thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::{ActionLog, ActionLogTelemetry};
   8use agent::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
   9use agent_client_protocol::{self as acp, PromptCapabilities};
  10use agent_servers::{AgentServer, AgentServerDelegate};
  11use agent_settings::{AgentProfileId, AgentSettings, CompletionMode};
  12use anyhow::{Result, anyhow};
  13use arrayvec::ArrayVec;
  14use audio::{Audio, Sound};
  15use buffer_diff::BufferDiff;
  16use client::zed_urls;
  17use cloud_llm_client::PlanV1;
  18use collections::{HashMap, HashSet};
  19use editor::scroll::Autoscroll;
  20use editor::{
  21    Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects, SizingBehavior,
  22};
  23use file_icons::FileIcons;
  24use fs::Fs;
  25use futures::FutureExt as _;
  26use gpui::{
  27    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, CursorStyle,
  28    EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length, ListOffset,
  29    ListState, PlatformDisplay, SharedString, StyleRefinement, Subscription, Task, TextStyle,
  30    TextStyleRefinement, UnderlineStyle, WeakEntity, Window, WindowHandle, div, ease_in_out,
  31    linear_color_stop, linear_gradient, list, point, pulsating_between,
  32};
  33use language::Buffer;
  34
  35use language_model::LanguageModelRegistry;
  36use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  37use project::{AgentServerStore, ExternalAgentServerName, Project, ProjectEntryId};
  38use prompt_store::{PromptId, PromptStore};
  39use rope::Point;
  40use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  41use std::cell::RefCell;
  42use std::path::Path;
  43use std::sync::Arc;
  44use std::time::Instant;
  45use std::{collections::BTreeMap, rc::Rc, time::Duration};
  46use terminal_view::terminal_panel::TerminalPanel;
  47use text::Anchor;
  48use theme::{AgentFontSize, ThemeSettings};
  49use ui::{
  50    Callout, CommonAnimationExt, ContextMenu, ContextMenuEntry, CopyButton, Disclosure, Divider,
  51    DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip,
  52    WithScrollbar, prelude::*, right_click_menu,
  53};
  54use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  55use workspace::{CollaboratorId, NewTerminal, Workspace};
  56use zed_actions::agent::{Chat, ToggleModelSelector};
  57use zed_actions::assistant::OpenRulesLibrary;
  58
  59use super::config_options::ConfigOptionsView;
  60use super::entry_view_state::EntryViewState;
  61use crate::acp::AcpModelSelectorPopover;
  62use crate::acp::ModeSelector;
  63use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  64use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  65use crate::agent_diff::AgentDiff;
  66use crate::profile_selector::{ProfileProvider, ProfileSelector};
  67
  68use crate::ui::{AgentNotification, AgentNotificationEvent, BurnModeTooltip, UsageCallout};
  69use crate::{
  70    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ClearMessageQueue, ContinueThread,
  71    ContinueWithBurnMode, CycleFavoriteModels, CycleModeSelector, ExpandMessageEditor, Follow,
  72    KeepAll, NewThread, OpenAgentDiff, OpenHistory, QueueMessage, RejectAll, RejectOnce,
  73    SendNextQueuedMessage, ToggleBurnMode, ToggleProfileSelector,
  74};
  75
  76#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  77enum ThreadFeedback {
  78    Positive,
  79    Negative,
  80}
  81
  82#[derive(Debug)]
  83enum ThreadError {
  84    PaymentRequired,
  85    ModelRequestLimitReached(cloud_llm_client::Plan),
  86    ToolUseLimitReached,
  87    Refusal,
  88    AuthenticationRequired(SharedString),
  89    Other(SharedString),
  90}
  91
  92impl ThreadError {
  93    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  94        if error.is::<language_model::PaymentRequiredError>() {
  95            Self::PaymentRequired
  96        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  97            Self::ToolUseLimitReached
  98        } else if let Some(error) =
  99            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
 100        {
 101            Self::ModelRequestLimitReached(error.plan)
 102        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 103            && acp_error.code == acp::ErrorCode::AuthRequired
 104        {
 105            Self::AuthenticationRequired(acp_error.message.clone().into())
 106        } else {
 107            let string = format!("{:#}", error);
 108            // TODO: we should have Gemini return better errors here.
 109            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 110                && string.contains("Could not load the default credentials")
 111                || string.contains("API key not valid")
 112                || string.contains("Request had invalid authentication credentials")
 113            {
 114                Self::AuthenticationRequired(string.into())
 115            } else {
 116                Self::Other(string.into())
 117            }
 118        }
 119    }
 120}
 121
 122impl ProfileProvider for Entity<agent::Thread> {
 123    fn profile_id(&self, cx: &App) -> AgentProfileId {
 124        self.read(cx).profile().clone()
 125    }
 126
 127    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 128        self.update(cx, |thread, cx| {
 129            // Apply the profile and let the thread swap to its default model.
 130            thread.set_profile(profile_id, cx);
 131        });
 132    }
 133
 134    fn profiles_supported(&self, cx: &App) -> bool {
 135        self.read(cx)
 136            .model()
 137            .is_some_and(|model| model.supports_tools())
 138    }
 139}
 140
 141#[derive(Default)]
 142struct ThreadFeedbackState {
 143    feedback: Option<ThreadFeedback>,
 144    comments_editor: Option<Entity<Editor>>,
 145}
 146
 147impl ThreadFeedbackState {
 148    pub fn submit(
 149        &mut self,
 150        thread: Entity<AcpThread>,
 151        feedback: ThreadFeedback,
 152        window: &mut Window,
 153        cx: &mut App,
 154    ) {
 155        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 156            return;
 157        };
 158
 159        if self.feedback == Some(feedback) {
 160            return;
 161        }
 162
 163        self.feedback = Some(feedback);
 164        match feedback {
 165            ThreadFeedback::Positive => {
 166                self.comments_editor = None;
 167            }
 168            ThreadFeedback::Negative => {
 169                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 170            }
 171        }
 172        let session_id = thread.read(cx).session_id().clone();
 173        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 174        let task = telemetry.thread_data(&session_id, cx);
 175        let rating = match feedback {
 176            ThreadFeedback::Positive => "positive",
 177            ThreadFeedback::Negative => "negative",
 178        };
 179        cx.background_spawn(async move {
 180            let thread = task.await?;
 181            telemetry::event!(
 182                "Agent Thread Rated",
 183                agent = agent_telemetry_id,
 184                session_id = session_id,
 185                rating = rating,
 186                thread = thread
 187            );
 188            anyhow::Ok(())
 189        })
 190        .detach_and_log_err(cx);
 191    }
 192
 193    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 194        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 195            return;
 196        };
 197
 198        let Some(comments) = self
 199            .comments_editor
 200            .as_ref()
 201            .map(|editor| editor.read(cx).text(cx))
 202            .filter(|text| !text.trim().is_empty())
 203        else {
 204            return;
 205        };
 206
 207        self.comments_editor.take();
 208
 209        let session_id = thread.read(cx).session_id().clone();
 210        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 211        let task = telemetry.thread_data(&session_id, cx);
 212        cx.background_spawn(async move {
 213            let thread = task.await?;
 214            telemetry::event!(
 215                "Agent Thread Feedback Comments",
 216                agent = agent_telemetry_id,
 217                session_id = session_id,
 218                comments = comments,
 219                thread = thread
 220            );
 221            anyhow::Ok(())
 222        })
 223        .detach_and_log_err(cx);
 224    }
 225
 226    pub fn clear(&mut self) {
 227        *self = Self::default()
 228    }
 229
 230    pub fn dismiss_comments(&mut self) {
 231        self.comments_editor.take();
 232    }
 233
 234    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 235        let buffer = cx.new(|cx| {
 236            let empty_string = String::new();
 237            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 238        });
 239
 240        let editor = cx.new(|cx| {
 241            let mut editor = Editor::new(
 242                editor::EditorMode::AutoHeight {
 243                    min_lines: 1,
 244                    max_lines: Some(4),
 245                },
 246                buffer,
 247                None,
 248                window,
 249                cx,
 250            );
 251            editor.set_placeholder_text(
 252                "What went wrong? Share your feedback so we can improve.",
 253                window,
 254                cx,
 255            );
 256            editor
 257        });
 258
 259        editor.read(cx).focus_handle(cx).focus(window, cx);
 260        editor
 261    }
 262}
 263
 264pub struct AcpThreadView {
 265    agent: Rc<dyn AgentServer>,
 266    agent_server_store: Entity<AgentServerStore>,
 267    workspace: WeakEntity<Workspace>,
 268    project: Entity<Project>,
 269    thread_state: ThreadState,
 270    login: Option<task::SpawnInTerminal>,
 271    history_store: Entity<HistoryStore>,
 272    hovered_recent_history_item: Option<usize>,
 273    entry_view_state: Entity<EntryViewState>,
 274    message_editor: Entity<MessageEditor>,
 275    focus_handle: FocusHandle,
 276    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 277    config_options_view: Option<Entity<ConfigOptionsView>>,
 278    profile_selector: Option<Entity<ProfileSelector>>,
 279    notifications: Vec<WindowHandle<AgentNotification>>,
 280    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 281    thread_retry_status: Option<RetryStatus>,
 282    thread_error: Option<ThreadError>,
 283    thread_error_markdown: Option<Entity<Markdown>>,
 284    token_limit_callout_dismissed: bool,
 285    thread_feedback: ThreadFeedbackState,
 286    list_state: ListState,
 287    auth_task: Option<Task<()>>,
 288    expanded_tool_calls: HashSet<acp::ToolCallId>,
 289    expanded_thinking_blocks: HashSet<(usize, usize)>,
 290    edits_expanded: bool,
 291    plan_expanded: bool,
 292    queue_expanded: bool,
 293    editor_expanded: bool,
 294    should_be_following: bool,
 295    editing_message: Option<usize>,
 296    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 297    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 298    is_loading_contents: bool,
 299    new_server_version_available: Option<SharedString>,
 300    resume_thread_metadata: Option<DbThreadMetadata>,
 301    _cancel_task: Option<Task<()>>,
 302    _subscriptions: [Subscription; 5],
 303    show_codex_windows_warning: bool,
 304    in_flight_prompt: Option<Vec<acp::ContentBlock>>,
 305    message_queue: Vec<QueuedMessage>,
 306    skip_queue_processing_count: usize,
 307    user_interrupted_generation: bool,
 308}
 309
 310struct QueuedMessage {
 311    content: Vec<acp::ContentBlock>,
 312    tracked_buffers: Vec<Entity<Buffer>>,
 313}
 314
 315enum ThreadState {
 316    Loading(Entity<LoadingView>),
 317    Ready {
 318        thread: Entity<AcpThread>,
 319        title_editor: Option<Entity<Editor>>,
 320        mode_selector: Option<Entity<ModeSelector>>,
 321        _subscriptions: Vec<Subscription>,
 322    },
 323    LoadError(LoadError),
 324    Unauthenticated {
 325        connection: Rc<dyn AgentConnection>,
 326        description: Option<Entity<Markdown>>,
 327        configuration_view: Option<AnyView>,
 328        pending_auth_method: Option<acp::AuthMethodId>,
 329        _subscription: Option<Subscription>,
 330    },
 331}
 332
 333struct LoadingView {
 334    title: SharedString,
 335    _load_task: Task<()>,
 336    _update_title_task: Task<anyhow::Result<()>>,
 337}
 338
 339impl AcpThreadView {
 340    pub fn new(
 341        agent: Rc<dyn AgentServer>,
 342        resume_thread: Option<DbThreadMetadata>,
 343        summarize_thread: Option<DbThreadMetadata>,
 344        workspace: WeakEntity<Workspace>,
 345        project: Entity<Project>,
 346        history_store: Entity<HistoryStore>,
 347        prompt_store: Option<Entity<PromptStore>>,
 348        track_load_event: bool,
 349        window: &mut Window,
 350        cx: &mut Context<Self>,
 351    ) -> Self {
 352        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 353        let available_commands = Rc::new(RefCell::new(vec![]));
 354
 355        let agent_server_store = project.read(cx).agent_server_store().clone();
 356        let agent_display_name = agent_server_store
 357            .read(cx)
 358            .agent_display_name(&ExternalAgentServerName(agent.name()))
 359            .unwrap_or_else(|| agent.name());
 360
 361        let placeholder = placeholder_text(agent_display_name.as_ref(), false);
 362
 363        let message_editor = cx.new(|cx| {
 364            let mut editor = MessageEditor::new(
 365                workspace.clone(),
 366                project.downgrade(),
 367                history_store.clone(),
 368                prompt_store.clone(),
 369                prompt_capabilities.clone(),
 370                available_commands.clone(),
 371                agent.name(),
 372                &placeholder,
 373                editor::EditorMode::AutoHeight {
 374                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 375                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 376                },
 377                window,
 378                cx,
 379            );
 380            if let Some(entry) = summarize_thread {
 381                editor.insert_thread_summary(entry, window, cx);
 382            }
 383            editor
 384        });
 385
 386        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 387
 388        let entry_view_state = cx.new(|_| {
 389            EntryViewState::new(
 390                workspace.clone(),
 391                project.downgrade(),
 392                history_store.clone(),
 393                prompt_store.clone(),
 394                prompt_capabilities.clone(),
 395                available_commands.clone(),
 396                agent.name(),
 397            )
 398        });
 399
 400        let subscriptions = [
 401            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 402            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 403            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 404            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 405            cx.subscribe_in(
 406                &agent_server_store,
 407                window,
 408                Self::handle_agent_servers_updated,
 409            ),
 410        ];
 411
 412        cx.on_release(|this, cx| {
 413            for window in this.notifications.drain(..) {
 414                window
 415                    .update(cx, |_, window, _| {
 416                        window.remove_window();
 417                    })
 418                    .ok();
 419            }
 420        })
 421        .detach();
 422
 423        let show_codex_windows_warning = cfg!(windows)
 424            && project.read(cx).is_local()
 425            && agent.clone().downcast::<agent_servers::Codex>().is_some();
 426
 427        Self {
 428            agent: agent.clone(),
 429            agent_server_store,
 430            workspace: workspace.clone(),
 431            project: project.clone(),
 432            entry_view_state,
 433            thread_state: Self::initial_state(
 434                agent.clone(),
 435                resume_thread.clone(),
 436                workspace.clone(),
 437                project.clone(),
 438                track_load_event,
 439                window,
 440                cx,
 441            ),
 442            login: None,
 443            message_editor,
 444            model_selector: None,
 445            config_options_view: None,
 446            profile_selector: None,
 447            notifications: Vec::new(),
 448            notification_subscriptions: HashMap::default(),
 449            list_state: list_state,
 450            thread_retry_status: None,
 451            thread_error: None,
 452            thread_error_markdown: None,
 453            token_limit_callout_dismissed: false,
 454            thread_feedback: Default::default(),
 455            auth_task: None,
 456            expanded_tool_calls: HashSet::default(),
 457            expanded_thinking_blocks: HashSet::default(),
 458            editing_message: None,
 459            edits_expanded: false,
 460            plan_expanded: false,
 461            queue_expanded: true,
 462            prompt_capabilities,
 463            available_commands,
 464            editor_expanded: false,
 465            should_be_following: false,
 466            history_store,
 467            hovered_recent_history_item: None,
 468            is_loading_contents: false,
 469            _subscriptions: subscriptions,
 470            _cancel_task: None,
 471            focus_handle: cx.focus_handle(),
 472            new_server_version_available: None,
 473            resume_thread_metadata: resume_thread,
 474            show_codex_windows_warning,
 475            in_flight_prompt: None,
 476            message_queue: Vec::new(),
 477            skip_queue_processing_count: 0,
 478            user_interrupted_generation: false,
 479        }
 480    }
 481
 482    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 483        self.thread_state = Self::initial_state(
 484            self.agent.clone(),
 485            self.resume_thread_metadata.clone(),
 486            self.workspace.clone(),
 487            self.project.clone(),
 488            true,
 489            window,
 490            cx,
 491        );
 492        self.available_commands.replace(vec![]);
 493        self.new_server_version_available.take();
 494        self.message_queue.clear();
 495        cx.notify();
 496    }
 497
 498    fn initial_state(
 499        agent: Rc<dyn AgentServer>,
 500        resume_thread: Option<DbThreadMetadata>,
 501        workspace: WeakEntity<Workspace>,
 502        project: Entity<Project>,
 503        track_load_event: bool,
 504        window: &mut Window,
 505        cx: &mut Context<Self>,
 506    ) -> ThreadState {
 507        if project.read(cx).is_via_collab()
 508            && agent.clone().downcast::<NativeAgentServer>().is_none()
 509        {
 510            return ThreadState::LoadError(LoadError::Other(
 511                "External agents are not yet supported in shared projects.".into(),
 512            ));
 513        }
 514        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 515        // Pick the first non-single-file worktree for the root directory if there are any,
 516        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 517        worktrees.sort_by(|l, r| {
 518            l.read(cx)
 519                .is_single_file()
 520                .cmp(&r.read(cx).is_single_file())
 521        });
 522        let root_dir = worktrees
 523            .into_iter()
 524            .filter_map(|worktree| {
 525                if worktree.read(cx).is_single_file() {
 526                    Some(worktree.read(cx).abs_path().parent()?.into())
 527                } else {
 528                    Some(worktree.read(cx).abs_path())
 529                }
 530            })
 531            .next();
 532        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 533        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 534        let delegate = AgentServerDelegate::new(
 535            project.read(cx).agent_server_store().clone(),
 536            project.clone(),
 537            Some(status_tx),
 538            Some(new_version_available_tx),
 539        );
 540
 541        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 542        let load_task = cx.spawn_in(window, async move |this, cx| {
 543            let connection = match connect_task.await {
 544                Ok((connection, login)) => {
 545                    this.update(cx, |this, _| this.login = login).ok();
 546                    connection
 547                }
 548                Err(err) => {
 549                    this.update_in(cx, |this, window, cx| {
 550                        if err.downcast_ref::<LoadError>().is_some() {
 551                            this.handle_load_error(err, window, cx);
 552                        } else {
 553                            this.handle_thread_error(err, cx);
 554                        }
 555                        cx.notify();
 556                    })
 557                    .log_err();
 558                    return;
 559                }
 560            };
 561
 562            if track_load_event {
 563                telemetry::event!("Agent Thread Started", agent = connection.telemetry_id());
 564            }
 565
 566            let result = if let Some(native_agent) = connection
 567                .clone()
 568                .downcast::<agent::NativeAgentConnection>()
 569                && let Some(resume) = resume_thread.clone()
 570            {
 571                cx.update(|_, cx| {
 572                    native_agent
 573                        .0
 574                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 575                })
 576                .log_err()
 577            } else {
 578                let root_dir = root_dir.unwrap_or(paths::home_dir().as_path().into());
 579                cx.update(|_, cx| {
 580                    connection
 581                        .clone()
 582                        .new_thread(project.clone(), &root_dir, cx)
 583                })
 584                .log_err()
 585            };
 586
 587            let Some(result) = result else {
 588                return;
 589            };
 590
 591            let result = match result.await {
 592                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 593                    Ok(err) => {
 594                        cx.update(|window, cx| {
 595                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 596                        })
 597                        .log_err();
 598                        return;
 599                    }
 600                    Err(err) => Err(err),
 601                },
 602                Ok(thread) => Ok(thread),
 603            };
 604
 605            this.update_in(cx, |this, window, cx| {
 606                match result {
 607                    Ok(thread) => {
 608                        let action_log = thread.read(cx).action_log().clone();
 609
 610                        this.prompt_capabilities
 611                            .replace(thread.read(cx).prompt_capabilities());
 612
 613                        let count = thread.read(cx).entries().len();
 614                        this.entry_view_state.update(cx, |view_state, cx| {
 615                            for ix in 0..count {
 616                                view_state.sync_entry(ix, &thread, window, cx);
 617                            }
 618                            this.list_state.splice_focusable(
 619                                0..0,
 620                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 621                            );
 622                        });
 623
 624                        if let Some(resume) = resume_thread {
 625                            this.history_store.update(cx, |history, cx| {
 626                                history.push_recently_opened_entry(
 627                                    HistoryEntryId::AcpThread(resume.id),
 628                                    cx,
 629                                );
 630                            });
 631                        }
 632
 633                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 634
 635                        // Check for config options first
 636                        // Config options take precedence over legacy mode/model selectors
 637                        // (feature flag gating happens at the data layer)
 638                        let config_options_provider = thread
 639                            .read(cx)
 640                            .connection()
 641                            .session_config_options(thread.read(cx).session_id(), cx);
 642
 643                        let mode_selector;
 644                        if let Some(config_options) = config_options_provider {
 645                            // Use config options - don't create mode_selector or model_selector
 646                            let agent_server = this.agent.clone();
 647                            let fs = this.project.read(cx).fs().clone();
 648                            this.config_options_view = Some(cx.new(|cx| {
 649                                ConfigOptionsView::new(config_options, agent_server, fs, window, cx)
 650                            }));
 651                            this.model_selector = None;
 652                            mode_selector = None;
 653                        } else {
 654                            // Fall back to legacy mode/model selectors
 655                            this.config_options_view = None;
 656                            this.model_selector = thread
 657                                .read(cx)
 658                                .connection()
 659                                .model_selector(thread.read(cx).session_id())
 660                                .map(|selector| {
 661                                    let agent_server = this.agent.clone();
 662                                    let fs = this.project.read(cx).fs().clone();
 663                                    cx.new(|cx| {
 664                                        AcpModelSelectorPopover::new(
 665                                            selector,
 666                                            agent_server,
 667                                            fs,
 668                                            PopoverMenuHandle::default(),
 669                                            this.focus_handle(cx),
 670                                            window,
 671                                            cx,
 672                                        )
 673                                    })
 674                                });
 675
 676                            mode_selector = thread
 677                                .read(cx)
 678                                .connection()
 679                                .session_modes(thread.read(cx).session_id(), cx)
 680                                .map(|session_modes| {
 681                                    let fs = this.project.read(cx).fs().clone();
 682                                    let focus_handle = this.focus_handle(cx);
 683                                    cx.new(|_cx| {
 684                                        ModeSelector::new(
 685                                            session_modes,
 686                                            this.agent.clone(),
 687                                            fs,
 688                                            focus_handle,
 689                                        )
 690                                    })
 691                                });
 692                        }
 693
 694                        let mut subscriptions = vec![
 695                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 696                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 697                        ];
 698
 699                        let title_editor =
 700                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 701                                let editor = cx.new(|cx| {
 702                                    let mut editor = Editor::single_line(window, cx);
 703                                    editor.set_text(thread.read(cx).title(), window, cx);
 704                                    editor
 705                                });
 706                                subscriptions.push(cx.subscribe_in(
 707                                    &editor,
 708                                    window,
 709                                    Self::handle_title_editor_event,
 710                                ));
 711                                Some(editor)
 712                            } else {
 713                                None
 714                            };
 715
 716                        this.thread_state = ThreadState::Ready {
 717                            thread,
 718                            title_editor,
 719                            mode_selector,
 720                            _subscriptions: subscriptions,
 721                        };
 722
 723                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 724                            cx.new(|cx| {
 725                                ProfileSelector::new(
 726                                    <dyn Fs>::global(cx),
 727                                    Arc::new(thread.clone()),
 728                                    this.focus_handle(cx),
 729                                    cx,
 730                                )
 731                            })
 732                        });
 733
 734                        if this.focus_handle(cx).is_focused(window) {
 735                            this.message_editor.focus_handle(cx).focus(window, cx);
 736                        }
 737
 738                        cx.notify();
 739                    }
 740                    Err(err) => {
 741                        this.handle_load_error(err, window, cx);
 742                    }
 743                };
 744            })
 745            .log_err();
 746        });
 747
 748        cx.spawn(async move |this, cx| {
 749            while let Ok(new_version) = new_version_available_rx.recv().await {
 750                if let Some(new_version) = new_version {
 751                    this.update(cx, |this, cx| {
 752                        this.new_server_version_available = Some(new_version.into());
 753                        cx.notify();
 754                    })
 755                    .ok();
 756                }
 757            }
 758        })
 759        .detach();
 760
 761        let loading_view = cx.new(|cx| {
 762            let update_title_task = cx.spawn(async move |this, cx| {
 763                loop {
 764                    let status = status_rx.recv().await?;
 765                    this.update(cx, |this: &mut LoadingView, cx| {
 766                        this.title = status;
 767                        cx.notify();
 768                    })?;
 769                }
 770            });
 771
 772            LoadingView {
 773                title: "Loading…".into(),
 774                _load_task: load_task,
 775                _update_title_task: update_title_task,
 776            }
 777        });
 778
 779        ThreadState::Loading(loading_view)
 780    }
 781
 782    fn handle_auth_required(
 783        this: WeakEntity<Self>,
 784        err: AuthRequired,
 785        agent: Rc<dyn AgentServer>,
 786        connection: Rc<dyn AgentConnection>,
 787        window: &mut Window,
 788        cx: &mut App,
 789    ) {
 790        let agent_name = agent.name();
 791        let (configuration_view, subscription) = if let Some(provider_id) = &err.provider_id {
 792            let registry = LanguageModelRegistry::global(cx);
 793
 794            let sub = window.subscribe(&registry, cx, {
 795                let provider_id = provider_id.clone();
 796                let this = this.clone();
 797                move |_, ev, window, cx| {
 798                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 799                        && &provider_id == updated_provider_id
 800                        && LanguageModelRegistry::global(cx)
 801                            .read(cx)
 802                            .provider(&provider_id)
 803                            .map_or(false, |provider| provider.is_authenticated(cx))
 804                    {
 805                        this.update(cx, |this, cx| {
 806                            this.reset(window, cx);
 807                        })
 808                        .ok();
 809                    }
 810                }
 811            });
 812
 813            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 814                provider.configuration_view(
 815                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 816                    window,
 817                    cx,
 818                )
 819            });
 820
 821            (view, Some(sub))
 822        } else {
 823            (None, None)
 824        };
 825
 826        this.update(cx, |this, cx| {
 827            this.thread_state = ThreadState::Unauthenticated {
 828                pending_auth_method: None,
 829                connection,
 830                configuration_view,
 831                description: err
 832                    .description
 833                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 834                _subscription: subscription,
 835            };
 836            if this.message_editor.focus_handle(cx).is_focused(window) {
 837                this.focus_handle.focus(window, cx)
 838            }
 839            cx.notify();
 840        })
 841        .ok();
 842    }
 843
 844    fn handle_load_error(
 845        &mut self,
 846        err: anyhow::Error,
 847        window: &mut Window,
 848        cx: &mut Context<Self>,
 849    ) {
 850        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 851            self.thread_state = ThreadState::LoadError(load_err.clone());
 852        } else {
 853            self.thread_state =
 854                ThreadState::LoadError(LoadError::Other(format!("{:#}", err).into()))
 855        }
 856        if self.message_editor.focus_handle(cx).is_focused(window) {
 857            self.focus_handle.focus(window, cx)
 858        }
 859        cx.notify();
 860    }
 861
 862    fn handle_agent_servers_updated(
 863        &mut self,
 864        _agent_server_store: &Entity<project::AgentServerStore>,
 865        _event: &project::AgentServersUpdated,
 866        window: &mut Window,
 867        cx: &mut Context<Self>,
 868    ) {
 869        // If we're in a LoadError state OR have a thread_error set (which can happen
 870        // when agent.connect() fails during loading), retry loading the thread.
 871        // This handles the case where a thread is restored before authentication completes.
 872        let should_retry =
 873            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 874
 875        if should_retry {
 876            self.thread_error = None;
 877            self.thread_error_markdown = None;
 878            self.reset(window, cx);
 879        }
 880    }
 881
 882    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 883        &self.workspace
 884    }
 885
 886    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 887        match &self.thread_state {
 888            ThreadState::Ready { thread, .. } => Some(thread),
 889            ThreadState::Unauthenticated { .. }
 890            | ThreadState::Loading { .. }
 891            | ThreadState::LoadError { .. } => None,
 892        }
 893    }
 894
 895    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 896        match &self.thread_state {
 897            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 898            ThreadState::Unauthenticated { .. }
 899            | ThreadState::Loading { .. }
 900            | ThreadState::LoadError { .. } => None,
 901        }
 902    }
 903
 904    pub fn title(&self, cx: &App) -> SharedString {
 905        match &self.thread_state {
 906            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 907            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 908            ThreadState::LoadError(error) => match error {
 909                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 910                LoadError::FailedToInstall(_) => {
 911                    format!("Failed to Install {}", self.agent.name()).into()
 912                }
 913                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 914                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 915            },
 916        }
 917    }
 918
 919    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 920        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 921            title_editor.clone()
 922        } else {
 923            None
 924        }
 925    }
 926
 927    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 928        self.thread_error.take();
 929        self.thread_retry_status.take();
 930
 931        if let Some(thread) = self.thread() {
 932            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 933        }
 934    }
 935
 936    pub fn expand_message_editor(
 937        &mut self,
 938        _: &ExpandMessageEditor,
 939        _window: &mut Window,
 940        cx: &mut Context<Self>,
 941    ) {
 942        self.set_editor_is_expanded(!self.editor_expanded, cx);
 943        cx.stop_propagation();
 944        cx.notify();
 945    }
 946
 947    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 948        self.editor_expanded = is_expanded;
 949        self.message_editor.update(cx, |editor, cx| {
 950            if is_expanded {
 951                editor.set_mode(
 952                    EditorMode::Full {
 953                        scale_ui_elements_with_buffer_font_size: false,
 954                        show_active_line_background: false,
 955                        sizing_behavior: SizingBehavior::ExcludeOverscrollMargin,
 956                    },
 957                    cx,
 958                )
 959            } else {
 960                let agent_settings = AgentSettings::get_global(cx);
 961                editor.set_mode(
 962                    EditorMode::AutoHeight {
 963                        min_lines: agent_settings.message_editor_min_lines,
 964                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 965                    },
 966                    cx,
 967                )
 968            }
 969        });
 970        cx.notify();
 971    }
 972
 973    pub fn handle_title_editor_event(
 974        &mut self,
 975        title_editor: &Entity<Editor>,
 976        event: &EditorEvent,
 977        window: &mut Window,
 978        cx: &mut Context<Self>,
 979    ) {
 980        let Some(thread) = self.thread() else { return };
 981
 982        match event {
 983            EditorEvent::BufferEdited => {
 984                let new_title = title_editor.read(cx).text(cx);
 985                thread.update(cx, |thread, cx| {
 986                    thread
 987                        .set_title(new_title.into(), cx)
 988                        .detach_and_log_err(cx);
 989                })
 990            }
 991            EditorEvent::Blurred => {
 992                if title_editor.read(cx).text(cx).is_empty() {
 993                    title_editor.update(cx, |editor, cx| {
 994                        editor.set_text("New Thread", window, cx);
 995                    });
 996                }
 997            }
 998            _ => {}
 999        }
1000    }
1001
1002    pub fn handle_message_editor_event(
1003        &mut self,
1004        _: &Entity<MessageEditor>,
1005        event: &MessageEditorEvent,
1006        window: &mut Window,
1007        cx: &mut Context<Self>,
1008    ) {
1009        match event {
1010            MessageEditorEvent::Send => self.send(window, cx),
1011            MessageEditorEvent::Queue => self.queue_message(window, cx),
1012            MessageEditorEvent::Cancel => self.cancel_generation(cx),
1013            MessageEditorEvent::Focus => {
1014                self.cancel_editing(&Default::default(), window, cx);
1015            }
1016            MessageEditorEvent::LostFocus => {}
1017        }
1018    }
1019
1020    pub fn handle_entry_view_event(
1021        &mut self,
1022        _: &Entity<EntryViewState>,
1023        event: &EntryViewEvent,
1024        window: &mut Window,
1025        cx: &mut Context<Self>,
1026    ) {
1027        match &event.view_event {
1028            ViewEvent::NewDiff(tool_call_id) => {
1029                if AgentSettings::get_global(cx).expand_edit_card {
1030                    self.expanded_tool_calls.insert(tool_call_id.clone());
1031                }
1032            }
1033            ViewEvent::NewTerminal(tool_call_id) => {
1034                if AgentSettings::get_global(cx).expand_terminal_card {
1035                    self.expanded_tool_calls.insert(tool_call_id.clone());
1036                }
1037            }
1038            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
1039                self.expanded_tool_calls.remove(tool_call_id);
1040            }
1041            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
1042                if let Some(thread) = self.thread()
1043                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
1044                        thread.read(cx).entries().get(event.entry_index)
1045                    && user_message.id.is_some()
1046                {
1047                    self.editing_message = Some(event.entry_index);
1048                    cx.notify();
1049                }
1050            }
1051            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
1052                if let Some(thread) = self.thread()
1053                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
1054                        thread.read(cx).entries().get(event.entry_index)
1055                    && user_message.id.is_some()
1056                {
1057                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
1058                        self.editing_message = None;
1059                        cx.notify();
1060                    }
1061                }
1062            }
1063            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Queue) => {}
1064            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
1065                self.regenerate(event.entry_index, editor.clone(), window, cx);
1066            }
1067            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
1068                self.cancel_editing(&Default::default(), window, cx);
1069            }
1070        }
1071    }
1072
1073    pub fn is_loading(&self) -> bool {
1074        matches!(self.thread_state, ThreadState::Loading { .. })
1075    }
1076
1077    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1078        self.thread_error.take();
1079        let Some(thread) = self.thread() else {
1080            return;
1081        };
1082        if !thread.read(cx).can_resume(cx) {
1083            return;
1084        }
1085
1086        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1087        cx.spawn(async move |this, cx| {
1088            let result = task.await;
1089
1090            this.update(cx, |this, cx| {
1091                if let Err(err) = result {
1092                    this.handle_thread_error(err, cx);
1093                }
1094            })
1095        })
1096        .detach();
1097    }
1098
1099    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1100        let Some(thread) = self.thread() else { return };
1101
1102        if self.is_loading_contents {
1103            return;
1104        }
1105
1106        self.history_store.update(cx, |history, cx| {
1107            history.push_recently_opened_entry(
1108                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1109                cx,
1110            );
1111        });
1112
1113        if thread.read(cx).status() != ThreadStatus::Idle {
1114            self.stop_current_and_send_new_message(window, cx);
1115            return;
1116        }
1117
1118        let text = self.message_editor.read(cx).text(cx);
1119        let text = text.trim();
1120        if text == "/login" || text == "/logout" {
1121            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1122                return;
1123            };
1124
1125            let connection = thread.read(cx).connection().clone();
1126            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1127            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1128            let logout_supported = text == "/logout"
1129                && self
1130                    .available_commands
1131                    .borrow()
1132                    .iter()
1133                    .any(|command| command.name == "logout");
1134            if can_login && !logout_supported {
1135                self.message_editor
1136                    .update(cx, |editor, cx| editor.clear(window, cx));
1137
1138                let this = cx.weak_entity();
1139                let agent = self.agent.clone();
1140                window.defer(cx, |window, cx| {
1141                    Self::handle_auth_required(
1142                        this,
1143                        AuthRequired::new(),
1144                        agent,
1145                        connection,
1146                        window,
1147                        cx,
1148                    );
1149                });
1150                cx.notify();
1151                return;
1152            }
1153        }
1154
1155        self.send_impl(self.message_editor.clone(), window, cx)
1156    }
1157
1158    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1159        let Some(thread) = self.thread().cloned() else {
1160            return;
1161        };
1162
1163        self.skip_queue_processing_count = 0;
1164        self.user_interrupted_generation = true;
1165
1166        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1167
1168        cx.spawn_in(window, async move |this, cx| {
1169            cancelled.await;
1170
1171            this.update_in(cx, |this, window, cx| {
1172                this.send_impl(this.message_editor.clone(), window, cx);
1173            })
1174            .ok();
1175        })
1176        .detach();
1177    }
1178
1179    fn send_impl(
1180        &mut self,
1181        message_editor: Entity<MessageEditor>,
1182        window: &mut Window,
1183        cx: &mut Context<Self>,
1184    ) {
1185        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1186            // Include full contents when using minimal profile
1187            let thread = thread.read(cx);
1188            AgentSettings::get_global(cx)
1189                .profiles
1190                .get(thread.profile())
1191                .is_some_and(|profile| profile.tools.is_empty())
1192        });
1193
1194        let contents = message_editor.update(cx, |message_editor, cx| {
1195            message_editor.contents(full_mention_content, cx)
1196        });
1197
1198        self.thread_error.take();
1199        self.editing_message.take();
1200        self.thread_feedback.clear();
1201
1202        let Some(thread) = self.thread() else {
1203            return;
1204        };
1205        let session_id = thread.read(cx).session_id().clone();
1206        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
1207        let thread = thread.downgrade();
1208        if self.should_be_following {
1209            self.workspace
1210                .update(cx, |workspace, cx| {
1211                    workspace.follow(CollaboratorId::Agent, window, cx);
1212                })
1213                .ok();
1214        }
1215
1216        self.is_loading_contents = true;
1217        let model_id = self.current_model_id(cx);
1218        let mode_id = self.current_mode_id(cx);
1219        let guard = cx.new(|_| ());
1220        cx.observe_release(&guard, |this, _guard, cx| {
1221            this.is_loading_contents = false;
1222            cx.notify();
1223        })
1224        .detach();
1225
1226        let task = cx.spawn_in(window, async move |this, cx| {
1227            let (contents, tracked_buffers) = contents.await?;
1228
1229            if contents.is_empty() {
1230                return Ok(());
1231            }
1232
1233            this.update_in(cx, |this, window, cx| {
1234                this.in_flight_prompt = Some(contents.clone());
1235                this.set_editor_is_expanded(false, cx);
1236                this.scroll_to_bottom(cx);
1237                this.message_editor.update(cx, |message_editor, cx| {
1238                    message_editor.clear(window, cx);
1239                });
1240            })?;
1241            let turn_start_time = Instant::now();
1242            let send = thread.update(cx, |thread, cx| {
1243                thread.action_log().update(cx, |action_log, cx| {
1244                    for buffer in tracked_buffers {
1245                        action_log.buffer_read(buffer, cx)
1246                    }
1247                });
1248                drop(guard);
1249
1250                telemetry::event!(
1251                    "Agent Message Sent",
1252                    agent = agent_telemetry_id,
1253                    session = session_id,
1254                    model = model_id,
1255                    mode = mode_id
1256                );
1257
1258                thread.send(contents, cx)
1259            })?;
1260            let res = send.await;
1261            let turn_time_ms = turn_start_time.elapsed().as_millis();
1262            let status = if res.is_ok() {
1263                this.update(cx, |this, _| this.in_flight_prompt.take()).ok();
1264                "success"
1265            } else {
1266                "failure"
1267            };
1268            telemetry::event!(
1269                "Agent Turn Completed",
1270                agent = agent_telemetry_id,
1271                session = session_id,
1272                model = model_id,
1273                mode = mode_id,
1274                status,
1275                turn_time_ms,
1276            );
1277            res
1278        });
1279
1280        cx.spawn(async move |this, cx| {
1281            if let Err(err) = task.await {
1282                this.update(cx, |this, cx| {
1283                    this.handle_thread_error(err, cx);
1284                })
1285                .ok();
1286            } else {
1287                this.update(cx, |this, cx| {
1288                    this.should_be_following = this
1289                        .workspace
1290                        .update(cx, |workspace, _| {
1291                            workspace.is_being_followed(CollaboratorId::Agent)
1292                        })
1293                        .unwrap_or_default();
1294                })
1295                .ok();
1296            }
1297        })
1298        .detach();
1299    }
1300
1301    fn queue_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1302        let is_idle = self
1303            .thread()
1304            .map(|t| t.read(cx).status() == acp_thread::ThreadStatus::Idle)
1305            .unwrap_or(true);
1306
1307        if is_idle {
1308            self.send_impl(self.message_editor.clone(), window, cx);
1309            return;
1310        }
1311
1312        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1313            let thread = thread.read(cx);
1314            AgentSettings::get_global(cx)
1315                .profiles
1316                .get(thread.profile())
1317                .is_some_and(|profile| profile.tools.is_empty())
1318        });
1319
1320        let contents = self.message_editor.update(cx, |message_editor, cx| {
1321            message_editor.contents(full_mention_content, cx)
1322        });
1323
1324        let message_editor = self.message_editor.clone();
1325
1326        cx.spawn_in(window, async move |this, cx| {
1327            let (content, tracked_buffers) = contents.await?;
1328
1329            if content.is_empty() {
1330                return Ok::<(), anyhow::Error>(());
1331            }
1332
1333            this.update_in(cx, |this, window, cx| {
1334                this.message_queue.push(QueuedMessage {
1335                    content,
1336                    tracked_buffers,
1337                });
1338                message_editor.update(cx, |message_editor, cx| {
1339                    message_editor.clear(window, cx);
1340                });
1341                cx.notify();
1342            })?;
1343            Ok(())
1344        })
1345        .detach_and_log_err(cx);
1346    }
1347
1348    fn send_queued_message_at_index(
1349        &mut self,
1350        index: usize,
1351        is_send_now: bool,
1352        window: &mut Window,
1353        cx: &mut Context<Self>,
1354    ) {
1355        if index >= self.message_queue.len() {
1356            return;
1357        }
1358
1359        let queued = self.message_queue.remove(index);
1360        let content = queued.content;
1361        let tracked_buffers = queued.tracked_buffers;
1362
1363        let Some(thread) = self.thread().cloned() else {
1364            return;
1365        };
1366
1367        // Only increment skip count for "Send Now" operations (out-of-order sends)
1368        // Normal auto-processing from the Stopped handler doesn't need to skip
1369        if is_send_now {
1370            let is_generating = thread.read(cx).status() == acp_thread::ThreadStatus::Generating;
1371            self.skip_queue_processing_count += if is_generating { 2 } else { 1 };
1372        }
1373
1374        // Ensure we don't end up with multiple concurrent generations
1375        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1376
1377        let session_id = thread.read(cx).session_id().clone();
1378        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
1379        let thread = thread.downgrade();
1380
1381        let should_be_following = self.should_be_following;
1382        let workspace = self.workspace.clone();
1383
1384        self.is_loading_contents = true;
1385        let model_id = self.current_model_id(cx);
1386        let mode_id = self.current_mode_id(cx);
1387        let guard = cx.new(|_| ());
1388
1389        cx.observe_release(&guard, |this, _guard, cx| {
1390            this.is_loading_contents = false;
1391            cx.notify();
1392        })
1393        .detach();
1394
1395        let task = cx.spawn_in(window, async move |this, cx| {
1396            cancelled.await;
1397            this.update_in(cx, |this, window, cx| {
1398                if should_be_following {
1399                    workspace
1400                        .update(cx, |workspace, cx| {
1401                            workspace.follow(CollaboratorId::Agent, window, cx);
1402                        })
1403                        .ok();
1404                }
1405
1406                this.in_flight_prompt = Some(content.clone());
1407                this.set_editor_is_expanded(false, cx);
1408                this.scroll_to_bottom(cx);
1409            })?;
1410
1411            let turn_start_time = Instant::now();
1412            let send = thread.update(cx, |thread, cx| {
1413                thread.action_log().update(cx, |action_log, cx| {
1414                    for buffer in tracked_buffers {
1415                        action_log.buffer_read(buffer, cx)
1416                    }
1417                });
1418                drop(guard);
1419
1420                telemetry::event!(
1421                    "Agent Message Sent",
1422                    agent = agent_telemetry_id,
1423                    session = session_id,
1424                    model = model_id,
1425                    mode = mode_id
1426                );
1427
1428                thread.send(content, cx)
1429            })?;
1430
1431            let res = send.await;
1432            let turn_time_ms = turn_start_time.elapsed().as_millis();
1433            let status = if res.is_ok() {
1434                this.update(cx, |this, _| this.in_flight_prompt.take()).ok();
1435                "success"
1436            } else {
1437                "failure"
1438            };
1439
1440            telemetry::event!(
1441                "Agent Turn Completed",
1442                agent = agent_telemetry_id,
1443                session = session_id,
1444                model = model_id,
1445                mode = mode_id,
1446                status,
1447                turn_time_ms,
1448            );
1449            res
1450        });
1451
1452        cx.spawn(async move |this, cx| {
1453            if let Err(err) = task.await {
1454                this.update(cx, |this, cx| {
1455                    this.handle_thread_error(err, cx);
1456                })
1457                .ok();
1458            } else {
1459                this.update(cx, |this, cx| {
1460                    this.should_be_following = this
1461                        .workspace
1462                        .update(cx, |workspace, _| {
1463                            workspace.is_being_followed(CollaboratorId::Agent)
1464                        })
1465                        .unwrap_or_default();
1466                })
1467                .ok();
1468            }
1469        })
1470        .detach();
1471    }
1472
1473    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1474        let Some(thread) = self.thread().cloned() else {
1475            return;
1476        };
1477
1478        if let Some(index) = self.editing_message.take()
1479            && let Some(editor) = self
1480                .entry_view_state
1481                .read(cx)
1482                .entry(index)
1483                .and_then(|e| e.message_editor())
1484                .cloned()
1485        {
1486            editor.update(cx, |editor, cx| {
1487                if let Some(user_message) = thread
1488                    .read(cx)
1489                    .entries()
1490                    .get(index)
1491                    .and_then(|e| e.user_message())
1492                {
1493                    editor.set_message(user_message.chunks.clone(), window, cx);
1494                }
1495            })
1496        };
1497        self.focus_handle(cx).focus(window, cx);
1498        cx.notify();
1499    }
1500
1501    fn regenerate(
1502        &mut self,
1503        entry_ix: usize,
1504        message_editor: Entity<MessageEditor>,
1505        window: &mut Window,
1506        cx: &mut Context<Self>,
1507    ) {
1508        let Some(thread) = self.thread().cloned() else {
1509            return;
1510        };
1511        if self.is_loading_contents {
1512            return;
1513        }
1514
1515        let Some(user_message_id) = thread.update(cx, |thread, _| {
1516            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1517        }) else {
1518            return;
1519        };
1520
1521        cx.spawn_in(window, async move |this, cx| {
1522            // Check if there are any edits from prompts before the one being regenerated.
1523            //
1524            // If there are, we keep/accept them since we're not regenerating the prompt that created them.
1525            //
1526            // If editing the prompt that generated the edits, they are auto-rejected
1527            // through the `rewind` function in the `acp_thread`.
1528            let has_earlier_edits = thread.read_with(cx, |thread, _| {
1529                thread
1530                    .entries()
1531                    .iter()
1532                    .take(entry_ix)
1533                    .any(|entry| entry.diffs().next().is_some())
1534            })?;
1535
1536            if has_earlier_edits {
1537                thread.update(cx, |thread, cx| {
1538                    thread.action_log().update(cx, |action_log, cx| {
1539                        action_log.keep_all_edits(None, cx);
1540                    });
1541                })?;
1542            }
1543
1544            thread
1545                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1546                .await?;
1547            this.update_in(cx, |this, window, cx| {
1548                this.send_impl(message_editor, window, cx);
1549                this.focus_handle(cx).focus(window, cx);
1550            })?;
1551            anyhow::Ok(())
1552        })
1553        .detach_and_log_err(cx);
1554    }
1555
1556    fn open_edited_buffer(
1557        &mut self,
1558        buffer: &Entity<Buffer>,
1559        window: &mut Window,
1560        cx: &mut Context<Self>,
1561    ) {
1562        let Some(thread) = self.thread() else {
1563            return;
1564        };
1565
1566        let Some(diff) =
1567            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1568        else {
1569            return;
1570        };
1571
1572        diff.update(cx, |diff, cx| {
1573            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1574        })
1575    }
1576
1577    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1578        let Some(thread) = self.as_native_thread(cx) else {
1579            return;
1580        };
1581        let project_context = thread.read(cx).project_context().read(cx);
1582
1583        let project_entry_ids = project_context
1584            .worktrees
1585            .iter()
1586            .flat_map(|worktree| worktree.rules_file.as_ref())
1587            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1588            .collect::<Vec<_>>();
1589
1590        self.workspace
1591            .update(cx, move |workspace, cx| {
1592                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1593                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1594                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1595                let project = workspace.project().read(cx);
1596                let project_paths = project_entry_ids
1597                    .into_iter()
1598                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1599                    .collect::<Vec<_>>();
1600                for project_path in project_paths {
1601                    workspace
1602                        .open_path(project_path, None, true, window, cx)
1603                        .detach_and_log_err(cx);
1604                }
1605            })
1606            .ok();
1607    }
1608
1609    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1610        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1611        cx.notify();
1612    }
1613
1614    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1615        self.thread_error = None;
1616        self.thread_error_markdown = None;
1617        self.token_limit_callout_dismissed = true;
1618        cx.notify();
1619    }
1620
1621    fn handle_thread_event(
1622        &mut self,
1623        thread: &Entity<AcpThread>,
1624        event: &AcpThreadEvent,
1625        window: &mut Window,
1626        cx: &mut Context<Self>,
1627    ) {
1628        match event {
1629            AcpThreadEvent::NewEntry => {
1630                let len = thread.read(cx).entries().len();
1631                let index = len - 1;
1632                self.entry_view_state.update(cx, |view_state, cx| {
1633                    view_state.sync_entry(index, thread, window, cx);
1634                    self.list_state.splice_focusable(
1635                        index..index,
1636                        [view_state
1637                            .entry(index)
1638                            .and_then(|entry| entry.focus_handle(cx))],
1639                    );
1640                });
1641            }
1642            AcpThreadEvent::EntryUpdated(index) => {
1643                self.entry_view_state.update(cx, |view_state, cx| {
1644                    view_state.sync_entry(*index, thread, window, cx)
1645                });
1646            }
1647            AcpThreadEvent::EntriesRemoved(range) => {
1648                self.entry_view_state
1649                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1650                self.list_state.splice(range.clone(), 0);
1651            }
1652            AcpThreadEvent::ToolAuthorizationRequired => {
1653                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1654            }
1655            AcpThreadEvent::Retry(retry) => {
1656                self.thread_retry_status = Some(retry.clone());
1657            }
1658            AcpThreadEvent::Stopped => {
1659                self.thread_retry_status.take();
1660                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1661                self.notify_with_sound(
1662                    if used_tools {
1663                        "Finished running tools"
1664                    } else {
1665                        "New message"
1666                    },
1667                    IconName::ZedAssistant,
1668                    window,
1669                    cx,
1670                );
1671
1672                if self.skip_queue_processing_count > 0 {
1673                    self.skip_queue_processing_count -= 1;
1674                } else if self.user_interrupted_generation {
1675                    // Manual interruption: don't auto-process queue.
1676                    // Reset the flag so future completions can process normally.
1677                    self.user_interrupted_generation = false;
1678                } else if !self.message_queue.is_empty() {
1679                    self.send_queued_message_at_index(0, false, window, cx);
1680                }
1681            }
1682            AcpThreadEvent::Refusal => {
1683                self.thread_retry_status.take();
1684                self.thread_error = Some(ThreadError::Refusal);
1685                let model_or_agent_name = self.current_model_name(cx);
1686                let notification_message =
1687                    format!("{} refused to respond to this request", model_or_agent_name);
1688                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1689            }
1690            AcpThreadEvent::Error => {
1691                self.thread_retry_status.take();
1692                self.notify_with_sound(
1693                    "Agent stopped due to an error",
1694                    IconName::Warning,
1695                    window,
1696                    cx,
1697                );
1698            }
1699            AcpThreadEvent::LoadError(error) => {
1700                self.thread_retry_status.take();
1701                self.thread_state = ThreadState::LoadError(error.clone());
1702                if self.message_editor.focus_handle(cx).is_focused(window) {
1703                    self.focus_handle.focus(window, cx)
1704                }
1705            }
1706            AcpThreadEvent::TitleUpdated => {
1707                let title = thread.read(cx).title();
1708                if let Some(title_editor) = self.title_editor() {
1709                    title_editor.update(cx, |editor, cx| {
1710                        if editor.text(cx) != title {
1711                            editor.set_text(title, window, cx);
1712                        }
1713                    });
1714                }
1715            }
1716            AcpThreadEvent::PromptCapabilitiesUpdated => {
1717                self.prompt_capabilities
1718                    .replace(thread.read(cx).prompt_capabilities());
1719            }
1720            AcpThreadEvent::TokenUsageUpdated => {}
1721            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1722                let mut available_commands = available_commands.clone();
1723
1724                if thread
1725                    .read(cx)
1726                    .connection()
1727                    .auth_methods()
1728                    .iter()
1729                    .any(|method| method.id.0.as_ref() == "claude-login")
1730                {
1731                    available_commands.push(acp::AvailableCommand::new("login", "Authenticate"));
1732                    available_commands.push(acp::AvailableCommand::new("logout", "Authenticate"));
1733                }
1734
1735                let has_commands = !available_commands.is_empty();
1736                self.available_commands.replace(available_commands);
1737
1738                let agent_display_name = self
1739                    .agent_server_store
1740                    .read(cx)
1741                    .agent_display_name(&ExternalAgentServerName(self.agent.name()))
1742                    .unwrap_or_else(|| self.agent.name());
1743
1744                let new_placeholder = placeholder_text(agent_display_name.as_ref(), has_commands);
1745
1746                self.message_editor.update(cx, |editor, cx| {
1747                    editor.set_placeholder_text(&new_placeholder, window, cx);
1748                });
1749            }
1750            AcpThreadEvent::ModeUpdated(_mode) => {
1751                // The connection keeps track of the mode
1752                cx.notify();
1753            }
1754            AcpThreadEvent::ConfigOptionsUpdated(_) => {
1755                // The watch task in ConfigOptionsView handles rebuilding selectors
1756                cx.notify();
1757            }
1758        }
1759        cx.notify();
1760    }
1761
1762    fn authenticate(
1763        &mut self,
1764        method: acp::AuthMethodId,
1765        window: &mut Window,
1766        cx: &mut Context<Self>,
1767    ) {
1768        let ThreadState::Unauthenticated {
1769            connection,
1770            pending_auth_method,
1771            configuration_view,
1772            ..
1773        } = &mut self.thread_state
1774        else {
1775            return;
1776        };
1777        let agent_telemetry_id = connection.telemetry_id();
1778
1779        // Check for the experimental "terminal-auth" _meta field
1780        let auth_method = connection.auth_methods().iter().find(|m| m.id == method);
1781
1782        if let Some(auth_method) = auth_method {
1783            if let Some(meta) = &auth_method.meta {
1784                if let Some(terminal_auth) = meta.get("terminal-auth") {
1785                    // Extract terminal auth details from meta
1786                    if let (Some(command), Some(label)) = (
1787                        terminal_auth.get("command").and_then(|v| v.as_str()),
1788                        terminal_auth.get("label").and_then(|v| v.as_str()),
1789                    ) {
1790                        let args = terminal_auth
1791                            .get("args")
1792                            .and_then(|v| v.as_array())
1793                            .map(|arr| {
1794                                arr.iter()
1795                                    .filter_map(|v| v.as_str().map(String::from))
1796                                    .collect()
1797                            })
1798                            .unwrap_or_default();
1799
1800                        let env = terminal_auth
1801                            .get("env")
1802                            .and_then(|v| v.as_object())
1803                            .map(|obj| {
1804                                obj.iter()
1805                                    .filter_map(|(k, v)| {
1806                                        v.as_str().map(|val| (k.clone(), val.to_string()))
1807                                    })
1808                                    .collect::<HashMap<String, String>>()
1809                            })
1810                            .unwrap_or_default();
1811
1812                        // Run SpawnInTerminal in the same dir as the ACP server
1813                        let cwd = connection
1814                            .clone()
1815                            .downcast::<agent_servers::AcpConnection>()
1816                            .map(|acp_conn| acp_conn.root_dir().to_path_buf());
1817
1818                        // Build SpawnInTerminal from _meta
1819                        let login = task::SpawnInTerminal {
1820                            id: task::TaskId(format!("external-agent-{}-login", label)),
1821                            full_label: label.to_string(),
1822                            label: label.to_string(),
1823                            command: Some(command.to_string()),
1824                            args,
1825                            command_label: label.to_string(),
1826                            cwd,
1827                            env,
1828                            use_new_terminal: true,
1829                            allow_concurrent_runs: true,
1830                            hide: task::HideStrategy::Always,
1831                            ..Default::default()
1832                        };
1833
1834                        self.thread_error.take();
1835                        configuration_view.take();
1836                        pending_auth_method.replace(method.clone());
1837
1838                        if let Some(workspace) = self.workspace.upgrade() {
1839                            let project = self.project.clone();
1840                            let authenticate = Self::spawn_external_agent_login(
1841                                login, workspace, project, false, true, window, cx,
1842                            );
1843                            cx.notify();
1844                            self.auth_task = Some(cx.spawn_in(window, {
1845                                async move |this, cx| {
1846                                    let result = authenticate.await;
1847
1848                                    match &result {
1849                                        Ok(_) => telemetry::event!(
1850                                            "Authenticate Agent Succeeded",
1851                                            agent = agent_telemetry_id
1852                                        ),
1853                                        Err(_) => {
1854                                            telemetry::event!(
1855                                                "Authenticate Agent Failed",
1856                                                agent = agent_telemetry_id,
1857                                            )
1858                                        }
1859                                    }
1860
1861                                    this.update_in(cx, |this, window, cx| {
1862                                        if let Err(err) = result {
1863                                            if let ThreadState::Unauthenticated {
1864                                                pending_auth_method,
1865                                                ..
1866                                            } = &mut this.thread_state
1867                                            {
1868                                                pending_auth_method.take();
1869                                            }
1870                                            this.handle_thread_error(err, cx);
1871                                        } else {
1872                                            this.reset(window, cx);
1873                                        }
1874                                        this.auth_task.take()
1875                                    })
1876                                    .ok();
1877                                }
1878                            }));
1879                        }
1880                        return;
1881                    }
1882                }
1883            }
1884        }
1885
1886        if method.0.as_ref() == "gemini-api-key" {
1887            let registry = LanguageModelRegistry::global(cx);
1888            let provider = registry
1889                .read(cx)
1890                .provider(&language_model::GOOGLE_PROVIDER_ID)
1891                .unwrap();
1892            if !provider.is_authenticated(cx) {
1893                let this = cx.weak_entity();
1894                let agent = self.agent.clone();
1895                let connection = connection.clone();
1896                window.defer(cx, |window, cx| {
1897                    Self::handle_auth_required(
1898                        this,
1899                        AuthRequired {
1900                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1901                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1902                        },
1903                        agent,
1904                        connection,
1905                        window,
1906                        cx,
1907                    );
1908                });
1909                return;
1910            }
1911        } else if method.0.as_ref() == "vertex-ai"
1912            && std::env::var("GOOGLE_API_KEY").is_err()
1913            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1914                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1915        {
1916            let this = cx.weak_entity();
1917            let agent = self.agent.clone();
1918            let connection = connection.clone();
1919
1920            window.defer(cx, |window, cx| {
1921                    Self::handle_auth_required(
1922                        this,
1923                        AuthRequired {
1924                            description: Some(
1925                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1926                                    .to_owned(),
1927                            ),
1928                            provider_id: None,
1929                        },
1930                        agent,
1931                        connection,
1932                        window,
1933                        cx,
1934                    )
1935                });
1936            return;
1937        }
1938
1939        self.thread_error.take();
1940        configuration_view.take();
1941        pending_auth_method.replace(method.clone());
1942        let authenticate = if (method.0.as_ref() == "claude-login"
1943            || method.0.as_ref() == "spawn-gemini-cli")
1944            && let Some(login) = self.login.clone()
1945        {
1946            if let Some(workspace) = self.workspace.upgrade() {
1947                let project = self.project.clone();
1948                Self::spawn_external_agent_login(
1949                    login, workspace, project, false, false, window, cx,
1950                )
1951            } else {
1952                Task::ready(Ok(()))
1953            }
1954        } else {
1955            connection.authenticate(method, cx)
1956        };
1957        cx.notify();
1958        self.auth_task = Some(cx.spawn_in(window, {
1959            async move |this, cx| {
1960                let result = authenticate.await;
1961
1962                match &result {
1963                    Ok(_) => telemetry::event!(
1964                        "Authenticate Agent Succeeded",
1965                        agent = agent_telemetry_id
1966                    ),
1967                    Err(_) => {
1968                        telemetry::event!("Authenticate Agent Failed", agent = agent_telemetry_id,)
1969                    }
1970                }
1971
1972                this.update_in(cx, |this, window, cx| {
1973                    if let Err(err) = result {
1974                        if let ThreadState::Unauthenticated {
1975                            pending_auth_method,
1976                            ..
1977                        } = &mut this.thread_state
1978                        {
1979                            pending_auth_method.take();
1980                        }
1981                        this.handle_thread_error(err, cx);
1982                    } else {
1983                        this.reset(window, cx);
1984                    }
1985                    this.auth_task.take()
1986                })
1987                .ok();
1988            }
1989        }));
1990    }
1991
1992    fn spawn_external_agent_login(
1993        login: task::SpawnInTerminal,
1994        workspace: Entity<Workspace>,
1995        project: Entity<Project>,
1996        previous_attempt: bool,
1997        check_exit_code: bool,
1998        window: &mut Window,
1999        cx: &mut App,
2000    ) -> Task<Result<()>> {
2001        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
2002            return Task::ready(Ok(()));
2003        };
2004
2005        window.spawn(cx, async move |cx| {
2006            let mut task = login.clone();
2007            if let Some(cmd) = &task.command {
2008                // Have "node" command use Zed's managed Node runtime by default
2009                if cmd == "node" {
2010                    let resolved_node_runtime = project
2011                        .update(cx, |project, cx| {
2012                            let agent_server_store = project.agent_server_store().clone();
2013                            agent_server_store.update(cx, |store, cx| {
2014                                store.node_runtime().map(|node_runtime| {
2015                                    cx.background_spawn(async move {
2016                                        node_runtime.binary_path().await
2017                                    })
2018                                })
2019                            })
2020                        });
2021
2022                    if let Ok(Some(resolve_task)) = resolved_node_runtime {
2023                        if let Ok(node_path) = resolve_task.await {
2024                            task.command = Some(node_path.to_string_lossy().to_string());
2025                        }
2026                    }
2027                }
2028            }
2029            task.shell = task::Shell::WithArguments {
2030                program: task.command.take().expect("login command should be set"),
2031                args: std::mem::take(&mut task.args),
2032                title_override: None
2033            };
2034            task.full_label = task.label.clone();
2035            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
2036            task.command_label = task.label.clone();
2037            task.use_new_terminal = true;
2038            task.allow_concurrent_runs = true;
2039            task.hide = task::HideStrategy::Always;
2040
2041            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
2042                terminal_panel.spawn_task(&task, window, cx)
2043            })?;
2044
2045            let terminal = terminal.await?;
2046
2047            if check_exit_code {
2048                // For extension-based auth, wait for the process to exit and check exit code
2049                let exit_status = terminal
2050                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
2051                    .await;
2052
2053                match exit_status {
2054                    Some(status) if status.success() => {
2055                        Ok(())
2056                    }
2057                    Some(status) => {
2058                        Err(anyhow!("Login command failed with exit code: {:?}", status.code()))
2059                    }
2060                    None => {
2061                        Err(anyhow!("Login command terminated without exit status"))
2062                    }
2063                }
2064            } else {
2065                // For hardcoded agents (claude-login, gemini-cli): look for specific output
2066                let mut exit_status = terminal
2067                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
2068                    .fuse();
2069
2070                let logged_in = cx
2071                    .spawn({
2072                        let terminal = terminal.clone();
2073                        async move |cx| {
2074                            loop {
2075                                cx.background_executor().timer(Duration::from_secs(1)).await;
2076                                let content =
2077                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
2078                                if content.contains("Login successful")
2079                                    || content.contains("Type your message")
2080                                {
2081                                    return anyhow::Ok(());
2082                                }
2083                            }
2084                        }
2085                    })
2086                    .fuse();
2087                futures::pin_mut!(logged_in);
2088                futures::select_biased! {
2089                    result = logged_in => {
2090                        if let Err(e) = result {
2091                            log::error!("{e}");
2092                            return Err(anyhow!("exited before logging in"));
2093                        }
2094                    }
2095                    _ = exit_status => {
2096                        if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
2097                            return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, project.clone(), true, false, window, cx))?.await
2098                        }
2099                        return Err(anyhow!("exited before logging in"));
2100                    }
2101                }
2102                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
2103                Ok(())
2104            }
2105        })
2106    }
2107
2108    pub fn has_user_submitted_prompt(&self, cx: &App) -> bool {
2109        self.thread().is_some_and(|thread| {
2110            thread.read(cx).entries().iter().any(|entry| {
2111                matches!(
2112                    entry,
2113                    AgentThreadEntry::UserMessage(user_message) if user_message.id.is_some()
2114                )
2115            })
2116        })
2117    }
2118
2119    fn authorize_tool_call(
2120        &mut self,
2121        tool_call_id: acp::ToolCallId,
2122        option_id: acp::PermissionOptionId,
2123        option_kind: acp::PermissionOptionKind,
2124        window: &mut Window,
2125        cx: &mut Context<Self>,
2126    ) {
2127        let Some(thread) = self.thread() else {
2128            return;
2129        };
2130        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
2131
2132        telemetry::event!(
2133            "Agent Tool Call Authorized",
2134            agent = agent_telemetry_id,
2135            session = thread.read(cx).session_id(),
2136            option = option_kind
2137        );
2138
2139        thread.update(cx, |thread, cx| {
2140            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
2141        });
2142        if self.should_be_following {
2143            self.workspace
2144                .update(cx, |workspace, cx| {
2145                    workspace.follow(CollaboratorId::Agent, window, cx);
2146                })
2147                .ok();
2148        }
2149        cx.notify();
2150    }
2151
2152    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
2153        let Some(thread) = self.thread() else {
2154            return;
2155        };
2156
2157        thread
2158            .update(cx, |thread, cx| {
2159                thread.restore_checkpoint(message_id.clone(), cx)
2160            })
2161            .detach_and_log_err(cx);
2162    }
2163
2164    fn render_entry(
2165        &self,
2166        entry_ix: usize,
2167        total_entries: usize,
2168        entry: &AgentThreadEntry,
2169        window: &mut Window,
2170        cx: &Context<Self>,
2171    ) -> AnyElement {
2172        let is_indented = entry.is_indented();
2173        let is_first_indented = is_indented
2174            && self.thread().is_some_and(|thread| {
2175                thread
2176                    .read(cx)
2177                    .entries()
2178                    .get(entry_ix.saturating_sub(1))
2179                    .is_none_or(|entry| !entry.is_indented())
2180            });
2181
2182        let primary = match &entry {
2183            AgentThreadEntry::UserMessage(message) => {
2184                let Some(editor) = self
2185                    .entry_view_state
2186                    .read(cx)
2187                    .entry(entry_ix)
2188                    .and_then(|entry| entry.message_editor())
2189                    .cloned()
2190                else {
2191                    return Empty.into_any_element();
2192                };
2193
2194                let editing = self.editing_message == Some(entry_ix);
2195                let editor_focus = editor.focus_handle(cx).is_focused(window);
2196                let focus_border = cx.theme().colors().border_focused;
2197
2198                let rules_item = if entry_ix == 0 {
2199                    self.render_rules_item(cx)
2200                } else {
2201                    None
2202                };
2203
2204                let has_checkpoint_button = message
2205                    .checkpoint
2206                    .as_ref()
2207                    .is_some_and(|checkpoint| checkpoint.show);
2208
2209                let agent_name = self.agent.name();
2210
2211                v_flex()
2212                    .id(("user_message", entry_ix))
2213                    .map(|this| {
2214                        if is_first_indented {
2215                            this.pt_0p5()
2216                        } else if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
2217                            this.pt(rems_from_px(18.))
2218                        } else if rules_item.is_some() {
2219                            this.pt_3()
2220                        } else {
2221                            this.pt_2()
2222                        }
2223                    })
2224                    .pb_3()
2225                    .px_2()
2226                    .gap_1p5()
2227                    .w_full()
2228                    .children(rules_item)
2229                    .children(message.id.clone().and_then(|message_id| {
2230                        message.checkpoint.as_ref()?.show.then(|| {
2231                            h_flex()
2232                                .px_3()
2233                                .gap_2()
2234                                .child(Divider::horizontal())
2235                                .child(
2236                                    Button::new("restore-checkpoint", "Restore Checkpoint")
2237                                        .icon(IconName::Undo)
2238                                        .icon_size(IconSize::XSmall)
2239                                        .icon_position(IconPosition::Start)
2240                                        .label_size(LabelSize::XSmall)
2241                                        .icon_color(Color::Muted)
2242                                        .color(Color::Muted)
2243                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
2244                                        .on_click(cx.listener(move |this, _, _window, cx| {
2245                                            this.restore_checkpoint(&message_id, cx);
2246                                        }))
2247                                )
2248                                .child(Divider::horizontal())
2249                        })
2250                    }))
2251                    .child(
2252                        div()
2253                            .relative()
2254                            .child(
2255                                div()
2256                                    .py_3()
2257                                    .px_2()
2258                                    .rounded_md()
2259                                    .shadow_md()
2260                                    .bg(cx.theme().colors().editor_background)
2261                                    .border_1()
2262                                    .when(is_indented, |this| {
2263                                        this.py_2().px_2().shadow_sm()
2264                                    })
2265                                    .when(editing && !editor_focus, |this| this.border_dashed())
2266                                    .border_color(cx.theme().colors().border)
2267                                    .map(|this|{
2268                                        if editing && editor_focus {
2269                                            this.border_color(focus_border)
2270                                        } else if message.id.is_some() {
2271                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
2272                                        } else {
2273                                            this
2274                                        }
2275                                    })
2276                                    .text_xs()
2277                                    .child(editor.clone().into_any_element())
2278                            )
2279                            .when(editor_focus, |this| {
2280                                let base_container = h_flex()
2281                                    .absolute()
2282                                    .top_neg_3p5()
2283                                    .right_3()
2284                                    .gap_1()
2285                                    .rounded_sm()
2286                                    .border_1()
2287                                    .border_color(cx.theme().colors().border)
2288                                    .bg(cx.theme().colors().editor_background)
2289                                    .overflow_hidden();
2290
2291                                if message.id.is_some() {
2292                                    this.child(
2293                                        base_container
2294                                            .child(
2295                                                IconButton::new("cancel", IconName::Close)
2296                                                    .disabled(self.is_loading_contents)
2297                                                    .icon_color(Color::Error)
2298                                                    .icon_size(IconSize::XSmall)
2299                                                    .on_click(cx.listener(Self::cancel_editing))
2300                                            )
2301                                            .child(
2302                                                if self.is_loading_contents {
2303                                                    div()
2304                                                        .id("loading-edited-message-content")
2305                                                        .tooltip(Tooltip::text("Loading Added Context…"))
2306                                                        .child(loading_contents_spinner(IconSize::XSmall))
2307                                                        .into_any_element()
2308                                                } else {
2309                                                    IconButton::new("regenerate", IconName::Return)
2310                                                        .icon_color(Color::Muted)
2311                                                        .icon_size(IconSize::XSmall)
2312                                                        .tooltip(Tooltip::text(
2313                                                            "Editing will restart the thread from this point."
2314                                                        ))
2315                                                        .on_click(cx.listener({
2316                                                            let editor = editor.clone();
2317                                                            move |this, _, window, cx| {
2318                                                                this.regenerate(
2319                                                                    entry_ix, editor.clone(), window, cx,
2320                                                                );
2321                                                            }
2322                                                        })).into_any_element()
2323                                                }
2324                                            )
2325                                    )
2326                                } else {
2327                                    this.child(
2328                                        base_container
2329                                            .border_dashed()
2330                                            .child(
2331                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
2332                                                    .icon_size(IconSize::Small)
2333                                                    .icon_color(Color::Muted)
2334                                                    .style(ButtonStyle::Transparent)
2335                                                    .tooltip(Tooltip::element({
2336                                                        move |_, _| {
2337                                                            v_flex()
2338                                                                .gap_1()
2339                                                                .child(Label::new("Unavailable Editing")).child(
2340                                                                    div().max_w_64().child(
2341                                                                        Label::new(format!(
2342                                                                            "Editing previous messages is not available for {} yet.",
2343                                                                            agent_name.clone()
2344                                                                        ))
2345                                                                        .size(LabelSize::Small)
2346                                                                        .color(Color::Muted),
2347                                                                    ),
2348                                                                )
2349                                                                .into_any_element()
2350                                                        }
2351                                                    }))
2352                                            )
2353                                    )
2354                                }
2355                            }),
2356                    )
2357                    .into_any()
2358            }
2359            AgentThreadEntry::AssistantMessage(AssistantMessage {
2360                chunks,
2361                indented: _,
2362            }) => {
2363                let mut is_blank = true;
2364                let is_last = entry_ix + 1 == total_entries;
2365
2366                let style = default_markdown_style(false, false, window, cx);
2367                let message_body = v_flex()
2368                    .w_full()
2369                    .gap_3()
2370                    .children(chunks.iter().enumerate().filter_map(
2371                        |(chunk_ix, chunk)| match chunk {
2372                            AssistantMessageChunk::Message { block } => {
2373                                block.markdown().and_then(|md| {
2374                                    let this_is_blank = md.read(cx).source().trim().is_empty();
2375                                    is_blank = is_blank && this_is_blank;
2376                                    if this_is_blank {
2377                                        return None;
2378                                    }
2379
2380                                    Some(
2381                                        self.render_markdown(md.clone(), style.clone())
2382                                            .into_any_element(),
2383                                    )
2384                                })
2385                            }
2386                            AssistantMessageChunk::Thought { block } => {
2387                                block.markdown().and_then(|md| {
2388                                    let this_is_blank = md.read(cx).source().trim().is_empty();
2389                                    is_blank = is_blank && this_is_blank;
2390                                    if this_is_blank {
2391                                        return None;
2392                                    }
2393                                    Some(
2394                                        self.render_thinking_block(
2395                                            entry_ix,
2396                                            chunk_ix,
2397                                            md.clone(),
2398                                            window,
2399                                            cx,
2400                                        )
2401                                        .into_any_element(),
2402                                    )
2403                                })
2404                            }
2405                        },
2406                    ))
2407                    .into_any();
2408
2409                if is_blank {
2410                    Empty.into_any()
2411                } else {
2412                    v_flex()
2413                        .px_5()
2414                        .py_1p5()
2415                        .when(is_last, |this| this.pb_4())
2416                        .w_full()
2417                        .text_ui(cx)
2418                        .child(self.render_message_context_menu(entry_ix, message_body, cx))
2419                        .into_any()
2420                }
2421            }
2422            AgentThreadEntry::ToolCall(tool_call) => {
2423                let has_terminals = tool_call.terminals().next().is_some();
2424
2425                div()
2426                    .w_full()
2427                    .map(|this| {
2428                        if has_terminals {
2429                            this.children(tool_call.terminals().map(|terminal| {
2430                                self.render_terminal_tool_call(
2431                                    entry_ix, terminal, tool_call, window, cx,
2432                                )
2433                            }))
2434                        } else {
2435                            this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
2436                        }
2437                    })
2438                    .into_any()
2439            }
2440        };
2441
2442        let primary = if is_indented {
2443            let line_top = if is_first_indented {
2444                rems_from_px(-12.0)
2445            } else {
2446                rems_from_px(0.0)
2447            };
2448
2449            div()
2450                .relative()
2451                .w_full()
2452                .pl_5()
2453                .bg(cx.theme().colors().panel_background.opacity(0.2))
2454                .child(
2455                    div()
2456                        .absolute()
2457                        .left(rems_from_px(18.0))
2458                        .top(line_top)
2459                        .bottom_0()
2460                        .w_px()
2461                        .bg(cx.theme().colors().border.opacity(0.6)),
2462                )
2463                .child(primary)
2464                .into_any_element()
2465        } else {
2466            primary
2467        };
2468
2469        let needs_confirmation = if let AgentThreadEntry::ToolCall(tool_call) = entry {
2470            matches!(
2471                tool_call.status,
2472                ToolCallStatus::WaitingForConfirmation { .. }
2473            )
2474        } else {
2475            false
2476        };
2477
2478        let Some(thread) = self.thread() else {
2479            return primary;
2480        };
2481
2482        let primary = if entry_ix == total_entries - 1 {
2483            v_flex()
2484                .w_full()
2485                .child(primary)
2486                .map(|this| {
2487                    if needs_confirmation {
2488                        this.child(self.render_generating(true))
2489                    } else {
2490                        this.child(self.render_thread_controls(&thread, cx))
2491                    }
2492                })
2493                .when_some(
2494                    self.thread_feedback.comments_editor.clone(),
2495                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
2496                )
2497                .into_any_element()
2498        } else {
2499            primary
2500        };
2501
2502        if let Some(editing_index) = self.editing_message.as_ref()
2503            && *editing_index < entry_ix
2504        {
2505            let backdrop = div()
2506                .id(("backdrop", entry_ix))
2507                .size_full()
2508                .absolute()
2509                .inset_0()
2510                .bg(cx.theme().colors().panel_background)
2511                .opacity(0.8)
2512                .block_mouse_except_scroll()
2513                .on_click(cx.listener(Self::cancel_editing));
2514
2515            div()
2516                .relative()
2517                .child(primary)
2518                .child(backdrop)
2519                .into_any_element()
2520        } else {
2521            primary
2522        }
2523    }
2524
2525    fn render_message_context_menu(
2526        &self,
2527        entry_ix: usize,
2528        message_body: AnyElement,
2529        cx: &Context<Self>,
2530    ) -> AnyElement {
2531        let entity = cx.entity();
2532        let workspace = self.workspace.clone();
2533
2534        right_click_menu(format!("agent_context_menu-{}", entry_ix))
2535            .trigger(move |_, _, _| message_body)
2536            .menu(move |window, cx| {
2537                let focus = window.focused(cx);
2538                let entity = entity.clone();
2539                let workspace = workspace.clone();
2540
2541                ContextMenu::build(window, cx, move |menu, _, cx| {
2542                    let is_at_top = entity.read(cx).list_state.logical_scroll_top().item_ix == 0;
2543
2544                    let scroll_item = if is_at_top {
2545                        ContextMenuEntry::new("Scroll to Bottom").handler({
2546                            let entity = entity.clone();
2547                            move |_, cx| {
2548                                entity.update(cx, |this, cx| {
2549                                    this.scroll_to_bottom(cx);
2550                                });
2551                            }
2552                        })
2553                    } else {
2554                        ContextMenuEntry::new("Scroll to Top").handler({
2555                            let entity = entity.clone();
2556                            move |_, cx| {
2557                                entity.update(cx, |this, cx| {
2558                                    this.scroll_to_top(cx);
2559                                });
2560                            }
2561                        })
2562                    };
2563
2564                    let open_thread_as_markdown = ContextMenuEntry::new("Open Thread as Markdown")
2565                        .handler({
2566                            let entity = entity.clone();
2567                            let workspace = workspace.clone();
2568                            move |window, cx| {
2569                                if let Some(workspace) = workspace.upgrade() {
2570                                    entity
2571                                        .update(cx, |this, cx| {
2572                                            this.open_thread_as_markdown(workspace, window, cx)
2573                                        })
2574                                        .detach_and_log_err(cx);
2575                                }
2576                            }
2577                        });
2578
2579                    menu.when_some(focus, |menu, focus| menu.context(focus))
2580                        .action("Copy", Box::new(markdown::CopyAsMarkdown))
2581                        .separator()
2582                        .item(scroll_item)
2583                        .item(open_thread_as_markdown)
2584                })
2585            })
2586            .into_any_element()
2587    }
2588
2589    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2590        cx.theme()
2591            .colors()
2592            .element_background
2593            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2594    }
2595
2596    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2597        cx.theme().colors().border.opacity(0.8)
2598    }
2599
2600    fn tool_name_font_size(&self) -> Rems {
2601        rems_from_px(13.)
2602    }
2603
2604    fn render_thinking_block(
2605        &self,
2606        entry_ix: usize,
2607        chunk_ix: usize,
2608        chunk: Entity<Markdown>,
2609        window: &Window,
2610        cx: &Context<Self>,
2611    ) -> AnyElement {
2612        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2613        let card_header_id = SharedString::from("inner-card-header");
2614
2615        let key = (entry_ix, chunk_ix);
2616
2617        let is_open = self.expanded_thinking_blocks.contains(&key);
2618
2619        let scroll_handle = self
2620            .entry_view_state
2621            .read(cx)
2622            .entry(entry_ix)
2623            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2624
2625        let thinking_content = {
2626            div()
2627                .id(("thinking-content", chunk_ix))
2628                .when_some(scroll_handle, |this, scroll_handle| {
2629                    this.track_scroll(&scroll_handle)
2630                })
2631                .text_ui_sm(cx)
2632                .overflow_hidden()
2633                .child(
2634                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2635                )
2636        };
2637
2638        v_flex()
2639            .gap_1()
2640            .child(
2641                h_flex()
2642                    .id(header_id)
2643                    .group(&card_header_id)
2644                    .relative()
2645                    .w_full()
2646                    .pr_1()
2647                    .justify_between()
2648                    .child(
2649                        h_flex()
2650                            .h(window.line_height() - px(2.))
2651                            .gap_1p5()
2652                            .overflow_hidden()
2653                            .child(
2654                                Icon::new(IconName::ToolThink)
2655                                    .size(IconSize::Small)
2656                                    .color(Color::Muted),
2657                            )
2658                            .child(
2659                                div()
2660                                    .text_size(self.tool_name_font_size())
2661                                    .text_color(cx.theme().colors().text_muted)
2662                                    .child("Thinking"),
2663                            ),
2664                    )
2665                    .child(
2666                        Disclosure::new(("expand", entry_ix), is_open)
2667                            .opened_icon(IconName::ChevronUp)
2668                            .closed_icon(IconName::ChevronDown)
2669                            .visible_on_hover(&card_header_id)
2670                            .on_click(cx.listener({
2671                                move |this, _event, _window, cx| {
2672                                    if is_open {
2673                                        this.expanded_thinking_blocks.remove(&key);
2674                                    } else {
2675                                        this.expanded_thinking_blocks.insert(key);
2676                                    }
2677                                    cx.notify();
2678                                }
2679                            })),
2680                    )
2681                    .on_click(cx.listener({
2682                        move |this, _event, _window, cx| {
2683                            if is_open {
2684                                this.expanded_thinking_blocks.remove(&key);
2685                            } else {
2686                                this.expanded_thinking_blocks.insert(key);
2687                            }
2688                            cx.notify();
2689                        }
2690                    })),
2691            )
2692            .when(is_open, |this| {
2693                this.child(
2694                    div()
2695                        .ml_1p5()
2696                        .pl_3p5()
2697                        .border_l_1()
2698                        .border_color(self.tool_card_border_color(cx))
2699                        .child(thinking_content),
2700                )
2701            })
2702            .into_any_element()
2703    }
2704
2705    fn render_tool_call(
2706        &self,
2707        entry_ix: usize,
2708        tool_call: &ToolCall,
2709        window: &Window,
2710        cx: &Context<Self>,
2711    ) -> Div {
2712        let has_location = tool_call.locations.len() == 1;
2713        let card_header_id = SharedString::from("inner-tool-call-header");
2714
2715        let failed_or_canceled = match &tool_call.status {
2716            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2717            _ => false,
2718        };
2719
2720        let needs_confirmation = matches!(
2721            tool_call.status,
2722            ToolCallStatus::WaitingForConfirmation { .. }
2723        );
2724        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2725        let is_edit =
2726            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2727
2728        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2729
2730        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2731
2732        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2733        let input_output_header = |label: SharedString| {
2734            Label::new(label)
2735                .size(LabelSize::XSmall)
2736                .color(Color::Muted)
2737                .buffer_font(cx)
2738        };
2739
2740        let tool_output_display =
2741            if is_open {
2742                match &tool_call.status {
2743                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2744                        .w_full()
2745                        .children(tool_call.content.iter().enumerate().map(
2746                            |(content_ix, content)| {
2747                                div()
2748                                    .child(self.render_tool_call_content(
2749                                        entry_ix,
2750                                        content,
2751                                        content_ix,
2752                                        tool_call,
2753                                        use_card_layout,
2754                                        window,
2755                                        cx,
2756                                    ))
2757                                    .into_any_element()
2758                            },
2759                        ))
2760                        .child(self.render_permission_buttons(
2761                            tool_call.kind,
2762                            options,
2763                            entry_ix,
2764                            tool_call.id.clone(),
2765                            cx,
2766                        ))
2767                        .into_any(),
2768                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2769                        if is_edit
2770                            && tool_call.content.is_empty()
2771                            && self.as_native_connection(cx).is_some() =>
2772                    {
2773                        self.render_diff_loading(cx).into_any()
2774                    }
2775                    ToolCallStatus::Pending
2776                    | ToolCallStatus::InProgress
2777                    | ToolCallStatus::Completed
2778                    | ToolCallStatus::Failed
2779                    | ToolCallStatus::Canceled => v_flex()
2780                        .when(!is_edit && !is_terminal_tool, |this| {
2781                            this.mt_1p5().w_full().child(
2782                                v_flex()
2783                                    .ml(rems(0.4))
2784                                    .px_3p5()
2785                                    .pb_1()
2786                                    .gap_1()
2787                                    .border_l_1()
2788                                    .border_color(self.tool_card_border_color(cx))
2789                                    .child(input_output_header("Raw Input:".into()))
2790                                    .children(tool_call.raw_input_markdown.clone().map(|input| {
2791                                        div().id(("tool-call-raw-input-markdown", entry_ix)).child(
2792                                            self.render_markdown(
2793                                                input,
2794                                                default_markdown_style(false, false, window, cx),
2795                                            ),
2796                                        )
2797                                    }))
2798                                    .child(input_output_header("Output:".into())),
2799                            )
2800                        })
2801                        .children(tool_call.content.iter().enumerate().map(
2802                            |(content_ix, content)| {
2803                                div().id(("tool-call-output", entry_ix)).child(
2804                                    self.render_tool_call_content(
2805                                        entry_ix,
2806                                        content,
2807                                        content_ix,
2808                                        tool_call,
2809                                        use_card_layout,
2810                                        window,
2811                                        cx,
2812                                    ),
2813                                )
2814                            },
2815                        ))
2816                        .into_any(),
2817                    ToolCallStatus::Rejected => Empty.into_any(),
2818                }
2819                .into()
2820            } else {
2821                None
2822            };
2823
2824        v_flex()
2825            .map(|this| {
2826                if use_card_layout {
2827                    this.my_1p5()
2828                        .rounded_md()
2829                        .border_1()
2830                        .border_color(self.tool_card_border_color(cx))
2831                        .bg(cx.theme().colors().editor_background)
2832                        .overflow_hidden()
2833                } else {
2834                    this.my_1()
2835                }
2836            })
2837            .map(|this| {
2838                if has_location && !use_card_layout {
2839                    this.ml_4()
2840                } else {
2841                    this.ml_5()
2842                }
2843            })
2844            .mr_5()
2845            .map(|this| {
2846                if is_terminal_tool {
2847                    this.child(
2848                        v_flex()
2849                            .p_1p5()
2850                            .gap_0p5()
2851                            .text_ui_sm(cx)
2852                            .bg(self.tool_card_header_bg(cx))
2853                            .child(
2854                                Label::new("Run Command")
2855                                    .buffer_font(cx)
2856                                    .size(LabelSize::XSmall)
2857                                    .color(Color::Muted),
2858                            )
2859                            .child(
2860                                MarkdownElement::new(
2861                                    tool_call.label.clone(),
2862                                    terminal_command_markdown_style(window, cx),
2863                                )
2864                                .code_block_renderer(
2865                                    markdown::CodeBlockRenderer::Default {
2866                                        copy_button: false,
2867                                        copy_button_on_hover: false,
2868                                        border: false,
2869                                    },
2870                                )
2871                            ),
2872                    )
2873                } else {
2874                   this.child(
2875                        h_flex()
2876                            .group(&card_header_id)
2877                            .relative()
2878                            .w_full()
2879                            .gap_1()
2880                            .justify_between()
2881                            .when(use_card_layout, |this| {
2882                                this.p_0p5()
2883                                    .rounded_t(rems_from_px(5.))
2884                                    .bg(self.tool_card_header_bg(cx))
2885                            })
2886                            .child(self.render_tool_call_label(
2887                                entry_ix,
2888                                tool_call,
2889                                is_edit,
2890                                use_card_layout,
2891                                window,
2892                                cx,
2893                            ))
2894                            .when(is_collapsible || failed_or_canceled, |this| {
2895                                this.child(
2896                                    h_flex()
2897                                        .px_1()
2898                                        .gap_px()
2899                                        .when(is_collapsible, |this| {
2900                                            this.child(
2901                                            Disclosure::new(("expand-output", entry_ix), is_open)
2902                                                .opened_icon(IconName::ChevronUp)
2903                                                .closed_icon(IconName::ChevronDown)
2904                                                .visible_on_hover(&card_header_id)
2905                                                .on_click(cx.listener({
2906                                                    let id = tool_call.id.clone();
2907                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2908                                                        if is_open {
2909                                                            this.expanded_tool_calls.remove(&id);
2910                                                        } else {
2911                                                            this.expanded_tool_calls.insert(id.clone());
2912                                                        }
2913                                                        cx.notify();
2914                                                    }
2915                                                })),
2916                                        )
2917                                        })
2918                                        .when(failed_or_canceled, |this| {
2919                                            this.child(
2920                                                Icon::new(IconName::Close)
2921                                                    .color(Color::Error)
2922                                                    .size(IconSize::Small),
2923                                            )
2924                                        }),
2925                                )
2926                            }),
2927                    )
2928                }
2929            })
2930            .children(tool_output_display)
2931    }
2932
2933    fn render_tool_call_label(
2934        &self,
2935        entry_ix: usize,
2936        tool_call: &ToolCall,
2937        is_edit: bool,
2938        use_card_layout: bool,
2939        window: &Window,
2940        cx: &Context<Self>,
2941    ) -> Div {
2942        let has_location = tool_call.locations.len() == 1;
2943
2944        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2945            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2946                .map(Icon::from_path)
2947                .unwrap_or(Icon::new(IconName::ToolPencil))
2948        } else {
2949            Icon::new(match tool_call.kind {
2950                acp::ToolKind::Read => IconName::ToolSearch,
2951                acp::ToolKind::Edit => IconName::ToolPencil,
2952                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2953                acp::ToolKind::Move => IconName::ArrowRightLeft,
2954                acp::ToolKind::Search => IconName::ToolSearch,
2955                acp::ToolKind::Execute => IconName::ToolTerminal,
2956                acp::ToolKind::Think => IconName::ToolThink,
2957                acp::ToolKind::Fetch => IconName::ToolWeb,
2958                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2959                acp::ToolKind::Other | _ => IconName::ToolHammer,
2960            })
2961        }
2962        .size(IconSize::Small)
2963        .color(Color::Muted);
2964
2965        let gradient_overlay = {
2966            div()
2967                .absolute()
2968                .top_0()
2969                .right_0()
2970                .w_12()
2971                .h_full()
2972                .map(|this| {
2973                    if use_card_layout {
2974                        this.bg(linear_gradient(
2975                            90.,
2976                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2977                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2978                        ))
2979                    } else {
2980                        this.bg(linear_gradient(
2981                            90.,
2982                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2983                            linear_color_stop(
2984                                cx.theme().colors().panel_background.opacity(0.2),
2985                                0.,
2986                            ),
2987                        ))
2988                    }
2989                })
2990        };
2991
2992        h_flex()
2993            .relative()
2994            .w_full()
2995            .h(window.line_height() - px(2.))
2996            .text_size(self.tool_name_font_size())
2997            .gap_1p5()
2998            .when(has_location || use_card_layout, |this| this.px_1())
2999            .when(has_location, |this| {
3000                this.cursor(CursorStyle::PointingHand)
3001                    .rounded(rems_from_px(3.)) // Concentric border radius
3002                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
3003            })
3004            .overflow_hidden()
3005            .child(tool_icon)
3006            .child(if has_location {
3007                h_flex()
3008                    .id(("open-tool-call-location", entry_ix))
3009                    .w_full()
3010                    .map(|this| {
3011                        if use_card_layout {
3012                            this.text_color(cx.theme().colors().text)
3013                        } else {
3014                            this.text_color(cx.theme().colors().text_muted)
3015                        }
3016                    })
3017                    .child(self.render_markdown(
3018                        tool_call.label.clone(),
3019                        MarkdownStyle {
3020                            prevent_mouse_interaction: true,
3021                            ..default_markdown_style(false, true, window, cx)
3022                        },
3023                    ))
3024                    .tooltip(Tooltip::text("Go to File"))
3025                    .on_click(cx.listener(move |this, _, window, cx| {
3026                        this.open_tool_call_location(entry_ix, 0, window, cx);
3027                    }))
3028                    .into_any_element()
3029            } else {
3030                h_flex()
3031                    .w_full()
3032                    .child(self.render_markdown(
3033                        tool_call.label.clone(),
3034                        default_markdown_style(false, true, window, cx),
3035                    ))
3036                    .into_any()
3037            })
3038            .when(!is_edit, |this| this.child(gradient_overlay))
3039    }
3040
3041    fn render_tool_call_content(
3042        &self,
3043        entry_ix: usize,
3044        content: &ToolCallContent,
3045        context_ix: usize,
3046        tool_call: &ToolCall,
3047        card_layout: bool,
3048        window: &Window,
3049        cx: &Context<Self>,
3050    ) -> AnyElement {
3051        match content {
3052            ToolCallContent::ContentBlock(content) => {
3053                if let Some(resource_link) = content.resource_link() {
3054                    self.render_resource_link(resource_link, cx)
3055                } else if let Some(markdown) = content.markdown() {
3056                    self.render_markdown_output(
3057                        markdown.clone(),
3058                        tool_call.id.clone(),
3059                        context_ix,
3060                        card_layout,
3061                        window,
3062                        cx,
3063                    )
3064                } else {
3065                    Empty.into_any_element()
3066                }
3067            }
3068            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
3069            ToolCallContent::Terminal(terminal) => {
3070                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
3071            }
3072        }
3073    }
3074
3075    fn render_markdown_output(
3076        &self,
3077        markdown: Entity<Markdown>,
3078        tool_call_id: acp::ToolCallId,
3079        context_ix: usize,
3080        card_layout: bool,
3081        window: &Window,
3082        cx: &Context<Self>,
3083    ) -> AnyElement {
3084        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
3085
3086        v_flex()
3087            .gap_2()
3088            .map(|this| {
3089                if card_layout {
3090                    this.when(context_ix > 0, |this| {
3091                        this.pt_2()
3092                            .border_t_1()
3093                            .border_color(self.tool_card_border_color(cx))
3094                    })
3095                } else {
3096                    this.ml(rems(0.4))
3097                        .px_3p5()
3098                        .border_l_1()
3099                        .border_color(self.tool_card_border_color(cx))
3100                }
3101            })
3102            .text_xs()
3103            .text_color(cx.theme().colors().text_muted)
3104            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
3105            .when(!card_layout, |this| {
3106                this.child(
3107                    IconButton::new(button_id, IconName::ChevronUp)
3108                        .full_width()
3109                        .style(ButtonStyle::Outlined)
3110                        .icon_color(Color::Muted)
3111                        .on_click(cx.listener({
3112                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
3113                                this.expanded_tool_calls.remove(&tool_call_id);
3114                                cx.notify();
3115                            }
3116                        })),
3117                )
3118            })
3119            .into_any_element()
3120    }
3121
3122    fn render_resource_link(
3123        &self,
3124        resource_link: &acp::ResourceLink,
3125        cx: &Context<Self>,
3126    ) -> AnyElement {
3127        let uri: SharedString = resource_link.uri.clone().into();
3128        let is_file = resource_link.uri.strip_prefix("file://");
3129
3130        let label: SharedString = if let Some(abs_path) = is_file {
3131            if let Some(project_path) = self
3132                .project
3133                .read(cx)
3134                .project_path_for_absolute_path(&Path::new(abs_path), cx)
3135                && let Some(worktree) = self
3136                    .project
3137                    .read(cx)
3138                    .worktree_for_id(project_path.worktree_id, cx)
3139            {
3140                worktree
3141                    .read(cx)
3142                    .full_path(&project_path.path)
3143                    .to_string_lossy()
3144                    .to_string()
3145                    .into()
3146            } else {
3147                abs_path.to_string().into()
3148            }
3149        } else {
3150            uri.clone()
3151        };
3152
3153        let button_id = SharedString::from(format!("item-{}", uri));
3154
3155        div()
3156            .ml(rems(0.4))
3157            .pl_2p5()
3158            .border_l_1()
3159            .border_color(self.tool_card_border_color(cx))
3160            .overflow_hidden()
3161            .child(
3162                Button::new(button_id, label)
3163                    .label_size(LabelSize::Small)
3164                    .color(Color::Muted)
3165                    .truncate(true)
3166                    .when(is_file.is_none(), |this| {
3167                        this.icon(IconName::ArrowUpRight)
3168                            .icon_size(IconSize::XSmall)
3169                            .icon_color(Color::Muted)
3170                    })
3171                    .on_click(cx.listener({
3172                        let workspace = self.workspace.clone();
3173                        move |_, _, window, cx: &mut Context<Self>| {
3174                            Self::open_link(uri.clone(), &workspace, window, cx);
3175                        }
3176                    })),
3177            )
3178            .into_any_element()
3179    }
3180
3181    fn render_permission_buttons(
3182        &self,
3183        kind: acp::ToolKind,
3184        options: &[acp::PermissionOption],
3185        entry_ix: usize,
3186        tool_call_id: acp::ToolCallId,
3187        cx: &Context<Self>,
3188    ) -> Div {
3189        let is_first = self.thread().is_some_and(|thread| {
3190            thread
3191                .read(cx)
3192                .first_tool_awaiting_confirmation()
3193                .is_some_and(|call| call.id == tool_call_id)
3194        });
3195        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
3196
3197        div()
3198            .p_1()
3199            .border_t_1()
3200            .border_color(self.tool_card_border_color(cx))
3201            .w_full()
3202            .map(|this| {
3203                if kind == acp::ToolKind::SwitchMode {
3204                    this.v_flex()
3205                } else {
3206                    this.h_flex().justify_end().flex_wrap()
3207                }
3208            })
3209            .gap_0p5()
3210            .children(options.iter().map(move |option| {
3211                let option_id = SharedString::from(option.option_id.0.clone());
3212                Button::new((option_id, entry_ix), option.name.clone())
3213                    .map(|this| {
3214                        let (this, action) = match option.kind {
3215                            acp::PermissionOptionKind::AllowOnce => (
3216                                this.icon(IconName::Check).icon_color(Color::Success),
3217                                Some(&AllowOnce as &dyn Action),
3218                            ),
3219                            acp::PermissionOptionKind::AllowAlways => (
3220                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
3221                                Some(&AllowAlways as &dyn Action),
3222                            ),
3223                            acp::PermissionOptionKind::RejectOnce => (
3224                                this.icon(IconName::Close).icon_color(Color::Error),
3225                                Some(&RejectOnce as &dyn Action),
3226                            ),
3227                            acp::PermissionOptionKind::RejectAlways | _ => {
3228                                (this.icon(IconName::Close).icon_color(Color::Error), None)
3229                            }
3230                        };
3231
3232                        let Some(action) = action else {
3233                            return this;
3234                        };
3235
3236                        if !is_first || seen_kinds.contains(&option.kind) {
3237                            return this;
3238                        }
3239
3240                        seen_kinds.push(option.kind);
3241
3242                        this.key_binding(
3243                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
3244                                .map(|kb| kb.size(rems_from_px(10.))),
3245                        )
3246                    })
3247                    .icon_position(IconPosition::Start)
3248                    .icon_size(IconSize::XSmall)
3249                    .label_size(LabelSize::Small)
3250                    .on_click(cx.listener({
3251                        let tool_call_id = tool_call_id.clone();
3252                        let option_id = option.option_id.clone();
3253                        let option_kind = option.kind;
3254                        move |this, _, window, cx| {
3255                            this.authorize_tool_call(
3256                                tool_call_id.clone(),
3257                                option_id.clone(),
3258                                option_kind,
3259                                window,
3260                                cx,
3261                            );
3262                        }
3263                    }))
3264            }))
3265    }
3266
3267    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
3268        let bar = |n: u64, width_class: &str| {
3269            let bg_color = cx.theme().colors().element_active;
3270            let base = h_flex().h_1().rounded_full();
3271
3272            let modified = match width_class {
3273                "w_4_5" => base.w_3_4(),
3274                "w_1_4" => base.w_1_4(),
3275                "w_2_4" => base.w_2_4(),
3276                "w_3_5" => base.w_3_5(),
3277                "w_2_5" => base.w_2_5(),
3278                _ => base.w_1_2(),
3279            };
3280
3281            modified.with_animation(
3282                ElementId::Integer(n),
3283                Animation::new(Duration::from_secs(2)).repeat(),
3284                move |tab, delta| {
3285                    let delta = (delta - 0.15 * n as f32) / 0.7;
3286                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
3287                    let delta = ease_in_out(delta.clamp(0., 1.));
3288                    let delta = 0.1 + 0.9 * delta;
3289
3290                    tab.bg(bg_color.opacity(delta))
3291                },
3292            )
3293        };
3294
3295        v_flex()
3296            .p_3()
3297            .gap_1()
3298            .rounded_b_md()
3299            .bg(cx.theme().colors().editor_background)
3300            .child(bar(0, "w_4_5"))
3301            .child(bar(1, "w_1_4"))
3302            .child(bar(2, "w_2_4"))
3303            .child(bar(3, "w_3_5"))
3304            .child(bar(4, "w_2_5"))
3305            .into_any_element()
3306    }
3307
3308    fn render_diff_editor(
3309        &self,
3310        entry_ix: usize,
3311        diff: &Entity<acp_thread::Diff>,
3312        tool_call: &ToolCall,
3313        cx: &Context<Self>,
3314    ) -> AnyElement {
3315        let tool_progress = matches!(
3316            &tool_call.status,
3317            ToolCallStatus::InProgress | ToolCallStatus::Pending
3318        );
3319
3320        v_flex()
3321            .h_full()
3322            .border_t_1()
3323            .border_color(self.tool_card_border_color(cx))
3324            .child(
3325                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
3326                    && let Some(editor) = entry.editor_for_diff(diff)
3327                    && diff.read(cx).has_revealed_range(cx)
3328                {
3329                    editor.into_any_element()
3330                } else if tool_progress && self.as_native_connection(cx).is_some() {
3331                    self.render_diff_loading(cx)
3332                } else {
3333                    Empty.into_any()
3334                },
3335            )
3336            .into_any()
3337    }
3338
3339    fn render_terminal_tool_call(
3340        &self,
3341        entry_ix: usize,
3342        terminal: &Entity<acp_thread::Terminal>,
3343        tool_call: &ToolCall,
3344        window: &Window,
3345        cx: &Context<Self>,
3346    ) -> AnyElement {
3347        let terminal_data = terminal.read(cx);
3348        let working_dir = terminal_data.working_dir();
3349        let command = terminal_data.command();
3350        let started_at = terminal_data.started_at();
3351
3352        let tool_failed = matches!(
3353            &tool_call.status,
3354            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
3355        );
3356
3357        let output = terminal_data.output();
3358        let command_finished = output.is_some();
3359        let truncated_output =
3360            output.is_some_and(|output| output.original_content_len > output.content.len());
3361        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
3362
3363        let command_failed = command_finished
3364            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
3365
3366        let time_elapsed = if let Some(output) = output {
3367            output.ended_at.duration_since(started_at)
3368        } else {
3369            started_at.elapsed()
3370        };
3371
3372        let header_id =
3373            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
3374        let header_group = SharedString::from(format!(
3375            "terminal-tool-header-group-{}",
3376            terminal.entity_id()
3377        ));
3378        let header_bg = cx
3379            .theme()
3380            .colors()
3381            .element_background
3382            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
3383        let border_color = cx.theme().colors().border.opacity(0.6);
3384
3385        let working_dir = working_dir
3386            .as_ref()
3387            .map(|path| path.display().to_string())
3388            .unwrap_or_else(|| "current directory".to_string());
3389
3390        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
3391
3392        let header = h_flex()
3393            .id(header_id)
3394            .flex_none()
3395            .gap_1()
3396            .justify_between()
3397            .rounded_t_md()
3398            .child(
3399                div()
3400                    .id(("command-target-path", terminal.entity_id()))
3401                    .w_full()
3402                    .max_w_full()
3403                    .overflow_x_scroll()
3404                    .child(
3405                        Label::new(working_dir)
3406                            .buffer_font(cx)
3407                            .size(LabelSize::XSmall)
3408                            .color(Color::Muted),
3409                    ),
3410            )
3411            .when(!command_finished, |header| {
3412                header
3413                    .gap_1p5()
3414                    .child(
3415                        Button::new(
3416                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
3417                            "Stop",
3418                        )
3419                        .icon(IconName::Stop)
3420                        .icon_position(IconPosition::Start)
3421                        .icon_size(IconSize::Small)
3422                        .icon_color(Color::Error)
3423                        .label_size(LabelSize::Small)
3424                        .tooltip(move |_window, cx| {
3425                            Tooltip::with_meta(
3426                                "Stop This Command",
3427                                None,
3428                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
3429                                cx,
3430                            )
3431                        })
3432                        .on_click({
3433                            let terminal = terminal.clone();
3434                            cx.listener(move |_this, _event, _window, cx| {
3435                                let inner_terminal = terminal.read(cx).inner().clone();
3436                                inner_terminal.update(cx, |inner_terminal, _cx| {
3437                                    inner_terminal.kill_active_task();
3438                                });
3439                            })
3440                        }),
3441                    )
3442                    .child(Divider::vertical())
3443                    .child(
3444                        Icon::new(IconName::ArrowCircle)
3445                            .size(IconSize::XSmall)
3446                            .color(Color::Info)
3447                            .with_rotate_animation(2)
3448                    )
3449            })
3450            .when(truncated_output, |header| {
3451                let tooltip = if let Some(output) = output {
3452                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
3453                       format!("Output exceeded terminal max lines and was \
3454                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
3455                    } else {
3456                        format!(
3457                            "Output is {} long, and to avoid unexpected token usage, \
3458                                only {} was sent back to the agent.",
3459                            format_file_size(output.original_content_len as u64, true),
3460                             format_file_size(output.content.len() as u64, true)
3461                        )
3462                    }
3463                } else {
3464                    "Output was truncated".to_string()
3465                };
3466
3467                header.child(
3468                    h_flex()
3469                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
3470                        .gap_1()
3471                        .child(
3472                            Icon::new(IconName::Info)
3473                                .size(IconSize::XSmall)
3474                                .color(Color::Ignored),
3475                        )
3476                        .child(
3477                            Label::new("Truncated")
3478                                .color(Color::Muted)
3479                                .size(LabelSize::XSmall),
3480                        )
3481                        .tooltip(Tooltip::text(tooltip)),
3482                )
3483            })
3484            .when(time_elapsed > Duration::from_secs(10), |header| {
3485                header.child(
3486                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
3487                        .buffer_font(cx)
3488                        .color(Color::Muted)
3489                        .size(LabelSize::XSmall),
3490                )
3491            })
3492            .when(tool_failed || command_failed, |header| {
3493                header.child(
3494                    div()
3495                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
3496                        .child(
3497                            Icon::new(IconName::Close)
3498                                .size(IconSize::Small)
3499                                .color(Color::Error),
3500                        )
3501                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
3502                            this.tooltip(Tooltip::text(format!(
3503                                "Exited with code {}",
3504                                status.code().unwrap_or(-1),
3505                            )))
3506                        }),
3507                )
3508            })
3509            .child(
3510                Disclosure::new(
3511                    SharedString::from(format!(
3512                        "terminal-tool-disclosure-{}",
3513                        terminal.entity_id()
3514                    )),
3515                    is_expanded,
3516                )
3517                .opened_icon(IconName::ChevronUp)
3518                .closed_icon(IconName::ChevronDown)
3519                .visible_on_hover(&header_group)
3520                .on_click(cx.listener({
3521                    let id = tool_call.id.clone();
3522                    move |this, _event, _window, _cx| {
3523                        if is_expanded {
3524                            this.expanded_tool_calls.remove(&id);
3525                        } else {
3526                            this.expanded_tool_calls.insert(id.clone());
3527                        }
3528                    }
3529                })),
3530            );
3531
3532        let terminal_view = self
3533            .entry_view_state
3534            .read(cx)
3535            .entry(entry_ix)
3536            .and_then(|entry| entry.terminal(terminal));
3537        let show_output = is_expanded && terminal_view.is_some();
3538
3539        v_flex()
3540            .my_1p5()
3541            .mx_5()
3542            .border_1()
3543            .when(tool_failed || command_failed, |card| card.border_dashed())
3544            .border_color(border_color)
3545            .rounded_md()
3546            .overflow_hidden()
3547            .child(
3548                v_flex()
3549                    .group(&header_group)
3550                    .py_1p5()
3551                    .pr_1p5()
3552                    .pl_2()
3553                    .gap_0p5()
3554                    .bg(header_bg)
3555                    .text_xs()
3556                    .child(header)
3557                    .child(
3558                        MarkdownElement::new(
3559                            command.clone(),
3560                            terminal_command_markdown_style(window, cx),
3561                        )
3562                        .code_block_renderer(
3563                            markdown::CodeBlockRenderer::Default {
3564                                copy_button: false,
3565                                copy_button_on_hover: true,
3566                                border: false,
3567                            },
3568                        ),
3569                    ),
3570            )
3571            .when(show_output, |this| {
3572                this.child(
3573                    div()
3574                        .pt_2()
3575                        .border_t_1()
3576                        .when(tool_failed || command_failed, |card| card.border_dashed())
3577                        .border_color(border_color)
3578                        .bg(cx.theme().colors().editor_background)
3579                        .rounded_b_md()
3580                        .text_ui_sm(cx)
3581                        .h_full()
3582                        .children(terminal_view.map(|terminal_view| {
3583                            let element = if terminal_view
3584                                .read(cx)
3585                                .content_mode(window, cx)
3586                                .is_scrollable()
3587                            {
3588                                div().h_72().child(terminal_view).into_any_element()
3589                            } else {
3590                                terminal_view.into_any_element()
3591                            };
3592
3593                            div()
3594                                .on_action(cx.listener(|_this, _: &NewTerminal, window, cx| {
3595                                    window.dispatch_action(NewThread.boxed_clone(), cx);
3596                                    cx.stop_propagation();
3597                                }))
3598                                .child(element)
3599                                .into_any_element()
3600                        })),
3601                )
3602            })
3603            .into_any()
3604    }
3605
3606    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
3607        let project_context = self
3608            .as_native_thread(cx)?
3609            .read(cx)
3610            .project_context()
3611            .read(cx);
3612
3613        let user_rules_text = if project_context.user_rules.is_empty() {
3614            None
3615        } else if project_context.user_rules.len() == 1 {
3616            let user_rules = &project_context.user_rules[0];
3617
3618            match user_rules.title.as_ref() {
3619                Some(title) => Some(format!("Using \"{title}\" user rule")),
3620                None => Some("Using user rule".into()),
3621            }
3622        } else {
3623            Some(format!(
3624                "Using {} user rules",
3625                project_context.user_rules.len()
3626            ))
3627        };
3628
3629        let first_user_rules_id = project_context
3630            .user_rules
3631            .first()
3632            .map(|user_rules| user_rules.uuid.0);
3633
3634        let rules_files = project_context
3635            .worktrees
3636            .iter()
3637            .filter_map(|worktree| worktree.rules_file.as_ref())
3638            .collect::<Vec<_>>();
3639
3640        let rules_file_text = match rules_files.as_slice() {
3641            &[] => None,
3642            &[rules_file] => Some(format!(
3643                "Using project {:?} file",
3644                rules_file.path_in_worktree
3645            )),
3646            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3647        };
3648
3649        if user_rules_text.is_none() && rules_file_text.is_none() {
3650            return None;
3651        }
3652
3653        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3654
3655        Some(
3656            h_flex()
3657                .px_2p5()
3658                .child(
3659                    Icon::new(IconName::Attach)
3660                        .size(IconSize::XSmall)
3661                        .color(Color::Disabled),
3662                )
3663                .when_some(user_rules_text, |parent, user_rules_text| {
3664                    parent.child(
3665                        h_flex()
3666                            .id("user-rules")
3667                            .ml_1()
3668                            .mr_1p5()
3669                            .child(
3670                                Label::new(user_rules_text)
3671                                    .size(LabelSize::XSmall)
3672                                    .color(Color::Muted)
3673                                    .truncate(),
3674                            )
3675                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3676                            .tooltip(Tooltip::text("View User Rules"))
3677                            .on_click(move |_event, window, cx| {
3678                                window.dispatch_action(
3679                                    Box::new(OpenRulesLibrary {
3680                                        prompt_to_select: first_user_rules_id,
3681                                    }),
3682                                    cx,
3683                                )
3684                            }),
3685                    )
3686                })
3687                .when(has_both, |this| {
3688                    this.child(
3689                        Label::new("")
3690                            .size(LabelSize::XSmall)
3691                            .color(Color::Disabled),
3692                    )
3693                })
3694                .when_some(rules_file_text, |parent, rules_file_text| {
3695                    parent.child(
3696                        h_flex()
3697                            .id("project-rules")
3698                            .ml_1p5()
3699                            .child(
3700                                Label::new(rules_file_text)
3701                                    .size(LabelSize::XSmall)
3702                                    .color(Color::Muted),
3703                            )
3704                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3705                            .tooltip(Tooltip::text("View Project Rules"))
3706                            .on_click(cx.listener(Self::handle_open_rules)),
3707                    )
3708                })
3709                .into_any(),
3710        )
3711    }
3712
3713    fn render_empty_state_section_header(
3714        &self,
3715        label: impl Into<SharedString>,
3716        action_slot: Option<AnyElement>,
3717        cx: &mut Context<Self>,
3718    ) -> impl IntoElement {
3719        div().pl_1().pr_1p5().child(
3720            h_flex()
3721                .mt_2()
3722                .pl_1p5()
3723                .pb_1()
3724                .w_full()
3725                .justify_between()
3726                .border_b_1()
3727                .border_color(cx.theme().colors().border_variant)
3728                .child(
3729                    Label::new(label.into())
3730                        .size(LabelSize::Small)
3731                        .color(Color::Muted),
3732                )
3733                .children(action_slot),
3734        )
3735    }
3736
3737    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3738        let render_history = self
3739            .agent
3740            .clone()
3741            .downcast::<agent::NativeAgentServer>()
3742            .is_some()
3743            && self
3744                .history_store
3745                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3746
3747        v_flex()
3748            .size_full()
3749            .when(render_history, |this| {
3750                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3751                    history_store.entries().take(3).collect()
3752                });
3753                this.justify_end().child(
3754                    v_flex()
3755                        .child(
3756                            self.render_empty_state_section_header(
3757                                "Recent",
3758                                Some(
3759                                    Button::new("view-history", "View All")
3760                                        .style(ButtonStyle::Subtle)
3761                                        .label_size(LabelSize::Small)
3762                                        .key_binding(
3763                                            KeyBinding::for_action_in(
3764                                                &OpenHistory,
3765                                                &self.focus_handle(cx),
3766                                                cx,
3767                                            )
3768                                            .map(|kb| kb.size(rems_from_px(12.))),
3769                                        )
3770                                        .on_click(move |_event, window, cx| {
3771                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3772                                        })
3773                                        .into_any_element(),
3774                                ),
3775                                cx,
3776                            ),
3777                        )
3778                        .child(
3779                            v_flex().p_1().pr_1p5().gap_1().children(
3780                                recent_history
3781                                    .into_iter()
3782                                    .enumerate()
3783                                    .map(|(index, entry)| {
3784                                        // TODO: Add keyboard navigation.
3785                                        let is_hovered =
3786                                            self.hovered_recent_history_item == Some(index);
3787                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3788                                            entry,
3789                                            cx.entity().downgrade(),
3790                                        )
3791                                        .hovered(is_hovered)
3792                                        .on_hover(cx.listener(
3793                                            move |this, is_hovered, _window, cx| {
3794                                                if *is_hovered {
3795                                                    this.hovered_recent_history_item = Some(index);
3796                                                } else if this.hovered_recent_history_item
3797                                                    == Some(index)
3798                                                {
3799                                                    this.hovered_recent_history_item = None;
3800                                                }
3801                                                cx.notify();
3802                                            },
3803                                        ))
3804                                        .into_any_element()
3805                                    }),
3806                            ),
3807                        ),
3808                )
3809            })
3810            .into_any()
3811    }
3812
3813    fn render_auth_required_state(
3814        &self,
3815        connection: &Rc<dyn AgentConnection>,
3816        description: Option<&Entity<Markdown>>,
3817        configuration_view: Option<&AnyView>,
3818        pending_auth_method: Option<&acp::AuthMethodId>,
3819        window: &mut Window,
3820        cx: &Context<Self>,
3821    ) -> impl IntoElement {
3822        let auth_methods = connection.auth_methods();
3823
3824        let agent_display_name = self
3825            .agent_server_store
3826            .read(cx)
3827            .agent_display_name(&ExternalAgentServerName(self.agent.name()))
3828            .unwrap_or_else(|| self.agent.name());
3829
3830        let show_fallback_description = auth_methods.len() > 1
3831            && configuration_view.is_none()
3832            && description.is_none()
3833            && pending_auth_method.is_none();
3834
3835        let auth_buttons = || {
3836            h_flex().justify_end().flex_wrap().gap_1().children(
3837                connection
3838                    .auth_methods()
3839                    .iter()
3840                    .enumerate()
3841                    .rev()
3842                    .map(|(ix, method)| {
3843                        let (method_id, name) = if self.project.read(cx).is_via_remote_server()
3844                            && method.id.0.as_ref() == "oauth-personal"
3845                            && method.name == "Log in with Google"
3846                        {
3847                            ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3848                        } else {
3849                            (method.id.0.clone(), method.name.clone())
3850                        };
3851
3852                        let agent_telemetry_id = connection.telemetry_id();
3853
3854                        Button::new(method_id.clone(), name)
3855                            .label_size(LabelSize::Small)
3856                            .map(|this| {
3857                                if ix == 0 {
3858                                    this.style(ButtonStyle::Tinted(TintColor::Accent))
3859                                } else {
3860                                    this.style(ButtonStyle::Outlined)
3861                                }
3862                            })
3863                            .when_some(method.description.clone(), |this, description| {
3864                                this.tooltip(Tooltip::text(description))
3865                            })
3866                            .on_click({
3867                                cx.listener(move |this, _, window, cx| {
3868                                    telemetry::event!(
3869                                        "Authenticate Agent Started",
3870                                        agent = agent_telemetry_id,
3871                                        method = method_id
3872                                    );
3873
3874                                    this.authenticate(
3875                                        acp::AuthMethodId::new(method_id.clone()),
3876                                        window,
3877                                        cx,
3878                                    )
3879                                })
3880                            })
3881                    }),
3882            )
3883        };
3884
3885        if pending_auth_method.is_some() {
3886            return Callout::new()
3887                .icon(IconName::Info)
3888                .title(format!("Authenticating to {}", agent_display_name))
3889                .actions_slot(
3890                    Icon::new(IconName::ArrowCircle)
3891                        .size(IconSize::Small)
3892                        .color(Color::Muted)
3893                        .with_rotate_animation(2)
3894                        .into_any_element(),
3895                )
3896                .into_any_element();
3897        }
3898
3899        Callout::new()
3900            .icon(IconName::Info)
3901            .title(format!("Authenticate to {}", agent_display_name))
3902            .when(auth_methods.len() == 1, |this| {
3903                this.actions_slot(auth_buttons())
3904            })
3905            .description_slot(
3906                v_flex()
3907                    .text_ui(cx)
3908                    .map(|this| {
3909                        if show_fallback_description {
3910                            this.child(
3911                                Label::new("Choose one of the following authentication options:")
3912                                    .size(LabelSize::Small)
3913                                    .color(Color::Muted),
3914                            )
3915                        } else {
3916                            this.children(
3917                                configuration_view
3918                                    .cloned()
3919                                    .map(|view| div().w_full().child(view)),
3920                            )
3921                            .children(description.map(|desc| {
3922                                self.render_markdown(
3923                                    desc.clone(),
3924                                    default_markdown_style(false, false, window, cx),
3925                                )
3926                            }))
3927                        }
3928                    })
3929                    .when(auth_methods.len() > 1, |this| {
3930                        this.gap_1().child(auth_buttons())
3931                    }),
3932            )
3933            .into_any_element()
3934    }
3935
3936    fn render_load_error(
3937        &self,
3938        e: &LoadError,
3939        window: &mut Window,
3940        cx: &mut Context<Self>,
3941    ) -> AnyElement {
3942        let (title, message, action_slot): (_, SharedString, _) = match e {
3943            LoadError::Unsupported {
3944                command: path,
3945                current_version,
3946                minimum_version,
3947            } => {
3948                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3949            }
3950            LoadError::FailedToInstall(msg) => (
3951                "Failed to Install",
3952                msg.into(),
3953                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3954            ),
3955            LoadError::Exited { status } => (
3956                "Failed to Launch",
3957                format!("Server exited with status {status}").into(),
3958                None,
3959            ),
3960            LoadError::Other(msg) => (
3961                "Failed to Launch",
3962                msg.into(),
3963                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3964            ),
3965        };
3966
3967        Callout::new()
3968            .severity(Severity::Error)
3969            .icon(IconName::XCircleFilled)
3970            .title(title)
3971            .description(message)
3972            .actions_slot(div().children(action_slot))
3973            .into_any_element()
3974    }
3975
3976    fn render_unsupported(
3977        &self,
3978        path: &SharedString,
3979        version: &SharedString,
3980        minimum_version: &SharedString,
3981        _window: &mut Window,
3982        cx: &mut Context<Self>,
3983    ) -> AnyElement {
3984        let (heading_label, description_label) = (
3985            format!("Upgrade {} to work with Zed", self.agent.name()),
3986            if version.is_empty() {
3987                format!(
3988                    "Currently using {}, which does not report a valid --version",
3989                    path,
3990                )
3991            } else {
3992                format!(
3993                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3994                    path, version
3995                )
3996            },
3997        );
3998
3999        v_flex()
4000            .w_full()
4001            .p_3p5()
4002            .gap_2p5()
4003            .border_t_1()
4004            .border_color(cx.theme().colors().border)
4005            .bg(linear_gradient(
4006                180.,
4007                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
4008                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
4009            ))
4010            .child(
4011                v_flex().gap_0p5().child(Label::new(heading_label)).child(
4012                    Label::new(description_label)
4013                        .size(LabelSize::Small)
4014                        .color(Color::Muted),
4015                ),
4016            )
4017            .into_any_element()
4018    }
4019
4020    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
4021        let editor_bg_color = cx.theme().colors().editor_background;
4022        let active_color = cx.theme().colors().element_selected;
4023        editor_bg_color.blend(active_color.opacity(0.3))
4024    }
4025
4026    fn render_activity_bar(
4027        &self,
4028        thread_entity: &Entity<AcpThread>,
4029        window: &mut Window,
4030        cx: &Context<Self>,
4031    ) -> Option<AnyElement> {
4032        let thread = thread_entity.read(cx);
4033        let action_log = thread.action_log();
4034        let telemetry = ActionLogTelemetry::from(thread);
4035        let changed_buffers = action_log.read(cx).changed_buffers(cx);
4036        let plan = thread.plan();
4037
4038        if changed_buffers.is_empty() && plan.is_empty() && self.message_queue.is_empty() {
4039            return None;
4040        }
4041
4042        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
4043        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
4044        // be, which blocks you from being able to accept or reject edits. This switches the
4045        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
4046        // block you from using the panel.
4047        let pending_edits = false;
4048
4049        v_flex()
4050            .mt_1()
4051            .mx_2()
4052            .bg(self.activity_bar_bg(cx))
4053            .border_1()
4054            .border_b_0()
4055            .border_color(cx.theme().colors().border)
4056            .rounded_t_md()
4057            .shadow(vec![gpui::BoxShadow {
4058                color: gpui::black().opacity(0.15),
4059                offset: point(px(1.), px(-1.)),
4060                blur_radius: px(3.),
4061                spread_radius: px(0.),
4062            }])
4063            .when(!plan.is_empty(), |this| {
4064                this.child(self.render_plan_summary(plan, window, cx))
4065                    .when(self.plan_expanded, |parent| {
4066                        parent.child(self.render_plan_entries(plan, window, cx))
4067                    })
4068            })
4069            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
4070                this.child(Divider::horizontal().color(DividerColor::Border))
4071            })
4072            .when(!changed_buffers.is_empty(), |this| {
4073                this.child(self.render_edits_summary(
4074                    &changed_buffers,
4075                    self.edits_expanded,
4076                    pending_edits,
4077                    cx,
4078                ))
4079                .when(self.edits_expanded, |parent| {
4080                    parent.child(self.render_edited_files(
4081                        action_log,
4082                        telemetry,
4083                        &changed_buffers,
4084                        pending_edits,
4085                        cx,
4086                    ))
4087                })
4088            })
4089            .when(!self.message_queue.is_empty(), |this| {
4090                this.when(!plan.is_empty() || !changed_buffers.is_empty(), |this| {
4091                    this.child(Divider::horizontal().color(DividerColor::Border))
4092                })
4093                .child(self.render_message_queue_summary(window, cx))
4094                .when(self.queue_expanded, |parent| {
4095                    parent.child(self.render_message_queue_entries(window, cx))
4096                })
4097            })
4098            .into_any()
4099            .into()
4100    }
4101
4102    fn render_plan_summary(
4103        &self,
4104        plan: &Plan,
4105        window: &mut Window,
4106        cx: &Context<Self>,
4107    ) -> impl IntoElement {
4108        let stats = plan.stats();
4109
4110        let title = if let Some(entry) = stats.in_progress_entry
4111            && !self.plan_expanded
4112        {
4113            h_flex()
4114                .cursor_default()
4115                .relative()
4116                .w_full()
4117                .gap_1()
4118                .truncate()
4119                .child(
4120                    Label::new("Current:")
4121                        .size(LabelSize::Small)
4122                        .color(Color::Muted),
4123                )
4124                .child(
4125                    div()
4126                        .text_xs()
4127                        .text_color(cx.theme().colors().text_muted)
4128                        .line_clamp(1)
4129                        .child(MarkdownElement::new(
4130                            entry.content.clone(),
4131                            plan_label_markdown_style(&entry.status, window, cx),
4132                        )),
4133                )
4134                .when(stats.pending > 0, |this| {
4135                    this.child(
4136                        h_flex()
4137                            .absolute()
4138                            .top_0()
4139                            .right_0()
4140                            .h_full()
4141                            .child(div().min_w_8().h_full().bg(linear_gradient(
4142                                90.,
4143                                linear_color_stop(self.activity_bar_bg(cx), 1.),
4144                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
4145                            )))
4146                            .child(
4147                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
4148                                    Label::new(format!("{} left", stats.pending))
4149                                        .size(LabelSize::Small)
4150                                        .color(Color::Muted),
4151                                ),
4152                            ),
4153                    )
4154                })
4155        } else {
4156            let status_label = if stats.pending == 0 {
4157                "All Done".to_string()
4158            } else if stats.completed == 0 {
4159                format!("{} Tasks", plan.entries.len())
4160            } else {
4161                format!("{}/{}", stats.completed, plan.entries.len())
4162            };
4163
4164            h_flex()
4165                .w_full()
4166                .gap_1()
4167                .justify_between()
4168                .child(
4169                    Label::new("Plan")
4170                        .size(LabelSize::Small)
4171                        .color(Color::Muted),
4172                )
4173                .child(
4174                    Label::new(status_label)
4175                        .size(LabelSize::Small)
4176                        .color(Color::Muted)
4177                        .mr_1(),
4178                )
4179        };
4180
4181        h_flex()
4182            .id("plan_summary")
4183            .p_1()
4184            .w_full()
4185            .gap_1()
4186            .when(self.plan_expanded, |this| {
4187                this.border_b_1().border_color(cx.theme().colors().border)
4188            })
4189            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
4190            .child(title)
4191            .on_click(cx.listener(|this, _, _, cx| {
4192                this.plan_expanded = !this.plan_expanded;
4193                cx.notify();
4194            }))
4195    }
4196
4197    fn render_plan_entries(
4198        &self,
4199        plan: &Plan,
4200        window: &mut Window,
4201        cx: &Context<Self>,
4202    ) -> impl IntoElement {
4203        v_flex()
4204            .id("plan_items_list")
4205            .max_h_40()
4206            .overflow_y_scroll()
4207            .children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
4208                let element = h_flex()
4209                    .py_1()
4210                    .px_2()
4211                    .gap_2()
4212                    .justify_between()
4213                    .bg(cx.theme().colors().editor_background)
4214                    .when(index < plan.entries.len() - 1, |parent| {
4215                        parent.border_color(cx.theme().colors().border).border_b_1()
4216                    })
4217                    .child(
4218                        h_flex()
4219                            .id(("plan_entry", index))
4220                            .gap_1p5()
4221                            .max_w_full()
4222                            .overflow_x_scroll()
4223                            .text_xs()
4224                            .text_color(cx.theme().colors().text_muted)
4225                            .child(match entry.status {
4226                                acp::PlanEntryStatus::InProgress => {
4227                                    Icon::new(IconName::TodoProgress)
4228                                        .size(IconSize::Small)
4229                                        .color(Color::Accent)
4230                                        .with_rotate_animation(2)
4231                                        .into_any_element()
4232                                }
4233                                acp::PlanEntryStatus::Completed => {
4234                                    Icon::new(IconName::TodoComplete)
4235                                        .size(IconSize::Small)
4236                                        .color(Color::Success)
4237                                        .into_any_element()
4238                                }
4239                                acp::PlanEntryStatus::Pending | _ => {
4240                                    Icon::new(IconName::TodoPending)
4241                                        .size(IconSize::Small)
4242                                        .color(Color::Muted)
4243                                        .into_any_element()
4244                                }
4245                            })
4246                            .child(MarkdownElement::new(
4247                                entry.content.clone(),
4248                                plan_label_markdown_style(&entry.status, window, cx),
4249                            )),
4250                    );
4251
4252                Some(element)
4253            }))
4254            .into_any_element()
4255    }
4256
4257    fn render_edits_summary(
4258        &self,
4259        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
4260        expanded: bool,
4261        pending_edits: bool,
4262        cx: &Context<Self>,
4263    ) -> Div {
4264        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
4265
4266        let focus_handle = self.focus_handle(cx);
4267
4268        h_flex()
4269            .p_1()
4270            .justify_between()
4271            .flex_wrap()
4272            .when(expanded, |this| {
4273                this.border_b_1().border_color(cx.theme().colors().border)
4274            })
4275            .child(
4276                h_flex()
4277                    .id("edits-container")
4278                    .cursor_pointer()
4279                    .gap_1()
4280                    .child(Disclosure::new("edits-disclosure", expanded))
4281                    .map(|this| {
4282                        if pending_edits {
4283                            this.child(
4284                                Label::new(format!(
4285                                    "Editing {} {}",
4286                                    changed_buffers.len(),
4287                                    if changed_buffers.len() == 1 {
4288                                        "file"
4289                                    } else {
4290                                        "files"
4291                                    }
4292                                ))
4293                                .color(Color::Muted)
4294                                .size(LabelSize::Small)
4295                                .with_animation(
4296                                    "edit-label",
4297                                    Animation::new(Duration::from_secs(2))
4298                                        .repeat()
4299                                        .with_easing(pulsating_between(0.3, 0.7)),
4300                                    |label, delta| label.alpha(delta),
4301                                ),
4302                            )
4303                        } else {
4304                            this.child(
4305                                Label::new("Edits")
4306                                    .size(LabelSize::Small)
4307                                    .color(Color::Muted),
4308                            )
4309                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
4310                            .child(
4311                                Label::new(format!(
4312                                    "{} {}",
4313                                    changed_buffers.len(),
4314                                    if changed_buffers.len() == 1 {
4315                                        "file"
4316                                    } else {
4317                                        "files"
4318                                    }
4319                                ))
4320                                .size(LabelSize::Small)
4321                                .color(Color::Muted),
4322                            )
4323                        }
4324                    })
4325                    .on_click(cx.listener(|this, _, _, cx| {
4326                        this.edits_expanded = !this.edits_expanded;
4327                        cx.notify();
4328                    })),
4329            )
4330            .child(
4331                h_flex()
4332                    .gap_1()
4333                    .child(
4334                        IconButton::new("review-changes", IconName::ListTodo)
4335                            .icon_size(IconSize::Small)
4336                            .tooltip({
4337                                let focus_handle = focus_handle.clone();
4338                                move |_window, cx| {
4339                                    Tooltip::for_action_in(
4340                                        "Review Changes",
4341                                        &OpenAgentDiff,
4342                                        &focus_handle,
4343                                        cx,
4344                                    )
4345                                }
4346                            })
4347                            .on_click(cx.listener(|_, _, window, cx| {
4348                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
4349                            })),
4350                    )
4351                    .child(Divider::vertical().color(DividerColor::Border))
4352                    .child(
4353                        Button::new("reject-all-changes", "Reject All")
4354                            .label_size(LabelSize::Small)
4355                            .disabled(pending_edits)
4356                            .when(pending_edits, |this| {
4357                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
4358                            })
4359                            .key_binding(
4360                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
4361                                    .map(|kb| kb.size(rems_from_px(10.))),
4362                            )
4363                            .on_click(cx.listener(move |this, _, window, cx| {
4364                                this.reject_all(&RejectAll, window, cx);
4365                            })),
4366                    )
4367                    .child(
4368                        Button::new("keep-all-changes", "Keep All")
4369                            .label_size(LabelSize::Small)
4370                            .disabled(pending_edits)
4371                            .when(pending_edits, |this| {
4372                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
4373                            })
4374                            .key_binding(
4375                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
4376                                    .map(|kb| kb.size(rems_from_px(10.))),
4377                            )
4378                            .on_click(cx.listener(move |this, _, window, cx| {
4379                                this.keep_all(&KeepAll, window, cx);
4380                            })),
4381                    ),
4382            )
4383    }
4384
4385    fn render_edited_files(
4386        &self,
4387        action_log: &Entity<ActionLog>,
4388        telemetry: ActionLogTelemetry,
4389        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
4390        pending_edits: bool,
4391        cx: &Context<Self>,
4392    ) -> impl IntoElement {
4393        let editor_bg_color = cx.theme().colors().editor_background;
4394
4395        v_flex()
4396            .id("edited_files_list")
4397            .max_h_40()
4398            .overflow_y_scroll()
4399            .children(
4400                changed_buffers
4401                    .iter()
4402                    .enumerate()
4403                    .flat_map(|(index, (buffer, _diff))| {
4404                        let file = buffer.read(cx).file()?;
4405                        let path = file.path();
4406                        let path_style = file.path_style(cx);
4407                        let separator = file.path_style(cx).primary_separator();
4408
4409                        let file_path = path.parent().and_then(|parent| {
4410                            if parent.is_empty() {
4411                                None
4412                            } else {
4413                                Some(
4414                                    Label::new(format!(
4415                                        "{}{separator}",
4416                                        parent.display(path_style)
4417                                    ))
4418                                    .color(Color::Muted)
4419                                    .size(LabelSize::XSmall)
4420                                    .buffer_font(cx),
4421                                )
4422                            }
4423                        });
4424
4425                        let file_name = path.file_name().map(|name| {
4426                            Label::new(name.to_string())
4427                                .size(LabelSize::XSmall)
4428                                .buffer_font(cx)
4429                                .ml_1p5()
4430                        });
4431
4432                        let full_path = path.display(path_style).to_string();
4433
4434                        let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
4435                            .map(Icon::from_path)
4436                            .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
4437                            .unwrap_or_else(|| {
4438                                Icon::new(IconName::File)
4439                                    .color(Color::Muted)
4440                                    .size(IconSize::Small)
4441                            });
4442
4443                        let overlay_gradient = linear_gradient(
4444                            90.,
4445                            linear_color_stop(editor_bg_color, 1.),
4446                            linear_color_stop(editor_bg_color.opacity(0.2), 0.),
4447                        );
4448
4449                        let element = h_flex()
4450                            .group("edited-code")
4451                            .id(("file-container", index))
4452                            .py_1()
4453                            .pl_2()
4454                            .pr_1()
4455                            .gap_2()
4456                            .justify_between()
4457                            .bg(editor_bg_color)
4458                            .when(index < changed_buffers.len() - 1, |parent| {
4459                                parent.border_color(cx.theme().colors().border).border_b_1()
4460                            })
4461                            .child(
4462                                h_flex()
4463                                    .id(("file-name-row", index))
4464                                    .relative()
4465                                    .pr_8()
4466                                    .w_full()
4467                                    .child(
4468                                        h_flex()
4469                                            .id(("file-name-path", index))
4470                                            .cursor_pointer()
4471                                            .pr_0p5()
4472                                            .gap_0p5()
4473                                            .hover(|s| s.bg(cx.theme().colors().element_hover))
4474                                            .rounded_xs()
4475                                            .child(file_icon)
4476                                            .children(file_name)
4477                                            .children(file_path)
4478                                            .tooltip(move |_, cx| {
4479                                                Tooltip::with_meta(
4480                                                    "Go to File",
4481                                                    None,
4482                                                    full_path.clone(),
4483                                                    cx,
4484                                                )
4485                                            })
4486                                            .on_click({
4487                                                let buffer = buffer.clone();
4488                                                cx.listener(move |this, _, window, cx| {
4489                                                    this.open_edited_buffer(&buffer, window, cx);
4490                                                })
4491                                            }),
4492                                    )
4493                                    .child(
4494                                        div()
4495                                            .absolute()
4496                                            .h_full()
4497                                            .w_12()
4498                                            .top_0()
4499                                            .bottom_0()
4500                                            .right_0()
4501                                            .bg(overlay_gradient),
4502                                    ),
4503                            )
4504                            .child(
4505                                h_flex()
4506                                    .gap_1()
4507                                    .visible_on_hover("edited-code")
4508                                    .child(
4509                                        Button::new("review", "Review")
4510                                            .label_size(LabelSize::Small)
4511                                            .on_click({
4512                                                let buffer = buffer.clone();
4513                                                cx.listener(move |this, _, window, cx| {
4514                                                    this.open_edited_buffer(&buffer, window, cx);
4515                                                })
4516                                            }),
4517                                    )
4518                                    .child(Divider::vertical().color(DividerColor::BorderVariant))
4519                                    .child(
4520                                        Button::new("reject-file", "Reject")
4521                                            .label_size(LabelSize::Small)
4522                                            .disabled(pending_edits)
4523                                            .on_click({
4524                                                let buffer = buffer.clone();
4525                                                let action_log = action_log.clone();
4526                                                let telemetry = telemetry.clone();
4527                                                move |_, _, cx| {
4528                                                    action_log.update(cx, |action_log, cx| {
4529                                                        action_log
4530                                                    .reject_edits_in_ranges(
4531                                                        buffer.clone(),
4532                                                        vec![Anchor::min_max_range_for_buffer(
4533                                                            buffer.read(cx).remote_id(),
4534                                                        )],
4535                                                        Some(telemetry.clone()),
4536                                                        cx,
4537                                                    )
4538                                                    .detach_and_log_err(cx);
4539                                                    })
4540                                                }
4541                                            }),
4542                                    )
4543                                    .child(
4544                                        Button::new("keep-file", "Keep")
4545                                            .label_size(LabelSize::Small)
4546                                            .disabled(pending_edits)
4547                                            .on_click({
4548                                                let buffer = buffer.clone();
4549                                                let action_log = action_log.clone();
4550                                                let telemetry = telemetry.clone();
4551                                                move |_, _, cx| {
4552                                                    action_log.update(cx, |action_log, cx| {
4553                                                        action_log.keep_edits_in_range(
4554                                                            buffer.clone(),
4555                                                            Anchor::min_max_range_for_buffer(
4556                                                                buffer.read(cx).remote_id(),
4557                                                            ),
4558                                                            Some(telemetry.clone()),
4559                                                            cx,
4560                                                        );
4561                                                    })
4562                                                }
4563                                            }),
4564                                    ),
4565                            );
4566
4567                        Some(element)
4568                    }),
4569            )
4570            .into_any_element()
4571    }
4572
4573    fn render_message_queue_summary(
4574        &self,
4575        _window: &mut Window,
4576        cx: &Context<Self>,
4577    ) -> impl IntoElement {
4578        let queue_count = self.message_queue.len();
4579        let title: SharedString = if queue_count == 1 {
4580            "1 Queued Message".into()
4581        } else {
4582            format!("{} Queued Messages", queue_count).into()
4583        };
4584
4585        h_flex()
4586            .p_1()
4587            .w_full()
4588            .gap_1()
4589            .justify_between()
4590            .when(self.queue_expanded, |this| {
4591                this.border_b_1().border_color(cx.theme().colors().border)
4592            })
4593            .child(
4594                h_flex()
4595                    .id("queue_summary")
4596                    .gap_1()
4597                    .child(Disclosure::new("queue_disclosure", self.queue_expanded))
4598                    .child(Label::new(title).size(LabelSize::Small).color(Color::Muted))
4599                    .on_click(cx.listener(|this, _, _, cx| {
4600                        this.queue_expanded = !this.queue_expanded;
4601                        cx.notify();
4602                    })),
4603            )
4604            .child(
4605                Button::new("clear_queue", "Clear All")
4606                    .label_size(LabelSize::Small)
4607                    .key_binding(KeyBinding::for_action(&ClearMessageQueue, cx))
4608                    .on_click(cx.listener(|this, _, _, cx| {
4609                        this.message_queue.clear();
4610                        cx.notify();
4611                    })),
4612            )
4613    }
4614
4615    fn render_message_queue_entries(
4616        &self,
4617        _window: &mut Window,
4618        cx: &Context<Self>,
4619    ) -> impl IntoElement {
4620        let message_editor = self.message_editor.read(cx);
4621        let focus_handle = message_editor.focus_handle(cx);
4622
4623        v_flex()
4624            .id("message_queue_list")
4625            .max_h_40()
4626            .overflow_y_scroll()
4627            .children(
4628                self.message_queue
4629                    .iter()
4630                    .enumerate()
4631                    .map(|(index, queued)| {
4632                        let is_next = index == 0;
4633                        let icon_color = if is_next { Color::Accent } else { Color::Muted };
4634                        let queue_len = self.message_queue.len();
4635
4636                        let preview = queued
4637                            .content
4638                            .iter()
4639                            .find_map(|block| match block {
4640                                acp::ContentBlock::Text(text) => {
4641                                    text.text.lines().next().map(str::to_owned)
4642                                }
4643                                _ => None,
4644                            })
4645                            .unwrap_or_default();
4646
4647                        h_flex()
4648                            .group("queue_entry")
4649                            .w_full()
4650                            .p_1()
4651                            .pl_2()
4652                            .gap_1()
4653                            .justify_between()
4654                            .bg(cx.theme().colors().editor_background)
4655                            .when(index < queue_len - 1, |parent| {
4656                                parent.border_color(cx.theme().colors().border).border_b_1()
4657                            })
4658                            .child(
4659                                h_flex()
4660                                    .id(("queued_prompt", index))
4661                                    .min_w_0()
4662                                    .w_full()
4663                                    .gap_1p5()
4664                                    .child(
4665                                        Icon::new(IconName::Circle)
4666                                            .size(IconSize::Small)
4667                                            .color(icon_color),
4668                                    )
4669                                    .child(
4670                                        Label::new(preview)
4671                                            .size(LabelSize::XSmall)
4672                                            .color(Color::Muted)
4673                                            .buffer_font(cx)
4674                                            .truncate(),
4675                                    )
4676                                    .when(is_next, |this| {
4677                                        this.tooltip(Tooltip::text("Next Prompt in the Queue"))
4678                                    }),
4679                            )
4680                            .child(
4681                                h_flex()
4682                                    .flex_none()
4683                                    .gap_1()
4684                                    .visible_on_hover("queue_entry")
4685                                    .child(
4686                                        Button::new(("delete", index), "Remove")
4687                                            .label_size(LabelSize::Small)
4688                                            .on_click(cx.listener(move |this, _, _, cx| {
4689                                                if index < this.message_queue.len() {
4690                                                    this.message_queue.remove(index);
4691                                                    cx.notify();
4692                                                }
4693                                            })),
4694                                    )
4695                                    .child(
4696                                        Button::new(("send_now", index), "Send Now")
4697                                            .style(ButtonStyle::Outlined)
4698                                            .label_size(LabelSize::Small)
4699                                            .when(is_next, |this| {
4700                                                this.key_binding(
4701                                                    KeyBinding::for_action_in(
4702                                                        &SendNextQueuedMessage,
4703                                                        &focus_handle.clone(),
4704                                                        cx,
4705                                                    )
4706                                                    .map(|kb| kb.size(rems_from_px(10.))),
4707                                                )
4708                                            })
4709                                            .on_click(cx.listener(move |this, _, window, cx| {
4710                                                this.send_queued_message_at_index(
4711                                                    index, true, window, cx,
4712                                                );
4713                                            })),
4714                                    ),
4715                            )
4716                    }),
4717            )
4718            .into_any_element()
4719    }
4720
4721    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
4722        let focus_handle = self.message_editor.focus_handle(cx);
4723        let editor_bg_color = cx.theme().colors().editor_background;
4724        let (expand_icon, expand_tooltip) = if self.editor_expanded {
4725            (IconName::Minimize, "Minimize Message Editor")
4726        } else {
4727            (IconName::Maximize, "Expand Message Editor")
4728        };
4729
4730        let backdrop = div()
4731            .size_full()
4732            .absolute()
4733            .inset_0()
4734            .bg(cx.theme().colors().panel_background)
4735            .opacity(0.8)
4736            .block_mouse_except_scroll();
4737
4738        let enable_editor = match self.thread_state {
4739            ThreadState::Ready { .. } => true,
4740            ThreadState::Loading { .. }
4741            | ThreadState::Unauthenticated { .. }
4742            | ThreadState::LoadError(..) => false,
4743        };
4744
4745        v_flex()
4746            .on_action(cx.listener(Self::expand_message_editor))
4747            .p_2()
4748            .gap_2()
4749            .border_t_1()
4750            .border_color(cx.theme().colors().border)
4751            .bg(editor_bg_color)
4752            .when(self.editor_expanded, |this| {
4753                this.h(vh(0.8, window)).size_full().justify_between()
4754            })
4755            .child(
4756                v_flex()
4757                    .relative()
4758                    .size_full()
4759                    .pt_1()
4760                    .pr_2p5()
4761                    .child(self.message_editor.clone())
4762                    .child(
4763                        h_flex()
4764                            .absolute()
4765                            .top_0()
4766                            .right_0()
4767                            .opacity(0.5)
4768                            .hover(|this| this.opacity(1.0))
4769                            .child(
4770                                IconButton::new("toggle-height", expand_icon)
4771                                    .icon_size(IconSize::Small)
4772                                    .icon_color(Color::Muted)
4773                                    .tooltip({
4774                                        move |_window, cx| {
4775                                            Tooltip::for_action_in(
4776                                                expand_tooltip,
4777                                                &ExpandMessageEditor,
4778                                                &focus_handle,
4779                                                cx,
4780                                            )
4781                                        }
4782                                    })
4783                                    .on_click(cx.listener(|this, _, window, cx| {
4784                                        this.expand_message_editor(
4785                                            &ExpandMessageEditor,
4786                                            window,
4787                                            cx,
4788                                        );
4789                                    })),
4790                            ),
4791                    ),
4792            )
4793            .child(
4794                h_flex()
4795                    .flex_none()
4796                    .flex_wrap()
4797                    .justify_between()
4798                    .child(
4799                        h_flex()
4800                            .gap_0p5()
4801                            .child(self.render_add_context_button(cx))
4802                            .child(self.render_follow_toggle(cx))
4803                            .children(self.render_burn_mode_toggle(cx)),
4804                    )
4805                    .child(
4806                        h_flex()
4807                            .gap_1()
4808                            .children(self.render_token_usage(cx))
4809                            .children(self.profile_selector.clone())
4810                            // Either config_options_view OR (mode_selector + model_selector)
4811                            .children(self.config_options_view.clone())
4812                            .when(self.config_options_view.is_none(), |this| {
4813                                this.children(self.mode_selector().cloned())
4814                                    .children(self.model_selector.clone())
4815                            })
4816                            .child(self.render_send_button(cx)),
4817                    ),
4818            )
4819            .when(!enable_editor, |this| this.child(backdrop))
4820            .into_any()
4821    }
4822
4823    pub(crate) fn as_native_connection(
4824        &self,
4825        cx: &App,
4826    ) -> Option<Rc<agent::NativeAgentConnection>> {
4827        let acp_thread = self.thread()?.read(cx);
4828        acp_thread.connection().clone().downcast()
4829    }
4830
4831    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4832        let acp_thread = self.thread()?.read(cx);
4833        self.as_native_connection(cx)?
4834            .thread(acp_thread.session_id(), cx)
4835    }
4836
4837    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4838        self.as_native_thread(cx)
4839            .and_then(|thread| thread.read(cx).model())
4840            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4841    }
4842
4843    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4844        let thread = self.thread()?.read(cx);
4845        let usage = thread.token_usage()?;
4846        let is_generating = thread.status() != ThreadStatus::Idle;
4847
4848        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4849        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4850
4851        Some(
4852            h_flex()
4853                .flex_shrink_0()
4854                .gap_0p5()
4855                .mr_1p5()
4856                .child(
4857                    Label::new(used)
4858                        .size(LabelSize::Small)
4859                        .color(Color::Muted)
4860                        .map(|label| {
4861                            if is_generating {
4862                                label
4863                                    .with_animation(
4864                                        "used-tokens-label",
4865                                        Animation::new(Duration::from_secs(2))
4866                                            .repeat()
4867                                            .with_easing(pulsating_between(0.3, 0.8)),
4868                                        |label, delta| label.alpha(delta),
4869                                    )
4870                                    .into_any()
4871                            } else {
4872                                label.into_any_element()
4873                            }
4874                        }),
4875                )
4876                .child(
4877                    Label::new("/")
4878                        .size(LabelSize::Small)
4879                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4880                )
4881                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4882        )
4883    }
4884
4885    fn toggle_burn_mode(
4886        &mut self,
4887        _: &ToggleBurnMode,
4888        _window: &mut Window,
4889        cx: &mut Context<Self>,
4890    ) {
4891        let Some(thread) = self.as_native_thread(cx) else {
4892            return;
4893        };
4894
4895        thread.update(cx, |thread, cx| {
4896            let current_mode = thread.completion_mode();
4897            thread.set_completion_mode(
4898                match current_mode {
4899                    CompletionMode::Burn => CompletionMode::Normal,
4900                    CompletionMode::Normal => CompletionMode::Burn,
4901                },
4902                cx,
4903            );
4904        });
4905    }
4906
4907    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4908        let Some(thread) = self.thread() else {
4909            return;
4910        };
4911        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4912        let action_log = thread.read(cx).action_log().clone();
4913        action_log.update(cx, |action_log, cx| {
4914            action_log.keep_all_edits(Some(telemetry), cx)
4915        });
4916    }
4917
4918    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4919        let Some(thread) = self.thread() else {
4920            return;
4921        };
4922        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4923        let action_log = thread.read(cx).action_log().clone();
4924        action_log
4925            .update(cx, |action_log, cx| {
4926                action_log.reject_all_edits(Some(telemetry), cx)
4927            })
4928            .detach();
4929    }
4930
4931    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4932        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4933    }
4934
4935    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4936        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4937    }
4938
4939    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4940        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4941    }
4942
4943    fn authorize_pending_tool_call(
4944        &mut self,
4945        kind: acp::PermissionOptionKind,
4946        window: &mut Window,
4947        cx: &mut Context<Self>,
4948    ) -> Option<()> {
4949        let thread = self.thread()?.read(cx);
4950        let tool_call = thread.first_tool_awaiting_confirmation()?;
4951        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4952            return None;
4953        };
4954        let option = options.iter().find(|o| o.kind == kind)?;
4955
4956        self.authorize_tool_call(
4957            tool_call.id.clone(),
4958            option.option_id.clone(),
4959            option.kind,
4960            window,
4961            cx,
4962        );
4963
4964        Some(())
4965    }
4966
4967    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4968        let thread = self.as_native_thread(cx)?.read(cx);
4969
4970        if thread
4971            .model()
4972            .is_none_or(|model| !model.supports_burn_mode())
4973        {
4974            return None;
4975        }
4976
4977        let active_completion_mode = thread.completion_mode();
4978        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4979        let icon = if burn_mode_enabled {
4980            IconName::ZedBurnModeOn
4981        } else {
4982            IconName::ZedBurnMode
4983        };
4984
4985        Some(
4986            IconButton::new("burn-mode", icon)
4987                .icon_size(IconSize::Small)
4988                .icon_color(Color::Muted)
4989                .toggle_state(burn_mode_enabled)
4990                .selected_icon_color(Color::Error)
4991                .on_click(cx.listener(|this, _event, window, cx| {
4992                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4993                }))
4994                .tooltip(move |_window, cx| {
4995                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4996                        .into()
4997                })
4998                .into_any_element(),
4999        )
5000    }
5001
5002    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
5003        let message_editor = self.message_editor.read(cx);
5004        let is_editor_empty = message_editor.is_empty(cx);
5005        let focus_handle = message_editor.focus_handle(cx);
5006
5007        let is_generating = self
5008            .thread()
5009            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
5010
5011        if self.is_loading_contents {
5012            div()
5013                .id("loading-message-content")
5014                .px_1()
5015                .tooltip(Tooltip::text("Loading Added Context…"))
5016                .child(loading_contents_spinner(IconSize::default()))
5017                .into_any_element()
5018        } else if is_generating && is_editor_empty {
5019            IconButton::new("stop-generation", IconName::Stop)
5020                .icon_color(Color::Error)
5021                .style(ButtonStyle::Tinted(TintColor::Error))
5022                .tooltip(move |_window, cx| {
5023                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
5024                })
5025                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
5026                .into_any_element()
5027        } else {
5028            IconButton::new("send-message", IconName::Send)
5029                .style(ButtonStyle::Filled)
5030                .map(|this| {
5031                    if is_editor_empty && !is_generating {
5032                        this.disabled(true).icon_color(Color::Muted)
5033                    } else {
5034                        this.icon_color(Color::Accent)
5035                    }
5036                })
5037                .tooltip(move |_window, cx| {
5038                    if is_editor_empty && !is_generating {
5039                        Tooltip::for_action("Type to Send", &Chat, cx)
5040                    } else {
5041                        let title = if is_generating {
5042                            "Stop and Send Message"
5043                        } else {
5044                            "Send"
5045                        };
5046
5047                        let focus_handle = focus_handle.clone();
5048
5049                        Tooltip::element(move |_window, cx| {
5050                            v_flex()
5051                                .gap_1()
5052                                .child(
5053                                    h_flex()
5054                                        .gap_2()
5055                                        .justify_between()
5056                                        .child(Label::new(title))
5057                                        .child(KeyBinding::for_action_in(&Chat, &focus_handle, cx)),
5058                                )
5059                                .child(
5060                                    h_flex()
5061                                        .pt_1()
5062                                        .gap_2()
5063                                        .justify_between()
5064                                        .border_t_1()
5065                                        .border_color(cx.theme().colors().border_variant)
5066                                        .child(Label::new("Queue Message"))
5067                                        .child(KeyBinding::for_action_in(
5068                                            &QueueMessage,
5069                                            &focus_handle,
5070                                            cx,
5071                                        )),
5072                                )
5073                                .into_any_element()
5074                        })(_window, cx)
5075                    }
5076                })
5077                .on_click(cx.listener(|this, _, window, cx| {
5078                    this.send(window, cx);
5079                }))
5080                .into_any_element()
5081        }
5082    }
5083
5084    fn is_following(&self, cx: &App) -> bool {
5085        match self.thread().map(|thread| thread.read(cx).status()) {
5086            Some(ThreadStatus::Generating) => self
5087                .workspace
5088                .read_with(cx, |workspace, _| {
5089                    workspace.is_being_followed(CollaboratorId::Agent)
5090                })
5091                .unwrap_or(false),
5092            _ => self.should_be_following,
5093        }
5094    }
5095
5096    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5097        let following = self.is_following(cx);
5098
5099        self.should_be_following = !following;
5100        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
5101            self.workspace
5102                .update(cx, |workspace, cx| {
5103                    if following {
5104                        workspace.unfollow(CollaboratorId::Agent, window, cx);
5105                    } else {
5106                        workspace.follow(CollaboratorId::Agent, window, cx);
5107                    }
5108                })
5109                .ok();
5110        }
5111
5112        telemetry::event!("Follow Agent Selected", following = !following);
5113    }
5114
5115    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
5116        let following = self.is_following(cx);
5117
5118        let tooltip_label = if following {
5119            if self.agent.name() == "Zed Agent" {
5120                format!("Stop Following the {}", self.agent.name())
5121            } else {
5122                format!("Stop Following {}", self.agent.name())
5123            }
5124        } else {
5125            if self.agent.name() == "Zed Agent" {
5126                format!("Follow the {}", self.agent.name())
5127            } else {
5128                format!("Follow {}", self.agent.name())
5129            }
5130        };
5131
5132        IconButton::new("follow-agent", IconName::Crosshair)
5133            .icon_size(IconSize::Small)
5134            .icon_color(Color::Muted)
5135            .toggle_state(following)
5136            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
5137            .tooltip(move |_window, cx| {
5138                if following {
5139                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
5140                } else {
5141                    Tooltip::with_meta(
5142                        tooltip_label.clone(),
5143                        Some(&Follow),
5144                        "Track the agent's location as it reads and edits files.",
5145                        cx,
5146                    )
5147                }
5148            })
5149            .on_click(cx.listener(move |this, _, window, cx| {
5150                this.toggle_following(window, cx);
5151            }))
5152    }
5153
5154    fn render_add_context_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5155        let message_editor = self.message_editor.clone();
5156        let menu_visible = message_editor.read(cx).is_completions_menu_visible(cx);
5157
5158        IconButton::new("add-context", IconName::AtSign)
5159            .icon_size(IconSize::Small)
5160            .icon_color(Color::Muted)
5161            .when(!menu_visible, |this| {
5162                this.tooltip(move |_window, cx| {
5163                    Tooltip::with_meta("Add Context", None, "Or type @ to include context", cx)
5164                })
5165            })
5166            .on_click(cx.listener(move |_this, _, window, cx| {
5167                let message_editor_clone = message_editor.clone();
5168
5169                window.defer(cx, move |window, cx| {
5170                    message_editor_clone.update(cx, |message_editor, cx| {
5171                        message_editor.trigger_completion_menu(window, cx);
5172                    });
5173                });
5174            }))
5175    }
5176
5177    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
5178        let workspace = self.workspace.clone();
5179        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
5180            Self::open_link(text, &workspace, window, cx);
5181        })
5182    }
5183
5184    fn open_link(
5185        url: SharedString,
5186        workspace: &WeakEntity<Workspace>,
5187        window: &mut Window,
5188        cx: &mut App,
5189    ) {
5190        let Some(workspace) = workspace.upgrade() else {
5191            cx.open_url(&url);
5192            return;
5193        };
5194
5195        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
5196        {
5197            workspace.update(cx, |workspace, cx| match mention {
5198                MentionUri::File { abs_path } => {
5199                    let project = workspace.project();
5200                    let Some(path) =
5201                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
5202                    else {
5203                        return;
5204                    };
5205
5206                    workspace
5207                        .open_path(path, None, true, window, cx)
5208                        .detach_and_log_err(cx);
5209                }
5210                MentionUri::PastedImage => {}
5211                MentionUri::Directory { abs_path } => {
5212                    let project = workspace.project();
5213                    let Some(entry_id) = project.update(cx, |project, cx| {
5214                        let path = project.find_project_path(abs_path, cx)?;
5215                        project.entry_for_path(&path, cx).map(|entry| entry.id)
5216                    }) else {
5217                        return;
5218                    };
5219
5220                    project.update(cx, |_, cx| {
5221                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
5222                    });
5223                }
5224                MentionUri::Symbol {
5225                    abs_path: path,
5226                    line_range,
5227                    ..
5228                }
5229                | MentionUri::Selection {
5230                    abs_path: Some(path),
5231                    line_range,
5232                } => {
5233                    let project = workspace.project();
5234                    let Some(path) =
5235                        project.update(cx, |project, cx| project.find_project_path(path, cx))
5236                    else {
5237                        return;
5238                    };
5239
5240                    let item = workspace.open_path(path, None, true, window, cx);
5241                    window
5242                        .spawn(cx, async move |cx| {
5243                            let Some(editor) = item.await?.downcast::<Editor>() else {
5244                                return Ok(());
5245                            };
5246                            let range = Point::new(*line_range.start(), 0)
5247                                ..Point::new(*line_range.start(), 0);
5248                            editor
5249                                .update_in(cx, |editor, window, cx| {
5250                                    editor.change_selections(
5251                                        SelectionEffects::scroll(Autoscroll::center()),
5252                                        window,
5253                                        cx,
5254                                        |s| s.select_ranges(vec![range]),
5255                                    );
5256                                })
5257                                .ok();
5258                            anyhow::Ok(())
5259                        })
5260                        .detach_and_log_err(cx);
5261                }
5262                MentionUri::Selection { abs_path: None, .. } => {}
5263                MentionUri::Thread { id, name } => {
5264                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
5265                        panel.update(cx, |panel, cx| {
5266                            panel.load_agent_thread(
5267                                DbThreadMetadata {
5268                                    id,
5269                                    title: name.into(),
5270                                    updated_at: Default::default(),
5271                                },
5272                                window,
5273                                cx,
5274                            )
5275                        });
5276                    }
5277                }
5278                MentionUri::TextThread { path, .. } => {
5279                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
5280                        panel.update(cx, |panel, cx| {
5281                            panel
5282                                .open_saved_text_thread(path.as_path().into(), window, cx)
5283                                .detach_and_log_err(cx);
5284                        });
5285                    }
5286                }
5287                MentionUri::Rule { id, .. } => {
5288                    let PromptId::User { uuid } = id else {
5289                        return;
5290                    };
5291                    window.dispatch_action(
5292                        Box::new(OpenRulesLibrary {
5293                            prompt_to_select: Some(uuid.0),
5294                        }),
5295                        cx,
5296                    )
5297                }
5298                MentionUri::Fetch { url } => {
5299                    cx.open_url(url.as_str());
5300                }
5301            })
5302        } else {
5303            cx.open_url(&url);
5304        }
5305    }
5306
5307    fn open_tool_call_location(
5308        &self,
5309        entry_ix: usize,
5310        location_ix: usize,
5311        window: &mut Window,
5312        cx: &mut Context<Self>,
5313    ) -> Option<()> {
5314        let (tool_call_location, agent_location) = self
5315            .thread()?
5316            .read(cx)
5317            .entries()
5318            .get(entry_ix)?
5319            .location(location_ix)?;
5320
5321        let project_path = self
5322            .project
5323            .read(cx)
5324            .find_project_path(&tool_call_location.path, cx)?;
5325
5326        let open_task = self
5327            .workspace
5328            .update(cx, |workspace, cx| {
5329                workspace.open_path(project_path, None, true, window, cx)
5330            })
5331            .log_err()?;
5332        window
5333            .spawn(cx, async move |cx| {
5334                let item = open_task.await?;
5335
5336                let Some(active_editor) = item.downcast::<Editor>() else {
5337                    return anyhow::Ok(());
5338                };
5339
5340                active_editor.update_in(cx, |editor, window, cx| {
5341                    let multibuffer = editor.buffer().read(cx);
5342                    let buffer = multibuffer.as_singleton();
5343                    if agent_location.buffer.upgrade() == buffer {
5344                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
5345                        let anchor =
5346                            editor::Anchor::in_buffer(excerpt_id.unwrap(), agent_location.position);
5347                        editor.change_selections(Default::default(), window, cx, |selections| {
5348                            selections.select_anchor_ranges([anchor..anchor]);
5349                        })
5350                    } else {
5351                        let row = tool_call_location.line.unwrap_or_default();
5352                        editor.change_selections(Default::default(), window, cx, |selections| {
5353                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
5354                        })
5355                    }
5356                })?;
5357
5358                anyhow::Ok(())
5359            })
5360            .detach_and_log_err(cx);
5361
5362        None
5363    }
5364
5365    pub fn open_thread_as_markdown(
5366        &self,
5367        workspace: Entity<Workspace>,
5368        window: &mut Window,
5369        cx: &mut App,
5370    ) -> Task<Result<()>> {
5371        let markdown_language_task = workspace
5372            .read(cx)
5373            .app_state()
5374            .languages
5375            .language_for_name("Markdown");
5376
5377        let (thread_title, markdown) = if let Some(thread) = self.thread() {
5378            let thread = thread.read(cx);
5379            (thread.title().to_string(), thread.to_markdown(cx))
5380        } else {
5381            return Task::ready(Ok(()));
5382        };
5383
5384        let project = workspace.read(cx).project().clone();
5385        window.spawn(cx, async move |cx| {
5386            let markdown_language = markdown_language_task.await?;
5387
5388            let buffer = project
5389                .update(cx, |project, cx| project.create_buffer(false, cx))?
5390                .await?;
5391
5392            buffer.update(cx, |buffer, cx| {
5393                buffer.set_text(markdown, cx);
5394                buffer.set_language(Some(markdown_language), cx);
5395                buffer.set_capability(language::Capability::ReadWrite, cx);
5396            })?;
5397
5398            workspace.update_in(cx, |workspace, window, cx| {
5399                let buffer = cx
5400                    .new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_title.clone()));
5401
5402                workspace.add_item_to_active_pane(
5403                    Box::new(cx.new(|cx| {
5404                        let mut editor =
5405                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
5406                        editor.set_breadcrumb_header(thread_title);
5407                        editor
5408                    })),
5409                    None,
5410                    true,
5411                    window,
5412                    cx,
5413                );
5414            })?;
5415            anyhow::Ok(())
5416        })
5417    }
5418
5419    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
5420        self.list_state.scroll_to(ListOffset::default());
5421        cx.notify();
5422    }
5423
5424    fn scroll_to_most_recent_user_prompt(&mut self, cx: &mut Context<Self>) {
5425        let Some(thread) = self.thread() else {
5426            return;
5427        };
5428
5429        let entries = thread.read(cx).entries();
5430        if entries.is_empty() {
5431            return;
5432        }
5433
5434        // Find the most recent user message and scroll it to the top of the viewport.
5435        // (Fallback: if no user message exists, scroll to the bottom.)
5436        if let Some(ix) = entries
5437            .iter()
5438            .rposition(|entry| matches!(entry, AgentThreadEntry::UserMessage(_)))
5439        {
5440            self.list_state.scroll_to(ListOffset {
5441                item_ix: ix,
5442                offset_in_item: px(0.0),
5443            });
5444            cx.notify();
5445        } else {
5446            self.scroll_to_bottom(cx);
5447        }
5448    }
5449
5450    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
5451        if let Some(thread) = self.thread() {
5452            let entry_count = thread.read(cx).entries().len();
5453            self.list_state.reset(entry_count);
5454            cx.notify();
5455        }
5456    }
5457
5458    fn notify_with_sound(
5459        &mut self,
5460        caption: impl Into<SharedString>,
5461        icon: IconName,
5462        window: &mut Window,
5463        cx: &mut Context<Self>,
5464    ) {
5465        self.play_notification_sound(window, cx);
5466        self.show_notification(caption, icon, window, cx);
5467    }
5468
5469    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
5470        let settings = AgentSettings::get_global(cx);
5471        if settings.play_sound_when_agent_done && !window.is_window_active() {
5472            Audio::play_sound(Sound::AgentDone, cx);
5473        }
5474    }
5475
5476    fn show_notification(
5477        &mut self,
5478        caption: impl Into<SharedString>,
5479        icon: IconName,
5480        window: &mut Window,
5481        cx: &mut Context<Self>,
5482    ) {
5483        if !self.notifications.is_empty() {
5484            return;
5485        }
5486
5487        let settings = AgentSettings::get_global(cx);
5488
5489        let window_is_inactive = !window.is_window_active();
5490        let panel_is_hidden = self
5491            .workspace
5492            .upgrade()
5493            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
5494            .unwrap_or(true);
5495
5496        let should_notify = window_is_inactive || panel_is_hidden;
5497
5498        if !should_notify {
5499            return;
5500        }
5501
5502        // TODO: Change this once we have title summarization for external agents.
5503        let title = self.agent.name();
5504
5505        match settings.notify_when_agent_waiting {
5506            NotifyWhenAgentWaiting::PrimaryScreen => {
5507                if let Some(primary) = cx.primary_display() {
5508                    self.pop_up(icon, caption.into(), title, window, primary, cx);
5509                }
5510            }
5511            NotifyWhenAgentWaiting::AllScreens => {
5512                let caption = caption.into();
5513                for screen in cx.displays() {
5514                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
5515                }
5516            }
5517            NotifyWhenAgentWaiting::Never => {
5518                // Don't show anything
5519            }
5520        }
5521    }
5522
5523    fn pop_up(
5524        &mut self,
5525        icon: IconName,
5526        caption: SharedString,
5527        title: SharedString,
5528        window: &mut Window,
5529        screen: Rc<dyn PlatformDisplay>,
5530        cx: &mut Context<Self>,
5531    ) {
5532        let options = AgentNotification::window_options(screen, cx);
5533
5534        let project_name = self.workspace.upgrade().and_then(|workspace| {
5535            workspace
5536                .read(cx)
5537                .project()
5538                .read(cx)
5539                .visible_worktrees(cx)
5540                .next()
5541                .map(|worktree| worktree.read(cx).root_name_str().to_string())
5542        });
5543
5544        if let Some(screen_window) = cx
5545            .open_window(options, |_window, cx| {
5546                cx.new(|_cx| {
5547                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
5548                })
5549            })
5550            .log_err()
5551            && let Some(pop_up) = screen_window.entity(cx).log_err()
5552        {
5553            self.notification_subscriptions
5554                .entry(screen_window)
5555                .or_insert_with(Vec::new)
5556                .push(cx.subscribe_in(&pop_up, window, {
5557                    |this, _, event, window, cx| match event {
5558                        AgentNotificationEvent::Accepted => {
5559                            let handle = window.window_handle();
5560                            cx.activate(true);
5561
5562                            let workspace_handle = this.workspace.clone();
5563
5564                            // If there are multiple Zed windows, activate the correct one.
5565                            cx.defer(move |cx| {
5566                                handle
5567                                    .update(cx, |_view, window, _cx| {
5568                                        window.activate_window();
5569
5570                                        if let Some(workspace) = workspace_handle.upgrade() {
5571                                            workspace.update(_cx, |workspace, cx| {
5572                                                workspace.focus_panel::<AgentPanel>(window, cx);
5573                                            });
5574                                        }
5575                                    })
5576                                    .log_err();
5577                            });
5578
5579                            this.dismiss_notifications(cx);
5580                        }
5581                        AgentNotificationEvent::Dismissed => {
5582                            this.dismiss_notifications(cx);
5583                        }
5584                    }
5585                }));
5586
5587            self.notifications.push(screen_window);
5588
5589            // If the user manually refocuses the original window, dismiss the popup.
5590            self.notification_subscriptions
5591                .entry(screen_window)
5592                .or_insert_with(Vec::new)
5593                .push({
5594                    let pop_up_weak = pop_up.downgrade();
5595
5596                    cx.observe_window_activation(window, move |_, window, cx| {
5597                        if window.is_window_active()
5598                            && let Some(pop_up) = pop_up_weak.upgrade()
5599                        {
5600                            pop_up.update(cx, |_, cx| {
5601                                cx.emit(AgentNotificationEvent::Dismissed);
5602                            });
5603                        }
5604                    })
5605                });
5606        }
5607    }
5608
5609    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
5610        for window in self.notifications.drain(..) {
5611            window
5612                .update(cx, |_, window, _| {
5613                    window.remove_window();
5614                })
5615                .ok();
5616
5617            self.notification_subscriptions.remove(&window);
5618        }
5619    }
5620
5621    fn render_generating(&self, confirmation: bool) -> impl IntoElement {
5622        h_flex()
5623            .id("generating-spinner")
5624            .py_2()
5625            .px(rems_from_px(22.))
5626            .map(|this| {
5627                if confirmation {
5628                    this.gap_2()
5629                        .child(
5630                            h_flex()
5631                                .w_2()
5632                                .child(SpinnerLabel::sand().size(LabelSize::Small)),
5633                        )
5634                        .child(
5635                            LoadingLabel::new("Waiting Confirmation")
5636                                .size(LabelSize::Small)
5637                                .color(Color::Muted),
5638                        )
5639                } else {
5640                    this.child(SpinnerLabel::new().size(LabelSize::Small))
5641                }
5642            })
5643            .into_any_element()
5644    }
5645
5646    fn render_thread_controls(
5647        &self,
5648        thread: &Entity<AcpThread>,
5649        cx: &Context<Self>,
5650    ) -> impl IntoElement {
5651        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
5652        if is_generating {
5653            return self.render_generating(false).into_any_element();
5654        }
5655
5656        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
5657            .shape(ui::IconButtonShape::Square)
5658            .icon_size(IconSize::Small)
5659            .icon_color(Color::Ignored)
5660            .tooltip(Tooltip::text("Open Thread as Markdown"))
5661            .on_click(cx.listener(move |this, _, window, cx| {
5662                if let Some(workspace) = this.workspace.upgrade() {
5663                    this.open_thread_as_markdown(workspace, window, cx)
5664                        .detach_and_log_err(cx);
5665                }
5666            }));
5667
5668        let scroll_to_recent_user_prompt =
5669            IconButton::new("scroll_to_recent_user_prompt", IconName::ForwardArrow)
5670                .shape(ui::IconButtonShape::Square)
5671                .icon_size(IconSize::Small)
5672                .icon_color(Color::Ignored)
5673                .tooltip(Tooltip::text("Scroll To Most Recent User Prompt"))
5674                .on_click(cx.listener(move |this, _, _, cx| {
5675                    this.scroll_to_most_recent_user_prompt(cx);
5676                }));
5677
5678        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
5679            .shape(ui::IconButtonShape::Square)
5680            .icon_size(IconSize::Small)
5681            .icon_color(Color::Ignored)
5682            .tooltip(Tooltip::text("Scroll To Top"))
5683            .on_click(cx.listener(move |this, _, _, cx| {
5684                this.scroll_to_top(cx);
5685            }));
5686
5687        let mut container = h_flex()
5688            .w_full()
5689            .py_2()
5690            .px_5()
5691            .gap_px()
5692            .opacity(0.6)
5693            .hover(|s| s.opacity(1.))
5694            .justify_end();
5695
5696        if AgentSettings::get_global(cx).enable_feedback
5697            && self
5698                .thread()
5699                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
5700        {
5701            let feedback = self.thread_feedback.feedback;
5702
5703            let tooltip_meta = || {
5704                SharedString::new(
5705                    "Rating the thread sends all of your current conversation to the Zed team.",
5706                )
5707            };
5708
5709            container = container
5710                .child(
5711                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
5712                        .shape(ui::IconButtonShape::Square)
5713                        .icon_size(IconSize::Small)
5714                        .icon_color(match feedback {
5715                            Some(ThreadFeedback::Positive) => Color::Accent,
5716                            _ => Color::Ignored,
5717                        })
5718                        .tooltip(move |window, cx| match feedback {
5719                            Some(ThreadFeedback::Positive) => {
5720                                Tooltip::text("Thanks for your feedback!")(window, cx)
5721                            }
5722                            _ => Tooltip::with_meta("Helpful Response", None, tooltip_meta(), cx),
5723                        })
5724                        .on_click(cx.listener(move |this, _, window, cx| {
5725                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
5726                        })),
5727                )
5728                .child(
5729                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
5730                        .shape(ui::IconButtonShape::Square)
5731                        .icon_size(IconSize::Small)
5732                        .icon_color(match feedback {
5733                            Some(ThreadFeedback::Negative) => Color::Accent,
5734                            _ => Color::Ignored,
5735                        })
5736                        .tooltip(move |window, cx| match feedback {
5737                            Some(ThreadFeedback::Negative) => {
5738                                Tooltip::text(
5739                                    "We appreciate your feedback and will use it to improve in the future.",
5740                                )(window, cx)
5741                            }
5742                            _ => {
5743                                Tooltip::with_meta("Not Helpful Response", None, tooltip_meta(), cx)
5744                            }
5745                        })
5746                        .on_click(cx.listener(move |this, _, window, cx| {
5747                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
5748                        })),
5749                );
5750        }
5751
5752        container
5753            .child(open_as_markdown)
5754            .child(scroll_to_recent_user_prompt)
5755            .child(scroll_to_top)
5756            .into_any_element()
5757    }
5758
5759    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
5760        h_flex()
5761            .key_context("AgentFeedbackMessageEditor")
5762            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
5763                this.thread_feedback.dismiss_comments();
5764                cx.notify();
5765            }))
5766            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
5767                this.submit_feedback_message(cx);
5768            }))
5769            .p_2()
5770            .mb_2()
5771            .mx_5()
5772            .gap_1()
5773            .rounded_md()
5774            .border_1()
5775            .border_color(cx.theme().colors().border)
5776            .bg(cx.theme().colors().editor_background)
5777            .child(div().w_full().child(editor))
5778            .child(
5779                h_flex()
5780                    .child(
5781                        IconButton::new("dismiss-feedback-message", IconName::Close)
5782                            .icon_color(Color::Error)
5783                            .icon_size(IconSize::XSmall)
5784                            .shape(ui::IconButtonShape::Square)
5785                            .on_click(cx.listener(move |this, _, _window, cx| {
5786                                this.thread_feedback.dismiss_comments();
5787                                cx.notify();
5788                            })),
5789                    )
5790                    .child(
5791                        IconButton::new("submit-feedback-message", IconName::Return)
5792                            .icon_size(IconSize::XSmall)
5793                            .shape(ui::IconButtonShape::Square)
5794                            .on_click(cx.listener(move |this, _, _window, cx| {
5795                                this.submit_feedback_message(cx);
5796                            })),
5797                    ),
5798            )
5799    }
5800
5801    fn handle_feedback_click(
5802        &mut self,
5803        feedback: ThreadFeedback,
5804        window: &mut Window,
5805        cx: &mut Context<Self>,
5806    ) {
5807        let Some(thread) = self.thread().cloned() else {
5808            return;
5809        };
5810
5811        self.thread_feedback.submit(thread, feedback, window, cx);
5812        cx.notify();
5813    }
5814
5815    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
5816        let Some(thread) = self.thread().cloned() else {
5817            return;
5818        };
5819
5820        self.thread_feedback.submit_comments(thread, cx);
5821        cx.notify();
5822    }
5823
5824    fn render_token_limit_callout(&self, cx: &mut Context<Self>) -> Option<Callout> {
5825        if self.token_limit_callout_dismissed {
5826            return None;
5827        }
5828
5829        let token_usage = self.thread()?.read(cx).token_usage()?;
5830        let ratio = token_usage.ratio();
5831
5832        let (severity, icon, title) = match ratio {
5833            acp_thread::TokenUsageRatio::Normal => return None,
5834            acp_thread::TokenUsageRatio::Warning => (
5835                Severity::Warning,
5836                IconName::Warning,
5837                "Thread reaching the token limit soon",
5838            ),
5839            acp_thread::TokenUsageRatio::Exceeded => (
5840                Severity::Error,
5841                IconName::XCircle,
5842                "Thread reached the token limit",
5843            ),
5844        };
5845
5846        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
5847            thread.read(cx).completion_mode() == CompletionMode::Normal
5848                && thread
5849                    .read(cx)
5850                    .model()
5851                    .is_some_and(|model| model.supports_burn_mode())
5852        });
5853
5854        let description = if burn_mode_available {
5855            "To continue, start a new thread from a summary or turn Burn Mode on."
5856        } else {
5857            "To continue, start a new thread from a summary."
5858        };
5859
5860        Some(
5861            Callout::new()
5862                .severity(severity)
5863                .icon(icon)
5864                .title(title)
5865                .description(description)
5866                .actions_slot(
5867                    h_flex()
5868                        .gap_0p5()
5869                        .child(
5870                            Button::new("start-new-thread", "Start New Thread")
5871                                .label_size(LabelSize::Small)
5872                                .on_click(cx.listener(|this, _, window, cx| {
5873                                    let Some(thread) = this.thread() else {
5874                                        return;
5875                                    };
5876                                    let session_id = thread.read(cx).session_id().clone();
5877                                    window.dispatch_action(
5878                                        crate::NewNativeAgentThreadFromSummary {
5879                                            from_session_id: session_id,
5880                                        }
5881                                        .boxed_clone(),
5882                                        cx,
5883                                    );
5884                                })),
5885                        )
5886                        .when(burn_mode_available, |this| {
5887                            this.child(
5888                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
5889                                    .icon_size(IconSize::XSmall)
5890                                    .on_click(cx.listener(|this, _event, window, cx| {
5891                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5892                                    })),
5893                            )
5894                        }),
5895                )
5896                .dismiss_action(self.dismiss_error_button(cx)),
5897        )
5898    }
5899
5900    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
5901        if !self.is_using_zed_ai_models(cx) {
5902            return None;
5903        }
5904
5905        let user_store = self.project.read(cx).user_store().read(cx);
5906        if user_store.is_usage_based_billing_enabled() {
5907            return None;
5908        }
5909
5910        let plan = user_store
5911            .plan()
5912            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
5913
5914        let usage = user_store.model_request_usage()?;
5915
5916        Some(
5917            div()
5918                .child(UsageCallout::new(plan, usage))
5919                .line_height(line_height),
5920        )
5921    }
5922
5923    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
5924        self.entry_view_state.update(cx, |entry_view_state, cx| {
5925            entry_view_state.agent_ui_font_size_changed(cx);
5926        });
5927    }
5928
5929    pub(crate) fn insert_dragged_files(
5930        &self,
5931        paths: Vec<project::ProjectPath>,
5932        added_worktrees: Vec<Entity<project::Worktree>>,
5933        window: &mut Window,
5934        cx: &mut Context<Self>,
5935    ) {
5936        self.message_editor.update(cx, |message_editor, cx| {
5937            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5938        })
5939    }
5940
5941    /// Inserts the selected text into the message editor or the message being
5942    /// edited, if any.
5943    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5944        self.active_editor(cx).update(cx, |editor, cx| {
5945            editor.insert_selections(window, cx);
5946        });
5947    }
5948
5949    fn render_thread_retry_status_callout(
5950        &self,
5951        _window: &mut Window,
5952        _cx: &mut Context<Self>,
5953    ) -> Option<Callout> {
5954        let state = self.thread_retry_status.as_ref()?;
5955
5956        let next_attempt_in = state
5957            .duration
5958            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5959        if next_attempt_in.is_zero() {
5960            return None;
5961        }
5962
5963        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5964
5965        let retry_message = if state.max_attempts == 1 {
5966            if next_attempt_in_secs == 1 {
5967                "Retrying. Next attempt in 1 second.".to_string()
5968            } else {
5969                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5970            }
5971        } else if next_attempt_in_secs == 1 {
5972            format!(
5973                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5974                state.attempt, state.max_attempts,
5975            )
5976        } else {
5977            format!(
5978                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5979                state.attempt, state.max_attempts,
5980            )
5981        };
5982
5983        Some(
5984            Callout::new()
5985                .severity(Severity::Warning)
5986                .title(state.last_error.clone())
5987                .description(retry_message),
5988        )
5989    }
5990
5991    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Callout {
5992        Callout::new()
5993            .icon(IconName::Warning)
5994            .severity(Severity::Warning)
5995            .title("Codex on Windows")
5996            .description("For best performance, run Codex in Windows Subsystem for Linux (WSL2)")
5997            .actions_slot(
5998                Button::new("open-wsl-modal", "Open in WSL")
5999                    .icon_size(IconSize::Small)
6000                    .icon_color(Color::Muted)
6001                    .on_click(cx.listener({
6002                        move |_, _, _window, cx| {
6003                            #[cfg(windows)]
6004                            _window.dispatch_action(
6005                                zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
6006                                cx,
6007                            );
6008                            cx.notify();
6009                        }
6010                    })),
6011            )
6012            .dismiss_action(
6013                IconButton::new("dismiss", IconName::Close)
6014                    .icon_size(IconSize::Small)
6015                    .icon_color(Color::Muted)
6016                    .tooltip(Tooltip::text("Dismiss Warning"))
6017                    .on_click(cx.listener({
6018                        move |this, _, _, cx| {
6019                            this.show_codex_windows_warning = false;
6020                            cx.notify();
6021                        }
6022                    })),
6023            )
6024    }
6025
6026    fn render_thread_error(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
6027        let content = match self.thread_error.as_ref()? {
6028            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), window, cx),
6029            ThreadError::Refusal => self.render_refusal_error(cx),
6030            ThreadError::AuthenticationRequired(error) => {
6031                self.render_authentication_required_error(error.clone(), cx)
6032            }
6033            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
6034            ThreadError::ModelRequestLimitReached(plan) => {
6035                self.render_model_request_limit_reached_error(*plan, cx)
6036            }
6037            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
6038        };
6039
6040        Some(div().child(content))
6041    }
6042
6043    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
6044        v_flex().w_full().justify_end().child(
6045            h_flex()
6046                .p_2()
6047                .pr_3()
6048                .w_full()
6049                .gap_1p5()
6050                .border_t_1()
6051                .border_color(cx.theme().colors().border)
6052                .bg(cx.theme().colors().element_background)
6053                .child(
6054                    h_flex()
6055                        .flex_1()
6056                        .gap_1p5()
6057                        .child(
6058                            Icon::new(IconName::Download)
6059                                .color(Color::Accent)
6060                                .size(IconSize::Small),
6061                        )
6062                        .child(Label::new("New version available").size(LabelSize::Small)),
6063                )
6064                .child(
6065                    Button::new("update-button", format!("Update to v{}", version))
6066                        .label_size(LabelSize::Small)
6067                        .style(ButtonStyle::Tinted(TintColor::Accent))
6068                        .on_click(cx.listener(|this, _, window, cx| {
6069                            this.reset(window, cx);
6070                        })),
6071                ),
6072        )
6073    }
6074
6075    fn current_mode_id(&self, cx: &App) -> Option<Arc<str>> {
6076        if let Some(thread) = self.as_native_thread(cx) {
6077            Some(thread.read(cx).profile().0.clone())
6078        } else if let Some(mode_selector) = self.mode_selector() {
6079            Some(mode_selector.read(cx).mode().0)
6080        } else {
6081            None
6082        }
6083    }
6084
6085    fn current_model_id(&self, cx: &App) -> Option<String> {
6086        self.model_selector
6087            .as_ref()
6088            .and_then(|selector| selector.read(cx).active_model(cx).map(|m| m.id.to_string()))
6089    }
6090
6091    fn current_model_name(&self, cx: &App) -> SharedString {
6092        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
6093        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
6094        // This provides better clarity about what refused the request
6095        if self.as_native_connection(cx).is_some() {
6096            self.model_selector
6097                .as_ref()
6098                .and_then(|selector| selector.read(cx).active_model(cx))
6099                .map(|model| model.name.clone())
6100                .unwrap_or_else(|| SharedString::from("The model"))
6101        } else {
6102            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
6103            self.agent.name()
6104        }
6105    }
6106
6107    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
6108        let model_or_agent_name = self.current_model_name(cx);
6109        let refusal_message = format!(
6110            "{} refused to respond to this prompt. This can happen when a model believes the prompt violates its content policy or safety guidelines, so rephrasing it can sometimes address the issue.",
6111            model_or_agent_name
6112        );
6113
6114        Callout::new()
6115            .severity(Severity::Error)
6116            .title("Request Refused")
6117            .icon(IconName::XCircle)
6118            .description(refusal_message.clone())
6119            .actions_slot(self.create_copy_button(&refusal_message))
6120            .dismiss_action(self.dismiss_error_button(cx))
6121    }
6122
6123    fn render_any_thread_error(
6124        &mut self,
6125        error: SharedString,
6126        window: &mut Window,
6127        cx: &mut Context<'_, Self>,
6128    ) -> Callout {
6129        let can_resume = self
6130            .thread()
6131            .map_or(false, |thread| thread.read(cx).can_resume(cx));
6132
6133        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
6134            let thread = thread.read(cx);
6135            let supports_burn_mode = thread
6136                .model()
6137                .map_or(false, |model| model.supports_burn_mode());
6138            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
6139        });
6140
6141        let markdown = if let Some(markdown) = &self.thread_error_markdown {
6142            markdown.clone()
6143        } else {
6144            let markdown = cx.new(|cx| Markdown::new(error.clone(), None, None, cx));
6145            self.thread_error_markdown = Some(markdown.clone());
6146            markdown
6147        };
6148
6149        let markdown_style = default_markdown_style(false, true, window, cx);
6150        let description = self
6151            .render_markdown(markdown, markdown_style)
6152            .into_any_element();
6153
6154        Callout::new()
6155            .severity(Severity::Error)
6156            .icon(IconName::XCircle)
6157            .title("An Error Happened")
6158            .description_slot(description)
6159            .actions_slot(
6160                h_flex()
6161                    .gap_0p5()
6162                    .when(can_resume && can_enable_burn_mode, |this| {
6163                        this.child(
6164                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
6165                                .icon(IconName::ZedBurnMode)
6166                                .icon_position(IconPosition::Start)
6167                                .icon_size(IconSize::Small)
6168                                .label_size(LabelSize::Small)
6169                                .on_click(cx.listener(|this, _, window, cx| {
6170                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
6171                                    this.resume_chat(cx);
6172                                })),
6173                        )
6174                    })
6175                    .when(can_resume, |this| {
6176                        this.child(
6177                            IconButton::new("retry", IconName::RotateCw)
6178                                .icon_size(IconSize::Small)
6179                                .tooltip(Tooltip::text("Retry Generation"))
6180                                .on_click(cx.listener(|this, _, _window, cx| {
6181                                    this.resume_chat(cx);
6182                                })),
6183                        )
6184                    })
6185                    .child(self.create_copy_button(error.to_string())),
6186            )
6187            .dismiss_action(self.dismiss_error_button(cx))
6188    }
6189
6190    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
6191        const ERROR_MESSAGE: &str =
6192            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
6193
6194        Callout::new()
6195            .severity(Severity::Error)
6196            .icon(IconName::XCircle)
6197            .title("Free Usage Exceeded")
6198            .description(ERROR_MESSAGE)
6199            .actions_slot(
6200                h_flex()
6201                    .gap_0p5()
6202                    .child(self.upgrade_button(cx))
6203                    .child(self.create_copy_button(ERROR_MESSAGE)),
6204            )
6205            .dismiss_action(self.dismiss_error_button(cx))
6206    }
6207
6208    fn render_authentication_required_error(
6209        &self,
6210        error: SharedString,
6211        cx: &mut Context<Self>,
6212    ) -> Callout {
6213        Callout::new()
6214            .severity(Severity::Error)
6215            .title("Authentication Required")
6216            .icon(IconName::XCircle)
6217            .description(error.clone())
6218            .actions_slot(
6219                h_flex()
6220                    .gap_0p5()
6221                    .child(self.authenticate_button(cx))
6222                    .child(self.create_copy_button(error)),
6223            )
6224            .dismiss_action(self.dismiss_error_button(cx))
6225    }
6226
6227    fn render_model_request_limit_reached_error(
6228        &self,
6229        plan: cloud_llm_client::Plan,
6230        cx: &mut Context<Self>,
6231    ) -> Callout {
6232        let error_message = match plan {
6233            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
6234                "Upgrade to usage-based billing for more prompts."
6235            }
6236            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
6237            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
6238            cloud_llm_client::Plan::V2(_) => "",
6239        };
6240
6241        Callout::new()
6242            .severity(Severity::Error)
6243            .title("Model Prompt Limit Reached")
6244            .icon(IconName::XCircle)
6245            .description(error_message)
6246            .actions_slot(
6247                h_flex()
6248                    .gap_0p5()
6249                    .child(self.upgrade_button(cx))
6250                    .child(self.create_copy_button(error_message)),
6251            )
6252            .dismiss_action(self.dismiss_error_button(cx))
6253    }
6254
6255    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
6256        let thread = self.as_native_thread(cx)?;
6257        let supports_burn_mode = thread
6258            .read(cx)
6259            .model()
6260            .is_some_and(|model| model.supports_burn_mode());
6261
6262        let focus_handle = self.focus_handle(cx);
6263
6264        Some(
6265            Callout::new()
6266                .icon(IconName::Info)
6267                .title("Consecutive tool use limit reached.")
6268                .actions_slot(
6269                    h_flex()
6270                        .gap_0p5()
6271                        .when(supports_burn_mode, |this| {
6272                            this.child(
6273                                Button::new("continue-burn-mode", "Continue with Burn Mode")
6274                                    .style(ButtonStyle::Filled)
6275                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
6276                                    .layer(ElevationIndex::ModalSurface)
6277                                    .label_size(LabelSize::Small)
6278                                    .key_binding(
6279                                        KeyBinding::for_action_in(
6280                                            &ContinueWithBurnMode,
6281                                            &focus_handle,
6282                                            cx,
6283                                        )
6284                                        .map(|kb| kb.size(rems_from_px(10.))),
6285                                    )
6286                                    .tooltip(Tooltip::text(
6287                                        "Enable Burn Mode for unlimited tool use.",
6288                                    ))
6289                                    .on_click({
6290                                        cx.listener(move |this, _, _window, cx| {
6291                                            thread.update(cx, |thread, cx| {
6292                                                thread
6293                                                    .set_completion_mode(CompletionMode::Burn, cx);
6294                                            });
6295                                            this.resume_chat(cx);
6296                                        })
6297                                    }),
6298                            )
6299                        })
6300                        .child(
6301                            Button::new("continue-conversation", "Continue")
6302                                .layer(ElevationIndex::ModalSurface)
6303                                .label_size(LabelSize::Small)
6304                                .key_binding(
6305                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
6306                                        .map(|kb| kb.size(rems_from_px(10.))),
6307                                )
6308                                .on_click(cx.listener(|this, _, _window, cx| {
6309                                    this.resume_chat(cx);
6310                                })),
6311                        ),
6312                ),
6313        )
6314    }
6315
6316    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
6317        let message = message.into();
6318
6319        CopyButton::new(message).tooltip_label("Copy Error Message")
6320    }
6321
6322    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
6323        IconButton::new("dismiss", IconName::Close)
6324            .icon_size(IconSize::Small)
6325            .tooltip(Tooltip::text("Dismiss"))
6326            .on_click(cx.listener({
6327                move |this, _, _, cx| {
6328                    this.clear_thread_error(cx);
6329                    cx.notify();
6330                }
6331            }))
6332    }
6333
6334    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
6335        Button::new("authenticate", "Authenticate")
6336            .label_size(LabelSize::Small)
6337            .style(ButtonStyle::Filled)
6338            .on_click(cx.listener({
6339                move |this, _, window, cx| {
6340                    let agent = this.agent.clone();
6341                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
6342                        return;
6343                    };
6344
6345                    let connection = thread.read(cx).connection().clone();
6346                    this.clear_thread_error(cx);
6347                    if let Some(message) = this.in_flight_prompt.take() {
6348                        this.message_editor.update(cx, |editor, cx| {
6349                            editor.set_message(message, window, cx);
6350                        });
6351                    }
6352                    let this = cx.weak_entity();
6353                    window.defer(cx, |window, cx| {
6354                        Self::handle_auth_required(
6355                            this,
6356                            AuthRequired::new(),
6357                            agent,
6358                            connection,
6359                            window,
6360                            cx,
6361                        );
6362                    })
6363                }
6364            }))
6365    }
6366
6367    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
6368        let agent = self.agent.clone();
6369        let ThreadState::Ready { thread, .. } = &self.thread_state else {
6370            return;
6371        };
6372
6373        let connection = thread.read(cx).connection().clone();
6374        self.clear_thread_error(cx);
6375        let this = cx.weak_entity();
6376        window.defer(cx, |window, cx| {
6377            Self::handle_auth_required(this, AuthRequired::new(), agent, connection, window, cx);
6378        })
6379    }
6380
6381    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
6382        Button::new("upgrade", "Upgrade")
6383            .label_size(LabelSize::Small)
6384            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
6385            .on_click(cx.listener({
6386                move |this, _, _, cx| {
6387                    this.clear_thread_error(cx);
6388                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
6389                }
6390            }))
6391    }
6392
6393    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
6394        let task = match entry {
6395            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
6396                history.delete_thread(thread.id.clone(), cx)
6397            }),
6398            HistoryEntry::TextThread(text_thread) => {
6399                self.history_store.update(cx, |history, cx| {
6400                    history.delete_text_thread(text_thread.path.clone(), cx)
6401                })
6402            }
6403        };
6404        task.detach_and_log_err(cx);
6405    }
6406
6407    /// Returns the currently active editor, either for a message that is being
6408    /// edited or the editor for a new message.
6409    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
6410        if let Some(index) = self.editing_message
6411            && let Some(editor) = self
6412                .entry_view_state
6413                .read(cx)
6414                .entry(index)
6415                .and_then(|e| e.message_editor())
6416                .cloned()
6417        {
6418            editor
6419        } else {
6420            self.message_editor.clone()
6421        }
6422    }
6423}
6424
6425fn loading_contents_spinner(size: IconSize) -> AnyElement {
6426    Icon::new(IconName::LoadCircle)
6427        .size(size)
6428        .color(Color::Accent)
6429        .with_rotate_animation(3)
6430        .into_any_element()
6431}
6432
6433fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
6434    if agent_name == "Zed Agent" {
6435        format!("Message the {} — @ to include context", agent_name)
6436    } else if has_commands {
6437        format!(
6438            "Message {} — @ to include context, / for commands",
6439            agent_name
6440        )
6441    } else {
6442        format!("Message {} — @ to include context", agent_name)
6443    }
6444}
6445
6446impl Focusable for AcpThreadView {
6447    fn focus_handle(&self, cx: &App) -> FocusHandle {
6448        match self.thread_state {
6449            ThreadState::Ready { .. } => self.active_editor(cx).focus_handle(cx),
6450            ThreadState::Loading { .. }
6451            | ThreadState::LoadError(_)
6452            | ThreadState::Unauthenticated { .. } => self.focus_handle.clone(),
6453        }
6454    }
6455}
6456
6457impl Render for AcpThreadView {
6458    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
6459        let has_messages = self.list_state.item_count() > 0;
6460        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
6461
6462        v_flex()
6463            .size_full()
6464            .key_context("AcpThread")
6465            .on_action(cx.listener(Self::toggle_burn_mode))
6466            .on_action(cx.listener(Self::keep_all))
6467            .on_action(cx.listener(Self::reject_all))
6468            .on_action(cx.listener(Self::allow_always))
6469            .on_action(cx.listener(Self::allow_once))
6470            .on_action(cx.listener(Self::reject_once))
6471            .on_action(cx.listener(|this, _: &SendNextQueuedMessage, window, cx| {
6472                this.send_queued_message_at_index(0, true, window, cx);
6473            }))
6474            .on_action(cx.listener(|this, _: &ClearMessageQueue, _, cx| {
6475                this.message_queue.clear();
6476                cx.notify();
6477            }))
6478            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
6479                if let Some(profile_selector) = this.profile_selector.as_ref() {
6480                    profile_selector.read(cx).menu_handle().toggle(window, cx);
6481                } else if let Some(mode_selector) = this.mode_selector() {
6482                    mode_selector.read(cx).menu_handle().toggle(window, cx);
6483                }
6484            }))
6485            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
6486                if let Some(profile_selector) = this.profile_selector.as_ref() {
6487                    profile_selector.update(cx, |profile_selector, cx| {
6488                        profile_selector.cycle_profile(cx);
6489                    });
6490                } else if let Some(mode_selector) = this.mode_selector() {
6491                    mode_selector.update(cx, |mode_selector, cx| {
6492                        mode_selector.cycle_mode(window, cx);
6493                    });
6494                }
6495            }))
6496            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
6497                if let Some(model_selector) = this.model_selector.as_ref() {
6498                    model_selector
6499                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
6500                }
6501            }))
6502            .on_action(cx.listener(|this, _: &CycleFavoriteModels, window, cx| {
6503                if let Some(model_selector) = this.model_selector.as_ref() {
6504                    model_selector.update(cx, |model_selector, cx| {
6505                        model_selector.cycle_favorite_models(window, cx);
6506                    });
6507                }
6508            }))
6509            .track_focus(&self.focus_handle)
6510            .bg(cx.theme().colors().panel_background)
6511            .child(match &self.thread_state {
6512                ThreadState::Unauthenticated {
6513                    connection,
6514                    description,
6515                    configuration_view,
6516                    pending_auth_method,
6517                    ..
6518                } => v_flex()
6519                    .flex_1()
6520                    .size_full()
6521                    .justify_end()
6522                    .child(self.render_auth_required_state(
6523                        connection,
6524                        description.as_ref(),
6525                        configuration_view.as_ref(),
6526                        pending_auth_method.as_ref(),
6527                        window,
6528                        cx,
6529                    ))
6530                    .into_any_element(),
6531                ThreadState::Loading { .. } => v_flex()
6532                    .flex_1()
6533                    .child(self.render_recent_history(cx))
6534                    .into_any(),
6535                ThreadState::LoadError(e) => v_flex()
6536                    .flex_1()
6537                    .size_full()
6538                    .items_center()
6539                    .justify_end()
6540                    .child(self.render_load_error(e, window, cx))
6541                    .into_any(),
6542                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
6543                    if has_messages {
6544                        this.child(
6545                            list(
6546                                self.list_state.clone(),
6547                                cx.processor(|this, index: usize, window, cx| {
6548                                    let Some((entry, len)) = this.thread().and_then(|thread| {
6549                                        let entries = &thread.read(cx).entries();
6550                                        Some((entries.get(index)?, entries.len()))
6551                                    }) else {
6552                                        return Empty.into_any();
6553                                    };
6554                                    this.render_entry(index, len, entry, window, cx)
6555                                }),
6556                            )
6557                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
6558                            .flex_grow()
6559                            .into_any(),
6560                        )
6561                        .vertical_scrollbar_for(&self.list_state, window, cx)
6562                        .into_any()
6563                    } else {
6564                        this.child(self.render_recent_history(cx)).into_any()
6565                    }
6566                }),
6567            })
6568            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
6569            // above so that the scrollbar doesn't render behind it. The current setup allows
6570            // the scrollbar to stop exactly at the activity bar start.
6571            .when(has_messages, |this| match &self.thread_state {
6572                ThreadState::Ready { thread, .. } => {
6573                    this.children(self.render_activity_bar(thread, window, cx))
6574                }
6575                _ => this,
6576            })
6577            .children(self.render_thread_retry_status_callout(window, cx))
6578            .when(self.show_codex_windows_warning, |this| {
6579                this.child(self.render_codex_windows_warning(cx))
6580            })
6581            .children(self.render_thread_error(window, cx))
6582            .when_some(
6583                self.new_server_version_available.as_ref().filter(|_| {
6584                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
6585                }),
6586                |this, version| this.child(self.render_new_version_callout(&version, cx)),
6587            )
6588            .children(
6589                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
6590                    Some(usage_callout.into_any_element())
6591                } else {
6592                    self.render_token_limit_callout(cx)
6593                        .map(|token_limit_callout| token_limit_callout.into_any_element())
6594                },
6595            )
6596            .child(self.render_message_editor(window, cx))
6597    }
6598}
6599
6600fn default_markdown_style(
6601    buffer_font: bool,
6602    muted_text: bool,
6603    window: &Window,
6604    cx: &App,
6605) -> MarkdownStyle {
6606    let theme_settings = ThemeSettings::get_global(cx);
6607    let colors = cx.theme().colors();
6608
6609    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
6610
6611    let mut text_style = window.text_style();
6612    let line_height = buffer_font_size * 1.75;
6613
6614    let font_family = if buffer_font {
6615        theme_settings.buffer_font.family.clone()
6616    } else {
6617        theme_settings.ui_font.family.clone()
6618    };
6619
6620    let font_size = if buffer_font {
6621        theme_settings.agent_buffer_font_size(cx)
6622    } else {
6623        theme_settings.agent_ui_font_size(cx)
6624    };
6625
6626    let text_color = if muted_text {
6627        colors.text_muted
6628    } else {
6629        colors.text
6630    };
6631
6632    text_style.refine(&TextStyleRefinement {
6633        font_family: Some(font_family),
6634        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
6635        font_features: Some(theme_settings.ui_font.features.clone()),
6636        font_size: Some(font_size.into()),
6637        line_height: Some(line_height.into()),
6638        color: Some(text_color),
6639        ..Default::default()
6640    });
6641
6642    MarkdownStyle {
6643        base_text_style: text_style.clone(),
6644        syntax: cx.theme().syntax().clone(),
6645        selection_background_color: colors.element_selection_background,
6646        code_block_overflow_x_scroll: true,
6647        heading_level_styles: Some(HeadingLevelStyles {
6648            h1: Some(TextStyleRefinement {
6649                font_size: Some(rems(1.15).into()),
6650                ..Default::default()
6651            }),
6652            h2: Some(TextStyleRefinement {
6653                font_size: Some(rems(1.1).into()),
6654                ..Default::default()
6655            }),
6656            h3: Some(TextStyleRefinement {
6657                font_size: Some(rems(1.05).into()),
6658                ..Default::default()
6659            }),
6660            h4: Some(TextStyleRefinement {
6661                font_size: Some(rems(1.).into()),
6662                ..Default::default()
6663            }),
6664            h5: Some(TextStyleRefinement {
6665                font_size: Some(rems(0.95).into()),
6666                ..Default::default()
6667            }),
6668            h6: Some(TextStyleRefinement {
6669                font_size: Some(rems(0.875).into()),
6670                ..Default::default()
6671            }),
6672        }),
6673        code_block: StyleRefinement {
6674            padding: EdgesRefinement {
6675                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6676                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6677                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6678                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6679            },
6680            margin: EdgesRefinement {
6681                top: Some(Length::Definite(px(8.).into())),
6682                left: Some(Length::Definite(px(0.).into())),
6683                right: Some(Length::Definite(px(0.).into())),
6684                bottom: Some(Length::Definite(px(12.).into())),
6685            },
6686            border_style: Some(BorderStyle::Solid),
6687            border_widths: EdgesRefinement {
6688                top: Some(AbsoluteLength::Pixels(px(1.))),
6689                left: Some(AbsoluteLength::Pixels(px(1.))),
6690                right: Some(AbsoluteLength::Pixels(px(1.))),
6691                bottom: Some(AbsoluteLength::Pixels(px(1.))),
6692            },
6693            border_color: Some(colors.border_variant),
6694            background: Some(colors.editor_background.into()),
6695            text: TextStyleRefinement {
6696                font_family: Some(theme_settings.buffer_font.family.clone()),
6697                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6698                font_features: Some(theme_settings.buffer_font.features.clone()),
6699                font_size: Some(buffer_font_size.into()),
6700                ..Default::default()
6701            },
6702            ..Default::default()
6703        },
6704        inline_code: TextStyleRefinement {
6705            font_family: Some(theme_settings.buffer_font.family.clone()),
6706            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6707            font_features: Some(theme_settings.buffer_font.features.clone()),
6708            font_size: Some(buffer_font_size.into()),
6709            background_color: Some(colors.editor_foreground.opacity(0.08)),
6710            ..Default::default()
6711        },
6712        link: TextStyleRefinement {
6713            background_color: Some(colors.editor_foreground.opacity(0.025)),
6714            color: Some(colors.text_accent),
6715            underline: Some(UnderlineStyle {
6716                color: Some(colors.text_accent.opacity(0.5)),
6717                thickness: px(1.),
6718                ..Default::default()
6719            }),
6720            ..Default::default()
6721        },
6722        ..Default::default()
6723    }
6724}
6725
6726fn plan_label_markdown_style(
6727    status: &acp::PlanEntryStatus,
6728    window: &Window,
6729    cx: &App,
6730) -> MarkdownStyle {
6731    let default_md_style = default_markdown_style(false, false, window, cx);
6732
6733    MarkdownStyle {
6734        base_text_style: TextStyle {
6735            color: cx.theme().colors().text_muted,
6736            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
6737                Some(gpui::StrikethroughStyle {
6738                    thickness: px(1.),
6739                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
6740                })
6741            } else {
6742                None
6743            },
6744            ..default_md_style.base_text_style
6745        },
6746        ..default_md_style
6747    }
6748}
6749
6750fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
6751    let default_md_style = default_markdown_style(true, false, window, cx);
6752
6753    MarkdownStyle {
6754        base_text_style: TextStyle {
6755            ..default_md_style.base_text_style
6756        },
6757        selection_background_color: cx.theme().colors().element_selection_background,
6758        ..Default::default()
6759    }
6760}
6761
6762#[cfg(test)]
6763pub(crate) mod tests {
6764    use acp_thread::StubAgentConnection;
6765    use agent_client_protocol::SessionId;
6766    use assistant_text_thread::TextThreadStore;
6767    use editor::MultiBufferOffset;
6768    use fs::FakeFs;
6769    use gpui::{EventEmitter, TestAppContext, VisualTestContext};
6770    use project::Project;
6771    use serde_json::json;
6772    use settings::SettingsStore;
6773    use std::any::Any;
6774    use std::path::Path;
6775    use workspace::Item;
6776
6777    use super::*;
6778
6779    #[gpui::test]
6780    async fn test_drop(cx: &mut TestAppContext) {
6781        init_test(cx);
6782
6783        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6784        let weak_view = thread_view.downgrade();
6785        drop(thread_view);
6786        assert!(!weak_view.is_upgradable());
6787    }
6788
6789    #[gpui::test]
6790    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
6791        init_test(cx);
6792
6793        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6794
6795        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6796        message_editor.update_in(cx, |editor, window, cx| {
6797            editor.set_text("Hello", window, cx);
6798        });
6799
6800        cx.deactivate_window();
6801
6802        thread_view.update_in(cx, |thread_view, window, cx| {
6803            thread_view.send(window, cx);
6804        });
6805
6806        cx.run_until_parked();
6807
6808        assert!(
6809            cx.windows()
6810                .iter()
6811                .any(|window| window.downcast::<AgentNotification>().is_some())
6812        );
6813    }
6814
6815    #[gpui::test]
6816    async fn test_notification_for_error(cx: &mut TestAppContext) {
6817        init_test(cx);
6818
6819        let (thread_view, cx) =
6820            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
6821
6822        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6823        message_editor.update_in(cx, |editor, window, cx| {
6824            editor.set_text("Hello", window, cx);
6825        });
6826
6827        cx.deactivate_window();
6828
6829        thread_view.update_in(cx, |thread_view, window, cx| {
6830            thread_view.send(window, cx);
6831        });
6832
6833        cx.run_until_parked();
6834
6835        assert!(
6836            cx.windows()
6837                .iter()
6838                .any(|window| window.downcast::<AgentNotification>().is_some())
6839        );
6840    }
6841
6842    #[gpui::test]
6843    async fn test_refusal_handling(cx: &mut TestAppContext) {
6844        init_test(cx);
6845
6846        let (thread_view, cx) =
6847            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
6848
6849        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6850        message_editor.update_in(cx, |editor, window, cx| {
6851            editor.set_text("Do something harmful", window, cx);
6852        });
6853
6854        thread_view.update_in(cx, |thread_view, window, cx| {
6855            thread_view.send(window, cx);
6856        });
6857
6858        cx.run_until_parked();
6859
6860        // Check that the refusal error is set
6861        thread_view.read_with(cx, |thread_view, _cx| {
6862            assert!(
6863                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
6864                "Expected refusal error to be set"
6865            );
6866        });
6867    }
6868
6869    #[gpui::test]
6870    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
6871        init_test(cx);
6872
6873        let tool_call_id = acp::ToolCallId::new("1");
6874        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
6875            .kind(acp::ToolKind::Edit)
6876            .content(vec!["hi".into()]);
6877        let connection =
6878            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6879                tool_call_id,
6880                vec![acp::PermissionOption::new(
6881                    "1",
6882                    "Allow",
6883                    acp::PermissionOptionKind::AllowOnce,
6884                )],
6885            )]));
6886
6887        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6888
6889        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6890
6891        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6892        message_editor.update_in(cx, |editor, window, cx| {
6893            editor.set_text("Hello", window, cx);
6894        });
6895
6896        cx.deactivate_window();
6897
6898        thread_view.update_in(cx, |thread_view, window, cx| {
6899            thread_view.send(window, cx);
6900        });
6901
6902        cx.run_until_parked();
6903
6904        assert!(
6905            cx.windows()
6906                .iter()
6907                .any(|window| window.downcast::<AgentNotification>().is_some())
6908        );
6909    }
6910
6911    #[gpui::test]
6912    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
6913        init_test(cx);
6914
6915        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6916
6917        add_to_workspace(thread_view.clone(), cx);
6918
6919        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6920
6921        message_editor.update_in(cx, |editor, window, cx| {
6922            editor.set_text("Hello", window, cx);
6923        });
6924
6925        // Window is active (don't deactivate), but panel will be hidden
6926        // Note: In the test environment, the panel is not actually added to the dock,
6927        // so is_agent_panel_hidden will return true
6928
6929        thread_view.update_in(cx, |thread_view, window, cx| {
6930            thread_view.send(window, cx);
6931        });
6932
6933        cx.run_until_parked();
6934
6935        // Should show notification because window is active but panel is hidden
6936        assert!(
6937            cx.windows()
6938                .iter()
6939                .any(|window| window.downcast::<AgentNotification>().is_some()),
6940            "Expected notification when panel is hidden"
6941        );
6942    }
6943
6944    #[gpui::test]
6945    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
6946        init_test(cx);
6947
6948        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6949
6950        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6951        message_editor.update_in(cx, |editor, window, cx| {
6952            editor.set_text("Hello", window, cx);
6953        });
6954
6955        // Deactivate window - should show notification regardless of setting
6956        cx.deactivate_window();
6957
6958        thread_view.update_in(cx, |thread_view, window, cx| {
6959            thread_view.send(window, cx);
6960        });
6961
6962        cx.run_until_parked();
6963
6964        // Should still show notification when window is inactive (existing behavior)
6965        assert!(
6966            cx.windows()
6967                .iter()
6968                .any(|window| window.downcast::<AgentNotification>().is_some()),
6969            "Expected notification when window is inactive"
6970        );
6971    }
6972
6973    #[gpui::test]
6974    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
6975        init_test(cx);
6976
6977        // Set notify_when_agent_waiting to Never
6978        cx.update(|cx| {
6979            AgentSettings::override_global(
6980                AgentSettings {
6981                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6982                    ..AgentSettings::get_global(cx).clone()
6983                },
6984                cx,
6985            );
6986        });
6987
6988        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6989
6990        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6991        message_editor.update_in(cx, |editor, window, cx| {
6992            editor.set_text("Hello", window, cx);
6993        });
6994
6995        // Window is active
6996
6997        thread_view.update_in(cx, |thread_view, window, cx| {
6998            thread_view.send(window, cx);
6999        });
7000
7001        cx.run_until_parked();
7002
7003        // Should NOT show notification because notify_when_agent_waiting is Never
7004        assert!(
7005            !cx.windows()
7006                .iter()
7007                .any(|window| window.downcast::<AgentNotification>().is_some()),
7008            "Expected no notification when notify_when_agent_waiting is Never"
7009        );
7010    }
7011
7012    #[gpui::test]
7013    async fn test_notification_closed_when_thread_view_dropped(cx: &mut TestAppContext) {
7014        init_test(cx);
7015
7016        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
7017
7018        let weak_view = thread_view.downgrade();
7019
7020        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7021        message_editor.update_in(cx, |editor, window, cx| {
7022            editor.set_text("Hello", window, cx);
7023        });
7024
7025        cx.deactivate_window();
7026
7027        thread_view.update_in(cx, |thread_view, window, cx| {
7028            thread_view.send(window, cx);
7029        });
7030
7031        cx.run_until_parked();
7032
7033        // Verify notification is shown
7034        assert!(
7035            cx.windows()
7036                .iter()
7037                .any(|window| window.downcast::<AgentNotification>().is_some()),
7038            "Expected notification to be shown"
7039        );
7040
7041        // Drop the thread view (simulating navigation to a new thread)
7042        drop(thread_view);
7043        drop(message_editor);
7044        // Trigger an update to flush effects, which will call release_dropped_entities
7045        cx.update(|_window, _cx| {});
7046        cx.run_until_parked();
7047
7048        // Verify the entity was actually released
7049        assert!(
7050            !weak_view.is_upgradable(),
7051            "Thread view entity should be released after dropping"
7052        );
7053
7054        // The notification should be automatically closed via on_release
7055        assert!(
7056            !cx.windows()
7057                .iter()
7058                .any(|window| window.downcast::<AgentNotification>().is_some()),
7059            "Notification should be closed when thread view is dropped"
7060        );
7061    }
7062
7063    async fn setup_thread_view(
7064        agent: impl AgentServer + 'static,
7065        cx: &mut TestAppContext,
7066    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
7067        let fs = FakeFs::new(cx.executor());
7068        let project = Project::test(fs, [], cx).await;
7069        let (workspace, cx) =
7070            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7071
7072        let text_thread_store =
7073            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
7074        let history_store =
7075            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
7076
7077        let thread_view = cx.update(|window, cx| {
7078            cx.new(|cx| {
7079                AcpThreadView::new(
7080                    Rc::new(agent),
7081                    None,
7082                    None,
7083                    workspace.downgrade(),
7084                    project,
7085                    history_store,
7086                    None,
7087                    false,
7088                    window,
7089                    cx,
7090                )
7091            })
7092        });
7093        cx.run_until_parked();
7094        (thread_view, cx)
7095    }
7096
7097    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
7098        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
7099
7100        workspace
7101            .update_in(cx, |workspace, window, cx| {
7102                workspace.add_item_to_active_pane(
7103                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
7104                    None,
7105                    true,
7106                    window,
7107                    cx,
7108                );
7109            })
7110            .unwrap();
7111    }
7112
7113    struct ThreadViewItem(Entity<AcpThreadView>);
7114
7115    impl Item for ThreadViewItem {
7116        type Event = ();
7117
7118        fn include_in_nav_history() -> bool {
7119            false
7120        }
7121
7122        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
7123            "Test".into()
7124        }
7125    }
7126
7127    impl EventEmitter<()> for ThreadViewItem {}
7128
7129    impl Focusable for ThreadViewItem {
7130        fn focus_handle(&self, cx: &App) -> FocusHandle {
7131            self.0.read(cx).focus_handle(cx)
7132        }
7133    }
7134
7135    impl Render for ThreadViewItem {
7136        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
7137            self.0.clone().into_any_element()
7138        }
7139    }
7140
7141    struct StubAgentServer<C> {
7142        connection: C,
7143    }
7144
7145    impl<C> StubAgentServer<C> {
7146        fn new(connection: C) -> Self {
7147            Self { connection }
7148        }
7149    }
7150
7151    impl StubAgentServer<StubAgentConnection> {
7152        fn default_response() -> Self {
7153            let conn = StubAgentConnection::new();
7154            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7155                acp::ContentChunk::new("Default response".into()),
7156            )]);
7157            Self::new(conn)
7158        }
7159    }
7160
7161    impl<C> AgentServer for StubAgentServer<C>
7162    where
7163        C: 'static + AgentConnection + Send + Clone,
7164    {
7165        fn logo(&self) -> ui::IconName {
7166            ui::IconName::Ai
7167        }
7168
7169        fn name(&self) -> SharedString {
7170            "Test".into()
7171        }
7172
7173        fn connect(
7174            &self,
7175            _root_dir: Option<&Path>,
7176            _delegate: AgentServerDelegate,
7177            _cx: &mut App,
7178        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
7179            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
7180        }
7181
7182        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
7183            self
7184        }
7185    }
7186
7187    #[derive(Clone)]
7188    struct SaboteurAgentConnection;
7189
7190    impl AgentConnection for SaboteurAgentConnection {
7191        fn telemetry_id(&self) -> SharedString {
7192            "saboteur".into()
7193        }
7194
7195        fn new_thread(
7196            self: Rc<Self>,
7197            project: Entity<Project>,
7198            _cwd: &Path,
7199            cx: &mut gpui::App,
7200        ) -> Task<gpui::Result<Entity<AcpThread>>> {
7201            Task::ready(Ok(cx.new(|cx| {
7202                let action_log = cx.new(|_| ActionLog::new(project.clone()));
7203                AcpThread::new(
7204                    "SaboteurAgentConnection",
7205                    self,
7206                    project,
7207                    action_log,
7208                    SessionId::new("test"),
7209                    watch::Receiver::constant(
7210                        acp::PromptCapabilities::new()
7211                            .image(true)
7212                            .audio(true)
7213                            .embedded_context(true),
7214                    ),
7215                    cx,
7216                )
7217            })))
7218        }
7219
7220        fn auth_methods(&self) -> &[acp::AuthMethod] {
7221            &[]
7222        }
7223
7224        fn authenticate(
7225            &self,
7226            _method_id: acp::AuthMethodId,
7227            _cx: &mut App,
7228        ) -> Task<gpui::Result<()>> {
7229            unimplemented!()
7230        }
7231
7232        fn prompt(
7233            &self,
7234            _id: Option<acp_thread::UserMessageId>,
7235            _params: acp::PromptRequest,
7236            _cx: &mut App,
7237        ) -> Task<gpui::Result<acp::PromptResponse>> {
7238            Task::ready(Err(anyhow::anyhow!("Error prompting")))
7239        }
7240
7241        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
7242            unimplemented!()
7243        }
7244
7245        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
7246            self
7247        }
7248    }
7249
7250    /// Simulates a model which always returns a refusal response
7251    #[derive(Clone)]
7252    struct RefusalAgentConnection;
7253
7254    impl AgentConnection for RefusalAgentConnection {
7255        fn telemetry_id(&self) -> SharedString {
7256            "refusal".into()
7257        }
7258
7259        fn new_thread(
7260            self: Rc<Self>,
7261            project: Entity<Project>,
7262            _cwd: &Path,
7263            cx: &mut gpui::App,
7264        ) -> Task<gpui::Result<Entity<AcpThread>>> {
7265            Task::ready(Ok(cx.new(|cx| {
7266                let action_log = cx.new(|_| ActionLog::new(project.clone()));
7267                AcpThread::new(
7268                    "RefusalAgentConnection",
7269                    self,
7270                    project,
7271                    action_log,
7272                    SessionId::new("test"),
7273                    watch::Receiver::constant(
7274                        acp::PromptCapabilities::new()
7275                            .image(true)
7276                            .audio(true)
7277                            .embedded_context(true),
7278                    ),
7279                    cx,
7280                )
7281            })))
7282        }
7283
7284        fn auth_methods(&self) -> &[acp::AuthMethod] {
7285            &[]
7286        }
7287
7288        fn authenticate(
7289            &self,
7290            _method_id: acp::AuthMethodId,
7291            _cx: &mut App,
7292        ) -> Task<gpui::Result<()>> {
7293            unimplemented!()
7294        }
7295
7296        fn prompt(
7297            &self,
7298            _id: Option<acp_thread::UserMessageId>,
7299            _params: acp::PromptRequest,
7300            _cx: &mut App,
7301        ) -> Task<gpui::Result<acp::PromptResponse>> {
7302            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
7303        }
7304
7305        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
7306            unimplemented!()
7307        }
7308
7309        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
7310            self
7311        }
7312    }
7313
7314    pub(crate) fn init_test(cx: &mut TestAppContext) {
7315        cx.update(|cx| {
7316            let settings_store = SettingsStore::test(cx);
7317            cx.set_global(settings_store);
7318            theme::init(theme::LoadThemes::JustBase, cx);
7319            release_channel::init(semver::Version::new(0, 0, 0), cx);
7320            prompt_store::init(cx)
7321        });
7322    }
7323
7324    #[gpui::test]
7325    async fn test_rewind_views(cx: &mut TestAppContext) {
7326        init_test(cx);
7327
7328        let fs = FakeFs::new(cx.executor());
7329        fs.insert_tree(
7330            "/project",
7331            json!({
7332                "test1.txt": "old content 1",
7333                "test2.txt": "old content 2"
7334            }),
7335        )
7336        .await;
7337        let project = Project::test(fs, [Path::new("/project")], cx).await;
7338        let (workspace, cx) =
7339            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7340
7341        let text_thread_store =
7342            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
7343        let history_store =
7344            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
7345
7346        let connection = Rc::new(StubAgentConnection::new());
7347        let thread_view = cx.update(|window, cx| {
7348            cx.new(|cx| {
7349                AcpThreadView::new(
7350                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
7351                    None,
7352                    None,
7353                    workspace.downgrade(),
7354                    project.clone(),
7355                    history_store.clone(),
7356                    None,
7357                    false,
7358                    window,
7359                    cx,
7360                )
7361            })
7362        });
7363
7364        cx.run_until_parked();
7365
7366        let thread = thread_view
7367            .read_with(cx, |view, _| view.thread().cloned())
7368            .unwrap();
7369
7370        // First user message
7371        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
7372            acp::ToolCall::new("tool1", "Edit file 1")
7373                .kind(acp::ToolKind::Edit)
7374                .status(acp::ToolCallStatus::Completed)
7375                .content(vec![acp::ToolCallContent::Diff(
7376                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
7377                )]),
7378        )]);
7379
7380        thread
7381            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
7382            .await
7383            .unwrap();
7384        cx.run_until_parked();
7385
7386        thread.read_with(cx, |thread, _| {
7387            assert_eq!(thread.entries().len(), 2);
7388        });
7389
7390        thread_view.read_with(cx, |view, cx| {
7391            view.entry_view_state.read_with(cx, |entry_view_state, _| {
7392                assert!(
7393                    entry_view_state
7394                        .entry(0)
7395                        .unwrap()
7396                        .message_editor()
7397                        .is_some()
7398                );
7399                assert!(entry_view_state.entry(1).unwrap().has_content());
7400            });
7401        });
7402
7403        // Second user message
7404        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
7405            acp::ToolCall::new("tool2", "Edit file 2")
7406                .kind(acp::ToolKind::Edit)
7407                .status(acp::ToolCallStatus::Completed)
7408                .content(vec![acp::ToolCallContent::Diff(
7409                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
7410                )]),
7411        )]);
7412
7413        thread
7414            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
7415            .await
7416            .unwrap();
7417        cx.run_until_parked();
7418
7419        let second_user_message_id = thread.read_with(cx, |thread, _| {
7420            assert_eq!(thread.entries().len(), 4);
7421            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
7422                panic!();
7423            };
7424            user_message.id.clone().unwrap()
7425        });
7426
7427        thread_view.read_with(cx, |view, cx| {
7428            view.entry_view_state.read_with(cx, |entry_view_state, _| {
7429                assert!(
7430                    entry_view_state
7431                        .entry(0)
7432                        .unwrap()
7433                        .message_editor()
7434                        .is_some()
7435                );
7436                assert!(entry_view_state.entry(1).unwrap().has_content());
7437                assert!(
7438                    entry_view_state
7439                        .entry(2)
7440                        .unwrap()
7441                        .message_editor()
7442                        .is_some()
7443                );
7444                assert!(entry_view_state.entry(3).unwrap().has_content());
7445            });
7446        });
7447
7448        // Rewind to first message
7449        thread
7450            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
7451            .await
7452            .unwrap();
7453
7454        cx.run_until_parked();
7455
7456        thread.read_with(cx, |thread, _| {
7457            assert_eq!(thread.entries().len(), 2);
7458        });
7459
7460        thread_view.read_with(cx, |view, cx| {
7461            view.entry_view_state.read_with(cx, |entry_view_state, _| {
7462                assert!(
7463                    entry_view_state
7464                        .entry(0)
7465                        .unwrap()
7466                        .message_editor()
7467                        .is_some()
7468                );
7469                assert!(entry_view_state.entry(1).unwrap().has_content());
7470
7471                // Old views should be dropped
7472                assert!(entry_view_state.entry(2).is_none());
7473                assert!(entry_view_state.entry(3).is_none());
7474            });
7475        });
7476    }
7477
7478    #[gpui::test]
7479    async fn test_scroll_to_most_recent_user_prompt(cx: &mut TestAppContext) {
7480        init_test(cx);
7481
7482        let connection = StubAgentConnection::new();
7483
7484        // Each user prompt will result in a user message entry plus an agent message entry.
7485        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7486            acp::ContentChunk::new("Response 1".into()),
7487        )]);
7488
7489        let (thread_view, cx) =
7490            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7491
7492        let thread = thread_view
7493            .read_with(cx, |view, _| view.thread().cloned())
7494            .unwrap();
7495
7496        thread
7497            .update(cx, |thread, cx| thread.send_raw("Prompt 1", cx))
7498            .await
7499            .unwrap();
7500        cx.run_until_parked();
7501
7502        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7503            acp::ContentChunk::new("Response 2".into()),
7504        )]);
7505
7506        thread
7507            .update(cx, |thread, cx| thread.send_raw("Prompt 2", cx))
7508            .await
7509            .unwrap();
7510        cx.run_until_parked();
7511
7512        // Move somewhere else first so we're not trivially already on the last user prompt.
7513        thread_view.update(cx, |view, cx| {
7514            view.scroll_to_top(cx);
7515        });
7516        cx.run_until_parked();
7517
7518        thread_view.update(cx, |view, cx| {
7519            view.scroll_to_most_recent_user_prompt(cx);
7520            let scroll_top = view.list_state.logical_scroll_top();
7521            // Entries layout is: [User1, Assistant1, User2, Assistant2]
7522            assert_eq!(scroll_top.item_ix, 2);
7523        });
7524    }
7525
7526    #[gpui::test]
7527    async fn test_scroll_to_most_recent_user_prompt_falls_back_to_bottom_without_user_messages(
7528        cx: &mut TestAppContext,
7529    ) {
7530        init_test(cx);
7531
7532        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
7533
7534        // With no entries, scrolling should be a no-op and must not panic.
7535        thread_view.update(cx, |view, cx| {
7536            view.scroll_to_most_recent_user_prompt(cx);
7537            let scroll_top = view.list_state.logical_scroll_top();
7538            assert_eq!(scroll_top.item_ix, 0);
7539        });
7540    }
7541
7542    #[gpui::test]
7543    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
7544        init_test(cx);
7545
7546        let connection = StubAgentConnection::new();
7547
7548        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7549            acp::ContentChunk::new("Response".into()),
7550        )]);
7551
7552        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7553        add_to_workspace(thread_view.clone(), cx);
7554
7555        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7556        message_editor.update_in(cx, |editor, window, cx| {
7557            editor.set_text("Original message to edit", window, cx);
7558        });
7559        thread_view.update_in(cx, |thread_view, window, cx| {
7560            thread_view.send(window, cx);
7561        });
7562
7563        cx.run_until_parked();
7564
7565        let user_message_editor = thread_view.read_with(cx, |view, cx| {
7566            assert_eq!(view.editing_message, None);
7567
7568            view.entry_view_state
7569                .read(cx)
7570                .entry(0)
7571                .unwrap()
7572                .message_editor()
7573                .unwrap()
7574                .clone()
7575        });
7576
7577        // Focus
7578        cx.focus(&user_message_editor);
7579        thread_view.read_with(cx, |view, _cx| {
7580            assert_eq!(view.editing_message, Some(0));
7581        });
7582
7583        // Edit
7584        user_message_editor.update_in(cx, |editor, window, cx| {
7585            editor.set_text("Edited message content", window, cx);
7586        });
7587
7588        // Cancel
7589        user_message_editor.update_in(cx, |_editor, window, cx| {
7590            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
7591        });
7592
7593        thread_view.read_with(cx, |view, _cx| {
7594            assert_eq!(view.editing_message, None);
7595        });
7596
7597        user_message_editor.read_with(cx, |editor, cx| {
7598            assert_eq!(editor.text(cx), "Original message to edit");
7599        });
7600    }
7601
7602    #[gpui::test]
7603    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
7604        init_test(cx);
7605
7606        let connection = StubAgentConnection::new();
7607
7608        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7609        add_to_workspace(thread_view.clone(), cx);
7610
7611        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7612        let mut events = cx.events(&message_editor);
7613        message_editor.update_in(cx, |editor, window, cx| {
7614            editor.set_text("", window, cx);
7615        });
7616
7617        message_editor.update_in(cx, |_editor, window, cx| {
7618            window.dispatch_action(Box::new(Chat), cx);
7619        });
7620        cx.run_until_parked();
7621        // We shouldn't have received any messages
7622        assert!(matches!(
7623            events.try_next(),
7624            Err(futures::channel::mpsc::TryRecvError { .. })
7625        ));
7626    }
7627
7628    #[gpui::test]
7629    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
7630        init_test(cx);
7631
7632        let connection = StubAgentConnection::new();
7633
7634        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7635            acp::ContentChunk::new("Response".into()),
7636        )]);
7637
7638        let (thread_view, cx) =
7639            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7640        add_to_workspace(thread_view.clone(), cx);
7641
7642        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7643        message_editor.update_in(cx, |editor, window, cx| {
7644            editor.set_text("Original message to edit", window, cx);
7645        });
7646        thread_view.update_in(cx, |thread_view, window, cx| {
7647            thread_view.send(window, cx);
7648        });
7649
7650        cx.run_until_parked();
7651
7652        let user_message_editor = thread_view.read_with(cx, |view, cx| {
7653            assert_eq!(view.editing_message, None);
7654            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
7655
7656            view.entry_view_state
7657                .read(cx)
7658                .entry(0)
7659                .unwrap()
7660                .message_editor()
7661                .unwrap()
7662                .clone()
7663        });
7664
7665        // Focus
7666        cx.focus(&user_message_editor);
7667
7668        // Edit
7669        user_message_editor.update_in(cx, |editor, window, cx| {
7670            editor.set_text("Edited message content", window, cx);
7671        });
7672
7673        // Send
7674        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7675            acp::ContentChunk::new("New Response".into()),
7676        )]);
7677
7678        user_message_editor.update_in(cx, |_editor, window, cx| {
7679            window.dispatch_action(Box::new(Chat), cx);
7680        });
7681
7682        cx.run_until_parked();
7683
7684        thread_view.read_with(cx, |view, cx| {
7685            assert_eq!(view.editing_message, None);
7686
7687            let entries = view.thread().unwrap().read(cx).entries();
7688            assert_eq!(entries.len(), 2);
7689            assert_eq!(
7690                entries[0].to_markdown(cx),
7691                "## User\n\nEdited message content\n\n"
7692            );
7693            assert_eq!(
7694                entries[1].to_markdown(cx),
7695                "## Assistant\n\nNew Response\n\n"
7696            );
7697
7698            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
7699                assert!(!state.entry(1).unwrap().has_content());
7700                state.entry(0).unwrap().message_editor().unwrap().clone()
7701            });
7702
7703            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
7704        })
7705    }
7706
7707    #[gpui::test]
7708    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
7709        init_test(cx);
7710
7711        let connection = StubAgentConnection::new();
7712
7713        let (thread_view, cx) =
7714            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7715        add_to_workspace(thread_view.clone(), cx);
7716
7717        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7718        message_editor.update_in(cx, |editor, window, cx| {
7719            editor.set_text("Original message to edit", window, cx);
7720        });
7721        thread_view.update_in(cx, |thread_view, window, cx| {
7722            thread_view.send(window, cx);
7723        });
7724
7725        cx.run_until_parked();
7726
7727        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
7728            let thread = view.thread().unwrap().read(cx);
7729            assert_eq!(thread.entries().len(), 1);
7730
7731            let editor = view
7732                .entry_view_state
7733                .read(cx)
7734                .entry(0)
7735                .unwrap()
7736                .message_editor()
7737                .unwrap()
7738                .clone();
7739
7740            (editor, thread.session_id().clone())
7741        });
7742
7743        // Focus
7744        cx.focus(&user_message_editor);
7745
7746        thread_view.read_with(cx, |view, _cx| {
7747            assert_eq!(view.editing_message, Some(0));
7748        });
7749
7750        // Edit
7751        user_message_editor.update_in(cx, |editor, window, cx| {
7752            editor.set_text("Edited message content", window, cx);
7753        });
7754
7755        thread_view.read_with(cx, |view, _cx| {
7756            assert_eq!(view.editing_message, Some(0));
7757        });
7758
7759        // Finish streaming response
7760        cx.update(|_, cx| {
7761            connection.send_update(
7762                session_id.clone(),
7763                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
7764                cx,
7765            );
7766            connection.end_turn(session_id, acp::StopReason::EndTurn);
7767        });
7768
7769        thread_view.read_with(cx, |view, _cx| {
7770            assert_eq!(view.editing_message, Some(0));
7771        });
7772
7773        cx.run_until_parked();
7774
7775        // Should still be editing
7776        cx.update(|window, cx| {
7777            assert!(user_message_editor.focus_handle(cx).is_focused(window));
7778            assert_eq!(thread_view.read(cx).editing_message, Some(0));
7779            assert_eq!(
7780                user_message_editor.read(cx).text(cx),
7781                "Edited message content"
7782            );
7783        });
7784    }
7785
7786    #[gpui::test]
7787    async fn test_interrupt(cx: &mut TestAppContext) {
7788        init_test(cx);
7789
7790        let connection = StubAgentConnection::new();
7791
7792        let (thread_view, cx) =
7793            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7794        add_to_workspace(thread_view.clone(), cx);
7795
7796        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7797        message_editor.update_in(cx, |editor, window, cx| {
7798            editor.set_text("Message 1", window, cx);
7799        });
7800        thread_view.update_in(cx, |thread_view, window, cx| {
7801            thread_view.send(window, cx);
7802        });
7803
7804        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
7805            let thread = view.thread().unwrap();
7806
7807            (thread.clone(), thread.read(cx).session_id().clone())
7808        });
7809
7810        cx.run_until_parked();
7811
7812        cx.update(|_, cx| {
7813            connection.send_update(
7814                session_id.clone(),
7815                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7816                    "Message 1 resp".into(),
7817                )),
7818                cx,
7819            );
7820        });
7821
7822        cx.run_until_parked();
7823
7824        thread.read_with(cx, |thread, cx| {
7825            assert_eq!(
7826                thread.to_markdown(cx),
7827                indoc::indoc! {"
7828                    ## User
7829
7830                    Message 1
7831
7832                    ## Assistant
7833
7834                    Message 1 resp
7835
7836                "}
7837            )
7838        });
7839
7840        message_editor.update_in(cx, |editor, window, cx| {
7841            editor.set_text("Message 2", window, cx);
7842        });
7843        thread_view.update_in(cx, |thread_view, window, cx| {
7844            thread_view.send(window, cx);
7845        });
7846
7847        cx.update(|_, cx| {
7848            // Simulate a response sent after beginning to cancel
7849            connection.send_update(
7850                session_id.clone(),
7851                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
7852                cx,
7853            );
7854        });
7855
7856        cx.run_until_parked();
7857
7858        // Last Message 1 response should appear before Message 2
7859        thread.read_with(cx, |thread, cx| {
7860            assert_eq!(
7861                thread.to_markdown(cx),
7862                indoc::indoc! {"
7863                    ## User
7864
7865                    Message 1
7866
7867                    ## Assistant
7868
7869                    Message 1 response
7870
7871                    ## User
7872
7873                    Message 2
7874
7875                "}
7876            )
7877        });
7878
7879        cx.update(|_, cx| {
7880            connection.send_update(
7881                session_id.clone(),
7882                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7883                    "Message 2 response".into(),
7884                )),
7885                cx,
7886            );
7887            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
7888        });
7889
7890        cx.run_until_parked();
7891
7892        thread.read_with(cx, |thread, cx| {
7893            assert_eq!(
7894                thread.to_markdown(cx),
7895                indoc::indoc! {"
7896                    ## User
7897
7898                    Message 1
7899
7900                    ## Assistant
7901
7902                    Message 1 response
7903
7904                    ## User
7905
7906                    Message 2
7907
7908                    ## Assistant
7909
7910                    Message 2 response
7911
7912                "}
7913            )
7914        });
7915    }
7916
7917    #[gpui::test]
7918    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
7919        init_test(cx);
7920
7921        let connection = StubAgentConnection::new();
7922        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7923            acp::ContentChunk::new("Response".into()),
7924        )]);
7925
7926        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7927        add_to_workspace(thread_view.clone(), cx);
7928
7929        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7930        message_editor.update_in(cx, |editor, window, cx| {
7931            editor.set_text("Original message to edit", window, cx)
7932        });
7933        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
7934        cx.run_until_parked();
7935
7936        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
7937            thread_view
7938                .entry_view_state
7939                .read(cx)
7940                .entry(0)
7941                .expect("Should have at least one entry")
7942                .message_editor()
7943                .expect("Should have message editor")
7944                .clone()
7945        });
7946
7947        cx.focus(&user_message_editor);
7948        thread_view.read_with(cx, |thread_view, _cx| {
7949            assert_eq!(thread_view.editing_message, Some(0));
7950        });
7951
7952        // Ensure to edit the focused message before proceeding otherwise, since
7953        // its content is not different from what was sent, focus will be lost.
7954        user_message_editor.update_in(cx, |editor, window, cx| {
7955            editor.set_text("Original message to edit with ", window, cx)
7956        });
7957
7958        // Create a simple buffer with some text so we can create a selection
7959        // that will then be added to the message being edited.
7960        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7961            (thread_view.workspace.clone(), thread_view.project.clone())
7962        });
7963        let buffer = project.update(cx, |project, cx| {
7964            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7965        });
7966
7967        workspace
7968            .update_in(cx, |workspace, window, cx| {
7969                let editor = cx.new(|cx| {
7970                    let mut editor =
7971                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7972
7973                    editor.change_selections(Default::default(), window, cx, |selections| {
7974                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7975                    });
7976
7977                    editor
7978                });
7979                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7980            })
7981            .unwrap();
7982
7983        thread_view.update_in(cx, |thread_view, window, cx| {
7984            assert_eq!(thread_view.editing_message, Some(0));
7985            thread_view.insert_selections(window, cx);
7986        });
7987
7988        user_message_editor.read_with(cx, |editor, cx| {
7989            let text = editor.editor().read(cx).text(cx);
7990            let expected_text = String::from("Original message to edit with selection ");
7991
7992            assert_eq!(text, expected_text);
7993        });
7994    }
7995
7996    #[gpui::test]
7997    async fn test_insert_selections(cx: &mut TestAppContext) {
7998        init_test(cx);
7999
8000        let connection = StubAgentConnection::new();
8001        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
8002            acp::ContentChunk::new("Response".into()),
8003        )]);
8004
8005        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
8006        add_to_workspace(thread_view.clone(), cx);
8007
8008        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
8009        message_editor.update_in(cx, |editor, window, cx| {
8010            editor.set_text("Can you review this snippet ", window, cx)
8011        });
8012
8013        // Create a simple buffer with some text so we can create a selection
8014        // that will then be added to the message being edited.
8015        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
8016            (thread_view.workspace.clone(), thread_view.project.clone())
8017        });
8018        let buffer = project.update(cx, |project, cx| {
8019            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
8020        });
8021
8022        workspace
8023            .update_in(cx, |workspace, window, cx| {
8024                let editor = cx.new(|cx| {
8025                    let mut editor =
8026                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
8027
8028                    editor.change_selections(Default::default(), window, cx, |selections| {
8029                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
8030                    });
8031
8032                    editor
8033                });
8034                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
8035            })
8036            .unwrap();
8037
8038        thread_view.update_in(cx, |thread_view, window, cx| {
8039            assert_eq!(thread_view.editing_message, None);
8040            thread_view.insert_selections(window, cx);
8041        });
8042
8043        thread_view.read_with(cx, |thread_view, cx| {
8044            let text = thread_view.message_editor.read(cx).text(cx);
8045            let expected_txt = String::from("Can you review this snippet selection ");
8046
8047            assert_eq!(text, expected_txt);
8048        })
8049    }
8050}