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, ClipboardItem,
  28    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  29    ListOffset, ListState, PlatformDisplay, SharedString, StyleRefinement, Subscription, Task,
  30    TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window, WindowHandle, div,
  31    ease_in_out, 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::{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, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  51    PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip, WithScrollbar, prelude::*,
  52};
  53use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  54use workspace::{CollaboratorId, NewTerminal, Workspace};
  55use zed_actions::agent::{Chat, ToggleModelSelector};
  56use zed_actions::assistant::OpenRulesLibrary;
  57
  58use super::entry_view_state::EntryViewState;
  59use crate::acp::AcpModelSelectorPopover;
  60use crate::acp::ModeSelector;
  61use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  62use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  63use crate::agent_diff::AgentDiff;
  64use crate::profile_selector::{ProfileProvider, ProfileSelector};
  65
  66use crate::ui::{AgentNotification, AgentNotificationEvent, BurnModeTooltip, UsageCallout};
  67use crate::{
  68    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
  69    CycleFavoriteModels, CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, NewThread,
  70    OpenAgentDiff, OpenHistory, RejectAll, RejectOnce, ToggleBurnMode, ToggleProfileSelector,
  71};
  72
  73#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  74enum ThreadFeedback {
  75    Positive,
  76    Negative,
  77}
  78
  79#[derive(Debug)]
  80enum ThreadError {
  81    PaymentRequired,
  82    ModelRequestLimitReached(cloud_llm_client::Plan),
  83    ToolUseLimitReached,
  84    Refusal,
  85    AuthenticationRequired(SharedString),
  86    Other(SharedString),
  87}
  88
  89impl ThreadError {
  90    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  91        if error.is::<language_model::PaymentRequiredError>() {
  92            Self::PaymentRequired
  93        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  94            Self::ToolUseLimitReached
  95        } else if let Some(error) =
  96            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  97        {
  98            Self::ModelRequestLimitReached(error.plan)
  99        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 100            && acp_error.code == acp::ErrorCode::AuthRequired
 101        {
 102            Self::AuthenticationRequired(acp_error.message.clone().into())
 103        } else {
 104            let string = format!("{:#}", error);
 105            // TODO: we should have Gemini return better errors here.
 106            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 107                && string.contains("Could not load the default credentials")
 108                || string.contains("API key not valid")
 109                || string.contains("Request had invalid authentication credentials")
 110            {
 111                Self::AuthenticationRequired(string.into())
 112            } else {
 113                Self::Other(string.into())
 114            }
 115        }
 116    }
 117}
 118
 119impl ProfileProvider for Entity<agent::Thread> {
 120    fn profile_id(&self, cx: &App) -> AgentProfileId {
 121        self.read(cx).profile().clone()
 122    }
 123
 124    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 125        self.update(cx, |thread, cx| {
 126            // Apply the profile and let the thread swap to its default model.
 127            thread.set_profile(profile_id, cx);
 128        });
 129    }
 130
 131    fn profiles_supported(&self, cx: &App) -> bool {
 132        self.read(cx)
 133            .model()
 134            .is_some_and(|model| model.supports_tools())
 135    }
 136}
 137
 138#[derive(Default)]
 139struct ThreadFeedbackState {
 140    feedback: Option<ThreadFeedback>,
 141    comments_editor: Option<Entity<Editor>>,
 142}
 143
 144impl ThreadFeedbackState {
 145    pub fn submit(
 146        &mut self,
 147        thread: Entity<AcpThread>,
 148        feedback: ThreadFeedback,
 149        window: &mut Window,
 150        cx: &mut App,
 151    ) {
 152        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 153            return;
 154        };
 155
 156        if self.feedback == Some(feedback) {
 157            return;
 158        }
 159
 160        self.feedback = Some(feedback);
 161        match feedback {
 162            ThreadFeedback::Positive => {
 163                self.comments_editor = None;
 164            }
 165            ThreadFeedback::Negative => {
 166                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 167            }
 168        }
 169        let session_id = thread.read(cx).session_id().clone();
 170        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 171        let task = telemetry.thread_data(&session_id, cx);
 172        let rating = match feedback {
 173            ThreadFeedback::Positive => "positive",
 174            ThreadFeedback::Negative => "negative",
 175        };
 176        cx.background_spawn(async move {
 177            let thread = task.await?;
 178            telemetry::event!(
 179                "Agent Thread Rated",
 180                agent = agent_telemetry_id,
 181                session_id = session_id,
 182                rating = rating,
 183                thread = thread
 184            );
 185            anyhow::Ok(())
 186        })
 187        .detach_and_log_err(cx);
 188    }
 189
 190    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 191        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 192            return;
 193        };
 194
 195        let Some(comments) = self
 196            .comments_editor
 197            .as_ref()
 198            .map(|editor| editor.read(cx).text(cx))
 199            .filter(|text| !text.trim().is_empty())
 200        else {
 201            return;
 202        };
 203
 204        self.comments_editor.take();
 205
 206        let session_id = thread.read(cx).session_id().clone();
 207        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 208        let task = telemetry.thread_data(&session_id, cx);
 209        cx.background_spawn(async move {
 210            let thread = task.await?;
 211            telemetry::event!(
 212                "Agent Thread Feedback Comments",
 213                agent = agent_telemetry_id,
 214                session_id = session_id,
 215                comments = comments,
 216                thread = thread
 217            );
 218            anyhow::Ok(())
 219        })
 220        .detach_and_log_err(cx);
 221    }
 222
 223    pub fn clear(&mut self) {
 224        *self = Self::default()
 225    }
 226
 227    pub fn dismiss_comments(&mut self) {
 228        self.comments_editor.take();
 229    }
 230
 231    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 232        let buffer = cx.new(|cx| {
 233            let empty_string = String::new();
 234            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 235        });
 236
 237        let editor = cx.new(|cx| {
 238            let mut editor = Editor::new(
 239                editor::EditorMode::AutoHeight {
 240                    min_lines: 1,
 241                    max_lines: Some(4),
 242                },
 243                buffer,
 244                None,
 245                window,
 246                cx,
 247            );
 248            editor.set_placeholder_text(
 249                "What went wrong? Share your feedback so we can improve.",
 250                window,
 251                cx,
 252            );
 253            editor
 254        });
 255
 256        editor.read(cx).focus_handle(cx).focus(window, cx);
 257        editor
 258    }
 259}
 260
 261pub struct AcpThreadView {
 262    agent: Rc<dyn AgentServer>,
 263    workspace: WeakEntity<Workspace>,
 264    project: Entity<Project>,
 265    thread_state: ThreadState,
 266    login: Option<task::SpawnInTerminal>,
 267    history_store: Entity<HistoryStore>,
 268    hovered_recent_history_item: Option<usize>,
 269    entry_view_state: Entity<EntryViewState>,
 270    message_editor: Entity<MessageEditor>,
 271    focus_handle: FocusHandle,
 272    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 273    profile_selector: Option<Entity<ProfileSelector>>,
 274    notifications: Vec<WindowHandle<AgentNotification>>,
 275    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 276    thread_retry_status: Option<RetryStatus>,
 277    thread_error: Option<ThreadError>,
 278    thread_error_markdown: Option<Entity<Markdown>>,
 279    thread_feedback: ThreadFeedbackState,
 280    list_state: ListState,
 281    auth_task: Option<Task<()>>,
 282    expanded_tool_calls: HashSet<acp::ToolCallId>,
 283    expanded_thinking_blocks: HashSet<(usize, usize)>,
 284    edits_expanded: bool,
 285    plan_expanded: bool,
 286    editor_expanded: bool,
 287    should_be_following: bool,
 288    editing_message: Option<usize>,
 289    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 290    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 291    is_loading_contents: bool,
 292    new_server_version_available: Option<SharedString>,
 293    resume_thread_metadata: Option<DbThreadMetadata>,
 294    _cancel_task: Option<Task<()>>,
 295    _subscriptions: [Subscription; 5],
 296    show_codex_windows_warning: bool,
 297    in_flight_prompt: Option<Vec<acp::ContentBlock>>,
 298}
 299
 300enum ThreadState {
 301    Loading(Entity<LoadingView>),
 302    Ready {
 303        thread: Entity<AcpThread>,
 304        title_editor: Option<Entity<Editor>>,
 305        mode_selector: Option<Entity<ModeSelector>>,
 306        _subscriptions: Vec<Subscription>,
 307    },
 308    LoadError(LoadError),
 309    Unauthenticated {
 310        connection: Rc<dyn AgentConnection>,
 311        description: Option<Entity<Markdown>>,
 312        configuration_view: Option<AnyView>,
 313        pending_auth_method: Option<acp::AuthMethodId>,
 314        _subscription: Option<Subscription>,
 315    },
 316}
 317
 318struct LoadingView {
 319    title: SharedString,
 320    _load_task: Task<()>,
 321    _update_title_task: Task<anyhow::Result<()>>,
 322}
 323
 324impl AcpThreadView {
 325    pub fn new(
 326        agent: Rc<dyn AgentServer>,
 327        resume_thread: Option<DbThreadMetadata>,
 328        summarize_thread: Option<DbThreadMetadata>,
 329        workspace: WeakEntity<Workspace>,
 330        project: Entity<Project>,
 331        history_store: Entity<HistoryStore>,
 332        prompt_store: Option<Entity<PromptStore>>,
 333        track_load_event: bool,
 334        window: &mut Window,
 335        cx: &mut Context<Self>,
 336    ) -> Self {
 337        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 338        let available_commands = Rc::new(RefCell::new(vec![]));
 339
 340        let placeholder = placeholder_text(agent.name().as_ref(), false);
 341
 342        let message_editor = cx.new(|cx| {
 343            let mut editor = MessageEditor::new(
 344                workspace.clone(),
 345                project.downgrade(),
 346                history_store.clone(),
 347                prompt_store.clone(),
 348                prompt_capabilities.clone(),
 349                available_commands.clone(),
 350                agent.name(),
 351                &placeholder,
 352                editor::EditorMode::AutoHeight {
 353                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 354                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 355                },
 356                window,
 357                cx,
 358            );
 359            if let Some(entry) = summarize_thread {
 360                editor.insert_thread_summary(entry, window, cx);
 361            }
 362            editor
 363        });
 364
 365        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 366
 367        let entry_view_state = cx.new(|_| {
 368            EntryViewState::new(
 369                workspace.clone(),
 370                project.downgrade(),
 371                history_store.clone(),
 372                prompt_store.clone(),
 373                prompt_capabilities.clone(),
 374                available_commands.clone(),
 375                agent.name(),
 376            )
 377        });
 378
 379        let agent_server_store = project.read(cx).agent_server_store().clone();
 380        let subscriptions = [
 381            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 382            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 383            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 384            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 385            cx.subscribe_in(
 386                &agent_server_store,
 387                window,
 388                Self::handle_agent_servers_updated,
 389            ),
 390        ];
 391
 392        cx.on_release(|this, cx| {
 393            for window in this.notifications.drain(..) {
 394                window
 395                    .update(cx, |_, window, _| {
 396                        window.remove_window();
 397                    })
 398                    .ok();
 399            }
 400        })
 401        .detach();
 402
 403        let show_codex_windows_warning = cfg!(windows)
 404            && project.read(cx).is_local()
 405            && agent.clone().downcast::<agent_servers::Codex>().is_some();
 406
 407        Self {
 408            agent: agent.clone(),
 409            workspace: workspace.clone(),
 410            project: project.clone(),
 411            entry_view_state,
 412            thread_state: Self::initial_state(
 413                agent.clone(),
 414                resume_thread.clone(),
 415                workspace.clone(),
 416                project.clone(),
 417                track_load_event,
 418                window,
 419                cx,
 420            ),
 421            login: None,
 422            message_editor,
 423            model_selector: None,
 424            profile_selector: None,
 425
 426            notifications: Vec::new(),
 427            notification_subscriptions: HashMap::default(),
 428            list_state: list_state,
 429            thread_retry_status: None,
 430            thread_error: None,
 431            thread_error_markdown: None,
 432            thread_feedback: Default::default(),
 433            auth_task: None,
 434            expanded_tool_calls: HashSet::default(),
 435            expanded_thinking_blocks: HashSet::default(),
 436            editing_message: None,
 437            edits_expanded: false,
 438            plan_expanded: false,
 439            prompt_capabilities,
 440            available_commands,
 441            editor_expanded: false,
 442            should_be_following: false,
 443            history_store,
 444            hovered_recent_history_item: None,
 445            is_loading_contents: false,
 446            _subscriptions: subscriptions,
 447            _cancel_task: None,
 448            focus_handle: cx.focus_handle(),
 449            new_server_version_available: None,
 450            resume_thread_metadata: resume_thread,
 451            show_codex_windows_warning,
 452            in_flight_prompt: None,
 453        }
 454    }
 455
 456    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 457        self.thread_state = Self::initial_state(
 458            self.agent.clone(),
 459            self.resume_thread_metadata.clone(),
 460            self.workspace.clone(),
 461            self.project.clone(),
 462            true,
 463            window,
 464            cx,
 465        );
 466        self.available_commands.replace(vec![]);
 467        self.new_server_version_available.take();
 468        cx.notify();
 469    }
 470
 471    fn initial_state(
 472        agent: Rc<dyn AgentServer>,
 473        resume_thread: Option<DbThreadMetadata>,
 474        workspace: WeakEntity<Workspace>,
 475        project: Entity<Project>,
 476        track_load_event: bool,
 477        window: &mut Window,
 478        cx: &mut Context<Self>,
 479    ) -> ThreadState {
 480        if project.read(cx).is_via_collab()
 481            && agent.clone().downcast::<NativeAgentServer>().is_none()
 482        {
 483            return ThreadState::LoadError(LoadError::Other(
 484                "External agents are not yet supported in shared projects.".into(),
 485            ));
 486        }
 487        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 488        // Pick the first non-single-file worktree for the root directory if there are any,
 489        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 490        worktrees.sort_by(|l, r| {
 491            l.read(cx)
 492                .is_single_file()
 493                .cmp(&r.read(cx).is_single_file())
 494        });
 495        let root_dir = worktrees
 496            .into_iter()
 497            .filter_map(|worktree| {
 498                if worktree.read(cx).is_single_file() {
 499                    Some(worktree.read(cx).abs_path().parent()?.into())
 500                } else {
 501                    Some(worktree.read(cx).abs_path())
 502                }
 503            })
 504            .next();
 505        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 506        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 507        let delegate = AgentServerDelegate::new(
 508            project.read(cx).agent_server_store().clone(),
 509            project.clone(),
 510            Some(status_tx),
 511            Some(new_version_available_tx),
 512        );
 513
 514        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 515        let load_task = cx.spawn_in(window, async move |this, cx| {
 516            let connection = match connect_task.await {
 517                Ok((connection, login)) => {
 518                    this.update(cx, |this, _| this.login = login).ok();
 519                    connection
 520                }
 521                Err(err) => {
 522                    this.update_in(cx, |this, window, cx| {
 523                        if err.downcast_ref::<LoadError>().is_some() {
 524                            this.handle_load_error(err, window, cx);
 525                        } else {
 526                            this.handle_thread_error(err, cx);
 527                        }
 528                        cx.notify();
 529                    })
 530                    .log_err();
 531                    return;
 532                }
 533            };
 534
 535            if track_load_event {
 536                telemetry::event!("Agent Thread Started", agent = connection.telemetry_id());
 537            }
 538
 539            let result = if let Some(native_agent) = connection
 540                .clone()
 541                .downcast::<agent::NativeAgentConnection>()
 542                && let Some(resume) = resume_thread.clone()
 543            {
 544                cx.update(|_, cx| {
 545                    native_agent
 546                        .0
 547                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 548                })
 549                .log_err()
 550            } else {
 551                let root_dir = root_dir.unwrap_or(paths::home_dir().as_path().into());
 552                cx.update(|_, cx| {
 553                    connection
 554                        .clone()
 555                        .new_thread(project.clone(), &root_dir, cx)
 556                })
 557                .log_err()
 558            };
 559
 560            let Some(result) = result else {
 561                return;
 562            };
 563
 564            let result = match result.await {
 565                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 566                    Ok(err) => {
 567                        cx.update(|window, cx| {
 568                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 569                        })
 570                        .log_err();
 571                        return;
 572                    }
 573                    Err(err) => Err(err),
 574                },
 575                Ok(thread) => Ok(thread),
 576            };
 577
 578            this.update_in(cx, |this, window, cx| {
 579                match result {
 580                    Ok(thread) => {
 581                        let action_log = thread.read(cx).action_log().clone();
 582
 583                        this.prompt_capabilities
 584                            .replace(thread.read(cx).prompt_capabilities());
 585
 586                        let count = thread.read(cx).entries().len();
 587                        this.entry_view_state.update(cx, |view_state, cx| {
 588                            for ix in 0..count {
 589                                view_state.sync_entry(ix, &thread, window, cx);
 590                            }
 591                            this.list_state.splice_focusable(
 592                                0..0,
 593                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 594                            );
 595                        });
 596
 597                        if let Some(resume) = resume_thread {
 598                            this.history_store.update(cx, |history, cx| {
 599                                history.push_recently_opened_entry(
 600                                    HistoryEntryId::AcpThread(resume.id),
 601                                    cx,
 602                                );
 603                            });
 604                        }
 605
 606                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 607
 608                        this.model_selector = thread
 609                            .read(cx)
 610                            .connection()
 611                            .model_selector(thread.read(cx).session_id())
 612                            .map(|selector| {
 613                                let agent_server = this.agent.clone();
 614                                let fs = this.project.read(cx).fs().clone();
 615                                cx.new(|cx| {
 616                                    AcpModelSelectorPopover::new(
 617                                        selector,
 618                                        agent_server,
 619                                        fs,
 620                                        PopoverMenuHandle::default(),
 621                                        this.focus_handle(cx),
 622                                        window,
 623                                        cx,
 624                                    )
 625                                })
 626                            });
 627
 628                        let mode_selector = thread
 629                            .read(cx)
 630                            .connection()
 631                            .session_modes(thread.read(cx).session_id(), cx)
 632                            .map(|session_modes| {
 633                                let fs = this.project.read(cx).fs().clone();
 634                                let focus_handle = this.focus_handle(cx);
 635                                cx.new(|_cx| {
 636                                    ModeSelector::new(
 637                                        session_modes,
 638                                        this.agent.clone(),
 639                                        fs,
 640                                        focus_handle,
 641                                    )
 642                                })
 643                            });
 644
 645                        let mut subscriptions = vec![
 646                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 647                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 648                        ];
 649
 650                        let title_editor =
 651                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 652                                let editor = cx.new(|cx| {
 653                                    let mut editor = Editor::single_line(window, cx);
 654                                    editor.set_text(thread.read(cx).title(), window, cx);
 655                                    editor
 656                                });
 657                                subscriptions.push(cx.subscribe_in(
 658                                    &editor,
 659                                    window,
 660                                    Self::handle_title_editor_event,
 661                                ));
 662                                Some(editor)
 663                            } else {
 664                                None
 665                            };
 666
 667                        this.thread_state = ThreadState::Ready {
 668                            thread,
 669                            title_editor,
 670                            mode_selector,
 671                            _subscriptions: subscriptions,
 672                        };
 673
 674                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 675                            cx.new(|cx| {
 676                                ProfileSelector::new(
 677                                    <dyn Fs>::global(cx),
 678                                    Arc::new(thread.clone()),
 679                                    this.focus_handle(cx),
 680                                    cx,
 681                                )
 682                            })
 683                        });
 684
 685                        this.message_editor.focus_handle(cx).focus(window, cx);
 686
 687                        cx.notify();
 688                    }
 689                    Err(err) => {
 690                        this.handle_load_error(err, window, cx);
 691                    }
 692                };
 693            })
 694            .log_err();
 695        });
 696
 697        cx.spawn(async move |this, cx| {
 698            while let Ok(new_version) = new_version_available_rx.recv().await {
 699                if let Some(new_version) = new_version {
 700                    this.update(cx, |this, cx| {
 701                        this.new_server_version_available = Some(new_version.into());
 702                        cx.notify();
 703                    })
 704                    .ok();
 705                }
 706            }
 707        })
 708        .detach();
 709
 710        let loading_view = cx.new(|cx| {
 711            let update_title_task = cx.spawn(async move |this, cx| {
 712                loop {
 713                    let status = status_rx.recv().await?;
 714                    this.update(cx, |this: &mut LoadingView, cx| {
 715                        this.title = status;
 716                        cx.notify();
 717                    })?;
 718                }
 719            });
 720
 721            LoadingView {
 722                title: "Loading…".into(),
 723                _load_task: load_task,
 724                _update_title_task: update_title_task,
 725            }
 726        });
 727
 728        ThreadState::Loading(loading_view)
 729    }
 730
 731    fn handle_auth_required(
 732        this: WeakEntity<Self>,
 733        err: AuthRequired,
 734        agent: Rc<dyn AgentServer>,
 735        connection: Rc<dyn AgentConnection>,
 736        window: &mut Window,
 737        cx: &mut App,
 738    ) {
 739        let agent_name = agent.name();
 740        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 741            let registry = LanguageModelRegistry::global(cx);
 742
 743            let sub = window.subscribe(&registry, cx, {
 744                let provider_id = provider_id.clone();
 745                let this = this.clone();
 746                move |_, ev, window, cx| {
 747                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 748                        && &provider_id == updated_provider_id
 749                        && LanguageModelRegistry::global(cx)
 750                            .read(cx)
 751                            .provider(&provider_id)
 752                            .map_or(false, |provider| provider.is_authenticated(cx))
 753                    {
 754                        this.update(cx, |this, cx| {
 755                            this.reset(window, cx);
 756                        })
 757                        .ok();
 758                    }
 759                }
 760            });
 761
 762            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 763                provider.configuration_view(
 764                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 765                    window,
 766                    cx,
 767                )
 768            });
 769
 770            (view, Some(sub))
 771        } else {
 772            (None, None)
 773        };
 774
 775        this.update(cx, |this, cx| {
 776            this.thread_state = ThreadState::Unauthenticated {
 777                pending_auth_method: None,
 778                connection,
 779                configuration_view,
 780                description: err
 781                    .description
 782                    .clone()
 783                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 784                _subscription: subscription,
 785            };
 786            if this.message_editor.focus_handle(cx).is_focused(window) {
 787                this.focus_handle.focus(window, cx)
 788            }
 789            cx.notify();
 790        })
 791        .ok();
 792    }
 793
 794    fn handle_load_error(
 795        &mut self,
 796        err: anyhow::Error,
 797        window: &mut Window,
 798        cx: &mut Context<Self>,
 799    ) {
 800        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 801            self.thread_state = ThreadState::LoadError(load_err.clone());
 802        } else {
 803            self.thread_state =
 804                ThreadState::LoadError(LoadError::Other(format!("{:#}", err).into()))
 805        }
 806        if self.message_editor.focus_handle(cx).is_focused(window) {
 807            self.focus_handle.focus(window, cx)
 808        }
 809        cx.notify();
 810    }
 811
 812    fn handle_agent_servers_updated(
 813        &mut self,
 814        _agent_server_store: &Entity<project::AgentServerStore>,
 815        _event: &project::AgentServersUpdated,
 816        window: &mut Window,
 817        cx: &mut Context<Self>,
 818    ) {
 819        // If we're in a LoadError state OR have a thread_error set (which can happen
 820        // when agent.connect() fails during loading), retry loading the thread.
 821        // This handles the case where a thread is restored before authentication completes.
 822        let should_retry =
 823            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 824
 825        if should_retry {
 826            self.thread_error = None;
 827            self.thread_error_markdown = None;
 828            self.reset(window, cx);
 829        }
 830    }
 831
 832    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 833        &self.workspace
 834    }
 835
 836    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 837        match &self.thread_state {
 838            ThreadState::Ready { thread, .. } => Some(thread),
 839            ThreadState::Unauthenticated { .. }
 840            | ThreadState::Loading { .. }
 841            | ThreadState::LoadError { .. } => None,
 842        }
 843    }
 844
 845    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 846        match &self.thread_state {
 847            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 848            ThreadState::Unauthenticated { .. }
 849            | ThreadState::Loading { .. }
 850            | ThreadState::LoadError { .. } => None,
 851        }
 852    }
 853
 854    pub fn title(&self, cx: &App) -> SharedString {
 855        match &self.thread_state {
 856            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 857            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 858            ThreadState::LoadError(error) => match error {
 859                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 860                LoadError::FailedToInstall(_) => {
 861                    format!("Failed to Install {}", self.agent.name()).into()
 862                }
 863                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 864                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 865            },
 866        }
 867    }
 868
 869    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 870        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 871            title_editor.clone()
 872        } else {
 873            None
 874        }
 875    }
 876
 877    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 878        self.thread_error.take();
 879        self.thread_retry_status.take();
 880
 881        if let Some(thread) = self.thread() {
 882            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 883        }
 884    }
 885
 886    pub fn expand_message_editor(
 887        &mut self,
 888        _: &ExpandMessageEditor,
 889        _window: &mut Window,
 890        cx: &mut Context<Self>,
 891    ) {
 892        self.set_editor_is_expanded(!self.editor_expanded, cx);
 893        cx.stop_propagation();
 894        cx.notify();
 895    }
 896
 897    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 898        self.editor_expanded = is_expanded;
 899        self.message_editor.update(cx, |editor, cx| {
 900            if is_expanded {
 901                editor.set_mode(
 902                    EditorMode::Full {
 903                        scale_ui_elements_with_buffer_font_size: false,
 904                        show_active_line_background: false,
 905                        sizing_behavior: SizingBehavior::ExcludeOverscrollMargin,
 906                    },
 907                    cx,
 908                )
 909            } else {
 910                let agent_settings = AgentSettings::get_global(cx);
 911                editor.set_mode(
 912                    EditorMode::AutoHeight {
 913                        min_lines: agent_settings.message_editor_min_lines,
 914                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 915                    },
 916                    cx,
 917                )
 918            }
 919        });
 920        cx.notify();
 921    }
 922
 923    pub fn handle_title_editor_event(
 924        &mut self,
 925        title_editor: &Entity<Editor>,
 926        event: &EditorEvent,
 927        window: &mut Window,
 928        cx: &mut Context<Self>,
 929    ) {
 930        let Some(thread) = self.thread() else { return };
 931
 932        match event {
 933            EditorEvent::BufferEdited => {
 934                let new_title = title_editor.read(cx).text(cx);
 935                thread.update(cx, |thread, cx| {
 936                    thread
 937                        .set_title(new_title.into(), cx)
 938                        .detach_and_log_err(cx);
 939                })
 940            }
 941            EditorEvent::Blurred => {
 942                if title_editor.read(cx).text(cx).is_empty() {
 943                    title_editor.update(cx, |editor, cx| {
 944                        editor.set_text("New Thread", window, cx);
 945                    });
 946                }
 947            }
 948            _ => {}
 949        }
 950    }
 951
 952    pub fn handle_message_editor_event(
 953        &mut self,
 954        _: &Entity<MessageEditor>,
 955        event: &MessageEditorEvent,
 956        window: &mut Window,
 957        cx: &mut Context<Self>,
 958    ) {
 959        match event {
 960            MessageEditorEvent::Send => self.send(window, cx),
 961            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 962            MessageEditorEvent::Focus => {
 963                self.cancel_editing(&Default::default(), window, cx);
 964            }
 965            MessageEditorEvent::LostFocus => {}
 966        }
 967    }
 968
 969    pub fn handle_entry_view_event(
 970        &mut self,
 971        _: &Entity<EntryViewState>,
 972        event: &EntryViewEvent,
 973        window: &mut Window,
 974        cx: &mut Context<Self>,
 975    ) {
 976        match &event.view_event {
 977            ViewEvent::NewDiff(tool_call_id) => {
 978                if AgentSettings::get_global(cx).expand_edit_card {
 979                    self.expanded_tool_calls.insert(tool_call_id.clone());
 980                }
 981            }
 982            ViewEvent::NewTerminal(tool_call_id) => {
 983                if AgentSettings::get_global(cx).expand_terminal_card {
 984                    self.expanded_tool_calls.insert(tool_call_id.clone());
 985                }
 986            }
 987            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 988                self.expanded_tool_calls.remove(tool_call_id);
 989            }
 990            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 991                if let Some(thread) = self.thread()
 992                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 993                        thread.read(cx).entries().get(event.entry_index)
 994                    && user_message.id.is_some()
 995                {
 996                    self.editing_message = Some(event.entry_index);
 997                    cx.notify();
 998                }
 999            }
1000            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
1001                if let Some(thread) = self.thread()
1002                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
1003                        thread.read(cx).entries().get(event.entry_index)
1004                    && user_message.id.is_some()
1005                {
1006                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
1007                        self.editing_message = None;
1008                        cx.notify();
1009                    }
1010                }
1011            }
1012            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
1013                self.regenerate(event.entry_index, editor.clone(), window, cx);
1014            }
1015            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
1016                self.cancel_editing(&Default::default(), window, cx);
1017            }
1018        }
1019    }
1020
1021    pub fn is_loading(&self) -> bool {
1022        matches!(self.thread_state, ThreadState::Loading { .. })
1023    }
1024
1025    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1026        self.thread_error.take();
1027        let Some(thread) = self.thread() else {
1028            return;
1029        };
1030        if !thread.read(cx).can_resume(cx) {
1031            return;
1032        }
1033
1034        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1035        cx.spawn(async move |this, cx| {
1036            let result = task.await;
1037
1038            this.update(cx, |this, cx| {
1039                if let Err(err) = result {
1040                    this.handle_thread_error(err, cx);
1041                }
1042            })
1043        })
1044        .detach();
1045    }
1046
1047    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1048        let Some(thread) = self.thread() else { return };
1049
1050        if self.is_loading_contents {
1051            return;
1052        }
1053
1054        self.history_store.update(cx, |history, cx| {
1055            history.push_recently_opened_entry(
1056                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1057                cx,
1058            );
1059        });
1060
1061        if thread.read(cx).status() != ThreadStatus::Idle {
1062            self.stop_current_and_send_new_message(window, cx);
1063            return;
1064        }
1065
1066        let text = self.message_editor.read(cx).text(cx);
1067        let text = text.trim();
1068        if text == "/login" || text == "/logout" {
1069            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1070                return;
1071            };
1072
1073            let connection = thread.read(cx).connection().clone();
1074            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1075            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1076            let logout_supported = text == "/logout"
1077                && self
1078                    .available_commands
1079                    .borrow()
1080                    .iter()
1081                    .any(|command| command.name == "logout");
1082            if can_login && !logout_supported {
1083                self.message_editor
1084                    .update(cx, |editor, cx| editor.clear(window, cx));
1085
1086                let this = cx.weak_entity();
1087                let agent = self.agent.clone();
1088                window.defer(cx, |window, cx| {
1089                    Self::handle_auth_required(
1090                        this,
1091                        AuthRequired {
1092                            description: None,
1093                            provider_id: None,
1094                        },
1095                        agent,
1096                        connection,
1097                        window,
1098                        cx,
1099                    );
1100                });
1101                cx.notify();
1102                return;
1103            }
1104        }
1105
1106        self.send_impl(self.message_editor.clone(), window, cx)
1107    }
1108
1109    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1110        let Some(thread) = self.thread().cloned() else {
1111            return;
1112        };
1113
1114        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1115
1116        cx.spawn_in(window, async move |this, cx| {
1117            cancelled.await;
1118
1119            this.update_in(cx, |this, window, cx| {
1120                this.send_impl(this.message_editor.clone(), window, cx);
1121            })
1122            .ok();
1123        })
1124        .detach();
1125    }
1126
1127    fn send_impl(
1128        &mut self,
1129        message_editor: Entity<MessageEditor>,
1130        window: &mut Window,
1131        cx: &mut Context<Self>,
1132    ) {
1133        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1134            // Include full contents when using minimal profile
1135            let thread = thread.read(cx);
1136            AgentSettings::get_global(cx)
1137                .profiles
1138                .get(thread.profile())
1139                .is_some_and(|profile| profile.tools.is_empty())
1140        });
1141
1142        let contents = message_editor.update(cx, |message_editor, cx| {
1143            message_editor.contents(full_mention_content, cx)
1144        });
1145
1146        self.thread_error.take();
1147        self.editing_message.take();
1148        self.thread_feedback.clear();
1149
1150        let Some(thread) = self.thread() else {
1151            return;
1152        };
1153        let session_id = thread.read(cx).session_id().clone();
1154        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
1155        let thread = thread.downgrade();
1156        if self.should_be_following {
1157            self.workspace
1158                .update(cx, |workspace, cx| {
1159                    workspace.follow(CollaboratorId::Agent, window, cx);
1160                })
1161                .ok();
1162        }
1163
1164        self.is_loading_contents = true;
1165        let model_id = self.current_model_id(cx);
1166        let mode_id = self.current_mode_id(cx);
1167        let guard = cx.new(|_| ());
1168        cx.observe_release(&guard, |this, _guard, cx| {
1169            this.is_loading_contents = false;
1170            cx.notify();
1171        })
1172        .detach();
1173
1174        let task = cx.spawn_in(window, async move |this, cx| {
1175            let (contents, tracked_buffers) = contents.await?;
1176
1177            if contents.is_empty() {
1178                return Ok(());
1179            }
1180
1181            this.update_in(cx, |this, window, cx| {
1182                this.in_flight_prompt = Some(contents.clone());
1183                this.set_editor_is_expanded(false, cx);
1184                this.scroll_to_bottom(cx);
1185                this.message_editor.update(cx, |message_editor, cx| {
1186                    message_editor.clear(window, cx);
1187                });
1188            })?;
1189            let turn_start_time = Instant::now();
1190            let send = thread.update(cx, |thread, cx| {
1191                thread.action_log().update(cx, |action_log, cx| {
1192                    for buffer in tracked_buffers {
1193                        action_log.buffer_read(buffer, cx)
1194                    }
1195                });
1196                drop(guard);
1197
1198                telemetry::event!(
1199                    "Agent Message Sent",
1200                    agent = agent_telemetry_id,
1201                    session = session_id,
1202                    model = model_id,
1203                    mode = mode_id
1204                );
1205
1206                thread.send(contents, cx)
1207            })?;
1208            let res = send.await;
1209            let turn_time_ms = turn_start_time.elapsed().as_millis();
1210            let status = if res.is_ok() {
1211                this.update(cx, |this, _| this.in_flight_prompt.take()).ok();
1212                "success"
1213            } else {
1214                "failure"
1215            };
1216            telemetry::event!(
1217                "Agent Turn Completed",
1218                agent = agent_telemetry_id,
1219                session = session_id,
1220                model = model_id,
1221                mode = mode_id,
1222                status,
1223                turn_time_ms,
1224            );
1225            res
1226        });
1227
1228        cx.spawn(async move |this, cx| {
1229            if let Err(err) = task.await {
1230                this.update(cx, |this, cx| {
1231                    this.handle_thread_error(err, cx);
1232                })
1233                .ok();
1234            } else {
1235                this.update(cx, |this, cx| {
1236                    this.should_be_following = this
1237                        .workspace
1238                        .update(cx, |workspace, _| {
1239                            workspace.is_being_followed(CollaboratorId::Agent)
1240                        })
1241                        .unwrap_or_default();
1242                })
1243                .ok();
1244            }
1245        })
1246        .detach();
1247    }
1248
1249    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1250        let Some(thread) = self.thread().cloned() else {
1251            return;
1252        };
1253
1254        if let Some(index) = self.editing_message.take()
1255            && let Some(editor) = self
1256                .entry_view_state
1257                .read(cx)
1258                .entry(index)
1259                .and_then(|e| e.message_editor())
1260                .cloned()
1261        {
1262            editor.update(cx, |editor, cx| {
1263                if let Some(user_message) = thread
1264                    .read(cx)
1265                    .entries()
1266                    .get(index)
1267                    .and_then(|e| e.user_message())
1268                {
1269                    editor.set_message(user_message.chunks.clone(), window, cx);
1270                }
1271            })
1272        };
1273        self.focus_handle(cx).focus(window, cx);
1274        cx.notify();
1275    }
1276
1277    fn regenerate(
1278        &mut self,
1279        entry_ix: usize,
1280        message_editor: Entity<MessageEditor>,
1281        window: &mut Window,
1282        cx: &mut Context<Self>,
1283    ) {
1284        let Some(thread) = self.thread().cloned() else {
1285            return;
1286        };
1287        if self.is_loading_contents {
1288            return;
1289        }
1290
1291        let Some(user_message_id) = thread.update(cx, |thread, _| {
1292            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1293        }) else {
1294            return;
1295        };
1296
1297        cx.spawn_in(window, async move |this, cx| {
1298            // Check if there are any edits from prompts before the one being regenerated.
1299            //
1300            // If there are, we keep/accept them since we're not regenerating the prompt that created them.
1301            //
1302            // If editing the prompt that generated the edits, they are auto-rejected
1303            // through the `rewind` function in the `acp_thread`.
1304            let has_earlier_edits = thread.read_with(cx, |thread, _| {
1305                thread
1306                    .entries()
1307                    .iter()
1308                    .take(entry_ix)
1309                    .any(|entry| entry.diffs().next().is_some())
1310            })?;
1311
1312            if has_earlier_edits {
1313                thread.update(cx, |thread, cx| {
1314                    thread.action_log().update(cx, |action_log, cx| {
1315                        action_log.keep_all_edits(None, cx);
1316                    });
1317                })?;
1318            }
1319
1320            thread
1321                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1322                .await?;
1323            this.update_in(cx, |this, window, cx| {
1324                this.send_impl(message_editor, window, cx);
1325                this.focus_handle(cx).focus(window, cx);
1326            })?;
1327            anyhow::Ok(())
1328        })
1329        .detach_and_log_err(cx);
1330    }
1331
1332    fn open_edited_buffer(
1333        &mut self,
1334        buffer: &Entity<Buffer>,
1335        window: &mut Window,
1336        cx: &mut Context<Self>,
1337    ) {
1338        let Some(thread) = self.thread() else {
1339            return;
1340        };
1341
1342        let Some(diff) =
1343            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1344        else {
1345            return;
1346        };
1347
1348        diff.update(cx, |diff, cx| {
1349            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1350        })
1351    }
1352
1353    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1354        let Some(thread) = self.as_native_thread(cx) else {
1355            return;
1356        };
1357        let project_context = thread.read(cx).project_context().read(cx);
1358
1359        let project_entry_ids = project_context
1360            .worktrees
1361            .iter()
1362            .flat_map(|worktree| worktree.rules_file.as_ref())
1363            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1364            .collect::<Vec<_>>();
1365
1366        self.workspace
1367            .update(cx, move |workspace, cx| {
1368                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1369                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1370                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1371                let project = workspace.project().read(cx);
1372                let project_paths = project_entry_ids
1373                    .into_iter()
1374                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1375                    .collect::<Vec<_>>();
1376                for project_path in project_paths {
1377                    workspace
1378                        .open_path(project_path, None, true, window, cx)
1379                        .detach_and_log_err(cx);
1380                }
1381            })
1382            .ok();
1383    }
1384
1385    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1386        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1387        cx.notify();
1388    }
1389
1390    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1391        self.thread_error = None;
1392        self.thread_error_markdown = None;
1393        cx.notify();
1394    }
1395
1396    fn handle_thread_event(
1397        &mut self,
1398        thread: &Entity<AcpThread>,
1399        event: &AcpThreadEvent,
1400        window: &mut Window,
1401        cx: &mut Context<Self>,
1402    ) {
1403        match event {
1404            AcpThreadEvent::NewEntry => {
1405                let len = thread.read(cx).entries().len();
1406                let index = len - 1;
1407                self.entry_view_state.update(cx, |view_state, cx| {
1408                    view_state.sync_entry(index, thread, window, cx);
1409                    self.list_state.splice_focusable(
1410                        index..index,
1411                        [view_state
1412                            .entry(index)
1413                            .and_then(|entry| entry.focus_handle(cx))],
1414                    );
1415                });
1416            }
1417            AcpThreadEvent::EntryUpdated(index) => {
1418                self.entry_view_state.update(cx, |view_state, cx| {
1419                    view_state.sync_entry(*index, thread, window, cx)
1420                });
1421            }
1422            AcpThreadEvent::EntriesRemoved(range) => {
1423                self.entry_view_state
1424                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1425                self.list_state.splice(range.clone(), 0);
1426            }
1427            AcpThreadEvent::ToolAuthorizationRequired => {
1428                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1429            }
1430            AcpThreadEvent::Retry(retry) => {
1431                self.thread_retry_status = Some(retry.clone());
1432            }
1433            AcpThreadEvent::Stopped => {
1434                self.thread_retry_status.take();
1435                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1436                self.notify_with_sound(
1437                    if used_tools {
1438                        "Finished running tools"
1439                    } else {
1440                        "New message"
1441                    },
1442                    IconName::ZedAssistant,
1443                    window,
1444                    cx,
1445                );
1446            }
1447            AcpThreadEvent::Refusal => {
1448                self.thread_retry_status.take();
1449                self.thread_error = Some(ThreadError::Refusal);
1450                let model_or_agent_name = self.current_model_name(cx);
1451                let notification_message =
1452                    format!("{} refused to respond to this request", model_or_agent_name);
1453                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1454            }
1455            AcpThreadEvent::Error => {
1456                self.thread_retry_status.take();
1457                self.notify_with_sound(
1458                    "Agent stopped due to an error",
1459                    IconName::Warning,
1460                    window,
1461                    cx,
1462                );
1463            }
1464            AcpThreadEvent::LoadError(error) => {
1465                self.thread_retry_status.take();
1466                self.thread_state = ThreadState::LoadError(error.clone());
1467                if self.message_editor.focus_handle(cx).is_focused(window) {
1468                    self.focus_handle.focus(window, cx)
1469                }
1470            }
1471            AcpThreadEvent::TitleUpdated => {
1472                let title = thread.read(cx).title();
1473                if let Some(title_editor) = self.title_editor() {
1474                    title_editor.update(cx, |editor, cx| {
1475                        if editor.text(cx) != title {
1476                            editor.set_text(title, window, cx);
1477                        }
1478                    });
1479                }
1480            }
1481            AcpThreadEvent::PromptCapabilitiesUpdated => {
1482                self.prompt_capabilities
1483                    .replace(thread.read(cx).prompt_capabilities());
1484            }
1485            AcpThreadEvent::TokenUsageUpdated => {}
1486            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1487                let mut available_commands = available_commands.clone();
1488
1489                if thread
1490                    .read(cx)
1491                    .connection()
1492                    .auth_methods()
1493                    .iter()
1494                    .any(|method| method.id.0.as_ref() == "claude-login")
1495                {
1496                    available_commands.push(acp::AvailableCommand::new("login", "Authenticate"));
1497                    available_commands.push(acp::AvailableCommand::new("logout", "Authenticate"));
1498                }
1499
1500                let has_commands = !available_commands.is_empty();
1501                self.available_commands.replace(available_commands);
1502
1503                let new_placeholder = placeholder_text(self.agent.name().as_ref(), has_commands);
1504
1505                self.message_editor.update(cx, |editor, cx| {
1506                    editor.set_placeholder_text(&new_placeholder, window, cx);
1507                });
1508            }
1509            AcpThreadEvent::ModeUpdated(_mode) => {
1510                // The connection keeps track of the mode
1511                cx.notify();
1512            }
1513        }
1514        cx.notify();
1515    }
1516
1517    fn authenticate(
1518        &mut self,
1519        method: acp::AuthMethodId,
1520        window: &mut Window,
1521        cx: &mut Context<Self>,
1522    ) {
1523        let ThreadState::Unauthenticated {
1524            connection,
1525            pending_auth_method,
1526            configuration_view,
1527            ..
1528        } = &mut self.thread_state
1529        else {
1530            return;
1531        };
1532        let agent_telemetry_id = connection.telemetry_id();
1533
1534        // Check for the experimental "terminal-auth" _meta field
1535        let auth_method = connection.auth_methods().iter().find(|m| m.id == method);
1536
1537        if let Some(auth_method) = auth_method {
1538            if let Some(meta) = &auth_method.meta {
1539                if let Some(terminal_auth) = meta.get("terminal-auth") {
1540                    // Extract terminal auth details from meta
1541                    if let (Some(command), Some(label)) = (
1542                        terminal_auth.get("command").and_then(|v| v.as_str()),
1543                        terminal_auth.get("label").and_then(|v| v.as_str()),
1544                    ) {
1545                        let args = terminal_auth
1546                            .get("args")
1547                            .and_then(|v| v.as_array())
1548                            .map(|arr| {
1549                                arr.iter()
1550                                    .filter_map(|v| v.as_str().map(String::from))
1551                                    .collect()
1552                            })
1553                            .unwrap_or_default();
1554
1555                        let env = terminal_auth
1556                            .get("env")
1557                            .and_then(|v| v.as_object())
1558                            .map(|obj| {
1559                                obj.iter()
1560                                    .filter_map(|(k, v)| {
1561                                        v.as_str().map(|val| (k.clone(), val.to_string()))
1562                                    })
1563                                    .collect::<HashMap<String, String>>()
1564                            })
1565                            .unwrap_or_default();
1566
1567                        // Run SpawnInTerminal in the same dir as the ACP server
1568                        let cwd = connection
1569                            .clone()
1570                            .downcast::<agent_servers::AcpConnection>()
1571                            .map(|acp_conn| acp_conn.root_dir().to_path_buf());
1572
1573                        // Build SpawnInTerminal from _meta
1574                        let login = task::SpawnInTerminal {
1575                            id: task::TaskId(format!("external-agent-{}-login", label)),
1576                            full_label: label.to_string(),
1577                            label: label.to_string(),
1578                            command: Some(command.to_string()),
1579                            args,
1580                            command_label: label.to_string(),
1581                            cwd,
1582                            env,
1583                            use_new_terminal: true,
1584                            allow_concurrent_runs: true,
1585                            hide: task::HideStrategy::Always,
1586                            ..Default::default()
1587                        };
1588
1589                        self.thread_error.take();
1590                        configuration_view.take();
1591                        pending_auth_method.replace(method.clone());
1592
1593                        if let Some(workspace) = self.workspace.upgrade() {
1594                            let project = self.project.clone();
1595                            let authenticate = Self::spawn_external_agent_login(
1596                                login, workspace, project, false, true, window, cx,
1597                            );
1598                            cx.notify();
1599                            self.auth_task = Some(cx.spawn_in(window, {
1600                                async move |this, cx| {
1601                                    let result = authenticate.await;
1602
1603                                    match &result {
1604                                        Ok(_) => telemetry::event!(
1605                                            "Authenticate Agent Succeeded",
1606                                            agent = agent_telemetry_id
1607                                        ),
1608                                        Err(_) => {
1609                                            telemetry::event!(
1610                                                "Authenticate Agent Failed",
1611                                                agent = agent_telemetry_id,
1612                                            )
1613                                        }
1614                                    }
1615
1616                                    this.update_in(cx, |this, window, cx| {
1617                                        if let Err(err) = result {
1618                                            if let ThreadState::Unauthenticated {
1619                                                pending_auth_method,
1620                                                ..
1621                                            } = &mut this.thread_state
1622                                            {
1623                                                pending_auth_method.take();
1624                                            }
1625                                            this.handle_thread_error(err, cx);
1626                                        } else {
1627                                            this.reset(window, cx);
1628                                        }
1629                                        this.auth_task.take()
1630                                    })
1631                                    .ok();
1632                                }
1633                            }));
1634                        }
1635                        return;
1636                    }
1637                }
1638            }
1639        }
1640
1641        if method.0.as_ref() == "gemini-api-key" {
1642            let registry = LanguageModelRegistry::global(cx);
1643            let provider = registry
1644                .read(cx)
1645                .provider(&language_model::GOOGLE_PROVIDER_ID)
1646                .unwrap();
1647            if !provider.is_authenticated(cx) {
1648                let this = cx.weak_entity();
1649                let agent = self.agent.clone();
1650                let connection = connection.clone();
1651                window.defer(cx, |window, cx| {
1652                    Self::handle_auth_required(
1653                        this,
1654                        AuthRequired {
1655                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1656                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1657                        },
1658                        agent,
1659                        connection,
1660                        window,
1661                        cx,
1662                    );
1663                });
1664                return;
1665            }
1666        } else if method.0.as_ref() == "vertex-ai"
1667            && std::env::var("GOOGLE_API_KEY").is_err()
1668            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1669                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1670        {
1671            let this = cx.weak_entity();
1672            let agent = self.agent.clone();
1673            let connection = connection.clone();
1674
1675            window.defer(cx, |window, cx| {
1676                    Self::handle_auth_required(
1677                        this,
1678                        AuthRequired {
1679                            description: Some(
1680                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1681                                    .to_owned(),
1682                            ),
1683                            provider_id: None,
1684                        },
1685                        agent,
1686                        connection,
1687                        window,
1688                        cx,
1689                    )
1690                });
1691            return;
1692        }
1693
1694        self.thread_error.take();
1695        configuration_view.take();
1696        pending_auth_method.replace(method.clone());
1697        let authenticate = if (method.0.as_ref() == "claude-login"
1698            || method.0.as_ref() == "spawn-gemini-cli")
1699            && let Some(login) = self.login.clone()
1700        {
1701            if let Some(workspace) = self.workspace.upgrade() {
1702                let project = self.project.clone();
1703                Self::spawn_external_agent_login(
1704                    login, workspace, project, false, false, window, cx,
1705                )
1706            } else {
1707                Task::ready(Ok(()))
1708            }
1709        } else {
1710            connection.authenticate(method, cx)
1711        };
1712        cx.notify();
1713        self.auth_task = Some(cx.spawn_in(window, {
1714            async move |this, cx| {
1715                let result = authenticate.await;
1716
1717                match &result {
1718                    Ok(_) => telemetry::event!(
1719                        "Authenticate Agent Succeeded",
1720                        agent = agent_telemetry_id
1721                    ),
1722                    Err(_) => {
1723                        telemetry::event!("Authenticate Agent Failed", agent = agent_telemetry_id,)
1724                    }
1725                }
1726
1727                this.update_in(cx, |this, window, cx| {
1728                    if let Err(err) = result {
1729                        if let ThreadState::Unauthenticated {
1730                            pending_auth_method,
1731                            ..
1732                        } = &mut this.thread_state
1733                        {
1734                            pending_auth_method.take();
1735                        }
1736                        this.handle_thread_error(err, cx);
1737                    } else {
1738                        this.reset(window, cx);
1739                    }
1740                    this.auth_task.take()
1741                })
1742                .ok();
1743            }
1744        }));
1745    }
1746
1747    fn spawn_external_agent_login(
1748        login: task::SpawnInTerminal,
1749        workspace: Entity<Workspace>,
1750        project: Entity<Project>,
1751        previous_attempt: bool,
1752        check_exit_code: bool,
1753        window: &mut Window,
1754        cx: &mut App,
1755    ) -> Task<Result<()>> {
1756        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1757            return Task::ready(Ok(()));
1758        };
1759
1760        window.spawn(cx, async move |cx| {
1761            let mut task = login.clone();
1762            if let Some(cmd) = &task.command {
1763                // Have "node" command use Zed's managed Node runtime by default
1764                if cmd == "node" {
1765                    let resolved_node_runtime = project
1766                        .update(cx, |project, cx| {
1767                            let agent_server_store = project.agent_server_store().clone();
1768                            agent_server_store.update(cx, |store, cx| {
1769                                store.node_runtime().map(|node_runtime| {
1770                                    cx.background_spawn(async move {
1771                                        node_runtime.binary_path().await
1772                                    })
1773                                })
1774                            })
1775                        });
1776
1777                    if let Ok(Some(resolve_task)) = resolved_node_runtime {
1778                        if let Ok(node_path) = resolve_task.await {
1779                            task.command = Some(node_path.to_string_lossy().to_string());
1780                        }
1781                    }
1782                }
1783            }
1784            task.shell = task::Shell::WithArguments {
1785                program: task.command.take().expect("login command should be set"),
1786                args: std::mem::take(&mut task.args),
1787                title_override: None
1788            };
1789            task.full_label = task.label.clone();
1790            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1791            task.command_label = task.label.clone();
1792            task.use_new_terminal = true;
1793            task.allow_concurrent_runs = true;
1794            task.hide = task::HideStrategy::Always;
1795
1796            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1797                terminal_panel.spawn_task(&task, window, cx)
1798            })?;
1799
1800            let terminal = terminal.await?;
1801
1802            if check_exit_code {
1803                // For extension-based auth, wait for the process to exit and check exit code
1804                let exit_status = terminal
1805                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1806                    .await;
1807
1808                match exit_status {
1809                    Some(status) if status.success() => {
1810                        Ok(())
1811                    }
1812                    Some(status) => {
1813                        Err(anyhow!("Login command failed with exit code: {:?}", status.code()))
1814                    }
1815                    None => {
1816                        Err(anyhow!("Login command terminated without exit status"))
1817                    }
1818                }
1819            } else {
1820                // For hardcoded agents (claude-login, gemini-cli): look for specific output
1821                let mut exit_status = terminal
1822                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1823                    .fuse();
1824
1825                let logged_in = cx
1826                    .spawn({
1827                        let terminal = terminal.clone();
1828                        async move |cx| {
1829                            loop {
1830                                cx.background_executor().timer(Duration::from_secs(1)).await;
1831                                let content =
1832                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1833                                if content.contains("Login successful")
1834                                    || content.contains("Type your message")
1835                                {
1836                                    return anyhow::Ok(());
1837                                }
1838                            }
1839                        }
1840                    })
1841                    .fuse();
1842                futures::pin_mut!(logged_in);
1843                futures::select_biased! {
1844                    result = logged_in => {
1845                        if let Err(e) = result {
1846                            log::error!("{e}");
1847                            return Err(anyhow!("exited before logging in"));
1848                        }
1849                    }
1850                    _ = exit_status => {
1851                        if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1852                            return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, project.clone(), true, false, window, cx))?.await
1853                        }
1854                        return Err(anyhow!("exited before logging in"));
1855                    }
1856                }
1857                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1858                Ok(())
1859            }
1860        })
1861    }
1862
1863    pub fn has_user_submitted_prompt(&self, cx: &App) -> bool {
1864        self.thread().is_some_and(|thread| {
1865            thread.read(cx).entries().iter().any(|entry| {
1866                matches!(
1867                    entry,
1868                    AgentThreadEntry::UserMessage(user_message) if user_message.id.is_some()
1869                )
1870            })
1871        })
1872    }
1873
1874    fn authorize_tool_call(
1875        &mut self,
1876        tool_call_id: acp::ToolCallId,
1877        option_id: acp::PermissionOptionId,
1878        option_kind: acp::PermissionOptionKind,
1879        window: &mut Window,
1880        cx: &mut Context<Self>,
1881    ) {
1882        let Some(thread) = self.thread() else {
1883            return;
1884        };
1885        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
1886
1887        telemetry::event!(
1888            "Agent Tool Call Authorized",
1889            agent = agent_telemetry_id,
1890            session = thread.read(cx).session_id(),
1891            option = option_kind
1892        );
1893
1894        thread.update(cx, |thread, cx| {
1895            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1896        });
1897        if self.should_be_following {
1898            self.workspace
1899                .update(cx, |workspace, cx| {
1900                    workspace.follow(CollaboratorId::Agent, window, cx);
1901                })
1902                .ok();
1903        }
1904        cx.notify();
1905    }
1906
1907    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1908        let Some(thread) = self.thread() else {
1909            return;
1910        };
1911
1912        thread
1913            .update(cx, |thread, cx| {
1914                thread.restore_checkpoint(message_id.clone(), cx)
1915            })
1916            .detach_and_log_err(cx);
1917    }
1918
1919    fn render_entry(
1920        &self,
1921        entry_ix: usize,
1922        total_entries: usize,
1923        entry: &AgentThreadEntry,
1924        window: &mut Window,
1925        cx: &Context<Self>,
1926    ) -> AnyElement {
1927        let is_indented = entry.is_indented();
1928        let is_first_indented = is_indented
1929            && self.thread().is_some_and(|thread| {
1930                thread
1931                    .read(cx)
1932                    .entries()
1933                    .get(entry_ix.saturating_sub(1))
1934                    .is_none_or(|entry| !entry.is_indented())
1935            });
1936
1937        let primary = match &entry {
1938            AgentThreadEntry::UserMessage(message) => {
1939                let Some(editor) = self
1940                    .entry_view_state
1941                    .read(cx)
1942                    .entry(entry_ix)
1943                    .and_then(|entry| entry.message_editor())
1944                    .cloned()
1945                else {
1946                    return Empty.into_any_element();
1947                };
1948
1949                let editing = self.editing_message == Some(entry_ix);
1950                let editor_focus = editor.focus_handle(cx).is_focused(window);
1951                let focus_border = cx.theme().colors().border_focused;
1952
1953                let rules_item = if entry_ix == 0 {
1954                    self.render_rules_item(cx)
1955                } else {
1956                    None
1957                };
1958
1959                let has_checkpoint_button = message
1960                    .checkpoint
1961                    .as_ref()
1962                    .is_some_and(|checkpoint| checkpoint.show);
1963
1964                let agent_name = self.agent.name();
1965
1966                v_flex()
1967                    .id(("user_message", entry_ix))
1968                    .map(|this| {
1969                        if is_first_indented {
1970                            this.pt_0p5()
1971                        } else if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1972                            this.pt(rems_from_px(18.))
1973                        } else if rules_item.is_some() {
1974                            this.pt_3()
1975                        } else {
1976                            this.pt_2()
1977                        }
1978                    })
1979                    .pb_3()
1980                    .px_2()
1981                    .gap_1p5()
1982                    .w_full()
1983                    .children(rules_item)
1984                    .children(message.id.clone().and_then(|message_id| {
1985                        message.checkpoint.as_ref()?.show.then(|| {
1986                            h_flex()
1987                                .px_3()
1988                                .gap_2()
1989                                .child(Divider::horizontal())
1990                                .child(
1991                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1992                                        .icon(IconName::Undo)
1993                                        .icon_size(IconSize::XSmall)
1994                                        .icon_position(IconPosition::Start)
1995                                        .label_size(LabelSize::XSmall)
1996                                        .icon_color(Color::Muted)
1997                                        .color(Color::Muted)
1998                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1999                                        .on_click(cx.listener(move |this, _, _window, cx| {
2000                                            this.restore_checkpoint(&message_id, cx);
2001                                        }))
2002                                )
2003                                .child(Divider::horizontal())
2004                        })
2005                    }))
2006                    .child(
2007                        div()
2008                            .relative()
2009                            .child(
2010                                div()
2011                                    .py_3()
2012                                    .px_2()
2013                                    .rounded_md()
2014                                    .shadow_md()
2015                                    .bg(cx.theme().colors().editor_background)
2016                                    .border_1()
2017                                    .when(is_indented, |this| {
2018                                        this.py_2().px_2().shadow_sm()
2019                                    })
2020                                    .when(editing && !editor_focus, |this| this.border_dashed())
2021                                    .border_color(cx.theme().colors().border)
2022                                    .map(|this|{
2023                                        if editing && editor_focus {
2024                                            this.border_color(focus_border)
2025                                        } else if message.id.is_some() {
2026                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
2027                                        } else {
2028                                            this
2029                                        }
2030                                    })
2031                                    .text_xs()
2032                                    .child(editor.clone().into_any_element()),
2033                            )
2034                            .when(editor_focus, |this| {
2035                                let base_container = h_flex()
2036                                    .absolute()
2037                                    .top_neg_3p5()
2038                                    .right_3()
2039                                    .gap_1()
2040                                    .rounded_sm()
2041                                    .border_1()
2042                                    .border_color(cx.theme().colors().border)
2043                                    .bg(cx.theme().colors().editor_background)
2044                                    .overflow_hidden();
2045
2046                                if message.id.is_some() {
2047                                    this.child(
2048                                        base_container
2049                                            .child(
2050                                                IconButton::new("cancel", IconName::Close)
2051                                                    .disabled(self.is_loading_contents)
2052                                                    .icon_color(Color::Error)
2053                                                    .icon_size(IconSize::XSmall)
2054                                                    .on_click(cx.listener(Self::cancel_editing))
2055                                            )
2056                                            .child(
2057                                                if self.is_loading_contents {
2058                                                    div()
2059                                                        .id("loading-edited-message-content")
2060                                                        .tooltip(Tooltip::text("Loading Added Context…"))
2061                                                        .child(loading_contents_spinner(IconSize::XSmall))
2062                                                        .into_any_element()
2063                                                } else {
2064                                                    IconButton::new("regenerate", IconName::Return)
2065                                                        .icon_color(Color::Muted)
2066                                                        .icon_size(IconSize::XSmall)
2067                                                        .tooltip(Tooltip::text(
2068                                                            "Editing will restart the thread from this point."
2069                                                        ))
2070                                                        .on_click(cx.listener({
2071                                                            let editor = editor.clone();
2072                                                            move |this, _, window, cx| {
2073                                                                this.regenerate(
2074                                                                    entry_ix, editor.clone(), window, cx,
2075                                                                );
2076                                                            }
2077                                                        })).into_any_element()
2078                                                }
2079                                            )
2080                                    )
2081                                } else {
2082                                    this.child(
2083                                        base_container
2084                                            .border_dashed()
2085                                            .child(
2086                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
2087                                                    .icon_size(IconSize::Small)
2088                                                    .icon_color(Color::Muted)
2089                                                    .style(ButtonStyle::Transparent)
2090                                                    .tooltip(Tooltip::element({
2091                                                        move |_, _| {
2092                                                            v_flex()
2093                                                                .gap_1()
2094                                                                .child(Label::new("Unavailable Editing")).child(
2095                                                                    div().max_w_64().child(
2096                                                                        Label::new(format!(
2097                                                                            "Editing previous messages is not available for {} yet.",
2098                                                                            agent_name.clone()
2099                                                                        ))
2100                                                                        .size(LabelSize::Small)
2101                                                                        .color(Color::Muted),
2102                                                                    ),
2103                                                                )
2104                                                                .into_any_element()
2105                                                        }
2106                                                    }))
2107                                            )
2108                                    )
2109                                }
2110                            }),
2111                    )
2112                    .into_any()
2113            }
2114            AgentThreadEntry::AssistantMessage(AssistantMessage {
2115                chunks,
2116                indented: _,
2117            }) => {
2118                let is_last = entry_ix + 1 == total_entries;
2119
2120                let style = default_markdown_style(false, false, window, cx);
2121                let message_body = v_flex()
2122                    .w_full()
2123                    .gap_3()
2124                    .children(chunks.iter().enumerate().filter_map(
2125                        |(chunk_ix, chunk)| match chunk {
2126                            AssistantMessageChunk::Message { block } => {
2127                                block.markdown().map(|md| {
2128                                    self.render_markdown(md.clone(), style.clone())
2129                                        .into_any_element()
2130                                })
2131                            }
2132                            AssistantMessageChunk::Thought { block } => {
2133                                block.markdown().map(|md| {
2134                                    self.render_thinking_block(
2135                                        entry_ix,
2136                                        chunk_ix,
2137                                        md.clone(),
2138                                        window,
2139                                        cx,
2140                                    )
2141                                    .into_any_element()
2142                                })
2143                            }
2144                        },
2145                    ))
2146                    .into_any();
2147
2148                v_flex()
2149                    .px_5()
2150                    .py_1p5()
2151                    .when(is_first_indented, |this| this.pt_0p5())
2152                    .when(is_last, |this| this.pb_4())
2153                    .w_full()
2154                    .text_ui(cx)
2155                    .child(message_body)
2156                    .into_any()
2157            }
2158            AgentThreadEntry::ToolCall(tool_call) => {
2159                let has_terminals = tool_call.terminals().next().is_some();
2160
2161                div()
2162                    .w_full()
2163                    .map(|this| {
2164                        if has_terminals {
2165                            this.children(tool_call.terminals().map(|terminal| {
2166                                self.render_terminal_tool_call(
2167                                    entry_ix, terminal, tool_call, window, cx,
2168                                )
2169                            }))
2170                        } else {
2171                            this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
2172                        }
2173                    })
2174                    .into_any()
2175            }
2176        };
2177
2178        let primary = if is_indented {
2179            let line_top = if is_first_indented {
2180                rems_from_px(-12.0)
2181            } else {
2182                rems_from_px(0.0)
2183            };
2184
2185            div()
2186                .relative()
2187                .w_full()
2188                .pl(rems_from_px(20.0))
2189                .bg(cx.theme().colors().panel_background.opacity(0.2))
2190                .child(
2191                    div()
2192                        .absolute()
2193                        .left(rems_from_px(18.0))
2194                        .top(line_top)
2195                        .bottom_0()
2196                        .w_px()
2197                        .bg(cx.theme().colors().border.opacity(0.6)),
2198                )
2199                .child(primary)
2200                .into_any_element()
2201        } else {
2202            primary
2203        };
2204
2205        let needs_confirmation = if let AgentThreadEntry::ToolCall(tool_call) = entry {
2206            matches!(
2207                tool_call.status,
2208                ToolCallStatus::WaitingForConfirmation { .. }
2209            )
2210        } else {
2211            false
2212        };
2213
2214        let Some(thread) = self.thread() else {
2215            return primary;
2216        };
2217
2218        let primary = if entry_ix == total_entries - 1 {
2219            v_flex()
2220                .w_full()
2221                .child(primary)
2222                .map(|this| {
2223                    if needs_confirmation {
2224                        this.child(self.render_generating(true))
2225                    } else {
2226                        this.child(self.render_thread_controls(&thread, cx))
2227                    }
2228                })
2229                .when_some(
2230                    self.thread_feedback.comments_editor.clone(),
2231                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
2232                )
2233                .into_any_element()
2234        } else {
2235            primary
2236        };
2237
2238        if let Some(editing_index) = self.editing_message.as_ref()
2239            && *editing_index < entry_ix
2240        {
2241            let backdrop = div()
2242                .id(("backdrop", entry_ix))
2243                .size_full()
2244                .absolute()
2245                .inset_0()
2246                .bg(cx.theme().colors().panel_background)
2247                .opacity(0.8)
2248                .block_mouse_except_scroll()
2249                .on_click(cx.listener(Self::cancel_editing));
2250
2251            div()
2252                .relative()
2253                .child(primary)
2254                .child(backdrop)
2255                .into_any_element()
2256        } else {
2257            primary
2258        }
2259    }
2260
2261    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2262        cx.theme()
2263            .colors()
2264            .element_background
2265            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2266    }
2267
2268    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2269        cx.theme().colors().border.opacity(0.8)
2270    }
2271
2272    fn tool_name_font_size(&self) -> Rems {
2273        rems_from_px(13.)
2274    }
2275
2276    fn render_thinking_block(
2277        &self,
2278        entry_ix: usize,
2279        chunk_ix: usize,
2280        chunk: Entity<Markdown>,
2281        window: &Window,
2282        cx: &Context<Self>,
2283    ) -> AnyElement {
2284        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2285        let card_header_id = SharedString::from("inner-card-header");
2286
2287        let key = (entry_ix, chunk_ix);
2288
2289        let is_open = self.expanded_thinking_blocks.contains(&key);
2290
2291        let scroll_handle = self
2292            .entry_view_state
2293            .read(cx)
2294            .entry(entry_ix)
2295            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2296
2297        let thinking_content = {
2298            div()
2299                .id(("thinking-content", chunk_ix))
2300                .when_some(scroll_handle, |this, scroll_handle| {
2301                    this.track_scroll(&scroll_handle)
2302                })
2303                .text_ui_sm(cx)
2304                .overflow_hidden()
2305                .child(
2306                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2307                )
2308        };
2309
2310        v_flex()
2311            .gap_1()
2312            .child(
2313                h_flex()
2314                    .id(header_id)
2315                    .group(&card_header_id)
2316                    .relative()
2317                    .w_full()
2318                    .pr_1()
2319                    .justify_between()
2320                    .child(
2321                        h_flex()
2322                            .h(window.line_height() - px(2.))
2323                            .gap_1p5()
2324                            .overflow_hidden()
2325                            .child(
2326                                Icon::new(IconName::ToolThink)
2327                                    .size(IconSize::Small)
2328                                    .color(Color::Muted),
2329                            )
2330                            .child(
2331                                div()
2332                                    .text_size(self.tool_name_font_size())
2333                                    .text_color(cx.theme().colors().text_muted)
2334                                    .child("Thinking"),
2335                            ),
2336                    )
2337                    .child(
2338                        Disclosure::new(("expand", entry_ix), is_open)
2339                            .opened_icon(IconName::ChevronUp)
2340                            .closed_icon(IconName::ChevronDown)
2341                            .visible_on_hover(&card_header_id)
2342                            .on_click(cx.listener({
2343                                move |this, _event, _window, cx| {
2344                                    if is_open {
2345                                        this.expanded_thinking_blocks.remove(&key);
2346                                    } else {
2347                                        this.expanded_thinking_blocks.insert(key);
2348                                    }
2349                                    cx.notify();
2350                                }
2351                            })),
2352                    )
2353                    .on_click(cx.listener({
2354                        move |this, _event, _window, cx| {
2355                            if is_open {
2356                                this.expanded_thinking_blocks.remove(&key);
2357                            } else {
2358                                this.expanded_thinking_blocks.insert(key);
2359                            }
2360                            cx.notify();
2361                        }
2362                    })),
2363            )
2364            .when(is_open, |this| {
2365                this.child(
2366                    div()
2367                        .ml_1p5()
2368                        .pl_3p5()
2369                        .border_l_1()
2370                        .border_color(self.tool_card_border_color(cx))
2371                        .child(thinking_content),
2372                )
2373            })
2374            .into_any_element()
2375    }
2376
2377    fn render_tool_call(
2378        &self,
2379        entry_ix: usize,
2380        tool_call: &ToolCall,
2381        window: &Window,
2382        cx: &Context<Self>,
2383    ) -> Div {
2384        let has_location = tool_call.locations.len() == 1;
2385        let card_header_id = SharedString::from("inner-tool-call-header");
2386
2387        let failed_or_canceled = match &tool_call.status {
2388            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2389            _ => false,
2390        };
2391
2392        let needs_confirmation = matches!(
2393            tool_call.status,
2394            ToolCallStatus::WaitingForConfirmation { .. }
2395        );
2396        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2397        let is_edit =
2398            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2399
2400        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2401
2402        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2403
2404        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2405        let input_output_header = |label: SharedString| {
2406            Label::new(label)
2407                .size(LabelSize::XSmall)
2408                .color(Color::Muted)
2409                .buffer_font(cx)
2410        };
2411
2412        let tool_output_display =
2413            if is_open {
2414                match &tool_call.status {
2415                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2416                        .w_full()
2417                        .children(tool_call.content.iter().enumerate().map(
2418                            |(content_ix, content)| {
2419                                div()
2420                                    .child(self.render_tool_call_content(
2421                                        entry_ix,
2422                                        content,
2423                                        content_ix,
2424                                        tool_call,
2425                                        use_card_layout,
2426                                        window,
2427                                        cx,
2428                                    ))
2429                                    .into_any_element()
2430                            },
2431                        ))
2432                        .child(self.render_permission_buttons(
2433                            tool_call.kind,
2434                            options,
2435                            entry_ix,
2436                            tool_call.id.clone(),
2437                            cx,
2438                        ))
2439                        .into_any(),
2440                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2441                        if is_edit
2442                            && tool_call.content.is_empty()
2443                            && self.as_native_connection(cx).is_some() =>
2444                    {
2445                        self.render_diff_loading(cx).into_any()
2446                    }
2447                    ToolCallStatus::Pending
2448                    | ToolCallStatus::InProgress
2449                    | ToolCallStatus::Completed
2450                    | ToolCallStatus::Failed
2451                    | ToolCallStatus::Canceled => v_flex()
2452                        .mt_1p5()
2453                        .w_full()
2454                        .child(
2455                            v_flex()
2456                                .ml(rems(0.4))
2457                                .px_3p5()
2458                                .pb_1()
2459                                .gap_1()
2460                                .border_l_1()
2461                                .border_color(self.tool_card_border_color(cx))
2462                                .child(input_output_header("Raw Input".into()))
2463                                .children(tool_call.raw_input_markdown.clone().map(|input| {
2464                                    self.render_markdown(
2465                                        input,
2466                                        default_markdown_style(false, false, window, cx),
2467                                    )
2468                                }))
2469                                .child(input_output_header("Output:".into())),
2470                        )
2471                        .children(tool_call.content.iter().enumerate().map(
2472                            |(content_ix, content)| {
2473                                div().child(self.render_tool_call_content(
2474                                    entry_ix,
2475                                    content,
2476                                    content_ix,
2477                                    tool_call,
2478                                    use_card_layout,
2479                                    window,
2480                                    cx,
2481                                ))
2482                            },
2483                        ))
2484                        .into_any(),
2485                    ToolCallStatus::Rejected => Empty.into_any(),
2486                }
2487                .into()
2488            } else {
2489                None
2490            };
2491
2492        v_flex()
2493            .map(|this| {
2494                if use_card_layout {
2495                    this.my_1p5()
2496                        .rounded_md()
2497                        .border_1()
2498                        .border_color(self.tool_card_border_color(cx))
2499                        .bg(cx.theme().colors().editor_background)
2500                        .overflow_hidden()
2501                } else {
2502                    this.my_1()
2503                }
2504            })
2505            .map(|this| {
2506                if has_location && !use_card_layout {
2507                    this.ml_4()
2508                } else {
2509                    this.ml_5()
2510                }
2511            })
2512            .mr_5()
2513            .map(|this| {
2514                if is_terminal_tool {
2515                    this.child(
2516                        v_flex()
2517                            .p_1p5()
2518                            .gap_0p5()
2519                            .text_ui_sm(cx)
2520                            .bg(self.tool_card_header_bg(cx))
2521                            .child(
2522                                Label::new("Run Command")
2523                                    .buffer_font(cx)
2524                                    .size(LabelSize::XSmall)
2525                                    .color(Color::Muted),
2526                            )
2527                            .child(
2528                                MarkdownElement::new(
2529                                    tool_call.label.clone(),
2530                                    terminal_command_markdown_style(window, cx),
2531                                )
2532                                .code_block_renderer(
2533                                    markdown::CodeBlockRenderer::Default {
2534                                        copy_button: false,
2535                                        copy_button_on_hover: false,
2536                                        border: false,
2537                                    },
2538                                )
2539                            ),
2540                    )
2541                } else {
2542                   this.child(
2543                        h_flex()
2544                            .group(&card_header_id)
2545                            .relative()
2546                            .w_full()
2547                            .gap_1()
2548                            .justify_between()
2549                            .when(use_card_layout, |this| {
2550                                this.p_0p5()
2551                                    .rounded_t(rems_from_px(5.))
2552                                    .bg(self.tool_card_header_bg(cx))
2553                            })
2554                            .child(self.render_tool_call_label(
2555                                entry_ix,
2556                                tool_call,
2557                                is_edit,
2558                                use_card_layout,
2559                                window,
2560                                cx,
2561                            ))
2562                            .when(is_collapsible || failed_or_canceled, |this| {
2563                                this.child(
2564                                    h_flex()
2565                                        .px_1()
2566                                        .gap_px()
2567                                        .when(is_collapsible, |this| {
2568                                            this.child(
2569                                            Disclosure::new(("expand-output", entry_ix), is_open)
2570                                                .opened_icon(IconName::ChevronUp)
2571                                                .closed_icon(IconName::ChevronDown)
2572                                                .visible_on_hover(&card_header_id)
2573                                                .on_click(cx.listener({
2574                                                    let id = tool_call.id.clone();
2575                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2576                                                        if is_open {
2577                                                            this.expanded_tool_calls.remove(&id);
2578                                                        } else {
2579                                                            this.expanded_tool_calls.insert(id.clone());
2580                                                        }
2581                                                        cx.notify();
2582                                                    }
2583                                                })),
2584                                        )
2585                                        })
2586                                        .when(failed_or_canceled, |this| {
2587                                            this.child(
2588                                                Icon::new(IconName::Close)
2589                                                    .color(Color::Error)
2590                                                    .size(IconSize::Small),
2591                                            )
2592                                        }),
2593                                )
2594                            }),
2595                    )
2596                }
2597            })
2598            .children(tool_output_display)
2599    }
2600
2601    fn render_tool_call_label(
2602        &self,
2603        entry_ix: usize,
2604        tool_call: &ToolCall,
2605        is_edit: bool,
2606        use_card_layout: bool,
2607        window: &Window,
2608        cx: &Context<Self>,
2609    ) -> Div {
2610        let has_location = tool_call.locations.len() == 1;
2611
2612        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2613            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2614                .map(Icon::from_path)
2615                .unwrap_or(Icon::new(IconName::ToolPencil))
2616        } else {
2617            Icon::new(match tool_call.kind {
2618                acp::ToolKind::Read => IconName::ToolSearch,
2619                acp::ToolKind::Edit => IconName::ToolPencil,
2620                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2621                acp::ToolKind::Move => IconName::ArrowRightLeft,
2622                acp::ToolKind::Search => IconName::ToolSearch,
2623                acp::ToolKind::Execute => IconName::ToolTerminal,
2624                acp::ToolKind::Think => IconName::ToolThink,
2625                acp::ToolKind::Fetch => IconName::ToolWeb,
2626                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2627                acp::ToolKind::Other | _ => IconName::ToolHammer,
2628            })
2629        }
2630        .size(IconSize::Small)
2631        .color(Color::Muted);
2632
2633        let gradient_overlay = {
2634            div()
2635                .absolute()
2636                .top_0()
2637                .right_0()
2638                .w_12()
2639                .h_full()
2640                .map(|this| {
2641                    if use_card_layout {
2642                        this.bg(linear_gradient(
2643                            90.,
2644                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2645                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2646                        ))
2647                    } else {
2648                        this.bg(linear_gradient(
2649                            90.,
2650                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2651                            linear_color_stop(
2652                                cx.theme().colors().panel_background.opacity(0.2),
2653                                0.,
2654                            ),
2655                        ))
2656                    }
2657                })
2658        };
2659
2660        h_flex()
2661            .relative()
2662            .w_full()
2663            .h(window.line_height() - px(2.))
2664            .text_size(self.tool_name_font_size())
2665            .gap_1p5()
2666            .when(has_location || use_card_layout, |this| this.px_1())
2667            .when(has_location, |this| {
2668                this.cursor(CursorStyle::PointingHand)
2669                    .rounded(rems_from_px(3.)) // Concentric border radius
2670                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2671            })
2672            .overflow_hidden()
2673            .child(tool_icon)
2674            .child(if has_location {
2675                h_flex()
2676                    .id(("open-tool-call-location", entry_ix))
2677                    .w_full()
2678                    .map(|this| {
2679                        if use_card_layout {
2680                            this.text_color(cx.theme().colors().text)
2681                        } else {
2682                            this.text_color(cx.theme().colors().text_muted)
2683                        }
2684                    })
2685                    .child(self.render_markdown(
2686                        tool_call.label.clone(),
2687                        MarkdownStyle {
2688                            prevent_mouse_interaction: true,
2689                            ..default_markdown_style(false, true, window, cx)
2690                        },
2691                    ))
2692                    .tooltip(Tooltip::text("Jump to File"))
2693                    .on_click(cx.listener(move |this, _, window, cx| {
2694                        this.open_tool_call_location(entry_ix, 0, window, cx);
2695                    }))
2696                    .into_any_element()
2697            } else {
2698                h_flex()
2699                    .w_full()
2700                    .child(self.render_markdown(
2701                        tool_call.label.clone(),
2702                        default_markdown_style(false, true, window, cx),
2703                    ))
2704                    .into_any()
2705            })
2706            .when(!is_edit, |this| this.child(gradient_overlay))
2707    }
2708
2709    fn render_tool_call_content(
2710        &self,
2711        entry_ix: usize,
2712        content: &ToolCallContent,
2713        context_ix: usize,
2714        tool_call: &ToolCall,
2715        card_layout: bool,
2716        window: &Window,
2717        cx: &Context<Self>,
2718    ) -> AnyElement {
2719        match content {
2720            ToolCallContent::ContentBlock(content) => {
2721                if let Some(resource_link) = content.resource_link() {
2722                    self.render_resource_link(resource_link, cx)
2723                } else if let Some(markdown) = content.markdown() {
2724                    self.render_markdown_output(
2725                        markdown.clone(),
2726                        tool_call.id.clone(),
2727                        context_ix,
2728                        card_layout,
2729                        window,
2730                        cx,
2731                    )
2732                } else {
2733                    Empty.into_any_element()
2734                }
2735            }
2736            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2737            ToolCallContent::Terminal(terminal) => {
2738                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2739            }
2740        }
2741    }
2742
2743    fn render_markdown_output(
2744        &self,
2745        markdown: Entity<Markdown>,
2746        tool_call_id: acp::ToolCallId,
2747        context_ix: usize,
2748        card_layout: bool,
2749        window: &Window,
2750        cx: &Context<Self>,
2751    ) -> AnyElement {
2752        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2753
2754        v_flex()
2755            .gap_2()
2756            .when(!card_layout, |this| {
2757                this.ml(rems(0.4))
2758                    .px_3p5()
2759                    .border_l_1()
2760                    .border_color(self.tool_card_border_color(cx))
2761            })
2762            .when(card_layout, |this| {
2763                this.px_2().pb_2().when(context_ix > 0, |this| {
2764                    this.border_t_1()
2765                        .pt_2()
2766                        .border_color(self.tool_card_border_color(cx))
2767                })
2768            })
2769            .text_xs()
2770            .text_color(cx.theme().colors().text_muted)
2771            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2772            .when(!card_layout, |this| {
2773                this.child(
2774                    IconButton::new(button_id, IconName::ChevronUp)
2775                        .full_width()
2776                        .style(ButtonStyle::Outlined)
2777                        .icon_color(Color::Muted)
2778                        .on_click(cx.listener({
2779                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2780                                this.expanded_tool_calls.remove(&tool_call_id);
2781                                cx.notify();
2782                            }
2783                        })),
2784                )
2785            })
2786            .into_any_element()
2787    }
2788
2789    fn render_resource_link(
2790        &self,
2791        resource_link: &acp::ResourceLink,
2792        cx: &Context<Self>,
2793    ) -> AnyElement {
2794        let uri: SharedString = resource_link.uri.clone().into();
2795        let is_file = resource_link.uri.strip_prefix("file://");
2796
2797        let label: SharedString = if let Some(abs_path) = is_file {
2798            if let Some(project_path) = self
2799                .project
2800                .read(cx)
2801                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2802                && let Some(worktree) = self
2803                    .project
2804                    .read(cx)
2805                    .worktree_for_id(project_path.worktree_id, cx)
2806            {
2807                worktree
2808                    .read(cx)
2809                    .full_path(&project_path.path)
2810                    .to_string_lossy()
2811                    .to_string()
2812                    .into()
2813            } else {
2814                abs_path.to_string().into()
2815            }
2816        } else {
2817            uri.clone()
2818        };
2819
2820        let button_id = SharedString::from(format!("item-{}", uri));
2821
2822        div()
2823            .ml(rems(0.4))
2824            .pl_2p5()
2825            .border_l_1()
2826            .border_color(self.tool_card_border_color(cx))
2827            .overflow_hidden()
2828            .child(
2829                Button::new(button_id, label)
2830                    .label_size(LabelSize::Small)
2831                    .color(Color::Muted)
2832                    .truncate(true)
2833                    .when(is_file.is_none(), |this| {
2834                        this.icon(IconName::ArrowUpRight)
2835                            .icon_size(IconSize::XSmall)
2836                            .icon_color(Color::Muted)
2837                    })
2838                    .on_click(cx.listener({
2839                        let workspace = self.workspace.clone();
2840                        move |_, _, window, cx: &mut Context<Self>| {
2841                            Self::open_link(uri.clone(), &workspace, window, cx);
2842                        }
2843                    })),
2844            )
2845            .into_any_element()
2846    }
2847
2848    fn render_permission_buttons(
2849        &self,
2850        kind: acp::ToolKind,
2851        options: &[acp::PermissionOption],
2852        entry_ix: usize,
2853        tool_call_id: acp::ToolCallId,
2854        cx: &Context<Self>,
2855    ) -> Div {
2856        let is_first = self.thread().is_some_and(|thread| {
2857            thread
2858                .read(cx)
2859                .first_tool_awaiting_confirmation()
2860                .is_some_and(|call| call.id == tool_call_id)
2861        });
2862        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2863
2864        div()
2865            .p_1()
2866            .border_t_1()
2867            .border_color(self.tool_card_border_color(cx))
2868            .w_full()
2869            .map(|this| {
2870                if kind == acp::ToolKind::SwitchMode {
2871                    this.v_flex()
2872                } else {
2873                    this.h_flex().justify_end().flex_wrap()
2874                }
2875            })
2876            .gap_0p5()
2877            .children(options.iter().map(move |option| {
2878                let option_id = SharedString::from(option.option_id.0.clone());
2879                Button::new((option_id, entry_ix), option.name.clone())
2880                    .map(|this| {
2881                        let (this, action) = match option.kind {
2882                            acp::PermissionOptionKind::AllowOnce => (
2883                                this.icon(IconName::Check).icon_color(Color::Success),
2884                                Some(&AllowOnce as &dyn Action),
2885                            ),
2886                            acp::PermissionOptionKind::AllowAlways => (
2887                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2888                                Some(&AllowAlways as &dyn Action),
2889                            ),
2890                            acp::PermissionOptionKind::RejectOnce => (
2891                                this.icon(IconName::Close).icon_color(Color::Error),
2892                                Some(&RejectOnce as &dyn Action),
2893                            ),
2894                            acp::PermissionOptionKind::RejectAlways | _ => {
2895                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2896                            }
2897                        };
2898
2899                        let Some(action) = action else {
2900                            return this;
2901                        };
2902
2903                        if !is_first || seen_kinds.contains(&option.kind) {
2904                            return this;
2905                        }
2906
2907                        seen_kinds.push(option.kind);
2908
2909                        this.key_binding(
2910                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
2911                                .map(|kb| kb.size(rems_from_px(10.))),
2912                        )
2913                    })
2914                    .icon_position(IconPosition::Start)
2915                    .icon_size(IconSize::XSmall)
2916                    .label_size(LabelSize::Small)
2917                    .on_click(cx.listener({
2918                        let tool_call_id = tool_call_id.clone();
2919                        let option_id = option.option_id.clone();
2920                        let option_kind = option.kind;
2921                        move |this, _, window, cx| {
2922                            this.authorize_tool_call(
2923                                tool_call_id.clone(),
2924                                option_id.clone(),
2925                                option_kind,
2926                                window,
2927                                cx,
2928                            );
2929                        }
2930                    }))
2931            }))
2932    }
2933
2934    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2935        let bar = |n: u64, width_class: &str| {
2936            let bg_color = cx.theme().colors().element_active;
2937            let base = h_flex().h_1().rounded_full();
2938
2939            let modified = match width_class {
2940                "w_4_5" => base.w_3_4(),
2941                "w_1_4" => base.w_1_4(),
2942                "w_2_4" => base.w_2_4(),
2943                "w_3_5" => base.w_3_5(),
2944                "w_2_5" => base.w_2_5(),
2945                _ => base.w_1_2(),
2946            };
2947
2948            modified.with_animation(
2949                ElementId::Integer(n),
2950                Animation::new(Duration::from_secs(2)).repeat(),
2951                move |tab, delta| {
2952                    let delta = (delta - 0.15 * n as f32) / 0.7;
2953                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2954                    let delta = ease_in_out(delta.clamp(0., 1.));
2955                    let delta = 0.1 + 0.9 * delta;
2956
2957                    tab.bg(bg_color.opacity(delta))
2958                },
2959            )
2960        };
2961
2962        v_flex()
2963            .p_3()
2964            .gap_1()
2965            .rounded_b_md()
2966            .bg(cx.theme().colors().editor_background)
2967            .child(bar(0, "w_4_5"))
2968            .child(bar(1, "w_1_4"))
2969            .child(bar(2, "w_2_4"))
2970            .child(bar(3, "w_3_5"))
2971            .child(bar(4, "w_2_5"))
2972            .into_any_element()
2973    }
2974
2975    fn render_diff_editor(
2976        &self,
2977        entry_ix: usize,
2978        diff: &Entity<acp_thread::Diff>,
2979        tool_call: &ToolCall,
2980        cx: &Context<Self>,
2981    ) -> AnyElement {
2982        let tool_progress = matches!(
2983            &tool_call.status,
2984            ToolCallStatus::InProgress | ToolCallStatus::Pending
2985        );
2986
2987        v_flex()
2988            .h_full()
2989            .border_t_1()
2990            .border_color(self.tool_card_border_color(cx))
2991            .child(
2992                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2993                    && let Some(editor) = entry.editor_for_diff(diff)
2994                    && diff.read(cx).has_revealed_range(cx)
2995                {
2996                    editor.into_any_element()
2997                } else if tool_progress && self.as_native_connection(cx).is_some() {
2998                    self.render_diff_loading(cx)
2999                } else {
3000                    Empty.into_any()
3001                },
3002            )
3003            .into_any()
3004    }
3005
3006    fn render_terminal_tool_call(
3007        &self,
3008        entry_ix: usize,
3009        terminal: &Entity<acp_thread::Terminal>,
3010        tool_call: &ToolCall,
3011        window: &Window,
3012        cx: &Context<Self>,
3013    ) -> AnyElement {
3014        let terminal_data = terminal.read(cx);
3015        let working_dir = terminal_data.working_dir();
3016        let command = terminal_data.command();
3017        let started_at = terminal_data.started_at();
3018
3019        let tool_failed = matches!(
3020            &tool_call.status,
3021            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
3022        );
3023
3024        let output = terminal_data.output();
3025        let command_finished = output.is_some();
3026        let truncated_output =
3027            output.is_some_and(|output| output.original_content_len > output.content.len());
3028        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
3029
3030        let command_failed = command_finished
3031            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
3032
3033        let time_elapsed = if let Some(output) = output {
3034            output.ended_at.duration_since(started_at)
3035        } else {
3036            started_at.elapsed()
3037        };
3038
3039        let header_id =
3040            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
3041        let header_group = SharedString::from(format!(
3042            "terminal-tool-header-group-{}",
3043            terminal.entity_id()
3044        ));
3045        let header_bg = cx
3046            .theme()
3047            .colors()
3048            .element_background
3049            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
3050        let border_color = cx.theme().colors().border.opacity(0.6);
3051
3052        let working_dir = working_dir
3053            .as_ref()
3054            .map(|path| path.display().to_string())
3055            .unwrap_or_else(|| "current directory".to_string());
3056
3057        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
3058
3059        let header = h_flex()
3060            .id(header_id)
3061            .flex_none()
3062            .gap_1()
3063            .justify_between()
3064            .rounded_t_md()
3065            .child(
3066                div()
3067                    .id(("command-target-path", terminal.entity_id()))
3068                    .w_full()
3069                    .max_w_full()
3070                    .overflow_x_scroll()
3071                    .child(
3072                        Label::new(working_dir)
3073                            .buffer_font(cx)
3074                            .size(LabelSize::XSmall)
3075                            .color(Color::Muted),
3076                    ),
3077            )
3078            .when(!command_finished, |header| {
3079                header
3080                    .gap_1p5()
3081                    .child(
3082                        Button::new(
3083                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
3084                            "Stop",
3085                        )
3086                        .icon(IconName::Stop)
3087                        .icon_position(IconPosition::Start)
3088                        .icon_size(IconSize::Small)
3089                        .icon_color(Color::Error)
3090                        .label_size(LabelSize::Small)
3091                        .tooltip(move |_window, cx| {
3092                            Tooltip::with_meta(
3093                                "Stop This Command",
3094                                None,
3095                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
3096                                cx,
3097                            )
3098                        })
3099                        .on_click({
3100                            let terminal = terminal.clone();
3101                            cx.listener(move |_this, _event, _window, cx| {
3102                                let inner_terminal = terminal.read(cx).inner().clone();
3103                                inner_terminal.update(cx, |inner_terminal, _cx| {
3104                                    inner_terminal.kill_active_task();
3105                                });
3106                            })
3107                        }),
3108                    )
3109                    .child(Divider::vertical())
3110                    .child(
3111                        Icon::new(IconName::ArrowCircle)
3112                            .size(IconSize::XSmall)
3113                            .color(Color::Info)
3114                            .with_rotate_animation(2)
3115                    )
3116            })
3117            .when(truncated_output, |header| {
3118                let tooltip = if let Some(output) = output {
3119                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
3120                       format!("Output exceeded terminal max lines and was \
3121                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
3122                    } else {
3123                        format!(
3124                            "Output is {} long, and to avoid unexpected token usage, \
3125                                only {} was sent back to the agent.",
3126                            format_file_size(output.original_content_len as u64, true),
3127                             format_file_size(output.content.len() as u64, true)
3128                        )
3129                    }
3130                } else {
3131                    "Output was truncated".to_string()
3132                };
3133
3134                header.child(
3135                    h_flex()
3136                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
3137                        .gap_1()
3138                        .child(
3139                            Icon::new(IconName::Info)
3140                                .size(IconSize::XSmall)
3141                                .color(Color::Ignored),
3142                        )
3143                        .child(
3144                            Label::new("Truncated")
3145                                .color(Color::Muted)
3146                                .size(LabelSize::XSmall),
3147                        )
3148                        .tooltip(Tooltip::text(tooltip)),
3149                )
3150            })
3151            .when(time_elapsed > Duration::from_secs(10), |header| {
3152                header.child(
3153                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
3154                        .buffer_font(cx)
3155                        .color(Color::Muted)
3156                        .size(LabelSize::XSmall),
3157                )
3158            })
3159            .when(tool_failed || command_failed, |header| {
3160                header.child(
3161                    div()
3162                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
3163                        .child(
3164                            Icon::new(IconName::Close)
3165                                .size(IconSize::Small)
3166                                .color(Color::Error),
3167                        )
3168                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
3169                            this.tooltip(Tooltip::text(format!(
3170                                "Exited with code {}",
3171                                status.code().unwrap_or(-1),
3172                            )))
3173                        }),
3174                )
3175            })
3176            .child(
3177                Disclosure::new(
3178                    SharedString::from(format!(
3179                        "terminal-tool-disclosure-{}",
3180                        terminal.entity_id()
3181                    )),
3182                    is_expanded,
3183                )
3184                .opened_icon(IconName::ChevronUp)
3185                .closed_icon(IconName::ChevronDown)
3186                .visible_on_hover(&header_group)
3187                .on_click(cx.listener({
3188                    let id = tool_call.id.clone();
3189                    move |this, _event, _window, _cx| {
3190                        if is_expanded {
3191                            this.expanded_tool_calls.remove(&id);
3192                        } else {
3193                            this.expanded_tool_calls.insert(id.clone());
3194                        }
3195                    }
3196                })),
3197            );
3198
3199        let terminal_view = self
3200            .entry_view_state
3201            .read(cx)
3202            .entry(entry_ix)
3203            .and_then(|entry| entry.terminal(terminal));
3204        let show_output = is_expanded && terminal_view.is_some();
3205
3206        v_flex()
3207            .my_1p5()
3208            .mx_5()
3209            .border_1()
3210            .when(tool_failed || command_failed, |card| card.border_dashed())
3211            .border_color(border_color)
3212            .rounded_md()
3213            .overflow_hidden()
3214            .child(
3215                v_flex()
3216                    .group(&header_group)
3217                    .py_1p5()
3218                    .pr_1p5()
3219                    .pl_2()
3220                    .gap_0p5()
3221                    .bg(header_bg)
3222                    .text_xs()
3223                    .child(header)
3224                    .child(
3225                        MarkdownElement::new(
3226                            command.clone(),
3227                            terminal_command_markdown_style(window, cx),
3228                        )
3229                        .code_block_renderer(
3230                            markdown::CodeBlockRenderer::Default {
3231                                copy_button: false,
3232                                copy_button_on_hover: true,
3233                                border: false,
3234                            },
3235                        ),
3236                    ),
3237            )
3238            .when(show_output, |this| {
3239                this.child(
3240                    div()
3241                        .pt_2()
3242                        .border_t_1()
3243                        .when(tool_failed || command_failed, |card| card.border_dashed())
3244                        .border_color(border_color)
3245                        .bg(cx.theme().colors().editor_background)
3246                        .rounded_b_md()
3247                        .text_ui_sm(cx)
3248                        .h_full()
3249                        .children(terminal_view.map(|terminal_view| {
3250                            let element = if terminal_view
3251                                .read(cx)
3252                                .content_mode(window, cx)
3253                                .is_scrollable()
3254                            {
3255                                div().h_72().child(terminal_view).into_any_element()
3256                            } else {
3257                                terminal_view.into_any_element()
3258                            };
3259
3260                            div()
3261                                .on_action(cx.listener(|_this, _: &NewTerminal, window, cx| {
3262                                    window.dispatch_action(NewThread.boxed_clone(), cx);
3263                                    cx.stop_propagation();
3264                                }))
3265                                .child(element)
3266                                .into_any_element()
3267                        })),
3268                )
3269            })
3270            .into_any()
3271    }
3272
3273    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
3274        let project_context = self
3275            .as_native_thread(cx)?
3276            .read(cx)
3277            .project_context()
3278            .read(cx);
3279
3280        let user_rules_text = if project_context.user_rules.is_empty() {
3281            None
3282        } else if project_context.user_rules.len() == 1 {
3283            let user_rules = &project_context.user_rules[0];
3284
3285            match user_rules.title.as_ref() {
3286                Some(title) => Some(format!("Using \"{title}\" user rule")),
3287                None => Some("Using user rule".into()),
3288            }
3289        } else {
3290            Some(format!(
3291                "Using {} user rules",
3292                project_context.user_rules.len()
3293            ))
3294        };
3295
3296        let first_user_rules_id = project_context
3297            .user_rules
3298            .first()
3299            .map(|user_rules| user_rules.uuid.0);
3300
3301        let rules_files = project_context
3302            .worktrees
3303            .iter()
3304            .filter_map(|worktree| worktree.rules_file.as_ref())
3305            .collect::<Vec<_>>();
3306
3307        let rules_file_text = match rules_files.as_slice() {
3308            &[] => None,
3309            &[rules_file] => Some(format!(
3310                "Using project {:?} file",
3311                rules_file.path_in_worktree
3312            )),
3313            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3314        };
3315
3316        if user_rules_text.is_none() && rules_file_text.is_none() {
3317            return None;
3318        }
3319
3320        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3321
3322        Some(
3323            h_flex()
3324                .px_2p5()
3325                .child(
3326                    Icon::new(IconName::Attach)
3327                        .size(IconSize::XSmall)
3328                        .color(Color::Disabled),
3329                )
3330                .when_some(user_rules_text, |parent, user_rules_text| {
3331                    parent.child(
3332                        h_flex()
3333                            .id("user-rules")
3334                            .ml_1()
3335                            .mr_1p5()
3336                            .child(
3337                                Label::new(user_rules_text)
3338                                    .size(LabelSize::XSmall)
3339                                    .color(Color::Muted)
3340                                    .truncate(),
3341                            )
3342                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3343                            .tooltip(Tooltip::text("View User Rules"))
3344                            .on_click(move |_event, window, cx| {
3345                                window.dispatch_action(
3346                                    Box::new(OpenRulesLibrary {
3347                                        prompt_to_select: first_user_rules_id,
3348                                    }),
3349                                    cx,
3350                                )
3351                            }),
3352                    )
3353                })
3354                .when(has_both, |this| {
3355                    this.child(
3356                        Label::new("")
3357                            .size(LabelSize::XSmall)
3358                            .color(Color::Disabled),
3359                    )
3360                })
3361                .when_some(rules_file_text, |parent, rules_file_text| {
3362                    parent.child(
3363                        h_flex()
3364                            .id("project-rules")
3365                            .ml_1p5()
3366                            .child(
3367                                Label::new(rules_file_text)
3368                                    .size(LabelSize::XSmall)
3369                                    .color(Color::Muted),
3370                            )
3371                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3372                            .tooltip(Tooltip::text("View Project Rules"))
3373                            .on_click(cx.listener(Self::handle_open_rules)),
3374                    )
3375                })
3376                .into_any(),
3377        )
3378    }
3379
3380    fn render_empty_state_section_header(
3381        &self,
3382        label: impl Into<SharedString>,
3383        action_slot: Option<AnyElement>,
3384        cx: &mut Context<Self>,
3385    ) -> impl IntoElement {
3386        div().pl_1().pr_1p5().child(
3387            h_flex()
3388                .mt_2()
3389                .pl_1p5()
3390                .pb_1()
3391                .w_full()
3392                .justify_between()
3393                .border_b_1()
3394                .border_color(cx.theme().colors().border_variant)
3395                .child(
3396                    Label::new(label.into())
3397                        .size(LabelSize::Small)
3398                        .color(Color::Muted),
3399                )
3400                .children(action_slot),
3401        )
3402    }
3403
3404    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3405        let render_history = self
3406            .agent
3407            .clone()
3408            .downcast::<agent::NativeAgentServer>()
3409            .is_some()
3410            && self
3411                .history_store
3412                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3413
3414        v_flex()
3415            .size_full()
3416            .when(render_history, |this| {
3417                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3418                    history_store.entries().take(3).collect()
3419                });
3420                this.justify_end().child(
3421                    v_flex()
3422                        .child(
3423                            self.render_empty_state_section_header(
3424                                "Recent",
3425                                Some(
3426                                    Button::new("view-history", "View All")
3427                                        .style(ButtonStyle::Subtle)
3428                                        .label_size(LabelSize::Small)
3429                                        .key_binding(
3430                                            KeyBinding::for_action_in(
3431                                                &OpenHistory,
3432                                                &self.focus_handle(cx),
3433                                                cx,
3434                                            )
3435                                            .map(|kb| kb.size(rems_from_px(12.))),
3436                                        )
3437                                        .on_click(move |_event, window, cx| {
3438                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3439                                        })
3440                                        .into_any_element(),
3441                                ),
3442                                cx,
3443                            ),
3444                        )
3445                        .child(
3446                            v_flex().p_1().pr_1p5().gap_1().children(
3447                                recent_history
3448                                    .into_iter()
3449                                    .enumerate()
3450                                    .map(|(index, entry)| {
3451                                        // TODO: Add keyboard navigation.
3452                                        let is_hovered =
3453                                            self.hovered_recent_history_item == Some(index);
3454                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3455                                            entry,
3456                                            cx.entity().downgrade(),
3457                                        )
3458                                        .hovered(is_hovered)
3459                                        .on_hover(cx.listener(
3460                                            move |this, is_hovered, _window, cx| {
3461                                                if *is_hovered {
3462                                                    this.hovered_recent_history_item = Some(index);
3463                                                } else if this.hovered_recent_history_item
3464                                                    == Some(index)
3465                                                {
3466                                                    this.hovered_recent_history_item = None;
3467                                                }
3468                                                cx.notify();
3469                                            },
3470                                        ))
3471                                        .into_any_element()
3472                                    }),
3473                            ),
3474                        ),
3475                )
3476            })
3477            .into_any()
3478    }
3479
3480    fn render_auth_required_state(
3481        &self,
3482        connection: &Rc<dyn AgentConnection>,
3483        description: Option<&Entity<Markdown>>,
3484        configuration_view: Option<&AnyView>,
3485        pending_auth_method: Option<&acp::AuthMethodId>,
3486        window: &mut Window,
3487        cx: &Context<Self>,
3488    ) -> Div {
3489        let show_description =
3490            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3491
3492        let auth_methods = connection.auth_methods();
3493
3494        v_flex().flex_1().size_full().justify_end().child(
3495            v_flex()
3496                .p_2()
3497                .pr_3()
3498                .w_full()
3499                .gap_1()
3500                .border_t_1()
3501                .border_color(cx.theme().colors().border)
3502                .bg(cx.theme().status().warning.opacity(0.04))
3503                .child(
3504                    h_flex()
3505                        .gap_1p5()
3506                        .child(
3507                            Icon::new(IconName::Warning)
3508                                .color(Color::Warning)
3509                                .size(IconSize::Small),
3510                        )
3511                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3512                )
3513                .children(description.map(|desc| {
3514                    div().text_ui(cx).child(self.render_markdown(
3515                        desc.clone(),
3516                        default_markdown_style(false, false, window, cx),
3517                    ))
3518                }))
3519                .children(
3520                    configuration_view
3521                        .cloned()
3522                        .map(|view| div().w_full().child(view)),
3523                )
3524                .when(show_description, |el| {
3525                    el.child(
3526                        Label::new(format!(
3527                            "You are not currently authenticated with {}.{}",
3528                            self.agent.name(),
3529                            if auth_methods.len() > 1 {
3530                                " Please choose one of the following options:"
3531                            } else {
3532                                ""
3533                            }
3534                        ))
3535                        .size(LabelSize::Small)
3536                        .color(Color::Muted)
3537                        .mb_1()
3538                        .ml_5(),
3539                    )
3540                })
3541                .when_some(pending_auth_method, |el, _| {
3542                    el.child(
3543                        h_flex()
3544                            .py_4()
3545                            .w_full()
3546                            .justify_center()
3547                            .gap_1()
3548                            .child(
3549                                Icon::new(IconName::ArrowCircle)
3550                                    .size(IconSize::Small)
3551                                    .color(Color::Muted)
3552                                    .with_rotate_animation(2),
3553                            )
3554                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3555                    )
3556                })
3557                .when(!auth_methods.is_empty(), |this| {
3558                    this.child(
3559                        h_flex()
3560                            .justify_end()
3561                            .flex_wrap()
3562                            .gap_1()
3563                            .when(!show_description, |this| {
3564                                this.border_t_1()
3565                                    .mt_1()
3566                                    .pt_2()
3567                                    .border_color(cx.theme().colors().border.opacity(0.8))
3568                            })
3569                            .children(connection.auth_methods().iter().enumerate().rev().map(
3570                                |(ix, method)| {
3571                                    let (method_id, name) = if self
3572                                        .project
3573                                        .read(cx)
3574                                        .is_via_remote_server()
3575                                        && method.id.0.as_ref() == "oauth-personal"
3576                                        && method.name == "Log in with Google"
3577                                    {
3578                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3579                                    } else {
3580                                        (method.id.0.clone(), method.name.clone())
3581                                    };
3582
3583                                    let agent_telemetry_id = connection.telemetry_id();
3584
3585                                    Button::new(method_id.clone(), name)
3586                                        .label_size(LabelSize::Small)
3587                                        .map(|this| {
3588                                            if ix == 0 {
3589                                                this.style(ButtonStyle::Tinted(TintColor::Warning))
3590                                            } else {
3591                                                this.style(ButtonStyle::Outlined)
3592                                            }
3593                                        })
3594                                        .when_some(
3595                                            method.description.clone(),
3596                                            |this, description| {
3597                                                this.tooltip(Tooltip::text(description))
3598                                            },
3599                                        )
3600                                        .on_click({
3601                                            cx.listener(move |this, _, window, cx| {
3602                                                telemetry::event!(
3603                                                    "Authenticate Agent Started",
3604                                                    agent = agent_telemetry_id,
3605                                                    method = method_id
3606                                                );
3607
3608                                                this.authenticate(
3609                                                    acp::AuthMethodId::new(method_id.clone()),
3610                                                    window,
3611                                                    cx,
3612                                                )
3613                                            })
3614                                        })
3615                                },
3616                            )),
3617                    )
3618                }),
3619        )
3620    }
3621
3622    fn render_load_error(
3623        &self,
3624        e: &LoadError,
3625        window: &mut Window,
3626        cx: &mut Context<Self>,
3627    ) -> AnyElement {
3628        let (title, message, action_slot): (_, SharedString, _) = match e {
3629            LoadError::Unsupported {
3630                command: path,
3631                current_version,
3632                minimum_version,
3633            } => {
3634                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3635            }
3636            LoadError::FailedToInstall(msg) => (
3637                "Failed to Install",
3638                msg.into(),
3639                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3640            ),
3641            LoadError::Exited { status } => (
3642                "Failed to Launch",
3643                format!("Server exited with status {status}").into(),
3644                None,
3645            ),
3646            LoadError::Other(msg) => (
3647                "Failed to Launch",
3648                msg.into(),
3649                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3650            ),
3651        };
3652
3653        Callout::new()
3654            .severity(Severity::Error)
3655            .icon(IconName::XCircleFilled)
3656            .title(title)
3657            .description(message)
3658            .actions_slot(div().children(action_slot))
3659            .into_any_element()
3660    }
3661
3662    fn render_unsupported(
3663        &self,
3664        path: &SharedString,
3665        version: &SharedString,
3666        minimum_version: &SharedString,
3667        _window: &mut Window,
3668        cx: &mut Context<Self>,
3669    ) -> AnyElement {
3670        let (heading_label, description_label) = (
3671            format!("Upgrade {} to work with Zed", self.agent.name()),
3672            if version.is_empty() {
3673                format!(
3674                    "Currently using {}, which does not report a valid --version",
3675                    path,
3676                )
3677            } else {
3678                format!(
3679                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3680                    path, version
3681                )
3682            },
3683        );
3684
3685        v_flex()
3686            .w_full()
3687            .p_3p5()
3688            .gap_2p5()
3689            .border_t_1()
3690            .border_color(cx.theme().colors().border)
3691            .bg(linear_gradient(
3692                180.,
3693                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3694                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3695            ))
3696            .child(
3697                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3698                    Label::new(description_label)
3699                        .size(LabelSize::Small)
3700                        .color(Color::Muted),
3701                ),
3702            )
3703            .into_any_element()
3704    }
3705
3706    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3707        let editor_bg_color = cx.theme().colors().editor_background;
3708        let active_color = cx.theme().colors().element_selected;
3709        editor_bg_color.blend(active_color.opacity(0.3))
3710    }
3711
3712    fn render_activity_bar(
3713        &self,
3714        thread_entity: &Entity<AcpThread>,
3715        window: &mut Window,
3716        cx: &Context<Self>,
3717    ) -> Option<AnyElement> {
3718        let thread = thread_entity.read(cx);
3719        let action_log = thread.action_log();
3720        let telemetry = ActionLogTelemetry::from(thread);
3721        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3722        let plan = thread.plan();
3723
3724        if changed_buffers.is_empty() && plan.is_empty() {
3725            return None;
3726        }
3727
3728        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3729        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3730        // be, which blocks you from being able to accept or reject edits. This switches the
3731        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3732        // block you from using the panel.
3733        let pending_edits = false;
3734
3735        v_flex()
3736            .mt_1()
3737            .mx_2()
3738            .bg(self.activity_bar_bg(cx))
3739            .border_1()
3740            .border_b_0()
3741            .border_color(cx.theme().colors().border)
3742            .rounded_t_md()
3743            .shadow(vec![gpui::BoxShadow {
3744                color: gpui::black().opacity(0.15),
3745                offset: point(px(1.), px(-1.)),
3746                blur_radius: px(3.),
3747                spread_radius: px(0.),
3748            }])
3749            .when(!plan.is_empty(), |this| {
3750                this.child(self.render_plan_summary(plan, window, cx))
3751                    .when(self.plan_expanded, |parent| {
3752                        parent.child(self.render_plan_entries(plan, window, cx))
3753                    })
3754            })
3755            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3756                this.child(Divider::horizontal().color(DividerColor::Border))
3757            })
3758            .when(!changed_buffers.is_empty(), |this| {
3759                this.child(self.render_edits_summary(
3760                    &changed_buffers,
3761                    self.edits_expanded,
3762                    pending_edits,
3763                    cx,
3764                ))
3765                .when(self.edits_expanded, |parent| {
3766                    parent.child(self.render_edited_files(
3767                        action_log,
3768                        telemetry,
3769                        &changed_buffers,
3770                        pending_edits,
3771                        cx,
3772                    ))
3773                })
3774            })
3775            .into_any()
3776            .into()
3777    }
3778
3779    fn render_plan_summary(
3780        &self,
3781        plan: &Plan,
3782        window: &mut Window,
3783        cx: &Context<Self>,
3784    ) -> impl IntoElement {
3785        let stats = plan.stats();
3786
3787        let title = if let Some(entry) = stats.in_progress_entry
3788            && !self.plan_expanded
3789        {
3790            h_flex()
3791                .cursor_default()
3792                .relative()
3793                .w_full()
3794                .gap_1()
3795                .truncate()
3796                .child(
3797                    Label::new("Current:")
3798                        .size(LabelSize::Small)
3799                        .color(Color::Muted),
3800                )
3801                .child(
3802                    div()
3803                        .text_xs()
3804                        .text_color(cx.theme().colors().text_muted)
3805                        .line_clamp(1)
3806                        .child(MarkdownElement::new(
3807                            entry.content.clone(),
3808                            plan_label_markdown_style(&entry.status, window, cx),
3809                        )),
3810                )
3811                .when(stats.pending > 0, |this| {
3812                    this.child(
3813                        h_flex()
3814                            .absolute()
3815                            .top_0()
3816                            .right_0()
3817                            .h_full()
3818                            .child(div().min_w_8().h_full().bg(linear_gradient(
3819                                90.,
3820                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3821                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3822                            )))
3823                            .child(
3824                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3825                                    Label::new(format!("{} left", stats.pending))
3826                                        .size(LabelSize::Small)
3827                                        .color(Color::Muted),
3828                                ),
3829                            ),
3830                    )
3831                })
3832        } else {
3833            let status_label = if stats.pending == 0 {
3834                "All Done".to_string()
3835            } else if stats.completed == 0 {
3836                format!("{} Tasks", plan.entries.len())
3837            } else {
3838                format!("{}/{}", stats.completed, plan.entries.len())
3839            };
3840
3841            h_flex()
3842                .w_full()
3843                .gap_1()
3844                .justify_between()
3845                .child(
3846                    Label::new("Plan")
3847                        .size(LabelSize::Small)
3848                        .color(Color::Muted),
3849                )
3850                .child(
3851                    Label::new(status_label)
3852                        .size(LabelSize::Small)
3853                        .color(Color::Muted)
3854                        .mr_1(),
3855                )
3856        };
3857
3858        h_flex()
3859            .id("plan_summary")
3860            .p_1()
3861            .w_full()
3862            .gap_1()
3863            .when(self.plan_expanded, |this| {
3864                this.border_b_1().border_color(cx.theme().colors().border)
3865            })
3866            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3867            .child(title)
3868            .on_click(cx.listener(|this, _, _, cx| {
3869                this.plan_expanded = !this.plan_expanded;
3870                cx.notify();
3871            }))
3872    }
3873
3874    fn render_plan_entries(
3875        &self,
3876        plan: &Plan,
3877        window: &mut Window,
3878        cx: &Context<Self>,
3879    ) -> impl IntoElement {
3880        v_flex()
3881            .id("plan_items_list")
3882            .max_h_40()
3883            .overflow_y_scroll()
3884            .children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3885                let element = h_flex()
3886                    .py_1()
3887                    .px_2()
3888                    .gap_2()
3889                    .justify_between()
3890                    .bg(cx.theme().colors().editor_background)
3891                    .when(index < plan.entries.len() - 1, |parent| {
3892                        parent.border_color(cx.theme().colors().border).border_b_1()
3893                    })
3894                    .child(
3895                        h_flex()
3896                            .id(("plan_entry", index))
3897                            .gap_1p5()
3898                            .max_w_full()
3899                            .overflow_x_scroll()
3900                            .text_xs()
3901                            .text_color(cx.theme().colors().text_muted)
3902                            .child(match entry.status {
3903                                acp::PlanEntryStatus::InProgress => {
3904                                    Icon::new(IconName::TodoProgress)
3905                                        .size(IconSize::Small)
3906                                        .color(Color::Accent)
3907                                        .with_rotate_animation(2)
3908                                        .into_any_element()
3909                                }
3910                                acp::PlanEntryStatus::Completed => {
3911                                    Icon::new(IconName::TodoComplete)
3912                                        .size(IconSize::Small)
3913                                        .color(Color::Success)
3914                                        .into_any_element()
3915                                }
3916                                acp::PlanEntryStatus::Pending | _ => {
3917                                    Icon::new(IconName::TodoPending)
3918                                        .size(IconSize::Small)
3919                                        .color(Color::Muted)
3920                                        .into_any_element()
3921                                }
3922                            })
3923                            .child(MarkdownElement::new(
3924                                entry.content.clone(),
3925                                plan_label_markdown_style(&entry.status, window, cx),
3926                            )),
3927                    );
3928
3929                Some(element)
3930            }))
3931            .into_any_element()
3932    }
3933
3934    fn render_edits_summary(
3935        &self,
3936        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3937        expanded: bool,
3938        pending_edits: bool,
3939        cx: &Context<Self>,
3940    ) -> Div {
3941        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3942
3943        let focus_handle = self.focus_handle(cx);
3944
3945        h_flex()
3946            .p_1()
3947            .justify_between()
3948            .flex_wrap()
3949            .when(expanded, |this| {
3950                this.border_b_1().border_color(cx.theme().colors().border)
3951            })
3952            .child(
3953                h_flex()
3954                    .id("edits-container")
3955                    .cursor_pointer()
3956                    .gap_1()
3957                    .child(Disclosure::new("edits-disclosure", expanded))
3958                    .map(|this| {
3959                        if pending_edits {
3960                            this.child(
3961                                Label::new(format!(
3962                                    "Editing {} {}",
3963                                    changed_buffers.len(),
3964                                    if changed_buffers.len() == 1 {
3965                                        "file"
3966                                    } else {
3967                                        "files"
3968                                    }
3969                                ))
3970                                .color(Color::Muted)
3971                                .size(LabelSize::Small)
3972                                .with_animation(
3973                                    "edit-label",
3974                                    Animation::new(Duration::from_secs(2))
3975                                        .repeat()
3976                                        .with_easing(pulsating_between(0.3, 0.7)),
3977                                    |label, delta| label.alpha(delta),
3978                                ),
3979                            )
3980                        } else {
3981                            this.child(
3982                                Label::new("Edits")
3983                                    .size(LabelSize::Small)
3984                                    .color(Color::Muted),
3985                            )
3986                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3987                            .child(
3988                                Label::new(format!(
3989                                    "{} {}",
3990                                    changed_buffers.len(),
3991                                    if changed_buffers.len() == 1 {
3992                                        "file"
3993                                    } else {
3994                                        "files"
3995                                    }
3996                                ))
3997                                .size(LabelSize::Small)
3998                                .color(Color::Muted),
3999                            )
4000                        }
4001                    })
4002                    .on_click(cx.listener(|this, _, _, cx| {
4003                        this.edits_expanded = !this.edits_expanded;
4004                        cx.notify();
4005                    })),
4006            )
4007            .child(
4008                h_flex()
4009                    .gap_1()
4010                    .child(
4011                        IconButton::new("review-changes", IconName::ListTodo)
4012                            .icon_size(IconSize::Small)
4013                            .tooltip({
4014                                let focus_handle = focus_handle.clone();
4015                                move |_window, cx| {
4016                                    Tooltip::for_action_in(
4017                                        "Review Changes",
4018                                        &OpenAgentDiff,
4019                                        &focus_handle,
4020                                        cx,
4021                                    )
4022                                }
4023                            })
4024                            .on_click(cx.listener(|_, _, window, cx| {
4025                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
4026                            })),
4027                    )
4028                    .child(Divider::vertical().color(DividerColor::Border))
4029                    .child(
4030                        Button::new("reject-all-changes", "Reject All")
4031                            .label_size(LabelSize::Small)
4032                            .disabled(pending_edits)
4033                            .when(pending_edits, |this| {
4034                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
4035                            })
4036                            .key_binding(
4037                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
4038                                    .map(|kb| kb.size(rems_from_px(10.))),
4039                            )
4040                            .on_click(cx.listener(move |this, _, window, cx| {
4041                                this.reject_all(&RejectAll, window, cx);
4042                            })),
4043                    )
4044                    .child(
4045                        Button::new("keep-all-changes", "Keep All")
4046                            .label_size(LabelSize::Small)
4047                            .disabled(pending_edits)
4048                            .when(pending_edits, |this| {
4049                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
4050                            })
4051                            .key_binding(
4052                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
4053                                    .map(|kb| kb.size(rems_from_px(10.))),
4054                            )
4055                            .on_click(cx.listener(move |this, _, window, cx| {
4056                                this.keep_all(&KeepAll, window, cx);
4057                            })),
4058                    ),
4059            )
4060    }
4061
4062    fn render_edited_files(
4063        &self,
4064        action_log: &Entity<ActionLog>,
4065        telemetry: ActionLogTelemetry,
4066        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
4067        pending_edits: bool,
4068        cx: &Context<Self>,
4069    ) -> impl IntoElement {
4070        let editor_bg_color = cx.theme().colors().editor_background;
4071
4072        v_flex()
4073            .id("edited_files_list")
4074            .max_h_40()
4075            .overflow_y_scroll()
4076            .children(
4077                changed_buffers
4078                    .iter()
4079                    .enumerate()
4080                    .flat_map(|(index, (buffer, _diff))| {
4081                        let file = buffer.read(cx).file()?;
4082                        let path = file.path();
4083                        let path_style = file.path_style(cx);
4084                        let separator = file.path_style(cx).primary_separator();
4085
4086                        let file_path = path.parent().and_then(|parent| {
4087                            if parent.is_empty() {
4088                                None
4089                            } else {
4090                                Some(
4091                                    Label::new(format!(
4092                                        "{}{separator}",
4093                                        parent.display(path_style)
4094                                    ))
4095                                    .color(Color::Muted)
4096                                    .size(LabelSize::XSmall)
4097                                    .buffer_font(cx),
4098                                )
4099                            }
4100                        });
4101
4102                        let file_name = path.file_name().map(|name| {
4103                            Label::new(name.to_string())
4104                                .size(LabelSize::XSmall)
4105                                .buffer_font(cx)
4106                                .ml_1p5()
4107                        });
4108
4109                        let full_path = path.display(path_style).to_string();
4110
4111                        let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
4112                            .map(Icon::from_path)
4113                            .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
4114                            .unwrap_or_else(|| {
4115                                Icon::new(IconName::File)
4116                                    .color(Color::Muted)
4117                                    .size(IconSize::Small)
4118                            });
4119
4120                        let overlay_gradient = linear_gradient(
4121                            90.,
4122                            linear_color_stop(editor_bg_color, 1.),
4123                            linear_color_stop(editor_bg_color.opacity(0.2), 0.),
4124                        );
4125
4126                        let element = h_flex()
4127                            .group("edited-code")
4128                            .id(("file-container", index))
4129                            .py_1()
4130                            .pl_2()
4131                            .pr_1()
4132                            .gap_2()
4133                            .justify_between()
4134                            .bg(editor_bg_color)
4135                            .when(index < changed_buffers.len() - 1, |parent| {
4136                                parent.border_color(cx.theme().colors().border).border_b_1()
4137                            })
4138                            .child(
4139                                h_flex()
4140                                    .id(("file-name-row", index))
4141                                    .relative()
4142                                    .pr_8()
4143                                    .w_full()
4144                                    .child(
4145                                        h_flex()
4146                                            .id(("file-name-path", index))
4147                                            .cursor_pointer()
4148                                            .pr_0p5()
4149                                            .gap_0p5()
4150                                            .hover(|s| s.bg(cx.theme().colors().element_hover))
4151                                            .rounded_xs()
4152                                            .child(file_icon)
4153                                            .children(file_name)
4154                                            .children(file_path)
4155                                            .tooltip(move |_, cx| {
4156                                                Tooltip::with_meta(
4157                                                    "Go to File",
4158                                                    None,
4159                                                    full_path.clone(),
4160                                                    cx,
4161                                                )
4162                                            })
4163                                            .on_click({
4164                                                let buffer = buffer.clone();
4165                                                cx.listener(move |this, _, window, cx| {
4166                                                    this.open_edited_buffer(&buffer, window, cx);
4167                                                })
4168                                            }),
4169                                    )
4170                                    .child(
4171                                        div()
4172                                            .absolute()
4173                                            .h_full()
4174                                            .w_12()
4175                                            .top_0()
4176                                            .bottom_0()
4177                                            .right_0()
4178                                            .bg(overlay_gradient),
4179                                    ),
4180                            )
4181                            .child(
4182                                h_flex()
4183                                    .gap_1()
4184                                    .visible_on_hover("edited-code")
4185                                    .child(
4186                                        Button::new("review", "Review")
4187                                            .label_size(LabelSize::Small)
4188                                            .on_click({
4189                                                let buffer = buffer.clone();
4190                                                cx.listener(move |this, _, window, cx| {
4191                                                    this.open_edited_buffer(&buffer, window, cx);
4192                                                })
4193                                            }),
4194                                    )
4195                                    .child(Divider::vertical().color(DividerColor::BorderVariant))
4196                                    .child(
4197                                        Button::new("reject-file", "Reject")
4198                                            .label_size(LabelSize::Small)
4199                                            .disabled(pending_edits)
4200                                            .on_click({
4201                                                let buffer = buffer.clone();
4202                                                let action_log = action_log.clone();
4203                                                let telemetry = telemetry.clone();
4204                                                move |_, _, cx| {
4205                                                    action_log.update(cx, |action_log, cx| {
4206                                                        action_log
4207                                                    .reject_edits_in_ranges(
4208                                                        buffer.clone(),
4209                                                        vec![Anchor::min_max_range_for_buffer(
4210                                                            buffer.read(cx).remote_id(),
4211                                                        )],
4212                                                        Some(telemetry.clone()),
4213                                                        cx,
4214                                                    )
4215                                                    .detach_and_log_err(cx);
4216                                                    })
4217                                                }
4218                                            }),
4219                                    )
4220                                    .child(
4221                                        Button::new("keep-file", "Keep")
4222                                            .label_size(LabelSize::Small)
4223                                            .disabled(pending_edits)
4224                                            .on_click({
4225                                                let buffer = buffer.clone();
4226                                                let action_log = action_log.clone();
4227                                                let telemetry = telemetry.clone();
4228                                                move |_, _, cx| {
4229                                                    action_log.update(cx, |action_log, cx| {
4230                                                        action_log.keep_edits_in_range(
4231                                                            buffer.clone(),
4232                                                            Anchor::min_max_range_for_buffer(
4233                                                                buffer.read(cx).remote_id(),
4234                                                            ),
4235                                                            Some(telemetry.clone()),
4236                                                            cx,
4237                                                        );
4238                                                    })
4239                                                }
4240                                            }),
4241                                    ),
4242                            );
4243
4244                        Some(element)
4245                    }),
4246            )
4247            .into_any_element()
4248    }
4249
4250    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
4251        let focus_handle = self.message_editor.focus_handle(cx);
4252        let editor_bg_color = cx.theme().colors().editor_background;
4253        let (expand_icon, expand_tooltip) = if self.editor_expanded {
4254            (IconName::Minimize, "Minimize Message Editor")
4255        } else {
4256            (IconName::Maximize, "Expand Message Editor")
4257        };
4258
4259        let backdrop = div()
4260            .size_full()
4261            .absolute()
4262            .inset_0()
4263            .bg(cx.theme().colors().panel_background)
4264            .opacity(0.8)
4265            .block_mouse_except_scroll();
4266
4267        let enable_editor = match self.thread_state {
4268            ThreadState::Ready { .. } => true,
4269            ThreadState::Loading { .. }
4270            | ThreadState::Unauthenticated { .. }
4271            | ThreadState::LoadError(..) => false,
4272        };
4273
4274        v_flex()
4275            .on_action(cx.listener(Self::expand_message_editor))
4276            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
4277                if let Some(profile_selector) = this.profile_selector.as_ref() {
4278                    profile_selector.read(cx).menu_handle().toggle(window, cx);
4279                } else if let Some(mode_selector) = this.mode_selector() {
4280                    mode_selector.read(cx).menu_handle().toggle(window, cx);
4281                }
4282            }))
4283            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
4284                if let Some(profile_selector) = this.profile_selector.as_ref() {
4285                    profile_selector.update(cx, |profile_selector, cx| {
4286                        profile_selector.cycle_profile(cx);
4287                    });
4288                } else if let Some(mode_selector) = this.mode_selector() {
4289                    mode_selector.update(cx, |mode_selector, cx| {
4290                        mode_selector.cycle_mode(window, cx);
4291                    });
4292                }
4293            }))
4294            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
4295                if let Some(model_selector) = this.model_selector.as_ref() {
4296                    model_selector
4297                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
4298                }
4299            }))
4300            .on_action(cx.listener(|this, _: &CycleFavoriteModels, window, cx| {
4301                if let Some(model_selector) = this.model_selector.as_ref() {
4302                    model_selector.update(cx, |model_selector, cx| {
4303                        model_selector.cycle_favorite_models(window, cx);
4304                    });
4305                }
4306            }))
4307            .p_2()
4308            .gap_2()
4309            .border_t_1()
4310            .border_color(cx.theme().colors().border)
4311            .bg(editor_bg_color)
4312            .when(self.editor_expanded, |this| {
4313                this.h(vh(0.8, window)).size_full().justify_between()
4314            })
4315            .child(
4316                v_flex()
4317                    .relative()
4318                    .size_full()
4319                    .pt_1()
4320                    .pr_2p5()
4321                    .child(self.message_editor.clone())
4322                    .child(
4323                        h_flex()
4324                            .absolute()
4325                            .top_0()
4326                            .right_0()
4327                            .opacity(0.5)
4328                            .hover(|this| this.opacity(1.0))
4329                            .child(
4330                                IconButton::new("toggle-height", expand_icon)
4331                                    .icon_size(IconSize::Small)
4332                                    .icon_color(Color::Muted)
4333                                    .tooltip({
4334                                        move |_window, cx| {
4335                                            Tooltip::for_action_in(
4336                                                expand_tooltip,
4337                                                &ExpandMessageEditor,
4338                                                &focus_handle,
4339                                                cx,
4340                                            )
4341                                        }
4342                                    })
4343                                    .on_click(cx.listener(|this, _, window, cx| {
4344                                        this.expand_message_editor(
4345                                            &ExpandMessageEditor,
4346                                            window,
4347                                            cx,
4348                                        );
4349                                    })),
4350                            ),
4351                    ),
4352            )
4353            .child(
4354                h_flex()
4355                    .flex_none()
4356                    .flex_wrap()
4357                    .justify_between()
4358                    .child(
4359                        h_flex()
4360                            .gap_0p5()
4361                            .child(self.render_add_context_button(cx))
4362                            .child(self.render_follow_toggle(cx))
4363                            .children(self.render_burn_mode_toggle(cx)),
4364                    )
4365                    .child(
4366                        h_flex()
4367                            .gap_1()
4368                            .children(self.render_token_usage(cx))
4369                            .children(self.profile_selector.clone())
4370                            .children(self.mode_selector().cloned())
4371                            .children(self.model_selector.clone())
4372                            .child(self.render_send_button(cx)),
4373                    ),
4374            )
4375            .when(!enable_editor, |this| this.child(backdrop))
4376            .into_any()
4377    }
4378
4379    pub(crate) fn as_native_connection(
4380        &self,
4381        cx: &App,
4382    ) -> Option<Rc<agent::NativeAgentConnection>> {
4383        let acp_thread = self.thread()?.read(cx);
4384        acp_thread.connection().clone().downcast()
4385    }
4386
4387    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4388        let acp_thread = self.thread()?.read(cx);
4389        self.as_native_connection(cx)?
4390            .thread(acp_thread.session_id(), cx)
4391    }
4392
4393    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4394        self.as_native_thread(cx)
4395            .and_then(|thread| thread.read(cx).model())
4396            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4397    }
4398
4399    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4400        let thread = self.thread()?.read(cx);
4401        let usage = thread.token_usage()?;
4402        let is_generating = thread.status() != ThreadStatus::Idle;
4403
4404        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4405        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4406
4407        Some(
4408            h_flex()
4409                .flex_shrink_0()
4410                .gap_0p5()
4411                .mr_1p5()
4412                .child(
4413                    Label::new(used)
4414                        .size(LabelSize::Small)
4415                        .color(Color::Muted)
4416                        .map(|label| {
4417                            if is_generating {
4418                                label
4419                                    .with_animation(
4420                                        "used-tokens-label",
4421                                        Animation::new(Duration::from_secs(2))
4422                                            .repeat()
4423                                            .with_easing(pulsating_between(0.3, 0.8)),
4424                                        |label, delta| label.alpha(delta),
4425                                    )
4426                                    .into_any()
4427                            } else {
4428                                label.into_any_element()
4429                            }
4430                        }),
4431                )
4432                .child(
4433                    Label::new("/")
4434                        .size(LabelSize::Small)
4435                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4436                )
4437                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4438        )
4439    }
4440
4441    fn toggle_burn_mode(
4442        &mut self,
4443        _: &ToggleBurnMode,
4444        _window: &mut Window,
4445        cx: &mut Context<Self>,
4446    ) {
4447        let Some(thread) = self.as_native_thread(cx) else {
4448            return;
4449        };
4450
4451        thread.update(cx, |thread, cx| {
4452            let current_mode = thread.completion_mode();
4453            thread.set_completion_mode(
4454                match current_mode {
4455                    CompletionMode::Burn => CompletionMode::Normal,
4456                    CompletionMode::Normal => CompletionMode::Burn,
4457                },
4458                cx,
4459            );
4460        });
4461    }
4462
4463    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4464        let Some(thread) = self.thread() else {
4465            return;
4466        };
4467        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4468        let action_log = thread.read(cx).action_log().clone();
4469        action_log.update(cx, |action_log, cx| {
4470            action_log.keep_all_edits(Some(telemetry), cx)
4471        });
4472    }
4473
4474    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4475        let Some(thread) = self.thread() else {
4476            return;
4477        };
4478        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4479        let action_log = thread.read(cx).action_log().clone();
4480        action_log
4481            .update(cx, |action_log, cx| {
4482                action_log.reject_all_edits(Some(telemetry), cx)
4483            })
4484            .detach();
4485    }
4486
4487    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4488        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4489    }
4490
4491    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4492        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4493    }
4494
4495    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4496        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4497    }
4498
4499    fn authorize_pending_tool_call(
4500        &mut self,
4501        kind: acp::PermissionOptionKind,
4502        window: &mut Window,
4503        cx: &mut Context<Self>,
4504    ) -> Option<()> {
4505        let thread = self.thread()?.read(cx);
4506        let tool_call = thread.first_tool_awaiting_confirmation()?;
4507        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4508            return None;
4509        };
4510        let option = options.iter().find(|o| o.kind == kind)?;
4511
4512        self.authorize_tool_call(
4513            tool_call.id.clone(),
4514            option.option_id.clone(),
4515            option.kind,
4516            window,
4517            cx,
4518        );
4519
4520        Some(())
4521    }
4522
4523    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4524        let thread = self.as_native_thread(cx)?.read(cx);
4525
4526        if thread
4527            .model()
4528            .is_none_or(|model| !model.supports_burn_mode())
4529        {
4530            return None;
4531        }
4532
4533        let active_completion_mode = thread.completion_mode();
4534        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4535        let icon = if burn_mode_enabled {
4536            IconName::ZedBurnModeOn
4537        } else {
4538            IconName::ZedBurnMode
4539        };
4540
4541        Some(
4542            IconButton::new("burn-mode", icon)
4543                .icon_size(IconSize::Small)
4544                .icon_color(Color::Muted)
4545                .toggle_state(burn_mode_enabled)
4546                .selected_icon_color(Color::Error)
4547                .on_click(cx.listener(|this, _event, window, cx| {
4548                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4549                }))
4550                .tooltip(move |_window, cx| {
4551                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4552                        .into()
4553                })
4554                .into_any_element(),
4555        )
4556    }
4557
4558    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4559        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4560        let is_generating = self
4561            .thread()
4562            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4563
4564        if self.is_loading_contents {
4565            div()
4566                .id("loading-message-content")
4567                .px_1()
4568                .tooltip(Tooltip::text("Loading Added Context…"))
4569                .child(loading_contents_spinner(IconSize::default()))
4570                .into_any_element()
4571        } else if is_generating && is_editor_empty {
4572            IconButton::new("stop-generation", IconName::Stop)
4573                .icon_color(Color::Error)
4574                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4575                .tooltip(move |_window, cx| {
4576                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4577                })
4578                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4579                .into_any_element()
4580        } else {
4581            let send_btn_tooltip = if is_editor_empty && !is_generating {
4582                "Type to Send"
4583            } else if is_generating {
4584                "Stop and Send Message"
4585            } else {
4586                "Send"
4587            };
4588
4589            IconButton::new("send-message", IconName::Send)
4590                .style(ButtonStyle::Filled)
4591                .map(|this| {
4592                    if is_editor_empty && !is_generating {
4593                        this.disabled(true).icon_color(Color::Muted)
4594                    } else {
4595                        this.icon_color(Color::Accent)
4596                    }
4597                })
4598                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4599                .on_click(cx.listener(|this, _, window, cx| {
4600                    this.send(window, cx);
4601                }))
4602                .into_any_element()
4603        }
4604    }
4605
4606    fn is_following(&self, cx: &App) -> bool {
4607        match self.thread().map(|thread| thread.read(cx).status()) {
4608            Some(ThreadStatus::Generating) => self
4609                .workspace
4610                .read_with(cx, |workspace, _| {
4611                    workspace.is_being_followed(CollaboratorId::Agent)
4612                })
4613                .unwrap_or(false),
4614            _ => self.should_be_following,
4615        }
4616    }
4617
4618    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4619        let following = self.is_following(cx);
4620
4621        self.should_be_following = !following;
4622        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4623            self.workspace
4624                .update(cx, |workspace, cx| {
4625                    if following {
4626                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4627                    } else {
4628                        workspace.follow(CollaboratorId::Agent, window, cx);
4629                    }
4630                })
4631                .ok();
4632        }
4633
4634        telemetry::event!("Follow Agent Selected", following = !following);
4635    }
4636
4637    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4638        let following = self.is_following(cx);
4639
4640        let tooltip_label = if following {
4641            if self.agent.name() == "Zed Agent" {
4642                format!("Stop Following the {}", self.agent.name())
4643            } else {
4644                format!("Stop Following {}", self.agent.name())
4645            }
4646        } else {
4647            if self.agent.name() == "Zed Agent" {
4648                format!("Follow the {}", self.agent.name())
4649            } else {
4650                format!("Follow {}", self.agent.name())
4651            }
4652        };
4653
4654        IconButton::new("follow-agent", IconName::Crosshair)
4655            .icon_size(IconSize::Small)
4656            .icon_color(Color::Muted)
4657            .toggle_state(following)
4658            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4659            .tooltip(move |_window, cx| {
4660                if following {
4661                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4662                } else {
4663                    Tooltip::with_meta(
4664                        tooltip_label.clone(),
4665                        Some(&Follow),
4666                        "Track the agent's location as it reads and edits files.",
4667                        cx,
4668                    )
4669                }
4670            })
4671            .on_click(cx.listener(move |this, _, window, cx| {
4672                this.toggle_following(window, cx);
4673            }))
4674    }
4675
4676    fn render_add_context_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4677        let message_editor = self.message_editor.clone();
4678        let menu_visible = message_editor.read(cx).is_completions_menu_visible(cx);
4679
4680        IconButton::new("add-context", IconName::AtSign)
4681            .icon_size(IconSize::Small)
4682            .icon_color(Color::Muted)
4683            .when(!menu_visible, |this| {
4684                this.tooltip(move |_window, cx| {
4685                    Tooltip::with_meta("Add Context", None, "Or type @ to include context", cx)
4686                })
4687            })
4688            .on_click(cx.listener(move |_this, _, window, cx| {
4689                let message_editor_clone = message_editor.clone();
4690
4691                window.defer(cx, move |window, cx| {
4692                    message_editor_clone.update(cx, |message_editor, cx| {
4693                        message_editor.trigger_completion_menu(window, cx);
4694                    });
4695                });
4696            }))
4697    }
4698
4699    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4700        let workspace = self.workspace.clone();
4701        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4702            Self::open_link(text, &workspace, window, cx);
4703        })
4704    }
4705
4706    fn open_link(
4707        url: SharedString,
4708        workspace: &WeakEntity<Workspace>,
4709        window: &mut Window,
4710        cx: &mut App,
4711    ) {
4712        let Some(workspace) = workspace.upgrade() else {
4713            cx.open_url(&url);
4714            return;
4715        };
4716
4717        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
4718        {
4719            workspace.update(cx, |workspace, cx| match mention {
4720                MentionUri::File { abs_path } => {
4721                    let project = workspace.project();
4722                    let Some(path) =
4723                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4724                    else {
4725                        return;
4726                    };
4727
4728                    workspace
4729                        .open_path(path, None, true, window, cx)
4730                        .detach_and_log_err(cx);
4731                }
4732                MentionUri::PastedImage => {}
4733                MentionUri::Directory { abs_path } => {
4734                    let project = workspace.project();
4735                    let Some(entry_id) = project.update(cx, |project, cx| {
4736                        let path = project.find_project_path(abs_path, cx)?;
4737                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4738                    }) else {
4739                        return;
4740                    };
4741
4742                    project.update(cx, |_, cx| {
4743                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4744                    });
4745                }
4746                MentionUri::Symbol {
4747                    abs_path: path,
4748                    line_range,
4749                    ..
4750                }
4751                | MentionUri::Selection {
4752                    abs_path: Some(path),
4753                    line_range,
4754                } => {
4755                    let project = workspace.project();
4756                    let Some(path) =
4757                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4758                    else {
4759                        return;
4760                    };
4761
4762                    let item = workspace.open_path(path, None, true, window, cx);
4763                    window
4764                        .spawn(cx, async move |cx| {
4765                            let Some(editor) = item.await?.downcast::<Editor>() else {
4766                                return Ok(());
4767                            };
4768                            let range = Point::new(*line_range.start(), 0)
4769                                ..Point::new(*line_range.start(), 0);
4770                            editor
4771                                .update_in(cx, |editor, window, cx| {
4772                                    editor.change_selections(
4773                                        SelectionEffects::scroll(Autoscroll::center()),
4774                                        window,
4775                                        cx,
4776                                        |s| s.select_ranges(vec![range]),
4777                                    );
4778                                })
4779                                .ok();
4780                            anyhow::Ok(())
4781                        })
4782                        .detach_and_log_err(cx);
4783                }
4784                MentionUri::Selection { abs_path: None, .. } => {}
4785                MentionUri::Thread { id, name } => {
4786                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4787                        panel.update(cx, |panel, cx| {
4788                            panel.load_agent_thread(
4789                                DbThreadMetadata {
4790                                    id,
4791                                    title: name.into(),
4792                                    updated_at: Default::default(),
4793                                },
4794                                window,
4795                                cx,
4796                            )
4797                        });
4798                    }
4799                }
4800                MentionUri::TextThread { path, .. } => {
4801                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4802                        panel.update(cx, |panel, cx| {
4803                            panel
4804                                .open_saved_text_thread(path.as_path().into(), window, cx)
4805                                .detach_and_log_err(cx);
4806                        });
4807                    }
4808                }
4809                MentionUri::Rule { id, .. } => {
4810                    let PromptId::User { uuid } = id else {
4811                        return;
4812                    };
4813                    window.dispatch_action(
4814                        Box::new(OpenRulesLibrary {
4815                            prompt_to_select: Some(uuid.0),
4816                        }),
4817                        cx,
4818                    )
4819                }
4820                MentionUri::Fetch { url } => {
4821                    cx.open_url(url.as_str());
4822                }
4823            })
4824        } else {
4825            cx.open_url(&url);
4826        }
4827    }
4828
4829    fn open_tool_call_location(
4830        &self,
4831        entry_ix: usize,
4832        location_ix: usize,
4833        window: &mut Window,
4834        cx: &mut Context<Self>,
4835    ) -> Option<()> {
4836        let (tool_call_location, agent_location) = self
4837            .thread()?
4838            .read(cx)
4839            .entries()
4840            .get(entry_ix)?
4841            .location(location_ix)?;
4842
4843        let project_path = self
4844            .project
4845            .read(cx)
4846            .find_project_path(&tool_call_location.path, cx)?;
4847
4848        let open_task = self
4849            .workspace
4850            .update(cx, |workspace, cx| {
4851                workspace.open_path(project_path, None, true, window, cx)
4852            })
4853            .log_err()?;
4854        window
4855            .spawn(cx, async move |cx| {
4856                let item = open_task.await?;
4857
4858                let Some(active_editor) = item.downcast::<Editor>() else {
4859                    return anyhow::Ok(());
4860                };
4861
4862                active_editor.update_in(cx, |editor, window, cx| {
4863                    let multibuffer = editor.buffer().read(cx);
4864                    let buffer = multibuffer.as_singleton();
4865                    if agent_location.buffer.upgrade() == buffer {
4866                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4867                        let anchor =
4868                            editor::Anchor::in_buffer(excerpt_id.unwrap(), agent_location.position);
4869                        editor.change_selections(Default::default(), window, cx, |selections| {
4870                            selections.select_anchor_ranges([anchor..anchor]);
4871                        })
4872                    } else {
4873                        let row = tool_call_location.line.unwrap_or_default();
4874                        editor.change_selections(Default::default(), window, cx, |selections| {
4875                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4876                        })
4877                    }
4878                })?;
4879
4880                anyhow::Ok(())
4881            })
4882            .detach_and_log_err(cx);
4883
4884        None
4885    }
4886
4887    pub fn open_thread_as_markdown(
4888        &self,
4889        workspace: Entity<Workspace>,
4890        window: &mut Window,
4891        cx: &mut App,
4892    ) -> Task<Result<()>> {
4893        let markdown_language_task = workspace
4894            .read(cx)
4895            .app_state()
4896            .languages
4897            .language_for_name("Markdown");
4898
4899        let (thread_title, markdown) = if let Some(thread) = self.thread() {
4900            let thread = thread.read(cx);
4901            (thread.title().to_string(), thread.to_markdown(cx))
4902        } else {
4903            return Task::ready(Ok(()));
4904        };
4905
4906        let project = workspace.read(cx).project().clone();
4907        window.spawn(cx, async move |cx| {
4908            let markdown_language = markdown_language_task.await?;
4909
4910            let buffer = project
4911                .update(cx, |project, cx| project.create_buffer(false, cx))?
4912                .await?;
4913
4914            buffer.update(cx, |buffer, cx| {
4915                buffer.set_text(markdown, cx);
4916                buffer.set_language(Some(markdown_language), cx);
4917                buffer.set_capability(language::Capability::ReadWrite, cx);
4918            })?;
4919
4920            workspace.update_in(cx, |workspace, window, cx| {
4921                let buffer = cx
4922                    .new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_title.clone()));
4923
4924                workspace.add_item_to_active_pane(
4925                    Box::new(cx.new(|cx| {
4926                        let mut editor =
4927                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4928                        editor.set_breadcrumb_header(thread_title);
4929                        editor
4930                    })),
4931                    None,
4932                    true,
4933                    window,
4934                    cx,
4935                );
4936            })?;
4937            anyhow::Ok(())
4938        })
4939    }
4940
4941    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4942        self.list_state.scroll_to(ListOffset::default());
4943        cx.notify();
4944    }
4945
4946    fn scroll_to_most_recent_user_prompt(&mut self, cx: &mut Context<Self>) {
4947        let Some(thread) = self.thread() else {
4948            return;
4949        };
4950
4951        let entries = thread.read(cx).entries();
4952        if entries.is_empty() {
4953            return;
4954        }
4955
4956        // Find the most recent user message and scroll it to the top of the viewport.
4957        // (Fallback: if no user message exists, scroll to the bottom.)
4958        if let Some(ix) = entries
4959            .iter()
4960            .rposition(|entry| matches!(entry, AgentThreadEntry::UserMessage(_)))
4961        {
4962            self.list_state.scroll_to(ListOffset {
4963                item_ix: ix,
4964                offset_in_item: px(0.0),
4965            });
4966            cx.notify();
4967        } else {
4968            self.scroll_to_bottom(cx);
4969        }
4970    }
4971
4972    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4973        if let Some(thread) = self.thread() {
4974            let entry_count = thread.read(cx).entries().len();
4975            self.list_state.reset(entry_count);
4976            cx.notify();
4977        }
4978    }
4979
4980    fn notify_with_sound(
4981        &mut self,
4982        caption: impl Into<SharedString>,
4983        icon: IconName,
4984        window: &mut Window,
4985        cx: &mut Context<Self>,
4986    ) {
4987        self.play_notification_sound(window, cx);
4988        self.show_notification(caption, icon, window, cx);
4989    }
4990
4991    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4992        let settings = AgentSettings::get_global(cx);
4993        if settings.play_sound_when_agent_done && !window.is_window_active() {
4994            Audio::play_sound(Sound::AgentDone, cx);
4995        }
4996    }
4997
4998    fn show_notification(
4999        &mut self,
5000        caption: impl Into<SharedString>,
5001        icon: IconName,
5002        window: &mut Window,
5003        cx: &mut Context<Self>,
5004    ) {
5005        if !self.notifications.is_empty() {
5006            return;
5007        }
5008
5009        let settings = AgentSettings::get_global(cx);
5010
5011        let window_is_inactive = !window.is_window_active();
5012        let panel_is_hidden = self
5013            .workspace
5014            .upgrade()
5015            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
5016            .unwrap_or(true);
5017
5018        let should_notify = window_is_inactive || panel_is_hidden;
5019
5020        if !should_notify {
5021            return;
5022        }
5023
5024        // TODO: Change this once we have title summarization for external agents.
5025        let title = self.agent.name();
5026
5027        match settings.notify_when_agent_waiting {
5028            NotifyWhenAgentWaiting::PrimaryScreen => {
5029                if let Some(primary) = cx.primary_display() {
5030                    self.pop_up(icon, caption.into(), title, window, primary, cx);
5031                }
5032            }
5033            NotifyWhenAgentWaiting::AllScreens => {
5034                let caption = caption.into();
5035                for screen in cx.displays() {
5036                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
5037                }
5038            }
5039            NotifyWhenAgentWaiting::Never => {
5040                // Don't show anything
5041            }
5042        }
5043    }
5044
5045    fn pop_up(
5046        &mut self,
5047        icon: IconName,
5048        caption: SharedString,
5049        title: SharedString,
5050        window: &mut Window,
5051        screen: Rc<dyn PlatformDisplay>,
5052        cx: &mut Context<Self>,
5053    ) {
5054        let options = AgentNotification::window_options(screen, cx);
5055
5056        let project_name = self.workspace.upgrade().and_then(|workspace| {
5057            workspace
5058                .read(cx)
5059                .project()
5060                .read(cx)
5061                .visible_worktrees(cx)
5062                .next()
5063                .map(|worktree| worktree.read(cx).root_name_str().to_string())
5064        });
5065
5066        if let Some(screen_window) = cx
5067            .open_window(options, |_window, cx| {
5068                cx.new(|_cx| {
5069                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
5070                })
5071            })
5072            .log_err()
5073            && let Some(pop_up) = screen_window.entity(cx).log_err()
5074        {
5075            self.notification_subscriptions
5076                .entry(screen_window)
5077                .or_insert_with(Vec::new)
5078                .push(cx.subscribe_in(&pop_up, window, {
5079                    |this, _, event, window, cx| match event {
5080                        AgentNotificationEvent::Accepted => {
5081                            let handle = window.window_handle();
5082                            cx.activate(true);
5083
5084                            let workspace_handle = this.workspace.clone();
5085
5086                            // If there are multiple Zed windows, activate the correct one.
5087                            cx.defer(move |cx| {
5088                                handle
5089                                    .update(cx, |_view, window, _cx| {
5090                                        window.activate_window();
5091
5092                                        if let Some(workspace) = workspace_handle.upgrade() {
5093                                            workspace.update(_cx, |workspace, cx| {
5094                                                workspace.focus_panel::<AgentPanel>(window, cx);
5095                                            });
5096                                        }
5097                                    })
5098                                    .log_err();
5099                            });
5100
5101                            this.dismiss_notifications(cx);
5102                        }
5103                        AgentNotificationEvent::Dismissed => {
5104                            this.dismiss_notifications(cx);
5105                        }
5106                    }
5107                }));
5108
5109            self.notifications.push(screen_window);
5110
5111            // If the user manually refocuses the original window, dismiss the popup.
5112            self.notification_subscriptions
5113                .entry(screen_window)
5114                .or_insert_with(Vec::new)
5115                .push({
5116                    let pop_up_weak = pop_up.downgrade();
5117
5118                    cx.observe_window_activation(window, move |_, window, cx| {
5119                        if window.is_window_active()
5120                            && let Some(pop_up) = pop_up_weak.upgrade()
5121                        {
5122                            pop_up.update(cx, |_, cx| {
5123                                cx.emit(AgentNotificationEvent::Dismissed);
5124                            });
5125                        }
5126                    })
5127                });
5128        }
5129    }
5130
5131    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
5132        for window in self.notifications.drain(..) {
5133            window
5134                .update(cx, |_, window, _| {
5135                    window.remove_window();
5136                })
5137                .ok();
5138
5139            self.notification_subscriptions.remove(&window);
5140        }
5141    }
5142
5143    fn render_generating(&self, confirmation: bool) -> impl IntoElement {
5144        h_flex()
5145            .id("generating-spinner")
5146            .py_2()
5147            .px(rems_from_px(22.))
5148            .map(|this| {
5149                if confirmation {
5150                    this.gap_2()
5151                        .child(
5152                            h_flex()
5153                                .w_2()
5154                                .child(SpinnerLabel::sand().size(LabelSize::Small)),
5155                        )
5156                        .child(
5157                            LoadingLabel::new("Waiting Confirmation")
5158                                .size(LabelSize::Small)
5159                                .color(Color::Muted),
5160                        )
5161                } else {
5162                    this.child(SpinnerLabel::new().size(LabelSize::Small))
5163                }
5164            })
5165            .into_any_element()
5166    }
5167
5168    fn render_thread_controls(
5169        &self,
5170        thread: &Entity<AcpThread>,
5171        cx: &Context<Self>,
5172    ) -> impl IntoElement {
5173        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
5174        if is_generating {
5175            return self.render_generating(false).into_any_element();
5176        }
5177
5178        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
5179            .shape(ui::IconButtonShape::Square)
5180            .icon_size(IconSize::Small)
5181            .icon_color(Color::Ignored)
5182            .tooltip(Tooltip::text("Open Thread as Markdown"))
5183            .on_click(cx.listener(move |this, _, window, cx| {
5184                if let Some(workspace) = this.workspace.upgrade() {
5185                    this.open_thread_as_markdown(workspace, window, cx)
5186                        .detach_and_log_err(cx);
5187                }
5188            }));
5189
5190        let scroll_to_recent_user_prompt =
5191            IconButton::new("scroll_to_recent_user_prompt", IconName::ForwardArrow)
5192                .shape(ui::IconButtonShape::Square)
5193                .icon_size(IconSize::Small)
5194                .icon_color(Color::Ignored)
5195                .tooltip(Tooltip::text("Scroll To Most Recent User Prompt"))
5196                .on_click(cx.listener(move |this, _, _, cx| {
5197                    this.scroll_to_most_recent_user_prompt(cx);
5198                }));
5199
5200        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
5201            .shape(ui::IconButtonShape::Square)
5202            .icon_size(IconSize::Small)
5203            .icon_color(Color::Ignored)
5204            .tooltip(Tooltip::text("Scroll To Top"))
5205            .on_click(cx.listener(move |this, _, _, cx| {
5206                this.scroll_to_top(cx);
5207            }));
5208
5209        let mut container = h_flex()
5210            .w_full()
5211            .py_2()
5212            .px_5()
5213            .gap_px()
5214            .opacity(0.6)
5215            .hover(|s| s.opacity(1.))
5216            .justify_end();
5217
5218        if AgentSettings::get_global(cx).enable_feedback
5219            && self
5220                .thread()
5221                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
5222        {
5223            let feedback = self.thread_feedback.feedback;
5224
5225            let tooltip_meta = || {
5226                SharedString::new(
5227                    "Rating the thread sends all of your current conversation to the Zed team.",
5228                )
5229            };
5230
5231            container = container
5232                .child(
5233                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
5234                        .shape(ui::IconButtonShape::Square)
5235                        .icon_size(IconSize::Small)
5236                        .icon_color(match feedback {
5237                            Some(ThreadFeedback::Positive) => Color::Accent,
5238                            _ => Color::Ignored,
5239                        })
5240                        .tooltip(move |window, cx| match feedback {
5241                            Some(ThreadFeedback::Positive) => {
5242                                Tooltip::text("Thanks for your feedback!")(window, cx)
5243                            }
5244                            _ => Tooltip::with_meta("Helpful Response", None, tooltip_meta(), cx),
5245                        })
5246                        .on_click(cx.listener(move |this, _, window, cx| {
5247                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
5248                        })),
5249                )
5250                .child(
5251                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
5252                        .shape(ui::IconButtonShape::Square)
5253                        .icon_size(IconSize::Small)
5254                        .icon_color(match feedback {
5255                            Some(ThreadFeedback::Negative) => Color::Accent,
5256                            _ => Color::Ignored,
5257                        })
5258                        .tooltip(move |window, cx| match feedback {
5259                            Some(ThreadFeedback::Negative) => {
5260                                Tooltip::text(
5261                                    "We appreciate your feedback and will use it to improve in the future.",
5262                                )(window, cx)
5263                            }
5264                            _ => {
5265                                Tooltip::with_meta("Not Helpful Response", None, tooltip_meta(), cx)
5266                            }
5267                        })
5268                        .on_click(cx.listener(move |this, _, window, cx| {
5269                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
5270                        })),
5271                );
5272        }
5273
5274        container
5275            .child(open_as_markdown)
5276            .child(scroll_to_recent_user_prompt)
5277            .child(scroll_to_top)
5278            .into_any_element()
5279    }
5280
5281    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
5282        h_flex()
5283            .key_context("AgentFeedbackMessageEditor")
5284            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
5285                this.thread_feedback.dismiss_comments();
5286                cx.notify();
5287            }))
5288            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
5289                this.submit_feedback_message(cx);
5290            }))
5291            .p_2()
5292            .mb_2()
5293            .mx_5()
5294            .gap_1()
5295            .rounded_md()
5296            .border_1()
5297            .border_color(cx.theme().colors().border)
5298            .bg(cx.theme().colors().editor_background)
5299            .child(div().w_full().child(editor))
5300            .child(
5301                h_flex()
5302                    .child(
5303                        IconButton::new("dismiss-feedback-message", IconName::Close)
5304                            .icon_color(Color::Error)
5305                            .icon_size(IconSize::XSmall)
5306                            .shape(ui::IconButtonShape::Square)
5307                            .on_click(cx.listener(move |this, _, _window, cx| {
5308                                this.thread_feedback.dismiss_comments();
5309                                cx.notify();
5310                            })),
5311                    )
5312                    .child(
5313                        IconButton::new("submit-feedback-message", IconName::Return)
5314                            .icon_size(IconSize::XSmall)
5315                            .shape(ui::IconButtonShape::Square)
5316                            .on_click(cx.listener(move |this, _, _window, cx| {
5317                                this.submit_feedback_message(cx);
5318                            })),
5319                    ),
5320            )
5321    }
5322
5323    fn handle_feedback_click(
5324        &mut self,
5325        feedback: ThreadFeedback,
5326        window: &mut Window,
5327        cx: &mut Context<Self>,
5328    ) {
5329        let Some(thread) = self.thread().cloned() else {
5330            return;
5331        };
5332
5333        self.thread_feedback.submit(thread, feedback, window, cx);
5334        cx.notify();
5335    }
5336
5337    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
5338        let Some(thread) = self.thread().cloned() else {
5339            return;
5340        };
5341
5342        self.thread_feedback.submit_comments(thread, cx);
5343        cx.notify();
5344    }
5345
5346    fn render_token_limit_callout(
5347        &self,
5348        line_height: Pixels,
5349        cx: &mut Context<Self>,
5350    ) -> Option<Callout> {
5351        let token_usage = self.thread()?.read(cx).token_usage()?;
5352        let ratio = token_usage.ratio();
5353
5354        let (severity, title) = match ratio {
5355            acp_thread::TokenUsageRatio::Normal => return None,
5356            acp_thread::TokenUsageRatio::Warning => {
5357                (Severity::Warning, "Thread reaching the token limit soon")
5358            }
5359            acp_thread::TokenUsageRatio::Exceeded => {
5360                (Severity::Error, "Thread reached the token limit")
5361            }
5362        };
5363
5364        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
5365            thread.read(cx).completion_mode() == CompletionMode::Normal
5366                && thread
5367                    .read(cx)
5368                    .model()
5369                    .is_some_and(|model| model.supports_burn_mode())
5370        });
5371
5372        let description = if burn_mode_available {
5373            "To continue, start a new thread from a summary or turn Burn Mode on."
5374        } else {
5375            "To continue, start a new thread from a summary."
5376        };
5377
5378        Some(
5379            Callout::new()
5380                .severity(severity)
5381                .line_height(line_height)
5382                .title(title)
5383                .description(description)
5384                .actions_slot(
5385                    h_flex()
5386                        .gap_0p5()
5387                        .child(
5388                            Button::new("start-new-thread", "Start New Thread")
5389                                .label_size(LabelSize::Small)
5390                                .on_click(cx.listener(|this, _, window, cx| {
5391                                    let Some(thread) = this.thread() else {
5392                                        return;
5393                                    };
5394                                    let session_id = thread.read(cx).session_id().clone();
5395                                    window.dispatch_action(
5396                                        crate::NewNativeAgentThreadFromSummary {
5397                                            from_session_id: session_id,
5398                                        }
5399                                        .boxed_clone(),
5400                                        cx,
5401                                    );
5402                                })),
5403                        )
5404                        .when(burn_mode_available, |this| {
5405                            this.child(
5406                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
5407                                    .icon_size(IconSize::XSmall)
5408                                    .on_click(cx.listener(|this, _event, window, cx| {
5409                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5410                                    })),
5411                            )
5412                        }),
5413                ),
5414        )
5415    }
5416
5417    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
5418        if !self.is_using_zed_ai_models(cx) {
5419            return None;
5420        }
5421
5422        let user_store = self.project.read(cx).user_store().read(cx);
5423        if user_store.is_usage_based_billing_enabled() {
5424            return None;
5425        }
5426
5427        let plan = user_store
5428            .plan()
5429            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
5430
5431        let usage = user_store.model_request_usage()?;
5432
5433        Some(
5434            div()
5435                .child(UsageCallout::new(plan, usage))
5436                .line_height(line_height),
5437        )
5438    }
5439
5440    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
5441        self.entry_view_state.update(cx, |entry_view_state, cx| {
5442            entry_view_state.agent_ui_font_size_changed(cx);
5443        });
5444    }
5445
5446    pub(crate) fn insert_dragged_files(
5447        &self,
5448        paths: Vec<project::ProjectPath>,
5449        added_worktrees: Vec<Entity<project::Worktree>>,
5450        window: &mut Window,
5451        cx: &mut Context<Self>,
5452    ) {
5453        self.message_editor.update(cx, |message_editor, cx| {
5454            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5455        })
5456    }
5457
5458    /// Inserts the selected text into the message editor or the message being
5459    /// edited, if any.
5460    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5461        self.active_editor(cx).update(cx, |editor, cx| {
5462            editor.insert_selections(window, cx);
5463        });
5464    }
5465
5466    fn render_thread_retry_status_callout(
5467        &self,
5468        _window: &mut Window,
5469        _cx: &mut Context<Self>,
5470    ) -> Option<Callout> {
5471        let state = self.thread_retry_status.as_ref()?;
5472
5473        let next_attempt_in = state
5474            .duration
5475            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5476        if next_attempt_in.is_zero() {
5477            return None;
5478        }
5479
5480        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5481
5482        let retry_message = if state.max_attempts == 1 {
5483            if next_attempt_in_secs == 1 {
5484                "Retrying. Next attempt in 1 second.".to_string()
5485            } else {
5486                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5487            }
5488        } else if next_attempt_in_secs == 1 {
5489            format!(
5490                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5491                state.attempt, state.max_attempts,
5492            )
5493        } else {
5494            format!(
5495                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5496                state.attempt, state.max_attempts,
5497            )
5498        };
5499
5500        Some(
5501            Callout::new()
5502                .severity(Severity::Warning)
5503                .title(state.last_error.clone())
5504                .description(retry_message),
5505        )
5506    }
5507
5508    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Callout {
5509        Callout::new()
5510            .icon(IconName::Warning)
5511            .severity(Severity::Warning)
5512            .title("Codex on Windows")
5513            .description("For best performance, run Codex in Windows Subsystem for Linux (WSL2)")
5514            .actions_slot(
5515                Button::new("open-wsl-modal", "Open in WSL")
5516                    .icon_size(IconSize::Small)
5517                    .icon_color(Color::Muted)
5518                    .on_click(cx.listener({
5519                        move |_, _, _window, cx| {
5520                            #[cfg(windows)]
5521                            _window.dispatch_action(
5522                                zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5523                                cx,
5524                            );
5525                            cx.notify();
5526                        }
5527                    })),
5528            )
5529            .dismiss_action(
5530                IconButton::new("dismiss", IconName::Close)
5531                    .icon_size(IconSize::Small)
5532                    .icon_color(Color::Muted)
5533                    .tooltip(Tooltip::text("Dismiss Warning"))
5534                    .on_click(cx.listener({
5535                        move |this, _, _, cx| {
5536                            this.show_codex_windows_warning = false;
5537                            cx.notify();
5538                        }
5539                    })),
5540            )
5541    }
5542
5543    fn render_thread_error(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
5544        let content = match self.thread_error.as_ref()? {
5545            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), window, cx),
5546            ThreadError::Refusal => self.render_refusal_error(cx),
5547            ThreadError::AuthenticationRequired(error) => {
5548                self.render_authentication_required_error(error.clone(), cx)
5549            }
5550            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5551            ThreadError::ModelRequestLimitReached(plan) => {
5552                self.render_model_request_limit_reached_error(*plan, cx)
5553            }
5554            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5555        };
5556
5557        Some(div().child(content))
5558    }
5559
5560    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5561        v_flex().w_full().justify_end().child(
5562            h_flex()
5563                .p_2()
5564                .pr_3()
5565                .w_full()
5566                .gap_1p5()
5567                .border_t_1()
5568                .border_color(cx.theme().colors().border)
5569                .bg(cx.theme().colors().element_background)
5570                .child(
5571                    h_flex()
5572                        .flex_1()
5573                        .gap_1p5()
5574                        .child(
5575                            Icon::new(IconName::Download)
5576                                .color(Color::Accent)
5577                                .size(IconSize::Small),
5578                        )
5579                        .child(Label::new("New version available").size(LabelSize::Small)),
5580                )
5581                .child(
5582                    Button::new("update-button", format!("Update to v{}", version))
5583                        .label_size(LabelSize::Small)
5584                        .style(ButtonStyle::Tinted(TintColor::Accent))
5585                        .on_click(cx.listener(|this, _, window, cx| {
5586                            this.reset(window, cx);
5587                        })),
5588                ),
5589        )
5590    }
5591
5592    fn current_mode_id(&self, cx: &App) -> Option<Arc<str>> {
5593        if let Some(thread) = self.as_native_thread(cx) {
5594            Some(thread.read(cx).profile().0.clone())
5595        } else if let Some(mode_selector) = self.mode_selector() {
5596            Some(mode_selector.read(cx).mode().0)
5597        } else {
5598            None
5599        }
5600    }
5601
5602    fn current_model_id(&self, cx: &App) -> Option<String> {
5603        self.model_selector
5604            .as_ref()
5605            .and_then(|selector| selector.read(cx).active_model(cx).map(|m| m.id.to_string()))
5606    }
5607
5608    fn current_model_name(&self, cx: &App) -> SharedString {
5609        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5610        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5611        // This provides better clarity about what refused the request
5612        if self.as_native_connection(cx).is_some() {
5613            self.model_selector
5614                .as_ref()
5615                .and_then(|selector| selector.read(cx).active_model(cx))
5616                .map(|model| model.name.clone())
5617                .unwrap_or_else(|| SharedString::from("The model"))
5618        } else {
5619            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5620            self.agent.name()
5621        }
5622    }
5623
5624    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5625        let model_or_agent_name = self.current_model_name(cx);
5626        let refusal_message = format!(
5627            "{} 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.",
5628            model_or_agent_name
5629        );
5630
5631        Callout::new()
5632            .severity(Severity::Error)
5633            .title("Request Refused")
5634            .icon(IconName::XCircle)
5635            .description(refusal_message.clone())
5636            .actions_slot(self.create_copy_button(&refusal_message))
5637            .dismiss_action(self.dismiss_error_button(cx))
5638    }
5639
5640    fn render_any_thread_error(
5641        &mut self,
5642        error: SharedString,
5643        window: &mut Window,
5644        cx: &mut Context<'_, Self>,
5645    ) -> Callout {
5646        let can_resume = self
5647            .thread()
5648            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5649
5650        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5651            let thread = thread.read(cx);
5652            let supports_burn_mode = thread
5653                .model()
5654                .map_or(false, |model| model.supports_burn_mode());
5655            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5656        });
5657
5658        let markdown = if let Some(markdown) = &self.thread_error_markdown {
5659            markdown.clone()
5660        } else {
5661            let markdown = cx.new(|cx| Markdown::new(error.clone(), None, None, cx));
5662            self.thread_error_markdown = Some(markdown.clone());
5663            markdown
5664        };
5665
5666        let markdown_style = default_markdown_style(false, true, window, cx);
5667        let description = self
5668            .render_markdown(markdown, markdown_style)
5669            .into_any_element();
5670
5671        Callout::new()
5672            .severity(Severity::Error)
5673            .icon(IconName::XCircle)
5674            .title("An Error Happened")
5675            .description_slot(description)
5676            .actions_slot(
5677                h_flex()
5678                    .gap_0p5()
5679                    .when(can_resume && can_enable_burn_mode, |this| {
5680                        this.child(
5681                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5682                                .icon(IconName::ZedBurnMode)
5683                                .icon_position(IconPosition::Start)
5684                                .icon_size(IconSize::Small)
5685                                .label_size(LabelSize::Small)
5686                                .on_click(cx.listener(|this, _, window, cx| {
5687                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5688                                    this.resume_chat(cx);
5689                                })),
5690                        )
5691                    })
5692                    .when(can_resume, |this| {
5693                        this.child(
5694                            IconButton::new("retry", IconName::RotateCw)
5695                                .icon_size(IconSize::Small)
5696                                .tooltip(Tooltip::text("Retry Generation"))
5697                                .on_click(cx.listener(|this, _, _window, cx| {
5698                                    this.resume_chat(cx);
5699                                })),
5700                        )
5701                    })
5702                    .child(self.create_copy_button(error.to_string())),
5703            )
5704            .dismiss_action(self.dismiss_error_button(cx))
5705    }
5706
5707    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5708        const ERROR_MESSAGE: &str =
5709            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5710
5711        Callout::new()
5712            .severity(Severity::Error)
5713            .icon(IconName::XCircle)
5714            .title("Free Usage Exceeded")
5715            .description(ERROR_MESSAGE)
5716            .actions_slot(
5717                h_flex()
5718                    .gap_0p5()
5719                    .child(self.upgrade_button(cx))
5720                    .child(self.create_copy_button(ERROR_MESSAGE)),
5721            )
5722            .dismiss_action(self.dismiss_error_button(cx))
5723    }
5724
5725    fn render_authentication_required_error(
5726        &self,
5727        error: SharedString,
5728        cx: &mut Context<Self>,
5729    ) -> Callout {
5730        Callout::new()
5731            .severity(Severity::Error)
5732            .title("Authentication Required")
5733            .icon(IconName::XCircle)
5734            .description(error.clone())
5735            .actions_slot(
5736                h_flex()
5737                    .gap_0p5()
5738                    .child(self.authenticate_button(cx))
5739                    .child(self.create_copy_button(error)),
5740            )
5741            .dismiss_action(self.dismiss_error_button(cx))
5742    }
5743
5744    fn render_model_request_limit_reached_error(
5745        &self,
5746        plan: cloud_llm_client::Plan,
5747        cx: &mut Context<Self>,
5748    ) -> Callout {
5749        let error_message = match plan {
5750            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5751                "Upgrade to usage-based billing for more prompts."
5752            }
5753            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5754            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5755            cloud_llm_client::Plan::V2(_) => "",
5756        };
5757
5758        Callout::new()
5759            .severity(Severity::Error)
5760            .title("Model Prompt Limit Reached")
5761            .icon(IconName::XCircle)
5762            .description(error_message)
5763            .actions_slot(
5764                h_flex()
5765                    .gap_0p5()
5766                    .child(self.upgrade_button(cx))
5767                    .child(self.create_copy_button(error_message)),
5768            )
5769            .dismiss_action(self.dismiss_error_button(cx))
5770    }
5771
5772    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5773        let thread = self.as_native_thread(cx)?;
5774        let supports_burn_mode = thread
5775            .read(cx)
5776            .model()
5777            .is_some_and(|model| model.supports_burn_mode());
5778
5779        let focus_handle = self.focus_handle(cx);
5780
5781        Some(
5782            Callout::new()
5783                .icon(IconName::Info)
5784                .title("Consecutive tool use limit reached.")
5785                .actions_slot(
5786                    h_flex()
5787                        .gap_0p5()
5788                        .when(supports_burn_mode, |this| {
5789                            this.child(
5790                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5791                                    .style(ButtonStyle::Filled)
5792                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5793                                    .layer(ElevationIndex::ModalSurface)
5794                                    .label_size(LabelSize::Small)
5795                                    .key_binding(
5796                                        KeyBinding::for_action_in(
5797                                            &ContinueWithBurnMode,
5798                                            &focus_handle,
5799                                            cx,
5800                                        )
5801                                        .map(|kb| kb.size(rems_from_px(10.))),
5802                                    )
5803                                    .tooltip(Tooltip::text(
5804                                        "Enable Burn Mode for unlimited tool use.",
5805                                    ))
5806                                    .on_click({
5807                                        cx.listener(move |this, _, _window, cx| {
5808                                            thread.update(cx, |thread, cx| {
5809                                                thread
5810                                                    .set_completion_mode(CompletionMode::Burn, cx);
5811                                            });
5812                                            this.resume_chat(cx);
5813                                        })
5814                                    }),
5815                            )
5816                        })
5817                        .child(
5818                            Button::new("continue-conversation", "Continue")
5819                                .layer(ElevationIndex::ModalSurface)
5820                                .label_size(LabelSize::Small)
5821                                .key_binding(
5822                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5823                                        .map(|kb| kb.size(rems_from_px(10.))),
5824                                )
5825                                .on_click(cx.listener(|this, _, _window, cx| {
5826                                    this.resume_chat(cx);
5827                                })),
5828                        ),
5829                ),
5830        )
5831    }
5832
5833    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5834        let message = message.into();
5835
5836        IconButton::new("copy", IconName::Copy)
5837            .icon_size(IconSize::Small)
5838            .tooltip(Tooltip::text("Copy Error Message"))
5839            .on_click(move |_, _, cx| {
5840                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5841            })
5842    }
5843
5844    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5845        IconButton::new("dismiss", IconName::Close)
5846            .icon_size(IconSize::Small)
5847            .tooltip(Tooltip::text("Dismiss Error"))
5848            .on_click(cx.listener({
5849                move |this, _, _, cx| {
5850                    this.clear_thread_error(cx);
5851                    cx.notify();
5852                }
5853            }))
5854    }
5855
5856    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5857        Button::new("authenticate", "Authenticate")
5858            .label_size(LabelSize::Small)
5859            .style(ButtonStyle::Filled)
5860            .on_click(cx.listener({
5861                move |this, _, window, cx| {
5862                    let agent = this.agent.clone();
5863                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5864                        return;
5865                    };
5866
5867                    let connection = thread.read(cx).connection().clone();
5868                    let err = AuthRequired {
5869                        description: None,
5870                        provider_id: None,
5871                    };
5872                    this.clear_thread_error(cx);
5873                    if let Some(message) = this.in_flight_prompt.take() {
5874                        this.message_editor.update(cx, |editor, cx| {
5875                            editor.set_message(message, window, cx);
5876                        });
5877                    }
5878                    let this = cx.weak_entity();
5879                    window.defer(cx, |window, cx| {
5880                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5881                    })
5882                }
5883            }))
5884    }
5885
5886    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5887        let agent = self.agent.clone();
5888        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5889            return;
5890        };
5891
5892        let connection = thread.read(cx).connection().clone();
5893        let err = AuthRequired {
5894            description: None,
5895            provider_id: None,
5896        };
5897        self.clear_thread_error(cx);
5898        let this = cx.weak_entity();
5899        window.defer(cx, |window, cx| {
5900            Self::handle_auth_required(this, err, agent, connection, window, cx);
5901        })
5902    }
5903
5904    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5905        Button::new("upgrade", "Upgrade")
5906            .label_size(LabelSize::Small)
5907            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5908            .on_click(cx.listener({
5909                move |this, _, _, cx| {
5910                    this.clear_thread_error(cx);
5911                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5912                }
5913            }))
5914    }
5915
5916    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5917        let task = match entry {
5918            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5919                history.delete_thread(thread.id.clone(), cx)
5920            }),
5921            HistoryEntry::TextThread(text_thread) => {
5922                self.history_store.update(cx, |history, cx| {
5923                    history.delete_text_thread(text_thread.path.clone(), cx)
5924                })
5925            }
5926        };
5927        task.detach_and_log_err(cx);
5928    }
5929
5930    /// Returns the currently active editor, either for a message that is being
5931    /// edited or the editor for a new message.
5932    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5933        if let Some(index) = self.editing_message
5934            && let Some(editor) = self
5935                .entry_view_state
5936                .read(cx)
5937                .entry(index)
5938                .and_then(|e| e.message_editor())
5939                .cloned()
5940        {
5941            editor
5942        } else {
5943            self.message_editor.clone()
5944        }
5945    }
5946}
5947
5948fn loading_contents_spinner(size: IconSize) -> AnyElement {
5949    Icon::new(IconName::LoadCircle)
5950        .size(size)
5951        .color(Color::Accent)
5952        .with_rotate_animation(3)
5953        .into_any_element()
5954}
5955
5956fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
5957    if agent_name == "Zed Agent" {
5958        format!("Message the {} — @ to include context", agent_name)
5959    } else if has_commands {
5960        format!(
5961            "Message {} — @ to include context, / for commands",
5962            agent_name
5963        )
5964    } else {
5965        format!("Message {} — @ to include context", agent_name)
5966    }
5967}
5968
5969impl Focusable for AcpThreadView {
5970    fn focus_handle(&self, cx: &App) -> FocusHandle {
5971        match self.thread_state {
5972            ThreadState::Ready { .. } => self.active_editor(cx).focus_handle(cx),
5973            ThreadState::Loading { .. }
5974            | ThreadState::LoadError(_)
5975            | ThreadState::Unauthenticated { .. } => self.focus_handle.clone(),
5976        }
5977    }
5978}
5979
5980impl Render for AcpThreadView {
5981    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5982        let has_messages = self.list_state.item_count() > 0;
5983        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5984
5985        v_flex()
5986            .size_full()
5987            .key_context("AcpThread")
5988            .on_action(cx.listener(Self::toggle_burn_mode))
5989            .on_action(cx.listener(Self::keep_all))
5990            .on_action(cx.listener(Self::reject_all))
5991            .on_action(cx.listener(Self::allow_always))
5992            .on_action(cx.listener(Self::allow_once))
5993            .on_action(cx.listener(Self::reject_once))
5994            .track_focus(&self.focus_handle)
5995            .bg(cx.theme().colors().panel_background)
5996            .child(match &self.thread_state {
5997                ThreadState::Unauthenticated {
5998                    connection,
5999                    description,
6000                    configuration_view,
6001                    pending_auth_method,
6002                    ..
6003                } => self
6004                    .render_auth_required_state(
6005                        connection,
6006                        description.as_ref(),
6007                        configuration_view.as_ref(),
6008                        pending_auth_method.as_ref(),
6009                        window,
6010                        cx,
6011                    )
6012                    .into_any(),
6013                ThreadState::Loading { .. } => v_flex()
6014                    .flex_1()
6015                    .child(self.render_recent_history(cx))
6016                    .into_any(),
6017                ThreadState::LoadError(e) => v_flex()
6018                    .flex_1()
6019                    .size_full()
6020                    .items_center()
6021                    .justify_end()
6022                    .child(self.render_load_error(e, window, cx))
6023                    .into_any(),
6024                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
6025                    if has_messages {
6026                        this.child(
6027                            list(
6028                                self.list_state.clone(),
6029                                cx.processor(|this, index: usize, window, cx| {
6030                                    let Some((entry, len)) = this.thread().and_then(|thread| {
6031                                        let entries = &thread.read(cx).entries();
6032                                        Some((entries.get(index)?, entries.len()))
6033                                    }) else {
6034                                        return Empty.into_any();
6035                                    };
6036                                    this.render_entry(index, len, entry, window, cx)
6037                                }),
6038                            )
6039                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
6040                            .flex_grow()
6041                            .into_any(),
6042                        )
6043                        .vertical_scrollbar_for(&self.list_state, window, cx)
6044                        .into_any()
6045                    } else {
6046                        this.child(self.render_recent_history(cx)).into_any()
6047                    }
6048                }),
6049            })
6050            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
6051            // above so that the scrollbar doesn't render behind it. The current setup allows
6052            // the scrollbar to stop exactly at the activity bar start.
6053            .when(has_messages, |this| match &self.thread_state {
6054                ThreadState::Ready { thread, .. } => {
6055                    this.children(self.render_activity_bar(thread, window, cx))
6056                }
6057                _ => this,
6058            })
6059            .children(self.render_thread_retry_status_callout(window, cx))
6060            .when(self.show_codex_windows_warning, |this| {
6061                this.child(self.render_codex_windows_warning(cx))
6062            })
6063            .children(self.render_thread_error(window, cx))
6064            .when_some(
6065                self.new_server_version_available.as_ref().filter(|_| {
6066                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
6067                }),
6068                |this, version| this.child(self.render_new_version_callout(&version, cx)),
6069            )
6070            .children(
6071                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
6072                    Some(usage_callout.into_any_element())
6073                } else {
6074                    self.render_token_limit_callout(line_height, cx)
6075                        .map(|token_limit_callout| token_limit_callout.into_any_element())
6076                },
6077            )
6078            .child(self.render_message_editor(window, cx))
6079    }
6080}
6081
6082fn default_markdown_style(
6083    buffer_font: bool,
6084    muted_text: bool,
6085    window: &Window,
6086    cx: &App,
6087) -> MarkdownStyle {
6088    let theme_settings = ThemeSettings::get_global(cx);
6089    let colors = cx.theme().colors();
6090
6091    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
6092
6093    let mut text_style = window.text_style();
6094    let line_height = buffer_font_size * 1.75;
6095
6096    let font_family = if buffer_font {
6097        theme_settings.buffer_font.family.clone()
6098    } else {
6099        theme_settings.ui_font.family.clone()
6100    };
6101
6102    let font_size = if buffer_font {
6103        theme_settings.agent_buffer_font_size(cx)
6104    } else {
6105        theme_settings.agent_ui_font_size(cx)
6106    };
6107
6108    let text_color = if muted_text {
6109        colors.text_muted
6110    } else {
6111        colors.text
6112    };
6113
6114    text_style.refine(&TextStyleRefinement {
6115        font_family: Some(font_family),
6116        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
6117        font_features: Some(theme_settings.ui_font.features.clone()),
6118        font_size: Some(font_size.into()),
6119        line_height: Some(line_height.into()),
6120        color: Some(text_color),
6121        ..Default::default()
6122    });
6123
6124    MarkdownStyle {
6125        base_text_style: text_style.clone(),
6126        syntax: cx.theme().syntax().clone(),
6127        selection_background_color: colors.element_selection_background,
6128        code_block_overflow_x_scroll: true,
6129        heading_level_styles: Some(HeadingLevelStyles {
6130            h1: Some(TextStyleRefinement {
6131                font_size: Some(rems(1.15).into()),
6132                ..Default::default()
6133            }),
6134            h2: Some(TextStyleRefinement {
6135                font_size: Some(rems(1.1).into()),
6136                ..Default::default()
6137            }),
6138            h3: Some(TextStyleRefinement {
6139                font_size: Some(rems(1.05).into()),
6140                ..Default::default()
6141            }),
6142            h4: Some(TextStyleRefinement {
6143                font_size: Some(rems(1.).into()),
6144                ..Default::default()
6145            }),
6146            h5: Some(TextStyleRefinement {
6147                font_size: Some(rems(0.95).into()),
6148                ..Default::default()
6149            }),
6150            h6: Some(TextStyleRefinement {
6151                font_size: Some(rems(0.875).into()),
6152                ..Default::default()
6153            }),
6154        }),
6155        code_block: StyleRefinement {
6156            padding: EdgesRefinement {
6157                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6158                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6159                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6160                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6161            },
6162            margin: EdgesRefinement {
6163                top: Some(Length::Definite(px(8.).into())),
6164                left: Some(Length::Definite(px(0.).into())),
6165                right: Some(Length::Definite(px(0.).into())),
6166                bottom: Some(Length::Definite(px(12.).into())),
6167            },
6168            border_style: Some(BorderStyle::Solid),
6169            border_widths: EdgesRefinement {
6170                top: Some(AbsoluteLength::Pixels(px(1.))),
6171                left: Some(AbsoluteLength::Pixels(px(1.))),
6172                right: Some(AbsoluteLength::Pixels(px(1.))),
6173                bottom: Some(AbsoluteLength::Pixels(px(1.))),
6174            },
6175            border_color: Some(colors.border_variant),
6176            background: Some(colors.editor_background.into()),
6177            text: TextStyleRefinement {
6178                font_family: Some(theme_settings.buffer_font.family.clone()),
6179                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6180                font_features: Some(theme_settings.buffer_font.features.clone()),
6181                font_size: Some(buffer_font_size.into()),
6182                ..Default::default()
6183            },
6184            ..Default::default()
6185        },
6186        inline_code: TextStyleRefinement {
6187            font_family: Some(theme_settings.buffer_font.family.clone()),
6188            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6189            font_features: Some(theme_settings.buffer_font.features.clone()),
6190            font_size: Some(buffer_font_size.into()),
6191            background_color: Some(colors.editor_foreground.opacity(0.08)),
6192            ..Default::default()
6193        },
6194        link: TextStyleRefinement {
6195            background_color: Some(colors.editor_foreground.opacity(0.025)),
6196            color: Some(colors.text_accent),
6197            underline: Some(UnderlineStyle {
6198                color: Some(colors.text_accent.opacity(0.5)),
6199                thickness: px(1.),
6200                ..Default::default()
6201            }),
6202            ..Default::default()
6203        },
6204        ..Default::default()
6205    }
6206}
6207
6208fn plan_label_markdown_style(
6209    status: &acp::PlanEntryStatus,
6210    window: &Window,
6211    cx: &App,
6212) -> MarkdownStyle {
6213    let default_md_style = default_markdown_style(false, false, window, cx);
6214
6215    MarkdownStyle {
6216        base_text_style: TextStyle {
6217            color: cx.theme().colors().text_muted,
6218            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
6219                Some(gpui::StrikethroughStyle {
6220                    thickness: px(1.),
6221                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
6222                })
6223            } else {
6224                None
6225            },
6226            ..default_md_style.base_text_style
6227        },
6228        ..default_md_style
6229    }
6230}
6231
6232fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
6233    let default_md_style = default_markdown_style(true, false, window, cx);
6234
6235    MarkdownStyle {
6236        base_text_style: TextStyle {
6237            ..default_md_style.base_text_style
6238        },
6239        selection_background_color: cx.theme().colors().element_selection_background,
6240        ..Default::default()
6241    }
6242}
6243
6244#[cfg(test)]
6245pub(crate) mod tests {
6246    use acp_thread::StubAgentConnection;
6247    use agent_client_protocol::SessionId;
6248    use assistant_text_thread::TextThreadStore;
6249    use editor::MultiBufferOffset;
6250    use fs::FakeFs;
6251    use gpui::{EventEmitter, TestAppContext, VisualTestContext};
6252    use project::Project;
6253    use serde_json::json;
6254    use settings::SettingsStore;
6255    use std::any::Any;
6256    use std::path::Path;
6257    use workspace::Item;
6258
6259    use super::*;
6260
6261    #[gpui::test]
6262    async fn test_drop(cx: &mut TestAppContext) {
6263        init_test(cx);
6264
6265        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6266        let weak_view = thread_view.downgrade();
6267        drop(thread_view);
6268        assert!(!weak_view.is_upgradable());
6269    }
6270
6271    #[gpui::test]
6272    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
6273        init_test(cx);
6274
6275        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6276
6277        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6278        message_editor.update_in(cx, |editor, window, cx| {
6279            editor.set_text("Hello", window, cx);
6280        });
6281
6282        cx.deactivate_window();
6283
6284        thread_view.update_in(cx, |thread_view, window, cx| {
6285            thread_view.send(window, cx);
6286        });
6287
6288        cx.run_until_parked();
6289
6290        assert!(
6291            cx.windows()
6292                .iter()
6293                .any(|window| window.downcast::<AgentNotification>().is_some())
6294        );
6295    }
6296
6297    #[gpui::test]
6298    async fn test_notification_for_error(cx: &mut TestAppContext) {
6299        init_test(cx);
6300
6301        let (thread_view, cx) =
6302            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
6303
6304        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6305        message_editor.update_in(cx, |editor, window, cx| {
6306            editor.set_text("Hello", window, cx);
6307        });
6308
6309        cx.deactivate_window();
6310
6311        thread_view.update_in(cx, |thread_view, window, cx| {
6312            thread_view.send(window, cx);
6313        });
6314
6315        cx.run_until_parked();
6316
6317        assert!(
6318            cx.windows()
6319                .iter()
6320                .any(|window| window.downcast::<AgentNotification>().is_some())
6321        );
6322    }
6323
6324    #[gpui::test]
6325    async fn test_refusal_handling(cx: &mut TestAppContext) {
6326        init_test(cx);
6327
6328        let (thread_view, cx) =
6329            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
6330
6331        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6332        message_editor.update_in(cx, |editor, window, cx| {
6333            editor.set_text("Do something harmful", window, cx);
6334        });
6335
6336        thread_view.update_in(cx, |thread_view, window, cx| {
6337            thread_view.send(window, cx);
6338        });
6339
6340        cx.run_until_parked();
6341
6342        // Check that the refusal error is set
6343        thread_view.read_with(cx, |thread_view, _cx| {
6344            assert!(
6345                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
6346                "Expected refusal error to be set"
6347            );
6348        });
6349    }
6350
6351    #[gpui::test]
6352    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
6353        init_test(cx);
6354
6355        let tool_call_id = acp::ToolCallId::new("1");
6356        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
6357            .kind(acp::ToolKind::Edit)
6358            .content(vec!["hi".into()]);
6359        let connection =
6360            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6361                tool_call_id,
6362                vec![acp::PermissionOption::new(
6363                    "1",
6364                    "Allow",
6365                    acp::PermissionOptionKind::AllowOnce,
6366                )],
6367            )]));
6368
6369        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6370
6371        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6372
6373        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6374        message_editor.update_in(cx, |editor, window, cx| {
6375            editor.set_text("Hello", window, cx);
6376        });
6377
6378        cx.deactivate_window();
6379
6380        thread_view.update_in(cx, |thread_view, window, cx| {
6381            thread_view.send(window, cx);
6382        });
6383
6384        cx.run_until_parked();
6385
6386        assert!(
6387            cx.windows()
6388                .iter()
6389                .any(|window| window.downcast::<AgentNotification>().is_some())
6390        );
6391    }
6392
6393    #[gpui::test]
6394    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
6395        init_test(cx);
6396
6397        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6398
6399        add_to_workspace(thread_view.clone(), cx);
6400
6401        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6402
6403        message_editor.update_in(cx, |editor, window, cx| {
6404            editor.set_text("Hello", window, cx);
6405        });
6406
6407        // Window is active (don't deactivate), but panel will be hidden
6408        // Note: In the test environment, the panel is not actually added to the dock,
6409        // so is_agent_panel_hidden will return true
6410
6411        thread_view.update_in(cx, |thread_view, window, cx| {
6412            thread_view.send(window, cx);
6413        });
6414
6415        cx.run_until_parked();
6416
6417        // Should show notification because window is active but panel is hidden
6418        assert!(
6419            cx.windows()
6420                .iter()
6421                .any(|window| window.downcast::<AgentNotification>().is_some()),
6422            "Expected notification when panel is hidden"
6423        );
6424    }
6425
6426    #[gpui::test]
6427    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
6428        init_test(cx);
6429
6430        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6431
6432        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6433        message_editor.update_in(cx, |editor, window, cx| {
6434            editor.set_text("Hello", window, cx);
6435        });
6436
6437        // Deactivate window - should show notification regardless of setting
6438        cx.deactivate_window();
6439
6440        thread_view.update_in(cx, |thread_view, window, cx| {
6441            thread_view.send(window, cx);
6442        });
6443
6444        cx.run_until_parked();
6445
6446        // Should still show notification when window is inactive (existing behavior)
6447        assert!(
6448            cx.windows()
6449                .iter()
6450                .any(|window| window.downcast::<AgentNotification>().is_some()),
6451            "Expected notification when window is inactive"
6452        );
6453    }
6454
6455    #[gpui::test]
6456    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
6457        init_test(cx);
6458
6459        // Set notify_when_agent_waiting to Never
6460        cx.update(|cx| {
6461            AgentSettings::override_global(
6462                AgentSettings {
6463                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6464                    ..AgentSettings::get_global(cx).clone()
6465                },
6466                cx,
6467            );
6468        });
6469
6470        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6471
6472        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6473        message_editor.update_in(cx, |editor, window, cx| {
6474            editor.set_text("Hello", window, cx);
6475        });
6476
6477        // Window is active
6478
6479        thread_view.update_in(cx, |thread_view, window, cx| {
6480            thread_view.send(window, cx);
6481        });
6482
6483        cx.run_until_parked();
6484
6485        // Should NOT show notification because notify_when_agent_waiting is Never
6486        assert!(
6487            !cx.windows()
6488                .iter()
6489                .any(|window| window.downcast::<AgentNotification>().is_some()),
6490            "Expected no notification when notify_when_agent_waiting is Never"
6491        );
6492    }
6493
6494    #[gpui::test]
6495    async fn test_notification_closed_when_thread_view_dropped(cx: &mut TestAppContext) {
6496        init_test(cx);
6497
6498        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6499
6500        let weak_view = thread_view.downgrade();
6501
6502        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6503        message_editor.update_in(cx, |editor, window, cx| {
6504            editor.set_text("Hello", window, cx);
6505        });
6506
6507        cx.deactivate_window();
6508
6509        thread_view.update_in(cx, |thread_view, window, cx| {
6510            thread_view.send(window, cx);
6511        });
6512
6513        cx.run_until_parked();
6514
6515        // Verify notification is shown
6516        assert!(
6517            cx.windows()
6518                .iter()
6519                .any(|window| window.downcast::<AgentNotification>().is_some()),
6520            "Expected notification to be shown"
6521        );
6522
6523        // Drop the thread view (simulating navigation to a new thread)
6524        drop(thread_view);
6525        drop(message_editor);
6526        // Trigger an update to flush effects, which will call release_dropped_entities
6527        cx.update(|_window, _cx| {});
6528        cx.run_until_parked();
6529
6530        // Verify the entity was actually released
6531        assert!(
6532            !weak_view.is_upgradable(),
6533            "Thread view entity should be released after dropping"
6534        );
6535
6536        // The notification should be automatically closed via on_release
6537        assert!(
6538            !cx.windows()
6539                .iter()
6540                .any(|window| window.downcast::<AgentNotification>().is_some()),
6541            "Notification should be closed when thread view is dropped"
6542        );
6543    }
6544
6545    async fn setup_thread_view(
6546        agent: impl AgentServer + 'static,
6547        cx: &mut TestAppContext,
6548    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
6549        let fs = FakeFs::new(cx.executor());
6550        let project = Project::test(fs, [], cx).await;
6551        let (workspace, cx) =
6552            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6553
6554        let text_thread_store =
6555            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6556        let history_store =
6557            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6558
6559        let thread_view = cx.update(|window, cx| {
6560            cx.new(|cx| {
6561                AcpThreadView::new(
6562                    Rc::new(agent),
6563                    None,
6564                    None,
6565                    workspace.downgrade(),
6566                    project,
6567                    history_store,
6568                    None,
6569                    false,
6570                    window,
6571                    cx,
6572                )
6573            })
6574        });
6575        cx.run_until_parked();
6576        (thread_view, cx)
6577    }
6578
6579    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6580        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6581
6582        workspace
6583            .update_in(cx, |workspace, window, cx| {
6584                workspace.add_item_to_active_pane(
6585                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6586                    None,
6587                    true,
6588                    window,
6589                    cx,
6590                );
6591            })
6592            .unwrap();
6593    }
6594
6595    struct ThreadViewItem(Entity<AcpThreadView>);
6596
6597    impl Item for ThreadViewItem {
6598        type Event = ();
6599
6600        fn include_in_nav_history() -> bool {
6601            false
6602        }
6603
6604        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6605            "Test".into()
6606        }
6607    }
6608
6609    impl EventEmitter<()> for ThreadViewItem {}
6610
6611    impl Focusable for ThreadViewItem {
6612        fn focus_handle(&self, cx: &App) -> FocusHandle {
6613            self.0.read(cx).focus_handle(cx)
6614        }
6615    }
6616
6617    impl Render for ThreadViewItem {
6618        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6619            self.0.clone().into_any_element()
6620        }
6621    }
6622
6623    struct StubAgentServer<C> {
6624        connection: C,
6625    }
6626
6627    impl<C> StubAgentServer<C> {
6628        fn new(connection: C) -> Self {
6629            Self { connection }
6630        }
6631    }
6632
6633    impl StubAgentServer<StubAgentConnection> {
6634        fn default_response() -> Self {
6635            let conn = StubAgentConnection::new();
6636            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6637                acp::ContentChunk::new("Default response".into()),
6638            )]);
6639            Self::new(conn)
6640        }
6641    }
6642
6643    impl<C> AgentServer for StubAgentServer<C>
6644    where
6645        C: 'static + AgentConnection + Send + Clone,
6646    {
6647        fn logo(&self) -> ui::IconName {
6648            ui::IconName::Ai
6649        }
6650
6651        fn name(&self) -> SharedString {
6652            "Test".into()
6653        }
6654
6655        fn connect(
6656            &self,
6657            _root_dir: Option<&Path>,
6658            _delegate: AgentServerDelegate,
6659            _cx: &mut App,
6660        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6661            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6662        }
6663
6664        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6665            self
6666        }
6667    }
6668
6669    #[derive(Clone)]
6670    struct SaboteurAgentConnection;
6671
6672    impl AgentConnection for SaboteurAgentConnection {
6673        fn telemetry_id(&self) -> SharedString {
6674            "saboteur".into()
6675        }
6676
6677        fn new_thread(
6678            self: Rc<Self>,
6679            project: Entity<Project>,
6680            _cwd: &Path,
6681            cx: &mut gpui::App,
6682        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6683            Task::ready(Ok(cx.new(|cx| {
6684                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6685                AcpThread::new(
6686                    "SaboteurAgentConnection",
6687                    self,
6688                    project,
6689                    action_log,
6690                    SessionId::new("test"),
6691                    watch::Receiver::constant(
6692                        acp::PromptCapabilities::new()
6693                            .image(true)
6694                            .audio(true)
6695                            .embedded_context(true),
6696                    ),
6697                    cx,
6698                )
6699            })))
6700        }
6701
6702        fn auth_methods(&self) -> &[acp::AuthMethod] {
6703            &[]
6704        }
6705
6706        fn authenticate(
6707            &self,
6708            _method_id: acp::AuthMethodId,
6709            _cx: &mut App,
6710        ) -> Task<gpui::Result<()>> {
6711            unimplemented!()
6712        }
6713
6714        fn prompt(
6715            &self,
6716            _id: Option<acp_thread::UserMessageId>,
6717            _params: acp::PromptRequest,
6718            _cx: &mut App,
6719        ) -> Task<gpui::Result<acp::PromptResponse>> {
6720            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6721        }
6722
6723        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6724            unimplemented!()
6725        }
6726
6727        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6728            self
6729        }
6730    }
6731
6732    /// Simulates a model which always returns a refusal response
6733    #[derive(Clone)]
6734    struct RefusalAgentConnection;
6735
6736    impl AgentConnection for RefusalAgentConnection {
6737        fn telemetry_id(&self) -> SharedString {
6738            "refusal".into()
6739        }
6740
6741        fn new_thread(
6742            self: Rc<Self>,
6743            project: Entity<Project>,
6744            _cwd: &Path,
6745            cx: &mut gpui::App,
6746        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6747            Task::ready(Ok(cx.new(|cx| {
6748                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6749                AcpThread::new(
6750                    "RefusalAgentConnection",
6751                    self,
6752                    project,
6753                    action_log,
6754                    SessionId::new("test"),
6755                    watch::Receiver::constant(
6756                        acp::PromptCapabilities::new()
6757                            .image(true)
6758                            .audio(true)
6759                            .embedded_context(true),
6760                    ),
6761                    cx,
6762                )
6763            })))
6764        }
6765
6766        fn auth_methods(&self) -> &[acp::AuthMethod] {
6767            &[]
6768        }
6769
6770        fn authenticate(
6771            &self,
6772            _method_id: acp::AuthMethodId,
6773            _cx: &mut App,
6774        ) -> Task<gpui::Result<()>> {
6775            unimplemented!()
6776        }
6777
6778        fn prompt(
6779            &self,
6780            _id: Option<acp_thread::UserMessageId>,
6781            _params: acp::PromptRequest,
6782            _cx: &mut App,
6783        ) -> Task<gpui::Result<acp::PromptResponse>> {
6784            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
6785        }
6786
6787        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6788            unimplemented!()
6789        }
6790
6791        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6792            self
6793        }
6794    }
6795
6796    pub(crate) fn init_test(cx: &mut TestAppContext) {
6797        cx.update(|cx| {
6798            let settings_store = SettingsStore::test(cx);
6799            cx.set_global(settings_store);
6800            theme::init(theme::LoadThemes::JustBase, cx);
6801            release_channel::init(semver::Version::new(0, 0, 0), cx);
6802            prompt_store::init(cx)
6803        });
6804    }
6805
6806    #[gpui::test]
6807    async fn test_rewind_views(cx: &mut TestAppContext) {
6808        init_test(cx);
6809
6810        let fs = FakeFs::new(cx.executor());
6811        fs.insert_tree(
6812            "/project",
6813            json!({
6814                "test1.txt": "old content 1",
6815                "test2.txt": "old content 2"
6816            }),
6817        )
6818        .await;
6819        let project = Project::test(fs, [Path::new("/project")], cx).await;
6820        let (workspace, cx) =
6821            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6822
6823        let text_thread_store =
6824            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6825        let history_store =
6826            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6827
6828        let connection = Rc::new(StubAgentConnection::new());
6829        let thread_view = cx.update(|window, cx| {
6830            cx.new(|cx| {
6831                AcpThreadView::new(
6832                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6833                    None,
6834                    None,
6835                    workspace.downgrade(),
6836                    project.clone(),
6837                    history_store.clone(),
6838                    None,
6839                    false,
6840                    window,
6841                    cx,
6842                )
6843            })
6844        });
6845
6846        cx.run_until_parked();
6847
6848        let thread = thread_view
6849            .read_with(cx, |view, _| view.thread().cloned())
6850            .unwrap();
6851
6852        // First user message
6853        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
6854            acp::ToolCall::new("tool1", "Edit file 1")
6855                .kind(acp::ToolKind::Edit)
6856                .status(acp::ToolCallStatus::Completed)
6857                .content(vec![acp::ToolCallContent::Diff(
6858                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
6859                )]),
6860        )]);
6861
6862        thread
6863            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6864            .await
6865            .unwrap();
6866        cx.run_until_parked();
6867
6868        thread.read_with(cx, |thread, _| {
6869            assert_eq!(thread.entries().len(), 2);
6870        });
6871
6872        thread_view.read_with(cx, |view, cx| {
6873            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6874                assert!(
6875                    entry_view_state
6876                        .entry(0)
6877                        .unwrap()
6878                        .message_editor()
6879                        .is_some()
6880                );
6881                assert!(entry_view_state.entry(1).unwrap().has_content());
6882            });
6883        });
6884
6885        // Second user message
6886        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
6887            acp::ToolCall::new("tool2", "Edit file 2")
6888                .kind(acp::ToolKind::Edit)
6889                .status(acp::ToolCallStatus::Completed)
6890                .content(vec![acp::ToolCallContent::Diff(
6891                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
6892                )]),
6893        )]);
6894
6895        thread
6896            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6897            .await
6898            .unwrap();
6899        cx.run_until_parked();
6900
6901        let second_user_message_id = thread.read_with(cx, |thread, _| {
6902            assert_eq!(thread.entries().len(), 4);
6903            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6904                panic!();
6905            };
6906            user_message.id.clone().unwrap()
6907        });
6908
6909        thread_view.read_with(cx, |view, cx| {
6910            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6911                assert!(
6912                    entry_view_state
6913                        .entry(0)
6914                        .unwrap()
6915                        .message_editor()
6916                        .is_some()
6917                );
6918                assert!(entry_view_state.entry(1).unwrap().has_content());
6919                assert!(
6920                    entry_view_state
6921                        .entry(2)
6922                        .unwrap()
6923                        .message_editor()
6924                        .is_some()
6925                );
6926                assert!(entry_view_state.entry(3).unwrap().has_content());
6927            });
6928        });
6929
6930        // Rewind to first message
6931        thread
6932            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6933            .await
6934            .unwrap();
6935
6936        cx.run_until_parked();
6937
6938        thread.read_with(cx, |thread, _| {
6939            assert_eq!(thread.entries().len(), 2);
6940        });
6941
6942        thread_view.read_with(cx, |view, cx| {
6943            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6944                assert!(
6945                    entry_view_state
6946                        .entry(0)
6947                        .unwrap()
6948                        .message_editor()
6949                        .is_some()
6950                );
6951                assert!(entry_view_state.entry(1).unwrap().has_content());
6952
6953                // Old views should be dropped
6954                assert!(entry_view_state.entry(2).is_none());
6955                assert!(entry_view_state.entry(3).is_none());
6956            });
6957        });
6958    }
6959
6960    #[gpui::test]
6961    async fn test_scroll_to_most_recent_user_prompt(cx: &mut TestAppContext) {
6962        init_test(cx);
6963
6964        let connection = StubAgentConnection::new();
6965
6966        // Each user prompt will result in a user message entry plus an agent message entry.
6967        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6968            acp::ContentChunk::new("Response 1".into()),
6969        )]);
6970
6971        let (thread_view, cx) =
6972            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6973
6974        let thread = thread_view
6975            .read_with(cx, |view, _| view.thread().cloned())
6976            .unwrap();
6977
6978        thread
6979            .update(cx, |thread, cx| thread.send_raw("Prompt 1", cx))
6980            .await
6981            .unwrap();
6982        cx.run_until_parked();
6983
6984        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6985            acp::ContentChunk::new("Response 2".into()),
6986        )]);
6987
6988        thread
6989            .update(cx, |thread, cx| thread.send_raw("Prompt 2", cx))
6990            .await
6991            .unwrap();
6992        cx.run_until_parked();
6993
6994        // Move somewhere else first so we're not trivially already on the last user prompt.
6995        thread_view.update(cx, |view, cx| {
6996            view.scroll_to_top(cx);
6997        });
6998        cx.run_until_parked();
6999
7000        thread_view.update(cx, |view, cx| {
7001            view.scroll_to_most_recent_user_prompt(cx);
7002            let scroll_top = view.list_state.logical_scroll_top();
7003            // Entries layout is: [User1, Assistant1, User2, Assistant2]
7004            assert_eq!(scroll_top.item_ix, 2);
7005        });
7006    }
7007
7008    #[gpui::test]
7009    async fn test_scroll_to_most_recent_user_prompt_falls_back_to_bottom_without_user_messages(
7010        cx: &mut TestAppContext,
7011    ) {
7012        init_test(cx);
7013
7014        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
7015
7016        // With no entries, scrolling should be a no-op and must not panic.
7017        thread_view.update(cx, |view, cx| {
7018            view.scroll_to_most_recent_user_prompt(cx);
7019            let scroll_top = view.list_state.logical_scroll_top();
7020            assert_eq!(scroll_top.item_ix, 0);
7021        });
7022    }
7023
7024    #[gpui::test]
7025    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
7026        init_test(cx);
7027
7028        let connection = StubAgentConnection::new();
7029
7030        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7031            acp::ContentChunk::new("Response".into()),
7032        )]);
7033
7034        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7035        add_to_workspace(thread_view.clone(), cx);
7036
7037        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7038        message_editor.update_in(cx, |editor, window, cx| {
7039            editor.set_text("Original message to edit", window, cx);
7040        });
7041        thread_view.update_in(cx, |thread_view, window, cx| {
7042            thread_view.send(window, cx);
7043        });
7044
7045        cx.run_until_parked();
7046
7047        let user_message_editor = thread_view.read_with(cx, |view, cx| {
7048            assert_eq!(view.editing_message, None);
7049
7050            view.entry_view_state
7051                .read(cx)
7052                .entry(0)
7053                .unwrap()
7054                .message_editor()
7055                .unwrap()
7056                .clone()
7057        });
7058
7059        // Focus
7060        cx.focus(&user_message_editor);
7061        thread_view.read_with(cx, |view, _cx| {
7062            assert_eq!(view.editing_message, Some(0));
7063        });
7064
7065        // Edit
7066        user_message_editor.update_in(cx, |editor, window, cx| {
7067            editor.set_text("Edited message content", window, cx);
7068        });
7069
7070        // Cancel
7071        user_message_editor.update_in(cx, |_editor, window, cx| {
7072            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
7073        });
7074
7075        thread_view.read_with(cx, |view, _cx| {
7076            assert_eq!(view.editing_message, None);
7077        });
7078
7079        user_message_editor.read_with(cx, |editor, cx| {
7080            assert_eq!(editor.text(cx), "Original message to edit");
7081        });
7082    }
7083
7084    #[gpui::test]
7085    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
7086        init_test(cx);
7087
7088        let connection = StubAgentConnection::new();
7089
7090        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7091        add_to_workspace(thread_view.clone(), cx);
7092
7093        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7094        let mut events = cx.events(&message_editor);
7095        message_editor.update_in(cx, |editor, window, cx| {
7096            editor.set_text("", window, cx);
7097        });
7098
7099        message_editor.update_in(cx, |_editor, window, cx| {
7100            window.dispatch_action(Box::new(Chat), cx);
7101        });
7102        cx.run_until_parked();
7103        // We shouldn't have received any messages
7104        assert!(matches!(
7105            events.try_next(),
7106            Err(futures::channel::mpsc::TryRecvError { .. })
7107        ));
7108    }
7109
7110    #[gpui::test]
7111    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
7112        init_test(cx);
7113
7114        let connection = StubAgentConnection::new();
7115
7116        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7117            acp::ContentChunk::new("Response".into()),
7118        )]);
7119
7120        let (thread_view, cx) =
7121            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7122        add_to_workspace(thread_view.clone(), cx);
7123
7124        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7125        message_editor.update_in(cx, |editor, window, cx| {
7126            editor.set_text("Original message to edit", window, cx);
7127        });
7128        thread_view.update_in(cx, |thread_view, window, cx| {
7129            thread_view.send(window, cx);
7130        });
7131
7132        cx.run_until_parked();
7133
7134        let user_message_editor = thread_view.read_with(cx, |view, cx| {
7135            assert_eq!(view.editing_message, None);
7136            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
7137
7138            view.entry_view_state
7139                .read(cx)
7140                .entry(0)
7141                .unwrap()
7142                .message_editor()
7143                .unwrap()
7144                .clone()
7145        });
7146
7147        // Focus
7148        cx.focus(&user_message_editor);
7149
7150        // Edit
7151        user_message_editor.update_in(cx, |editor, window, cx| {
7152            editor.set_text("Edited message content", window, cx);
7153        });
7154
7155        // Send
7156        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7157            acp::ContentChunk::new("New Response".into()),
7158        )]);
7159
7160        user_message_editor.update_in(cx, |_editor, window, cx| {
7161            window.dispatch_action(Box::new(Chat), cx);
7162        });
7163
7164        cx.run_until_parked();
7165
7166        thread_view.read_with(cx, |view, cx| {
7167            assert_eq!(view.editing_message, None);
7168
7169            let entries = view.thread().unwrap().read(cx).entries();
7170            assert_eq!(entries.len(), 2);
7171            assert_eq!(
7172                entries[0].to_markdown(cx),
7173                "## User\n\nEdited message content\n\n"
7174            );
7175            assert_eq!(
7176                entries[1].to_markdown(cx),
7177                "## Assistant\n\nNew Response\n\n"
7178            );
7179
7180            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
7181                assert!(!state.entry(1).unwrap().has_content());
7182                state.entry(0).unwrap().message_editor().unwrap().clone()
7183            });
7184
7185            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
7186        })
7187    }
7188
7189    #[gpui::test]
7190    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
7191        init_test(cx);
7192
7193        let connection = StubAgentConnection::new();
7194
7195        let (thread_view, cx) =
7196            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7197        add_to_workspace(thread_view.clone(), cx);
7198
7199        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7200        message_editor.update_in(cx, |editor, window, cx| {
7201            editor.set_text("Original message to edit", window, cx);
7202        });
7203        thread_view.update_in(cx, |thread_view, window, cx| {
7204            thread_view.send(window, cx);
7205        });
7206
7207        cx.run_until_parked();
7208
7209        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
7210            let thread = view.thread().unwrap().read(cx);
7211            assert_eq!(thread.entries().len(), 1);
7212
7213            let editor = view
7214                .entry_view_state
7215                .read(cx)
7216                .entry(0)
7217                .unwrap()
7218                .message_editor()
7219                .unwrap()
7220                .clone();
7221
7222            (editor, thread.session_id().clone())
7223        });
7224
7225        // Focus
7226        cx.focus(&user_message_editor);
7227
7228        thread_view.read_with(cx, |view, _cx| {
7229            assert_eq!(view.editing_message, Some(0));
7230        });
7231
7232        // Edit
7233        user_message_editor.update_in(cx, |editor, window, cx| {
7234            editor.set_text("Edited message content", window, cx);
7235        });
7236
7237        thread_view.read_with(cx, |view, _cx| {
7238            assert_eq!(view.editing_message, Some(0));
7239        });
7240
7241        // Finish streaming response
7242        cx.update(|_, cx| {
7243            connection.send_update(
7244                session_id.clone(),
7245                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
7246                cx,
7247            );
7248            connection.end_turn(session_id, acp::StopReason::EndTurn);
7249        });
7250
7251        thread_view.read_with(cx, |view, _cx| {
7252            assert_eq!(view.editing_message, Some(0));
7253        });
7254
7255        cx.run_until_parked();
7256
7257        // Should still be editing
7258        cx.update(|window, cx| {
7259            assert!(user_message_editor.focus_handle(cx).is_focused(window));
7260            assert_eq!(thread_view.read(cx).editing_message, Some(0));
7261            assert_eq!(
7262                user_message_editor.read(cx).text(cx),
7263                "Edited message content"
7264            );
7265        });
7266    }
7267
7268    #[gpui::test]
7269    async fn test_interrupt(cx: &mut TestAppContext) {
7270        init_test(cx);
7271
7272        let connection = StubAgentConnection::new();
7273
7274        let (thread_view, cx) =
7275            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7276        add_to_workspace(thread_view.clone(), cx);
7277
7278        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7279        message_editor.update_in(cx, |editor, window, cx| {
7280            editor.set_text("Message 1", window, cx);
7281        });
7282        thread_view.update_in(cx, |thread_view, window, cx| {
7283            thread_view.send(window, cx);
7284        });
7285
7286        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
7287            let thread = view.thread().unwrap();
7288
7289            (thread.clone(), thread.read(cx).session_id().clone())
7290        });
7291
7292        cx.run_until_parked();
7293
7294        cx.update(|_, cx| {
7295            connection.send_update(
7296                session_id.clone(),
7297                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7298                    "Message 1 resp".into(),
7299                )),
7300                cx,
7301            );
7302        });
7303
7304        cx.run_until_parked();
7305
7306        thread.read_with(cx, |thread, cx| {
7307            assert_eq!(
7308                thread.to_markdown(cx),
7309                indoc::indoc! {"
7310                    ## User
7311
7312                    Message 1
7313
7314                    ## Assistant
7315
7316                    Message 1 resp
7317
7318                "}
7319            )
7320        });
7321
7322        message_editor.update_in(cx, |editor, window, cx| {
7323            editor.set_text("Message 2", window, cx);
7324        });
7325        thread_view.update_in(cx, |thread_view, window, cx| {
7326            thread_view.send(window, cx);
7327        });
7328
7329        cx.update(|_, cx| {
7330            // Simulate a response sent after beginning to cancel
7331            connection.send_update(
7332                session_id.clone(),
7333                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
7334                cx,
7335            );
7336        });
7337
7338        cx.run_until_parked();
7339
7340        // Last Message 1 response should appear before Message 2
7341        thread.read_with(cx, |thread, cx| {
7342            assert_eq!(
7343                thread.to_markdown(cx),
7344                indoc::indoc! {"
7345                    ## User
7346
7347                    Message 1
7348
7349                    ## Assistant
7350
7351                    Message 1 response
7352
7353                    ## User
7354
7355                    Message 2
7356
7357                "}
7358            )
7359        });
7360
7361        cx.update(|_, cx| {
7362            connection.send_update(
7363                session_id.clone(),
7364                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7365                    "Message 2 response".into(),
7366                )),
7367                cx,
7368            );
7369            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
7370        });
7371
7372        cx.run_until_parked();
7373
7374        thread.read_with(cx, |thread, cx| {
7375            assert_eq!(
7376                thread.to_markdown(cx),
7377                indoc::indoc! {"
7378                    ## User
7379
7380                    Message 1
7381
7382                    ## Assistant
7383
7384                    Message 1 response
7385
7386                    ## User
7387
7388                    Message 2
7389
7390                    ## Assistant
7391
7392                    Message 2 response
7393
7394                "}
7395            )
7396        });
7397    }
7398
7399    #[gpui::test]
7400    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
7401        init_test(cx);
7402
7403        let connection = StubAgentConnection::new();
7404        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7405            acp::ContentChunk::new("Response".into()),
7406        )]);
7407
7408        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7409        add_to_workspace(thread_view.clone(), cx);
7410
7411        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7412        message_editor.update_in(cx, |editor, window, cx| {
7413            editor.set_text("Original message to edit", window, cx)
7414        });
7415        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
7416        cx.run_until_parked();
7417
7418        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
7419            thread_view
7420                .entry_view_state
7421                .read(cx)
7422                .entry(0)
7423                .expect("Should have at least one entry")
7424                .message_editor()
7425                .expect("Should have message editor")
7426                .clone()
7427        });
7428
7429        cx.focus(&user_message_editor);
7430        thread_view.read_with(cx, |thread_view, _cx| {
7431            assert_eq!(thread_view.editing_message, Some(0));
7432        });
7433
7434        // Ensure to edit the focused message before proceeding otherwise, since
7435        // its content is not different from what was sent, focus will be lost.
7436        user_message_editor.update_in(cx, |editor, window, cx| {
7437            editor.set_text("Original message to edit with ", window, cx)
7438        });
7439
7440        // Create a simple buffer with some text so we can create a selection
7441        // that will then be added to the message being edited.
7442        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7443            (thread_view.workspace.clone(), thread_view.project.clone())
7444        });
7445        let buffer = project.update(cx, |project, cx| {
7446            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7447        });
7448
7449        workspace
7450            .update_in(cx, |workspace, window, cx| {
7451                let editor = cx.new(|cx| {
7452                    let mut editor =
7453                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7454
7455                    editor.change_selections(Default::default(), window, cx, |selections| {
7456                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7457                    });
7458
7459                    editor
7460                });
7461                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7462            })
7463            .unwrap();
7464
7465        thread_view.update_in(cx, |thread_view, window, cx| {
7466            assert_eq!(thread_view.editing_message, Some(0));
7467            thread_view.insert_selections(window, cx);
7468        });
7469
7470        user_message_editor.read_with(cx, |editor, cx| {
7471            let text = editor.editor().read(cx).text(cx);
7472            let expected_text = String::from("Original message to edit with selection ");
7473
7474            assert_eq!(text, expected_text);
7475        });
7476    }
7477
7478    #[gpui::test]
7479    async fn test_insert_selections(cx: &mut TestAppContext) {
7480        init_test(cx);
7481
7482        let connection = StubAgentConnection::new();
7483        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7484            acp::ContentChunk::new("Response".into()),
7485        )]);
7486
7487        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7488        add_to_workspace(thread_view.clone(), cx);
7489
7490        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7491        message_editor.update_in(cx, |editor, window, cx| {
7492            editor.set_text("Can you review this snippet ", window, cx)
7493        });
7494
7495        // Create a simple buffer with some text so we can create a selection
7496        // that will then be added to the message being edited.
7497        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7498            (thread_view.workspace.clone(), thread_view.project.clone())
7499        });
7500        let buffer = project.update(cx, |project, cx| {
7501            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7502        });
7503
7504        workspace
7505            .update_in(cx, |workspace, window, cx| {
7506                let editor = cx.new(|cx| {
7507                    let mut editor =
7508                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7509
7510                    editor.change_selections(Default::default(), window, cx, |selections| {
7511                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7512                    });
7513
7514                    editor
7515                });
7516                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7517            })
7518            .unwrap();
7519
7520        thread_view.update_in(cx, |thread_view, window, cx| {
7521            assert_eq!(thread_view.editing_message, None);
7522            thread_view.insert_selections(window, cx);
7523        });
7524
7525        thread_view.read_with(cx, |thread_view, cx| {
7526            let text = thread_view.message_editor.read(cx).text(cx);
7527            let expected_txt = String::from("Can you review this snippet selection ");
7528
7529            assert_eq!(text, expected_txt);
7530        })
7531    }
7532}