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::{AgentServerStore, ExternalAgentServerName, Project, ProjectEntryId};
  38use prompt_store::{PromptId, PromptStore};
  39use rope::Point;
  40use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  41use std::cell::RefCell;
  42use std::path::Path;
  43use std::sync::Arc;
  44use std::time::Instant;
  45use std::{collections::BTreeMap, rc::Rc, time::Duration};
  46use terminal_view::terminal_panel::TerminalPanel;
  47use text::Anchor;
  48use theme::{AgentFontSize, ThemeSettings};
  49use ui::{
  50    Callout, CommonAnimationExt, 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    agent_server_store: Entity<AgentServerStore>,
 264    workspace: WeakEntity<Workspace>,
 265    project: Entity<Project>,
 266    thread_state: ThreadState,
 267    login: Option<task::SpawnInTerminal>,
 268    history_store: Entity<HistoryStore>,
 269    hovered_recent_history_item: Option<usize>,
 270    entry_view_state: Entity<EntryViewState>,
 271    message_editor: Entity<MessageEditor>,
 272    focus_handle: FocusHandle,
 273    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 274    profile_selector: Option<Entity<ProfileSelector>>,
 275    notifications: Vec<WindowHandle<AgentNotification>>,
 276    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 277    thread_retry_status: Option<RetryStatus>,
 278    thread_error: Option<ThreadError>,
 279    thread_error_markdown: Option<Entity<Markdown>>,
 280    thread_feedback: ThreadFeedbackState,
 281    list_state: ListState,
 282    auth_task: Option<Task<()>>,
 283    expanded_tool_calls: HashSet<acp::ToolCallId>,
 284    expanded_thinking_blocks: HashSet<(usize, usize)>,
 285    edits_expanded: bool,
 286    plan_expanded: bool,
 287    editor_expanded: bool,
 288    should_be_following: bool,
 289    editing_message: Option<usize>,
 290    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 291    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 292    is_loading_contents: bool,
 293    new_server_version_available: Option<SharedString>,
 294    resume_thread_metadata: Option<DbThreadMetadata>,
 295    _cancel_task: Option<Task<()>>,
 296    _subscriptions: [Subscription; 5],
 297    show_codex_windows_warning: bool,
 298    in_flight_prompt: Option<Vec<acp::ContentBlock>>,
 299}
 300
 301enum ThreadState {
 302    Loading(Entity<LoadingView>),
 303    Ready {
 304        thread: Entity<AcpThread>,
 305        title_editor: Option<Entity<Editor>>,
 306        mode_selector: Option<Entity<ModeSelector>>,
 307        _subscriptions: Vec<Subscription>,
 308    },
 309    LoadError(LoadError),
 310    Unauthenticated {
 311        connection: Rc<dyn AgentConnection>,
 312        description: Option<Entity<Markdown>>,
 313        configuration_view: Option<AnyView>,
 314        pending_auth_method: Option<acp::AuthMethodId>,
 315        _subscription: Option<Subscription>,
 316    },
 317}
 318
 319struct LoadingView {
 320    title: SharedString,
 321    _load_task: Task<()>,
 322    _update_title_task: Task<anyhow::Result<()>>,
 323}
 324
 325impl AcpThreadView {
 326    pub fn new(
 327        agent: Rc<dyn AgentServer>,
 328        resume_thread: Option<DbThreadMetadata>,
 329        summarize_thread: Option<DbThreadMetadata>,
 330        workspace: WeakEntity<Workspace>,
 331        project: Entity<Project>,
 332        history_store: Entity<HistoryStore>,
 333        prompt_store: Option<Entity<PromptStore>>,
 334        track_load_event: bool,
 335        window: &mut Window,
 336        cx: &mut Context<Self>,
 337    ) -> Self {
 338        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 339        let available_commands = Rc::new(RefCell::new(vec![]));
 340
 341        let placeholder = placeholder_text(agent.name().as_ref(), false);
 342
 343        let message_editor = cx.new(|cx| {
 344            let mut editor = MessageEditor::new(
 345                workspace.clone(),
 346                project.downgrade(),
 347                history_store.clone(),
 348                prompt_store.clone(),
 349                prompt_capabilities.clone(),
 350                available_commands.clone(),
 351                agent.name(),
 352                &placeholder,
 353                editor::EditorMode::AutoHeight {
 354                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 355                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 356                },
 357                window,
 358                cx,
 359            );
 360            if let Some(entry) = summarize_thread {
 361                editor.insert_thread_summary(entry, window, cx);
 362            }
 363            editor
 364        });
 365
 366        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 367
 368        let entry_view_state = cx.new(|_| {
 369            EntryViewState::new(
 370                workspace.clone(),
 371                project.downgrade(),
 372                history_store.clone(),
 373                prompt_store.clone(),
 374                prompt_capabilities.clone(),
 375                available_commands.clone(),
 376                agent.name(),
 377            )
 378        });
 379
 380        let agent_server_store = project.read(cx).agent_server_store().clone();
 381        let subscriptions = [
 382            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 383            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 384            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 385            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 386            cx.subscribe_in(
 387                &agent_server_store,
 388                window,
 389                Self::handle_agent_servers_updated,
 390            ),
 391        ];
 392
 393        cx.on_release(|this, cx| {
 394            for window in this.notifications.drain(..) {
 395                window
 396                    .update(cx, |_, window, _| {
 397                        window.remove_window();
 398                    })
 399                    .ok();
 400            }
 401        })
 402        .detach();
 403
 404        let show_codex_windows_warning = cfg!(windows)
 405            && project.read(cx).is_local()
 406            && agent.clone().downcast::<agent_servers::Codex>().is_some();
 407
 408        Self {
 409            agent: agent.clone(),
 410            agent_server_store,
 411            workspace: workspace.clone(),
 412            project: project.clone(),
 413            entry_view_state,
 414            thread_state: Self::initial_state(
 415                agent.clone(),
 416                resume_thread.clone(),
 417                workspace.clone(),
 418                project.clone(),
 419                track_load_event,
 420                window,
 421                cx,
 422            ),
 423            login: None,
 424            message_editor,
 425            model_selector: None,
 426            profile_selector: None,
 427
 428            notifications: Vec::new(),
 429            notification_subscriptions: HashMap::default(),
 430            list_state: list_state,
 431            thread_retry_status: None,
 432            thread_error: None,
 433            thread_error_markdown: None,
 434            thread_feedback: Default::default(),
 435            auth_task: None,
 436            expanded_tool_calls: HashSet::default(),
 437            expanded_thinking_blocks: HashSet::default(),
 438            editing_message: None,
 439            edits_expanded: false,
 440            plan_expanded: false,
 441            prompt_capabilities,
 442            available_commands,
 443            editor_expanded: false,
 444            should_be_following: false,
 445            history_store,
 446            hovered_recent_history_item: None,
 447            is_loading_contents: false,
 448            _subscriptions: subscriptions,
 449            _cancel_task: None,
 450            focus_handle: cx.focus_handle(),
 451            new_server_version_available: None,
 452            resume_thread_metadata: resume_thread,
 453            show_codex_windows_warning,
 454            in_flight_prompt: None,
 455        }
 456    }
 457
 458    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 459        self.thread_state = Self::initial_state(
 460            self.agent.clone(),
 461            self.resume_thread_metadata.clone(),
 462            self.workspace.clone(),
 463            self.project.clone(),
 464            true,
 465            window,
 466            cx,
 467        );
 468        self.available_commands.replace(vec![]);
 469        self.new_server_version_available.take();
 470        cx.notify();
 471    }
 472
 473    fn initial_state(
 474        agent: Rc<dyn AgentServer>,
 475        resume_thread: Option<DbThreadMetadata>,
 476        workspace: WeakEntity<Workspace>,
 477        project: Entity<Project>,
 478        track_load_event: bool,
 479        window: &mut Window,
 480        cx: &mut Context<Self>,
 481    ) -> ThreadState {
 482        if project.read(cx).is_via_collab()
 483            && agent.clone().downcast::<NativeAgentServer>().is_none()
 484        {
 485            return ThreadState::LoadError(LoadError::Other(
 486                "External agents are not yet supported in shared projects.".into(),
 487            ));
 488        }
 489        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 490        // Pick the first non-single-file worktree for the root directory if there are any,
 491        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 492        worktrees.sort_by(|l, r| {
 493            l.read(cx)
 494                .is_single_file()
 495                .cmp(&r.read(cx).is_single_file())
 496        });
 497        let root_dir = worktrees
 498            .into_iter()
 499            .filter_map(|worktree| {
 500                if worktree.read(cx).is_single_file() {
 501                    Some(worktree.read(cx).abs_path().parent()?.into())
 502                } else {
 503                    Some(worktree.read(cx).abs_path())
 504                }
 505            })
 506            .next();
 507        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 508        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 509        let delegate = AgentServerDelegate::new(
 510            project.read(cx).agent_server_store().clone(),
 511            project.clone(),
 512            Some(status_tx),
 513            Some(new_version_available_tx),
 514        );
 515
 516        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 517        let load_task = cx.spawn_in(window, async move |this, cx| {
 518            let connection = match connect_task.await {
 519                Ok((connection, login)) => {
 520                    this.update(cx, |this, _| this.login = login).ok();
 521                    connection
 522                }
 523                Err(err) => {
 524                    this.update_in(cx, |this, window, cx| {
 525                        if err.downcast_ref::<LoadError>().is_some() {
 526                            this.handle_load_error(err, window, cx);
 527                        } else {
 528                            this.handle_thread_error(err, cx);
 529                        }
 530                        cx.notify();
 531                    })
 532                    .log_err();
 533                    return;
 534                }
 535            };
 536
 537            if track_load_event {
 538                telemetry::event!("Agent Thread Started", agent = connection.telemetry_id());
 539            }
 540
 541            let result = if let Some(native_agent) = connection
 542                .clone()
 543                .downcast::<agent::NativeAgentConnection>()
 544                && let Some(resume) = resume_thread.clone()
 545            {
 546                cx.update(|_, cx| {
 547                    native_agent
 548                        .0
 549                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 550                })
 551                .log_err()
 552            } else {
 553                let root_dir = root_dir.unwrap_or(paths::home_dir().as_path().into());
 554                cx.update(|_, cx| {
 555                    connection
 556                        .clone()
 557                        .new_thread(project.clone(), &root_dir, cx)
 558                })
 559                .log_err()
 560            };
 561
 562            let Some(result) = result else {
 563                return;
 564            };
 565
 566            let result = match result.await {
 567                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 568                    Ok(err) => {
 569                        cx.update(|window, cx| {
 570                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 571                        })
 572                        .log_err();
 573                        return;
 574                    }
 575                    Err(err) => Err(err),
 576                },
 577                Ok(thread) => Ok(thread),
 578            };
 579
 580            this.update_in(cx, |this, window, cx| {
 581                match result {
 582                    Ok(thread) => {
 583                        let action_log = thread.read(cx).action_log().clone();
 584
 585                        this.prompt_capabilities
 586                            .replace(thread.read(cx).prompt_capabilities());
 587
 588                        let count = thread.read(cx).entries().len();
 589                        this.entry_view_state.update(cx, |view_state, cx| {
 590                            for ix in 0..count {
 591                                view_state.sync_entry(ix, &thread, window, cx);
 592                            }
 593                            this.list_state.splice_focusable(
 594                                0..0,
 595                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 596                            );
 597                        });
 598
 599                        if let Some(resume) = resume_thread {
 600                            this.history_store.update(cx, |history, cx| {
 601                                history.push_recently_opened_entry(
 602                                    HistoryEntryId::AcpThread(resume.id),
 603                                    cx,
 604                                );
 605                            });
 606                        }
 607
 608                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 609
 610                        this.model_selector = thread
 611                            .read(cx)
 612                            .connection()
 613                            .model_selector(thread.read(cx).session_id())
 614                            .map(|selector| {
 615                                let agent_server = this.agent.clone();
 616                                let fs = this.project.read(cx).fs().clone();
 617                                cx.new(|cx| {
 618                                    AcpModelSelectorPopover::new(
 619                                        selector,
 620                                        agent_server,
 621                                        fs,
 622                                        PopoverMenuHandle::default(),
 623                                        this.focus_handle(cx),
 624                                        window,
 625                                        cx,
 626                                    )
 627                                })
 628                            });
 629
 630                        let mode_selector = thread
 631                            .read(cx)
 632                            .connection()
 633                            .session_modes(thread.read(cx).session_id(), cx)
 634                            .map(|session_modes| {
 635                                let fs = this.project.read(cx).fs().clone();
 636                                let focus_handle = this.focus_handle(cx);
 637                                cx.new(|_cx| {
 638                                    ModeSelector::new(
 639                                        session_modes,
 640                                        this.agent.clone(),
 641                                        fs,
 642                                        focus_handle,
 643                                    )
 644                                })
 645                            });
 646
 647                        let mut subscriptions = vec![
 648                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 649                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 650                        ];
 651
 652                        let title_editor =
 653                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 654                                let editor = cx.new(|cx| {
 655                                    let mut editor = Editor::single_line(window, cx);
 656                                    editor.set_text(thread.read(cx).title(), window, cx);
 657                                    editor
 658                                });
 659                                subscriptions.push(cx.subscribe_in(
 660                                    &editor,
 661                                    window,
 662                                    Self::handle_title_editor_event,
 663                                ));
 664                                Some(editor)
 665                            } else {
 666                                None
 667                            };
 668
 669                        this.thread_state = ThreadState::Ready {
 670                            thread,
 671                            title_editor,
 672                            mode_selector,
 673                            _subscriptions: subscriptions,
 674                        };
 675
 676                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 677                            cx.new(|cx| {
 678                                ProfileSelector::new(
 679                                    <dyn Fs>::global(cx),
 680                                    Arc::new(thread.clone()),
 681                                    this.focus_handle(cx),
 682                                    cx,
 683                                )
 684                            })
 685                        });
 686
 687                        this.message_editor.focus_handle(cx).focus(window, cx);
 688
 689                        cx.notify();
 690                    }
 691                    Err(err) => {
 692                        this.handle_load_error(err, window, cx);
 693                    }
 694                };
 695            })
 696            .log_err();
 697        });
 698
 699        cx.spawn(async move |this, cx| {
 700            while let Ok(new_version) = new_version_available_rx.recv().await {
 701                if let Some(new_version) = new_version {
 702                    this.update(cx, |this, cx| {
 703                        this.new_server_version_available = Some(new_version.into());
 704                        cx.notify();
 705                    })
 706                    .ok();
 707                }
 708            }
 709        })
 710        .detach();
 711
 712        let loading_view = cx.new(|cx| {
 713            let update_title_task = cx.spawn(async move |this, cx| {
 714                loop {
 715                    let status = status_rx.recv().await?;
 716                    this.update(cx, |this: &mut LoadingView, cx| {
 717                        this.title = status;
 718                        cx.notify();
 719                    })?;
 720                }
 721            });
 722
 723            LoadingView {
 724                title: "Loading…".into(),
 725                _load_task: load_task,
 726                _update_title_task: update_title_task,
 727            }
 728        });
 729
 730        ThreadState::Loading(loading_view)
 731    }
 732
 733    fn handle_auth_required(
 734        this: WeakEntity<Self>,
 735        err: AuthRequired,
 736        agent: Rc<dyn AgentServer>,
 737        connection: Rc<dyn AgentConnection>,
 738        window: &mut Window,
 739        cx: &mut App,
 740    ) {
 741        let agent_name = agent.name();
 742        let (configuration_view, subscription) = if let Some(provider_id) = &err.provider_id {
 743            let registry = LanguageModelRegistry::global(cx);
 744
 745            let sub = window.subscribe(&registry, cx, {
 746                let provider_id = provider_id.clone();
 747                let this = this.clone();
 748                move |_, ev, window, cx| {
 749                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 750                        && &provider_id == updated_provider_id
 751                        && LanguageModelRegistry::global(cx)
 752                            .read(cx)
 753                            .provider(&provider_id)
 754                            .map_or(false, |provider| provider.is_authenticated(cx))
 755                    {
 756                        this.update(cx, |this, cx| {
 757                            this.reset(window, cx);
 758                        })
 759                        .ok();
 760                    }
 761                }
 762            });
 763
 764            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 765                provider.configuration_view(
 766                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 767                    window,
 768                    cx,
 769                )
 770            });
 771
 772            (view, Some(sub))
 773        } else {
 774            (None, None)
 775        };
 776
 777        this.update(cx, |this, cx| {
 778            this.thread_state = ThreadState::Unauthenticated {
 779                pending_auth_method: None,
 780                connection,
 781                configuration_view,
 782                description: err
 783                    .description
 784                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 785                _subscription: subscription,
 786            };
 787            if this.message_editor.focus_handle(cx).is_focused(window) {
 788                this.focus_handle.focus(window, cx)
 789            }
 790            cx.notify();
 791        })
 792        .ok();
 793    }
 794
 795    fn handle_load_error(
 796        &mut self,
 797        err: anyhow::Error,
 798        window: &mut Window,
 799        cx: &mut Context<Self>,
 800    ) {
 801        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 802            self.thread_state = ThreadState::LoadError(load_err.clone());
 803        } else {
 804            self.thread_state =
 805                ThreadState::LoadError(LoadError::Other(format!("{:#}", err).into()))
 806        }
 807        if self.message_editor.focus_handle(cx).is_focused(window) {
 808            self.focus_handle.focus(window, cx)
 809        }
 810        cx.notify();
 811    }
 812
 813    fn handle_agent_servers_updated(
 814        &mut self,
 815        _agent_server_store: &Entity<project::AgentServerStore>,
 816        _event: &project::AgentServersUpdated,
 817        window: &mut Window,
 818        cx: &mut Context<Self>,
 819    ) {
 820        // If we're in a LoadError state OR have a thread_error set (which can happen
 821        // when agent.connect() fails during loading), retry loading the thread.
 822        // This handles the case where a thread is restored before authentication completes.
 823        let should_retry =
 824            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 825
 826        if should_retry {
 827            self.thread_error = None;
 828            self.thread_error_markdown = None;
 829            self.reset(window, cx);
 830        }
 831    }
 832
 833    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 834        &self.workspace
 835    }
 836
 837    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 838        match &self.thread_state {
 839            ThreadState::Ready { thread, .. } => Some(thread),
 840            ThreadState::Unauthenticated { .. }
 841            | ThreadState::Loading { .. }
 842            | ThreadState::LoadError { .. } => None,
 843        }
 844    }
 845
 846    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 847        match &self.thread_state {
 848            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 849            ThreadState::Unauthenticated { .. }
 850            | ThreadState::Loading { .. }
 851            | ThreadState::LoadError { .. } => None,
 852        }
 853    }
 854
 855    pub fn title(&self, cx: &App) -> SharedString {
 856        match &self.thread_state {
 857            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 858            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 859            ThreadState::LoadError(error) => match error {
 860                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 861                LoadError::FailedToInstall(_) => {
 862                    format!("Failed to Install {}", self.agent.name()).into()
 863                }
 864                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 865                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 866            },
 867        }
 868    }
 869
 870    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 871        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 872            title_editor.clone()
 873        } else {
 874            None
 875        }
 876    }
 877
 878    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 879        self.thread_error.take();
 880        self.thread_retry_status.take();
 881
 882        if let Some(thread) = self.thread() {
 883            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 884        }
 885    }
 886
 887    pub fn expand_message_editor(
 888        &mut self,
 889        _: &ExpandMessageEditor,
 890        _window: &mut Window,
 891        cx: &mut Context<Self>,
 892    ) {
 893        self.set_editor_is_expanded(!self.editor_expanded, cx);
 894        cx.stop_propagation();
 895        cx.notify();
 896    }
 897
 898    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 899        self.editor_expanded = is_expanded;
 900        self.message_editor.update(cx, |editor, cx| {
 901            if is_expanded {
 902                editor.set_mode(
 903                    EditorMode::Full {
 904                        scale_ui_elements_with_buffer_font_size: false,
 905                        show_active_line_background: false,
 906                        sizing_behavior: SizingBehavior::ExcludeOverscrollMargin,
 907                    },
 908                    cx,
 909                )
 910            } else {
 911                let agent_settings = AgentSettings::get_global(cx);
 912                editor.set_mode(
 913                    EditorMode::AutoHeight {
 914                        min_lines: agent_settings.message_editor_min_lines,
 915                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 916                    },
 917                    cx,
 918                )
 919            }
 920        });
 921        cx.notify();
 922    }
 923
 924    pub fn handle_title_editor_event(
 925        &mut self,
 926        title_editor: &Entity<Editor>,
 927        event: &EditorEvent,
 928        window: &mut Window,
 929        cx: &mut Context<Self>,
 930    ) {
 931        let Some(thread) = self.thread() else { return };
 932
 933        match event {
 934            EditorEvent::BufferEdited => {
 935                let new_title = title_editor.read(cx).text(cx);
 936                thread.update(cx, |thread, cx| {
 937                    thread
 938                        .set_title(new_title.into(), cx)
 939                        .detach_and_log_err(cx);
 940                })
 941            }
 942            EditorEvent::Blurred => {
 943                if title_editor.read(cx).text(cx).is_empty() {
 944                    title_editor.update(cx, |editor, cx| {
 945                        editor.set_text("New Thread", window, cx);
 946                    });
 947                }
 948            }
 949            _ => {}
 950        }
 951    }
 952
 953    pub fn handle_message_editor_event(
 954        &mut self,
 955        _: &Entity<MessageEditor>,
 956        event: &MessageEditorEvent,
 957        window: &mut Window,
 958        cx: &mut Context<Self>,
 959    ) {
 960        match event {
 961            MessageEditorEvent::Send => self.send(window, cx),
 962            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 963            MessageEditorEvent::Focus => {
 964                self.cancel_editing(&Default::default(), window, cx);
 965            }
 966            MessageEditorEvent::LostFocus => {}
 967        }
 968    }
 969
 970    pub fn handle_entry_view_event(
 971        &mut self,
 972        _: &Entity<EntryViewState>,
 973        event: &EntryViewEvent,
 974        window: &mut Window,
 975        cx: &mut Context<Self>,
 976    ) {
 977        match &event.view_event {
 978            ViewEvent::NewDiff(tool_call_id) => {
 979                if AgentSettings::get_global(cx).expand_edit_card {
 980                    self.expanded_tool_calls.insert(tool_call_id.clone());
 981                }
 982            }
 983            ViewEvent::NewTerminal(tool_call_id) => {
 984                if AgentSettings::get_global(cx).expand_terminal_card {
 985                    self.expanded_tool_calls.insert(tool_call_id.clone());
 986                }
 987            }
 988            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 989                self.expanded_tool_calls.remove(tool_call_id);
 990            }
 991            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 992                if let Some(thread) = self.thread()
 993                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 994                        thread.read(cx).entries().get(event.entry_index)
 995                    && user_message.id.is_some()
 996                {
 997                    self.editing_message = Some(event.entry_index);
 998                    cx.notify();
 999                }
1000            }
1001            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
1002                if let Some(thread) = self.thread()
1003                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
1004                        thread.read(cx).entries().get(event.entry_index)
1005                    && user_message.id.is_some()
1006                {
1007                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
1008                        self.editing_message = None;
1009                        cx.notify();
1010                    }
1011                }
1012            }
1013            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
1014                self.regenerate(event.entry_index, editor.clone(), window, cx);
1015            }
1016            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
1017                self.cancel_editing(&Default::default(), window, cx);
1018            }
1019        }
1020    }
1021
1022    pub fn is_loading(&self) -> bool {
1023        matches!(self.thread_state, ThreadState::Loading { .. })
1024    }
1025
1026    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1027        self.thread_error.take();
1028        let Some(thread) = self.thread() else {
1029            return;
1030        };
1031        if !thread.read(cx).can_resume(cx) {
1032            return;
1033        }
1034
1035        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1036        cx.spawn(async move |this, cx| {
1037            let result = task.await;
1038
1039            this.update(cx, |this, cx| {
1040                if let Err(err) = result {
1041                    this.handle_thread_error(err, cx);
1042                }
1043            })
1044        })
1045        .detach();
1046    }
1047
1048    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1049        let Some(thread) = self.thread() else { return };
1050
1051        if self.is_loading_contents {
1052            return;
1053        }
1054
1055        self.history_store.update(cx, |history, cx| {
1056            history.push_recently_opened_entry(
1057                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1058                cx,
1059            );
1060        });
1061
1062        if thread.read(cx).status() != ThreadStatus::Idle {
1063            self.stop_current_and_send_new_message(window, cx);
1064            return;
1065        }
1066
1067        let text = self.message_editor.read(cx).text(cx);
1068        let text = text.trim();
1069        if text == "/login" || text == "/logout" {
1070            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1071                return;
1072            };
1073
1074            let connection = thread.read(cx).connection().clone();
1075            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1076            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1077            let logout_supported = text == "/logout"
1078                && self
1079                    .available_commands
1080                    .borrow()
1081                    .iter()
1082                    .any(|command| command.name == "logout");
1083            if can_login && !logout_supported {
1084                self.message_editor
1085                    .update(cx, |editor, cx| editor.clear(window, cx));
1086
1087                let this = cx.weak_entity();
1088                let agent = self.agent.clone();
1089                window.defer(cx, |window, cx| {
1090                    Self::handle_auth_required(
1091                        this,
1092                        AuthRequired::new(),
1093                        agent,
1094                        connection,
1095                        window,
1096                        cx,
1097                    );
1098                });
1099                cx.notify();
1100                return;
1101            }
1102        }
1103
1104        self.send_impl(self.message_editor.clone(), window, cx)
1105    }
1106
1107    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1108        let Some(thread) = self.thread().cloned() else {
1109            return;
1110        };
1111
1112        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1113
1114        cx.spawn_in(window, async move |this, cx| {
1115            cancelled.await;
1116
1117            this.update_in(cx, |this, window, cx| {
1118                this.send_impl(this.message_editor.clone(), window, cx);
1119            })
1120            .ok();
1121        })
1122        .detach();
1123    }
1124
1125    fn send_impl(
1126        &mut self,
1127        message_editor: Entity<MessageEditor>,
1128        window: &mut Window,
1129        cx: &mut Context<Self>,
1130    ) {
1131        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1132            // Include full contents when using minimal profile
1133            let thread = thread.read(cx);
1134            AgentSettings::get_global(cx)
1135                .profiles
1136                .get(thread.profile())
1137                .is_some_and(|profile| profile.tools.is_empty())
1138        });
1139
1140        let contents = message_editor.update(cx, |message_editor, cx| {
1141            message_editor.contents(full_mention_content, cx)
1142        });
1143
1144        self.thread_error.take();
1145        self.editing_message.take();
1146        self.thread_feedback.clear();
1147
1148        let Some(thread) = self.thread() else {
1149            return;
1150        };
1151        let session_id = thread.read(cx).session_id().clone();
1152        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
1153        let thread = thread.downgrade();
1154        if self.should_be_following {
1155            self.workspace
1156                .update(cx, |workspace, cx| {
1157                    workspace.follow(CollaboratorId::Agent, window, cx);
1158                })
1159                .ok();
1160        }
1161
1162        self.is_loading_contents = true;
1163        let model_id = self.current_model_id(cx);
1164        let mode_id = self.current_mode_id(cx);
1165        let guard = cx.new(|_| ());
1166        cx.observe_release(&guard, |this, _guard, cx| {
1167            this.is_loading_contents = false;
1168            cx.notify();
1169        })
1170        .detach();
1171
1172        let task = cx.spawn_in(window, async move |this, cx| {
1173            let (contents, tracked_buffers) = contents.await?;
1174
1175            if contents.is_empty() {
1176                return Ok(());
1177            }
1178
1179            this.update_in(cx, |this, window, cx| {
1180                this.in_flight_prompt = Some(contents.clone());
1181                this.set_editor_is_expanded(false, cx);
1182                this.scroll_to_bottom(cx);
1183                this.message_editor.update(cx, |message_editor, cx| {
1184                    message_editor.clear(window, cx);
1185                });
1186            })?;
1187            let turn_start_time = Instant::now();
1188            let send = thread.update(cx, |thread, cx| {
1189                thread.action_log().update(cx, |action_log, cx| {
1190                    for buffer in tracked_buffers {
1191                        action_log.buffer_read(buffer, cx)
1192                    }
1193                });
1194                drop(guard);
1195
1196                telemetry::event!(
1197                    "Agent Message Sent",
1198                    agent = agent_telemetry_id,
1199                    session = session_id,
1200                    model = model_id,
1201                    mode = mode_id
1202                );
1203
1204                thread.send(contents, cx)
1205            })?;
1206            let res = send.await;
1207            let turn_time_ms = turn_start_time.elapsed().as_millis();
1208            let status = if res.is_ok() {
1209                this.update(cx, |this, _| this.in_flight_prompt.take()).ok();
1210                "success"
1211            } else {
1212                "failure"
1213            };
1214            telemetry::event!(
1215                "Agent Turn Completed",
1216                agent = agent_telemetry_id,
1217                session = session_id,
1218                model = model_id,
1219                mode = mode_id,
1220                status,
1221                turn_time_ms,
1222            );
1223            res
1224        });
1225
1226        cx.spawn(async move |this, cx| {
1227            if let Err(err) = task.await {
1228                this.update(cx, |this, cx| {
1229                    this.handle_thread_error(err, cx);
1230                })
1231                .ok();
1232            } else {
1233                this.update(cx, |this, cx| {
1234                    this.should_be_following = this
1235                        .workspace
1236                        .update(cx, |workspace, _| {
1237                            workspace.is_being_followed(CollaboratorId::Agent)
1238                        })
1239                        .unwrap_or_default();
1240                })
1241                .ok();
1242            }
1243        })
1244        .detach();
1245    }
1246
1247    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1248        let Some(thread) = self.thread().cloned() else {
1249            return;
1250        };
1251
1252        if let Some(index) = self.editing_message.take()
1253            && let Some(editor) = self
1254                .entry_view_state
1255                .read(cx)
1256                .entry(index)
1257                .and_then(|e| e.message_editor())
1258                .cloned()
1259        {
1260            editor.update(cx, |editor, cx| {
1261                if let Some(user_message) = thread
1262                    .read(cx)
1263                    .entries()
1264                    .get(index)
1265                    .and_then(|e| e.user_message())
1266                {
1267                    editor.set_message(user_message.chunks.clone(), window, cx);
1268                }
1269            })
1270        };
1271        self.focus_handle(cx).focus(window, cx);
1272        cx.notify();
1273    }
1274
1275    fn regenerate(
1276        &mut self,
1277        entry_ix: usize,
1278        message_editor: Entity<MessageEditor>,
1279        window: &mut Window,
1280        cx: &mut Context<Self>,
1281    ) {
1282        let Some(thread) = self.thread().cloned() else {
1283            return;
1284        };
1285        if self.is_loading_contents {
1286            return;
1287        }
1288
1289        let Some(user_message_id) = thread.update(cx, |thread, _| {
1290            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1291        }) else {
1292            return;
1293        };
1294
1295        cx.spawn_in(window, async move |this, cx| {
1296            // Check if there are any edits from prompts before the one being regenerated.
1297            //
1298            // If there are, we keep/accept them since we're not regenerating the prompt that created them.
1299            //
1300            // If editing the prompt that generated the edits, they are auto-rejected
1301            // through the `rewind` function in the `acp_thread`.
1302            let has_earlier_edits = thread.read_with(cx, |thread, _| {
1303                thread
1304                    .entries()
1305                    .iter()
1306                    .take(entry_ix)
1307                    .any(|entry| entry.diffs().next().is_some())
1308            })?;
1309
1310            if has_earlier_edits {
1311                thread.update(cx, |thread, cx| {
1312                    thread.action_log().update(cx, |action_log, cx| {
1313                        action_log.keep_all_edits(None, cx);
1314                    });
1315                })?;
1316            }
1317
1318            thread
1319                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1320                .await?;
1321            this.update_in(cx, |this, window, cx| {
1322                this.send_impl(message_editor, window, cx);
1323                this.focus_handle(cx).focus(window, cx);
1324            })?;
1325            anyhow::Ok(())
1326        })
1327        .detach_and_log_err(cx);
1328    }
1329
1330    fn open_edited_buffer(
1331        &mut self,
1332        buffer: &Entity<Buffer>,
1333        window: &mut Window,
1334        cx: &mut Context<Self>,
1335    ) {
1336        let Some(thread) = self.thread() else {
1337            return;
1338        };
1339
1340        let Some(diff) =
1341            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1342        else {
1343            return;
1344        };
1345
1346        diff.update(cx, |diff, cx| {
1347            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1348        })
1349    }
1350
1351    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1352        let Some(thread) = self.as_native_thread(cx) else {
1353            return;
1354        };
1355        let project_context = thread.read(cx).project_context().read(cx);
1356
1357        let project_entry_ids = project_context
1358            .worktrees
1359            .iter()
1360            .flat_map(|worktree| worktree.rules_file.as_ref())
1361            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1362            .collect::<Vec<_>>();
1363
1364        self.workspace
1365            .update(cx, move |workspace, cx| {
1366                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1367                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1368                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1369                let project = workspace.project().read(cx);
1370                let project_paths = project_entry_ids
1371                    .into_iter()
1372                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1373                    .collect::<Vec<_>>();
1374                for project_path in project_paths {
1375                    workspace
1376                        .open_path(project_path, None, true, window, cx)
1377                        .detach_and_log_err(cx);
1378                }
1379            })
1380            .ok();
1381    }
1382
1383    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1384        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1385        cx.notify();
1386    }
1387
1388    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1389        self.thread_error = None;
1390        self.thread_error_markdown = None;
1391        cx.notify();
1392    }
1393
1394    fn handle_thread_event(
1395        &mut self,
1396        thread: &Entity<AcpThread>,
1397        event: &AcpThreadEvent,
1398        window: &mut Window,
1399        cx: &mut Context<Self>,
1400    ) {
1401        match event {
1402            AcpThreadEvent::NewEntry => {
1403                let len = thread.read(cx).entries().len();
1404                let index = len - 1;
1405                self.entry_view_state.update(cx, |view_state, cx| {
1406                    view_state.sync_entry(index, thread, window, cx);
1407                    self.list_state.splice_focusable(
1408                        index..index,
1409                        [view_state
1410                            .entry(index)
1411                            .and_then(|entry| entry.focus_handle(cx))],
1412                    );
1413                });
1414            }
1415            AcpThreadEvent::EntryUpdated(index) => {
1416                self.entry_view_state.update(cx, |view_state, cx| {
1417                    view_state.sync_entry(*index, thread, window, cx)
1418                });
1419            }
1420            AcpThreadEvent::EntriesRemoved(range) => {
1421                self.entry_view_state
1422                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1423                self.list_state.splice(range.clone(), 0);
1424            }
1425            AcpThreadEvent::ToolAuthorizationRequired => {
1426                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1427            }
1428            AcpThreadEvent::Retry(retry) => {
1429                self.thread_retry_status = Some(retry.clone());
1430            }
1431            AcpThreadEvent::Stopped => {
1432                self.thread_retry_status.take();
1433                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1434                self.notify_with_sound(
1435                    if used_tools {
1436                        "Finished running tools"
1437                    } else {
1438                        "New message"
1439                    },
1440                    IconName::ZedAssistant,
1441                    window,
1442                    cx,
1443                );
1444            }
1445            AcpThreadEvent::Refusal => {
1446                self.thread_retry_status.take();
1447                self.thread_error = Some(ThreadError::Refusal);
1448                let model_or_agent_name = self.current_model_name(cx);
1449                let notification_message =
1450                    format!("{} refused to respond to this request", model_or_agent_name);
1451                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1452            }
1453            AcpThreadEvent::Error => {
1454                self.thread_retry_status.take();
1455                self.notify_with_sound(
1456                    "Agent stopped due to an error",
1457                    IconName::Warning,
1458                    window,
1459                    cx,
1460                );
1461            }
1462            AcpThreadEvent::LoadError(error) => {
1463                self.thread_retry_status.take();
1464                self.thread_state = ThreadState::LoadError(error.clone());
1465                if self.message_editor.focus_handle(cx).is_focused(window) {
1466                    self.focus_handle.focus(window, cx)
1467                }
1468            }
1469            AcpThreadEvent::TitleUpdated => {
1470                let title = thread.read(cx).title();
1471                if let Some(title_editor) = self.title_editor() {
1472                    title_editor.update(cx, |editor, cx| {
1473                        if editor.text(cx) != title {
1474                            editor.set_text(title, window, cx);
1475                        }
1476                    });
1477                }
1478            }
1479            AcpThreadEvent::PromptCapabilitiesUpdated => {
1480                self.prompt_capabilities
1481                    .replace(thread.read(cx).prompt_capabilities());
1482            }
1483            AcpThreadEvent::TokenUsageUpdated => {}
1484            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1485                let mut available_commands = available_commands.clone();
1486
1487                if thread
1488                    .read(cx)
1489                    .connection()
1490                    .auth_methods()
1491                    .iter()
1492                    .any(|method| method.id.0.as_ref() == "claude-login")
1493                {
1494                    available_commands.push(acp::AvailableCommand::new("login", "Authenticate"));
1495                    available_commands.push(acp::AvailableCommand::new("logout", "Authenticate"));
1496                }
1497
1498                let has_commands = !available_commands.is_empty();
1499                self.available_commands.replace(available_commands);
1500
1501                let new_placeholder = placeholder_text(self.agent.name().as_ref(), has_commands);
1502
1503                self.message_editor.update(cx, |editor, cx| {
1504                    editor.set_placeholder_text(&new_placeholder, window, cx);
1505                });
1506            }
1507            AcpThreadEvent::ModeUpdated(_mode) => {
1508                // The connection keeps track of the mode
1509                cx.notify();
1510            }
1511        }
1512        cx.notify();
1513    }
1514
1515    fn authenticate(
1516        &mut self,
1517        method: acp::AuthMethodId,
1518        window: &mut Window,
1519        cx: &mut Context<Self>,
1520    ) {
1521        let ThreadState::Unauthenticated {
1522            connection,
1523            pending_auth_method,
1524            configuration_view,
1525            ..
1526        } = &mut self.thread_state
1527        else {
1528            return;
1529        };
1530        let agent_telemetry_id = connection.telemetry_id();
1531
1532        // Check for the experimental "terminal-auth" _meta field
1533        let auth_method = connection.auth_methods().iter().find(|m| m.id == method);
1534
1535        if let Some(auth_method) = auth_method {
1536            if let Some(meta) = &auth_method.meta {
1537                if let Some(terminal_auth) = meta.get("terminal-auth") {
1538                    // Extract terminal auth details from meta
1539                    if let (Some(command), Some(label)) = (
1540                        terminal_auth.get("command").and_then(|v| v.as_str()),
1541                        terminal_auth.get("label").and_then(|v| v.as_str()),
1542                    ) {
1543                        let args = terminal_auth
1544                            .get("args")
1545                            .and_then(|v| v.as_array())
1546                            .map(|arr| {
1547                                arr.iter()
1548                                    .filter_map(|v| v.as_str().map(String::from))
1549                                    .collect()
1550                            })
1551                            .unwrap_or_default();
1552
1553                        let env = terminal_auth
1554                            .get("env")
1555                            .and_then(|v| v.as_object())
1556                            .map(|obj| {
1557                                obj.iter()
1558                                    .filter_map(|(k, v)| {
1559                                        v.as_str().map(|val| (k.clone(), val.to_string()))
1560                                    })
1561                                    .collect::<HashMap<String, String>>()
1562                            })
1563                            .unwrap_or_default();
1564
1565                        // Run SpawnInTerminal in the same dir as the ACP server
1566                        let cwd = connection
1567                            .clone()
1568                            .downcast::<agent_servers::AcpConnection>()
1569                            .map(|acp_conn| acp_conn.root_dir().to_path_buf());
1570
1571                        // Build SpawnInTerminal from _meta
1572                        let login = task::SpawnInTerminal {
1573                            id: task::TaskId(format!("external-agent-{}-login", label)),
1574                            full_label: label.to_string(),
1575                            label: label.to_string(),
1576                            command: Some(command.to_string()),
1577                            args,
1578                            command_label: label.to_string(),
1579                            cwd,
1580                            env,
1581                            use_new_terminal: true,
1582                            allow_concurrent_runs: true,
1583                            hide: task::HideStrategy::Always,
1584                            ..Default::default()
1585                        };
1586
1587                        self.thread_error.take();
1588                        configuration_view.take();
1589                        pending_auth_method.replace(method.clone());
1590
1591                        if let Some(workspace) = self.workspace.upgrade() {
1592                            let project = self.project.clone();
1593                            let authenticate = Self::spawn_external_agent_login(
1594                                login, workspace, project, false, true, window, cx,
1595                            );
1596                            cx.notify();
1597                            self.auth_task = Some(cx.spawn_in(window, {
1598                                async move |this, cx| {
1599                                    let result = authenticate.await;
1600
1601                                    match &result {
1602                                        Ok(_) => telemetry::event!(
1603                                            "Authenticate Agent Succeeded",
1604                                            agent = agent_telemetry_id
1605                                        ),
1606                                        Err(_) => {
1607                                            telemetry::event!(
1608                                                "Authenticate Agent Failed",
1609                                                agent = agent_telemetry_id,
1610                                            )
1611                                        }
1612                                    }
1613
1614                                    this.update_in(cx, |this, window, cx| {
1615                                        if let Err(err) = result {
1616                                            if let ThreadState::Unauthenticated {
1617                                                pending_auth_method,
1618                                                ..
1619                                            } = &mut this.thread_state
1620                                            {
1621                                                pending_auth_method.take();
1622                                            }
1623                                            this.handle_thread_error(err, cx);
1624                                        } else {
1625                                            this.reset(window, cx);
1626                                        }
1627                                        this.auth_task.take()
1628                                    })
1629                                    .ok();
1630                                }
1631                            }));
1632                        }
1633                        return;
1634                    }
1635                }
1636            }
1637        }
1638
1639        if method.0.as_ref() == "gemini-api-key" {
1640            let registry = LanguageModelRegistry::global(cx);
1641            let provider = registry
1642                .read(cx)
1643                .provider(&language_model::GOOGLE_PROVIDER_ID)
1644                .unwrap();
1645            if !provider.is_authenticated(cx) {
1646                let this = cx.weak_entity();
1647                let agent = self.agent.clone();
1648                let connection = connection.clone();
1649                window.defer(cx, |window, cx| {
1650                    Self::handle_auth_required(
1651                        this,
1652                        AuthRequired {
1653                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1654                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1655                        },
1656                        agent,
1657                        connection,
1658                        window,
1659                        cx,
1660                    );
1661                });
1662                return;
1663            }
1664        } else if method.0.as_ref() == "vertex-ai"
1665            && std::env::var("GOOGLE_API_KEY").is_err()
1666            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1667                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1668        {
1669            let this = cx.weak_entity();
1670            let agent = self.agent.clone();
1671            let connection = connection.clone();
1672
1673            window.defer(cx, |window, cx| {
1674                    Self::handle_auth_required(
1675                        this,
1676                        AuthRequired {
1677                            description: Some(
1678                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1679                                    .to_owned(),
1680                            ),
1681                            provider_id: None,
1682                        },
1683                        agent,
1684                        connection,
1685                        window,
1686                        cx,
1687                    )
1688                });
1689            return;
1690        }
1691
1692        self.thread_error.take();
1693        configuration_view.take();
1694        pending_auth_method.replace(method.clone());
1695        let authenticate = if (method.0.as_ref() == "claude-login"
1696            || method.0.as_ref() == "spawn-gemini-cli")
1697            && let Some(login) = self.login.clone()
1698        {
1699            if let Some(workspace) = self.workspace.upgrade() {
1700                let project = self.project.clone();
1701                Self::spawn_external_agent_login(
1702                    login, workspace, project, false, false, window, cx,
1703                )
1704            } else {
1705                Task::ready(Ok(()))
1706            }
1707        } else {
1708            connection.authenticate(method, cx)
1709        };
1710        cx.notify();
1711        self.auth_task = Some(cx.spawn_in(window, {
1712            async move |this, cx| {
1713                let result = authenticate.await;
1714
1715                match &result {
1716                    Ok(_) => telemetry::event!(
1717                        "Authenticate Agent Succeeded",
1718                        agent = agent_telemetry_id
1719                    ),
1720                    Err(_) => {
1721                        telemetry::event!("Authenticate Agent Failed", agent = agent_telemetry_id,)
1722                    }
1723                }
1724
1725                this.update_in(cx, |this, window, cx| {
1726                    if let Err(err) = result {
1727                        if let ThreadState::Unauthenticated {
1728                            pending_auth_method,
1729                            ..
1730                        } = &mut this.thread_state
1731                        {
1732                            pending_auth_method.take();
1733                        }
1734                        this.handle_thread_error(err, cx);
1735                    } else {
1736                        this.reset(window, cx);
1737                    }
1738                    this.auth_task.take()
1739                })
1740                .ok();
1741            }
1742        }));
1743    }
1744
1745    fn spawn_external_agent_login(
1746        login: task::SpawnInTerminal,
1747        workspace: Entity<Workspace>,
1748        project: Entity<Project>,
1749        previous_attempt: bool,
1750        check_exit_code: bool,
1751        window: &mut Window,
1752        cx: &mut App,
1753    ) -> Task<Result<()>> {
1754        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1755            return Task::ready(Ok(()));
1756        };
1757
1758        window.spawn(cx, async move |cx| {
1759            let mut task = login.clone();
1760            if let Some(cmd) = &task.command {
1761                // Have "node" command use Zed's managed Node runtime by default
1762                if cmd == "node" {
1763                    let resolved_node_runtime = project
1764                        .update(cx, |project, cx| {
1765                            let agent_server_store = project.agent_server_store().clone();
1766                            agent_server_store.update(cx, |store, cx| {
1767                                store.node_runtime().map(|node_runtime| {
1768                                    cx.background_spawn(async move {
1769                                        node_runtime.binary_path().await
1770                                    })
1771                                })
1772                            })
1773                        });
1774
1775                    if let Ok(Some(resolve_task)) = resolved_node_runtime {
1776                        if let Ok(node_path) = resolve_task.await {
1777                            task.command = Some(node_path.to_string_lossy().to_string());
1778                        }
1779                    }
1780                }
1781            }
1782            task.shell = task::Shell::WithArguments {
1783                program: task.command.take().expect("login command should be set"),
1784                args: std::mem::take(&mut task.args),
1785                title_override: None
1786            };
1787            task.full_label = task.label.clone();
1788            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1789            task.command_label = task.label.clone();
1790            task.use_new_terminal = true;
1791            task.allow_concurrent_runs = true;
1792            task.hide = task::HideStrategy::Always;
1793
1794            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1795                terminal_panel.spawn_task(&task, window, cx)
1796            })?;
1797
1798            let terminal = terminal.await?;
1799
1800            if check_exit_code {
1801                // For extension-based auth, wait for the process to exit and check exit code
1802                let exit_status = terminal
1803                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1804                    .await;
1805
1806                match exit_status {
1807                    Some(status) if status.success() => {
1808                        Ok(())
1809                    }
1810                    Some(status) => {
1811                        Err(anyhow!("Login command failed with exit code: {:?}", status.code()))
1812                    }
1813                    None => {
1814                        Err(anyhow!("Login command terminated without exit status"))
1815                    }
1816                }
1817            } else {
1818                // For hardcoded agents (claude-login, gemini-cli): look for specific output
1819                let mut exit_status = terminal
1820                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1821                    .fuse();
1822
1823                let logged_in = cx
1824                    .spawn({
1825                        let terminal = terminal.clone();
1826                        async move |cx| {
1827                            loop {
1828                                cx.background_executor().timer(Duration::from_secs(1)).await;
1829                                let content =
1830                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1831                                if content.contains("Login successful")
1832                                    || content.contains("Type your message")
1833                                {
1834                                    return anyhow::Ok(());
1835                                }
1836                            }
1837                        }
1838                    })
1839                    .fuse();
1840                futures::pin_mut!(logged_in);
1841                futures::select_biased! {
1842                    result = logged_in => {
1843                        if let Err(e) = result {
1844                            log::error!("{e}");
1845                            return Err(anyhow!("exited before logging in"));
1846                        }
1847                    }
1848                    _ = exit_status => {
1849                        if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1850                            return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, project.clone(), true, false, window, cx))?.await
1851                        }
1852                        return Err(anyhow!("exited before logging in"));
1853                    }
1854                }
1855                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1856                Ok(())
1857            }
1858        })
1859    }
1860
1861    pub fn has_user_submitted_prompt(&self, cx: &App) -> bool {
1862        self.thread().is_some_and(|thread| {
1863            thread.read(cx).entries().iter().any(|entry| {
1864                matches!(
1865                    entry,
1866                    AgentThreadEntry::UserMessage(user_message) if user_message.id.is_some()
1867                )
1868            })
1869        })
1870    }
1871
1872    fn authorize_tool_call(
1873        &mut self,
1874        tool_call_id: acp::ToolCallId,
1875        option_id: acp::PermissionOptionId,
1876        option_kind: acp::PermissionOptionKind,
1877        window: &mut Window,
1878        cx: &mut Context<Self>,
1879    ) {
1880        let Some(thread) = self.thread() else {
1881            return;
1882        };
1883        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
1884
1885        telemetry::event!(
1886            "Agent Tool Call Authorized",
1887            agent = agent_telemetry_id,
1888            session = thread.read(cx).session_id(),
1889            option = option_kind
1890        );
1891
1892        thread.update(cx, |thread, cx| {
1893            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1894        });
1895        if self.should_be_following {
1896            self.workspace
1897                .update(cx, |workspace, cx| {
1898                    workspace.follow(CollaboratorId::Agent, window, cx);
1899                })
1900                .ok();
1901        }
1902        cx.notify();
1903    }
1904
1905    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1906        let Some(thread) = self.thread() else {
1907            return;
1908        };
1909
1910        thread
1911            .update(cx, |thread, cx| {
1912                thread.restore_checkpoint(message_id.clone(), cx)
1913            })
1914            .detach_and_log_err(cx);
1915    }
1916
1917    fn render_entry(
1918        &self,
1919        entry_ix: usize,
1920        total_entries: usize,
1921        entry: &AgentThreadEntry,
1922        window: &mut Window,
1923        cx: &Context<Self>,
1924    ) -> AnyElement {
1925        let is_indented = entry.is_indented();
1926        let is_first_indented = is_indented
1927            && self.thread().is_some_and(|thread| {
1928                thread
1929                    .read(cx)
1930                    .entries()
1931                    .get(entry_ix.saturating_sub(1))
1932                    .is_none_or(|entry| !entry.is_indented())
1933            });
1934
1935        let primary = match &entry {
1936            AgentThreadEntry::UserMessage(message) => {
1937                let Some(editor) = self
1938                    .entry_view_state
1939                    .read(cx)
1940                    .entry(entry_ix)
1941                    .and_then(|entry| entry.message_editor())
1942                    .cloned()
1943                else {
1944                    return Empty.into_any_element();
1945                };
1946
1947                let editing = self.editing_message == Some(entry_ix);
1948                let editor_focus = editor.focus_handle(cx).is_focused(window);
1949                let focus_border = cx.theme().colors().border_focused;
1950
1951                let rules_item = if entry_ix == 0 {
1952                    self.render_rules_item(cx)
1953                } else {
1954                    None
1955                };
1956
1957                let has_checkpoint_button = message
1958                    .checkpoint
1959                    .as_ref()
1960                    .is_some_and(|checkpoint| checkpoint.show);
1961
1962                let agent_name = self.agent.name();
1963
1964                v_flex()
1965                    .id(("user_message", entry_ix))
1966                    .map(|this| {
1967                        if is_first_indented {
1968                            this.pt_0p5()
1969                        } else if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1970                            this.pt(rems_from_px(18.))
1971                        } else if rules_item.is_some() {
1972                            this.pt_3()
1973                        } else {
1974                            this.pt_2()
1975                        }
1976                    })
1977                    .pb_3()
1978                    .px_2()
1979                    .gap_1p5()
1980                    .w_full()
1981                    .children(rules_item)
1982                    .children(message.id.clone().and_then(|message_id| {
1983                        message.checkpoint.as_ref()?.show.then(|| {
1984                            h_flex()
1985                                .px_3()
1986                                .gap_2()
1987                                .child(Divider::horizontal())
1988                                .child(
1989                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1990                                        .icon(IconName::Undo)
1991                                        .icon_size(IconSize::XSmall)
1992                                        .icon_position(IconPosition::Start)
1993                                        .label_size(LabelSize::XSmall)
1994                                        .icon_color(Color::Muted)
1995                                        .color(Color::Muted)
1996                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1997                                        .on_click(cx.listener(move |this, _, _window, cx| {
1998                                            this.restore_checkpoint(&message_id, cx);
1999                                        }))
2000                                )
2001                                .child(Divider::horizontal())
2002                        })
2003                    }))
2004                    .child(
2005                        div()
2006                            .relative()
2007                            .child(
2008                                div()
2009                                    .py_3()
2010                                    .px_2()
2011                                    .rounded_md()
2012                                    .shadow_md()
2013                                    .bg(cx.theme().colors().editor_background)
2014                                    .border_1()
2015                                    .when(is_indented, |this| {
2016                                        this.py_2().px_2().shadow_sm()
2017                                    })
2018                                    .when(editing && !editor_focus, |this| this.border_dashed())
2019                                    .border_color(cx.theme().colors().border)
2020                                    .map(|this|{
2021                                        if editing && editor_focus {
2022                                            this.border_color(focus_border)
2023                                        } else if message.id.is_some() {
2024                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
2025                                        } else {
2026                                            this
2027                                        }
2028                                    })
2029                                    .text_xs()
2030                                    .child(editor.clone().into_any_element()),
2031                            )
2032                            .when(editor_focus, |this| {
2033                                let base_container = h_flex()
2034                                    .absolute()
2035                                    .top_neg_3p5()
2036                                    .right_3()
2037                                    .gap_1()
2038                                    .rounded_sm()
2039                                    .border_1()
2040                                    .border_color(cx.theme().colors().border)
2041                                    .bg(cx.theme().colors().editor_background)
2042                                    .overflow_hidden();
2043
2044                                if message.id.is_some() {
2045                                    this.child(
2046                                        base_container
2047                                            .child(
2048                                                IconButton::new("cancel", IconName::Close)
2049                                                    .disabled(self.is_loading_contents)
2050                                                    .icon_color(Color::Error)
2051                                                    .icon_size(IconSize::XSmall)
2052                                                    .on_click(cx.listener(Self::cancel_editing))
2053                                            )
2054                                            .child(
2055                                                if self.is_loading_contents {
2056                                                    div()
2057                                                        .id("loading-edited-message-content")
2058                                                        .tooltip(Tooltip::text("Loading Added Context…"))
2059                                                        .child(loading_contents_spinner(IconSize::XSmall))
2060                                                        .into_any_element()
2061                                                } else {
2062                                                    IconButton::new("regenerate", IconName::Return)
2063                                                        .icon_color(Color::Muted)
2064                                                        .icon_size(IconSize::XSmall)
2065                                                        .tooltip(Tooltip::text(
2066                                                            "Editing will restart the thread from this point."
2067                                                        ))
2068                                                        .on_click(cx.listener({
2069                                                            let editor = editor.clone();
2070                                                            move |this, _, window, cx| {
2071                                                                this.regenerate(
2072                                                                    entry_ix, editor.clone(), window, cx,
2073                                                                );
2074                                                            }
2075                                                        })).into_any_element()
2076                                                }
2077                                            )
2078                                    )
2079                                } else {
2080                                    this.child(
2081                                        base_container
2082                                            .border_dashed()
2083                                            .child(
2084                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
2085                                                    .icon_size(IconSize::Small)
2086                                                    .icon_color(Color::Muted)
2087                                                    .style(ButtonStyle::Transparent)
2088                                                    .tooltip(Tooltip::element({
2089                                                        move |_, _| {
2090                                                            v_flex()
2091                                                                .gap_1()
2092                                                                .child(Label::new("Unavailable Editing")).child(
2093                                                                    div().max_w_64().child(
2094                                                                        Label::new(format!(
2095                                                                            "Editing previous messages is not available for {} yet.",
2096                                                                            agent_name.clone()
2097                                                                        ))
2098                                                                        .size(LabelSize::Small)
2099                                                                        .color(Color::Muted),
2100                                                                    ),
2101                                                                )
2102                                                                .into_any_element()
2103                                                        }
2104                                                    }))
2105                                            )
2106                                    )
2107                                }
2108                            }),
2109                    )
2110                    .into_any()
2111            }
2112            AgentThreadEntry::AssistantMessage(AssistantMessage {
2113                chunks,
2114                indented: _,
2115            }) => {
2116                let is_last = entry_ix + 1 == total_entries;
2117
2118                let style = default_markdown_style(false, false, window, cx);
2119                let message_body = v_flex()
2120                    .w_full()
2121                    .gap_3()
2122                    .children(chunks.iter().enumerate().filter_map(
2123                        |(chunk_ix, chunk)| match chunk {
2124                            AssistantMessageChunk::Message { block } => {
2125                                block.markdown().map(|md| {
2126                                    self.render_markdown(md.clone(), style.clone())
2127                                        .into_any_element()
2128                                })
2129                            }
2130                            AssistantMessageChunk::Thought { block } => {
2131                                block.markdown().map(|md| {
2132                                    self.render_thinking_block(
2133                                        entry_ix,
2134                                        chunk_ix,
2135                                        md.clone(),
2136                                        window,
2137                                        cx,
2138                                    )
2139                                    .into_any_element()
2140                                })
2141                            }
2142                        },
2143                    ))
2144                    .into_any();
2145
2146                v_flex()
2147                    .px_5()
2148                    .py_1p5()
2149                    .when(is_first_indented, |this| this.pt_0p5())
2150                    .when(is_last, |this| this.pb_4())
2151                    .w_full()
2152                    .text_ui(cx)
2153                    .child(message_body)
2154                    .into_any()
2155            }
2156            AgentThreadEntry::ToolCall(tool_call) => {
2157                let has_terminals = tool_call.terminals().next().is_some();
2158
2159                div()
2160                    .w_full()
2161                    .map(|this| {
2162                        if has_terminals {
2163                            this.children(tool_call.terminals().map(|terminal| {
2164                                self.render_terminal_tool_call(
2165                                    entry_ix, terminal, tool_call, window, cx,
2166                                )
2167                            }))
2168                        } else {
2169                            this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
2170                        }
2171                    })
2172                    .into_any()
2173            }
2174        };
2175
2176        let primary = if is_indented {
2177            let line_top = if is_first_indented {
2178                rems_from_px(-12.0)
2179            } else {
2180                rems_from_px(0.0)
2181            };
2182
2183            div()
2184                .relative()
2185                .w_full()
2186                .pl(rems_from_px(20.0))
2187                .bg(cx.theme().colors().panel_background.opacity(0.2))
2188                .child(
2189                    div()
2190                        .absolute()
2191                        .left(rems_from_px(18.0))
2192                        .top(line_top)
2193                        .bottom_0()
2194                        .w_px()
2195                        .bg(cx.theme().colors().border.opacity(0.6)),
2196                )
2197                .child(primary)
2198                .into_any_element()
2199        } else {
2200            primary
2201        };
2202
2203        let needs_confirmation = if let AgentThreadEntry::ToolCall(tool_call) = entry {
2204            matches!(
2205                tool_call.status,
2206                ToolCallStatus::WaitingForConfirmation { .. }
2207            )
2208        } else {
2209            false
2210        };
2211
2212        let Some(thread) = self.thread() else {
2213            return primary;
2214        };
2215
2216        let primary = if entry_ix == total_entries - 1 {
2217            v_flex()
2218                .w_full()
2219                .child(primary)
2220                .map(|this| {
2221                    if needs_confirmation {
2222                        this.child(self.render_generating(true))
2223                    } else {
2224                        this.child(self.render_thread_controls(&thread, cx))
2225                    }
2226                })
2227                .when_some(
2228                    self.thread_feedback.comments_editor.clone(),
2229                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
2230                )
2231                .into_any_element()
2232        } else {
2233            primary
2234        };
2235
2236        if let Some(editing_index) = self.editing_message.as_ref()
2237            && *editing_index < entry_ix
2238        {
2239            let backdrop = div()
2240                .id(("backdrop", entry_ix))
2241                .size_full()
2242                .absolute()
2243                .inset_0()
2244                .bg(cx.theme().colors().panel_background)
2245                .opacity(0.8)
2246                .block_mouse_except_scroll()
2247                .on_click(cx.listener(Self::cancel_editing));
2248
2249            div()
2250                .relative()
2251                .child(primary)
2252                .child(backdrop)
2253                .into_any_element()
2254        } else {
2255            primary
2256        }
2257    }
2258
2259    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2260        cx.theme()
2261            .colors()
2262            .element_background
2263            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2264    }
2265
2266    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2267        cx.theme().colors().border.opacity(0.8)
2268    }
2269
2270    fn tool_name_font_size(&self) -> Rems {
2271        rems_from_px(13.)
2272    }
2273
2274    fn render_thinking_block(
2275        &self,
2276        entry_ix: usize,
2277        chunk_ix: usize,
2278        chunk: Entity<Markdown>,
2279        window: &Window,
2280        cx: &Context<Self>,
2281    ) -> AnyElement {
2282        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2283        let card_header_id = SharedString::from("inner-card-header");
2284
2285        let key = (entry_ix, chunk_ix);
2286
2287        let is_open = self.expanded_thinking_blocks.contains(&key);
2288
2289        let scroll_handle = self
2290            .entry_view_state
2291            .read(cx)
2292            .entry(entry_ix)
2293            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2294
2295        let thinking_content = {
2296            div()
2297                .id(("thinking-content", chunk_ix))
2298                .when_some(scroll_handle, |this, scroll_handle| {
2299                    this.track_scroll(&scroll_handle)
2300                })
2301                .text_ui_sm(cx)
2302                .overflow_hidden()
2303                .child(
2304                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2305                )
2306        };
2307
2308        v_flex()
2309            .gap_1()
2310            .child(
2311                h_flex()
2312                    .id(header_id)
2313                    .group(&card_header_id)
2314                    .relative()
2315                    .w_full()
2316                    .pr_1()
2317                    .justify_between()
2318                    .child(
2319                        h_flex()
2320                            .h(window.line_height() - px(2.))
2321                            .gap_1p5()
2322                            .overflow_hidden()
2323                            .child(
2324                                Icon::new(IconName::ToolThink)
2325                                    .size(IconSize::Small)
2326                                    .color(Color::Muted),
2327                            )
2328                            .child(
2329                                div()
2330                                    .text_size(self.tool_name_font_size())
2331                                    .text_color(cx.theme().colors().text_muted)
2332                                    .child("Thinking"),
2333                            ),
2334                    )
2335                    .child(
2336                        Disclosure::new(("expand", entry_ix), is_open)
2337                            .opened_icon(IconName::ChevronUp)
2338                            .closed_icon(IconName::ChevronDown)
2339                            .visible_on_hover(&card_header_id)
2340                            .on_click(cx.listener({
2341                                move |this, _event, _window, cx| {
2342                                    if is_open {
2343                                        this.expanded_thinking_blocks.remove(&key);
2344                                    } else {
2345                                        this.expanded_thinking_blocks.insert(key);
2346                                    }
2347                                    cx.notify();
2348                                }
2349                            })),
2350                    )
2351                    .on_click(cx.listener({
2352                        move |this, _event, _window, cx| {
2353                            if is_open {
2354                                this.expanded_thinking_blocks.remove(&key);
2355                            } else {
2356                                this.expanded_thinking_blocks.insert(key);
2357                            }
2358                            cx.notify();
2359                        }
2360                    })),
2361            )
2362            .when(is_open, |this| {
2363                this.child(
2364                    div()
2365                        .ml_1p5()
2366                        .pl_3p5()
2367                        .border_l_1()
2368                        .border_color(self.tool_card_border_color(cx))
2369                        .child(thinking_content),
2370                )
2371            })
2372            .into_any_element()
2373    }
2374
2375    fn render_tool_call(
2376        &self,
2377        entry_ix: usize,
2378        tool_call: &ToolCall,
2379        window: &Window,
2380        cx: &Context<Self>,
2381    ) -> Div {
2382        let has_location = tool_call.locations.len() == 1;
2383        let card_header_id = SharedString::from("inner-tool-call-header");
2384
2385        let failed_or_canceled = match &tool_call.status {
2386            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2387            _ => false,
2388        };
2389
2390        let needs_confirmation = matches!(
2391            tool_call.status,
2392            ToolCallStatus::WaitingForConfirmation { .. }
2393        );
2394        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2395        let is_edit =
2396            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2397
2398        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2399
2400        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2401
2402        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2403        let input_output_header = |label: SharedString| {
2404            Label::new(label)
2405                .size(LabelSize::XSmall)
2406                .color(Color::Muted)
2407                .buffer_font(cx)
2408        };
2409
2410        let tool_output_display =
2411            if is_open {
2412                match &tool_call.status {
2413                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2414                        .w_full()
2415                        .children(tool_call.content.iter().enumerate().map(
2416                            |(content_ix, content)| {
2417                                div()
2418                                    .child(self.render_tool_call_content(
2419                                        entry_ix,
2420                                        content,
2421                                        content_ix,
2422                                        tool_call,
2423                                        use_card_layout,
2424                                        window,
2425                                        cx,
2426                                    ))
2427                                    .into_any_element()
2428                            },
2429                        ))
2430                        .child(self.render_permission_buttons(
2431                            tool_call.kind,
2432                            options,
2433                            entry_ix,
2434                            tool_call.id.clone(),
2435                            cx,
2436                        ))
2437                        .into_any(),
2438                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2439                        if is_edit
2440                            && tool_call.content.is_empty()
2441                            && self.as_native_connection(cx).is_some() =>
2442                    {
2443                        self.render_diff_loading(cx).into_any()
2444                    }
2445                    ToolCallStatus::Pending
2446                    | ToolCallStatus::InProgress
2447                    | ToolCallStatus::Completed
2448                    | ToolCallStatus::Failed
2449                    | ToolCallStatus::Canceled => v_flex()
2450                        .mt_1p5()
2451                        .w_full()
2452                        .child(
2453                            v_flex()
2454                                .ml(rems(0.4))
2455                                .px_3p5()
2456                                .pb_1()
2457                                .gap_1()
2458                                .border_l_1()
2459                                .border_color(self.tool_card_border_color(cx))
2460                                .child(input_output_header("Raw Input".into()))
2461                                .children(tool_call.raw_input_markdown.clone().map(|input| {
2462                                    self.render_markdown(
2463                                        input,
2464                                        default_markdown_style(false, false, window, cx),
2465                                    )
2466                                }))
2467                                .child(input_output_header("Output:".into())),
2468                        )
2469                        .children(tool_call.content.iter().enumerate().map(
2470                            |(content_ix, content)| {
2471                                div().child(self.render_tool_call_content(
2472                                    entry_ix,
2473                                    content,
2474                                    content_ix,
2475                                    tool_call,
2476                                    use_card_layout,
2477                                    window,
2478                                    cx,
2479                                ))
2480                            },
2481                        ))
2482                        .into_any(),
2483                    ToolCallStatus::Rejected => Empty.into_any(),
2484                }
2485                .into()
2486            } else {
2487                None
2488            };
2489
2490        v_flex()
2491            .map(|this| {
2492                if use_card_layout {
2493                    this.my_1p5()
2494                        .rounded_md()
2495                        .border_1()
2496                        .border_color(self.tool_card_border_color(cx))
2497                        .bg(cx.theme().colors().editor_background)
2498                        .overflow_hidden()
2499                } else {
2500                    this.my_1()
2501                }
2502            })
2503            .map(|this| {
2504                if has_location && !use_card_layout {
2505                    this.ml_4()
2506                } else {
2507                    this.ml_5()
2508                }
2509            })
2510            .mr_5()
2511            .map(|this| {
2512                if is_terminal_tool {
2513                    this.child(
2514                        v_flex()
2515                            .p_1p5()
2516                            .gap_0p5()
2517                            .text_ui_sm(cx)
2518                            .bg(self.tool_card_header_bg(cx))
2519                            .child(
2520                                Label::new("Run Command")
2521                                    .buffer_font(cx)
2522                                    .size(LabelSize::XSmall)
2523                                    .color(Color::Muted),
2524                            )
2525                            .child(
2526                                MarkdownElement::new(
2527                                    tool_call.label.clone(),
2528                                    terminal_command_markdown_style(window, cx),
2529                                )
2530                                .code_block_renderer(
2531                                    markdown::CodeBlockRenderer::Default {
2532                                        copy_button: false,
2533                                        copy_button_on_hover: false,
2534                                        border: false,
2535                                    },
2536                                )
2537                            ),
2538                    )
2539                } else {
2540                   this.child(
2541                        h_flex()
2542                            .group(&card_header_id)
2543                            .relative()
2544                            .w_full()
2545                            .gap_1()
2546                            .justify_between()
2547                            .when(use_card_layout, |this| {
2548                                this.p_0p5()
2549                                    .rounded_t(rems_from_px(5.))
2550                                    .bg(self.tool_card_header_bg(cx))
2551                            })
2552                            .child(self.render_tool_call_label(
2553                                entry_ix,
2554                                tool_call,
2555                                is_edit,
2556                                use_card_layout,
2557                                window,
2558                                cx,
2559                            ))
2560                            .when(is_collapsible || failed_or_canceled, |this| {
2561                                this.child(
2562                                    h_flex()
2563                                        .px_1()
2564                                        .gap_px()
2565                                        .when(is_collapsible, |this| {
2566                                            this.child(
2567                                            Disclosure::new(("expand-output", entry_ix), is_open)
2568                                                .opened_icon(IconName::ChevronUp)
2569                                                .closed_icon(IconName::ChevronDown)
2570                                                .visible_on_hover(&card_header_id)
2571                                                .on_click(cx.listener({
2572                                                    let id = tool_call.id.clone();
2573                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2574                                                        if is_open {
2575                                                            this.expanded_tool_calls.remove(&id);
2576                                                        } else {
2577                                                            this.expanded_tool_calls.insert(id.clone());
2578                                                        }
2579                                                        cx.notify();
2580                                                    }
2581                                                })),
2582                                        )
2583                                        })
2584                                        .when(failed_or_canceled, |this| {
2585                                            this.child(
2586                                                Icon::new(IconName::Close)
2587                                                    .color(Color::Error)
2588                                                    .size(IconSize::Small),
2589                                            )
2590                                        }),
2591                                )
2592                            }),
2593                    )
2594                }
2595            })
2596            .children(tool_output_display)
2597    }
2598
2599    fn render_tool_call_label(
2600        &self,
2601        entry_ix: usize,
2602        tool_call: &ToolCall,
2603        is_edit: bool,
2604        use_card_layout: bool,
2605        window: &Window,
2606        cx: &Context<Self>,
2607    ) -> Div {
2608        let has_location = tool_call.locations.len() == 1;
2609
2610        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2611            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2612                .map(Icon::from_path)
2613                .unwrap_or(Icon::new(IconName::ToolPencil))
2614        } else {
2615            Icon::new(match tool_call.kind {
2616                acp::ToolKind::Read => IconName::ToolSearch,
2617                acp::ToolKind::Edit => IconName::ToolPencil,
2618                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2619                acp::ToolKind::Move => IconName::ArrowRightLeft,
2620                acp::ToolKind::Search => IconName::ToolSearch,
2621                acp::ToolKind::Execute => IconName::ToolTerminal,
2622                acp::ToolKind::Think => IconName::ToolThink,
2623                acp::ToolKind::Fetch => IconName::ToolWeb,
2624                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2625                acp::ToolKind::Other | _ => IconName::ToolHammer,
2626            })
2627        }
2628        .size(IconSize::Small)
2629        .color(Color::Muted);
2630
2631        let gradient_overlay = {
2632            div()
2633                .absolute()
2634                .top_0()
2635                .right_0()
2636                .w_12()
2637                .h_full()
2638                .map(|this| {
2639                    if use_card_layout {
2640                        this.bg(linear_gradient(
2641                            90.,
2642                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2643                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2644                        ))
2645                    } else {
2646                        this.bg(linear_gradient(
2647                            90.,
2648                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2649                            linear_color_stop(
2650                                cx.theme().colors().panel_background.opacity(0.2),
2651                                0.,
2652                            ),
2653                        ))
2654                    }
2655                })
2656        };
2657
2658        h_flex()
2659            .relative()
2660            .w_full()
2661            .h(window.line_height() - px(2.))
2662            .text_size(self.tool_name_font_size())
2663            .gap_1p5()
2664            .when(has_location || use_card_layout, |this| this.px_1())
2665            .when(has_location, |this| {
2666                this.cursor(CursorStyle::PointingHand)
2667                    .rounded(rems_from_px(3.)) // Concentric border radius
2668                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2669            })
2670            .overflow_hidden()
2671            .child(tool_icon)
2672            .child(if has_location {
2673                h_flex()
2674                    .id(("open-tool-call-location", entry_ix))
2675                    .w_full()
2676                    .map(|this| {
2677                        if use_card_layout {
2678                            this.text_color(cx.theme().colors().text)
2679                        } else {
2680                            this.text_color(cx.theme().colors().text_muted)
2681                        }
2682                    })
2683                    .child(self.render_markdown(
2684                        tool_call.label.clone(),
2685                        MarkdownStyle {
2686                            prevent_mouse_interaction: true,
2687                            ..default_markdown_style(false, true, window, cx)
2688                        },
2689                    ))
2690                    .tooltip(Tooltip::text("Jump to File"))
2691                    .on_click(cx.listener(move |this, _, window, cx| {
2692                        this.open_tool_call_location(entry_ix, 0, window, cx);
2693                    }))
2694                    .into_any_element()
2695            } else {
2696                h_flex()
2697                    .w_full()
2698                    .child(self.render_markdown(
2699                        tool_call.label.clone(),
2700                        default_markdown_style(false, true, window, cx),
2701                    ))
2702                    .into_any()
2703            })
2704            .when(!is_edit, |this| this.child(gradient_overlay))
2705    }
2706
2707    fn render_tool_call_content(
2708        &self,
2709        entry_ix: usize,
2710        content: &ToolCallContent,
2711        context_ix: usize,
2712        tool_call: &ToolCall,
2713        card_layout: bool,
2714        window: &Window,
2715        cx: &Context<Self>,
2716    ) -> AnyElement {
2717        match content {
2718            ToolCallContent::ContentBlock(content) => {
2719                if let Some(resource_link) = content.resource_link() {
2720                    self.render_resource_link(resource_link, cx)
2721                } else if let Some(markdown) = content.markdown() {
2722                    self.render_markdown_output(
2723                        markdown.clone(),
2724                        tool_call.id.clone(),
2725                        context_ix,
2726                        card_layout,
2727                        window,
2728                        cx,
2729                    )
2730                } else {
2731                    Empty.into_any_element()
2732                }
2733            }
2734            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2735            ToolCallContent::Terminal(terminal) => {
2736                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2737            }
2738        }
2739    }
2740
2741    fn render_markdown_output(
2742        &self,
2743        markdown: Entity<Markdown>,
2744        tool_call_id: acp::ToolCallId,
2745        context_ix: usize,
2746        card_layout: bool,
2747        window: &Window,
2748        cx: &Context<Self>,
2749    ) -> AnyElement {
2750        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2751
2752        v_flex()
2753            .gap_2()
2754            .when(!card_layout, |this| {
2755                this.ml(rems(0.4))
2756                    .px_3p5()
2757                    .border_l_1()
2758                    .border_color(self.tool_card_border_color(cx))
2759            })
2760            .when(card_layout, |this| {
2761                this.px_2().pb_2().when(context_ix > 0, |this| {
2762                    this.border_t_1()
2763                        .pt_2()
2764                        .border_color(self.tool_card_border_color(cx))
2765                })
2766            })
2767            .text_xs()
2768            .text_color(cx.theme().colors().text_muted)
2769            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2770            .when(!card_layout, |this| {
2771                this.child(
2772                    IconButton::new(button_id, IconName::ChevronUp)
2773                        .full_width()
2774                        .style(ButtonStyle::Outlined)
2775                        .icon_color(Color::Muted)
2776                        .on_click(cx.listener({
2777                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2778                                this.expanded_tool_calls.remove(&tool_call_id);
2779                                cx.notify();
2780                            }
2781                        })),
2782                )
2783            })
2784            .into_any_element()
2785    }
2786
2787    fn render_resource_link(
2788        &self,
2789        resource_link: &acp::ResourceLink,
2790        cx: &Context<Self>,
2791    ) -> AnyElement {
2792        let uri: SharedString = resource_link.uri.clone().into();
2793        let is_file = resource_link.uri.strip_prefix("file://");
2794
2795        let label: SharedString = if let Some(abs_path) = is_file {
2796            if let Some(project_path) = self
2797                .project
2798                .read(cx)
2799                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2800                && let Some(worktree) = self
2801                    .project
2802                    .read(cx)
2803                    .worktree_for_id(project_path.worktree_id, cx)
2804            {
2805                worktree
2806                    .read(cx)
2807                    .full_path(&project_path.path)
2808                    .to_string_lossy()
2809                    .to_string()
2810                    .into()
2811            } else {
2812                abs_path.to_string().into()
2813            }
2814        } else {
2815            uri.clone()
2816        };
2817
2818        let button_id = SharedString::from(format!("item-{}", uri));
2819
2820        div()
2821            .ml(rems(0.4))
2822            .pl_2p5()
2823            .border_l_1()
2824            .border_color(self.tool_card_border_color(cx))
2825            .overflow_hidden()
2826            .child(
2827                Button::new(button_id, label)
2828                    .label_size(LabelSize::Small)
2829                    .color(Color::Muted)
2830                    .truncate(true)
2831                    .when(is_file.is_none(), |this| {
2832                        this.icon(IconName::ArrowUpRight)
2833                            .icon_size(IconSize::XSmall)
2834                            .icon_color(Color::Muted)
2835                    })
2836                    .on_click(cx.listener({
2837                        let workspace = self.workspace.clone();
2838                        move |_, _, window, cx: &mut Context<Self>| {
2839                            Self::open_link(uri.clone(), &workspace, window, cx);
2840                        }
2841                    })),
2842            )
2843            .into_any_element()
2844    }
2845
2846    fn render_permission_buttons(
2847        &self,
2848        kind: acp::ToolKind,
2849        options: &[acp::PermissionOption],
2850        entry_ix: usize,
2851        tool_call_id: acp::ToolCallId,
2852        cx: &Context<Self>,
2853    ) -> Div {
2854        let is_first = self.thread().is_some_and(|thread| {
2855            thread
2856                .read(cx)
2857                .first_tool_awaiting_confirmation()
2858                .is_some_and(|call| call.id == tool_call_id)
2859        });
2860        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2861
2862        div()
2863            .p_1()
2864            .border_t_1()
2865            .border_color(self.tool_card_border_color(cx))
2866            .w_full()
2867            .map(|this| {
2868                if kind == acp::ToolKind::SwitchMode {
2869                    this.v_flex()
2870                } else {
2871                    this.h_flex().justify_end().flex_wrap()
2872                }
2873            })
2874            .gap_0p5()
2875            .children(options.iter().map(move |option| {
2876                let option_id = SharedString::from(option.option_id.0.clone());
2877                Button::new((option_id, entry_ix), option.name.clone())
2878                    .map(|this| {
2879                        let (this, action) = match option.kind {
2880                            acp::PermissionOptionKind::AllowOnce => (
2881                                this.icon(IconName::Check).icon_color(Color::Success),
2882                                Some(&AllowOnce as &dyn Action),
2883                            ),
2884                            acp::PermissionOptionKind::AllowAlways => (
2885                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2886                                Some(&AllowAlways as &dyn Action),
2887                            ),
2888                            acp::PermissionOptionKind::RejectOnce => (
2889                                this.icon(IconName::Close).icon_color(Color::Error),
2890                                Some(&RejectOnce as &dyn Action),
2891                            ),
2892                            acp::PermissionOptionKind::RejectAlways | _ => {
2893                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2894                            }
2895                        };
2896
2897                        let Some(action) = action else {
2898                            return this;
2899                        };
2900
2901                        if !is_first || seen_kinds.contains(&option.kind) {
2902                            return this;
2903                        }
2904
2905                        seen_kinds.push(option.kind);
2906
2907                        this.key_binding(
2908                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
2909                                .map(|kb| kb.size(rems_from_px(10.))),
2910                        )
2911                    })
2912                    .icon_position(IconPosition::Start)
2913                    .icon_size(IconSize::XSmall)
2914                    .label_size(LabelSize::Small)
2915                    .on_click(cx.listener({
2916                        let tool_call_id = tool_call_id.clone();
2917                        let option_id = option.option_id.clone();
2918                        let option_kind = option.kind;
2919                        move |this, _, window, cx| {
2920                            this.authorize_tool_call(
2921                                tool_call_id.clone(),
2922                                option_id.clone(),
2923                                option_kind,
2924                                window,
2925                                cx,
2926                            );
2927                        }
2928                    }))
2929            }))
2930    }
2931
2932    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2933        let bar = |n: u64, width_class: &str| {
2934            let bg_color = cx.theme().colors().element_active;
2935            let base = h_flex().h_1().rounded_full();
2936
2937            let modified = match width_class {
2938                "w_4_5" => base.w_3_4(),
2939                "w_1_4" => base.w_1_4(),
2940                "w_2_4" => base.w_2_4(),
2941                "w_3_5" => base.w_3_5(),
2942                "w_2_5" => base.w_2_5(),
2943                _ => base.w_1_2(),
2944            };
2945
2946            modified.with_animation(
2947                ElementId::Integer(n),
2948                Animation::new(Duration::from_secs(2)).repeat(),
2949                move |tab, delta| {
2950                    let delta = (delta - 0.15 * n as f32) / 0.7;
2951                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2952                    let delta = ease_in_out(delta.clamp(0., 1.));
2953                    let delta = 0.1 + 0.9 * delta;
2954
2955                    tab.bg(bg_color.opacity(delta))
2956                },
2957            )
2958        };
2959
2960        v_flex()
2961            .p_3()
2962            .gap_1()
2963            .rounded_b_md()
2964            .bg(cx.theme().colors().editor_background)
2965            .child(bar(0, "w_4_5"))
2966            .child(bar(1, "w_1_4"))
2967            .child(bar(2, "w_2_4"))
2968            .child(bar(3, "w_3_5"))
2969            .child(bar(4, "w_2_5"))
2970            .into_any_element()
2971    }
2972
2973    fn render_diff_editor(
2974        &self,
2975        entry_ix: usize,
2976        diff: &Entity<acp_thread::Diff>,
2977        tool_call: &ToolCall,
2978        cx: &Context<Self>,
2979    ) -> AnyElement {
2980        let tool_progress = matches!(
2981            &tool_call.status,
2982            ToolCallStatus::InProgress | ToolCallStatus::Pending
2983        );
2984
2985        v_flex()
2986            .h_full()
2987            .border_t_1()
2988            .border_color(self.tool_card_border_color(cx))
2989            .child(
2990                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2991                    && let Some(editor) = entry.editor_for_diff(diff)
2992                    && diff.read(cx).has_revealed_range(cx)
2993                {
2994                    editor.into_any_element()
2995                } else if tool_progress && self.as_native_connection(cx).is_some() {
2996                    self.render_diff_loading(cx)
2997                } else {
2998                    Empty.into_any()
2999                },
3000            )
3001            .into_any()
3002    }
3003
3004    fn render_terminal_tool_call(
3005        &self,
3006        entry_ix: usize,
3007        terminal: &Entity<acp_thread::Terminal>,
3008        tool_call: &ToolCall,
3009        window: &Window,
3010        cx: &Context<Self>,
3011    ) -> AnyElement {
3012        let terminal_data = terminal.read(cx);
3013        let working_dir = terminal_data.working_dir();
3014        let command = terminal_data.command();
3015        let started_at = terminal_data.started_at();
3016
3017        let tool_failed = matches!(
3018            &tool_call.status,
3019            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
3020        );
3021
3022        let output = terminal_data.output();
3023        let command_finished = output.is_some();
3024        let truncated_output =
3025            output.is_some_and(|output| output.original_content_len > output.content.len());
3026        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
3027
3028        let command_failed = command_finished
3029            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
3030
3031        let time_elapsed = if let Some(output) = output {
3032            output.ended_at.duration_since(started_at)
3033        } else {
3034            started_at.elapsed()
3035        };
3036
3037        let header_id =
3038            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
3039        let header_group = SharedString::from(format!(
3040            "terminal-tool-header-group-{}",
3041            terminal.entity_id()
3042        ));
3043        let header_bg = cx
3044            .theme()
3045            .colors()
3046            .element_background
3047            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
3048        let border_color = cx.theme().colors().border.opacity(0.6);
3049
3050        let working_dir = working_dir
3051            .as_ref()
3052            .map(|path| path.display().to_string())
3053            .unwrap_or_else(|| "current directory".to_string());
3054
3055        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
3056
3057        let header = h_flex()
3058            .id(header_id)
3059            .flex_none()
3060            .gap_1()
3061            .justify_between()
3062            .rounded_t_md()
3063            .child(
3064                div()
3065                    .id(("command-target-path", terminal.entity_id()))
3066                    .w_full()
3067                    .max_w_full()
3068                    .overflow_x_scroll()
3069                    .child(
3070                        Label::new(working_dir)
3071                            .buffer_font(cx)
3072                            .size(LabelSize::XSmall)
3073                            .color(Color::Muted),
3074                    ),
3075            )
3076            .when(!command_finished, |header| {
3077                header
3078                    .gap_1p5()
3079                    .child(
3080                        Button::new(
3081                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
3082                            "Stop",
3083                        )
3084                        .icon(IconName::Stop)
3085                        .icon_position(IconPosition::Start)
3086                        .icon_size(IconSize::Small)
3087                        .icon_color(Color::Error)
3088                        .label_size(LabelSize::Small)
3089                        .tooltip(move |_window, cx| {
3090                            Tooltip::with_meta(
3091                                "Stop This Command",
3092                                None,
3093                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
3094                                cx,
3095                            )
3096                        })
3097                        .on_click({
3098                            let terminal = terminal.clone();
3099                            cx.listener(move |_this, _event, _window, cx| {
3100                                let inner_terminal = terminal.read(cx).inner().clone();
3101                                inner_terminal.update(cx, |inner_terminal, _cx| {
3102                                    inner_terminal.kill_active_task();
3103                                });
3104                            })
3105                        }),
3106                    )
3107                    .child(Divider::vertical())
3108                    .child(
3109                        Icon::new(IconName::ArrowCircle)
3110                            .size(IconSize::XSmall)
3111                            .color(Color::Info)
3112                            .with_rotate_animation(2)
3113                    )
3114            })
3115            .when(truncated_output, |header| {
3116                let tooltip = if let Some(output) = output {
3117                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
3118                       format!("Output exceeded terminal max lines and was \
3119                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
3120                    } else {
3121                        format!(
3122                            "Output is {} long, and to avoid unexpected token usage, \
3123                                only {} was sent back to the agent.",
3124                            format_file_size(output.original_content_len as u64, true),
3125                             format_file_size(output.content.len() as u64, true)
3126                        )
3127                    }
3128                } else {
3129                    "Output was truncated".to_string()
3130                };
3131
3132                header.child(
3133                    h_flex()
3134                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
3135                        .gap_1()
3136                        .child(
3137                            Icon::new(IconName::Info)
3138                                .size(IconSize::XSmall)
3139                                .color(Color::Ignored),
3140                        )
3141                        .child(
3142                            Label::new("Truncated")
3143                                .color(Color::Muted)
3144                                .size(LabelSize::XSmall),
3145                        )
3146                        .tooltip(Tooltip::text(tooltip)),
3147                )
3148            })
3149            .when(time_elapsed > Duration::from_secs(10), |header| {
3150                header.child(
3151                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
3152                        .buffer_font(cx)
3153                        .color(Color::Muted)
3154                        .size(LabelSize::XSmall),
3155                )
3156            })
3157            .when(tool_failed || command_failed, |header| {
3158                header.child(
3159                    div()
3160                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
3161                        .child(
3162                            Icon::new(IconName::Close)
3163                                .size(IconSize::Small)
3164                                .color(Color::Error),
3165                        )
3166                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
3167                            this.tooltip(Tooltip::text(format!(
3168                                "Exited with code {}",
3169                                status.code().unwrap_or(-1),
3170                            )))
3171                        }),
3172                )
3173            })
3174            .child(
3175                Disclosure::new(
3176                    SharedString::from(format!(
3177                        "terminal-tool-disclosure-{}",
3178                        terminal.entity_id()
3179                    )),
3180                    is_expanded,
3181                )
3182                .opened_icon(IconName::ChevronUp)
3183                .closed_icon(IconName::ChevronDown)
3184                .visible_on_hover(&header_group)
3185                .on_click(cx.listener({
3186                    let id = tool_call.id.clone();
3187                    move |this, _event, _window, _cx| {
3188                        if is_expanded {
3189                            this.expanded_tool_calls.remove(&id);
3190                        } else {
3191                            this.expanded_tool_calls.insert(id.clone());
3192                        }
3193                    }
3194                })),
3195            );
3196
3197        let terminal_view = self
3198            .entry_view_state
3199            .read(cx)
3200            .entry(entry_ix)
3201            .and_then(|entry| entry.terminal(terminal));
3202        let show_output = is_expanded && terminal_view.is_some();
3203
3204        v_flex()
3205            .my_1p5()
3206            .mx_5()
3207            .border_1()
3208            .when(tool_failed || command_failed, |card| card.border_dashed())
3209            .border_color(border_color)
3210            .rounded_md()
3211            .overflow_hidden()
3212            .child(
3213                v_flex()
3214                    .group(&header_group)
3215                    .py_1p5()
3216                    .pr_1p5()
3217                    .pl_2()
3218                    .gap_0p5()
3219                    .bg(header_bg)
3220                    .text_xs()
3221                    .child(header)
3222                    .child(
3223                        MarkdownElement::new(
3224                            command.clone(),
3225                            terminal_command_markdown_style(window, cx),
3226                        )
3227                        .code_block_renderer(
3228                            markdown::CodeBlockRenderer::Default {
3229                                copy_button: false,
3230                                copy_button_on_hover: true,
3231                                border: false,
3232                            },
3233                        ),
3234                    ),
3235            )
3236            .when(show_output, |this| {
3237                this.child(
3238                    div()
3239                        .pt_2()
3240                        .border_t_1()
3241                        .when(tool_failed || command_failed, |card| card.border_dashed())
3242                        .border_color(border_color)
3243                        .bg(cx.theme().colors().editor_background)
3244                        .rounded_b_md()
3245                        .text_ui_sm(cx)
3246                        .h_full()
3247                        .children(terminal_view.map(|terminal_view| {
3248                            let element = if terminal_view
3249                                .read(cx)
3250                                .content_mode(window, cx)
3251                                .is_scrollable()
3252                            {
3253                                div().h_72().child(terminal_view).into_any_element()
3254                            } else {
3255                                terminal_view.into_any_element()
3256                            };
3257
3258                            div()
3259                                .on_action(cx.listener(|_this, _: &NewTerminal, window, cx| {
3260                                    window.dispatch_action(NewThread.boxed_clone(), cx);
3261                                    cx.stop_propagation();
3262                                }))
3263                                .child(element)
3264                                .into_any_element()
3265                        })),
3266                )
3267            })
3268            .into_any()
3269    }
3270
3271    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
3272        let project_context = self
3273            .as_native_thread(cx)?
3274            .read(cx)
3275            .project_context()
3276            .read(cx);
3277
3278        let user_rules_text = if project_context.user_rules.is_empty() {
3279            None
3280        } else if project_context.user_rules.len() == 1 {
3281            let user_rules = &project_context.user_rules[0];
3282
3283            match user_rules.title.as_ref() {
3284                Some(title) => Some(format!("Using \"{title}\" user rule")),
3285                None => Some("Using user rule".into()),
3286            }
3287        } else {
3288            Some(format!(
3289                "Using {} user rules",
3290                project_context.user_rules.len()
3291            ))
3292        };
3293
3294        let first_user_rules_id = project_context
3295            .user_rules
3296            .first()
3297            .map(|user_rules| user_rules.uuid.0);
3298
3299        let rules_files = project_context
3300            .worktrees
3301            .iter()
3302            .filter_map(|worktree| worktree.rules_file.as_ref())
3303            .collect::<Vec<_>>();
3304
3305        let rules_file_text = match rules_files.as_slice() {
3306            &[] => None,
3307            &[rules_file] => Some(format!(
3308                "Using project {:?} file",
3309                rules_file.path_in_worktree
3310            )),
3311            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3312        };
3313
3314        if user_rules_text.is_none() && rules_file_text.is_none() {
3315            return None;
3316        }
3317
3318        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3319
3320        Some(
3321            h_flex()
3322                .px_2p5()
3323                .child(
3324                    Icon::new(IconName::Attach)
3325                        .size(IconSize::XSmall)
3326                        .color(Color::Disabled),
3327                )
3328                .when_some(user_rules_text, |parent, user_rules_text| {
3329                    parent.child(
3330                        h_flex()
3331                            .id("user-rules")
3332                            .ml_1()
3333                            .mr_1p5()
3334                            .child(
3335                                Label::new(user_rules_text)
3336                                    .size(LabelSize::XSmall)
3337                                    .color(Color::Muted)
3338                                    .truncate(),
3339                            )
3340                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3341                            .tooltip(Tooltip::text("View User Rules"))
3342                            .on_click(move |_event, window, cx| {
3343                                window.dispatch_action(
3344                                    Box::new(OpenRulesLibrary {
3345                                        prompt_to_select: first_user_rules_id,
3346                                    }),
3347                                    cx,
3348                                )
3349                            }),
3350                    )
3351                })
3352                .when(has_both, |this| {
3353                    this.child(
3354                        Label::new("")
3355                            .size(LabelSize::XSmall)
3356                            .color(Color::Disabled),
3357                    )
3358                })
3359                .when_some(rules_file_text, |parent, rules_file_text| {
3360                    parent.child(
3361                        h_flex()
3362                            .id("project-rules")
3363                            .ml_1p5()
3364                            .child(
3365                                Label::new(rules_file_text)
3366                                    .size(LabelSize::XSmall)
3367                                    .color(Color::Muted),
3368                            )
3369                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3370                            .tooltip(Tooltip::text("View Project Rules"))
3371                            .on_click(cx.listener(Self::handle_open_rules)),
3372                    )
3373                })
3374                .into_any(),
3375        )
3376    }
3377
3378    fn render_empty_state_section_header(
3379        &self,
3380        label: impl Into<SharedString>,
3381        action_slot: Option<AnyElement>,
3382        cx: &mut Context<Self>,
3383    ) -> impl IntoElement {
3384        div().pl_1().pr_1p5().child(
3385            h_flex()
3386                .mt_2()
3387                .pl_1p5()
3388                .pb_1()
3389                .w_full()
3390                .justify_between()
3391                .border_b_1()
3392                .border_color(cx.theme().colors().border_variant)
3393                .child(
3394                    Label::new(label.into())
3395                        .size(LabelSize::Small)
3396                        .color(Color::Muted),
3397                )
3398                .children(action_slot),
3399        )
3400    }
3401
3402    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3403        let render_history = self
3404            .agent
3405            .clone()
3406            .downcast::<agent::NativeAgentServer>()
3407            .is_some()
3408            && self
3409                .history_store
3410                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3411
3412        v_flex()
3413            .size_full()
3414            .when(render_history, |this| {
3415                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3416                    history_store.entries().take(3).collect()
3417                });
3418                this.justify_end().child(
3419                    v_flex()
3420                        .child(
3421                            self.render_empty_state_section_header(
3422                                "Recent",
3423                                Some(
3424                                    Button::new("view-history", "View All")
3425                                        .style(ButtonStyle::Subtle)
3426                                        .label_size(LabelSize::Small)
3427                                        .key_binding(
3428                                            KeyBinding::for_action_in(
3429                                                &OpenHistory,
3430                                                &self.focus_handle(cx),
3431                                                cx,
3432                                            )
3433                                            .map(|kb| kb.size(rems_from_px(12.))),
3434                                        )
3435                                        .on_click(move |_event, window, cx| {
3436                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3437                                        })
3438                                        .into_any_element(),
3439                                ),
3440                                cx,
3441                            ),
3442                        )
3443                        .child(
3444                            v_flex().p_1().pr_1p5().gap_1().children(
3445                                recent_history
3446                                    .into_iter()
3447                                    .enumerate()
3448                                    .map(|(index, entry)| {
3449                                        // TODO: Add keyboard navigation.
3450                                        let is_hovered =
3451                                            self.hovered_recent_history_item == Some(index);
3452                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3453                                            entry,
3454                                            cx.entity().downgrade(),
3455                                        )
3456                                        .hovered(is_hovered)
3457                                        .on_hover(cx.listener(
3458                                            move |this, is_hovered, _window, cx| {
3459                                                if *is_hovered {
3460                                                    this.hovered_recent_history_item = Some(index);
3461                                                } else if this.hovered_recent_history_item
3462                                                    == Some(index)
3463                                                {
3464                                                    this.hovered_recent_history_item = None;
3465                                                }
3466                                                cx.notify();
3467                                            },
3468                                        ))
3469                                        .into_any_element()
3470                                    }),
3471                            ),
3472                        ),
3473                )
3474            })
3475            .into_any()
3476    }
3477
3478    fn render_auth_required_state(
3479        &self,
3480        connection: &Rc<dyn AgentConnection>,
3481        description: Option<&Entity<Markdown>>,
3482        configuration_view: Option<&AnyView>,
3483        pending_auth_method: Option<&acp::AuthMethodId>,
3484        window: &mut Window,
3485        cx: &Context<Self>,
3486    ) -> impl IntoElement {
3487        let auth_methods = connection.auth_methods();
3488
3489        let agent_display_name = self
3490            .agent_server_store
3491            .read(cx)
3492            .agent_display_name(&ExternalAgentServerName(self.agent.name()))
3493            .unwrap_or_else(|| self.agent.name());
3494
3495        let show_fallback_description = auth_methods.len() > 1
3496            && configuration_view.is_none()
3497            && description.is_none()
3498            && pending_auth_method.is_none();
3499
3500        let auth_buttons = || {
3501            h_flex().justify_end().flex_wrap().gap_1().children(
3502                connection
3503                    .auth_methods()
3504                    .iter()
3505                    .enumerate()
3506                    .rev()
3507                    .map(|(ix, method)| {
3508                        let (method_id, name) = if self.project.read(cx).is_via_remote_server()
3509                            && method.id.0.as_ref() == "oauth-personal"
3510                            && method.name == "Log in with Google"
3511                        {
3512                            ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3513                        } else {
3514                            (method.id.0.clone(), method.name.clone())
3515                        };
3516
3517                        let agent_telemetry_id = connection.telemetry_id();
3518
3519                        Button::new(method_id.clone(), name)
3520                            .label_size(LabelSize::Small)
3521                            .map(|this| {
3522                                if ix == 0 {
3523                                    this.style(ButtonStyle::Tinted(TintColor::Accent))
3524                                } else {
3525                                    this.style(ButtonStyle::Outlined)
3526                                }
3527                            })
3528                            .when_some(method.description.clone(), |this, description| {
3529                                this.tooltip(Tooltip::text(description))
3530                            })
3531                            .on_click({
3532                                cx.listener(move |this, _, window, cx| {
3533                                    telemetry::event!(
3534                                        "Authenticate Agent Started",
3535                                        agent = agent_telemetry_id,
3536                                        method = method_id
3537                                    );
3538
3539                                    this.authenticate(
3540                                        acp::AuthMethodId::new(method_id.clone()),
3541                                        window,
3542                                        cx,
3543                                    )
3544                                })
3545                            })
3546                    }),
3547            )
3548        };
3549
3550        if pending_auth_method.is_some() {
3551            return Callout::new()
3552                .icon(IconName::Info)
3553                .title(format!("Authenticating to {}", agent_display_name))
3554                .actions_slot(
3555                    Icon::new(IconName::ArrowCircle)
3556                        .size(IconSize::Small)
3557                        .color(Color::Muted)
3558                        .with_rotate_animation(2)
3559                        .into_any_element(),
3560                )
3561                .into_any_element();
3562        }
3563
3564        Callout::new()
3565            .icon(IconName::Info)
3566            .title(format!("Authenticate to {}", agent_display_name))
3567            .when(auth_methods.len() == 1, |this| {
3568                this.actions_slot(auth_buttons())
3569            })
3570            .description_slot(
3571                v_flex()
3572                    .text_ui(cx)
3573                    .map(|this| {
3574                        if show_fallback_description {
3575                            this.child(
3576                                Label::new("Choose one of the following authentication options:")
3577                                    .size(LabelSize::Small)
3578                                    .color(Color::Muted),
3579                            )
3580                        } else {
3581                            this.children(
3582                                configuration_view
3583                                    .cloned()
3584                                    .map(|view| div().w_full().child(view)),
3585                            )
3586                            .children(description.map(|desc| {
3587                                self.render_markdown(
3588                                    desc.clone(),
3589                                    default_markdown_style(false, false, window, cx),
3590                                )
3591                            }))
3592                        }
3593                    })
3594                    .when(auth_methods.len() > 1, |this| {
3595                        this.gap_1().child(auth_buttons())
3596                    }),
3597            )
3598            .into_any_element()
3599    }
3600
3601    fn render_load_error(
3602        &self,
3603        e: &LoadError,
3604        window: &mut Window,
3605        cx: &mut Context<Self>,
3606    ) -> AnyElement {
3607        let (title, message, action_slot): (_, SharedString, _) = match e {
3608            LoadError::Unsupported {
3609                command: path,
3610                current_version,
3611                minimum_version,
3612            } => {
3613                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3614            }
3615            LoadError::FailedToInstall(msg) => (
3616                "Failed to Install",
3617                msg.into(),
3618                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3619            ),
3620            LoadError::Exited { status } => (
3621                "Failed to Launch",
3622                format!("Server exited with status {status}").into(),
3623                None,
3624            ),
3625            LoadError::Other(msg) => (
3626                "Failed to Launch",
3627                msg.into(),
3628                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3629            ),
3630        };
3631
3632        Callout::new()
3633            .severity(Severity::Error)
3634            .icon(IconName::XCircleFilled)
3635            .title(title)
3636            .description(message)
3637            .actions_slot(div().children(action_slot))
3638            .into_any_element()
3639    }
3640
3641    fn render_unsupported(
3642        &self,
3643        path: &SharedString,
3644        version: &SharedString,
3645        minimum_version: &SharedString,
3646        _window: &mut Window,
3647        cx: &mut Context<Self>,
3648    ) -> AnyElement {
3649        let (heading_label, description_label) = (
3650            format!("Upgrade {} to work with Zed", self.agent.name()),
3651            if version.is_empty() {
3652                format!(
3653                    "Currently using {}, which does not report a valid --version",
3654                    path,
3655                )
3656            } else {
3657                format!(
3658                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3659                    path, version
3660                )
3661            },
3662        );
3663
3664        v_flex()
3665            .w_full()
3666            .p_3p5()
3667            .gap_2p5()
3668            .border_t_1()
3669            .border_color(cx.theme().colors().border)
3670            .bg(linear_gradient(
3671                180.,
3672                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3673                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3674            ))
3675            .child(
3676                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3677                    Label::new(description_label)
3678                        .size(LabelSize::Small)
3679                        .color(Color::Muted),
3680                ),
3681            )
3682            .into_any_element()
3683    }
3684
3685    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3686        let editor_bg_color = cx.theme().colors().editor_background;
3687        let active_color = cx.theme().colors().element_selected;
3688        editor_bg_color.blend(active_color.opacity(0.3))
3689    }
3690
3691    fn render_activity_bar(
3692        &self,
3693        thread_entity: &Entity<AcpThread>,
3694        window: &mut Window,
3695        cx: &Context<Self>,
3696    ) -> Option<AnyElement> {
3697        let thread = thread_entity.read(cx);
3698        let action_log = thread.action_log();
3699        let telemetry = ActionLogTelemetry::from(thread);
3700        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3701        let plan = thread.plan();
3702
3703        if changed_buffers.is_empty() && plan.is_empty() {
3704            return None;
3705        }
3706
3707        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3708        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3709        // be, which blocks you from being able to accept or reject edits. This switches the
3710        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3711        // block you from using the panel.
3712        let pending_edits = false;
3713
3714        v_flex()
3715            .mt_1()
3716            .mx_2()
3717            .bg(self.activity_bar_bg(cx))
3718            .border_1()
3719            .border_b_0()
3720            .border_color(cx.theme().colors().border)
3721            .rounded_t_md()
3722            .shadow(vec![gpui::BoxShadow {
3723                color: gpui::black().opacity(0.15),
3724                offset: point(px(1.), px(-1.)),
3725                blur_radius: px(3.),
3726                spread_radius: px(0.),
3727            }])
3728            .when(!plan.is_empty(), |this| {
3729                this.child(self.render_plan_summary(plan, window, cx))
3730                    .when(self.plan_expanded, |parent| {
3731                        parent.child(self.render_plan_entries(plan, window, cx))
3732                    })
3733            })
3734            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3735                this.child(Divider::horizontal().color(DividerColor::Border))
3736            })
3737            .when(!changed_buffers.is_empty(), |this| {
3738                this.child(self.render_edits_summary(
3739                    &changed_buffers,
3740                    self.edits_expanded,
3741                    pending_edits,
3742                    cx,
3743                ))
3744                .when(self.edits_expanded, |parent| {
3745                    parent.child(self.render_edited_files(
3746                        action_log,
3747                        telemetry,
3748                        &changed_buffers,
3749                        pending_edits,
3750                        cx,
3751                    ))
3752                })
3753            })
3754            .into_any()
3755            .into()
3756    }
3757
3758    fn render_plan_summary(
3759        &self,
3760        plan: &Plan,
3761        window: &mut Window,
3762        cx: &Context<Self>,
3763    ) -> impl IntoElement {
3764        let stats = plan.stats();
3765
3766        let title = if let Some(entry) = stats.in_progress_entry
3767            && !self.plan_expanded
3768        {
3769            h_flex()
3770                .cursor_default()
3771                .relative()
3772                .w_full()
3773                .gap_1()
3774                .truncate()
3775                .child(
3776                    Label::new("Current:")
3777                        .size(LabelSize::Small)
3778                        .color(Color::Muted),
3779                )
3780                .child(
3781                    div()
3782                        .text_xs()
3783                        .text_color(cx.theme().colors().text_muted)
3784                        .line_clamp(1)
3785                        .child(MarkdownElement::new(
3786                            entry.content.clone(),
3787                            plan_label_markdown_style(&entry.status, window, cx),
3788                        )),
3789                )
3790                .when(stats.pending > 0, |this| {
3791                    this.child(
3792                        h_flex()
3793                            .absolute()
3794                            .top_0()
3795                            .right_0()
3796                            .h_full()
3797                            .child(div().min_w_8().h_full().bg(linear_gradient(
3798                                90.,
3799                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3800                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3801                            )))
3802                            .child(
3803                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3804                                    Label::new(format!("{} left", stats.pending))
3805                                        .size(LabelSize::Small)
3806                                        .color(Color::Muted),
3807                                ),
3808                            ),
3809                    )
3810                })
3811        } else {
3812            let status_label = if stats.pending == 0 {
3813                "All Done".to_string()
3814            } else if stats.completed == 0 {
3815                format!("{} Tasks", plan.entries.len())
3816            } else {
3817                format!("{}/{}", stats.completed, plan.entries.len())
3818            };
3819
3820            h_flex()
3821                .w_full()
3822                .gap_1()
3823                .justify_between()
3824                .child(
3825                    Label::new("Plan")
3826                        .size(LabelSize::Small)
3827                        .color(Color::Muted),
3828                )
3829                .child(
3830                    Label::new(status_label)
3831                        .size(LabelSize::Small)
3832                        .color(Color::Muted)
3833                        .mr_1(),
3834                )
3835        };
3836
3837        h_flex()
3838            .id("plan_summary")
3839            .p_1()
3840            .w_full()
3841            .gap_1()
3842            .when(self.plan_expanded, |this| {
3843                this.border_b_1().border_color(cx.theme().colors().border)
3844            })
3845            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3846            .child(title)
3847            .on_click(cx.listener(|this, _, _, cx| {
3848                this.plan_expanded = !this.plan_expanded;
3849                cx.notify();
3850            }))
3851    }
3852
3853    fn render_plan_entries(
3854        &self,
3855        plan: &Plan,
3856        window: &mut Window,
3857        cx: &Context<Self>,
3858    ) -> impl IntoElement {
3859        v_flex()
3860            .id("plan_items_list")
3861            .max_h_40()
3862            .overflow_y_scroll()
3863            .children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3864                let element = h_flex()
3865                    .py_1()
3866                    .px_2()
3867                    .gap_2()
3868                    .justify_between()
3869                    .bg(cx.theme().colors().editor_background)
3870                    .when(index < plan.entries.len() - 1, |parent| {
3871                        parent.border_color(cx.theme().colors().border).border_b_1()
3872                    })
3873                    .child(
3874                        h_flex()
3875                            .id(("plan_entry", index))
3876                            .gap_1p5()
3877                            .max_w_full()
3878                            .overflow_x_scroll()
3879                            .text_xs()
3880                            .text_color(cx.theme().colors().text_muted)
3881                            .child(match entry.status {
3882                                acp::PlanEntryStatus::InProgress => {
3883                                    Icon::new(IconName::TodoProgress)
3884                                        .size(IconSize::Small)
3885                                        .color(Color::Accent)
3886                                        .with_rotate_animation(2)
3887                                        .into_any_element()
3888                                }
3889                                acp::PlanEntryStatus::Completed => {
3890                                    Icon::new(IconName::TodoComplete)
3891                                        .size(IconSize::Small)
3892                                        .color(Color::Success)
3893                                        .into_any_element()
3894                                }
3895                                acp::PlanEntryStatus::Pending | _ => {
3896                                    Icon::new(IconName::TodoPending)
3897                                        .size(IconSize::Small)
3898                                        .color(Color::Muted)
3899                                        .into_any_element()
3900                                }
3901                            })
3902                            .child(MarkdownElement::new(
3903                                entry.content.clone(),
3904                                plan_label_markdown_style(&entry.status, window, cx),
3905                            )),
3906                    );
3907
3908                Some(element)
3909            }))
3910            .into_any_element()
3911    }
3912
3913    fn render_edits_summary(
3914        &self,
3915        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3916        expanded: bool,
3917        pending_edits: bool,
3918        cx: &Context<Self>,
3919    ) -> Div {
3920        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3921
3922        let focus_handle = self.focus_handle(cx);
3923
3924        h_flex()
3925            .p_1()
3926            .justify_between()
3927            .flex_wrap()
3928            .when(expanded, |this| {
3929                this.border_b_1().border_color(cx.theme().colors().border)
3930            })
3931            .child(
3932                h_flex()
3933                    .id("edits-container")
3934                    .cursor_pointer()
3935                    .gap_1()
3936                    .child(Disclosure::new("edits-disclosure", expanded))
3937                    .map(|this| {
3938                        if pending_edits {
3939                            this.child(
3940                                Label::new(format!(
3941                                    "Editing {} {}",
3942                                    changed_buffers.len(),
3943                                    if changed_buffers.len() == 1 {
3944                                        "file"
3945                                    } else {
3946                                        "files"
3947                                    }
3948                                ))
3949                                .color(Color::Muted)
3950                                .size(LabelSize::Small)
3951                                .with_animation(
3952                                    "edit-label",
3953                                    Animation::new(Duration::from_secs(2))
3954                                        .repeat()
3955                                        .with_easing(pulsating_between(0.3, 0.7)),
3956                                    |label, delta| label.alpha(delta),
3957                                ),
3958                            )
3959                        } else {
3960                            this.child(
3961                                Label::new("Edits")
3962                                    .size(LabelSize::Small)
3963                                    .color(Color::Muted),
3964                            )
3965                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3966                            .child(
3967                                Label::new(format!(
3968                                    "{} {}",
3969                                    changed_buffers.len(),
3970                                    if changed_buffers.len() == 1 {
3971                                        "file"
3972                                    } else {
3973                                        "files"
3974                                    }
3975                                ))
3976                                .size(LabelSize::Small)
3977                                .color(Color::Muted),
3978                            )
3979                        }
3980                    })
3981                    .on_click(cx.listener(|this, _, _, cx| {
3982                        this.edits_expanded = !this.edits_expanded;
3983                        cx.notify();
3984                    })),
3985            )
3986            .child(
3987                h_flex()
3988                    .gap_1()
3989                    .child(
3990                        IconButton::new("review-changes", IconName::ListTodo)
3991                            .icon_size(IconSize::Small)
3992                            .tooltip({
3993                                let focus_handle = focus_handle.clone();
3994                                move |_window, cx| {
3995                                    Tooltip::for_action_in(
3996                                        "Review Changes",
3997                                        &OpenAgentDiff,
3998                                        &focus_handle,
3999                                        cx,
4000                                    )
4001                                }
4002                            })
4003                            .on_click(cx.listener(|_, _, window, cx| {
4004                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
4005                            })),
4006                    )
4007                    .child(Divider::vertical().color(DividerColor::Border))
4008                    .child(
4009                        Button::new("reject-all-changes", "Reject All")
4010                            .label_size(LabelSize::Small)
4011                            .disabled(pending_edits)
4012                            .when(pending_edits, |this| {
4013                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
4014                            })
4015                            .key_binding(
4016                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
4017                                    .map(|kb| kb.size(rems_from_px(10.))),
4018                            )
4019                            .on_click(cx.listener(move |this, _, window, cx| {
4020                                this.reject_all(&RejectAll, window, cx);
4021                            })),
4022                    )
4023                    .child(
4024                        Button::new("keep-all-changes", "Keep All")
4025                            .label_size(LabelSize::Small)
4026                            .disabled(pending_edits)
4027                            .when(pending_edits, |this| {
4028                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
4029                            })
4030                            .key_binding(
4031                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
4032                                    .map(|kb| kb.size(rems_from_px(10.))),
4033                            )
4034                            .on_click(cx.listener(move |this, _, window, cx| {
4035                                this.keep_all(&KeepAll, window, cx);
4036                            })),
4037                    ),
4038            )
4039    }
4040
4041    fn render_edited_files(
4042        &self,
4043        action_log: &Entity<ActionLog>,
4044        telemetry: ActionLogTelemetry,
4045        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
4046        pending_edits: bool,
4047        cx: &Context<Self>,
4048    ) -> impl IntoElement {
4049        let editor_bg_color = cx.theme().colors().editor_background;
4050
4051        v_flex()
4052            .id("edited_files_list")
4053            .max_h_40()
4054            .overflow_y_scroll()
4055            .children(
4056                changed_buffers
4057                    .iter()
4058                    .enumerate()
4059                    .flat_map(|(index, (buffer, _diff))| {
4060                        let file = buffer.read(cx).file()?;
4061                        let path = file.path();
4062                        let path_style = file.path_style(cx);
4063                        let separator = file.path_style(cx).primary_separator();
4064
4065                        let file_path = path.parent().and_then(|parent| {
4066                            if parent.is_empty() {
4067                                None
4068                            } else {
4069                                Some(
4070                                    Label::new(format!(
4071                                        "{}{separator}",
4072                                        parent.display(path_style)
4073                                    ))
4074                                    .color(Color::Muted)
4075                                    .size(LabelSize::XSmall)
4076                                    .buffer_font(cx),
4077                                )
4078                            }
4079                        });
4080
4081                        let file_name = path.file_name().map(|name| {
4082                            Label::new(name.to_string())
4083                                .size(LabelSize::XSmall)
4084                                .buffer_font(cx)
4085                                .ml_1p5()
4086                        });
4087
4088                        let full_path = path.display(path_style).to_string();
4089
4090                        let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
4091                            .map(Icon::from_path)
4092                            .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
4093                            .unwrap_or_else(|| {
4094                                Icon::new(IconName::File)
4095                                    .color(Color::Muted)
4096                                    .size(IconSize::Small)
4097                            });
4098
4099                        let overlay_gradient = linear_gradient(
4100                            90.,
4101                            linear_color_stop(editor_bg_color, 1.),
4102                            linear_color_stop(editor_bg_color.opacity(0.2), 0.),
4103                        );
4104
4105                        let element = h_flex()
4106                            .group("edited-code")
4107                            .id(("file-container", index))
4108                            .py_1()
4109                            .pl_2()
4110                            .pr_1()
4111                            .gap_2()
4112                            .justify_between()
4113                            .bg(editor_bg_color)
4114                            .when(index < changed_buffers.len() - 1, |parent| {
4115                                parent.border_color(cx.theme().colors().border).border_b_1()
4116                            })
4117                            .child(
4118                                h_flex()
4119                                    .id(("file-name-row", index))
4120                                    .relative()
4121                                    .pr_8()
4122                                    .w_full()
4123                                    .child(
4124                                        h_flex()
4125                                            .id(("file-name-path", index))
4126                                            .cursor_pointer()
4127                                            .pr_0p5()
4128                                            .gap_0p5()
4129                                            .hover(|s| s.bg(cx.theme().colors().element_hover))
4130                                            .rounded_xs()
4131                                            .child(file_icon)
4132                                            .children(file_name)
4133                                            .children(file_path)
4134                                            .tooltip(move |_, cx| {
4135                                                Tooltip::with_meta(
4136                                                    "Go to File",
4137                                                    None,
4138                                                    full_path.clone(),
4139                                                    cx,
4140                                                )
4141                                            })
4142                                            .on_click({
4143                                                let buffer = buffer.clone();
4144                                                cx.listener(move |this, _, window, cx| {
4145                                                    this.open_edited_buffer(&buffer, window, cx);
4146                                                })
4147                                            }),
4148                                    )
4149                                    .child(
4150                                        div()
4151                                            .absolute()
4152                                            .h_full()
4153                                            .w_12()
4154                                            .top_0()
4155                                            .bottom_0()
4156                                            .right_0()
4157                                            .bg(overlay_gradient),
4158                                    ),
4159                            )
4160                            .child(
4161                                h_flex()
4162                                    .gap_1()
4163                                    .visible_on_hover("edited-code")
4164                                    .child(
4165                                        Button::new("review", "Review")
4166                                            .label_size(LabelSize::Small)
4167                                            .on_click({
4168                                                let buffer = buffer.clone();
4169                                                cx.listener(move |this, _, window, cx| {
4170                                                    this.open_edited_buffer(&buffer, window, cx);
4171                                                })
4172                                            }),
4173                                    )
4174                                    .child(Divider::vertical().color(DividerColor::BorderVariant))
4175                                    .child(
4176                                        Button::new("reject-file", "Reject")
4177                                            .label_size(LabelSize::Small)
4178                                            .disabled(pending_edits)
4179                                            .on_click({
4180                                                let buffer = buffer.clone();
4181                                                let action_log = action_log.clone();
4182                                                let telemetry = telemetry.clone();
4183                                                move |_, _, cx| {
4184                                                    action_log.update(cx, |action_log, cx| {
4185                                                        action_log
4186                                                    .reject_edits_in_ranges(
4187                                                        buffer.clone(),
4188                                                        vec![Anchor::min_max_range_for_buffer(
4189                                                            buffer.read(cx).remote_id(),
4190                                                        )],
4191                                                        Some(telemetry.clone()),
4192                                                        cx,
4193                                                    )
4194                                                    .detach_and_log_err(cx);
4195                                                    })
4196                                                }
4197                                            }),
4198                                    )
4199                                    .child(
4200                                        Button::new("keep-file", "Keep")
4201                                            .label_size(LabelSize::Small)
4202                                            .disabled(pending_edits)
4203                                            .on_click({
4204                                                let buffer = buffer.clone();
4205                                                let action_log = action_log.clone();
4206                                                let telemetry = telemetry.clone();
4207                                                move |_, _, cx| {
4208                                                    action_log.update(cx, |action_log, cx| {
4209                                                        action_log.keep_edits_in_range(
4210                                                            buffer.clone(),
4211                                                            Anchor::min_max_range_for_buffer(
4212                                                                buffer.read(cx).remote_id(),
4213                                                            ),
4214                                                            Some(telemetry.clone()),
4215                                                            cx,
4216                                                        );
4217                                                    })
4218                                                }
4219                                            }),
4220                                    ),
4221                            );
4222
4223                        Some(element)
4224                    }),
4225            )
4226            .into_any_element()
4227    }
4228
4229    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
4230        let focus_handle = self.message_editor.focus_handle(cx);
4231        let editor_bg_color = cx.theme().colors().editor_background;
4232        let (expand_icon, expand_tooltip) = if self.editor_expanded {
4233            (IconName::Minimize, "Minimize Message Editor")
4234        } else {
4235            (IconName::Maximize, "Expand Message Editor")
4236        };
4237
4238        let backdrop = div()
4239            .size_full()
4240            .absolute()
4241            .inset_0()
4242            .bg(cx.theme().colors().panel_background)
4243            .opacity(0.8)
4244            .block_mouse_except_scroll();
4245
4246        let enable_editor = match self.thread_state {
4247            ThreadState::Ready { .. } => true,
4248            ThreadState::Loading { .. }
4249            | ThreadState::Unauthenticated { .. }
4250            | ThreadState::LoadError(..) => false,
4251        };
4252
4253        v_flex()
4254            .on_action(cx.listener(Self::expand_message_editor))
4255            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
4256                if let Some(profile_selector) = this.profile_selector.as_ref() {
4257                    profile_selector.read(cx).menu_handle().toggle(window, cx);
4258                } else if let Some(mode_selector) = this.mode_selector() {
4259                    mode_selector.read(cx).menu_handle().toggle(window, cx);
4260                }
4261            }))
4262            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
4263                if let Some(profile_selector) = this.profile_selector.as_ref() {
4264                    profile_selector.update(cx, |profile_selector, cx| {
4265                        profile_selector.cycle_profile(cx);
4266                    });
4267                } else if let Some(mode_selector) = this.mode_selector() {
4268                    mode_selector.update(cx, |mode_selector, cx| {
4269                        mode_selector.cycle_mode(window, cx);
4270                    });
4271                }
4272            }))
4273            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
4274                if let Some(model_selector) = this.model_selector.as_ref() {
4275                    model_selector
4276                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
4277                }
4278            }))
4279            .on_action(cx.listener(|this, _: &CycleFavoriteModels, window, cx| {
4280                if let Some(model_selector) = this.model_selector.as_ref() {
4281                    model_selector.update(cx, |model_selector, cx| {
4282                        model_selector.cycle_favorite_models(window, cx);
4283                    });
4284                }
4285            }))
4286            .p_2()
4287            .gap_2()
4288            .border_t_1()
4289            .border_color(cx.theme().colors().border)
4290            .bg(editor_bg_color)
4291            .when(self.editor_expanded, |this| {
4292                this.h(vh(0.8, window)).size_full().justify_between()
4293            })
4294            .child(
4295                v_flex()
4296                    .relative()
4297                    .size_full()
4298                    .pt_1()
4299                    .pr_2p5()
4300                    .child(self.message_editor.clone())
4301                    .child(
4302                        h_flex()
4303                            .absolute()
4304                            .top_0()
4305                            .right_0()
4306                            .opacity(0.5)
4307                            .hover(|this| this.opacity(1.0))
4308                            .child(
4309                                IconButton::new("toggle-height", expand_icon)
4310                                    .icon_size(IconSize::Small)
4311                                    .icon_color(Color::Muted)
4312                                    .tooltip({
4313                                        move |_window, cx| {
4314                                            Tooltip::for_action_in(
4315                                                expand_tooltip,
4316                                                &ExpandMessageEditor,
4317                                                &focus_handle,
4318                                                cx,
4319                                            )
4320                                        }
4321                                    })
4322                                    .on_click(cx.listener(|this, _, window, cx| {
4323                                        this.expand_message_editor(
4324                                            &ExpandMessageEditor,
4325                                            window,
4326                                            cx,
4327                                        );
4328                                    })),
4329                            ),
4330                    ),
4331            )
4332            .child(
4333                h_flex()
4334                    .flex_none()
4335                    .flex_wrap()
4336                    .justify_between()
4337                    .child(
4338                        h_flex()
4339                            .gap_0p5()
4340                            .child(self.render_add_context_button(cx))
4341                            .child(self.render_follow_toggle(cx))
4342                            .children(self.render_burn_mode_toggle(cx)),
4343                    )
4344                    .child(
4345                        h_flex()
4346                            .gap_1()
4347                            .children(self.render_token_usage(cx))
4348                            .children(self.profile_selector.clone())
4349                            .children(self.mode_selector().cloned())
4350                            .children(self.model_selector.clone())
4351                            .child(self.render_send_button(cx)),
4352                    ),
4353            )
4354            .when(!enable_editor, |this| this.child(backdrop))
4355            .into_any()
4356    }
4357
4358    pub(crate) fn as_native_connection(
4359        &self,
4360        cx: &App,
4361    ) -> Option<Rc<agent::NativeAgentConnection>> {
4362        let acp_thread = self.thread()?.read(cx);
4363        acp_thread.connection().clone().downcast()
4364    }
4365
4366    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4367        let acp_thread = self.thread()?.read(cx);
4368        self.as_native_connection(cx)?
4369            .thread(acp_thread.session_id(), cx)
4370    }
4371
4372    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4373        self.as_native_thread(cx)
4374            .and_then(|thread| thread.read(cx).model())
4375            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4376    }
4377
4378    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4379        let thread = self.thread()?.read(cx);
4380        let usage = thread.token_usage()?;
4381        let is_generating = thread.status() != ThreadStatus::Idle;
4382
4383        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4384        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4385
4386        Some(
4387            h_flex()
4388                .flex_shrink_0()
4389                .gap_0p5()
4390                .mr_1p5()
4391                .child(
4392                    Label::new(used)
4393                        .size(LabelSize::Small)
4394                        .color(Color::Muted)
4395                        .map(|label| {
4396                            if is_generating {
4397                                label
4398                                    .with_animation(
4399                                        "used-tokens-label",
4400                                        Animation::new(Duration::from_secs(2))
4401                                            .repeat()
4402                                            .with_easing(pulsating_between(0.3, 0.8)),
4403                                        |label, delta| label.alpha(delta),
4404                                    )
4405                                    .into_any()
4406                            } else {
4407                                label.into_any_element()
4408                            }
4409                        }),
4410                )
4411                .child(
4412                    Label::new("/")
4413                        .size(LabelSize::Small)
4414                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4415                )
4416                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4417        )
4418    }
4419
4420    fn toggle_burn_mode(
4421        &mut self,
4422        _: &ToggleBurnMode,
4423        _window: &mut Window,
4424        cx: &mut Context<Self>,
4425    ) {
4426        let Some(thread) = self.as_native_thread(cx) else {
4427            return;
4428        };
4429
4430        thread.update(cx, |thread, cx| {
4431            let current_mode = thread.completion_mode();
4432            thread.set_completion_mode(
4433                match current_mode {
4434                    CompletionMode::Burn => CompletionMode::Normal,
4435                    CompletionMode::Normal => CompletionMode::Burn,
4436                },
4437                cx,
4438            );
4439        });
4440    }
4441
4442    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4443        let Some(thread) = self.thread() else {
4444            return;
4445        };
4446        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4447        let action_log = thread.read(cx).action_log().clone();
4448        action_log.update(cx, |action_log, cx| {
4449            action_log.keep_all_edits(Some(telemetry), cx)
4450        });
4451    }
4452
4453    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4454        let Some(thread) = self.thread() else {
4455            return;
4456        };
4457        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4458        let action_log = thread.read(cx).action_log().clone();
4459        action_log
4460            .update(cx, |action_log, cx| {
4461                action_log.reject_all_edits(Some(telemetry), cx)
4462            })
4463            .detach();
4464    }
4465
4466    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4467        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4468    }
4469
4470    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4471        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4472    }
4473
4474    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4475        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4476    }
4477
4478    fn authorize_pending_tool_call(
4479        &mut self,
4480        kind: acp::PermissionOptionKind,
4481        window: &mut Window,
4482        cx: &mut Context<Self>,
4483    ) -> Option<()> {
4484        let thread = self.thread()?.read(cx);
4485        let tool_call = thread.first_tool_awaiting_confirmation()?;
4486        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4487            return None;
4488        };
4489        let option = options.iter().find(|o| o.kind == kind)?;
4490
4491        self.authorize_tool_call(
4492            tool_call.id.clone(),
4493            option.option_id.clone(),
4494            option.kind,
4495            window,
4496            cx,
4497        );
4498
4499        Some(())
4500    }
4501
4502    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4503        let thread = self.as_native_thread(cx)?.read(cx);
4504
4505        if thread
4506            .model()
4507            .is_none_or(|model| !model.supports_burn_mode())
4508        {
4509            return None;
4510        }
4511
4512        let active_completion_mode = thread.completion_mode();
4513        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4514        let icon = if burn_mode_enabled {
4515            IconName::ZedBurnModeOn
4516        } else {
4517            IconName::ZedBurnMode
4518        };
4519
4520        Some(
4521            IconButton::new("burn-mode", icon)
4522                .icon_size(IconSize::Small)
4523                .icon_color(Color::Muted)
4524                .toggle_state(burn_mode_enabled)
4525                .selected_icon_color(Color::Error)
4526                .on_click(cx.listener(|this, _event, window, cx| {
4527                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4528                }))
4529                .tooltip(move |_window, cx| {
4530                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4531                        .into()
4532                })
4533                .into_any_element(),
4534        )
4535    }
4536
4537    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4538        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4539        let is_generating = self
4540            .thread()
4541            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4542
4543        if self.is_loading_contents {
4544            div()
4545                .id("loading-message-content")
4546                .px_1()
4547                .tooltip(Tooltip::text("Loading Added Context…"))
4548                .child(loading_contents_spinner(IconSize::default()))
4549                .into_any_element()
4550        } else if is_generating && is_editor_empty {
4551            IconButton::new("stop-generation", IconName::Stop)
4552                .icon_color(Color::Error)
4553                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4554                .tooltip(move |_window, cx| {
4555                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4556                })
4557                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4558                .into_any_element()
4559        } else {
4560            let send_btn_tooltip = if is_editor_empty && !is_generating {
4561                "Type to Send"
4562            } else if is_generating {
4563                "Stop and Send Message"
4564            } else {
4565                "Send"
4566            };
4567
4568            IconButton::new("send-message", IconName::Send)
4569                .style(ButtonStyle::Filled)
4570                .map(|this| {
4571                    if is_editor_empty && !is_generating {
4572                        this.disabled(true).icon_color(Color::Muted)
4573                    } else {
4574                        this.icon_color(Color::Accent)
4575                    }
4576                })
4577                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4578                .on_click(cx.listener(|this, _, window, cx| {
4579                    this.send(window, cx);
4580                }))
4581                .into_any_element()
4582        }
4583    }
4584
4585    fn is_following(&self, cx: &App) -> bool {
4586        match self.thread().map(|thread| thread.read(cx).status()) {
4587            Some(ThreadStatus::Generating) => self
4588                .workspace
4589                .read_with(cx, |workspace, _| {
4590                    workspace.is_being_followed(CollaboratorId::Agent)
4591                })
4592                .unwrap_or(false),
4593            _ => self.should_be_following,
4594        }
4595    }
4596
4597    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4598        let following = self.is_following(cx);
4599
4600        self.should_be_following = !following;
4601        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4602            self.workspace
4603                .update(cx, |workspace, cx| {
4604                    if following {
4605                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4606                    } else {
4607                        workspace.follow(CollaboratorId::Agent, window, cx);
4608                    }
4609                })
4610                .ok();
4611        }
4612
4613        telemetry::event!("Follow Agent Selected", following = !following);
4614    }
4615
4616    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4617        let following = self.is_following(cx);
4618
4619        let tooltip_label = if following {
4620            if self.agent.name() == "Zed Agent" {
4621                format!("Stop Following the {}", self.agent.name())
4622            } else {
4623                format!("Stop Following {}", self.agent.name())
4624            }
4625        } else {
4626            if self.agent.name() == "Zed Agent" {
4627                format!("Follow the {}", self.agent.name())
4628            } else {
4629                format!("Follow {}", self.agent.name())
4630            }
4631        };
4632
4633        IconButton::new("follow-agent", IconName::Crosshair)
4634            .icon_size(IconSize::Small)
4635            .icon_color(Color::Muted)
4636            .toggle_state(following)
4637            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4638            .tooltip(move |_window, cx| {
4639                if following {
4640                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4641                } else {
4642                    Tooltip::with_meta(
4643                        tooltip_label.clone(),
4644                        Some(&Follow),
4645                        "Track the agent's location as it reads and edits files.",
4646                        cx,
4647                    )
4648                }
4649            })
4650            .on_click(cx.listener(move |this, _, window, cx| {
4651                this.toggle_following(window, cx);
4652            }))
4653    }
4654
4655    fn render_add_context_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4656        let message_editor = self.message_editor.clone();
4657        let menu_visible = message_editor.read(cx).is_completions_menu_visible(cx);
4658
4659        IconButton::new("add-context", IconName::AtSign)
4660            .icon_size(IconSize::Small)
4661            .icon_color(Color::Muted)
4662            .when(!menu_visible, |this| {
4663                this.tooltip(move |_window, cx| {
4664                    Tooltip::with_meta("Add Context", None, "Or type @ to include context", cx)
4665                })
4666            })
4667            .on_click(cx.listener(move |_this, _, window, cx| {
4668                let message_editor_clone = message_editor.clone();
4669
4670                window.defer(cx, move |window, cx| {
4671                    message_editor_clone.update(cx, |message_editor, cx| {
4672                        message_editor.trigger_completion_menu(window, cx);
4673                    });
4674                });
4675            }))
4676    }
4677
4678    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4679        let workspace = self.workspace.clone();
4680        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4681            Self::open_link(text, &workspace, window, cx);
4682        })
4683    }
4684
4685    fn open_link(
4686        url: SharedString,
4687        workspace: &WeakEntity<Workspace>,
4688        window: &mut Window,
4689        cx: &mut App,
4690    ) {
4691        let Some(workspace) = workspace.upgrade() else {
4692            cx.open_url(&url);
4693            return;
4694        };
4695
4696        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
4697        {
4698            workspace.update(cx, |workspace, cx| match mention {
4699                MentionUri::File { abs_path } => {
4700                    let project = workspace.project();
4701                    let Some(path) =
4702                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4703                    else {
4704                        return;
4705                    };
4706
4707                    workspace
4708                        .open_path(path, None, true, window, cx)
4709                        .detach_and_log_err(cx);
4710                }
4711                MentionUri::PastedImage => {}
4712                MentionUri::Directory { abs_path } => {
4713                    let project = workspace.project();
4714                    let Some(entry_id) = project.update(cx, |project, cx| {
4715                        let path = project.find_project_path(abs_path, cx)?;
4716                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4717                    }) else {
4718                        return;
4719                    };
4720
4721                    project.update(cx, |_, cx| {
4722                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4723                    });
4724                }
4725                MentionUri::Symbol {
4726                    abs_path: path,
4727                    line_range,
4728                    ..
4729                }
4730                | MentionUri::Selection {
4731                    abs_path: Some(path),
4732                    line_range,
4733                } => {
4734                    let project = workspace.project();
4735                    let Some(path) =
4736                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4737                    else {
4738                        return;
4739                    };
4740
4741                    let item = workspace.open_path(path, None, true, window, cx);
4742                    window
4743                        .spawn(cx, async move |cx| {
4744                            let Some(editor) = item.await?.downcast::<Editor>() else {
4745                                return Ok(());
4746                            };
4747                            let range = Point::new(*line_range.start(), 0)
4748                                ..Point::new(*line_range.start(), 0);
4749                            editor
4750                                .update_in(cx, |editor, window, cx| {
4751                                    editor.change_selections(
4752                                        SelectionEffects::scroll(Autoscroll::center()),
4753                                        window,
4754                                        cx,
4755                                        |s| s.select_ranges(vec![range]),
4756                                    );
4757                                })
4758                                .ok();
4759                            anyhow::Ok(())
4760                        })
4761                        .detach_and_log_err(cx);
4762                }
4763                MentionUri::Selection { abs_path: None, .. } => {}
4764                MentionUri::Thread { id, name } => {
4765                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4766                        panel.update(cx, |panel, cx| {
4767                            panel.load_agent_thread(
4768                                DbThreadMetadata {
4769                                    id,
4770                                    title: name.into(),
4771                                    updated_at: Default::default(),
4772                                },
4773                                window,
4774                                cx,
4775                            )
4776                        });
4777                    }
4778                }
4779                MentionUri::TextThread { path, .. } => {
4780                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4781                        panel.update(cx, |panel, cx| {
4782                            panel
4783                                .open_saved_text_thread(path.as_path().into(), window, cx)
4784                                .detach_and_log_err(cx);
4785                        });
4786                    }
4787                }
4788                MentionUri::Rule { id, .. } => {
4789                    let PromptId::User { uuid } = id else {
4790                        return;
4791                    };
4792                    window.dispatch_action(
4793                        Box::new(OpenRulesLibrary {
4794                            prompt_to_select: Some(uuid.0),
4795                        }),
4796                        cx,
4797                    )
4798                }
4799                MentionUri::Fetch { url } => {
4800                    cx.open_url(url.as_str());
4801                }
4802            })
4803        } else {
4804            cx.open_url(&url);
4805        }
4806    }
4807
4808    fn open_tool_call_location(
4809        &self,
4810        entry_ix: usize,
4811        location_ix: usize,
4812        window: &mut Window,
4813        cx: &mut Context<Self>,
4814    ) -> Option<()> {
4815        let (tool_call_location, agent_location) = self
4816            .thread()?
4817            .read(cx)
4818            .entries()
4819            .get(entry_ix)?
4820            .location(location_ix)?;
4821
4822        let project_path = self
4823            .project
4824            .read(cx)
4825            .find_project_path(&tool_call_location.path, cx)?;
4826
4827        let open_task = self
4828            .workspace
4829            .update(cx, |workspace, cx| {
4830                workspace.open_path(project_path, None, true, window, cx)
4831            })
4832            .log_err()?;
4833        window
4834            .spawn(cx, async move |cx| {
4835                let item = open_task.await?;
4836
4837                let Some(active_editor) = item.downcast::<Editor>() else {
4838                    return anyhow::Ok(());
4839                };
4840
4841                active_editor.update_in(cx, |editor, window, cx| {
4842                    let multibuffer = editor.buffer().read(cx);
4843                    let buffer = multibuffer.as_singleton();
4844                    if agent_location.buffer.upgrade() == buffer {
4845                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4846                        let anchor =
4847                            editor::Anchor::in_buffer(excerpt_id.unwrap(), agent_location.position);
4848                        editor.change_selections(Default::default(), window, cx, |selections| {
4849                            selections.select_anchor_ranges([anchor..anchor]);
4850                        })
4851                    } else {
4852                        let row = tool_call_location.line.unwrap_or_default();
4853                        editor.change_selections(Default::default(), window, cx, |selections| {
4854                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4855                        })
4856                    }
4857                })?;
4858
4859                anyhow::Ok(())
4860            })
4861            .detach_and_log_err(cx);
4862
4863        None
4864    }
4865
4866    pub fn open_thread_as_markdown(
4867        &self,
4868        workspace: Entity<Workspace>,
4869        window: &mut Window,
4870        cx: &mut App,
4871    ) -> Task<Result<()>> {
4872        let markdown_language_task = workspace
4873            .read(cx)
4874            .app_state()
4875            .languages
4876            .language_for_name("Markdown");
4877
4878        let (thread_title, markdown) = if let Some(thread) = self.thread() {
4879            let thread = thread.read(cx);
4880            (thread.title().to_string(), thread.to_markdown(cx))
4881        } else {
4882            return Task::ready(Ok(()));
4883        };
4884
4885        let project = workspace.read(cx).project().clone();
4886        window.spawn(cx, async move |cx| {
4887            let markdown_language = markdown_language_task.await?;
4888
4889            let buffer = project
4890                .update(cx, |project, cx| project.create_buffer(false, cx))?
4891                .await?;
4892
4893            buffer.update(cx, |buffer, cx| {
4894                buffer.set_text(markdown, cx);
4895                buffer.set_language(Some(markdown_language), cx);
4896                buffer.set_capability(language::Capability::ReadWrite, cx);
4897            })?;
4898
4899            workspace.update_in(cx, |workspace, window, cx| {
4900                let buffer = cx
4901                    .new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_title.clone()));
4902
4903                workspace.add_item_to_active_pane(
4904                    Box::new(cx.new(|cx| {
4905                        let mut editor =
4906                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4907                        editor.set_breadcrumb_header(thread_title);
4908                        editor
4909                    })),
4910                    None,
4911                    true,
4912                    window,
4913                    cx,
4914                );
4915            })?;
4916            anyhow::Ok(())
4917        })
4918    }
4919
4920    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4921        self.list_state.scroll_to(ListOffset::default());
4922        cx.notify();
4923    }
4924
4925    fn scroll_to_most_recent_user_prompt(&mut self, cx: &mut Context<Self>) {
4926        let Some(thread) = self.thread() else {
4927            return;
4928        };
4929
4930        let entries = thread.read(cx).entries();
4931        if entries.is_empty() {
4932            return;
4933        }
4934
4935        // Find the most recent user message and scroll it to the top of the viewport.
4936        // (Fallback: if no user message exists, scroll to the bottom.)
4937        if let Some(ix) = entries
4938            .iter()
4939            .rposition(|entry| matches!(entry, AgentThreadEntry::UserMessage(_)))
4940        {
4941            self.list_state.scroll_to(ListOffset {
4942                item_ix: ix,
4943                offset_in_item: px(0.0),
4944            });
4945            cx.notify();
4946        } else {
4947            self.scroll_to_bottom(cx);
4948        }
4949    }
4950
4951    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4952        if let Some(thread) = self.thread() {
4953            let entry_count = thread.read(cx).entries().len();
4954            self.list_state.reset(entry_count);
4955            cx.notify();
4956        }
4957    }
4958
4959    fn notify_with_sound(
4960        &mut self,
4961        caption: impl Into<SharedString>,
4962        icon: IconName,
4963        window: &mut Window,
4964        cx: &mut Context<Self>,
4965    ) {
4966        self.play_notification_sound(window, cx);
4967        self.show_notification(caption, icon, window, cx);
4968    }
4969
4970    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4971        let settings = AgentSettings::get_global(cx);
4972        if settings.play_sound_when_agent_done && !window.is_window_active() {
4973            Audio::play_sound(Sound::AgentDone, cx);
4974        }
4975    }
4976
4977    fn show_notification(
4978        &mut self,
4979        caption: impl Into<SharedString>,
4980        icon: IconName,
4981        window: &mut Window,
4982        cx: &mut Context<Self>,
4983    ) {
4984        if !self.notifications.is_empty() {
4985            return;
4986        }
4987
4988        let settings = AgentSettings::get_global(cx);
4989
4990        let window_is_inactive = !window.is_window_active();
4991        let panel_is_hidden = self
4992            .workspace
4993            .upgrade()
4994            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
4995            .unwrap_or(true);
4996
4997        let should_notify = window_is_inactive || panel_is_hidden;
4998
4999        if !should_notify {
5000            return;
5001        }
5002
5003        // TODO: Change this once we have title summarization for external agents.
5004        let title = self.agent.name();
5005
5006        match settings.notify_when_agent_waiting {
5007            NotifyWhenAgentWaiting::PrimaryScreen => {
5008                if let Some(primary) = cx.primary_display() {
5009                    self.pop_up(icon, caption.into(), title, window, primary, cx);
5010                }
5011            }
5012            NotifyWhenAgentWaiting::AllScreens => {
5013                let caption = caption.into();
5014                for screen in cx.displays() {
5015                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
5016                }
5017            }
5018            NotifyWhenAgentWaiting::Never => {
5019                // Don't show anything
5020            }
5021        }
5022    }
5023
5024    fn pop_up(
5025        &mut self,
5026        icon: IconName,
5027        caption: SharedString,
5028        title: SharedString,
5029        window: &mut Window,
5030        screen: Rc<dyn PlatformDisplay>,
5031        cx: &mut Context<Self>,
5032    ) {
5033        let options = AgentNotification::window_options(screen, cx);
5034
5035        let project_name = self.workspace.upgrade().and_then(|workspace| {
5036            workspace
5037                .read(cx)
5038                .project()
5039                .read(cx)
5040                .visible_worktrees(cx)
5041                .next()
5042                .map(|worktree| worktree.read(cx).root_name_str().to_string())
5043        });
5044
5045        if let Some(screen_window) = cx
5046            .open_window(options, |_window, cx| {
5047                cx.new(|_cx| {
5048                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
5049                })
5050            })
5051            .log_err()
5052            && let Some(pop_up) = screen_window.entity(cx).log_err()
5053        {
5054            self.notification_subscriptions
5055                .entry(screen_window)
5056                .or_insert_with(Vec::new)
5057                .push(cx.subscribe_in(&pop_up, window, {
5058                    |this, _, event, window, cx| match event {
5059                        AgentNotificationEvent::Accepted => {
5060                            let handle = window.window_handle();
5061                            cx.activate(true);
5062
5063                            let workspace_handle = this.workspace.clone();
5064
5065                            // If there are multiple Zed windows, activate the correct one.
5066                            cx.defer(move |cx| {
5067                                handle
5068                                    .update(cx, |_view, window, _cx| {
5069                                        window.activate_window();
5070
5071                                        if let Some(workspace) = workspace_handle.upgrade() {
5072                                            workspace.update(_cx, |workspace, cx| {
5073                                                workspace.focus_panel::<AgentPanel>(window, cx);
5074                                            });
5075                                        }
5076                                    })
5077                                    .log_err();
5078                            });
5079
5080                            this.dismiss_notifications(cx);
5081                        }
5082                        AgentNotificationEvent::Dismissed => {
5083                            this.dismiss_notifications(cx);
5084                        }
5085                    }
5086                }));
5087
5088            self.notifications.push(screen_window);
5089
5090            // If the user manually refocuses the original window, dismiss the popup.
5091            self.notification_subscriptions
5092                .entry(screen_window)
5093                .or_insert_with(Vec::new)
5094                .push({
5095                    let pop_up_weak = pop_up.downgrade();
5096
5097                    cx.observe_window_activation(window, move |_, window, cx| {
5098                        if window.is_window_active()
5099                            && let Some(pop_up) = pop_up_weak.upgrade()
5100                        {
5101                            pop_up.update(cx, |_, cx| {
5102                                cx.emit(AgentNotificationEvent::Dismissed);
5103                            });
5104                        }
5105                    })
5106                });
5107        }
5108    }
5109
5110    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
5111        for window in self.notifications.drain(..) {
5112            window
5113                .update(cx, |_, window, _| {
5114                    window.remove_window();
5115                })
5116                .ok();
5117
5118            self.notification_subscriptions.remove(&window);
5119        }
5120    }
5121
5122    fn render_generating(&self, confirmation: bool) -> impl IntoElement {
5123        h_flex()
5124            .id("generating-spinner")
5125            .py_2()
5126            .px(rems_from_px(22.))
5127            .map(|this| {
5128                if confirmation {
5129                    this.gap_2()
5130                        .child(
5131                            h_flex()
5132                                .w_2()
5133                                .child(SpinnerLabel::sand().size(LabelSize::Small)),
5134                        )
5135                        .child(
5136                            LoadingLabel::new("Waiting Confirmation")
5137                                .size(LabelSize::Small)
5138                                .color(Color::Muted),
5139                        )
5140                } else {
5141                    this.child(SpinnerLabel::new().size(LabelSize::Small))
5142                }
5143            })
5144            .into_any_element()
5145    }
5146
5147    fn render_thread_controls(
5148        &self,
5149        thread: &Entity<AcpThread>,
5150        cx: &Context<Self>,
5151    ) -> impl IntoElement {
5152        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
5153        if is_generating {
5154            return self.render_generating(false).into_any_element();
5155        }
5156
5157        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
5158            .shape(ui::IconButtonShape::Square)
5159            .icon_size(IconSize::Small)
5160            .icon_color(Color::Ignored)
5161            .tooltip(Tooltip::text("Open Thread as Markdown"))
5162            .on_click(cx.listener(move |this, _, window, cx| {
5163                if let Some(workspace) = this.workspace.upgrade() {
5164                    this.open_thread_as_markdown(workspace, window, cx)
5165                        .detach_and_log_err(cx);
5166                }
5167            }));
5168
5169        let scroll_to_recent_user_prompt =
5170            IconButton::new("scroll_to_recent_user_prompt", IconName::ForwardArrow)
5171                .shape(ui::IconButtonShape::Square)
5172                .icon_size(IconSize::Small)
5173                .icon_color(Color::Ignored)
5174                .tooltip(Tooltip::text("Scroll To Most Recent User Prompt"))
5175                .on_click(cx.listener(move |this, _, _, cx| {
5176                    this.scroll_to_most_recent_user_prompt(cx);
5177                }));
5178
5179        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
5180            .shape(ui::IconButtonShape::Square)
5181            .icon_size(IconSize::Small)
5182            .icon_color(Color::Ignored)
5183            .tooltip(Tooltip::text("Scroll To Top"))
5184            .on_click(cx.listener(move |this, _, _, cx| {
5185                this.scroll_to_top(cx);
5186            }));
5187
5188        let mut container = h_flex()
5189            .w_full()
5190            .py_2()
5191            .px_5()
5192            .gap_px()
5193            .opacity(0.6)
5194            .hover(|s| s.opacity(1.))
5195            .justify_end();
5196
5197        if AgentSettings::get_global(cx).enable_feedback
5198            && self
5199                .thread()
5200                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
5201        {
5202            let feedback = self.thread_feedback.feedback;
5203
5204            let tooltip_meta = || {
5205                SharedString::new(
5206                    "Rating the thread sends all of your current conversation to the Zed team.",
5207                )
5208            };
5209
5210            container = container
5211                .child(
5212                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
5213                        .shape(ui::IconButtonShape::Square)
5214                        .icon_size(IconSize::Small)
5215                        .icon_color(match feedback {
5216                            Some(ThreadFeedback::Positive) => Color::Accent,
5217                            _ => Color::Ignored,
5218                        })
5219                        .tooltip(move |window, cx| match feedback {
5220                            Some(ThreadFeedback::Positive) => {
5221                                Tooltip::text("Thanks for your feedback!")(window, cx)
5222                            }
5223                            _ => Tooltip::with_meta("Helpful Response", None, tooltip_meta(), cx),
5224                        })
5225                        .on_click(cx.listener(move |this, _, window, cx| {
5226                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
5227                        })),
5228                )
5229                .child(
5230                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
5231                        .shape(ui::IconButtonShape::Square)
5232                        .icon_size(IconSize::Small)
5233                        .icon_color(match feedback {
5234                            Some(ThreadFeedback::Negative) => Color::Accent,
5235                            _ => Color::Ignored,
5236                        })
5237                        .tooltip(move |window, cx| match feedback {
5238                            Some(ThreadFeedback::Negative) => {
5239                                Tooltip::text(
5240                                    "We appreciate your feedback and will use it to improve in the future.",
5241                                )(window, cx)
5242                            }
5243                            _ => {
5244                                Tooltip::with_meta("Not Helpful Response", None, tooltip_meta(), cx)
5245                            }
5246                        })
5247                        .on_click(cx.listener(move |this, _, window, cx| {
5248                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
5249                        })),
5250                );
5251        }
5252
5253        container
5254            .child(open_as_markdown)
5255            .child(scroll_to_recent_user_prompt)
5256            .child(scroll_to_top)
5257            .into_any_element()
5258    }
5259
5260    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
5261        h_flex()
5262            .key_context("AgentFeedbackMessageEditor")
5263            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
5264                this.thread_feedback.dismiss_comments();
5265                cx.notify();
5266            }))
5267            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
5268                this.submit_feedback_message(cx);
5269            }))
5270            .p_2()
5271            .mb_2()
5272            .mx_5()
5273            .gap_1()
5274            .rounded_md()
5275            .border_1()
5276            .border_color(cx.theme().colors().border)
5277            .bg(cx.theme().colors().editor_background)
5278            .child(div().w_full().child(editor))
5279            .child(
5280                h_flex()
5281                    .child(
5282                        IconButton::new("dismiss-feedback-message", IconName::Close)
5283                            .icon_color(Color::Error)
5284                            .icon_size(IconSize::XSmall)
5285                            .shape(ui::IconButtonShape::Square)
5286                            .on_click(cx.listener(move |this, _, _window, cx| {
5287                                this.thread_feedback.dismiss_comments();
5288                                cx.notify();
5289                            })),
5290                    )
5291                    .child(
5292                        IconButton::new("submit-feedback-message", IconName::Return)
5293                            .icon_size(IconSize::XSmall)
5294                            .shape(ui::IconButtonShape::Square)
5295                            .on_click(cx.listener(move |this, _, _window, cx| {
5296                                this.submit_feedback_message(cx);
5297                            })),
5298                    ),
5299            )
5300    }
5301
5302    fn handle_feedback_click(
5303        &mut self,
5304        feedback: ThreadFeedback,
5305        window: &mut Window,
5306        cx: &mut Context<Self>,
5307    ) {
5308        let Some(thread) = self.thread().cloned() else {
5309            return;
5310        };
5311
5312        self.thread_feedback.submit(thread, feedback, window, cx);
5313        cx.notify();
5314    }
5315
5316    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
5317        let Some(thread) = self.thread().cloned() else {
5318            return;
5319        };
5320
5321        self.thread_feedback.submit_comments(thread, cx);
5322        cx.notify();
5323    }
5324
5325    fn render_token_limit_callout(
5326        &self,
5327        line_height: Pixels,
5328        cx: &mut Context<Self>,
5329    ) -> Option<Callout> {
5330        let token_usage = self.thread()?.read(cx).token_usage()?;
5331        let ratio = token_usage.ratio();
5332
5333        let (severity, title) = match ratio {
5334            acp_thread::TokenUsageRatio::Normal => return None,
5335            acp_thread::TokenUsageRatio::Warning => {
5336                (Severity::Warning, "Thread reaching the token limit soon")
5337            }
5338            acp_thread::TokenUsageRatio::Exceeded => {
5339                (Severity::Error, "Thread reached the token limit")
5340            }
5341        };
5342
5343        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
5344            thread.read(cx).completion_mode() == CompletionMode::Normal
5345                && thread
5346                    .read(cx)
5347                    .model()
5348                    .is_some_and(|model| model.supports_burn_mode())
5349        });
5350
5351        let description = if burn_mode_available {
5352            "To continue, start a new thread from a summary or turn Burn Mode on."
5353        } else {
5354            "To continue, start a new thread from a summary."
5355        };
5356
5357        Some(
5358            Callout::new()
5359                .severity(severity)
5360                .line_height(line_height)
5361                .title(title)
5362                .description(description)
5363                .actions_slot(
5364                    h_flex()
5365                        .gap_0p5()
5366                        .child(
5367                            Button::new("start-new-thread", "Start New Thread")
5368                                .label_size(LabelSize::Small)
5369                                .on_click(cx.listener(|this, _, window, cx| {
5370                                    let Some(thread) = this.thread() else {
5371                                        return;
5372                                    };
5373                                    let session_id = thread.read(cx).session_id().clone();
5374                                    window.dispatch_action(
5375                                        crate::NewNativeAgentThreadFromSummary {
5376                                            from_session_id: session_id,
5377                                        }
5378                                        .boxed_clone(),
5379                                        cx,
5380                                    );
5381                                })),
5382                        )
5383                        .when(burn_mode_available, |this| {
5384                            this.child(
5385                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
5386                                    .icon_size(IconSize::XSmall)
5387                                    .on_click(cx.listener(|this, _event, window, cx| {
5388                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5389                                    })),
5390                            )
5391                        }),
5392                ),
5393        )
5394    }
5395
5396    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
5397        if !self.is_using_zed_ai_models(cx) {
5398            return None;
5399        }
5400
5401        let user_store = self.project.read(cx).user_store().read(cx);
5402        if user_store.is_usage_based_billing_enabled() {
5403            return None;
5404        }
5405
5406        let plan = user_store
5407            .plan()
5408            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
5409
5410        let usage = user_store.model_request_usage()?;
5411
5412        Some(
5413            div()
5414                .child(UsageCallout::new(plan, usage))
5415                .line_height(line_height),
5416        )
5417    }
5418
5419    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
5420        self.entry_view_state.update(cx, |entry_view_state, cx| {
5421            entry_view_state.agent_ui_font_size_changed(cx);
5422        });
5423    }
5424
5425    pub(crate) fn insert_dragged_files(
5426        &self,
5427        paths: Vec<project::ProjectPath>,
5428        added_worktrees: Vec<Entity<project::Worktree>>,
5429        window: &mut Window,
5430        cx: &mut Context<Self>,
5431    ) {
5432        self.message_editor.update(cx, |message_editor, cx| {
5433            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5434        })
5435    }
5436
5437    /// Inserts the selected text into the message editor or the message being
5438    /// edited, if any.
5439    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5440        self.active_editor(cx).update(cx, |editor, cx| {
5441            editor.insert_selections(window, cx);
5442        });
5443    }
5444
5445    fn render_thread_retry_status_callout(
5446        &self,
5447        _window: &mut Window,
5448        _cx: &mut Context<Self>,
5449    ) -> Option<Callout> {
5450        let state = self.thread_retry_status.as_ref()?;
5451
5452        let next_attempt_in = state
5453            .duration
5454            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5455        if next_attempt_in.is_zero() {
5456            return None;
5457        }
5458
5459        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5460
5461        let retry_message = if state.max_attempts == 1 {
5462            if next_attempt_in_secs == 1 {
5463                "Retrying. Next attempt in 1 second.".to_string()
5464            } else {
5465                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5466            }
5467        } else if next_attempt_in_secs == 1 {
5468            format!(
5469                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5470                state.attempt, state.max_attempts,
5471            )
5472        } else {
5473            format!(
5474                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5475                state.attempt, state.max_attempts,
5476            )
5477        };
5478
5479        Some(
5480            Callout::new()
5481                .severity(Severity::Warning)
5482                .title(state.last_error.clone())
5483                .description(retry_message),
5484        )
5485    }
5486
5487    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Callout {
5488        Callout::new()
5489            .icon(IconName::Warning)
5490            .severity(Severity::Warning)
5491            .title("Codex on Windows")
5492            .description("For best performance, run Codex in Windows Subsystem for Linux (WSL2)")
5493            .actions_slot(
5494                Button::new("open-wsl-modal", "Open in WSL")
5495                    .icon_size(IconSize::Small)
5496                    .icon_color(Color::Muted)
5497                    .on_click(cx.listener({
5498                        move |_, _, _window, cx| {
5499                            #[cfg(windows)]
5500                            _window.dispatch_action(
5501                                zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5502                                cx,
5503                            );
5504                            cx.notify();
5505                        }
5506                    })),
5507            )
5508            .dismiss_action(
5509                IconButton::new("dismiss", IconName::Close)
5510                    .icon_size(IconSize::Small)
5511                    .icon_color(Color::Muted)
5512                    .tooltip(Tooltip::text("Dismiss Warning"))
5513                    .on_click(cx.listener({
5514                        move |this, _, _, cx| {
5515                            this.show_codex_windows_warning = false;
5516                            cx.notify();
5517                        }
5518                    })),
5519            )
5520    }
5521
5522    fn render_thread_error(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
5523        let content = match self.thread_error.as_ref()? {
5524            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), window, cx),
5525            ThreadError::Refusal => self.render_refusal_error(cx),
5526            ThreadError::AuthenticationRequired(error) => {
5527                self.render_authentication_required_error(error.clone(), cx)
5528            }
5529            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5530            ThreadError::ModelRequestLimitReached(plan) => {
5531                self.render_model_request_limit_reached_error(*plan, cx)
5532            }
5533            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5534        };
5535
5536        Some(div().child(content))
5537    }
5538
5539    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5540        v_flex().w_full().justify_end().child(
5541            h_flex()
5542                .p_2()
5543                .pr_3()
5544                .w_full()
5545                .gap_1p5()
5546                .border_t_1()
5547                .border_color(cx.theme().colors().border)
5548                .bg(cx.theme().colors().element_background)
5549                .child(
5550                    h_flex()
5551                        .flex_1()
5552                        .gap_1p5()
5553                        .child(
5554                            Icon::new(IconName::Download)
5555                                .color(Color::Accent)
5556                                .size(IconSize::Small),
5557                        )
5558                        .child(Label::new("New version available").size(LabelSize::Small)),
5559                )
5560                .child(
5561                    Button::new("update-button", format!("Update to v{}", version))
5562                        .label_size(LabelSize::Small)
5563                        .style(ButtonStyle::Tinted(TintColor::Accent))
5564                        .on_click(cx.listener(|this, _, window, cx| {
5565                            this.reset(window, cx);
5566                        })),
5567                ),
5568        )
5569    }
5570
5571    fn current_mode_id(&self, cx: &App) -> Option<Arc<str>> {
5572        if let Some(thread) = self.as_native_thread(cx) {
5573            Some(thread.read(cx).profile().0.clone())
5574        } else if let Some(mode_selector) = self.mode_selector() {
5575            Some(mode_selector.read(cx).mode().0)
5576        } else {
5577            None
5578        }
5579    }
5580
5581    fn current_model_id(&self, cx: &App) -> Option<String> {
5582        self.model_selector
5583            .as_ref()
5584            .and_then(|selector| selector.read(cx).active_model(cx).map(|m| m.id.to_string()))
5585    }
5586
5587    fn current_model_name(&self, cx: &App) -> SharedString {
5588        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5589        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5590        // This provides better clarity about what refused the request
5591        if self.as_native_connection(cx).is_some() {
5592            self.model_selector
5593                .as_ref()
5594                .and_then(|selector| selector.read(cx).active_model(cx))
5595                .map(|model| model.name.clone())
5596                .unwrap_or_else(|| SharedString::from("The model"))
5597        } else {
5598            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5599            self.agent.name()
5600        }
5601    }
5602
5603    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5604        let model_or_agent_name = self.current_model_name(cx);
5605        let refusal_message = format!(
5606            "{} 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.",
5607            model_or_agent_name
5608        );
5609
5610        Callout::new()
5611            .severity(Severity::Error)
5612            .title("Request Refused")
5613            .icon(IconName::XCircle)
5614            .description(refusal_message.clone())
5615            .actions_slot(self.create_copy_button(&refusal_message))
5616            .dismiss_action(self.dismiss_error_button(cx))
5617    }
5618
5619    fn render_any_thread_error(
5620        &mut self,
5621        error: SharedString,
5622        window: &mut Window,
5623        cx: &mut Context<'_, Self>,
5624    ) -> Callout {
5625        let can_resume = self
5626            .thread()
5627            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5628
5629        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5630            let thread = thread.read(cx);
5631            let supports_burn_mode = thread
5632                .model()
5633                .map_or(false, |model| model.supports_burn_mode());
5634            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5635        });
5636
5637        let markdown = if let Some(markdown) = &self.thread_error_markdown {
5638            markdown.clone()
5639        } else {
5640            let markdown = cx.new(|cx| Markdown::new(error.clone(), None, None, cx));
5641            self.thread_error_markdown = Some(markdown.clone());
5642            markdown
5643        };
5644
5645        let markdown_style = default_markdown_style(false, true, window, cx);
5646        let description = self
5647            .render_markdown(markdown, markdown_style)
5648            .into_any_element();
5649
5650        Callout::new()
5651            .severity(Severity::Error)
5652            .icon(IconName::XCircle)
5653            .title("An Error Happened")
5654            .description_slot(description)
5655            .actions_slot(
5656                h_flex()
5657                    .gap_0p5()
5658                    .when(can_resume && can_enable_burn_mode, |this| {
5659                        this.child(
5660                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5661                                .icon(IconName::ZedBurnMode)
5662                                .icon_position(IconPosition::Start)
5663                                .icon_size(IconSize::Small)
5664                                .label_size(LabelSize::Small)
5665                                .on_click(cx.listener(|this, _, window, cx| {
5666                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5667                                    this.resume_chat(cx);
5668                                })),
5669                        )
5670                    })
5671                    .when(can_resume, |this| {
5672                        this.child(
5673                            IconButton::new("retry", IconName::RotateCw)
5674                                .icon_size(IconSize::Small)
5675                                .tooltip(Tooltip::text("Retry Generation"))
5676                                .on_click(cx.listener(|this, _, _window, cx| {
5677                                    this.resume_chat(cx);
5678                                })),
5679                        )
5680                    })
5681                    .child(self.create_copy_button(error.to_string())),
5682            )
5683            .dismiss_action(self.dismiss_error_button(cx))
5684    }
5685
5686    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5687        const ERROR_MESSAGE: &str =
5688            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5689
5690        Callout::new()
5691            .severity(Severity::Error)
5692            .icon(IconName::XCircle)
5693            .title("Free Usage Exceeded")
5694            .description(ERROR_MESSAGE)
5695            .actions_slot(
5696                h_flex()
5697                    .gap_0p5()
5698                    .child(self.upgrade_button(cx))
5699                    .child(self.create_copy_button(ERROR_MESSAGE)),
5700            )
5701            .dismiss_action(self.dismiss_error_button(cx))
5702    }
5703
5704    fn render_authentication_required_error(
5705        &self,
5706        error: SharedString,
5707        cx: &mut Context<Self>,
5708    ) -> Callout {
5709        Callout::new()
5710            .severity(Severity::Error)
5711            .title("Authentication Required")
5712            .icon(IconName::XCircle)
5713            .description(error.clone())
5714            .actions_slot(
5715                h_flex()
5716                    .gap_0p5()
5717                    .child(self.authenticate_button(cx))
5718                    .child(self.create_copy_button(error)),
5719            )
5720            .dismiss_action(self.dismiss_error_button(cx))
5721    }
5722
5723    fn render_model_request_limit_reached_error(
5724        &self,
5725        plan: cloud_llm_client::Plan,
5726        cx: &mut Context<Self>,
5727    ) -> Callout {
5728        let error_message = match plan {
5729            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5730                "Upgrade to usage-based billing for more prompts."
5731            }
5732            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5733            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5734            cloud_llm_client::Plan::V2(_) => "",
5735        };
5736
5737        Callout::new()
5738            .severity(Severity::Error)
5739            .title("Model Prompt Limit Reached")
5740            .icon(IconName::XCircle)
5741            .description(error_message)
5742            .actions_slot(
5743                h_flex()
5744                    .gap_0p5()
5745                    .child(self.upgrade_button(cx))
5746                    .child(self.create_copy_button(error_message)),
5747            )
5748            .dismiss_action(self.dismiss_error_button(cx))
5749    }
5750
5751    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5752        let thread = self.as_native_thread(cx)?;
5753        let supports_burn_mode = thread
5754            .read(cx)
5755            .model()
5756            .is_some_and(|model| model.supports_burn_mode());
5757
5758        let focus_handle = self.focus_handle(cx);
5759
5760        Some(
5761            Callout::new()
5762                .icon(IconName::Info)
5763                .title("Consecutive tool use limit reached.")
5764                .actions_slot(
5765                    h_flex()
5766                        .gap_0p5()
5767                        .when(supports_burn_mode, |this| {
5768                            this.child(
5769                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5770                                    .style(ButtonStyle::Filled)
5771                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5772                                    .layer(ElevationIndex::ModalSurface)
5773                                    .label_size(LabelSize::Small)
5774                                    .key_binding(
5775                                        KeyBinding::for_action_in(
5776                                            &ContinueWithBurnMode,
5777                                            &focus_handle,
5778                                            cx,
5779                                        )
5780                                        .map(|kb| kb.size(rems_from_px(10.))),
5781                                    )
5782                                    .tooltip(Tooltip::text(
5783                                        "Enable Burn Mode for unlimited tool use.",
5784                                    ))
5785                                    .on_click({
5786                                        cx.listener(move |this, _, _window, cx| {
5787                                            thread.update(cx, |thread, cx| {
5788                                                thread
5789                                                    .set_completion_mode(CompletionMode::Burn, cx);
5790                                            });
5791                                            this.resume_chat(cx);
5792                                        })
5793                                    }),
5794                            )
5795                        })
5796                        .child(
5797                            Button::new("continue-conversation", "Continue")
5798                                .layer(ElevationIndex::ModalSurface)
5799                                .label_size(LabelSize::Small)
5800                                .key_binding(
5801                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5802                                        .map(|kb| kb.size(rems_from_px(10.))),
5803                                )
5804                                .on_click(cx.listener(|this, _, _window, cx| {
5805                                    this.resume_chat(cx);
5806                                })),
5807                        ),
5808                ),
5809        )
5810    }
5811
5812    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5813        let message = message.into();
5814
5815        IconButton::new("copy", IconName::Copy)
5816            .icon_size(IconSize::Small)
5817            .tooltip(Tooltip::text("Copy Error Message"))
5818            .on_click(move |_, _, cx| {
5819                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5820            })
5821    }
5822
5823    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5824        IconButton::new("dismiss", IconName::Close)
5825            .icon_size(IconSize::Small)
5826            .tooltip(Tooltip::text("Dismiss Error"))
5827            .on_click(cx.listener({
5828                move |this, _, _, cx| {
5829                    this.clear_thread_error(cx);
5830                    cx.notify();
5831                }
5832            }))
5833    }
5834
5835    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5836        Button::new("authenticate", "Authenticate")
5837            .label_size(LabelSize::Small)
5838            .style(ButtonStyle::Filled)
5839            .on_click(cx.listener({
5840                move |this, _, window, cx| {
5841                    let agent = this.agent.clone();
5842                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5843                        return;
5844                    };
5845
5846                    let connection = thread.read(cx).connection().clone();
5847                    this.clear_thread_error(cx);
5848                    if let Some(message) = this.in_flight_prompt.take() {
5849                        this.message_editor.update(cx, |editor, cx| {
5850                            editor.set_message(message, window, cx);
5851                        });
5852                    }
5853                    let this = cx.weak_entity();
5854                    window.defer(cx, |window, cx| {
5855                        Self::handle_auth_required(
5856                            this,
5857                            AuthRequired::new(),
5858                            agent,
5859                            connection,
5860                            window,
5861                            cx,
5862                        );
5863                    })
5864                }
5865            }))
5866    }
5867
5868    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5869        let agent = self.agent.clone();
5870        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5871            return;
5872        };
5873
5874        let connection = thread.read(cx).connection().clone();
5875        self.clear_thread_error(cx);
5876        let this = cx.weak_entity();
5877        window.defer(cx, |window, cx| {
5878            Self::handle_auth_required(this, AuthRequired::new(), agent, connection, window, cx);
5879        })
5880    }
5881
5882    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5883        Button::new("upgrade", "Upgrade")
5884            .label_size(LabelSize::Small)
5885            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5886            .on_click(cx.listener({
5887                move |this, _, _, cx| {
5888                    this.clear_thread_error(cx);
5889                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5890                }
5891            }))
5892    }
5893
5894    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5895        let task = match entry {
5896            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5897                history.delete_thread(thread.id.clone(), cx)
5898            }),
5899            HistoryEntry::TextThread(text_thread) => {
5900                self.history_store.update(cx, |history, cx| {
5901                    history.delete_text_thread(text_thread.path.clone(), cx)
5902                })
5903            }
5904        };
5905        task.detach_and_log_err(cx);
5906    }
5907
5908    /// Returns the currently active editor, either for a message that is being
5909    /// edited or the editor for a new message.
5910    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5911        if let Some(index) = self.editing_message
5912            && let Some(editor) = self
5913                .entry_view_state
5914                .read(cx)
5915                .entry(index)
5916                .and_then(|e| e.message_editor())
5917                .cloned()
5918        {
5919            editor
5920        } else {
5921            self.message_editor.clone()
5922        }
5923    }
5924}
5925
5926fn loading_contents_spinner(size: IconSize) -> AnyElement {
5927    Icon::new(IconName::LoadCircle)
5928        .size(size)
5929        .color(Color::Accent)
5930        .with_rotate_animation(3)
5931        .into_any_element()
5932}
5933
5934fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
5935    if agent_name == "Zed Agent" {
5936        format!("Message the {} — @ to include context", agent_name)
5937    } else if has_commands {
5938        format!(
5939            "Message {} — @ to include context, / for commands",
5940            agent_name
5941        )
5942    } else {
5943        format!("Message {} — @ to include context", agent_name)
5944    }
5945}
5946
5947impl Focusable for AcpThreadView {
5948    fn focus_handle(&self, cx: &App) -> FocusHandle {
5949        match self.thread_state {
5950            ThreadState::Ready { .. } => self.active_editor(cx).focus_handle(cx),
5951            ThreadState::Loading { .. }
5952            | ThreadState::LoadError(_)
5953            | ThreadState::Unauthenticated { .. } => self.focus_handle.clone(),
5954        }
5955    }
5956}
5957
5958impl Render for AcpThreadView {
5959    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5960        let has_messages = self.list_state.item_count() > 0;
5961        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5962
5963        v_flex()
5964            .size_full()
5965            .key_context("AcpThread")
5966            .on_action(cx.listener(Self::toggle_burn_mode))
5967            .on_action(cx.listener(Self::keep_all))
5968            .on_action(cx.listener(Self::reject_all))
5969            .on_action(cx.listener(Self::allow_always))
5970            .on_action(cx.listener(Self::allow_once))
5971            .on_action(cx.listener(Self::reject_once))
5972            .track_focus(&self.focus_handle)
5973            .bg(cx.theme().colors().panel_background)
5974            .child(match &self.thread_state {
5975                ThreadState::Unauthenticated {
5976                    connection,
5977                    description,
5978                    configuration_view,
5979                    pending_auth_method,
5980                    ..
5981                } => v_flex()
5982                    .flex_1()
5983                    .size_full()
5984                    .justify_end()
5985                    .child(self.render_auth_required_state(
5986                        connection,
5987                        description.as_ref(),
5988                        configuration_view.as_ref(),
5989                        pending_auth_method.as_ref(),
5990                        window,
5991                        cx,
5992                    ))
5993                    .into_any_element(),
5994                ThreadState::Loading { .. } => v_flex()
5995                    .flex_1()
5996                    .child(self.render_recent_history(cx))
5997                    .into_any(),
5998                ThreadState::LoadError(e) => v_flex()
5999                    .flex_1()
6000                    .size_full()
6001                    .items_center()
6002                    .justify_end()
6003                    .child(self.render_load_error(e, window, cx))
6004                    .into_any(),
6005                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
6006                    if has_messages {
6007                        this.child(
6008                            list(
6009                                self.list_state.clone(),
6010                                cx.processor(|this, index: usize, window, cx| {
6011                                    let Some((entry, len)) = this.thread().and_then(|thread| {
6012                                        let entries = &thread.read(cx).entries();
6013                                        Some((entries.get(index)?, entries.len()))
6014                                    }) else {
6015                                        return Empty.into_any();
6016                                    };
6017                                    this.render_entry(index, len, entry, window, cx)
6018                                }),
6019                            )
6020                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
6021                            .flex_grow()
6022                            .into_any(),
6023                        )
6024                        .vertical_scrollbar_for(&self.list_state, window, cx)
6025                        .into_any()
6026                    } else {
6027                        this.child(self.render_recent_history(cx)).into_any()
6028                    }
6029                }),
6030            })
6031            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
6032            // above so that the scrollbar doesn't render behind it. The current setup allows
6033            // the scrollbar to stop exactly at the activity bar start.
6034            .when(has_messages, |this| match &self.thread_state {
6035                ThreadState::Ready { thread, .. } => {
6036                    this.children(self.render_activity_bar(thread, window, cx))
6037                }
6038                _ => this,
6039            })
6040            .children(self.render_thread_retry_status_callout(window, cx))
6041            .when(self.show_codex_windows_warning, |this| {
6042                this.child(self.render_codex_windows_warning(cx))
6043            })
6044            .children(self.render_thread_error(window, cx))
6045            .when_some(
6046                self.new_server_version_available.as_ref().filter(|_| {
6047                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
6048                }),
6049                |this, version| this.child(self.render_new_version_callout(&version, cx)),
6050            )
6051            .children(
6052                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
6053                    Some(usage_callout.into_any_element())
6054                } else {
6055                    self.render_token_limit_callout(line_height, cx)
6056                        .map(|token_limit_callout| token_limit_callout.into_any_element())
6057                },
6058            )
6059            .child(self.render_message_editor(window, cx))
6060    }
6061}
6062
6063fn default_markdown_style(
6064    buffer_font: bool,
6065    muted_text: bool,
6066    window: &Window,
6067    cx: &App,
6068) -> MarkdownStyle {
6069    let theme_settings = ThemeSettings::get_global(cx);
6070    let colors = cx.theme().colors();
6071
6072    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
6073
6074    let mut text_style = window.text_style();
6075    let line_height = buffer_font_size * 1.75;
6076
6077    let font_family = if buffer_font {
6078        theme_settings.buffer_font.family.clone()
6079    } else {
6080        theme_settings.ui_font.family.clone()
6081    };
6082
6083    let font_size = if buffer_font {
6084        theme_settings.agent_buffer_font_size(cx)
6085    } else {
6086        theme_settings.agent_ui_font_size(cx)
6087    };
6088
6089    let text_color = if muted_text {
6090        colors.text_muted
6091    } else {
6092        colors.text
6093    };
6094
6095    text_style.refine(&TextStyleRefinement {
6096        font_family: Some(font_family),
6097        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
6098        font_features: Some(theme_settings.ui_font.features.clone()),
6099        font_size: Some(font_size.into()),
6100        line_height: Some(line_height.into()),
6101        color: Some(text_color),
6102        ..Default::default()
6103    });
6104
6105    MarkdownStyle {
6106        base_text_style: text_style.clone(),
6107        syntax: cx.theme().syntax().clone(),
6108        selection_background_color: colors.element_selection_background,
6109        code_block_overflow_x_scroll: true,
6110        heading_level_styles: Some(HeadingLevelStyles {
6111            h1: Some(TextStyleRefinement {
6112                font_size: Some(rems(1.15).into()),
6113                ..Default::default()
6114            }),
6115            h2: Some(TextStyleRefinement {
6116                font_size: Some(rems(1.1).into()),
6117                ..Default::default()
6118            }),
6119            h3: Some(TextStyleRefinement {
6120                font_size: Some(rems(1.05).into()),
6121                ..Default::default()
6122            }),
6123            h4: Some(TextStyleRefinement {
6124                font_size: Some(rems(1.).into()),
6125                ..Default::default()
6126            }),
6127            h5: Some(TextStyleRefinement {
6128                font_size: Some(rems(0.95).into()),
6129                ..Default::default()
6130            }),
6131            h6: Some(TextStyleRefinement {
6132                font_size: Some(rems(0.875).into()),
6133                ..Default::default()
6134            }),
6135        }),
6136        code_block: StyleRefinement {
6137            padding: EdgesRefinement {
6138                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6139                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6140                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6141                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6142            },
6143            margin: EdgesRefinement {
6144                top: Some(Length::Definite(px(8.).into())),
6145                left: Some(Length::Definite(px(0.).into())),
6146                right: Some(Length::Definite(px(0.).into())),
6147                bottom: Some(Length::Definite(px(12.).into())),
6148            },
6149            border_style: Some(BorderStyle::Solid),
6150            border_widths: EdgesRefinement {
6151                top: Some(AbsoluteLength::Pixels(px(1.))),
6152                left: Some(AbsoluteLength::Pixels(px(1.))),
6153                right: Some(AbsoluteLength::Pixels(px(1.))),
6154                bottom: Some(AbsoluteLength::Pixels(px(1.))),
6155            },
6156            border_color: Some(colors.border_variant),
6157            background: Some(colors.editor_background.into()),
6158            text: TextStyleRefinement {
6159                font_family: Some(theme_settings.buffer_font.family.clone()),
6160                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6161                font_features: Some(theme_settings.buffer_font.features.clone()),
6162                font_size: Some(buffer_font_size.into()),
6163                ..Default::default()
6164            },
6165            ..Default::default()
6166        },
6167        inline_code: TextStyleRefinement {
6168            font_family: Some(theme_settings.buffer_font.family.clone()),
6169            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6170            font_features: Some(theme_settings.buffer_font.features.clone()),
6171            font_size: Some(buffer_font_size.into()),
6172            background_color: Some(colors.editor_foreground.opacity(0.08)),
6173            ..Default::default()
6174        },
6175        link: TextStyleRefinement {
6176            background_color: Some(colors.editor_foreground.opacity(0.025)),
6177            color: Some(colors.text_accent),
6178            underline: Some(UnderlineStyle {
6179                color: Some(colors.text_accent.opacity(0.5)),
6180                thickness: px(1.),
6181                ..Default::default()
6182            }),
6183            ..Default::default()
6184        },
6185        ..Default::default()
6186    }
6187}
6188
6189fn plan_label_markdown_style(
6190    status: &acp::PlanEntryStatus,
6191    window: &Window,
6192    cx: &App,
6193) -> MarkdownStyle {
6194    let default_md_style = default_markdown_style(false, false, window, cx);
6195
6196    MarkdownStyle {
6197        base_text_style: TextStyle {
6198            color: cx.theme().colors().text_muted,
6199            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
6200                Some(gpui::StrikethroughStyle {
6201                    thickness: px(1.),
6202                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
6203                })
6204            } else {
6205                None
6206            },
6207            ..default_md_style.base_text_style
6208        },
6209        ..default_md_style
6210    }
6211}
6212
6213fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
6214    let default_md_style = default_markdown_style(true, false, window, cx);
6215
6216    MarkdownStyle {
6217        base_text_style: TextStyle {
6218            ..default_md_style.base_text_style
6219        },
6220        selection_background_color: cx.theme().colors().element_selection_background,
6221        ..Default::default()
6222    }
6223}
6224
6225#[cfg(test)]
6226pub(crate) mod tests {
6227    use acp_thread::StubAgentConnection;
6228    use agent_client_protocol::SessionId;
6229    use assistant_text_thread::TextThreadStore;
6230    use editor::MultiBufferOffset;
6231    use fs::FakeFs;
6232    use gpui::{EventEmitter, TestAppContext, VisualTestContext};
6233    use project::Project;
6234    use serde_json::json;
6235    use settings::SettingsStore;
6236    use std::any::Any;
6237    use std::path::Path;
6238    use workspace::Item;
6239
6240    use super::*;
6241
6242    #[gpui::test]
6243    async fn test_drop(cx: &mut TestAppContext) {
6244        init_test(cx);
6245
6246        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6247        let weak_view = thread_view.downgrade();
6248        drop(thread_view);
6249        assert!(!weak_view.is_upgradable());
6250    }
6251
6252    #[gpui::test]
6253    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
6254        init_test(cx);
6255
6256        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6257
6258        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6259        message_editor.update_in(cx, |editor, window, cx| {
6260            editor.set_text("Hello", window, cx);
6261        });
6262
6263        cx.deactivate_window();
6264
6265        thread_view.update_in(cx, |thread_view, window, cx| {
6266            thread_view.send(window, cx);
6267        });
6268
6269        cx.run_until_parked();
6270
6271        assert!(
6272            cx.windows()
6273                .iter()
6274                .any(|window| window.downcast::<AgentNotification>().is_some())
6275        );
6276    }
6277
6278    #[gpui::test]
6279    async fn test_notification_for_error(cx: &mut TestAppContext) {
6280        init_test(cx);
6281
6282        let (thread_view, cx) =
6283            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
6284
6285        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6286        message_editor.update_in(cx, |editor, window, cx| {
6287            editor.set_text("Hello", window, cx);
6288        });
6289
6290        cx.deactivate_window();
6291
6292        thread_view.update_in(cx, |thread_view, window, cx| {
6293            thread_view.send(window, cx);
6294        });
6295
6296        cx.run_until_parked();
6297
6298        assert!(
6299            cx.windows()
6300                .iter()
6301                .any(|window| window.downcast::<AgentNotification>().is_some())
6302        );
6303    }
6304
6305    #[gpui::test]
6306    async fn test_refusal_handling(cx: &mut TestAppContext) {
6307        init_test(cx);
6308
6309        let (thread_view, cx) =
6310            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
6311
6312        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6313        message_editor.update_in(cx, |editor, window, cx| {
6314            editor.set_text("Do something harmful", window, cx);
6315        });
6316
6317        thread_view.update_in(cx, |thread_view, window, cx| {
6318            thread_view.send(window, cx);
6319        });
6320
6321        cx.run_until_parked();
6322
6323        // Check that the refusal error is set
6324        thread_view.read_with(cx, |thread_view, _cx| {
6325            assert!(
6326                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
6327                "Expected refusal error to be set"
6328            );
6329        });
6330    }
6331
6332    #[gpui::test]
6333    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
6334        init_test(cx);
6335
6336        let tool_call_id = acp::ToolCallId::new("1");
6337        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
6338            .kind(acp::ToolKind::Edit)
6339            .content(vec!["hi".into()]);
6340        let connection =
6341            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6342                tool_call_id,
6343                vec![acp::PermissionOption::new(
6344                    "1",
6345                    "Allow",
6346                    acp::PermissionOptionKind::AllowOnce,
6347                )],
6348            )]));
6349
6350        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6351
6352        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6353
6354        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6355        message_editor.update_in(cx, |editor, window, cx| {
6356            editor.set_text("Hello", window, cx);
6357        });
6358
6359        cx.deactivate_window();
6360
6361        thread_view.update_in(cx, |thread_view, window, cx| {
6362            thread_view.send(window, cx);
6363        });
6364
6365        cx.run_until_parked();
6366
6367        assert!(
6368            cx.windows()
6369                .iter()
6370                .any(|window| window.downcast::<AgentNotification>().is_some())
6371        );
6372    }
6373
6374    #[gpui::test]
6375    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
6376        init_test(cx);
6377
6378        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6379
6380        add_to_workspace(thread_view.clone(), cx);
6381
6382        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6383
6384        message_editor.update_in(cx, |editor, window, cx| {
6385            editor.set_text("Hello", window, cx);
6386        });
6387
6388        // Window is active (don't deactivate), but panel will be hidden
6389        // Note: In the test environment, the panel is not actually added to the dock,
6390        // so is_agent_panel_hidden will return true
6391
6392        thread_view.update_in(cx, |thread_view, window, cx| {
6393            thread_view.send(window, cx);
6394        });
6395
6396        cx.run_until_parked();
6397
6398        // Should show notification because window is active but panel is hidden
6399        assert!(
6400            cx.windows()
6401                .iter()
6402                .any(|window| window.downcast::<AgentNotification>().is_some()),
6403            "Expected notification when panel is hidden"
6404        );
6405    }
6406
6407    #[gpui::test]
6408    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
6409        init_test(cx);
6410
6411        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6412
6413        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6414        message_editor.update_in(cx, |editor, window, cx| {
6415            editor.set_text("Hello", window, cx);
6416        });
6417
6418        // Deactivate window - should show notification regardless of setting
6419        cx.deactivate_window();
6420
6421        thread_view.update_in(cx, |thread_view, window, cx| {
6422            thread_view.send(window, cx);
6423        });
6424
6425        cx.run_until_parked();
6426
6427        // Should still show notification when window is inactive (existing behavior)
6428        assert!(
6429            cx.windows()
6430                .iter()
6431                .any(|window| window.downcast::<AgentNotification>().is_some()),
6432            "Expected notification when window is inactive"
6433        );
6434    }
6435
6436    #[gpui::test]
6437    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
6438        init_test(cx);
6439
6440        // Set notify_when_agent_waiting to Never
6441        cx.update(|cx| {
6442            AgentSettings::override_global(
6443                AgentSettings {
6444                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6445                    ..AgentSettings::get_global(cx).clone()
6446                },
6447                cx,
6448            );
6449        });
6450
6451        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6452
6453        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6454        message_editor.update_in(cx, |editor, window, cx| {
6455            editor.set_text("Hello", window, cx);
6456        });
6457
6458        // Window is active
6459
6460        thread_view.update_in(cx, |thread_view, window, cx| {
6461            thread_view.send(window, cx);
6462        });
6463
6464        cx.run_until_parked();
6465
6466        // Should NOT show notification because notify_when_agent_waiting is Never
6467        assert!(
6468            !cx.windows()
6469                .iter()
6470                .any(|window| window.downcast::<AgentNotification>().is_some()),
6471            "Expected no notification when notify_when_agent_waiting is Never"
6472        );
6473    }
6474
6475    #[gpui::test]
6476    async fn test_notification_closed_when_thread_view_dropped(cx: &mut TestAppContext) {
6477        init_test(cx);
6478
6479        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6480
6481        let weak_view = thread_view.downgrade();
6482
6483        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6484        message_editor.update_in(cx, |editor, window, cx| {
6485            editor.set_text("Hello", window, cx);
6486        });
6487
6488        cx.deactivate_window();
6489
6490        thread_view.update_in(cx, |thread_view, window, cx| {
6491            thread_view.send(window, cx);
6492        });
6493
6494        cx.run_until_parked();
6495
6496        // Verify notification is shown
6497        assert!(
6498            cx.windows()
6499                .iter()
6500                .any(|window| window.downcast::<AgentNotification>().is_some()),
6501            "Expected notification to be shown"
6502        );
6503
6504        // Drop the thread view (simulating navigation to a new thread)
6505        drop(thread_view);
6506        drop(message_editor);
6507        // Trigger an update to flush effects, which will call release_dropped_entities
6508        cx.update(|_window, _cx| {});
6509        cx.run_until_parked();
6510
6511        // Verify the entity was actually released
6512        assert!(
6513            !weak_view.is_upgradable(),
6514            "Thread view entity should be released after dropping"
6515        );
6516
6517        // The notification should be automatically closed via on_release
6518        assert!(
6519            !cx.windows()
6520                .iter()
6521                .any(|window| window.downcast::<AgentNotification>().is_some()),
6522            "Notification should be closed when thread view is dropped"
6523        );
6524    }
6525
6526    async fn setup_thread_view(
6527        agent: impl AgentServer + 'static,
6528        cx: &mut TestAppContext,
6529    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
6530        let fs = FakeFs::new(cx.executor());
6531        let project = Project::test(fs, [], cx).await;
6532        let (workspace, cx) =
6533            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6534
6535        let text_thread_store =
6536            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6537        let history_store =
6538            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6539
6540        let thread_view = cx.update(|window, cx| {
6541            cx.new(|cx| {
6542                AcpThreadView::new(
6543                    Rc::new(agent),
6544                    None,
6545                    None,
6546                    workspace.downgrade(),
6547                    project,
6548                    history_store,
6549                    None,
6550                    false,
6551                    window,
6552                    cx,
6553                )
6554            })
6555        });
6556        cx.run_until_parked();
6557        (thread_view, cx)
6558    }
6559
6560    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6561        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6562
6563        workspace
6564            .update_in(cx, |workspace, window, cx| {
6565                workspace.add_item_to_active_pane(
6566                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6567                    None,
6568                    true,
6569                    window,
6570                    cx,
6571                );
6572            })
6573            .unwrap();
6574    }
6575
6576    struct ThreadViewItem(Entity<AcpThreadView>);
6577
6578    impl Item for ThreadViewItem {
6579        type Event = ();
6580
6581        fn include_in_nav_history() -> bool {
6582            false
6583        }
6584
6585        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6586            "Test".into()
6587        }
6588    }
6589
6590    impl EventEmitter<()> for ThreadViewItem {}
6591
6592    impl Focusable for ThreadViewItem {
6593        fn focus_handle(&self, cx: &App) -> FocusHandle {
6594            self.0.read(cx).focus_handle(cx)
6595        }
6596    }
6597
6598    impl Render for ThreadViewItem {
6599        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6600            self.0.clone().into_any_element()
6601        }
6602    }
6603
6604    struct StubAgentServer<C> {
6605        connection: C,
6606    }
6607
6608    impl<C> StubAgentServer<C> {
6609        fn new(connection: C) -> Self {
6610            Self { connection }
6611        }
6612    }
6613
6614    impl StubAgentServer<StubAgentConnection> {
6615        fn default_response() -> Self {
6616            let conn = StubAgentConnection::new();
6617            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6618                acp::ContentChunk::new("Default response".into()),
6619            )]);
6620            Self::new(conn)
6621        }
6622    }
6623
6624    impl<C> AgentServer for StubAgentServer<C>
6625    where
6626        C: 'static + AgentConnection + Send + Clone,
6627    {
6628        fn logo(&self) -> ui::IconName {
6629            ui::IconName::Ai
6630        }
6631
6632        fn name(&self) -> SharedString {
6633            "Test".into()
6634        }
6635
6636        fn connect(
6637            &self,
6638            _root_dir: Option<&Path>,
6639            _delegate: AgentServerDelegate,
6640            _cx: &mut App,
6641        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6642            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6643        }
6644
6645        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6646            self
6647        }
6648    }
6649
6650    #[derive(Clone)]
6651    struct SaboteurAgentConnection;
6652
6653    impl AgentConnection for SaboteurAgentConnection {
6654        fn telemetry_id(&self) -> SharedString {
6655            "saboteur".into()
6656        }
6657
6658        fn new_thread(
6659            self: Rc<Self>,
6660            project: Entity<Project>,
6661            _cwd: &Path,
6662            cx: &mut gpui::App,
6663        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6664            Task::ready(Ok(cx.new(|cx| {
6665                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6666                AcpThread::new(
6667                    "SaboteurAgentConnection",
6668                    self,
6669                    project,
6670                    action_log,
6671                    SessionId::new("test"),
6672                    watch::Receiver::constant(
6673                        acp::PromptCapabilities::new()
6674                            .image(true)
6675                            .audio(true)
6676                            .embedded_context(true),
6677                    ),
6678                    cx,
6679                )
6680            })))
6681        }
6682
6683        fn auth_methods(&self) -> &[acp::AuthMethod] {
6684            &[]
6685        }
6686
6687        fn authenticate(
6688            &self,
6689            _method_id: acp::AuthMethodId,
6690            _cx: &mut App,
6691        ) -> Task<gpui::Result<()>> {
6692            unimplemented!()
6693        }
6694
6695        fn prompt(
6696            &self,
6697            _id: Option<acp_thread::UserMessageId>,
6698            _params: acp::PromptRequest,
6699            _cx: &mut App,
6700        ) -> Task<gpui::Result<acp::PromptResponse>> {
6701            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6702        }
6703
6704        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6705            unimplemented!()
6706        }
6707
6708        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6709            self
6710        }
6711    }
6712
6713    /// Simulates a model which always returns a refusal response
6714    #[derive(Clone)]
6715    struct RefusalAgentConnection;
6716
6717    impl AgentConnection for RefusalAgentConnection {
6718        fn telemetry_id(&self) -> SharedString {
6719            "refusal".into()
6720        }
6721
6722        fn new_thread(
6723            self: Rc<Self>,
6724            project: Entity<Project>,
6725            _cwd: &Path,
6726            cx: &mut gpui::App,
6727        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6728            Task::ready(Ok(cx.new(|cx| {
6729                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6730                AcpThread::new(
6731                    "RefusalAgentConnection",
6732                    self,
6733                    project,
6734                    action_log,
6735                    SessionId::new("test"),
6736                    watch::Receiver::constant(
6737                        acp::PromptCapabilities::new()
6738                            .image(true)
6739                            .audio(true)
6740                            .embedded_context(true),
6741                    ),
6742                    cx,
6743                )
6744            })))
6745        }
6746
6747        fn auth_methods(&self) -> &[acp::AuthMethod] {
6748            &[]
6749        }
6750
6751        fn authenticate(
6752            &self,
6753            _method_id: acp::AuthMethodId,
6754            _cx: &mut App,
6755        ) -> Task<gpui::Result<()>> {
6756            unimplemented!()
6757        }
6758
6759        fn prompt(
6760            &self,
6761            _id: Option<acp_thread::UserMessageId>,
6762            _params: acp::PromptRequest,
6763            _cx: &mut App,
6764        ) -> Task<gpui::Result<acp::PromptResponse>> {
6765            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
6766        }
6767
6768        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6769            unimplemented!()
6770        }
6771
6772        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6773            self
6774        }
6775    }
6776
6777    pub(crate) fn init_test(cx: &mut TestAppContext) {
6778        cx.update(|cx| {
6779            let settings_store = SettingsStore::test(cx);
6780            cx.set_global(settings_store);
6781            theme::init(theme::LoadThemes::JustBase, cx);
6782            release_channel::init(semver::Version::new(0, 0, 0), cx);
6783            prompt_store::init(cx)
6784        });
6785    }
6786
6787    #[gpui::test]
6788    async fn test_rewind_views(cx: &mut TestAppContext) {
6789        init_test(cx);
6790
6791        let fs = FakeFs::new(cx.executor());
6792        fs.insert_tree(
6793            "/project",
6794            json!({
6795                "test1.txt": "old content 1",
6796                "test2.txt": "old content 2"
6797            }),
6798        )
6799        .await;
6800        let project = Project::test(fs, [Path::new("/project")], cx).await;
6801        let (workspace, cx) =
6802            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6803
6804        let text_thread_store =
6805            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6806        let history_store =
6807            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6808
6809        let connection = Rc::new(StubAgentConnection::new());
6810        let thread_view = cx.update(|window, cx| {
6811            cx.new(|cx| {
6812                AcpThreadView::new(
6813                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6814                    None,
6815                    None,
6816                    workspace.downgrade(),
6817                    project.clone(),
6818                    history_store.clone(),
6819                    None,
6820                    false,
6821                    window,
6822                    cx,
6823                )
6824            })
6825        });
6826
6827        cx.run_until_parked();
6828
6829        let thread = thread_view
6830            .read_with(cx, |view, _| view.thread().cloned())
6831            .unwrap();
6832
6833        // First user message
6834        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
6835            acp::ToolCall::new("tool1", "Edit file 1")
6836                .kind(acp::ToolKind::Edit)
6837                .status(acp::ToolCallStatus::Completed)
6838                .content(vec![acp::ToolCallContent::Diff(
6839                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
6840                )]),
6841        )]);
6842
6843        thread
6844            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6845            .await
6846            .unwrap();
6847        cx.run_until_parked();
6848
6849        thread.read_with(cx, |thread, _| {
6850            assert_eq!(thread.entries().len(), 2);
6851        });
6852
6853        thread_view.read_with(cx, |view, cx| {
6854            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6855                assert!(
6856                    entry_view_state
6857                        .entry(0)
6858                        .unwrap()
6859                        .message_editor()
6860                        .is_some()
6861                );
6862                assert!(entry_view_state.entry(1).unwrap().has_content());
6863            });
6864        });
6865
6866        // Second user message
6867        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
6868            acp::ToolCall::new("tool2", "Edit file 2")
6869                .kind(acp::ToolKind::Edit)
6870                .status(acp::ToolCallStatus::Completed)
6871                .content(vec![acp::ToolCallContent::Diff(
6872                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
6873                )]),
6874        )]);
6875
6876        thread
6877            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6878            .await
6879            .unwrap();
6880        cx.run_until_parked();
6881
6882        let second_user_message_id = thread.read_with(cx, |thread, _| {
6883            assert_eq!(thread.entries().len(), 4);
6884            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6885                panic!();
6886            };
6887            user_message.id.clone().unwrap()
6888        });
6889
6890        thread_view.read_with(cx, |view, cx| {
6891            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6892                assert!(
6893                    entry_view_state
6894                        .entry(0)
6895                        .unwrap()
6896                        .message_editor()
6897                        .is_some()
6898                );
6899                assert!(entry_view_state.entry(1).unwrap().has_content());
6900                assert!(
6901                    entry_view_state
6902                        .entry(2)
6903                        .unwrap()
6904                        .message_editor()
6905                        .is_some()
6906                );
6907                assert!(entry_view_state.entry(3).unwrap().has_content());
6908            });
6909        });
6910
6911        // Rewind to first message
6912        thread
6913            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6914            .await
6915            .unwrap();
6916
6917        cx.run_until_parked();
6918
6919        thread.read_with(cx, |thread, _| {
6920            assert_eq!(thread.entries().len(), 2);
6921        });
6922
6923        thread_view.read_with(cx, |view, cx| {
6924            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6925                assert!(
6926                    entry_view_state
6927                        .entry(0)
6928                        .unwrap()
6929                        .message_editor()
6930                        .is_some()
6931                );
6932                assert!(entry_view_state.entry(1).unwrap().has_content());
6933
6934                // Old views should be dropped
6935                assert!(entry_view_state.entry(2).is_none());
6936                assert!(entry_view_state.entry(3).is_none());
6937            });
6938        });
6939    }
6940
6941    #[gpui::test]
6942    async fn test_scroll_to_most_recent_user_prompt(cx: &mut TestAppContext) {
6943        init_test(cx);
6944
6945        let connection = StubAgentConnection::new();
6946
6947        // Each user prompt will result in a user message entry plus an agent message entry.
6948        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6949            acp::ContentChunk::new("Response 1".into()),
6950        )]);
6951
6952        let (thread_view, cx) =
6953            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6954
6955        let thread = thread_view
6956            .read_with(cx, |view, _| view.thread().cloned())
6957            .unwrap();
6958
6959        thread
6960            .update(cx, |thread, cx| thread.send_raw("Prompt 1", cx))
6961            .await
6962            .unwrap();
6963        cx.run_until_parked();
6964
6965        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6966            acp::ContentChunk::new("Response 2".into()),
6967        )]);
6968
6969        thread
6970            .update(cx, |thread, cx| thread.send_raw("Prompt 2", cx))
6971            .await
6972            .unwrap();
6973        cx.run_until_parked();
6974
6975        // Move somewhere else first so we're not trivially already on the last user prompt.
6976        thread_view.update(cx, |view, cx| {
6977            view.scroll_to_top(cx);
6978        });
6979        cx.run_until_parked();
6980
6981        thread_view.update(cx, |view, cx| {
6982            view.scroll_to_most_recent_user_prompt(cx);
6983            let scroll_top = view.list_state.logical_scroll_top();
6984            // Entries layout is: [User1, Assistant1, User2, Assistant2]
6985            assert_eq!(scroll_top.item_ix, 2);
6986        });
6987    }
6988
6989    #[gpui::test]
6990    async fn test_scroll_to_most_recent_user_prompt_falls_back_to_bottom_without_user_messages(
6991        cx: &mut TestAppContext,
6992    ) {
6993        init_test(cx);
6994
6995        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6996
6997        // With no entries, scrolling should be a no-op and must not panic.
6998        thread_view.update(cx, |view, cx| {
6999            view.scroll_to_most_recent_user_prompt(cx);
7000            let scroll_top = view.list_state.logical_scroll_top();
7001            assert_eq!(scroll_top.item_ix, 0);
7002        });
7003    }
7004
7005    #[gpui::test]
7006    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
7007        init_test(cx);
7008
7009        let connection = StubAgentConnection::new();
7010
7011        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7012            acp::ContentChunk::new("Response".into()),
7013        )]);
7014
7015        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7016        add_to_workspace(thread_view.clone(), cx);
7017
7018        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7019        message_editor.update_in(cx, |editor, window, cx| {
7020            editor.set_text("Original message to edit", window, cx);
7021        });
7022        thread_view.update_in(cx, |thread_view, window, cx| {
7023            thread_view.send(window, cx);
7024        });
7025
7026        cx.run_until_parked();
7027
7028        let user_message_editor = thread_view.read_with(cx, |view, cx| {
7029            assert_eq!(view.editing_message, None);
7030
7031            view.entry_view_state
7032                .read(cx)
7033                .entry(0)
7034                .unwrap()
7035                .message_editor()
7036                .unwrap()
7037                .clone()
7038        });
7039
7040        // Focus
7041        cx.focus(&user_message_editor);
7042        thread_view.read_with(cx, |view, _cx| {
7043            assert_eq!(view.editing_message, Some(0));
7044        });
7045
7046        // Edit
7047        user_message_editor.update_in(cx, |editor, window, cx| {
7048            editor.set_text("Edited message content", window, cx);
7049        });
7050
7051        // Cancel
7052        user_message_editor.update_in(cx, |_editor, window, cx| {
7053            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
7054        });
7055
7056        thread_view.read_with(cx, |view, _cx| {
7057            assert_eq!(view.editing_message, None);
7058        });
7059
7060        user_message_editor.read_with(cx, |editor, cx| {
7061            assert_eq!(editor.text(cx), "Original message to edit");
7062        });
7063    }
7064
7065    #[gpui::test]
7066    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
7067        init_test(cx);
7068
7069        let connection = StubAgentConnection::new();
7070
7071        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7072        add_to_workspace(thread_view.clone(), cx);
7073
7074        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7075        let mut events = cx.events(&message_editor);
7076        message_editor.update_in(cx, |editor, window, cx| {
7077            editor.set_text("", window, cx);
7078        });
7079
7080        message_editor.update_in(cx, |_editor, window, cx| {
7081            window.dispatch_action(Box::new(Chat), cx);
7082        });
7083        cx.run_until_parked();
7084        // We shouldn't have received any messages
7085        assert!(matches!(
7086            events.try_next(),
7087            Err(futures::channel::mpsc::TryRecvError { .. })
7088        ));
7089    }
7090
7091    #[gpui::test]
7092    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
7093        init_test(cx);
7094
7095        let connection = StubAgentConnection::new();
7096
7097        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7098            acp::ContentChunk::new("Response".into()),
7099        )]);
7100
7101        let (thread_view, cx) =
7102            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7103        add_to_workspace(thread_view.clone(), cx);
7104
7105        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7106        message_editor.update_in(cx, |editor, window, cx| {
7107            editor.set_text("Original message to edit", window, cx);
7108        });
7109        thread_view.update_in(cx, |thread_view, window, cx| {
7110            thread_view.send(window, cx);
7111        });
7112
7113        cx.run_until_parked();
7114
7115        let user_message_editor = thread_view.read_with(cx, |view, cx| {
7116            assert_eq!(view.editing_message, None);
7117            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
7118
7119            view.entry_view_state
7120                .read(cx)
7121                .entry(0)
7122                .unwrap()
7123                .message_editor()
7124                .unwrap()
7125                .clone()
7126        });
7127
7128        // Focus
7129        cx.focus(&user_message_editor);
7130
7131        // Edit
7132        user_message_editor.update_in(cx, |editor, window, cx| {
7133            editor.set_text("Edited message content", window, cx);
7134        });
7135
7136        // Send
7137        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7138            acp::ContentChunk::new("New Response".into()),
7139        )]);
7140
7141        user_message_editor.update_in(cx, |_editor, window, cx| {
7142            window.dispatch_action(Box::new(Chat), cx);
7143        });
7144
7145        cx.run_until_parked();
7146
7147        thread_view.read_with(cx, |view, cx| {
7148            assert_eq!(view.editing_message, None);
7149
7150            let entries = view.thread().unwrap().read(cx).entries();
7151            assert_eq!(entries.len(), 2);
7152            assert_eq!(
7153                entries[0].to_markdown(cx),
7154                "## User\n\nEdited message content\n\n"
7155            );
7156            assert_eq!(
7157                entries[1].to_markdown(cx),
7158                "## Assistant\n\nNew Response\n\n"
7159            );
7160
7161            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
7162                assert!(!state.entry(1).unwrap().has_content());
7163                state.entry(0).unwrap().message_editor().unwrap().clone()
7164            });
7165
7166            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
7167        })
7168    }
7169
7170    #[gpui::test]
7171    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
7172        init_test(cx);
7173
7174        let connection = StubAgentConnection::new();
7175
7176        let (thread_view, cx) =
7177            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7178        add_to_workspace(thread_view.clone(), cx);
7179
7180        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7181        message_editor.update_in(cx, |editor, window, cx| {
7182            editor.set_text("Original message to edit", window, cx);
7183        });
7184        thread_view.update_in(cx, |thread_view, window, cx| {
7185            thread_view.send(window, cx);
7186        });
7187
7188        cx.run_until_parked();
7189
7190        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
7191            let thread = view.thread().unwrap().read(cx);
7192            assert_eq!(thread.entries().len(), 1);
7193
7194            let editor = view
7195                .entry_view_state
7196                .read(cx)
7197                .entry(0)
7198                .unwrap()
7199                .message_editor()
7200                .unwrap()
7201                .clone();
7202
7203            (editor, thread.session_id().clone())
7204        });
7205
7206        // Focus
7207        cx.focus(&user_message_editor);
7208
7209        thread_view.read_with(cx, |view, _cx| {
7210            assert_eq!(view.editing_message, Some(0));
7211        });
7212
7213        // Edit
7214        user_message_editor.update_in(cx, |editor, window, cx| {
7215            editor.set_text("Edited message content", window, cx);
7216        });
7217
7218        thread_view.read_with(cx, |view, _cx| {
7219            assert_eq!(view.editing_message, Some(0));
7220        });
7221
7222        // Finish streaming response
7223        cx.update(|_, cx| {
7224            connection.send_update(
7225                session_id.clone(),
7226                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
7227                cx,
7228            );
7229            connection.end_turn(session_id, acp::StopReason::EndTurn);
7230        });
7231
7232        thread_view.read_with(cx, |view, _cx| {
7233            assert_eq!(view.editing_message, Some(0));
7234        });
7235
7236        cx.run_until_parked();
7237
7238        // Should still be editing
7239        cx.update(|window, cx| {
7240            assert!(user_message_editor.focus_handle(cx).is_focused(window));
7241            assert_eq!(thread_view.read(cx).editing_message, Some(0));
7242            assert_eq!(
7243                user_message_editor.read(cx).text(cx),
7244                "Edited message content"
7245            );
7246        });
7247    }
7248
7249    #[gpui::test]
7250    async fn test_interrupt(cx: &mut TestAppContext) {
7251        init_test(cx);
7252
7253        let connection = StubAgentConnection::new();
7254
7255        let (thread_view, cx) =
7256            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7257        add_to_workspace(thread_view.clone(), cx);
7258
7259        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7260        message_editor.update_in(cx, |editor, window, cx| {
7261            editor.set_text("Message 1", window, cx);
7262        });
7263        thread_view.update_in(cx, |thread_view, window, cx| {
7264            thread_view.send(window, cx);
7265        });
7266
7267        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
7268            let thread = view.thread().unwrap();
7269
7270            (thread.clone(), thread.read(cx).session_id().clone())
7271        });
7272
7273        cx.run_until_parked();
7274
7275        cx.update(|_, cx| {
7276            connection.send_update(
7277                session_id.clone(),
7278                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7279                    "Message 1 resp".into(),
7280                )),
7281                cx,
7282            );
7283        });
7284
7285        cx.run_until_parked();
7286
7287        thread.read_with(cx, |thread, cx| {
7288            assert_eq!(
7289                thread.to_markdown(cx),
7290                indoc::indoc! {"
7291                    ## User
7292
7293                    Message 1
7294
7295                    ## Assistant
7296
7297                    Message 1 resp
7298
7299                "}
7300            )
7301        });
7302
7303        message_editor.update_in(cx, |editor, window, cx| {
7304            editor.set_text("Message 2", window, cx);
7305        });
7306        thread_view.update_in(cx, |thread_view, window, cx| {
7307            thread_view.send(window, cx);
7308        });
7309
7310        cx.update(|_, cx| {
7311            // Simulate a response sent after beginning to cancel
7312            connection.send_update(
7313                session_id.clone(),
7314                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
7315                cx,
7316            );
7317        });
7318
7319        cx.run_until_parked();
7320
7321        // Last Message 1 response should appear before Message 2
7322        thread.read_with(cx, |thread, cx| {
7323            assert_eq!(
7324                thread.to_markdown(cx),
7325                indoc::indoc! {"
7326                    ## User
7327
7328                    Message 1
7329
7330                    ## Assistant
7331
7332                    Message 1 response
7333
7334                    ## User
7335
7336                    Message 2
7337
7338                "}
7339            )
7340        });
7341
7342        cx.update(|_, cx| {
7343            connection.send_update(
7344                session_id.clone(),
7345                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7346                    "Message 2 response".into(),
7347                )),
7348                cx,
7349            );
7350            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
7351        });
7352
7353        cx.run_until_parked();
7354
7355        thread.read_with(cx, |thread, cx| {
7356            assert_eq!(
7357                thread.to_markdown(cx),
7358                indoc::indoc! {"
7359                    ## User
7360
7361                    Message 1
7362
7363                    ## Assistant
7364
7365                    Message 1 response
7366
7367                    ## User
7368
7369                    Message 2
7370
7371                    ## Assistant
7372
7373                    Message 2 response
7374
7375                "}
7376            )
7377        });
7378    }
7379
7380    #[gpui::test]
7381    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
7382        init_test(cx);
7383
7384        let connection = StubAgentConnection::new();
7385        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7386            acp::ContentChunk::new("Response".into()),
7387        )]);
7388
7389        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7390        add_to_workspace(thread_view.clone(), cx);
7391
7392        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7393        message_editor.update_in(cx, |editor, window, cx| {
7394            editor.set_text("Original message to edit", window, cx)
7395        });
7396        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
7397        cx.run_until_parked();
7398
7399        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
7400            thread_view
7401                .entry_view_state
7402                .read(cx)
7403                .entry(0)
7404                .expect("Should have at least one entry")
7405                .message_editor()
7406                .expect("Should have message editor")
7407                .clone()
7408        });
7409
7410        cx.focus(&user_message_editor);
7411        thread_view.read_with(cx, |thread_view, _cx| {
7412            assert_eq!(thread_view.editing_message, Some(0));
7413        });
7414
7415        // Ensure to edit the focused message before proceeding otherwise, since
7416        // its content is not different from what was sent, focus will be lost.
7417        user_message_editor.update_in(cx, |editor, window, cx| {
7418            editor.set_text("Original message to edit with ", window, cx)
7419        });
7420
7421        // Create a simple buffer with some text so we can create a selection
7422        // that will then be added to the message being edited.
7423        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7424            (thread_view.workspace.clone(), thread_view.project.clone())
7425        });
7426        let buffer = project.update(cx, |project, cx| {
7427            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7428        });
7429
7430        workspace
7431            .update_in(cx, |workspace, window, cx| {
7432                let editor = cx.new(|cx| {
7433                    let mut editor =
7434                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7435
7436                    editor.change_selections(Default::default(), window, cx, |selections| {
7437                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7438                    });
7439
7440                    editor
7441                });
7442                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7443            })
7444            .unwrap();
7445
7446        thread_view.update_in(cx, |thread_view, window, cx| {
7447            assert_eq!(thread_view.editing_message, Some(0));
7448            thread_view.insert_selections(window, cx);
7449        });
7450
7451        user_message_editor.read_with(cx, |editor, cx| {
7452            let text = editor.editor().read(cx).text(cx);
7453            let expected_text = String::from("Original message to edit with selection ");
7454
7455            assert_eq!(text, expected_text);
7456        });
7457    }
7458
7459    #[gpui::test]
7460    async fn test_insert_selections(cx: &mut TestAppContext) {
7461        init_test(cx);
7462
7463        let connection = StubAgentConnection::new();
7464        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7465            acp::ContentChunk::new("Response".into()),
7466        )]);
7467
7468        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7469        add_to_workspace(thread_view.clone(), cx);
7470
7471        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7472        message_editor.update_in(cx, |editor, window, cx| {
7473            editor.set_text("Can you review this snippet ", window, cx)
7474        });
7475
7476        // Create a simple buffer with some text so we can create a selection
7477        // that will then be added to the message being edited.
7478        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7479            (thread_view.workspace.clone(), thread_view.project.clone())
7480        });
7481        let buffer = project.update(cx, |project, cx| {
7482            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7483        });
7484
7485        workspace
7486            .update_in(cx, |workspace, window, cx| {
7487                let editor = cx.new(|cx| {
7488                    let mut editor =
7489                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7490
7491                    editor.change_selections(Default::default(), window, cx, |selections| {
7492                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7493                    });
7494
7495                    editor
7496                });
7497                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7498            })
7499            .unwrap();
7500
7501        thread_view.update_in(cx, |thread_view, window, cx| {
7502            assert_eq!(thread_view.editing_message, None);
7503            thread_view.insert_selections(window, cx);
7504        });
7505
7506        thread_view.read_with(cx, |thread_view, cx| {
7507            let text = thread_view.message_editor.read(cx).text(cx);
7508            let expected_txt = String::from("Can you review this snippet selection ");
7509
7510            assert_eq!(text, expected_txt);
7511        })
7512    }
7513}