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;
   8use agent_client_protocol::{self as acp, PromptCapabilities};
   9use agent_servers::{AgentServer, ClaudeCode};
  10use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
  11use agent2::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore};
  12use anyhow::bail;
  13use audio::{Audio, Sound};
  14use buffer_diff::BufferDiff;
  15use client::zed_urls;
  16use collections::{HashMap, HashSet};
  17use editor::scroll::Autoscroll;
  18use editor::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  19use file_icons::FileIcons;
  20use fs::Fs;
  21use gpui::{
  22    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  23    EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length, ListOffset,
  24    ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement, Subscription,
  25    Task, TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity, Window,
  26    WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, percentage, point,
  27    prelude::*, pulsating_between,
  28};
  29use language::Buffer;
  30
  31use language_model::LanguageModelRegistry;
  32use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  33use project::{Project, ProjectEntryId};
  34use prompt_store::{PromptId, PromptStore};
  35use rope::Point;
  36use settings::{Settings as _, SettingsStore};
  37use std::cell::Cell;
  38use std::sync::Arc;
  39use std::time::Instant;
  40use std::{collections::BTreeMap, rc::Rc, time::Duration};
  41use text::Anchor;
  42use theme::ThemeSettings;
  43use ui::{
  44    Callout, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle,
  45    Scrollbar, ScrollbarState, SpinnerLabel, Tooltip, prelude::*,
  46};
  47use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  48use workspace::{CollaboratorId, Workspace};
  49use zed_actions::agent::{Chat, ToggleModelSelector};
  50use zed_actions::assistant::OpenRulesLibrary;
  51
  52use super::entry_view_state::EntryViewState;
  53use crate::acp::AcpModelSelectorPopover;
  54use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  55use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  56use crate::agent_diff::AgentDiff;
  57use crate::profile_selector::{ProfileProvider, ProfileSelector};
  58
  59use crate::ui::preview::UsageCallout;
  60use crate::ui::{
  61    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  62};
  63use crate::{
  64    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, ExpandMessageEditor, Follow,
  65    KeepAll, OpenAgentDiff, OpenHistory, RejectAll, ToggleBurnMode, ToggleProfileSelector,
  66};
  67
  68const RESPONSE_PADDING_X: Pixels = px(19.);
  69pub const MIN_EDITOR_LINES: usize = 4;
  70pub const MAX_EDITOR_LINES: usize = 8;
  71
  72#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  73enum ThreadFeedback {
  74    Positive,
  75    Negative,
  76}
  77
  78enum ThreadError {
  79    PaymentRequired,
  80    ModelRequestLimitReached(cloud_llm_client::Plan),
  81    ToolUseLimitReached,
  82    AuthenticationRequired(SharedString),
  83    Other(SharedString),
  84}
  85
  86impl ThreadError {
  87    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  88        if error.is::<language_model::PaymentRequiredError>() {
  89            Self::PaymentRequired
  90        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  91            Self::ToolUseLimitReached
  92        } else if let Some(error) =
  93            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  94        {
  95            Self::ModelRequestLimitReached(error.plan)
  96        } else {
  97            let string = error.to_string();
  98            // TODO: we should have Gemini return better errors here.
  99            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 100                && string.contains("Could not load the default credentials")
 101                || string.contains("API key not valid")
 102                || string.contains("Request had invalid authentication credentials")
 103            {
 104                Self::AuthenticationRequired(string.into())
 105            } else {
 106                Self::Other(error.to_string().into())
 107            }
 108        }
 109    }
 110}
 111
 112impl ProfileProvider for Entity<agent2::Thread> {
 113    fn profile_id(&self, cx: &App) -> AgentProfileId {
 114        self.read(cx).profile().clone()
 115    }
 116
 117    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 118        self.update(cx, |thread, _cx| {
 119            thread.set_profile(profile_id);
 120        });
 121    }
 122
 123    fn profiles_supported(&self, cx: &App) -> bool {
 124        self.read(cx)
 125            .model()
 126            .is_some_and(|model| model.supports_tools())
 127    }
 128}
 129
 130#[derive(Default)]
 131struct ThreadFeedbackState {
 132    feedback: Option<ThreadFeedback>,
 133    comments_editor: Option<Entity<Editor>>,
 134}
 135
 136impl ThreadFeedbackState {
 137    pub fn submit(
 138        &mut self,
 139        thread: Entity<AcpThread>,
 140        feedback: ThreadFeedback,
 141        window: &mut Window,
 142        cx: &mut App,
 143    ) {
 144        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 145            return;
 146        };
 147
 148        if self.feedback == Some(feedback) {
 149            return;
 150        }
 151
 152        self.feedback = Some(feedback);
 153        match feedback {
 154            ThreadFeedback::Positive => {
 155                self.comments_editor = None;
 156            }
 157            ThreadFeedback::Negative => {
 158                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 159            }
 160        }
 161        let session_id = thread.read(cx).session_id().clone();
 162        let agent_name = telemetry.agent_name();
 163        let task = telemetry.thread_data(&session_id, cx);
 164        let rating = match feedback {
 165            ThreadFeedback::Positive => "positive",
 166            ThreadFeedback::Negative => "negative",
 167        };
 168        cx.background_spawn(async move {
 169            let thread = task.await?;
 170            telemetry::event!(
 171                "Agent Thread Rated",
 172                session_id = session_id,
 173                rating = rating,
 174                agent = agent_name,
 175                thread = thread
 176            );
 177            anyhow::Ok(())
 178        })
 179        .detach_and_log_err(cx);
 180    }
 181
 182    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 183        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 184            return;
 185        };
 186
 187        let Some(comments) = self
 188            .comments_editor
 189            .as_ref()
 190            .map(|editor| editor.read(cx).text(cx))
 191            .filter(|text| !text.trim().is_empty())
 192        else {
 193            return;
 194        };
 195
 196        self.comments_editor.take();
 197
 198        let session_id = thread.read(cx).session_id().clone();
 199        let agent_name = telemetry.agent_name();
 200        let task = telemetry.thread_data(&session_id, cx);
 201        cx.background_spawn(async move {
 202            let thread = task.await?;
 203            telemetry::event!(
 204                "Agent Thread Feedback Comments",
 205                session_id = session_id,
 206                comments = comments,
 207                agent = agent_name,
 208                thread = thread
 209            );
 210            anyhow::Ok(())
 211        })
 212        .detach_and_log_err(cx);
 213    }
 214
 215    pub fn clear(&mut self) {
 216        *self = Self::default()
 217    }
 218
 219    pub fn dismiss_comments(&mut self) {
 220        self.comments_editor.take();
 221    }
 222
 223    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 224        let buffer = cx.new(|cx| {
 225            let empty_string = String::new();
 226            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 227        });
 228
 229        let editor = cx.new(|cx| {
 230            let mut editor = Editor::new(
 231                editor::EditorMode::AutoHeight {
 232                    min_lines: 1,
 233                    max_lines: Some(4),
 234                },
 235                buffer,
 236                None,
 237                window,
 238                cx,
 239            );
 240            editor.set_placeholder_text(
 241                "What went wrong? Share your feedback so we can improve.",
 242                cx,
 243            );
 244            editor
 245        });
 246
 247        editor.read(cx).focus_handle(cx).focus(window);
 248        editor
 249    }
 250}
 251
 252pub struct AcpThreadView {
 253    agent: Rc<dyn AgentServer>,
 254    workspace: WeakEntity<Workspace>,
 255    project: Entity<Project>,
 256    thread_state: ThreadState,
 257    history_store: Entity<HistoryStore>,
 258    hovered_recent_history_item: Option<usize>,
 259    entry_view_state: Entity<EntryViewState>,
 260    message_editor: Entity<MessageEditor>,
 261    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 262    profile_selector: Option<Entity<ProfileSelector>>,
 263    notifications: Vec<WindowHandle<AgentNotification>>,
 264    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 265    thread_retry_status: Option<RetryStatus>,
 266    thread_error: Option<ThreadError>,
 267    thread_feedback: ThreadFeedbackState,
 268    list_state: ListState,
 269    scrollbar_state: ScrollbarState,
 270    auth_task: Option<Task<()>>,
 271    expanded_tool_calls: HashSet<acp::ToolCallId>,
 272    expanded_thinking_blocks: HashSet<(usize, usize)>,
 273    edits_expanded: bool,
 274    plan_expanded: bool,
 275    editor_expanded: bool,
 276    editing_message: Option<usize>,
 277    prompt_capabilities: Rc<Cell<PromptCapabilities>>,
 278    _cancel_task: Option<Task<()>>,
 279    _subscriptions: [Subscription; 3],
 280}
 281
 282enum ThreadState {
 283    Loading {
 284        _task: Task<()>,
 285    },
 286    Ready {
 287        thread: Entity<AcpThread>,
 288        title_editor: Option<Entity<Editor>>,
 289        _subscriptions: Vec<Subscription>,
 290    },
 291    LoadError(LoadError),
 292    Unauthenticated {
 293        connection: Rc<dyn AgentConnection>,
 294        description: Option<Entity<Markdown>>,
 295        configuration_view: Option<AnyView>,
 296        pending_auth_method: Option<acp::AuthMethodId>,
 297        _subscription: Option<Subscription>,
 298    },
 299}
 300
 301impl AcpThreadView {
 302    pub fn new(
 303        agent: Rc<dyn AgentServer>,
 304        resume_thread: Option<DbThreadMetadata>,
 305        summarize_thread: Option<DbThreadMetadata>,
 306        workspace: WeakEntity<Workspace>,
 307        project: Entity<Project>,
 308        history_store: Entity<HistoryStore>,
 309        prompt_store: Option<Entity<PromptStore>>,
 310        window: &mut Window,
 311        cx: &mut Context<Self>,
 312    ) -> Self {
 313        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
 314        let prevent_slash_commands = agent.clone().downcast::<ClaudeCode>().is_some();
 315        let message_editor = cx.new(|cx| {
 316            let mut editor = MessageEditor::new(
 317                workspace.clone(),
 318                project.clone(),
 319                history_store.clone(),
 320                prompt_store.clone(),
 321                prompt_capabilities.clone(),
 322                "Message the agent — @ to include context",
 323                prevent_slash_commands,
 324                editor::EditorMode::AutoHeight {
 325                    min_lines: MIN_EDITOR_LINES,
 326                    max_lines: Some(MAX_EDITOR_LINES),
 327                },
 328                window,
 329                cx,
 330            );
 331            if let Some(entry) = summarize_thread {
 332                editor.insert_thread_summary(entry, window, cx);
 333            }
 334            editor
 335        });
 336
 337        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 338
 339        let entry_view_state = cx.new(|_| {
 340            EntryViewState::new(
 341                workspace.clone(),
 342                project.clone(),
 343                history_store.clone(),
 344                prompt_store.clone(),
 345                prompt_capabilities.clone(),
 346                prevent_slash_commands,
 347            )
 348        });
 349
 350        let subscriptions = [
 351            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 352            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 353            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 354        ];
 355
 356        Self {
 357            agent: agent.clone(),
 358            workspace: workspace.clone(),
 359            project: project.clone(),
 360            entry_view_state,
 361            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 362            message_editor,
 363            model_selector: None,
 364            profile_selector: None,
 365            notifications: Vec::new(),
 366            notification_subscriptions: HashMap::default(),
 367            list_state: list_state.clone(),
 368            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 369            thread_retry_status: None,
 370            thread_error: None,
 371            thread_feedback: Default::default(),
 372            auth_task: None,
 373            expanded_tool_calls: HashSet::default(),
 374            expanded_thinking_blocks: HashSet::default(),
 375            editing_message: None,
 376            edits_expanded: false,
 377            plan_expanded: false,
 378            editor_expanded: false,
 379            history_store,
 380            hovered_recent_history_item: None,
 381            prompt_capabilities,
 382            _subscriptions: subscriptions,
 383            _cancel_task: None,
 384        }
 385    }
 386
 387    fn initial_state(
 388        agent: Rc<dyn AgentServer>,
 389        resume_thread: Option<DbThreadMetadata>,
 390        workspace: WeakEntity<Workspace>,
 391        project: Entity<Project>,
 392        window: &mut Window,
 393        cx: &mut Context<Self>,
 394    ) -> ThreadState {
 395        let root_dir = project
 396            .read(cx)
 397            .visible_worktrees(cx)
 398            .next()
 399            .map(|worktree| worktree.read(cx).abs_path())
 400            .unwrap_or_else(|| paths::home_dir().as_path().into());
 401
 402        let connect_task = agent.connect(&root_dir, &project, cx);
 403        let load_task = cx.spawn_in(window, async move |this, cx| {
 404            let connection = match connect_task.await {
 405                Ok(connection) => connection,
 406                Err(err) => {
 407                    this.update(cx, |this, cx| {
 408                        this.handle_load_error(err, cx);
 409                        cx.notify();
 410                    })
 411                    .log_err();
 412                    return;
 413                }
 414            };
 415
 416            let result = if let Some(native_agent) = connection
 417                .clone()
 418                .downcast::<agent2::NativeAgentConnection>()
 419                && let Some(resume) = resume_thread.clone()
 420            {
 421                cx.update(|_, cx| {
 422                    native_agent
 423                        .0
 424                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 425                })
 426                .log_err()
 427            } else {
 428                cx.update(|_, cx| {
 429                    connection
 430                        .clone()
 431                        .new_thread(project.clone(), &root_dir, cx)
 432                })
 433                .log_err()
 434            };
 435
 436            let Some(result) = result else {
 437                return;
 438            };
 439
 440            let result = match result.await {
 441                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 442                    Ok(err) => {
 443                        cx.update(|window, cx| {
 444                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 445                        })
 446                        .log_err();
 447                        return;
 448                    }
 449                    Err(err) => Err(err),
 450                },
 451                Ok(thread) => Ok(thread),
 452            };
 453
 454            this.update_in(cx, |this, window, cx| {
 455                match result {
 456                    Ok(thread) => {
 457                        let action_log = thread.read(cx).action_log().clone();
 458
 459                        this.prompt_capabilities
 460                            .set(connection.prompt_capabilities());
 461
 462                        let count = thread.read(cx).entries().len();
 463                        this.list_state.splice(0..0, count);
 464                        this.entry_view_state.update(cx, |view_state, cx| {
 465                            for ix in 0..count {
 466                                view_state.sync_entry(ix, &thread, window, cx);
 467                            }
 468                        });
 469
 470                        if let Some(resume) = resume_thread {
 471                            this.history_store.update(cx, |history, cx| {
 472                                history.push_recently_opened_entry(
 473                                    HistoryEntryId::AcpThread(resume.id),
 474                                    cx,
 475                                );
 476                            });
 477                        }
 478
 479                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 480
 481                        this.model_selector =
 482                            thread
 483                                .read(cx)
 484                                .connection()
 485                                .model_selector()
 486                                .map(|selector| {
 487                                    cx.new(|cx| {
 488                                        AcpModelSelectorPopover::new(
 489                                            thread.read(cx).session_id().clone(),
 490                                            selector,
 491                                            PopoverMenuHandle::default(),
 492                                            this.focus_handle(cx),
 493                                            window,
 494                                            cx,
 495                                        )
 496                                    })
 497                                });
 498
 499                        let mut subscriptions = vec![
 500                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 501                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 502                        ];
 503
 504                        let title_editor =
 505                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 506                                let editor = cx.new(|cx| {
 507                                    let mut editor = Editor::single_line(window, cx);
 508                                    editor.set_text(thread.read(cx).title(), window, cx);
 509                                    editor
 510                                });
 511                                subscriptions.push(cx.subscribe_in(
 512                                    &editor,
 513                                    window,
 514                                    Self::handle_title_editor_event,
 515                                ));
 516                                Some(editor)
 517                            } else {
 518                                None
 519                            };
 520                        this.thread_state = ThreadState::Ready {
 521                            thread,
 522                            title_editor,
 523                            _subscriptions: subscriptions,
 524                        };
 525
 526                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 527                            cx.new(|cx| {
 528                                ProfileSelector::new(
 529                                    <dyn Fs>::global(cx),
 530                                    Arc::new(thread.clone()),
 531                                    this.focus_handle(cx),
 532                                    cx,
 533                                )
 534                            })
 535                        });
 536
 537                        cx.notify();
 538                    }
 539                    Err(err) => {
 540                        this.handle_load_error(err, cx);
 541                    }
 542                };
 543            })
 544            .log_err();
 545        });
 546
 547        ThreadState::Loading { _task: load_task }
 548    }
 549
 550    fn handle_auth_required(
 551        this: WeakEntity<Self>,
 552        err: AuthRequired,
 553        agent: Rc<dyn AgentServer>,
 554        connection: Rc<dyn AgentConnection>,
 555        window: &mut Window,
 556        cx: &mut App,
 557    ) {
 558        let agent_name = agent.name();
 559        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 560            let registry = LanguageModelRegistry::global(cx);
 561
 562            let sub = window.subscribe(&registry, cx, {
 563                let provider_id = provider_id.clone();
 564                let this = this.clone();
 565                move |_, ev, window, cx| {
 566                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 567                        && &provider_id == updated_provider_id
 568                    {
 569                        this.update(cx, |this, cx| {
 570                            this.thread_state = Self::initial_state(
 571                                agent.clone(),
 572                                None,
 573                                this.workspace.clone(),
 574                                this.project.clone(),
 575                                window,
 576                                cx,
 577                            );
 578                            cx.notify();
 579                        })
 580                        .ok();
 581                    }
 582                }
 583            });
 584
 585            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 586                provider.configuration_view(
 587                    language_model::ConfigurationViewTargetAgent::Other(agent_name),
 588                    window,
 589                    cx,
 590                )
 591            });
 592
 593            (view, Some(sub))
 594        } else {
 595            (None, None)
 596        };
 597
 598        this.update(cx, |this, cx| {
 599            this.thread_state = ThreadState::Unauthenticated {
 600                pending_auth_method: None,
 601                connection,
 602                configuration_view,
 603                description: err
 604                    .description
 605                    .clone()
 606                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 607                _subscription: subscription,
 608            };
 609            cx.notify();
 610        })
 611        .ok();
 612    }
 613
 614    fn handle_load_error(&mut self, err: anyhow::Error, cx: &mut Context<Self>) {
 615        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 616            self.thread_state = ThreadState::LoadError(load_err.clone());
 617        } else {
 618            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 619        }
 620        cx.notify();
 621    }
 622
 623    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 624        &self.workspace
 625    }
 626
 627    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 628        match &self.thread_state {
 629            ThreadState::Ready { thread, .. } => Some(thread),
 630            ThreadState::Unauthenticated { .. }
 631            | ThreadState::Loading { .. }
 632            | ThreadState::LoadError { .. } => None,
 633        }
 634    }
 635
 636    pub fn title(&self, cx: &App) -> SharedString {
 637        match &self.thread_state {
 638            ThreadState::Ready { thread, .. } => thread.read(cx).title(),
 639            ThreadState::Loading { .. } => "Loading…".into(),
 640            ThreadState::LoadError(_) => "Failed to load".into(),
 641            ThreadState::Unauthenticated { .. } => "Authentication Required".into(),
 642        }
 643    }
 644
 645    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 646        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 647            title_editor.clone()
 648        } else {
 649            None
 650        }
 651    }
 652
 653    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 654        self.thread_error.take();
 655        self.thread_retry_status.take();
 656
 657        if let Some(thread) = self.thread() {
 658            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 659        }
 660    }
 661
 662    pub fn expand_message_editor(
 663        &mut self,
 664        _: &ExpandMessageEditor,
 665        _window: &mut Window,
 666        cx: &mut Context<Self>,
 667    ) {
 668        self.set_editor_is_expanded(!self.editor_expanded, cx);
 669        cx.notify();
 670    }
 671
 672    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 673        self.editor_expanded = is_expanded;
 674        self.message_editor.update(cx, |editor, cx| {
 675            if is_expanded {
 676                editor.set_mode(
 677                    EditorMode::Full {
 678                        scale_ui_elements_with_buffer_font_size: false,
 679                        show_active_line_background: false,
 680                        sized_by_content: false,
 681                    },
 682                    cx,
 683                )
 684            } else {
 685                editor.set_mode(
 686                    EditorMode::AutoHeight {
 687                        min_lines: MIN_EDITOR_LINES,
 688                        max_lines: Some(MAX_EDITOR_LINES),
 689                    },
 690                    cx,
 691                )
 692            }
 693        });
 694        cx.notify();
 695    }
 696
 697    pub fn handle_title_editor_event(
 698        &mut self,
 699        title_editor: &Entity<Editor>,
 700        event: &EditorEvent,
 701        window: &mut Window,
 702        cx: &mut Context<Self>,
 703    ) {
 704        let Some(thread) = self.thread() else { return };
 705
 706        match event {
 707            EditorEvent::BufferEdited => {
 708                let new_title = title_editor.read(cx).text(cx);
 709                thread.update(cx, |thread, cx| {
 710                    thread
 711                        .set_title(new_title.into(), cx)
 712                        .detach_and_log_err(cx);
 713                })
 714            }
 715            EditorEvent::Blurred => {
 716                if title_editor.read(cx).text(cx).is_empty() {
 717                    title_editor.update(cx, |editor, cx| {
 718                        editor.set_text("New Thread", window, cx);
 719                    });
 720                }
 721            }
 722            _ => {}
 723        }
 724    }
 725
 726    pub fn handle_message_editor_event(
 727        &mut self,
 728        _: &Entity<MessageEditor>,
 729        event: &MessageEditorEvent,
 730        window: &mut Window,
 731        cx: &mut Context<Self>,
 732    ) {
 733        match event {
 734            MessageEditorEvent::Send => self.send(window, cx),
 735            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 736            MessageEditorEvent::Focus => {
 737                self.cancel_editing(&Default::default(), window, cx);
 738            }
 739        }
 740    }
 741
 742    pub fn handle_entry_view_event(
 743        &mut self,
 744        _: &Entity<EntryViewState>,
 745        event: &EntryViewEvent,
 746        window: &mut Window,
 747        cx: &mut Context<Self>,
 748    ) {
 749        match &event.view_event {
 750            ViewEvent::NewDiff(tool_call_id) => {
 751                if AgentSettings::get_global(cx).expand_edit_card {
 752                    self.expanded_tool_calls.insert(tool_call_id.clone());
 753                }
 754            }
 755            ViewEvent::NewTerminal(tool_call_id) => {
 756                if AgentSettings::get_global(cx).expand_terminal_card {
 757                    self.expanded_tool_calls.insert(tool_call_id.clone());
 758                }
 759            }
 760            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 761                if let Some(thread) = self.thread()
 762                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 763                        thread.read(cx).entries().get(event.entry_index)
 764                    && user_message.id.is_some()
 765                {
 766                    self.editing_message = Some(event.entry_index);
 767                    cx.notify();
 768                }
 769            }
 770            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 771                self.regenerate(event.entry_index, editor, window, cx);
 772            }
 773            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 774                self.cancel_editing(&Default::default(), window, cx);
 775            }
 776        }
 777    }
 778
 779    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 780        self.thread_error.take();
 781        let Some(thread) = self.thread() else {
 782            return;
 783        };
 784
 785        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 786        cx.spawn(async move |this, cx| {
 787            let result = task.await;
 788
 789            this.update(cx, |this, cx| {
 790                if let Err(err) = result {
 791                    this.handle_thread_error(err, cx);
 792                }
 793            })
 794        })
 795        .detach();
 796    }
 797
 798    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 799        let Some(thread) = self.thread() else { return };
 800        self.history_store.update(cx, |history, cx| {
 801            history.push_recently_opened_entry(
 802                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 803                cx,
 804            );
 805        });
 806
 807        if thread.read(cx).status() != ThreadStatus::Idle {
 808            self.stop_current_and_send_new_message(window, cx);
 809            return;
 810        }
 811
 812        let contents = self
 813            .message_editor
 814            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 815        self.send_impl(contents, window, cx)
 816    }
 817
 818    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 819        let Some(thread) = self.thread().cloned() else {
 820            return;
 821        };
 822
 823        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
 824
 825        let contents = self
 826            .message_editor
 827            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 828
 829        cx.spawn_in(window, async move |this, cx| {
 830            cancelled.await;
 831
 832            this.update_in(cx, |this, window, cx| {
 833                this.send_impl(contents, window, cx);
 834            })
 835            .ok();
 836        })
 837        .detach();
 838    }
 839
 840    fn send_impl(
 841        &mut self,
 842        contents: Task<anyhow::Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
 843        window: &mut Window,
 844        cx: &mut Context<Self>,
 845    ) {
 846        self.thread_error.take();
 847        self.editing_message.take();
 848        self.thread_feedback.clear();
 849
 850        let Some(thread) = self.thread().cloned() else {
 851            return;
 852        };
 853        let task = cx.spawn_in(window, async move |this, cx| {
 854            let (contents, tracked_buffers) = contents.await?;
 855
 856            if contents.is_empty() {
 857                return Ok(());
 858            }
 859
 860            this.update_in(cx, |this, window, cx| {
 861                this.set_editor_is_expanded(false, cx);
 862                this.scroll_to_bottom(cx);
 863                this.message_editor.update(cx, |message_editor, cx| {
 864                    message_editor.clear(window, cx);
 865                });
 866            })?;
 867            let send = thread.update(cx, |thread, cx| {
 868                thread.action_log().update(cx, |action_log, cx| {
 869                    for buffer in tracked_buffers {
 870                        action_log.buffer_read(buffer, cx)
 871                    }
 872                });
 873                thread.send(contents, cx)
 874            })?;
 875            send.await
 876        });
 877
 878        cx.spawn(async move |this, cx| {
 879            if let Err(err) = task.await {
 880                this.update(cx, |this, cx| {
 881                    this.handle_thread_error(err, cx);
 882                })
 883                .ok();
 884            }
 885        })
 886        .detach();
 887    }
 888
 889    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 890        let Some(thread) = self.thread().cloned() else {
 891            return;
 892        };
 893
 894        if let Some(index) = self.editing_message.take()
 895            && let Some(editor) = self
 896                .entry_view_state
 897                .read(cx)
 898                .entry(index)
 899                .and_then(|e| e.message_editor())
 900                .cloned()
 901        {
 902            editor.update(cx, |editor, cx| {
 903                if let Some(user_message) = thread
 904                    .read(cx)
 905                    .entries()
 906                    .get(index)
 907                    .and_then(|e| e.user_message())
 908                {
 909                    editor.set_message(user_message.chunks.clone(), window, cx);
 910                }
 911            })
 912        };
 913        self.focus_handle(cx).focus(window);
 914        cx.notify();
 915    }
 916
 917    fn regenerate(
 918        &mut self,
 919        entry_ix: usize,
 920        message_editor: &Entity<MessageEditor>,
 921        window: &mut Window,
 922        cx: &mut Context<Self>,
 923    ) {
 924        let Some(thread) = self.thread().cloned() else {
 925            return;
 926        };
 927
 928        let Some(rewind) = thread.update(cx, |thread, cx| {
 929            let user_message_id = thread.entries().get(entry_ix)?.user_message()?.id.clone()?;
 930            Some(thread.rewind(user_message_id, cx))
 931        }) else {
 932            return;
 933        };
 934
 935        let contents =
 936            message_editor.update(cx, |message_editor, cx| message_editor.contents(window, cx));
 937
 938        let task = cx.foreground_executor().spawn(async move {
 939            rewind.await?;
 940            contents.await
 941        });
 942        self.send_impl(task, window, cx);
 943    }
 944
 945    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
 946        if let Some(thread) = self.thread() {
 947            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
 948        }
 949    }
 950
 951    fn open_edited_buffer(
 952        &mut self,
 953        buffer: &Entity<Buffer>,
 954        window: &mut Window,
 955        cx: &mut Context<Self>,
 956    ) {
 957        let Some(thread) = self.thread() else {
 958            return;
 959        };
 960
 961        let Some(diff) =
 962            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
 963        else {
 964            return;
 965        };
 966
 967        diff.update(cx, |diff, cx| {
 968            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
 969        })
 970    }
 971
 972    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 973        let Some(thread) = self.as_native_thread(cx) else {
 974            return;
 975        };
 976        let project_context = thread.read(cx).project_context().read(cx);
 977
 978        let project_entry_ids = project_context
 979            .worktrees
 980            .iter()
 981            .flat_map(|worktree| worktree.rules_file.as_ref())
 982            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
 983            .collect::<Vec<_>>();
 984
 985        self.workspace
 986            .update(cx, move |workspace, cx| {
 987                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
 988                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
 989                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
 990                let project = workspace.project().read(cx);
 991                let project_paths = project_entry_ids
 992                    .into_iter()
 993                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
 994                    .collect::<Vec<_>>();
 995                for project_path in project_paths {
 996                    workspace
 997                        .open_path(project_path, None, true, window, cx)
 998                        .detach_and_log_err(cx);
 999                }
1000            })
1001            .ok();
1002    }
1003
1004    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1005        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1006        cx.notify();
1007    }
1008
1009    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1010        self.thread_error = None;
1011        cx.notify();
1012    }
1013
1014    fn handle_thread_event(
1015        &mut self,
1016        thread: &Entity<AcpThread>,
1017        event: &AcpThreadEvent,
1018        window: &mut Window,
1019        cx: &mut Context<Self>,
1020    ) {
1021        match event {
1022            AcpThreadEvent::NewEntry => {
1023                let len = thread.read(cx).entries().len();
1024                let index = len - 1;
1025                self.entry_view_state.update(cx, |view_state, cx| {
1026                    view_state.sync_entry(index, thread, window, cx)
1027                });
1028                self.list_state.splice(index..index, 1);
1029            }
1030            AcpThreadEvent::EntryUpdated(index) => {
1031                self.entry_view_state.update(cx, |view_state, cx| {
1032                    view_state.sync_entry(*index, thread, window, cx)
1033                });
1034            }
1035            AcpThreadEvent::EntriesRemoved(range) => {
1036                self.entry_view_state
1037                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1038                self.list_state.splice(range.clone(), 0);
1039            }
1040            AcpThreadEvent::ToolAuthorizationRequired => {
1041                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1042            }
1043            AcpThreadEvent::Retry(retry) => {
1044                self.thread_retry_status = Some(retry.clone());
1045            }
1046            AcpThreadEvent::Stopped => {
1047                self.thread_retry_status.take();
1048                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1049                self.notify_with_sound(
1050                    if used_tools {
1051                        "Finished running tools"
1052                    } else {
1053                        "New message"
1054                    },
1055                    IconName::ZedAssistant,
1056                    window,
1057                    cx,
1058                );
1059            }
1060            AcpThreadEvent::Error => {
1061                self.thread_retry_status.take();
1062                self.notify_with_sound(
1063                    "Agent stopped due to an error",
1064                    IconName::Warning,
1065                    window,
1066                    cx,
1067                );
1068            }
1069            AcpThreadEvent::LoadError(error) => {
1070                self.thread_retry_status.take();
1071                self.thread_state = ThreadState::LoadError(error.clone());
1072            }
1073            AcpThreadEvent::TitleUpdated => {
1074                let title = thread.read(cx).title();
1075                if let Some(title_editor) = self.title_editor() {
1076                    title_editor.update(cx, |editor, cx| {
1077                        if editor.text(cx) != title {
1078                            editor.set_text(title, window, cx);
1079                        }
1080                    });
1081                }
1082            }
1083            AcpThreadEvent::TokenUsageUpdated => {}
1084        }
1085        cx.notify();
1086    }
1087
1088    fn authenticate(
1089        &mut self,
1090        method: acp::AuthMethodId,
1091        window: &mut Window,
1092        cx: &mut Context<Self>,
1093    ) {
1094        let ThreadState::Unauthenticated {
1095            connection,
1096            pending_auth_method,
1097            configuration_view,
1098            ..
1099        } = &mut self.thread_state
1100        else {
1101            return;
1102        };
1103
1104        if method.0.as_ref() == "gemini-api-key" {
1105            let registry = LanguageModelRegistry::global(cx);
1106            let provider = registry
1107                .read(cx)
1108                .provider(&language_model::GOOGLE_PROVIDER_ID)
1109                .unwrap();
1110            if !provider.is_authenticated(cx) {
1111                let this = cx.weak_entity();
1112                let agent = self.agent.clone();
1113                let connection = connection.clone();
1114                window.defer(cx, |window, cx| {
1115                    Self::handle_auth_required(
1116                        this,
1117                        AuthRequired {
1118                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1119                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1120                        },
1121                        agent,
1122                        connection,
1123                        window,
1124                        cx,
1125                    );
1126                });
1127                return;
1128            }
1129        } else if method.0.as_ref() == "vertex-ai"
1130            && std::env::var("GOOGLE_API_KEY").is_err()
1131            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1132                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1133        {
1134            let this = cx.weak_entity();
1135            let agent = self.agent.clone();
1136            let connection = connection.clone();
1137
1138            window.defer(cx, |window, cx| {
1139                    Self::handle_auth_required(
1140                        this,
1141                        AuthRequired {
1142                            description: Some(
1143                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1144                                    .to_owned(),
1145                            ),
1146                            provider_id: None,
1147                        },
1148                        agent,
1149                        connection,
1150                        window,
1151                        cx,
1152                    )
1153                });
1154            return;
1155        }
1156
1157        self.thread_error.take();
1158        configuration_view.take();
1159        pending_auth_method.replace(method.clone());
1160        let authenticate = connection.authenticate(method, cx);
1161        cx.notify();
1162        self.auth_task = Some(cx.spawn_in(window, {
1163            let project = self.project.clone();
1164            let agent = self.agent.clone();
1165            async move |this, cx| {
1166                let result = authenticate.await;
1167
1168                this.update_in(cx, |this, window, cx| {
1169                    if let Err(err) = result {
1170                        this.handle_thread_error(err, cx);
1171                    } else {
1172                        this.thread_state = Self::initial_state(
1173                            agent,
1174                            None,
1175                            this.workspace.clone(),
1176                            project.clone(),
1177                            window,
1178                            cx,
1179                        )
1180                    }
1181                    this.auth_task.take()
1182                })
1183                .ok();
1184            }
1185        }));
1186    }
1187
1188    fn authorize_tool_call(
1189        &mut self,
1190        tool_call_id: acp::ToolCallId,
1191        option_id: acp::PermissionOptionId,
1192        option_kind: acp::PermissionOptionKind,
1193        cx: &mut Context<Self>,
1194    ) {
1195        let Some(thread) = self.thread() else {
1196            return;
1197        };
1198        thread.update(cx, |thread, cx| {
1199            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1200        });
1201        cx.notify();
1202    }
1203
1204    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1205        let Some(thread) = self.thread() else {
1206            return;
1207        };
1208        thread
1209            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1210            .detach_and_log_err(cx);
1211        cx.notify();
1212    }
1213
1214    fn render_entry(
1215        &self,
1216        entry_ix: usize,
1217        total_entries: usize,
1218        entry: &AgentThreadEntry,
1219        window: &mut Window,
1220        cx: &Context<Self>,
1221    ) -> AnyElement {
1222        let primary = match &entry {
1223            AgentThreadEntry::UserMessage(message) => {
1224                let Some(editor) = self
1225                    .entry_view_state
1226                    .read(cx)
1227                    .entry(entry_ix)
1228                    .and_then(|entry| entry.message_editor())
1229                    .cloned()
1230                else {
1231                    return Empty.into_any_element();
1232                };
1233
1234                let editing = self.editing_message == Some(entry_ix);
1235                let editor_focus = editor.focus_handle(cx).is_focused(window);
1236                let focus_border = cx.theme().colors().border_focused;
1237
1238                let rules_item = if entry_ix == 0 {
1239                    self.render_rules_item(cx)
1240                } else {
1241                    None
1242                };
1243
1244                let agent_name = self.agent.name();
1245
1246                v_flex()
1247                    .id(("user_message", entry_ix))
1248                    .pt_2()
1249                    .pb_4()
1250                    .px_2()
1251                    .gap_1p5()
1252                    .w_full()
1253                    .children(rules_item)
1254                    .children(message.id.clone().and_then(|message_id| {
1255                        message.checkpoint.as_ref()?.show.then(|| {
1256                            h_flex()
1257                                .gap_2()
1258                                .child(Divider::horizontal())
1259                                .child(
1260                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1261                                        .icon(IconName::Undo)
1262                                        .icon_size(IconSize::XSmall)
1263                                        .icon_position(IconPosition::Start)
1264                                        .label_size(LabelSize::XSmall)
1265                                        .icon_color(Color::Muted)
1266                                        .color(Color::Muted)
1267                                        .on_click(cx.listener(move |this, _, _window, cx| {
1268                                            this.rewind(&message_id, cx);
1269                                        }))
1270                                )
1271                                .child(Divider::horizontal())
1272                        })
1273                    }))
1274                    .child(
1275                        div()
1276                            .relative()
1277                            .child(
1278                                div()
1279                                    .py_3()
1280                                    .px_2()
1281                                    .rounded_md()
1282                                    .shadow_md()
1283                                    .bg(cx.theme().colors().editor_background)
1284                                    .border_1()
1285                                    .when(editing && !editor_focus, |this| this.border_dashed())
1286                                    .border_color(cx.theme().colors().border)
1287                                    .map(|this|{
1288                                        if editing && editor_focus {
1289                                            this.border_color(focus_border)
1290                                        } else if message.id.is_some() {
1291                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1292                                        } else {
1293                                            this
1294                                        }
1295                                    })
1296                                    .text_xs()
1297                                    .child(editor.clone().into_any_element()),
1298                            )
1299                            .when(editor_focus, |this| {
1300                                let base_container = h_flex()
1301                                    .absolute()
1302                                    .top_neg_3p5()
1303                                    .right_3()
1304                                    .gap_1()
1305                                    .rounded_sm()
1306                                    .border_1()
1307                                    .border_color(cx.theme().colors().border)
1308                                    .bg(cx.theme().colors().editor_background)
1309                                    .overflow_hidden();
1310
1311                                if message.id.is_some() {
1312                                    this.child(
1313                                        base_container
1314                                            .child(
1315                                                IconButton::new("cancel", IconName::Close)
1316                                                    .icon_color(Color::Error)
1317                                                    .icon_size(IconSize::XSmall)
1318                                                    .on_click(cx.listener(Self::cancel_editing))
1319                                            )
1320                                            .child(
1321                                                IconButton::new("regenerate", IconName::Return)
1322                                                    .icon_color(Color::Muted)
1323                                                    .icon_size(IconSize::XSmall)
1324                                                    .tooltip(Tooltip::text(
1325                                                        "Editing will restart the thread from this point."
1326                                                    ))
1327                                                    .on_click(cx.listener({
1328                                                        let editor = editor.clone();
1329                                                        move |this, _, window, cx| {
1330                                                            this.regenerate(
1331                                                                entry_ix, &editor, window, cx,
1332                                                            );
1333                                                        }
1334                                                    })),
1335                                            )
1336                                    )
1337                                } else {
1338                                    this.child(
1339                                        base_container
1340                                            .border_dashed()
1341                                            .child(
1342                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1343                                                    .icon_size(IconSize::Small)
1344                                                    .icon_color(Color::Muted)
1345                                                    .style(ButtonStyle::Transparent)
1346                                                    .tooltip(move |_window, cx| {
1347                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.into()))
1348                                                            .into()
1349                                                    })
1350                                            )
1351                                    )
1352                                }
1353                            }),
1354                    )
1355                    .into_any()
1356            }
1357            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1358                let style = default_markdown_style(false, false, window, cx);
1359                let message_body = v_flex()
1360                    .w_full()
1361                    .gap_2p5()
1362                    .children(chunks.iter().enumerate().filter_map(
1363                        |(chunk_ix, chunk)| match chunk {
1364                            AssistantMessageChunk::Message { block } => {
1365                                block.markdown().map(|md| {
1366                                    self.render_markdown(md.clone(), style.clone())
1367                                        .into_any_element()
1368                                })
1369                            }
1370                            AssistantMessageChunk::Thought { block } => {
1371                                block.markdown().map(|md| {
1372                                    self.render_thinking_block(
1373                                        entry_ix,
1374                                        chunk_ix,
1375                                        md.clone(),
1376                                        window,
1377                                        cx,
1378                                    )
1379                                    .into_any_element()
1380                                })
1381                            }
1382                        },
1383                    ))
1384                    .into_any();
1385
1386                v_flex()
1387                    .px_5()
1388                    .py_1()
1389                    .when(entry_ix + 1 == total_entries, |this| this.pb_4())
1390                    .w_full()
1391                    .text_ui(cx)
1392                    .child(message_body)
1393                    .into_any()
1394            }
1395            AgentThreadEntry::ToolCall(tool_call) => {
1396                let has_terminals = tool_call.terminals().next().is_some();
1397
1398                div().w_full().py_1().px_5().map(|this| {
1399                    if has_terminals {
1400                        this.children(tool_call.terminals().map(|terminal| {
1401                            self.render_terminal_tool_call(
1402                                entry_ix, terminal, tool_call, window, cx,
1403                            )
1404                        }))
1405                    } else {
1406                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1407                    }
1408                })
1409            }
1410            .into_any(),
1411        };
1412
1413        let Some(thread) = self.thread() else {
1414            return primary;
1415        };
1416
1417        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
1418        let primary = if entry_ix == total_entries - 1 && !is_generating {
1419            v_flex()
1420                .w_full()
1421                .child(primary)
1422                .child(self.render_thread_controls(cx))
1423                .when_some(
1424                    self.thread_feedback.comments_editor.clone(),
1425                    |this, editor| {
1426                        this.child(Self::render_feedback_feedback_editor(editor, window, cx))
1427                    },
1428                )
1429                .into_any_element()
1430        } else {
1431            primary
1432        };
1433
1434        if let Some(editing_index) = self.editing_message.as_ref()
1435            && *editing_index < entry_ix
1436        {
1437            let backdrop = div()
1438                .id(("backdrop", entry_ix))
1439                .size_full()
1440                .absolute()
1441                .inset_0()
1442                .bg(cx.theme().colors().panel_background)
1443                .opacity(0.8)
1444                .block_mouse_except_scroll()
1445                .on_click(cx.listener(Self::cancel_editing));
1446
1447            div()
1448                .relative()
1449                .child(primary)
1450                .child(backdrop)
1451                .into_any_element()
1452        } else {
1453            primary
1454        }
1455    }
1456
1457    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1458        cx.theme()
1459            .colors()
1460            .element_background
1461            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1462    }
1463
1464    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1465        cx.theme().colors().border.opacity(0.8)
1466    }
1467
1468    fn tool_name_font_size(&self) -> Rems {
1469        rems_from_px(13.)
1470    }
1471
1472    fn render_thinking_block(
1473        &self,
1474        entry_ix: usize,
1475        chunk_ix: usize,
1476        chunk: Entity<Markdown>,
1477        window: &Window,
1478        cx: &Context<Self>,
1479    ) -> AnyElement {
1480        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1481        let card_header_id = SharedString::from("inner-card-header");
1482        let key = (entry_ix, chunk_ix);
1483        let is_open = self.expanded_thinking_blocks.contains(&key);
1484
1485        v_flex()
1486            .child(
1487                h_flex()
1488                    .id(header_id)
1489                    .group(&card_header_id)
1490                    .relative()
1491                    .w_full()
1492                    .gap_1p5()
1493                    .child(
1494                        h_flex()
1495                            .size_4()
1496                            .justify_center()
1497                            .child(
1498                                div()
1499                                    .group_hover(&card_header_id, |s| s.invisible().w_0())
1500                                    .child(
1501                                        Icon::new(IconName::ToolThink)
1502                                            .size(IconSize::Small)
1503                                            .color(Color::Muted),
1504                                    ),
1505                            )
1506                            .child(
1507                                h_flex()
1508                                    .absolute()
1509                                    .inset_0()
1510                                    .invisible()
1511                                    .justify_center()
1512                                    .group_hover(&card_header_id, |s| s.visible())
1513                                    .child(
1514                                        Disclosure::new(("expand", entry_ix), is_open)
1515                                            .opened_icon(IconName::ChevronUp)
1516                                            .closed_icon(IconName::ChevronRight)
1517                                            .on_click(cx.listener({
1518                                                move |this, _event, _window, cx| {
1519                                                    if is_open {
1520                                                        this.expanded_thinking_blocks.remove(&key);
1521                                                    } else {
1522                                                        this.expanded_thinking_blocks.insert(key);
1523                                                    }
1524                                                    cx.notify();
1525                                                }
1526                                            })),
1527                                    ),
1528                            ),
1529                    )
1530                    .child(
1531                        div()
1532                            .text_size(self.tool_name_font_size())
1533                            .text_color(cx.theme().colors().text_muted)
1534                            .child("Thinking"),
1535                    )
1536                    .on_click(cx.listener({
1537                        move |this, _event, _window, cx| {
1538                            if is_open {
1539                                this.expanded_thinking_blocks.remove(&key);
1540                            } else {
1541                                this.expanded_thinking_blocks.insert(key);
1542                            }
1543                            cx.notify();
1544                        }
1545                    })),
1546            )
1547            .when(is_open, |this| {
1548                this.child(
1549                    div()
1550                        .relative()
1551                        .mt_1p5()
1552                        .ml(px(7.))
1553                        .pl_4()
1554                        .border_l_1()
1555                        .border_color(self.tool_card_border_color(cx))
1556                        .text_ui_sm(cx)
1557                        .child(self.render_markdown(
1558                            chunk,
1559                            default_markdown_style(false, false, window, cx),
1560                        )),
1561                )
1562            })
1563            .into_any_element()
1564    }
1565
1566    fn render_tool_call_icon(
1567        &self,
1568        group_name: SharedString,
1569        entry_ix: usize,
1570        is_collapsible: bool,
1571        is_open: bool,
1572        tool_call: &ToolCall,
1573        cx: &Context<Self>,
1574    ) -> Div {
1575        let tool_icon =
1576            if tool_call.kind == acp::ToolKind::Edit && tool_call.locations.len() == 1 {
1577                FileIcons::get_icon(&tool_call.locations[0].path, cx)
1578                    .map(Icon::from_path)
1579                    .unwrap_or(Icon::new(IconName::ToolPencil))
1580            } else {
1581                Icon::new(match tool_call.kind {
1582                    acp::ToolKind::Read => IconName::ToolRead,
1583                    acp::ToolKind::Edit => IconName::ToolPencil,
1584                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
1585                    acp::ToolKind::Move => IconName::ArrowRightLeft,
1586                    acp::ToolKind::Search => IconName::ToolSearch,
1587                    acp::ToolKind::Execute => IconName::ToolTerminal,
1588                    acp::ToolKind::Think => IconName::ToolThink,
1589                    acp::ToolKind::Fetch => IconName::ToolWeb,
1590                    acp::ToolKind::Other => IconName::ToolHammer,
1591                })
1592            }
1593            .size(IconSize::Small)
1594            .color(Color::Muted);
1595
1596        let base_container = h_flex().flex_shrink_0().size_4().justify_center();
1597
1598        if is_collapsible {
1599            base_container
1600                .child(
1601                    div()
1602                        .group_hover(&group_name, |s| s.invisible().w_0())
1603                        .child(tool_icon),
1604                )
1605                .child(
1606                    h_flex()
1607                        .absolute()
1608                        .inset_0()
1609                        .invisible()
1610                        .justify_center()
1611                        .group_hover(&group_name, |s| s.visible())
1612                        .child(
1613                            Disclosure::new(("expand", entry_ix), is_open)
1614                                .opened_icon(IconName::ChevronUp)
1615                                .closed_icon(IconName::ChevronRight)
1616                                .on_click(cx.listener({
1617                                    let id = tool_call.id.clone();
1618                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1619                                        if is_open {
1620                                            this.expanded_tool_calls.remove(&id);
1621                                        } else {
1622                                            this.expanded_tool_calls.insert(id.clone());
1623                                        }
1624                                        cx.notify();
1625                                    }
1626                                })),
1627                        ),
1628                )
1629        } else {
1630            base_container.child(tool_icon)
1631        }
1632    }
1633
1634    fn render_tool_call(
1635        &self,
1636        entry_ix: usize,
1637        tool_call: &ToolCall,
1638        window: &Window,
1639        cx: &Context<Self>,
1640    ) -> Div {
1641        let header_id = SharedString::from(format!("outer-tool-call-header-{}", entry_ix));
1642        let card_header_id = SharedString::from("inner-tool-call-header");
1643
1644        let status_icon = match &tool_call.status {
1645            ToolCallStatus::Pending
1646            | ToolCallStatus::WaitingForConfirmation { .. }
1647            | ToolCallStatus::Completed => None,
1648            ToolCallStatus::InProgress => Some(
1649                div()
1650                    .absolute()
1651                    .right_2()
1652                    .child(
1653                        Icon::new(IconName::ArrowCircle)
1654                            .color(Color::Muted)
1655                            .size(IconSize::Small)
1656                            .with_animation(
1657                                "running",
1658                                Animation::new(Duration::from_secs(3)).repeat(),
1659                                |icon, delta| {
1660                                    icon.transform(Transformation::rotate(percentage(delta)))
1661                                },
1662                            ),
1663                    )
1664                    .into_any(),
1665            ),
1666            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => Some(
1667                div()
1668                    .absolute()
1669                    .right_2()
1670                    .child(
1671                        Icon::new(IconName::Close)
1672                            .color(Color::Error)
1673                            .size(IconSize::Small),
1674                    )
1675                    .into_any_element(),
1676            ),
1677        };
1678
1679        let failed_tool_call = matches!(
1680            tool_call.status,
1681            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
1682        );
1683        let needs_confirmation = matches!(
1684            tool_call.status,
1685            ToolCallStatus::WaitingForConfirmation { .. }
1686        );
1687        let is_edit =
1688            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
1689        let use_card_layout = needs_confirmation || is_edit;
1690
1691        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
1692
1693        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
1694
1695        let gradient_overlay = |color: Hsla| {
1696            div()
1697                .absolute()
1698                .top_0()
1699                .right_0()
1700                .w_12()
1701                .h_full()
1702                .bg(linear_gradient(
1703                    90.,
1704                    linear_color_stop(color, 1.),
1705                    linear_color_stop(color.opacity(0.2), 0.),
1706                ))
1707        };
1708        let gradient_color = if use_card_layout {
1709            self.tool_card_header_bg(cx)
1710        } else {
1711            cx.theme().colors().panel_background
1712        };
1713
1714        let tool_output_display = if is_open {
1715            match &tool_call.status {
1716                ToolCallStatus::WaitingForConfirmation { options, .. } => {
1717                    v_flex()
1718                        .w_full()
1719                        .children(tool_call.content.iter().map(|content| {
1720                            div()
1721                                .child(self.render_tool_call_content(
1722                                    entry_ix, content, tool_call, window, cx,
1723                                ))
1724                                .into_any_element()
1725                        }))
1726                        .child(self.render_permission_buttons(
1727                            options,
1728                            entry_ix,
1729                            tool_call.id.clone(),
1730                            tool_call.content.is_empty(),
1731                            cx,
1732                        ))
1733                        .into_any()
1734                }
1735                ToolCallStatus::Pending | ToolCallStatus::InProgress
1736                    if is_edit
1737                        && tool_call.content.is_empty()
1738                        && self.as_native_connection(cx).is_some() =>
1739                {
1740                    self.render_diff_loading(cx).into_any()
1741                }
1742                ToolCallStatus::Pending
1743                | ToolCallStatus::InProgress
1744                | ToolCallStatus::Completed
1745                | ToolCallStatus::Failed
1746                | ToolCallStatus::Canceled => v_flex()
1747                    .w_full()
1748                    .children(tool_call.content.iter().map(|content| {
1749                        div().child(
1750                            self.render_tool_call_content(entry_ix, content, tool_call, window, cx),
1751                        )
1752                    }))
1753                    .into_any(),
1754                ToolCallStatus::Rejected => Empty.into_any(),
1755            }
1756            .into()
1757        } else {
1758            None
1759        };
1760
1761        v_flex()
1762            .when(use_card_layout, |this| {
1763                this.rounded_md()
1764                    .border_1()
1765                    .border_color(self.tool_card_border_color(cx))
1766                    .bg(cx.theme().colors().editor_background)
1767                    .overflow_hidden()
1768            })
1769            .child(
1770                h_flex()
1771                    .id(header_id)
1772                    .relative()
1773                    .w_full()
1774                    .max_w_full()
1775                    .gap_1()
1776                    .when(use_card_layout, |this| {
1777                        this.pl_1p5()
1778                            .pr_1()
1779                            .py_0p5()
1780                            .rounded_t_md()
1781                            .when(is_open && !failed_tool_call, |this| {
1782                                this.border_b_1()
1783                                    .border_color(self.tool_card_border_color(cx))
1784                            })
1785                            .bg(self.tool_card_header_bg(cx))
1786                    })
1787                    .child(
1788                        h_flex()
1789                            .group(&card_header_id)
1790                            .relative()
1791                            .w_full()
1792                            .h(window.line_height() - px(2.))
1793                            .text_size(self.tool_name_font_size())
1794                            .child(self.render_tool_call_icon(
1795                                card_header_id,
1796                                entry_ix,
1797                                is_collapsible,
1798                                is_open,
1799                                tool_call,
1800                                cx,
1801                            ))
1802                            .child(if tool_call.locations.len() == 1 {
1803                                let name = tool_call.locations[0]
1804                                    .path
1805                                    .file_name()
1806                                    .unwrap_or_default()
1807                                    .display()
1808                                    .to_string();
1809
1810                                h_flex()
1811                                    .id(("open-tool-call-location", entry_ix))
1812                                    .w_full()
1813                                    .max_w_full()
1814                                    .px_1p5()
1815                                    .rounded_sm()
1816                                    .overflow_x_scroll()
1817                                    .hover(|label| {
1818                                        label.bg(cx.theme().colors().element_hover.opacity(0.5))
1819                                    })
1820                                    .map(|this| {
1821                                        if use_card_layout {
1822                                            this.text_color(cx.theme().colors().text)
1823                                        } else {
1824                                            this.text_color(cx.theme().colors().text_muted)
1825                                        }
1826                                    })
1827                                    .child(name)
1828                                    .tooltip(Tooltip::text("Jump to File"))
1829                                    .on_click(cx.listener(move |this, _, window, cx| {
1830                                        this.open_tool_call_location(entry_ix, 0, window, cx);
1831                                    }))
1832                                    .into_any_element()
1833                            } else {
1834                                h_flex()
1835                                    .id("non-card-label-container")
1836                                    .relative()
1837                                    .w_full()
1838                                    .max_w_full()
1839                                    .ml_1p5()
1840                                    .child(h_flex().pr_8().child(self.render_markdown(
1841                                        tool_call.label.clone(),
1842                                        default_markdown_style(false, true, window, cx),
1843                                    )))
1844                                    .child(gradient_overlay(gradient_color))
1845                                    .on_click(cx.listener({
1846                                        let id = tool_call.id.clone();
1847                                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1848                                            if is_open {
1849                                                this.expanded_tool_calls.remove(&id);
1850                                            } else {
1851                                                this.expanded_tool_calls.insert(id.clone());
1852                                            }
1853                                            cx.notify();
1854                                        }
1855                                    }))
1856                                    .into_any()
1857                            }),
1858                    )
1859                    .children(status_icon),
1860            )
1861            .children(tool_output_display)
1862    }
1863
1864    fn render_tool_call_content(
1865        &self,
1866        entry_ix: usize,
1867        content: &ToolCallContent,
1868        tool_call: &ToolCall,
1869        window: &Window,
1870        cx: &Context<Self>,
1871    ) -> AnyElement {
1872        match content {
1873            ToolCallContent::ContentBlock(content) => {
1874                if let Some(resource_link) = content.resource_link() {
1875                    self.render_resource_link(resource_link, cx)
1876                } else if let Some(markdown) = content.markdown() {
1877                    self.render_markdown_output(markdown.clone(), tool_call.id.clone(), window, cx)
1878                } else {
1879                    Empty.into_any_element()
1880                }
1881            }
1882            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
1883            ToolCallContent::Terminal(terminal) => {
1884                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
1885            }
1886        }
1887    }
1888
1889    fn render_markdown_output(
1890        &self,
1891        markdown: Entity<Markdown>,
1892        tool_call_id: acp::ToolCallId,
1893        window: &Window,
1894        cx: &Context<Self>,
1895    ) -> AnyElement {
1896        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
1897
1898        v_flex()
1899            .mt_1p5()
1900            .ml(px(7.))
1901            .px_3p5()
1902            .gap_2()
1903            .border_l_1()
1904            .border_color(self.tool_card_border_color(cx))
1905            .text_sm()
1906            .text_color(cx.theme().colors().text_muted)
1907            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
1908            .child(
1909                Button::new(button_id, "Collapse")
1910                    .full_width()
1911                    .style(ButtonStyle::Outlined)
1912                    .label_size(LabelSize::Small)
1913                    .icon(IconName::ChevronUp)
1914                    .icon_color(Color::Muted)
1915                    .icon_position(IconPosition::Start)
1916                    .on_click(cx.listener({
1917                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1918                            this.expanded_tool_calls.remove(&tool_call_id);
1919                            cx.notify();
1920                        }
1921                    })),
1922            )
1923            .into_any_element()
1924    }
1925
1926    fn render_resource_link(
1927        &self,
1928        resource_link: &acp::ResourceLink,
1929        cx: &Context<Self>,
1930    ) -> AnyElement {
1931        let uri: SharedString = resource_link.uri.clone().into();
1932
1933        let label: SharedString = if let Some(path) = resource_link.uri.strip_prefix("file://") {
1934            path.to_string().into()
1935        } else {
1936            uri.clone()
1937        };
1938
1939        let button_id = SharedString::from(format!("item-{}", uri));
1940
1941        div()
1942            .ml(px(7.))
1943            .pl_2p5()
1944            .border_l_1()
1945            .border_color(self.tool_card_border_color(cx))
1946            .overflow_hidden()
1947            .child(
1948                Button::new(button_id, label)
1949                    .label_size(LabelSize::Small)
1950                    .color(Color::Muted)
1951                    .icon(IconName::ArrowUpRight)
1952                    .icon_size(IconSize::XSmall)
1953                    .icon_color(Color::Muted)
1954                    .truncate(true)
1955                    .on_click(cx.listener({
1956                        let workspace = self.workspace.clone();
1957                        move |_, _, window, cx: &mut Context<Self>| {
1958                            Self::open_link(uri.clone(), &workspace, window, cx);
1959                        }
1960                    })),
1961            )
1962            .into_any_element()
1963    }
1964
1965    fn render_permission_buttons(
1966        &self,
1967        options: &[acp::PermissionOption],
1968        entry_ix: usize,
1969        tool_call_id: acp::ToolCallId,
1970        empty_content: bool,
1971        cx: &Context<Self>,
1972    ) -> Div {
1973        h_flex()
1974            .py_1()
1975            .pl_2()
1976            .pr_1()
1977            .gap_1()
1978            .justify_between()
1979            .flex_wrap()
1980            .when(!empty_content, |this| {
1981                this.border_t_1()
1982                    .border_color(self.tool_card_border_color(cx))
1983            })
1984            .child(
1985                div()
1986                    .min_w(rems_from_px(145.))
1987                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
1988            )
1989            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
1990                let option_id = SharedString::from(option.id.0.clone());
1991                Button::new((option_id, entry_ix), option.name.clone())
1992                    .map(|this| match option.kind {
1993                        acp::PermissionOptionKind::AllowOnce => {
1994                            this.icon(IconName::Check).icon_color(Color::Success)
1995                        }
1996                        acp::PermissionOptionKind::AllowAlways => {
1997                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
1998                        }
1999                        acp::PermissionOptionKind::RejectOnce => {
2000                            this.icon(IconName::Close).icon_color(Color::Error)
2001                        }
2002                        acp::PermissionOptionKind::RejectAlways => {
2003                            this.icon(IconName::Close).icon_color(Color::Error)
2004                        }
2005                    })
2006                    .icon_position(IconPosition::Start)
2007                    .icon_size(IconSize::XSmall)
2008                    .label_size(LabelSize::Small)
2009                    .on_click(cx.listener({
2010                        let tool_call_id = tool_call_id.clone();
2011                        let option_id = option.id.clone();
2012                        let option_kind = option.kind;
2013                        move |this, _, _, cx| {
2014                            this.authorize_tool_call(
2015                                tool_call_id.clone(),
2016                                option_id.clone(),
2017                                option_kind,
2018                                cx,
2019                            );
2020                        }
2021                    }))
2022            })))
2023    }
2024
2025    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2026        let bar = |n: u64, width_class: &str| {
2027            let bg_color = cx.theme().colors().element_active;
2028            let base = h_flex().h_1().rounded_full();
2029
2030            let modified = match width_class {
2031                "w_4_5" => base.w_3_4(),
2032                "w_1_4" => base.w_1_4(),
2033                "w_2_4" => base.w_2_4(),
2034                "w_3_5" => base.w_3_5(),
2035                "w_2_5" => base.w_2_5(),
2036                _ => base.w_1_2(),
2037            };
2038
2039            modified.with_animation(
2040                ElementId::Integer(n),
2041                Animation::new(Duration::from_secs(2)).repeat(),
2042                move |tab, delta| {
2043                    let delta = (delta - 0.15 * n as f32) / 0.7;
2044                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2045                    let delta = ease_in_out(delta.clamp(0., 1.));
2046                    let delta = 0.1 + 0.9 * delta;
2047
2048                    tab.bg(bg_color.opacity(delta))
2049                },
2050            )
2051        };
2052
2053        v_flex()
2054            .p_3()
2055            .gap_1()
2056            .rounded_b_md()
2057            .bg(cx.theme().colors().editor_background)
2058            .child(bar(0, "w_4_5"))
2059            .child(bar(1, "w_1_4"))
2060            .child(bar(2, "w_2_4"))
2061            .child(bar(3, "w_3_5"))
2062            .child(bar(4, "w_2_5"))
2063            .into_any_element()
2064    }
2065
2066    fn render_diff_editor(
2067        &self,
2068        entry_ix: usize,
2069        diff: &Entity<acp_thread::Diff>,
2070        tool_call: &ToolCall,
2071        cx: &Context<Self>,
2072    ) -> AnyElement {
2073        let tool_progress = matches!(
2074            &tool_call.status,
2075            ToolCallStatus::InProgress | ToolCallStatus::Pending
2076        );
2077
2078        v_flex()
2079            .h_full()
2080            .child(
2081                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2082                    && let Some(editor) = entry.editor_for_diff(diff)
2083                    && diff.read(cx).has_revealed_range(cx)
2084                {
2085                    editor.into_any_element()
2086                } else if tool_progress && self.as_native_connection(cx).is_some() {
2087                    self.render_diff_loading(cx)
2088                } else {
2089                    Empty.into_any()
2090                },
2091            )
2092            .into_any()
2093    }
2094
2095    fn render_terminal_tool_call(
2096        &self,
2097        entry_ix: usize,
2098        terminal: &Entity<acp_thread::Terminal>,
2099        tool_call: &ToolCall,
2100        window: &Window,
2101        cx: &Context<Self>,
2102    ) -> AnyElement {
2103        let terminal_data = terminal.read(cx);
2104        let working_dir = terminal_data.working_dir();
2105        let command = terminal_data.command();
2106        let started_at = terminal_data.started_at();
2107
2108        let tool_failed = matches!(
2109            &tool_call.status,
2110            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2111        );
2112
2113        let output = terminal_data.output();
2114        let command_finished = output.is_some();
2115        let truncated_output = output.is_some_and(|output| output.was_content_truncated);
2116        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2117
2118        let command_failed = command_finished
2119            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2120
2121        let time_elapsed = if let Some(output) = output {
2122            output.ended_at.duration_since(started_at)
2123        } else {
2124            started_at.elapsed()
2125        };
2126
2127        let header_bg = cx
2128            .theme()
2129            .colors()
2130            .element_background
2131            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2132        let border_color = cx.theme().colors().border.opacity(0.6);
2133
2134        let working_dir = working_dir
2135            .as_ref()
2136            .map(|path| format!("{}", path.display()))
2137            .unwrap_or_else(|| "current directory".to_string());
2138
2139        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2140
2141        let header = h_flex()
2142            .id(SharedString::from(format!(
2143                "terminal-tool-header-{}",
2144                terminal.entity_id()
2145            )))
2146            .flex_none()
2147            .gap_1()
2148            .justify_between()
2149            .rounded_t_md()
2150            .child(
2151                div()
2152                    .id(("command-target-path", terminal.entity_id()))
2153                    .w_full()
2154                    .max_w_full()
2155                    .overflow_x_scroll()
2156                    .child(
2157                        Label::new(working_dir)
2158                            .buffer_font(cx)
2159                            .size(LabelSize::XSmall)
2160                            .color(Color::Muted),
2161                    ),
2162            )
2163            .when(!command_finished, |header| {
2164                header
2165                    .gap_1p5()
2166                    .child(
2167                        Button::new(
2168                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2169                            "Stop",
2170                        )
2171                        .icon(IconName::Stop)
2172                        .icon_position(IconPosition::Start)
2173                        .icon_size(IconSize::Small)
2174                        .icon_color(Color::Error)
2175                        .label_size(LabelSize::Small)
2176                        .tooltip(move |window, cx| {
2177                            Tooltip::with_meta(
2178                                "Stop This Command",
2179                                None,
2180                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2181                                window,
2182                                cx,
2183                            )
2184                        })
2185                        .on_click({
2186                            let terminal = terminal.clone();
2187                            cx.listener(move |_this, _event, _window, cx| {
2188                                let inner_terminal = terminal.read(cx).inner().clone();
2189                                inner_terminal.update(cx, |inner_terminal, _cx| {
2190                                    inner_terminal.kill_active_task();
2191                                });
2192                            })
2193                        }),
2194                    )
2195                    .child(Divider::vertical())
2196                    .child(
2197                        Icon::new(IconName::ArrowCircle)
2198                            .size(IconSize::XSmall)
2199                            .color(Color::Info)
2200                            .with_animation(
2201                                "arrow-circle",
2202                                Animation::new(Duration::from_secs(2)).repeat(),
2203                                |icon, delta| {
2204                                    icon.transform(Transformation::rotate(percentage(delta)))
2205                                },
2206                            ),
2207                    )
2208            })
2209            .when(tool_failed || command_failed, |header| {
2210                header.child(
2211                    div()
2212                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2213                        .child(
2214                            Icon::new(IconName::Close)
2215                                .size(IconSize::Small)
2216                                .color(Color::Error),
2217                        )
2218                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2219                            this.tooltip(Tooltip::text(format!(
2220                                "Exited with code {}",
2221                                status.code().unwrap_or(-1),
2222                            )))
2223                        }),
2224                )
2225            })
2226            .when(truncated_output, |header| {
2227                let tooltip = if let Some(output) = output {
2228                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2229                        "Output exceeded terminal max lines and was \
2230                            truncated, the model received the first 16 KB."
2231                            .to_string()
2232                    } else {
2233                        format!(
2234                            "Output is {} long, and to avoid unexpected token usage, \
2235                                only 16 KB was sent back to the model.",
2236                            format_file_size(output.original_content_len as u64, true),
2237                        )
2238                    }
2239                } else {
2240                    "Output was truncated".to_string()
2241                };
2242
2243                header.child(
2244                    h_flex()
2245                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2246                        .gap_1()
2247                        .child(
2248                            Icon::new(IconName::Info)
2249                                .size(IconSize::XSmall)
2250                                .color(Color::Ignored),
2251                        )
2252                        .child(
2253                            Label::new("Truncated")
2254                                .color(Color::Muted)
2255                                .size(LabelSize::XSmall),
2256                        )
2257                        .tooltip(Tooltip::text(tooltip)),
2258                )
2259            })
2260            .when(time_elapsed > Duration::from_secs(10), |header| {
2261                header.child(
2262                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2263                        .buffer_font(cx)
2264                        .color(Color::Muted)
2265                        .size(LabelSize::XSmall),
2266                )
2267            })
2268            .child(
2269                Disclosure::new(
2270                    SharedString::from(format!(
2271                        "terminal-tool-disclosure-{}",
2272                        terminal.entity_id()
2273                    )),
2274                    is_expanded,
2275                )
2276                .opened_icon(IconName::ChevronUp)
2277                .closed_icon(IconName::ChevronDown)
2278                .on_click(cx.listener({
2279                    let id = tool_call.id.clone();
2280                    move |this, _event, _window, _cx| {
2281                        if is_expanded {
2282                            this.expanded_tool_calls.remove(&id);
2283                        } else {
2284                            this.expanded_tool_calls.insert(id.clone());
2285                        }
2286                    }
2287                })),
2288            );
2289
2290        let terminal_view = self
2291            .entry_view_state
2292            .read(cx)
2293            .entry(entry_ix)
2294            .and_then(|entry| entry.terminal(terminal));
2295        let show_output = is_expanded && terminal_view.is_some();
2296
2297        v_flex()
2298            .mb_2()
2299            .border_1()
2300            .when(tool_failed || command_failed, |card| card.border_dashed())
2301            .border_color(border_color)
2302            .rounded_md()
2303            .overflow_hidden()
2304            .child(
2305                v_flex()
2306                    .py_1p5()
2307                    .pl_2()
2308                    .pr_1p5()
2309                    .gap_0p5()
2310                    .bg(header_bg)
2311                    .text_xs()
2312                    .child(header)
2313                    .child(
2314                        MarkdownElement::new(
2315                            command.clone(),
2316                            terminal_command_markdown_style(window, cx),
2317                        )
2318                        .code_block_renderer(
2319                            markdown::CodeBlockRenderer::Default {
2320                                copy_button: false,
2321                                copy_button_on_hover: true,
2322                                border: false,
2323                            },
2324                        ),
2325                    ),
2326            )
2327            .when(show_output, |this| {
2328                this.child(
2329                    div()
2330                        .pt_2()
2331                        .border_t_1()
2332                        .when(tool_failed || command_failed, |card| card.border_dashed())
2333                        .border_color(border_color)
2334                        .bg(cx.theme().colors().editor_background)
2335                        .rounded_b_md()
2336                        .text_ui_sm(cx)
2337                        .children(terminal_view.clone()),
2338                )
2339            })
2340            .into_any()
2341    }
2342
2343    fn render_agent_logo(&self) -> AnyElement {
2344        Icon::new(self.agent.logo())
2345            .color(Color::Muted)
2346            .size(IconSize::XLarge)
2347            .into_any_element()
2348    }
2349
2350    fn render_error_agent_logo(&self) -> AnyElement {
2351        let logo = Icon::new(self.agent.logo())
2352            .color(Color::Muted)
2353            .size(IconSize::XLarge)
2354            .into_any_element();
2355
2356        h_flex()
2357            .relative()
2358            .justify_center()
2359            .child(div().opacity(0.3).child(logo))
2360            .child(
2361                h_flex()
2362                    .absolute()
2363                    .right_1()
2364                    .bottom_0()
2365                    .child(Icon::new(IconName::XCircleFilled).color(Color::Error)),
2366            )
2367            .into_any_element()
2368    }
2369
2370    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2371        let project_context = self
2372            .as_native_thread(cx)?
2373            .read(cx)
2374            .project_context()
2375            .read(cx);
2376
2377        let user_rules_text = if project_context.user_rules.is_empty() {
2378            None
2379        } else if project_context.user_rules.len() == 1 {
2380            let user_rules = &project_context.user_rules[0];
2381
2382            match user_rules.title.as_ref() {
2383                Some(title) => Some(format!("Using \"{title}\" user rule")),
2384                None => Some("Using user rule".into()),
2385            }
2386        } else {
2387            Some(format!(
2388                "Using {} user rules",
2389                project_context.user_rules.len()
2390            ))
2391        };
2392
2393        let first_user_rules_id = project_context
2394            .user_rules
2395            .first()
2396            .map(|user_rules| user_rules.uuid.0);
2397
2398        let rules_files = project_context
2399            .worktrees
2400            .iter()
2401            .filter_map(|worktree| worktree.rules_file.as_ref())
2402            .collect::<Vec<_>>();
2403
2404        let rules_file_text = match rules_files.as_slice() {
2405            &[] => None,
2406            &[rules_file] => Some(format!(
2407                "Using project {:?} file",
2408                rules_file.path_in_worktree
2409            )),
2410            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2411        };
2412
2413        if user_rules_text.is_none() && rules_file_text.is_none() {
2414            return None;
2415        }
2416
2417        Some(
2418            v_flex()
2419                .px_2p5()
2420                .gap_1()
2421                .when_some(user_rules_text, |parent, user_rules_text| {
2422                    parent.child(
2423                        h_flex()
2424                            .group("user-rules")
2425                            .id("user-rules")
2426                            .w_full()
2427                            .child(
2428                                Icon::new(IconName::Reader)
2429                                    .size(IconSize::XSmall)
2430                                    .color(Color::Disabled),
2431                            )
2432                            .child(
2433                                Label::new(user_rules_text)
2434                                    .size(LabelSize::XSmall)
2435                                    .color(Color::Muted)
2436                                    .truncate()
2437                                    .buffer_font(cx)
2438                                    .ml_1p5()
2439                                    .mr_0p5(),
2440                            )
2441                            .child(
2442                                IconButton::new("open-prompt-library", IconName::ArrowUpRight)
2443                                    .shape(ui::IconButtonShape::Square)
2444                                    .icon_size(IconSize::XSmall)
2445                                    .icon_color(Color::Ignored)
2446                                    .visible_on_hover("user-rules")
2447                                    // TODO: Figure out a way to pass focus handle here so we can display the `OpenRulesLibrary`  keybinding
2448                                    .tooltip(Tooltip::text("View User Rules")),
2449                            )
2450                            .on_click(move |_event, window, cx| {
2451                                window.dispatch_action(
2452                                    Box::new(OpenRulesLibrary {
2453                                        prompt_to_select: first_user_rules_id,
2454                                    }),
2455                                    cx,
2456                                )
2457                            }),
2458                    )
2459                })
2460                .when_some(rules_file_text, |parent, rules_file_text| {
2461                    parent.child(
2462                        h_flex()
2463                            .group("project-rules")
2464                            .id("project-rules")
2465                            .w_full()
2466                            .child(
2467                                Icon::new(IconName::Reader)
2468                                    .size(IconSize::XSmall)
2469                                    .color(Color::Disabled),
2470                            )
2471                            .child(
2472                                Label::new(rules_file_text)
2473                                    .size(LabelSize::XSmall)
2474                                    .color(Color::Muted)
2475                                    .buffer_font(cx)
2476                                    .ml_1p5()
2477                                    .mr_0p5(),
2478                            )
2479                            .child(
2480                                IconButton::new("open-rule", IconName::ArrowUpRight)
2481                                    .shape(ui::IconButtonShape::Square)
2482                                    .icon_size(IconSize::XSmall)
2483                                    .icon_color(Color::Ignored)
2484                                    .visible_on_hover("project-rules")
2485                                    .tooltip(Tooltip::text("View Project Rules")),
2486                            )
2487                            .on_click(cx.listener(Self::handle_open_rules)),
2488                    )
2489                })
2490                .into_any(),
2491        )
2492    }
2493
2494    fn render_empty_state_section_header(
2495        &self,
2496        label: impl Into<SharedString>,
2497        action_slot: Option<AnyElement>,
2498        cx: &mut Context<Self>,
2499    ) -> impl IntoElement {
2500        div().pl_1().pr_1p5().child(
2501            h_flex()
2502                .mt_2()
2503                .pl_1p5()
2504                .pb_1()
2505                .w_full()
2506                .justify_between()
2507                .border_b_1()
2508                .border_color(cx.theme().colors().border_variant)
2509                .child(
2510                    Label::new(label.into())
2511                        .size(LabelSize::Small)
2512                        .color(Color::Muted),
2513                )
2514                .children(action_slot),
2515        )
2516    }
2517
2518    fn render_empty_state(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2519        let loading = matches!(&self.thread_state, ThreadState::Loading { .. });
2520        let render_history = self
2521            .agent
2522            .clone()
2523            .downcast::<agent2::NativeAgentServer>()
2524            .is_some()
2525            && self
2526                .history_store
2527                .update(cx, |history_store, cx| !history_store.is_empty(cx));
2528
2529        v_flex()
2530            .size_full()
2531            .when(!render_history, |this| {
2532                this.child(
2533                    v_flex()
2534                        .size_full()
2535                        .items_center()
2536                        .justify_center()
2537                        .child(if loading {
2538                            h_flex()
2539                                .justify_center()
2540                                .child(self.render_agent_logo())
2541                                .with_animation(
2542                                    "pulsating_icon",
2543                                    Animation::new(Duration::from_secs(2))
2544                                        .repeat()
2545                                        .with_easing(pulsating_between(0.4, 1.0)),
2546                                    |icon, delta| icon.opacity(delta),
2547                                )
2548                                .into_any()
2549                        } else {
2550                            self.render_agent_logo().into_any_element()
2551                        })
2552                        .child(h_flex().mt_4().mb_2().justify_center().child(if loading {
2553                            div()
2554                                .child(LoadingLabel::new("").size(LabelSize::Large))
2555                                .into_any_element()
2556                        } else {
2557                            Headline::new(self.agent.empty_state_headline())
2558                                .size(HeadlineSize::Medium)
2559                                .into_any_element()
2560                        })),
2561                )
2562            })
2563            .when(render_history, |this| {
2564                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
2565                    history_store.entries().take(3).collect()
2566                });
2567                this.justify_end().child(
2568                    v_flex()
2569                        .child(
2570                            self.render_empty_state_section_header(
2571                                "Recent",
2572                                Some(
2573                                    Button::new("view-history", "View All")
2574                                        .style(ButtonStyle::Subtle)
2575                                        .label_size(LabelSize::Small)
2576                                        .key_binding(
2577                                            KeyBinding::for_action_in(
2578                                                &OpenHistory,
2579                                                &self.focus_handle(cx),
2580                                                window,
2581                                                cx,
2582                                            )
2583                                            .map(|kb| kb.size(rems_from_px(12.))),
2584                                        )
2585                                        .on_click(move |_event, window, cx| {
2586                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2587                                        })
2588                                        .into_any_element(),
2589                                ),
2590                                cx,
2591                            ),
2592                        )
2593                        .child(
2594                            v_flex().p_1().pr_1p5().gap_1().children(
2595                                recent_history
2596                                    .into_iter()
2597                                    .enumerate()
2598                                    .map(|(index, entry)| {
2599                                        // TODO: Add keyboard navigation.
2600                                        let is_hovered =
2601                                            self.hovered_recent_history_item == Some(index);
2602                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2603                                            entry,
2604                                            cx.entity().downgrade(),
2605                                        )
2606                                        .hovered(is_hovered)
2607                                        .on_hover(cx.listener(
2608                                            move |this, is_hovered, _window, cx| {
2609                                                if *is_hovered {
2610                                                    this.hovered_recent_history_item = Some(index);
2611                                                } else if this.hovered_recent_history_item
2612                                                    == Some(index)
2613                                                {
2614                                                    this.hovered_recent_history_item = None;
2615                                                }
2616                                                cx.notify();
2617                                            },
2618                                        ))
2619                                        .into_any_element()
2620                                    }),
2621                            ),
2622                        ),
2623                )
2624            })
2625            .into_any()
2626    }
2627
2628    fn render_auth_required_state(
2629        &self,
2630        connection: &Rc<dyn AgentConnection>,
2631        description: Option<&Entity<Markdown>>,
2632        configuration_view: Option<&AnyView>,
2633        pending_auth_method: Option<&acp::AuthMethodId>,
2634        window: &mut Window,
2635        cx: &Context<Self>,
2636    ) -> Div {
2637        v_flex()
2638            .p_2()
2639            .gap_2()
2640            .flex_1()
2641            .items_center()
2642            .justify_center()
2643            .child(
2644                v_flex()
2645                    .items_center()
2646                    .justify_center()
2647                    .child(self.render_error_agent_logo())
2648                    .child(
2649                        h_flex().mt_4().mb_1().justify_center().child(
2650                            Headline::new("Authentication Required").size(HeadlineSize::Medium),
2651                        ),
2652                    )
2653                    .into_any(),
2654            )
2655            .children(description.map(|desc| {
2656                div().text_ui(cx).text_center().child(self.render_markdown(
2657                    desc.clone(),
2658                    default_markdown_style(false, false, window, cx),
2659                ))
2660            }))
2661            .children(
2662                configuration_view
2663                    .cloned()
2664                    .map(|view| div().px_4().w_full().max_w_128().child(view)),
2665            )
2666            .when(
2667                configuration_view.is_none()
2668                    && description.is_none()
2669                    && pending_auth_method.is_none(),
2670                |el| {
2671                    el.child(
2672                        div()
2673                            .text_ui(cx)
2674                            .text_center()
2675                            .px_4()
2676                            .w_full()
2677                            .max_w_128()
2678                            .child(Label::new("Authentication required")),
2679                    )
2680                },
2681            )
2682            .when_some(pending_auth_method, |el, _| {
2683                let spinner_icon = div()
2684                    .px_0p5()
2685                    .id("generating")
2686                    .tooltip(Tooltip::text("Generating Changes…"))
2687                    .child(
2688                        Icon::new(IconName::ArrowCircle)
2689                            .size(IconSize::Small)
2690                            .with_animation(
2691                                "arrow-circle",
2692                                Animation::new(Duration::from_secs(2)).repeat(),
2693                                |icon, delta| {
2694                                    icon.transform(Transformation::rotate(percentage(delta)))
2695                                },
2696                            )
2697                            .into_any_element(),
2698                    )
2699                    .into_any();
2700                el.child(
2701                    h_flex()
2702                        .text_ui(cx)
2703                        .text_center()
2704                        .justify_center()
2705                        .gap_2()
2706                        .px_4()
2707                        .w_full()
2708                        .max_w_128()
2709                        .child(Label::new("Authenticating..."))
2710                        .child(spinner_icon),
2711                )
2712            })
2713            .child(
2714                h_flex()
2715                    .mt_1p5()
2716                    .gap_1()
2717                    .flex_wrap()
2718                    .justify_center()
2719                    .children(connection.auth_methods().iter().enumerate().rev().map(
2720                        |(ix, method)| {
2721                            Button::new(
2722                                SharedString::from(method.id.0.clone()),
2723                                method.name.clone(),
2724                            )
2725                            .style(ButtonStyle::Outlined)
2726                            .when(ix == 0, |el| {
2727                                el.style(ButtonStyle::Tinted(ui::TintColor::Accent))
2728                            })
2729                            .size(ButtonSize::Medium)
2730                            .label_size(LabelSize::Small)
2731                            .on_click({
2732                                let method_id = method.id.clone();
2733                                cx.listener(move |this, _, window, cx| {
2734                                    this.authenticate(method_id.clone(), window, cx)
2735                                })
2736                            })
2737                        },
2738                    )),
2739            )
2740    }
2741
2742    fn render_load_error(&self, e: &LoadError, cx: &Context<Self>) -> AnyElement {
2743        let mut container = v_flex()
2744            .items_center()
2745            .justify_center()
2746            .child(self.render_error_agent_logo())
2747            .child(
2748                v_flex()
2749                    .mt_4()
2750                    .mb_2()
2751                    .gap_0p5()
2752                    .text_center()
2753                    .items_center()
2754                    .child(Headline::new("Failed to launch").size(HeadlineSize::Medium))
2755                    .child(
2756                        Label::new(e.to_string())
2757                            .size(LabelSize::Small)
2758                            .color(Color::Muted),
2759                    ),
2760            );
2761
2762        if let LoadError::Unsupported {
2763            upgrade_message,
2764            upgrade_command,
2765            ..
2766        } = &e
2767        {
2768            let upgrade_message = upgrade_message.clone();
2769            let upgrade_command = upgrade_command.clone();
2770            container = container.child(
2771                Button::new("upgrade", upgrade_message)
2772                    .tooltip(Tooltip::text(upgrade_command.clone()))
2773                    .on_click(cx.listener(move |this, _, window, cx| {
2774                        let task = this
2775                            .workspace
2776                            .update(cx, |workspace, cx| {
2777                                let project = workspace.project().read(cx);
2778                                let cwd = project.first_project_directory(cx);
2779                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2780                                let spawn_in_terminal = task::SpawnInTerminal {
2781                                    id: task::TaskId("upgrade".to_string()),
2782                                    full_label: upgrade_command.clone(),
2783                                    label: upgrade_command.clone(),
2784                                    command: Some(upgrade_command.clone()),
2785                                    args: Vec::new(),
2786                                    command_label: upgrade_command.clone(),
2787                                    cwd,
2788                                    env: Default::default(),
2789                                    use_new_terminal: true,
2790                                    allow_concurrent_runs: true,
2791                                    reveal: Default::default(),
2792                                    reveal_target: Default::default(),
2793                                    hide: Default::default(),
2794                                    shell,
2795                                    show_summary: true,
2796                                    show_command: true,
2797                                    show_rerun: false,
2798                                };
2799                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2800                            })
2801                            .ok();
2802                        let Some(task) = task else { return };
2803                        cx.spawn_in(window, async move |this, cx| {
2804                            if let Some(Ok(_)) = task.await {
2805                                this.update_in(cx, |this, window, cx| {
2806                                    this.reset(window, cx);
2807                                })
2808                                .ok();
2809                            }
2810                        })
2811                        .detach()
2812                    })),
2813            );
2814        } else if let LoadError::NotInstalled {
2815            install_message,
2816            install_command,
2817            ..
2818        } = e
2819        {
2820            let install_message = install_message.clone();
2821            let install_command = install_command.clone();
2822            container = container.child(
2823                Button::new("install", install_message)
2824                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2825                    .size(ButtonSize::Medium)
2826                    .tooltip(Tooltip::text(install_command.clone()))
2827                    .on_click(cx.listener(move |this, _, window, cx| {
2828                        let task = this
2829                            .workspace
2830                            .update(cx, |workspace, cx| {
2831                                let project = workspace.project().read(cx);
2832                                let cwd = project.first_project_directory(cx);
2833                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2834                                let spawn_in_terminal = task::SpawnInTerminal {
2835                                    id: task::TaskId("install".to_string()),
2836                                    full_label: install_command.clone(),
2837                                    label: install_command.clone(),
2838                                    command: Some(install_command.clone()),
2839                                    args: Vec::new(),
2840                                    command_label: install_command.clone(),
2841                                    cwd,
2842                                    env: Default::default(),
2843                                    use_new_terminal: true,
2844                                    allow_concurrent_runs: true,
2845                                    reveal: Default::default(),
2846                                    reveal_target: Default::default(),
2847                                    hide: Default::default(),
2848                                    shell,
2849                                    show_summary: true,
2850                                    show_command: true,
2851                                    show_rerun: false,
2852                                };
2853                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2854                            })
2855                            .ok();
2856                        let Some(task) = task else { return };
2857                        cx.spawn_in(window, async move |this, cx| {
2858                            if let Some(Ok(_)) = task.await {
2859                                this.update_in(cx, |this, window, cx| {
2860                                    this.reset(window, cx);
2861                                })
2862                                .ok();
2863                            }
2864                        })
2865                        .detach()
2866                    })),
2867            );
2868        }
2869
2870        container.into_any()
2871    }
2872
2873    fn render_activity_bar(
2874        &self,
2875        thread_entity: &Entity<AcpThread>,
2876        window: &mut Window,
2877        cx: &Context<Self>,
2878    ) -> Option<AnyElement> {
2879        let thread = thread_entity.read(cx);
2880        let action_log = thread.action_log();
2881        let changed_buffers = action_log.read(cx).changed_buffers(cx);
2882        let plan = thread.plan();
2883
2884        if changed_buffers.is_empty() && plan.is_empty() {
2885            return None;
2886        }
2887
2888        let editor_bg_color = cx.theme().colors().editor_background;
2889        let active_color = cx.theme().colors().element_selected;
2890        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
2891
2892        let pending_edits = thread.has_pending_edit_tool_calls();
2893
2894        v_flex()
2895            .mt_1()
2896            .mx_2()
2897            .bg(bg_edit_files_disclosure)
2898            .border_1()
2899            .border_b_0()
2900            .border_color(cx.theme().colors().border)
2901            .rounded_t_md()
2902            .shadow(vec![gpui::BoxShadow {
2903                color: gpui::black().opacity(0.15),
2904                offset: point(px(1.), px(-1.)),
2905                blur_radius: px(3.),
2906                spread_radius: px(0.),
2907            }])
2908            .when(!plan.is_empty(), |this| {
2909                this.child(self.render_plan_summary(plan, window, cx))
2910                    .when(self.plan_expanded, |parent| {
2911                        parent.child(self.render_plan_entries(plan, window, cx))
2912                    })
2913            })
2914            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
2915                this.child(Divider::horizontal().color(DividerColor::Border))
2916            })
2917            .when(!changed_buffers.is_empty(), |this| {
2918                this.child(self.render_edits_summary(
2919                    &changed_buffers,
2920                    self.edits_expanded,
2921                    pending_edits,
2922                    window,
2923                    cx,
2924                ))
2925                .when(self.edits_expanded, |parent| {
2926                    parent.child(self.render_edited_files(
2927                        action_log,
2928                        &changed_buffers,
2929                        pending_edits,
2930                        cx,
2931                    ))
2932                })
2933            })
2934            .into_any()
2935            .into()
2936    }
2937
2938    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2939        let stats = plan.stats();
2940
2941        let title = if let Some(entry) = stats.in_progress_entry
2942            && !self.plan_expanded
2943        {
2944            h_flex()
2945                .w_full()
2946                .cursor_default()
2947                .gap_1()
2948                .text_xs()
2949                .text_color(cx.theme().colors().text_muted)
2950                .justify_between()
2951                .child(
2952                    h_flex()
2953                        .gap_1()
2954                        .child(
2955                            Label::new("Current:")
2956                                .size(LabelSize::Small)
2957                                .color(Color::Muted),
2958                        )
2959                        .child(MarkdownElement::new(
2960                            entry.content.clone(),
2961                            plan_label_markdown_style(&entry.status, window, cx),
2962                        )),
2963                )
2964                .when(stats.pending > 0, |this| {
2965                    this.child(
2966                        Label::new(format!("{} left", stats.pending))
2967                            .size(LabelSize::Small)
2968                            .color(Color::Muted)
2969                            .mr_1(),
2970                    )
2971                })
2972        } else {
2973            let status_label = if stats.pending == 0 {
2974                "All Done".to_string()
2975            } else if stats.completed == 0 {
2976                format!("{} Tasks", plan.entries.len())
2977            } else {
2978                format!("{}/{}", stats.completed, plan.entries.len())
2979            };
2980
2981            h_flex()
2982                .w_full()
2983                .gap_1()
2984                .justify_between()
2985                .child(
2986                    Label::new("Plan")
2987                        .size(LabelSize::Small)
2988                        .color(Color::Muted),
2989                )
2990                .child(
2991                    Label::new(status_label)
2992                        .size(LabelSize::Small)
2993                        .color(Color::Muted)
2994                        .mr_1(),
2995                )
2996        };
2997
2998        h_flex()
2999            .p_1()
3000            .justify_between()
3001            .when(self.plan_expanded, |this| {
3002                this.border_b_1().border_color(cx.theme().colors().border)
3003            })
3004            .child(
3005                h_flex()
3006                    .id("plan_summary")
3007                    .w_full()
3008                    .gap_1()
3009                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3010                    .child(title)
3011                    .on_click(cx.listener(|this, _, _, cx| {
3012                        this.plan_expanded = !this.plan_expanded;
3013                        cx.notify();
3014                    })),
3015            )
3016    }
3017
3018    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3019        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3020            let element = h_flex()
3021                .py_1()
3022                .px_2()
3023                .gap_2()
3024                .justify_between()
3025                .bg(cx.theme().colors().editor_background)
3026                .when(index < plan.entries.len() - 1, |parent| {
3027                    parent.border_color(cx.theme().colors().border).border_b_1()
3028                })
3029                .child(
3030                    h_flex()
3031                        .id(("plan_entry", index))
3032                        .gap_1p5()
3033                        .max_w_full()
3034                        .overflow_x_scroll()
3035                        .text_xs()
3036                        .text_color(cx.theme().colors().text_muted)
3037                        .child(match entry.status {
3038                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3039                                .size(IconSize::Small)
3040                                .color(Color::Muted)
3041                                .into_any_element(),
3042                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3043                                .size(IconSize::Small)
3044                                .color(Color::Accent)
3045                                .with_animation(
3046                                    "running",
3047                                    Animation::new(Duration::from_secs(2)).repeat(),
3048                                    |icon, delta| {
3049                                        icon.transform(Transformation::rotate(percentage(delta)))
3050                                    },
3051                                )
3052                                .into_any_element(),
3053                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3054                                .size(IconSize::Small)
3055                                .color(Color::Success)
3056                                .into_any_element(),
3057                        })
3058                        .child(MarkdownElement::new(
3059                            entry.content.clone(),
3060                            plan_label_markdown_style(&entry.status, window, cx),
3061                        )),
3062                );
3063
3064            Some(element)
3065        }))
3066    }
3067
3068    fn render_edits_summary(
3069        &self,
3070        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3071        expanded: bool,
3072        pending_edits: bool,
3073        window: &mut Window,
3074        cx: &Context<Self>,
3075    ) -> Div {
3076        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3077
3078        let focus_handle = self.focus_handle(cx);
3079
3080        h_flex()
3081            .p_1()
3082            .justify_between()
3083            .when(expanded, |this| {
3084                this.border_b_1().border_color(cx.theme().colors().border)
3085            })
3086            .child(
3087                h_flex()
3088                    .id("edits-container")
3089                    .w_full()
3090                    .gap_1()
3091                    .child(Disclosure::new("edits-disclosure", expanded))
3092                    .map(|this| {
3093                        if pending_edits {
3094                            this.child(
3095                                Label::new(format!(
3096                                    "Editing {} {}",
3097                                    changed_buffers.len(),
3098                                    if changed_buffers.len() == 1 {
3099                                        "file"
3100                                    } else {
3101                                        "files"
3102                                    }
3103                                ))
3104                                .color(Color::Muted)
3105                                .size(LabelSize::Small)
3106                                .with_animation(
3107                                    "edit-label",
3108                                    Animation::new(Duration::from_secs(2))
3109                                        .repeat()
3110                                        .with_easing(pulsating_between(0.3, 0.7)),
3111                                    |label, delta| label.alpha(delta),
3112                                ),
3113                            )
3114                        } else {
3115                            this.child(
3116                                Label::new("Edits")
3117                                    .size(LabelSize::Small)
3118                                    .color(Color::Muted),
3119                            )
3120                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3121                            .child(
3122                                Label::new(format!(
3123                                    "{} {}",
3124                                    changed_buffers.len(),
3125                                    if changed_buffers.len() == 1 {
3126                                        "file"
3127                                    } else {
3128                                        "files"
3129                                    }
3130                                ))
3131                                .size(LabelSize::Small)
3132                                .color(Color::Muted),
3133                            )
3134                        }
3135                    })
3136                    .on_click(cx.listener(|this, _, _, cx| {
3137                        this.edits_expanded = !this.edits_expanded;
3138                        cx.notify();
3139                    })),
3140            )
3141            .child(
3142                h_flex()
3143                    .gap_1()
3144                    .child(
3145                        IconButton::new("review-changes", IconName::ListTodo)
3146                            .icon_size(IconSize::Small)
3147                            .tooltip({
3148                                let focus_handle = focus_handle.clone();
3149                                move |window, cx| {
3150                                    Tooltip::for_action_in(
3151                                        "Review Changes",
3152                                        &OpenAgentDiff,
3153                                        &focus_handle,
3154                                        window,
3155                                        cx,
3156                                    )
3157                                }
3158                            })
3159                            .on_click(cx.listener(|_, _, window, cx| {
3160                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3161                            })),
3162                    )
3163                    .child(Divider::vertical().color(DividerColor::Border))
3164                    .child(
3165                        Button::new("reject-all-changes", "Reject All")
3166                            .label_size(LabelSize::Small)
3167                            .disabled(pending_edits)
3168                            .when(pending_edits, |this| {
3169                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3170                            })
3171                            .key_binding(
3172                                KeyBinding::for_action_in(
3173                                    &RejectAll,
3174                                    &focus_handle.clone(),
3175                                    window,
3176                                    cx,
3177                                )
3178                                .map(|kb| kb.size(rems_from_px(10.))),
3179                            )
3180                            .on_click(cx.listener(move |this, _, window, cx| {
3181                                this.reject_all(&RejectAll, window, cx);
3182                            })),
3183                    )
3184                    .child(
3185                        Button::new("keep-all-changes", "Keep All")
3186                            .label_size(LabelSize::Small)
3187                            .disabled(pending_edits)
3188                            .when(pending_edits, |this| {
3189                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3190                            })
3191                            .key_binding(
3192                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3193                                    .map(|kb| kb.size(rems_from_px(10.))),
3194                            )
3195                            .on_click(cx.listener(move |this, _, window, cx| {
3196                                this.keep_all(&KeepAll, window, cx);
3197                            })),
3198                    ),
3199            )
3200    }
3201
3202    fn render_edited_files(
3203        &self,
3204        action_log: &Entity<ActionLog>,
3205        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3206        pending_edits: bool,
3207        cx: &Context<Self>,
3208    ) -> Div {
3209        let editor_bg_color = cx.theme().colors().editor_background;
3210
3211        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3212            |(index, (buffer, _diff))| {
3213                let file = buffer.read(cx).file()?;
3214                let path = file.path();
3215
3216                let file_path = path.parent().and_then(|parent| {
3217                    let parent_str = parent.to_string_lossy();
3218
3219                    if parent_str.is_empty() {
3220                        None
3221                    } else {
3222                        Some(
3223                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3224                                .color(Color::Muted)
3225                                .size(LabelSize::XSmall)
3226                                .buffer_font(cx),
3227                        )
3228                    }
3229                });
3230
3231                let file_name = path.file_name().map(|name| {
3232                    Label::new(name.to_string_lossy().to_string())
3233                        .size(LabelSize::XSmall)
3234                        .buffer_font(cx)
3235                });
3236
3237                let file_icon = FileIcons::get_icon(path, cx)
3238                    .map(Icon::from_path)
3239                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3240                    .unwrap_or_else(|| {
3241                        Icon::new(IconName::File)
3242                            .color(Color::Muted)
3243                            .size(IconSize::Small)
3244                    });
3245
3246                let overlay_gradient = linear_gradient(
3247                    90.,
3248                    linear_color_stop(editor_bg_color, 1.),
3249                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3250                );
3251
3252                let element = h_flex()
3253                    .group("edited-code")
3254                    .id(("file-container", index))
3255                    .relative()
3256                    .py_1()
3257                    .pl_2()
3258                    .pr_1()
3259                    .gap_2()
3260                    .justify_between()
3261                    .bg(editor_bg_color)
3262                    .when(index < changed_buffers.len() - 1, |parent| {
3263                        parent.border_color(cx.theme().colors().border).border_b_1()
3264                    })
3265                    .child(
3266                        h_flex()
3267                            .id(("file-name", index))
3268                            .pr_8()
3269                            .gap_1p5()
3270                            .max_w_full()
3271                            .overflow_x_scroll()
3272                            .child(file_icon)
3273                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3274                            .on_click({
3275                                let buffer = buffer.clone();
3276                                cx.listener(move |this, _, window, cx| {
3277                                    this.open_edited_buffer(&buffer, window, cx);
3278                                })
3279                            }),
3280                    )
3281                    .child(
3282                        h_flex()
3283                            .gap_1()
3284                            .visible_on_hover("edited-code")
3285                            .child(
3286                                Button::new("review", "Review")
3287                                    .label_size(LabelSize::Small)
3288                                    .on_click({
3289                                        let buffer = buffer.clone();
3290                                        cx.listener(move |this, _, window, cx| {
3291                                            this.open_edited_buffer(&buffer, window, cx);
3292                                        })
3293                                    }),
3294                            )
3295                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3296                            .child(
3297                                Button::new("reject-file", "Reject")
3298                                    .label_size(LabelSize::Small)
3299                                    .disabled(pending_edits)
3300                                    .on_click({
3301                                        let buffer = buffer.clone();
3302                                        let action_log = action_log.clone();
3303                                        move |_, _, cx| {
3304                                            action_log.update(cx, |action_log, cx| {
3305                                                action_log
3306                                                    .reject_edits_in_ranges(
3307                                                        buffer.clone(),
3308                                                        vec![Anchor::MIN..Anchor::MAX],
3309                                                        cx,
3310                                                    )
3311                                                    .detach_and_log_err(cx);
3312                                            })
3313                                        }
3314                                    }),
3315                            )
3316                            .child(
3317                                Button::new("keep-file", "Keep")
3318                                    .label_size(LabelSize::Small)
3319                                    .disabled(pending_edits)
3320                                    .on_click({
3321                                        let buffer = buffer.clone();
3322                                        let action_log = action_log.clone();
3323                                        move |_, _, cx| {
3324                                            action_log.update(cx, |action_log, cx| {
3325                                                action_log.keep_edits_in_range(
3326                                                    buffer.clone(),
3327                                                    Anchor::MIN..Anchor::MAX,
3328                                                    cx,
3329                                                );
3330                                            })
3331                                        }
3332                                    }),
3333                            ),
3334                    )
3335                    .child(
3336                        div()
3337                            .id("gradient-overlay")
3338                            .absolute()
3339                            .h_full()
3340                            .w_12()
3341                            .top_0()
3342                            .bottom_0()
3343                            .right(px(152.))
3344                            .bg(overlay_gradient),
3345                    );
3346
3347                Some(element)
3348            },
3349        ))
3350    }
3351
3352    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3353        let focus_handle = self.message_editor.focus_handle(cx);
3354        let editor_bg_color = cx.theme().colors().editor_background;
3355        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3356            (IconName::Minimize, "Minimize Message Editor")
3357        } else {
3358            (IconName::Maximize, "Expand Message Editor")
3359        };
3360
3361        v_flex()
3362            .on_action(cx.listener(Self::expand_message_editor))
3363            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3364                if let Some(profile_selector) = this.profile_selector.as_ref() {
3365                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3366                }
3367            }))
3368            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3369                if let Some(model_selector) = this.model_selector.as_ref() {
3370                    model_selector
3371                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3372                }
3373            }))
3374            .p_2()
3375            .gap_2()
3376            .border_t_1()
3377            .border_color(cx.theme().colors().border)
3378            .bg(editor_bg_color)
3379            .when(self.editor_expanded, |this| {
3380                this.h(vh(0.8, window)).size_full().justify_between()
3381            })
3382            .child(
3383                v_flex()
3384                    .relative()
3385                    .size_full()
3386                    .pt_1()
3387                    .pr_2p5()
3388                    .child(self.message_editor.clone())
3389                    .child(
3390                        h_flex()
3391                            .absolute()
3392                            .top_0()
3393                            .right_0()
3394                            .opacity(0.5)
3395                            .hover(|this| this.opacity(1.0))
3396                            .child(
3397                                IconButton::new("toggle-height", expand_icon)
3398                                    .icon_size(IconSize::Small)
3399                                    .icon_color(Color::Muted)
3400                                    .tooltip({
3401                                        move |window, cx| {
3402                                            Tooltip::for_action_in(
3403                                                expand_tooltip,
3404                                                &ExpandMessageEditor,
3405                                                &focus_handle,
3406                                                window,
3407                                                cx,
3408                                            )
3409                                        }
3410                                    })
3411                                    .on_click(cx.listener(|_, _, window, cx| {
3412                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3413                                    })),
3414                            ),
3415                    ),
3416            )
3417            .child(
3418                h_flex()
3419                    .flex_none()
3420                    .flex_wrap()
3421                    .justify_between()
3422                    .child(
3423                        h_flex()
3424                            .child(self.render_follow_toggle(cx))
3425                            .children(self.render_burn_mode_toggle(cx)),
3426                    )
3427                    .child(
3428                        h_flex()
3429                            .gap_1()
3430                            .children(self.render_token_usage(cx))
3431                            .children(self.profile_selector.clone())
3432                            .children(self.model_selector.clone())
3433                            .child(self.render_send_button(cx)),
3434                    ),
3435            )
3436            .into_any()
3437    }
3438
3439    pub(crate) fn as_native_connection(
3440        &self,
3441        cx: &App,
3442    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3443        let acp_thread = self.thread()?.read(cx);
3444        acp_thread.connection().clone().downcast()
3445    }
3446
3447    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3448        let acp_thread = self.thread()?.read(cx);
3449        self.as_native_connection(cx)?
3450            .thread(acp_thread.session_id(), cx)
3451    }
3452
3453    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3454        self.as_native_thread(cx)
3455            .and_then(|thread| thread.read(cx).model())
3456            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3457    }
3458
3459    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3460        let thread = self.thread()?.read(cx);
3461        let usage = thread.token_usage()?;
3462        let is_generating = thread.status() != ThreadStatus::Idle;
3463
3464        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3465        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3466
3467        Some(
3468            h_flex()
3469                .flex_shrink_0()
3470                .gap_0p5()
3471                .mr_1p5()
3472                .child(
3473                    Label::new(used)
3474                        .size(LabelSize::Small)
3475                        .color(Color::Muted)
3476                        .map(|label| {
3477                            if is_generating {
3478                                label
3479                                    .with_animation(
3480                                        "used-tokens-label",
3481                                        Animation::new(Duration::from_secs(2))
3482                                            .repeat()
3483                                            .with_easing(pulsating_between(0.3, 0.8)),
3484                                        |label, delta| label.alpha(delta),
3485                                    )
3486                                    .into_any()
3487                            } else {
3488                                label.into_any_element()
3489                            }
3490                        }),
3491                )
3492                .child(
3493                    Label::new("/")
3494                        .size(LabelSize::Small)
3495                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3496                )
3497                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3498        )
3499    }
3500
3501    fn toggle_burn_mode(
3502        &mut self,
3503        _: &ToggleBurnMode,
3504        _window: &mut Window,
3505        cx: &mut Context<Self>,
3506    ) {
3507        let Some(thread) = self.as_native_thread(cx) else {
3508            return;
3509        };
3510
3511        thread.update(cx, |thread, cx| {
3512            let current_mode = thread.completion_mode();
3513            thread.set_completion_mode(
3514                match current_mode {
3515                    CompletionMode::Burn => CompletionMode::Normal,
3516                    CompletionMode::Normal => CompletionMode::Burn,
3517                },
3518                cx,
3519            );
3520        });
3521    }
3522
3523    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3524        let Some(thread) = self.thread() else {
3525            return;
3526        };
3527        let action_log = thread.read(cx).action_log().clone();
3528        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3529    }
3530
3531    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3532        let Some(thread) = self.thread() else {
3533            return;
3534        };
3535        let action_log = thread.read(cx).action_log().clone();
3536        action_log
3537            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3538            .detach();
3539    }
3540
3541    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3542        let thread = self.as_native_thread(cx)?.read(cx);
3543
3544        if thread
3545            .model()
3546            .is_none_or(|model| !model.supports_burn_mode())
3547        {
3548            return None;
3549        }
3550
3551        let active_completion_mode = thread.completion_mode();
3552        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3553        let icon = if burn_mode_enabled {
3554            IconName::ZedBurnModeOn
3555        } else {
3556            IconName::ZedBurnMode
3557        };
3558
3559        Some(
3560            IconButton::new("burn-mode", icon)
3561                .icon_size(IconSize::Small)
3562                .icon_color(Color::Muted)
3563                .toggle_state(burn_mode_enabled)
3564                .selected_icon_color(Color::Error)
3565                .on_click(cx.listener(|this, _event, window, cx| {
3566                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3567                }))
3568                .tooltip(move |_window, cx| {
3569                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3570                        .into()
3571                })
3572                .into_any_element(),
3573        )
3574    }
3575
3576    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3577        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3578        let is_generating = self
3579            .thread()
3580            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3581
3582        if is_generating && is_editor_empty {
3583            IconButton::new("stop-generation", IconName::Stop)
3584                .icon_color(Color::Error)
3585                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3586                .tooltip(move |window, cx| {
3587                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3588                })
3589                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3590                .into_any_element()
3591        } else {
3592            let send_btn_tooltip = if is_editor_empty && !is_generating {
3593                "Type to Send"
3594            } else if is_generating {
3595                "Stop and Send Message"
3596            } else {
3597                "Send"
3598            };
3599
3600            IconButton::new("send-message", IconName::Send)
3601                .style(ButtonStyle::Filled)
3602                .map(|this| {
3603                    if is_editor_empty && !is_generating {
3604                        this.disabled(true).icon_color(Color::Muted)
3605                    } else {
3606                        this.icon_color(Color::Accent)
3607                    }
3608                })
3609                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3610                .on_click(cx.listener(|this, _, window, cx| {
3611                    this.send(window, cx);
3612                }))
3613                .into_any_element()
3614        }
3615    }
3616
3617    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3618        let following = self
3619            .workspace
3620            .read_with(cx, |workspace, _| {
3621                workspace.is_being_followed(CollaboratorId::Agent)
3622            })
3623            .unwrap_or(false);
3624
3625        IconButton::new("follow-agent", IconName::Crosshair)
3626            .icon_size(IconSize::Small)
3627            .icon_color(Color::Muted)
3628            .toggle_state(following)
3629            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3630            .tooltip(move |window, cx| {
3631                if following {
3632                    Tooltip::for_action("Stop Following Agent", &Follow, window, cx)
3633                } else {
3634                    Tooltip::with_meta(
3635                        "Follow Agent",
3636                        Some(&Follow),
3637                        "Track the agent's location as it reads and edits files.",
3638                        window,
3639                        cx,
3640                    )
3641                }
3642            })
3643            .on_click(cx.listener(move |this, _, window, cx| {
3644                this.workspace
3645                    .update(cx, |workspace, cx| {
3646                        if following {
3647                            workspace.unfollow(CollaboratorId::Agent, window, cx);
3648                        } else {
3649                            workspace.follow(CollaboratorId::Agent, window, cx);
3650                        }
3651                    })
3652                    .ok();
3653            }))
3654    }
3655
3656    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
3657        let workspace = self.workspace.clone();
3658        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
3659            Self::open_link(text, &workspace, window, cx);
3660        })
3661    }
3662
3663    fn open_link(
3664        url: SharedString,
3665        workspace: &WeakEntity<Workspace>,
3666        window: &mut Window,
3667        cx: &mut App,
3668    ) {
3669        let Some(workspace) = workspace.upgrade() else {
3670            cx.open_url(&url);
3671            return;
3672        };
3673
3674        if let Some(mention) = MentionUri::parse(&url).log_err() {
3675            workspace.update(cx, |workspace, cx| match mention {
3676                MentionUri::File { abs_path } => {
3677                    let project = workspace.project();
3678                    let Some(path) =
3679                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
3680                    else {
3681                        return;
3682                    };
3683
3684                    workspace
3685                        .open_path(path, None, true, window, cx)
3686                        .detach_and_log_err(cx);
3687                }
3688                MentionUri::Directory { abs_path } => {
3689                    let project = workspace.project();
3690                    let Some(entry) = project.update(cx, |project, cx| {
3691                        let path = project.find_project_path(abs_path, cx)?;
3692                        project.entry_for_path(&path, cx)
3693                    }) else {
3694                        return;
3695                    };
3696
3697                    project.update(cx, |_, cx| {
3698                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
3699                    });
3700                }
3701                MentionUri::Symbol {
3702                    path, line_range, ..
3703                }
3704                | MentionUri::Selection { path, line_range } => {
3705                    let project = workspace.project();
3706                    let Some((path, _)) = project.update(cx, |project, cx| {
3707                        let path = project.find_project_path(path, cx)?;
3708                        let entry = project.entry_for_path(&path, cx)?;
3709                        Some((path, entry))
3710                    }) else {
3711                        return;
3712                    };
3713
3714                    let item = workspace.open_path(path, None, true, window, cx);
3715                    window
3716                        .spawn(cx, async move |cx| {
3717                            let Some(editor) = item.await?.downcast::<Editor>() else {
3718                                return Ok(());
3719                            };
3720                            let range =
3721                                Point::new(line_range.start, 0)..Point::new(line_range.start, 0);
3722                            editor
3723                                .update_in(cx, |editor, window, cx| {
3724                                    editor.change_selections(
3725                                        SelectionEffects::scroll(Autoscroll::center()),
3726                                        window,
3727                                        cx,
3728                                        |s| s.select_ranges(vec![range]),
3729                                    );
3730                                })
3731                                .ok();
3732                            anyhow::Ok(())
3733                        })
3734                        .detach_and_log_err(cx);
3735                }
3736                MentionUri::Thread { id, name } => {
3737                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3738                        panel.update(cx, |panel, cx| {
3739                            panel.load_agent_thread(
3740                                DbThreadMetadata {
3741                                    id,
3742                                    title: name.into(),
3743                                    updated_at: Default::default(),
3744                                },
3745                                window,
3746                                cx,
3747                            )
3748                        });
3749                    }
3750                }
3751                MentionUri::TextThread { path, .. } => {
3752                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3753                        panel.update(cx, |panel, cx| {
3754                            panel
3755                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
3756                                .detach_and_log_err(cx);
3757                        });
3758                    }
3759                }
3760                MentionUri::Rule { id, .. } => {
3761                    let PromptId::User { uuid } = id else {
3762                        return;
3763                    };
3764                    window.dispatch_action(
3765                        Box::new(OpenRulesLibrary {
3766                            prompt_to_select: Some(uuid.0),
3767                        }),
3768                        cx,
3769                    )
3770                }
3771                MentionUri::Fetch { url } => {
3772                    cx.open_url(url.as_str());
3773                }
3774            })
3775        } else {
3776            cx.open_url(&url);
3777        }
3778    }
3779
3780    fn open_tool_call_location(
3781        &self,
3782        entry_ix: usize,
3783        location_ix: usize,
3784        window: &mut Window,
3785        cx: &mut Context<Self>,
3786    ) -> Option<()> {
3787        let (tool_call_location, agent_location) = self
3788            .thread()?
3789            .read(cx)
3790            .entries()
3791            .get(entry_ix)?
3792            .location(location_ix)?;
3793
3794        let project_path = self
3795            .project
3796            .read(cx)
3797            .find_project_path(&tool_call_location.path, cx)?;
3798
3799        let open_task = self
3800            .workspace
3801            .update(cx, |workspace, cx| {
3802                workspace.open_path(project_path, None, true, window, cx)
3803            })
3804            .log_err()?;
3805        window
3806            .spawn(cx, async move |cx| {
3807                let item = open_task.await?;
3808
3809                let Some(active_editor) = item.downcast::<Editor>() else {
3810                    return anyhow::Ok(());
3811                };
3812
3813                active_editor.update_in(cx, |editor, window, cx| {
3814                    let multibuffer = editor.buffer().read(cx);
3815                    let buffer = multibuffer.as_singleton();
3816                    if agent_location.buffer.upgrade() == buffer {
3817                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
3818                        let anchor = editor::Anchor::in_buffer(
3819                            excerpt_id.unwrap(),
3820                            buffer.unwrap().read(cx).remote_id(),
3821                            agent_location.position,
3822                        );
3823                        editor.change_selections(Default::default(), window, cx, |selections| {
3824                            selections.select_anchor_ranges([anchor..anchor]);
3825                        })
3826                    } else {
3827                        let row = tool_call_location.line.unwrap_or_default();
3828                        editor.change_selections(Default::default(), window, cx, |selections| {
3829                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
3830                        })
3831                    }
3832                })?;
3833
3834                anyhow::Ok(())
3835            })
3836            .detach_and_log_err(cx);
3837
3838        None
3839    }
3840
3841    pub fn open_thread_as_markdown(
3842        &self,
3843        workspace: Entity<Workspace>,
3844        window: &mut Window,
3845        cx: &mut App,
3846    ) -> Task<anyhow::Result<()>> {
3847        let markdown_language_task = workspace
3848            .read(cx)
3849            .app_state()
3850            .languages
3851            .language_for_name("Markdown");
3852
3853        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
3854            let thread = thread.read(cx);
3855            (thread.title().to_string(), thread.to_markdown(cx))
3856        } else {
3857            return Task::ready(Ok(()));
3858        };
3859
3860        window.spawn(cx, async move |cx| {
3861            let markdown_language = markdown_language_task.await?;
3862
3863            workspace.update_in(cx, |workspace, window, cx| {
3864                let project = workspace.project().clone();
3865
3866                if !project.read(cx).is_local() {
3867                    bail!("failed to open active thread as markdown in remote project");
3868                }
3869
3870                let buffer = project.update(cx, |project, cx| {
3871                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
3872                });
3873                let buffer = cx.new(|cx| {
3874                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
3875                });
3876
3877                workspace.add_item_to_active_pane(
3878                    Box::new(cx.new(|cx| {
3879                        let mut editor =
3880                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
3881                        editor.set_breadcrumb_header(thread_summary);
3882                        editor
3883                    })),
3884                    None,
3885                    true,
3886                    window,
3887                    cx,
3888                );
3889
3890                anyhow::Ok(())
3891            })??;
3892            anyhow::Ok(())
3893        })
3894    }
3895
3896    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
3897        self.list_state.scroll_to(ListOffset::default());
3898        cx.notify();
3899    }
3900
3901    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
3902        if let Some(thread) = self.thread() {
3903            let entry_count = thread.read(cx).entries().len();
3904            self.list_state.reset(entry_count);
3905            cx.notify();
3906        }
3907    }
3908
3909    fn notify_with_sound(
3910        &mut self,
3911        caption: impl Into<SharedString>,
3912        icon: IconName,
3913        window: &mut Window,
3914        cx: &mut Context<Self>,
3915    ) {
3916        self.play_notification_sound(window, cx);
3917        self.show_notification(caption, icon, window, cx);
3918    }
3919
3920    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
3921        let settings = AgentSettings::get_global(cx);
3922        if settings.play_sound_when_agent_done && !window.is_window_active() {
3923            Audio::play_sound(Sound::AgentDone, cx);
3924        }
3925    }
3926
3927    fn show_notification(
3928        &mut self,
3929        caption: impl Into<SharedString>,
3930        icon: IconName,
3931        window: &mut Window,
3932        cx: &mut Context<Self>,
3933    ) {
3934        if window.is_window_active() || !self.notifications.is_empty() {
3935            return;
3936        }
3937
3938        let title = self.title(cx);
3939
3940        match AgentSettings::get_global(cx).notify_when_agent_waiting {
3941            NotifyWhenAgentWaiting::PrimaryScreen => {
3942                if let Some(primary) = cx.primary_display() {
3943                    self.pop_up(icon, caption.into(), title, window, primary, cx);
3944                }
3945            }
3946            NotifyWhenAgentWaiting::AllScreens => {
3947                let caption = caption.into();
3948                for screen in cx.displays() {
3949                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
3950                }
3951            }
3952            NotifyWhenAgentWaiting::Never => {
3953                // Don't show anything
3954            }
3955        }
3956    }
3957
3958    fn pop_up(
3959        &mut self,
3960        icon: IconName,
3961        caption: SharedString,
3962        title: SharedString,
3963        window: &mut Window,
3964        screen: Rc<dyn PlatformDisplay>,
3965        cx: &mut Context<Self>,
3966    ) {
3967        let options = AgentNotification::window_options(screen, cx);
3968
3969        let project_name = self.workspace.upgrade().and_then(|workspace| {
3970            workspace
3971                .read(cx)
3972                .project()
3973                .read(cx)
3974                .visible_worktrees(cx)
3975                .next()
3976                .map(|worktree| worktree.read(cx).root_name().to_string())
3977        });
3978
3979        if let Some(screen_window) = cx
3980            .open_window(options, |_, cx| {
3981                cx.new(|_| {
3982                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
3983                })
3984            })
3985            .log_err()
3986            && let Some(pop_up) = screen_window.entity(cx).log_err()
3987        {
3988            self.notification_subscriptions
3989                .entry(screen_window)
3990                .or_insert_with(Vec::new)
3991                .push(cx.subscribe_in(&pop_up, window, {
3992                    |this, _, event, window, cx| match event {
3993                        AgentNotificationEvent::Accepted => {
3994                            let handle = window.window_handle();
3995                            cx.activate(true);
3996
3997                            let workspace_handle = this.workspace.clone();
3998
3999                            // If there are multiple Zed windows, activate the correct one.
4000                            cx.defer(move |cx| {
4001                                handle
4002                                    .update(cx, |_view, window, _cx| {
4003                                        window.activate_window();
4004
4005                                        if let Some(workspace) = workspace_handle.upgrade() {
4006                                            workspace.update(_cx, |workspace, cx| {
4007                                                workspace.focus_panel::<AgentPanel>(window, cx);
4008                                            });
4009                                        }
4010                                    })
4011                                    .log_err();
4012                            });
4013
4014                            this.dismiss_notifications(cx);
4015                        }
4016                        AgentNotificationEvent::Dismissed => {
4017                            this.dismiss_notifications(cx);
4018                        }
4019                    }
4020                }));
4021
4022            self.notifications.push(screen_window);
4023
4024            // If the user manually refocuses the original window, dismiss the popup.
4025            self.notification_subscriptions
4026                .entry(screen_window)
4027                .or_insert_with(Vec::new)
4028                .push({
4029                    let pop_up_weak = pop_up.downgrade();
4030
4031                    cx.observe_window_activation(window, move |_, window, cx| {
4032                        if window.is_window_active()
4033                            && let Some(pop_up) = pop_up_weak.upgrade()
4034                        {
4035                            pop_up.update(cx, |_, cx| {
4036                                cx.emit(AgentNotificationEvent::Dismissed);
4037                            });
4038                        }
4039                    })
4040                });
4041        }
4042    }
4043
4044    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4045        for window in self.notifications.drain(..) {
4046            window
4047                .update(cx, |_, window, _| {
4048                    window.remove_window();
4049                })
4050                .ok();
4051
4052            self.notification_subscriptions.remove(&window);
4053        }
4054    }
4055
4056    fn render_thread_controls(&self, cx: &Context<Self>) -> impl IntoElement {
4057        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4058            .shape(ui::IconButtonShape::Square)
4059            .icon_size(IconSize::Small)
4060            .icon_color(Color::Ignored)
4061            .tooltip(Tooltip::text("Open Thread as Markdown"))
4062            .on_click(cx.listener(move |this, _, window, cx| {
4063                if let Some(workspace) = this.workspace.upgrade() {
4064                    this.open_thread_as_markdown(workspace, window, cx)
4065                        .detach_and_log_err(cx);
4066                }
4067            }));
4068
4069        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4070            .shape(ui::IconButtonShape::Square)
4071            .icon_size(IconSize::Small)
4072            .icon_color(Color::Ignored)
4073            .tooltip(Tooltip::text("Scroll To Top"))
4074            .on_click(cx.listener(move |this, _, _, cx| {
4075                this.scroll_to_top(cx);
4076            }));
4077
4078        let mut container = h_flex()
4079            .id("thread-controls-container")
4080            .group("thread-controls-container")
4081            .w_full()
4082            .mr_1()
4083            .pb_2()
4084            .px(RESPONSE_PADDING_X)
4085            .opacity(0.4)
4086            .hover(|style| style.opacity(1.))
4087            .flex_wrap()
4088            .justify_end();
4089
4090        if AgentSettings::get_global(cx).enable_feedback
4091            && self
4092                .thread()
4093                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4094        {
4095            let feedback = self.thread_feedback.feedback;
4096            container = container.child(
4097                div().visible_on_hover("thread-controls-container").child(
4098                    Label::new(
4099                        match feedback {
4100                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4101                            Some(ThreadFeedback::Negative) => "We appreciate your feedback and will use it to improve.",
4102                            None => "Rating the thread sends all of your current conversation to the Zed team.",
4103                        }
4104                    )
4105                    .color(Color::Muted)
4106                    .size(LabelSize::XSmall)
4107                    .truncate(),
4108                ),
4109            ).child(
4110                h_flex()
4111                    .child(
4112                        IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4113                            .shape(ui::IconButtonShape::Square)
4114                            .icon_size(IconSize::Small)
4115                            .icon_color(match feedback {
4116                                Some(ThreadFeedback::Positive) => Color::Accent,
4117                                _ => Color::Ignored,
4118                            })
4119                            .tooltip(Tooltip::text("Helpful Response"))
4120                            .on_click(cx.listener(move |this, _, window, cx| {
4121                                this.handle_feedback_click(
4122                                    ThreadFeedback::Positive,
4123                                    window,
4124                                    cx,
4125                                );
4126                            })),
4127                    )
4128                    .child(
4129                        IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4130                            .shape(ui::IconButtonShape::Square)
4131                            .icon_size(IconSize::Small)
4132                            .icon_color(match feedback {
4133                                Some(ThreadFeedback::Negative) => Color::Accent,
4134                                _ => Color::Ignored,
4135                            })
4136                            .tooltip(Tooltip::text("Not Helpful"))
4137                            .on_click(cx.listener(move |this, _, window, cx| {
4138                                this.handle_feedback_click(
4139                                    ThreadFeedback::Negative,
4140                                    window,
4141                                    cx,
4142                                );
4143                            })),
4144                    )
4145            )
4146        }
4147
4148        container.child(open_as_markdown).child(scroll_to_top)
4149    }
4150
4151    fn render_feedback_feedback_editor(
4152        editor: Entity<Editor>,
4153        window: &mut Window,
4154        cx: &Context<Self>,
4155    ) -> Div {
4156        let focus_handle = editor.focus_handle(cx);
4157        v_flex()
4158            .key_context("AgentFeedbackMessageEditor")
4159            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4160                this.thread_feedback.dismiss_comments();
4161                cx.notify();
4162            }))
4163            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4164                this.submit_feedback_message(cx);
4165            }))
4166            .mb_2()
4167            .mx_4()
4168            .p_2()
4169            .rounded_md()
4170            .border_1()
4171            .border_color(cx.theme().colors().border)
4172            .bg(cx.theme().colors().editor_background)
4173            .child(editor)
4174            .child(
4175                h_flex()
4176                    .gap_1()
4177                    .justify_end()
4178                    .child(
4179                        Button::new("dismiss-feedback-message", "Cancel")
4180                            .label_size(LabelSize::Small)
4181                            .key_binding(
4182                                KeyBinding::for_action_in(&menu::Cancel, &focus_handle, window, cx)
4183                                    .map(|kb| kb.size(rems_from_px(10.))),
4184                            )
4185                            .on_click(cx.listener(move |this, _, _window, cx| {
4186                                this.thread_feedback.dismiss_comments();
4187                                cx.notify();
4188                            })),
4189                    )
4190                    .child(
4191                        Button::new("submit-feedback-message", "Share Feedback")
4192                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4193                            .label_size(LabelSize::Small)
4194                            .key_binding(
4195                                KeyBinding::for_action_in(
4196                                    &menu::Confirm,
4197                                    &focus_handle,
4198                                    window,
4199                                    cx,
4200                                )
4201                                .map(|kb| kb.size(rems_from_px(10.))),
4202                            )
4203                            .on_click(cx.listener(move |this, _, _window, cx| {
4204                                this.submit_feedback_message(cx);
4205                            })),
4206                    ),
4207            )
4208    }
4209
4210    fn handle_feedback_click(
4211        &mut self,
4212        feedback: ThreadFeedback,
4213        window: &mut Window,
4214        cx: &mut Context<Self>,
4215    ) {
4216        let Some(thread) = self.thread().cloned() else {
4217            return;
4218        };
4219
4220        self.thread_feedback.submit(thread, feedback, window, cx);
4221        cx.notify();
4222    }
4223
4224    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4225        let Some(thread) = self.thread().cloned() else {
4226            return;
4227        };
4228
4229        self.thread_feedback.submit_comments(thread, cx);
4230        cx.notify();
4231    }
4232
4233    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4234        div()
4235            .id("acp-thread-scrollbar")
4236            .occlude()
4237            .on_mouse_move(cx.listener(|_, _, _, cx| {
4238                cx.notify();
4239                cx.stop_propagation()
4240            }))
4241            .on_hover(|_, _, cx| {
4242                cx.stop_propagation();
4243            })
4244            .on_any_mouse_down(|_, _, cx| {
4245                cx.stop_propagation();
4246            })
4247            .on_mouse_up(
4248                MouseButton::Left,
4249                cx.listener(|_, _, _, cx| {
4250                    cx.stop_propagation();
4251                }),
4252            )
4253            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4254                cx.notify();
4255            }))
4256            .h_full()
4257            .absolute()
4258            .right_1()
4259            .top_1()
4260            .bottom_0()
4261            .w(px(12.))
4262            .cursor_default()
4263            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4264    }
4265
4266    fn render_token_limit_callout(
4267        &self,
4268        line_height: Pixels,
4269        cx: &mut Context<Self>,
4270    ) -> Option<Callout> {
4271        let token_usage = self.thread()?.read(cx).token_usage()?;
4272        let ratio = token_usage.ratio();
4273
4274        let (severity, title) = match ratio {
4275            acp_thread::TokenUsageRatio::Normal => return None,
4276            acp_thread::TokenUsageRatio::Warning => {
4277                (Severity::Warning, "Thread reaching the token limit soon")
4278            }
4279            acp_thread::TokenUsageRatio::Exceeded => {
4280                (Severity::Error, "Thread reached the token limit")
4281            }
4282        };
4283
4284        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4285            thread.read(cx).completion_mode() == CompletionMode::Normal
4286                && thread
4287                    .read(cx)
4288                    .model()
4289                    .is_some_and(|model| model.supports_burn_mode())
4290        });
4291
4292        let description = if burn_mode_available {
4293            "To continue, start a new thread from a summary or turn Burn Mode on."
4294        } else {
4295            "To continue, start a new thread from a summary."
4296        };
4297
4298        Some(
4299            Callout::new()
4300                .severity(severity)
4301                .line_height(line_height)
4302                .title(title)
4303                .description(description)
4304                .actions_slot(
4305                    h_flex()
4306                        .gap_0p5()
4307                        .child(
4308                            Button::new("start-new-thread", "Start New Thread")
4309                                .label_size(LabelSize::Small)
4310                                .on_click(cx.listener(|this, _, window, cx| {
4311                                    let Some(thread) = this.thread() else {
4312                                        return;
4313                                    };
4314                                    let session_id = thread.read(cx).session_id().clone();
4315                                    window.dispatch_action(
4316                                        crate::NewNativeAgentThreadFromSummary {
4317                                            from_session_id: session_id,
4318                                        }
4319                                        .boxed_clone(),
4320                                        cx,
4321                                    );
4322                                })),
4323                        )
4324                        .when(burn_mode_available, |this| {
4325                            this.child(
4326                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4327                                    .icon_size(IconSize::XSmall)
4328                                    .on_click(cx.listener(|this, _event, window, cx| {
4329                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4330                                    })),
4331                            )
4332                        }),
4333                ),
4334        )
4335    }
4336
4337    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4338        if !self.is_using_zed_ai_models(cx) {
4339            return None;
4340        }
4341
4342        let user_store = self.project.read(cx).user_store().read(cx);
4343        if user_store.is_usage_based_billing_enabled() {
4344            return None;
4345        }
4346
4347        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4348
4349        let usage = user_store.model_request_usage()?;
4350
4351        Some(
4352            div()
4353                .child(UsageCallout::new(plan, usage))
4354                .line_height(line_height),
4355        )
4356    }
4357
4358    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4359        self.entry_view_state.update(cx, |entry_view_state, cx| {
4360            entry_view_state.settings_changed(cx);
4361        });
4362    }
4363
4364    pub(crate) fn insert_dragged_files(
4365        &self,
4366        paths: Vec<project::ProjectPath>,
4367        added_worktrees: Vec<Entity<project::Worktree>>,
4368        window: &mut Window,
4369        cx: &mut Context<Self>,
4370    ) {
4371        self.message_editor.update(cx, |message_editor, cx| {
4372            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4373        })
4374    }
4375
4376    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4377        self.message_editor.update(cx, |message_editor, cx| {
4378            message_editor.insert_selections(window, cx);
4379        })
4380    }
4381
4382    fn render_thread_retry_status_callout(
4383        &self,
4384        _window: &mut Window,
4385        _cx: &mut Context<Self>,
4386    ) -> Option<Callout> {
4387        let state = self.thread_retry_status.as_ref()?;
4388
4389        let next_attempt_in = state
4390            .duration
4391            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4392        if next_attempt_in.is_zero() {
4393            return None;
4394        }
4395
4396        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4397
4398        let retry_message = if state.max_attempts == 1 {
4399            if next_attempt_in_secs == 1 {
4400                "Retrying. Next attempt in 1 second.".to_string()
4401            } else {
4402                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4403            }
4404        } else if next_attempt_in_secs == 1 {
4405            format!(
4406                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4407                state.attempt, state.max_attempts,
4408            )
4409        } else {
4410            format!(
4411                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4412                state.attempt, state.max_attempts,
4413            )
4414        };
4415
4416        Some(
4417            Callout::new()
4418                .severity(Severity::Warning)
4419                .title(state.last_error.clone())
4420                .description(retry_message),
4421        )
4422    }
4423
4424    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4425        let content = match self.thread_error.as_ref()? {
4426            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4427            ThreadError::AuthenticationRequired(error) => {
4428                self.render_authentication_required_error(error.clone(), cx)
4429            }
4430            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4431            ThreadError::ModelRequestLimitReached(plan) => {
4432                self.render_model_request_limit_reached_error(*plan, cx)
4433            }
4434            ThreadError::ToolUseLimitReached => {
4435                self.render_tool_use_limit_reached_error(window, cx)?
4436            }
4437        };
4438
4439        Some(div().child(content))
4440    }
4441
4442    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4443        Callout::new()
4444            .severity(Severity::Error)
4445            .title("Error")
4446            .description(error.clone())
4447            .actions_slot(self.create_copy_button(error.to_string()))
4448            .dismiss_action(self.dismiss_error_button(cx))
4449    }
4450
4451    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4452        const ERROR_MESSAGE: &str =
4453            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4454
4455        Callout::new()
4456            .severity(Severity::Error)
4457            .title("Free Usage Exceeded")
4458            .description(ERROR_MESSAGE)
4459            .actions_slot(
4460                h_flex()
4461                    .gap_0p5()
4462                    .child(self.upgrade_button(cx))
4463                    .child(self.create_copy_button(ERROR_MESSAGE)),
4464            )
4465            .dismiss_action(self.dismiss_error_button(cx))
4466    }
4467
4468    fn render_authentication_required_error(
4469        &self,
4470        error: SharedString,
4471        cx: &mut Context<Self>,
4472    ) -> Callout {
4473        Callout::new()
4474            .severity(Severity::Error)
4475            .title("Authentication Required")
4476            .description(error.clone())
4477            .actions_slot(
4478                h_flex()
4479                    .gap_0p5()
4480                    .child(self.authenticate_button(cx))
4481                    .child(self.create_copy_button(error)),
4482            )
4483            .dismiss_action(self.dismiss_error_button(cx))
4484    }
4485
4486    fn render_model_request_limit_reached_error(
4487        &self,
4488        plan: cloud_llm_client::Plan,
4489        cx: &mut Context<Self>,
4490    ) -> Callout {
4491        let error_message = match plan {
4492            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4493            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4494                "Upgrade to Zed Pro for more prompts."
4495            }
4496        };
4497
4498        Callout::new()
4499            .severity(Severity::Error)
4500            .title("Model Prompt Limit Reached")
4501            .description(error_message)
4502            .actions_slot(
4503                h_flex()
4504                    .gap_0p5()
4505                    .child(self.upgrade_button(cx))
4506                    .child(self.create_copy_button(error_message)),
4507            )
4508            .dismiss_action(self.dismiss_error_button(cx))
4509    }
4510
4511    fn render_tool_use_limit_reached_error(
4512        &self,
4513        window: &mut Window,
4514        cx: &mut Context<Self>,
4515    ) -> Option<Callout> {
4516        let thread = self.as_native_thread(cx)?;
4517        let supports_burn_mode = thread
4518            .read(cx)
4519            .model()
4520            .is_some_and(|model| model.supports_burn_mode());
4521
4522        let focus_handle = self.focus_handle(cx);
4523
4524        Some(
4525            Callout::new()
4526                .icon(IconName::Info)
4527                .title("Consecutive tool use limit reached.")
4528                .actions_slot(
4529                    h_flex()
4530                        .gap_0p5()
4531                        .when(supports_burn_mode, |this| {
4532                            this.child(
4533                                Button::new("continue-burn-mode", "Continue with Burn Mode")
4534                                    .style(ButtonStyle::Filled)
4535                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4536                                    .layer(ElevationIndex::ModalSurface)
4537                                    .label_size(LabelSize::Small)
4538                                    .key_binding(
4539                                        KeyBinding::for_action_in(
4540                                            &ContinueWithBurnMode,
4541                                            &focus_handle,
4542                                            window,
4543                                            cx,
4544                                        )
4545                                        .map(|kb| kb.size(rems_from_px(10.))),
4546                                    )
4547                                    .tooltip(Tooltip::text(
4548                                        "Enable Burn Mode for unlimited tool use.",
4549                                    ))
4550                                    .on_click({
4551                                        cx.listener(move |this, _, _window, cx| {
4552                                            thread.update(cx, |thread, cx| {
4553                                                thread
4554                                                    .set_completion_mode(CompletionMode::Burn, cx);
4555                                            });
4556                                            this.resume_chat(cx);
4557                                        })
4558                                    }),
4559                            )
4560                        })
4561                        .child(
4562                            Button::new("continue-conversation", "Continue")
4563                                .layer(ElevationIndex::ModalSurface)
4564                                .label_size(LabelSize::Small)
4565                                .key_binding(
4566                                    KeyBinding::for_action_in(
4567                                        &ContinueThread,
4568                                        &focus_handle,
4569                                        window,
4570                                        cx,
4571                                    )
4572                                    .map(|kb| kb.size(rems_from_px(10.))),
4573                                )
4574                                .on_click(cx.listener(|this, _, _window, cx| {
4575                                    this.resume_chat(cx);
4576                                })),
4577                        ),
4578                ),
4579        )
4580    }
4581
4582    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
4583        let message = message.into();
4584
4585        IconButton::new("copy", IconName::Copy)
4586            .icon_size(IconSize::Small)
4587            .icon_color(Color::Muted)
4588            .tooltip(Tooltip::text("Copy Error Message"))
4589            .on_click(move |_, _, cx| {
4590                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
4591            })
4592    }
4593
4594    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4595        IconButton::new("dismiss", IconName::Close)
4596            .icon_size(IconSize::Small)
4597            .icon_color(Color::Muted)
4598            .tooltip(Tooltip::text("Dismiss Error"))
4599            .on_click(cx.listener({
4600                move |this, _, _, cx| {
4601                    this.clear_thread_error(cx);
4602                    cx.notify();
4603                }
4604            }))
4605    }
4606
4607    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4608        Button::new("authenticate", "Authenticate")
4609            .label_size(LabelSize::Small)
4610            .style(ButtonStyle::Filled)
4611            .on_click(cx.listener({
4612                move |this, _, window, cx| {
4613                    let agent = this.agent.clone();
4614                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
4615                        return;
4616                    };
4617
4618                    let connection = thread.read(cx).connection().clone();
4619                    let err = AuthRequired {
4620                        description: None,
4621                        provider_id: None,
4622                    };
4623                    this.clear_thread_error(cx);
4624                    let this = cx.weak_entity();
4625                    window.defer(cx, |window, cx| {
4626                        Self::handle_auth_required(this, err, agent, connection, window, cx);
4627                    })
4628                }
4629            }))
4630    }
4631
4632    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4633        Button::new("upgrade", "Upgrade")
4634            .label_size(LabelSize::Small)
4635            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4636            .on_click(cx.listener({
4637                move |this, _, _, cx| {
4638                    this.clear_thread_error(cx);
4639                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
4640                }
4641            }))
4642    }
4643
4644    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4645        self.thread_state = Self::initial_state(
4646            self.agent.clone(),
4647            None,
4648            self.workspace.clone(),
4649            self.project.clone(),
4650            window,
4651            cx,
4652        );
4653        cx.notify();
4654    }
4655
4656    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
4657        let task = match entry {
4658            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
4659                history.delete_thread(thread.id.clone(), cx)
4660            }),
4661            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
4662                history.delete_text_thread(context.path.clone(), cx)
4663            }),
4664        };
4665        task.detach_and_log_err(cx);
4666    }
4667}
4668
4669impl Focusable for AcpThreadView {
4670    fn focus_handle(&self, cx: &App) -> FocusHandle {
4671        self.message_editor.focus_handle(cx)
4672    }
4673}
4674
4675impl Render for AcpThreadView {
4676    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4677        let has_messages = self.list_state.item_count() > 0;
4678        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
4679
4680        v_flex()
4681            .size_full()
4682            .key_context("AcpThread")
4683            .on_action(cx.listener(Self::open_agent_diff))
4684            .on_action(cx.listener(Self::toggle_burn_mode))
4685            .on_action(cx.listener(Self::keep_all))
4686            .on_action(cx.listener(Self::reject_all))
4687            .bg(cx.theme().colors().panel_background)
4688            .child(match &self.thread_state {
4689                ThreadState::Unauthenticated {
4690                    connection,
4691                    description,
4692                    configuration_view,
4693                    pending_auth_method,
4694                    ..
4695                } => self.render_auth_required_state(
4696                    connection,
4697                    description.as_ref(),
4698                    configuration_view.as_ref(),
4699                    pending_auth_method.as_ref(),
4700                    window,
4701                    cx,
4702                ),
4703                ThreadState::Loading { .. } => {
4704                    v_flex().flex_1().child(self.render_empty_state(window, cx))
4705                }
4706                ThreadState::LoadError(e) => v_flex()
4707                    .p_2()
4708                    .flex_1()
4709                    .items_center()
4710                    .justify_center()
4711                    .child(self.render_load_error(e, cx)),
4712                ThreadState::Ready { thread, .. } => {
4713                    let thread_clone = thread.clone();
4714
4715                    v_flex().flex_1().map(|this| {
4716                        if has_messages {
4717                            this.child(
4718                                list(
4719                                    self.list_state.clone(),
4720                                    cx.processor(|this, index: usize, window, cx| {
4721                                        let Some((entry, len)) = this.thread().and_then(|thread| {
4722                                            let entries = &thread.read(cx).entries();
4723                                            Some((entries.get(index)?, entries.len()))
4724                                        }) else {
4725                                            return Empty.into_any();
4726                                        };
4727                                        this.render_entry(index, len, entry, window, cx)
4728                                    }),
4729                                )
4730                                .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
4731                                .flex_grow()
4732                                .into_any(),
4733                            )
4734                            .child(self.render_vertical_scrollbar(cx))
4735                            .children(
4736                                match thread_clone.read(cx).status() {
4737                                    ThreadStatus::Idle
4738                                    | ThreadStatus::WaitingForToolConfirmation => None,
4739                                    ThreadStatus::Generating => div()
4740                                        .py_2()
4741                                        .px(rems_from_px(22.))
4742                                        .child(SpinnerLabel::new().size(LabelSize::Small))
4743                                        .into(),
4744                                },
4745                            )
4746                        } else {
4747                            this.child(self.render_empty_state(window, cx))
4748                        }
4749                    })
4750                }
4751            })
4752            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
4753            // above so that the scrollbar doesn't render behind it. The current setup allows
4754            // the scrollbar to stop exactly at the activity bar start.
4755            .when(has_messages, |this| match &self.thread_state {
4756                ThreadState::Ready { thread, .. } => {
4757                    this.children(self.render_activity_bar(thread, window, cx))
4758                }
4759                _ => this,
4760            })
4761            .children(self.render_thread_retry_status_callout(window, cx))
4762            .children(self.render_thread_error(window, cx))
4763            .children(
4764                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
4765                    Some(usage_callout.into_any_element())
4766                } else {
4767                    self.render_token_limit_callout(line_height, cx)
4768                        .map(|token_limit_callout| token_limit_callout.into_any_element())
4769                },
4770            )
4771            .child(self.render_message_editor(window, cx))
4772    }
4773}
4774
4775fn default_markdown_style(
4776    buffer_font: bool,
4777    muted_text: bool,
4778    window: &Window,
4779    cx: &App,
4780) -> MarkdownStyle {
4781    let theme_settings = ThemeSettings::get_global(cx);
4782    let colors = cx.theme().colors();
4783
4784    let buffer_font_size = TextSize::Small.rems(cx);
4785
4786    let mut text_style = window.text_style();
4787    let line_height = buffer_font_size * 1.75;
4788
4789    let font_family = if buffer_font {
4790        theme_settings.buffer_font.family.clone()
4791    } else {
4792        theme_settings.ui_font.family.clone()
4793    };
4794
4795    let font_size = if buffer_font {
4796        TextSize::Small.rems(cx)
4797    } else {
4798        TextSize::Default.rems(cx)
4799    };
4800
4801    let text_color = if muted_text {
4802        colors.text_muted
4803    } else {
4804        colors.text
4805    };
4806
4807    text_style.refine(&TextStyleRefinement {
4808        font_family: Some(font_family),
4809        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
4810        font_features: Some(theme_settings.ui_font.features.clone()),
4811        font_size: Some(font_size.into()),
4812        line_height: Some(line_height.into()),
4813        color: Some(text_color),
4814        ..Default::default()
4815    });
4816
4817    MarkdownStyle {
4818        base_text_style: text_style.clone(),
4819        syntax: cx.theme().syntax().clone(),
4820        selection_background_color: colors.element_selection_background,
4821        code_block_overflow_x_scroll: true,
4822        table_overflow_x_scroll: true,
4823        heading_level_styles: Some(HeadingLevelStyles {
4824            h1: Some(TextStyleRefinement {
4825                font_size: Some(rems(1.15).into()),
4826                ..Default::default()
4827            }),
4828            h2: Some(TextStyleRefinement {
4829                font_size: Some(rems(1.1).into()),
4830                ..Default::default()
4831            }),
4832            h3: Some(TextStyleRefinement {
4833                font_size: Some(rems(1.05).into()),
4834                ..Default::default()
4835            }),
4836            h4: Some(TextStyleRefinement {
4837                font_size: Some(rems(1.).into()),
4838                ..Default::default()
4839            }),
4840            h5: Some(TextStyleRefinement {
4841                font_size: Some(rems(0.95).into()),
4842                ..Default::default()
4843            }),
4844            h6: Some(TextStyleRefinement {
4845                font_size: Some(rems(0.875).into()),
4846                ..Default::default()
4847            }),
4848        }),
4849        code_block: StyleRefinement {
4850            padding: EdgesRefinement {
4851                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4852                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4853                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4854                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4855            },
4856            margin: EdgesRefinement {
4857                top: Some(Length::Definite(Pixels(8.).into())),
4858                left: Some(Length::Definite(Pixels(0.).into())),
4859                right: Some(Length::Definite(Pixels(0.).into())),
4860                bottom: Some(Length::Definite(Pixels(12.).into())),
4861            },
4862            border_style: Some(BorderStyle::Solid),
4863            border_widths: EdgesRefinement {
4864                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
4865                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
4866                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
4867                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
4868            },
4869            border_color: Some(colors.border_variant),
4870            background: Some(colors.editor_background.into()),
4871            text: Some(TextStyleRefinement {
4872                font_family: Some(theme_settings.buffer_font.family.clone()),
4873                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4874                font_features: Some(theme_settings.buffer_font.features.clone()),
4875                font_size: Some(buffer_font_size.into()),
4876                ..Default::default()
4877            }),
4878            ..Default::default()
4879        },
4880        inline_code: TextStyleRefinement {
4881            font_family: Some(theme_settings.buffer_font.family.clone()),
4882            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4883            font_features: Some(theme_settings.buffer_font.features.clone()),
4884            font_size: Some(buffer_font_size.into()),
4885            background_color: Some(colors.editor_foreground.opacity(0.08)),
4886            ..Default::default()
4887        },
4888        link: TextStyleRefinement {
4889            background_color: Some(colors.editor_foreground.opacity(0.025)),
4890            underline: Some(UnderlineStyle {
4891                color: Some(colors.text_accent.opacity(0.5)),
4892                thickness: px(1.),
4893                ..Default::default()
4894            }),
4895            ..Default::default()
4896        },
4897        ..Default::default()
4898    }
4899}
4900
4901fn plan_label_markdown_style(
4902    status: &acp::PlanEntryStatus,
4903    window: &Window,
4904    cx: &App,
4905) -> MarkdownStyle {
4906    let default_md_style = default_markdown_style(false, false, window, cx);
4907
4908    MarkdownStyle {
4909        base_text_style: TextStyle {
4910            color: cx.theme().colors().text_muted,
4911            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
4912                Some(gpui::StrikethroughStyle {
4913                    thickness: px(1.),
4914                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
4915                })
4916            } else {
4917                None
4918            },
4919            ..default_md_style.base_text_style
4920        },
4921        ..default_md_style
4922    }
4923}
4924
4925fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
4926    let default_md_style = default_markdown_style(true, false, window, cx);
4927
4928    MarkdownStyle {
4929        base_text_style: TextStyle {
4930            ..default_md_style.base_text_style
4931        },
4932        selection_background_color: cx.theme().colors().element_selection_background,
4933        ..Default::default()
4934    }
4935}
4936
4937#[cfg(test)]
4938pub(crate) mod tests {
4939    use acp_thread::StubAgentConnection;
4940    use agent_client_protocol::SessionId;
4941    use assistant_context::ContextStore;
4942    use editor::EditorSettings;
4943    use fs::FakeFs;
4944    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
4945    use project::Project;
4946    use serde_json::json;
4947    use settings::SettingsStore;
4948    use std::any::Any;
4949    use std::path::Path;
4950    use workspace::Item;
4951
4952    use super::*;
4953
4954    #[gpui::test]
4955    async fn test_drop(cx: &mut TestAppContext) {
4956        init_test(cx);
4957
4958        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4959        let weak_view = thread_view.downgrade();
4960        drop(thread_view);
4961        assert!(!weak_view.is_upgradable());
4962    }
4963
4964    #[gpui::test]
4965    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
4966        init_test(cx);
4967
4968        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4969
4970        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4971        message_editor.update_in(cx, |editor, window, cx| {
4972            editor.set_text("Hello", window, cx);
4973        });
4974
4975        cx.deactivate_window();
4976
4977        thread_view.update_in(cx, |thread_view, window, cx| {
4978            thread_view.send(window, cx);
4979        });
4980
4981        cx.run_until_parked();
4982
4983        assert!(
4984            cx.windows()
4985                .iter()
4986                .any(|window| window.downcast::<AgentNotification>().is_some())
4987        );
4988    }
4989
4990    #[gpui::test]
4991    async fn test_notification_for_error(cx: &mut TestAppContext) {
4992        init_test(cx);
4993
4994        let (thread_view, cx) =
4995            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
4996
4997        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4998        message_editor.update_in(cx, |editor, window, cx| {
4999            editor.set_text("Hello", window, cx);
5000        });
5001
5002        cx.deactivate_window();
5003
5004        thread_view.update_in(cx, |thread_view, window, cx| {
5005            thread_view.send(window, cx);
5006        });
5007
5008        cx.run_until_parked();
5009
5010        assert!(
5011            cx.windows()
5012                .iter()
5013                .any(|window| window.downcast::<AgentNotification>().is_some())
5014        );
5015    }
5016
5017    #[gpui::test]
5018    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5019        init_test(cx);
5020
5021        let tool_call_id = acp::ToolCallId("1".into());
5022        let tool_call = acp::ToolCall {
5023            id: tool_call_id.clone(),
5024            title: "Label".into(),
5025            kind: acp::ToolKind::Edit,
5026            status: acp::ToolCallStatus::Pending,
5027            content: vec!["hi".into()],
5028            locations: vec![],
5029            raw_input: None,
5030            raw_output: None,
5031        };
5032        let connection =
5033            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5034                tool_call_id,
5035                vec![acp::PermissionOption {
5036                    id: acp::PermissionOptionId("1".into()),
5037                    name: "Allow".into(),
5038                    kind: acp::PermissionOptionKind::AllowOnce,
5039                }],
5040            )]));
5041
5042        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5043
5044        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5045
5046        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5047        message_editor.update_in(cx, |editor, window, cx| {
5048            editor.set_text("Hello", window, cx);
5049        });
5050
5051        cx.deactivate_window();
5052
5053        thread_view.update_in(cx, |thread_view, window, cx| {
5054            thread_view.send(window, cx);
5055        });
5056
5057        cx.run_until_parked();
5058
5059        assert!(
5060            cx.windows()
5061                .iter()
5062                .any(|window| window.downcast::<AgentNotification>().is_some())
5063        );
5064    }
5065
5066    async fn setup_thread_view(
5067        agent: impl AgentServer + 'static,
5068        cx: &mut TestAppContext,
5069    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5070        let fs = FakeFs::new(cx.executor());
5071        let project = Project::test(fs, [], cx).await;
5072        let (workspace, cx) =
5073            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5074
5075        let context_store =
5076            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5077        let history_store =
5078            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5079
5080        let thread_view = cx.update(|window, cx| {
5081            cx.new(|cx| {
5082                AcpThreadView::new(
5083                    Rc::new(agent),
5084                    None,
5085                    None,
5086                    workspace.downgrade(),
5087                    project,
5088                    history_store,
5089                    None,
5090                    window,
5091                    cx,
5092                )
5093            })
5094        });
5095        cx.run_until_parked();
5096        (thread_view, cx)
5097    }
5098
5099    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5100        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5101
5102        workspace
5103            .update_in(cx, |workspace, window, cx| {
5104                workspace.add_item_to_active_pane(
5105                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5106                    None,
5107                    true,
5108                    window,
5109                    cx,
5110                );
5111            })
5112            .unwrap();
5113    }
5114
5115    struct ThreadViewItem(Entity<AcpThreadView>);
5116
5117    impl Item for ThreadViewItem {
5118        type Event = ();
5119
5120        fn include_in_nav_history() -> bool {
5121            false
5122        }
5123
5124        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5125            "Test".into()
5126        }
5127    }
5128
5129    impl EventEmitter<()> for ThreadViewItem {}
5130
5131    impl Focusable for ThreadViewItem {
5132        fn focus_handle(&self, cx: &App) -> FocusHandle {
5133            self.0.read(cx).focus_handle(cx)
5134        }
5135    }
5136
5137    impl Render for ThreadViewItem {
5138        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5139            self.0.clone().into_any_element()
5140        }
5141    }
5142
5143    struct StubAgentServer<C> {
5144        connection: C,
5145    }
5146
5147    impl<C> StubAgentServer<C> {
5148        fn new(connection: C) -> Self {
5149            Self { connection }
5150        }
5151    }
5152
5153    impl StubAgentServer<StubAgentConnection> {
5154        fn default_response() -> Self {
5155            let conn = StubAgentConnection::new();
5156            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5157                content: "Default response".into(),
5158            }]);
5159            Self::new(conn)
5160        }
5161    }
5162
5163    impl<C> AgentServer for StubAgentServer<C>
5164    where
5165        C: 'static + AgentConnection + Send + Clone,
5166    {
5167        fn logo(&self) -> ui::IconName {
5168            ui::IconName::Ai
5169        }
5170
5171        fn name(&self) -> &'static str {
5172            "Test"
5173        }
5174
5175        fn empty_state_headline(&self) -> &'static str {
5176            "Test"
5177        }
5178
5179        fn empty_state_message(&self) -> &'static str {
5180            "Test"
5181        }
5182
5183        fn connect(
5184            &self,
5185            _root_dir: &Path,
5186            _project: &Entity<Project>,
5187            _cx: &mut App,
5188        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
5189            Task::ready(Ok(Rc::new(self.connection.clone())))
5190        }
5191
5192        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5193            self
5194        }
5195    }
5196
5197    #[derive(Clone)]
5198    struct SaboteurAgentConnection;
5199
5200    impl AgentConnection for SaboteurAgentConnection {
5201        fn new_thread(
5202            self: Rc<Self>,
5203            project: Entity<Project>,
5204            _cwd: &Path,
5205            cx: &mut gpui::App,
5206        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5207            Task::ready(Ok(cx.new(|cx| {
5208                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5209                AcpThread::new(
5210                    "SaboteurAgentConnection",
5211                    self,
5212                    project,
5213                    action_log,
5214                    SessionId("test".into()),
5215                )
5216            })))
5217        }
5218
5219        fn auth_methods(&self) -> &[acp::AuthMethod] {
5220            &[]
5221        }
5222
5223        fn prompt_capabilities(&self) -> acp::PromptCapabilities {
5224            acp::PromptCapabilities {
5225                image: true,
5226                audio: true,
5227                embedded_context: true,
5228            }
5229        }
5230
5231        fn authenticate(
5232            &self,
5233            _method_id: acp::AuthMethodId,
5234            _cx: &mut App,
5235        ) -> Task<gpui::Result<()>> {
5236            unimplemented!()
5237        }
5238
5239        fn prompt(
5240            &self,
5241            _id: Option<acp_thread::UserMessageId>,
5242            _params: acp::PromptRequest,
5243            _cx: &mut App,
5244        ) -> Task<gpui::Result<acp::PromptResponse>> {
5245            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5246        }
5247
5248        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5249            unimplemented!()
5250        }
5251
5252        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5253            self
5254        }
5255    }
5256
5257    pub(crate) fn init_test(cx: &mut TestAppContext) {
5258        cx.update(|cx| {
5259            let settings_store = SettingsStore::test(cx);
5260            cx.set_global(settings_store);
5261            language::init(cx);
5262            Project::init_settings(cx);
5263            AgentSettings::register(cx);
5264            workspace::init_settings(cx);
5265            ThemeSettings::register(cx);
5266            release_channel::init(SemanticVersion::default(), cx);
5267            EditorSettings::register(cx);
5268            prompt_store::init(cx)
5269        });
5270    }
5271
5272    #[gpui::test]
5273    async fn test_rewind_views(cx: &mut TestAppContext) {
5274        init_test(cx);
5275
5276        let fs = FakeFs::new(cx.executor());
5277        fs.insert_tree(
5278            "/project",
5279            json!({
5280                "test1.txt": "old content 1",
5281                "test2.txt": "old content 2"
5282            }),
5283        )
5284        .await;
5285        let project = Project::test(fs, [Path::new("/project")], cx).await;
5286        let (workspace, cx) =
5287            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5288
5289        let context_store =
5290            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5291        let history_store =
5292            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5293
5294        let connection = Rc::new(StubAgentConnection::new());
5295        let thread_view = cx.update(|window, cx| {
5296            cx.new(|cx| {
5297                AcpThreadView::new(
5298                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5299                    None,
5300                    None,
5301                    workspace.downgrade(),
5302                    project.clone(),
5303                    history_store.clone(),
5304                    None,
5305                    window,
5306                    cx,
5307                )
5308            })
5309        });
5310
5311        cx.run_until_parked();
5312
5313        let thread = thread_view
5314            .read_with(cx, |view, _| view.thread().cloned())
5315            .unwrap();
5316
5317        // First user message
5318        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5319            id: acp::ToolCallId("tool1".into()),
5320            title: "Edit file 1".into(),
5321            kind: acp::ToolKind::Edit,
5322            status: acp::ToolCallStatus::Completed,
5323            content: vec![acp::ToolCallContent::Diff {
5324                diff: acp::Diff {
5325                    path: "/project/test1.txt".into(),
5326                    old_text: Some("old content 1".into()),
5327                    new_text: "new content 1".into(),
5328                },
5329            }],
5330            locations: vec![],
5331            raw_input: None,
5332            raw_output: None,
5333        })]);
5334
5335        thread
5336            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
5337            .await
5338            .unwrap();
5339        cx.run_until_parked();
5340
5341        thread.read_with(cx, |thread, _| {
5342            assert_eq!(thread.entries().len(), 2);
5343        });
5344
5345        thread_view.read_with(cx, |view, cx| {
5346            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5347                assert!(
5348                    entry_view_state
5349                        .entry(0)
5350                        .unwrap()
5351                        .message_editor()
5352                        .is_some()
5353                );
5354                assert!(entry_view_state.entry(1).unwrap().has_content());
5355            });
5356        });
5357
5358        // Second user message
5359        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5360            id: acp::ToolCallId("tool2".into()),
5361            title: "Edit file 2".into(),
5362            kind: acp::ToolKind::Edit,
5363            status: acp::ToolCallStatus::Completed,
5364            content: vec![acp::ToolCallContent::Diff {
5365                diff: acp::Diff {
5366                    path: "/project/test2.txt".into(),
5367                    old_text: Some("old content 2".into()),
5368                    new_text: "new content 2".into(),
5369                },
5370            }],
5371            locations: vec![],
5372            raw_input: None,
5373            raw_output: None,
5374        })]);
5375
5376        thread
5377            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5378            .await
5379            .unwrap();
5380        cx.run_until_parked();
5381
5382        let second_user_message_id = thread.read_with(cx, |thread, _| {
5383            assert_eq!(thread.entries().len(), 4);
5384            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5385                panic!();
5386            };
5387            user_message.id.clone().unwrap()
5388        });
5389
5390        thread_view.read_with(cx, |view, cx| {
5391            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5392                assert!(
5393                    entry_view_state
5394                        .entry(0)
5395                        .unwrap()
5396                        .message_editor()
5397                        .is_some()
5398                );
5399                assert!(entry_view_state.entry(1).unwrap().has_content());
5400                assert!(
5401                    entry_view_state
5402                        .entry(2)
5403                        .unwrap()
5404                        .message_editor()
5405                        .is_some()
5406                );
5407                assert!(entry_view_state.entry(3).unwrap().has_content());
5408            });
5409        });
5410
5411        // Rewind to first message
5412        thread
5413            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
5414            .await
5415            .unwrap();
5416
5417        cx.run_until_parked();
5418
5419        thread.read_with(cx, |thread, _| {
5420            assert_eq!(thread.entries().len(), 2);
5421        });
5422
5423        thread_view.read_with(cx, |view, cx| {
5424            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5425                assert!(
5426                    entry_view_state
5427                        .entry(0)
5428                        .unwrap()
5429                        .message_editor()
5430                        .is_some()
5431                );
5432                assert!(entry_view_state.entry(1).unwrap().has_content());
5433
5434                // Old views should be dropped
5435                assert!(entry_view_state.entry(2).is_none());
5436                assert!(entry_view_state.entry(3).is_none());
5437            });
5438        });
5439    }
5440
5441    #[gpui::test]
5442    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
5443        init_test(cx);
5444
5445        let connection = StubAgentConnection::new();
5446
5447        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5448            content: acp::ContentBlock::Text(acp::TextContent {
5449                text: "Response".into(),
5450                annotations: None,
5451            }),
5452        }]);
5453
5454        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5455        add_to_workspace(thread_view.clone(), cx);
5456
5457        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5458        message_editor.update_in(cx, |editor, window, cx| {
5459            editor.set_text("Original message to edit", window, cx);
5460        });
5461        thread_view.update_in(cx, |thread_view, window, cx| {
5462            thread_view.send(window, cx);
5463        });
5464
5465        cx.run_until_parked();
5466
5467        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5468            assert_eq!(view.editing_message, None);
5469
5470            view.entry_view_state
5471                .read(cx)
5472                .entry(0)
5473                .unwrap()
5474                .message_editor()
5475                .unwrap()
5476                .clone()
5477        });
5478
5479        // Focus
5480        cx.focus(&user_message_editor);
5481        thread_view.read_with(cx, |view, _cx| {
5482            assert_eq!(view.editing_message, Some(0));
5483        });
5484
5485        // Edit
5486        user_message_editor.update_in(cx, |editor, window, cx| {
5487            editor.set_text("Edited message content", window, cx);
5488        });
5489
5490        // Cancel
5491        user_message_editor.update_in(cx, |_editor, window, cx| {
5492            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
5493        });
5494
5495        thread_view.read_with(cx, |view, _cx| {
5496            assert_eq!(view.editing_message, None);
5497        });
5498
5499        user_message_editor.read_with(cx, |editor, cx| {
5500            assert_eq!(editor.text(cx), "Original message to edit");
5501        });
5502    }
5503
5504    #[gpui::test]
5505    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
5506        init_test(cx);
5507
5508        let connection = StubAgentConnection::new();
5509
5510        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5511        add_to_workspace(thread_view.clone(), cx);
5512
5513        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5514        let mut events = cx.events(&message_editor);
5515        message_editor.update_in(cx, |editor, window, cx| {
5516            editor.set_text("", window, cx);
5517        });
5518
5519        message_editor.update_in(cx, |_editor, window, cx| {
5520            window.dispatch_action(Box::new(Chat), cx);
5521        });
5522        cx.run_until_parked();
5523        // We shouldn't have received any messages
5524        assert!(matches!(
5525            events.try_next(),
5526            Err(futures::channel::mpsc::TryRecvError { .. })
5527        ));
5528    }
5529
5530    #[gpui::test]
5531    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
5532        init_test(cx);
5533
5534        let connection = StubAgentConnection::new();
5535
5536        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5537            content: acp::ContentBlock::Text(acp::TextContent {
5538                text: "Response".into(),
5539                annotations: None,
5540            }),
5541        }]);
5542
5543        let (thread_view, cx) =
5544            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5545        add_to_workspace(thread_view.clone(), cx);
5546
5547        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5548        message_editor.update_in(cx, |editor, window, cx| {
5549            editor.set_text("Original message to edit", window, cx);
5550        });
5551        thread_view.update_in(cx, |thread_view, window, cx| {
5552            thread_view.send(window, cx);
5553        });
5554
5555        cx.run_until_parked();
5556
5557        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5558            assert_eq!(view.editing_message, None);
5559            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
5560
5561            view.entry_view_state
5562                .read(cx)
5563                .entry(0)
5564                .unwrap()
5565                .message_editor()
5566                .unwrap()
5567                .clone()
5568        });
5569
5570        // Focus
5571        cx.focus(&user_message_editor);
5572
5573        // Edit
5574        user_message_editor.update_in(cx, |editor, window, cx| {
5575            editor.set_text("Edited message content", window, cx);
5576        });
5577
5578        // Send
5579        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5580            content: acp::ContentBlock::Text(acp::TextContent {
5581                text: "New Response".into(),
5582                annotations: None,
5583            }),
5584        }]);
5585
5586        user_message_editor.update_in(cx, |_editor, window, cx| {
5587            window.dispatch_action(Box::new(Chat), cx);
5588        });
5589
5590        cx.run_until_parked();
5591
5592        thread_view.read_with(cx, |view, cx| {
5593            assert_eq!(view.editing_message, None);
5594
5595            let entries = view.thread().unwrap().read(cx).entries();
5596            assert_eq!(entries.len(), 2);
5597            assert_eq!(
5598                entries[0].to_markdown(cx),
5599                "## User\n\nEdited message content\n\n"
5600            );
5601            assert_eq!(
5602                entries[1].to_markdown(cx),
5603                "## Assistant\n\nNew Response\n\n"
5604            );
5605
5606            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
5607                assert!(!state.entry(1).unwrap().has_content());
5608                state.entry(0).unwrap().message_editor().unwrap().clone()
5609            });
5610
5611            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
5612        })
5613    }
5614
5615    #[gpui::test]
5616    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
5617        init_test(cx);
5618
5619        let connection = StubAgentConnection::new();
5620
5621        let (thread_view, cx) =
5622            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5623        add_to_workspace(thread_view.clone(), cx);
5624
5625        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5626        message_editor.update_in(cx, |editor, window, cx| {
5627            editor.set_text("Original message to edit", window, cx);
5628        });
5629        thread_view.update_in(cx, |thread_view, window, cx| {
5630            thread_view.send(window, cx);
5631        });
5632
5633        cx.run_until_parked();
5634
5635        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
5636            let thread = view.thread().unwrap().read(cx);
5637            assert_eq!(thread.entries().len(), 1);
5638
5639            let editor = view
5640                .entry_view_state
5641                .read(cx)
5642                .entry(0)
5643                .unwrap()
5644                .message_editor()
5645                .unwrap()
5646                .clone();
5647
5648            (editor, thread.session_id().clone())
5649        });
5650
5651        // Focus
5652        cx.focus(&user_message_editor);
5653
5654        thread_view.read_with(cx, |view, _cx| {
5655            assert_eq!(view.editing_message, Some(0));
5656        });
5657
5658        // Edit
5659        user_message_editor.update_in(cx, |editor, window, cx| {
5660            editor.set_text("Edited message content", window, cx);
5661        });
5662
5663        thread_view.read_with(cx, |view, _cx| {
5664            assert_eq!(view.editing_message, Some(0));
5665        });
5666
5667        // Finish streaming response
5668        cx.update(|_, cx| {
5669            connection.send_update(
5670                session_id.clone(),
5671                acp::SessionUpdate::AgentMessageChunk {
5672                    content: acp::ContentBlock::Text(acp::TextContent {
5673                        text: "Response".into(),
5674                        annotations: None,
5675                    }),
5676                },
5677                cx,
5678            );
5679            connection.end_turn(session_id, acp::StopReason::EndTurn);
5680        });
5681
5682        thread_view.read_with(cx, |view, _cx| {
5683            assert_eq!(view.editing_message, Some(0));
5684        });
5685
5686        cx.run_until_parked();
5687
5688        // Should still be editing
5689        cx.update(|window, cx| {
5690            assert!(user_message_editor.focus_handle(cx).is_focused(window));
5691            assert_eq!(thread_view.read(cx).editing_message, Some(0));
5692            assert_eq!(
5693                user_message_editor.read(cx).text(cx),
5694                "Edited message content"
5695            );
5696        });
5697    }
5698
5699    #[gpui::test]
5700    async fn test_interrupt(cx: &mut TestAppContext) {
5701        init_test(cx);
5702
5703        let connection = StubAgentConnection::new();
5704
5705        let (thread_view, cx) =
5706            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5707        add_to_workspace(thread_view.clone(), cx);
5708
5709        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5710        message_editor.update_in(cx, |editor, window, cx| {
5711            editor.set_text("Message 1", window, cx);
5712        });
5713        thread_view.update_in(cx, |thread_view, window, cx| {
5714            thread_view.send(window, cx);
5715        });
5716
5717        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
5718            let thread = view.thread().unwrap();
5719
5720            (thread.clone(), thread.read(cx).session_id().clone())
5721        });
5722
5723        cx.run_until_parked();
5724
5725        cx.update(|_, cx| {
5726            connection.send_update(
5727                session_id.clone(),
5728                acp::SessionUpdate::AgentMessageChunk {
5729                    content: "Message 1 resp".into(),
5730                },
5731                cx,
5732            );
5733        });
5734
5735        cx.run_until_parked();
5736
5737        thread.read_with(cx, |thread, cx| {
5738            assert_eq!(
5739                thread.to_markdown(cx),
5740                indoc::indoc! {"
5741                    ## User
5742
5743                    Message 1
5744
5745                    ## Assistant
5746
5747                    Message 1 resp
5748
5749                "}
5750            )
5751        });
5752
5753        message_editor.update_in(cx, |editor, window, cx| {
5754            editor.set_text("Message 2", window, cx);
5755        });
5756        thread_view.update_in(cx, |thread_view, window, cx| {
5757            thread_view.send(window, cx);
5758        });
5759
5760        cx.update(|_, cx| {
5761            // Simulate a response sent after beginning to cancel
5762            connection.send_update(
5763                session_id.clone(),
5764                acp::SessionUpdate::AgentMessageChunk {
5765                    content: "onse".into(),
5766                },
5767                cx,
5768            );
5769        });
5770
5771        cx.run_until_parked();
5772
5773        // Last Message 1 response should appear before Message 2
5774        thread.read_with(cx, |thread, cx| {
5775            assert_eq!(
5776                thread.to_markdown(cx),
5777                indoc::indoc! {"
5778                    ## User
5779
5780                    Message 1
5781
5782                    ## Assistant
5783
5784                    Message 1 response
5785
5786                    ## User
5787
5788                    Message 2
5789
5790                "}
5791            )
5792        });
5793
5794        cx.update(|_, cx| {
5795            connection.send_update(
5796                session_id.clone(),
5797                acp::SessionUpdate::AgentMessageChunk {
5798                    content: "Message 2 response".into(),
5799                },
5800                cx,
5801            );
5802            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5803        });
5804
5805        cx.run_until_parked();
5806
5807        thread.read_with(cx, |thread, cx| {
5808            assert_eq!(
5809                thread.to_markdown(cx),
5810                indoc::indoc! {"
5811                    ## User
5812
5813                    Message 1
5814
5815                    ## Assistant
5816
5817                    Message 1 response
5818
5819                    ## User
5820
5821                    Message 2
5822
5823                    ## Assistant
5824
5825                    Message 2 response
5826
5827                "}
5828            )
5829        });
5830    }
5831}