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    focus_handle: FocusHandle,
 262    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 263    profile_selector: Option<Entity<ProfileSelector>>,
 264    notifications: Vec<WindowHandle<AgentNotification>>,
 265    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 266    thread_retry_status: Option<RetryStatus>,
 267    thread_error: Option<ThreadError>,
 268    thread_feedback: ThreadFeedbackState,
 269    list_state: ListState,
 270    scrollbar_state: ScrollbarState,
 271    auth_task: Option<Task<()>>,
 272    expanded_tool_calls: HashSet<acp::ToolCallId>,
 273    expanded_thinking_blocks: HashSet<(usize, usize)>,
 274    edits_expanded: bool,
 275    plan_expanded: bool,
 276    editor_expanded: bool,
 277    editing_message: Option<usize>,
 278    prompt_capabilities: Rc<Cell<PromptCapabilities>>,
 279    _cancel_task: Option<Task<()>>,
 280    _subscriptions: [Subscription; 3],
 281}
 282
 283enum ThreadState {
 284    Loading {
 285        _task: Task<()>,
 286    },
 287    Ready {
 288        thread: Entity<AcpThread>,
 289        title_editor: Option<Entity<Editor>>,
 290        _subscriptions: Vec<Subscription>,
 291    },
 292    LoadError(LoadError),
 293    Unauthenticated {
 294        connection: Rc<dyn AgentConnection>,
 295        description: Option<Entity<Markdown>>,
 296        configuration_view: Option<AnyView>,
 297        pending_auth_method: Option<acp::AuthMethodId>,
 298        _subscription: Option<Subscription>,
 299    },
 300}
 301
 302impl AcpThreadView {
 303    pub fn new(
 304        agent: Rc<dyn AgentServer>,
 305        resume_thread: Option<DbThreadMetadata>,
 306        summarize_thread: Option<DbThreadMetadata>,
 307        workspace: WeakEntity<Workspace>,
 308        project: Entity<Project>,
 309        history_store: Entity<HistoryStore>,
 310        prompt_store: Option<Entity<PromptStore>>,
 311        window: &mut Window,
 312        cx: &mut Context<Self>,
 313    ) -> Self {
 314        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
 315        let prevent_slash_commands = agent.clone().downcast::<ClaudeCode>().is_some();
 316
 317        let placeholder = if agent.name() == "Zed Agent" {
 318            format!("Message the {} — @ to include context", agent.name())
 319        } else {
 320            format!("Message {} — @ to include context", agent.name())
 321        };
 322
 323        let message_editor = cx.new(|cx| {
 324            let mut editor = MessageEditor::new(
 325                workspace.clone(),
 326                project.clone(),
 327                history_store.clone(),
 328                prompt_store.clone(),
 329                prompt_capabilities.clone(),
 330                placeholder,
 331                prevent_slash_commands,
 332                editor::EditorMode::AutoHeight {
 333                    min_lines: MIN_EDITOR_LINES,
 334                    max_lines: Some(MAX_EDITOR_LINES),
 335                },
 336                window,
 337                cx,
 338            );
 339            if let Some(entry) = summarize_thread {
 340                editor.insert_thread_summary(entry, window, cx);
 341            }
 342            editor
 343        });
 344
 345        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 346
 347        let entry_view_state = cx.new(|_| {
 348            EntryViewState::new(
 349                workspace.clone(),
 350                project.clone(),
 351                history_store.clone(),
 352                prompt_store.clone(),
 353                prompt_capabilities.clone(),
 354                prevent_slash_commands,
 355            )
 356        });
 357
 358        let subscriptions = [
 359            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 360            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 361            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 362        ];
 363
 364        Self {
 365            agent: agent.clone(),
 366            workspace: workspace.clone(),
 367            project: project.clone(),
 368            entry_view_state,
 369            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 370            message_editor,
 371            model_selector: None,
 372            profile_selector: None,
 373            notifications: Vec::new(),
 374            notification_subscriptions: HashMap::default(),
 375            list_state: list_state.clone(),
 376            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 377            thread_retry_status: None,
 378            thread_error: None,
 379            thread_feedback: Default::default(),
 380            auth_task: None,
 381            expanded_tool_calls: HashSet::default(),
 382            expanded_thinking_blocks: HashSet::default(),
 383            editing_message: None,
 384            edits_expanded: false,
 385            plan_expanded: false,
 386            editor_expanded: false,
 387            history_store,
 388            hovered_recent_history_item: None,
 389            prompt_capabilities,
 390            _subscriptions: subscriptions,
 391            _cancel_task: None,
 392            focus_handle: cx.focus_handle(),
 393        }
 394    }
 395
 396    fn initial_state(
 397        agent: Rc<dyn AgentServer>,
 398        resume_thread: Option<DbThreadMetadata>,
 399        workspace: WeakEntity<Workspace>,
 400        project: Entity<Project>,
 401        window: &mut Window,
 402        cx: &mut Context<Self>,
 403    ) -> ThreadState {
 404        let root_dir = project
 405            .read(cx)
 406            .visible_worktrees(cx)
 407            .next()
 408            .map(|worktree| worktree.read(cx).abs_path())
 409            .unwrap_or_else(|| paths::home_dir().as_path().into());
 410
 411        let connect_task = agent.connect(&root_dir, &project, cx);
 412        let load_task = cx.spawn_in(window, async move |this, cx| {
 413            let connection = match connect_task.await {
 414                Ok(connection) => connection,
 415                Err(err) => {
 416                    this.update_in(cx, |this, window, cx| {
 417                        if err.downcast_ref::<LoadError>().is_some() {
 418                            this.handle_load_error(err, window, cx);
 419                        } else {
 420                            this.handle_thread_error(err, cx);
 421                        }
 422                        cx.notify();
 423                    })
 424                    .log_err();
 425                    return;
 426                }
 427            };
 428
 429            let result = if let Some(native_agent) = connection
 430                .clone()
 431                .downcast::<agent2::NativeAgentConnection>()
 432                && let Some(resume) = resume_thread.clone()
 433            {
 434                cx.update(|_, cx| {
 435                    native_agent
 436                        .0
 437                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 438                })
 439                .log_err()
 440            } else {
 441                cx.update(|_, cx| {
 442                    connection
 443                        .clone()
 444                        .new_thread(project.clone(), &root_dir, cx)
 445                })
 446                .log_err()
 447            };
 448
 449            let Some(result) = result else {
 450                return;
 451            };
 452
 453            let result = match result.await {
 454                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 455                    Ok(err) => {
 456                        cx.update(|window, cx| {
 457                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 458                        })
 459                        .log_err();
 460                        return;
 461                    }
 462                    Err(err) => Err(err),
 463                },
 464                Ok(thread) => Ok(thread),
 465            };
 466
 467            this.update_in(cx, |this, window, cx| {
 468                match result {
 469                    Ok(thread) => {
 470                        let action_log = thread.read(cx).action_log().clone();
 471
 472                        this.prompt_capabilities
 473                            .set(connection.prompt_capabilities());
 474
 475                        let count = thread.read(cx).entries().len();
 476                        this.list_state.splice(0..0, count);
 477                        this.entry_view_state.update(cx, |view_state, cx| {
 478                            for ix in 0..count {
 479                                view_state.sync_entry(ix, &thread, window, cx);
 480                            }
 481                        });
 482
 483                        if let Some(resume) = resume_thread {
 484                            this.history_store.update(cx, |history, cx| {
 485                                history.push_recently_opened_entry(
 486                                    HistoryEntryId::AcpThread(resume.id),
 487                                    cx,
 488                                );
 489                            });
 490                        }
 491
 492                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 493
 494                        this.model_selector =
 495                            thread
 496                                .read(cx)
 497                                .connection()
 498                                .model_selector()
 499                                .map(|selector| {
 500                                    cx.new(|cx| {
 501                                        AcpModelSelectorPopover::new(
 502                                            thread.read(cx).session_id().clone(),
 503                                            selector,
 504                                            PopoverMenuHandle::default(),
 505                                            this.focus_handle(cx),
 506                                            window,
 507                                            cx,
 508                                        )
 509                                    })
 510                                });
 511
 512                        let mut subscriptions = vec![
 513                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 514                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 515                        ];
 516
 517                        let title_editor =
 518                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 519                                let editor = cx.new(|cx| {
 520                                    let mut editor = Editor::single_line(window, cx);
 521                                    editor.set_text(thread.read(cx).title(), window, cx);
 522                                    editor
 523                                });
 524                                subscriptions.push(cx.subscribe_in(
 525                                    &editor,
 526                                    window,
 527                                    Self::handle_title_editor_event,
 528                                ));
 529                                Some(editor)
 530                            } else {
 531                                None
 532                            };
 533                        this.thread_state = ThreadState::Ready {
 534                            thread,
 535                            title_editor,
 536                            _subscriptions: subscriptions,
 537                        };
 538                        this.message_editor.focus_handle(cx).focus(window);
 539
 540                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 541                            cx.new(|cx| {
 542                                ProfileSelector::new(
 543                                    <dyn Fs>::global(cx),
 544                                    Arc::new(thread.clone()),
 545                                    this.focus_handle(cx),
 546                                    cx,
 547                                )
 548                            })
 549                        });
 550
 551                        cx.notify();
 552                    }
 553                    Err(err) => {
 554                        this.handle_load_error(err, window, cx);
 555                    }
 556                };
 557            })
 558            .log_err();
 559        });
 560
 561        ThreadState::Loading { _task: load_task }
 562    }
 563
 564    fn handle_auth_required(
 565        this: WeakEntity<Self>,
 566        err: AuthRequired,
 567        agent: Rc<dyn AgentServer>,
 568        connection: Rc<dyn AgentConnection>,
 569        window: &mut Window,
 570        cx: &mut App,
 571    ) {
 572        let agent_name = agent.name();
 573        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 574            let registry = LanguageModelRegistry::global(cx);
 575
 576            let sub = window.subscribe(&registry, cx, {
 577                let provider_id = provider_id.clone();
 578                let this = this.clone();
 579                move |_, ev, window, cx| {
 580                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 581                        && &provider_id == updated_provider_id
 582                    {
 583                        this.update(cx, |this, cx| {
 584                            this.thread_state = Self::initial_state(
 585                                agent.clone(),
 586                                None,
 587                                this.workspace.clone(),
 588                                this.project.clone(),
 589                                window,
 590                                cx,
 591                            );
 592                            cx.notify();
 593                        })
 594                        .ok();
 595                    }
 596                }
 597            });
 598
 599            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 600                provider.configuration_view(
 601                    language_model::ConfigurationViewTargetAgent::Other(agent_name),
 602                    window,
 603                    cx,
 604                )
 605            });
 606
 607            (view, Some(sub))
 608        } else {
 609            (None, None)
 610        };
 611
 612        this.update(cx, |this, cx| {
 613            this.thread_state = ThreadState::Unauthenticated {
 614                pending_auth_method: None,
 615                connection,
 616                configuration_view,
 617                description: err
 618                    .description
 619                    .clone()
 620                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 621                _subscription: subscription,
 622            };
 623            if this.message_editor.focus_handle(cx).is_focused(window) {
 624                this.focus_handle.focus(window)
 625            }
 626            cx.notify();
 627        })
 628        .ok();
 629    }
 630
 631    fn handle_load_error(
 632        &mut self,
 633        err: anyhow::Error,
 634        window: &mut Window,
 635        cx: &mut Context<Self>,
 636    ) {
 637        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 638            self.thread_state = ThreadState::LoadError(load_err.clone());
 639        } else {
 640            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 641        }
 642        if self.message_editor.focus_handle(cx).is_focused(window) {
 643            self.focus_handle.focus(window)
 644        }
 645        cx.notify();
 646    }
 647
 648    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 649        &self.workspace
 650    }
 651
 652    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 653        match &self.thread_state {
 654            ThreadState::Ready { thread, .. } => Some(thread),
 655            ThreadState::Unauthenticated { .. }
 656            | ThreadState::Loading { .. }
 657            | ThreadState::LoadError { .. } => None,
 658        }
 659    }
 660
 661    pub fn title(&self) -> SharedString {
 662        match &self.thread_state {
 663            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 664            ThreadState::Loading { .. } => "Loading…".into(),
 665            ThreadState::LoadError(_) => "Failed to load".into(),
 666        }
 667    }
 668
 669    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 670        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 671            title_editor.clone()
 672        } else {
 673            None
 674        }
 675    }
 676
 677    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 678        self.thread_error.take();
 679        self.thread_retry_status.take();
 680
 681        if let Some(thread) = self.thread() {
 682            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 683        }
 684    }
 685
 686    pub fn expand_message_editor(
 687        &mut self,
 688        _: &ExpandMessageEditor,
 689        _window: &mut Window,
 690        cx: &mut Context<Self>,
 691    ) {
 692        self.set_editor_is_expanded(!self.editor_expanded, cx);
 693        cx.notify();
 694    }
 695
 696    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 697        self.editor_expanded = is_expanded;
 698        self.message_editor.update(cx, |editor, cx| {
 699            if is_expanded {
 700                editor.set_mode(
 701                    EditorMode::Full {
 702                        scale_ui_elements_with_buffer_font_size: false,
 703                        show_active_line_background: false,
 704                        sized_by_content: false,
 705                    },
 706                    cx,
 707                )
 708            } else {
 709                editor.set_mode(
 710                    EditorMode::AutoHeight {
 711                        min_lines: MIN_EDITOR_LINES,
 712                        max_lines: Some(MAX_EDITOR_LINES),
 713                    },
 714                    cx,
 715                )
 716            }
 717        });
 718        cx.notify();
 719    }
 720
 721    pub fn handle_title_editor_event(
 722        &mut self,
 723        title_editor: &Entity<Editor>,
 724        event: &EditorEvent,
 725        window: &mut Window,
 726        cx: &mut Context<Self>,
 727    ) {
 728        let Some(thread) = self.thread() else { return };
 729
 730        match event {
 731            EditorEvent::BufferEdited => {
 732                let new_title = title_editor.read(cx).text(cx);
 733                thread.update(cx, |thread, cx| {
 734                    thread
 735                        .set_title(new_title.into(), cx)
 736                        .detach_and_log_err(cx);
 737                })
 738            }
 739            EditorEvent::Blurred => {
 740                if title_editor.read(cx).text(cx).is_empty() {
 741                    title_editor.update(cx, |editor, cx| {
 742                        editor.set_text("New Thread", window, cx);
 743                    });
 744                }
 745            }
 746            _ => {}
 747        }
 748    }
 749
 750    pub fn handle_message_editor_event(
 751        &mut self,
 752        _: &Entity<MessageEditor>,
 753        event: &MessageEditorEvent,
 754        window: &mut Window,
 755        cx: &mut Context<Self>,
 756    ) {
 757        match event {
 758            MessageEditorEvent::Send => self.send(window, cx),
 759            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 760            MessageEditorEvent::Focus => {
 761                self.cancel_editing(&Default::default(), window, cx);
 762            }
 763        }
 764    }
 765
 766    pub fn handle_entry_view_event(
 767        &mut self,
 768        _: &Entity<EntryViewState>,
 769        event: &EntryViewEvent,
 770        window: &mut Window,
 771        cx: &mut Context<Self>,
 772    ) {
 773        match &event.view_event {
 774            ViewEvent::NewDiff(tool_call_id) => {
 775                if AgentSettings::get_global(cx).expand_edit_card {
 776                    self.expanded_tool_calls.insert(tool_call_id.clone());
 777                }
 778            }
 779            ViewEvent::NewTerminal(tool_call_id) => {
 780                if AgentSettings::get_global(cx).expand_terminal_card {
 781                    self.expanded_tool_calls.insert(tool_call_id.clone());
 782                }
 783            }
 784            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 785                if let Some(thread) = self.thread()
 786                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 787                        thread.read(cx).entries().get(event.entry_index)
 788                    && user_message.id.is_some()
 789                {
 790                    self.editing_message = Some(event.entry_index);
 791                    cx.notify();
 792                }
 793            }
 794            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 795                self.regenerate(event.entry_index, editor, window, cx);
 796            }
 797            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 798                self.cancel_editing(&Default::default(), window, cx);
 799            }
 800        }
 801    }
 802
 803    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 804        self.thread_error.take();
 805        let Some(thread) = self.thread() else {
 806            return;
 807        };
 808
 809        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 810        cx.spawn(async move |this, cx| {
 811            let result = task.await;
 812
 813            this.update(cx, |this, cx| {
 814                if let Err(err) = result {
 815                    this.handle_thread_error(err, cx);
 816                }
 817            })
 818        })
 819        .detach();
 820    }
 821
 822    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 823        let Some(thread) = self.thread() else { return };
 824        self.history_store.update(cx, |history, cx| {
 825            history.push_recently_opened_entry(
 826                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 827                cx,
 828            );
 829        });
 830
 831        if thread.read(cx).status() != ThreadStatus::Idle {
 832            self.stop_current_and_send_new_message(window, cx);
 833            return;
 834        }
 835
 836        let contents = self
 837            .message_editor
 838            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 839        self.send_impl(contents, window, cx)
 840    }
 841
 842    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 843        let Some(thread) = self.thread().cloned() else {
 844            return;
 845        };
 846
 847        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
 848
 849        let contents = self
 850            .message_editor
 851            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 852
 853        cx.spawn_in(window, async move |this, cx| {
 854            cancelled.await;
 855
 856            this.update_in(cx, |this, window, cx| {
 857                this.send_impl(contents, window, cx);
 858            })
 859            .ok();
 860        })
 861        .detach();
 862    }
 863
 864    fn send_impl(
 865        &mut self,
 866        contents: Task<anyhow::Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
 867        window: &mut Window,
 868        cx: &mut Context<Self>,
 869    ) {
 870        self.thread_error.take();
 871        self.editing_message.take();
 872        self.thread_feedback.clear();
 873
 874        let Some(thread) = self.thread().cloned() else {
 875            return;
 876        };
 877        let task = cx.spawn_in(window, async move |this, cx| {
 878            let (contents, tracked_buffers) = contents.await?;
 879
 880            if contents.is_empty() {
 881                return Ok(());
 882            }
 883
 884            this.update_in(cx, |this, window, cx| {
 885                this.set_editor_is_expanded(false, cx);
 886                this.scroll_to_bottom(cx);
 887                this.message_editor.update(cx, |message_editor, cx| {
 888                    message_editor.clear(window, cx);
 889                });
 890            })?;
 891            let send = thread.update(cx, |thread, cx| {
 892                thread.action_log().update(cx, |action_log, cx| {
 893                    for buffer in tracked_buffers {
 894                        action_log.buffer_read(buffer, cx)
 895                    }
 896                });
 897                thread.send(contents, cx)
 898            })?;
 899            send.await
 900        });
 901
 902        cx.spawn(async move |this, cx| {
 903            if let Err(err) = task.await {
 904                this.update(cx, |this, cx| {
 905                    this.handle_thread_error(err, cx);
 906                })
 907                .ok();
 908            }
 909        })
 910        .detach();
 911    }
 912
 913    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 914        let Some(thread) = self.thread().cloned() else {
 915            return;
 916        };
 917
 918        if let Some(index) = self.editing_message.take()
 919            && let Some(editor) = self
 920                .entry_view_state
 921                .read(cx)
 922                .entry(index)
 923                .and_then(|e| e.message_editor())
 924                .cloned()
 925        {
 926            editor.update(cx, |editor, cx| {
 927                if let Some(user_message) = thread
 928                    .read(cx)
 929                    .entries()
 930                    .get(index)
 931                    .and_then(|e| e.user_message())
 932                {
 933                    editor.set_message(user_message.chunks.clone(), window, cx);
 934                }
 935            })
 936        };
 937        self.focus_handle(cx).focus(window);
 938        cx.notify();
 939    }
 940
 941    fn regenerate(
 942        &mut self,
 943        entry_ix: usize,
 944        message_editor: &Entity<MessageEditor>,
 945        window: &mut Window,
 946        cx: &mut Context<Self>,
 947    ) {
 948        let Some(thread) = self.thread().cloned() else {
 949            return;
 950        };
 951
 952        let Some(rewind) = thread.update(cx, |thread, cx| {
 953            let user_message_id = thread.entries().get(entry_ix)?.user_message()?.id.clone()?;
 954            Some(thread.rewind(user_message_id, cx))
 955        }) else {
 956            return;
 957        };
 958
 959        let contents =
 960            message_editor.update(cx, |message_editor, cx| message_editor.contents(window, cx));
 961
 962        let task = cx.foreground_executor().spawn(async move {
 963            rewind.await?;
 964            contents.await
 965        });
 966        self.send_impl(task, window, cx);
 967    }
 968
 969    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
 970        if let Some(thread) = self.thread() {
 971            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
 972        }
 973    }
 974
 975    fn open_edited_buffer(
 976        &mut self,
 977        buffer: &Entity<Buffer>,
 978        window: &mut Window,
 979        cx: &mut Context<Self>,
 980    ) {
 981        let Some(thread) = self.thread() else {
 982            return;
 983        };
 984
 985        let Some(diff) =
 986            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
 987        else {
 988            return;
 989        };
 990
 991        diff.update(cx, |diff, cx| {
 992            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
 993        })
 994    }
 995
 996    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 997        let Some(thread) = self.as_native_thread(cx) else {
 998            return;
 999        };
1000        let project_context = thread.read(cx).project_context().read(cx);
1001
1002        let project_entry_ids = project_context
1003            .worktrees
1004            .iter()
1005            .flat_map(|worktree| worktree.rules_file.as_ref())
1006            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1007            .collect::<Vec<_>>();
1008
1009        self.workspace
1010            .update(cx, move |workspace, cx| {
1011                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1012                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1013                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1014                let project = workspace.project().read(cx);
1015                let project_paths = project_entry_ids
1016                    .into_iter()
1017                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1018                    .collect::<Vec<_>>();
1019                for project_path in project_paths {
1020                    workspace
1021                        .open_path(project_path, None, true, window, cx)
1022                        .detach_and_log_err(cx);
1023                }
1024            })
1025            .ok();
1026    }
1027
1028    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1029        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1030        cx.notify();
1031    }
1032
1033    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1034        self.thread_error = None;
1035        cx.notify();
1036    }
1037
1038    fn handle_thread_event(
1039        &mut self,
1040        thread: &Entity<AcpThread>,
1041        event: &AcpThreadEvent,
1042        window: &mut Window,
1043        cx: &mut Context<Self>,
1044    ) {
1045        match event {
1046            AcpThreadEvent::NewEntry => {
1047                let len = thread.read(cx).entries().len();
1048                let index = len - 1;
1049                self.entry_view_state.update(cx, |view_state, cx| {
1050                    view_state.sync_entry(index, thread, window, cx)
1051                });
1052                self.list_state.splice(index..index, 1);
1053            }
1054            AcpThreadEvent::EntryUpdated(index) => {
1055                self.entry_view_state.update(cx, |view_state, cx| {
1056                    view_state.sync_entry(*index, thread, window, cx)
1057                });
1058            }
1059            AcpThreadEvent::EntriesRemoved(range) => {
1060                self.entry_view_state
1061                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1062                self.list_state.splice(range.clone(), 0);
1063            }
1064            AcpThreadEvent::ToolAuthorizationRequired => {
1065                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1066            }
1067            AcpThreadEvent::Retry(retry) => {
1068                self.thread_retry_status = Some(retry.clone());
1069            }
1070            AcpThreadEvent::Stopped => {
1071                self.thread_retry_status.take();
1072                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1073                self.notify_with_sound(
1074                    if used_tools {
1075                        "Finished running tools"
1076                    } else {
1077                        "New message"
1078                    },
1079                    IconName::ZedAssistant,
1080                    window,
1081                    cx,
1082                );
1083            }
1084            AcpThreadEvent::Error => {
1085                self.thread_retry_status.take();
1086                self.notify_with_sound(
1087                    "Agent stopped due to an error",
1088                    IconName::Warning,
1089                    window,
1090                    cx,
1091                );
1092            }
1093            AcpThreadEvent::LoadError(error) => {
1094                self.thread_retry_status.take();
1095                self.thread_state = ThreadState::LoadError(error.clone());
1096                if self.message_editor.focus_handle(cx).is_focused(window) {
1097                    self.focus_handle.focus(window)
1098                }
1099            }
1100            AcpThreadEvent::TitleUpdated => {
1101                let title = thread.read(cx).title();
1102                if let Some(title_editor) = self.title_editor() {
1103                    title_editor.update(cx, |editor, cx| {
1104                        if editor.text(cx) != title {
1105                            editor.set_text(title, window, cx);
1106                        }
1107                    });
1108                }
1109            }
1110            AcpThreadEvent::TokenUsageUpdated => {}
1111        }
1112        cx.notify();
1113    }
1114
1115    fn authenticate(
1116        &mut self,
1117        method: acp::AuthMethodId,
1118        window: &mut Window,
1119        cx: &mut Context<Self>,
1120    ) {
1121        let ThreadState::Unauthenticated {
1122            connection,
1123            pending_auth_method,
1124            configuration_view,
1125            ..
1126        } = &mut self.thread_state
1127        else {
1128            return;
1129        };
1130
1131        if method.0.as_ref() == "gemini-api-key" {
1132            let registry = LanguageModelRegistry::global(cx);
1133            let provider = registry
1134                .read(cx)
1135                .provider(&language_model::GOOGLE_PROVIDER_ID)
1136                .unwrap();
1137            if !provider.is_authenticated(cx) {
1138                let this = cx.weak_entity();
1139                let agent = self.agent.clone();
1140                let connection = connection.clone();
1141                window.defer(cx, |window, cx| {
1142                    Self::handle_auth_required(
1143                        this,
1144                        AuthRequired {
1145                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1146                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1147                        },
1148                        agent,
1149                        connection,
1150                        window,
1151                        cx,
1152                    );
1153                });
1154                return;
1155            }
1156        } else if method.0.as_ref() == "vertex-ai"
1157            && std::env::var("GOOGLE_API_KEY").is_err()
1158            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1159                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1160        {
1161            let this = cx.weak_entity();
1162            let agent = self.agent.clone();
1163            let connection = connection.clone();
1164
1165            window.defer(cx, |window, cx| {
1166                    Self::handle_auth_required(
1167                        this,
1168                        AuthRequired {
1169                            description: Some(
1170                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1171                                    .to_owned(),
1172                            ),
1173                            provider_id: None,
1174                        },
1175                        agent,
1176                        connection,
1177                        window,
1178                        cx,
1179                    )
1180                });
1181            return;
1182        }
1183
1184        self.thread_error.take();
1185        configuration_view.take();
1186        pending_auth_method.replace(method.clone());
1187        let authenticate = connection.authenticate(method, cx);
1188        cx.notify();
1189        self.auth_task = Some(cx.spawn_in(window, {
1190            let project = self.project.clone();
1191            let agent = self.agent.clone();
1192            async move |this, cx| {
1193                let result = authenticate.await;
1194
1195                this.update_in(cx, |this, window, cx| {
1196                    if let Err(err) = result {
1197                        this.handle_thread_error(err, cx);
1198                    } else {
1199                        this.thread_state = Self::initial_state(
1200                            agent,
1201                            None,
1202                            this.workspace.clone(),
1203                            project.clone(),
1204                            window,
1205                            cx,
1206                        )
1207                    }
1208                    this.auth_task.take()
1209                })
1210                .ok();
1211            }
1212        }));
1213    }
1214
1215    fn authorize_tool_call(
1216        &mut self,
1217        tool_call_id: acp::ToolCallId,
1218        option_id: acp::PermissionOptionId,
1219        option_kind: acp::PermissionOptionKind,
1220        cx: &mut Context<Self>,
1221    ) {
1222        let Some(thread) = self.thread() else {
1223            return;
1224        };
1225        thread.update(cx, |thread, cx| {
1226            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1227        });
1228        cx.notify();
1229    }
1230
1231    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1232        let Some(thread) = self.thread() else {
1233            return;
1234        };
1235        thread
1236            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1237            .detach_and_log_err(cx);
1238        cx.notify();
1239    }
1240
1241    fn render_entry(
1242        &self,
1243        entry_ix: usize,
1244        total_entries: usize,
1245        entry: &AgentThreadEntry,
1246        window: &mut Window,
1247        cx: &Context<Self>,
1248    ) -> AnyElement {
1249        let primary = match &entry {
1250            AgentThreadEntry::UserMessage(message) => {
1251                let Some(editor) = self
1252                    .entry_view_state
1253                    .read(cx)
1254                    .entry(entry_ix)
1255                    .and_then(|entry| entry.message_editor())
1256                    .cloned()
1257                else {
1258                    return Empty.into_any_element();
1259                };
1260
1261                let editing = self.editing_message == Some(entry_ix);
1262                let editor_focus = editor.focus_handle(cx).is_focused(window);
1263                let focus_border = cx.theme().colors().border_focused;
1264
1265                let rules_item = if entry_ix == 0 {
1266                    self.render_rules_item(cx)
1267                } else {
1268                    None
1269                };
1270
1271                let agent_name = self.agent.name();
1272
1273                v_flex()
1274                    .id(("user_message", entry_ix))
1275                    .pt_2()
1276                    .pb_4()
1277                    .px_2()
1278                    .gap_1p5()
1279                    .w_full()
1280                    .children(rules_item)
1281                    .children(message.id.clone().and_then(|message_id| {
1282                        message.checkpoint.as_ref()?.show.then(|| {
1283                            h_flex()
1284                                .gap_2()
1285                                .child(Divider::horizontal())
1286                                .child(
1287                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1288                                        .icon(IconName::Undo)
1289                                        .icon_size(IconSize::XSmall)
1290                                        .icon_position(IconPosition::Start)
1291                                        .label_size(LabelSize::XSmall)
1292                                        .icon_color(Color::Muted)
1293                                        .color(Color::Muted)
1294                                        .on_click(cx.listener(move |this, _, _window, cx| {
1295                                            this.rewind(&message_id, cx);
1296                                        }))
1297                                )
1298                                .child(Divider::horizontal())
1299                        })
1300                    }))
1301                    .child(
1302                        div()
1303                            .relative()
1304                            .child(
1305                                div()
1306                                    .py_3()
1307                                    .px_2()
1308                                    .rounded_md()
1309                                    .shadow_md()
1310                                    .bg(cx.theme().colors().editor_background)
1311                                    .border_1()
1312                                    .when(editing && !editor_focus, |this| this.border_dashed())
1313                                    .border_color(cx.theme().colors().border)
1314                                    .map(|this|{
1315                                        if editing && editor_focus {
1316                                            this.border_color(focus_border)
1317                                        } else if message.id.is_some() {
1318                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1319                                        } else {
1320                                            this
1321                                        }
1322                                    })
1323                                    .text_xs()
1324                                    .child(editor.clone().into_any_element()),
1325                            )
1326                            .when(editor_focus, |this| {
1327                                let base_container = h_flex()
1328                                    .absolute()
1329                                    .top_neg_3p5()
1330                                    .right_3()
1331                                    .gap_1()
1332                                    .rounded_sm()
1333                                    .border_1()
1334                                    .border_color(cx.theme().colors().border)
1335                                    .bg(cx.theme().colors().editor_background)
1336                                    .overflow_hidden();
1337
1338                                if message.id.is_some() {
1339                                    this.child(
1340                                        base_container
1341                                            .child(
1342                                                IconButton::new("cancel", IconName::Close)
1343                                                    .icon_color(Color::Error)
1344                                                    .icon_size(IconSize::XSmall)
1345                                                    .on_click(cx.listener(Self::cancel_editing))
1346                                            )
1347                                            .child(
1348                                                IconButton::new("regenerate", IconName::Return)
1349                                                    .icon_color(Color::Muted)
1350                                                    .icon_size(IconSize::XSmall)
1351                                                    .tooltip(Tooltip::text(
1352                                                        "Editing will restart the thread from this point."
1353                                                    ))
1354                                                    .on_click(cx.listener({
1355                                                        let editor = editor.clone();
1356                                                        move |this, _, window, cx| {
1357                                                            this.regenerate(
1358                                                                entry_ix, &editor, window, cx,
1359                                                            );
1360                                                        }
1361                                                    })),
1362                                            )
1363                                    )
1364                                } else {
1365                                    this.child(
1366                                        base_container
1367                                            .border_dashed()
1368                                            .child(
1369                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1370                                                    .icon_size(IconSize::Small)
1371                                                    .icon_color(Color::Muted)
1372                                                    .style(ButtonStyle::Transparent)
1373                                                    .tooltip(move |_window, cx| {
1374                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.into()))
1375                                                            .into()
1376                                                    })
1377                                            )
1378                                    )
1379                                }
1380                            }),
1381                    )
1382                    .into_any()
1383            }
1384            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1385                let style = default_markdown_style(false, false, window, cx);
1386                let message_body = v_flex()
1387                    .w_full()
1388                    .gap_2p5()
1389                    .children(chunks.iter().enumerate().filter_map(
1390                        |(chunk_ix, chunk)| match chunk {
1391                            AssistantMessageChunk::Message { block } => {
1392                                block.markdown().map(|md| {
1393                                    self.render_markdown(md.clone(), style.clone())
1394                                        .into_any_element()
1395                                })
1396                            }
1397                            AssistantMessageChunk::Thought { block } => {
1398                                block.markdown().map(|md| {
1399                                    self.render_thinking_block(
1400                                        entry_ix,
1401                                        chunk_ix,
1402                                        md.clone(),
1403                                        window,
1404                                        cx,
1405                                    )
1406                                    .into_any_element()
1407                                })
1408                            }
1409                        },
1410                    ))
1411                    .into_any();
1412
1413                v_flex()
1414                    .px_5()
1415                    .py_1()
1416                    .when(entry_ix + 1 == total_entries, |this| this.pb_4())
1417                    .w_full()
1418                    .text_ui(cx)
1419                    .child(message_body)
1420                    .into_any()
1421            }
1422            AgentThreadEntry::ToolCall(tool_call) => {
1423                let has_terminals = tool_call.terminals().next().is_some();
1424
1425                div().w_full().py_1().px_5().map(|this| {
1426                    if has_terminals {
1427                        this.children(tool_call.terminals().map(|terminal| {
1428                            self.render_terminal_tool_call(
1429                                entry_ix, terminal, tool_call, window, cx,
1430                            )
1431                        }))
1432                    } else {
1433                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1434                    }
1435                })
1436            }
1437            .into_any(),
1438        };
1439
1440        let Some(thread) = self.thread() else {
1441            return primary;
1442        };
1443
1444        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
1445        let primary = if entry_ix == total_entries - 1 && !is_generating {
1446            v_flex()
1447                .w_full()
1448                .child(primary)
1449                .child(self.render_thread_controls(cx))
1450                .when_some(
1451                    self.thread_feedback.comments_editor.clone(),
1452                    |this, editor| {
1453                        this.child(Self::render_feedback_feedback_editor(editor, window, cx))
1454                    },
1455                )
1456                .into_any_element()
1457        } else {
1458            primary
1459        };
1460
1461        if let Some(editing_index) = self.editing_message.as_ref()
1462            && *editing_index < entry_ix
1463        {
1464            let backdrop = div()
1465                .id(("backdrop", entry_ix))
1466                .size_full()
1467                .absolute()
1468                .inset_0()
1469                .bg(cx.theme().colors().panel_background)
1470                .opacity(0.8)
1471                .block_mouse_except_scroll()
1472                .on_click(cx.listener(Self::cancel_editing));
1473
1474            div()
1475                .relative()
1476                .child(primary)
1477                .child(backdrop)
1478                .into_any_element()
1479        } else {
1480            primary
1481        }
1482    }
1483
1484    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1485        cx.theme()
1486            .colors()
1487            .element_background
1488            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1489    }
1490
1491    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1492        cx.theme().colors().border.opacity(0.8)
1493    }
1494
1495    fn tool_name_font_size(&self) -> Rems {
1496        rems_from_px(13.)
1497    }
1498
1499    fn render_thinking_block(
1500        &self,
1501        entry_ix: usize,
1502        chunk_ix: usize,
1503        chunk: Entity<Markdown>,
1504        window: &Window,
1505        cx: &Context<Self>,
1506    ) -> AnyElement {
1507        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1508        let card_header_id = SharedString::from("inner-card-header");
1509        let key = (entry_ix, chunk_ix);
1510        let is_open = self.expanded_thinking_blocks.contains(&key);
1511
1512        v_flex()
1513            .child(
1514                h_flex()
1515                    .id(header_id)
1516                    .group(&card_header_id)
1517                    .relative()
1518                    .w_full()
1519                    .gap_1p5()
1520                    .child(
1521                        h_flex()
1522                            .size_4()
1523                            .justify_center()
1524                            .child(
1525                                div()
1526                                    .group_hover(&card_header_id, |s| s.invisible().w_0())
1527                                    .child(
1528                                        Icon::new(IconName::ToolThink)
1529                                            .size(IconSize::Small)
1530                                            .color(Color::Muted),
1531                                    ),
1532                            )
1533                            .child(
1534                                h_flex()
1535                                    .absolute()
1536                                    .inset_0()
1537                                    .invisible()
1538                                    .justify_center()
1539                                    .group_hover(&card_header_id, |s| s.visible())
1540                                    .child(
1541                                        Disclosure::new(("expand", entry_ix), is_open)
1542                                            .opened_icon(IconName::ChevronUp)
1543                                            .closed_icon(IconName::ChevronRight)
1544                                            .on_click(cx.listener({
1545                                                move |this, _event, _window, cx| {
1546                                                    if is_open {
1547                                                        this.expanded_thinking_blocks.remove(&key);
1548                                                    } else {
1549                                                        this.expanded_thinking_blocks.insert(key);
1550                                                    }
1551                                                    cx.notify();
1552                                                }
1553                                            })),
1554                                    ),
1555                            ),
1556                    )
1557                    .child(
1558                        div()
1559                            .text_size(self.tool_name_font_size())
1560                            .text_color(cx.theme().colors().text_muted)
1561                            .child("Thinking"),
1562                    )
1563                    .on_click(cx.listener({
1564                        move |this, _event, _window, cx| {
1565                            if is_open {
1566                                this.expanded_thinking_blocks.remove(&key);
1567                            } else {
1568                                this.expanded_thinking_blocks.insert(key);
1569                            }
1570                            cx.notify();
1571                        }
1572                    })),
1573            )
1574            .when(is_open, |this| {
1575                this.child(
1576                    div()
1577                        .relative()
1578                        .mt_1p5()
1579                        .ml(px(7.))
1580                        .pl_4()
1581                        .border_l_1()
1582                        .border_color(self.tool_card_border_color(cx))
1583                        .text_ui_sm(cx)
1584                        .child(self.render_markdown(
1585                            chunk,
1586                            default_markdown_style(false, false, window, cx),
1587                        )),
1588                )
1589            })
1590            .into_any_element()
1591    }
1592
1593    fn render_tool_call_icon(
1594        &self,
1595        group_name: SharedString,
1596        entry_ix: usize,
1597        is_collapsible: bool,
1598        is_open: bool,
1599        tool_call: &ToolCall,
1600        cx: &Context<Self>,
1601    ) -> Div {
1602        let tool_icon =
1603            if tool_call.kind == acp::ToolKind::Edit && tool_call.locations.len() == 1 {
1604                FileIcons::get_icon(&tool_call.locations[0].path, cx)
1605                    .map(Icon::from_path)
1606                    .unwrap_or(Icon::new(IconName::ToolPencil))
1607            } else {
1608                Icon::new(match tool_call.kind {
1609                    acp::ToolKind::Read => IconName::ToolRead,
1610                    acp::ToolKind::Edit => IconName::ToolPencil,
1611                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
1612                    acp::ToolKind::Move => IconName::ArrowRightLeft,
1613                    acp::ToolKind::Search => IconName::ToolSearch,
1614                    acp::ToolKind::Execute => IconName::ToolTerminal,
1615                    acp::ToolKind::Think => IconName::ToolThink,
1616                    acp::ToolKind::Fetch => IconName::ToolWeb,
1617                    acp::ToolKind::Other => IconName::ToolHammer,
1618                })
1619            }
1620            .size(IconSize::Small)
1621            .color(Color::Muted);
1622
1623        let base_container = h_flex().flex_shrink_0().size_4().justify_center();
1624
1625        if is_collapsible {
1626            base_container
1627                .child(
1628                    div()
1629                        .group_hover(&group_name, |s| s.invisible().w_0())
1630                        .child(tool_icon),
1631                )
1632                .child(
1633                    h_flex()
1634                        .absolute()
1635                        .inset_0()
1636                        .invisible()
1637                        .justify_center()
1638                        .group_hover(&group_name, |s| s.visible())
1639                        .child(
1640                            Disclosure::new(("expand", entry_ix), is_open)
1641                                .opened_icon(IconName::ChevronUp)
1642                                .closed_icon(IconName::ChevronRight)
1643                                .on_click(cx.listener({
1644                                    let id = tool_call.id.clone();
1645                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1646                                        if is_open {
1647                                            this.expanded_tool_calls.remove(&id);
1648                                        } else {
1649                                            this.expanded_tool_calls.insert(id.clone());
1650                                        }
1651                                        cx.notify();
1652                                    }
1653                                })),
1654                        ),
1655                )
1656        } else {
1657            base_container.child(tool_icon)
1658        }
1659    }
1660
1661    fn render_tool_call(
1662        &self,
1663        entry_ix: usize,
1664        tool_call: &ToolCall,
1665        window: &Window,
1666        cx: &Context<Self>,
1667    ) -> Div {
1668        let header_id = SharedString::from(format!("outer-tool-call-header-{}", entry_ix));
1669        let card_header_id = SharedString::from("inner-tool-call-header");
1670
1671        let status_icon = match &tool_call.status {
1672            ToolCallStatus::Pending
1673            | ToolCallStatus::WaitingForConfirmation { .. }
1674            | ToolCallStatus::Completed => None,
1675            ToolCallStatus::InProgress => Some(
1676                div()
1677                    .absolute()
1678                    .right_2()
1679                    .child(
1680                        Icon::new(IconName::ArrowCircle)
1681                            .color(Color::Muted)
1682                            .size(IconSize::Small)
1683                            .with_animation(
1684                                "running",
1685                                Animation::new(Duration::from_secs(3)).repeat(),
1686                                |icon, delta| {
1687                                    icon.transform(Transformation::rotate(percentage(delta)))
1688                                },
1689                            ),
1690                    )
1691                    .into_any(),
1692            ),
1693            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => Some(
1694                div()
1695                    .absolute()
1696                    .right_2()
1697                    .child(
1698                        Icon::new(IconName::Close)
1699                            .color(Color::Error)
1700                            .size(IconSize::Small),
1701                    )
1702                    .into_any_element(),
1703            ),
1704        };
1705
1706        let failed_tool_call = matches!(
1707            tool_call.status,
1708            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
1709        );
1710        let needs_confirmation = matches!(
1711            tool_call.status,
1712            ToolCallStatus::WaitingForConfirmation { .. }
1713        );
1714        let is_edit =
1715            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
1716        let use_card_layout = needs_confirmation || is_edit;
1717
1718        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
1719
1720        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
1721
1722        let gradient_overlay = |color: Hsla| {
1723            div()
1724                .absolute()
1725                .top_0()
1726                .right_0()
1727                .w_16()
1728                .h_full()
1729                .bg(linear_gradient(
1730                    90.,
1731                    linear_color_stop(color, 1.),
1732                    linear_color_stop(color.opacity(0.2), 0.),
1733                ))
1734        };
1735        let gradient_color = if use_card_layout {
1736            self.tool_card_header_bg(cx)
1737        } else {
1738            cx.theme().colors().panel_background
1739        };
1740
1741        let tool_output_display = if is_open {
1742            match &tool_call.status {
1743                ToolCallStatus::WaitingForConfirmation { options, .. } => {
1744                    v_flex()
1745                        .w_full()
1746                        .children(tool_call.content.iter().map(|content| {
1747                            div()
1748                                .child(self.render_tool_call_content(
1749                                    entry_ix, content, tool_call, window, cx,
1750                                ))
1751                                .into_any_element()
1752                        }))
1753                        .child(self.render_permission_buttons(
1754                            options,
1755                            entry_ix,
1756                            tool_call.id.clone(),
1757                            tool_call.content.is_empty(),
1758                            cx,
1759                        ))
1760                        .into_any()
1761                }
1762                ToolCallStatus::Pending | ToolCallStatus::InProgress
1763                    if is_edit
1764                        && tool_call.content.is_empty()
1765                        && self.as_native_connection(cx).is_some() =>
1766                {
1767                    self.render_diff_loading(cx).into_any()
1768                }
1769                ToolCallStatus::Pending
1770                | ToolCallStatus::InProgress
1771                | ToolCallStatus::Completed
1772                | ToolCallStatus::Failed
1773                | ToolCallStatus::Canceled => v_flex()
1774                    .w_full()
1775                    .children(tool_call.content.iter().map(|content| {
1776                        div().child(
1777                            self.render_tool_call_content(entry_ix, content, tool_call, window, cx),
1778                        )
1779                    }))
1780                    .into_any(),
1781                ToolCallStatus::Rejected => Empty.into_any(),
1782            }
1783            .into()
1784        } else {
1785            None
1786        };
1787
1788        v_flex()
1789            .when(use_card_layout, |this| {
1790                this.rounded_md()
1791                    .border_1()
1792                    .border_color(self.tool_card_border_color(cx))
1793                    .bg(cx.theme().colors().editor_background)
1794                    .overflow_hidden()
1795            })
1796            .child(
1797                h_flex()
1798                    .id(header_id)
1799                    .relative()
1800                    .w_full()
1801                    .max_w_full()
1802                    .gap_1()
1803                    .when(use_card_layout, |this| {
1804                        this.pl_1p5()
1805                            .pr_1()
1806                            .py_0p5()
1807                            .rounded_t_md()
1808                            .when(is_open && !failed_tool_call, |this| {
1809                                this.border_b_1()
1810                                    .border_color(self.tool_card_border_color(cx))
1811                            })
1812                            .bg(self.tool_card_header_bg(cx))
1813                    })
1814                    .child(
1815                        h_flex()
1816                            .group(&card_header_id)
1817                            .relative()
1818                            .w_full()
1819                            .h(window.line_height() - px(2.))
1820                            .text_size(self.tool_name_font_size())
1821                            .child(self.render_tool_call_icon(
1822                                card_header_id,
1823                                entry_ix,
1824                                is_collapsible,
1825                                is_open,
1826                                tool_call,
1827                                cx,
1828                            ))
1829                            .child(if tool_call.locations.len() == 1 {
1830                                let name = tool_call.locations[0]
1831                                    .path
1832                                    .file_name()
1833                                    .unwrap_or_default()
1834                                    .display()
1835                                    .to_string();
1836
1837                                h_flex()
1838                                    .id(("open-tool-call-location", entry_ix))
1839                                    .w_full()
1840                                    .max_w_full()
1841                                    .px_1p5()
1842                                    .rounded_sm()
1843                                    .overflow_x_scroll()
1844                                    .hover(|label| {
1845                                        label.bg(cx.theme().colors().element_hover.opacity(0.5))
1846                                    })
1847                                    .map(|this| {
1848                                        if use_card_layout {
1849                                            this.text_color(cx.theme().colors().text)
1850                                        } else {
1851                                            this.text_color(cx.theme().colors().text_muted)
1852                                        }
1853                                    })
1854                                    .child(name)
1855                                    .tooltip(Tooltip::text("Jump to File"))
1856                                    .on_click(cx.listener(move |this, _, window, cx| {
1857                                        this.open_tool_call_location(entry_ix, 0, window, cx);
1858                                    }))
1859                                    .into_any_element()
1860                            } else {
1861                                h_flex()
1862                                    .id("non-card-label-container")
1863                                    .relative()
1864                                    .w_full()
1865                                    .max_w_full()
1866                                    .ml_1p5()
1867                                    .overflow_hidden()
1868                                    .child(h_flex().pr_8().child(self.render_markdown(
1869                                        tool_call.label.clone(),
1870                                        default_markdown_style(false, true, window, cx),
1871                                    )))
1872                                    .child(gradient_overlay(gradient_color))
1873                                    .on_click(cx.listener({
1874                                        let id = tool_call.id.clone();
1875                                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1876                                            if is_open {
1877                                                this.expanded_tool_calls.remove(&id);
1878                                            } else {
1879                                                this.expanded_tool_calls.insert(id.clone());
1880                                            }
1881                                            cx.notify();
1882                                        }
1883                                    }))
1884                                    .into_any()
1885                            }),
1886                    )
1887                    .children(status_icon),
1888            )
1889            .children(tool_output_display)
1890    }
1891
1892    fn render_tool_call_content(
1893        &self,
1894        entry_ix: usize,
1895        content: &ToolCallContent,
1896        tool_call: &ToolCall,
1897        window: &Window,
1898        cx: &Context<Self>,
1899    ) -> AnyElement {
1900        match content {
1901            ToolCallContent::ContentBlock(content) => {
1902                if let Some(resource_link) = content.resource_link() {
1903                    self.render_resource_link(resource_link, cx)
1904                } else if let Some(markdown) = content.markdown() {
1905                    self.render_markdown_output(markdown.clone(), tool_call.id.clone(), window, cx)
1906                } else {
1907                    Empty.into_any_element()
1908                }
1909            }
1910            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
1911            ToolCallContent::Terminal(terminal) => {
1912                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
1913            }
1914        }
1915    }
1916
1917    fn render_markdown_output(
1918        &self,
1919        markdown: Entity<Markdown>,
1920        tool_call_id: acp::ToolCallId,
1921        window: &Window,
1922        cx: &Context<Self>,
1923    ) -> AnyElement {
1924        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
1925
1926        v_flex()
1927            .mt_1p5()
1928            .ml(px(7.))
1929            .px_3p5()
1930            .gap_2()
1931            .border_l_1()
1932            .border_color(self.tool_card_border_color(cx))
1933            .text_sm()
1934            .text_color(cx.theme().colors().text_muted)
1935            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
1936            .child(
1937                IconButton::new(button_id, IconName::ChevronUp)
1938                    .full_width()
1939                    .style(ButtonStyle::Outlined)
1940                    .icon_color(Color::Muted)
1941                    .on_click(cx.listener({
1942                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1943                            this.expanded_tool_calls.remove(&tool_call_id);
1944                            cx.notify();
1945                        }
1946                    })),
1947            )
1948            .into_any_element()
1949    }
1950
1951    fn render_resource_link(
1952        &self,
1953        resource_link: &acp::ResourceLink,
1954        cx: &Context<Self>,
1955    ) -> AnyElement {
1956        let uri: SharedString = resource_link.uri.clone().into();
1957
1958        let label: SharedString = if let Some(path) = resource_link.uri.strip_prefix("file://") {
1959            path.to_string().into()
1960        } else {
1961            uri.clone()
1962        };
1963
1964        let button_id = SharedString::from(format!("item-{}", uri));
1965
1966        div()
1967            .ml(px(7.))
1968            .pl_2p5()
1969            .border_l_1()
1970            .border_color(self.tool_card_border_color(cx))
1971            .overflow_hidden()
1972            .child(
1973                Button::new(button_id, label)
1974                    .label_size(LabelSize::Small)
1975                    .color(Color::Muted)
1976                    .icon(IconName::ArrowUpRight)
1977                    .icon_size(IconSize::XSmall)
1978                    .icon_color(Color::Muted)
1979                    .truncate(true)
1980                    .on_click(cx.listener({
1981                        let workspace = self.workspace.clone();
1982                        move |_, _, window, cx: &mut Context<Self>| {
1983                            Self::open_link(uri.clone(), &workspace, window, cx);
1984                        }
1985                    })),
1986            )
1987            .into_any_element()
1988    }
1989
1990    fn render_permission_buttons(
1991        &self,
1992        options: &[acp::PermissionOption],
1993        entry_ix: usize,
1994        tool_call_id: acp::ToolCallId,
1995        empty_content: bool,
1996        cx: &Context<Self>,
1997    ) -> Div {
1998        h_flex()
1999            .py_1()
2000            .pl_2()
2001            .pr_1()
2002            .gap_1()
2003            .justify_between()
2004            .flex_wrap()
2005            .when(!empty_content, |this| {
2006                this.border_t_1()
2007                    .border_color(self.tool_card_border_color(cx))
2008            })
2009            .child(
2010                div()
2011                    .min_w(rems_from_px(145.))
2012                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
2013            )
2014            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
2015                let option_id = SharedString::from(option.id.0.clone());
2016                Button::new((option_id, entry_ix), option.name.clone())
2017                    .map(|this| match option.kind {
2018                        acp::PermissionOptionKind::AllowOnce => {
2019                            this.icon(IconName::Check).icon_color(Color::Success)
2020                        }
2021                        acp::PermissionOptionKind::AllowAlways => {
2022                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
2023                        }
2024                        acp::PermissionOptionKind::RejectOnce => {
2025                            this.icon(IconName::Close).icon_color(Color::Error)
2026                        }
2027                        acp::PermissionOptionKind::RejectAlways => {
2028                            this.icon(IconName::Close).icon_color(Color::Error)
2029                        }
2030                    })
2031                    .icon_position(IconPosition::Start)
2032                    .icon_size(IconSize::XSmall)
2033                    .label_size(LabelSize::Small)
2034                    .on_click(cx.listener({
2035                        let tool_call_id = tool_call_id.clone();
2036                        let option_id = option.id.clone();
2037                        let option_kind = option.kind;
2038                        move |this, _, _, cx| {
2039                            this.authorize_tool_call(
2040                                tool_call_id.clone(),
2041                                option_id.clone(),
2042                                option_kind,
2043                                cx,
2044                            );
2045                        }
2046                    }))
2047            })))
2048    }
2049
2050    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2051        let bar = |n: u64, width_class: &str| {
2052            let bg_color = cx.theme().colors().element_active;
2053            let base = h_flex().h_1().rounded_full();
2054
2055            let modified = match width_class {
2056                "w_4_5" => base.w_3_4(),
2057                "w_1_4" => base.w_1_4(),
2058                "w_2_4" => base.w_2_4(),
2059                "w_3_5" => base.w_3_5(),
2060                "w_2_5" => base.w_2_5(),
2061                _ => base.w_1_2(),
2062            };
2063
2064            modified.with_animation(
2065                ElementId::Integer(n),
2066                Animation::new(Duration::from_secs(2)).repeat(),
2067                move |tab, delta| {
2068                    let delta = (delta - 0.15 * n as f32) / 0.7;
2069                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2070                    let delta = ease_in_out(delta.clamp(0., 1.));
2071                    let delta = 0.1 + 0.9 * delta;
2072
2073                    tab.bg(bg_color.opacity(delta))
2074                },
2075            )
2076        };
2077
2078        v_flex()
2079            .p_3()
2080            .gap_1()
2081            .rounded_b_md()
2082            .bg(cx.theme().colors().editor_background)
2083            .child(bar(0, "w_4_5"))
2084            .child(bar(1, "w_1_4"))
2085            .child(bar(2, "w_2_4"))
2086            .child(bar(3, "w_3_5"))
2087            .child(bar(4, "w_2_5"))
2088            .into_any_element()
2089    }
2090
2091    fn render_diff_editor(
2092        &self,
2093        entry_ix: usize,
2094        diff: &Entity<acp_thread::Diff>,
2095        tool_call: &ToolCall,
2096        cx: &Context<Self>,
2097    ) -> AnyElement {
2098        let tool_progress = matches!(
2099            &tool_call.status,
2100            ToolCallStatus::InProgress | ToolCallStatus::Pending
2101        );
2102
2103        v_flex()
2104            .h_full()
2105            .child(
2106                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2107                    && let Some(editor) = entry.editor_for_diff(diff)
2108                    && diff.read(cx).has_revealed_range(cx)
2109                {
2110                    editor.into_any_element()
2111                } else if tool_progress && self.as_native_connection(cx).is_some() {
2112                    self.render_diff_loading(cx)
2113                } else {
2114                    Empty.into_any()
2115                },
2116            )
2117            .into_any()
2118    }
2119
2120    fn render_terminal_tool_call(
2121        &self,
2122        entry_ix: usize,
2123        terminal: &Entity<acp_thread::Terminal>,
2124        tool_call: &ToolCall,
2125        window: &Window,
2126        cx: &Context<Self>,
2127    ) -> AnyElement {
2128        let terminal_data = terminal.read(cx);
2129        let working_dir = terminal_data.working_dir();
2130        let command = terminal_data.command();
2131        let started_at = terminal_data.started_at();
2132
2133        let tool_failed = matches!(
2134            &tool_call.status,
2135            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2136        );
2137
2138        let output = terminal_data.output();
2139        let command_finished = output.is_some();
2140        let truncated_output = output.is_some_and(|output| output.was_content_truncated);
2141        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2142
2143        let command_failed = command_finished
2144            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2145
2146        let time_elapsed = if let Some(output) = output {
2147            output.ended_at.duration_since(started_at)
2148        } else {
2149            started_at.elapsed()
2150        };
2151
2152        let header_bg = cx
2153            .theme()
2154            .colors()
2155            .element_background
2156            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2157        let border_color = cx.theme().colors().border.opacity(0.6);
2158
2159        let working_dir = working_dir
2160            .as_ref()
2161            .map(|path| format!("{}", path.display()))
2162            .unwrap_or_else(|| "current directory".to_string());
2163
2164        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2165
2166        let header = h_flex()
2167            .id(SharedString::from(format!(
2168                "terminal-tool-header-{}",
2169                terminal.entity_id()
2170            )))
2171            .flex_none()
2172            .gap_1()
2173            .justify_between()
2174            .rounded_t_md()
2175            .child(
2176                div()
2177                    .id(("command-target-path", terminal.entity_id()))
2178                    .w_full()
2179                    .max_w_full()
2180                    .overflow_x_scroll()
2181                    .child(
2182                        Label::new(working_dir)
2183                            .buffer_font(cx)
2184                            .size(LabelSize::XSmall)
2185                            .color(Color::Muted),
2186                    ),
2187            )
2188            .when(!command_finished, |header| {
2189                header
2190                    .gap_1p5()
2191                    .child(
2192                        Button::new(
2193                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2194                            "Stop",
2195                        )
2196                        .icon(IconName::Stop)
2197                        .icon_position(IconPosition::Start)
2198                        .icon_size(IconSize::Small)
2199                        .icon_color(Color::Error)
2200                        .label_size(LabelSize::Small)
2201                        .tooltip(move |window, cx| {
2202                            Tooltip::with_meta(
2203                                "Stop This Command",
2204                                None,
2205                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2206                                window,
2207                                cx,
2208                            )
2209                        })
2210                        .on_click({
2211                            let terminal = terminal.clone();
2212                            cx.listener(move |_this, _event, _window, cx| {
2213                                let inner_terminal = terminal.read(cx).inner().clone();
2214                                inner_terminal.update(cx, |inner_terminal, _cx| {
2215                                    inner_terminal.kill_active_task();
2216                                });
2217                            })
2218                        }),
2219                    )
2220                    .child(Divider::vertical())
2221                    .child(
2222                        Icon::new(IconName::ArrowCircle)
2223                            .size(IconSize::XSmall)
2224                            .color(Color::Info)
2225                            .with_animation(
2226                                "arrow-circle",
2227                                Animation::new(Duration::from_secs(2)).repeat(),
2228                                |icon, delta| {
2229                                    icon.transform(Transformation::rotate(percentage(delta)))
2230                                },
2231                            ),
2232                    )
2233            })
2234            .when(tool_failed || command_failed, |header| {
2235                header.child(
2236                    div()
2237                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2238                        .child(
2239                            Icon::new(IconName::Close)
2240                                .size(IconSize::Small)
2241                                .color(Color::Error),
2242                        )
2243                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2244                            this.tooltip(Tooltip::text(format!(
2245                                "Exited with code {}",
2246                                status.code().unwrap_or(-1),
2247                            )))
2248                        }),
2249                )
2250            })
2251            .when(truncated_output, |header| {
2252                let tooltip = if let Some(output) = output {
2253                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2254                        "Output exceeded terminal max lines and was \
2255                            truncated, the model received the first 16 KB."
2256                            .to_string()
2257                    } else {
2258                        format!(
2259                            "Output is {} long, and to avoid unexpected token usage, \
2260                                only 16 KB was sent back to the model.",
2261                            format_file_size(output.original_content_len as u64, true),
2262                        )
2263                    }
2264                } else {
2265                    "Output was truncated".to_string()
2266                };
2267
2268                header.child(
2269                    h_flex()
2270                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2271                        .gap_1()
2272                        .child(
2273                            Icon::new(IconName::Info)
2274                                .size(IconSize::XSmall)
2275                                .color(Color::Ignored),
2276                        )
2277                        .child(
2278                            Label::new("Truncated")
2279                                .color(Color::Muted)
2280                                .size(LabelSize::XSmall),
2281                        )
2282                        .tooltip(Tooltip::text(tooltip)),
2283                )
2284            })
2285            .when(time_elapsed > Duration::from_secs(10), |header| {
2286                header.child(
2287                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2288                        .buffer_font(cx)
2289                        .color(Color::Muted)
2290                        .size(LabelSize::XSmall),
2291                )
2292            })
2293            .child(
2294                Disclosure::new(
2295                    SharedString::from(format!(
2296                        "terminal-tool-disclosure-{}",
2297                        terminal.entity_id()
2298                    )),
2299                    is_expanded,
2300                )
2301                .opened_icon(IconName::ChevronUp)
2302                .closed_icon(IconName::ChevronDown)
2303                .on_click(cx.listener({
2304                    let id = tool_call.id.clone();
2305                    move |this, _event, _window, _cx| {
2306                        if is_expanded {
2307                            this.expanded_tool_calls.remove(&id);
2308                        } else {
2309                            this.expanded_tool_calls.insert(id.clone());
2310                        }
2311                    }
2312                })),
2313            );
2314
2315        let terminal_view = self
2316            .entry_view_state
2317            .read(cx)
2318            .entry(entry_ix)
2319            .and_then(|entry| entry.terminal(terminal));
2320        let show_output = is_expanded && terminal_view.is_some();
2321
2322        v_flex()
2323            .mb_2()
2324            .border_1()
2325            .when(tool_failed || command_failed, |card| card.border_dashed())
2326            .border_color(border_color)
2327            .rounded_md()
2328            .overflow_hidden()
2329            .child(
2330                v_flex()
2331                    .py_1p5()
2332                    .pl_2()
2333                    .pr_1p5()
2334                    .gap_0p5()
2335                    .bg(header_bg)
2336                    .text_xs()
2337                    .child(header)
2338                    .child(
2339                        MarkdownElement::new(
2340                            command.clone(),
2341                            terminal_command_markdown_style(window, cx),
2342                        )
2343                        .code_block_renderer(
2344                            markdown::CodeBlockRenderer::Default {
2345                                copy_button: false,
2346                                copy_button_on_hover: true,
2347                                border: false,
2348                            },
2349                        ),
2350                    ),
2351            )
2352            .when(show_output, |this| {
2353                this.child(
2354                    div()
2355                        .pt_2()
2356                        .border_t_1()
2357                        .when(tool_failed || command_failed, |card| card.border_dashed())
2358                        .border_color(border_color)
2359                        .bg(cx.theme().colors().editor_background)
2360                        .rounded_b_md()
2361                        .text_ui_sm(cx)
2362                        .children(terminal_view.clone()),
2363                )
2364            })
2365            .into_any()
2366    }
2367
2368    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2369        let project_context = self
2370            .as_native_thread(cx)?
2371            .read(cx)
2372            .project_context()
2373            .read(cx);
2374
2375        let user_rules_text = if project_context.user_rules.is_empty() {
2376            None
2377        } else if project_context.user_rules.len() == 1 {
2378            let user_rules = &project_context.user_rules[0];
2379
2380            match user_rules.title.as_ref() {
2381                Some(title) => Some(format!("Using \"{title}\" user rule")),
2382                None => Some("Using user rule".into()),
2383            }
2384        } else {
2385            Some(format!(
2386                "Using {} user rules",
2387                project_context.user_rules.len()
2388            ))
2389        };
2390
2391        let first_user_rules_id = project_context
2392            .user_rules
2393            .first()
2394            .map(|user_rules| user_rules.uuid.0);
2395
2396        let rules_files = project_context
2397            .worktrees
2398            .iter()
2399            .filter_map(|worktree| worktree.rules_file.as_ref())
2400            .collect::<Vec<_>>();
2401
2402        let rules_file_text = match rules_files.as_slice() {
2403            &[] => None,
2404            &[rules_file] => Some(format!(
2405                "Using project {:?} file",
2406                rules_file.path_in_worktree
2407            )),
2408            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2409        };
2410
2411        if user_rules_text.is_none() && rules_file_text.is_none() {
2412            return None;
2413        }
2414
2415        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2416
2417        Some(
2418            h_flex()
2419                .px_2p5()
2420                .pb_1()
2421                .child(
2422                    Icon::new(IconName::Attach)
2423                        .size(IconSize::XSmall)
2424                        .color(Color::Disabled),
2425                )
2426                .when_some(user_rules_text, |parent, user_rules_text| {
2427                    parent.child(
2428                        h_flex()
2429                            .id("user-rules")
2430                            .ml_1()
2431                            .mr_1p5()
2432                            .child(
2433                                Label::new(user_rules_text)
2434                                    .size(LabelSize::XSmall)
2435                                    .color(Color::Muted)
2436                                    .truncate()
2437                                    .buffer_font(cx),
2438                            )
2439                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2440                            .tooltip(Tooltip::text("View User Rules"))
2441                            .on_click(move |_event, window, cx| {
2442                                window.dispatch_action(
2443                                    Box::new(OpenRulesLibrary {
2444                                        prompt_to_select: first_user_rules_id,
2445                                    }),
2446                                    cx,
2447                                )
2448                            }),
2449                    )
2450                })
2451                .when(has_both, |this| this.child(Divider::vertical()))
2452                .when_some(rules_file_text, |parent, rules_file_text| {
2453                    parent.child(
2454                        h_flex()
2455                            .id("project-rules")
2456                            .ml_1p5()
2457                            .child(
2458                                Label::new(rules_file_text)
2459                                    .size(LabelSize::XSmall)
2460                                    .color(Color::Muted)
2461                                    .buffer_font(cx),
2462                            )
2463                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2464                            .tooltip(Tooltip::text("View Project Rules"))
2465                            .on_click(cx.listener(Self::handle_open_rules)),
2466                    )
2467                })
2468                .into_any(),
2469        )
2470    }
2471
2472    fn render_empty_state_section_header(
2473        &self,
2474        label: impl Into<SharedString>,
2475        action_slot: Option<AnyElement>,
2476        cx: &mut Context<Self>,
2477    ) -> impl IntoElement {
2478        div().pl_1().pr_1p5().child(
2479            h_flex()
2480                .mt_2()
2481                .pl_1p5()
2482                .pb_1()
2483                .w_full()
2484                .justify_between()
2485                .border_b_1()
2486                .border_color(cx.theme().colors().border_variant)
2487                .child(
2488                    Label::new(label.into())
2489                        .size(LabelSize::Small)
2490                        .color(Color::Muted),
2491                )
2492                .children(action_slot),
2493        )
2494    }
2495
2496    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2497        let render_history = self
2498            .agent
2499            .clone()
2500            .downcast::<agent2::NativeAgentServer>()
2501            .is_some()
2502            && self
2503                .history_store
2504                .update(cx, |history_store, cx| !history_store.is_empty(cx));
2505
2506        v_flex()
2507            .size_full()
2508            .when(render_history, |this| {
2509                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
2510                    history_store.entries().take(3).collect()
2511                });
2512                this.justify_end().child(
2513                    v_flex()
2514                        .child(
2515                            self.render_empty_state_section_header(
2516                                "Recent",
2517                                Some(
2518                                    Button::new("view-history", "View All")
2519                                        .style(ButtonStyle::Subtle)
2520                                        .label_size(LabelSize::Small)
2521                                        .key_binding(
2522                                            KeyBinding::for_action_in(
2523                                                &OpenHistory,
2524                                                &self.focus_handle(cx),
2525                                                window,
2526                                                cx,
2527                                            )
2528                                            .map(|kb| kb.size(rems_from_px(12.))),
2529                                        )
2530                                        .on_click(move |_event, window, cx| {
2531                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2532                                        })
2533                                        .into_any_element(),
2534                                ),
2535                                cx,
2536                            ),
2537                        )
2538                        .child(
2539                            v_flex().p_1().pr_1p5().gap_1().children(
2540                                recent_history
2541                                    .into_iter()
2542                                    .enumerate()
2543                                    .map(|(index, entry)| {
2544                                        // TODO: Add keyboard navigation.
2545                                        let is_hovered =
2546                                            self.hovered_recent_history_item == Some(index);
2547                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2548                                            entry,
2549                                            cx.entity().downgrade(),
2550                                        )
2551                                        .hovered(is_hovered)
2552                                        .on_hover(cx.listener(
2553                                            move |this, is_hovered, _window, cx| {
2554                                                if *is_hovered {
2555                                                    this.hovered_recent_history_item = Some(index);
2556                                                } else if this.hovered_recent_history_item
2557                                                    == Some(index)
2558                                                {
2559                                                    this.hovered_recent_history_item = None;
2560                                                }
2561                                                cx.notify();
2562                                            },
2563                                        ))
2564                                        .into_any_element()
2565                                    }),
2566                            ),
2567                        ),
2568                )
2569            })
2570            .into_any()
2571    }
2572
2573    fn render_auth_required_state(
2574        &self,
2575        connection: &Rc<dyn AgentConnection>,
2576        description: Option<&Entity<Markdown>>,
2577        configuration_view: Option<&AnyView>,
2578        pending_auth_method: Option<&acp::AuthMethodId>,
2579        window: &mut Window,
2580        cx: &Context<Self>,
2581    ) -> Div {
2582        v_flex().flex_1().size_full().justify_end().child(
2583            v_flex()
2584                .p_2()
2585                .pr_3()
2586                .w_full()
2587                .border_t_1()
2588                .border_color(cx.theme().colors().border)
2589                .bg(cx.theme().status().warning.opacity(0.04))
2590                .child(
2591                    h_flex()
2592                        .gap_1p5()
2593                        .child(
2594                            Icon::new(IconName::Warning)
2595                                .color(Color::Warning)
2596                                .size(IconSize::Small),
2597                        )
2598                        .child(Label::new("Authentication Required")),
2599                )
2600                .children(description.map(|desc| {
2601                    div().text_ui(cx).child(self.render_markdown(
2602                        desc.clone(),
2603                        default_markdown_style(false, false, window, cx),
2604                    ))
2605                }))
2606                .children(
2607                    configuration_view
2608                        .cloned()
2609                        .map(|view| div().w_full().child(view)),
2610                )
2611                .when(
2612                    configuration_view.is_none()
2613                        && description.is_none()
2614                        && pending_auth_method.is_none(),
2615                    |el| {
2616                        el.child(
2617                            Label::new(format!(
2618                                "You are not currently authenticated with {}. Please choose one of the following options:",
2619                                self.agent.name()
2620                            ))
2621                            .color(Color::Muted)
2622                            .mb_1()
2623                            .ml_5(),
2624                        )
2625                    },
2626                )
2627                .when(!connection.auth_methods().is_empty(), |this| {
2628                    this.child(
2629                        h_flex().justify_end().flex_wrap().gap_1().children(
2630                            connection.auth_methods().iter().enumerate().rev().map(
2631                                |(ix, method)| {
2632                                    Button::new(
2633                                        SharedString::from(method.id.0.clone()),
2634                                        method.name.clone(),
2635                                    )
2636                                    .when(ix == 0, |el| {
2637                                        el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
2638                                    })
2639                                    .on_click({
2640                                        let method_id = method.id.clone();
2641                                        cx.listener(move |this, _, window, cx| {
2642                                            this.authenticate(method_id.clone(), window, cx)
2643                                        })
2644                                    })
2645                                },
2646                            ),
2647                        ),
2648                    )
2649                })
2650                .when_some(pending_auth_method, |el, _| {
2651                    el.child(
2652                        h_flex()
2653                            .py_4()
2654                            .w_full()
2655                            .justify_center()
2656                            .gap_1()
2657                            .child(
2658                                Icon::new(IconName::ArrowCircle)
2659                                    .size(IconSize::Small)
2660                                    .color(Color::Muted)
2661                                    .with_animation(
2662                                        "arrow-circle",
2663                                        Animation::new(Duration::from_secs(2)).repeat(),
2664                                        |icon, delta| {
2665                                            icon.transform(Transformation::rotate(percentage(
2666                                                delta,
2667                                            )))
2668                                        },
2669                                    )
2670                                    .into_any_element(),
2671                            )
2672                            .child(Label::new("Authenticating…")),
2673                    )
2674                }),
2675        )
2676    }
2677
2678    fn render_load_error(&self, e: &LoadError, cx: &Context<Self>) -> AnyElement {
2679        let (message, action_slot) = match e {
2680            LoadError::NotInstalled {
2681                error_message,
2682                install_message,
2683                install_command,
2684            } => {
2685                let install_command = install_command.clone();
2686                let button = Button::new("install", install_message)
2687                    .tooltip(Tooltip::text(install_command.clone()))
2688                    .style(ButtonStyle::Outlined)
2689                    .label_size(LabelSize::Small)
2690                    .icon(IconName::Download)
2691                    .icon_size(IconSize::Small)
2692                    .icon_color(Color::Muted)
2693                    .icon_position(IconPosition::Start)
2694                    .on_click(cx.listener(move |this, _, window, cx| {
2695                        let task = this
2696                            .workspace
2697                            .update(cx, |workspace, cx| {
2698                                let project = workspace.project().read(cx);
2699                                let cwd = project.first_project_directory(cx);
2700                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2701                                let spawn_in_terminal = task::SpawnInTerminal {
2702                                    id: task::TaskId("install".to_string()),
2703                                    full_label: install_command.clone(),
2704                                    label: install_command.clone(),
2705                                    command: Some(install_command.clone()),
2706                                    args: Vec::new(),
2707                                    command_label: install_command.clone(),
2708                                    cwd,
2709                                    env: Default::default(),
2710                                    use_new_terminal: true,
2711                                    allow_concurrent_runs: true,
2712                                    reveal: Default::default(),
2713                                    reveal_target: Default::default(),
2714                                    hide: Default::default(),
2715                                    shell,
2716                                    show_summary: true,
2717                                    show_command: true,
2718                                    show_rerun: false,
2719                                };
2720                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2721                            })
2722                            .ok();
2723                        let Some(task) = task else { return };
2724                        cx.spawn_in(window, async move |this, cx| {
2725                            if let Some(Ok(_)) = task.await {
2726                                this.update_in(cx, |this, window, cx| {
2727                                    this.reset(window, cx);
2728                                })
2729                                .ok();
2730                            }
2731                        })
2732                        .detach()
2733                    }));
2734
2735                (error_message.clone(), Some(button.into_any_element()))
2736            }
2737            LoadError::Unsupported {
2738                error_message,
2739                upgrade_message,
2740                upgrade_command,
2741            } => {
2742                let upgrade_command = upgrade_command.clone();
2743                let button = Button::new("upgrade", upgrade_message)
2744                    .tooltip(Tooltip::text(upgrade_command.clone()))
2745                    .style(ButtonStyle::Outlined)
2746                    .label_size(LabelSize::Small)
2747                    .icon(IconName::Download)
2748                    .icon_size(IconSize::Small)
2749                    .icon_color(Color::Muted)
2750                    .icon_position(IconPosition::Start)
2751                    .on_click(cx.listener(move |this, _, window, cx| {
2752                        let task = this
2753                            .workspace
2754                            .update(cx, |workspace, cx| {
2755                                let project = workspace.project().read(cx);
2756                                let cwd = project.first_project_directory(cx);
2757                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2758                                let spawn_in_terminal = task::SpawnInTerminal {
2759                                    id: task::TaskId("upgrade".to_string()),
2760                                    full_label: upgrade_command.clone(),
2761                                    label: upgrade_command.clone(),
2762                                    command: Some(upgrade_command.clone()),
2763                                    args: Vec::new(),
2764                                    command_label: upgrade_command.clone(),
2765                                    cwd,
2766                                    env: Default::default(),
2767                                    use_new_terminal: true,
2768                                    allow_concurrent_runs: true,
2769                                    reveal: Default::default(),
2770                                    reveal_target: Default::default(),
2771                                    hide: Default::default(),
2772                                    shell,
2773                                    show_summary: true,
2774                                    show_command: true,
2775                                    show_rerun: false,
2776                                };
2777                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2778                            })
2779                            .ok();
2780                        let Some(task) = task else { return };
2781                        cx.spawn_in(window, async move |this, cx| {
2782                            if let Some(Ok(_)) = task.await {
2783                                this.update_in(cx, |this, window, cx| {
2784                                    this.reset(window, cx);
2785                                })
2786                                .ok();
2787                            }
2788                        })
2789                        .detach()
2790                    }));
2791
2792                (error_message.clone(), Some(button.into_any_element()))
2793            }
2794            LoadError::Exited { .. } => ("Server exited with status {status}".into(), None),
2795            LoadError::Other(msg) => (
2796                msg.into(),
2797                Some(self.create_copy_button(msg.to_string()).into_any_element()),
2798            ),
2799        };
2800
2801        Callout::new()
2802            .severity(Severity::Error)
2803            .icon(IconName::XCircleFilled)
2804            .title("Failed to Launch")
2805            .description(message)
2806            .actions_slot(div().children(action_slot))
2807            .into_any_element()
2808    }
2809
2810    fn render_activity_bar(
2811        &self,
2812        thread_entity: &Entity<AcpThread>,
2813        window: &mut Window,
2814        cx: &Context<Self>,
2815    ) -> Option<AnyElement> {
2816        let thread = thread_entity.read(cx);
2817        let action_log = thread.action_log();
2818        let changed_buffers = action_log.read(cx).changed_buffers(cx);
2819        let plan = thread.plan();
2820
2821        if changed_buffers.is_empty() && plan.is_empty() {
2822            return None;
2823        }
2824
2825        let editor_bg_color = cx.theme().colors().editor_background;
2826        let active_color = cx.theme().colors().element_selected;
2827        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
2828
2829        let pending_edits = thread.has_pending_edit_tool_calls();
2830
2831        v_flex()
2832            .mt_1()
2833            .mx_2()
2834            .bg(bg_edit_files_disclosure)
2835            .border_1()
2836            .border_b_0()
2837            .border_color(cx.theme().colors().border)
2838            .rounded_t_md()
2839            .shadow(vec![gpui::BoxShadow {
2840                color: gpui::black().opacity(0.15),
2841                offset: point(px(1.), px(-1.)),
2842                blur_radius: px(3.),
2843                spread_radius: px(0.),
2844            }])
2845            .when(!plan.is_empty(), |this| {
2846                this.child(self.render_plan_summary(plan, window, cx))
2847                    .when(self.plan_expanded, |parent| {
2848                        parent.child(self.render_plan_entries(plan, window, cx))
2849                    })
2850            })
2851            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
2852                this.child(Divider::horizontal().color(DividerColor::Border))
2853            })
2854            .when(!changed_buffers.is_empty(), |this| {
2855                this.child(self.render_edits_summary(
2856                    &changed_buffers,
2857                    self.edits_expanded,
2858                    pending_edits,
2859                    window,
2860                    cx,
2861                ))
2862                .when(self.edits_expanded, |parent| {
2863                    parent.child(self.render_edited_files(
2864                        action_log,
2865                        &changed_buffers,
2866                        pending_edits,
2867                        cx,
2868                    ))
2869                })
2870            })
2871            .into_any()
2872            .into()
2873    }
2874
2875    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2876        let stats = plan.stats();
2877
2878        let title = if let Some(entry) = stats.in_progress_entry
2879            && !self.plan_expanded
2880        {
2881            h_flex()
2882                .w_full()
2883                .cursor_default()
2884                .gap_1()
2885                .text_xs()
2886                .text_color(cx.theme().colors().text_muted)
2887                .justify_between()
2888                .child(
2889                    h_flex()
2890                        .gap_1()
2891                        .child(
2892                            Label::new("Current:")
2893                                .size(LabelSize::Small)
2894                                .color(Color::Muted),
2895                        )
2896                        .child(MarkdownElement::new(
2897                            entry.content.clone(),
2898                            plan_label_markdown_style(&entry.status, window, cx),
2899                        )),
2900                )
2901                .when(stats.pending > 0, |this| {
2902                    this.child(
2903                        Label::new(format!("{} left", stats.pending))
2904                            .size(LabelSize::Small)
2905                            .color(Color::Muted)
2906                            .mr_1(),
2907                    )
2908                })
2909        } else {
2910            let status_label = if stats.pending == 0 {
2911                "All Done".to_string()
2912            } else if stats.completed == 0 {
2913                format!("{} Tasks", plan.entries.len())
2914            } else {
2915                format!("{}/{}", stats.completed, plan.entries.len())
2916            };
2917
2918            h_flex()
2919                .w_full()
2920                .gap_1()
2921                .justify_between()
2922                .child(
2923                    Label::new("Plan")
2924                        .size(LabelSize::Small)
2925                        .color(Color::Muted),
2926                )
2927                .child(
2928                    Label::new(status_label)
2929                        .size(LabelSize::Small)
2930                        .color(Color::Muted)
2931                        .mr_1(),
2932                )
2933        };
2934
2935        h_flex()
2936            .p_1()
2937            .justify_between()
2938            .when(self.plan_expanded, |this| {
2939                this.border_b_1().border_color(cx.theme().colors().border)
2940            })
2941            .child(
2942                h_flex()
2943                    .id("plan_summary")
2944                    .w_full()
2945                    .gap_1()
2946                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
2947                    .child(title)
2948                    .on_click(cx.listener(|this, _, _, cx| {
2949                        this.plan_expanded = !this.plan_expanded;
2950                        cx.notify();
2951                    })),
2952            )
2953    }
2954
2955    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2956        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
2957            let element = h_flex()
2958                .py_1()
2959                .px_2()
2960                .gap_2()
2961                .justify_between()
2962                .bg(cx.theme().colors().editor_background)
2963                .when(index < plan.entries.len() - 1, |parent| {
2964                    parent.border_color(cx.theme().colors().border).border_b_1()
2965                })
2966                .child(
2967                    h_flex()
2968                        .id(("plan_entry", index))
2969                        .gap_1p5()
2970                        .max_w_full()
2971                        .overflow_x_scroll()
2972                        .text_xs()
2973                        .text_color(cx.theme().colors().text_muted)
2974                        .child(match entry.status {
2975                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
2976                                .size(IconSize::Small)
2977                                .color(Color::Muted)
2978                                .into_any_element(),
2979                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
2980                                .size(IconSize::Small)
2981                                .color(Color::Accent)
2982                                .with_animation(
2983                                    "running",
2984                                    Animation::new(Duration::from_secs(2)).repeat(),
2985                                    |icon, delta| {
2986                                        icon.transform(Transformation::rotate(percentage(delta)))
2987                                    },
2988                                )
2989                                .into_any_element(),
2990                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
2991                                .size(IconSize::Small)
2992                                .color(Color::Success)
2993                                .into_any_element(),
2994                        })
2995                        .child(MarkdownElement::new(
2996                            entry.content.clone(),
2997                            plan_label_markdown_style(&entry.status, window, cx),
2998                        )),
2999                );
3000
3001            Some(element)
3002        }))
3003    }
3004
3005    fn render_edits_summary(
3006        &self,
3007        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3008        expanded: bool,
3009        pending_edits: bool,
3010        window: &mut Window,
3011        cx: &Context<Self>,
3012    ) -> Div {
3013        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3014
3015        let focus_handle = self.focus_handle(cx);
3016
3017        h_flex()
3018            .p_1()
3019            .justify_between()
3020            .when(expanded, |this| {
3021                this.border_b_1().border_color(cx.theme().colors().border)
3022            })
3023            .child(
3024                h_flex()
3025                    .id("edits-container")
3026                    .w_full()
3027                    .gap_1()
3028                    .child(Disclosure::new("edits-disclosure", expanded))
3029                    .map(|this| {
3030                        if pending_edits {
3031                            this.child(
3032                                Label::new(format!(
3033                                    "Editing {} {}",
3034                                    changed_buffers.len(),
3035                                    if changed_buffers.len() == 1 {
3036                                        "file"
3037                                    } else {
3038                                        "files"
3039                                    }
3040                                ))
3041                                .color(Color::Muted)
3042                                .size(LabelSize::Small)
3043                                .with_animation(
3044                                    "edit-label",
3045                                    Animation::new(Duration::from_secs(2))
3046                                        .repeat()
3047                                        .with_easing(pulsating_between(0.3, 0.7)),
3048                                    |label, delta| label.alpha(delta),
3049                                ),
3050                            )
3051                        } else {
3052                            this.child(
3053                                Label::new("Edits")
3054                                    .size(LabelSize::Small)
3055                                    .color(Color::Muted),
3056                            )
3057                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3058                            .child(
3059                                Label::new(format!(
3060                                    "{} {}",
3061                                    changed_buffers.len(),
3062                                    if changed_buffers.len() == 1 {
3063                                        "file"
3064                                    } else {
3065                                        "files"
3066                                    }
3067                                ))
3068                                .size(LabelSize::Small)
3069                                .color(Color::Muted),
3070                            )
3071                        }
3072                    })
3073                    .on_click(cx.listener(|this, _, _, cx| {
3074                        this.edits_expanded = !this.edits_expanded;
3075                        cx.notify();
3076                    })),
3077            )
3078            .child(
3079                h_flex()
3080                    .gap_1()
3081                    .child(
3082                        IconButton::new("review-changes", IconName::ListTodo)
3083                            .icon_size(IconSize::Small)
3084                            .tooltip({
3085                                let focus_handle = focus_handle.clone();
3086                                move |window, cx| {
3087                                    Tooltip::for_action_in(
3088                                        "Review Changes",
3089                                        &OpenAgentDiff,
3090                                        &focus_handle,
3091                                        window,
3092                                        cx,
3093                                    )
3094                                }
3095                            })
3096                            .on_click(cx.listener(|_, _, window, cx| {
3097                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3098                            })),
3099                    )
3100                    .child(Divider::vertical().color(DividerColor::Border))
3101                    .child(
3102                        Button::new("reject-all-changes", "Reject All")
3103                            .label_size(LabelSize::Small)
3104                            .disabled(pending_edits)
3105                            .when(pending_edits, |this| {
3106                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3107                            })
3108                            .key_binding(
3109                                KeyBinding::for_action_in(
3110                                    &RejectAll,
3111                                    &focus_handle.clone(),
3112                                    window,
3113                                    cx,
3114                                )
3115                                .map(|kb| kb.size(rems_from_px(10.))),
3116                            )
3117                            .on_click(cx.listener(move |this, _, window, cx| {
3118                                this.reject_all(&RejectAll, window, cx);
3119                            })),
3120                    )
3121                    .child(
3122                        Button::new("keep-all-changes", "Keep All")
3123                            .label_size(LabelSize::Small)
3124                            .disabled(pending_edits)
3125                            .when(pending_edits, |this| {
3126                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3127                            })
3128                            .key_binding(
3129                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3130                                    .map(|kb| kb.size(rems_from_px(10.))),
3131                            )
3132                            .on_click(cx.listener(move |this, _, window, cx| {
3133                                this.keep_all(&KeepAll, window, cx);
3134                            })),
3135                    ),
3136            )
3137    }
3138
3139    fn render_edited_files(
3140        &self,
3141        action_log: &Entity<ActionLog>,
3142        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3143        pending_edits: bool,
3144        cx: &Context<Self>,
3145    ) -> Div {
3146        let editor_bg_color = cx.theme().colors().editor_background;
3147
3148        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3149            |(index, (buffer, _diff))| {
3150                let file = buffer.read(cx).file()?;
3151                let path = file.path();
3152
3153                let file_path = path.parent().and_then(|parent| {
3154                    let parent_str = parent.to_string_lossy();
3155
3156                    if parent_str.is_empty() {
3157                        None
3158                    } else {
3159                        Some(
3160                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3161                                .color(Color::Muted)
3162                                .size(LabelSize::XSmall)
3163                                .buffer_font(cx),
3164                        )
3165                    }
3166                });
3167
3168                let file_name = path.file_name().map(|name| {
3169                    Label::new(name.to_string_lossy().to_string())
3170                        .size(LabelSize::XSmall)
3171                        .buffer_font(cx)
3172                });
3173
3174                let file_icon = FileIcons::get_icon(path, cx)
3175                    .map(Icon::from_path)
3176                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3177                    .unwrap_or_else(|| {
3178                        Icon::new(IconName::File)
3179                            .color(Color::Muted)
3180                            .size(IconSize::Small)
3181                    });
3182
3183                let overlay_gradient = linear_gradient(
3184                    90.,
3185                    linear_color_stop(editor_bg_color, 1.),
3186                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3187                );
3188
3189                let element = h_flex()
3190                    .group("edited-code")
3191                    .id(("file-container", index))
3192                    .relative()
3193                    .py_1()
3194                    .pl_2()
3195                    .pr_1()
3196                    .gap_2()
3197                    .justify_between()
3198                    .bg(editor_bg_color)
3199                    .when(index < changed_buffers.len() - 1, |parent| {
3200                        parent.border_color(cx.theme().colors().border).border_b_1()
3201                    })
3202                    .child(
3203                        h_flex()
3204                            .id(("file-name", index))
3205                            .pr_8()
3206                            .gap_1p5()
3207                            .max_w_full()
3208                            .overflow_x_scroll()
3209                            .child(file_icon)
3210                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3211                            .on_click({
3212                                let buffer = buffer.clone();
3213                                cx.listener(move |this, _, window, cx| {
3214                                    this.open_edited_buffer(&buffer, window, cx);
3215                                })
3216                            }),
3217                    )
3218                    .child(
3219                        h_flex()
3220                            .gap_1()
3221                            .visible_on_hover("edited-code")
3222                            .child(
3223                                Button::new("review", "Review")
3224                                    .label_size(LabelSize::Small)
3225                                    .on_click({
3226                                        let buffer = buffer.clone();
3227                                        cx.listener(move |this, _, window, cx| {
3228                                            this.open_edited_buffer(&buffer, window, cx);
3229                                        })
3230                                    }),
3231                            )
3232                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3233                            .child(
3234                                Button::new("reject-file", "Reject")
3235                                    .label_size(LabelSize::Small)
3236                                    .disabled(pending_edits)
3237                                    .on_click({
3238                                        let buffer = buffer.clone();
3239                                        let action_log = action_log.clone();
3240                                        move |_, _, cx| {
3241                                            action_log.update(cx, |action_log, cx| {
3242                                                action_log
3243                                                    .reject_edits_in_ranges(
3244                                                        buffer.clone(),
3245                                                        vec![Anchor::MIN..Anchor::MAX],
3246                                                        cx,
3247                                                    )
3248                                                    .detach_and_log_err(cx);
3249                                            })
3250                                        }
3251                                    }),
3252                            )
3253                            .child(
3254                                Button::new("keep-file", "Keep")
3255                                    .label_size(LabelSize::Small)
3256                                    .disabled(pending_edits)
3257                                    .on_click({
3258                                        let buffer = buffer.clone();
3259                                        let action_log = action_log.clone();
3260                                        move |_, _, cx| {
3261                                            action_log.update(cx, |action_log, cx| {
3262                                                action_log.keep_edits_in_range(
3263                                                    buffer.clone(),
3264                                                    Anchor::MIN..Anchor::MAX,
3265                                                    cx,
3266                                                );
3267                                            })
3268                                        }
3269                                    }),
3270                            ),
3271                    )
3272                    .child(
3273                        div()
3274                            .id("gradient-overlay")
3275                            .absolute()
3276                            .h_full()
3277                            .w_12()
3278                            .top_0()
3279                            .bottom_0()
3280                            .right(px(152.))
3281                            .bg(overlay_gradient),
3282                    );
3283
3284                Some(element)
3285            },
3286        ))
3287    }
3288
3289    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3290        let focus_handle = self.message_editor.focus_handle(cx);
3291        let editor_bg_color = cx.theme().colors().editor_background;
3292        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3293            (IconName::Minimize, "Minimize Message Editor")
3294        } else {
3295            (IconName::Maximize, "Expand Message Editor")
3296        };
3297
3298        let backdrop = div()
3299            .size_full()
3300            .absolute()
3301            .inset_0()
3302            .bg(cx.theme().colors().panel_background)
3303            .opacity(0.8)
3304            .block_mouse_except_scroll();
3305
3306        let enable_editor = match self.thread_state {
3307            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3308            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3309        };
3310
3311        v_flex()
3312            .on_action(cx.listener(Self::expand_message_editor))
3313            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3314                if let Some(profile_selector) = this.profile_selector.as_ref() {
3315                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3316                }
3317            }))
3318            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3319                if let Some(model_selector) = this.model_selector.as_ref() {
3320                    model_selector
3321                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3322                }
3323            }))
3324            .p_2()
3325            .gap_2()
3326            .border_t_1()
3327            .border_color(cx.theme().colors().border)
3328            .bg(editor_bg_color)
3329            .when(self.editor_expanded, |this| {
3330                this.h(vh(0.8, window)).size_full().justify_between()
3331            })
3332            .child(
3333                v_flex()
3334                    .relative()
3335                    .size_full()
3336                    .pt_1()
3337                    .pr_2p5()
3338                    .child(self.message_editor.clone())
3339                    .child(
3340                        h_flex()
3341                            .absolute()
3342                            .top_0()
3343                            .right_0()
3344                            .opacity(0.5)
3345                            .hover(|this| this.opacity(1.0))
3346                            .child(
3347                                IconButton::new("toggle-height", expand_icon)
3348                                    .icon_size(IconSize::Small)
3349                                    .icon_color(Color::Muted)
3350                                    .tooltip({
3351                                        move |window, cx| {
3352                                            Tooltip::for_action_in(
3353                                                expand_tooltip,
3354                                                &ExpandMessageEditor,
3355                                                &focus_handle,
3356                                                window,
3357                                                cx,
3358                                            )
3359                                        }
3360                                    })
3361                                    .on_click(cx.listener(|_, _, window, cx| {
3362                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3363                                    })),
3364                            ),
3365                    ),
3366            )
3367            .child(
3368                h_flex()
3369                    .flex_none()
3370                    .flex_wrap()
3371                    .justify_between()
3372                    .child(
3373                        h_flex()
3374                            .child(self.render_follow_toggle(cx))
3375                            .children(self.render_burn_mode_toggle(cx)),
3376                    )
3377                    .child(
3378                        h_flex()
3379                            .gap_1()
3380                            .children(self.render_token_usage(cx))
3381                            .children(self.profile_selector.clone())
3382                            .children(self.model_selector.clone())
3383                            .child(self.render_send_button(cx)),
3384                    ),
3385            )
3386            .when(!enable_editor, |this| this.child(backdrop))
3387            .into_any()
3388    }
3389
3390    pub(crate) fn as_native_connection(
3391        &self,
3392        cx: &App,
3393    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3394        let acp_thread = self.thread()?.read(cx);
3395        acp_thread.connection().clone().downcast()
3396    }
3397
3398    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3399        let acp_thread = self.thread()?.read(cx);
3400        self.as_native_connection(cx)?
3401            .thread(acp_thread.session_id(), cx)
3402    }
3403
3404    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3405        self.as_native_thread(cx)
3406            .and_then(|thread| thread.read(cx).model())
3407            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3408    }
3409
3410    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3411        let thread = self.thread()?.read(cx);
3412        let usage = thread.token_usage()?;
3413        let is_generating = thread.status() != ThreadStatus::Idle;
3414
3415        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3416        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3417
3418        Some(
3419            h_flex()
3420                .flex_shrink_0()
3421                .gap_0p5()
3422                .mr_1p5()
3423                .child(
3424                    Label::new(used)
3425                        .size(LabelSize::Small)
3426                        .color(Color::Muted)
3427                        .map(|label| {
3428                            if is_generating {
3429                                label
3430                                    .with_animation(
3431                                        "used-tokens-label",
3432                                        Animation::new(Duration::from_secs(2))
3433                                            .repeat()
3434                                            .with_easing(pulsating_between(0.3, 0.8)),
3435                                        |label, delta| label.alpha(delta),
3436                                    )
3437                                    .into_any()
3438                            } else {
3439                                label.into_any_element()
3440                            }
3441                        }),
3442                )
3443                .child(
3444                    Label::new("/")
3445                        .size(LabelSize::Small)
3446                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3447                )
3448                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3449        )
3450    }
3451
3452    fn toggle_burn_mode(
3453        &mut self,
3454        _: &ToggleBurnMode,
3455        _window: &mut Window,
3456        cx: &mut Context<Self>,
3457    ) {
3458        let Some(thread) = self.as_native_thread(cx) else {
3459            return;
3460        };
3461
3462        thread.update(cx, |thread, cx| {
3463            let current_mode = thread.completion_mode();
3464            thread.set_completion_mode(
3465                match current_mode {
3466                    CompletionMode::Burn => CompletionMode::Normal,
3467                    CompletionMode::Normal => CompletionMode::Burn,
3468                },
3469                cx,
3470            );
3471        });
3472    }
3473
3474    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3475        let Some(thread) = self.thread() else {
3476            return;
3477        };
3478        let action_log = thread.read(cx).action_log().clone();
3479        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3480    }
3481
3482    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3483        let Some(thread) = self.thread() else {
3484            return;
3485        };
3486        let action_log = thread.read(cx).action_log().clone();
3487        action_log
3488            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3489            .detach();
3490    }
3491
3492    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3493        let thread = self.as_native_thread(cx)?.read(cx);
3494
3495        if thread
3496            .model()
3497            .is_none_or(|model| !model.supports_burn_mode())
3498        {
3499            return None;
3500        }
3501
3502        let active_completion_mode = thread.completion_mode();
3503        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3504        let icon = if burn_mode_enabled {
3505            IconName::ZedBurnModeOn
3506        } else {
3507            IconName::ZedBurnMode
3508        };
3509
3510        Some(
3511            IconButton::new("burn-mode", icon)
3512                .icon_size(IconSize::Small)
3513                .icon_color(Color::Muted)
3514                .toggle_state(burn_mode_enabled)
3515                .selected_icon_color(Color::Error)
3516                .on_click(cx.listener(|this, _event, window, cx| {
3517                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3518                }))
3519                .tooltip(move |_window, cx| {
3520                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3521                        .into()
3522                })
3523                .into_any_element(),
3524        )
3525    }
3526
3527    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3528        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3529        let is_generating = self
3530            .thread()
3531            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3532
3533        if is_generating && is_editor_empty {
3534            IconButton::new("stop-generation", IconName::Stop)
3535                .icon_color(Color::Error)
3536                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3537                .tooltip(move |window, cx| {
3538                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3539                })
3540                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3541                .into_any_element()
3542        } else {
3543            let send_btn_tooltip = if is_editor_empty && !is_generating {
3544                "Type to Send"
3545            } else if is_generating {
3546                "Stop and Send Message"
3547            } else {
3548                "Send"
3549            };
3550
3551            IconButton::new("send-message", IconName::Send)
3552                .style(ButtonStyle::Filled)
3553                .map(|this| {
3554                    if is_editor_empty && !is_generating {
3555                        this.disabled(true).icon_color(Color::Muted)
3556                    } else {
3557                        this.icon_color(Color::Accent)
3558                    }
3559                })
3560                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3561                .on_click(cx.listener(|this, _, window, cx| {
3562                    this.send(window, cx);
3563                }))
3564                .into_any_element()
3565        }
3566    }
3567
3568    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3569        let following = self
3570            .workspace
3571            .read_with(cx, |workspace, _| {
3572                workspace.is_being_followed(CollaboratorId::Agent)
3573            })
3574            .unwrap_or(false);
3575
3576        IconButton::new("follow-agent", IconName::Crosshair)
3577            .icon_size(IconSize::Small)
3578            .icon_color(Color::Muted)
3579            .toggle_state(following)
3580            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3581            .tooltip(move |window, cx| {
3582                if following {
3583                    Tooltip::for_action("Stop Following Agent", &Follow, window, cx)
3584                } else {
3585                    Tooltip::with_meta(
3586                        "Follow Agent",
3587                        Some(&Follow),
3588                        "Track the agent's location as it reads and edits files.",
3589                        window,
3590                        cx,
3591                    )
3592                }
3593            })
3594            .on_click(cx.listener(move |this, _, window, cx| {
3595                this.workspace
3596                    .update(cx, |workspace, cx| {
3597                        if following {
3598                            workspace.unfollow(CollaboratorId::Agent, window, cx);
3599                        } else {
3600                            workspace.follow(CollaboratorId::Agent, window, cx);
3601                        }
3602                    })
3603                    .ok();
3604            }))
3605    }
3606
3607    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
3608        let workspace = self.workspace.clone();
3609        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
3610            Self::open_link(text, &workspace, window, cx);
3611        })
3612    }
3613
3614    fn open_link(
3615        url: SharedString,
3616        workspace: &WeakEntity<Workspace>,
3617        window: &mut Window,
3618        cx: &mut App,
3619    ) {
3620        let Some(workspace) = workspace.upgrade() else {
3621            cx.open_url(&url);
3622            return;
3623        };
3624
3625        if let Some(mention) = MentionUri::parse(&url).log_err() {
3626            workspace.update(cx, |workspace, cx| match mention {
3627                MentionUri::File { abs_path } => {
3628                    let project = workspace.project();
3629                    let Some(path) =
3630                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
3631                    else {
3632                        return;
3633                    };
3634
3635                    workspace
3636                        .open_path(path, None, true, window, cx)
3637                        .detach_and_log_err(cx);
3638                }
3639                MentionUri::Directory { abs_path } => {
3640                    let project = workspace.project();
3641                    let Some(entry) = project.update(cx, |project, cx| {
3642                        let path = project.find_project_path(abs_path, cx)?;
3643                        project.entry_for_path(&path, cx)
3644                    }) else {
3645                        return;
3646                    };
3647
3648                    project.update(cx, |_, cx| {
3649                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
3650                    });
3651                }
3652                MentionUri::Symbol {
3653                    path, line_range, ..
3654                }
3655                | MentionUri::Selection { path, line_range } => {
3656                    let project = workspace.project();
3657                    let Some((path, _)) = project.update(cx, |project, cx| {
3658                        let path = project.find_project_path(path, cx)?;
3659                        let entry = project.entry_for_path(&path, cx)?;
3660                        Some((path, entry))
3661                    }) else {
3662                        return;
3663                    };
3664
3665                    let item = workspace.open_path(path, None, true, window, cx);
3666                    window
3667                        .spawn(cx, async move |cx| {
3668                            let Some(editor) = item.await?.downcast::<Editor>() else {
3669                                return Ok(());
3670                            };
3671                            let range =
3672                                Point::new(line_range.start, 0)..Point::new(line_range.start, 0);
3673                            editor
3674                                .update_in(cx, |editor, window, cx| {
3675                                    editor.change_selections(
3676                                        SelectionEffects::scroll(Autoscroll::center()),
3677                                        window,
3678                                        cx,
3679                                        |s| s.select_ranges(vec![range]),
3680                                    );
3681                                })
3682                                .ok();
3683                            anyhow::Ok(())
3684                        })
3685                        .detach_and_log_err(cx);
3686                }
3687                MentionUri::Thread { id, name } => {
3688                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3689                        panel.update(cx, |panel, cx| {
3690                            panel.load_agent_thread(
3691                                DbThreadMetadata {
3692                                    id,
3693                                    title: name.into(),
3694                                    updated_at: Default::default(),
3695                                },
3696                                window,
3697                                cx,
3698                            )
3699                        });
3700                    }
3701                }
3702                MentionUri::TextThread { path, .. } => {
3703                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3704                        panel.update(cx, |panel, cx| {
3705                            panel
3706                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
3707                                .detach_and_log_err(cx);
3708                        });
3709                    }
3710                }
3711                MentionUri::Rule { id, .. } => {
3712                    let PromptId::User { uuid } = id else {
3713                        return;
3714                    };
3715                    window.dispatch_action(
3716                        Box::new(OpenRulesLibrary {
3717                            prompt_to_select: Some(uuid.0),
3718                        }),
3719                        cx,
3720                    )
3721                }
3722                MentionUri::Fetch { url } => {
3723                    cx.open_url(url.as_str());
3724                }
3725            })
3726        } else {
3727            cx.open_url(&url);
3728        }
3729    }
3730
3731    fn open_tool_call_location(
3732        &self,
3733        entry_ix: usize,
3734        location_ix: usize,
3735        window: &mut Window,
3736        cx: &mut Context<Self>,
3737    ) -> Option<()> {
3738        let (tool_call_location, agent_location) = self
3739            .thread()?
3740            .read(cx)
3741            .entries()
3742            .get(entry_ix)?
3743            .location(location_ix)?;
3744
3745        let project_path = self
3746            .project
3747            .read(cx)
3748            .find_project_path(&tool_call_location.path, cx)?;
3749
3750        let open_task = self
3751            .workspace
3752            .update(cx, |workspace, cx| {
3753                workspace.open_path(project_path, None, true, window, cx)
3754            })
3755            .log_err()?;
3756        window
3757            .spawn(cx, async move |cx| {
3758                let item = open_task.await?;
3759
3760                let Some(active_editor) = item.downcast::<Editor>() else {
3761                    return anyhow::Ok(());
3762                };
3763
3764                active_editor.update_in(cx, |editor, window, cx| {
3765                    let multibuffer = editor.buffer().read(cx);
3766                    let buffer = multibuffer.as_singleton();
3767                    if agent_location.buffer.upgrade() == buffer {
3768                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
3769                        let anchor = editor::Anchor::in_buffer(
3770                            excerpt_id.unwrap(),
3771                            buffer.unwrap().read(cx).remote_id(),
3772                            agent_location.position,
3773                        );
3774                        editor.change_selections(Default::default(), window, cx, |selections| {
3775                            selections.select_anchor_ranges([anchor..anchor]);
3776                        })
3777                    } else {
3778                        let row = tool_call_location.line.unwrap_or_default();
3779                        editor.change_selections(Default::default(), window, cx, |selections| {
3780                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
3781                        })
3782                    }
3783                })?;
3784
3785                anyhow::Ok(())
3786            })
3787            .detach_and_log_err(cx);
3788
3789        None
3790    }
3791
3792    pub fn open_thread_as_markdown(
3793        &self,
3794        workspace: Entity<Workspace>,
3795        window: &mut Window,
3796        cx: &mut App,
3797    ) -> Task<anyhow::Result<()>> {
3798        let markdown_language_task = workspace
3799            .read(cx)
3800            .app_state()
3801            .languages
3802            .language_for_name("Markdown");
3803
3804        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
3805            let thread = thread.read(cx);
3806            (thread.title().to_string(), thread.to_markdown(cx))
3807        } else {
3808            return Task::ready(Ok(()));
3809        };
3810
3811        window.spawn(cx, async move |cx| {
3812            let markdown_language = markdown_language_task.await?;
3813
3814            workspace.update_in(cx, |workspace, window, cx| {
3815                let project = workspace.project().clone();
3816
3817                if !project.read(cx).is_local() {
3818                    bail!("failed to open active thread as markdown in remote project");
3819                }
3820
3821                let buffer = project.update(cx, |project, cx| {
3822                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
3823                });
3824                let buffer = cx.new(|cx| {
3825                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
3826                });
3827
3828                workspace.add_item_to_active_pane(
3829                    Box::new(cx.new(|cx| {
3830                        let mut editor =
3831                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
3832                        editor.set_breadcrumb_header(thread_summary);
3833                        editor
3834                    })),
3835                    None,
3836                    true,
3837                    window,
3838                    cx,
3839                );
3840
3841                anyhow::Ok(())
3842            })??;
3843            anyhow::Ok(())
3844        })
3845    }
3846
3847    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
3848        self.list_state.scroll_to(ListOffset::default());
3849        cx.notify();
3850    }
3851
3852    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
3853        if let Some(thread) = self.thread() {
3854            let entry_count = thread.read(cx).entries().len();
3855            self.list_state.reset(entry_count);
3856            cx.notify();
3857        }
3858    }
3859
3860    fn notify_with_sound(
3861        &mut self,
3862        caption: impl Into<SharedString>,
3863        icon: IconName,
3864        window: &mut Window,
3865        cx: &mut Context<Self>,
3866    ) {
3867        self.play_notification_sound(window, cx);
3868        self.show_notification(caption, icon, window, cx);
3869    }
3870
3871    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
3872        let settings = AgentSettings::get_global(cx);
3873        if settings.play_sound_when_agent_done && !window.is_window_active() {
3874            Audio::play_sound(Sound::AgentDone, cx);
3875        }
3876    }
3877
3878    fn show_notification(
3879        &mut self,
3880        caption: impl Into<SharedString>,
3881        icon: IconName,
3882        window: &mut Window,
3883        cx: &mut Context<Self>,
3884    ) {
3885        if window.is_window_active() || !self.notifications.is_empty() {
3886            return;
3887        }
3888
3889        // TODO: Change this once we have title summarization for external agents.
3890        let title = self.agent.name();
3891
3892        match AgentSettings::get_global(cx).notify_when_agent_waiting {
3893            NotifyWhenAgentWaiting::PrimaryScreen => {
3894                if let Some(primary) = cx.primary_display() {
3895                    self.pop_up(icon, caption.into(), title.into(), window, primary, cx);
3896                }
3897            }
3898            NotifyWhenAgentWaiting::AllScreens => {
3899                let caption = caption.into();
3900                for screen in cx.displays() {
3901                    self.pop_up(icon, caption.clone(), title.into(), window, screen, cx);
3902                }
3903            }
3904            NotifyWhenAgentWaiting::Never => {
3905                // Don't show anything
3906            }
3907        }
3908    }
3909
3910    fn pop_up(
3911        &mut self,
3912        icon: IconName,
3913        caption: SharedString,
3914        title: SharedString,
3915        window: &mut Window,
3916        screen: Rc<dyn PlatformDisplay>,
3917        cx: &mut Context<Self>,
3918    ) {
3919        let options = AgentNotification::window_options(screen, cx);
3920
3921        let project_name = self.workspace.upgrade().and_then(|workspace| {
3922            workspace
3923                .read(cx)
3924                .project()
3925                .read(cx)
3926                .visible_worktrees(cx)
3927                .next()
3928                .map(|worktree| worktree.read(cx).root_name().to_string())
3929        });
3930
3931        if let Some(screen_window) = cx
3932            .open_window(options, |_, cx| {
3933                cx.new(|_| {
3934                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
3935                })
3936            })
3937            .log_err()
3938            && let Some(pop_up) = screen_window.entity(cx).log_err()
3939        {
3940            self.notification_subscriptions
3941                .entry(screen_window)
3942                .or_insert_with(Vec::new)
3943                .push(cx.subscribe_in(&pop_up, window, {
3944                    |this, _, event, window, cx| match event {
3945                        AgentNotificationEvent::Accepted => {
3946                            let handle = window.window_handle();
3947                            cx.activate(true);
3948
3949                            let workspace_handle = this.workspace.clone();
3950
3951                            // If there are multiple Zed windows, activate the correct one.
3952                            cx.defer(move |cx| {
3953                                handle
3954                                    .update(cx, |_view, window, _cx| {
3955                                        window.activate_window();
3956
3957                                        if let Some(workspace) = workspace_handle.upgrade() {
3958                                            workspace.update(_cx, |workspace, cx| {
3959                                                workspace.focus_panel::<AgentPanel>(window, cx);
3960                                            });
3961                                        }
3962                                    })
3963                                    .log_err();
3964                            });
3965
3966                            this.dismiss_notifications(cx);
3967                        }
3968                        AgentNotificationEvent::Dismissed => {
3969                            this.dismiss_notifications(cx);
3970                        }
3971                    }
3972                }));
3973
3974            self.notifications.push(screen_window);
3975
3976            // If the user manually refocuses the original window, dismiss the popup.
3977            self.notification_subscriptions
3978                .entry(screen_window)
3979                .or_insert_with(Vec::new)
3980                .push({
3981                    let pop_up_weak = pop_up.downgrade();
3982
3983                    cx.observe_window_activation(window, move |_, window, cx| {
3984                        if window.is_window_active()
3985                            && let Some(pop_up) = pop_up_weak.upgrade()
3986                        {
3987                            pop_up.update(cx, |_, cx| {
3988                                cx.emit(AgentNotificationEvent::Dismissed);
3989                            });
3990                        }
3991                    })
3992                });
3993        }
3994    }
3995
3996    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
3997        for window in self.notifications.drain(..) {
3998            window
3999                .update(cx, |_, window, _| {
4000                    window.remove_window();
4001                })
4002                .ok();
4003
4004            self.notification_subscriptions.remove(&window);
4005        }
4006    }
4007
4008    fn render_thread_controls(&self, cx: &Context<Self>) -> impl IntoElement {
4009        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4010            .shape(ui::IconButtonShape::Square)
4011            .icon_size(IconSize::Small)
4012            .icon_color(Color::Ignored)
4013            .tooltip(Tooltip::text("Open Thread as Markdown"))
4014            .on_click(cx.listener(move |this, _, window, cx| {
4015                if let Some(workspace) = this.workspace.upgrade() {
4016                    this.open_thread_as_markdown(workspace, window, cx)
4017                        .detach_and_log_err(cx);
4018                }
4019            }));
4020
4021        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4022            .shape(ui::IconButtonShape::Square)
4023            .icon_size(IconSize::Small)
4024            .icon_color(Color::Ignored)
4025            .tooltip(Tooltip::text("Scroll To Top"))
4026            .on_click(cx.listener(move |this, _, _, cx| {
4027                this.scroll_to_top(cx);
4028            }));
4029
4030        let mut container = h_flex()
4031            .id("thread-controls-container")
4032            .group("thread-controls-container")
4033            .w_full()
4034            .mr_1()
4035            .pt_1()
4036            .pb_2()
4037            .px(RESPONSE_PADDING_X)
4038            .gap_px()
4039            .opacity(0.4)
4040            .hover(|style| style.opacity(1.))
4041            .flex_wrap()
4042            .justify_end();
4043
4044        if AgentSettings::get_global(cx).enable_feedback
4045            && self
4046                .thread()
4047                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4048        {
4049            let feedback = self.thread_feedback.feedback;
4050            container = container.child(
4051                div().visible_on_hover("thread-controls-container").child(
4052                    Label::new(
4053                        match feedback {
4054                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4055                            Some(ThreadFeedback::Negative) => "We appreciate your feedback and will use it to improve.",
4056                            None => "Rating the thread sends all of your current conversation to the Zed team.",
4057                        }
4058                    )
4059                    .color(Color::Muted)
4060                    .size(LabelSize::XSmall)
4061                    .truncate(),
4062                ),
4063            ).child(
4064                h_flex()
4065                    .child(
4066                        IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4067                            .shape(ui::IconButtonShape::Square)
4068                            .icon_size(IconSize::Small)
4069                            .icon_color(match feedback {
4070                                Some(ThreadFeedback::Positive) => Color::Accent,
4071                                _ => Color::Ignored,
4072                            })
4073                            .tooltip(Tooltip::text("Helpful Response"))
4074                            .on_click(cx.listener(move |this, _, window, cx| {
4075                                this.handle_feedback_click(
4076                                    ThreadFeedback::Positive,
4077                                    window,
4078                                    cx,
4079                                );
4080                            })),
4081                    )
4082                    .child(
4083                        IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4084                            .shape(ui::IconButtonShape::Square)
4085                            .icon_size(IconSize::Small)
4086                            .icon_color(match feedback {
4087                                Some(ThreadFeedback::Negative) => Color::Accent,
4088                                _ => Color::Ignored,
4089                            })
4090                            .tooltip(Tooltip::text("Not Helpful"))
4091                            .on_click(cx.listener(move |this, _, window, cx| {
4092                                this.handle_feedback_click(
4093                                    ThreadFeedback::Negative,
4094                                    window,
4095                                    cx,
4096                                );
4097                            })),
4098                    )
4099            )
4100        }
4101
4102        container.child(open_as_markdown).child(scroll_to_top)
4103    }
4104
4105    fn render_feedback_feedback_editor(
4106        editor: Entity<Editor>,
4107        window: &mut Window,
4108        cx: &Context<Self>,
4109    ) -> Div {
4110        let focus_handle = editor.focus_handle(cx);
4111        v_flex()
4112            .key_context("AgentFeedbackMessageEditor")
4113            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4114                this.thread_feedback.dismiss_comments();
4115                cx.notify();
4116            }))
4117            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4118                this.submit_feedback_message(cx);
4119            }))
4120            .mb_2()
4121            .mx_4()
4122            .p_2()
4123            .rounded_md()
4124            .border_1()
4125            .border_color(cx.theme().colors().border)
4126            .bg(cx.theme().colors().editor_background)
4127            .child(editor)
4128            .child(
4129                h_flex()
4130                    .gap_1()
4131                    .justify_end()
4132                    .child(
4133                        Button::new("dismiss-feedback-message", "Cancel")
4134                            .label_size(LabelSize::Small)
4135                            .key_binding(
4136                                KeyBinding::for_action_in(&menu::Cancel, &focus_handle, window, cx)
4137                                    .map(|kb| kb.size(rems_from_px(10.))),
4138                            )
4139                            .on_click(cx.listener(move |this, _, _window, cx| {
4140                                this.thread_feedback.dismiss_comments();
4141                                cx.notify();
4142                            })),
4143                    )
4144                    .child(
4145                        Button::new("submit-feedback-message", "Share Feedback")
4146                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4147                            .label_size(LabelSize::Small)
4148                            .key_binding(
4149                                KeyBinding::for_action_in(
4150                                    &menu::Confirm,
4151                                    &focus_handle,
4152                                    window,
4153                                    cx,
4154                                )
4155                                .map(|kb| kb.size(rems_from_px(10.))),
4156                            )
4157                            .on_click(cx.listener(move |this, _, _window, cx| {
4158                                this.submit_feedback_message(cx);
4159                            })),
4160                    ),
4161            )
4162    }
4163
4164    fn handle_feedback_click(
4165        &mut self,
4166        feedback: ThreadFeedback,
4167        window: &mut Window,
4168        cx: &mut Context<Self>,
4169    ) {
4170        let Some(thread) = self.thread().cloned() else {
4171            return;
4172        };
4173
4174        self.thread_feedback.submit(thread, feedback, window, cx);
4175        cx.notify();
4176    }
4177
4178    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4179        let Some(thread) = self.thread().cloned() else {
4180            return;
4181        };
4182
4183        self.thread_feedback.submit_comments(thread, cx);
4184        cx.notify();
4185    }
4186
4187    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4188        div()
4189            .id("acp-thread-scrollbar")
4190            .occlude()
4191            .on_mouse_move(cx.listener(|_, _, _, cx| {
4192                cx.notify();
4193                cx.stop_propagation()
4194            }))
4195            .on_hover(|_, _, cx| {
4196                cx.stop_propagation();
4197            })
4198            .on_any_mouse_down(|_, _, cx| {
4199                cx.stop_propagation();
4200            })
4201            .on_mouse_up(
4202                MouseButton::Left,
4203                cx.listener(|_, _, _, cx| {
4204                    cx.stop_propagation();
4205                }),
4206            )
4207            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4208                cx.notify();
4209            }))
4210            .h_full()
4211            .absolute()
4212            .right_1()
4213            .top_1()
4214            .bottom_0()
4215            .w(px(12.))
4216            .cursor_default()
4217            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4218    }
4219
4220    fn render_token_limit_callout(
4221        &self,
4222        line_height: Pixels,
4223        cx: &mut Context<Self>,
4224    ) -> Option<Callout> {
4225        let token_usage = self.thread()?.read(cx).token_usage()?;
4226        let ratio = token_usage.ratio();
4227
4228        let (severity, title) = match ratio {
4229            acp_thread::TokenUsageRatio::Normal => return None,
4230            acp_thread::TokenUsageRatio::Warning => {
4231                (Severity::Warning, "Thread reaching the token limit soon")
4232            }
4233            acp_thread::TokenUsageRatio::Exceeded => {
4234                (Severity::Error, "Thread reached the token limit")
4235            }
4236        };
4237
4238        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4239            thread.read(cx).completion_mode() == CompletionMode::Normal
4240                && thread
4241                    .read(cx)
4242                    .model()
4243                    .is_some_and(|model| model.supports_burn_mode())
4244        });
4245
4246        let description = if burn_mode_available {
4247            "To continue, start a new thread from a summary or turn Burn Mode on."
4248        } else {
4249            "To continue, start a new thread from a summary."
4250        };
4251
4252        Some(
4253            Callout::new()
4254                .severity(severity)
4255                .line_height(line_height)
4256                .title(title)
4257                .description(description)
4258                .actions_slot(
4259                    h_flex()
4260                        .gap_0p5()
4261                        .child(
4262                            Button::new("start-new-thread", "Start New Thread")
4263                                .label_size(LabelSize::Small)
4264                                .on_click(cx.listener(|this, _, window, cx| {
4265                                    let Some(thread) = this.thread() else {
4266                                        return;
4267                                    };
4268                                    let session_id = thread.read(cx).session_id().clone();
4269                                    window.dispatch_action(
4270                                        crate::NewNativeAgentThreadFromSummary {
4271                                            from_session_id: session_id,
4272                                        }
4273                                        .boxed_clone(),
4274                                        cx,
4275                                    );
4276                                })),
4277                        )
4278                        .when(burn_mode_available, |this| {
4279                            this.child(
4280                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4281                                    .icon_size(IconSize::XSmall)
4282                                    .on_click(cx.listener(|this, _event, window, cx| {
4283                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4284                                    })),
4285                            )
4286                        }),
4287                ),
4288        )
4289    }
4290
4291    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4292        if !self.is_using_zed_ai_models(cx) {
4293            return None;
4294        }
4295
4296        let user_store = self.project.read(cx).user_store().read(cx);
4297        if user_store.is_usage_based_billing_enabled() {
4298            return None;
4299        }
4300
4301        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4302
4303        let usage = user_store.model_request_usage()?;
4304
4305        Some(
4306            div()
4307                .child(UsageCallout::new(plan, usage))
4308                .line_height(line_height),
4309        )
4310    }
4311
4312    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4313        self.entry_view_state.update(cx, |entry_view_state, cx| {
4314            entry_view_state.settings_changed(cx);
4315        });
4316    }
4317
4318    pub(crate) fn insert_dragged_files(
4319        &self,
4320        paths: Vec<project::ProjectPath>,
4321        added_worktrees: Vec<Entity<project::Worktree>>,
4322        window: &mut Window,
4323        cx: &mut Context<Self>,
4324    ) {
4325        self.message_editor.update(cx, |message_editor, cx| {
4326            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4327        })
4328    }
4329
4330    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4331        self.message_editor.update(cx, |message_editor, cx| {
4332            message_editor.insert_selections(window, cx);
4333        })
4334    }
4335
4336    fn render_thread_retry_status_callout(
4337        &self,
4338        _window: &mut Window,
4339        _cx: &mut Context<Self>,
4340    ) -> Option<Callout> {
4341        let state = self.thread_retry_status.as_ref()?;
4342
4343        let next_attempt_in = state
4344            .duration
4345            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4346        if next_attempt_in.is_zero() {
4347            return None;
4348        }
4349
4350        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4351
4352        let retry_message = if state.max_attempts == 1 {
4353            if next_attempt_in_secs == 1 {
4354                "Retrying. Next attempt in 1 second.".to_string()
4355            } else {
4356                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4357            }
4358        } else if next_attempt_in_secs == 1 {
4359            format!(
4360                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4361                state.attempt, state.max_attempts,
4362            )
4363        } else {
4364            format!(
4365                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4366                state.attempt, state.max_attempts,
4367            )
4368        };
4369
4370        Some(
4371            Callout::new()
4372                .severity(Severity::Warning)
4373                .title(state.last_error.clone())
4374                .description(retry_message),
4375        )
4376    }
4377
4378    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4379        let content = match self.thread_error.as_ref()? {
4380            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4381            ThreadError::AuthenticationRequired(error) => {
4382                self.render_authentication_required_error(error.clone(), cx)
4383            }
4384            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4385            ThreadError::ModelRequestLimitReached(plan) => {
4386                self.render_model_request_limit_reached_error(*plan, cx)
4387            }
4388            ThreadError::ToolUseLimitReached => {
4389                self.render_tool_use_limit_reached_error(window, cx)?
4390            }
4391        };
4392
4393        Some(div().child(content))
4394    }
4395
4396    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4397        Callout::new()
4398            .severity(Severity::Error)
4399            .title("Error")
4400            .icon(IconName::XCircle)
4401            .description(error.clone())
4402            .actions_slot(self.create_copy_button(error.to_string()))
4403            .dismiss_action(self.dismiss_error_button(cx))
4404    }
4405
4406    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4407        const ERROR_MESSAGE: &str =
4408            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4409
4410        Callout::new()
4411            .severity(Severity::Error)
4412            .icon(IconName::XCircle)
4413            .title("Free Usage Exceeded")
4414            .description(ERROR_MESSAGE)
4415            .actions_slot(
4416                h_flex()
4417                    .gap_0p5()
4418                    .child(self.upgrade_button(cx))
4419                    .child(self.create_copy_button(ERROR_MESSAGE)),
4420            )
4421            .dismiss_action(self.dismiss_error_button(cx))
4422    }
4423
4424    fn render_authentication_required_error(
4425        &self,
4426        error: SharedString,
4427        cx: &mut Context<Self>,
4428    ) -> Callout {
4429        Callout::new()
4430            .severity(Severity::Error)
4431            .title("Authentication Required")
4432            .icon(IconName::XCircle)
4433            .description(error.clone())
4434            .actions_slot(
4435                h_flex()
4436                    .gap_0p5()
4437                    .child(self.authenticate_button(cx))
4438                    .child(self.create_copy_button(error)),
4439            )
4440            .dismiss_action(self.dismiss_error_button(cx))
4441    }
4442
4443    fn render_model_request_limit_reached_error(
4444        &self,
4445        plan: cloud_llm_client::Plan,
4446        cx: &mut Context<Self>,
4447    ) -> Callout {
4448        let error_message = match plan {
4449            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4450            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4451                "Upgrade to Zed Pro for more prompts."
4452            }
4453        };
4454
4455        Callout::new()
4456            .severity(Severity::Error)
4457            .title("Model Prompt Limit Reached")
4458            .icon(IconName::XCircle)
4459            .description(error_message)
4460            .actions_slot(
4461                h_flex()
4462                    .gap_0p5()
4463                    .child(self.upgrade_button(cx))
4464                    .child(self.create_copy_button(error_message)),
4465            )
4466            .dismiss_action(self.dismiss_error_button(cx))
4467    }
4468
4469    fn render_tool_use_limit_reached_error(
4470        &self,
4471        window: &mut Window,
4472        cx: &mut Context<Self>,
4473    ) -> Option<Callout> {
4474        let thread = self.as_native_thread(cx)?;
4475        let supports_burn_mode = thread
4476            .read(cx)
4477            .model()
4478            .is_some_and(|model| model.supports_burn_mode());
4479
4480        let focus_handle = self.focus_handle(cx);
4481
4482        Some(
4483            Callout::new()
4484                .icon(IconName::Info)
4485                .title("Consecutive tool use limit reached.")
4486                .actions_slot(
4487                    h_flex()
4488                        .gap_0p5()
4489                        .when(supports_burn_mode, |this| {
4490                            this.child(
4491                                Button::new("continue-burn-mode", "Continue with Burn Mode")
4492                                    .style(ButtonStyle::Filled)
4493                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4494                                    .layer(ElevationIndex::ModalSurface)
4495                                    .label_size(LabelSize::Small)
4496                                    .key_binding(
4497                                        KeyBinding::for_action_in(
4498                                            &ContinueWithBurnMode,
4499                                            &focus_handle,
4500                                            window,
4501                                            cx,
4502                                        )
4503                                        .map(|kb| kb.size(rems_from_px(10.))),
4504                                    )
4505                                    .tooltip(Tooltip::text(
4506                                        "Enable Burn Mode for unlimited tool use.",
4507                                    ))
4508                                    .on_click({
4509                                        cx.listener(move |this, _, _window, cx| {
4510                                            thread.update(cx, |thread, cx| {
4511                                                thread
4512                                                    .set_completion_mode(CompletionMode::Burn, cx);
4513                                            });
4514                                            this.resume_chat(cx);
4515                                        })
4516                                    }),
4517                            )
4518                        })
4519                        .child(
4520                            Button::new("continue-conversation", "Continue")
4521                                .layer(ElevationIndex::ModalSurface)
4522                                .label_size(LabelSize::Small)
4523                                .key_binding(
4524                                    KeyBinding::for_action_in(
4525                                        &ContinueThread,
4526                                        &focus_handle,
4527                                        window,
4528                                        cx,
4529                                    )
4530                                    .map(|kb| kb.size(rems_from_px(10.))),
4531                                )
4532                                .on_click(cx.listener(|this, _, _window, cx| {
4533                                    this.resume_chat(cx);
4534                                })),
4535                        ),
4536                ),
4537        )
4538    }
4539
4540    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
4541        let message = message.into();
4542
4543        IconButton::new("copy", IconName::Copy)
4544            .icon_size(IconSize::Small)
4545            .icon_color(Color::Muted)
4546            .tooltip(Tooltip::text("Copy Error Message"))
4547            .on_click(move |_, _, cx| {
4548                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
4549            })
4550    }
4551
4552    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4553        IconButton::new("dismiss", IconName::Close)
4554            .icon_size(IconSize::Small)
4555            .icon_color(Color::Muted)
4556            .tooltip(Tooltip::text("Dismiss Error"))
4557            .on_click(cx.listener({
4558                move |this, _, _, cx| {
4559                    this.clear_thread_error(cx);
4560                    cx.notify();
4561                }
4562            }))
4563    }
4564
4565    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4566        Button::new("authenticate", "Authenticate")
4567            .label_size(LabelSize::Small)
4568            .style(ButtonStyle::Filled)
4569            .on_click(cx.listener({
4570                move |this, _, window, cx| {
4571                    let agent = this.agent.clone();
4572                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
4573                        return;
4574                    };
4575
4576                    let connection = thread.read(cx).connection().clone();
4577                    let err = AuthRequired {
4578                        description: None,
4579                        provider_id: None,
4580                    };
4581                    this.clear_thread_error(cx);
4582                    let this = cx.weak_entity();
4583                    window.defer(cx, |window, cx| {
4584                        Self::handle_auth_required(this, err, agent, connection, window, cx);
4585                    })
4586                }
4587            }))
4588    }
4589
4590    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4591        Button::new("upgrade", "Upgrade")
4592            .label_size(LabelSize::Small)
4593            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4594            .on_click(cx.listener({
4595                move |this, _, _, cx| {
4596                    this.clear_thread_error(cx);
4597                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
4598                }
4599            }))
4600    }
4601
4602    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4603        self.thread_state = Self::initial_state(
4604            self.agent.clone(),
4605            None,
4606            self.workspace.clone(),
4607            self.project.clone(),
4608            window,
4609            cx,
4610        );
4611        cx.notify();
4612    }
4613
4614    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
4615        let task = match entry {
4616            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
4617                history.delete_thread(thread.id.clone(), cx)
4618            }),
4619            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
4620                history.delete_text_thread(context.path.clone(), cx)
4621            }),
4622        };
4623        task.detach_and_log_err(cx);
4624    }
4625}
4626
4627impl Focusable for AcpThreadView {
4628    fn focus_handle(&self, cx: &App) -> FocusHandle {
4629        match self.thread_state {
4630            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
4631                self.message_editor.focus_handle(cx)
4632            }
4633            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
4634                self.focus_handle.clone()
4635            }
4636        }
4637    }
4638}
4639
4640impl Render for AcpThreadView {
4641    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4642        let has_messages = self.list_state.item_count() > 0;
4643        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
4644
4645        v_flex()
4646            .size_full()
4647            .key_context("AcpThread")
4648            .on_action(cx.listener(Self::open_agent_diff))
4649            .on_action(cx.listener(Self::toggle_burn_mode))
4650            .on_action(cx.listener(Self::keep_all))
4651            .on_action(cx.listener(Self::reject_all))
4652            .track_focus(&self.focus_handle)
4653            .bg(cx.theme().colors().panel_background)
4654            .child(match &self.thread_state {
4655                ThreadState::Unauthenticated {
4656                    connection,
4657                    description,
4658                    configuration_view,
4659                    pending_auth_method,
4660                    ..
4661                } => self.render_auth_required_state(
4662                    connection,
4663                    description.as_ref(),
4664                    configuration_view.as_ref(),
4665                    pending_auth_method.as_ref(),
4666                    window,
4667                    cx,
4668                ),
4669                ThreadState::Loading { .. } => v_flex()
4670                    .flex_1()
4671                    .child(self.render_recent_history(window, cx)),
4672                ThreadState::LoadError(e) => v_flex()
4673                    .flex_1()
4674                    .size_full()
4675                    .items_center()
4676                    .justify_end()
4677                    .child(self.render_load_error(e, cx)),
4678                ThreadState::Ready { thread, .. } => {
4679                    let thread_clone = thread.clone();
4680
4681                    v_flex().flex_1().map(|this| {
4682                        if has_messages {
4683                            this.child(
4684                                list(
4685                                    self.list_state.clone(),
4686                                    cx.processor(|this, index: usize, window, cx| {
4687                                        let Some((entry, len)) = this.thread().and_then(|thread| {
4688                                            let entries = &thread.read(cx).entries();
4689                                            Some((entries.get(index)?, entries.len()))
4690                                        }) else {
4691                                            return Empty.into_any();
4692                                        };
4693                                        this.render_entry(index, len, entry, window, cx)
4694                                    }),
4695                                )
4696                                .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
4697                                .flex_grow()
4698                                .into_any(),
4699                            )
4700                            .child(self.render_vertical_scrollbar(cx))
4701                            .children(
4702                                match thread_clone.read(cx).status() {
4703                                    ThreadStatus::Idle
4704                                    | ThreadStatus::WaitingForToolConfirmation => None,
4705                                    ThreadStatus::Generating => div()
4706                                        .py_2()
4707                                        .px(rems_from_px(22.))
4708                                        .child(SpinnerLabel::new().size(LabelSize::Small))
4709                                        .into(),
4710                                },
4711                            )
4712                        } else {
4713                            this.child(self.render_recent_history(window, cx))
4714                        }
4715                    })
4716                }
4717            })
4718            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
4719            // above so that the scrollbar doesn't render behind it. The current setup allows
4720            // the scrollbar to stop exactly at the activity bar start.
4721            .when(has_messages, |this| match &self.thread_state {
4722                ThreadState::Ready { thread, .. } => {
4723                    this.children(self.render_activity_bar(thread, window, cx))
4724                }
4725                _ => this,
4726            })
4727            .children(self.render_thread_retry_status_callout(window, cx))
4728            .children(self.render_thread_error(window, cx))
4729            .children(
4730                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
4731                    Some(usage_callout.into_any_element())
4732                } else {
4733                    self.render_token_limit_callout(line_height, cx)
4734                        .map(|token_limit_callout| token_limit_callout.into_any_element())
4735                },
4736            )
4737            .child(self.render_message_editor(window, cx))
4738    }
4739}
4740
4741fn default_markdown_style(
4742    buffer_font: bool,
4743    muted_text: bool,
4744    window: &Window,
4745    cx: &App,
4746) -> MarkdownStyle {
4747    let theme_settings = ThemeSettings::get_global(cx);
4748    let colors = cx.theme().colors();
4749
4750    let buffer_font_size = TextSize::Small.rems(cx);
4751
4752    let mut text_style = window.text_style();
4753    let line_height = buffer_font_size * 1.75;
4754
4755    let font_family = if buffer_font {
4756        theme_settings.buffer_font.family.clone()
4757    } else {
4758        theme_settings.ui_font.family.clone()
4759    };
4760
4761    let font_size = if buffer_font {
4762        TextSize::Small.rems(cx)
4763    } else {
4764        TextSize::Default.rems(cx)
4765    };
4766
4767    let text_color = if muted_text {
4768        colors.text_muted
4769    } else {
4770        colors.text
4771    };
4772
4773    text_style.refine(&TextStyleRefinement {
4774        font_family: Some(font_family),
4775        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
4776        font_features: Some(theme_settings.ui_font.features.clone()),
4777        font_size: Some(font_size.into()),
4778        line_height: Some(line_height.into()),
4779        color: Some(text_color),
4780        ..Default::default()
4781    });
4782
4783    MarkdownStyle {
4784        base_text_style: text_style.clone(),
4785        syntax: cx.theme().syntax().clone(),
4786        selection_background_color: colors.element_selection_background,
4787        code_block_overflow_x_scroll: true,
4788        table_overflow_x_scroll: true,
4789        heading_level_styles: Some(HeadingLevelStyles {
4790            h1: Some(TextStyleRefinement {
4791                font_size: Some(rems(1.15).into()),
4792                ..Default::default()
4793            }),
4794            h2: Some(TextStyleRefinement {
4795                font_size: Some(rems(1.1).into()),
4796                ..Default::default()
4797            }),
4798            h3: Some(TextStyleRefinement {
4799                font_size: Some(rems(1.05).into()),
4800                ..Default::default()
4801            }),
4802            h4: Some(TextStyleRefinement {
4803                font_size: Some(rems(1.).into()),
4804                ..Default::default()
4805            }),
4806            h5: Some(TextStyleRefinement {
4807                font_size: Some(rems(0.95).into()),
4808                ..Default::default()
4809            }),
4810            h6: Some(TextStyleRefinement {
4811                font_size: Some(rems(0.875).into()),
4812                ..Default::default()
4813            }),
4814        }),
4815        code_block: StyleRefinement {
4816            padding: EdgesRefinement {
4817                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4818                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4819                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4820                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4821            },
4822            margin: EdgesRefinement {
4823                top: Some(Length::Definite(Pixels(8.).into())),
4824                left: Some(Length::Definite(Pixels(0.).into())),
4825                right: Some(Length::Definite(Pixels(0.).into())),
4826                bottom: Some(Length::Definite(Pixels(12.).into())),
4827            },
4828            border_style: Some(BorderStyle::Solid),
4829            border_widths: EdgesRefinement {
4830                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
4831                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
4832                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
4833                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
4834            },
4835            border_color: Some(colors.border_variant),
4836            background: Some(colors.editor_background.into()),
4837            text: Some(TextStyleRefinement {
4838                font_family: Some(theme_settings.buffer_font.family.clone()),
4839                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4840                font_features: Some(theme_settings.buffer_font.features.clone()),
4841                font_size: Some(buffer_font_size.into()),
4842                ..Default::default()
4843            }),
4844            ..Default::default()
4845        },
4846        inline_code: TextStyleRefinement {
4847            font_family: Some(theme_settings.buffer_font.family.clone()),
4848            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4849            font_features: Some(theme_settings.buffer_font.features.clone()),
4850            font_size: Some(buffer_font_size.into()),
4851            background_color: Some(colors.editor_foreground.opacity(0.08)),
4852            ..Default::default()
4853        },
4854        link: TextStyleRefinement {
4855            background_color: Some(colors.editor_foreground.opacity(0.025)),
4856            underline: Some(UnderlineStyle {
4857                color: Some(colors.text_accent.opacity(0.5)),
4858                thickness: px(1.),
4859                ..Default::default()
4860            }),
4861            ..Default::default()
4862        },
4863        ..Default::default()
4864    }
4865}
4866
4867fn plan_label_markdown_style(
4868    status: &acp::PlanEntryStatus,
4869    window: &Window,
4870    cx: &App,
4871) -> MarkdownStyle {
4872    let default_md_style = default_markdown_style(false, false, window, cx);
4873
4874    MarkdownStyle {
4875        base_text_style: TextStyle {
4876            color: cx.theme().colors().text_muted,
4877            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
4878                Some(gpui::StrikethroughStyle {
4879                    thickness: px(1.),
4880                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
4881                })
4882            } else {
4883                None
4884            },
4885            ..default_md_style.base_text_style
4886        },
4887        ..default_md_style
4888    }
4889}
4890
4891fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
4892    let default_md_style = default_markdown_style(true, false, window, cx);
4893
4894    MarkdownStyle {
4895        base_text_style: TextStyle {
4896            ..default_md_style.base_text_style
4897        },
4898        selection_background_color: cx.theme().colors().element_selection_background,
4899        ..Default::default()
4900    }
4901}
4902
4903#[cfg(test)]
4904pub(crate) mod tests {
4905    use acp_thread::StubAgentConnection;
4906    use agent_client_protocol::SessionId;
4907    use assistant_context::ContextStore;
4908    use editor::EditorSettings;
4909    use fs::FakeFs;
4910    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
4911    use project::Project;
4912    use serde_json::json;
4913    use settings::SettingsStore;
4914    use std::any::Any;
4915    use std::path::Path;
4916    use workspace::Item;
4917
4918    use super::*;
4919
4920    #[gpui::test]
4921    async fn test_drop(cx: &mut TestAppContext) {
4922        init_test(cx);
4923
4924        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4925        let weak_view = thread_view.downgrade();
4926        drop(thread_view);
4927        assert!(!weak_view.is_upgradable());
4928    }
4929
4930    #[gpui::test]
4931    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
4932        init_test(cx);
4933
4934        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4935
4936        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4937        message_editor.update_in(cx, |editor, window, cx| {
4938            editor.set_text("Hello", window, cx);
4939        });
4940
4941        cx.deactivate_window();
4942
4943        thread_view.update_in(cx, |thread_view, window, cx| {
4944            thread_view.send(window, cx);
4945        });
4946
4947        cx.run_until_parked();
4948
4949        assert!(
4950            cx.windows()
4951                .iter()
4952                .any(|window| window.downcast::<AgentNotification>().is_some())
4953        );
4954    }
4955
4956    #[gpui::test]
4957    async fn test_notification_for_error(cx: &mut TestAppContext) {
4958        init_test(cx);
4959
4960        let (thread_view, cx) =
4961            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
4962
4963        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4964        message_editor.update_in(cx, |editor, window, cx| {
4965            editor.set_text("Hello", window, cx);
4966        });
4967
4968        cx.deactivate_window();
4969
4970        thread_view.update_in(cx, |thread_view, window, cx| {
4971            thread_view.send(window, cx);
4972        });
4973
4974        cx.run_until_parked();
4975
4976        assert!(
4977            cx.windows()
4978                .iter()
4979                .any(|window| window.downcast::<AgentNotification>().is_some())
4980        );
4981    }
4982
4983    #[gpui::test]
4984    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
4985        init_test(cx);
4986
4987        let tool_call_id = acp::ToolCallId("1".into());
4988        let tool_call = acp::ToolCall {
4989            id: tool_call_id.clone(),
4990            title: "Label".into(),
4991            kind: acp::ToolKind::Edit,
4992            status: acp::ToolCallStatus::Pending,
4993            content: vec!["hi".into()],
4994            locations: vec![],
4995            raw_input: None,
4996            raw_output: None,
4997        };
4998        let connection =
4999            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5000                tool_call_id,
5001                vec![acp::PermissionOption {
5002                    id: acp::PermissionOptionId("1".into()),
5003                    name: "Allow".into(),
5004                    kind: acp::PermissionOptionKind::AllowOnce,
5005                }],
5006            )]));
5007
5008        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5009
5010        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5011
5012        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5013        message_editor.update_in(cx, |editor, window, cx| {
5014            editor.set_text("Hello", window, cx);
5015        });
5016
5017        cx.deactivate_window();
5018
5019        thread_view.update_in(cx, |thread_view, window, cx| {
5020            thread_view.send(window, cx);
5021        });
5022
5023        cx.run_until_parked();
5024
5025        assert!(
5026            cx.windows()
5027                .iter()
5028                .any(|window| window.downcast::<AgentNotification>().is_some())
5029        );
5030    }
5031
5032    async fn setup_thread_view(
5033        agent: impl AgentServer + 'static,
5034        cx: &mut TestAppContext,
5035    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5036        let fs = FakeFs::new(cx.executor());
5037        let project = Project::test(fs, [], cx).await;
5038        let (workspace, cx) =
5039            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5040
5041        let context_store =
5042            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5043        let history_store =
5044            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5045
5046        let thread_view = cx.update(|window, cx| {
5047            cx.new(|cx| {
5048                AcpThreadView::new(
5049                    Rc::new(agent),
5050                    None,
5051                    None,
5052                    workspace.downgrade(),
5053                    project,
5054                    history_store,
5055                    None,
5056                    window,
5057                    cx,
5058                )
5059            })
5060        });
5061        cx.run_until_parked();
5062        (thread_view, cx)
5063    }
5064
5065    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5066        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5067
5068        workspace
5069            .update_in(cx, |workspace, window, cx| {
5070                workspace.add_item_to_active_pane(
5071                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5072                    None,
5073                    true,
5074                    window,
5075                    cx,
5076                );
5077            })
5078            .unwrap();
5079    }
5080
5081    struct ThreadViewItem(Entity<AcpThreadView>);
5082
5083    impl Item for ThreadViewItem {
5084        type Event = ();
5085
5086        fn include_in_nav_history() -> bool {
5087            false
5088        }
5089
5090        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5091            "Test".into()
5092        }
5093    }
5094
5095    impl EventEmitter<()> for ThreadViewItem {}
5096
5097    impl Focusable for ThreadViewItem {
5098        fn focus_handle(&self, cx: &App) -> FocusHandle {
5099            self.0.read(cx).focus_handle(cx)
5100        }
5101    }
5102
5103    impl Render for ThreadViewItem {
5104        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5105            self.0.clone().into_any_element()
5106        }
5107    }
5108
5109    struct StubAgentServer<C> {
5110        connection: C,
5111    }
5112
5113    impl<C> StubAgentServer<C> {
5114        fn new(connection: C) -> Self {
5115            Self { connection }
5116        }
5117    }
5118
5119    impl StubAgentServer<StubAgentConnection> {
5120        fn default_response() -> Self {
5121            let conn = StubAgentConnection::new();
5122            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5123                content: "Default response".into(),
5124            }]);
5125            Self::new(conn)
5126        }
5127    }
5128
5129    impl<C> AgentServer for StubAgentServer<C>
5130    where
5131        C: 'static + AgentConnection + Send + Clone,
5132    {
5133        fn logo(&self) -> ui::IconName {
5134            ui::IconName::Ai
5135        }
5136
5137        fn name(&self) -> &'static str {
5138            "Test"
5139        }
5140
5141        fn empty_state_headline(&self) -> &'static str {
5142            "Test"
5143        }
5144
5145        fn empty_state_message(&self) -> &'static str {
5146            "Test"
5147        }
5148
5149        fn connect(
5150            &self,
5151            _root_dir: &Path,
5152            _project: &Entity<Project>,
5153            _cx: &mut App,
5154        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
5155            Task::ready(Ok(Rc::new(self.connection.clone())))
5156        }
5157
5158        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5159            self
5160        }
5161    }
5162
5163    #[derive(Clone)]
5164    struct SaboteurAgentConnection;
5165
5166    impl AgentConnection for SaboteurAgentConnection {
5167        fn new_thread(
5168            self: Rc<Self>,
5169            project: Entity<Project>,
5170            _cwd: &Path,
5171            cx: &mut gpui::App,
5172        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5173            Task::ready(Ok(cx.new(|cx| {
5174                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5175                AcpThread::new(
5176                    "SaboteurAgentConnection",
5177                    self,
5178                    project,
5179                    action_log,
5180                    SessionId("test".into()),
5181                )
5182            })))
5183        }
5184
5185        fn auth_methods(&self) -> &[acp::AuthMethod] {
5186            &[]
5187        }
5188
5189        fn prompt_capabilities(&self) -> acp::PromptCapabilities {
5190            acp::PromptCapabilities {
5191                image: true,
5192                audio: true,
5193                embedded_context: true,
5194            }
5195        }
5196
5197        fn authenticate(
5198            &self,
5199            _method_id: acp::AuthMethodId,
5200            _cx: &mut App,
5201        ) -> Task<gpui::Result<()>> {
5202            unimplemented!()
5203        }
5204
5205        fn prompt(
5206            &self,
5207            _id: Option<acp_thread::UserMessageId>,
5208            _params: acp::PromptRequest,
5209            _cx: &mut App,
5210        ) -> Task<gpui::Result<acp::PromptResponse>> {
5211            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5212        }
5213
5214        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5215            unimplemented!()
5216        }
5217
5218        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5219            self
5220        }
5221    }
5222
5223    pub(crate) fn init_test(cx: &mut TestAppContext) {
5224        cx.update(|cx| {
5225            let settings_store = SettingsStore::test(cx);
5226            cx.set_global(settings_store);
5227            language::init(cx);
5228            Project::init_settings(cx);
5229            AgentSettings::register(cx);
5230            workspace::init_settings(cx);
5231            ThemeSettings::register(cx);
5232            release_channel::init(SemanticVersion::default(), cx);
5233            EditorSettings::register(cx);
5234            prompt_store::init(cx)
5235        });
5236    }
5237
5238    #[gpui::test]
5239    async fn test_rewind_views(cx: &mut TestAppContext) {
5240        init_test(cx);
5241
5242        let fs = FakeFs::new(cx.executor());
5243        fs.insert_tree(
5244            "/project",
5245            json!({
5246                "test1.txt": "old content 1",
5247                "test2.txt": "old content 2"
5248            }),
5249        )
5250        .await;
5251        let project = Project::test(fs, [Path::new("/project")], cx).await;
5252        let (workspace, cx) =
5253            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5254
5255        let context_store =
5256            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5257        let history_store =
5258            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5259
5260        let connection = Rc::new(StubAgentConnection::new());
5261        let thread_view = cx.update(|window, cx| {
5262            cx.new(|cx| {
5263                AcpThreadView::new(
5264                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5265                    None,
5266                    None,
5267                    workspace.downgrade(),
5268                    project.clone(),
5269                    history_store.clone(),
5270                    None,
5271                    window,
5272                    cx,
5273                )
5274            })
5275        });
5276
5277        cx.run_until_parked();
5278
5279        let thread = thread_view
5280            .read_with(cx, |view, _| view.thread().cloned())
5281            .unwrap();
5282
5283        // First user message
5284        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5285            id: acp::ToolCallId("tool1".into()),
5286            title: "Edit file 1".into(),
5287            kind: acp::ToolKind::Edit,
5288            status: acp::ToolCallStatus::Completed,
5289            content: vec![acp::ToolCallContent::Diff {
5290                diff: acp::Diff {
5291                    path: "/project/test1.txt".into(),
5292                    old_text: Some("old content 1".into()),
5293                    new_text: "new content 1".into(),
5294                },
5295            }],
5296            locations: vec![],
5297            raw_input: None,
5298            raw_output: None,
5299        })]);
5300
5301        thread
5302            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
5303            .await
5304            .unwrap();
5305        cx.run_until_parked();
5306
5307        thread.read_with(cx, |thread, _| {
5308            assert_eq!(thread.entries().len(), 2);
5309        });
5310
5311        thread_view.read_with(cx, |view, cx| {
5312            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5313                assert!(
5314                    entry_view_state
5315                        .entry(0)
5316                        .unwrap()
5317                        .message_editor()
5318                        .is_some()
5319                );
5320                assert!(entry_view_state.entry(1).unwrap().has_content());
5321            });
5322        });
5323
5324        // Second user message
5325        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5326            id: acp::ToolCallId("tool2".into()),
5327            title: "Edit file 2".into(),
5328            kind: acp::ToolKind::Edit,
5329            status: acp::ToolCallStatus::Completed,
5330            content: vec![acp::ToolCallContent::Diff {
5331                diff: acp::Diff {
5332                    path: "/project/test2.txt".into(),
5333                    old_text: Some("old content 2".into()),
5334                    new_text: "new content 2".into(),
5335                },
5336            }],
5337            locations: vec![],
5338            raw_input: None,
5339            raw_output: None,
5340        })]);
5341
5342        thread
5343            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5344            .await
5345            .unwrap();
5346        cx.run_until_parked();
5347
5348        let second_user_message_id = thread.read_with(cx, |thread, _| {
5349            assert_eq!(thread.entries().len(), 4);
5350            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5351                panic!();
5352            };
5353            user_message.id.clone().unwrap()
5354        });
5355
5356        thread_view.read_with(cx, |view, cx| {
5357            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5358                assert!(
5359                    entry_view_state
5360                        .entry(0)
5361                        .unwrap()
5362                        .message_editor()
5363                        .is_some()
5364                );
5365                assert!(entry_view_state.entry(1).unwrap().has_content());
5366                assert!(
5367                    entry_view_state
5368                        .entry(2)
5369                        .unwrap()
5370                        .message_editor()
5371                        .is_some()
5372                );
5373                assert!(entry_view_state.entry(3).unwrap().has_content());
5374            });
5375        });
5376
5377        // Rewind to first message
5378        thread
5379            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
5380            .await
5381            .unwrap();
5382
5383        cx.run_until_parked();
5384
5385        thread.read_with(cx, |thread, _| {
5386            assert_eq!(thread.entries().len(), 2);
5387        });
5388
5389        thread_view.read_with(cx, |view, cx| {
5390            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5391                assert!(
5392                    entry_view_state
5393                        .entry(0)
5394                        .unwrap()
5395                        .message_editor()
5396                        .is_some()
5397                );
5398                assert!(entry_view_state.entry(1).unwrap().has_content());
5399
5400                // Old views should be dropped
5401                assert!(entry_view_state.entry(2).is_none());
5402                assert!(entry_view_state.entry(3).is_none());
5403            });
5404        });
5405    }
5406
5407    #[gpui::test]
5408    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
5409        init_test(cx);
5410
5411        let connection = StubAgentConnection::new();
5412
5413        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5414            content: acp::ContentBlock::Text(acp::TextContent {
5415                text: "Response".into(),
5416                annotations: None,
5417            }),
5418        }]);
5419
5420        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5421        add_to_workspace(thread_view.clone(), cx);
5422
5423        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5424        message_editor.update_in(cx, |editor, window, cx| {
5425            editor.set_text("Original message to edit", window, cx);
5426        });
5427        thread_view.update_in(cx, |thread_view, window, cx| {
5428            thread_view.send(window, cx);
5429        });
5430
5431        cx.run_until_parked();
5432
5433        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5434            assert_eq!(view.editing_message, None);
5435
5436            view.entry_view_state
5437                .read(cx)
5438                .entry(0)
5439                .unwrap()
5440                .message_editor()
5441                .unwrap()
5442                .clone()
5443        });
5444
5445        // Focus
5446        cx.focus(&user_message_editor);
5447        thread_view.read_with(cx, |view, _cx| {
5448            assert_eq!(view.editing_message, Some(0));
5449        });
5450
5451        // Edit
5452        user_message_editor.update_in(cx, |editor, window, cx| {
5453            editor.set_text("Edited message content", window, cx);
5454        });
5455
5456        // Cancel
5457        user_message_editor.update_in(cx, |_editor, window, cx| {
5458            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
5459        });
5460
5461        thread_view.read_with(cx, |view, _cx| {
5462            assert_eq!(view.editing_message, None);
5463        });
5464
5465        user_message_editor.read_with(cx, |editor, cx| {
5466            assert_eq!(editor.text(cx), "Original message to edit");
5467        });
5468    }
5469
5470    #[gpui::test]
5471    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
5472        init_test(cx);
5473
5474        let connection = StubAgentConnection::new();
5475
5476        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5477        add_to_workspace(thread_view.clone(), cx);
5478
5479        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5480        let mut events = cx.events(&message_editor);
5481        message_editor.update_in(cx, |editor, window, cx| {
5482            editor.set_text("", window, cx);
5483        });
5484
5485        message_editor.update_in(cx, |_editor, window, cx| {
5486            window.dispatch_action(Box::new(Chat), cx);
5487        });
5488        cx.run_until_parked();
5489        // We shouldn't have received any messages
5490        assert!(matches!(
5491            events.try_next(),
5492            Err(futures::channel::mpsc::TryRecvError { .. })
5493        ));
5494    }
5495
5496    #[gpui::test]
5497    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
5498        init_test(cx);
5499
5500        let connection = StubAgentConnection::new();
5501
5502        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5503            content: acp::ContentBlock::Text(acp::TextContent {
5504                text: "Response".into(),
5505                annotations: None,
5506            }),
5507        }]);
5508
5509        let (thread_view, cx) =
5510            setup_thread_view(StubAgentServer::new(connection.clone()), 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        message_editor.update_in(cx, |editor, window, cx| {
5515            editor.set_text("Original message to edit", window, cx);
5516        });
5517        thread_view.update_in(cx, |thread_view, window, cx| {
5518            thread_view.send(window, cx);
5519        });
5520
5521        cx.run_until_parked();
5522
5523        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5524            assert_eq!(view.editing_message, None);
5525            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
5526
5527            view.entry_view_state
5528                .read(cx)
5529                .entry(0)
5530                .unwrap()
5531                .message_editor()
5532                .unwrap()
5533                .clone()
5534        });
5535
5536        // Focus
5537        cx.focus(&user_message_editor);
5538
5539        // Edit
5540        user_message_editor.update_in(cx, |editor, window, cx| {
5541            editor.set_text("Edited message content", window, cx);
5542        });
5543
5544        // Send
5545        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5546            content: acp::ContentBlock::Text(acp::TextContent {
5547                text: "New Response".into(),
5548                annotations: None,
5549            }),
5550        }]);
5551
5552        user_message_editor.update_in(cx, |_editor, window, cx| {
5553            window.dispatch_action(Box::new(Chat), cx);
5554        });
5555
5556        cx.run_until_parked();
5557
5558        thread_view.read_with(cx, |view, cx| {
5559            assert_eq!(view.editing_message, None);
5560
5561            let entries = view.thread().unwrap().read(cx).entries();
5562            assert_eq!(entries.len(), 2);
5563            assert_eq!(
5564                entries[0].to_markdown(cx),
5565                "## User\n\nEdited message content\n\n"
5566            );
5567            assert_eq!(
5568                entries[1].to_markdown(cx),
5569                "## Assistant\n\nNew Response\n\n"
5570            );
5571
5572            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
5573                assert!(!state.entry(1).unwrap().has_content());
5574                state.entry(0).unwrap().message_editor().unwrap().clone()
5575            });
5576
5577            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
5578        })
5579    }
5580
5581    #[gpui::test]
5582    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
5583        init_test(cx);
5584
5585        let connection = StubAgentConnection::new();
5586
5587        let (thread_view, cx) =
5588            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5589        add_to_workspace(thread_view.clone(), cx);
5590
5591        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5592        message_editor.update_in(cx, |editor, window, cx| {
5593            editor.set_text("Original message to edit", window, cx);
5594        });
5595        thread_view.update_in(cx, |thread_view, window, cx| {
5596            thread_view.send(window, cx);
5597        });
5598
5599        cx.run_until_parked();
5600
5601        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
5602            let thread = view.thread().unwrap().read(cx);
5603            assert_eq!(thread.entries().len(), 1);
5604
5605            let editor = view
5606                .entry_view_state
5607                .read(cx)
5608                .entry(0)
5609                .unwrap()
5610                .message_editor()
5611                .unwrap()
5612                .clone();
5613
5614            (editor, thread.session_id().clone())
5615        });
5616
5617        // Focus
5618        cx.focus(&user_message_editor);
5619
5620        thread_view.read_with(cx, |view, _cx| {
5621            assert_eq!(view.editing_message, Some(0));
5622        });
5623
5624        // Edit
5625        user_message_editor.update_in(cx, |editor, window, cx| {
5626            editor.set_text("Edited message content", window, cx);
5627        });
5628
5629        thread_view.read_with(cx, |view, _cx| {
5630            assert_eq!(view.editing_message, Some(0));
5631        });
5632
5633        // Finish streaming response
5634        cx.update(|_, cx| {
5635            connection.send_update(
5636                session_id.clone(),
5637                acp::SessionUpdate::AgentMessageChunk {
5638                    content: acp::ContentBlock::Text(acp::TextContent {
5639                        text: "Response".into(),
5640                        annotations: None,
5641                    }),
5642                },
5643                cx,
5644            );
5645            connection.end_turn(session_id, acp::StopReason::EndTurn);
5646        });
5647
5648        thread_view.read_with(cx, |view, _cx| {
5649            assert_eq!(view.editing_message, Some(0));
5650        });
5651
5652        cx.run_until_parked();
5653
5654        // Should still be editing
5655        cx.update(|window, cx| {
5656            assert!(user_message_editor.focus_handle(cx).is_focused(window));
5657            assert_eq!(thread_view.read(cx).editing_message, Some(0));
5658            assert_eq!(
5659                user_message_editor.read(cx).text(cx),
5660                "Edited message content"
5661            );
5662        });
5663    }
5664
5665    #[gpui::test]
5666    async fn test_interrupt(cx: &mut TestAppContext) {
5667        init_test(cx);
5668
5669        let connection = StubAgentConnection::new();
5670
5671        let (thread_view, cx) =
5672            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5673        add_to_workspace(thread_view.clone(), cx);
5674
5675        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5676        message_editor.update_in(cx, |editor, window, cx| {
5677            editor.set_text("Message 1", window, cx);
5678        });
5679        thread_view.update_in(cx, |thread_view, window, cx| {
5680            thread_view.send(window, cx);
5681        });
5682
5683        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
5684            let thread = view.thread().unwrap();
5685
5686            (thread.clone(), thread.read(cx).session_id().clone())
5687        });
5688
5689        cx.run_until_parked();
5690
5691        cx.update(|_, cx| {
5692            connection.send_update(
5693                session_id.clone(),
5694                acp::SessionUpdate::AgentMessageChunk {
5695                    content: "Message 1 resp".into(),
5696                },
5697                cx,
5698            );
5699        });
5700
5701        cx.run_until_parked();
5702
5703        thread.read_with(cx, |thread, cx| {
5704            assert_eq!(
5705                thread.to_markdown(cx),
5706                indoc::indoc! {"
5707                    ## User
5708
5709                    Message 1
5710
5711                    ## Assistant
5712
5713                    Message 1 resp
5714
5715                "}
5716            )
5717        });
5718
5719        message_editor.update_in(cx, |editor, window, cx| {
5720            editor.set_text("Message 2", window, cx);
5721        });
5722        thread_view.update_in(cx, |thread_view, window, cx| {
5723            thread_view.send(window, cx);
5724        });
5725
5726        cx.update(|_, cx| {
5727            // Simulate a response sent after beginning to cancel
5728            connection.send_update(
5729                session_id.clone(),
5730                acp::SessionUpdate::AgentMessageChunk {
5731                    content: "onse".into(),
5732                },
5733                cx,
5734            );
5735        });
5736
5737        cx.run_until_parked();
5738
5739        // Last Message 1 response should appear before Message 2
5740        thread.read_with(cx, |thread, cx| {
5741            assert_eq!(
5742                thread.to_markdown(cx),
5743                indoc::indoc! {"
5744                    ## User
5745
5746                    Message 1
5747
5748                    ## Assistant
5749
5750                    Message 1 response
5751
5752                    ## User
5753
5754                    Message 2
5755
5756                "}
5757            )
5758        });
5759
5760        cx.update(|_, cx| {
5761            connection.send_update(
5762                session_id.clone(),
5763                acp::SessionUpdate::AgentMessageChunk {
5764                    content: "Message 2 response".into(),
5765                },
5766                cx,
5767            );
5768            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5769        });
5770
5771        cx.run_until_parked();
5772
5773        thread.read_with(cx, |thread, cx| {
5774            assert_eq!(
5775                thread.to_markdown(cx),
5776                indoc::indoc! {"
5777                    ## User
5778
5779                    Message 1
5780
5781                    ## Assistant
5782
5783                    Message 1 response
5784
5785                    ## User
5786
5787                    Message 2
5788
5789                    ## Assistant
5790
5791                    Message 2 response
5792
5793                "}
5794            )
5795        });
5796    }
5797}