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    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  24    ListOffset, ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement,
  25    Subscription, Task, TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity,
  26    Window, WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, percentage,
  27    point, 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::path::Path;
  39use std::sync::Arc;
  40use std::time::Instant;
  41use std::{collections::BTreeMap, rc::Rc, time::Duration};
  42use text::Anchor;
  43use theme::ThemeSettings;
  44use ui::{
  45    Callout, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle,
  46    Scrollbar, ScrollbarState, SpinnerLabel, TintColor, Tooltip, prelude::*,
  47};
  48use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  49use workspace::{CollaboratorId, Workspace};
  50use zed_actions::agent::{Chat, ToggleModelSelector};
  51use zed_actions::assistant::OpenRulesLibrary;
  52
  53use super::entry_view_state::EntryViewState;
  54use crate::acp::AcpModelSelectorPopover;
  55use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  56use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  57use crate::agent_diff::AgentDiff;
  58use crate::profile_selector::{ProfileProvider, ProfileSelector};
  59
  60use crate::ui::preview::UsageCallout;
  61use crate::ui::{
  62    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  63};
  64use crate::{
  65    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, ExpandMessageEditor, Follow,
  66    KeepAll, OpenAgentDiff, OpenHistory, RejectAll, ToggleBurnMode, ToggleProfileSelector,
  67};
  68
  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    should_be_following: bool,
 278    editing_message: Option<usize>,
 279    prompt_capabilities: Rc<Cell<PromptCapabilities>>,
 280    is_loading_contents: bool,
 281    install_command_markdown: Entity<Markdown>,
 282    _cancel_task: Option<Task<()>>,
 283    _subscriptions: [Subscription; 3],
 284}
 285
 286enum ThreadState {
 287    Loading {
 288        _task: Task<()>,
 289    },
 290    Ready {
 291        thread: Entity<AcpThread>,
 292        title_editor: Option<Entity<Editor>>,
 293        _subscriptions: Vec<Subscription>,
 294    },
 295    LoadError(LoadError),
 296    Unauthenticated {
 297        connection: Rc<dyn AgentConnection>,
 298        description: Option<Entity<Markdown>>,
 299        configuration_view: Option<AnyView>,
 300        pending_auth_method: Option<acp::AuthMethodId>,
 301        _subscription: Option<Subscription>,
 302    },
 303}
 304
 305impl AcpThreadView {
 306    pub fn new(
 307        agent: Rc<dyn AgentServer>,
 308        resume_thread: Option<DbThreadMetadata>,
 309        summarize_thread: Option<DbThreadMetadata>,
 310        workspace: WeakEntity<Workspace>,
 311        project: Entity<Project>,
 312        history_store: Entity<HistoryStore>,
 313        prompt_store: Option<Entity<PromptStore>>,
 314        window: &mut Window,
 315        cx: &mut Context<Self>,
 316    ) -> Self {
 317        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
 318        let prevent_slash_commands = agent.clone().downcast::<ClaudeCode>().is_some();
 319
 320        let placeholder = if agent.name() == "Zed Agent" {
 321            format!("Message the {} — @ to include context", agent.name())
 322        } else {
 323            format!("Message {} — @ to include context", agent.name())
 324        };
 325
 326        let message_editor = cx.new(|cx| {
 327            let mut editor = MessageEditor::new(
 328                workspace.clone(),
 329                project.clone(),
 330                history_store.clone(),
 331                prompt_store.clone(),
 332                prompt_capabilities.clone(),
 333                placeholder,
 334                prevent_slash_commands,
 335                editor::EditorMode::AutoHeight {
 336                    min_lines: MIN_EDITOR_LINES,
 337                    max_lines: Some(MAX_EDITOR_LINES),
 338                },
 339                window,
 340                cx,
 341            );
 342            if let Some(entry) = summarize_thread {
 343                editor.insert_thread_summary(entry, window, cx);
 344            }
 345            editor
 346        });
 347
 348        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 349
 350        let entry_view_state = cx.new(|_| {
 351            EntryViewState::new(
 352                workspace.clone(),
 353                project.clone(),
 354                history_store.clone(),
 355                prompt_store.clone(),
 356                prompt_capabilities.clone(),
 357                prevent_slash_commands,
 358            )
 359        });
 360
 361        let subscriptions = [
 362            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 363            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 364            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 365        ];
 366
 367        Self {
 368            agent: agent.clone(),
 369            workspace: workspace.clone(),
 370            project: project.clone(),
 371            entry_view_state,
 372            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 373            message_editor,
 374            model_selector: None,
 375            profile_selector: None,
 376            notifications: Vec::new(),
 377            notification_subscriptions: HashMap::default(),
 378            list_state: list_state.clone(),
 379            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 380            thread_retry_status: None,
 381            thread_error: None,
 382            thread_feedback: Default::default(),
 383            auth_task: None,
 384            expanded_tool_calls: HashSet::default(),
 385            expanded_thinking_blocks: HashSet::default(),
 386            editing_message: None,
 387            edits_expanded: false,
 388            plan_expanded: false,
 389            editor_expanded: false,
 390            should_be_following: false,
 391            history_store,
 392            hovered_recent_history_item: None,
 393            prompt_capabilities,
 394            is_loading_contents: false,
 395            install_command_markdown: cx.new(|cx| Markdown::new("".into(), None, None, cx)),
 396            _subscriptions: subscriptions,
 397            _cancel_task: None,
 398            focus_handle: cx.focus_handle(),
 399        }
 400    }
 401
 402    fn initial_state(
 403        agent: Rc<dyn AgentServer>,
 404        resume_thread: Option<DbThreadMetadata>,
 405        workspace: WeakEntity<Workspace>,
 406        project: Entity<Project>,
 407        window: &mut Window,
 408        cx: &mut Context<Self>,
 409    ) -> ThreadState {
 410        let root_dir = project
 411            .read(cx)
 412            .visible_worktrees(cx)
 413            .next()
 414            .map(|worktree| worktree.read(cx).abs_path())
 415            .unwrap_or_else(|| paths::home_dir().as_path().into());
 416
 417        let connect_task = agent.connect(&root_dir, &project, cx);
 418        let load_task = cx.spawn_in(window, async move |this, cx| {
 419            let connection = match connect_task.await {
 420                Ok(connection) => connection,
 421                Err(err) => {
 422                    this.update_in(cx, |this, window, cx| {
 423                        if err.downcast_ref::<LoadError>().is_some() {
 424                            this.handle_load_error(err, window, cx);
 425                        } else {
 426                            this.handle_thread_error(err, cx);
 427                        }
 428                        cx.notify();
 429                    })
 430                    .log_err();
 431                    return;
 432                }
 433            };
 434
 435            let result = if let Some(native_agent) = connection
 436                .clone()
 437                .downcast::<agent2::NativeAgentConnection>()
 438                && let Some(resume) = resume_thread.clone()
 439            {
 440                cx.update(|_, cx| {
 441                    native_agent
 442                        .0
 443                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 444                })
 445                .log_err()
 446            } else {
 447                cx.update(|_, cx| {
 448                    connection
 449                        .clone()
 450                        .new_thread(project.clone(), &root_dir, cx)
 451                })
 452                .log_err()
 453            };
 454
 455            let Some(result) = result else {
 456                return;
 457            };
 458
 459            let result = match result.await {
 460                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 461                    Ok(err) => {
 462                        cx.update(|window, cx| {
 463                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 464                        })
 465                        .log_err();
 466                        return;
 467                    }
 468                    Err(err) => Err(err),
 469                },
 470                Ok(thread) => Ok(thread),
 471            };
 472
 473            this.update_in(cx, |this, window, cx| {
 474                match result {
 475                    Ok(thread) => {
 476                        let action_log = thread.read(cx).action_log().clone();
 477
 478                        this.prompt_capabilities
 479                            .set(thread.read(cx).prompt_capabilities());
 480
 481                        let count = thread.read(cx).entries().len();
 482                        this.list_state.splice(0..0, count);
 483                        this.entry_view_state.update(cx, |view_state, cx| {
 484                            for ix in 0..count {
 485                                view_state.sync_entry(ix, &thread, window, cx);
 486                            }
 487                        });
 488
 489                        if let Some(resume) = resume_thread {
 490                            this.history_store.update(cx, |history, cx| {
 491                                history.push_recently_opened_entry(
 492                                    HistoryEntryId::AcpThread(resume.id),
 493                                    cx,
 494                                );
 495                            });
 496                        }
 497
 498                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 499
 500                        this.model_selector =
 501                            thread
 502                                .read(cx)
 503                                .connection()
 504                                .model_selector()
 505                                .map(|selector| {
 506                                    cx.new(|cx| {
 507                                        AcpModelSelectorPopover::new(
 508                                            thread.read(cx).session_id().clone(),
 509                                            selector,
 510                                            PopoverMenuHandle::default(),
 511                                            this.focus_handle(cx),
 512                                            window,
 513                                            cx,
 514                                        )
 515                                    })
 516                                });
 517
 518                        let mut subscriptions = vec![
 519                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 520                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 521                        ];
 522
 523                        let title_editor =
 524                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 525                                let editor = cx.new(|cx| {
 526                                    let mut editor = Editor::single_line(window, cx);
 527                                    editor.set_text(thread.read(cx).title(), window, cx);
 528                                    editor
 529                                });
 530                                subscriptions.push(cx.subscribe_in(
 531                                    &editor,
 532                                    window,
 533                                    Self::handle_title_editor_event,
 534                                ));
 535                                Some(editor)
 536                            } else {
 537                                None
 538                            };
 539                        this.thread_state = ThreadState::Ready {
 540                            thread,
 541                            title_editor,
 542                            _subscriptions: subscriptions,
 543                        };
 544                        this.message_editor.focus_handle(cx).focus(window);
 545
 546                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 547                            cx.new(|cx| {
 548                                ProfileSelector::new(
 549                                    <dyn Fs>::global(cx),
 550                                    Arc::new(thread.clone()),
 551                                    this.focus_handle(cx),
 552                                    cx,
 553                                )
 554                            })
 555                        });
 556
 557                        cx.notify();
 558                    }
 559                    Err(err) => {
 560                        this.handle_load_error(err, window, cx);
 561                    }
 562                };
 563            })
 564            .log_err();
 565        });
 566
 567        ThreadState::Loading { _task: load_task }
 568    }
 569
 570    fn handle_auth_required(
 571        this: WeakEntity<Self>,
 572        err: AuthRequired,
 573        agent: Rc<dyn AgentServer>,
 574        connection: Rc<dyn AgentConnection>,
 575        window: &mut Window,
 576        cx: &mut App,
 577    ) {
 578        let agent_name = agent.name();
 579        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 580            let registry = LanguageModelRegistry::global(cx);
 581
 582            let sub = window.subscribe(&registry, cx, {
 583                let provider_id = provider_id.clone();
 584                let this = this.clone();
 585                move |_, ev, window, cx| {
 586                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 587                        && &provider_id == updated_provider_id
 588                    {
 589                        this.update(cx, |this, cx| {
 590                            this.thread_state = Self::initial_state(
 591                                agent.clone(),
 592                                None,
 593                                this.workspace.clone(),
 594                                this.project.clone(),
 595                                window,
 596                                cx,
 597                            );
 598                            cx.notify();
 599                        })
 600                        .ok();
 601                    }
 602                }
 603            });
 604
 605            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 606                provider.configuration_view(
 607                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 608                    window,
 609                    cx,
 610                )
 611            });
 612
 613            (view, Some(sub))
 614        } else {
 615            (None, None)
 616        };
 617
 618        this.update(cx, |this, cx| {
 619            this.thread_state = ThreadState::Unauthenticated {
 620                pending_auth_method: None,
 621                connection,
 622                configuration_view,
 623                description: err
 624                    .description
 625                    .clone()
 626                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 627                _subscription: subscription,
 628            };
 629            if this.message_editor.focus_handle(cx).is_focused(window) {
 630                this.focus_handle.focus(window)
 631            }
 632            cx.notify();
 633        })
 634        .ok();
 635    }
 636
 637    fn handle_load_error(
 638        &mut self,
 639        err: anyhow::Error,
 640        window: &mut Window,
 641        cx: &mut Context<Self>,
 642    ) {
 643        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 644            self.thread_state = ThreadState::LoadError(load_err.clone());
 645        } else {
 646            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 647        }
 648        if self.message_editor.focus_handle(cx).is_focused(window) {
 649            self.focus_handle.focus(window)
 650        }
 651        cx.notify();
 652    }
 653
 654    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 655        &self.workspace
 656    }
 657
 658    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 659        match &self.thread_state {
 660            ThreadState::Ready { thread, .. } => Some(thread),
 661            ThreadState::Unauthenticated { .. }
 662            | ThreadState::Loading { .. }
 663            | ThreadState::LoadError { .. } => None,
 664        }
 665    }
 666
 667    pub fn title(&self) -> SharedString {
 668        match &self.thread_state {
 669            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 670            ThreadState::Loading { .. } => "Loading…".into(),
 671            ThreadState::LoadError(error) => match error {
 672                LoadError::NotInstalled { .. } => format!("Install {}", self.agent.name()).into(),
 673                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 674                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 675                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 676            },
 677        }
 678    }
 679
 680    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 681        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 682            title_editor.clone()
 683        } else {
 684            None
 685        }
 686    }
 687
 688    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 689        self.thread_error.take();
 690        self.thread_retry_status.take();
 691
 692        if let Some(thread) = self.thread() {
 693            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 694        }
 695    }
 696
 697    pub fn expand_message_editor(
 698        &mut self,
 699        _: &ExpandMessageEditor,
 700        _window: &mut Window,
 701        cx: &mut Context<Self>,
 702    ) {
 703        self.set_editor_is_expanded(!self.editor_expanded, cx);
 704        cx.notify();
 705    }
 706
 707    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 708        self.editor_expanded = is_expanded;
 709        self.message_editor.update(cx, |editor, cx| {
 710            if is_expanded {
 711                editor.set_mode(
 712                    EditorMode::Full {
 713                        scale_ui_elements_with_buffer_font_size: false,
 714                        show_active_line_background: false,
 715                        sized_by_content: false,
 716                    },
 717                    cx,
 718                )
 719            } else {
 720                editor.set_mode(
 721                    EditorMode::AutoHeight {
 722                        min_lines: MIN_EDITOR_LINES,
 723                        max_lines: Some(MAX_EDITOR_LINES),
 724                    },
 725                    cx,
 726                )
 727            }
 728        });
 729        cx.notify();
 730    }
 731
 732    pub fn handle_title_editor_event(
 733        &mut self,
 734        title_editor: &Entity<Editor>,
 735        event: &EditorEvent,
 736        window: &mut Window,
 737        cx: &mut Context<Self>,
 738    ) {
 739        let Some(thread) = self.thread() else { return };
 740
 741        match event {
 742            EditorEvent::BufferEdited => {
 743                let new_title = title_editor.read(cx).text(cx);
 744                thread.update(cx, |thread, cx| {
 745                    thread
 746                        .set_title(new_title.into(), cx)
 747                        .detach_and_log_err(cx);
 748                })
 749            }
 750            EditorEvent::Blurred => {
 751                if title_editor.read(cx).text(cx).is_empty() {
 752                    title_editor.update(cx, |editor, cx| {
 753                        editor.set_text("New Thread", window, cx);
 754                    });
 755                }
 756            }
 757            _ => {}
 758        }
 759    }
 760
 761    pub fn handle_message_editor_event(
 762        &mut self,
 763        _: &Entity<MessageEditor>,
 764        event: &MessageEditorEvent,
 765        window: &mut Window,
 766        cx: &mut Context<Self>,
 767    ) {
 768        match event {
 769            MessageEditorEvent::Send => self.send(window, cx),
 770            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 771            MessageEditorEvent::Focus => {
 772                self.cancel_editing(&Default::default(), window, cx);
 773            }
 774            MessageEditorEvent::LostFocus => {}
 775        }
 776    }
 777
 778    pub fn handle_entry_view_event(
 779        &mut self,
 780        _: &Entity<EntryViewState>,
 781        event: &EntryViewEvent,
 782        window: &mut Window,
 783        cx: &mut Context<Self>,
 784    ) {
 785        match &event.view_event {
 786            ViewEvent::NewDiff(tool_call_id) => {
 787                if AgentSettings::get_global(cx).expand_edit_card {
 788                    self.expanded_tool_calls.insert(tool_call_id.clone());
 789                }
 790            }
 791            ViewEvent::NewTerminal(tool_call_id) => {
 792                if AgentSettings::get_global(cx).expand_terminal_card {
 793                    self.expanded_tool_calls.insert(tool_call_id.clone());
 794                }
 795            }
 796            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 797                if let Some(thread) = self.thread()
 798                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 799                        thread.read(cx).entries().get(event.entry_index)
 800                    && user_message.id.is_some()
 801                {
 802                    self.editing_message = Some(event.entry_index);
 803                    cx.notify();
 804                }
 805            }
 806            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 807                if let Some(thread) = self.thread()
 808                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 809                        thread.read(cx).entries().get(event.entry_index)
 810                    && user_message.id.is_some()
 811                {
 812                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 813                        self.editing_message = None;
 814                        cx.notify();
 815                    }
 816                }
 817            }
 818            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 819                self.regenerate(event.entry_index, editor, window, cx);
 820            }
 821            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 822                self.cancel_editing(&Default::default(), window, cx);
 823            }
 824        }
 825    }
 826
 827    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 828        self.thread_error.take();
 829        let Some(thread) = self.thread() else {
 830            return;
 831        };
 832        if !thread.read(cx).can_resume(cx) {
 833            return;
 834        }
 835
 836        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 837        cx.spawn(async move |this, cx| {
 838            let result = task.await;
 839
 840            this.update(cx, |this, cx| {
 841                if let Err(err) = result {
 842                    this.handle_thread_error(err, cx);
 843                }
 844            })
 845        })
 846        .detach();
 847    }
 848
 849    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 850        let Some(thread) = self.thread() else { return };
 851
 852        if self.is_loading_contents {
 853            return;
 854        }
 855
 856        self.history_store.update(cx, |history, cx| {
 857            history.push_recently_opened_entry(
 858                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 859                cx,
 860            );
 861        });
 862
 863        if thread.read(cx).status() != ThreadStatus::Idle {
 864            self.stop_current_and_send_new_message(window, cx);
 865            return;
 866        }
 867
 868        let contents = self
 869            .message_editor
 870            .update(cx, |message_editor, cx| message_editor.contents(cx));
 871        self.send_impl(contents, window, cx)
 872    }
 873
 874    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 875        let Some(thread) = self.thread().cloned() else {
 876            return;
 877        };
 878
 879        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
 880
 881        let contents = self
 882            .message_editor
 883            .update(cx, |message_editor, cx| message_editor.contents(cx));
 884
 885        cx.spawn_in(window, async move |this, cx| {
 886            cancelled.await;
 887
 888            this.update_in(cx, |this, window, cx| {
 889                this.send_impl(contents, window, cx);
 890            })
 891            .ok();
 892        })
 893        .detach();
 894    }
 895
 896    fn send_impl(
 897        &mut self,
 898        contents: Task<anyhow::Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
 899        window: &mut Window,
 900        cx: &mut Context<Self>,
 901    ) {
 902        let agent_telemetry_id = self.agent.telemetry_id();
 903
 904        self.thread_error.take();
 905        self.editing_message.take();
 906        self.thread_feedback.clear();
 907
 908        let Some(thread) = self.thread().cloned() else {
 909            return;
 910        };
 911        if self.should_be_following {
 912            self.workspace
 913                .update(cx, |workspace, cx| {
 914                    workspace.follow(CollaboratorId::Agent, window, cx);
 915                })
 916                .ok();
 917        }
 918
 919        self.is_loading_contents = true;
 920        let guard = cx.new(|_| ());
 921        cx.observe_release(&guard, |this, _guard, cx| {
 922            this.is_loading_contents = false;
 923            cx.notify();
 924        })
 925        .detach();
 926
 927        let task = cx.spawn_in(window, async move |this, cx| {
 928            let (contents, tracked_buffers) = contents.await?;
 929
 930            if contents.is_empty() {
 931                return Ok(());
 932            }
 933
 934            this.update_in(cx, |this, window, cx| {
 935                this.set_editor_is_expanded(false, cx);
 936                this.scroll_to_bottom(cx);
 937                this.message_editor.update(cx, |message_editor, cx| {
 938                    message_editor.clear(window, cx);
 939                });
 940            })?;
 941            let send = thread.update(cx, |thread, cx| {
 942                thread.action_log().update(cx, |action_log, cx| {
 943                    for buffer in tracked_buffers {
 944                        action_log.buffer_read(buffer, cx)
 945                    }
 946                });
 947                drop(guard);
 948
 949                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
 950
 951                thread.send(contents, cx)
 952            })?;
 953            send.await
 954        });
 955
 956        cx.spawn(async move |this, cx| {
 957            if let Err(err) = task.await {
 958                this.update(cx, |this, cx| {
 959                    this.handle_thread_error(err, cx);
 960                })
 961                .ok();
 962            } else {
 963                this.update(cx, |this, cx| {
 964                    this.should_be_following = this
 965                        .workspace
 966                        .update(cx, |workspace, _| {
 967                            workspace.is_being_followed(CollaboratorId::Agent)
 968                        })
 969                        .unwrap_or_default();
 970                })
 971                .ok();
 972            }
 973        })
 974        .detach();
 975    }
 976
 977    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 978        let Some(thread) = self.thread().cloned() else {
 979            return;
 980        };
 981
 982        if let Some(index) = self.editing_message.take()
 983            && let Some(editor) = self
 984                .entry_view_state
 985                .read(cx)
 986                .entry(index)
 987                .and_then(|e| e.message_editor())
 988                .cloned()
 989        {
 990            editor.update(cx, |editor, cx| {
 991                if let Some(user_message) = thread
 992                    .read(cx)
 993                    .entries()
 994                    .get(index)
 995                    .and_then(|e| e.user_message())
 996                {
 997                    editor.set_message(user_message.chunks.clone(), window, cx);
 998                }
 999            })
1000        };
1001        self.focus_handle(cx).focus(window);
1002        cx.notify();
1003    }
1004
1005    fn regenerate(
1006        &mut self,
1007        entry_ix: usize,
1008        message_editor: &Entity<MessageEditor>,
1009        window: &mut Window,
1010        cx: &mut Context<Self>,
1011    ) {
1012        let Some(thread) = self.thread().cloned() else {
1013            return;
1014        };
1015        if self.is_loading_contents {
1016            return;
1017        }
1018
1019        let Some(user_message_id) = thread.update(cx, |thread, _| {
1020            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1021        }) else {
1022            return;
1023        };
1024
1025        let contents = message_editor.update(cx, |message_editor, cx| message_editor.contents(cx));
1026
1027        let task = cx.spawn(async move |_, cx| {
1028            let contents = contents.await?;
1029            thread
1030                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1031                .await?;
1032            Ok(contents)
1033        });
1034        self.send_impl(task, window, cx);
1035    }
1036
1037    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
1038        if let Some(thread) = self.thread() {
1039            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
1040        }
1041    }
1042
1043    fn open_edited_buffer(
1044        &mut self,
1045        buffer: &Entity<Buffer>,
1046        window: &mut Window,
1047        cx: &mut Context<Self>,
1048    ) {
1049        let Some(thread) = self.thread() else {
1050            return;
1051        };
1052
1053        let Some(diff) =
1054            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1055        else {
1056            return;
1057        };
1058
1059        diff.update(cx, |diff, cx| {
1060            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1061        })
1062    }
1063
1064    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1065        let Some(thread) = self.as_native_thread(cx) else {
1066            return;
1067        };
1068        let project_context = thread.read(cx).project_context().read(cx);
1069
1070        let project_entry_ids = project_context
1071            .worktrees
1072            .iter()
1073            .flat_map(|worktree| worktree.rules_file.as_ref())
1074            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1075            .collect::<Vec<_>>();
1076
1077        self.workspace
1078            .update(cx, move |workspace, cx| {
1079                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1080                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1081                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1082                let project = workspace.project().read(cx);
1083                let project_paths = project_entry_ids
1084                    .into_iter()
1085                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1086                    .collect::<Vec<_>>();
1087                for project_path in project_paths {
1088                    workspace
1089                        .open_path(project_path, None, true, window, cx)
1090                        .detach_and_log_err(cx);
1091                }
1092            })
1093            .ok();
1094    }
1095
1096    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1097        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1098        cx.notify();
1099    }
1100
1101    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1102        self.thread_error = None;
1103        cx.notify();
1104    }
1105
1106    fn handle_thread_event(
1107        &mut self,
1108        thread: &Entity<AcpThread>,
1109        event: &AcpThreadEvent,
1110        window: &mut Window,
1111        cx: &mut Context<Self>,
1112    ) {
1113        match event {
1114            AcpThreadEvent::NewEntry => {
1115                let len = thread.read(cx).entries().len();
1116                let index = len - 1;
1117                self.entry_view_state.update(cx, |view_state, cx| {
1118                    view_state.sync_entry(index, thread, window, cx)
1119                });
1120                self.list_state.splice(index..index, 1);
1121            }
1122            AcpThreadEvent::EntryUpdated(index) => {
1123                self.entry_view_state.update(cx, |view_state, cx| {
1124                    view_state.sync_entry(*index, thread, window, cx)
1125                });
1126            }
1127            AcpThreadEvent::EntriesRemoved(range) => {
1128                self.entry_view_state
1129                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1130                self.list_state.splice(range.clone(), 0);
1131            }
1132            AcpThreadEvent::ToolAuthorizationRequired => {
1133                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1134            }
1135            AcpThreadEvent::Retry(retry) => {
1136                self.thread_retry_status = Some(retry.clone());
1137            }
1138            AcpThreadEvent::Stopped => {
1139                self.thread_retry_status.take();
1140                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1141                self.notify_with_sound(
1142                    if used_tools {
1143                        "Finished running tools"
1144                    } else {
1145                        "New message"
1146                    },
1147                    IconName::ZedAssistant,
1148                    window,
1149                    cx,
1150                );
1151            }
1152            AcpThreadEvent::Error => {
1153                self.thread_retry_status.take();
1154                self.notify_with_sound(
1155                    "Agent stopped due to an error",
1156                    IconName::Warning,
1157                    window,
1158                    cx,
1159                );
1160            }
1161            AcpThreadEvent::LoadError(error) => {
1162                self.thread_retry_status.take();
1163                self.thread_state = ThreadState::LoadError(error.clone());
1164                if self.message_editor.focus_handle(cx).is_focused(window) {
1165                    self.focus_handle.focus(window)
1166                }
1167            }
1168            AcpThreadEvent::TitleUpdated => {
1169                let title = thread.read(cx).title();
1170                if let Some(title_editor) = self.title_editor() {
1171                    title_editor.update(cx, |editor, cx| {
1172                        if editor.text(cx) != title {
1173                            editor.set_text(title, window, cx);
1174                        }
1175                    });
1176                }
1177            }
1178            AcpThreadEvent::PromptCapabilitiesUpdated => {
1179                self.prompt_capabilities
1180                    .set(thread.read(cx).prompt_capabilities());
1181            }
1182            AcpThreadEvent::TokenUsageUpdated => {}
1183        }
1184        cx.notify();
1185    }
1186
1187    fn authenticate(
1188        &mut self,
1189        method: acp::AuthMethodId,
1190        window: &mut Window,
1191        cx: &mut Context<Self>,
1192    ) {
1193        let ThreadState::Unauthenticated {
1194            connection,
1195            pending_auth_method,
1196            configuration_view,
1197            ..
1198        } = &mut self.thread_state
1199        else {
1200            return;
1201        };
1202
1203        if method.0.as_ref() == "gemini-api-key" {
1204            let registry = LanguageModelRegistry::global(cx);
1205            let provider = registry
1206                .read(cx)
1207                .provider(&language_model::GOOGLE_PROVIDER_ID)
1208                .unwrap();
1209            if !provider.is_authenticated(cx) {
1210                let this = cx.weak_entity();
1211                let agent = self.agent.clone();
1212                let connection = connection.clone();
1213                window.defer(cx, |window, cx| {
1214                    Self::handle_auth_required(
1215                        this,
1216                        AuthRequired {
1217                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1218                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1219                        },
1220                        agent,
1221                        connection,
1222                        window,
1223                        cx,
1224                    );
1225                });
1226                return;
1227            }
1228        } else if method.0.as_ref() == "vertex-ai"
1229            && std::env::var("GOOGLE_API_KEY").is_err()
1230            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1231                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1232        {
1233            let this = cx.weak_entity();
1234            let agent = self.agent.clone();
1235            let connection = connection.clone();
1236
1237            window.defer(cx, |window, cx| {
1238                    Self::handle_auth_required(
1239                        this,
1240                        AuthRequired {
1241                            description: Some(
1242                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1243                                    .to_owned(),
1244                            ),
1245                            provider_id: None,
1246                        },
1247                        agent,
1248                        connection,
1249                        window,
1250                        cx,
1251                    )
1252                });
1253            return;
1254        }
1255
1256        self.thread_error.take();
1257        configuration_view.take();
1258        pending_auth_method.replace(method.clone());
1259        let authenticate = connection.authenticate(method, cx);
1260        cx.notify();
1261        self.auth_task =
1262            Some(cx.spawn_in(window, {
1263                let project = self.project.clone();
1264                let agent = self.agent.clone();
1265                async move |this, cx| {
1266                    let result = authenticate.await;
1267
1268                    match &result {
1269                        Ok(_) => telemetry::event!(
1270                            "Authenticate Agent Succeeded",
1271                            agent = agent.telemetry_id()
1272                        ),
1273                        Err(_) => {
1274                            telemetry::event!(
1275                                "Authenticate Agent Failed",
1276                                agent = agent.telemetry_id(),
1277                            )
1278                        }
1279                    }
1280
1281                    this.update_in(cx, |this, window, cx| {
1282                        if let Err(err) = result {
1283                            this.handle_thread_error(err, cx);
1284                        } else {
1285                            this.thread_state = Self::initial_state(
1286                                agent,
1287                                None,
1288                                this.workspace.clone(),
1289                                project.clone(),
1290                                window,
1291                                cx,
1292                            )
1293                        }
1294                        this.auth_task.take()
1295                    })
1296                    .ok();
1297                }
1298            }));
1299    }
1300
1301    fn authorize_tool_call(
1302        &mut self,
1303        tool_call_id: acp::ToolCallId,
1304        option_id: acp::PermissionOptionId,
1305        option_kind: acp::PermissionOptionKind,
1306        window: &mut Window,
1307        cx: &mut Context<Self>,
1308    ) {
1309        let Some(thread) = self.thread() else {
1310            return;
1311        };
1312        thread.update(cx, |thread, cx| {
1313            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1314        });
1315        if self.should_be_following {
1316            self.workspace
1317                .update(cx, |workspace, cx| {
1318                    workspace.follow(CollaboratorId::Agent, window, cx);
1319                })
1320                .ok();
1321        }
1322        cx.notify();
1323    }
1324
1325    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1326        let Some(thread) = self.thread() else {
1327            return;
1328        };
1329        thread
1330            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1331            .detach_and_log_err(cx);
1332        cx.notify();
1333    }
1334
1335    fn render_entry(
1336        &self,
1337        entry_ix: usize,
1338        total_entries: usize,
1339        entry: &AgentThreadEntry,
1340        window: &mut Window,
1341        cx: &Context<Self>,
1342    ) -> AnyElement {
1343        let is_generating = self
1344            .thread()
1345            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
1346
1347        let primary = match &entry {
1348            AgentThreadEntry::UserMessage(message) => {
1349                let Some(editor) = self
1350                    .entry_view_state
1351                    .read(cx)
1352                    .entry(entry_ix)
1353                    .and_then(|entry| entry.message_editor())
1354                    .cloned()
1355                else {
1356                    return Empty.into_any_element();
1357                };
1358
1359                let editing = self.editing_message == Some(entry_ix);
1360                let editor_focus = editor.focus_handle(cx).is_focused(window);
1361                let focus_border = cx.theme().colors().border_focused;
1362
1363                let rules_item = if entry_ix == 0 {
1364                    self.render_rules_item(cx)
1365                } else {
1366                    None
1367                };
1368
1369                let has_checkpoint_button = message
1370                    .checkpoint
1371                    .as_ref()
1372                    .is_some_and(|checkpoint| checkpoint.show);
1373
1374                let agent_name = self.agent.name();
1375
1376                v_flex()
1377                    .id(("user_message", entry_ix))
1378                    .map(|this| {
1379                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1380                            this.pt_4()
1381                        } else if rules_item.is_some() {
1382                            this.pt_3()
1383                        } else {
1384                            this.pt_2()
1385                        }
1386                    })
1387                    .pb_4()
1388                    .px_2()
1389                    .gap_1p5()
1390                    .w_full()
1391                    .children(rules_item)
1392                    .children(message.id.clone().and_then(|message_id| {
1393                        message.checkpoint.as_ref()?.show.then(|| {
1394                            h_flex()
1395                                .px_3()
1396                                .gap_2()
1397                                .child(Divider::horizontal())
1398                                .child(
1399                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1400                                        .icon(IconName::Undo)
1401                                        .icon_size(IconSize::XSmall)
1402                                        .icon_position(IconPosition::Start)
1403                                        .label_size(LabelSize::XSmall)
1404                                        .icon_color(Color::Muted)
1405                                        .color(Color::Muted)
1406                                        .on_click(cx.listener(move |this, _, _window, cx| {
1407                                            this.rewind(&message_id, cx);
1408                                        }))
1409                                )
1410                                .child(Divider::horizontal())
1411                        })
1412                    }))
1413                    .child(
1414                        div()
1415                            .relative()
1416                            .child(
1417                                div()
1418                                    .py_3()
1419                                    .px_2()
1420                                    .rounded_md()
1421                                    .shadow_md()
1422                                    .bg(cx.theme().colors().editor_background)
1423                                    .border_1()
1424                                    .when(editing && !editor_focus, |this| this.border_dashed())
1425                                    .border_color(cx.theme().colors().border)
1426                                    .map(|this|{
1427                                        if editing && editor_focus {
1428                                            this.border_color(focus_border)
1429                                        } else if message.id.is_some() {
1430                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1431                                        } else {
1432                                            this
1433                                        }
1434                                    })
1435                                    .text_xs()
1436                                    .child(editor.clone().into_any_element()),
1437                            )
1438                            .when(editor_focus, |this| {
1439                                let base_container = h_flex()
1440                                    .absolute()
1441                                    .top_neg_3p5()
1442                                    .right_3()
1443                                    .gap_1()
1444                                    .rounded_sm()
1445                                    .border_1()
1446                                    .border_color(cx.theme().colors().border)
1447                                    .bg(cx.theme().colors().editor_background)
1448                                    .overflow_hidden();
1449
1450                                if message.id.is_some() {
1451                                    this.child(
1452                                        base_container
1453                                            .child(
1454                                                IconButton::new("cancel", IconName::Close)
1455                                                    .disabled(self.is_loading_contents)
1456                                                    .icon_color(Color::Error)
1457                                                    .icon_size(IconSize::XSmall)
1458                                                    .on_click(cx.listener(Self::cancel_editing))
1459                                            )
1460                                            .child(
1461                                                if self.is_loading_contents {
1462                                                    div()
1463                                                        .id("loading-edited-message-content")
1464                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1465                                                        .child(loading_contents_spinner(IconSize::XSmall))
1466                                                        .into_any_element()
1467                                                } else {
1468                                                    IconButton::new("regenerate", IconName::Return)
1469                                                        .icon_color(Color::Muted)
1470                                                        .icon_size(IconSize::XSmall)
1471                                                        .tooltip(Tooltip::text(
1472                                                            "Editing will restart the thread from this point."
1473                                                        ))
1474                                                        .on_click(cx.listener({
1475                                                            let editor = editor.clone();
1476                                                            move |this, _, window, cx| {
1477                                                                this.regenerate(
1478                                                                    entry_ix, &editor, window, cx,
1479                                                                );
1480                                                            }
1481                                                        })).into_any_element()
1482                                                }
1483                                            )
1484                                    )
1485                                } else {
1486                                    this.child(
1487                                        base_container
1488                                            .border_dashed()
1489                                            .child(
1490                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1491                                                    .icon_size(IconSize::Small)
1492                                                    .icon_color(Color::Muted)
1493                                                    .style(ButtonStyle::Transparent)
1494                                                    .tooltip(move |_window, cx| {
1495                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1496                                                            .into()
1497                                                    })
1498                                            )
1499                                    )
1500                                }
1501                            }),
1502                    )
1503                    .into_any()
1504            }
1505            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1506                let is_last = entry_ix + 1 == total_entries;
1507                let pending_thinking_chunk_ix = if is_generating && is_last {
1508                    chunks
1509                        .iter()
1510                        .enumerate()
1511                        .next_back()
1512                        .filter(|(_, segment)| {
1513                            matches!(segment, AssistantMessageChunk::Thought { .. })
1514                        })
1515                        .map(|(index, _)| index)
1516                } else {
1517                    None
1518                };
1519
1520                let style = default_markdown_style(false, false, window, cx);
1521                let message_body = v_flex()
1522                    .w_full()
1523                    .gap_2p5()
1524                    .children(chunks.iter().enumerate().filter_map(
1525                        |(chunk_ix, chunk)| match chunk {
1526                            AssistantMessageChunk::Message { block } => {
1527                                block.markdown().map(|md| {
1528                                    self.render_markdown(md.clone(), style.clone())
1529                                        .into_any_element()
1530                                })
1531                            }
1532                            AssistantMessageChunk::Thought { block } => {
1533                                block.markdown().map(|md| {
1534                                    self.render_thinking_block(
1535                                        entry_ix,
1536                                        chunk_ix,
1537                                        md.clone(),
1538                                        Some(chunk_ix) == pending_thinking_chunk_ix,
1539                                        window,
1540                                        cx,
1541                                    )
1542                                    .into_any_element()
1543                                })
1544                            }
1545                        },
1546                    ))
1547                    .into_any();
1548
1549                v_flex()
1550                    .px_5()
1551                    .py_1()
1552                    .when(is_last, |this| this.pb_4())
1553                    .w_full()
1554                    .text_ui(cx)
1555                    .child(message_body)
1556                    .into_any()
1557            }
1558            AgentThreadEntry::ToolCall(tool_call) => {
1559                let has_terminals = tool_call.terminals().next().is_some();
1560
1561                div().w_full().map(|this| {
1562                    if has_terminals {
1563                        this.children(tool_call.terminals().map(|terminal| {
1564                            self.render_terminal_tool_call(
1565                                entry_ix, terminal, tool_call, window, cx,
1566                            )
1567                        }))
1568                    } else {
1569                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1570                    }
1571                })
1572            }
1573            .into_any(),
1574        };
1575
1576        let Some(thread) = self.thread() else {
1577            return primary;
1578        };
1579
1580        let primary = if entry_ix == total_entries - 1 {
1581            v_flex()
1582                .w_full()
1583                .child(primary)
1584                .child(self.render_thread_controls(&thread, cx))
1585                .when_some(
1586                    self.thread_feedback.comments_editor.clone(),
1587                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1588                )
1589                .into_any_element()
1590        } else {
1591            primary
1592        };
1593
1594        if let Some(editing_index) = self.editing_message.as_ref()
1595            && *editing_index < entry_ix
1596        {
1597            let backdrop = div()
1598                .id(("backdrop", entry_ix))
1599                .size_full()
1600                .absolute()
1601                .inset_0()
1602                .bg(cx.theme().colors().panel_background)
1603                .opacity(0.8)
1604                .block_mouse_except_scroll()
1605                .on_click(cx.listener(Self::cancel_editing));
1606
1607            div()
1608                .relative()
1609                .child(primary)
1610                .child(backdrop)
1611                .into_any_element()
1612        } else {
1613            primary
1614        }
1615    }
1616
1617    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1618        cx.theme()
1619            .colors()
1620            .element_background
1621            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1622    }
1623
1624    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1625        cx.theme().colors().border.opacity(0.8)
1626    }
1627
1628    fn tool_name_font_size(&self) -> Rems {
1629        rems_from_px(13.)
1630    }
1631
1632    fn render_thinking_block(
1633        &self,
1634        entry_ix: usize,
1635        chunk_ix: usize,
1636        chunk: Entity<Markdown>,
1637        pending: bool,
1638        window: &Window,
1639        cx: &Context<Self>,
1640    ) -> AnyElement {
1641        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1642        let card_header_id = SharedString::from("inner-card-header");
1643
1644        let key = (entry_ix, chunk_ix);
1645
1646        let is_open = self.expanded_thinking_blocks.contains(&key);
1647        let editor_bg = cx.theme().colors().editor_background;
1648        let gradient_overlay = div()
1649            .rounded_b_lg()
1650            .h_full()
1651            .absolute()
1652            .w_full()
1653            .bottom_0()
1654            .left_0()
1655            .bg(linear_gradient(
1656                180.,
1657                linear_color_stop(editor_bg, 1.),
1658                linear_color_stop(editor_bg.opacity(0.2), 0.),
1659            ));
1660
1661        let scroll_handle = self
1662            .entry_view_state
1663            .read(cx)
1664            .entry(entry_ix)
1665            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
1666
1667        v_flex()
1668            .rounded_md()
1669            .border_1()
1670            .border_color(self.tool_card_border_color(cx))
1671            .child(
1672                h_flex()
1673                    .id(header_id)
1674                    .group(&card_header_id)
1675                    .relative()
1676                    .w_full()
1677                    .py_0p5()
1678                    .px_1p5()
1679                    .rounded_t_md()
1680                    .bg(self.tool_card_header_bg(cx))
1681                    .justify_between()
1682                    .border_b_1()
1683                    .border_color(self.tool_card_border_color(cx))
1684                    .child(
1685                        h_flex()
1686                            .h(window.line_height())
1687                            .gap_1p5()
1688                            .child(
1689                                Icon::new(IconName::ToolThink)
1690                                    .size(IconSize::Small)
1691                                    .color(Color::Muted),
1692                            )
1693                            .child(
1694                                div()
1695                                    .text_size(self.tool_name_font_size())
1696                                    .text_color(cx.theme().colors().text_muted)
1697                                    .map(|this| {
1698                                        if pending {
1699                                            this.child("Thinking")
1700                                        } else {
1701                                            this.child("Thought Process")
1702                                        }
1703                                    }),
1704                            ),
1705                    )
1706                    .child(
1707                        Disclosure::new(("expand", entry_ix), is_open)
1708                            .opened_icon(IconName::ChevronUp)
1709                            .closed_icon(IconName::ChevronDown)
1710                            .visible_on_hover(&card_header_id)
1711                            .on_click(cx.listener({
1712                                move |this, _event, _window, cx| {
1713                                    if is_open {
1714                                        this.expanded_thinking_blocks.remove(&key);
1715                                    } else {
1716                                        this.expanded_thinking_blocks.insert(key);
1717                                    }
1718                                    cx.notify();
1719                                }
1720                            })),
1721                    )
1722                    .on_click(cx.listener({
1723                        move |this, _event, _window, cx| {
1724                            if is_open {
1725                                this.expanded_thinking_blocks.remove(&key);
1726                            } else {
1727                                this.expanded_thinking_blocks.insert(key);
1728                            }
1729                            cx.notify();
1730                        }
1731                    })),
1732            )
1733            .child(
1734                div()
1735                    .relative()
1736                    .bg(editor_bg)
1737                    .rounded_b_lg()
1738                    .child(
1739                        div()
1740                            .id(("thinking-content", chunk_ix))
1741                            .when_some(scroll_handle, |this, scroll_handle| {
1742                                this.track_scroll(&scroll_handle)
1743                            })
1744                            .p_2()
1745                            .when(!is_open, |this| this.max_h_20())
1746                            .text_ui_sm(cx)
1747                            .overflow_hidden()
1748                            .child(self.render_markdown(
1749                                chunk,
1750                                default_markdown_style(false, false, window, cx),
1751                            )),
1752                    )
1753                    .when(!is_open && pending, |this| this.child(gradient_overlay)),
1754            )
1755            .into_any_element()
1756    }
1757
1758    fn render_tool_call(
1759        &self,
1760        entry_ix: usize,
1761        tool_call: &ToolCall,
1762        window: &Window,
1763        cx: &Context<Self>,
1764    ) -> Div {
1765        let card_header_id = SharedString::from("inner-tool-call-header");
1766
1767        let tool_icon =
1768            if tool_call.kind == acp::ToolKind::Edit && tool_call.locations.len() == 1 {
1769                FileIcons::get_icon(&tool_call.locations[0].path, cx)
1770                    .map(Icon::from_path)
1771                    .unwrap_or(Icon::new(IconName::ToolPencil))
1772            } else {
1773                Icon::new(match tool_call.kind {
1774                    acp::ToolKind::Read => IconName::ToolSearch,
1775                    acp::ToolKind::Edit => IconName::ToolPencil,
1776                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
1777                    acp::ToolKind::Move => IconName::ArrowRightLeft,
1778                    acp::ToolKind::Search => IconName::ToolSearch,
1779                    acp::ToolKind::Execute => IconName::ToolTerminal,
1780                    acp::ToolKind::Think => IconName::ToolThink,
1781                    acp::ToolKind::Fetch => IconName::ToolWeb,
1782                    acp::ToolKind::Other => IconName::ToolHammer,
1783                })
1784            }
1785            .size(IconSize::Small)
1786            .color(Color::Muted);
1787
1788        let failed_or_canceled = match &tool_call.status {
1789            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
1790            _ => false,
1791        };
1792
1793        let has_location = tool_call.locations.len() == 1;
1794        let needs_confirmation = matches!(
1795            tool_call.status,
1796            ToolCallStatus::WaitingForConfirmation { .. }
1797        );
1798        let is_edit =
1799            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
1800        let use_card_layout = needs_confirmation || is_edit;
1801
1802        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
1803
1804        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
1805
1806        let gradient_overlay = {
1807            div()
1808                .absolute()
1809                .top_0()
1810                .right_0()
1811                .w_12()
1812                .h_full()
1813                .map(|this| {
1814                    if use_card_layout {
1815                        this.bg(linear_gradient(
1816                            90.,
1817                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
1818                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
1819                        ))
1820                    } else {
1821                        this.bg(linear_gradient(
1822                            90.,
1823                            linear_color_stop(cx.theme().colors().panel_background, 1.),
1824                            linear_color_stop(
1825                                cx.theme().colors().panel_background.opacity(0.2),
1826                                0.,
1827                            ),
1828                        ))
1829                    }
1830                })
1831        };
1832
1833        let tool_output_display = if is_open {
1834            match &tool_call.status {
1835                ToolCallStatus::WaitingForConfirmation { options, .. } => {
1836                    v_flex()
1837                        .w_full()
1838                        .children(tool_call.content.iter().map(|content| {
1839                            div()
1840                                .child(self.render_tool_call_content(
1841                                    entry_ix, content, tool_call, window, cx,
1842                                ))
1843                                .into_any_element()
1844                        }))
1845                        .child(self.render_permission_buttons(
1846                            options,
1847                            entry_ix,
1848                            tool_call.id.clone(),
1849                            tool_call.content.is_empty(),
1850                            cx,
1851                        ))
1852                        .into_any()
1853                }
1854                ToolCallStatus::Pending | ToolCallStatus::InProgress
1855                    if is_edit
1856                        && tool_call.content.is_empty()
1857                        && self.as_native_connection(cx).is_some() =>
1858                {
1859                    self.render_diff_loading(cx).into_any()
1860                }
1861                ToolCallStatus::Pending
1862                | ToolCallStatus::InProgress
1863                | ToolCallStatus::Completed
1864                | ToolCallStatus::Failed
1865                | ToolCallStatus::Canceled => v_flex()
1866                    .w_full()
1867                    .children(tool_call.content.iter().map(|content| {
1868                        div().child(
1869                            self.render_tool_call_content(entry_ix, content, tool_call, window, cx),
1870                        )
1871                    }))
1872                    .into_any(),
1873                ToolCallStatus::Rejected => Empty.into_any(),
1874            }
1875            .into()
1876        } else {
1877            None
1878        };
1879
1880        v_flex()
1881            .map(|this| {
1882                if use_card_layout {
1883                    this.my_2()
1884                        .rounded_md()
1885                        .border_1()
1886                        .border_color(self.tool_card_border_color(cx))
1887                        .bg(cx.theme().colors().editor_background)
1888                        .overflow_hidden()
1889                } else {
1890                    this.my_1()
1891                }
1892            })
1893            .map(|this| {
1894                if has_location && !use_card_layout {
1895                    this.ml_4()
1896                } else {
1897                    this.ml_5()
1898                }
1899            })
1900            .mr_5()
1901            .child(
1902                h_flex()
1903                    .group(&card_header_id)
1904                    .relative()
1905                    .w_full()
1906                    .gap_1()
1907                    .justify_between()
1908                    .when(use_card_layout, |this| {
1909                        this.p_0p5()
1910                            .rounded_t_md()
1911                            .bg(self.tool_card_header_bg(cx))
1912                            .when(is_open && !failed_or_canceled, |this| {
1913                                this.border_b_1()
1914                                    .border_color(self.tool_card_border_color(cx))
1915                            })
1916                    })
1917                    .child(
1918                        h_flex()
1919                            .relative()
1920                            .w_full()
1921                            .h(window.line_height())
1922                            .text_size(self.tool_name_font_size())
1923                            .gap_1p5()
1924                            .when(has_location || use_card_layout, |this| this.px_1())
1925                            .when(has_location, |this| {
1926                                this.cursor(CursorStyle::PointingHand)
1927                                    .rounded_sm()
1928                                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
1929                            })
1930                            .overflow_hidden()
1931                            .child(tool_icon)
1932                            .child(if has_location {
1933                                let name = tool_call.locations[0]
1934                                    .path
1935                                    .file_name()
1936                                    .unwrap_or_default()
1937                                    .display()
1938                                    .to_string();
1939
1940                                h_flex()
1941                                    .id(("open-tool-call-location", entry_ix))
1942                                    .w_full()
1943                                    .map(|this| {
1944                                        if use_card_layout {
1945                                            this.text_color(cx.theme().colors().text)
1946                                        } else {
1947                                            this.text_color(cx.theme().colors().text_muted)
1948                                        }
1949                                    })
1950                                    .child(name)
1951                                    .tooltip(Tooltip::text("Jump to File"))
1952                                    .on_click(cx.listener(move |this, _, window, cx| {
1953                                        this.open_tool_call_location(entry_ix, 0, window, cx);
1954                                    }))
1955                                    .into_any_element()
1956                            } else {
1957                                h_flex()
1958                                    .w_full()
1959                                    .child(self.render_markdown(
1960                                        tool_call.label.clone(),
1961                                        default_markdown_style(false, true, window, cx),
1962                                    ))
1963                                    .into_any()
1964                            })
1965                            .when(!has_location, |this| this.child(gradient_overlay)),
1966                    )
1967                    .when(is_collapsible || failed_or_canceled, |this| {
1968                        this.child(
1969                            h_flex()
1970                                .px_1()
1971                                .gap_px()
1972                                .when(is_collapsible, |this| {
1973                                    this.child(
1974                                    Disclosure::new(("expand", entry_ix), is_open)
1975                                        .opened_icon(IconName::ChevronUp)
1976                                        .closed_icon(IconName::ChevronDown)
1977                                        .visible_on_hover(&card_header_id)
1978                                        .on_click(cx.listener({
1979                                            let id = tool_call.id.clone();
1980                                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1981                                                if is_open {
1982                                                    this.expanded_tool_calls.remove(&id);
1983                                                } else {
1984                                                    this.expanded_tool_calls.insert(id.clone());
1985                                                }
1986                                                cx.notify();
1987                                            }
1988                                        })),
1989                                )
1990                                })
1991                                .when(failed_or_canceled, |this| {
1992                                    this.child(
1993                                        Icon::new(IconName::Close)
1994                                            .color(Color::Error)
1995                                            .size(IconSize::Small),
1996                                    )
1997                                }),
1998                        )
1999                    }),
2000            )
2001            .children(tool_output_display)
2002    }
2003
2004    fn render_tool_call_content(
2005        &self,
2006        entry_ix: usize,
2007        content: &ToolCallContent,
2008        tool_call: &ToolCall,
2009        window: &Window,
2010        cx: &Context<Self>,
2011    ) -> AnyElement {
2012        match content {
2013            ToolCallContent::ContentBlock(content) => {
2014                if let Some(resource_link) = content.resource_link() {
2015                    self.render_resource_link(resource_link, cx)
2016                } else if let Some(markdown) = content.markdown() {
2017                    self.render_markdown_output(markdown.clone(), tool_call.id.clone(), window, cx)
2018                } else {
2019                    Empty.into_any_element()
2020                }
2021            }
2022            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2023            ToolCallContent::Terminal(terminal) => {
2024                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2025            }
2026        }
2027    }
2028
2029    fn render_markdown_output(
2030        &self,
2031        markdown: Entity<Markdown>,
2032        tool_call_id: acp::ToolCallId,
2033        window: &Window,
2034        cx: &Context<Self>,
2035    ) -> AnyElement {
2036        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2037
2038        v_flex()
2039            .mt_1p5()
2040            .ml(rems(0.4))
2041            .px_3p5()
2042            .gap_2()
2043            .border_l_1()
2044            .border_color(self.tool_card_border_color(cx))
2045            .text_sm()
2046            .text_color(cx.theme().colors().text_muted)
2047            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2048            .child(
2049                IconButton::new(button_id, IconName::ChevronUp)
2050                    .full_width()
2051                    .style(ButtonStyle::Outlined)
2052                    .icon_color(Color::Muted)
2053                    .on_click(cx.listener({
2054                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2055                            this.expanded_tool_calls.remove(&tool_call_id);
2056                            cx.notify();
2057                        }
2058                    })),
2059            )
2060            .into_any_element()
2061    }
2062
2063    fn render_resource_link(
2064        &self,
2065        resource_link: &acp::ResourceLink,
2066        cx: &Context<Self>,
2067    ) -> AnyElement {
2068        let uri: SharedString = resource_link.uri.clone().into();
2069        let is_file = resource_link.uri.strip_prefix("file://");
2070
2071        let label: SharedString = if let Some(abs_path) = is_file {
2072            if let Some(project_path) = self
2073                .project
2074                .read(cx)
2075                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2076                && let Some(worktree) = self
2077                    .project
2078                    .read(cx)
2079                    .worktree_for_id(project_path.worktree_id, cx)
2080            {
2081                worktree
2082                    .read(cx)
2083                    .full_path(&project_path.path)
2084                    .to_string_lossy()
2085                    .to_string()
2086                    .into()
2087            } else {
2088                abs_path.to_string().into()
2089            }
2090        } else {
2091            uri.clone()
2092        };
2093
2094        let button_id = SharedString::from(format!("item-{}", uri));
2095
2096        div()
2097            .ml(rems(0.4))
2098            .pl_2p5()
2099            .border_l_1()
2100            .border_color(self.tool_card_border_color(cx))
2101            .overflow_hidden()
2102            .child(
2103                Button::new(button_id, label)
2104                    .label_size(LabelSize::Small)
2105                    .color(Color::Muted)
2106                    .truncate(true)
2107                    .when(is_file.is_none(), |this| {
2108                        this.icon(IconName::ArrowUpRight)
2109                            .icon_size(IconSize::XSmall)
2110                            .icon_color(Color::Muted)
2111                    })
2112                    .on_click(cx.listener({
2113                        let workspace = self.workspace.clone();
2114                        move |_, _, window, cx: &mut Context<Self>| {
2115                            Self::open_link(uri.clone(), &workspace, window, cx);
2116                        }
2117                    })),
2118            )
2119            .into_any_element()
2120    }
2121
2122    fn render_permission_buttons(
2123        &self,
2124        options: &[acp::PermissionOption],
2125        entry_ix: usize,
2126        tool_call_id: acp::ToolCallId,
2127        empty_content: bool,
2128        cx: &Context<Self>,
2129    ) -> Div {
2130        h_flex()
2131            .py_1()
2132            .pl_2()
2133            .pr_1()
2134            .gap_1()
2135            .justify_between()
2136            .flex_wrap()
2137            .when(!empty_content, |this| {
2138                this.border_t_1()
2139                    .border_color(self.tool_card_border_color(cx))
2140            })
2141            .child(
2142                div()
2143                    .min_w(rems_from_px(145.))
2144                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
2145            )
2146            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
2147                let option_id = SharedString::from(option.id.0.clone());
2148                Button::new((option_id, entry_ix), option.name.clone())
2149                    .map(|this| match option.kind {
2150                        acp::PermissionOptionKind::AllowOnce => {
2151                            this.icon(IconName::Check).icon_color(Color::Success)
2152                        }
2153                        acp::PermissionOptionKind::AllowAlways => {
2154                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
2155                        }
2156                        acp::PermissionOptionKind::RejectOnce => {
2157                            this.icon(IconName::Close).icon_color(Color::Error)
2158                        }
2159                        acp::PermissionOptionKind::RejectAlways => {
2160                            this.icon(IconName::Close).icon_color(Color::Error)
2161                        }
2162                    })
2163                    .icon_position(IconPosition::Start)
2164                    .icon_size(IconSize::XSmall)
2165                    .label_size(LabelSize::Small)
2166                    .on_click(cx.listener({
2167                        let tool_call_id = tool_call_id.clone();
2168                        let option_id = option.id.clone();
2169                        let option_kind = option.kind;
2170                        move |this, _, window, cx| {
2171                            this.authorize_tool_call(
2172                                tool_call_id.clone(),
2173                                option_id.clone(),
2174                                option_kind,
2175                                window,
2176                                cx,
2177                            );
2178                        }
2179                    }))
2180            })))
2181    }
2182
2183    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2184        let bar = |n: u64, width_class: &str| {
2185            let bg_color = cx.theme().colors().element_active;
2186            let base = h_flex().h_1().rounded_full();
2187
2188            let modified = match width_class {
2189                "w_4_5" => base.w_3_4(),
2190                "w_1_4" => base.w_1_4(),
2191                "w_2_4" => base.w_2_4(),
2192                "w_3_5" => base.w_3_5(),
2193                "w_2_5" => base.w_2_5(),
2194                _ => base.w_1_2(),
2195            };
2196
2197            modified.with_animation(
2198                ElementId::Integer(n),
2199                Animation::new(Duration::from_secs(2)).repeat(),
2200                move |tab, delta| {
2201                    let delta = (delta - 0.15 * n as f32) / 0.7;
2202                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2203                    let delta = ease_in_out(delta.clamp(0., 1.));
2204                    let delta = 0.1 + 0.9 * delta;
2205
2206                    tab.bg(bg_color.opacity(delta))
2207                },
2208            )
2209        };
2210
2211        v_flex()
2212            .p_3()
2213            .gap_1()
2214            .rounded_b_md()
2215            .bg(cx.theme().colors().editor_background)
2216            .child(bar(0, "w_4_5"))
2217            .child(bar(1, "w_1_4"))
2218            .child(bar(2, "w_2_4"))
2219            .child(bar(3, "w_3_5"))
2220            .child(bar(4, "w_2_5"))
2221            .into_any_element()
2222    }
2223
2224    fn render_diff_editor(
2225        &self,
2226        entry_ix: usize,
2227        diff: &Entity<acp_thread::Diff>,
2228        tool_call: &ToolCall,
2229        cx: &Context<Self>,
2230    ) -> AnyElement {
2231        let tool_progress = matches!(
2232            &tool_call.status,
2233            ToolCallStatus::InProgress | ToolCallStatus::Pending
2234        );
2235
2236        v_flex()
2237            .h_full()
2238            .child(
2239                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2240                    && let Some(editor) = entry.editor_for_diff(diff)
2241                    && diff.read(cx).has_revealed_range(cx)
2242                {
2243                    editor.into_any_element()
2244                } else if tool_progress && self.as_native_connection(cx).is_some() {
2245                    self.render_diff_loading(cx)
2246                } else {
2247                    Empty.into_any()
2248                },
2249            )
2250            .into_any()
2251    }
2252
2253    fn render_terminal_tool_call(
2254        &self,
2255        entry_ix: usize,
2256        terminal: &Entity<acp_thread::Terminal>,
2257        tool_call: &ToolCall,
2258        window: &Window,
2259        cx: &Context<Self>,
2260    ) -> AnyElement {
2261        let terminal_data = terminal.read(cx);
2262        let working_dir = terminal_data.working_dir();
2263        let command = terminal_data.command();
2264        let started_at = terminal_data.started_at();
2265
2266        let tool_failed = matches!(
2267            &tool_call.status,
2268            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2269        );
2270
2271        let output = terminal_data.output();
2272        let command_finished = output.is_some();
2273        let truncated_output = output.is_some_and(|output| output.was_content_truncated);
2274        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2275
2276        let command_failed = command_finished
2277            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2278
2279        let time_elapsed = if let Some(output) = output {
2280            output.ended_at.duration_since(started_at)
2281        } else {
2282            started_at.elapsed()
2283        };
2284
2285        let header_id =
2286            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2287        let header_group = SharedString::from(format!(
2288            "terminal-tool-header-group-{}",
2289            terminal.entity_id()
2290        ));
2291        let header_bg = cx
2292            .theme()
2293            .colors()
2294            .element_background
2295            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2296        let border_color = cx.theme().colors().border.opacity(0.6);
2297
2298        let working_dir = working_dir
2299            .as_ref()
2300            .map(|path| format!("{}", path.display()))
2301            .unwrap_or_else(|| "current directory".to_string());
2302
2303        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2304
2305        let header = h_flex()
2306            .id(header_id)
2307            .flex_none()
2308            .gap_1()
2309            .justify_between()
2310            .rounded_t_md()
2311            .child(
2312                div()
2313                    .id(("command-target-path", terminal.entity_id()))
2314                    .w_full()
2315                    .max_w_full()
2316                    .overflow_x_scroll()
2317                    .child(
2318                        Label::new(working_dir)
2319                            .buffer_font(cx)
2320                            .size(LabelSize::XSmall)
2321                            .color(Color::Muted),
2322                    ),
2323            )
2324            .when(!command_finished, |header| {
2325                header
2326                    .gap_1p5()
2327                    .child(
2328                        Button::new(
2329                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2330                            "Stop",
2331                        )
2332                        .icon(IconName::Stop)
2333                        .icon_position(IconPosition::Start)
2334                        .icon_size(IconSize::Small)
2335                        .icon_color(Color::Error)
2336                        .label_size(LabelSize::Small)
2337                        .tooltip(move |window, cx| {
2338                            Tooltip::with_meta(
2339                                "Stop This Command",
2340                                None,
2341                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2342                                window,
2343                                cx,
2344                            )
2345                        })
2346                        .on_click({
2347                            let terminal = terminal.clone();
2348                            cx.listener(move |_this, _event, _window, cx| {
2349                                let inner_terminal = terminal.read(cx).inner().clone();
2350                                inner_terminal.update(cx, |inner_terminal, _cx| {
2351                                    inner_terminal.kill_active_task();
2352                                });
2353                            })
2354                        }),
2355                    )
2356                    .child(Divider::vertical())
2357                    .child(
2358                        Icon::new(IconName::ArrowCircle)
2359                            .size(IconSize::XSmall)
2360                            .color(Color::Info)
2361                            .with_animation(
2362                                "arrow-circle",
2363                                Animation::new(Duration::from_secs(2)).repeat(),
2364                                |icon, delta| {
2365                                    icon.transform(Transformation::rotate(percentage(delta)))
2366                                },
2367                            ),
2368                    )
2369            })
2370            .when(truncated_output, |header| {
2371                let tooltip = if let Some(output) = output {
2372                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2373                        "Output exceeded terminal max lines and was \
2374                            truncated, the model received the first 16 KB."
2375                            .to_string()
2376                    } else {
2377                        format!(
2378                            "Output is {} long, and to avoid unexpected token usage, \
2379                                only 16 KB was sent back to the model.",
2380                            format_file_size(output.original_content_len as u64, true),
2381                        )
2382                    }
2383                } else {
2384                    "Output was truncated".to_string()
2385                };
2386
2387                header.child(
2388                    h_flex()
2389                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2390                        .gap_1()
2391                        .child(
2392                            Icon::new(IconName::Info)
2393                                .size(IconSize::XSmall)
2394                                .color(Color::Ignored),
2395                        )
2396                        .child(
2397                            Label::new("Truncated")
2398                                .color(Color::Muted)
2399                                .size(LabelSize::XSmall),
2400                        )
2401                        .tooltip(Tooltip::text(tooltip)),
2402                )
2403            })
2404            .when(time_elapsed > Duration::from_secs(10), |header| {
2405                header.child(
2406                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2407                        .buffer_font(cx)
2408                        .color(Color::Muted)
2409                        .size(LabelSize::XSmall),
2410                )
2411            })
2412            .child(
2413                Disclosure::new(
2414                    SharedString::from(format!(
2415                        "terminal-tool-disclosure-{}",
2416                        terminal.entity_id()
2417                    )),
2418                    is_expanded,
2419                )
2420                .opened_icon(IconName::ChevronUp)
2421                .closed_icon(IconName::ChevronDown)
2422                .visible_on_hover(&header_group)
2423                .on_click(cx.listener({
2424                    let id = tool_call.id.clone();
2425                    move |this, _event, _window, _cx| {
2426                        if is_expanded {
2427                            this.expanded_tool_calls.remove(&id);
2428                        } else {
2429                            this.expanded_tool_calls.insert(id.clone());
2430                        }
2431                    }
2432                })),
2433            )
2434            .when(tool_failed || command_failed, |header| {
2435                header.child(
2436                    div()
2437                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2438                        .child(
2439                            Icon::new(IconName::Close)
2440                                .size(IconSize::Small)
2441                                .color(Color::Error),
2442                        )
2443                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2444                            this.tooltip(Tooltip::text(format!(
2445                                "Exited with code {}",
2446                                status.code().unwrap_or(-1),
2447                            )))
2448                        }),
2449                )
2450            });
2451
2452        let terminal_view = self
2453            .entry_view_state
2454            .read(cx)
2455            .entry(entry_ix)
2456            .and_then(|entry| entry.terminal(terminal));
2457        let show_output = is_expanded && terminal_view.is_some();
2458
2459        v_flex()
2460            .my_2()
2461            .mx_5()
2462            .border_1()
2463            .when(tool_failed || command_failed, |card| card.border_dashed())
2464            .border_color(border_color)
2465            .rounded_md()
2466            .overflow_hidden()
2467            .child(
2468                v_flex()
2469                    .group(&header_group)
2470                    .py_1p5()
2471                    .pr_1p5()
2472                    .pl_2()
2473                    .gap_0p5()
2474                    .bg(header_bg)
2475                    .text_xs()
2476                    .child(header)
2477                    .child(
2478                        MarkdownElement::new(
2479                            command.clone(),
2480                            terminal_command_markdown_style(window, cx),
2481                        )
2482                        .code_block_renderer(
2483                            markdown::CodeBlockRenderer::Default {
2484                                copy_button: false,
2485                                copy_button_on_hover: true,
2486                                border: false,
2487                            },
2488                        ),
2489                    ),
2490            )
2491            .when(show_output, |this| {
2492                this.child(
2493                    div()
2494                        .pt_2()
2495                        .border_t_1()
2496                        .when(tool_failed || command_failed, |card| card.border_dashed())
2497                        .border_color(border_color)
2498                        .bg(cx.theme().colors().editor_background)
2499                        .rounded_b_md()
2500                        .text_ui_sm(cx)
2501                        .children(terminal_view.clone()),
2502                )
2503            })
2504            .into_any()
2505    }
2506
2507    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2508        let project_context = self
2509            .as_native_thread(cx)?
2510            .read(cx)
2511            .project_context()
2512            .read(cx);
2513
2514        let user_rules_text = if project_context.user_rules.is_empty() {
2515            None
2516        } else if project_context.user_rules.len() == 1 {
2517            let user_rules = &project_context.user_rules[0];
2518
2519            match user_rules.title.as_ref() {
2520                Some(title) => Some(format!("Using \"{title}\" user rule")),
2521                None => Some("Using user rule".into()),
2522            }
2523        } else {
2524            Some(format!(
2525                "Using {} user rules",
2526                project_context.user_rules.len()
2527            ))
2528        };
2529
2530        let first_user_rules_id = project_context
2531            .user_rules
2532            .first()
2533            .map(|user_rules| user_rules.uuid.0);
2534
2535        let rules_files = project_context
2536            .worktrees
2537            .iter()
2538            .filter_map(|worktree| worktree.rules_file.as_ref())
2539            .collect::<Vec<_>>();
2540
2541        let rules_file_text = match rules_files.as_slice() {
2542            &[] => None,
2543            &[rules_file] => Some(format!(
2544                "Using project {:?} file",
2545                rules_file.path_in_worktree
2546            )),
2547            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2548        };
2549
2550        if user_rules_text.is_none() && rules_file_text.is_none() {
2551            return None;
2552        }
2553
2554        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2555
2556        Some(
2557            h_flex()
2558                .px_2p5()
2559                .child(
2560                    Icon::new(IconName::Attach)
2561                        .size(IconSize::XSmall)
2562                        .color(Color::Disabled),
2563                )
2564                .when_some(user_rules_text, |parent, user_rules_text| {
2565                    parent.child(
2566                        h_flex()
2567                            .id("user-rules")
2568                            .ml_1()
2569                            .mr_1p5()
2570                            .child(
2571                                Label::new(user_rules_text)
2572                                    .size(LabelSize::XSmall)
2573                                    .color(Color::Muted)
2574                                    .truncate(),
2575                            )
2576                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2577                            .tooltip(Tooltip::text("View User Rules"))
2578                            .on_click(move |_event, window, cx| {
2579                                window.dispatch_action(
2580                                    Box::new(OpenRulesLibrary {
2581                                        prompt_to_select: first_user_rules_id,
2582                                    }),
2583                                    cx,
2584                                )
2585                            }),
2586                    )
2587                })
2588                .when(has_both, |this| {
2589                    this.child(
2590                        Label::new("")
2591                            .size(LabelSize::XSmall)
2592                            .color(Color::Disabled),
2593                    )
2594                })
2595                .when_some(rules_file_text, |parent, rules_file_text| {
2596                    parent.child(
2597                        h_flex()
2598                            .id("project-rules")
2599                            .ml_1p5()
2600                            .child(
2601                                Label::new(rules_file_text)
2602                                    .size(LabelSize::XSmall)
2603                                    .color(Color::Muted),
2604                            )
2605                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2606                            .tooltip(Tooltip::text("View Project Rules"))
2607                            .on_click(cx.listener(Self::handle_open_rules)),
2608                    )
2609                })
2610                .into_any(),
2611        )
2612    }
2613
2614    fn render_empty_state_section_header(
2615        &self,
2616        label: impl Into<SharedString>,
2617        action_slot: Option<AnyElement>,
2618        cx: &mut Context<Self>,
2619    ) -> impl IntoElement {
2620        div().pl_1().pr_1p5().child(
2621            h_flex()
2622                .mt_2()
2623                .pl_1p5()
2624                .pb_1()
2625                .w_full()
2626                .justify_between()
2627                .border_b_1()
2628                .border_color(cx.theme().colors().border_variant)
2629                .child(
2630                    Label::new(label.into())
2631                        .size(LabelSize::Small)
2632                        .color(Color::Muted),
2633                )
2634                .children(action_slot),
2635        )
2636    }
2637
2638    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2639        let render_history = self
2640            .agent
2641            .clone()
2642            .downcast::<agent2::NativeAgentServer>()
2643            .is_some()
2644            && self
2645                .history_store
2646                .update(cx, |history_store, cx| !history_store.is_empty(cx));
2647
2648        v_flex()
2649            .size_full()
2650            .when(render_history, |this| {
2651                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
2652                    history_store.entries().take(3).collect()
2653                });
2654                this.justify_end().child(
2655                    v_flex()
2656                        .child(
2657                            self.render_empty_state_section_header(
2658                                "Recent",
2659                                Some(
2660                                    Button::new("view-history", "View All")
2661                                        .style(ButtonStyle::Subtle)
2662                                        .label_size(LabelSize::Small)
2663                                        .key_binding(
2664                                            KeyBinding::for_action_in(
2665                                                &OpenHistory,
2666                                                &self.focus_handle(cx),
2667                                                window,
2668                                                cx,
2669                                            )
2670                                            .map(|kb| kb.size(rems_from_px(12.))),
2671                                        )
2672                                        .on_click(move |_event, window, cx| {
2673                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2674                                        })
2675                                        .into_any_element(),
2676                                ),
2677                                cx,
2678                            ),
2679                        )
2680                        .child(
2681                            v_flex().p_1().pr_1p5().gap_1().children(
2682                                recent_history
2683                                    .into_iter()
2684                                    .enumerate()
2685                                    .map(|(index, entry)| {
2686                                        // TODO: Add keyboard navigation.
2687                                        let is_hovered =
2688                                            self.hovered_recent_history_item == Some(index);
2689                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2690                                            entry,
2691                                            cx.entity().downgrade(),
2692                                        )
2693                                        .hovered(is_hovered)
2694                                        .on_hover(cx.listener(
2695                                            move |this, is_hovered, _window, cx| {
2696                                                if *is_hovered {
2697                                                    this.hovered_recent_history_item = Some(index);
2698                                                } else if this.hovered_recent_history_item
2699                                                    == Some(index)
2700                                                {
2701                                                    this.hovered_recent_history_item = None;
2702                                                }
2703                                                cx.notify();
2704                                            },
2705                                        ))
2706                                        .into_any_element()
2707                                    }),
2708                            ),
2709                        ),
2710                )
2711            })
2712            .into_any()
2713    }
2714
2715    fn render_auth_required_state(
2716        &self,
2717        connection: &Rc<dyn AgentConnection>,
2718        description: Option<&Entity<Markdown>>,
2719        configuration_view: Option<&AnyView>,
2720        pending_auth_method: Option<&acp::AuthMethodId>,
2721        window: &mut Window,
2722        cx: &Context<Self>,
2723    ) -> Div {
2724        let show_description =
2725            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
2726
2727        v_flex().flex_1().size_full().justify_end().child(
2728            v_flex()
2729                .p_2()
2730                .pr_3()
2731                .w_full()
2732                .gap_1()
2733                .border_t_1()
2734                .border_color(cx.theme().colors().border)
2735                .bg(cx.theme().status().warning.opacity(0.04))
2736                .child(
2737                    h_flex()
2738                        .gap_1p5()
2739                        .child(
2740                            Icon::new(IconName::Warning)
2741                                .color(Color::Warning)
2742                                .size(IconSize::Small),
2743                        )
2744                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
2745                )
2746                .children(description.map(|desc| {
2747                    div().text_ui(cx).child(self.render_markdown(
2748                        desc.clone(),
2749                        default_markdown_style(false, false, window, cx),
2750                    ))
2751                }))
2752                .children(
2753                    configuration_view
2754                        .cloned()
2755                        .map(|view| div().w_full().child(view)),
2756                )
2757                .when(
2758                    show_description,
2759                    |el| {
2760                        el.child(
2761                            Label::new(format!(
2762                                "You are not currently authenticated with {}. Please choose one of the following options:",
2763                                self.agent.name()
2764                            ))
2765                            .size(LabelSize::Small)
2766                            .color(Color::Muted)
2767                            .mb_1()
2768                            .ml_5(),
2769                        )
2770                    },
2771                )
2772                .when_some(pending_auth_method, |el, _| {
2773                    el.child(
2774                        h_flex()
2775                            .py_4()
2776                            .w_full()
2777                            .justify_center()
2778                            .gap_1()
2779                            .child(
2780                                Icon::new(IconName::ArrowCircle)
2781                                    .size(IconSize::Small)
2782                                    .color(Color::Muted)
2783                                    .with_animation(
2784                                        "arrow-circle",
2785                                        Animation::new(Duration::from_secs(2)).repeat(),
2786                                        |icon, delta| {
2787                                            icon.transform(Transformation::rotate(percentage(
2788                                                delta,
2789                                            )))
2790                                        },
2791                                    )
2792                                    .into_any_element(),
2793                            )
2794                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
2795                    )
2796                })
2797                .when(!connection.auth_methods().is_empty(), |this| {
2798                    this.child(
2799                        h_flex()
2800                            .justify_end()
2801                            .flex_wrap()
2802                            .gap_1()
2803                            .when(!show_description, |this| {
2804                                this.border_t_1()
2805                                    .mt_1()
2806                                    .pt_2()
2807                                    .border_color(cx.theme().colors().border.opacity(0.8))
2808                            })
2809                            .children(
2810                                connection
2811                                    .auth_methods()
2812                                    .iter()
2813                                    .enumerate()
2814                                    .rev()
2815                                    .map(|(ix, method)| {
2816                                        Button::new(
2817                                            SharedString::from(method.id.0.clone()),
2818                                            method.name.clone(),
2819                                        )
2820                                        .when(ix == 0, |el| {
2821                                            el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
2822                                        })
2823                                        .label_size(LabelSize::Small)
2824                                        .on_click({
2825                                            let method_id = method.id.clone();
2826                                            cx.listener(move |this, _, window, cx| {
2827                                                telemetry::event!(
2828                                                    "Authenticate Agent Started",
2829                                                    agent = this.agent.telemetry_id(),
2830                                                    method = method_id
2831                                                );
2832
2833                                                this.authenticate(method_id.clone(), window, cx)
2834                                            })
2835                                        })
2836                                    }),
2837                            ),
2838                    )
2839                })
2840
2841        )
2842    }
2843
2844    fn render_load_error(
2845        &self,
2846        e: &LoadError,
2847        window: &mut Window,
2848        cx: &mut Context<Self>,
2849    ) -> AnyElement {
2850        let (message, action_slot): (SharedString, _) = match e {
2851            LoadError::NotInstalled {
2852                error_message: _,
2853                install_message: _,
2854                install_command,
2855            } => {
2856                return self.render_not_installed(install_command.clone(), false, window, cx);
2857            }
2858            LoadError::Unsupported {
2859                error_message: _,
2860                upgrade_message: _,
2861                upgrade_command,
2862            } => {
2863                return self.render_not_installed(upgrade_command.clone(), true, window, cx);
2864            }
2865            LoadError::Exited { .. } => ("Server exited with status {status}".into(), None),
2866            LoadError::Other(msg) => (
2867                msg.into(),
2868                Some(self.create_copy_button(msg.to_string()).into_any_element()),
2869            ),
2870        };
2871
2872        Callout::new()
2873            .severity(Severity::Error)
2874            .icon(IconName::XCircleFilled)
2875            .title("Failed to Launch")
2876            .description(message)
2877            .actions_slot(div().children(action_slot))
2878            .into_any_element()
2879    }
2880
2881    fn install_agent(&self, install_command: String, window: &mut Window, cx: &mut Context<Self>) {
2882        telemetry::event!("Agent Install CLI", agent = self.agent.telemetry_id());
2883        let task = self
2884            .workspace
2885            .update(cx, |workspace, cx| {
2886                let project = workspace.project().read(cx);
2887                let cwd = project.first_project_directory(cx);
2888                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2889                let spawn_in_terminal = task::SpawnInTerminal {
2890                    id: task::TaskId(install_command.clone()),
2891                    full_label: install_command.clone(),
2892                    label: install_command.clone(),
2893                    command: Some(install_command.clone()),
2894                    args: Vec::new(),
2895                    command_label: install_command.clone(),
2896                    cwd,
2897                    env: Default::default(),
2898                    use_new_terminal: true,
2899                    allow_concurrent_runs: true,
2900                    reveal: Default::default(),
2901                    reveal_target: Default::default(),
2902                    hide: Default::default(),
2903                    shell,
2904                    show_summary: true,
2905                    show_command: true,
2906                    show_rerun: false,
2907                };
2908                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2909            })
2910            .ok();
2911        let Some(task) = task else { return };
2912        cx.spawn_in(window, async move |this, cx| {
2913            if let Some(Ok(_)) = task.await {
2914                this.update_in(cx, |this, window, cx| {
2915                    this.reset(window, cx);
2916                })
2917                .ok();
2918            }
2919        })
2920        .detach()
2921    }
2922
2923    fn render_not_installed(
2924        &self,
2925        install_command: String,
2926        is_upgrade: bool,
2927        window: &mut Window,
2928        cx: &mut Context<Self>,
2929    ) -> AnyElement {
2930        self.install_command_markdown.update(cx, |markdown, cx| {
2931            if !markdown.source().contains(&install_command) {
2932                markdown.replace(format!("```\n{}\n```", install_command), cx);
2933            }
2934        });
2935
2936        let (heading_label, description_label, button_label, or_label) = if is_upgrade {
2937            (
2938                "Upgrade Gemini CLI in Zed",
2939                "Get access to the latest version with support for Zed.",
2940                "Upgrade Gemini CLI",
2941                "Or, to upgrade it manually:",
2942            )
2943        } else {
2944            (
2945                "Get Started with Gemini CLI in Zed",
2946                "Use Google's new coding agent directly in Zed.",
2947                "Install Gemini CLI",
2948                "Or, to install it manually:",
2949            )
2950        };
2951
2952        v_flex()
2953            .w_full()
2954            .p_3p5()
2955            .gap_2p5()
2956            .border_t_1()
2957            .border_color(cx.theme().colors().border)
2958            .bg(linear_gradient(
2959                180.,
2960                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
2961                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
2962            ))
2963            .child(
2964                v_flex().gap_0p5().child(Label::new(heading_label)).child(
2965                    Label::new(description_label)
2966                        .size(LabelSize::Small)
2967                        .color(Color::Muted),
2968                ),
2969            )
2970            .child(
2971                Button::new("install_gemini", button_label)
2972                    .full_width()
2973                    .size(ButtonSize::Medium)
2974                    .style(ButtonStyle::Tinted(TintColor::Accent))
2975                    .label_size(LabelSize::Small)
2976                    .icon(IconName::TerminalGhost)
2977                    .icon_color(Color::Muted)
2978                    .icon_size(IconSize::Small)
2979                    .icon_position(IconPosition::Start)
2980                    .on_click(cx.listener(move |this, _, window, cx| {
2981                        this.install_agent(install_command.clone(), window, cx)
2982                    })),
2983            )
2984            .child(
2985                Label::new(or_label)
2986                    .size(LabelSize::Small)
2987                    .color(Color::Muted),
2988            )
2989            .child(MarkdownElement::new(
2990                self.install_command_markdown.clone(),
2991                default_markdown_style(false, false, window, cx),
2992            ))
2993            .into_any_element()
2994    }
2995
2996    fn render_activity_bar(
2997        &self,
2998        thread_entity: &Entity<AcpThread>,
2999        window: &mut Window,
3000        cx: &Context<Self>,
3001    ) -> Option<AnyElement> {
3002        let thread = thread_entity.read(cx);
3003        let action_log = thread.action_log();
3004        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3005        let plan = thread.plan();
3006
3007        if changed_buffers.is_empty() && plan.is_empty() {
3008            return None;
3009        }
3010
3011        let editor_bg_color = cx.theme().colors().editor_background;
3012        let active_color = cx.theme().colors().element_selected;
3013        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
3014
3015        let pending_edits = thread.has_pending_edit_tool_calls();
3016
3017        v_flex()
3018            .mt_1()
3019            .mx_2()
3020            .bg(bg_edit_files_disclosure)
3021            .border_1()
3022            .border_b_0()
3023            .border_color(cx.theme().colors().border)
3024            .rounded_t_md()
3025            .shadow(vec![gpui::BoxShadow {
3026                color: gpui::black().opacity(0.15),
3027                offset: point(px(1.), px(-1.)),
3028                blur_radius: px(3.),
3029                spread_radius: px(0.),
3030            }])
3031            .when(!plan.is_empty(), |this| {
3032                this.child(self.render_plan_summary(plan, window, cx))
3033                    .when(self.plan_expanded, |parent| {
3034                        parent.child(self.render_plan_entries(plan, window, cx))
3035                    })
3036            })
3037            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3038                this.child(Divider::horizontal().color(DividerColor::Border))
3039            })
3040            .when(!changed_buffers.is_empty(), |this| {
3041                this.child(self.render_edits_summary(
3042                    &changed_buffers,
3043                    self.edits_expanded,
3044                    pending_edits,
3045                    window,
3046                    cx,
3047                ))
3048                .when(self.edits_expanded, |parent| {
3049                    parent.child(self.render_edited_files(
3050                        action_log,
3051                        &changed_buffers,
3052                        pending_edits,
3053                        cx,
3054                    ))
3055                })
3056            })
3057            .into_any()
3058            .into()
3059    }
3060
3061    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3062        let stats = plan.stats();
3063
3064        let title = if let Some(entry) = stats.in_progress_entry
3065            && !self.plan_expanded
3066        {
3067            h_flex()
3068                .w_full()
3069                .cursor_default()
3070                .gap_1()
3071                .text_xs()
3072                .text_color(cx.theme().colors().text_muted)
3073                .justify_between()
3074                .child(
3075                    h_flex()
3076                        .gap_1()
3077                        .child(
3078                            Label::new("Current:")
3079                                .size(LabelSize::Small)
3080                                .color(Color::Muted),
3081                        )
3082                        .child(MarkdownElement::new(
3083                            entry.content.clone(),
3084                            plan_label_markdown_style(&entry.status, window, cx),
3085                        )),
3086                )
3087                .when(stats.pending > 0, |this| {
3088                    this.child(
3089                        Label::new(format!("{} left", stats.pending))
3090                            .size(LabelSize::Small)
3091                            .color(Color::Muted)
3092                            .mr_1(),
3093                    )
3094                })
3095        } else {
3096            let status_label = if stats.pending == 0 {
3097                "All Done".to_string()
3098            } else if stats.completed == 0 {
3099                format!("{} Tasks", plan.entries.len())
3100            } else {
3101                format!("{}/{}", stats.completed, plan.entries.len())
3102            };
3103
3104            h_flex()
3105                .w_full()
3106                .gap_1()
3107                .justify_between()
3108                .child(
3109                    Label::new("Plan")
3110                        .size(LabelSize::Small)
3111                        .color(Color::Muted),
3112                )
3113                .child(
3114                    Label::new(status_label)
3115                        .size(LabelSize::Small)
3116                        .color(Color::Muted)
3117                        .mr_1(),
3118                )
3119        };
3120
3121        h_flex()
3122            .p_1()
3123            .justify_between()
3124            .when(self.plan_expanded, |this| {
3125                this.border_b_1().border_color(cx.theme().colors().border)
3126            })
3127            .child(
3128                h_flex()
3129                    .id("plan_summary")
3130                    .w_full()
3131                    .gap_1()
3132                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3133                    .child(title)
3134                    .on_click(cx.listener(|this, _, _, cx| {
3135                        this.plan_expanded = !this.plan_expanded;
3136                        cx.notify();
3137                    })),
3138            )
3139    }
3140
3141    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3142        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3143            let element = h_flex()
3144                .py_1()
3145                .px_2()
3146                .gap_2()
3147                .justify_between()
3148                .bg(cx.theme().colors().editor_background)
3149                .when(index < plan.entries.len() - 1, |parent| {
3150                    parent.border_color(cx.theme().colors().border).border_b_1()
3151                })
3152                .child(
3153                    h_flex()
3154                        .id(("plan_entry", index))
3155                        .gap_1p5()
3156                        .max_w_full()
3157                        .overflow_x_scroll()
3158                        .text_xs()
3159                        .text_color(cx.theme().colors().text_muted)
3160                        .child(match entry.status {
3161                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3162                                .size(IconSize::Small)
3163                                .color(Color::Muted)
3164                                .into_any_element(),
3165                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3166                                .size(IconSize::Small)
3167                                .color(Color::Accent)
3168                                .with_animation(
3169                                    "running",
3170                                    Animation::new(Duration::from_secs(2)).repeat(),
3171                                    |icon, delta| {
3172                                        icon.transform(Transformation::rotate(percentage(delta)))
3173                                    },
3174                                )
3175                                .into_any_element(),
3176                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3177                                .size(IconSize::Small)
3178                                .color(Color::Success)
3179                                .into_any_element(),
3180                        })
3181                        .child(MarkdownElement::new(
3182                            entry.content.clone(),
3183                            plan_label_markdown_style(&entry.status, window, cx),
3184                        )),
3185                );
3186
3187            Some(element)
3188        }))
3189    }
3190
3191    fn render_edits_summary(
3192        &self,
3193        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3194        expanded: bool,
3195        pending_edits: bool,
3196        window: &mut Window,
3197        cx: &Context<Self>,
3198    ) -> Div {
3199        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3200
3201        let focus_handle = self.focus_handle(cx);
3202
3203        h_flex()
3204            .p_1()
3205            .justify_between()
3206            .flex_wrap()
3207            .when(expanded, |this| {
3208                this.border_b_1().border_color(cx.theme().colors().border)
3209            })
3210            .child(
3211                h_flex()
3212                    .id("edits-container")
3213                    .gap_1()
3214                    .child(Disclosure::new("edits-disclosure", expanded))
3215                    .map(|this| {
3216                        if pending_edits {
3217                            this.child(
3218                                Label::new(format!(
3219                                    "Editing {} {}",
3220                                    changed_buffers.len(),
3221                                    if changed_buffers.len() == 1 {
3222                                        "file"
3223                                    } else {
3224                                        "files"
3225                                    }
3226                                ))
3227                                .color(Color::Muted)
3228                                .size(LabelSize::Small)
3229                                .with_animation(
3230                                    "edit-label",
3231                                    Animation::new(Duration::from_secs(2))
3232                                        .repeat()
3233                                        .with_easing(pulsating_between(0.3, 0.7)),
3234                                    |label, delta| label.alpha(delta),
3235                                ),
3236                            )
3237                        } else {
3238                            this.child(
3239                                Label::new("Edits")
3240                                    .size(LabelSize::Small)
3241                                    .color(Color::Muted),
3242                            )
3243                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3244                            .child(
3245                                Label::new(format!(
3246                                    "{} {}",
3247                                    changed_buffers.len(),
3248                                    if changed_buffers.len() == 1 {
3249                                        "file"
3250                                    } else {
3251                                        "files"
3252                                    }
3253                                ))
3254                                .size(LabelSize::Small)
3255                                .color(Color::Muted),
3256                            )
3257                        }
3258                    })
3259                    .on_click(cx.listener(|this, _, _, cx| {
3260                        this.edits_expanded = !this.edits_expanded;
3261                        cx.notify();
3262                    })),
3263            )
3264            .child(
3265                h_flex()
3266                    .gap_1()
3267                    .child(
3268                        IconButton::new("review-changes", IconName::ListTodo)
3269                            .icon_size(IconSize::Small)
3270                            .tooltip({
3271                                let focus_handle = focus_handle.clone();
3272                                move |window, cx| {
3273                                    Tooltip::for_action_in(
3274                                        "Review Changes",
3275                                        &OpenAgentDiff,
3276                                        &focus_handle,
3277                                        window,
3278                                        cx,
3279                                    )
3280                                }
3281                            })
3282                            .on_click(cx.listener(|_, _, window, cx| {
3283                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3284                            })),
3285                    )
3286                    .child(Divider::vertical().color(DividerColor::Border))
3287                    .child(
3288                        Button::new("reject-all-changes", "Reject All")
3289                            .label_size(LabelSize::Small)
3290                            .disabled(pending_edits)
3291                            .when(pending_edits, |this| {
3292                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3293                            })
3294                            .key_binding(
3295                                KeyBinding::for_action_in(
3296                                    &RejectAll,
3297                                    &focus_handle.clone(),
3298                                    window,
3299                                    cx,
3300                                )
3301                                .map(|kb| kb.size(rems_from_px(10.))),
3302                            )
3303                            .on_click(cx.listener(move |this, _, window, cx| {
3304                                this.reject_all(&RejectAll, window, cx);
3305                            })),
3306                    )
3307                    .child(
3308                        Button::new("keep-all-changes", "Keep All")
3309                            .label_size(LabelSize::Small)
3310                            .disabled(pending_edits)
3311                            .when(pending_edits, |this| {
3312                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3313                            })
3314                            .key_binding(
3315                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3316                                    .map(|kb| kb.size(rems_from_px(10.))),
3317                            )
3318                            .on_click(cx.listener(move |this, _, window, cx| {
3319                                this.keep_all(&KeepAll, window, cx);
3320                            })),
3321                    ),
3322            )
3323    }
3324
3325    fn render_edited_files(
3326        &self,
3327        action_log: &Entity<ActionLog>,
3328        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3329        pending_edits: bool,
3330        cx: &Context<Self>,
3331    ) -> Div {
3332        let editor_bg_color = cx.theme().colors().editor_background;
3333
3334        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3335            |(index, (buffer, _diff))| {
3336                let file = buffer.read(cx).file()?;
3337                let path = file.path();
3338
3339                let file_path = path.parent().and_then(|parent| {
3340                    let parent_str = parent.to_string_lossy();
3341
3342                    if parent_str.is_empty() {
3343                        None
3344                    } else {
3345                        Some(
3346                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3347                                .color(Color::Muted)
3348                                .size(LabelSize::XSmall)
3349                                .buffer_font(cx),
3350                        )
3351                    }
3352                });
3353
3354                let file_name = path.file_name().map(|name| {
3355                    Label::new(name.to_string_lossy().to_string())
3356                        .size(LabelSize::XSmall)
3357                        .buffer_font(cx)
3358                });
3359
3360                let file_icon = FileIcons::get_icon(path, cx)
3361                    .map(Icon::from_path)
3362                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3363                    .unwrap_or_else(|| {
3364                        Icon::new(IconName::File)
3365                            .color(Color::Muted)
3366                            .size(IconSize::Small)
3367                    });
3368
3369                let overlay_gradient = linear_gradient(
3370                    90.,
3371                    linear_color_stop(editor_bg_color, 1.),
3372                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3373                );
3374
3375                let element = h_flex()
3376                    .group("edited-code")
3377                    .id(("file-container", index))
3378                    .relative()
3379                    .py_1()
3380                    .pl_2()
3381                    .pr_1()
3382                    .gap_2()
3383                    .justify_between()
3384                    .bg(editor_bg_color)
3385                    .when(index < changed_buffers.len() - 1, |parent| {
3386                        parent.border_color(cx.theme().colors().border).border_b_1()
3387                    })
3388                    .child(
3389                        h_flex()
3390                            .id(("file-name", index))
3391                            .pr_8()
3392                            .gap_1p5()
3393                            .max_w_full()
3394                            .overflow_x_scroll()
3395                            .child(file_icon)
3396                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3397                            .on_click({
3398                                let buffer = buffer.clone();
3399                                cx.listener(move |this, _, window, cx| {
3400                                    this.open_edited_buffer(&buffer, window, cx);
3401                                })
3402                            }),
3403                    )
3404                    .child(
3405                        h_flex()
3406                            .gap_1()
3407                            .visible_on_hover("edited-code")
3408                            .child(
3409                                Button::new("review", "Review")
3410                                    .label_size(LabelSize::Small)
3411                                    .on_click({
3412                                        let buffer = buffer.clone();
3413                                        cx.listener(move |this, _, window, cx| {
3414                                            this.open_edited_buffer(&buffer, window, cx);
3415                                        })
3416                                    }),
3417                            )
3418                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3419                            .child(
3420                                Button::new("reject-file", "Reject")
3421                                    .label_size(LabelSize::Small)
3422                                    .disabled(pending_edits)
3423                                    .on_click({
3424                                        let buffer = buffer.clone();
3425                                        let action_log = action_log.clone();
3426                                        move |_, _, cx| {
3427                                            action_log.update(cx, |action_log, cx| {
3428                                                action_log
3429                                                    .reject_edits_in_ranges(
3430                                                        buffer.clone(),
3431                                                        vec![Anchor::MIN..Anchor::MAX],
3432                                                        cx,
3433                                                    )
3434                                                    .detach_and_log_err(cx);
3435                                            })
3436                                        }
3437                                    }),
3438                            )
3439                            .child(
3440                                Button::new("keep-file", "Keep")
3441                                    .label_size(LabelSize::Small)
3442                                    .disabled(pending_edits)
3443                                    .on_click({
3444                                        let buffer = buffer.clone();
3445                                        let action_log = action_log.clone();
3446                                        move |_, _, cx| {
3447                                            action_log.update(cx, |action_log, cx| {
3448                                                action_log.keep_edits_in_range(
3449                                                    buffer.clone(),
3450                                                    Anchor::MIN..Anchor::MAX,
3451                                                    cx,
3452                                                );
3453                                            })
3454                                        }
3455                                    }),
3456                            ),
3457                    )
3458                    .child(
3459                        div()
3460                            .id("gradient-overlay")
3461                            .absolute()
3462                            .h_full()
3463                            .w_12()
3464                            .top_0()
3465                            .bottom_0()
3466                            .right(px(152.))
3467                            .bg(overlay_gradient),
3468                    );
3469
3470                Some(element)
3471            },
3472        ))
3473    }
3474
3475    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3476        let focus_handle = self.message_editor.focus_handle(cx);
3477        let editor_bg_color = cx.theme().colors().editor_background;
3478        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3479            (IconName::Minimize, "Minimize Message Editor")
3480        } else {
3481            (IconName::Maximize, "Expand Message Editor")
3482        };
3483
3484        let backdrop = div()
3485            .size_full()
3486            .absolute()
3487            .inset_0()
3488            .bg(cx.theme().colors().panel_background)
3489            .opacity(0.8)
3490            .block_mouse_except_scroll();
3491
3492        let enable_editor = match self.thread_state {
3493            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3494            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3495        };
3496
3497        v_flex()
3498            .on_action(cx.listener(Self::expand_message_editor))
3499            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3500                if let Some(profile_selector) = this.profile_selector.as_ref() {
3501                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3502                }
3503            }))
3504            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3505                if let Some(model_selector) = this.model_selector.as_ref() {
3506                    model_selector
3507                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3508                }
3509            }))
3510            .p_2()
3511            .gap_2()
3512            .border_t_1()
3513            .border_color(cx.theme().colors().border)
3514            .bg(editor_bg_color)
3515            .when(self.editor_expanded, |this| {
3516                this.h(vh(0.8, window)).size_full().justify_between()
3517            })
3518            .child(
3519                v_flex()
3520                    .relative()
3521                    .size_full()
3522                    .pt_1()
3523                    .pr_2p5()
3524                    .child(self.message_editor.clone())
3525                    .child(
3526                        h_flex()
3527                            .absolute()
3528                            .top_0()
3529                            .right_0()
3530                            .opacity(0.5)
3531                            .hover(|this| this.opacity(1.0))
3532                            .child(
3533                                IconButton::new("toggle-height", expand_icon)
3534                                    .icon_size(IconSize::Small)
3535                                    .icon_color(Color::Muted)
3536                                    .tooltip({
3537                                        move |window, cx| {
3538                                            Tooltip::for_action_in(
3539                                                expand_tooltip,
3540                                                &ExpandMessageEditor,
3541                                                &focus_handle,
3542                                                window,
3543                                                cx,
3544                                            )
3545                                        }
3546                                    })
3547                                    .on_click(cx.listener(|_, _, window, cx| {
3548                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3549                                    })),
3550                            ),
3551                    ),
3552            )
3553            .child(
3554                h_flex()
3555                    .flex_none()
3556                    .flex_wrap()
3557                    .justify_between()
3558                    .child(
3559                        h_flex()
3560                            .child(self.render_follow_toggle(cx))
3561                            .children(self.render_burn_mode_toggle(cx)),
3562                    )
3563                    .child(
3564                        h_flex()
3565                            .gap_1()
3566                            .children(self.render_token_usage(cx))
3567                            .children(self.profile_selector.clone())
3568                            .children(self.model_selector.clone())
3569                            .child(self.render_send_button(cx)),
3570                    ),
3571            )
3572            .when(!enable_editor, |this| this.child(backdrop))
3573            .into_any()
3574    }
3575
3576    pub(crate) fn as_native_connection(
3577        &self,
3578        cx: &App,
3579    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3580        let acp_thread = self.thread()?.read(cx);
3581        acp_thread.connection().clone().downcast()
3582    }
3583
3584    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3585        let acp_thread = self.thread()?.read(cx);
3586        self.as_native_connection(cx)?
3587            .thread(acp_thread.session_id(), cx)
3588    }
3589
3590    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3591        self.as_native_thread(cx)
3592            .and_then(|thread| thread.read(cx).model())
3593            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3594    }
3595
3596    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3597        let thread = self.thread()?.read(cx);
3598        let usage = thread.token_usage()?;
3599        let is_generating = thread.status() != ThreadStatus::Idle;
3600
3601        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3602        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3603
3604        Some(
3605            h_flex()
3606                .flex_shrink_0()
3607                .gap_0p5()
3608                .mr_1p5()
3609                .child(
3610                    Label::new(used)
3611                        .size(LabelSize::Small)
3612                        .color(Color::Muted)
3613                        .map(|label| {
3614                            if is_generating {
3615                                label
3616                                    .with_animation(
3617                                        "used-tokens-label",
3618                                        Animation::new(Duration::from_secs(2))
3619                                            .repeat()
3620                                            .with_easing(pulsating_between(0.3, 0.8)),
3621                                        |label, delta| label.alpha(delta),
3622                                    )
3623                                    .into_any()
3624                            } else {
3625                                label.into_any_element()
3626                            }
3627                        }),
3628                )
3629                .child(
3630                    Label::new("/")
3631                        .size(LabelSize::Small)
3632                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3633                )
3634                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3635        )
3636    }
3637
3638    fn toggle_burn_mode(
3639        &mut self,
3640        _: &ToggleBurnMode,
3641        _window: &mut Window,
3642        cx: &mut Context<Self>,
3643    ) {
3644        let Some(thread) = self.as_native_thread(cx) else {
3645            return;
3646        };
3647
3648        thread.update(cx, |thread, cx| {
3649            let current_mode = thread.completion_mode();
3650            thread.set_completion_mode(
3651                match current_mode {
3652                    CompletionMode::Burn => CompletionMode::Normal,
3653                    CompletionMode::Normal => CompletionMode::Burn,
3654                },
3655                cx,
3656            );
3657        });
3658    }
3659
3660    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3661        let Some(thread) = self.thread() else {
3662            return;
3663        };
3664        let action_log = thread.read(cx).action_log().clone();
3665        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3666    }
3667
3668    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3669        let Some(thread) = self.thread() else {
3670            return;
3671        };
3672        let action_log = thread.read(cx).action_log().clone();
3673        action_log
3674            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3675            .detach();
3676    }
3677
3678    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3679        let thread = self.as_native_thread(cx)?.read(cx);
3680
3681        if thread
3682            .model()
3683            .is_none_or(|model| !model.supports_burn_mode())
3684        {
3685            return None;
3686        }
3687
3688        let active_completion_mode = thread.completion_mode();
3689        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3690        let icon = if burn_mode_enabled {
3691            IconName::ZedBurnModeOn
3692        } else {
3693            IconName::ZedBurnMode
3694        };
3695
3696        Some(
3697            IconButton::new("burn-mode", icon)
3698                .icon_size(IconSize::Small)
3699                .icon_color(Color::Muted)
3700                .toggle_state(burn_mode_enabled)
3701                .selected_icon_color(Color::Error)
3702                .on_click(cx.listener(|this, _event, window, cx| {
3703                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3704                }))
3705                .tooltip(move |_window, cx| {
3706                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3707                        .into()
3708                })
3709                .into_any_element(),
3710        )
3711    }
3712
3713    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3714        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3715        let is_generating = self
3716            .thread()
3717            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3718
3719        if self.is_loading_contents {
3720            div()
3721                .id("loading-message-content")
3722                .px_1()
3723                .tooltip(Tooltip::text("Loading Added Context…"))
3724                .child(loading_contents_spinner(IconSize::default()))
3725                .into_any_element()
3726        } else if is_generating && is_editor_empty {
3727            IconButton::new("stop-generation", IconName::Stop)
3728                .icon_color(Color::Error)
3729                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3730                .tooltip(move |window, cx| {
3731                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3732                })
3733                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3734                .into_any_element()
3735        } else {
3736            let send_btn_tooltip = if is_editor_empty && !is_generating {
3737                "Type to Send"
3738            } else if is_generating {
3739                "Stop and Send Message"
3740            } else {
3741                "Send"
3742            };
3743
3744            IconButton::new("send-message", IconName::Send)
3745                .style(ButtonStyle::Filled)
3746                .map(|this| {
3747                    if is_editor_empty && !is_generating {
3748                        this.disabled(true).icon_color(Color::Muted)
3749                    } else {
3750                        this.icon_color(Color::Accent)
3751                    }
3752                })
3753                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3754                .on_click(cx.listener(|this, _, window, cx| {
3755                    this.send(window, cx);
3756                }))
3757                .into_any_element()
3758        }
3759    }
3760
3761    fn is_following(&self, cx: &App) -> bool {
3762        match self.thread().map(|thread| thread.read(cx).status()) {
3763            Some(ThreadStatus::Generating) => self
3764                .workspace
3765                .read_with(cx, |workspace, _| {
3766                    workspace.is_being_followed(CollaboratorId::Agent)
3767                })
3768                .unwrap_or(false),
3769            _ => self.should_be_following,
3770        }
3771    }
3772
3773    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3774        let following = self.is_following(cx);
3775
3776        self.should_be_following = !following;
3777        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
3778            self.workspace
3779                .update(cx, |workspace, cx| {
3780                    if following {
3781                        workspace.unfollow(CollaboratorId::Agent, window, cx);
3782                    } else {
3783                        workspace.follow(CollaboratorId::Agent, window, cx);
3784                    }
3785                })
3786                .ok();
3787        }
3788
3789        telemetry::event!("Follow Agent Selected", following = !following);
3790    }
3791
3792    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3793        let following = self.is_following(cx);
3794
3795        let tooltip_label = if following {
3796            if self.agent.name() == "Zed Agent" {
3797                format!("Stop Following the {}", self.agent.name())
3798            } else {
3799                format!("Stop Following {}", self.agent.name())
3800            }
3801        } else {
3802            if self.agent.name() == "Zed Agent" {
3803                format!("Follow the {}", self.agent.name())
3804            } else {
3805                format!("Follow {}", self.agent.name())
3806            }
3807        };
3808
3809        IconButton::new("follow-agent", IconName::Crosshair)
3810            .icon_size(IconSize::Small)
3811            .icon_color(Color::Muted)
3812            .toggle_state(following)
3813            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3814            .tooltip(move |window, cx| {
3815                if following {
3816                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
3817                } else {
3818                    Tooltip::with_meta(
3819                        tooltip_label.clone(),
3820                        Some(&Follow),
3821                        "Track the agent's location as it reads and edits files.",
3822                        window,
3823                        cx,
3824                    )
3825                }
3826            })
3827            .on_click(cx.listener(move |this, _, window, cx| {
3828                this.toggle_following(window, cx);
3829            }))
3830    }
3831
3832    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
3833        let workspace = self.workspace.clone();
3834        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
3835            Self::open_link(text, &workspace, window, cx);
3836        })
3837    }
3838
3839    fn open_link(
3840        url: SharedString,
3841        workspace: &WeakEntity<Workspace>,
3842        window: &mut Window,
3843        cx: &mut App,
3844    ) {
3845        let Some(workspace) = workspace.upgrade() else {
3846            cx.open_url(&url);
3847            return;
3848        };
3849
3850        if let Some(mention) = MentionUri::parse(&url).log_err() {
3851            workspace.update(cx, |workspace, cx| match mention {
3852                MentionUri::File { abs_path } => {
3853                    let project = workspace.project();
3854                    let Some(path) =
3855                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
3856                    else {
3857                        return;
3858                    };
3859
3860                    workspace
3861                        .open_path(path, None, true, window, cx)
3862                        .detach_and_log_err(cx);
3863                }
3864                MentionUri::PastedImage => {}
3865                MentionUri::Directory { abs_path } => {
3866                    let project = workspace.project();
3867                    let Some(entry) = project.update(cx, |project, cx| {
3868                        let path = project.find_project_path(abs_path, cx)?;
3869                        project.entry_for_path(&path, cx)
3870                    }) else {
3871                        return;
3872                    };
3873
3874                    project.update(cx, |_, cx| {
3875                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
3876                    });
3877                }
3878                MentionUri::Symbol {
3879                    abs_path: path,
3880                    line_range,
3881                    ..
3882                }
3883                | MentionUri::Selection {
3884                    abs_path: Some(path),
3885                    line_range,
3886                } => {
3887                    let project = workspace.project();
3888                    let Some((path, _)) = project.update(cx, |project, cx| {
3889                        let path = project.find_project_path(path, cx)?;
3890                        let entry = project.entry_for_path(&path, cx)?;
3891                        Some((path, entry))
3892                    }) else {
3893                        return;
3894                    };
3895
3896                    let item = workspace.open_path(path, None, true, window, cx);
3897                    window
3898                        .spawn(cx, async move |cx| {
3899                            let Some(editor) = item.await?.downcast::<Editor>() else {
3900                                return Ok(());
3901                            };
3902                            let range = Point::new(*line_range.start(), 0)
3903                                ..Point::new(*line_range.start(), 0);
3904                            editor
3905                                .update_in(cx, |editor, window, cx| {
3906                                    editor.change_selections(
3907                                        SelectionEffects::scroll(Autoscroll::center()),
3908                                        window,
3909                                        cx,
3910                                        |s| s.select_ranges(vec![range]),
3911                                    );
3912                                })
3913                                .ok();
3914                            anyhow::Ok(())
3915                        })
3916                        .detach_and_log_err(cx);
3917                }
3918                MentionUri::Selection { abs_path: None, .. } => {}
3919                MentionUri::Thread { id, name } => {
3920                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3921                        panel.update(cx, |panel, cx| {
3922                            panel.load_agent_thread(
3923                                DbThreadMetadata {
3924                                    id,
3925                                    title: name.into(),
3926                                    updated_at: Default::default(),
3927                                },
3928                                window,
3929                                cx,
3930                            )
3931                        });
3932                    }
3933                }
3934                MentionUri::TextThread { path, .. } => {
3935                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3936                        panel.update(cx, |panel, cx| {
3937                            panel
3938                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
3939                                .detach_and_log_err(cx);
3940                        });
3941                    }
3942                }
3943                MentionUri::Rule { id, .. } => {
3944                    let PromptId::User { uuid } = id else {
3945                        return;
3946                    };
3947                    window.dispatch_action(
3948                        Box::new(OpenRulesLibrary {
3949                            prompt_to_select: Some(uuid.0),
3950                        }),
3951                        cx,
3952                    )
3953                }
3954                MentionUri::Fetch { url } => {
3955                    cx.open_url(url.as_str());
3956                }
3957            })
3958        } else {
3959            cx.open_url(&url);
3960        }
3961    }
3962
3963    fn open_tool_call_location(
3964        &self,
3965        entry_ix: usize,
3966        location_ix: usize,
3967        window: &mut Window,
3968        cx: &mut Context<Self>,
3969    ) -> Option<()> {
3970        let (tool_call_location, agent_location) = self
3971            .thread()?
3972            .read(cx)
3973            .entries()
3974            .get(entry_ix)?
3975            .location(location_ix)?;
3976
3977        let project_path = self
3978            .project
3979            .read(cx)
3980            .find_project_path(&tool_call_location.path, cx)?;
3981
3982        let open_task = self
3983            .workspace
3984            .update(cx, |workspace, cx| {
3985                workspace.open_path(project_path, None, true, window, cx)
3986            })
3987            .log_err()?;
3988        window
3989            .spawn(cx, async move |cx| {
3990                let item = open_task.await?;
3991
3992                let Some(active_editor) = item.downcast::<Editor>() else {
3993                    return anyhow::Ok(());
3994                };
3995
3996                active_editor.update_in(cx, |editor, window, cx| {
3997                    let multibuffer = editor.buffer().read(cx);
3998                    let buffer = multibuffer.as_singleton();
3999                    if agent_location.buffer.upgrade() == buffer {
4000                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4001                        let anchor = editor::Anchor::in_buffer(
4002                            excerpt_id.unwrap(),
4003                            buffer.unwrap().read(cx).remote_id(),
4004                            agent_location.position,
4005                        );
4006                        editor.change_selections(Default::default(), window, cx, |selections| {
4007                            selections.select_anchor_ranges([anchor..anchor]);
4008                        })
4009                    } else {
4010                        let row = tool_call_location.line.unwrap_or_default();
4011                        editor.change_selections(Default::default(), window, cx, |selections| {
4012                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4013                        })
4014                    }
4015                })?;
4016
4017                anyhow::Ok(())
4018            })
4019            .detach_and_log_err(cx);
4020
4021        None
4022    }
4023
4024    pub fn open_thread_as_markdown(
4025        &self,
4026        workspace: Entity<Workspace>,
4027        window: &mut Window,
4028        cx: &mut App,
4029    ) -> Task<anyhow::Result<()>> {
4030        let markdown_language_task = workspace
4031            .read(cx)
4032            .app_state()
4033            .languages
4034            .language_for_name("Markdown");
4035
4036        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4037            let thread = thread.read(cx);
4038            (thread.title().to_string(), thread.to_markdown(cx))
4039        } else {
4040            return Task::ready(Ok(()));
4041        };
4042
4043        window.spawn(cx, async move |cx| {
4044            let markdown_language = markdown_language_task.await?;
4045
4046            workspace.update_in(cx, |workspace, window, cx| {
4047                let project = workspace.project().clone();
4048
4049                if !project.read(cx).is_local() {
4050                    bail!("failed to open active thread as markdown in remote project");
4051                }
4052
4053                let buffer = project.update(cx, |project, cx| {
4054                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
4055                });
4056                let buffer = cx.new(|cx| {
4057                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4058                });
4059
4060                workspace.add_item_to_active_pane(
4061                    Box::new(cx.new(|cx| {
4062                        let mut editor =
4063                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4064                        editor.set_breadcrumb_header(thread_summary);
4065                        editor
4066                    })),
4067                    None,
4068                    true,
4069                    window,
4070                    cx,
4071                );
4072
4073                anyhow::Ok(())
4074            })??;
4075            anyhow::Ok(())
4076        })
4077    }
4078
4079    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4080        self.list_state.scroll_to(ListOffset::default());
4081        cx.notify();
4082    }
4083
4084    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4085        if let Some(thread) = self.thread() {
4086            let entry_count = thread.read(cx).entries().len();
4087            self.list_state.reset(entry_count);
4088            cx.notify();
4089        }
4090    }
4091
4092    fn notify_with_sound(
4093        &mut self,
4094        caption: impl Into<SharedString>,
4095        icon: IconName,
4096        window: &mut Window,
4097        cx: &mut Context<Self>,
4098    ) {
4099        self.play_notification_sound(window, cx);
4100        self.show_notification(caption, icon, window, cx);
4101    }
4102
4103    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4104        let settings = AgentSettings::get_global(cx);
4105        if settings.play_sound_when_agent_done && !window.is_window_active() {
4106            Audio::play_sound(Sound::AgentDone, cx);
4107        }
4108    }
4109
4110    fn show_notification(
4111        &mut self,
4112        caption: impl Into<SharedString>,
4113        icon: IconName,
4114        window: &mut Window,
4115        cx: &mut Context<Self>,
4116    ) {
4117        if window.is_window_active() || !self.notifications.is_empty() {
4118            return;
4119        }
4120
4121        // TODO: Change this once we have title summarization for external agents.
4122        let title = self.agent.name();
4123
4124        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4125            NotifyWhenAgentWaiting::PrimaryScreen => {
4126                if let Some(primary) = cx.primary_display() {
4127                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4128                }
4129            }
4130            NotifyWhenAgentWaiting::AllScreens => {
4131                let caption = caption.into();
4132                for screen in cx.displays() {
4133                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4134                }
4135            }
4136            NotifyWhenAgentWaiting::Never => {
4137                // Don't show anything
4138            }
4139        }
4140    }
4141
4142    fn pop_up(
4143        &mut self,
4144        icon: IconName,
4145        caption: SharedString,
4146        title: SharedString,
4147        window: &mut Window,
4148        screen: Rc<dyn PlatformDisplay>,
4149        cx: &mut Context<Self>,
4150    ) {
4151        let options = AgentNotification::window_options(screen, cx);
4152
4153        let project_name = self.workspace.upgrade().and_then(|workspace| {
4154            workspace
4155                .read(cx)
4156                .project()
4157                .read(cx)
4158                .visible_worktrees(cx)
4159                .next()
4160                .map(|worktree| worktree.read(cx).root_name().to_string())
4161        });
4162
4163        if let Some(screen_window) = cx
4164            .open_window(options, |_, cx| {
4165                cx.new(|_| {
4166                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4167                })
4168            })
4169            .log_err()
4170            && let Some(pop_up) = screen_window.entity(cx).log_err()
4171        {
4172            self.notification_subscriptions
4173                .entry(screen_window)
4174                .or_insert_with(Vec::new)
4175                .push(cx.subscribe_in(&pop_up, window, {
4176                    |this, _, event, window, cx| match event {
4177                        AgentNotificationEvent::Accepted => {
4178                            let handle = window.window_handle();
4179                            cx.activate(true);
4180
4181                            let workspace_handle = this.workspace.clone();
4182
4183                            // If there are multiple Zed windows, activate the correct one.
4184                            cx.defer(move |cx| {
4185                                handle
4186                                    .update(cx, |_view, window, _cx| {
4187                                        window.activate_window();
4188
4189                                        if let Some(workspace) = workspace_handle.upgrade() {
4190                                            workspace.update(_cx, |workspace, cx| {
4191                                                workspace.focus_panel::<AgentPanel>(window, cx);
4192                                            });
4193                                        }
4194                                    })
4195                                    .log_err();
4196                            });
4197
4198                            this.dismiss_notifications(cx);
4199                        }
4200                        AgentNotificationEvent::Dismissed => {
4201                            this.dismiss_notifications(cx);
4202                        }
4203                    }
4204                }));
4205
4206            self.notifications.push(screen_window);
4207
4208            // If the user manually refocuses the original window, dismiss the popup.
4209            self.notification_subscriptions
4210                .entry(screen_window)
4211                .or_insert_with(Vec::new)
4212                .push({
4213                    let pop_up_weak = pop_up.downgrade();
4214
4215                    cx.observe_window_activation(window, move |_, window, cx| {
4216                        if window.is_window_active()
4217                            && let Some(pop_up) = pop_up_weak.upgrade()
4218                        {
4219                            pop_up.update(cx, |_, cx| {
4220                                cx.emit(AgentNotificationEvent::Dismissed);
4221                            });
4222                        }
4223                    })
4224                });
4225        }
4226    }
4227
4228    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4229        for window in self.notifications.drain(..) {
4230            window
4231                .update(cx, |_, window, _| {
4232                    window.remove_window();
4233                })
4234                .ok();
4235
4236            self.notification_subscriptions.remove(&window);
4237        }
4238    }
4239
4240    fn render_thread_controls(
4241        &self,
4242        thread: &Entity<AcpThread>,
4243        cx: &Context<Self>,
4244    ) -> impl IntoElement {
4245        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4246        if is_generating {
4247            return h_flex().id("thread-controls-container").child(
4248                div()
4249                    .py_2()
4250                    .px_5()
4251                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4252            );
4253        }
4254
4255        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4256            .shape(ui::IconButtonShape::Square)
4257            .icon_size(IconSize::Small)
4258            .icon_color(Color::Ignored)
4259            .tooltip(Tooltip::text("Open Thread as Markdown"))
4260            .on_click(cx.listener(move |this, _, window, cx| {
4261                if let Some(workspace) = this.workspace.upgrade() {
4262                    this.open_thread_as_markdown(workspace, window, cx)
4263                        .detach_and_log_err(cx);
4264                }
4265            }));
4266
4267        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4268            .shape(ui::IconButtonShape::Square)
4269            .icon_size(IconSize::Small)
4270            .icon_color(Color::Ignored)
4271            .tooltip(Tooltip::text("Scroll To Top"))
4272            .on_click(cx.listener(move |this, _, _, cx| {
4273                this.scroll_to_top(cx);
4274            }));
4275
4276        let mut container = h_flex()
4277            .id("thread-controls-container")
4278            .group("thread-controls-container")
4279            .w_full()
4280            .py_2()
4281            .px_5()
4282            .gap_px()
4283            .opacity(0.6)
4284            .hover(|style| style.opacity(1.))
4285            .flex_wrap()
4286            .justify_end();
4287
4288        if AgentSettings::get_global(cx).enable_feedback
4289            && self
4290                .thread()
4291                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4292        {
4293            let feedback = self.thread_feedback.feedback;
4294
4295            container = container
4296                .child(
4297                    div().visible_on_hover("thread-controls-container").child(
4298                        Label::new(match feedback {
4299                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4300                            Some(ThreadFeedback::Negative) => {
4301                                "We appreciate your feedback and will use it to improve."
4302                            }
4303                            None => {
4304                                "Rating the thread sends all of your current conversation to the Zed team."
4305                            }
4306                        })
4307                        .color(Color::Muted)
4308                        .size(LabelSize::XSmall)
4309                        .truncate(),
4310                    ),
4311                )
4312                .child(
4313                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4314                        .shape(ui::IconButtonShape::Square)
4315                        .icon_size(IconSize::Small)
4316                        .icon_color(match feedback {
4317                            Some(ThreadFeedback::Positive) => Color::Accent,
4318                            _ => Color::Ignored,
4319                        })
4320                        .tooltip(Tooltip::text("Helpful Response"))
4321                        .on_click(cx.listener(move |this, _, window, cx| {
4322                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4323                        })),
4324                )
4325                .child(
4326                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4327                        .shape(ui::IconButtonShape::Square)
4328                        .icon_size(IconSize::Small)
4329                        .icon_color(match feedback {
4330                            Some(ThreadFeedback::Negative) => Color::Accent,
4331                            _ => Color::Ignored,
4332                        })
4333                        .tooltip(Tooltip::text("Not Helpful"))
4334                        .on_click(cx.listener(move |this, _, window, cx| {
4335                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4336                        })),
4337                );
4338        }
4339
4340        container.child(open_as_markdown).child(scroll_to_top)
4341    }
4342
4343    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4344        h_flex()
4345            .key_context("AgentFeedbackMessageEditor")
4346            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4347                this.thread_feedback.dismiss_comments();
4348                cx.notify();
4349            }))
4350            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4351                this.submit_feedback_message(cx);
4352            }))
4353            .p_2()
4354            .mb_2()
4355            .mx_5()
4356            .gap_1()
4357            .rounded_md()
4358            .border_1()
4359            .border_color(cx.theme().colors().border)
4360            .bg(cx.theme().colors().editor_background)
4361            .child(div().w_full().child(editor))
4362            .child(
4363                h_flex()
4364                    .child(
4365                        IconButton::new("dismiss-feedback-message", IconName::Close)
4366                            .icon_color(Color::Error)
4367                            .icon_size(IconSize::XSmall)
4368                            .shape(ui::IconButtonShape::Square)
4369                            .on_click(cx.listener(move |this, _, _window, cx| {
4370                                this.thread_feedback.dismiss_comments();
4371                                cx.notify();
4372                            })),
4373                    )
4374                    .child(
4375                        IconButton::new("submit-feedback-message", IconName::Return)
4376                            .icon_size(IconSize::XSmall)
4377                            .shape(ui::IconButtonShape::Square)
4378                            .on_click(cx.listener(move |this, _, _window, cx| {
4379                                this.submit_feedback_message(cx);
4380                            })),
4381                    ),
4382            )
4383    }
4384
4385    fn handle_feedback_click(
4386        &mut self,
4387        feedback: ThreadFeedback,
4388        window: &mut Window,
4389        cx: &mut Context<Self>,
4390    ) {
4391        let Some(thread) = self.thread().cloned() else {
4392            return;
4393        };
4394
4395        self.thread_feedback.submit(thread, feedback, window, cx);
4396        cx.notify();
4397    }
4398
4399    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4400        let Some(thread) = self.thread().cloned() else {
4401            return;
4402        };
4403
4404        self.thread_feedback.submit_comments(thread, cx);
4405        cx.notify();
4406    }
4407
4408    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4409        div()
4410            .id("acp-thread-scrollbar")
4411            .occlude()
4412            .on_mouse_move(cx.listener(|_, _, _, cx| {
4413                cx.notify();
4414                cx.stop_propagation()
4415            }))
4416            .on_hover(|_, _, cx| {
4417                cx.stop_propagation();
4418            })
4419            .on_any_mouse_down(|_, _, cx| {
4420                cx.stop_propagation();
4421            })
4422            .on_mouse_up(
4423                MouseButton::Left,
4424                cx.listener(|_, _, _, cx| {
4425                    cx.stop_propagation();
4426                }),
4427            )
4428            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4429                cx.notify();
4430            }))
4431            .h_full()
4432            .absolute()
4433            .right_1()
4434            .top_1()
4435            .bottom_0()
4436            .w(px(12.))
4437            .cursor_default()
4438            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4439    }
4440
4441    fn render_token_limit_callout(
4442        &self,
4443        line_height: Pixels,
4444        cx: &mut Context<Self>,
4445    ) -> Option<Callout> {
4446        let token_usage = self.thread()?.read(cx).token_usage()?;
4447        let ratio = token_usage.ratio();
4448
4449        let (severity, title) = match ratio {
4450            acp_thread::TokenUsageRatio::Normal => return None,
4451            acp_thread::TokenUsageRatio::Warning => {
4452                (Severity::Warning, "Thread reaching the token limit soon")
4453            }
4454            acp_thread::TokenUsageRatio::Exceeded => {
4455                (Severity::Error, "Thread reached the token limit")
4456            }
4457        };
4458
4459        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4460            thread.read(cx).completion_mode() == CompletionMode::Normal
4461                && thread
4462                    .read(cx)
4463                    .model()
4464                    .is_some_and(|model| model.supports_burn_mode())
4465        });
4466
4467        let description = if burn_mode_available {
4468            "To continue, start a new thread from a summary or turn Burn Mode on."
4469        } else {
4470            "To continue, start a new thread from a summary."
4471        };
4472
4473        Some(
4474            Callout::new()
4475                .severity(severity)
4476                .line_height(line_height)
4477                .title(title)
4478                .description(description)
4479                .actions_slot(
4480                    h_flex()
4481                        .gap_0p5()
4482                        .child(
4483                            Button::new("start-new-thread", "Start New Thread")
4484                                .label_size(LabelSize::Small)
4485                                .on_click(cx.listener(|this, _, window, cx| {
4486                                    let Some(thread) = this.thread() else {
4487                                        return;
4488                                    };
4489                                    let session_id = thread.read(cx).session_id().clone();
4490                                    window.dispatch_action(
4491                                        crate::NewNativeAgentThreadFromSummary {
4492                                            from_session_id: session_id,
4493                                        }
4494                                        .boxed_clone(),
4495                                        cx,
4496                                    );
4497                                })),
4498                        )
4499                        .when(burn_mode_available, |this| {
4500                            this.child(
4501                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4502                                    .icon_size(IconSize::XSmall)
4503                                    .on_click(cx.listener(|this, _event, window, cx| {
4504                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4505                                    })),
4506                            )
4507                        }),
4508                ),
4509        )
4510    }
4511
4512    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4513        if !self.is_using_zed_ai_models(cx) {
4514            return None;
4515        }
4516
4517        let user_store = self.project.read(cx).user_store().read(cx);
4518        if user_store.is_usage_based_billing_enabled() {
4519            return None;
4520        }
4521
4522        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4523
4524        let usage = user_store.model_request_usage()?;
4525
4526        Some(
4527            div()
4528                .child(UsageCallout::new(plan, usage))
4529                .line_height(line_height),
4530        )
4531    }
4532
4533    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4534        self.entry_view_state.update(cx, |entry_view_state, cx| {
4535            entry_view_state.settings_changed(cx);
4536        });
4537    }
4538
4539    pub(crate) fn insert_dragged_files(
4540        &self,
4541        paths: Vec<project::ProjectPath>,
4542        added_worktrees: Vec<Entity<project::Worktree>>,
4543        window: &mut Window,
4544        cx: &mut Context<Self>,
4545    ) {
4546        self.message_editor.update(cx, |message_editor, cx| {
4547            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4548        })
4549    }
4550
4551    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4552        self.message_editor.update(cx, |message_editor, cx| {
4553            message_editor.insert_selections(window, cx);
4554        })
4555    }
4556
4557    fn render_thread_retry_status_callout(
4558        &self,
4559        _window: &mut Window,
4560        _cx: &mut Context<Self>,
4561    ) -> Option<Callout> {
4562        let state = self.thread_retry_status.as_ref()?;
4563
4564        let next_attempt_in = state
4565            .duration
4566            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4567        if next_attempt_in.is_zero() {
4568            return None;
4569        }
4570
4571        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4572
4573        let retry_message = if state.max_attempts == 1 {
4574            if next_attempt_in_secs == 1 {
4575                "Retrying. Next attempt in 1 second.".to_string()
4576            } else {
4577                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4578            }
4579        } else if next_attempt_in_secs == 1 {
4580            format!(
4581                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4582                state.attempt, state.max_attempts,
4583            )
4584        } else {
4585            format!(
4586                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4587                state.attempt, state.max_attempts,
4588            )
4589        };
4590
4591        Some(
4592            Callout::new()
4593                .severity(Severity::Warning)
4594                .title(state.last_error.clone())
4595                .description(retry_message),
4596        )
4597    }
4598
4599    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4600        let content = match self.thread_error.as_ref()? {
4601            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4602            ThreadError::AuthenticationRequired(error) => {
4603                self.render_authentication_required_error(error.clone(), cx)
4604            }
4605            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4606            ThreadError::ModelRequestLimitReached(plan) => {
4607                self.render_model_request_limit_reached_error(*plan, cx)
4608            }
4609            ThreadError::ToolUseLimitReached => {
4610                self.render_tool_use_limit_reached_error(window, cx)?
4611            }
4612        };
4613
4614        Some(div().child(content))
4615    }
4616
4617    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4618        let can_resume = self
4619            .thread()
4620            .map_or(false, |thread| thread.read(cx).can_resume(cx));
4621
4622        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
4623            let thread = thread.read(cx);
4624            let supports_burn_mode = thread
4625                .model()
4626                .map_or(false, |model| model.supports_burn_mode());
4627            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
4628        });
4629
4630        Callout::new()
4631            .severity(Severity::Error)
4632            .title("Error")
4633            .icon(IconName::XCircle)
4634            .description(error.clone())
4635            .actions_slot(
4636                h_flex()
4637                    .gap_0p5()
4638                    .when(can_resume && can_enable_burn_mode, |this| {
4639                        this.child(
4640                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
4641                                .icon(IconName::ZedBurnMode)
4642                                .icon_position(IconPosition::Start)
4643                                .icon_size(IconSize::Small)
4644                                .label_size(LabelSize::Small)
4645                                .on_click(cx.listener(|this, _, window, cx| {
4646                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4647                                    this.resume_chat(cx);
4648                                })),
4649                        )
4650                    })
4651                    .when(can_resume, |this| {
4652                        this.child(
4653                            Button::new("retry", "Retry")
4654                                .icon(IconName::RotateCw)
4655                                .icon_position(IconPosition::Start)
4656                                .icon_size(IconSize::Small)
4657                                .label_size(LabelSize::Small)
4658                                .on_click(cx.listener(|this, _, _window, cx| {
4659                                    this.resume_chat(cx);
4660                                })),
4661                        )
4662                    })
4663                    .child(self.create_copy_button(error.to_string())),
4664            )
4665            .dismiss_action(self.dismiss_error_button(cx))
4666    }
4667
4668    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4669        const ERROR_MESSAGE: &str =
4670            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4671
4672        Callout::new()
4673            .severity(Severity::Error)
4674            .icon(IconName::XCircle)
4675            .title("Free Usage Exceeded")
4676            .description(ERROR_MESSAGE)
4677            .actions_slot(
4678                h_flex()
4679                    .gap_0p5()
4680                    .child(self.upgrade_button(cx))
4681                    .child(self.create_copy_button(ERROR_MESSAGE)),
4682            )
4683            .dismiss_action(self.dismiss_error_button(cx))
4684    }
4685
4686    fn render_authentication_required_error(
4687        &self,
4688        error: SharedString,
4689        cx: &mut Context<Self>,
4690    ) -> Callout {
4691        Callout::new()
4692            .severity(Severity::Error)
4693            .title("Authentication Required")
4694            .icon(IconName::XCircle)
4695            .description(error.clone())
4696            .actions_slot(
4697                h_flex()
4698                    .gap_0p5()
4699                    .child(self.authenticate_button(cx))
4700                    .child(self.create_copy_button(error)),
4701            )
4702            .dismiss_action(self.dismiss_error_button(cx))
4703    }
4704
4705    fn render_model_request_limit_reached_error(
4706        &self,
4707        plan: cloud_llm_client::Plan,
4708        cx: &mut Context<Self>,
4709    ) -> Callout {
4710        let error_message = match plan {
4711            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4712            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4713                "Upgrade to Zed Pro for more prompts."
4714            }
4715        };
4716
4717        Callout::new()
4718            .severity(Severity::Error)
4719            .title("Model Prompt Limit Reached")
4720            .icon(IconName::XCircle)
4721            .description(error_message)
4722            .actions_slot(
4723                h_flex()
4724                    .gap_0p5()
4725                    .child(self.upgrade_button(cx))
4726                    .child(self.create_copy_button(error_message)),
4727            )
4728            .dismiss_action(self.dismiss_error_button(cx))
4729    }
4730
4731    fn render_tool_use_limit_reached_error(
4732        &self,
4733        window: &mut Window,
4734        cx: &mut Context<Self>,
4735    ) -> Option<Callout> {
4736        let thread = self.as_native_thread(cx)?;
4737        let supports_burn_mode = thread
4738            .read(cx)
4739            .model()
4740            .is_some_and(|model| model.supports_burn_mode());
4741
4742        let focus_handle = self.focus_handle(cx);
4743
4744        Some(
4745            Callout::new()
4746                .icon(IconName::Info)
4747                .title("Consecutive tool use limit reached.")
4748                .actions_slot(
4749                    h_flex()
4750                        .gap_0p5()
4751                        .when(supports_burn_mode, |this| {
4752                            this.child(
4753                                Button::new("continue-burn-mode", "Continue with Burn Mode")
4754                                    .style(ButtonStyle::Filled)
4755                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4756                                    .layer(ElevationIndex::ModalSurface)
4757                                    .label_size(LabelSize::Small)
4758                                    .key_binding(
4759                                        KeyBinding::for_action_in(
4760                                            &ContinueWithBurnMode,
4761                                            &focus_handle,
4762                                            window,
4763                                            cx,
4764                                        )
4765                                        .map(|kb| kb.size(rems_from_px(10.))),
4766                                    )
4767                                    .tooltip(Tooltip::text(
4768                                        "Enable Burn Mode for unlimited tool use.",
4769                                    ))
4770                                    .on_click({
4771                                        cx.listener(move |this, _, _window, cx| {
4772                                            thread.update(cx, |thread, cx| {
4773                                                thread
4774                                                    .set_completion_mode(CompletionMode::Burn, cx);
4775                                            });
4776                                            this.resume_chat(cx);
4777                                        })
4778                                    }),
4779                            )
4780                        })
4781                        .child(
4782                            Button::new("continue-conversation", "Continue")
4783                                .layer(ElevationIndex::ModalSurface)
4784                                .label_size(LabelSize::Small)
4785                                .key_binding(
4786                                    KeyBinding::for_action_in(
4787                                        &ContinueThread,
4788                                        &focus_handle,
4789                                        window,
4790                                        cx,
4791                                    )
4792                                    .map(|kb| kb.size(rems_from_px(10.))),
4793                                )
4794                                .on_click(cx.listener(|this, _, _window, cx| {
4795                                    this.resume_chat(cx);
4796                                })),
4797                        ),
4798                ),
4799        )
4800    }
4801
4802    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
4803        let message = message.into();
4804
4805        IconButton::new("copy", IconName::Copy)
4806            .icon_size(IconSize::Small)
4807            .icon_color(Color::Muted)
4808            .tooltip(Tooltip::text("Copy Error Message"))
4809            .on_click(move |_, _, cx| {
4810                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
4811            })
4812    }
4813
4814    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4815        IconButton::new("dismiss", IconName::Close)
4816            .icon_size(IconSize::Small)
4817            .icon_color(Color::Muted)
4818            .tooltip(Tooltip::text("Dismiss Error"))
4819            .on_click(cx.listener({
4820                move |this, _, _, cx| {
4821                    this.clear_thread_error(cx);
4822                    cx.notify();
4823                }
4824            }))
4825    }
4826
4827    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4828        Button::new("authenticate", "Authenticate")
4829            .label_size(LabelSize::Small)
4830            .style(ButtonStyle::Filled)
4831            .on_click(cx.listener({
4832                move |this, _, window, cx| {
4833                    let agent = this.agent.clone();
4834                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
4835                        return;
4836                    };
4837
4838                    let connection = thread.read(cx).connection().clone();
4839                    let err = AuthRequired {
4840                        description: None,
4841                        provider_id: None,
4842                    };
4843                    this.clear_thread_error(cx);
4844                    let this = cx.weak_entity();
4845                    window.defer(cx, |window, cx| {
4846                        Self::handle_auth_required(this, err, agent, connection, window, cx);
4847                    })
4848                }
4849            }))
4850    }
4851
4852    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4853        let agent = self.agent.clone();
4854        let ThreadState::Ready { thread, .. } = &self.thread_state else {
4855            return;
4856        };
4857
4858        let connection = thread.read(cx).connection().clone();
4859        let err = AuthRequired {
4860            description: None,
4861            provider_id: None,
4862        };
4863        self.clear_thread_error(cx);
4864        let this = cx.weak_entity();
4865        window.defer(cx, |window, cx| {
4866            Self::handle_auth_required(this, err, agent, connection, window, cx);
4867        })
4868    }
4869
4870    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4871        Button::new("upgrade", "Upgrade")
4872            .label_size(LabelSize::Small)
4873            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4874            .on_click(cx.listener({
4875                move |this, _, _, cx| {
4876                    this.clear_thread_error(cx);
4877                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
4878                }
4879            }))
4880    }
4881
4882    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4883        self.thread_state = Self::initial_state(
4884            self.agent.clone(),
4885            None,
4886            self.workspace.clone(),
4887            self.project.clone(),
4888            window,
4889            cx,
4890        );
4891        cx.notify();
4892    }
4893
4894    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
4895        let task = match entry {
4896            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
4897                history.delete_thread(thread.id.clone(), cx)
4898            }),
4899            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
4900                history.delete_text_thread(context.path.clone(), cx)
4901            }),
4902        };
4903        task.detach_and_log_err(cx);
4904    }
4905}
4906
4907fn loading_contents_spinner(size: IconSize) -> AnyElement {
4908    Icon::new(IconName::LoadCircle)
4909        .size(size)
4910        .color(Color::Accent)
4911        .with_animation(
4912            "load_context_circle",
4913            Animation::new(Duration::from_secs(3)).repeat(),
4914            |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
4915        )
4916        .into_any_element()
4917}
4918
4919impl Focusable for AcpThreadView {
4920    fn focus_handle(&self, cx: &App) -> FocusHandle {
4921        match self.thread_state {
4922            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
4923                self.message_editor.focus_handle(cx)
4924            }
4925            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
4926                self.focus_handle.clone()
4927            }
4928        }
4929    }
4930}
4931
4932impl Render for AcpThreadView {
4933    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4934        let has_messages = self.list_state.item_count() > 0;
4935        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
4936
4937        v_flex()
4938            .size_full()
4939            .key_context("AcpThread")
4940            .on_action(cx.listener(Self::open_agent_diff))
4941            .on_action(cx.listener(Self::toggle_burn_mode))
4942            .on_action(cx.listener(Self::keep_all))
4943            .on_action(cx.listener(Self::reject_all))
4944            .track_focus(&self.focus_handle)
4945            .bg(cx.theme().colors().panel_background)
4946            .child(match &self.thread_state {
4947                ThreadState::Unauthenticated {
4948                    connection,
4949                    description,
4950                    configuration_view,
4951                    pending_auth_method,
4952                    ..
4953                } => self.render_auth_required_state(
4954                    connection,
4955                    description.as_ref(),
4956                    configuration_view.as_ref(),
4957                    pending_auth_method.as_ref(),
4958                    window,
4959                    cx,
4960                ),
4961                ThreadState::Loading { .. } => v_flex()
4962                    .flex_1()
4963                    .child(self.render_recent_history(window, cx)),
4964                ThreadState::LoadError(e) => v_flex()
4965                    .flex_1()
4966                    .size_full()
4967                    .items_center()
4968                    .justify_end()
4969                    .child(self.render_load_error(e, window, cx)),
4970                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
4971                    if has_messages {
4972                        this.child(
4973                            list(
4974                                self.list_state.clone(),
4975                                cx.processor(|this, index: usize, window, cx| {
4976                                    let Some((entry, len)) = this.thread().and_then(|thread| {
4977                                        let entries = &thread.read(cx).entries();
4978                                        Some((entries.get(index)?, entries.len()))
4979                                    }) else {
4980                                        return Empty.into_any();
4981                                    };
4982                                    this.render_entry(index, len, entry, window, cx)
4983                                }),
4984                            )
4985                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
4986                            .flex_grow()
4987                            .into_any(),
4988                        )
4989                        .child(self.render_vertical_scrollbar(cx))
4990                    } else {
4991                        this.child(self.render_recent_history(window, cx))
4992                    }
4993                }),
4994            })
4995            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
4996            // above so that the scrollbar doesn't render behind it. The current setup allows
4997            // the scrollbar to stop exactly at the activity bar start.
4998            .when(has_messages, |this| match &self.thread_state {
4999                ThreadState::Ready { thread, .. } => {
5000                    this.children(self.render_activity_bar(thread, window, cx))
5001                }
5002                _ => this,
5003            })
5004            .children(self.render_thread_retry_status_callout(window, cx))
5005            .children(self.render_thread_error(window, cx))
5006            .children(
5007                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5008                    Some(usage_callout.into_any_element())
5009                } else {
5010                    self.render_token_limit_callout(line_height, cx)
5011                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5012                },
5013            )
5014            .child(self.render_message_editor(window, cx))
5015    }
5016}
5017
5018fn default_markdown_style(
5019    buffer_font: bool,
5020    muted_text: bool,
5021    window: &Window,
5022    cx: &App,
5023) -> MarkdownStyle {
5024    let theme_settings = ThemeSettings::get_global(cx);
5025    let colors = cx.theme().colors();
5026
5027    let buffer_font_size = TextSize::Small.rems(cx);
5028
5029    let mut text_style = window.text_style();
5030    let line_height = buffer_font_size * 1.75;
5031
5032    let font_family = if buffer_font {
5033        theme_settings.buffer_font.family.clone()
5034    } else {
5035        theme_settings.ui_font.family.clone()
5036    };
5037
5038    let font_size = if buffer_font {
5039        TextSize::Small.rems(cx)
5040    } else {
5041        TextSize::Default.rems(cx)
5042    };
5043
5044    let text_color = if muted_text {
5045        colors.text_muted
5046    } else {
5047        colors.text
5048    };
5049
5050    text_style.refine(&TextStyleRefinement {
5051        font_family: Some(font_family),
5052        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5053        font_features: Some(theme_settings.ui_font.features.clone()),
5054        font_size: Some(font_size.into()),
5055        line_height: Some(line_height.into()),
5056        color: Some(text_color),
5057        ..Default::default()
5058    });
5059
5060    MarkdownStyle {
5061        base_text_style: text_style.clone(),
5062        syntax: cx.theme().syntax().clone(),
5063        selection_background_color: colors.element_selection_background,
5064        code_block_overflow_x_scroll: true,
5065        table_overflow_x_scroll: true,
5066        heading_level_styles: Some(HeadingLevelStyles {
5067            h1: Some(TextStyleRefinement {
5068                font_size: Some(rems(1.15).into()),
5069                ..Default::default()
5070            }),
5071            h2: Some(TextStyleRefinement {
5072                font_size: Some(rems(1.1).into()),
5073                ..Default::default()
5074            }),
5075            h3: Some(TextStyleRefinement {
5076                font_size: Some(rems(1.05).into()),
5077                ..Default::default()
5078            }),
5079            h4: Some(TextStyleRefinement {
5080                font_size: Some(rems(1.).into()),
5081                ..Default::default()
5082            }),
5083            h5: Some(TextStyleRefinement {
5084                font_size: Some(rems(0.95).into()),
5085                ..Default::default()
5086            }),
5087            h6: Some(TextStyleRefinement {
5088                font_size: Some(rems(0.875).into()),
5089                ..Default::default()
5090            }),
5091        }),
5092        code_block: StyleRefinement {
5093            padding: EdgesRefinement {
5094                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5095                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5096                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5097                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5098            },
5099            margin: EdgesRefinement {
5100                top: Some(Length::Definite(Pixels(8.).into())),
5101                left: Some(Length::Definite(Pixels(0.).into())),
5102                right: Some(Length::Definite(Pixels(0.).into())),
5103                bottom: Some(Length::Definite(Pixels(12.).into())),
5104            },
5105            border_style: Some(BorderStyle::Solid),
5106            border_widths: EdgesRefinement {
5107                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
5108                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
5109                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
5110                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
5111            },
5112            border_color: Some(colors.border_variant),
5113            background: Some(colors.editor_background.into()),
5114            text: Some(TextStyleRefinement {
5115                font_family: Some(theme_settings.buffer_font.family.clone()),
5116                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5117                font_features: Some(theme_settings.buffer_font.features.clone()),
5118                font_size: Some(buffer_font_size.into()),
5119                ..Default::default()
5120            }),
5121            ..Default::default()
5122        },
5123        inline_code: TextStyleRefinement {
5124            font_family: Some(theme_settings.buffer_font.family.clone()),
5125            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5126            font_features: Some(theme_settings.buffer_font.features.clone()),
5127            font_size: Some(buffer_font_size.into()),
5128            background_color: Some(colors.editor_foreground.opacity(0.08)),
5129            ..Default::default()
5130        },
5131        link: TextStyleRefinement {
5132            background_color: Some(colors.editor_foreground.opacity(0.025)),
5133            underline: Some(UnderlineStyle {
5134                color: Some(colors.text_accent.opacity(0.5)),
5135                thickness: px(1.),
5136                ..Default::default()
5137            }),
5138            ..Default::default()
5139        },
5140        ..Default::default()
5141    }
5142}
5143
5144fn plan_label_markdown_style(
5145    status: &acp::PlanEntryStatus,
5146    window: &Window,
5147    cx: &App,
5148) -> MarkdownStyle {
5149    let default_md_style = default_markdown_style(false, false, window, cx);
5150
5151    MarkdownStyle {
5152        base_text_style: TextStyle {
5153            color: cx.theme().colors().text_muted,
5154            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5155                Some(gpui::StrikethroughStyle {
5156                    thickness: px(1.),
5157                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5158                })
5159            } else {
5160                None
5161            },
5162            ..default_md_style.base_text_style
5163        },
5164        ..default_md_style
5165    }
5166}
5167
5168fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5169    let default_md_style = default_markdown_style(true, false, window, cx);
5170
5171    MarkdownStyle {
5172        base_text_style: TextStyle {
5173            ..default_md_style.base_text_style
5174        },
5175        selection_background_color: cx.theme().colors().element_selection_background,
5176        ..Default::default()
5177    }
5178}
5179
5180#[cfg(test)]
5181pub(crate) mod tests {
5182    use acp_thread::StubAgentConnection;
5183    use agent_client_protocol::SessionId;
5184    use assistant_context::ContextStore;
5185    use editor::EditorSettings;
5186    use fs::FakeFs;
5187    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5188    use project::Project;
5189    use serde_json::json;
5190    use settings::SettingsStore;
5191    use std::any::Any;
5192    use std::path::Path;
5193    use workspace::Item;
5194
5195    use super::*;
5196
5197    #[gpui::test]
5198    async fn test_drop(cx: &mut TestAppContext) {
5199        init_test(cx);
5200
5201        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5202        let weak_view = thread_view.downgrade();
5203        drop(thread_view);
5204        assert!(!weak_view.is_upgradable());
5205    }
5206
5207    #[gpui::test]
5208    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5209        init_test(cx);
5210
5211        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5212
5213        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5214        message_editor.update_in(cx, |editor, window, cx| {
5215            editor.set_text("Hello", window, cx);
5216        });
5217
5218        cx.deactivate_window();
5219
5220        thread_view.update_in(cx, |thread_view, window, cx| {
5221            thread_view.send(window, cx);
5222        });
5223
5224        cx.run_until_parked();
5225
5226        assert!(
5227            cx.windows()
5228                .iter()
5229                .any(|window| window.downcast::<AgentNotification>().is_some())
5230        );
5231    }
5232
5233    #[gpui::test]
5234    async fn test_notification_for_error(cx: &mut TestAppContext) {
5235        init_test(cx);
5236
5237        let (thread_view, cx) =
5238            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5239
5240        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5241        message_editor.update_in(cx, |editor, window, cx| {
5242            editor.set_text("Hello", window, cx);
5243        });
5244
5245        cx.deactivate_window();
5246
5247        thread_view.update_in(cx, |thread_view, window, cx| {
5248            thread_view.send(window, cx);
5249        });
5250
5251        cx.run_until_parked();
5252
5253        assert!(
5254            cx.windows()
5255                .iter()
5256                .any(|window| window.downcast::<AgentNotification>().is_some())
5257        );
5258    }
5259
5260    #[gpui::test]
5261    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5262        init_test(cx);
5263
5264        let tool_call_id = acp::ToolCallId("1".into());
5265        let tool_call = acp::ToolCall {
5266            id: tool_call_id.clone(),
5267            title: "Label".into(),
5268            kind: acp::ToolKind::Edit,
5269            status: acp::ToolCallStatus::Pending,
5270            content: vec!["hi".into()],
5271            locations: vec![],
5272            raw_input: None,
5273            raw_output: None,
5274        };
5275        let connection =
5276            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5277                tool_call_id,
5278                vec![acp::PermissionOption {
5279                    id: acp::PermissionOptionId("1".into()),
5280                    name: "Allow".into(),
5281                    kind: acp::PermissionOptionKind::AllowOnce,
5282                }],
5283            )]));
5284
5285        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5286
5287        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5288
5289        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5290        message_editor.update_in(cx, |editor, window, cx| {
5291            editor.set_text("Hello", window, cx);
5292        });
5293
5294        cx.deactivate_window();
5295
5296        thread_view.update_in(cx, |thread_view, window, cx| {
5297            thread_view.send(window, cx);
5298        });
5299
5300        cx.run_until_parked();
5301
5302        assert!(
5303            cx.windows()
5304                .iter()
5305                .any(|window| window.downcast::<AgentNotification>().is_some())
5306        );
5307    }
5308
5309    async fn setup_thread_view(
5310        agent: impl AgentServer + 'static,
5311        cx: &mut TestAppContext,
5312    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5313        let fs = FakeFs::new(cx.executor());
5314        let project = Project::test(fs, [], cx).await;
5315        let (workspace, cx) =
5316            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5317
5318        let context_store =
5319            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5320        let history_store =
5321            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5322
5323        let thread_view = cx.update(|window, cx| {
5324            cx.new(|cx| {
5325                AcpThreadView::new(
5326                    Rc::new(agent),
5327                    None,
5328                    None,
5329                    workspace.downgrade(),
5330                    project,
5331                    history_store,
5332                    None,
5333                    window,
5334                    cx,
5335                )
5336            })
5337        });
5338        cx.run_until_parked();
5339        (thread_view, cx)
5340    }
5341
5342    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5343        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5344
5345        workspace
5346            .update_in(cx, |workspace, window, cx| {
5347                workspace.add_item_to_active_pane(
5348                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5349                    None,
5350                    true,
5351                    window,
5352                    cx,
5353                );
5354            })
5355            .unwrap();
5356    }
5357
5358    struct ThreadViewItem(Entity<AcpThreadView>);
5359
5360    impl Item for ThreadViewItem {
5361        type Event = ();
5362
5363        fn include_in_nav_history() -> bool {
5364            false
5365        }
5366
5367        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5368            "Test".into()
5369        }
5370    }
5371
5372    impl EventEmitter<()> for ThreadViewItem {}
5373
5374    impl Focusable for ThreadViewItem {
5375        fn focus_handle(&self, cx: &App) -> FocusHandle {
5376            self.0.read(cx).focus_handle(cx)
5377        }
5378    }
5379
5380    impl Render for ThreadViewItem {
5381        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5382            self.0.clone().into_any_element()
5383        }
5384    }
5385
5386    struct StubAgentServer<C> {
5387        connection: C,
5388    }
5389
5390    impl<C> StubAgentServer<C> {
5391        fn new(connection: C) -> Self {
5392            Self { connection }
5393        }
5394    }
5395
5396    impl StubAgentServer<StubAgentConnection> {
5397        fn default_response() -> Self {
5398            let conn = StubAgentConnection::new();
5399            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5400                content: "Default response".into(),
5401            }]);
5402            Self::new(conn)
5403        }
5404    }
5405
5406    impl<C> AgentServer for StubAgentServer<C>
5407    where
5408        C: 'static + AgentConnection + Send + Clone,
5409    {
5410        fn telemetry_id(&self) -> &'static str {
5411            "test"
5412        }
5413
5414        fn logo(&self) -> ui::IconName {
5415            ui::IconName::Ai
5416        }
5417
5418        fn name(&self) -> SharedString {
5419            "Test".into()
5420        }
5421
5422        fn empty_state_headline(&self) -> SharedString {
5423            "Test".into()
5424        }
5425
5426        fn empty_state_message(&self) -> SharedString {
5427            "Test".into()
5428        }
5429
5430        fn connect(
5431            &self,
5432            _root_dir: &Path,
5433            _project: &Entity<Project>,
5434            _cx: &mut App,
5435        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
5436            Task::ready(Ok(Rc::new(self.connection.clone())))
5437        }
5438
5439        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5440            self
5441        }
5442    }
5443
5444    #[derive(Clone)]
5445    struct SaboteurAgentConnection;
5446
5447    impl AgentConnection for SaboteurAgentConnection {
5448        fn new_thread(
5449            self: Rc<Self>,
5450            project: Entity<Project>,
5451            _cwd: &Path,
5452            cx: &mut gpui::App,
5453        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5454            Task::ready(Ok(cx.new(|cx| {
5455                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5456                AcpThread::new(
5457                    "SaboteurAgentConnection",
5458                    self,
5459                    project,
5460                    action_log,
5461                    SessionId("test".into()),
5462                    watch::Receiver::constant(acp::PromptCapabilities {
5463                        image: true,
5464                        audio: true,
5465                        embedded_context: true,
5466                    }),
5467                    cx,
5468                )
5469            })))
5470        }
5471
5472        fn auth_methods(&self) -> &[acp::AuthMethod] {
5473            &[]
5474        }
5475
5476        fn authenticate(
5477            &self,
5478            _method_id: acp::AuthMethodId,
5479            _cx: &mut App,
5480        ) -> Task<gpui::Result<()>> {
5481            unimplemented!()
5482        }
5483
5484        fn prompt(
5485            &self,
5486            _id: Option<acp_thread::UserMessageId>,
5487            _params: acp::PromptRequest,
5488            _cx: &mut App,
5489        ) -> Task<gpui::Result<acp::PromptResponse>> {
5490            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5491        }
5492
5493        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5494            unimplemented!()
5495        }
5496
5497        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5498            self
5499        }
5500    }
5501
5502    pub(crate) fn init_test(cx: &mut TestAppContext) {
5503        cx.update(|cx| {
5504            let settings_store = SettingsStore::test(cx);
5505            cx.set_global(settings_store);
5506            language::init(cx);
5507            Project::init_settings(cx);
5508            AgentSettings::register(cx);
5509            workspace::init_settings(cx);
5510            ThemeSettings::register(cx);
5511            release_channel::init(SemanticVersion::default(), cx);
5512            EditorSettings::register(cx);
5513            prompt_store::init(cx)
5514        });
5515    }
5516
5517    #[gpui::test]
5518    async fn test_rewind_views(cx: &mut TestAppContext) {
5519        init_test(cx);
5520
5521        let fs = FakeFs::new(cx.executor());
5522        fs.insert_tree(
5523            "/project",
5524            json!({
5525                "test1.txt": "old content 1",
5526                "test2.txt": "old content 2"
5527            }),
5528        )
5529        .await;
5530        let project = Project::test(fs, [Path::new("/project")], cx).await;
5531        let (workspace, cx) =
5532            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5533
5534        let context_store =
5535            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5536        let history_store =
5537            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5538
5539        let connection = Rc::new(StubAgentConnection::new());
5540        let thread_view = cx.update(|window, cx| {
5541            cx.new(|cx| {
5542                AcpThreadView::new(
5543                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5544                    None,
5545                    None,
5546                    workspace.downgrade(),
5547                    project.clone(),
5548                    history_store.clone(),
5549                    None,
5550                    window,
5551                    cx,
5552                )
5553            })
5554        });
5555
5556        cx.run_until_parked();
5557
5558        let thread = thread_view
5559            .read_with(cx, |view, _| view.thread().cloned())
5560            .unwrap();
5561
5562        // First user message
5563        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5564            id: acp::ToolCallId("tool1".into()),
5565            title: "Edit file 1".into(),
5566            kind: acp::ToolKind::Edit,
5567            status: acp::ToolCallStatus::Completed,
5568            content: vec![acp::ToolCallContent::Diff {
5569                diff: acp::Diff {
5570                    path: "/project/test1.txt".into(),
5571                    old_text: Some("old content 1".into()),
5572                    new_text: "new content 1".into(),
5573                },
5574            }],
5575            locations: vec![],
5576            raw_input: None,
5577            raw_output: None,
5578        })]);
5579
5580        thread
5581            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
5582            .await
5583            .unwrap();
5584        cx.run_until_parked();
5585
5586        thread.read_with(cx, |thread, _| {
5587            assert_eq!(thread.entries().len(), 2);
5588        });
5589
5590        thread_view.read_with(cx, |view, cx| {
5591            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5592                assert!(
5593                    entry_view_state
5594                        .entry(0)
5595                        .unwrap()
5596                        .message_editor()
5597                        .is_some()
5598                );
5599                assert!(entry_view_state.entry(1).unwrap().has_content());
5600            });
5601        });
5602
5603        // Second user message
5604        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5605            id: acp::ToolCallId("tool2".into()),
5606            title: "Edit file 2".into(),
5607            kind: acp::ToolKind::Edit,
5608            status: acp::ToolCallStatus::Completed,
5609            content: vec![acp::ToolCallContent::Diff {
5610                diff: acp::Diff {
5611                    path: "/project/test2.txt".into(),
5612                    old_text: Some("old content 2".into()),
5613                    new_text: "new content 2".into(),
5614                },
5615            }],
5616            locations: vec![],
5617            raw_input: None,
5618            raw_output: None,
5619        })]);
5620
5621        thread
5622            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5623            .await
5624            .unwrap();
5625        cx.run_until_parked();
5626
5627        let second_user_message_id = thread.read_with(cx, |thread, _| {
5628            assert_eq!(thread.entries().len(), 4);
5629            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5630                panic!();
5631            };
5632            user_message.id.clone().unwrap()
5633        });
5634
5635        thread_view.read_with(cx, |view, cx| {
5636            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5637                assert!(
5638                    entry_view_state
5639                        .entry(0)
5640                        .unwrap()
5641                        .message_editor()
5642                        .is_some()
5643                );
5644                assert!(entry_view_state.entry(1).unwrap().has_content());
5645                assert!(
5646                    entry_view_state
5647                        .entry(2)
5648                        .unwrap()
5649                        .message_editor()
5650                        .is_some()
5651                );
5652                assert!(entry_view_state.entry(3).unwrap().has_content());
5653            });
5654        });
5655
5656        // Rewind to first message
5657        thread
5658            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
5659            .await
5660            .unwrap();
5661
5662        cx.run_until_parked();
5663
5664        thread.read_with(cx, |thread, _| {
5665            assert_eq!(thread.entries().len(), 2);
5666        });
5667
5668        thread_view.read_with(cx, |view, cx| {
5669            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5670                assert!(
5671                    entry_view_state
5672                        .entry(0)
5673                        .unwrap()
5674                        .message_editor()
5675                        .is_some()
5676                );
5677                assert!(entry_view_state.entry(1).unwrap().has_content());
5678
5679                // Old views should be dropped
5680                assert!(entry_view_state.entry(2).is_none());
5681                assert!(entry_view_state.entry(3).is_none());
5682            });
5683        });
5684    }
5685
5686    #[gpui::test]
5687    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
5688        init_test(cx);
5689
5690        let connection = StubAgentConnection::new();
5691
5692        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5693            content: acp::ContentBlock::Text(acp::TextContent {
5694                text: "Response".into(),
5695                annotations: None,
5696            }),
5697        }]);
5698
5699        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5700        add_to_workspace(thread_view.clone(), cx);
5701
5702        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5703        message_editor.update_in(cx, |editor, window, cx| {
5704            editor.set_text("Original message to edit", window, cx);
5705        });
5706        thread_view.update_in(cx, |thread_view, window, cx| {
5707            thread_view.send(window, cx);
5708        });
5709
5710        cx.run_until_parked();
5711
5712        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5713            assert_eq!(view.editing_message, None);
5714
5715            view.entry_view_state
5716                .read(cx)
5717                .entry(0)
5718                .unwrap()
5719                .message_editor()
5720                .unwrap()
5721                .clone()
5722        });
5723
5724        // Focus
5725        cx.focus(&user_message_editor);
5726        thread_view.read_with(cx, |view, _cx| {
5727            assert_eq!(view.editing_message, Some(0));
5728        });
5729
5730        // Edit
5731        user_message_editor.update_in(cx, |editor, window, cx| {
5732            editor.set_text("Edited message content", window, cx);
5733        });
5734
5735        // Cancel
5736        user_message_editor.update_in(cx, |_editor, window, cx| {
5737            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
5738        });
5739
5740        thread_view.read_with(cx, |view, _cx| {
5741            assert_eq!(view.editing_message, None);
5742        });
5743
5744        user_message_editor.read_with(cx, |editor, cx| {
5745            assert_eq!(editor.text(cx), "Original message to edit");
5746        });
5747    }
5748
5749    #[gpui::test]
5750    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
5751        init_test(cx);
5752
5753        let connection = StubAgentConnection::new();
5754
5755        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5756        add_to_workspace(thread_view.clone(), cx);
5757
5758        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5759        let mut events = cx.events(&message_editor);
5760        message_editor.update_in(cx, |editor, window, cx| {
5761            editor.set_text("", window, cx);
5762        });
5763
5764        message_editor.update_in(cx, |_editor, window, cx| {
5765            window.dispatch_action(Box::new(Chat), cx);
5766        });
5767        cx.run_until_parked();
5768        // We shouldn't have received any messages
5769        assert!(matches!(
5770            events.try_next(),
5771            Err(futures::channel::mpsc::TryRecvError { .. })
5772        ));
5773    }
5774
5775    #[gpui::test]
5776    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
5777        init_test(cx);
5778
5779        let connection = StubAgentConnection::new();
5780
5781        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5782            content: acp::ContentBlock::Text(acp::TextContent {
5783                text: "Response".into(),
5784                annotations: None,
5785            }),
5786        }]);
5787
5788        let (thread_view, cx) =
5789            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5790        add_to_workspace(thread_view.clone(), cx);
5791
5792        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5793        message_editor.update_in(cx, |editor, window, cx| {
5794            editor.set_text("Original message to edit", window, cx);
5795        });
5796        thread_view.update_in(cx, |thread_view, window, cx| {
5797            thread_view.send(window, cx);
5798        });
5799
5800        cx.run_until_parked();
5801
5802        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5803            assert_eq!(view.editing_message, None);
5804            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
5805
5806            view.entry_view_state
5807                .read(cx)
5808                .entry(0)
5809                .unwrap()
5810                .message_editor()
5811                .unwrap()
5812                .clone()
5813        });
5814
5815        // Focus
5816        cx.focus(&user_message_editor);
5817
5818        // Edit
5819        user_message_editor.update_in(cx, |editor, window, cx| {
5820            editor.set_text("Edited message content", window, cx);
5821        });
5822
5823        // Send
5824        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5825            content: acp::ContentBlock::Text(acp::TextContent {
5826                text: "New Response".into(),
5827                annotations: None,
5828            }),
5829        }]);
5830
5831        user_message_editor.update_in(cx, |_editor, window, cx| {
5832            window.dispatch_action(Box::new(Chat), cx);
5833        });
5834
5835        cx.run_until_parked();
5836
5837        thread_view.read_with(cx, |view, cx| {
5838            assert_eq!(view.editing_message, None);
5839
5840            let entries = view.thread().unwrap().read(cx).entries();
5841            assert_eq!(entries.len(), 2);
5842            assert_eq!(
5843                entries[0].to_markdown(cx),
5844                "## User\n\nEdited message content\n\n"
5845            );
5846            assert_eq!(
5847                entries[1].to_markdown(cx),
5848                "## Assistant\n\nNew Response\n\n"
5849            );
5850
5851            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
5852                assert!(!state.entry(1).unwrap().has_content());
5853                state.entry(0).unwrap().message_editor().unwrap().clone()
5854            });
5855
5856            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
5857        })
5858    }
5859
5860    #[gpui::test]
5861    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
5862        init_test(cx);
5863
5864        let connection = StubAgentConnection::new();
5865
5866        let (thread_view, cx) =
5867            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5868        add_to_workspace(thread_view.clone(), cx);
5869
5870        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5871        message_editor.update_in(cx, |editor, window, cx| {
5872            editor.set_text("Original message to edit", window, cx);
5873        });
5874        thread_view.update_in(cx, |thread_view, window, cx| {
5875            thread_view.send(window, cx);
5876        });
5877
5878        cx.run_until_parked();
5879
5880        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
5881            let thread = view.thread().unwrap().read(cx);
5882            assert_eq!(thread.entries().len(), 1);
5883
5884            let editor = view
5885                .entry_view_state
5886                .read(cx)
5887                .entry(0)
5888                .unwrap()
5889                .message_editor()
5890                .unwrap()
5891                .clone();
5892
5893            (editor, thread.session_id().clone())
5894        });
5895
5896        // Focus
5897        cx.focus(&user_message_editor);
5898
5899        thread_view.read_with(cx, |view, _cx| {
5900            assert_eq!(view.editing_message, Some(0));
5901        });
5902
5903        // Edit
5904        user_message_editor.update_in(cx, |editor, window, cx| {
5905            editor.set_text("Edited message content", window, cx);
5906        });
5907
5908        thread_view.read_with(cx, |view, _cx| {
5909            assert_eq!(view.editing_message, Some(0));
5910        });
5911
5912        // Finish streaming response
5913        cx.update(|_, cx| {
5914            connection.send_update(
5915                session_id.clone(),
5916                acp::SessionUpdate::AgentMessageChunk {
5917                    content: acp::ContentBlock::Text(acp::TextContent {
5918                        text: "Response".into(),
5919                        annotations: None,
5920                    }),
5921                },
5922                cx,
5923            );
5924            connection.end_turn(session_id, acp::StopReason::EndTurn);
5925        });
5926
5927        thread_view.read_with(cx, |view, _cx| {
5928            assert_eq!(view.editing_message, Some(0));
5929        });
5930
5931        cx.run_until_parked();
5932
5933        // Should still be editing
5934        cx.update(|window, cx| {
5935            assert!(user_message_editor.focus_handle(cx).is_focused(window));
5936            assert_eq!(thread_view.read(cx).editing_message, Some(0));
5937            assert_eq!(
5938                user_message_editor.read(cx).text(cx),
5939                "Edited message content"
5940            );
5941        });
5942    }
5943
5944    #[gpui::test]
5945    async fn test_interrupt(cx: &mut TestAppContext) {
5946        init_test(cx);
5947
5948        let connection = StubAgentConnection::new();
5949
5950        let (thread_view, cx) =
5951            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5952        add_to_workspace(thread_view.clone(), cx);
5953
5954        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5955        message_editor.update_in(cx, |editor, window, cx| {
5956            editor.set_text("Message 1", window, cx);
5957        });
5958        thread_view.update_in(cx, |thread_view, window, cx| {
5959            thread_view.send(window, cx);
5960        });
5961
5962        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
5963            let thread = view.thread().unwrap();
5964
5965            (thread.clone(), thread.read(cx).session_id().clone())
5966        });
5967
5968        cx.run_until_parked();
5969
5970        cx.update(|_, cx| {
5971            connection.send_update(
5972                session_id.clone(),
5973                acp::SessionUpdate::AgentMessageChunk {
5974                    content: "Message 1 resp".into(),
5975                },
5976                cx,
5977            );
5978        });
5979
5980        cx.run_until_parked();
5981
5982        thread.read_with(cx, |thread, cx| {
5983            assert_eq!(
5984                thread.to_markdown(cx),
5985                indoc::indoc! {"
5986                    ## User
5987
5988                    Message 1
5989
5990                    ## Assistant
5991
5992                    Message 1 resp
5993
5994                "}
5995            )
5996        });
5997
5998        message_editor.update_in(cx, |editor, window, cx| {
5999            editor.set_text("Message 2", window, cx);
6000        });
6001        thread_view.update_in(cx, |thread_view, window, cx| {
6002            thread_view.send(window, cx);
6003        });
6004
6005        cx.update(|_, cx| {
6006            // Simulate a response sent after beginning to cancel
6007            connection.send_update(
6008                session_id.clone(),
6009                acp::SessionUpdate::AgentMessageChunk {
6010                    content: "onse".into(),
6011                },
6012                cx,
6013            );
6014        });
6015
6016        cx.run_until_parked();
6017
6018        // Last Message 1 response should appear before Message 2
6019        thread.read_with(cx, |thread, cx| {
6020            assert_eq!(
6021                thread.to_markdown(cx),
6022                indoc::indoc! {"
6023                    ## User
6024
6025                    Message 1
6026
6027                    ## Assistant
6028
6029                    Message 1 response
6030
6031                    ## User
6032
6033                    Message 2
6034
6035                "}
6036            )
6037        });
6038
6039        cx.update(|_, cx| {
6040            connection.send_update(
6041                session_id.clone(),
6042                acp::SessionUpdate::AgentMessageChunk {
6043                    content: "Message 2 response".into(),
6044                },
6045                cx,
6046            );
6047            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6048        });
6049
6050        cx.run_until_parked();
6051
6052        thread.read_with(cx, |thread, cx| {
6053            assert_eq!(
6054                thread.to_markdown(cx),
6055                indoc::indoc! {"
6056                    ## User
6057
6058                    Message 1
6059
6060                    ## Assistant
6061
6062                    Message 1 response
6063
6064                    ## User
6065
6066                    Message 2
6067
6068                    ## Assistant
6069
6070                    Message 2 response
6071
6072                "}
6073            )
6074        });
6075    }
6076}