thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::{ActionLog, ActionLogTelemetry};
   8use agent::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
   9use agent_client_protocol::{self as acp, PromptCapabilities};
  10use agent_servers::{AgentServer, AgentServerDelegate};
  11use agent_settings::{AgentProfileId, AgentSettings, CompletionMode};
  12use anyhow::{Result, anyhow};
  13use arrayvec::ArrayVec;
  14use audio::{Audio, Sound};
  15use buffer_diff::BufferDiff;
  16use client::zed_urls;
  17use cloud_llm_client::PlanV1;
  18use collections::{HashMap, HashSet};
  19use editor::scroll::Autoscroll;
  20use editor::{
  21    Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects, SizingBehavior,
  22};
  23use file_icons::FileIcons;
  24use fs::Fs;
  25use futures::FutureExt as _;
  26use gpui::{
  27    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  28    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  29    ListOffset, ListState, PlatformDisplay, SharedString, StyleRefinement, Subscription, Task,
  30    TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window, WindowHandle, div,
  31    ease_in_out, linear_color_stop, linear_gradient, list, point, pulsating_between,
  32};
  33use language::Buffer;
  34
  35use language_model::LanguageModelRegistry;
  36use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  37use project::{Project, ProjectEntryId};
  38use prompt_store::{PromptId, PromptStore};
  39use rope::Point;
  40use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  41use std::cell::RefCell;
  42use std::path::Path;
  43use std::sync::Arc;
  44use std::time::Instant;
  45use std::{collections::BTreeMap, rc::Rc, time::Duration};
  46use terminal_view::terminal_panel::TerminalPanel;
  47use text::Anchor;
  48use theme::{AgentFontSize, ThemeSettings};
  49use ui::{
  50    Callout, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  51    PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip, WithScrollbar, prelude::*,
  52};
  53use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  54use workspace::{CollaboratorId, NewTerminal, Workspace};
  55use zed_actions::agent::{Chat, ToggleModelSelector};
  56use zed_actions::assistant::OpenRulesLibrary;
  57
  58use super::entry_view_state::EntryViewState;
  59use crate::acp::AcpModelSelectorPopover;
  60use crate::acp::ModeSelector;
  61use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  62use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  63use crate::agent_diff::AgentDiff;
  64use crate::profile_selector::{ProfileProvider, ProfileSelector};
  65
  66use crate::ui::{
  67    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  68    UsageCallout,
  69};
  70use crate::{
  71    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
  72    CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, NewThread, OpenAgentDiff, OpenHistory,
  73    RejectAll, RejectOnce, ToggleBurnMode, ToggleProfileSelector,
  74};
  75
  76#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  77enum ThreadFeedback {
  78    Positive,
  79    Negative,
  80}
  81
  82#[derive(Debug)]
  83enum ThreadError {
  84    PaymentRequired,
  85    ModelRequestLimitReached(cloud_llm_client::Plan),
  86    ToolUseLimitReached,
  87    Refusal,
  88    AuthenticationRequired(SharedString),
  89    Other(SharedString),
  90}
  91
  92impl ThreadError {
  93    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  94        if error.is::<language_model::PaymentRequiredError>() {
  95            Self::PaymentRequired
  96        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  97            Self::ToolUseLimitReached
  98        } else if let Some(error) =
  99            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
 100        {
 101            Self::ModelRequestLimitReached(error.plan)
 102        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 103            && acp_error.code == acp::ErrorCode::AUTH_REQUIRED.code
 104        {
 105            Self::AuthenticationRequired(acp_error.message.clone().into())
 106        } else {
 107            let string = format!("{:#}", error);
 108            // TODO: we should have Gemini return better errors here.
 109            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 110                && string.contains("Could not load the default credentials")
 111                || string.contains("API key not valid")
 112                || string.contains("Request had invalid authentication credentials")
 113            {
 114                Self::AuthenticationRequired(string.into())
 115            } else {
 116                Self::Other(string.into())
 117            }
 118        }
 119    }
 120}
 121
 122impl ProfileProvider for Entity<agent::Thread> {
 123    fn profile_id(&self, cx: &App) -> AgentProfileId {
 124        self.read(cx).profile().clone()
 125    }
 126
 127    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 128        self.update(cx, |thread, cx| {
 129            // Apply the profile and let the thread swap to its default model.
 130            thread.set_profile(profile_id, cx);
 131        });
 132    }
 133
 134    fn profiles_supported(&self, cx: &App) -> bool {
 135        self.read(cx)
 136            .model()
 137            .is_some_and(|model| model.supports_tools())
 138    }
 139}
 140
 141#[derive(Default)]
 142struct ThreadFeedbackState {
 143    feedback: Option<ThreadFeedback>,
 144    comments_editor: Option<Entity<Editor>>,
 145}
 146
 147impl ThreadFeedbackState {
 148    pub fn submit(
 149        &mut self,
 150        thread: Entity<AcpThread>,
 151        feedback: ThreadFeedback,
 152        window: &mut Window,
 153        cx: &mut App,
 154    ) {
 155        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 156            return;
 157        };
 158
 159        if self.feedback == Some(feedback) {
 160            return;
 161        }
 162
 163        self.feedback = Some(feedback);
 164        match feedback {
 165            ThreadFeedback::Positive => {
 166                self.comments_editor = None;
 167            }
 168            ThreadFeedback::Negative => {
 169                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 170            }
 171        }
 172        let session_id = thread.read(cx).session_id().clone();
 173        let agent = thread.read(cx).connection().telemetry_id();
 174        let task = telemetry.thread_data(&session_id, cx);
 175        let rating = match feedback {
 176            ThreadFeedback::Positive => "positive",
 177            ThreadFeedback::Negative => "negative",
 178        };
 179        cx.background_spawn(async move {
 180            let thread = task.await?;
 181            telemetry::event!(
 182                "Agent Thread Rated",
 183                agent = agent,
 184                session_id = session_id,
 185                rating = rating,
 186                thread = thread
 187            );
 188            anyhow::Ok(())
 189        })
 190        .detach_and_log_err(cx);
 191    }
 192
 193    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 194        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 195            return;
 196        };
 197
 198        let Some(comments) = self
 199            .comments_editor
 200            .as_ref()
 201            .map(|editor| editor.read(cx).text(cx))
 202            .filter(|text| !text.trim().is_empty())
 203        else {
 204            return;
 205        };
 206
 207        self.comments_editor.take();
 208
 209        let session_id = thread.read(cx).session_id().clone();
 210        let agent = thread.read(cx).connection().telemetry_id();
 211        let task = telemetry.thread_data(&session_id, cx);
 212        cx.background_spawn(async move {
 213            let thread = task.await?;
 214            telemetry::event!(
 215                "Agent Thread Feedback Comments",
 216                agent = agent,
 217                session_id = session_id,
 218                comments = comments,
 219                thread = thread
 220            );
 221            anyhow::Ok(())
 222        })
 223        .detach_and_log_err(cx);
 224    }
 225
 226    pub fn clear(&mut self) {
 227        *self = Self::default()
 228    }
 229
 230    pub fn dismiss_comments(&mut self) {
 231        self.comments_editor.take();
 232    }
 233
 234    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 235        let buffer = cx.new(|cx| {
 236            let empty_string = String::new();
 237            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 238        });
 239
 240        let editor = cx.new(|cx| {
 241            let mut editor = Editor::new(
 242                editor::EditorMode::AutoHeight {
 243                    min_lines: 1,
 244                    max_lines: Some(4),
 245                },
 246                buffer,
 247                None,
 248                window,
 249                cx,
 250            );
 251            editor.set_placeholder_text(
 252                "What went wrong? Share your feedback so we can improve.",
 253                window,
 254                cx,
 255            );
 256            editor
 257        });
 258
 259        editor.read(cx).focus_handle(cx).focus(window);
 260        editor
 261    }
 262}
 263
 264pub struct AcpThreadView {
 265    agent: Rc<dyn AgentServer>,
 266    workspace: WeakEntity<Workspace>,
 267    project: Entity<Project>,
 268    thread_state: ThreadState,
 269    login: Option<task::SpawnInTerminal>,
 270    history_store: Entity<HistoryStore>,
 271    hovered_recent_history_item: Option<usize>,
 272    entry_view_state: Entity<EntryViewState>,
 273    message_editor: Entity<MessageEditor>,
 274    focus_handle: FocusHandle,
 275    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 276    profile_selector: Option<Entity<ProfileSelector>>,
 277    notifications: Vec<WindowHandle<AgentNotification>>,
 278    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 279    thread_retry_status: Option<RetryStatus>,
 280    thread_error: Option<ThreadError>,
 281    thread_error_markdown: Option<Entity<Markdown>>,
 282    thread_feedback: ThreadFeedbackState,
 283    list_state: ListState,
 284    auth_task: Option<Task<()>>,
 285    expanded_tool_calls: HashSet<acp::ToolCallId>,
 286    expanded_thinking_blocks: HashSet<(usize, usize)>,
 287    edits_expanded: bool,
 288    plan_expanded: bool,
 289    editor_expanded: bool,
 290    should_be_following: bool,
 291    editing_message: Option<usize>,
 292    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 293    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 294    is_loading_contents: bool,
 295    new_server_version_available: Option<SharedString>,
 296    resume_thread_metadata: Option<DbThreadMetadata>,
 297    _cancel_task: Option<Task<()>>,
 298    _subscriptions: [Subscription; 5],
 299    show_codex_windows_warning: bool,
 300    in_flight_prompt: Option<Vec<acp::ContentBlock>>,
 301}
 302
 303enum ThreadState {
 304    Loading(Entity<LoadingView>),
 305    Ready {
 306        thread: Entity<AcpThread>,
 307        title_editor: Option<Entity<Editor>>,
 308        mode_selector: Option<Entity<ModeSelector>>,
 309        _subscriptions: Vec<Subscription>,
 310    },
 311    LoadError(LoadError),
 312    Unauthenticated {
 313        connection: Rc<dyn AgentConnection>,
 314        description: Option<Entity<Markdown>>,
 315        configuration_view: Option<AnyView>,
 316        pending_auth_method: Option<acp::AuthMethodId>,
 317        _subscription: Option<Subscription>,
 318    },
 319}
 320
 321struct LoadingView {
 322    title: SharedString,
 323    _load_task: Task<()>,
 324    _update_title_task: Task<anyhow::Result<()>>,
 325}
 326
 327impl AcpThreadView {
 328    pub fn new(
 329        agent: Rc<dyn AgentServer>,
 330        resume_thread: Option<DbThreadMetadata>,
 331        summarize_thread: Option<DbThreadMetadata>,
 332        workspace: WeakEntity<Workspace>,
 333        project: Entity<Project>,
 334        history_store: Entity<HistoryStore>,
 335        prompt_store: Option<Entity<PromptStore>>,
 336        window: &mut Window,
 337        cx: &mut Context<Self>,
 338    ) -> Self {
 339        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 340        let available_commands = Rc::new(RefCell::new(vec![]));
 341
 342        let placeholder = placeholder_text(agent.name().as_ref(), false);
 343
 344        let message_editor = cx.new(|cx| {
 345            let mut editor = MessageEditor::new(
 346                workspace.clone(),
 347                project.clone(),
 348                history_store.clone(),
 349                prompt_store.clone(),
 350                prompt_capabilities.clone(),
 351                available_commands.clone(),
 352                agent.name(),
 353                &placeholder,
 354                editor::EditorMode::AutoHeight {
 355                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 356                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 357                },
 358                window,
 359                cx,
 360            );
 361            if let Some(entry) = summarize_thread {
 362                editor.insert_thread_summary(entry, window, cx);
 363            }
 364            editor
 365        });
 366
 367        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 368
 369        let entry_view_state = cx.new(|_| {
 370            EntryViewState::new(
 371                workspace.clone(),
 372                project.clone(),
 373                history_store.clone(),
 374                prompt_store.clone(),
 375                prompt_capabilities.clone(),
 376                available_commands.clone(),
 377                agent.name(),
 378            )
 379        });
 380
 381        let agent_server_store = project.read(cx).agent_server_store().clone();
 382        let subscriptions = [
 383            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 384            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 385            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 386            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 387            cx.subscribe_in(
 388                &agent_server_store,
 389                window,
 390                Self::handle_agent_servers_updated,
 391            ),
 392        ];
 393
 394        let show_codex_windows_warning = crate::ExternalAgent::parse_built_in(agent.as_ref())
 395            == Some(crate::ExternalAgent::Codex);
 396
 397        Self {
 398            agent: agent.clone(),
 399            workspace: workspace.clone(),
 400            project: project.clone(),
 401            entry_view_state,
 402            thread_state: Self::initial_state(
 403                agent.clone(),
 404                resume_thread.clone(),
 405                workspace.clone(),
 406                project.clone(),
 407                window,
 408                cx,
 409            ),
 410            login: None,
 411            message_editor,
 412            model_selector: None,
 413            profile_selector: None,
 414
 415            notifications: Vec::new(),
 416            notification_subscriptions: HashMap::default(),
 417            list_state: list_state,
 418            thread_retry_status: None,
 419            thread_error: None,
 420            thread_error_markdown: None,
 421            thread_feedback: Default::default(),
 422            auth_task: None,
 423            expanded_tool_calls: HashSet::default(),
 424            expanded_thinking_blocks: HashSet::default(),
 425            editing_message: None,
 426            edits_expanded: false,
 427            plan_expanded: false,
 428            prompt_capabilities,
 429            available_commands,
 430            editor_expanded: false,
 431            should_be_following: false,
 432            history_store,
 433            hovered_recent_history_item: None,
 434            is_loading_contents: false,
 435            _subscriptions: subscriptions,
 436            _cancel_task: None,
 437            focus_handle: cx.focus_handle(),
 438            new_server_version_available: None,
 439            resume_thread_metadata: resume_thread,
 440            show_codex_windows_warning,
 441            in_flight_prompt: None,
 442        }
 443    }
 444
 445    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 446        self.thread_state = Self::initial_state(
 447            self.agent.clone(),
 448            self.resume_thread_metadata.clone(),
 449            self.workspace.clone(),
 450            self.project.clone(),
 451            window,
 452            cx,
 453        );
 454        self.available_commands.replace(vec![]);
 455        self.new_server_version_available.take();
 456        cx.notify();
 457    }
 458
 459    fn initial_state(
 460        agent: Rc<dyn AgentServer>,
 461        resume_thread: Option<DbThreadMetadata>,
 462        workspace: WeakEntity<Workspace>,
 463        project: Entity<Project>,
 464        window: &mut Window,
 465        cx: &mut Context<Self>,
 466    ) -> ThreadState {
 467        if project.read(cx).is_via_collab()
 468            && agent.clone().downcast::<NativeAgentServer>().is_none()
 469        {
 470            return ThreadState::LoadError(LoadError::Other(
 471                "External agents are not yet supported in shared projects.".into(),
 472            ));
 473        }
 474        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 475        // Pick the first non-single-file worktree for the root directory if there are any,
 476        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 477        worktrees.sort_by(|l, r| {
 478            l.read(cx)
 479                .is_single_file()
 480                .cmp(&r.read(cx).is_single_file())
 481        });
 482        let root_dir = worktrees
 483            .into_iter()
 484            .filter_map(|worktree| {
 485                if worktree.read(cx).is_single_file() {
 486                    Some(worktree.read(cx).abs_path().parent()?.into())
 487                } else {
 488                    Some(worktree.read(cx).abs_path())
 489                }
 490            })
 491            .next();
 492        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 493        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 494        let delegate = AgentServerDelegate::new(
 495            project.read(cx).agent_server_store().clone(),
 496            project.clone(),
 497            Some(status_tx),
 498            Some(new_version_available_tx),
 499        );
 500
 501        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 502        let load_task = cx.spawn_in(window, async move |this, cx| {
 503            let connection = match connect_task.await {
 504                Ok((connection, login)) => {
 505                    this.update(cx, |this, _| this.login = login).ok();
 506                    connection
 507                }
 508                Err(err) => {
 509                    this.update_in(cx, |this, window, cx| {
 510                        if err.downcast_ref::<LoadError>().is_some() {
 511                            this.handle_load_error(err, window, cx);
 512                        } else {
 513                            this.handle_thread_error(err, cx);
 514                        }
 515                        cx.notify();
 516                    })
 517                    .log_err();
 518                    return;
 519                }
 520            };
 521
 522            let result = if let Some(native_agent) = connection
 523                .clone()
 524                .downcast::<agent::NativeAgentConnection>()
 525                && let Some(resume) = resume_thread.clone()
 526            {
 527                cx.update(|_, cx| {
 528                    native_agent
 529                        .0
 530                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 531                })
 532                .log_err()
 533            } else {
 534                let root_dir = root_dir.unwrap_or(paths::home_dir().as_path().into());
 535                cx.update(|_, cx| {
 536                    connection
 537                        .clone()
 538                        .new_thread(project.clone(), &root_dir, cx)
 539                })
 540                .log_err()
 541            };
 542
 543            let Some(result) = result else {
 544                return;
 545            };
 546
 547            let result = match result.await {
 548                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 549                    Ok(err) => {
 550                        cx.update(|window, cx| {
 551                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 552                        })
 553                        .log_err();
 554                        return;
 555                    }
 556                    Err(err) => Err(err),
 557                },
 558                Ok(thread) => Ok(thread),
 559            };
 560
 561            this.update_in(cx, |this, window, cx| {
 562                match result {
 563                    Ok(thread) => {
 564                        let action_log = thread.read(cx).action_log().clone();
 565
 566                        this.prompt_capabilities
 567                            .replace(thread.read(cx).prompt_capabilities());
 568
 569                        let count = thread.read(cx).entries().len();
 570                        this.entry_view_state.update(cx, |view_state, cx| {
 571                            for ix in 0..count {
 572                                view_state.sync_entry(ix, &thread, window, cx);
 573                            }
 574                            this.list_state.splice_focusable(
 575                                0..0,
 576                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 577                            );
 578                        });
 579
 580                        if let Some(resume) = resume_thread {
 581                            this.history_store.update(cx, |history, cx| {
 582                                history.push_recently_opened_entry(
 583                                    HistoryEntryId::AcpThread(resume.id),
 584                                    cx,
 585                                );
 586                            });
 587                        }
 588
 589                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 590
 591                        this.model_selector = thread
 592                            .read(cx)
 593                            .connection()
 594                            .model_selector(thread.read(cx).session_id())
 595                            .map(|selector| {
 596                                let agent_server = this.agent.clone();
 597                                let fs = this.project.read(cx).fs().clone();
 598                                cx.new(|cx| {
 599                                    AcpModelSelectorPopover::new(
 600                                        selector,
 601                                        agent_server,
 602                                        fs,
 603                                        PopoverMenuHandle::default(),
 604                                        this.focus_handle(cx),
 605                                        window,
 606                                        cx,
 607                                    )
 608                                })
 609                            });
 610
 611                        let mode_selector = thread
 612                            .read(cx)
 613                            .connection()
 614                            .session_modes(thread.read(cx).session_id(), cx)
 615                            .map(|session_modes| {
 616                                let fs = this.project.read(cx).fs().clone();
 617                                let focus_handle = this.focus_handle(cx);
 618                                cx.new(|_cx| {
 619                                    ModeSelector::new(
 620                                        session_modes,
 621                                        this.agent.clone(),
 622                                        fs,
 623                                        focus_handle,
 624                                    )
 625                                })
 626                            });
 627
 628                        let mut subscriptions = vec![
 629                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 630                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 631                        ];
 632
 633                        let title_editor =
 634                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 635                                let editor = cx.new(|cx| {
 636                                    let mut editor = Editor::single_line(window, cx);
 637                                    editor.set_text(thread.read(cx).title(), window, cx);
 638                                    editor
 639                                });
 640                                subscriptions.push(cx.subscribe_in(
 641                                    &editor,
 642                                    window,
 643                                    Self::handle_title_editor_event,
 644                                ));
 645                                Some(editor)
 646                            } else {
 647                                None
 648                            };
 649
 650                        this.thread_state = ThreadState::Ready {
 651                            thread,
 652                            title_editor,
 653                            mode_selector,
 654                            _subscriptions: subscriptions,
 655                        };
 656
 657                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 658                            cx.new(|cx| {
 659                                ProfileSelector::new(
 660                                    <dyn Fs>::global(cx),
 661                                    Arc::new(thread.clone()),
 662                                    this.focus_handle(cx),
 663                                    cx,
 664                                )
 665                            })
 666                        });
 667
 668                        this.message_editor.focus_handle(cx).focus(window);
 669
 670                        cx.notify();
 671                    }
 672                    Err(err) => {
 673                        this.handle_load_error(err, window, cx);
 674                    }
 675                };
 676            })
 677            .log_err();
 678        });
 679
 680        cx.spawn(async move |this, cx| {
 681            while let Ok(new_version) = new_version_available_rx.recv().await {
 682                if let Some(new_version) = new_version {
 683                    this.update(cx, |this, cx| {
 684                        this.new_server_version_available = Some(new_version.into());
 685                        cx.notify();
 686                    })
 687                    .log_err();
 688                }
 689            }
 690        })
 691        .detach();
 692
 693        let loading_view = cx.new(|cx| {
 694            let update_title_task = cx.spawn(async move |this, cx| {
 695                loop {
 696                    let status = status_rx.recv().await?;
 697                    this.update(cx, |this: &mut LoadingView, cx| {
 698                        this.title = status;
 699                        cx.notify();
 700                    })?;
 701                }
 702            });
 703
 704            LoadingView {
 705                title: "Loading…".into(),
 706                _load_task: load_task,
 707                _update_title_task: update_title_task,
 708            }
 709        });
 710
 711        ThreadState::Loading(loading_view)
 712    }
 713
 714    fn handle_auth_required(
 715        this: WeakEntity<Self>,
 716        err: AuthRequired,
 717        agent: Rc<dyn AgentServer>,
 718        connection: Rc<dyn AgentConnection>,
 719        window: &mut Window,
 720        cx: &mut App,
 721    ) {
 722        let agent_name = agent.name();
 723        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 724            let registry = LanguageModelRegistry::global(cx);
 725
 726            let sub = window.subscribe(&registry, cx, {
 727                let provider_id = provider_id.clone();
 728                let this = this.clone();
 729                move |_, ev, window, cx| {
 730                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 731                        && &provider_id == updated_provider_id
 732                        && LanguageModelRegistry::global(cx)
 733                            .read(cx)
 734                            .provider(&provider_id)
 735                            .map_or(false, |provider| provider.is_authenticated(cx))
 736                    {
 737                        this.update(cx, |this, cx| {
 738                            this.reset(window, cx);
 739                        })
 740                        .ok();
 741                    }
 742                }
 743            });
 744
 745            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 746                provider.configuration_view(
 747                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 748                    window,
 749                    cx,
 750                )
 751            });
 752
 753            (view, Some(sub))
 754        } else {
 755            (None, None)
 756        };
 757
 758        this.update(cx, |this, cx| {
 759            this.thread_state = ThreadState::Unauthenticated {
 760                pending_auth_method: None,
 761                connection,
 762                configuration_view,
 763                description: err
 764                    .description
 765                    .clone()
 766                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 767                _subscription: subscription,
 768            };
 769            if this.message_editor.focus_handle(cx).is_focused(window) {
 770                this.focus_handle.focus(window)
 771            }
 772            cx.notify();
 773        })
 774        .ok();
 775    }
 776
 777    fn handle_load_error(
 778        &mut self,
 779        err: anyhow::Error,
 780        window: &mut Window,
 781        cx: &mut Context<Self>,
 782    ) {
 783        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 784            self.thread_state = ThreadState::LoadError(load_err.clone());
 785        } else {
 786            self.thread_state =
 787                ThreadState::LoadError(LoadError::Other(format!("{:#}", err).into()))
 788        }
 789        if self.message_editor.focus_handle(cx).is_focused(window) {
 790            self.focus_handle.focus(window)
 791        }
 792        cx.notify();
 793    }
 794
 795    fn handle_agent_servers_updated(
 796        &mut self,
 797        _agent_server_store: &Entity<project::AgentServerStore>,
 798        _event: &project::AgentServersUpdated,
 799        window: &mut Window,
 800        cx: &mut Context<Self>,
 801    ) {
 802        // If we're in a LoadError state OR have a thread_error set (which can happen
 803        // when agent.connect() fails during loading), retry loading the thread.
 804        // This handles the case where a thread is restored before authentication completes.
 805        let should_retry =
 806            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 807
 808        if should_retry {
 809            self.thread_error = None;
 810            self.thread_error_markdown = None;
 811            self.reset(window, cx);
 812        }
 813    }
 814
 815    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 816        &self.workspace
 817    }
 818
 819    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 820        match &self.thread_state {
 821            ThreadState::Ready { thread, .. } => Some(thread),
 822            ThreadState::Unauthenticated { .. }
 823            | ThreadState::Loading { .. }
 824            | ThreadState::LoadError { .. } => None,
 825        }
 826    }
 827
 828    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 829        match &self.thread_state {
 830            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 831            ThreadState::Unauthenticated { .. }
 832            | ThreadState::Loading { .. }
 833            | ThreadState::LoadError { .. } => None,
 834        }
 835    }
 836
 837    pub fn title(&self, cx: &App) -> SharedString {
 838        match &self.thread_state {
 839            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 840            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 841            ThreadState::LoadError(error) => match error {
 842                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 843                LoadError::FailedToInstall(_) => {
 844                    format!("Failed to Install {}", self.agent.name()).into()
 845                }
 846                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 847                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 848            },
 849        }
 850    }
 851
 852    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 853        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 854            title_editor.clone()
 855        } else {
 856            None
 857        }
 858    }
 859
 860    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 861        self.thread_error.take();
 862        self.thread_retry_status.take();
 863
 864        if let Some(thread) = self.thread() {
 865            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 866        }
 867    }
 868
 869    pub fn expand_message_editor(
 870        &mut self,
 871        _: &ExpandMessageEditor,
 872        _window: &mut Window,
 873        cx: &mut Context<Self>,
 874    ) {
 875        self.set_editor_is_expanded(!self.editor_expanded, cx);
 876        cx.stop_propagation();
 877        cx.notify();
 878    }
 879
 880    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 881        self.editor_expanded = is_expanded;
 882        self.message_editor.update(cx, |editor, cx| {
 883            if is_expanded {
 884                editor.set_mode(
 885                    EditorMode::Full {
 886                        scale_ui_elements_with_buffer_font_size: false,
 887                        show_active_line_background: false,
 888                        sizing_behavior: SizingBehavior::ExcludeOverscrollMargin,
 889                    },
 890                    cx,
 891                )
 892            } else {
 893                let agent_settings = AgentSettings::get_global(cx);
 894                editor.set_mode(
 895                    EditorMode::AutoHeight {
 896                        min_lines: agent_settings.message_editor_min_lines,
 897                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 898                    },
 899                    cx,
 900                )
 901            }
 902        });
 903        cx.notify();
 904    }
 905
 906    pub fn handle_title_editor_event(
 907        &mut self,
 908        title_editor: &Entity<Editor>,
 909        event: &EditorEvent,
 910        window: &mut Window,
 911        cx: &mut Context<Self>,
 912    ) {
 913        let Some(thread) = self.thread() else { return };
 914
 915        match event {
 916            EditorEvent::BufferEdited => {
 917                let new_title = title_editor.read(cx).text(cx);
 918                thread.update(cx, |thread, cx| {
 919                    thread
 920                        .set_title(new_title.into(), cx)
 921                        .detach_and_log_err(cx);
 922                })
 923            }
 924            EditorEvent::Blurred => {
 925                if title_editor.read(cx).text(cx).is_empty() {
 926                    title_editor.update(cx, |editor, cx| {
 927                        editor.set_text("New Thread", window, cx);
 928                    });
 929                }
 930            }
 931            _ => {}
 932        }
 933    }
 934
 935    pub fn handle_message_editor_event(
 936        &mut self,
 937        _: &Entity<MessageEditor>,
 938        event: &MessageEditorEvent,
 939        window: &mut Window,
 940        cx: &mut Context<Self>,
 941    ) {
 942        match event {
 943            MessageEditorEvent::Send => self.send(window, cx),
 944            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 945            MessageEditorEvent::Focus => {
 946                self.cancel_editing(&Default::default(), window, cx);
 947            }
 948            MessageEditorEvent::LostFocus => {}
 949        }
 950    }
 951
 952    pub fn handle_entry_view_event(
 953        &mut self,
 954        _: &Entity<EntryViewState>,
 955        event: &EntryViewEvent,
 956        window: &mut Window,
 957        cx: &mut Context<Self>,
 958    ) {
 959        match &event.view_event {
 960            ViewEvent::NewDiff(tool_call_id) => {
 961                if AgentSettings::get_global(cx).expand_edit_card {
 962                    self.expanded_tool_calls.insert(tool_call_id.clone());
 963                }
 964            }
 965            ViewEvent::NewTerminal(tool_call_id) => {
 966                if AgentSettings::get_global(cx).expand_terminal_card {
 967                    self.expanded_tool_calls.insert(tool_call_id.clone());
 968                }
 969            }
 970            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 971                self.expanded_tool_calls.remove(tool_call_id);
 972            }
 973            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 974                if let Some(thread) = self.thread()
 975                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 976                        thread.read(cx).entries().get(event.entry_index)
 977                    && user_message.id.is_some()
 978                {
 979                    self.editing_message = Some(event.entry_index);
 980                    cx.notify();
 981                }
 982            }
 983            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 984                if let Some(thread) = self.thread()
 985                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 986                        thread.read(cx).entries().get(event.entry_index)
 987                    && user_message.id.is_some()
 988                {
 989                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 990                        self.editing_message = None;
 991                        cx.notify();
 992                    }
 993                }
 994            }
 995            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 996                self.regenerate(event.entry_index, editor.clone(), window, cx);
 997            }
 998            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 999                self.cancel_editing(&Default::default(), window, cx);
1000            }
1001        }
1002    }
1003
1004    pub fn is_loading(&self) -> bool {
1005        matches!(self.thread_state, ThreadState::Loading { .. })
1006    }
1007
1008    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1009        self.thread_error.take();
1010        let Some(thread) = self.thread() else {
1011            return;
1012        };
1013        if !thread.read(cx).can_resume(cx) {
1014            return;
1015        }
1016
1017        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1018        cx.spawn(async move |this, cx| {
1019            let result = task.await;
1020
1021            this.update(cx, |this, cx| {
1022                if let Err(err) = result {
1023                    this.handle_thread_error(err, cx);
1024                }
1025            })
1026        })
1027        .detach();
1028    }
1029
1030    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1031        let Some(thread) = self.thread() else { return };
1032
1033        if self.is_loading_contents {
1034            return;
1035        }
1036
1037        self.history_store.update(cx, |history, cx| {
1038            history.push_recently_opened_entry(
1039                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1040                cx,
1041            );
1042        });
1043
1044        if thread.read(cx).status() != ThreadStatus::Idle {
1045            self.stop_current_and_send_new_message(window, cx);
1046            return;
1047        }
1048
1049        let text = self.message_editor.read(cx).text(cx);
1050        let text = text.trim();
1051        if text == "/login" || text == "/logout" {
1052            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1053                return;
1054            };
1055
1056            let connection = thread.read(cx).connection().clone();
1057            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1058            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1059            let logout_supported = text == "/logout"
1060                && self
1061                    .available_commands
1062                    .borrow()
1063                    .iter()
1064                    .any(|command| command.name == "logout");
1065            if can_login && !logout_supported {
1066                self.message_editor
1067                    .update(cx, |editor, cx| editor.clear(window, cx));
1068
1069                let this = cx.weak_entity();
1070                let agent = self.agent.clone();
1071                window.defer(cx, |window, cx| {
1072                    Self::handle_auth_required(
1073                        this,
1074                        AuthRequired {
1075                            description: None,
1076                            provider_id: None,
1077                        },
1078                        agent,
1079                        connection,
1080                        window,
1081                        cx,
1082                    );
1083                });
1084                cx.notify();
1085                return;
1086            }
1087        }
1088
1089        self.send_impl(self.message_editor.clone(), window, cx)
1090    }
1091
1092    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1093        let Some(thread) = self.thread().cloned() else {
1094            return;
1095        };
1096
1097        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1098
1099        cx.spawn_in(window, async move |this, cx| {
1100            cancelled.await;
1101
1102            this.update_in(cx, |this, window, cx| {
1103                this.send_impl(this.message_editor.clone(), window, cx);
1104            })
1105            .ok();
1106        })
1107        .detach();
1108    }
1109
1110    fn send_impl(
1111        &mut self,
1112        message_editor: Entity<MessageEditor>,
1113        window: &mut Window,
1114        cx: &mut Context<Self>,
1115    ) {
1116        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1117            // Include full contents when using minimal profile
1118            let thread = thread.read(cx);
1119            AgentSettings::get_global(cx)
1120                .profiles
1121                .get(thread.profile())
1122                .is_some_and(|profile| profile.tools.is_empty())
1123        });
1124
1125        let contents = message_editor.update(cx, |message_editor, cx| {
1126            message_editor.contents(full_mention_content, cx)
1127        });
1128
1129        self.thread_error.take();
1130        self.editing_message.take();
1131        self.thread_feedback.clear();
1132
1133        let Some(thread) = self.thread() else {
1134            return;
1135        };
1136        let agent_telemetry_id = self.agent.telemetry_id();
1137        let session_id = thread.read(cx).session_id().clone();
1138        let thread = thread.downgrade();
1139        if self.should_be_following {
1140            self.workspace
1141                .update(cx, |workspace, cx| {
1142                    workspace.follow(CollaboratorId::Agent, window, cx);
1143                })
1144                .ok();
1145        }
1146
1147        self.is_loading_contents = true;
1148        let model_id = self.current_model_id(cx);
1149        let mode_id = self.current_mode_id(cx);
1150        let guard = cx.new(|_| ());
1151        cx.observe_release(&guard, |this, _guard, cx| {
1152            this.is_loading_contents = false;
1153            cx.notify();
1154        })
1155        .detach();
1156
1157        let task = cx.spawn_in(window, async move |this, cx| {
1158            let (contents, tracked_buffers) = contents.await?;
1159
1160            if contents.is_empty() {
1161                return Ok(());
1162            }
1163
1164            this.update_in(cx, |this, window, cx| {
1165                this.in_flight_prompt = Some(contents.clone());
1166                this.set_editor_is_expanded(false, cx);
1167                this.scroll_to_bottom(cx);
1168                this.message_editor.update(cx, |message_editor, cx| {
1169                    message_editor.clear(window, cx);
1170                });
1171            })?;
1172            let turn_start_time = Instant::now();
1173            let send = thread.update(cx, |thread, cx| {
1174                thread.action_log().update(cx, |action_log, cx| {
1175                    for buffer in tracked_buffers {
1176                        action_log.buffer_read(buffer, cx)
1177                    }
1178                });
1179                drop(guard);
1180
1181                telemetry::event!(
1182                    "Agent Message Sent",
1183                    agent = agent_telemetry_id,
1184                    session = session_id,
1185                    model = model_id,
1186                    mode = mode_id
1187                );
1188
1189                thread.send(contents, cx)
1190            })?;
1191            let res = send.await;
1192            let turn_time_ms = turn_start_time.elapsed().as_millis();
1193            let status = if res.is_ok() {
1194                this.update(cx, |this, _| this.in_flight_prompt.take()).ok();
1195                "success"
1196            } else {
1197                "failure"
1198            };
1199            telemetry::event!(
1200                "Agent Turn Completed",
1201                agent = agent_telemetry_id,
1202                session = session_id,
1203                model = model_id,
1204                mode = mode_id,
1205                status,
1206                turn_time_ms,
1207            );
1208            res
1209        });
1210
1211        cx.spawn(async move |this, cx| {
1212            if let Err(err) = task.await {
1213                this.update(cx, |this, cx| {
1214                    this.handle_thread_error(err, cx);
1215                })
1216                .ok();
1217            } else {
1218                this.update(cx, |this, cx| {
1219                    this.should_be_following = this
1220                        .workspace
1221                        .update(cx, |workspace, _| {
1222                            workspace.is_being_followed(CollaboratorId::Agent)
1223                        })
1224                        .unwrap_or_default();
1225                })
1226                .ok();
1227            }
1228        })
1229        .detach();
1230    }
1231
1232    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1233        let Some(thread) = self.thread().cloned() else {
1234            return;
1235        };
1236
1237        if let Some(index) = self.editing_message.take()
1238            && let Some(editor) = self
1239                .entry_view_state
1240                .read(cx)
1241                .entry(index)
1242                .and_then(|e| e.message_editor())
1243                .cloned()
1244        {
1245            editor.update(cx, |editor, cx| {
1246                if let Some(user_message) = thread
1247                    .read(cx)
1248                    .entries()
1249                    .get(index)
1250                    .and_then(|e| e.user_message())
1251                {
1252                    editor.set_message(user_message.chunks.clone(), window, cx);
1253                }
1254            })
1255        };
1256        self.focus_handle(cx).focus(window);
1257        cx.notify();
1258    }
1259
1260    fn regenerate(
1261        &mut self,
1262        entry_ix: usize,
1263        message_editor: Entity<MessageEditor>,
1264        window: &mut Window,
1265        cx: &mut Context<Self>,
1266    ) {
1267        let Some(thread) = self.thread().cloned() else {
1268            return;
1269        };
1270        if self.is_loading_contents {
1271            return;
1272        }
1273
1274        let Some(user_message_id) = thread.update(cx, |thread, _| {
1275            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1276        }) else {
1277            return;
1278        };
1279
1280        cx.spawn_in(window, async move |this, cx| {
1281            // Check if there are any edits from prompts before the one being regenerated.
1282            //
1283            // If there are, we keep/accept them since we're not regenerating the prompt that created them.
1284            //
1285            // If editing the prompt that generated the edits, they are auto-rejected
1286            // through the `rewind` function in the `acp_thread`.
1287            let has_earlier_edits = thread.read_with(cx, |thread, _| {
1288                thread
1289                    .entries()
1290                    .iter()
1291                    .take(entry_ix)
1292                    .any(|entry| entry.diffs().next().is_some())
1293            })?;
1294
1295            if has_earlier_edits {
1296                thread.update(cx, |thread, cx| {
1297                    thread.action_log().update(cx, |action_log, cx| {
1298                        action_log.keep_all_edits(None, cx);
1299                    });
1300                })?;
1301            }
1302
1303            thread
1304                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1305                .await?;
1306            this.update_in(cx, |this, window, cx| {
1307                this.send_impl(message_editor, window, cx);
1308                this.focus_handle(cx).focus(window);
1309            })?;
1310            anyhow::Ok(())
1311        })
1312        .detach();
1313    }
1314
1315    fn open_edited_buffer(
1316        &mut self,
1317        buffer: &Entity<Buffer>,
1318        window: &mut Window,
1319        cx: &mut Context<Self>,
1320    ) {
1321        let Some(thread) = self.thread() else {
1322            return;
1323        };
1324
1325        let Some(diff) =
1326            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1327        else {
1328            return;
1329        };
1330
1331        diff.update(cx, |diff, cx| {
1332            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1333        })
1334    }
1335
1336    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1337        let Some(thread) = self.as_native_thread(cx) else {
1338            return;
1339        };
1340        let project_context = thread.read(cx).project_context().read(cx);
1341
1342        let project_entry_ids = project_context
1343            .worktrees
1344            .iter()
1345            .flat_map(|worktree| worktree.rules_file.as_ref())
1346            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1347            .collect::<Vec<_>>();
1348
1349        self.workspace
1350            .update(cx, move |workspace, cx| {
1351                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1352                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1353                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1354                let project = workspace.project().read(cx);
1355                let project_paths = project_entry_ids
1356                    .into_iter()
1357                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1358                    .collect::<Vec<_>>();
1359                for project_path in project_paths {
1360                    workspace
1361                        .open_path(project_path, None, true, window, cx)
1362                        .detach_and_log_err(cx);
1363                }
1364            })
1365            .ok();
1366    }
1367
1368    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1369        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1370        cx.notify();
1371    }
1372
1373    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1374        self.thread_error = None;
1375        self.thread_error_markdown = None;
1376        cx.notify();
1377    }
1378
1379    fn handle_thread_event(
1380        &mut self,
1381        thread: &Entity<AcpThread>,
1382        event: &AcpThreadEvent,
1383        window: &mut Window,
1384        cx: &mut Context<Self>,
1385    ) {
1386        match event {
1387            AcpThreadEvent::NewEntry => {
1388                let len = thread.read(cx).entries().len();
1389                let index = len - 1;
1390                self.entry_view_state.update(cx, |view_state, cx| {
1391                    view_state.sync_entry(index, thread, window, cx);
1392                    self.list_state.splice_focusable(
1393                        index..index,
1394                        [view_state
1395                            .entry(index)
1396                            .and_then(|entry| entry.focus_handle(cx))],
1397                    );
1398                });
1399            }
1400            AcpThreadEvent::EntryUpdated(index) => {
1401                self.entry_view_state.update(cx, |view_state, cx| {
1402                    view_state.sync_entry(*index, thread, window, cx)
1403                });
1404            }
1405            AcpThreadEvent::EntriesRemoved(range) => {
1406                self.entry_view_state
1407                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1408                self.list_state.splice(range.clone(), 0);
1409            }
1410            AcpThreadEvent::ToolAuthorizationRequired => {
1411                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1412            }
1413            AcpThreadEvent::Retry(retry) => {
1414                self.thread_retry_status = Some(retry.clone());
1415            }
1416            AcpThreadEvent::Stopped => {
1417                self.thread_retry_status.take();
1418                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1419                self.notify_with_sound(
1420                    if used_tools {
1421                        "Finished running tools"
1422                    } else {
1423                        "New message"
1424                    },
1425                    IconName::ZedAssistant,
1426                    window,
1427                    cx,
1428                );
1429            }
1430            AcpThreadEvent::Refusal => {
1431                self.thread_retry_status.take();
1432                self.thread_error = Some(ThreadError::Refusal);
1433                let model_or_agent_name = self.current_model_name(cx);
1434                let notification_message =
1435                    format!("{} refused to respond to this request", model_or_agent_name);
1436                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1437            }
1438            AcpThreadEvent::Error => {
1439                self.thread_retry_status.take();
1440                self.notify_with_sound(
1441                    "Agent stopped due to an error",
1442                    IconName::Warning,
1443                    window,
1444                    cx,
1445                );
1446            }
1447            AcpThreadEvent::LoadError(error) => {
1448                self.thread_retry_status.take();
1449                self.thread_state = ThreadState::LoadError(error.clone());
1450                if self.message_editor.focus_handle(cx).is_focused(window) {
1451                    self.focus_handle.focus(window)
1452                }
1453            }
1454            AcpThreadEvent::TitleUpdated => {
1455                let title = thread.read(cx).title();
1456                if let Some(title_editor) = self.title_editor() {
1457                    title_editor.update(cx, |editor, cx| {
1458                        if editor.text(cx) != title {
1459                            editor.set_text(title, window, cx);
1460                        }
1461                    });
1462                }
1463            }
1464            AcpThreadEvent::PromptCapabilitiesUpdated => {
1465                self.prompt_capabilities
1466                    .replace(thread.read(cx).prompt_capabilities());
1467            }
1468            AcpThreadEvent::TokenUsageUpdated => {}
1469            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1470                let mut available_commands = available_commands.clone();
1471
1472                if thread
1473                    .read(cx)
1474                    .connection()
1475                    .auth_methods()
1476                    .iter()
1477                    .any(|method| method.id.0.as_ref() == "claude-login")
1478                {
1479                    available_commands.push(acp::AvailableCommand::new("login", "Authenticate"));
1480                    available_commands.push(acp::AvailableCommand::new("logout", "Authenticate"));
1481                }
1482
1483                let has_commands = !available_commands.is_empty();
1484                self.available_commands.replace(available_commands);
1485
1486                let new_placeholder = placeholder_text(self.agent.name().as_ref(), has_commands);
1487
1488                self.message_editor.update(cx, |editor, cx| {
1489                    editor.set_placeholder_text(&new_placeholder, window, cx);
1490                });
1491            }
1492            AcpThreadEvent::ModeUpdated(_mode) => {
1493                // The connection keeps track of the mode
1494                cx.notify();
1495            }
1496        }
1497        cx.notify();
1498    }
1499
1500    fn authenticate(
1501        &mut self,
1502        method: acp::AuthMethodId,
1503        window: &mut Window,
1504        cx: &mut Context<Self>,
1505    ) {
1506        let ThreadState::Unauthenticated {
1507            connection,
1508            pending_auth_method,
1509            configuration_view,
1510            ..
1511        } = &mut self.thread_state
1512        else {
1513            return;
1514        };
1515
1516        // Check for the experimental "terminal-auth" _meta field
1517        let auth_method = connection.auth_methods().iter().find(|m| m.id == method);
1518
1519        if let Some(auth_method) = auth_method {
1520            if let Some(meta) = &auth_method.meta {
1521                if let Some(terminal_auth) = meta.get("terminal-auth") {
1522                    // Extract terminal auth details from meta
1523                    if let (Some(command), Some(label)) = (
1524                        terminal_auth.get("command").and_then(|v| v.as_str()),
1525                        terminal_auth.get("label").and_then(|v| v.as_str()),
1526                    ) {
1527                        let args = terminal_auth
1528                            .get("args")
1529                            .and_then(|v| v.as_array())
1530                            .map(|arr| {
1531                                arr.iter()
1532                                    .filter_map(|v| v.as_str().map(String::from))
1533                                    .collect()
1534                            })
1535                            .unwrap_or_default();
1536
1537                        let env = terminal_auth
1538                            .get("env")
1539                            .and_then(|v| v.as_object())
1540                            .map(|obj| {
1541                                obj.iter()
1542                                    .filter_map(|(k, v)| {
1543                                        v.as_str().map(|val| (k.clone(), val.to_string()))
1544                                    })
1545                                    .collect::<HashMap<String, String>>()
1546                            })
1547                            .unwrap_or_default();
1548
1549                        // Run SpawnInTerminal in the same dir as the ACP server
1550                        let cwd = connection
1551                            .clone()
1552                            .downcast::<agent_servers::AcpConnection>()
1553                            .map(|acp_conn| acp_conn.root_dir().to_path_buf());
1554
1555                        // Build SpawnInTerminal from _meta
1556                        let login = task::SpawnInTerminal {
1557                            id: task::TaskId(format!("external-agent-{}-login", label)),
1558                            full_label: label.to_string(),
1559                            label: label.to_string(),
1560                            command: Some(command.to_string()),
1561                            args,
1562                            command_label: label.to_string(),
1563                            cwd,
1564                            env,
1565                            use_new_terminal: true,
1566                            allow_concurrent_runs: true,
1567                            hide: task::HideStrategy::Always,
1568                            ..Default::default()
1569                        };
1570
1571                        self.thread_error.take();
1572                        configuration_view.take();
1573                        pending_auth_method.replace(method.clone());
1574
1575                        if let Some(workspace) = self.workspace.upgrade() {
1576                            let project = self.project.clone();
1577                            let authenticate = Self::spawn_external_agent_login(
1578                                login, workspace, project, false, true, window, cx,
1579                            );
1580                            cx.notify();
1581                            self.auth_task = Some(cx.spawn_in(window, {
1582                                let agent = self.agent.clone();
1583                                async move |this, cx| {
1584                                    let result = authenticate.await;
1585
1586                                    match &result {
1587                                        Ok(_) => telemetry::event!(
1588                                            "Authenticate Agent Succeeded",
1589                                            agent = agent.telemetry_id()
1590                                        ),
1591                                        Err(_) => {
1592                                            telemetry::event!(
1593                                                "Authenticate Agent Failed",
1594                                                agent = agent.telemetry_id(),
1595                                            )
1596                                        }
1597                                    }
1598
1599                                    this.update_in(cx, |this, window, cx| {
1600                                        if let Err(err) = result {
1601                                            if let ThreadState::Unauthenticated {
1602                                                pending_auth_method,
1603                                                ..
1604                                            } = &mut this.thread_state
1605                                            {
1606                                                pending_auth_method.take();
1607                                            }
1608                                            this.handle_thread_error(err, cx);
1609                                        } else {
1610                                            this.reset(window, cx);
1611                                        }
1612                                        this.auth_task.take()
1613                                    })
1614                                    .ok();
1615                                }
1616                            }));
1617                        }
1618                        return;
1619                    }
1620                }
1621            }
1622        }
1623
1624        if method.0.as_ref() == "gemini-api-key" {
1625            let registry = LanguageModelRegistry::global(cx);
1626            let provider = registry
1627                .read(cx)
1628                .provider(&language_model::GOOGLE_PROVIDER_ID)
1629                .unwrap();
1630            if !provider.is_authenticated(cx) {
1631                let this = cx.weak_entity();
1632                let agent = self.agent.clone();
1633                let connection = connection.clone();
1634                window.defer(cx, |window, cx| {
1635                    Self::handle_auth_required(
1636                        this,
1637                        AuthRequired {
1638                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1639                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1640                        },
1641                        agent,
1642                        connection,
1643                        window,
1644                        cx,
1645                    );
1646                });
1647                return;
1648            }
1649        } else if method.0.as_ref() == "anthropic-api-key" {
1650            let registry = LanguageModelRegistry::global(cx);
1651            let provider = registry
1652                .read(cx)
1653                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1654                .unwrap();
1655            let this = cx.weak_entity();
1656            let agent = self.agent.clone();
1657            let connection = connection.clone();
1658            window.defer(cx, move |window, cx| {
1659                if !provider.is_authenticated(cx) {
1660                    Self::handle_auth_required(
1661                        this,
1662                        AuthRequired {
1663                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1664                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1665                        },
1666                        agent,
1667                        connection,
1668                        window,
1669                        cx,
1670                    );
1671                } else {
1672                    this.update(cx, |this, cx| {
1673                        this.thread_state = Self::initial_state(
1674                            agent,
1675                            None,
1676                            this.workspace.clone(),
1677                            this.project.clone(),
1678                            window,
1679                            cx,
1680                        )
1681                    })
1682                    .ok();
1683                }
1684            });
1685            return;
1686        } else if method.0.as_ref() == "vertex-ai"
1687            && std::env::var("GOOGLE_API_KEY").is_err()
1688            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1689                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1690        {
1691            let this = cx.weak_entity();
1692            let agent = self.agent.clone();
1693            let connection = connection.clone();
1694
1695            window.defer(cx, |window, cx| {
1696                    Self::handle_auth_required(
1697                        this,
1698                        AuthRequired {
1699                            description: Some(
1700                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1701                                    .to_owned(),
1702                            ),
1703                            provider_id: None,
1704                        },
1705                        agent,
1706                        connection,
1707                        window,
1708                        cx,
1709                    )
1710                });
1711            return;
1712        }
1713
1714        self.thread_error.take();
1715        configuration_view.take();
1716        pending_auth_method.replace(method.clone());
1717        let authenticate = if (method.0.as_ref() == "claude-login"
1718            || method.0.as_ref() == "spawn-gemini-cli")
1719            && let Some(login) = self.login.clone()
1720        {
1721            if let Some(workspace) = self.workspace.upgrade() {
1722                let project = self.project.clone();
1723                Self::spawn_external_agent_login(
1724                    login, workspace, project, false, false, window, cx,
1725                )
1726            } else {
1727                Task::ready(Ok(()))
1728            }
1729        } else {
1730            connection.authenticate(method, cx)
1731        };
1732        cx.notify();
1733        self.auth_task =
1734            Some(cx.spawn_in(window, {
1735                let agent = self.agent.clone();
1736                async move |this, cx| {
1737                    let result = authenticate.await;
1738
1739                    match &result {
1740                        Ok(_) => telemetry::event!(
1741                            "Authenticate Agent Succeeded",
1742                            agent = agent.telemetry_id()
1743                        ),
1744                        Err(_) => {
1745                            telemetry::event!(
1746                                "Authenticate Agent Failed",
1747                                agent = agent.telemetry_id(),
1748                            )
1749                        }
1750                    }
1751
1752                    this.update_in(cx, |this, window, cx| {
1753                        if let Err(err) = result {
1754                            if let ThreadState::Unauthenticated {
1755                                pending_auth_method,
1756                                ..
1757                            } = &mut this.thread_state
1758                            {
1759                                pending_auth_method.take();
1760                            }
1761                            this.handle_thread_error(err, cx);
1762                        } else {
1763                            this.reset(window, cx);
1764                        }
1765                        this.auth_task.take()
1766                    })
1767                    .ok();
1768                }
1769            }));
1770    }
1771
1772    fn spawn_external_agent_login(
1773        login: task::SpawnInTerminal,
1774        workspace: Entity<Workspace>,
1775        project: Entity<Project>,
1776        previous_attempt: bool,
1777        check_exit_code: bool,
1778        window: &mut Window,
1779        cx: &mut App,
1780    ) -> Task<Result<()>> {
1781        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1782            return Task::ready(Ok(()));
1783        };
1784
1785        window.spawn(cx, async move |cx| {
1786            let mut task = login.clone();
1787            if let Some(cmd) = &task.command {
1788                // Have "node" command use Zed's managed Node runtime by default
1789                if cmd == "node" {
1790                    let resolved_node_runtime = project
1791                        .update(cx, |project, cx| {
1792                            let agent_server_store = project.agent_server_store().clone();
1793                            agent_server_store.update(cx, |store, cx| {
1794                                store.node_runtime().map(|node_runtime| {
1795                                    cx.background_spawn(async move {
1796                                        node_runtime.binary_path().await
1797                                    })
1798                                })
1799                            })
1800                        });
1801
1802                    if let Ok(Some(resolve_task)) = resolved_node_runtime {
1803                        if let Ok(node_path) = resolve_task.await {
1804                            task.command = Some(node_path.to_string_lossy().to_string());
1805                        }
1806                    }
1807                }
1808            }
1809            task.shell = task::Shell::WithArguments {
1810                program: task.command.take().expect("login command should be set"),
1811                args: std::mem::take(&mut task.args),
1812                title_override: None
1813            };
1814            task.full_label = task.label.clone();
1815            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1816            task.command_label = task.label.clone();
1817            task.use_new_terminal = true;
1818            task.allow_concurrent_runs = true;
1819            task.hide = task::HideStrategy::Always;
1820
1821            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1822                terminal_panel.spawn_task(&task, window, cx)
1823            })?;
1824
1825            let terminal = terminal.await?;
1826
1827            if check_exit_code {
1828                // For extension-based auth, wait for the process to exit and check exit code
1829                let exit_status = terminal
1830                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1831                    .await;
1832
1833                match exit_status {
1834                    Some(status) if status.success() => {
1835                        Ok(())
1836                    }
1837                    Some(status) => {
1838                        Err(anyhow!("Login command failed with exit code: {:?}", status.code()))
1839                    }
1840                    None => {
1841                        Err(anyhow!("Login command terminated without exit status"))
1842                    }
1843                }
1844            } else {
1845                // For hardcoded agents (claude-login, gemini-cli): look for specific output
1846                let mut exit_status = terminal
1847                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1848                    .fuse();
1849
1850                let logged_in = cx
1851                    .spawn({
1852                        let terminal = terminal.clone();
1853                        async move |cx| {
1854                            loop {
1855                                cx.background_executor().timer(Duration::from_secs(1)).await;
1856                                let content =
1857                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1858                                if content.contains("Login successful")
1859                                    || content.contains("Type your message")
1860                                {
1861                                    return anyhow::Ok(());
1862                                }
1863                            }
1864                        }
1865                    })
1866                    .fuse();
1867                futures::pin_mut!(logged_in);
1868                futures::select_biased! {
1869                    result = logged_in => {
1870                        if let Err(e) = result {
1871                            log::error!("{e}");
1872                            return Err(anyhow!("exited before logging in"));
1873                        }
1874                    }
1875                    _ = exit_status => {
1876                        if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1877                            return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, project.clone(), true, false, window, cx))?.await
1878                        }
1879                        return Err(anyhow!("exited before logging in"));
1880                    }
1881                }
1882                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1883                Ok(())
1884            }
1885        })
1886    }
1887
1888    fn authorize_tool_call(
1889        &mut self,
1890        tool_call_id: acp::ToolCallId,
1891        option_id: acp::PermissionOptionId,
1892        option_kind: acp::PermissionOptionKind,
1893        window: &mut Window,
1894        cx: &mut Context<Self>,
1895    ) {
1896        let Some(thread) = self.thread() else {
1897            return;
1898        };
1899
1900        telemetry::event!(
1901            "Agent Tool Call Authorized",
1902            agent = self.agent.telemetry_id(),
1903            session = thread.read(cx).session_id(),
1904            option = option_kind
1905        );
1906
1907        thread.update(cx, |thread, cx| {
1908            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1909        });
1910        if self.should_be_following {
1911            self.workspace
1912                .update(cx, |workspace, cx| {
1913                    workspace.follow(CollaboratorId::Agent, window, cx);
1914                })
1915                .ok();
1916        }
1917        cx.notify();
1918    }
1919
1920    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1921        let Some(thread) = self.thread() else {
1922            return;
1923        };
1924
1925        thread
1926            .update(cx, |thread, cx| {
1927                thread.restore_checkpoint(message_id.clone(), cx)
1928            })
1929            .detach_and_log_err(cx);
1930    }
1931
1932    fn render_entry(
1933        &self,
1934        entry_ix: usize,
1935        total_entries: usize,
1936        entry: &AgentThreadEntry,
1937        window: &mut Window,
1938        cx: &Context<Self>,
1939    ) -> AnyElement {
1940        let primary = match &entry {
1941            AgentThreadEntry::UserMessage(message) => {
1942                let Some(editor) = self
1943                    .entry_view_state
1944                    .read(cx)
1945                    .entry(entry_ix)
1946                    .and_then(|entry| entry.message_editor())
1947                    .cloned()
1948                else {
1949                    return Empty.into_any_element();
1950                };
1951
1952                let editing = self.editing_message == Some(entry_ix);
1953                let editor_focus = editor.focus_handle(cx).is_focused(window);
1954                let focus_border = cx.theme().colors().border_focused;
1955
1956                let rules_item = if entry_ix == 0 {
1957                    self.render_rules_item(cx)
1958                } else {
1959                    None
1960                };
1961
1962                let has_checkpoint_button = message
1963                    .checkpoint
1964                    .as_ref()
1965                    .is_some_and(|checkpoint| checkpoint.show);
1966
1967                let agent_name = self.agent.name();
1968
1969                v_flex()
1970                    .id(("user_message", entry_ix))
1971                    .map(|this| {
1972                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1973                            this.pt(rems_from_px(18.))
1974                        } else if rules_item.is_some() {
1975                            this.pt_3()
1976                        } else {
1977                            this.pt_2()
1978                        }
1979                    })
1980                    .pb_3()
1981                    .px_2()
1982                    .gap_1p5()
1983                    .w_full()
1984                    .children(rules_item)
1985                    .children(message.id.clone().and_then(|message_id| {
1986                        message.checkpoint.as_ref()?.show.then(|| {
1987                            h_flex()
1988                                .px_3()
1989                                .gap_2()
1990                                .child(Divider::horizontal())
1991                                .child(
1992                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1993                                        .icon(IconName::Undo)
1994                                        .icon_size(IconSize::XSmall)
1995                                        .icon_position(IconPosition::Start)
1996                                        .label_size(LabelSize::XSmall)
1997                                        .icon_color(Color::Muted)
1998                                        .color(Color::Muted)
1999                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
2000                                        .on_click(cx.listener(move |this, _, _window, cx| {
2001                                            this.restore_checkpoint(&message_id, cx);
2002                                        }))
2003                                )
2004                                .child(Divider::horizontal())
2005                        })
2006                    }))
2007                    .child(
2008                        div()
2009                            .relative()
2010                            .child(
2011                                div()
2012                                    .py_3()
2013                                    .px_2()
2014                                    .rounded_md()
2015                                    .shadow_md()
2016                                    .bg(cx.theme().colors().editor_background)
2017                                    .border_1()
2018                                    .when(editing && !editor_focus, |this| this.border_dashed())
2019                                    .border_color(cx.theme().colors().border)
2020                                    .map(|this|{
2021                                        if editing && editor_focus {
2022                                            this.border_color(focus_border)
2023                                        } else if message.id.is_some() {
2024                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
2025                                        } else {
2026                                            this
2027                                        }
2028                                    })
2029                                    .text_xs()
2030                                    .child(editor.clone().into_any_element()),
2031                            )
2032                            .when(editor_focus, |this| {
2033                                let base_container = h_flex()
2034                                    .absolute()
2035                                    .top_neg_3p5()
2036                                    .right_3()
2037                                    .gap_1()
2038                                    .rounded_sm()
2039                                    .border_1()
2040                                    .border_color(cx.theme().colors().border)
2041                                    .bg(cx.theme().colors().editor_background)
2042                                    .overflow_hidden();
2043
2044                                if message.id.is_some() {
2045                                    this.child(
2046                                        base_container
2047                                            .child(
2048                                                IconButton::new("cancel", IconName::Close)
2049                                                    .disabled(self.is_loading_contents)
2050                                                    .icon_color(Color::Error)
2051                                                    .icon_size(IconSize::XSmall)
2052                                                    .on_click(cx.listener(Self::cancel_editing))
2053                                            )
2054                                            .child(
2055                                                if self.is_loading_contents {
2056                                                    div()
2057                                                        .id("loading-edited-message-content")
2058                                                        .tooltip(Tooltip::text("Loading Added Context…"))
2059                                                        .child(loading_contents_spinner(IconSize::XSmall))
2060                                                        .into_any_element()
2061                                                } else {
2062                                                    IconButton::new("regenerate", IconName::Return)
2063                                                        .icon_color(Color::Muted)
2064                                                        .icon_size(IconSize::XSmall)
2065                                                        .tooltip(Tooltip::text(
2066                                                            "Editing will restart the thread from this point."
2067                                                        ))
2068                                                        .on_click(cx.listener({
2069                                                            let editor = editor.clone();
2070                                                            move |this, _, window, cx| {
2071                                                                this.regenerate(
2072                                                                    entry_ix, editor.clone(), window, cx,
2073                                                                );
2074                                                            }
2075                                                        })).into_any_element()
2076                                                }
2077                                            )
2078                                    )
2079                                } else {
2080                                    this.child(
2081                                        base_container
2082                                            .border_dashed()
2083                                            .child(
2084                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
2085                                                    .icon_size(IconSize::Small)
2086                                                    .icon_color(Color::Muted)
2087                                                    .style(ButtonStyle::Transparent)
2088                                                    .tooltip(move |_window, cx| {
2089                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
2090                                                            .into()
2091                                                    })
2092                                            )
2093                                    )
2094                                }
2095                            }),
2096                    )
2097                    .into_any()
2098            }
2099            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
2100                let is_last = entry_ix + 1 == total_entries;
2101
2102                let style = default_markdown_style(false, false, window, cx);
2103                let message_body = v_flex()
2104                    .w_full()
2105                    .gap_3()
2106                    .children(chunks.iter().enumerate().filter_map(
2107                        |(chunk_ix, chunk)| match chunk {
2108                            AssistantMessageChunk::Message { block } => {
2109                                block.markdown().map(|md| {
2110                                    self.render_markdown(md.clone(), style.clone())
2111                                        .into_any_element()
2112                                })
2113                            }
2114                            AssistantMessageChunk::Thought { block } => {
2115                                block.markdown().map(|md| {
2116                                    self.render_thinking_block(
2117                                        entry_ix,
2118                                        chunk_ix,
2119                                        md.clone(),
2120                                        window,
2121                                        cx,
2122                                    )
2123                                    .into_any_element()
2124                                })
2125                            }
2126                        },
2127                    ))
2128                    .into_any();
2129
2130                v_flex()
2131                    .px_5()
2132                    .py_1p5()
2133                    .when(is_last, |this| this.pb_4())
2134                    .w_full()
2135                    .text_ui(cx)
2136                    .child(message_body)
2137                    .into_any()
2138            }
2139            AgentThreadEntry::ToolCall(tool_call) => {
2140                let has_terminals = tool_call.terminals().next().is_some();
2141
2142                div().w_full().map(|this| {
2143                    if has_terminals {
2144                        this.children(tool_call.terminals().map(|terminal| {
2145                            self.render_terminal_tool_call(
2146                                entry_ix, terminal, tool_call, window, cx,
2147                            )
2148                        }))
2149                    } else {
2150                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
2151                    }
2152                })
2153            }
2154            .into_any(),
2155        };
2156
2157        let needs_confirmation = if let AgentThreadEntry::ToolCall(tool_call) = entry {
2158            matches!(
2159                tool_call.status,
2160                ToolCallStatus::WaitingForConfirmation { .. }
2161            )
2162        } else {
2163            false
2164        };
2165
2166        let Some(thread) = self.thread() else {
2167            return primary;
2168        };
2169
2170        let primary = if entry_ix == total_entries - 1 {
2171            v_flex()
2172                .w_full()
2173                .child(primary)
2174                .map(|this| {
2175                    if needs_confirmation {
2176                        this.child(self.render_generating(true))
2177                    } else {
2178                        this.child(self.render_thread_controls(&thread, cx))
2179                    }
2180                })
2181                .when_some(
2182                    self.thread_feedback.comments_editor.clone(),
2183                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
2184                )
2185                .into_any_element()
2186        } else {
2187            primary
2188        };
2189
2190        if let Some(editing_index) = self.editing_message.as_ref()
2191            && *editing_index < entry_ix
2192        {
2193            let backdrop = div()
2194                .id(("backdrop", entry_ix))
2195                .size_full()
2196                .absolute()
2197                .inset_0()
2198                .bg(cx.theme().colors().panel_background)
2199                .opacity(0.8)
2200                .block_mouse_except_scroll()
2201                .on_click(cx.listener(Self::cancel_editing));
2202
2203            div()
2204                .relative()
2205                .child(primary)
2206                .child(backdrop)
2207                .into_any_element()
2208        } else {
2209            primary
2210        }
2211    }
2212
2213    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2214        cx.theme()
2215            .colors()
2216            .element_background
2217            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2218    }
2219
2220    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2221        cx.theme().colors().border.opacity(0.8)
2222    }
2223
2224    fn tool_name_font_size(&self) -> Rems {
2225        rems_from_px(13.)
2226    }
2227
2228    fn render_thinking_block(
2229        &self,
2230        entry_ix: usize,
2231        chunk_ix: usize,
2232        chunk: Entity<Markdown>,
2233        window: &Window,
2234        cx: &Context<Self>,
2235    ) -> AnyElement {
2236        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2237        let card_header_id = SharedString::from("inner-card-header");
2238
2239        let key = (entry_ix, chunk_ix);
2240
2241        let is_open = self.expanded_thinking_blocks.contains(&key);
2242
2243        let scroll_handle = self
2244            .entry_view_state
2245            .read(cx)
2246            .entry(entry_ix)
2247            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2248
2249        let thinking_content = {
2250            div()
2251                .id(("thinking-content", chunk_ix))
2252                .when_some(scroll_handle, |this, scroll_handle| {
2253                    this.track_scroll(&scroll_handle)
2254                })
2255                .text_ui_sm(cx)
2256                .overflow_hidden()
2257                .child(
2258                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2259                )
2260        };
2261
2262        v_flex()
2263            .gap_1()
2264            .child(
2265                h_flex()
2266                    .id(header_id)
2267                    .group(&card_header_id)
2268                    .relative()
2269                    .w_full()
2270                    .pr_1()
2271                    .justify_between()
2272                    .child(
2273                        h_flex()
2274                            .h(window.line_height() - px(2.))
2275                            .gap_1p5()
2276                            .overflow_hidden()
2277                            .child(
2278                                Icon::new(IconName::ToolThink)
2279                                    .size(IconSize::Small)
2280                                    .color(Color::Muted),
2281                            )
2282                            .child(
2283                                div()
2284                                    .text_size(self.tool_name_font_size())
2285                                    .text_color(cx.theme().colors().text_muted)
2286                                    .child("Thinking"),
2287                            ),
2288                    )
2289                    .child(
2290                        Disclosure::new(("expand", entry_ix), is_open)
2291                            .opened_icon(IconName::ChevronUp)
2292                            .closed_icon(IconName::ChevronDown)
2293                            .visible_on_hover(&card_header_id)
2294                            .on_click(cx.listener({
2295                                move |this, _event, _window, cx| {
2296                                    if is_open {
2297                                        this.expanded_thinking_blocks.remove(&key);
2298                                    } else {
2299                                        this.expanded_thinking_blocks.insert(key);
2300                                    }
2301                                    cx.notify();
2302                                }
2303                            })),
2304                    )
2305                    .on_click(cx.listener({
2306                        move |this, _event, _window, cx| {
2307                            if is_open {
2308                                this.expanded_thinking_blocks.remove(&key);
2309                            } else {
2310                                this.expanded_thinking_blocks.insert(key);
2311                            }
2312                            cx.notify();
2313                        }
2314                    })),
2315            )
2316            .when(is_open, |this| {
2317                this.child(
2318                    div()
2319                        .ml_1p5()
2320                        .pl_3p5()
2321                        .border_l_1()
2322                        .border_color(self.tool_card_border_color(cx))
2323                        .child(thinking_content),
2324                )
2325            })
2326            .into_any_element()
2327    }
2328
2329    fn render_tool_call(
2330        &self,
2331        entry_ix: usize,
2332        tool_call: &ToolCall,
2333        window: &Window,
2334        cx: &Context<Self>,
2335    ) -> Div {
2336        let has_location = tool_call.locations.len() == 1;
2337        let card_header_id = SharedString::from("inner-tool-call-header");
2338
2339        let failed_or_canceled = match &tool_call.status {
2340            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2341            _ => false,
2342        };
2343
2344        let needs_confirmation = matches!(
2345            tool_call.status,
2346            ToolCallStatus::WaitingForConfirmation { .. }
2347        );
2348        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2349        let is_edit =
2350            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2351
2352        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2353
2354        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2355
2356        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2357
2358        let tool_output_display =
2359            if is_open {
2360                match &tool_call.status {
2361                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2362                        .w_full()
2363                        .children(tool_call.content.iter().enumerate().map(
2364                            |(content_ix, content)| {
2365                                div()
2366                                    .child(self.render_tool_call_content(
2367                                        entry_ix,
2368                                        content,
2369                                        content_ix,
2370                                        tool_call,
2371                                        use_card_layout,
2372                                        window,
2373                                        cx,
2374                                    ))
2375                                    .into_any_element()
2376                            },
2377                        ))
2378                        .child(self.render_permission_buttons(
2379                            tool_call.kind,
2380                            options,
2381                            entry_ix,
2382                            tool_call.id.clone(),
2383                            cx,
2384                        ))
2385                        .into_any(),
2386                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2387                        if is_edit
2388                            && tool_call.content.is_empty()
2389                            && self.as_native_connection(cx).is_some() =>
2390                    {
2391                        self.render_diff_loading(cx).into_any()
2392                    }
2393                    ToolCallStatus::Pending
2394                    | ToolCallStatus::InProgress
2395                    | ToolCallStatus::Completed
2396                    | ToolCallStatus::Failed
2397                    | ToolCallStatus::Canceled => v_flex()
2398                        .w_full()
2399                        .children(tool_call.content.iter().enumerate().map(
2400                            |(content_ix, content)| {
2401                                div().child(self.render_tool_call_content(
2402                                    entry_ix,
2403                                    content,
2404                                    content_ix,
2405                                    tool_call,
2406                                    use_card_layout,
2407                                    window,
2408                                    cx,
2409                                ))
2410                            },
2411                        ))
2412                        .into_any(),
2413                    ToolCallStatus::Rejected => Empty.into_any(),
2414                }
2415                .into()
2416            } else {
2417                None
2418            };
2419
2420        v_flex()
2421            .map(|this| {
2422                if use_card_layout {
2423                    this.my_1p5()
2424                        .rounded_md()
2425                        .border_1()
2426                        .border_color(self.tool_card_border_color(cx))
2427                        .bg(cx.theme().colors().editor_background)
2428                        .overflow_hidden()
2429                } else {
2430                    this.my_1()
2431                }
2432            })
2433            .map(|this| {
2434                if has_location && !use_card_layout {
2435                    this.ml_4()
2436                } else {
2437                    this.ml_5()
2438                }
2439            })
2440            .mr_5()
2441            .map(|this| {
2442                if is_terminal_tool {
2443                    this.child(
2444                        v_flex()
2445                            .p_1p5()
2446                            .gap_0p5()
2447                            .text_ui_sm(cx)
2448                            .bg(self.tool_card_header_bg(cx))
2449                            .child(
2450                                Label::new("Run Command")
2451                                    .buffer_font(cx)
2452                                    .size(LabelSize::XSmall)
2453                                    .color(Color::Muted),
2454                            )
2455                            .child(
2456                                MarkdownElement::new(
2457                                    tool_call.label.clone(),
2458                                    terminal_command_markdown_style(window, cx),
2459                                )
2460                                .code_block_renderer(
2461                                    markdown::CodeBlockRenderer::Default {
2462                                        copy_button: false,
2463                                        copy_button_on_hover: false,
2464                                        border: false,
2465                                    },
2466                                )
2467                            ),
2468                    )
2469                } else {
2470                   this.child(
2471                        h_flex()
2472                            .group(&card_header_id)
2473                            .relative()
2474                            .w_full()
2475                            .gap_1()
2476                            .justify_between()
2477                            .when(use_card_layout, |this| {
2478                                this.p_0p5()
2479                                    .rounded_t(rems_from_px(5.))
2480                                    .bg(self.tool_card_header_bg(cx))
2481                            })
2482                            .child(self.render_tool_call_label(
2483                                entry_ix,
2484                                tool_call,
2485                                is_edit,
2486                                use_card_layout,
2487                                window,
2488                                cx,
2489                            ))
2490                            .when(is_collapsible || failed_or_canceled, |this| {
2491                                this.child(
2492                                    h_flex()
2493                                        .px_1()
2494                                        .gap_px()
2495                                        .when(is_collapsible, |this| {
2496                                            this.child(
2497                                            Disclosure::new(("expand", entry_ix), is_open)
2498                                                .opened_icon(IconName::ChevronUp)
2499                                                .closed_icon(IconName::ChevronDown)
2500                                                .visible_on_hover(&card_header_id)
2501                                                .on_click(cx.listener({
2502                                                    let id = tool_call.id.clone();
2503                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2504                                                        if is_open {
2505                                                            this.expanded_tool_calls.remove(&id);
2506                                                        } else {
2507                                                            this.expanded_tool_calls.insert(id.clone());
2508                                                        }
2509                                                        cx.notify();
2510                                                    }
2511                                                })),
2512                                        )
2513                                        })
2514                                        .when(failed_or_canceled, |this| {
2515                                            this.child(
2516                                                Icon::new(IconName::Close)
2517                                                    .color(Color::Error)
2518                                                    .size(IconSize::Small),
2519                                            )
2520                                        }),
2521                                )
2522                            }),
2523                    )
2524                }
2525            })
2526            .children(tool_output_display)
2527    }
2528
2529    fn render_tool_call_label(
2530        &self,
2531        entry_ix: usize,
2532        tool_call: &ToolCall,
2533        is_edit: bool,
2534        use_card_layout: bool,
2535        window: &Window,
2536        cx: &Context<Self>,
2537    ) -> Div {
2538        let has_location = tool_call.locations.len() == 1;
2539
2540        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2541            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2542                .map(Icon::from_path)
2543                .unwrap_or(Icon::new(IconName::ToolPencil))
2544        } else {
2545            Icon::new(match tool_call.kind {
2546                acp::ToolKind::Read => IconName::ToolSearch,
2547                acp::ToolKind::Edit => IconName::ToolPencil,
2548                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2549                acp::ToolKind::Move => IconName::ArrowRightLeft,
2550                acp::ToolKind::Search => IconName::ToolSearch,
2551                acp::ToolKind::Execute => IconName::ToolTerminal,
2552                acp::ToolKind::Think => IconName::ToolThink,
2553                acp::ToolKind::Fetch => IconName::ToolWeb,
2554                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2555                acp::ToolKind::Other | _ => IconName::ToolHammer,
2556            })
2557        }
2558        .size(IconSize::Small)
2559        .color(Color::Muted);
2560
2561        let gradient_overlay = {
2562            div()
2563                .absolute()
2564                .top_0()
2565                .right_0()
2566                .w_12()
2567                .h_full()
2568                .map(|this| {
2569                    if use_card_layout {
2570                        this.bg(linear_gradient(
2571                            90.,
2572                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2573                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2574                        ))
2575                    } else {
2576                        this.bg(linear_gradient(
2577                            90.,
2578                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2579                            linear_color_stop(
2580                                cx.theme().colors().panel_background.opacity(0.2),
2581                                0.,
2582                            ),
2583                        ))
2584                    }
2585                })
2586        };
2587
2588        h_flex()
2589            .relative()
2590            .w_full()
2591            .h(window.line_height() - px(2.))
2592            .text_size(self.tool_name_font_size())
2593            .gap_1p5()
2594            .when(has_location || use_card_layout, |this| this.px_1())
2595            .when(has_location, |this| {
2596                this.cursor(CursorStyle::PointingHand)
2597                    .rounded(rems_from_px(3.)) // Concentric border radius
2598                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2599            })
2600            .overflow_hidden()
2601            .child(tool_icon)
2602            .child(if has_location {
2603                h_flex()
2604                    .id(("open-tool-call-location", entry_ix))
2605                    .w_full()
2606                    .map(|this| {
2607                        if use_card_layout {
2608                            this.text_color(cx.theme().colors().text)
2609                        } else {
2610                            this.text_color(cx.theme().colors().text_muted)
2611                        }
2612                    })
2613                    .child(self.render_markdown(
2614                        tool_call.label.clone(),
2615                        MarkdownStyle {
2616                            prevent_mouse_interaction: true,
2617                            ..default_markdown_style(false, true, window, cx)
2618                        },
2619                    ))
2620                    .tooltip(Tooltip::text("Jump to File"))
2621                    .on_click(cx.listener(move |this, _, window, cx| {
2622                        this.open_tool_call_location(entry_ix, 0, window, cx);
2623                    }))
2624                    .into_any_element()
2625            } else {
2626                h_flex()
2627                    .w_full()
2628                    .child(self.render_markdown(
2629                        tool_call.label.clone(),
2630                        default_markdown_style(false, true, window, cx),
2631                    ))
2632                    .into_any()
2633            })
2634            .when(!is_edit, |this| this.child(gradient_overlay))
2635    }
2636
2637    fn render_tool_call_content(
2638        &self,
2639        entry_ix: usize,
2640        content: &ToolCallContent,
2641        context_ix: usize,
2642        tool_call: &ToolCall,
2643        card_layout: bool,
2644        window: &Window,
2645        cx: &Context<Self>,
2646    ) -> AnyElement {
2647        match content {
2648            ToolCallContent::ContentBlock(content) => {
2649                if let Some(resource_link) = content.resource_link() {
2650                    self.render_resource_link(resource_link, cx)
2651                } else if let Some(markdown) = content.markdown() {
2652                    self.render_markdown_output(
2653                        markdown.clone(),
2654                        tool_call.id.clone(),
2655                        context_ix,
2656                        card_layout,
2657                        window,
2658                        cx,
2659                    )
2660                } else {
2661                    Empty.into_any_element()
2662                }
2663            }
2664            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2665            ToolCallContent::Terminal(terminal) => {
2666                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2667            }
2668        }
2669    }
2670
2671    fn render_markdown_output(
2672        &self,
2673        markdown: Entity<Markdown>,
2674        tool_call_id: acp::ToolCallId,
2675        context_ix: usize,
2676        card_layout: bool,
2677        window: &Window,
2678        cx: &Context<Self>,
2679    ) -> AnyElement {
2680        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2681
2682        v_flex()
2683            .mt_1p5()
2684            .gap_2()
2685            .when(!card_layout, |this| {
2686                this.ml(rems(0.4))
2687                    .px_3p5()
2688                    .border_l_1()
2689                    .border_color(self.tool_card_border_color(cx))
2690            })
2691            .when(card_layout, |this| {
2692                this.px_2().pb_2().when(context_ix > 0, |this| {
2693                    this.border_t_1()
2694                        .pt_2()
2695                        .border_color(self.tool_card_border_color(cx))
2696                })
2697            })
2698            .text_xs()
2699            .text_color(cx.theme().colors().text_muted)
2700            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2701            .when(!card_layout, |this| {
2702                this.child(
2703                    IconButton::new(button_id, IconName::ChevronUp)
2704                        .full_width()
2705                        .style(ButtonStyle::Outlined)
2706                        .icon_color(Color::Muted)
2707                        .on_click(cx.listener({
2708                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2709                                this.expanded_tool_calls.remove(&tool_call_id);
2710                                cx.notify();
2711                            }
2712                        })),
2713                )
2714            })
2715            .into_any_element()
2716    }
2717
2718    fn render_resource_link(
2719        &self,
2720        resource_link: &acp::ResourceLink,
2721        cx: &Context<Self>,
2722    ) -> AnyElement {
2723        let uri: SharedString = resource_link.uri.clone().into();
2724        let is_file = resource_link.uri.strip_prefix("file://");
2725
2726        let label: SharedString = if let Some(abs_path) = is_file {
2727            if let Some(project_path) = self
2728                .project
2729                .read(cx)
2730                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2731                && let Some(worktree) = self
2732                    .project
2733                    .read(cx)
2734                    .worktree_for_id(project_path.worktree_id, cx)
2735            {
2736                worktree
2737                    .read(cx)
2738                    .full_path(&project_path.path)
2739                    .to_string_lossy()
2740                    .to_string()
2741                    .into()
2742            } else {
2743                abs_path.to_string().into()
2744            }
2745        } else {
2746            uri.clone()
2747        };
2748
2749        let button_id = SharedString::from(format!("item-{}", uri));
2750
2751        div()
2752            .ml(rems(0.4))
2753            .pl_2p5()
2754            .border_l_1()
2755            .border_color(self.tool_card_border_color(cx))
2756            .overflow_hidden()
2757            .child(
2758                Button::new(button_id, label)
2759                    .label_size(LabelSize::Small)
2760                    .color(Color::Muted)
2761                    .truncate(true)
2762                    .when(is_file.is_none(), |this| {
2763                        this.icon(IconName::ArrowUpRight)
2764                            .icon_size(IconSize::XSmall)
2765                            .icon_color(Color::Muted)
2766                    })
2767                    .on_click(cx.listener({
2768                        let workspace = self.workspace.clone();
2769                        move |_, _, window, cx: &mut Context<Self>| {
2770                            Self::open_link(uri.clone(), &workspace, window, cx);
2771                        }
2772                    })),
2773            )
2774            .into_any_element()
2775    }
2776
2777    fn render_permission_buttons(
2778        &self,
2779        kind: acp::ToolKind,
2780        options: &[acp::PermissionOption],
2781        entry_ix: usize,
2782        tool_call_id: acp::ToolCallId,
2783        cx: &Context<Self>,
2784    ) -> Div {
2785        let is_first = self.thread().is_some_and(|thread| {
2786            thread
2787                .read(cx)
2788                .first_tool_awaiting_confirmation()
2789                .is_some_and(|call| call.id == tool_call_id)
2790        });
2791        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2792
2793        div()
2794            .p_1()
2795            .border_t_1()
2796            .border_color(self.tool_card_border_color(cx))
2797            .w_full()
2798            .map(|this| {
2799                if kind == acp::ToolKind::SwitchMode {
2800                    this.v_flex()
2801                } else {
2802                    this.h_flex().justify_end().flex_wrap()
2803                }
2804            })
2805            .gap_0p5()
2806            .children(options.iter().map(move |option| {
2807                let option_id = SharedString::from(option.option_id.0.clone());
2808                Button::new((option_id, entry_ix), option.name.clone())
2809                    .map(|this| {
2810                        let (this, action) = match option.kind {
2811                            acp::PermissionOptionKind::AllowOnce => (
2812                                this.icon(IconName::Check).icon_color(Color::Success),
2813                                Some(&AllowOnce as &dyn Action),
2814                            ),
2815                            acp::PermissionOptionKind::AllowAlways => (
2816                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2817                                Some(&AllowAlways as &dyn Action),
2818                            ),
2819                            acp::PermissionOptionKind::RejectOnce => (
2820                                this.icon(IconName::Close).icon_color(Color::Error),
2821                                Some(&RejectOnce as &dyn Action),
2822                            ),
2823                            acp::PermissionOptionKind::RejectAlways | _ => {
2824                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2825                            }
2826                        };
2827
2828                        let Some(action) = action else {
2829                            return this;
2830                        };
2831
2832                        if !is_first || seen_kinds.contains(&option.kind) {
2833                            return this;
2834                        }
2835
2836                        seen_kinds.push(option.kind);
2837
2838                        this.key_binding(
2839                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
2840                                .map(|kb| kb.size(rems_from_px(10.))),
2841                        )
2842                    })
2843                    .icon_position(IconPosition::Start)
2844                    .icon_size(IconSize::XSmall)
2845                    .label_size(LabelSize::Small)
2846                    .on_click(cx.listener({
2847                        let tool_call_id = tool_call_id.clone();
2848                        let option_id = option.option_id.clone();
2849                        let option_kind = option.kind;
2850                        move |this, _, window, cx| {
2851                            this.authorize_tool_call(
2852                                tool_call_id.clone(),
2853                                option_id.clone(),
2854                                option_kind,
2855                                window,
2856                                cx,
2857                            );
2858                        }
2859                    }))
2860            }))
2861    }
2862
2863    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2864        let bar = |n: u64, width_class: &str| {
2865            let bg_color = cx.theme().colors().element_active;
2866            let base = h_flex().h_1().rounded_full();
2867
2868            let modified = match width_class {
2869                "w_4_5" => base.w_3_4(),
2870                "w_1_4" => base.w_1_4(),
2871                "w_2_4" => base.w_2_4(),
2872                "w_3_5" => base.w_3_5(),
2873                "w_2_5" => base.w_2_5(),
2874                _ => base.w_1_2(),
2875            };
2876
2877            modified.with_animation(
2878                ElementId::Integer(n),
2879                Animation::new(Duration::from_secs(2)).repeat(),
2880                move |tab, delta| {
2881                    let delta = (delta - 0.15 * n as f32) / 0.7;
2882                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2883                    let delta = ease_in_out(delta.clamp(0., 1.));
2884                    let delta = 0.1 + 0.9 * delta;
2885
2886                    tab.bg(bg_color.opacity(delta))
2887                },
2888            )
2889        };
2890
2891        v_flex()
2892            .p_3()
2893            .gap_1()
2894            .rounded_b_md()
2895            .bg(cx.theme().colors().editor_background)
2896            .child(bar(0, "w_4_5"))
2897            .child(bar(1, "w_1_4"))
2898            .child(bar(2, "w_2_4"))
2899            .child(bar(3, "w_3_5"))
2900            .child(bar(4, "w_2_5"))
2901            .into_any_element()
2902    }
2903
2904    fn render_diff_editor(
2905        &self,
2906        entry_ix: usize,
2907        diff: &Entity<acp_thread::Diff>,
2908        tool_call: &ToolCall,
2909        cx: &Context<Self>,
2910    ) -> AnyElement {
2911        let tool_progress = matches!(
2912            &tool_call.status,
2913            ToolCallStatus::InProgress | ToolCallStatus::Pending
2914        );
2915
2916        v_flex()
2917            .h_full()
2918            .border_t_1()
2919            .border_color(self.tool_card_border_color(cx))
2920            .child(
2921                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2922                    && let Some(editor) = entry.editor_for_diff(diff)
2923                    && diff.read(cx).has_revealed_range(cx)
2924                {
2925                    editor.into_any_element()
2926                } else if tool_progress && self.as_native_connection(cx).is_some() {
2927                    self.render_diff_loading(cx)
2928                } else {
2929                    Empty.into_any()
2930                },
2931            )
2932            .into_any()
2933    }
2934
2935    fn render_terminal_tool_call(
2936        &self,
2937        entry_ix: usize,
2938        terminal: &Entity<acp_thread::Terminal>,
2939        tool_call: &ToolCall,
2940        window: &Window,
2941        cx: &Context<Self>,
2942    ) -> AnyElement {
2943        let terminal_data = terminal.read(cx);
2944        let working_dir = terminal_data.working_dir();
2945        let command = terminal_data.command();
2946        let started_at = terminal_data.started_at();
2947
2948        let tool_failed = matches!(
2949            &tool_call.status,
2950            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2951        );
2952
2953        let output = terminal_data.output();
2954        let command_finished = output.is_some();
2955        let truncated_output =
2956            output.is_some_and(|output| output.original_content_len > output.content.len());
2957        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2958
2959        let command_failed = command_finished
2960            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
2961
2962        let time_elapsed = if let Some(output) = output {
2963            output.ended_at.duration_since(started_at)
2964        } else {
2965            started_at.elapsed()
2966        };
2967
2968        let header_id =
2969            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2970        let header_group = SharedString::from(format!(
2971            "terminal-tool-header-group-{}",
2972            terminal.entity_id()
2973        ));
2974        let header_bg = cx
2975            .theme()
2976            .colors()
2977            .element_background
2978            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2979        let border_color = cx.theme().colors().border.opacity(0.6);
2980
2981        let working_dir = working_dir
2982            .as_ref()
2983            .map(|path| path.display().to_string())
2984            .unwrap_or_else(|| "current directory".to_string());
2985
2986        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2987
2988        let header = h_flex()
2989            .id(header_id)
2990            .flex_none()
2991            .gap_1()
2992            .justify_between()
2993            .rounded_t_md()
2994            .child(
2995                div()
2996                    .id(("command-target-path", terminal.entity_id()))
2997                    .w_full()
2998                    .max_w_full()
2999                    .overflow_x_scroll()
3000                    .child(
3001                        Label::new(working_dir)
3002                            .buffer_font(cx)
3003                            .size(LabelSize::XSmall)
3004                            .color(Color::Muted),
3005                    ),
3006            )
3007            .when(!command_finished, |header| {
3008                header
3009                    .gap_1p5()
3010                    .child(
3011                        Button::new(
3012                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
3013                            "Stop",
3014                        )
3015                        .icon(IconName::Stop)
3016                        .icon_position(IconPosition::Start)
3017                        .icon_size(IconSize::Small)
3018                        .icon_color(Color::Error)
3019                        .label_size(LabelSize::Small)
3020                        .tooltip(move |_window, cx| {
3021                            Tooltip::with_meta(
3022                                "Stop This Command",
3023                                None,
3024                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
3025                                cx,
3026                            )
3027                        })
3028                        .on_click({
3029                            let terminal = terminal.clone();
3030                            cx.listener(move |_this, _event, _window, cx| {
3031                                let inner_terminal = terminal.read(cx).inner().clone();
3032                                inner_terminal.update(cx, |inner_terminal, _cx| {
3033                                    inner_terminal.kill_active_task();
3034                                });
3035                            })
3036                        }),
3037                    )
3038                    .child(Divider::vertical())
3039                    .child(
3040                        Icon::new(IconName::ArrowCircle)
3041                            .size(IconSize::XSmall)
3042                            .color(Color::Info)
3043                            .with_rotate_animation(2)
3044                    )
3045            })
3046            .when(truncated_output, |header| {
3047                let tooltip = if let Some(output) = output {
3048                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
3049                       format!("Output exceeded terminal max lines and was \
3050                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
3051                    } else {
3052                        format!(
3053                            "Output is {} long, and to avoid unexpected token usage, \
3054                                only {} was sent back to the agent.",
3055                            format_file_size(output.original_content_len as u64, true),
3056                             format_file_size(output.content.len() as u64, true)
3057                        )
3058                    }
3059                } else {
3060                    "Output was truncated".to_string()
3061                };
3062
3063                header.child(
3064                    h_flex()
3065                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
3066                        .gap_1()
3067                        .child(
3068                            Icon::new(IconName::Info)
3069                                .size(IconSize::XSmall)
3070                                .color(Color::Ignored),
3071                        )
3072                        .child(
3073                            Label::new("Truncated")
3074                                .color(Color::Muted)
3075                                .size(LabelSize::XSmall),
3076                        )
3077                        .tooltip(Tooltip::text(tooltip)),
3078                )
3079            })
3080            .when(time_elapsed > Duration::from_secs(10), |header| {
3081                header.child(
3082                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
3083                        .buffer_font(cx)
3084                        .color(Color::Muted)
3085                        .size(LabelSize::XSmall),
3086                )
3087            })
3088            .when(tool_failed || command_failed, |header| {
3089                header.child(
3090                    div()
3091                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
3092                        .child(
3093                            Icon::new(IconName::Close)
3094                                .size(IconSize::Small)
3095                                .color(Color::Error),
3096                        )
3097                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
3098                            this.tooltip(Tooltip::text(format!(
3099                                "Exited with code {}",
3100                                status.code().unwrap_or(-1),
3101                            )))
3102                        }),
3103                )
3104            })
3105            .child(
3106                Disclosure::new(
3107                    SharedString::from(format!(
3108                        "terminal-tool-disclosure-{}",
3109                        terminal.entity_id()
3110                    )),
3111                    is_expanded,
3112                )
3113                .opened_icon(IconName::ChevronUp)
3114                .closed_icon(IconName::ChevronDown)
3115                .visible_on_hover(&header_group)
3116                .on_click(cx.listener({
3117                    let id = tool_call.id.clone();
3118                    move |this, _event, _window, _cx| {
3119                        if is_expanded {
3120                            this.expanded_tool_calls.remove(&id);
3121                        } else {
3122                            this.expanded_tool_calls.insert(id.clone());
3123                        }
3124                    }
3125                })),
3126            );
3127
3128        let terminal_view = self
3129            .entry_view_state
3130            .read(cx)
3131            .entry(entry_ix)
3132            .and_then(|entry| entry.terminal(terminal));
3133        let show_output = is_expanded && terminal_view.is_some();
3134
3135        v_flex()
3136            .my_1p5()
3137            .mx_5()
3138            .border_1()
3139            .when(tool_failed || command_failed, |card| card.border_dashed())
3140            .border_color(border_color)
3141            .rounded_md()
3142            .overflow_hidden()
3143            .child(
3144                v_flex()
3145                    .group(&header_group)
3146                    .py_1p5()
3147                    .pr_1p5()
3148                    .pl_2()
3149                    .gap_0p5()
3150                    .bg(header_bg)
3151                    .text_xs()
3152                    .child(header)
3153                    .child(
3154                        MarkdownElement::new(
3155                            command.clone(),
3156                            terminal_command_markdown_style(window, cx),
3157                        )
3158                        .code_block_renderer(
3159                            markdown::CodeBlockRenderer::Default {
3160                                copy_button: false,
3161                                copy_button_on_hover: true,
3162                                border: false,
3163                            },
3164                        ),
3165                    ),
3166            )
3167            .when(show_output, |this| {
3168                this.child(
3169                    div()
3170                        .pt_2()
3171                        .border_t_1()
3172                        .when(tool_failed || command_failed, |card| card.border_dashed())
3173                        .border_color(border_color)
3174                        .bg(cx.theme().colors().editor_background)
3175                        .rounded_b_md()
3176                        .text_ui_sm(cx)
3177                        .h_full()
3178                        .children(terminal_view.map(|terminal_view| {
3179                            let element = if terminal_view
3180                                .read(cx)
3181                                .content_mode(window, cx)
3182                                .is_scrollable()
3183                            {
3184                                div().h_72().child(terminal_view).into_any_element()
3185                            } else {
3186                                terminal_view.into_any_element()
3187                            };
3188
3189                            div()
3190                                .on_action(cx.listener(|_this, _: &NewTerminal, window, cx| {
3191                                    window.dispatch_action(NewThread.boxed_clone(), cx);
3192                                    cx.stop_propagation();
3193                                }))
3194                                .child(element)
3195                                .into_any_element()
3196                        })),
3197                )
3198            })
3199            .into_any()
3200    }
3201
3202    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
3203        let project_context = self
3204            .as_native_thread(cx)?
3205            .read(cx)
3206            .project_context()
3207            .read(cx);
3208
3209        let user_rules_text = if project_context.user_rules.is_empty() {
3210            None
3211        } else if project_context.user_rules.len() == 1 {
3212            let user_rules = &project_context.user_rules[0];
3213
3214            match user_rules.title.as_ref() {
3215                Some(title) => Some(format!("Using \"{title}\" user rule")),
3216                None => Some("Using user rule".into()),
3217            }
3218        } else {
3219            Some(format!(
3220                "Using {} user rules",
3221                project_context.user_rules.len()
3222            ))
3223        };
3224
3225        let first_user_rules_id = project_context
3226            .user_rules
3227            .first()
3228            .map(|user_rules| user_rules.uuid.0);
3229
3230        let rules_files = project_context
3231            .worktrees
3232            .iter()
3233            .filter_map(|worktree| worktree.rules_file.as_ref())
3234            .collect::<Vec<_>>();
3235
3236        let rules_file_text = match rules_files.as_slice() {
3237            &[] => None,
3238            &[rules_file] => Some(format!(
3239                "Using project {:?} file",
3240                rules_file.path_in_worktree
3241            )),
3242            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3243        };
3244
3245        if user_rules_text.is_none() && rules_file_text.is_none() {
3246            return None;
3247        }
3248
3249        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3250
3251        Some(
3252            h_flex()
3253                .px_2p5()
3254                .child(
3255                    Icon::new(IconName::Attach)
3256                        .size(IconSize::XSmall)
3257                        .color(Color::Disabled),
3258                )
3259                .when_some(user_rules_text, |parent, user_rules_text| {
3260                    parent.child(
3261                        h_flex()
3262                            .id("user-rules")
3263                            .ml_1()
3264                            .mr_1p5()
3265                            .child(
3266                                Label::new(user_rules_text)
3267                                    .size(LabelSize::XSmall)
3268                                    .color(Color::Muted)
3269                                    .truncate(),
3270                            )
3271                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3272                            .tooltip(Tooltip::text("View User Rules"))
3273                            .on_click(move |_event, window, cx| {
3274                                window.dispatch_action(
3275                                    Box::new(OpenRulesLibrary {
3276                                        prompt_to_select: first_user_rules_id,
3277                                    }),
3278                                    cx,
3279                                )
3280                            }),
3281                    )
3282                })
3283                .when(has_both, |this| {
3284                    this.child(
3285                        Label::new("")
3286                            .size(LabelSize::XSmall)
3287                            .color(Color::Disabled),
3288                    )
3289                })
3290                .when_some(rules_file_text, |parent, rules_file_text| {
3291                    parent.child(
3292                        h_flex()
3293                            .id("project-rules")
3294                            .ml_1p5()
3295                            .child(
3296                                Label::new(rules_file_text)
3297                                    .size(LabelSize::XSmall)
3298                                    .color(Color::Muted),
3299                            )
3300                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3301                            .tooltip(Tooltip::text("View Project Rules"))
3302                            .on_click(cx.listener(Self::handle_open_rules)),
3303                    )
3304                })
3305                .into_any(),
3306        )
3307    }
3308
3309    fn render_empty_state_section_header(
3310        &self,
3311        label: impl Into<SharedString>,
3312        action_slot: Option<AnyElement>,
3313        cx: &mut Context<Self>,
3314    ) -> impl IntoElement {
3315        div().pl_1().pr_1p5().child(
3316            h_flex()
3317                .mt_2()
3318                .pl_1p5()
3319                .pb_1()
3320                .w_full()
3321                .justify_between()
3322                .border_b_1()
3323                .border_color(cx.theme().colors().border_variant)
3324                .child(
3325                    Label::new(label.into())
3326                        .size(LabelSize::Small)
3327                        .color(Color::Muted),
3328                )
3329                .children(action_slot),
3330        )
3331    }
3332
3333    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3334        let render_history = self
3335            .agent
3336            .clone()
3337            .downcast::<agent::NativeAgentServer>()
3338            .is_some()
3339            && self
3340                .history_store
3341                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3342
3343        v_flex()
3344            .size_full()
3345            .when(render_history, |this| {
3346                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3347                    history_store.entries().take(3).collect()
3348                });
3349                this.justify_end().child(
3350                    v_flex()
3351                        .child(
3352                            self.render_empty_state_section_header(
3353                                "Recent",
3354                                Some(
3355                                    Button::new("view-history", "View All")
3356                                        .style(ButtonStyle::Subtle)
3357                                        .label_size(LabelSize::Small)
3358                                        .key_binding(
3359                                            KeyBinding::for_action_in(
3360                                                &OpenHistory,
3361                                                &self.focus_handle(cx),
3362                                                cx,
3363                                            )
3364                                            .map(|kb| kb.size(rems_from_px(12.))),
3365                                        )
3366                                        .on_click(move |_event, window, cx| {
3367                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3368                                        })
3369                                        .into_any_element(),
3370                                ),
3371                                cx,
3372                            ),
3373                        )
3374                        .child(
3375                            v_flex().p_1().pr_1p5().gap_1().children(
3376                                recent_history
3377                                    .into_iter()
3378                                    .enumerate()
3379                                    .map(|(index, entry)| {
3380                                        // TODO: Add keyboard navigation.
3381                                        let is_hovered =
3382                                            self.hovered_recent_history_item == Some(index);
3383                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3384                                            entry,
3385                                            cx.entity().downgrade(),
3386                                        )
3387                                        .hovered(is_hovered)
3388                                        .on_hover(cx.listener(
3389                                            move |this, is_hovered, _window, cx| {
3390                                                if *is_hovered {
3391                                                    this.hovered_recent_history_item = Some(index);
3392                                                } else if this.hovered_recent_history_item
3393                                                    == Some(index)
3394                                                {
3395                                                    this.hovered_recent_history_item = None;
3396                                                }
3397                                                cx.notify();
3398                                            },
3399                                        ))
3400                                        .into_any_element()
3401                                    }),
3402                            ),
3403                        ),
3404                )
3405            })
3406            .into_any()
3407    }
3408
3409    fn render_auth_required_state(
3410        &self,
3411        connection: &Rc<dyn AgentConnection>,
3412        description: Option<&Entity<Markdown>>,
3413        configuration_view: Option<&AnyView>,
3414        pending_auth_method: Option<&acp::AuthMethodId>,
3415        window: &mut Window,
3416        cx: &Context<Self>,
3417    ) -> Div {
3418        let show_description =
3419            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3420
3421        let auth_methods = connection.auth_methods();
3422
3423        v_flex().flex_1().size_full().justify_end().child(
3424            v_flex()
3425                .p_2()
3426                .pr_3()
3427                .w_full()
3428                .gap_1()
3429                .border_t_1()
3430                .border_color(cx.theme().colors().border)
3431                .bg(cx.theme().status().warning.opacity(0.04))
3432                .child(
3433                    h_flex()
3434                        .gap_1p5()
3435                        .child(
3436                            Icon::new(IconName::Warning)
3437                                .color(Color::Warning)
3438                                .size(IconSize::Small),
3439                        )
3440                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3441                )
3442                .children(description.map(|desc| {
3443                    div().text_ui(cx).child(self.render_markdown(
3444                        desc.clone(),
3445                        default_markdown_style(false, false, window, cx),
3446                    ))
3447                }))
3448                .children(
3449                    configuration_view
3450                        .cloned()
3451                        .map(|view| div().w_full().child(view)),
3452                )
3453                .when(show_description, |el| {
3454                    el.child(
3455                        Label::new(format!(
3456                            "You are not currently authenticated with {}.{}",
3457                            self.agent.name(),
3458                            if auth_methods.len() > 1 {
3459                                " Please choose one of the following options:"
3460                            } else {
3461                                ""
3462                            }
3463                        ))
3464                        .size(LabelSize::Small)
3465                        .color(Color::Muted)
3466                        .mb_1()
3467                        .ml_5(),
3468                    )
3469                })
3470                .when_some(pending_auth_method, |el, _| {
3471                    el.child(
3472                        h_flex()
3473                            .py_4()
3474                            .w_full()
3475                            .justify_center()
3476                            .gap_1()
3477                            .child(
3478                                Icon::new(IconName::ArrowCircle)
3479                                    .size(IconSize::Small)
3480                                    .color(Color::Muted)
3481                                    .with_rotate_animation(2),
3482                            )
3483                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3484                    )
3485                })
3486                .when(!auth_methods.is_empty(), |this| {
3487                    this.child(
3488                        h_flex()
3489                            .justify_end()
3490                            .flex_wrap()
3491                            .gap_1()
3492                            .when(!show_description, |this| {
3493                                this.border_t_1()
3494                                    .mt_1()
3495                                    .pt_2()
3496                                    .border_color(cx.theme().colors().border.opacity(0.8))
3497                            })
3498                            .children(connection.auth_methods().iter().enumerate().rev().map(
3499                                |(ix, method)| {
3500                                    let (method_id, name) = if self
3501                                        .project
3502                                        .read(cx)
3503                                        .is_via_remote_server()
3504                                        && method.id.0.as_ref() == "oauth-personal"
3505                                        && method.name == "Log in with Google"
3506                                    {
3507                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3508                                    } else {
3509                                        (method.id.0.clone(), method.name.clone())
3510                                    };
3511
3512                                    Button::new(SharedString::from(method_id.clone()), name)
3513                                        .label_size(LabelSize::Small)
3514                                        .map(|this| {
3515                                            if ix == 0 {
3516                                                this.style(ButtonStyle::Tinted(TintColor::Warning))
3517                                            } else {
3518                                                this.style(ButtonStyle::Outlined)
3519                                            }
3520                                        })
3521                                        .when_some(
3522                                            method.description.clone(),
3523                                            |this, description| {
3524                                                this.tooltip(Tooltip::text(description))
3525                                            },
3526                                        )
3527                                        .on_click({
3528                                            cx.listener(move |this, _, window, cx| {
3529                                                telemetry::event!(
3530                                                    "Authenticate Agent Started",
3531                                                    agent = this.agent.telemetry_id(),
3532                                                    method = method_id
3533                                                );
3534
3535                                                this.authenticate(
3536                                                    acp::AuthMethodId::new(method_id.clone()),
3537                                                    window,
3538                                                    cx,
3539                                                )
3540                                            })
3541                                        })
3542                                },
3543                            )),
3544                    )
3545                }),
3546        )
3547    }
3548
3549    fn render_load_error(
3550        &self,
3551        e: &LoadError,
3552        window: &mut Window,
3553        cx: &mut Context<Self>,
3554    ) -> AnyElement {
3555        let (title, message, action_slot): (_, SharedString, _) = match e {
3556            LoadError::Unsupported {
3557                command: path,
3558                current_version,
3559                minimum_version,
3560            } => {
3561                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3562            }
3563            LoadError::FailedToInstall(msg) => (
3564                "Failed to Install",
3565                msg.into(),
3566                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3567            ),
3568            LoadError::Exited { status } => (
3569                "Failed to Launch",
3570                format!("Server exited with status {status}").into(),
3571                None,
3572            ),
3573            LoadError::Other(msg) => (
3574                "Failed to Launch",
3575                msg.into(),
3576                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3577            ),
3578        };
3579
3580        Callout::new()
3581            .severity(Severity::Error)
3582            .icon(IconName::XCircleFilled)
3583            .title(title)
3584            .description(message)
3585            .actions_slot(div().children(action_slot))
3586            .into_any_element()
3587    }
3588
3589    fn render_unsupported(
3590        &self,
3591        path: &SharedString,
3592        version: &SharedString,
3593        minimum_version: &SharedString,
3594        _window: &mut Window,
3595        cx: &mut Context<Self>,
3596    ) -> AnyElement {
3597        let (heading_label, description_label) = (
3598            format!("Upgrade {} to work with Zed", self.agent.name()),
3599            if version.is_empty() {
3600                format!(
3601                    "Currently using {}, which does not report a valid --version",
3602                    path,
3603                )
3604            } else {
3605                format!(
3606                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3607                    path, version
3608                )
3609            },
3610        );
3611
3612        v_flex()
3613            .w_full()
3614            .p_3p5()
3615            .gap_2p5()
3616            .border_t_1()
3617            .border_color(cx.theme().colors().border)
3618            .bg(linear_gradient(
3619                180.,
3620                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3621                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3622            ))
3623            .child(
3624                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3625                    Label::new(description_label)
3626                        .size(LabelSize::Small)
3627                        .color(Color::Muted),
3628                ),
3629            )
3630            .into_any_element()
3631    }
3632
3633    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3634        let editor_bg_color = cx.theme().colors().editor_background;
3635        let active_color = cx.theme().colors().element_selected;
3636        editor_bg_color.blend(active_color.opacity(0.3))
3637    }
3638
3639    fn render_activity_bar(
3640        &self,
3641        thread_entity: &Entity<AcpThread>,
3642        window: &mut Window,
3643        cx: &Context<Self>,
3644    ) -> Option<AnyElement> {
3645        let thread = thread_entity.read(cx);
3646        let action_log = thread.action_log();
3647        let telemetry = ActionLogTelemetry::from(thread);
3648        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3649        let plan = thread.plan();
3650
3651        if changed_buffers.is_empty() && plan.is_empty() {
3652            return None;
3653        }
3654
3655        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3656        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3657        // be, which blocks you from being able to accept or reject edits. This switches the
3658        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3659        // block you from using the panel.
3660        let pending_edits = false;
3661
3662        v_flex()
3663            .mt_1()
3664            .mx_2()
3665            .bg(self.activity_bar_bg(cx))
3666            .border_1()
3667            .border_b_0()
3668            .border_color(cx.theme().colors().border)
3669            .rounded_t_md()
3670            .shadow(vec![gpui::BoxShadow {
3671                color: gpui::black().opacity(0.15),
3672                offset: point(px(1.), px(-1.)),
3673                blur_radius: px(3.),
3674                spread_radius: px(0.),
3675            }])
3676            .when(!plan.is_empty(), |this| {
3677                this.child(self.render_plan_summary(plan, window, cx))
3678                    .when(self.plan_expanded, |parent| {
3679                        parent.child(self.render_plan_entries(plan, window, cx))
3680                    })
3681            })
3682            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3683                this.child(Divider::horizontal().color(DividerColor::Border))
3684            })
3685            .when(!changed_buffers.is_empty(), |this| {
3686                this.child(self.render_edits_summary(
3687                    &changed_buffers,
3688                    self.edits_expanded,
3689                    pending_edits,
3690                    cx,
3691                ))
3692                .when(self.edits_expanded, |parent| {
3693                    parent.child(self.render_edited_files(
3694                        action_log,
3695                        telemetry,
3696                        &changed_buffers,
3697                        pending_edits,
3698                        cx,
3699                    ))
3700                })
3701            })
3702            .into_any()
3703            .into()
3704    }
3705
3706    fn render_plan_summary(
3707        &self,
3708        plan: &Plan,
3709        window: &mut Window,
3710        cx: &Context<Self>,
3711    ) -> impl IntoElement {
3712        let stats = plan.stats();
3713
3714        let title = if let Some(entry) = stats.in_progress_entry
3715            && !self.plan_expanded
3716        {
3717            h_flex()
3718                .cursor_default()
3719                .relative()
3720                .w_full()
3721                .gap_1()
3722                .truncate()
3723                .child(
3724                    Label::new("Current:")
3725                        .size(LabelSize::Small)
3726                        .color(Color::Muted),
3727                )
3728                .child(
3729                    div()
3730                        .text_xs()
3731                        .text_color(cx.theme().colors().text_muted)
3732                        .line_clamp(1)
3733                        .child(MarkdownElement::new(
3734                            entry.content.clone(),
3735                            plan_label_markdown_style(&entry.status, window, cx),
3736                        )),
3737                )
3738                .when(stats.pending > 0, |this| {
3739                    this.child(
3740                        h_flex()
3741                            .absolute()
3742                            .top_0()
3743                            .right_0()
3744                            .h_full()
3745                            .child(div().min_w_8().h_full().bg(linear_gradient(
3746                                90.,
3747                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3748                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3749                            )))
3750                            .child(
3751                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3752                                    Label::new(format!("{} left", stats.pending))
3753                                        .size(LabelSize::Small)
3754                                        .color(Color::Muted),
3755                                ),
3756                            ),
3757                    )
3758                })
3759        } else {
3760            let status_label = if stats.pending == 0 {
3761                "All Done".to_string()
3762            } else if stats.completed == 0 {
3763                format!("{} Tasks", plan.entries.len())
3764            } else {
3765                format!("{}/{}", stats.completed, plan.entries.len())
3766            };
3767
3768            h_flex()
3769                .w_full()
3770                .gap_1()
3771                .justify_between()
3772                .child(
3773                    Label::new("Plan")
3774                        .size(LabelSize::Small)
3775                        .color(Color::Muted),
3776                )
3777                .child(
3778                    Label::new(status_label)
3779                        .size(LabelSize::Small)
3780                        .color(Color::Muted)
3781                        .mr_1(),
3782                )
3783        };
3784
3785        h_flex()
3786            .id("plan_summary")
3787            .p_1()
3788            .w_full()
3789            .gap_1()
3790            .when(self.plan_expanded, |this| {
3791                this.border_b_1().border_color(cx.theme().colors().border)
3792            })
3793            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3794            .child(title)
3795            .on_click(cx.listener(|this, _, _, cx| {
3796                this.plan_expanded = !this.plan_expanded;
3797                cx.notify();
3798            }))
3799    }
3800
3801    fn render_plan_entries(
3802        &self,
3803        plan: &Plan,
3804        window: &mut Window,
3805        cx: &Context<Self>,
3806    ) -> impl IntoElement {
3807        v_flex()
3808            .id("plan_items_list")
3809            .max_h_40()
3810            .overflow_y_scroll()
3811            .children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3812                let element = h_flex()
3813                    .py_1()
3814                    .px_2()
3815                    .gap_2()
3816                    .justify_between()
3817                    .bg(cx.theme().colors().editor_background)
3818                    .when(index < plan.entries.len() - 1, |parent| {
3819                        parent.border_color(cx.theme().colors().border).border_b_1()
3820                    })
3821                    .child(
3822                        h_flex()
3823                            .id(("plan_entry", index))
3824                            .gap_1p5()
3825                            .max_w_full()
3826                            .overflow_x_scroll()
3827                            .text_xs()
3828                            .text_color(cx.theme().colors().text_muted)
3829                            .child(match entry.status {
3830                                acp::PlanEntryStatus::InProgress => {
3831                                    Icon::new(IconName::TodoProgress)
3832                                        .size(IconSize::Small)
3833                                        .color(Color::Accent)
3834                                        .with_rotate_animation(2)
3835                                        .into_any_element()
3836                                }
3837                                acp::PlanEntryStatus::Completed => {
3838                                    Icon::new(IconName::TodoComplete)
3839                                        .size(IconSize::Small)
3840                                        .color(Color::Success)
3841                                        .into_any_element()
3842                                }
3843                                acp::PlanEntryStatus::Pending | _ => {
3844                                    Icon::new(IconName::TodoPending)
3845                                        .size(IconSize::Small)
3846                                        .color(Color::Muted)
3847                                        .into_any_element()
3848                                }
3849                            })
3850                            .child(MarkdownElement::new(
3851                                entry.content.clone(),
3852                                plan_label_markdown_style(&entry.status, window, cx),
3853                            )),
3854                    );
3855
3856                Some(element)
3857            }))
3858            .into_any_element()
3859    }
3860
3861    fn render_edits_summary(
3862        &self,
3863        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3864        expanded: bool,
3865        pending_edits: bool,
3866        cx: &Context<Self>,
3867    ) -> Div {
3868        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3869
3870        let focus_handle = self.focus_handle(cx);
3871
3872        h_flex()
3873            .p_1()
3874            .justify_between()
3875            .flex_wrap()
3876            .when(expanded, |this| {
3877                this.border_b_1().border_color(cx.theme().colors().border)
3878            })
3879            .child(
3880                h_flex()
3881                    .id("edits-container")
3882                    .cursor_pointer()
3883                    .gap_1()
3884                    .child(Disclosure::new("edits-disclosure", expanded))
3885                    .map(|this| {
3886                        if pending_edits {
3887                            this.child(
3888                                Label::new(format!(
3889                                    "Editing {} {}",
3890                                    changed_buffers.len(),
3891                                    if changed_buffers.len() == 1 {
3892                                        "file"
3893                                    } else {
3894                                        "files"
3895                                    }
3896                                ))
3897                                .color(Color::Muted)
3898                                .size(LabelSize::Small)
3899                                .with_animation(
3900                                    "edit-label",
3901                                    Animation::new(Duration::from_secs(2))
3902                                        .repeat()
3903                                        .with_easing(pulsating_between(0.3, 0.7)),
3904                                    |label, delta| label.alpha(delta),
3905                                ),
3906                            )
3907                        } else {
3908                            this.child(
3909                                Label::new("Edits")
3910                                    .size(LabelSize::Small)
3911                                    .color(Color::Muted),
3912                            )
3913                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3914                            .child(
3915                                Label::new(format!(
3916                                    "{} {}",
3917                                    changed_buffers.len(),
3918                                    if changed_buffers.len() == 1 {
3919                                        "file"
3920                                    } else {
3921                                        "files"
3922                                    }
3923                                ))
3924                                .size(LabelSize::Small)
3925                                .color(Color::Muted),
3926                            )
3927                        }
3928                    })
3929                    .on_click(cx.listener(|this, _, _, cx| {
3930                        this.edits_expanded = !this.edits_expanded;
3931                        cx.notify();
3932                    })),
3933            )
3934            .child(
3935                h_flex()
3936                    .gap_1()
3937                    .child(
3938                        IconButton::new("review-changes", IconName::ListTodo)
3939                            .icon_size(IconSize::Small)
3940                            .tooltip({
3941                                let focus_handle = focus_handle.clone();
3942                                move |_window, cx| {
3943                                    Tooltip::for_action_in(
3944                                        "Review Changes",
3945                                        &OpenAgentDiff,
3946                                        &focus_handle,
3947                                        cx,
3948                                    )
3949                                }
3950                            })
3951                            .on_click(cx.listener(|_, _, window, cx| {
3952                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3953                            })),
3954                    )
3955                    .child(Divider::vertical().color(DividerColor::Border))
3956                    .child(
3957                        Button::new("reject-all-changes", "Reject All")
3958                            .label_size(LabelSize::Small)
3959                            .disabled(pending_edits)
3960                            .when(pending_edits, |this| {
3961                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3962                            })
3963                            .key_binding(
3964                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
3965                                    .map(|kb| kb.size(rems_from_px(10.))),
3966                            )
3967                            .on_click(cx.listener(move |this, _, window, cx| {
3968                                this.reject_all(&RejectAll, window, cx);
3969                            })),
3970                    )
3971                    .child(
3972                        Button::new("keep-all-changes", "Keep All")
3973                            .label_size(LabelSize::Small)
3974                            .disabled(pending_edits)
3975                            .when(pending_edits, |this| {
3976                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3977                            })
3978                            .key_binding(
3979                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
3980                                    .map(|kb| kb.size(rems_from_px(10.))),
3981                            )
3982                            .on_click(cx.listener(move |this, _, window, cx| {
3983                                this.keep_all(&KeepAll, window, cx);
3984                            })),
3985                    ),
3986            )
3987    }
3988
3989    fn render_edited_files(
3990        &self,
3991        action_log: &Entity<ActionLog>,
3992        telemetry: ActionLogTelemetry,
3993        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3994        pending_edits: bool,
3995        cx: &Context<Self>,
3996    ) -> impl IntoElement {
3997        let editor_bg_color = cx.theme().colors().editor_background;
3998
3999        v_flex()
4000            .id("edited_files_list")
4001            .max_h_40()
4002            .overflow_y_scroll()
4003            .children(
4004                changed_buffers
4005                    .iter()
4006                    .enumerate()
4007                    .flat_map(|(index, (buffer, _diff))| {
4008                        let file = buffer.read(cx).file()?;
4009                        let path = file.path();
4010                        let path_style = file.path_style(cx);
4011                        let separator = file.path_style(cx).primary_separator();
4012
4013                        let file_path = path.parent().and_then(|parent| {
4014                            if parent.is_empty() {
4015                                None
4016                            } else {
4017                                Some(
4018                                    Label::new(format!(
4019                                        "{}{separator}",
4020                                        parent.display(path_style)
4021                                    ))
4022                                    .color(Color::Muted)
4023                                    .size(LabelSize::XSmall)
4024                                    .buffer_font(cx),
4025                                )
4026                            }
4027                        });
4028
4029                        let file_name = path.file_name().map(|name| {
4030                            Label::new(name.to_string())
4031                                .size(LabelSize::XSmall)
4032                                .buffer_font(cx)
4033                                .ml_1p5()
4034                        });
4035
4036                        let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
4037                            .map(Icon::from_path)
4038                            .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
4039                            .unwrap_or_else(|| {
4040                                Icon::new(IconName::File)
4041                                    .color(Color::Muted)
4042                                    .size(IconSize::Small)
4043                            });
4044
4045                        let overlay_gradient = linear_gradient(
4046                            90.,
4047                            linear_color_stop(editor_bg_color, 1.),
4048                            linear_color_stop(editor_bg_color.opacity(0.2), 0.),
4049                        );
4050
4051                        let element = h_flex()
4052                            .group("edited-code")
4053                            .id(("file-container", index))
4054                            .py_1()
4055                            .pl_2()
4056                            .pr_1()
4057                            .gap_2()
4058                            .justify_between()
4059                            .bg(editor_bg_color)
4060                            .when(index < changed_buffers.len() - 1, |parent| {
4061                                parent.border_color(cx.theme().colors().border).border_b_1()
4062                            })
4063                            .child(
4064                                h_flex()
4065                                    .id(("file-name-row", index))
4066                                    .relative()
4067                                    .pr_8()
4068                                    .w_full()
4069                                    .overflow_x_scroll()
4070                                    .child(
4071                                        h_flex()
4072                                            .id(("file-name-path", index))
4073                                            .cursor_pointer()
4074                                            .pr_0p5()
4075                                            .gap_0p5()
4076                                            .hover(|s| s.bg(cx.theme().colors().element_hover))
4077                                            .rounded_xs()
4078                                            .child(file_icon)
4079                                            .children(file_name)
4080                                            .children(file_path)
4081                                            .tooltip(Tooltip::text("Go to File"))
4082                                            .on_click({
4083                                                let buffer = buffer.clone();
4084                                                cx.listener(move |this, _, window, cx| {
4085                                                    this.open_edited_buffer(&buffer, window, cx);
4086                                                })
4087                                            }),
4088                                    )
4089                                    .child(
4090                                        div()
4091                                            .absolute()
4092                                            .h_full()
4093                                            .w_12()
4094                                            .top_0()
4095                                            .bottom_0()
4096                                            .right_0()
4097                                            .bg(overlay_gradient),
4098                                    ),
4099                            )
4100                            .child(
4101                                h_flex()
4102                                    .gap_1()
4103                                    .visible_on_hover("edited-code")
4104                                    .child(
4105                                        Button::new("review", "Review")
4106                                            .label_size(LabelSize::Small)
4107                                            .on_click({
4108                                                let buffer = buffer.clone();
4109                                                cx.listener(move |this, _, window, cx| {
4110                                                    this.open_edited_buffer(&buffer, window, cx);
4111                                                })
4112                                            }),
4113                                    )
4114                                    .child(Divider::vertical().color(DividerColor::BorderVariant))
4115                                    .child(
4116                                        Button::new("reject-file", "Reject")
4117                                            .label_size(LabelSize::Small)
4118                                            .disabled(pending_edits)
4119                                            .on_click({
4120                                                let buffer = buffer.clone();
4121                                                let action_log = action_log.clone();
4122                                                let telemetry = telemetry.clone();
4123                                                move |_, _, cx| {
4124                                                    action_log.update(cx, |action_log, cx| {
4125                                                        action_log
4126                                                    .reject_edits_in_ranges(
4127                                                        buffer.clone(),
4128                                                        vec![Anchor::min_max_range_for_buffer(
4129                                                            buffer.read(cx).remote_id(),
4130                                                        )],
4131                                                        Some(telemetry.clone()),
4132                                                        cx,
4133                                                    )
4134                                                    .detach_and_log_err(cx);
4135                                                    })
4136                                                }
4137                                            }),
4138                                    )
4139                                    .child(
4140                                        Button::new("keep-file", "Keep")
4141                                            .label_size(LabelSize::Small)
4142                                            .disabled(pending_edits)
4143                                            .on_click({
4144                                                let buffer = buffer.clone();
4145                                                let action_log = action_log.clone();
4146                                                let telemetry = telemetry.clone();
4147                                                move |_, _, cx| {
4148                                                    action_log.update(cx, |action_log, cx| {
4149                                                        action_log.keep_edits_in_range(
4150                                                            buffer.clone(),
4151                                                            Anchor::min_max_range_for_buffer(
4152                                                                buffer.read(cx).remote_id(),
4153                                                            ),
4154                                                            Some(telemetry.clone()),
4155                                                            cx,
4156                                                        );
4157                                                    })
4158                                                }
4159                                            }),
4160                                    ),
4161                            );
4162
4163                        Some(element)
4164                    }),
4165            )
4166            .into_any_element()
4167    }
4168
4169    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
4170        let focus_handle = self.message_editor.focus_handle(cx);
4171        let editor_bg_color = cx.theme().colors().editor_background;
4172        let (expand_icon, expand_tooltip) = if self.editor_expanded {
4173            (IconName::Minimize, "Minimize Message Editor")
4174        } else {
4175            (IconName::Maximize, "Expand Message Editor")
4176        };
4177
4178        let backdrop = div()
4179            .size_full()
4180            .absolute()
4181            .inset_0()
4182            .bg(cx.theme().colors().panel_background)
4183            .opacity(0.8)
4184            .block_mouse_except_scroll();
4185
4186        let enable_editor = match self.thread_state {
4187            ThreadState::Ready { .. } => true,
4188            ThreadState::Loading { .. }
4189            | ThreadState::Unauthenticated { .. }
4190            | ThreadState::LoadError(..) => false,
4191        };
4192
4193        v_flex()
4194            .on_action(cx.listener(Self::expand_message_editor))
4195            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
4196                if let Some(profile_selector) = this.profile_selector.as_ref() {
4197                    profile_selector.read(cx).menu_handle().toggle(window, cx);
4198                } else if let Some(mode_selector) = this.mode_selector() {
4199                    mode_selector.read(cx).menu_handle().toggle(window, cx);
4200                }
4201            }))
4202            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
4203                if let Some(mode_selector) = this.mode_selector() {
4204                    mode_selector.update(cx, |mode_selector, cx| {
4205                        mode_selector.cycle_mode(window, cx);
4206                    });
4207                }
4208            }))
4209            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
4210                if let Some(model_selector) = this.model_selector.as_ref() {
4211                    model_selector
4212                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
4213                }
4214            }))
4215            .p_2()
4216            .gap_2()
4217            .border_t_1()
4218            .border_color(cx.theme().colors().border)
4219            .bg(editor_bg_color)
4220            .when(self.editor_expanded, |this| {
4221                this.h(vh(0.8, window)).size_full().justify_between()
4222            })
4223            .child(
4224                v_flex()
4225                    .relative()
4226                    .size_full()
4227                    .pt_1()
4228                    .pr_2p5()
4229                    .child(self.message_editor.clone())
4230                    .child(
4231                        h_flex()
4232                            .absolute()
4233                            .top_0()
4234                            .right_0()
4235                            .opacity(0.5)
4236                            .hover(|this| this.opacity(1.0))
4237                            .child(
4238                                IconButton::new("toggle-height", expand_icon)
4239                                    .icon_size(IconSize::Small)
4240                                    .icon_color(Color::Muted)
4241                                    .tooltip({
4242                                        move |_window, cx| {
4243                                            Tooltip::for_action_in(
4244                                                expand_tooltip,
4245                                                &ExpandMessageEditor,
4246                                                &focus_handle,
4247                                                cx,
4248                                            )
4249                                        }
4250                                    })
4251                                    .on_click(cx.listener(|this, _, window, cx| {
4252                                        this.expand_message_editor(
4253                                            &ExpandMessageEditor,
4254                                            window,
4255                                            cx,
4256                                        );
4257                                    })),
4258                            ),
4259                    ),
4260            )
4261            .child(
4262                h_flex()
4263                    .flex_none()
4264                    .flex_wrap()
4265                    .justify_between()
4266                    .child(
4267                        h_flex()
4268                            .gap_0p5()
4269                            .child(self.render_add_context_button(cx))
4270                            .child(self.render_follow_toggle(cx))
4271                            .children(self.render_burn_mode_toggle(cx)),
4272                    )
4273                    .child(
4274                        h_flex()
4275                            .gap_1()
4276                            .children(self.render_token_usage(cx))
4277                            .children(self.profile_selector.clone())
4278                            .children(self.mode_selector().cloned())
4279                            .children(self.model_selector.clone())
4280                            .child(self.render_send_button(cx)),
4281                    ),
4282            )
4283            .when(!enable_editor, |this| this.child(backdrop))
4284            .into_any()
4285    }
4286
4287    pub(crate) fn as_native_connection(
4288        &self,
4289        cx: &App,
4290    ) -> Option<Rc<agent::NativeAgentConnection>> {
4291        let acp_thread = self.thread()?.read(cx);
4292        acp_thread.connection().clone().downcast()
4293    }
4294
4295    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4296        let acp_thread = self.thread()?.read(cx);
4297        self.as_native_connection(cx)?
4298            .thread(acp_thread.session_id(), cx)
4299    }
4300
4301    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4302        self.as_native_thread(cx)
4303            .and_then(|thread| thread.read(cx).model())
4304            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4305    }
4306
4307    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4308        let thread = self.thread()?.read(cx);
4309        let usage = thread.token_usage()?;
4310        let is_generating = thread.status() != ThreadStatus::Idle;
4311
4312        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4313        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4314
4315        Some(
4316            h_flex()
4317                .flex_shrink_0()
4318                .gap_0p5()
4319                .mr_1p5()
4320                .child(
4321                    Label::new(used)
4322                        .size(LabelSize::Small)
4323                        .color(Color::Muted)
4324                        .map(|label| {
4325                            if is_generating {
4326                                label
4327                                    .with_animation(
4328                                        "used-tokens-label",
4329                                        Animation::new(Duration::from_secs(2))
4330                                            .repeat()
4331                                            .with_easing(pulsating_between(0.3, 0.8)),
4332                                        |label, delta| label.alpha(delta),
4333                                    )
4334                                    .into_any()
4335                            } else {
4336                                label.into_any_element()
4337                            }
4338                        }),
4339                )
4340                .child(
4341                    Label::new("/")
4342                        .size(LabelSize::Small)
4343                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4344                )
4345                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4346        )
4347    }
4348
4349    fn toggle_burn_mode(
4350        &mut self,
4351        _: &ToggleBurnMode,
4352        _window: &mut Window,
4353        cx: &mut Context<Self>,
4354    ) {
4355        let Some(thread) = self.as_native_thread(cx) else {
4356            return;
4357        };
4358
4359        thread.update(cx, |thread, cx| {
4360            let current_mode = thread.completion_mode();
4361            thread.set_completion_mode(
4362                match current_mode {
4363                    CompletionMode::Burn => CompletionMode::Normal,
4364                    CompletionMode::Normal => CompletionMode::Burn,
4365                },
4366                cx,
4367            );
4368        });
4369    }
4370
4371    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4372        let Some(thread) = self.thread() else {
4373            return;
4374        };
4375        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4376        let action_log = thread.read(cx).action_log().clone();
4377        action_log.update(cx, |action_log, cx| {
4378            action_log.keep_all_edits(Some(telemetry), cx)
4379        });
4380    }
4381
4382    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4383        let Some(thread) = self.thread() else {
4384            return;
4385        };
4386        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4387        let action_log = thread.read(cx).action_log().clone();
4388        action_log
4389            .update(cx, |action_log, cx| {
4390                action_log.reject_all_edits(Some(telemetry), cx)
4391            })
4392            .detach();
4393    }
4394
4395    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4396        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4397    }
4398
4399    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4400        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4401    }
4402
4403    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4404        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4405    }
4406
4407    fn authorize_pending_tool_call(
4408        &mut self,
4409        kind: acp::PermissionOptionKind,
4410        window: &mut Window,
4411        cx: &mut Context<Self>,
4412    ) -> Option<()> {
4413        let thread = self.thread()?.read(cx);
4414        let tool_call = thread.first_tool_awaiting_confirmation()?;
4415        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4416            return None;
4417        };
4418        let option = options.iter().find(|o| o.kind == kind)?;
4419
4420        self.authorize_tool_call(
4421            tool_call.id.clone(),
4422            option.option_id.clone(),
4423            option.kind,
4424            window,
4425            cx,
4426        );
4427
4428        Some(())
4429    }
4430
4431    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4432        let thread = self.as_native_thread(cx)?.read(cx);
4433
4434        if thread
4435            .model()
4436            .is_none_or(|model| !model.supports_burn_mode())
4437        {
4438            return None;
4439        }
4440
4441        let active_completion_mode = thread.completion_mode();
4442        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4443        let icon = if burn_mode_enabled {
4444            IconName::ZedBurnModeOn
4445        } else {
4446            IconName::ZedBurnMode
4447        };
4448
4449        Some(
4450            IconButton::new("burn-mode", icon)
4451                .icon_size(IconSize::Small)
4452                .icon_color(Color::Muted)
4453                .toggle_state(burn_mode_enabled)
4454                .selected_icon_color(Color::Error)
4455                .on_click(cx.listener(|this, _event, window, cx| {
4456                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4457                }))
4458                .tooltip(move |_window, cx| {
4459                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4460                        .into()
4461                })
4462                .into_any_element(),
4463        )
4464    }
4465
4466    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4467        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4468        let is_generating = self
4469            .thread()
4470            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4471
4472        if self.is_loading_contents {
4473            div()
4474                .id("loading-message-content")
4475                .px_1()
4476                .tooltip(Tooltip::text("Loading Added Context…"))
4477                .child(loading_contents_spinner(IconSize::default()))
4478                .into_any_element()
4479        } else if is_generating && is_editor_empty {
4480            IconButton::new("stop-generation", IconName::Stop)
4481                .icon_color(Color::Error)
4482                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4483                .tooltip(move |_window, cx| {
4484                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4485                })
4486                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4487                .into_any_element()
4488        } else {
4489            let send_btn_tooltip = if is_editor_empty && !is_generating {
4490                "Type to Send"
4491            } else if is_generating {
4492                "Stop and Send Message"
4493            } else {
4494                "Send"
4495            };
4496
4497            IconButton::new("send-message", IconName::Send)
4498                .style(ButtonStyle::Filled)
4499                .map(|this| {
4500                    if is_editor_empty && !is_generating {
4501                        this.disabled(true).icon_color(Color::Muted)
4502                    } else {
4503                        this.icon_color(Color::Accent)
4504                    }
4505                })
4506                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4507                .on_click(cx.listener(|this, _, window, cx| {
4508                    this.send(window, cx);
4509                }))
4510                .into_any_element()
4511        }
4512    }
4513
4514    fn is_following(&self, cx: &App) -> bool {
4515        match self.thread().map(|thread| thread.read(cx).status()) {
4516            Some(ThreadStatus::Generating) => self
4517                .workspace
4518                .read_with(cx, |workspace, _| {
4519                    workspace.is_being_followed(CollaboratorId::Agent)
4520                })
4521                .unwrap_or(false),
4522            _ => self.should_be_following,
4523        }
4524    }
4525
4526    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4527        let following = self.is_following(cx);
4528
4529        self.should_be_following = !following;
4530        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4531            self.workspace
4532                .update(cx, |workspace, cx| {
4533                    if following {
4534                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4535                    } else {
4536                        workspace.follow(CollaboratorId::Agent, window, cx);
4537                    }
4538                })
4539                .ok();
4540        }
4541
4542        telemetry::event!("Follow Agent Selected", following = !following);
4543    }
4544
4545    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4546        let following = self.is_following(cx);
4547
4548        let tooltip_label = if following {
4549            if self.agent.name() == "Zed Agent" {
4550                format!("Stop Following the {}", self.agent.name())
4551            } else {
4552                format!("Stop Following {}", self.agent.name())
4553            }
4554        } else {
4555            if self.agent.name() == "Zed Agent" {
4556                format!("Follow the {}", self.agent.name())
4557            } else {
4558                format!("Follow {}", self.agent.name())
4559            }
4560        };
4561
4562        IconButton::new("follow-agent", IconName::Crosshair)
4563            .icon_size(IconSize::Small)
4564            .icon_color(Color::Muted)
4565            .toggle_state(following)
4566            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4567            .tooltip(move |_window, cx| {
4568                if following {
4569                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4570                } else {
4571                    Tooltip::with_meta(
4572                        tooltip_label.clone(),
4573                        Some(&Follow),
4574                        "Track the agent's location as it reads and edits files.",
4575                        cx,
4576                    )
4577                }
4578            })
4579            .on_click(cx.listener(move |this, _, window, cx| {
4580                this.toggle_following(window, cx);
4581            }))
4582    }
4583
4584    fn render_add_context_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4585        let message_editor = self.message_editor.clone();
4586        let menu_visible = message_editor.read(cx).is_completions_menu_visible(cx);
4587
4588        IconButton::new("add-context", IconName::AtSign)
4589            .icon_size(IconSize::Small)
4590            .icon_color(Color::Muted)
4591            .when(!menu_visible, |this| {
4592                this.tooltip(move |_window, cx| {
4593                    Tooltip::with_meta("Add Context", None, "Or type @ to include context", cx)
4594                })
4595            })
4596            .on_click(cx.listener(move |_this, _, window, cx| {
4597                let message_editor_clone = message_editor.clone();
4598
4599                window.defer(cx, move |window, cx| {
4600                    message_editor_clone.update(cx, |message_editor, cx| {
4601                        message_editor.trigger_completion_menu(window, cx);
4602                    });
4603                });
4604            }))
4605    }
4606
4607    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4608        let workspace = self.workspace.clone();
4609        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4610            Self::open_link(text, &workspace, window, cx);
4611        })
4612    }
4613
4614    fn open_link(
4615        url: SharedString,
4616        workspace: &WeakEntity<Workspace>,
4617        window: &mut Window,
4618        cx: &mut App,
4619    ) {
4620        let Some(workspace) = workspace.upgrade() else {
4621            cx.open_url(&url);
4622            return;
4623        };
4624
4625        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
4626        {
4627            workspace.update(cx, |workspace, cx| match mention {
4628                MentionUri::File { abs_path } => {
4629                    let project = workspace.project();
4630                    let Some(path) =
4631                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4632                    else {
4633                        return;
4634                    };
4635
4636                    workspace
4637                        .open_path(path, None, true, window, cx)
4638                        .detach_and_log_err(cx);
4639                }
4640                MentionUri::PastedImage => {}
4641                MentionUri::Directory { abs_path } => {
4642                    let project = workspace.project();
4643                    let Some(entry_id) = project.update(cx, |project, cx| {
4644                        let path = project.find_project_path(abs_path, cx)?;
4645                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4646                    }) else {
4647                        return;
4648                    };
4649
4650                    project.update(cx, |_, cx| {
4651                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4652                    });
4653                }
4654                MentionUri::Symbol {
4655                    abs_path: path,
4656                    line_range,
4657                    ..
4658                }
4659                | MentionUri::Selection {
4660                    abs_path: Some(path),
4661                    line_range,
4662                } => {
4663                    let project = workspace.project();
4664                    let Some(path) =
4665                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4666                    else {
4667                        return;
4668                    };
4669
4670                    let item = workspace.open_path(path, None, true, window, cx);
4671                    window
4672                        .spawn(cx, async move |cx| {
4673                            let Some(editor) = item.await?.downcast::<Editor>() else {
4674                                return Ok(());
4675                            };
4676                            let range = Point::new(*line_range.start(), 0)
4677                                ..Point::new(*line_range.start(), 0);
4678                            editor
4679                                .update_in(cx, |editor, window, cx| {
4680                                    editor.change_selections(
4681                                        SelectionEffects::scroll(Autoscroll::center()),
4682                                        window,
4683                                        cx,
4684                                        |s| s.select_ranges(vec![range]),
4685                                    );
4686                                })
4687                                .ok();
4688                            anyhow::Ok(())
4689                        })
4690                        .detach_and_log_err(cx);
4691                }
4692                MentionUri::Selection { abs_path: None, .. } => {}
4693                MentionUri::Thread { id, name } => {
4694                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4695                        panel.update(cx, |panel, cx| {
4696                            panel.load_agent_thread(
4697                                DbThreadMetadata {
4698                                    id,
4699                                    title: name.into(),
4700                                    updated_at: Default::default(),
4701                                },
4702                                window,
4703                                cx,
4704                            )
4705                        });
4706                    }
4707                }
4708                MentionUri::TextThread { path, .. } => {
4709                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4710                        panel.update(cx, |panel, cx| {
4711                            panel
4712                                .open_saved_text_thread(path.as_path().into(), window, cx)
4713                                .detach_and_log_err(cx);
4714                        });
4715                    }
4716                }
4717                MentionUri::Rule { id, .. } => {
4718                    let PromptId::User { uuid } = id else {
4719                        return;
4720                    };
4721                    window.dispatch_action(
4722                        Box::new(OpenRulesLibrary {
4723                            prompt_to_select: Some(uuid.0),
4724                        }),
4725                        cx,
4726                    )
4727                }
4728                MentionUri::Fetch { url } => {
4729                    cx.open_url(url.as_str());
4730                }
4731            })
4732        } else {
4733            cx.open_url(&url);
4734        }
4735    }
4736
4737    fn open_tool_call_location(
4738        &self,
4739        entry_ix: usize,
4740        location_ix: usize,
4741        window: &mut Window,
4742        cx: &mut Context<Self>,
4743    ) -> Option<()> {
4744        let (tool_call_location, agent_location) = self
4745            .thread()?
4746            .read(cx)
4747            .entries()
4748            .get(entry_ix)?
4749            .location(location_ix)?;
4750
4751        let project_path = self
4752            .project
4753            .read(cx)
4754            .find_project_path(&tool_call_location.path, cx)?;
4755
4756        let open_task = self
4757            .workspace
4758            .update(cx, |workspace, cx| {
4759                workspace.open_path(project_path, None, true, window, cx)
4760            })
4761            .log_err()?;
4762        window
4763            .spawn(cx, async move |cx| {
4764                let item = open_task.await?;
4765
4766                let Some(active_editor) = item.downcast::<Editor>() else {
4767                    return anyhow::Ok(());
4768                };
4769
4770                active_editor.update_in(cx, |editor, window, cx| {
4771                    let multibuffer = editor.buffer().read(cx);
4772                    let buffer = multibuffer.as_singleton();
4773                    if agent_location.buffer.upgrade() == buffer {
4774                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4775                        let anchor =
4776                            editor::Anchor::in_buffer(excerpt_id.unwrap(), agent_location.position);
4777                        editor.change_selections(Default::default(), window, cx, |selections| {
4778                            selections.select_anchor_ranges([anchor..anchor]);
4779                        })
4780                    } else {
4781                        let row = tool_call_location.line.unwrap_or_default();
4782                        editor.change_selections(Default::default(), window, cx, |selections| {
4783                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4784                        })
4785                    }
4786                })?;
4787
4788                anyhow::Ok(())
4789            })
4790            .detach_and_log_err(cx);
4791
4792        None
4793    }
4794
4795    pub fn open_thread_as_markdown(
4796        &self,
4797        workspace: Entity<Workspace>,
4798        window: &mut Window,
4799        cx: &mut App,
4800    ) -> Task<Result<()>> {
4801        let markdown_language_task = workspace
4802            .read(cx)
4803            .app_state()
4804            .languages
4805            .language_for_name("Markdown");
4806
4807        let (thread_title, markdown) = if let Some(thread) = self.thread() {
4808            let thread = thread.read(cx);
4809            (thread.title().to_string(), thread.to_markdown(cx))
4810        } else {
4811            return Task::ready(Ok(()));
4812        };
4813
4814        let project = workspace.read(cx).project().clone();
4815        window.spawn(cx, async move |cx| {
4816            let markdown_language = markdown_language_task.await?;
4817
4818            let buffer = project
4819                .update(cx, |project, cx| project.create_buffer(false, cx))?
4820                .await?;
4821
4822            buffer.update(cx, |buffer, cx| {
4823                buffer.set_text(markdown, cx);
4824                buffer.set_language(Some(markdown_language), cx);
4825                buffer.set_capability(language::Capability::ReadWrite, cx);
4826            })?;
4827
4828            workspace.update_in(cx, |workspace, window, cx| {
4829                let buffer = cx
4830                    .new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_title.clone()));
4831
4832                workspace.add_item_to_active_pane(
4833                    Box::new(cx.new(|cx| {
4834                        let mut editor =
4835                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4836                        editor.set_breadcrumb_header(thread_title);
4837                        editor
4838                    })),
4839                    None,
4840                    true,
4841                    window,
4842                    cx,
4843                );
4844            })?;
4845            anyhow::Ok(())
4846        })
4847    }
4848
4849    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4850        self.list_state.scroll_to(ListOffset::default());
4851        cx.notify();
4852    }
4853
4854    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4855        if let Some(thread) = self.thread() {
4856            let entry_count = thread.read(cx).entries().len();
4857            self.list_state.reset(entry_count);
4858            cx.notify();
4859        }
4860    }
4861
4862    fn notify_with_sound(
4863        &mut self,
4864        caption: impl Into<SharedString>,
4865        icon: IconName,
4866        window: &mut Window,
4867        cx: &mut Context<Self>,
4868    ) {
4869        self.play_notification_sound(window, cx);
4870        self.show_notification(caption, icon, window, cx);
4871    }
4872
4873    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4874        let settings = AgentSettings::get_global(cx);
4875        if settings.play_sound_when_agent_done && !window.is_window_active() {
4876            Audio::play_sound(Sound::AgentDone, cx);
4877        }
4878    }
4879
4880    fn show_notification(
4881        &mut self,
4882        caption: impl Into<SharedString>,
4883        icon: IconName,
4884        window: &mut Window,
4885        cx: &mut Context<Self>,
4886    ) {
4887        if !self.notifications.is_empty() {
4888            return;
4889        }
4890
4891        let settings = AgentSettings::get_global(cx);
4892
4893        let window_is_inactive = !window.is_window_active();
4894        let panel_is_hidden = self
4895            .workspace
4896            .upgrade()
4897            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
4898            .unwrap_or(true);
4899
4900        let should_notify = window_is_inactive || panel_is_hidden;
4901
4902        if !should_notify {
4903            return;
4904        }
4905
4906        // TODO: Change this once we have title summarization for external agents.
4907        let title = self.agent.name();
4908
4909        match settings.notify_when_agent_waiting {
4910            NotifyWhenAgentWaiting::PrimaryScreen => {
4911                if let Some(primary) = cx.primary_display() {
4912                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4913                }
4914            }
4915            NotifyWhenAgentWaiting::AllScreens => {
4916                let caption = caption.into();
4917                for screen in cx.displays() {
4918                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4919                }
4920            }
4921            NotifyWhenAgentWaiting::Never => {
4922                // Don't show anything
4923            }
4924        }
4925    }
4926
4927    fn pop_up(
4928        &mut self,
4929        icon: IconName,
4930        caption: SharedString,
4931        title: SharedString,
4932        window: &mut Window,
4933        screen: Rc<dyn PlatformDisplay>,
4934        cx: &mut Context<Self>,
4935    ) {
4936        let options = AgentNotification::window_options(screen, cx);
4937
4938        let project_name = self.workspace.upgrade().and_then(|workspace| {
4939            workspace
4940                .read(cx)
4941                .project()
4942                .read(cx)
4943                .visible_worktrees(cx)
4944                .next()
4945                .map(|worktree| worktree.read(cx).root_name_str().to_string())
4946        });
4947
4948        if let Some(screen_window) = cx
4949            .open_window(options, |_, cx| {
4950                cx.new(|_| {
4951                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4952                })
4953            })
4954            .log_err()
4955            && let Some(pop_up) = screen_window.entity(cx).log_err()
4956        {
4957            self.notification_subscriptions
4958                .entry(screen_window)
4959                .or_insert_with(Vec::new)
4960                .push(cx.subscribe_in(&pop_up, window, {
4961                    |this, _, event, window, cx| match event {
4962                        AgentNotificationEvent::Accepted => {
4963                            let handle = window.window_handle();
4964                            cx.activate(true);
4965
4966                            let workspace_handle = this.workspace.clone();
4967
4968                            // If there are multiple Zed windows, activate the correct one.
4969                            cx.defer(move |cx| {
4970                                handle
4971                                    .update(cx, |_view, window, _cx| {
4972                                        window.activate_window();
4973
4974                                        if let Some(workspace) = workspace_handle.upgrade() {
4975                                            workspace.update(_cx, |workspace, cx| {
4976                                                workspace.focus_panel::<AgentPanel>(window, cx);
4977                                            });
4978                                        }
4979                                    })
4980                                    .log_err();
4981                            });
4982
4983                            this.dismiss_notifications(cx);
4984                        }
4985                        AgentNotificationEvent::Dismissed => {
4986                            this.dismiss_notifications(cx);
4987                        }
4988                    }
4989                }));
4990
4991            self.notifications.push(screen_window);
4992
4993            // If the user manually refocuses the original window, dismiss the popup.
4994            self.notification_subscriptions
4995                .entry(screen_window)
4996                .or_insert_with(Vec::new)
4997                .push({
4998                    let pop_up_weak = pop_up.downgrade();
4999
5000                    cx.observe_window_activation(window, move |_, window, cx| {
5001                        if window.is_window_active()
5002                            && let Some(pop_up) = pop_up_weak.upgrade()
5003                        {
5004                            pop_up.update(cx, |_, cx| {
5005                                cx.emit(AgentNotificationEvent::Dismissed);
5006                            });
5007                        }
5008                    })
5009                });
5010        }
5011    }
5012
5013    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
5014        for window in self.notifications.drain(..) {
5015            window
5016                .update(cx, |_, window, _| {
5017                    window.remove_window();
5018                })
5019                .ok();
5020
5021            self.notification_subscriptions.remove(&window);
5022        }
5023    }
5024
5025    fn render_generating(&self, confirmation: bool) -> impl IntoElement {
5026        h_flex()
5027            .id("generating-spinner")
5028            .py_2()
5029            .px(rems_from_px(22.))
5030            .map(|this| {
5031                if confirmation {
5032                    this.gap_2()
5033                        .child(
5034                            h_flex()
5035                                .w_2()
5036                                .child(SpinnerLabel::sand().size(LabelSize::Small)),
5037                        )
5038                        .child(
5039                            LoadingLabel::new("Waiting Confirmation")
5040                                .size(LabelSize::Small)
5041                                .color(Color::Muted),
5042                        )
5043                } else {
5044                    this.child(SpinnerLabel::new().size(LabelSize::Small))
5045                }
5046            })
5047            .into_any_element()
5048    }
5049
5050    fn render_thread_controls(
5051        &self,
5052        thread: &Entity<AcpThread>,
5053        cx: &Context<Self>,
5054    ) -> impl IntoElement {
5055        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
5056        if is_generating {
5057            return self.render_generating(false).into_any_element();
5058        }
5059
5060        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
5061            .shape(ui::IconButtonShape::Square)
5062            .icon_size(IconSize::Small)
5063            .icon_color(Color::Ignored)
5064            .tooltip(Tooltip::text("Open Thread as Markdown"))
5065            .on_click(cx.listener(move |this, _, window, cx| {
5066                if let Some(workspace) = this.workspace.upgrade() {
5067                    this.open_thread_as_markdown(workspace, window, cx)
5068                        .detach_and_log_err(cx);
5069                }
5070            }));
5071
5072        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
5073            .shape(ui::IconButtonShape::Square)
5074            .icon_size(IconSize::Small)
5075            .icon_color(Color::Ignored)
5076            .tooltip(Tooltip::text("Scroll To Top"))
5077            .on_click(cx.listener(move |this, _, _, cx| {
5078                this.scroll_to_top(cx);
5079            }));
5080
5081        let mut container = h_flex()
5082            .w_full()
5083            .py_2()
5084            .px_5()
5085            .gap_px()
5086            .opacity(0.6)
5087            .hover(|s| s.opacity(1.))
5088            .justify_end();
5089
5090        if AgentSettings::get_global(cx).enable_feedback
5091            && self
5092                .thread()
5093                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
5094        {
5095            let feedback = self.thread_feedback.feedback;
5096
5097            let tooltip_meta = || {
5098                SharedString::new(
5099                    "Rating the thread sends all of your current conversation to the Zed team.",
5100                )
5101            };
5102
5103            container = container
5104                .child(
5105                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
5106                        .shape(ui::IconButtonShape::Square)
5107                        .icon_size(IconSize::Small)
5108                        .icon_color(match feedback {
5109                            Some(ThreadFeedback::Positive) => Color::Accent,
5110                            _ => Color::Ignored,
5111                        })
5112                        .tooltip(move |window, cx| match feedback {
5113                            Some(ThreadFeedback::Positive) => {
5114                                Tooltip::text("Thanks for your feedback!")(window, cx)
5115                            }
5116                            _ => Tooltip::with_meta("Helpful Response", None, tooltip_meta(), cx),
5117                        })
5118                        .on_click(cx.listener(move |this, _, window, cx| {
5119                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
5120                        })),
5121                )
5122                .child(
5123                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
5124                        .shape(ui::IconButtonShape::Square)
5125                        .icon_size(IconSize::Small)
5126                        .icon_color(match feedback {
5127                            Some(ThreadFeedback::Negative) => Color::Accent,
5128                            _ => Color::Ignored,
5129                        })
5130                        .tooltip(move |window, cx| match feedback {
5131                            Some(ThreadFeedback::Negative) => {
5132                                Tooltip::text(
5133                                    "We appreciate your feedback and will use it to improve in the future.",
5134                                )(window, cx)
5135                            }
5136                            _ => {
5137                                Tooltip::with_meta("Not Helpful Response", None, tooltip_meta(), cx)
5138                            }
5139                        })
5140                        .on_click(cx.listener(move |this, _, window, cx| {
5141                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
5142                        })),
5143                );
5144        }
5145
5146        container
5147            .child(open_as_markdown)
5148            .child(scroll_to_top)
5149            .into_any_element()
5150    }
5151
5152    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
5153        h_flex()
5154            .key_context("AgentFeedbackMessageEditor")
5155            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
5156                this.thread_feedback.dismiss_comments();
5157                cx.notify();
5158            }))
5159            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
5160                this.submit_feedback_message(cx);
5161            }))
5162            .p_2()
5163            .mb_2()
5164            .mx_5()
5165            .gap_1()
5166            .rounded_md()
5167            .border_1()
5168            .border_color(cx.theme().colors().border)
5169            .bg(cx.theme().colors().editor_background)
5170            .child(div().w_full().child(editor))
5171            .child(
5172                h_flex()
5173                    .child(
5174                        IconButton::new("dismiss-feedback-message", IconName::Close)
5175                            .icon_color(Color::Error)
5176                            .icon_size(IconSize::XSmall)
5177                            .shape(ui::IconButtonShape::Square)
5178                            .on_click(cx.listener(move |this, _, _window, cx| {
5179                                this.thread_feedback.dismiss_comments();
5180                                cx.notify();
5181                            })),
5182                    )
5183                    .child(
5184                        IconButton::new("submit-feedback-message", IconName::Return)
5185                            .icon_size(IconSize::XSmall)
5186                            .shape(ui::IconButtonShape::Square)
5187                            .on_click(cx.listener(move |this, _, _window, cx| {
5188                                this.submit_feedback_message(cx);
5189                            })),
5190                    ),
5191            )
5192    }
5193
5194    fn handle_feedback_click(
5195        &mut self,
5196        feedback: ThreadFeedback,
5197        window: &mut Window,
5198        cx: &mut Context<Self>,
5199    ) {
5200        let Some(thread) = self.thread().cloned() else {
5201            return;
5202        };
5203
5204        self.thread_feedback.submit(thread, feedback, window, cx);
5205        cx.notify();
5206    }
5207
5208    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
5209        let Some(thread) = self.thread().cloned() else {
5210            return;
5211        };
5212
5213        self.thread_feedback.submit_comments(thread, cx);
5214        cx.notify();
5215    }
5216
5217    fn render_token_limit_callout(
5218        &self,
5219        line_height: Pixels,
5220        cx: &mut Context<Self>,
5221    ) -> Option<Callout> {
5222        let token_usage = self.thread()?.read(cx).token_usage()?;
5223        let ratio = token_usage.ratio();
5224
5225        let (severity, title) = match ratio {
5226            acp_thread::TokenUsageRatio::Normal => return None,
5227            acp_thread::TokenUsageRatio::Warning => {
5228                (Severity::Warning, "Thread reaching the token limit soon")
5229            }
5230            acp_thread::TokenUsageRatio::Exceeded => {
5231                (Severity::Error, "Thread reached the token limit")
5232            }
5233        };
5234
5235        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
5236            thread.read(cx).completion_mode() == CompletionMode::Normal
5237                && thread
5238                    .read(cx)
5239                    .model()
5240                    .is_some_and(|model| model.supports_burn_mode())
5241        });
5242
5243        let description = if burn_mode_available {
5244            "To continue, start a new thread from a summary or turn Burn Mode on."
5245        } else {
5246            "To continue, start a new thread from a summary."
5247        };
5248
5249        Some(
5250            Callout::new()
5251                .severity(severity)
5252                .line_height(line_height)
5253                .title(title)
5254                .description(description)
5255                .actions_slot(
5256                    h_flex()
5257                        .gap_0p5()
5258                        .child(
5259                            Button::new("start-new-thread", "Start New Thread")
5260                                .label_size(LabelSize::Small)
5261                                .on_click(cx.listener(|this, _, window, cx| {
5262                                    let Some(thread) = this.thread() else {
5263                                        return;
5264                                    };
5265                                    let session_id = thread.read(cx).session_id().clone();
5266                                    window.dispatch_action(
5267                                        crate::NewNativeAgentThreadFromSummary {
5268                                            from_session_id: session_id,
5269                                        }
5270                                        .boxed_clone(),
5271                                        cx,
5272                                    );
5273                                })),
5274                        )
5275                        .when(burn_mode_available, |this| {
5276                            this.child(
5277                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
5278                                    .icon_size(IconSize::XSmall)
5279                                    .on_click(cx.listener(|this, _event, window, cx| {
5280                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5281                                    })),
5282                            )
5283                        }),
5284                ),
5285        )
5286    }
5287
5288    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
5289        if !self.is_using_zed_ai_models(cx) {
5290            return None;
5291        }
5292
5293        let user_store = self.project.read(cx).user_store().read(cx);
5294        if user_store.is_usage_based_billing_enabled() {
5295            return None;
5296        }
5297
5298        let plan = user_store
5299            .plan()
5300            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
5301
5302        let usage = user_store.model_request_usage()?;
5303
5304        Some(
5305            div()
5306                .child(UsageCallout::new(plan, usage))
5307                .line_height(line_height),
5308        )
5309    }
5310
5311    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
5312        self.entry_view_state.update(cx, |entry_view_state, cx| {
5313            entry_view_state.agent_ui_font_size_changed(cx);
5314        });
5315    }
5316
5317    pub(crate) fn insert_dragged_files(
5318        &self,
5319        paths: Vec<project::ProjectPath>,
5320        added_worktrees: Vec<Entity<project::Worktree>>,
5321        window: &mut Window,
5322        cx: &mut Context<Self>,
5323    ) {
5324        self.message_editor.update(cx, |message_editor, cx| {
5325            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5326        })
5327    }
5328
5329    /// Inserts the selected text into the message editor or the message being
5330    /// edited, if any.
5331    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5332        self.active_editor(cx).update(cx, |editor, cx| {
5333            editor.insert_selections(window, cx);
5334        });
5335    }
5336
5337    fn render_thread_retry_status_callout(
5338        &self,
5339        _window: &mut Window,
5340        _cx: &mut Context<Self>,
5341    ) -> Option<Callout> {
5342        let state = self.thread_retry_status.as_ref()?;
5343
5344        let next_attempt_in = state
5345            .duration
5346            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5347        if next_attempt_in.is_zero() {
5348            return None;
5349        }
5350
5351        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5352
5353        let retry_message = if state.max_attempts == 1 {
5354            if next_attempt_in_secs == 1 {
5355                "Retrying. Next attempt in 1 second.".to_string()
5356            } else {
5357                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5358            }
5359        } else if next_attempt_in_secs == 1 {
5360            format!(
5361                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5362                state.attempt, state.max_attempts,
5363            )
5364        } else {
5365            format!(
5366                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5367                state.attempt, state.max_attempts,
5368            )
5369        };
5370
5371        Some(
5372            Callout::new()
5373                .severity(Severity::Warning)
5374                .title(state.last_error.clone())
5375                .description(retry_message),
5376        )
5377    }
5378
5379    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Option<Callout> {
5380        if self.show_codex_windows_warning {
5381            Some(
5382                Callout::new()
5383                    .icon(IconName::Warning)
5384                    .severity(Severity::Warning)
5385                    .title("Codex on Windows")
5386                    .description(
5387                        "For best performance, run Codex in Windows Subsystem for Linux (WSL2)",
5388                    )
5389                    .actions_slot(
5390                        Button::new("open-wsl-modal", "Open in WSL")
5391                            .icon_size(IconSize::Small)
5392                            .icon_color(Color::Muted)
5393                            .on_click(cx.listener({
5394                                move |_, _, _window, cx| {
5395                                    #[cfg(windows)]
5396                                    _window.dispatch_action(
5397                                        zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5398                                        cx,
5399                                    );
5400                                    cx.notify();
5401                                }
5402                            })),
5403                    )
5404                    .dismiss_action(
5405                        IconButton::new("dismiss", IconName::Close)
5406                            .icon_size(IconSize::Small)
5407                            .icon_color(Color::Muted)
5408                            .tooltip(Tooltip::text("Dismiss Warning"))
5409                            .on_click(cx.listener({
5410                                move |this, _, _, cx| {
5411                                    this.show_codex_windows_warning = false;
5412                                    cx.notify();
5413                                }
5414                            })),
5415                    ),
5416            )
5417        } else {
5418            None
5419        }
5420    }
5421
5422    fn render_thread_error(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
5423        let content = match self.thread_error.as_ref()? {
5424            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), window, cx),
5425            ThreadError::Refusal => self.render_refusal_error(cx),
5426            ThreadError::AuthenticationRequired(error) => {
5427                self.render_authentication_required_error(error.clone(), cx)
5428            }
5429            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5430            ThreadError::ModelRequestLimitReached(plan) => {
5431                self.render_model_request_limit_reached_error(*plan, cx)
5432            }
5433            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5434        };
5435
5436        Some(div().child(content))
5437    }
5438
5439    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5440        v_flex().w_full().justify_end().child(
5441            h_flex()
5442                .p_2()
5443                .pr_3()
5444                .w_full()
5445                .gap_1p5()
5446                .border_t_1()
5447                .border_color(cx.theme().colors().border)
5448                .bg(cx.theme().colors().element_background)
5449                .child(
5450                    h_flex()
5451                        .flex_1()
5452                        .gap_1p5()
5453                        .child(
5454                            Icon::new(IconName::Download)
5455                                .color(Color::Accent)
5456                                .size(IconSize::Small),
5457                        )
5458                        .child(Label::new("New version available").size(LabelSize::Small)),
5459                )
5460                .child(
5461                    Button::new("update-button", format!("Update to v{}", version))
5462                        .label_size(LabelSize::Small)
5463                        .style(ButtonStyle::Tinted(TintColor::Accent))
5464                        .on_click(cx.listener(|this, _, window, cx| {
5465                            this.reset(window, cx);
5466                        })),
5467                ),
5468        )
5469    }
5470
5471    fn current_mode_id(&self, cx: &App) -> Option<Arc<str>> {
5472        if let Some(thread) = self.as_native_thread(cx) {
5473            Some(thread.read(cx).profile().0.clone())
5474        } else if let Some(mode_selector) = self.mode_selector() {
5475            Some(mode_selector.read(cx).mode().0)
5476        } else {
5477            None
5478        }
5479    }
5480
5481    fn current_model_id(&self, cx: &App) -> Option<String> {
5482        self.model_selector
5483            .as_ref()
5484            .and_then(|selector| selector.read(cx).active_model(cx).map(|m| m.id.to_string()))
5485    }
5486
5487    fn current_model_name(&self, cx: &App) -> SharedString {
5488        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5489        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5490        // This provides better clarity about what refused the request
5491        if self.as_native_connection(cx).is_some() {
5492            self.model_selector
5493                .as_ref()
5494                .and_then(|selector| selector.read(cx).active_model(cx))
5495                .map(|model| model.name.clone())
5496                .unwrap_or_else(|| SharedString::from("The model"))
5497        } else {
5498            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5499            self.agent.name()
5500        }
5501    }
5502
5503    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5504        let model_or_agent_name = self.current_model_name(cx);
5505        let refusal_message = format!(
5506            "{} refused to respond to this prompt. This can happen when a model believes the prompt violates its content policy or safety guidelines, so rephrasing it can sometimes address the issue.",
5507            model_or_agent_name
5508        );
5509
5510        Callout::new()
5511            .severity(Severity::Error)
5512            .title("Request Refused")
5513            .icon(IconName::XCircle)
5514            .description(refusal_message.clone())
5515            .actions_slot(self.create_copy_button(&refusal_message))
5516            .dismiss_action(self.dismiss_error_button(cx))
5517    }
5518
5519    fn render_any_thread_error(
5520        &mut self,
5521        error: SharedString,
5522        window: &mut Window,
5523        cx: &mut Context<'_, Self>,
5524    ) -> Callout {
5525        let can_resume = self
5526            .thread()
5527            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5528
5529        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5530            let thread = thread.read(cx);
5531            let supports_burn_mode = thread
5532                .model()
5533                .map_or(false, |model| model.supports_burn_mode());
5534            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5535        });
5536
5537        let markdown = if let Some(markdown) = &self.thread_error_markdown {
5538            markdown.clone()
5539        } else {
5540            let markdown = cx.new(|cx| Markdown::new(error.clone(), None, None, cx));
5541            self.thread_error_markdown = Some(markdown.clone());
5542            markdown
5543        };
5544
5545        let markdown_style = default_markdown_style(false, true, window, cx);
5546        let description = self
5547            .render_markdown(markdown, markdown_style)
5548            .into_any_element();
5549
5550        Callout::new()
5551            .severity(Severity::Error)
5552            .icon(IconName::XCircle)
5553            .title("An Error Happened")
5554            .description_slot(description)
5555            .actions_slot(
5556                h_flex()
5557                    .gap_0p5()
5558                    .when(can_resume && can_enable_burn_mode, |this| {
5559                        this.child(
5560                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5561                                .icon(IconName::ZedBurnMode)
5562                                .icon_position(IconPosition::Start)
5563                                .icon_size(IconSize::Small)
5564                                .label_size(LabelSize::Small)
5565                                .on_click(cx.listener(|this, _, window, cx| {
5566                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5567                                    this.resume_chat(cx);
5568                                })),
5569                        )
5570                    })
5571                    .when(can_resume, |this| {
5572                        this.child(
5573                            IconButton::new("retry", IconName::RotateCw)
5574                                .icon_size(IconSize::Small)
5575                                .tooltip(Tooltip::text("Retry Generation"))
5576                                .on_click(cx.listener(|this, _, _window, cx| {
5577                                    this.resume_chat(cx);
5578                                })),
5579                        )
5580                    })
5581                    .child(self.create_copy_button(error.to_string())),
5582            )
5583            .dismiss_action(self.dismiss_error_button(cx))
5584    }
5585
5586    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5587        const ERROR_MESSAGE: &str =
5588            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5589
5590        Callout::new()
5591            .severity(Severity::Error)
5592            .icon(IconName::XCircle)
5593            .title("Free Usage Exceeded")
5594            .description(ERROR_MESSAGE)
5595            .actions_slot(
5596                h_flex()
5597                    .gap_0p5()
5598                    .child(self.upgrade_button(cx))
5599                    .child(self.create_copy_button(ERROR_MESSAGE)),
5600            )
5601            .dismiss_action(self.dismiss_error_button(cx))
5602    }
5603
5604    fn render_authentication_required_error(
5605        &self,
5606        error: SharedString,
5607        cx: &mut Context<Self>,
5608    ) -> Callout {
5609        Callout::new()
5610            .severity(Severity::Error)
5611            .title("Authentication Required")
5612            .icon(IconName::XCircle)
5613            .description(error.clone())
5614            .actions_slot(
5615                h_flex()
5616                    .gap_0p5()
5617                    .child(self.authenticate_button(cx))
5618                    .child(self.create_copy_button(error)),
5619            )
5620            .dismiss_action(self.dismiss_error_button(cx))
5621    }
5622
5623    fn render_model_request_limit_reached_error(
5624        &self,
5625        plan: cloud_llm_client::Plan,
5626        cx: &mut Context<Self>,
5627    ) -> Callout {
5628        let error_message = match plan {
5629            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5630                "Upgrade to usage-based billing for more prompts."
5631            }
5632            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5633            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5634            cloud_llm_client::Plan::V2(_) => "",
5635        };
5636
5637        Callout::new()
5638            .severity(Severity::Error)
5639            .title("Model Prompt Limit Reached")
5640            .icon(IconName::XCircle)
5641            .description(error_message)
5642            .actions_slot(
5643                h_flex()
5644                    .gap_0p5()
5645                    .child(self.upgrade_button(cx))
5646                    .child(self.create_copy_button(error_message)),
5647            )
5648            .dismiss_action(self.dismiss_error_button(cx))
5649    }
5650
5651    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5652        let thread = self.as_native_thread(cx)?;
5653        let supports_burn_mode = thread
5654            .read(cx)
5655            .model()
5656            .is_some_and(|model| model.supports_burn_mode());
5657
5658        let focus_handle = self.focus_handle(cx);
5659
5660        Some(
5661            Callout::new()
5662                .icon(IconName::Info)
5663                .title("Consecutive tool use limit reached.")
5664                .actions_slot(
5665                    h_flex()
5666                        .gap_0p5()
5667                        .when(supports_burn_mode, |this| {
5668                            this.child(
5669                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5670                                    .style(ButtonStyle::Filled)
5671                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5672                                    .layer(ElevationIndex::ModalSurface)
5673                                    .label_size(LabelSize::Small)
5674                                    .key_binding(
5675                                        KeyBinding::for_action_in(
5676                                            &ContinueWithBurnMode,
5677                                            &focus_handle,
5678                                            cx,
5679                                        )
5680                                        .map(|kb| kb.size(rems_from_px(10.))),
5681                                    )
5682                                    .tooltip(Tooltip::text(
5683                                        "Enable Burn Mode for unlimited tool use.",
5684                                    ))
5685                                    .on_click({
5686                                        cx.listener(move |this, _, _window, cx| {
5687                                            thread.update(cx, |thread, cx| {
5688                                                thread
5689                                                    .set_completion_mode(CompletionMode::Burn, cx);
5690                                            });
5691                                            this.resume_chat(cx);
5692                                        })
5693                                    }),
5694                            )
5695                        })
5696                        .child(
5697                            Button::new("continue-conversation", "Continue")
5698                                .layer(ElevationIndex::ModalSurface)
5699                                .label_size(LabelSize::Small)
5700                                .key_binding(
5701                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5702                                        .map(|kb| kb.size(rems_from_px(10.))),
5703                                )
5704                                .on_click(cx.listener(|this, _, _window, cx| {
5705                                    this.resume_chat(cx);
5706                                })),
5707                        ),
5708                ),
5709        )
5710    }
5711
5712    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5713        let message = message.into();
5714
5715        IconButton::new("copy", IconName::Copy)
5716            .icon_size(IconSize::Small)
5717            .tooltip(Tooltip::text("Copy Error Message"))
5718            .on_click(move |_, _, cx| {
5719                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5720            })
5721    }
5722
5723    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5724        IconButton::new("dismiss", IconName::Close)
5725            .icon_size(IconSize::Small)
5726            .tooltip(Tooltip::text("Dismiss Error"))
5727            .on_click(cx.listener({
5728                move |this, _, _, cx| {
5729                    this.clear_thread_error(cx);
5730                    cx.notify();
5731                }
5732            }))
5733    }
5734
5735    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5736        Button::new("authenticate", "Authenticate")
5737            .label_size(LabelSize::Small)
5738            .style(ButtonStyle::Filled)
5739            .on_click(cx.listener({
5740                move |this, _, window, cx| {
5741                    let agent = this.agent.clone();
5742                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5743                        return;
5744                    };
5745
5746                    let connection = thread.read(cx).connection().clone();
5747                    let err = AuthRequired {
5748                        description: None,
5749                        provider_id: None,
5750                    };
5751                    this.clear_thread_error(cx);
5752                    if let Some(message) = this.in_flight_prompt.take() {
5753                        this.message_editor.update(cx, |editor, cx| {
5754                            editor.set_message(message, window, cx);
5755                        });
5756                    }
5757                    let this = cx.weak_entity();
5758                    window.defer(cx, |window, cx| {
5759                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5760                    })
5761                }
5762            }))
5763    }
5764
5765    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5766        let agent = self.agent.clone();
5767        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5768            return;
5769        };
5770
5771        let connection = thread.read(cx).connection().clone();
5772        let err = AuthRequired {
5773            description: None,
5774            provider_id: None,
5775        };
5776        self.clear_thread_error(cx);
5777        let this = cx.weak_entity();
5778        window.defer(cx, |window, cx| {
5779            Self::handle_auth_required(this, err, agent, connection, window, cx);
5780        })
5781    }
5782
5783    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5784        Button::new("upgrade", "Upgrade")
5785            .label_size(LabelSize::Small)
5786            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5787            .on_click(cx.listener({
5788                move |this, _, _, cx| {
5789                    this.clear_thread_error(cx);
5790                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5791                }
5792            }))
5793    }
5794
5795    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5796        let task = match entry {
5797            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5798                history.delete_thread(thread.id.clone(), cx)
5799            }),
5800            HistoryEntry::TextThread(text_thread) => {
5801                self.history_store.update(cx, |history, cx| {
5802                    history.delete_text_thread(text_thread.path.clone(), cx)
5803                })
5804            }
5805        };
5806        task.detach_and_log_err(cx);
5807    }
5808
5809    /// Returns the currently active editor, either for a message that is being
5810    /// edited or the editor for a new message.
5811    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5812        if let Some(index) = self.editing_message
5813            && let Some(editor) = self
5814                .entry_view_state
5815                .read(cx)
5816                .entry(index)
5817                .and_then(|e| e.message_editor())
5818                .cloned()
5819        {
5820            editor
5821        } else {
5822            self.message_editor.clone()
5823        }
5824    }
5825}
5826
5827fn loading_contents_spinner(size: IconSize) -> AnyElement {
5828    Icon::new(IconName::LoadCircle)
5829        .size(size)
5830        .color(Color::Accent)
5831        .with_rotate_animation(3)
5832        .into_any_element()
5833}
5834
5835fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
5836    if agent_name == "Zed Agent" {
5837        format!("Message the {} — @ to include context", agent_name)
5838    } else if has_commands {
5839        format!(
5840            "Message {} — @ to include context, / for commands",
5841            agent_name
5842        )
5843    } else {
5844        format!("Message {} — @ to include context", agent_name)
5845    }
5846}
5847
5848impl Focusable for AcpThreadView {
5849    fn focus_handle(&self, cx: &App) -> FocusHandle {
5850        match self.thread_state {
5851            ThreadState::Ready { .. } => self.active_editor(cx).focus_handle(cx),
5852            ThreadState::Loading { .. }
5853            | ThreadState::LoadError(_)
5854            | ThreadState::Unauthenticated { .. } => self.focus_handle.clone(),
5855        }
5856    }
5857}
5858
5859impl Render for AcpThreadView {
5860    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5861        let has_messages = self.list_state.item_count() > 0;
5862        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5863
5864        v_flex()
5865            .size_full()
5866            .key_context("AcpThread")
5867            .on_action(cx.listener(Self::toggle_burn_mode))
5868            .on_action(cx.listener(Self::keep_all))
5869            .on_action(cx.listener(Self::reject_all))
5870            .on_action(cx.listener(Self::allow_always))
5871            .on_action(cx.listener(Self::allow_once))
5872            .on_action(cx.listener(Self::reject_once))
5873            .track_focus(&self.focus_handle)
5874            .bg(cx.theme().colors().panel_background)
5875            .child(match &self.thread_state {
5876                ThreadState::Unauthenticated {
5877                    connection,
5878                    description,
5879                    configuration_view,
5880                    pending_auth_method,
5881                    ..
5882                } => self
5883                    .render_auth_required_state(
5884                        connection,
5885                        description.as_ref(),
5886                        configuration_view.as_ref(),
5887                        pending_auth_method.as_ref(),
5888                        window,
5889                        cx,
5890                    )
5891                    .into_any(),
5892                ThreadState::Loading { .. } => v_flex()
5893                    .flex_1()
5894                    .child(self.render_recent_history(cx))
5895                    .into_any(),
5896                ThreadState::LoadError(e) => v_flex()
5897                    .flex_1()
5898                    .size_full()
5899                    .items_center()
5900                    .justify_end()
5901                    .child(self.render_load_error(e, window, cx))
5902                    .into_any(),
5903                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5904                    if has_messages {
5905                        this.child(
5906                            list(
5907                                self.list_state.clone(),
5908                                cx.processor(|this, index: usize, window, cx| {
5909                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5910                                        let entries = &thread.read(cx).entries();
5911                                        Some((entries.get(index)?, entries.len()))
5912                                    }) else {
5913                                        return Empty.into_any();
5914                                    };
5915                                    this.render_entry(index, len, entry, window, cx)
5916                                }),
5917                            )
5918                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5919                            .flex_grow()
5920                            .into_any(),
5921                        )
5922                        .vertical_scrollbar_for(&self.list_state, window, cx)
5923                        .into_any()
5924                    } else {
5925                        this.child(self.render_recent_history(cx)).into_any()
5926                    }
5927                }),
5928            })
5929            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5930            // above so that the scrollbar doesn't render behind it. The current setup allows
5931            // the scrollbar to stop exactly at the activity bar start.
5932            .when(has_messages, |this| match &self.thread_state {
5933                ThreadState::Ready { thread, .. } => {
5934                    this.children(self.render_activity_bar(thread, window, cx))
5935                }
5936                _ => this,
5937            })
5938            .children(self.render_thread_retry_status_callout(window, cx))
5939            .children({
5940                if cfg!(windows) && self.project.read(cx).is_local() {
5941                    self.render_codex_windows_warning(cx)
5942                } else {
5943                    None
5944                }
5945            })
5946            .children(self.render_thread_error(window, cx))
5947            .when_some(
5948                self.new_server_version_available.as_ref().filter(|_| {
5949                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5950                }),
5951                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5952            )
5953            .children(
5954                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5955                    Some(usage_callout.into_any_element())
5956                } else {
5957                    self.render_token_limit_callout(line_height, cx)
5958                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5959                },
5960            )
5961            .child(self.render_message_editor(window, cx))
5962    }
5963}
5964
5965fn default_markdown_style(
5966    buffer_font: bool,
5967    muted_text: bool,
5968    window: &Window,
5969    cx: &App,
5970) -> MarkdownStyle {
5971    let theme_settings = ThemeSettings::get_global(cx);
5972    let colors = cx.theme().colors();
5973
5974    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
5975
5976    let mut text_style = window.text_style();
5977    let line_height = buffer_font_size * 1.75;
5978
5979    let font_family = if buffer_font {
5980        theme_settings.buffer_font.family.clone()
5981    } else {
5982        theme_settings.ui_font.family.clone()
5983    };
5984
5985    let font_size = if buffer_font {
5986        theme_settings.agent_buffer_font_size(cx)
5987    } else {
5988        theme_settings.agent_ui_font_size(cx)
5989    };
5990
5991    let text_color = if muted_text {
5992        colors.text_muted
5993    } else {
5994        colors.text
5995    };
5996
5997    text_style.refine(&TextStyleRefinement {
5998        font_family: Some(font_family),
5999        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
6000        font_features: Some(theme_settings.ui_font.features.clone()),
6001        font_size: Some(font_size.into()),
6002        line_height: Some(line_height.into()),
6003        color: Some(text_color),
6004        ..Default::default()
6005    });
6006
6007    MarkdownStyle {
6008        base_text_style: text_style.clone(),
6009        syntax: cx.theme().syntax().clone(),
6010        selection_background_color: colors.element_selection_background,
6011        code_block_overflow_x_scroll: true,
6012        heading_level_styles: Some(HeadingLevelStyles {
6013            h1: Some(TextStyleRefinement {
6014                font_size: Some(rems(1.15).into()),
6015                ..Default::default()
6016            }),
6017            h2: Some(TextStyleRefinement {
6018                font_size: Some(rems(1.1).into()),
6019                ..Default::default()
6020            }),
6021            h3: Some(TextStyleRefinement {
6022                font_size: Some(rems(1.05).into()),
6023                ..Default::default()
6024            }),
6025            h4: Some(TextStyleRefinement {
6026                font_size: Some(rems(1.).into()),
6027                ..Default::default()
6028            }),
6029            h5: Some(TextStyleRefinement {
6030                font_size: Some(rems(0.95).into()),
6031                ..Default::default()
6032            }),
6033            h6: Some(TextStyleRefinement {
6034                font_size: Some(rems(0.875).into()),
6035                ..Default::default()
6036            }),
6037        }),
6038        code_block: StyleRefinement {
6039            padding: EdgesRefinement {
6040                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6041                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6042                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6043                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6044            },
6045            margin: EdgesRefinement {
6046                top: Some(Length::Definite(px(8.).into())),
6047                left: Some(Length::Definite(px(0.).into())),
6048                right: Some(Length::Definite(px(0.).into())),
6049                bottom: Some(Length::Definite(px(12.).into())),
6050            },
6051            border_style: Some(BorderStyle::Solid),
6052            border_widths: EdgesRefinement {
6053                top: Some(AbsoluteLength::Pixels(px(1.))),
6054                left: Some(AbsoluteLength::Pixels(px(1.))),
6055                right: Some(AbsoluteLength::Pixels(px(1.))),
6056                bottom: Some(AbsoluteLength::Pixels(px(1.))),
6057            },
6058            border_color: Some(colors.border_variant),
6059            background: Some(colors.editor_background.into()),
6060            text: Some(TextStyleRefinement {
6061                font_family: Some(theme_settings.buffer_font.family.clone()),
6062                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6063                font_features: Some(theme_settings.buffer_font.features.clone()),
6064                font_size: Some(buffer_font_size.into()),
6065                ..Default::default()
6066            }),
6067            ..Default::default()
6068        },
6069        inline_code: TextStyleRefinement {
6070            font_family: Some(theme_settings.buffer_font.family.clone()),
6071            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6072            font_features: Some(theme_settings.buffer_font.features.clone()),
6073            font_size: Some(buffer_font_size.into()),
6074            background_color: Some(colors.editor_foreground.opacity(0.08)),
6075            ..Default::default()
6076        },
6077        link: TextStyleRefinement {
6078            background_color: Some(colors.editor_foreground.opacity(0.025)),
6079            color: Some(colors.text_accent),
6080            underline: Some(UnderlineStyle {
6081                color: Some(colors.text_accent.opacity(0.5)),
6082                thickness: px(1.),
6083                ..Default::default()
6084            }),
6085            ..Default::default()
6086        },
6087        ..Default::default()
6088    }
6089}
6090
6091fn plan_label_markdown_style(
6092    status: &acp::PlanEntryStatus,
6093    window: &Window,
6094    cx: &App,
6095) -> MarkdownStyle {
6096    let default_md_style = default_markdown_style(false, false, window, cx);
6097
6098    MarkdownStyle {
6099        base_text_style: TextStyle {
6100            color: cx.theme().colors().text_muted,
6101            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
6102                Some(gpui::StrikethroughStyle {
6103                    thickness: px(1.),
6104                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
6105                })
6106            } else {
6107                None
6108            },
6109            ..default_md_style.base_text_style
6110        },
6111        ..default_md_style
6112    }
6113}
6114
6115fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
6116    let default_md_style = default_markdown_style(true, false, window, cx);
6117
6118    MarkdownStyle {
6119        base_text_style: TextStyle {
6120            ..default_md_style.base_text_style
6121        },
6122        selection_background_color: cx.theme().colors().element_selection_background,
6123        ..Default::default()
6124    }
6125}
6126
6127#[cfg(test)]
6128pub(crate) mod tests {
6129    use acp_thread::StubAgentConnection;
6130    use agent_client_protocol::SessionId;
6131    use assistant_text_thread::TextThreadStore;
6132    use editor::MultiBufferOffset;
6133    use fs::FakeFs;
6134    use gpui::{EventEmitter, TestAppContext, VisualTestContext};
6135    use project::Project;
6136    use serde_json::json;
6137    use settings::SettingsStore;
6138    use std::any::Any;
6139    use std::path::Path;
6140    use workspace::Item;
6141
6142    use super::*;
6143
6144    #[gpui::test]
6145    async fn test_drop(cx: &mut TestAppContext) {
6146        init_test(cx);
6147
6148        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6149        let weak_view = thread_view.downgrade();
6150        drop(thread_view);
6151        assert!(!weak_view.is_upgradable());
6152    }
6153
6154    #[gpui::test]
6155    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
6156        init_test(cx);
6157
6158        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6159
6160        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6161        message_editor.update_in(cx, |editor, window, cx| {
6162            editor.set_text("Hello", window, cx);
6163        });
6164
6165        cx.deactivate_window();
6166
6167        thread_view.update_in(cx, |thread_view, window, cx| {
6168            thread_view.send(window, cx);
6169        });
6170
6171        cx.run_until_parked();
6172
6173        assert!(
6174            cx.windows()
6175                .iter()
6176                .any(|window| window.downcast::<AgentNotification>().is_some())
6177        );
6178    }
6179
6180    #[gpui::test]
6181    async fn test_notification_for_error(cx: &mut TestAppContext) {
6182        init_test(cx);
6183
6184        let (thread_view, cx) =
6185            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
6186
6187        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6188        message_editor.update_in(cx, |editor, window, cx| {
6189            editor.set_text("Hello", window, cx);
6190        });
6191
6192        cx.deactivate_window();
6193
6194        thread_view.update_in(cx, |thread_view, window, cx| {
6195            thread_view.send(window, cx);
6196        });
6197
6198        cx.run_until_parked();
6199
6200        assert!(
6201            cx.windows()
6202                .iter()
6203                .any(|window| window.downcast::<AgentNotification>().is_some())
6204        );
6205    }
6206
6207    #[gpui::test]
6208    async fn test_refusal_handling(cx: &mut TestAppContext) {
6209        init_test(cx);
6210
6211        let (thread_view, cx) =
6212            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
6213
6214        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6215        message_editor.update_in(cx, |editor, window, cx| {
6216            editor.set_text("Do something harmful", window, cx);
6217        });
6218
6219        thread_view.update_in(cx, |thread_view, window, cx| {
6220            thread_view.send(window, cx);
6221        });
6222
6223        cx.run_until_parked();
6224
6225        // Check that the refusal error is set
6226        thread_view.read_with(cx, |thread_view, _cx| {
6227            assert!(
6228                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
6229                "Expected refusal error to be set"
6230            );
6231        });
6232    }
6233
6234    #[gpui::test]
6235    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
6236        init_test(cx);
6237
6238        let tool_call_id = acp::ToolCallId::new("1");
6239        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
6240            .kind(acp::ToolKind::Edit)
6241            .content(vec!["hi".into()]);
6242        let connection =
6243            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6244                tool_call_id,
6245                vec![acp::PermissionOption::new(
6246                    "1".into(),
6247                    "Allow",
6248                    acp::PermissionOptionKind::AllowOnce,
6249                )],
6250            )]));
6251
6252        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6253
6254        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6255
6256        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6257        message_editor.update_in(cx, |editor, window, cx| {
6258            editor.set_text("Hello", window, cx);
6259        });
6260
6261        cx.deactivate_window();
6262
6263        thread_view.update_in(cx, |thread_view, window, cx| {
6264            thread_view.send(window, cx);
6265        });
6266
6267        cx.run_until_parked();
6268
6269        assert!(
6270            cx.windows()
6271                .iter()
6272                .any(|window| window.downcast::<AgentNotification>().is_some())
6273        );
6274    }
6275
6276    #[gpui::test]
6277    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
6278        init_test(cx);
6279
6280        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6281
6282        add_to_workspace(thread_view.clone(), cx);
6283
6284        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6285
6286        message_editor.update_in(cx, |editor, window, cx| {
6287            editor.set_text("Hello", window, cx);
6288        });
6289
6290        // Window is active (don't deactivate), but panel will be hidden
6291        // Note: In the test environment, the panel is not actually added to the dock,
6292        // so is_agent_panel_hidden will return true
6293
6294        thread_view.update_in(cx, |thread_view, window, cx| {
6295            thread_view.send(window, cx);
6296        });
6297
6298        cx.run_until_parked();
6299
6300        // Should show notification because window is active but panel is hidden
6301        assert!(
6302            cx.windows()
6303                .iter()
6304                .any(|window| window.downcast::<AgentNotification>().is_some()),
6305            "Expected notification when panel is hidden"
6306        );
6307    }
6308
6309    #[gpui::test]
6310    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
6311        init_test(cx);
6312
6313        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6314
6315        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6316        message_editor.update_in(cx, |editor, window, cx| {
6317            editor.set_text("Hello", window, cx);
6318        });
6319
6320        // Deactivate window - should show notification regardless of setting
6321        cx.deactivate_window();
6322
6323        thread_view.update_in(cx, |thread_view, window, cx| {
6324            thread_view.send(window, cx);
6325        });
6326
6327        cx.run_until_parked();
6328
6329        // Should still show notification when window is inactive (existing behavior)
6330        assert!(
6331            cx.windows()
6332                .iter()
6333                .any(|window| window.downcast::<AgentNotification>().is_some()),
6334            "Expected notification when window is inactive"
6335        );
6336    }
6337
6338    #[gpui::test]
6339    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
6340        init_test(cx);
6341
6342        // Set notify_when_agent_waiting to Never
6343        cx.update(|cx| {
6344            AgentSettings::override_global(
6345                AgentSettings {
6346                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6347                    ..AgentSettings::get_global(cx).clone()
6348                },
6349                cx,
6350            );
6351        });
6352
6353        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6354
6355        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6356        message_editor.update_in(cx, |editor, window, cx| {
6357            editor.set_text("Hello", window, cx);
6358        });
6359
6360        // Window is active
6361
6362        thread_view.update_in(cx, |thread_view, window, cx| {
6363            thread_view.send(window, cx);
6364        });
6365
6366        cx.run_until_parked();
6367
6368        // Should NOT show notification because notify_when_agent_waiting is Never
6369        assert!(
6370            !cx.windows()
6371                .iter()
6372                .any(|window| window.downcast::<AgentNotification>().is_some()),
6373            "Expected no notification when notify_when_agent_waiting is Never"
6374        );
6375    }
6376
6377    async fn setup_thread_view(
6378        agent: impl AgentServer + 'static,
6379        cx: &mut TestAppContext,
6380    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
6381        let fs = FakeFs::new(cx.executor());
6382        let project = Project::test(fs, [], cx).await;
6383        let (workspace, cx) =
6384            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6385
6386        let text_thread_store =
6387            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6388        let history_store =
6389            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6390
6391        let thread_view = cx.update(|window, cx| {
6392            cx.new(|cx| {
6393                AcpThreadView::new(
6394                    Rc::new(agent),
6395                    None,
6396                    None,
6397                    workspace.downgrade(),
6398                    project,
6399                    history_store,
6400                    None,
6401                    window,
6402                    cx,
6403                )
6404            })
6405        });
6406        cx.run_until_parked();
6407        (thread_view, cx)
6408    }
6409
6410    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6411        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6412
6413        workspace
6414            .update_in(cx, |workspace, window, cx| {
6415                workspace.add_item_to_active_pane(
6416                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6417                    None,
6418                    true,
6419                    window,
6420                    cx,
6421                );
6422            })
6423            .unwrap();
6424    }
6425
6426    struct ThreadViewItem(Entity<AcpThreadView>);
6427
6428    impl Item for ThreadViewItem {
6429        type Event = ();
6430
6431        fn include_in_nav_history() -> bool {
6432            false
6433        }
6434
6435        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6436            "Test".into()
6437        }
6438    }
6439
6440    impl EventEmitter<()> for ThreadViewItem {}
6441
6442    impl Focusable for ThreadViewItem {
6443        fn focus_handle(&self, cx: &App) -> FocusHandle {
6444            self.0.read(cx).focus_handle(cx)
6445        }
6446    }
6447
6448    impl Render for ThreadViewItem {
6449        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6450            self.0.clone().into_any_element()
6451        }
6452    }
6453
6454    struct StubAgentServer<C> {
6455        connection: C,
6456    }
6457
6458    impl<C> StubAgentServer<C> {
6459        fn new(connection: C) -> Self {
6460            Self { connection }
6461        }
6462    }
6463
6464    impl StubAgentServer<StubAgentConnection> {
6465        fn default_response() -> Self {
6466            let conn = StubAgentConnection::new();
6467            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6468                acp::ContentChunk::new("Default response".into()),
6469            )]);
6470            Self::new(conn)
6471        }
6472    }
6473
6474    impl<C> AgentServer for StubAgentServer<C>
6475    where
6476        C: 'static + AgentConnection + Send + Clone,
6477    {
6478        fn telemetry_id(&self) -> &'static str {
6479            "test"
6480        }
6481
6482        fn logo(&self) -> ui::IconName {
6483            ui::IconName::Ai
6484        }
6485
6486        fn name(&self) -> SharedString {
6487            "Test".into()
6488        }
6489
6490        fn connect(
6491            &self,
6492            _root_dir: Option<&Path>,
6493            _delegate: AgentServerDelegate,
6494            _cx: &mut App,
6495        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6496            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6497        }
6498
6499        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6500            self
6501        }
6502    }
6503
6504    #[derive(Clone)]
6505    struct SaboteurAgentConnection;
6506
6507    impl AgentConnection for SaboteurAgentConnection {
6508        fn telemetry_id(&self) -> &'static str {
6509            "saboteur"
6510        }
6511
6512        fn new_thread(
6513            self: Rc<Self>,
6514            project: Entity<Project>,
6515            _cwd: &Path,
6516            cx: &mut gpui::App,
6517        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6518            Task::ready(Ok(cx.new(|cx| {
6519                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6520                AcpThread::new(
6521                    "SaboteurAgentConnection",
6522                    self,
6523                    project,
6524                    action_log,
6525                    SessionId::new("test"),
6526                    watch::Receiver::constant(
6527                        acp::PromptCapabilities::new()
6528                            .image(true)
6529                            .audio(true)
6530                            .embedded_context(true),
6531                    ),
6532                    cx,
6533                )
6534            })))
6535        }
6536
6537        fn auth_methods(&self) -> &[acp::AuthMethod] {
6538            &[]
6539        }
6540
6541        fn authenticate(
6542            &self,
6543            _method_id: acp::AuthMethodId,
6544            _cx: &mut App,
6545        ) -> Task<gpui::Result<()>> {
6546            unimplemented!()
6547        }
6548
6549        fn prompt(
6550            &self,
6551            _id: Option<acp_thread::UserMessageId>,
6552            _params: acp::PromptRequest,
6553            _cx: &mut App,
6554        ) -> Task<gpui::Result<acp::PromptResponse>> {
6555            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6556        }
6557
6558        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6559            unimplemented!()
6560        }
6561
6562        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6563            self
6564        }
6565    }
6566
6567    /// Simulates a model which always returns a refusal response
6568    #[derive(Clone)]
6569    struct RefusalAgentConnection;
6570
6571    impl AgentConnection for RefusalAgentConnection {
6572        fn telemetry_id(&self) -> &'static str {
6573            "refusal"
6574        }
6575
6576        fn new_thread(
6577            self: Rc<Self>,
6578            project: Entity<Project>,
6579            _cwd: &Path,
6580            cx: &mut gpui::App,
6581        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6582            Task::ready(Ok(cx.new(|cx| {
6583                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6584                AcpThread::new(
6585                    "RefusalAgentConnection",
6586                    self,
6587                    project,
6588                    action_log,
6589                    SessionId::new("test"),
6590                    watch::Receiver::constant(
6591                        acp::PromptCapabilities::new()
6592                            .image(true)
6593                            .audio(true)
6594                            .embedded_context(true),
6595                    ),
6596                    cx,
6597                )
6598            })))
6599        }
6600
6601        fn auth_methods(&self) -> &[acp::AuthMethod] {
6602            &[]
6603        }
6604
6605        fn authenticate(
6606            &self,
6607            _method_id: acp::AuthMethodId,
6608            _cx: &mut App,
6609        ) -> Task<gpui::Result<()>> {
6610            unimplemented!()
6611        }
6612
6613        fn prompt(
6614            &self,
6615            _id: Option<acp_thread::UserMessageId>,
6616            _params: acp::PromptRequest,
6617            _cx: &mut App,
6618        ) -> Task<gpui::Result<acp::PromptResponse>> {
6619            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
6620        }
6621
6622        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6623            unimplemented!()
6624        }
6625
6626        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6627            self
6628        }
6629    }
6630
6631    pub(crate) fn init_test(cx: &mut TestAppContext) {
6632        cx.update(|cx| {
6633            let settings_store = SettingsStore::test(cx);
6634            cx.set_global(settings_store);
6635            theme::init(theme::LoadThemes::JustBase, cx);
6636            release_channel::init(semver::Version::new(0, 0, 0), cx);
6637            prompt_store::init(cx)
6638        });
6639    }
6640
6641    #[gpui::test]
6642    async fn test_rewind_views(cx: &mut TestAppContext) {
6643        init_test(cx);
6644
6645        let fs = FakeFs::new(cx.executor());
6646        fs.insert_tree(
6647            "/project",
6648            json!({
6649                "test1.txt": "old content 1",
6650                "test2.txt": "old content 2"
6651            }),
6652        )
6653        .await;
6654        let project = Project::test(fs, [Path::new("/project")], cx).await;
6655        let (workspace, cx) =
6656            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6657
6658        let text_thread_store =
6659            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6660        let history_store =
6661            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6662
6663        let connection = Rc::new(StubAgentConnection::new());
6664        let thread_view = cx.update(|window, cx| {
6665            cx.new(|cx| {
6666                AcpThreadView::new(
6667                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6668                    None,
6669                    None,
6670                    workspace.downgrade(),
6671                    project.clone(),
6672                    history_store.clone(),
6673                    None,
6674                    window,
6675                    cx,
6676                )
6677            })
6678        });
6679
6680        cx.run_until_parked();
6681
6682        let thread = thread_view
6683            .read_with(cx, |view, _| view.thread().cloned())
6684            .unwrap();
6685
6686        // First user message
6687        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
6688            acp::ToolCall::new("tool1", "Edit file 1")
6689                .kind(acp::ToolKind::Edit)
6690                .status(acp::ToolCallStatus::Completed)
6691                .content(vec![acp::ToolCallContent::Diff(
6692                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
6693                )]),
6694        )]);
6695
6696        thread
6697            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6698            .await
6699            .unwrap();
6700        cx.run_until_parked();
6701
6702        thread.read_with(cx, |thread, _| {
6703            assert_eq!(thread.entries().len(), 2);
6704        });
6705
6706        thread_view.read_with(cx, |view, cx| {
6707            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6708                assert!(
6709                    entry_view_state
6710                        .entry(0)
6711                        .unwrap()
6712                        .message_editor()
6713                        .is_some()
6714                );
6715                assert!(entry_view_state.entry(1).unwrap().has_content());
6716            });
6717        });
6718
6719        // Second user message
6720        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
6721            acp::ToolCall::new("tool2", "Edit file 2")
6722                .kind(acp::ToolKind::Edit)
6723                .status(acp::ToolCallStatus::Completed)
6724                .content(vec![acp::ToolCallContent::Diff(
6725                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
6726                )]),
6727        )]);
6728
6729        thread
6730            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6731            .await
6732            .unwrap();
6733        cx.run_until_parked();
6734
6735        let second_user_message_id = thread.read_with(cx, |thread, _| {
6736            assert_eq!(thread.entries().len(), 4);
6737            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6738                panic!();
6739            };
6740            user_message.id.clone().unwrap()
6741        });
6742
6743        thread_view.read_with(cx, |view, cx| {
6744            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6745                assert!(
6746                    entry_view_state
6747                        .entry(0)
6748                        .unwrap()
6749                        .message_editor()
6750                        .is_some()
6751                );
6752                assert!(entry_view_state.entry(1).unwrap().has_content());
6753                assert!(
6754                    entry_view_state
6755                        .entry(2)
6756                        .unwrap()
6757                        .message_editor()
6758                        .is_some()
6759                );
6760                assert!(entry_view_state.entry(3).unwrap().has_content());
6761            });
6762        });
6763
6764        // Rewind to first message
6765        thread
6766            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6767            .await
6768            .unwrap();
6769
6770        cx.run_until_parked();
6771
6772        thread.read_with(cx, |thread, _| {
6773            assert_eq!(thread.entries().len(), 2);
6774        });
6775
6776        thread_view.read_with(cx, |view, cx| {
6777            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6778                assert!(
6779                    entry_view_state
6780                        .entry(0)
6781                        .unwrap()
6782                        .message_editor()
6783                        .is_some()
6784                );
6785                assert!(entry_view_state.entry(1).unwrap().has_content());
6786
6787                // Old views should be dropped
6788                assert!(entry_view_state.entry(2).is_none());
6789                assert!(entry_view_state.entry(3).is_none());
6790            });
6791        });
6792    }
6793
6794    #[gpui::test]
6795    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6796        init_test(cx);
6797
6798        let connection = StubAgentConnection::new();
6799
6800        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6801            acp::ContentChunk::new("Response".into()),
6802        )]);
6803
6804        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6805        add_to_workspace(thread_view.clone(), cx);
6806
6807        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6808        message_editor.update_in(cx, |editor, window, cx| {
6809            editor.set_text("Original message to edit", window, cx);
6810        });
6811        thread_view.update_in(cx, |thread_view, window, cx| {
6812            thread_view.send(window, cx);
6813        });
6814
6815        cx.run_until_parked();
6816
6817        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6818            assert_eq!(view.editing_message, None);
6819
6820            view.entry_view_state
6821                .read(cx)
6822                .entry(0)
6823                .unwrap()
6824                .message_editor()
6825                .unwrap()
6826                .clone()
6827        });
6828
6829        // Focus
6830        cx.focus(&user_message_editor);
6831        thread_view.read_with(cx, |view, _cx| {
6832            assert_eq!(view.editing_message, Some(0));
6833        });
6834
6835        // Edit
6836        user_message_editor.update_in(cx, |editor, window, cx| {
6837            editor.set_text("Edited message content", window, cx);
6838        });
6839
6840        // Cancel
6841        user_message_editor.update_in(cx, |_editor, window, cx| {
6842            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6843        });
6844
6845        thread_view.read_with(cx, |view, _cx| {
6846            assert_eq!(view.editing_message, None);
6847        });
6848
6849        user_message_editor.read_with(cx, |editor, cx| {
6850            assert_eq!(editor.text(cx), "Original message to edit");
6851        });
6852    }
6853
6854    #[gpui::test]
6855    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6856        init_test(cx);
6857
6858        let connection = StubAgentConnection::new();
6859
6860        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6861        add_to_workspace(thread_view.clone(), cx);
6862
6863        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6864        let mut events = cx.events(&message_editor);
6865        message_editor.update_in(cx, |editor, window, cx| {
6866            editor.set_text("", window, cx);
6867        });
6868
6869        message_editor.update_in(cx, |_editor, window, cx| {
6870            window.dispatch_action(Box::new(Chat), cx);
6871        });
6872        cx.run_until_parked();
6873        // We shouldn't have received any messages
6874        assert!(matches!(
6875            events.try_next(),
6876            Err(futures::channel::mpsc::TryRecvError { .. })
6877        ));
6878    }
6879
6880    #[gpui::test]
6881    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6882        init_test(cx);
6883
6884        let connection = StubAgentConnection::new();
6885
6886        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6887            acp::ContentChunk::new("Response".into()),
6888        )]);
6889
6890        let (thread_view, cx) =
6891            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6892        add_to_workspace(thread_view.clone(), cx);
6893
6894        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6895        message_editor.update_in(cx, |editor, window, cx| {
6896            editor.set_text("Original message to edit", window, cx);
6897        });
6898        thread_view.update_in(cx, |thread_view, window, cx| {
6899            thread_view.send(window, cx);
6900        });
6901
6902        cx.run_until_parked();
6903
6904        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6905            assert_eq!(view.editing_message, None);
6906            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6907
6908            view.entry_view_state
6909                .read(cx)
6910                .entry(0)
6911                .unwrap()
6912                .message_editor()
6913                .unwrap()
6914                .clone()
6915        });
6916
6917        // Focus
6918        cx.focus(&user_message_editor);
6919
6920        // Edit
6921        user_message_editor.update_in(cx, |editor, window, cx| {
6922            editor.set_text("Edited message content", window, cx);
6923        });
6924
6925        // Send
6926        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6927            acp::ContentChunk::new("New Response".into()),
6928        )]);
6929
6930        user_message_editor.update_in(cx, |_editor, window, cx| {
6931            window.dispatch_action(Box::new(Chat), cx);
6932        });
6933
6934        cx.run_until_parked();
6935
6936        thread_view.read_with(cx, |view, cx| {
6937            assert_eq!(view.editing_message, None);
6938
6939            let entries = view.thread().unwrap().read(cx).entries();
6940            assert_eq!(entries.len(), 2);
6941            assert_eq!(
6942                entries[0].to_markdown(cx),
6943                "## User\n\nEdited message content\n\n"
6944            );
6945            assert_eq!(
6946                entries[1].to_markdown(cx),
6947                "## Assistant\n\nNew Response\n\n"
6948            );
6949
6950            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6951                assert!(!state.entry(1).unwrap().has_content());
6952                state.entry(0).unwrap().message_editor().unwrap().clone()
6953            });
6954
6955            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6956        })
6957    }
6958
6959    #[gpui::test]
6960    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6961        init_test(cx);
6962
6963        let connection = StubAgentConnection::new();
6964
6965        let (thread_view, cx) =
6966            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6967        add_to_workspace(thread_view.clone(), cx);
6968
6969        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6970        message_editor.update_in(cx, |editor, window, cx| {
6971            editor.set_text("Original message to edit", window, cx);
6972        });
6973        thread_view.update_in(cx, |thread_view, window, cx| {
6974            thread_view.send(window, cx);
6975        });
6976
6977        cx.run_until_parked();
6978
6979        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6980            let thread = view.thread().unwrap().read(cx);
6981            assert_eq!(thread.entries().len(), 1);
6982
6983            let editor = view
6984                .entry_view_state
6985                .read(cx)
6986                .entry(0)
6987                .unwrap()
6988                .message_editor()
6989                .unwrap()
6990                .clone();
6991
6992            (editor, thread.session_id().clone())
6993        });
6994
6995        // Focus
6996        cx.focus(&user_message_editor);
6997
6998        thread_view.read_with(cx, |view, _cx| {
6999            assert_eq!(view.editing_message, Some(0));
7000        });
7001
7002        // Edit
7003        user_message_editor.update_in(cx, |editor, window, cx| {
7004            editor.set_text("Edited message content", window, cx);
7005        });
7006
7007        thread_view.read_with(cx, |view, _cx| {
7008            assert_eq!(view.editing_message, Some(0));
7009        });
7010
7011        // Finish streaming response
7012        cx.update(|_, cx| {
7013            connection.send_update(
7014                session_id.clone(),
7015                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
7016                cx,
7017            );
7018            connection.end_turn(session_id, acp::StopReason::EndTurn);
7019        });
7020
7021        thread_view.read_with(cx, |view, _cx| {
7022            assert_eq!(view.editing_message, Some(0));
7023        });
7024
7025        cx.run_until_parked();
7026
7027        // Should still be editing
7028        cx.update(|window, cx| {
7029            assert!(user_message_editor.focus_handle(cx).is_focused(window));
7030            assert_eq!(thread_view.read(cx).editing_message, Some(0));
7031            assert_eq!(
7032                user_message_editor.read(cx).text(cx),
7033                "Edited message content"
7034            );
7035        });
7036    }
7037
7038    #[gpui::test]
7039    async fn test_interrupt(cx: &mut TestAppContext) {
7040        init_test(cx);
7041
7042        let connection = StubAgentConnection::new();
7043
7044        let (thread_view, cx) =
7045            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7046        add_to_workspace(thread_view.clone(), cx);
7047
7048        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7049        message_editor.update_in(cx, |editor, window, cx| {
7050            editor.set_text("Message 1", window, cx);
7051        });
7052        thread_view.update_in(cx, |thread_view, window, cx| {
7053            thread_view.send(window, cx);
7054        });
7055
7056        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
7057            let thread = view.thread().unwrap();
7058
7059            (thread.clone(), thread.read(cx).session_id().clone())
7060        });
7061
7062        cx.run_until_parked();
7063
7064        cx.update(|_, cx| {
7065            connection.send_update(
7066                session_id.clone(),
7067                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7068                    "Message 1 resp".into(),
7069                )),
7070                cx,
7071            );
7072        });
7073
7074        cx.run_until_parked();
7075
7076        thread.read_with(cx, |thread, cx| {
7077            assert_eq!(
7078                thread.to_markdown(cx),
7079                indoc::indoc! {"
7080                    ## User
7081
7082                    Message 1
7083
7084                    ## Assistant
7085
7086                    Message 1 resp
7087
7088                "}
7089            )
7090        });
7091
7092        message_editor.update_in(cx, |editor, window, cx| {
7093            editor.set_text("Message 2", window, cx);
7094        });
7095        thread_view.update_in(cx, |thread_view, window, cx| {
7096            thread_view.send(window, cx);
7097        });
7098
7099        cx.update(|_, cx| {
7100            // Simulate a response sent after beginning to cancel
7101            connection.send_update(
7102                session_id.clone(),
7103                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
7104                cx,
7105            );
7106        });
7107
7108        cx.run_until_parked();
7109
7110        // Last Message 1 response should appear before Message 2
7111        thread.read_with(cx, |thread, cx| {
7112            assert_eq!(
7113                thread.to_markdown(cx),
7114                indoc::indoc! {"
7115                    ## User
7116
7117                    Message 1
7118
7119                    ## Assistant
7120
7121                    Message 1 response
7122
7123                    ## User
7124
7125                    Message 2
7126
7127                "}
7128            )
7129        });
7130
7131        cx.update(|_, cx| {
7132            connection.send_update(
7133                session_id.clone(),
7134                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7135                    "Message 2 response".into(),
7136                )),
7137                cx,
7138            );
7139            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
7140        });
7141
7142        cx.run_until_parked();
7143
7144        thread.read_with(cx, |thread, cx| {
7145            assert_eq!(
7146                thread.to_markdown(cx),
7147                indoc::indoc! {"
7148                    ## User
7149
7150                    Message 1
7151
7152                    ## Assistant
7153
7154                    Message 1 response
7155
7156                    ## User
7157
7158                    Message 2
7159
7160                    ## Assistant
7161
7162                    Message 2 response
7163
7164                "}
7165            )
7166        });
7167    }
7168
7169    #[gpui::test]
7170    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
7171        init_test(cx);
7172
7173        let connection = StubAgentConnection::new();
7174        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7175            acp::ContentChunk::new("Response".into()),
7176        )]);
7177
7178        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7179        add_to_workspace(thread_view.clone(), cx);
7180
7181        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7182        message_editor.update_in(cx, |editor, window, cx| {
7183            editor.set_text("Original message to edit", window, cx)
7184        });
7185        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
7186        cx.run_until_parked();
7187
7188        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
7189            thread_view
7190                .entry_view_state
7191                .read(cx)
7192                .entry(0)
7193                .expect("Should have at least one entry")
7194                .message_editor()
7195                .expect("Should have message editor")
7196                .clone()
7197        });
7198
7199        cx.focus(&user_message_editor);
7200        thread_view.read_with(cx, |thread_view, _cx| {
7201            assert_eq!(thread_view.editing_message, Some(0));
7202        });
7203
7204        // Ensure to edit the focused message before proceeding otherwise, since
7205        // its content is not different from what was sent, focus will be lost.
7206        user_message_editor.update_in(cx, |editor, window, cx| {
7207            editor.set_text("Original message to edit with ", window, cx)
7208        });
7209
7210        // Create a simple buffer with some text so we can create a selection
7211        // that will then be added to the message being edited.
7212        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7213            (thread_view.workspace.clone(), thread_view.project.clone())
7214        });
7215        let buffer = project.update(cx, |project, cx| {
7216            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7217        });
7218
7219        workspace
7220            .update_in(cx, |workspace, window, cx| {
7221                let editor = cx.new(|cx| {
7222                    let mut editor =
7223                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7224
7225                    editor.change_selections(Default::default(), window, cx, |selections| {
7226                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7227                    });
7228
7229                    editor
7230                });
7231                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7232            })
7233            .unwrap();
7234
7235        thread_view.update_in(cx, |thread_view, window, cx| {
7236            assert_eq!(thread_view.editing_message, Some(0));
7237            thread_view.insert_selections(window, cx);
7238        });
7239
7240        user_message_editor.read_with(cx, |editor, cx| {
7241            let text = editor.editor().read(cx).text(cx);
7242            let expected_text = String::from("Original message to edit with selection ");
7243
7244            assert_eq!(text, expected_text);
7245        });
7246    }
7247
7248    #[gpui::test]
7249    async fn test_insert_selections(cx: &mut TestAppContext) {
7250        init_test(cx);
7251
7252        let connection = StubAgentConnection::new();
7253        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7254            acp::ContentChunk::new("Response".into()),
7255        )]);
7256
7257        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7258        add_to_workspace(thread_view.clone(), cx);
7259
7260        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7261        message_editor.update_in(cx, |editor, window, cx| {
7262            editor.set_text("Can you review this snippet ", window, cx)
7263        });
7264
7265        // Create a simple buffer with some text so we can create a selection
7266        // that will then be added to the message being edited.
7267        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7268            (thread_view.workspace.clone(), thread_view.project.clone())
7269        });
7270        let buffer = project.update(cx, |project, cx| {
7271            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7272        });
7273
7274        workspace
7275            .update_in(cx, |workspace, window, cx| {
7276                let editor = cx.new(|cx| {
7277                    let mut editor =
7278                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7279
7280                    editor.change_selections(Default::default(), window, cx, |selections| {
7281                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7282                    });
7283
7284                    editor
7285                });
7286                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7287            })
7288            .unwrap();
7289
7290        thread_view.update_in(cx, |thread_view, window, cx| {
7291            assert_eq!(thread_view.editing_message, None);
7292            thread_view.insert_selections(window, cx);
7293        });
7294
7295        thread_view.read_with(cx, |thread_view, cx| {
7296            let text = thread_view.message_editor.read(cx).text(cx);
7297            let expected_txt = String::from("Can you review this snippet selection ");
7298
7299            assert_eq!(text, expected_txt);
7300        })
7301    }
7302}