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::{AgentNotification, AgentNotificationEvent, BurnModeTooltip, UsageCallout};
  67use crate::{
  68    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
  69    CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, NewThread, OpenAgentDiff, OpenHistory,
  70    RejectAll, RejectOnce, ToggleBurnMode, ToggleProfileSelector,
  71};
  72
  73#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  74enum ThreadFeedback {
  75    Positive,
  76    Negative,
  77}
  78
  79#[derive(Debug)]
  80enum ThreadError {
  81    PaymentRequired,
  82    ModelRequestLimitReached(cloud_llm_client::Plan),
  83    ToolUseLimitReached,
  84    Refusal,
  85    AuthenticationRequired(SharedString),
  86    Other(SharedString),
  87}
  88
  89impl ThreadError {
  90    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  91        if error.is::<language_model::PaymentRequiredError>() {
  92            Self::PaymentRequired
  93        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  94            Self::ToolUseLimitReached
  95        } else if let Some(error) =
  96            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  97        {
  98            Self::ModelRequestLimitReached(error.plan)
  99        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 100            && acp_error.code == acp::ErrorCode::AuthRequired
 101        {
 102            Self::AuthenticationRequired(acp_error.message.clone().into())
 103        } else {
 104            let string = format!("{:#}", error);
 105            // TODO: we should have Gemini return better errors here.
 106            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 107                && string.contains("Could not load the default credentials")
 108                || string.contains("API key not valid")
 109                || string.contains("Request had invalid authentication credentials")
 110            {
 111                Self::AuthenticationRequired(string.into())
 112            } else {
 113                Self::Other(string.into())
 114            }
 115        }
 116    }
 117}
 118
 119impl ProfileProvider for Entity<agent::Thread> {
 120    fn profile_id(&self, cx: &App) -> AgentProfileId {
 121        self.read(cx).profile().clone()
 122    }
 123
 124    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 125        self.update(cx, |thread, cx| {
 126            // Apply the profile and let the thread swap to its default model.
 127            thread.set_profile(profile_id, cx);
 128        });
 129    }
 130
 131    fn profiles_supported(&self, cx: &App) -> bool {
 132        self.read(cx)
 133            .model()
 134            .is_some_and(|model| model.supports_tools())
 135    }
 136}
 137
 138#[derive(Default)]
 139struct ThreadFeedbackState {
 140    feedback: Option<ThreadFeedback>,
 141    comments_editor: Option<Entity<Editor>>,
 142}
 143
 144impl ThreadFeedbackState {
 145    pub fn submit(
 146        &mut self,
 147        thread: Entity<AcpThread>,
 148        feedback: ThreadFeedback,
 149        window: &mut Window,
 150        cx: &mut App,
 151    ) {
 152        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 153            return;
 154        };
 155
 156        if self.feedback == Some(feedback) {
 157            return;
 158        }
 159
 160        self.feedback = Some(feedback);
 161        match feedback {
 162            ThreadFeedback::Positive => {
 163                self.comments_editor = None;
 164            }
 165            ThreadFeedback::Negative => {
 166                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 167            }
 168        }
 169        let session_id = thread.read(cx).session_id().clone();
 170        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 171        let task = telemetry.thread_data(&session_id, cx);
 172        let rating = match feedback {
 173            ThreadFeedback::Positive => "positive",
 174            ThreadFeedback::Negative => "negative",
 175        };
 176        cx.background_spawn(async move {
 177            let thread = task.await?;
 178            telemetry::event!(
 179                "Agent Thread Rated",
 180                agent = agent_telemetry_id,
 181                session_id = session_id,
 182                rating = rating,
 183                thread = thread
 184            );
 185            anyhow::Ok(())
 186        })
 187        .detach_and_log_err(cx);
 188    }
 189
 190    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 191        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 192            return;
 193        };
 194
 195        let Some(comments) = self
 196            .comments_editor
 197            .as_ref()
 198            .map(|editor| editor.read(cx).text(cx))
 199            .filter(|text| !text.trim().is_empty())
 200        else {
 201            return;
 202        };
 203
 204        self.comments_editor.take();
 205
 206        let session_id = thread.read(cx).session_id().clone();
 207        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 208        let task = telemetry.thread_data(&session_id, cx);
 209        cx.background_spawn(async move {
 210            let thread = task.await?;
 211            telemetry::event!(
 212                "Agent Thread Feedback Comments",
 213                agent = agent_telemetry_id,
 214                session_id = session_id,
 215                comments = comments,
 216                thread = thread
 217            );
 218            anyhow::Ok(())
 219        })
 220        .detach_and_log_err(cx);
 221    }
 222
 223    pub fn clear(&mut self) {
 224        *self = Self::default()
 225    }
 226
 227    pub fn dismiss_comments(&mut self) {
 228        self.comments_editor.take();
 229    }
 230
 231    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 232        let buffer = cx.new(|cx| {
 233            let empty_string = String::new();
 234            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 235        });
 236
 237        let editor = cx.new(|cx| {
 238            let mut editor = Editor::new(
 239                editor::EditorMode::AutoHeight {
 240                    min_lines: 1,
 241                    max_lines: Some(4),
 242                },
 243                buffer,
 244                None,
 245                window,
 246                cx,
 247            );
 248            editor.set_placeholder_text(
 249                "What went wrong? Share your feedback so we can improve.",
 250                window,
 251                cx,
 252            );
 253            editor
 254        });
 255
 256        editor.read(cx).focus_handle(cx).focus(window);
 257        editor
 258    }
 259}
 260
 261pub struct AcpThreadView {
 262    agent: Rc<dyn AgentServer>,
 263    workspace: WeakEntity<Workspace>,
 264    project: Entity<Project>,
 265    thread_state: ThreadState,
 266    login: Option<task::SpawnInTerminal>,
 267    history_store: Entity<HistoryStore>,
 268    hovered_recent_history_item: Option<usize>,
 269    entry_view_state: Entity<EntryViewState>,
 270    message_editor: Entity<MessageEditor>,
 271    focus_handle: FocusHandle,
 272    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 273    profile_selector: Option<Entity<ProfileSelector>>,
 274    notifications: Vec<WindowHandle<AgentNotification>>,
 275    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 276    thread_retry_status: Option<RetryStatus>,
 277    thread_error: Option<ThreadError>,
 278    thread_error_markdown: Option<Entity<Markdown>>,
 279    thread_feedback: ThreadFeedbackState,
 280    list_state: ListState,
 281    auth_task: Option<Task<()>>,
 282    expanded_tool_calls: HashSet<acp::ToolCallId>,
 283    expanded_thinking_blocks: HashSet<(usize, usize)>,
 284    edits_expanded: bool,
 285    plan_expanded: bool,
 286    editor_expanded: bool,
 287    should_be_following: bool,
 288    editing_message: Option<usize>,
 289    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 290    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 291    is_loading_contents: bool,
 292    new_server_version_available: Option<SharedString>,
 293    resume_thread_metadata: Option<DbThreadMetadata>,
 294    _cancel_task: Option<Task<()>>,
 295    _subscriptions: [Subscription; 5],
 296    show_codex_windows_warning: bool,
 297    in_flight_prompt: Option<Vec<acp::ContentBlock>>,
 298}
 299
 300enum ThreadState {
 301    Loading(Entity<LoadingView>),
 302    Ready {
 303        thread: Entity<AcpThread>,
 304        title_editor: Option<Entity<Editor>>,
 305        mode_selector: Option<Entity<ModeSelector>>,
 306        _subscriptions: Vec<Subscription>,
 307    },
 308    LoadError(LoadError),
 309    Unauthenticated {
 310        connection: Rc<dyn AgentConnection>,
 311        description: Option<Entity<Markdown>>,
 312        configuration_view: Option<AnyView>,
 313        pending_auth_method: Option<acp::AuthMethodId>,
 314        _subscription: Option<Subscription>,
 315    },
 316}
 317
 318struct LoadingView {
 319    title: SharedString,
 320    _load_task: Task<()>,
 321    _update_title_task: Task<anyhow::Result<()>>,
 322}
 323
 324impl AcpThreadView {
 325    pub fn new(
 326        agent: Rc<dyn AgentServer>,
 327        resume_thread: Option<DbThreadMetadata>,
 328        summarize_thread: Option<DbThreadMetadata>,
 329        workspace: WeakEntity<Workspace>,
 330        project: Entity<Project>,
 331        history_store: Entity<HistoryStore>,
 332        prompt_store: Option<Entity<PromptStore>>,
 333        track_load_event: bool,
 334        window: &mut Window,
 335        cx: &mut Context<Self>,
 336    ) -> Self {
 337        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 338        let available_commands = Rc::new(RefCell::new(vec![]));
 339
 340        let placeholder = placeholder_text(agent.name().as_ref(), false);
 341
 342        let message_editor = cx.new(|cx| {
 343            let mut editor = MessageEditor::new(
 344                workspace.clone(),
 345                project.downgrade(),
 346                history_store.clone(),
 347                prompt_store.clone(),
 348                prompt_capabilities.clone(),
 349                available_commands.clone(),
 350                agent.name(),
 351                &placeholder,
 352                editor::EditorMode::AutoHeight {
 353                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 354                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 355                },
 356                window,
 357                cx,
 358            );
 359            if let Some(entry) = summarize_thread {
 360                editor.insert_thread_summary(entry, window, cx);
 361            }
 362            editor
 363        });
 364
 365        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 366
 367        let entry_view_state = cx.new(|_| {
 368            EntryViewState::new(
 369                workspace.clone(),
 370                project.downgrade(),
 371                history_store.clone(),
 372                prompt_store.clone(),
 373                prompt_capabilities.clone(),
 374                available_commands.clone(),
 375                agent.name(),
 376            )
 377        });
 378
 379        let agent_server_store = project.read(cx).agent_server_store().clone();
 380        let subscriptions = [
 381            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 382            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 383            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 384            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 385            cx.subscribe_in(
 386                &agent_server_store,
 387                window,
 388                Self::handle_agent_servers_updated,
 389            ),
 390        ];
 391
 392        let show_codex_windows_warning = cfg!(windows)
 393            && project.read(cx).is_local()
 394            && agent.clone().downcast::<agent_servers::Codex>().is_some();
 395
 396        Self {
 397            agent: agent.clone(),
 398            workspace: workspace.clone(),
 399            project: project.clone(),
 400            entry_view_state,
 401            thread_state: Self::initial_state(
 402                agent.clone(),
 403                resume_thread.clone(),
 404                workspace.clone(),
 405                project.clone(),
 406                track_load_event,
 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            true,
 452            window,
 453            cx,
 454        );
 455        self.available_commands.replace(vec![]);
 456        self.new_server_version_available.take();
 457        cx.notify();
 458    }
 459
 460    fn initial_state(
 461        agent: Rc<dyn AgentServer>,
 462        resume_thread: Option<DbThreadMetadata>,
 463        workspace: WeakEntity<Workspace>,
 464        project: Entity<Project>,
 465        track_load_event: bool,
 466        window: &mut Window,
 467        cx: &mut Context<Self>,
 468    ) -> ThreadState {
 469        if project.read(cx).is_via_collab()
 470            && agent.clone().downcast::<NativeAgentServer>().is_none()
 471        {
 472            return ThreadState::LoadError(LoadError::Other(
 473                "External agents are not yet supported in shared projects.".into(),
 474            ));
 475        }
 476        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 477        // Pick the first non-single-file worktree for the root directory if there are any,
 478        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 479        worktrees.sort_by(|l, r| {
 480            l.read(cx)
 481                .is_single_file()
 482                .cmp(&r.read(cx).is_single_file())
 483        });
 484        let root_dir = worktrees
 485            .into_iter()
 486            .filter_map(|worktree| {
 487                if worktree.read(cx).is_single_file() {
 488                    Some(worktree.read(cx).abs_path().parent()?.into())
 489                } else {
 490                    Some(worktree.read(cx).abs_path())
 491                }
 492            })
 493            .next();
 494        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 495        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 496        let delegate = AgentServerDelegate::new(
 497            project.read(cx).agent_server_store().clone(),
 498            project.clone(),
 499            Some(status_tx),
 500            Some(new_version_available_tx),
 501        );
 502
 503        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 504        let load_task = cx.spawn_in(window, async move |this, cx| {
 505            let connection = match connect_task.await {
 506                Ok((connection, login)) => {
 507                    this.update(cx, |this, _| this.login = login).ok();
 508                    connection
 509                }
 510                Err(err) => {
 511                    this.update_in(cx, |this, window, cx| {
 512                        if err.downcast_ref::<LoadError>().is_some() {
 513                            this.handle_load_error(err, window, cx);
 514                        } else {
 515                            this.handle_thread_error(err, cx);
 516                        }
 517                        cx.notify();
 518                    })
 519                    .log_err();
 520                    return;
 521                }
 522            };
 523
 524            if track_load_event {
 525                telemetry::event!("Agent Thread Started", agent = connection.telemetry_id());
 526            }
 527
 528            let result = if let Some(native_agent) = connection
 529                .clone()
 530                .downcast::<agent::NativeAgentConnection>()
 531                && let Some(resume) = resume_thread.clone()
 532            {
 533                cx.update(|_, cx| {
 534                    native_agent
 535                        .0
 536                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 537                })
 538                .log_err()
 539            } else {
 540                let root_dir = root_dir.unwrap_or(paths::home_dir().as_path().into());
 541                cx.update(|_, cx| {
 542                    connection
 543                        .clone()
 544                        .new_thread(project.clone(), &root_dir, cx)
 545                })
 546                .log_err()
 547            };
 548
 549            let Some(result) = result else {
 550                return;
 551            };
 552
 553            let result = match result.await {
 554                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 555                    Ok(err) => {
 556                        cx.update(|window, cx| {
 557                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 558                        })
 559                        .log_err();
 560                        return;
 561                    }
 562                    Err(err) => Err(err),
 563                },
 564                Ok(thread) => Ok(thread),
 565            };
 566
 567            this.update_in(cx, |this, window, cx| {
 568                match result {
 569                    Ok(thread) => {
 570                        let action_log = thread.read(cx).action_log().clone();
 571
 572                        this.prompt_capabilities
 573                            .replace(thread.read(cx).prompt_capabilities());
 574
 575                        let count = thread.read(cx).entries().len();
 576                        this.entry_view_state.update(cx, |view_state, cx| {
 577                            for ix in 0..count {
 578                                view_state.sync_entry(ix, &thread, window, cx);
 579                            }
 580                            this.list_state.splice_focusable(
 581                                0..0,
 582                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 583                            );
 584                        });
 585
 586                        if let Some(resume) = resume_thread {
 587                            this.history_store.update(cx, |history, cx| {
 588                                history.push_recently_opened_entry(
 589                                    HistoryEntryId::AcpThread(resume.id),
 590                                    cx,
 591                                );
 592                            });
 593                        }
 594
 595                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 596
 597                        this.model_selector = thread
 598                            .read(cx)
 599                            .connection()
 600                            .model_selector(thread.read(cx).session_id())
 601                            .map(|selector| {
 602                                let agent_server = this.agent.clone();
 603                                let fs = this.project.read(cx).fs().clone();
 604                                cx.new(|cx| {
 605                                    AcpModelSelectorPopover::new(
 606                                        selector,
 607                                        agent_server,
 608                                        fs,
 609                                        PopoverMenuHandle::default(),
 610                                        this.focus_handle(cx),
 611                                        window,
 612                                        cx,
 613                                    )
 614                                })
 615                            });
 616
 617                        let mode_selector = thread
 618                            .read(cx)
 619                            .connection()
 620                            .session_modes(thread.read(cx).session_id(), cx)
 621                            .map(|session_modes| {
 622                                let fs = this.project.read(cx).fs().clone();
 623                                let focus_handle = this.focus_handle(cx);
 624                                cx.new(|_cx| {
 625                                    ModeSelector::new(
 626                                        session_modes,
 627                                        this.agent.clone(),
 628                                        fs,
 629                                        focus_handle,
 630                                    )
 631                                })
 632                            });
 633
 634                        let mut subscriptions = vec![
 635                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 636                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 637                        ];
 638
 639                        let title_editor =
 640                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 641                                let editor = cx.new(|cx| {
 642                                    let mut editor = Editor::single_line(window, cx);
 643                                    editor.set_text(thread.read(cx).title(), window, cx);
 644                                    editor
 645                                });
 646                                subscriptions.push(cx.subscribe_in(
 647                                    &editor,
 648                                    window,
 649                                    Self::handle_title_editor_event,
 650                                ));
 651                                Some(editor)
 652                            } else {
 653                                None
 654                            };
 655
 656                        this.thread_state = ThreadState::Ready {
 657                            thread,
 658                            title_editor,
 659                            mode_selector,
 660                            _subscriptions: subscriptions,
 661                        };
 662
 663                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 664                            cx.new(|cx| {
 665                                ProfileSelector::new(
 666                                    <dyn Fs>::global(cx),
 667                                    Arc::new(thread.clone()),
 668                                    this.focus_handle(cx),
 669                                    cx,
 670                                )
 671                            })
 672                        });
 673
 674                        this.message_editor.focus_handle(cx).focus(window);
 675
 676                        cx.notify();
 677                    }
 678                    Err(err) => {
 679                        this.handle_load_error(err, window, cx);
 680                    }
 681                };
 682            })
 683            .log_err();
 684        });
 685
 686        cx.spawn(async move |this, cx| {
 687            while let Ok(new_version) = new_version_available_rx.recv().await {
 688                if let Some(new_version) = new_version {
 689                    this.update(cx, |this, cx| {
 690                        this.new_server_version_available = Some(new_version.into());
 691                        cx.notify();
 692                    })
 693                    .ok();
 694                }
 695            }
 696        })
 697        .detach();
 698
 699        let loading_view = cx.new(|cx| {
 700            let update_title_task = cx.spawn(async move |this, cx| {
 701                loop {
 702                    let status = status_rx.recv().await?;
 703                    this.update(cx, |this: &mut LoadingView, cx| {
 704                        this.title = status;
 705                        cx.notify();
 706                    })?;
 707                }
 708            });
 709
 710            LoadingView {
 711                title: "Loading…".into(),
 712                _load_task: load_task,
 713                _update_title_task: update_title_task,
 714            }
 715        });
 716
 717        ThreadState::Loading(loading_view)
 718    }
 719
 720    fn handle_auth_required(
 721        this: WeakEntity<Self>,
 722        err: AuthRequired,
 723        agent: Rc<dyn AgentServer>,
 724        connection: Rc<dyn AgentConnection>,
 725        window: &mut Window,
 726        cx: &mut App,
 727    ) {
 728        let agent_name = agent.name();
 729        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 730            let registry = LanguageModelRegistry::global(cx);
 731
 732            let sub = window.subscribe(&registry, cx, {
 733                let provider_id = provider_id.clone();
 734                let this = this.clone();
 735                move |_, ev, window, cx| {
 736                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 737                        && &provider_id == updated_provider_id
 738                        && LanguageModelRegistry::global(cx)
 739                            .read(cx)
 740                            .provider(&provider_id)
 741                            .map_or(false, |provider| provider.is_authenticated(cx))
 742                    {
 743                        this.update(cx, |this, cx| {
 744                            this.reset(window, cx);
 745                        })
 746                        .ok();
 747                    }
 748                }
 749            });
 750
 751            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 752                provider.configuration_view(
 753                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 754                    window,
 755                    cx,
 756                )
 757            });
 758
 759            (view, Some(sub))
 760        } else {
 761            (None, None)
 762        };
 763
 764        this.update(cx, |this, cx| {
 765            this.thread_state = ThreadState::Unauthenticated {
 766                pending_auth_method: None,
 767                connection,
 768                configuration_view,
 769                description: err
 770                    .description
 771                    .clone()
 772                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 773                _subscription: subscription,
 774            };
 775            if this.message_editor.focus_handle(cx).is_focused(window) {
 776                this.focus_handle.focus(window)
 777            }
 778            cx.notify();
 779        })
 780        .ok();
 781    }
 782
 783    fn handle_load_error(
 784        &mut self,
 785        err: anyhow::Error,
 786        window: &mut Window,
 787        cx: &mut Context<Self>,
 788    ) {
 789        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 790            self.thread_state = ThreadState::LoadError(load_err.clone());
 791        } else {
 792            self.thread_state =
 793                ThreadState::LoadError(LoadError::Other(format!("{:#}", err).into()))
 794        }
 795        if self.message_editor.focus_handle(cx).is_focused(window) {
 796            self.focus_handle.focus(window)
 797        }
 798        cx.notify();
 799    }
 800
 801    fn handle_agent_servers_updated(
 802        &mut self,
 803        _agent_server_store: &Entity<project::AgentServerStore>,
 804        _event: &project::AgentServersUpdated,
 805        window: &mut Window,
 806        cx: &mut Context<Self>,
 807    ) {
 808        // If we're in a LoadError state OR have a thread_error set (which can happen
 809        // when agent.connect() fails during loading), retry loading the thread.
 810        // This handles the case where a thread is restored before authentication completes.
 811        let should_retry =
 812            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 813
 814        if should_retry {
 815            self.thread_error = None;
 816            self.thread_error_markdown = None;
 817            self.reset(window, cx);
 818        }
 819    }
 820
 821    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 822        &self.workspace
 823    }
 824
 825    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 826        match &self.thread_state {
 827            ThreadState::Ready { thread, .. } => Some(thread),
 828            ThreadState::Unauthenticated { .. }
 829            | ThreadState::Loading { .. }
 830            | ThreadState::LoadError { .. } => None,
 831        }
 832    }
 833
 834    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 835        match &self.thread_state {
 836            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 837            ThreadState::Unauthenticated { .. }
 838            | ThreadState::Loading { .. }
 839            | ThreadState::LoadError { .. } => None,
 840        }
 841    }
 842
 843    pub fn title(&self, cx: &App) -> SharedString {
 844        match &self.thread_state {
 845            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 846            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 847            ThreadState::LoadError(error) => match error {
 848                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 849                LoadError::FailedToInstall(_) => {
 850                    format!("Failed to Install {}", self.agent.name()).into()
 851                }
 852                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 853                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 854            },
 855        }
 856    }
 857
 858    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 859        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 860            title_editor.clone()
 861        } else {
 862            None
 863        }
 864    }
 865
 866    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 867        self.thread_error.take();
 868        self.thread_retry_status.take();
 869
 870        if let Some(thread) = self.thread() {
 871            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 872        }
 873    }
 874
 875    pub fn expand_message_editor(
 876        &mut self,
 877        _: &ExpandMessageEditor,
 878        _window: &mut Window,
 879        cx: &mut Context<Self>,
 880    ) {
 881        self.set_editor_is_expanded(!self.editor_expanded, cx);
 882        cx.stop_propagation();
 883        cx.notify();
 884    }
 885
 886    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 887        self.editor_expanded = is_expanded;
 888        self.message_editor.update(cx, |editor, cx| {
 889            if is_expanded {
 890                editor.set_mode(
 891                    EditorMode::Full {
 892                        scale_ui_elements_with_buffer_font_size: false,
 893                        show_active_line_background: false,
 894                        sizing_behavior: SizingBehavior::ExcludeOverscrollMargin,
 895                    },
 896                    cx,
 897                )
 898            } else {
 899                let agent_settings = AgentSettings::get_global(cx);
 900                editor.set_mode(
 901                    EditorMode::AutoHeight {
 902                        min_lines: agent_settings.message_editor_min_lines,
 903                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 904                    },
 905                    cx,
 906                )
 907            }
 908        });
 909        cx.notify();
 910    }
 911
 912    pub fn handle_title_editor_event(
 913        &mut self,
 914        title_editor: &Entity<Editor>,
 915        event: &EditorEvent,
 916        window: &mut Window,
 917        cx: &mut Context<Self>,
 918    ) {
 919        let Some(thread) = self.thread() else { return };
 920
 921        match event {
 922            EditorEvent::BufferEdited => {
 923                let new_title = title_editor.read(cx).text(cx);
 924                thread.update(cx, |thread, cx| {
 925                    thread
 926                        .set_title(new_title.into(), cx)
 927                        .detach_and_log_err(cx);
 928                })
 929            }
 930            EditorEvent::Blurred => {
 931                if title_editor.read(cx).text(cx).is_empty() {
 932                    title_editor.update(cx, |editor, cx| {
 933                        editor.set_text("New Thread", window, cx);
 934                    });
 935                }
 936            }
 937            _ => {}
 938        }
 939    }
 940
 941    pub fn handle_message_editor_event(
 942        &mut self,
 943        _: &Entity<MessageEditor>,
 944        event: &MessageEditorEvent,
 945        window: &mut Window,
 946        cx: &mut Context<Self>,
 947    ) {
 948        match event {
 949            MessageEditorEvent::Send => self.send(window, cx),
 950            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 951            MessageEditorEvent::Focus => {
 952                self.cancel_editing(&Default::default(), window, cx);
 953            }
 954            MessageEditorEvent::LostFocus => {}
 955        }
 956    }
 957
 958    pub fn handle_entry_view_event(
 959        &mut self,
 960        _: &Entity<EntryViewState>,
 961        event: &EntryViewEvent,
 962        window: &mut Window,
 963        cx: &mut Context<Self>,
 964    ) {
 965        match &event.view_event {
 966            ViewEvent::NewDiff(tool_call_id) => {
 967                if AgentSettings::get_global(cx).expand_edit_card {
 968                    self.expanded_tool_calls.insert(tool_call_id.clone());
 969                }
 970            }
 971            ViewEvent::NewTerminal(tool_call_id) => {
 972                if AgentSettings::get_global(cx).expand_terminal_card {
 973                    self.expanded_tool_calls.insert(tool_call_id.clone());
 974                }
 975            }
 976            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 977                self.expanded_tool_calls.remove(tool_call_id);
 978            }
 979            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 980                if let Some(thread) = self.thread()
 981                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 982                        thread.read(cx).entries().get(event.entry_index)
 983                    && user_message.id.is_some()
 984                {
 985                    self.editing_message = Some(event.entry_index);
 986                    cx.notify();
 987                }
 988            }
 989            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 990                if let Some(thread) = self.thread()
 991                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 992                        thread.read(cx).entries().get(event.entry_index)
 993                    && user_message.id.is_some()
 994                {
 995                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 996                        self.editing_message = None;
 997                        cx.notify();
 998                    }
 999                }
1000            }
1001            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
1002                self.regenerate(event.entry_index, editor.clone(), window, cx);
1003            }
1004            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
1005                self.cancel_editing(&Default::default(), window, cx);
1006            }
1007        }
1008    }
1009
1010    pub fn is_loading(&self) -> bool {
1011        matches!(self.thread_state, ThreadState::Loading { .. })
1012    }
1013
1014    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1015        self.thread_error.take();
1016        let Some(thread) = self.thread() else {
1017            return;
1018        };
1019        if !thread.read(cx).can_resume(cx) {
1020            return;
1021        }
1022
1023        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1024        cx.spawn(async move |this, cx| {
1025            let result = task.await;
1026
1027            this.update(cx, |this, cx| {
1028                if let Err(err) = result {
1029                    this.handle_thread_error(err, cx);
1030                }
1031            })
1032        })
1033        .detach();
1034    }
1035
1036    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1037        let Some(thread) = self.thread() else { return };
1038
1039        if self.is_loading_contents {
1040            return;
1041        }
1042
1043        self.history_store.update(cx, |history, cx| {
1044            history.push_recently_opened_entry(
1045                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1046                cx,
1047            );
1048        });
1049
1050        if thread.read(cx).status() != ThreadStatus::Idle {
1051            self.stop_current_and_send_new_message(window, cx);
1052            return;
1053        }
1054
1055        let text = self.message_editor.read(cx).text(cx);
1056        let text = text.trim();
1057        if text == "/login" || text == "/logout" {
1058            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1059                return;
1060            };
1061
1062            let connection = thread.read(cx).connection().clone();
1063            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1064            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1065            let logout_supported = text == "/logout"
1066                && self
1067                    .available_commands
1068                    .borrow()
1069                    .iter()
1070                    .any(|command| command.name == "logout");
1071            if can_login && !logout_supported {
1072                self.message_editor
1073                    .update(cx, |editor, cx| editor.clear(window, cx));
1074
1075                let this = cx.weak_entity();
1076                let agent = self.agent.clone();
1077                window.defer(cx, |window, cx| {
1078                    Self::handle_auth_required(
1079                        this,
1080                        AuthRequired {
1081                            description: None,
1082                            provider_id: None,
1083                        },
1084                        agent,
1085                        connection,
1086                        window,
1087                        cx,
1088                    );
1089                });
1090                cx.notify();
1091                return;
1092            }
1093        }
1094
1095        self.send_impl(self.message_editor.clone(), window, cx)
1096    }
1097
1098    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1099        let Some(thread) = self.thread().cloned() else {
1100            return;
1101        };
1102
1103        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1104
1105        cx.spawn_in(window, async move |this, cx| {
1106            cancelled.await;
1107
1108            this.update_in(cx, |this, window, cx| {
1109                this.send_impl(this.message_editor.clone(), window, cx);
1110            })
1111            .ok();
1112        })
1113        .detach();
1114    }
1115
1116    fn send_impl(
1117        &mut self,
1118        message_editor: Entity<MessageEditor>,
1119        window: &mut Window,
1120        cx: &mut Context<Self>,
1121    ) {
1122        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1123            // Include full contents when using minimal profile
1124            let thread = thread.read(cx);
1125            AgentSettings::get_global(cx)
1126                .profiles
1127                .get(thread.profile())
1128                .is_some_and(|profile| profile.tools.is_empty())
1129        });
1130
1131        let contents = message_editor.update(cx, |message_editor, cx| {
1132            message_editor.contents(full_mention_content, cx)
1133        });
1134
1135        self.thread_error.take();
1136        self.editing_message.take();
1137        self.thread_feedback.clear();
1138
1139        let Some(thread) = self.thread() else {
1140            return;
1141        };
1142        let session_id = thread.read(cx).session_id().clone();
1143        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
1144        let thread = thread.downgrade();
1145        if self.should_be_following {
1146            self.workspace
1147                .update(cx, |workspace, cx| {
1148                    workspace.follow(CollaboratorId::Agent, window, cx);
1149                })
1150                .ok();
1151        }
1152
1153        self.is_loading_contents = true;
1154        let model_id = self.current_model_id(cx);
1155        let mode_id = self.current_mode_id(cx);
1156        let guard = cx.new(|_| ());
1157        cx.observe_release(&guard, |this, _guard, cx| {
1158            this.is_loading_contents = false;
1159            cx.notify();
1160        })
1161        .detach();
1162
1163        let task = cx.spawn_in(window, async move |this, cx| {
1164            let (contents, tracked_buffers) = contents.await?;
1165
1166            if contents.is_empty() {
1167                return Ok(());
1168            }
1169
1170            this.update_in(cx, |this, window, cx| {
1171                this.in_flight_prompt = Some(contents.clone());
1172                this.set_editor_is_expanded(false, cx);
1173                this.scroll_to_bottom(cx);
1174                this.message_editor.update(cx, |message_editor, cx| {
1175                    message_editor.clear(window, cx);
1176                });
1177            })?;
1178            let turn_start_time = Instant::now();
1179            let send = thread.update(cx, |thread, cx| {
1180                thread.action_log().update(cx, |action_log, cx| {
1181                    for buffer in tracked_buffers {
1182                        action_log.buffer_read(buffer, cx)
1183                    }
1184                });
1185                drop(guard);
1186
1187                telemetry::event!(
1188                    "Agent Message Sent",
1189                    agent = agent_telemetry_id,
1190                    session = session_id,
1191                    model = model_id,
1192                    mode = mode_id
1193                );
1194
1195                thread.send(contents, cx)
1196            })?;
1197            let res = send.await;
1198            let turn_time_ms = turn_start_time.elapsed().as_millis();
1199            let status = if res.is_ok() {
1200                this.update(cx, |this, _| this.in_flight_prompt.take()).ok();
1201                "success"
1202            } else {
1203                "failure"
1204            };
1205            telemetry::event!(
1206                "Agent Turn Completed",
1207                agent = agent_telemetry_id,
1208                session = session_id,
1209                model = model_id,
1210                mode = mode_id,
1211                status,
1212                turn_time_ms,
1213            );
1214            res
1215        });
1216
1217        cx.spawn(async move |this, cx| {
1218            if let Err(err) = task.await {
1219                this.update(cx, |this, cx| {
1220                    this.handle_thread_error(err, cx);
1221                })
1222                .ok();
1223            } else {
1224                this.update(cx, |this, cx| {
1225                    this.should_be_following = this
1226                        .workspace
1227                        .update(cx, |workspace, _| {
1228                            workspace.is_being_followed(CollaboratorId::Agent)
1229                        })
1230                        .unwrap_or_default();
1231                })
1232                .ok();
1233            }
1234        })
1235        .detach();
1236    }
1237
1238    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1239        let Some(thread) = self.thread().cloned() else {
1240            return;
1241        };
1242
1243        if let Some(index) = self.editing_message.take()
1244            && let Some(editor) = self
1245                .entry_view_state
1246                .read(cx)
1247                .entry(index)
1248                .and_then(|e| e.message_editor())
1249                .cloned()
1250        {
1251            editor.update(cx, |editor, cx| {
1252                if let Some(user_message) = thread
1253                    .read(cx)
1254                    .entries()
1255                    .get(index)
1256                    .and_then(|e| e.user_message())
1257                {
1258                    editor.set_message(user_message.chunks.clone(), window, cx);
1259                }
1260            })
1261        };
1262        self.focus_handle(cx).focus(window);
1263        cx.notify();
1264    }
1265
1266    fn regenerate(
1267        &mut self,
1268        entry_ix: usize,
1269        message_editor: Entity<MessageEditor>,
1270        window: &mut Window,
1271        cx: &mut Context<Self>,
1272    ) {
1273        let Some(thread) = self.thread().cloned() else {
1274            return;
1275        };
1276        if self.is_loading_contents {
1277            return;
1278        }
1279
1280        let Some(user_message_id) = thread.update(cx, |thread, _| {
1281            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1282        }) else {
1283            return;
1284        };
1285
1286        cx.spawn_in(window, async move |this, cx| {
1287            // Check if there are any edits from prompts before the one being regenerated.
1288            //
1289            // If there are, we keep/accept them since we're not regenerating the prompt that created them.
1290            //
1291            // If editing the prompt that generated the edits, they are auto-rejected
1292            // through the `rewind` function in the `acp_thread`.
1293            let has_earlier_edits = thread.read_with(cx, |thread, _| {
1294                thread
1295                    .entries()
1296                    .iter()
1297                    .take(entry_ix)
1298                    .any(|entry| entry.diffs().next().is_some())
1299            })?;
1300
1301            if has_earlier_edits {
1302                thread.update(cx, |thread, cx| {
1303                    thread.action_log().update(cx, |action_log, cx| {
1304                        action_log.keep_all_edits(None, cx);
1305                    });
1306                })?;
1307            }
1308
1309            thread
1310                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1311                .await?;
1312            this.update_in(cx, |this, window, cx| {
1313                this.send_impl(message_editor, window, cx);
1314                this.focus_handle(cx).focus(window);
1315            })?;
1316            anyhow::Ok(())
1317        })
1318        .detach_and_log_err(cx);
1319    }
1320
1321    fn open_edited_buffer(
1322        &mut self,
1323        buffer: &Entity<Buffer>,
1324        window: &mut Window,
1325        cx: &mut Context<Self>,
1326    ) {
1327        let Some(thread) = self.thread() else {
1328            return;
1329        };
1330
1331        let Some(diff) =
1332            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1333        else {
1334            return;
1335        };
1336
1337        diff.update(cx, |diff, cx| {
1338            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1339        })
1340    }
1341
1342    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1343        let Some(thread) = self.as_native_thread(cx) else {
1344            return;
1345        };
1346        let project_context = thread.read(cx).project_context().read(cx);
1347
1348        let project_entry_ids = project_context
1349            .worktrees
1350            .iter()
1351            .flat_map(|worktree| worktree.rules_file.as_ref())
1352            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1353            .collect::<Vec<_>>();
1354
1355        self.workspace
1356            .update(cx, move |workspace, cx| {
1357                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1358                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1359                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1360                let project = workspace.project().read(cx);
1361                let project_paths = project_entry_ids
1362                    .into_iter()
1363                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1364                    .collect::<Vec<_>>();
1365                for project_path in project_paths {
1366                    workspace
1367                        .open_path(project_path, None, true, window, cx)
1368                        .detach_and_log_err(cx);
1369                }
1370            })
1371            .ok();
1372    }
1373
1374    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1375        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1376        cx.notify();
1377    }
1378
1379    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1380        self.thread_error = None;
1381        self.thread_error_markdown = None;
1382        cx.notify();
1383    }
1384
1385    fn handle_thread_event(
1386        &mut self,
1387        thread: &Entity<AcpThread>,
1388        event: &AcpThreadEvent,
1389        window: &mut Window,
1390        cx: &mut Context<Self>,
1391    ) {
1392        match event {
1393            AcpThreadEvent::NewEntry => {
1394                let len = thread.read(cx).entries().len();
1395                let index = len - 1;
1396                self.entry_view_state.update(cx, |view_state, cx| {
1397                    view_state.sync_entry(index, thread, window, cx);
1398                    self.list_state.splice_focusable(
1399                        index..index,
1400                        [view_state
1401                            .entry(index)
1402                            .and_then(|entry| entry.focus_handle(cx))],
1403                    );
1404                });
1405            }
1406            AcpThreadEvent::EntryUpdated(index) => {
1407                self.entry_view_state.update(cx, |view_state, cx| {
1408                    view_state.sync_entry(*index, thread, window, cx)
1409                });
1410            }
1411            AcpThreadEvent::EntriesRemoved(range) => {
1412                self.entry_view_state
1413                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1414                self.list_state.splice(range.clone(), 0);
1415            }
1416            AcpThreadEvent::ToolAuthorizationRequired => {
1417                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1418            }
1419            AcpThreadEvent::Retry(retry) => {
1420                self.thread_retry_status = Some(retry.clone());
1421            }
1422            AcpThreadEvent::Stopped => {
1423                self.thread_retry_status.take();
1424                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1425                self.notify_with_sound(
1426                    if used_tools {
1427                        "Finished running tools"
1428                    } else {
1429                        "New message"
1430                    },
1431                    IconName::ZedAssistant,
1432                    window,
1433                    cx,
1434                );
1435            }
1436            AcpThreadEvent::Refusal => {
1437                self.thread_retry_status.take();
1438                self.thread_error = Some(ThreadError::Refusal);
1439                let model_or_agent_name = self.current_model_name(cx);
1440                let notification_message =
1441                    format!("{} refused to respond to this request", model_or_agent_name);
1442                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1443            }
1444            AcpThreadEvent::Error => {
1445                self.thread_retry_status.take();
1446                self.notify_with_sound(
1447                    "Agent stopped due to an error",
1448                    IconName::Warning,
1449                    window,
1450                    cx,
1451                );
1452            }
1453            AcpThreadEvent::LoadError(error) => {
1454                self.thread_retry_status.take();
1455                self.thread_state = ThreadState::LoadError(error.clone());
1456                if self.message_editor.focus_handle(cx).is_focused(window) {
1457                    self.focus_handle.focus(window)
1458                }
1459            }
1460            AcpThreadEvent::TitleUpdated => {
1461                let title = thread.read(cx).title();
1462                if let Some(title_editor) = self.title_editor() {
1463                    title_editor.update(cx, |editor, cx| {
1464                        if editor.text(cx) != title {
1465                            editor.set_text(title, window, cx);
1466                        }
1467                    });
1468                }
1469            }
1470            AcpThreadEvent::PromptCapabilitiesUpdated => {
1471                self.prompt_capabilities
1472                    .replace(thread.read(cx).prompt_capabilities());
1473            }
1474            AcpThreadEvent::TokenUsageUpdated => {}
1475            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1476                let mut available_commands = available_commands.clone();
1477
1478                if thread
1479                    .read(cx)
1480                    .connection()
1481                    .auth_methods()
1482                    .iter()
1483                    .any(|method| method.id.0.as_ref() == "claude-login")
1484                {
1485                    available_commands.push(acp::AvailableCommand::new("login", "Authenticate"));
1486                    available_commands.push(acp::AvailableCommand::new("logout", "Authenticate"));
1487                }
1488
1489                let has_commands = !available_commands.is_empty();
1490                self.available_commands.replace(available_commands);
1491
1492                let new_placeholder = placeholder_text(self.agent.name().as_ref(), has_commands);
1493
1494                self.message_editor.update(cx, |editor, cx| {
1495                    editor.set_placeholder_text(&new_placeholder, window, cx);
1496                });
1497            }
1498            AcpThreadEvent::ModeUpdated(_mode) => {
1499                // The connection keeps track of the mode
1500                cx.notify();
1501            }
1502        }
1503        cx.notify();
1504    }
1505
1506    fn authenticate(
1507        &mut self,
1508        method: acp::AuthMethodId,
1509        window: &mut Window,
1510        cx: &mut Context<Self>,
1511    ) {
1512        let ThreadState::Unauthenticated {
1513            connection,
1514            pending_auth_method,
1515            configuration_view,
1516            ..
1517        } = &mut self.thread_state
1518        else {
1519            return;
1520        };
1521        let agent_telemetry_id = connection.telemetry_id();
1522
1523        // Check for the experimental "terminal-auth" _meta field
1524        let auth_method = connection.auth_methods().iter().find(|m| m.id == method);
1525
1526        if let Some(auth_method) = auth_method {
1527            if let Some(meta) = &auth_method.meta {
1528                if let Some(terminal_auth) = meta.get("terminal-auth") {
1529                    // Extract terminal auth details from meta
1530                    if let (Some(command), Some(label)) = (
1531                        terminal_auth.get("command").and_then(|v| v.as_str()),
1532                        terminal_auth.get("label").and_then(|v| v.as_str()),
1533                    ) {
1534                        let args = terminal_auth
1535                            .get("args")
1536                            .and_then(|v| v.as_array())
1537                            .map(|arr| {
1538                                arr.iter()
1539                                    .filter_map(|v| v.as_str().map(String::from))
1540                                    .collect()
1541                            })
1542                            .unwrap_or_default();
1543
1544                        let env = terminal_auth
1545                            .get("env")
1546                            .and_then(|v| v.as_object())
1547                            .map(|obj| {
1548                                obj.iter()
1549                                    .filter_map(|(k, v)| {
1550                                        v.as_str().map(|val| (k.clone(), val.to_string()))
1551                                    })
1552                                    .collect::<HashMap<String, String>>()
1553                            })
1554                            .unwrap_or_default();
1555
1556                        // Run SpawnInTerminal in the same dir as the ACP server
1557                        let cwd = connection
1558                            .clone()
1559                            .downcast::<agent_servers::AcpConnection>()
1560                            .map(|acp_conn| acp_conn.root_dir().to_path_buf());
1561
1562                        // Build SpawnInTerminal from _meta
1563                        let login = task::SpawnInTerminal {
1564                            id: task::TaskId(format!("external-agent-{}-login", label)),
1565                            full_label: label.to_string(),
1566                            label: label.to_string(),
1567                            command: Some(command.to_string()),
1568                            args,
1569                            command_label: label.to_string(),
1570                            cwd,
1571                            env,
1572                            use_new_terminal: true,
1573                            allow_concurrent_runs: true,
1574                            hide: task::HideStrategy::Always,
1575                            ..Default::default()
1576                        };
1577
1578                        self.thread_error.take();
1579                        configuration_view.take();
1580                        pending_auth_method.replace(method.clone());
1581
1582                        if let Some(workspace) = self.workspace.upgrade() {
1583                            let project = self.project.clone();
1584                            let authenticate = Self::spawn_external_agent_login(
1585                                login, workspace, project, false, true, window, cx,
1586                            );
1587                            cx.notify();
1588                            self.auth_task = Some(cx.spawn_in(window, {
1589                                async move |this, cx| {
1590                                    let result = authenticate.await;
1591
1592                                    match &result {
1593                                        Ok(_) => telemetry::event!(
1594                                            "Authenticate Agent Succeeded",
1595                                            agent = agent_telemetry_id
1596                                        ),
1597                                        Err(_) => {
1598                                            telemetry::event!(
1599                                                "Authenticate Agent Failed",
1600                                                agent = agent_telemetry_id,
1601                                            )
1602                                        }
1603                                    }
1604
1605                                    this.update_in(cx, |this, window, cx| {
1606                                        if let Err(err) = result {
1607                                            if let ThreadState::Unauthenticated {
1608                                                pending_auth_method,
1609                                                ..
1610                                            } = &mut this.thread_state
1611                                            {
1612                                                pending_auth_method.take();
1613                                            }
1614                                            this.handle_thread_error(err, cx);
1615                                        } else {
1616                                            this.reset(window, cx);
1617                                        }
1618                                        this.auth_task.take()
1619                                    })
1620                                    .ok();
1621                                }
1622                            }));
1623                        }
1624                        return;
1625                    }
1626                }
1627            }
1628        }
1629
1630        if method.0.as_ref() == "gemini-api-key" {
1631            let registry = LanguageModelRegistry::global(cx);
1632            let provider = registry
1633                .read(cx)
1634                .provider(&language_model::GOOGLE_PROVIDER_ID)
1635                .unwrap();
1636            if !provider.is_authenticated(cx) {
1637                let this = cx.weak_entity();
1638                let agent = self.agent.clone();
1639                let connection = connection.clone();
1640                window.defer(cx, |window, cx| {
1641                    Self::handle_auth_required(
1642                        this,
1643                        AuthRequired {
1644                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1645                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1646                        },
1647                        agent,
1648                        connection,
1649                        window,
1650                        cx,
1651                    );
1652                });
1653                return;
1654            }
1655        } else if method.0.as_ref() == "anthropic-api-key" {
1656            let registry = LanguageModelRegistry::global(cx);
1657            let provider = registry
1658                .read(cx)
1659                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1660                .unwrap();
1661            let this = cx.weak_entity();
1662            let agent = self.agent.clone();
1663            let connection = connection.clone();
1664            window.defer(cx, move |window, cx| {
1665                if !provider.is_authenticated(cx) {
1666                    Self::handle_auth_required(
1667                        this,
1668                        AuthRequired {
1669                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1670                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1671                        },
1672                        agent,
1673                        connection,
1674                        window,
1675                        cx,
1676                    );
1677                } else {
1678                    this.update(cx, |this, cx| {
1679                        this.thread_state = Self::initial_state(
1680                            agent,
1681                            None,
1682                            this.workspace.clone(),
1683                            this.project.clone(),
1684                            true,
1685                            window,
1686                            cx,
1687                        )
1688                    })
1689                    .ok();
1690                }
1691            });
1692            return;
1693        } else if method.0.as_ref() == "vertex-ai"
1694            && std::env::var("GOOGLE_API_KEY").is_err()
1695            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1696                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1697        {
1698            let this = cx.weak_entity();
1699            let agent = self.agent.clone();
1700            let connection = connection.clone();
1701
1702            window.defer(cx, |window, cx| {
1703                    Self::handle_auth_required(
1704                        this,
1705                        AuthRequired {
1706                            description: Some(
1707                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1708                                    .to_owned(),
1709                            ),
1710                            provider_id: None,
1711                        },
1712                        agent,
1713                        connection,
1714                        window,
1715                        cx,
1716                    )
1717                });
1718            return;
1719        }
1720
1721        self.thread_error.take();
1722        configuration_view.take();
1723        pending_auth_method.replace(method.clone());
1724        let authenticate = if (method.0.as_ref() == "claude-login"
1725            || method.0.as_ref() == "spawn-gemini-cli")
1726            && let Some(login) = self.login.clone()
1727        {
1728            if let Some(workspace) = self.workspace.upgrade() {
1729                let project = self.project.clone();
1730                Self::spawn_external_agent_login(
1731                    login, workspace, project, false, false, window, cx,
1732                )
1733            } else {
1734                Task::ready(Ok(()))
1735            }
1736        } else {
1737            connection.authenticate(method, cx)
1738        };
1739        cx.notify();
1740        self.auth_task = Some(cx.spawn_in(window, {
1741            async move |this, cx| {
1742                let result = authenticate.await;
1743
1744                match &result {
1745                    Ok(_) => telemetry::event!(
1746                        "Authenticate Agent Succeeded",
1747                        agent = agent_telemetry_id
1748                    ),
1749                    Err(_) => {
1750                        telemetry::event!("Authenticate Agent Failed", agent = agent_telemetry_id,)
1751                    }
1752                }
1753
1754                this.update_in(cx, |this, window, cx| {
1755                    if let Err(err) = result {
1756                        if let ThreadState::Unauthenticated {
1757                            pending_auth_method,
1758                            ..
1759                        } = &mut this.thread_state
1760                        {
1761                            pending_auth_method.take();
1762                        }
1763                        this.handle_thread_error(err, cx);
1764                    } else {
1765                        this.reset(window, cx);
1766                    }
1767                    this.auth_task.take()
1768                })
1769                .ok();
1770            }
1771        }));
1772    }
1773
1774    fn spawn_external_agent_login(
1775        login: task::SpawnInTerminal,
1776        workspace: Entity<Workspace>,
1777        project: Entity<Project>,
1778        previous_attempt: bool,
1779        check_exit_code: bool,
1780        window: &mut Window,
1781        cx: &mut App,
1782    ) -> Task<Result<()>> {
1783        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1784            return Task::ready(Ok(()));
1785        };
1786
1787        window.spawn(cx, async move |cx| {
1788            let mut task = login.clone();
1789            if let Some(cmd) = &task.command {
1790                // Have "node" command use Zed's managed Node runtime by default
1791                if cmd == "node" {
1792                    let resolved_node_runtime = project
1793                        .update(cx, |project, cx| {
1794                            let agent_server_store = project.agent_server_store().clone();
1795                            agent_server_store.update(cx, |store, cx| {
1796                                store.node_runtime().map(|node_runtime| {
1797                                    cx.background_spawn(async move {
1798                                        node_runtime.binary_path().await
1799                                    })
1800                                })
1801                            })
1802                        });
1803
1804                    if let Ok(Some(resolve_task)) = resolved_node_runtime {
1805                        if let Ok(node_path) = resolve_task.await {
1806                            task.command = Some(node_path.to_string_lossy().to_string());
1807                        }
1808                    }
1809                }
1810            }
1811            task.shell = task::Shell::WithArguments {
1812                program: task.command.take().expect("login command should be set"),
1813                args: std::mem::take(&mut task.args),
1814                title_override: None
1815            };
1816            task.full_label = task.label.clone();
1817            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1818            task.command_label = task.label.clone();
1819            task.use_new_terminal = true;
1820            task.allow_concurrent_runs = true;
1821            task.hide = task::HideStrategy::Always;
1822
1823            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1824                terminal_panel.spawn_task(&task, window, cx)
1825            })?;
1826
1827            let terminal = terminal.await?;
1828
1829            if check_exit_code {
1830                // For extension-based auth, wait for the process to exit and check exit code
1831                let exit_status = terminal
1832                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1833                    .await;
1834
1835                match exit_status {
1836                    Some(status) if status.success() => {
1837                        Ok(())
1838                    }
1839                    Some(status) => {
1840                        Err(anyhow!("Login command failed with exit code: {:?}", status.code()))
1841                    }
1842                    None => {
1843                        Err(anyhow!("Login command terminated without exit status"))
1844                    }
1845                }
1846            } else {
1847                // For hardcoded agents (claude-login, gemini-cli): look for specific output
1848                let mut exit_status = terminal
1849                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1850                    .fuse();
1851
1852                let logged_in = cx
1853                    .spawn({
1854                        let terminal = terminal.clone();
1855                        async move |cx| {
1856                            loop {
1857                                cx.background_executor().timer(Duration::from_secs(1)).await;
1858                                let content =
1859                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1860                                if content.contains("Login successful")
1861                                    || content.contains("Type your message")
1862                                {
1863                                    return anyhow::Ok(());
1864                                }
1865                            }
1866                        }
1867                    })
1868                    .fuse();
1869                futures::pin_mut!(logged_in);
1870                futures::select_biased! {
1871                    result = logged_in => {
1872                        if let Err(e) = result {
1873                            log::error!("{e}");
1874                            return Err(anyhow!("exited before logging in"));
1875                        }
1876                    }
1877                    _ = exit_status => {
1878                        if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1879                            return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, project.clone(), true, false, window, cx))?.await
1880                        }
1881                        return Err(anyhow!("exited before logging in"));
1882                    }
1883                }
1884                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1885                Ok(())
1886            }
1887        })
1888    }
1889
1890    fn authorize_tool_call(
1891        &mut self,
1892        tool_call_id: acp::ToolCallId,
1893        option_id: acp::PermissionOptionId,
1894        option_kind: acp::PermissionOptionKind,
1895        window: &mut Window,
1896        cx: &mut Context<Self>,
1897    ) {
1898        let Some(thread) = self.thread() else {
1899            return;
1900        };
1901        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
1902
1903        telemetry::event!(
1904            "Agent Tool Call Authorized",
1905            agent = agent_telemetry_id,
1906            session = thread.read(cx).session_id(),
1907            option = option_kind
1908        );
1909
1910        thread.update(cx, |thread, cx| {
1911            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1912        });
1913        if self.should_be_following {
1914            self.workspace
1915                .update(cx, |workspace, cx| {
1916                    workspace.follow(CollaboratorId::Agent, window, cx);
1917                })
1918                .ok();
1919        }
1920        cx.notify();
1921    }
1922
1923    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1924        let Some(thread) = self.thread() else {
1925            return;
1926        };
1927
1928        thread
1929            .update(cx, |thread, cx| {
1930                thread.restore_checkpoint(message_id.clone(), cx)
1931            })
1932            .detach_and_log_err(cx);
1933    }
1934
1935    fn render_entry(
1936        &self,
1937        entry_ix: usize,
1938        total_entries: usize,
1939        entry: &AgentThreadEntry,
1940        window: &mut Window,
1941        cx: &Context<Self>,
1942    ) -> AnyElement {
1943        let is_indented = entry.is_indented();
1944        let is_first_indented = is_indented
1945            && self.thread().is_some_and(|thread| {
1946                thread
1947                    .read(cx)
1948                    .entries()
1949                    .get(entry_ix.saturating_sub(1))
1950                    .is_none_or(|entry| !entry.is_indented())
1951            });
1952
1953        let primary = match &entry {
1954            AgentThreadEntry::UserMessage(message) => {
1955                let Some(editor) = self
1956                    .entry_view_state
1957                    .read(cx)
1958                    .entry(entry_ix)
1959                    .and_then(|entry| entry.message_editor())
1960                    .cloned()
1961                else {
1962                    return Empty.into_any_element();
1963                };
1964
1965                let editing = self.editing_message == Some(entry_ix);
1966                let editor_focus = editor.focus_handle(cx).is_focused(window);
1967                let focus_border = cx.theme().colors().border_focused;
1968
1969                let rules_item = if entry_ix == 0 {
1970                    self.render_rules_item(cx)
1971                } else {
1972                    None
1973                };
1974
1975                let has_checkpoint_button = message
1976                    .checkpoint
1977                    .as_ref()
1978                    .is_some_and(|checkpoint| checkpoint.show);
1979
1980                let agent_name = self.agent.name();
1981
1982                v_flex()
1983                    .id(("user_message", entry_ix))
1984                    .map(|this| {
1985                        if is_first_indented {
1986                            this.pt_0p5()
1987                        } else if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1988                            this.pt(rems_from_px(18.))
1989                        } else if rules_item.is_some() {
1990                            this.pt_3()
1991                        } else {
1992                            this.pt_2()
1993                        }
1994                    })
1995                    .pb_3()
1996                    .px_2()
1997                    .gap_1p5()
1998                    .w_full()
1999                    .children(rules_item)
2000                    .children(message.id.clone().and_then(|message_id| {
2001                        message.checkpoint.as_ref()?.show.then(|| {
2002                            h_flex()
2003                                .px_3()
2004                                .gap_2()
2005                                .child(Divider::horizontal())
2006                                .child(
2007                                    Button::new("restore-checkpoint", "Restore Checkpoint")
2008                                        .icon(IconName::Undo)
2009                                        .icon_size(IconSize::XSmall)
2010                                        .icon_position(IconPosition::Start)
2011                                        .label_size(LabelSize::XSmall)
2012                                        .icon_color(Color::Muted)
2013                                        .color(Color::Muted)
2014                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
2015                                        .on_click(cx.listener(move |this, _, _window, cx| {
2016                                            this.restore_checkpoint(&message_id, cx);
2017                                        }))
2018                                )
2019                                .child(Divider::horizontal())
2020                        })
2021                    }))
2022                    .child(
2023                        div()
2024                            .relative()
2025                            .child(
2026                                div()
2027                                    .py_3()
2028                                    .px_2()
2029                                    .rounded_md()
2030                                    .shadow_md()
2031                                    .bg(cx.theme().colors().editor_background)
2032                                    .border_1()
2033                                    .when(is_indented, |this| {
2034                                        this.py_2().px_2().shadow_sm()
2035                                    })
2036                                    .when(editing && !editor_focus, |this| this.border_dashed())
2037                                    .border_color(cx.theme().colors().border)
2038                                    .map(|this|{
2039                                        if editing && editor_focus {
2040                                            this.border_color(focus_border)
2041                                        } else if message.id.is_some() {
2042                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
2043                                        } else {
2044                                            this
2045                                        }
2046                                    })
2047                                    .text_xs()
2048                                    .child(editor.clone().into_any_element()),
2049                            )
2050                            .when(editor_focus, |this| {
2051                                let base_container = h_flex()
2052                                    .absolute()
2053                                    .top_neg_3p5()
2054                                    .right_3()
2055                                    .gap_1()
2056                                    .rounded_sm()
2057                                    .border_1()
2058                                    .border_color(cx.theme().colors().border)
2059                                    .bg(cx.theme().colors().editor_background)
2060                                    .overflow_hidden();
2061
2062                                if message.id.is_some() {
2063                                    this.child(
2064                                        base_container
2065                                            .child(
2066                                                IconButton::new("cancel", IconName::Close)
2067                                                    .disabled(self.is_loading_contents)
2068                                                    .icon_color(Color::Error)
2069                                                    .icon_size(IconSize::XSmall)
2070                                                    .on_click(cx.listener(Self::cancel_editing))
2071                                            )
2072                                            .child(
2073                                                if self.is_loading_contents {
2074                                                    div()
2075                                                        .id("loading-edited-message-content")
2076                                                        .tooltip(Tooltip::text("Loading Added Context…"))
2077                                                        .child(loading_contents_spinner(IconSize::XSmall))
2078                                                        .into_any_element()
2079                                                } else {
2080                                                    IconButton::new("regenerate", IconName::Return)
2081                                                        .icon_color(Color::Muted)
2082                                                        .icon_size(IconSize::XSmall)
2083                                                        .tooltip(Tooltip::text(
2084                                                            "Editing will restart the thread from this point."
2085                                                        ))
2086                                                        .on_click(cx.listener({
2087                                                            let editor = editor.clone();
2088                                                            move |this, _, window, cx| {
2089                                                                this.regenerate(
2090                                                                    entry_ix, editor.clone(), window, cx,
2091                                                                );
2092                                                            }
2093                                                        })).into_any_element()
2094                                                }
2095                                            )
2096                                    )
2097                                } else {
2098                                    this.child(
2099                                        base_container
2100                                            .border_dashed()
2101                                            .child(
2102                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
2103                                                    .icon_size(IconSize::Small)
2104                                                    .icon_color(Color::Muted)
2105                                                    .style(ButtonStyle::Transparent)
2106                                                    .tooltip(Tooltip::element({
2107                                                        move |_, _| {
2108                                                            v_flex()
2109                                                                .gap_1()
2110                                                                .child(Label::new("Unavailable Editing")).child(
2111                                                                    div().max_w_64().child(
2112                                                                        Label::new(format!(
2113                                                                            "Editing previous messages is not available for {} yet.",
2114                                                                            agent_name.clone()
2115                                                                        ))
2116                                                                        .size(LabelSize::Small)
2117                                                                        .color(Color::Muted),
2118                                                                    ),
2119                                                                )
2120                                                                .into_any_element()
2121                                                        }
2122                                                    }))
2123                                            )
2124                                    )
2125                                }
2126                            }),
2127                    )
2128                    .into_any()
2129            }
2130            AgentThreadEntry::AssistantMessage(AssistantMessage {
2131                chunks,
2132                indented: _,
2133            }) => {
2134                let is_last = entry_ix + 1 == total_entries;
2135
2136                let style = default_markdown_style(false, false, window, cx);
2137                let message_body = v_flex()
2138                    .w_full()
2139                    .gap_3()
2140                    .children(chunks.iter().enumerate().filter_map(
2141                        |(chunk_ix, chunk)| match chunk {
2142                            AssistantMessageChunk::Message { block } => {
2143                                block.markdown().map(|md| {
2144                                    self.render_markdown(md.clone(), style.clone())
2145                                        .into_any_element()
2146                                })
2147                            }
2148                            AssistantMessageChunk::Thought { block } => {
2149                                block.markdown().map(|md| {
2150                                    self.render_thinking_block(
2151                                        entry_ix,
2152                                        chunk_ix,
2153                                        md.clone(),
2154                                        window,
2155                                        cx,
2156                                    )
2157                                    .into_any_element()
2158                                })
2159                            }
2160                        },
2161                    ))
2162                    .into_any();
2163
2164                v_flex()
2165                    .px_5()
2166                    .py_1p5()
2167                    .when(is_first_indented, |this| this.pt_0p5())
2168                    .when(is_last, |this| this.pb_4())
2169                    .w_full()
2170                    .text_ui(cx)
2171                    .child(message_body)
2172                    .into_any()
2173            }
2174            AgentThreadEntry::ToolCall(tool_call) => {
2175                let has_terminals = tool_call.terminals().next().is_some();
2176
2177                div()
2178                    .w_full()
2179                    .map(|this| {
2180                        if has_terminals {
2181                            this.children(tool_call.terminals().map(|terminal| {
2182                                self.render_terminal_tool_call(
2183                                    entry_ix, terminal, tool_call, window, cx,
2184                                )
2185                            }))
2186                        } else {
2187                            this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
2188                        }
2189                    })
2190                    .into_any()
2191            }
2192        };
2193
2194        let primary = if is_indented {
2195            let line_top = if is_first_indented {
2196                rems_from_px(-12.0)
2197            } else {
2198                rems_from_px(0.0)
2199            };
2200
2201            div()
2202                .relative()
2203                .w_full()
2204                .pl(rems_from_px(20.0))
2205                .bg(cx.theme().colors().panel_background.opacity(0.2))
2206                .child(
2207                    div()
2208                        .absolute()
2209                        .left(rems_from_px(18.0))
2210                        .top(line_top)
2211                        .bottom_0()
2212                        .w_px()
2213                        .bg(cx.theme().colors().border.opacity(0.6)),
2214                )
2215                .child(primary)
2216                .into_any_element()
2217        } else {
2218            primary
2219        };
2220
2221        let needs_confirmation = if let AgentThreadEntry::ToolCall(tool_call) = entry {
2222            matches!(
2223                tool_call.status,
2224                ToolCallStatus::WaitingForConfirmation { .. }
2225            )
2226        } else {
2227            false
2228        };
2229
2230        let Some(thread) = self.thread() else {
2231            return primary;
2232        };
2233
2234        let primary = if entry_ix == total_entries - 1 {
2235            v_flex()
2236                .w_full()
2237                .child(primary)
2238                .map(|this| {
2239                    if needs_confirmation {
2240                        this.child(self.render_generating(true))
2241                    } else {
2242                        this.child(self.render_thread_controls(&thread, cx))
2243                    }
2244                })
2245                .when_some(
2246                    self.thread_feedback.comments_editor.clone(),
2247                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
2248                )
2249                .into_any_element()
2250        } else {
2251            primary
2252        };
2253
2254        if let Some(editing_index) = self.editing_message.as_ref()
2255            && *editing_index < entry_ix
2256        {
2257            let backdrop = div()
2258                .id(("backdrop", entry_ix))
2259                .size_full()
2260                .absolute()
2261                .inset_0()
2262                .bg(cx.theme().colors().panel_background)
2263                .opacity(0.8)
2264                .block_mouse_except_scroll()
2265                .on_click(cx.listener(Self::cancel_editing));
2266
2267            div()
2268                .relative()
2269                .child(primary)
2270                .child(backdrop)
2271                .into_any_element()
2272        } else {
2273            primary
2274        }
2275    }
2276
2277    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2278        cx.theme()
2279            .colors()
2280            .element_background
2281            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2282    }
2283
2284    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2285        cx.theme().colors().border.opacity(0.8)
2286    }
2287
2288    fn tool_name_font_size(&self) -> Rems {
2289        rems_from_px(13.)
2290    }
2291
2292    fn render_thinking_block(
2293        &self,
2294        entry_ix: usize,
2295        chunk_ix: usize,
2296        chunk: Entity<Markdown>,
2297        window: &Window,
2298        cx: &Context<Self>,
2299    ) -> AnyElement {
2300        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2301        let card_header_id = SharedString::from("inner-card-header");
2302
2303        let key = (entry_ix, chunk_ix);
2304
2305        let is_open = self.expanded_thinking_blocks.contains(&key);
2306
2307        let scroll_handle = self
2308            .entry_view_state
2309            .read(cx)
2310            .entry(entry_ix)
2311            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2312
2313        let thinking_content = {
2314            div()
2315                .id(("thinking-content", chunk_ix))
2316                .when_some(scroll_handle, |this, scroll_handle| {
2317                    this.track_scroll(&scroll_handle)
2318                })
2319                .text_ui_sm(cx)
2320                .overflow_hidden()
2321                .child(
2322                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2323                )
2324        };
2325
2326        v_flex()
2327            .gap_1()
2328            .child(
2329                h_flex()
2330                    .id(header_id)
2331                    .group(&card_header_id)
2332                    .relative()
2333                    .w_full()
2334                    .pr_1()
2335                    .justify_between()
2336                    .child(
2337                        h_flex()
2338                            .h(window.line_height() - px(2.))
2339                            .gap_1p5()
2340                            .overflow_hidden()
2341                            .child(
2342                                Icon::new(IconName::ToolThink)
2343                                    .size(IconSize::Small)
2344                                    .color(Color::Muted),
2345                            )
2346                            .child(
2347                                div()
2348                                    .text_size(self.tool_name_font_size())
2349                                    .text_color(cx.theme().colors().text_muted)
2350                                    .child("Thinking"),
2351                            ),
2352                    )
2353                    .child(
2354                        Disclosure::new(("expand", entry_ix), is_open)
2355                            .opened_icon(IconName::ChevronUp)
2356                            .closed_icon(IconName::ChevronDown)
2357                            .visible_on_hover(&card_header_id)
2358                            .on_click(cx.listener({
2359                                move |this, _event, _window, cx| {
2360                                    if is_open {
2361                                        this.expanded_thinking_blocks.remove(&key);
2362                                    } else {
2363                                        this.expanded_thinking_blocks.insert(key);
2364                                    }
2365                                    cx.notify();
2366                                }
2367                            })),
2368                    )
2369                    .on_click(cx.listener({
2370                        move |this, _event, _window, cx| {
2371                            if is_open {
2372                                this.expanded_thinking_blocks.remove(&key);
2373                            } else {
2374                                this.expanded_thinking_blocks.insert(key);
2375                            }
2376                            cx.notify();
2377                        }
2378                    })),
2379            )
2380            .when(is_open, |this| {
2381                this.child(
2382                    div()
2383                        .ml_1p5()
2384                        .pl_3p5()
2385                        .border_l_1()
2386                        .border_color(self.tool_card_border_color(cx))
2387                        .child(thinking_content),
2388                )
2389            })
2390            .into_any_element()
2391    }
2392
2393    fn render_tool_call(
2394        &self,
2395        entry_ix: usize,
2396        tool_call: &ToolCall,
2397        window: &Window,
2398        cx: &Context<Self>,
2399    ) -> Div {
2400        let has_location = tool_call.locations.len() == 1;
2401        let card_header_id = SharedString::from("inner-tool-call-header");
2402
2403        let failed_or_canceled = match &tool_call.status {
2404            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2405            _ => false,
2406        };
2407
2408        let needs_confirmation = matches!(
2409            tool_call.status,
2410            ToolCallStatus::WaitingForConfirmation { .. }
2411        );
2412        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2413        let is_edit =
2414            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2415
2416        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2417
2418        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2419
2420        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2421
2422        let tool_output_display =
2423            if is_open {
2424                match &tool_call.status {
2425                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2426                        .w_full()
2427                        .children(tool_call.content.iter().enumerate().map(
2428                            |(content_ix, content)| {
2429                                div()
2430                                    .child(self.render_tool_call_content(
2431                                        entry_ix,
2432                                        content,
2433                                        content_ix,
2434                                        tool_call,
2435                                        use_card_layout,
2436                                        window,
2437                                        cx,
2438                                    ))
2439                                    .into_any_element()
2440                            },
2441                        ))
2442                        .child(self.render_permission_buttons(
2443                            tool_call.kind,
2444                            options,
2445                            entry_ix,
2446                            tool_call.id.clone(),
2447                            cx,
2448                        ))
2449                        .into_any(),
2450                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2451                        if is_edit
2452                            && tool_call.content.is_empty()
2453                            && self.as_native_connection(cx).is_some() =>
2454                    {
2455                        self.render_diff_loading(cx).into_any()
2456                    }
2457                    ToolCallStatus::Pending
2458                    | ToolCallStatus::InProgress
2459                    | ToolCallStatus::Completed
2460                    | ToolCallStatus::Failed
2461                    | ToolCallStatus::Canceled => v_flex()
2462                        .w_full()
2463                        .children(tool_call.content.iter().enumerate().map(
2464                            |(content_ix, content)| {
2465                                div().child(self.render_tool_call_content(
2466                                    entry_ix,
2467                                    content,
2468                                    content_ix,
2469                                    tool_call,
2470                                    use_card_layout,
2471                                    window,
2472                                    cx,
2473                                ))
2474                            },
2475                        ))
2476                        .into_any(),
2477                    ToolCallStatus::Rejected => Empty.into_any(),
2478                }
2479                .into()
2480            } else {
2481                None
2482            };
2483
2484        v_flex()
2485            .map(|this| {
2486                if use_card_layout {
2487                    this.my_1p5()
2488                        .rounded_md()
2489                        .border_1()
2490                        .border_color(self.tool_card_border_color(cx))
2491                        .bg(cx.theme().colors().editor_background)
2492                        .overflow_hidden()
2493                } else {
2494                    this.my_1()
2495                }
2496            })
2497            .map(|this| {
2498                if has_location && !use_card_layout {
2499                    this.ml_4()
2500                } else {
2501                    this.ml_5()
2502                }
2503            })
2504            .mr_5()
2505            .map(|this| {
2506                if is_terminal_tool {
2507                    this.child(
2508                        v_flex()
2509                            .p_1p5()
2510                            .gap_0p5()
2511                            .text_ui_sm(cx)
2512                            .bg(self.tool_card_header_bg(cx))
2513                            .child(
2514                                Label::new("Run Command")
2515                                    .buffer_font(cx)
2516                                    .size(LabelSize::XSmall)
2517                                    .color(Color::Muted),
2518                            )
2519                            .child(
2520                                MarkdownElement::new(
2521                                    tool_call.label.clone(),
2522                                    terminal_command_markdown_style(window, cx),
2523                                )
2524                                .code_block_renderer(
2525                                    markdown::CodeBlockRenderer::Default {
2526                                        copy_button: false,
2527                                        copy_button_on_hover: false,
2528                                        border: false,
2529                                    },
2530                                )
2531                            ),
2532                    )
2533                } else {
2534                   this.child(
2535                        h_flex()
2536                            .group(&card_header_id)
2537                            .relative()
2538                            .w_full()
2539                            .gap_1()
2540                            .justify_between()
2541                            .when(use_card_layout, |this| {
2542                                this.p_0p5()
2543                                    .rounded_t(rems_from_px(5.))
2544                                    .bg(self.tool_card_header_bg(cx))
2545                            })
2546                            .child(self.render_tool_call_label(
2547                                entry_ix,
2548                                tool_call,
2549                                is_edit,
2550                                use_card_layout,
2551                                window,
2552                                cx,
2553                            ))
2554                            .when(is_collapsible || failed_or_canceled, |this| {
2555                                this.child(
2556                                    h_flex()
2557                                        .px_1()
2558                                        .gap_px()
2559                                        .when(is_collapsible, |this| {
2560                                            this.child(
2561                                            Disclosure::new(("expand", entry_ix), is_open)
2562                                                .opened_icon(IconName::ChevronUp)
2563                                                .closed_icon(IconName::ChevronDown)
2564                                                .visible_on_hover(&card_header_id)
2565                                                .on_click(cx.listener({
2566                                                    let id = tool_call.id.clone();
2567                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2568                                                        if is_open {
2569                                                            this.expanded_tool_calls.remove(&id);
2570                                                        } else {
2571                                                            this.expanded_tool_calls.insert(id.clone());
2572                                                        }
2573                                                        cx.notify();
2574                                                    }
2575                                                })),
2576                                        )
2577                                        })
2578                                        .when(failed_or_canceled, |this| {
2579                                            this.child(
2580                                                Icon::new(IconName::Close)
2581                                                    .color(Color::Error)
2582                                                    .size(IconSize::Small),
2583                                            )
2584                                        }),
2585                                )
2586                            }),
2587                    )
2588                }
2589            })
2590            .children(tool_output_display)
2591    }
2592
2593    fn render_tool_call_label(
2594        &self,
2595        entry_ix: usize,
2596        tool_call: &ToolCall,
2597        is_edit: bool,
2598        use_card_layout: bool,
2599        window: &Window,
2600        cx: &Context<Self>,
2601    ) -> Div {
2602        let has_location = tool_call.locations.len() == 1;
2603
2604        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2605            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2606                .map(Icon::from_path)
2607                .unwrap_or(Icon::new(IconName::ToolPencil))
2608        } else {
2609            Icon::new(match tool_call.kind {
2610                acp::ToolKind::Read => IconName::ToolSearch,
2611                acp::ToolKind::Edit => IconName::ToolPencil,
2612                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2613                acp::ToolKind::Move => IconName::ArrowRightLeft,
2614                acp::ToolKind::Search => IconName::ToolSearch,
2615                acp::ToolKind::Execute => IconName::ToolTerminal,
2616                acp::ToolKind::Think => IconName::ToolThink,
2617                acp::ToolKind::Fetch => IconName::ToolWeb,
2618                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2619                acp::ToolKind::Other | _ => IconName::ToolHammer,
2620            })
2621        }
2622        .size(IconSize::Small)
2623        .color(Color::Muted);
2624
2625        let gradient_overlay = {
2626            div()
2627                .absolute()
2628                .top_0()
2629                .right_0()
2630                .w_12()
2631                .h_full()
2632                .map(|this| {
2633                    if use_card_layout {
2634                        this.bg(linear_gradient(
2635                            90.,
2636                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2637                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2638                        ))
2639                    } else {
2640                        this.bg(linear_gradient(
2641                            90.,
2642                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2643                            linear_color_stop(
2644                                cx.theme().colors().panel_background.opacity(0.2),
2645                                0.,
2646                            ),
2647                        ))
2648                    }
2649                })
2650        };
2651
2652        h_flex()
2653            .relative()
2654            .w_full()
2655            .h(window.line_height() - px(2.))
2656            .text_size(self.tool_name_font_size())
2657            .gap_1p5()
2658            .when(has_location || use_card_layout, |this| this.px_1())
2659            .when(has_location, |this| {
2660                this.cursor(CursorStyle::PointingHand)
2661                    .rounded(rems_from_px(3.)) // Concentric border radius
2662                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2663            })
2664            .overflow_hidden()
2665            .child(tool_icon)
2666            .child(if has_location {
2667                h_flex()
2668                    .id(("open-tool-call-location", entry_ix))
2669                    .w_full()
2670                    .map(|this| {
2671                        if use_card_layout {
2672                            this.text_color(cx.theme().colors().text)
2673                        } else {
2674                            this.text_color(cx.theme().colors().text_muted)
2675                        }
2676                    })
2677                    .child(self.render_markdown(
2678                        tool_call.label.clone(),
2679                        MarkdownStyle {
2680                            prevent_mouse_interaction: true,
2681                            ..default_markdown_style(false, true, window, cx)
2682                        },
2683                    ))
2684                    .tooltip(Tooltip::text("Jump to File"))
2685                    .on_click(cx.listener(move |this, _, window, cx| {
2686                        this.open_tool_call_location(entry_ix, 0, window, cx);
2687                    }))
2688                    .into_any_element()
2689            } else {
2690                h_flex()
2691                    .w_full()
2692                    .child(self.render_markdown(
2693                        tool_call.label.clone(),
2694                        default_markdown_style(false, true, window, cx),
2695                    ))
2696                    .into_any()
2697            })
2698            .when(!is_edit, |this| this.child(gradient_overlay))
2699    }
2700
2701    fn render_tool_call_content(
2702        &self,
2703        entry_ix: usize,
2704        content: &ToolCallContent,
2705        context_ix: usize,
2706        tool_call: &ToolCall,
2707        card_layout: bool,
2708        window: &Window,
2709        cx: &Context<Self>,
2710    ) -> AnyElement {
2711        match content {
2712            ToolCallContent::ContentBlock(content) => {
2713                if let Some(resource_link) = content.resource_link() {
2714                    self.render_resource_link(resource_link, cx)
2715                } else if let Some(markdown) = content.markdown() {
2716                    self.render_markdown_output(
2717                        markdown.clone(),
2718                        tool_call.id.clone(),
2719                        context_ix,
2720                        card_layout,
2721                        window,
2722                        cx,
2723                    )
2724                } else {
2725                    Empty.into_any_element()
2726                }
2727            }
2728            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2729            ToolCallContent::Terminal(terminal) => {
2730                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2731            }
2732        }
2733    }
2734
2735    fn render_markdown_output(
2736        &self,
2737        markdown: Entity<Markdown>,
2738        tool_call_id: acp::ToolCallId,
2739        context_ix: usize,
2740        card_layout: bool,
2741        window: &Window,
2742        cx: &Context<Self>,
2743    ) -> AnyElement {
2744        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2745
2746        v_flex()
2747            .mt_1p5()
2748            .gap_2()
2749            .when(!card_layout, |this| {
2750                this.ml(rems(0.4))
2751                    .px_3p5()
2752                    .border_l_1()
2753                    .border_color(self.tool_card_border_color(cx))
2754            })
2755            .when(card_layout, |this| {
2756                this.px_2().pb_2().when(context_ix > 0, |this| {
2757                    this.border_t_1()
2758                        .pt_2()
2759                        .border_color(self.tool_card_border_color(cx))
2760                })
2761            })
2762            .text_xs()
2763            .text_color(cx.theme().colors().text_muted)
2764            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2765            .when(!card_layout, |this| {
2766                this.child(
2767                    IconButton::new(button_id, IconName::ChevronUp)
2768                        .full_width()
2769                        .style(ButtonStyle::Outlined)
2770                        .icon_color(Color::Muted)
2771                        .on_click(cx.listener({
2772                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2773                                this.expanded_tool_calls.remove(&tool_call_id);
2774                                cx.notify();
2775                            }
2776                        })),
2777                )
2778            })
2779            .into_any_element()
2780    }
2781
2782    fn render_resource_link(
2783        &self,
2784        resource_link: &acp::ResourceLink,
2785        cx: &Context<Self>,
2786    ) -> AnyElement {
2787        let uri: SharedString = resource_link.uri.clone().into();
2788        let is_file = resource_link.uri.strip_prefix("file://");
2789
2790        let label: SharedString = if let Some(abs_path) = is_file {
2791            if let Some(project_path) = self
2792                .project
2793                .read(cx)
2794                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2795                && let Some(worktree) = self
2796                    .project
2797                    .read(cx)
2798                    .worktree_for_id(project_path.worktree_id, cx)
2799            {
2800                worktree
2801                    .read(cx)
2802                    .full_path(&project_path.path)
2803                    .to_string_lossy()
2804                    .to_string()
2805                    .into()
2806            } else {
2807                abs_path.to_string().into()
2808            }
2809        } else {
2810            uri.clone()
2811        };
2812
2813        let button_id = SharedString::from(format!("item-{}", uri));
2814
2815        div()
2816            .ml(rems(0.4))
2817            .pl_2p5()
2818            .border_l_1()
2819            .border_color(self.tool_card_border_color(cx))
2820            .overflow_hidden()
2821            .child(
2822                Button::new(button_id, label)
2823                    .label_size(LabelSize::Small)
2824                    .color(Color::Muted)
2825                    .truncate(true)
2826                    .when(is_file.is_none(), |this| {
2827                        this.icon(IconName::ArrowUpRight)
2828                            .icon_size(IconSize::XSmall)
2829                            .icon_color(Color::Muted)
2830                    })
2831                    .on_click(cx.listener({
2832                        let workspace = self.workspace.clone();
2833                        move |_, _, window, cx: &mut Context<Self>| {
2834                            Self::open_link(uri.clone(), &workspace, window, cx);
2835                        }
2836                    })),
2837            )
2838            .into_any_element()
2839    }
2840
2841    fn render_permission_buttons(
2842        &self,
2843        kind: acp::ToolKind,
2844        options: &[acp::PermissionOption],
2845        entry_ix: usize,
2846        tool_call_id: acp::ToolCallId,
2847        cx: &Context<Self>,
2848    ) -> Div {
2849        let is_first = self.thread().is_some_and(|thread| {
2850            thread
2851                .read(cx)
2852                .first_tool_awaiting_confirmation()
2853                .is_some_and(|call| call.id == tool_call_id)
2854        });
2855        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2856
2857        div()
2858            .p_1()
2859            .border_t_1()
2860            .border_color(self.tool_card_border_color(cx))
2861            .w_full()
2862            .map(|this| {
2863                if kind == acp::ToolKind::SwitchMode {
2864                    this.v_flex()
2865                } else {
2866                    this.h_flex().justify_end().flex_wrap()
2867                }
2868            })
2869            .gap_0p5()
2870            .children(options.iter().map(move |option| {
2871                let option_id = SharedString::from(option.option_id.0.clone());
2872                Button::new((option_id, entry_ix), option.name.clone())
2873                    .map(|this| {
2874                        let (this, action) = match option.kind {
2875                            acp::PermissionOptionKind::AllowOnce => (
2876                                this.icon(IconName::Check).icon_color(Color::Success),
2877                                Some(&AllowOnce as &dyn Action),
2878                            ),
2879                            acp::PermissionOptionKind::AllowAlways => (
2880                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2881                                Some(&AllowAlways as &dyn Action),
2882                            ),
2883                            acp::PermissionOptionKind::RejectOnce => (
2884                                this.icon(IconName::Close).icon_color(Color::Error),
2885                                Some(&RejectOnce as &dyn Action),
2886                            ),
2887                            acp::PermissionOptionKind::RejectAlways | _ => {
2888                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2889                            }
2890                        };
2891
2892                        let Some(action) = action else {
2893                            return this;
2894                        };
2895
2896                        if !is_first || seen_kinds.contains(&option.kind) {
2897                            return this;
2898                        }
2899
2900                        seen_kinds.push(option.kind);
2901
2902                        this.key_binding(
2903                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
2904                                .map(|kb| kb.size(rems_from_px(10.))),
2905                        )
2906                    })
2907                    .icon_position(IconPosition::Start)
2908                    .icon_size(IconSize::XSmall)
2909                    .label_size(LabelSize::Small)
2910                    .on_click(cx.listener({
2911                        let tool_call_id = tool_call_id.clone();
2912                        let option_id = option.option_id.clone();
2913                        let option_kind = option.kind;
2914                        move |this, _, window, cx| {
2915                            this.authorize_tool_call(
2916                                tool_call_id.clone(),
2917                                option_id.clone(),
2918                                option_kind,
2919                                window,
2920                                cx,
2921                            );
2922                        }
2923                    }))
2924            }))
2925    }
2926
2927    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2928        let bar = |n: u64, width_class: &str| {
2929            let bg_color = cx.theme().colors().element_active;
2930            let base = h_flex().h_1().rounded_full();
2931
2932            let modified = match width_class {
2933                "w_4_5" => base.w_3_4(),
2934                "w_1_4" => base.w_1_4(),
2935                "w_2_4" => base.w_2_4(),
2936                "w_3_5" => base.w_3_5(),
2937                "w_2_5" => base.w_2_5(),
2938                _ => base.w_1_2(),
2939            };
2940
2941            modified.with_animation(
2942                ElementId::Integer(n),
2943                Animation::new(Duration::from_secs(2)).repeat(),
2944                move |tab, delta| {
2945                    let delta = (delta - 0.15 * n as f32) / 0.7;
2946                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2947                    let delta = ease_in_out(delta.clamp(0., 1.));
2948                    let delta = 0.1 + 0.9 * delta;
2949
2950                    tab.bg(bg_color.opacity(delta))
2951                },
2952            )
2953        };
2954
2955        v_flex()
2956            .p_3()
2957            .gap_1()
2958            .rounded_b_md()
2959            .bg(cx.theme().colors().editor_background)
2960            .child(bar(0, "w_4_5"))
2961            .child(bar(1, "w_1_4"))
2962            .child(bar(2, "w_2_4"))
2963            .child(bar(3, "w_3_5"))
2964            .child(bar(4, "w_2_5"))
2965            .into_any_element()
2966    }
2967
2968    fn render_diff_editor(
2969        &self,
2970        entry_ix: usize,
2971        diff: &Entity<acp_thread::Diff>,
2972        tool_call: &ToolCall,
2973        cx: &Context<Self>,
2974    ) -> AnyElement {
2975        let tool_progress = matches!(
2976            &tool_call.status,
2977            ToolCallStatus::InProgress | ToolCallStatus::Pending
2978        );
2979
2980        v_flex()
2981            .h_full()
2982            .border_t_1()
2983            .border_color(self.tool_card_border_color(cx))
2984            .child(
2985                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2986                    && let Some(editor) = entry.editor_for_diff(diff)
2987                    && diff.read(cx).has_revealed_range(cx)
2988                {
2989                    editor.into_any_element()
2990                } else if tool_progress && self.as_native_connection(cx).is_some() {
2991                    self.render_diff_loading(cx)
2992                } else {
2993                    Empty.into_any()
2994                },
2995            )
2996            .into_any()
2997    }
2998
2999    fn render_terminal_tool_call(
3000        &self,
3001        entry_ix: usize,
3002        terminal: &Entity<acp_thread::Terminal>,
3003        tool_call: &ToolCall,
3004        window: &Window,
3005        cx: &Context<Self>,
3006    ) -> AnyElement {
3007        let terminal_data = terminal.read(cx);
3008        let working_dir = terminal_data.working_dir();
3009        let command = terminal_data.command();
3010        let started_at = terminal_data.started_at();
3011
3012        let tool_failed = matches!(
3013            &tool_call.status,
3014            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
3015        );
3016
3017        let output = terminal_data.output();
3018        let command_finished = output.is_some();
3019        let truncated_output =
3020            output.is_some_and(|output| output.original_content_len > output.content.len());
3021        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
3022
3023        let command_failed = command_finished
3024            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
3025
3026        let time_elapsed = if let Some(output) = output {
3027            output.ended_at.duration_since(started_at)
3028        } else {
3029            started_at.elapsed()
3030        };
3031
3032        let header_id =
3033            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
3034        let header_group = SharedString::from(format!(
3035            "terminal-tool-header-group-{}",
3036            terminal.entity_id()
3037        ));
3038        let header_bg = cx
3039            .theme()
3040            .colors()
3041            .element_background
3042            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
3043        let border_color = cx.theme().colors().border.opacity(0.6);
3044
3045        let working_dir = working_dir
3046            .as_ref()
3047            .map(|path| path.display().to_string())
3048            .unwrap_or_else(|| "current directory".to_string());
3049
3050        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
3051
3052        let header = h_flex()
3053            .id(header_id)
3054            .flex_none()
3055            .gap_1()
3056            .justify_between()
3057            .rounded_t_md()
3058            .child(
3059                div()
3060                    .id(("command-target-path", terminal.entity_id()))
3061                    .w_full()
3062                    .max_w_full()
3063                    .overflow_x_scroll()
3064                    .child(
3065                        Label::new(working_dir)
3066                            .buffer_font(cx)
3067                            .size(LabelSize::XSmall)
3068                            .color(Color::Muted),
3069                    ),
3070            )
3071            .when(!command_finished, |header| {
3072                header
3073                    .gap_1p5()
3074                    .child(
3075                        Button::new(
3076                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
3077                            "Stop",
3078                        )
3079                        .icon(IconName::Stop)
3080                        .icon_position(IconPosition::Start)
3081                        .icon_size(IconSize::Small)
3082                        .icon_color(Color::Error)
3083                        .label_size(LabelSize::Small)
3084                        .tooltip(move |_window, cx| {
3085                            Tooltip::with_meta(
3086                                "Stop This Command",
3087                                None,
3088                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
3089                                cx,
3090                            )
3091                        })
3092                        .on_click({
3093                            let terminal = terminal.clone();
3094                            cx.listener(move |_this, _event, _window, cx| {
3095                                let inner_terminal = terminal.read(cx).inner().clone();
3096                                inner_terminal.update(cx, |inner_terminal, _cx| {
3097                                    inner_terminal.kill_active_task();
3098                                });
3099                            })
3100                        }),
3101                    )
3102                    .child(Divider::vertical())
3103                    .child(
3104                        Icon::new(IconName::ArrowCircle)
3105                            .size(IconSize::XSmall)
3106                            .color(Color::Info)
3107                            .with_rotate_animation(2)
3108                    )
3109            })
3110            .when(truncated_output, |header| {
3111                let tooltip = if let Some(output) = output {
3112                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
3113                       format!("Output exceeded terminal max lines and was \
3114                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
3115                    } else {
3116                        format!(
3117                            "Output is {} long, and to avoid unexpected token usage, \
3118                                only {} was sent back to the agent.",
3119                            format_file_size(output.original_content_len as u64, true),
3120                             format_file_size(output.content.len() as u64, true)
3121                        )
3122                    }
3123                } else {
3124                    "Output was truncated".to_string()
3125                };
3126
3127                header.child(
3128                    h_flex()
3129                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
3130                        .gap_1()
3131                        .child(
3132                            Icon::new(IconName::Info)
3133                                .size(IconSize::XSmall)
3134                                .color(Color::Ignored),
3135                        )
3136                        .child(
3137                            Label::new("Truncated")
3138                                .color(Color::Muted)
3139                                .size(LabelSize::XSmall),
3140                        )
3141                        .tooltip(Tooltip::text(tooltip)),
3142                )
3143            })
3144            .when(time_elapsed > Duration::from_secs(10), |header| {
3145                header.child(
3146                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
3147                        .buffer_font(cx)
3148                        .color(Color::Muted)
3149                        .size(LabelSize::XSmall),
3150                )
3151            })
3152            .when(tool_failed || command_failed, |header| {
3153                header.child(
3154                    div()
3155                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
3156                        .child(
3157                            Icon::new(IconName::Close)
3158                                .size(IconSize::Small)
3159                                .color(Color::Error),
3160                        )
3161                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
3162                            this.tooltip(Tooltip::text(format!(
3163                                "Exited with code {}",
3164                                status.code().unwrap_or(-1),
3165                            )))
3166                        }),
3167                )
3168            })
3169            .child(
3170                Disclosure::new(
3171                    SharedString::from(format!(
3172                        "terminal-tool-disclosure-{}",
3173                        terminal.entity_id()
3174                    )),
3175                    is_expanded,
3176                )
3177                .opened_icon(IconName::ChevronUp)
3178                .closed_icon(IconName::ChevronDown)
3179                .visible_on_hover(&header_group)
3180                .on_click(cx.listener({
3181                    let id = tool_call.id.clone();
3182                    move |this, _event, _window, _cx| {
3183                        if is_expanded {
3184                            this.expanded_tool_calls.remove(&id);
3185                        } else {
3186                            this.expanded_tool_calls.insert(id.clone());
3187                        }
3188                    }
3189                })),
3190            );
3191
3192        let terminal_view = self
3193            .entry_view_state
3194            .read(cx)
3195            .entry(entry_ix)
3196            .and_then(|entry| entry.terminal(terminal));
3197        let show_output = is_expanded && terminal_view.is_some();
3198
3199        v_flex()
3200            .my_1p5()
3201            .mx_5()
3202            .border_1()
3203            .when(tool_failed || command_failed, |card| card.border_dashed())
3204            .border_color(border_color)
3205            .rounded_md()
3206            .overflow_hidden()
3207            .child(
3208                v_flex()
3209                    .group(&header_group)
3210                    .py_1p5()
3211                    .pr_1p5()
3212                    .pl_2()
3213                    .gap_0p5()
3214                    .bg(header_bg)
3215                    .text_xs()
3216                    .child(header)
3217                    .child(
3218                        MarkdownElement::new(
3219                            command.clone(),
3220                            terminal_command_markdown_style(window, cx),
3221                        )
3222                        .code_block_renderer(
3223                            markdown::CodeBlockRenderer::Default {
3224                                copy_button: false,
3225                                copy_button_on_hover: true,
3226                                border: false,
3227                            },
3228                        ),
3229                    ),
3230            )
3231            .when(show_output, |this| {
3232                this.child(
3233                    div()
3234                        .pt_2()
3235                        .border_t_1()
3236                        .when(tool_failed || command_failed, |card| card.border_dashed())
3237                        .border_color(border_color)
3238                        .bg(cx.theme().colors().editor_background)
3239                        .rounded_b_md()
3240                        .text_ui_sm(cx)
3241                        .h_full()
3242                        .children(terminal_view.map(|terminal_view| {
3243                            let element = if terminal_view
3244                                .read(cx)
3245                                .content_mode(window, cx)
3246                                .is_scrollable()
3247                            {
3248                                div().h_72().child(terminal_view).into_any_element()
3249                            } else {
3250                                terminal_view.into_any_element()
3251                            };
3252
3253                            div()
3254                                .on_action(cx.listener(|_this, _: &NewTerminal, window, cx| {
3255                                    window.dispatch_action(NewThread.boxed_clone(), cx);
3256                                    cx.stop_propagation();
3257                                }))
3258                                .child(element)
3259                                .into_any_element()
3260                        })),
3261                )
3262            })
3263            .into_any()
3264    }
3265
3266    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
3267        let project_context = self
3268            .as_native_thread(cx)?
3269            .read(cx)
3270            .project_context()
3271            .read(cx);
3272
3273        let user_rules_text = if project_context.user_rules.is_empty() {
3274            None
3275        } else if project_context.user_rules.len() == 1 {
3276            let user_rules = &project_context.user_rules[0];
3277
3278            match user_rules.title.as_ref() {
3279                Some(title) => Some(format!("Using \"{title}\" user rule")),
3280                None => Some("Using user rule".into()),
3281            }
3282        } else {
3283            Some(format!(
3284                "Using {} user rules",
3285                project_context.user_rules.len()
3286            ))
3287        };
3288
3289        let first_user_rules_id = project_context
3290            .user_rules
3291            .first()
3292            .map(|user_rules| user_rules.uuid.0);
3293
3294        let rules_files = project_context
3295            .worktrees
3296            .iter()
3297            .filter_map(|worktree| worktree.rules_file.as_ref())
3298            .collect::<Vec<_>>();
3299
3300        let rules_file_text = match rules_files.as_slice() {
3301            &[] => None,
3302            &[rules_file] => Some(format!(
3303                "Using project {:?} file",
3304                rules_file.path_in_worktree
3305            )),
3306            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3307        };
3308
3309        if user_rules_text.is_none() && rules_file_text.is_none() {
3310            return None;
3311        }
3312
3313        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3314
3315        Some(
3316            h_flex()
3317                .px_2p5()
3318                .child(
3319                    Icon::new(IconName::Attach)
3320                        .size(IconSize::XSmall)
3321                        .color(Color::Disabled),
3322                )
3323                .when_some(user_rules_text, |parent, user_rules_text| {
3324                    parent.child(
3325                        h_flex()
3326                            .id("user-rules")
3327                            .ml_1()
3328                            .mr_1p5()
3329                            .child(
3330                                Label::new(user_rules_text)
3331                                    .size(LabelSize::XSmall)
3332                                    .color(Color::Muted)
3333                                    .truncate(),
3334                            )
3335                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3336                            .tooltip(Tooltip::text("View User Rules"))
3337                            .on_click(move |_event, window, cx| {
3338                                window.dispatch_action(
3339                                    Box::new(OpenRulesLibrary {
3340                                        prompt_to_select: first_user_rules_id,
3341                                    }),
3342                                    cx,
3343                                )
3344                            }),
3345                    )
3346                })
3347                .when(has_both, |this| {
3348                    this.child(
3349                        Label::new("")
3350                            .size(LabelSize::XSmall)
3351                            .color(Color::Disabled),
3352                    )
3353                })
3354                .when_some(rules_file_text, |parent, rules_file_text| {
3355                    parent.child(
3356                        h_flex()
3357                            .id("project-rules")
3358                            .ml_1p5()
3359                            .child(
3360                                Label::new(rules_file_text)
3361                                    .size(LabelSize::XSmall)
3362                                    .color(Color::Muted),
3363                            )
3364                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3365                            .tooltip(Tooltip::text("View Project Rules"))
3366                            .on_click(cx.listener(Self::handle_open_rules)),
3367                    )
3368                })
3369                .into_any(),
3370        )
3371    }
3372
3373    fn render_empty_state_section_header(
3374        &self,
3375        label: impl Into<SharedString>,
3376        action_slot: Option<AnyElement>,
3377        cx: &mut Context<Self>,
3378    ) -> impl IntoElement {
3379        div().pl_1().pr_1p5().child(
3380            h_flex()
3381                .mt_2()
3382                .pl_1p5()
3383                .pb_1()
3384                .w_full()
3385                .justify_between()
3386                .border_b_1()
3387                .border_color(cx.theme().colors().border_variant)
3388                .child(
3389                    Label::new(label.into())
3390                        .size(LabelSize::Small)
3391                        .color(Color::Muted),
3392                )
3393                .children(action_slot),
3394        )
3395    }
3396
3397    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3398        let render_history = self
3399            .agent
3400            .clone()
3401            .downcast::<agent::NativeAgentServer>()
3402            .is_some()
3403            && self
3404                .history_store
3405                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3406
3407        v_flex()
3408            .size_full()
3409            .when(render_history, |this| {
3410                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3411                    history_store.entries().take(3).collect()
3412                });
3413                this.justify_end().child(
3414                    v_flex()
3415                        .child(
3416                            self.render_empty_state_section_header(
3417                                "Recent",
3418                                Some(
3419                                    Button::new("view-history", "View All")
3420                                        .style(ButtonStyle::Subtle)
3421                                        .label_size(LabelSize::Small)
3422                                        .key_binding(
3423                                            KeyBinding::for_action_in(
3424                                                &OpenHistory,
3425                                                &self.focus_handle(cx),
3426                                                cx,
3427                                            )
3428                                            .map(|kb| kb.size(rems_from_px(12.))),
3429                                        )
3430                                        .on_click(move |_event, window, cx| {
3431                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3432                                        })
3433                                        .into_any_element(),
3434                                ),
3435                                cx,
3436                            ),
3437                        )
3438                        .child(
3439                            v_flex().p_1().pr_1p5().gap_1().children(
3440                                recent_history
3441                                    .into_iter()
3442                                    .enumerate()
3443                                    .map(|(index, entry)| {
3444                                        // TODO: Add keyboard navigation.
3445                                        let is_hovered =
3446                                            self.hovered_recent_history_item == Some(index);
3447                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3448                                            entry,
3449                                            cx.entity().downgrade(),
3450                                        )
3451                                        .hovered(is_hovered)
3452                                        .on_hover(cx.listener(
3453                                            move |this, is_hovered, _window, cx| {
3454                                                if *is_hovered {
3455                                                    this.hovered_recent_history_item = Some(index);
3456                                                } else if this.hovered_recent_history_item
3457                                                    == Some(index)
3458                                                {
3459                                                    this.hovered_recent_history_item = None;
3460                                                }
3461                                                cx.notify();
3462                                            },
3463                                        ))
3464                                        .into_any_element()
3465                                    }),
3466                            ),
3467                        ),
3468                )
3469            })
3470            .into_any()
3471    }
3472
3473    fn render_auth_required_state(
3474        &self,
3475        connection: &Rc<dyn AgentConnection>,
3476        description: Option<&Entity<Markdown>>,
3477        configuration_view: Option<&AnyView>,
3478        pending_auth_method: Option<&acp::AuthMethodId>,
3479        window: &mut Window,
3480        cx: &Context<Self>,
3481    ) -> Div {
3482        let show_description =
3483            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3484
3485        let auth_methods = connection.auth_methods();
3486
3487        v_flex().flex_1().size_full().justify_end().child(
3488            v_flex()
3489                .p_2()
3490                .pr_3()
3491                .w_full()
3492                .gap_1()
3493                .border_t_1()
3494                .border_color(cx.theme().colors().border)
3495                .bg(cx.theme().status().warning.opacity(0.04))
3496                .child(
3497                    h_flex()
3498                        .gap_1p5()
3499                        .child(
3500                            Icon::new(IconName::Warning)
3501                                .color(Color::Warning)
3502                                .size(IconSize::Small),
3503                        )
3504                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3505                )
3506                .children(description.map(|desc| {
3507                    div().text_ui(cx).child(self.render_markdown(
3508                        desc.clone(),
3509                        default_markdown_style(false, false, window, cx),
3510                    ))
3511                }))
3512                .children(
3513                    configuration_view
3514                        .cloned()
3515                        .map(|view| div().w_full().child(view)),
3516                )
3517                .when(show_description, |el| {
3518                    el.child(
3519                        Label::new(format!(
3520                            "You are not currently authenticated with {}.{}",
3521                            self.agent.name(),
3522                            if auth_methods.len() > 1 {
3523                                " Please choose one of the following options:"
3524                            } else {
3525                                ""
3526                            }
3527                        ))
3528                        .size(LabelSize::Small)
3529                        .color(Color::Muted)
3530                        .mb_1()
3531                        .ml_5(),
3532                    )
3533                })
3534                .when_some(pending_auth_method, |el, _| {
3535                    el.child(
3536                        h_flex()
3537                            .py_4()
3538                            .w_full()
3539                            .justify_center()
3540                            .gap_1()
3541                            .child(
3542                                Icon::new(IconName::ArrowCircle)
3543                                    .size(IconSize::Small)
3544                                    .color(Color::Muted)
3545                                    .with_rotate_animation(2),
3546                            )
3547                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3548                    )
3549                })
3550                .when(!auth_methods.is_empty(), |this| {
3551                    this.child(
3552                        h_flex()
3553                            .justify_end()
3554                            .flex_wrap()
3555                            .gap_1()
3556                            .when(!show_description, |this| {
3557                                this.border_t_1()
3558                                    .mt_1()
3559                                    .pt_2()
3560                                    .border_color(cx.theme().colors().border.opacity(0.8))
3561                            })
3562                            .children(connection.auth_methods().iter().enumerate().rev().map(
3563                                |(ix, method)| {
3564                                    let (method_id, name) = if self
3565                                        .project
3566                                        .read(cx)
3567                                        .is_via_remote_server()
3568                                        && method.id.0.as_ref() == "oauth-personal"
3569                                        && method.name == "Log in with Google"
3570                                    {
3571                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3572                                    } else {
3573                                        (method.id.0.clone(), method.name.clone())
3574                                    };
3575
3576                                    let agent_telemetry_id = connection.telemetry_id();
3577
3578                                    Button::new(method_id.clone(), name)
3579                                        .label_size(LabelSize::Small)
3580                                        .map(|this| {
3581                                            if ix == 0 {
3582                                                this.style(ButtonStyle::Tinted(TintColor::Warning))
3583                                            } else {
3584                                                this.style(ButtonStyle::Outlined)
3585                                            }
3586                                        })
3587                                        .when_some(
3588                                            method.description.clone(),
3589                                            |this, description| {
3590                                                this.tooltip(Tooltip::text(description))
3591                                            },
3592                                        )
3593                                        .on_click({
3594                                            cx.listener(move |this, _, window, cx| {
3595                                                telemetry::event!(
3596                                                    "Authenticate Agent Started",
3597                                                    agent = agent_telemetry_id,
3598                                                    method = method_id
3599                                                );
3600
3601                                                this.authenticate(
3602                                                    acp::AuthMethodId::new(method_id.clone()),
3603                                                    window,
3604                                                    cx,
3605                                                )
3606                                            })
3607                                        })
3608                                },
3609                            )),
3610                    )
3611                }),
3612        )
3613    }
3614
3615    fn render_load_error(
3616        &self,
3617        e: &LoadError,
3618        window: &mut Window,
3619        cx: &mut Context<Self>,
3620    ) -> AnyElement {
3621        let (title, message, action_slot): (_, SharedString, _) = match e {
3622            LoadError::Unsupported {
3623                command: path,
3624                current_version,
3625                minimum_version,
3626            } => {
3627                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3628            }
3629            LoadError::FailedToInstall(msg) => (
3630                "Failed to Install",
3631                msg.into(),
3632                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3633            ),
3634            LoadError::Exited { status } => (
3635                "Failed to Launch",
3636                format!("Server exited with status {status}").into(),
3637                None,
3638            ),
3639            LoadError::Other(msg) => (
3640                "Failed to Launch",
3641                msg.into(),
3642                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3643            ),
3644        };
3645
3646        Callout::new()
3647            .severity(Severity::Error)
3648            .icon(IconName::XCircleFilled)
3649            .title(title)
3650            .description(message)
3651            .actions_slot(div().children(action_slot))
3652            .into_any_element()
3653    }
3654
3655    fn render_unsupported(
3656        &self,
3657        path: &SharedString,
3658        version: &SharedString,
3659        minimum_version: &SharedString,
3660        _window: &mut Window,
3661        cx: &mut Context<Self>,
3662    ) -> AnyElement {
3663        let (heading_label, description_label) = (
3664            format!("Upgrade {} to work with Zed", self.agent.name()),
3665            if version.is_empty() {
3666                format!(
3667                    "Currently using {}, which does not report a valid --version",
3668                    path,
3669                )
3670            } else {
3671                format!(
3672                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3673                    path, version
3674                )
3675            },
3676        );
3677
3678        v_flex()
3679            .w_full()
3680            .p_3p5()
3681            .gap_2p5()
3682            .border_t_1()
3683            .border_color(cx.theme().colors().border)
3684            .bg(linear_gradient(
3685                180.,
3686                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3687                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3688            ))
3689            .child(
3690                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3691                    Label::new(description_label)
3692                        .size(LabelSize::Small)
3693                        .color(Color::Muted),
3694                ),
3695            )
3696            .into_any_element()
3697    }
3698
3699    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3700        let editor_bg_color = cx.theme().colors().editor_background;
3701        let active_color = cx.theme().colors().element_selected;
3702        editor_bg_color.blend(active_color.opacity(0.3))
3703    }
3704
3705    fn render_activity_bar(
3706        &self,
3707        thread_entity: &Entity<AcpThread>,
3708        window: &mut Window,
3709        cx: &Context<Self>,
3710    ) -> Option<AnyElement> {
3711        let thread = thread_entity.read(cx);
3712        let action_log = thread.action_log();
3713        let telemetry = ActionLogTelemetry::from(thread);
3714        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3715        let plan = thread.plan();
3716
3717        if changed_buffers.is_empty() && plan.is_empty() {
3718            return None;
3719        }
3720
3721        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3722        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3723        // be, which blocks you from being able to accept or reject edits. This switches the
3724        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3725        // block you from using the panel.
3726        let pending_edits = false;
3727
3728        v_flex()
3729            .mt_1()
3730            .mx_2()
3731            .bg(self.activity_bar_bg(cx))
3732            .border_1()
3733            .border_b_0()
3734            .border_color(cx.theme().colors().border)
3735            .rounded_t_md()
3736            .shadow(vec![gpui::BoxShadow {
3737                color: gpui::black().opacity(0.15),
3738                offset: point(px(1.), px(-1.)),
3739                blur_radius: px(3.),
3740                spread_radius: px(0.),
3741            }])
3742            .when(!plan.is_empty(), |this| {
3743                this.child(self.render_plan_summary(plan, window, cx))
3744                    .when(self.plan_expanded, |parent| {
3745                        parent.child(self.render_plan_entries(plan, window, cx))
3746                    })
3747            })
3748            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3749                this.child(Divider::horizontal().color(DividerColor::Border))
3750            })
3751            .when(!changed_buffers.is_empty(), |this| {
3752                this.child(self.render_edits_summary(
3753                    &changed_buffers,
3754                    self.edits_expanded,
3755                    pending_edits,
3756                    cx,
3757                ))
3758                .when(self.edits_expanded, |parent| {
3759                    parent.child(self.render_edited_files(
3760                        action_log,
3761                        telemetry,
3762                        &changed_buffers,
3763                        pending_edits,
3764                        cx,
3765                    ))
3766                })
3767            })
3768            .into_any()
3769            .into()
3770    }
3771
3772    fn render_plan_summary(
3773        &self,
3774        plan: &Plan,
3775        window: &mut Window,
3776        cx: &Context<Self>,
3777    ) -> impl IntoElement {
3778        let stats = plan.stats();
3779
3780        let title = if let Some(entry) = stats.in_progress_entry
3781            && !self.plan_expanded
3782        {
3783            h_flex()
3784                .cursor_default()
3785                .relative()
3786                .w_full()
3787                .gap_1()
3788                .truncate()
3789                .child(
3790                    Label::new("Current:")
3791                        .size(LabelSize::Small)
3792                        .color(Color::Muted),
3793                )
3794                .child(
3795                    div()
3796                        .text_xs()
3797                        .text_color(cx.theme().colors().text_muted)
3798                        .line_clamp(1)
3799                        .child(MarkdownElement::new(
3800                            entry.content.clone(),
3801                            plan_label_markdown_style(&entry.status, window, cx),
3802                        )),
3803                )
3804                .when(stats.pending > 0, |this| {
3805                    this.child(
3806                        h_flex()
3807                            .absolute()
3808                            .top_0()
3809                            .right_0()
3810                            .h_full()
3811                            .child(div().min_w_8().h_full().bg(linear_gradient(
3812                                90.,
3813                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3814                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3815                            )))
3816                            .child(
3817                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3818                                    Label::new(format!("{} left", stats.pending))
3819                                        .size(LabelSize::Small)
3820                                        .color(Color::Muted),
3821                                ),
3822                            ),
3823                    )
3824                })
3825        } else {
3826            let status_label = if stats.pending == 0 {
3827                "All Done".to_string()
3828            } else if stats.completed == 0 {
3829                format!("{} Tasks", plan.entries.len())
3830            } else {
3831                format!("{}/{}", stats.completed, plan.entries.len())
3832            };
3833
3834            h_flex()
3835                .w_full()
3836                .gap_1()
3837                .justify_between()
3838                .child(
3839                    Label::new("Plan")
3840                        .size(LabelSize::Small)
3841                        .color(Color::Muted),
3842                )
3843                .child(
3844                    Label::new(status_label)
3845                        .size(LabelSize::Small)
3846                        .color(Color::Muted)
3847                        .mr_1(),
3848                )
3849        };
3850
3851        h_flex()
3852            .id("plan_summary")
3853            .p_1()
3854            .w_full()
3855            .gap_1()
3856            .when(self.plan_expanded, |this| {
3857                this.border_b_1().border_color(cx.theme().colors().border)
3858            })
3859            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3860            .child(title)
3861            .on_click(cx.listener(|this, _, _, cx| {
3862                this.plan_expanded = !this.plan_expanded;
3863                cx.notify();
3864            }))
3865    }
3866
3867    fn render_plan_entries(
3868        &self,
3869        plan: &Plan,
3870        window: &mut Window,
3871        cx: &Context<Self>,
3872    ) -> impl IntoElement {
3873        v_flex()
3874            .id("plan_items_list")
3875            .max_h_40()
3876            .overflow_y_scroll()
3877            .children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3878                let element = h_flex()
3879                    .py_1()
3880                    .px_2()
3881                    .gap_2()
3882                    .justify_between()
3883                    .bg(cx.theme().colors().editor_background)
3884                    .when(index < plan.entries.len() - 1, |parent| {
3885                        parent.border_color(cx.theme().colors().border).border_b_1()
3886                    })
3887                    .child(
3888                        h_flex()
3889                            .id(("plan_entry", index))
3890                            .gap_1p5()
3891                            .max_w_full()
3892                            .overflow_x_scroll()
3893                            .text_xs()
3894                            .text_color(cx.theme().colors().text_muted)
3895                            .child(match entry.status {
3896                                acp::PlanEntryStatus::InProgress => {
3897                                    Icon::new(IconName::TodoProgress)
3898                                        .size(IconSize::Small)
3899                                        .color(Color::Accent)
3900                                        .with_rotate_animation(2)
3901                                        .into_any_element()
3902                                }
3903                                acp::PlanEntryStatus::Completed => {
3904                                    Icon::new(IconName::TodoComplete)
3905                                        .size(IconSize::Small)
3906                                        .color(Color::Success)
3907                                        .into_any_element()
3908                                }
3909                                acp::PlanEntryStatus::Pending | _ => {
3910                                    Icon::new(IconName::TodoPending)
3911                                        .size(IconSize::Small)
3912                                        .color(Color::Muted)
3913                                        .into_any_element()
3914                                }
3915                            })
3916                            .child(MarkdownElement::new(
3917                                entry.content.clone(),
3918                                plan_label_markdown_style(&entry.status, window, cx),
3919                            )),
3920                    );
3921
3922                Some(element)
3923            }))
3924            .into_any_element()
3925    }
3926
3927    fn render_edits_summary(
3928        &self,
3929        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3930        expanded: bool,
3931        pending_edits: bool,
3932        cx: &Context<Self>,
3933    ) -> Div {
3934        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3935
3936        let focus_handle = self.focus_handle(cx);
3937
3938        h_flex()
3939            .p_1()
3940            .justify_between()
3941            .flex_wrap()
3942            .when(expanded, |this| {
3943                this.border_b_1().border_color(cx.theme().colors().border)
3944            })
3945            .child(
3946                h_flex()
3947                    .id("edits-container")
3948                    .cursor_pointer()
3949                    .gap_1()
3950                    .child(Disclosure::new("edits-disclosure", expanded))
3951                    .map(|this| {
3952                        if pending_edits {
3953                            this.child(
3954                                Label::new(format!(
3955                                    "Editing {} {}",
3956                                    changed_buffers.len(),
3957                                    if changed_buffers.len() == 1 {
3958                                        "file"
3959                                    } else {
3960                                        "files"
3961                                    }
3962                                ))
3963                                .color(Color::Muted)
3964                                .size(LabelSize::Small)
3965                                .with_animation(
3966                                    "edit-label",
3967                                    Animation::new(Duration::from_secs(2))
3968                                        .repeat()
3969                                        .with_easing(pulsating_between(0.3, 0.7)),
3970                                    |label, delta| label.alpha(delta),
3971                                ),
3972                            )
3973                        } else {
3974                            this.child(
3975                                Label::new("Edits")
3976                                    .size(LabelSize::Small)
3977                                    .color(Color::Muted),
3978                            )
3979                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3980                            .child(
3981                                Label::new(format!(
3982                                    "{} {}",
3983                                    changed_buffers.len(),
3984                                    if changed_buffers.len() == 1 {
3985                                        "file"
3986                                    } else {
3987                                        "files"
3988                                    }
3989                                ))
3990                                .size(LabelSize::Small)
3991                                .color(Color::Muted),
3992                            )
3993                        }
3994                    })
3995                    .on_click(cx.listener(|this, _, _, cx| {
3996                        this.edits_expanded = !this.edits_expanded;
3997                        cx.notify();
3998                    })),
3999            )
4000            .child(
4001                h_flex()
4002                    .gap_1()
4003                    .child(
4004                        IconButton::new("review-changes", IconName::ListTodo)
4005                            .icon_size(IconSize::Small)
4006                            .tooltip({
4007                                let focus_handle = focus_handle.clone();
4008                                move |_window, cx| {
4009                                    Tooltip::for_action_in(
4010                                        "Review Changes",
4011                                        &OpenAgentDiff,
4012                                        &focus_handle,
4013                                        cx,
4014                                    )
4015                                }
4016                            })
4017                            .on_click(cx.listener(|_, _, window, cx| {
4018                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
4019                            })),
4020                    )
4021                    .child(Divider::vertical().color(DividerColor::Border))
4022                    .child(
4023                        Button::new("reject-all-changes", "Reject All")
4024                            .label_size(LabelSize::Small)
4025                            .disabled(pending_edits)
4026                            .when(pending_edits, |this| {
4027                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
4028                            })
4029                            .key_binding(
4030                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
4031                                    .map(|kb| kb.size(rems_from_px(10.))),
4032                            )
4033                            .on_click(cx.listener(move |this, _, window, cx| {
4034                                this.reject_all(&RejectAll, window, cx);
4035                            })),
4036                    )
4037                    .child(
4038                        Button::new("keep-all-changes", "Keep All")
4039                            .label_size(LabelSize::Small)
4040                            .disabled(pending_edits)
4041                            .when(pending_edits, |this| {
4042                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
4043                            })
4044                            .key_binding(
4045                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
4046                                    .map(|kb| kb.size(rems_from_px(10.))),
4047                            )
4048                            .on_click(cx.listener(move |this, _, window, cx| {
4049                                this.keep_all(&KeepAll, window, cx);
4050                            })),
4051                    ),
4052            )
4053    }
4054
4055    fn render_edited_files(
4056        &self,
4057        action_log: &Entity<ActionLog>,
4058        telemetry: ActionLogTelemetry,
4059        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
4060        pending_edits: bool,
4061        cx: &Context<Self>,
4062    ) -> impl IntoElement {
4063        let editor_bg_color = cx.theme().colors().editor_background;
4064
4065        v_flex()
4066            .id("edited_files_list")
4067            .max_h_40()
4068            .overflow_y_scroll()
4069            .children(
4070                changed_buffers
4071                    .iter()
4072                    .enumerate()
4073                    .flat_map(|(index, (buffer, _diff))| {
4074                        let file = buffer.read(cx).file()?;
4075                        let path = file.path();
4076                        let path_style = file.path_style(cx);
4077                        let separator = file.path_style(cx).primary_separator();
4078
4079                        let file_path = path.parent().and_then(|parent| {
4080                            if parent.is_empty() {
4081                                None
4082                            } else {
4083                                Some(
4084                                    Label::new(format!(
4085                                        "{}{separator}",
4086                                        parent.display(path_style)
4087                                    ))
4088                                    .color(Color::Muted)
4089                                    .size(LabelSize::XSmall)
4090                                    .buffer_font(cx),
4091                                )
4092                            }
4093                        });
4094
4095                        let file_name = path.file_name().map(|name| {
4096                            Label::new(name.to_string())
4097                                .size(LabelSize::XSmall)
4098                                .buffer_font(cx)
4099                                .ml_1p5()
4100                        });
4101
4102                        let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
4103                            .map(Icon::from_path)
4104                            .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
4105                            .unwrap_or_else(|| {
4106                                Icon::new(IconName::File)
4107                                    .color(Color::Muted)
4108                                    .size(IconSize::Small)
4109                            });
4110
4111                        let overlay_gradient = linear_gradient(
4112                            90.,
4113                            linear_color_stop(editor_bg_color, 1.),
4114                            linear_color_stop(editor_bg_color.opacity(0.2), 0.),
4115                        );
4116
4117                        let element = h_flex()
4118                            .group("edited-code")
4119                            .id(("file-container", index))
4120                            .py_1()
4121                            .pl_2()
4122                            .pr_1()
4123                            .gap_2()
4124                            .justify_between()
4125                            .bg(editor_bg_color)
4126                            .when(index < changed_buffers.len() - 1, |parent| {
4127                                parent.border_color(cx.theme().colors().border).border_b_1()
4128                            })
4129                            .child(
4130                                h_flex()
4131                                    .id(("file-name-row", index))
4132                                    .relative()
4133                                    .pr_8()
4134                                    .w_full()
4135                                    .overflow_x_scroll()
4136                                    .child(
4137                                        h_flex()
4138                                            .id(("file-name-path", index))
4139                                            .cursor_pointer()
4140                                            .pr_0p5()
4141                                            .gap_0p5()
4142                                            .hover(|s| s.bg(cx.theme().colors().element_hover))
4143                                            .rounded_xs()
4144                                            .child(file_icon)
4145                                            .children(file_name)
4146                                            .children(file_path)
4147                                            .tooltip(Tooltip::text("Go to File"))
4148                                            .on_click({
4149                                                let buffer = buffer.clone();
4150                                                cx.listener(move |this, _, window, cx| {
4151                                                    this.open_edited_buffer(&buffer, window, cx);
4152                                                })
4153                                            }),
4154                                    )
4155                                    .child(
4156                                        div()
4157                                            .absolute()
4158                                            .h_full()
4159                                            .w_12()
4160                                            .top_0()
4161                                            .bottom_0()
4162                                            .right_0()
4163                                            .bg(overlay_gradient),
4164                                    ),
4165                            )
4166                            .child(
4167                                h_flex()
4168                                    .gap_1()
4169                                    .visible_on_hover("edited-code")
4170                                    .child(
4171                                        Button::new("review", "Review")
4172                                            .label_size(LabelSize::Small)
4173                                            .on_click({
4174                                                let buffer = buffer.clone();
4175                                                cx.listener(move |this, _, window, cx| {
4176                                                    this.open_edited_buffer(&buffer, window, cx);
4177                                                })
4178                                            }),
4179                                    )
4180                                    .child(Divider::vertical().color(DividerColor::BorderVariant))
4181                                    .child(
4182                                        Button::new("reject-file", "Reject")
4183                                            .label_size(LabelSize::Small)
4184                                            .disabled(pending_edits)
4185                                            .on_click({
4186                                                let buffer = buffer.clone();
4187                                                let action_log = action_log.clone();
4188                                                let telemetry = telemetry.clone();
4189                                                move |_, _, cx| {
4190                                                    action_log.update(cx, |action_log, cx| {
4191                                                        action_log
4192                                                    .reject_edits_in_ranges(
4193                                                        buffer.clone(),
4194                                                        vec![Anchor::min_max_range_for_buffer(
4195                                                            buffer.read(cx).remote_id(),
4196                                                        )],
4197                                                        Some(telemetry.clone()),
4198                                                        cx,
4199                                                    )
4200                                                    .detach_and_log_err(cx);
4201                                                    })
4202                                                }
4203                                            }),
4204                                    )
4205                                    .child(
4206                                        Button::new("keep-file", "Keep")
4207                                            .label_size(LabelSize::Small)
4208                                            .disabled(pending_edits)
4209                                            .on_click({
4210                                                let buffer = buffer.clone();
4211                                                let action_log = action_log.clone();
4212                                                let telemetry = telemetry.clone();
4213                                                move |_, _, cx| {
4214                                                    action_log.update(cx, |action_log, cx| {
4215                                                        action_log.keep_edits_in_range(
4216                                                            buffer.clone(),
4217                                                            Anchor::min_max_range_for_buffer(
4218                                                                buffer.read(cx).remote_id(),
4219                                                            ),
4220                                                            Some(telemetry.clone()),
4221                                                            cx,
4222                                                        );
4223                                                    })
4224                                                }
4225                                            }),
4226                                    ),
4227                            );
4228
4229                        Some(element)
4230                    }),
4231            )
4232            .into_any_element()
4233    }
4234
4235    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
4236        let focus_handle = self.message_editor.focus_handle(cx);
4237        let editor_bg_color = cx.theme().colors().editor_background;
4238        let (expand_icon, expand_tooltip) = if self.editor_expanded {
4239            (IconName::Minimize, "Minimize Message Editor")
4240        } else {
4241            (IconName::Maximize, "Expand Message Editor")
4242        };
4243
4244        let backdrop = div()
4245            .size_full()
4246            .absolute()
4247            .inset_0()
4248            .bg(cx.theme().colors().panel_background)
4249            .opacity(0.8)
4250            .block_mouse_except_scroll();
4251
4252        let enable_editor = match self.thread_state {
4253            ThreadState::Ready { .. } => true,
4254            ThreadState::Loading { .. }
4255            | ThreadState::Unauthenticated { .. }
4256            | ThreadState::LoadError(..) => false,
4257        };
4258
4259        v_flex()
4260            .on_action(cx.listener(Self::expand_message_editor))
4261            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
4262                if let Some(profile_selector) = this.profile_selector.as_ref() {
4263                    profile_selector.read(cx).menu_handle().toggle(window, cx);
4264                } else if let Some(mode_selector) = this.mode_selector() {
4265                    mode_selector.read(cx).menu_handle().toggle(window, cx);
4266                }
4267            }))
4268            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
4269                if let Some(profile_selector) = this.profile_selector.as_ref() {
4270                    profile_selector.update(cx, |profile_selector, cx| {
4271                        profile_selector.cycle_profile(cx);
4272                    });
4273                } else if let Some(mode_selector) = this.mode_selector() {
4274                    mode_selector.update(cx, |mode_selector, cx| {
4275                        mode_selector.cycle_mode(window, cx);
4276                    });
4277                }
4278            }))
4279            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
4280                if let Some(model_selector) = this.model_selector.as_ref() {
4281                    model_selector
4282                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
4283                }
4284            }))
4285            .p_2()
4286            .gap_2()
4287            .border_t_1()
4288            .border_color(cx.theme().colors().border)
4289            .bg(editor_bg_color)
4290            .when(self.editor_expanded, |this| {
4291                this.h(vh(0.8, window)).size_full().justify_between()
4292            })
4293            .child(
4294                v_flex()
4295                    .relative()
4296                    .size_full()
4297                    .pt_1()
4298                    .pr_2p5()
4299                    .child(self.message_editor.clone())
4300                    .child(
4301                        h_flex()
4302                            .absolute()
4303                            .top_0()
4304                            .right_0()
4305                            .opacity(0.5)
4306                            .hover(|this| this.opacity(1.0))
4307                            .child(
4308                                IconButton::new("toggle-height", expand_icon)
4309                                    .icon_size(IconSize::Small)
4310                                    .icon_color(Color::Muted)
4311                                    .tooltip({
4312                                        move |_window, cx| {
4313                                            Tooltip::for_action_in(
4314                                                expand_tooltip,
4315                                                &ExpandMessageEditor,
4316                                                &focus_handle,
4317                                                cx,
4318                                            )
4319                                        }
4320                                    })
4321                                    .on_click(cx.listener(|this, _, window, cx| {
4322                                        this.expand_message_editor(
4323                                            &ExpandMessageEditor,
4324                                            window,
4325                                            cx,
4326                                        );
4327                                    })),
4328                            ),
4329                    ),
4330            )
4331            .child(
4332                h_flex()
4333                    .flex_none()
4334                    .flex_wrap()
4335                    .justify_between()
4336                    .child(
4337                        h_flex()
4338                            .gap_0p5()
4339                            .child(self.render_add_context_button(cx))
4340                            .child(self.render_follow_toggle(cx))
4341                            .children(self.render_burn_mode_toggle(cx)),
4342                    )
4343                    .child(
4344                        h_flex()
4345                            .gap_1()
4346                            .children(self.render_token_usage(cx))
4347                            .children(self.profile_selector.clone())
4348                            .children(self.mode_selector().cloned())
4349                            .children(self.model_selector.clone())
4350                            .child(self.render_send_button(cx)),
4351                    ),
4352            )
4353            .when(!enable_editor, |this| this.child(backdrop))
4354            .into_any()
4355    }
4356
4357    pub(crate) fn as_native_connection(
4358        &self,
4359        cx: &App,
4360    ) -> Option<Rc<agent::NativeAgentConnection>> {
4361        let acp_thread = self.thread()?.read(cx);
4362        acp_thread.connection().clone().downcast()
4363    }
4364
4365    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4366        let acp_thread = self.thread()?.read(cx);
4367        self.as_native_connection(cx)?
4368            .thread(acp_thread.session_id(), cx)
4369    }
4370
4371    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4372        self.as_native_thread(cx)
4373            .and_then(|thread| thread.read(cx).model())
4374            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4375    }
4376
4377    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4378        let thread = self.thread()?.read(cx);
4379        let usage = thread.token_usage()?;
4380        let is_generating = thread.status() != ThreadStatus::Idle;
4381
4382        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4383        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4384
4385        Some(
4386            h_flex()
4387                .flex_shrink_0()
4388                .gap_0p5()
4389                .mr_1p5()
4390                .child(
4391                    Label::new(used)
4392                        .size(LabelSize::Small)
4393                        .color(Color::Muted)
4394                        .map(|label| {
4395                            if is_generating {
4396                                label
4397                                    .with_animation(
4398                                        "used-tokens-label",
4399                                        Animation::new(Duration::from_secs(2))
4400                                            .repeat()
4401                                            .with_easing(pulsating_between(0.3, 0.8)),
4402                                        |label, delta| label.alpha(delta),
4403                                    )
4404                                    .into_any()
4405                            } else {
4406                                label.into_any_element()
4407                            }
4408                        }),
4409                )
4410                .child(
4411                    Label::new("/")
4412                        .size(LabelSize::Small)
4413                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4414                )
4415                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4416        )
4417    }
4418
4419    fn toggle_burn_mode(
4420        &mut self,
4421        _: &ToggleBurnMode,
4422        _window: &mut Window,
4423        cx: &mut Context<Self>,
4424    ) {
4425        let Some(thread) = self.as_native_thread(cx) else {
4426            return;
4427        };
4428
4429        thread.update(cx, |thread, cx| {
4430            let current_mode = thread.completion_mode();
4431            thread.set_completion_mode(
4432                match current_mode {
4433                    CompletionMode::Burn => CompletionMode::Normal,
4434                    CompletionMode::Normal => CompletionMode::Burn,
4435                },
4436                cx,
4437            );
4438        });
4439    }
4440
4441    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4442        let Some(thread) = self.thread() else {
4443            return;
4444        };
4445        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4446        let action_log = thread.read(cx).action_log().clone();
4447        action_log.update(cx, |action_log, cx| {
4448            action_log.keep_all_edits(Some(telemetry), cx)
4449        });
4450    }
4451
4452    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4453        let Some(thread) = self.thread() else {
4454            return;
4455        };
4456        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4457        let action_log = thread.read(cx).action_log().clone();
4458        action_log
4459            .update(cx, |action_log, cx| {
4460                action_log.reject_all_edits(Some(telemetry), cx)
4461            })
4462            .detach();
4463    }
4464
4465    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4466        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4467    }
4468
4469    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4470        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4471    }
4472
4473    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4474        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4475    }
4476
4477    fn authorize_pending_tool_call(
4478        &mut self,
4479        kind: acp::PermissionOptionKind,
4480        window: &mut Window,
4481        cx: &mut Context<Self>,
4482    ) -> Option<()> {
4483        let thread = self.thread()?.read(cx);
4484        let tool_call = thread.first_tool_awaiting_confirmation()?;
4485        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4486            return None;
4487        };
4488        let option = options.iter().find(|o| o.kind == kind)?;
4489
4490        self.authorize_tool_call(
4491            tool_call.id.clone(),
4492            option.option_id.clone(),
4493            option.kind,
4494            window,
4495            cx,
4496        );
4497
4498        Some(())
4499    }
4500
4501    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4502        let thread = self.as_native_thread(cx)?.read(cx);
4503
4504        if thread
4505            .model()
4506            .is_none_or(|model| !model.supports_burn_mode())
4507        {
4508            return None;
4509        }
4510
4511        let active_completion_mode = thread.completion_mode();
4512        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4513        let icon = if burn_mode_enabled {
4514            IconName::ZedBurnModeOn
4515        } else {
4516            IconName::ZedBurnMode
4517        };
4518
4519        Some(
4520            IconButton::new("burn-mode", icon)
4521                .icon_size(IconSize::Small)
4522                .icon_color(Color::Muted)
4523                .toggle_state(burn_mode_enabled)
4524                .selected_icon_color(Color::Error)
4525                .on_click(cx.listener(|this, _event, window, cx| {
4526                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4527                }))
4528                .tooltip(move |_window, cx| {
4529                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4530                        .into()
4531                })
4532                .into_any_element(),
4533        )
4534    }
4535
4536    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4537        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4538        let is_generating = self
4539            .thread()
4540            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4541
4542        if self.is_loading_contents {
4543            div()
4544                .id("loading-message-content")
4545                .px_1()
4546                .tooltip(Tooltip::text("Loading Added Context…"))
4547                .child(loading_contents_spinner(IconSize::default()))
4548                .into_any_element()
4549        } else if is_generating && is_editor_empty {
4550            IconButton::new("stop-generation", IconName::Stop)
4551                .icon_color(Color::Error)
4552                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4553                .tooltip(move |_window, cx| {
4554                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4555                })
4556                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4557                .into_any_element()
4558        } else {
4559            let send_btn_tooltip = if is_editor_empty && !is_generating {
4560                "Type to Send"
4561            } else if is_generating {
4562                "Stop and Send Message"
4563            } else {
4564                "Send"
4565            };
4566
4567            IconButton::new("send-message", IconName::Send)
4568                .style(ButtonStyle::Filled)
4569                .map(|this| {
4570                    if is_editor_empty && !is_generating {
4571                        this.disabled(true).icon_color(Color::Muted)
4572                    } else {
4573                        this.icon_color(Color::Accent)
4574                    }
4575                })
4576                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4577                .on_click(cx.listener(|this, _, window, cx| {
4578                    this.send(window, cx);
4579                }))
4580                .into_any_element()
4581        }
4582    }
4583
4584    fn is_following(&self, cx: &App) -> bool {
4585        match self.thread().map(|thread| thread.read(cx).status()) {
4586            Some(ThreadStatus::Generating) => self
4587                .workspace
4588                .read_with(cx, |workspace, _| {
4589                    workspace.is_being_followed(CollaboratorId::Agent)
4590                })
4591                .unwrap_or(false),
4592            _ => self.should_be_following,
4593        }
4594    }
4595
4596    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4597        let following = self.is_following(cx);
4598
4599        self.should_be_following = !following;
4600        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4601            self.workspace
4602                .update(cx, |workspace, cx| {
4603                    if following {
4604                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4605                    } else {
4606                        workspace.follow(CollaboratorId::Agent, window, cx);
4607                    }
4608                })
4609                .ok();
4610        }
4611
4612        telemetry::event!("Follow Agent Selected", following = !following);
4613    }
4614
4615    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4616        let following = self.is_following(cx);
4617
4618        let tooltip_label = if following {
4619            if self.agent.name() == "Zed Agent" {
4620                format!("Stop Following the {}", self.agent.name())
4621            } else {
4622                format!("Stop Following {}", self.agent.name())
4623            }
4624        } else {
4625            if self.agent.name() == "Zed Agent" {
4626                format!("Follow the {}", self.agent.name())
4627            } else {
4628                format!("Follow {}", self.agent.name())
4629            }
4630        };
4631
4632        IconButton::new("follow-agent", IconName::Crosshair)
4633            .icon_size(IconSize::Small)
4634            .icon_color(Color::Muted)
4635            .toggle_state(following)
4636            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4637            .tooltip(move |_window, cx| {
4638                if following {
4639                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4640                } else {
4641                    Tooltip::with_meta(
4642                        tooltip_label.clone(),
4643                        Some(&Follow),
4644                        "Track the agent's location as it reads and edits files.",
4645                        cx,
4646                    )
4647                }
4648            })
4649            .on_click(cx.listener(move |this, _, window, cx| {
4650                this.toggle_following(window, cx);
4651            }))
4652    }
4653
4654    fn render_add_context_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4655        let message_editor = self.message_editor.clone();
4656        let menu_visible = message_editor.read(cx).is_completions_menu_visible(cx);
4657
4658        IconButton::new("add-context", IconName::AtSign)
4659            .icon_size(IconSize::Small)
4660            .icon_color(Color::Muted)
4661            .when(!menu_visible, |this| {
4662                this.tooltip(move |_window, cx| {
4663                    Tooltip::with_meta("Add Context", None, "Or type @ to include context", cx)
4664                })
4665            })
4666            .on_click(cx.listener(move |_this, _, window, cx| {
4667                let message_editor_clone = message_editor.clone();
4668
4669                window.defer(cx, move |window, cx| {
4670                    message_editor_clone.update(cx, |message_editor, cx| {
4671                        message_editor.trigger_completion_menu(window, cx);
4672                    });
4673                });
4674            }))
4675    }
4676
4677    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4678        let workspace = self.workspace.clone();
4679        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4680            Self::open_link(text, &workspace, window, cx);
4681        })
4682    }
4683
4684    fn open_link(
4685        url: SharedString,
4686        workspace: &WeakEntity<Workspace>,
4687        window: &mut Window,
4688        cx: &mut App,
4689    ) {
4690        let Some(workspace) = workspace.upgrade() else {
4691            cx.open_url(&url);
4692            return;
4693        };
4694
4695        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
4696        {
4697            workspace.update(cx, |workspace, cx| match mention {
4698                MentionUri::File { abs_path } => {
4699                    let project = workspace.project();
4700                    let Some(path) =
4701                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4702                    else {
4703                        return;
4704                    };
4705
4706                    workspace
4707                        .open_path(path, None, true, window, cx)
4708                        .detach_and_log_err(cx);
4709                }
4710                MentionUri::PastedImage => {}
4711                MentionUri::Directory { abs_path } => {
4712                    let project = workspace.project();
4713                    let Some(entry_id) = project.update(cx, |project, cx| {
4714                        let path = project.find_project_path(abs_path, cx)?;
4715                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4716                    }) else {
4717                        return;
4718                    };
4719
4720                    project.update(cx, |_, cx| {
4721                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4722                    });
4723                }
4724                MentionUri::Symbol {
4725                    abs_path: path,
4726                    line_range,
4727                    ..
4728                }
4729                | MentionUri::Selection {
4730                    abs_path: Some(path),
4731                    line_range,
4732                } => {
4733                    let project = workspace.project();
4734                    let Some(path) =
4735                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4736                    else {
4737                        return;
4738                    };
4739
4740                    let item = workspace.open_path(path, None, true, window, cx);
4741                    window
4742                        .spawn(cx, async move |cx| {
4743                            let Some(editor) = item.await?.downcast::<Editor>() else {
4744                                return Ok(());
4745                            };
4746                            let range = Point::new(*line_range.start(), 0)
4747                                ..Point::new(*line_range.start(), 0);
4748                            editor
4749                                .update_in(cx, |editor, window, cx| {
4750                                    editor.change_selections(
4751                                        SelectionEffects::scroll(Autoscroll::center()),
4752                                        window,
4753                                        cx,
4754                                        |s| s.select_ranges(vec![range]),
4755                                    );
4756                                })
4757                                .ok();
4758                            anyhow::Ok(())
4759                        })
4760                        .detach_and_log_err(cx);
4761                }
4762                MentionUri::Selection { abs_path: None, .. } => {}
4763                MentionUri::Thread { id, name } => {
4764                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4765                        panel.update(cx, |panel, cx| {
4766                            panel.load_agent_thread(
4767                                DbThreadMetadata {
4768                                    id,
4769                                    title: name.into(),
4770                                    updated_at: Default::default(),
4771                                },
4772                                window,
4773                                cx,
4774                            )
4775                        });
4776                    }
4777                }
4778                MentionUri::TextThread { path, .. } => {
4779                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4780                        panel.update(cx, |panel, cx| {
4781                            panel
4782                                .open_saved_text_thread(path.as_path().into(), window, cx)
4783                                .detach_and_log_err(cx);
4784                        });
4785                    }
4786                }
4787                MentionUri::Rule { id, .. } => {
4788                    let PromptId::User { uuid } = id else {
4789                        return;
4790                    };
4791                    window.dispatch_action(
4792                        Box::new(OpenRulesLibrary {
4793                            prompt_to_select: Some(uuid.0),
4794                        }),
4795                        cx,
4796                    )
4797                }
4798                MentionUri::Fetch { url } => {
4799                    cx.open_url(url.as_str());
4800                }
4801            })
4802        } else {
4803            cx.open_url(&url);
4804        }
4805    }
4806
4807    fn open_tool_call_location(
4808        &self,
4809        entry_ix: usize,
4810        location_ix: usize,
4811        window: &mut Window,
4812        cx: &mut Context<Self>,
4813    ) -> Option<()> {
4814        let (tool_call_location, agent_location) = self
4815            .thread()?
4816            .read(cx)
4817            .entries()
4818            .get(entry_ix)?
4819            .location(location_ix)?;
4820
4821        let project_path = self
4822            .project
4823            .read(cx)
4824            .find_project_path(&tool_call_location.path, cx)?;
4825
4826        let open_task = self
4827            .workspace
4828            .update(cx, |workspace, cx| {
4829                workspace.open_path(project_path, None, true, window, cx)
4830            })
4831            .log_err()?;
4832        window
4833            .spawn(cx, async move |cx| {
4834                let item = open_task.await?;
4835
4836                let Some(active_editor) = item.downcast::<Editor>() else {
4837                    return anyhow::Ok(());
4838                };
4839
4840                active_editor.update_in(cx, |editor, window, cx| {
4841                    let multibuffer = editor.buffer().read(cx);
4842                    let buffer = multibuffer.as_singleton();
4843                    if agent_location.buffer.upgrade() == buffer {
4844                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4845                        let anchor =
4846                            editor::Anchor::in_buffer(excerpt_id.unwrap(), agent_location.position);
4847                        editor.change_selections(Default::default(), window, cx, |selections| {
4848                            selections.select_anchor_ranges([anchor..anchor]);
4849                        })
4850                    } else {
4851                        let row = tool_call_location.line.unwrap_or_default();
4852                        editor.change_selections(Default::default(), window, cx, |selections| {
4853                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4854                        })
4855                    }
4856                })?;
4857
4858                anyhow::Ok(())
4859            })
4860            .detach_and_log_err(cx);
4861
4862        None
4863    }
4864
4865    pub fn open_thread_as_markdown(
4866        &self,
4867        workspace: Entity<Workspace>,
4868        window: &mut Window,
4869        cx: &mut App,
4870    ) -> Task<Result<()>> {
4871        let markdown_language_task = workspace
4872            .read(cx)
4873            .app_state()
4874            .languages
4875            .language_for_name("Markdown");
4876
4877        let (thread_title, markdown) = if let Some(thread) = self.thread() {
4878            let thread = thread.read(cx);
4879            (thread.title().to_string(), thread.to_markdown(cx))
4880        } else {
4881            return Task::ready(Ok(()));
4882        };
4883
4884        let project = workspace.read(cx).project().clone();
4885        window.spawn(cx, async move |cx| {
4886            let markdown_language = markdown_language_task.await?;
4887
4888            let buffer = project
4889                .update(cx, |project, cx| project.create_buffer(false, cx))?
4890                .await?;
4891
4892            buffer.update(cx, |buffer, cx| {
4893                buffer.set_text(markdown, cx);
4894                buffer.set_language(Some(markdown_language), cx);
4895                buffer.set_capability(language::Capability::ReadWrite, cx);
4896            })?;
4897
4898            workspace.update_in(cx, |workspace, window, cx| {
4899                let buffer = cx
4900                    .new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_title.clone()));
4901
4902                workspace.add_item_to_active_pane(
4903                    Box::new(cx.new(|cx| {
4904                        let mut editor =
4905                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4906                        editor.set_breadcrumb_header(thread_title);
4907                        editor
4908                    })),
4909                    None,
4910                    true,
4911                    window,
4912                    cx,
4913                );
4914            })?;
4915            anyhow::Ok(())
4916        })
4917    }
4918
4919    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4920        self.list_state.scroll_to(ListOffset::default());
4921        cx.notify();
4922    }
4923
4924    fn scroll_to_most_recent_user_prompt(&mut self, cx: &mut Context<Self>) {
4925        let Some(thread) = self.thread() else {
4926            return;
4927        };
4928
4929        let entries = thread.read(cx).entries();
4930        if entries.is_empty() {
4931            return;
4932        }
4933
4934        // Find the most recent user message and scroll it to the top of the viewport.
4935        // (Fallback: if no user message exists, scroll to the bottom.)
4936        if let Some(ix) = entries
4937            .iter()
4938            .rposition(|entry| matches!(entry, AgentThreadEntry::UserMessage(_)))
4939        {
4940            self.list_state.scroll_to(ListOffset {
4941                item_ix: ix,
4942                offset_in_item: px(0.0),
4943            });
4944            cx.notify();
4945        } else {
4946            self.scroll_to_bottom(cx);
4947        }
4948    }
4949
4950    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4951        if let Some(thread) = self.thread() {
4952            let entry_count = thread.read(cx).entries().len();
4953            self.list_state.reset(entry_count);
4954            cx.notify();
4955        }
4956    }
4957
4958    fn notify_with_sound(
4959        &mut self,
4960        caption: impl Into<SharedString>,
4961        icon: IconName,
4962        window: &mut Window,
4963        cx: &mut Context<Self>,
4964    ) {
4965        self.play_notification_sound(window, cx);
4966        self.show_notification(caption, icon, window, cx);
4967    }
4968
4969    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4970        let settings = AgentSettings::get_global(cx);
4971        if settings.play_sound_when_agent_done && !window.is_window_active() {
4972            Audio::play_sound(Sound::AgentDone, cx);
4973        }
4974    }
4975
4976    fn show_notification(
4977        &mut self,
4978        caption: impl Into<SharedString>,
4979        icon: IconName,
4980        window: &mut Window,
4981        cx: &mut Context<Self>,
4982    ) {
4983        if !self.notifications.is_empty() {
4984            return;
4985        }
4986
4987        let settings = AgentSettings::get_global(cx);
4988
4989        let window_is_inactive = !window.is_window_active();
4990        let panel_is_hidden = self
4991            .workspace
4992            .upgrade()
4993            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
4994            .unwrap_or(true);
4995
4996        let should_notify = window_is_inactive || panel_is_hidden;
4997
4998        if !should_notify {
4999            return;
5000        }
5001
5002        // TODO: Change this once we have title summarization for external agents.
5003        let title = self.agent.name();
5004
5005        match settings.notify_when_agent_waiting {
5006            NotifyWhenAgentWaiting::PrimaryScreen => {
5007                if let Some(primary) = cx.primary_display() {
5008                    self.pop_up(icon, caption.into(), title, window, primary, cx);
5009                }
5010            }
5011            NotifyWhenAgentWaiting::AllScreens => {
5012                let caption = caption.into();
5013                for screen in cx.displays() {
5014                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
5015                }
5016            }
5017            NotifyWhenAgentWaiting::Never => {
5018                // Don't show anything
5019            }
5020        }
5021    }
5022
5023    fn pop_up(
5024        &mut self,
5025        icon: IconName,
5026        caption: SharedString,
5027        title: SharedString,
5028        window: &mut Window,
5029        screen: Rc<dyn PlatformDisplay>,
5030        cx: &mut Context<Self>,
5031    ) {
5032        let options = AgentNotification::window_options(screen, cx);
5033
5034        let project_name = self.workspace.upgrade().and_then(|workspace| {
5035            workspace
5036                .read(cx)
5037                .project()
5038                .read(cx)
5039                .visible_worktrees(cx)
5040                .next()
5041                .map(|worktree| worktree.read(cx).root_name_str().to_string())
5042        });
5043
5044        if let Some(screen_window) = cx
5045            .open_window(options, |_, cx| {
5046                cx.new(|_| {
5047                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
5048                })
5049            })
5050            .log_err()
5051            && let Some(pop_up) = screen_window.entity(cx).log_err()
5052        {
5053            self.notification_subscriptions
5054                .entry(screen_window)
5055                .or_insert_with(Vec::new)
5056                .push(cx.subscribe_in(&pop_up, window, {
5057                    |this, _, event, window, cx| match event {
5058                        AgentNotificationEvent::Accepted => {
5059                            let handle = window.window_handle();
5060                            cx.activate(true);
5061
5062                            let workspace_handle = this.workspace.clone();
5063
5064                            // If there are multiple Zed windows, activate the correct one.
5065                            cx.defer(move |cx| {
5066                                handle
5067                                    .update(cx, |_view, window, _cx| {
5068                                        window.activate_window();
5069
5070                                        if let Some(workspace) = workspace_handle.upgrade() {
5071                                            workspace.update(_cx, |workspace, cx| {
5072                                                workspace.focus_panel::<AgentPanel>(window, cx);
5073                                            });
5074                                        }
5075                                    })
5076                                    .log_err();
5077                            });
5078
5079                            this.dismiss_notifications(cx);
5080                        }
5081                        AgentNotificationEvent::Dismissed => {
5082                            this.dismiss_notifications(cx);
5083                        }
5084                    }
5085                }));
5086
5087            self.notifications.push(screen_window);
5088
5089            // If the user manually refocuses the original window, dismiss the popup.
5090            self.notification_subscriptions
5091                .entry(screen_window)
5092                .or_insert_with(Vec::new)
5093                .push({
5094                    let pop_up_weak = pop_up.downgrade();
5095
5096                    cx.observe_window_activation(window, move |_, window, cx| {
5097                        if window.is_window_active()
5098                            && let Some(pop_up) = pop_up_weak.upgrade()
5099                        {
5100                            pop_up.update(cx, |_, cx| {
5101                                cx.emit(AgentNotificationEvent::Dismissed);
5102                            });
5103                        }
5104                    })
5105                });
5106        }
5107    }
5108
5109    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
5110        for window in self.notifications.drain(..) {
5111            window
5112                .update(cx, |_, window, _| {
5113                    window.remove_window();
5114                })
5115                .ok();
5116
5117            self.notification_subscriptions.remove(&window);
5118        }
5119    }
5120
5121    fn render_generating(&self, confirmation: bool) -> impl IntoElement {
5122        h_flex()
5123            .id("generating-spinner")
5124            .py_2()
5125            .px(rems_from_px(22.))
5126            .map(|this| {
5127                if confirmation {
5128                    this.gap_2()
5129                        .child(
5130                            h_flex()
5131                                .w_2()
5132                                .child(SpinnerLabel::sand().size(LabelSize::Small)),
5133                        )
5134                        .child(
5135                            LoadingLabel::new("Waiting Confirmation")
5136                                .size(LabelSize::Small)
5137                                .color(Color::Muted),
5138                        )
5139                } else {
5140                    this.child(SpinnerLabel::new().size(LabelSize::Small))
5141                }
5142            })
5143            .into_any_element()
5144    }
5145
5146    fn render_thread_controls(
5147        &self,
5148        thread: &Entity<AcpThread>,
5149        cx: &Context<Self>,
5150    ) -> impl IntoElement {
5151        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
5152        if is_generating {
5153            return self.render_generating(false).into_any_element();
5154        }
5155
5156        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
5157            .shape(ui::IconButtonShape::Square)
5158            .icon_size(IconSize::Small)
5159            .icon_color(Color::Ignored)
5160            .tooltip(Tooltip::text("Open Thread as Markdown"))
5161            .on_click(cx.listener(move |this, _, window, cx| {
5162                if let Some(workspace) = this.workspace.upgrade() {
5163                    this.open_thread_as_markdown(workspace, window, cx)
5164                        .detach_and_log_err(cx);
5165                }
5166            }));
5167
5168        let scroll_to_recent_user_prompt =
5169            IconButton::new("scroll_to_recent_user_prompt", IconName::ForwardArrow)
5170                .shape(ui::IconButtonShape::Square)
5171                .icon_size(IconSize::Small)
5172                .icon_color(Color::Ignored)
5173                .tooltip(Tooltip::text("Scroll To Most Recent User Prompt"))
5174                .on_click(cx.listener(move |this, _, _, cx| {
5175                    this.scroll_to_most_recent_user_prompt(cx);
5176                }));
5177
5178        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
5179            .shape(ui::IconButtonShape::Square)
5180            .icon_size(IconSize::Small)
5181            .icon_color(Color::Ignored)
5182            .tooltip(Tooltip::text("Scroll To Top"))
5183            .on_click(cx.listener(move |this, _, _, cx| {
5184                this.scroll_to_top(cx);
5185            }));
5186
5187        let mut container = h_flex()
5188            .w_full()
5189            .py_2()
5190            .px_5()
5191            .gap_px()
5192            .opacity(0.6)
5193            .hover(|s| s.opacity(1.))
5194            .justify_end();
5195
5196        if AgentSettings::get_global(cx).enable_feedback
5197            && self
5198                .thread()
5199                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
5200        {
5201            let feedback = self.thread_feedback.feedback;
5202
5203            let tooltip_meta = || {
5204                SharedString::new(
5205                    "Rating the thread sends all of your current conversation to the Zed team.",
5206                )
5207            };
5208
5209            container = container
5210                .child(
5211                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
5212                        .shape(ui::IconButtonShape::Square)
5213                        .icon_size(IconSize::Small)
5214                        .icon_color(match feedback {
5215                            Some(ThreadFeedback::Positive) => Color::Accent,
5216                            _ => Color::Ignored,
5217                        })
5218                        .tooltip(move |window, cx| match feedback {
5219                            Some(ThreadFeedback::Positive) => {
5220                                Tooltip::text("Thanks for your feedback!")(window, cx)
5221                            }
5222                            _ => Tooltip::with_meta("Helpful Response", None, tooltip_meta(), cx),
5223                        })
5224                        .on_click(cx.listener(move |this, _, window, cx| {
5225                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
5226                        })),
5227                )
5228                .child(
5229                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
5230                        .shape(ui::IconButtonShape::Square)
5231                        .icon_size(IconSize::Small)
5232                        .icon_color(match feedback {
5233                            Some(ThreadFeedback::Negative) => Color::Accent,
5234                            _ => Color::Ignored,
5235                        })
5236                        .tooltip(move |window, cx| match feedback {
5237                            Some(ThreadFeedback::Negative) => {
5238                                Tooltip::text(
5239                                    "We appreciate your feedback and will use it to improve in the future.",
5240                                )(window, cx)
5241                            }
5242                            _ => {
5243                                Tooltip::with_meta("Not Helpful Response", None, tooltip_meta(), cx)
5244                            }
5245                        })
5246                        .on_click(cx.listener(move |this, _, window, cx| {
5247                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
5248                        })),
5249                );
5250        }
5251
5252        container
5253            .child(open_as_markdown)
5254            .child(scroll_to_recent_user_prompt)
5255            .child(scroll_to_top)
5256            .into_any_element()
5257    }
5258
5259    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
5260        h_flex()
5261            .key_context("AgentFeedbackMessageEditor")
5262            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
5263                this.thread_feedback.dismiss_comments();
5264                cx.notify();
5265            }))
5266            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
5267                this.submit_feedback_message(cx);
5268            }))
5269            .p_2()
5270            .mb_2()
5271            .mx_5()
5272            .gap_1()
5273            .rounded_md()
5274            .border_1()
5275            .border_color(cx.theme().colors().border)
5276            .bg(cx.theme().colors().editor_background)
5277            .child(div().w_full().child(editor))
5278            .child(
5279                h_flex()
5280                    .child(
5281                        IconButton::new("dismiss-feedback-message", IconName::Close)
5282                            .icon_color(Color::Error)
5283                            .icon_size(IconSize::XSmall)
5284                            .shape(ui::IconButtonShape::Square)
5285                            .on_click(cx.listener(move |this, _, _window, cx| {
5286                                this.thread_feedback.dismiss_comments();
5287                                cx.notify();
5288                            })),
5289                    )
5290                    .child(
5291                        IconButton::new("submit-feedback-message", IconName::Return)
5292                            .icon_size(IconSize::XSmall)
5293                            .shape(ui::IconButtonShape::Square)
5294                            .on_click(cx.listener(move |this, _, _window, cx| {
5295                                this.submit_feedback_message(cx);
5296                            })),
5297                    ),
5298            )
5299    }
5300
5301    fn handle_feedback_click(
5302        &mut self,
5303        feedback: ThreadFeedback,
5304        window: &mut Window,
5305        cx: &mut Context<Self>,
5306    ) {
5307        let Some(thread) = self.thread().cloned() else {
5308            return;
5309        };
5310
5311        self.thread_feedback.submit(thread, feedback, window, cx);
5312        cx.notify();
5313    }
5314
5315    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
5316        let Some(thread) = self.thread().cloned() else {
5317            return;
5318        };
5319
5320        self.thread_feedback.submit_comments(thread, cx);
5321        cx.notify();
5322    }
5323
5324    fn render_token_limit_callout(
5325        &self,
5326        line_height: Pixels,
5327        cx: &mut Context<Self>,
5328    ) -> Option<Callout> {
5329        let token_usage = self.thread()?.read(cx).token_usage()?;
5330        let ratio = token_usage.ratio();
5331
5332        let (severity, title) = match ratio {
5333            acp_thread::TokenUsageRatio::Normal => return None,
5334            acp_thread::TokenUsageRatio::Warning => {
5335                (Severity::Warning, "Thread reaching the token limit soon")
5336            }
5337            acp_thread::TokenUsageRatio::Exceeded => {
5338                (Severity::Error, "Thread reached the token limit")
5339            }
5340        };
5341
5342        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
5343            thread.read(cx).completion_mode() == CompletionMode::Normal
5344                && thread
5345                    .read(cx)
5346                    .model()
5347                    .is_some_and(|model| model.supports_burn_mode())
5348        });
5349
5350        let description = if burn_mode_available {
5351            "To continue, start a new thread from a summary or turn Burn Mode on."
5352        } else {
5353            "To continue, start a new thread from a summary."
5354        };
5355
5356        Some(
5357            Callout::new()
5358                .severity(severity)
5359                .line_height(line_height)
5360                .title(title)
5361                .description(description)
5362                .actions_slot(
5363                    h_flex()
5364                        .gap_0p5()
5365                        .child(
5366                            Button::new("start-new-thread", "Start New Thread")
5367                                .label_size(LabelSize::Small)
5368                                .on_click(cx.listener(|this, _, window, cx| {
5369                                    let Some(thread) = this.thread() else {
5370                                        return;
5371                                    };
5372                                    let session_id = thread.read(cx).session_id().clone();
5373                                    window.dispatch_action(
5374                                        crate::NewNativeAgentThreadFromSummary {
5375                                            from_session_id: session_id,
5376                                        }
5377                                        .boxed_clone(),
5378                                        cx,
5379                                    );
5380                                })),
5381                        )
5382                        .when(burn_mode_available, |this| {
5383                            this.child(
5384                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
5385                                    .icon_size(IconSize::XSmall)
5386                                    .on_click(cx.listener(|this, _event, window, cx| {
5387                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5388                                    })),
5389                            )
5390                        }),
5391                ),
5392        )
5393    }
5394
5395    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
5396        if !self.is_using_zed_ai_models(cx) {
5397            return None;
5398        }
5399
5400        let user_store = self.project.read(cx).user_store().read(cx);
5401        if user_store.is_usage_based_billing_enabled() {
5402            return None;
5403        }
5404
5405        let plan = user_store
5406            .plan()
5407            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
5408
5409        let usage = user_store.model_request_usage()?;
5410
5411        Some(
5412            div()
5413                .child(UsageCallout::new(plan, usage))
5414                .line_height(line_height),
5415        )
5416    }
5417
5418    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
5419        self.entry_view_state.update(cx, |entry_view_state, cx| {
5420            entry_view_state.agent_ui_font_size_changed(cx);
5421        });
5422    }
5423
5424    pub(crate) fn insert_dragged_files(
5425        &self,
5426        paths: Vec<project::ProjectPath>,
5427        added_worktrees: Vec<Entity<project::Worktree>>,
5428        window: &mut Window,
5429        cx: &mut Context<Self>,
5430    ) {
5431        self.message_editor.update(cx, |message_editor, cx| {
5432            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5433        })
5434    }
5435
5436    /// Inserts the selected text into the message editor or the message being
5437    /// edited, if any.
5438    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5439        self.active_editor(cx).update(cx, |editor, cx| {
5440            editor.insert_selections(window, cx);
5441        });
5442    }
5443
5444    fn render_thread_retry_status_callout(
5445        &self,
5446        _window: &mut Window,
5447        _cx: &mut Context<Self>,
5448    ) -> Option<Callout> {
5449        let state = self.thread_retry_status.as_ref()?;
5450
5451        let next_attempt_in = state
5452            .duration
5453            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5454        if next_attempt_in.is_zero() {
5455            return None;
5456        }
5457
5458        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5459
5460        let retry_message = if state.max_attempts == 1 {
5461            if next_attempt_in_secs == 1 {
5462                "Retrying. Next attempt in 1 second.".to_string()
5463            } else {
5464                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5465            }
5466        } else if next_attempt_in_secs == 1 {
5467            format!(
5468                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5469                state.attempt, state.max_attempts,
5470            )
5471        } else {
5472            format!(
5473                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5474                state.attempt, state.max_attempts,
5475            )
5476        };
5477
5478        Some(
5479            Callout::new()
5480                .severity(Severity::Warning)
5481                .title(state.last_error.clone())
5482                .description(retry_message),
5483        )
5484    }
5485
5486    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Callout {
5487        Callout::new()
5488            .icon(IconName::Warning)
5489            .severity(Severity::Warning)
5490            .title("Codex on Windows")
5491            .description("For best performance, run Codex in Windows Subsystem for Linux (WSL2)")
5492            .actions_slot(
5493                Button::new("open-wsl-modal", "Open in WSL")
5494                    .icon_size(IconSize::Small)
5495                    .icon_color(Color::Muted)
5496                    .on_click(cx.listener({
5497                        move |_, _, _window, cx| {
5498                            #[cfg(windows)]
5499                            _window.dispatch_action(
5500                                zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5501                                cx,
5502                            );
5503                            cx.notify();
5504                        }
5505                    })),
5506            )
5507            .dismiss_action(
5508                IconButton::new("dismiss", IconName::Close)
5509                    .icon_size(IconSize::Small)
5510                    .icon_color(Color::Muted)
5511                    .tooltip(Tooltip::text("Dismiss Warning"))
5512                    .on_click(cx.listener({
5513                        move |this, _, _, cx| {
5514                            this.show_codex_windows_warning = false;
5515                            cx.notify();
5516                        }
5517                    })),
5518            )
5519    }
5520
5521    fn render_thread_error(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
5522        let content = match self.thread_error.as_ref()? {
5523            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), window, cx),
5524            ThreadError::Refusal => self.render_refusal_error(cx),
5525            ThreadError::AuthenticationRequired(error) => {
5526                self.render_authentication_required_error(error.clone(), cx)
5527            }
5528            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5529            ThreadError::ModelRequestLimitReached(plan) => {
5530                self.render_model_request_limit_reached_error(*plan, cx)
5531            }
5532            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5533        };
5534
5535        Some(div().child(content))
5536    }
5537
5538    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5539        v_flex().w_full().justify_end().child(
5540            h_flex()
5541                .p_2()
5542                .pr_3()
5543                .w_full()
5544                .gap_1p5()
5545                .border_t_1()
5546                .border_color(cx.theme().colors().border)
5547                .bg(cx.theme().colors().element_background)
5548                .child(
5549                    h_flex()
5550                        .flex_1()
5551                        .gap_1p5()
5552                        .child(
5553                            Icon::new(IconName::Download)
5554                                .color(Color::Accent)
5555                                .size(IconSize::Small),
5556                        )
5557                        .child(Label::new("New version available").size(LabelSize::Small)),
5558                )
5559                .child(
5560                    Button::new("update-button", format!("Update to v{}", version))
5561                        .label_size(LabelSize::Small)
5562                        .style(ButtonStyle::Tinted(TintColor::Accent))
5563                        .on_click(cx.listener(|this, _, window, cx| {
5564                            this.reset(window, cx);
5565                        })),
5566                ),
5567        )
5568    }
5569
5570    fn current_mode_id(&self, cx: &App) -> Option<Arc<str>> {
5571        if let Some(thread) = self.as_native_thread(cx) {
5572            Some(thread.read(cx).profile().0.clone())
5573        } else if let Some(mode_selector) = self.mode_selector() {
5574            Some(mode_selector.read(cx).mode().0)
5575        } else {
5576            None
5577        }
5578    }
5579
5580    fn current_model_id(&self, cx: &App) -> Option<String> {
5581        self.model_selector
5582            .as_ref()
5583            .and_then(|selector| selector.read(cx).active_model(cx).map(|m| m.id.to_string()))
5584    }
5585
5586    fn current_model_name(&self, cx: &App) -> SharedString {
5587        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5588        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5589        // This provides better clarity about what refused the request
5590        if self.as_native_connection(cx).is_some() {
5591            self.model_selector
5592                .as_ref()
5593                .and_then(|selector| selector.read(cx).active_model(cx))
5594                .map(|model| model.name.clone())
5595                .unwrap_or_else(|| SharedString::from("The model"))
5596        } else {
5597            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5598            self.agent.name()
5599        }
5600    }
5601
5602    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5603        let model_or_agent_name = self.current_model_name(cx);
5604        let refusal_message = format!(
5605            "{} 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.",
5606            model_or_agent_name
5607        );
5608
5609        Callout::new()
5610            .severity(Severity::Error)
5611            .title("Request Refused")
5612            .icon(IconName::XCircle)
5613            .description(refusal_message.clone())
5614            .actions_slot(self.create_copy_button(&refusal_message))
5615            .dismiss_action(self.dismiss_error_button(cx))
5616    }
5617
5618    fn render_any_thread_error(
5619        &mut self,
5620        error: SharedString,
5621        window: &mut Window,
5622        cx: &mut Context<'_, Self>,
5623    ) -> Callout {
5624        let can_resume = self
5625            .thread()
5626            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5627
5628        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5629            let thread = thread.read(cx);
5630            let supports_burn_mode = thread
5631                .model()
5632                .map_or(false, |model| model.supports_burn_mode());
5633            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5634        });
5635
5636        let markdown = if let Some(markdown) = &self.thread_error_markdown {
5637            markdown.clone()
5638        } else {
5639            let markdown = cx.new(|cx| Markdown::new(error.clone(), None, None, cx));
5640            self.thread_error_markdown = Some(markdown.clone());
5641            markdown
5642        };
5643
5644        let markdown_style = default_markdown_style(false, true, window, cx);
5645        let description = self
5646            .render_markdown(markdown, markdown_style)
5647            .into_any_element();
5648
5649        Callout::new()
5650            .severity(Severity::Error)
5651            .icon(IconName::XCircle)
5652            .title("An Error Happened")
5653            .description_slot(description)
5654            .actions_slot(
5655                h_flex()
5656                    .gap_0p5()
5657                    .when(can_resume && can_enable_burn_mode, |this| {
5658                        this.child(
5659                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5660                                .icon(IconName::ZedBurnMode)
5661                                .icon_position(IconPosition::Start)
5662                                .icon_size(IconSize::Small)
5663                                .label_size(LabelSize::Small)
5664                                .on_click(cx.listener(|this, _, window, cx| {
5665                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5666                                    this.resume_chat(cx);
5667                                })),
5668                        )
5669                    })
5670                    .when(can_resume, |this| {
5671                        this.child(
5672                            IconButton::new("retry", IconName::RotateCw)
5673                                .icon_size(IconSize::Small)
5674                                .tooltip(Tooltip::text("Retry Generation"))
5675                                .on_click(cx.listener(|this, _, _window, cx| {
5676                                    this.resume_chat(cx);
5677                                })),
5678                        )
5679                    })
5680                    .child(self.create_copy_button(error.to_string())),
5681            )
5682            .dismiss_action(self.dismiss_error_button(cx))
5683    }
5684
5685    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5686        const ERROR_MESSAGE: &str =
5687            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5688
5689        Callout::new()
5690            .severity(Severity::Error)
5691            .icon(IconName::XCircle)
5692            .title("Free Usage Exceeded")
5693            .description(ERROR_MESSAGE)
5694            .actions_slot(
5695                h_flex()
5696                    .gap_0p5()
5697                    .child(self.upgrade_button(cx))
5698                    .child(self.create_copy_button(ERROR_MESSAGE)),
5699            )
5700            .dismiss_action(self.dismiss_error_button(cx))
5701    }
5702
5703    fn render_authentication_required_error(
5704        &self,
5705        error: SharedString,
5706        cx: &mut Context<Self>,
5707    ) -> Callout {
5708        Callout::new()
5709            .severity(Severity::Error)
5710            .title("Authentication Required")
5711            .icon(IconName::XCircle)
5712            .description(error.clone())
5713            .actions_slot(
5714                h_flex()
5715                    .gap_0p5()
5716                    .child(self.authenticate_button(cx))
5717                    .child(self.create_copy_button(error)),
5718            )
5719            .dismiss_action(self.dismiss_error_button(cx))
5720    }
5721
5722    fn render_model_request_limit_reached_error(
5723        &self,
5724        plan: cloud_llm_client::Plan,
5725        cx: &mut Context<Self>,
5726    ) -> Callout {
5727        let error_message = match plan {
5728            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5729                "Upgrade to usage-based billing for more prompts."
5730            }
5731            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5732            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5733            cloud_llm_client::Plan::V2(_) => "",
5734        };
5735
5736        Callout::new()
5737            .severity(Severity::Error)
5738            .title("Model Prompt Limit Reached")
5739            .icon(IconName::XCircle)
5740            .description(error_message)
5741            .actions_slot(
5742                h_flex()
5743                    .gap_0p5()
5744                    .child(self.upgrade_button(cx))
5745                    .child(self.create_copy_button(error_message)),
5746            )
5747            .dismiss_action(self.dismiss_error_button(cx))
5748    }
5749
5750    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5751        let thread = self.as_native_thread(cx)?;
5752        let supports_burn_mode = thread
5753            .read(cx)
5754            .model()
5755            .is_some_and(|model| model.supports_burn_mode());
5756
5757        let focus_handle = self.focus_handle(cx);
5758
5759        Some(
5760            Callout::new()
5761                .icon(IconName::Info)
5762                .title("Consecutive tool use limit reached.")
5763                .actions_slot(
5764                    h_flex()
5765                        .gap_0p5()
5766                        .when(supports_burn_mode, |this| {
5767                            this.child(
5768                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5769                                    .style(ButtonStyle::Filled)
5770                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5771                                    .layer(ElevationIndex::ModalSurface)
5772                                    .label_size(LabelSize::Small)
5773                                    .key_binding(
5774                                        KeyBinding::for_action_in(
5775                                            &ContinueWithBurnMode,
5776                                            &focus_handle,
5777                                            cx,
5778                                        )
5779                                        .map(|kb| kb.size(rems_from_px(10.))),
5780                                    )
5781                                    .tooltip(Tooltip::text(
5782                                        "Enable Burn Mode for unlimited tool use.",
5783                                    ))
5784                                    .on_click({
5785                                        cx.listener(move |this, _, _window, cx| {
5786                                            thread.update(cx, |thread, cx| {
5787                                                thread
5788                                                    .set_completion_mode(CompletionMode::Burn, cx);
5789                                            });
5790                                            this.resume_chat(cx);
5791                                        })
5792                                    }),
5793                            )
5794                        })
5795                        .child(
5796                            Button::new("continue-conversation", "Continue")
5797                                .layer(ElevationIndex::ModalSurface)
5798                                .label_size(LabelSize::Small)
5799                                .key_binding(
5800                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5801                                        .map(|kb| kb.size(rems_from_px(10.))),
5802                                )
5803                                .on_click(cx.listener(|this, _, _window, cx| {
5804                                    this.resume_chat(cx);
5805                                })),
5806                        ),
5807                ),
5808        )
5809    }
5810
5811    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5812        let message = message.into();
5813
5814        IconButton::new("copy", IconName::Copy)
5815            .icon_size(IconSize::Small)
5816            .tooltip(Tooltip::text("Copy Error Message"))
5817            .on_click(move |_, _, cx| {
5818                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5819            })
5820    }
5821
5822    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5823        IconButton::new("dismiss", IconName::Close)
5824            .icon_size(IconSize::Small)
5825            .tooltip(Tooltip::text("Dismiss Error"))
5826            .on_click(cx.listener({
5827                move |this, _, _, cx| {
5828                    this.clear_thread_error(cx);
5829                    cx.notify();
5830                }
5831            }))
5832    }
5833
5834    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5835        Button::new("authenticate", "Authenticate")
5836            .label_size(LabelSize::Small)
5837            .style(ButtonStyle::Filled)
5838            .on_click(cx.listener({
5839                move |this, _, window, cx| {
5840                    let agent = this.agent.clone();
5841                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5842                        return;
5843                    };
5844
5845                    let connection = thread.read(cx).connection().clone();
5846                    let err = AuthRequired {
5847                        description: None,
5848                        provider_id: None,
5849                    };
5850                    this.clear_thread_error(cx);
5851                    if let Some(message) = this.in_flight_prompt.take() {
5852                        this.message_editor.update(cx, |editor, cx| {
5853                            editor.set_message(message, window, cx);
5854                        });
5855                    }
5856                    let this = cx.weak_entity();
5857                    window.defer(cx, |window, cx| {
5858                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5859                    })
5860                }
5861            }))
5862    }
5863
5864    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5865        let agent = self.agent.clone();
5866        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5867            return;
5868        };
5869
5870        let connection = thread.read(cx).connection().clone();
5871        let err = AuthRequired {
5872            description: None,
5873            provider_id: None,
5874        };
5875        self.clear_thread_error(cx);
5876        let this = cx.weak_entity();
5877        window.defer(cx, |window, cx| {
5878            Self::handle_auth_required(this, err, agent, connection, window, cx);
5879        })
5880    }
5881
5882    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5883        Button::new("upgrade", "Upgrade")
5884            .label_size(LabelSize::Small)
5885            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5886            .on_click(cx.listener({
5887                move |this, _, _, cx| {
5888                    this.clear_thread_error(cx);
5889                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5890                }
5891            }))
5892    }
5893
5894    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5895        let task = match entry {
5896            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5897                history.delete_thread(thread.id.clone(), cx)
5898            }),
5899            HistoryEntry::TextThread(text_thread) => {
5900                self.history_store.update(cx, |history, cx| {
5901                    history.delete_text_thread(text_thread.path.clone(), cx)
5902                })
5903            }
5904        };
5905        task.detach_and_log_err(cx);
5906    }
5907
5908    /// Returns the currently active editor, either for a message that is being
5909    /// edited or the editor for a new message.
5910    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5911        if let Some(index) = self.editing_message
5912            && let Some(editor) = self
5913                .entry_view_state
5914                .read(cx)
5915                .entry(index)
5916                .and_then(|e| e.message_editor())
5917                .cloned()
5918        {
5919            editor
5920        } else {
5921            self.message_editor.clone()
5922        }
5923    }
5924}
5925
5926fn loading_contents_spinner(size: IconSize) -> AnyElement {
5927    Icon::new(IconName::LoadCircle)
5928        .size(size)
5929        .color(Color::Accent)
5930        .with_rotate_animation(3)
5931        .into_any_element()
5932}
5933
5934fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
5935    if agent_name == "Zed Agent" {
5936        format!("Message the {} — @ to include context", agent_name)
5937    } else if has_commands {
5938        format!(
5939            "Message {} — @ to include context, / for commands",
5940            agent_name
5941        )
5942    } else {
5943        format!("Message {} — @ to include context", agent_name)
5944    }
5945}
5946
5947impl Focusable for AcpThreadView {
5948    fn focus_handle(&self, cx: &App) -> FocusHandle {
5949        match self.thread_state {
5950            ThreadState::Ready { .. } => self.active_editor(cx).focus_handle(cx),
5951            ThreadState::Loading { .. }
5952            | ThreadState::LoadError(_)
5953            | ThreadState::Unauthenticated { .. } => self.focus_handle.clone(),
5954        }
5955    }
5956}
5957
5958impl Render for AcpThreadView {
5959    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5960        let has_messages = self.list_state.item_count() > 0;
5961        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5962
5963        v_flex()
5964            .size_full()
5965            .key_context("AcpThread")
5966            .on_action(cx.listener(Self::toggle_burn_mode))
5967            .on_action(cx.listener(Self::keep_all))
5968            .on_action(cx.listener(Self::reject_all))
5969            .on_action(cx.listener(Self::allow_always))
5970            .on_action(cx.listener(Self::allow_once))
5971            .on_action(cx.listener(Self::reject_once))
5972            .track_focus(&self.focus_handle)
5973            .bg(cx.theme().colors().panel_background)
5974            .child(match &self.thread_state {
5975                ThreadState::Unauthenticated {
5976                    connection,
5977                    description,
5978                    configuration_view,
5979                    pending_auth_method,
5980                    ..
5981                } => self
5982                    .render_auth_required_state(
5983                        connection,
5984                        description.as_ref(),
5985                        configuration_view.as_ref(),
5986                        pending_auth_method.as_ref(),
5987                        window,
5988                        cx,
5989                    )
5990                    .into_any(),
5991                ThreadState::Loading { .. } => v_flex()
5992                    .flex_1()
5993                    .child(self.render_recent_history(cx))
5994                    .into_any(),
5995                ThreadState::LoadError(e) => v_flex()
5996                    .flex_1()
5997                    .size_full()
5998                    .items_center()
5999                    .justify_end()
6000                    .child(self.render_load_error(e, window, cx))
6001                    .into_any(),
6002                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
6003                    if has_messages {
6004                        this.child(
6005                            list(
6006                                self.list_state.clone(),
6007                                cx.processor(|this, index: usize, window, cx| {
6008                                    let Some((entry, len)) = this.thread().and_then(|thread| {
6009                                        let entries = &thread.read(cx).entries();
6010                                        Some((entries.get(index)?, entries.len()))
6011                                    }) else {
6012                                        return Empty.into_any();
6013                                    };
6014                                    this.render_entry(index, len, entry, window, cx)
6015                                }),
6016                            )
6017                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
6018                            .flex_grow()
6019                            .into_any(),
6020                        )
6021                        .vertical_scrollbar_for(&self.list_state, window, cx)
6022                        .into_any()
6023                    } else {
6024                        this.child(self.render_recent_history(cx)).into_any()
6025                    }
6026                }),
6027            })
6028            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
6029            // above so that the scrollbar doesn't render behind it. The current setup allows
6030            // the scrollbar to stop exactly at the activity bar start.
6031            .when(has_messages, |this| match &self.thread_state {
6032                ThreadState::Ready { thread, .. } => {
6033                    this.children(self.render_activity_bar(thread, window, cx))
6034                }
6035                _ => this,
6036            })
6037            .children(self.render_thread_retry_status_callout(window, cx))
6038            .when(self.show_codex_windows_warning, |this| {
6039                this.child(self.render_codex_windows_warning(cx))
6040            })
6041            .children(self.render_thread_error(window, cx))
6042            .when_some(
6043                self.new_server_version_available.as_ref().filter(|_| {
6044                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
6045                }),
6046                |this, version| this.child(self.render_new_version_callout(&version, cx)),
6047            )
6048            .children(
6049                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
6050                    Some(usage_callout.into_any_element())
6051                } else {
6052                    self.render_token_limit_callout(line_height, cx)
6053                        .map(|token_limit_callout| token_limit_callout.into_any_element())
6054                },
6055            )
6056            .child(self.render_message_editor(window, cx))
6057    }
6058}
6059
6060fn default_markdown_style(
6061    buffer_font: bool,
6062    muted_text: bool,
6063    window: &Window,
6064    cx: &App,
6065) -> MarkdownStyle {
6066    let theme_settings = ThemeSettings::get_global(cx);
6067    let colors = cx.theme().colors();
6068
6069    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
6070
6071    let mut text_style = window.text_style();
6072    let line_height = buffer_font_size * 1.75;
6073
6074    let font_family = if buffer_font {
6075        theme_settings.buffer_font.family.clone()
6076    } else {
6077        theme_settings.ui_font.family.clone()
6078    };
6079
6080    let font_size = if buffer_font {
6081        theme_settings.agent_buffer_font_size(cx)
6082    } else {
6083        theme_settings.agent_ui_font_size(cx)
6084    };
6085
6086    let text_color = if muted_text {
6087        colors.text_muted
6088    } else {
6089        colors.text
6090    };
6091
6092    text_style.refine(&TextStyleRefinement {
6093        font_family: Some(font_family),
6094        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
6095        font_features: Some(theme_settings.ui_font.features.clone()),
6096        font_size: Some(font_size.into()),
6097        line_height: Some(line_height.into()),
6098        color: Some(text_color),
6099        ..Default::default()
6100    });
6101
6102    MarkdownStyle {
6103        base_text_style: text_style.clone(),
6104        syntax: cx.theme().syntax().clone(),
6105        selection_background_color: colors.element_selection_background,
6106        code_block_overflow_x_scroll: true,
6107        heading_level_styles: Some(HeadingLevelStyles {
6108            h1: Some(TextStyleRefinement {
6109                font_size: Some(rems(1.15).into()),
6110                ..Default::default()
6111            }),
6112            h2: Some(TextStyleRefinement {
6113                font_size: Some(rems(1.1).into()),
6114                ..Default::default()
6115            }),
6116            h3: Some(TextStyleRefinement {
6117                font_size: Some(rems(1.05).into()),
6118                ..Default::default()
6119            }),
6120            h4: Some(TextStyleRefinement {
6121                font_size: Some(rems(1.).into()),
6122                ..Default::default()
6123            }),
6124            h5: Some(TextStyleRefinement {
6125                font_size: Some(rems(0.95).into()),
6126                ..Default::default()
6127            }),
6128            h6: Some(TextStyleRefinement {
6129                font_size: Some(rems(0.875).into()),
6130                ..Default::default()
6131            }),
6132        }),
6133        code_block: StyleRefinement {
6134            padding: EdgesRefinement {
6135                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6136                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6137                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6138                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6139            },
6140            margin: EdgesRefinement {
6141                top: Some(Length::Definite(px(8.).into())),
6142                left: Some(Length::Definite(px(0.).into())),
6143                right: Some(Length::Definite(px(0.).into())),
6144                bottom: Some(Length::Definite(px(12.).into())),
6145            },
6146            border_style: Some(BorderStyle::Solid),
6147            border_widths: EdgesRefinement {
6148                top: Some(AbsoluteLength::Pixels(px(1.))),
6149                left: Some(AbsoluteLength::Pixels(px(1.))),
6150                right: Some(AbsoluteLength::Pixels(px(1.))),
6151                bottom: Some(AbsoluteLength::Pixels(px(1.))),
6152            },
6153            border_color: Some(colors.border_variant),
6154            background: Some(colors.editor_background.into()),
6155            text: TextStyleRefinement {
6156                font_family: Some(theme_settings.buffer_font.family.clone()),
6157                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6158                font_features: Some(theme_settings.buffer_font.features.clone()),
6159                font_size: Some(buffer_font_size.into()),
6160                ..Default::default()
6161            },
6162            ..Default::default()
6163        },
6164        inline_code: TextStyleRefinement {
6165            font_family: Some(theme_settings.buffer_font.family.clone()),
6166            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6167            font_features: Some(theme_settings.buffer_font.features.clone()),
6168            font_size: Some(buffer_font_size.into()),
6169            background_color: Some(colors.editor_foreground.opacity(0.08)),
6170            ..Default::default()
6171        },
6172        link: TextStyleRefinement {
6173            background_color: Some(colors.editor_foreground.opacity(0.025)),
6174            color: Some(colors.text_accent),
6175            underline: Some(UnderlineStyle {
6176                color: Some(colors.text_accent.opacity(0.5)),
6177                thickness: px(1.),
6178                ..Default::default()
6179            }),
6180            ..Default::default()
6181        },
6182        ..Default::default()
6183    }
6184}
6185
6186fn plan_label_markdown_style(
6187    status: &acp::PlanEntryStatus,
6188    window: &Window,
6189    cx: &App,
6190) -> MarkdownStyle {
6191    let default_md_style = default_markdown_style(false, false, window, cx);
6192
6193    MarkdownStyle {
6194        base_text_style: TextStyle {
6195            color: cx.theme().colors().text_muted,
6196            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
6197                Some(gpui::StrikethroughStyle {
6198                    thickness: px(1.),
6199                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
6200                })
6201            } else {
6202                None
6203            },
6204            ..default_md_style.base_text_style
6205        },
6206        ..default_md_style
6207    }
6208}
6209
6210fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
6211    let default_md_style = default_markdown_style(true, false, window, cx);
6212
6213    MarkdownStyle {
6214        base_text_style: TextStyle {
6215            ..default_md_style.base_text_style
6216        },
6217        selection_background_color: cx.theme().colors().element_selection_background,
6218        ..Default::default()
6219    }
6220}
6221
6222#[cfg(test)]
6223pub(crate) mod tests {
6224    use acp_thread::StubAgentConnection;
6225    use agent_client_protocol::SessionId;
6226    use assistant_text_thread::TextThreadStore;
6227    use editor::MultiBufferOffset;
6228    use fs::FakeFs;
6229    use gpui::{EventEmitter, TestAppContext, VisualTestContext};
6230    use project::Project;
6231    use serde_json::json;
6232    use settings::SettingsStore;
6233    use std::any::Any;
6234    use std::path::Path;
6235    use workspace::Item;
6236
6237    use super::*;
6238
6239    #[gpui::test]
6240    async fn test_drop(cx: &mut TestAppContext) {
6241        init_test(cx);
6242
6243        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6244        let weak_view = thread_view.downgrade();
6245        drop(thread_view);
6246        assert!(!weak_view.is_upgradable());
6247    }
6248
6249    #[gpui::test]
6250    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
6251        init_test(cx);
6252
6253        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6254
6255        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6256        message_editor.update_in(cx, |editor, window, cx| {
6257            editor.set_text("Hello", window, cx);
6258        });
6259
6260        cx.deactivate_window();
6261
6262        thread_view.update_in(cx, |thread_view, window, cx| {
6263            thread_view.send(window, cx);
6264        });
6265
6266        cx.run_until_parked();
6267
6268        assert!(
6269            cx.windows()
6270                .iter()
6271                .any(|window| window.downcast::<AgentNotification>().is_some())
6272        );
6273    }
6274
6275    #[gpui::test]
6276    async fn test_notification_for_error(cx: &mut TestAppContext) {
6277        init_test(cx);
6278
6279        let (thread_view, cx) =
6280            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
6281
6282        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6283        message_editor.update_in(cx, |editor, window, cx| {
6284            editor.set_text("Hello", window, cx);
6285        });
6286
6287        cx.deactivate_window();
6288
6289        thread_view.update_in(cx, |thread_view, window, cx| {
6290            thread_view.send(window, cx);
6291        });
6292
6293        cx.run_until_parked();
6294
6295        assert!(
6296            cx.windows()
6297                .iter()
6298                .any(|window| window.downcast::<AgentNotification>().is_some())
6299        );
6300    }
6301
6302    #[gpui::test]
6303    async fn test_refusal_handling(cx: &mut TestAppContext) {
6304        init_test(cx);
6305
6306        let (thread_view, cx) =
6307            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
6308
6309        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6310        message_editor.update_in(cx, |editor, window, cx| {
6311            editor.set_text("Do something harmful", window, cx);
6312        });
6313
6314        thread_view.update_in(cx, |thread_view, window, cx| {
6315            thread_view.send(window, cx);
6316        });
6317
6318        cx.run_until_parked();
6319
6320        // Check that the refusal error is set
6321        thread_view.read_with(cx, |thread_view, _cx| {
6322            assert!(
6323                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
6324                "Expected refusal error to be set"
6325            );
6326        });
6327    }
6328
6329    #[gpui::test]
6330    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
6331        init_test(cx);
6332
6333        let tool_call_id = acp::ToolCallId::new("1");
6334        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
6335            .kind(acp::ToolKind::Edit)
6336            .content(vec!["hi".into()]);
6337        let connection =
6338            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6339                tool_call_id,
6340                vec![acp::PermissionOption::new(
6341                    "1",
6342                    "Allow",
6343                    acp::PermissionOptionKind::AllowOnce,
6344                )],
6345            )]));
6346
6347        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6348
6349        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6350
6351        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6352        message_editor.update_in(cx, |editor, window, cx| {
6353            editor.set_text("Hello", window, cx);
6354        });
6355
6356        cx.deactivate_window();
6357
6358        thread_view.update_in(cx, |thread_view, window, cx| {
6359            thread_view.send(window, cx);
6360        });
6361
6362        cx.run_until_parked();
6363
6364        assert!(
6365            cx.windows()
6366                .iter()
6367                .any(|window| window.downcast::<AgentNotification>().is_some())
6368        );
6369    }
6370
6371    #[gpui::test]
6372    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
6373        init_test(cx);
6374
6375        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6376
6377        add_to_workspace(thread_view.clone(), cx);
6378
6379        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6380
6381        message_editor.update_in(cx, |editor, window, cx| {
6382            editor.set_text("Hello", window, cx);
6383        });
6384
6385        // Window is active (don't deactivate), but panel will be hidden
6386        // Note: In the test environment, the panel is not actually added to the dock,
6387        // so is_agent_panel_hidden will return true
6388
6389        thread_view.update_in(cx, |thread_view, window, cx| {
6390            thread_view.send(window, cx);
6391        });
6392
6393        cx.run_until_parked();
6394
6395        // Should show notification because window is active but panel is hidden
6396        assert!(
6397            cx.windows()
6398                .iter()
6399                .any(|window| window.downcast::<AgentNotification>().is_some()),
6400            "Expected notification when panel is hidden"
6401        );
6402    }
6403
6404    #[gpui::test]
6405    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
6406        init_test(cx);
6407
6408        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6409
6410        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6411        message_editor.update_in(cx, |editor, window, cx| {
6412            editor.set_text("Hello", window, cx);
6413        });
6414
6415        // Deactivate window - should show notification regardless of setting
6416        cx.deactivate_window();
6417
6418        thread_view.update_in(cx, |thread_view, window, cx| {
6419            thread_view.send(window, cx);
6420        });
6421
6422        cx.run_until_parked();
6423
6424        // Should still show notification when window is inactive (existing behavior)
6425        assert!(
6426            cx.windows()
6427                .iter()
6428                .any(|window| window.downcast::<AgentNotification>().is_some()),
6429            "Expected notification when window is inactive"
6430        );
6431    }
6432
6433    #[gpui::test]
6434    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
6435        init_test(cx);
6436
6437        // Set notify_when_agent_waiting to Never
6438        cx.update(|cx| {
6439            AgentSettings::override_global(
6440                AgentSettings {
6441                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6442                    ..AgentSettings::get_global(cx).clone()
6443                },
6444                cx,
6445            );
6446        });
6447
6448        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6449
6450        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6451        message_editor.update_in(cx, |editor, window, cx| {
6452            editor.set_text("Hello", window, cx);
6453        });
6454
6455        // Window is active
6456
6457        thread_view.update_in(cx, |thread_view, window, cx| {
6458            thread_view.send(window, cx);
6459        });
6460
6461        cx.run_until_parked();
6462
6463        // Should NOT show notification because notify_when_agent_waiting is Never
6464        assert!(
6465            !cx.windows()
6466                .iter()
6467                .any(|window| window.downcast::<AgentNotification>().is_some()),
6468            "Expected no notification when notify_when_agent_waiting is Never"
6469        );
6470    }
6471
6472    async fn setup_thread_view(
6473        agent: impl AgentServer + 'static,
6474        cx: &mut TestAppContext,
6475    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
6476        let fs = FakeFs::new(cx.executor());
6477        let project = Project::test(fs, [], cx).await;
6478        let (workspace, cx) =
6479            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6480
6481        let text_thread_store =
6482            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6483        let history_store =
6484            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6485
6486        let thread_view = cx.update(|window, cx| {
6487            cx.new(|cx| {
6488                AcpThreadView::new(
6489                    Rc::new(agent),
6490                    None,
6491                    None,
6492                    workspace.downgrade(),
6493                    project,
6494                    history_store,
6495                    None,
6496                    false,
6497                    window,
6498                    cx,
6499                )
6500            })
6501        });
6502        cx.run_until_parked();
6503        (thread_view, cx)
6504    }
6505
6506    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6507        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6508
6509        workspace
6510            .update_in(cx, |workspace, window, cx| {
6511                workspace.add_item_to_active_pane(
6512                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6513                    None,
6514                    true,
6515                    window,
6516                    cx,
6517                );
6518            })
6519            .unwrap();
6520    }
6521
6522    struct ThreadViewItem(Entity<AcpThreadView>);
6523
6524    impl Item for ThreadViewItem {
6525        type Event = ();
6526
6527        fn include_in_nav_history() -> bool {
6528            false
6529        }
6530
6531        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6532            "Test".into()
6533        }
6534    }
6535
6536    impl EventEmitter<()> for ThreadViewItem {}
6537
6538    impl Focusable for ThreadViewItem {
6539        fn focus_handle(&self, cx: &App) -> FocusHandle {
6540            self.0.read(cx).focus_handle(cx)
6541        }
6542    }
6543
6544    impl Render for ThreadViewItem {
6545        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6546            self.0.clone().into_any_element()
6547        }
6548    }
6549
6550    struct StubAgentServer<C> {
6551        connection: C,
6552    }
6553
6554    impl<C> StubAgentServer<C> {
6555        fn new(connection: C) -> Self {
6556            Self { connection }
6557        }
6558    }
6559
6560    impl StubAgentServer<StubAgentConnection> {
6561        fn default_response() -> Self {
6562            let conn = StubAgentConnection::new();
6563            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6564                acp::ContentChunk::new("Default response".into()),
6565            )]);
6566            Self::new(conn)
6567        }
6568    }
6569
6570    impl<C> AgentServer for StubAgentServer<C>
6571    where
6572        C: 'static + AgentConnection + Send + Clone,
6573    {
6574        fn logo(&self) -> ui::IconName {
6575            ui::IconName::Ai
6576        }
6577
6578        fn name(&self) -> SharedString {
6579            "Test".into()
6580        }
6581
6582        fn connect(
6583            &self,
6584            _root_dir: Option<&Path>,
6585            _delegate: AgentServerDelegate,
6586            _cx: &mut App,
6587        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6588            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6589        }
6590
6591        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6592            self
6593        }
6594    }
6595
6596    #[derive(Clone)]
6597    struct SaboteurAgentConnection;
6598
6599    impl AgentConnection for SaboteurAgentConnection {
6600        fn telemetry_id(&self) -> SharedString {
6601            "saboteur".into()
6602        }
6603
6604        fn new_thread(
6605            self: Rc<Self>,
6606            project: Entity<Project>,
6607            _cwd: &Path,
6608            cx: &mut gpui::App,
6609        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6610            Task::ready(Ok(cx.new(|cx| {
6611                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6612                AcpThread::new(
6613                    "SaboteurAgentConnection",
6614                    self,
6615                    project,
6616                    action_log,
6617                    SessionId::new("test"),
6618                    watch::Receiver::constant(
6619                        acp::PromptCapabilities::new()
6620                            .image(true)
6621                            .audio(true)
6622                            .embedded_context(true),
6623                    ),
6624                    cx,
6625                )
6626            })))
6627        }
6628
6629        fn auth_methods(&self) -> &[acp::AuthMethod] {
6630            &[]
6631        }
6632
6633        fn authenticate(
6634            &self,
6635            _method_id: acp::AuthMethodId,
6636            _cx: &mut App,
6637        ) -> Task<gpui::Result<()>> {
6638            unimplemented!()
6639        }
6640
6641        fn prompt(
6642            &self,
6643            _id: Option<acp_thread::UserMessageId>,
6644            _params: acp::PromptRequest,
6645            _cx: &mut App,
6646        ) -> Task<gpui::Result<acp::PromptResponse>> {
6647            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6648        }
6649
6650        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6651            unimplemented!()
6652        }
6653
6654        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6655            self
6656        }
6657    }
6658
6659    /// Simulates a model which always returns a refusal response
6660    #[derive(Clone)]
6661    struct RefusalAgentConnection;
6662
6663    impl AgentConnection for RefusalAgentConnection {
6664        fn telemetry_id(&self) -> SharedString {
6665            "refusal".into()
6666        }
6667
6668        fn new_thread(
6669            self: Rc<Self>,
6670            project: Entity<Project>,
6671            _cwd: &Path,
6672            cx: &mut gpui::App,
6673        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6674            Task::ready(Ok(cx.new(|cx| {
6675                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6676                AcpThread::new(
6677                    "RefusalAgentConnection",
6678                    self,
6679                    project,
6680                    action_log,
6681                    SessionId::new("test"),
6682                    watch::Receiver::constant(
6683                        acp::PromptCapabilities::new()
6684                            .image(true)
6685                            .audio(true)
6686                            .embedded_context(true),
6687                    ),
6688                    cx,
6689                )
6690            })))
6691        }
6692
6693        fn auth_methods(&self) -> &[acp::AuthMethod] {
6694            &[]
6695        }
6696
6697        fn authenticate(
6698            &self,
6699            _method_id: acp::AuthMethodId,
6700            _cx: &mut App,
6701        ) -> Task<gpui::Result<()>> {
6702            unimplemented!()
6703        }
6704
6705        fn prompt(
6706            &self,
6707            _id: Option<acp_thread::UserMessageId>,
6708            _params: acp::PromptRequest,
6709            _cx: &mut App,
6710        ) -> Task<gpui::Result<acp::PromptResponse>> {
6711            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
6712        }
6713
6714        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6715            unimplemented!()
6716        }
6717
6718        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6719            self
6720        }
6721    }
6722
6723    pub(crate) fn init_test(cx: &mut TestAppContext) {
6724        cx.update(|cx| {
6725            let settings_store = SettingsStore::test(cx);
6726            cx.set_global(settings_store);
6727            theme::init(theme::LoadThemes::JustBase, cx);
6728            release_channel::init(semver::Version::new(0, 0, 0), cx);
6729            prompt_store::init(cx)
6730        });
6731    }
6732
6733    #[gpui::test]
6734    async fn test_rewind_views(cx: &mut TestAppContext) {
6735        init_test(cx);
6736
6737        let fs = FakeFs::new(cx.executor());
6738        fs.insert_tree(
6739            "/project",
6740            json!({
6741                "test1.txt": "old content 1",
6742                "test2.txt": "old content 2"
6743            }),
6744        )
6745        .await;
6746        let project = Project::test(fs, [Path::new("/project")], cx).await;
6747        let (workspace, cx) =
6748            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6749
6750        let text_thread_store =
6751            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6752        let history_store =
6753            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6754
6755        let connection = Rc::new(StubAgentConnection::new());
6756        let thread_view = cx.update(|window, cx| {
6757            cx.new(|cx| {
6758                AcpThreadView::new(
6759                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6760                    None,
6761                    None,
6762                    workspace.downgrade(),
6763                    project.clone(),
6764                    history_store.clone(),
6765                    None,
6766                    false,
6767                    window,
6768                    cx,
6769                )
6770            })
6771        });
6772
6773        cx.run_until_parked();
6774
6775        let thread = thread_view
6776            .read_with(cx, |view, _| view.thread().cloned())
6777            .unwrap();
6778
6779        // First user message
6780        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
6781            acp::ToolCall::new("tool1", "Edit file 1")
6782                .kind(acp::ToolKind::Edit)
6783                .status(acp::ToolCallStatus::Completed)
6784                .content(vec![acp::ToolCallContent::Diff(
6785                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
6786                )]),
6787        )]);
6788
6789        thread
6790            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6791            .await
6792            .unwrap();
6793        cx.run_until_parked();
6794
6795        thread.read_with(cx, |thread, _| {
6796            assert_eq!(thread.entries().len(), 2);
6797        });
6798
6799        thread_view.read_with(cx, |view, cx| {
6800            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6801                assert!(
6802                    entry_view_state
6803                        .entry(0)
6804                        .unwrap()
6805                        .message_editor()
6806                        .is_some()
6807                );
6808                assert!(entry_view_state.entry(1).unwrap().has_content());
6809            });
6810        });
6811
6812        // Second user message
6813        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
6814            acp::ToolCall::new("tool2", "Edit file 2")
6815                .kind(acp::ToolKind::Edit)
6816                .status(acp::ToolCallStatus::Completed)
6817                .content(vec![acp::ToolCallContent::Diff(
6818                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
6819                )]),
6820        )]);
6821
6822        thread
6823            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6824            .await
6825            .unwrap();
6826        cx.run_until_parked();
6827
6828        let second_user_message_id = thread.read_with(cx, |thread, _| {
6829            assert_eq!(thread.entries().len(), 4);
6830            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6831                panic!();
6832            };
6833            user_message.id.clone().unwrap()
6834        });
6835
6836        thread_view.read_with(cx, |view, cx| {
6837            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6838                assert!(
6839                    entry_view_state
6840                        .entry(0)
6841                        .unwrap()
6842                        .message_editor()
6843                        .is_some()
6844                );
6845                assert!(entry_view_state.entry(1).unwrap().has_content());
6846                assert!(
6847                    entry_view_state
6848                        .entry(2)
6849                        .unwrap()
6850                        .message_editor()
6851                        .is_some()
6852                );
6853                assert!(entry_view_state.entry(3).unwrap().has_content());
6854            });
6855        });
6856
6857        // Rewind to first message
6858        thread
6859            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6860            .await
6861            .unwrap();
6862
6863        cx.run_until_parked();
6864
6865        thread.read_with(cx, |thread, _| {
6866            assert_eq!(thread.entries().len(), 2);
6867        });
6868
6869        thread_view.read_with(cx, |view, cx| {
6870            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6871                assert!(
6872                    entry_view_state
6873                        .entry(0)
6874                        .unwrap()
6875                        .message_editor()
6876                        .is_some()
6877                );
6878                assert!(entry_view_state.entry(1).unwrap().has_content());
6879
6880                // Old views should be dropped
6881                assert!(entry_view_state.entry(2).is_none());
6882                assert!(entry_view_state.entry(3).is_none());
6883            });
6884        });
6885    }
6886
6887    #[gpui::test]
6888    async fn test_scroll_to_most_recent_user_prompt(cx: &mut TestAppContext) {
6889        init_test(cx);
6890
6891        let connection = StubAgentConnection::new();
6892
6893        // Each user prompt will result in a user message entry plus an agent message entry.
6894        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6895            acp::ContentChunk::new("Response 1".into()),
6896        )]);
6897
6898        let (thread_view, cx) =
6899            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6900
6901        let thread = thread_view
6902            .read_with(cx, |view, _| view.thread().cloned())
6903            .unwrap();
6904
6905        thread
6906            .update(cx, |thread, cx| thread.send_raw("Prompt 1", cx))
6907            .await
6908            .unwrap();
6909        cx.run_until_parked();
6910
6911        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6912            acp::ContentChunk::new("Response 2".into()),
6913        )]);
6914
6915        thread
6916            .update(cx, |thread, cx| thread.send_raw("Prompt 2", cx))
6917            .await
6918            .unwrap();
6919        cx.run_until_parked();
6920
6921        // Move somewhere else first so we're not trivially already on the last user prompt.
6922        thread_view.update(cx, |view, cx| {
6923            view.scroll_to_top(cx);
6924        });
6925        cx.run_until_parked();
6926
6927        thread_view.update(cx, |view, cx| {
6928            view.scroll_to_most_recent_user_prompt(cx);
6929            let scroll_top = view.list_state.logical_scroll_top();
6930            // Entries layout is: [User1, Assistant1, User2, Assistant2]
6931            assert_eq!(scroll_top.item_ix, 2);
6932        });
6933    }
6934
6935    #[gpui::test]
6936    async fn test_scroll_to_most_recent_user_prompt_falls_back_to_bottom_without_user_messages(
6937        cx: &mut TestAppContext,
6938    ) {
6939        init_test(cx);
6940
6941        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6942
6943        // With no entries, scrolling should be a no-op and must not panic.
6944        thread_view.update(cx, |view, cx| {
6945            view.scroll_to_most_recent_user_prompt(cx);
6946            let scroll_top = view.list_state.logical_scroll_top();
6947            assert_eq!(scroll_top.item_ix, 0);
6948        });
6949    }
6950
6951    #[gpui::test]
6952    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6953        init_test(cx);
6954
6955        let connection = StubAgentConnection::new();
6956
6957        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6958            acp::ContentChunk::new("Response".into()),
6959        )]);
6960
6961        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6962        add_to_workspace(thread_view.clone(), cx);
6963
6964        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6965        message_editor.update_in(cx, |editor, window, cx| {
6966            editor.set_text("Original message to edit", window, cx);
6967        });
6968        thread_view.update_in(cx, |thread_view, window, cx| {
6969            thread_view.send(window, cx);
6970        });
6971
6972        cx.run_until_parked();
6973
6974        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6975            assert_eq!(view.editing_message, None);
6976
6977            view.entry_view_state
6978                .read(cx)
6979                .entry(0)
6980                .unwrap()
6981                .message_editor()
6982                .unwrap()
6983                .clone()
6984        });
6985
6986        // Focus
6987        cx.focus(&user_message_editor);
6988        thread_view.read_with(cx, |view, _cx| {
6989            assert_eq!(view.editing_message, Some(0));
6990        });
6991
6992        // Edit
6993        user_message_editor.update_in(cx, |editor, window, cx| {
6994            editor.set_text("Edited message content", window, cx);
6995        });
6996
6997        // Cancel
6998        user_message_editor.update_in(cx, |_editor, window, cx| {
6999            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
7000        });
7001
7002        thread_view.read_with(cx, |view, _cx| {
7003            assert_eq!(view.editing_message, None);
7004        });
7005
7006        user_message_editor.read_with(cx, |editor, cx| {
7007            assert_eq!(editor.text(cx), "Original message to edit");
7008        });
7009    }
7010
7011    #[gpui::test]
7012    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
7013        init_test(cx);
7014
7015        let connection = StubAgentConnection::new();
7016
7017        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7018        add_to_workspace(thread_view.clone(), cx);
7019
7020        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7021        let mut events = cx.events(&message_editor);
7022        message_editor.update_in(cx, |editor, window, cx| {
7023            editor.set_text("", window, cx);
7024        });
7025
7026        message_editor.update_in(cx, |_editor, window, cx| {
7027            window.dispatch_action(Box::new(Chat), cx);
7028        });
7029        cx.run_until_parked();
7030        // We shouldn't have received any messages
7031        assert!(matches!(
7032            events.try_next(),
7033            Err(futures::channel::mpsc::TryRecvError { .. })
7034        ));
7035    }
7036
7037    #[gpui::test]
7038    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
7039        init_test(cx);
7040
7041        let connection = StubAgentConnection::new();
7042
7043        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7044            acp::ContentChunk::new("Response".into()),
7045        )]);
7046
7047        let (thread_view, cx) =
7048            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7049        add_to_workspace(thread_view.clone(), cx);
7050
7051        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7052        message_editor.update_in(cx, |editor, window, cx| {
7053            editor.set_text("Original message to edit", window, cx);
7054        });
7055        thread_view.update_in(cx, |thread_view, window, cx| {
7056            thread_view.send(window, cx);
7057        });
7058
7059        cx.run_until_parked();
7060
7061        let user_message_editor = thread_view.read_with(cx, |view, cx| {
7062            assert_eq!(view.editing_message, None);
7063            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
7064
7065            view.entry_view_state
7066                .read(cx)
7067                .entry(0)
7068                .unwrap()
7069                .message_editor()
7070                .unwrap()
7071                .clone()
7072        });
7073
7074        // Focus
7075        cx.focus(&user_message_editor);
7076
7077        // Edit
7078        user_message_editor.update_in(cx, |editor, window, cx| {
7079            editor.set_text("Edited message content", window, cx);
7080        });
7081
7082        // Send
7083        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7084            acp::ContentChunk::new("New Response".into()),
7085        )]);
7086
7087        user_message_editor.update_in(cx, |_editor, window, cx| {
7088            window.dispatch_action(Box::new(Chat), cx);
7089        });
7090
7091        cx.run_until_parked();
7092
7093        thread_view.read_with(cx, |view, cx| {
7094            assert_eq!(view.editing_message, None);
7095
7096            let entries = view.thread().unwrap().read(cx).entries();
7097            assert_eq!(entries.len(), 2);
7098            assert_eq!(
7099                entries[0].to_markdown(cx),
7100                "## User\n\nEdited message content\n\n"
7101            );
7102            assert_eq!(
7103                entries[1].to_markdown(cx),
7104                "## Assistant\n\nNew Response\n\n"
7105            );
7106
7107            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
7108                assert!(!state.entry(1).unwrap().has_content());
7109                state.entry(0).unwrap().message_editor().unwrap().clone()
7110            });
7111
7112            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
7113        })
7114    }
7115
7116    #[gpui::test]
7117    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
7118        init_test(cx);
7119
7120        let connection = StubAgentConnection::new();
7121
7122        let (thread_view, cx) =
7123            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7124        add_to_workspace(thread_view.clone(), cx);
7125
7126        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7127        message_editor.update_in(cx, |editor, window, cx| {
7128            editor.set_text("Original message to edit", window, cx);
7129        });
7130        thread_view.update_in(cx, |thread_view, window, cx| {
7131            thread_view.send(window, cx);
7132        });
7133
7134        cx.run_until_parked();
7135
7136        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
7137            let thread = view.thread().unwrap().read(cx);
7138            assert_eq!(thread.entries().len(), 1);
7139
7140            let editor = view
7141                .entry_view_state
7142                .read(cx)
7143                .entry(0)
7144                .unwrap()
7145                .message_editor()
7146                .unwrap()
7147                .clone();
7148
7149            (editor, thread.session_id().clone())
7150        });
7151
7152        // Focus
7153        cx.focus(&user_message_editor);
7154
7155        thread_view.read_with(cx, |view, _cx| {
7156            assert_eq!(view.editing_message, Some(0));
7157        });
7158
7159        // Edit
7160        user_message_editor.update_in(cx, |editor, window, cx| {
7161            editor.set_text("Edited message content", window, cx);
7162        });
7163
7164        thread_view.read_with(cx, |view, _cx| {
7165            assert_eq!(view.editing_message, Some(0));
7166        });
7167
7168        // Finish streaming response
7169        cx.update(|_, cx| {
7170            connection.send_update(
7171                session_id.clone(),
7172                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
7173                cx,
7174            );
7175            connection.end_turn(session_id, acp::StopReason::EndTurn);
7176        });
7177
7178        thread_view.read_with(cx, |view, _cx| {
7179            assert_eq!(view.editing_message, Some(0));
7180        });
7181
7182        cx.run_until_parked();
7183
7184        // Should still be editing
7185        cx.update(|window, cx| {
7186            assert!(user_message_editor.focus_handle(cx).is_focused(window));
7187            assert_eq!(thread_view.read(cx).editing_message, Some(0));
7188            assert_eq!(
7189                user_message_editor.read(cx).text(cx),
7190                "Edited message content"
7191            );
7192        });
7193    }
7194
7195    #[gpui::test]
7196    async fn test_interrupt(cx: &mut TestAppContext) {
7197        init_test(cx);
7198
7199        let connection = StubAgentConnection::new();
7200
7201        let (thread_view, cx) =
7202            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7203        add_to_workspace(thread_view.clone(), cx);
7204
7205        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7206        message_editor.update_in(cx, |editor, window, cx| {
7207            editor.set_text("Message 1", window, cx);
7208        });
7209        thread_view.update_in(cx, |thread_view, window, cx| {
7210            thread_view.send(window, cx);
7211        });
7212
7213        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
7214            let thread = view.thread().unwrap();
7215
7216            (thread.clone(), thread.read(cx).session_id().clone())
7217        });
7218
7219        cx.run_until_parked();
7220
7221        cx.update(|_, cx| {
7222            connection.send_update(
7223                session_id.clone(),
7224                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7225                    "Message 1 resp".into(),
7226                )),
7227                cx,
7228            );
7229        });
7230
7231        cx.run_until_parked();
7232
7233        thread.read_with(cx, |thread, cx| {
7234            assert_eq!(
7235                thread.to_markdown(cx),
7236                indoc::indoc! {"
7237                    ## User
7238
7239                    Message 1
7240
7241                    ## Assistant
7242
7243                    Message 1 resp
7244
7245                "}
7246            )
7247        });
7248
7249        message_editor.update_in(cx, |editor, window, cx| {
7250            editor.set_text("Message 2", window, cx);
7251        });
7252        thread_view.update_in(cx, |thread_view, window, cx| {
7253            thread_view.send(window, cx);
7254        });
7255
7256        cx.update(|_, cx| {
7257            // Simulate a response sent after beginning to cancel
7258            connection.send_update(
7259                session_id.clone(),
7260                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
7261                cx,
7262            );
7263        });
7264
7265        cx.run_until_parked();
7266
7267        // Last Message 1 response should appear before Message 2
7268        thread.read_with(cx, |thread, cx| {
7269            assert_eq!(
7270                thread.to_markdown(cx),
7271                indoc::indoc! {"
7272                    ## User
7273
7274                    Message 1
7275
7276                    ## Assistant
7277
7278                    Message 1 response
7279
7280                    ## User
7281
7282                    Message 2
7283
7284                "}
7285            )
7286        });
7287
7288        cx.update(|_, cx| {
7289            connection.send_update(
7290                session_id.clone(),
7291                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7292                    "Message 2 response".into(),
7293                )),
7294                cx,
7295            );
7296            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
7297        });
7298
7299        cx.run_until_parked();
7300
7301        thread.read_with(cx, |thread, cx| {
7302            assert_eq!(
7303                thread.to_markdown(cx),
7304                indoc::indoc! {"
7305                    ## User
7306
7307                    Message 1
7308
7309                    ## Assistant
7310
7311                    Message 1 response
7312
7313                    ## User
7314
7315                    Message 2
7316
7317                    ## Assistant
7318
7319                    Message 2 response
7320
7321                "}
7322            )
7323        });
7324    }
7325
7326    #[gpui::test]
7327    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
7328        init_test(cx);
7329
7330        let connection = StubAgentConnection::new();
7331        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7332            acp::ContentChunk::new("Response".into()),
7333        )]);
7334
7335        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7336        add_to_workspace(thread_view.clone(), cx);
7337
7338        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7339        message_editor.update_in(cx, |editor, window, cx| {
7340            editor.set_text("Original message to edit", window, cx)
7341        });
7342        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
7343        cx.run_until_parked();
7344
7345        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
7346            thread_view
7347                .entry_view_state
7348                .read(cx)
7349                .entry(0)
7350                .expect("Should have at least one entry")
7351                .message_editor()
7352                .expect("Should have message editor")
7353                .clone()
7354        });
7355
7356        cx.focus(&user_message_editor);
7357        thread_view.read_with(cx, |thread_view, _cx| {
7358            assert_eq!(thread_view.editing_message, Some(0));
7359        });
7360
7361        // Ensure to edit the focused message before proceeding otherwise, since
7362        // its content is not different from what was sent, focus will be lost.
7363        user_message_editor.update_in(cx, |editor, window, cx| {
7364            editor.set_text("Original message to edit with ", window, cx)
7365        });
7366
7367        // Create a simple buffer with some text so we can create a selection
7368        // that will then be added to the message being edited.
7369        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7370            (thread_view.workspace.clone(), thread_view.project.clone())
7371        });
7372        let buffer = project.update(cx, |project, cx| {
7373            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7374        });
7375
7376        workspace
7377            .update_in(cx, |workspace, window, cx| {
7378                let editor = cx.new(|cx| {
7379                    let mut editor =
7380                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7381
7382                    editor.change_selections(Default::default(), window, cx, |selections| {
7383                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7384                    });
7385
7386                    editor
7387                });
7388                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7389            })
7390            .unwrap();
7391
7392        thread_view.update_in(cx, |thread_view, window, cx| {
7393            assert_eq!(thread_view.editing_message, Some(0));
7394            thread_view.insert_selections(window, cx);
7395        });
7396
7397        user_message_editor.read_with(cx, |editor, cx| {
7398            let text = editor.editor().read(cx).text(cx);
7399            let expected_text = String::from("Original message to edit with selection ");
7400
7401            assert_eq!(text, expected_text);
7402        });
7403    }
7404
7405    #[gpui::test]
7406    async fn test_insert_selections(cx: &mut TestAppContext) {
7407        init_test(cx);
7408
7409        let connection = StubAgentConnection::new();
7410        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7411            acp::ContentChunk::new("Response".into()),
7412        )]);
7413
7414        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7415        add_to_workspace(thread_view.clone(), cx);
7416
7417        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7418        message_editor.update_in(cx, |editor, window, cx| {
7419            editor.set_text("Can you review this snippet ", window, cx)
7420        });
7421
7422        // Create a simple buffer with some text so we can create a selection
7423        // that will then be added to the message being edited.
7424        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7425            (thread_view.workspace.clone(), thread_view.project.clone())
7426        });
7427        let buffer = project.update(cx, |project, cx| {
7428            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7429        });
7430
7431        workspace
7432            .update_in(cx, |workspace, window, cx| {
7433                let editor = cx.new(|cx| {
7434                    let mut editor =
7435                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7436
7437                    editor.change_selections(Default::default(), window, cx, |selections| {
7438                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7439                    });
7440
7441                    editor
7442                });
7443                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7444            })
7445            .unwrap();
7446
7447        thread_view.update_in(cx, |thread_view, window, cx| {
7448            assert_eq!(thread_view.editing_message, None);
7449            thread_view.insert_selections(window, cx);
7450        });
7451
7452        thread_view.read_with(cx, |thread_view, cx| {
7453            let text = thread_view.message_editor.read(cx).text(cx);
7454            let expected_txt = String::from("Can you review this snippet selection ");
7455
7456            assert_eq!(text, expected_txt);
7457        })
7458    }
7459}