thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent_client_protocol::{self as acp, PromptCapabilities};
   9use agent_servers::{AgentServer, AgentServerDelegate};
  10use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
  11use agent2::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
  12use anyhow::{Context as _, Result, anyhow, bail};
  13use arrayvec::ArrayVec;
  14use audio::{Audio, Sound};
  15use buffer_diff::BufferDiff;
  16use client::zed_urls;
  17use collections::{HashMap, HashSet};
  18use editor::scroll::Autoscroll;
  19use editor::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  20use file_icons::FileIcons;
  21use fs::Fs;
  22use futures::FutureExt as _;
  23use gpui::{
  24    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  25    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  26    ListOffset, ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement,
  27    Subscription, Task, TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window,
  28    WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, point, prelude::*,
  29    pulsating_between,
  30};
  31use language::Buffer;
  32
  33use language_model::LanguageModelRegistry;
  34use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  35use project::{Project, ProjectEntryId};
  36use prompt_store::{PromptId, PromptStore};
  37use rope::Point;
  38use settings::{Settings as _, SettingsStore};
  39use std::cell::{Cell, RefCell};
  40use std::path::Path;
  41use std::sync::Arc;
  42use std::time::Instant;
  43use std::{collections::BTreeMap, rc::Rc, time::Duration};
  44use terminal_view::terminal_panel::TerminalPanel;
  45use text::Anchor;
  46use theme::{AgentFontSize, ThemeSettings};
  47use ui::{
  48    Callout, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  49    PopoverMenuHandle, Scrollbar, ScrollbarState, SpinnerLabel, TintColor, Tooltip, prelude::*,
  50};
  51use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  52use workspace::{CollaboratorId, Workspace};
  53use zed_actions::agent::{Chat, ToggleModelSelector};
  54use zed_actions::assistant::OpenRulesLibrary;
  55
  56use super::entry_view_state::EntryViewState;
  57use crate::acp::AcpModelSelectorPopover;
  58use crate::acp::ModeSelector;
  59use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  60use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  61use crate::agent_diff::AgentDiff;
  62use crate::profile_selector::{ProfileProvider, ProfileSelector};
  63
  64use crate::ui::preview::UsageCallout;
  65use crate::ui::{
  66    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  67};
  68use crate::{
  69    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
  70    CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, OpenAgentDiff, OpenHistory, RejectAll,
  71    RejectOnce, ToggleBurnMode, ToggleProfileSelector,
  72};
  73
  74pub const MIN_EDITOR_LINES: usize = 4;
  75pub const MAX_EDITOR_LINES: usize = 8;
  76
  77#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  78enum ThreadFeedback {
  79    Positive,
  80    Negative,
  81}
  82
  83#[derive(Debug)]
  84enum ThreadError {
  85    PaymentRequired,
  86    ModelRequestLimitReached(cloud_llm_client::Plan),
  87    ToolUseLimitReached,
  88    Refusal,
  89    AuthenticationRequired(SharedString),
  90    Other(SharedString),
  91}
  92
  93impl ThreadError {
  94    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  95        if error.is::<language_model::PaymentRequiredError>() {
  96            Self::PaymentRequired
  97        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  98            Self::ToolUseLimitReached
  99        } else if let Some(error) =
 100            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
 101        {
 102            Self::ModelRequestLimitReached(error.plan)
 103        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 104            && acp_error.code == acp::ErrorCode::AUTH_REQUIRED.code
 105        {
 106            Self::AuthenticationRequired(acp_error.message.clone().into())
 107        } else {
 108            let string = error.to_string();
 109            // TODO: we should have Gemini return better errors here.
 110            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 111                && string.contains("Could not load the default credentials")
 112                || string.contains("API key not valid")
 113                || string.contains("Request had invalid authentication credentials")
 114            {
 115                Self::AuthenticationRequired(string.into())
 116            } else {
 117                Self::Other(error.to_string().into())
 118            }
 119        }
 120    }
 121}
 122
 123impl ProfileProvider for Entity<agent2::Thread> {
 124    fn profile_id(&self, cx: &App) -> AgentProfileId {
 125        self.read(cx).profile().clone()
 126    }
 127
 128    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 129        self.update(cx, |thread, _cx| {
 130            thread.set_profile(profile_id);
 131        });
 132    }
 133
 134    fn profiles_supported(&self, cx: &App) -> bool {
 135        self.read(cx)
 136            .model()
 137            .is_some_and(|model| model.supports_tools())
 138    }
 139}
 140
 141#[derive(Default)]
 142struct ThreadFeedbackState {
 143    feedback: Option<ThreadFeedback>,
 144    comments_editor: Option<Entity<Editor>>,
 145}
 146
 147impl ThreadFeedbackState {
 148    pub fn submit(
 149        &mut self,
 150        thread: Entity<AcpThread>,
 151        feedback: ThreadFeedback,
 152        window: &mut Window,
 153        cx: &mut App,
 154    ) {
 155        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 156            return;
 157        };
 158
 159        if self.feedback == Some(feedback) {
 160            return;
 161        }
 162
 163        self.feedback = Some(feedback);
 164        match feedback {
 165            ThreadFeedback::Positive => {
 166                self.comments_editor = None;
 167            }
 168            ThreadFeedback::Negative => {
 169                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 170            }
 171        }
 172        let session_id = thread.read(cx).session_id().clone();
 173        let agent_name = telemetry.agent_name();
 174        let task = telemetry.thread_data(&session_id, cx);
 175        let rating = match feedback {
 176            ThreadFeedback::Positive => "positive",
 177            ThreadFeedback::Negative => "negative",
 178        };
 179        cx.background_spawn(async move {
 180            let thread = task.await?;
 181            telemetry::event!(
 182                "Agent Thread Rated",
 183                session_id = session_id,
 184                rating = rating,
 185                agent = agent_name,
 186                thread = thread
 187            );
 188            anyhow::Ok(())
 189        })
 190        .detach_and_log_err(cx);
 191    }
 192
 193    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 194        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 195            return;
 196        };
 197
 198        let Some(comments) = self
 199            .comments_editor
 200            .as_ref()
 201            .map(|editor| editor.read(cx).text(cx))
 202            .filter(|text| !text.trim().is_empty())
 203        else {
 204            return;
 205        };
 206
 207        self.comments_editor.take();
 208
 209        let session_id = thread.read(cx).session_id().clone();
 210        let agent_name = telemetry.agent_name();
 211        let task = telemetry.thread_data(&session_id, cx);
 212        cx.background_spawn(async move {
 213            let thread = task.await?;
 214            telemetry::event!(
 215                "Agent Thread Feedback Comments",
 216                session_id = session_id,
 217                comments = comments,
 218                agent = agent_name,
 219                thread = thread
 220            );
 221            anyhow::Ok(())
 222        })
 223        .detach_and_log_err(cx);
 224    }
 225
 226    pub fn clear(&mut self) {
 227        *self = Self::default()
 228    }
 229
 230    pub fn dismiss_comments(&mut self) {
 231        self.comments_editor.take();
 232    }
 233
 234    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 235        let buffer = cx.new(|cx| {
 236            let empty_string = String::new();
 237            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 238        });
 239
 240        let editor = cx.new(|cx| {
 241            let mut editor = Editor::new(
 242                editor::EditorMode::AutoHeight {
 243                    min_lines: 1,
 244                    max_lines: Some(4),
 245                },
 246                buffer,
 247                None,
 248                window,
 249                cx,
 250            );
 251            editor.set_placeholder_text(
 252                "What went wrong? Share your feedback so we can improve.",
 253                cx,
 254            );
 255            editor
 256        });
 257
 258        editor.read(cx).focus_handle(cx).focus(window);
 259        editor
 260    }
 261}
 262
 263pub struct AcpThreadView {
 264    agent: Rc<dyn AgentServer>,
 265    workspace: WeakEntity<Workspace>,
 266    project: Entity<Project>,
 267    thread_state: ThreadState,
 268    login: Option<task::SpawnInTerminal>,
 269    history_store: Entity<HistoryStore>,
 270    hovered_recent_history_item: Option<usize>,
 271    entry_view_state: Entity<EntryViewState>,
 272    message_editor: Entity<MessageEditor>,
 273    focus_handle: FocusHandle,
 274    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 275    profile_selector: Option<Entity<ProfileSelector>>,
 276    notifications: Vec<WindowHandle<AgentNotification>>,
 277    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 278    thread_retry_status: Option<RetryStatus>,
 279    thread_error: Option<ThreadError>,
 280    thread_feedback: ThreadFeedbackState,
 281    list_state: ListState,
 282    scrollbar_state: ScrollbarState,
 283    auth_task: Option<Task<()>>,
 284    expanded_tool_calls: HashSet<acp::ToolCallId>,
 285    expanded_thinking_blocks: HashSet<(usize, usize)>,
 286    edits_expanded: bool,
 287    plan_expanded: bool,
 288    editor_expanded: bool,
 289    should_be_following: bool,
 290    editing_message: Option<usize>,
 291    prompt_capabilities: Rc<Cell<PromptCapabilities>>,
 292    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 293    is_loading_contents: bool,
 294    new_server_version_available: Option<SharedString>,
 295    _cancel_task: Option<Task<()>>,
 296    _subscriptions: [Subscription; 4],
 297}
 298
 299enum ThreadState {
 300    Loading(Entity<LoadingView>),
 301    Ready {
 302        thread: Entity<AcpThread>,
 303        title_editor: Option<Entity<Editor>>,
 304        mode_selector: Option<Entity<ModeSelector>>,
 305        _subscriptions: Vec<Subscription>,
 306    },
 307    LoadError(LoadError),
 308    Unauthenticated {
 309        connection: Rc<dyn AgentConnection>,
 310        description: Option<Entity<Markdown>>,
 311        configuration_view: Option<AnyView>,
 312        pending_auth_method: Option<acp::AuthMethodId>,
 313        _subscription: Option<Subscription>,
 314    },
 315}
 316
 317struct LoadingView {
 318    title: SharedString,
 319    _load_task: Task<()>,
 320    _update_title_task: Task<anyhow::Result<()>>,
 321}
 322
 323impl AcpThreadView {
 324    pub fn new(
 325        agent: Rc<dyn AgentServer>,
 326        resume_thread: Option<DbThreadMetadata>,
 327        summarize_thread: Option<DbThreadMetadata>,
 328        workspace: WeakEntity<Workspace>,
 329        project: Entity<Project>,
 330        history_store: Entity<HistoryStore>,
 331        prompt_store: Option<Entity<PromptStore>>,
 332        window: &mut Window,
 333        cx: &mut Context<Self>,
 334    ) -> Self {
 335        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
 336        let available_commands = Rc::new(RefCell::new(vec![]));
 337
 338        let placeholder = if agent.name() == "Zed Agent" {
 339            format!("Message the {} — @ to include context", agent.name())
 340        } else if agent.name() == "Claude Code" || !available_commands.borrow().is_empty() {
 341            format!(
 342                "Message {} — @ to include context, / for commands",
 343                agent.name()
 344            )
 345        } else {
 346            format!("Message {} — @ to include context", agent.name())
 347        };
 348
 349        let message_editor = cx.new(|cx| {
 350            let mut editor = MessageEditor::new(
 351                workspace.clone(),
 352                project.clone(),
 353                history_store.clone(),
 354                prompt_store.clone(),
 355                prompt_capabilities.clone(),
 356                available_commands.clone(),
 357                agent.name(),
 358                placeholder,
 359                editor::EditorMode::AutoHeight {
 360                    min_lines: MIN_EDITOR_LINES,
 361                    max_lines: Some(MAX_EDITOR_LINES),
 362                },
 363                window,
 364                cx,
 365            );
 366            if let Some(entry) = summarize_thread {
 367                editor.insert_thread_summary(entry, window, cx);
 368            }
 369            editor
 370        });
 371
 372        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 373
 374        let entry_view_state = cx.new(|_| {
 375            EntryViewState::new(
 376                workspace.clone(),
 377                project.clone(),
 378                history_store.clone(),
 379                prompt_store.clone(),
 380                prompt_capabilities.clone(),
 381                available_commands.clone(),
 382                agent.name(),
 383            )
 384        });
 385
 386        let subscriptions = [
 387            cx.observe_global_in::<SettingsStore>(window, Self::agent_font_size_changed),
 388            cx.observe_global_in::<AgentFontSize>(window, Self::agent_font_size_changed),
 389            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 390            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 391        ];
 392
 393        Self {
 394            agent: agent.clone(),
 395            workspace: workspace.clone(),
 396            project: project.clone(),
 397            entry_view_state,
 398            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 399            login: None,
 400            message_editor,
 401            model_selector: None,
 402            profile_selector: None,
 403
 404            notifications: Vec::new(),
 405            notification_subscriptions: HashMap::default(),
 406            list_state: list_state.clone(),
 407            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 408            thread_retry_status: None,
 409            thread_error: None,
 410            thread_feedback: Default::default(),
 411            auth_task: None,
 412            expanded_tool_calls: HashSet::default(),
 413            expanded_thinking_blocks: HashSet::default(),
 414            editing_message: None,
 415            edits_expanded: false,
 416            plan_expanded: false,
 417            prompt_capabilities,
 418            available_commands,
 419            editor_expanded: false,
 420            should_be_following: false,
 421            history_store,
 422            hovered_recent_history_item: None,
 423            is_loading_contents: false,
 424            _subscriptions: subscriptions,
 425            _cancel_task: None,
 426            focus_handle: cx.focus_handle(),
 427            new_server_version_available: None,
 428        }
 429    }
 430
 431    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 432        self.thread_state = Self::initial_state(
 433            self.agent.clone(),
 434            None,
 435            self.workspace.clone(),
 436            self.project.clone(),
 437            window,
 438            cx,
 439        );
 440        self.available_commands.replace(vec![]);
 441        self.new_server_version_available.take();
 442        cx.notify();
 443    }
 444
 445    fn initial_state(
 446        agent: Rc<dyn AgentServer>,
 447        resume_thread: Option<DbThreadMetadata>,
 448        workspace: WeakEntity<Workspace>,
 449        project: Entity<Project>,
 450        window: &mut Window,
 451        cx: &mut Context<Self>,
 452    ) -> ThreadState {
 453        if project.read(cx).is_via_collab()
 454            && agent.clone().downcast::<NativeAgentServer>().is_none()
 455        {
 456            return ThreadState::LoadError(LoadError::Other(
 457                "External agents are not yet supported in shared projects.".into(),
 458            ));
 459        }
 460        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 461        // Pick the first non-single-file worktree for the root directory if there are any,
 462        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 463        worktrees.sort_by(|l, r| {
 464            l.read(cx)
 465                .is_single_file()
 466                .cmp(&r.read(cx).is_single_file())
 467        });
 468        let root_dir = worktrees
 469            .into_iter()
 470            .filter_map(|worktree| {
 471                if worktree.read(cx).is_single_file() {
 472                    Some(worktree.read(cx).abs_path().parent()?.into())
 473                } else {
 474                    Some(worktree.read(cx).abs_path())
 475                }
 476            })
 477            .next();
 478        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 479        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 480        let delegate = AgentServerDelegate::new(
 481            project.read(cx).agent_server_store().clone(),
 482            project.clone(),
 483            Some(status_tx),
 484            Some(new_version_available_tx),
 485        );
 486
 487        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 488        let load_task = cx.spawn_in(window, async move |this, cx| {
 489            let connection = match connect_task.await {
 490                Ok((connection, login)) => {
 491                    this.update(cx, |this, _| this.login = login).ok();
 492                    connection
 493                }
 494                Err(err) => {
 495                    this.update_in(cx, |this, window, cx| {
 496                        if err.downcast_ref::<LoadError>().is_some() {
 497                            this.handle_load_error(err, window, cx);
 498                        } else {
 499                            this.handle_thread_error(err, cx);
 500                        }
 501                        cx.notify();
 502                    })
 503                    .log_err();
 504                    return;
 505                }
 506            };
 507
 508            let result = if let Some(native_agent) = connection
 509                .clone()
 510                .downcast::<agent2::NativeAgentConnection>()
 511                && let Some(resume) = resume_thread.clone()
 512            {
 513                cx.update(|_, cx| {
 514                    native_agent
 515                        .0
 516                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 517                })
 518                .log_err()
 519            } else {
 520                let root_dir = if let Some(acp_agent) = connection
 521                    .clone()
 522                    .downcast::<agent_servers::AcpConnection>()
 523                {
 524                    acp_agent.root_dir().into()
 525                } else {
 526                    root_dir.unwrap_or(paths::home_dir().as_path().into())
 527                };
 528                cx.update(|_, cx| {
 529                    connection
 530                        .clone()
 531                        .new_thread(project.clone(), &root_dir, cx)
 532                })
 533                .log_err()
 534            };
 535
 536            let Some(result) = result else {
 537                return;
 538            };
 539
 540            let result = match result.await {
 541                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 542                    Ok(err) => {
 543                        cx.update(|window, cx| {
 544                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 545                        })
 546                        .log_err();
 547                        return;
 548                    }
 549                    Err(err) => Err(err),
 550                },
 551                Ok(thread) => Ok(thread),
 552            };
 553
 554            this.update_in(cx, |this, window, cx| {
 555                match result {
 556                    Ok(thread) => {
 557                        let action_log = thread.read(cx).action_log().clone();
 558
 559                        this.prompt_capabilities
 560                            .set(thread.read(cx).prompt_capabilities());
 561
 562                        let count = thread.read(cx).entries().len();
 563                        this.entry_view_state.update(cx, |view_state, cx| {
 564                            for ix in 0..count {
 565                                view_state.sync_entry(ix, &thread, window, cx);
 566                            }
 567                            this.list_state.splice_focusable(
 568                                0..0,
 569                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 570                            );
 571                        });
 572
 573                        if let Some(resume) = resume_thread {
 574                            this.history_store.update(cx, |history, cx| {
 575                                history.push_recently_opened_entry(
 576                                    HistoryEntryId::AcpThread(resume.id),
 577                                    cx,
 578                                );
 579                            });
 580                        }
 581
 582                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 583
 584                        this.model_selector =
 585                            thread
 586                                .read(cx)
 587                                .connection()
 588                                .model_selector()
 589                                .map(|selector| {
 590                                    cx.new(|cx| {
 591                                        AcpModelSelectorPopover::new(
 592                                            thread.read(cx).session_id().clone(),
 593                                            selector,
 594                                            PopoverMenuHandle::default(),
 595                                            this.focus_handle(cx),
 596                                            window,
 597                                            cx,
 598                                        )
 599                                    })
 600                                });
 601
 602                        let mode_selector = thread
 603                            .read(cx)
 604                            .connection()
 605                            .session_modes(thread.read(cx).session_id(), cx)
 606                            .map(|session_modes| {
 607                                let fs = this.project.read(cx).fs().clone();
 608                                let focus_handle = this.focus_handle(cx);
 609                                cx.new(|_cx| {
 610                                    ModeSelector::new(
 611                                        session_modes,
 612                                        this.agent.clone(),
 613                                        fs,
 614                                        focus_handle,
 615                                    )
 616                                })
 617                            });
 618
 619                        let mut subscriptions = vec![
 620                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 621                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 622                        ];
 623
 624                        let title_editor =
 625                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 626                                let editor = cx.new(|cx| {
 627                                    let mut editor = Editor::single_line(window, cx);
 628                                    editor.set_text(thread.read(cx).title(), window, cx);
 629                                    editor
 630                                });
 631                                subscriptions.push(cx.subscribe_in(
 632                                    &editor,
 633                                    window,
 634                                    Self::handle_title_editor_event,
 635                                ));
 636                                Some(editor)
 637                            } else {
 638                                None
 639                            };
 640
 641                        this.thread_state = ThreadState::Ready {
 642                            thread,
 643                            title_editor,
 644                            mode_selector,
 645                            _subscriptions: subscriptions,
 646                        };
 647                        this.message_editor.focus_handle(cx).focus(window);
 648
 649                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 650                            cx.new(|cx| {
 651                                ProfileSelector::new(
 652                                    <dyn Fs>::global(cx),
 653                                    Arc::new(thread.clone()),
 654                                    this.focus_handle(cx),
 655                                    cx,
 656                                )
 657                            })
 658                        });
 659
 660                        cx.notify();
 661                    }
 662                    Err(err) => {
 663                        this.handle_load_error(err, window, cx);
 664                    }
 665                };
 666            })
 667            .log_err();
 668        });
 669
 670        cx.spawn(async move |this, cx| {
 671            while let Ok(new_version) = new_version_available_rx.recv().await {
 672                if let Some(new_version) = new_version {
 673                    this.update(cx, |this, cx| {
 674                        this.new_server_version_available = Some(new_version.into());
 675                        cx.notify();
 676                    })
 677                    .log_err();
 678                }
 679            }
 680        })
 681        .detach();
 682
 683        let loading_view = cx.new(|cx| {
 684            let update_title_task = cx.spawn(async move |this, cx| {
 685                loop {
 686                    let status = status_rx.recv().await?;
 687                    this.update(cx, |this: &mut LoadingView, cx| {
 688                        this.title = status;
 689                        cx.notify();
 690                    })?;
 691                }
 692            });
 693
 694            LoadingView {
 695                title: "Loading…".into(),
 696                _load_task: load_task,
 697                _update_title_task: update_title_task,
 698            }
 699        });
 700
 701        ThreadState::Loading(loading_view)
 702    }
 703
 704    fn handle_auth_required(
 705        this: WeakEntity<Self>,
 706        err: AuthRequired,
 707        agent: Rc<dyn AgentServer>,
 708        connection: Rc<dyn AgentConnection>,
 709        window: &mut Window,
 710        cx: &mut App,
 711    ) {
 712        let agent_name = agent.name();
 713        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 714            let registry = LanguageModelRegistry::global(cx);
 715
 716            let sub = window.subscribe(&registry, cx, {
 717                let provider_id = provider_id.clone();
 718                let this = this.clone();
 719                move |_, ev, window, cx| {
 720                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 721                        && &provider_id == updated_provider_id
 722                        && LanguageModelRegistry::global(cx)
 723                            .read(cx)
 724                            .provider(&provider_id)
 725                            .map_or(false, |provider| provider.is_authenticated(cx))
 726                    {
 727                        this.update(cx, |this, cx| {
 728                            this.reset(window, cx);
 729                        })
 730                        .ok();
 731                    }
 732                }
 733            });
 734
 735            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 736                provider.configuration_view(
 737                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 738                    window,
 739                    cx,
 740                )
 741            });
 742
 743            (view, Some(sub))
 744        } else {
 745            (None, None)
 746        };
 747
 748        this.update(cx, |this, cx| {
 749            this.thread_state = ThreadState::Unauthenticated {
 750                pending_auth_method: None,
 751                connection,
 752                configuration_view,
 753                description: err
 754                    .description
 755                    .clone()
 756                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 757                _subscription: subscription,
 758            };
 759            if this.message_editor.focus_handle(cx).is_focused(window) {
 760                this.focus_handle.focus(window)
 761            }
 762            cx.notify();
 763        })
 764        .ok();
 765    }
 766
 767    fn handle_load_error(
 768        &mut self,
 769        err: anyhow::Error,
 770        window: &mut Window,
 771        cx: &mut Context<Self>,
 772    ) {
 773        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 774            self.thread_state = ThreadState::LoadError(load_err.clone());
 775        } else {
 776            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 777        }
 778        if self.message_editor.focus_handle(cx).is_focused(window) {
 779            self.focus_handle.focus(window)
 780        }
 781        cx.notify();
 782    }
 783
 784    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 785        &self.workspace
 786    }
 787
 788    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 789        match &self.thread_state {
 790            ThreadState::Ready { thread, .. } => Some(thread),
 791            ThreadState::Unauthenticated { .. }
 792            | ThreadState::Loading { .. }
 793            | ThreadState::LoadError { .. } => None,
 794        }
 795    }
 796
 797    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 798        match &self.thread_state {
 799            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 800            ThreadState::Unauthenticated { .. }
 801            | ThreadState::Loading { .. }
 802            | ThreadState::LoadError { .. } => None,
 803        }
 804    }
 805
 806    pub fn title(&self, cx: &App) -> SharedString {
 807        match &self.thread_state {
 808            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 809            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 810            ThreadState::LoadError(error) => match error {
 811                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 812                LoadError::FailedToInstall(_) => {
 813                    format!("Failed to Install {}", self.agent.name()).into()
 814                }
 815                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 816                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 817            },
 818        }
 819    }
 820
 821    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 822        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 823            title_editor.clone()
 824        } else {
 825            None
 826        }
 827    }
 828
 829    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 830        self.thread_error.take();
 831        self.thread_retry_status.take();
 832
 833        if let Some(thread) = self.thread() {
 834            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 835        }
 836    }
 837
 838    pub fn expand_message_editor(
 839        &mut self,
 840        _: &ExpandMessageEditor,
 841        _window: &mut Window,
 842        cx: &mut Context<Self>,
 843    ) {
 844        self.set_editor_is_expanded(!self.editor_expanded, cx);
 845        cx.notify();
 846    }
 847
 848    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 849        self.editor_expanded = is_expanded;
 850        self.message_editor.update(cx, |editor, cx| {
 851            if is_expanded {
 852                editor.set_mode(
 853                    EditorMode::Full {
 854                        scale_ui_elements_with_buffer_font_size: false,
 855                        show_active_line_background: false,
 856                        sized_by_content: false,
 857                    },
 858                    cx,
 859                )
 860            } else {
 861                editor.set_mode(
 862                    EditorMode::AutoHeight {
 863                        min_lines: MIN_EDITOR_LINES,
 864                        max_lines: Some(MAX_EDITOR_LINES),
 865                    },
 866                    cx,
 867                )
 868            }
 869        });
 870        cx.notify();
 871    }
 872
 873    pub fn handle_title_editor_event(
 874        &mut self,
 875        title_editor: &Entity<Editor>,
 876        event: &EditorEvent,
 877        window: &mut Window,
 878        cx: &mut Context<Self>,
 879    ) {
 880        let Some(thread) = self.thread() else { return };
 881
 882        match event {
 883            EditorEvent::BufferEdited => {
 884                let new_title = title_editor.read(cx).text(cx);
 885                thread.update(cx, |thread, cx| {
 886                    thread
 887                        .set_title(new_title.into(), cx)
 888                        .detach_and_log_err(cx);
 889                })
 890            }
 891            EditorEvent::Blurred => {
 892                if title_editor.read(cx).text(cx).is_empty() {
 893                    title_editor.update(cx, |editor, cx| {
 894                        editor.set_text("New Thread", window, cx);
 895                    });
 896                }
 897            }
 898            _ => {}
 899        }
 900    }
 901
 902    pub fn handle_message_editor_event(
 903        &mut self,
 904        _: &Entity<MessageEditor>,
 905        event: &MessageEditorEvent,
 906        window: &mut Window,
 907        cx: &mut Context<Self>,
 908    ) {
 909        match event {
 910            MessageEditorEvent::Send => self.send(window, cx),
 911            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 912            MessageEditorEvent::Focus => {
 913                self.cancel_editing(&Default::default(), window, cx);
 914            }
 915            MessageEditorEvent::LostFocus => {}
 916        }
 917    }
 918
 919    pub fn handle_entry_view_event(
 920        &mut self,
 921        _: &Entity<EntryViewState>,
 922        event: &EntryViewEvent,
 923        window: &mut Window,
 924        cx: &mut Context<Self>,
 925    ) {
 926        match &event.view_event {
 927            ViewEvent::NewDiff(tool_call_id) => {
 928                if AgentSettings::get_global(cx).expand_edit_card {
 929                    self.expanded_tool_calls.insert(tool_call_id.clone());
 930                }
 931            }
 932            ViewEvent::NewTerminal(tool_call_id) => {
 933                if AgentSettings::get_global(cx).expand_terminal_card {
 934                    self.expanded_tool_calls.insert(tool_call_id.clone());
 935                }
 936            }
 937            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 938                self.expanded_tool_calls.remove(tool_call_id);
 939            }
 940            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 941                if let Some(thread) = self.thread()
 942                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 943                        thread.read(cx).entries().get(event.entry_index)
 944                    && user_message.id.is_some()
 945                {
 946                    self.editing_message = Some(event.entry_index);
 947                    cx.notify();
 948                }
 949            }
 950            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 951                if let Some(thread) = self.thread()
 952                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 953                        thread.read(cx).entries().get(event.entry_index)
 954                    && user_message.id.is_some()
 955                {
 956                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 957                        self.editing_message = None;
 958                        cx.notify();
 959                    }
 960                }
 961            }
 962            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 963                self.regenerate(event.entry_index, editor.clone(), window, cx);
 964            }
 965            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 966                self.cancel_editing(&Default::default(), window, cx);
 967            }
 968        }
 969    }
 970
 971    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 972        self.thread_error.take();
 973        let Some(thread) = self.thread() else {
 974            return;
 975        };
 976        if !thread.read(cx).can_resume(cx) {
 977            return;
 978        }
 979
 980        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 981        cx.spawn(async move |this, cx| {
 982            let result = task.await;
 983
 984            this.update(cx, |this, cx| {
 985                if let Err(err) = result {
 986                    this.handle_thread_error(err, cx);
 987                }
 988            })
 989        })
 990        .detach();
 991    }
 992
 993    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 994        let Some(thread) = self.thread() else { return };
 995
 996        if self.is_loading_contents {
 997            return;
 998        }
 999
1000        self.history_store.update(cx, |history, cx| {
1001            history.push_recently_opened_entry(
1002                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1003                cx,
1004            );
1005        });
1006
1007        if thread.read(cx).status() != ThreadStatus::Idle {
1008            self.stop_current_and_send_new_message(window, cx);
1009            return;
1010        }
1011
1012        let text = self.message_editor.read(cx).text(cx);
1013        let text = text.trim();
1014        if text == "/login" || text == "/logout" {
1015            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1016                return;
1017            };
1018
1019            let connection = thread.read(cx).connection().clone();
1020            if !connection
1021                .auth_methods()
1022                .iter()
1023                .any(|method| method.id.0.as_ref() == "claude-login")
1024            {
1025                return;
1026            };
1027            let this = cx.weak_entity();
1028            let agent = self.agent.clone();
1029            window.defer(cx, |window, cx| {
1030                Self::handle_auth_required(
1031                    this,
1032                    AuthRequired {
1033                        description: None,
1034                        provider_id: None,
1035                    },
1036                    agent,
1037                    connection,
1038                    window,
1039                    cx,
1040                );
1041            });
1042            cx.notify();
1043            return;
1044        }
1045
1046        let contents = self
1047            .message_editor
1048            .update(cx, |message_editor, cx| message_editor.contents(cx));
1049        self.send_impl(contents, window, cx)
1050    }
1051
1052    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1053        let Some(thread) = self.thread().cloned() else {
1054            return;
1055        };
1056
1057        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1058
1059        let contents = self
1060            .message_editor
1061            .update(cx, |message_editor, cx| message_editor.contents(cx));
1062
1063        cx.spawn_in(window, async move |this, cx| {
1064            cancelled.await;
1065
1066            this.update_in(cx, |this, window, cx| {
1067                this.send_impl(contents, window, cx);
1068            })
1069            .ok();
1070        })
1071        .detach();
1072    }
1073
1074    fn send_impl(
1075        &mut self,
1076        contents: Task<Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
1077        window: &mut Window,
1078        cx: &mut Context<Self>,
1079    ) {
1080        let agent_telemetry_id = self.agent.telemetry_id();
1081
1082        self.thread_error.take();
1083        self.editing_message.take();
1084        self.thread_feedback.clear();
1085
1086        let Some(thread) = self.thread() else {
1087            return;
1088        };
1089        let thread = thread.downgrade();
1090        if self.should_be_following {
1091            self.workspace
1092                .update(cx, |workspace, cx| {
1093                    workspace.follow(CollaboratorId::Agent, window, cx);
1094                })
1095                .ok();
1096        }
1097
1098        self.is_loading_contents = true;
1099        let guard = cx.new(|_| ());
1100        cx.observe_release(&guard, |this, _guard, cx| {
1101            this.is_loading_contents = false;
1102            cx.notify();
1103        })
1104        .detach();
1105
1106        let task = cx.spawn_in(window, async move |this, cx| {
1107            let (contents, tracked_buffers) = contents.await?;
1108
1109            if contents.is_empty() {
1110                return Ok(());
1111            }
1112
1113            this.update_in(cx, |this, window, cx| {
1114                this.set_editor_is_expanded(false, cx);
1115                this.scroll_to_bottom(cx);
1116                this.message_editor.update(cx, |message_editor, cx| {
1117                    message_editor.clear(window, cx);
1118                });
1119            })?;
1120            let send = thread.update(cx, |thread, cx| {
1121                thread.action_log().update(cx, |action_log, cx| {
1122                    for buffer in tracked_buffers {
1123                        action_log.buffer_read(buffer, cx)
1124                    }
1125                });
1126                drop(guard);
1127
1128                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1129
1130                thread.send(contents, cx)
1131            })?;
1132            send.await
1133        });
1134
1135        cx.spawn(async move |this, cx| {
1136            if let Err(err) = task.await {
1137                this.update(cx, |this, cx| {
1138                    this.handle_thread_error(err, cx);
1139                })
1140                .ok();
1141            } else {
1142                this.update(cx, |this, cx| {
1143                    this.should_be_following = this
1144                        .workspace
1145                        .update(cx, |workspace, _| {
1146                            workspace.is_being_followed(CollaboratorId::Agent)
1147                        })
1148                        .unwrap_or_default();
1149                })
1150                .ok();
1151            }
1152        })
1153        .detach();
1154    }
1155
1156    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1157        let Some(thread) = self.thread().cloned() else {
1158            return;
1159        };
1160
1161        if let Some(index) = self.editing_message.take()
1162            && let Some(editor) = self
1163                .entry_view_state
1164                .read(cx)
1165                .entry(index)
1166                .and_then(|e| e.message_editor())
1167                .cloned()
1168        {
1169            editor.update(cx, |editor, cx| {
1170                if let Some(user_message) = thread
1171                    .read(cx)
1172                    .entries()
1173                    .get(index)
1174                    .and_then(|e| e.user_message())
1175                {
1176                    editor.set_message(user_message.chunks.clone(), window, cx);
1177                }
1178            })
1179        };
1180        self.focus_handle(cx).focus(window);
1181        cx.notify();
1182    }
1183
1184    fn regenerate(
1185        &mut self,
1186        entry_ix: usize,
1187        message_editor: Entity<MessageEditor>,
1188        window: &mut Window,
1189        cx: &mut Context<Self>,
1190    ) {
1191        let Some(thread) = self.thread().cloned() else {
1192            return;
1193        };
1194        if self.is_loading_contents {
1195            return;
1196        }
1197
1198        let Some(user_message_id) = thread.update(cx, |thread, _| {
1199            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1200        }) else {
1201            return;
1202        };
1203
1204        cx.spawn_in(window, async move |this, cx| {
1205            thread
1206                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1207                .await?;
1208            let contents =
1209                message_editor.update(cx, |message_editor, cx| message_editor.contents(cx))?;
1210            this.update_in(cx, |this, window, cx| {
1211                this.send_impl(contents, window, cx);
1212            })?;
1213            anyhow::Ok(())
1214        })
1215        .detach();
1216    }
1217
1218    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
1219        if let Some(thread) = self.thread() {
1220            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
1221        }
1222    }
1223
1224    fn open_edited_buffer(
1225        &mut self,
1226        buffer: &Entity<Buffer>,
1227        window: &mut Window,
1228        cx: &mut Context<Self>,
1229    ) {
1230        let Some(thread) = self.thread() else {
1231            return;
1232        };
1233
1234        let Some(diff) =
1235            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1236        else {
1237            return;
1238        };
1239
1240        diff.update(cx, |diff, cx| {
1241            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1242        })
1243    }
1244
1245    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1246        let Some(thread) = self.as_native_thread(cx) else {
1247            return;
1248        };
1249        let project_context = thread.read(cx).project_context().read(cx);
1250
1251        let project_entry_ids = project_context
1252            .worktrees
1253            .iter()
1254            .flat_map(|worktree| worktree.rules_file.as_ref())
1255            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1256            .collect::<Vec<_>>();
1257
1258        self.workspace
1259            .update(cx, move |workspace, cx| {
1260                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1261                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1262                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1263                let project = workspace.project().read(cx);
1264                let project_paths = project_entry_ids
1265                    .into_iter()
1266                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1267                    .collect::<Vec<_>>();
1268                for project_path in project_paths {
1269                    workspace
1270                        .open_path(project_path, None, true, window, cx)
1271                        .detach_and_log_err(cx);
1272                }
1273            })
1274            .ok();
1275    }
1276
1277    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1278        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1279        cx.notify();
1280    }
1281
1282    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1283        self.thread_error = None;
1284        cx.notify();
1285    }
1286
1287    fn handle_thread_event(
1288        &mut self,
1289        thread: &Entity<AcpThread>,
1290        event: &AcpThreadEvent,
1291        window: &mut Window,
1292        cx: &mut Context<Self>,
1293    ) {
1294        match event {
1295            AcpThreadEvent::NewEntry => {
1296                let len = thread.read(cx).entries().len();
1297                let index = len - 1;
1298                self.entry_view_state.update(cx, |view_state, cx| {
1299                    view_state.sync_entry(index, thread, window, cx);
1300                    self.list_state.splice_focusable(
1301                        index..index,
1302                        [view_state
1303                            .entry(index)
1304                            .and_then(|entry| entry.focus_handle(cx))],
1305                    );
1306                });
1307            }
1308            AcpThreadEvent::EntryUpdated(index) => {
1309                self.entry_view_state.update(cx, |view_state, cx| {
1310                    view_state.sync_entry(*index, thread, window, cx)
1311                });
1312            }
1313            AcpThreadEvent::EntriesRemoved(range) => {
1314                self.entry_view_state
1315                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1316                self.list_state.splice(range.clone(), 0);
1317            }
1318            AcpThreadEvent::ToolAuthorizationRequired => {
1319                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1320            }
1321            AcpThreadEvent::Retry(retry) => {
1322                self.thread_retry_status = Some(retry.clone());
1323            }
1324            AcpThreadEvent::Stopped => {
1325                self.thread_retry_status.take();
1326                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1327                self.notify_with_sound(
1328                    if used_tools {
1329                        "Finished running tools"
1330                    } else {
1331                        "New message"
1332                    },
1333                    IconName::ZedAssistant,
1334                    window,
1335                    cx,
1336                );
1337            }
1338            AcpThreadEvent::Refusal => {
1339                self.thread_retry_status.take();
1340                self.thread_error = Some(ThreadError::Refusal);
1341                let model_or_agent_name = self.get_current_model_name(cx);
1342                let notification_message =
1343                    format!("{} refused to respond to this request", model_or_agent_name);
1344                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1345            }
1346            AcpThreadEvent::Error => {
1347                self.thread_retry_status.take();
1348                self.notify_with_sound(
1349                    "Agent stopped due to an error",
1350                    IconName::Warning,
1351                    window,
1352                    cx,
1353                );
1354            }
1355            AcpThreadEvent::LoadError(error) => {
1356                self.thread_retry_status.take();
1357                self.thread_state = ThreadState::LoadError(error.clone());
1358                if self.message_editor.focus_handle(cx).is_focused(window) {
1359                    self.focus_handle.focus(window)
1360                }
1361            }
1362            AcpThreadEvent::TitleUpdated => {
1363                let title = thread.read(cx).title();
1364                if let Some(title_editor) = self.title_editor() {
1365                    title_editor.update(cx, |editor, cx| {
1366                        if editor.text(cx) != title {
1367                            editor.set_text(title, window, cx);
1368                        }
1369                    });
1370                }
1371            }
1372            AcpThreadEvent::PromptCapabilitiesUpdated => {
1373                self.prompt_capabilities
1374                    .set(thread.read(cx).prompt_capabilities());
1375            }
1376            AcpThreadEvent::TokenUsageUpdated => {}
1377            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1378                let mut available_commands = available_commands.clone();
1379
1380                if thread
1381                    .read(cx)
1382                    .connection()
1383                    .auth_methods()
1384                    .iter()
1385                    .any(|method| method.id.0.as_ref() == "claude-login")
1386                {
1387                    available_commands.push(acp::AvailableCommand {
1388                        name: "login".to_owned(),
1389                        description: "Authenticate".to_owned(),
1390                        input: None,
1391                    });
1392                    available_commands.push(acp::AvailableCommand {
1393                        name: "logout".to_owned(),
1394                        description: "Authenticate".to_owned(),
1395                        input: None,
1396                    });
1397                }
1398
1399                self.available_commands.replace(available_commands);
1400            }
1401            AcpThreadEvent::ModeUpdated(_mode) => {
1402                // The connection keeps track of the mode
1403                cx.notify();
1404            }
1405        }
1406        cx.notify();
1407    }
1408
1409    fn authenticate(
1410        &mut self,
1411        method: acp::AuthMethodId,
1412        window: &mut Window,
1413        cx: &mut Context<Self>,
1414    ) {
1415        let ThreadState::Unauthenticated {
1416            connection,
1417            pending_auth_method,
1418            configuration_view,
1419            ..
1420        } = &mut self.thread_state
1421        else {
1422            return;
1423        };
1424
1425        if method.0.as_ref() == "gemini-api-key" {
1426            let registry = LanguageModelRegistry::global(cx);
1427            let provider = registry
1428                .read(cx)
1429                .provider(&language_model::GOOGLE_PROVIDER_ID)
1430                .unwrap();
1431            if !provider.is_authenticated(cx) {
1432                let this = cx.weak_entity();
1433                let agent = self.agent.clone();
1434                let connection = connection.clone();
1435                window.defer(cx, |window, cx| {
1436                    Self::handle_auth_required(
1437                        this,
1438                        AuthRequired {
1439                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1440                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1441                        },
1442                        agent,
1443                        connection,
1444                        window,
1445                        cx,
1446                    );
1447                });
1448                return;
1449            }
1450        } else if method.0.as_ref() == "anthropic-api-key" {
1451            let registry = LanguageModelRegistry::global(cx);
1452            let provider = registry
1453                .read(cx)
1454                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1455                .unwrap();
1456            let this = cx.weak_entity();
1457            let agent = self.agent.clone();
1458            let connection = connection.clone();
1459            window.defer(cx, move |window, cx| {
1460                if !provider.is_authenticated(cx) {
1461                    Self::handle_auth_required(
1462                        this,
1463                        AuthRequired {
1464                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1465                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1466                        },
1467                        agent,
1468                        connection,
1469                        window,
1470                        cx,
1471                    );
1472                } else {
1473                    this.update(cx, |this, cx| {
1474                        this.thread_state = Self::initial_state(
1475                            agent,
1476                            None,
1477                            this.workspace.clone(),
1478                            this.project.clone(),
1479                            window,
1480                            cx,
1481                        )
1482                    })
1483                    .ok();
1484                }
1485            });
1486            return;
1487        } else if method.0.as_ref() == "vertex-ai"
1488            && std::env::var("GOOGLE_API_KEY").is_err()
1489            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1490                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1491        {
1492            let this = cx.weak_entity();
1493            let agent = self.agent.clone();
1494            let connection = connection.clone();
1495
1496            window.defer(cx, |window, cx| {
1497                    Self::handle_auth_required(
1498                        this,
1499                        AuthRequired {
1500                            description: Some(
1501                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1502                                    .to_owned(),
1503                            ),
1504                            provider_id: None,
1505                        },
1506                        agent,
1507                        connection,
1508                        window,
1509                        cx,
1510                    )
1511                });
1512            return;
1513        }
1514
1515        self.thread_error.take();
1516        configuration_view.take();
1517        pending_auth_method.replace(method.clone());
1518        let authenticate = if (method.0.as_ref() == "claude-login"
1519            || method.0.as_ref() == "spawn-gemini-cli")
1520            && let Some(login) = self.login.clone()
1521        {
1522            if let Some(workspace) = self.workspace.upgrade() {
1523                Self::spawn_external_agent_login(login, workspace, false, window, cx)
1524            } else {
1525                Task::ready(Ok(()))
1526            }
1527        } else {
1528            connection.authenticate(method, cx)
1529        };
1530        cx.notify();
1531        self.auth_task =
1532            Some(cx.spawn_in(window, {
1533                let agent = self.agent.clone();
1534                async move |this, cx| {
1535                    let result = authenticate.await;
1536
1537                    match &result {
1538                        Ok(_) => telemetry::event!(
1539                            "Authenticate Agent Succeeded",
1540                            agent = agent.telemetry_id()
1541                        ),
1542                        Err(_) => {
1543                            telemetry::event!(
1544                                "Authenticate Agent Failed",
1545                                agent = agent.telemetry_id(),
1546                            )
1547                        }
1548                    }
1549
1550                    this.update_in(cx, |this, window, cx| {
1551                        if let Err(err) = result {
1552                            if let ThreadState::Unauthenticated {
1553                                pending_auth_method,
1554                                ..
1555                            } = &mut this.thread_state
1556                            {
1557                                pending_auth_method.take();
1558                            }
1559                            this.handle_thread_error(err, cx);
1560                        } else {
1561                            this.reset(window, cx);
1562                        }
1563                        this.auth_task.take()
1564                    })
1565                    .ok();
1566                }
1567            }));
1568    }
1569
1570    fn spawn_external_agent_login(
1571        login: task::SpawnInTerminal,
1572        workspace: Entity<Workspace>,
1573        previous_attempt: bool,
1574        window: &mut Window,
1575        cx: &mut App,
1576    ) -> Task<Result<()>> {
1577        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1578            return Task::ready(Ok(()));
1579        };
1580        let project = workspace.read(cx).project().clone();
1581        let cwd = project.read(cx).first_project_directory(cx);
1582        let shell = project.read(cx).terminal_settings(&cwd, cx).shell.clone();
1583
1584        window.spawn(cx, async move |cx| {
1585            let mut task = login.clone();
1586            task.command = task
1587                .command
1588                .map(|command| anyhow::Ok(shlex::try_quote(&command)?.to_string()))
1589                .transpose()?;
1590            task.args = task
1591                .args
1592                .iter()
1593                .map(|arg| {
1594                    Ok(shlex::try_quote(arg)
1595                        .context("Failed to quote argument")?
1596                        .to_string())
1597                })
1598                .collect::<Result<Vec<_>>>()?;
1599            task.full_label = task.label.clone();
1600            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1601            task.command_label = task.label.clone();
1602            task.use_new_terminal = true;
1603            task.allow_concurrent_runs = true;
1604            task.hide = task::HideStrategy::Always;
1605            task.shell = shell;
1606
1607            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1608                terminal_panel.spawn_task(&task, window, cx)
1609            })?;
1610
1611            let terminal = terminal.await?;
1612            let mut exit_status = terminal
1613                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1614                .fuse();
1615
1616            let logged_in = cx
1617                .spawn({
1618                    let terminal = terminal.clone();
1619                    async move |cx| {
1620                        loop {
1621                            cx.background_executor().timer(Duration::from_secs(1)).await;
1622                            let content =
1623                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1624                            if content.contains("Login successful")
1625                                || content.contains("Type your message")
1626                            {
1627                                return anyhow::Ok(());
1628                            }
1629                        }
1630                    }
1631                })
1632                .fuse();
1633            futures::pin_mut!(logged_in);
1634            futures::select_biased! {
1635                result = logged_in => {
1636                    if let Err(e) = result {
1637                        log::error!("{e}");
1638                        return Err(anyhow!("exited before logging in"));
1639                    }
1640                }
1641                _ = exit_status => {
1642                    if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1643                        return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, true, window, cx))?.await
1644                    }
1645                    return Err(anyhow!("exited before logging in"));
1646                }
1647            }
1648            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1649            Ok(())
1650        })
1651    }
1652
1653    fn authorize_tool_call(
1654        &mut self,
1655        tool_call_id: acp::ToolCallId,
1656        option_id: acp::PermissionOptionId,
1657        option_kind: acp::PermissionOptionKind,
1658        window: &mut Window,
1659        cx: &mut Context<Self>,
1660    ) {
1661        let Some(thread) = self.thread() else {
1662            return;
1663        };
1664        thread.update(cx, |thread, cx| {
1665            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1666        });
1667        if self.should_be_following {
1668            self.workspace
1669                .update(cx, |workspace, cx| {
1670                    workspace.follow(CollaboratorId::Agent, window, cx);
1671                })
1672                .ok();
1673        }
1674        cx.notify();
1675    }
1676
1677    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1678        let Some(thread) = self.thread() else {
1679            return;
1680        };
1681
1682        thread
1683            .update(cx, |thread, cx| {
1684                thread.restore_checkpoint(message_id.clone(), cx)
1685            })
1686            .detach_and_log_err(cx);
1687    }
1688
1689    fn render_entry(
1690        &self,
1691        entry_ix: usize,
1692        total_entries: usize,
1693        entry: &AgentThreadEntry,
1694        window: &mut Window,
1695        cx: &Context<Self>,
1696    ) -> AnyElement {
1697        let primary = match &entry {
1698            AgentThreadEntry::UserMessage(message) => {
1699                let Some(editor) = self
1700                    .entry_view_state
1701                    .read(cx)
1702                    .entry(entry_ix)
1703                    .and_then(|entry| entry.message_editor())
1704                    .cloned()
1705                else {
1706                    return Empty.into_any_element();
1707                };
1708
1709                let editing = self.editing_message == Some(entry_ix);
1710                let editor_focus = editor.focus_handle(cx).is_focused(window);
1711                let focus_border = cx.theme().colors().border_focused;
1712
1713                let rules_item = if entry_ix == 0 {
1714                    self.render_rules_item(cx)
1715                } else {
1716                    None
1717                };
1718
1719                let has_checkpoint_button = message
1720                    .checkpoint
1721                    .as_ref()
1722                    .is_some_and(|checkpoint| checkpoint.show);
1723
1724                let agent_name = self.agent.name();
1725
1726                v_flex()
1727                    .id(("user_message", entry_ix))
1728                    .map(|this| {
1729                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1730                            this.pt(rems_from_px(18.))
1731                        } else if rules_item.is_some() {
1732                            this.pt_3()
1733                        } else {
1734                            this.pt_2()
1735                        }
1736                    })
1737                    .pb_3()
1738                    .px_2()
1739                    .gap_1p5()
1740                    .w_full()
1741                    .children(rules_item)
1742                    .children(message.id.clone().and_then(|message_id| {
1743                        message.checkpoint.as_ref()?.show.then(|| {
1744                            h_flex()
1745                                .px_3()
1746                                .gap_2()
1747                                .child(Divider::horizontal())
1748                                .child(
1749                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1750                                        .icon(IconName::Undo)
1751                                        .icon_size(IconSize::XSmall)
1752                                        .icon_position(IconPosition::Start)
1753                                        .label_size(LabelSize::XSmall)
1754                                        .icon_color(Color::Muted)
1755                                        .color(Color::Muted)
1756                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1757                                        .on_click(cx.listener(move |this, _, _window, cx| {
1758                                            this.restore_checkpoint(&message_id, cx);
1759                                        }))
1760                                )
1761                                .child(Divider::horizontal())
1762                        })
1763                    }))
1764                    .child(
1765                        div()
1766                            .relative()
1767                            .child(
1768                                div()
1769                                    .py_3()
1770                                    .px_2()
1771                                    .rounded_md()
1772                                    .shadow_md()
1773                                    .bg(cx.theme().colors().editor_background)
1774                                    .border_1()
1775                                    .when(editing && !editor_focus, |this| this.border_dashed())
1776                                    .border_color(cx.theme().colors().border)
1777                                    .map(|this|{
1778                                        if editing && editor_focus {
1779                                            this.border_color(focus_border)
1780                                        } else if message.id.is_some() {
1781                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1782                                        } else {
1783                                            this
1784                                        }
1785                                    })
1786                                    .text_xs()
1787                                    .child(editor.clone().into_any_element()),
1788                            )
1789                            .when(editor_focus, |this| {
1790                                let base_container = h_flex()
1791                                    .absolute()
1792                                    .top_neg_3p5()
1793                                    .right_3()
1794                                    .gap_1()
1795                                    .rounded_sm()
1796                                    .border_1()
1797                                    .border_color(cx.theme().colors().border)
1798                                    .bg(cx.theme().colors().editor_background)
1799                                    .overflow_hidden();
1800
1801                                if message.id.is_some() {
1802                                    this.child(
1803                                        base_container
1804                                            .child(
1805                                                IconButton::new("cancel", IconName::Close)
1806                                                    .disabled(self.is_loading_contents)
1807                                                    .icon_color(Color::Error)
1808                                                    .icon_size(IconSize::XSmall)
1809                                                    .on_click(cx.listener(Self::cancel_editing))
1810                                            )
1811                                            .child(
1812                                                if self.is_loading_contents {
1813                                                    div()
1814                                                        .id("loading-edited-message-content")
1815                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1816                                                        .child(loading_contents_spinner(IconSize::XSmall))
1817                                                        .into_any_element()
1818                                                } else {
1819                                                    IconButton::new("regenerate", IconName::Return)
1820                                                        .icon_color(Color::Muted)
1821                                                        .icon_size(IconSize::XSmall)
1822                                                        .tooltip(Tooltip::text(
1823                                                            "Editing will restart the thread from this point."
1824                                                        ))
1825                                                        .on_click(cx.listener({
1826                                                            let editor = editor.clone();
1827                                                            move |this, _, window, cx| {
1828                                                                this.regenerate(
1829                                                                    entry_ix, editor.clone(), window, cx,
1830                                                                );
1831                                                            }
1832                                                        })).into_any_element()
1833                                                }
1834                                            )
1835                                    )
1836                                } else {
1837                                    this.child(
1838                                        base_container
1839                                            .border_dashed()
1840                                            .child(
1841                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1842                                                    .icon_size(IconSize::Small)
1843                                                    .icon_color(Color::Muted)
1844                                                    .style(ButtonStyle::Transparent)
1845                                                    .tooltip(move |_window, cx| {
1846                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1847                                                            .into()
1848                                                    })
1849                                            )
1850                                    )
1851                                }
1852                            }),
1853                    )
1854                    .into_any()
1855            }
1856            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1857                let is_last = entry_ix + 1 == total_entries;
1858
1859                let style = default_markdown_style(false, false, window, cx);
1860                let message_body = v_flex()
1861                    .w_full()
1862                    .gap_3()
1863                    .children(chunks.iter().enumerate().filter_map(
1864                        |(chunk_ix, chunk)| match chunk {
1865                            AssistantMessageChunk::Message { block } => {
1866                                block.markdown().map(|md| {
1867                                    self.render_markdown(md.clone(), style.clone())
1868                                        .into_any_element()
1869                                })
1870                            }
1871                            AssistantMessageChunk::Thought { block } => {
1872                                block.markdown().map(|md| {
1873                                    self.render_thinking_block(
1874                                        entry_ix,
1875                                        chunk_ix,
1876                                        md.clone(),
1877                                        window,
1878                                        cx,
1879                                    )
1880                                    .into_any_element()
1881                                })
1882                            }
1883                        },
1884                    ))
1885                    .into_any();
1886
1887                v_flex()
1888                    .px_5()
1889                    .py_1p5()
1890                    .when(is_last, |this| this.pb_4())
1891                    .w_full()
1892                    .text_ui(cx)
1893                    .child(message_body)
1894                    .into_any()
1895            }
1896            AgentThreadEntry::ToolCall(tool_call) => {
1897                let has_terminals = tool_call.terminals().next().is_some();
1898
1899                div().w_full().map(|this| {
1900                    if has_terminals {
1901                        this.children(tool_call.terminals().map(|terminal| {
1902                            self.render_terminal_tool_call(
1903                                entry_ix, terminal, tool_call, window, cx,
1904                            )
1905                        }))
1906                    } else {
1907                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1908                    }
1909                })
1910            }
1911            .into_any(),
1912        };
1913
1914        let Some(thread) = self.thread() else {
1915            return primary;
1916        };
1917
1918        let primary = if entry_ix == total_entries - 1 {
1919            v_flex()
1920                .w_full()
1921                .child(primary)
1922                .child(self.render_thread_controls(&thread, cx))
1923                .when_some(
1924                    self.thread_feedback.comments_editor.clone(),
1925                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1926                )
1927                .into_any_element()
1928        } else {
1929            primary
1930        };
1931
1932        if let Some(editing_index) = self.editing_message.as_ref()
1933            && *editing_index < entry_ix
1934        {
1935            let backdrop = div()
1936                .id(("backdrop", entry_ix))
1937                .size_full()
1938                .absolute()
1939                .inset_0()
1940                .bg(cx.theme().colors().panel_background)
1941                .opacity(0.8)
1942                .block_mouse_except_scroll()
1943                .on_click(cx.listener(Self::cancel_editing));
1944
1945            div()
1946                .relative()
1947                .child(primary)
1948                .child(backdrop)
1949                .into_any_element()
1950        } else {
1951            primary
1952        }
1953    }
1954
1955    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1956        cx.theme()
1957            .colors()
1958            .element_background
1959            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1960    }
1961
1962    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1963        cx.theme().colors().border.opacity(0.8)
1964    }
1965
1966    fn tool_name_font_size(&self) -> Rems {
1967        rems_from_px(13.)
1968    }
1969
1970    fn render_thinking_block(
1971        &self,
1972        entry_ix: usize,
1973        chunk_ix: usize,
1974        chunk: Entity<Markdown>,
1975        window: &Window,
1976        cx: &Context<Self>,
1977    ) -> AnyElement {
1978        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1979        let card_header_id = SharedString::from("inner-card-header");
1980
1981        let key = (entry_ix, chunk_ix);
1982
1983        let is_open = self.expanded_thinking_blocks.contains(&key);
1984
1985        let scroll_handle = self
1986            .entry_view_state
1987            .read(cx)
1988            .entry(entry_ix)
1989            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
1990
1991        let thinking_content = {
1992            div()
1993                .id(("thinking-content", chunk_ix))
1994                .when_some(scroll_handle, |this, scroll_handle| {
1995                    this.track_scroll(&scroll_handle)
1996                })
1997                .text_ui_sm(cx)
1998                .overflow_hidden()
1999                .child(
2000                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2001                )
2002        };
2003
2004        v_flex()
2005            .gap_1()
2006            .child(
2007                h_flex()
2008                    .id(header_id)
2009                    .group(&card_header_id)
2010                    .relative()
2011                    .w_full()
2012                    .pr_1()
2013                    .justify_between()
2014                    .child(
2015                        h_flex()
2016                            .h(window.line_height() - px(2.))
2017                            .gap_1p5()
2018                            .overflow_hidden()
2019                            .child(
2020                                Icon::new(IconName::ToolThink)
2021                                    .size(IconSize::Small)
2022                                    .color(Color::Muted),
2023                            )
2024                            .child(
2025                                div()
2026                                    .text_size(self.tool_name_font_size())
2027                                    .text_color(cx.theme().colors().text_muted)
2028                                    .child("Thinking"),
2029                            ),
2030                    )
2031                    .child(
2032                        Disclosure::new(("expand", entry_ix), is_open)
2033                            .opened_icon(IconName::ChevronUp)
2034                            .closed_icon(IconName::ChevronDown)
2035                            .visible_on_hover(&card_header_id)
2036                            .on_click(cx.listener({
2037                                move |this, _event, _window, cx| {
2038                                    if is_open {
2039                                        this.expanded_thinking_blocks.remove(&key);
2040                                    } else {
2041                                        this.expanded_thinking_blocks.insert(key);
2042                                    }
2043                                    cx.notify();
2044                                }
2045                            })),
2046                    )
2047                    .on_click(cx.listener({
2048                        move |this, _event, _window, cx| {
2049                            if is_open {
2050                                this.expanded_thinking_blocks.remove(&key);
2051                            } else {
2052                                this.expanded_thinking_blocks.insert(key);
2053                            }
2054                            cx.notify();
2055                        }
2056                    })),
2057            )
2058            .when(is_open, |this| {
2059                this.child(
2060                    div()
2061                        .ml_1p5()
2062                        .pl_3p5()
2063                        .border_l_1()
2064                        .border_color(self.tool_card_border_color(cx))
2065                        .child(thinking_content),
2066                )
2067            })
2068            .into_any_element()
2069    }
2070
2071    fn render_tool_call(
2072        &self,
2073        entry_ix: usize,
2074        tool_call: &ToolCall,
2075        window: &Window,
2076        cx: &Context<Self>,
2077    ) -> Div {
2078        let has_location = tool_call.locations.len() == 1;
2079        let card_header_id = SharedString::from("inner-tool-call-header");
2080
2081        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2082            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2083                .map(Icon::from_path)
2084                .unwrap_or(Icon::new(IconName::ToolPencil))
2085        } else {
2086            Icon::new(match tool_call.kind {
2087                acp::ToolKind::Read => IconName::ToolSearch,
2088                acp::ToolKind::Edit => IconName::ToolPencil,
2089                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2090                acp::ToolKind::Move => IconName::ArrowRightLeft,
2091                acp::ToolKind::Search => IconName::ToolSearch,
2092                acp::ToolKind::Execute => IconName::ToolTerminal,
2093                acp::ToolKind::Think => IconName::ToolThink,
2094                acp::ToolKind::Fetch => IconName::ToolWeb,
2095                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2096                acp::ToolKind::Other => IconName::ToolHammer,
2097            })
2098        }
2099        .size(IconSize::Small)
2100        .color(Color::Muted);
2101
2102        let failed_or_canceled = match &tool_call.status {
2103            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2104            _ => false,
2105        };
2106
2107        let needs_confirmation = matches!(
2108            tool_call.status,
2109            ToolCallStatus::WaitingForConfirmation { .. }
2110        );
2111        let is_edit =
2112            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2113        let use_card_layout = needs_confirmation || is_edit;
2114
2115        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2116
2117        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2118
2119        let gradient_overlay = {
2120            div()
2121                .absolute()
2122                .top_0()
2123                .right_0()
2124                .w_12()
2125                .h_full()
2126                .map(|this| {
2127                    if use_card_layout {
2128                        this.bg(linear_gradient(
2129                            90.,
2130                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2131                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2132                        ))
2133                    } else {
2134                        this.bg(linear_gradient(
2135                            90.,
2136                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2137                            linear_color_stop(
2138                                cx.theme().colors().panel_background.opacity(0.2),
2139                                0.,
2140                            ),
2141                        ))
2142                    }
2143                })
2144        };
2145
2146        let tool_output_display =
2147            if is_open {
2148                match &tool_call.status {
2149                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2150                        .w_full()
2151                        .children(tool_call.content.iter().enumerate().map(
2152                            |(content_ix, content)| {
2153                                div()
2154                                    .child(self.render_tool_call_content(
2155                                        entry_ix,
2156                                        content,
2157                                        content_ix,
2158                                        tool_call,
2159                                        use_card_layout,
2160                                        window,
2161                                        cx,
2162                                    ))
2163                                    .into_any_element()
2164                            },
2165                        ))
2166                        .child(self.render_permission_buttons(
2167                            tool_call.kind,
2168                            options,
2169                            entry_ix,
2170                            tool_call.id.clone(),
2171                            window,
2172                            cx,
2173                        ))
2174                        .into_any(),
2175                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2176                        if is_edit
2177                            && tool_call.content.is_empty()
2178                            && self.as_native_connection(cx).is_some() =>
2179                    {
2180                        self.render_diff_loading(cx).into_any()
2181                    }
2182                    ToolCallStatus::Pending
2183                    | ToolCallStatus::InProgress
2184                    | ToolCallStatus::Completed
2185                    | ToolCallStatus::Failed
2186                    | ToolCallStatus::Canceled => v_flex()
2187                        .w_full()
2188                        .children(tool_call.content.iter().enumerate().map(
2189                            |(content_ix, content)| {
2190                                div().child(self.render_tool_call_content(
2191                                    entry_ix,
2192                                    content,
2193                                    content_ix,
2194                                    tool_call,
2195                                    use_card_layout,
2196                                    window,
2197                                    cx,
2198                                ))
2199                            },
2200                        ))
2201                        .into_any(),
2202                    ToolCallStatus::Rejected => Empty.into_any(),
2203                }
2204                .into()
2205            } else {
2206                None
2207            };
2208
2209        v_flex()
2210            .map(|this| {
2211                if use_card_layout {
2212                    this.my_1p5()
2213                        .rounded_md()
2214                        .border_1()
2215                        .border_color(self.tool_card_border_color(cx))
2216                        .bg(cx.theme().colors().editor_background)
2217                        .overflow_hidden()
2218                } else {
2219                    this.my_1()
2220                }
2221            })
2222            .map(|this| {
2223                if has_location && !use_card_layout {
2224                    this.ml_4()
2225                } else {
2226                    this.ml_5()
2227                }
2228            })
2229            .mr_5()
2230            .child(
2231                h_flex()
2232                    .group(&card_header_id)
2233                    .relative()
2234                    .w_full()
2235                    .gap_1()
2236                    .justify_between()
2237                    .when(use_card_layout, |this| {
2238                        this.p_0p5()
2239                            .rounded_t(rems_from_px(5.))
2240                            .bg(self.tool_card_header_bg(cx))
2241                    })
2242                    .child(
2243                        h_flex()
2244                            .relative()
2245                            .w_full()
2246                            .h(window.line_height() - px(2.))
2247                            .text_size(self.tool_name_font_size())
2248                            .gap_1p5()
2249                            .when(has_location || use_card_layout, |this| this.px_1())
2250                            .when(has_location, |this| {
2251                                this.cursor(CursorStyle::PointingHand)
2252                                    .rounded(rems_from_px(3.)) // Concentric border radius
2253                                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2254                            })
2255                            .overflow_hidden()
2256                            .child(tool_icon)
2257                            .child(if has_location {
2258                                h_flex()
2259                                    .id(("open-tool-call-location", entry_ix))
2260                                    .w_full()
2261                                    .map(|this| {
2262                                        if use_card_layout {
2263                                            this.text_color(cx.theme().colors().text)
2264                                        } else {
2265                                            this.text_color(cx.theme().colors().text_muted)
2266                                        }
2267                                    })
2268                                    .child(self.render_markdown(
2269                                        tool_call.label.clone(),
2270                                        MarkdownStyle {
2271                                            prevent_mouse_interaction: true,
2272                                            ..default_markdown_style(false, true, window, cx)
2273                                        },
2274                                    ))
2275                                    .tooltip(Tooltip::text("Jump to File"))
2276                                    .on_click(cx.listener(move |this, _, window, cx| {
2277                                        this.open_tool_call_location(entry_ix, 0, window, cx);
2278                                    }))
2279                                    .into_any_element()
2280                            } else {
2281                                h_flex()
2282                                    .w_full()
2283                                    .child(self.render_markdown(
2284                                        tool_call.label.clone(),
2285                                        default_markdown_style(false, true, window, cx),
2286                                    ))
2287                                    .into_any()
2288                            })
2289                            .when(!has_location, |this| this.child(gradient_overlay)),
2290                    )
2291                    .when(is_collapsible || failed_or_canceled, |this| {
2292                        this.child(
2293                            h_flex()
2294                                .px_1()
2295                                .gap_px()
2296                                .when(is_collapsible, |this| {
2297                                    this.child(
2298                                    Disclosure::new(("expand", entry_ix), is_open)
2299                                        .opened_icon(IconName::ChevronUp)
2300                                        .closed_icon(IconName::ChevronDown)
2301                                        .visible_on_hover(&card_header_id)
2302                                        .on_click(cx.listener({
2303                                            let id = tool_call.id.clone();
2304                                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2305                                                if is_open {
2306                                                    this.expanded_tool_calls.remove(&id);
2307                                                } else {
2308                                                    this.expanded_tool_calls.insert(id.clone());
2309                                                }
2310                                                cx.notify();
2311                                            }
2312                                        })),
2313                                )
2314                                })
2315                                .when(failed_or_canceled, |this| {
2316                                    this.child(
2317                                        Icon::new(IconName::Close)
2318                                            .color(Color::Error)
2319                                            .size(IconSize::Small),
2320                                    )
2321                                }),
2322                        )
2323                    }),
2324            )
2325            .children(tool_output_display)
2326    }
2327
2328    fn render_tool_call_content(
2329        &self,
2330        entry_ix: usize,
2331        content: &ToolCallContent,
2332        context_ix: usize,
2333        tool_call: &ToolCall,
2334        card_layout: bool,
2335        window: &Window,
2336        cx: &Context<Self>,
2337    ) -> AnyElement {
2338        match content {
2339            ToolCallContent::ContentBlock(content) => {
2340                if let Some(resource_link) = content.resource_link() {
2341                    self.render_resource_link(resource_link, cx)
2342                } else if let Some(markdown) = content.markdown() {
2343                    self.render_markdown_output(
2344                        markdown.clone(),
2345                        tool_call.id.clone(),
2346                        context_ix,
2347                        card_layout,
2348                        window,
2349                        cx,
2350                    )
2351                } else {
2352                    Empty.into_any_element()
2353                }
2354            }
2355            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2356            ToolCallContent::Terminal(terminal) => {
2357                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2358            }
2359        }
2360    }
2361
2362    fn render_markdown_output(
2363        &self,
2364        markdown: Entity<Markdown>,
2365        tool_call_id: acp::ToolCallId,
2366        context_ix: usize,
2367        card_layout: bool,
2368        window: &Window,
2369        cx: &Context<Self>,
2370    ) -> AnyElement {
2371        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2372
2373        v_flex()
2374            .mt_1p5()
2375            .gap_2()
2376            .when(!card_layout, |this| {
2377                this.ml(rems(0.4))
2378                    .px_3p5()
2379                    .border_l_1()
2380                    .border_color(self.tool_card_border_color(cx))
2381            })
2382            .when(card_layout, |this| {
2383                this.px_2().pb_2().when(context_ix > 0, |this| {
2384                    this.border_t_1()
2385                        .pt_2()
2386                        .border_color(self.tool_card_border_color(cx))
2387                })
2388            })
2389            .text_xs()
2390            .text_color(cx.theme().colors().text_muted)
2391            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2392            .when(!card_layout, |this| {
2393                this.child(
2394                    IconButton::new(button_id, IconName::ChevronUp)
2395                        .full_width()
2396                        .style(ButtonStyle::Outlined)
2397                        .icon_color(Color::Muted)
2398                        .on_click(cx.listener({
2399                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2400                                this.expanded_tool_calls.remove(&tool_call_id);
2401                                cx.notify();
2402                            }
2403                        })),
2404                )
2405            })
2406            .into_any_element()
2407    }
2408
2409    fn render_resource_link(
2410        &self,
2411        resource_link: &acp::ResourceLink,
2412        cx: &Context<Self>,
2413    ) -> AnyElement {
2414        let uri: SharedString = resource_link.uri.clone().into();
2415        let is_file = resource_link.uri.strip_prefix("file://");
2416
2417        let label: SharedString = if let Some(abs_path) = is_file {
2418            if let Some(project_path) = self
2419                .project
2420                .read(cx)
2421                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2422                && let Some(worktree) = self
2423                    .project
2424                    .read(cx)
2425                    .worktree_for_id(project_path.worktree_id, cx)
2426            {
2427                worktree
2428                    .read(cx)
2429                    .full_path(&project_path.path)
2430                    .to_string_lossy()
2431                    .to_string()
2432                    .into()
2433            } else {
2434                abs_path.to_string().into()
2435            }
2436        } else {
2437            uri.clone()
2438        };
2439
2440        let button_id = SharedString::from(format!("item-{}", uri));
2441
2442        div()
2443            .ml(rems(0.4))
2444            .pl_2p5()
2445            .border_l_1()
2446            .border_color(self.tool_card_border_color(cx))
2447            .overflow_hidden()
2448            .child(
2449                Button::new(button_id, label)
2450                    .label_size(LabelSize::Small)
2451                    .color(Color::Muted)
2452                    .truncate(true)
2453                    .when(is_file.is_none(), |this| {
2454                        this.icon(IconName::ArrowUpRight)
2455                            .icon_size(IconSize::XSmall)
2456                            .icon_color(Color::Muted)
2457                    })
2458                    .on_click(cx.listener({
2459                        let workspace = self.workspace.clone();
2460                        move |_, _, window, cx: &mut Context<Self>| {
2461                            Self::open_link(uri.clone(), &workspace, window, cx);
2462                        }
2463                    })),
2464            )
2465            .into_any_element()
2466    }
2467
2468    fn render_permission_buttons(
2469        &self,
2470        kind: acp::ToolKind,
2471        options: &[acp::PermissionOption],
2472        entry_ix: usize,
2473        tool_call_id: acp::ToolCallId,
2474        window: &Window,
2475        cx: &Context<Self>,
2476    ) -> Div {
2477        let is_first = self.thread().is_some_and(|thread| {
2478            thread
2479                .read(cx)
2480                .first_tool_awaiting_confirmation()
2481                .is_some_and(|call| call.id == tool_call_id)
2482        });
2483        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2484
2485        div()
2486            .p_1()
2487            .border_t_1()
2488            .border_color(self.tool_card_border_color(cx))
2489            .w_full()
2490            .map(|this| {
2491                if kind == acp::ToolKind::SwitchMode {
2492                    this.v_flex()
2493                } else {
2494                    this.h_flex().justify_end().flex_wrap()
2495                }
2496            })
2497            .gap_0p5()
2498            .children(options.iter().map(move |option| {
2499                let option_id = SharedString::from(option.id.0.clone());
2500                Button::new((option_id, entry_ix), option.name.clone())
2501                    .map(|this| {
2502                        let (this, action) = match option.kind {
2503                            acp::PermissionOptionKind::AllowOnce => (
2504                                this.icon(IconName::Check).icon_color(Color::Success),
2505                                Some(&AllowOnce as &dyn Action),
2506                            ),
2507                            acp::PermissionOptionKind::AllowAlways => (
2508                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2509                                Some(&AllowAlways as &dyn Action),
2510                            ),
2511                            acp::PermissionOptionKind::RejectOnce => (
2512                                this.icon(IconName::Close).icon_color(Color::Error),
2513                                Some(&RejectOnce as &dyn Action),
2514                            ),
2515                            acp::PermissionOptionKind::RejectAlways => {
2516                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2517                            }
2518                        };
2519
2520                        let Some(action) = action else {
2521                            return this;
2522                        };
2523
2524                        if !is_first || seen_kinds.contains(&option.kind) {
2525                            return this;
2526                        }
2527
2528                        seen_kinds.push(option.kind);
2529
2530                        this.key_binding(
2531                            KeyBinding::for_action_in(action, &self.focus_handle, window, cx)
2532                                .map(|kb| kb.size(rems_from_px(10.))),
2533                        )
2534                    })
2535                    .icon_position(IconPosition::Start)
2536                    .icon_size(IconSize::XSmall)
2537                    .label_size(LabelSize::Small)
2538                    .on_click(cx.listener({
2539                        let tool_call_id = tool_call_id.clone();
2540                        let option_id = option.id.clone();
2541                        let option_kind = option.kind;
2542                        move |this, _, window, cx| {
2543                            this.authorize_tool_call(
2544                                tool_call_id.clone(),
2545                                option_id.clone(),
2546                                option_kind,
2547                                window,
2548                                cx,
2549                            );
2550                        }
2551                    }))
2552            }))
2553    }
2554
2555    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2556        let bar = |n: u64, width_class: &str| {
2557            let bg_color = cx.theme().colors().element_active;
2558            let base = h_flex().h_1().rounded_full();
2559
2560            let modified = match width_class {
2561                "w_4_5" => base.w_3_4(),
2562                "w_1_4" => base.w_1_4(),
2563                "w_2_4" => base.w_2_4(),
2564                "w_3_5" => base.w_3_5(),
2565                "w_2_5" => base.w_2_5(),
2566                _ => base.w_1_2(),
2567            };
2568
2569            modified.with_animation(
2570                ElementId::Integer(n),
2571                Animation::new(Duration::from_secs(2)).repeat(),
2572                move |tab, delta| {
2573                    let delta = (delta - 0.15 * n as f32) / 0.7;
2574                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2575                    let delta = ease_in_out(delta.clamp(0., 1.));
2576                    let delta = 0.1 + 0.9 * delta;
2577
2578                    tab.bg(bg_color.opacity(delta))
2579                },
2580            )
2581        };
2582
2583        v_flex()
2584            .p_3()
2585            .gap_1()
2586            .rounded_b_md()
2587            .bg(cx.theme().colors().editor_background)
2588            .child(bar(0, "w_4_5"))
2589            .child(bar(1, "w_1_4"))
2590            .child(bar(2, "w_2_4"))
2591            .child(bar(3, "w_3_5"))
2592            .child(bar(4, "w_2_5"))
2593            .into_any_element()
2594    }
2595
2596    fn render_diff_editor(
2597        &self,
2598        entry_ix: usize,
2599        diff: &Entity<acp_thread::Diff>,
2600        tool_call: &ToolCall,
2601        cx: &Context<Self>,
2602    ) -> AnyElement {
2603        let tool_progress = matches!(
2604            &tool_call.status,
2605            ToolCallStatus::InProgress | ToolCallStatus::Pending
2606        );
2607
2608        v_flex()
2609            .h_full()
2610            .border_t_1()
2611            .border_color(self.tool_card_border_color(cx))
2612            .child(
2613                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2614                    && let Some(editor) = entry.editor_for_diff(diff)
2615                    && diff.read(cx).has_revealed_range(cx)
2616                {
2617                    editor.into_any_element()
2618                } else if tool_progress && self.as_native_connection(cx).is_some() {
2619                    self.render_diff_loading(cx)
2620                } else {
2621                    Empty.into_any()
2622                },
2623            )
2624            .into_any()
2625    }
2626
2627    fn render_terminal_tool_call(
2628        &self,
2629        entry_ix: usize,
2630        terminal: &Entity<acp_thread::Terminal>,
2631        tool_call: &ToolCall,
2632        window: &Window,
2633        cx: &Context<Self>,
2634    ) -> AnyElement {
2635        let terminal_data = terminal.read(cx);
2636        let working_dir = terminal_data.working_dir();
2637        let command = terminal_data.command();
2638        let started_at = terminal_data.started_at();
2639
2640        let tool_failed = matches!(
2641            &tool_call.status,
2642            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2643        );
2644
2645        let output = terminal_data.output();
2646        let command_finished = output.is_some();
2647        let truncated_output =
2648            output.is_some_and(|output| output.original_content_len > output.content.len());
2649        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2650
2651        let command_failed = command_finished
2652            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2653
2654        let time_elapsed = if let Some(output) = output {
2655            output.ended_at.duration_since(started_at)
2656        } else {
2657            started_at.elapsed()
2658        };
2659
2660        let header_id =
2661            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2662        let header_group = SharedString::from(format!(
2663            "terminal-tool-header-group-{}",
2664            terminal.entity_id()
2665        ));
2666        let header_bg = cx
2667            .theme()
2668            .colors()
2669            .element_background
2670            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2671        let border_color = cx.theme().colors().border.opacity(0.6);
2672
2673        let working_dir = working_dir
2674            .as_ref()
2675            .map(|path| format!("{}", path.display()))
2676            .unwrap_or_else(|| "current directory".to_string());
2677
2678        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2679
2680        let header = h_flex()
2681            .id(header_id)
2682            .flex_none()
2683            .gap_1()
2684            .justify_between()
2685            .rounded_t_md()
2686            .child(
2687                div()
2688                    .id(("command-target-path", terminal.entity_id()))
2689                    .w_full()
2690                    .max_w_full()
2691                    .overflow_x_scroll()
2692                    .child(
2693                        Label::new(working_dir)
2694                            .buffer_font(cx)
2695                            .size(LabelSize::XSmall)
2696                            .color(Color::Muted),
2697                    ),
2698            )
2699            .when(!command_finished, |header| {
2700                header
2701                    .gap_1p5()
2702                    .child(
2703                        Button::new(
2704                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2705                            "Stop",
2706                        )
2707                        .icon(IconName::Stop)
2708                        .icon_position(IconPosition::Start)
2709                        .icon_size(IconSize::Small)
2710                        .icon_color(Color::Error)
2711                        .label_size(LabelSize::Small)
2712                        .tooltip(move |window, cx| {
2713                            Tooltip::with_meta(
2714                                "Stop This Command",
2715                                None,
2716                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2717                                window,
2718                                cx,
2719                            )
2720                        })
2721                        .on_click({
2722                            let terminal = terminal.clone();
2723                            cx.listener(move |_this, _event, _window, cx| {
2724                                let inner_terminal = terminal.read(cx).inner().clone();
2725                                inner_terminal.update(cx, |inner_terminal, _cx| {
2726                                    inner_terminal.kill_active_task();
2727                                });
2728                            })
2729                        }),
2730                    )
2731                    .child(Divider::vertical())
2732                    .child(
2733                        Icon::new(IconName::ArrowCircle)
2734                            .size(IconSize::XSmall)
2735                            .color(Color::Info)
2736                            .with_rotate_animation(2)
2737                    )
2738            })
2739            .when(truncated_output, |header| {
2740                let tooltip = if let Some(output) = output {
2741                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2742                       format!("Output exceeded terminal max lines and was \
2743                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2744                    } else {
2745                        format!(
2746                            "Output is {} long, and to avoid unexpected token usage, \
2747                                only {} was sent back to the agent.",
2748                            format_file_size(output.original_content_len as u64, true),
2749                             format_file_size(output.content.len() as u64, true)
2750                        )
2751                    }
2752                } else {
2753                    "Output was truncated".to_string()
2754                };
2755
2756                header.child(
2757                    h_flex()
2758                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2759                        .gap_1()
2760                        .child(
2761                            Icon::new(IconName::Info)
2762                                .size(IconSize::XSmall)
2763                                .color(Color::Ignored),
2764                        )
2765                        .child(
2766                            Label::new("Truncated")
2767                                .color(Color::Muted)
2768                                .size(LabelSize::XSmall),
2769                        )
2770                        .tooltip(Tooltip::text(tooltip)),
2771                )
2772            })
2773            .when(time_elapsed > Duration::from_secs(10), |header| {
2774                header.child(
2775                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2776                        .buffer_font(cx)
2777                        .color(Color::Muted)
2778                        .size(LabelSize::XSmall),
2779                )
2780            })
2781            .when(tool_failed || command_failed, |header| {
2782                header.child(
2783                    div()
2784                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2785                        .child(
2786                            Icon::new(IconName::Close)
2787                                .size(IconSize::Small)
2788                                .color(Color::Error),
2789                        )
2790                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2791                            this.tooltip(Tooltip::text(format!(
2792                                "Exited with code {}",
2793                                status.code().unwrap_or(-1),
2794                            )))
2795                        }),
2796                )
2797            })
2798            .child(
2799                Disclosure::new(
2800                    SharedString::from(format!(
2801                        "terminal-tool-disclosure-{}",
2802                        terminal.entity_id()
2803                    )),
2804                    is_expanded,
2805                )
2806                .opened_icon(IconName::ChevronUp)
2807                .closed_icon(IconName::ChevronDown)
2808                .visible_on_hover(&header_group)
2809                .on_click(cx.listener({
2810                    let id = tool_call.id.clone();
2811                    move |this, _event, _window, _cx| {
2812                        if is_expanded {
2813                            this.expanded_tool_calls.remove(&id);
2814                        } else {
2815                            this.expanded_tool_calls.insert(id.clone());
2816                        }
2817                    }
2818                })),
2819            );
2820
2821        let terminal_view = self
2822            .entry_view_state
2823            .read(cx)
2824            .entry(entry_ix)
2825            .and_then(|entry| entry.terminal(terminal));
2826        let show_output = is_expanded && terminal_view.is_some();
2827
2828        v_flex()
2829            .my_1p5()
2830            .mx_5()
2831            .border_1()
2832            .when(tool_failed || command_failed, |card| card.border_dashed())
2833            .border_color(border_color)
2834            .rounded_md()
2835            .overflow_hidden()
2836            .child(
2837                v_flex()
2838                    .group(&header_group)
2839                    .py_1p5()
2840                    .pr_1p5()
2841                    .pl_2()
2842                    .gap_0p5()
2843                    .bg(header_bg)
2844                    .text_xs()
2845                    .child(header)
2846                    .child(
2847                        MarkdownElement::new(
2848                            command.clone(),
2849                            terminal_command_markdown_style(window, cx),
2850                        )
2851                        .code_block_renderer(
2852                            markdown::CodeBlockRenderer::Default {
2853                                copy_button: false,
2854                                copy_button_on_hover: true,
2855                                border: false,
2856                            },
2857                        ),
2858                    ),
2859            )
2860            .when(show_output, |this| {
2861                this.child(
2862                    div()
2863                        .pt_2()
2864                        .border_t_1()
2865                        .when(tool_failed || command_failed, |card| card.border_dashed())
2866                        .border_color(border_color)
2867                        .bg(cx.theme().colors().editor_background)
2868                        .rounded_b_md()
2869                        .text_ui_sm(cx)
2870                        .h_full()
2871                        .children(terminal_view.map(|terminal_view| {
2872                            if terminal_view
2873                                .read(cx)
2874                                .content_mode(window, cx)
2875                                .is_scrollable()
2876                            {
2877                                div().h_72().child(terminal_view).into_any_element()
2878                            } else {
2879                                terminal_view.into_any_element()
2880                            }
2881                        })),
2882                )
2883            })
2884            .into_any()
2885    }
2886
2887    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2888        let project_context = self
2889            .as_native_thread(cx)?
2890            .read(cx)
2891            .project_context()
2892            .read(cx);
2893
2894        let user_rules_text = if project_context.user_rules.is_empty() {
2895            None
2896        } else if project_context.user_rules.len() == 1 {
2897            let user_rules = &project_context.user_rules[0];
2898
2899            match user_rules.title.as_ref() {
2900                Some(title) => Some(format!("Using \"{title}\" user rule")),
2901                None => Some("Using user rule".into()),
2902            }
2903        } else {
2904            Some(format!(
2905                "Using {} user rules",
2906                project_context.user_rules.len()
2907            ))
2908        };
2909
2910        let first_user_rules_id = project_context
2911            .user_rules
2912            .first()
2913            .map(|user_rules| user_rules.uuid.0);
2914
2915        let rules_files = project_context
2916            .worktrees
2917            .iter()
2918            .filter_map(|worktree| worktree.rules_file.as_ref())
2919            .collect::<Vec<_>>();
2920
2921        let rules_file_text = match rules_files.as_slice() {
2922            &[] => None,
2923            &[rules_file] => Some(format!(
2924                "Using project {:?} file",
2925                rules_file.path_in_worktree
2926            )),
2927            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2928        };
2929
2930        if user_rules_text.is_none() && rules_file_text.is_none() {
2931            return None;
2932        }
2933
2934        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2935
2936        Some(
2937            h_flex()
2938                .px_2p5()
2939                .child(
2940                    Icon::new(IconName::Attach)
2941                        .size(IconSize::XSmall)
2942                        .color(Color::Disabled),
2943                )
2944                .when_some(user_rules_text, |parent, user_rules_text| {
2945                    parent.child(
2946                        h_flex()
2947                            .id("user-rules")
2948                            .ml_1()
2949                            .mr_1p5()
2950                            .child(
2951                                Label::new(user_rules_text)
2952                                    .size(LabelSize::XSmall)
2953                                    .color(Color::Muted)
2954                                    .truncate(),
2955                            )
2956                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2957                            .tooltip(Tooltip::text("View User Rules"))
2958                            .on_click(move |_event, window, cx| {
2959                                window.dispatch_action(
2960                                    Box::new(OpenRulesLibrary {
2961                                        prompt_to_select: first_user_rules_id,
2962                                    }),
2963                                    cx,
2964                                )
2965                            }),
2966                    )
2967                })
2968                .when(has_both, |this| {
2969                    this.child(
2970                        Label::new("")
2971                            .size(LabelSize::XSmall)
2972                            .color(Color::Disabled),
2973                    )
2974                })
2975                .when_some(rules_file_text, |parent, rules_file_text| {
2976                    parent.child(
2977                        h_flex()
2978                            .id("project-rules")
2979                            .ml_1p5()
2980                            .child(
2981                                Label::new(rules_file_text)
2982                                    .size(LabelSize::XSmall)
2983                                    .color(Color::Muted),
2984                            )
2985                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2986                            .tooltip(Tooltip::text("View Project Rules"))
2987                            .on_click(cx.listener(Self::handle_open_rules)),
2988                    )
2989                })
2990                .into_any(),
2991        )
2992    }
2993
2994    fn render_empty_state_section_header(
2995        &self,
2996        label: impl Into<SharedString>,
2997        action_slot: Option<AnyElement>,
2998        cx: &mut Context<Self>,
2999    ) -> impl IntoElement {
3000        div().pl_1().pr_1p5().child(
3001            h_flex()
3002                .mt_2()
3003                .pl_1p5()
3004                .pb_1()
3005                .w_full()
3006                .justify_between()
3007                .border_b_1()
3008                .border_color(cx.theme().colors().border_variant)
3009                .child(
3010                    Label::new(label.into())
3011                        .size(LabelSize::Small)
3012                        .color(Color::Muted),
3013                )
3014                .children(action_slot),
3015        )
3016    }
3017
3018    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3019        let render_history = self
3020            .agent
3021            .clone()
3022            .downcast::<agent2::NativeAgentServer>()
3023            .is_some()
3024            && self
3025                .history_store
3026                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3027
3028        v_flex()
3029            .size_full()
3030            .when(render_history, |this| {
3031                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3032                    history_store.entries().take(3).collect()
3033                });
3034                this.justify_end().child(
3035                    v_flex()
3036                        .child(
3037                            self.render_empty_state_section_header(
3038                                "Recent",
3039                                Some(
3040                                    Button::new("view-history", "View All")
3041                                        .style(ButtonStyle::Subtle)
3042                                        .label_size(LabelSize::Small)
3043                                        .key_binding(
3044                                            KeyBinding::for_action_in(
3045                                                &OpenHistory,
3046                                                &self.focus_handle(cx),
3047                                                window,
3048                                                cx,
3049                                            )
3050                                            .map(|kb| kb.size(rems_from_px(12.))),
3051                                        )
3052                                        .on_click(move |_event, window, cx| {
3053                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3054                                        })
3055                                        .into_any_element(),
3056                                ),
3057                                cx,
3058                            ),
3059                        )
3060                        .child(
3061                            v_flex().p_1().pr_1p5().gap_1().children(
3062                                recent_history
3063                                    .into_iter()
3064                                    .enumerate()
3065                                    .map(|(index, entry)| {
3066                                        // TODO: Add keyboard navigation.
3067                                        let is_hovered =
3068                                            self.hovered_recent_history_item == Some(index);
3069                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3070                                            entry,
3071                                            cx.entity().downgrade(),
3072                                        )
3073                                        .hovered(is_hovered)
3074                                        .on_hover(cx.listener(
3075                                            move |this, is_hovered, _window, cx| {
3076                                                if *is_hovered {
3077                                                    this.hovered_recent_history_item = Some(index);
3078                                                } else if this.hovered_recent_history_item
3079                                                    == Some(index)
3080                                                {
3081                                                    this.hovered_recent_history_item = None;
3082                                                }
3083                                                cx.notify();
3084                                            },
3085                                        ))
3086                                        .into_any_element()
3087                                    }),
3088                            ),
3089                        ),
3090                )
3091            })
3092            .into_any()
3093    }
3094
3095    fn render_auth_required_state(
3096        &self,
3097        connection: &Rc<dyn AgentConnection>,
3098        description: Option<&Entity<Markdown>>,
3099        configuration_view: Option<&AnyView>,
3100        pending_auth_method: Option<&acp::AuthMethodId>,
3101        window: &mut Window,
3102        cx: &Context<Self>,
3103    ) -> Div {
3104        let show_description =
3105            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3106
3107        let auth_methods = connection.auth_methods();
3108
3109        v_flex().flex_1().size_full().justify_end().child(
3110            v_flex()
3111                .p_2()
3112                .pr_3()
3113                .w_full()
3114                .gap_1()
3115                .border_t_1()
3116                .border_color(cx.theme().colors().border)
3117                .bg(cx.theme().status().warning.opacity(0.04))
3118                .child(
3119                    h_flex()
3120                        .gap_1p5()
3121                        .child(
3122                            Icon::new(IconName::Warning)
3123                                .color(Color::Warning)
3124                                .size(IconSize::Small),
3125                        )
3126                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3127                )
3128                .children(description.map(|desc| {
3129                    div().text_ui(cx).child(self.render_markdown(
3130                        desc.clone(),
3131                        default_markdown_style(false, false, window, cx),
3132                    ))
3133                }))
3134                .children(
3135                    configuration_view
3136                        .cloned()
3137                        .map(|view| div().w_full().child(view)),
3138                )
3139                .when(show_description, |el| {
3140                    el.child(
3141                        Label::new(format!(
3142                            "You are not currently authenticated with {}.{}",
3143                            self.agent.name(),
3144                            if auth_methods.len() > 1 {
3145                                " Please choose one of the following options:"
3146                            } else {
3147                                ""
3148                            }
3149                        ))
3150                        .size(LabelSize::Small)
3151                        .color(Color::Muted)
3152                        .mb_1()
3153                        .ml_5(),
3154                    )
3155                })
3156                .when_some(pending_auth_method, |el, _| {
3157                    el.child(
3158                        h_flex()
3159                            .py_4()
3160                            .w_full()
3161                            .justify_center()
3162                            .gap_1()
3163                            .child(
3164                                Icon::new(IconName::ArrowCircle)
3165                                    .size(IconSize::Small)
3166                                    .color(Color::Muted)
3167                                    .with_rotate_animation(2),
3168                            )
3169                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3170                    )
3171                })
3172                .when(!auth_methods.is_empty(), |this| {
3173                    this.child(
3174                        h_flex()
3175                            .justify_end()
3176                            .flex_wrap()
3177                            .gap_1()
3178                            .when(!show_description, |this| {
3179                                this.border_t_1()
3180                                    .mt_1()
3181                                    .pt_2()
3182                                    .border_color(cx.theme().colors().border.opacity(0.8))
3183                            })
3184                            .children(connection.auth_methods().iter().enumerate().rev().map(
3185                                |(ix, method)| {
3186                                    let (method_id, name) = if self
3187                                        .project
3188                                        .read(cx)
3189                                        .is_via_remote_server()
3190                                        && method.id.0.as_ref() == "oauth-personal"
3191                                        && method.name == "Log in with Google"
3192                                    {
3193                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3194                                    } else {
3195                                        (method.id.0.clone(), method.name.clone())
3196                                    };
3197
3198                                    Button::new(SharedString::from(method_id.clone()), name)
3199                                        .when(ix == 0, |el| {
3200                                            el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
3201                                        })
3202                                        .label_size(LabelSize::Small)
3203                                        .on_click({
3204                                            cx.listener(move |this, _, window, cx| {
3205                                                telemetry::event!(
3206                                                    "Authenticate Agent Started",
3207                                                    agent = this.agent.telemetry_id(),
3208                                                    method = method_id
3209                                                );
3210
3211                                                this.authenticate(
3212                                                    acp::AuthMethodId(method_id.clone()),
3213                                                    window,
3214                                                    cx,
3215                                                )
3216                                            })
3217                                        })
3218                                },
3219                            )),
3220                    )
3221                }),
3222        )
3223    }
3224
3225    fn render_load_error(
3226        &self,
3227        e: &LoadError,
3228        window: &mut Window,
3229        cx: &mut Context<Self>,
3230    ) -> AnyElement {
3231        let (title, message, action_slot): (_, SharedString, _) = match e {
3232            LoadError::Unsupported {
3233                command: path,
3234                current_version,
3235                minimum_version,
3236            } => {
3237                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3238            }
3239            LoadError::FailedToInstall(msg) => (
3240                "Failed to Install",
3241                msg.into(),
3242                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3243            ),
3244            LoadError::Exited { status } => (
3245                "Failed to Launch",
3246                format!("Server exited with status {status}").into(),
3247                None,
3248            ),
3249            LoadError::Other(msg) => (
3250                "Failed to Launch",
3251                msg.into(),
3252                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3253            ),
3254        };
3255
3256        Callout::new()
3257            .severity(Severity::Error)
3258            .icon(IconName::XCircleFilled)
3259            .title(title)
3260            .description(message)
3261            .actions_slot(div().children(action_slot))
3262            .into_any_element()
3263    }
3264
3265    fn render_unsupported(
3266        &self,
3267        path: &SharedString,
3268        version: &SharedString,
3269        minimum_version: &SharedString,
3270        _window: &mut Window,
3271        cx: &mut Context<Self>,
3272    ) -> AnyElement {
3273        let (heading_label, description_label) = (
3274            format!("Upgrade {} to work with Zed", self.agent.name()),
3275            if version.is_empty() {
3276                format!(
3277                    "Currently using {}, which does not report a valid --version",
3278                    path,
3279                )
3280            } else {
3281                format!(
3282                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3283                    path, version
3284                )
3285            },
3286        );
3287
3288        v_flex()
3289            .w_full()
3290            .p_3p5()
3291            .gap_2p5()
3292            .border_t_1()
3293            .border_color(cx.theme().colors().border)
3294            .bg(linear_gradient(
3295                180.,
3296                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3297                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3298            ))
3299            .child(
3300                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3301                    Label::new(description_label)
3302                        .size(LabelSize::Small)
3303                        .color(Color::Muted),
3304                ),
3305            )
3306            .into_any_element()
3307    }
3308
3309    fn render_activity_bar(
3310        &self,
3311        thread_entity: &Entity<AcpThread>,
3312        window: &mut Window,
3313        cx: &Context<Self>,
3314    ) -> Option<AnyElement> {
3315        let thread = thread_entity.read(cx);
3316        let action_log = thread.action_log();
3317        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3318        let plan = thread.plan();
3319
3320        if changed_buffers.is_empty() && plan.is_empty() {
3321            return None;
3322        }
3323
3324        let editor_bg_color = cx.theme().colors().editor_background;
3325        let active_color = cx.theme().colors().element_selected;
3326        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
3327
3328        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3329        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3330        // be, which blocks you from being able to accept or reject edits. This switches the
3331        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3332        // block you from using the panel.
3333        let pending_edits = false;
3334
3335        v_flex()
3336            .mt_1()
3337            .mx_2()
3338            .bg(bg_edit_files_disclosure)
3339            .border_1()
3340            .border_b_0()
3341            .border_color(cx.theme().colors().border)
3342            .rounded_t_md()
3343            .shadow(vec![gpui::BoxShadow {
3344                color: gpui::black().opacity(0.15),
3345                offset: point(px(1.), px(-1.)),
3346                blur_radius: px(3.),
3347                spread_radius: px(0.),
3348            }])
3349            .when(!plan.is_empty(), |this| {
3350                this.child(self.render_plan_summary(plan, window, cx))
3351                    .when(self.plan_expanded, |parent| {
3352                        parent.child(self.render_plan_entries(plan, window, cx))
3353                    })
3354            })
3355            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3356                this.child(Divider::horizontal().color(DividerColor::Border))
3357            })
3358            .when(!changed_buffers.is_empty(), |this| {
3359                this.child(self.render_edits_summary(
3360                    &changed_buffers,
3361                    self.edits_expanded,
3362                    pending_edits,
3363                    window,
3364                    cx,
3365                ))
3366                .when(self.edits_expanded, |parent| {
3367                    parent.child(self.render_edited_files(
3368                        action_log,
3369                        &changed_buffers,
3370                        pending_edits,
3371                        cx,
3372                    ))
3373                })
3374            })
3375            .into_any()
3376            .into()
3377    }
3378
3379    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3380        let stats = plan.stats();
3381
3382        let title = if let Some(entry) = stats.in_progress_entry
3383            && !self.plan_expanded
3384        {
3385            h_flex()
3386                .w_full()
3387                .cursor_default()
3388                .gap_1()
3389                .text_xs()
3390                .text_color(cx.theme().colors().text_muted)
3391                .justify_between()
3392                .child(
3393                    h_flex()
3394                        .gap_1()
3395                        .child(
3396                            Label::new("Current:")
3397                                .size(LabelSize::Small)
3398                                .color(Color::Muted),
3399                        )
3400                        .child(MarkdownElement::new(
3401                            entry.content.clone(),
3402                            plan_label_markdown_style(&entry.status, window, cx),
3403                        )),
3404                )
3405                .when(stats.pending > 0, |this| {
3406                    this.child(
3407                        Label::new(format!("{} left", stats.pending))
3408                            .size(LabelSize::Small)
3409                            .color(Color::Muted)
3410                            .mr_1(),
3411                    )
3412                })
3413        } else {
3414            let status_label = if stats.pending == 0 {
3415                "All Done".to_string()
3416            } else if stats.completed == 0 {
3417                format!("{} Tasks", plan.entries.len())
3418            } else {
3419                format!("{}/{}", stats.completed, plan.entries.len())
3420            };
3421
3422            h_flex()
3423                .w_full()
3424                .gap_1()
3425                .justify_between()
3426                .child(
3427                    Label::new("Plan")
3428                        .size(LabelSize::Small)
3429                        .color(Color::Muted),
3430                )
3431                .child(
3432                    Label::new(status_label)
3433                        .size(LabelSize::Small)
3434                        .color(Color::Muted)
3435                        .mr_1(),
3436                )
3437        };
3438
3439        h_flex()
3440            .p_1()
3441            .justify_between()
3442            .when(self.plan_expanded, |this| {
3443                this.border_b_1().border_color(cx.theme().colors().border)
3444            })
3445            .child(
3446                h_flex()
3447                    .id("plan_summary")
3448                    .w_full()
3449                    .gap_1()
3450                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3451                    .child(title)
3452                    .on_click(cx.listener(|this, _, _, cx| {
3453                        this.plan_expanded = !this.plan_expanded;
3454                        cx.notify();
3455                    })),
3456            )
3457    }
3458
3459    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3460        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3461            let element = h_flex()
3462                .py_1()
3463                .px_2()
3464                .gap_2()
3465                .justify_between()
3466                .bg(cx.theme().colors().editor_background)
3467                .when(index < plan.entries.len() - 1, |parent| {
3468                    parent.border_color(cx.theme().colors().border).border_b_1()
3469                })
3470                .child(
3471                    h_flex()
3472                        .id(("plan_entry", index))
3473                        .gap_1p5()
3474                        .max_w_full()
3475                        .overflow_x_scroll()
3476                        .text_xs()
3477                        .text_color(cx.theme().colors().text_muted)
3478                        .child(match entry.status {
3479                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3480                                .size(IconSize::Small)
3481                                .color(Color::Muted)
3482                                .into_any_element(),
3483                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3484                                .size(IconSize::Small)
3485                                .color(Color::Accent)
3486                                .with_rotate_animation(2)
3487                                .into_any_element(),
3488                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3489                                .size(IconSize::Small)
3490                                .color(Color::Success)
3491                                .into_any_element(),
3492                        })
3493                        .child(MarkdownElement::new(
3494                            entry.content.clone(),
3495                            plan_label_markdown_style(&entry.status, window, cx),
3496                        )),
3497                );
3498
3499            Some(element)
3500        }))
3501    }
3502
3503    fn render_edits_summary(
3504        &self,
3505        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3506        expanded: bool,
3507        pending_edits: bool,
3508        window: &mut Window,
3509        cx: &Context<Self>,
3510    ) -> Div {
3511        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3512
3513        let focus_handle = self.focus_handle(cx);
3514
3515        h_flex()
3516            .p_1()
3517            .justify_between()
3518            .flex_wrap()
3519            .when(expanded, |this| {
3520                this.border_b_1().border_color(cx.theme().colors().border)
3521            })
3522            .child(
3523                h_flex()
3524                    .id("edits-container")
3525                    .gap_1()
3526                    .child(Disclosure::new("edits-disclosure", expanded))
3527                    .map(|this| {
3528                        if pending_edits {
3529                            this.child(
3530                                Label::new(format!(
3531                                    "Editing {} {}",
3532                                    changed_buffers.len(),
3533                                    if changed_buffers.len() == 1 {
3534                                        "file"
3535                                    } else {
3536                                        "files"
3537                                    }
3538                                ))
3539                                .color(Color::Muted)
3540                                .size(LabelSize::Small)
3541                                .with_animation(
3542                                    "edit-label",
3543                                    Animation::new(Duration::from_secs(2))
3544                                        .repeat()
3545                                        .with_easing(pulsating_between(0.3, 0.7)),
3546                                    |label, delta| label.alpha(delta),
3547                                ),
3548                            )
3549                        } else {
3550                            this.child(
3551                                Label::new("Edits")
3552                                    .size(LabelSize::Small)
3553                                    .color(Color::Muted),
3554                            )
3555                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3556                            .child(
3557                                Label::new(format!(
3558                                    "{} {}",
3559                                    changed_buffers.len(),
3560                                    if changed_buffers.len() == 1 {
3561                                        "file"
3562                                    } else {
3563                                        "files"
3564                                    }
3565                                ))
3566                                .size(LabelSize::Small)
3567                                .color(Color::Muted),
3568                            )
3569                        }
3570                    })
3571                    .on_click(cx.listener(|this, _, _, cx| {
3572                        this.edits_expanded = !this.edits_expanded;
3573                        cx.notify();
3574                    })),
3575            )
3576            .child(
3577                h_flex()
3578                    .gap_1()
3579                    .child(
3580                        IconButton::new("review-changes", IconName::ListTodo)
3581                            .icon_size(IconSize::Small)
3582                            .tooltip({
3583                                let focus_handle = focus_handle.clone();
3584                                move |window, cx| {
3585                                    Tooltip::for_action_in(
3586                                        "Review Changes",
3587                                        &OpenAgentDiff,
3588                                        &focus_handle,
3589                                        window,
3590                                        cx,
3591                                    )
3592                                }
3593                            })
3594                            .on_click(cx.listener(|_, _, window, cx| {
3595                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3596                            })),
3597                    )
3598                    .child(Divider::vertical().color(DividerColor::Border))
3599                    .child(
3600                        Button::new("reject-all-changes", "Reject All")
3601                            .label_size(LabelSize::Small)
3602                            .disabled(pending_edits)
3603                            .when(pending_edits, |this| {
3604                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3605                            })
3606                            .key_binding(
3607                                KeyBinding::for_action_in(
3608                                    &RejectAll,
3609                                    &focus_handle.clone(),
3610                                    window,
3611                                    cx,
3612                                )
3613                                .map(|kb| kb.size(rems_from_px(10.))),
3614                            )
3615                            .on_click(cx.listener(move |this, _, window, cx| {
3616                                this.reject_all(&RejectAll, window, cx);
3617                            })),
3618                    )
3619                    .child(
3620                        Button::new("keep-all-changes", "Keep All")
3621                            .label_size(LabelSize::Small)
3622                            .disabled(pending_edits)
3623                            .when(pending_edits, |this| {
3624                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3625                            })
3626                            .key_binding(
3627                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3628                                    .map(|kb| kb.size(rems_from_px(10.))),
3629                            )
3630                            .on_click(cx.listener(move |this, _, window, cx| {
3631                                this.keep_all(&KeepAll, window, cx);
3632                            })),
3633                    ),
3634            )
3635    }
3636
3637    fn render_edited_files(
3638        &self,
3639        action_log: &Entity<ActionLog>,
3640        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3641        pending_edits: bool,
3642        cx: &Context<Self>,
3643    ) -> Div {
3644        let editor_bg_color = cx.theme().colors().editor_background;
3645
3646        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3647            |(index, (buffer, _diff))| {
3648                let file = buffer.read(cx).file()?;
3649                let path = file.path();
3650
3651                let file_path = path.parent().and_then(|parent| {
3652                    let parent_str = parent.to_string_lossy();
3653
3654                    if parent_str.is_empty() {
3655                        None
3656                    } else {
3657                        Some(
3658                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3659                                .color(Color::Muted)
3660                                .size(LabelSize::XSmall)
3661                                .buffer_font(cx),
3662                        )
3663                    }
3664                });
3665
3666                let file_name = path.file_name().map(|name| {
3667                    Label::new(name.to_string_lossy().to_string())
3668                        .size(LabelSize::XSmall)
3669                        .buffer_font(cx)
3670                });
3671
3672                let file_icon = FileIcons::get_icon(path, cx)
3673                    .map(Icon::from_path)
3674                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3675                    .unwrap_or_else(|| {
3676                        Icon::new(IconName::File)
3677                            .color(Color::Muted)
3678                            .size(IconSize::Small)
3679                    });
3680
3681                let overlay_gradient = linear_gradient(
3682                    90.,
3683                    linear_color_stop(editor_bg_color, 1.),
3684                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3685                );
3686
3687                let element = h_flex()
3688                    .group("edited-code")
3689                    .id(("file-container", index))
3690                    .py_1()
3691                    .pl_2()
3692                    .pr_1()
3693                    .gap_2()
3694                    .justify_between()
3695                    .bg(editor_bg_color)
3696                    .when(index < changed_buffers.len() - 1, |parent| {
3697                        parent.border_color(cx.theme().colors().border).border_b_1()
3698                    })
3699                    .child(
3700                        h_flex()
3701                            .relative()
3702                            .id(("file-name", index))
3703                            .pr_8()
3704                            .gap_1p5()
3705                            .max_w_full()
3706                            .overflow_x_scroll()
3707                            .child(file_icon)
3708                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3709                            .child(
3710                                div()
3711                                    .absolute()
3712                                    .h_full()
3713                                    .w_12()
3714                                    .top_0()
3715                                    .bottom_0()
3716                                    .right_0()
3717                                    .bg(overlay_gradient),
3718                            )
3719                            .on_click({
3720                                let buffer = buffer.clone();
3721                                cx.listener(move |this, _, window, cx| {
3722                                    this.open_edited_buffer(&buffer, window, cx);
3723                                })
3724                            }),
3725                    )
3726                    .child(
3727                        h_flex()
3728                            .gap_1()
3729                            .visible_on_hover("edited-code")
3730                            .child(
3731                                Button::new("review", "Review")
3732                                    .label_size(LabelSize::Small)
3733                                    .on_click({
3734                                        let buffer = buffer.clone();
3735                                        cx.listener(move |this, _, window, cx| {
3736                                            this.open_edited_buffer(&buffer, window, cx);
3737                                        })
3738                                    }),
3739                            )
3740                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3741                            .child(
3742                                Button::new("reject-file", "Reject")
3743                                    .label_size(LabelSize::Small)
3744                                    .disabled(pending_edits)
3745                                    .on_click({
3746                                        let buffer = buffer.clone();
3747                                        let action_log = action_log.clone();
3748                                        move |_, _, cx| {
3749                                            action_log.update(cx, |action_log, cx| {
3750                                                action_log
3751                                                    .reject_edits_in_ranges(
3752                                                        buffer.clone(),
3753                                                        vec![Anchor::MIN..Anchor::MAX],
3754                                                        cx,
3755                                                    )
3756                                                    .detach_and_log_err(cx);
3757                                            })
3758                                        }
3759                                    }),
3760                            )
3761                            .child(
3762                                Button::new("keep-file", "Keep")
3763                                    .label_size(LabelSize::Small)
3764                                    .disabled(pending_edits)
3765                                    .on_click({
3766                                        let buffer = buffer.clone();
3767                                        let action_log = action_log.clone();
3768                                        move |_, _, cx| {
3769                                            action_log.update(cx, |action_log, cx| {
3770                                                action_log.keep_edits_in_range(
3771                                                    buffer.clone(),
3772                                                    Anchor::MIN..Anchor::MAX,
3773                                                    cx,
3774                                                );
3775                                            })
3776                                        }
3777                                    }),
3778                            ),
3779                    );
3780
3781                Some(element)
3782            },
3783        ))
3784    }
3785
3786    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3787        let focus_handle = self.message_editor.focus_handle(cx);
3788        let editor_bg_color = cx.theme().colors().editor_background;
3789        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3790            (IconName::Minimize, "Minimize Message Editor")
3791        } else {
3792            (IconName::Maximize, "Expand Message Editor")
3793        };
3794
3795        let backdrop = div()
3796            .size_full()
3797            .absolute()
3798            .inset_0()
3799            .bg(cx.theme().colors().panel_background)
3800            .opacity(0.8)
3801            .block_mouse_except_scroll();
3802
3803        let enable_editor = match self.thread_state {
3804            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3805            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3806        };
3807
3808        v_flex()
3809            .on_action(cx.listener(Self::expand_message_editor))
3810            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3811                if let Some(profile_selector) = this.profile_selector.as_ref() {
3812                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3813                } else if let Some(mode_selector) = this.mode_selector() {
3814                    mode_selector.read(cx).menu_handle().toggle(window, cx);
3815                }
3816            }))
3817            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
3818                if let Some(mode_selector) = this.mode_selector() {
3819                    mode_selector.update(cx, |mode_selector, cx| {
3820                        mode_selector.cycle_mode(window, cx);
3821                    });
3822                }
3823            }))
3824            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3825                if let Some(model_selector) = this.model_selector.as_ref() {
3826                    model_selector
3827                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3828                }
3829            }))
3830            .p_2()
3831            .gap_2()
3832            .border_t_1()
3833            .border_color(cx.theme().colors().border)
3834            .bg(editor_bg_color)
3835            .when(self.editor_expanded, |this| {
3836                this.h(vh(0.8, window)).size_full().justify_between()
3837            })
3838            .child(
3839                v_flex()
3840                    .relative()
3841                    .size_full()
3842                    .pt_1()
3843                    .pr_2p5()
3844                    .child(self.message_editor.clone())
3845                    .child(
3846                        h_flex()
3847                            .absolute()
3848                            .top_0()
3849                            .right_0()
3850                            .opacity(0.5)
3851                            .hover(|this| this.opacity(1.0))
3852                            .child(
3853                                IconButton::new("toggle-height", expand_icon)
3854                                    .icon_size(IconSize::Small)
3855                                    .icon_color(Color::Muted)
3856                                    .tooltip({
3857                                        move |window, cx| {
3858                                            Tooltip::for_action_in(
3859                                                expand_tooltip,
3860                                                &ExpandMessageEditor,
3861                                                &focus_handle,
3862                                                window,
3863                                                cx,
3864                                            )
3865                                        }
3866                                    })
3867                                    .on_click(cx.listener(|_, _, window, cx| {
3868                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3869                                    })),
3870                            ),
3871                    ),
3872            )
3873            .child(
3874                h_flex()
3875                    .flex_none()
3876                    .flex_wrap()
3877                    .justify_between()
3878                    .child(
3879                        h_flex()
3880                            .child(self.render_follow_toggle(cx))
3881                            .children(self.render_burn_mode_toggle(cx)),
3882                    )
3883                    .child(
3884                        h_flex()
3885                            .gap_1()
3886                            .children(self.render_token_usage(cx))
3887                            .children(self.profile_selector.clone())
3888                            .children(self.mode_selector().cloned())
3889                            .children(self.model_selector.clone())
3890                            .child(self.render_send_button(cx)),
3891                    ),
3892            )
3893            .when(!enable_editor, |this| this.child(backdrop))
3894            .into_any()
3895    }
3896
3897    pub(crate) fn as_native_connection(
3898        &self,
3899        cx: &App,
3900    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3901        let acp_thread = self.thread()?.read(cx);
3902        acp_thread.connection().clone().downcast()
3903    }
3904
3905    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3906        let acp_thread = self.thread()?.read(cx);
3907        self.as_native_connection(cx)?
3908            .thread(acp_thread.session_id(), cx)
3909    }
3910
3911    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3912        self.as_native_thread(cx)
3913            .and_then(|thread| thread.read(cx).model())
3914            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3915    }
3916
3917    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3918        let thread = self.thread()?.read(cx);
3919        let usage = thread.token_usage()?;
3920        let is_generating = thread.status() != ThreadStatus::Idle;
3921
3922        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3923        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3924
3925        Some(
3926            h_flex()
3927                .flex_shrink_0()
3928                .gap_0p5()
3929                .mr_1p5()
3930                .child(
3931                    Label::new(used)
3932                        .size(LabelSize::Small)
3933                        .color(Color::Muted)
3934                        .map(|label| {
3935                            if is_generating {
3936                                label
3937                                    .with_animation(
3938                                        "used-tokens-label",
3939                                        Animation::new(Duration::from_secs(2))
3940                                            .repeat()
3941                                            .with_easing(pulsating_between(0.3, 0.8)),
3942                                        |label, delta| label.alpha(delta),
3943                                    )
3944                                    .into_any()
3945                            } else {
3946                                label.into_any_element()
3947                            }
3948                        }),
3949                )
3950                .child(
3951                    Label::new("/")
3952                        .size(LabelSize::Small)
3953                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3954                )
3955                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3956        )
3957    }
3958
3959    fn toggle_burn_mode(
3960        &mut self,
3961        _: &ToggleBurnMode,
3962        _window: &mut Window,
3963        cx: &mut Context<Self>,
3964    ) {
3965        let Some(thread) = self.as_native_thread(cx) else {
3966            return;
3967        };
3968
3969        thread.update(cx, |thread, cx| {
3970            let current_mode = thread.completion_mode();
3971            thread.set_completion_mode(
3972                match current_mode {
3973                    CompletionMode::Burn => CompletionMode::Normal,
3974                    CompletionMode::Normal => CompletionMode::Burn,
3975                },
3976                cx,
3977            );
3978        });
3979    }
3980
3981    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3982        let Some(thread) = self.thread() else {
3983            return;
3984        };
3985        let action_log = thread.read(cx).action_log().clone();
3986        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3987    }
3988
3989    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3990        let Some(thread) = self.thread() else {
3991            return;
3992        };
3993        let action_log = thread.read(cx).action_log().clone();
3994        action_log
3995            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3996            .detach();
3997    }
3998
3999    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4000        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4001    }
4002
4003    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4004        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4005    }
4006
4007    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4008        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4009    }
4010
4011    fn authorize_pending_tool_call(
4012        &mut self,
4013        kind: acp::PermissionOptionKind,
4014        window: &mut Window,
4015        cx: &mut Context<Self>,
4016    ) -> Option<()> {
4017        let thread = self.thread()?.read(cx);
4018        let tool_call = thread.first_tool_awaiting_confirmation()?;
4019        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4020            return None;
4021        };
4022        let option = options.iter().find(|o| o.kind == kind)?;
4023
4024        self.authorize_tool_call(
4025            tool_call.id.clone(),
4026            option.id.clone(),
4027            option.kind,
4028            window,
4029            cx,
4030        );
4031
4032        Some(())
4033    }
4034
4035    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4036        let thread = self.as_native_thread(cx)?.read(cx);
4037
4038        if thread
4039            .model()
4040            .is_none_or(|model| !model.supports_burn_mode())
4041        {
4042            return None;
4043        }
4044
4045        let active_completion_mode = thread.completion_mode();
4046        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4047        let icon = if burn_mode_enabled {
4048            IconName::ZedBurnModeOn
4049        } else {
4050            IconName::ZedBurnMode
4051        };
4052
4053        Some(
4054            IconButton::new("burn-mode", icon)
4055                .icon_size(IconSize::Small)
4056                .icon_color(Color::Muted)
4057                .toggle_state(burn_mode_enabled)
4058                .selected_icon_color(Color::Error)
4059                .on_click(cx.listener(|this, _event, window, cx| {
4060                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4061                }))
4062                .tooltip(move |_window, cx| {
4063                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4064                        .into()
4065                })
4066                .into_any_element(),
4067        )
4068    }
4069
4070    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4071        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4072        let is_generating = self
4073            .thread()
4074            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4075
4076        if self.is_loading_contents {
4077            div()
4078                .id("loading-message-content")
4079                .px_1()
4080                .tooltip(Tooltip::text("Loading Added Context…"))
4081                .child(loading_contents_spinner(IconSize::default()))
4082                .into_any_element()
4083        } else if is_generating && is_editor_empty {
4084            IconButton::new("stop-generation", IconName::Stop)
4085                .icon_color(Color::Error)
4086                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4087                .tooltip(move |window, cx| {
4088                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
4089                })
4090                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4091                .into_any_element()
4092        } else {
4093            let send_btn_tooltip = if is_editor_empty && !is_generating {
4094                "Type to Send"
4095            } else if is_generating {
4096                "Stop and Send Message"
4097            } else {
4098                "Send"
4099            };
4100
4101            IconButton::new("send-message", IconName::Send)
4102                .style(ButtonStyle::Filled)
4103                .map(|this| {
4104                    if is_editor_empty && !is_generating {
4105                        this.disabled(true).icon_color(Color::Muted)
4106                    } else {
4107                        this.icon_color(Color::Accent)
4108                    }
4109                })
4110                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
4111                .on_click(cx.listener(|this, _, window, cx| {
4112                    this.send(window, cx);
4113                }))
4114                .into_any_element()
4115        }
4116    }
4117
4118    fn is_following(&self, cx: &App) -> bool {
4119        match self.thread().map(|thread| thread.read(cx).status()) {
4120            Some(ThreadStatus::Generating) => self
4121                .workspace
4122                .read_with(cx, |workspace, _| {
4123                    workspace.is_being_followed(CollaboratorId::Agent)
4124                })
4125                .unwrap_or(false),
4126            _ => self.should_be_following,
4127        }
4128    }
4129
4130    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4131        let following = self.is_following(cx);
4132
4133        self.should_be_following = !following;
4134        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4135            self.workspace
4136                .update(cx, |workspace, cx| {
4137                    if following {
4138                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4139                    } else {
4140                        workspace.follow(CollaboratorId::Agent, window, cx);
4141                    }
4142                })
4143                .ok();
4144        }
4145
4146        telemetry::event!("Follow Agent Selected", following = !following);
4147    }
4148
4149    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4150        let following = self.is_following(cx);
4151
4152        let tooltip_label = if following {
4153            if self.agent.name() == "Zed Agent" {
4154                format!("Stop Following the {}", self.agent.name())
4155            } else {
4156                format!("Stop Following {}", self.agent.name())
4157            }
4158        } else {
4159            if self.agent.name() == "Zed Agent" {
4160                format!("Follow the {}", self.agent.name())
4161            } else {
4162                format!("Follow {}", self.agent.name())
4163            }
4164        };
4165
4166        IconButton::new("follow-agent", IconName::Crosshair)
4167            .icon_size(IconSize::Small)
4168            .icon_color(Color::Muted)
4169            .toggle_state(following)
4170            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4171            .tooltip(move |window, cx| {
4172                if following {
4173                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
4174                } else {
4175                    Tooltip::with_meta(
4176                        tooltip_label.clone(),
4177                        Some(&Follow),
4178                        "Track the agent's location as it reads and edits files.",
4179                        window,
4180                        cx,
4181                    )
4182                }
4183            })
4184            .on_click(cx.listener(move |this, _, window, cx| {
4185                this.toggle_following(window, cx);
4186            }))
4187    }
4188
4189    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4190        let workspace = self.workspace.clone();
4191        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4192            Self::open_link(text, &workspace, window, cx);
4193        })
4194    }
4195
4196    fn open_link(
4197        url: SharedString,
4198        workspace: &WeakEntity<Workspace>,
4199        window: &mut Window,
4200        cx: &mut App,
4201    ) {
4202        let Some(workspace) = workspace.upgrade() else {
4203            cx.open_url(&url);
4204            return;
4205        };
4206
4207        if let Some(mention) = MentionUri::parse(&url).log_err() {
4208            workspace.update(cx, |workspace, cx| match mention {
4209                MentionUri::File { abs_path } => {
4210                    let project = workspace.project();
4211                    let Some(path) =
4212                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4213                    else {
4214                        return;
4215                    };
4216
4217                    workspace
4218                        .open_path(path, None, true, window, cx)
4219                        .detach_and_log_err(cx);
4220                }
4221                MentionUri::PastedImage => {}
4222                MentionUri::Directory { abs_path } => {
4223                    let project = workspace.project();
4224                    let Some(entry_id) = project.update(cx, |project, cx| {
4225                        let path = project.find_project_path(abs_path, cx)?;
4226                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4227                    }) else {
4228                        return;
4229                    };
4230
4231                    project.update(cx, |_, cx| {
4232                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4233                    });
4234                }
4235                MentionUri::Symbol {
4236                    abs_path: path,
4237                    line_range,
4238                    ..
4239                }
4240                | MentionUri::Selection {
4241                    abs_path: Some(path),
4242                    line_range,
4243                } => {
4244                    let project = workspace.project();
4245                    let Some(path) =
4246                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4247                    else {
4248                        return;
4249                    };
4250
4251                    let item = workspace.open_path(path, None, true, window, cx);
4252                    window
4253                        .spawn(cx, async move |cx| {
4254                            let Some(editor) = item.await?.downcast::<Editor>() else {
4255                                return Ok(());
4256                            };
4257                            let range = Point::new(*line_range.start(), 0)
4258                                ..Point::new(*line_range.start(), 0);
4259                            editor
4260                                .update_in(cx, |editor, window, cx| {
4261                                    editor.change_selections(
4262                                        SelectionEffects::scroll(Autoscroll::center()),
4263                                        window,
4264                                        cx,
4265                                        |s| s.select_ranges(vec![range]),
4266                                    );
4267                                })
4268                                .ok();
4269                            anyhow::Ok(())
4270                        })
4271                        .detach_and_log_err(cx);
4272                }
4273                MentionUri::Selection { abs_path: None, .. } => {}
4274                MentionUri::Thread { id, name } => {
4275                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4276                        panel.update(cx, |panel, cx| {
4277                            panel.load_agent_thread(
4278                                DbThreadMetadata {
4279                                    id,
4280                                    title: name.into(),
4281                                    updated_at: Default::default(),
4282                                },
4283                                window,
4284                                cx,
4285                            )
4286                        });
4287                    }
4288                }
4289                MentionUri::TextThread { path, .. } => {
4290                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4291                        panel.update(cx, |panel, cx| {
4292                            panel
4293                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
4294                                .detach_and_log_err(cx);
4295                        });
4296                    }
4297                }
4298                MentionUri::Rule { id, .. } => {
4299                    let PromptId::User { uuid } = id else {
4300                        return;
4301                    };
4302                    window.dispatch_action(
4303                        Box::new(OpenRulesLibrary {
4304                            prompt_to_select: Some(uuid.0),
4305                        }),
4306                        cx,
4307                    )
4308                }
4309                MentionUri::Fetch { url } => {
4310                    cx.open_url(url.as_str());
4311                }
4312            })
4313        } else {
4314            cx.open_url(&url);
4315        }
4316    }
4317
4318    fn open_tool_call_location(
4319        &self,
4320        entry_ix: usize,
4321        location_ix: usize,
4322        window: &mut Window,
4323        cx: &mut Context<Self>,
4324    ) -> Option<()> {
4325        let (tool_call_location, agent_location) = self
4326            .thread()?
4327            .read(cx)
4328            .entries()
4329            .get(entry_ix)?
4330            .location(location_ix)?;
4331
4332        let project_path = self
4333            .project
4334            .read(cx)
4335            .find_project_path(&tool_call_location.path, cx)?;
4336
4337        let open_task = self
4338            .workspace
4339            .update(cx, |workspace, cx| {
4340                workspace.open_path(project_path, None, true, window, cx)
4341            })
4342            .log_err()?;
4343        window
4344            .spawn(cx, async move |cx| {
4345                let item = open_task.await?;
4346
4347                let Some(active_editor) = item.downcast::<Editor>() else {
4348                    return anyhow::Ok(());
4349                };
4350
4351                active_editor.update_in(cx, |editor, window, cx| {
4352                    let multibuffer = editor.buffer().read(cx);
4353                    let buffer = multibuffer.as_singleton();
4354                    if agent_location.buffer.upgrade() == buffer {
4355                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4356                        let anchor = editor::Anchor::in_buffer(
4357                            excerpt_id.unwrap(),
4358                            buffer.unwrap().read(cx).remote_id(),
4359                            agent_location.position,
4360                        );
4361                        editor.change_selections(Default::default(), window, cx, |selections| {
4362                            selections.select_anchor_ranges([anchor..anchor]);
4363                        })
4364                    } else {
4365                        let row = tool_call_location.line.unwrap_or_default();
4366                        editor.change_selections(Default::default(), window, cx, |selections| {
4367                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4368                        })
4369                    }
4370                })?;
4371
4372                anyhow::Ok(())
4373            })
4374            .detach_and_log_err(cx);
4375
4376        None
4377    }
4378
4379    pub fn open_thread_as_markdown(
4380        &self,
4381        workspace: Entity<Workspace>,
4382        window: &mut Window,
4383        cx: &mut App,
4384    ) -> Task<Result<()>> {
4385        let markdown_language_task = workspace
4386            .read(cx)
4387            .app_state()
4388            .languages
4389            .language_for_name("Markdown");
4390
4391        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4392            let thread = thread.read(cx);
4393            (thread.title().to_string(), thread.to_markdown(cx))
4394        } else {
4395            return Task::ready(Ok(()));
4396        };
4397
4398        window.spawn(cx, async move |cx| {
4399            let markdown_language = markdown_language_task.await?;
4400
4401            workspace.update_in(cx, |workspace, window, cx| {
4402                let project = workspace.project().clone();
4403
4404                if !project.read(cx).is_local() {
4405                    bail!("failed to open active thread as markdown in remote project");
4406                }
4407
4408                let buffer = project.update(cx, |project, cx| {
4409                    project.create_local_buffer(&markdown, Some(markdown_language), true, cx)
4410                });
4411                let buffer = cx.new(|cx| {
4412                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4413                });
4414
4415                workspace.add_item_to_active_pane(
4416                    Box::new(cx.new(|cx| {
4417                        let mut editor =
4418                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4419                        editor.set_breadcrumb_header(thread_summary);
4420                        editor
4421                    })),
4422                    None,
4423                    true,
4424                    window,
4425                    cx,
4426                );
4427
4428                anyhow::Ok(())
4429            })??;
4430            anyhow::Ok(())
4431        })
4432    }
4433
4434    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4435        self.list_state.scroll_to(ListOffset::default());
4436        cx.notify();
4437    }
4438
4439    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4440        if let Some(thread) = self.thread() {
4441            let entry_count = thread.read(cx).entries().len();
4442            self.list_state.reset(entry_count);
4443            cx.notify();
4444        }
4445    }
4446
4447    fn notify_with_sound(
4448        &mut self,
4449        caption: impl Into<SharedString>,
4450        icon: IconName,
4451        window: &mut Window,
4452        cx: &mut Context<Self>,
4453    ) {
4454        self.play_notification_sound(window, cx);
4455        self.show_notification(caption, icon, window, cx);
4456    }
4457
4458    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4459        let settings = AgentSettings::get_global(cx);
4460        if settings.play_sound_when_agent_done && !window.is_window_active() {
4461            Audio::play_sound(Sound::AgentDone, cx);
4462        }
4463    }
4464
4465    fn show_notification(
4466        &mut self,
4467        caption: impl Into<SharedString>,
4468        icon: IconName,
4469        window: &mut Window,
4470        cx: &mut Context<Self>,
4471    ) {
4472        if window.is_window_active() || !self.notifications.is_empty() {
4473            return;
4474        }
4475
4476        // TODO: Change this once we have title summarization for external agents.
4477        let title = self.agent.name();
4478
4479        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4480            NotifyWhenAgentWaiting::PrimaryScreen => {
4481                if let Some(primary) = cx.primary_display() {
4482                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4483                }
4484            }
4485            NotifyWhenAgentWaiting::AllScreens => {
4486                let caption = caption.into();
4487                for screen in cx.displays() {
4488                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4489                }
4490            }
4491            NotifyWhenAgentWaiting::Never => {
4492                // Don't show anything
4493            }
4494        }
4495    }
4496
4497    fn pop_up(
4498        &mut self,
4499        icon: IconName,
4500        caption: SharedString,
4501        title: SharedString,
4502        window: &mut Window,
4503        screen: Rc<dyn PlatformDisplay>,
4504        cx: &mut Context<Self>,
4505    ) {
4506        let options = AgentNotification::window_options(screen, cx);
4507
4508        let project_name = self.workspace.upgrade().and_then(|workspace| {
4509            workspace
4510                .read(cx)
4511                .project()
4512                .read(cx)
4513                .visible_worktrees(cx)
4514                .next()
4515                .map(|worktree| worktree.read(cx).root_name().to_string())
4516        });
4517
4518        if let Some(screen_window) = cx
4519            .open_window(options, |_, cx| {
4520                cx.new(|_| {
4521                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4522                })
4523            })
4524            .log_err()
4525            && let Some(pop_up) = screen_window.entity(cx).log_err()
4526        {
4527            self.notification_subscriptions
4528                .entry(screen_window)
4529                .or_insert_with(Vec::new)
4530                .push(cx.subscribe_in(&pop_up, window, {
4531                    |this, _, event, window, cx| match event {
4532                        AgentNotificationEvent::Accepted => {
4533                            let handle = window.window_handle();
4534                            cx.activate(true);
4535
4536                            let workspace_handle = this.workspace.clone();
4537
4538                            // If there are multiple Zed windows, activate the correct one.
4539                            cx.defer(move |cx| {
4540                                handle
4541                                    .update(cx, |_view, window, _cx| {
4542                                        window.activate_window();
4543
4544                                        if let Some(workspace) = workspace_handle.upgrade() {
4545                                            workspace.update(_cx, |workspace, cx| {
4546                                                workspace.focus_panel::<AgentPanel>(window, cx);
4547                                            });
4548                                        }
4549                                    })
4550                                    .log_err();
4551                            });
4552
4553                            this.dismiss_notifications(cx);
4554                        }
4555                        AgentNotificationEvent::Dismissed => {
4556                            this.dismiss_notifications(cx);
4557                        }
4558                    }
4559                }));
4560
4561            self.notifications.push(screen_window);
4562
4563            // If the user manually refocuses the original window, dismiss the popup.
4564            self.notification_subscriptions
4565                .entry(screen_window)
4566                .or_insert_with(Vec::new)
4567                .push({
4568                    let pop_up_weak = pop_up.downgrade();
4569
4570                    cx.observe_window_activation(window, move |_, window, cx| {
4571                        if window.is_window_active()
4572                            && let Some(pop_up) = pop_up_weak.upgrade()
4573                        {
4574                            pop_up.update(cx, |_, cx| {
4575                                cx.emit(AgentNotificationEvent::Dismissed);
4576                            });
4577                        }
4578                    })
4579                });
4580        }
4581    }
4582
4583    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4584        for window in self.notifications.drain(..) {
4585            window
4586                .update(cx, |_, window, _| {
4587                    window.remove_window();
4588                })
4589                .ok();
4590
4591            self.notification_subscriptions.remove(&window);
4592        }
4593    }
4594
4595    fn render_thread_controls(
4596        &self,
4597        thread: &Entity<AcpThread>,
4598        cx: &Context<Self>,
4599    ) -> impl IntoElement {
4600        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4601        if is_generating {
4602            return h_flex().id("thread-controls-container").child(
4603                div()
4604                    .py_2()
4605                    .px(rems_from_px(22.))
4606                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4607            );
4608        }
4609
4610        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4611            .shape(ui::IconButtonShape::Square)
4612            .icon_size(IconSize::Small)
4613            .icon_color(Color::Ignored)
4614            .tooltip(Tooltip::text("Open Thread as Markdown"))
4615            .on_click(cx.listener(move |this, _, window, cx| {
4616                if let Some(workspace) = this.workspace.upgrade() {
4617                    this.open_thread_as_markdown(workspace, window, cx)
4618                        .detach_and_log_err(cx);
4619                }
4620            }));
4621
4622        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4623            .shape(ui::IconButtonShape::Square)
4624            .icon_size(IconSize::Small)
4625            .icon_color(Color::Ignored)
4626            .tooltip(Tooltip::text("Scroll To Top"))
4627            .on_click(cx.listener(move |this, _, _, cx| {
4628                this.scroll_to_top(cx);
4629            }));
4630
4631        let mut container = h_flex()
4632            .id("thread-controls-container")
4633            .group("thread-controls-container")
4634            .w_full()
4635            .py_2()
4636            .px_5()
4637            .gap_px()
4638            .opacity(0.6)
4639            .hover(|style| style.opacity(1.))
4640            .flex_wrap()
4641            .justify_end();
4642
4643        if AgentSettings::get_global(cx).enable_feedback
4644            && self
4645                .thread()
4646                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4647        {
4648            let feedback = self.thread_feedback.feedback;
4649
4650            container = container
4651                .child(
4652                    div().visible_on_hover("thread-controls-container").child(
4653                        Label::new(match feedback {
4654                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4655                            Some(ThreadFeedback::Negative) => {
4656                                "We appreciate your feedback and will use it to improve."
4657                            }
4658                            None => {
4659                                "Rating the thread sends all of your current conversation to the Zed team."
4660                            }
4661                        })
4662                        .color(Color::Muted)
4663                        .size(LabelSize::XSmall)
4664                        .truncate(),
4665                    ),
4666                )
4667                .child(
4668                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4669                        .shape(ui::IconButtonShape::Square)
4670                        .icon_size(IconSize::Small)
4671                        .icon_color(match feedback {
4672                            Some(ThreadFeedback::Positive) => Color::Accent,
4673                            _ => Color::Ignored,
4674                        })
4675                        .tooltip(Tooltip::text("Helpful Response"))
4676                        .on_click(cx.listener(move |this, _, window, cx| {
4677                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4678                        })),
4679                )
4680                .child(
4681                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4682                        .shape(ui::IconButtonShape::Square)
4683                        .icon_size(IconSize::Small)
4684                        .icon_color(match feedback {
4685                            Some(ThreadFeedback::Negative) => Color::Accent,
4686                            _ => Color::Ignored,
4687                        })
4688                        .tooltip(Tooltip::text("Not Helpful"))
4689                        .on_click(cx.listener(move |this, _, window, cx| {
4690                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4691                        })),
4692                );
4693        }
4694
4695        container.child(open_as_markdown).child(scroll_to_top)
4696    }
4697
4698    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4699        h_flex()
4700            .key_context("AgentFeedbackMessageEditor")
4701            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4702                this.thread_feedback.dismiss_comments();
4703                cx.notify();
4704            }))
4705            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4706                this.submit_feedback_message(cx);
4707            }))
4708            .p_2()
4709            .mb_2()
4710            .mx_5()
4711            .gap_1()
4712            .rounded_md()
4713            .border_1()
4714            .border_color(cx.theme().colors().border)
4715            .bg(cx.theme().colors().editor_background)
4716            .child(div().w_full().child(editor))
4717            .child(
4718                h_flex()
4719                    .child(
4720                        IconButton::new("dismiss-feedback-message", IconName::Close)
4721                            .icon_color(Color::Error)
4722                            .icon_size(IconSize::XSmall)
4723                            .shape(ui::IconButtonShape::Square)
4724                            .on_click(cx.listener(move |this, _, _window, cx| {
4725                                this.thread_feedback.dismiss_comments();
4726                                cx.notify();
4727                            })),
4728                    )
4729                    .child(
4730                        IconButton::new("submit-feedback-message", IconName::Return)
4731                            .icon_size(IconSize::XSmall)
4732                            .shape(ui::IconButtonShape::Square)
4733                            .on_click(cx.listener(move |this, _, _window, cx| {
4734                                this.submit_feedback_message(cx);
4735                            })),
4736                    ),
4737            )
4738    }
4739
4740    fn handle_feedback_click(
4741        &mut self,
4742        feedback: ThreadFeedback,
4743        window: &mut Window,
4744        cx: &mut Context<Self>,
4745    ) {
4746        let Some(thread) = self.thread().cloned() else {
4747            return;
4748        };
4749
4750        self.thread_feedback.submit(thread, feedback, window, cx);
4751        cx.notify();
4752    }
4753
4754    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4755        let Some(thread) = self.thread().cloned() else {
4756            return;
4757        };
4758
4759        self.thread_feedback.submit_comments(thread, cx);
4760        cx.notify();
4761    }
4762
4763    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4764        div()
4765            .id("acp-thread-scrollbar")
4766            .occlude()
4767            .on_mouse_move(cx.listener(|_, _, _, cx| {
4768                cx.notify();
4769                cx.stop_propagation()
4770            }))
4771            .on_hover(|_, _, cx| {
4772                cx.stop_propagation();
4773            })
4774            .on_any_mouse_down(|_, _, cx| {
4775                cx.stop_propagation();
4776            })
4777            .on_mouse_up(
4778                MouseButton::Left,
4779                cx.listener(|_, _, _, cx| {
4780                    cx.stop_propagation();
4781                }),
4782            )
4783            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4784                cx.notify();
4785            }))
4786            .h_full()
4787            .absolute()
4788            .right_1()
4789            .top_1()
4790            .bottom_0()
4791            .w(px(12.))
4792            .cursor_default()
4793            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4794    }
4795
4796    fn render_token_limit_callout(
4797        &self,
4798        line_height: Pixels,
4799        cx: &mut Context<Self>,
4800    ) -> Option<Callout> {
4801        let token_usage = self.thread()?.read(cx).token_usage()?;
4802        let ratio = token_usage.ratio();
4803
4804        let (severity, title) = match ratio {
4805            acp_thread::TokenUsageRatio::Normal => return None,
4806            acp_thread::TokenUsageRatio::Warning => {
4807                (Severity::Warning, "Thread reaching the token limit soon")
4808            }
4809            acp_thread::TokenUsageRatio::Exceeded => {
4810                (Severity::Error, "Thread reached the token limit")
4811            }
4812        };
4813
4814        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4815            thread.read(cx).completion_mode() == CompletionMode::Normal
4816                && thread
4817                    .read(cx)
4818                    .model()
4819                    .is_some_and(|model| model.supports_burn_mode())
4820        });
4821
4822        let description = if burn_mode_available {
4823            "To continue, start a new thread from a summary or turn Burn Mode on."
4824        } else {
4825            "To continue, start a new thread from a summary."
4826        };
4827
4828        Some(
4829            Callout::new()
4830                .severity(severity)
4831                .line_height(line_height)
4832                .title(title)
4833                .description(description)
4834                .actions_slot(
4835                    h_flex()
4836                        .gap_0p5()
4837                        .child(
4838                            Button::new("start-new-thread", "Start New Thread")
4839                                .label_size(LabelSize::Small)
4840                                .on_click(cx.listener(|this, _, window, cx| {
4841                                    let Some(thread) = this.thread() else {
4842                                        return;
4843                                    };
4844                                    let session_id = thread.read(cx).session_id().clone();
4845                                    window.dispatch_action(
4846                                        crate::NewNativeAgentThreadFromSummary {
4847                                            from_session_id: session_id,
4848                                        }
4849                                        .boxed_clone(),
4850                                        cx,
4851                                    );
4852                                })),
4853                        )
4854                        .when(burn_mode_available, |this| {
4855                            this.child(
4856                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4857                                    .icon_size(IconSize::XSmall)
4858                                    .on_click(cx.listener(|this, _event, window, cx| {
4859                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4860                                    })),
4861                            )
4862                        }),
4863                ),
4864        )
4865    }
4866
4867    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4868        if !self.is_using_zed_ai_models(cx) {
4869            return None;
4870        }
4871
4872        let user_store = self.project.read(cx).user_store().read(cx);
4873        if user_store.is_usage_based_billing_enabled() {
4874            return None;
4875        }
4876
4877        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4878
4879        let usage = user_store.model_request_usage()?;
4880
4881        Some(
4882            div()
4883                .child(UsageCallout::new(plan, usage))
4884                .line_height(line_height),
4885        )
4886    }
4887
4888    fn agent_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4889        self.entry_view_state.update(cx, |entry_view_state, cx| {
4890            entry_view_state.agent_font_size_changed(cx);
4891        });
4892    }
4893
4894    pub(crate) fn insert_dragged_files(
4895        &self,
4896        paths: Vec<project::ProjectPath>,
4897        added_worktrees: Vec<Entity<project::Worktree>>,
4898        window: &mut Window,
4899        cx: &mut Context<Self>,
4900    ) {
4901        self.message_editor.update(cx, |message_editor, cx| {
4902            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4903        })
4904    }
4905
4906    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4907        self.message_editor.update(cx, |message_editor, cx| {
4908            message_editor.insert_selections(window, cx);
4909        })
4910    }
4911
4912    fn render_thread_retry_status_callout(
4913        &self,
4914        _window: &mut Window,
4915        _cx: &mut Context<Self>,
4916    ) -> Option<Callout> {
4917        let state = self.thread_retry_status.as_ref()?;
4918
4919        let next_attempt_in = state
4920            .duration
4921            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4922        if next_attempt_in.is_zero() {
4923            return None;
4924        }
4925
4926        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4927
4928        let retry_message = if state.max_attempts == 1 {
4929            if next_attempt_in_secs == 1 {
4930                "Retrying. Next attempt in 1 second.".to_string()
4931            } else {
4932                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4933            }
4934        } else if next_attempt_in_secs == 1 {
4935            format!(
4936                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4937                state.attempt, state.max_attempts,
4938            )
4939        } else {
4940            format!(
4941                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4942                state.attempt, state.max_attempts,
4943            )
4944        };
4945
4946        Some(
4947            Callout::new()
4948                .severity(Severity::Warning)
4949                .title(state.last_error.clone())
4950                .description(retry_message),
4951        )
4952    }
4953
4954    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4955        let content = match self.thread_error.as_ref()? {
4956            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4957            ThreadError::Refusal => self.render_refusal_error(cx),
4958            ThreadError::AuthenticationRequired(error) => {
4959                self.render_authentication_required_error(error.clone(), cx)
4960            }
4961            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4962            ThreadError::ModelRequestLimitReached(plan) => {
4963                self.render_model_request_limit_reached_error(*plan, cx)
4964            }
4965            ThreadError::ToolUseLimitReached => {
4966                self.render_tool_use_limit_reached_error(window, cx)?
4967            }
4968        };
4969
4970        Some(div().child(content))
4971    }
4972
4973    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
4974        v_flex().w_full().justify_end().child(
4975            h_flex()
4976                .p_2()
4977                .pr_3()
4978                .w_full()
4979                .gap_1p5()
4980                .border_t_1()
4981                .border_color(cx.theme().colors().border)
4982                .bg(cx.theme().colors().element_background)
4983                .child(
4984                    h_flex()
4985                        .flex_1()
4986                        .gap_1p5()
4987                        .child(
4988                            Icon::new(IconName::Download)
4989                                .color(Color::Accent)
4990                                .size(IconSize::Small),
4991                        )
4992                        .child(Label::new("New version available").size(LabelSize::Small)),
4993                )
4994                .child(
4995                    Button::new("update-button", format!("Update to v{}", version))
4996                        .label_size(LabelSize::Small)
4997                        .style(ButtonStyle::Tinted(TintColor::Accent))
4998                        .on_click(cx.listener(|this, _, window, cx| {
4999                            this.reset(window, cx);
5000                        })),
5001                ),
5002        )
5003    }
5004
5005    fn get_current_model_name(&self, cx: &App) -> SharedString {
5006        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5007        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5008        // This provides better clarity about what refused the request
5009        if self
5010            .agent
5011            .clone()
5012            .downcast::<agent2::NativeAgentServer>()
5013            .is_some()
5014        {
5015            // Native agent - use the model name
5016            self.model_selector
5017                .as_ref()
5018                .and_then(|selector| selector.read(cx).active_model_name(cx))
5019                .unwrap_or_else(|| SharedString::from("The model"))
5020        } else {
5021            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5022            self.agent.name()
5023        }
5024    }
5025
5026    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5027        let model_or_agent_name = self.get_current_model_name(cx);
5028        let refusal_message = format!(
5029            "{} 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.",
5030            model_or_agent_name
5031        );
5032
5033        Callout::new()
5034            .severity(Severity::Error)
5035            .title("Request Refused")
5036            .icon(IconName::XCircle)
5037            .description(refusal_message.clone())
5038            .actions_slot(self.create_copy_button(&refusal_message))
5039            .dismiss_action(self.dismiss_error_button(cx))
5040    }
5041
5042    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
5043        let can_resume = self
5044            .thread()
5045            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5046
5047        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5048            let thread = thread.read(cx);
5049            let supports_burn_mode = thread
5050                .model()
5051                .map_or(false, |model| model.supports_burn_mode());
5052            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5053        });
5054
5055        Callout::new()
5056            .severity(Severity::Error)
5057            .title("Error")
5058            .icon(IconName::XCircle)
5059            .description(error.clone())
5060            .actions_slot(
5061                h_flex()
5062                    .gap_0p5()
5063                    .when(can_resume && can_enable_burn_mode, |this| {
5064                        this.child(
5065                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5066                                .icon(IconName::ZedBurnMode)
5067                                .icon_position(IconPosition::Start)
5068                                .icon_size(IconSize::Small)
5069                                .label_size(LabelSize::Small)
5070                                .on_click(cx.listener(|this, _, window, cx| {
5071                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5072                                    this.resume_chat(cx);
5073                                })),
5074                        )
5075                    })
5076                    .when(can_resume, |this| {
5077                        this.child(
5078                            Button::new("retry", "Retry")
5079                                .icon(IconName::RotateCw)
5080                                .icon_position(IconPosition::Start)
5081                                .icon_size(IconSize::Small)
5082                                .label_size(LabelSize::Small)
5083                                .on_click(cx.listener(|this, _, _window, cx| {
5084                                    this.resume_chat(cx);
5085                                })),
5086                        )
5087                    })
5088                    .child(self.create_copy_button(error.to_string())),
5089            )
5090            .dismiss_action(self.dismiss_error_button(cx))
5091    }
5092
5093    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5094        const ERROR_MESSAGE: &str =
5095            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5096
5097        Callout::new()
5098            .severity(Severity::Error)
5099            .icon(IconName::XCircle)
5100            .title("Free Usage Exceeded")
5101            .description(ERROR_MESSAGE)
5102            .actions_slot(
5103                h_flex()
5104                    .gap_0p5()
5105                    .child(self.upgrade_button(cx))
5106                    .child(self.create_copy_button(ERROR_MESSAGE)),
5107            )
5108            .dismiss_action(self.dismiss_error_button(cx))
5109    }
5110
5111    fn render_authentication_required_error(
5112        &self,
5113        error: SharedString,
5114        cx: &mut Context<Self>,
5115    ) -> Callout {
5116        Callout::new()
5117            .severity(Severity::Error)
5118            .title("Authentication Required")
5119            .icon(IconName::XCircle)
5120            .description(error.clone())
5121            .actions_slot(
5122                h_flex()
5123                    .gap_0p5()
5124                    .child(self.authenticate_button(cx))
5125                    .child(self.create_copy_button(error)),
5126            )
5127            .dismiss_action(self.dismiss_error_button(cx))
5128    }
5129
5130    fn render_model_request_limit_reached_error(
5131        &self,
5132        plan: cloud_llm_client::Plan,
5133        cx: &mut Context<Self>,
5134    ) -> Callout {
5135        let error_message = match plan {
5136            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
5137            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
5138                "Upgrade to Zed Pro for more prompts."
5139            }
5140            cloud_llm_client::Plan::ZedProV2
5141            | cloud_llm_client::Plan::ZedProTrialV2
5142            | cloud_llm_client::Plan::ZedFreeV2 => "",
5143        };
5144
5145        Callout::new()
5146            .severity(Severity::Error)
5147            .title("Model Prompt Limit Reached")
5148            .icon(IconName::XCircle)
5149            .description(error_message)
5150            .actions_slot(
5151                h_flex()
5152                    .gap_0p5()
5153                    .child(self.upgrade_button(cx))
5154                    .child(self.create_copy_button(error_message)),
5155            )
5156            .dismiss_action(self.dismiss_error_button(cx))
5157    }
5158
5159    fn render_tool_use_limit_reached_error(
5160        &self,
5161        window: &mut Window,
5162        cx: &mut Context<Self>,
5163    ) -> Option<Callout> {
5164        let thread = self.as_native_thread(cx)?;
5165        let supports_burn_mode = thread
5166            .read(cx)
5167            .model()
5168            .is_some_and(|model| model.supports_burn_mode());
5169
5170        let focus_handle = self.focus_handle(cx);
5171
5172        Some(
5173            Callout::new()
5174                .icon(IconName::Info)
5175                .title("Consecutive tool use limit reached.")
5176                .actions_slot(
5177                    h_flex()
5178                        .gap_0p5()
5179                        .when(supports_burn_mode, |this| {
5180                            this.child(
5181                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5182                                    .style(ButtonStyle::Filled)
5183                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5184                                    .layer(ElevationIndex::ModalSurface)
5185                                    .label_size(LabelSize::Small)
5186                                    .key_binding(
5187                                        KeyBinding::for_action_in(
5188                                            &ContinueWithBurnMode,
5189                                            &focus_handle,
5190                                            window,
5191                                            cx,
5192                                        )
5193                                        .map(|kb| kb.size(rems_from_px(10.))),
5194                                    )
5195                                    .tooltip(Tooltip::text(
5196                                        "Enable Burn Mode for unlimited tool use.",
5197                                    ))
5198                                    .on_click({
5199                                        cx.listener(move |this, _, _window, cx| {
5200                                            thread.update(cx, |thread, cx| {
5201                                                thread
5202                                                    .set_completion_mode(CompletionMode::Burn, cx);
5203                                            });
5204                                            this.resume_chat(cx);
5205                                        })
5206                                    }),
5207                            )
5208                        })
5209                        .child(
5210                            Button::new("continue-conversation", "Continue")
5211                                .layer(ElevationIndex::ModalSurface)
5212                                .label_size(LabelSize::Small)
5213                                .key_binding(
5214                                    KeyBinding::for_action_in(
5215                                        &ContinueThread,
5216                                        &focus_handle,
5217                                        window,
5218                                        cx,
5219                                    )
5220                                    .map(|kb| kb.size(rems_from_px(10.))),
5221                                )
5222                                .on_click(cx.listener(|this, _, _window, cx| {
5223                                    this.resume_chat(cx);
5224                                })),
5225                        ),
5226                ),
5227        )
5228    }
5229
5230    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5231        let message = message.into();
5232
5233        IconButton::new("copy", IconName::Copy)
5234            .icon_size(IconSize::Small)
5235            .icon_color(Color::Muted)
5236            .tooltip(Tooltip::text("Copy Error Message"))
5237            .on_click(move |_, _, cx| {
5238                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5239            })
5240    }
5241
5242    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5243        IconButton::new("dismiss", IconName::Close)
5244            .icon_size(IconSize::Small)
5245            .icon_color(Color::Muted)
5246            .tooltip(Tooltip::text("Dismiss Error"))
5247            .on_click(cx.listener({
5248                move |this, _, _, cx| {
5249                    this.clear_thread_error(cx);
5250                    cx.notify();
5251                }
5252            }))
5253    }
5254
5255    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5256        Button::new("authenticate", "Authenticate")
5257            .label_size(LabelSize::Small)
5258            .style(ButtonStyle::Filled)
5259            .on_click(cx.listener({
5260                move |this, _, window, cx| {
5261                    let agent = this.agent.clone();
5262                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5263                        return;
5264                    };
5265
5266                    let connection = thread.read(cx).connection().clone();
5267                    let err = AuthRequired {
5268                        description: None,
5269                        provider_id: None,
5270                    };
5271                    this.clear_thread_error(cx);
5272                    let this = cx.weak_entity();
5273                    window.defer(cx, |window, cx| {
5274                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5275                    })
5276                }
5277            }))
5278    }
5279
5280    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5281        let agent = self.agent.clone();
5282        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5283            return;
5284        };
5285
5286        let connection = thread.read(cx).connection().clone();
5287        let err = AuthRequired {
5288            description: None,
5289            provider_id: None,
5290        };
5291        self.clear_thread_error(cx);
5292        let this = cx.weak_entity();
5293        window.defer(cx, |window, cx| {
5294            Self::handle_auth_required(this, err, agent, connection, window, cx);
5295        })
5296    }
5297
5298    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5299        Button::new("upgrade", "Upgrade")
5300            .label_size(LabelSize::Small)
5301            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5302            .on_click(cx.listener({
5303                move |this, _, _, cx| {
5304                    this.clear_thread_error(cx);
5305                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5306                }
5307            }))
5308    }
5309
5310    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5311        let task = match entry {
5312            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5313                history.delete_thread(thread.id.clone(), cx)
5314            }),
5315            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
5316                history.delete_text_thread(context.path.clone(), cx)
5317            }),
5318        };
5319        task.detach_and_log_err(cx);
5320    }
5321}
5322
5323fn loading_contents_spinner(size: IconSize) -> AnyElement {
5324    Icon::new(IconName::LoadCircle)
5325        .size(size)
5326        .color(Color::Accent)
5327        .with_rotate_animation(3)
5328        .into_any_element()
5329}
5330
5331impl Focusable for AcpThreadView {
5332    fn focus_handle(&self, cx: &App) -> FocusHandle {
5333        match self.thread_state {
5334            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5335                self.message_editor.focus_handle(cx)
5336            }
5337            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5338                self.focus_handle.clone()
5339            }
5340        }
5341    }
5342}
5343
5344impl Render for AcpThreadView {
5345    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5346        let has_messages = self.list_state.item_count() > 0;
5347        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5348
5349        v_flex()
5350            .size_full()
5351            .key_context("AcpThread")
5352            .on_action(cx.listener(Self::open_agent_diff))
5353            .on_action(cx.listener(Self::toggle_burn_mode))
5354            .on_action(cx.listener(Self::keep_all))
5355            .on_action(cx.listener(Self::reject_all))
5356            .on_action(cx.listener(Self::allow_always))
5357            .on_action(cx.listener(Self::allow_once))
5358            .on_action(cx.listener(Self::reject_once))
5359            .track_focus(&self.focus_handle)
5360            .bg(cx.theme().colors().panel_background)
5361            .child(match &self.thread_state {
5362                ThreadState::Unauthenticated {
5363                    connection,
5364                    description,
5365                    configuration_view,
5366                    pending_auth_method,
5367                    ..
5368                } => self.render_auth_required_state(
5369                    connection,
5370                    description.as_ref(),
5371                    configuration_view.as_ref(),
5372                    pending_auth_method.as_ref(),
5373                    window,
5374                    cx,
5375                ),
5376                ThreadState::Loading { .. } => v_flex()
5377                    .flex_1()
5378                    .child(self.render_recent_history(window, cx)),
5379                ThreadState::LoadError(e) => v_flex()
5380                    .flex_1()
5381                    .size_full()
5382                    .items_center()
5383                    .justify_end()
5384                    .child(self.render_load_error(e, window, cx)),
5385                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5386                    if has_messages {
5387                        this.child(
5388                            list(
5389                                self.list_state.clone(),
5390                                cx.processor(|this, index: usize, window, cx| {
5391                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5392                                        let entries = &thread.read(cx).entries();
5393                                        Some((entries.get(index)?, entries.len()))
5394                                    }) else {
5395                                        return Empty.into_any();
5396                                    };
5397                                    this.render_entry(index, len, entry, window, cx)
5398                                }),
5399                            )
5400                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5401                            .flex_grow()
5402                            .into_any(),
5403                        )
5404                        .child(self.render_vertical_scrollbar(cx))
5405                    } else {
5406                        this.child(self.render_recent_history(window, cx))
5407                    }
5408                }),
5409            })
5410            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5411            // above so that the scrollbar doesn't render behind it. The current setup allows
5412            // the scrollbar to stop exactly at the activity bar start.
5413            .when(has_messages, |this| match &self.thread_state {
5414                ThreadState::Ready { thread, .. } => {
5415                    this.children(self.render_activity_bar(thread, window, cx))
5416                }
5417                _ => this,
5418            })
5419            .children(self.render_thread_retry_status_callout(window, cx))
5420            .children(self.render_thread_error(window, cx))
5421            .when_some(
5422                self.new_server_version_available.as_ref().filter(|_| {
5423                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5424                }),
5425                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5426            )
5427            .children(
5428                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5429                    Some(usage_callout.into_any_element())
5430                } else {
5431                    self.render_token_limit_callout(line_height, cx)
5432                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5433                },
5434            )
5435            .child(self.render_message_editor(window, cx))
5436    }
5437}
5438
5439fn default_markdown_style(
5440    buffer_font: bool,
5441    muted_text: bool,
5442    window: &Window,
5443    cx: &App,
5444) -> MarkdownStyle {
5445    let theme_settings = ThemeSettings::get_global(cx);
5446    let colors = cx.theme().colors();
5447
5448    let buffer_font_size = TextSize::Small.rems(cx);
5449
5450    let mut text_style = window.text_style();
5451    let line_height = buffer_font_size * 1.75;
5452
5453    let font_family = if buffer_font {
5454        theme_settings.buffer_font.family.clone()
5455    } else {
5456        theme_settings.ui_font.family.clone()
5457    };
5458
5459    let font_size = if buffer_font {
5460        TextSize::Small.rems(cx)
5461    } else {
5462        TextSize::Default.rems(cx)
5463    };
5464
5465    let text_color = if muted_text {
5466        colors.text_muted
5467    } else {
5468        colors.text
5469    };
5470
5471    text_style.refine(&TextStyleRefinement {
5472        font_family: Some(font_family),
5473        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5474        font_features: Some(theme_settings.ui_font.features.clone()),
5475        font_size: Some(font_size.into()),
5476        line_height: Some(line_height.into()),
5477        color: Some(text_color),
5478        ..Default::default()
5479    });
5480
5481    MarkdownStyle {
5482        base_text_style: text_style.clone(),
5483        syntax: cx.theme().syntax().clone(),
5484        selection_background_color: colors.element_selection_background,
5485        code_block_overflow_x_scroll: true,
5486        table_overflow_x_scroll: true,
5487        heading_level_styles: Some(HeadingLevelStyles {
5488            h1: Some(TextStyleRefinement {
5489                font_size: Some(rems(1.15).into()),
5490                ..Default::default()
5491            }),
5492            h2: Some(TextStyleRefinement {
5493                font_size: Some(rems(1.1).into()),
5494                ..Default::default()
5495            }),
5496            h3: Some(TextStyleRefinement {
5497                font_size: Some(rems(1.05).into()),
5498                ..Default::default()
5499            }),
5500            h4: Some(TextStyleRefinement {
5501                font_size: Some(rems(1.).into()),
5502                ..Default::default()
5503            }),
5504            h5: Some(TextStyleRefinement {
5505                font_size: Some(rems(0.95).into()),
5506                ..Default::default()
5507            }),
5508            h6: Some(TextStyleRefinement {
5509                font_size: Some(rems(0.875).into()),
5510                ..Default::default()
5511            }),
5512        }),
5513        code_block: StyleRefinement {
5514            padding: EdgesRefinement {
5515                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5516                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5517                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5518                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5519            },
5520            margin: EdgesRefinement {
5521                top: Some(Length::Definite(Pixels(8.).into())),
5522                left: Some(Length::Definite(Pixels(0.).into())),
5523                right: Some(Length::Definite(Pixels(0.).into())),
5524                bottom: Some(Length::Definite(Pixels(12.).into())),
5525            },
5526            border_style: Some(BorderStyle::Solid),
5527            border_widths: EdgesRefinement {
5528                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
5529                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
5530                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
5531                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
5532            },
5533            border_color: Some(colors.border_variant),
5534            background: Some(colors.editor_background.into()),
5535            text: Some(TextStyleRefinement {
5536                font_family: Some(theme_settings.buffer_font.family.clone()),
5537                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5538                font_features: Some(theme_settings.buffer_font.features.clone()),
5539                font_size: Some(buffer_font_size.into()),
5540                ..Default::default()
5541            }),
5542            ..Default::default()
5543        },
5544        inline_code: TextStyleRefinement {
5545            font_family: Some(theme_settings.buffer_font.family.clone()),
5546            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5547            font_features: Some(theme_settings.buffer_font.features.clone()),
5548            font_size: Some(buffer_font_size.into()),
5549            background_color: Some(colors.editor_foreground.opacity(0.08)),
5550            ..Default::default()
5551        },
5552        link: TextStyleRefinement {
5553            background_color: Some(colors.editor_foreground.opacity(0.025)),
5554            underline: Some(UnderlineStyle {
5555                color: Some(colors.text_accent.opacity(0.5)),
5556                thickness: px(1.),
5557                ..Default::default()
5558            }),
5559            ..Default::default()
5560        },
5561        ..Default::default()
5562    }
5563}
5564
5565fn plan_label_markdown_style(
5566    status: &acp::PlanEntryStatus,
5567    window: &Window,
5568    cx: &App,
5569) -> MarkdownStyle {
5570    let default_md_style = default_markdown_style(false, false, window, cx);
5571
5572    MarkdownStyle {
5573        base_text_style: TextStyle {
5574            color: cx.theme().colors().text_muted,
5575            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5576                Some(gpui::StrikethroughStyle {
5577                    thickness: px(1.),
5578                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5579                })
5580            } else {
5581                None
5582            },
5583            ..default_md_style.base_text_style
5584        },
5585        ..default_md_style
5586    }
5587}
5588
5589fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5590    let default_md_style = default_markdown_style(true, false, window, cx);
5591
5592    MarkdownStyle {
5593        base_text_style: TextStyle {
5594            ..default_md_style.base_text_style
5595        },
5596        selection_background_color: cx.theme().colors().element_selection_background,
5597        ..Default::default()
5598    }
5599}
5600
5601#[cfg(test)]
5602pub(crate) mod tests {
5603    use acp_thread::StubAgentConnection;
5604    use agent_client_protocol::SessionId;
5605    use assistant_context::ContextStore;
5606    use editor::EditorSettings;
5607    use fs::FakeFs;
5608    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5609    use project::Project;
5610    use serde_json::json;
5611    use settings::SettingsStore;
5612    use std::any::Any;
5613    use std::path::Path;
5614    use workspace::Item;
5615
5616    use super::*;
5617
5618    #[gpui::test]
5619    async fn test_drop(cx: &mut TestAppContext) {
5620        init_test(cx);
5621
5622        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5623        let weak_view = thread_view.downgrade();
5624        drop(thread_view);
5625        assert!(!weak_view.is_upgradable());
5626    }
5627
5628    #[gpui::test]
5629    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5630        init_test(cx);
5631
5632        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5633
5634        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5635        message_editor.update_in(cx, |editor, window, cx| {
5636            editor.set_text("Hello", window, cx);
5637        });
5638
5639        cx.deactivate_window();
5640
5641        thread_view.update_in(cx, |thread_view, window, cx| {
5642            thread_view.send(window, cx);
5643        });
5644
5645        cx.run_until_parked();
5646
5647        assert!(
5648            cx.windows()
5649                .iter()
5650                .any(|window| window.downcast::<AgentNotification>().is_some())
5651        );
5652    }
5653
5654    #[gpui::test]
5655    async fn test_notification_for_error(cx: &mut TestAppContext) {
5656        init_test(cx);
5657
5658        let (thread_view, cx) =
5659            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5660
5661        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5662        message_editor.update_in(cx, |editor, window, cx| {
5663            editor.set_text("Hello", window, cx);
5664        });
5665
5666        cx.deactivate_window();
5667
5668        thread_view.update_in(cx, |thread_view, window, cx| {
5669            thread_view.send(window, cx);
5670        });
5671
5672        cx.run_until_parked();
5673
5674        assert!(
5675            cx.windows()
5676                .iter()
5677                .any(|window| window.downcast::<AgentNotification>().is_some())
5678        );
5679    }
5680
5681    #[gpui::test]
5682    async fn test_refusal_handling(cx: &mut TestAppContext) {
5683        init_test(cx);
5684
5685        let (thread_view, cx) =
5686            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
5687
5688        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5689        message_editor.update_in(cx, |editor, window, cx| {
5690            editor.set_text("Do something harmful", window, cx);
5691        });
5692
5693        thread_view.update_in(cx, |thread_view, window, cx| {
5694            thread_view.send(window, cx);
5695        });
5696
5697        cx.run_until_parked();
5698
5699        // Check that the refusal error is set
5700        thread_view.read_with(cx, |thread_view, _cx| {
5701            assert!(
5702                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5703                "Expected refusal error to be set"
5704            );
5705        });
5706    }
5707
5708    #[gpui::test]
5709    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5710        init_test(cx);
5711
5712        let tool_call_id = acp::ToolCallId("1".into());
5713        let tool_call = acp::ToolCall {
5714            id: tool_call_id.clone(),
5715            title: "Label".into(),
5716            kind: acp::ToolKind::Edit,
5717            status: acp::ToolCallStatus::Pending,
5718            content: vec!["hi".into()],
5719            locations: vec![],
5720            raw_input: None,
5721            raw_output: None,
5722        };
5723        let connection =
5724            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5725                tool_call_id,
5726                vec![acp::PermissionOption {
5727                    id: acp::PermissionOptionId("1".into()),
5728                    name: "Allow".into(),
5729                    kind: acp::PermissionOptionKind::AllowOnce,
5730                }],
5731            )]));
5732
5733        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5734
5735        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5736
5737        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5738        message_editor.update_in(cx, |editor, window, cx| {
5739            editor.set_text("Hello", window, cx);
5740        });
5741
5742        cx.deactivate_window();
5743
5744        thread_view.update_in(cx, |thread_view, window, cx| {
5745            thread_view.send(window, cx);
5746        });
5747
5748        cx.run_until_parked();
5749
5750        assert!(
5751            cx.windows()
5752                .iter()
5753                .any(|window| window.downcast::<AgentNotification>().is_some())
5754        );
5755    }
5756
5757    async fn setup_thread_view(
5758        agent: impl AgentServer + 'static,
5759        cx: &mut TestAppContext,
5760    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5761        let fs = FakeFs::new(cx.executor());
5762        let project = Project::test(fs, [], cx).await;
5763        let (workspace, cx) =
5764            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5765
5766        let context_store =
5767            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5768        let history_store =
5769            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5770
5771        let thread_view = cx.update(|window, cx| {
5772            cx.new(|cx| {
5773                AcpThreadView::new(
5774                    Rc::new(agent),
5775                    None,
5776                    None,
5777                    workspace.downgrade(),
5778                    project,
5779                    history_store,
5780                    None,
5781                    window,
5782                    cx,
5783                )
5784            })
5785        });
5786        cx.run_until_parked();
5787        (thread_view, cx)
5788    }
5789
5790    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5791        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5792
5793        workspace
5794            .update_in(cx, |workspace, window, cx| {
5795                workspace.add_item_to_active_pane(
5796                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5797                    None,
5798                    true,
5799                    window,
5800                    cx,
5801                );
5802            })
5803            .unwrap();
5804    }
5805
5806    struct ThreadViewItem(Entity<AcpThreadView>);
5807
5808    impl Item for ThreadViewItem {
5809        type Event = ();
5810
5811        fn include_in_nav_history() -> bool {
5812            false
5813        }
5814
5815        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5816            "Test".into()
5817        }
5818    }
5819
5820    impl EventEmitter<()> for ThreadViewItem {}
5821
5822    impl Focusable for ThreadViewItem {
5823        fn focus_handle(&self, cx: &App) -> FocusHandle {
5824            self.0.read(cx).focus_handle(cx)
5825        }
5826    }
5827
5828    impl Render for ThreadViewItem {
5829        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5830            self.0.clone().into_any_element()
5831        }
5832    }
5833
5834    struct StubAgentServer<C> {
5835        connection: C,
5836    }
5837
5838    impl<C> StubAgentServer<C> {
5839        fn new(connection: C) -> Self {
5840            Self { connection }
5841        }
5842    }
5843
5844    impl StubAgentServer<StubAgentConnection> {
5845        fn default_response() -> Self {
5846            let conn = StubAgentConnection::new();
5847            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5848                content: "Default response".into(),
5849            }]);
5850            Self::new(conn)
5851        }
5852    }
5853
5854    impl<C> AgentServer for StubAgentServer<C>
5855    where
5856        C: 'static + AgentConnection + Send + Clone,
5857    {
5858        fn telemetry_id(&self) -> &'static str {
5859            "test"
5860        }
5861
5862        fn logo(&self) -> ui::IconName {
5863            ui::IconName::Ai
5864        }
5865
5866        fn name(&self) -> SharedString {
5867            "Test".into()
5868        }
5869
5870        fn connect(
5871            &self,
5872            _root_dir: Option<&Path>,
5873            _delegate: AgentServerDelegate,
5874            _cx: &mut App,
5875        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
5876            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
5877        }
5878
5879        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5880            self
5881        }
5882    }
5883
5884    #[derive(Clone)]
5885    struct SaboteurAgentConnection;
5886
5887    impl AgentConnection for SaboteurAgentConnection {
5888        fn new_thread(
5889            self: Rc<Self>,
5890            project: Entity<Project>,
5891            _cwd: &Path,
5892            cx: &mut gpui::App,
5893        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5894            Task::ready(Ok(cx.new(|cx| {
5895                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5896                AcpThread::new(
5897                    "SaboteurAgentConnection",
5898                    self,
5899                    project,
5900                    action_log,
5901                    SessionId("test".into()),
5902                    watch::Receiver::constant(acp::PromptCapabilities {
5903                        image: true,
5904                        audio: true,
5905                        embedded_context: true,
5906                    }),
5907                    cx,
5908                )
5909            })))
5910        }
5911
5912        fn auth_methods(&self) -> &[acp::AuthMethod] {
5913            &[]
5914        }
5915
5916        fn authenticate(
5917            &self,
5918            _method_id: acp::AuthMethodId,
5919            _cx: &mut App,
5920        ) -> Task<gpui::Result<()>> {
5921            unimplemented!()
5922        }
5923
5924        fn prompt(
5925            &self,
5926            _id: Option<acp_thread::UserMessageId>,
5927            _params: acp::PromptRequest,
5928            _cx: &mut App,
5929        ) -> Task<gpui::Result<acp::PromptResponse>> {
5930            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5931        }
5932
5933        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5934            unimplemented!()
5935        }
5936
5937        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5938            self
5939        }
5940    }
5941
5942    /// Simulates a model which always returns a refusal response
5943    #[derive(Clone)]
5944    struct RefusalAgentConnection;
5945
5946    impl AgentConnection for RefusalAgentConnection {
5947        fn new_thread(
5948            self: Rc<Self>,
5949            project: Entity<Project>,
5950            _cwd: &Path,
5951            cx: &mut gpui::App,
5952        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5953            Task::ready(Ok(cx.new(|cx| {
5954                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5955                AcpThread::new(
5956                    "RefusalAgentConnection",
5957                    self,
5958                    project,
5959                    action_log,
5960                    SessionId("test".into()),
5961                    watch::Receiver::constant(acp::PromptCapabilities {
5962                        image: true,
5963                        audio: true,
5964                        embedded_context: true,
5965                    }),
5966                    cx,
5967                )
5968            })))
5969        }
5970
5971        fn auth_methods(&self) -> &[acp::AuthMethod] {
5972            &[]
5973        }
5974
5975        fn authenticate(
5976            &self,
5977            _method_id: acp::AuthMethodId,
5978            _cx: &mut App,
5979        ) -> Task<gpui::Result<()>> {
5980            unimplemented!()
5981        }
5982
5983        fn prompt(
5984            &self,
5985            _id: Option<acp_thread::UserMessageId>,
5986            _params: acp::PromptRequest,
5987            _cx: &mut App,
5988        ) -> Task<gpui::Result<acp::PromptResponse>> {
5989            Task::ready(Ok(acp::PromptResponse {
5990                stop_reason: acp::StopReason::Refusal,
5991            }))
5992        }
5993
5994        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5995            unimplemented!()
5996        }
5997
5998        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5999            self
6000        }
6001    }
6002
6003    pub(crate) fn init_test(cx: &mut TestAppContext) {
6004        cx.update(|cx| {
6005            let settings_store = SettingsStore::test(cx);
6006            cx.set_global(settings_store);
6007            language::init(cx);
6008            Project::init_settings(cx);
6009            AgentSettings::register(cx);
6010            workspace::init_settings(cx);
6011            ThemeSettings::register(cx);
6012            release_channel::init(SemanticVersion::default(), cx);
6013            EditorSettings::register(cx);
6014            prompt_store::init(cx)
6015        });
6016    }
6017
6018    #[gpui::test]
6019    async fn test_rewind_views(cx: &mut TestAppContext) {
6020        init_test(cx);
6021
6022        let fs = FakeFs::new(cx.executor());
6023        fs.insert_tree(
6024            "/project",
6025            json!({
6026                "test1.txt": "old content 1",
6027                "test2.txt": "old content 2"
6028            }),
6029        )
6030        .await;
6031        let project = Project::test(fs, [Path::new("/project")], cx).await;
6032        let (workspace, cx) =
6033            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6034
6035        let context_store =
6036            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
6037        let history_store =
6038            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
6039
6040        let connection = Rc::new(StubAgentConnection::new());
6041        let thread_view = cx.update(|window, cx| {
6042            cx.new(|cx| {
6043                AcpThreadView::new(
6044                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6045                    None,
6046                    None,
6047                    workspace.downgrade(),
6048                    project.clone(),
6049                    history_store.clone(),
6050                    None,
6051                    window,
6052                    cx,
6053                )
6054            })
6055        });
6056
6057        cx.run_until_parked();
6058
6059        let thread = thread_view
6060            .read_with(cx, |view, _| view.thread().cloned())
6061            .unwrap();
6062
6063        // First user message
6064        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6065            id: acp::ToolCallId("tool1".into()),
6066            title: "Edit file 1".into(),
6067            kind: acp::ToolKind::Edit,
6068            status: acp::ToolCallStatus::Completed,
6069            content: vec![acp::ToolCallContent::Diff {
6070                diff: acp::Diff {
6071                    path: "/project/test1.txt".into(),
6072                    old_text: Some("old content 1".into()),
6073                    new_text: "new content 1".into(),
6074                },
6075            }],
6076            locations: vec![],
6077            raw_input: None,
6078            raw_output: None,
6079        })]);
6080
6081        thread
6082            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6083            .await
6084            .unwrap();
6085        cx.run_until_parked();
6086
6087        thread.read_with(cx, |thread, _| {
6088            assert_eq!(thread.entries().len(), 2);
6089        });
6090
6091        thread_view.read_with(cx, |view, cx| {
6092            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6093                assert!(
6094                    entry_view_state
6095                        .entry(0)
6096                        .unwrap()
6097                        .message_editor()
6098                        .is_some()
6099                );
6100                assert!(entry_view_state.entry(1).unwrap().has_content());
6101            });
6102        });
6103
6104        // Second user message
6105        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6106            id: acp::ToolCallId("tool2".into()),
6107            title: "Edit file 2".into(),
6108            kind: acp::ToolKind::Edit,
6109            status: acp::ToolCallStatus::Completed,
6110            content: vec![acp::ToolCallContent::Diff {
6111                diff: acp::Diff {
6112                    path: "/project/test2.txt".into(),
6113                    old_text: Some("old content 2".into()),
6114                    new_text: "new content 2".into(),
6115                },
6116            }],
6117            locations: vec![],
6118            raw_input: None,
6119            raw_output: None,
6120        })]);
6121
6122        thread
6123            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6124            .await
6125            .unwrap();
6126        cx.run_until_parked();
6127
6128        let second_user_message_id = thread.read_with(cx, |thread, _| {
6129            assert_eq!(thread.entries().len(), 4);
6130            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6131                panic!();
6132            };
6133            user_message.id.clone().unwrap()
6134        });
6135
6136        thread_view.read_with(cx, |view, cx| {
6137            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6138                assert!(
6139                    entry_view_state
6140                        .entry(0)
6141                        .unwrap()
6142                        .message_editor()
6143                        .is_some()
6144                );
6145                assert!(entry_view_state.entry(1).unwrap().has_content());
6146                assert!(
6147                    entry_view_state
6148                        .entry(2)
6149                        .unwrap()
6150                        .message_editor()
6151                        .is_some()
6152                );
6153                assert!(entry_view_state.entry(3).unwrap().has_content());
6154            });
6155        });
6156
6157        // Rewind to first message
6158        thread
6159            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6160            .await
6161            .unwrap();
6162
6163        cx.run_until_parked();
6164
6165        thread.read_with(cx, |thread, _| {
6166            assert_eq!(thread.entries().len(), 2);
6167        });
6168
6169        thread_view.read_with(cx, |view, cx| {
6170            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6171                assert!(
6172                    entry_view_state
6173                        .entry(0)
6174                        .unwrap()
6175                        .message_editor()
6176                        .is_some()
6177                );
6178                assert!(entry_view_state.entry(1).unwrap().has_content());
6179
6180                // Old views should be dropped
6181                assert!(entry_view_state.entry(2).is_none());
6182                assert!(entry_view_state.entry(3).is_none());
6183            });
6184        });
6185    }
6186
6187    #[gpui::test]
6188    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6189        init_test(cx);
6190
6191        let connection = StubAgentConnection::new();
6192
6193        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6194            content: acp::ContentBlock::Text(acp::TextContent {
6195                text: "Response".into(),
6196                annotations: None,
6197            }),
6198        }]);
6199
6200        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6201        add_to_workspace(thread_view.clone(), cx);
6202
6203        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6204        message_editor.update_in(cx, |editor, window, cx| {
6205            editor.set_text("Original message to edit", window, cx);
6206        });
6207        thread_view.update_in(cx, |thread_view, window, cx| {
6208            thread_view.send(window, cx);
6209        });
6210
6211        cx.run_until_parked();
6212
6213        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6214            assert_eq!(view.editing_message, None);
6215
6216            view.entry_view_state
6217                .read(cx)
6218                .entry(0)
6219                .unwrap()
6220                .message_editor()
6221                .unwrap()
6222                .clone()
6223        });
6224
6225        // Focus
6226        cx.focus(&user_message_editor);
6227        thread_view.read_with(cx, |view, _cx| {
6228            assert_eq!(view.editing_message, Some(0));
6229        });
6230
6231        // Edit
6232        user_message_editor.update_in(cx, |editor, window, cx| {
6233            editor.set_text("Edited message content", window, cx);
6234        });
6235
6236        // Cancel
6237        user_message_editor.update_in(cx, |_editor, window, cx| {
6238            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6239        });
6240
6241        thread_view.read_with(cx, |view, _cx| {
6242            assert_eq!(view.editing_message, None);
6243        });
6244
6245        user_message_editor.read_with(cx, |editor, cx| {
6246            assert_eq!(editor.text(cx), "Original message to edit");
6247        });
6248    }
6249
6250    #[gpui::test]
6251    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6252        init_test(cx);
6253
6254        let connection = StubAgentConnection::new();
6255
6256        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6257        add_to_workspace(thread_view.clone(), cx);
6258
6259        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6260        let mut events = cx.events(&message_editor);
6261        message_editor.update_in(cx, |editor, window, cx| {
6262            editor.set_text("", window, cx);
6263        });
6264
6265        message_editor.update_in(cx, |_editor, window, cx| {
6266            window.dispatch_action(Box::new(Chat), cx);
6267        });
6268        cx.run_until_parked();
6269        // We shouldn't have received any messages
6270        assert!(matches!(
6271            events.try_next(),
6272            Err(futures::channel::mpsc::TryRecvError { .. })
6273        ));
6274    }
6275
6276    #[gpui::test]
6277    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6278        init_test(cx);
6279
6280        let connection = StubAgentConnection::new();
6281
6282        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6283            content: acp::ContentBlock::Text(acp::TextContent {
6284                text: "Response".into(),
6285                annotations: None,
6286            }),
6287        }]);
6288
6289        let (thread_view, cx) =
6290            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6291        add_to_workspace(thread_view.clone(), cx);
6292
6293        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6294        message_editor.update_in(cx, |editor, window, cx| {
6295            editor.set_text("Original message to edit", window, cx);
6296        });
6297        thread_view.update_in(cx, |thread_view, window, cx| {
6298            thread_view.send(window, cx);
6299        });
6300
6301        cx.run_until_parked();
6302
6303        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6304            assert_eq!(view.editing_message, None);
6305            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6306
6307            view.entry_view_state
6308                .read(cx)
6309                .entry(0)
6310                .unwrap()
6311                .message_editor()
6312                .unwrap()
6313                .clone()
6314        });
6315
6316        // Focus
6317        cx.focus(&user_message_editor);
6318
6319        // Edit
6320        user_message_editor.update_in(cx, |editor, window, cx| {
6321            editor.set_text("Edited message content", window, cx);
6322        });
6323
6324        // Send
6325        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6326            content: acp::ContentBlock::Text(acp::TextContent {
6327                text: "New Response".into(),
6328                annotations: None,
6329            }),
6330        }]);
6331
6332        user_message_editor.update_in(cx, |_editor, window, cx| {
6333            window.dispatch_action(Box::new(Chat), cx);
6334        });
6335
6336        cx.run_until_parked();
6337
6338        thread_view.read_with(cx, |view, cx| {
6339            assert_eq!(view.editing_message, None);
6340
6341            let entries = view.thread().unwrap().read(cx).entries();
6342            assert_eq!(entries.len(), 2);
6343            assert_eq!(
6344                entries[0].to_markdown(cx),
6345                "## User\n\nEdited message content\n\n"
6346            );
6347            assert_eq!(
6348                entries[1].to_markdown(cx),
6349                "## Assistant\n\nNew Response\n\n"
6350            );
6351
6352            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6353                assert!(!state.entry(1).unwrap().has_content());
6354                state.entry(0).unwrap().message_editor().unwrap().clone()
6355            });
6356
6357            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6358        })
6359    }
6360
6361    #[gpui::test]
6362    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6363        init_test(cx);
6364
6365        let connection = StubAgentConnection::new();
6366
6367        let (thread_view, cx) =
6368            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6369        add_to_workspace(thread_view.clone(), cx);
6370
6371        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6372        message_editor.update_in(cx, |editor, window, cx| {
6373            editor.set_text("Original message to edit", window, cx);
6374        });
6375        thread_view.update_in(cx, |thread_view, window, cx| {
6376            thread_view.send(window, cx);
6377        });
6378
6379        cx.run_until_parked();
6380
6381        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6382            let thread = view.thread().unwrap().read(cx);
6383            assert_eq!(thread.entries().len(), 1);
6384
6385            let editor = view
6386                .entry_view_state
6387                .read(cx)
6388                .entry(0)
6389                .unwrap()
6390                .message_editor()
6391                .unwrap()
6392                .clone();
6393
6394            (editor, thread.session_id().clone())
6395        });
6396
6397        // Focus
6398        cx.focus(&user_message_editor);
6399
6400        thread_view.read_with(cx, |view, _cx| {
6401            assert_eq!(view.editing_message, Some(0));
6402        });
6403
6404        // Edit
6405        user_message_editor.update_in(cx, |editor, window, cx| {
6406            editor.set_text("Edited message content", window, cx);
6407        });
6408
6409        thread_view.read_with(cx, |view, _cx| {
6410            assert_eq!(view.editing_message, Some(0));
6411        });
6412
6413        // Finish streaming response
6414        cx.update(|_, cx| {
6415            connection.send_update(
6416                session_id.clone(),
6417                acp::SessionUpdate::AgentMessageChunk {
6418                    content: acp::ContentBlock::Text(acp::TextContent {
6419                        text: "Response".into(),
6420                        annotations: None,
6421                    }),
6422                },
6423                cx,
6424            );
6425            connection.end_turn(session_id, acp::StopReason::EndTurn);
6426        });
6427
6428        thread_view.read_with(cx, |view, _cx| {
6429            assert_eq!(view.editing_message, Some(0));
6430        });
6431
6432        cx.run_until_parked();
6433
6434        // Should still be editing
6435        cx.update(|window, cx| {
6436            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6437            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6438            assert_eq!(
6439                user_message_editor.read(cx).text(cx),
6440                "Edited message content"
6441            );
6442        });
6443    }
6444
6445    #[gpui::test]
6446    async fn test_interrupt(cx: &mut TestAppContext) {
6447        init_test(cx);
6448
6449        let connection = StubAgentConnection::new();
6450
6451        let (thread_view, cx) =
6452            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6453        add_to_workspace(thread_view.clone(), cx);
6454
6455        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6456        message_editor.update_in(cx, |editor, window, cx| {
6457            editor.set_text("Message 1", window, cx);
6458        });
6459        thread_view.update_in(cx, |thread_view, window, cx| {
6460            thread_view.send(window, cx);
6461        });
6462
6463        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6464            let thread = view.thread().unwrap();
6465
6466            (thread.clone(), thread.read(cx).session_id().clone())
6467        });
6468
6469        cx.run_until_parked();
6470
6471        cx.update(|_, cx| {
6472            connection.send_update(
6473                session_id.clone(),
6474                acp::SessionUpdate::AgentMessageChunk {
6475                    content: "Message 1 resp".into(),
6476                },
6477                cx,
6478            );
6479        });
6480
6481        cx.run_until_parked();
6482
6483        thread.read_with(cx, |thread, cx| {
6484            assert_eq!(
6485                thread.to_markdown(cx),
6486                indoc::indoc! {"
6487                    ## User
6488
6489                    Message 1
6490
6491                    ## Assistant
6492
6493                    Message 1 resp
6494
6495                "}
6496            )
6497        });
6498
6499        message_editor.update_in(cx, |editor, window, cx| {
6500            editor.set_text("Message 2", window, cx);
6501        });
6502        thread_view.update_in(cx, |thread_view, window, cx| {
6503            thread_view.send(window, cx);
6504        });
6505
6506        cx.update(|_, cx| {
6507            // Simulate a response sent after beginning to cancel
6508            connection.send_update(
6509                session_id.clone(),
6510                acp::SessionUpdate::AgentMessageChunk {
6511                    content: "onse".into(),
6512                },
6513                cx,
6514            );
6515        });
6516
6517        cx.run_until_parked();
6518
6519        // Last Message 1 response should appear before Message 2
6520        thread.read_with(cx, |thread, cx| {
6521            assert_eq!(
6522                thread.to_markdown(cx),
6523                indoc::indoc! {"
6524                    ## User
6525
6526                    Message 1
6527
6528                    ## Assistant
6529
6530                    Message 1 response
6531
6532                    ## User
6533
6534                    Message 2
6535
6536                "}
6537            )
6538        });
6539
6540        cx.update(|_, cx| {
6541            connection.send_update(
6542                session_id.clone(),
6543                acp::SessionUpdate::AgentMessageChunk {
6544                    content: "Message 2 response".into(),
6545                },
6546                cx,
6547            );
6548            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6549        });
6550
6551        cx.run_until_parked();
6552
6553        thread.read_with(cx, |thread, cx| {
6554            assert_eq!(
6555                thread.to_markdown(cx),
6556                indoc::indoc! {"
6557                    ## User
6558
6559                    Message 1
6560
6561                    ## Assistant
6562
6563                    Message 1 response
6564
6565                    ## User
6566
6567                    Message 2
6568
6569                    ## Assistant
6570
6571                    Message 2 response
6572
6573                "}
6574            )
6575        });
6576    }
6577}