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