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};
   9use agent_servers::{AgentServer, ClaudeCode};
  10use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
  11use agent2::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore};
  12use anyhow::bail;
  13use audio::{Audio, Sound};
  14use buffer_diff::BufferDiff;
  15use client::zed_urls;
  16use collections::{HashMap, HashSet};
  17use editor::scroll::Autoscroll;
  18use editor::{Editor, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  19use file_icons::FileIcons;
  20use fs::Fs;
  21use gpui::{
  22    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  23    EdgesRefinement, ElementId, Empty, Entity, EntityId, FocusHandle, Focusable, Hsla, Length,
  24    ListOffset, ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement,
  25    Subscription, Task, TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity,
  26    Window, WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, percentage,
  27    point, prelude::*, pulsating_between,
  28};
  29use language::Buffer;
  30
  31use language_model::LanguageModelRegistry;
  32use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  33use project::{Project, ProjectEntryId};
  34use prompt_store::{PromptId, PromptStore};
  35use rope::Point;
  36use settings::{Settings as _, SettingsStore};
  37use std::sync::Arc;
  38use std::time::Instant;
  39use std::{collections::BTreeMap, rc::Rc, time::Duration};
  40use text::Anchor;
  41use theme::ThemeSettings;
  42use ui::{
  43    Callout, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle,
  44    Scrollbar, ScrollbarState, Tooltip, prelude::*,
  45};
  46use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  47use workspace::{CollaboratorId, Workspace};
  48use zed_actions::agent::{Chat, ToggleModelSelector};
  49use zed_actions::assistant::OpenRulesLibrary;
  50
  51use super::entry_view_state::EntryViewState;
  52use crate::acp::AcpModelSelectorPopover;
  53use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  54use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  55use crate::agent_diff::AgentDiff;
  56use crate::profile_selector::{ProfileProvider, ProfileSelector};
  57
  58use crate::ui::preview::UsageCallout;
  59use crate::ui::{AgentNotification, AgentNotificationEvent, BurnModeTooltip};
  60use crate::{
  61    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, ExpandMessageEditor, Follow,
  62    KeepAll, OpenAgentDiff, OpenHistory, RejectAll, ToggleBurnMode, ToggleProfileSelector,
  63};
  64
  65const RESPONSE_PADDING_X: Pixels = px(19.);
  66pub const MIN_EDITOR_LINES: usize = 4;
  67pub const MAX_EDITOR_LINES: usize = 8;
  68
  69#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  70enum ThreadFeedback {
  71    Positive,
  72    Negative,
  73}
  74
  75enum ThreadError {
  76    PaymentRequired,
  77    ModelRequestLimitReached(cloud_llm_client::Plan),
  78    ToolUseLimitReached,
  79    Other(SharedString),
  80}
  81
  82impl ThreadError {
  83    fn from_err(error: anyhow::Error) -> Self {
  84        if error.is::<language_model::PaymentRequiredError>() {
  85            Self::PaymentRequired
  86        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  87            Self::ToolUseLimitReached
  88        } else if let Some(error) =
  89            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  90        {
  91            Self::ModelRequestLimitReached(error.plan)
  92        } else {
  93            Self::Other(error.to_string().into())
  94        }
  95    }
  96}
  97
  98impl ProfileProvider for Entity<agent2::Thread> {
  99    fn profile_id(&self, cx: &App) -> AgentProfileId {
 100        self.read(cx).profile().clone()
 101    }
 102
 103    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 104        self.update(cx, |thread, _cx| {
 105            thread.set_profile(profile_id);
 106        });
 107    }
 108
 109    fn profiles_supported(&self, cx: &App) -> bool {
 110        self.read(cx)
 111            .model()
 112            .is_some_and(|model| model.supports_tools())
 113    }
 114}
 115
 116#[derive(Default)]
 117struct ThreadFeedbackState {
 118    feedback: Option<ThreadFeedback>,
 119    comments_editor: Option<Entity<Editor>>,
 120}
 121
 122impl ThreadFeedbackState {
 123    pub fn submit(
 124        &mut self,
 125        thread: Entity<AcpThread>,
 126        feedback: ThreadFeedback,
 127        window: &mut Window,
 128        cx: &mut App,
 129    ) {
 130        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 131            return;
 132        };
 133
 134        if self.feedback == Some(feedback) {
 135            return;
 136        }
 137
 138        self.feedback = Some(feedback);
 139        match feedback {
 140            ThreadFeedback::Positive => {
 141                self.comments_editor = None;
 142            }
 143            ThreadFeedback::Negative => {
 144                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 145            }
 146        }
 147        let session_id = thread.read(cx).session_id().clone();
 148        let agent_name = telemetry.agent_name();
 149        let task = telemetry.thread_data(&session_id, cx);
 150        let rating = match feedback {
 151            ThreadFeedback::Positive => "positive",
 152            ThreadFeedback::Negative => "negative",
 153        };
 154        cx.background_spawn(async move {
 155            let thread = task.await?;
 156            telemetry::event!(
 157                "Agent Thread Rated",
 158                session_id = session_id,
 159                rating = rating,
 160                agent = agent_name,
 161                thread = thread
 162            );
 163            anyhow::Ok(())
 164        })
 165        .detach_and_log_err(cx);
 166    }
 167
 168    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 169        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 170            return;
 171        };
 172
 173        let Some(comments) = self
 174            .comments_editor
 175            .as_ref()
 176            .map(|editor| editor.read(cx).text(cx))
 177            .filter(|text| !text.trim().is_empty())
 178        else {
 179            return;
 180        };
 181
 182        self.comments_editor.take();
 183
 184        let session_id = thread.read(cx).session_id().clone();
 185        let agent_name = telemetry.agent_name();
 186        let task = telemetry.thread_data(&session_id, cx);
 187        cx.background_spawn(async move {
 188            let thread = task.await?;
 189            telemetry::event!(
 190                "Agent Thread Feedback Comments",
 191                session_id = session_id,
 192                comments = comments,
 193                agent = agent_name,
 194                thread = thread
 195            );
 196            anyhow::Ok(())
 197        })
 198        .detach_and_log_err(cx);
 199    }
 200
 201    pub fn clear(&mut self) {
 202        *self = Self::default()
 203    }
 204
 205    pub fn dismiss_comments(&mut self) {
 206        self.comments_editor.take();
 207    }
 208
 209    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 210        let buffer = cx.new(|cx| {
 211            let empty_string = String::new();
 212            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 213        });
 214
 215        let editor = cx.new(|cx| {
 216            let mut editor = Editor::new(
 217                editor::EditorMode::AutoHeight {
 218                    min_lines: 1,
 219                    max_lines: Some(4),
 220                },
 221                buffer,
 222                None,
 223                window,
 224                cx,
 225            );
 226            editor.set_placeholder_text(
 227                "What went wrong? Share your feedback so we can improve.",
 228                cx,
 229            );
 230            editor
 231        });
 232
 233        editor.read(cx).focus_handle(cx).focus(window);
 234        editor
 235    }
 236}
 237
 238pub struct AcpThreadView {
 239    agent: Rc<dyn AgentServer>,
 240    workspace: WeakEntity<Workspace>,
 241    project: Entity<Project>,
 242    thread_state: ThreadState,
 243    history_store: Entity<HistoryStore>,
 244    hovered_recent_history_item: Option<usize>,
 245    entry_view_state: Entity<EntryViewState>,
 246    message_editor: Entity<MessageEditor>,
 247    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 248    profile_selector: Option<Entity<ProfileSelector>>,
 249    notifications: Vec<WindowHandle<AgentNotification>>,
 250    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 251    thread_retry_status: Option<RetryStatus>,
 252    thread_error: Option<ThreadError>,
 253    thread_feedback: ThreadFeedbackState,
 254    list_state: ListState,
 255    scrollbar_state: ScrollbarState,
 256    auth_task: Option<Task<()>>,
 257    expanded_tool_calls: HashSet<acp::ToolCallId>,
 258    expanded_thinking_blocks: HashSet<(usize, usize)>,
 259    expanded_terminals: HashSet<EntityId>,
 260    edits_expanded: bool,
 261    plan_expanded: bool,
 262    editor_expanded: bool,
 263    editing_message: Option<usize>,
 264    _cancel_task: Option<Task<()>>,
 265    _subscriptions: [Subscription; 3],
 266}
 267
 268enum ThreadState {
 269    Loading {
 270        _task: Task<()>,
 271    },
 272    Ready {
 273        thread: Entity<AcpThread>,
 274        _subscription: [Subscription; 2],
 275    },
 276    LoadError(LoadError),
 277    Unauthenticated {
 278        connection: Rc<dyn AgentConnection>,
 279        description: Option<Entity<Markdown>>,
 280        configuration_view: Option<AnyView>,
 281        pending_auth_method: Option<acp::AuthMethodId>,
 282        _subscription: Option<Subscription>,
 283    },
 284}
 285
 286impl AcpThreadView {
 287    pub fn new(
 288        agent: Rc<dyn AgentServer>,
 289        resume_thread: Option<DbThreadMetadata>,
 290        summarize_thread: Option<DbThreadMetadata>,
 291        workspace: WeakEntity<Workspace>,
 292        project: Entity<Project>,
 293        history_store: Entity<HistoryStore>,
 294        prompt_store: Option<Entity<PromptStore>>,
 295        window: &mut Window,
 296        cx: &mut Context<Self>,
 297    ) -> Self {
 298        let prevent_slash_commands = agent.clone().downcast::<ClaudeCode>().is_some();
 299        let message_editor = cx.new(|cx| {
 300            let mut editor = MessageEditor::new(
 301                workspace.clone(),
 302                project.clone(),
 303                history_store.clone(),
 304                prompt_store.clone(),
 305                "Message the agent — @ to include context",
 306                prevent_slash_commands,
 307                editor::EditorMode::AutoHeight {
 308                    min_lines: MIN_EDITOR_LINES,
 309                    max_lines: Some(MAX_EDITOR_LINES),
 310                },
 311                window,
 312                cx,
 313            );
 314            if let Some(entry) = summarize_thread {
 315                editor.insert_thread_summary(entry, window, cx);
 316            }
 317            editor
 318        });
 319
 320        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 321
 322        let entry_view_state = cx.new(|_| {
 323            EntryViewState::new(
 324                workspace.clone(),
 325                project.clone(),
 326                history_store.clone(),
 327                prompt_store.clone(),
 328                prevent_slash_commands,
 329            )
 330        });
 331
 332        let subscriptions = [
 333            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 334            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 335            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 336        ];
 337
 338        Self {
 339            agent: agent.clone(),
 340            workspace: workspace.clone(),
 341            project: project.clone(),
 342            entry_view_state,
 343            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 344            message_editor,
 345            model_selector: None,
 346            profile_selector: None,
 347            notifications: Vec::new(),
 348            notification_subscriptions: HashMap::default(),
 349            list_state: list_state.clone(),
 350            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 351            thread_retry_status: None,
 352            thread_error: None,
 353            thread_feedback: Default::default(),
 354            auth_task: None,
 355            expanded_tool_calls: HashSet::default(),
 356            expanded_thinking_blocks: HashSet::default(),
 357            expanded_terminals: HashSet::default(),
 358            editing_message: None,
 359            edits_expanded: false,
 360            plan_expanded: false,
 361            editor_expanded: false,
 362            history_store,
 363            hovered_recent_history_item: None,
 364            _subscriptions: subscriptions,
 365            _cancel_task: None,
 366        }
 367    }
 368
 369    fn initial_state(
 370        agent: Rc<dyn AgentServer>,
 371        resume_thread: Option<DbThreadMetadata>,
 372        workspace: WeakEntity<Workspace>,
 373        project: Entity<Project>,
 374        window: &mut Window,
 375        cx: &mut Context<Self>,
 376    ) -> ThreadState {
 377        let root_dir = project
 378            .read(cx)
 379            .visible_worktrees(cx)
 380            .next()
 381            .map(|worktree| worktree.read(cx).abs_path())
 382            .unwrap_or_else(|| paths::home_dir().as_path().into());
 383
 384        let connect_task = agent.connect(&root_dir, &project, cx);
 385        let load_task = cx.spawn_in(window, async move |this, cx| {
 386            let connection = match connect_task.await {
 387                Ok(connection) => connection,
 388                Err(err) => {
 389                    this.update(cx, |this, cx| {
 390                        this.handle_load_error(err, cx);
 391                        cx.notify();
 392                    })
 393                    .log_err();
 394                    return;
 395                }
 396            };
 397
 398            let result = if let Some(native_agent) = connection
 399                .clone()
 400                .downcast::<agent2::NativeAgentConnection>()
 401                && let Some(resume) = resume_thread.clone()
 402            {
 403                cx.update(|_, cx| {
 404                    native_agent
 405                        .0
 406                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 407                })
 408                .log_err()
 409            } else {
 410                cx.update(|_, cx| {
 411                    connection
 412                        .clone()
 413                        .new_thread(project.clone(), &root_dir, cx)
 414                })
 415                .log_err()
 416            };
 417
 418            let Some(result) = result else {
 419                return;
 420            };
 421
 422            let result = match result.await {
 423                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 424                    Ok(err) => {
 425                        cx.update(|window, cx| {
 426                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 427                        })
 428                        .log_err();
 429                        return;
 430                    }
 431                    Err(err) => Err(err),
 432                },
 433                Ok(thread) => Ok(thread),
 434            };
 435
 436            this.update_in(cx, |this, window, cx| {
 437                match result {
 438                    Ok(thread) => {
 439                        let thread_subscription =
 440                            cx.subscribe_in(&thread, window, Self::handle_thread_event);
 441
 442                        let action_log = thread.read(cx).action_log().clone();
 443                        let action_log_subscription =
 444                            cx.observe(&action_log, |_, _, cx| cx.notify());
 445
 446                        let count = thread.read(cx).entries().len();
 447                        this.list_state.splice(0..0, count);
 448                        this.entry_view_state.update(cx, |view_state, cx| {
 449                            for ix in 0..count {
 450                                view_state.sync_entry(ix, &thread, window, cx);
 451                            }
 452                        });
 453
 454                        if let Some(resume) = resume_thread {
 455                            this.history_store.update(cx, |history, cx| {
 456                                history.push_recently_opened_entry(
 457                                    HistoryEntryId::AcpThread(resume.id),
 458                                    cx,
 459                                );
 460                            });
 461                        }
 462
 463                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 464
 465                        this.model_selector =
 466                            thread
 467                                .read(cx)
 468                                .connection()
 469                                .model_selector()
 470                                .map(|selector| {
 471                                    cx.new(|cx| {
 472                                        AcpModelSelectorPopover::new(
 473                                            thread.read(cx).session_id().clone(),
 474                                            selector,
 475                                            PopoverMenuHandle::default(),
 476                                            this.focus_handle(cx),
 477                                            window,
 478                                            cx,
 479                                        )
 480                                    })
 481                                });
 482
 483                        this.thread_state = ThreadState::Ready {
 484                            thread,
 485                            _subscription: [thread_subscription, action_log_subscription],
 486                        };
 487
 488                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 489                            cx.new(|cx| {
 490                                ProfileSelector::new(
 491                                    <dyn Fs>::global(cx),
 492                                    Arc::new(thread.clone()),
 493                                    this.focus_handle(cx),
 494                                    cx,
 495                                )
 496                            })
 497                        });
 498
 499                        this.message_editor.update(cx, |message_editor, _cx| {
 500                            message_editor
 501                                .set_prompt_capabilities(connection.prompt_capabilities());
 502                        });
 503
 504                        cx.notify();
 505                    }
 506                    Err(err) => {
 507                        this.handle_load_error(err, cx);
 508                    }
 509                };
 510            })
 511            .log_err();
 512        });
 513
 514        ThreadState::Loading { _task: load_task }
 515    }
 516
 517    fn handle_auth_required(
 518        this: WeakEntity<Self>,
 519        err: AuthRequired,
 520        agent: Rc<dyn AgentServer>,
 521        connection: Rc<dyn AgentConnection>,
 522        window: &mut Window,
 523        cx: &mut App,
 524    ) {
 525        let agent_name = agent.name();
 526        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 527            let registry = LanguageModelRegistry::global(cx);
 528
 529            let sub = window.subscribe(&registry, cx, {
 530                let provider_id = provider_id.clone();
 531                let this = this.clone();
 532                move |_, ev, window, cx| {
 533                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 534                        && &provider_id == updated_provider_id
 535                    {
 536                        this.update(cx, |this, cx| {
 537                            this.thread_state = Self::initial_state(
 538                                agent.clone(),
 539                                None,
 540                                this.workspace.clone(),
 541                                this.project.clone(),
 542                                window,
 543                                cx,
 544                            );
 545                            cx.notify();
 546                        })
 547                        .ok();
 548                    }
 549                }
 550            });
 551
 552            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 553                provider.configuration_view(
 554                    language_model::ConfigurationViewTargetAgent::Other(agent_name),
 555                    window,
 556                    cx,
 557                )
 558            });
 559
 560            (view, Some(sub))
 561        } else {
 562            (None, None)
 563        };
 564
 565        this.update(cx, |this, cx| {
 566            this.thread_state = ThreadState::Unauthenticated {
 567                pending_auth_method: None,
 568                connection,
 569                configuration_view,
 570                description: err
 571                    .description
 572                    .clone()
 573                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 574                _subscription: subscription,
 575            };
 576            cx.notify();
 577        })
 578        .ok();
 579    }
 580
 581    fn handle_load_error(&mut self, err: anyhow::Error, cx: &mut Context<Self>) {
 582        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 583            self.thread_state = ThreadState::LoadError(load_err.clone());
 584        } else {
 585            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 586        }
 587        cx.notify();
 588    }
 589
 590    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 591        &self.workspace
 592    }
 593
 594    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 595        match &self.thread_state {
 596            ThreadState::Ready { thread, .. } => Some(thread),
 597            ThreadState::Unauthenticated { .. }
 598            | ThreadState::Loading { .. }
 599            | ThreadState::LoadError { .. } => None,
 600        }
 601    }
 602
 603    pub fn title(&self, cx: &App) -> SharedString {
 604        match &self.thread_state {
 605            ThreadState::Ready { thread, .. } => thread.read(cx).title(),
 606            ThreadState::Loading { .. } => "Loading…".into(),
 607            ThreadState::LoadError(_) => "Failed to load".into(),
 608            ThreadState::Unauthenticated { .. } => "Authentication Required".into(),
 609        }
 610    }
 611
 612    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 613        self.thread_error.take();
 614        self.thread_retry_status.take();
 615
 616        if let Some(thread) = self.thread() {
 617            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 618        }
 619    }
 620
 621    pub fn expand_message_editor(
 622        &mut self,
 623        _: &ExpandMessageEditor,
 624        _window: &mut Window,
 625        cx: &mut Context<Self>,
 626    ) {
 627        self.set_editor_is_expanded(!self.editor_expanded, cx);
 628        cx.notify();
 629    }
 630
 631    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 632        self.editor_expanded = is_expanded;
 633        self.message_editor.update(cx, |editor, cx| {
 634            if is_expanded {
 635                editor.set_mode(
 636                    EditorMode::Full {
 637                        scale_ui_elements_with_buffer_font_size: false,
 638                        show_active_line_background: false,
 639                        sized_by_content: false,
 640                    },
 641                    cx,
 642                )
 643            } else {
 644                editor.set_mode(
 645                    EditorMode::AutoHeight {
 646                        min_lines: MIN_EDITOR_LINES,
 647                        max_lines: Some(MAX_EDITOR_LINES),
 648                    },
 649                    cx,
 650                )
 651            }
 652        });
 653        cx.notify();
 654    }
 655
 656    pub fn handle_message_editor_event(
 657        &mut self,
 658        _: &Entity<MessageEditor>,
 659        event: &MessageEditorEvent,
 660        window: &mut Window,
 661        cx: &mut Context<Self>,
 662    ) {
 663        match event {
 664            MessageEditorEvent::Send => self.send(window, cx),
 665            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 666            MessageEditorEvent::Focus => {
 667                self.cancel_editing(&Default::default(), window, cx);
 668            }
 669        }
 670    }
 671
 672    pub fn handle_entry_view_event(
 673        &mut self,
 674        _: &Entity<EntryViewState>,
 675        event: &EntryViewEvent,
 676        window: &mut Window,
 677        cx: &mut Context<Self>,
 678    ) {
 679        match &event.view_event {
 680            ViewEvent::NewTerminal(terminal_id) => {
 681                if AgentSettings::get_global(cx).expand_terminal_card {
 682                    self.expanded_terminals.insert(*terminal_id);
 683                }
 684            }
 685            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 686                if let Some(thread) = self.thread()
 687                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 688                        thread.read(cx).entries().get(event.entry_index)
 689                    && user_message.id.is_some()
 690                {
 691                    self.editing_message = Some(event.entry_index);
 692                    cx.notify();
 693                }
 694            }
 695            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 696                self.regenerate(event.entry_index, editor, window, cx);
 697            }
 698            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 699                self.cancel_editing(&Default::default(), window, cx);
 700            }
 701        }
 702    }
 703
 704    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 705        self.thread_error.take();
 706        let Some(thread) = self.thread() else {
 707            return;
 708        };
 709
 710        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 711        cx.spawn(async move |this, cx| {
 712            let result = task.await;
 713
 714            this.update(cx, |this, cx| {
 715                if let Err(err) = result {
 716                    this.handle_thread_error(err, cx);
 717                }
 718            })
 719        })
 720        .detach();
 721    }
 722
 723    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 724        let Some(thread) = self.thread() else { return };
 725        self.history_store.update(cx, |history, cx| {
 726            history.push_recently_opened_entry(
 727                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 728                cx,
 729            );
 730        });
 731
 732        if thread.read(cx).status() != ThreadStatus::Idle {
 733            self.stop_current_and_send_new_message(window, cx);
 734            return;
 735        }
 736
 737        let contents = self
 738            .message_editor
 739            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 740        self.send_impl(contents, window, cx)
 741    }
 742
 743    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 744        let Some(thread) = self.thread().cloned() else {
 745            return;
 746        };
 747
 748        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
 749
 750        let contents = self
 751            .message_editor
 752            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 753
 754        cx.spawn_in(window, async move |this, cx| {
 755            cancelled.await;
 756
 757            this.update_in(cx, |this, window, cx| {
 758                this.send_impl(contents, window, cx);
 759            })
 760            .ok();
 761        })
 762        .detach();
 763    }
 764
 765    fn send_impl(
 766        &mut self,
 767        contents: Task<anyhow::Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
 768        window: &mut Window,
 769        cx: &mut Context<Self>,
 770    ) {
 771        self.thread_error.take();
 772        self.editing_message.take();
 773        self.thread_feedback.clear();
 774
 775        let Some(thread) = self.thread().cloned() else {
 776            return;
 777        };
 778        let task = cx.spawn_in(window, async move |this, cx| {
 779            let (contents, tracked_buffers) = contents.await?;
 780
 781            if contents.is_empty() {
 782                return Ok(());
 783            }
 784
 785            this.update_in(cx, |this, window, cx| {
 786                this.set_editor_is_expanded(false, cx);
 787                this.scroll_to_bottom(cx);
 788                this.message_editor.update(cx, |message_editor, cx| {
 789                    message_editor.clear(window, cx);
 790                });
 791            })?;
 792            let send = thread.update(cx, |thread, cx| {
 793                thread.action_log().update(cx, |action_log, cx| {
 794                    for buffer in tracked_buffers {
 795                        action_log.buffer_read(buffer, cx)
 796                    }
 797                });
 798                thread.send(contents, cx)
 799            })?;
 800            send.await
 801        });
 802
 803        cx.spawn(async move |this, cx| {
 804            if let Err(err) = task.await {
 805                this.update(cx, |this, cx| {
 806                    this.handle_thread_error(err, cx);
 807                })
 808                .ok();
 809            }
 810        })
 811        .detach();
 812    }
 813
 814    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 815        let Some(thread) = self.thread().cloned() else {
 816            return;
 817        };
 818
 819        if let Some(index) = self.editing_message.take()
 820            && let Some(editor) = self
 821                .entry_view_state
 822                .read(cx)
 823                .entry(index)
 824                .and_then(|e| e.message_editor())
 825                .cloned()
 826        {
 827            editor.update(cx, |editor, cx| {
 828                if let Some(user_message) = thread
 829                    .read(cx)
 830                    .entries()
 831                    .get(index)
 832                    .and_then(|e| e.user_message())
 833                {
 834                    editor.set_message(user_message.chunks.clone(), window, cx);
 835                }
 836            })
 837        };
 838        self.focus_handle(cx).focus(window);
 839        cx.notify();
 840    }
 841
 842    fn regenerate(
 843        &mut self,
 844        entry_ix: usize,
 845        message_editor: &Entity<MessageEditor>,
 846        window: &mut Window,
 847        cx: &mut Context<Self>,
 848    ) {
 849        let Some(thread) = self.thread().cloned() else {
 850            return;
 851        };
 852
 853        let Some(rewind) = thread.update(cx, |thread, cx| {
 854            let user_message_id = thread.entries().get(entry_ix)?.user_message()?.id.clone()?;
 855            Some(thread.rewind(user_message_id, cx))
 856        }) else {
 857            return;
 858        };
 859
 860        let contents =
 861            message_editor.update(cx, |message_editor, cx| message_editor.contents(window, cx));
 862
 863        let task = cx.foreground_executor().spawn(async move {
 864            rewind.await?;
 865            contents.await
 866        });
 867        self.send_impl(task, window, cx);
 868    }
 869
 870    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
 871        if let Some(thread) = self.thread() {
 872            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
 873        }
 874    }
 875
 876    fn open_edited_buffer(
 877        &mut self,
 878        buffer: &Entity<Buffer>,
 879        window: &mut Window,
 880        cx: &mut Context<Self>,
 881    ) {
 882        let Some(thread) = self.thread() else {
 883            return;
 884        };
 885
 886        let Some(diff) =
 887            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
 888        else {
 889            return;
 890        };
 891
 892        diff.update(cx, |diff, cx| {
 893            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
 894        })
 895    }
 896
 897    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 898        let Some(thread) = self.as_native_thread(cx) else {
 899            return;
 900        };
 901        let project_context = thread.read(cx).project_context().read(cx);
 902
 903        let project_entry_ids = project_context
 904            .worktrees
 905            .iter()
 906            .flat_map(|worktree| worktree.rules_file.as_ref())
 907            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
 908            .collect::<Vec<_>>();
 909
 910        self.workspace
 911            .update(cx, move |workspace, cx| {
 912                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
 913                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
 914                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
 915                let project = workspace.project().read(cx);
 916                let project_paths = project_entry_ids
 917                    .into_iter()
 918                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
 919                    .collect::<Vec<_>>();
 920                for project_path in project_paths {
 921                    workspace
 922                        .open_path(project_path, None, true, window, cx)
 923                        .detach_and_log_err(cx);
 924                }
 925            })
 926            .ok();
 927    }
 928
 929    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
 930        self.thread_error = Some(ThreadError::from_err(error));
 931        cx.notify();
 932    }
 933
 934    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
 935        self.thread_error = None;
 936        cx.notify();
 937    }
 938
 939    fn handle_thread_event(
 940        &mut self,
 941        thread: &Entity<AcpThread>,
 942        event: &AcpThreadEvent,
 943        window: &mut Window,
 944        cx: &mut Context<Self>,
 945    ) {
 946        match event {
 947            AcpThreadEvent::NewEntry => {
 948                let len = thread.read(cx).entries().len();
 949                let index = len - 1;
 950                self.entry_view_state.update(cx, |view_state, cx| {
 951                    view_state.sync_entry(index, thread, window, cx)
 952                });
 953                self.list_state.splice(index..index, 1);
 954            }
 955            AcpThreadEvent::EntryUpdated(index) => {
 956                self.entry_view_state.update(cx, |view_state, cx| {
 957                    view_state.sync_entry(*index, thread, window, cx)
 958                });
 959            }
 960            AcpThreadEvent::EntriesRemoved(range) => {
 961                self.entry_view_state
 962                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
 963                self.list_state.splice(range.clone(), 0);
 964            }
 965            AcpThreadEvent::ToolAuthorizationRequired => {
 966                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
 967            }
 968            AcpThreadEvent::Retry(retry) => {
 969                self.thread_retry_status = Some(retry.clone());
 970            }
 971            AcpThreadEvent::Stopped => {
 972                self.thread_retry_status.take();
 973                let used_tools = thread.read(cx).used_tools_since_last_user_message();
 974                self.notify_with_sound(
 975                    if used_tools {
 976                        "Finished running tools"
 977                    } else {
 978                        "New message"
 979                    },
 980                    IconName::ZedAssistant,
 981                    window,
 982                    cx,
 983                );
 984            }
 985            AcpThreadEvent::Error => {
 986                self.thread_retry_status.take();
 987                self.notify_with_sound(
 988                    "Agent stopped due to an error",
 989                    IconName::Warning,
 990                    window,
 991                    cx,
 992                );
 993            }
 994            AcpThreadEvent::LoadError(error) => {
 995                self.thread_retry_status.take();
 996                self.thread_state = ThreadState::LoadError(error.clone());
 997            }
 998            AcpThreadEvent::TitleUpdated | AcpThreadEvent::TokenUsageUpdated => {}
 999        }
1000        cx.notify();
1001    }
1002
1003    fn authenticate(
1004        &mut self,
1005        method: acp::AuthMethodId,
1006        window: &mut Window,
1007        cx: &mut Context<Self>,
1008    ) {
1009        let ThreadState::Unauthenticated {
1010            connection,
1011            pending_auth_method,
1012            configuration_view,
1013            ..
1014        } = &mut self.thread_state
1015        else {
1016            return;
1017        };
1018
1019        if method.0.as_ref() == "gemini-api-key" {
1020            let registry = LanguageModelRegistry::global(cx);
1021            let provider = registry
1022                .read(cx)
1023                .provider(&language_model::GOOGLE_PROVIDER_ID)
1024                .unwrap();
1025            if !provider.is_authenticated(cx) {
1026                let this = cx.weak_entity();
1027                let agent = self.agent.clone();
1028                let connection = connection.clone();
1029                window.defer(cx, |window, cx| {
1030                    Self::handle_auth_required(
1031                        this,
1032                        AuthRequired {
1033                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1034                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1035                        },
1036                        agent,
1037                        connection,
1038                        window,
1039                        cx,
1040                    );
1041                });
1042                return;
1043            }
1044        } else if method.0.as_ref() == "vertex-ai"
1045            && std::env::var("GOOGLE_API_KEY").is_err()
1046            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1047                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1048        {
1049            let this = cx.weak_entity();
1050            let agent = self.agent.clone();
1051            let connection = connection.clone();
1052
1053            window.defer(cx, |window, cx| {
1054                    Self::handle_auth_required(
1055                        this,
1056                        AuthRequired {
1057                            description: Some(
1058                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1059                                    .to_owned(),
1060                            ),
1061                            provider_id: None,
1062                        },
1063                        agent,
1064                        connection,
1065                        window,
1066                        cx,
1067                    )
1068                });
1069            return;
1070        }
1071
1072        self.thread_error.take();
1073        configuration_view.take();
1074        pending_auth_method.replace(method.clone());
1075        let authenticate = connection.authenticate(method, cx);
1076        cx.notify();
1077        self.auth_task = Some(cx.spawn_in(window, {
1078            let project = self.project.clone();
1079            let agent = self.agent.clone();
1080            async move |this, cx| {
1081                let result = authenticate.await;
1082
1083                this.update_in(cx, |this, window, cx| {
1084                    if let Err(err) = result {
1085                        this.handle_thread_error(err, cx);
1086                    } else {
1087                        this.thread_state = Self::initial_state(
1088                            agent,
1089                            None,
1090                            this.workspace.clone(),
1091                            project.clone(),
1092                            window,
1093                            cx,
1094                        )
1095                    }
1096                    this.auth_task.take()
1097                })
1098                .ok();
1099            }
1100        }));
1101    }
1102
1103    fn authorize_tool_call(
1104        &mut self,
1105        tool_call_id: acp::ToolCallId,
1106        option_id: acp::PermissionOptionId,
1107        option_kind: acp::PermissionOptionKind,
1108        cx: &mut Context<Self>,
1109    ) {
1110        let Some(thread) = self.thread() else {
1111            return;
1112        };
1113        thread.update(cx, |thread, cx| {
1114            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1115        });
1116        cx.notify();
1117    }
1118
1119    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1120        let Some(thread) = self.thread() else {
1121            return;
1122        };
1123        thread
1124            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1125            .detach_and_log_err(cx);
1126        cx.notify();
1127    }
1128
1129    fn render_entry(
1130        &self,
1131        entry_ix: usize,
1132        total_entries: usize,
1133        entry: &AgentThreadEntry,
1134        window: &mut Window,
1135        cx: &Context<Self>,
1136    ) -> AnyElement {
1137        let primary = match &entry {
1138            AgentThreadEntry::UserMessage(message) => {
1139                let Some(editor) = self
1140                    .entry_view_state
1141                    .read(cx)
1142                    .entry(entry_ix)
1143                    .and_then(|entry| entry.message_editor())
1144                    .cloned()
1145                else {
1146                    return Empty.into_any_element();
1147                };
1148
1149                let editing = self.editing_message == Some(entry_ix);
1150                let editor_focus = editor.focus_handle(cx).is_focused(window);
1151                let focus_border = cx.theme().colors().border_focused;
1152
1153                let rules_item = if entry_ix == 0 {
1154                    self.render_rules_item(cx)
1155                } else {
1156                    None
1157                };
1158
1159                v_flex()
1160                    .id(("user_message", entry_ix))
1161                    .pt_2()
1162                    .pb_4()
1163                    .px_2()
1164                    .gap_1p5()
1165                    .w_full()
1166                    .children(rules_item)
1167                    .children(message.id.clone().and_then(|message_id| {
1168                        message.checkpoint.as_ref()?.show.then(|| {
1169                            h_flex()
1170                                .gap_2()
1171                                .child(Divider::horizontal())
1172                                .child(
1173                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1174                                        .icon(IconName::Undo)
1175                                        .icon_size(IconSize::XSmall)
1176                                        .icon_position(IconPosition::Start)
1177                                        .label_size(LabelSize::XSmall)
1178                                        .icon_color(Color::Muted)
1179                                        .color(Color::Muted)
1180                                        .on_click(cx.listener(move |this, _, _window, cx| {
1181                                            this.rewind(&message_id, cx);
1182                                        }))
1183                                )
1184                                .child(Divider::horizontal())
1185                        })
1186                    }))
1187                    .child(
1188                        div()
1189                            .relative()
1190                            .child(
1191                                div()
1192                                    .py_3()
1193                                    .px_2()
1194                                    .rounded_lg()
1195                                    .shadow_md()
1196                                    .bg(cx.theme().colors().editor_background)
1197                                    .border_1()
1198                                    .when(editing && !editor_focus, |this| this.border_dashed())
1199                                    .border_color(cx.theme().colors().border)
1200                                    .map(|this|{
1201                                        if editing && editor_focus {
1202                                            this.border_color(focus_border)
1203                                        } else if message.id.is_some() {
1204                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1205                                        } else {
1206                                            this
1207                                        }
1208                                    })
1209                                    .text_xs()
1210                                    .child(editor.clone().into_any_element()),
1211                            )
1212                            .when(editing && editor_focus, |this|
1213                                this.child(
1214                                    h_flex()
1215                                        .absolute()
1216                                        .top_neg_3p5()
1217                                        .right_3()
1218                                        .gap_1()
1219                                        .rounded_sm()
1220                                        .border_1()
1221                                        .border_color(cx.theme().colors().border)
1222                                        .bg(cx.theme().colors().editor_background)
1223                                        .overflow_hidden()
1224                                        .child(
1225                                            IconButton::new("cancel", IconName::Close)
1226                                                .icon_color(Color::Error)
1227                                                .icon_size(IconSize::XSmall)
1228                                                .on_click(cx.listener(Self::cancel_editing))
1229                                        )
1230                                        .child(
1231                                            IconButton::new("regenerate", IconName::Return)
1232                                                .icon_color(Color::Muted)
1233                                                .icon_size(IconSize::XSmall)
1234                                                .tooltip(Tooltip::text(
1235                                                    "Editing will restart the thread from this point."
1236                                                ))
1237                                                .on_click(cx.listener({
1238                                                    let editor = editor.clone();
1239                                                    move |this, _, window, cx| {
1240                                                        this.regenerate(
1241                                                            entry_ix, &editor, window, cx,
1242                                                        );
1243                                                    }
1244                                                })),
1245                                        )
1246                                )
1247                            ),
1248                    )
1249                    .into_any()
1250            }
1251            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1252                let style = default_markdown_style(false, window, cx);
1253                let message_body = v_flex()
1254                    .w_full()
1255                    .gap_2p5()
1256                    .children(chunks.iter().enumerate().filter_map(
1257                        |(chunk_ix, chunk)| match chunk {
1258                            AssistantMessageChunk::Message { block } => {
1259                                block.markdown().map(|md| {
1260                                    self.render_markdown(md.clone(), style.clone())
1261                                        .into_any_element()
1262                                })
1263                            }
1264                            AssistantMessageChunk::Thought { block } => {
1265                                block.markdown().map(|md| {
1266                                    self.render_thinking_block(
1267                                        entry_ix,
1268                                        chunk_ix,
1269                                        md.clone(),
1270                                        window,
1271                                        cx,
1272                                    )
1273                                    .into_any_element()
1274                                })
1275                            }
1276                        },
1277                    ))
1278                    .into_any();
1279
1280                v_flex()
1281                    .px_5()
1282                    .py_1()
1283                    .when(entry_ix + 1 == total_entries, |this| this.pb_4())
1284                    .w_full()
1285                    .text_ui(cx)
1286                    .child(message_body)
1287                    .into_any()
1288            }
1289            AgentThreadEntry::ToolCall(tool_call) => {
1290                let has_terminals = tool_call.terminals().next().is_some();
1291
1292                div().w_full().py_1p5().px_5().map(|this| {
1293                    if has_terminals {
1294                        this.children(tool_call.terminals().map(|terminal| {
1295                            self.render_terminal_tool_call(
1296                                entry_ix, terminal, tool_call, window, cx,
1297                            )
1298                        }))
1299                    } else {
1300                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1301                    }
1302                })
1303            }
1304            .into_any(),
1305        };
1306
1307        let Some(thread) = self.thread() else {
1308            return primary;
1309        };
1310
1311        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
1312        let primary = if entry_ix == total_entries - 1 && !is_generating {
1313            v_flex()
1314                .w_full()
1315                .child(primary)
1316                .child(self.render_thread_controls(cx))
1317                .when_some(
1318                    self.thread_feedback.comments_editor.clone(),
1319                    |this, editor| {
1320                        this.child(Self::render_feedback_feedback_editor(editor, window, cx))
1321                    },
1322                )
1323                .into_any_element()
1324        } else {
1325            primary
1326        };
1327
1328        if let Some(editing_index) = self.editing_message.as_ref()
1329            && *editing_index < entry_ix
1330        {
1331            let backdrop = div()
1332                .id(("backdrop", entry_ix))
1333                .size_full()
1334                .absolute()
1335                .inset_0()
1336                .bg(cx.theme().colors().panel_background)
1337                .opacity(0.8)
1338                .block_mouse_except_scroll()
1339                .on_click(cx.listener(Self::cancel_editing));
1340
1341            div()
1342                .relative()
1343                .child(primary)
1344                .child(backdrop)
1345                .into_any_element()
1346        } else {
1347            primary
1348        }
1349    }
1350
1351    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1352        cx.theme()
1353            .colors()
1354            .element_background
1355            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1356    }
1357
1358    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1359        cx.theme().colors().border.opacity(0.8)
1360    }
1361
1362    fn tool_name_font_size(&self) -> Rems {
1363        rems_from_px(13.)
1364    }
1365
1366    fn render_thinking_block(
1367        &self,
1368        entry_ix: usize,
1369        chunk_ix: usize,
1370        chunk: Entity<Markdown>,
1371        window: &Window,
1372        cx: &Context<Self>,
1373    ) -> AnyElement {
1374        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1375        let card_header_id = SharedString::from("inner-card-header");
1376        let key = (entry_ix, chunk_ix);
1377        let is_open = self.expanded_thinking_blocks.contains(&key);
1378
1379        v_flex()
1380            .child(
1381                h_flex()
1382                    .id(header_id)
1383                    .group(&card_header_id)
1384                    .relative()
1385                    .w_full()
1386                    .gap_1p5()
1387                    .opacity(0.8)
1388                    .hover(|style| style.opacity(1.))
1389                    .child(
1390                        h_flex()
1391                            .size_4()
1392                            .justify_center()
1393                            .child(
1394                                div()
1395                                    .group_hover(&card_header_id, |s| s.invisible().w_0())
1396                                    .child(
1397                                        Icon::new(IconName::ToolThink)
1398                                            .size(IconSize::Small)
1399                                            .color(Color::Muted),
1400                                    ),
1401                            )
1402                            .child(
1403                                h_flex()
1404                                    .absolute()
1405                                    .inset_0()
1406                                    .invisible()
1407                                    .justify_center()
1408                                    .group_hover(&card_header_id, |s| s.visible())
1409                                    .child(
1410                                        Disclosure::new(("expand", entry_ix), is_open)
1411                                            .opened_icon(IconName::ChevronUp)
1412                                            .closed_icon(IconName::ChevronRight)
1413                                            .on_click(cx.listener({
1414                                                move |this, _event, _window, cx| {
1415                                                    if is_open {
1416                                                        this.expanded_thinking_blocks.remove(&key);
1417                                                    } else {
1418                                                        this.expanded_thinking_blocks.insert(key);
1419                                                    }
1420                                                    cx.notify();
1421                                                }
1422                                            })),
1423                                    ),
1424                            ),
1425                    )
1426                    .child(
1427                        div()
1428                            .text_size(self.tool_name_font_size())
1429                            .child("Thinking"),
1430                    )
1431                    .on_click(cx.listener({
1432                        move |this, _event, _window, cx| {
1433                            if is_open {
1434                                this.expanded_thinking_blocks.remove(&key);
1435                            } else {
1436                                this.expanded_thinking_blocks.insert(key);
1437                            }
1438                            cx.notify();
1439                        }
1440                    })),
1441            )
1442            .when(is_open, |this| {
1443                this.child(
1444                    div()
1445                        .relative()
1446                        .mt_1p5()
1447                        .ml(px(7.))
1448                        .pl_4()
1449                        .border_l_1()
1450                        .border_color(self.tool_card_border_color(cx))
1451                        .text_ui_sm(cx)
1452                        .child(
1453                            self.render_markdown(chunk, default_markdown_style(false, window, cx)),
1454                        ),
1455                )
1456            })
1457            .into_any_element()
1458    }
1459
1460    fn render_tool_call_icon(
1461        &self,
1462        group_name: SharedString,
1463        entry_ix: usize,
1464        is_collapsible: bool,
1465        is_open: bool,
1466        tool_call: &ToolCall,
1467        cx: &Context<Self>,
1468    ) -> Div {
1469        let tool_icon = Icon::new(match tool_call.kind {
1470            acp::ToolKind::Read => IconName::ToolRead,
1471            acp::ToolKind::Edit => IconName::ToolPencil,
1472            acp::ToolKind::Delete => IconName::ToolDeleteFile,
1473            acp::ToolKind::Move => IconName::ArrowRightLeft,
1474            acp::ToolKind::Search => IconName::ToolSearch,
1475            acp::ToolKind::Execute => IconName::ToolTerminal,
1476            acp::ToolKind::Think => IconName::ToolThink,
1477            acp::ToolKind::Fetch => IconName::ToolWeb,
1478            acp::ToolKind::Other => IconName::ToolHammer,
1479        })
1480        .size(IconSize::Small)
1481        .color(Color::Muted);
1482
1483        let base_container = h_flex().size_4().justify_center();
1484
1485        if is_collapsible {
1486            base_container
1487                .child(
1488                    div()
1489                        .group_hover(&group_name, |s| s.invisible().w_0())
1490                        .child(tool_icon),
1491                )
1492                .child(
1493                    h_flex()
1494                        .absolute()
1495                        .inset_0()
1496                        .invisible()
1497                        .justify_center()
1498                        .group_hover(&group_name, |s| s.visible())
1499                        .child(
1500                            Disclosure::new(("expand", entry_ix), is_open)
1501                                .opened_icon(IconName::ChevronUp)
1502                                .closed_icon(IconName::ChevronRight)
1503                                .on_click(cx.listener({
1504                                    let id = tool_call.id.clone();
1505                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1506                                        if is_open {
1507                                            this.expanded_tool_calls.remove(&id);
1508                                        } else {
1509                                            this.expanded_tool_calls.insert(id.clone());
1510                                        }
1511                                        cx.notify();
1512                                    }
1513                                })),
1514                        ),
1515                )
1516        } else {
1517            base_container.child(tool_icon)
1518        }
1519    }
1520
1521    fn render_tool_call(
1522        &self,
1523        entry_ix: usize,
1524        tool_call: &ToolCall,
1525        window: &Window,
1526        cx: &Context<Self>,
1527    ) -> Div {
1528        let header_id = SharedString::from(format!("outer-tool-call-header-{}", entry_ix));
1529        let card_header_id = SharedString::from("inner-tool-call-header");
1530
1531        let status_icon = match &tool_call.status {
1532            ToolCallStatus::Pending
1533            | ToolCallStatus::WaitingForConfirmation { .. }
1534            | ToolCallStatus::Completed => None,
1535            ToolCallStatus::InProgress => Some(
1536                Icon::new(IconName::ArrowCircle)
1537                    .color(Color::Accent)
1538                    .size(IconSize::Small)
1539                    .with_animation(
1540                        "running",
1541                        Animation::new(Duration::from_secs(2)).repeat(),
1542                        |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
1543                    )
1544                    .into_any(),
1545            ),
1546            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => Some(
1547                Icon::new(IconName::Close)
1548                    .color(Color::Error)
1549                    .size(IconSize::Small)
1550                    .into_any_element(),
1551            ),
1552        };
1553
1554        let needs_confirmation = matches!(
1555            tool_call.status,
1556            ToolCallStatus::WaitingForConfirmation { .. }
1557        );
1558        let is_edit =
1559            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
1560        let use_card_layout = needs_confirmation || is_edit;
1561
1562        let is_collapsible = !tool_call.content.is_empty() && !use_card_layout;
1563
1564        let is_open =
1565            needs_confirmation || is_edit || self.expanded_tool_calls.contains(&tool_call.id);
1566
1567        let gradient_overlay = |color: Hsla| {
1568            div()
1569                .absolute()
1570                .top_0()
1571                .right_0()
1572                .w_12()
1573                .h_full()
1574                .bg(linear_gradient(
1575                    90.,
1576                    linear_color_stop(color, 1.),
1577                    linear_color_stop(color.opacity(0.2), 0.),
1578                ))
1579        };
1580        let gradient_color = if use_card_layout {
1581            self.tool_card_header_bg(cx)
1582        } else {
1583            cx.theme().colors().panel_background
1584        };
1585
1586        let tool_output_display = if is_open {
1587            match &tool_call.status {
1588                ToolCallStatus::WaitingForConfirmation { options, .. } => {
1589                    v_flex()
1590                        .w_full()
1591                        .children(tool_call.content.iter().map(|content| {
1592                            div()
1593                                .child(self.render_tool_call_content(
1594                                    entry_ix, content, tool_call, window, cx,
1595                                ))
1596                                .into_any_element()
1597                        }))
1598                        .child(self.render_permission_buttons(
1599                            options,
1600                            entry_ix,
1601                            tool_call.id.clone(),
1602                            tool_call.content.is_empty(),
1603                            cx,
1604                        ))
1605                        .into_any()
1606                }
1607                ToolCallStatus::Pending | ToolCallStatus::InProgress
1608                    if is_edit && tool_call.content.is_empty() =>
1609                {
1610                    self.render_diff_loading(cx).into_any()
1611                }
1612                ToolCallStatus::Pending
1613                | ToolCallStatus::InProgress
1614                | ToolCallStatus::Completed
1615                | ToolCallStatus::Failed
1616                | ToolCallStatus::Canceled => v_flex()
1617                    .w_full()
1618                    .children(tool_call.content.iter().map(|content| {
1619                        div().child(
1620                            self.render_tool_call_content(entry_ix, content, tool_call, window, cx),
1621                        )
1622                    }))
1623                    .into_any(),
1624                ToolCallStatus::Rejected => Empty.into_any(),
1625            }
1626            .into()
1627        } else {
1628            None
1629        };
1630
1631        v_flex()
1632            .when(use_card_layout, |this| {
1633                this.rounded_lg()
1634                    .border_1()
1635                    .border_color(self.tool_card_border_color(cx))
1636                    .bg(cx.theme().colors().editor_background)
1637                    .overflow_hidden()
1638            })
1639            .child(
1640                h_flex()
1641                    .id(header_id)
1642                    .w_full()
1643                    .gap_1()
1644                    .justify_between()
1645                    .map(|this| {
1646                        if use_card_layout {
1647                            this.pl_2()
1648                                .pr_1p5()
1649                                .py_1()
1650                                .rounded_t_md()
1651                                .when(is_open, |this| {
1652                                    this.border_b_1()
1653                                        .border_color(self.tool_card_border_color(cx))
1654                                })
1655                                .bg(self.tool_card_header_bg(cx))
1656                        } else {
1657                            this.opacity(0.8).hover(|style| style.opacity(1.))
1658                        }
1659                    })
1660                    .child(
1661                        h_flex()
1662                            .group(&card_header_id)
1663                            .relative()
1664                            .w_full()
1665                            .min_h_6()
1666                            .text_size(self.tool_name_font_size())
1667                            .child(self.render_tool_call_icon(
1668                                card_header_id,
1669                                entry_ix,
1670                                is_collapsible,
1671                                is_open,
1672                                tool_call,
1673                                cx,
1674                            ))
1675                            .child(if tool_call.locations.len() == 1 {
1676                                let name = tool_call.locations[0]
1677                                    .path
1678                                    .file_name()
1679                                    .unwrap_or_default()
1680                                    .display()
1681                                    .to_string();
1682
1683                                h_flex()
1684                                    .id(("open-tool-call-location", entry_ix))
1685                                    .w_full()
1686                                    .max_w_full()
1687                                    .px_1p5()
1688                                    .rounded_sm()
1689                                    .overflow_x_scroll()
1690                                    .opacity(0.8)
1691                                    .hover(|label| {
1692                                        label.opacity(1.).bg(cx
1693                                            .theme()
1694                                            .colors()
1695                                            .element_hover
1696                                            .opacity(0.5))
1697                                    })
1698                                    .child(name)
1699                                    .tooltip(Tooltip::text("Jump to File"))
1700                                    .on_click(cx.listener(move |this, _, window, cx| {
1701                                        this.open_tool_call_location(entry_ix, 0, window, cx);
1702                                    }))
1703                                    .into_any_element()
1704                            } else {
1705                                h_flex()
1706                                    .id("non-card-label-container")
1707                                    .w_full()
1708                                    .relative()
1709                                    .ml_1p5()
1710                                    .overflow_hidden()
1711                                    .child(
1712                                        h_flex()
1713                                            .id("non-card-label")
1714                                            .pr_8()
1715                                            .w_full()
1716                                            .overflow_x_scroll()
1717                                            .child(self.render_markdown(
1718                                                tool_call.label.clone(),
1719                                                default_markdown_style(false, window, cx),
1720                                            )),
1721                                    )
1722                                    .child(gradient_overlay(gradient_color))
1723                                    .on_click(cx.listener({
1724                                        let id = tool_call.id.clone();
1725                                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1726                                            if is_open {
1727                                                this.expanded_tool_calls.remove(&id);
1728                                            } else {
1729                                                this.expanded_tool_calls.insert(id.clone());
1730                                            }
1731                                            cx.notify();
1732                                        }
1733                                    }))
1734                                    .into_any()
1735                            }),
1736                    )
1737                    .children(status_icon),
1738            )
1739            .children(tool_output_display)
1740    }
1741
1742    fn render_tool_call_content(
1743        &self,
1744        entry_ix: usize,
1745        content: &ToolCallContent,
1746        tool_call: &ToolCall,
1747        window: &Window,
1748        cx: &Context<Self>,
1749    ) -> AnyElement {
1750        match content {
1751            ToolCallContent::ContentBlock(content) => {
1752                if let Some(resource_link) = content.resource_link() {
1753                    self.render_resource_link(resource_link, cx)
1754                } else if let Some(markdown) = content.markdown() {
1755                    self.render_markdown_output(markdown.clone(), tool_call.id.clone(), window, cx)
1756                } else {
1757                    Empty.into_any_element()
1758                }
1759            }
1760            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
1761            ToolCallContent::Terminal(terminal) => {
1762                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
1763            }
1764        }
1765    }
1766
1767    fn render_markdown_output(
1768        &self,
1769        markdown: Entity<Markdown>,
1770        tool_call_id: acp::ToolCallId,
1771        window: &Window,
1772        cx: &Context<Self>,
1773    ) -> AnyElement {
1774        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
1775
1776        v_flex()
1777            .mt_1p5()
1778            .ml(px(7.))
1779            .px_3p5()
1780            .gap_2()
1781            .border_l_1()
1782            .border_color(self.tool_card_border_color(cx))
1783            .text_sm()
1784            .text_color(cx.theme().colors().text_muted)
1785            .child(self.render_markdown(markdown, default_markdown_style(false, window, cx)))
1786            .child(
1787                Button::new(button_id, "Collapse Output")
1788                    .full_width()
1789                    .style(ButtonStyle::Outlined)
1790                    .label_size(LabelSize::Small)
1791                    .icon(IconName::ChevronUp)
1792                    .icon_color(Color::Muted)
1793                    .icon_position(IconPosition::Start)
1794                    .on_click(cx.listener({
1795                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1796                            this.expanded_tool_calls.remove(&tool_call_id);
1797                            cx.notify();
1798                        }
1799                    })),
1800            )
1801            .into_any_element()
1802    }
1803
1804    fn render_resource_link(
1805        &self,
1806        resource_link: &acp::ResourceLink,
1807        cx: &Context<Self>,
1808    ) -> AnyElement {
1809        let uri: SharedString = resource_link.uri.clone().into();
1810
1811        let label: SharedString = if let Some(path) = resource_link.uri.strip_prefix("file://") {
1812            path.to_string().into()
1813        } else {
1814            uri.clone()
1815        };
1816
1817        let button_id = SharedString::from(format!("item-{}", uri));
1818
1819        div()
1820            .ml(px(7.))
1821            .pl_2p5()
1822            .border_l_1()
1823            .border_color(self.tool_card_border_color(cx))
1824            .overflow_hidden()
1825            .child(
1826                Button::new(button_id, label)
1827                    .label_size(LabelSize::Small)
1828                    .color(Color::Muted)
1829                    .icon(IconName::ArrowUpRight)
1830                    .icon_size(IconSize::XSmall)
1831                    .icon_color(Color::Muted)
1832                    .truncate(true)
1833                    .on_click(cx.listener({
1834                        let workspace = self.workspace.clone();
1835                        move |_, _, window, cx: &mut Context<Self>| {
1836                            Self::open_link(uri.clone(), &workspace, window, cx);
1837                        }
1838                    })),
1839            )
1840            .into_any_element()
1841    }
1842
1843    fn render_permission_buttons(
1844        &self,
1845        options: &[acp::PermissionOption],
1846        entry_ix: usize,
1847        tool_call_id: acp::ToolCallId,
1848        empty_content: bool,
1849        cx: &Context<Self>,
1850    ) -> Div {
1851        h_flex()
1852            .py_1()
1853            .pl_2()
1854            .pr_1()
1855            .gap_1()
1856            .justify_between()
1857            .flex_wrap()
1858            .when(!empty_content, |this| {
1859                this.border_t_1()
1860                    .border_color(self.tool_card_border_color(cx))
1861            })
1862            .child(
1863                div()
1864                    .min_w(rems_from_px(145.))
1865                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
1866            )
1867            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
1868                let option_id = SharedString::from(option.id.0.clone());
1869                Button::new((option_id, entry_ix), option.name.clone())
1870                    .map(|this| match option.kind {
1871                        acp::PermissionOptionKind::AllowOnce => {
1872                            this.icon(IconName::Check).icon_color(Color::Success)
1873                        }
1874                        acp::PermissionOptionKind::AllowAlways => {
1875                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
1876                        }
1877                        acp::PermissionOptionKind::RejectOnce => {
1878                            this.icon(IconName::Close).icon_color(Color::Error)
1879                        }
1880                        acp::PermissionOptionKind::RejectAlways => {
1881                            this.icon(IconName::Close).icon_color(Color::Error)
1882                        }
1883                    })
1884                    .icon_position(IconPosition::Start)
1885                    .icon_size(IconSize::XSmall)
1886                    .label_size(LabelSize::Small)
1887                    .on_click(cx.listener({
1888                        let tool_call_id = tool_call_id.clone();
1889                        let option_id = option.id.clone();
1890                        let option_kind = option.kind;
1891                        move |this, _, _, cx| {
1892                            this.authorize_tool_call(
1893                                tool_call_id.clone(),
1894                                option_id.clone(),
1895                                option_kind,
1896                                cx,
1897                            );
1898                        }
1899                    }))
1900            })))
1901    }
1902
1903    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
1904        let bar = |n: u64, width_class: &str| {
1905            let bg_color = cx.theme().colors().element_active;
1906            let base = h_flex().h_1().rounded_full();
1907
1908            let modified = match width_class {
1909                "w_4_5" => base.w_3_4(),
1910                "w_1_4" => base.w_1_4(),
1911                "w_2_4" => base.w_2_4(),
1912                "w_3_5" => base.w_3_5(),
1913                "w_2_5" => base.w_2_5(),
1914                _ => base.w_1_2(),
1915            };
1916
1917            modified.with_animation(
1918                ElementId::Integer(n),
1919                Animation::new(Duration::from_secs(2)).repeat(),
1920                move |tab, delta| {
1921                    let delta = (delta - 0.15 * n as f32) / 0.7;
1922                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
1923                    let delta = ease_in_out(delta.clamp(0., 1.));
1924                    let delta = 0.1 + 0.9 * delta;
1925
1926                    tab.bg(bg_color.opacity(delta))
1927                },
1928            )
1929        };
1930
1931        v_flex()
1932            .p_3()
1933            .gap_1()
1934            .rounded_b_md()
1935            .bg(cx.theme().colors().editor_background)
1936            .child(bar(0, "w_4_5"))
1937            .child(bar(1, "w_1_4"))
1938            .child(bar(2, "w_2_4"))
1939            .child(bar(3, "w_3_5"))
1940            .child(bar(4, "w_2_5"))
1941            .into_any_element()
1942    }
1943
1944    fn render_diff_editor(
1945        &self,
1946        entry_ix: usize,
1947        diff: &Entity<acp_thread::Diff>,
1948        tool_call: &ToolCall,
1949        cx: &Context<Self>,
1950    ) -> AnyElement {
1951        let tool_progress = matches!(
1952            &tool_call.status,
1953            ToolCallStatus::InProgress | ToolCallStatus::Pending
1954        );
1955
1956        v_flex()
1957            .h_full()
1958            .child(
1959                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
1960                    && let Some(editor) = entry.editor_for_diff(diff)
1961                    && diff.read(cx).has_revealed_range(cx)
1962                {
1963                    editor.into_any_element()
1964                } else if tool_progress {
1965                    self.render_diff_loading(cx)
1966                } else {
1967                    Empty.into_any()
1968                },
1969            )
1970            .into_any()
1971    }
1972
1973    fn render_terminal_tool_call(
1974        &self,
1975        entry_ix: usize,
1976        terminal: &Entity<acp_thread::Terminal>,
1977        tool_call: &ToolCall,
1978        window: &Window,
1979        cx: &Context<Self>,
1980    ) -> AnyElement {
1981        let terminal_data = terminal.read(cx);
1982        let working_dir = terminal_data.working_dir();
1983        let command = terminal_data.command();
1984        let started_at = terminal_data.started_at();
1985
1986        let tool_failed = matches!(
1987            &tool_call.status,
1988            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
1989        );
1990
1991        let output = terminal_data.output();
1992        let command_finished = output.is_some();
1993        let truncated_output = output.is_some_and(|output| output.was_content_truncated);
1994        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
1995
1996        let command_failed = command_finished
1997            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
1998
1999        let time_elapsed = if let Some(output) = output {
2000            output.ended_at.duration_since(started_at)
2001        } else {
2002            started_at.elapsed()
2003        };
2004
2005        let header_bg = cx
2006            .theme()
2007            .colors()
2008            .element_background
2009            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2010        let border_color = cx.theme().colors().border.opacity(0.6);
2011
2012        let working_dir = working_dir
2013            .as_ref()
2014            .map(|path| format!("{}", path.display()))
2015            .unwrap_or_else(|| "current directory".to_string());
2016
2017        let is_expanded = self.expanded_terminals.contains(&terminal.entity_id());
2018
2019        let header = h_flex()
2020            .id(SharedString::from(format!(
2021                "terminal-tool-header-{}",
2022                terminal.entity_id()
2023            )))
2024            .flex_none()
2025            .gap_1()
2026            .justify_between()
2027            .rounded_t_md()
2028            .child(
2029                div()
2030                    .id(("command-target-path", terminal.entity_id()))
2031                    .w_full()
2032                    .max_w_full()
2033                    .overflow_x_scroll()
2034                    .child(
2035                        Label::new(working_dir)
2036                            .buffer_font(cx)
2037                            .size(LabelSize::XSmall)
2038                            .color(Color::Muted),
2039                    ),
2040            )
2041            .when(!command_finished, |header| {
2042                header
2043                    .gap_1p5()
2044                    .child(
2045                        Button::new(
2046                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2047                            "Stop",
2048                        )
2049                        .icon(IconName::Stop)
2050                        .icon_position(IconPosition::Start)
2051                        .icon_size(IconSize::Small)
2052                        .icon_color(Color::Error)
2053                        .label_size(LabelSize::Small)
2054                        .tooltip(move |window, cx| {
2055                            Tooltip::with_meta(
2056                                "Stop This Command",
2057                                None,
2058                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2059                                window,
2060                                cx,
2061                            )
2062                        })
2063                        .on_click({
2064                            let terminal = terminal.clone();
2065                            cx.listener(move |_this, _event, _window, cx| {
2066                                let inner_terminal = terminal.read(cx).inner().clone();
2067                                inner_terminal.update(cx, |inner_terminal, _cx| {
2068                                    inner_terminal.kill_active_task();
2069                                });
2070                            })
2071                        }),
2072                    )
2073                    .child(Divider::vertical())
2074                    .child(
2075                        Icon::new(IconName::ArrowCircle)
2076                            .size(IconSize::XSmall)
2077                            .color(Color::Info)
2078                            .with_animation(
2079                                "arrow-circle",
2080                                Animation::new(Duration::from_secs(2)).repeat(),
2081                                |icon, delta| {
2082                                    icon.transform(Transformation::rotate(percentage(delta)))
2083                                },
2084                            ),
2085                    )
2086            })
2087            .when(tool_failed || command_failed, |header| {
2088                header.child(
2089                    div()
2090                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2091                        .child(
2092                            Icon::new(IconName::Close)
2093                                .size(IconSize::Small)
2094                                .color(Color::Error),
2095                        )
2096                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2097                            this.tooltip(Tooltip::text(format!(
2098                                "Exited with code {}",
2099                                status.code().unwrap_or(-1),
2100                            )))
2101                        }),
2102                )
2103            })
2104            .when(truncated_output, |header| {
2105                let tooltip = if let Some(output) = output {
2106                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2107                        "Output exceeded terminal max lines and was \
2108                            truncated, the model received the first 16 KB."
2109                            .to_string()
2110                    } else {
2111                        format!(
2112                            "Output is {} long—to avoid unexpected token usage, \
2113                                only 16 KB was sent back to the model.",
2114                            format_file_size(output.original_content_len as u64, true),
2115                        )
2116                    }
2117                } else {
2118                    "Output was truncated".to_string()
2119                };
2120
2121                header.child(
2122                    h_flex()
2123                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2124                        .gap_1()
2125                        .child(
2126                            Icon::new(IconName::Info)
2127                                .size(IconSize::XSmall)
2128                                .color(Color::Ignored),
2129                        )
2130                        .child(
2131                            Label::new("Truncated")
2132                                .color(Color::Muted)
2133                                .size(LabelSize::XSmall),
2134                        )
2135                        .tooltip(Tooltip::text(tooltip)),
2136                )
2137            })
2138            .when(time_elapsed > Duration::from_secs(10), |header| {
2139                header.child(
2140                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2141                        .buffer_font(cx)
2142                        .color(Color::Muted)
2143                        .size(LabelSize::XSmall),
2144                )
2145            })
2146            .child(
2147                Disclosure::new(
2148                    SharedString::from(format!(
2149                        "terminal-tool-disclosure-{}",
2150                        terminal.entity_id()
2151                    )),
2152                    is_expanded,
2153                )
2154                .opened_icon(IconName::ChevronUp)
2155                .closed_icon(IconName::ChevronDown)
2156                .on_click(cx.listener({
2157                    let terminal_id = terminal.entity_id();
2158                    move |this, _event, _window, _cx| {
2159                        if is_expanded {
2160                            this.expanded_terminals.remove(&terminal_id);
2161                        } else {
2162                            this.expanded_terminals.insert(terminal_id);
2163                        }
2164                    }
2165                })),
2166            );
2167
2168        let terminal_view = self
2169            .entry_view_state
2170            .read(cx)
2171            .entry(entry_ix)
2172            .and_then(|entry| entry.terminal(terminal));
2173        let show_output = is_expanded && terminal_view.is_some();
2174
2175        v_flex()
2176            .mb_2()
2177            .border_1()
2178            .when(tool_failed || command_failed, |card| card.border_dashed())
2179            .border_color(border_color)
2180            .rounded_lg()
2181            .overflow_hidden()
2182            .child(
2183                v_flex()
2184                    .py_1p5()
2185                    .pl_2()
2186                    .pr_1p5()
2187                    .gap_0p5()
2188                    .bg(header_bg)
2189                    .text_xs()
2190                    .child(header)
2191                    .child(
2192                        MarkdownElement::new(
2193                            command.clone(),
2194                            terminal_command_markdown_style(window, cx),
2195                        )
2196                        .code_block_renderer(
2197                            markdown::CodeBlockRenderer::Default {
2198                                copy_button: false,
2199                                copy_button_on_hover: true,
2200                                border: false,
2201                            },
2202                        ),
2203                    ),
2204            )
2205            .when(show_output, |this| {
2206                this.child(
2207                    div()
2208                        .pt_2()
2209                        .border_t_1()
2210                        .when(tool_failed || command_failed, |card| card.border_dashed())
2211                        .border_color(border_color)
2212                        .bg(cx.theme().colors().editor_background)
2213                        .rounded_b_md()
2214                        .text_ui_sm(cx)
2215                        .children(terminal_view.clone()),
2216                )
2217            })
2218            .into_any()
2219    }
2220
2221    fn render_agent_logo(&self) -> AnyElement {
2222        Icon::new(self.agent.logo())
2223            .color(Color::Muted)
2224            .size(IconSize::XLarge)
2225            .into_any_element()
2226    }
2227
2228    fn render_error_agent_logo(&self) -> AnyElement {
2229        let logo = Icon::new(self.agent.logo())
2230            .color(Color::Muted)
2231            .size(IconSize::XLarge)
2232            .into_any_element();
2233
2234        h_flex()
2235            .relative()
2236            .justify_center()
2237            .child(div().opacity(0.3).child(logo))
2238            .child(
2239                h_flex()
2240                    .absolute()
2241                    .right_1()
2242                    .bottom_0()
2243                    .child(Icon::new(IconName::XCircleFilled).color(Color::Error)),
2244            )
2245            .into_any_element()
2246    }
2247
2248    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2249        let project_context = self
2250            .as_native_thread(cx)?
2251            .read(cx)
2252            .project_context()
2253            .read(cx);
2254
2255        let user_rules_text = if project_context.user_rules.is_empty() {
2256            None
2257        } else if project_context.user_rules.len() == 1 {
2258            let user_rules = &project_context.user_rules[0];
2259
2260            match user_rules.title.as_ref() {
2261                Some(title) => Some(format!("Using \"{title}\" user rule")),
2262                None => Some("Using user rule".into()),
2263            }
2264        } else {
2265            Some(format!(
2266                "Using {} user rules",
2267                project_context.user_rules.len()
2268            ))
2269        };
2270
2271        let first_user_rules_id = project_context
2272            .user_rules
2273            .first()
2274            .map(|user_rules| user_rules.uuid.0);
2275
2276        let rules_files = project_context
2277            .worktrees
2278            .iter()
2279            .filter_map(|worktree| worktree.rules_file.as_ref())
2280            .collect::<Vec<_>>();
2281
2282        let rules_file_text = match rules_files.as_slice() {
2283            &[] => None,
2284            &[rules_file] => Some(format!(
2285                "Using project {:?} file",
2286                rules_file.path_in_worktree
2287            )),
2288            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2289        };
2290
2291        if user_rules_text.is_none() && rules_file_text.is_none() {
2292            return None;
2293        }
2294
2295        Some(
2296            v_flex()
2297                .px_2p5()
2298                .gap_1()
2299                .when_some(user_rules_text, |parent, user_rules_text| {
2300                    parent.child(
2301                        h_flex()
2302                            .group("user-rules")
2303                            .id("user-rules")
2304                            .w_full()
2305                            .child(
2306                                Icon::new(IconName::Reader)
2307                                    .size(IconSize::XSmall)
2308                                    .color(Color::Disabled),
2309                            )
2310                            .child(
2311                                Label::new(user_rules_text)
2312                                    .size(LabelSize::XSmall)
2313                                    .color(Color::Muted)
2314                                    .truncate()
2315                                    .buffer_font(cx)
2316                                    .ml_1p5()
2317                                    .mr_0p5(),
2318                            )
2319                            .child(
2320                                IconButton::new("open-prompt-library", IconName::ArrowUpRight)
2321                                    .shape(ui::IconButtonShape::Square)
2322                                    .icon_size(IconSize::XSmall)
2323                                    .icon_color(Color::Ignored)
2324                                    .visible_on_hover("user-rules")
2325                                    // TODO: Figure out a way to pass focus handle here so we can display the `OpenRulesLibrary`  keybinding
2326                                    .tooltip(Tooltip::text("View User Rules")),
2327                            )
2328                            .on_click(move |_event, window, cx| {
2329                                window.dispatch_action(
2330                                    Box::new(OpenRulesLibrary {
2331                                        prompt_to_select: first_user_rules_id,
2332                                    }),
2333                                    cx,
2334                                )
2335                            }),
2336                    )
2337                })
2338                .when_some(rules_file_text, |parent, rules_file_text| {
2339                    parent.child(
2340                        h_flex()
2341                            .group("project-rules")
2342                            .id("project-rules")
2343                            .w_full()
2344                            .child(
2345                                Icon::new(IconName::Reader)
2346                                    .size(IconSize::XSmall)
2347                                    .color(Color::Disabled),
2348                            )
2349                            .child(
2350                                Label::new(rules_file_text)
2351                                    .size(LabelSize::XSmall)
2352                                    .color(Color::Muted)
2353                                    .buffer_font(cx)
2354                                    .ml_1p5()
2355                                    .mr_0p5(),
2356                            )
2357                            .child(
2358                                IconButton::new("open-rule", IconName::ArrowUpRight)
2359                                    .shape(ui::IconButtonShape::Square)
2360                                    .icon_size(IconSize::XSmall)
2361                                    .icon_color(Color::Ignored)
2362                                    .visible_on_hover("project-rules")
2363                                    .tooltip(Tooltip::text("View Project Rules")),
2364                            )
2365                            .on_click(cx.listener(Self::handle_open_rules)),
2366                    )
2367                })
2368                .into_any(),
2369        )
2370    }
2371
2372    fn render_empty_state_section_header(
2373        &self,
2374        label: impl Into<SharedString>,
2375        action_slot: Option<AnyElement>,
2376        cx: &mut Context<Self>,
2377    ) -> impl IntoElement {
2378        div().pl_1().pr_1p5().child(
2379            h_flex()
2380                .mt_2()
2381                .pl_1p5()
2382                .pb_1()
2383                .w_full()
2384                .justify_between()
2385                .border_b_1()
2386                .border_color(cx.theme().colors().border_variant)
2387                .child(
2388                    Label::new(label.into())
2389                        .size(LabelSize::Small)
2390                        .color(Color::Muted),
2391                )
2392                .children(action_slot),
2393        )
2394    }
2395
2396    fn render_empty_state(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2397        let loading = matches!(&self.thread_state, ThreadState::Loading { .. });
2398        let recent_history = self
2399            .history_store
2400            .update(cx, |history_store, cx| history_store.recent_entries(3, cx));
2401        let no_history = self
2402            .history_store
2403            .update(cx, |history_store, cx| history_store.is_empty(cx));
2404
2405        v_flex()
2406            .size_full()
2407            .when(no_history, |this| {
2408                this.child(
2409                    v_flex()
2410                        .size_full()
2411                        .items_center()
2412                        .justify_center()
2413                        .child(if loading {
2414                            h_flex()
2415                                .justify_center()
2416                                .child(self.render_agent_logo())
2417                                .with_animation(
2418                                    "pulsating_icon",
2419                                    Animation::new(Duration::from_secs(2))
2420                                        .repeat()
2421                                        .with_easing(pulsating_between(0.4, 1.0)),
2422                                    |icon, delta| icon.opacity(delta),
2423                                )
2424                                .into_any()
2425                        } else {
2426                            self.render_agent_logo().into_any_element()
2427                        })
2428                        .child(h_flex().mt_4().mb_2().justify_center().child(if loading {
2429                            div()
2430                                .child(LoadingLabel::new("").size(LabelSize::Large))
2431                                .into_any_element()
2432                        } else {
2433                            Headline::new(self.agent.empty_state_headline())
2434                                .size(HeadlineSize::Medium)
2435                                .into_any_element()
2436                        })),
2437                )
2438            })
2439            .when(!no_history, |this| {
2440                this.justify_end().child(
2441                    v_flex()
2442                        .child(
2443                            self.render_empty_state_section_header(
2444                                "Recent",
2445                                Some(
2446                                    Button::new("view-history", "View All")
2447                                        .style(ButtonStyle::Subtle)
2448                                        .label_size(LabelSize::Small)
2449                                        .key_binding(
2450                                            KeyBinding::for_action_in(
2451                                                &OpenHistory,
2452                                                &self.focus_handle(cx),
2453                                                window,
2454                                                cx,
2455                                            )
2456                                            .map(|kb| kb.size(rems_from_px(12.))),
2457                                        )
2458                                        .on_click(move |_event, window, cx| {
2459                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2460                                        })
2461                                        .into_any_element(),
2462                                ),
2463                                cx,
2464                            ),
2465                        )
2466                        .child(
2467                            v_flex().p_1().pr_1p5().gap_1().children(
2468                                recent_history
2469                                    .into_iter()
2470                                    .enumerate()
2471                                    .map(|(index, entry)| {
2472                                        // TODO: Add keyboard navigation.
2473                                        let is_hovered =
2474                                            self.hovered_recent_history_item == Some(index);
2475                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2476                                            entry,
2477                                            cx.entity().downgrade(),
2478                                        )
2479                                        .hovered(is_hovered)
2480                                        .on_hover(cx.listener(
2481                                            move |this, is_hovered, _window, cx| {
2482                                                if *is_hovered {
2483                                                    this.hovered_recent_history_item = Some(index);
2484                                                } else if this.hovered_recent_history_item
2485                                                    == Some(index)
2486                                                {
2487                                                    this.hovered_recent_history_item = None;
2488                                                }
2489                                                cx.notify();
2490                                            },
2491                                        ))
2492                                        .into_any_element()
2493                                    }),
2494                            ),
2495                        ),
2496                )
2497            })
2498            .into_any()
2499    }
2500
2501    fn render_auth_required_state(
2502        &self,
2503        connection: &Rc<dyn AgentConnection>,
2504        description: Option<&Entity<Markdown>>,
2505        configuration_view: Option<&AnyView>,
2506        pending_auth_method: Option<&acp::AuthMethodId>,
2507        window: &mut Window,
2508        cx: &Context<Self>,
2509    ) -> Div {
2510        v_flex()
2511            .p_2()
2512            .gap_2()
2513            .flex_1()
2514            .items_center()
2515            .justify_center()
2516            .child(
2517                v_flex()
2518                    .items_center()
2519                    .justify_center()
2520                    .child(self.render_error_agent_logo())
2521                    .child(
2522                        h_flex().mt_4().mb_1().justify_center().child(
2523                            Headline::new("Authentication Required").size(HeadlineSize::Medium),
2524                        ),
2525                    )
2526                    .into_any(),
2527            )
2528            .children(description.map(|desc| {
2529                div().text_ui(cx).text_center().child(
2530                    self.render_markdown(desc.clone(), default_markdown_style(false, window, cx)),
2531                )
2532            }))
2533            .children(
2534                configuration_view
2535                    .cloned()
2536                    .map(|view| div().px_4().w_full().max_w_128().child(view)),
2537            )
2538            .when(
2539                configuration_view.is_none()
2540                    && description.is_none()
2541                    && pending_auth_method.is_none(),
2542                |el| {
2543                    el.child(
2544                        div()
2545                            .text_ui(cx)
2546                            .text_center()
2547                            .px_4()
2548                            .w_full()
2549                            .max_w_128()
2550                            .child(Label::new("Authentication required")),
2551                    )
2552                },
2553            )
2554            .when_some(pending_auth_method, |el, _| {
2555                let spinner_icon = div()
2556                    .px_0p5()
2557                    .id("generating")
2558                    .tooltip(Tooltip::text("Generating Changes…"))
2559                    .child(
2560                        Icon::new(IconName::ArrowCircle)
2561                            .size(IconSize::Small)
2562                            .with_animation(
2563                                "arrow-circle",
2564                                Animation::new(Duration::from_secs(2)).repeat(),
2565                                |icon, delta| {
2566                                    icon.transform(Transformation::rotate(percentage(delta)))
2567                                },
2568                            )
2569                            .into_any_element(),
2570                    )
2571                    .into_any();
2572                el.child(
2573                    h_flex()
2574                        .text_ui(cx)
2575                        .text_center()
2576                        .justify_center()
2577                        .gap_2()
2578                        .px_4()
2579                        .w_full()
2580                        .max_w_128()
2581                        .child(Label::new("Authenticating..."))
2582                        .child(spinner_icon),
2583                )
2584            })
2585            .child(
2586                h_flex()
2587                    .mt_1p5()
2588                    .gap_1()
2589                    .flex_wrap()
2590                    .justify_center()
2591                    .children(connection.auth_methods().iter().enumerate().rev().map(
2592                        |(ix, method)| {
2593                            Button::new(
2594                                SharedString::from(method.id.0.clone()),
2595                                method.name.clone(),
2596                            )
2597                            .style(ButtonStyle::Outlined)
2598                            .when(ix == 0, |el| {
2599                                el.style(ButtonStyle::Tinted(ui::TintColor::Accent))
2600                            })
2601                            .size(ButtonSize::Medium)
2602                            .label_size(LabelSize::Small)
2603                            .on_click({
2604                                let method_id = method.id.clone();
2605                                cx.listener(move |this, _, window, cx| {
2606                                    this.authenticate(method_id.clone(), window, cx)
2607                                })
2608                            })
2609                        },
2610                    )),
2611            )
2612    }
2613
2614    fn render_load_error(&self, e: &LoadError, cx: &Context<Self>) -> AnyElement {
2615        let mut container = v_flex()
2616            .items_center()
2617            .justify_center()
2618            .child(self.render_error_agent_logo())
2619            .child(
2620                v_flex()
2621                    .mt_4()
2622                    .mb_2()
2623                    .gap_0p5()
2624                    .text_center()
2625                    .items_center()
2626                    .child(Headline::new("Failed to launch").size(HeadlineSize::Medium))
2627                    .child(
2628                        Label::new(e.to_string())
2629                            .size(LabelSize::Small)
2630                            .color(Color::Muted),
2631                    ),
2632            );
2633
2634        if let LoadError::Unsupported {
2635            upgrade_message,
2636            upgrade_command,
2637            ..
2638        } = &e
2639        {
2640            let upgrade_message = upgrade_message.clone();
2641            let upgrade_command = upgrade_command.clone();
2642            container = container.child(
2643                Button::new("upgrade", upgrade_message)
2644                    .tooltip(Tooltip::text(upgrade_command.clone()))
2645                    .on_click(cx.listener(move |this, _, window, cx| {
2646                        let task = this
2647                            .workspace
2648                            .update(cx, |workspace, cx| {
2649                                let project = workspace.project().read(cx);
2650                                let cwd = project.first_project_directory(cx);
2651                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2652                                let spawn_in_terminal = task::SpawnInTerminal {
2653                                    id: task::TaskId("upgrade".to_string()),
2654                                    full_label: upgrade_command.clone(),
2655                                    label: upgrade_command.clone(),
2656                                    command: Some(upgrade_command.clone()),
2657                                    args: Vec::new(),
2658                                    command_label: upgrade_command.clone(),
2659                                    cwd,
2660                                    env: Default::default(),
2661                                    use_new_terminal: true,
2662                                    allow_concurrent_runs: true,
2663                                    reveal: Default::default(),
2664                                    reveal_target: Default::default(),
2665                                    hide: Default::default(),
2666                                    shell,
2667                                    show_summary: true,
2668                                    show_command: true,
2669                                    show_rerun: false,
2670                                };
2671                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2672                            })
2673                            .ok();
2674                        let Some(task) = task else { return };
2675                        cx.spawn_in(window, async move |this, cx| {
2676                            if let Some(Ok(_)) = task.await {
2677                                this.update_in(cx, |this, window, cx| {
2678                                    this.reset(window, cx);
2679                                })
2680                                .ok();
2681                            }
2682                        })
2683                        .detach()
2684                    })),
2685            );
2686        } else if let LoadError::NotInstalled {
2687            install_message,
2688            install_command,
2689            ..
2690        } = e
2691        {
2692            let install_message = install_message.clone();
2693            let install_command = install_command.clone();
2694            container = container.child(
2695                Button::new("install", install_message)
2696                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2697                    .size(ButtonSize::Medium)
2698                    .tooltip(Tooltip::text(install_command.clone()))
2699                    .on_click(cx.listener(move |this, _, window, cx| {
2700                        let task = this
2701                            .workspace
2702                            .update(cx, |workspace, cx| {
2703                                let project = workspace.project().read(cx);
2704                                let cwd = project.first_project_directory(cx);
2705                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2706                                let spawn_in_terminal = task::SpawnInTerminal {
2707                                    id: task::TaskId("install".to_string()),
2708                                    full_label: install_command.clone(),
2709                                    label: install_command.clone(),
2710                                    command: Some(install_command.clone()),
2711                                    args: Vec::new(),
2712                                    command_label: install_command.clone(),
2713                                    cwd,
2714                                    env: Default::default(),
2715                                    use_new_terminal: true,
2716                                    allow_concurrent_runs: true,
2717                                    reveal: Default::default(),
2718                                    reveal_target: Default::default(),
2719                                    hide: Default::default(),
2720                                    shell,
2721                                    show_summary: true,
2722                                    show_command: true,
2723                                    show_rerun: false,
2724                                };
2725                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2726                            })
2727                            .ok();
2728                        let Some(task) = task else { return };
2729                        cx.spawn_in(window, async move |this, cx| {
2730                            if let Some(Ok(_)) = task.await {
2731                                this.update_in(cx, |this, window, cx| {
2732                                    this.reset(window, cx);
2733                                })
2734                                .ok();
2735                            }
2736                        })
2737                        .detach()
2738                    })),
2739            );
2740        }
2741
2742        container.into_any()
2743    }
2744
2745    fn render_activity_bar(
2746        &self,
2747        thread_entity: &Entity<AcpThread>,
2748        window: &mut Window,
2749        cx: &Context<Self>,
2750    ) -> Option<AnyElement> {
2751        let thread = thread_entity.read(cx);
2752        let action_log = thread.action_log();
2753        let changed_buffers = action_log.read(cx).changed_buffers(cx);
2754        let plan = thread.plan();
2755
2756        if changed_buffers.is_empty() && plan.is_empty() {
2757            return None;
2758        }
2759
2760        let editor_bg_color = cx.theme().colors().editor_background;
2761        let active_color = cx.theme().colors().element_selected;
2762        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
2763
2764        let pending_edits = thread.has_pending_edit_tool_calls();
2765
2766        v_flex()
2767            .mt_1()
2768            .mx_2()
2769            .bg(bg_edit_files_disclosure)
2770            .border_1()
2771            .border_b_0()
2772            .border_color(cx.theme().colors().border)
2773            .rounded_t_md()
2774            .shadow(vec![gpui::BoxShadow {
2775                color: gpui::black().opacity(0.15),
2776                offset: point(px(1.), px(-1.)),
2777                blur_radius: px(3.),
2778                spread_radius: px(0.),
2779            }])
2780            .when(!plan.is_empty(), |this| {
2781                this.child(self.render_plan_summary(plan, window, cx))
2782                    .when(self.plan_expanded, |parent| {
2783                        parent.child(self.render_plan_entries(plan, window, cx))
2784                    })
2785            })
2786            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
2787                this.child(Divider::horizontal().color(DividerColor::Border))
2788            })
2789            .when(!changed_buffers.is_empty(), |this| {
2790                this.child(self.render_edits_summary(
2791                    &changed_buffers,
2792                    self.edits_expanded,
2793                    pending_edits,
2794                    window,
2795                    cx,
2796                ))
2797                .when(self.edits_expanded, |parent| {
2798                    parent.child(self.render_edited_files(
2799                        action_log,
2800                        &changed_buffers,
2801                        pending_edits,
2802                        cx,
2803                    ))
2804                })
2805            })
2806            .into_any()
2807            .into()
2808    }
2809
2810    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2811        let stats = plan.stats();
2812
2813        let title = if let Some(entry) = stats.in_progress_entry
2814            && !self.plan_expanded
2815        {
2816            h_flex()
2817                .w_full()
2818                .cursor_default()
2819                .gap_1()
2820                .text_xs()
2821                .text_color(cx.theme().colors().text_muted)
2822                .justify_between()
2823                .child(
2824                    h_flex()
2825                        .gap_1()
2826                        .child(
2827                            Label::new("Current:")
2828                                .size(LabelSize::Small)
2829                                .color(Color::Muted),
2830                        )
2831                        .child(MarkdownElement::new(
2832                            entry.content.clone(),
2833                            plan_label_markdown_style(&entry.status, window, cx),
2834                        )),
2835                )
2836                .when(stats.pending > 0, |this| {
2837                    this.child(
2838                        Label::new(format!("{} left", stats.pending))
2839                            .size(LabelSize::Small)
2840                            .color(Color::Muted)
2841                            .mr_1(),
2842                    )
2843                })
2844        } else {
2845            let status_label = if stats.pending == 0 {
2846                "All Done".to_string()
2847            } else if stats.completed == 0 {
2848                format!("{} Tasks", plan.entries.len())
2849            } else {
2850                format!("{}/{}", stats.completed, plan.entries.len())
2851            };
2852
2853            h_flex()
2854                .w_full()
2855                .gap_1()
2856                .justify_between()
2857                .child(
2858                    Label::new("Plan")
2859                        .size(LabelSize::Small)
2860                        .color(Color::Muted),
2861                )
2862                .child(
2863                    Label::new(status_label)
2864                        .size(LabelSize::Small)
2865                        .color(Color::Muted)
2866                        .mr_1(),
2867                )
2868        };
2869
2870        h_flex()
2871            .p_1()
2872            .justify_between()
2873            .when(self.plan_expanded, |this| {
2874                this.border_b_1().border_color(cx.theme().colors().border)
2875            })
2876            .child(
2877                h_flex()
2878                    .id("plan_summary")
2879                    .w_full()
2880                    .gap_1()
2881                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
2882                    .child(title)
2883                    .on_click(cx.listener(|this, _, _, cx| {
2884                        this.plan_expanded = !this.plan_expanded;
2885                        cx.notify();
2886                    })),
2887            )
2888    }
2889
2890    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2891        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
2892            let element = h_flex()
2893                .py_1()
2894                .px_2()
2895                .gap_2()
2896                .justify_between()
2897                .bg(cx.theme().colors().editor_background)
2898                .when(index < plan.entries.len() - 1, |parent| {
2899                    parent.border_color(cx.theme().colors().border).border_b_1()
2900                })
2901                .child(
2902                    h_flex()
2903                        .id(("plan_entry", index))
2904                        .gap_1p5()
2905                        .max_w_full()
2906                        .overflow_x_scroll()
2907                        .text_xs()
2908                        .text_color(cx.theme().colors().text_muted)
2909                        .child(match entry.status {
2910                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
2911                                .size(IconSize::Small)
2912                                .color(Color::Muted)
2913                                .into_any_element(),
2914                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
2915                                .size(IconSize::Small)
2916                                .color(Color::Accent)
2917                                .with_animation(
2918                                    "running",
2919                                    Animation::new(Duration::from_secs(2)).repeat(),
2920                                    |icon, delta| {
2921                                        icon.transform(Transformation::rotate(percentage(delta)))
2922                                    },
2923                                )
2924                                .into_any_element(),
2925                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
2926                                .size(IconSize::Small)
2927                                .color(Color::Success)
2928                                .into_any_element(),
2929                        })
2930                        .child(MarkdownElement::new(
2931                            entry.content.clone(),
2932                            plan_label_markdown_style(&entry.status, window, cx),
2933                        )),
2934                );
2935
2936            Some(element)
2937        }))
2938    }
2939
2940    fn render_edits_summary(
2941        &self,
2942        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
2943        expanded: bool,
2944        pending_edits: bool,
2945        window: &mut Window,
2946        cx: &Context<Self>,
2947    ) -> Div {
2948        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
2949
2950        let focus_handle = self.focus_handle(cx);
2951
2952        h_flex()
2953            .p_1()
2954            .justify_between()
2955            .when(expanded, |this| {
2956                this.border_b_1().border_color(cx.theme().colors().border)
2957            })
2958            .child(
2959                h_flex()
2960                    .id("edits-container")
2961                    .w_full()
2962                    .gap_1()
2963                    .child(Disclosure::new("edits-disclosure", expanded))
2964                    .map(|this| {
2965                        if pending_edits {
2966                            this.child(
2967                                Label::new(format!(
2968                                    "Editing {} {}",
2969                                    changed_buffers.len(),
2970                                    if changed_buffers.len() == 1 {
2971                                        "file"
2972                                    } else {
2973                                        "files"
2974                                    }
2975                                ))
2976                                .color(Color::Muted)
2977                                .size(LabelSize::Small)
2978                                .with_animation(
2979                                    "edit-label",
2980                                    Animation::new(Duration::from_secs(2))
2981                                        .repeat()
2982                                        .with_easing(pulsating_between(0.3, 0.7)),
2983                                    |label, delta| label.alpha(delta),
2984                                ),
2985                            )
2986                        } else {
2987                            this.child(
2988                                Label::new("Edits")
2989                                    .size(LabelSize::Small)
2990                                    .color(Color::Muted),
2991                            )
2992                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
2993                            .child(
2994                                Label::new(format!(
2995                                    "{} {}",
2996                                    changed_buffers.len(),
2997                                    if changed_buffers.len() == 1 {
2998                                        "file"
2999                                    } else {
3000                                        "files"
3001                                    }
3002                                ))
3003                                .size(LabelSize::Small)
3004                                .color(Color::Muted),
3005                            )
3006                        }
3007                    })
3008                    .on_click(cx.listener(|this, _, _, cx| {
3009                        this.edits_expanded = !this.edits_expanded;
3010                        cx.notify();
3011                    })),
3012            )
3013            .child(
3014                h_flex()
3015                    .gap_1()
3016                    .child(
3017                        IconButton::new("review-changes", IconName::ListTodo)
3018                            .icon_size(IconSize::Small)
3019                            .tooltip({
3020                                let focus_handle = focus_handle.clone();
3021                                move |window, cx| {
3022                                    Tooltip::for_action_in(
3023                                        "Review Changes",
3024                                        &OpenAgentDiff,
3025                                        &focus_handle,
3026                                        window,
3027                                        cx,
3028                                    )
3029                                }
3030                            })
3031                            .on_click(cx.listener(|_, _, window, cx| {
3032                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3033                            })),
3034                    )
3035                    .child(Divider::vertical().color(DividerColor::Border))
3036                    .child(
3037                        Button::new("reject-all-changes", "Reject All")
3038                            .label_size(LabelSize::Small)
3039                            .disabled(pending_edits)
3040                            .when(pending_edits, |this| {
3041                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3042                            })
3043                            .key_binding(
3044                                KeyBinding::for_action_in(
3045                                    &RejectAll,
3046                                    &focus_handle.clone(),
3047                                    window,
3048                                    cx,
3049                                )
3050                                .map(|kb| kb.size(rems_from_px(10.))),
3051                            )
3052                            .on_click(cx.listener(move |this, _, window, cx| {
3053                                this.reject_all(&RejectAll, window, cx);
3054                            })),
3055                    )
3056                    .child(
3057                        Button::new("keep-all-changes", "Keep All")
3058                            .label_size(LabelSize::Small)
3059                            .disabled(pending_edits)
3060                            .when(pending_edits, |this| {
3061                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3062                            })
3063                            .key_binding(
3064                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3065                                    .map(|kb| kb.size(rems_from_px(10.))),
3066                            )
3067                            .on_click(cx.listener(move |this, _, window, cx| {
3068                                this.keep_all(&KeepAll, window, cx);
3069                            })),
3070                    ),
3071            )
3072    }
3073
3074    fn render_edited_files(
3075        &self,
3076        action_log: &Entity<ActionLog>,
3077        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3078        pending_edits: bool,
3079        cx: &Context<Self>,
3080    ) -> Div {
3081        let editor_bg_color = cx.theme().colors().editor_background;
3082
3083        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3084            |(index, (buffer, _diff))| {
3085                let file = buffer.read(cx).file()?;
3086                let path = file.path();
3087
3088                let file_path = path.parent().and_then(|parent| {
3089                    let parent_str = parent.to_string_lossy();
3090
3091                    if parent_str.is_empty() {
3092                        None
3093                    } else {
3094                        Some(
3095                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3096                                .color(Color::Muted)
3097                                .size(LabelSize::XSmall)
3098                                .buffer_font(cx),
3099                        )
3100                    }
3101                });
3102
3103                let file_name = path.file_name().map(|name| {
3104                    Label::new(name.to_string_lossy().to_string())
3105                        .size(LabelSize::XSmall)
3106                        .buffer_font(cx)
3107                });
3108
3109                let file_icon = FileIcons::get_icon(path, cx)
3110                    .map(Icon::from_path)
3111                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3112                    .unwrap_or_else(|| {
3113                        Icon::new(IconName::File)
3114                            .color(Color::Muted)
3115                            .size(IconSize::Small)
3116                    });
3117
3118                let overlay_gradient = linear_gradient(
3119                    90.,
3120                    linear_color_stop(editor_bg_color, 1.),
3121                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3122                );
3123
3124                let element = h_flex()
3125                    .group("edited-code")
3126                    .id(("file-container", index))
3127                    .relative()
3128                    .py_1()
3129                    .pl_2()
3130                    .pr_1()
3131                    .gap_2()
3132                    .justify_between()
3133                    .bg(editor_bg_color)
3134                    .when(index < changed_buffers.len() - 1, |parent| {
3135                        parent.border_color(cx.theme().colors().border).border_b_1()
3136                    })
3137                    .child(
3138                        h_flex()
3139                            .id(("file-name", index))
3140                            .pr_8()
3141                            .gap_1p5()
3142                            .max_w_full()
3143                            .overflow_x_scroll()
3144                            .child(file_icon)
3145                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3146                            .on_click({
3147                                let buffer = buffer.clone();
3148                                cx.listener(move |this, _, window, cx| {
3149                                    this.open_edited_buffer(&buffer, window, cx);
3150                                })
3151                            }),
3152                    )
3153                    .child(
3154                        h_flex()
3155                            .gap_1()
3156                            .visible_on_hover("edited-code")
3157                            .child(
3158                                Button::new("review", "Review")
3159                                    .label_size(LabelSize::Small)
3160                                    .on_click({
3161                                        let buffer = buffer.clone();
3162                                        cx.listener(move |this, _, window, cx| {
3163                                            this.open_edited_buffer(&buffer, window, cx);
3164                                        })
3165                                    }),
3166                            )
3167                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3168                            .child(
3169                                Button::new("reject-file", "Reject")
3170                                    .label_size(LabelSize::Small)
3171                                    .disabled(pending_edits)
3172                                    .on_click({
3173                                        let buffer = buffer.clone();
3174                                        let action_log = action_log.clone();
3175                                        move |_, _, cx| {
3176                                            action_log.update(cx, |action_log, cx| {
3177                                                action_log
3178                                                    .reject_edits_in_ranges(
3179                                                        buffer.clone(),
3180                                                        vec![Anchor::MIN..Anchor::MAX],
3181                                                        cx,
3182                                                    )
3183                                                    .detach_and_log_err(cx);
3184                                            })
3185                                        }
3186                                    }),
3187                            )
3188                            .child(
3189                                Button::new("keep-file", "Keep")
3190                                    .label_size(LabelSize::Small)
3191                                    .disabled(pending_edits)
3192                                    .on_click({
3193                                        let buffer = buffer.clone();
3194                                        let action_log = action_log.clone();
3195                                        move |_, _, cx| {
3196                                            action_log.update(cx, |action_log, cx| {
3197                                                action_log.keep_edits_in_range(
3198                                                    buffer.clone(),
3199                                                    Anchor::MIN..Anchor::MAX,
3200                                                    cx,
3201                                                );
3202                                            })
3203                                        }
3204                                    }),
3205                            ),
3206                    )
3207                    .child(
3208                        div()
3209                            .id("gradient-overlay")
3210                            .absolute()
3211                            .h_full()
3212                            .w_12()
3213                            .top_0()
3214                            .bottom_0()
3215                            .right(px(152.))
3216                            .bg(overlay_gradient),
3217                    );
3218
3219                Some(element)
3220            },
3221        ))
3222    }
3223
3224    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3225        let focus_handle = self.message_editor.focus_handle(cx);
3226        let editor_bg_color = cx.theme().colors().editor_background;
3227        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3228            (IconName::Minimize, "Minimize Message Editor")
3229        } else {
3230            (IconName::Maximize, "Expand Message Editor")
3231        };
3232
3233        v_flex()
3234            .on_action(cx.listener(Self::expand_message_editor))
3235            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3236                if let Some(profile_selector) = this.profile_selector.as_ref() {
3237                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3238                }
3239            }))
3240            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3241                if let Some(model_selector) = this.model_selector.as_ref() {
3242                    model_selector
3243                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3244                }
3245            }))
3246            .p_2()
3247            .gap_2()
3248            .border_t_1()
3249            .border_color(cx.theme().colors().border)
3250            .bg(editor_bg_color)
3251            .when(self.editor_expanded, |this| {
3252                this.h(vh(0.8, window)).size_full().justify_between()
3253            })
3254            .child(
3255                v_flex()
3256                    .relative()
3257                    .size_full()
3258                    .pt_1()
3259                    .pr_2p5()
3260                    .child(self.message_editor.clone())
3261                    .child(
3262                        h_flex()
3263                            .absolute()
3264                            .top_0()
3265                            .right_0()
3266                            .opacity(0.5)
3267                            .hover(|this| this.opacity(1.0))
3268                            .child(
3269                                IconButton::new("toggle-height", expand_icon)
3270                                    .icon_size(IconSize::Small)
3271                                    .icon_color(Color::Muted)
3272                                    .tooltip({
3273                                        move |window, cx| {
3274                                            Tooltip::for_action_in(
3275                                                expand_tooltip,
3276                                                &ExpandMessageEditor,
3277                                                &focus_handle,
3278                                                window,
3279                                                cx,
3280                                            )
3281                                        }
3282                                    })
3283                                    .on_click(cx.listener(|_, _, window, cx| {
3284                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3285                                    })),
3286                            ),
3287                    ),
3288            )
3289            .child(
3290                h_flex()
3291                    .flex_none()
3292                    .flex_wrap()
3293                    .justify_between()
3294                    .child(
3295                        h_flex()
3296                            .child(self.render_follow_toggle(cx))
3297                            .children(self.render_burn_mode_toggle(cx)),
3298                    )
3299                    .child(
3300                        h_flex()
3301                            .gap_1()
3302                            .children(self.render_token_usage(cx))
3303                            .children(self.profile_selector.clone())
3304                            .children(self.model_selector.clone())
3305                            .child(self.render_send_button(cx)),
3306                    ),
3307            )
3308            .into_any()
3309    }
3310
3311    pub(crate) fn as_native_connection(
3312        &self,
3313        cx: &App,
3314    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3315        let acp_thread = self.thread()?.read(cx);
3316        acp_thread.connection().clone().downcast()
3317    }
3318
3319    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3320        let acp_thread = self.thread()?.read(cx);
3321        self.as_native_connection(cx)?
3322            .thread(acp_thread.session_id(), cx)
3323    }
3324
3325    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3326        self.as_native_thread(cx)
3327            .and_then(|thread| thread.read(cx).model())
3328            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3329    }
3330
3331    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3332        let thread = self.thread()?.read(cx);
3333        let usage = thread.token_usage()?;
3334        let is_generating = thread.status() != ThreadStatus::Idle;
3335
3336        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3337        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3338
3339        Some(
3340            h_flex()
3341                .flex_shrink_0()
3342                .gap_0p5()
3343                .mr_1p5()
3344                .child(
3345                    Label::new(used)
3346                        .size(LabelSize::Small)
3347                        .color(Color::Muted)
3348                        .map(|label| {
3349                            if is_generating {
3350                                label
3351                                    .with_animation(
3352                                        "used-tokens-label",
3353                                        Animation::new(Duration::from_secs(2))
3354                                            .repeat()
3355                                            .with_easing(pulsating_between(0.6, 1.)),
3356                                        |label, delta| label.alpha(delta),
3357                                    )
3358                                    .into_any()
3359                            } else {
3360                                label.into_any_element()
3361                            }
3362                        }),
3363                )
3364                .child(
3365                    Label::new("/")
3366                        .size(LabelSize::Small)
3367                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3368                )
3369                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3370        )
3371    }
3372
3373    fn toggle_burn_mode(
3374        &mut self,
3375        _: &ToggleBurnMode,
3376        _window: &mut Window,
3377        cx: &mut Context<Self>,
3378    ) {
3379        let Some(thread) = self.as_native_thread(cx) else {
3380            return;
3381        };
3382
3383        thread.update(cx, |thread, cx| {
3384            let current_mode = thread.completion_mode();
3385            thread.set_completion_mode(
3386                match current_mode {
3387                    CompletionMode::Burn => CompletionMode::Normal,
3388                    CompletionMode::Normal => CompletionMode::Burn,
3389                },
3390                cx,
3391            );
3392        });
3393    }
3394
3395    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3396        let Some(thread) = self.thread() else {
3397            return;
3398        };
3399        let action_log = thread.read(cx).action_log().clone();
3400        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3401    }
3402
3403    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3404        let Some(thread) = self.thread() else {
3405            return;
3406        };
3407        let action_log = thread.read(cx).action_log().clone();
3408        action_log
3409            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3410            .detach();
3411    }
3412
3413    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3414        let thread = self.as_native_thread(cx)?.read(cx);
3415
3416        if thread
3417            .model()
3418            .is_none_or(|model| !model.supports_burn_mode())
3419        {
3420            return None;
3421        }
3422
3423        let active_completion_mode = thread.completion_mode();
3424        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3425        let icon = if burn_mode_enabled {
3426            IconName::ZedBurnModeOn
3427        } else {
3428            IconName::ZedBurnMode
3429        };
3430
3431        Some(
3432            IconButton::new("burn-mode", icon)
3433                .icon_size(IconSize::Small)
3434                .icon_color(Color::Muted)
3435                .toggle_state(burn_mode_enabled)
3436                .selected_icon_color(Color::Error)
3437                .on_click(cx.listener(|this, _event, window, cx| {
3438                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3439                }))
3440                .tooltip(move |_window, cx| {
3441                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3442                        .into()
3443                })
3444                .into_any_element(),
3445        )
3446    }
3447
3448    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3449        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3450        let is_generating = self
3451            .thread()
3452            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3453
3454        if is_generating && is_editor_empty {
3455            IconButton::new("stop-generation", IconName::Stop)
3456                .icon_color(Color::Error)
3457                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3458                .tooltip(move |window, cx| {
3459                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3460                })
3461                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3462                .into_any_element()
3463        } else {
3464            let send_btn_tooltip = if is_editor_empty && !is_generating {
3465                "Type to Send"
3466            } else if is_generating {
3467                "Stop and Send Message"
3468            } else {
3469                "Send"
3470            };
3471
3472            IconButton::new("send-message", IconName::Send)
3473                .style(ButtonStyle::Filled)
3474                .map(|this| {
3475                    if is_editor_empty && !is_generating {
3476                        this.disabled(true).icon_color(Color::Muted)
3477                    } else {
3478                        this.icon_color(Color::Accent)
3479                    }
3480                })
3481                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3482                .on_click(cx.listener(|this, _, window, cx| {
3483                    this.send(window, cx);
3484                }))
3485                .into_any_element()
3486        }
3487    }
3488
3489    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3490        let following = self
3491            .workspace
3492            .read_with(cx, |workspace, _| {
3493                workspace.is_being_followed(CollaboratorId::Agent)
3494            })
3495            .unwrap_or(false);
3496
3497        IconButton::new("follow-agent", IconName::Crosshair)
3498            .icon_size(IconSize::Small)
3499            .icon_color(Color::Muted)
3500            .toggle_state(following)
3501            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3502            .tooltip(move |window, cx| {
3503                if following {
3504                    Tooltip::for_action("Stop Following Agent", &Follow, window, cx)
3505                } else {
3506                    Tooltip::with_meta(
3507                        "Follow Agent",
3508                        Some(&Follow),
3509                        "Track the agent's location as it reads and edits files.",
3510                        window,
3511                        cx,
3512                    )
3513                }
3514            })
3515            .on_click(cx.listener(move |this, _, window, cx| {
3516                this.workspace
3517                    .update(cx, |workspace, cx| {
3518                        if following {
3519                            workspace.unfollow(CollaboratorId::Agent, window, cx);
3520                        } else {
3521                            workspace.follow(CollaboratorId::Agent, window, cx);
3522                        }
3523                    })
3524                    .ok();
3525            }))
3526    }
3527
3528    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
3529        let workspace = self.workspace.clone();
3530        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
3531            Self::open_link(text, &workspace, window, cx);
3532        })
3533    }
3534
3535    fn open_link(
3536        url: SharedString,
3537        workspace: &WeakEntity<Workspace>,
3538        window: &mut Window,
3539        cx: &mut App,
3540    ) {
3541        let Some(workspace) = workspace.upgrade() else {
3542            cx.open_url(&url);
3543            return;
3544        };
3545
3546        if let Some(mention) = MentionUri::parse(&url).log_err() {
3547            workspace.update(cx, |workspace, cx| match mention {
3548                MentionUri::File { abs_path } => {
3549                    let project = workspace.project();
3550                    let Some(path) =
3551                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
3552                    else {
3553                        return;
3554                    };
3555
3556                    workspace
3557                        .open_path(path, None, true, window, cx)
3558                        .detach_and_log_err(cx);
3559                }
3560                MentionUri::Directory { abs_path } => {
3561                    let project = workspace.project();
3562                    let Some(entry) = project.update(cx, |project, cx| {
3563                        let path = project.find_project_path(abs_path, cx)?;
3564                        project.entry_for_path(&path, cx)
3565                    }) else {
3566                        return;
3567                    };
3568
3569                    project.update(cx, |_, cx| {
3570                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
3571                    });
3572                }
3573                MentionUri::Symbol {
3574                    path, line_range, ..
3575                }
3576                | MentionUri::Selection { path, line_range } => {
3577                    let project = workspace.project();
3578                    let Some((path, _)) = project.update(cx, |project, cx| {
3579                        let path = project.find_project_path(path, cx)?;
3580                        let entry = project.entry_for_path(&path, cx)?;
3581                        Some((path, entry))
3582                    }) else {
3583                        return;
3584                    };
3585
3586                    let item = workspace.open_path(path, None, true, window, cx);
3587                    window
3588                        .spawn(cx, async move |cx| {
3589                            let Some(editor) = item.await?.downcast::<Editor>() else {
3590                                return Ok(());
3591                            };
3592                            let range =
3593                                Point::new(line_range.start, 0)..Point::new(line_range.start, 0);
3594                            editor
3595                                .update_in(cx, |editor, window, cx| {
3596                                    editor.change_selections(
3597                                        SelectionEffects::scroll(Autoscroll::center()),
3598                                        window,
3599                                        cx,
3600                                        |s| s.select_ranges(vec![range]),
3601                                    );
3602                                })
3603                                .ok();
3604                            anyhow::Ok(())
3605                        })
3606                        .detach_and_log_err(cx);
3607                }
3608                MentionUri::Thread { id, name } => {
3609                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3610                        panel.update(cx, |panel, cx| {
3611                            panel.load_agent_thread(
3612                                DbThreadMetadata {
3613                                    id,
3614                                    title: name.into(),
3615                                    updated_at: Default::default(),
3616                                },
3617                                window,
3618                                cx,
3619                            )
3620                        });
3621                    }
3622                }
3623                MentionUri::TextThread { path, .. } => {
3624                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3625                        panel.update(cx, |panel, cx| {
3626                            panel
3627                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
3628                                .detach_and_log_err(cx);
3629                        });
3630                    }
3631                }
3632                MentionUri::Rule { id, .. } => {
3633                    let PromptId::User { uuid } = id else {
3634                        return;
3635                    };
3636                    window.dispatch_action(
3637                        Box::new(OpenRulesLibrary {
3638                            prompt_to_select: Some(uuid.0),
3639                        }),
3640                        cx,
3641                    )
3642                }
3643                MentionUri::Fetch { url } => {
3644                    cx.open_url(url.as_str());
3645                }
3646            })
3647        } else {
3648            cx.open_url(&url);
3649        }
3650    }
3651
3652    fn open_tool_call_location(
3653        &self,
3654        entry_ix: usize,
3655        location_ix: usize,
3656        window: &mut Window,
3657        cx: &mut Context<Self>,
3658    ) -> Option<()> {
3659        let (tool_call_location, agent_location) = self
3660            .thread()?
3661            .read(cx)
3662            .entries()
3663            .get(entry_ix)?
3664            .location(location_ix)?;
3665
3666        let project_path = self
3667            .project
3668            .read(cx)
3669            .find_project_path(&tool_call_location.path, cx)?;
3670
3671        let open_task = self
3672            .workspace
3673            .update(cx, |workspace, cx| {
3674                workspace.open_path(project_path, None, true, window, cx)
3675            })
3676            .log_err()?;
3677        window
3678            .spawn(cx, async move |cx| {
3679                let item = open_task.await?;
3680
3681                let Some(active_editor) = item.downcast::<Editor>() else {
3682                    return anyhow::Ok(());
3683                };
3684
3685                active_editor.update_in(cx, |editor, window, cx| {
3686                    let multibuffer = editor.buffer().read(cx);
3687                    let buffer = multibuffer.as_singleton();
3688                    if agent_location.buffer.upgrade() == buffer {
3689                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
3690                        let anchor = editor::Anchor::in_buffer(
3691                            excerpt_id.unwrap(),
3692                            buffer.unwrap().read(cx).remote_id(),
3693                            agent_location.position,
3694                        );
3695                        editor.change_selections(Default::default(), window, cx, |selections| {
3696                            selections.select_anchor_ranges([anchor..anchor]);
3697                        })
3698                    } else {
3699                        let row = tool_call_location.line.unwrap_or_default();
3700                        editor.change_selections(Default::default(), window, cx, |selections| {
3701                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
3702                        })
3703                    }
3704                })?;
3705
3706                anyhow::Ok(())
3707            })
3708            .detach_and_log_err(cx);
3709
3710        None
3711    }
3712
3713    pub fn open_thread_as_markdown(
3714        &self,
3715        workspace: Entity<Workspace>,
3716        window: &mut Window,
3717        cx: &mut App,
3718    ) -> Task<anyhow::Result<()>> {
3719        let markdown_language_task = workspace
3720            .read(cx)
3721            .app_state()
3722            .languages
3723            .language_for_name("Markdown");
3724
3725        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
3726            let thread = thread.read(cx);
3727            (thread.title().to_string(), thread.to_markdown(cx))
3728        } else {
3729            return Task::ready(Ok(()));
3730        };
3731
3732        window.spawn(cx, async move |cx| {
3733            let markdown_language = markdown_language_task.await?;
3734
3735            workspace.update_in(cx, |workspace, window, cx| {
3736                let project = workspace.project().clone();
3737
3738                if !project.read(cx).is_local() {
3739                    bail!("failed to open active thread as markdown in remote project");
3740                }
3741
3742                let buffer = project.update(cx, |project, cx| {
3743                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
3744                });
3745                let buffer = cx.new(|cx| {
3746                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
3747                });
3748
3749                workspace.add_item_to_active_pane(
3750                    Box::new(cx.new(|cx| {
3751                        let mut editor =
3752                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
3753                        editor.set_breadcrumb_header(thread_summary);
3754                        editor
3755                    })),
3756                    None,
3757                    true,
3758                    window,
3759                    cx,
3760                );
3761
3762                anyhow::Ok(())
3763            })??;
3764            anyhow::Ok(())
3765        })
3766    }
3767
3768    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
3769        self.list_state.scroll_to(ListOffset::default());
3770        cx.notify();
3771    }
3772
3773    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
3774        if let Some(thread) = self.thread() {
3775            let entry_count = thread.read(cx).entries().len();
3776            self.list_state.reset(entry_count);
3777            cx.notify();
3778        }
3779    }
3780
3781    fn notify_with_sound(
3782        &mut self,
3783        caption: impl Into<SharedString>,
3784        icon: IconName,
3785        window: &mut Window,
3786        cx: &mut Context<Self>,
3787    ) {
3788        self.play_notification_sound(window, cx);
3789        self.show_notification(caption, icon, window, cx);
3790    }
3791
3792    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
3793        let settings = AgentSettings::get_global(cx);
3794        if settings.play_sound_when_agent_done && !window.is_window_active() {
3795            Audio::play_sound(Sound::AgentDone, cx);
3796        }
3797    }
3798
3799    fn show_notification(
3800        &mut self,
3801        caption: impl Into<SharedString>,
3802        icon: IconName,
3803        window: &mut Window,
3804        cx: &mut Context<Self>,
3805    ) {
3806        if window.is_window_active() || !self.notifications.is_empty() {
3807            return;
3808        }
3809
3810        let title = self.title(cx);
3811
3812        match AgentSettings::get_global(cx).notify_when_agent_waiting {
3813            NotifyWhenAgentWaiting::PrimaryScreen => {
3814                if let Some(primary) = cx.primary_display() {
3815                    self.pop_up(icon, caption.into(), title, window, primary, cx);
3816                }
3817            }
3818            NotifyWhenAgentWaiting::AllScreens => {
3819                let caption = caption.into();
3820                for screen in cx.displays() {
3821                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
3822                }
3823            }
3824            NotifyWhenAgentWaiting::Never => {
3825                // Don't show anything
3826            }
3827        }
3828    }
3829
3830    fn pop_up(
3831        &mut self,
3832        icon: IconName,
3833        caption: SharedString,
3834        title: SharedString,
3835        window: &mut Window,
3836        screen: Rc<dyn PlatformDisplay>,
3837        cx: &mut Context<Self>,
3838    ) {
3839        let options = AgentNotification::window_options(screen, cx);
3840
3841        let project_name = self.workspace.upgrade().and_then(|workspace| {
3842            workspace
3843                .read(cx)
3844                .project()
3845                .read(cx)
3846                .visible_worktrees(cx)
3847                .next()
3848                .map(|worktree| worktree.read(cx).root_name().to_string())
3849        });
3850
3851        if let Some(screen_window) = cx
3852            .open_window(options, |_, cx| {
3853                cx.new(|_| {
3854                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
3855                })
3856            })
3857            .log_err()
3858            && let Some(pop_up) = screen_window.entity(cx).log_err()
3859        {
3860            self.notification_subscriptions
3861                .entry(screen_window)
3862                .or_insert_with(Vec::new)
3863                .push(cx.subscribe_in(&pop_up, window, {
3864                    |this, _, event, window, cx| match event {
3865                        AgentNotificationEvent::Accepted => {
3866                            let handle = window.window_handle();
3867                            cx.activate(true);
3868
3869                            let workspace_handle = this.workspace.clone();
3870
3871                            // If there are multiple Zed windows, activate the correct one.
3872                            cx.defer(move |cx| {
3873                                handle
3874                                    .update(cx, |_view, window, _cx| {
3875                                        window.activate_window();
3876
3877                                        if let Some(workspace) = workspace_handle.upgrade() {
3878                                            workspace.update(_cx, |workspace, cx| {
3879                                                workspace.focus_panel::<AgentPanel>(window, cx);
3880                                            });
3881                                        }
3882                                    })
3883                                    .log_err();
3884                            });
3885
3886                            this.dismiss_notifications(cx);
3887                        }
3888                        AgentNotificationEvent::Dismissed => {
3889                            this.dismiss_notifications(cx);
3890                        }
3891                    }
3892                }));
3893
3894            self.notifications.push(screen_window);
3895
3896            // If the user manually refocuses the original window, dismiss the popup.
3897            self.notification_subscriptions
3898                .entry(screen_window)
3899                .or_insert_with(Vec::new)
3900                .push({
3901                    let pop_up_weak = pop_up.downgrade();
3902
3903                    cx.observe_window_activation(window, move |_, window, cx| {
3904                        if window.is_window_active()
3905                            && let Some(pop_up) = pop_up_weak.upgrade()
3906                        {
3907                            pop_up.update(cx, |_, cx| {
3908                                cx.emit(AgentNotificationEvent::Dismissed);
3909                            });
3910                        }
3911                    })
3912                });
3913        }
3914    }
3915
3916    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
3917        for window in self.notifications.drain(..) {
3918            window
3919                .update(cx, |_, window, _| {
3920                    window.remove_window();
3921                })
3922                .ok();
3923
3924            self.notification_subscriptions.remove(&window);
3925        }
3926    }
3927
3928    fn render_thread_controls(&self, cx: &Context<Self>) -> impl IntoElement {
3929        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
3930            .shape(ui::IconButtonShape::Square)
3931            .icon_size(IconSize::Small)
3932            .icon_color(Color::Ignored)
3933            .tooltip(Tooltip::text("Open Thread as Markdown"))
3934            .on_click(cx.listener(move |this, _, window, cx| {
3935                if let Some(workspace) = this.workspace.upgrade() {
3936                    this.open_thread_as_markdown(workspace, window, cx)
3937                        .detach_and_log_err(cx);
3938                }
3939            }));
3940
3941        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
3942            .shape(ui::IconButtonShape::Square)
3943            .icon_size(IconSize::Small)
3944            .icon_color(Color::Ignored)
3945            .tooltip(Tooltip::text("Scroll To Top"))
3946            .on_click(cx.listener(move |this, _, _, cx| {
3947                this.scroll_to_top(cx);
3948            }));
3949
3950        let mut container = h_flex()
3951            .id("thread-controls-container")
3952            .group("thread-controls-container")
3953            .w_full()
3954            .mr_1()
3955            .pb_2()
3956            .px(RESPONSE_PADDING_X)
3957            .opacity(0.4)
3958            .hover(|style| style.opacity(1.))
3959            .flex_wrap()
3960            .justify_end();
3961
3962        if AgentSettings::get_global(cx).enable_feedback
3963            && self
3964                .thread()
3965                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
3966        {
3967            let feedback = self.thread_feedback.feedback;
3968            container = container.child(
3969                div().visible_on_hover("thread-controls-container").child(
3970                    Label::new(
3971                        match feedback {
3972                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
3973                            Some(ThreadFeedback::Negative) => "We appreciate your feedback and will use it to improve.",
3974                            None => "Rating the thread sends all of your current conversation to the Zed team.",
3975                        }
3976                    )
3977                    .color(Color::Muted)
3978                    .size(LabelSize::XSmall)
3979                    .truncate(),
3980                ),
3981            ).child(
3982                h_flex()
3983                    .child(
3984                        IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
3985                            .shape(ui::IconButtonShape::Square)
3986                            .icon_size(IconSize::Small)
3987                            .icon_color(match feedback {
3988                                Some(ThreadFeedback::Positive) => Color::Accent,
3989                                _ => Color::Ignored,
3990                            })
3991                            .tooltip(Tooltip::text("Helpful Response"))
3992                            .on_click(cx.listener(move |this, _, window, cx| {
3993                                this.handle_feedback_click(
3994                                    ThreadFeedback::Positive,
3995                                    window,
3996                                    cx,
3997                                );
3998                            })),
3999                    )
4000                    .child(
4001                        IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4002                            .shape(ui::IconButtonShape::Square)
4003                            .icon_size(IconSize::Small)
4004                            .icon_color(match feedback {
4005                                Some(ThreadFeedback::Negative) => Color::Accent,
4006                                _ => Color::Ignored,
4007                            })
4008                            .tooltip(Tooltip::text("Not Helpful"))
4009                            .on_click(cx.listener(move |this, _, window, cx| {
4010                                this.handle_feedback_click(
4011                                    ThreadFeedback::Negative,
4012                                    window,
4013                                    cx,
4014                                );
4015                            })),
4016                    )
4017            )
4018        }
4019
4020        container.child(open_as_markdown).child(scroll_to_top)
4021    }
4022
4023    fn render_feedback_feedback_editor(
4024        editor: Entity<Editor>,
4025        window: &mut Window,
4026        cx: &Context<Self>,
4027    ) -> Div {
4028        let focus_handle = editor.focus_handle(cx);
4029        v_flex()
4030            .key_context("AgentFeedbackMessageEditor")
4031            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4032                this.thread_feedback.dismiss_comments();
4033                cx.notify();
4034            }))
4035            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4036                this.submit_feedback_message(cx);
4037            }))
4038            .mb_2()
4039            .mx_4()
4040            .p_2()
4041            .rounded_md()
4042            .border_1()
4043            .border_color(cx.theme().colors().border)
4044            .bg(cx.theme().colors().editor_background)
4045            .child(editor)
4046            .child(
4047                h_flex()
4048                    .gap_1()
4049                    .justify_end()
4050                    .child(
4051                        Button::new("dismiss-feedback-message", "Cancel")
4052                            .label_size(LabelSize::Small)
4053                            .key_binding(
4054                                KeyBinding::for_action_in(&menu::Cancel, &focus_handle, window, cx)
4055                                    .map(|kb| kb.size(rems_from_px(10.))),
4056                            )
4057                            .on_click(cx.listener(move |this, _, _window, cx| {
4058                                this.thread_feedback.dismiss_comments();
4059                                cx.notify();
4060                            })),
4061                    )
4062                    .child(
4063                        Button::new("submit-feedback-message", "Share Feedback")
4064                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4065                            .label_size(LabelSize::Small)
4066                            .key_binding(
4067                                KeyBinding::for_action_in(
4068                                    &menu::Confirm,
4069                                    &focus_handle,
4070                                    window,
4071                                    cx,
4072                                )
4073                                .map(|kb| kb.size(rems_from_px(10.))),
4074                            )
4075                            .on_click(cx.listener(move |this, _, _window, cx| {
4076                                this.submit_feedback_message(cx);
4077                            })),
4078                    ),
4079            )
4080    }
4081
4082    fn handle_feedback_click(
4083        &mut self,
4084        feedback: ThreadFeedback,
4085        window: &mut Window,
4086        cx: &mut Context<Self>,
4087    ) {
4088        let Some(thread) = self.thread().cloned() else {
4089            return;
4090        };
4091
4092        self.thread_feedback.submit(thread, feedback, window, cx);
4093        cx.notify();
4094    }
4095
4096    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4097        let Some(thread) = self.thread().cloned() else {
4098            return;
4099        };
4100
4101        self.thread_feedback.submit_comments(thread, cx);
4102        cx.notify();
4103    }
4104
4105    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4106        div()
4107            .id("acp-thread-scrollbar")
4108            .occlude()
4109            .on_mouse_move(cx.listener(|_, _, _, cx| {
4110                cx.notify();
4111                cx.stop_propagation()
4112            }))
4113            .on_hover(|_, _, cx| {
4114                cx.stop_propagation();
4115            })
4116            .on_any_mouse_down(|_, _, cx| {
4117                cx.stop_propagation();
4118            })
4119            .on_mouse_up(
4120                MouseButton::Left,
4121                cx.listener(|_, _, _, cx| {
4122                    cx.stop_propagation();
4123                }),
4124            )
4125            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4126                cx.notify();
4127            }))
4128            .h_full()
4129            .absolute()
4130            .right_1()
4131            .top_1()
4132            .bottom_0()
4133            .w(px(12.))
4134            .cursor_default()
4135            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4136    }
4137
4138    fn render_token_limit_callout(
4139        &self,
4140        line_height: Pixels,
4141        cx: &mut Context<Self>,
4142    ) -> Option<Callout> {
4143        let token_usage = self.thread()?.read(cx).token_usage()?;
4144        let ratio = token_usage.ratio();
4145
4146        let (severity, title) = match ratio {
4147            acp_thread::TokenUsageRatio::Normal => return None,
4148            acp_thread::TokenUsageRatio::Warning => {
4149                (Severity::Warning, "Thread reaching the token limit soon")
4150            }
4151            acp_thread::TokenUsageRatio::Exceeded => {
4152                (Severity::Error, "Thread reached the token limit")
4153            }
4154        };
4155
4156        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4157            thread.read(cx).completion_mode() == CompletionMode::Normal
4158                && thread
4159                    .read(cx)
4160                    .model()
4161                    .is_some_and(|model| model.supports_burn_mode())
4162        });
4163
4164        let description = if burn_mode_available {
4165            "To continue, start a new thread from a summary or turn Burn Mode on."
4166        } else {
4167            "To continue, start a new thread from a summary."
4168        };
4169
4170        Some(
4171            Callout::new()
4172                .severity(severity)
4173                .line_height(line_height)
4174                .title(title)
4175                .description(description)
4176                .actions_slot(
4177                    h_flex()
4178                        .gap_0p5()
4179                        .child(
4180                            Button::new("start-new-thread", "Start New Thread")
4181                                .label_size(LabelSize::Small)
4182                                .on_click(cx.listener(|this, _, window, cx| {
4183                                    let Some(thread) = this.thread() else {
4184                                        return;
4185                                    };
4186                                    let session_id = thread.read(cx).session_id().clone();
4187                                    window.dispatch_action(
4188                                        crate::NewNativeAgentThreadFromSummary {
4189                                            from_session_id: session_id,
4190                                        }
4191                                        .boxed_clone(),
4192                                        cx,
4193                                    );
4194                                })),
4195                        )
4196                        .when(burn_mode_available, |this| {
4197                            this.child(
4198                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4199                                    .icon_size(IconSize::XSmall)
4200                                    .on_click(cx.listener(|this, _event, window, cx| {
4201                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4202                                    })),
4203                            )
4204                        }),
4205                ),
4206        )
4207    }
4208
4209    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4210        if !self.is_using_zed_ai_models(cx) {
4211            return None;
4212        }
4213
4214        let user_store = self.project.read(cx).user_store().read(cx);
4215        if user_store.is_usage_based_billing_enabled() {
4216            return None;
4217        }
4218
4219        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4220
4221        let usage = user_store.model_request_usage()?;
4222
4223        Some(
4224            div()
4225                .child(UsageCallout::new(plan, usage))
4226                .line_height(line_height),
4227        )
4228    }
4229
4230    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4231        self.entry_view_state.update(cx, |entry_view_state, cx| {
4232            entry_view_state.settings_changed(cx);
4233        });
4234    }
4235
4236    pub(crate) fn insert_dragged_files(
4237        &self,
4238        paths: Vec<project::ProjectPath>,
4239        added_worktrees: Vec<Entity<project::Worktree>>,
4240        window: &mut Window,
4241        cx: &mut Context<Self>,
4242    ) {
4243        self.message_editor.update(cx, |message_editor, cx| {
4244            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4245        })
4246    }
4247
4248    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4249        self.message_editor.update(cx, |message_editor, cx| {
4250            message_editor.insert_selections(window, cx);
4251        })
4252    }
4253
4254    fn render_thread_retry_status_callout(
4255        &self,
4256        _window: &mut Window,
4257        _cx: &mut Context<Self>,
4258    ) -> Option<Callout> {
4259        let state = self.thread_retry_status.as_ref()?;
4260
4261        let next_attempt_in = state
4262            .duration
4263            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4264        if next_attempt_in.is_zero() {
4265            return None;
4266        }
4267
4268        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4269
4270        let retry_message = if state.max_attempts == 1 {
4271            if next_attempt_in_secs == 1 {
4272                "Retrying. Next attempt in 1 second.".to_string()
4273            } else {
4274                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4275            }
4276        } else if next_attempt_in_secs == 1 {
4277            format!(
4278                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4279                state.attempt, state.max_attempts,
4280            )
4281        } else {
4282            format!(
4283                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4284                state.attempt, state.max_attempts,
4285            )
4286        };
4287
4288        Some(
4289            Callout::new()
4290                .severity(Severity::Warning)
4291                .title(state.last_error.clone())
4292                .description(retry_message),
4293        )
4294    }
4295
4296    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4297        let content = match self.thread_error.as_ref()? {
4298            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4299            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4300            ThreadError::ModelRequestLimitReached(plan) => {
4301                self.render_model_request_limit_reached_error(*plan, cx)
4302            }
4303            ThreadError::ToolUseLimitReached => {
4304                self.render_tool_use_limit_reached_error(window, cx)?
4305            }
4306        };
4307
4308        Some(div().child(content))
4309    }
4310
4311    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4312        Callout::new()
4313            .severity(Severity::Error)
4314            .title("Error")
4315            .description(error.clone())
4316            .actions_slot(self.create_copy_button(error.to_string()))
4317            .dismiss_action(self.dismiss_error_button(cx))
4318    }
4319
4320    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4321        const ERROR_MESSAGE: &str =
4322            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4323
4324        Callout::new()
4325            .severity(Severity::Error)
4326            .title("Free Usage Exceeded")
4327            .description(ERROR_MESSAGE)
4328            .actions_slot(
4329                h_flex()
4330                    .gap_0p5()
4331                    .child(self.upgrade_button(cx))
4332                    .child(self.create_copy_button(ERROR_MESSAGE)),
4333            )
4334            .dismiss_action(self.dismiss_error_button(cx))
4335    }
4336
4337    fn render_model_request_limit_reached_error(
4338        &self,
4339        plan: cloud_llm_client::Plan,
4340        cx: &mut Context<Self>,
4341    ) -> Callout {
4342        let error_message = match plan {
4343            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4344            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4345                "Upgrade to Zed Pro for more prompts."
4346            }
4347        };
4348
4349        Callout::new()
4350            .severity(Severity::Error)
4351            .title("Model Prompt Limit Reached")
4352            .description(error_message)
4353            .actions_slot(
4354                h_flex()
4355                    .gap_0p5()
4356                    .child(self.upgrade_button(cx))
4357                    .child(self.create_copy_button(error_message)),
4358            )
4359            .dismiss_action(self.dismiss_error_button(cx))
4360    }
4361
4362    fn render_tool_use_limit_reached_error(
4363        &self,
4364        window: &mut Window,
4365        cx: &mut Context<Self>,
4366    ) -> Option<Callout> {
4367        let thread = self.as_native_thread(cx)?;
4368        let supports_burn_mode = thread
4369            .read(cx)
4370            .model()
4371            .is_some_and(|model| model.supports_burn_mode());
4372
4373        let focus_handle = self.focus_handle(cx);
4374
4375        Some(
4376            Callout::new()
4377                .icon(IconName::Info)
4378                .title("Consecutive tool use limit reached.")
4379                .actions_slot(
4380                    h_flex()
4381                        .gap_0p5()
4382                        .when(supports_burn_mode, |this| {
4383                            this.child(
4384                                Button::new("continue-burn-mode", "Continue with Burn Mode")
4385                                    .style(ButtonStyle::Filled)
4386                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4387                                    .layer(ElevationIndex::ModalSurface)
4388                                    .label_size(LabelSize::Small)
4389                                    .key_binding(
4390                                        KeyBinding::for_action_in(
4391                                            &ContinueWithBurnMode,
4392                                            &focus_handle,
4393                                            window,
4394                                            cx,
4395                                        )
4396                                        .map(|kb| kb.size(rems_from_px(10.))),
4397                                    )
4398                                    .tooltip(Tooltip::text(
4399                                        "Enable Burn Mode for unlimited tool use.",
4400                                    ))
4401                                    .on_click({
4402                                        cx.listener(move |this, _, _window, cx| {
4403                                            thread.update(cx, |thread, cx| {
4404                                                thread
4405                                                    .set_completion_mode(CompletionMode::Burn, cx);
4406                                            });
4407                                            this.resume_chat(cx);
4408                                        })
4409                                    }),
4410                            )
4411                        })
4412                        .child(
4413                            Button::new("continue-conversation", "Continue")
4414                                .layer(ElevationIndex::ModalSurface)
4415                                .label_size(LabelSize::Small)
4416                                .key_binding(
4417                                    KeyBinding::for_action_in(
4418                                        &ContinueThread,
4419                                        &focus_handle,
4420                                        window,
4421                                        cx,
4422                                    )
4423                                    .map(|kb| kb.size(rems_from_px(10.))),
4424                                )
4425                                .on_click(cx.listener(|this, _, _window, cx| {
4426                                    this.resume_chat(cx);
4427                                })),
4428                        ),
4429                ),
4430        )
4431    }
4432
4433    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
4434        let message = message.into();
4435
4436        IconButton::new("copy", IconName::Copy)
4437            .icon_size(IconSize::Small)
4438            .icon_color(Color::Muted)
4439            .tooltip(Tooltip::text("Copy Error Message"))
4440            .on_click(move |_, _, cx| {
4441                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
4442            })
4443    }
4444
4445    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4446        IconButton::new("dismiss", IconName::Close)
4447            .icon_size(IconSize::Small)
4448            .icon_color(Color::Muted)
4449            .tooltip(Tooltip::text("Dismiss Error"))
4450            .on_click(cx.listener({
4451                move |this, _, _, cx| {
4452                    this.clear_thread_error(cx);
4453                    cx.notify();
4454                }
4455            }))
4456    }
4457
4458    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4459        Button::new("upgrade", "Upgrade")
4460            .label_size(LabelSize::Small)
4461            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4462            .on_click(cx.listener({
4463                move |this, _, _, cx| {
4464                    this.clear_thread_error(cx);
4465                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
4466                }
4467            }))
4468    }
4469
4470    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4471        self.thread_state = Self::initial_state(
4472            self.agent.clone(),
4473            None,
4474            self.workspace.clone(),
4475            self.project.clone(),
4476            window,
4477            cx,
4478        );
4479        cx.notify();
4480    }
4481
4482    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
4483        let task = match entry {
4484            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
4485                history.delete_thread(thread.id.clone(), cx)
4486            }),
4487            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
4488                history.delete_text_thread(context.path.clone(), cx)
4489            }),
4490        };
4491        task.detach_and_log_err(cx);
4492    }
4493}
4494
4495impl Focusable for AcpThreadView {
4496    fn focus_handle(&self, cx: &App) -> FocusHandle {
4497        self.message_editor.focus_handle(cx)
4498    }
4499}
4500
4501impl Render for AcpThreadView {
4502    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4503        let has_messages = self.list_state.item_count() > 0;
4504        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
4505
4506        v_flex()
4507            .size_full()
4508            .key_context("AcpThread")
4509            .on_action(cx.listener(Self::open_agent_diff))
4510            .on_action(cx.listener(Self::toggle_burn_mode))
4511            .on_action(cx.listener(Self::keep_all))
4512            .on_action(cx.listener(Self::reject_all))
4513            .bg(cx.theme().colors().panel_background)
4514            .child(match &self.thread_state {
4515                ThreadState::Unauthenticated {
4516                    connection,
4517                    description,
4518                    configuration_view,
4519                    pending_auth_method,
4520                    ..
4521                } => self.render_auth_required_state(
4522                    connection,
4523                    description.as_ref(),
4524                    configuration_view.as_ref(),
4525                    pending_auth_method.as_ref(),
4526                    window,
4527                    cx,
4528                ),
4529                ThreadState::Loading { .. } => {
4530                    v_flex().flex_1().child(self.render_empty_state(window, cx))
4531                }
4532                ThreadState::LoadError(e) => v_flex()
4533                    .p_2()
4534                    .flex_1()
4535                    .items_center()
4536                    .justify_center()
4537                    .child(self.render_load_error(e, cx)),
4538                ThreadState::Ready { thread, .. } => {
4539                    let thread_clone = thread.clone();
4540
4541                    v_flex().flex_1().map(|this| {
4542                        if has_messages {
4543                            this.child(
4544                                list(
4545                                    self.list_state.clone(),
4546                                    cx.processor(|this, index: usize, window, cx| {
4547                                        let Some((entry, len)) = this.thread().and_then(|thread| {
4548                                            let entries = &thread.read(cx).entries();
4549                                            Some((entries.get(index)?, entries.len()))
4550                                        }) else {
4551                                            return Empty.into_any();
4552                                        };
4553                                        this.render_entry(index, len, entry, window, cx)
4554                                    }),
4555                                )
4556                                .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
4557                                .flex_grow()
4558                                .into_any(),
4559                            )
4560                            .child(self.render_vertical_scrollbar(cx))
4561                            .children(
4562                                match thread_clone.read(cx).status() {
4563                                    ThreadStatus::Idle
4564                                    | ThreadStatus::WaitingForToolConfirmation => None,
4565                                    ThreadStatus::Generating => div()
4566                                        .px_5()
4567                                        .py_2()
4568                                        .child(LoadingLabel::new("").size(LabelSize::Small))
4569                                        .into(),
4570                                },
4571                            )
4572                        } else {
4573                            this.child(self.render_empty_state(window, cx))
4574                        }
4575                    })
4576                }
4577            })
4578            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
4579            // above so that the scrollbar doesn't render behind it. The current setup allows
4580            // the scrollbar to stop exactly at the activity bar start.
4581            .when(has_messages, |this| match &self.thread_state {
4582                ThreadState::Ready { thread, .. } => {
4583                    this.children(self.render_activity_bar(thread, window, cx))
4584                }
4585                _ => this,
4586            })
4587            .children(self.render_thread_retry_status_callout(window, cx))
4588            .children(self.render_thread_error(window, cx))
4589            .children(
4590                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
4591                    Some(usage_callout.into_any_element())
4592                } else {
4593                    self.render_token_limit_callout(line_height, cx)
4594                        .map(|token_limit_callout| token_limit_callout.into_any_element())
4595                },
4596            )
4597            .child(self.render_message_editor(window, cx))
4598    }
4599}
4600
4601fn default_markdown_style(buffer_font: bool, window: &Window, cx: &App) -> MarkdownStyle {
4602    let theme_settings = ThemeSettings::get_global(cx);
4603    let colors = cx.theme().colors();
4604
4605    let buffer_font_size = TextSize::Small.rems(cx);
4606
4607    let mut text_style = window.text_style();
4608    let line_height = buffer_font_size * 1.75;
4609
4610    let font_family = if buffer_font {
4611        theme_settings.buffer_font.family.clone()
4612    } else {
4613        theme_settings.ui_font.family.clone()
4614    };
4615
4616    let font_size = if buffer_font {
4617        TextSize::Small.rems(cx)
4618    } else {
4619        TextSize::Default.rems(cx)
4620    };
4621
4622    text_style.refine(&TextStyleRefinement {
4623        font_family: Some(font_family),
4624        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
4625        font_features: Some(theme_settings.ui_font.features.clone()),
4626        font_size: Some(font_size.into()),
4627        line_height: Some(line_height.into()),
4628        color: Some(cx.theme().colors().text),
4629        ..Default::default()
4630    });
4631
4632    MarkdownStyle {
4633        base_text_style: text_style.clone(),
4634        syntax: cx.theme().syntax().clone(),
4635        selection_background_color: cx.theme().colors().element_selection_background,
4636        code_block_overflow_x_scroll: true,
4637        table_overflow_x_scroll: true,
4638        heading_level_styles: Some(HeadingLevelStyles {
4639            h1: Some(TextStyleRefinement {
4640                font_size: Some(rems(1.15).into()),
4641                ..Default::default()
4642            }),
4643            h2: Some(TextStyleRefinement {
4644                font_size: Some(rems(1.1).into()),
4645                ..Default::default()
4646            }),
4647            h3: Some(TextStyleRefinement {
4648                font_size: Some(rems(1.05).into()),
4649                ..Default::default()
4650            }),
4651            h4: Some(TextStyleRefinement {
4652                font_size: Some(rems(1.).into()),
4653                ..Default::default()
4654            }),
4655            h5: Some(TextStyleRefinement {
4656                font_size: Some(rems(0.95).into()),
4657                ..Default::default()
4658            }),
4659            h6: Some(TextStyleRefinement {
4660                font_size: Some(rems(0.875).into()),
4661                ..Default::default()
4662            }),
4663        }),
4664        code_block: StyleRefinement {
4665            padding: EdgesRefinement {
4666                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4667                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4668                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4669                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4670            },
4671            margin: EdgesRefinement {
4672                top: Some(Length::Definite(Pixels(8.).into())),
4673                left: Some(Length::Definite(Pixels(0.).into())),
4674                right: Some(Length::Definite(Pixels(0.).into())),
4675                bottom: Some(Length::Definite(Pixels(12.).into())),
4676            },
4677            border_style: Some(BorderStyle::Solid),
4678            border_widths: EdgesRefinement {
4679                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
4680                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
4681                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
4682                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
4683            },
4684            border_color: Some(colors.border_variant),
4685            background: Some(colors.editor_background.into()),
4686            text: Some(TextStyleRefinement {
4687                font_family: Some(theme_settings.buffer_font.family.clone()),
4688                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4689                font_features: Some(theme_settings.buffer_font.features.clone()),
4690                font_size: Some(buffer_font_size.into()),
4691                ..Default::default()
4692            }),
4693            ..Default::default()
4694        },
4695        inline_code: TextStyleRefinement {
4696            font_family: Some(theme_settings.buffer_font.family.clone()),
4697            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4698            font_features: Some(theme_settings.buffer_font.features.clone()),
4699            font_size: Some(buffer_font_size.into()),
4700            background_color: Some(colors.editor_foreground.opacity(0.08)),
4701            ..Default::default()
4702        },
4703        link: TextStyleRefinement {
4704            background_color: Some(colors.editor_foreground.opacity(0.025)),
4705            underline: Some(UnderlineStyle {
4706                color: Some(colors.text_accent.opacity(0.5)),
4707                thickness: px(1.),
4708                ..Default::default()
4709            }),
4710            ..Default::default()
4711        },
4712        ..Default::default()
4713    }
4714}
4715
4716fn plan_label_markdown_style(
4717    status: &acp::PlanEntryStatus,
4718    window: &Window,
4719    cx: &App,
4720) -> MarkdownStyle {
4721    let default_md_style = default_markdown_style(false, window, cx);
4722
4723    MarkdownStyle {
4724        base_text_style: TextStyle {
4725            color: cx.theme().colors().text_muted,
4726            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
4727                Some(gpui::StrikethroughStyle {
4728                    thickness: px(1.),
4729                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
4730                })
4731            } else {
4732                None
4733            },
4734            ..default_md_style.base_text_style
4735        },
4736        ..default_md_style
4737    }
4738}
4739
4740fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
4741    let default_md_style = default_markdown_style(true, window, cx);
4742
4743    MarkdownStyle {
4744        base_text_style: TextStyle {
4745            ..default_md_style.base_text_style
4746        },
4747        selection_background_color: cx.theme().colors().element_selection_background,
4748        ..Default::default()
4749    }
4750}
4751
4752#[cfg(test)]
4753pub(crate) mod tests {
4754    use acp_thread::StubAgentConnection;
4755    use agent_client_protocol::SessionId;
4756    use assistant_context::ContextStore;
4757    use editor::EditorSettings;
4758    use fs::FakeFs;
4759    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
4760    use project::Project;
4761    use serde_json::json;
4762    use settings::SettingsStore;
4763    use std::any::Any;
4764    use std::path::Path;
4765    use workspace::Item;
4766
4767    use super::*;
4768
4769    #[gpui::test]
4770    async fn test_drop(cx: &mut TestAppContext) {
4771        init_test(cx);
4772
4773        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4774        let weak_view = thread_view.downgrade();
4775        drop(thread_view);
4776        assert!(!weak_view.is_upgradable());
4777    }
4778
4779    #[gpui::test]
4780    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
4781        init_test(cx);
4782
4783        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4784
4785        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4786        message_editor.update_in(cx, |editor, window, cx| {
4787            editor.set_text("Hello", window, cx);
4788        });
4789
4790        cx.deactivate_window();
4791
4792        thread_view.update_in(cx, |thread_view, window, cx| {
4793            thread_view.send(window, cx);
4794        });
4795
4796        cx.run_until_parked();
4797
4798        assert!(
4799            cx.windows()
4800                .iter()
4801                .any(|window| window.downcast::<AgentNotification>().is_some())
4802        );
4803    }
4804
4805    #[gpui::test]
4806    async fn test_notification_for_error(cx: &mut TestAppContext) {
4807        init_test(cx);
4808
4809        let (thread_view, cx) =
4810            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
4811
4812        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4813        message_editor.update_in(cx, |editor, window, cx| {
4814            editor.set_text("Hello", window, cx);
4815        });
4816
4817        cx.deactivate_window();
4818
4819        thread_view.update_in(cx, |thread_view, window, cx| {
4820            thread_view.send(window, cx);
4821        });
4822
4823        cx.run_until_parked();
4824
4825        assert!(
4826            cx.windows()
4827                .iter()
4828                .any(|window| window.downcast::<AgentNotification>().is_some())
4829        );
4830    }
4831
4832    #[gpui::test]
4833    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
4834        init_test(cx);
4835
4836        let tool_call_id = acp::ToolCallId("1".into());
4837        let tool_call = acp::ToolCall {
4838            id: tool_call_id.clone(),
4839            title: "Label".into(),
4840            kind: acp::ToolKind::Edit,
4841            status: acp::ToolCallStatus::Pending,
4842            content: vec!["hi".into()],
4843            locations: vec![],
4844            raw_input: None,
4845            raw_output: None,
4846        };
4847        let connection =
4848            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
4849                tool_call_id,
4850                vec![acp::PermissionOption {
4851                    id: acp::PermissionOptionId("1".into()),
4852                    name: "Allow".into(),
4853                    kind: acp::PermissionOptionKind::AllowOnce,
4854                }],
4855            )]));
4856
4857        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
4858
4859        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4860
4861        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4862        message_editor.update_in(cx, |editor, window, cx| {
4863            editor.set_text("Hello", window, cx);
4864        });
4865
4866        cx.deactivate_window();
4867
4868        thread_view.update_in(cx, |thread_view, window, cx| {
4869            thread_view.send(window, cx);
4870        });
4871
4872        cx.run_until_parked();
4873
4874        assert!(
4875            cx.windows()
4876                .iter()
4877                .any(|window| window.downcast::<AgentNotification>().is_some())
4878        );
4879    }
4880
4881    async fn setup_thread_view(
4882        agent: impl AgentServer + 'static,
4883        cx: &mut TestAppContext,
4884    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
4885        let fs = FakeFs::new(cx.executor());
4886        let project = Project::test(fs, [], cx).await;
4887        let (workspace, cx) =
4888            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4889
4890        let context_store =
4891            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
4892        let history_store =
4893            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
4894
4895        let thread_view = cx.update(|window, cx| {
4896            cx.new(|cx| {
4897                AcpThreadView::new(
4898                    Rc::new(agent),
4899                    None,
4900                    None,
4901                    workspace.downgrade(),
4902                    project,
4903                    history_store,
4904                    None,
4905                    window,
4906                    cx,
4907                )
4908            })
4909        });
4910        cx.run_until_parked();
4911        (thread_view, cx)
4912    }
4913
4914    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
4915        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
4916
4917        workspace
4918            .update_in(cx, |workspace, window, cx| {
4919                workspace.add_item_to_active_pane(
4920                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
4921                    None,
4922                    true,
4923                    window,
4924                    cx,
4925                );
4926            })
4927            .unwrap();
4928    }
4929
4930    struct ThreadViewItem(Entity<AcpThreadView>);
4931
4932    impl Item for ThreadViewItem {
4933        type Event = ();
4934
4935        fn include_in_nav_history() -> bool {
4936            false
4937        }
4938
4939        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
4940            "Test".into()
4941        }
4942    }
4943
4944    impl EventEmitter<()> for ThreadViewItem {}
4945
4946    impl Focusable for ThreadViewItem {
4947        fn focus_handle(&self, cx: &App) -> FocusHandle {
4948            self.0.read(cx).focus_handle(cx)
4949        }
4950    }
4951
4952    impl Render for ThreadViewItem {
4953        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
4954            self.0.clone().into_any_element()
4955        }
4956    }
4957
4958    struct StubAgentServer<C> {
4959        connection: C,
4960    }
4961
4962    impl<C> StubAgentServer<C> {
4963        fn new(connection: C) -> Self {
4964            Self { connection }
4965        }
4966    }
4967
4968    impl StubAgentServer<StubAgentConnection> {
4969        fn default_response() -> Self {
4970            let conn = StubAgentConnection::new();
4971            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4972                content: "Default response".into(),
4973            }]);
4974            Self::new(conn)
4975        }
4976    }
4977
4978    impl<C> AgentServer for StubAgentServer<C>
4979    where
4980        C: 'static + AgentConnection + Send + Clone,
4981    {
4982        fn logo(&self) -> ui::IconName {
4983            ui::IconName::Ai
4984        }
4985
4986        fn name(&self) -> &'static str {
4987            "Test"
4988        }
4989
4990        fn empty_state_headline(&self) -> &'static str {
4991            "Test"
4992        }
4993
4994        fn empty_state_message(&self) -> &'static str {
4995            "Test"
4996        }
4997
4998        fn connect(
4999            &self,
5000            _root_dir: &Path,
5001            _project: &Entity<Project>,
5002            _cx: &mut App,
5003        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
5004            Task::ready(Ok(Rc::new(self.connection.clone())))
5005        }
5006
5007        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5008            self
5009        }
5010    }
5011
5012    #[derive(Clone)]
5013    struct SaboteurAgentConnection;
5014
5015    impl AgentConnection for SaboteurAgentConnection {
5016        fn new_thread(
5017            self: Rc<Self>,
5018            project: Entity<Project>,
5019            _cwd: &Path,
5020            cx: &mut gpui::App,
5021        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5022            Task::ready(Ok(cx.new(|cx| {
5023                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5024                AcpThread::new(
5025                    "SaboteurAgentConnection",
5026                    self,
5027                    project,
5028                    action_log,
5029                    SessionId("test".into()),
5030                )
5031            })))
5032        }
5033
5034        fn auth_methods(&self) -> &[acp::AuthMethod] {
5035            &[]
5036        }
5037
5038        fn prompt_capabilities(&self) -> acp::PromptCapabilities {
5039            acp::PromptCapabilities {
5040                image: true,
5041                audio: true,
5042                embedded_context: true,
5043            }
5044        }
5045
5046        fn authenticate(
5047            &self,
5048            _method_id: acp::AuthMethodId,
5049            _cx: &mut App,
5050        ) -> Task<gpui::Result<()>> {
5051            unimplemented!()
5052        }
5053
5054        fn prompt(
5055            &self,
5056            _id: Option<acp_thread::UserMessageId>,
5057            _params: acp::PromptRequest,
5058            _cx: &mut App,
5059        ) -> Task<gpui::Result<acp::PromptResponse>> {
5060            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5061        }
5062
5063        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5064            unimplemented!()
5065        }
5066
5067        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5068            self
5069        }
5070    }
5071
5072    pub(crate) fn init_test(cx: &mut TestAppContext) {
5073        cx.update(|cx| {
5074            let settings_store = SettingsStore::test(cx);
5075            cx.set_global(settings_store);
5076            language::init(cx);
5077            Project::init_settings(cx);
5078            AgentSettings::register(cx);
5079            workspace::init_settings(cx);
5080            ThemeSettings::register(cx);
5081            release_channel::init(SemanticVersion::default(), cx);
5082            EditorSettings::register(cx);
5083            prompt_store::init(cx)
5084        });
5085    }
5086
5087    #[gpui::test]
5088    async fn test_rewind_views(cx: &mut TestAppContext) {
5089        init_test(cx);
5090
5091        let fs = FakeFs::new(cx.executor());
5092        fs.insert_tree(
5093            "/project",
5094            json!({
5095                "test1.txt": "old content 1",
5096                "test2.txt": "old content 2"
5097            }),
5098        )
5099        .await;
5100        let project = Project::test(fs, [Path::new("/project")], cx).await;
5101        let (workspace, cx) =
5102            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5103
5104        let context_store =
5105            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5106        let history_store =
5107            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5108
5109        let connection = Rc::new(StubAgentConnection::new());
5110        let thread_view = cx.update(|window, cx| {
5111            cx.new(|cx| {
5112                AcpThreadView::new(
5113                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5114                    None,
5115                    None,
5116                    workspace.downgrade(),
5117                    project.clone(),
5118                    history_store.clone(),
5119                    None,
5120                    window,
5121                    cx,
5122                )
5123            })
5124        });
5125
5126        cx.run_until_parked();
5127
5128        let thread = thread_view
5129            .read_with(cx, |view, _| view.thread().cloned())
5130            .unwrap();
5131
5132        // First user message
5133        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5134            id: acp::ToolCallId("tool1".into()),
5135            title: "Edit file 1".into(),
5136            kind: acp::ToolKind::Edit,
5137            status: acp::ToolCallStatus::Completed,
5138            content: vec![acp::ToolCallContent::Diff {
5139                diff: acp::Diff {
5140                    path: "/project/test1.txt".into(),
5141                    old_text: Some("old content 1".into()),
5142                    new_text: "new content 1".into(),
5143                },
5144            }],
5145            locations: vec![],
5146            raw_input: None,
5147            raw_output: None,
5148        })]);
5149
5150        thread
5151            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
5152            .await
5153            .unwrap();
5154        cx.run_until_parked();
5155
5156        thread.read_with(cx, |thread, _| {
5157            assert_eq!(thread.entries().len(), 2);
5158        });
5159
5160        thread_view.read_with(cx, |view, cx| {
5161            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5162                assert!(
5163                    entry_view_state
5164                        .entry(0)
5165                        .unwrap()
5166                        .message_editor()
5167                        .is_some()
5168                );
5169                assert!(entry_view_state.entry(1).unwrap().has_content());
5170            });
5171        });
5172
5173        // Second user message
5174        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5175            id: acp::ToolCallId("tool2".into()),
5176            title: "Edit file 2".into(),
5177            kind: acp::ToolKind::Edit,
5178            status: acp::ToolCallStatus::Completed,
5179            content: vec![acp::ToolCallContent::Diff {
5180                diff: acp::Diff {
5181                    path: "/project/test2.txt".into(),
5182                    old_text: Some("old content 2".into()),
5183                    new_text: "new content 2".into(),
5184                },
5185            }],
5186            locations: vec![],
5187            raw_input: None,
5188            raw_output: None,
5189        })]);
5190
5191        thread
5192            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5193            .await
5194            .unwrap();
5195        cx.run_until_parked();
5196
5197        let second_user_message_id = thread.read_with(cx, |thread, _| {
5198            assert_eq!(thread.entries().len(), 4);
5199            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5200                panic!();
5201            };
5202            user_message.id.clone().unwrap()
5203        });
5204
5205        thread_view.read_with(cx, |view, cx| {
5206            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5207                assert!(
5208                    entry_view_state
5209                        .entry(0)
5210                        .unwrap()
5211                        .message_editor()
5212                        .is_some()
5213                );
5214                assert!(entry_view_state.entry(1).unwrap().has_content());
5215                assert!(
5216                    entry_view_state
5217                        .entry(2)
5218                        .unwrap()
5219                        .message_editor()
5220                        .is_some()
5221                );
5222                assert!(entry_view_state.entry(3).unwrap().has_content());
5223            });
5224        });
5225
5226        // Rewind to first message
5227        thread
5228            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
5229            .await
5230            .unwrap();
5231
5232        cx.run_until_parked();
5233
5234        thread.read_with(cx, |thread, _| {
5235            assert_eq!(thread.entries().len(), 2);
5236        });
5237
5238        thread_view.read_with(cx, |view, cx| {
5239            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5240                assert!(
5241                    entry_view_state
5242                        .entry(0)
5243                        .unwrap()
5244                        .message_editor()
5245                        .is_some()
5246                );
5247                assert!(entry_view_state.entry(1).unwrap().has_content());
5248
5249                // Old views should be dropped
5250                assert!(entry_view_state.entry(2).is_none());
5251                assert!(entry_view_state.entry(3).is_none());
5252            });
5253        });
5254    }
5255
5256    #[gpui::test]
5257    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
5258        init_test(cx);
5259
5260        let connection = StubAgentConnection::new();
5261
5262        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5263            content: acp::ContentBlock::Text(acp::TextContent {
5264                text: "Response".into(),
5265                annotations: None,
5266            }),
5267        }]);
5268
5269        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5270        add_to_workspace(thread_view.clone(), cx);
5271
5272        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5273        message_editor.update_in(cx, |editor, window, cx| {
5274            editor.set_text("Original message to edit", window, cx);
5275        });
5276        thread_view.update_in(cx, |thread_view, window, cx| {
5277            thread_view.send(window, cx);
5278        });
5279
5280        cx.run_until_parked();
5281
5282        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5283            assert_eq!(view.editing_message, None);
5284
5285            view.entry_view_state
5286                .read(cx)
5287                .entry(0)
5288                .unwrap()
5289                .message_editor()
5290                .unwrap()
5291                .clone()
5292        });
5293
5294        // Focus
5295        cx.focus(&user_message_editor);
5296        thread_view.read_with(cx, |view, _cx| {
5297            assert_eq!(view.editing_message, Some(0));
5298        });
5299
5300        // Edit
5301        user_message_editor.update_in(cx, |editor, window, cx| {
5302            editor.set_text("Edited message content", window, cx);
5303        });
5304
5305        // Cancel
5306        user_message_editor.update_in(cx, |_editor, window, cx| {
5307            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
5308        });
5309
5310        thread_view.read_with(cx, |view, _cx| {
5311            assert_eq!(view.editing_message, None);
5312        });
5313
5314        user_message_editor.read_with(cx, |editor, cx| {
5315            assert_eq!(editor.text(cx), "Original message to edit");
5316        });
5317    }
5318
5319    #[gpui::test]
5320    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
5321        init_test(cx);
5322
5323        let connection = StubAgentConnection::new();
5324
5325        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5326        add_to_workspace(thread_view.clone(), cx);
5327
5328        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5329        let mut events = cx.events(&message_editor);
5330        message_editor.update_in(cx, |editor, window, cx| {
5331            editor.set_text("", window, cx);
5332        });
5333
5334        message_editor.update_in(cx, |_editor, window, cx| {
5335            window.dispatch_action(Box::new(Chat), cx);
5336        });
5337        cx.run_until_parked();
5338        // We shouldn't have received any messages
5339        assert!(matches!(
5340            events.try_next(),
5341            Err(futures::channel::mpsc::TryRecvError { .. })
5342        ));
5343    }
5344
5345    #[gpui::test]
5346    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
5347        init_test(cx);
5348
5349        let connection = StubAgentConnection::new();
5350
5351        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5352            content: acp::ContentBlock::Text(acp::TextContent {
5353                text: "Response".into(),
5354                annotations: None,
5355            }),
5356        }]);
5357
5358        let (thread_view, cx) =
5359            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5360        add_to_workspace(thread_view.clone(), cx);
5361
5362        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5363        message_editor.update_in(cx, |editor, window, cx| {
5364            editor.set_text("Original message to edit", window, cx);
5365        });
5366        thread_view.update_in(cx, |thread_view, window, cx| {
5367            thread_view.send(window, cx);
5368        });
5369
5370        cx.run_until_parked();
5371
5372        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5373            assert_eq!(view.editing_message, None);
5374            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
5375
5376            view.entry_view_state
5377                .read(cx)
5378                .entry(0)
5379                .unwrap()
5380                .message_editor()
5381                .unwrap()
5382                .clone()
5383        });
5384
5385        // Focus
5386        cx.focus(&user_message_editor);
5387
5388        // Edit
5389        user_message_editor.update_in(cx, |editor, window, cx| {
5390            editor.set_text("Edited message content", window, cx);
5391        });
5392
5393        // Send
5394        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5395            content: acp::ContentBlock::Text(acp::TextContent {
5396                text: "New Response".into(),
5397                annotations: None,
5398            }),
5399        }]);
5400
5401        user_message_editor.update_in(cx, |_editor, window, cx| {
5402            window.dispatch_action(Box::new(Chat), cx);
5403        });
5404
5405        cx.run_until_parked();
5406
5407        thread_view.read_with(cx, |view, cx| {
5408            assert_eq!(view.editing_message, None);
5409
5410            let entries = view.thread().unwrap().read(cx).entries();
5411            assert_eq!(entries.len(), 2);
5412            assert_eq!(
5413                entries[0].to_markdown(cx),
5414                "## User\n\nEdited message content\n\n"
5415            );
5416            assert_eq!(
5417                entries[1].to_markdown(cx),
5418                "## Assistant\n\nNew Response\n\n"
5419            );
5420
5421            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
5422                assert!(!state.entry(1).unwrap().has_content());
5423                state.entry(0).unwrap().message_editor().unwrap().clone()
5424            });
5425
5426            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
5427        })
5428    }
5429
5430    #[gpui::test]
5431    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
5432        init_test(cx);
5433
5434        let connection = StubAgentConnection::new();
5435
5436        let (thread_view, cx) =
5437            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5438        add_to_workspace(thread_view.clone(), cx);
5439
5440        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5441        message_editor.update_in(cx, |editor, window, cx| {
5442            editor.set_text("Original message to edit", window, cx);
5443        });
5444        thread_view.update_in(cx, |thread_view, window, cx| {
5445            thread_view.send(window, cx);
5446        });
5447
5448        cx.run_until_parked();
5449
5450        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
5451            let thread = view.thread().unwrap().read(cx);
5452            assert_eq!(thread.entries().len(), 1);
5453
5454            let editor = view
5455                .entry_view_state
5456                .read(cx)
5457                .entry(0)
5458                .unwrap()
5459                .message_editor()
5460                .unwrap()
5461                .clone();
5462
5463            (editor, thread.session_id().clone())
5464        });
5465
5466        // Focus
5467        cx.focus(&user_message_editor);
5468
5469        thread_view.read_with(cx, |view, _cx| {
5470            assert_eq!(view.editing_message, Some(0));
5471        });
5472
5473        // Edit
5474        user_message_editor.update_in(cx, |editor, window, cx| {
5475            editor.set_text("Edited message content", window, cx);
5476        });
5477
5478        thread_view.read_with(cx, |view, _cx| {
5479            assert_eq!(view.editing_message, Some(0));
5480        });
5481
5482        // Finish streaming response
5483        cx.update(|_, cx| {
5484            connection.send_update(
5485                session_id.clone(),
5486                acp::SessionUpdate::AgentMessageChunk {
5487                    content: acp::ContentBlock::Text(acp::TextContent {
5488                        text: "Response".into(),
5489                        annotations: None,
5490                    }),
5491                },
5492                cx,
5493            );
5494            connection.end_turn(session_id, acp::StopReason::EndTurn);
5495        });
5496
5497        thread_view.read_with(cx, |view, _cx| {
5498            assert_eq!(view.editing_message, Some(0));
5499        });
5500
5501        cx.run_until_parked();
5502
5503        // Should still be editing
5504        cx.update(|window, cx| {
5505            assert!(user_message_editor.focus_handle(cx).is_focused(window));
5506            assert_eq!(thread_view.read(cx).editing_message, Some(0));
5507            assert_eq!(
5508                user_message_editor.read(cx).text(cx),
5509                "Edited message content"
5510            );
5511        });
5512    }
5513
5514    #[gpui::test]
5515    async fn test_interrupt(cx: &mut TestAppContext) {
5516        init_test(cx);
5517
5518        let connection = StubAgentConnection::new();
5519
5520        let (thread_view, cx) =
5521            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5522        add_to_workspace(thread_view.clone(), cx);
5523
5524        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5525        message_editor.update_in(cx, |editor, window, cx| {
5526            editor.set_text("Message 1", window, cx);
5527        });
5528        thread_view.update_in(cx, |thread_view, window, cx| {
5529            thread_view.send(window, cx);
5530        });
5531
5532        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
5533            let thread = view.thread().unwrap();
5534
5535            (thread.clone(), thread.read(cx).session_id().clone())
5536        });
5537
5538        cx.run_until_parked();
5539
5540        cx.update(|_, cx| {
5541            connection.send_update(
5542                session_id.clone(),
5543                acp::SessionUpdate::AgentMessageChunk {
5544                    content: "Message 1 resp".into(),
5545                },
5546                cx,
5547            );
5548        });
5549
5550        cx.run_until_parked();
5551
5552        thread.read_with(cx, |thread, cx| {
5553            assert_eq!(
5554                thread.to_markdown(cx),
5555                indoc::indoc! {"
5556                    ## User
5557
5558                    Message 1
5559
5560                    ## Assistant
5561
5562                    Message 1 resp
5563
5564                "}
5565            )
5566        });
5567
5568        message_editor.update_in(cx, |editor, window, cx| {
5569            editor.set_text("Message 2", window, cx);
5570        });
5571        thread_view.update_in(cx, |thread_view, window, cx| {
5572            thread_view.send(window, cx);
5573        });
5574
5575        cx.update(|_, cx| {
5576            // Simulate a response sent after beginning to cancel
5577            connection.send_update(
5578                session_id.clone(),
5579                acp::SessionUpdate::AgentMessageChunk {
5580                    content: "onse".into(),
5581                },
5582                cx,
5583            );
5584        });
5585
5586        cx.run_until_parked();
5587
5588        // Last Message 1 response should appear before Message 2
5589        thread.read_with(cx, |thread, cx| {
5590            assert_eq!(
5591                thread.to_markdown(cx),
5592                indoc::indoc! {"
5593                    ## User
5594
5595                    Message 1
5596
5597                    ## Assistant
5598
5599                    Message 1 response
5600
5601                    ## User
5602
5603                    Message 2
5604
5605                "}
5606            )
5607        });
5608
5609        cx.update(|_, cx| {
5610            connection.send_update(
5611                session_id.clone(),
5612                acp::SessionUpdate::AgentMessageChunk {
5613                    content: "Message 2 response".into(),
5614                },
5615                cx,
5616            );
5617            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5618        });
5619
5620        cx.run_until_parked();
5621
5622        thread.read_with(cx, |thread, cx| {
5623            assert_eq!(
5624                thread.to_markdown(cx),
5625                indoc::indoc! {"
5626                    ## User
5627
5628                    Message 1
5629
5630                    ## Assistant
5631
5632                    Message 1 response
5633
5634                    ## User
5635
5636                    Message 2
5637
5638                    ## Assistant
5639
5640                    Message 2 response
5641
5642                "}
5643            )
5644        });
5645    }
5646}