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, 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, FocusHandle, Focusable, Hsla, Length, ListOffset,
  24    ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement, Subscription,
  25    Task, TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity, Window,
  26    WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, percentage, point,
  27    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};
  57use crate::ui::preview::UsageCallout;
  58use crate::ui::{AgentNotification, AgentNotificationEvent, BurnModeTooltip};
  59use crate::{
  60    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, ExpandMessageEditor, Follow,
  61    KeepAll, OpenAgentDiff, RejectAll, ToggleBurnMode, ToggleProfileSelector,
  62};
  63
  64const RESPONSE_PADDING_X: Pixels = px(19.);
  65pub const MIN_EDITOR_LINES: usize = 4;
  66pub const MAX_EDITOR_LINES: usize = 8;
  67
  68#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  69enum ThreadFeedback {
  70    Positive,
  71    Negative,
  72}
  73
  74enum ThreadError {
  75    PaymentRequired,
  76    ModelRequestLimitReached(cloud_llm_client::Plan),
  77    ToolUseLimitReached,
  78    Other(SharedString),
  79}
  80
  81impl ThreadError {
  82    fn from_err(error: anyhow::Error) -> Self {
  83        if error.is::<language_model::PaymentRequiredError>() {
  84            Self::PaymentRequired
  85        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  86            Self::ToolUseLimitReached
  87        } else if let Some(error) =
  88            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  89        {
  90            Self::ModelRequestLimitReached(error.plan)
  91        } else {
  92            Self::Other(error.to_string().into())
  93        }
  94    }
  95}
  96
  97impl ProfileProvider for Entity<agent2::Thread> {
  98    fn profile_id(&self, cx: &App) -> AgentProfileId {
  99        self.read(cx).profile().clone()
 100    }
 101
 102    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 103        self.update(cx, |thread, _cx| {
 104            thread.set_profile(profile_id);
 105        });
 106    }
 107
 108    fn profiles_supported(&self, cx: &App) -> bool {
 109        self.read(cx)
 110            .model()
 111            .is_some_and(|model| model.supports_tools())
 112    }
 113}
 114
 115#[derive(Default)]
 116struct ThreadFeedbackState {
 117    feedback: Option<ThreadFeedback>,
 118    comments_editor: Option<Entity<Editor>>,
 119}
 120
 121impl ThreadFeedbackState {
 122    pub fn submit(
 123        &mut self,
 124        thread: Entity<AcpThread>,
 125        feedback: ThreadFeedback,
 126        window: &mut Window,
 127        cx: &mut App,
 128    ) {
 129        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 130            return;
 131        };
 132
 133        if self.feedback == Some(feedback) {
 134            return;
 135        }
 136
 137        self.feedback = Some(feedback);
 138        match feedback {
 139            ThreadFeedback::Positive => {
 140                self.comments_editor = None;
 141            }
 142            ThreadFeedback::Negative => {
 143                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 144            }
 145        }
 146        let session_id = thread.read(cx).session_id().clone();
 147        let agent_name = telemetry.agent_name();
 148        let task = telemetry.thread_data(&session_id, cx);
 149        let rating = match feedback {
 150            ThreadFeedback::Positive => "positive",
 151            ThreadFeedback::Negative => "negative",
 152        };
 153        cx.background_spawn(async move {
 154            let thread = task.await?;
 155            telemetry::event!(
 156                "Agent Thread Rated",
 157                session_id = session_id,
 158                rating = rating,
 159                agent = agent_name,
 160                thread = thread
 161            );
 162            anyhow::Ok(())
 163        })
 164        .detach_and_log_err(cx);
 165    }
 166
 167    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 168        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 169            return;
 170        };
 171
 172        let Some(comments) = self
 173            .comments_editor
 174            .as_ref()
 175            .map(|editor| editor.read(cx).text(cx))
 176            .filter(|text| !text.trim().is_empty())
 177        else {
 178            return;
 179        };
 180
 181        self.comments_editor.take();
 182
 183        let session_id = thread.read(cx).session_id().clone();
 184        let agent_name = telemetry.agent_name();
 185        let task = telemetry.thread_data(&session_id, cx);
 186        cx.background_spawn(async move {
 187            let thread = task.await?;
 188            telemetry::event!(
 189                "Agent Thread Feedback Comments",
 190                session_id = session_id,
 191                comments = comments,
 192                agent = agent_name,
 193                thread = thread
 194            );
 195            anyhow::Ok(())
 196        })
 197        .detach_and_log_err(cx);
 198    }
 199
 200    pub fn clear(&mut self) {
 201        *self = Self::default()
 202    }
 203
 204    pub fn dismiss_comments(&mut self) {
 205        self.comments_editor.take();
 206    }
 207
 208    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 209        let buffer = cx.new(|cx| {
 210            let empty_string = String::new();
 211            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 212        });
 213
 214        let editor = cx.new(|cx| {
 215            let mut editor = Editor::new(
 216                editor::EditorMode::AutoHeight {
 217                    min_lines: 1,
 218                    max_lines: Some(4),
 219                },
 220                buffer,
 221                None,
 222                window,
 223                cx,
 224            );
 225            editor.set_placeholder_text(
 226                "What went wrong? Share your feedback so we can improve.",
 227                cx,
 228            );
 229            editor
 230        });
 231
 232        editor.read(cx).focus_handle(cx).focus(window);
 233        editor
 234    }
 235}
 236
 237pub struct AcpThreadView {
 238    agent: Rc<dyn AgentServer>,
 239    workspace: WeakEntity<Workspace>,
 240    project: Entity<Project>,
 241    thread_state: ThreadState,
 242    history_store: Entity<HistoryStore>,
 243    entry_view_state: Entity<EntryViewState>,
 244    message_editor: Entity<MessageEditor>,
 245    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 246    profile_selector: Option<Entity<ProfileSelector>>,
 247    notifications: Vec<WindowHandle<AgentNotification>>,
 248    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 249    thread_retry_status: Option<RetryStatus>,
 250    thread_error: Option<ThreadError>,
 251    thread_feedback: ThreadFeedbackState,
 252    list_state: ListState,
 253    scrollbar_state: ScrollbarState,
 254    auth_task: Option<Task<()>>,
 255    expanded_tool_calls: HashSet<acp::ToolCallId>,
 256    expanded_thinking_blocks: HashSet<(usize, usize)>,
 257    edits_expanded: bool,
 258    plan_expanded: bool,
 259    editor_expanded: bool,
 260    terminal_expanded: bool,
 261    editing_message: Option<usize>,
 262    _cancel_task: Option<Task<()>>,
 263    _subscriptions: [Subscription; 3],
 264}
 265
 266enum ThreadState {
 267    Loading {
 268        _task: Task<()>,
 269    },
 270    Ready {
 271        thread: Entity<AcpThread>,
 272        _subscription: [Subscription; 2],
 273    },
 274    LoadError(LoadError),
 275    Unauthenticated {
 276        connection: Rc<dyn AgentConnection>,
 277        description: Option<Entity<Markdown>>,
 278        configuration_view: Option<AnyView>,
 279        _subscription: Option<Subscription>,
 280    },
 281}
 282
 283impl AcpThreadView {
 284    pub fn new(
 285        agent: Rc<dyn AgentServer>,
 286        resume_thread: Option<DbThreadMetadata>,
 287        summarize_thread: Option<DbThreadMetadata>,
 288        workspace: WeakEntity<Workspace>,
 289        project: Entity<Project>,
 290        history_store: Entity<HistoryStore>,
 291        prompt_store: Option<Entity<PromptStore>>,
 292        window: &mut Window,
 293        cx: &mut Context<Self>,
 294    ) -> Self {
 295        let prevent_slash_commands = agent.clone().downcast::<ClaudeCode>().is_some();
 296        let message_editor = cx.new(|cx| {
 297            let mut editor = MessageEditor::new(
 298                workspace.clone(),
 299                project.clone(),
 300                history_store.clone(),
 301                prompt_store.clone(),
 302                "Message the agent — @ to include context",
 303                prevent_slash_commands,
 304                editor::EditorMode::AutoHeight {
 305                    min_lines: MIN_EDITOR_LINES,
 306                    max_lines: Some(MAX_EDITOR_LINES),
 307                },
 308                window,
 309                cx,
 310            );
 311            if let Some(entry) = summarize_thread {
 312                editor.insert_thread_summary(entry, window, cx);
 313            }
 314            editor
 315        });
 316
 317        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 318
 319        let entry_view_state = cx.new(|_| {
 320            EntryViewState::new(
 321                workspace.clone(),
 322                project.clone(),
 323                history_store.clone(),
 324                prompt_store.clone(),
 325                prevent_slash_commands,
 326            )
 327        });
 328
 329        let subscriptions = [
 330            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 331            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 332            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 333        ];
 334
 335        Self {
 336            agent: agent.clone(),
 337            workspace: workspace.clone(),
 338            project: project.clone(),
 339            entry_view_state,
 340            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 341            message_editor,
 342            model_selector: None,
 343            profile_selector: None,
 344            notifications: Vec::new(),
 345            notification_subscriptions: HashMap::default(),
 346            list_state: list_state.clone(),
 347            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 348            thread_retry_status: None,
 349            thread_error: None,
 350            thread_feedback: Default::default(),
 351            auth_task: None,
 352            expanded_tool_calls: HashSet::default(),
 353            expanded_thinking_blocks: HashSet::default(),
 354            editing_message: None,
 355            edits_expanded: false,
 356            plan_expanded: false,
 357            editor_expanded: false,
 358            terminal_expanded: true,
 359            history_store,
 360            _subscriptions: subscriptions,
 361            _cancel_task: None,
 362        }
 363    }
 364
 365    fn initial_state(
 366        agent: Rc<dyn AgentServer>,
 367        resume_thread: Option<DbThreadMetadata>,
 368        workspace: WeakEntity<Workspace>,
 369        project: Entity<Project>,
 370        window: &mut Window,
 371        cx: &mut Context<Self>,
 372    ) -> ThreadState {
 373        let root_dir = project
 374            .read(cx)
 375            .visible_worktrees(cx)
 376            .next()
 377            .map(|worktree| worktree.read(cx).abs_path())
 378            .unwrap_or_else(|| paths::home_dir().as_path().into());
 379
 380        let connect_task = agent.connect(&root_dir, &project, cx);
 381        let load_task = cx.spawn_in(window, async move |this, cx| {
 382            let connection = match connect_task.await {
 383                Ok(connection) => connection,
 384                Err(err) => {
 385                    this.update(cx, |this, cx| {
 386                        this.handle_load_error(err, cx);
 387                        cx.notify();
 388                    })
 389                    .log_err();
 390                    return;
 391                }
 392            };
 393
 394            let result = if let Some(native_agent) = connection
 395                .clone()
 396                .downcast::<agent2::NativeAgentConnection>()
 397                && let Some(resume) = resume_thread.clone()
 398            {
 399                cx.update(|_, cx| {
 400                    native_agent
 401                        .0
 402                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 403                })
 404                .log_err()
 405            } else {
 406                cx.update(|_, cx| {
 407                    connection
 408                        .clone()
 409                        .new_thread(project.clone(), &root_dir, cx)
 410                })
 411                .log_err()
 412            };
 413
 414            let Some(result) = result else {
 415                return;
 416            };
 417
 418            let result = match result.await {
 419                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 420                    Ok(err) => {
 421                        cx.update(|window, cx| {
 422                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 423                        })
 424                        .log_err();
 425                        return;
 426                    }
 427                    Err(err) => Err(err),
 428                },
 429                Ok(thread) => Ok(thread),
 430            };
 431
 432            this.update_in(cx, |this, window, cx| {
 433                match result {
 434                    Ok(thread) => {
 435                        let thread_subscription =
 436                            cx.subscribe_in(&thread, window, Self::handle_thread_event);
 437
 438                        let action_log = thread.read(cx).action_log().clone();
 439                        let action_log_subscription =
 440                            cx.observe(&action_log, |_, _, cx| cx.notify());
 441
 442                        let count = thread.read(cx).entries().len();
 443                        this.list_state.splice(0..0, count);
 444                        this.entry_view_state.update(cx, |view_state, cx| {
 445                            for ix in 0..count {
 446                                view_state.sync_entry(ix, &thread, window, cx);
 447                            }
 448                        });
 449
 450                        if let Some(resume) = resume_thread {
 451                            this.history_store.update(cx, |history, cx| {
 452                                history.push_recently_opened_entry(
 453                                    HistoryEntryId::AcpThread(resume.id),
 454                                    cx,
 455                                );
 456                            });
 457                        }
 458
 459                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 460
 461                        this.model_selector =
 462                            thread
 463                                .read(cx)
 464                                .connection()
 465                                .model_selector()
 466                                .map(|selector| {
 467                                    cx.new(|cx| {
 468                                        AcpModelSelectorPopover::new(
 469                                            thread.read(cx).session_id().clone(),
 470                                            selector,
 471                                            PopoverMenuHandle::default(),
 472                                            this.focus_handle(cx),
 473                                            window,
 474                                            cx,
 475                                        )
 476                                    })
 477                                });
 478
 479                        this.thread_state = ThreadState::Ready {
 480                            thread,
 481                            _subscription: [thread_subscription, action_log_subscription],
 482                        };
 483
 484                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 485                            cx.new(|cx| {
 486                                ProfileSelector::new(
 487                                    <dyn Fs>::global(cx),
 488                                    Arc::new(thread.clone()),
 489                                    this.focus_handle(cx),
 490                                    cx,
 491                                )
 492                            })
 493                        });
 494
 495                        this.message_editor.update(cx, |message_editor, _cx| {
 496                            message_editor
 497                                .set_prompt_capabilities(connection.prompt_capabilities());
 498                        });
 499
 500                        cx.notify();
 501                    }
 502                    Err(err) => {
 503                        this.handle_load_error(err, cx);
 504                    }
 505                };
 506            })
 507            .log_err();
 508        });
 509
 510        ThreadState::Loading { _task: load_task }
 511    }
 512
 513    fn handle_auth_required(
 514        this: WeakEntity<Self>,
 515        err: AuthRequired,
 516        agent: Rc<dyn AgentServer>,
 517        connection: Rc<dyn AgentConnection>,
 518        window: &mut Window,
 519        cx: &mut App,
 520    ) {
 521        let agent_name = agent.name();
 522        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 523            let registry = LanguageModelRegistry::global(cx);
 524
 525            let sub = window.subscribe(&registry, cx, {
 526                let provider_id = provider_id.clone();
 527                let this = this.clone();
 528                move |_, ev, window, cx| {
 529                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 530                        && &provider_id == updated_provider_id
 531                    {
 532                        this.update(cx, |this, cx| {
 533                            this.thread_state = Self::initial_state(
 534                                agent.clone(),
 535                                None,
 536                                this.workspace.clone(),
 537                                this.project.clone(),
 538                                window,
 539                                cx,
 540                            );
 541                            cx.notify();
 542                        })
 543                        .ok();
 544                    }
 545                }
 546            });
 547
 548            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 549                provider.configuration_view(
 550                    language_model::ConfigurationViewTargetAgent::Other(agent_name),
 551                    window,
 552                    cx,
 553                )
 554            });
 555
 556            (view, Some(sub))
 557        } else {
 558            (None, None)
 559        };
 560
 561        this.update(cx, |this, cx| {
 562            this.thread_state = ThreadState::Unauthenticated {
 563                connection,
 564                configuration_view,
 565                description: err
 566                    .description
 567                    .clone()
 568                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 569                _subscription: subscription,
 570            };
 571            cx.notify();
 572        })
 573        .ok();
 574    }
 575
 576    fn handle_load_error(&mut self, err: anyhow::Error, cx: &mut Context<Self>) {
 577        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 578            self.thread_state = ThreadState::LoadError(load_err.clone());
 579        } else {
 580            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 581        }
 582        cx.notify();
 583    }
 584
 585    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 586        match &self.thread_state {
 587            ThreadState::Ready { thread, .. } => Some(thread),
 588            ThreadState::Unauthenticated { .. }
 589            | ThreadState::Loading { .. }
 590            | ThreadState::LoadError { .. } => None,
 591        }
 592    }
 593
 594    pub fn title(&self, cx: &App) -> SharedString {
 595        match &self.thread_state {
 596            ThreadState::Ready { thread, .. } => thread.read(cx).title(),
 597            ThreadState::Loading { .. } => "Loading…".into(),
 598            ThreadState::LoadError(_) => "Failed to load".into(),
 599            ThreadState::Unauthenticated { .. } => "Authentication Required".into(),
 600        }
 601    }
 602
 603    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 604        self.thread_error.take();
 605        self.thread_retry_status.take();
 606
 607        if let Some(thread) = self.thread() {
 608            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 609        }
 610    }
 611
 612    pub fn expand_message_editor(
 613        &mut self,
 614        _: &ExpandMessageEditor,
 615        _window: &mut Window,
 616        cx: &mut Context<Self>,
 617    ) {
 618        self.set_editor_is_expanded(!self.editor_expanded, cx);
 619        cx.notify();
 620    }
 621
 622    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 623        self.editor_expanded = is_expanded;
 624        self.message_editor.update(cx, |editor, cx| {
 625            if is_expanded {
 626                editor.set_mode(
 627                    EditorMode::Full {
 628                        scale_ui_elements_with_buffer_font_size: false,
 629                        show_active_line_background: false,
 630                        sized_by_content: false,
 631                    },
 632                    cx,
 633                )
 634            } else {
 635                editor.set_mode(
 636                    EditorMode::AutoHeight {
 637                        min_lines: MIN_EDITOR_LINES,
 638                        max_lines: Some(MAX_EDITOR_LINES),
 639                    },
 640                    cx,
 641                )
 642            }
 643        });
 644        cx.notify();
 645    }
 646
 647    pub fn handle_message_editor_event(
 648        &mut self,
 649        _: &Entity<MessageEditor>,
 650        event: &MessageEditorEvent,
 651        window: &mut Window,
 652        cx: &mut Context<Self>,
 653    ) {
 654        match event {
 655            MessageEditorEvent::Send => self.send(window, cx),
 656            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 657            MessageEditorEvent::Focus => {
 658                self.cancel_editing(&Default::default(), window, cx);
 659            }
 660        }
 661    }
 662
 663    pub fn handle_entry_view_event(
 664        &mut self,
 665        _: &Entity<EntryViewState>,
 666        event: &EntryViewEvent,
 667        window: &mut Window,
 668        cx: &mut Context<Self>,
 669    ) {
 670        match &event.view_event {
 671            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 672                if let Some(thread) = self.thread()
 673                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 674                        thread.read(cx).entries().get(event.entry_index)
 675                    && user_message.id.is_some()
 676                {
 677                    self.editing_message = Some(event.entry_index);
 678                    cx.notify();
 679                }
 680            }
 681            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 682                self.regenerate(event.entry_index, editor, window, cx);
 683            }
 684            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 685                self.cancel_editing(&Default::default(), window, cx);
 686            }
 687        }
 688    }
 689
 690    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 691        self.thread_error.take();
 692        let Some(thread) = self.thread() else {
 693            return;
 694        };
 695
 696        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 697        cx.spawn(async move |this, cx| {
 698            let result = task.await;
 699
 700            this.update(cx, |this, cx| {
 701                if let Err(err) = result {
 702                    this.handle_thread_error(err, cx);
 703                }
 704            })
 705        })
 706        .detach();
 707    }
 708
 709    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 710        let Some(thread) = self.thread() else { return };
 711        self.history_store.update(cx, |history, cx| {
 712            history.push_recently_opened_entry(
 713                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 714                cx,
 715            );
 716        });
 717
 718        if thread.read(cx).status() != ThreadStatus::Idle {
 719            self.stop_current_and_send_new_message(window, cx);
 720            return;
 721        }
 722
 723        let contents = self
 724            .message_editor
 725            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 726        self.send_impl(contents, window, cx)
 727    }
 728
 729    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 730        let Some(thread) = self.thread().cloned() else {
 731            return;
 732        };
 733
 734        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
 735
 736        let contents = self
 737            .message_editor
 738            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 739
 740        cx.spawn_in(window, async move |this, cx| {
 741            cancelled.await;
 742
 743            this.update_in(cx, |this, window, cx| {
 744                this.send_impl(contents, window, cx);
 745            })
 746            .ok();
 747        })
 748        .detach();
 749    }
 750
 751    fn send_impl(
 752        &mut self,
 753        contents: Task<anyhow::Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
 754        window: &mut Window,
 755        cx: &mut Context<Self>,
 756    ) {
 757        self.thread_error.take();
 758        self.editing_message.take();
 759        self.thread_feedback.clear();
 760
 761        let Some(thread) = self.thread().cloned() else {
 762            return;
 763        };
 764        let task = cx.spawn_in(window, async move |this, cx| {
 765            let (contents, tracked_buffers) = contents.await?;
 766
 767            if contents.is_empty() {
 768                return Ok(());
 769            }
 770
 771            this.update_in(cx, |this, window, cx| {
 772                this.set_editor_is_expanded(false, cx);
 773                this.scroll_to_bottom(cx);
 774                this.message_editor.update(cx, |message_editor, cx| {
 775                    message_editor.clear(window, cx);
 776                });
 777            })?;
 778            let send = thread.update(cx, |thread, cx| {
 779                thread.action_log().update(cx, |action_log, cx| {
 780                    for buffer in tracked_buffers {
 781                        action_log.buffer_read(buffer, cx)
 782                    }
 783                });
 784                thread.send(contents, cx)
 785            })?;
 786            send.await
 787        });
 788
 789        cx.spawn(async move |this, cx| {
 790            if let Err(err) = task.await {
 791                this.update(cx, |this, cx| {
 792                    this.handle_thread_error(err, cx);
 793                })
 794                .ok();
 795            }
 796        })
 797        .detach();
 798    }
 799
 800    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 801        let Some(thread) = self.thread().cloned() else {
 802            return;
 803        };
 804
 805        if let Some(index) = self.editing_message.take()
 806            && let Some(editor) = self
 807                .entry_view_state
 808                .read(cx)
 809                .entry(index)
 810                .and_then(|e| e.message_editor())
 811                .cloned()
 812        {
 813            editor.update(cx, |editor, cx| {
 814                if let Some(user_message) = thread
 815                    .read(cx)
 816                    .entries()
 817                    .get(index)
 818                    .and_then(|e| e.user_message())
 819                {
 820                    editor.set_message(user_message.chunks.clone(), window, cx);
 821                }
 822            })
 823        };
 824        self.focus_handle(cx).focus(window);
 825        cx.notify();
 826    }
 827
 828    fn regenerate(
 829        &mut self,
 830        entry_ix: usize,
 831        message_editor: &Entity<MessageEditor>,
 832        window: &mut Window,
 833        cx: &mut Context<Self>,
 834    ) {
 835        let Some(thread) = self.thread().cloned() else {
 836            return;
 837        };
 838
 839        let Some(rewind) = thread.update(cx, |thread, cx| {
 840            let user_message_id = thread.entries().get(entry_ix)?.user_message()?.id.clone()?;
 841            Some(thread.rewind(user_message_id, cx))
 842        }) else {
 843            return;
 844        };
 845
 846        let contents =
 847            message_editor.update(cx, |message_editor, cx| message_editor.contents(window, cx));
 848
 849        let task = cx.foreground_executor().spawn(async move {
 850            rewind.await?;
 851            contents.await
 852        });
 853        self.send_impl(task, window, cx);
 854    }
 855
 856    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
 857        if let Some(thread) = self.thread() {
 858            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
 859        }
 860    }
 861
 862    fn open_edited_buffer(
 863        &mut self,
 864        buffer: &Entity<Buffer>,
 865        window: &mut Window,
 866        cx: &mut Context<Self>,
 867    ) {
 868        let Some(thread) = self.thread() else {
 869            return;
 870        };
 871
 872        let Some(diff) =
 873            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
 874        else {
 875            return;
 876        };
 877
 878        diff.update(cx, |diff, cx| {
 879            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
 880        })
 881    }
 882
 883    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 884        let Some(thread) = self.as_native_thread(cx) else {
 885            return;
 886        };
 887        let project_context = thread.read(cx).project_context().read(cx);
 888
 889        let project_entry_ids = project_context
 890            .worktrees
 891            .iter()
 892            .flat_map(|worktree| worktree.rules_file.as_ref())
 893            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
 894            .collect::<Vec<_>>();
 895
 896        self.workspace
 897            .update(cx, move |workspace, cx| {
 898                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
 899                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
 900                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
 901                let project = workspace.project().read(cx);
 902                let project_paths = project_entry_ids
 903                    .into_iter()
 904                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
 905                    .collect::<Vec<_>>();
 906                for project_path in project_paths {
 907                    workspace
 908                        .open_path(project_path, None, true, window, cx)
 909                        .detach_and_log_err(cx);
 910                }
 911            })
 912            .ok();
 913    }
 914
 915    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
 916        self.thread_error = Some(ThreadError::from_err(error));
 917        cx.notify();
 918    }
 919
 920    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
 921        self.thread_error = None;
 922        cx.notify();
 923    }
 924
 925    fn handle_thread_event(
 926        &mut self,
 927        thread: &Entity<AcpThread>,
 928        event: &AcpThreadEvent,
 929        window: &mut Window,
 930        cx: &mut Context<Self>,
 931    ) {
 932        match event {
 933            AcpThreadEvent::NewEntry => {
 934                let len = thread.read(cx).entries().len();
 935                let index = len - 1;
 936                self.entry_view_state.update(cx, |view_state, cx| {
 937                    view_state.sync_entry(index, thread, window, cx)
 938                });
 939                self.list_state.splice(index..index, 1);
 940            }
 941            AcpThreadEvent::EntryUpdated(index) => {
 942                self.entry_view_state.update(cx, |view_state, cx| {
 943                    view_state.sync_entry(*index, thread, window, cx)
 944                });
 945            }
 946            AcpThreadEvent::EntriesRemoved(range) => {
 947                self.entry_view_state
 948                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
 949                self.list_state.splice(range.clone(), 0);
 950            }
 951            AcpThreadEvent::ToolAuthorizationRequired => {
 952                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
 953            }
 954            AcpThreadEvent::Retry(retry) => {
 955                self.thread_retry_status = Some(retry.clone());
 956            }
 957            AcpThreadEvent::Stopped => {
 958                self.thread_retry_status.take();
 959                let used_tools = thread.read(cx).used_tools_since_last_user_message();
 960                self.notify_with_sound(
 961                    if used_tools {
 962                        "Finished running tools"
 963                    } else {
 964                        "New message"
 965                    },
 966                    IconName::ZedAssistant,
 967                    window,
 968                    cx,
 969                );
 970            }
 971            AcpThreadEvent::Error => {
 972                self.thread_retry_status.take();
 973                self.notify_with_sound(
 974                    "Agent stopped due to an error",
 975                    IconName::Warning,
 976                    window,
 977                    cx,
 978                );
 979            }
 980            AcpThreadEvent::LoadError(error) => {
 981                self.thread_retry_status.take();
 982                self.thread_state = ThreadState::LoadError(error.clone());
 983            }
 984            AcpThreadEvent::TitleUpdated | AcpThreadEvent::TokenUsageUpdated => {}
 985        }
 986        cx.notify();
 987    }
 988
 989    fn authenticate(
 990        &mut self,
 991        method: acp::AuthMethodId,
 992        window: &mut Window,
 993        cx: &mut Context<Self>,
 994    ) {
 995        let ThreadState::Unauthenticated { ref connection, .. } = self.thread_state else {
 996            return;
 997        };
 998
 999        self.thread_error.take();
1000        let authenticate = connection.authenticate(method, cx);
1001        self.auth_task = Some(cx.spawn_in(window, {
1002            let project = self.project.clone();
1003            let agent = self.agent.clone();
1004            async move |this, cx| {
1005                let result = authenticate.await;
1006
1007                this.update_in(cx, |this, window, cx| {
1008                    if let Err(err) = result {
1009                        this.handle_thread_error(err, cx);
1010                    } else {
1011                        this.thread_state = Self::initial_state(
1012                            agent,
1013                            None,
1014                            this.workspace.clone(),
1015                            project.clone(),
1016                            window,
1017                            cx,
1018                        )
1019                    }
1020                    this.auth_task.take()
1021                })
1022                .ok();
1023            }
1024        }));
1025    }
1026
1027    fn authorize_tool_call(
1028        &mut self,
1029        tool_call_id: acp::ToolCallId,
1030        option_id: acp::PermissionOptionId,
1031        option_kind: acp::PermissionOptionKind,
1032        cx: &mut Context<Self>,
1033    ) {
1034        let Some(thread) = self.thread() else {
1035            return;
1036        };
1037        thread.update(cx, |thread, cx| {
1038            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1039        });
1040        cx.notify();
1041    }
1042
1043    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1044        let Some(thread) = self.thread() else {
1045            return;
1046        };
1047        thread
1048            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1049            .detach_and_log_err(cx);
1050        cx.notify();
1051    }
1052
1053    fn render_entry(
1054        &self,
1055        entry_ix: usize,
1056        total_entries: usize,
1057        entry: &AgentThreadEntry,
1058        window: &mut Window,
1059        cx: &Context<Self>,
1060    ) -> AnyElement {
1061        let primary = match &entry {
1062            AgentThreadEntry::UserMessage(message) => {
1063                let Some(editor) = self
1064                    .entry_view_state
1065                    .read(cx)
1066                    .entry(entry_ix)
1067                    .and_then(|entry| entry.message_editor())
1068                    .cloned()
1069                else {
1070                    return Empty.into_any_element();
1071                };
1072
1073                let editing = self.editing_message == Some(entry_ix);
1074                let editor_focus = editor.focus_handle(cx).is_focused(window);
1075                let focus_border = cx.theme().colors().border_focused;
1076
1077                let rules_item = if entry_ix == 0 {
1078                    self.render_rules_item(cx)
1079                } else {
1080                    None
1081                };
1082
1083                v_flex()
1084                    .id(("user_message", entry_ix))
1085                    .pt_2()
1086                    .pb_4()
1087                    .px_2()
1088                    .gap_1p5()
1089                    .w_full()
1090                    .children(rules_item)
1091                    .children(message.id.clone().and_then(|message_id| {
1092                        message.checkpoint.as_ref()?.show.then(|| {
1093                            h_flex()
1094                                .gap_2()
1095                                .child(Divider::horizontal())
1096                                .child(
1097                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1098                                        .icon(IconName::Undo)
1099                                        .icon_size(IconSize::XSmall)
1100                                        .icon_position(IconPosition::Start)
1101                                        .label_size(LabelSize::XSmall)
1102                                        .icon_color(Color::Muted)
1103                                        .color(Color::Muted)
1104                                        .on_click(cx.listener(move |this, _, _window, cx| {
1105                                            this.rewind(&message_id, cx);
1106                                        }))
1107                                )
1108                                .child(Divider::horizontal())
1109                        })
1110                    }))
1111                    .child(
1112                        div()
1113                            .relative()
1114                            .child(
1115                                div()
1116                                    .py_3()
1117                                    .px_2()
1118                                    .rounded_lg()
1119                                    .shadow_md()
1120                                    .bg(cx.theme().colors().editor_background)
1121                                    .border_1()
1122                                    .when(editing && !editor_focus, |this| this.border_dashed())
1123                                    .border_color(cx.theme().colors().border)
1124                                    .map(|this|{
1125                                        if editing && editor_focus {
1126                                            this.border_color(focus_border)
1127                                        } else if message.id.is_some() {
1128                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1129                                        } else {
1130                                            this
1131                                        }
1132                                    })
1133                                    .text_xs()
1134                                    .child(editor.clone().into_any_element()),
1135                            )
1136                            .when(editing && editor_focus, |this|
1137                                this.child(
1138                                    h_flex()
1139                                        .absolute()
1140                                        .top_neg_3p5()
1141                                        .right_3()
1142                                        .gap_1()
1143                                        .rounded_sm()
1144                                        .border_1()
1145                                        .border_color(cx.theme().colors().border)
1146                                        .bg(cx.theme().colors().editor_background)
1147                                        .overflow_hidden()
1148                                        .child(
1149                                            IconButton::new("cancel", IconName::Close)
1150                                                .icon_color(Color::Error)
1151                                                .icon_size(IconSize::XSmall)
1152                                                .on_click(cx.listener(Self::cancel_editing))
1153                                        )
1154                                        .child(
1155                                            IconButton::new("regenerate", IconName::Return)
1156                                                .icon_color(Color::Muted)
1157                                                .icon_size(IconSize::XSmall)
1158                                                .tooltip(Tooltip::text(
1159                                                    "Editing will restart the thread from this point."
1160                                                ))
1161                                                .on_click(cx.listener({
1162                                                    let editor = editor.clone();
1163                                                    move |this, _, window, cx| {
1164                                                        this.regenerate(
1165                                                            entry_ix, &editor, window, cx,
1166                                                        );
1167                                                    }
1168                                                })),
1169                                        )
1170                                )
1171                            ),
1172                    )
1173                    .into_any()
1174            }
1175            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1176                let style = default_markdown_style(false, window, cx);
1177                let message_body = v_flex()
1178                    .w_full()
1179                    .gap_2p5()
1180                    .children(chunks.iter().enumerate().filter_map(
1181                        |(chunk_ix, chunk)| match chunk {
1182                            AssistantMessageChunk::Message { block } => {
1183                                block.markdown().map(|md| {
1184                                    self.render_markdown(md.clone(), style.clone())
1185                                        .into_any_element()
1186                                })
1187                            }
1188                            AssistantMessageChunk::Thought { block } => {
1189                                block.markdown().map(|md| {
1190                                    self.render_thinking_block(
1191                                        entry_ix,
1192                                        chunk_ix,
1193                                        md.clone(),
1194                                        window,
1195                                        cx,
1196                                    )
1197                                    .into_any_element()
1198                                })
1199                            }
1200                        },
1201                    ))
1202                    .into_any();
1203
1204                v_flex()
1205                    .px_5()
1206                    .py_1()
1207                    .when(entry_ix + 1 == total_entries, |this| this.pb_4())
1208                    .w_full()
1209                    .text_ui(cx)
1210                    .child(message_body)
1211                    .into_any()
1212            }
1213            AgentThreadEntry::ToolCall(tool_call) => {
1214                let has_terminals = tool_call.terminals().next().is_some();
1215
1216                div().w_full().py_1p5().px_5().map(|this| {
1217                    if has_terminals {
1218                        this.children(tool_call.terminals().map(|terminal| {
1219                            self.render_terminal_tool_call(
1220                                entry_ix, terminal, tool_call, window, cx,
1221                            )
1222                        }))
1223                    } else {
1224                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1225                    }
1226                })
1227            }
1228            .into_any(),
1229        };
1230
1231        let Some(thread) = self.thread() else {
1232            return primary;
1233        };
1234
1235        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
1236        let primary = if entry_ix == total_entries - 1 && !is_generating {
1237            v_flex()
1238                .w_full()
1239                .child(primary)
1240                .child(self.render_thread_controls(cx))
1241                .when_some(
1242                    self.thread_feedback.comments_editor.clone(),
1243                    |this, editor| {
1244                        this.child(Self::render_feedback_feedback_editor(editor, window, cx))
1245                    },
1246                )
1247                .into_any_element()
1248        } else {
1249            primary
1250        };
1251
1252        if let Some(editing_index) = self.editing_message.as_ref()
1253            && *editing_index < entry_ix
1254        {
1255            let backdrop = div()
1256                .id(("backdrop", entry_ix))
1257                .size_full()
1258                .absolute()
1259                .inset_0()
1260                .bg(cx.theme().colors().panel_background)
1261                .opacity(0.8)
1262                .block_mouse_except_scroll()
1263                .on_click(cx.listener(Self::cancel_editing));
1264
1265            div()
1266                .relative()
1267                .child(primary)
1268                .child(backdrop)
1269                .into_any_element()
1270        } else {
1271            primary
1272        }
1273    }
1274
1275    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1276        cx.theme()
1277            .colors()
1278            .element_background
1279            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1280    }
1281
1282    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1283        cx.theme().colors().border.opacity(0.8)
1284    }
1285
1286    fn tool_name_font_size(&self) -> Rems {
1287        rems_from_px(13.)
1288    }
1289
1290    fn render_thinking_block(
1291        &self,
1292        entry_ix: usize,
1293        chunk_ix: usize,
1294        chunk: Entity<Markdown>,
1295        window: &Window,
1296        cx: &Context<Self>,
1297    ) -> AnyElement {
1298        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1299        let card_header_id = SharedString::from("inner-card-header");
1300        let key = (entry_ix, chunk_ix);
1301        let is_open = self.expanded_thinking_blocks.contains(&key);
1302
1303        v_flex()
1304            .child(
1305                h_flex()
1306                    .id(header_id)
1307                    .group(&card_header_id)
1308                    .relative()
1309                    .w_full()
1310                    .gap_1p5()
1311                    .opacity(0.8)
1312                    .hover(|style| style.opacity(1.))
1313                    .child(
1314                        h_flex()
1315                            .size_4()
1316                            .justify_center()
1317                            .child(
1318                                div()
1319                                    .group_hover(&card_header_id, |s| s.invisible().w_0())
1320                                    .child(
1321                                        Icon::new(IconName::ToolThink)
1322                                            .size(IconSize::Small)
1323                                            .color(Color::Muted),
1324                                    ),
1325                            )
1326                            .child(
1327                                h_flex()
1328                                    .absolute()
1329                                    .inset_0()
1330                                    .invisible()
1331                                    .justify_center()
1332                                    .group_hover(&card_header_id, |s| s.visible())
1333                                    .child(
1334                                        Disclosure::new(("expand", entry_ix), is_open)
1335                                            .opened_icon(IconName::ChevronUp)
1336                                            .closed_icon(IconName::ChevronRight)
1337                                            .on_click(cx.listener({
1338                                                move |this, _event, _window, cx| {
1339                                                    if is_open {
1340                                                        this.expanded_thinking_blocks.remove(&key);
1341                                                    } else {
1342                                                        this.expanded_thinking_blocks.insert(key);
1343                                                    }
1344                                                    cx.notify();
1345                                                }
1346                                            })),
1347                                    ),
1348                            ),
1349                    )
1350                    .child(
1351                        div()
1352                            .text_size(self.tool_name_font_size())
1353                            .child("Thinking"),
1354                    )
1355                    .on_click(cx.listener({
1356                        move |this, _event, _window, cx| {
1357                            if is_open {
1358                                this.expanded_thinking_blocks.remove(&key);
1359                            } else {
1360                                this.expanded_thinking_blocks.insert(key);
1361                            }
1362                            cx.notify();
1363                        }
1364                    })),
1365            )
1366            .when(is_open, |this| {
1367                this.child(
1368                    div()
1369                        .relative()
1370                        .mt_1p5()
1371                        .ml(px(7.))
1372                        .pl_4()
1373                        .border_l_1()
1374                        .border_color(self.tool_card_border_color(cx))
1375                        .text_ui_sm(cx)
1376                        .child(
1377                            self.render_markdown(chunk, default_markdown_style(false, window, cx)),
1378                        ),
1379                )
1380            })
1381            .into_any_element()
1382    }
1383
1384    fn render_tool_call_icon(
1385        &self,
1386        group_name: SharedString,
1387        entry_ix: usize,
1388        is_collapsible: bool,
1389        is_open: bool,
1390        tool_call: &ToolCall,
1391        cx: &Context<Self>,
1392    ) -> Div {
1393        let tool_icon = Icon::new(match tool_call.kind {
1394            acp::ToolKind::Read => IconName::ToolRead,
1395            acp::ToolKind::Edit => IconName::ToolPencil,
1396            acp::ToolKind::Delete => IconName::ToolDeleteFile,
1397            acp::ToolKind::Move => IconName::ArrowRightLeft,
1398            acp::ToolKind::Search => IconName::ToolSearch,
1399            acp::ToolKind::Execute => IconName::ToolTerminal,
1400            acp::ToolKind::Think => IconName::ToolThink,
1401            acp::ToolKind::Fetch => IconName::ToolWeb,
1402            acp::ToolKind::Other => IconName::ToolHammer,
1403        })
1404        .size(IconSize::Small)
1405        .color(Color::Muted);
1406
1407        let base_container = h_flex().size_4().justify_center();
1408
1409        if is_collapsible {
1410            base_container
1411                .child(
1412                    div()
1413                        .group_hover(&group_name, |s| s.invisible().w_0())
1414                        .child(tool_icon),
1415                )
1416                .child(
1417                    h_flex()
1418                        .absolute()
1419                        .inset_0()
1420                        .invisible()
1421                        .justify_center()
1422                        .group_hover(&group_name, |s| s.visible())
1423                        .child(
1424                            Disclosure::new(("expand", entry_ix), is_open)
1425                                .opened_icon(IconName::ChevronUp)
1426                                .closed_icon(IconName::ChevronRight)
1427                                .on_click(cx.listener({
1428                                    let id = tool_call.id.clone();
1429                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1430                                        if is_open {
1431                                            this.expanded_tool_calls.remove(&id);
1432                                        } else {
1433                                            this.expanded_tool_calls.insert(id.clone());
1434                                        }
1435                                        cx.notify();
1436                                    }
1437                                })),
1438                        ),
1439                )
1440        } else {
1441            base_container.child(tool_icon)
1442        }
1443    }
1444
1445    fn render_tool_call(
1446        &self,
1447        entry_ix: usize,
1448        tool_call: &ToolCall,
1449        window: &Window,
1450        cx: &Context<Self>,
1451    ) -> Div {
1452        let header_id = SharedString::from(format!("outer-tool-call-header-{}", entry_ix));
1453        let card_header_id = SharedString::from("inner-tool-call-header");
1454
1455        let status_icon = match &tool_call.status {
1456            ToolCallStatus::Pending
1457            | ToolCallStatus::WaitingForConfirmation { .. }
1458            | ToolCallStatus::Completed => None,
1459            ToolCallStatus::InProgress => Some(
1460                Icon::new(IconName::ArrowCircle)
1461                    .color(Color::Accent)
1462                    .size(IconSize::Small)
1463                    .with_animation(
1464                        "running",
1465                        Animation::new(Duration::from_secs(2)).repeat(),
1466                        |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
1467                    )
1468                    .into_any(),
1469            ),
1470            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => Some(
1471                Icon::new(IconName::Close)
1472                    .color(Color::Error)
1473                    .size(IconSize::Small)
1474                    .into_any_element(),
1475            ),
1476        };
1477
1478        let needs_confirmation = matches!(
1479            tool_call.status,
1480            ToolCallStatus::WaitingForConfirmation { .. }
1481        );
1482        let is_edit =
1483            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
1484        let use_card_layout = needs_confirmation || is_edit;
1485
1486        let is_collapsible = !tool_call.content.is_empty() && !use_card_layout;
1487
1488        let is_open =
1489            needs_confirmation || is_edit || self.expanded_tool_calls.contains(&tool_call.id);
1490
1491        let gradient_overlay = |color: Hsla| {
1492            div()
1493                .absolute()
1494                .top_0()
1495                .right_0()
1496                .w_12()
1497                .h_full()
1498                .bg(linear_gradient(
1499                    90.,
1500                    linear_color_stop(color, 1.),
1501                    linear_color_stop(color.opacity(0.2), 0.),
1502                ))
1503        };
1504        let gradient_color = if use_card_layout {
1505            self.tool_card_header_bg(cx)
1506        } else {
1507            cx.theme().colors().panel_background
1508        };
1509
1510        let tool_output_display = if is_open {
1511            match &tool_call.status {
1512                ToolCallStatus::WaitingForConfirmation { options, .. } => {
1513                    v_flex()
1514                        .w_full()
1515                        .children(tool_call.content.iter().map(|content| {
1516                            div()
1517                                .child(self.render_tool_call_content(
1518                                    entry_ix, content, tool_call, window, cx,
1519                                ))
1520                                .into_any_element()
1521                        }))
1522                        .child(self.render_permission_buttons(
1523                            options,
1524                            entry_ix,
1525                            tool_call.id.clone(),
1526                            tool_call.content.is_empty(),
1527                            cx,
1528                        ))
1529                        .into_any()
1530                }
1531                ToolCallStatus::Pending | ToolCallStatus::InProgress
1532                    if is_edit && tool_call.content.is_empty() =>
1533                {
1534                    self.render_diff_loading(cx).into_any()
1535                }
1536                ToolCallStatus::Pending
1537                | ToolCallStatus::InProgress
1538                | ToolCallStatus::Completed
1539                | ToolCallStatus::Failed
1540                | ToolCallStatus::Canceled => v_flex()
1541                    .w_full()
1542                    .children(tool_call.content.iter().map(|content| {
1543                        div().child(
1544                            self.render_tool_call_content(entry_ix, content, tool_call, window, cx),
1545                        )
1546                    }))
1547                    .into_any(),
1548                ToolCallStatus::Rejected => Empty.into_any(),
1549            }
1550            .into()
1551        } else {
1552            None
1553        };
1554
1555        v_flex()
1556            .when(use_card_layout, |this| {
1557                this.rounded_lg()
1558                    .border_1()
1559                    .border_color(self.tool_card_border_color(cx))
1560                    .bg(cx.theme().colors().editor_background)
1561                    .overflow_hidden()
1562            })
1563            .child(
1564                h_flex()
1565                    .id(header_id)
1566                    .w_full()
1567                    .gap_1()
1568                    .justify_between()
1569                    .map(|this| {
1570                        if use_card_layout {
1571                            this.pl_2()
1572                                .pr_1p5()
1573                                .py_1()
1574                                .rounded_t_md()
1575                                .when(is_open, |this| {
1576                                    this.border_b_1()
1577                                        .border_color(self.tool_card_border_color(cx))
1578                                })
1579                                .bg(self.tool_card_header_bg(cx))
1580                        } else {
1581                            this.opacity(0.8).hover(|style| style.opacity(1.))
1582                        }
1583                    })
1584                    .child(
1585                        h_flex()
1586                            .group(&card_header_id)
1587                            .relative()
1588                            .w_full()
1589                            .min_h_6()
1590                            .text_size(self.tool_name_font_size())
1591                            .child(self.render_tool_call_icon(
1592                                card_header_id,
1593                                entry_ix,
1594                                is_collapsible,
1595                                is_open,
1596                                tool_call,
1597                                cx,
1598                            ))
1599                            .child(if tool_call.locations.len() == 1 {
1600                                let name = tool_call.locations[0]
1601                                    .path
1602                                    .file_name()
1603                                    .unwrap_or_default()
1604                                    .display()
1605                                    .to_string();
1606
1607                                h_flex()
1608                                    .id(("open-tool-call-location", entry_ix))
1609                                    .w_full()
1610                                    .max_w_full()
1611                                    .px_1p5()
1612                                    .rounded_sm()
1613                                    .overflow_x_scroll()
1614                                    .opacity(0.8)
1615                                    .hover(|label| {
1616                                        label.opacity(1.).bg(cx
1617                                            .theme()
1618                                            .colors()
1619                                            .element_hover
1620                                            .opacity(0.5))
1621                                    })
1622                                    .child(name)
1623                                    .tooltip(Tooltip::text("Jump to File"))
1624                                    .on_click(cx.listener(move |this, _, window, cx| {
1625                                        this.open_tool_call_location(entry_ix, 0, window, cx);
1626                                    }))
1627                                    .into_any_element()
1628                            } else {
1629                                h_flex()
1630                                    .id("non-card-label-container")
1631                                    .w_full()
1632                                    .relative()
1633                                    .ml_1p5()
1634                                    .overflow_hidden()
1635                                    .child(
1636                                        h_flex()
1637                                            .id("non-card-label")
1638                                            .pr_8()
1639                                            .w_full()
1640                                            .overflow_x_scroll()
1641                                            .child(self.render_markdown(
1642                                                tool_call.label.clone(),
1643                                                default_markdown_style(false, window, cx),
1644                                            )),
1645                                    )
1646                                    .child(gradient_overlay(gradient_color))
1647                                    .on_click(cx.listener({
1648                                        let id = tool_call.id.clone();
1649                                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1650                                            if is_open {
1651                                                this.expanded_tool_calls.remove(&id);
1652                                            } else {
1653                                                this.expanded_tool_calls.insert(id.clone());
1654                                            }
1655                                            cx.notify();
1656                                        }
1657                                    }))
1658                                    .into_any()
1659                            }),
1660                    )
1661                    .children(status_icon),
1662            )
1663            .children(tool_output_display)
1664    }
1665
1666    fn render_tool_call_content(
1667        &self,
1668        entry_ix: usize,
1669        content: &ToolCallContent,
1670        tool_call: &ToolCall,
1671        window: &Window,
1672        cx: &Context<Self>,
1673    ) -> AnyElement {
1674        match content {
1675            ToolCallContent::ContentBlock(content) => {
1676                if let Some(resource_link) = content.resource_link() {
1677                    self.render_resource_link(resource_link, cx)
1678                } else if let Some(markdown) = content.markdown() {
1679                    self.render_markdown_output(markdown.clone(), tool_call.id.clone(), window, cx)
1680                } else {
1681                    Empty.into_any_element()
1682                }
1683            }
1684            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
1685            ToolCallContent::Terminal(terminal) => {
1686                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
1687            }
1688        }
1689    }
1690
1691    fn render_markdown_output(
1692        &self,
1693        markdown: Entity<Markdown>,
1694        tool_call_id: acp::ToolCallId,
1695        window: &Window,
1696        cx: &Context<Self>,
1697    ) -> AnyElement {
1698        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
1699
1700        v_flex()
1701            .mt_1p5()
1702            .ml(px(7.))
1703            .px_3p5()
1704            .gap_2()
1705            .border_l_1()
1706            .border_color(self.tool_card_border_color(cx))
1707            .text_sm()
1708            .text_color(cx.theme().colors().text_muted)
1709            .child(self.render_markdown(markdown, default_markdown_style(false, window, cx)))
1710            .child(
1711                Button::new(button_id, "Collapse Output")
1712                    .full_width()
1713                    .style(ButtonStyle::Outlined)
1714                    .label_size(LabelSize::Small)
1715                    .icon(IconName::ChevronUp)
1716                    .icon_color(Color::Muted)
1717                    .icon_position(IconPosition::Start)
1718                    .on_click(cx.listener({
1719                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1720                            this.expanded_tool_calls.remove(&tool_call_id);
1721                            cx.notify();
1722                        }
1723                    })),
1724            )
1725            .into_any_element()
1726    }
1727
1728    fn render_resource_link(
1729        &self,
1730        resource_link: &acp::ResourceLink,
1731        cx: &Context<Self>,
1732    ) -> AnyElement {
1733        let uri: SharedString = resource_link.uri.clone().into();
1734
1735        let label: SharedString = if let Some(path) = resource_link.uri.strip_prefix("file://") {
1736            path.to_string().into()
1737        } else {
1738            uri.clone()
1739        };
1740
1741        let button_id = SharedString::from(format!("item-{}", uri));
1742
1743        div()
1744            .ml(px(7.))
1745            .pl_2p5()
1746            .border_l_1()
1747            .border_color(self.tool_card_border_color(cx))
1748            .overflow_hidden()
1749            .child(
1750                Button::new(button_id, label)
1751                    .label_size(LabelSize::Small)
1752                    .color(Color::Muted)
1753                    .icon(IconName::ArrowUpRight)
1754                    .icon_size(IconSize::XSmall)
1755                    .icon_color(Color::Muted)
1756                    .truncate(true)
1757                    .on_click(cx.listener({
1758                        let workspace = self.workspace.clone();
1759                        move |_, _, window, cx: &mut Context<Self>| {
1760                            Self::open_link(uri.clone(), &workspace, window, cx);
1761                        }
1762                    })),
1763            )
1764            .into_any_element()
1765    }
1766
1767    fn render_permission_buttons(
1768        &self,
1769        options: &[acp::PermissionOption],
1770        entry_ix: usize,
1771        tool_call_id: acp::ToolCallId,
1772        empty_content: bool,
1773        cx: &Context<Self>,
1774    ) -> Div {
1775        h_flex()
1776            .py_1()
1777            .pl_2()
1778            .pr_1()
1779            .gap_1()
1780            .justify_between()
1781            .flex_wrap()
1782            .when(!empty_content, |this| {
1783                this.border_t_1()
1784                    .border_color(self.tool_card_border_color(cx))
1785            })
1786            .child(
1787                div()
1788                    .min_w(rems_from_px(145.))
1789                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
1790            )
1791            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
1792                let option_id = SharedString::from(option.id.0.clone());
1793                Button::new((option_id, entry_ix), option.name.clone())
1794                    .map(|this| match option.kind {
1795                        acp::PermissionOptionKind::AllowOnce => {
1796                            this.icon(IconName::Check).icon_color(Color::Success)
1797                        }
1798                        acp::PermissionOptionKind::AllowAlways => {
1799                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
1800                        }
1801                        acp::PermissionOptionKind::RejectOnce => {
1802                            this.icon(IconName::Close).icon_color(Color::Error)
1803                        }
1804                        acp::PermissionOptionKind::RejectAlways => {
1805                            this.icon(IconName::Close).icon_color(Color::Error)
1806                        }
1807                    })
1808                    .icon_position(IconPosition::Start)
1809                    .icon_size(IconSize::XSmall)
1810                    .label_size(LabelSize::Small)
1811                    .on_click(cx.listener({
1812                        let tool_call_id = tool_call_id.clone();
1813                        let option_id = option.id.clone();
1814                        let option_kind = option.kind;
1815                        move |this, _, _, cx| {
1816                            this.authorize_tool_call(
1817                                tool_call_id.clone(),
1818                                option_id.clone(),
1819                                option_kind,
1820                                cx,
1821                            );
1822                        }
1823                    }))
1824            })))
1825    }
1826
1827    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
1828        let bar = |n: u64, width_class: &str| {
1829            let bg_color = cx.theme().colors().element_active;
1830            let base = h_flex().h_1().rounded_full();
1831
1832            let modified = match width_class {
1833                "w_4_5" => base.w_3_4(),
1834                "w_1_4" => base.w_1_4(),
1835                "w_2_4" => base.w_2_4(),
1836                "w_3_5" => base.w_3_5(),
1837                "w_2_5" => base.w_2_5(),
1838                _ => base.w_1_2(),
1839            };
1840
1841            modified.with_animation(
1842                ElementId::Integer(n),
1843                Animation::new(Duration::from_secs(2)).repeat(),
1844                move |tab, delta| {
1845                    let delta = (delta - 0.15 * n as f32) / 0.7;
1846                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
1847                    let delta = ease_in_out(delta.clamp(0., 1.));
1848                    let delta = 0.1 + 0.9 * delta;
1849
1850                    tab.bg(bg_color.opacity(delta))
1851                },
1852            )
1853        };
1854
1855        v_flex()
1856            .p_3()
1857            .gap_1()
1858            .rounded_b_md()
1859            .bg(cx.theme().colors().editor_background)
1860            .child(bar(0, "w_4_5"))
1861            .child(bar(1, "w_1_4"))
1862            .child(bar(2, "w_2_4"))
1863            .child(bar(3, "w_3_5"))
1864            .child(bar(4, "w_2_5"))
1865            .into_any_element()
1866    }
1867
1868    fn render_diff_editor(
1869        &self,
1870        entry_ix: usize,
1871        diff: &Entity<acp_thread::Diff>,
1872        tool_call: &ToolCall,
1873        cx: &Context<Self>,
1874    ) -> AnyElement {
1875        let tool_progress = matches!(
1876            &tool_call.status,
1877            ToolCallStatus::InProgress | ToolCallStatus::Pending
1878        );
1879
1880        v_flex()
1881            .h_full()
1882            .child(
1883                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
1884                    && let Some(editor) = entry.editor_for_diff(diff)
1885                    && diff.read(cx).has_revealed_range(cx)
1886                {
1887                    editor.into_any_element()
1888                } else if tool_progress {
1889                    self.render_diff_loading(cx)
1890                } else {
1891                    Empty.into_any()
1892                },
1893            )
1894            .into_any()
1895    }
1896
1897    fn render_terminal_tool_call(
1898        &self,
1899        entry_ix: usize,
1900        terminal: &Entity<acp_thread::Terminal>,
1901        tool_call: &ToolCall,
1902        window: &Window,
1903        cx: &Context<Self>,
1904    ) -> AnyElement {
1905        let terminal_data = terminal.read(cx);
1906        let working_dir = terminal_data.working_dir();
1907        let command = terminal_data.command();
1908        let started_at = terminal_data.started_at();
1909
1910        let tool_failed = matches!(
1911            &tool_call.status,
1912            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
1913        );
1914
1915        let output = terminal_data.output();
1916        let command_finished = output.is_some();
1917        let truncated_output = output.is_some_and(|output| output.was_content_truncated);
1918        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
1919
1920        let command_failed = command_finished
1921            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
1922
1923        let time_elapsed = if let Some(output) = output {
1924            output.ended_at.duration_since(started_at)
1925        } else {
1926            started_at.elapsed()
1927        };
1928
1929        let header_bg = cx
1930            .theme()
1931            .colors()
1932            .element_background
1933            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
1934        let border_color = cx.theme().colors().border.opacity(0.6);
1935
1936        let working_dir = working_dir
1937            .as_ref()
1938            .map(|path| format!("{}", path.display()))
1939            .unwrap_or_else(|| "current directory".to_string());
1940
1941        let header = h_flex()
1942            .id(SharedString::from(format!(
1943                "terminal-tool-header-{}",
1944                terminal.entity_id()
1945            )))
1946            .flex_none()
1947            .gap_1()
1948            .justify_between()
1949            .rounded_t_md()
1950            .child(
1951                div()
1952                    .id(("command-target-path", terminal.entity_id()))
1953                    .w_full()
1954                    .max_w_full()
1955                    .overflow_x_scroll()
1956                    .child(
1957                        Label::new(working_dir)
1958                            .buffer_font(cx)
1959                            .size(LabelSize::XSmall)
1960                            .color(Color::Muted),
1961                    ),
1962            )
1963            .when(!command_finished, |header| {
1964                header
1965                    .gap_1p5()
1966                    .child(
1967                        Button::new(
1968                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
1969                            "Stop",
1970                        )
1971                        .icon(IconName::Stop)
1972                        .icon_position(IconPosition::Start)
1973                        .icon_size(IconSize::Small)
1974                        .icon_color(Color::Error)
1975                        .label_size(LabelSize::Small)
1976                        .tooltip(move |window, cx| {
1977                            Tooltip::with_meta(
1978                                "Stop This Command",
1979                                None,
1980                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
1981                                window,
1982                                cx,
1983                            )
1984                        })
1985                        .on_click({
1986                            let terminal = terminal.clone();
1987                            cx.listener(move |_this, _event, _window, cx| {
1988                                let inner_terminal = terminal.read(cx).inner().clone();
1989                                inner_terminal.update(cx, |inner_terminal, _cx| {
1990                                    inner_terminal.kill_active_task();
1991                                });
1992                            })
1993                        }),
1994                    )
1995                    .child(Divider::vertical())
1996                    .child(
1997                        Icon::new(IconName::ArrowCircle)
1998                            .size(IconSize::XSmall)
1999                            .color(Color::Info)
2000                            .with_animation(
2001                                "arrow-circle",
2002                                Animation::new(Duration::from_secs(2)).repeat(),
2003                                |icon, delta| {
2004                                    icon.transform(Transformation::rotate(percentage(delta)))
2005                                },
2006                            ),
2007                    )
2008            })
2009            .when(tool_failed || command_failed, |header| {
2010                header.child(
2011                    div()
2012                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2013                        .child(
2014                            Icon::new(IconName::Close)
2015                                .size(IconSize::Small)
2016                                .color(Color::Error),
2017                        )
2018                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2019                            this.tooltip(Tooltip::text(format!(
2020                                "Exited with code {}",
2021                                status.code().unwrap_or(-1),
2022                            )))
2023                        }),
2024                )
2025            })
2026            .when(truncated_output, |header| {
2027                let tooltip = if let Some(output) = output {
2028                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2029                        "Output exceeded terminal max lines and was \
2030                            truncated, the model received the first 16 KB."
2031                            .to_string()
2032                    } else {
2033                        format!(
2034                            "Output is {} long—to avoid unexpected token usage, \
2035                                only 16 KB was sent back to the model.",
2036                            format_file_size(output.original_content_len as u64, true),
2037                        )
2038                    }
2039                } else {
2040                    "Output was truncated".to_string()
2041                };
2042
2043                header.child(
2044                    h_flex()
2045                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2046                        .gap_1()
2047                        .child(
2048                            Icon::new(IconName::Info)
2049                                .size(IconSize::XSmall)
2050                                .color(Color::Ignored),
2051                        )
2052                        .child(
2053                            Label::new("Truncated")
2054                                .color(Color::Muted)
2055                                .size(LabelSize::XSmall),
2056                        )
2057                        .tooltip(Tooltip::text(tooltip)),
2058                )
2059            })
2060            .when(time_elapsed > Duration::from_secs(10), |header| {
2061                header.child(
2062                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2063                        .buffer_font(cx)
2064                        .color(Color::Muted)
2065                        .size(LabelSize::XSmall),
2066                )
2067            })
2068            .child(
2069                Disclosure::new(
2070                    SharedString::from(format!(
2071                        "terminal-tool-disclosure-{}",
2072                        terminal.entity_id()
2073                    )),
2074                    self.terminal_expanded,
2075                )
2076                .opened_icon(IconName::ChevronUp)
2077                .closed_icon(IconName::ChevronDown)
2078                .on_click(cx.listener(move |this, _event, _window, _cx| {
2079                    this.terminal_expanded = !this.terminal_expanded;
2080                })),
2081            );
2082
2083        let terminal_view = self
2084            .entry_view_state
2085            .read(cx)
2086            .entry(entry_ix)
2087            .and_then(|entry| entry.terminal(terminal));
2088        let show_output = self.terminal_expanded && terminal_view.is_some();
2089
2090        v_flex()
2091            .mb_2()
2092            .border_1()
2093            .when(tool_failed || command_failed, |card| card.border_dashed())
2094            .border_color(border_color)
2095            .rounded_lg()
2096            .overflow_hidden()
2097            .child(
2098                v_flex()
2099                    .py_1p5()
2100                    .pl_2()
2101                    .pr_1p5()
2102                    .gap_0p5()
2103                    .bg(header_bg)
2104                    .text_xs()
2105                    .child(header)
2106                    .child(
2107                        MarkdownElement::new(
2108                            command.clone(),
2109                            terminal_command_markdown_style(window, cx),
2110                        )
2111                        .code_block_renderer(
2112                            markdown::CodeBlockRenderer::Default {
2113                                copy_button: false,
2114                                copy_button_on_hover: true,
2115                                border: false,
2116                            },
2117                        ),
2118                    ),
2119            )
2120            .when(show_output, |this| {
2121                this.child(
2122                    div()
2123                        .pt_2()
2124                        .border_t_1()
2125                        .when(tool_failed || command_failed, |card| card.border_dashed())
2126                        .border_color(border_color)
2127                        .bg(cx.theme().colors().editor_background)
2128                        .rounded_b_md()
2129                        .text_ui_sm(cx)
2130                        .children(terminal_view.clone()),
2131                )
2132            })
2133            .into_any()
2134    }
2135
2136    fn render_agent_logo(&self) -> AnyElement {
2137        Icon::new(self.agent.logo())
2138            .color(Color::Muted)
2139            .size(IconSize::XLarge)
2140            .into_any_element()
2141    }
2142
2143    fn render_error_agent_logo(&self) -> AnyElement {
2144        let logo = Icon::new(self.agent.logo())
2145            .color(Color::Muted)
2146            .size(IconSize::XLarge)
2147            .into_any_element();
2148
2149        h_flex()
2150            .relative()
2151            .justify_center()
2152            .child(div().opacity(0.3).child(logo))
2153            .child(
2154                h_flex()
2155                    .absolute()
2156                    .right_1()
2157                    .bottom_0()
2158                    .child(Icon::new(IconName::XCircleFilled).color(Color::Error)),
2159            )
2160            .into_any_element()
2161    }
2162
2163    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2164        let project_context = self
2165            .as_native_thread(cx)?
2166            .read(cx)
2167            .project_context()
2168            .read(cx);
2169
2170        let user_rules_text = if project_context.user_rules.is_empty() {
2171            None
2172        } else if project_context.user_rules.len() == 1 {
2173            let user_rules = &project_context.user_rules[0];
2174
2175            match user_rules.title.as_ref() {
2176                Some(title) => Some(format!("Using \"{title}\" user rule")),
2177                None => Some("Using user rule".into()),
2178            }
2179        } else {
2180            Some(format!(
2181                "Using {} user rules",
2182                project_context.user_rules.len()
2183            ))
2184        };
2185
2186        let first_user_rules_id = project_context
2187            .user_rules
2188            .first()
2189            .map(|user_rules| user_rules.uuid.0);
2190
2191        let rules_files = project_context
2192            .worktrees
2193            .iter()
2194            .filter_map(|worktree| worktree.rules_file.as_ref())
2195            .collect::<Vec<_>>();
2196
2197        let rules_file_text = match rules_files.as_slice() {
2198            &[] => None,
2199            &[rules_file] => Some(format!(
2200                "Using project {:?} file",
2201                rules_file.path_in_worktree
2202            )),
2203            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2204        };
2205
2206        if user_rules_text.is_none() && rules_file_text.is_none() {
2207            return None;
2208        }
2209
2210        Some(
2211            v_flex()
2212                .px_2p5()
2213                .gap_1()
2214                .when_some(user_rules_text, |parent, user_rules_text| {
2215                    parent.child(
2216                        h_flex()
2217                            .group("user-rules")
2218                            .id("user-rules")
2219                            .w_full()
2220                            .child(
2221                                Icon::new(IconName::Reader)
2222                                    .size(IconSize::XSmall)
2223                                    .color(Color::Disabled),
2224                            )
2225                            .child(
2226                                Label::new(user_rules_text)
2227                                    .size(LabelSize::XSmall)
2228                                    .color(Color::Muted)
2229                                    .truncate()
2230                                    .buffer_font(cx)
2231                                    .ml_1p5()
2232                                    .mr_0p5(),
2233                            )
2234                            .child(
2235                                IconButton::new("open-prompt-library", IconName::ArrowUpRight)
2236                                    .shape(ui::IconButtonShape::Square)
2237                                    .icon_size(IconSize::XSmall)
2238                                    .icon_color(Color::Ignored)
2239                                    .visible_on_hover("user-rules")
2240                                    // TODO: Figure out a way to pass focus handle here so we can display the `OpenRulesLibrary`  keybinding
2241                                    .tooltip(Tooltip::text("View User Rules")),
2242                            )
2243                            .on_click(move |_event, window, cx| {
2244                                window.dispatch_action(
2245                                    Box::new(OpenRulesLibrary {
2246                                        prompt_to_select: first_user_rules_id,
2247                                    }),
2248                                    cx,
2249                                )
2250                            }),
2251                    )
2252                })
2253                .when_some(rules_file_text, |parent, rules_file_text| {
2254                    parent.child(
2255                        h_flex()
2256                            .group("project-rules")
2257                            .id("project-rules")
2258                            .w_full()
2259                            .child(
2260                                Icon::new(IconName::Reader)
2261                                    .size(IconSize::XSmall)
2262                                    .color(Color::Disabled),
2263                            )
2264                            .child(
2265                                Label::new(rules_file_text)
2266                                    .size(LabelSize::XSmall)
2267                                    .color(Color::Muted)
2268                                    .buffer_font(cx)
2269                                    .ml_1p5()
2270                                    .mr_0p5(),
2271                            )
2272                            .child(
2273                                IconButton::new("open-rule", IconName::ArrowUpRight)
2274                                    .shape(ui::IconButtonShape::Square)
2275                                    .icon_size(IconSize::XSmall)
2276                                    .icon_color(Color::Ignored)
2277                                    .visible_on_hover("project-rules")
2278                                    .tooltip(Tooltip::text("View Project Rules")),
2279                            )
2280                            .on_click(cx.listener(Self::handle_open_rules)),
2281                    )
2282                })
2283                .into_any(),
2284        )
2285    }
2286
2287    fn render_empty_state(&self, cx: &App) -> AnyElement {
2288        let loading = matches!(&self.thread_state, ThreadState::Loading { .. });
2289
2290        v_flex()
2291            .size_full()
2292            .items_center()
2293            .justify_center()
2294            .child(if loading {
2295                h_flex()
2296                    .justify_center()
2297                    .child(self.render_agent_logo())
2298                    .with_animation(
2299                        "pulsating_icon",
2300                        Animation::new(Duration::from_secs(2))
2301                            .repeat()
2302                            .with_easing(pulsating_between(0.4, 1.0)),
2303                        |icon, delta| icon.opacity(delta),
2304                    )
2305                    .into_any()
2306            } else {
2307                self.render_agent_logo().into_any_element()
2308            })
2309            .child(h_flex().mt_4().mb_1().justify_center().child(if loading {
2310                div()
2311                    .child(LoadingLabel::new("").size(LabelSize::Large))
2312                    .into_any_element()
2313            } else {
2314                Headline::new(self.agent.empty_state_headline())
2315                    .size(HeadlineSize::Medium)
2316                    .into_any_element()
2317            }))
2318            .child(
2319                div()
2320                    .max_w_1_2()
2321                    .text_sm()
2322                    .text_center()
2323                    .map(|this| {
2324                        if loading {
2325                            this.invisible()
2326                        } else {
2327                            this.text_color(cx.theme().colors().text_muted)
2328                        }
2329                    })
2330                    .child(self.agent.empty_state_message()),
2331            )
2332            .into_any()
2333    }
2334
2335    fn render_auth_required_state(
2336        &self,
2337        connection: &Rc<dyn AgentConnection>,
2338        description: Option<&Entity<Markdown>>,
2339        configuration_view: Option<&AnyView>,
2340        window: &mut Window,
2341        cx: &Context<Self>,
2342    ) -> Div {
2343        v_flex()
2344            .p_2()
2345            .gap_2()
2346            .flex_1()
2347            .items_center()
2348            .justify_center()
2349            .child(
2350                v_flex()
2351                    .items_center()
2352                    .justify_center()
2353                    .child(self.render_error_agent_logo())
2354                    .child(h_flex().mt_4().mb_1().justify_center().child(
2355                        Headline::new(self.agent.empty_state_headline()).size(HeadlineSize::Medium),
2356                    ))
2357                    .into_any(),
2358            )
2359            .children(description.map(|desc| {
2360                div().text_ui(cx).text_center().child(
2361                    self.render_markdown(desc.clone(), default_markdown_style(false, window, cx)),
2362                )
2363            }))
2364            .children(
2365                configuration_view
2366                    .cloned()
2367                    .map(|view| div().px_4().w_full().max_w_128().child(view)),
2368            )
2369            .child(h_flex().mt_1p5().justify_center().children(
2370                connection.auth_methods().iter().map(|method| {
2371                    Button::new(SharedString::from(method.id.0.clone()), method.name.clone())
2372                        .on_click({
2373                            let method_id = method.id.clone();
2374                            cx.listener(move |this, _, window, cx| {
2375                                this.authenticate(method_id.clone(), window, cx)
2376                            })
2377                        })
2378                }),
2379            ))
2380    }
2381
2382    fn render_load_error(&self, e: &LoadError, cx: &Context<Self>) -> AnyElement {
2383        let mut container = v_flex()
2384            .items_center()
2385            .justify_center()
2386            .child(self.render_error_agent_logo())
2387            .child(
2388                v_flex()
2389                    .mt_4()
2390                    .mb_2()
2391                    .gap_0p5()
2392                    .text_center()
2393                    .items_center()
2394                    .child(Headline::new("Failed to launch").size(HeadlineSize::Medium))
2395                    .child(
2396                        Label::new(e.to_string())
2397                            .size(LabelSize::Small)
2398                            .color(Color::Muted),
2399                    ),
2400            );
2401
2402        if let LoadError::Unsupported {
2403            upgrade_message,
2404            upgrade_command,
2405            ..
2406        } = &e
2407        {
2408            let upgrade_message = upgrade_message.clone();
2409            let upgrade_command = upgrade_command.clone();
2410            container = container.child(
2411                Button::new("upgrade", upgrade_message)
2412                    .tooltip(Tooltip::text(upgrade_command.clone()))
2413                    .on_click(cx.listener(move |this, _, window, cx| {
2414                        let task = this
2415                            .workspace
2416                            .update(cx, |workspace, cx| {
2417                                let project = workspace.project().read(cx);
2418                                let cwd = project.first_project_directory(cx);
2419                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2420                                let spawn_in_terminal = task::SpawnInTerminal {
2421                                    id: task::TaskId("upgrade".to_string()),
2422                                    full_label: upgrade_command.clone(),
2423                                    label: upgrade_command.clone(),
2424                                    command: Some(upgrade_command.clone()),
2425                                    args: Vec::new(),
2426                                    command_label: upgrade_command.clone(),
2427                                    cwd,
2428                                    env: Default::default(),
2429                                    use_new_terminal: true,
2430                                    allow_concurrent_runs: true,
2431                                    reveal: Default::default(),
2432                                    reveal_target: Default::default(),
2433                                    hide: Default::default(),
2434                                    shell,
2435                                    show_summary: true,
2436                                    show_command: true,
2437                                    show_rerun: false,
2438                                };
2439                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2440                            })
2441                            .ok();
2442                        let Some(task) = task else { return };
2443                        cx.spawn_in(window, async move |this, cx| {
2444                            if let Some(Ok(_)) = task.await {
2445                                this.update_in(cx, |this, window, cx| {
2446                                    this.reset(window, cx);
2447                                })
2448                                .ok();
2449                            }
2450                        })
2451                        .detach()
2452                    })),
2453            );
2454        } else if let LoadError::NotInstalled {
2455            install_message,
2456            install_command,
2457            ..
2458        } = e
2459        {
2460            let install_message = install_message.clone();
2461            let install_command = install_command.clone();
2462            container = container.child(
2463                Button::new("install", install_message)
2464                    .tooltip(Tooltip::text(install_command.clone()))
2465                    .on_click(cx.listener(move |this, _, window, cx| {
2466                        let task = this
2467                            .workspace
2468                            .update(cx, |workspace, cx| {
2469                                let project = workspace.project().read(cx);
2470                                let cwd = project.first_project_directory(cx);
2471                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2472                                let spawn_in_terminal = task::SpawnInTerminal {
2473                                    id: task::TaskId("install".to_string()),
2474                                    full_label: install_command.clone(),
2475                                    label: install_command.clone(),
2476                                    command: Some(install_command.clone()),
2477                                    args: Vec::new(),
2478                                    command_label: install_command.clone(),
2479                                    cwd,
2480                                    env: Default::default(),
2481                                    use_new_terminal: true,
2482                                    allow_concurrent_runs: true,
2483                                    reveal: Default::default(),
2484                                    reveal_target: Default::default(),
2485                                    hide: Default::default(),
2486                                    shell,
2487                                    show_summary: true,
2488                                    show_command: true,
2489                                    show_rerun: false,
2490                                };
2491                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2492                            })
2493                            .ok();
2494                        let Some(task) = task else { return };
2495                        cx.spawn_in(window, async move |this, cx| {
2496                            if let Some(Ok(_)) = task.await {
2497                                this.update_in(cx, |this, window, cx| {
2498                                    this.reset(window, cx);
2499                                })
2500                                .ok();
2501                            }
2502                        })
2503                        .detach()
2504                    })),
2505            );
2506        }
2507
2508        container.into_any()
2509    }
2510
2511    fn render_activity_bar(
2512        &self,
2513        thread_entity: &Entity<AcpThread>,
2514        window: &mut Window,
2515        cx: &Context<Self>,
2516    ) -> Option<AnyElement> {
2517        let thread = thread_entity.read(cx);
2518        let action_log = thread.action_log();
2519        let changed_buffers = action_log.read(cx).changed_buffers(cx);
2520        let plan = thread.plan();
2521
2522        if changed_buffers.is_empty() && plan.is_empty() {
2523            return None;
2524        }
2525
2526        let editor_bg_color = cx.theme().colors().editor_background;
2527        let active_color = cx.theme().colors().element_selected;
2528        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
2529
2530        let pending_edits = thread.has_pending_edit_tool_calls();
2531
2532        v_flex()
2533            .mt_1()
2534            .mx_2()
2535            .bg(bg_edit_files_disclosure)
2536            .border_1()
2537            .border_b_0()
2538            .border_color(cx.theme().colors().border)
2539            .rounded_t_md()
2540            .shadow(vec![gpui::BoxShadow {
2541                color: gpui::black().opacity(0.15),
2542                offset: point(px(1.), px(-1.)),
2543                blur_radius: px(3.),
2544                spread_radius: px(0.),
2545            }])
2546            .when(!plan.is_empty(), |this| {
2547                this.child(self.render_plan_summary(plan, window, cx))
2548                    .when(self.plan_expanded, |parent| {
2549                        parent.child(self.render_plan_entries(plan, window, cx))
2550                    })
2551            })
2552            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
2553                this.child(Divider::horizontal().color(DividerColor::Border))
2554            })
2555            .when(!changed_buffers.is_empty(), |this| {
2556                this.child(self.render_edits_summary(
2557                    &changed_buffers,
2558                    self.edits_expanded,
2559                    pending_edits,
2560                    window,
2561                    cx,
2562                ))
2563                .when(self.edits_expanded, |parent| {
2564                    parent.child(self.render_edited_files(
2565                        action_log,
2566                        &changed_buffers,
2567                        pending_edits,
2568                        cx,
2569                    ))
2570                })
2571            })
2572            .into_any()
2573            .into()
2574    }
2575
2576    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2577        let stats = plan.stats();
2578
2579        let title = if let Some(entry) = stats.in_progress_entry
2580            && !self.plan_expanded
2581        {
2582            h_flex()
2583                .w_full()
2584                .cursor_default()
2585                .gap_1()
2586                .text_xs()
2587                .text_color(cx.theme().colors().text_muted)
2588                .justify_between()
2589                .child(
2590                    h_flex()
2591                        .gap_1()
2592                        .child(
2593                            Label::new("Current:")
2594                                .size(LabelSize::Small)
2595                                .color(Color::Muted),
2596                        )
2597                        .child(MarkdownElement::new(
2598                            entry.content.clone(),
2599                            plan_label_markdown_style(&entry.status, window, cx),
2600                        )),
2601                )
2602                .when(stats.pending > 0, |this| {
2603                    this.child(
2604                        Label::new(format!("{} left", stats.pending))
2605                            .size(LabelSize::Small)
2606                            .color(Color::Muted)
2607                            .mr_1(),
2608                    )
2609                })
2610        } else {
2611            let status_label = if stats.pending == 0 {
2612                "All Done".to_string()
2613            } else if stats.completed == 0 {
2614                format!("{} Tasks", plan.entries.len())
2615            } else {
2616                format!("{}/{}", stats.completed, plan.entries.len())
2617            };
2618
2619            h_flex()
2620                .w_full()
2621                .gap_1()
2622                .justify_between()
2623                .child(
2624                    Label::new("Plan")
2625                        .size(LabelSize::Small)
2626                        .color(Color::Muted),
2627                )
2628                .child(
2629                    Label::new(status_label)
2630                        .size(LabelSize::Small)
2631                        .color(Color::Muted)
2632                        .mr_1(),
2633                )
2634        };
2635
2636        h_flex()
2637            .p_1()
2638            .justify_between()
2639            .when(self.plan_expanded, |this| {
2640                this.border_b_1().border_color(cx.theme().colors().border)
2641            })
2642            .child(
2643                h_flex()
2644                    .id("plan_summary")
2645                    .w_full()
2646                    .gap_1()
2647                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
2648                    .child(title)
2649                    .on_click(cx.listener(|this, _, _, cx| {
2650                        this.plan_expanded = !this.plan_expanded;
2651                        cx.notify();
2652                    })),
2653            )
2654    }
2655
2656    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2657        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
2658            let element = h_flex()
2659                .py_1()
2660                .px_2()
2661                .gap_2()
2662                .justify_between()
2663                .bg(cx.theme().colors().editor_background)
2664                .when(index < plan.entries.len() - 1, |parent| {
2665                    parent.border_color(cx.theme().colors().border).border_b_1()
2666                })
2667                .child(
2668                    h_flex()
2669                        .id(("plan_entry", index))
2670                        .gap_1p5()
2671                        .max_w_full()
2672                        .overflow_x_scroll()
2673                        .text_xs()
2674                        .text_color(cx.theme().colors().text_muted)
2675                        .child(match entry.status {
2676                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
2677                                .size(IconSize::Small)
2678                                .color(Color::Muted)
2679                                .into_any_element(),
2680                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
2681                                .size(IconSize::Small)
2682                                .color(Color::Accent)
2683                                .with_animation(
2684                                    "running",
2685                                    Animation::new(Duration::from_secs(2)).repeat(),
2686                                    |icon, delta| {
2687                                        icon.transform(Transformation::rotate(percentage(delta)))
2688                                    },
2689                                )
2690                                .into_any_element(),
2691                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
2692                                .size(IconSize::Small)
2693                                .color(Color::Success)
2694                                .into_any_element(),
2695                        })
2696                        .child(MarkdownElement::new(
2697                            entry.content.clone(),
2698                            plan_label_markdown_style(&entry.status, window, cx),
2699                        )),
2700                );
2701
2702            Some(element)
2703        }))
2704    }
2705
2706    fn render_edits_summary(
2707        &self,
2708        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
2709        expanded: bool,
2710        pending_edits: bool,
2711        window: &mut Window,
2712        cx: &Context<Self>,
2713    ) -> Div {
2714        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
2715
2716        let focus_handle = self.focus_handle(cx);
2717
2718        h_flex()
2719            .p_1()
2720            .justify_between()
2721            .when(expanded, |this| {
2722                this.border_b_1().border_color(cx.theme().colors().border)
2723            })
2724            .child(
2725                h_flex()
2726                    .id("edits-container")
2727                    .w_full()
2728                    .gap_1()
2729                    .child(Disclosure::new("edits-disclosure", expanded))
2730                    .map(|this| {
2731                        if pending_edits {
2732                            this.child(
2733                                Label::new(format!(
2734                                    "Editing {} {}",
2735                                    changed_buffers.len(),
2736                                    if changed_buffers.len() == 1 {
2737                                        "file"
2738                                    } else {
2739                                        "files"
2740                                    }
2741                                ))
2742                                .color(Color::Muted)
2743                                .size(LabelSize::Small)
2744                                .with_animation(
2745                                    "edit-label",
2746                                    Animation::new(Duration::from_secs(2))
2747                                        .repeat()
2748                                        .with_easing(pulsating_between(0.3, 0.7)),
2749                                    |label, delta| label.alpha(delta),
2750                                ),
2751                            )
2752                        } else {
2753                            this.child(
2754                                Label::new("Edits")
2755                                    .size(LabelSize::Small)
2756                                    .color(Color::Muted),
2757                            )
2758                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
2759                            .child(
2760                                Label::new(format!(
2761                                    "{} {}",
2762                                    changed_buffers.len(),
2763                                    if changed_buffers.len() == 1 {
2764                                        "file"
2765                                    } else {
2766                                        "files"
2767                                    }
2768                                ))
2769                                .size(LabelSize::Small)
2770                                .color(Color::Muted),
2771                            )
2772                        }
2773                    })
2774                    .on_click(cx.listener(|this, _, _, cx| {
2775                        this.edits_expanded = !this.edits_expanded;
2776                        cx.notify();
2777                    })),
2778            )
2779            .child(
2780                h_flex()
2781                    .gap_1()
2782                    .child(
2783                        IconButton::new("review-changes", IconName::ListTodo)
2784                            .icon_size(IconSize::Small)
2785                            .tooltip({
2786                                let focus_handle = focus_handle.clone();
2787                                move |window, cx| {
2788                                    Tooltip::for_action_in(
2789                                        "Review Changes",
2790                                        &OpenAgentDiff,
2791                                        &focus_handle,
2792                                        window,
2793                                        cx,
2794                                    )
2795                                }
2796                            })
2797                            .on_click(cx.listener(|_, _, window, cx| {
2798                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
2799                            })),
2800                    )
2801                    .child(Divider::vertical().color(DividerColor::Border))
2802                    .child(
2803                        Button::new("reject-all-changes", "Reject All")
2804                            .label_size(LabelSize::Small)
2805                            .disabled(pending_edits)
2806                            .when(pending_edits, |this| {
2807                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
2808                            })
2809                            .key_binding(
2810                                KeyBinding::for_action_in(
2811                                    &RejectAll,
2812                                    &focus_handle.clone(),
2813                                    window,
2814                                    cx,
2815                                )
2816                                .map(|kb| kb.size(rems_from_px(10.))),
2817                            )
2818                            .on_click(cx.listener(move |this, _, window, cx| {
2819                                this.reject_all(&RejectAll, window, cx);
2820                            })),
2821                    )
2822                    .child(
2823                        Button::new("keep-all-changes", "Keep All")
2824                            .label_size(LabelSize::Small)
2825                            .disabled(pending_edits)
2826                            .when(pending_edits, |this| {
2827                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
2828                            })
2829                            .key_binding(
2830                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
2831                                    .map(|kb| kb.size(rems_from_px(10.))),
2832                            )
2833                            .on_click(cx.listener(move |this, _, window, cx| {
2834                                this.keep_all(&KeepAll, window, cx);
2835                            })),
2836                    ),
2837            )
2838    }
2839
2840    fn render_edited_files(
2841        &self,
2842        action_log: &Entity<ActionLog>,
2843        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
2844        pending_edits: bool,
2845        cx: &Context<Self>,
2846    ) -> Div {
2847        let editor_bg_color = cx.theme().colors().editor_background;
2848
2849        v_flex().children(changed_buffers.iter().enumerate().flat_map(
2850            |(index, (buffer, _diff))| {
2851                let file = buffer.read(cx).file()?;
2852                let path = file.path();
2853
2854                let file_path = path.parent().and_then(|parent| {
2855                    let parent_str = parent.to_string_lossy();
2856
2857                    if parent_str.is_empty() {
2858                        None
2859                    } else {
2860                        Some(
2861                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
2862                                .color(Color::Muted)
2863                                .size(LabelSize::XSmall)
2864                                .buffer_font(cx),
2865                        )
2866                    }
2867                });
2868
2869                let file_name = path.file_name().map(|name| {
2870                    Label::new(name.to_string_lossy().to_string())
2871                        .size(LabelSize::XSmall)
2872                        .buffer_font(cx)
2873                });
2874
2875                let file_icon = FileIcons::get_icon(path, cx)
2876                    .map(Icon::from_path)
2877                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
2878                    .unwrap_or_else(|| {
2879                        Icon::new(IconName::File)
2880                            .color(Color::Muted)
2881                            .size(IconSize::Small)
2882                    });
2883
2884                let overlay_gradient = linear_gradient(
2885                    90.,
2886                    linear_color_stop(editor_bg_color, 1.),
2887                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
2888                );
2889
2890                let element = h_flex()
2891                    .group("edited-code")
2892                    .id(("file-container", index))
2893                    .relative()
2894                    .py_1()
2895                    .pl_2()
2896                    .pr_1()
2897                    .gap_2()
2898                    .justify_between()
2899                    .bg(editor_bg_color)
2900                    .when(index < changed_buffers.len() - 1, |parent| {
2901                        parent.border_color(cx.theme().colors().border).border_b_1()
2902                    })
2903                    .child(
2904                        h_flex()
2905                            .id(("file-name", index))
2906                            .pr_8()
2907                            .gap_1p5()
2908                            .max_w_full()
2909                            .overflow_x_scroll()
2910                            .child(file_icon)
2911                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
2912                            .on_click({
2913                                let buffer = buffer.clone();
2914                                cx.listener(move |this, _, window, cx| {
2915                                    this.open_edited_buffer(&buffer, window, cx);
2916                                })
2917                            }),
2918                    )
2919                    .child(
2920                        h_flex()
2921                            .gap_1()
2922                            .visible_on_hover("edited-code")
2923                            .child(
2924                                Button::new("review", "Review")
2925                                    .label_size(LabelSize::Small)
2926                                    .on_click({
2927                                        let buffer = buffer.clone();
2928                                        cx.listener(move |this, _, window, cx| {
2929                                            this.open_edited_buffer(&buffer, window, cx);
2930                                        })
2931                                    }),
2932                            )
2933                            .child(Divider::vertical().color(DividerColor::BorderVariant))
2934                            .child(
2935                                Button::new("reject-file", "Reject")
2936                                    .label_size(LabelSize::Small)
2937                                    .disabled(pending_edits)
2938                                    .on_click({
2939                                        let buffer = buffer.clone();
2940                                        let action_log = action_log.clone();
2941                                        move |_, _, cx| {
2942                                            action_log.update(cx, |action_log, cx| {
2943                                                action_log
2944                                                    .reject_edits_in_ranges(
2945                                                        buffer.clone(),
2946                                                        vec![Anchor::MIN..Anchor::MAX],
2947                                                        cx,
2948                                                    )
2949                                                    .detach_and_log_err(cx);
2950                                            })
2951                                        }
2952                                    }),
2953                            )
2954                            .child(
2955                                Button::new("keep-file", "Keep")
2956                                    .label_size(LabelSize::Small)
2957                                    .disabled(pending_edits)
2958                                    .on_click({
2959                                        let buffer = buffer.clone();
2960                                        let action_log = action_log.clone();
2961                                        move |_, _, cx| {
2962                                            action_log.update(cx, |action_log, cx| {
2963                                                action_log.keep_edits_in_range(
2964                                                    buffer.clone(),
2965                                                    Anchor::MIN..Anchor::MAX,
2966                                                    cx,
2967                                                );
2968                                            })
2969                                        }
2970                                    }),
2971                            ),
2972                    )
2973                    .child(
2974                        div()
2975                            .id("gradient-overlay")
2976                            .absolute()
2977                            .h_full()
2978                            .w_12()
2979                            .top_0()
2980                            .bottom_0()
2981                            .right(px(152.))
2982                            .bg(overlay_gradient),
2983                    );
2984
2985                Some(element)
2986            },
2987        ))
2988    }
2989
2990    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2991        let focus_handle = self.message_editor.focus_handle(cx);
2992        let editor_bg_color = cx.theme().colors().editor_background;
2993        let (expand_icon, expand_tooltip) = if self.editor_expanded {
2994            (IconName::Minimize, "Minimize Message Editor")
2995        } else {
2996            (IconName::Maximize, "Expand Message Editor")
2997        };
2998
2999        v_flex()
3000            .on_action(cx.listener(Self::expand_message_editor))
3001            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3002                if let Some(profile_selector) = this.profile_selector.as_ref() {
3003                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3004                }
3005            }))
3006            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3007                if let Some(model_selector) = this.model_selector.as_ref() {
3008                    model_selector
3009                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3010                }
3011            }))
3012            .p_2()
3013            .gap_2()
3014            .border_t_1()
3015            .border_color(cx.theme().colors().border)
3016            .bg(editor_bg_color)
3017            .when(self.editor_expanded, |this| {
3018                this.h(vh(0.8, window)).size_full().justify_between()
3019            })
3020            .child(
3021                v_flex()
3022                    .relative()
3023                    .size_full()
3024                    .pt_1()
3025                    .pr_2p5()
3026                    .child(self.message_editor.clone())
3027                    .child(
3028                        h_flex()
3029                            .absolute()
3030                            .top_0()
3031                            .right_0()
3032                            .opacity(0.5)
3033                            .hover(|this| this.opacity(1.0))
3034                            .child(
3035                                IconButton::new("toggle-height", expand_icon)
3036                                    .icon_size(IconSize::Small)
3037                                    .icon_color(Color::Muted)
3038                                    .tooltip({
3039                                        move |window, cx| {
3040                                            Tooltip::for_action_in(
3041                                                expand_tooltip,
3042                                                &ExpandMessageEditor,
3043                                                &focus_handle,
3044                                                window,
3045                                                cx,
3046                                            )
3047                                        }
3048                                    })
3049                                    .on_click(cx.listener(|_, _, window, cx| {
3050                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3051                                    })),
3052                            ),
3053                    ),
3054            )
3055            .child(
3056                h_flex()
3057                    .flex_none()
3058                    .flex_wrap()
3059                    .justify_between()
3060                    .child(
3061                        h_flex()
3062                            .child(self.render_follow_toggle(cx))
3063                            .children(self.render_burn_mode_toggle(cx)),
3064                    )
3065                    .child(
3066                        h_flex()
3067                            .gap_1()
3068                            .children(self.render_token_usage(cx))
3069                            .children(self.profile_selector.clone())
3070                            .children(self.model_selector.clone())
3071                            .child(self.render_send_button(cx)),
3072                    ),
3073            )
3074            .into_any()
3075    }
3076
3077    pub(crate) fn as_native_connection(
3078        &self,
3079        cx: &App,
3080    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3081        let acp_thread = self.thread()?.read(cx);
3082        acp_thread.connection().clone().downcast()
3083    }
3084
3085    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3086        let acp_thread = self.thread()?.read(cx);
3087        self.as_native_connection(cx)?
3088            .thread(acp_thread.session_id(), cx)
3089    }
3090
3091    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3092        self.as_native_thread(cx)
3093            .and_then(|thread| thread.read(cx).model())
3094            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3095    }
3096
3097    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3098        let thread = self.thread()?.read(cx);
3099        let usage = thread.token_usage()?;
3100        let is_generating = thread.status() != ThreadStatus::Idle;
3101
3102        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3103        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3104
3105        Some(
3106            h_flex()
3107                .flex_shrink_0()
3108                .gap_0p5()
3109                .mr_1p5()
3110                .child(
3111                    Label::new(used)
3112                        .size(LabelSize::Small)
3113                        .color(Color::Muted)
3114                        .map(|label| {
3115                            if is_generating {
3116                                label
3117                                    .with_animation(
3118                                        "used-tokens-label",
3119                                        Animation::new(Duration::from_secs(2))
3120                                            .repeat()
3121                                            .with_easing(pulsating_between(0.6, 1.)),
3122                                        |label, delta| label.alpha(delta),
3123                                    )
3124                                    .into_any()
3125                            } else {
3126                                label.into_any_element()
3127                            }
3128                        }),
3129                )
3130                .child(
3131                    Label::new("/")
3132                        .size(LabelSize::Small)
3133                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3134                )
3135                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3136        )
3137    }
3138
3139    fn toggle_burn_mode(
3140        &mut self,
3141        _: &ToggleBurnMode,
3142        _window: &mut Window,
3143        cx: &mut Context<Self>,
3144    ) {
3145        let Some(thread) = self.as_native_thread(cx) else {
3146            return;
3147        };
3148
3149        thread.update(cx, |thread, cx| {
3150            let current_mode = thread.completion_mode();
3151            thread.set_completion_mode(
3152                match current_mode {
3153                    CompletionMode::Burn => CompletionMode::Normal,
3154                    CompletionMode::Normal => CompletionMode::Burn,
3155                },
3156                cx,
3157            );
3158        });
3159    }
3160
3161    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3162        let Some(thread) = self.thread() else {
3163            return;
3164        };
3165        let action_log = thread.read(cx).action_log().clone();
3166        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3167    }
3168
3169    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3170        let Some(thread) = self.thread() else {
3171            return;
3172        };
3173        let action_log = thread.read(cx).action_log().clone();
3174        action_log
3175            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3176            .detach();
3177    }
3178
3179    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3180        let thread = self.as_native_thread(cx)?.read(cx);
3181
3182        if thread
3183            .model()
3184            .is_none_or(|model| !model.supports_burn_mode())
3185        {
3186            return None;
3187        }
3188
3189        let active_completion_mode = thread.completion_mode();
3190        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3191        let icon = if burn_mode_enabled {
3192            IconName::ZedBurnModeOn
3193        } else {
3194            IconName::ZedBurnMode
3195        };
3196
3197        Some(
3198            IconButton::new("burn-mode", icon)
3199                .icon_size(IconSize::Small)
3200                .icon_color(Color::Muted)
3201                .toggle_state(burn_mode_enabled)
3202                .selected_icon_color(Color::Error)
3203                .on_click(cx.listener(|this, _event, window, cx| {
3204                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3205                }))
3206                .tooltip(move |_window, cx| {
3207                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3208                        .into()
3209                })
3210                .into_any_element(),
3211        )
3212    }
3213
3214    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3215        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3216        let is_generating = self
3217            .thread()
3218            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3219
3220        if is_generating && is_editor_empty {
3221            IconButton::new("stop-generation", IconName::Stop)
3222                .icon_color(Color::Error)
3223                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3224                .tooltip(move |window, cx| {
3225                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3226                })
3227                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3228                .into_any_element()
3229        } else {
3230            let send_btn_tooltip = if is_editor_empty && !is_generating {
3231                "Type to Send"
3232            } else if is_generating {
3233                "Stop and Send Message"
3234            } else {
3235                "Send"
3236            };
3237
3238            IconButton::new("send-message", IconName::Send)
3239                .style(ButtonStyle::Filled)
3240                .map(|this| {
3241                    if is_editor_empty && !is_generating {
3242                        this.disabled(true).icon_color(Color::Muted)
3243                    } else {
3244                        this.icon_color(Color::Accent)
3245                    }
3246                })
3247                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3248                .on_click(cx.listener(|this, _, window, cx| {
3249                    this.send(window, cx);
3250                }))
3251                .into_any_element()
3252        }
3253    }
3254
3255    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3256        let following = self
3257            .workspace
3258            .read_with(cx, |workspace, _| {
3259                workspace.is_being_followed(CollaboratorId::Agent)
3260            })
3261            .unwrap_or(false);
3262
3263        IconButton::new("follow-agent", IconName::Crosshair)
3264            .icon_size(IconSize::Small)
3265            .icon_color(Color::Muted)
3266            .toggle_state(following)
3267            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3268            .tooltip(move |window, cx| {
3269                if following {
3270                    Tooltip::for_action("Stop Following Agent", &Follow, window, cx)
3271                } else {
3272                    Tooltip::with_meta(
3273                        "Follow Agent",
3274                        Some(&Follow),
3275                        "Track the agent's location as it reads and edits files.",
3276                        window,
3277                        cx,
3278                    )
3279                }
3280            })
3281            .on_click(cx.listener(move |this, _, window, cx| {
3282                this.workspace
3283                    .update(cx, |workspace, cx| {
3284                        if following {
3285                            workspace.unfollow(CollaboratorId::Agent, window, cx);
3286                        } else {
3287                            workspace.follow(CollaboratorId::Agent, window, cx);
3288                        }
3289                    })
3290                    .ok();
3291            }))
3292    }
3293
3294    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
3295        let workspace = self.workspace.clone();
3296        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
3297            Self::open_link(text, &workspace, window, cx);
3298        })
3299    }
3300
3301    fn open_link(
3302        url: SharedString,
3303        workspace: &WeakEntity<Workspace>,
3304        window: &mut Window,
3305        cx: &mut App,
3306    ) {
3307        let Some(workspace) = workspace.upgrade() else {
3308            cx.open_url(&url);
3309            return;
3310        };
3311
3312        if let Some(mention) = MentionUri::parse(&url).log_err() {
3313            workspace.update(cx, |workspace, cx| match mention {
3314                MentionUri::File { abs_path } => {
3315                    let project = workspace.project();
3316                    let Some(path) =
3317                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
3318                    else {
3319                        return;
3320                    };
3321
3322                    workspace
3323                        .open_path(path, None, true, window, cx)
3324                        .detach_and_log_err(cx);
3325                }
3326                MentionUri::Directory { abs_path } => {
3327                    let project = workspace.project();
3328                    let Some(entry) = project.update(cx, |project, cx| {
3329                        let path = project.find_project_path(abs_path, cx)?;
3330                        project.entry_for_path(&path, cx)
3331                    }) else {
3332                        return;
3333                    };
3334
3335                    project.update(cx, |_, cx| {
3336                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
3337                    });
3338                }
3339                MentionUri::Symbol {
3340                    path, line_range, ..
3341                }
3342                | MentionUri::Selection { path, line_range } => {
3343                    let project = workspace.project();
3344                    let Some((path, _)) = project.update(cx, |project, cx| {
3345                        let path = project.find_project_path(path, cx)?;
3346                        let entry = project.entry_for_path(&path, cx)?;
3347                        Some((path, entry))
3348                    }) else {
3349                        return;
3350                    };
3351
3352                    let item = workspace.open_path(path, None, true, window, cx);
3353                    window
3354                        .spawn(cx, async move |cx| {
3355                            let Some(editor) = item.await?.downcast::<Editor>() else {
3356                                return Ok(());
3357                            };
3358                            let range =
3359                                Point::new(line_range.start, 0)..Point::new(line_range.start, 0);
3360                            editor
3361                                .update_in(cx, |editor, window, cx| {
3362                                    editor.change_selections(
3363                                        SelectionEffects::scroll(Autoscroll::center()),
3364                                        window,
3365                                        cx,
3366                                        |s| s.select_ranges(vec![range]),
3367                                    );
3368                                })
3369                                .ok();
3370                            anyhow::Ok(())
3371                        })
3372                        .detach_and_log_err(cx);
3373                }
3374                MentionUri::Thread { id, name } => {
3375                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3376                        panel.update(cx, |panel, cx| {
3377                            panel.load_agent_thread(
3378                                DbThreadMetadata {
3379                                    id,
3380                                    title: name.into(),
3381                                    updated_at: Default::default(),
3382                                },
3383                                window,
3384                                cx,
3385                            )
3386                        });
3387                    }
3388                }
3389                MentionUri::TextThread { path, .. } => {
3390                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3391                        panel.update(cx, |panel, cx| {
3392                            panel
3393                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
3394                                .detach_and_log_err(cx);
3395                        });
3396                    }
3397                }
3398                MentionUri::Rule { id, .. } => {
3399                    let PromptId::User { uuid } = id else {
3400                        return;
3401                    };
3402                    window.dispatch_action(
3403                        Box::new(OpenRulesLibrary {
3404                            prompt_to_select: Some(uuid.0),
3405                        }),
3406                        cx,
3407                    )
3408                }
3409                MentionUri::Fetch { url } => {
3410                    cx.open_url(url.as_str());
3411                }
3412            })
3413        } else {
3414            cx.open_url(&url);
3415        }
3416    }
3417
3418    fn open_tool_call_location(
3419        &self,
3420        entry_ix: usize,
3421        location_ix: usize,
3422        window: &mut Window,
3423        cx: &mut Context<Self>,
3424    ) -> Option<()> {
3425        let (tool_call_location, agent_location) = self
3426            .thread()?
3427            .read(cx)
3428            .entries()
3429            .get(entry_ix)?
3430            .location(location_ix)?;
3431
3432        let project_path = self
3433            .project
3434            .read(cx)
3435            .find_project_path(&tool_call_location.path, cx)?;
3436
3437        let open_task = self
3438            .workspace
3439            .update(cx, |workspace, cx| {
3440                workspace.open_path(project_path, None, true, window, cx)
3441            })
3442            .log_err()?;
3443        window
3444            .spawn(cx, async move |cx| {
3445                let item = open_task.await?;
3446
3447                let Some(active_editor) = item.downcast::<Editor>() else {
3448                    return anyhow::Ok(());
3449                };
3450
3451                active_editor.update_in(cx, |editor, window, cx| {
3452                    let multibuffer = editor.buffer().read(cx);
3453                    let buffer = multibuffer.as_singleton();
3454                    if agent_location.buffer.upgrade() == buffer {
3455                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
3456                        let anchor = editor::Anchor::in_buffer(
3457                            excerpt_id.unwrap(),
3458                            buffer.unwrap().read(cx).remote_id(),
3459                            agent_location.position,
3460                        );
3461                        editor.change_selections(Default::default(), window, cx, |selections| {
3462                            selections.select_anchor_ranges([anchor..anchor]);
3463                        })
3464                    } else {
3465                        let row = tool_call_location.line.unwrap_or_default();
3466                        editor.change_selections(Default::default(), window, cx, |selections| {
3467                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
3468                        })
3469                    }
3470                })?;
3471
3472                anyhow::Ok(())
3473            })
3474            .detach_and_log_err(cx);
3475
3476        None
3477    }
3478
3479    pub fn open_thread_as_markdown(
3480        &self,
3481        workspace: Entity<Workspace>,
3482        window: &mut Window,
3483        cx: &mut App,
3484    ) -> Task<anyhow::Result<()>> {
3485        let markdown_language_task = workspace
3486            .read(cx)
3487            .app_state()
3488            .languages
3489            .language_for_name("Markdown");
3490
3491        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
3492            let thread = thread.read(cx);
3493            (thread.title().to_string(), thread.to_markdown(cx))
3494        } else {
3495            return Task::ready(Ok(()));
3496        };
3497
3498        window.spawn(cx, async move |cx| {
3499            let markdown_language = markdown_language_task.await?;
3500
3501            workspace.update_in(cx, |workspace, window, cx| {
3502                let project = workspace.project().clone();
3503
3504                if !project.read(cx).is_local() {
3505                    bail!("failed to open active thread as markdown in remote project");
3506                }
3507
3508                let buffer = project.update(cx, |project, cx| {
3509                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
3510                });
3511                let buffer = cx.new(|cx| {
3512                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
3513                });
3514
3515                workspace.add_item_to_active_pane(
3516                    Box::new(cx.new(|cx| {
3517                        let mut editor =
3518                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
3519                        editor.set_breadcrumb_header(thread_summary);
3520                        editor
3521                    })),
3522                    None,
3523                    true,
3524                    window,
3525                    cx,
3526                );
3527
3528                anyhow::Ok(())
3529            })??;
3530            anyhow::Ok(())
3531        })
3532    }
3533
3534    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
3535        self.list_state.scroll_to(ListOffset::default());
3536        cx.notify();
3537    }
3538
3539    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
3540        if let Some(thread) = self.thread() {
3541            let entry_count = thread.read(cx).entries().len();
3542            self.list_state.reset(entry_count);
3543            cx.notify();
3544        }
3545    }
3546
3547    fn notify_with_sound(
3548        &mut self,
3549        caption: impl Into<SharedString>,
3550        icon: IconName,
3551        window: &mut Window,
3552        cx: &mut Context<Self>,
3553    ) {
3554        self.play_notification_sound(window, cx);
3555        self.show_notification(caption, icon, window, cx);
3556    }
3557
3558    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
3559        let settings = AgentSettings::get_global(cx);
3560        if settings.play_sound_when_agent_done && !window.is_window_active() {
3561            Audio::play_sound(Sound::AgentDone, cx);
3562        }
3563    }
3564
3565    fn show_notification(
3566        &mut self,
3567        caption: impl Into<SharedString>,
3568        icon: IconName,
3569        window: &mut Window,
3570        cx: &mut Context<Self>,
3571    ) {
3572        if window.is_window_active() || !self.notifications.is_empty() {
3573            return;
3574        }
3575
3576        let title = self.title(cx);
3577
3578        match AgentSettings::get_global(cx).notify_when_agent_waiting {
3579            NotifyWhenAgentWaiting::PrimaryScreen => {
3580                if let Some(primary) = cx.primary_display() {
3581                    self.pop_up(icon, caption.into(), title, window, primary, cx);
3582                }
3583            }
3584            NotifyWhenAgentWaiting::AllScreens => {
3585                let caption = caption.into();
3586                for screen in cx.displays() {
3587                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
3588                }
3589            }
3590            NotifyWhenAgentWaiting::Never => {
3591                // Don't show anything
3592            }
3593        }
3594    }
3595
3596    fn pop_up(
3597        &mut self,
3598        icon: IconName,
3599        caption: SharedString,
3600        title: SharedString,
3601        window: &mut Window,
3602        screen: Rc<dyn PlatformDisplay>,
3603        cx: &mut Context<Self>,
3604    ) {
3605        let options = AgentNotification::window_options(screen, cx);
3606
3607        let project_name = self.workspace.upgrade().and_then(|workspace| {
3608            workspace
3609                .read(cx)
3610                .project()
3611                .read(cx)
3612                .visible_worktrees(cx)
3613                .next()
3614                .map(|worktree| worktree.read(cx).root_name().to_string())
3615        });
3616
3617        if let Some(screen_window) = cx
3618            .open_window(options, |_, cx| {
3619                cx.new(|_| {
3620                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
3621                })
3622            })
3623            .log_err()
3624            && let Some(pop_up) = screen_window.entity(cx).log_err()
3625        {
3626            self.notification_subscriptions
3627                .entry(screen_window)
3628                .or_insert_with(Vec::new)
3629                .push(cx.subscribe_in(&pop_up, window, {
3630                    |this, _, event, window, cx| match event {
3631                        AgentNotificationEvent::Accepted => {
3632                            let handle = window.window_handle();
3633                            cx.activate(true);
3634
3635                            let workspace_handle = this.workspace.clone();
3636
3637                            // If there are multiple Zed windows, activate the correct one.
3638                            cx.defer(move |cx| {
3639                                handle
3640                                    .update(cx, |_view, window, _cx| {
3641                                        window.activate_window();
3642
3643                                        if let Some(workspace) = workspace_handle.upgrade() {
3644                                            workspace.update(_cx, |workspace, cx| {
3645                                                workspace.focus_panel::<AgentPanel>(window, cx);
3646                                            });
3647                                        }
3648                                    })
3649                                    .log_err();
3650                            });
3651
3652                            this.dismiss_notifications(cx);
3653                        }
3654                        AgentNotificationEvent::Dismissed => {
3655                            this.dismiss_notifications(cx);
3656                        }
3657                    }
3658                }));
3659
3660            self.notifications.push(screen_window);
3661
3662            // If the user manually refocuses the original window, dismiss the popup.
3663            self.notification_subscriptions
3664                .entry(screen_window)
3665                .or_insert_with(Vec::new)
3666                .push({
3667                    let pop_up_weak = pop_up.downgrade();
3668
3669                    cx.observe_window_activation(window, move |_, window, cx| {
3670                        if window.is_window_active()
3671                            && let Some(pop_up) = pop_up_weak.upgrade()
3672                        {
3673                            pop_up.update(cx, |_, cx| {
3674                                cx.emit(AgentNotificationEvent::Dismissed);
3675                            });
3676                        }
3677                    })
3678                });
3679        }
3680    }
3681
3682    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
3683        for window in self.notifications.drain(..) {
3684            window
3685                .update(cx, |_, window, _| {
3686                    window.remove_window();
3687                })
3688                .ok();
3689
3690            self.notification_subscriptions.remove(&window);
3691        }
3692    }
3693
3694    fn render_thread_controls(&self, cx: &Context<Self>) -> impl IntoElement {
3695        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
3696            .shape(ui::IconButtonShape::Square)
3697            .icon_size(IconSize::Small)
3698            .icon_color(Color::Ignored)
3699            .tooltip(Tooltip::text("Open Thread as Markdown"))
3700            .on_click(cx.listener(move |this, _, window, cx| {
3701                if let Some(workspace) = this.workspace.upgrade() {
3702                    this.open_thread_as_markdown(workspace, window, cx)
3703                        .detach_and_log_err(cx);
3704                }
3705            }));
3706
3707        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
3708            .shape(ui::IconButtonShape::Square)
3709            .icon_size(IconSize::Small)
3710            .icon_color(Color::Ignored)
3711            .tooltip(Tooltip::text("Scroll To Top"))
3712            .on_click(cx.listener(move |this, _, _, cx| {
3713                this.scroll_to_top(cx);
3714            }));
3715
3716        let mut container = h_flex()
3717            .id("thread-controls-container")
3718            .group("thread-controls-container")
3719            .w_full()
3720            .mr_1()
3721            .pb_2()
3722            .px(RESPONSE_PADDING_X)
3723            .opacity(0.4)
3724            .hover(|style| style.opacity(1.))
3725            .flex_wrap()
3726            .justify_end();
3727
3728        if AgentSettings::get_global(cx).enable_feedback {
3729            let feedback = self.thread_feedback.feedback;
3730            container = container.child(
3731                div().visible_on_hover("thread-controls-container").child(
3732                    Label::new(
3733                        match feedback {
3734                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
3735                            Some(ThreadFeedback::Negative) => "We appreciate your feedback and will use it to improve.",
3736                            None => "Rating the thread sends all of your current conversation to the Zed team.",
3737                        }
3738                    )
3739                    .color(Color::Muted)
3740                    .size(LabelSize::XSmall)
3741                    .truncate(),
3742                ),
3743            ).child(
3744                h_flex()
3745                    .child(
3746                        IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
3747                            .shape(ui::IconButtonShape::Square)
3748                            .icon_size(IconSize::Small)
3749                            .icon_color(match feedback {
3750                                Some(ThreadFeedback::Positive) => Color::Accent,
3751                                _ => Color::Ignored,
3752                            })
3753                            .tooltip(Tooltip::text("Helpful Response"))
3754                            .on_click(cx.listener(move |this, _, window, cx| {
3755                                this.handle_feedback_click(
3756                                    ThreadFeedback::Positive,
3757                                    window,
3758                                    cx,
3759                                );
3760                            })),
3761                    )
3762                    .child(
3763                        IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
3764                            .shape(ui::IconButtonShape::Square)
3765                            .icon_size(IconSize::Small)
3766                            .icon_color(match feedback {
3767                                Some(ThreadFeedback::Negative) => Color::Accent,
3768                                _ => Color::Ignored,
3769                            })
3770                            .tooltip(Tooltip::text("Not Helpful"))
3771                            .on_click(cx.listener(move |this, _, window, cx| {
3772                                this.handle_feedback_click(
3773                                    ThreadFeedback::Negative,
3774                                    window,
3775                                    cx,
3776                                );
3777                            })),
3778                    )
3779            )
3780        }
3781
3782        container.child(open_as_markdown).child(scroll_to_top)
3783    }
3784
3785    fn render_feedback_feedback_editor(
3786        editor: Entity<Editor>,
3787        window: &mut Window,
3788        cx: &Context<Self>,
3789    ) -> Div {
3790        let focus_handle = editor.focus_handle(cx);
3791        v_flex()
3792            .key_context("AgentFeedbackMessageEditor")
3793            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
3794                this.thread_feedback.dismiss_comments();
3795                cx.notify();
3796            }))
3797            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
3798                this.submit_feedback_message(cx);
3799            }))
3800            .mb_2()
3801            .mx_4()
3802            .p_2()
3803            .rounded_md()
3804            .border_1()
3805            .border_color(cx.theme().colors().border)
3806            .bg(cx.theme().colors().editor_background)
3807            .child(editor)
3808            .child(
3809                h_flex()
3810                    .gap_1()
3811                    .justify_end()
3812                    .child(
3813                        Button::new("dismiss-feedback-message", "Cancel")
3814                            .label_size(LabelSize::Small)
3815                            .key_binding(
3816                                KeyBinding::for_action_in(&menu::Cancel, &focus_handle, window, cx)
3817                                    .map(|kb| kb.size(rems_from_px(10.))),
3818                            )
3819                            .on_click(cx.listener(move |this, _, _window, cx| {
3820                                this.thread_feedback.dismiss_comments();
3821                                cx.notify();
3822                            })),
3823                    )
3824                    .child(
3825                        Button::new("submit-feedback-message", "Share Feedback")
3826                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3827                            .label_size(LabelSize::Small)
3828                            .key_binding(
3829                                KeyBinding::for_action_in(
3830                                    &menu::Confirm,
3831                                    &focus_handle,
3832                                    window,
3833                                    cx,
3834                                )
3835                                .map(|kb| kb.size(rems_from_px(10.))),
3836                            )
3837                            .on_click(cx.listener(move |this, _, _window, cx| {
3838                                this.submit_feedback_message(cx);
3839                            })),
3840                    ),
3841            )
3842    }
3843
3844    fn handle_feedback_click(
3845        &mut self,
3846        feedback: ThreadFeedback,
3847        window: &mut Window,
3848        cx: &mut Context<Self>,
3849    ) {
3850        let Some(thread) = self.thread().cloned() else {
3851            return;
3852        };
3853
3854        self.thread_feedback.submit(thread, feedback, window, cx);
3855        cx.notify();
3856    }
3857
3858    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
3859        let Some(thread) = self.thread().cloned() else {
3860            return;
3861        };
3862
3863        self.thread_feedback.submit_comments(thread, cx);
3864        cx.notify();
3865    }
3866
3867    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
3868        div()
3869            .id("acp-thread-scrollbar")
3870            .occlude()
3871            .on_mouse_move(cx.listener(|_, _, _, cx| {
3872                cx.notify();
3873                cx.stop_propagation()
3874            }))
3875            .on_hover(|_, _, cx| {
3876                cx.stop_propagation();
3877            })
3878            .on_any_mouse_down(|_, _, cx| {
3879                cx.stop_propagation();
3880            })
3881            .on_mouse_up(
3882                MouseButton::Left,
3883                cx.listener(|_, _, _, cx| {
3884                    cx.stop_propagation();
3885                }),
3886            )
3887            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3888                cx.notify();
3889            }))
3890            .h_full()
3891            .absolute()
3892            .right_1()
3893            .top_1()
3894            .bottom_0()
3895            .w(px(12.))
3896            .cursor_default()
3897            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
3898    }
3899
3900    fn render_token_limit_callout(
3901        &self,
3902        line_height: Pixels,
3903        cx: &mut Context<Self>,
3904    ) -> Option<Callout> {
3905        let token_usage = self.thread()?.read(cx).token_usage()?;
3906        let ratio = token_usage.ratio();
3907
3908        let (severity, title) = match ratio {
3909            acp_thread::TokenUsageRatio::Normal => return None,
3910            acp_thread::TokenUsageRatio::Warning => {
3911                (Severity::Warning, "Thread reaching the token limit soon")
3912            }
3913            acp_thread::TokenUsageRatio::Exceeded => {
3914                (Severity::Error, "Thread reached the token limit")
3915            }
3916        };
3917
3918        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
3919            thread.read(cx).completion_mode() == CompletionMode::Normal
3920                && thread
3921                    .read(cx)
3922                    .model()
3923                    .is_some_and(|model| model.supports_burn_mode())
3924        });
3925
3926        let description = if burn_mode_available {
3927            "To continue, start a new thread from a summary or turn Burn Mode on."
3928        } else {
3929            "To continue, start a new thread from a summary."
3930        };
3931
3932        Some(
3933            Callout::new()
3934                .severity(severity)
3935                .line_height(line_height)
3936                .title(title)
3937                .description(description)
3938                .actions_slot(
3939                    h_flex()
3940                        .gap_0p5()
3941                        .child(
3942                            Button::new("start-new-thread", "Start New Thread")
3943                                .label_size(LabelSize::Small)
3944                                .on_click(cx.listener(|this, _, window, cx| {
3945                                    let Some(thread) = this.thread() else {
3946                                        return;
3947                                    };
3948                                    let session_id = thread.read(cx).session_id().clone();
3949                                    window.dispatch_action(
3950                                        crate::NewNativeAgentThreadFromSummary {
3951                                            from_session_id: session_id,
3952                                        }
3953                                        .boxed_clone(),
3954                                        cx,
3955                                    );
3956                                })),
3957                        )
3958                        .when(burn_mode_available, |this| {
3959                            this.child(
3960                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
3961                                    .icon_size(IconSize::XSmall)
3962                                    .on_click(cx.listener(|this, _event, window, cx| {
3963                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3964                                    })),
3965                            )
3966                        }),
3967                ),
3968        )
3969    }
3970
3971    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
3972        if !self.is_using_zed_ai_models(cx) {
3973            return None;
3974        }
3975
3976        let user_store = self.project.read(cx).user_store().read(cx);
3977        if user_store.is_usage_based_billing_enabled() {
3978            return None;
3979        }
3980
3981        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
3982
3983        let usage = user_store.model_request_usage()?;
3984
3985        Some(
3986            div()
3987                .child(UsageCallout::new(plan, usage))
3988                .line_height(line_height),
3989        )
3990    }
3991
3992    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
3993        self.entry_view_state.update(cx, |entry_view_state, cx| {
3994            entry_view_state.settings_changed(cx);
3995        });
3996    }
3997
3998    pub(crate) fn insert_dragged_files(
3999        &self,
4000        paths: Vec<project::ProjectPath>,
4001        added_worktrees: Vec<Entity<project::Worktree>>,
4002        window: &mut Window,
4003        cx: &mut Context<Self>,
4004    ) {
4005        self.message_editor.update(cx, |message_editor, cx| {
4006            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4007        })
4008    }
4009
4010    fn render_thread_retry_status_callout(
4011        &self,
4012        _window: &mut Window,
4013        _cx: &mut Context<Self>,
4014    ) -> Option<Callout> {
4015        let state = self.thread_retry_status.as_ref()?;
4016
4017        let next_attempt_in = state
4018            .duration
4019            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4020        if next_attempt_in.is_zero() {
4021            return None;
4022        }
4023
4024        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4025
4026        let retry_message = if state.max_attempts == 1 {
4027            if next_attempt_in_secs == 1 {
4028                "Retrying. Next attempt in 1 second.".to_string()
4029            } else {
4030                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4031            }
4032        } else if next_attempt_in_secs == 1 {
4033            format!(
4034                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4035                state.attempt, state.max_attempts,
4036            )
4037        } else {
4038            format!(
4039                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4040                state.attempt, state.max_attempts,
4041            )
4042        };
4043
4044        Some(
4045            Callout::new()
4046                .severity(Severity::Warning)
4047                .title(state.last_error.clone())
4048                .description(retry_message),
4049        )
4050    }
4051
4052    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4053        let content = match self.thread_error.as_ref()? {
4054            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4055            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4056            ThreadError::ModelRequestLimitReached(plan) => {
4057                self.render_model_request_limit_reached_error(*plan, cx)
4058            }
4059            ThreadError::ToolUseLimitReached => {
4060                self.render_tool_use_limit_reached_error(window, cx)?
4061            }
4062        };
4063
4064        Some(div().child(content))
4065    }
4066
4067    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4068        Callout::new()
4069            .severity(Severity::Error)
4070            .title("Error")
4071            .description(error.clone())
4072            .actions_slot(self.create_copy_button(error.to_string()))
4073            .dismiss_action(self.dismiss_error_button(cx))
4074    }
4075
4076    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4077        const ERROR_MESSAGE: &str =
4078            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4079
4080        Callout::new()
4081            .severity(Severity::Error)
4082            .title("Free Usage Exceeded")
4083            .description(ERROR_MESSAGE)
4084            .actions_slot(
4085                h_flex()
4086                    .gap_0p5()
4087                    .child(self.upgrade_button(cx))
4088                    .child(self.create_copy_button(ERROR_MESSAGE)),
4089            )
4090            .dismiss_action(self.dismiss_error_button(cx))
4091    }
4092
4093    fn render_model_request_limit_reached_error(
4094        &self,
4095        plan: cloud_llm_client::Plan,
4096        cx: &mut Context<Self>,
4097    ) -> Callout {
4098        let error_message = match plan {
4099            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4100            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4101                "Upgrade to Zed Pro for more prompts."
4102            }
4103        };
4104
4105        Callout::new()
4106            .severity(Severity::Error)
4107            .title("Model Prompt Limit Reached")
4108            .description(error_message)
4109            .actions_slot(
4110                h_flex()
4111                    .gap_0p5()
4112                    .child(self.upgrade_button(cx))
4113                    .child(self.create_copy_button(error_message)),
4114            )
4115            .dismiss_action(self.dismiss_error_button(cx))
4116    }
4117
4118    fn render_tool_use_limit_reached_error(
4119        &self,
4120        window: &mut Window,
4121        cx: &mut Context<Self>,
4122    ) -> Option<Callout> {
4123        let thread = self.as_native_thread(cx)?;
4124        let supports_burn_mode = thread
4125            .read(cx)
4126            .model()
4127            .is_some_and(|model| model.supports_burn_mode());
4128
4129        let focus_handle = self.focus_handle(cx);
4130
4131        Some(
4132            Callout::new()
4133                .icon(IconName::Info)
4134                .title("Consecutive tool use limit reached.")
4135                .actions_slot(
4136                    h_flex()
4137                        .gap_0p5()
4138                        .when(supports_burn_mode, |this| {
4139                            this.child(
4140                                Button::new("continue-burn-mode", "Continue with Burn Mode")
4141                                    .style(ButtonStyle::Filled)
4142                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4143                                    .layer(ElevationIndex::ModalSurface)
4144                                    .label_size(LabelSize::Small)
4145                                    .key_binding(
4146                                        KeyBinding::for_action_in(
4147                                            &ContinueWithBurnMode,
4148                                            &focus_handle,
4149                                            window,
4150                                            cx,
4151                                        )
4152                                        .map(|kb| kb.size(rems_from_px(10.))),
4153                                    )
4154                                    .tooltip(Tooltip::text(
4155                                        "Enable Burn Mode for unlimited tool use.",
4156                                    ))
4157                                    .on_click({
4158                                        cx.listener(move |this, _, _window, cx| {
4159                                            thread.update(cx, |thread, cx| {
4160                                                thread
4161                                                    .set_completion_mode(CompletionMode::Burn, cx);
4162                                            });
4163                                            this.resume_chat(cx);
4164                                        })
4165                                    }),
4166                            )
4167                        })
4168                        .child(
4169                            Button::new("continue-conversation", "Continue")
4170                                .layer(ElevationIndex::ModalSurface)
4171                                .label_size(LabelSize::Small)
4172                                .key_binding(
4173                                    KeyBinding::for_action_in(
4174                                        &ContinueThread,
4175                                        &focus_handle,
4176                                        window,
4177                                        cx,
4178                                    )
4179                                    .map(|kb| kb.size(rems_from_px(10.))),
4180                                )
4181                                .on_click(cx.listener(|this, _, _window, cx| {
4182                                    this.resume_chat(cx);
4183                                })),
4184                        ),
4185                ),
4186        )
4187    }
4188
4189    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
4190        let message = message.into();
4191
4192        IconButton::new("copy", IconName::Copy)
4193            .icon_size(IconSize::Small)
4194            .icon_color(Color::Muted)
4195            .tooltip(Tooltip::text("Copy Error Message"))
4196            .on_click(move |_, _, cx| {
4197                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
4198            })
4199    }
4200
4201    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4202        IconButton::new("dismiss", IconName::Close)
4203            .icon_size(IconSize::Small)
4204            .icon_color(Color::Muted)
4205            .tooltip(Tooltip::text("Dismiss Error"))
4206            .on_click(cx.listener({
4207                move |this, _, _, cx| {
4208                    this.clear_thread_error(cx);
4209                    cx.notify();
4210                }
4211            }))
4212    }
4213
4214    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4215        Button::new("upgrade", "Upgrade")
4216            .label_size(LabelSize::Small)
4217            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4218            .on_click(cx.listener({
4219                move |this, _, _, cx| {
4220                    this.clear_thread_error(cx);
4221                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
4222                }
4223            }))
4224    }
4225
4226    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4227        self.thread_state = Self::initial_state(
4228            self.agent.clone(),
4229            None,
4230            self.workspace.clone(),
4231            self.project.clone(),
4232            window,
4233            cx,
4234        );
4235        cx.notify();
4236    }
4237}
4238
4239impl Focusable for AcpThreadView {
4240    fn focus_handle(&self, cx: &App) -> FocusHandle {
4241        self.message_editor.focus_handle(cx)
4242    }
4243}
4244
4245impl Render for AcpThreadView {
4246    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4247        let has_messages = self.list_state.item_count() > 0;
4248        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
4249
4250        v_flex()
4251            .size_full()
4252            .key_context("AcpThread")
4253            .on_action(cx.listener(Self::open_agent_diff))
4254            .on_action(cx.listener(Self::toggle_burn_mode))
4255            .on_action(cx.listener(Self::keep_all))
4256            .on_action(cx.listener(Self::reject_all))
4257            .bg(cx.theme().colors().panel_background)
4258            .child(match &self.thread_state {
4259                ThreadState::Unauthenticated {
4260                    connection,
4261                    description,
4262                    configuration_view,
4263                    ..
4264                } => self.render_auth_required_state(
4265                    connection,
4266                    description.as_ref(),
4267                    configuration_view.as_ref(),
4268                    window,
4269                    cx,
4270                ),
4271                ThreadState::Loading { .. } => v_flex().flex_1().child(self.render_empty_state(cx)),
4272                ThreadState::LoadError(e) => v_flex()
4273                    .p_2()
4274                    .flex_1()
4275                    .items_center()
4276                    .justify_center()
4277                    .child(self.render_load_error(e, cx)),
4278                ThreadState::Ready { thread, .. } => {
4279                    let thread_clone = thread.clone();
4280
4281                    v_flex().flex_1().map(|this| {
4282                        if has_messages {
4283                            this.child(
4284                                list(
4285                                    self.list_state.clone(),
4286                                    cx.processor(|this, index: usize, window, cx| {
4287                                        let Some((entry, len)) = this.thread().and_then(|thread| {
4288                                            let entries = &thread.read(cx).entries();
4289                                            Some((entries.get(index)?, entries.len()))
4290                                        }) else {
4291                                            return Empty.into_any();
4292                                        };
4293                                        this.render_entry(index, len, entry, window, cx)
4294                                    }),
4295                                )
4296                                .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
4297                                .flex_grow()
4298                                .into_any(),
4299                            )
4300                            .child(self.render_vertical_scrollbar(cx))
4301                            .children(
4302                                match thread_clone.read(cx).status() {
4303                                    ThreadStatus::Idle
4304                                    | ThreadStatus::WaitingForToolConfirmation => None,
4305                                    ThreadStatus::Generating => div()
4306                                        .px_5()
4307                                        .py_2()
4308                                        .child(LoadingLabel::new("").size(LabelSize::Small))
4309                                        .into(),
4310                                },
4311                            )
4312                        } else {
4313                            this.child(self.render_empty_state(cx))
4314                        }
4315                    })
4316                }
4317            })
4318            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
4319            // above so that the scrollbar doesn't render behind it. The current setup allows
4320            // the scrollbar to stop exactly at the activity bar start.
4321            .when(has_messages, |this| match &self.thread_state {
4322                ThreadState::Ready { thread, .. } => {
4323                    this.children(self.render_activity_bar(thread, window, cx))
4324                }
4325                _ => this,
4326            })
4327            .children(self.render_thread_retry_status_callout(window, cx))
4328            .children(self.render_thread_error(window, cx))
4329            .children(
4330                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
4331                    Some(usage_callout.into_any_element())
4332                } else {
4333                    self.render_token_limit_callout(line_height, cx)
4334                        .map(|token_limit_callout| token_limit_callout.into_any_element())
4335                },
4336            )
4337            .child(self.render_message_editor(window, cx))
4338    }
4339}
4340
4341fn default_markdown_style(buffer_font: bool, window: &Window, cx: &App) -> MarkdownStyle {
4342    let theme_settings = ThemeSettings::get_global(cx);
4343    let colors = cx.theme().colors();
4344
4345    let buffer_font_size = TextSize::Small.rems(cx);
4346
4347    let mut text_style = window.text_style();
4348    let line_height = buffer_font_size * 1.75;
4349
4350    let font_family = if buffer_font {
4351        theme_settings.buffer_font.family.clone()
4352    } else {
4353        theme_settings.ui_font.family.clone()
4354    };
4355
4356    let font_size = if buffer_font {
4357        TextSize::Small.rems(cx)
4358    } else {
4359        TextSize::Default.rems(cx)
4360    };
4361
4362    text_style.refine(&TextStyleRefinement {
4363        font_family: Some(font_family),
4364        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
4365        font_features: Some(theme_settings.ui_font.features.clone()),
4366        font_size: Some(font_size.into()),
4367        line_height: Some(line_height.into()),
4368        color: Some(cx.theme().colors().text),
4369        ..Default::default()
4370    });
4371
4372    MarkdownStyle {
4373        base_text_style: text_style.clone(),
4374        syntax: cx.theme().syntax().clone(),
4375        selection_background_color: cx.theme().colors().element_selection_background,
4376        code_block_overflow_x_scroll: true,
4377        table_overflow_x_scroll: true,
4378        heading_level_styles: Some(HeadingLevelStyles {
4379            h1: Some(TextStyleRefinement {
4380                font_size: Some(rems(1.15).into()),
4381                ..Default::default()
4382            }),
4383            h2: Some(TextStyleRefinement {
4384                font_size: Some(rems(1.1).into()),
4385                ..Default::default()
4386            }),
4387            h3: Some(TextStyleRefinement {
4388                font_size: Some(rems(1.05).into()),
4389                ..Default::default()
4390            }),
4391            h4: Some(TextStyleRefinement {
4392                font_size: Some(rems(1.).into()),
4393                ..Default::default()
4394            }),
4395            h5: Some(TextStyleRefinement {
4396                font_size: Some(rems(0.95).into()),
4397                ..Default::default()
4398            }),
4399            h6: Some(TextStyleRefinement {
4400                font_size: Some(rems(0.875).into()),
4401                ..Default::default()
4402            }),
4403        }),
4404        code_block: StyleRefinement {
4405            padding: EdgesRefinement {
4406                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4407                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4408                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4409                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4410            },
4411            margin: EdgesRefinement {
4412                top: Some(Length::Definite(Pixels(8.).into())),
4413                left: Some(Length::Definite(Pixels(0.).into())),
4414                right: Some(Length::Definite(Pixels(0.).into())),
4415                bottom: Some(Length::Definite(Pixels(12.).into())),
4416            },
4417            border_style: Some(BorderStyle::Solid),
4418            border_widths: EdgesRefinement {
4419                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
4420                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
4421                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
4422                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
4423            },
4424            border_color: Some(colors.border_variant),
4425            background: Some(colors.editor_background.into()),
4426            text: Some(TextStyleRefinement {
4427                font_family: Some(theme_settings.buffer_font.family.clone()),
4428                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4429                font_features: Some(theme_settings.buffer_font.features.clone()),
4430                font_size: Some(buffer_font_size.into()),
4431                ..Default::default()
4432            }),
4433            ..Default::default()
4434        },
4435        inline_code: TextStyleRefinement {
4436            font_family: Some(theme_settings.buffer_font.family.clone()),
4437            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4438            font_features: Some(theme_settings.buffer_font.features.clone()),
4439            font_size: Some(buffer_font_size.into()),
4440            background_color: Some(colors.editor_foreground.opacity(0.08)),
4441            ..Default::default()
4442        },
4443        link: TextStyleRefinement {
4444            background_color: Some(colors.editor_foreground.opacity(0.025)),
4445            underline: Some(UnderlineStyle {
4446                color: Some(colors.text_accent.opacity(0.5)),
4447                thickness: px(1.),
4448                ..Default::default()
4449            }),
4450            ..Default::default()
4451        },
4452        ..Default::default()
4453    }
4454}
4455
4456fn plan_label_markdown_style(
4457    status: &acp::PlanEntryStatus,
4458    window: &Window,
4459    cx: &App,
4460) -> MarkdownStyle {
4461    let default_md_style = default_markdown_style(false, window, cx);
4462
4463    MarkdownStyle {
4464        base_text_style: TextStyle {
4465            color: cx.theme().colors().text_muted,
4466            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
4467                Some(gpui::StrikethroughStyle {
4468                    thickness: px(1.),
4469                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
4470                })
4471            } else {
4472                None
4473            },
4474            ..default_md_style.base_text_style
4475        },
4476        ..default_md_style
4477    }
4478}
4479
4480fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
4481    let default_md_style = default_markdown_style(true, window, cx);
4482
4483    MarkdownStyle {
4484        base_text_style: TextStyle {
4485            ..default_md_style.base_text_style
4486        },
4487        selection_background_color: cx.theme().colors().element_selection_background,
4488        ..Default::default()
4489    }
4490}
4491
4492#[cfg(test)]
4493pub(crate) mod tests {
4494    use acp_thread::StubAgentConnection;
4495    use agent_client_protocol::SessionId;
4496    use assistant_context::ContextStore;
4497    use editor::EditorSettings;
4498    use fs::FakeFs;
4499    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
4500    use project::Project;
4501    use serde_json::json;
4502    use settings::SettingsStore;
4503    use std::any::Any;
4504    use std::path::Path;
4505    use workspace::Item;
4506
4507    use super::*;
4508
4509    #[gpui::test]
4510    async fn test_drop(cx: &mut TestAppContext) {
4511        init_test(cx);
4512
4513        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4514        let weak_view = thread_view.downgrade();
4515        drop(thread_view);
4516        assert!(!weak_view.is_upgradable());
4517    }
4518
4519    #[gpui::test]
4520    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
4521        init_test(cx);
4522
4523        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4524
4525        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4526        message_editor.update_in(cx, |editor, window, cx| {
4527            editor.set_text("Hello", window, cx);
4528        });
4529
4530        cx.deactivate_window();
4531
4532        thread_view.update_in(cx, |thread_view, window, cx| {
4533            thread_view.send(window, cx);
4534        });
4535
4536        cx.run_until_parked();
4537
4538        assert!(
4539            cx.windows()
4540                .iter()
4541                .any(|window| window.downcast::<AgentNotification>().is_some())
4542        );
4543    }
4544
4545    #[gpui::test]
4546    async fn test_notification_for_error(cx: &mut TestAppContext) {
4547        init_test(cx);
4548
4549        let (thread_view, cx) =
4550            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
4551
4552        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4553        message_editor.update_in(cx, |editor, window, cx| {
4554            editor.set_text("Hello", window, cx);
4555        });
4556
4557        cx.deactivate_window();
4558
4559        thread_view.update_in(cx, |thread_view, window, cx| {
4560            thread_view.send(window, cx);
4561        });
4562
4563        cx.run_until_parked();
4564
4565        assert!(
4566            cx.windows()
4567                .iter()
4568                .any(|window| window.downcast::<AgentNotification>().is_some())
4569        );
4570    }
4571
4572    #[gpui::test]
4573    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
4574        init_test(cx);
4575
4576        let tool_call_id = acp::ToolCallId("1".into());
4577        let tool_call = acp::ToolCall {
4578            id: tool_call_id.clone(),
4579            title: "Label".into(),
4580            kind: acp::ToolKind::Edit,
4581            status: acp::ToolCallStatus::Pending,
4582            content: vec!["hi".into()],
4583            locations: vec![],
4584            raw_input: None,
4585            raw_output: None,
4586        };
4587        let connection =
4588            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
4589                tool_call_id,
4590                vec![acp::PermissionOption {
4591                    id: acp::PermissionOptionId("1".into()),
4592                    name: "Allow".into(),
4593                    kind: acp::PermissionOptionKind::AllowOnce,
4594                }],
4595            )]));
4596
4597        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
4598
4599        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4600
4601        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4602        message_editor.update_in(cx, |editor, window, cx| {
4603            editor.set_text("Hello", window, cx);
4604        });
4605
4606        cx.deactivate_window();
4607
4608        thread_view.update_in(cx, |thread_view, window, cx| {
4609            thread_view.send(window, cx);
4610        });
4611
4612        cx.run_until_parked();
4613
4614        assert!(
4615            cx.windows()
4616                .iter()
4617                .any(|window| window.downcast::<AgentNotification>().is_some())
4618        );
4619    }
4620
4621    async fn setup_thread_view(
4622        agent: impl AgentServer + 'static,
4623        cx: &mut TestAppContext,
4624    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
4625        let fs = FakeFs::new(cx.executor());
4626        let project = Project::test(fs, [], cx).await;
4627        let (workspace, cx) =
4628            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4629
4630        let context_store =
4631            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
4632        let history_store =
4633            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
4634
4635        let thread_view = cx.update(|window, cx| {
4636            cx.new(|cx| {
4637                AcpThreadView::new(
4638                    Rc::new(agent),
4639                    None,
4640                    None,
4641                    workspace.downgrade(),
4642                    project,
4643                    history_store,
4644                    None,
4645                    window,
4646                    cx,
4647                )
4648            })
4649        });
4650        cx.run_until_parked();
4651        (thread_view, cx)
4652    }
4653
4654    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
4655        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
4656
4657        workspace
4658            .update_in(cx, |workspace, window, cx| {
4659                workspace.add_item_to_active_pane(
4660                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
4661                    None,
4662                    true,
4663                    window,
4664                    cx,
4665                );
4666            })
4667            .unwrap();
4668    }
4669
4670    struct ThreadViewItem(Entity<AcpThreadView>);
4671
4672    impl Item for ThreadViewItem {
4673        type Event = ();
4674
4675        fn include_in_nav_history() -> bool {
4676            false
4677        }
4678
4679        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
4680            "Test".into()
4681        }
4682    }
4683
4684    impl EventEmitter<()> for ThreadViewItem {}
4685
4686    impl Focusable for ThreadViewItem {
4687        fn focus_handle(&self, cx: &App) -> FocusHandle {
4688            self.0.read(cx).focus_handle(cx)
4689        }
4690    }
4691
4692    impl Render for ThreadViewItem {
4693        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
4694            self.0.clone().into_any_element()
4695        }
4696    }
4697
4698    struct StubAgentServer<C> {
4699        connection: C,
4700    }
4701
4702    impl<C> StubAgentServer<C> {
4703        fn new(connection: C) -> Self {
4704            Self { connection }
4705        }
4706    }
4707
4708    impl StubAgentServer<StubAgentConnection> {
4709        fn default_response() -> Self {
4710            let conn = StubAgentConnection::new();
4711            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4712                content: "Default response".into(),
4713            }]);
4714            Self::new(conn)
4715        }
4716    }
4717
4718    impl<C> AgentServer for StubAgentServer<C>
4719    where
4720        C: 'static + AgentConnection + Send + Clone,
4721    {
4722        fn logo(&self) -> ui::IconName {
4723            ui::IconName::Ai
4724        }
4725
4726        fn name(&self) -> &'static str {
4727            "Test"
4728        }
4729
4730        fn empty_state_headline(&self) -> &'static str {
4731            "Test"
4732        }
4733
4734        fn empty_state_message(&self) -> &'static str {
4735            "Test"
4736        }
4737
4738        fn connect(
4739            &self,
4740            _root_dir: &Path,
4741            _project: &Entity<Project>,
4742            _cx: &mut App,
4743        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
4744            Task::ready(Ok(Rc::new(self.connection.clone())))
4745        }
4746
4747        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4748            self
4749        }
4750    }
4751
4752    #[derive(Clone)]
4753    struct SaboteurAgentConnection;
4754
4755    impl AgentConnection for SaboteurAgentConnection {
4756        fn new_thread(
4757            self: Rc<Self>,
4758            project: Entity<Project>,
4759            _cwd: &Path,
4760            cx: &mut gpui::App,
4761        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4762            Task::ready(Ok(cx.new(|cx| {
4763                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4764                AcpThread::new(
4765                    "SaboteurAgentConnection",
4766                    self,
4767                    project,
4768                    action_log,
4769                    SessionId("test".into()),
4770                )
4771            })))
4772        }
4773
4774        fn auth_methods(&self) -> &[acp::AuthMethod] {
4775            &[]
4776        }
4777
4778        fn prompt_capabilities(&self) -> acp::PromptCapabilities {
4779            acp::PromptCapabilities {
4780                image: true,
4781                audio: true,
4782                embedded_context: true,
4783            }
4784        }
4785
4786        fn authenticate(
4787            &self,
4788            _method_id: acp::AuthMethodId,
4789            _cx: &mut App,
4790        ) -> Task<gpui::Result<()>> {
4791            unimplemented!()
4792        }
4793
4794        fn prompt(
4795            &self,
4796            _id: Option<acp_thread::UserMessageId>,
4797            _params: acp::PromptRequest,
4798            _cx: &mut App,
4799        ) -> Task<gpui::Result<acp::PromptResponse>> {
4800            Task::ready(Err(anyhow::anyhow!("Error prompting")))
4801        }
4802
4803        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4804            unimplemented!()
4805        }
4806
4807        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4808            self
4809        }
4810    }
4811
4812    pub(crate) fn init_test(cx: &mut TestAppContext) {
4813        cx.update(|cx| {
4814            let settings_store = SettingsStore::test(cx);
4815            cx.set_global(settings_store);
4816            language::init(cx);
4817            Project::init_settings(cx);
4818            AgentSettings::register(cx);
4819            workspace::init_settings(cx);
4820            ThemeSettings::register(cx);
4821            release_channel::init(SemanticVersion::default(), cx);
4822            EditorSettings::register(cx);
4823            prompt_store::init(cx)
4824        });
4825    }
4826
4827    #[gpui::test]
4828    async fn test_rewind_views(cx: &mut TestAppContext) {
4829        init_test(cx);
4830
4831        let fs = FakeFs::new(cx.executor());
4832        fs.insert_tree(
4833            "/project",
4834            json!({
4835                "test1.txt": "old content 1",
4836                "test2.txt": "old content 2"
4837            }),
4838        )
4839        .await;
4840        let project = Project::test(fs, [Path::new("/project")], cx).await;
4841        let (workspace, cx) =
4842            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4843
4844        let context_store =
4845            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
4846        let history_store =
4847            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
4848
4849        let connection = Rc::new(StubAgentConnection::new());
4850        let thread_view = cx.update(|window, cx| {
4851            cx.new(|cx| {
4852                AcpThreadView::new(
4853                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
4854                    None,
4855                    None,
4856                    workspace.downgrade(),
4857                    project.clone(),
4858                    history_store.clone(),
4859                    None,
4860                    window,
4861                    cx,
4862                )
4863            })
4864        });
4865
4866        cx.run_until_parked();
4867
4868        let thread = thread_view
4869            .read_with(cx, |view, _| view.thread().cloned())
4870            .unwrap();
4871
4872        // First user message
4873        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
4874            id: acp::ToolCallId("tool1".into()),
4875            title: "Edit file 1".into(),
4876            kind: acp::ToolKind::Edit,
4877            status: acp::ToolCallStatus::Completed,
4878            content: vec![acp::ToolCallContent::Diff {
4879                diff: acp::Diff {
4880                    path: "/project/test1.txt".into(),
4881                    old_text: Some("old content 1".into()),
4882                    new_text: "new content 1".into(),
4883                },
4884            }],
4885            locations: vec![],
4886            raw_input: None,
4887            raw_output: None,
4888        })]);
4889
4890        thread
4891            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
4892            .await
4893            .unwrap();
4894        cx.run_until_parked();
4895
4896        thread.read_with(cx, |thread, _| {
4897            assert_eq!(thread.entries().len(), 2);
4898        });
4899
4900        thread_view.read_with(cx, |view, cx| {
4901            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4902                assert!(
4903                    entry_view_state
4904                        .entry(0)
4905                        .unwrap()
4906                        .message_editor()
4907                        .is_some()
4908                );
4909                assert!(entry_view_state.entry(1).unwrap().has_content());
4910            });
4911        });
4912
4913        // Second user message
4914        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
4915            id: acp::ToolCallId("tool2".into()),
4916            title: "Edit file 2".into(),
4917            kind: acp::ToolKind::Edit,
4918            status: acp::ToolCallStatus::Completed,
4919            content: vec![acp::ToolCallContent::Diff {
4920                diff: acp::Diff {
4921                    path: "/project/test2.txt".into(),
4922                    old_text: Some("old content 2".into()),
4923                    new_text: "new content 2".into(),
4924                },
4925            }],
4926            locations: vec![],
4927            raw_input: None,
4928            raw_output: None,
4929        })]);
4930
4931        thread
4932            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
4933            .await
4934            .unwrap();
4935        cx.run_until_parked();
4936
4937        let second_user_message_id = thread.read_with(cx, |thread, _| {
4938            assert_eq!(thread.entries().len(), 4);
4939            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
4940                panic!();
4941            };
4942            user_message.id.clone().unwrap()
4943        });
4944
4945        thread_view.read_with(cx, |view, cx| {
4946            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4947                assert!(
4948                    entry_view_state
4949                        .entry(0)
4950                        .unwrap()
4951                        .message_editor()
4952                        .is_some()
4953                );
4954                assert!(entry_view_state.entry(1).unwrap().has_content());
4955                assert!(
4956                    entry_view_state
4957                        .entry(2)
4958                        .unwrap()
4959                        .message_editor()
4960                        .is_some()
4961                );
4962                assert!(entry_view_state.entry(3).unwrap().has_content());
4963            });
4964        });
4965
4966        // Rewind to first message
4967        thread
4968            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
4969            .await
4970            .unwrap();
4971
4972        cx.run_until_parked();
4973
4974        thread.read_with(cx, |thread, _| {
4975            assert_eq!(thread.entries().len(), 2);
4976        });
4977
4978        thread_view.read_with(cx, |view, cx| {
4979            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4980                assert!(
4981                    entry_view_state
4982                        .entry(0)
4983                        .unwrap()
4984                        .message_editor()
4985                        .is_some()
4986                );
4987                assert!(entry_view_state.entry(1).unwrap().has_content());
4988
4989                // Old views should be dropped
4990                assert!(entry_view_state.entry(2).is_none());
4991                assert!(entry_view_state.entry(3).is_none());
4992            });
4993        });
4994    }
4995
4996    #[gpui::test]
4997    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
4998        init_test(cx);
4999
5000        let connection = StubAgentConnection::new();
5001
5002        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5003            content: acp::ContentBlock::Text(acp::TextContent {
5004                text: "Response".into(),
5005                annotations: None,
5006            }),
5007        }]);
5008
5009        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5010        add_to_workspace(thread_view.clone(), cx);
5011
5012        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5013        message_editor.update_in(cx, |editor, window, cx| {
5014            editor.set_text("Original message to edit", window, cx);
5015        });
5016        thread_view.update_in(cx, |thread_view, window, cx| {
5017            thread_view.send(window, cx);
5018        });
5019
5020        cx.run_until_parked();
5021
5022        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5023            assert_eq!(view.editing_message, None);
5024
5025            view.entry_view_state
5026                .read(cx)
5027                .entry(0)
5028                .unwrap()
5029                .message_editor()
5030                .unwrap()
5031                .clone()
5032        });
5033
5034        // Focus
5035        cx.focus(&user_message_editor);
5036        thread_view.read_with(cx, |view, _cx| {
5037            assert_eq!(view.editing_message, Some(0));
5038        });
5039
5040        // Edit
5041        user_message_editor.update_in(cx, |editor, window, cx| {
5042            editor.set_text("Edited message content", window, cx);
5043        });
5044
5045        // Cancel
5046        user_message_editor.update_in(cx, |_editor, window, cx| {
5047            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
5048        });
5049
5050        thread_view.read_with(cx, |view, _cx| {
5051            assert_eq!(view.editing_message, None);
5052        });
5053
5054        user_message_editor.read_with(cx, |editor, cx| {
5055            assert_eq!(editor.text(cx), "Original message to edit");
5056        });
5057    }
5058
5059    #[gpui::test]
5060    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
5061        init_test(cx);
5062
5063        let connection = StubAgentConnection::new();
5064
5065        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5066        add_to_workspace(thread_view.clone(), cx);
5067
5068        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5069        let mut events = cx.events(&message_editor);
5070        message_editor.update_in(cx, |editor, window, cx| {
5071            editor.set_text("", window, cx);
5072        });
5073
5074        message_editor.update_in(cx, |_editor, window, cx| {
5075            window.dispatch_action(Box::new(Chat), cx);
5076        });
5077        cx.run_until_parked();
5078        // We shouldn't have received any messages
5079        assert!(matches!(
5080            events.try_next(),
5081            Err(futures::channel::mpsc::TryRecvError { .. })
5082        ));
5083    }
5084
5085    #[gpui::test]
5086    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
5087        init_test(cx);
5088
5089        let connection = StubAgentConnection::new();
5090
5091        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5092            content: acp::ContentBlock::Text(acp::TextContent {
5093                text: "Response".into(),
5094                annotations: None,
5095            }),
5096        }]);
5097
5098        let (thread_view, cx) =
5099            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5100        add_to_workspace(thread_view.clone(), cx);
5101
5102        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5103        message_editor.update_in(cx, |editor, window, cx| {
5104            editor.set_text("Original message to edit", window, cx);
5105        });
5106        thread_view.update_in(cx, |thread_view, window, cx| {
5107            thread_view.send(window, cx);
5108        });
5109
5110        cx.run_until_parked();
5111
5112        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5113            assert_eq!(view.editing_message, None);
5114            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
5115
5116            view.entry_view_state
5117                .read(cx)
5118                .entry(0)
5119                .unwrap()
5120                .message_editor()
5121                .unwrap()
5122                .clone()
5123        });
5124
5125        // Focus
5126        cx.focus(&user_message_editor);
5127
5128        // Edit
5129        user_message_editor.update_in(cx, |editor, window, cx| {
5130            editor.set_text("Edited message content", window, cx);
5131        });
5132
5133        // Send
5134        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5135            content: acp::ContentBlock::Text(acp::TextContent {
5136                text: "New Response".into(),
5137                annotations: None,
5138            }),
5139        }]);
5140
5141        user_message_editor.update_in(cx, |_editor, window, cx| {
5142            window.dispatch_action(Box::new(Chat), cx);
5143        });
5144
5145        cx.run_until_parked();
5146
5147        thread_view.read_with(cx, |view, cx| {
5148            assert_eq!(view.editing_message, None);
5149
5150            let entries = view.thread().unwrap().read(cx).entries();
5151            assert_eq!(entries.len(), 2);
5152            assert_eq!(
5153                entries[0].to_markdown(cx),
5154                "## User\n\nEdited message content\n\n"
5155            );
5156            assert_eq!(
5157                entries[1].to_markdown(cx),
5158                "## Assistant\n\nNew Response\n\n"
5159            );
5160
5161            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
5162                assert!(!state.entry(1).unwrap().has_content());
5163                state.entry(0).unwrap().message_editor().unwrap().clone()
5164            });
5165
5166            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
5167        })
5168    }
5169
5170    #[gpui::test]
5171    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
5172        init_test(cx);
5173
5174        let connection = StubAgentConnection::new();
5175
5176        let (thread_view, cx) =
5177            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5178        add_to_workspace(thread_view.clone(), cx);
5179
5180        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5181        message_editor.update_in(cx, |editor, window, cx| {
5182            editor.set_text("Original message to edit", window, cx);
5183        });
5184        thread_view.update_in(cx, |thread_view, window, cx| {
5185            thread_view.send(window, cx);
5186        });
5187
5188        cx.run_until_parked();
5189
5190        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
5191            let thread = view.thread().unwrap().read(cx);
5192            assert_eq!(thread.entries().len(), 1);
5193
5194            let editor = view
5195                .entry_view_state
5196                .read(cx)
5197                .entry(0)
5198                .unwrap()
5199                .message_editor()
5200                .unwrap()
5201                .clone();
5202
5203            (editor, thread.session_id().clone())
5204        });
5205
5206        // Focus
5207        cx.focus(&user_message_editor);
5208
5209        thread_view.read_with(cx, |view, _cx| {
5210            assert_eq!(view.editing_message, Some(0));
5211        });
5212
5213        // Edit
5214        user_message_editor.update_in(cx, |editor, window, cx| {
5215            editor.set_text("Edited message content", window, cx);
5216        });
5217
5218        thread_view.read_with(cx, |view, _cx| {
5219            assert_eq!(view.editing_message, Some(0));
5220        });
5221
5222        // Finish streaming response
5223        cx.update(|_, cx| {
5224            connection.send_update(
5225                session_id.clone(),
5226                acp::SessionUpdate::AgentMessageChunk {
5227                    content: acp::ContentBlock::Text(acp::TextContent {
5228                        text: "Response".into(),
5229                        annotations: None,
5230                    }),
5231                },
5232                cx,
5233            );
5234            connection.end_turn(session_id, acp::StopReason::EndTurn);
5235        });
5236
5237        thread_view.read_with(cx, |view, _cx| {
5238            assert_eq!(view.editing_message, Some(0));
5239        });
5240
5241        cx.run_until_parked();
5242
5243        // Should still be editing
5244        cx.update(|window, cx| {
5245            assert!(user_message_editor.focus_handle(cx).is_focused(window));
5246            assert_eq!(thread_view.read(cx).editing_message, Some(0));
5247            assert_eq!(
5248                user_message_editor.read(cx).text(cx),
5249                "Edited message content"
5250            );
5251        });
5252    }
5253
5254    #[gpui::test]
5255    async fn test_interrupt(cx: &mut TestAppContext) {
5256        init_test(cx);
5257
5258        let connection = StubAgentConnection::new();
5259
5260        let (thread_view, cx) =
5261            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5262        add_to_workspace(thread_view.clone(), cx);
5263
5264        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5265        message_editor.update_in(cx, |editor, window, cx| {
5266            editor.set_text("Message 1", window, cx);
5267        });
5268        thread_view.update_in(cx, |thread_view, window, cx| {
5269            thread_view.send(window, cx);
5270        });
5271
5272        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
5273            let thread = view.thread().unwrap();
5274
5275            (thread.clone(), thread.read(cx).session_id().clone())
5276        });
5277
5278        cx.run_until_parked();
5279
5280        cx.update(|_, cx| {
5281            connection.send_update(
5282                session_id.clone(),
5283                acp::SessionUpdate::AgentMessageChunk {
5284                    content: "Message 1 resp".into(),
5285                },
5286                cx,
5287            );
5288        });
5289
5290        cx.run_until_parked();
5291
5292        thread.read_with(cx, |thread, cx| {
5293            assert_eq!(
5294                thread.to_markdown(cx),
5295                indoc::indoc! {"
5296                    ## User
5297
5298                    Message 1
5299
5300                    ## Assistant
5301
5302                    Message 1 resp
5303
5304                "}
5305            )
5306        });
5307
5308        message_editor.update_in(cx, |editor, window, cx| {
5309            editor.set_text("Message 2", window, cx);
5310        });
5311        thread_view.update_in(cx, |thread_view, window, cx| {
5312            thread_view.send(window, cx);
5313        });
5314
5315        cx.update(|_, cx| {
5316            // Simulate a response sent after beginning to cancel
5317            connection.send_update(
5318                session_id.clone(),
5319                acp::SessionUpdate::AgentMessageChunk {
5320                    content: "onse".into(),
5321                },
5322                cx,
5323            );
5324        });
5325
5326        cx.run_until_parked();
5327
5328        // Last Message 1 response should appear before Message 2
5329        thread.read_with(cx, |thread, cx| {
5330            assert_eq!(
5331                thread.to_markdown(cx),
5332                indoc::indoc! {"
5333                    ## User
5334
5335                    Message 1
5336
5337                    ## Assistant
5338
5339                    Message 1 response
5340
5341                    ## User
5342
5343                    Message 2
5344
5345                "}
5346            )
5347        });
5348
5349        cx.update(|_, cx| {
5350            connection.send_update(
5351                session_id.clone(),
5352                acp::SessionUpdate::AgentMessageChunk {
5353                    content: "Message 2 response".into(),
5354                },
5355                cx,
5356            );
5357            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5358        });
5359
5360        cx.run_until_parked();
5361
5362        thread.read_with(cx, |thread, cx| {
5363            assert_eq!(
5364                thread.to_markdown(cx),
5365                indoc::indoc! {"
5366                    ## User
5367
5368                    Message 1
5369
5370                    ## Assistant
5371
5372                    Message 1 response
5373
5374                    ## User
5375
5376                    Message 2
5377
5378                    ## Assistant
5379
5380                    Message 2 response
5381
5382                "}
5383            )
5384        });
5385    }
5386}