thread_view.rs

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