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, ActionLogTelemetry};
   8use agent::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
   9use agent_client_protocol::{self as acp, PromptCapabilities};
  10use agent_servers::{AgentServer, AgentServerDelegate};
  11use agent_settings::{AgentProfileId, AgentSettings, CompletionMode};
  12use anyhow::{Result, anyhow};
  13use arrayvec::ArrayVec;
  14use audio::{Audio, Sound};
  15use buffer_diff::BufferDiff;
  16use client::zed_urls;
  17use cloud_llm_client::PlanV1;
  18use collections::{HashMap, HashSet};
  19use editor::scroll::Autoscroll;
  20use editor::{
  21    Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects, SizingBehavior,
  22};
  23use file_icons::FileIcons;
  24use fs::Fs;
  25use futures::FutureExt as _;
  26use gpui::{
  27    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  28    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  29    ListOffset, ListState, PlatformDisplay, SharedString, StyleRefinement, Subscription, Task,
  30    TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window, WindowHandle, div,
  31    ease_in_out, linear_color_stop, linear_gradient, list, point, pulsating_between,
  32};
  33use language::Buffer;
  34
  35use language_model::LanguageModelRegistry;
  36use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  37use project::{AgentServerStore, ExternalAgentServerName, Project, ProjectEntryId};
  38use prompt_store::{PromptId, PromptStore};
  39use rope::Point;
  40use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  41use std::cell::RefCell;
  42use std::path::Path;
  43use std::sync::Arc;
  44use std::time::Instant;
  45use std::{collections::BTreeMap, rc::Rc, time::Duration};
  46use terminal_view::terminal_panel::TerminalPanel;
  47use text::Anchor;
  48use theme::{AgentFontSize, ThemeSettings};
  49use ui::{
  50    Callout, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  51    PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip, WithScrollbar, prelude::*,
  52};
  53use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  54use workspace::{CollaboratorId, NewTerminal, Workspace};
  55use zed_actions::agent::{Chat, ToggleModelSelector};
  56use zed_actions::assistant::OpenRulesLibrary;
  57
  58use super::entry_view_state::EntryViewState;
  59use crate::acp::AcpModelSelectorPopover;
  60use crate::acp::ModeSelector;
  61use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  62use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  63use crate::agent_diff::AgentDiff;
  64use crate::profile_selector::{ProfileProvider, ProfileSelector};
  65
  66use crate::ui::{AgentNotification, AgentNotificationEvent, BurnModeTooltip, UsageCallout};
  67use crate::{
  68    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
  69    CycleFavoriteModels, CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, NewThread,
  70    OpenAgentDiff, OpenHistory, RejectAll, RejectOnce, ToggleBurnMode, ToggleProfileSelector,
  71};
  72
  73#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  74enum ThreadFeedback {
  75    Positive,
  76    Negative,
  77}
  78
  79#[derive(Debug)]
  80enum ThreadError {
  81    PaymentRequired,
  82    ModelRequestLimitReached(cloud_llm_client::Plan),
  83    ToolUseLimitReached,
  84    Refusal,
  85    AuthenticationRequired(SharedString),
  86    Other(SharedString),
  87}
  88
  89impl ThreadError {
  90    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  91        if error.is::<language_model::PaymentRequiredError>() {
  92            Self::PaymentRequired
  93        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  94            Self::ToolUseLimitReached
  95        } else if let Some(error) =
  96            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  97        {
  98            Self::ModelRequestLimitReached(error.plan)
  99        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 100            && acp_error.code == acp::ErrorCode::AuthRequired
 101        {
 102            Self::AuthenticationRequired(acp_error.message.clone().into())
 103        } else {
 104            let string = format!("{:#}", error);
 105            // TODO: we should have Gemini return better errors here.
 106            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 107                && string.contains("Could not load the default credentials")
 108                || string.contains("API key not valid")
 109                || string.contains("Request had invalid authentication credentials")
 110            {
 111                Self::AuthenticationRequired(string.into())
 112            } else {
 113                Self::Other(string.into())
 114            }
 115        }
 116    }
 117}
 118
 119impl ProfileProvider for Entity<agent::Thread> {
 120    fn profile_id(&self, cx: &App) -> AgentProfileId {
 121        self.read(cx).profile().clone()
 122    }
 123
 124    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 125        self.update(cx, |thread, cx| {
 126            // Apply the profile and let the thread swap to its default model.
 127            thread.set_profile(profile_id, cx);
 128        });
 129    }
 130
 131    fn profiles_supported(&self, cx: &App) -> bool {
 132        self.read(cx)
 133            .model()
 134            .is_some_and(|model| model.supports_tools())
 135    }
 136}
 137
 138#[derive(Default)]
 139struct ThreadFeedbackState {
 140    feedback: Option<ThreadFeedback>,
 141    comments_editor: Option<Entity<Editor>>,
 142}
 143
 144impl ThreadFeedbackState {
 145    pub fn submit(
 146        &mut self,
 147        thread: Entity<AcpThread>,
 148        feedback: ThreadFeedback,
 149        window: &mut Window,
 150        cx: &mut App,
 151    ) {
 152        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 153            return;
 154        };
 155
 156        if self.feedback == Some(feedback) {
 157            return;
 158        }
 159
 160        self.feedback = Some(feedback);
 161        match feedback {
 162            ThreadFeedback::Positive => {
 163                self.comments_editor = None;
 164            }
 165            ThreadFeedback::Negative => {
 166                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 167            }
 168        }
 169        let session_id = thread.read(cx).session_id().clone();
 170        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 171        let task = telemetry.thread_data(&session_id, cx);
 172        let rating = match feedback {
 173            ThreadFeedback::Positive => "positive",
 174            ThreadFeedback::Negative => "negative",
 175        };
 176        cx.background_spawn(async move {
 177            let thread = task.await?;
 178            telemetry::event!(
 179                "Agent Thread Rated",
 180                agent = agent_telemetry_id,
 181                session_id = session_id,
 182                rating = rating,
 183                thread = thread
 184            );
 185            anyhow::Ok(())
 186        })
 187        .detach_and_log_err(cx);
 188    }
 189
 190    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 191        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 192            return;
 193        };
 194
 195        let Some(comments) = self
 196            .comments_editor
 197            .as_ref()
 198            .map(|editor| editor.read(cx).text(cx))
 199            .filter(|text| !text.trim().is_empty())
 200        else {
 201            return;
 202        };
 203
 204        self.comments_editor.take();
 205
 206        let session_id = thread.read(cx).session_id().clone();
 207        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 208        let task = telemetry.thread_data(&session_id, cx);
 209        cx.background_spawn(async move {
 210            let thread = task.await?;
 211            telemetry::event!(
 212                "Agent Thread Feedback Comments",
 213                agent = agent_telemetry_id,
 214                session_id = session_id,
 215                comments = comments,
 216                thread = thread
 217            );
 218            anyhow::Ok(())
 219        })
 220        .detach_and_log_err(cx);
 221    }
 222
 223    pub fn clear(&mut self) {
 224        *self = Self::default()
 225    }
 226
 227    pub fn dismiss_comments(&mut self) {
 228        self.comments_editor.take();
 229    }
 230
 231    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 232        let buffer = cx.new(|cx| {
 233            let empty_string = String::new();
 234            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 235        });
 236
 237        let editor = cx.new(|cx| {
 238            let mut editor = Editor::new(
 239                editor::EditorMode::AutoHeight {
 240                    min_lines: 1,
 241                    max_lines: Some(4),
 242                },
 243                buffer,
 244                None,
 245                window,
 246                cx,
 247            );
 248            editor.set_placeholder_text(
 249                "What went wrong? Share your feedback so we can improve.",
 250                window,
 251                cx,
 252            );
 253            editor
 254        });
 255
 256        editor.read(cx).focus_handle(cx).focus(window, cx);
 257        editor
 258    }
 259}
 260
 261pub struct AcpThreadView {
 262    agent: Rc<dyn AgentServer>,
 263    agent_server_store: Entity<AgentServerStore>,
 264    workspace: WeakEntity<Workspace>,
 265    project: Entity<Project>,
 266    thread_state: ThreadState,
 267    login: Option<task::SpawnInTerminal>,
 268    history_store: Entity<HistoryStore>,
 269    hovered_recent_history_item: Option<usize>,
 270    entry_view_state: Entity<EntryViewState>,
 271    message_editor: Entity<MessageEditor>,
 272    focus_handle: FocusHandle,
 273    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 274    profile_selector: Option<Entity<ProfileSelector>>,
 275    notifications: Vec<WindowHandle<AgentNotification>>,
 276    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 277    thread_retry_status: Option<RetryStatus>,
 278    thread_error: Option<ThreadError>,
 279    thread_error_markdown: Option<Entity<Markdown>>,
 280    thread_feedback: ThreadFeedbackState,
 281    list_state: ListState,
 282    auth_task: Option<Task<()>>,
 283    expanded_tool_calls: HashSet<acp::ToolCallId>,
 284    expanded_thinking_blocks: HashSet<(usize, usize)>,
 285    edits_expanded: bool,
 286    plan_expanded: bool,
 287    editor_expanded: bool,
 288    should_be_following: bool,
 289    editing_message: Option<usize>,
 290    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 291    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 292    is_loading_contents: bool,
 293    new_server_version_available: Option<SharedString>,
 294    resume_thread_metadata: Option<DbThreadMetadata>,
 295    _cancel_task: Option<Task<()>>,
 296    _subscriptions: [Subscription; 5],
 297    show_codex_windows_warning: bool,
 298    in_flight_prompt: Option<Vec<acp::ContentBlock>>,
 299}
 300
 301enum ThreadState {
 302    Loading(Entity<LoadingView>),
 303    Ready {
 304        thread: Entity<AcpThread>,
 305        title_editor: Option<Entity<Editor>>,
 306        mode_selector: Option<Entity<ModeSelector>>,
 307        _subscriptions: Vec<Subscription>,
 308    },
 309    LoadError(LoadError),
 310    Unauthenticated {
 311        connection: Rc<dyn AgentConnection>,
 312        description: Option<Entity<Markdown>>,
 313        configuration_view: Option<AnyView>,
 314        pending_auth_method: Option<acp::AuthMethodId>,
 315        _subscription: Option<Subscription>,
 316    },
 317}
 318
 319struct LoadingView {
 320    title: SharedString,
 321    _load_task: Task<()>,
 322    _update_title_task: Task<anyhow::Result<()>>,
 323}
 324
 325impl AcpThreadView {
 326    pub fn new(
 327        agent: Rc<dyn AgentServer>,
 328        resume_thread: Option<DbThreadMetadata>,
 329        summarize_thread: Option<DbThreadMetadata>,
 330        workspace: WeakEntity<Workspace>,
 331        project: Entity<Project>,
 332        history_store: Entity<HistoryStore>,
 333        prompt_store: Option<Entity<PromptStore>>,
 334        track_load_event: bool,
 335        window: &mut Window,
 336        cx: &mut Context<Self>,
 337    ) -> Self {
 338        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 339        let available_commands = Rc::new(RefCell::new(vec![]));
 340
 341        let agent_server_store = project.read(cx).agent_server_store().clone();
 342        let agent_display_name = agent_server_store
 343            .read(cx)
 344            .agent_display_name(&ExternalAgentServerName(agent.name()))
 345            .unwrap_or_else(|| agent.name());
 346
 347        let placeholder = placeholder_text(agent_display_name.as_ref(), false);
 348
 349        let message_editor = cx.new(|cx| {
 350            let mut editor = MessageEditor::new(
 351                workspace.clone(),
 352                project.downgrade(),
 353                history_store.clone(),
 354                prompt_store.clone(),
 355                prompt_capabilities.clone(),
 356                available_commands.clone(),
 357                agent.name(),
 358                &placeholder,
 359                editor::EditorMode::AutoHeight {
 360                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 361                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 362                },
 363                window,
 364                cx,
 365            );
 366            if let Some(entry) = summarize_thread {
 367                editor.insert_thread_summary(entry, window, cx);
 368            }
 369            editor
 370        });
 371
 372        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 373
 374        let entry_view_state = cx.new(|_| {
 375            EntryViewState::new(
 376                workspace.clone(),
 377                project.downgrade(),
 378                history_store.clone(),
 379                prompt_store.clone(),
 380                prompt_capabilities.clone(),
 381                available_commands.clone(),
 382                agent.name(),
 383            )
 384        });
 385
 386        let subscriptions = [
 387            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 388            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 389            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 390            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 391            cx.subscribe_in(
 392                &agent_server_store,
 393                window,
 394                Self::handle_agent_servers_updated,
 395            ),
 396        ];
 397
 398        cx.on_release(|this, cx| {
 399            for window in this.notifications.drain(..) {
 400                window
 401                    .update(cx, |_, window, _| {
 402                        window.remove_window();
 403                    })
 404                    .ok();
 405            }
 406        })
 407        .detach();
 408
 409        let show_codex_windows_warning = cfg!(windows)
 410            && project.read(cx).is_local()
 411            && agent.clone().downcast::<agent_servers::Codex>().is_some();
 412
 413        Self {
 414            agent: agent.clone(),
 415            agent_server_store,
 416            workspace: workspace.clone(),
 417            project: project.clone(),
 418            entry_view_state,
 419            thread_state: Self::initial_state(
 420                agent.clone(),
 421                resume_thread.clone(),
 422                workspace.clone(),
 423                project.clone(),
 424                track_load_event,
 425                window,
 426                cx,
 427            ),
 428            login: None,
 429            message_editor,
 430            model_selector: None,
 431            profile_selector: None,
 432
 433            notifications: Vec::new(),
 434            notification_subscriptions: HashMap::default(),
 435            list_state: list_state,
 436            thread_retry_status: None,
 437            thread_error: None,
 438            thread_error_markdown: None,
 439            thread_feedback: Default::default(),
 440            auth_task: None,
 441            expanded_tool_calls: HashSet::default(),
 442            expanded_thinking_blocks: HashSet::default(),
 443            editing_message: None,
 444            edits_expanded: false,
 445            plan_expanded: false,
 446            prompt_capabilities,
 447            available_commands,
 448            editor_expanded: false,
 449            should_be_following: false,
 450            history_store,
 451            hovered_recent_history_item: None,
 452            is_loading_contents: false,
 453            _subscriptions: subscriptions,
 454            _cancel_task: None,
 455            focus_handle: cx.focus_handle(),
 456            new_server_version_available: None,
 457            resume_thread_metadata: resume_thread,
 458            show_codex_windows_warning,
 459            in_flight_prompt: None,
 460        }
 461    }
 462
 463    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 464        self.thread_state = Self::initial_state(
 465            self.agent.clone(),
 466            self.resume_thread_metadata.clone(),
 467            self.workspace.clone(),
 468            self.project.clone(),
 469            true,
 470            window,
 471            cx,
 472        );
 473        self.available_commands.replace(vec![]);
 474        self.new_server_version_available.take();
 475        cx.notify();
 476    }
 477
 478    fn initial_state(
 479        agent: Rc<dyn AgentServer>,
 480        resume_thread: Option<DbThreadMetadata>,
 481        workspace: WeakEntity<Workspace>,
 482        project: Entity<Project>,
 483        track_load_event: bool,
 484        window: &mut Window,
 485        cx: &mut Context<Self>,
 486    ) -> ThreadState {
 487        if project.read(cx).is_via_collab()
 488            && agent.clone().downcast::<NativeAgentServer>().is_none()
 489        {
 490            return ThreadState::LoadError(LoadError::Other(
 491                "External agents are not yet supported in shared projects.".into(),
 492            ));
 493        }
 494        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 495        // Pick the first non-single-file worktree for the root directory if there are any,
 496        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 497        worktrees.sort_by(|l, r| {
 498            l.read(cx)
 499                .is_single_file()
 500                .cmp(&r.read(cx).is_single_file())
 501        });
 502        let root_dir = worktrees
 503            .into_iter()
 504            .filter_map(|worktree| {
 505                if worktree.read(cx).is_single_file() {
 506                    Some(worktree.read(cx).abs_path().parent()?.into())
 507                } else {
 508                    Some(worktree.read(cx).abs_path())
 509                }
 510            })
 511            .next();
 512        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 513        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 514        let delegate = AgentServerDelegate::new(
 515            project.read(cx).agent_server_store().clone(),
 516            project.clone(),
 517            Some(status_tx),
 518            Some(new_version_available_tx),
 519        );
 520
 521        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 522        let load_task = cx.spawn_in(window, async move |this, cx| {
 523            let connection = match connect_task.await {
 524                Ok((connection, login)) => {
 525                    this.update(cx, |this, _| this.login = login).ok();
 526                    connection
 527                }
 528                Err(err) => {
 529                    this.update_in(cx, |this, window, cx| {
 530                        if err.downcast_ref::<LoadError>().is_some() {
 531                            this.handle_load_error(err, window, cx);
 532                        } else {
 533                            this.handle_thread_error(err, cx);
 534                        }
 535                        cx.notify();
 536                    })
 537                    .log_err();
 538                    return;
 539                }
 540            };
 541
 542            if track_load_event {
 543                telemetry::event!("Agent Thread Started", agent = connection.telemetry_id());
 544            }
 545
 546            let result = if let Some(native_agent) = connection
 547                .clone()
 548                .downcast::<agent::NativeAgentConnection>()
 549                && let Some(resume) = resume_thread.clone()
 550            {
 551                cx.update(|_, cx| {
 552                    native_agent
 553                        .0
 554                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 555                })
 556                .log_err()
 557            } else {
 558                let root_dir = root_dir.unwrap_or(paths::home_dir().as_path().into());
 559                cx.update(|_, cx| {
 560                    connection
 561                        .clone()
 562                        .new_thread(project.clone(), &root_dir, cx)
 563                })
 564                .log_err()
 565            };
 566
 567            let Some(result) = result else {
 568                return;
 569            };
 570
 571            let result = match result.await {
 572                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 573                    Ok(err) => {
 574                        cx.update(|window, cx| {
 575                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 576                        })
 577                        .log_err();
 578                        return;
 579                    }
 580                    Err(err) => Err(err),
 581                },
 582                Ok(thread) => Ok(thread),
 583            };
 584
 585            this.update_in(cx, |this, window, cx| {
 586                match result {
 587                    Ok(thread) => {
 588                        let action_log = thread.read(cx).action_log().clone();
 589
 590                        this.prompt_capabilities
 591                            .replace(thread.read(cx).prompt_capabilities());
 592
 593                        let count = thread.read(cx).entries().len();
 594                        this.entry_view_state.update(cx, |view_state, cx| {
 595                            for ix in 0..count {
 596                                view_state.sync_entry(ix, &thread, window, cx);
 597                            }
 598                            this.list_state.splice_focusable(
 599                                0..0,
 600                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 601                            );
 602                        });
 603
 604                        if let Some(resume) = resume_thread {
 605                            this.history_store.update(cx, |history, cx| {
 606                                history.push_recently_opened_entry(
 607                                    HistoryEntryId::AcpThread(resume.id),
 608                                    cx,
 609                                );
 610                            });
 611                        }
 612
 613                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 614
 615                        this.model_selector = thread
 616                            .read(cx)
 617                            .connection()
 618                            .model_selector(thread.read(cx).session_id())
 619                            .map(|selector| {
 620                                let agent_server = this.agent.clone();
 621                                let fs = this.project.read(cx).fs().clone();
 622                                cx.new(|cx| {
 623                                    AcpModelSelectorPopover::new(
 624                                        selector,
 625                                        agent_server,
 626                                        fs,
 627                                        PopoverMenuHandle::default(),
 628                                        this.focus_handle(cx),
 629                                        window,
 630                                        cx,
 631                                    )
 632                                })
 633                            });
 634
 635                        let mode_selector = thread
 636                            .read(cx)
 637                            .connection()
 638                            .session_modes(thread.read(cx).session_id(), cx)
 639                            .map(|session_modes| {
 640                                let fs = this.project.read(cx).fs().clone();
 641                                let focus_handle = this.focus_handle(cx);
 642                                cx.new(|_cx| {
 643                                    ModeSelector::new(
 644                                        session_modes,
 645                                        this.agent.clone(),
 646                                        fs,
 647                                        focus_handle,
 648                                    )
 649                                })
 650                            });
 651
 652                        let mut subscriptions = vec![
 653                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 654                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 655                        ];
 656
 657                        let title_editor =
 658                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 659                                let editor = cx.new(|cx| {
 660                                    let mut editor = Editor::single_line(window, cx);
 661                                    editor.set_text(thread.read(cx).title(), window, cx);
 662                                    editor
 663                                });
 664                                subscriptions.push(cx.subscribe_in(
 665                                    &editor,
 666                                    window,
 667                                    Self::handle_title_editor_event,
 668                                ));
 669                                Some(editor)
 670                            } else {
 671                                None
 672                            };
 673
 674                        this.thread_state = ThreadState::Ready {
 675                            thread,
 676                            title_editor,
 677                            mode_selector,
 678                            _subscriptions: subscriptions,
 679                        };
 680
 681                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 682                            cx.new(|cx| {
 683                                ProfileSelector::new(
 684                                    <dyn Fs>::global(cx),
 685                                    Arc::new(thread.clone()),
 686                                    this.focus_handle(cx),
 687                                    cx,
 688                                )
 689                            })
 690                        });
 691
 692                        this.message_editor.focus_handle(cx).focus(window, cx);
 693
 694                        cx.notify();
 695                    }
 696                    Err(err) => {
 697                        this.handle_load_error(err, window, cx);
 698                    }
 699                };
 700            })
 701            .log_err();
 702        });
 703
 704        cx.spawn(async move |this, cx| {
 705            while let Ok(new_version) = new_version_available_rx.recv().await {
 706                if let Some(new_version) = new_version {
 707                    this.update(cx, |this, cx| {
 708                        this.new_server_version_available = Some(new_version.into());
 709                        cx.notify();
 710                    })
 711                    .ok();
 712                }
 713            }
 714        })
 715        .detach();
 716
 717        let loading_view = cx.new(|cx| {
 718            let update_title_task = cx.spawn(async move |this, cx| {
 719                loop {
 720                    let status = status_rx.recv().await?;
 721                    this.update(cx, |this: &mut LoadingView, cx| {
 722                        this.title = status;
 723                        cx.notify();
 724                    })?;
 725                }
 726            });
 727
 728            LoadingView {
 729                title: "Loading…".into(),
 730                _load_task: load_task,
 731                _update_title_task: update_title_task,
 732            }
 733        });
 734
 735        ThreadState::Loading(loading_view)
 736    }
 737
 738    fn handle_auth_required(
 739        this: WeakEntity<Self>,
 740        err: AuthRequired,
 741        agent: Rc<dyn AgentServer>,
 742        connection: Rc<dyn AgentConnection>,
 743        window: &mut Window,
 744        cx: &mut App,
 745    ) {
 746        let agent_name = agent.name();
 747        let (configuration_view, subscription) = if let Some(provider_id) = &err.provider_id {
 748            let registry = LanguageModelRegistry::global(cx);
 749
 750            let sub = window.subscribe(&registry, cx, {
 751                let provider_id = provider_id.clone();
 752                let this = this.clone();
 753                move |_, ev, window, cx| {
 754                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 755                        && &provider_id == updated_provider_id
 756                        && LanguageModelRegistry::global(cx)
 757                            .read(cx)
 758                            .provider(&provider_id)
 759                            .map_or(false, |provider| provider.is_authenticated(cx))
 760                    {
 761                        this.update(cx, |this, cx| {
 762                            this.reset(window, cx);
 763                        })
 764                        .ok();
 765                    }
 766                }
 767            });
 768
 769            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 770                provider.configuration_view(
 771                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 772                    window,
 773                    cx,
 774                )
 775            });
 776
 777            (view, Some(sub))
 778        } else {
 779            (None, None)
 780        };
 781
 782        this.update(cx, |this, cx| {
 783            this.thread_state = ThreadState::Unauthenticated {
 784                pending_auth_method: None,
 785                connection,
 786                configuration_view,
 787                description: err
 788                    .description
 789                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 790                _subscription: subscription,
 791            };
 792            if this.message_editor.focus_handle(cx).is_focused(window) {
 793                this.focus_handle.focus(window, cx)
 794            }
 795            cx.notify();
 796        })
 797        .ok();
 798    }
 799
 800    fn handle_load_error(
 801        &mut self,
 802        err: anyhow::Error,
 803        window: &mut Window,
 804        cx: &mut Context<Self>,
 805    ) {
 806        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 807            self.thread_state = ThreadState::LoadError(load_err.clone());
 808        } else {
 809            self.thread_state =
 810                ThreadState::LoadError(LoadError::Other(format!("{:#}", err).into()))
 811        }
 812        if self.message_editor.focus_handle(cx).is_focused(window) {
 813            self.focus_handle.focus(window, cx)
 814        }
 815        cx.notify();
 816    }
 817
 818    fn handle_agent_servers_updated(
 819        &mut self,
 820        _agent_server_store: &Entity<project::AgentServerStore>,
 821        _event: &project::AgentServersUpdated,
 822        window: &mut Window,
 823        cx: &mut Context<Self>,
 824    ) {
 825        // If we're in a LoadError state OR have a thread_error set (which can happen
 826        // when agent.connect() fails during loading), retry loading the thread.
 827        // This handles the case where a thread is restored before authentication completes.
 828        let should_retry =
 829            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 830
 831        if should_retry {
 832            self.thread_error = None;
 833            self.thread_error_markdown = None;
 834            self.reset(window, cx);
 835        }
 836    }
 837
 838    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 839        &self.workspace
 840    }
 841
 842    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 843        match &self.thread_state {
 844            ThreadState::Ready { thread, .. } => Some(thread),
 845            ThreadState::Unauthenticated { .. }
 846            | ThreadState::Loading { .. }
 847            | ThreadState::LoadError { .. } => None,
 848        }
 849    }
 850
 851    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 852        match &self.thread_state {
 853            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 854            ThreadState::Unauthenticated { .. }
 855            | ThreadState::Loading { .. }
 856            | ThreadState::LoadError { .. } => None,
 857        }
 858    }
 859
 860    pub fn title(&self, cx: &App) -> SharedString {
 861        match &self.thread_state {
 862            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 863            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 864            ThreadState::LoadError(error) => match error {
 865                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 866                LoadError::FailedToInstall(_) => {
 867                    format!("Failed to Install {}", self.agent.name()).into()
 868                }
 869                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 870                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 871            },
 872        }
 873    }
 874
 875    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 876        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 877            title_editor.clone()
 878        } else {
 879            None
 880        }
 881    }
 882
 883    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 884        self.thread_error.take();
 885        self.thread_retry_status.take();
 886
 887        if let Some(thread) = self.thread() {
 888            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 889        }
 890    }
 891
 892    pub fn expand_message_editor(
 893        &mut self,
 894        _: &ExpandMessageEditor,
 895        _window: &mut Window,
 896        cx: &mut Context<Self>,
 897    ) {
 898        self.set_editor_is_expanded(!self.editor_expanded, cx);
 899        cx.stop_propagation();
 900        cx.notify();
 901    }
 902
 903    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 904        self.editor_expanded = is_expanded;
 905        self.message_editor.update(cx, |editor, cx| {
 906            if is_expanded {
 907                editor.set_mode(
 908                    EditorMode::Full {
 909                        scale_ui_elements_with_buffer_font_size: false,
 910                        show_active_line_background: false,
 911                        sizing_behavior: SizingBehavior::ExcludeOverscrollMargin,
 912                    },
 913                    cx,
 914                )
 915            } else {
 916                let agent_settings = AgentSettings::get_global(cx);
 917                editor.set_mode(
 918                    EditorMode::AutoHeight {
 919                        min_lines: agent_settings.message_editor_min_lines,
 920                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 921                    },
 922                    cx,
 923                )
 924            }
 925        });
 926        cx.notify();
 927    }
 928
 929    pub fn handle_title_editor_event(
 930        &mut self,
 931        title_editor: &Entity<Editor>,
 932        event: &EditorEvent,
 933        window: &mut Window,
 934        cx: &mut Context<Self>,
 935    ) {
 936        let Some(thread) = self.thread() else { return };
 937
 938        match event {
 939            EditorEvent::BufferEdited => {
 940                let new_title = title_editor.read(cx).text(cx);
 941                thread.update(cx, |thread, cx| {
 942                    thread
 943                        .set_title(new_title.into(), cx)
 944                        .detach_and_log_err(cx);
 945                })
 946            }
 947            EditorEvent::Blurred => {
 948                if title_editor.read(cx).text(cx).is_empty() {
 949                    title_editor.update(cx, |editor, cx| {
 950                        editor.set_text("New Thread", window, cx);
 951                    });
 952                }
 953            }
 954            _ => {}
 955        }
 956    }
 957
 958    pub fn handle_message_editor_event(
 959        &mut self,
 960        _: &Entity<MessageEditor>,
 961        event: &MessageEditorEvent,
 962        window: &mut Window,
 963        cx: &mut Context<Self>,
 964    ) {
 965        match event {
 966            MessageEditorEvent::Send => self.send(window, cx),
 967            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 968            MessageEditorEvent::Focus => {
 969                self.cancel_editing(&Default::default(), window, cx);
 970            }
 971            MessageEditorEvent::LostFocus => {}
 972        }
 973    }
 974
 975    pub fn handle_entry_view_event(
 976        &mut self,
 977        _: &Entity<EntryViewState>,
 978        event: &EntryViewEvent,
 979        window: &mut Window,
 980        cx: &mut Context<Self>,
 981    ) {
 982        match &event.view_event {
 983            ViewEvent::NewDiff(tool_call_id) => {
 984                if AgentSettings::get_global(cx).expand_edit_card {
 985                    self.expanded_tool_calls.insert(tool_call_id.clone());
 986                }
 987            }
 988            ViewEvent::NewTerminal(tool_call_id) => {
 989                if AgentSettings::get_global(cx).expand_terminal_card {
 990                    self.expanded_tool_calls.insert(tool_call_id.clone());
 991                }
 992            }
 993            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 994                self.expanded_tool_calls.remove(tool_call_id);
 995            }
 996            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 997                if let Some(thread) = self.thread()
 998                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 999                        thread.read(cx).entries().get(event.entry_index)
1000                    && user_message.id.is_some()
1001                {
1002                    self.editing_message = Some(event.entry_index);
1003                    cx.notify();
1004                }
1005            }
1006            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
1007                if let Some(thread) = self.thread()
1008                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
1009                        thread.read(cx).entries().get(event.entry_index)
1010                    && user_message.id.is_some()
1011                {
1012                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
1013                        self.editing_message = None;
1014                        cx.notify();
1015                    }
1016                }
1017            }
1018            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
1019                self.regenerate(event.entry_index, editor.clone(), window, cx);
1020            }
1021            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
1022                self.cancel_editing(&Default::default(), window, cx);
1023            }
1024        }
1025    }
1026
1027    pub fn is_loading(&self) -> bool {
1028        matches!(self.thread_state, ThreadState::Loading { .. })
1029    }
1030
1031    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1032        self.thread_error.take();
1033        let Some(thread) = self.thread() else {
1034            return;
1035        };
1036        if !thread.read(cx).can_resume(cx) {
1037            return;
1038        }
1039
1040        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1041        cx.spawn(async move |this, cx| {
1042            let result = task.await;
1043
1044            this.update(cx, |this, cx| {
1045                if let Err(err) = result {
1046                    this.handle_thread_error(err, cx);
1047                }
1048            })
1049        })
1050        .detach();
1051    }
1052
1053    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1054        let Some(thread) = self.thread() else { return };
1055
1056        if self.is_loading_contents {
1057            return;
1058        }
1059
1060        self.history_store.update(cx, |history, cx| {
1061            history.push_recently_opened_entry(
1062                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1063                cx,
1064            );
1065        });
1066
1067        if thread.read(cx).status() != ThreadStatus::Idle {
1068            self.stop_current_and_send_new_message(window, cx);
1069            return;
1070        }
1071
1072        let text = self.message_editor.read(cx).text(cx);
1073        let text = text.trim();
1074        if text == "/login" || text == "/logout" {
1075            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1076                return;
1077            };
1078
1079            let connection = thread.read(cx).connection().clone();
1080            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1081            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1082            let logout_supported = text == "/logout"
1083                && self
1084                    .available_commands
1085                    .borrow()
1086                    .iter()
1087                    .any(|command| command.name == "logout");
1088            if can_login && !logout_supported {
1089                self.message_editor
1090                    .update(cx, |editor, cx| editor.clear(window, cx));
1091
1092                let this = cx.weak_entity();
1093                let agent = self.agent.clone();
1094                window.defer(cx, |window, cx| {
1095                    Self::handle_auth_required(
1096                        this,
1097                        AuthRequired::new(),
1098                        agent,
1099                        connection,
1100                        window,
1101                        cx,
1102                    );
1103                });
1104                cx.notify();
1105                return;
1106            }
1107        }
1108
1109        self.send_impl(self.message_editor.clone(), window, cx)
1110    }
1111
1112    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1113        let Some(thread) = self.thread().cloned() else {
1114            return;
1115        };
1116
1117        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1118
1119        cx.spawn_in(window, async move |this, cx| {
1120            cancelled.await;
1121
1122            this.update_in(cx, |this, window, cx| {
1123                this.send_impl(this.message_editor.clone(), window, cx);
1124            })
1125            .ok();
1126        })
1127        .detach();
1128    }
1129
1130    fn send_impl(
1131        &mut self,
1132        message_editor: Entity<MessageEditor>,
1133        window: &mut Window,
1134        cx: &mut Context<Self>,
1135    ) {
1136        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1137            // Include full contents when using minimal profile
1138            let thread = thread.read(cx);
1139            AgentSettings::get_global(cx)
1140                .profiles
1141                .get(thread.profile())
1142                .is_some_and(|profile| profile.tools.is_empty())
1143        });
1144
1145        let contents = message_editor.update(cx, |message_editor, cx| {
1146            message_editor.contents(full_mention_content, cx)
1147        });
1148
1149        self.thread_error.take();
1150        self.editing_message.take();
1151        self.thread_feedback.clear();
1152
1153        let Some(thread) = self.thread() else {
1154            return;
1155        };
1156        let session_id = thread.read(cx).session_id().clone();
1157        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
1158        let thread = thread.downgrade();
1159        if self.should_be_following {
1160            self.workspace
1161                .update(cx, |workspace, cx| {
1162                    workspace.follow(CollaboratorId::Agent, window, cx);
1163                })
1164                .ok();
1165        }
1166
1167        self.is_loading_contents = true;
1168        let model_id = self.current_model_id(cx);
1169        let mode_id = self.current_mode_id(cx);
1170        let guard = cx.new(|_| ());
1171        cx.observe_release(&guard, |this, _guard, cx| {
1172            this.is_loading_contents = false;
1173            cx.notify();
1174        })
1175        .detach();
1176
1177        let task = cx.spawn_in(window, async move |this, cx| {
1178            let (contents, tracked_buffers) = contents.await?;
1179
1180            if contents.is_empty() {
1181                return Ok(());
1182            }
1183
1184            this.update_in(cx, |this, window, cx| {
1185                this.in_flight_prompt = Some(contents.clone());
1186                this.set_editor_is_expanded(false, cx);
1187                this.scroll_to_bottom(cx);
1188                this.message_editor.update(cx, |message_editor, cx| {
1189                    message_editor.clear(window, cx);
1190                });
1191            })?;
1192            let turn_start_time = Instant::now();
1193            let send = thread.update(cx, |thread, cx| {
1194                thread.action_log().update(cx, |action_log, cx| {
1195                    for buffer in tracked_buffers {
1196                        action_log.buffer_read(buffer, cx)
1197                    }
1198                });
1199                drop(guard);
1200
1201                telemetry::event!(
1202                    "Agent Message Sent",
1203                    agent = agent_telemetry_id,
1204                    session = session_id,
1205                    model = model_id,
1206                    mode = mode_id
1207                );
1208
1209                thread.send(contents, cx)
1210            })?;
1211            let res = send.await;
1212            let turn_time_ms = turn_start_time.elapsed().as_millis();
1213            let status = if res.is_ok() {
1214                this.update(cx, |this, _| this.in_flight_prompt.take()).ok();
1215                "success"
1216            } else {
1217                "failure"
1218            };
1219            telemetry::event!(
1220                "Agent Turn Completed",
1221                agent = agent_telemetry_id,
1222                session = session_id,
1223                model = model_id,
1224                mode = mode_id,
1225                status,
1226                turn_time_ms,
1227            );
1228            res
1229        });
1230
1231        cx.spawn(async move |this, cx| {
1232            if let Err(err) = task.await {
1233                this.update(cx, |this, cx| {
1234                    this.handle_thread_error(err, cx);
1235                })
1236                .ok();
1237            } else {
1238                this.update(cx, |this, cx| {
1239                    this.should_be_following = this
1240                        .workspace
1241                        .update(cx, |workspace, _| {
1242                            workspace.is_being_followed(CollaboratorId::Agent)
1243                        })
1244                        .unwrap_or_default();
1245                })
1246                .ok();
1247            }
1248        })
1249        .detach();
1250    }
1251
1252    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1253        let Some(thread) = self.thread().cloned() else {
1254            return;
1255        };
1256
1257        if let Some(index) = self.editing_message.take()
1258            && let Some(editor) = self
1259                .entry_view_state
1260                .read(cx)
1261                .entry(index)
1262                .and_then(|e| e.message_editor())
1263                .cloned()
1264        {
1265            editor.update(cx, |editor, cx| {
1266                if let Some(user_message) = thread
1267                    .read(cx)
1268                    .entries()
1269                    .get(index)
1270                    .and_then(|e| e.user_message())
1271                {
1272                    editor.set_message(user_message.chunks.clone(), window, cx);
1273                }
1274            })
1275        };
1276        self.focus_handle(cx).focus(window, cx);
1277        cx.notify();
1278    }
1279
1280    fn regenerate(
1281        &mut self,
1282        entry_ix: usize,
1283        message_editor: Entity<MessageEditor>,
1284        window: &mut Window,
1285        cx: &mut Context<Self>,
1286    ) {
1287        let Some(thread) = self.thread().cloned() else {
1288            return;
1289        };
1290        if self.is_loading_contents {
1291            return;
1292        }
1293
1294        let Some(user_message_id) = thread.update(cx, |thread, _| {
1295            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1296        }) else {
1297            return;
1298        };
1299
1300        cx.spawn_in(window, async move |this, cx| {
1301            // Check if there are any edits from prompts before the one being regenerated.
1302            //
1303            // If there are, we keep/accept them since we're not regenerating the prompt that created them.
1304            //
1305            // If editing the prompt that generated the edits, they are auto-rejected
1306            // through the `rewind` function in the `acp_thread`.
1307            let has_earlier_edits = thread.read_with(cx, |thread, _| {
1308                thread
1309                    .entries()
1310                    .iter()
1311                    .take(entry_ix)
1312                    .any(|entry| entry.diffs().next().is_some())
1313            })?;
1314
1315            if has_earlier_edits {
1316                thread.update(cx, |thread, cx| {
1317                    thread.action_log().update(cx, |action_log, cx| {
1318                        action_log.keep_all_edits(None, cx);
1319                    });
1320                })?;
1321            }
1322
1323            thread
1324                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1325                .await?;
1326            this.update_in(cx, |this, window, cx| {
1327                this.send_impl(message_editor, window, cx);
1328                this.focus_handle(cx).focus(window, cx);
1329            })?;
1330            anyhow::Ok(())
1331        })
1332        .detach_and_log_err(cx);
1333    }
1334
1335    fn open_edited_buffer(
1336        &mut self,
1337        buffer: &Entity<Buffer>,
1338        window: &mut Window,
1339        cx: &mut Context<Self>,
1340    ) {
1341        let Some(thread) = self.thread() else {
1342            return;
1343        };
1344
1345        let Some(diff) =
1346            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1347        else {
1348            return;
1349        };
1350
1351        diff.update(cx, |diff, cx| {
1352            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1353        })
1354    }
1355
1356    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1357        let Some(thread) = self.as_native_thread(cx) else {
1358            return;
1359        };
1360        let project_context = thread.read(cx).project_context().read(cx);
1361
1362        let project_entry_ids = project_context
1363            .worktrees
1364            .iter()
1365            .flat_map(|worktree| worktree.rules_file.as_ref())
1366            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1367            .collect::<Vec<_>>();
1368
1369        self.workspace
1370            .update(cx, move |workspace, cx| {
1371                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1372                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1373                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1374                let project = workspace.project().read(cx);
1375                let project_paths = project_entry_ids
1376                    .into_iter()
1377                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1378                    .collect::<Vec<_>>();
1379                for project_path in project_paths {
1380                    workspace
1381                        .open_path(project_path, None, true, window, cx)
1382                        .detach_and_log_err(cx);
1383                }
1384            })
1385            .ok();
1386    }
1387
1388    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1389        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1390        cx.notify();
1391    }
1392
1393    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1394        self.thread_error = None;
1395        self.thread_error_markdown = None;
1396        cx.notify();
1397    }
1398
1399    fn handle_thread_event(
1400        &mut self,
1401        thread: &Entity<AcpThread>,
1402        event: &AcpThreadEvent,
1403        window: &mut Window,
1404        cx: &mut Context<Self>,
1405    ) {
1406        match event {
1407            AcpThreadEvent::NewEntry => {
1408                let len = thread.read(cx).entries().len();
1409                let index = len - 1;
1410                self.entry_view_state.update(cx, |view_state, cx| {
1411                    view_state.sync_entry(index, thread, window, cx);
1412                    self.list_state.splice_focusable(
1413                        index..index,
1414                        [view_state
1415                            .entry(index)
1416                            .and_then(|entry| entry.focus_handle(cx))],
1417                    );
1418                });
1419            }
1420            AcpThreadEvent::EntryUpdated(index) => {
1421                self.entry_view_state.update(cx, |view_state, cx| {
1422                    view_state.sync_entry(*index, thread, window, cx)
1423                });
1424            }
1425            AcpThreadEvent::EntriesRemoved(range) => {
1426                self.entry_view_state
1427                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1428                self.list_state.splice(range.clone(), 0);
1429            }
1430            AcpThreadEvent::ToolAuthorizationRequired => {
1431                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1432            }
1433            AcpThreadEvent::Retry(retry) => {
1434                self.thread_retry_status = Some(retry.clone());
1435            }
1436            AcpThreadEvent::Stopped => {
1437                self.thread_retry_status.take();
1438                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1439                self.notify_with_sound(
1440                    if used_tools {
1441                        "Finished running tools"
1442                    } else {
1443                        "New message"
1444                    },
1445                    IconName::ZedAssistant,
1446                    window,
1447                    cx,
1448                );
1449            }
1450            AcpThreadEvent::Refusal => {
1451                self.thread_retry_status.take();
1452                self.thread_error = Some(ThreadError::Refusal);
1453                let model_or_agent_name = self.current_model_name(cx);
1454                let notification_message =
1455                    format!("{} refused to respond to this request", model_or_agent_name);
1456                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1457            }
1458            AcpThreadEvent::Error => {
1459                self.thread_retry_status.take();
1460                self.notify_with_sound(
1461                    "Agent stopped due to an error",
1462                    IconName::Warning,
1463                    window,
1464                    cx,
1465                );
1466            }
1467            AcpThreadEvent::LoadError(error) => {
1468                self.thread_retry_status.take();
1469                self.thread_state = ThreadState::LoadError(error.clone());
1470                if self.message_editor.focus_handle(cx).is_focused(window) {
1471                    self.focus_handle.focus(window, cx)
1472                }
1473            }
1474            AcpThreadEvent::TitleUpdated => {
1475                let title = thread.read(cx).title();
1476                if let Some(title_editor) = self.title_editor() {
1477                    title_editor.update(cx, |editor, cx| {
1478                        if editor.text(cx) != title {
1479                            editor.set_text(title, window, cx);
1480                        }
1481                    });
1482                }
1483            }
1484            AcpThreadEvent::PromptCapabilitiesUpdated => {
1485                self.prompt_capabilities
1486                    .replace(thread.read(cx).prompt_capabilities());
1487            }
1488            AcpThreadEvent::TokenUsageUpdated => {}
1489            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1490                let mut available_commands = available_commands.clone();
1491
1492                if thread
1493                    .read(cx)
1494                    .connection()
1495                    .auth_methods()
1496                    .iter()
1497                    .any(|method| method.id.0.as_ref() == "claude-login")
1498                {
1499                    available_commands.push(acp::AvailableCommand::new("login", "Authenticate"));
1500                    available_commands.push(acp::AvailableCommand::new("logout", "Authenticate"));
1501                }
1502
1503                let has_commands = !available_commands.is_empty();
1504                self.available_commands.replace(available_commands);
1505
1506                let agent_display_name = self
1507                    .agent_server_store
1508                    .read(cx)
1509                    .agent_display_name(&ExternalAgentServerName(self.agent.name()))
1510                    .unwrap_or_else(|| self.agent.name());
1511
1512                let new_placeholder = placeholder_text(agent_display_name.as_ref(), has_commands);
1513
1514                self.message_editor.update(cx, |editor, cx| {
1515                    editor.set_placeholder_text(&new_placeholder, window, cx);
1516                });
1517            }
1518            AcpThreadEvent::ModeUpdated(_mode) => {
1519                // The connection keeps track of the mode
1520                cx.notify();
1521            }
1522        }
1523        cx.notify();
1524    }
1525
1526    fn authenticate(
1527        &mut self,
1528        method: acp::AuthMethodId,
1529        window: &mut Window,
1530        cx: &mut Context<Self>,
1531    ) {
1532        let ThreadState::Unauthenticated {
1533            connection,
1534            pending_auth_method,
1535            configuration_view,
1536            ..
1537        } = &mut self.thread_state
1538        else {
1539            return;
1540        };
1541        let agent_telemetry_id = connection.telemetry_id();
1542
1543        // Check for the experimental "terminal-auth" _meta field
1544        let auth_method = connection.auth_methods().iter().find(|m| m.id == method);
1545
1546        if let Some(auth_method) = auth_method {
1547            if let Some(meta) = &auth_method.meta {
1548                if let Some(terminal_auth) = meta.get("terminal-auth") {
1549                    // Extract terminal auth details from meta
1550                    if let (Some(command), Some(label)) = (
1551                        terminal_auth.get("command").and_then(|v| v.as_str()),
1552                        terminal_auth.get("label").and_then(|v| v.as_str()),
1553                    ) {
1554                        let args = terminal_auth
1555                            .get("args")
1556                            .and_then(|v| v.as_array())
1557                            .map(|arr| {
1558                                arr.iter()
1559                                    .filter_map(|v| v.as_str().map(String::from))
1560                                    .collect()
1561                            })
1562                            .unwrap_or_default();
1563
1564                        let env = terminal_auth
1565                            .get("env")
1566                            .and_then(|v| v.as_object())
1567                            .map(|obj| {
1568                                obj.iter()
1569                                    .filter_map(|(k, v)| {
1570                                        v.as_str().map(|val| (k.clone(), val.to_string()))
1571                                    })
1572                                    .collect::<HashMap<String, String>>()
1573                            })
1574                            .unwrap_or_default();
1575
1576                        // Run SpawnInTerminal in the same dir as the ACP server
1577                        let cwd = connection
1578                            .clone()
1579                            .downcast::<agent_servers::AcpConnection>()
1580                            .map(|acp_conn| acp_conn.root_dir().to_path_buf());
1581
1582                        // Build SpawnInTerminal from _meta
1583                        let login = task::SpawnInTerminal {
1584                            id: task::TaskId(format!("external-agent-{}-login", label)),
1585                            full_label: label.to_string(),
1586                            label: label.to_string(),
1587                            command: Some(command.to_string()),
1588                            args,
1589                            command_label: label.to_string(),
1590                            cwd,
1591                            env,
1592                            use_new_terminal: true,
1593                            allow_concurrent_runs: true,
1594                            hide: task::HideStrategy::Always,
1595                            ..Default::default()
1596                        };
1597
1598                        self.thread_error.take();
1599                        configuration_view.take();
1600                        pending_auth_method.replace(method.clone());
1601
1602                        if let Some(workspace) = self.workspace.upgrade() {
1603                            let project = self.project.clone();
1604                            let authenticate = Self::spawn_external_agent_login(
1605                                login, workspace, project, false, true, window, cx,
1606                            );
1607                            cx.notify();
1608                            self.auth_task = Some(cx.spawn_in(window, {
1609                                async move |this, cx| {
1610                                    let result = authenticate.await;
1611
1612                                    match &result {
1613                                        Ok(_) => telemetry::event!(
1614                                            "Authenticate Agent Succeeded",
1615                                            agent = agent_telemetry_id
1616                                        ),
1617                                        Err(_) => {
1618                                            telemetry::event!(
1619                                                "Authenticate Agent Failed",
1620                                                agent = agent_telemetry_id,
1621                                            )
1622                                        }
1623                                    }
1624
1625                                    this.update_in(cx, |this, window, cx| {
1626                                        if let Err(err) = result {
1627                                            if let ThreadState::Unauthenticated {
1628                                                pending_auth_method,
1629                                                ..
1630                                            } = &mut this.thread_state
1631                                            {
1632                                                pending_auth_method.take();
1633                                            }
1634                                            this.handle_thread_error(err, cx);
1635                                        } else {
1636                                            this.reset(window, cx);
1637                                        }
1638                                        this.auth_task.take()
1639                                    })
1640                                    .ok();
1641                                }
1642                            }));
1643                        }
1644                        return;
1645                    }
1646                }
1647            }
1648        }
1649
1650        if method.0.as_ref() == "gemini-api-key" {
1651            let registry = LanguageModelRegistry::global(cx);
1652            let provider = registry
1653                .read(cx)
1654                .provider(&language_model::GOOGLE_PROVIDER_ID)
1655                .unwrap();
1656            if !provider.is_authenticated(cx) {
1657                let this = cx.weak_entity();
1658                let agent = self.agent.clone();
1659                let connection = connection.clone();
1660                window.defer(cx, |window, cx| {
1661                    Self::handle_auth_required(
1662                        this,
1663                        AuthRequired {
1664                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1665                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1666                        },
1667                        agent,
1668                        connection,
1669                        window,
1670                        cx,
1671                    );
1672                });
1673                return;
1674            }
1675        } else if method.0.as_ref() == "vertex-ai"
1676            && std::env::var("GOOGLE_API_KEY").is_err()
1677            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1678                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1679        {
1680            let this = cx.weak_entity();
1681            let agent = self.agent.clone();
1682            let connection = connection.clone();
1683
1684            window.defer(cx, |window, cx| {
1685                    Self::handle_auth_required(
1686                        this,
1687                        AuthRequired {
1688                            description: Some(
1689                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1690                                    .to_owned(),
1691                            ),
1692                            provider_id: None,
1693                        },
1694                        agent,
1695                        connection,
1696                        window,
1697                        cx,
1698                    )
1699                });
1700            return;
1701        }
1702
1703        self.thread_error.take();
1704        configuration_view.take();
1705        pending_auth_method.replace(method.clone());
1706        let authenticate = if (method.0.as_ref() == "claude-login"
1707            || method.0.as_ref() == "spawn-gemini-cli")
1708            && let Some(login) = self.login.clone()
1709        {
1710            if let Some(workspace) = self.workspace.upgrade() {
1711                let project = self.project.clone();
1712                Self::spawn_external_agent_login(
1713                    login, workspace, project, false, false, window, cx,
1714                )
1715            } else {
1716                Task::ready(Ok(()))
1717            }
1718        } else {
1719            connection.authenticate(method, cx)
1720        };
1721        cx.notify();
1722        self.auth_task = Some(cx.spawn_in(window, {
1723            async move |this, cx| {
1724                let result = authenticate.await;
1725
1726                match &result {
1727                    Ok(_) => telemetry::event!(
1728                        "Authenticate Agent Succeeded",
1729                        agent = agent_telemetry_id
1730                    ),
1731                    Err(_) => {
1732                        telemetry::event!("Authenticate Agent Failed", agent = agent_telemetry_id,)
1733                    }
1734                }
1735
1736                this.update_in(cx, |this, window, cx| {
1737                    if let Err(err) = result {
1738                        if let ThreadState::Unauthenticated {
1739                            pending_auth_method,
1740                            ..
1741                        } = &mut this.thread_state
1742                        {
1743                            pending_auth_method.take();
1744                        }
1745                        this.handle_thread_error(err, cx);
1746                    } else {
1747                        this.reset(window, cx);
1748                    }
1749                    this.auth_task.take()
1750                })
1751                .ok();
1752            }
1753        }));
1754    }
1755
1756    fn spawn_external_agent_login(
1757        login: task::SpawnInTerminal,
1758        workspace: Entity<Workspace>,
1759        project: Entity<Project>,
1760        previous_attempt: bool,
1761        check_exit_code: bool,
1762        window: &mut Window,
1763        cx: &mut App,
1764    ) -> Task<Result<()>> {
1765        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1766            return Task::ready(Ok(()));
1767        };
1768
1769        window.spawn(cx, async move |cx| {
1770            let mut task = login.clone();
1771            if let Some(cmd) = &task.command {
1772                // Have "node" command use Zed's managed Node runtime by default
1773                if cmd == "node" {
1774                    let resolved_node_runtime = project
1775                        .update(cx, |project, cx| {
1776                            let agent_server_store = project.agent_server_store().clone();
1777                            agent_server_store.update(cx, |store, cx| {
1778                                store.node_runtime().map(|node_runtime| {
1779                                    cx.background_spawn(async move {
1780                                        node_runtime.binary_path().await
1781                                    })
1782                                })
1783                            })
1784                        });
1785
1786                    if let Ok(Some(resolve_task)) = resolved_node_runtime {
1787                        if let Ok(node_path) = resolve_task.await {
1788                            task.command = Some(node_path.to_string_lossy().to_string());
1789                        }
1790                    }
1791                }
1792            }
1793            task.shell = task::Shell::WithArguments {
1794                program: task.command.take().expect("login command should be set"),
1795                args: std::mem::take(&mut task.args),
1796                title_override: None
1797            };
1798            task.full_label = task.label.clone();
1799            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1800            task.command_label = task.label.clone();
1801            task.use_new_terminal = true;
1802            task.allow_concurrent_runs = true;
1803            task.hide = task::HideStrategy::Always;
1804
1805            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1806                terminal_panel.spawn_task(&task, window, cx)
1807            })?;
1808
1809            let terminal = terminal.await?;
1810
1811            if check_exit_code {
1812                // For extension-based auth, wait for the process to exit and check exit code
1813                let exit_status = terminal
1814                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1815                    .await;
1816
1817                match exit_status {
1818                    Some(status) if status.success() => {
1819                        Ok(())
1820                    }
1821                    Some(status) => {
1822                        Err(anyhow!("Login command failed with exit code: {:?}", status.code()))
1823                    }
1824                    None => {
1825                        Err(anyhow!("Login command terminated without exit status"))
1826                    }
1827                }
1828            } else {
1829                // For hardcoded agents (claude-login, gemini-cli): look for specific output
1830                let mut exit_status = terminal
1831                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1832                    .fuse();
1833
1834                let logged_in = cx
1835                    .spawn({
1836                        let terminal = terminal.clone();
1837                        async move |cx| {
1838                            loop {
1839                                cx.background_executor().timer(Duration::from_secs(1)).await;
1840                                let content =
1841                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1842                                if content.contains("Login successful")
1843                                    || content.contains("Type your message")
1844                                {
1845                                    return anyhow::Ok(());
1846                                }
1847                            }
1848                        }
1849                    })
1850                    .fuse();
1851                futures::pin_mut!(logged_in);
1852                futures::select_biased! {
1853                    result = logged_in => {
1854                        if let Err(e) = result {
1855                            log::error!("{e}");
1856                            return Err(anyhow!("exited before logging in"));
1857                        }
1858                    }
1859                    _ = exit_status => {
1860                        if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1861                            return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, project.clone(), true, false, window, cx))?.await
1862                        }
1863                        return Err(anyhow!("exited before logging in"));
1864                    }
1865                }
1866                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1867                Ok(())
1868            }
1869        })
1870    }
1871
1872    pub fn has_user_submitted_prompt(&self, cx: &App) -> bool {
1873        self.thread().is_some_and(|thread| {
1874            thread.read(cx).entries().iter().any(|entry| {
1875                matches!(
1876                    entry,
1877                    AgentThreadEntry::UserMessage(user_message) if user_message.id.is_some()
1878                )
1879            })
1880        })
1881    }
1882
1883    fn authorize_tool_call(
1884        &mut self,
1885        tool_call_id: acp::ToolCallId,
1886        option_id: acp::PermissionOptionId,
1887        option_kind: acp::PermissionOptionKind,
1888        window: &mut Window,
1889        cx: &mut Context<Self>,
1890    ) {
1891        let Some(thread) = self.thread() else {
1892            return;
1893        };
1894        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
1895
1896        telemetry::event!(
1897            "Agent Tool Call Authorized",
1898            agent = agent_telemetry_id,
1899            session = thread.read(cx).session_id(),
1900            option = option_kind
1901        );
1902
1903        thread.update(cx, |thread, cx| {
1904            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1905        });
1906        if self.should_be_following {
1907            self.workspace
1908                .update(cx, |workspace, cx| {
1909                    workspace.follow(CollaboratorId::Agent, window, cx);
1910                })
1911                .ok();
1912        }
1913        cx.notify();
1914    }
1915
1916    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1917        let Some(thread) = self.thread() else {
1918            return;
1919        };
1920
1921        thread
1922            .update(cx, |thread, cx| {
1923                thread.restore_checkpoint(message_id.clone(), cx)
1924            })
1925            .detach_and_log_err(cx);
1926    }
1927
1928    fn render_entry(
1929        &self,
1930        entry_ix: usize,
1931        total_entries: usize,
1932        entry: &AgentThreadEntry,
1933        window: &mut Window,
1934        cx: &Context<Self>,
1935    ) -> AnyElement {
1936        let is_indented = entry.is_indented();
1937        let is_first_indented = is_indented
1938            && self.thread().is_some_and(|thread| {
1939                thread
1940                    .read(cx)
1941                    .entries()
1942                    .get(entry_ix.saturating_sub(1))
1943                    .is_none_or(|entry| !entry.is_indented())
1944            });
1945
1946        let primary = match &entry {
1947            AgentThreadEntry::UserMessage(message) => {
1948                let Some(editor) = self
1949                    .entry_view_state
1950                    .read(cx)
1951                    .entry(entry_ix)
1952                    .and_then(|entry| entry.message_editor())
1953                    .cloned()
1954                else {
1955                    return Empty.into_any_element();
1956                };
1957
1958                let editing = self.editing_message == Some(entry_ix);
1959                let editor_focus = editor.focus_handle(cx).is_focused(window);
1960                let focus_border = cx.theme().colors().border_focused;
1961
1962                let rules_item = if entry_ix == 0 {
1963                    self.render_rules_item(cx)
1964                } else {
1965                    None
1966                };
1967
1968                let has_checkpoint_button = message
1969                    .checkpoint
1970                    .as_ref()
1971                    .is_some_and(|checkpoint| checkpoint.show);
1972
1973                let agent_name = self.agent.name();
1974
1975                v_flex()
1976                    .id(("user_message", entry_ix))
1977                    .map(|this| {
1978                        if is_first_indented {
1979                            this.pt_0p5()
1980                        } else if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1981                            this.pt(rems_from_px(18.))
1982                        } else if rules_item.is_some() {
1983                            this.pt_3()
1984                        } else {
1985                            this.pt_2()
1986                        }
1987                    })
1988                    .pb_3()
1989                    .px_2()
1990                    .gap_1p5()
1991                    .w_full()
1992                    .children(rules_item)
1993                    .children(message.id.clone().and_then(|message_id| {
1994                        message.checkpoint.as_ref()?.show.then(|| {
1995                            h_flex()
1996                                .px_3()
1997                                .gap_2()
1998                                .child(Divider::horizontal())
1999                                .child(
2000                                    Button::new("restore-checkpoint", "Restore Checkpoint")
2001                                        .icon(IconName::Undo)
2002                                        .icon_size(IconSize::XSmall)
2003                                        .icon_position(IconPosition::Start)
2004                                        .label_size(LabelSize::XSmall)
2005                                        .icon_color(Color::Muted)
2006                                        .color(Color::Muted)
2007                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
2008                                        .on_click(cx.listener(move |this, _, _window, cx| {
2009                                            this.restore_checkpoint(&message_id, cx);
2010                                        }))
2011                                )
2012                                .child(Divider::horizontal())
2013                        })
2014                    }))
2015                    .child(
2016                        div()
2017                            .relative()
2018                            .child(
2019                                div()
2020                                    .py_3()
2021                                    .px_2()
2022                                    .rounded_md()
2023                                    .shadow_md()
2024                                    .bg(cx.theme().colors().editor_background)
2025                                    .border_1()
2026                                    .when(is_indented, |this| {
2027                                        this.py_2().px_2().shadow_sm()
2028                                    })
2029                                    .when(editing && !editor_focus, |this| this.border_dashed())
2030                                    .border_color(cx.theme().colors().border)
2031                                    .map(|this|{
2032                                        if editing && editor_focus {
2033                                            this.border_color(focus_border)
2034                                        } else if message.id.is_some() {
2035                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
2036                                        } else {
2037                                            this
2038                                        }
2039                                    })
2040                                    .text_xs()
2041                                    .child(editor.clone().into_any_element()),
2042                            )
2043                            .when(editor_focus, |this| {
2044                                let base_container = h_flex()
2045                                    .absolute()
2046                                    .top_neg_3p5()
2047                                    .right_3()
2048                                    .gap_1()
2049                                    .rounded_sm()
2050                                    .border_1()
2051                                    .border_color(cx.theme().colors().border)
2052                                    .bg(cx.theme().colors().editor_background)
2053                                    .overflow_hidden();
2054
2055                                if message.id.is_some() {
2056                                    this.child(
2057                                        base_container
2058                                            .child(
2059                                                IconButton::new("cancel", IconName::Close)
2060                                                    .disabled(self.is_loading_contents)
2061                                                    .icon_color(Color::Error)
2062                                                    .icon_size(IconSize::XSmall)
2063                                                    .on_click(cx.listener(Self::cancel_editing))
2064                                            )
2065                                            .child(
2066                                                if self.is_loading_contents {
2067                                                    div()
2068                                                        .id("loading-edited-message-content")
2069                                                        .tooltip(Tooltip::text("Loading Added Context…"))
2070                                                        .child(loading_contents_spinner(IconSize::XSmall))
2071                                                        .into_any_element()
2072                                                } else {
2073                                                    IconButton::new("regenerate", IconName::Return)
2074                                                        .icon_color(Color::Muted)
2075                                                        .icon_size(IconSize::XSmall)
2076                                                        .tooltip(Tooltip::text(
2077                                                            "Editing will restart the thread from this point."
2078                                                        ))
2079                                                        .on_click(cx.listener({
2080                                                            let editor = editor.clone();
2081                                                            move |this, _, window, cx| {
2082                                                                this.regenerate(
2083                                                                    entry_ix, editor.clone(), window, cx,
2084                                                                );
2085                                                            }
2086                                                        })).into_any_element()
2087                                                }
2088                                            )
2089                                    )
2090                                } else {
2091                                    this.child(
2092                                        base_container
2093                                            .border_dashed()
2094                                            .child(
2095                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
2096                                                    .icon_size(IconSize::Small)
2097                                                    .icon_color(Color::Muted)
2098                                                    .style(ButtonStyle::Transparent)
2099                                                    .tooltip(Tooltip::element({
2100                                                        move |_, _| {
2101                                                            v_flex()
2102                                                                .gap_1()
2103                                                                .child(Label::new("Unavailable Editing")).child(
2104                                                                    div().max_w_64().child(
2105                                                                        Label::new(format!(
2106                                                                            "Editing previous messages is not available for {} yet.",
2107                                                                            agent_name.clone()
2108                                                                        ))
2109                                                                        .size(LabelSize::Small)
2110                                                                        .color(Color::Muted),
2111                                                                    ),
2112                                                                )
2113                                                                .into_any_element()
2114                                                        }
2115                                                    }))
2116                                            )
2117                                    )
2118                                }
2119                            }),
2120                    )
2121                    .into_any()
2122            }
2123            AgentThreadEntry::AssistantMessage(AssistantMessage {
2124                chunks,
2125                indented: _,
2126            }) => {
2127                let mut is_blank = true;
2128                let is_last = entry_ix + 1 == total_entries;
2129
2130                let style = default_markdown_style(false, false, window, cx);
2131                let message_body = v_flex()
2132                    .w_full()
2133                    .gap_3()
2134                    .children(chunks.iter().enumerate().filter_map(
2135                        |(chunk_ix, chunk)| match chunk {
2136                            AssistantMessageChunk::Message { block } => {
2137                                block.markdown().and_then(|md| {
2138                                    let this_is_blank = md.read(cx).source().trim().is_empty();
2139                                    is_blank = is_blank && this_is_blank;
2140                                    if this_is_blank {
2141                                        return None;
2142                                    }
2143
2144                                    Some(
2145                                        self.render_markdown(md.clone(), style.clone())
2146                                            .into_any_element(),
2147                                    )
2148                                })
2149                            }
2150                            AssistantMessageChunk::Thought { block } => {
2151                                block.markdown().and_then(|md| {
2152                                    let this_is_blank = md.read(cx).source().trim().is_empty();
2153                                    is_blank = is_blank && this_is_blank;
2154                                    if this_is_blank {
2155                                        return None;
2156                                    }
2157
2158                                    Some(
2159                                        self.render_thinking_block(
2160                                            entry_ix,
2161                                            chunk_ix,
2162                                            md.clone(),
2163                                            window,
2164                                            cx,
2165                                        )
2166                                        .into_any_element(),
2167                                    )
2168                                })
2169                            }
2170                        },
2171                    ))
2172                    .into_any();
2173
2174                if is_blank {
2175                    Empty.into_any()
2176                } else {
2177                    v_flex()
2178                        .px_5()
2179                        .py_1p5()
2180                        .when(is_last, |this| this.pb_4())
2181                        .w_full()
2182                        .text_ui(cx)
2183                        .child(message_body)
2184                        .into_any()
2185                }
2186            }
2187            AgentThreadEntry::ToolCall(tool_call) => {
2188                let has_terminals = tool_call.terminals().next().is_some();
2189
2190                div()
2191                    .w_full()
2192                    .map(|this| {
2193                        if has_terminals {
2194                            this.children(tool_call.terminals().map(|terminal| {
2195                                self.render_terminal_tool_call(
2196                                    entry_ix, terminal, tool_call, window, cx,
2197                                )
2198                            }))
2199                        } else {
2200                            this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
2201                        }
2202                    })
2203                    .into_any()
2204            }
2205        };
2206
2207        let primary = if is_indented {
2208            let line_top = if is_first_indented {
2209                rems_from_px(-12.0)
2210            } else {
2211                rems_from_px(0.0)
2212            };
2213
2214            div()
2215                .relative()
2216                .w_full()
2217                .pl_5()
2218                .bg(cx.theme().colors().panel_background.opacity(0.2))
2219                .child(
2220                    div()
2221                        .absolute()
2222                        .left(rems_from_px(18.0))
2223                        .top(line_top)
2224                        .bottom_0()
2225                        .w_px()
2226                        .bg(cx.theme().colors().border.opacity(0.6)),
2227                )
2228                .child(primary)
2229                .into_any_element()
2230        } else {
2231            primary
2232        };
2233
2234        let needs_confirmation = if let AgentThreadEntry::ToolCall(tool_call) = entry {
2235            matches!(
2236                tool_call.status,
2237                ToolCallStatus::WaitingForConfirmation { .. }
2238            )
2239        } else {
2240            false
2241        };
2242
2243        let Some(thread) = self.thread() else {
2244            return primary;
2245        };
2246
2247        let primary = if entry_ix == total_entries - 1 {
2248            v_flex()
2249                .w_full()
2250                .child(primary)
2251                .map(|this| {
2252                    if needs_confirmation {
2253                        this.child(self.render_generating(true))
2254                    } else {
2255                        this.child(self.render_thread_controls(&thread, cx))
2256                    }
2257                })
2258                .when_some(
2259                    self.thread_feedback.comments_editor.clone(),
2260                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
2261                )
2262                .into_any_element()
2263        } else {
2264            primary
2265        };
2266
2267        if let Some(editing_index) = self.editing_message.as_ref()
2268            && *editing_index < entry_ix
2269        {
2270            let backdrop = div()
2271                .id(("backdrop", entry_ix))
2272                .size_full()
2273                .absolute()
2274                .inset_0()
2275                .bg(cx.theme().colors().panel_background)
2276                .opacity(0.8)
2277                .block_mouse_except_scroll()
2278                .on_click(cx.listener(Self::cancel_editing));
2279
2280            div()
2281                .relative()
2282                .child(primary)
2283                .child(backdrop)
2284                .into_any_element()
2285        } else {
2286            primary
2287        }
2288    }
2289
2290    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2291        cx.theme()
2292            .colors()
2293            .element_background
2294            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2295    }
2296
2297    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2298        cx.theme().colors().border.opacity(0.8)
2299    }
2300
2301    fn tool_name_font_size(&self) -> Rems {
2302        rems_from_px(13.)
2303    }
2304
2305    fn render_thinking_block(
2306        &self,
2307        entry_ix: usize,
2308        chunk_ix: usize,
2309        chunk: Entity<Markdown>,
2310        window: &Window,
2311        cx: &Context<Self>,
2312    ) -> AnyElement {
2313        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2314        let card_header_id = SharedString::from("inner-card-header");
2315
2316        let key = (entry_ix, chunk_ix);
2317
2318        let is_open = self.expanded_thinking_blocks.contains(&key);
2319
2320        let scroll_handle = self
2321            .entry_view_state
2322            .read(cx)
2323            .entry(entry_ix)
2324            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2325
2326        let thinking_content = {
2327            div()
2328                .id(("thinking-content", chunk_ix))
2329                .when_some(scroll_handle, |this, scroll_handle| {
2330                    this.track_scroll(&scroll_handle)
2331                })
2332                .text_ui_sm(cx)
2333                .overflow_hidden()
2334                .child(
2335                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2336                )
2337        };
2338
2339        v_flex()
2340            .gap_1()
2341            .child(
2342                h_flex()
2343                    .id(header_id)
2344                    .group(&card_header_id)
2345                    .relative()
2346                    .w_full()
2347                    .pr_1()
2348                    .justify_between()
2349                    .child(
2350                        h_flex()
2351                            .h(window.line_height() - px(2.))
2352                            .gap_1p5()
2353                            .overflow_hidden()
2354                            .child(
2355                                Icon::new(IconName::ToolThink)
2356                                    .size(IconSize::Small)
2357                                    .color(Color::Muted),
2358                            )
2359                            .child(
2360                                div()
2361                                    .text_size(self.tool_name_font_size())
2362                                    .text_color(cx.theme().colors().text_muted)
2363                                    .child("Thinking"),
2364                            ),
2365                    )
2366                    .child(
2367                        Disclosure::new(("expand", entry_ix), is_open)
2368                            .opened_icon(IconName::ChevronUp)
2369                            .closed_icon(IconName::ChevronDown)
2370                            .visible_on_hover(&card_header_id)
2371                            .on_click(cx.listener({
2372                                move |this, _event, _window, cx| {
2373                                    if is_open {
2374                                        this.expanded_thinking_blocks.remove(&key);
2375                                    } else {
2376                                        this.expanded_thinking_blocks.insert(key);
2377                                    }
2378                                    cx.notify();
2379                                }
2380                            })),
2381                    )
2382                    .on_click(cx.listener({
2383                        move |this, _event, _window, cx| {
2384                            if is_open {
2385                                this.expanded_thinking_blocks.remove(&key);
2386                            } else {
2387                                this.expanded_thinking_blocks.insert(key);
2388                            }
2389                            cx.notify();
2390                        }
2391                    })),
2392            )
2393            .when(is_open, |this| {
2394                this.child(
2395                    div()
2396                        .ml_1p5()
2397                        .pl_3p5()
2398                        .border_l_1()
2399                        .border_color(self.tool_card_border_color(cx))
2400                        .child(thinking_content),
2401                )
2402            })
2403            .into_any_element()
2404    }
2405
2406    fn render_tool_call(
2407        &self,
2408        entry_ix: usize,
2409        tool_call: &ToolCall,
2410        window: &Window,
2411        cx: &Context<Self>,
2412    ) -> Div {
2413        let has_location = tool_call.locations.len() == 1;
2414        let card_header_id = SharedString::from("inner-tool-call-header");
2415
2416        let failed_or_canceled = match &tool_call.status {
2417            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2418            _ => false,
2419        };
2420
2421        let needs_confirmation = matches!(
2422            tool_call.status,
2423            ToolCallStatus::WaitingForConfirmation { .. }
2424        );
2425        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2426        let is_edit =
2427            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2428
2429        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2430
2431        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2432
2433        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2434        let input_output_header = |label: SharedString| {
2435            Label::new(label)
2436                .size(LabelSize::XSmall)
2437                .color(Color::Muted)
2438                .buffer_font(cx)
2439        };
2440
2441        let tool_output_display =
2442            if is_open {
2443                match &tool_call.status {
2444                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2445                        .w_full()
2446                        .children(tool_call.content.iter().enumerate().map(
2447                            |(content_ix, content)| {
2448                                div()
2449                                    .child(self.render_tool_call_content(
2450                                        entry_ix,
2451                                        content,
2452                                        content_ix,
2453                                        tool_call,
2454                                        use_card_layout,
2455                                        window,
2456                                        cx,
2457                                    ))
2458                                    .into_any_element()
2459                            },
2460                        ))
2461                        .child(self.render_permission_buttons(
2462                            tool_call.kind,
2463                            options,
2464                            entry_ix,
2465                            tool_call.id.clone(),
2466                            cx,
2467                        ))
2468                        .into_any(),
2469                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2470                        if is_edit
2471                            && tool_call.content.is_empty()
2472                            && self.as_native_connection(cx).is_some() =>
2473                    {
2474                        self.render_diff_loading(cx).into_any()
2475                    }
2476                    ToolCallStatus::Pending
2477                    | ToolCallStatus::InProgress
2478                    | ToolCallStatus::Completed
2479                    | ToolCallStatus::Failed
2480                    | ToolCallStatus::Canceled => v_flex()
2481                        .when(!is_edit && !is_terminal_tool, |this| {
2482                            this.mt_1p5().w_full().child(
2483                                v_flex()
2484                                    .ml(rems(0.4))
2485                                    .px_3p5()
2486                                    .pb_1()
2487                                    .gap_1()
2488                                    .border_l_1()
2489                                    .border_color(self.tool_card_border_color(cx))
2490                                    .child(input_output_header("Raw Input:".into()))
2491                                    .children(tool_call.raw_input_markdown.clone().map(|input| {
2492                                        div().id(("tool-call-raw-input-markdown", entry_ix)).child(
2493                                            self.render_markdown(
2494                                                input,
2495                                                default_markdown_style(false, false, window, cx),
2496                                            ),
2497                                        )
2498                                    }))
2499                                    .child(input_output_header("Output:".into())),
2500                            )
2501                        })
2502                        .children(tool_call.content.iter().enumerate().map(
2503                            |(content_ix, content)| {
2504                                div().id(("tool-call-output", entry_ix)).child(
2505                                    self.render_tool_call_content(
2506                                        entry_ix,
2507                                        content,
2508                                        content_ix,
2509                                        tool_call,
2510                                        use_card_layout,
2511                                        window,
2512                                        cx,
2513                                    ),
2514                                )
2515                            },
2516                        ))
2517                        .into_any(),
2518                    ToolCallStatus::Rejected => Empty.into_any(),
2519                }
2520                .into()
2521            } else {
2522                None
2523            };
2524
2525        v_flex()
2526            .map(|this| {
2527                if use_card_layout {
2528                    this.my_1p5()
2529                        .rounded_md()
2530                        .border_1()
2531                        .border_color(self.tool_card_border_color(cx))
2532                        .bg(cx.theme().colors().editor_background)
2533                        .overflow_hidden()
2534                } else {
2535                    this.my_1()
2536                }
2537            })
2538            .map(|this| {
2539                if has_location && !use_card_layout {
2540                    this.ml_4()
2541                } else {
2542                    this.ml_5()
2543                }
2544            })
2545            .mr_5()
2546            .map(|this| {
2547                if is_terminal_tool {
2548                    this.child(
2549                        v_flex()
2550                            .p_1p5()
2551                            .gap_0p5()
2552                            .text_ui_sm(cx)
2553                            .bg(self.tool_card_header_bg(cx))
2554                            .child(
2555                                Label::new("Run Command")
2556                                    .buffer_font(cx)
2557                                    .size(LabelSize::XSmall)
2558                                    .color(Color::Muted),
2559                            )
2560                            .child(
2561                                MarkdownElement::new(
2562                                    tool_call.label.clone(),
2563                                    terminal_command_markdown_style(window, cx),
2564                                )
2565                                .code_block_renderer(
2566                                    markdown::CodeBlockRenderer::Default {
2567                                        copy_button: false,
2568                                        copy_button_on_hover: false,
2569                                        border: false,
2570                                    },
2571                                )
2572                            ),
2573                    )
2574                } else {
2575                   this.child(
2576                        h_flex()
2577                            .group(&card_header_id)
2578                            .relative()
2579                            .w_full()
2580                            .gap_1()
2581                            .justify_between()
2582                            .when(use_card_layout, |this| {
2583                                this.p_0p5()
2584                                    .rounded_t(rems_from_px(5.))
2585                                    .bg(self.tool_card_header_bg(cx))
2586                            })
2587                            .child(self.render_tool_call_label(
2588                                entry_ix,
2589                                tool_call,
2590                                is_edit,
2591                                use_card_layout,
2592                                window,
2593                                cx,
2594                            ))
2595                            .when(is_collapsible || failed_or_canceled, |this| {
2596                                this.child(
2597                                    h_flex()
2598                                        .px_1()
2599                                        .gap_px()
2600                                        .when(is_collapsible, |this| {
2601                                            this.child(
2602                                            Disclosure::new(("expand-output", entry_ix), is_open)
2603                                                .opened_icon(IconName::ChevronUp)
2604                                                .closed_icon(IconName::ChevronDown)
2605                                                .visible_on_hover(&card_header_id)
2606                                                .on_click(cx.listener({
2607                                                    let id = tool_call.id.clone();
2608                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2609                                                        if is_open {
2610                                                            this.expanded_tool_calls.remove(&id);
2611                                                        } else {
2612                                                            this.expanded_tool_calls.insert(id.clone());
2613                                                        }
2614                                                        cx.notify();
2615                                                    }
2616                                                })),
2617                                        )
2618                                        })
2619                                        .when(failed_or_canceled, |this| {
2620                                            this.child(
2621                                                Icon::new(IconName::Close)
2622                                                    .color(Color::Error)
2623                                                    .size(IconSize::Small),
2624                                            )
2625                                        }),
2626                                )
2627                            }),
2628                    )
2629                }
2630            })
2631            .children(tool_output_display)
2632    }
2633
2634    fn render_tool_call_label(
2635        &self,
2636        entry_ix: usize,
2637        tool_call: &ToolCall,
2638        is_edit: bool,
2639        use_card_layout: bool,
2640        window: &Window,
2641        cx: &Context<Self>,
2642    ) -> Div {
2643        let has_location = tool_call.locations.len() == 1;
2644
2645        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2646            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2647                .map(Icon::from_path)
2648                .unwrap_or(Icon::new(IconName::ToolPencil))
2649        } else {
2650            Icon::new(match tool_call.kind {
2651                acp::ToolKind::Read => IconName::ToolSearch,
2652                acp::ToolKind::Edit => IconName::ToolPencil,
2653                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2654                acp::ToolKind::Move => IconName::ArrowRightLeft,
2655                acp::ToolKind::Search => IconName::ToolSearch,
2656                acp::ToolKind::Execute => IconName::ToolTerminal,
2657                acp::ToolKind::Think => IconName::ToolThink,
2658                acp::ToolKind::Fetch => IconName::ToolWeb,
2659                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2660                acp::ToolKind::Other | _ => IconName::ToolHammer,
2661            })
2662        }
2663        .size(IconSize::Small)
2664        .color(Color::Muted);
2665
2666        let gradient_overlay = {
2667            div()
2668                .absolute()
2669                .top_0()
2670                .right_0()
2671                .w_12()
2672                .h_full()
2673                .map(|this| {
2674                    if use_card_layout {
2675                        this.bg(linear_gradient(
2676                            90.,
2677                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2678                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2679                        ))
2680                    } else {
2681                        this.bg(linear_gradient(
2682                            90.,
2683                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2684                            linear_color_stop(
2685                                cx.theme().colors().panel_background.opacity(0.2),
2686                                0.,
2687                            ),
2688                        ))
2689                    }
2690                })
2691        };
2692
2693        h_flex()
2694            .relative()
2695            .w_full()
2696            .h(window.line_height() - px(2.))
2697            .text_size(self.tool_name_font_size())
2698            .gap_1p5()
2699            .when(has_location || use_card_layout, |this| this.px_1())
2700            .when(has_location, |this| {
2701                this.cursor(CursorStyle::PointingHand)
2702                    .rounded(rems_from_px(3.)) // Concentric border radius
2703                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2704            })
2705            .overflow_hidden()
2706            .child(tool_icon)
2707            .child(if has_location {
2708                h_flex()
2709                    .id(("open-tool-call-location", entry_ix))
2710                    .w_full()
2711                    .map(|this| {
2712                        if use_card_layout {
2713                            this.text_color(cx.theme().colors().text)
2714                        } else {
2715                            this.text_color(cx.theme().colors().text_muted)
2716                        }
2717                    })
2718                    .child(self.render_markdown(
2719                        tool_call.label.clone(),
2720                        MarkdownStyle {
2721                            prevent_mouse_interaction: true,
2722                            ..default_markdown_style(false, true, window, cx)
2723                        },
2724                    ))
2725                    .tooltip(Tooltip::text("Go to File"))
2726                    .on_click(cx.listener(move |this, _, window, cx| {
2727                        this.open_tool_call_location(entry_ix, 0, window, cx);
2728                    }))
2729                    .into_any_element()
2730            } else {
2731                h_flex()
2732                    .w_full()
2733                    .child(self.render_markdown(
2734                        tool_call.label.clone(),
2735                        default_markdown_style(false, true, window, cx),
2736                    ))
2737                    .into_any()
2738            })
2739            .when(!is_edit, |this| this.child(gradient_overlay))
2740    }
2741
2742    fn render_tool_call_content(
2743        &self,
2744        entry_ix: usize,
2745        content: &ToolCallContent,
2746        context_ix: usize,
2747        tool_call: &ToolCall,
2748        card_layout: bool,
2749        window: &Window,
2750        cx: &Context<Self>,
2751    ) -> AnyElement {
2752        match content {
2753            ToolCallContent::ContentBlock(content) => {
2754                if let Some(resource_link) = content.resource_link() {
2755                    self.render_resource_link(resource_link, cx)
2756                } else if let Some(markdown) = content.markdown() {
2757                    self.render_markdown_output(
2758                        markdown.clone(),
2759                        tool_call.id.clone(),
2760                        context_ix,
2761                        card_layout,
2762                        window,
2763                        cx,
2764                    )
2765                } else {
2766                    Empty.into_any_element()
2767                }
2768            }
2769            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2770            ToolCallContent::Terminal(terminal) => {
2771                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2772            }
2773        }
2774    }
2775
2776    fn render_markdown_output(
2777        &self,
2778        markdown: Entity<Markdown>,
2779        tool_call_id: acp::ToolCallId,
2780        context_ix: usize,
2781        card_layout: bool,
2782        window: &Window,
2783        cx: &Context<Self>,
2784    ) -> AnyElement {
2785        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2786
2787        v_flex()
2788            .gap_2()
2789            .map(|this| {
2790                if card_layout {
2791                    this.when(context_ix > 0, |this| {
2792                        this.pt_2()
2793                            .border_t_1()
2794                            .border_color(self.tool_card_border_color(cx))
2795                    })
2796                } else {
2797                    this.ml(rems(0.4))
2798                        .px_3p5()
2799                        .border_l_1()
2800                        .border_color(self.tool_card_border_color(cx))
2801                }
2802            })
2803            .text_xs()
2804            .text_color(cx.theme().colors().text_muted)
2805            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2806            .when(!card_layout, |this| {
2807                this.child(
2808                    IconButton::new(button_id, IconName::ChevronUp)
2809                        .full_width()
2810                        .style(ButtonStyle::Outlined)
2811                        .icon_color(Color::Muted)
2812                        .on_click(cx.listener({
2813                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2814                                this.expanded_tool_calls.remove(&tool_call_id);
2815                                cx.notify();
2816                            }
2817                        })),
2818                )
2819            })
2820            .into_any_element()
2821    }
2822
2823    fn render_resource_link(
2824        &self,
2825        resource_link: &acp::ResourceLink,
2826        cx: &Context<Self>,
2827    ) -> AnyElement {
2828        let uri: SharedString = resource_link.uri.clone().into();
2829        let is_file = resource_link.uri.strip_prefix("file://");
2830
2831        let label: SharedString = if let Some(abs_path) = is_file {
2832            if let Some(project_path) = self
2833                .project
2834                .read(cx)
2835                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2836                && let Some(worktree) = self
2837                    .project
2838                    .read(cx)
2839                    .worktree_for_id(project_path.worktree_id, cx)
2840            {
2841                worktree
2842                    .read(cx)
2843                    .full_path(&project_path.path)
2844                    .to_string_lossy()
2845                    .to_string()
2846                    .into()
2847            } else {
2848                abs_path.to_string().into()
2849            }
2850        } else {
2851            uri.clone()
2852        };
2853
2854        let button_id = SharedString::from(format!("item-{}", uri));
2855
2856        div()
2857            .ml(rems(0.4))
2858            .pl_2p5()
2859            .border_l_1()
2860            .border_color(self.tool_card_border_color(cx))
2861            .overflow_hidden()
2862            .child(
2863                Button::new(button_id, label)
2864                    .label_size(LabelSize::Small)
2865                    .color(Color::Muted)
2866                    .truncate(true)
2867                    .when(is_file.is_none(), |this| {
2868                        this.icon(IconName::ArrowUpRight)
2869                            .icon_size(IconSize::XSmall)
2870                            .icon_color(Color::Muted)
2871                    })
2872                    .on_click(cx.listener({
2873                        let workspace = self.workspace.clone();
2874                        move |_, _, window, cx: &mut Context<Self>| {
2875                            Self::open_link(uri.clone(), &workspace, window, cx);
2876                        }
2877                    })),
2878            )
2879            .into_any_element()
2880    }
2881
2882    fn render_permission_buttons(
2883        &self,
2884        kind: acp::ToolKind,
2885        options: &[acp::PermissionOption],
2886        entry_ix: usize,
2887        tool_call_id: acp::ToolCallId,
2888        cx: &Context<Self>,
2889    ) -> Div {
2890        let is_first = self.thread().is_some_and(|thread| {
2891            thread
2892                .read(cx)
2893                .first_tool_awaiting_confirmation()
2894                .is_some_and(|call| call.id == tool_call_id)
2895        });
2896        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2897
2898        div()
2899            .p_1()
2900            .border_t_1()
2901            .border_color(self.tool_card_border_color(cx))
2902            .w_full()
2903            .map(|this| {
2904                if kind == acp::ToolKind::SwitchMode {
2905                    this.v_flex()
2906                } else {
2907                    this.h_flex().justify_end().flex_wrap()
2908                }
2909            })
2910            .gap_0p5()
2911            .children(options.iter().map(move |option| {
2912                let option_id = SharedString::from(option.option_id.0.clone());
2913                Button::new((option_id, entry_ix), option.name.clone())
2914                    .map(|this| {
2915                        let (this, action) = match option.kind {
2916                            acp::PermissionOptionKind::AllowOnce => (
2917                                this.icon(IconName::Check).icon_color(Color::Success),
2918                                Some(&AllowOnce as &dyn Action),
2919                            ),
2920                            acp::PermissionOptionKind::AllowAlways => (
2921                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2922                                Some(&AllowAlways as &dyn Action),
2923                            ),
2924                            acp::PermissionOptionKind::RejectOnce => (
2925                                this.icon(IconName::Close).icon_color(Color::Error),
2926                                Some(&RejectOnce as &dyn Action),
2927                            ),
2928                            acp::PermissionOptionKind::RejectAlways | _ => {
2929                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2930                            }
2931                        };
2932
2933                        let Some(action) = action else {
2934                            return this;
2935                        };
2936
2937                        if !is_first || seen_kinds.contains(&option.kind) {
2938                            return this;
2939                        }
2940
2941                        seen_kinds.push(option.kind);
2942
2943                        this.key_binding(
2944                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
2945                                .map(|kb| kb.size(rems_from_px(10.))),
2946                        )
2947                    })
2948                    .icon_position(IconPosition::Start)
2949                    .icon_size(IconSize::XSmall)
2950                    .label_size(LabelSize::Small)
2951                    .on_click(cx.listener({
2952                        let tool_call_id = tool_call_id.clone();
2953                        let option_id = option.option_id.clone();
2954                        let option_kind = option.kind;
2955                        move |this, _, window, cx| {
2956                            this.authorize_tool_call(
2957                                tool_call_id.clone(),
2958                                option_id.clone(),
2959                                option_kind,
2960                                window,
2961                                cx,
2962                            );
2963                        }
2964                    }))
2965            }))
2966    }
2967
2968    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2969        let bar = |n: u64, width_class: &str| {
2970            let bg_color = cx.theme().colors().element_active;
2971            let base = h_flex().h_1().rounded_full();
2972
2973            let modified = match width_class {
2974                "w_4_5" => base.w_3_4(),
2975                "w_1_4" => base.w_1_4(),
2976                "w_2_4" => base.w_2_4(),
2977                "w_3_5" => base.w_3_5(),
2978                "w_2_5" => base.w_2_5(),
2979                _ => base.w_1_2(),
2980            };
2981
2982            modified.with_animation(
2983                ElementId::Integer(n),
2984                Animation::new(Duration::from_secs(2)).repeat(),
2985                move |tab, delta| {
2986                    let delta = (delta - 0.15 * n as f32) / 0.7;
2987                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2988                    let delta = ease_in_out(delta.clamp(0., 1.));
2989                    let delta = 0.1 + 0.9 * delta;
2990
2991                    tab.bg(bg_color.opacity(delta))
2992                },
2993            )
2994        };
2995
2996        v_flex()
2997            .p_3()
2998            .gap_1()
2999            .rounded_b_md()
3000            .bg(cx.theme().colors().editor_background)
3001            .child(bar(0, "w_4_5"))
3002            .child(bar(1, "w_1_4"))
3003            .child(bar(2, "w_2_4"))
3004            .child(bar(3, "w_3_5"))
3005            .child(bar(4, "w_2_5"))
3006            .into_any_element()
3007    }
3008
3009    fn render_diff_editor(
3010        &self,
3011        entry_ix: usize,
3012        diff: &Entity<acp_thread::Diff>,
3013        tool_call: &ToolCall,
3014        cx: &Context<Self>,
3015    ) -> AnyElement {
3016        let tool_progress = matches!(
3017            &tool_call.status,
3018            ToolCallStatus::InProgress | ToolCallStatus::Pending
3019        );
3020
3021        v_flex()
3022            .h_full()
3023            .border_t_1()
3024            .border_color(self.tool_card_border_color(cx))
3025            .child(
3026                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
3027                    && let Some(editor) = entry.editor_for_diff(diff)
3028                    && diff.read(cx).has_revealed_range(cx)
3029                {
3030                    editor.into_any_element()
3031                } else if tool_progress && self.as_native_connection(cx).is_some() {
3032                    self.render_diff_loading(cx)
3033                } else {
3034                    Empty.into_any()
3035                },
3036            )
3037            .into_any()
3038    }
3039
3040    fn render_terminal_tool_call(
3041        &self,
3042        entry_ix: usize,
3043        terminal: &Entity<acp_thread::Terminal>,
3044        tool_call: &ToolCall,
3045        window: &Window,
3046        cx: &Context<Self>,
3047    ) -> AnyElement {
3048        let terminal_data = terminal.read(cx);
3049        let working_dir = terminal_data.working_dir();
3050        let command = terminal_data.command();
3051        let started_at = terminal_data.started_at();
3052
3053        let tool_failed = matches!(
3054            &tool_call.status,
3055            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
3056        );
3057
3058        let output = terminal_data.output();
3059        let command_finished = output.is_some();
3060        let truncated_output =
3061            output.is_some_and(|output| output.original_content_len > output.content.len());
3062        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
3063
3064        let command_failed = command_finished
3065            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
3066
3067        let time_elapsed = if let Some(output) = output {
3068            output.ended_at.duration_since(started_at)
3069        } else {
3070            started_at.elapsed()
3071        };
3072
3073        let header_id =
3074            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
3075        let header_group = SharedString::from(format!(
3076            "terminal-tool-header-group-{}",
3077            terminal.entity_id()
3078        ));
3079        let header_bg = cx
3080            .theme()
3081            .colors()
3082            .element_background
3083            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
3084        let border_color = cx.theme().colors().border.opacity(0.6);
3085
3086        let working_dir = working_dir
3087            .as_ref()
3088            .map(|path| path.display().to_string())
3089            .unwrap_or_else(|| "current directory".to_string());
3090
3091        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
3092
3093        let header = h_flex()
3094            .id(header_id)
3095            .flex_none()
3096            .gap_1()
3097            .justify_between()
3098            .rounded_t_md()
3099            .child(
3100                div()
3101                    .id(("command-target-path", terminal.entity_id()))
3102                    .w_full()
3103                    .max_w_full()
3104                    .overflow_x_scroll()
3105                    .child(
3106                        Label::new(working_dir)
3107                            .buffer_font(cx)
3108                            .size(LabelSize::XSmall)
3109                            .color(Color::Muted),
3110                    ),
3111            )
3112            .when(!command_finished, |header| {
3113                header
3114                    .gap_1p5()
3115                    .child(
3116                        Button::new(
3117                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
3118                            "Stop",
3119                        )
3120                        .icon(IconName::Stop)
3121                        .icon_position(IconPosition::Start)
3122                        .icon_size(IconSize::Small)
3123                        .icon_color(Color::Error)
3124                        .label_size(LabelSize::Small)
3125                        .tooltip(move |_window, cx| {
3126                            Tooltip::with_meta(
3127                                "Stop This Command",
3128                                None,
3129                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
3130                                cx,
3131                            )
3132                        })
3133                        .on_click({
3134                            let terminal = terminal.clone();
3135                            cx.listener(move |_this, _event, _window, cx| {
3136                                let inner_terminal = terminal.read(cx).inner().clone();
3137                                inner_terminal.update(cx, |inner_terminal, _cx| {
3138                                    inner_terminal.kill_active_task();
3139                                });
3140                            })
3141                        }),
3142                    )
3143                    .child(Divider::vertical())
3144                    .child(
3145                        Icon::new(IconName::ArrowCircle)
3146                            .size(IconSize::XSmall)
3147                            .color(Color::Info)
3148                            .with_rotate_animation(2)
3149                    )
3150            })
3151            .when(truncated_output, |header| {
3152                let tooltip = if let Some(output) = output {
3153                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
3154                       format!("Output exceeded terminal max lines and was \
3155                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
3156                    } else {
3157                        format!(
3158                            "Output is {} long, and to avoid unexpected token usage, \
3159                                only {} was sent back to the agent.",
3160                            format_file_size(output.original_content_len as u64, true),
3161                             format_file_size(output.content.len() as u64, true)
3162                        )
3163                    }
3164                } else {
3165                    "Output was truncated".to_string()
3166                };
3167
3168                header.child(
3169                    h_flex()
3170                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
3171                        .gap_1()
3172                        .child(
3173                            Icon::new(IconName::Info)
3174                                .size(IconSize::XSmall)
3175                                .color(Color::Ignored),
3176                        )
3177                        .child(
3178                            Label::new("Truncated")
3179                                .color(Color::Muted)
3180                                .size(LabelSize::XSmall),
3181                        )
3182                        .tooltip(Tooltip::text(tooltip)),
3183                )
3184            })
3185            .when(time_elapsed > Duration::from_secs(10), |header| {
3186                header.child(
3187                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
3188                        .buffer_font(cx)
3189                        .color(Color::Muted)
3190                        .size(LabelSize::XSmall),
3191                )
3192            })
3193            .when(tool_failed || command_failed, |header| {
3194                header.child(
3195                    div()
3196                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
3197                        .child(
3198                            Icon::new(IconName::Close)
3199                                .size(IconSize::Small)
3200                                .color(Color::Error),
3201                        )
3202                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
3203                            this.tooltip(Tooltip::text(format!(
3204                                "Exited with code {}",
3205                                status.code().unwrap_or(-1),
3206                            )))
3207                        }),
3208                )
3209            })
3210            .child(
3211                Disclosure::new(
3212                    SharedString::from(format!(
3213                        "terminal-tool-disclosure-{}",
3214                        terminal.entity_id()
3215                    )),
3216                    is_expanded,
3217                )
3218                .opened_icon(IconName::ChevronUp)
3219                .closed_icon(IconName::ChevronDown)
3220                .visible_on_hover(&header_group)
3221                .on_click(cx.listener({
3222                    let id = tool_call.id.clone();
3223                    move |this, _event, _window, _cx| {
3224                        if is_expanded {
3225                            this.expanded_tool_calls.remove(&id);
3226                        } else {
3227                            this.expanded_tool_calls.insert(id.clone());
3228                        }
3229                    }
3230                })),
3231            );
3232
3233        let terminal_view = self
3234            .entry_view_state
3235            .read(cx)
3236            .entry(entry_ix)
3237            .and_then(|entry| entry.terminal(terminal));
3238        let show_output = is_expanded && terminal_view.is_some();
3239
3240        v_flex()
3241            .my_1p5()
3242            .mx_5()
3243            .border_1()
3244            .when(tool_failed || command_failed, |card| card.border_dashed())
3245            .border_color(border_color)
3246            .rounded_md()
3247            .overflow_hidden()
3248            .child(
3249                v_flex()
3250                    .group(&header_group)
3251                    .py_1p5()
3252                    .pr_1p5()
3253                    .pl_2()
3254                    .gap_0p5()
3255                    .bg(header_bg)
3256                    .text_xs()
3257                    .child(header)
3258                    .child(
3259                        MarkdownElement::new(
3260                            command.clone(),
3261                            terminal_command_markdown_style(window, cx),
3262                        )
3263                        .code_block_renderer(
3264                            markdown::CodeBlockRenderer::Default {
3265                                copy_button: false,
3266                                copy_button_on_hover: true,
3267                                border: false,
3268                            },
3269                        ),
3270                    ),
3271            )
3272            .when(show_output, |this| {
3273                this.child(
3274                    div()
3275                        .pt_2()
3276                        .border_t_1()
3277                        .when(tool_failed || command_failed, |card| card.border_dashed())
3278                        .border_color(border_color)
3279                        .bg(cx.theme().colors().editor_background)
3280                        .rounded_b_md()
3281                        .text_ui_sm(cx)
3282                        .h_full()
3283                        .children(terminal_view.map(|terminal_view| {
3284                            let element = if terminal_view
3285                                .read(cx)
3286                                .content_mode(window, cx)
3287                                .is_scrollable()
3288                            {
3289                                div().h_72().child(terminal_view).into_any_element()
3290                            } else {
3291                                terminal_view.into_any_element()
3292                            };
3293
3294                            div()
3295                                .on_action(cx.listener(|_this, _: &NewTerminal, window, cx| {
3296                                    window.dispatch_action(NewThread.boxed_clone(), cx);
3297                                    cx.stop_propagation();
3298                                }))
3299                                .child(element)
3300                                .into_any_element()
3301                        })),
3302                )
3303            })
3304            .into_any()
3305    }
3306
3307    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
3308        let project_context = self
3309            .as_native_thread(cx)?
3310            .read(cx)
3311            .project_context()
3312            .read(cx);
3313
3314        let user_rules_text = if project_context.user_rules.is_empty() {
3315            None
3316        } else if project_context.user_rules.len() == 1 {
3317            let user_rules = &project_context.user_rules[0];
3318
3319            match user_rules.title.as_ref() {
3320                Some(title) => Some(format!("Using \"{title}\" user rule")),
3321                None => Some("Using user rule".into()),
3322            }
3323        } else {
3324            Some(format!(
3325                "Using {} user rules",
3326                project_context.user_rules.len()
3327            ))
3328        };
3329
3330        let first_user_rules_id = project_context
3331            .user_rules
3332            .first()
3333            .map(|user_rules| user_rules.uuid.0);
3334
3335        let rules_files = project_context
3336            .worktrees
3337            .iter()
3338            .filter_map(|worktree| worktree.rules_file.as_ref())
3339            .collect::<Vec<_>>();
3340
3341        let rules_file_text = match rules_files.as_slice() {
3342            &[] => None,
3343            &[rules_file] => Some(format!(
3344                "Using project {:?} file",
3345                rules_file.path_in_worktree
3346            )),
3347            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3348        };
3349
3350        if user_rules_text.is_none() && rules_file_text.is_none() {
3351            return None;
3352        }
3353
3354        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3355
3356        Some(
3357            h_flex()
3358                .px_2p5()
3359                .child(
3360                    Icon::new(IconName::Attach)
3361                        .size(IconSize::XSmall)
3362                        .color(Color::Disabled),
3363                )
3364                .when_some(user_rules_text, |parent, user_rules_text| {
3365                    parent.child(
3366                        h_flex()
3367                            .id("user-rules")
3368                            .ml_1()
3369                            .mr_1p5()
3370                            .child(
3371                                Label::new(user_rules_text)
3372                                    .size(LabelSize::XSmall)
3373                                    .color(Color::Muted)
3374                                    .truncate(),
3375                            )
3376                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3377                            .tooltip(Tooltip::text("View User Rules"))
3378                            .on_click(move |_event, window, cx| {
3379                                window.dispatch_action(
3380                                    Box::new(OpenRulesLibrary {
3381                                        prompt_to_select: first_user_rules_id,
3382                                    }),
3383                                    cx,
3384                                )
3385                            }),
3386                    )
3387                })
3388                .when(has_both, |this| {
3389                    this.child(
3390                        Label::new("")
3391                            .size(LabelSize::XSmall)
3392                            .color(Color::Disabled),
3393                    )
3394                })
3395                .when_some(rules_file_text, |parent, rules_file_text| {
3396                    parent.child(
3397                        h_flex()
3398                            .id("project-rules")
3399                            .ml_1p5()
3400                            .child(
3401                                Label::new(rules_file_text)
3402                                    .size(LabelSize::XSmall)
3403                                    .color(Color::Muted),
3404                            )
3405                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3406                            .tooltip(Tooltip::text("View Project Rules"))
3407                            .on_click(cx.listener(Self::handle_open_rules)),
3408                    )
3409                })
3410                .into_any(),
3411        )
3412    }
3413
3414    fn render_empty_state_section_header(
3415        &self,
3416        label: impl Into<SharedString>,
3417        action_slot: Option<AnyElement>,
3418        cx: &mut Context<Self>,
3419    ) -> impl IntoElement {
3420        div().pl_1().pr_1p5().child(
3421            h_flex()
3422                .mt_2()
3423                .pl_1p5()
3424                .pb_1()
3425                .w_full()
3426                .justify_between()
3427                .border_b_1()
3428                .border_color(cx.theme().colors().border_variant)
3429                .child(
3430                    Label::new(label.into())
3431                        .size(LabelSize::Small)
3432                        .color(Color::Muted),
3433                )
3434                .children(action_slot),
3435        )
3436    }
3437
3438    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3439        let render_history = self
3440            .agent
3441            .clone()
3442            .downcast::<agent::NativeAgentServer>()
3443            .is_some()
3444            && self
3445                .history_store
3446                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3447
3448        v_flex()
3449            .size_full()
3450            .when(render_history, |this| {
3451                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3452                    history_store.entries().take(3).collect()
3453                });
3454                this.justify_end().child(
3455                    v_flex()
3456                        .child(
3457                            self.render_empty_state_section_header(
3458                                "Recent",
3459                                Some(
3460                                    Button::new("view-history", "View All")
3461                                        .style(ButtonStyle::Subtle)
3462                                        .label_size(LabelSize::Small)
3463                                        .key_binding(
3464                                            KeyBinding::for_action_in(
3465                                                &OpenHistory,
3466                                                &self.focus_handle(cx),
3467                                                cx,
3468                                            )
3469                                            .map(|kb| kb.size(rems_from_px(12.))),
3470                                        )
3471                                        .on_click(move |_event, window, cx| {
3472                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3473                                        })
3474                                        .into_any_element(),
3475                                ),
3476                                cx,
3477                            ),
3478                        )
3479                        .child(
3480                            v_flex().p_1().pr_1p5().gap_1().children(
3481                                recent_history
3482                                    .into_iter()
3483                                    .enumerate()
3484                                    .map(|(index, entry)| {
3485                                        // TODO: Add keyboard navigation.
3486                                        let is_hovered =
3487                                            self.hovered_recent_history_item == Some(index);
3488                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3489                                            entry,
3490                                            cx.entity().downgrade(),
3491                                        )
3492                                        .hovered(is_hovered)
3493                                        .on_hover(cx.listener(
3494                                            move |this, is_hovered, _window, cx| {
3495                                                if *is_hovered {
3496                                                    this.hovered_recent_history_item = Some(index);
3497                                                } else if this.hovered_recent_history_item
3498                                                    == Some(index)
3499                                                {
3500                                                    this.hovered_recent_history_item = None;
3501                                                }
3502                                                cx.notify();
3503                                            },
3504                                        ))
3505                                        .into_any_element()
3506                                    }),
3507                            ),
3508                        ),
3509                )
3510            })
3511            .into_any()
3512    }
3513
3514    fn render_auth_required_state(
3515        &self,
3516        connection: &Rc<dyn AgentConnection>,
3517        description: Option<&Entity<Markdown>>,
3518        configuration_view: Option<&AnyView>,
3519        pending_auth_method: Option<&acp::AuthMethodId>,
3520        window: &mut Window,
3521        cx: &Context<Self>,
3522    ) -> impl IntoElement {
3523        let auth_methods = connection.auth_methods();
3524
3525        let agent_display_name = self
3526            .agent_server_store
3527            .read(cx)
3528            .agent_display_name(&ExternalAgentServerName(self.agent.name()))
3529            .unwrap_or_else(|| self.agent.name());
3530
3531        let show_fallback_description = auth_methods.len() > 1
3532            && configuration_view.is_none()
3533            && description.is_none()
3534            && pending_auth_method.is_none();
3535
3536        let auth_buttons = || {
3537            h_flex().justify_end().flex_wrap().gap_1().children(
3538                connection
3539                    .auth_methods()
3540                    .iter()
3541                    .enumerate()
3542                    .rev()
3543                    .map(|(ix, method)| {
3544                        let (method_id, name) = if self.project.read(cx).is_via_remote_server()
3545                            && method.id.0.as_ref() == "oauth-personal"
3546                            && method.name == "Log in with Google"
3547                        {
3548                            ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3549                        } else {
3550                            (method.id.0.clone(), method.name.clone())
3551                        };
3552
3553                        let agent_telemetry_id = connection.telemetry_id();
3554
3555                        Button::new(method_id.clone(), name)
3556                            .label_size(LabelSize::Small)
3557                            .map(|this| {
3558                                if ix == 0 {
3559                                    this.style(ButtonStyle::Tinted(TintColor::Accent))
3560                                } else {
3561                                    this.style(ButtonStyle::Outlined)
3562                                }
3563                            })
3564                            .when_some(method.description.clone(), |this, description| {
3565                                this.tooltip(Tooltip::text(description))
3566                            })
3567                            .on_click({
3568                                cx.listener(move |this, _, window, cx| {
3569                                    telemetry::event!(
3570                                        "Authenticate Agent Started",
3571                                        agent = agent_telemetry_id,
3572                                        method = method_id
3573                                    );
3574
3575                                    this.authenticate(
3576                                        acp::AuthMethodId::new(method_id.clone()),
3577                                        window,
3578                                        cx,
3579                                    )
3580                                })
3581                            })
3582                    }),
3583            )
3584        };
3585
3586        if pending_auth_method.is_some() {
3587            return Callout::new()
3588                .icon(IconName::Info)
3589                .title(format!("Authenticating to {}", agent_display_name))
3590                .actions_slot(
3591                    Icon::new(IconName::ArrowCircle)
3592                        .size(IconSize::Small)
3593                        .color(Color::Muted)
3594                        .with_rotate_animation(2)
3595                        .into_any_element(),
3596                )
3597                .into_any_element();
3598        }
3599
3600        Callout::new()
3601            .icon(IconName::Info)
3602            .title(format!("Authenticate to {}", agent_display_name))
3603            .when(auth_methods.len() == 1, |this| {
3604                this.actions_slot(auth_buttons())
3605            })
3606            .description_slot(
3607                v_flex()
3608                    .text_ui(cx)
3609                    .map(|this| {
3610                        if show_fallback_description {
3611                            this.child(
3612                                Label::new("Choose one of the following authentication options:")
3613                                    .size(LabelSize::Small)
3614                                    .color(Color::Muted),
3615                            )
3616                        } else {
3617                            this.children(
3618                                configuration_view
3619                                    .cloned()
3620                                    .map(|view| div().w_full().child(view)),
3621                            )
3622                            .children(description.map(|desc| {
3623                                self.render_markdown(
3624                                    desc.clone(),
3625                                    default_markdown_style(false, false, window, cx),
3626                                )
3627                            }))
3628                        }
3629                    })
3630                    .when(auth_methods.len() > 1, |this| {
3631                        this.gap_1().child(auth_buttons())
3632                    }),
3633            )
3634            .into_any_element()
3635    }
3636
3637    fn render_load_error(
3638        &self,
3639        e: &LoadError,
3640        window: &mut Window,
3641        cx: &mut Context<Self>,
3642    ) -> AnyElement {
3643        let (title, message, action_slot): (_, SharedString, _) = match e {
3644            LoadError::Unsupported {
3645                command: path,
3646                current_version,
3647                minimum_version,
3648            } => {
3649                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3650            }
3651            LoadError::FailedToInstall(msg) => (
3652                "Failed to Install",
3653                msg.into(),
3654                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3655            ),
3656            LoadError::Exited { status } => (
3657                "Failed to Launch",
3658                format!("Server exited with status {status}").into(),
3659                None,
3660            ),
3661            LoadError::Other(msg) => (
3662                "Failed to Launch",
3663                msg.into(),
3664                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3665            ),
3666        };
3667
3668        Callout::new()
3669            .severity(Severity::Error)
3670            .icon(IconName::XCircleFilled)
3671            .title(title)
3672            .description(message)
3673            .actions_slot(div().children(action_slot))
3674            .into_any_element()
3675    }
3676
3677    fn render_unsupported(
3678        &self,
3679        path: &SharedString,
3680        version: &SharedString,
3681        minimum_version: &SharedString,
3682        _window: &mut Window,
3683        cx: &mut Context<Self>,
3684    ) -> AnyElement {
3685        let (heading_label, description_label) = (
3686            format!("Upgrade {} to work with Zed", self.agent.name()),
3687            if version.is_empty() {
3688                format!(
3689                    "Currently using {}, which does not report a valid --version",
3690                    path,
3691                )
3692            } else {
3693                format!(
3694                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3695                    path, version
3696                )
3697            },
3698        );
3699
3700        v_flex()
3701            .w_full()
3702            .p_3p5()
3703            .gap_2p5()
3704            .border_t_1()
3705            .border_color(cx.theme().colors().border)
3706            .bg(linear_gradient(
3707                180.,
3708                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3709                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3710            ))
3711            .child(
3712                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3713                    Label::new(description_label)
3714                        .size(LabelSize::Small)
3715                        .color(Color::Muted),
3716                ),
3717            )
3718            .into_any_element()
3719    }
3720
3721    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3722        let editor_bg_color = cx.theme().colors().editor_background;
3723        let active_color = cx.theme().colors().element_selected;
3724        editor_bg_color.blend(active_color.opacity(0.3))
3725    }
3726
3727    fn render_activity_bar(
3728        &self,
3729        thread_entity: &Entity<AcpThread>,
3730        window: &mut Window,
3731        cx: &Context<Self>,
3732    ) -> Option<AnyElement> {
3733        let thread = thread_entity.read(cx);
3734        let action_log = thread.action_log();
3735        let telemetry = ActionLogTelemetry::from(thread);
3736        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3737        let plan = thread.plan();
3738
3739        if changed_buffers.is_empty() && plan.is_empty() {
3740            return None;
3741        }
3742
3743        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3744        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3745        // be, which blocks you from being able to accept or reject edits. This switches the
3746        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3747        // block you from using the panel.
3748        let pending_edits = false;
3749
3750        v_flex()
3751            .mt_1()
3752            .mx_2()
3753            .bg(self.activity_bar_bg(cx))
3754            .border_1()
3755            .border_b_0()
3756            .border_color(cx.theme().colors().border)
3757            .rounded_t_md()
3758            .shadow(vec![gpui::BoxShadow {
3759                color: gpui::black().opacity(0.15),
3760                offset: point(px(1.), px(-1.)),
3761                blur_radius: px(3.),
3762                spread_radius: px(0.),
3763            }])
3764            .when(!plan.is_empty(), |this| {
3765                this.child(self.render_plan_summary(plan, window, cx))
3766                    .when(self.plan_expanded, |parent| {
3767                        parent.child(self.render_plan_entries(plan, window, cx))
3768                    })
3769            })
3770            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3771                this.child(Divider::horizontal().color(DividerColor::Border))
3772            })
3773            .when(!changed_buffers.is_empty(), |this| {
3774                this.child(self.render_edits_summary(
3775                    &changed_buffers,
3776                    self.edits_expanded,
3777                    pending_edits,
3778                    cx,
3779                ))
3780                .when(self.edits_expanded, |parent| {
3781                    parent.child(self.render_edited_files(
3782                        action_log,
3783                        telemetry,
3784                        &changed_buffers,
3785                        pending_edits,
3786                        cx,
3787                    ))
3788                })
3789            })
3790            .into_any()
3791            .into()
3792    }
3793
3794    fn render_plan_summary(
3795        &self,
3796        plan: &Plan,
3797        window: &mut Window,
3798        cx: &Context<Self>,
3799    ) -> impl IntoElement {
3800        let stats = plan.stats();
3801
3802        let title = if let Some(entry) = stats.in_progress_entry
3803            && !self.plan_expanded
3804        {
3805            h_flex()
3806                .cursor_default()
3807                .relative()
3808                .w_full()
3809                .gap_1()
3810                .truncate()
3811                .child(
3812                    Label::new("Current:")
3813                        .size(LabelSize::Small)
3814                        .color(Color::Muted),
3815                )
3816                .child(
3817                    div()
3818                        .text_xs()
3819                        .text_color(cx.theme().colors().text_muted)
3820                        .line_clamp(1)
3821                        .child(MarkdownElement::new(
3822                            entry.content.clone(),
3823                            plan_label_markdown_style(&entry.status, window, cx),
3824                        )),
3825                )
3826                .when(stats.pending > 0, |this| {
3827                    this.child(
3828                        h_flex()
3829                            .absolute()
3830                            .top_0()
3831                            .right_0()
3832                            .h_full()
3833                            .child(div().min_w_8().h_full().bg(linear_gradient(
3834                                90.,
3835                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3836                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3837                            )))
3838                            .child(
3839                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3840                                    Label::new(format!("{} left", stats.pending))
3841                                        .size(LabelSize::Small)
3842                                        .color(Color::Muted),
3843                                ),
3844                            ),
3845                    )
3846                })
3847        } else {
3848            let status_label = if stats.pending == 0 {
3849                "All Done".to_string()
3850            } else if stats.completed == 0 {
3851                format!("{} Tasks", plan.entries.len())
3852            } else {
3853                format!("{}/{}", stats.completed, plan.entries.len())
3854            };
3855
3856            h_flex()
3857                .w_full()
3858                .gap_1()
3859                .justify_between()
3860                .child(
3861                    Label::new("Plan")
3862                        .size(LabelSize::Small)
3863                        .color(Color::Muted),
3864                )
3865                .child(
3866                    Label::new(status_label)
3867                        .size(LabelSize::Small)
3868                        .color(Color::Muted)
3869                        .mr_1(),
3870                )
3871        };
3872
3873        h_flex()
3874            .id("plan_summary")
3875            .p_1()
3876            .w_full()
3877            .gap_1()
3878            .when(self.plan_expanded, |this| {
3879                this.border_b_1().border_color(cx.theme().colors().border)
3880            })
3881            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3882            .child(title)
3883            .on_click(cx.listener(|this, _, _, cx| {
3884                this.plan_expanded = !this.plan_expanded;
3885                cx.notify();
3886            }))
3887    }
3888
3889    fn render_plan_entries(
3890        &self,
3891        plan: &Plan,
3892        window: &mut Window,
3893        cx: &Context<Self>,
3894    ) -> impl IntoElement {
3895        v_flex()
3896            .id("plan_items_list")
3897            .max_h_40()
3898            .overflow_y_scroll()
3899            .children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3900                let element = h_flex()
3901                    .py_1()
3902                    .px_2()
3903                    .gap_2()
3904                    .justify_between()
3905                    .bg(cx.theme().colors().editor_background)
3906                    .when(index < plan.entries.len() - 1, |parent| {
3907                        parent.border_color(cx.theme().colors().border).border_b_1()
3908                    })
3909                    .child(
3910                        h_flex()
3911                            .id(("plan_entry", index))
3912                            .gap_1p5()
3913                            .max_w_full()
3914                            .overflow_x_scroll()
3915                            .text_xs()
3916                            .text_color(cx.theme().colors().text_muted)
3917                            .child(match entry.status {
3918                                acp::PlanEntryStatus::InProgress => {
3919                                    Icon::new(IconName::TodoProgress)
3920                                        .size(IconSize::Small)
3921                                        .color(Color::Accent)
3922                                        .with_rotate_animation(2)
3923                                        .into_any_element()
3924                                }
3925                                acp::PlanEntryStatus::Completed => {
3926                                    Icon::new(IconName::TodoComplete)
3927                                        .size(IconSize::Small)
3928                                        .color(Color::Success)
3929                                        .into_any_element()
3930                                }
3931                                acp::PlanEntryStatus::Pending | _ => {
3932                                    Icon::new(IconName::TodoPending)
3933                                        .size(IconSize::Small)
3934                                        .color(Color::Muted)
3935                                        .into_any_element()
3936                                }
3937                            })
3938                            .child(MarkdownElement::new(
3939                                entry.content.clone(),
3940                                plan_label_markdown_style(&entry.status, window, cx),
3941                            )),
3942                    );
3943
3944                Some(element)
3945            }))
3946            .into_any_element()
3947    }
3948
3949    fn render_edits_summary(
3950        &self,
3951        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3952        expanded: bool,
3953        pending_edits: bool,
3954        cx: &Context<Self>,
3955    ) -> Div {
3956        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3957
3958        let focus_handle = self.focus_handle(cx);
3959
3960        h_flex()
3961            .p_1()
3962            .justify_between()
3963            .flex_wrap()
3964            .when(expanded, |this| {
3965                this.border_b_1().border_color(cx.theme().colors().border)
3966            })
3967            .child(
3968                h_flex()
3969                    .id("edits-container")
3970                    .cursor_pointer()
3971                    .gap_1()
3972                    .child(Disclosure::new("edits-disclosure", expanded))
3973                    .map(|this| {
3974                        if pending_edits {
3975                            this.child(
3976                                Label::new(format!(
3977                                    "Editing {} {}",
3978                                    changed_buffers.len(),
3979                                    if changed_buffers.len() == 1 {
3980                                        "file"
3981                                    } else {
3982                                        "files"
3983                                    }
3984                                ))
3985                                .color(Color::Muted)
3986                                .size(LabelSize::Small)
3987                                .with_animation(
3988                                    "edit-label",
3989                                    Animation::new(Duration::from_secs(2))
3990                                        .repeat()
3991                                        .with_easing(pulsating_between(0.3, 0.7)),
3992                                    |label, delta| label.alpha(delta),
3993                                ),
3994                            )
3995                        } else {
3996                            this.child(
3997                                Label::new("Edits")
3998                                    .size(LabelSize::Small)
3999                                    .color(Color::Muted),
4000                            )
4001                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
4002                            .child(
4003                                Label::new(format!(
4004                                    "{} {}",
4005                                    changed_buffers.len(),
4006                                    if changed_buffers.len() == 1 {
4007                                        "file"
4008                                    } else {
4009                                        "files"
4010                                    }
4011                                ))
4012                                .size(LabelSize::Small)
4013                                .color(Color::Muted),
4014                            )
4015                        }
4016                    })
4017                    .on_click(cx.listener(|this, _, _, cx| {
4018                        this.edits_expanded = !this.edits_expanded;
4019                        cx.notify();
4020                    })),
4021            )
4022            .child(
4023                h_flex()
4024                    .gap_1()
4025                    .child(
4026                        IconButton::new("review-changes", IconName::ListTodo)
4027                            .icon_size(IconSize::Small)
4028                            .tooltip({
4029                                let focus_handle = focus_handle.clone();
4030                                move |_window, cx| {
4031                                    Tooltip::for_action_in(
4032                                        "Review Changes",
4033                                        &OpenAgentDiff,
4034                                        &focus_handle,
4035                                        cx,
4036                                    )
4037                                }
4038                            })
4039                            .on_click(cx.listener(|_, _, window, cx| {
4040                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
4041                            })),
4042                    )
4043                    .child(Divider::vertical().color(DividerColor::Border))
4044                    .child(
4045                        Button::new("reject-all-changes", "Reject All")
4046                            .label_size(LabelSize::Small)
4047                            .disabled(pending_edits)
4048                            .when(pending_edits, |this| {
4049                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
4050                            })
4051                            .key_binding(
4052                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
4053                                    .map(|kb| kb.size(rems_from_px(10.))),
4054                            )
4055                            .on_click(cx.listener(move |this, _, window, cx| {
4056                                this.reject_all(&RejectAll, window, cx);
4057                            })),
4058                    )
4059                    .child(
4060                        Button::new("keep-all-changes", "Keep All")
4061                            .label_size(LabelSize::Small)
4062                            .disabled(pending_edits)
4063                            .when(pending_edits, |this| {
4064                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
4065                            })
4066                            .key_binding(
4067                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
4068                                    .map(|kb| kb.size(rems_from_px(10.))),
4069                            )
4070                            .on_click(cx.listener(move |this, _, window, cx| {
4071                                this.keep_all(&KeepAll, window, cx);
4072                            })),
4073                    ),
4074            )
4075    }
4076
4077    fn render_edited_files(
4078        &self,
4079        action_log: &Entity<ActionLog>,
4080        telemetry: ActionLogTelemetry,
4081        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
4082        pending_edits: bool,
4083        cx: &Context<Self>,
4084    ) -> impl IntoElement {
4085        let editor_bg_color = cx.theme().colors().editor_background;
4086
4087        v_flex()
4088            .id("edited_files_list")
4089            .max_h_40()
4090            .overflow_y_scroll()
4091            .children(
4092                changed_buffers
4093                    .iter()
4094                    .enumerate()
4095                    .flat_map(|(index, (buffer, _diff))| {
4096                        let file = buffer.read(cx).file()?;
4097                        let path = file.path();
4098                        let path_style = file.path_style(cx);
4099                        let separator = file.path_style(cx).primary_separator();
4100
4101                        let file_path = path.parent().and_then(|parent| {
4102                            if parent.is_empty() {
4103                                None
4104                            } else {
4105                                Some(
4106                                    Label::new(format!(
4107                                        "{}{separator}",
4108                                        parent.display(path_style)
4109                                    ))
4110                                    .color(Color::Muted)
4111                                    .size(LabelSize::XSmall)
4112                                    .buffer_font(cx),
4113                                )
4114                            }
4115                        });
4116
4117                        let file_name = path.file_name().map(|name| {
4118                            Label::new(name.to_string())
4119                                .size(LabelSize::XSmall)
4120                                .buffer_font(cx)
4121                                .ml_1p5()
4122                        });
4123
4124                        let full_path = path.display(path_style).to_string();
4125
4126                        let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
4127                            .map(Icon::from_path)
4128                            .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
4129                            .unwrap_or_else(|| {
4130                                Icon::new(IconName::File)
4131                                    .color(Color::Muted)
4132                                    .size(IconSize::Small)
4133                            });
4134
4135                        let overlay_gradient = linear_gradient(
4136                            90.,
4137                            linear_color_stop(editor_bg_color, 1.),
4138                            linear_color_stop(editor_bg_color.opacity(0.2), 0.),
4139                        );
4140
4141                        let element = h_flex()
4142                            .group("edited-code")
4143                            .id(("file-container", index))
4144                            .py_1()
4145                            .pl_2()
4146                            .pr_1()
4147                            .gap_2()
4148                            .justify_between()
4149                            .bg(editor_bg_color)
4150                            .when(index < changed_buffers.len() - 1, |parent| {
4151                                parent.border_color(cx.theme().colors().border).border_b_1()
4152                            })
4153                            .child(
4154                                h_flex()
4155                                    .id(("file-name-row", index))
4156                                    .relative()
4157                                    .pr_8()
4158                                    .w_full()
4159                                    .child(
4160                                        h_flex()
4161                                            .id(("file-name-path", index))
4162                                            .cursor_pointer()
4163                                            .pr_0p5()
4164                                            .gap_0p5()
4165                                            .hover(|s| s.bg(cx.theme().colors().element_hover))
4166                                            .rounded_xs()
4167                                            .child(file_icon)
4168                                            .children(file_name)
4169                                            .children(file_path)
4170                                            .tooltip(move |_, cx| {
4171                                                Tooltip::with_meta(
4172                                                    "Go to File",
4173                                                    None,
4174                                                    full_path.clone(),
4175                                                    cx,
4176                                                )
4177                                            })
4178                                            .on_click({
4179                                                let buffer = buffer.clone();
4180                                                cx.listener(move |this, _, window, cx| {
4181                                                    this.open_edited_buffer(&buffer, window, cx);
4182                                                })
4183                                            }),
4184                                    )
4185                                    .child(
4186                                        div()
4187                                            .absolute()
4188                                            .h_full()
4189                                            .w_12()
4190                                            .top_0()
4191                                            .bottom_0()
4192                                            .right_0()
4193                                            .bg(overlay_gradient),
4194                                    ),
4195                            )
4196                            .child(
4197                                h_flex()
4198                                    .gap_1()
4199                                    .visible_on_hover("edited-code")
4200                                    .child(
4201                                        Button::new("review", "Review")
4202                                            .label_size(LabelSize::Small)
4203                                            .on_click({
4204                                                let buffer = buffer.clone();
4205                                                cx.listener(move |this, _, window, cx| {
4206                                                    this.open_edited_buffer(&buffer, window, cx);
4207                                                })
4208                                            }),
4209                                    )
4210                                    .child(Divider::vertical().color(DividerColor::BorderVariant))
4211                                    .child(
4212                                        Button::new("reject-file", "Reject")
4213                                            .label_size(LabelSize::Small)
4214                                            .disabled(pending_edits)
4215                                            .on_click({
4216                                                let buffer = buffer.clone();
4217                                                let action_log = action_log.clone();
4218                                                let telemetry = telemetry.clone();
4219                                                move |_, _, cx| {
4220                                                    action_log.update(cx, |action_log, cx| {
4221                                                        action_log
4222                                                    .reject_edits_in_ranges(
4223                                                        buffer.clone(),
4224                                                        vec![Anchor::min_max_range_for_buffer(
4225                                                            buffer.read(cx).remote_id(),
4226                                                        )],
4227                                                        Some(telemetry.clone()),
4228                                                        cx,
4229                                                    )
4230                                                    .detach_and_log_err(cx);
4231                                                    })
4232                                                }
4233                                            }),
4234                                    )
4235                                    .child(
4236                                        Button::new("keep-file", "Keep")
4237                                            .label_size(LabelSize::Small)
4238                                            .disabled(pending_edits)
4239                                            .on_click({
4240                                                let buffer = buffer.clone();
4241                                                let action_log = action_log.clone();
4242                                                let telemetry = telemetry.clone();
4243                                                move |_, _, cx| {
4244                                                    action_log.update(cx, |action_log, cx| {
4245                                                        action_log.keep_edits_in_range(
4246                                                            buffer.clone(),
4247                                                            Anchor::min_max_range_for_buffer(
4248                                                                buffer.read(cx).remote_id(),
4249                                                            ),
4250                                                            Some(telemetry.clone()),
4251                                                            cx,
4252                                                        );
4253                                                    })
4254                                                }
4255                                            }),
4256                                    ),
4257                            );
4258
4259                        Some(element)
4260                    }),
4261            )
4262            .into_any_element()
4263    }
4264
4265    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
4266        let focus_handle = self.message_editor.focus_handle(cx);
4267        let editor_bg_color = cx.theme().colors().editor_background;
4268        let (expand_icon, expand_tooltip) = if self.editor_expanded {
4269            (IconName::Minimize, "Minimize Message Editor")
4270        } else {
4271            (IconName::Maximize, "Expand Message Editor")
4272        };
4273
4274        let backdrop = div()
4275            .size_full()
4276            .absolute()
4277            .inset_0()
4278            .bg(cx.theme().colors().panel_background)
4279            .opacity(0.8)
4280            .block_mouse_except_scroll();
4281
4282        let enable_editor = match self.thread_state {
4283            ThreadState::Ready { .. } => true,
4284            ThreadState::Loading { .. }
4285            | ThreadState::Unauthenticated { .. }
4286            | ThreadState::LoadError(..) => false,
4287        };
4288
4289        v_flex()
4290            .on_action(cx.listener(Self::expand_message_editor))
4291            .p_2()
4292            .gap_2()
4293            .border_t_1()
4294            .border_color(cx.theme().colors().border)
4295            .bg(editor_bg_color)
4296            .when(self.editor_expanded, |this| {
4297                this.h(vh(0.8, window)).size_full().justify_between()
4298            })
4299            .child(
4300                v_flex()
4301                    .relative()
4302                    .size_full()
4303                    .pt_1()
4304                    .pr_2p5()
4305                    .child(self.message_editor.clone())
4306                    .child(
4307                        h_flex()
4308                            .absolute()
4309                            .top_0()
4310                            .right_0()
4311                            .opacity(0.5)
4312                            .hover(|this| this.opacity(1.0))
4313                            .child(
4314                                IconButton::new("toggle-height", expand_icon)
4315                                    .icon_size(IconSize::Small)
4316                                    .icon_color(Color::Muted)
4317                                    .tooltip({
4318                                        move |_window, cx| {
4319                                            Tooltip::for_action_in(
4320                                                expand_tooltip,
4321                                                &ExpandMessageEditor,
4322                                                &focus_handle,
4323                                                cx,
4324                                            )
4325                                        }
4326                                    })
4327                                    .on_click(cx.listener(|this, _, window, cx| {
4328                                        this.expand_message_editor(
4329                                            &ExpandMessageEditor,
4330                                            window,
4331                                            cx,
4332                                        );
4333                                    })),
4334                            ),
4335                    ),
4336            )
4337            .child(
4338                h_flex()
4339                    .flex_none()
4340                    .flex_wrap()
4341                    .justify_between()
4342                    .child(
4343                        h_flex()
4344                            .gap_0p5()
4345                            .child(self.render_add_context_button(cx))
4346                            .child(self.render_follow_toggle(cx))
4347                            .children(self.render_burn_mode_toggle(cx)),
4348                    )
4349                    .child(
4350                        h_flex()
4351                            .gap_1()
4352                            .children(self.render_token_usage(cx))
4353                            .children(self.profile_selector.clone())
4354                            .children(self.mode_selector().cloned())
4355                            .children(self.model_selector.clone())
4356                            .child(self.render_send_button(cx)),
4357                    ),
4358            )
4359            .when(!enable_editor, |this| this.child(backdrop))
4360            .into_any()
4361    }
4362
4363    pub(crate) fn as_native_connection(
4364        &self,
4365        cx: &App,
4366    ) -> Option<Rc<agent::NativeAgentConnection>> {
4367        let acp_thread = self.thread()?.read(cx);
4368        acp_thread.connection().clone().downcast()
4369    }
4370
4371    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4372        let acp_thread = self.thread()?.read(cx);
4373        self.as_native_connection(cx)?
4374            .thread(acp_thread.session_id(), cx)
4375    }
4376
4377    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4378        self.as_native_thread(cx)
4379            .and_then(|thread| thread.read(cx).model())
4380            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4381    }
4382
4383    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4384        let thread = self.thread()?.read(cx);
4385        let usage = thread.token_usage()?;
4386        let is_generating = thread.status() != ThreadStatus::Idle;
4387
4388        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4389        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4390
4391        Some(
4392            h_flex()
4393                .flex_shrink_0()
4394                .gap_0p5()
4395                .mr_1p5()
4396                .child(
4397                    Label::new(used)
4398                        .size(LabelSize::Small)
4399                        .color(Color::Muted)
4400                        .map(|label| {
4401                            if is_generating {
4402                                label
4403                                    .with_animation(
4404                                        "used-tokens-label",
4405                                        Animation::new(Duration::from_secs(2))
4406                                            .repeat()
4407                                            .with_easing(pulsating_between(0.3, 0.8)),
4408                                        |label, delta| label.alpha(delta),
4409                                    )
4410                                    .into_any()
4411                            } else {
4412                                label.into_any_element()
4413                            }
4414                        }),
4415                )
4416                .child(
4417                    Label::new("/")
4418                        .size(LabelSize::Small)
4419                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4420                )
4421                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4422        )
4423    }
4424
4425    fn toggle_burn_mode(
4426        &mut self,
4427        _: &ToggleBurnMode,
4428        _window: &mut Window,
4429        cx: &mut Context<Self>,
4430    ) {
4431        let Some(thread) = self.as_native_thread(cx) else {
4432            return;
4433        };
4434
4435        thread.update(cx, |thread, cx| {
4436            let current_mode = thread.completion_mode();
4437            thread.set_completion_mode(
4438                match current_mode {
4439                    CompletionMode::Burn => CompletionMode::Normal,
4440                    CompletionMode::Normal => CompletionMode::Burn,
4441                },
4442                cx,
4443            );
4444        });
4445    }
4446
4447    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4448        let Some(thread) = self.thread() else {
4449            return;
4450        };
4451        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4452        let action_log = thread.read(cx).action_log().clone();
4453        action_log.update(cx, |action_log, cx| {
4454            action_log.keep_all_edits(Some(telemetry), cx)
4455        });
4456    }
4457
4458    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4459        let Some(thread) = self.thread() else {
4460            return;
4461        };
4462        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4463        let action_log = thread.read(cx).action_log().clone();
4464        action_log
4465            .update(cx, |action_log, cx| {
4466                action_log.reject_all_edits(Some(telemetry), cx)
4467            })
4468            .detach();
4469    }
4470
4471    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4472        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4473    }
4474
4475    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4476        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4477    }
4478
4479    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4480        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4481    }
4482
4483    fn authorize_pending_tool_call(
4484        &mut self,
4485        kind: acp::PermissionOptionKind,
4486        window: &mut Window,
4487        cx: &mut Context<Self>,
4488    ) -> Option<()> {
4489        let thread = self.thread()?.read(cx);
4490        let tool_call = thread.first_tool_awaiting_confirmation()?;
4491        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4492            return None;
4493        };
4494        let option = options.iter().find(|o| o.kind == kind)?;
4495
4496        self.authorize_tool_call(
4497            tool_call.id.clone(),
4498            option.option_id.clone(),
4499            option.kind,
4500            window,
4501            cx,
4502        );
4503
4504        Some(())
4505    }
4506
4507    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4508        let thread = self.as_native_thread(cx)?.read(cx);
4509
4510        if thread
4511            .model()
4512            .is_none_or(|model| !model.supports_burn_mode())
4513        {
4514            return None;
4515        }
4516
4517        let active_completion_mode = thread.completion_mode();
4518        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4519        let icon = if burn_mode_enabled {
4520            IconName::ZedBurnModeOn
4521        } else {
4522            IconName::ZedBurnMode
4523        };
4524
4525        Some(
4526            IconButton::new("burn-mode", icon)
4527                .icon_size(IconSize::Small)
4528                .icon_color(Color::Muted)
4529                .toggle_state(burn_mode_enabled)
4530                .selected_icon_color(Color::Error)
4531                .on_click(cx.listener(|this, _event, window, cx| {
4532                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4533                }))
4534                .tooltip(move |_window, cx| {
4535                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4536                        .into()
4537                })
4538                .into_any_element(),
4539        )
4540    }
4541
4542    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4543        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4544        let is_generating = self
4545            .thread()
4546            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4547
4548        if self.is_loading_contents {
4549            div()
4550                .id("loading-message-content")
4551                .px_1()
4552                .tooltip(Tooltip::text("Loading Added Context…"))
4553                .child(loading_contents_spinner(IconSize::default()))
4554                .into_any_element()
4555        } else if is_generating && is_editor_empty {
4556            IconButton::new("stop-generation", IconName::Stop)
4557                .icon_color(Color::Error)
4558                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4559                .tooltip(move |_window, cx| {
4560                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4561                })
4562                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4563                .into_any_element()
4564        } else {
4565            let send_btn_tooltip = if is_editor_empty && !is_generating {
4566                "Type to Send"
4567            } else if is_generating {
4568                "Stop and Send Message"
4569            } else {
4570                "Send"
4571            };
4572
4573            IconButton::new("send-message", IconName::Send)
4574                .style(ButtonStyle::Filled)
4575                .map(|this| {
4576                    if is_editor_empty && !is_generating {
4577                        this.disabled(true).icon_color(Color::Muted)
4578                    } else {
4579                        this.icon_color(Color::Accent)
4580                    }
4581                })
4582                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4583                .on_click(cx.listener(|this, _, window, cx| {
4584                    this.send(window, cx);
4585                }))
4586                .into_any_element()
4587        }
4588    }
4589
4590    fn is_following(&self, cx: &App) -> bool {
4591        match self.thread().map(|thread| thread.read(cx).status()) {
4592            Some(ThreadStatus::Generating) => self
4593                .workspace
4594                .read_with(cx, |workspace, _| {
4595                    workspace.is_being_followed(CollaboratorId::Agent)
4596                })
4597                .unwrap_or(false),
4598            _ => self.should_be_following,
4599        }
4600    }
4601
4602    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4603        let following = self.is_following(cx);
4604
4605        self.should_be_following = !following;
4606        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4607            self.workspace
4608                .update(cx, |workspace, cx| {
4609                    if following {
4610                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4611                    } else {
4612                        workspace.follow(CollaboratorId::Agent, window, cx);
4613                    }
4614                })
4615                .ok();
4616        }
4617
4618        telemetry::event!("Follow Agent Selected", following = !following);
4619    }
4620
4621    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4622        let following = self.is_following(cx);
4623
4624        let tooltip_label = if following {
4625            if self.agent.name() == "Zed Agent" {
4626                format!("Stop Following the {}", self.agent.name())
4627            } else {
4628                format!("Stop Following {}", self.agent.name())
4629            }
4630        } else {
4631            if self.agent.name() == "Zed Agent" {
4632                format!("Follow the {}", self.agent.name())
4633            } else {
4634                format!("Follow {}", self.agent.name())
4635            }
4636        };
4637
4638        IconButton::new("follow-agent", IconName::Crosshair)
4639            .icon_size(IconSize::Small)
4640            .icon_color(Color::Muted)
4641            .toggle_state(following)
4642            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4643            .tooltip(move |_window, cx| {
4644                if following {
4645                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4646                } else {
4647                    Tooltip::with_meta(
4648                        tooltip_label.clone(),
4649                        Some(&Follow),
4650                        "Track the agent's location as it reads and edits files.",
4651                        cx,
4652                    )
4653                }
4654            })
4655            .on_click(cx.listener(move |this, _, window, cx| {
4656                this.toggle_following(window, cx);
4657            }))
4658    }
4659
4660    fn render_add_context_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4661        let message_editor = self.message_editor.clone();
4662        let menu_visible = message_editor.read(cx).is_completions_menu_visible(cx);
4663
4664        IconButton::new("add-context", IconName::AtSign)
4665            .icon_size(IconSize::Small)
4666            .icon_color(Color::Muted)
4667            .when(!menu_visible, |this| {
4668                this.tooltip(move |_window, cx| {
4669                    Tooltip::with_meta("Add Context", None, "Or type @ to include context", cx)
4670                })
4671            })
4672            .on_click(cx.listener(move |_this, _, window, cx| {
4673                let message_editor_clone = message_editor.clone();
4674
4675                window.defer(cx, move |window, cx| {
4676                    message_editor_clone.update(cx, |message_editor, cx| {
4677                        message_editor.trigger_completion_menu(window, cx);
4678                    });
4679                });
4680            }))
4681    }
4682
4683    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4684        let workspace = self.workspace.clone();
4685        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4686            Self::open_link(text, &workspace, window, cx);
4687        })
4688    }
4689
4690    fn open_link(
4691        url: SharedString,
4692        workspace: &WeakEntity<Workspace>,
4693        window: &mut Window,
4694        cx: &mut App,
4695    ) {
4696        let Some(workspace) = workspace.upgrade() else {
4697            cx.open_url(&url);
4698            return;
4699        };
4700
4701        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
4702        {
4703            workspace.update(cx, |workspace, cx| match mention {
4704                MentionUri::File { abs_path } => {
4705                    let project = workspace.project();
4706                    let Some(path) =
4707                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4708                    else {
4709                        return;
4710                    };
4711
4712                    workspace
4713                        .open_path(path, None, true, window, cx)
4714                        .detach_and_log_err(cx);
4715                }
4716                MentionUri::PastedImage => {}
4717                MentionUri::Directory { abs_path } => {
4718                    let project = workspace.project();
4719                    let Some(entry_id) = project.update(cx, |project, cx| {
4720                        let path = project.find_project_path(abs_path, cx)?;
4721                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4722                    }) else {
4723                        return;
4724                    };
4725
4726                    project.update(cx, |_, cx| {
4727                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4728                    });
4729                }
4730                MentionUri::Symbol {
4731                    abs_path: path,
4732                    line_range,
4733                    ..
4734                }
4735                | MentionUri::Selection {
4736                    abs_path: Some(path),
4737                    line_range,
4738                } => {
4739                    let project = workspace.project();
4740                    let Some(path) =
4741                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4742                    else {
4743                        return;
4744                    };
4745
4746                    let item = workspace.open_path(path, None, true, window, cx);
4747                    window
4748                        .spawn(cx, async move |cx| {
4749                            let Some(editor) = item.await?.downcast::<Editor>() else {
4750                                return Ok(());
4751                            };
4752                            let range = Point::new(*line_range.start(), 0)
4753                                ..Point::new(*line_range.start(), 0);
4754                            editor
4755                                .update_in(cx, |editor, window, cx| {
4756                                    editor.change_selections(
4757                                        SelectionEffects::scroll(Autoscroll::center()),
4758                                        window,
4759                                        cx,
4760                                        |s| s.select_ranges(vec![range]),
4761                                    );
4762                                })
4763                                .ok();
4764                            anyhow::Ok(())
4765                        })
4766                        .detach_and_log_err(cx);
4767                }
4768                MentionUri::Selection { abs_path: None, .. } => {}
4769                MentionUri::Thread { id, name } => {
4770                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4771                        panel.update(cx, |panel, cx| {
4772                            panel.load_agent_thread(
4773                                DbThreadMetadata {
4774                                    id,
4775                                    title: name.into(),
4776                                    updated_at: Default::default(),
4777                                },
4778                                window,
4779                                cx,
4780                            )
4781                        });
4782                    }
4783                }
4784                MentionUri::TextThread { path, .. } => {
4785                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4786                        panel.update(cx, |panel, cx| {
4787                            panel
4788                                .open_saved_text_thread(path.as_path().into(), window, cx)
4789                                .detach_and_log_err(cx);
4790                        });
4791                    }
4792                }
4793                MentionUri::Rule { id, .. } => {
4794                    let PromptId::User { uuid } = id else {
4795                        return;
4796                    };
4797                    window.dispatch_action(
4798                        Box::new(OpenRulesLibrary {
4799                            prompt_to_select: Some(uuid.0),
4800                        }),
4801                        cx,
4802                    )
4803                }
4804                MentionUri::Fetch { url } => {
4805                    cx.open_url(url.as_str());
4806                }
4807            })
4808        } else {
4809            cx.open_url(&url);
4810        }
4811    }
4812
4813    fn open_tool_call_location(
4814        &self,
4815        entry_ix: usize,
4816        location_ix: usize,
4817        window: &mut Window,
4818        cx: &mut Context<Self>,
4819    ) -> Option<()> {
4820        let (tool_call_location, agent_location) = self
4821            .thread()?
4822            .read(cx)
4823            .entries()
4824            .get(entry_ix)?
4825            .location(location_ix)?;
4826
4827        let project_path = self
4828            .project
4829            .read(cx)
4830            .find_project_path(&tool_call_location.path, cx)?;
4831
4832        let open_task = self
4833            .workspace
4834            .update(cx, |workspace, cx| {
4835                workspace.open_path(project_path, None, true, window, cx)
4836            })
4837            .log_err()?;
4838        window
4839            .spawn(cx, async move |cx| {
4840                let item = open_task.await?;
4841
4842                let Some(active_editor) = item.downcast::<Editor>() else {
4843                    return anyhow::Ok(());
4844                };
4845
4846                active_editor.update_in(cx, |editor, window, cx| {
4847                    let multibuffer = editor.buffer().read(cx);
4848                    let buffer = multibuffer.as_singleton();
4849                    if agent_location.buffer.upgrade() == buffer {
4850                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4851                        let anchor =
4852                            editor::Anchor::in_buffer(excerpt_id.unwrap(), agent_location.position);
4853                        editor.change_selections(Default::default(), window, cx, |selections| {
4854                            selections.select_anchor_ranges([anchor..anchor]);
4855                        })
4856                    } else {
4857                        let row = tool_call_location.line.unwrap_or_default();
4858                        editor.change_selections(Default::default(), window, cx, |selections| {
4859                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4860                        })
4861                    }
4862                })?;
4863
4864                anyhow::Ok(())
4865            })
4866            .detach_and_log_err(cx);
4867
4868        None
4869    }
4870
4871    pub fn open_thread_as_markdown(
4872        &self,
4873        workspace: Entity<Workspace>,
4874        window: &mut Window,
4875        cx: &mut App,
4876    ) -> Task<Result<()>> {
4877        let markdown_language_task = workspace
4878            .read(cx)
4879            .app_state()
4880            .languages
4881            .language_for_name("Markdown");
4882
4883        let (thread_title, markdown) = if let Some(thread) = self.thread() {
4884            let thread = thread.read(cx);
4885            (thread.title().to_string(), thread.to_markdown(cx))
4886        } else {
4887            return Task::ready(Ok(()));
4888        };
4889
4890        let project = workspace.read(cx).project().clone();
4891        window.spawn(cx, async move |cx| {
4892            let markdown_language = markdown_language_task.await?;
4893
4894            let buffer = project
4895                .update(cx, |project, cx| project.create_buffer(false, cx))?
4896                .await?;
4897
4898            buffer.update(cx, |buffer, cx| {
4899                buffer.set_text(markdown, cx);
4900                buffer.set_language(Some(markdown_language), cx);
4901                buffer.set_capability(language::Capability::ReadWrite, cx);
4902            })?;
4903
4904            workspace.update_in(cx, |workspace, window, cx| {
4905                let buffer = cx
4906                    .new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_title.clone()));
4907
4908                workspace.add_item_to_active_pane(
4909                    Box::new(cx.new(|cx| {
4910                        let mut editor =
4911                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4912                        editor.set_breadcrumb_header(thread_title);
4913                        editor
4914                    })),
4915                    None,
4916                    true,
4917                    window,
4918                    cx,
4919                );
4920            })?;
4921            anyhow::Ok(())
4922        })
4923    }
4924
4925    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4926        self.list_state.scroll_to(ListOffset::default());
4927        cx.notify();
4928    }
4929
4930    fn scroll_to_most_recent_user_prompt(&mut self, cx: &mut Context<Self>) {
4931        let Some(thread) = self.thread() else {
4932            return;
4933        };
4934
4935        let entries = thread.read(cx).entries();
4936        if entries.is_empty() {
4937            return;
4938        }
4939
4940        // Find the most recent user message and scroll it to the top of the viewport.
4941        // (Fallback: if no user message exists, scroll to the bottom.)
4942        if let Some(ix) = entries
4943            .iter()
4944            .rposition(|entry| matches!(entry, AgentThreadEntry::UserMessage(_)))
4945        {
4946            self.list_state.scroll_to(ListOffset {
4947                item_ix: ix,
4948                offset_in_item: px(0.0),
4949            });
4950            cx.notify();
4951        } else {
4952            self.scroll_to_bottom(cx);
4953        }
4954    }
4955
4956    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4957        if let Some(thread) = self.thread() {
4958            let entry_count = thread.read(cx).entries().len();
4959            self.list_state.reset(entry_count);
4960            cx.notify();
4961        }
4962    }
4963
4964    fn notify_with_sound(
4965        &mut self,
4966        caption: impl Into<SharedString>,
4967        icon: IconName,
4968        window: &mut Window,
4969        cx: &mut Context<Self>,
4970    ) {
4971        self.play_notification_sound(window, cx);
4972        self.show_notification(caption, icon, window, cx);
4973    }
4974
4975    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4976        let settings = AgentSettings::get_global(cx);
4977        if settings.play_sound_when_agent_done && !window.is_window_active() {
4978            Audio::play_sound(Sound::AgentDone, cx);
4979        }
4980    }
4981
4982    fn show_notification(
4983        &mut self,
4984        caption: impl Into<SharedString>,
4985        icon: IconName,
4986        window: &mut Window,
4987        cx: &mut Context<Self>,
4988    ) {
4989        if !self.notifications.is_empty() {
4990            return;
4991        }
4992
4993        let settings = AgentSettings::get_global(cx);
4994
4995        let window_is_inactive = !window.is_window_active();
4996        let panel_is_hidden = self
4997            .workspace
4998            .upgrade()
4999            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
5000            .unwrap_or(true);
5001
5002        let should_notify = window_is_inactive || panel_is_hidden;
5003
5004        if !should_notify {
5005            return;
5006        }
5007
5008        // TODO: Change this once we have title summarization for external agents.
5009        let title = self.agent.name();
5010
5011        match settings.notify_when_agent_waiting {
5012            NotifyWhenAgentWaiting::PrimaryScreen => {
5013                if let Some(primary) = cx.primary_display() {
5014                    self.pop_up(icon, caption.into(), title, window, primary, cx);
5015                }
5016            }
5017            NotifyWhenAgentWaiting::AllScreens => {
5018                let caption = caption.into();
5019                for screen in cx.displays() {
5020                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
5021                }
5022            }
5023            NotifyWhenAgentWaiting::Never => {
5024                // Don't show anything
5025            }
5026        }
5027    }
5028
5029    fn pop_up(
5030        &mut self,
5031        icon: IconName,
5032        caption: SharedString,
5033        title: SharedString,
5034        window: &mut Window,
5035        screen: Rc<dyn PlatformDisplay>,
5036        cx: &mut Context<Self>,
5037    ) {
5038        let options = AgentNotification::window_options(screen, cx);
5039
5040        let project_name = self.workspace.upgrade().and_then(|workspace| {
5041            workspace
5042                .read(cx)
5043                .project()
5044                .read(cx)
5045                .visible_worktrees(cx)
5046                .next()
5047                .map(|worktree| worktree.read(cx).root_name_str().to_string())
5048        });
5049
5050        if let Some(screen_window) = cx
5051            .open_window(options, |_window, cx| {
5052                cx.new(|_cx| {
5053                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
5054                })
5055            })
5056            .log_err()
5057            && let Some(pop_up) = screen_window.entity(cx).log_err()
5058        {
5059            self.notification_subscriptions
5060                .entry(screen_window)
5061                .or_insert_with(Vec::new)
5062                .push(cx.subscribe_in(&pop_up, window, {
5063                    |this, _, event, window, cx| match event {
5064                        AgentNotificationEvent::Accepted => {
5065                            let handle = window.window_handle();
5066                            cx.activate(true);
5067
5068                            let workspace_handle = this.workspace.clone();
5069
5070                            // If there are multiple Zed windows, activate the correct one.
5071                            cx.defer(move |cx| {
5072                                handle
5073                                    .update(cx, |_view, window, _cx| {
5074                                        window.activate_window();
5075
5076                                        if let Some(workspace) = workspace_handle.upgrade() {
5077                                            workspace.update(_cx, |workspace, cx| {
5078                                                workspace.focus_panel::<AgentPanel>(window, cx);
5079                                            });
5080                                        }
5081                                    })
5082                                    .log_err();
5083                            });
5084
5085                            this.dismiss_notifications(cx);
5086                        }
5087                        AgentNotificationEvent::Dismissed => {
5088                            this.dismiss_notifications(cx);
5089                        }
5090                    }
5091                }));
5092
5093            self.notifications.push(screen_window);
5094
5095            // If the user manually refocuses the original window, dismiss the popup.
5096            self.notification_subscriptions
5097                .entry(screen_window)
5098                .or_insert_with(Vec::new)
5099                .push({
5100                    let pop_up_weak = pop_up.downgrade();
5101
5102                    cx.observe_window_activation(window, move |_, window, cx| {
5103                        if window.is_window_active()
5104                            && let Some(pop_up) = pop_up_weak.upgrade()
5105                        {
5106                            pop_up.update(cx, |_, cx| {
5107                                cx.emit(AgentNotificationEvent::Dismissed);
5108                            });
5109                        }
5110                    })
5111                });
5112        }
5113    }
5114
5115    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
5116        for window in self.notifications.drain(..) {
5117            window
5118                .update(cx, |_, window, _| {
5119                    window.remove_window();
5120                })
5121                .ok();
5122
5123            self.notification_subscriptions.remove(&window);
5124        }
5125    }
5126
5127    fn render_generating(&self, confirmation: bool) -> impl IntoElement {
5128        h_flex()
5129            .id("generating-spinner")
5130            .py_2()
5131            .px(rems_from_px(22.))
5132            .map(|this| {
5133                if confirmation {
5134                    this.gap_2()
5135                        .child(
5136                            h_flex()
5137                                .w_2()
5138                                .child(SpinnerLabel::sand().size(LabelSize::Small)),
5139                        )
5140                        .child(
5141                            LoadingLabel::new("Waiting Confirmation")
5142                                .size(LabelSize::Small)
5143                                .color(Color::Muted),
5144                        )
5145                } else {
5146                    this.child(SpinnerLabel::new().size(LabelSize::Small))
5147                }
5148            })
5149            .into_any_element()
5150    }
5151
5152    fn render_thread_controls(
5153        &self,
5154        thread: &Entity<AcpThread>,
5155        cx: &Context<Self>,
5156    ) -> impl IntoElement {
5157        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
5158        if is_generating {
5159            return self.render_generating(false).into_any_element();
5160        }
5161
5162        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
5163            .shape(ui::IconButtonShape::Square)
5164            .icon_size(IconSize::Small)
5165            .icon_color(Color::Ignored)
5166            .tooltip(Tooltip::text("Open Thread as Markdown"))
5167            .on_click(cx.listener(move |this, _, window, cx| {
5168                if let Some(workspace) = this.workspace.upgrade() {
5169                    this.open_thread_as_markdown(workspace, window, cx)
5170                        .detach_and_log_err(cx);
5171                }
5172            }));
5173
5174        let scroll_to_recent_user_prompt =
5175            IconButton::new("scroll_to_recent_user_prompt", IconName::ForwardArrow)
5176                .shape(ui::IconButtonShape::Square)
5177                .icon_size(IconSize::Small)
5178                .icon_color(Color::Ignored)
5179                .tooltip(Tooltip::text("Scroll To Most Recent User Prompt"))
5180                .on_click(cx.listener(move |this, _, _, cx| {
5181                    this.scroll_to_most_recent_user_prompt(cx);
5182                }));
5183
5184        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
5185            .shape(ui::IconButtonShape::Square)
5186            .icon_size(IconSize::Small)
5187            .icon_color(Color::Ignored)
5188            .tooltip(Tooltip::text("Scroll To Top"))
5189            .on_click(cx.listener(move |this, _, _, cx| {
5190                this.scroll_to_top(cx);
5191            }));
5192
5193        let mut container = h_flex()
5194            .w_full()
5195            .py_2()
5196            .px_5()
5197            .gap_px()
5198            .opacity(0.6)
5199            .hover(|s| s.opacity(1.))
5200            .justify_end();
5201
5202        if AgentSettings::get_global(cx).enable_feedback
5203            && self
5204                .thread()
5205                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
5206        {
5207            let feedback = self.thread_feedback.feedback;
5208
5209            let tooltip_meta = || {
5210                SharedString::new(
5211                    "Rating the thread sends all of your current conversation to the Zed team.",
5212                )
5213            };
5214
5215            container = container
5216                .child(
5217                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
5218                        .shape(ui::IconButtonShape::Square)
5219                        .icon_size(IconSize::Small)
5220                        .icon_color(match feedback {
5221                            Some(ThreadFeedback::Positive) => Color::Accent,
5222                            _ => Color::Ignored,
5223                        })
5224                        .tooltip(move |window, cx| match feedback {
5225                            Some(ThreadFeedback::Positive) => {
5226                                Tooltip::text("Thanks for your feedback!")(window, cx)
5227                            }
5228                            _ => Tooltip::with_meta("Helpful Response", None, tooltip_meta(), cx),
5229                        })
5230                        .on_click(cx.listener(move |this, _, window, cx| {
5231                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
5232                        })),
5233                )
5234                .child(
5235                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
5236                        .shape(ui::IconButtonShape::Square)
5237                        .icon_size(IconSize::Small)
5238                        .icon_color(match feedback {
5239                            Some(ThreadFeedback::Negative) => Color::Accent,
5240                            _ => Color::Ignored,
5241                        })
5242                        .tooltip(move |window, cx| match feedback {
5243                            Some(ThreadFeedback::Negative) => {
5244                                Tooltip::text(
5245                                    "We appreciate your feedback and will use it to improve in the future.",
5246                                )(window, cx)
5247                            }
5248                            _ => {
5249                                Tooltip::with_meta("Not Helpful Response", None, tooltip_meta(), cx)
5250                            }
5251                        })
5252                        .on_click(cx.listener(move |this, _, window, cx| {
5253                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
5254                        })),
5255                );
5256        }
5257
5258        container
5259            .child(open_as_markdown)
5260            .child(scroll_to_recent_user_prompt)
5261            .child(scroll_to_top)
5262            .into_any_element()
5263    }
5264
5265    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
5266        h_flex()
5267            .key_context("AgentFeedbackMessageEditor")
5268            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
5269                this.thread_feedback.dismiss_comments();
5270                cx.notify();
5271            }))
5272            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
5273                this.submit_feedback_message(cx);
5274            }))
5275            .p_2()
5276            .mb_2()
5277            .mx_5()
5278            .gap_1()
5279            .rounded_md()
5280            .border_1()
5281            .border_color(cx.theme().colors().border)
5282            .bg(cx.theme().colors().editor_background)
5283            .child(div().w_full().child(editor))
5284            .child(
5285                h_flex()
5286                    .child(
5287                        IconButton::new("dismiss-feedback-message", IconName::Close)
5288                            .icon_color(Color::Error)
5289                            .icon_size(IconSize::XSmall)
5290                            .shape(ui::IconButtonShape::Square)
5291                            .on_click(cx.listener(move |this, _, _window, cx| {
5292                                this.thread_feedback.dismiss_comments();
5293                                cx.notify();
5294                            })),
5295                    )
5296                    .child(
5297                        IconButton::new("submit-feedback-message", IconName::Return)
5298                            .icon_size(IconSize::XSmall)
5299                            .shape(ui::IconButtonShape::Square)
5300                            .on_click(cx.listener(move |this, _, _window, cx| {
5301                                this.submit_feedback_message(cx);
5302                            })),
5303                    ),
5304            )
5305    }
5306
5307    fn handle_feedback_click(
5308        &mut self,
5309        feedback: ThreadFeedback,
5310        window: &mut Window,
5311        cx: &mut Context<Self>,
5312    ) {
5313        let Some(thread) = self.thread().cloned() else {
5314            return;
5315        };
5316
5317        self.thread_feedback.submit(thread, feedback, window, cx);
5318        cx.notify();
5319    }
5320
5321    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
5322        let Some(thread) = self.thread().cloned() else {
5323            return;
5324        };
5325
5326        self.thread_feedback.submit_comments(thread, cx);
5327        cx.notify();
5328    }
5329
5330    fn render_token_limit_callout(
5331        &self,
5332        line_height: Pixels,
5333        cx: &mut Context<Self>,
5334    ) -> Option<Callout> {
5335        let token_usage = self.thread()?.read(cx).token_usage()?;
5336        let ratio = token_usage.ratio();
5337
5338        let (severity, title) = match ratio {
5339            acp_thread::TokenUsageRatio::Normal => return None,
5340            acp_thread::TokenUsageRatio::Warning => {
5341                (Severity::Warning, "Thread reaching the token limit soon")
5342            }
5343            acp_thread::TokenUsageRatio::Exceeded => {
5344                (Severity::Error, "Thread reached the token limit")
5345            }
5346        };
5347
5348        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
5349            thread.read(cx).completion_mode() == CompletionMode::Normal
5350                && thread
5351                    .read(cx)
5352                    .model()
5353                    .is_some_and(|model| model.supports_burn_mode())
5354        });
5355
5356        let description = if burn_mode_available {
5357            "To continue, start a new thread from a summary or turn Burn Mode on."
5358        } else {
5359            "To continue, start a new thread from a summary."
5360        };
5361
5362        Some(
5363            Callout::new()
5364                .severity(severity)
5365                .line_height(line_height)
5366                .title(title)
5367                .description(description)
5368                .actions_slot(
5369                    h_flex()
5370                        .gap_0p5()
5371                        .child(
5372                            Button::new("start-new-thread", "Start New Thread")
5373                                .label_size(LabelSize::Small)
5374                                .on_click(cx.listener(|this, _, window, cx| {
5375                                    let Some(thread) = this.thread() else {
5376                                        return;
5377                                    };
5378                                    let session_id = thread.read(cx).session_id().clone();
5379                                    window.dispatch_action(
5380                                        crate::NewNativeAgentThreadFromSummary {
5381                                            from_session_id: session_id,
5382                                        }
5383                                        .boxed_clone(),
5384                                        cx,
5385                                    );
5386                                })),
5387                        )
5388                        .when(burn_mode_available, |this| {
5389                            this.child(
5390                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
5391                                    .icon_size(IconSize::XSmall)
5392                                    .on_click(cx.listener(|this, _event, window, cx| {
5393                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5394                                    })),
5395                            )
5396                        }),
5397                ),
5398        )
5399    }
5400
5401    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
5402        if !self.is_using_zed_ai_models(cx) {
5403            return None;
5404        }
5405
5406        let user_store = self.project.read(cx).user_store().read(cx);
5407        if user_store.is_usage_based_billing_enabled() {
5408            return None;
5409        }
5410
5411        let plan = user_store
5412            .plan()
5413            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
5414
5415        let usage = user_store.model_request_usage()?;
5416
5417        Some(
5418            div()
5419                .child(UsageCallout::new(plan, usage))
5420                .line_height(line_height),
5421        )
5422    }
5423
5424    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
5425        self.entry_view_state.update(cx, |entry_view_state, cx| {
5426            entry_view_state.agent_ui_font_size_changed(cx);
5427        });
5428    }
5429
5430    pub(crate) fn insert_dragged_files(
5431        &self,
5432        paths: Vec<project::ProjectPath>,
5433        added_worktrees: Vec<Entity<project::Worktree>>,
5434        window: &mut Window,
5435        cx: &mut Context<Self>,
5436    ) {
5437        self.message_editor.update(cx, |message_editor, cx| {
5438            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5439        })
5440    }
5441
5442    /// Inserts the selected text into the message editor or the message being
5443    /// edited, if any.
5444    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5445        self.active_editor(cx).update(cx, |editor, cx| {
5446            editor.insert_selections(window, cx);
5447        });
5448    }
5449
5450    fn render_thread_retry_status_callout(
5451        &self,
5452        _window: &mut Window,
5453        _cx: &mut Context<Self>,
5454    ) -> Option<Callout> {
5455        let state = self.thread_retry_status.as_ref()?;
5456
5457        let next_attempt_in = state
5458            .duration
5459            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5460        if next_attempt_in.is_zero() {
5461            return None;
5462        }
5463
5464        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5465
5466        let retry_message = if state.max_attempts == 1 {
5467            if next_attempt_in_secs == 1 {
5468                "Retrying. Next attempt in 1 second.".to_string()
5469            } else {
5470                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5471            }
5472        } else if next_attempt_in_secs == 1 {
5473            format!(
5474                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5475                state.attempt, state.max_attempts,
5476            )
5477        } else {
5478            format!(
5479                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5480                state.attempt, state.max_attempts,
5481            )
5482        };
5483
5484        Some(
5485            Callout::new()
5486                .severity(Severity::Warning)
5487                .title(state.last_error.clone())
5488                .description(retry_message),
5489        )
5490    }
5491
5492    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Callout {
5493        Callout::new()
5494            .icon(IconName::Warning)
5495            .severity(Severity::Warning)
5496            .title("Codex on Windows")
5497            .description("For best performance, run Codex in Windows Subsystem for Linux (WSL2)")
5498            .actions_slot(
5499                Button::new("open-wsl-modal", "Open in WSL")
5500                    .icon_size(IconSize::Small)
5501                    .icon_color(Color::Muted)
5502                    .on_click(cx.listener({
5503                        move |_, _, _window, cx| {
5504                            #[cfg(windows)]
5505                            _window.dispatch_action(
5506                                zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5507                                cx,
5508                            );
5509                            cx.notify();
5510                        }
5511                    })),
5512            )
5513            .dismiss_action(
5514                IconButton::new("dismiss", IconName::Close)
5515                    .icon_size(IconSize::Small)
5516                    .icon_color(Color::Muted)
5517                    .tooltip(Tooltip::text("Dismiss Warning"))
5518                    .on_click(cx.listener({
5519                        move |this, _, _, cx| {
5520                            this.show_codex_windows_warning = false;
5521                            cx.notify();
5522                        }
5523                    })),
5524            )
5525    }
5526
5527    fn render_thread_error(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
5528        let content = match self.thread_error.as_ref()? {
5529            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), window, cx),
5530            ThreadError::Refusal => self.render_refusal_error(cx),
5531            ThreadError::AuthenticationRequired(error) => {
5532                self.render_authentication_required_error(error.clone(), cx)
5533            }
5534            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5535            ThreadError::ModelRequestLimitReached(plan) => {
5536                self.render_model_request_limit_reached_error(*plan, cx)
5537            }
5538            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5539        };
5540
5541        Some(div().child(content))
5542    }
5543
5544    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5545        v_flex().w_full().justify_end().child(
5546            h_flex()
5547                .p_2()
5548                .pr_3()
5549                .w_full()
5550                .gap_1p5()
5551                .border_t_1()
5552                .border_color(cx.theme().colors().border)
5553                .bg(cx.theme().colors().element_background)
5554                .child(
5555                    h_flex()
5556                        .flex_1()
5557                        .gap_1p5()
5558                        .child(
5559                            Icon::new(IconName::Download)
5560                                .color(Color::Accent)
5561                                .size(IconSize::Small),
5562                        )
5563                        .child(Label::new("New version available").size(LabelSize::Small)),
5564                )
5565                .child(
5566                    Button::new("update-button", format!("Update to v{}", version))
5567                        .label_size(LabelSize::Small)
5568                        .style(ButtonStyle::Tinted(TintColor::Accent))
5569                        .on_click(cx.listener(|this, _, window, cx| {
5570                            this.reset(window, cx);
5571                        })),
5572                ),
5573        )
5574    }
5575
5576    fn current_mode_id(&self, cx: &App) -> Option<Arc<str>> {
5577        if let Some(thread) = self.as_native_thread(cx) {
5578            Some(thread.read(cx).profile().0.clone())
5579        } else if let Some(mode_selector) = self.mode_selector() {
5580            Some(mode_selector.read(cx).mode().0)
5581        } else {
5582            None
5583        }
5584    }
5585
5586    fn current_model_id(&self, cx: &App) -> Option<String> {
5587        self.model_selector
5588            .as_ref()
5589            .and_then(|selector| selector.read(cx).active_model(cx).map(|m| m.id.to_string()))
5590    }
5591
5592    fn current_model_name(&self, cx: &App) -> SharedString {
5593        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5594        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5595        // This provides better clarity about what refused the request
5596        if self.as_native_connection(cx).is_some() {
5597            self.model_selector
5598                .as_ref()
5599                .and_then(|selector| selector.read(cx).active_model(cx))
5600                .map(|model| model.name.clone())
5601                .unwrap_or_else(|| SharedString::from("The model"))
5602        } else {
5603            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5604            self.agent.name()
5605        }
5606    }
5607
5608    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5609        let model_or_agent_name = self.current_model_name(cx);
5610        let refusal_message = format!(
5611            "{} refused to respond to this prompt. This can happen when a model believes the prompt violates its content policy or safety guidelines, so rephrasing it can sometimes address the issue.",
5612            model_or_agent_name
5613        );
5614
5615        Callout::new()
5616            .severity(Severity::Error)
5617            .title("Request Refused")
5618            .icon(IconName::XCircle)
5619            .description(refusal_message.clone())
5620            .actions_slot(self.create_copy_button(&refusal_message))
5621            .dismiss_action(self.dismiss_error_button(cx))
5622    }
5623
5624    fn render_any_thread_error(
5625        &mut self,
5626        error: SharedString,
5627        window: &mut Window,
5628        cx: &mut Context<'_, Self>,
5629    ) -> Callout {
5630        let can_resume = self
5631            .thread()
5632            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5633
5634        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5635            let thread = thread.read(cx);
5636            let supports_burn_mode = thread
5637                .model()
5638                .map_or(false, |model| model.supports_burn_mode());
5639            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5640        });
5641
5642        let markdown = if let Some(markdown) = &self.thread_error_markdown {
5643            markdown.clone()
5644        } else {
5645            let markdown = cx.new(|cx| Markdown::new(error.clone(), None, None, cx));
5646            self.thread_error_markdown = Some(markdown.clone());
5647            markdown
5648        };
5649
5650        let markdown_style = default_markdown_style(false, true, window, cx);
5651        let description = self
5652            .render_markdown(markdown, markdown_style)
5653            .into_any_element();
5654
5655        Callout::new()
5656            .severity(Severity::Error)
5657            .icon(IconName::XCircle)
5658            .title("An Error Happened")
5659            .description_slot(description)
5660            .actions_slot(
5661                h_flex()
5662                    .gap_0p5()
5663                    .when(can_resume && can_enable_burn_mode, |this| {
5664                        this.child(
5665                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5666                                .icon(IconName::ZedBurnMode)
5667                                .icon_position(IconPosition::Start)
5668                                .icon_size(IconSize::Small)
5669                                .label_size(LabelSize::Small)
5670                                .on_click(cx.listener(|this, _, window, cx| {
5671                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5672                                    this.resume_chat(cx);
5673                                })),
5674                        )
5675                    })
5676                    .when(can_resume, |this| {
5677                        this.child(
5678                            IconButton::new("retry", IconName::RotateCw)
5679                                .icon_size(IconSize::Small)
5680                                .tooltip(Tooltip::text("Retry Generation"))
5681                                .on_click(cx.listener(|this, _, _window, cx| {
5682                                    this.resume_chat(cx);
5683                                })),
5684                        )
5685                    })
5686                    .child(self.create_copy_button(error.to_string())),
5687            )
5688            .dismiss_action(self.dismiss_error_button(cx))
5689    }
5690
5691    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5692        const ERROR_MESSAGE: &str =
5693            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5694
5695        Callout::new()
5696            .severity(Severity::Error)
5697            .icon(IconName::XCircle)
5698            .title("Free Usage Exceeded")
5699            .description(ERROR_MESSAGE)
5700            .actions_slot(
5701                h_flex()
5702                    .gap_0p5()
5703                    .child(self.upgrade_button(cx))
5704                    .child(self.create_copy_button(ERROR_MESSAGE)),
5705            )
5706            .dismiss_action(self.dismiss_error_button(cx))
5707    }
5708
5709    fn render_authentication_required_error(
5710        &self,
5711        error: SharedString,
5712        cx: &mut Context<Self>,
5713    ) -> Callout {
5714        Callout::new()
5715            .severity(Severity::Error)
5716            .title("Authentication Required")
5717            .icon(IconName::XCircle)
5718            .description(error.clone())
5719            .actions_slot(
5720                h_flex()
5721                    .gap_0p5()
5722                    .child(self.authenticate_button(cx))
5723                    .child(self.create_copy_button(error)),
5724            )
5725            .dismiss_action(self.dismiss_error_button(cx))
5726    }
5727
5728    fn render_model_request_limit_reached_error(
5729        &self,
5730        plan: cloud_llm_client::Plan,
5731        cx: &mut Context<Self>,
5732    ) -> Callout {
5733        let error_message = match plan {
5734            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5735                "Upgrade to usage-based billing for more prompts."
5736            }
5737            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5738            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5739            cloud_llm_client::Plan::V2(_) => "",
5740        };
5741
5742        Callout::new()
5743            .severity(Severity::Error)
5744            .title("Model Prompt Limit Reached")
5745            .icon(IconName::XCircle)
5746            .description(error_message)
5747            .actions_slot(
5748                h_flex()
5749                    .gap_0p5()
5750                    .child(self.upgrade_button(cx))
5751                    .child(self.create_copy_button(error_message)),
5752            )
5753            .dismiss_action(self.dismiss_error_button(cx))
5754    }
5755
5756    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5757        let thread = self.as_native_thread(cx)?;
5758        let supports_burn_mode = thread
5759            .read(cx)
5760            .model()
5761            .is_some_and(|model| model.supports_burn_mode());
5762
5763        let focus_handle = self.focus_handle(cx);
5764
5765        Some(
5766            Callout::new()
5767                .icon(IconName::Info)
5768                .title("Consecutive tool use limit reached.")
5769                .actions_slot(
5770                    h_flex()
5771                        .gap_0p5()
5772                        .when(supports_burn_mode, |this| {
5773                            this.child(
5774                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5775                                    .style(ButtonStyle::Filled)
5776                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5777                                    .layer(ElevationIndex::ModalSurface)
5778                                    .label_size(LabelSize::Small)
5779                                    .key_binding(
5780                                        KeyBinding::for_action_in(
5781                                            &ContinueWithBurnMode,
5782                                            &focus_handle,
5783                                            cx,
5784                                        )
5785                                        .map(|kb| kb.size(rems_from_px(10.))),
5786                                    )
5787                                    .tooltip(Tooltip::text(
5788                                        "Enable Burn Mode for unlimited tool use.",
5789                                    ))
5790                                    .on_click({
5791                                        cx.listener(move |this, _, _window, cx| {
5792                                            thread.update(cx, |thread, cx| {
5793                                                thread
5794                                                    .set_completion_mode(CompletionMode::Burn, cx);
5795                                            });
5796                                            this.resume_chat(cx);
5797                                        })
5798                                    }),
5799                            )
5800                        })
5801                        .child(
5802                            Button::new("continue-conversation", "Continue")
5803                                .layer(ElevationIndex::ModalSurface)
5804                                .label_size(LabelSize::Small)
5805                                .key_binding(
5806                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5807                                        .map(|kb| kb.size(rems_from_px(10.))),
5808                                )
5809                                .on_click(cx.listener(|this, _, _window, cx| {
5810                                    this.resume_chat(cx);
5811                                })),
5812                        ),
5813                ),
5814        )
5815    }
5816
5817    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5818        let message = message.into();
5819
5820        IconButton::new("copy", IconName::Copy)
5821            .icon_size(IconSize::Small)
5822            .tooltip(Tooltip::text("Copy Error Message"))
5823            .on_click(move |_, _, cx| {
5824                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5825            })
5826    }
5827
5828    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5829        IconButton::new("dismiss", IconName::Close)
5830            .icon_size(IconSize::Small)
5831            .tooltip(Tooltip::text("Dismiss Error"))
5832            .on_click(cx.listener({
5833                move |this, _, _, cx| {
5834                    this.clear_thread_error(cx);
5835                    cx.notify();
5836                }
5837            }))
5838    }
5839
5840    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5841        Button::new("authenticate", "Authenticate")
5842            .label_size(LabelSize::Small)
5843            .style(ButtonStyle::Filled)
5844            .on_click(cx.listener({
5845                move |this, _, window, cx| {
5846                    let agent = this.agent.clone();
5847                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5848                        return;
5849                    };
5850
5851                    let connection = thread.read(cx).connection().clone();
5852                    this.clear_thread_error(cx);
5853                    if let Some(message) = this.in_flight_prompt.take() {
5854                        this.message_editor.update(cx, |editor, cx| {
5855                            editor.set_message(message, window, cx);
5856                        });
5857                    }
5858                    let this = cx.weak_entity();
5859                    window.defer(cx, |window, cx| {
5860                        Self::handle_auth_required(
5861                            this,
5862                            AuthRequired::new(),
5863                            agent,
5864                            connection,
5865                            window,
5866                            cx,
5867                        );
5868                    })
5869                }
5870            }))
5871    }
5872
5873    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5874        let agent = self.agent.clone();
5875        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5876            return;
5877        };
5878
5879        let connection = thread.read(cx).connection().clone();
5880        self.clear_thread_error(cx);
5881        let this = cx.weak_entity();
5882        window.defer(cx, |window, cx| {
5883            Self::handle_auth_required(this, AuthRequired::new(), agent, connection, window, cx);
5884        })
5885    }
5886
5887    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5888        Button::new("upgrade", "Upgrade")
5889            .label_size(LabelSize::Small)
5890            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5891            .on_click(cx.listener({
5892                move |this, _, _, cx| {
5893                    this.clear_thread_error(cx);
5894                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5895                }
5896            }))
5897    }
5898
5899    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5900        let task = match entry {
5901            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5902                history.delete_thread(thread.id.clone(), cx)
5903            }),
5904            HistoryEntry::TextThread(text_thread) => {
5905                self.history_store.update(cx, |history, cx| {
5906                    history.delete_text_thread(text_thread.path.clone(), cx)
5907                })
5908            }
5909        };
5910        task.detach_and_log_err(cx);
5911    }
5912
5913    /// Returns the currently active editor, either for a message that is being
5914    /// edited or the editor for a new message.
5915    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5916        if let Some(index) = self.editing_message
5917            && let Some(editor) = self
5918                .entry_view_state
5919                .read(cx)
5920                .entry(index)
5921                .and_then(|e| e.message_editor())
5922                .cloned()
5923        {
5924            editor
5925        } else {
5926            self.message_editor.clone()
5927        }
5928    }
5929}
5930
5931fn loading_contents_spinner(size: IconSize) -> AnyElement {
5932    Icon::new(IconName::LoadCircle)
5933        .size(size)
5934        .color(Color::Accent)
5935        .with_rotate_animation(3)
5936        .into_any_element()
5937}
5938
5939fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
5940    if agent_name == "Zed Agent" {
5941        format!("Message the {} — @ to include context", agent_name)
5942    } else if has_commands {
5943        format!(
5944            "Message {} — @ to include context, / for commands",
5945            agent_name
5946        )
5947    } else {
5948        format!("Message {} — @ to include context", agent_name)
5949    }
5950}
5951
5952impl Focusable for AcpThreadView {
5953    fn focus_handle(&self, cx: &App) -> FocusHandle {
5954        match self.thread_state {
5955            ThreadState::Ready { .. } => self.active_editor(cx).focus_handle(cx),
5956            ThreadState::Loading { .. }
5957            | ThreadState::LoadError(_)
5958            | ThreadState::Unauthenticated { .. } => self.focus_handle.clone(),
5959        }
5960    }
5961}
5962
5963impl Render for AcpThreadView {
5964    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5965        let has_messages = self.list_state.item_count() > 0;
5966        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5967
5968        v_flex()
5969            .size_full()
5970            .key_context("AcpThread")
5971            .on_action(cx.listener(Self::toggle_burn_mode))
5972            .on_action(cx.listener(Self::keep_all))
5973            .on_action(cx.listener(Self::reject_all))
5974            .on_action(cx.listener(Self::allow_always))
5975            .on_action(cx.listener(Self::allow_once))
5976            .on_action(cx.listener(Self::reject_once))
5977            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
5978                if let Some(profile_selector) = this.profile_selector.as_ref() {
5979                    profile_selector.read(cx).menu_handle().toggle(window, cx);
5980                } else if let Some(mode_selector) = this.mode_selector() {
5981                    mode_selector.read(cx).menu_handle().toggle(window, cx);
5982                }
5983            }))
5984            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
5985                if let Some(profile_selector) = this.profile_selector.as_ref() {
5986                    profile_selector.update(cx, |profile_selector, cx| {
5987                        profile_selector.cycle_profile(cx);
5988                    });
5989                } else if let Some(mode_selector) = this.mode_selector() {
5990                    mode_selector.update(cx, |mode_selector, cx| {
5991                        mode_selector.cycle_mode(window, cx);
5992                    });
5993                }
5994            }))
5995            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
5996                if let Some(model_selector) = this.model_selector.as_ref() {
5997                    model_selector
5998                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
5999                }
6000            }))
6001            .on_action(cx.listener(|this, _: &CycleFavoriteModels, window, cx| {
6002                if let Some(model_selector) = this.model_selector.as_ref() {
6003                    model_selector.update(cx, |model_selector, cx| {
6004                        model_selector.cycle_favorite_models(window, cx);
6005                    });
6006                }
6007            }))
6008            .track_focus(&self.focus_handle)
6009            .bg(cx.theme().colors().panel_background)
6010            .child(match &self.thread_state {
6011                ThreadState::Unauthenticated {
6012                    connection,
6013                    description,
6014                    configuration_view,
6015                    pending_auth_method,
6016                    ..
6017                } => v_flex()
6018                    .flex_1()
6019                    .size_full()
6020                    .justify_end()
6021                    .child(self.render_auth_required_state(
6022                        connection,
6023                        description.as_ref(),
6024                        configuration_view.as_ref(),
6025                        pending_auth_method.as_ref(),
6026                        window,
6027                        cx,
6028                    ))
6029                    .into_any_element(),
6030                ThreadState::Loading { .. } => v_flex()
6031                    .flex_1()
6032                    .child(self.render_recent_history(cx))
6033                    .into_any(),
6034                ThreadState::LoadError(e) => v_flex()
6035                    .flex_1()
6036                    .size_full()
6037                    .items_center()
6038                    .justify_end()
6039                    .child(self.render_load_error(e, window, cx))
6040                    .into_any(),
6041                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
6042                    if has_messages {
6043                        this.child(
6044                            list(
6045                                self.list_state.clone(),
6046                                cx.processor(|this, index: usize, window, cx| {
6047                                    let Some((entry, len)) = this.thread().and_then(|thread| {
6048                                        let entries = &thread.read(cx).entries();
6049                                        Some((entries.get(index)?, entries.len()))
6050                                    }) else {
6051                                        return Empty.into_any();
6052                                    };
6053                                    this.render_entry(index, len, entry, window, cx)
6054                                }),
6055                            )
6056                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
6057                            .flex_grow()
6058                            .into_any(),
6059                        )
6060                        .vertical_scrollbar_for(&self.list_state, window, cx)
6061                        .into_any()
6062                    } else {
6063                        this.child(self.render_recent_history(cx)).into_any()
6064                    }
6065                }),
6066            })
6067            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
6068            // above so that the scrollbar doesn't render behind it. The current setup allows
6069            // the scrollbar to stop exactly at the activity bar start.
6070            .when(has_messages, |this| match &self.thread_state {
6071                ThreadState::Ready { thread, .. } => {
6072                    this.children(self.render_activity_bar(thread, window, cx))
6073                }
6074                _ => this,
6075            })
6076            .children(self.render_thread_retry_status_callout(window, cx))
6077            .when(self.show_codex_windows_warning, |this| {
6078                this.child(self.render_codex_windows_warning(cx))
6079            })
6080            .children(self.render_thread_error(window, cx))
6081            .when_some(
6082                self.new_server_version_available.as_ref().filter(|_| {
6083                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
6084                }),
6085                |this, version| this.child(self.render_new_version_callout(&version, cx)),
6086            )
6087            .children(
6088                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
6089                    Some(usage_callout.into_any_element())
6090                } else {
6091                    self.render_token_limit_callout(line_height, cx)
6092                        .map(|token_limit_callout| token_limit_callout.into_any_element())
6093                },
6094            )
6095            .child(self.render_message_editor(window, cx))
6096    }
6097}
6098
6099fn default_markdown_style(
6100    buffer_font: bool,
6101    muted_text: bool,
6102    window: &Window,
6103    cx: &App,
6104) -> MarkdownStyle {
6105    let theme_settings = ThemeSettings::get_global(cx);
6106    let colors = cx.theme().colors();
6107
6108    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
6109
6110    let mut text_style = window.text_style();
6111    let line_height = buffer_font_size * 1.75;
6112
6113    let font_family = if buffer_font {
6114        theme_settings.buffer_font.family.clone()
6115    } else {
6116        theme_settings.ui_font.family.clone()
6117    };
6118
6119    let font_size = if buffer_font {
6120        theme_settings.agent_buffer_font_size(cx)
6121    } else {
6122        theme_settings.agent_ui_font_size(cx)
6123    };
6124
6125    let text_color = if muted_text {
6126        colors.text_muted
6127    } else {
6128        colors.text
6129    };
6130
6131    text_style.refine(&TextStyleRefinement {
6132        font_family: Some(font_family),
6133        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
6134        font_features: Some(theme_settings.ui_font.features.clone()),
6135        font_size: Some(font_size.into()),
6136        line_height: Some(line_height.into()),
6137        color: Some(text_color),
6138        ..Default::default()
6139    });
6140
6141    MarkdownStyle {
6142        base_text_style: text_style.clone(),
6143        syntax: cx.theme().syntax().clone(),
6144        selection_background_color: colors.element_selection_background,
6145        code_block_overflow_x_scroll: true,
6146        heading_level_styles: Some(HeadingLevelStyles {
6147            h1: Some(TextStyleRefinement {
6148                font_size: Some(rems(1.15).into()),
6149                ..Default::default()
6150            }),
6151            h2: Some(TextStyleRefinement {
6152                font_size: Some(rems(1.1).into()),
6153                ..Default::default()
6154            }),
6155            h3: Some(TextStyleRefinement {
6156                font_size: Some(rems(1.05).into()),
6157                ..Default::default()
6158            }),
6159            h4: Some(TextStyleRefinement {
6160                font_size: Some(rems(1.).into()),
6161                ..Default::default()
6162            }),
6163            h5: Some(TextStyleRefinement {
6164                font_size: Some(rems(0.95).into()),
6165                ..Default::default()
6166            }),
6167            h6: Some(TextStyleRefinement {
6168                font_size: Some(rems(0.875).into()),
6169                ..Default::default()
6170            }),
6171        }),
6172        code_block: StyleRefinement {
6173            padding: EdgesRefinement {
6174                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6175                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6176                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6177                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
6178            },
6179            margin: EdgesRefinement {
6180                top: Some(Length::Definite(px(8.).into())),
6181                left: Some(Length::Definite(px(0.).into())),
6182                right: Some(Length::Definite(px(0.).into())),
6183                bottom: Some(Length::Definite(px(12.).into())),
6184            },
6185            border_style: Some(BorderStyle::Solid),
6186            border_widths: EdgesRefinement {
6187                top: Some(AbsoluteLength::Pixels(px(1.))),
6188                left: Some(AbsoluteLength::Pixels(px(1.))),
6189                right: Some(AbsoluteLength::Pixels(px(1.))),
6190                bottom: Some(AbsoluteLength::Pixels(px(1.))),
6191            },
6192            border_color: Some(colors.border_variant),
6193            background: Some(colors.editor_background.into()),
6194            text: TextStyleRefinement {
6195                font_family: Some(theme_settings.buffer_font.family.clone()),
6196                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6197                font_features: Some(theme_settings.buffer_font.features.clone()),
6198                font_size: Some(buffer_font_size.into()),
6199                ..Default::default()
6200            },
6201            ..Default::default()
6202        },
6203        inline_code: TextStyleRefinement {
6204            font_family: Some(theme_settings.buffer_font.family.clone()),
6205            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6206            font_features: Some(theme_settings.buffer_font.features.clone()),
6207            font_size: Some(buffer_font_size.into()),
6208            background_color: Some(colors.editor_foreground.opacity(0.08)),
6209            ..Default::default()
6210        },
6211        link: TextStyleRefinement {
6212            background_color: Some(colors.editor_foreground.opacity(0.025)),
6213            color: Some(colors.text_accent),
6214            underline: Some(UnderlineStyle {
6215                color: Some(colors.text_accent.opacity(0.5)),
6216                thickness: px(1.),
6217                ..Default::default()
6218            }),
6219            ..Default::default()
6220        },
6221        ..Default::default()
6222    }
6223}
6224
6225fn plan_label_markdown_style(
6226    status: &acp::PlanEntryStatus,
6227    window: &Window,
6228    cx: &App,
6229) -> MarkdownStyle {
6230    let default_md_style = default_markdown_style(false, false, window, cx);
6231
6232    MarkdownStyle {
6233        base_text_style: TextStyle {
6234            color: cx.theme().colors().text_muted,
6235            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
6236                Some(gpui::StrikethroughStyle {
6237                    thickness: px(1.),
6238                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
6239                })
6240            } else {
6241                None
6242            },
6243            ..default_md_style.base_text_style
6244        },
6245        ..default_md_style
6246    }
6247}
6248
6249fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
6250    let default_md_style = default_markdown_style(true, false, window, cx);
6251
6252    MarkdownStyle {
6253        base_text_style: TextStyle {
6254            ..default_md_style.base_text_style
6255        },
6256        selection_background_color: cx.theme().colors().element_selection_background,
6257        ..Default::default()
6258    }
6259}
6260
6261#[cfg(test)]
6262pub(crate) mod tests {
6263    use acp_thread::StubAgentConnection;
6264    use agent_client_protocol::SessionId;
6265    use assistant_text_thread::TextThreadStore;
6266    use editor::MultiBufferOffset;
6267    use fs::FakeFs;
6268    use gpui::{EventEmitter, TestAppContext, VisualTestContext};
6269    use project::Project;
6270    use serde_json::json;
6271    use settings::SettingsStore;
6272    use std::any::Any;
6273    use std::path::Path;
6274    use workspace::Item;
6275
6276    use super::*;
6277
6278    #[gpui::test]
6279    async fn test_drop(cx: &mut TestAppContext) {
6280        init_test(cx);
6281
6282        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6283        let weak_view = thread_view.downgrade();
6284        drop(thread_view);
6285        assert!(!weak_view.is_upgradable());
6286    }
6287
6288    #[gpui::test]
6289    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
6290        init_test(cx);
6291
6292        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6293
6294        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6295        message_editor.update_in(cx, |editor, window, cx| {
6296            editor.set_text("Hello", window, cx);
6297        });
6298
6299        cx.deactivate_window();
6300
6301        thread_view.update_in(cx, |thread_view, window, cx| {
6302            thread_view.send(window, cx);
6303        });
6304
6305        cx.run_until_parked();
6306
6307        assert!(
6308            cx.windows()
6309                .iter()
6310                .any(|window| window.downcast::<AgentNotification>().is_some())
6311        );
6312    }
6313
6314    #[gpui::test]
6315    async fn test_notification_for_error(cx: &mut TestAppContext) {
6316        init_test(cx);
6317
6318        let (thread_view, cx) =
6319            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
6320
6321        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6322        message_editor.update_in(cx, |editor, window, cx| {
6323            editor.set_text("Hello", window, cx);
6324        });
6325
6326        cx.deactivate_window();
6327
6328        thread_view.update_in(cx, |thread_view, window, cx| {
6329            thread_view.send(window, cx);
6330        });
6331
6332        cx.run_until_parked();
6333
6334        assert!(
6335            cx.windows()
6336                .iter()
6337                .any(|window| window.downcast::<AgentNotification>().is_some())
6338        );
6339    }
6340
6341    #[gpui::test]
6342    async fn test_refusal_handling(cx: &mut TestAppContext) {
6343        init_test(cx);
6344
6345        let (thread_view, cx) =
6346            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
6347
6348        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6349        message_editor.update_in(cx, |editor, window, cx| {
6350            editor.set_text("Do something harmful", window, cx);
6351        });
6352
6353        thread_view.update_in(cx, |thread_view, window, cx| {
6354            thread_view.send(window, cx);
6355        });
6356
6357        cx.run_until_parked();
6358
6359        // Check that the refusal error is set
6360        thread_view.read_with(cx, |thread_view, _cx| {
6361            assert!(
6362                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
6363                "Expected refusal error to be set"
6364            );
6365        });
6366    }
6367
6368    #[gpui::test]
6369    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
6370        init_test(cx);
6371
6372        let tool_call_id = acp::ToolCallId::new("1");
6373        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
6374            .kind(acp::ToolKind::Edit)
6375            .content(vec!["hi".into()]);
6376        let connection =
6377            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6378                tool_call_id,
6379                vec![acp::PermissionOption::new(
6380                    "1",
6381                    "Allow",
6382                    acp::PermissionOptionKind::AllowOnce,
6383                )],
6384            )]));
6385
6386        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6387
6388        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6389
6390        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6391        message_editor.update_in(cx, |editor, window, cx| {
6392            editor.set_text("Hello", window, cx);
6393        });
6394
6395        cx.deactivate_window();
6396
6397        thread_view.update_in(cx, |thread_view, window, cx| {
6398            thread_view.send(window, cx);
6399        });
6400
6401        cx.run_until_parked();
6402
6403        assert!(
6404            cx.windows()
6405                .iter()
6406                .any(|window| window.downcast::<AgentNotification>().is_some())
6407        );
6408    }
6409
6410    #[gpui::test]
6411    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
6412        init_test(cx);
6413
6414        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6415
6416        add_to_workspace(thread_view.clone(), cx);
6417
6418        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6419
6420        message_editor.update_in(cx, |editor, window, cx| {
6421            editor.set_text("Hello", window, cx);
6422        });
6423
6424        // Window is active (don't deactivate), but panel will be hidden
6425        // Note: In the test environment, the panel is not actually added to the dock,
6426        // so is_agent_panel_hidden will return true
6427
6428        thread_view.update_in(cx, |thread_view, window, cx| {
6429            thread_view.send(window, cx);
6430        });
6431
6432        cx.run_until_parked();
6433
6434        // Should show notification because window is active but panel is hidden
6435        assert!(
6436            cx.windows()
6437                .iter()
6438                .any(|window| window.downcast::<AgentNotification>().is_some()),
6439            "Expected notification when panel is hidden"
6440        );
6441    }
6442
6443    #[gpui::test]
6444    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
6445        init_test(cx);
6446
6447        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6448
6449        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6450        message_editor.update_in(cx, |editor, window, cx| {
6451            editor.set_text("Hello", window, cx);
6452        });
6453
6454        // Deactivate window - should show notification regardless of setting
6455        cx.deactivate_window();
6456
6457        thread_view.update_in(cx, |thread_view, window, cx| {
6458            thread_view.send(window, cx);
6459        });
6460
6461        cx.run_until_parked();
6462
6463        // Should still show notification when window is inactive (existing behavior)
6464        assert!(
6465            cx.windows()
6466                .iter()
6467                .any(|window| window.downcast::<AgentNotification>().is_some()),
6468            "Expected notification when window is inactive"
6469        );
6470    }
6471
6472    #[gpui::test]
6473    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
6474        init_test(cx);
6475
6476        // Set notify_when_agent_waiting to Never
6477        cx.update(|cx| {
6478            AgentSettings::override_global(
6479                AgentSettings {
6480                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6481                    ..AgentSettings::get_global(cx).clone()
6482                },
6483                cx,
6484            );
6485        });
6486
6487        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6488
6489        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6490        message_editor.update_in(cx, |editor, window, cx| {
6491            editor.set_text("Hello", window, cx);
6492        });
6493
6494        // Window is active
6495
6496        thread_view.update_in(cx, |thread_view, window, cx| {
6497            thread_view.send(window, cx);
6498        });
6499
6500        cx.run_until_parked();
6501
6502        // Should NOT show notification because notify_when_agent_waiting is Never
6503        assert!(
6504            !cx.windows()
6505                .iter()
6506                .any(|window| window.downcast::<AgentNotification>().is_some()),
6507            "Expected no notification when notify_when_agent_waiting is Never"
6508        );
6509    }
6510
6511    #[gpui::test]
6512    async fn test_notification_closed_when_thread_view_dropped(cx: &mut TestAppContext) {
6513        init_test(cx);
6514
6515        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6516
6517        let weak_view = thread_view.downgrade();
6518
6519        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6520        message_editor.update_in(cx, |editor, window, cx| {
6521            editor.set_text("Hello", window, cx);
6522        });
6523
6524        cx.deactivate_window();
6525
6526        thread_view.update_in(cx, |thread_view, window, cx| {
6527            thread_view.send(window, cx);
6528        });
6529
6530        cx.run_until_parked();
6531
6532        // Verify notification is shown
6533        assert!(
6534            cx.windows()
6535                .iter()
6536                .any(|window| window.downcast::<AgentNotification>().is_some()),
6537            "Expected notification to be shown"
6538        );
6539
6540        // Drop the thread view (simulating navigation to a new thread)
6541        drop(thread_view);
6542        drop(message_editor);
6543        // Trigger an update to flush effects, which will call release_dropped_entities
6544        cx.update(|_window, _cx| {});
6545        cx.run_until_parked();
6546
6547        // Verify the entity was actually released
6548        assert!(
6549            !weak_view.is_upgradable(),
6550            "Thread view entity should be released after dropping"
6551        );
6552
6553        // The notification should be automatically closed via on_release
6554        assert!(
6555            !cx.windows()
6556                .iter()
6557                .any(|window| window.downcast::<AgentNotification>().is_some()),
6558            "Notification should be closed when thread view is dropped"
6559        );
6560    }
6561
6562    async fn setup_thread_view(
6563        agent: impl AgentServer + 'static,
6564        cx: &mut TestAppContext,
6565    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
6566        let fs = FakeFs::new(cx.executor());
6567        let project = Project::test(fs, [], cx).await;
6568        let (workspace, cx) =
6569            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6570
6571        let text_thread_store =
6572            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6573        let history_store =
6574            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6575
6576        let thread_view = cx.update(|window, cx| {
6577            cx.new(|cx| {
6578                AcpThreadView::new(
6579                    Rc::new(agent),
6580                    None,
6581                    None,
6582                    workspace.downgrade(),
6583                    project,
6584                    history_store,
6585                    None,
6586                    false,
6587                    window,
6588                    cx,
6589                )
6590            })
6591        });
6592        cx.run_until_parked();
6593        (thread_view, cx)
6594    }
6595
6596    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6597        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6598
6599        workspace
6600            .update_in(cx, |workspace, window, cx| {
6601                workspace.add_item_to_active_pane(
6602                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6603                    None,
6604                    true,
6605                    window,
6606                    cx,
6607                );
6608            })
6609            .unwrap();
6610    }
6611
6612    struct ThreadViewItem(Entity<AcpThreadView>);
6613
6614    impl Item for ThreadViewItem {
6615        type Event = ();
6616
6617        fn include_in_nav_history() -> bool {
6618            false
6619        }
6620
6621        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6622            "Test".into()
6623        }
6624    }
6625
6626    impl EventEmitter<()> for ThreadViewItem {}
6627
6628    impl Focusable for ThreadViewItem {
6629        fn focus_handle(&self, cx: &App) -> FocusHandle {
6630            self.0.read(cx).focus_handle(cx)
6631        }
6632    }
6633
6634    impl Render for ThreadViewItem {
6635        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6636            self.0.clone().into_any_element()
6637        }
6638    }
6639
6640    struct StubAgentServer<C> {
6641        connection: C,
6642    }
6643
6644    impl<C> StubAgentServer<C> {
6645        fn new(connection: C) -> Self {
6646            Self { connection }
6647        }
6648    }
6649
6650    impl StubAgentServer<StubAgentConnection> {
6651        fn default_response() -> Self {
6652            let conn = StubAgentConnection::new();
6653            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6654                acp::ContentChunk::new("Default response".into()),
6655            )]);
6656            Self::new(conn)
6657        }
6658    }
6659
6660    impl<C> AgentServer for StubAgentServer<C>
6661    where
6662        C: 'static + AgentConnection + Send + Clone,
6663    {
6664        fn logo(&self) -> ui::IconName {
6665            ui::IconName::Ai
6666        }
6667
6668        fn name(&self) -> SharedString {
6669            "Test".into()
6670        }
6671
6672        fn connect(
6673            &self,
6674            _root_dir: Option<&Path>,
6675            _delegate: AgentServerDelegate,
6676            _cx: &mut App,
6677        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6678            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6679        }
6680
6681        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6682            self
6683        }
6684    }
6685
6686    #[derive(Clone)]
6687    struct SaboteurAgentConnection;
6688
6689    impl AgentConnection for SaboteurAgentConnection {
6690        fn telemetry_id(&self) -> SharedString {
6691            "saboteur".into()
6692        }
6693
6694        fn new_thread(
6695            self: Rc<Self>,
6696            project: Entity<Project>,
6697            _cwd: &Path,
6698            cx: &mut gpui::App,
6699        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6700            Task::ready(Ok(cx.new(|cx| {
6701                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6702                AcpThread::new(
6703                    "SaboteurAgentConnection",
6704                    self,
6705                    project,
6706                    action_log,
6707                    SessionId::new("test"),
6708                    watch::Receiver::constant(
6709                        acp::PromptCapabilities::new()
6710                            .image(true)
6711                            .audio(true)
6712                            .embedded_context(true),
6713                    ),
6714                    cx,
6715                )
6716            })))
6717        }
6718
6719        fn auth_methods(&self) -> &[acp::AuthMethod] {
6720            &[]
6721        }
6722
6723        fn authenticate(
6724            &self,
6725            _method_id: acp::AuthMethodId,
6726            _cx: &mut App,
6727        ) -> Task<gpui::Result<()>> {
6728            unimplemented!()
6729        }
6730
6731        fn prompt(
6732            &self,
6733            _id: Option<acp_thread::UserMessageId>,
6734            _params: acp::PromptRequest,
6735            _cx: &mut App,
6736        ) -> Task<gpui::Result<acp::PromptResponse>> {
6737            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6738        }
6739
6740        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6741            unimplemented!()
6742        }
6743
6744        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6745            self
6746        }
6747    }
6748
6749    /// Simulates a model which always returns a refusal response
6750    #[derive(Clone)]
6751    struct RefusalAgentConnection;
6752
6753    impl AgentConnection for RefusalAgentConnection {
6754        fn telemetry_id(&self) -> SharedString {
6755            "refusal".into()
6756        }
6757
6758        fn new_thread(
6759            self: Rc<Self>,
6760            project: Entity<Project>,
6761            _cwd: &Path,
6762            cx: &mut gpui::App,
6763        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6764            Task::ready(Ok(cx.new(|cx| {
6765                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6766                AcpThread::new(
6767                    "RefusalAgentConnection",
6768                    self,
6769                    project,
6770                    action_log,
6771                    SessionId::new("test"),
6772                    watch::Receiver::constant(
6773                        acp::PromptCapabilities::new()
6774                            .image(true)
6775                            .audio(true)
6776                            .embedded_context(true),
6777                    ),
6778                    cx,
6779                )
6780            })))
6781        }
6782
6783        fn auth_methods(&self) -> &[acp::AuthMethod] {
6784            &[]
6785        }
6786
6787        fn authenticate(
6788            &self,
6789            _method_id: acp::AuthMethodId,
6790            _cx: &mut App,
6791        ) -> Task<gpui::Result<()>> {
6792            unimplemented!()
6793        }
6794
6795        fn prompt(
6796            &self,
6797            _id: Option<acp_thread::UserMessageId>,
6798            _params: acp::PromptRequest,
6799            _cx: &mut App,
6800        ) -> Task<gpui::Result<acp::PromptResponse>> {
6801            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
6802        }
6803
6804        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6805            unimplemented!()
6806        }
6807
6808        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6809            self
6810        }
6811    }
6812
6813    pub(crate) fn init_test(cx: &mut TestAppContext) {
6814        cx.update(|cx| {
6815            let settings_store = SettingsStore::test(cx);
6816            cx.set_global(settings_store);
6817            theme::init(theme::LoadThemes::JustBase, cx);
6818            release_channel::init(semver::Version::new(0, 0, 0), cx);
6819            prompt_store::init(cx)
6820        });
6821    }
6822
6823    #[gpui::test]
6824    async fn test_rewind_views(cx: &mut TestAppContext) {
6825        init_test(cx);
6826
6827        let fs = FakeFs::new(cx.executor());
6828        fs.insert_tree(
6829            "/project",
6830            json!({
6831                "test1.txt": "old content 1",
6832                "test2.txt": "old content 2"
6833            }),
6834        )
6835        .await;
6836        let project = Project::test(fs, [Path::new("/project")], cx).await;
6837        let (workspace, cx) =
6838            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6839
6840        let text_thread_store =
6841            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6842        let history_store =
6843            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6844
6845        let connection = Rc::new(StubAgentConnection::new());
6846        let thread_view = cx.update(|window, cx| {
6847            cx.new(|cx| {
6848                AcpThreadView::new(
6849                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6850                    None,
6851                    None,
6852                    workspace.downgrade(),
6853                    project.clone(),
6854                    history_store.clone(),
6855                    None,
6856                    false,
6857                    window,
6858                    cx,
6859                )
6860            })
6861        });
6862
6863        cx.run_until_parked();
6864
6865        let thread = thread_view
6866            .read_with(cx, |view, _| view.thread().cloned())
6867            .unwrap();
6868
6869        // First user message
6870        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
6871            acp::ToolCall::new("tool1", "Edit file 1")
6872                .kind(acp::ToolKind::Edit)
6873                .status(acp::ToolCallStatus::Completed)
6874                .content(vec![acp::ToolCallContent::Diff(
6875                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
6876                )]),
6877        )]);
6878
6879        thread
6880            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6881            .await
6882            .unwrap();
6883        cx.run_until_parked();
6884
6885        thread.read_with(cx, |thread, _| {
6886            assert_eq!(thread.entries().len(), 2);
6887        });
6888
6889        thread_view.read_with(cx, |view, cx| {
6890            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6891                assert!(
6892                    entry_view_state
6893                        .entry(0)
6894                        .unwrap()
6895                        .message_editor()
6896                        .is_some()
6897                );
6898                assert!(entry_view_state.entry(1).unwrap().has_content());
6899            });
6900        });
6901
6902        // Second user message
6903        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
6904            acp::ToolCall::new("tool2", "Edit file 2")
6905                .kind(acp::ToolKind::Edit)
6906                .status(acp::ToolCallStatus::Completed)
6907                .content(vec![acp::ToolCallContent::Diff(
6908                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
6909                )]),
6910        )]);
6911
6912        thread
6913            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6914            .await
6915            .unwrap();
6916        cx.run_until_parked();
6917
6918        let second_user_message_id = thread.read_with(cx, |thread, _| {
6919            assert_eq!(thread.entries().len(), 4);
6920            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6921                panic!();
6922            };
6923            user_message.id.clone().unwrap()
6924        });
6925
6926        thread_view.read_with(cx, |view, cx| {
6927            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6928                assert!(
6929                    entry_view_state
6930                        .entry(0)
6931                        .unwrap()
6932                        .message_editor()
6933                        .is_some()
6934                );
6935                assert!(entry_view_state.entry(1).unwrap().has_content());
6936                assert!(
6937                    entry_view_state
6938                        .entry(2)
6939                        .unwrap()
6940                        .message_editor()
6941                        .is_some()
6942                );
6943                assert!(entry_view_state.entry(3).unwrap().has_content());
6944            });
6945        });
6946
6947        // Rewind to first message
6948        thread
6949            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6950            .await
6951            .unwrap();
6952
6953        cx.run_until_parked();
6954
6955        thread.read_with(cx, |thread, _| {
6956            assert_eq!(thread.entries().len(), 2);
6957        });
6958
6959        thread_view.read_with(cx, |view, cx| {
6960            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6961                assert!(
6962                    entry_view_state
6963                        .entry(0)
6964                        .unwrap()
6965                        .message_editor()
6966                        .is_some()
6967                );
6968                assert!(entry_view_state.entry(1).unwrap().has_content());
6969
6970                // Old views should be dropped
6971                assert!(entry_view_state.entry(2).is_none());
6972                assert!(entry_view_state.entry(3).is_none());
6973            });
6974        });
6975    }
6976
6977    #[gpui::test]
6978    async fn test_scroll_to_most_recent_user_prompt(cx: &mut TestAppContext) {
6979        init_test(cx);
6980
6981        let connection = StubAgentConnection::new();
6982
6983        // Each user prompt will result in a user message entry plus an agent message entry.
6984        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6985            acp::ContentChunk::new("Response 1".into()),
6986        )]);
6987
6988        let (thread_view, cx) =
6989            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6990
6991        let thread = thread_view
6992            .read_with(cx, |view, _| view.thread().cloned())
6993            .unwrap();
6994
6995        thread
6996            .update(cx, |thread, cx| thread.send_raw("Prompt 1", cx))
6997            .await
6998            .unwrap();
6999        cx.run_until_parked();
7000
7001        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7002            acp::ContentChunk::new("Response 2".into()),
7003        )]);
7004
7005        thread
7006            .update(cx, |thread, cx| thread.send_raw("Prompt 2", cx))
7007            .await
7008            .unwrap();
7009        cx.run_until_parked();
7010
7011        // Move somewhere else first so we're not trivially already on the last user prompt.
7012        thread_view.update(cx, |view, cx| {
7013            view.scroll_to_top(cx);
7014        });
7015        cx.run_until_parked();
7016
7017        thread_view.update(cx, |view, cx| {
7018            view.scroll_to_most_recent_user_prompt(cx);
7019            let scroll_top = view.list_state.logical_scroll_top();
7020            // Entries layout is: [User1, Assistant1, User2, Assistant2]
7021            assert_eq!(scroll_top.item_ix, 2);
7022        });
7023    }
7024
7025    #[gpui::test]
7026    async fn test_scroll_to_most_recent_user_prompt_falls_back_to_bottom_without_user_messages(
7027        cx: &mut TestAppContext,
7028    ) {
7029        init_test(cx);
7030
7031        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
7032
7033        // With no entries, scrolling should be a no-op and must not panic.
7034        thread_view.update(cx, |view, cx| {
7035            view.scroll_to_most_recent_user_prompt(cx);
7036            let scroll_top = view.list_state.logical_scroll_top();
7037            assert_eq!(scroll_top.item_ix, 0);
7038        });
7039    }
7040
7041    #[gpui::test]
7042    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
7043        init_test(cx);
7044
7045        let connection = StubAgentConnection::new();
7046
7047        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7048            acp::ContentChunk::new("Response".into()),
7049        )]);
7050
7051        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7052        add_to_workspace(thread_view.clone(), cx);
7053
7054        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7055        message_editor.update_in(cx, |editor, window, cx| {
7056            editor.set_text("Original message to edit", window, cx);
7057        });
7058        thread_view.update_in(cx, |thread_view, window, cx| {
7059            thread_view.send(window, cx);
7060        });
7061
7062        cx.run_until_parked();
7063
7064        let user_message_editor = thread_view.read_with(cx, |view, cx| {
7065            assert_eq!(view.editing_message, None);
7066
7067            view.entry_view_state
7068                .read(cx)
7069                .entry(0)
7070                .unwrap()
7071                .message_editor()
7072                .unwrap()
7073                .clone()
7074        });
7075
7076        // Focus
7077        cx.focus(&user_message_editor);
7078        thread_view.read_with(cx, |view, _cx| {
7079            assert_eq!(view.editing_message, Some(0));
7080        });
7081
7082        // Edit
7083        user_message_editor.update_in(cx, |editor, window, cx| {
7084            editor.set_text("Edited message content", window, cx);
7085        });
7086
7087        // Cancel
7088        user_message_editor.update_in(cx, |_editor, window, cx| {
7089            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
7090        });
7091
7092        thread_view.read_with(cx, |view, _cx| {
7093            assert_eq!(view.editing_message, None);
7094        });
7095
7096        user_message_editor.read_with(cx, |editor, cx| {
7097            assert_eq!(editor.text(cx), "Original message to edit");
7098        });
7099    }
7100
7101    #[gpui::test]
7102    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
7103        init_test(cx);
7104
7105        let connection = StubAgentConnection::new();
7106
7107        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7108        add_to_workspace(thread_view.clone(), cx);
7109
7110        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7111        let mut events = cx.events(&message_editor);
7112        message_editor.update_in(cx, |editor, window, cx| {
7113            editor.set_text("", window, cx);
7114        });
7115
7116        message_editor.update_in(cx, |_editor, window, cx| {
7117            window.dispatch_action(Box::new(Chat), cx);
7118        });
7119        cx.run_until_parked();
7120        // We shouldn't have received any messages
7121        assert!(matches!(
7122            events.try_next(),
7123            Err(futures::channel::mpsc::TryRecvError { .. })
7124        ));
7125    }
7126
7127    #[gpui::test]
7128    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
7129        init_test(cx);
7130
7131        let connection = StubAgentConnection::new();
7132
7133        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7134            acp::ContentChunk::new("Response".into()),
7135        )]);
7136
7137        let (thread_view, cx) =
7138            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7139        add_to_workspace(thread_view.clone(), cx);
7140
7141        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7142        message_editor.update_in(cx, |editor, window, cx| {
7143            editor.set_text("Original message to edit", window, cx);
7144        });
7145        thread_view.update_in(cx, |thread_view, window, cx| {
7146            thread_view.send(window, cx);
7147        });
7148
7149        cx.run_until_parked();
7150
7151        let user_message_editor = thread_view.read_with(cx, |view, cx| {
7152            assert_eq!(view.editing_message, None);
7153            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
7154
7155            view.entry_view_state
7156                .read(cx)
7157                .entry(0)
7158                .unwrap()
7159                .message_editor()
7160                .unwrap()
7161                .clone()
7162        });
7163
7164        // Focus
7165        cx.focus(&user_message_editor);
7166
7167        // Edit
7168        user_message_editor.update_in(cx, |editor, window, cx| {
7169            editor.set_text("Edited message content", window, cx);
7170        });
7171
7172        // Send
7173        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7174            acp::ContentChunk::new("New Response".into()),
7175        )]);
7176
7177        user_message_editor.update_in(cx, |_editor, window, cx| {
7178            window.dispatch_action(Box::new(Chat), cx);
7179        });
7180
7181        cx.run_until_parked();
7182
7183        thread_view.read_with(cx, |view, cx| {
7184            assert_eq!(view.editing_message, None);
7185
7186            let entries = view.thread().unwrap().read(cx).entries();
7187            assert_eq!(entries.len(), 2);
7188            assert_eq!(
7189                entries[0].to_markdown(cx),
7190                "## User\n\nEdited message content\n\n"
7191            );
7192            assert_eq!(
7193                entries[1].to_markdown(cx),
7194                "## Assistant\n\nNew Response\n\n"
7195            );
7196
7197            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
7198                assert!(!state.entry(1).unwrap().has_content());
7199                state.entry(0).unwrap().message_editor().unwrap().clone()
7200            });
7201
7202            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
7203        })
7204    }
7205
7206    #[gpui::test]
7207    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
7208        init_test(cx);
7209
7210        let connection = StubAgentConnection::new();
7211
7212        let (thread_view, cx) =
7213            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7214        add_to_workspace(thread_view.clone(), cx);
7215
7216        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7217        message_editor.update_in(cx, |editor, window, cx| {
7218            editor.set_text("Original message to edit", window, cx);
7219        });
7220        thread_view.update_in(cx, |thread_view, window, cx| {
7221            thread_view.send(window, cx);
7222        });
7223
7224        cx.run_until_parked();
7225
7226        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
7227            let thread = view.thread().unwrap().read(cx);
7228            assert_eq!(thread.entries().len(), 1);
7229
7230            let editor = view
7231                .entry_view_state
7232                .read(cx)
7233                .entry(0)
7234                .unwrap()
7235                .message_editor()
7236                .unwrap()
7237                .clone();
7238
7239            (editor, thread.session_id().clone())
7240        });
7241
7242        // Focus
7243        cx.focus(&user_message_editor);
7244
7245        thread_view.read_with(cx, |view, _cx| {
7246            assert_eq!(view.editing_message, Some(0));
7247        });
7248
7249        // Edit
7250        user_message_editor.update_in(cx, |editor, window, cx| {
7251            editor.set_text("Edited message content", window, cx);
7252        });
7253
7254        thread_view.read_with(cx, |view, _cx| {
7255            assert_eq!(view.editing_message, Some(0));
7256        });
7257
7258        // Finish streaming response
7259        cx.update(|_, cx| {
7260            connection.send_update(
7261                session_id.clone(),
7262                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
7263                cx,
7264            );
7265            connection.end_turn(session_id, acp::StopReason::EndTurn);
7266        });
7267
7268        thread_view.read_with(cx, |view, _cx| {
7269            assert_eq!(view.editing_message, Some(0));
7270        });
7271
7272        cx.run_until_parked();
7273
7274        // Should still be editing
7275        cx.update(|window, cx| {
7276            assert!(user_message_editor.focus_handle(cx).is_focused(window));
7277            assert_eq!(thread_view.read(cx).editing_message, Some(0));
7278            assert_eq!(
7279                user_message_editor.read(cx).text(cx),
7280                "Edited message content"
7281            );
7282        });
7283    }
7284
7285    #[gpui::test]
7286    async fn test_interrupt(cx: &mut TestAppContext) {
7287        init_test(cx);
7288
7289        let connection = StubAgentConnection::new();
7290
7291        let (thread_view, cx) =
7292            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7293        add_to_workspace(thread_view.clone(), cx);
7294
7295        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7296        message_editor.update_in(cx, |editor, window, cx| {
7297            editor.set_text("Message 1", window, cx);
7298        });
7299        thread_view.update_in(cx, |thread_view, window, cx| {
7300            thread_view.send(window, cx);
7301        });
7302
7303        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
7304            let thread = view.thread().unwrap();
7305
7306            (thread.clone(), thread.read(cx).session_id().clone())
7307        });
7308
7309        cx.run_until_parked();
7310
7311        cx.update(|_, cx| {
7312            connection.send_update(
7313                session_id.clone(),
7314                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7315                    "Message 1 resp".into(),
7316                )),
7317                cx,
7318            );
7319        });
7320
7321        cx.run_until_parked();
7322
7323        thread.read_with(cx, |thread, cx| {
7324            assert_eq!(
7325                thread.to_markdown(cx),
7326                indoc::indoc! {"
7327                    ## User
7328
7329                    Message 1
7330
7331                    ## Assistant
7332
7333                    Message 1 resp
7334
7335                "}
7336            )
7337        });
7338
7339        message_editor.update_in(cx, |editor, window, cx| {
7340            editor.set_text("Message 2", window, cx);
7341        });
7342        thread_view.update_in(cx, |thread_view, window, cx| {
7343            thread_view.send(window, cx);
7344        });
7345
7346        cx.update(|_, cx| {
7347            // Simulate a response sent after beginning to cancel
7348            connection.send_update(
7349                session_id.clone(),
7350                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
7351                cx,
7352            );
7353        });
7354
7355        cx.run_until_parked();
7356
7357        // Last Message 1 response should appear before Message 2
7358        thread.read_with(cx, |thread, cx| {
7359            assert_eq!(
7360                thread.to_markdown(cx),
7361                indoc::indoc! {"
7362                    ## User
7363
7364                    Message 1
7365
7366                    ## Assistant
7367
7368                    Message 1 response
7369
7370                    ## User
7371
7372                    Message 2
7373
7374                "}
7375            )
7376        });
7377
7378        cx.update(|_, cx| {
7379            connection.send_update(
7380                session_id.clone(),
7381                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
7382                    "Message 2 response".into(),
7383                )),
7384                cx,
7385            );
7386            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
7387        });
7388
7389        cx.run_until_parked();
7390
7391        thread.read_with(cx, |thread, cx| {
7392            assert_eq!(
7393                thread.to_markdown(cx),
7394                indoc::indoc! {"
7395                    ## User
7396
7397                    Message 1
7398
7399                    ## Assistant
7400
7401                    Message 1 response
7402
7403                    ## User
7404
7405                    Message 2
7406
7407                    ## Assistant
7408
7409                    Message 2 response
7410
7411                "}
7412            )
7413        });
7414    }
7415
7416    #[gpui::test]
7417    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
7418        init_test(cx);
7419
7420        let connection = StubAgentConnection::new();
7421        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7422            acp::ContentChunk::new("Response".into()),
7423        )]);
7424
7425        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7426        add_to_workspace(thread_view.clone(), cx);
7427
7428        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7429        message_editor.update_in(cx, |editor, window, cx| {
7430            editor.set_text("Original message to edit", window, cx)
7431        });
7432        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
7433        cx.run_until_parked();
7434
7435        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
7436            thread_view
7437                .entry_view_state
7438                .read(cx)
7439                .entry(0)
7440                .expect("Should have at least one entry")
7441                .message_editor()
7442                .expect("Should have message editor")
7443                .clone()
7444        });
7445
7446        cx.focus(&user_message_editor);
7447        thread_view.read_with(cx, |thread_view, _cx| {
7448            assert_eq!(thread_view.editing_message, Some(0));
7449        });
7450
7451        // Ensure to edit the focused message before proceeding otherwise, since
7452        // its content is not different from what was sent, focus will be lost.
7453        user_message_editor.update_in(cx, |editor, window, cx| {
7454            editor.set_text("Original message to edit with ", window, cx)
7455        });
7456
7457        // Create a simple buffer with some text so we can create a selection
7458        // that will then be added to the message being edited.
7459        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7460            (thread_view.workspace.clone(), thread_view.project.clone())
7461        });
7462        let buffer = project.update(cx, |project, cx| {
7463            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7464        });
7465
7466        workspace
7467            .update_in(cx, |workspace, window, cx| {
7468                let editor = cx.new(|cx| {
7469                    let mut editor =
7470                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7471
7472                    editor.change_selections(Default::default(), window, cx, |selections| {
7473                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7474                    });
7475
7476                    editor
7477                });
7478                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7479            })
7480            .unwrap();
7481
7482        thread_view.update_in(cx, |thread_view, window, cx| {
7483            assert_eq!(thread_view.editing_message, Some(0));
7484            thread_view.insert_selections(window, cx);
7485        });
7486
7487        user_message_editor.read_with(cx, |editor, cx| {
7488            let text = editor.editor().read(cx).text(cx);
7489            let expected_text = String::from("Original message to edit with selection ");
7490
7491            assert_eq!(text, expected_text);
7492        });
7493    }
7494
7495    #[gpui::test]
7496    async fn test_insert_selections(cx: &mut TestAppContext) {
7497        init_test(cx);
7498
7499        let connection = StubAgentConnection::new();
7500        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7501            acp::ContentChunk::new("Response".into()),
7502        )]);
7503
7504        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7505        add_to_workspace(thread_view.clone(), cx);
7506
7507        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7508        message_editor.update_in(cx, |editor, window, cx| {
7509            editor.set_text("Can you review this snippet ", window, cx)
7510        });
7511
7512        // Create a simple buffer with some text so we can create a selection
7513        // that will then be added to the message being edited.
7514        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7515            (thread_view.workspace.clone(), thread_view.project.clone())
7516        });
7517        let buffer = project.update(cx, |project, cx| {
7518            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7519        });
7520
7521        workspace
7522            .update_in(cx, |workspace, window, cx| {
7523                let editor = cx.new(|cx| {
7524                    let mut editor =
7525                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7526
7527                    editor.change_selections(Default::default(), window, cx, |selections| {
7528                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7529                    });
7530
7531                    editor
7532                });
7533                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7534            })
7535            .unwrap();
7536
7537        thread_view.update_in(cx, |thread_view, window, cx| {
7538            assert_eq!(thread_view.editing_message, None);
7539            thread_view.insert_selections(window, cx);
7540        });
7541
7542        thread_view.read_with(cx, |thread_view, cx| {
7543            let text = thread_view.message_editor.read(cx).text(cx);
7544            let expected_txt = String::from("Can you review this snippet selection ");
7545
7546            assert_eq!(text, expected_txt);
7547        })
7548    }
7549}