thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent::{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, bail};
  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::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  21use file_icons::FileIcons;
  22use fs::Fs;
  23use futures::FutureExt as _;
  24use gpui::{
  25    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  26    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  27    ListOffset, ListState, PlatformDisplay, SharedString, StyleRefinement, Subscription, Task,
  28    TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window, WindowHandle, div,
  29    ease_in_out, linear_color_stop, linear_gradient, list, point, pulsating_between,
  30};
  31use language::Buffer;
  32
  33use language_model::LanguageModelRegistry;
  34use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  35use project::{Project, ProjectEntryId};
  36use prompt_store::{PromptId, PromptStore};
  37use rope::Point;
  38use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  39use std::cell::RefCell;
  40use std::path::Path;
  41use std::sync::Arc;
  42use std::time::Instant;
  43use std::{collections::BTreeMap, rc::Rc, time::Duration};
  44use terminal_view::terminal_panel::TerminalPanel;
  45use text::Anchor;
  46use theme::{AgentFontSize, ThemeSettings};
  47use ui::{
  48    Callout, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  49    PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip, WithScrollbar, prelude::*,
  50};
  51use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  52use workspace::{CollaboratorId, Workspace};
  53use zed_actions::agent::{Chat, ToggleModelSelector};
  54use zed_actions::assistant::OpenRulesLibrary;
  55
  56use super::entry_view_state::EntryViewState;
  57use crate::acp::AcpModelSelectorPopover;
  58use crate::acp::ModeSelector;
  59use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  60use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  61use crate::agent_diff::AgentDiff;
  62use crate::profile_selector::{ProfileProvider, ProfileSelector};
  63
  64use crate::ui::{
  65    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  66    UsageCallout,
  67};
  68use crate::{
  69    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
  70    CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, OpenAgentDiff, OpenHistory, RejectAll,
  71    RejectOnce, ToggleBurnMode, ToggleProfileSelector,
  72};
  73
  74#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  75enum ThreadFeedback {
  76    Positive,
  77    Negative,
  78}
  79
  80#[derive(Debug)]
  81enum ThreadError {
  82    PaymentRequired,
  83    ModelRequestLimitReached(cloud_llm_client::Plan),
  84    ToolUseLimitReached,
  85    Refusal,
  86    AuthenticationRequired(SharedString),
  87    Other(SharedString),
  88}
  89
  90impl ThreadError {
  91    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  92        if error.is::<language_model::PaymentRequiredError>() {
  93            Self::PaymentRequired
  94        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  95            Self::ToolUseLimitReached
  96        } else if let Some(error) =
  97            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  98        {
  99            Self::ModelRequestLimitReached(error.plan)
 100        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 101            && acp_error.code == acp::ErrorCode::AUTH_REQUIRED.code
 102        {
 103            Self::AuthenticationRequired(acp_error.message.clone().into())
 104        } else {
 105            let string = error.to_string();
 106            // TODO: we should have Gemini return better errors here.
 107            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 108                && string.contains("Could not load the default credentials")
 109                || string.contains("API key not valid")
 110                || string.contains("Request had invalid authentication credentials")
 111            {
 112                Self::AuthenticationRequired(string.into())
 113            } else {
 114                Self::Other(error.to_string().into())
 115            }
 116        }
 117    }
 118}
 119
 120impl ProfileProvider for Entity<agent::Thread> {
 121    fn profile_id(&self, cx: &App) -> AgentProfileId {
 122        self.read(cx).profile().clone()
 123    }
 124
 125    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 126        self.update(cx, |thread, _cx| {
 127            thread.set_profile(profile_id);
 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_name = telemetry.agent_name();
 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                session_id = session_id,
 181                rating = rating,
 182                agent = agent_name,
 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_name = telemetry.agent_name();
 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                session_id = session_id,
 214                comments = comments,
 215                agent = agent_name,
 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);
 257        editor
 258    }
 259}
 260
 261pub struct AcpThreadView {
 262    agent: Rc<dyn AgentServer>,
 263    workspace: WeakEntity<Workspace>,
 264    project: Entity<Project>,
 265    thread_state: ThreadState,
 266    login: Option<task::SpawnInTerminal>,
 267    history_store: Entity<HistoryStore>,
 268    hovered_recent_history_item: Option<usize>,
 269    entry_view_state: Entity<EntryViewState>,
 270    message_editor: Entity<MessageEditor>,
 271    focus_handle: FocusHandle,
 272    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 273    profile_selector: Option<Entity<ProfileSelector>>,
 274    notifications: Vec<WindowHandle<AgentNotification>>,
 275    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 276    thread_retry_status: Option<RetryStatus>,
 277    thread_error: Option<ThreadError>,
 278    thread_feedback: ThreadFeedbackState,
 279    list_state: ListState,
 280    auth_task: Option<Task<()>>,
 281    expanded_tool_calls: HashSet<acp::ToolCallId>,
 282    expanded_thinking_blocks: HashSet<(usize, usize)>,
 283    edits_expanded: bool,
 284    plan_expanded: bool,
 285    editor_expanded: bool,
 286    should_be_following: bool,
 287    editing_message: Option<usize>,
 288    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 289    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 290    is_loading_contents: bool,
 291    new_server_version_available: Option<SharedString>,
 292    resume_thread_metadata: Option<DbThreadMetadata>,
 293    _cancel_task: Option<Task<()>>,
 294    _subscriptions: [Subscription; 5],
 295    #[cfg(target_os = "windows")]
 296    show_codex_windows_warning: bool,
 297}
 298
 299enum ThreadState {
 300    Loading(Entity<LoadingView>),
 301    Ready {
 302        thread: Entity<AcpThread>,
 303        title_editor: Option<Entity<Editor>>,
 304        mode_selector: Option<Entity<ModeSelector>>,
 305        _subscriptions: Vec<Subscription>,
 306    },
 307    LoadError(LoadError),
 308    Unauthenticated {
 309        connection: Rc<dyn AgentConnection>,
 310        description: Option<Entity<Markdown>>,
 311        configuration_view: Option<AnyView>,
 312        pending_auth_method: Option<acp::AuthMethodId>,
 313        _subscription: Option<Subscription>,
 314    },
 315}
 316
 317struct LoadingView {
 318    title: SharedString,
 319    _load_task: Task<()>,
 320    _update_title_task: Task<anyhow::Result<()>>,
 321}
 322
 323impl AcpThreadView {
 324    pub fn new(
 325        agent: Rc<dyn AgentServer>,
 326        resume_thread: Option<DbThreadMetadata>,
 327        summarize_thread: Option<DbThreadMetadata>,
 328        workspace: WeakEntity<Workspace>,
 329        project: Entity<Project>,
 330        history_store: Entity<HistoryStore>,
 331        prompt_store: Option<Entity<PromptStore>>,
 332        window: &mut Window,
 333        cx: &mut Context<Self>,
 334    ) -> Self {
 335        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 336        let available_commands = Rc::new(RefCell::new(vec![]));
 337
 338        let placeholder = if agent.name() == "Zed Agent" {
 339            format!("Message the {} — @ to include context", agent.name())
 340        } else if agent.name() == "Claude Code"
 341            || agent.name() == "Codex"
 342            || !available_commands.borrow().is_empty()
 343        {
 344            format!(
 345                "Message {} — @ to include context, / for commands",
 346                agent.name()
 347            )
 348        } else {
 349            format!("Message {} — @ to include context", agent.name())
 350        };
 351
 352        let message_editor = cx.new(|cx| {
 353            let mut editor = MessageEditor::new(
 354                workspace.clone(),
 355                project.clone(),
 356                history_store.clone(),
 357                prompt_store.clone(),
 358                prompt_capabilities.clone(),
 359                available_commands.clone(),
 360                agent.name(),
 361                &placeholder,
 362                editor::EditorMode::AutoHeight {
 363                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 364                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 365                },
 366                window,
 367                cx,
 368            );
 369            if let Some(entry) = summarize_thread {
 370                editor.insert_thread_summary(entry, window, cx);
 371            }
 372            editor
 373        });
 374
 375        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 376
 377        let entry_view_state = cx.new(|_| {
 378            EntryViewState::new(
 379                workspace.clone(),
 380                project.clone(),
 381                history_store.clone(),
 382                prompt_store.clone(),
 383                prompt_capabilities.clone(),
 384                available_commands.clone(),
 385                agent.name(),
 386            )
 387        });
 388
 389        let agent_server_store = project.read(cx).agent_server_store().clone();
 390        let subscriptions = [
 391            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 392            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 393            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 394            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 395            cx.subscribe_in(
 396                &agent_server_store,
 397                window,
 398                Self::handle_agent_servers_updated,
 399            ),
 400        ];
 401
 402        #[cfg(target_os = "windows")]
 403        let show_codex_windows_warning = crate::ExternalAgent::parse_built_in(agent.as_ref())
 404            == Some(crate::ExternalAgent::Codex);
 405
 406        Self {
 407            agent: agent.clone(),
 408            workspace: workspace.clone(),
 409            project: project.clone(),
 410            entry_view_state,
 411            thread_state: Self::initial_state(
 412                agent.clone(),
 413                resume_thread.clone(),
 414                workspace.clone(),
 415                project.clone(),
 416                window,
 417                cx,
 418            ),
 419            login: None,
 420            message_editor,
 421            model_selector: None,
 422            profile_selector: None,
 423
 424            notifications: Vec::new(),
 425            notification_subscriptions: HashMap::default(),
 426            list_state: list_state,
 427            thread_retry_status: None,
 428            thread_error: None,
 429            thread_feedback: Default::default(),
 430            auth_task: None,
 431            expanded_tool_calls: HashSet::default(),
 432            expanded_thinking_blocks: HashSet::default(),
 433            editing_message: None,
 434            edits_expanded: false,
 435            plan_expanded: false,
 436            prompt_capabilities,
 437            available_commands,
 438            editor_expanded: false,
 439            should_be_following: false,
 440            history_store,
 441            hovered_recent_history_item: None,
 442            is_loading_contents: false,
 443            _subscriptions: subscriptions,
 444            _cancel_task: None,
 445            focus_handle: cx.focus_handle(),
 446            new_server_version_available: None,
 447            resume_thread_metadata: resume_thread,
 448            #[cfg(target_os = "windows")]
 449            show_codex_windows_warning,
 450        }
 451    }
 452
 453    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 454        self.thread_state = Self::initial_state(
 455            self.agent.clone(),
 456            self.resume_thread_metadata.clone(),
 457            self.workspace.clone(),
 458            self.project.clone(),
 459            window,
 460            cx,
 461        );
 462        self.available_commands.replace(vec![]);
 463        self.new_server_version_available.take();
 464        cx.notify();
 465    }
 466
 467    fn initial_state(
 468        agent: Rc<dyn AgentServer>,
 469        resume_thread: Option<DbThreadMetadata>,
 470        workspace: WeakEntity<Workspace>,
 471        project: Entity<Project>,
 472        window: &mut Window,
 473        cx: &mut Context<Self>,
 474    ) -> ThreadState {
 475        if project.read(cx).is_via_collab()
 476            && agent.clone().downcast::<NativeAgentServer>().is_none()
 477        {
 478            return ThreadState::LoadError(LoadError::Other(
 479                "External agents are not yet supported in shared projects.".into(),
 480            ));
 481        }
 482        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 483        // Pick the first non-single-file worktree for the root directory if there are any,
 484        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 485        worktrees.sort_by(|l, r| {
 486            l.read(cx)
 487                .is_single_file()
 488                .cmp(&r.read(cx).is_single_file())
 489        });
 490        let root_dir = worktrees
 491            .into_iter()
 492            .filter_map(|worktree| {
 493                if worktree.read(cx).is_single_file() {
 494                    Some(worktree.read(cx).abs_path().parent()?.into())
 495                } else {
 496                    Some(worktree.read(cx).abs_path())
 497                }
 498            })
 499            .next();
 500        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 501        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 502        let delegate = AgentServerDelegate::new(
 503            project.read(cx).agent_server_store().clone(),
 504            project.clone(),
 505            Some(status_tx),
 506            Some(new_version_available_tx),
 507        );
 508
 509        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 510        let load_task = cx.spawn_in(window, async move |this, cx| {
 511            let connection = match connect_task.await {
 512                Ok((connection, login)) => {
 513                    this.update(cx, |this, _| this.login = login).ok();
 514                    connection
 515                }
 516                Err(err) => {
 517                    this.update_in(cx, |this, window, cx| {
 518                        if err.downcast_ref::<LoadError>().is_some() {
 519                            this.handle_load_error(err, window, cx);
 520                        } else {
 521                            this.handle_thread_error(err, cx);
 522                        }
 523                        cx.notify();
 524                    })
 525                    .log_err();
 526                    return;
 527                }
 528            };
 529
 530            let result = if let Some(native_agent) = connection
 531                .clone()
 532                .downcast::<agent::NativeAgentConnection>()
 533                && let Some(resume) = resume_thread.clone()
 534            {
 535                cx.update(|_, cx| {
 536                    native_agent
 537                        .0
 538                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 539                })
 540                .log_err()
 541            } else {
 542                let root_dir = if let Some(acp_agent) = connection
 543                    .clone()
 544                    .downcast::<agent_servers::AcpConnection>()
 545                {
 546                    acp_agent.root_dir().into()
 547                } else {
 548                    root_dir.unwrap_or(paths::home_dir().as_path().into())
 549                };
 550                cx.update(|_, cx| {
 551                    connection
 552                        .clone()
 553                        .new_thread(project.clone(), &root_dir, cx)
 554                })
 555                .log_err()
 556            };
 557
 558            let Some(result) = result else {
 559                return;
 560            };
 561
 562            let result = match result.await {
 563                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 564                    Ok(err) => {
 565                        cx.update(|window, cx| {
 566                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 567                        })
 568                        .log_err();
 569                        return;
 570                    }
 571                    Err(err) => Err(err),
 572                },
 573                Ok(thread) => Ok(thread),
 574            };
 575
 576            this.update_in(cx, |this, window, cx| {
 577                match result {
 578                    Ok(thread) => {
 579                        let action_log = thread.read(cx).action_log().clone();
 580
 581                        this.prompt_capabilities
 582                            .replace(thread.read(cx).prompt_capabilities());
 583
 584                        let count = thread.read(cx).entries().len();
 585                        this.entry_view_state.update(cx, |view_state, cx| {
 586                            for ix in 0..count {
 587                                view_state.sync_entry(ix, &thread, window, cx);
 588                            }
 589                            this.list_state.splice_focusable(
 590                                0..0,
 591                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 592                            );
 593                        });
 594
 595                        if let Some(resume) = resume_thread {
 596                            this.history_store.update(cx, |history, cx| {
 597                                history.push_recently_opened_entry(
 598                                    HistoryEntryId::AcpThread(resume.id),
 599                                    cx,
 600                                );
 601                            });
 602                        }
 603
 604                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 605
 606                        this.model_selector = thread
 607                            .read(cx)
 608                            .connection()
 609                            .model_selector(thread.read(cx).session_id())
 610                            .map(|selector| {
 611                                cx.new(|cx| {
 612                                    AcpModelSelectorPopover::new(
 613                                        selector,
 614                                        PopoverMenuHandle::default(),
 615                                        this.focus_handle(cx),
 616                                        window,
 617                                        cx,
 618                                    )
 619                                })
 620                            });
 621
 622                        let mode_selector = thread
 623                            .read(cx)
 624                            .connection()
 625                            .session_modes(thread.read(cx).session_id(), cx)
 626                            .map(|session_modes| {
 627                                let fs = this.project.read(cx).fs().clone();
 628                                let focus_handle = this.focus_handle(cx);
 629                                cx.new(|_cx| {
 630                                    ModeSelector::new(
 631                                        session_modes,
 632                                        this.agent.clone(),
 633                                        fs,
 634                                        focus_handle,
 635                                    )
 636                                })
 637                            });
 638
 639                        let mut subscriptions = vec![
 640                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 641                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 642                        ];
 643
 644                        let title_editor =
 645                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 646                                let editor = cx.new(|cx| {
 647                                    let mut editor = Editor::single_line(window, cx);
 648                                    editor.set_text(thread.read(cx).title(), window, cx);
 649                                    editor
 650                                });
 651                                subscriptions.push(cx.subscribe_in(
 652                                    &editor,
 653                                    window,
 654                                    Self::handle_title_editor_event,
 655                                ));
 656                                Some(editor)
 657                            } else {
 658                                None
 659                            };
 660
 661                        this.thread_state = ThreadState::Ready {
 662                            thread,
 663                            title_editor,
 664                            mode_selector,
 665                            _subscriptions: subscriptions,
 666                        };
 667                        this.message_editor.focus_handle(cx).focus(window);
 668
 669                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 670                            cx.new(|cx| {
 671                                ProfileSelector::new(
 672                                    <dyn Fs>::global(cx),
 673                                    Arc::new(thread.clone()),
 674                                    this.focus_handle(cx),
 675                                    cx,
 676                                )
 677                            })
 678                        });
 679
 680                        cx.notify();
 681                    }
 682                    Err(err) => {
 683                        this.handle_load_error(err, window, cx);
 684                    }
 685                };
 686            })
 687            .log_err();
 688        });
 689
 690        cx.spawn(async move |this, cx| {
 691            while let Ok(new_version) = new_version_available_rx.recv().await {
 692                if let Some(new_version) = new_version {
 693                    this.update(cx, |this, cx| {
 694                        this.new_server_version_available = Some(new_version.into());
 695                        cx.notify();
 696                    })
 697                    .log_err();
 698                }
 699            }
 700        })
 701        .detach();
 702
 703        let loading_view = cx.new(|cx| {
 704            let update_title_task = cx.spawn(async move |this, cx| {
 705                loop {
 706                    let status = status_rx.recv().await?;
 707                    this.update(cx, |this: &mut LoadingView, cx| {
 708                        this.title = status;
 709                        cx.notify();
 710                    })?;
 711                }
 712            });
 713
 714            LoadingView {
 715                title: "Loading…".into(),
 716                _load_task: load_task,
 717                _update_title_task: update_title_task,
 718            }
 719        });
 720
 721        ThreadState::Loading(loading_view)
 722    }
 723
 724    fn handle_auth_required(
 725        this: WeakEntity<Self>,
 726        err: AuthRequired,
 727        agent: Rc<dyn AgentServer>,
 728        connection: Rc<dyn AgentConnection>,
 729        window: &mut Window,
 730        cx: &mut App,
 731    ) {
 732        let agent_name = agent.name();
 733        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 734            let registry = LanguageModelRegistry::global(cx);
 735
 736            let sub = window.subscribe(&registry, cx, {
 737                let provider_id = provider_id.clone();
 738                let this = this.clone();
 739                move |_, ev, window, cx| {
 740                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 741                        && &provider_id == updated_provider_id
 742                        && LanguageModelRegistry::global(cx)
 743                            .read(cx)
 744                            .provider(&provider_id)
 745                            .map_or(false, |provider| provider.is_authenticated(cx))
 746                    {
 747                        this.update(cx, |this, cx| {
 748                            this.reset(window, cx);
 749                        })
 750                        .ok();
 751                    }
 752                }
 753            });
 754
 755            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 756                provider.configuration_view(
 757                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 758                    window,
 759                    cx,
 760                )
 761            });
 762
 763            (view, Some(sub))
 764        } else {
 765            (None, None)
 766        };
 767
 768        this.update(cx, |this, cx| {
 769            this.thread_state = ThreadState::Unauthenticated {
 770                pending_auth_method: None,
 771                connection,
 772                configuration_view,
 773                description: err
 774                    .description
 775                    .clone()
 776                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 777                _subscription: subscription,
 778            };
 779            if this.message_editor.focus_handle(cx).is_focused(window) {
 780                this.focus_handle.focus(window)
 781            }
 782            cx.notify();
 783        })
 784        .ok();
 785    }
 786
 787    fn handle_load_error(
 788        &mut self,
 789        err: anyhow::Error,
 790        window: &mut Window,
 791        cx: &mut Context<Self>,
 792    ) {
 793        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 794            self.thread_state = ThreadState::LoadError(load_err.clone());
 795        } else {
 796            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 797        }
 798        if self.message_editor.focus_handle(cx).is_focused(window) {
 799            self.focus_handle.focus(window)
 800        }
 801        cx.notify();
 802    }
 803
 804    fn handle_agent_servers_updated(
 805        &mut self,
 806        _agent_server_store: &Entity<project::AgentServerStore>,
 807        _event: &project::AgentServersUpdated,
 808        window: &mut Window,
 809        cx: &mut Context<Self>,
 810    ) {
 811        // If we're in a LoadError state OR have a thread_error set (which can happen
 812        // when agent.connect() fails during loading), retry loading the thread.
 813        // This handles the case where a thread is restored before authentication completes.
 814        let should_retry =
 815            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 816
 817        if should_retry {
 818            self.thread_error = None;
 819            self.reset(window, cx);
 820        }
 821    }
 822
 823    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 824        &self.workspace
 825    }
 826
 827    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 828        match &self.thread_state {
 829            ThreadState::Ready { thread, .. } => Some(thread),
 830            ThreadState::Unauthenticated { .. }
 831            | ThreadState::Loading { .. }
 832            | ThreadState::LoadError { .. } => None,
 833        }
 834    }
 835
 836    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 837        match &self.thread_state {
 838            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 839            ThreadState::Unauthenticated { .. }
 840            | ThreadState::Loading { .. }
 841            | ThreadState::LoadError { .. } => None,
 842        }
 843    }
 844
 845    pub fn title(&self, cx: &App) -> SharedString {
 846        match &self.thread_state {
 847            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 848            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 849            ThreadState::LoadError(error) => match error {
 850                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 851                LoadError::FailedToInstall(_) => {
 852                    format!("Failed to Install {}", self.agent.name()).into()
 853                }
 854                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 855                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 856            },
 857        }
 858    }
 859
 860    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 861        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 862            title_editor.clone()
 863        } else {
 864            None
 865        }
 866    }
 867
 868    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 869        self.thread_error.take();
 870        self.thread_retry_status.take();
 871
 872        if let Some(thread) = self.thread() {
 873            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 874        }
 875    }
 876
 877    pub fn expand_message_editor(
 878        &mut self,
 879        _: &ExpandMessageEditor,
 880        _window: &mut Window,
 881        cx: &mut Context<Self>,
 882    ) {
 883        self.set_editor_is_expanded(!self.editor_expanded, cx);
 884        cx.notify();
 885    }
 886
 887    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 888        self.editor_expanded = is_expanded;
 889        self.message_editor.update(cx, |editor, cx| {
 890            if is_expanded {
 891                editor.set_mode(
 892                    EditorMode::Full {
 893                        scale_ui_elements_with_buffer_font_size: false,
 894                        show_active_line_background: false,
 895                        sized_by_content: false,
 896                    },
 897                    cx,
 898                )
 899            } else {
 900                let agent_settings = AgentSettings::get_global(cx);
 901                editor.set_mode(
 902                    EditorMode::AutoHeight {
 903                        min_lines: agent_settings.message_editor_min_lines,
 904                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 905                    },
 906                    cx,
 907                )
 908            }
 909        });
 910        cx.notify();
 911    }
 912
 913    pub fn handle_title_editor_event(
 914        &mut self,
 915        title_editor: &Entity<Editor>,
 916        event: &EditorEvent,
 917        window: &mut Window,
 918        cx: &mut Context<Self>,
 919    ) {
 920        let Some(thread) = self.thread() else { return };
 921
 922        match event {
 923            EditorEvent::BufferEdited => {
 924                let new_title = title_editor.read(cx).text(cx);
 925                thread.update(cx, |thread, cx| {
 926                    thread
 927                        .set_title(new_title.into(), cx)
 928                        .detach_and_log_err(cx);
 929                })
 930            }
 931            EditorEvent::Blurred => {
 932                if title_editor.read(cx).text(cx).is_empty() {
 933                    title_editor.update(cx, |editor, cx| {
 934                        editor.set_text("New Thread", window, cx);
 935                    });
 936                }
 937            }
 938            _ => {}
 939        }
 940    }
 941
 942    pub fn handle_message_editor_event(
 943        &mut self,
 944        _: &Entity<MessageEditor>,
 945        event: &MessageEditorEvent,
 946        window: &mut Window,
 947        cx: &mut Context<Self>,
 948    ) {
 949        match event {
 950            MessageEditorEvent::Send => self.send(window, cx),
 951            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 952            MessageEditorEvent::Focus => {
 953                self.cancel_editing(&Default::default(), window, cx);
 954            }
 955            MessageEditorEvent::LostFocus => {}
 956        }
 957    }
 958
 959    pub fn handle_entry_view_event(
 960        &mut self,
 961        _: &Entity<EntryViewState>,
 962        event: &EntryViewEvent,
 963        window: &mut Window,
 964        cx: &mut Context<Self>,
 965    ) {
 966        match &event.view_event {
 967            ViewEvent::NewDiff(tool_call_id) => {
 968                if AgentSettings::get_global(cx).expand_edit_card {
 969                    self.expanded_tool_calls.insert(tool_call_id.clone());
 970                }
 971            }
 972            ViewEvent::NewTerminal(tool_call_id) => {
 973                if AgentSettings::get_global(cx).expand_terminal_card {
 974                    self.expanded_tool_calls.insert(tool_call_id.clone());
 975                }
 976            }
 977            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 978                self.expanded_tool_calls.remove(tool_call_id);
 979            }
 980            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 981                if let Some(thread) = self.thread()
 982                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 983                        thread.read(cx).entries().get(event.entry_index)
 984                    && user_message.id.is_some()
 985                {
 986                    self.editing_message = Some(event.entry_index);
 987                    cx.notify();
 988                }
 989            }
 990            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 991                if let Some(thread) = self.thread()
 992                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 993                        thread.read(cx).entries().get(event.entry_index)
 994                    && user_message.id.is_some()
 995                {
 996                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 997                        self.editing_message = None;
 998                        cx.notify();
 999                    }
1000                }
1001            }
1002            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
1003                self.regenerate(event.entry_index, editor.clone(), window, cx);
1004            }
1005            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
1006                self.cancel_editing(&Default::default(), window, cx);
1007            }
1008        }
1009    }
1010
1011    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1012        self.thread_error.take();
1013        let Some(thread) = self.thread() else {
1014            return;
1015        };
1016        if !thread.read(cx).can_resume(cx) {
1017            return;
1018        }
1019
1020        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1021        cx.spawn(async move |this, cx| {
1022            let result = task.await;
1023
1024            this.update(cx, |this, cx| {
1025                if let Err(err) = result {
1026                    this.handle_thread_error(err, cx);
1027                }
1028            })
1029        })
1030        .detach();
1031    }
1032
1033    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1034        let Some(thread) = self.thread() else { return };
1035
1036        if self.is_loading_contents {
1037            return;
1038        }
1039
1040        self.history_store.update(cx, |history, cx| {
1041            history.push_recently_opened_entry(
1042                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1043                cx,
1044            );
1045        });
1046
1047        if thread.read(cx).status() != ThreadStatus::Idle {
1048            self.stop_current_and_send_new_message(window, cx);
1049            return;
1050        }
1051
1052        let text = self.message_editor.read(cx).text(cx);
1053        let text = text.trim();
1054        if text == "/login" || text == "/logout" {
1055            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1056                return;
1057            };
1058
1059            let connection = thread.read(cx).connection().clone();
1060            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1061            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1062            let logout_supported = text == "/logout"
1063                && self
1064                    .available_commands
1065                    .borrow()
1066                    .iter()
1067                    .any(|command| command.name == "logout");
1068            if can_login && !logout_supported {
1069                self.message_editor
1070                    .update(cx, |editor, cx| editor.clear(window, cx));
1071
1072                let this = cx.weak_entity();
1073                let agent = self.agent.clone();
1074                window.defer(cx, |window, cx| {
1075                    Self::handle_auth_required(
1076                        this,
1077                        AuthRequired {
1078                            description: None,
1079                            provider_id: None,
1080                        },
1081                        agent,
1082                        connection,
1083                        window,
1084                        cx,
1085                    );
1086                });
1087                cx.notify();
1088                return;
1089            }
1090        }
1091
1092        self.send_impl(self.message_editor.clone(), window, cx)
1093    }
1094
1095    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1096        let Some(thread) = self.thread().cloned() else {
1097            return;
1098        };
1099
1100        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1101
1102        cx.spawn_in(window, async move |this, cx| {
1103            cancelled.await;
1104
1105            this.update_in(cx, |this, window, cx| {
1106                this.send_impl(this.message_editor.clone(), window, cx);
1107            })
1108            .ok();
1109        })
1110        .detach();
1111    }
1112
1113    fn send_impl(
1114        &mut self,
1115        message_editor: Entity<MessageEditor>,
1116        window: &mut Window,
1117        cx: &mut Context<Self>,
1118    ) {
1119        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1120            // Include full contents when using minimal profile
1121            let thread = thread.read(cx);
1122            AgentSettings::get_global(cx)
1123                .profiles
1124                .get(thread.profile())
1125                .is_some_and(|profile| profile.tools.is_empty())
1126        });
1127
1128        let contents = message_editor.update(cx, |message_editor, cx| {
1129            message_editor.contents(full_mention_content, cx)
1130        });
1131
1132        let agent_telemetry_id = self.agent.telemetry_id();
1133
1134        self.thread_error.take();
1135        self.editing_message.take();
1136        self.thread_feedback.clear();
1137
1138        let Some(thread) = self.thread() else {
1139            return;
1140        };
1141        let thread = thread.downgrade();
1142        if self.should_be_following {
1143            self.workspace
1144                .update(cx, |workspace, cx| {
1145                    workspace.follow(CollaboratorId::Agent, window, cx);
1146                })
1147                .ok();
1148        }
1149
1150        self.is_loading_contents = true;
1151        let guard = cx.new(|_| ());
1152        cx.observe_release(&guard, |this, _guard, cx| {
1153            this.is_loading_contents = false;
1154            cx.notify();
1155        })
1156        .detach();
1157
1158        let task = cx.spawn_in(window, async move |this, cx| {
1159            let (contents, tracked_buffers) = contents.await?;
1160
1161            if contents.is_empty() {
1162                return Ok(());
1163            }
1164
1165            this.update_in(cx, |this, window, cx| {
1166                this.set_editor_is_expanded(false, cx);
1167                this.scroll_to_bottom(cx);
1168                this.message_editor.update(cx, |message_editor, cx| {
1169                    message_editor.clear(window, cx);
1170                });
1171            })?;
1172            let send = thread.update(cx, |thread, cx| {
1173                thread.action_log().update(cx, |action_log, cx| {
1174                    for buffer in tracked_buffers {
1175                        action_log.buffer_read(buffer, cx)
1176                    }
1177                });
1178                drop(guard);
1179
1180                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1181
1182                thread.send(contents, cx)
1183            })?;
1184            send.await
1185        });
1186
1187        cx.spawn(async move |this, cx| {
1188            if let Err(err) = task.await {
1189                this.update(cx, |this, cx| {
1190                    this.handle_thread_error(err, cx);
1191                })
1192                .ok();
1193            } else {
1194                this.update(cx, |this, cx| {
1195                    this.should_be_following = this
1196                        .workspace
1197                        .update(cx, |workspace, _| {
1198                            workspace.is_being_followed(CollaboratorId::Agent)
1199                        })
1200                        .unwrap_or_default();
1201                })
1202                .ok();
1203            }
1204        })
1205        .detach();
1206    }
1207
1208    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1209        let Some(thread) = self.thread().cloned() else {
1210            return;
1211        };
1212
1213        if let Some(index) = self.editing_message.take()
1214            && let Some(editor) = self
1215                .entry_view_state
1216                .read(cx)
1217                .entry(index)
1218                .and_then(|e| e.message_editor())
1219                .cloned()
1220        {
1221            editor.update(cx, |editor, cx| {
1222                if let Some(user_message) = thread
1223                    .read(cx)
1224                    .entries()
1225                    .get(index)
1226                    .and_then(|e| e.user_message())
1227                {
1228                    editor.set_message(user_message.chunks.clone(), window, cx);
1229                }
1230            })
1231        };
1232        self.focus_handle(cx).focus(window);
1233        cx.notify();
1234    }
1235
1236    fn regenerate(
1237        &mut self,
1238        entry_ix: usize,
1239        message_editor: Entity<MessageEditor>,
1240        window: &mut Window,
1241        cx: &mut Context<Self>,
1242    ) {
1243        let Some(thread) = self.thread().cloned() else {
1244            return;
1245        };
1246        if self.is_loading_contents {
1247            return;
1248        }
1249
1250        let Some(user_message_id) = thread.update(cx, |thread, _| {
1251            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1252        }) else {
1253            return;
1254        };
1255
1256        cx.spawn_in(window, async move |this, cx| {
1257            thread
1258                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1259                .await?;
1260            this.update_in(cx, |this, window, cx| {
1261                this.send_impl(message_editor, window, cx);
1262                this.focus_handle(cx).focus(window);
1263            })?;
1264            anyhow::Ok(())
1265        })
1266        .detach();
1267    }
1268
1269    fn open_edited_buffer(
1270        &mut self,
1271        buffer: &Entity<Buffer>,
1272        window: &mut Window,
1273        cx: &mut Context<Self>,
1274    ) {
1275        let Some(thread) = self.thread() else {
1276            return;
1277        };
1278
1279        let Some(diff) =
1280            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1281        else {
1282            return;
1283        };
1284
1285        diff.update(cx, |diff, cx| {
1286            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1287        })
1288    }
1289
1290    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1291        let Some(thread) = self.as_native_thread(cx) else {
1292            return;
1293        };
1294        let project_context = thread.read(cx).project_context().read(cx);
1295
1296        let project_entry_ids = project_context
1297            .worktrees
1298            .iter()
1299            .flat_map(|worktree| worktree.rules_file.as_ref())
1300            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1301            .collect::<Vec<_>>();
1302
1303        self.workspace
1304            .update(cx, move |workspace, cx| {
1305                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1306                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1307                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1308                let project = workspace.project().read(cx);
1309                let project_paths = project_entry_ids
1310                    .into_iter()
1311                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1312                    .collect::<Vec<_>>();
1313                for project_path in project_paths {
1314                    workspace
1315                        .open_path(project_path, None, true, window, cx)
1316                        .detach_and_log_err(cx);
1317                }
1318            })
1319            .ok();
1320    }
1321
1322    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1323        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1324        cx.notify();
1325    }
1326
1327    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1328        self.thread_error = None;
1329        cx.notify();
1330    }
1331
1332    fn handle_thread_event(
1333        &mut self,
1334        thread: &Entity<AcpThread>,
1335        event: &AcpThreadEvent,
1336        window: &mut Window,
1337        cx: &mut Context<Self>,
1338    ) {
1339        match event {
1340            AcpThreadEvent::NewEntry => {
1341                let len = thread.read(cx).entries().len();
1342                let index = len - 1;
1343                self.entry_view_state.update(cx, |view_state, cx| {
1344                    view_state.sync_entry(index, thread, window, cx);
1345                    self.list_state.splice_focusable(
1346                        index..index,
1347                        [view_state
1348                            .entry(index)
1349                            .and_then(|entry| entry.focus_handle(cx))],
1350                    );
1351                });
1352            }
1353            AcpThreadEvent::EntryUpdated(index) => {
1354                self.entry_view_state.update(cx, |view_state, cx| {
1355                    view_state.sync_entry(*index, thread, window, cx)
1356                });
1357            }
1358            AcpThreadEvent::EntriesRemoved(range) => {
1359                self.entry_view_state
1360                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1361                self.list_state.splice(range.clone(), 0);
1362            }
1363            AcpThreadEvent::ToolAuthorizationRequired => {
1364                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1365            }
1366            AcpThreadEvent::Retry(retry) => {
1367                self.thread_retry_status = Some(retry.clone());
1368            }
1369            AcpThreadEvent::Stopped => {
1370                self.thread_retry_status.take();
1371                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1372                self.notify_with_sound(
1373                    if used_tools {
1374                        "Finished running tools"
1375                    } else {
1376                        "New message"
1377                    },
1378                    IconName::ZedAssistant,
1379                    window,
1380                    cx,
1381                );
1382            }
1383            AcpThreadEvent::Refusal => {
1384                self.thread_retry_status.take();
1385                self.thread_error = Some(ThreadError::Refusal);
1386                let model_or_agent_name = self.get_current_model_name(cx);
1387                let notification_message =
1388                    format!("{} refused to respond to this request", model_or_agent_name);
1389                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1390            }
1391            AcpThreadEvent::Error => {
1392                self.thread_retry_status.take();
1393                self.notify_with_sound(
1394                    "Agent stopped due to an error",
1395                    IconName::Warning,
1396                    window,
1397                    cx,
1398                );
1399            }
1400            AcpThreadEvent::LoadError(error) => {
1401                self.thread_retry_status.take();
1402                self.thread_state = ThreadState::LoadError(error.clone());
1403                if self.message_editor.focus_handle(cx).is_focused(window) {
1404                    self.focus_handle.focus(window)
1405                }
1406            }
1407            AcpThreadEvent::TitleUpdated => {
1408                let title = thread.read(cx).title();
1409                if let Some(title_editor) = self.title_editor() {
1410                    title_editor.update(cx, |editor, cx| {
1411                        if editor.text(cx) != title {
1412                            editor.set_text(title, window, cx);
1413                        }
1414                    });
1415                }
1416            }
1417            AcpThreadEvent::PromptCapabilitiesUpdated => {
1418                self.prompt_capabilities
1419                    .replace(thread.read(cx).prompt_capabilities());
1420            }
1421            AcpThreadEvent::TokenUsageUpdated => {}
1422            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1423                let mut available_commands = available_commands.clone();
1424
1425                if thread
1426                    .read(cx)
1427                    .connection()
1428                    .auth_methods()
1429                    .iter()
1430                    .any(|method| method.id.0.as_ref() == "claude-login")
1431                {
1432                    available_commands.push(acp::AvailableCommand {
1433                        name: "login".to_owned(),
1434                        description: "Authenticate".to_owned(),
1435                        input: None,
1436                        meta: None,
1437                    });
1438                    available_commands.push(acp::AvailableCommand {
1439                        name: "logout".to_owned(),
1440                        description: "Authenticate".to_owned(),
1441                        input: None,
1442                        meta: None,
1443                    });
1444                }
1445
1446                self.available_commands.replace(available_commands);
1447            }
1448            AcpThreadEvent::ModeUpdated(_mode) => {
1449                // The connection keeps track of the mode
1450                cx.notify();
1451            }
1452        }
1453        cx.notify();
1454    }
1455
1456    fn authenticate(
1457        &mut self,
1458        method: acp::AuthMethodId,
1459        window: &mut Window,
1460        cx: &mut Context<Self>,
1461    ) {
1462        let ThreadState::Unauthenticated {
1463            connection,
1464            pending_auth_method,
1465            configuration_view,
1466            ..
1467        } = &mut self.thread_state
1468        else {
1469            return;
1470        };
1471
1472        if method.0.as_ref() == "gemini-api-key" {
1473            let registry = LanguageModelRegistry::global(cx);
1474            let provider = registry
1475                .read(cx)
1476                .provider(&language_model::GOOGLE_PROVIDER_ID)
1477                .unwrap();
1478            if !provider.is_authenticated(cx) {
1479                let this = cx.weak_entity();
1480                let agent = self.agent.clone();
1481                let connection = connection.clone();
1482                window.defer(cx, |window, cx| {
1483                    Self::handle_auth_required(
1484                        this,
1485                        AuthRequired {
1486                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1487                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1488                        },
1489                        agent,
1490                        connection,
1491                        window,
1492                        cx,
1493                    );
1494                });
1495                return;
1496            }
1497        } else if method.0.as_ref() == "anthropic-api-key" {
1498            let registry = LanguageModelRegistry::global(cx);
1499            let provider = registry
1500                .read(cx)
1501                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1502                .unwrap();
1503            let this = cx.weak_entity();
1504            let agent = self.agent.clone();
1505            let connection = connection.clone();
1506            window.defer(cx, move |window, cx| {
1507                if !provider.is_authenticated(cx) {
1508                    Self::handle_auth_required(
1509                        this,
1510                        AuthRequired {
1511                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1512                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1513                        },
1514                        agent,
1515                        connection,
1516                        window,
1517                        cx,
1518                    );
1519                } else {
1520                    this.update(cx, |this, cx| {
1521                        this.thread_state = Self::initial_state(
1522                            agent,
1523                            None,
1524                            this.workspace.clone(),
1525                            this.project.clone(),
1526                            window,
1527                            cx,
1528                        )
1529                    })
1530                    .ok();
1531                }
1532            });
1533            return;
1534        } else if method.0.as_ref() == "vertex-ai"
1535            && std::env::var("GOOGLE_API_KEY").is_err()
1536            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1537                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1538        {
1539            let this = cx.weak_entity();
1540            let agent = self.agent.clone();
1541            let connection = connection.clone();
1542
1543            window.defer(cx, |window, cx| {
1544                    Self::handle_auth_required(
1545                        this,
1546                        AuthRequired {
1547                            description: Some(
1548                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1549                                    .to_owned(),
1550                            ),
1551                            provider_id: None,
1552                        },
1553                        agent,
1554                        connection,
1555                        window,
1556                        cx,
1557                    )
1558                });
1559            return;
1560        }
1561
1562        self.thread_error.take();
1563        configuration_view.take();
1564        pending_auth_method.replace(method.clone());
1565        let authenticate = if (method.0.as_ref() == "claude-login"
1566            || method.0.as_ref() == "spawn-gemini-cli")
1567            && let Some(login) = self.login.clone()
1568        {
1569            if let Some(workspace) = self.workspace.upgrade() {
1570                Self::spawn_external_agent_login(login, workspace, false, window, cx)
1571            } else {
1572                Task::ready(Ok(()))
1573            }
1574        } else {
1575            connection.authenticate(method, cx)
1576        };
1577        cx.notify();
1578        self.auth_task =
1579            Some(cx.spawn_in(window, {
1580                let agent = self.agent.clone();
1581                async move |this, cx| {
1582                    let result = authenticate.await;
1583
1584                    match &result {
1585                        Ok(_) => telemetry::event!(
1586                            "Authenticate Agent Succeeded",
1587                            agent = agent.telemetry_id()
1588                        ),
1589                        Err(_) => {
1590                            telemetry::event!(
1591                                "Authenticate Agent Failed",
1592                                agent = agent.telemetry_id(),
1593                            )
1594                        }
1595                    }
1596
1597                    this.update_in(cx, |this, window, cx| {
1598                        if let Err(err) = result {
1599                            if let ThreadState::Unauthenticated {
1600                                pending_auth_method,
1601                                ..
1602                            } = &mut this.thread_state
1603                            {
1604                                pending_auth_method.take();
1605                            }
1606                            this.handle_thread_error(err, cx);
1607                        } else {
1608                            this.reset(window, cx);
1609                        }
1610                        this.auth_task.take()
1611                    })
1612                    .ok();
1613                }
1614            }));
1615    }
1616
1617    fn spawn_external_agent_login(
1618        login: task::SpawnInTerminal,
1619        workspace: Entity<Workspace>,
1620        previous_attempt: bool,
1621        window: &mut Window,
1622        cx: &mut App,
1623    ) -> Task<Result<()>> {
1624        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1625            return Task::ready(Ok(()));
1626        };
1627        let project = workspace.read(cx).project().clone();
1628
1629        window.spawn(cx, async move |cx| {
1630            let mut task = login.clone();
1631            task.shell = task::Shell::WithArguments {
1632                program: task.command.take().expect("login command should be set"),
1633                args: std::mem::take(&mut task.args),
1634                title_override: None
1635            };
1636            task.full_label = task.label.clone();
1637            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1638            task.command_label = task.label.clone();
1639            task.use_new_terminal = true;
1640            task.allow_concurrent_runs = true;
1641            task.hide = task::HideStrategy::Always;
1642
1643            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1644                terminal_panel.spawn_task(&task, window, cx)
1645            })?;
1646
1647            let terminal = terminal.await?;
1648            let mut exit_status = terminal
1649                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1650                .fuse();
1651
1652            let logged_in = cx
1653                .spawn({
1654                    let terminal = terminal.clone();
1655                    async move |cx| {
1656                        loop {
1657                            cx.background_executor().timer(Duration::from_secs(1)).await;
1658                            let content =
1659                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1660                            if content.contains("Login successful")
1661                                || content.contains("Type your message")
1662                            {
1663                                return anyhow::Ok(());
1664                            }
1665                        }
1666                    }
1667                })
1668                .fuse();
1669            futures::pin_mut!(logged_in);
1670            futures::select_biased! {
1671                result = logged_in => {
1672                    if let Err(e) = result {
1673                        log::error!("{e}");
1674                        return Err(anyhow!("exited before logging in"));
1675                    }
1676                }
1677                _ = exit_status => {
1678                    if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1679                        return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, true, window, cx))?.await
1680                    }
1681                    return Err(anyhow!("exited before logging in"));
1682                }
1683            }
1684            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1685            Ok(())
1686        })
1687    }
1688
1689    fn authorize_tool_call(
1690        &mut self,
1691        tool_call_id: acp::ToolCallId,
1692        option_id: acp::PermissionOptionId,
1693        option_kind: acp::PermissionOptionKind,
1694        window: &mut Window,
1695        cx: &mut Context<Self>,
1696    ) {
1697        let Some(thread) = self.thread() else {
1698            return;
1699        };
1700        thread.update(cx, |thread, cx| {
1701            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1702        });
1703        if self.should_be_following {
1704            self.workspace
1705                .update(cx, |workspace, cx| {
1706                    workspace.follow(CollaboratorId::Agent, window, cx);
1707                })
1708                .ok();
1709        }
1710        cx.notify();
1711    }
1712
1713    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1714        let Some(thread) = self.thread() else {
1715            return;
1716        };
1717
1718        thread
1719            .update(cx, |thread, cx| {
1720                thread.restore_checkpoint(message_id.clone(), cx)
1721            })
1722            .detach_and_log_err(cx);
1723    }
1724
1725    fn render_entry(
1726        &self,
1727        entry_ix: usize,
1728        total_entries: usize,
1729        entry: &AgentThreadEntry,
1730        window: &mut Window,
1731        cx: &Context<Self>,
1732    ) -> AnyElement {
1733        let primary = match &entry {
1734            AgentThreadEntry::UserMessage(message) => {
1735                let Some(editor) = self
1736                    .entry_view_state
1737                    .read(cx)
1738                    .entry(entry_ix)
1739                    .and_then(|entry| entry.message_editor())
1740                    .cloned()
1741                else {
1742                    return Empty.into_any_element();
1743                };
1744
1745                let editing = self.editing_message == Some(entry_ix);
1746                let editor_focus = editor.focus_handle(cx).is_focused(window);
1747                let focus_border = cx.theme().colors().border_focused;
1748
1749                let rules_item = if entry_ix == 0 {
1750                    self.render_rules_item(cx)
1751                } else {
1752                    None
1753                };
1754
1755                let has_checkpoint_button = message
1756                    .checkpoint
1757                    .as_ref()
1758                    .is_some_and(|checkpoint| checkpoint.show);
1759
1760                let agent_name = self.agent.name();
1761
1762                v_flex()
1763                    .id(("user_message", entry_ix))
1764                    .map(|this| {
1765                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1766                            this.pt(rems_from_px(18.))
1767                        } else if rules_item.is_some() {
1768                            this.pt_3()
1769                        } else {
1770                            this.pt_2()
1771                        }
1772                    })
1773                    .pb_3()
1774                    .px_2()
1775                    .gap_1p5()
1776                    .w_full()
1777                    .children(rules_item)
1778                    .children(message.id.clone().and_then(|message_id| {
1779                        message.checkpoint.as_ref()?.show.then(|| {
1780                            h_flex()
1781                                .px_3()
1782                                .gap_2()
1783                                .child(Divider::horizontal())
1784                                .child(
1785                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1786                                        .icon(IconName::Undo)
1787                                        .icon_size(IconSize::XSmall)
1788                                        .icon_position(IconPosition::Start)
1789                                        .label_size(LabelSize::XSmall)
1790                                        .icon_color(Color::Muted)
1791                                        .color(Color::Muted)
1792                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1793                                        .on_click(cx.listener(move |this, _, _window, cx| {
1794                                            this.restore_checkpoint(&message_id, cx);
1795                                        }))
1796                                )
1797                                .child(Divider::horizontal())
1798                        })
1799                    }))
1800                    .child(
1801                        div()
1802                            .relative()
1803                            .child(
1804                                div()
1805                                    .py_3()
1806                                    .px_2()
1807                                    .rounded_md()
1808                                    .shadow_md()
1809                                    .bg(cx.theme().colors().editor_background)
1810                                    .border_1()
1811                                    .when(editing && !editor_focus, |this| this.border_dashed())
1812                                    .border_color(cx.theme().colors().border)
1813                                    .map(|this|{
1814                                        if editing && editor_focus {
1815                                            this.border_color(focus_border)
1816                                        } else if message.id.is_some() {
1817                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1818                                        } else {
1819                                            this
1820                                        }
1821                                    })
1822                                    .text_xs()
1823                                    .child(editor.clone().into_any_element()),
1824                            )
1825                            .when(editor_focus, |this| {
1826                                let base_container = h_flex()
1827                                    .absolute()
1828                                    .top_neg_3p5()
1829                                    .right_3()
1830                                    .gap_1()
1831                                    .rounded_sm()
1832                                    .border_1()
1833                                    .border_color(cx.theme().colors().border)
1834                                    .bg(cx.theme().colors().editor_background)
1835                                    .overflow_hidden();
1836
1837                                if message.id.is_some() {
1838                                    this.child(
1839                                        base_container
1840                                            .child(
1841                                                IconButton::new("cancel", IconName::Close)
1842                                                    .disabled(self.is_loading_contents)
1843                                                    .icon_color(Color::Error)
1844                                                    .icon_size(IconSize::XSmall)
1845                                                    .on_click(cx.listener(Self::cancel_editing))
1846                                            )
1847                                            .child(
1848                                                if self.is_loading_contents {
1849                                                    div()
1850                                                        .id("loading-edited-message-content")
1851                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1852                                                        .child(loading_contents_spinner(IconSize::XSmall))
1853                                                        .into_any_element()
1854                                                } else {
1855                                                    IconButton::new("regenerate", IconName::Return)
1856                                                        .icon_color(Color::Muted)
1857                                                        .icon_size(IconSize::XSmall)
1858                                                        .tooltip(Tooltip::text(
1859                                                            "Editing will restart the thread from this point."
1860                                                        ))
1861                                                        .on_click(cx.listener({
1862                                                            let editor = editor.clone();
1863                                                            move |this, _, window, cx| {
1864                                                                this.regenerate(
1865                                                                    entry_ix, editor.clone(), window, cx,
1866                                                                );
1867                                                            }
1868                                                        })).into_any_element()
1869                                                }
1870                                            )
1871                                    )
1872                                } else {
1873                                    this.child(
1874                                        base_container
1875                                            .border_dashed()
1876                                            .child(
1877                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1878                                                    .icon_size(IconSize::Small)
1879                                                    .icon_color(Color::Muted)
1880                                                    .style(ButtonStyle::Transparent)
1881                                                    .tooltip(move |_window, cx| {
1882                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1883                                                            .into()
1884                                                    })
1885                                            )
1886                                    )
1887                                }
1888                            }),
1889                    )
1890                    .into_any()
1891            }
1892            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1893                let is_last = entry_ix + 1 == total_entries;
1894
1895                let style = default_markdown_style(false, false, window, cx);
1896                let message_body = v_flex()
1897                    .w_full()
1898                    .gap_3()
1899                    .children(chunks.iter().enumerate().filter_map(
1900                        |(chunk_ix, chunk)| match chunk {
1901                            AssistantMessageChunk::Message { block } => {
1902                                block.markdown().map(|md| {
1903                                    self.render_markdown(md.clone(), style.clone())
1904                                        .into_any_element()
1905                                })
1906                            }
1907                            AssistantMessageChunk::Thought { block } => {
1908                                block.markdown().map(|md| {
1909                                    self.render_thinking_block(
1910                                        entry_ix,
1911                                        chunk_ix,
1912                                        md.clone(),
1913                                        window,
1914                                        cx,
1915                                    )
1916                                    .into_any_element()
1917                                })
1918                            }
1919                        },
1920                    ))
1921                    .into_any();
1922
1923                v_flex()
1924                    .px_5()
1925                    .py_1p5()
1926                    .when(is_last, |this| this.pb_4())
1927                    .w_full()
1928                    .text_ui(cx)
1929                    .child(message_body)
1930                    .into_any()
1931            }
1932            AgentThreadEntry::ToolCall(tool_call) => {
1933                let has_terminals = tool_call.terminals().next().is_some();
1934
1935                div().w_full().map(|this| {
1936                    if has_terminals {
1937                        this.children(tool_call.terminals().map(|terminal| {
1938                            self.render_terminal_tool_call(
1939                                entry_ix, terminal, tool_call, window, cx,
1940                            )
1941                        }))
1942                    } else {
1943                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1944                    }
1945                })
1946            }
1947            .into_any(),
1948        };
1949
1950        let Some(thread) = self.thread() else {
1951            return primary;
1952        };
1953
1954        let primary = if entry_ix == total_entries - 1 {
1955            v_flex()
1956                .w_full()
1957                .child(primary)
1958                .child(self.render_thread_controls(&thread, cx))
1959                .when_some(
1960                    self.thread_feedback.comments_editor.clone(),
1961                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1962                )
1963                .into_any_element()
1964        } else {
1965            primary
1966        };
1967
1968        if let Some(editing_index) = self.editing_message.as_ref()
1969            && *editing_index < entry_ix
1970        {
1971            let backdrop = div()
1972                .id(("backdrop", entry_ix))
1973                .size_full()
1974                .absolute()
1975                .inset_0()
1976                .bg(cx.theme().colors().panel_background)
1977                .opacity(0.8)
1978                .block_mouse_except_scroll()
1979                .on_click(cx.listener(Self::cancel_editing));
1980
1981            div()
1982                .relative()
1983                .child(primary)
1984                .child(backdrop)
1985                .into_any_element()
1986        } else {
1987            primary
1988        }
1989    }
1990
1991    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1992        cx.theme()
1993            .colors()
1994            .element_background
1995            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1996    }
1997
1998    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1999        cx.theme().colors().border.opacity(0.8)
2000    }
2001
2002    fn tool_name_font_size(&self) -> Rems {
2003        rems_from_px(13.)
2004    }
2005
2006    fn render_thinking_block(
2007        &self,
2008        entry_ix: usize,
2009        chunk_ix: usize,
2010        chunk: Entity<Markdown>,
2011        window: &Window,
2012        cx: &Context<Self>,
2013    ) -> AnyElement {
2014        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2015        let card_header_id = SharedString::from("inner-card-header");
2016
2017        let key = (entry_ix, chunk_ix);
2018
2019        let is_open = self.expanded_thinking_blocks.contains(&key);
2020
2021        let scroll_handle = self
2022            .entry_view_state
2023            .read(cx)
2024            .entry(entry_ix)
2025            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2026
2027        let thinking_content = {
2028            div()
2029                .id(("thinking-content", chunk_ix))
2030                .when_some(scroll_handle, |this, scroll_handle| {
2031                    this.track_scroll(&scroll_handle)
2032                })
2033                .text_ui_sm(cx)
2034                .overflow_hidden()
2035                .child(
2036                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2037                )
2038        };
2039
2040        v_flex()
2041            .gap_1()
2042            .child(
2043                h_flex()
2044                    .id(header_id)
2045                    .group(&card_header_id)
2046                    .relative()
2047                    .w_full()
2048                    .pr_1()
2049                    .justify_between()
2050                    .child(
2051                        h_flex()
2052                            .h(window.line_height() - px(2.))
2053                            .gap_1p5()
2054                            .overflow_hidden()
2055                            .child(
2056                                Icon::new(IconName::ToolThink)
2057                                    .size(IconSize::Small)
2058                                    .color(Color::Muted),
2059                            )
2060                            .child(
2061                                div()
2062                                    .text_size(self.tool_name_font_size())
2063                                    .text_color(cx.theme().colors().text_muted)
2064                                    .child("Thinking"),
2065                            ),
2066                    )
2067                    .child(
2068                        Disclosure::new(("expand", entry_ix), is_open)
2069                            .opened_icon(IconName::ChevronUp)
2070                            .closed_icon(IconName::ChevronDown)
2071                            .visible_on_hover(&card_header_id)
2072                            .on_click(cx.listener({
2073                                move |this, _event, _window, cx| {
2074                                    if is_open {
2075                                        this.expanded_thinking_blocks.remove(&key);
2076                                    } else {
2077                                        this.expanded_thinking_blocks.insert(key);
2078                                    }
2079                                    cx.notify();
2080                                }
2081                            })),
2082                    )
2083                    .on_click(cx.listener({
2084                        move |this, _event, _window, cx| {
2085                            if is_open {
2086                                this.expanded_thinking_blocks.remove(&key);
2087                            } else {
2088                                this.expanded_thinking_blocks.insert(key);
2089                            }
2090                            cx.notify();
2091                        }
2092                    })),
2093            )
2094            .when(is_open, |this| {
2095                this.child(
2096                    div()
2097                        .ml_1p5()
2098                        .pl_3p5()
2099                        .border_l_1()
2100                        .border_color(self.tool_card_border_color(cx))
2101                        .child(thinking_content),
2102                )
2103            })
2104            .into_any_element()
2105    }
2106
2107    fn render_tool_call(
2108        &self,
2109        entry_ix: usize,
2110        tool_call: &ToolCall,
2111        window: &Window,
2112        cx: &Context<Self>,
2113    ) -> Div {
2114        let has_location = tool_call.locations.len() == 1;
2115        let card_header_id = SharedString::from("inner-tool-call-header");
2116
2117        let failed_or_canceled = match &tool_call.status {
2118            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2119            _ => false,
2120        };
2121
2122        let needs_confirmation = matches!(
2123            tool_call.status,
2124            ToolCallStatus::WaitingForConfirmation { .. }
2125        );
2126        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2127        let is_edit =
2128            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2129
2130        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2131
2132        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2133
2134        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2135
2136        let tool_output_display =
2137            if is_open {
2138                match &tool_call.status {
2139                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2140                        .w_full()
2141                        .children(tool_call.content.iter().enumerate().map(
2142                            |(content_ix, content)| {
2143                                div()
2144                                    .child(self.render_tool_call_content(
2145                                        entry_ix,
2146                                        content,
2147                                        content_ix,
2148                                        tool_call,
2149                                        use_card_layout,
2150                                        window,
2151                                        cx,
2152                                    ))
2153                                    .into_any_element()
2154                            },
2155                        ))
2156                        .child(self.render_permission_buttons(
2157                            tool_call.kind,
2158                            options,
2159                            entry_ix,
2160                            tool_call.id.clone(),
2161                            cx,
2162                        ))
2163                        .into_any(),
2164                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2165                        if is_edit
2166                            && tool_call.content.is_empty()
2167                            && self.as_native_connection(cx).is_some() =>
2168                    {
2169                        self.render_diff_loading(cx).into_any()
2170                    }
2171                    ToolCallStatus::Pending
2172                    | ToolCallStatus::InProgress
2173                    | ToolCallStatus::Completed
2174                    | ToolCallStatus::Failed
2175                    | ToolCallStatus::Canceled => v_flex()
2176                        .w_full()
2177                        .children(tool_call.content.iter().enumerate().map(
2178                            |(content_ix, content)| {
2179                                div().child(self.render_tool_call_content(
2180                                    entry_ix,
2181                                    content,
2182                                    content_ix,
2183                                    tool_call,
2184                                    use_card_layout,
2185                                    window,
2186                                    cx,
2187                                ))
2188                            },
2189                        ))
2190                        .into_any(),
2191                    ToolCallStatus::Rejected => Empty.into_any(),
2192                }
2193                .into()
2194            } else {
2195                None
2196            };
2197
2198        v_flex()
2199            .map(|this| {
2200                if use_card_layout {
2201                    this.my_1p5()
2202                        .rounded_md()
2203                        .border_1()
2204                        .border_color(self.tool_card_border_color(cx))
2205                        .bg(cx.theme().colors().editor_background)
2206                        .overflow_hidden()
2207                } else {
2208                    this.my_1()
2209                }
2210            })
2211            .map(|this| {
2212                if has_location && !use_card_layout {
2213                    this.ml_4()
2214                } else {
2215                    this.ml_5()
2216                }
2217            })
2218            .mr_5()
2219            .map(|this| {
2220                if is_terminal_tool {
2221                    this.child(
2222                        v_flex()
2223                            .p_1p5()
2224                            .gap_0p5()
2225                            .text_ui_sm(cx)
2226                            .bg(self.tool_card_header_bg(cx))
2227                            .child(
2228                                Label::new("Run Command")
2229                                    .buffer_font(cx)
2230                                    .size(LabelSize::XSmall)
2231                                    .color(Color::Muted),
2232                            )
2233                            .child(
2234                                MarkdownElement::new(
2235                                    tool_call.label.clone(),
2236                                    terminal_command_markdown_style(window, cx),
2237                                )
2238                                .code_block_renderer(
2239                                    markdown::CodeBlockRenderer::Default {
2240                                        copy_button: false,
2241                                        copy_button_on_hover: false,
2242                                        border: false,
2243                                    },
2244                                )
2245                            ),
2246                    )
2247                } else {
2248                   this.child(
2249                        h_flex()
2250                            .group(&card_header_id)
2251                            .relative()
2252                            .w_full()
2253                            .gap_1()
2254                            .justify_between()
2255                            .when(use_card_layout, |this| {
2256                                this.p_0p5()
2257                                    .rounded_t(rems_from_px(5.))
2258                                    .bg(self.tool_card_header_bg(cx))
2259                            })
2260                            .child(self.render_tool_call_label(
2261                                entry_ix,
2262                                tool_call,
2263                                is_edit,
2264                                use_card_layout,
2265                                window,
2266                                cx,
2267                            ))
2268                            .when(is_collapsible || failed_or_canceled, |this| {
2269                                this.child(
2270                                    h_flex()
2271                                        .px_1()
2272                                        .gap_px()
2273                                        .when(is_collapsible, |this| {
2274                                            this.child(
2275                                            Disclosure::new(("expand", entry_ix), is_open)
2276                                                .opened_icon(IconName::ChevronUp)
2277                                                .closed_icon(IconName::ChevronDown)
2278                                                .visible_on_hover(&card_header_id)
2279                                                .on_click(cx.listener({
2280                                                    let id = tool_call.id.clone();
2281                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2282                                                        if is_open {
2283                                                            this.expanded_tool_calls.remove(&id);
2284                                                        } else {
2285                                                            this.expanded_tool_calls.insert(id.clone());
2286                                                        }
2287                                                        cx.notify();
2288                                                    }
2289                                                })),
2290                                        )
2291                                        })
2292                                        .when(failed_or_canceled, |this| {
2293                                            this.child(
2294                                                Icon::new(IconName::Close)
2295                                                    .color(Color::Error)
2296                                                    .size(IconSize::Small),
2297                                            )
2298                                        }),
2299                                )
2300                            }),
2301                    )
2302                }
2303            })
2304            .children(tool_output_display)
2305    }
2306
2307    fn render_tool_call_label(
2308        &self,
2309        entry_ix: usize,
2310        tool_call: &ToolCall,
2311        is_edit: bool,
2312        use_card_layout: bool,
2313        window: &Window,
2314        cx: &Context<Self>,
2315    ) -> Div {
2316        let has_location = tool_call.locations.len() == 1;
2317
2318        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2319            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2320                .map(Icon::from_path)
2321                .unwrap_or(Icon::new(IconName::ToolPencil))
2322        } else {
2323            Icon::new(match tool_call.kind {
2324                acp::ToolKind::Read => IconName::ToolSearch,
2325                acp::ToolKind::Edit => IconName::ToolPencil,
2326                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2327                acp::ToolKind::Move => IconName::ArrowRightLeft,
2328                acp::ToolKind::Search => IconName::ToolSearch,
2329                acp::ToolKind::Execute => IconName::ToolTerminal,
2330                acp::ToolKind::Think => IconName::ToolThink,
2331                acp::ToolKind::Fetch => IconName::ToolWeb,
2332                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2333                acp::ToolKind::Other => IconName::ToolHammer,
2334            })
2335        }
2336        .size(IconSize::Small)
2337        .color(Color::Muted);
2338
2339        let gradient_overlay = {
2340            div()
2341                .absolute()
2342                .top_0()
2343                .right_0()
2344                .w_12()
2345                .h_full()
2346                .map(|this| {
2347                    if use_card_layout {
2348                        this.bg(linear_gradient(
2349                            90.,
2350                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2351                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2352                        ))
2353                    } else {
2354                        this.bg(linear_gradient(
2355                            90.,
2356                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2357                            linear_color_stop(
2358                                cx.theme().colors().panel_background.opacity(0.2),
2359                                0.,
2360                            ),
2361                        ))
2362                    }
2363                })
2364        };
2365
2366        h_flex()
2367            .relative()
2368            .w_full()
2369            .h(window.line_height() - px(2.))
2370            .text_size(self.tool_name_font_size())
2371            .gap_1p5()
2372            .when(has_location || use_card_layout, |this| this.px_1())
2373            .when(has_location, |this| {
2374                this.cursor(CursorStyle::PointingHand)
2375                    .rounded(rems_from_px(3.)) // Concentric border radius
2376                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2377            })
2378            .overflow_hidden()
2379            .child(tool_icon)
2380            .child(if has_location {
2381                h_flex()
2382                    .id(("open-tool-call-location", entry_ix))
2383                    .w_full()
2384                    .map(|this| {
2385                        if use_card_layout {
2386                            this.text_color(cx.theme().colors().text)
2387                        } else {
2388                            this.text_color(cx.theme().colors().text_muted)
2389                        }
2390                    })
2391                    .child(self.render_markdown(
2392                        tool_call.label.clone(),
2393                        MarkdownStyle {
2394                            prevent_mouse_interaction: true,
2395                            ..default_markdown_style(false, true, window, cx)
2396                        },
2397                    ))
2398                    .tooltip(Tooltip::text("Jump to File"))
2399                    .on_click(cx.listener(move |this, _, window, cx| {
2400                        this.open_tool_call_location(entry_ix, 0, window, cx);
2401                    }))
2402                    .into_any_element()
2403            } else {
2404                h_flex()
2405                    .w_full()
2406                    .child(self.render_markdown(
2407                        tool_call.label.clone(),
2408                        default_markdown_style(false, true, window, cx),
2409                    ))
2410                    .into_any()
2411            })
2412            .when(!is_edit, |this| this.child(gradient_overlay))
2413    }
2414
2415    fn render_tool_call_content(
2416        &self,
2417        entry_ix: usize,
2418        content: &ToolCallContent,
2419        context_ix: usize,
2420        tool_call: &ToolCall,
2421        card_layout: bool,
2422        window: &Window,
2423        cx: &Context<Self>,
2424    ) -> AnyElement {
2425        match content {
2426            ToolCallContent::ContentBlock(content) => {
2427                if let Some(resource_link) = content.resource_link() {
2428                    self.render_resource_link(resource_link, cx)
2429                } else if let Some(markdown) = content.markdown() {
2430                    self.render_markdown_output(
2431                        markdown.clone(),
2432                        tool_call.id.clone(),
2433                        context_ix,
2434                        card_layout,
2435                        window,
2436                        cx,
2437                    )
2438                } else {
2439                    Empty.into_any_element()
2440                }
2441            }
2442            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2443            ToolCallContent::Terminal(terminal) => {
2444                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2445            }
2446        }
2447    }
2448
2449    fn render_markdown_output(
2450        &self,
2451        markdown: Entity<Markdown>,
2452        tool_call_id: acp::ToolCallId,
2453        context_ix: usize,
2454        card_layout: bool,
2455        window: &Window,
2456        cx: &Context<Self>,
2457    ) -> AnyElement {
2458        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2459
2460        v_flex()
2461            .mt_1p5()
2462            .gap_2()
2463            .when(!card_layout, |this| {
2464                this.ml(rems(0.4))
2465                    .px_3p5()
2466                    .border_l_1()
2467                    .border_color(self.tool_card_border_color(cx))
2468            })
2469            .when(card_layout, |this| {
2470                this.px_2().pb_2().when(context_ix > 0, |this| {
2471                    this.border_t_1()
2472                        .pt_2()
2473                        .border_color(self.tool_card_border_color(cx))
2474                })
2475            })
2476            .text_xs()
2477            .text_color(cx.theme().colors().text_muted)
2478            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2479            .when(!card_layout, |this| {
2480                this.child(
2481                    IconButton::new(button_id, IconName::ChevronUp)
2482                        .full_width()
2483                        .style(ButtonStyle::Outlined)
2484                        .icon_color(Color::Muted)
2485                        .on_click(cx.listener({
2486                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2487                                this.expanded_tool_calls.remove(&tool_call_id);
2488                                cx.notify();
2489                            }
2490                        })),
2491                )
2492            })
2493            .into_any_element()
2494    }
2495
2496    fn render_resource_link(
2497        &self,
2498        resource_link: &acp::ResourceLink,
2499        cx: &Context<Self>,
2500    ) -> AnyElement {
2501        let uri: SharedString = resource_link.uri.clone().into();
2502        let is_file = resource_link.uri.strip_prefix("file://");
2503
2504        let label: SharedString = if let Some(abs_path) = is_file {
2505            if let Some(project_path) = self
2506                .project
2507                .read(cx)
2508                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2509                && let Some(worktree) = self
2510                    .project
2511                    .read(cx)
2512                    .worktree_for_id(project_path.worktree_id, cx)
2513            {
2514                worktree
2515                    .read(cx)
2516                    .full_path(&project_path.path)
2517                    .to_string_lossy()
2518                    .to_string()
2519                    .into()
2520            } else {
2521                abs_path.to_string().into()
2522            }
2523        } else {
2524            uri.clone()
2525        };
2526
2527        let button_id = SharedString::from(format!("item-{}", uri));
2528
2529        div()
2530            .ml(rems(0.4))
2531            .pl_2p5()
2532            .border_l_1()
2533            .border_color(self.tool_card_border_color(cx))
2534            .overflow_hidden()
2535            .child(
2536                Button::new(button_id, label)
2537                    .label_size(LabelSize::Small)
2538                    .color(Color::Muted)
2539                    .truncate(true)
2540                    .when(is_file.is_none(), |this| {
2541                        this.icon(IconName::ArrowUpRight)
2542                            .icon_size(IconSize::XSmall)
2543                            .icon_color(Color::Muted)
2544                    })
2545                    .on_click(cx.listener({
2546                        let workspace = self.workspace.clone();
2547                        move |_, _, window, cx: &mut Context<Self>| {
2548                            Self::open_link(uri.clone(), &workspace, window, cx);
2549                        }
2550                    })),
2551            )
2552            .into_any_element()
2553    }
2554
2555    fn render_permission_buttons(
2556        &self,
2557        kind: acp::ToolKind,
2558        options: &[acp::PermissionOption],
2559        entry_ix: usize,
2560        tool_call_id: acp::ToolCallId,
2561        cx: &Context<Self>,
2562    ) -> Div {
2563        let is_first = self.thread().is_some_and(|thread| {
2564            thread
2565                .read(cx)
2566                .first_tool_awaiting_confirmation()
2567                .is_some_and(|call| call.id == tool_call_id)
2568        });
2569        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2570
2571        div()
2572            .p_1()
2573            .border_t_1()
2574            .border_color(self.tool_card_border_color(cx))
2575            .w_full()
2576            .map(|this| {
2577                if kind == acp::ToolKind::SwitchMode {
2578                    this.v_flex()
2579                } else {
2580                    this.h_flex().justify_end().flex_wrap()
2581                }
2582            })
2583            .gap_0p5()
2584            .children(options.iter().map(move |option| {
2585                let option_id = SharedString::from(option.id.0.clone());
2586                Button::new((option_id, entry_ix), option.name.clone())
2587                    .map(|this| {
2588                        let (this, action) = match option.kind {
2589                            acp::PermissionOptionKind::AllowOnce => (
2590                                this.icon(IconName::Check).icon_color(Color::Success),
2591                                Some(&AllowOnce as &dyn Action),
2592                            ),
2593                            acp::PermissionOptionKind::AllowAlways => (
2594                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2595                                Some(&AllowAlways as &dyn Action),
2596                            ),
2597                            acp::PermissionOptionKind::RejectOnce => (
2598                                this.icon(IconName::Close).icon_color(Color::Error),
2599                                Some(&RejectOnce as &dyn Action),
2600                            ),
2601                            acp::PermissionOptionKind::RejectAlways => {
2602                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2603                            }
2604                        };
2605
2606                        let Some(action) = action else {
2607                            return this;
2608                        };
2609
2610                        if !is_first || seen_kinds.contains(&option.kind) {
2611                            return this;
2612                        }
2613
2614                        seen_kinds.push(option.kind);
2615
2616                        this.key_binding(
2617                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
2618                                .map(|kb| kb.size(rems_from_px(10.))),
2619                        )
2620                    })
2621                    .icon_position(IconPosition::Start)
2622                    .icon_size(IconSize::XSmall)
2623                    .label_size(LabelSize::Small)
2624                    .on_click(cx.listener({
2625                        let tool_call_id = tool_call_id.clone();
2626                        let option_id = option.id.clone();
2627                        let option_kind = option.kind;
2628                        move |this, _, window, cx| {
2629                            this.authorize_tool_call(
2630                                tool_call_id.clone(),
2631                                option_id.clone(),
2632                                option_kind,
2633                                window,
2634                                cx,
2635                            );
2636                        }
2637                    }))
2638            }))
2639    }
2640
2641    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2642        let bar = |n: u64, width_class: &str| {
2643            let bg_color = cx.theme().colors().element_active;
2644            let base = h_flex().h_1().rounded_full();
2645
2646            let modified = match width_class {
2647                "w_4_5" => base.w_3_4(),
2648                "w_1_4" => base.w_1_4(),
2649                "w_2_4" => base.w_2_4(),
2650                "w_3_5" => base.w_3_5(),
2651                "w_2_5" => base.w_2_5(),
2652                _ => base.w_1_2(),
2653            };
2654
2655            modified.with_animation(
2656                ElementId::Integer(n),
2657                Animation::new(Duration::from_secs(2)).repeat(),
2658                move |tab, delta| {
2659                    let delta = (delta - 0.15 * n as f32) / 0.7;
2660                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2661                    let delta = ease_in_out(delta.clamp(0., 1.));
2662                    let delta = 0.1 + 0.9 * delta;
2663
2664                    tab.bg(bg_color.opacity(delta))
2665                },
2666            )
2667        };
2668
2669        v_flex()
2670            .p_3()
2671            .gap_1()
2672            .rounded_b_md()
2673            .bg(cx.theme().colors().editor_background)
2674            .child(bar(0, "w_4_5"))
2675            .child(bar(1, "w_1_4"))
2676            .child(bar(2, "w_2_4"))
2677            .child(bar(3, "w_3_5"))
2678            .child(bar(4, "w_2_5"))
2679            .into_any_element()
2680    }
2681
2682    fn render_diff_editor(
2683        &self,
2684        entry_ix: usize,
2685        diff: &Entity<acp_thread::Diff>,
2686        tool_call: &ToolCall,
2687        cx: &Context<Self>,
2688    ) -> AnyElement {
2689        let tool_progress = matches!(
2690            &tool_call.status,
2691            ToolCallStatus::InProgress | ToolCallStatus::Pending
2692        );
2693
2694        v_flex()
2695            .h_full()
2696            .border_t_1()
2697            .border_color(self.tool_card_border_color(cx))
2698            .child(
2699                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2700                    && let Some(editor) = entry.editor_for_diff(diff)
2701                    && diff.read(cx).has_revealed_range(cx)
2702                {
2703                    editor.into_any_element()
2704                } else if tool_progress && self.as_native_connection(cx).is_some() {
2705                    self.render_diff_loading(cx)
2706                } else {
2707                    Empty.into_any()
2708                },
2709            )
2710            .into_any()
2711    }
2712
2713    fn render_terminal_tool_call(
2714        &self,
2715        entry_ix: usize,
2716        terminal: &Entity<acp_thread::Terminal>,
2717        tool_call: &ToolCall,
2718        window: &Window,
2719        cx: &Context<Self>,
2720    ) -> AnyElement {
2721        let terminal_data = terminal.read(cx);
2722        let working_dir = terminal_data.working_dir();
2723        let command = terminal_data.command();
2724        let started_at = terminal_data.started_at();
2725
2726        let tool_failed = matches!(
2727            &tool_call.status,
2728            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2729        );
2730
2731        let output = terminal_data.output();
2732        let command_finished = output.is_some();
2733        let truncated_output =
2734            output.is_some_and(|output| output.original_content_len > output.content.len());
2735        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2736
2737        let command_failed = command_finished
2738            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
2739
2740        let time_elapsed = if let Some(output) = output {
2741            output.ended_at.duration_since(started_at)
2742        } else {
2743            started_at.elapsed()
2744        };
2745
2746        let header_id =
2747            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2748        let header_group = SharedString::from(format!(
2749            "terminal-tool-header-group-{}",
2750            terminal.entity_id()
2751        ));
2752        let header_bg = cx
2753            .theme()
2754            .colors()
2755            .element_background
2756            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2757        let border_color = cx.theme().colors().border.opacity(0.6);
2758
2759        let working_dir = working_dir
2760            .as_ref()
2761            .map(|path| path.display().to_string())
2762            .unwrap_or_else(|| "current directory".to_string());
2763
2764        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2765
2766        let header = h_flex()
2767            .id(header_id)
2768            .flex_none()
2769            .gap_1()
2770            .justify_between()
2771            .rounded_t_md()
2772            .child(
2773                div()
2774                    .id(("command-target-path", terminal.entity_id()))
2775                    .w_full()
2776                    .max_w_full()
2777                    .overflow_x_scroll()
2778                    .child(
2779                        Label::new(working_dir)
2780                            .buffer_font(cx)
2781                            .size(LabelSize::XSmall)
2782                            .color(Color::Muted),
2783                    ),
2784            )
2785            .when(!command_finished, |header| {
2786                header
2787                    .gap_1p5()
2788                    .child(
2789                        Button::new(
2790                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2791                            "Stop",
2792                        )
2793                        .icon(IconName::Stop)
2794                        .icon_position(IconPosition::Start)
2795                        .icon_size(IconSize::Small)
2796                        .icon_color(Color::Error)
2797                        .label_size(LabelSize::Small)
2798                        .tooltip(move |_window, cx| {
2799                            Tooltip::with_meta(
2800                                "Stop This Command",
2801                                None,
2802                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2803                                cx,
2804                            )
2805                        })
2806                        .on_click({
2807                            let terminal = terminal.clone();
2808                            cx.listener(move |_this, _event, _window, cx| {
2809                                let inner_terminal = terminal.read(cx).inner().clone();
2810                                inner_terminal.update(cx, |inner_terminal, _cx| {
2811                                    inner_terminal.kill_active_task();
2812                                });
2813                            })
2814                        }),
2815                    )
2816                    .child(Divider::vertical())
2817                    .child(
2818                        Icon::new(IconName::ArrowCircle)
2819                            .size(IconSize::XSmall)
2820                            .color(Color::Info)
2821                            .with_rotate_animation(2)
2822                    )
2823            })
2824            .when(truncated_output, |header| {
2825                let tooltip = if let Some(output) = output {
2826                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2827                       format!("Output exceeded terminal max lines and was \
2828                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2829                    } else {
2830                        format!(
2831                            "Output is {} long, and to avoid unexpected token usage, \
2832                                only {} was sent back to the agent.",
2833                            format_file_size(output.original_content_len as u64, true),
2834                             format_file_size(output.content.len() as u64, true)
2835                        )
2836                    }
2837                } else {
2838                    "Output was truncated".to_string()
2839                };
2840
2841                header.child(
2842                    h_flex()
2843                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2844                        .gap_1()
2845                        .child(
2846                            Icon::new(IconName::Info)
2847                                .size(IconSize::XSmall)
2848                                .color(Color::Ignored),
2849                        )
2850                        .child(
2851                            Label::new("Truncated")
2852                                .color(Color::Muted)
2853                                .size(LabelSize::XSmall),
2854                        )
2855                        .tooltip(Tooltip::text(tooltip)),
2856                )
2857            })
2858            .when(time_elapsed > Duration::from_secs(10), |header| {
2859                header.child(
2860                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2861                        .buffer_font(cx)
2862                        .color(Color::Muted)
2863                        .size(LabelSize::XSmall),
2864                )
2865            })
2866            .when(tool_failed || command_failed, |header| {
2867                header.child(
2868                    div()
2869                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2870                        .child(
2871                            Icon::new(IconName::Close)
2872                                .size(IconSize::Small)
2873                                .color(Color::Error),
2874                        )
2875                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2876                            this.tooltip(Tooltip::text(format!(
2877                                "Exited with code {}",
2878                                status.code().unwrap_or(-1),
2879                            )))
2880                        }),
2881                )
2882            })
2883            .child(
2884                Disclosure::new(
2885                    SharedString::from(format!(
2886                        "terminal-tool-disclosure-{}",
2887                        terminal.entity_id()
2888                    )),
2889                    is_expanded,
2890                )
2891                .opened_icon(IconName::ChevronUp)
2892                .closed_icon(IconName::ChevronDown)
2893                .visible_on_hover(&header_group)
2894                .on_click(cx.listener({
2895                    let id = tool_call.id.clone();
2896                    move |this, _event, _window, _cx| {
2897                        if is_expanded {
2898                            this.expanded_tool_calls.remove(&id);
2899                        } else {
2900                            this.expanded_tool_calls.insert(id.clone());
2901                        }
2902                    }
2903                })),
2904            );
2905
2906        let terminal_view = self
2907            .entry_view_state
2908            .read(cx)
2909            .entry(entry_ix)
2910            .and_then(|entry| entry.terminal(terminal));
2911        let show_output = is_expanded && terminal_view.is_some();
2912
2913        v_flex()
2914            .my_1p5()
2915            .mx_5()
2916            .border_1()
2917            .when(tool_failed || command_failed, |card| card.border_dashed())
2918            .border_color(border_color)
2919            .rounded_md()
2920            .overflow_hidden()
2921            .child(
2922                v_flex()
2923                    .group(&header_group)
2924                    .py_1p5()
2925                    .pr_1p5()
2926                    .pl_2()
2927                    .gap_0p5()
2928                    .bg(header_bg)
2929                    .text_xs()
2930                    .child(header)
2931                    .child(
2932                        MarkdownElement::new(
2933                            command.clone(),
2934                            terminal_command_markdown_style(window, cx),
2935                        )
2936                        .code_block_renderer(
2937                            markdown::CodeBlockRenderer::Default {
2938                                copy_button: false,
2939                                copy_button_on_hover: true,
2940                                border: false,
2941                            },
2942                        ),
2943                    ),
2944            )
2945            .when(show_output, |this| {
2946                this.child(
2947                    div()
2948                        .pt_2()
2949                        .border_t_1()
2950                        .when(tool_failed || command_failed, |card| card.border_dashed())
2951                        .border_color(border_color)
2952                        .bg(cx.theme().colors().editor_background)
2953                        .rounded_b_md()
2954                        .text_ui_sm(cx)
2955                        .h_full()
2956                        .children(terminal_view.map(|terminal_view| {
2957                            if terminal_view
2958                                .read(cx)
2959                                .content_mode(window, cx)
2960                                .is_scrollable()
2961                            {
2962                                div().h_72().child(terminal_view).into_any_element()
2963                            } else {
2964                                terminal_view.into_any_element()
2965                            }
2966                        })),
2967                )
2968            })
2969            .into_any()
2970    }
2971
2972    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2973        let project_context = self
2974            .as_native_thread(cx)?
2975            .read(cx)
2976            .project_context()
2977            .read(cx);
2978
2979        let user_rules_text = if project_context.user_rules.is_empty() {
2980            None
2981        } else if project_context.user_rules.len() == 1 {
2982            let user_rules = &project_context.user_rules[0];
2983
2984            match user_rules.title.as_ref() {
2985                Some(title) => Some(format!("Using \"{title}\" user rule")),
2986                None => Some("Using user rule".into()),
2987            }
2988        } else {
2989            Some(format!(
2990                "Using {} user rules",
2991                project_context.user_rules.len()
2992            ))
2993        };
2994
2995        let first_user_rules_id = project_context
2996            .user_rules
2997            .first()
2998            .map(|user_rules| user_rules.uuid.0);
2999
3000        let rules_files = project_context
3001            .worktrees
3002            .iter()
3003            .filter_map(|worktree| worktree.rules_file.as_ref())
3004            .collect::<Vec<_>>();
3005
3006        let rules_file_text = match rules_files.as_slice() {
3007            &[] => None,
3008            &[rules_file] => Some(format!(
3009                "Using project {:?} file",
3010                rules_file.path_in_worktree
3011            )),
3012            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3013        };
3014
3015        if user_rules_text.is_none() && rules_file_text.is_none() {
3016            return None;
3017        }
3018
3019        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3020
3021        Some(
3022            h_flex()
3023                .px_2p5()
3024                .child(
3025                    Icon::new(IconName::Attach)
3026                        .size(IconSize::XSmall)
3027                        .color(Color::Disabled),
3028                )
3029                .when_some(user_rules_text, |parent, user_rules_text| {
3030                    parent.child(
3031                        h_flex()
3032                            .id("user-rules")
3033                            .ml_1()
3034                            .mr_1p5()
3035                            .child(
3036                                Label::new(user_rules_text)
3037                                    .size(LabelSize::XSmall)
3038                                    .color(Color::Muted)
3039                                    .truncate(),
3040                            )
3041                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3042                            .tooltip(Tooltip::text("View User Rules"))
3043                            .on_click(move |_event, window, cx| {
3044                                window.dispatch_action(
3045                                    Box::new(OpenRulesLibrary {
3046                                        prompt_to_select: first_user_rules_id,
3047                                    }),
3048                                    cx,
3049                                )
3050                            }),
3051                    )
3052                })
3053                .when(has_both, |this| {
3054                    this.child(
3055                        Label::new("")
3056                            .size(LabelSize::XSmall)
3057                            .color(Color::Disabled),
3058                    )
3059                })
3060                .when_some(rules_file_text, |parent, rules_file_text| {
3061                    parent.child(
3062                        h_flex()
3063                            .id("project-rules")
3064                            .ml_1p5()
3065                            .child(
3066                                Label::new(rules_file_text)
3067                                    .size(LabelSize::XSmall)
3068                                    .color(Color::Muted),
3069                            )
3070                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3071                            .tooltip(Tooltip::text("View Project Rules"))
3072                            .on_click(cx.listener(Self::handle_open_rules)),
3073                    )
3074                })
3075                .into_any(),
3076        )
3077    }
3078
3079    fn render_empty_state_section_header(
3080        &self,
3081        label: impl Into<SharedString>,
3082        action_slot: Option<AnyElement>,
3083        cx: &mut Context<Self>,
3084    ) -> impl IntoElement {
3085        div().pl_1().pr_1p5().child(
3086            h_flex()
3087                .mt_2()
3088                .pl_1p5()
3089                .pb_1()
3090                .w_full()
3091                .justify_between()
3092                .border_b_1()
3093                .border_color(cx.theme().colors().border_variant)
3094                .child(
3095                    Label::new(label.into())
3096                        .size(LabelSize::Small)
3097                        .color(Color::Muted),
3098                )
3099                .children(action_slot),
3100        )
3101    }
3102
3103    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3104        let render_history = self
3105            .agent
3106            .clone()
3107            .downcast::<agent::NativeAgentServer>()
3108            .is_some()
3109            && self
3110                .history_store
3111                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3112
3113        v_flex()
3114            .size_full()
3115            .when(render_history, |this| {
3116                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3117                    history_store.entries().take(3).collect()
3118                });
3119                this.justify_end().child(
3120                    v_flex()
3121                        .child(
3122                            self.render_empty_state_section_header(
3123                                "Recent",
3124                                Some(
3125                                    Button::new("view-history", "View All")
3126                                        .style(ButtonStyle::Subtle)
3127                                        .label_size(LabelSize::Small)
3128                                        .key_binding(
3129                                            KeyBinding::for_action_in(
3130                                                &OpenHistory,
3131                                                &self.focus_handle(cx),
3132                                                cx,
3133                                            )
3134                                            .map(|kb| kb.size(rems_from_px(12.))),
3135                                        )
3136                                        .on_click(move |_event, window, cx| {
3137                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3138                                        })
3139                                        .into_any_element(),
3140                                ),
3141                                cx,
3142                            ),
3143                        )
3144                        .child(
3145                            v_flex().p_1().pr_1p5().gap_1().children(
3146                                recent_history
3147                                    .into_iter()
3148                                    .enumerate()
3149                                    .map(|(index, entry)| {
3150                                        // TODO: Add keyboard navigation.
3151                                        let is_hovered =
3152                                            self.hovered_recent_history_item == Some(index);
3153                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3154                                            entry,
3155                                            cx.entity().downgrade(),
3156                                        )
3157                                        .hovered(is_hovered)
3158                                        .on_hover(cx.listener(
3159                                            move |this, is_hovered, _window, cx| {
3160                                                if *is_hovered {
3161                                                    this.hovered_recent_history_item = Some(index);
3162                                                } else if this.hovered_recent_history_item
3163                                                    == Some(index)
3164                                                {
3165                                                    this.hovered_recent_history_item = None;
3166                                                }
3167                                                cx.notify();
3168                                            },
3169                                        ))
3170                                        .into_any_element()
3171                                    }),
3172                            ),
3173                        ),
3174                )
3175            })
3176            .into_any()
3177    }
3178
3179    fn render_auth_required_state(
3180        &self,
3181        connection: &Rc<dyn AgentConnection>,
3182        description: Option<&Entity<Markdown>>,
3183        configuration_view: Option<&AnyView>,
3184        pending_auth_method: Option<&acp::AuthMethodId>,
3185        window: &mut Window,
3186        cx: &Context<Self>,
3187    ) -> Div {
3188        let show_description =
3189            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3190
3191        let auth_methods = connection.auth_methods();
3192
3193        v_flex().flex_1().size_full().justify_end().child(
3194            v_flex()
3195                .p_2()
3196                .pr_3()
3197                .w_full()
3198                .gap_1()
3199                .border_t_1()
3200                .border_color(cx.theme().colors().border)
3201                .bg(cx.theme().status().warning.opacity(0.04))
3202                .child(
3203                    h_flex()
3204                        .gap_1p5()
3205                        .child(
3206                            Icon::new(IconName::Warning)
3207                                .color(Color::Warning)
3208                                .size(IconSize::Small),
3209                        )
3210                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3211                )
3212                .children(description.map(|desc| {
3213                    div().text_ui(cx).child(self.render_markdown(
3214                        desc.clone(),
3215                        default_markdown_style(false, false, window, cx),
3216                    ))
3217                }))
3218                .children(
3219                    configuration_view
3220                        .cloned()
3221                        .map(|view| div().w_full().child(view)),
3222                )
3223                .when(show_description, |el| {
3224                    el.child(
3225                        Label::new(format!(
3226                            "You are not currently authenticated with {}.{}",
3227                            self.agent.name(),
3228                            if auth_methods.len() > 1 {
3229                                " Please choose one of the following options:"
3230                            } else {
3231                                ""
3232                            }
3233                        ))
3234                        .size(LabelSize::Small)
3235                        .color(Color::Muted)
3236                        .mb_1()
3237                        .ml_5(),
3238                    )
3239                })
3240                .when_some(pending_auth_method, |el, _| {
3241                    el.child(
3242                        h_flex()
3243                            .py_4()
3244                            .w_full()
3245                            .justify_center()
3246                            .gap_1()
3247                            .child(
3248                                Icon::new(IconName::ArrowCircle)
3249                                    .size(IconSize::Small)
3250                                    .color(Color::Muted)
3251                                    .with_rotate_animation(2),
3252                            )
3253                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3254                    )
3255                })
3256                .when(!auth_methods.is_empty(), |this| {
3257                    this.child(
3258                        h_flex()
3259                            .justify_end()
3260                            .flex_wrap()
3261                            .gap_1()
3262                            .when(!show_description, |this| {
3263                                this.border_t_1()
3264                                    .mt_1()
3265                                    .pt_2()
3266                                    .border_color(cx.theme().colors().border.opacity(0.8))
3267                            })
3268                            .children(connection.auth_methods().iter().enumerate().rev().map(
3269                                |(ix, method)| {
3270                                    let (method_id, name) = if self
3271                                        .project
3272                                        .read(cx)
3273                                        .is_via_remote_server()
3274                                        && method.id.0.as_ref() == "oauth-personal"
3275                                        && method.name == "Log in with Google"
3276                                    {
3277                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3278                                    } else {
3279                                        (method.id.0.clone(), method.name.clone())
3280                                    };
3281
3282                                    Button::new(SharedString::from(method_id.clone()), name)
3283                                        .label_size(LabelSize::Small)
3284                                        .map(|this| {
3285                                            if ix == 0 {
3286                                                this.style(ButtonStyle::Tinted(TintColor::Warning))
3287                                            } else {
3288                                                this.style(ButtonStyle::Outlined)
3289                                            }
3290                                        })
3291                                        .when_some(
3292                                            method.description.clone(),
3293                                            |this, description| {
3294                                                this.tooltip(Tooltip::text(description))
3295                                            },
3296                                        )
3297                                        .on_click({
3298                                            cx.listener(move |this, _, window, cx| {
3299                                                telemetry::event!(
3300                                                    "Authenticate Agent Started",
3301                                                    agent = this.agent.telemetry_id(),
3302                                                    method = method_id
3303                                                );
3304
3305                                                this.authenticate(
3306                                                    acp::AuthMethodId(method_id.clone()),
3307                                                    window,
3308                                                    cx,
3309                                                )
3310                                            })
3311                                        })
3312                                },
3313                            )),
3314                    )
3315                }),
3316        )
3317    }
3318
3319    fn render_load_error(
3320        &self,
3321        e: &LoadError,
3322        window: &mut Window,
3323        cx: &mut Context<Self>,
3324    ) -> AnyElement {
3325        let (title, message, action_slot): (_, SharedString, _) = match e {
3326            LoadError::Unsupported {
3327                command: path,
3328                current_version,
3329                minimum_version,
3330            } => {
3331                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3332            }
3333            LoadError::FailedToInstall(msg) => (
3334                "Failed to Install",
3335                msg.into(),
3336                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3337            ),
3338            LoadError::Exited { status } => (
3339                "Failed to Launch",
3340                format!("Server exited with status {status}").into(),
3341                None,
3342            ),
3343            LoadError::Other(msg) => (
3344                "Failed to Launch",
3345                msg.into(),
3346                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3347            ),
3348        };
3349
3350        Callout::new()
3351            .severity(Severity::Error)
3352            .icon(IconName::XCircleFilled)
3353            .title(title)
3354            .description(message)
3355            .actions_slot(div().children(action_slot))
3356            .into_any_element()
3357    }
3358
3359    fn render_unsupported(
3360        &self,
3361        path: &SharedString,
3362        version: &SharedString,
3363        minimum_version: &SharedString,
3364        _window: &mut Window,
3365        cx: &mut Context<Self>,
3366    ) -> AnyElement {
3367        let (heading_label, description_label) = (
3368            format!("Upgrade {} to work with Zed", self.agent.name()),
3369            if version.is_empty() {
3370                format!(
3371                    "Currently using {}, which does not report a valid --version",
3372                    path,
3373                )
3374            } else {
3375                format!(
3376                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3377                    path, version
3378                )
3379            },
3380        );
3381
3382        v_flex()
3383            .w_full()
3384            .p_3p5()
3385            .gap_2p5()
3386            .border_t_1()
3387            .border_color(cx.theme().colors().border)
3388            .bg(linear_gradient(
3389                180.,
3390                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3391                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3392            ))
3393            .child(
3394                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3395                    Label::new(description_label)
3396                        .size(LabelSize::Small)
3397                        .color(Color::Muted),
3398                ),
3399            )
3400            .into_any_element()
3401    }
3402
3403    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3404        let editor_bg_color = cx.theme().colors().editor_background;
3405        let active_color = cx.theme().colors().element_selected;
3406        editor_bg_color.blend(active_color.opacity(0.3))
3407    }
3408
3409    fn render_activity_bar(
3410        &self,
3411        thread_entity: &Entity<AcpThread>,
3412        window: &mut Window,
3413        cx: &Context<Self>,
3414    ) -> Option<AnyElement> {
3415        let thread = thread_entity.read(cx);
3416        let action_log = thread.action_log();
3417        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3418        let plan = thread.plan();
3419
3420        if changed_buffers.is_empty() && plan.is_empty() {
3421            return None;
3422        }
3423
3424        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3425        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3426        // be, which blocks you from being able to accept or reject edits. This switches the
3427        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3428        // block you from using the panel.
3429        let pending_edits = false;
3430
3431        v_flex()
3432            .mt_1()
3433            .mx_2()
3434            .bg(self.activity_bar_bg(cx))
3435            .border_1()
3436            .border_b_0()
3437            .border_color(cx.theme().colors().border)
3438            .rounded_t_md()
3439            .shadow(vec![gpui::BoxShadow {
3440                color: gpui::black().opacity(0.15),
3441                offset: point(px(1.), px(-1.)),
3442                blur_radius: px(3.),
3443                spread_radius: px(0.),
3444            }])
3445            .when(!plan.is_empty(), |this| {
3446                this.child(self.render_plan_summary(plan, window, cx))
3447                    .when(self.plan_expanded, |parent| {
3448                        parent.child(self.render_plan_entries(plan, window, cx))
3449                    })
3450            })
3451            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3452                this.child(Divider::horizontal().color(DividerColor::Border))
3453            })
3454            .when(!changed_buffers.is_empty(), |this| {
3455                this.child(self.render_edits_summary(
3456                    &changed_buffers,
3457                    self.edits_expanded,
3458                    pending_edits,
3459                    cx,
3460                ))
3461                .when(self.edits_expanded, |parent| {
3462                    parent.child(self.render_edited_files(
3463                        action_log,
3464                        &changed_buffers,
3465                        pending_edits,
3466                        cx,
3467                    ))
3468                })
3469            })
3470            .into_any()
3471            .into()
3472    }
3473
3474    fn render_plan_summary(
3475        &self,
3476        plan: &Plan,
3477        window: &mut Window,
3478        cx: &Context<Self>,
3479    ) -> impl IntoElement {
3480        let stats = plan.stats();
3481
3482        let title = if let Some(entry) = stats.in_progress_entry
3483            && !self.plan_expanded
3484        {
3485            h_flex()
3486                .cursor_default()
3487                .relative()
3488                .w_full()
3489                .gap_1()
3490                .truncate()
3491                .child(
3492                    Label::new("Current:")
3493                        .size(LabelSize::Small)
3494                        .color(Color::Muted),
3495                )
3496                .child(
3497                    div()
3498                        .text_xs()
3499                        .text_color(cx.theme().colors().text_muted)
3500                        .line_clamp(1)
3501                        .child(MarkdownElement::new(
3502                            entry.content.clone(),
3503                            plan_label_markdown_style(&entry.status, window, cx),
3504                        )),
3505                )
3506                .when(stats.pending > 0, |this| {
3507                    this.child(
3508                        h_flex()
3509                            .absolute()
3510                            .top_0()
3511                            .right_0()
3512                            .h_full()
3513                            .child(div().min_w_8().h_full().bg(linear_gradient(
3514                                90.,
3515                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3516                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3517                            )))
3518                            .child(
3519                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3520                                    Label::new(format!("{} left", stats.pending))
3521                                        .size(LabelSize::Small)
3522                                        .color(Color::Muted),
3523                                ),
3524                            ),
3525                    )
3526                })
3527        } else {
3528            let status_label = if stats.pending == 0 {
3529                "All Done".to_string()
3530            } else if stats.completed == 0 {
3531                format!("{} Tasks", plan.entries.len())
3532            } else {
3533                format!("{}/{}", stats.completed, plan.entries.len())
3534            };
3535
3536            h_flex()
3537                .w_full()
3538                .gap_1()
3539                .justify_between()
3540                .child(
3541                    Label::new("Plan")
3542                        .size(LabelSize::Small)
3543                        .color(Color::Muted),
3544                )
3545                .child(
3546                    Label::new(status_label)
3547                        .size(LabelSize::Small)
3548                        .color(Color::Muted)
3549                        .mr_1(),
3550                )
3551        };
3552
3553        h_flex()
3554            .id("plan_summary")
3555            .p_1()
3556            .w_full()
3557            .gap_1()
3558            .when(self.plan_expanded, |this| {
3559                this.border_b_1().border_color(cx.theme().colors().border)
3560            })
3561            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3562            .child(title)
3563            .on_click(cx.listener(|this, _, _, cx| {
3564                this.plan_expanded = !this.plan_expanded;
3565                cx.notify();
3566            }))
3567    }
3568
3569    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3570        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3571            let element = h_flex()
3572                .py_1()
3573                .px_2()
3574                .gap_2()
3575                .justify_between()
3576                .bg(cx.theme().colors().editor_background)
3577                .when(index < plan.entries.len() - 1, |parent| {
3578                    parent.border_color(cx.theme().colors().border).border_b_1()
3579                })
3580                .child(
3581                    h_flex()
3582                        .id(("plan_entry", index))
3583                        .gap_1p5()
3584                        .max_w_full()
3585                        .overflow_x_scroll()
3586                        .text_xs()
3587                        .text_color(cx.theme().colors().text_muted)
3588                        .child(match entry.status {
3589                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3590                                .size(IconSize::Small)
3591                                .color(Color::Muted)
3592                                .into_any_element(),
3593                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3594                                .size(IconSize::Small)
3595                                .color(Color::Accent)
3596                                .with_rotate_animation(2)
3597                                .into_any_element(),
3598                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3599                                .size(IconSize::Small)
3600                                .color(Color::Success)
3601                                .into_any_element(),
3602                        })
3603                        .child(MarkdownElement::new(
3604                            entry.content.clone(),
3605                            plan_label_markdown_style(&entry.status, window, cx),
3606                        )),
3607                );
3608
3609            Some(element)
3610        }))
3611    }
3612
3613    fn render_edits_summary(
3614        &self,
3615        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3616        expanded: bool,
3617        pending_edits: bool,
3618        cx: &Context<Self>,
3619    ) -> Div {
3620        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3621
3622        let focus_handle = self.focus_handle(cx);
3623
3624        h_flex()
3625            .p_1()
3626            .justify_between()
3627            .flex_wrap()
3628            .when(expanded, |this| {
3629                this.border_b_1().border_color(cx.theme().colors().border)
3630            })
3631            .child(
3632                h_flex()
3633                    .id("edits-container")
3634                    .gap_1()
3635                    .child(Disclosure::new("edits-disclosure", expanded))
3636                    .map(|this| {
3637                        if pending_edits {
3638                            this.child(
3639                                Label::new(format!(
3640                                    "Editing {} {}",
3641                                    changed_buffers.len(),
3642                                    if changed_buffers.len() == 1 {
3643                                        "file"
3644                                    } else {
3645                                        "files"
3646                                    }
3647                                ))
3648                                .color(Color::Muted)
3649                                .size(LabelSize::Small)
3650                                .with_animation(
3651                                    "edit-label",
3652                                    Animation::new(Duration::from_secs(2))
3653                                        .repeat()
3654                                        .with_easing(pulsating_between(0.3, 0.7)),
3655                                    |label, delta| label.alpha(delta),
3656                                ),
3657                            )
3658                        } else {
3659                            this.child(
3660                                Label::new("Edits")
3661                                    .size(LabelSize::Small)
3662                                    .color(Color::Muted),
3663                            )
3664                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3665                            .child(
3666                                Label::new(format!(
3667                                    "{} {}",
3668                                    changed_buffers.len(),
3669                                    if changed_buffers.len() == 1 {
3670                                        "file"
3671                                    } else {
3672                                        "files"
3673                                    }
3674                                ))
3675                                .size(LabelSize::Small)
3676                                .color(Color::Muted),
3677                            )
3678                        }
3679                    })
3680                    .on_click(cx.listener(|this, _, _, cx| {
3681                        this.edits_expanded = !this.edits_expanded;
3682                        cx.notify();
3683                    })),
3684            )
3685            .child(
3686                h_flex()
3687                    .gap_1()
3688                    .child(
3689                        IconButton::new("review-changes", IconName::ListTodo)
3690                            .icon_size(IconSize::Small)
3691                            .tooltip({
3692                                let focus_handle = focus_handle.clone();
3693                                move |_window, cx| {
3694                                    Tooltip::for_action_in(
3695                                        "Review Changes",
3696                                        &OpenAgentDiff,
3697                                        &focus_handle,
3698                                        cx,
3699                                    )
3700                                }
3701                            })
3702                            .on_click(cx.listener(|_, _, window, cx| {
3703                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3704                            })),
3705                    )
3706                    .child(Divider::vertical().color(DividerColor::Border))
3707                    .child(
3708                        Button::new("reject-all-changes", "Reject All")
3709                            .label_size(LabelSize::Small)
3710                            .disabled(pending_edits)
3711                            .when(pending_edits, |this| {
3712                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3713                            })
3714                            .key_binding(
3715                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
3716                                    .map(|kb| kb.size(rems_from_px(10.))),
3717                            )
3718                            .on_click(cx.listener(move |this, _, window, cx| {
3719                                this.reject_all(&RejectAll, window, cx);
3720                            })),
3721                    )
3722                    .child(
3723                        Button::new("keep-all-changes", "Keep All")
3724                            .label_size(LabelSize::Small)
3725                            .disabled(pending_edits)
3726                            .when(pending_edits, |this| {
3727                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3728                            })
3729                            .key_binding(
3730                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
3731                                    .map(|kb| kb.size(rems_from_px(10.))),
3732                            )
3733                            .on_click(cx.listener(move |this, _, window, cx| {
3734                                this.keep_all(&KeepAll, window, cx);
3735                            })),
3736                    ),
3737            )
3738    }
3739
3740    fn render_edited_files(
3741        &self,
3742        action_log: &Entity<ActionLog>,
3743        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3744        pending_edits: bool,
3745        cx: &Context<Self>,
3746    ) -> Div {
3747        let editor_bg_color = cx.theme().colors().editor_background;
3748
3749        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3750            |(index, (buffer, _diff))| {
3751                let file = buffer.read(cx).file()?;
3752                let path = file.path();
3753                let path_style = file.path_style(cx);
3754                let separator = file.path_style(cx).separator();
3755
3756                let file_path = path.parent().and_then(|parent| {
3757                    if parent.is_empty() {
3758                        None
3759                    } else {
3760                        Some(
3761                            Label::new(format!("{}{separator}", parent.display(path_style)))
3762                                .color(Color::Muted)
3763                                .size(LabelSize::XSmall)
3764                                .buffer_font(cx),
3765                        )
3766                    }
3767                });
3768
3769                let file_name = path.file_name().map(|name| {
3770                    Label::new(name.to_string())
3771                        .size(LabelSize::XSmall)
3772                        .buffer_font(cx)
3773                });
3774
3775                let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
3776                    .map(Icon::from_path)
3777                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3778                    .unwrap_or_else(|| {
3779                        Icon::new(IconName::File)
3780                            .color(Color::Muted)
3781                            .size(IconSize::Small)
3782                    });
3783
3784                let overlay_gradient = linear_gradient(
3785                    90.,
3786                    linear_color_stop(editor_bg_color, 1.),
3787                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3788                );
3789
3790                let element = h_flex()
3791                    .group("edited-code")
3792                    .id(("file-container", index))
3793                    .py_1()
3794                    .pl_2()
3795                    .pr_1()
3796                    .gap_2()
3797                    .justify_between()
3798                    .bg(editor_bg_color)
3799                    .when(index < changed_buffers.len() - 1, |parent| {
3800                        parent.border_color(cx.theme().colors().border).border_b_1()
3801                    })
3802                    .child(
3803                        h_flex()
3804                            .relative()
3805                            .id(("file-name", index))
3806                            .pr_8()
3807                            .gap_1p5()
3808                            .w_full()
3809                            .overflow_x_scroll()
3810                            .child(file_icon)
3811                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3812                            .child(
3813                                div()
3814                                    .absolute()
3815                                    .h_full()
3816                                    .w_12()
3817                                    .top_0()
3818                                    .bottom_0()
3819                                    .right_0()
3820                                    .bg(overlay_gradient),
3821                            )
3822                            .on_click({
3823                                let buffer = buffer.clone();
3824                                cx.listener(move |this, _, window, cx| {
3825                                    this.open_edited_buffer(&buffer, window, cx);
3826                                })
3827                            }),
3828                    )
3829                    .child(
3830                        h_flex()
3831                            .gap_1()
3832                            .visible_on_hover("edited-code")
3833                            .child(
3834                                Button::new("review", "Review")
3835                                    .label_size(LabelSize::Small)
3836                                    .on_click({
3837                                        let buffer = buffer.clone();
3838                                        cx.listener(move |this, _, window, cx| {
3839                                            this.open_edited_buffer(&buffer, window, cx);
3840                                        })
3841                                    }),
3842                            )
3843                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3844                            .child(
3845                                Button::new("reject-file", "Reject")
3846                                    .label_size(LabelSize::Small)
3847                                    .disabled(pending_edits)
3848                                    .on_click({
3849                                        let buffer = buffer.clone();
3850                                        let action_log = action_log.clone();
3851                                        move |_, _, cx| {
3852                                            action_log.update(cx, |action_log, cx| {
3853                                                action_log
3854                                                    .reject_edits_in_ranges(
3855                                                        buffer.clone(),
3856                                                        vec![Anchor::MIN..Anchor::MAX],
3857                                                        cx,
3858                                                    )
3859                                                    .detach_and_log_err(cx);
3860                                            })
3861                                        }
3862                                    }),
3863                            )
3864                            .child(
3865                                Button::new("keep-file", "Keep")
3866                                    .label_size(LabelSize::Small)
3867                                    .disabled(pending_edits)
3868                                    .on_click({
3869                                        let buffer = buffer.clone();
3870                                        let action_log = action_log.clone();
3871                                        move |_, _, cx| {
3872                                            action_log.update(cx, |action_log, cx| {
3873                                                action_log.keep_edits_in_range(
3874                                                    buffer.clone(),
3875                                                    Anchor::MIN..Anchor::MAX,
3876                                                    cx,
3877                                                );
3878                                            })
3879                                        }
3880                                    }),
3881                            ),
3882                    );
3883
3884                Some(element)
3885            },
3886        ))
3887    }
3888
3889    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3890        let focus_handle = self.message_editor.focus_handle(cx);
3891        let editor_bg_color = cx.theme().colors().editor_background;
3892        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3893            (IconName::Minimize, "Minimize Message Editor")
3894        } else {
3895            (IconName::Maximize, "Expand Message Editor")
3896        };
3897
3898        let backdrop = div()
3899            .size_full()
3900            .absolute()
3901            .inset_0()
3902            .bg(cx.theme().colors().panel_background)
3903            .opacity(0.8)
3904            .block_mouse_except_scroll();
3905
3906        let enable_editor = match self.thread_state {
3907            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3908            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3909        };
3910
3911        v_flex()
3912            .on_action(cx.listener(Self::expand_message_editor))
3913            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3914                if let Some(profile_selector) = this.profile_selector.as_ref() {
3915                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3916                } else if let Some(mode_selector) = this.mode_selector() {
3917                    mode_selector.read(cx).menu_handle().toggle(window, cx);
3918                }
3919            }))
3920            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
3921                if let Some(mode_selector) = this.mode_selector() {
3922                    mode_selector.update(cx, |mode_selector, cx| {
3923                        mode_selector.cycle_mode(window, cx);
3924                    });
3925                }
3926            }))
3927            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3928                if let Some(model_selector) = this.model_selector.as_ref() {
3929                    model_selector
3930                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3931                }
3932            }))
3933            .p_2()
3934            .gap_2()
3935            .border_t_1()
3936            .border_color(cx.theme().colors().border)
3937            .bg(editor_bg_color)
3938            .when(self.editor_expanded, |this| {
3939                this.h(vh(0.8, window)).size_full().justify_between()
3940            })
3941            .child(
3942                v_flex()
3943                    .relative()
3944                    .size_full()
3945                    .pt_1()
3946                    .pr_2p5()
3947                    .child(self.message_editor.clone())
3948                    .child(
3949                        h_flex()
3950                            .absolute()
3951                            .top_0()
3952                            .right_0()
3953                            .opacity(0.5)
3954                            .hover(|this| this.opacity(1.0))
3955                            .child(
3956                                IconButton::new("toggle-height", expand_icon)
3957                                    .icon_size(IconSize::Small)
3958                                    .icon_color(Color::Muted)
3959                                    .tooltip({
3960                                        move |_window, cx| {
3961                                            Tooltip::for_action_in(
3962                                                expand_tooltip,
3963                                                &ExpandMessageEditor,
3964                                                &focus_handle,
3965                                                cx,
3966                                            )
3967                                        }
3968                                    })
3969                                    .on_click(cx.listener(|_, _, window, cx| {
3970                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3971                                    })),
3972                            ),
3973                    ),
3974            )
3975            .child(
3976                h_flex()
3977                    .flex_none()
3978                    .flex_wrap()
3979                    .justify_between()
3980                    .child(
3981                        h_flex()
3982                            .child(self.render_follow_toggle(cx))
3983                            .children(self.render_burn_mode_toggle(cx)),
3984                    )
3985                    .child(
3986                        h_flex()
3987                            .gap_1()
3988                            .children(self.render_token_usage(cx))
3989                            .children(self.profile_selector.clone())
3990                            .children(self.mode_selector().cloned())
3991                            .children(self.model_selector.clone())
3992                            .child(self.render_send_button(cx)),
3993                    ),
3994            )
3995            .when(!enable_editor, |this| this.child(backdrop))
3996            .into_any()
3997    }
3998
3999    pub(crate) fn as_native_connection(
4000        &self,
4001        cx: &App,
4002    ) -> Option<Rc<agent::NativeAgentConnection>> {
4003        let acp_thread = self.thread()?.read(cx);
4004        acp_thread.connection().clone().downcast()
4005    }
4006
4007    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4008        let acp_thread = self.thread()?.read(cx);
4009        self.as_native_connection(cx)?
4010            .thread(acp_thread.session_id(), cx)
4011    }
4012
4013    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4014        self.as_native_thread(cx)
4015            .and_then(|thread| thread.read(cx).model())
4016            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4017    }
4018
4019    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4020        let thread = self.thread()?.read(cx);
4021        let usage = thread.token_usage()?;
4022        let is_generating = thread.status() != ThreadStatus::Idle;
4023
4024        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4025        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4026
4027        Some(
4028            h_flex()
4029                .flex_shrink_0()
4030                .gap_0p5()
4031                .mr_1p5()
4032                .child(
4033                    Label::new(used)
4034                        .size(LabelSize::Small)
4035                        .color(Color::Muted)
4036                        .map(|label| {
4037                            if is_generating {
4038                                label
4039                                    .with_animation(
4040                                        "used-tokens-label",
4041                                        Animation::new(Duration::from_secs(2))
4042                                            .repeat()
4043                                            .with_easing(pulsating_between(0.3, 0.8)),
4044                                        |label, delta| label.alpha(delta),
4045                                    )
4046                                    .into_any()
4047                            } else {
4048                                label.into_any_element()
4049                            }
4050                        }),
4051                )
4052                .child(
4053                    Label::new("/")
4054                        .size(LabelSize::Small)
4055                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4056                )
4057                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4058        )
4059    }
4060
4061    fn toggle_burn_mode(
4062        &mut self,
4063        _: &ToggleBurnMode,
4064        _window: &mut Window,
4065        cx: &mut Context<Self>,
4066    ) {
4067        let Some(thread) = self.as_native_thread(cx) else {
4068            return;
4069        };
4070
4071        thread.update(cx, |thread, cx| {
4072            let current_mode = thread.completion_mode();
4073            thread.set_completion_mode(
4074                match current_mode {
4075                    CompletionMode::Burn => CompletionMode::Normal,
4076                    CompletionMode::Normal => CompletionMode::Burn,
4077                },
4078                cx,
4079            );
4080        });
4081    }
4082
4083    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4084        let Some(thread) = self.thread() else {
4085            return;
4086        };
4087        let action_log = thread.read(cx).action_log().clone();
4088        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
4089    }
4090
4091    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4092        let Some(thread) = self.thread() else {
4093            return;
4094        };
4095        let action_log = thread.read(cx).action_log().clone();
4096        action_log
4097            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
4098            .detach();
4099    }
4100
4101    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4102        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4103    }
4104
4105    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4106        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4107    }
4108
4109    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4110        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4111    }
4112
4113    fn authorize_pending_tool_call(
4114        &mut self,
4115        kind: acp::PermissionOptionKind,
4116        window: &mut Window,
4117        cx: &mut Context<Self>,
4118    ) -> Option<()> {
4119        let thread = self.thread()?.read(cx);
4120        let tool_call = thread.first_tool_awaiting_confirmation()?;
4121        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4122            return None;
4123        };
4124        let option = options.iter().find(|o| o.kind == kind)?;
4125
4126        self.authorize_tool_call(
4127            tool_call.id.clone(),
4128            option.id.clone(),
4129            option.kind,
4130            window,
4131            cx,
4132        );
4133
4134        Some(())
4135    }
4136
4137    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4138        let thread = self.as_native_thread(cx)?.read(cx);
4139
4140        if thread
4141            .model()
4142            .is_none_or(|model| !model.supports_burn_mode())
4143        {
4144            return None;
4145        }
4146
4147        let active_completion_mode = thread.completion_mode();
4148        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4149        let icon = if burn_mode_enabled {
4150            IconName::ZedBurnModeOn
4151        } else {
4152            IconName::ZedBurnMode
4153        };
4154
4155        Some(
4156            IconButton::new("burn-mode", icon)
4157                .icon_size(IconSize::Small)
4158                .icon_color(Color::Muted)
4159                .toggle_state(burn_mode_enabled)
4160                .selected_icon_color(Color::Error)
4161                .on_click(cx.listener(|this, _event, window, cx| {
4162                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4163                }))
4164                .tooltip(move |_window, cx| {
4165                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4166                        .into()
4167                })
4168                .into_any_element(),
4169        )
4170    }
4171
4172    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4173        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4174        let is_generating = self
4175            .thread()
4176            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4177
4178        if self.is_loading_contents {
4179            div()
4180                .id("loading-message-content")
4181                .px_1()
4182                .tooltip(Tooltip::text("Loading Added Context…"))
4183                .child(loading_contents_spinner(IconSize::default()))
4184                .into_any_element()
4185        } else if is_generating && is_editor_empty {
4186            IconButton::new("stop-generation", IconName::Stop)
4187                .icon_color(Color::Error)
4188                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4189                .tooltip(move |_window, cx| {
4190                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4191                })
4192                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4193                .into_any_element()
4194        } else {
4195            let send_btn_tooltip = if is_editor_empty && !is_generating {
4196                "Type to Send"
4197            } else if is_generating {
4198                "Stop and Send Message"
4199            } else {
4200                "Send"
4201            };
4202
4203            IconButton::new("send-message", IconName::Send)
4204                .style(ButtonStyle::Filled)
4205                .map(|this| {
4206                    if is_editor_empty && !is_generating {
4207                        this.disabled(true).icon_color(Color::Muted)
4208                    } else {
4209                        this.icon_color(Color::Accent)
4210                    }
4211                })
4212                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4213                .on_click(cx.listener(|this, _, window, cx| {
4214                    this.send(window, cx);
4215                }))
4216                .into_any_element()
4217        }
4218    }
4219
4220    fn is_following(&self, cx: &App) -> bool {
4221        match self.thread().map(|thread| thread.read(cx).status()) {
4222            Some(ThreadStatus::Generating) => self
4223                .workspace
4224                .read_with(cx, |workspace, _| {
4225                    workspace.is_being_followed(CollaboratorId::Agent)
4226                })
4227                .unwrap_or(false),
4228            _ => self.should_be_following,
4229        }
4230    }
4231
4232    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4233        let following = self.is_following(cx);
4234
4235        self.should_be_following = !following;
4236        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4237            self.workspace
4238                .update(cx, |workspace, cx| {
4239                    if following {
4240                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4241                    } else {
4242                        workspace.follow(CollaboratorId::Agent, window, cx);
4243                    }
4244                })
4245                .ok();
4246        }
4247
4248        telemetry::event!("Follow Agent Selected", following = !following);
4249    }
4250
4251    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4252        let following = self.is_following(cx);
4253
4254        let tooltip_label = if following {
4255            if self.agent.name() == "Zed Agent" {
4256                format!("Stop Following the {}", self.agent.name())
4257            } else {
4258                format!("Stop Following {}", self.agent.name())
4259            }
4260        } else {
4261            if self.agent.name() == "Zed Agent" {
4262                format!("Follow the {}", self.agent.name())
4263            } else {
4264                format!("Follow {}", self.agent.name())
4265            }
4266        };
4267
4268        IconButton::new("follow-agent", IconName::Crosshair)
4269            .icon_size(IconSize::Small)
4270            .icon_color(Color::Muted)
4271            .toggle_state(following)
4272            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4273            .tooltip(move |_window, cx| {
4274                if following {
4275                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4276                } else {
4277                    Tooltip::with_meta(
4278                        tooltip_label.clone(),
4279                        Some(&Follow),
4280                        "Track the agent's location as it reads and edits files.",
4281                        cx,
4282                    )
4283                }
4284            })
4285            .on_click(cx.listener(move |this, _, window, cx| {
4286                this.toggle_following(window, cx);
4287            }))
4288    }
4289
4290    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4291        let workspace = self.workspace.clone();
4292        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4293            Self::open_link(text, &workspace, window, cx);
4294        })
4295    }
4296
4297    fn open_link(
4298        url: SharedString,
4299        workspace: &WeakEntity<Workspace>,
4300        window: &mut Window,
4301        cx: &mut App,
4302    ) {
4303        let Some(workspace) = workspace.upgrade() else {
4304            cx.open_url(&url);
4305            return;
4306        };
4307
4308        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
4309        {
4310            workspace.update(cx, |workspace, cx| match mention {
4311                MentionUri::File { abs_path } => {
4312                    let project = workspace.project();
4313                    let Some(path) =
4314                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4315                    else {
4316                        return;
4317                    };
4318
4319                    workspace
4320                        .open_path(path, None, true, window, cx)
4321                        .detach_and_log_err(cx);
4322                }
4323                MentionUri::PastedImage => {}
4324                MentionUri::Directory { abs_path } => {
4325                    let project = workspace.project();
4326                    let Some(entry_id) = project.update(cx, |project, cx| {
4327                        let path = project.find_project_path(abs_path, cx)?;
4328                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4329                    }) else {
4330                        return;
4331                    };
4332
4333                    project.update(cx, |_, cx| {
4334                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4335                    });
4336                }
4337                MentionUri::Symbol {
4338                    abs_path: path,
4339                    line_range,
4340                    ..
4341                }
4342                | MentionUri::Selection {
4343                    abs_path: Some(path),
4344                    line_range,
4345                } => {
4346                    let project = workspace.project();
4347                    let Some(path) =
4348                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4349                    else {
4350                        return;
4351                    };
4352
4353                    let item = workspace.open_path(path, None, true, window, cx);
4354                    window
4355                        .spawn(cx, async move |cx| {
4356                            let Some(editor) = item.await?.downcast::<Editor>() else {
4357                                return Ok(());
4358                            };
4359                            let range = Point::new(*line_range.start(), 0)
4360                                ..Point::new(*line_range.start(), 0);
4361                            editor
4362                                .update_in(cx, |editor, window, cx| {
4363                                    editor.change_selections(
4364                                        SelectionEffects::scroll(Autoscroll::center()),
4365                                        window,
4366                                        cx,
4367                                        |s| s.select_ranges(vec![range]),
4368                                    );
4369                                })
4370                                .ok();
4371                            anyhow::Ok(())
4372                        })
4373                        .detach_and_log_err(cx);
4374                }
4375                MentionUri::Selection { abs_path: None, .. } => {}
4376                MentionUri::Thread { id, name } => {
4377                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4378                        panel.update(cx, |panel, cx| {
4379                            panel.load_agent_thread(
4380                                DbThreadMetadata {
4381                                    id,
4382                                    title: name.into(),
4383                                    updated_at: Default::default(),
4384                                },
4385                                window,
4386                                cx,
4387                            )
4388                        });
4389                    }
4390                }
4391                MentionUri::TextThread { path, .. } => {
4392                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4393                        panel.update(cx, |panel, cx| {
4394                            panel
4395                                .open_saved_text_thread(path.as_path().into(), window, cx)
4396                                .detach_and_log_err(cx);
4397                        });
4398                    }
4399                }
4400                MentionUri::Rule { id, .. } => {
4401                    let PromptId::User { uuid } = id else {
4402                        return;
4403                    };
4404                    window.dispatch_action(
4405                        Box::new(OpenRulesLibrary {
4406                            prompt_to_select: Some(uuid.0),
4407                        }),
4408                        cx,
4409                    )
4410                }
4411                MentionUri::Fetch { url } => {
4412                    cx.open_url(url.as_str());
4413                }
4414            })
4415        } else {
4416            cx.open_url(&url);
4417        }
4418    }
4419
4420    fn open_tool_call_location(
4421        &self,
4422        entry_ix: usize,
4423        location_ix: usize,
4424        window: &mut Window,
4425        cx: &mut Context<Self>,
4426    ) -> Option<()> {
4427        let (tool_call_location, agent_location) = self
4428            .thread()?
4429            .read(cx)
4430            .entries()
4431            .get(entry_ix)?
4432            .location(location_ix)?;
4433
4434        let project_path = self
4435            .project
4436            .read(cx)
4437            .find_project_path(&tool_call_location.path, cx)?;
4438
4439        let open_task = self
4440            .workspace
4441            .update(cx, |workspace, cx| {
4442                workspace.open_path(project_path, None, true, window, cx)
4443            })
4444            .log_err()?;
4445        window
4446            .spawn(cx, async move |cx| {
4447                let item = open_task.await?;
4448
4449                let Some(active_editor) = item.downcast::<Editor>() else {
4450                    return anyhow::Ok(());
4451                };
4452
4453                active_editor.update_in(cx, |editor, window, cx| {
4454                    let multibuffer = editor.buffer().read(cx);
4455                    let buffer = multibuffer.as_singleton();
4456                    if agent_location.buffer.upgrade() == buffer {
4457                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4458                        let anchor = editor::Anchor::in_buffer(
4459                            excerpt_id.unwrap(),
4460                            buffer.unwrap().read(cx).remote_id(),
4461                            agent_location.position,
4462                        );
4463                        editor.change_selections(Default::default(), window, cx, |selections| {
4464                            selections.select_anchor_ranges([anchor..anchor]);
4465                        })
4466                    } else {
4467                        let row = tool_call_location.line.unwrap_or_default();
4468                        editor.change_selections(Default::default(), window, cx, |selections| {
4469                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4470                        })
4471                    }
4472                })?;
4473
4474                anyhow::Ok(())
4475            })
4476            .detach_and_log_err(cx);
4477
4478        None
4479    }
4480
4481    pub fn open_thread_as_markdown(
4482        &self,
4483        workspace: Entity<Workspace>,
4484        window: &mut Window,
4485        cx: &mut App,
4486    ) -> Task<Result<()>> {
4487        let markdown_language_task = workspace
4488            .read(cx)
4489            .app_state()
4490            .languages
4491            .language_for_name("Markdown");
4492
4493        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4494            let thread = thread.read(cx);
4495            (thread.title().to_string(), thread.to_markdown(cx))
4496        } else {
4497            return Task::ready(Ok(()));
4498        };
4499
4500        window.spawn(cx, async move |cx| {
4501            let markdown_language = markdown_language_task.await?;
4502
4503            workspace.update_in(cx, |workspace, window, cx| {
4504                let project = workspace.project().clone();
4505
4506                if !project.read(cx).is_local() {
4507                    bail!("failed to open active thread as markdown in remote project");
4508                }
4509
4510                let buffer = project.update(cx, |project, cx| {
4511                    project.create_local_buffer(&markdown, Some(markdown_language), true, cx)
4512                });
4513                let buffer = cx.new(|cx| {
4514                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4515                });
4516
4517                workspace.add_item_to_active_pane(
4518                    Box::new(cx.new(|cx| {
4519                        let mut editor =
4520                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4521                        editor.set_breadcrumb_header(thread_summary);
4522                        editor
4523                    })),
4524                    None,
4525                    true,
4526                    window,
4527                    cx,
4528                );
4529
4530                anyhow::Ok(())
4531            })??;
4532            anyhow::Ok(())
4533        })
4534    }
4535
4536    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4537        self.list_state.scroll_to(ListOffset::default());
4538        cx.notify();
4539    }
4540
4541    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4542        if let Some(thread) = self.thread() {
4543            let entry_count = thread.read(cx).entries().len();
4544            self.list_state.reset(entry_count);
4545            cx.notify();
4546        }
4547    }
4548
4549    fn notify_with_sound(
4550        &mut self,
4551        caption: impl Into<SharedString>,
4552        icon: IconName,
4553        window: &mut Window,
4554        cx: &mut Context<Self>,
4555    ) {
4556        self.play_notification_sound(window, cx);
4557        self.show_notification(caption, icon, window, cx);
4558    }
4559
4560    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4561        let settings = AgentSettings::get_global(cx);
4562        if settings.play_sound_when_agent_done && !window.is_window_active() {
4563            Audio::play_sound(Sound::AgentDone, cx);
4564        }
4565    }
4566
4567    fn show_notification(
4568        &mut self,
4569        caption: impl Into<SharedString>,
4570        icon: IconName,
4571        window: &mut Window,
4572        cx: &mut Context<Self>,
4573    ) {
4574        if !self.notifications.is_empty() {
4575            return;
4576        }
4577
4578        let settings = AgentSettings::get_global(cx);
4579
4580        let window_is_inactive = !window.is_window_active();
4581        let panel_is_hidden = self
4582            .workspace
4583            .upgrade()
4584            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
4585            .unwrap_or(true);
4586
4587        let should_notify = window_is_inactive || panel_is_hidden;
4588
4589        if !should_notify {
4590            return;
4591        }
4592
4593        // TODO: Change this once we have title summarization for external agents.
4594        let title = self.agent.name();
4595
4596        match settings.notify_when_agent_waiting {
4597            NotifyWhenAgentWaiting::PrimaryScreen => {
4598                if let Some(primary) = cx.primary_display() {
4599                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4600                }
4601            }
4602            NotifyWhenAgentWaiting::AllScreens => {
4603                let caption = caption.into();
4604                for screen in cx.displays() {
4605                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4606                }
4607            }
4608            NotifyWhenAgentWaiting::Never => {
4609                // Don't show anything
4610            }
4611        }
4612    }
4613
4614    fn pop_up(
4615        &mut self,
4616        icon: IconName,
4617        caption: SharedString,
4618        title: SharedString,
4619        window: &mut Window,
4620        screen: Rc<dyn PlatformDisplay>,
4621        cx: &mut Context<Self>,
4622    ) {
4623        let options = AgentNotification::window_options(screen, cx);
4624
4625        let project_name = self.workspace.upgrade().and_then(|workspace| {
4626            workspace
4627                .read(cx)
4628                .project()
4629                .read(cx)
4630                .visible_worktrees(cx)
4631                .next()
4632                .map(|worktree| worktree.read(cx).root_name_str().to_string())
4633        });
4634
4635        if let Some(screen_window) = cx
4636            .open_window(options, |_, cx| {
4637                cx.new(|_| {
4638                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4639                })
4640            })
4641            .log_err()
4642            && let Some(pop_up) = screen_window.entity(cx).log_err()
4643        {
4644            self.notification_subscriptions
4645                .entry(screen_window)
4646                .or_insert_with(Vec::new)
4647                .push(cx.subscribe_in(&pop_up, window, {
4648                    |this, _, event, window, cx| match event {
4649                        AgentNotificationEvent::Accepted => {
4650                            let handle = window.window_handle();
4651                            cx.activate(true);
4652
4653                            let workspace_handle = this.workspace.clone();
4654
4655                            // If there are multiple Zed windows, activate the correct one.
4656                            cx.defer(move |cx| {
4657                                handle
4658                                    .update(cx, |_view, window, _cx| {
4659                                        window.activate_window();
4660
4661                                        if let Some(workspace) = workspace_handle.upgrade() {
4662                                            workspace.update(_cx, |workspace, cx| {
4663                                                workspace.focus_panel::<AgentPanel>(window, cx);
4664                                            });
4665                                        }
4666                                    })
4667                                    .log_err();
4668                            });
4669
4670                            this.dismiss_notifications(cx);
4671                        }
4672                        AgentNotificationEvent::Dismissed => {
4673                            this.dismiss_notifications(cx);
4674                        }
4675                    }
4676                }));
4677
4678            self.notifications.push(screen_window);
4679
4680            // If the user manually refocuses the original window, dismiss the popup.
4681            self.notification_subscriptions
4682                .entry(screen_window)
4683                .or_insert_with(Vec::new)
4684                .push({
4685                    let pop_up_weak = pop_up.downgrade();
4686
4687                    cx.observe_window_activation(window, move |_, window, cx| {
4688                        if window.is_window_active()
4689                            && let Some(pop_up) = pop_up_weak.upgrade()
4690                        {
4691                            pop_up.update(cx, |_, cx| {
4692                                cx.emit(AgentNotificationEvent::Dismissed);
4693                            });
4694                        }
4695                    })
4696                });
4697        }
4698    }
4699
4700    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4701        for window in self.notifications.drain(..) {
4702            window
4703                .update(cx, |_, window, _| {
4704                    window.remove_window();
4705                })
4706                .ok();
4707
4708            self.notification_subscriptions.remove(&window);
4709        }
4710    }
4711
4712    fn render_thread_controls(
4713        &self,
4714        thread: &Entity<AcpThread>,
4715        cx: &Context<Self>,
4716    ) -> impl IntoElement {
4717        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4718        if is_generating {
4719            return h_flex().id("thread-controls-container").child(
4720                div()
4721                    .py_2()
4722                    .px(rems_from_px(22.))
4723                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4724            );
4725        }
4726
4727        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4728            .shape(ui::IconButtonShape::Square)
4729            .icon_size(IconSize::Small)
4730            .icon_color(Color::Ignored)
4731            .tooltip(Tooltip::text("Open Thread as Markdown"))
4732            .on_click(cx.listener(move |this, _, window, cx| {
4733                if let Some(workspace) = this.workspace.upgrade() {
4734                    this.open_thread_as_markdown(workspace, window, cx)
4735                        .detach_and_log_err(cx);
4736                }
4737            }));
4738
4739        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4740            .shape(ui::IconButtonShape::Square)
4741            .icon_size(IconSize::Small)
4742            .icon_color(Color::Ignored)
4743            .tooltip(Tooltip::text("Scroll To Top"))
4744            .on_click(cx.listener(move |this, _, _, cx| {
4745                this.scroll_to_top(cx);
4746            }));
4747
4748        let mut container = h_flex()
4749            .id("thread-controls-container")
4750            .group("thread-controls-container")
4751            .w_full()
4752            .py_2()
4753            .px_5()
4754            .gap_px()
4755            .opacity(0.6)
4756            .hover(|style| style.opacity(1.))
4757            .flex_wrap()
4758            .justify_end();
4759
4760        if AgentSettings::get_global(cx).enable_feedback
4761            && self
4762                .thread()
4763                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4764        {
4765            let feedback = self.thread_feedback.feedback;
4766
4767            container = container
4768                .child(
4769                    div().visible_on_hover("thread-controls-container").child(
4770                        Label::new(match feedback {
4771                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4772                            Some(ThreadFeedback::Negative) => {
4773                                "We appreciate your feedback and will use it to improve."
4774                            }
4775                            None => {
4776                                "Rating the thread sends all of your current conversation to the Zed team."
4777                            }
4778                        })
4779                        .color(Color::Muted)
4780                        .size(LabelSize::XSmall)
4781                        .truncate(),
4782                    ),
4783                )
4784                .child(
4785                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4786                        .shape(ui::IconButtonShape::Square)
4787                        .icon_size(IconSize::Small)
4788                        .icon_color(match feedback {
4789                            Some(ThreadFeedback::Positive) => Color::Accent,
4790                            _ => Color::Ignored,
4791                        })
4792                        .tooltip(Tooltip::text("Helpful Response"))
4793                        .on_click(cx.listener(move |this, _, window, cx| {
4794                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4795                        })),
4796                )
4797                .child(
4798                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4799                        .shape(ui::IconButtonShape::Square)
4800                        .icon_size(IconSize::Small)
4801                        .icon_color(match feedback {
4802                            Some(ThreadFeedback::Negative) => Color::Accent,
4803                            _ => Color::Ignored,
4804                        })
4805                        .tooltip(Tooltip::text("Not Helpful"))
4806                        .on_click(cx.listener(move |this, _, window, cx| {
4807                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4808                        })),
4809                );
4810        }
4811
4812        container.child(open_as_markdown).child(scroll_to_top)
4813    }
4814
4815    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4816        h_flex()
4817            .key_context("AgentFeedbackMessageEditor")
4818            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4819                this.thread_feedback.dismiss_comments();
4820                cx.notify();
4821            }))
4822            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4823                this.submit_feedback_message(cx);
4824            }))
4825            .p_2()
4826            .mb_2()
4827            .mx_5()
4828            .gap_1()
4829            .rounded_md()
4830            .border_1()
4831            .border_color(cx.theme().colors().border)
4832            .bg(cx.theme().colors().editor_background)
4833            .child(div().w_full().child(editor))
4834            .child(
4835                h_flex()
4836                    .child(
4837                        IconButton::new("dismiss-feedback-message", IconName::Close)
4838                            .icon_color(Color::Error)
4839                            .icon_size(IconSize::XSmall)
4840                            .shape(ui::IconButtonShape::Square)
4841                            .on_click(cx.listener(move |this, _, _window, cx| {
4842                                this.thread_feedback.dismiss_comments();
4843                                cx.notify();
4844                            })),
4845                    )
4846                    .child(
4847                        IconButton::new("submit-feedback-message", IconName::Return)
4848                            .icon_size(IconSize::XSmall)
4849                            .shape(ui::IconButtonShape::Square)
4850                            .on_click(cx.listener(move |this, _, _window, cx| {
4851                                this.submit_feedback_message(cx);
4852                            })),
4853                    ),
4854            )
4855    }
4856
4857    fn handle_feedback_click(
4858        &mut self,
4859        feedback: ThreadFeedback,
4860        window: &mut Window,
4861        cx: &mut Context<Self>,
4862    ) {
4863        let Some(thread) = self.thread().cloned() else {
4864            return;
4865        };
4866
4867        self.thread_feedback.submit(thread, feedback, window, cx);
4868        cx.notify();
4869    }
4870
4871    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4872        let Some(thread) = self.thread().cloned() else {
4873            return;
4874        };
4875
4876        self.thread_feedback.submit_comments(thread, cx);
4877        cx.notify();
4878    }
4879
4880    fn render_token_limit_callout(
4881        &self,
4882        line_height: Pixels,
4883        cx: &mut Context<Self>,
4884    ) -> Option<Callout> {
4885        let token_usage = self.thread()?.read(cx).token_usage()?;
4886        let ratio = token_usage.ratio();
4887
4888        let (severity, title) = match ratio {
4889            acp_thread::TokenUsageRatio::Normal => return None,
4890            acp_thread::TokenUsageRatio::Warning => {
4891                (Severity::Warning, "Thread reaching the token limit soon")
4892            }
4893            acp_thread::TokenUsageRatio::Exceeded => {
4894                (Severity::Error, "Thread reached the token limit")
4895            }
4896        };
4897
4898        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4899            thread.read(cx).completion_mode() == CompletionMode::Normal
4900                && thread
4901                    .read(cx)
4902                    .model()
4903                    .is_some_and(|model| model.supports_burn_mode())
4904        });
4905
4906        let description = if burn_mode_available {
4907            "To continue, start a new thread from a summary or turn Burn Mode on."
4908        } else {
4909            "To continue, start a new thread from a summary."
4910        };
4911
4912        Some(
4913            Callout::new()
4914                .severity(severity)
4915                .line_height(line_height)
4916                .title(title)
4917                .description(description)
4918                .actions_slot(
4919                    h_flex()
4920                        .gap_0p5()
4921                        .child(
4922                            Button::new("start-new-thread", "Start New Thread")
4923                                .label_size(LabelSize::Small)
4924                                .on_click(cx.listener(|this, _, window, cx| {
4925                                    let Some(thread) = this.thread() else {
4926                                        return;
4927                                    };
4928                                    let session_id = thread.read(cx).session_id().clone();
4929                                    window.dispatch_action(
4930                                        crate::NewNativeAgentThreadFromSummary {
4931                                            from_session_id: session_id,
4932                                        }
4933                                        .boxed_clone(),
4934                                        cx,
4935                                    );
4936                                })),
4937                        )
4938                        .when(burn_mode_available, |this| {
4939                            this.child(
4940                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4941                                    .icon_size(IconSize::XSmall)
4942                                    .on_click(cx.listener(|this, _event, window, cx| {
4943                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4944                                    })),
4945                            )
4946                        }),
4947                ),
4948        )
4949    }
4950
4951    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4952        if !self.is_using_zed_ai_models(cx) {
4953            return None;
4954        }
4955
4956        let user_store = self.project.read(cx).user_store().read(cx);
4957        if user_store.is_usage_based_billing_enabled() {
4958            return None;
4959        }
4960
4961        let plan = user_store
4962            .plan()
4963            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
4964
4965        let usage = user_store.model_request_usage()?;
4966
4967        Some(
4968            div()
4969                .child(UsageCallout::new(plan, usage))
4970                .line_height(line_height),
4971        )
4972    }
4973
4974    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4975        self.entry_view_state.update(cx, |entry_view_state, cx| {
4976            entry_view_state.agent_ui_font_size_changed(cx);
4977        });
4978    }
4979
4980    pub(crate) fn insert_dragged_files(
4981        &self,
4982        paths: Vec<project::ProjectPath>,
4983        added_worktrees: Vec<Entity<project::Worktree>>,
4984        window: &mut Window,
4985        cx: &mut Context<Self>,
4986    ) {
4987        self.message_editor.update(cx, |message_editor, cx| {
4988            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4989        })
4990    }
4991
4992    /// Inserts the selected text into the message editor or the message being
4993    /// edited, if any.
4994    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4995        self.active_editor(cx).update(cx, |editor, cx| {
4996            editor.insert_selections(window, cx);
4997        });
4998    }
4999
5000    fn render_thread_retry_status_callout(
5001        &self,
5002        _window: &mut Window,
5003        _cx: &mut Context<Self>,
5004    ) -> Option<Callout> {
5005        let state = self.thread_retry_status.as_ref()?;
5006
5007        let next_attempt_in = state
5008            .duration
5009            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5010        if next_attempt_in.is_zero() {
5011            return None;
5012        }
5013
5014        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5015
5016        let retry_message = if state.max_attempts == 1 {
5017            if next_attempt_in_secs == 1 {
5018                "Retrying. Next attempt in 1 second.".to_string()
5019            } else {
5020                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5021            }
5022        } else if next_attempt_in_secs == 1 {
5023            format!(
5024                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5025                state.attempt, state.max_attempts,
5026            )
5027        } else {
5028            format!(
5029                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5030                state.attempt, state.max_attempts,
5031            )
5032        };
5033
5034        Some(
5035            Callout::new()
5036                .severity(Severity::Warning)
5037                .title(state.last_error.clone())
5038                .description(retry_message),
5039        )
5040    }
5041
5042    #[cfg(target_os = "windows")]
5043    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Option<Callout> {
5044        if self.show_codex_windows_warning {
5045            Some(
5046                Callout::new()
5047                    .icon(IconName::Warning)
5048                    .severity(Severity::Warning)
5049                    .title("Codex on Windows")
5050                    .description(
5051                        "For best performance, run Codex in Windows Subsystem for Linux (WSL2)",
5052                    )
5053                    .actions_slot(
5054                        Button::new("open-wsl-modal", "Open in WSL")
5055                            .icon_size(IconSize::Small)
5056                            .icon_color(Color::Muted)
5057                            .on_click(cx.listener({
5058                                move |_, _, window, cx| {
5059                                    window.dispatch_action(
5060                                        zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5061                                        cx,
5062                                    );
5063                                    cx.notify();
5064                                }
5065                            })),
5066                    )
5067                    .dismiss_action(
5068                        IconButton::new("dismiss", IconName::Close)
5069                            .icon_size(IconSize::Small)
5070                            .icon_color(Color::Muted)
5071                            .tooltip(Tooltip::text("Dismiss Warning"))
5072                            .on_click(cx.listener({
5073                                move |this, _, _, cx| {
5074                                    this.show_codex_windows_warning = false;
5075                                    cx.notify();
5076                                }
5077                            })),
5078                    ),
5079            )
5080        } else {
5081            None
5082        }
5083    }
5084
5085    fn render_thread_error(&self, cx: &mut Context<Self>) -> Option<Div> {
5086        let content = match self.thread_error.as_ref()? {
5087            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
5088            ThreadError::Refusal => self.render_refusal_error(cx),
5089            ThreadError::AuthenticationRequired(error) => {
5090                self.render_authentication_required_error(error.clone(), cx)
5091            }
5092            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5093            ThreadError::ModelRequestLimitReached(plan) => {
5094                self.render_model_request_limit_reached_error(*plan, cx)
5095            }
5096            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5097        };
5098
5099        Some(div().child(content))
5100    }
5101
5102    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5103        v_flex().w_full().justify_end().child(
5104            h_flex()
5105                .p_2()
5106                .pr_3()
5107                .w_full()
5108                .gap_1p5()
5109                .border_t_1()
5110                .border_color(cx.theme().colors().border)
5111                .bg(cx.theme().colors().element_background)
5112                .child(
5113                    h_flex()
5114                        .flex_1()
5115                        .gap_1p5()
5116                        .child(
5117                            Icon::new(IconName::Download)
5118                                .color(Color::Accent)
5119                                .size(IconSize::Small),
5120                        )
5121                        .child(Label::new("New version available").size(LabelSize::Small)),
5122                )
5123                .child(
5124                    Button::new("update-button", format!("Update to v{}", version))
5125                        .label_size(LabelSize::Small)
5126                        .style(ButtonStyle::Tinted(TintColor::Accent))
5127                        .on_click(cx.listener(|this, _, window, cx| {
5128                            this.reset(window, cx);
5129                        })),
5130                ),
5131        )
5132    }
5133
5134    fn get_current_model_name(&self, cx: &App) -> SharedString {
5135        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5136        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5137        // This provides better clarity about what refused the request
5138        if self
5139            .agent
5140            .clone()
5141            .downcast::<agent::NativeAgentServer>()
5142            .is_some()
5143        {
5144            // Native agent - use the model name
5145            self.model_selector
5146                .as_ref()
5147                .and_then(|selector| selector.read(cx).active_model_name(cx))
5148                .unwrap_or_else(|| SharedString::from("The model"))
5149        } else {
5150            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5151            self.agent.name()
5152        }
5153    }
5154
5155    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5156        let model_or_agent_name = self.get_current_model_name(cx);
5157        let refusal_message = format!(
5158            "{} 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.",
5159            model_or_agent_name
5160        );
5161
5162        Callout::new()
5163            .severity(Severity::Error)
5164            .title("Request Refused")
5165            .icon(IconName::XCircle)
5166            .description(refusal_message.clone())
5167            .actions_slot(self.create_copy_button(&refusal_message))
5168            .dismiss_action(self.dismiss_error_button(cx))
5169    }
5170
5171    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
5172        let can_resume = self
5173            .thread()
5174            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5175
5176        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5177            let thread = thread.read(cx);
5178            let supports_burn_mode = thread
5179                .model()
5180                .map_or(false, |model| model.supports_burn_mode());
5181            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5182        });
5183
5184        Callout::new()
5185            .severity(Severity::Error)
5186            .title("Error")
5187            .icon(IconName::XCircle)
5188            .description(error.clone())
5189            .actions_slot(
5190                h_flex()
5191                    .gap_0p5()
5192                    .when(can_resume && can_enable_burn_mode, |this| {
5193                        this.child(
5194                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5195                                .icon(IconName::ZedBurnMode)
5196                                .icon_position(IconPosition::Start)
5197                                .icon_size(IconSize::Small)
5198                                .label_size(LabelSize::Small)
5199                                .on_click(cx.listener(|this, _, window, cx| {
5200                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5201                                    this.resume_chat(cx);
5202                                })),
5203                        )
5204                    })
5205                    .when(can_resume, |this| {
5206                        this.child(
5207                            Button::new("retry", "Retry")
5208                                .icon(IconName::RotateCw)
5209                                .icon_position(IconPosition::Start)
5210                                .icon_size(IconSize::Small)
5211                                .label_size(LabelSize::Small)
5212                                .on_click(cx.listener(|this, _, _window, cx| {
5213                                    this.resume_chat(cx);
5214                                })),
5215                        )
5216                    })
5217                    .child(self.create_copy_button(error.to_string())),
5218            )
5219            .dismiss_action(self.dismiss_error_button(cx))
5220    }
5221
5222    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5223        const ERROR_MESSAGE: &str =
5224            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5225
5226        Callout::new()
5227            .severity(Severity::Error)
5228            .icon(IconName::XCircle)
5229            .title("Free Usage Exceeded")
5230            .description(ERROR_MESSAGE)
5231            .actions_slot(
5232                h_flex()
5233                    .gap_0p5()
5234                    .child(self.upgrade_button(cx))
5235                    .child(self.create_copy_button(ERROR_MESSAGE)),
5236            )
5237            .dismiss_action(self.dismiss_error_button(cx))
5238    }
5239
5240    fn render_authentication_required_error(
5241        &self,
5242        error: SharedString,
5243        cx: &mut Context<Self>,
5244    ) -> Callout {
5245        Callout::new()
5246            .severity(Severity::Error)
5247            .title("Authentication Required")
5248            .icon(IconName::XCircle)
5249            .description(error.clone())
5250            .actions_slot(
5251                h_flex()
5252                    .gap_0p5()
5253                    .child(self.authenticate_button(cx))
5254                    .child(self.create_copy_button(error)),
5255            )
5256            .dismiss_action(self.dismiss_error_button(cx))
5257    }
5258
5259    fn render_model_request_limit_reached_error(
5260        &self,
5261        plan: cloud_llm_client::Plan,
5262        cx: &mut Context<Self>,
5263    ) -> Callout {
5264        let error_message = match plan {
5265            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5266                "Upgrade to usage-based billing for more prompts."
5267            }
5268            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5269            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5270            cloud_llm_client::Plan::V2(_) => "",
5271        };
5272
5273        Callout::new()
5274            .severity(Severity::Error)
5275            .title("Model Prompt Limit Reached")
5276            .icon(IconName::XCircle)
5277            .description(error_message)
5278            .actions_slot(
5279                h_flex()
5280                    .gap_0p5()
5281                    .child(self.upgrade_button(cx))
5282                    .child(self.create_copy_button(error_message)),
5283            )
5284            .dismiss_action(self.dismiss_error_button(cx))
5285    }
5286
5287    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5288        let thread = self.as_native_thread(cx)?;
5289        let supports_burn_mode = thread
5290            .read(cx)
5291            .model()
5292            .is_some_and(|model| model.supports_burn_mode());
5293
5294        let focus_handle = self.focus_handle(cx);
5295
5296        Some(
5297            Callout::new()
5298                .icon(IconName::Info)
5299                .title("Consecutive tool use limit reached.")
5300                .actions_slot(
5301                    h_flex()
5302                        .gap_0p5()
5303                        .when(supports_burn_mode, |this| {
5304                            this.child(
5305                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5306                                    .style(ButtonStyle::Filled)
5307                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5308                                    .layer(ElevationIndex::ModalSurface)
5309                                    .label_size(LabelSize::Small)
5310                                    .key_binding(
5311                                        KeyBinding::for_action_in(
5312                                            &ContinueWithBurnMode,
5313                                            &focus_handle,
5314                                            cx,
5315                                        )
5316                                        .map(|kb| kb.size(rems_from_px(10.))),
5317                                    )
5318                                    .tooltip(Tooltip::text(
5319                                        "Enable Burn Mode for unlimited tool use.",
5320                                    ))
5321                                    .on_click({
5322                                        cx.listener(move |this, _, _window, cx| {
5323                                            thread.update(cx, |thread, cx| {
5324                                                thread
5325                                                    .set_completion_mode(CompletionMode::Burn, cx);
5326                                            });
5327                                            this.resume_chat(cx);
5328                                        })
5329                                    }),
5330                            )
5331                        })
5332                        .child(
5333                            Button::new("continue-conversation", "Continue")
5334                                .layer(ElevationIndex::ModalSurface)
5335                                .label_size(LabelSize::Small)
5336                                .key_binding(
5337                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5338                                        .map(|kb| kb.size(rems_from_px(10.))),
5339                                )
5340                                .on_click(cx.listener(|this, _, _window, cx| {
5341                                    this.resume_chat(cx);
5342                                })),
5343                        ),
5344                ),
5345        )
5346    }
5347
5348    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5349        let message = message.into();
5350
5351        IconButton::new("copy", IconName::Copy)
5352            .icon_size(IconSize::Small)
5353            .icon_color(Color::Muted)
5354            .tooltip(Tooltip::text("Copy Error Message"))
5355            .on_click(move |_, _, cx| {
5356                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5357            })
5358    }
5359
5360    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5361        IconButton::new("dismiss", IconName::Close)
5362            .icon_size(IconSize::Small)
5363            .icon_color(Color::Muted)
5364            .tooltip(Tooltip::text("Dismiss Error"))
5365            .on_click(cx.listener({
5366                move |this, _, _, cx| {
5367                    this.clear_thread_error(cx);
5368                    cx.notify();
5369                }
5370            }))
5371    }
5372
5373    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5374        Button::new("authenticate", "Authenticate")
5375            .label_size(LabelSize::Small)
5376            .style(ButtonStyle::Filled)
5377            .on_click(cx.listener({
5378                move |this, _, window, cx| {
5379                    let agent = this.agent.clone();
5380                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5381                        return;
5382                    };
5383
5384                    let connection = thread.read(cx).connection().clone();
5385                    let err = AuthRequired {
5386                        description: None,
5387                        provider_id: None,
5388                    };
5389                    this.clear_thread_error(cx);
5390                    let this = cx.weak_entity();
5391                    window.defer(cx, |window, cx| {
5392                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5393                    })
5394                }
5395            }))
5396    }
5397
5398    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5399        let agent = self.agent.clone();
5400        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5401            return;
5402        };
5403
5404        let connection = thread.read(cx).connection().clone();
5405        let err = AuthRequired {
5406            description: None,
5407            provider_id: None,
5408        };
5409        self.clear_thread_error(cx);
5410        let this = cx.weak_entity();
5411        window.defer(cx, |window, cx| {
5412            Self::handle_auth_required(this, err, agent, connection, window, cx);
5413        })
5414    }
5415
5416    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5417        Button::new("upgrade", "Upgrade")
5418            .label_size(LabelSize::Small)
5419            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5420            .on_click(cx.listener({
5421                move |this, _, _, cx| {
5422                    this.clear_thread_error(cx);
5423                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5424                }
5425            }))
5426    }
5427
5428    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5429        let task = match entry {
5430            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5431                history.delete_thread(thread.id.clone(), cx)
5432            }),
5433            HistoryEntry::TextThread(text_thread) => {
5434                self.history_store.update(cx, |history, cx| {
5435                    history.delete_text_thread(text_thread.path.clone(), cx)
5436                })
5437            }
5438        };
5439        task.detach_and_log_err(cx);
5440    }
5441
5442    /// Returns the currently active editor, either for a message that is being
5443    /// edited or the editor for a new message.
5444    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5445        if let Some(index) = self.editing_message
5446            && let Some(editor) = self
5447                .entry_view_state
5448                .read(cx)
5449                .entry(index)
5450                .and_then(|e| e.message_editor())
5451                .cloned()
5452        {
5453            editor
5454        } else {
5455            self.message_editor.clone()
5456        }
5457    }
5458}
5459
5460fn loading_contents_spinner(size: IconSize) -> AnyElement {
5461    Icon::new(IconName::LoadCircle)
5462        .size(size)
5463        .color(Color::Accent)
5464        .with_rotate_animation(3)
5465        .into_any_element()
5466}
5467
5468impl Focusable for AcpThreadView {
5469    fn focus_handle(&self, cx: &App) -> FocusHandle {
5470        match self.thread_state {
5471            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5472                self.active_editor(cx).focus_handle(cx)
5473            }
5474            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5475                self.focus_handle.clone()
5476            }
5477        }
5478    }
5479}
5480
5481impl Render for AcpThreadView {
5482    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5483        let has_messages = self.list_state.item_count() > 0;
5484        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5485
5486        v_flex()
5487            .size_full()
5488            .key_context("AcpThread")
5489            .on_action(cx.listener(Self::toggle_burn_mode))
5490            .on_action(cx.listener(Self::keep_all))
5491            .on_action(cx.listener(Self::reject_all))
5492            .on_action(cx.listener(Self::allow_always))
5493            .on_action(cx.listener(Self::allow_once))
5494            .on_action(cx.listener(Self::reject_once))
5495            .track_focus(&self.focus_handle)
5496            .bg(cx.theme().colors().panel_background)
5497            .child(match &self.thread_state {
5498                ThreadState::Unauthenticated {
5499                    connection,
5500                    description,
5501                    configuration_view,
5502                    pending_auth_method,
5503                    ..
5504                } => self
5505                    .render_auth_required_state(
5506                        connection,
5507                        description.as_ref(),
5508                        configuration_view.as_ref(),
5509                        pending_auth_method.as_ref(),
5510                        window,
5511                        cx,
5512                    )
5513                    .into_any(),
5514                ThreadState::Loading { .. } => v_flex()
5515                    .flex_1()
5516                    .child(self.render_recent_history(cx))
5517                    .into_any(),
5518                ThreadState::LoadError(e) => v_flex()
5519                    .flex_1()
5520                    .size_full()
5521                    .items_center()
5522                    .justify_end()
5523                    .child(self.render_load_error(e, window, cx))
5524                    .into_any(),
5525                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5526                    if has_messages {
5527                        this.child(
5528                            list(
5529                                self.list_state.clone(),
5530                                cx.processor(|this, index: usize, window, cx| {
5531                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5532                                        let entries = &thread.read(cx).entries();
5533                                        Some((entries.get(index)?, entries.len()))
5534                                    }) else {
5535                                        return Empty.into_any();
5536                                    };
5537                                    this.render_entry(index, len, entry, window, cx)
5538                                }),
5539                            )
5540                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5541                            .flex_grow()
5542                            .into_any(),
5543                        )
5544                        .vertical_scrollbar_for(self.list_state.clone(), window, cx)
5545                        .into_any()
5546                    } else {
5547                        this.child(self.render_recent_history(cx)).into_any()
5548                    }
5549                }),
5550            })
5551            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5552            // above so that the scrollbar doesn't render behind it. The current setup allows
5553            // the scrollbar to stop exactly at the activity bar start.
5554            .when(has_messages, |this| match &self.thread_state {
5555                ThreadState::Ready { thread, .. } => {
5556                    this.children(self.render_activity_bar(thread, window, cx))
5557                }
5558                _ => this,
5559            })
5560            .children(self.render_thread_retry_status_callout(window, cx))
5561            .children({
5562                #[cfg(target_os = "windows")]
5563                {
5564                    self.render_codex_windows_warning(cx)
5565                }
5566                #[cfg(not(target_os = "windows"))]
5567                {
5568                    Vec::<Empty>::new()
5569                }
5570            })
5571            .children(self.render_thread_error(cx))
5572            .when_some(
5573                self.new_server_version_available.as_ref().filter(|_| {
5574                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5575                }),
5576                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5577            )
5578            .children(
5579                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5580                    Some(usage_callout.into_any_element())
5581                } else {
5582                    self.render_token_limit_callout(line_height, cx)
5583                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5584                },
5585            )
5586            .child(self.render_message_editor(window, cx))
5587    }
5588}
5589
5590fn default_markdown_style(
5591    buffer_font: bool,
5592    muted_text: bool,
5593    window: &Window,
5594    cx: &App,
5595) -> MarkdownStyle {
5596    let theme_settings = ThemeSettings::get_global(cx);
5597    let colors = cx.theme().colors();
5598
5599    let buffer_font_size = TextSize::Small.rems(cx);
5600
5601    let mut text_style = window.text_style();
5602    let line_height = buffer_font_size * 1.75;
5603
5604    let font_family = if buffer_font {
5605        theme_settings.buffer_font.family.clone()
5606    } else {
5607        theme_settings.ui_font.family.clone()
5608    };
5609
5610    let font_size = if buffer_font {
5611        TextSize::Small.rems(cx)
5612    } else {
5613        TextSize::Default.rems(cx)
5614    };
5615
5616    let text_color = if muted_text {
5617        colors.text_muted
5618    } else {
5619        colors.text
5620    };
5621
5622    text_style.refine(&TextStyleRefinement {
5623        font_family: Some(font_family),
5624        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5625        font_features: Some(theme_settings.ui_font.features.clone()),
5626        font_size: Some(font_size.into()),
5627        line_height: Some(line_height.into()),
5628        color: Some(text_color),
5629        ..Default::default()
5630    });
5631
5632    MarkdownStyle {
5633        base_text_style: text_style.clone(),
5634        syntax: cx.theme().syntax().clone(),
5635        selection_background_color: colors.element_selection_background,
5636        code_block_overflow_x_scroll: true,
5637        table_overflow_x_scroll: true,
5638        heading_level_styles: Some(HeadingLevelStyles {
5639            h1: Some(TextStyleRefinement {
5640                font_size: Some(rems(1.15).into()),
5641                ..Default::default()
5642            }),
5643            h2: Some(TextStyleRefinement {
5644                font_size: Some(rems(1.1).into()),
5645                ..Default::default()
5646            }),
5647            h3: Some(TextStyleRefinement {
5648                font_size: Some(rems(1.05).into()),
5649                ..Default::default()
5650            }),
5651            h4: Some(TextStyleRefinement {
5652                font_size: Some(rems(1.).into()),
5653                ..Default::default()
5654            }),
5655            h5: Some(TextStyleRefinement {
5656                font_size: Some(rems(0.95).into()),
5657                ..Default::default()
5658            }),
5659            h6: Some(TextStyleRefinement {
5660                font_size: Some(rems(0.875).into()),
5661                ..Default::default()
5662            }),
5663        }),
5664        code_block: StyleRefinement {
5665            padding: EdgesRefinement {
5666                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5667                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5668                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5669                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5670            },
5671            margin: EdgesRefinement {
5672                top: Some(Length::Definite(px(8.).into())),
5673                left: Some(Length::Definite(px(0.).into())),
5674                right: Some(Length::Definite(px(0.).into())),
5675                bottom: Some(Length::Definite(px(12.).into())),
5676            },
5677            border_style: Some(BorderStyle::Solid),
5678            border_widths: EdgesRefinement {
5679                top: Some(AbsoluteLength::Pixels(px(1.))),
5680                left: Some(AbsoluteLength::Pixels(px(1.))),
5681                right: Some(AbsoluteLength::Pixels(px(1.))),
5682                bottom: Some(AbsoluteLength::Pixels(px(1.))),
5683            },
5684            border_color: Some(colors.border_variant),
5685            background: Some(colors.editor_background.into()),
5686            text: Some(TextStyleRefinement {
5687                font_family: Some(theme_settings.buffer_font.family.clone()),
5688                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5689                font_features: Some(theme_settings.buffer_font.features.clone()),
5690                font_size: Some(buffer_font_size.into()),
5691                ..Default::default()
5692            }),
5693            ..Default::default()
5694        },
5695        inline_code: TextStyleRefinement {
5696            font_family: Some(theme_settings.buffer_font.family.clone()),
5697            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5698            font_features: Some(theme_settings.buffer_font.features.clone()),
5699            font_size: Some(buffer_font_size.into()),
5700            background_color: Some(colors.editor_foreground.opacity(0.08)),
5701            ..Default::default()
5702        },
5703        link: TextStyleRefinement {
5704            background_color: Some(colors.editor_foreground.opacity(0.025)),
5705            underline: Some(UnderlineStyle {
5706                color: Some(colors.text_accent.opacity(0.5)),
5707                thickness: px(1.),
5708                ..Default::default()
5709            }),
5710            ..Default::default()
5711        },
5712        ..Default::default()
5713    }
5714}
5715
5716fn plan_label_markdown_style(
5717    status: &acp::PlanEntryStatus,
5718    window: &Window,
5719    cx: &App,
5720) -> MarkdownStyle {
5721    let default_md_style = default_markdown_style(false, false, window, cx);
5722
5723    MarkdownStyle {
5724        base_text_style: TextStyle {
5725            color: cx.theme().colors().text_muted,
5726            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5727                Some(gpui::StrikethroughStyle {
5728                    thickness: px(1.),
5729                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5730                })
5731            } else {
5732                None
5733            },
5734            ..default_md_style.base_text_style
5735        },
5736        ..default_md_style
5737    }
5738}
5739
5740fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5741    let default_md_style = default_markdown_style(true, false, window, cx);
5742
5743    MarkdownStyle {
5744        base_text_style: TextStyle {
5745            ..default_md_style.base_text_style
5746        },
5747        selection_background_color: cx.theme().colors().element_selection_background,
5748        ..Default::default()
5749    }
5750}
5751
5752#[cfg(test)]
5753pub(crate) mod tests {
5754    use acp_thread::StubAgentConnection;
5755    use agent_client_protocol::SessionId;
5756    use assistant_text_thread::TextThreadStore;
5757    use editor::EditorSettings;
5758    use fs::FakeFs;
5759    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5760    use project::Project;
5761    use serde_json::json;
5762    use settings::SettingsStore;
5763    use std::any::Any;
5764    use std::path::Path;
5765    use workspace::Item;
5766
5767    use super::*;
5768
5769    #[gpui::test]
5770    async fn test_drop(cx: &mut TestAppContext) {
5771        init_test(cx);
5772
5773        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5774        let weak_view = thread_view.downgrade();
5775        drop(thread_view);
5776        assert!(!weak_view.is_upgradable());
5777    }
5778
5779    #[gpui::test]
5780    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5781        init_test(cx);
5782
5783        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5784
5785        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5786        message_editor.update_in(cx, |editor, window, cx| {
5787            editor.set_text("Hello", window, cx);
5788        });
5789
5790        cx.deactivate_window();
5791
5792        thread_view.update_in(cx, |thread_view, window, cx| {
5793            thread_view.send(window, cx);
5794        });
5795
5796        cx.run_until_parked();
5797
5798        assert!(
5799            cx.windows()
5800                .iter()
5801                .any(|window| window.downcast::<AgentNotification>().is_some())
5802        );
5803    }
5804
5805    #[gpui::test]
5806    async fn test_notification_for_error(cx: &mut TestAppContext) {
5807        init_test(cx);
5808
5809        let (thread_view, cx) =
5810            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5811
5812        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5813        message_editor.update_in(cx, |editor, window, cx| {
5814            editor.set_text("Hello", window, cx);
5815        });
5816
5817        cx.deactivate_window();
5818
5819        thread_view.update_in(cx, |thread_view, window, cx| {
5820            thread_view.send(window, cx);
5821        });
5822
5823        cx.run_until_parked();
5824
5825        assert!(
5826            cx.windows()
5827                .iter()
5828                .any(|window| window.downcast::<AgentNotification>().is_some())
5829        );
5830    }
5831
5832    #[gpui::test]
5833    async fn test_refusal_handling(cx: &mut TestAppContext) {
5834        init_test(cx);
5835
5836        let (thread_view, cx) =
5837            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
5838
5839        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5840        message_editor.update_in(cx, |editor, window, cx| {
5841            editor.set_text("Do something harmful", window, cx);
5842        });
5843
5844        thread_view.update_in(cx, |thread_view, window, cx| {
5845            thread_view.send(window, cx);
5846        });
5847
5848        cx.run_until_parked();
5849
5850        // Check that the refusal error is set
5851        thread_view.read_with(cx, |thread_view, _cx| {
5852            assert!(
5853                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5854                "Expected refusal error to be set"
5855            );
5856        });
5857    }
5858
5859    #[gpui::test]
5860    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5861        init_test(cx);
5862
5863        let tool_call_id = acp::ToolCallId("1".into());
5864        let tool_call = acp::ToolCall {
5865            id: tool_call_id.clone(),
5866            title: "Label".into(),
5867            kind: acp::ToolKind::Edit,
5868            status: acp::ToolCallStatus::Pending,
5869            content: vec!["hi".into()],
5870            locations: vec![],
5871            raw_input: None,
5872            raw_output: None,
5873            meta: None,
5874        };
5875        let connection =
5876            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5877                tool_call_id,
5878                vec![acp::PermissionOption {
5879                    id: acp::PermissionOptionId("1".into()),
5880                    name: "Allow".into(),
5881                    kind: acp::PermissionOptionKind::AllowOnce,
5882                    meta: None,
5883                }],
5884            )]));
5885
5886        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5887
5888        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5889
5890        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5891        message_editor.update_in(cx, |editor, window, cx| {
5892            editor.set_text("Hello", window, cx);
5893        });
5894
5895        cx.deactivate_window();
5896
5897        thread_view.update_in(cx, |thread_view, window, cx| {
5898            thread_view.send(window, cx);
5899        });
5900
5901        cx.run_until_parked();
5902
5903        assert!(
5904            cx.windows()
5905                .iter()
5906                .any(|window| window.downcast::<AgentNotification>().is_some())
5907        );
5908    }
5909
5910    #[gpui::test]
5911    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
5912        init_test(cx);
5913
5914        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5915
5916        add_to_workspace(thread_view.clone(), cx);
5917
5918        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5919
5920        message_editor.update_in(cx, |editor, window, cx| {
5921            editor.set_text("Hello", window, cx);
5922        });
5923
5924        // Window is active (don't deactivate), but panel will be hidden
5925        // Note: In the test environment, the panel is not actually added to the dock,
5926        // so is_agent_panel_hidden will return true
5927
5928        thread_view.update_in(cx, |thread_view, window, cx| {
5929            thread_view.send(window, cx);
5930        });
5931
5932        cx.run_until_parked();
5933
5934        // Should show notification because window is active but panel is hidden
5935        assert!(
5936            cx.windows()
5937                .iter()
5938                .any(|window| window.downcast::<AgentNotification>().is_some()),
5939            "Expected notification when panel is hidden"
5940        );
5941    }
5942
5943    #[gpui::test]
5944    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
5945        init_test(cx);
5946
5947        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5948
5949        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5950        message_editor.update_in(cx, |editor, window, cx| {
5951            editor.set_text("Hello", window, cx);
5952        });
5953
5954        // Deactivate window - should show notification regardless of setting
5955        cx.deactivate_window();
5956
5957        thread_view.update_in(cx, |thread_view, window, cx| {
5958            thread_view.send(window, cx);
5959        });
5960
5961        cx.run_until_parked();
5962
5963        // Should still show notification when window is inactive (existing behavior)
5964        assert!(
5965            cx.windows()
5966                .iter()
5967                .any(|window| window.downcast::<AgentNotification>().is_some()),
5968            "Expected notification when window is inactive"
5969        );
5970    }
5971
5972    #[gpui::test]
5973    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
5974        init_test(cx);
5975
5976        // Set notify_when_agent_waiting to Never
5977        cx.update(|cx| {
5978            AgentSettings::override_global(
5979                AgentSettings {
5980                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5981                    ..AgentSettings::get_global(cx).clone()
5982                },
5983                cx,
5984            );
5985        });
5986
5987        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5988
5989        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5990        message_editor.update_in(cx, |editor, window, cx| {
5991            editor.set_text("Hello", window, cx);
5992        });
5993
5994        // Window is active
5995
5996        thread_view.update_in(cx, |thread_view, window, cx| {
5997            thread_view.send(window, cx);
5998        });
5999
6000        cx.run_until_parked();
6001
6002        // Should NOT show notification because notify_when_agent_waiting is Never
6003        assert!(
6004            !cx.windows()
6005                .iter()
6006                .any(|window| window.downcast::<AgentNotification>().is_some()),
6007            "Expected no notification when notify_when_agent_waiting is Never"
6008        );
6009    }
6010
6011    async fn setup_thread_view(
6012        agent: impl AgentServer + 'static,
6013        cx: &mut TestAppContext,
6014    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
6015        let fs = FakeFs::new(cx.executor());
6016        let project = Project::test(fs, [], cx).await;
6017        let (workspace, cx) =
6018            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6019
6020        let text_thread_store =
6021            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6022        let history_store =
6023            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6024
6025        let thread_view = cx.update(|window, cx| {
6026            cx.new(|cx| {
6027                AcpThreadView::new(
6028                    Rc::new(agent),
6029                    None,
6030                    None,
6031                    workspace.downgrade(),
6032                    project,
6033                    history_store,
6034                    None,
6035                    window,
6036                    cx,
6037                )
6038            })
6039        });
6040        cx.run_until_parked();
6041        (thread_view, cx)
6042    }
6043
6044    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6045        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6046
6047        workspace
6048            .update_in(cx, |workspace, window, cx| {
6049                workspace.add_item_to_active_pane(
6050                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6051                    None,
6052                    true,
6053                    window,
6054                    cx,
6055                );
6056            })
6057            .unwrap();
6058    }
6059
6060    struct ThreadViewItem(Entity<AcpThreadView>);
6061
6062    impl Item for ThreadViewItem {
6063        type Event = ();
6064
6065        fn include_in_nav_history() -> bool {
6066            false
6067        }
6068
6069        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6070            "Test".into()
6071        }
6072    }
6073
6074    impl EventEmitter<()> for ThreadViewItem {}
6075
6076    impl Focusable for ThreadViewItem {
6077        fn focus_handle(&self, cx: &App) -> FocusHandle {
6078            self.0.read(cx).focus_handle(cx)
6079        }
6080    }
6081
6082    impl Render for ThreadViewItem {
6083        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6084            self.0.clone().into_any_element()
6085        }
6086    }
6087
6088    struct StubAgentServer<C> {
6089        connection: C,
6090    }
6091
6092    impl<C> StubAgentServer<C> {
6093        fn new(connection: C) -> Self {
6094            Self { connection }
6095        }
6096    }
6097
6098    impl StubAgentServer<StubAgentConnection> {
6099        fn default_response() -> Self {
6100            let conn = StubAgentConnection::new();
6101            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6102                acp::ContentChunk {
6103                    content: "Default response".into(),
6104                    meta: None,
6105                },
6106            )]);
6107            Self::new(conn)
6108        }
6109    }
6110
6111    impl<C> AgentServer for StubAgentServer<C>
6112    where
6113        C: 'static + AgentConnection + Send + Clone,
6114    {
6115        fn telemetry_id(&self) -> &'static str {
6116            "test"
6117        }
6118
6119        fn logo(&self) -> ui::IconName {
6120            ui::IconName::Ai
6121        }
6122
6123        fn name(&self) -> SharedString {
6124            "Test".into()
6125        }
6126
6127        fn connect(
6128            &self,
6129            _root_dir: Option<&Path>,
6130            _delegate: AgentServerDelegate,
6131            _cx: &mut App,
6132        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6133            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6134        }
6135
6136        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6137            self
6138        }
6139    }
6140
6141    #[derive(Clone)]
6142    struct SaboteurAgentConnection;
6143
6144    impl AgentConnection for SaboteurAgentConnection {
6145        fn new_thread(
6146            self: Rc<Self>,
6147            project: Entity<Project>,
6148            _cwd: &Path,
6149            cx: &mut gpui::App,
6150        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6151            Task::ready(Ok(cx.new(|cx| {
6152                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6153                AcpThread::new(
6154                    "SaboteurAgentConnection",
6155                    self,
6156                    project,
6157                    action_log,
6158                    SessionId("test".into()),
6159                    watch::Receiver::constant(acp::PromptCapabilities {
6160                        image: true,
6161                        audio: true,
6162                        embedded_context: true,
6163                        meta: None,
6164                    }),
6165                    cx,
6166                )
6167            })))
6168        }
6169
6170        fn auth_methods(&self) -> &[acp::AuthMethod] {
6171            &[]
6172        }
6173
6174        fn authenticate(
6175            &self,
6176            _method_id: acp::AuthMethodId,
6177            _cx: &mut App,
6178        ) -> Task<gpui::Result<()>> {
6179            unimplemented!()
6180        }
6181
6182        fn prompt(
6183            &self,
6184            _id: Option<acp_thread::UserMessageId>,
6185            _params: acp::PromptRequest,
6186            _cx: &mut App,
6187        ) -> Task<gpui::Result<acp::PromptResponse>> {
6188            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6189        }
6190
6191        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6192            unimplemented!()
6193        }
6194
6195        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6196            self
6197        }
6198    }
6199
6200    /// Simulates a model which always returns a refusal response
6201    #[derive(Clone)]
6202    struct RefusalAgentConnection;
6203
6204    impl AgentConnection for RefusalAgentConnection {
6205        fn new_thread(
6206            self: Rc<Self>,
6207            project: Entity<Project>,
6208            _cwd: &Path,
6209            cx: &mut gpui::App,
6210        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6211            Task::ready(Ok(cx.new(|cx| {
6212                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6213                AcpThread::new(
6214                    "RefusalAgentConnection",
6215                    self,
6216                    project,
6217                    action_log,
6218                    SessionId("test".into()),
6219                    watch::Receiver::constant(acp::PromptCapabilities {
6220                        image: true,
6221                        audio: true,
6222                        embedded_context: true,
6223                        meta: None,
6224                    }),
6225                    cx,
6226                )
6227            })))
6228        }
6229
6230        fn auth_methods(&self) -> &[acp::AuthMethod] {
6231            &[]
6232        }
6233
6234        fn authenticate(
6235            &self,
6236            _method_id: acp::AuthMethodId,
6237            _cx: &mut App,
6238        ) -> Task<gpui::Result<()>> {
6239            unimplemented!()
6240        }
6241
6242        fn prompt(
6243            &self,
6244            _id: Option<acp_thread::UserMessageId>,
6245            _params: acp::PromptRequest,
6246            _cx: &mut App,
6247        ) -> Task<gpui::Result<acp::PromptResponse>> {
6248            Task::ready(Ok(acp::PromptResponse {
6249                stop_reason: acp::StopReason::Refusal,
6250                meta: None,
6251            }))
6252        }
6253
6254        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6255            unimplemented!()
6256        }
6257
6258        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6259            self
6260        }
6261    }
6262
6263    pub(crate) fn init_test(cx: &mut TestAppContext) {
6264        cx.update(|cx| {
6265            let settings_store = SettingsStore::test(cx);
6266            cx.set_global(settings_store);
6267            language::init(cx);
6268            Project::init_settings(cx);
6269            AgentSettings::register(cx);
6270            workspace::init_settings(cx);
6271            theme::init(theme::LoadThemes::JustBase, cx);
6272            release_channel::init(SemanticVersion::default(), cx);
6273            EditorSettings::register(cx);
6274            prompt_store::init(cx)
6275        });
6276    }
6277
6278    #[gpui::test]
6279    async fn test_rewind_views(cx: &mut TestAppContext) {
6280        init_test(cx);
6281
6282        let fs = FakeFs::new(cx.executor());
6283        fs.insert_tree(
6284            "/project",
6285            json!({
6286                "test1.txt": "old content 1",
6287                "test2.txt": "old content 2"
6288            }),
6289        )
6290        .await;
6291        let project = Project::test(fs, [Path::new("/project")], cx).await;
6292        let (workspace, cx) =
6293            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6294
6295        let text_thread_store =
6296            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6297        let history_store =
6298            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6299
6300        let connection = Rc::new(StubAgentConnection::new());
6301        let thread_view = cx.update(|window, cx| {
6302            cx.new(|cx| {
6303                AcpThreadView::new(
6304                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6305                    None,
6306                    None,
6307                    workspace.downgrade(),
6308                    project.clone(),
6309                    history_store.clone(),
6310                    None,
6311                    window,
6312                    cx,
6313                )
6314            })
6315        });
6316
6317        cx.run_until_parked();
6318
6319        let thread = thread_view
6320            .read_with(cx, |view, _| view.thread().cloned())
6321            .unwrap();
6322
6323        // First user message
6324        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6325            id: acp::ToolCallId("tool1".into()),
6326            title: "Edit file 1".into(),
6327            kind: acp::ToolKind::Edit,
6328            status: acp::ToolCallStatus::Completed,
6329            content: vec![acp::ToolCallContent::Diff {
6330                diff: acp::Diff {
6331                    path: "/project/test1.txt".into(),
6332                    old_text: Some("old content 1".into()),
6333                    new_text: "new content 1".into(),
6334                    meta: None,
6335                },
6336            }],
6337            locations: vec![],
6338            raw_input: None,
6339            raw_output: None,
6340            meta: None,
6341        })]);
6342
6343        thread
6344            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6345            .await
6346            .unwrap();
6347        cx.run_until_parked();
6348
6349        thread.read_with(cx, |thread, _| {
6350            assert_eq!(thread.entries().len(), 2);
6351        });
6352
6353        thread_view.read_with(cx, |view, cx| {
6354            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6355                assert!(
6356                    entry_view_state
6357                        .entry(0)
6358                        .unwrap()
6359                        .message_editor()
6360                        .is_some()
6361                );
6362                assert!(entry_view_state.entry(1).unwrap().has_content());
6363            });
6364        });
6365
6366        // Second user message
6367        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6368            id: acp::ToolCallId("tool2".into()),
6369            title: "Edit file 2".into(),
6370            kind: acp::ToolKind::Edit,
6371            status: acp::ToolCallStatus::Completed,
6372            content: vec![acp::ToolCallContent::Diff {
6373                diff: acp::Diff {
6374                    path: "/project/test2.txt".into(),
6375                    old_text: Some("old content 2".into()),
6376                    new_text: "new content 2".into(),
6377                    meta: None,
6378                },
6379            }],
6380            locations: vec![],
6381            raw_input: None,
6382            raw_output: None,
6383            meta: None,
6384        })]);
6385
6386        thread
6387            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6388            .await
6389            .unwrap();
6390        cx.run_until_parked();
6391
6392        let second_user_message_id = thread.read_with(cx, |thread, _| {
6393            assert_eq!(thread.entries().len(), 4);
6394            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6395                panic!();
6396            };
6397            user_message.id.clone().unwrap()
6398        });
6399
6400        thread_view.read_with(cx, |view, cx| {
6401            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6402                assert!(
6403                    entry_view_state
6404                        .entry(0)
6405                        .unwrap()
6406                        .message_editor()
6407                        .is_some()
6408                );
6409                assert!(entry_view_state.entry(1).unwrap().has_content());
6410                assert!(
6411                    entry_view_state
6412                        .entry(2)
6413                        .unwrap()
6414                        .message_editor()
6415                        .is_some()
6416                );
6417                assert!(entry_view_state.entry(3).unwrap().has_content());
6418            });
6419        });
6420
6421        // Rewind to first message
6422        thread
6423            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6424            .await
6425            .unwrap();
6426
6427        cx.run_until_parked();
6428
6429        thread.read_with(cx, |thread, _| {
6430            assert_eq!(thread.entries().len(), 2);
6431        });
6432
6433        thread_view.read_with(cx, |view, cx| {
6434            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6435                assert!(
6436                    entry_view_state
6437                        .entry(0)
6438                        .unwrap()
6439                        .message_editor()
6440                        .is_some()
6441                );
6442                assert!(entry_view_state.entry(1).unwrap().has_content());
6443
6444                // Old views should be dropped
6445                assert!(entry_view_state.entry(2).is_none());
6446                assert!(entry_view_state.entry(3).is_none());
6447            });
6448        });
6449    }
6450
6451    #[gpui::test]
6452    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6453        init_test(cx);
6454
6455        let connection = StubAgentConnection::new();
6456
6457        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6458            acp::ContentChunk {
6459                content: acp::ContentBlock::Text(acp::TextContent {
6460                    text: "Response".into(),
6461                    annotations: None,
6462                    meta: None,
6463                }),
6464                meta: None,
6465            },
6466        )]);
6467
6468        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6469        add_to_workspace(thread_view.clone(), cx);
6470
6471        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6472        message_editor.update_in(cx, |editor, window, cx| {
6473            editor.set_text("Original message to edit", window, cx);
6474        });
6475        thread_view.update_in(cx, |thread_view, window, cx| {
6476            thread_view.send(window, cx);
6477        });
6478
6479        cx.run_until_parked();
6480
6481        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6482            assert_eq!(view.editing_message, None);
6483
6484            view.entry_view_state
6485                .read(cx)
6486                .entry(0)
6487                .unwrap()
6488                .message_editor()
6489                .unwrap()
6490                .clone()
6491        });
6492
6493        // Focus
6494        cx.focus(&user_message_editor);
6495        thread_view.read_with(cx, |view, _cx| {
6496            assert_eq!(view.editing_message, Some(0));
6497        });
6498
6499        // Edit
6500        user_message_editor.update_in(cx, |editor, window, cx| {
6501            editor.set_text("Edited message content", window, cx);
6502        });
6503
6504        // Cancel
6505        user_message_editor.update_in(cx, |_editor, window, cx| {
6506            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6507        });
6508
6509        thread_view.read_with(cx, |view, _cx| {
6510            assert_eq!(view.editing_message, None);
6511        });
6512
6513        user_message_editor.read_with(cx, |editor, cx| {
6514            assert_eq!(editor.text(cx), "Original message to edit");
6515        });
6516    }
6517
6518    #[gpui::test]
6519    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6520        init_test(cx);
6521
6522        let connection = StubAgentConnection::new();
6523
6524        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6525        add_to_workspace(thread_view.clone(), cx);
6526
6527        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6528        let mut events = cx.events(&message_editor);
6529        message_editor.update_in(cx, |editor, window, cx| {
6530            editor.set_text("", window, cx);
6531        });
6532
6533        message_editor.update_in(cx, |_editor, window, cx| {
6534            window.dispatch_action(Box::new(Chat), cx);
6535        });
6536        cx.run_until_parked();
6537        // We shouldn't have received any messages
6538        assert!(matches!(
6539            events.try_next(),
6540            Err(futures::channel::mpsc::TryRecvError { .. })
6541        ));
6542    }
6543
6544    #[gpui::test]
6545    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6546        init_test(cx);
6547
6548        let connection = StubAgentConnection::new();
6549
6550        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6551            acp::ContentChunk {
6552                content: acp::ContentBlock::Text(acp::TextContent {
6553                    text: "Response".into(),
6554                    annotations: None,
6555                    meta: None,
6556                }),
6557                meta: None,
6558            },
6559        )]);
6560
6561        let (thread_view, cx) =
6562            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6563        add_to_workspace(thread_view.clone(), cx);
6564
6565        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6566        message_editor.update_in(cx, |editor, window, cx| {
6567            editor.set_text("Original message to edit", window, cx);
6568        });
6569        thread_view.update_in(cx, |thread_view, window, cx| {
6570            thread_view.send(window, cx);
6571        });
6572
6573        cx.run_until_parked();
6574
6575        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6576            assert_eq!(view.editing_message, None);
6577            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6578
6579            view.entry_view_state
6580                .read(cx)
6581                .entry(0)
6582                .unwrap()
6583                .message_editor()
6584                .unwrap()
6585                .clone()
6586        });
6587
6588        // Focus
6589        cx.focus(&user_message_editor);
6590
6591        // Edit
6592        user_message_editor.update_in(cx, |editor, window, cx| {
6593            editor.set_text("Edited message content", window, cx);
6594        });
6595
6596        // Send
6597        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6598            acp::ContentChunk {
6599                content: acp::ContentBlock::Text(acp::TextContent {
6600                    text: "New Response".into(),
6601                    annotations: None,
6602                    meta: None,
6603                }),
6604                meta: None,
6605            },
6606        )]);
6607
6608        user_message_editor.update_in(cx, |_editor, window, cx| {
6609            window.dispatch_action(Box::new(Chat), cx);
6610        });
6611
6612        cx.run_until_parked();
6613
6614        thread_view.read_with(cx, |view, cx| {
6615            assert_eq!(view.editing_message, None);
6616
6617            let entries = view.thread().unwrap().read(cx).entries();
6618            assert_eq!(entries.len(), 2);
6619            assert_eq!(
6620                entries[0].to_markdown(cx),
6621                "## User\n\nEdited message content\n\n"
6622            );
6623            assert_eq!(
6624                entries[1].to_markdown(cx),
6625                "## Assistant\n\nNew Response\n\n"
6626            );
6627
6628            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6629                assert!(!state.entry(1).unwrap().has_content());
6630                state.entry(0).unwrap().message_editor().unwrap().clone()
6631            });
6632
6633            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6634        })
6635    }
6636
6637    #[gpui::test]
6638    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6639        init_test(cx);
6640
6641        let connection = StubAgentConnection::new();
6642
6643        let (thread_view, cx) =
6644            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6645        add_to_workspace(thread_view.clone(), cx);
6646
6647        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6648        message_editor.update_in(cx, |editor, window, cx| {
6649            editor.set_text("Original message to edit", window, cx);
6650        });
6651        thread_view.update_in(cx, |thread_view, window, cx| {
6652            thread_view.send(window, cx);
6653        });
6654
6655        cx.run_until_parked();
6656
6657        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6658            let thread = view.thread().unwrap().read(cx);
6659            assert_eq!(thread.entries().len(), 1);
6660
6661            let editor = view
6662                .entry_view_state
6663                .read(cx)
6664                .entry(0)
6665                .unwrap()
6666                .message_editor()
6667                .unwrap()
6668                .clone();
6669
6670            (editor, thread.session_id().clone())
6671        });
6672
6673        // Focus
6674        cx.focus(&user_message_editor);
6675
6676        thread_view.read_with(cx, |view, _cx| {
6677            assert_eq!(view.editing_message, Some(0));
6678        });
6679
6680        // Edit
6681        user_message_editor.update_in(cx, |editor, window, cx| {
6682            editor.set_text("Edited message content", window, cx);
6683        });
6684
6685        thread_view.read_with(cx, |view, _cx| {
6686            assert_eq!(view.editing_message, Some(0));
6687        });
6688
6689        // Finish streaming response
6690        cx.update(|_, cx| {
6691            connection.send_update(
6692                session_id.clone(),
6693                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6694                    content: acp::ContentBlock::Text(acp::TextContent {
6695                        text: "Response".into(),
6696                        annotations: None,
6697                        meta: None,
6698                    }),
6699                    meta: None,
6700                }),
6701                cx,
6702            );
6703            connection.end_turn(session_id, acp::StopReason::EndTurn);
6704        });
6705
6706        thread_view.read_with(cx, |view, _cx| {
6707            assert_eq!(view.editing_message, Some(0));
6708        });
6709
6710        cx.run_until_parked();
6711
6712        // Should still be editing
6713        cx.update(|window, cx| {
6714            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6715            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6716            assert_eq!(
6717                user_message_editor.read(cx).text(cx),
6718                "Edited message content"
6719            );
6720        });
6721    }
6722
6723    #[gpui::test]
6724    async fn test_interrupt(cx: &mut TestAppContext) {
6725        init_test(cx);
6726
6727        let connection = StubAgentConnection::new();
6728
6729        let (thread_view, cx) =
6730            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6731        add_to_workspace(thread_view.clone(), cx);
6732
6733        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6734        message_editor.update_in(cx, |editor, window, cx| {
6735            editor.set_text("Message 1", window, cx);
6736        });
6737        thread_view.update_in(cx, |thread_view, window, cx| {
6738            thread_view.send(window, cx);
6739        });
6740
6741        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6742            let thread = view.thread().unwrap();
6743
6744            (thread.clone(), thread.read(cx).session_id().clone())
6745        });
6746
6747        cx.run_until_parked();
6748
6749        cx.update(|_, cx| {
6750            connection.send_update(
6751                session_id.clone(),
6752                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6753                    content: "Message 1 resp".into(),
6754                    meta: None,
6755                }),
6756                cx,
6757            );
6758        });
6759
6760        cx.run_until_parked();
6761
6762        thread.read_with(cx, |thread, cx| {
6763            assert_eq!(
6764                thread.to_markdown(cx),
6765                indoc::indoc! {"
6766                    ## User
6767
6768                    Message 1
6769
6770                    ## Assistant
6771
6772                    Message 1 resp
6773
6774                "}
6775            )
6776        });
6777
6778        message_editor.update_in(cx, |editor, window, cx| {
6779            editor.set_text("Message 2", window, cx);
6780        });
6781        thread_view.update_in(cx, |thread_view, window, cx| {
6782            thread_view.send(window, cx);
6783        });
6784
6785        cx.update(|_, cx| {
6786            // Simulate a response sent after beginning to cancel
6787            connection.send_update(
6788                session_id.clone(),
6789                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6790                    content: "onse".into(),
6791                    meta: None,
6792                }),
6793                cx,
6794            );
6795        });
6796
6797        cx.run_until_parked();
6798
6799        // Last Message 1 response should appear before Message 2
6800        thread.read_with(cx, |thread, cx| {
6801            assert_eq!(
6802                thread.to_markdown(cx),
6803                indoc::indoc! {"
6804                    ## User
6805
6806                    Message 1
6807
6808                    ## Assistant
6809
6810                    Message 1 response
6811
6812                    ## User
6813
6814                    Message 2
6815
6816                "}
6817            )
6818        });
6819
6820        cx.update(|_, cx| {
6821            connection.send_update(
6822                session_id.clone(),
6823                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6824                    content: "Message 2 response".into(),
6825                    meta: None,
6826                }),
6827                cx,
6828            );
6829            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6830        });
6831
6832        cx.run_until_parked();
6833
6834        thread.read_with(cx, |thread, cx| {
6835            assert_eq!(
6836                thread.to_markdown(cx),
6837                indoc::indoc! {"
6838                    ## User
6839
6840                    Message 1
6841
6842                    ## Assistant
6843
6844                    Message 1 response
6845
6846                    ## User
6847
6848                    Message 2
6849
6850                    ## Assistant
6851
6852                    Message 2 response
6853
6854                "}
6855            )
6856        });
6857    }
6858
6859    #[gpui::test]
6860    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
6861        init_test(cx);
6862
6863        let connection = StubAgentConnection::new();
6864        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6865            acp::ContentChunk {
6866                content: acp::ContentBlock::Text(acp::TextContent {
6867                    text: "Response".into(),
6868                    annotations: None,
6869                    meta: None,
6870                }),
6871                meta: None,
6872            },
6873        )]);
6874
6875        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6876        add_to_workspace(thread_view.clone(), cx);
6877
6878        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6879        message_editor.update_in(cx, |editor, window, cx| {
6880            editor.set_text("Original message to edit", window, cx)
6881        });
6882        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
6883        cx.run_until_parked();
6884
6885        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
6886            thread_view
6887                .entry_view_state
6888                .read(cx)
6889                .entry(0)
6890                .expect("Should have at least one entry")
6891                .message_editor()
6892                .expect("Should have message editor")
6893                .clone()
6894        });
6895
6896        cx.focus(&user_message_editor);
6897        thread_view.read_with(cx, |thread_view, _cx| {
6898            assert_eq!(thread_view.editing_message, Some(0));
6899        });
6900
6901        // Ensure to edit the focused message before proceeding otherwise, since
6902        // its content is not different from what was sent, focus will be lost.
6903        user_message_editor.update_in(cx, |editor, window, cx| {
6904            editor.set_text("Original message to edit with ", window, cx)
6905        });
6906
6907        // Create a simple buffer with some text so we can create a selection
6908        // that will then be added to the message being edited.
6909        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
6910            (thread_view.workspace.clone(), thread_view.project.clone())
6911        });
6912        let buffer = project.update(cx, |project, cx| {
6913            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
6914        });
6915
6916        workspace
6917            .update_in(cx, |workspace, window, cx| {
6918                let editor = cx.new(|cx| {
6919                    let mut editor =
6920                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
6921
6922                    editor.change_selections(Default::default(), window, cx, |selections| {
6923                        selections.select_ranges([8..15]);
6924                    });
6925
6926                    editor
6927                });
6928                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
6929            })
6930            .unwrap();
6931
6932        thread_view.update_in(cx, |thread_view, window, cx| {
6933            assert_eq!(thread_view.editing_message, Some(0));
6934            thread_view.insert_selections(window, cx);
6935        });
6936
6937        user_message_editor.read_with(cx, |editor, cx| {
6938            let text = editor.editor().read(cx).text(cx);
6939            let expected_text = String::from("Original message to edit with selection ");
6940
6941            assert_eq!(text, expected_text);
6942        });
6943    }
6944
6945    #[gpui::test]
6946    async fn test_insert_selections(cx: &mut TestAppContext) {
6947        init_test(cx);
6948
6949        let connection = StubAgentConnection::new();
6950        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6951            acp::ContentChunk {
6952                content: acp::ContentBlock::Text(acp::TextContent {
6953                    text: "Response".into(),
6954                    annotations: None,
6955                    meta: None,
6956                }),
6957                meta: None,
6958            },
6959        )]);
6960
6961        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6962        add_to_workspace(thread_view.clone(), cx);
6963
6964        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6965        message_editor.update_in(cx, |editor, window, cx| {
6966            editor.set_text("Can you review this snippet ", window, cx)
6967        });
6968
6969        // Create a simple buffer with some text so we can create a selection
6970        // that will then be added to the message being edited.
6971        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
6972            (thread_view.workspace.clone(), thread_view.project.clone())
6973        });
6974        let buffer = project.update(cx, |project, cx| {
6975            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
6976        });
6977
6978        workspace
6979            .update_in(cx, |workspace, window, cx| {
6980                let editor = cx.new(|cx| {
6981                    let mut editor =
6982                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
6983
6984                    editor.change_selections(Default::default(), window, cx, |selections| {
6985                        selections.select_ranges([8..15]);
6986                    });
6987
6988                    editor
6989                });
6990                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
6991            })
6992            .unwrap();
6993
6994        thread_view.update_in(cx, |thread_view, window, cx| {
6995            assert_eq!(thread_view.editing_message, None);
6996            thread_view.insert_selections(window, cx);
6997        });
6998
6999        thread_view.read_with(cx, |thread_view, cx| {
7000            let text = thread_view.message_editor.read(cx).text(cx);
7001            let expected_txt = String::from("Can you review this snippet selection ");
7002
7003            assert_eq!(text, expected_txt);
7004        })
7005    }
7006}