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.stop_propagation();
 885        cx.notify();
 886    }
 887
 888    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 889        self.editor_expanded = is_expanded;
 890        self.message_editor.update(cx, |editor, cx| {
 891            if is_expanded {
 892                editor.set_mode(
 893                    EditorMode::Full {
 894                        scale_ui_elements_with_buffer_font_size: false,
 895                        show_active_line_background: false,
 896                        sized_by_content: false,
 897                    },
 898                    cx,
 899                )
 900            } else {
 901                let agent_settings = AgentSettings::get_global(cx);
 902                editor.set_mode(
 903                    EditorMode::AutoHeight {
 904                        min_lines: agent_settings.message_editor_min_lines,
 905                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 906                    },
 907                    cx,
 908                )
 909            }
 910        });
 911        cx.notify();
 912    }
 913
 914    pub fn handle_title_editor_event(
 915        &mut self,
 916        title_editor: &Entity<Editor>,
 917        event: &EditorEvent,
 918        window: &mut Window,
 919        cx: &mut Context<Self>,
 920    ) {
 921        let Some(thread) = self.thread() else { return };
 922
 923        match event {
 924            EditorEvent::BufferEdited => {
 925                let new_title = title_editor.read(cx).text(cx);
 926                thread.update(cx, |thread, cx| {
 927                    thread
 928                        .set_title(new_title.into(), cx)
 929                        .detach_and_log_err(cx);
 930                })
 931            }
 932            EditorEvent::Blurred => {
 933                if title_editor.read(cx).text(cx).is_empty() {
 934                    title_editor.update(cx, |editor, cx| {
 935                        editor.set_text("New Thread", window, cx);
 936                    });
 937                }
 938            }
 939            _ => {}
 940        }
 941    }
 942
 943    pub fn handle_message_editor_event(
 944        &mut self,
 945        _: &Entity<MessageEditor>,
 946        event: &MessageEditorEvent,
 947        window: &mut Window,
 948        cx: &mut Context<Self>,
 949    ) {
 950        match event {
 951            MessageEditorEvent::Send => self.send(window, cx),
 952            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 953            MessageEditorEvent::Focus => {
 954                self.cancel_editing(&Default::default(), window, cx);
 955            }
 956            MessageEditorEvent::LostFocus => {}
 957        }
 958    }
 959
 960    pub fn handle_entry_view_event(
 961        &mut self,
 962        _: &Entity<EntryViewState>,
 963        event: &EntryViewEvent,
 964        window: &mut Window,
 965        cx: &mut Context<Self>,
 966    ) {
 967        match &event.view_event {
 968            ViewEvent::NewDiff(tool_call_id) => {
 969                if AgentSettings::get_global(cx).expand_edit_card {
 970                    self.expanded_tool_calls.insert(tool_call_id.clone());
 971                }
 972            }
 973            ViewEvent::NewTerminal(tool_call_id) => {
 974                if AgentSettings::get_global(cx).expand_terminal_card {
 975                    self.expanded_tool_calls.insert(tool_call_id.clone());
 976                }
 977            }
 978            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 979                self.expanded_tool_calls.remove(tool_call_id);
 980            }
 981            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 982                if let Some(thread) = self.thread()
 983                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 984                        thread.read(cx).entries().get(event.entry_index)
 985                    && user_message.id.is_some()
 986                {
 987                    self.editing_message = Some(event.entry_index);
 988                    cx.notify();
 989                }
 990            }
 991            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 992                if let Some(thread) = self.thread()
 993                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 994                        thread.read(cx).entries().get(event.entry_index)
 995                    && user_message.id.is_some()
 996                {
 997                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 998                        self.editing_message = None;
 999                        cx.notify();
1000                    }
1001                }
1002            }
1003            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
1004                self.regenerate(event.entry_index, editor.clone(), window, cx);
1005            }
1006            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
1007                self.cancel_editing(&Default::default(), window, cx);
1008            }
1009        }
1010    }
1011
1012    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1013        self.thread_error.take();
1014        let Some(thread) = self.thread() else {
1015            return;
1016        };
1017        if !thread.read(cx).can_resume(cx) {
1018            return;
1019        }
1020
1021        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1022        cx.spawn(async move |this, cx| {
1023            let result = task.await;
1024
1025            this.update(cx, |this, cx| {
1026                if let Err(err) = result {
1027                    this.handle_thread_error(err, cx);
1028                }
1029            })
1030        })
1031        .detach();
1032    }
1033
1034    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1035        let Some(thread) = self.thread() else { return };
1036
1037        if self.is_loading_contents {
1038            return;
1039        }
1040
1041        self.history_store.update(cx, |history, cx| {
1042            history.push_recently_opened_entry(
1043                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1044                cx,
1045            );
1046        });
1047
1048        if thread.read(cx).status() != ThreadStatus::Idle {
1049            self.stop_current_and_send_new_message(window, cx);
1050            return;
1051        }
1052
1053        let text = self.message_editor.read(cx).text(cx);
1054        let text = text.trim();
1055        if text == "/login" || text == "/logout" {
1056            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1057                return;
1058            };
1059
1060            let connection = thread.read(cx).connection().clone();
1061            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1062            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1063            let logout_supported = text == "/logout"
1064                && self
1065                    .available_commands
1066                    .borrow()
1067                    .iter()
1068                    .any(|command| command.name == "logout");
1069            if can_login && !logout_supported {
1070                self.message_editor
1071                    .update(cx, |editor, cx| editor.clear(window, cx));
1072
1073                let this = cx.weak_entity();
1074                let agent = self.agent.clone();
1075                window.defer(cx, |window, cx| {
1076                    Self::handle_auth_required(
1077                        this,
1078                        AuthRequired {
1079                            description: None,
1080                            provider_id: None,
1081                        },
1082                        agent,
1083                        connection,
1084                        window,
1085                        cx,
1086                    );
1087                });
1088                cx.notify();
1089                return;
1090            }
1091        }
1092
1093        self.send_impl(self.message_editor.clone(), window, cx)
1094    }
1095
1096    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1097        let Some(thread) = self.thread().cloned() else {
1098            return;
1099        };
1100
1101        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1102
1103        cx.spawn_in(window, async move |this, cx| {
1104            cancelled.await;
1105
1106            this.update_in(cx, |this, window, cx| {
1107                this.send_impl(this.message_editor.clone(), window, cx);
1108            })
1109            .ok();
1110        })
1111        .detach();
1112    }
1113
1114    fn send_impl(
1115        &mut self,
1116        message_editor: Entity<MessageEditor>,
1117        window: &mut Window,
1118        cx: &mut Context<Self>,
1119    ) {
1120        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1121            // Include full contents when using minimal profile
1122            let thread = thread.read(cx);
1123            AgentSettings::get_global(cx)
1124                .profiles
1125                .get(thread.profile())
1126                .is_some_and(|profile| profile.tools.is_empty())
1127        });
1128
1129        let contents = message_editor.update(cx, |message_editor, cx| {
1130            message_editor.contents(full_mention_content, cx)
1131        });
1132
1133        let agent_telemetry_id = self.agent.telemetry_id();
1134
1135        self.thread_error.take();
1136        self.editing_message.take();
1137        self.thread_feedback.clear();
1138
1139        let Some(thread) = self.thread() else {
1140            return;
1141        };
1142        let thread = thread.downgrade();
1143        if self.should_be_following {
1144            self.workspace
1145                .update(cx, |workspace, cx| {
1146                    workspace.follow(CollaboratorId::Agent, window, cx);
1147                })
1148                .ok();
1149        }
1150
1151        self.is_loading_contents = true;
1152        let guard = cx.new(|_| ());
1153        cx.observe_release(&guard, |this, _guard, cx| {
1154            this.is_loading_contents = false;
1155            cx.notify();
1156        })
1157        .detach();
1158
1159        let task = cx.spawn_in(window, async move |this, cx| {
1160            let (contents, tracked_buffers) = contents.await?;
1161
1162            if contents.is_empty() {
1163                return Ok(());
1164            }
1165
1166            this.update_in(cx, |this, window, cx| {
1167                this.set_editor_is_expanded(false, cx);
1168                this.scroll_to_bottom(cx);
1169                this.message_editor.update(cx, |message_editor, cx| {
1170                    message_editor.clear(window, cx);
1171                });
1172            })?;
1173            let send = thread.update(cx, |thread, cx| {
1174                thread.action_log().update(cx, |action_log, cx| {
1175                    for buffer in tracked_buffers {
1176                        action_log.buffer_read(buffer, cx)
1177                    }
1178                });
1179                drop(guard);
1180
1181                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1182
1183                thread.send(contents, cx)
1184            })?;
1185            send.await
1186        });
1187
1188        cx.spawn(async move |this, cx| {
1189            if let Err(err) = task.await {
1190                this.update(cx, |this, cx| {
1191                    this.handle_thread_error(err, cx);
1192                })
1193                .ok();
1194            } else {
1195                this.update(cx, |this, cx| {
1196                    this.should_be_following = this
1197                        .workspace
1198                        .update(cx, |workspace, _| {
1199                            workspace.is_being_followed(CollaboratorId::Agent)
1200                        })
1201                        .unwrap_or_default();
1202                })
1203                .ok();
1204            }
1205        })
1206        .detach();
1207    }
1208
1209    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1210        let Some(thread) = self.thread().cloned() else {
1211            return;
1212        };
1213
1214        if let Some(index) = self.editing_message.take()
1215            && let Some(editor) = self
1216                .entry_view_state
1217                .read(cx)
1218                .entry(index)
1219                .and_then(|e| e.message_editor())
1220                .cloned()
1221        {
1222            editor.update(cx, |editor, cx| {
1223                if let Some(user_message) = thread
1224                    .read(cx)
1225                    .entries()
1226                    .get(index)
1227                    .and_then(|e| e.user_message())
1228                {
1229                    editor.set_message(user_message.chunks.clone(), window, cx);
1230                }
1231            })
1232        };
1233        self.focus_handle(cx).focus(window);
1234        cx.notify();
1235    }
1236
1237    fn regenerate(
1238        &mut self,
1239        entry_ix: usize,
1240        message_editor: Entity<MessageEditor>,
1241        window: &mut Window,
1242        cx: &mut Context<Self>,
1243    ) {
1244        let Some(thread) = self.thread().cloned() else {
1245            return;
1246        };
1247        if self.is_loading_contents {
1248            return;
1249        }
1250
1251        let Some(user_message_id) = thread.update(cx, |thread, _| {
1252            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1253        }) else {
1254            return;
1255        };
1256
1257        cx.spawn_in(window, async move |this, cx| {
1258            thread
1259                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1260                .await?;
1261            this.update_in(cx, |this, window, cx| {
1262                this.send_impl(message_editor, window, cx);
1263                this.focus_handle(cx).focus(window);
1264            })?;
1265            anyhow::Ok(())
1266        })
1267        .detach();
1268    }
1269
1270    fn open_edited_buffer(
1271        &mut self,
1272        buffer: &Entity<Buffer>,
1273        window: &mut Window,
1274        cx: &mut Context<Self>,
1275    ) {
1276        let Some(thread) = self.thread() else {
1277            return;
1278        };
1279
1280        let Some(diff) =
1281            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1282        else {
1283            return;
1284        };
1285
1286        diff.update(cx, |diff, cx| {
1287            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1288        })
1289    }
1290
1291    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1292        let Some(thread) = self.as_native_thread(cx) else {
1293            return;
1294        };
1295        let project_context = thread.read(cx).project_context().read(cx);
1296
1297        let project_entry_ids = project_context
1298            .worktrees
1299            .iter()
1300            .flat_map(|worktree| worktree.rules_file.as_ref())
1301            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1302            .collect::<Vec<_>>();
1303
1304        self.workspace
1305            .update(cx, move |workspace, cx| {
1306                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1307                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1308                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1309                let project = workspace.project().read(cx);
1310                let project_paths = project_entry_ids
1311                    .into_iter()
1312                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1313                    .collect::<Vec<_>>();
1314                for project_path in project_paths {
1315                    workspace
1316                        .open_path(project_path, None, true, window, cx)
1317                        .detach_and_log_err(cx);
1318                }
1319            })
1320            .ok();
1321    }
1322
1323    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1324        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1325        cx.notify();
1326    }
1327
1328    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1329        self.thread_error = None;
1330        cx.notify();
1331    }
1332
1333    fn handle_thread_event(
1334        &mut self,
1335        thread: &Entity<AcpThread>,
1336        event: &AcpThreadEvent,
1337        window: &mut Window,
1338        cx: &mut Context<Self>,
1339    ) {
1340        match event {
1341            AcpThreadEvent::NewEntry => {
1342                let len = thread.read(cx).entries().len();
1343                let index = len - 1;
1344                self.entry_view_state.update(cx, |view_state, cx| {
1345                    view_state.sync_entry(index, thread, window, cx);
1346                    self.list_state.splice_focusable(
1347                        index..index,
1348                        [view_state
1349                            .entry(index)
1350                            .and_then(|entry| entry.focus_handle(cx))],
1351                    );
1352                });
1353            }
1354            AcpThreadEvent::EntryUpdated(index) => {
1355                self.entry_view_state.update(cx, |view_state, cx| {
1356                    view_state.sync_entry(*index, thread, window, cx)
1357                });
1358            }
1359            AcpThreadEvent::EntriesRemoved(range) => {
1360                self.entry_view_state
1361                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1362                self.list_state.splice(range.clone(), 0);
1363            }
1364            AcpThreadEvent::ToolAuthorizationRequired => {
1365                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1366            }
1367            AcpThreadEvent::Retry(retry) => {
1368                self.thread_retry_status = Some(retry.clone());
1369            }
1370            AcpThreadEvent::Stopped => {
1371                self.thread_retry_status.take();
1372                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1373                self.notify_with_sound(
1374                    if used_tools {
1375                        "Finished running tools"
1376                    } else {
1377                        "New message"
1378                    },
1379                    IconName::ZedAssistant,
1380                    window,
1381                    cx,
1382                );
1383            }
1384            AcpThreadEvent::Refusal => {
1385                self.thread_retry_status.take();
1386                self.thread_error = Some(ThreadError::Refusal);
1387                let model_or_agent_name = self.get_current_model_name(cx);
1388                let notification_message =
1389                    format!("{} refused to respond to this request", model_or_agent_name);
1390                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1391            }
1392            AcpThreadEvent::Error => {
1393                self.thread_retry_status.take();
1394                self.notify_with_sound(
1395                    "Agent stopped due to an error",
1396                    IconName::Warning,
1397                    window,
1398                    cx,
1399                );
1400            }
1401            AcpThreadEvent::LoadError(error) => {
1402                self.thread_retry_status.take();
1403                self.thread_state = ThreadState::LoadError(error.clone());
1404                if self.message_editor.focus_handle(cx).is_focused(window) {
1405                    self.focus_handle.focus(window)
1406                }
1407            }
1408            AcpThreadEvent::TitleUpdated => {
1409                let title = thread.read(cx).title();
1410                if let Some(title_editor) = self.title_editor() {
1411                    title_editor.update(cx, |editor, cx| {
1412                        if editor.text(cx) != title {
1413                            editor.set_text(title, window, cx);
1414                        }
1415                    });
1416                }
1417            }
1418            AcpThreadEvent::PromptCapabilitiesUpdated => {
1419                self.prompt_capabilities
1420                    .replace(thread.read(cx).prompt_capabilities());
1421            }
1422            AcpThreadEvent::TokenUsageUpdated => {}
1423            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1424                let mut available_commands = available_commands.clone();
1425
1426                if thread
1427                    .read(cx)
1428                    .connection()
1429                    .auth_methods()
1430                    .iter()
1431                    .any(|method| method.id.0.as_ref() == "claude-login")
1432                {
1433                    available_commands.push(acp::AvailableCommand {
1434                        name: "login".to_owned(),
1435                        description: "Authenticate".to_owned(),
1436                        input: None,
1437                        meta: None,
1438                    });
1439                    available_commands.push(acp::AvailableCommand {
1440                        name: "logout".to_owned(),
1441                        description: "Authenticate".to_owned(),
1442                        input: None,
1443                        meta: None,
1444                    });
1445                }
1446
1447                self.available_commands.replace(available_commands);
1448            }
1449            AcpThreadEvent::ModeUpdated(_mode) => {
1450                // The connection keeps track of the mode
1451                cx.notify();
1452            }
1453        }
1454        cx.notify();
1455    }
1456
1457    fn authenticate(
1458        &mut self,
1459        method: acp::AuthMethodId,
1460        window: &mut Window,
1461        cx: &mut Context<Self>,
1462    ) {
1463        let ThreadState::Unauthenticated {
1464            connection,
1465            pending_auth_method,
1466            configuration_view,
1467            ..
1468        } = &mut self.thread_state
1469        else {
1470            return;
1471        };
1472
1473        if method.0.as_ref() == "gemini-api-key" {
1474            let registry = LanguageModelRegistry::global(cx);
1475            let provider = registry
1476                .read(cx)
1477                .provider(&language_model::GOOGLE_PROVIDER_ID)
1478                .unwrap();
1479            if !provider.is_authenticated(cx) {
1480                let this = cx.weak_entity();
1481                let agent = self.agent.clone();
1482                let connection = connection.clone();
1483                window.defer(cx, |window, cx| {
1484                    Self::handle_auth_required(
1485                        this,
1486                        AuthRequired {
1487                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1488                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1489                        },
1490                        agent,
1491                        connection,
1492                        window,
1493                        cx,
1494                    );
1495                });
1496                return;
1497            }
1498        } else if method.0.as_ref() == "anthropic-api-key" {
1499            let registry = LanguageModelRegistry::global(cx);
1500            let provider = registry
1501                .read(cx)
1502                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1503                .unwrap();
1504            let this = cx.weak_entity();
1505            let agent = self.agent.clone();
1506            let connection = connection.clone();
1507            window.defer(cx, move |window, cx| {
1508                if !provider.is_authenticated(cx) {
1509                    Self::handle_auth_required(
1510                        this,
1511                        AuthRequired {
1512                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1513                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1514                        },
1515                        agent,
1516                        connection,
1517                        window,
1518                        cx,
1519                    );
1520                } else {
1521                    this.update(cx, |this, cx| {
1522                        this.thread_state = Self::initial_state(
1523                            agent,
1524                            None,
1525                            this.workspace.clone(),
1526                            this.project.clone(),
1527                            window,
1528                            cx,
1529                        )
1530                    })
1531                    .ok();
1532                }
1533            });
1534            return;
1535        } else if method.0.as_ref() == "vertex-ai"
1536            && std::env::var("GOOGLE_API_KEY").is_err()
1537            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1538                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1539        {
1540            let this = cx.weak_entity();
1541            let agent = self.agent.clone();
1542            let connection = connection.clone();
1543
1544            window.defer(cx, |window, cx| {
1545                    Self::handle_auth_required(
1546                        this,
1547                        AuthRequired {
1548                            description: Some(
1549                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1550                                    .to_owned(),
1551                            ),
1552                            provider_id: None,
1553                        },
1554                        agent,
1555                        connection,
1556                        window,
1557                        cx,
1558                    )
1559                });
1560            return;
1561        }
1562
1563        self.thread_error.take();
1564        configuration_view.take();
1565        pending_auth_method.replace(method.clone());
1566        let authenticate = if (method.0.as_ref() == "claude-login"
1567            || method.0.as_ref() == "spawn-gemini-cli")
1568            && let Some(login) = self.login.clone()
1569        {
1570            if let Some(workspace) = self.workspace.upgrade() {
1571                Self::spawn_external_agent_login(login, workspace, false, window, cx)
1572            } else {
1573                Task::ready(Ok(()))
1574            }
1575        } else {
1576            connection.authenticate(method, cx)
1577        };
1578        cx.notify();
1579        self.auth_task =
1580            Some(cx.spawn_in(window, {
1581                let agent = self.agent.clone();
1582                async move |this, cx| {
1583                    let result = authenticate.await;
1584
1585                    match &result {
1586                        Ok(_) => telemetry::event!(
1587                            "Authenticate Agent Succeeded",
1588                            agent = agent.telemetry_id()
1589                        ),
1590                        Err(_) => {
1591                            telemetry::event!(
1592                                "Authenticate Agent Failed",
1593                                agent = agent.telemetry_id(),
1594                            )
1595                        }
1596                    }
1597
1598                    this.update_in(cx, |this, window, cx| {
1599                        if let Err(err) = result {
1600                            if let ThreadState::Unauthenticated {
1601                                pending_auth_method,
1602                                ..
1603                            } = &mut this.thread_state
1604                            {
1605                                pending_auth_method.take();
1606                            }
1607                            this.handle_thread_error(err, cx);
1608                        } else {
1609                            this.reset(window, cx);
1610                        }
1611                        this.auth_task.take()
1612                    })
1613                    .ok();
1614                }
1615            }));
1616    }
1617
1618    fn spawn_external_agent_login(
1619        login: task::SpawnInTerminal,
1620        workspace: Entity<Workspace>,
1621        previous_attempt: bool,
1622        window: &mut Window,
1623        cx: &mut App,
1624    ) -> Task<Result<()>> {
1625        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1626            return Task::ready(Ok(()));
1627        };
1628        let project = workspace.read(cx).project().clone();
1629
1630        window.spawn(cx, async move |cx| {
1631            let mut task = login.clone();
1632            task.shell = task::Shell::WithArguments {
1633                program: task.command.take().expect("login command should be set"),
1634                args: std::mem::take(&mut task.args),
1635                title_override: None
1636            };
1637            task.full_label = task.label.clone();
1638            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1639            task.command_label = task.label.clone();
1640            task.use_new_terminal = true;
1641            task.allow_concurrent_runs = true;
1642            task.hide = task::HideStrategy::Always;
1643
1644            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1645                terminal_panel.spawn_task(&task, window, cx)
1646            })?;
1647
1648            let terminal = terminal.await?;
1649            let mut exit_status = terminal
1650                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1651                .fuse();
1652
1653            let logged_in = cx
1654                .spawn({
1655                    let terminal = terminal.clone();
1656                    async move |cx| {
1657                        loop {
1658                            cx.background_executor().timer(Duration::from_secs(1)).await;
1659                            let content =
1660                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1661                            if content.contains("Login successful")
1662                                || content.contains("Type your message")
1663                            {
1664                                return anyhow::Ok(());
1665                            }
1666                        }
1667                    }
1668                })
1669                .fuse();
1670            futures::pin_mut!(logged_in);
1671            futures::select_biased! {
1672                result = logged_in => {
1673                    if let Err(e) = result {
1674                        log::error!("{e}");
1675                        return Err(anyhow!("exited before logging in"));
1676                    }
1677                }
1678                _ = exit_status => {
1679                    if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1680                        return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, true, window, cx))?.await
1681                    }
1682                    return Err(anyhow!("exited before logging in"));
1683                }
1684            }
1685            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1686            Ok(())
1687        })
1688    }
1689
1690    fn authorize_tool_call(
1691        &mut self,
1692        tool_call_id: acp::ToolCallId,
1693        option_id: acp::PermissionOptionId,
1694        option_kind: acp::PermissionOptionKind,
1695        window: &mut Window,
1696        cx: &mut Context<Self>,
1697    ) {
1698        let Some(thread) = self.thread() else {
1699            return;
1700        };
1701        thread.update(cx, |thread, cx| {
1702            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1703        });
1704        if self.should_be_following {
1705            self.workspace
1706                .update(cx, |workspace, cx| {
1707                    workspace.follow(CollaboratorId::Agent, window, cx);
1708                })
1709                .ok();
1710        }
1711        cx.notify();
1712    }
1713
1714    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1715        let Some(thread) = self.thread() else {
1716            return;
1717        };
1718
1719        thread
1720            .update(cx, |thread, cx| {
1721                thread.restore_checkpoint(message_id.clone(), cx)
1722            })
1723            .detach_and_log_err(cx);
1724    }
1725
1726    fn render_entry(
1727        &self,
1728        entry_ix: usize,
1729        total_entries: usize,
1730        entry: &AgentThreadEntry,
1731        window: &mut Window,
1732        cx: &Context<Self>,
1733    ) -> AnyElement {
1734        let primary = match &entry {
1735            AgentThreadEntry::UserMessage(message) => {
1736                let Some(editor) = self
1737                    .entry_view_state
1738                    .read(cx)
1739                    .entry(entry_ix)
1740                    .and_then(|entry| entry.message_editor())
1741                    .cloned()
1742                else {
1743                    return Empty.into_any_element();
1744                };
1745
1746                let editing = self.editing_message == Some(entry_ix);
1747                let editor_focus = editor.focus_handle(cx).is_focused(window);
1748                let focus_border = cx.theme().colors().border_focused;
1749
1750                let rules_item = if entry_ix == 0 {
1751                    self.render_rules_item(cx)
1752                } else {
1753                    None
1754                };
1755
1756                let has_checkpoint_button = message
1757                    .checkpoint
1758                    .as_ref()
1759                    .is_some_and(|checkpoint| checkpoint.show);
1760
1761                let agent_name = self.agent.name();
1762
1763                v_flex()
1764                    .id(("user_message", entry_ix))
1765                    .map(|this| {
1766                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1767                            this.pt(rems_from_px(18.))
1768                        } else if rules_item.is_some() {
1769                            this.pt_3()
1770                        } else {
1771                            this.pt_2()
1772                        }
1773                    })
1774                    .pb_3()
1775                    .px_2()
1776                    .gap_1p5()
1777                    .w_full()
1778                    .children(rules_item)
1779                    .children(message.id.clone().and_then(|message_id| {
1780                        message.checkpoint.as_ref()?.show.then(|| {
1781                            h_flex()
1782                                .px_3()
1783                                .gap_2()
1784                                .child(Divider::horizontal())
1785                                .child(
1786                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1787                                        .icon(IconName::Undo)
1788                                        .icon_size(IconSize::XSmall)
1789                                        .icon_position(IconPosition::Start)
1790                                        .label_size(LabelSize::XSmall)
1791                                        .icon_color(Color::Muted)
1792                                        .color(Color::Muted)
1793                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1794                                        .on_click(cx.listener(move |this, _, _window, cx| {
1795                                            this.restore_checkpoint(&message_id, cx);
1796                                        }))
1797                                )
1798                                .child(Divider::horizontal())
1799                        })
1800                    }))
1801                    .child(
1802                        div()
1803                            .relative()
1804                            .child(
1805                                div()
1806                                    .py_3()
1807                                    .px_2()
1808                                    .rounded_md()
1809                                    .shadow_md()
1810                                    .bg(cx.theme().colors().editor_background)
1811                                    .border_1()
1812                                    .when(editing && !editor_focus, |this| this.border_dashed())
1813                                    .border_color(cx.theme().colors().border)
1814                                    .map(|this|{
1815                                        if editing && editor_focus {
1816                                            this.border_color(focus_border)
1817                                        } else if message.id.is_some() {
1818                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1819                                        } else {
1820                                            this
1821                                        }
1822                                    })
1823                                    .text_xs()
1824                                    .child(editor.clone().into_any_element()),
1825                            )
1826                            .when(editor_focus, |this| {
1827                                let base_container = h_flex()
1828                                    .absolute()
1829                                    .top_neg_3p5()
1830                                    .right_3()
1831                                    .gap_1()
1832                                    .rounded_sm()
1833                                    .border_1()
1834                                    .border_color(cx.theme().colors().border)
1835                                    .bg(cx.theme().colors().editor_background)
1836                                    .overflow_hidden();
1837
1838                                if message.id.is_some() {
1839                                    this.child(
1840                                        base_container
1841                                            .child(
1842                                                IconButton::new("cancel", IconName::Close)
1843                                                    .disabled(self.is_loading_contents)
1844                                                    .icon_color(Color::Error)
1845                                                    .icon_size(IconSize::XSmall)
1846                                                    .on_click(cx.listener(Self::cancel_editing))
1847                                            )
1848                                            .child(
1849                                                if self.is_loading_contents {
1850                                                    div()
1851                                                        .id("loading-edited-message-content")
1852                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1853                                                        .child(loading_contents_spinner(IconSize::XSmall))
1854                                                        .into_any_element()
1855                                                } else {
1856                                                    IconButton::new("regenerate", IconName::Return)
1857                                                        .icon_color(Color::Muted)
1858                                                        .icon_size(IconSize::XSmall)
1859                                                        .tooltip(Tooltip::text(
1860                                                            "Editing will restart the thread from this point."
1861                                                        ))
1862                                                        .on_click(cx.listener({
1863                                                            let editor = editor.clone();
1864                                                            move |this, _, window, cx| {
1865                                                                this.regenerate(
1866                                                                    entry_ix, editor.clone(), window, cx,
1867                                                                );
1868                                                            }
1869                                                        })).into_any_element()
1870                                                }
1871                                            )
1872                                    )
1873                                } else {
1874                                    this.child(
1875                                        base_container
1876                                            .border_dashed()
1877                                            .child(
1878                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1879                                                    .icon_size(IconSize::Small)
1880                                                    .icon_color(Color::Muted)
1881                                                    .style(ButtonStyle::Transparent)
1882                                                    .tooltip(move |_window, cx| {
1883                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1884                                                            .into()
1885                                                    })
1886                                            )
1887                                    )
1888                                }
1889                            }),
1890                    )
1891                    .into_any()
1892            }
1893            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1894                let is_last = entry_ix + 1 == total_entries;
1895
1896                let style = default_markdown_style(false, false, window, cx);
1897                let message_body = v_flex()
1898                    .w_full()
1899                    .gap_3()
1900                    .children(chunks.iter().enumerate().filter_map(
1901                        |(chunk_ix, chunk)| match chunk {
1902                            AssistantMessageChunk::Message { block } => {
1903                                block.markdown().map(|md| {
1904                                    self.render_markdown(md.clone(), style.clone())
1905                                        .into_any_element()
1906                                })
1907                            }
1908                            AssistantMessageChunk::Thought { block } => {
1909                                block.markdown().map(|md| {
1910                                    self.render_thinking_block(
1911                                        entry_ix,
1912                                        chunk_ix,
1913                                        md.clone(),
1914                                        window,
1915                                        cx,
1916                                    )
1917                                    .into_any_element()
1918                                })
1919                            }
1920                        },
1921                    ))
1922                    .into_any();
1923
1924                v_flex()
1925                    .px_5()
1926                    .py_1p5()
1927                    .when(is_last, |this| this.pb_4())
1928                    .w_full()
1929                    .text_ui(cx)
1930                    .child(message_body)
1931                    .into_any()
1932            }
1933            AgentThreadEntry::ToolCall(tool_call) => {
1934                let has_terminals = tool_call.terminals().next().is_some();
1935
1936                div().w_full().map(|this| {
1937                    if has_terminals {
1938                        this.children(tool_call.terminals().map(|terminal| {
1939                            self.render_terminal_tool_call(
1940                                entry_ix, terminal, tool_call, window, cx,
1941                            )
1942                        }))
1943                    } else {
1944                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1945                    }
1946                })
1947            }
1948            .into_any(),
1949        };
1950
1951        let Some(thread) = self.thread() else {
1952            return primary;
1953        };
1954
1955        let primary = if entry_ix == total_entries - 1 {
1956            v_flex()
1957                .w_full()
1958                .child(primary)
1959                .child(self.render_thread_controls(&thread, cx))
1960                .when_some(
1961                    self.thread_feedback.comments_editor.clone(),
1962                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1963                )
1964                .into_any_element()
1965        } else {
1966            primary
1967        };
1968
1969        if let Some(editing_index) = self.editing_message.as_ref()
1970            && *editing_index < entry_ix
1971        {
1972            let backdrop = div()
1973                .id(("backdrop", entry_ix))
1974                .size_full()
1975                .absolute()
1976                .inset_0()
1977                .bg(cx.theme().colors().panel_background)
1978                .opacity(0.8)
1979                .block_mouse_except_scroll()
1980                .on_click(cx.listener(Self::cancel_editing));
1981
1982            div()
1983                .relative()
1984                .child(primary)
1985                .child(backdrop)
1986                .into_any_element()
1987        } else {
1988            primary
1989        }
1990    }
1991
1992    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1993        cx.theme()
1994            .colors()
1995            .element_background
1996            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1997    }
1998
1999    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2000        cx.theme().colors().border.opacity(0.8)
2001    }
2002
2003    fn tool_name_font_size(&self) -> Rems {
2004        rems_from_px(13.)
2005    }
2006
2007    fn render_thinking_block(
2008        &self,
2009        entry_ix: usize,
2010        chunk_ix: usize,
2011        chunk: Entity<Markdown>,
2012        window: &Window,
2013        cx: &Context<Self>,
2014    ) -> AnyElement {
2015        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2016        let card_header_id = SharedString::from("inner-card-header");
2017
2018        let key = (entry_ix, chunk_ix);
2019
2020        let is_open = self.expanded_thinking_blocks.contains(&key);
2021
2022        let scroll_handle = self
2023            .entry_view_state
2024            .read(cx)
2025            .entry(entry_ix)
2026            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2027
2028        let thinking_content = {
2029            div()
2030                .id(("thinking-content", chunk_ix))
2031                .when_some(scroll_handle, |this, scroll_handle| {
2032                    this.track_scroll(&scroll_handle)
2033                })
2034                .text_ui_sm(cx)
2035                .overflow_hidden()
2036                .child(
2037                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2038                )
2039        };
2040
2041        v_flex()
2042            .gap_1()
2043            .child(
2044                h_flex()
2045                    .id(header_id)
2046                    .group(&card_header_id)
2047                    .relative()
2048                    .w_full()
2049                    .pr_1()
2050                    .justify_between()
2051                    .child(
2052                        h_flex()
2053                            .h(window.line_height() - px(2.))
2054                            .gap_1p5()
2055                            .overflow_hidden()
2056                            .child(
2057                                Icon::new(IconName::ToolThink)
2058                                    .size(IconSize::Small)
2059                                    .color(Color::Muted),
2060                            )
2061                            .child(
2062                                div()
2063                                    .text_size(self.tool_name_font_size())
2064                                    .text_color(cx.theme().colors().text_muted)
2065                                    .child("Thinking"),
2066                            ),
2067                    )
2068                    .child(
2069                        Disclosure::new(("expand", entry_ix), is_open)
2070                            .opened_icon(IconName::ChevronUp)
2071                            .closed_icon(IconName::ChevronDown)
2072                            .visible_on_hover(&card_header_id)
2073                            .on_click(cx.listener({
2074                                move |this, _event, _window, cx| {
2075                                    if is_open {
2076                                        this.expanded_thinking_blocks.remove(&key);
2077                                    } else {
2078                                        this.expanded_thinking_blocks.insert(key);
2079                                    }
2080                                    cx.notify();
2081                                }
2082                            })),
2083                    )
2084                    .on_click(cx.listener({
2085                        move |this, _event, _window, cx| {
2086                            if is_open {
2087                                this.expanded_thinking_blocks.remove(&key);
2088                            } else {
2089                                this.expanded_thinking_blocks.insert(key);
2090                            }
2091                            cx.notify();
2092                        }
2093                    })),
2094            )
2095            .when(is_open, |this| {
2096                this.child(
2097                    div()
2098                        .ml_1p5()
2099                        .pl_3p5()
2100                        .border_l_1()
2101                        .border_color(self.tool_card_border_color(cx))
2102                        .child(thinking_content),
2103                )
2104            })
2105            .into_any_element()
2106    }
2107
2108    fn render_tool_call(
2109        &self,
2110        entry_ix: usize,
2111        tool_call: &ToolCall,
2112        window: &Window,
2113        cx: &Context<Self>,
2114    ) -> Div {
2115        let has_location = tool_call.locations.len() == 1;
2116        let card_header_id = SharedString::from("inner-tool-call-header");
2117
2118        let failed_or_canceled = match &tool_call.status {
2119            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2120            _ => false,
2121        };
2122
2123        let needs_confirmation = matches!(
2124            tool_call.status,
2125            ToolCallStatus::WaitingForConfirmation { .. }
2126        );
2127        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2128        let is_edit =
2129            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2130
2131        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2132
2133        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2134
2135        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2136
2137        let tool_output_display =
2138            if is_open {
2139                match &tool_call.status {
2140                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2141                        .w_full()
2142                        .children(tool_call.content.iter().enumerate().map(
2143                            |(content_ix, content)| {
2144                                div()
2145                                    .child(self.render_tool_call_content(
2146                                        entry_ix,
2147                                        content,
2148                                        content_ix,
2149                                        tool_call,
2150                                        use_card_layout,
2151                                        window,
2152                                        cx,
2153                                    ))
2154                                    .into_any_element()
2155                            },
2156                        ))
2157                        .child(self.render_permission_buttons(
2158                            tool_call.kind,
2159                            options,
2160                            entry_ix,
2161                            tool_call.id.clone(),
2162                            cx,
2163                        ))
2164                        .into_any(),
2165                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2166                        if is_edit
2167                            && tool_call.content.is_empty()
2168                            && self.as_native_connection(cx).is_some() =>
2169                    {
2170                        self.render_diff_loading(cx).into_any()
2171                    }
2172                    ToolCallStatus::Pending
2173                    | ToolCallStatus::InProgress
2174                    | ToolCallStatus::Completed
2175                    | ToolCallStatus::Failed
2176                    | ToolCallStatus::Canceled => v_flex()
2177                        .w_full()
2178                        .children(tool_call.content.iter().enumerate().map(
2179                            |(content_ix, content)| {
2180                                div().child(self.render_tool_call_content(
2181                                    entry_ix,
2182                                    content,
2183                                    content_ix,
2184                                    tool_call,
2185                                    use_card_layout,
2186                                    window,
2187                                    cx,
2188                                ))
2189                            },
2190                        ))
2191                        .into_any(),
2192                    ToolCallStatus::Rejected => Empty.into_any(),
2193                }
2194                .into()
2195            } else {
2196                None
2197            };
2198
2199        v_flex()
2200            .map(|this| {
2201                if use_card_layout {
2202                    this.my_1p5()
2203                        .rounded_md()
2204                        .border_1()
2205                        .border_color(self.tool_card_border_color(cx))
2206                        .bg(cx.theme().colors().editor_background)
2207                        .overflow_hidden()
2208                } else {
2209                    this.my_1()
2210                }
2211            })
2212            .map(|this| {
2213                if has_location && !use_card_layout {
2214                    this.ml_4()
2215                } else {
2216                    this.ml_5()
2217                }
2218            })
2219            .mr_5()
2220            .map(|this| {
2221                if is_terminal_tool {
2222                    this.child(
2223                        v_flex()
2224                            .p_1p5()
2225                            .gap_0p5()
2226                            .text_ui_sm(cx)
2227                            .bg(self.tool_card_header_bg(cx))
2228                            .child(
2229                                Label::new("Run Command")
2230                                    .buffer_font(cx)
2231                                    .size(LabelSize::XSmall)
2232                                    .color(Color::Muted),
2233                            )
2234                            .child(
2235                                MarkdownElement::new(
2236                                    tool_call.label.clone(),
2237                                    terminal_command_markdown_style(window, cx),
2238                                )
2239                                .code_block_renderer(
2240                                    markdown::CodeBlockRenderer::Default {
2241                                        copy_button: false,
2242                                        copy_button_on_hover: false,
2243                                        border: false,
2244                                    },
2245                                )
2246                            ),
2247                    )
2248                } else {
2249                   this.child(
2250                        h_flex()
2251                            .group(&card_header_id)
2252                            .relative()
2253                            .w_full()
2254                            .gap_1()
2255                            .justify_between()
2256                            .when(use_card_layout, |this| {
2257                                this.p_0p5()
2258                                    .rounded_t(rems_from_px(5.))
2259                                    .bg(self.tool_card_header_bg(cx))
2260                            })
2261                            .child(self.render_tool_call_label(
2262                                entry_ix,
2263                                tool_call,
2264                                is_edit,
2265                                use_card_layout,
2266                                window,
2267                                cx,
2268                            ))
2269                            .when(is_collapsible || failed_or_canceled, |this| {
2270                                this.child(
2271                                    h_flex()
2272                                        .px_1()
2273                                        .gap_px()
2274                                        .when(is_collapsible, |this| {
2275                                            this.child(
2276                                            Disclosure::new(("expand", entry_ix), is_open)
2277                                                .opened_icon(IconName::ChevronUp)
2278                                                .closed_icon(IconName::ChevronDown)
2279                                                .visible_on_hover(&card_header_id)
2280                                                .on_click(cx.listener({
2281                                                    let id = tool_call.id.clone();
2282                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2283                                                        if is_open {
2284                                                            this.expanded_tool_calls.remove(&id);
2285                                                        } else {
2286                                                            this.expanded_tool_calls.insert(id.clone());
2287                                                        }
2288                                                        cx.notify();
2289                                                    }
2290                                                })),
2291                                        )
2292                                        })
2293                                        .when(failed_or_canceled, |this| {
2294                                            this.child(
2295                                                Icon::new(IconName::Close)
2296                                                    .color(Color::Error)
2297                                                    .size(IconSize::Small),
2298                                            )
2299                                        }),
2300                                )
2301                            }),
2302                    )
2303                }
2304            })
2305            .children(tool_output_display)
2306    }
2307
2308    fn render_tool_call_label(
2309        &self,
2310        entry_ix: usize,
2311        tool_call: &ToolCall,
2312        is_edit: bool,
2313        use_card_layout: bool,
2314        window: &Window,
2315        cx: &Context<Self>,
2316    ) -> Div {
2317        let has_location = tool_call.locations.len() == 1;
2318
2319        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2320            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2321                .map(Icon::from_path)
2322                .unwrap_or(Icon::new(IconName::ToolPencil))
2323        } else {
2324            Icon::new(match tool_call.kind {
2325                acp::ToolKind::Read => IconName::ToolSearch,
2326                acp::ToolKind::Edit => IconName::ToolPencil,
2327                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2328                acp::ToolKind::Move => IconName::ArrowRightLeft,
2329                acp::ToolKind::Search => IconName::ToolSearch,
2330                acp::ToolKind::Execute => IconName::ToolTerminal,
2331                acp::ToolKind::Think => IconName::ToolThink,
2332                acp::ToolKind::Fetch => IconName::ToolWeb,
2333                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2334                acp::ToolKind::Other => IconName::ToolHammer,
2335            })
2336        }
2337        .size(IconSize::Small)
2338        .color(Color::Muted);
2339
2340        let gradient_overlay = {
2341            div()
2342                .absolute()
2343                .top_0()
2344                .right_0()
2345                .w_12()
2346                .h_full()
2347                .map(|this| {
2348                    if use_card_layout {
2349                        this.bg(linear_gradient(
2350                            90.,
2351                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2352                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2353                        ))
2354                    } else {
2355                        this.bg(linear_gradient(
2356                            90.,
2357                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2358                            linear_color_stop(
2359                                cx.theme().colors().panel_background.opacity(0.2),
2360                                0.,
2361                            ),
2362                        ))
2363                    }
2364                })
2365        };
2366
2367        h_flex()
2368            .relative()
2369            .w_full()
2370            .h(window.line_height() - px(2.))
2371            .text_size(self.tool_name_font_size())
2372            .gap_1p5()
2373            .when(has_location || use_card_layout, |this| this.px_1())
2374            .when(has_location, |this| {
2375                this.cursor(CursorStyle::PointingHand)
2376                    .rounded(rems_from_px(3.)) // Concentric border radius
2377                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2378            })
2379            .overflow_hidden()
2380            .child(tool_icon)
2381            .child(if has_location {
2382                h_flex()
2383                    .id(("open-tool-call-location", entry_ix))
2384                    .w_full()
2385                    .map(|this| {
2386                        if use_card_layout {
2387                            this.text_color(cx.theme().colors().text)
2388                        } else {
2389                            this.text_color(cx.theme().colors().text_muted)
2390                        }
2391                    })
2392                    .child(self.render_markdown(
2393                        tool_call.label.clone(),
2394                        MarkdownStyle {
2395                            prevent_mouse_interaction: true,
2396                            ..default_markdown_style(false, true, window, cx)
2397                        },
2398                    ))
2399                    .tooltip(Tooltip::text("Jump to File"))
2400                    .on_click(cx.listener(move |this, _, window, cx| {
2401                        this.open_tool_call_location(entry_ix, 0, window, cx);
2402                    }))
2403                    .into_any_element()
2404            } else {
2405                h_flex()
2406                    .w_full()
2407                    .child(self.render_markdown(
2408                        tool_call.label.clone(),
2409                        default_markdown_style(false, true, window, cx),
2410                    ))
2411                    .into_any()
2412            })
2413            .when(!is_edit, |this| this.child(gradient_overlay))
2414    }
2415
2416    fn render_tool_call_content(
2417        &self,
2418        entry_ix: usize,
2419        content: &ToolCallContent,
2420        context_ix: usize,
2421        tool_call: &ToolCall,
2422        card_layout: bool,
2423        window: &Window,
2424        cx: &Context<Self>,
2425    ) -> AnyElement {
2426        match content {
2427            ToolCallContent::ContentBlock(content) => {
2428                if let Some(resource_link) = content.resource_link() {
2429                    self.render_resource_link(resource_link, cx)
2430                } else if let Some(markdown) = content.markdown() {
2431                    self.render_markdown_output(
2432                        markdown.clone(),
2433                        tool_call.id.clone(),
2434                        context_ix,
2435                        card_layout,
2436                        window,
2437                        cx,
2438                    )
2439                } else {
2440                    Empty.into_any_element()
2441                }
2442            }
2443            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2444            ToolCallContent::Terminal(terminal) => {
2445                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2446            }
2447        }
2448    }
2449
2450    fn render_markdown_output(
2451        &self,
2452        markdown: Entity<Markdown>,
2453        tool_call_id: acp::ToolCallId,
2454        context_ix: usize,
2455        card_layout: bool,
2456        window: &Window,
2457        cx: &Context<Self>,
2458    ) -> AnyElement {
2459        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2460
2461        v_flex()
2462            .mt_1p5()
2463            .gap_2()
2464            .when(!card_layout, |this| {
2465                this.ml(rems(0.4))
2466                    .px_3p5()
2467                    .border_l_1()
2468                    .border_color(self.tool_card_border_color(cx))
2469            })
2470            .when(card_layout, |this| {
2471                this.px_2().pb_2().when(context_ix > 0, |this| {
2472                    this.border_t_1()
2473                        .pt_2()
2474                        .border_color(self.tool_card_border_color(cx))
2475                })
2476            })
2477            .text_xs()
2478            .text_color(cx.theme().colors().text_muted)
2479            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2480            .when(!card_layout, |this| {
2481                this.child(
2482                    IconButton::new(button_id, IconName::ChevronUp)
2483                        .full_width()
2484                        .style(ButtonStyle::Outlined)
2485                        .icon_color(Color::Muted)
2486                        .on_click(cx.listener({
2487                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2488                                this.expanded_tool_calls.remove(&tool_call_id);
2489                                cx.notify();
2490                            }
2491                        })),
2492                )
2493            })
2494            .into_any_element()
2495    }
2496
2497    fn render_resource_link(
2498        &self,
2499        resource_link: &acp::ResourceLink,
2500        cx: &Context<Self>,
2501    ) -> AnyElement {
2502        let uri: SharedString = resource_link.uri.clone().into();
2503        let is_file = resource_link.uri.strip_prefix("file://");
2504
2505        let label: SharedString = if let Some(abs_path) = is_file {
2506            if let Some(project_path) = self
2507                .project
2508                .read(cx)
2509                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2510                && let Some(worktree) = self
2511                    .project
2512                    .read(cx)
2513                    .worktree_for_id(project_path.worktree_id, cx)
2514            {
2515                worktree
2516                    .read(cx)
2517                    .full_path(&project_path.path)
2518                    .to_string_lossy()
2519                    .to_string()
2520                    .into()
2521            } else {
2522                abs_path.to_string().into()
2523            }
2524        } else {
2525            uri.clone()
2526        };
2527
2528        let button_id = SharedString::from(format!("item-{}", uri));
2529
2530        div()
2531            .ml(rems(0.4))
2532            .pl_2p5()
2533            .border_l_1()
2534            .border_color(self.tool_card_border_color(cx))
2535            .overflow_hidden()
2536            .child(
2537                Button::new(button_id, label)
2538                    .label_size(LabelSize::Small)
2539                    .color(Color::Muted)
2540                    .truncate(true)
2541                    .when(is_file.is_none(), |this| {
2542                        this.icon(IconName::ArrowUpRight)
2543                            .icon_size(IconSize::XSmall)
2544                            .icon_color(Color::Muted)
2545                    })
2546                    .on_click(cx.listener({
2547                        let workspace = self.workspace.clone();
2548                        move |_, _, window, cx: &mut Context<Self>| {
2549                            Self::open_link(uri.clone(), &workspace, window, cx);
2550                        }
2551                    })),
2552            )
2553            .into_any_element()
2554    }
2555
2556    fn render_permission_buttons(
2557        &self,
2558        kind: acp::ToolKind,
2559        options: &[acp::PermissionOption],
2560        entry_ix: usize,
2561        tool_call_id: acp::ToolCallId,
2562        cx: &Context<Self>,
2563    ) -> Div {
2564        let is_first = self.thread().is_some_and(|thread| {
2565            thread
2566                .read(cx)
2567                .first_tool_awaiting_confirmation()
2568                .is_some_and(|call| call.id == tool_call_id)
2569        });
2570        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2571
2572        div()
2573            .p_1()
2574            .border_t_1()
2575            .border_color(self.tool_card_border_color(cx))
2576            .w_full()
2577            .map(|this| {
2578                if kind == acp::ToolKind::SwitchMode {
2579                    this.v_flex()
2580                } else {
2581                    this.h_flex().justify_end().flex_wrap()
2582                }
2583            })
2584            .gap_0p5()
2585            .children(options.iter().map(move |option| {
2586                let option_id = SharedString::from(option.id.0.clone());
2587                Button::new((option_id, entry_ix), option.name.clone())
2588                    .map(|this| {
2589                        let (this, action) = match option.kind {
2590                            acp::PermissionOptionKind::AllowOnce => (
2591                                this.icon(IconName::Check).icon_color(Color::Success),
2592                                Some(&AllowOnce as &dyn Action),
2593                            ),
2594                            acp::PermissionOptionKind::AllowAlways => (
2595                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2596                                Some(&AllowAlways as &dyn Action),
2597                            ),
2598                            acp::PermissionOptionKind::RejectOnce => (
2599                                this.icon(IconName::Close).icon_color(Color::Error),
2600                                Some(&RejectOnce as &dyn Action),
2601                            ),
2602                            acp::PermissionOptionKind::RejectAlways => {
2603                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2604                            }
2605                        };
2606
2607                        let Some(action) = action else {
2608                            return this;
2609                        };
2610
2611                        if !is_first || seen_kinds.contains(&option.kind) {
2612                            return this;
2613                        }
2614
2615                        seen_kinds.push(option.kind);
2616
2617                        this.key_binding(
2618                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
2619                                .map(|kb| kb.size(rems_from_px(10.))),
2620                        )
2621                    })
2622                    .icon_position(IconPosition::Start)
2623                    .icon_size(IconSize::XSmall)
2624                    .label_size(LabelSize::Small)
2625                    .on_click(cx.listener({
2626                        let tool_call_id = tool_call_id.clone();
2627                        let option_id = option.id.clone();
2628                        let option_kind = option.kind;
2629                        move |this, _, window, cx| {
2630                            this.authorize_tool_call(
2631                                tool_call_id.clone(),
2632                                option_id.clone(),
2633                                option_kind,
2634                                window,
2635                                cx,
2636                            );
2637                        }
2638                    }))
2639            }))
2640    }
2641
2642    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2643        let bar = |n: u64, width_class: &str| {
2644            let bg_color = cx.theme().colors().element_active;
2645            let base = h_flex().h_1().rounded_full();
2646
2647            let modified = match width_class {
2648                "w_4_5" => base.w_3_4(),
2649                "w_1_4" => base.w_1_4(),
2650                "w_2_4" => base.w_2_4(),
2651                "w_3_5" => base.w_3_5(),
2652                "w_2_5" => base.w_2_5(),
2653                _ => base.w_1_2(),
2654            };
2655
2656            modified.with_animation(
2657                ElementId::Integer(n),
2658                Animation::new(Duration::from_secs(2)).repeat(),
2659                move |tab, delta| {
2660                    let delta = (delta - 0.15 * n as f32) / 0.7;
2661                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2662                    let delta = ease_in_out(delta.clamp(0., 1.));
2663                    let delta = 0.1 + 0.9 * delta;
2664
2665                    tab.bg(bg_color.opacity(delta))
2666                },
2667            )
2668        };
2669
2670        v_flex()
2671            .p_3()
2672            .gap_1()
2673            .rounded_b_md()
2674            .bg(cx.theme().colors().editor_background)
2675            .child(bar(0, "w_4_5"))
2676            .child(bar(1, "w_1_4"))
2677            .child(bar(2, "w_2_4"))
2678            .child(bar(3, "w_3_5"))
2679            .child(bar(4, "w_2_5"))
2680            .into_any_element()
2681    }
2682
2683    fn render_diff_editor(
2684        &self,
2685        entry_ix: usize,
2686        diff: &Entity<acp_thread::Diff>,
2687        tool_call: &ToolCall,
2688        cx: &Context<Self>,
2689    ) -> AnyElement {
2690        let tool_progress = matches!(
2691            &tool_call.status,
2692            ToolCallStatus::InProgress | ToolCallStatus::Pending
2693        );
2694
2695        v_flex()
2696            .h_full()
2697            .border_t_1()
2698            .border_color(self.tool_card_border_color(cx))
2699            .child(
2700                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2701                    && let Some(editor) = entry.editor_for_diff(diff)
2702                    && diff.read(cx).has_revealed_range(cx)
2703                {
2704                    editor.into_any_element()
2705                } else if tool_progress && self.as_native_connection(cx).is_some() {
2706                    self.render_diff_loading(cx)
2707                } else {
2708                    Empty.into_any()
2709                },
2710            )
2711            .into_any()
2712    }
2713
2714    fn render_terminal_tool_call(
2715        &self,
2716        entry_ix: usize,
2717        terminal: &Entity<acp_thread::Terminal>,
2718        tool_call: &ToolCall,
2719        window: &Window,
2720        cx: &Context<Self>,
2721    ) -> AnyElement {
2722        let terminal_data = terminal.read(cx);
2723        let working_dir = terminal_data.working_dir();
2724        let command = terminal_data.command();
2725        let started_at = terminal_data.started_at();
2726
2727        let tool_failed = matches!(
2728            &tool_call.status,
2729            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2730        );
2731
2732        let output = terminal_data.output();
2733        let command_finished = output.is_some();
2734        let truncated_output =
2735            output.is_some_and(|output| output.original_content_len > output.content.len());
2736        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2737
2738        let command_failed = command_finished
2739            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
2740
2741        let time_elapsed = if let Some(output) = output {
2742            output.ended_at.duration_since(started_at)
2743        } else {
2744            started_at.elapsed()
2745        };
2746
2747        let header_id =
2748            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2749        let header_group = SharedString::from(format!(
2750            "terminal-tool-header-group-{}",
2751            terminal.entity_id()
2752        ));
2753        let header_bg = cx
2754            .theme()
2755            .colors()
2756            .element_background
2757            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2758        let border_color = cx.theme().colors().border.opacity(0.6);
2759
2760        let working_dir = working_dir
2761            .as_ref()
2762            .map(|path| path.display().to_string())
2763            .unwrap_or_else(|| "current directory".to_string());
2764
2765        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2766
2767        let header = h_flex()
2768            .id(header_id)
2769            .flex_none()
2770            .gap_1()
2771            .justify_between()
2772            .rounded_t_md()
2773            .child(
2774                div()
2775                    .id(("command-target-path", terminal.entity_id()))
2776                    .w_full()
2777                    .max_w_full()
2778                    .overflow_x_scroll()
2779                    .child(
2780                        Label::new(working_dir)
2781                            .buffer_font(cx)
2782                            .size(LabelSize::XSmall)
2783                            .color(Color::Muted),
2784                    ),
2785            )
2786            .when(!command_finished, |header| {
2787                header
2788                    .gap_1p5()
2789                    .child(
2790                        Button::new(
2791                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2792                            "Stop",
2793                        )
2794                        .icon(IconName::Stop)
2795                        .icon_position(IconPosition::Start)
2796                        .icon_size(IconSize::Small)
2797                        .icon_color(Color::Error)
2798                        .label_size(LabelSize::Small)
2799                        .tooltip(move |_window, cx| {
2800                            Tooltip::with_meta(
2801                                "Stop This Command",
2802                                None,
2803                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2804                                cx,
2805                            )
2806                        })
2807                        .on_click({
2808                            let terminal = terminal.clone();
2809                            cx.listener(move |_this, _event, _window, cx| {
2810                                let inner_terminal = terminal.read(cx).inner().clone();
2811                                inner_terminal.update(cx, |inner_terminal, _cx| {
2812                                    inner_terminal.kill_active_task();
2813                                });
2814                            })
2815                        }),
2816                    )
2817                    .child(Divider::vertical())
2818                    .child(
2819                        Icon::new(IconName::ArrowCircle)
2820                            .size(IconSize::XSmall)
2821                            .color(Color::Info)
2822                            .with_rotate_animation(2)
2823                    )
2824            })
2825            .when(truncated_output, |header| {
2826                let tooltip = if let Some(output) = output {
2827                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2828                       format!("Output exceeded terminal max lines and was \
2829                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2830                    } else {
2831                        format!(
2832                            "Output is {} long, and to avoid unexpected token usage, \
2833                                only {} was sent back to the agent.",
2834                            format_file_size(output.original_content_len as u64, true),
2835                             format_file_size(output.content.len() as u64, true)
2836                        )
2837                    }
2838                } else {
2839                    "Output was truncated".to_string()
2840                };
2841
2842                header.child(
2843                    h_flex()
2844                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2845                        .gap_1()
2846                        .child(
2847                            Icon::new(IconName::Info)
2848                                .size(IconSize::XSmall)
2849                                .color(Color::Ignored),
2850                        )
2851                        .child(
2852                            Label::new("Truncated")
2853                                .color(Color::Muted)
2854                                .size(LabelSize::XSmall),
2855                        )
2856                        .tooltip(Tooltip::text(tooltip)),
2857                )
2858            })
2859            .when(time_elapsed > Duration::from_secs(10), |header| {
2860                header.child(
2861                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2862                        .buffer_font(cx)
2863                        .color(Color::Muted)
2864                        .size(LabelSize::XSmall),
2865                )
2866            })
2867            .when(tool_failed || command_failed, |header| {
2868                header.child(
2869                    div()
2870                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2871                        .child(
2872                            Icon::new(IconName::Close)
2873                                .size(IconSize::Small)
2874                                .color(Color::Error),
2875                        )
2876                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2877                            this.tooltip(Tooltip::text(format!(
2878                                "Exited with code {}",
2879                                status.code().unwrap_or(-1),
2880                            )))
2881                        }),
2882                )
2883            })
2884            .child(
2885                Disclosure::new(
2886                    SharedString::from(format!(
2887                        "terminal-tool-disclosure-{}",
2888                        terminal.entity_id()
2889                    )),
2890                    is_expanded,
2891                )
2892                .opened_icon(IconName::ChevronUp)
2893                .closed_icon(IconName::ChevronDown)
2894                .visible_on_hover(&header_group)
2895                .on_click(cx.listener({
2896                    let id = tool_call.id.clone();
2897                    move |this, _event, _window, _cx| {
2898                        if is_expanded {
2899                            this.expanded_tool_calls.remove(&id);
2900                        } else {
2901                            this.expanded_tool_calls.insert(id.clone());
2902                        }
2903                    }
2904                })),
2905            );
2906
2907        let terminal_view = self
2908            .entry_view_state
2909            .read(cx)
2910            .entry(entry_ix)
2911            .and_then(|entry| entry.terminal(terminal));
2912        let show_output = is_expanded && terminal_view.is_some();
2913
2914        v_flex()
2915            .my_1p5()
2916            .mx_5()
2917            .border_1()
2918            .when(tool_failed || command_failed, |card| card.border_dashed())
2919            .border_color(border_color)
2920            .rounded_md()
2921            .overflow_hidden()
2922            .child(
2923                v_flex()
2924                    .group(&header_group)
2925                    .py_1p5()
2926                    .pr_1p5()
2927                    .pl_2()
2928                    .gap_0p5()
2929                    .bg(header_bg)
2930                    .text_xs()
2931                    .child(header)
2932                    .child(
2933                        MarkdownElement::new(
2934                            command.clone(),
2935                            terminal_command_markdown_style(window, cx),
2936                        )
2937                        .code_block_renderer(
2938                            markdown::CodeBlockRenderer::Default {
2939                                copy_button: false,
2940                                copy_button_on_hover: true,
2941                                border: false,
2942                            },
2943                        ),
2944                    ),
2945            )
2946            .when(show_output, |this| {
2947                this.child(
2948                    div()
2949                        .pt_2()
2950                        .border_t_1()
2951                        .when(tool_failed || command_failed, |card| card.border_dashed())
2952                        .border_color(border_color)
2953                        .bg(cx.theme().colors().editor_background)
2954                        .rounded_b_md()
2955                        .text_ui_sm(cx)
2956                        .h_full()
2957                        .children(terminal_view.map(|terminal_view| {
2958                            if terminal_view
2959                                .read(cx)
2960                                .content_mode(window, cx)
2961                                .is_scrollable()
2962                            {
2963                                div().h_72().child(terminal_view).into_any_element()
2964                            } else {
2965                                terminal_view.into_any_element()
2966                            }
2967                        })),
2968                )
2969            })
2970            .into_any()
2971    }
2972
2973    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2974        let project_context = self
2975            .as_native_thread(cx)?
2976            .read(cx)
2977            .project_context()
2978            .read(cx);
2979
2980        let user_rules_text = if project_context.user_rules.is_empty() {
2981            None
2982        } else if project_context.user_rules.len() == 1 {
2983            let user_rules = &project_context.user_rules[0];
2984
2985            match user_rules.title.as_ref() {
2986                Some(title) => Some(format!("Using \"{title}\" user rule")),
2987                None => Some("Using user rule".into()),
2988            }
2989        } else {
2990            Some(format!(
2991                "Using {} user rules",
2992                project_context.user_rules.len()
2993            ))
2994        };
2995
2996        let first_user_rules_id = project_context
2997            .user_rules
2998            .first()
2999            .map(|user_rules| user_rules.uuid.0);
3000
3001        let rules_files = project_context
3002            .worktrees
3003            .iter()
3004            .filter_map(|worktree| worktree.rules_file.as_ref())
3005            .collect::<Vec<_>>();
3006
3007        let rules_file_text = match rules_files.as_slice() {
3008            &[] => None,
3009            &[rules_file] => Some(format!(
3010                "Using project {:?} file",
3011                rules_file.path_in_worktree
3012            )),
3013            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3014        };
3015
3016        if user_rules_text.is_none() && rules_file_text.is_none() {
3017            return None;
3018        }
3019
3020        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3021
3022        Some(
3023            h_flex()
3024                .px_2p5()
3025                .child(
3026                    Icon::new(IconName::Attach)
3027                        .size(IconSize::XSmall)
3028                        .color(Color::Disabled),
3029                )
3030                .when_some(user_rules_text, |parent, user_rules_text| {
3031                    parent.child(
3032                        h_flex()
3033                            .id("user-rules")
3034                            .ml_1()
3035                            .mr_1p5()
3036                            .child(
3037                                Label::new(user_rules_text)
3038                                    .size(LabelSize::XSmall)
3039                                    .color(Color::Muted)
3040                                    .truncate(),
3041                            )
3042                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3043                            .tooltip(Tooltip::text("View User Rules"))
3044                            .on_click(move |_event, window, cx| {
3045                                window.dispatch_action(
3046                                    Box::new(OpenRulesLibrary {
3047                                        prompt_to_select: first_user_rules_id,
3048                                    }),
3049                                    cx,
3050                                )
3051                            }),
3052                    )
3053                })
3054                .when(has_both, |this| {
3055                    this.child(
3056                        Label::new("")
3057                            .size(LabelSize::XSmall)
3058                            .color(Color::Disabled),
3059                    )
3060                })
3061                .when_some(rules_file_text, |parent, rules_file_text| {
3062                    parent.child(
3063                        h_flex()
3064                            .id("project-rules")
3065                            .ml_1p5()
3066                            .child(
3067                                Label::new(rules_file_text)
3068                                    .size(LabelSize::XSmall)
3069                                    .color(Color::Muted),
3070                            )
3071                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3072                            .tooltip(Tooltip::text("View Project Rules"))
3073                            .on_click(cx.listener(Self::handle_open_rules)),
3074                    )
3075                })
3076                .into_any(),
3077        )
3078    }
3079
3080    fn render_empty_state_section_header(
3081        &self,
3082        label: impl Into<SharedString>,
3083        action_slot: Option<AnyElement>,
3084        cx: &mut Context<Self>,
3085    ) -> impl IntoElement {
3086        div().pl_1().pr_1p5().child(
3087            h_flex()
3088                .mt_2()
3089                .pl_1p5()
3090                .pb_1()
3091                .w_full()
3092                .justify_between()
3093                .border_b_1()
3094                .border_color(cx.theme().colors().border_variant)
3095                .child(
3096                    Label::new(label.into())
3097                        .size(LabelSize::Small)
3098                        .color(Color::Muted),
3099                )
3100                .children(action_slot),
3101        )
3102    }
3103
3104    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3105        let render_history = self
3106            .agent
3107            .clone()
3108            .downcast::<agent::NativeAgentServer>()
3109            .is_some()
3110            && self
3111                .history_store
3112                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3113
3114        v_flex()
3115            .size_full()
3116            .when(render_history, |this| {
3117                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3118                    history_store.entries().take(3).collect()
3119                });
3120                this.justify_end().child(
3121                    v_flex()
3122                        .child(
3123                            self.render_empty_state_section_header(
3124                                "Recent",
3125                                Some(
3126                                    Button::new("view-history", "View All")
3127                                        .style(ButtonStyle::Subtle)
3128                                        .label_size(LabelSize::Small)
3129                                        .key_binding(
3130                                            KeyBinding::for_action_in(
3131                                                &OpenHistory,
3132                                                &self.focus_handle(cx),
3133                                                cx,
3134                                            )
3135                                            .map(|kb| kb.size(rems_from_px(12.))),
3136                                        )
3137                                        .on_click(move |_event, window, cx| {
3138                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3139                                        })
3140                                        .into_any_element(),
3141                                ),
3142                                cx,
3143                            ),
3144                        )
3145                        .child(
3146                            v_flex().p_1().pr_1p5().gap_1().children(
3147                                recent_history
3148                                    .into_iter()
3149                                    .enumerate()
3150                                    .map(|(index, entry)| {
3151                                        // TODO: Add keyboard navigation.
3152                                        let is_hovered =
3153                                            self.hovered_recent_history_item == Some(index);
3154                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3155                                            entry,
3156                                            cx.entity().downgrade(),
3157                                        )
3158                                        .hovered(is_hovered)
3159                                        .on_hover(cx.listener(
3160                                            move |this, is_hovered, _window, cx| {
3161                                                if *is_hovered {
3162                                                    this.hovered_recent_history_item = Some(index);
3163                                                } else if this.hovered_recent_history_item
3164                                                    == Some(index)
3165                                                {
3166                                                    this.hovered_recent_history_item = None;
3167                                                }
3168                                                cx.notify();
3169                                            },
3170                                        ))
3171                                        .into_any_element()
3172                                    }),
3173                            ),
3174                        ),
3175                )
3176            })
3177            .into_any()
3178    }
3179
3180    fn render_auth_required_state(
3181        &self,
3182        connection: &Rc<dyn AgentConnection>,
3183        description: Option<&Entity<Markdown>>,
3184        configuration_view: Option<&AnyView>,
3185        pending_auth_method: Option<&acp::AuthMethodId>,
3186        window: &mut Window,
3187        cx: &Context<Self>,
3188    ) -> Div {
3189        let show_description =
3190            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3191
3192        let auth_methods = connection.auth_methods();
3193
3194        v_flex().flex_1().size_full().justify_end().child(
3195            v_flex()
3196                .p_2()
3197                .pr_3()
3198                .w_full()
3199                .gap_1()
3200                .border_t_1()
3201                .border_color(cx.theme().colors().border)
3202                .bg(cx.theme().status().warning.opacity(0.04))
3203                .child(
3204                    h_flex()
3205                        .gap_1p5()
3206                        .child(
3207                            Icon::new(IconName::Warning)
3208                                .color(Color::Warning)
3209                                .size(IconSize::Small),
3210                        )
3211                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3212                )
3213                .children(description.map(|desc| {
3214                    div().text_ui(cx).child(self.render_markdown(
3215                        desc.clone(),
3216                        default_markdown_style(false, false, window, cx),
3217                    ))
3218                }))
3219                .children(
3220                    configuration_view
3221                        .cloned()
3222                        .map(|view| div().w_full().child(view)),
3223                )
3224                .when(show_description, |el| {
3225                    el.child(
3226                        Label::new(format!(
3227                            "You are not currently authenticated with {}.{}",
3228                            self.agent.name(),
3229                            if auth_methods.len() > 1 {
3230                                " Please choose one of the following options:"
3231                            } else {
3232                                ""
3233                            }
3234                        ))
3235                        .size(LabelSize::Small)
3236                        .color(Color::Muted)
3237                        .mb_1()
3238                        .ml_5(),
3239                    )
3240                })
3241                .when_some(pending_auth_method, |el, _| {
3242                    el.child(
3243                        h_flex()
3244                            .py_4()
3245                            .w_full()
3246                            .justify_center()
3247                            .gap_1()
3248                            .child(
3249                                Icon::new(IconName::ArrowCircle)
3250                                    .size(IconSize::Small)
3251                                    .color(Color::Muted)
3252                                    .with_rotate_animation(2),
3253                            )
3254                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3255                    )
3256                })
3257                .when(!auth_methods.is_empty(), |this| {
3258                    this.child(
3259                        h_flex()
3260                            .justify_end()
3261                            .flex_wrap()
3262                            .gap_1()
3263                            .when(!show_description, |this| {
3264                                this.border_t_1()
3265                                    .mt_1()
3266                                    .pt_2()
3267                                    .border_color(cx.theme().colors().border.opacity(0.8))
3268                            })
3269                            .children(connection.auth_methods().iter().enumerate().rev().map(
3270                                |(ix, method)| {
3271                                    let (method_id, name) = if self
3272                                        .project
3273                                        .read(cx)
3274                                        .is_via_remote_server()
3275                                        && method.id.0.as_ref() == "oauth-personal"
3276                                        && method.name == "Log in with Google"
3277                                    {
3278                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3279                                    } else {
3280                                        (method.id.0.clone(), method.name.clone())
3281                                    };
3282
3283                                    Button::new(SharedString::from(method_id.clone()), name)
3284                                        .label_size(LabelSize::Small)
3285                                        .map(|this| {
3286                                            if ix == 0 {
3287                                                this.style(ButtonStyle::Tinted(TintColor::Warning))
3288                                            } else {
3289                                                this.style(ButtonStyle::Outlined)
3290                                            }
3291                                        })
3292                                        .when_some(
3293                                            method.description.clone(),
3294                                            |this, description| {
3295                                                this.tooltip(Tooltip::text(description))
3296                                            },
3297                                        )
3298                                        .on_click({
3299                                            cx.listener(move |this, _, window, cx| {
3300                                                telemetry::event!(
3301                                                    "Authenticate Agent Started",
3302                                                    agent = this.agent.telemetry_id(),
3303                                                    method = method_id
3304                                                );
3305
3306                                                this.authenticate(
3307                                                    acp::AuthMethodId(method_id.clone()),
3308                                                    window,
3309                                                    cx,
3310                                                )
3311                                            })
3312                                        })
3313                                },
3314                            )),
3315                    )
3316                }),
3317        )
3318    }
3319
3320    fn render_load_error(
3321        &self,
3322        e: &LoadError,
3323        window: &mut Window,
3324        cx: &mut Context<Self>,
3325    ) -> AnyElement {
3326        let (title, message, action_slot): (_, SharedString, _) = match e {
3327            LoadError::Unsupported {
3328                command: path,
3329                current_version,
3330                minimum_version,
3331            } => {
3332                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3333            }
3334            LoadError::FailedToInstall(msg) => (
3335                "Failed to Install",
3336                msg.into(),
3337                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3338            ),
3339            LoadError::Exited { status } => (
3340                "Failed to Launch",
3341                format!("Server exited with status {status}").into(),
3342                None,
3343            ),
3344            LoadError::Other(msg) => (
3345                "Failed to Launch",
3346                msg.into(),
3347                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3348            ),
3349        };
3350
3351        Callout::new()
3352            .severity(Severity::Error)
3353            .icon(IconName::XCircleFilled)
3354            .title(title)
3355            .description(message)
3356            .actions_slot(div().children(action_slot))
3357            .into_any_element()
3358    }
3359
3360    fn render_unsupported(
3361        &self,
3362        path: &SharedString,
3363        version: &SharedString,
3364        minimum_version: &SharedString,
3365        _window: &mut Window,
3366        cx: &mut Context<Self>,
3367    ) -> AnyElement {
3368        let (heading_label, description_label) = (
3369            format!("Upgrade {} to work with Zed", self.agent.name()),
3370            if version.is_empty() {
3371                format!(
3372                    "Currently using {}, which does not report a valid --version",
3373                    path,
3374                )
3375            } else {
3376                format!(
3377                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3378                    path, version
3379                )
3380            },
3381        );
3382
3383        v_flex()
3384            .w_full()
3385            .p_3p5()
3386            .gap_2p5()
3387            .border_t_1()
3388            .border_color(cx.theme().colors().border)
3389            .bg(linear_gradient(
3390                180.,
3391                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3392                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3393            ))
3394            .child(
3395                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3396                    Label::new(description_label)
3397                        .size(LabelSize::Small)
3398                        .color(Color::Muted),
3399                ),
3400            )
3401            .into_any_element()
3402    }
3403
3404    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3405        let editor_bg_color = cx.theme().colors().editor_background;
3406        let active_color = cx.theme().colors().element_selected;
3407        editor_bg_color.blend(active_color.opacity(0.3))
3408    }
3409
3410    fn render_activity_bar(
3411        &self,
3412        thread_entity: &Entity<AcpThread>,
3413        window: &mut Window,
3414        cx: &Context<Self>,
3415    ) -> Option<AnyElement> {
3416        let thread = thread_entity.read(cx);
3417        let action_log = thread.action_log();
3418        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3419        let plan = thread.plan();
3420
3421        if changed_buffers.is_empty() && plan.is_empty() {
3422            return None;
3423        }
3424
3425        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3426        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3427        // be, which blocks you from being able to accept or reject edits. This switches the
3428        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3429        // block you from using the panel.
3430        let pending_edits = false;
3431
3432        v_flex()
3433            .mt_1()
3434            .mx_2()
3435            .bg(self.activity_bar_bg(cx))
3436            .border_1()
3437            .border_b_0()
3438            .border_color(cx.theme().colors().border)
3439            .rounded_t_md()
3440            .shadow(vec![gpui::BoxShadow {
3441                color: gpui::black().opacity(0.15),
3442                offset: point(px(1.), px(-1.)),
3443                blur_radius: px(3.),
3444                spread_radius: px(0.),
3445            }])
3446            .when(!plan.is_empty(), |this| {
3447                this.child(self.render_plan_summary(plan, window, cx))
3448                    .when(self.plan_expanded, |parent| {
3449                        parent.child(self.render_plan_entries(plan, window, cx))
3450                    })
3451            })
3452            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3453                this.child(Divider::horizontal().color(DividerColor::Border))
3454            })
3455            .when(!changed_buffers.is_empty(), |this| {
3456                this.child(self.render_edits_summary(
3457                    &changed_buffers,
3458                    self.edits_expanded,
3459                    pending_edits,
3460                    cx,
3461                ))
3462                .when(self.edits_expanded, |parent| {
3463                    parent.child(self.render_edited_files(
3464                        action_log,
3465                        &changed_buffers,
3466                        pending_edits,
3467                        cx,
3468                    ))
3469                })
3470            })
3471            .into_any()
3472            .into()
3473    }
3474
3475    fn render_plan_summary(
3476        &self,
3477        plan: &Plan,
3478        window: &mut Window,
3479        cx: &Context<Self>,
3480    ) -> impl IntoElement {
3481        let stats = plan.stats();
3482
3483        let title = if let Some(entry) = stats.in_progress_entry
3484            && !self.plan_expanded
3485        {
3486            h_flex()
3487                .cursor_default()
3488                .relative()
3489                .w_full()
3490                .gap_1()
3491                .truncate()
3492                .child(
3493                    Label::new("Current:")
3494                        .size(LabelSize::Small)
3495                        .color(Color::Muted),
3496                )
3497                .child(
3498                    div()
3499                        .text_xs()
3500                        .text_color(cx.theme().colors().text_muted)
3501                        .line_clamp(1)
3502                        .child(MarkdownElement::new(
3503                            entry.content.clone(),
3504                            plan_label_markdown_style(&entry.status, window, cx),
3505                        )),
3506                )
3507                .when(stats.pending > 0, |this| {
3508                    this.child(
3509                        h_flex()
3510                            .absolute()
3511                            .top_0()
3512                            .right_0()
3513                            .h_full()
3514                            .child(div().min_w_8().h_full().bg(linear_gradient(
3515                                90.,
3516                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3517                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3518                            )))
3519                            .child(
3520                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3521                                    Label::new(format!("{} left", stats.pending))
3522                                        .size(LabelSize::Small)
3523                                        .color(Color::Muted),
3524                                ),
3525                            ),
3526                    )
3527                })
3528        } else {
3529            let status_label = if stats.pending == 0 {
3530                "All Done".to_string()
3531            } else if stats.completed == 0 {
3532                format!("{} Tasks", plan.entries.len())
3533            } else {
3534                format!("{}/{}", stats.completed, plan.entries.len())
3535            };
3536
3537            h_flex()
3538                .w_full()
3539                .gap_1()
3540                .justify_between()
3541                .child(
3542                    Label::new("Plan")
3543                        .size(LabelSize::Small)
3544                        .color(Color::Muted),
3545                )
3546                .child(
3547                    Label::new(status_label)
3548                        .size(LabelSize::Small)
3549                        .color(Color::Muted)
3550                        .mr_1(),
3551                )
3552        };
3553
3554        h_flex()
3555            .id("plan_summary")
3556            .p_1()
3557            .w_full()
3558            .gap_1()
3559            .when(self.plan_expanded, |this| {
3560                this.border_b_1().border_color(cx.theme().colors().border)
3561            })
3562            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3563            .child(title)
3564            .on_click(cx.listener(|this, _, _, cx| {
3565                this.plan_expanded = !this.plan_expanded;
3566                cx.notify();
3567            }))
3568    }
3569
3570    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3571        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3572            let element = h_flex()
3573                .py_1()
3574                .px_2()
3575                .gap_2()
3576                .justify_between()
3577                .bg(cx.theme().colors().editor_background)
3578                .when(index < plan.entries.len() - 1, |parent| {
3579                    parent.border_color(cx.theme().colors().border).border_b_1()
3580                })
3581                .child(
3582                    h_flex()
3583                        .id(("plan_entry", index))
3584                        .gap_1p5()
3585                        .max_w_full()
3586                        .overflow_x_scroll()
3587                        .text_xs()
3588                        .text_color(cx.theme().colors().text_muted)
3589                        .child(match entry.status {
3590                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3591                                .size(IconSize::Small)
3592                                .color(Color::Muted)
3593                                .into_any_element(),
3594                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3595                                .size(IconSize::Small)
3596                                .color(Color::Accent)
3597                                .with_rotate_animation(2)
3598                                .into_any_element(),
3599                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3600                                .size(IconSize::Small)
3601                                .color(Color::Success)
3602                                .into_any_element(),
3603                        })
3604                        .child(MarkdownElement::new(
3605                            entry.content.clone(),
3606                            plan_label_markdown_style(&entry.status, window, cx),
3607                        )),
3608                );
3609
3610            Some(element)
3611        }))
3612    }
3613
3614    fn render_edits_summary(
3615        &self,
3616        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3617        expanded: bool,
3618        pending_edits: bool,
3619        cx: &Context<Self>,
3620    ) -> Div {
3621        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3622
3623        let focus_handle = self.focus_handle(cx);
3624
3625        h_flex()
3626            .p_1()
3627            .justify_between()
3628            .flex_wrap()
3629            .when(expanded, |this| {
3630                this.border_b_1().border_color(cx.theme().colors().border)
3631            })
3632            .child(
3633                h_flex()
3634                    .id("edits-container")
3635                    .cursor_pointer()
3636                    .gap_1()
3637                    .child(Disclosure::new("edits-disclosure", expanded))
3638                    .map(|this| {
3639                        if pending_edits {
3640                            this.child(
3641                                Label::new(format!(
3642                                    "Editing {} {}",
3643                                    changed_buffers.len(),
3644                                    if changed_buffers.len() == 1 {
3645                                        "file"
3646                                    } else {
3647                                        "files"
3648                                    }
3649                                ))
3650                                .color(Color::Muted)
3651                                .size(LabelSize::Small)
3652                                .with_animation(
3653                                    "edit-label",
3654                                    Animation::new(Duration::from_secs(2))
3655                                        .repeat()
3656                                        .with_easing(pulsating_between(0.3, 0.7)),
3657                                    |label, delta| label.alpha(delta),
3658                                ),
3659                            )
3660                        } else {
3661                            this.child(
3662                                Label::new("Edits")
3663                                    .size(LabelSize::Small)
3664                                    .color(Color::Muted),
3665                            )
3666                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3667                            .child(
3668                                Label::new(format!(
3669                                    "{} {}",
3670                                    changed_buffers.len(),
3671                                    if changed_buffers.len() == 1 {
3672                                        "file"
3673                                    } else {
3674                                        "files"
3675                                    }
3676                                ))
3677                                .size(LabelSize::Small)
3678                                .color(Color::Muted),
3679                            )
3680                        }
3681                    })
3682                    .on_click(cx.listener(|this, _, _, cx| {
3683                        this.edits_expanded = !this.edits_expanded;
3684                        cx.notify();
3685                    })),
3686            )
3687            .child(
3688                h_flex()
3689                    .gap_1()
3690                    .child(
3691                        IconButton::new("review-changes", IconName::ListTodo)
3692                            .icon_size(IconSize::Small)
3693                            .tooltip({
3694                                let focus_handle = focus_handle.clone();
3695                                move |_window, cx| {
3696                                    Tooltip::for_action_in(
3697                                        "Review Changes",
3698                                        &OpenAgentDiff,
3699                                        &focus_handle,
3700                                        cx,
3701                                    )
3702                                }
3703                            })
3704                            .on_click(cx.listener(|_, _, window, cx| {
3705                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3706                            })),
3707                    )
3708                    .child(Divider::vertical().color(DividerColor::Border))
3709                    .child(
3710                        Button::new("reject-all-changes", "Reject All")
3711                            .label_size(LabelSize::Small)
3712                            .disabled(pending_edits)
3713                            .when(pending_edits, |this| {
3714                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3715                            })
3716                            .key_binding(
3717                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
3718                                    .map(|kb| kb.size(rems_from_px(10.))),
3719                            )
3720                            .on_click(cx.listener(move |this, _, window, cx| {
3721                                this.reject_all(&RejectAll, window, cx);
3722                            })),
3723                    )
3724                    .child(
3725                        Button::new("keep-all-changes", "Keep All")
3726                            .label_size(LabelSize::Small)
3727                            .disabled(pending_edits)
3728                            .when(pending_edits, |this| {
3729                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3730                            })
3731                            .key_binding(
3732                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
3733                                    .map(|kb| kb.size(rems_from_px(10.))),
3734                            )
3735                            .on_click(cx.listener(move |this, _, window, cx| {
3736                                this.keep_all(&KeepAll, window, cx);
3737                            })),
3738                    ),
3739            )
3740    }
3741
3742    fn render_edited_files(
3743        &self,
3744        action_log: &Entity<ActionLog>,
3745        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3746        pending_edits: bool,
3747        cx: &Context<Self>,
3748    ) -> Div {
3749        let editor_bg_color = cx.theme().colors().editor_background;
3750
3751        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3752            |(index, (buffer, _diff))| {
3753                let file = buffer.read(cx).file()?;
3754                let path = file.path();
3755                let path_style = file.path_style(cx);
3756                let separator = file.path_style(cx).separator();
3757
3758                let file_path = path.parent().and_then(|parent| {
3759                    if parent.is_empty() {
3760                        None
3761                    } else {
3762                        Some(
3763                            Label::new(format!("{}{separator}", parent.display(path_style)))
3764                                .color(Color::Muted)
3765                                .size(LabelSize::XSmall)
3766                                .buffer_font(cx),
3767                        )
3768                    }
3769                });
3770
3771                let file_name = path.file_name().map(|name| {
3772                    Label::new(name.to_string())
3773                        .size(LabelSize::XSmall)
3774                        .buffer_font(cx)
3775                        .ml_1p5()
3776                });
3777
3778                let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
3779                    .map(Icon::from_path)
3780                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3781                    .unwrap_or_else(|| {
3782                        Icon::new(IconName::File)
3783                            .color(Color::Muted)
3784                            .size(IconSize::Small)
3785                    });
3786
3787                let overlay_gradient = linear_gradient(
3788                    90.,
3789                    linear_color_stop(editor_bg_color, 1.),
3790                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3791                );
3792
3793                let element = h_flex()
3794                    .group("edited-code")
3795                    .id(("file-container", index))
3796                    .py_1()
3797                    .pl_2()
3798                    .pr_1()
3799                    .gap_2()
3800                    .justify_between()
3801                    .bg(editor_bg_color)
3802                    .when(index < changed_buffers.len() - 1, |parent| {
3803                        parent.border_color(cx.theme().colors().border).border_b_1()
3804                    })
3805                    .child(
3806                        h_flex()
3807                            .id(("file-name-row", index))
3808                            .relative()
3809                            .pr_8()
3810                            .w_full()
3811                            .overflow_x_scroll()
3812                            .child(
3813                                h_flex()
3814                                    .id(("file-name-path", index))
3815                                    .cursor_pointer()
3816                                    .pr_0p5()
3817                                    .gap_0p5()
3818                                    .hover(|s| s.bg(cx.theme().colors().element_hover))
3819                                    .rounded_xs()
3820                                    .child(file_icon)
3821                                    .children(file_name)
3822                                    .children(file_path)
3823                                    .tooltip(Tooltip::text("Go to File"))
3824                                    .on_click({
3825                                        let buffer = buffer.clone();
3826                                        cx.listener(move |this, _, window, cx| {
3827                                            this.open_edited_buffer(&buffer, window, cx);
3828                                        })
3829                                    }),
3830                            )
3831                            .child(
3832                                div()
3833                                    .absolute()
3834                                    .h_full()
3835                                    .w_12()
3836                                    .top_0()
3837                                    .bottom_0()
3838                                    .right_0()
3839                                    .bg(overlay_gradient),
3840                            ),
3841                    )
3842                    .child(
3843                        h_flex()
3844                            .gap_1()
3845                            .visible_on_hover("edited-code")
3846                            .child(
3847                                Button::new("review", "Review")
3848                                    .label_size(LabelSize::Small)
3849                                    .on_click({
3850                                        let buffer = buffer.clone();
3851                                        cx.listener(move |this, _, window, cx| {
3852                                            this.open_edited_buffer(&buffer, window, cx);
3853                                        })
3854                                    }),
3855                            )
3856                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3857                            .child(
3858                                Button::new("reject-file", "Reject")
3859                                    .label_size(LabelSize::Small)
3860                                    .disabled(pending_edits)
3861                                    .on_click({
3862                                        let buffer = buffer.clone();
3863                                        let action_log = action_log.clone();
3864                                        move |_, _, cx| {
3865                                            action_log.update(cx, |action_log, cx| {
3866                                                action_log
3867                                                    .reject_edits_in_ranges(
3868                                                        buffer.clone(),
3869                                                        vec![Anchor::MIN..Anchor::MAX],
3870                                                        cx,
3871                                                    )
3872                                                    .detach_and_log_err(cx);
3873                                            })
3874                                        }
3875                                    }),
3876                            )
3877                            .child(
3878                                Button::new("keep-file", "Keep")
3879                                    .label_size(LabelSize::Small)
3880                                    .disabled(pending_edits)
3881                                    .on_click({
3882                                        let buffer = buffer.clone();
3883                                        let action_log = action_log.clone();
3884                                        move |_, _, cx| {
3885                                            action_log.update(cx, |action_log, cx| {
3886                                                action_log.keep_edits_in_range(
3887                                                    buffer.clone(),
3888                                                    Anchor::MIN..Anchor::MAX,
3889                                                    cx,
3890                                                );
3891                                            })
3892                                        }
3893                                    }),
3894                            ),
3895                    );
3896
3897                Some(element)
3898            },
3899        ))
3900    }
3901
3902    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3903        let focus_handle = self.message_editor.focus_handle(cx);
3904        let editor_bg_color = cx.theme().colors().editor_background;
3905        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3906            (IconName::Minimize, "Minimize Message Editor")
3907        } else {
3908            (IconName::Maximize, "Expand Message Editor")
3909        };
3910
3911        let backdrop = div()
3912            .size_full()
3913            .absolute()
3914            .inset_0()
3915            .bg(cx.theme().colors().panel_background)
3916            .opacity(0.8)
3917            .block_mouse_except_scroll();
3918
3919        let enable_editor = match self.thread_state {
3920            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3921            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3922        };
3923
3924        v_flex()
3925            .on_action(cx.listener(Self::expand_message_editor))
3926            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3927                if let Some(profile_selector) = this.profile_selector.as_ref() {
3928                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3929                } else if let Some(mode_selector) = this.mode_selector() {
3930                    mode_selector.read(cx).menu_handle().toggle(window, cx);
3931                }
3932            }))
3933            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
3934                if let Some(mode_selector) = this.mode_selector() {
3935                    mode_selector.update(cx, |mode_selector, cx| {
3936                        mode_selector.cycle_mode(window, cx);
3937                    });
3938                }
3939            }))
3940            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3941                if let Some(model_selector) = this.model_selector.as_ref() {
3942                    model_selector
3943                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3944                }
3945            }))
3946            .p_2()
3947            .gap_2()
3948            .border_t_1()
3949            .border_color(cx.theme().colors().border)
3950            .bg(editor_bg_color)
3951            .when(self.editor_expanded, |this| {
3952                this.h(vh(0.8, window)).size_full().justify_between()
3953            })
3954            .child(
3955                v_flex()
3956                    .relative()
3957                    .size_full()
3958                    .pt_1()
3959                    .pr_2p5()
3960                    .child(self.message_editor.clone())
3961                    .child(
3962                        h_flex()
3963                            .absolute()
3964                            .top_0()
3965                            .right_0()
3966                            .opacity(0.5)
3967                            .hover(|this| this.opacity(1.0))
3968                            .child(
3969                                IconButton::new("toggle-height", expand_icon)
3970                                    .icon_size(IconSize::Small)
3971                                    .icon_color(Color::Muted)
3972                                    .tooltip({
3973                                        move |_window, cx| {
3974                                            Tooltip::for_action_in(
3975                                                expand_tooltip,
3976                                                &ExpandMessageEditor,
3977                                                &focus_handle,
3978                                                cx,
3979                                            )
3980                                        }
3981                                    })
3982                                    .on_click(cx.listener(|this, _, window, cx| {
3983                                        this.expand_message_editor(
3984                                            &ExpandMessageEditor,
3985                                            window,
3986                                            cx,
3987                                        );
3988                                    })),
3989                            ),
3990                    ),
3991            )
3992            .child(
3993                h_flex()
3994                    .flex_none()
3995                    .flex_wrap()
3996                    .justify_between()
3997                    .child(
3998                        h_flex()
3999                            .child(self.render_follow_toggle(cx))
4000                            .children(self.render_burn_mode_toggle(cx)),
4001                    )
4002                    .child(
4003                        h_flex()
4004                            .gap_1()
4005                            .children(self.render_token_usage(cx))
4006                            .children(self.profile_selector.clone())
4007                            .children(self.mode_selector().cloned())
4008                            .children(self.model_selector.clone())
4009                            .child(self.render_send_button(cx)),
4010                    ),
4011            )
4012            .when(!enable_editor, |this| this.child(backdrop))
4013            .into_any()
4014    }
4015
4016    pub(crate) fn as_native_connection(
4017        &self,
4018        cx: &App,
4019    ) -> Option<Rc<agent::NativeAgentConnection>> {
4020        let acp_thread = self.thread()?.read(cx);
4021        acp_thread.connection().clone().downcast()
4022    }
4023
4024    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4025        let acp_thread = self.thread()?.read(cx);
4026        self.as_native_connection(cx)?
4027            .thread(acp_thread.session_id(), cx)
4028    }
4029
4030    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4031        self.as_native_thread(cx)
4032            .and_then(|thread| thread.read(cx).model())
4033            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4034    }
4035
4036    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4037        let thread = self.thread()?.read(cx);
4038        let usage = thread.token_usage()?;
4039        let is_generating = thread.status() != ThreadStatus::Idle;
4040
4041        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4042        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4043
4044        Some(
4045            h_flex()
4046                .flex_shrink_0()
4047                .gap_0p5()
4048                .mr_1p5()
4049                .child(
4050                    Label::new(used)
4051                        .size(LabelSize::Small)
4052                        .color(Color::Muted)
4053                        .map(|label| {
4054                            if is_generating {
4055                                label
4056                                    .with_animation(
4057                                        "used-tokens-label",
4058                                        Animation::new(Duration::from_secs(2))
4059                                            .repeat()
4060                                            .with_easing(pulsating_between(0.3, 0.8)),
4061                                        |label, delta| label.alpha(delta),
4062                                    )
4063                                    .into_any()
4064                            } else {
4065                                label.into_any_element()
4066                            }
4067                        }),
4068                )
4069                .child(
4070                    Label::new("/")
4071                        .size(LabelSize::Small)
4072                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4073                )
4074                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4075        )
4076    }
4077
4078    fn toggle_burn_mode(
4079        &mut self,
4080        _: &ToggleBurnMode,
4081        _window: &mut Window,
4082        cx: &mut Context<Self>,
4083    ) {
4084        let Some(thread) = self.as_native_thread(cx) else {
4085            return;
4086        };
4087
4088        thread.update(cx, |thread, cx| {
4089            let current_mode = thread.completion_mode();
4090            thread.set_completion_mode(
4091                match current_mode {
4092                    CompletionMode::Burn => CompletionMode::Normal,
4093                    CompletionMode::Normal => CompletionMode::Burn,
4094                },
4095                cx,
4096            );
4097        });
4098    }
4099
4100    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4101        let Some(thread) = self.thread() else {
4102            return;
4103        };
4104        let action_log = thread.read(cx).action_log().clone();
4105        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
4106    }
4107
4108    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4109        let Some(thread) = self.thread() else {
4110            return;
4111        };
4112        let action_log = thread.read(cx).action_log().clone();
4113        action_log
4114            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
4115            .detach();
4116    }
4117
4118    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4119        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4120    }
4121
4122    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4123        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4124    }
4125
4126    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4127        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4128    }
4129
4130    fn authorize_pending_tool_call(
4131        &mut self,
4132        kind: acp::PermissionOptionKind,
4133        window: &mut Window,
4134        cx: &mut Context<Self>,
4135    ) -> Option<()> {
4136        let thread = self.thread()?.read(cx);
4137        let tool_call = thread.first_tool_awaiting_confirmation()?;
4138        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4139            return None;
4140        };
4141        let option = options.iter().find(|o| o.kind == kind)?;
4142
4143        self.authorize_tool_call(
4144            tool_call.id.clone(),
4145            option.id.clone(),
4146            option.kind,
4147            window,
4148            cx,
4149        );
4150
4151        Some(())
4152    }
4153
4154    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4155        let thread = self.as_native_thread(cx)?.read(cx);
4156
4157        if thread
4158            .model()
4159            .is_none_or(|model| !model.supports_burn_mode())
4160        {
4161            return None;
4162        }
4163
4164        let active_completion_mode = thread.completion_mode();
4165        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4166        let icon = if burn_mode_enabled {
4167            IconName::ZedBurnModeOn
4168        } else {
4169            IconName::ZedBurnMode
4170        };
4171
4172        Some(
4173            IconButton::new("burn-mode", icon)
4174                .icon_size(IconSize::Small)
4175                .icon_color(Color::Muted)
4176                .toggle_state(burn_mode_enabled)
4177                .selected_icon_color(Color::Error)
4178                .on_click(cx.listener(|this, _event, window, cx| {
4179                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4180                }))
4181                .tooltip(move |_window, cx| {
4182                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4183                        .into()
4184                })
4185                .into_any_element(),
4186        )
4187    }
4188
4189    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4190        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4191        let is_generating = self
4192            .thread()
4193            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4194
4195        if self.is_loading_contents {
4196            div()
4197                .id("loading-message-content")
4198                .px_1()
4199                .tooltip(Tooltip::text("Loading Added Context…"))
4200                .child(loading_contents_spinner(IconSize::default()))
4201                .into_any_element()
4202        } else if is_generating && is_editor_empty {
4203            IconButton::new("stop-generation", IconName::Stop)
4204                .icon_color(Color::Error)
4205                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4206                .tooltip(move |_window, cx| {
4207                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4208                })
4209                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4210                .into_any_element()
4211        } else {
4212            let send_btn_tooltip = if is_editor_empty && !is_generating {
4213                "Type to Send"
4214            } else if is_generating {
4215                "Stop and Send Message"
4216            } else {
4217                "Send"
4218            };
4219
4220            IconButton::new("send-message", IconName::Send)
4221                .style(ButtonStyle::Filled)
4222                .map(|this| {
4223                    if is_editor_empty && !is_generating {
4224                        this.disabled(true).icon_color(Color::Muted)
4225                    } else {
4226                        this.icon_color(Color::Accent)
4227                    }
4228                })
4229                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4230                .on_click(cx.listener(|this, _, window, cx| {
4231                    this.send(window, cx);
4232                }))
4233                .into_any_element()
4234        }
4235    }
4236
4237    fn is_following(&self, cx: &App) -> bool {
4238        match self.thread().map(|thread| thread.read(cx).status()) {
4239            Some(ThreadStatus::Generating) => self
4240                .workspace
4241                .read_with(cx, |workspace, _| {
4242                    workspace.is_being_followed(CollaboratorId::Agent)
4243                })
4244                .unwrap_or(false),
4245            _ => self.should_be_following,
4246        }
4247    }
4248
4249    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4250        let following = self.is_following(cx);
4251
4252        self.should_be_following = !following;
4253        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4254            self.workspace
4255                .update(cx, |workspace, cx| {
4256                    if following {
4257                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4258                    } else {
4259                        workspace.follow(CollaboratorId::Agent, window, cx);
4260                    }
4261                })
4262                .ok();
4263        }
4264
4265        telemetry::event!("Follow Agent Selected", following = !following);
4266    }
4267
4268    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4269        let following = self.is_following(cx);
4270
4271        let tooltip_label = if following {
4272            if self.agent.name() == "Zed Agent" {
4273                format!("Stop Following the {}", self.agent.name())
4274            } else {
4275                format!("Stop Following {}", self.agent.name())
4276            }
4277        } else {
4278            if self.agent.name() == "Zed Agent" {
4279                format!("Follow the {}", self.agent.name())
4280            } else {
4281                format!("Follow {}", self.agent.name())
4282            }
4283        };
4284
4285        IconButton::new("follow-agent", IconName::Crosshair)
4286            .icon_size(IconSize::Small)
4287            .icon_color(Color::Muted)
4288            .toggle_state(following)
4289            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4290            .tooltip(move |_window, cx| {
4291                if following {
4292                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4293                } else {
4294                    Tooltip::with_meta(
4295                        tooltip_label.clone(),
4296                        Some(&Follow),
4297                        "Track the agent's location as it reads and edits files.",
4298                        cx,
4299                    )
4300                }
4301            })
4302            .on_click(cx.listener(move |this, _, window, cx| {
4303                this.toggle_following(window, cx);
4304            }))
4305    }
4306
4307    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4308        let workspace = self.workspace.clone();
4309        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4310            Self::open_link(text, &workspace, window, cx);
4311        })
4312    }
4313
4314    fn open_link(
4315        url: SharedString,
4316        workspace: &WeakEntity<Workspace>,
4317        window: &mut Window,
4318        cx: &mut App,
4319    ) {
4320        let Some(workspace) = workspace.upgrade() else {
4321            cx.open_url(&url);
4322            return;
4323        };
4324
4325        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
4326        {
4327            workspace.update(cx, |workspace, cx| match mention {
4328                MentionUri::File { abs_path } => {
4329                    let project = workspace.project();
4330                    let Some(path) =
4331                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4332                    else {
4333                        return;
4334                    };
4335
4336                    workspace
4337                        .open_path(path, None, true, window, cx)
4338                        .detach_and_log_err(cx);
4339                }
4340                MentionUri::PastedImage => {}
4341                MentionUri::Directory { abs_path } => {
4342                    let project = workspace.project();
4343                    let Some(entry_id) = project.update(cx, |project, cx| {
4344                        let path = project.find_project_path(abs_path, cx)?;
4345                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4346                    }) else {
4347                        return;
4348                    };
4349
4350                    project.update(cx, |_, cx| {
4351                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4352                    });
4353                }
4354                MentionUri::Symbol {
4355                    abs_path: path,
4356                    line_range,
4357                    ..
4358                }
4359                | MentionUri::Selection {
4360                    abs_path: Some(path),
4361                    line_range,
4362                } => {
4363                    let project = workspace.project();
4364                    let Some(path) =
4365                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4366                    else {
4367                        return;
4368                    };
4369
4370                    let item = workspace.open_path(path, None, true, window, cx);
4371                    window
4372                        .spawn(cx, async move |cx| {
4373                            let Some(editor) = item.await?.downcast::<Editor>() else {
4374                                return Ok(());
4375                            };
4376                            let range = Point::new(*line_range.start(), 0)
4377                                ..Point::new(*line_range.start(), 0);
4378                            editor
4379                                .update_in(cx, |editor, window, cx| {
4380                                    editor.change_selections(
4381                                        SelectionEffects::scroll(Autoscroll::center()),
4382                                        window,
4383                                        cx,
4384                                        |s| s.select_ranges(vec![range]),
4385                                    );
4386                                })
4387                                .ok();
4388                            anyhow::Ok(())
4389                        })
4390                        .detach_and_log_err(cx);
4391                }
4392                MentionUri::Selection { abs_path: None, .. } => {}
4393                MentionUri::Thread { id, name } => {
4394                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4395                        panel.update(cx, |panel, cx| {
4396                            panel.load_agent_thread(
4397                                DbThreadMetadata {
4398                                    id,
4399                                    title: name.into(),
4400                                    updated_at: Default::default(),
4401                                },
4402                                window,
4403                                cx,
4404                            )
4405                        });
4406                    }
4407                }
4408                MentionUri::TextThread { path, .. } => {
4409                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4410                        panel.update(cx, |panel, cx| {
4411                            panel
4412                                .open_saved_text_thread(path.as_path().into(), window, cx)
4413                                .detach_and_log_err(cx);
4414                        });
4415                    }
4416                }
4417                MentionUri::Rule { id, .. } => {
4418                    let PromptId::User { uuid } = id else {
4419                        return;
4420                    };
4421                    window.dispatch_action(
4422                        Box::new(OpenRulesLibrary {
4423                            prompt_to_select: Some(uuid.0),
4424                        }),
4425                        cx,
4426                    )
4427                }
4428                MentionUri::Fetch { url } => {
4429                    cx.open_url(url.as_str());
4430                }
4431            })
4432        } else {
4433            cx.open_url(&url);
4434        }
4435    }
4436
4437    fn open_tool_call_location(
4438        &self,
4439        entry_ix: usize,
4440        location_ix: usize,
4441        window: &mut Window,
4442        cx: &mut Context<Self>,
4443    ) -> Option<()> {
4444        let (tool_call_location, agent_location) = self
4445            .thread()?
4446            .read(cx)
4447            .entries()
4448            .get(entry_ix)?
4449            .location(location_ix)?;
4450
4451        let project_path = self
4452            .project
4453            .read(cx)
4454            .find_project_path(&tool_call_location.path, cx)?;
4455
4456        let open_task = self
4457            .workspace
4458            .update(cx, |workspace, cx| {
4459                workspace.open_path(project_path, None, true, window, cx)
4460            })
4461            .log_err()?;
4462        window
4463            .spawn(cx, async move |cx| {
4464                let item = open_task.await?;
4465
4466                let Some(active_editor) = item.downcast::<Editor>() else {
4467                    return anyhow::Ok(());
4468                };
4469
4470                active_editor.update_in(cx, |editor, window, cx| {
4471                    let multibuffer = editor.buffer().read(cx);
4472                    let buffer = multibuffer.as_singleton();
4473                    if agent_location.buffer.upgrade() == buffer {
4474                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4475                        let anchor = editor::Anchor::in_buffer(
4476                            excerpt_id.unwrap(),
4477                            buffer.unwrap().read(cx).remote_id(),
4478                            agent_location.position,
4479                        );
4480                        editor.change_selections(Default::default(), window, cx, |selections| {
4481                            selections.select_anchor_ranges([anchor..anchor]);
4482                        })
4483                    } else {
4484                        let row = tool_call_location.line.unwrap_or_default();
4485                        editor.change_selections(Default::default(), window, cx, |selections| {
4486                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4487                        })
4488                    }
4489                })?;
4490
4491                anyhow::Ok(())
4492            })
4493            .detach_and_log_err(cx);
4494
4495        None
4496    }
4497
4498    pub fn open_thread_as_markdown(
4499        &self,
4500        workspace: Entity<Workspace>,
4501        window: &mut Window,
4502        cx: &mut App,
4503    ) -> Task<Result<()>> {
4504        let markdown_language_task = workspace
4505            .read(cx)
4506            .app_state()
4507            .languages
4508            .language_for_name("Markdown");
4509
4510        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4511            let thread = thread.read(cx);
4512            (thread.title().to_string(), thread.to_markdown(cx))
4513        } else {
4514            return Task::ready(Ok(()));
4515        };
4516
4517        window.spawn(cx, async move |cx| {
4518            let markdown_language = markdown_language_task.await?;
4519
4520            workspace.update_in(cx, |workspace, window, cx| {
4521                let project = workspace.project().clone();
4522
4523                if !project.read(cx).is_local() {
4524                    bail!("failed to open active thread as markdown in remote project");
4525                }
4526
4527                let buffer = project.update(cx, |project, cx| {
4528                    project.create_local_buffer(&markdown, Some(markdown_language), true, cx)
4529                });
4530                let buffer = cx.new(|cx| {
4531                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4532                });
4533
4534                workspace.add_item_to_active_pane(
4535                    Box::new(cx.new(|cx| {
4536                        let mut editor =
4537                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4538                        editor.set_breadcrumb_header(thread_summary);
4539                        editor
4540                    })),
4541                    None,
4542                    true,
4543                    window,
4544                    cx,
4545                );
4546
4547                anyhow::Ok(())
4548            })??;
4549            anyhow::Ok(())
4550        })
4551    }
4552
4553    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4554        self.list_state.scroll_to(ListOffset::default());
4555        cx.notify();
4556    }
4557
4558    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4559        if let Some(thread) = self.thread() {
4560            let entry_count = thread.read(cx).entries().len();
4561            self.list_state.reset(entry_count);
4562            cx.notify();
4563        }
4564    }
4565
4566    fn notify_with_sound(
4567        &mut self,
4568        caption: impl Into<SharedString>,
4569        icon: IconName,
4570        window: &mut Window,
4571        cx: &mut Context<Self>,
4572    ) {
4573        self.play_notification_sound(window, cx);
4574        self.show_notification(caption, icon, window, cx);
4575    }
4576
4577    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4578        let settings = AgentSettings::get_global(cx);
4579        if settings.play_sound_when_agent_done && !window.is_window_active() {
4580            Audio::play_sound(Sound::AgentDone, cx);
4581        }
4582    }
4583
4584    fn show_notification(
4585        &mut self,
4586        caption: impl Into<SharedString>,
4587        icon: IconName,
4588        window: &mut Window,
4589        cx: &mut Context<Self>,
4590    ) {
4591        if !self.notifications.is_empty() {
4592            return;
4593        }
4594
4595        let settings = AgentSettings::get_global(cx);
4596
4597        let window_is_inactive = !window.is_window_active();
4598        let panel_is_hidden = self
4599            .workspace
4600            .upgrade()
4601            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
4602            .unwrap_or(true);
4603
4604        let should_notify = window_is_inactive || panel_is_hidden;
4605
4606        if !should_notify {
4607            return;
4608        }
4609
4610        // TODO: Change this once we have title summarization for external agents.
4611        let title = self.agent.name();
4612
4613        match settings.notify_when_agent_waiting {
4614            NotifyWhenAgentWaiting::PrimaryScreen => {
4615                if let Some(primary) = cx.primary_display() {
4616                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4617                }
4618            }
4619            NotifyWhenAgentWaiting::AllScreens => {
4620                let caption = caption.into();
4621                for screen in cx.displays() {
4622                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4623                }
4624            }
4625            NotifyWhenAgentWaiting::Never => {
4626                // Don't show anything
4627            }
4628        }
4629    }
4630
4631    fn pop_up(
4632        &mut self,
4633        icon: IconName,
4634        caption: SharedString,
4635        title: SharedString,
4636        window: &mut Window,
4637        screen: Rc<dyn PlatformDisplay>,
4638        cx: &mut Context<Self>,
4639    ) {
4640        let options = AgentNotification::window_options(screen, cx);
4641
4642        let project_name = self.workspace.upgrade().and_then(|workspace| {
4643            workspace
4644                .read(cx)
4645                .project()
4646                .read(cx)
4647                .visible_worktrees(cx)
4648                .next()
4649                .map(|worktree| worktree.read(cx).root_name_str().to_string())
4650        });
4651
4652        if let Some(screen_window) = cx
4653            .open_window(options, |_, cx| {
4654                cx.new(|_| {
4655                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4656                })
4657            })
4658            .log_err()
4659            && let Some(pop_up) = screen_window.entity(cx).log_err()
4660        {
4661            self.notification_subscriptions
4662                .entry(screen_window)
4663                .or_insert_with(Vec::new)
4664                .push(cx.subscribe_in(&pop_up, window, {
4665                    |this, _, event, window, cx| match event {
4666                        AgentNotificationEvent::Accepted => {
4667                            let handle = window.window_handle();
4668                            cx.activate(true);
4669
4670                            let workspace_handle = this.workspace.clone();
4671
4672                            // If there are multiple Zed windows, activate the correct one.
4673                            cx.defer(move |cx| {
4674                                handle
4675                                    .update(cx, |_view, window, _cx| {
4676                                        window.activate_window();
4677
4678                                        if let Some(workspace) = workspace_handle.upgrade() {
4679                                            workspace.update(_cx, |workspace, cx| {
4680                                                workspace.focus_panel::<AgentPanel>(window, cx);
4681                                            });
4682                                        }
4683                                    })
4684                                    .log_err();
4685                            });
4686
4687                            this.dismiss_notifications(cx);
4688                        }
4689                        AgentNotificationEvent::Dismissed => {
4690                            this.dismiss_notifications(cx);
4691                        }
4692                    }
4693                }));
4694
4695            self.notifications.push(screen_window);
4696
4697            // If the user manually refocuses the original window, dismiss the popup.
4698            self.notification_subscriptions
4699                .entry(screen_window)
4700                .or_insert_with(Vec::new)
4701                .push({
4702                    let pop_up_weak = pop_up.downgrade();
4703
4704                    cx.observe_window_activation(window, move |_, window, cx| {
4705                        if window.is_window_active()
4706                            && let Some(pop_up) = pop_up_weak.upgrade()
4707                        {
4708                            pop_up.update(cx, |_, cx| {
4709                                cx.emit(AgentNotificationEvent::Dismissed);
4710                            });
4711                        }
4712                    })
4713                });
4714        }
4715    }
4716
4717    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4718        for window in self.notifications.drain(..) {
4719            window
4720                .update(cx, |_, window, _| {
4721                    window.remove_window();
4722                })
4723                .ok();
4724
4725            self.notification_subscriptions.remove(&window);
4726        }
4727    }
4728
4729    fn render_thread_controls(
4730        &self,
4731        thread: &Entity<AcpThread>,
4732        cx: &Context<Self>,
4733    ) -> impl IntoElement {
4734        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4735        if is_generating {
4736            return h_flex().id("thread-controls-container").child(
4737                div()
4738                    .py_2()
4739                    .px(rems_from_px(22.))
4740                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4741            );
4742        }
4743
4744        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4745            .shape(ui::IconButtonShape::Square)
4746            .icon_size(IconSize::Small)
4747            .icon_color(Color::Ignored)
4748            .tooltip(Tooltip::text("Open Thread as Markdown"))
4749            .on_click(cx.listener(move |this, _, window, cx| {
4750                if let Some(workspace) = this.workspace.upgrade() {
4751                    this.open_thread_as_markdown(workspace, window, cx)
4752                        .detach_and_log_err(cx);
4753                }
4754            }));
4755
4756        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4757            .shape(ui::IconButtonShape::Square)
4758            .icon_size(IconSize::Small)
4759            .icon_color(Color::Ignored)
4760            .tooltip(Tooltip::text("Scroll To Top"))
4761            .on_click(cx.listener(move |this, _, _, cx| {
4762                this.scroll_to_top(cx);
4763            }));
4764
4765        let mut container = h_flex()
4766            .id("thread-controls-container")
4767            .group("thread-controls-container")
4768            .w_full()
4769            .py_2()
4770            .px_5()
4771            .gap_px()
4772            .opacity(0.6)
4773            .hover(|style| style.opacity(1.))
4774            .flex_wrap()
4775            .justify_end();
4776
4777        if AgentSettings::get_global(cx).enable_feedback
4778            && self
4779                .thread()
4780                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4781        {
4782            let feedback = self.thread_feedback.feedback;
4783
4784            container = container
4785                .child(
4786                    div().visible_on_hover("thread-controls-container").child(
4787                        Label::new(match feedback {
4788                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4789                            Some(ThreadFeedback::Negative) => {
4790                                "We appreciate your feedback and will use it to improve."
4791                            }
4792                            None => {
4793                                "Rating the thread sends all of your current conversation to the Zed team."
4794                            }
4795                        })
4796                        .color(Color::Muted)
4797                        .size(LabelSize::XSmall)
4798                        .truncate(),
4799                    ),
4800                )
4801                .child(
4802                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4803                        .shape(ui::IconButtonShape::Square)
4804                        .icon_size(IconSize::Small)
4805                        .icon_color(match feedback {
4806                            Some(ThreadFeedback::Positive) => Color::Accent,
4807                            _ => Color::Ignored,
4808                        })
4809                        .tooltip(Tooltip::text("Helpful Response"))
4810                        .on_click(cx.listener(move |this, _, window, cx| {
4811                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4812                        })),
4813                )
4814                .child(
4815                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4816                        .shape(ui::IconButtonShape::Square)
4817                        .icon_size(IconSize::Small)
4818                        .icon_color(match feedback {
4819                            Some(ThreadFeedback::Negative) => Color::Accent,
4820                            _ => Color::Ignored,
4821                        })
4822                        .tooltip(Tooltip::text("Not Helpful"))
4823                        .on_click(cx.listener(move |this, _, window, cx| {
4824                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4825                        })),
4826                );
4827        }
4828
4829        container.child(open_as_markdown).child(scroll_to_top)
4830    }
4831
4832    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4833        h_flex()
4834            .key_context("AgentFeedbackMessageEditor")
4835            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4836                this.thread_feedback.dismiss_comments();
4837                cx.notify();
4838            }))
4839            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4840                this.submit_feedback_message(cx);
4841            }))
4842            .p_2()
4843            .mb_2()
4844            .mx_5()
4845            .gap_1()
4846            .rounded_md()
4847            .border_1()
4848            .border_color(cx.theme().colors().border)
4849            .bg(cx.theme().colors().editor_background)
4850            .child(div().w_full().child(editor))
4851            .child(
4852                h_flex()
4853                    .child(
4854                        IconButton::new("dismiss-feedback-message", IconName::Close)
4855                            .icon_color(Color::Error)
4856                            .icon_size(IconSize::XSmall)
4857                            .shape(ui::IconButtonShape::Square)
4858                            .on_click(cx.listener(move |this, _, _window, cx| {
4859                                this.thread_feedback.dismiss_comments();
4860                                cx.notify();
4861                            })),
4862                    )
4863                    .child(
4864                        IconButton::new("submit-feedback-message", IconName::Return)
4865                            .icon_size(IconSize::XSmall)
4866                            .shape(ui::IconButtonShape::Square)
4867                            .on_click(cx.listener(move |this, _, _window, cx| {
4868                                this.submit_feedback_message(cx);
4869                            })),
4870                    ),
4871            )
4872    }
4873
4874    fn handle_feedback_click(
4875        &mut self,
4876        feedback: ThreadFeedback,
4877        window: &mut Window,
4878        cx: &mut Context<Self>,
4879    ) {
4880        let Some(thread) = self.thread().cloned() else {
4881            return;
4882        };
4883
4884        self.thread_feedback.submit(thread, feedback, window, cx);
4885        cx.notify();
4886    }
4887
4888    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4889        let Some(thread) = self.thread().cloned() else {
4890            return;
4891        };
4892
4893        self.thread_feedback.submit_comments(thread, cx);
4894        cx.notify();
4895    }
4896
4897    fn render_token_limit_callout(
4898        &self,
4899        line_height: Pixels,
4900        cx: &mut Context<Self>,
4901    ) -> Option<Callout> {
4902        let token_usage = self.thread()?.read(cx).token_usage()?;
4903        let ratio = token_usage.ratio();
4904
4905        let (severity, title) = match ratio {
4906            acp_thread::TokenUsageRatio::Normal => return None,
4907            acp_thread::TokenUsageRatio::Warning => {
4908                (Severity::Warning, "Thread reaching the token limit soon")
4909            }
4910            acp_thread::TokenUsageRatio::Exceeded => {
4911                (Severity::Error, "Thread reached the token limit")
4912            }
4913        };
4914
4915        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4916            thread.read(cx).completion_mode() == CompletionMode::Normal
4917                && thread
4918                    .read(cx)
4919                    .model()
4920                    .is_some_and(|model| model.supports_burn_mode())
4921        });
4922
4923        let description = if burn_mode_available {
4924            "To continue, start a new thread from a summary or turn Burn Mode on."
4925        } else {
4926            "To continue, start a new thread from a summary."
4927        };
4928
4929        Some(
4930            Callout::new()
4931                .severity(severity)
4932                .line_height(line_height)
4933                .title(title)
4934                .description(description)
4935                .actions_slot(
4936                    h_flex()
4937                        .gap_0p5()
4938                        .child(
4939                            Button::new("start-new-thread", "Start New Thread")
4940                                .label_size(LabelSize::Small)
4941                                .on_click(cx.listener(|this, _, window, cx| {
4942                                    let Some(thread) = this.thread() else {
4943                                        return;
4944                                    };
4945                                    let session_id = thread.read(cx).session_id().clone();
4946                                    window.dispatch_action(
4947                                        crate::NewNativeAgentThreadFromSummary {
4948                                            from_session_id: session_id,
4949                                        }
4950                                        .boxed_clone(),
4951                                        cx,
4952                                    );
4953                                })),
4954                        )
4955                        .when(burn_mode_available, |this| {
4956                            this.child(
4957                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4958                                    .icon_size(IconSize::XSmall)
4959                                    .on_click(cx.listener(|this, _event, window, cx| {
4960                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4961                                    })),
4962                            )
4963                        }),
4964                ),
4965        )
4966    }
4967
4968    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4969        if !self.is_using_zed_ai_models(cx) {
4970            return None;
4971        }
4972
4973        let user_store = self.project.read(cx).user_store().read(cx);
4974        if user_store.is_usage_based_billing_enabled() {
4975            return None;
4976        }
4977
4978        let plan = user_store
4979            .plan()
4980            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
4981
4982        let usage = user_store.model_request_usage()?;
4983
4984        Some(
4985            div()
4986                .child(UsageCallout::new(plan, usage))
4987                .line_height(line_height),
4988        )
4989    }
4990
4991    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4992        self.entry_view_state.update(cx, |entry_view_state, cx| {
4993            entry_view_state.agent_ui_font_size_changed(cx);
4994        });
4995    }
4996
4997    pub(crate) fn insert_dragged_files(
4998        &self,
4999        paths: Vec<project::ProjectPath>,
5000        added_worktrees: Vec<Entity<project::Worktree>>,
5001        window: &mut Window,
5002        cx: &mut Context<Self>,
5003    ) {
5004        self.message_editor.update(cx, |message_editor, cx| {
5005            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5006        })
5007    }
5008
5009    /// Inserts the selected text into the message editor or the message being
5010    /// edited, if any.
5011    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5012        self.active_editor(cx).update(cx, |editor, cx| {
5013            editor.insert_selections(window, cx);
5014        });
5015    }
5016
5017    fn render_thread_retry_status_callout(
5018        &self,
5019        _window: &mut Window,
5020        _cx: &mut Context<Self>,
5021    ) -> Option<Callout> {
5022        let state = self.thread_retry_status.as_ref()?;
5023
5024        let next_attempt_in = state
5025            .duration
5026            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5027        if next_attempt_in.is_zero() {
5028            return None;
5029        }
5030
5031        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5032
5033        let retry_message = if state.max_attempts == 1 {
5034            if next_attempt_in_secs == 1 {
5035                "Retrying. Next attempt in 1 second.".to_string()
5036            } else {
5037                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5038            }
5039        } else if next_attempt_in_secs == 1 {
5040            format!(
5041                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5042                state.attempt, state.max_attempts,
5043            )
5044        } else {
5045            format!(
5046                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5047                state.attempt, state.max_attempts,
5048            )
5049        };
5050
5051        Some(
5052            Callout::new()
5053                .severity(Severity::Warning)
5054                .title(state.last_error.clone())
5055                .description(retry_message),
5056        )
5057    }
5058
5059    #[cfg(target_os = "windows")]
5060    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Option<Callout> {
5061        if self.show_codex_windows_warning {
5062            Some(
5063                Callout::new()
5064                    .icon(IconName::Warning)
5065                    .severity(Severity::Warning)
5066                    .title("Codex on Windows")
5067                    .description(
5068                        "For best performance, run Codex in Windows Subsystem for Linux (WSL2)",
5069                    )
5070                    .actions_slot(
5071                        Button::new("open-wsl-modal", "Open in WSL")
5072                            .icon_size(IconSize::Small)
5073                            .icon_color(Color::Muted)
5074                            .on_click(cx.listener({
5075                                move |_, _, window, cx| {
5076                                    window.dispatch_action(
5077                                        zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5078                                        cx,
5079                                    );
5080                                    cx.notify();
5081                                }
5082                            })),
5083                    )
5084                    .dismiss_action(
5085                        IconButton::new("dismiss", IconName::Close)
5086                            .icon_size(IconSize::Small)
5087                            .icon_color(Color::Muted)
5088                            .tooltip(Tooltip::text("Dismiss Warning"))
5089                            .on_click(cx.listener({
5090                                move |this, _, _, cx| {
5091                                    this.show_codex_windows_warning = false;
5092                                    cx.notify();
5093                                }
5094                            })),
5095                    ),
5096            )
5097        } else {
5098            None
5099        }
5100    }
5101
5102    fn render_thread_error(&self, cx: &mut Context<Self>) -> Option<Div> {
5103        let content = match self.thread_error.as_ref()? {
5104            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
5105            ThreadError::Refusal => self.render_refusal_error(cx),
5106            ThreadError::AuthenticationRequired(error) => {
5107                self.render_authentication_required_error(error.clone(), cx)
5108            }
5109            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5110            ThreadError::ModelRequestLimitReached(plan) => {
5111                self.render_model_request_limit_reached_error(*plan, cx)
5112            }
5113            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5114        };
5115
5116        Some(div().child(content))
5117    }
5118
5119    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5120        v_flex().w_full().justify_end().child(
5121            h_flex()
5122                .p_2()
5123                .pr_3()
5124                .w_full()
5125                .gap_1p5()
5126                .border_t_1()
5127                .border_color(cx.theme().colors().border)
5128                .bg(cx.theme().colors().element_background)
5129                .child(
5130                    h_flex()
5131                        .flex_1()
5132                        .gap_1p5()
5133                        .child(
5134                            Icon::new(IconName::Download)
5135                                .color(Color::Accent)
5136                                .size(IconSize::Small),
5137                        )
5138                        .child(Label::new("New version available").size(LabelSize::Small)),
5139                )
5140                .child(
5141                    Button::new("update-button", format!("Update to v{}", version))
5142                        .label_size(LabelSize::Small)
5143                        .style(ButtonStyle::Tinted(TintColor::Accent))
5144                        .on_click(cx.listener(|this, _, window, cx| {
5145                            this.reset(window, cx);
5146                        })),
5147                ),
5148        )
5149    }
5150
5151    fn get_current_model_name(&self, cx: &App) -> SharedString {
5152        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5153        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5154        // This provides better clarity about what refused the request
5155        if self
5156            .agent
5157            .clone()
5158            .downcast::<agent::NativeAgentServer>()
5159            .is_some()
5160        {
5161            // Native agent - use the model name
5162            self.model_selector
5163                .as_ref()
5164                .and_then(|selector| selector.read(cx).active_model_name(cx))
5165                .unwrap_or_else(|| SharedString::from("The model"))
5166        } else {
5167            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5168            self.agent.name()
5169        }
5170    }
5171
5172    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5173        let model_or_agent_name = self.get_current_model_name(cx);
5174        let refusal_message = format!(
5175            "{} 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.",
5176            model_or_agent_name
5177        );
5178
5179        Callout::new()
5180            .severity(Severity::Error)
5181            .title("Request Refused")
5182            .icon(IconName::XCircle)
5183            .description(refusal_message.clone())
5184            .actions_slot(self.create_copy_button(&refusal_message))
5185            .dismiss_action(self.dismiss_error_button(cx))
5186    }
5187
5188    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
5189        let can_resume = self
5190            .thread()
5191            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5192
5193        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5194            let thread = thread.read(cx);
5195            let supports_burn_mode = thread
5196                .model()
5197                .map_or(false, |model| model.supports_burn_mode());
5198            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5199        });
5200
5201        Callout::new()
5202            .severity(Severity::Error)
5203            .title("Error")
5204            .icon(IconName::XCircle)
5205            .description(error.clone())
5206            .actions_slot(
5207                h_flex()
5208                    .gap_0p5()
5209                    .when(can_resume && can_enable_burn_mode, |this| {
5210                        this.child(
5211                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5212                                .icon(IconName::ZedBurnMode)
5213                                .icon_position(IconPosition::Start)
5214                                .icon_size(IconSize::Small)
5215                                .label_size(LabelSize::Small)
5216                                .on_click(cx.listener(|this, _, window, cx| {
5217                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5218                                    this.resume_chat(cx);
5219                                })),
5220                        )
5221                    })
5222                    .when(can_resume, |this| {
5223                        this.child(
5224                            Button::new("retry", "Retry")
5225                                .icon(IconName::RotateCw)
5226                                .icon_position(IconPosition::Start)
5227                                .icon_size(IconSize::Small)
5228                                .label_size(LabelSize::Small)
5229                                .on_click(cx.listener(|this, _, _window, cx| {
5230                                    this.resume_chat(cx);
5231                                })),
5232                        )
5233                    })
5234                    .child(self.create_copy_button(error.to_string())),
5235            )
5236            .dismiss_action(self.dismiss_error_button(cx))
5237    }
5238
5239    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5240        const ERROR_MESSAGE: &str =
5241            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5242
5243        Callout::new()
5244            .severity(Severity::Error)
5245            .icon(IconName::XCircle)
5246            .title("Free Usage Exceeded")
5247            .description(ERROR_MESSAGE)
5248            .actions_slot(
5249                h_flex()
5250                    .gap_0p5()
5251                    .child(self.upgrade_button(cx))
5252                    .child(self.create_copy_button(ERROR_MESSAGE)),
5253            )
5254            .dismiss_action(self.dismiss_error_button(cx))
5255    }
5256
5257    fn render_authentication_required_error(
5258        &self,
5259        error: SharedString,
5260        cx: &mut Context<Self>,
5261    ) -> Callout {
5262        Callout::new()
5263            .severity(Severity::Error)
5264            .title("Authentication Required")
5265            .icon(IconName::XCircle)
5266            .description(error.clone())
5267            .actions_slot(
5268                h_flex()
5269                    .gap_0p5()
5270                    .child(self.authenticate_button(cx))
5271                    .child(self.create_copy_button(error)),
5272            )
5273            .dismiss_action(self.dismiss_error_button(cx))
5274    }
5275
5276    fn render_model_request_limit_reached_error(
5277        &self,
5278        plan: cloud_llm_client::Plan,
5279        cx: &mut Context<Self>,
5280    ) -> Callout {
5281        let error_message = match plan {
5282            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5283                "Upgrade to usage-based billing for more prompts."
5284            }
5285            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5286            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5287            cloud_llm_client::Plan::V2(_) => "",
5288        };
5289
5290        Callout::new()
5291            .severity(Severity::Error)
5292            .title("Model Prompt Limit Reached")
5293            .icon(IconName::XCircle)
5294            .description(error_message)
5295            .actions_slot(
5296                h_flex()
5297                    .gap_0p5()
5298                    .child(self.upgrade_button(cx))
5299                    .child(self.create_copy_button(error_message)),
5300            )
5301            .dismiss_action(self.dismiss_error_button(cx))
5302    }
5303
5304    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5305        let thread = self.as_native_thread(cx)?;
5306        let supports_burn_mode = thread
5307            .read(cx)
5308            .model()
5309            .is_some_and(|model| model.supports_burn_mode());
5310
5311        let focus_handle = self.focus_handle(cx);
5312
5313        Some(
5314            Callout::new()
5315                .icon(IconName::Info)
5316                .title("Consecutive tool use limit reached.")
5317                .actions_slot(
5318                    h_flex()
5319                        .gap_0p5()
5320                        .when(supports_burn_mode, |this| {
5321                            this.child(
5322                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5323                                    .style(ButtonStyle::Filled)
5324                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5325                                    .layer(ElevationIndex::ModalSurface)
5326                                    .label_size(LabelSize::Small)
5327                                    .key_binding(
5328                                        KeyBinding::for_action_in(
5329                                            &ContinueWithBurnMode,
5330                                            &focus_handle,
5331                                            cx,
5332                                        )
5333                                        .map(|kb| kb.size(rems_from_px(10.))),
5334                                    )
5335                                    .tooltip(Tooltip::text(
5336                                        "Enable Burn Mode for unlimited tool use.",
5337                                    ))
5338                                    .on_click({
5339                                        cx.listener(move |this, _, _window, cx| {
5340                                            thread.update(cx, |thread, cx| {
5341                                                thread
5342                                                    .set_completion_mode(CompletionMode::Burn, cx);
5343                                            });
5344                                            this.resume_chat(cx);
5345                                        })
5346                                    }),
5347                            )
5348                        })
5349                        .child(
5350                            Button::new("continue-conversation", "Continue")
5351                                .layer(ElevationIndex::ModalSurface)
5352                                .label_size(LabelSize::Small)
5353                                .key_binding(
5354                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5355                                        .map(|kb| kb.size(rems_from_px(10.))),
5356                                )
5357                                .on_click(cx.listener(|this, _, _window, cx| {
5358                                    this.resume_chat(cx);
5359                                })),
5360                        ),
5361                ),
5362        )
5363    }
5364
5365    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5366        let message = message.into();
5367
5368        IconButton::new("copy", IconName::Copy)
5369            .icon_size(IconSize::Small)
5370            .icon_color(Color::Muted)
5371            .tooltip(Tooltip::text("Copy Error Message"))
5372            .on_click(move |_, _, cx| {
5373                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5374            })
5375    }
5376
5377    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5378        IconButton::new("dismiss", IconName::Close)
5379            .icon_size(IconSize::Small)
5380            .icon_color(Color::Muted)
5381            .tooltip(Tooltip::text("Dismiss Error"))
5382            .on_click(cx.listener({
5383                move |this, _, _, cx| {
5384                    this.clear_thread_error(cx);
5385                    cx.notify();
5386                }
5387            }))
5388    }
5389
5390    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5391        Button::new("authenticate", "Authenticate")
5392            .label_size(LabelSize::Small)
5393            .style(ButtonStyle::Filled)
5394            .on_click(cx.listener({
5395                move |this, _, window, cx| {
5396                    let agent = this.agent.clone();
5397                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5398                        return;
5399                    };
5400
5401                    let connection = thread.read(cx).connection().clone();
5402                    let err = AuthRequired {
5403                        description: None,
5404                        provider_id: None,
5405                    };
5406                    this.clear_thread_error(cx);
5407                    let this = cx.weak_entity();
5408                    window.defer(cx, |window, cx| {
5409                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5410                    })
5411                }
5412            }))
5413    }
5414
5415    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5416        let agent = self.agent.clone();
5417        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5418            return;
5419        };
5420
5421        let connection = thread.read(cx).connection().clone();
5422        let err = AuthRequired {
5423            description: None,
5424            provider_id: None,
5425        };
5426        self.clear_thread_error(cx);
5427        let this = cx.weak_entity();
5428        window.defer(cx, |window, cx| {
5429            Self::handle_auth_required(this, err, agent, connection, window, cx);
5430        })
5431    }
5432
5433    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5434        Button::new("upgrade", "Upgrade")
5435            .label_size(LabelSize::Small)
5436            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5437            .on_click(cx.listener({
5438                move |this, _, _, cx| {
5439                    this.clear_thread_error(cx);
5440                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5441                }
5442            }))
5443    }
5444
5445    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5446        let task = match entry {
5447            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5448                history.delete_thread(thread.id.clone(), cx)
5449            }),
5450            HistoryEntry::TextThread(text_thread) => {
5451                self.history_store.update(cx, |history, cx| {
5452                    history.delete_text_thread(text_thread.path.clone(), cx)
5453                })
5454            }
5455        };
5456        task.detach_and_log_err(cx);
5457    }
5458
5459    /// Returns the currently active editor, either for a message that is being
5460    /// edited or the editor for a new message.
5461    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5462        if let Some(index) = self.editing_message
5463            && let Some(editor) = self
5464                .entry_view_state
5465                .read(cx)
5466                .entry(index)
5467                .and_then(|e| e.message_editor())
5468                .cloned()
5469        {
5470            editor
5471        } else {
5472            self.message_editor.clone()
5473        }
5474    }
5475}
5476
5477fn loading_contents_spinner(size: IconSize) -> AnyElement {
5478    Icon::new(IconName::LoadCircle)
5479        .size(size)
5480        .color(Color::Accent)
5481        .with_rotate_animation(3)
5482        .into_any_element()
5483}
5484
5485impl Focusable for AcpThreadView {
5486    fn focus_handle(&self, cx: &App) -> FocusHandle {
5487        match self.thread_state {
5488            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5489                self.active_editor(cx).focus_handle(cx)
5490            }
5491            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5492                self.focus_handle.clone()
5493            }
5494        }
5495    }
5496}
5497
5498impl Render for AcpThreadView {
5499    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5500        let has_messages = self.list_state.item_count() > 0;
5501        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5502
5503        v_flex()
5504            .size_full()
5505            .key_context("AcpThread")
5506            .on_action(cx.listener(Self::toggle_burn_mode))
5507            .on_action(cx.listener(Self::keep_all))
5508            .on_action(cx.listener(Self::reject_all))
5509            .on_action(cx.listener(Self::allow_always))
5510            .on_action(cx.listener(Self::allow_once))
5511            .on_action(cx.listener(Self::reject_once))
5512            .track_focus(&self.focus_handle)
5513            .bg(cx.theme().colors().panel_background)
5514            .child(match &self.thread_state {
5515                ThreadState::Unauthenticated {
5516                    connection,
5517                    description,
5518                    configuration_view,
5519                    pending_auth_method,
5520                    ..
5521                } => self
5522                    .render_auth_required_state(
5523                        connection,
5524                        description.as_ref(),
5525                        configuration_view.as_ref(),
5526                        pending_auth_method.as_ref(),
5527                        window,
5528                        cx,
5529                    )
5530                    .into_any(),
5531                ThreadState::Loading { .. } => v_flex()
5532                    .flex_1()
5533                    .child(self.render_recent_history(cx))
5534                    .into_any(),
5535                ThreadState::LoadError(e) => v_flex()
5536                    .flex_1()
5537                    .size_full()
5538                    .items_center()
5539                    .justify_end()
5540                    .child(self.render_load_error(e, window, cx))
5541                    .into_any(),
5542                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5543                    if has_messages {
5544                        this.child(
5545                            list(
5546                                self.list_state.clone(),
5547                                cx.processor(|this, index: usize, window, cx| {
5548                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5549                                        let entries = &thread.read(cx).entries();
5550                                        Some((entries.get(index)?, entries.len()))
5551                                    }) else {
5552                                        return Empty.into_any();
5553                                    };
5554                                    this.render_entry(index, len, entry, window, cx)
5555                                }),
5556                            )
5557                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5558                            .flex_grow()
5559                            .into_any(),
5560                        )
5561                        .vertical_scrollbar_for(self.list_state.clone(), window, cx)
5562                        .into_any()
5563                    } else {
5564                        this.child(self.render_recent_history(cx)).into_any()
5565                    }
5566                }),
5567            })
5568            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5569            // above so that the scrollbar doesn't render behind it. The current setup allows
5570            // the scrollbar to stop exactly at the activity bar start.
5571            .when(has_messages, |this| match &self.thread_state {
5572                ThreadState::Ready { thread, .. } => {
5573                    this.children(self.render_activity_bar(thread, window, cx))
5574                }
5575                _ => this,
5576            })
5577            .children(self.render_thread_retry_status_callout(window, cx))
5578            .children({
5579                #[cfg(target_os = "windows")]
5580                {
5581                    self.render_codex_windows_warning(cx)
5582                }
5583                #[cfg(not(target_os = "windows"))]
5584                {
5585                    Vec::<Empty>::new()
5586                }
5587            })
5588            .children(self.render_thread_error(cx))
5589            .when_some(
5590                self.new_server_version_available.as_ref().filter(|_| {
5591                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5592                }),
5593                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5594            )
5595            .children(
5596                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5597                    Some(usage_callout.into_any_element())
5598                } else {
5599                    self.render_token_limit_callout(line_height, cx)
5600                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5601                },
5602            )
5603            .child(self.render_message_editor(window, cx))
5604    }
5605}
5606
5607fn default_markdown_style(
5608    buffer_font: bool,
5609    muted_text: bool,
5610    window: &Window,
5611    cx: &App,
5612) -> MarkdownStyle {
5613    let theme_settings = ThemeSettings::get_global(cx);
5614    let colors = cx.theme().colors();
5615
5616    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
5617
5618    let mut text_style = window.text_style();
5619    let line_height = buffer_font_size * 1.75;
5620
5621    let font_family = if buffer_font {
5622        theme_settings.buffer_font.family.clone()
5623    } else {
5624        theme_settings.ui_font.family.clone()
5625    };
5626
5627    let font_size = if buffer_font {
5628        theme_settings.agent_buffer_font_size(cx)
5629    } else {
5630        theme_settings.agent_ui_font_size(cx)
5631    };
5632
5633    let text_color = if muted_text {
5634        colors.text_muted
5635    } else {
5636        colors.text
5637    };
5638
5639    text_style.refine(&TextStyleRefinement {
5640        font_family: Some(font_family),
5641        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5642        font_features: Some(theme_settings.ui_font.features.clone()),
5643        font_size: Some(font_size.into()),
5644        line_height: Some(line_height.into()),
5645        color: Some(text_color),
5646        ..Default::default()
5647    });
5648
5649    MarkdownStyle {
5650        base_text_style: text_style.clone(),
5651        syntax: cx.theme().syntax().clone(),
5652        selection_background_color: colors.element_selection_background,
5653        code_block_overflow_x_scroll: true,
5654        table_overflow_x_scroll: true,
5655        heading_level_styles: Some(HeadingLevelStyles {
5656            h1: Some(TextStyleRefinement {
5657                font_size: Some(rems(1.15).into()),
5658                ..Default::default()
5659            }),
5660            h2: Some(TextStyleRefinement {
5661                font_size: Some(rems(1.1).into()),
5662                ..Default::default()
5663            }),
5664            h3: Some(TextStyleRefinement {
5665                font_size: Some(rems(1.05).into()),
5666                ..Default::default()
5667            }),
5668            h4: Some(TextStyleRefinement {
5669                font_size: Some(rems(1.).into()),
5670                ..Default::default()
5671            }),
5672            h5: Some(TextStyleRefinement {
5673                font_size: Some(rems(0.95).into()),
5674                ..Default::default()
5675            }),
5676            h6: Some(TextStyleRefinement {
5677                font_size: Some(rems(0.875).into()),
5678                ..Default::default()
5679            }),
5680        }),
5681        code_block: StyleRefinement {
5682            padding: EdgesRefinement {
5683                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5684                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5685                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5686                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5687            },
5688            margin: EdgesRefinement {
5689                top: Some(Length::Definite(px(8.).into())),
5690                left: Some(Length::Definite(px(0.).into())),
5691                right: Some(Length::Definite(px(0.).into())),
5692                bottom: Some(Length::Definite(px(12.).into())),
5693            },
5694            border_style: Some(BorderStyle::Solid),
5695            border_widths: EdgesRefinement {
5696                top: Some(AbsoluteLength::Pixels(px(1.))),
5697                left: Some(AbsoluteLength::Pixels(px(1.))),
5698                right: Some(AbsoluteLength::Pixels(px(1.))),
5699                bottom: Some(AbsoluteLength::Pixels(px(1.))),
5700            },
5701            border_color: Some(colors.border_variant),
5702            background: Some(colors.editor_background.into()),
5703            text: Some(TextStyleRefinement {
5704                font_family: Some(theme_settings.buffer_font.family.clone()),
5705                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5706                font_features: Some(theme_settings.buffer_font.features.clone()),
5707                font_size: Some(buffer_font_size.into()),
5708                ..Default::default()
5709            }),
5710            ..Default::default()
5711        },
5712        inline_code: TextStyleRefinement {
5713            font_family: Some(theme_settings.buffer_font.family.clone()),
5714            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5715            font_features: Some(theme_settings.buffer_font.features.clone()),
5716            font_size: Some(buffer_font_size.into()),
5717            background_color: Some(colors.editor_foreground.opacity(0.08)),
5718            ..Default::default()
5719        },
5720        link: TextStyleRefinement {
5721            background_color: Some(colors.editor_foreground.opacity(0.025)),
5722            underline: Some(UnderlineStyle {
5723                color: Some(colors.text_accent.opacity(0.5)),
5724                thickness: px(1.),
5725                ..Default::default()
5726            }),
5727            ..Default::default()
5728        },
5729        ..Default::default()
5730    }
5731}
5732
5733fn plan_label_markdown_style(
5734    status: &acp::PlanEntryStatus,
5735    window: &Window,
5736    cx: &App,
5737) -> MarkdownStyle {
5738    let default_md_style = default_markdown_style(false, false, window, cx);
5739
5740    MarkdownStyle {
5741        base_text_style: TextStyle {
5742            color: cx.theme().colors().text_muted,
5743            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5744                Some(gpui::StrikethroughStyle {
5745                    thickness: px(1.),
5746                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5747                })
5748            } else {
5749                None
5750            },
5751            ..default_md_style.base_text_style
5752        },
5753        ..default_md_style
5754    }
5755}
5756
5757fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5758    let default_md_style = default_markdown_style(true, false, window, cx);
5759
5760    MarkdownStyle {
5761        base_text_style: TextStyle {
5762            ..default_md_style.base_text_style
5763        },
5764        selection_background_color: cx.theme().colors().element_selection_background,
5765        ..Default::default()
5766    }
5767}
5768
5769#[cfg(test)]
5770pub(crate) mod tests {
5771    use acp_thread::StubAgentConnection;
5772    use agent_client_protocol::SessionId;
5773    use assistant_text_thread::TextThreadStore;
5774    use editor::EditorSettings;
5775    use fs::FakeFs;
5776    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5777    use project::Project;
5778    use serde_json::json;
5779    use settings::SettingsStore;
5780    use std::any::Any;
5781    use std::path::Path;
5782    use workspace::Item;
5783
5784    use super::*;
5785
5786    #[gpui::test]
5787    async fn test_drop(cx: &mut TestAppContext) {
5788        init_test(cx);
5789
5790        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5791        let weak_view = thread_view.downgrade();
5792        drop(thread_view);
5793        assert!(!weak_view.is_upgradable());
5794    }
5795
5796    #[gpui::test]
5797    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5798        init_test(cx);
5799
5800        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5801
5802        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5803        message_editor.update_in(cx, |editor, window, cx| {
5804            editor.set_text("Hello", window, cx);
5805        });
5806
5807        cx.deactivate_window();
5808
5809        thread_view.update_in(cx, |thread_view, window, cx| {
5810            thread_view.send(window, cx);
5811        });
5812
5813        cx.run_until_parked();
5814
5815        assert!(
5816            cx.windows()
5817                .iter()
5818                .any(|window| window.downcast::<AgentNotification>().is_some())
5819        );
5820    }
5821
5822    #[gpui::test]
5823    async fn test_notification_for_error(cx: &mut TestAppContext) {
5824        init_test(cx);
5825
5826        let (thread_view, cx) =
5827            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5828
5829        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5830        message_editor.update_in(cx, |editor, window, cx| {
5831            editor.set_text("Hello", window, cx);
5832        });
5833
5834        cx.deactivate_window();
5835
5836        thread_view.update_in(cx, |thread_view, window, cx| {
5837            thread_view.send(window, cx);
5838        });
5839
5840        cx.run_until_parked();
5841
5842        assert!(
5843            cx.windows()
5844                .iter()
5845                .any(|window| window.downcast::<AgentNotification>().is_some())
5846        );
5847    }
5848
5849    #[gpui::test]
5850    async fn test_refusal_handling(cx: &mut TestAppContext) {
5851        init_test(cx);
5852
5853        let (thread_view, cx) =
5854            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
5855
5856        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5857        message_editor.update_in(cx, |editor, window, cx| {
5858            editor.set_text("Do something harmful", window, cx);
5859        });
5860
5861        thread_view.update_in(cx, |thread_view, window, cx| {
5862            thread_view.send(window, cx);
5863        });
5864
5865        cx.run_until_parked();
5866
5867        // Check that the refusal error is set
5868        thread_view.read_with(cx, |thread_view, _cx| {
5869            assert!(
5870                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5871                "Expected refusal error to be set"
5872            );
5873        });
5874    }
5875
5876    #[gpui::test]
5877    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5878        init_test(cx);
5879
5880        let tool_call_id = acp::ToolCallId("1".into());
5881        let tool_call = acp::ToolCall {
5882            id: tool_call_id.clone(),
5883            title: "Label".into(),
5884            kind: acp::ToolKind::Edit,
5885            status: acp::ToolCallStatus::Pending,
5886            content: vec!["hi".into()],
5887            locations: vec![],
5888            raw_input: None,
5889            raw_output: None,
5890            meta: None,
5891        };
5892        let connection =
5893            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5894                tool_call_id,
5895                vec![acp::PermissionOption {
5896                    id: acp::PermissionOptionId("1".into()),
5897                    name: "Allow".into(),
5898                    kind: acp::PermissionOptionKind::AllowOnce,
5899                    meta: None,
5900                }],
5901            )]));
5902
5903        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5904
5905        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5906
5907        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5908        message_editor.update_in(cx, |editor, window, cx| {
5909            editor.set_text("Hello", window, cx);
5910        });
5911
5912        cx.deactivate_window();
5913
5914        thread_view.update_in(cx, |thread_view, window, cx| {
5915            thread_view.send(window, cx);
5916        });
5917
5918        cx.run_until_parked();
5919
5920        assert!(
5921            cx.windows()
5922                .iter()
5923                .any(|window| window.downcast::<AgentNotification>().is_some())
5924        );
5925    }
5926
5927    #[gpui::test]
5928    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
5929        init_test(cx);
5930
5931        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5932
5933        add_to_workspace(thread_view.clone(), cx);
5934
5935        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5936
5937        message_editor.update_in(cx, |editor, window, cx| {
5938            editor.set_text("Hello", window, cx);
5939        });
5940
5941        // Window is active (don't deactivate), but panel will be hidden
5942        // Note: In the test environment, the panel is not actually added to the dock,
5943        // so is_agent_panel_hidden will return true
5944
5945        thread_view.update_in(cx, |thread_view, window, cx| {
5946            thread_view.send(window, cx);
5947        });
5948
5949        cx.run_until_parked();
5950
5951        // Should show notification because window is active but panel is hidden
5952        assert!(
5953            cx.windows()
5954                .iter()
5955                .any(|window| window.downcast::<AgentNotification>().is_some()),
5956            "Expected notification when panel is hidden"
5957        );
5958    }
5959
5960    #[gpui::test]
5961    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
5962        init_test(cx);
5963
5964        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5965
5966        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5967        message_editor.update_in(cx, |editor, window, cx| {
5968            editor.set_text("Hello", window, cx);
5969        });
5970
5971        // Deactivate window - should show notification regardless of setting
5972        cx.deactivate_window();
5973
5974        thread_view.update_in(cx, |thread_view, window, cx| {
5975            thread_view.send(window, cx);
5976        });
5977
5978        cx.run_until_parked();
5979
5980        // Should still show notification when window is inactive (existing behavior)
5981        assert!(
5982            cx.windows()
5983                .iter()
5984                .any(|window| window.downcast::<AgentNotification>().is_some()),
5985            "Expected notification when window is inactive"
5986        );
5987    }
5988
5989    #[gpui::test]
5990    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
5991        init_test(cx);
5992
5993        // Set notify_when_agent_waiting to Never
5994        cx.update(|cx| {
5995            AgentSettings::override_global(
5996                AgentSettings {
5997                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5998                    ..AgentSettings::get_global(cx).clone()
5999                },
6000                cx,
6001            );
6002        });
6003
6004        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6005
6006        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6007        message_editor.update_in(cx, |editor, window, cx| {
6008            editor.set_text("Hello", window, cx);
6009        });
6010
6011        // Window is active
6012
6013        thread_view.update_in(cx, |thread_view, window, cx| {
6014            thread_view.send(window, cx);
6015        });
6016
6017        cx.run_until_parked();
6018
6019        // Should NOT show notification because notify_when_agent_waiting is Never
6020        assert!(
6021            !cx.windows()
6022                .iter()
6023                .any(|window| window.downcast::<AgentNotification>().is_some()),
6024            "Expected no notification when notify_when_agent_waiting is Never"
6025        );
6026    }
6027
6028    async fn setup_thread_view(
6029        agent: impl AgentServer + 'static,
6030        cx: &mut TestAppContext,
6031    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
6032        let fs = FakeFs::new(cx.executor());
6033        let project = Project::test(fs, [], cx).await;
6034        let (workspace, cx) =
6035            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6036
6037        let text_thread_store =
6038            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6039        let history_store =
6040            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6041
6042        let thread_view = cx.update(|window, cx| {
6043            cx.new(|cx| {
6044                AcpThreadView::new(
6045                    Rc::new(agent),
6046                    None,
6047                    None,
6048                    workspace.downgrade(),
6049                    project,
6050                    history_store,
6051                    None,
6052                    window,
6053                    cx,
6054                )
6055            })
6056        });
6057        cx.run_until_parked();
6058        (thread_view, cx)
6059    }
6060
6061    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6062        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6063
6064        workspace
6065            .update_in(cx, |workspace, window, cx| {
6066                workspace.add_item_to_active_pane(
6067                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6068                    None,
6069                    true,
6070                    window,
6071                    cx,
6072                );
6073            })
6074            .unwrap();
6075    }
6076
6077    struct ThreadViewItem(Entity<AcpThreadView>);
6078
6079    impl Item for ThreadViewItem {
6080        type Event = ();
6081
6082        fn include_in_nav_history() -> bool {
6083            false
6084        }
6085
6086        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6087            "Test".into()
6088        }
6089    }
6090
6091    impl EventEmitter<()> for ThreadViewItem {}
6092
6093    impl Focusable for ThreadViewItem {
6094        fn focus_handle(&self, cx: &App) -> FocusHandle {
6095            self.0.read(cx).focus_handle(cx)
6096        }
6097    }
6098
6099    impl Render for ThreadViewItem {
6100        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6101            self.0.clone().into_any_element()
6102        }
6103    }
6104
6105    struct StubAgentServer<C> {
6106        connection: C,
6107    }
6108
6109    impl<C> StubAgentServer<C> {
6110        fn new(connection: C) -> Self {
6111            Self { connection }
6112        }
6113    }
6114
6115    impl StubAgentServer<StubAgentConnection> {
6116        fn default_response() -> Self {
6117            let conn = StubAgentConnection::new();
6118            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6119                acp::ContentChunk {
6120                    content: "Default response".into(),
6121                    meta: None,
6122                },
6123            )]);
6124            Self::new(conn)
6125        }
6126    }
6127
6128    impl<C> AgentServer for StubAgentServer<C>
6129    where
6130        C: 'static + AgentConnection + Send + Clone,
6131    {
6132        fn telemetry_id(&self) -> &'static str {
6133            "test"
6134        }
6135
6136        fn logo(&self) -> ui::IconName {
6137            ui::IconName::Ai
6138        }
6139
6140        fn name(&self) -> SharedString {
6141            "Test".into()
6142        }
6143
6144        fn connect(
6145            &self,
6146            _root_dir: Option<&Path>,
6147            _delegate: AgentServerDelegate,
6148            _cx: &mut App,
6149        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6150            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6151        }
6152
6153        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6154            self
6155        }
6156    }
6157
6158    #[derive(Clone)]
6159    struct SaboteurAgentConnection;
6160
6161    impl AgentConnection for SaboteurAgentConnection {
6162        fn new_thread(
6163            self: Rc<Self>,
6164            project: Entity<Project>,
6165            _cwd: &Path,
6166            cx: &mut gpui::App,
6167        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6168            Task::ready(Ok(cx.new(|cx| {
6169                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6170                AcpThread::new(
6171                    "SaboteurAgentConnection",
6172                    self,
6173                    project,
6174                    action_log,
6175                    SessionId("test".into()),
6176                    watch::Receiver::constant(acp::PromptCapabilities {
6177                        image: true,
6178                        audio: true,
6179                        embedded_context: true,
6180                        meta: None,
6181                    }),
6182                    cx,
6183                )
6184            })))
6185        }
6186
6187        fn auth_methods(&self) -> &[acp::AuthMethod] {
6188            &[]
6189        }
6190
6191        fn authenticate(
6192            &self,
6193            _method_id: acp::AuthMethodId,
6194            _cx: &mut App,
6195        ) -> Task<gpui::Result<()>> {
6196            unimplemented!()
6197        }
6198
6199        fn prompt(
6200            &self,
6201            _id: Option<acp_thread::UserMessageId>,
6202            _params: acp::PromptRequest,
6203            _cx: &mut App,
6204        ) -> Task<gpui::Result<acp::PromptResponse>> {
6205            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6206        }
6207
6208        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6209            unimplemented!()
6210        }
6211
6212        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6213            self
6214        }
6215    }
6216
6217    /// Simulates a model which always returns a refusal response
6218    #[derive(Clone)]
6219    struct RefusalAgentConnection;
6220
6221    impl AgentConnection for RefusalAgentConnection {
6222        fn new_thread(
6223            self: Rc<Self>,
6224            project: Entity<Project>,
6225            _cwd: &Path,
6226            cx: &mut gpui::App,
6227        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6228            Task::ready(Ok(cx.new(|cx| {
6229                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6230                AcpThread::new(
6231                    "RefusalAgentConnection",
6232                    self,
6233                    project,
6234                    action_log,
6235                    SessionId("test".into()),
6236                    watch::Receiver::constant(acp::PromptCapabilities {
6237                        image: true,
6238                        audio: true,
6239                        embedded_context: true,
6240                        meta: None,
6241                    }),
6242                    cx,
6243                )
6244            })))
6245        }
6246
6247        fn auth_methods(&self) -> &[acp::AuthMethod] {
6248            &[]
6249        }
6250
6251        fn authenticate(
6252            &self,
6253            _method_id: acp::AuthMethodId,
6254            _cx: &mut App,
6255        ) -> Task<gpui::Result<()>> {
6256            unimplemented!()
6257        }
6258
6259        fn prompt(
6260            &self,
6261            _id: Option<acp_thread::UserMessageId>,
6262            _params: acp::PromptRequest,
6263            _cx: &mut App,
6264        ) -> Task<gpui::Result<acp::PromptResponse>> {
6265            Task::ready(Ok(acp::PromptResponse {
6266                stop_reason: acp::StopReason::Refusal,
6267                meta: None,
6268            }))
6269        }
6270
6271        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6272            unimplemented!()
6273        }
6274
6275        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6276            self
6277        }
6278    }
6279
6280    pub(crate) fn init_test(cx: &mut TestAppContext) {
6281        cx.update(|cx| {
6282            let settings_store = SettingsStore::test(cx);
6283            cx.set_global(settings_store);
6284            language::init(cx);
6285            Project::init_settings(cx);
6286            AgentSettings::register(cx);
6287            workspace::init_settings(cx);
6288            theme::init(theme::LoadThemes::JustBase, cx);
6289            release_channel::init(SemanticVersion::default(), cx);
6290            EditorSettings::register(cx);
6291            prompt_store::init(cx)
6292        });
6293    }
6294
6295    #[gpui::test]
6296    async fn test_rewind_views(cx: &mut TestAppContext) {
6297        init_test(cx);
6298
6299        let fs = FakeFs::new(cx.executor());
6300        fs.insert_tree(
6301            "/project",
6302            json!({
6303                "test1.txt": "old content 1",
6304                "test2.txt": "old content 2"
6305            }),
6306        )
6307        .await;
6308        let project = Project::test(fs, [Path::new("/project")], cx).await;
6309        let (workspace, cx) =
6310            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6311
6312        let text_thread_store =
6313            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6314        let history_store =
6315            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6316
6317        let connection = Rc::new(StubAgentConnection::new());
6318        let thread_view = cx.update(|window, cx| {
6319            cx.new(|cx| {
6320                AcpThreadView::new(
6321                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6322                    None,
6323                    None,
6324                    workspace.downgrade(),
6325                    project.clone(),
6326                    history_store.clone(),
6327                    None,
6328                    window,
6329                    cx,
6330                )
6331            })
6332        });
6333
6334        cx.run_until_parked();
6335
6336        let thread = thread_view
6337            .read_with(cx, |view, _| view.thread().cloned())
6338            .unwrap();
6339
6340        // First user message
6341        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6342            id: acp::ToolCallId("tool1".into()),
6343            title: "Edit file 1".into(),
6344            kind: acp::ToolKind::Edit,
6345            status: acp::ToolCallStatus::Completed,
6346            content: vec![acp::ToolCallContent::Diff {
6347                diff: acp::Diff {
6348                    path: "/project/test1.txt".into(),
6349                    old_text: Some("old content 1".into()),
6350                    new_text: "new content 1".into(),
6351                    meta: None,
6352                },
6353            }],
6354            locations: vec![],
6355            raw_input: None,
6356            raw_output: None,
6357            meta: None,
6358        })]);
6359
6360        thread
6361            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6362            .await
6363            .unwrap();
6364        cx.run_until_parked();
6365
6366        thread.read_with(cx, |thread, _| {
6367            assert_eq!(thread.entries().len(), 2);
6368        });
6369
6370        thread_view.read_with(cx, |view, cx| {
6371            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6372                assert!(
6373                    entry_view_state
6374                        .entry(0)
6375                        .unwrap()
6376                        .message_editor()
6377                        .is_some()
6378                );
6379                assert!(entry_view_state.entry(1).unwrap().has_content());
6380            });
6381        });
6382
6383        // Second user message
6384        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6385            id: acp::ToolCallId("tool2".into()),
6386            title: "Edit file 2".into(),
6387            kind: acp::ToolKind::Edit,
6388            status: acp::ToolCallStatus::Completed,
6389            content: vec![acp::ToolCallContent::Diff {
6390                diff: acp::Diff {
6391                    path: "/project/test2.txt".into(),
6392                    old_text: Some("old content 2".into()),
6393                    new_text: "new content 2".into(),
6394                    meta: None,
6395                },
6396            }],
6397            locations: vec![],
6398            raw_input: None,
6399            raw_output: None,
6400            meta: None,
6401        })]);
6402
6403        thread
6404            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6405            .await
6406            .unwrap();
6407        cx.run_until_parked();
6408
6409        let second_user_message_id = thread.read_with(cx, |thread, _| {
6410            assert_eq!(thread.entries().len(), 4);
6411            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6412                panic!();
6413            };
6414            user_message.id.clone().unwrap()
6415        });
6416
6417        thread_view.read_with(cx, |view, cx| {
6418            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6419                assert!(
6420                    entry_view_state
6421                        .entry(0)
6422                        .unwrap()
6423                        .message_editor()
6424                        .is_some()
6425                );
6426                assert!(entry_view_state.entry(1).unwrap().has_content());
6427                assert!(
6428                    entry_view_state
6429                        .entry(2)
6430                        .unwrap()
6431                        .message_editor()
6432                        .is_some()
6433                );
6434                assert!(entry_view_state.entry(3).unwrap().has_content());
6435            });
6436        });
6437
6438        // Rewind to first message
6439        thread
6440            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6441            .await
6442            .unwrap();
6443
6444        cx.run_until_parked();
6445
6446        thread.read_with(cx, |thread, _| {
6447            assert_eq!(thread.entries().len(), 2);
6448        });
6449
6450        thread_view.read_with(cx, |view, cx| {
6451            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6452                assert!(
6453                    entry_view_state
6454                        .entry(0)
6455                        .unwrap()
6456                        .message_editor()
6457                        .is_some()
6458                );
6459                assert!(entry_view_state.entry(1).unwrap().has_content());
6460
6461                // Old views should be dropped
6462                assert!(entry_view_state.entry(2).is_none());
6463                assert!(entry_view_state.entry(3).is_none());
6464            });
6465        });
6466    }
6467
6468    #[gpui::test]
6469    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6470        init_test(cx);
6471
6472        let connection = StubAgentConnection::new();
6473
6474        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6475            acp::ContentChunk {
6476                content: acp::ContentBlock::Text(acp::TextContent {
6477                    text: "Response".into(),
6478                    annotations: None,
6479                    meta: None,
6480                }),
6481                meta: None,
6482            },
6483        )]);
6484
6485        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6486        add_to_workspace(thread_view.clone(), cx);
6487
6488        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6489        message_editor.update_in(cx, |editor, window, cx| {
6490            editor.set_text("Original message to edit", window, cx);
6491        });
6492        thread_view.update_in(cx, |thread_view, window, cx| {
6493            thread_view.send(window, cx);
6494        });
6495
6496        cx.run_until_parked();
6497
6498        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6499            assert_eq!(view.editing_message, None);
6500
6501            view.entry_view_state
6502                .read(cx)
6503                .entry(0)
6504                .unwrap()
6505                .message_editor()
6506                .unwrap()
6507                .clone()
6508        });
6509
6510        // Focus
6511        cx.focus(&user_message_editor);
6512        thread_view.read_with(cx, |view, _cx| {
6513            assert_eq!(view.editing_message, Some(0));
6514        });
6515
6516        // Edit
6517        user_message_editor.update_in(cx, |editor, window, cx| {
6518            editor.set_text("Edited message content", window, cx);
6519        });
6520
6521        // Cancel
6522        user_message_editor.update_in(cx, |_editor, window, cx| {
6523            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6524        });
6525
6526        thread_view.read_with(cx, |view, _cx| {
6527            assert_eq!(view.editing_message, None);
6528        });
6529
6530        user_message_editor.read_with(cx, |editor, cx| {
6531            assert_eq!(editor.text(cx), "Original message to edit");
6532        });
6533    }
6534
6535    #[gpui::test]
6536    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6537        init_test(cx);
6538
6539        let connection = StubAgentConnection::new();
6540
6541        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6542        add_to_workspace(thread_view.clone(), cx);
6543
6544        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6545        let mut events = cx.events(&message_editor);
6546        message_editor.update_in(cx, |editor, window, cx| {
6547            editor.set_text("", window, cx);
6548        });
6549
6550        message_editor.update_in(cx, |_editor, window, cx| {
6551            window.dispatch_action(Box::new(Chat), cx);
6552        });
6553        cx.run_until_parked();
6554        // We shouldn't have received any messages
6555        assert!(matches!(
6556            events.try_next(),
6557            Err(futures::channel::mpsc::TryRecvError { .. })
6558        ));
6559    }
6560
6561    #[gpui::test]
6562    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6563        init_test(cx);
6564
6565        let connection = StubAgentConnection::new();
6566
6567        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6568            acp::ContentChunk {
6569                content: acp::ContentBlock::Text(acp::TextContent {
6570                    text: "Response".into(),
6571                    annotations: None,
6572                    meta: None,
6573                }),
6574                meta: None,
6575            },
6576        )]);
6577
6578        let (thread_view, cx) =
6579            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6580        add_to_workspace(thread_view.clone(), cx);
6581
6582        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6583        message_editor.update_in(cx, |editor, window, cx| {
6584            editor.set_text("Original message to edit", window, cx);
6585        });
6586        thread_view.update_in(cx, |thread_view, window, cx| {
6587            thread_view.send(window, cx);
6588        });
6589
6590        cx.run_until_parked();
6591
6592        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6593            assert_eq!(view.editing_message, None);
6594            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6595
6596            view.entry_view_state
6597                .read(cx)
6598                .entry(0)
6599                .unwrap()
6600                .message_editor()
6601                .unwrap()
6602                .clone()
6603        });
6604
6605        // Focus
6606        cx.focus(&user_message_editor);
6607
6608        // Edit
6609        user_message_editor.update_in(cx, |editor, window, cx| {
6610            editor.set_text("Edited message content", window, cx);
6611        });
6612
6613        // Send
6614        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6615            acp::ContentChunk {
6616                content: acp::ContentBlock::Text(acp::TextContent {
6617                    text: "New Response".into(),
6618                    annotations: None,
6619                    meta: None,
6620                }),
6621                meta: None,
6622            },
6623        )]);
6624
6625        user_message_editor.update_in(cx, |_editor, window, cx| {
6626            window.dispatch_action(Box::new(Chat), cx);
6627        });
6628
6629        cx.run_until_parked();
6630
6631        thread_view.read_with(cx, |view, cx| {
6632            assert_eq!(view.editing_message, None);
6633
6634            let entries = view.thread().unwrap().read(cx).entries();
6635            assert_eq!(entries.len(), 2);
6636            assert_eq!(
6637                entries[0].to_markdown(cx),
6638                "## User\n\nEdited message content\n\n"
6639            );
6640            assert_eq!(
6641                entries[1].to_markdown(cx),
6642                "## Assistant\n\nNew Response\n\n"
6643            );
6644
6645            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6646                assert!(!state.entry(1).unwrap().has_content());
6647                state.entry(0).unwrap().message_editor().unwrap().clone()
6648            });
6649
6650            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6651        })
6652    }
6653
6654    #[gpui::test]
6655    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6656        init_test(cx);
6657
6658        let connection = StubAgentConnection::new();
6659
6660        let (thread_view, cx) =
6661            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6662        add_to_workspace(thread_view.clone(), cx);
6663
6664        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6665        message_editor.update_in(cx, |editor, window, cx| {
6666            editor.set_text("Original message to edit", window, cx);
6667        });
6668        thread_view.update_in(cx, |thread_view, window, cx| {
6669            thread_view.send(window, cx);
6670        });
6671
6672        cx.run_until_parked();
6673
6674        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6675            let thread = view.thread().unwrap().read(cx);
6676            assert_eq!(thread.entries().len(), 1);
6677
6678            let editor = view
6679                .entry_view_state
6680                .read(cx)
6681                .entry(0)
6682                .unwrap()
6683                .message_editor()
6684                .unwrap()
6685                .clone();
6686
6687            (editor, thread.session_id().clone())
6688        });
6689
6690        // Focus
6691        cx.focus(&user_message_editor);
6692
6693        thread_view.read_with(cx, |view, _cx| {
6694            assert_eq!(view.editing_message, Some(0));
6695        });
6696
6697        // Edit
6698        user_message_editor.update_in(cx, |editor, window, cx| {
6699            editor.set_text("Edited message content", window, cx);
6700        });
6701
6702        thread_view.read_with(cx, |view, _cx| {
6703            assert_eq!(view.editing_message, Some(0));
6704        });
6705
6706        // Finish streaming response
6707        cx.update(|_, cx| {
6708            connection.send_update(
6709                session_id.clone(),
6710                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6711                    content: acp::ContentBlock::Text(acp::TextContent {
6712                        text: "Response".into(),
6713                        annotations: None,
6714                        meta: None,
6715                    }),
6716                    meta: None,
6717                }),
6718                cx,
6719            );
6720            connection.end_turn(session_id, acp::StopReason::EndTurn);
6721        });
6722
6723        thread_view.read_with(cx, |view, _cx| {
6724            assert_eq!(view.editing_message, Some(0));
6725        });
6726
6727        cx.run_until_parked();
6728
6729        // Should still be editing
6730        cx.update(|window, cx| {
6731            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6732            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6733            assert_eq!(
6734                user_message_editor.read(cx).text(cx),
6735                "Edited message content"
6736            );
6737        });
6738    }
6739
6740    #[gpui::test]
6741    async fn test_interrupt(cx: &mut TestAppContext) {
6742        init_test(cx);
6743
6744        let connection = StubAgentConnection::new();
6745
6746        let (thread_view, cx) =
6747            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6748        add_to_workspace(thread_view.clone(), cx);
6749
6750        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6751        message_editor.update_in(cx, |editor, window, cx| {
6752            editor.set_text("Message 1", window, cx);
6753        });
6754        thread_view.update_in(cx, |thread_view, window, cx| {
6755            thread_view.send(window, cx);
6756        });
6757
6758        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6759            let thread = view.thread().unwrap();
6760
6761            (thread.clone(), thread.read(cx).session_id().clone())
6762        });
6763
6764        cx.run_until_parked();
6765
6766        cx.update(|_, cx| {
6767            connection.send_update(
6768                session_id.clone(),
6769                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6770                    content: "Message 1 resp".into(),
6771                    meta: None,
6772                }),
6773                cx,
6774            );
6775        });
6776
6777        cx.run_until_parked();
6778
6779        thread.read_with(cx, |thread, cx| {
6780            assert_eq!(
6781                thread.to_markdown(cx),
6782                indoc::indoc! {"
6783                    ## User
6784
6785                    Message 1
6786
6787                    ## Assistant
6788
6789                    Message 1 resp
6790
6791                "}
6792            )
6793        });
6794
6795        message_editor.update_in(cx, |editor, window, cx| {
6796            editor.set_text("Message 2", window, cx);
6797        });
6798        thread_view.update_in(cx, |thread_view, window, cx| {
6799            thread_view.send(window, cx);
6800        });
6801
6802        cx.update(|_, cx| {
6803            // Simulate a response sent after beginning to cancel
6804            connection.send_update(
6805                session_id.clone(),
6806                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6807                    content: "onse".into(),
6808                    meta: None,
6809                }),
6810                cx,
6811            );
6812        });
6813
6814        cx.run_until_parked();
6815
6816        // Last Message 1 response should appear before Message 2
6817        thread.read_with(cx, |thread, cx| {
6818            assert_eq!(
6819                thread.to_markdown(cx),
6820                indoc::indoc! {"
6821                    ## User
6822
6823                    Message 1
6824
6825                    ## Assistant
6826
6827                    Message 1 response
6828
6829                    ## User
6830
6831                    Message 2
6832
6833                "}
6834            )
6835        });
6836
6837        cx.update(|_, cx| {
6838            connection.send_update(
6839                session_id.clone(),
6840                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6841                    content: "Message 2 response".into(),
6842                    meta: None,
6843                }),
6844                cx,
6845            );
6846            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6847        });
6848
6849        cx.run_until_parked();
6850
6851        thread.read_with(cx, |thread, cx| {
6852            assert_eq!(
6853                thread.to_markdown(cx),
6854                indoc::indoc! {"
6855                    ## User
6856
6857                    Message 1
6858
6859                    ## Assistant
6860
6861                    Message 1 response
6862
6863                    ## User
6864
6865                    Message 2
6866
6867                    ## Assistant
6868
6869                    Message 2 response
6870
6871                "}
6872            )
6873        });
6874    }
6875
6876    #[gpui::test]
6877    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
6878        init_test(cx);
6879
6880        let connection = StubAgentConnection::new();
6881        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6882            acp::ContentChunk {
6883                content: acp::ContentBlock::Text(acp::TextContent {
6884                    text: "Response".into(),
6885                    annotations: None,
6886                    meta: None,
6887                }),
6888                meta: None,
6889            },
6890        )]);
6891
6892        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6893        add_to_workspace(thread_view.clone(), cx);
6894
6895        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6896        message_editor.update_in(cx, |editor, window, cx| {
6897            editor.set_text("Original message to edit", window, cx)
6898        });
6899        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
6900        cx.run_until_parked();
6901
6902        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
6903            thread_view
6904                .entry_view_state
6905                .read(cx)
6906                .entry(0)
6907                .expect("Should have at least one entry")
6908                .message_editor()
6909                .expect("Should have message editor")
6910                .clone()
6911        });
6912
6913        cx.focus(&user_message_editor);
6914        thread_view.read_with(cx, |thread_view, _cx| {
6915            assert_eq!(thread_view.editing_message, Some(0));
6916        });
6917
6918        // Ensure to edit the focused message before proceeding otherwise, since
6919        // its content is not different from what was sent, focus will be lost.
6920        user_message_editor.update_in(cx, |editor, window, cx| {
6921            editor.set_text("Original message to edit with ", window, cx)
6922        });
6923
6924        // Create a simple buffer with some text so we can create a selection
6925        // that will then be added to the message being edited.
6926        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
6927            (thread_view.workspace.clone(), thread_view.project.clone())
6928        });
6929        let buffer = project.update(cx, |project, cx| {
6930            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
6931        });
6932
6933        workspace
6934            .update_in(cx, |workspace, window, cx| {
6935                let editor = cx.new(|cx| {
6936                    let mut editor =
6937                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
6938
6939                    editor.change_selections(Default::default(), window, cx, |selections| {
6940                        selections.select_ranges([8..15]);
6941                    });
6942
6943                    editor
6944                });
6945                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
6946            })
6947            .unwrap();
6948
6949        thread_view.update_in(cx, |thread_view, window, cx| {
6950            assert_eq!(thread_view.editing_message, Some(0));
6951            thread_view.insert_selections(window, cx);
6952        });
6953
6954        user_message_editor.read_with(cx, |editor, cx| {
6955            let text = editor.editor().read(cx).text(cx);
6956            let expected_text = String::from("Original message to edit with selection ");
6957
6958            assert_eq!(text, expected_text);
6959        });
6960    }
6961
6962    #[gpui::test]
6963    async fn test_insert_selections(cx: &mut TestAppContext) {
6964        init_test(cx);
6965
6966        let connection = StubAgentConnection::new();
6967        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6968            acp::ContentChunk {
6969                content: acp::ContentBlock::Text(acp::TextContent {
6970                    text: "Response".into(),
6971                    annotations: None,
6972                    meta: None,
6973                }),
6974                meta: None,
6975            },
6976        )]);
6977
6978        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6979        add_to_workspace(thread_view.clone(), cx);
6980
6981        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6982        message_editor.update_in(cx, |editor, window, cx| {
6983            editor.set_text("Can you review this snippet ", window, cx)
6984        });
6985
6986        // Create a simple buffer with some text so we can create a selection
6987        // that will then be added to the message being edited.
6988        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
6989            (thread_view.workspace.clone(), thread_view.project.clone())
6990        });
6991        let buffer = project.update(cx, |project, cx| {
6992            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
6993        });
6994
6995        workspace
6996            .update_in(cx, |workspace, window, cx| {
6997                let editor = cx.new(|cx| {
6998                    let mut editor =
6999                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7000
7001                    editor.change_selections(Default::default(), window, cx, |selections| {
7002                        selections.select_ranges([8..15]);
7003                    });
7004
7005                    editor
7006                });
7007                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7008            })
7009            .unwrap();
7010
7011        thread_view.update_in(cx, |thread_view, window, cx| {
7012            assert_eq!(thread_view.editing_message, None);
7013            thread_view.insert_selections(window, cx);
7014        });
7015
7016        thread_view.read_with(cx, |thread_view, cx| {
7017            let text = thread_view.message_editor.read(cx).text(cx);
7018            let expected_txt = String::from("Can you review this snippet selection ");
7019
7020            assert_eq!(text, expected_txt);
7021        })
7022    }
7023}