thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
   9use agent_client_protocol::{self as acp, PromptCapabilities};
  10use agent_servers::{AgentServer, AgentServerDelegate};
  11use agent_settings::{AgentProfileId, AgentSettings, CompletionMode};
  12use anyhow::{Result, anyhow, bail};
  13use arrayvec::ArrayVec;
  14use audio::{Audio, Sound};
  15use buffer_diff::BufferDiff;
  16use client::zed_urls;
  17use cloud_llm_client::PlanV1;
  18use collections::{HashMap, HashSet};
  19use editor::scroll::Autoscroll;
  20use editor::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  21use file_icons::FileIcons;
  22use fs::Fs;
  23use futures::FutureExt as _;
  24use gpui::{
  25    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  26    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  27    ListOffset, ListState, PlatformDisplay, SharedString, StyleRefinement, Subscription, Task,
  28    TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window, WindowHandle, div,
  29    ease_in_out, linear_color_stop, linear_gradient, list, point, pulsating_between,
  30};
  31use language::Buffer;
  32
  33use language_model::LanguageModelRegistry;
  34use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  35use project::{Project, ProjectEntryId};
  36use prompt_store::{PromptId, PromptStore};
  37use rope::Point;
  38use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  39use std::cell::RefCell;
  40use std::path::Path;
  41use std::sync::Arc;
  42use std::time::Instant;
  43use std::{collections::BTreeMap, rc::Rc, time::Duration};
  44use terminal_view::terminal_panel::TerminalPanel;
  45use text::Anchor;
  46use theme::{AgentFontSize, ThemeSettings};
  47use ui::{
  48    Callout, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  49    PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip, WithScrollbar, prelude::*,
  50};
  51use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  52use workspace::{CollaboratorId, Workspace};
  53use zed_actions::agent::{Chat, ToggleModelSelector};
  54use zed_actions::assistant::OpenRulesLibrary;
  55
  56use super::entry_view_state::EntryViewState;
  57use crate::acp::AcpModelSelectorPopover;
  58use crate::acp::ModeSelector;
  59use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  60use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  61use crate::agent_diff::AgentDiff;
  62use crate::profile_selector::{ProfileProvider, ProfileSelector};
  63
  64use crate::ui::{
  65    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  66    UsageCallout,
  67};
  68use crate::{
  69    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
  70    CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, OpenAgentDiff, OpenHistory, RejectAll,
  71    RejectOnce, ToggleBurnMode, ToggleProfileSelector,
  72};
  73
  74#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  75enum ThreadFeedback {
  76    Positive,
  77    Negative,
  78}
  79
  80#[derive(Debug)]
  81enum ThreadError {
  82    PaymentRequired,
  83    ModelRequestLimitReached(cloud_llm_client::Plan),
  84    ToolUseLimitReached,
  85    Refusal,
  86    AuthenticationRequired(SharedString),
  87    Other(SharedString),
  88}
  89
  90impl ThreadError {
  91    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  92        if error.is::<language_model::PaymentRequiredError>() {
  93            Self::PaymentRequired
  94        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  95            Self::ToolUseLimitReached
  96        } else if let Some(error) =
  97            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  98        {
  99            Self::ModelRequestLimitReached(error.plan)
 100        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 101            && acp_error.code == acp::ErrorCode::AUTH_REQUIRED.code
 102        {
 103            Self::AuthenticationRequired(acp_error.message.clone().into())
 104        } else {
 105            let string = error.to_string();
 106            // TODO: we should have Gemini return better errors here.
 107            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 108                && string.contains("Could not load the default credentials")
 109                || string.contains("API key not valid")
 110                || string.contains("Request had invalid authentication credentials")
 111            {
 112                Self::AuthenticationRequired(string.into())
 113            } else {
 114                Self::Other(error.to_string().into())
 115            }
 116        }
 117    }
 118}
 119
 120impl ProfileProvider for Entity<agent::Thread> {
 121    fn profile_id(&self, cx: &App) -> AgentProfileId {
 122        self.read(cx).profile().clone()
 123    }
 124
 125    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 126        self.update(cx, |thread, _cx| {
 127            thread.set_profile(profile_id);
 128        });
 129    }
 130
 131    fn profiles_supported(&self, cx: &App) -> bool {
 132        self.read(cx)
 133            .model()
 134            .is_some_and(|model| model.supports_tools())
 135    }
 136}
 137
 138#[derive(Default)]
 139struct ThreadFeedbackState {
 140    feedback: Option<ThreadFeedback>,
 141    comments_editor: Option<Entity<Editor>>,
 142}
 143
 144impl ThreadFeedbackState {
 145    pub fn submit(
 146        &mut self,
 147        thread: Entity<AcpThread>,
 148        feedback: ThreadFeedback,
 149        window: &mut Window,
 150        cx: &mut App,
 151    ) {
 152        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 153            return;
 154        };
 155
 156        if self.feedback == Some(feedback) {
 157            return;
 158        }
 159
 160        self.feedback = Some(feedback);
 161        match feedback {
 162            ThreadFeedback::Positive => {
 163                self.comments_editor = None;
 164            }
 165            ThreadFeedback::Negative => {
 166                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 167            }
 168        }
 169        let session_id = thread.read(cx).session_id().clone();
 170        let agent_name = telemetry.agent_name();
 171        let task = telemetry.thread_data(&session_id, cx);
 172        let rating = match feedback {
 173            ThreadFeedback::Positive => "positive",
 174            ThreadFeedback::Negative => "negative",
 175        };
 176        cx.background_spawn(async move {
 177            let thread = task.await?;
 178            telemetry::event!(
 179                "Agent Thread Rated",
 180                session_id = session_id,
 181                rating = rating,
 182                agent = agent_name,
 183                thread = thread
 184            );
 185            anyhow::Ok(())
 186        })
 187        .detach_and_log_err(cx);
 188    }
 189
 190    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 191        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 192            return;
 193        };
 194
 195        let Some(comments) = self
 196            .comments_editor
 197            .as_ref()
 198            .map(|editor| editor.read(cx).text(cx))
 199            .filter(|text| !text.trim().is_empty())
 200        else {
 201            return;
 202        };
 203
 204        self.comments_editor.take();
 205
 206        let session_id = thread.read(cx).session_id().clone();
 207        let agent_name = telemetry.agent_name();
 208        let task = telemetry.thread_data(&session_id, cx);
 209        cx.background_spawn(async move {
 210            let thread = task.await?;
 211            telemetry::event!(
 212                "Agent Thread Feedback Comments",
 213                session_id = session_id,
 214                comments = comments,
 215                agent = agent_name,
 216                thread = thread
 217            );
 218            anyhow::Ok(())
 219        })
 220        .detach_and_log_err(cx);
 221    }
 222
 223    pub fn clear(&mut self) {
 224        *self = Self::default()
 225    }
 226
 227    pub fn dismiss_comments(&mut self) {
 228        self.comments_editor.take();
 229    }
 230
 231    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 232        let buffer = cx.new(|cx| {
 233            let empty_string = String::new();
 234            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 235        });
 236
 237        let editor = cx.new(|cx| {
 238            let mut editor = Editor::new(
 239                editor::EditorMode::AutoHeight {
 240                    min_lines: 1,
 241                    max_lines: Some(4),
 242                },
 243                buffer,
 244                None,
 245                window,
 246                cx,
 247            );
 248            editor.set_placeholder_text(
 249                "What went wrong? Share your feedback so we can improve.",
 250                window,
 251                cx,
 252            );
 253            editor
 254        });
 255
 256        editor.read(cx).focus_handle(cx).focus(window);
 257        editor
 258    }
 259}
 260
 261pub struct AcpThreadView {
 262    agent: Rc<dyn AgentServer>,
 263    workspace: WeakEntity<Workspace>,
 264    project: Entity<Project>,
 265    thread_state: ThreadState,
 266    login: Option<task::SpawnInTerminal>,
 267    history_store: Entity<HistoryStore>,
 268    hovered_recent_history_item: Option<usize>,
 269    entry_view_state: Entity<EntryViewState>,
 270    message_editor: Entity<MessageEditor>,
 271    focus_handle: FocusHandle,
 272    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 273    profile_selector: Option<Entity<ProfileSelector>>,
 274    notifications: Vec<WindowHandle<AgentNotification>>,
 275    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 276    thread_retry_status: Option<RetryStatus>,
 277    thread_error: Option<ThreadError>,
 278    thread_feedback: ThreadFeedbackState,
 279    list_state: ListState,
 280    auth_task: Option<Task<()>>,
 281    expanded_tool_calls: HashSet<acp::ToolCallId>,
 282    expanded_thinking_blocks: HashSet<(usize, usize)>,
 283    edits_expanded: bool,
 284    plan_expanded: bool,
 285    editor_expanded: bool,
 286    should_be_following: bool,
 287    editing_message: Option<usize>,
 288    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 289    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 290    is_loading_contents: bool,
 291    new_server_version_available: Option<SharedString>,
 292    resume_thread_metadata: Option<DbThreadMetadata>,
 293    _cancel_task: Option<Task<()>>,
 294    _subscriptions: [Subscription; 5],
 295    #[cfg(target_os = "windows")]
 296    show_codex_windows_warning: bool,
 297}
 298
 299enum ThreadState {
 300    Loading(Entity<LoadingView>),
 301    Ready {
 302        thread: Entity<AcpThread>,
 303        title_editor: Option<Entity<Editor>>,
 304        mode_selector: Option<Entity<ModeSelector>>,
 305        _subscriptions: Vec<Subscription>,
 306    },
 307    LoadError(LoadError),
 308    Unauthenticated {
 309        connection: Rc<dyn AgentConnection>,
 310        description: Option<Entity<Markdown>>,
 311        configuration_view: Option<AnyView>,
 312        pending_auth_method: Option<acp::AuthMethodId>,
 313        _subscription: Option<Subscription>,
 314    },
 315}
 316
 317struct LoadingView {
 318    title: SharedString,
 319    _load_task: Task<()>,
 320    _update_title_task: Task<anyhow::Result<()>>,
 321}
 322
 323impl AcpThreadView {
 324    pub fn new(
 325        agent: Rc<dyn AgentServer>,
 326        resume_thread: Option<DbThreadMetadata>,
 327        summarize_thread: Option<DbThreadMetadata>,
 328        workspace: WeakEntity<Workspace>,
 329        project: Entity<Project>,
 330        history_store: Entity<HistoryStore>,
 331        prompt_store: Option<Entity<PromptStore>>,
 332        window: &mut Window,
 333        cx: &mut Context<Self>,
 334    ) -> Self {
 335        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 336        let available_commands = Rc::new(RefCell::new(vec![]));
 337
 338        let placeholder = if agent.name() == "Zed Agent" {
 339            format!("Message the {} — @ to include context", agent.name())
 340        } else if agent.name() == "Claude Code"
 341            || agent.name() == "Codex"
 342            || !available_commands.borrow().is_empty()
 343        {
 344            format!(
 345                "Message {} — @ to include context, / for commands",
 346                agent.name()
 347            )
 348        } else {
 349            format!("Message {} — @ to include context", agent.name())
 350        };
 351
 352        let message_editor = cx.new(|cx| {
 353            let mut editor = MessageEditor::new(
 354                workspace.clone(),
 355                project.clone(),
 356                history_store.clone(),
 357                prompt_store.clone(),
 358                prompt_capabilities.clone(),
 359                available_commands.clone(),
 360                agent.name(),
 361                &placeholder,
 362                editor::EditorMode::AutoHeight {
 363                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 364                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 365                },
 366                window,
 367                cx,
 368            );
 369            if let Some(entry) = summarize_thread {
 370                editor.insert_thread_summary(entry, window, cx);
 371            }
 372            editor
 373        });
 374
 375        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 376
 377        let entry_view_state = cx.new(|_| {
 378            EntryViewState::new(
 379                workspace.clone(),
 380                project.clone(),
 381                history_store.clone(),
 382                prompt_store.clone(),
 383                prompt_capabilities.clone(),
 384                available_commands.clone(),
 385                agent.name(),
 386            )
 387        });
 388
 389        let agent_server_store = project.read(cx).agent_server_store().clone();
 390        let subscriptions = [
 391            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 392            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 393            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 394            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 395            cx.subscribe_in(
 396                &agent_server_store,
 397                window,
 398                Self::handle_agent_servers_updated,
 399            ),
 400        ];
 401
 402        #[cfg(target_os = "windows")]
 403        let show_codex_windows_warning = crate::ExternalAgent::parse_built_in(agent.as_ref())
 404            == Some(crate::ExternalAgent::Codex);
 405
 406        Self {
 407            agent: agent.clone(),
 408            workspace: workspace.clone(),
 409            project: project.clone(),
 410            entry_view_state,
 411            thread_state: Self::initial_state(
 412                agent.clone(),
 413                resume_thread.clone(),
 414                workspace.clone(),
 415                project.clone(),
 416                window,
 417                cx,
 418            ),
 419            login: None,
 420            message_editor,
 421            model_selector: None,
 422            profile_selector: None,
 423
 424            notifications: Vec::new(),
 425            notification_subscriptions: HashMap::default(),
 426            list_state: list_state,
 427            thread_retry_status: None,
 428            thread_error: None,
 429            thread_feedback: Default::default(),
 430            auth_task: None,
 431            expanded_tool_calls: HashSet::default(),
 432            expanded_thinking_blocks: HashSet::default(),
 433            editing_message: None,
 434            edits_expanded: false,
 435            plan_expanded: false,
 436            prompt_capabilities,
 437            available_commands,
 438            editor_expanded: false,
 439            should_be_following: false,
 440            history_store,
 441            hovered_recent_history_item: None,
 442            is_loading_contents: false,
 443            _subscriptions: subscriptions,
 444            _cancel_task: None,
 445            focus_handle: cx.focus_handle(),
 446            new_server_version_available: None,
 447            resume_thread_metadata: resume_thread,
 448            #[cfg(target_os = "windows")]
 449            show_codex_windows_warning,
 450        }
 451    }
 452
 453    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 454        self.thread_state = Self::initial_state(
 455            self.agent.clone(),
 456            self.resume_thread_metadata.clone(),
 457            self.workspace.clone(),
 458            self.project.clone(),
 459            window,
 460            cx,
 461        );
 462        self.available_commands.replace(vec![]);
 463        self.new_server_version_available.take();
 464        cx.notify();
 465    }
 466
 467    fn initial_state(
 468        agent: Rc<dyn AgentServer>,
 469        resume_thread: Option<DbThreadMetadata>,
 470        workspace: WeakEntity<Workspace>,
 471        project: Entity<Project>,
 472        window: &mut Window,
 473        cx: &mut Context<Self>,
 474    ) -> ThreadState {
 475        if project.read(cx).is_via_collab()
 476            && agent.clone().downcast::<NativeAgentServer>().is_none()
 477        {
 478            return ThreadState::LoadError(LoadError::Other(
 479                "External agents are not yet supported in shared projects.".into(),
 480            ));
 481        }
 482        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 483        // Pick the first non-single-file worktree for the root directory if there are any,
 484        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 485        worktrees.sort_by(|l, r| {
 486            l.read(cx)
 487                .is_single_file()
 488                .cmp(&r.read(cx).is_single_file())
 489        });
 490        let root_dir = worktrees
 491            .into_iter()
 492            .filter_map(|worktree| {
 493                if worktree.read(cx).is_single_file() {
 494                    Some(worktree.read(cx).abs_path().parent()?.into())
 495                } else {
 496                    Some(worktree.read(cx).abs_path())
 497                }
 498            })
 499            .next();
 500        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 501        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 502        let delegate = AgentServerDelegate::new(
 503            project.read(cx).agent_server_store().clone(),
 504            project.clone(),
 505            Some(status_tx),
 506            Some(new_version_available_tx),
 507        );
 508
 509        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 510        let load_task = cx.spawn_in(window, async move |this, cx| {
 511            let connection = match connect_task.await {
 512                Ok((connection, login)) => {
 513                    this.update(cx, |this, _| this.login = login).ok();
 514                    connection
 515                }
 516                Err(err) => {
 517                    this.update_in(cx, |this, window, cx| {
 518                        if err.downcast_ref::<LoadError>().is_some() {
 519                            this.handle_load_error(err, window, cx);
 520                        } else {
 521                            this.handle_thread_error(err, cx);
 522                        }
 523                        cx.notify();
 524                    })
 525                    .log_err();
 526                    return;
 527                }
 528            };
 529
 530            let result = if let Some(native_agent) = connection
 531                .clone()
 532                .downcast::<agent::NativeAgentConnection>()
 533                && let Some(resume) = resume_thread.clone()
 534            {
 535                cx.update(|_, cx| {
 536                    native_agent
 537                        .0
 538                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 539                })
 540                .log_err()
 541            } else {
 542                let root_dir = if let Some(acp_agent) = connection
 543                    .clone()
 544                    .downcast::<agent_servers::AcpConnection>()
 545                {
 546                    acp_agent.root_dir().into()
 547                } else {
 548                    root_dir.unwrap_or(paths::home_dir().as_path().into())
 549                };
 550                cx.update(|_, cx| {
 551                    connection
 552                        .clone()
 553                        .new_thread(project.clone(), &root_dir, cx)
 554                })
 555                .log_err()
 556            };
 557
 558            let Some(result) = result else {
 559                return;
 560            };
 561
 562            let result = match result.await {
 563                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 564                    Ok(err) => {
 565                        cx.update(|window, cx| {
 566                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 567                        })
 568                        .log_err();
 569                        return;
 570                    }
 571                    Err(err) => Err(err),
 572                },
 573                Ok(thread) => Ok(thread),
 574            };
 575
 576            this.update_in(cx, |this, window, cx| {
 577                match result {
 578                    Ok(thread) => {
 579                        let action_log = thread.read(cx).action_log().clone();
 580
 581                        this.prompt_capabilities
 582                            .replace(thread.read(cx).prompt_capabilities());
 583
 584                        let count = thread.read(cx).entries().len();
 585                        this.entry_view_state.update(cx, |view_state, cx| {
 586                            for ix in 0..count {
 587                                view_state.sync_entry(ix, &thread, window, cx);
 588                            }
 589                            this.list_state.splice_focusable(
 590                                0..0,
 591                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 592                            );
 593                        });
 594
 595                        if let Some(resume) = resume_thread {
 596                            this.history_store.update(cx, |history, cx| {
 597                                history.push_recently_opened_entry(
 598                                    HistoryEntryId::AcpThread(resume.id),
 599                                    cx,
 600                                );
 601                            });
 602                        }
 603
 604                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 605
 606                        this.model_selector = thread
 607                            .read(cx)
 608                            .connection()
 609                            .model_selector(thread.read(cx).session_id())
 610                            .map(|selector| {
 611                                cx.new(|cx| {
 612                                    AcpModelSelectorPopover::new(
 613                                        selector,
 614                                        PopoverMenuHandle::default(),
 615                                        this.focus_handle(cx),
 616                                        window,
 617                                        cx,
 618                                    )
 619                                })
 620                            });
 621
 622                        let mode_selector = thread
 623                            .read(cx)
 624                            .connection()
 625                            .session_modes(thread.read(cx).session_id(), cx)
 626                            .map(|session_modes| {
 627                                let fs = this.project.read(cx).fs().clone();
 628                                let focus_handle = this.focus_handle(cx);
 629                                cx.new(|_cx| {
 630                                    ModeSelector::new(
 631                                        session_modes,
 632                                        this.agent.clone(),
 633                                        fs,
 634                                        focus_handle,
 635                                    )
 636                                })
 637                            });
 638
 639                        let mut subscriptions = vec![
 640                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 641                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 642                        ];
 643
 644                        let title_editor =
 645                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 646                                let editor = cx.new(|cx| {
 647                                    let mut editor = Editor::single_line(window, cx);
 648                                    editor.set_text(thread.read(cx).title(), window, cx);
 649                                    editor
 650                                });
 651                                subscriptions.push(cx.subscribe_in(
 652                                    &editor,
 653                                    window,
 654                                    Self::handle_title_editor_event,
 655                                ));
 656                                Some(editor)
 657                            } else {
 658                                None
 659                            };
 660
 661                        this.thread_state = ThreadState::Ready {
 662                            thread,
 663                            title_editor,
 664                            mode_selector,
 665                            _subscriptions: subscriptions,
 666                        };
 667                        this.message_editor.focus_handle(cx).focus(window);
 668
 669                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 670                            cx.new(|cx| {
 671                                ProfileSelector::new(
 672                                    <dyn Fs>::global(cx),
 673                                    Arc::new(thread.clone()),
 674                                    this.focus_handle(cx),
 675                                    cx,
 676                                )
 677                            })
 678                        });
 679
 680                        cx.notify();
 681                    }
 682                    Err(err) => {
 683                        this.handle_load_error(err, window, cx);
 684                    }
 685                };
 686            })
 687            .log_err();
 688        });
 689
 690        cx.spawn(async move |this, cx| {
 691            while let Ok(new_version) = new_version_available_rx.recv().await {
 692                if let Some(new_version) = new_version {
 693                    this.update(cx, |this, cx| {
 694                        this.new_server_version_available = Some(new_version.into());
 695                        cx.notify();
 696                    })
 697                    .log_err();
 698                }
 699            }
 700        })
 701        .detach();
 702
 703        let loading_view = cx.new(|cx| {
 704            let update_title_task = cx.spawn(async move |this, cx| {
 705                loop {
 706                    let status = status_rx.recv().await?;
 707                    this.update(cx, |this: &mut LoadingView, cx| {
 708                        this.title = status;
 709                        cx.notify();
 710                    })?;
 711                }
 712            });
 713
 714            LoadingView {
 715                title: "Loading…".into(),
 716                _load_task: load_task,
 717                _update_title_task: update_title_task,
 718            }
 719        });
 720
 721        ThreadState::Loading(loading_view)
 722    }
 723
 724    fn handle_auth_required(
 725        this: WeakEntity<Self>,
 726        err: AuthRequired,
 727        agent: Rc<dyn AgentServer>,
 728        connection: Rc<dyn AgentConnection>,
 729        window: &mut Window,
 730        cx: &mut App,
 731    ) {
 732        let agent_name = agent.name();
 733        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 734            let registry = LanguageModelRegistry::global(cx);
 735
 736            let sub = window.subscribe(&registry, cx, {
 737                let provider_id = provider_id.clone();
 738                let this = this.clone();
 739                move |_, ev, window, cx| {
 740                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 741                        && &provider_id == updated_provider_id
 742                        && LanguageModelRegistry::global(cx)
 743                            .read(cx)
 744                            .provider(&provider_id)
 745                            .map_or(false, |provider| provider.is_authenticated(cx))
 746                    {
 747                        this.update(cx, |this, cx| {
 748                            this.reset(window, cx);
 749                        })
 750                        .ok();
 751                    }
 752                }
 753            });
 754
 755            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 756                provider.configuration_view(
 757                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 758                    window,
 759                    cx,
 760                )
 761            });
 762
 763            (view, Some(sub))
 764        } else {
 765            (None, None)
 766        };
 767
 768        this.update(cx, |this, cx| {
 769            this.thread_state = ThreadState::Unauthenticated {
 770                pending_auth_method: None,
 771                connection,
 772                configuration_view,
 773                description: err
 774                    .description
 775                    .clone()
 776                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 777                _subscription: subscription,
 778            };
 779            if this.message_editor.focus_handle(cx).is_focused(window) {
 780                this.focus_handle.focus(window)
 781            }
 782            cx.notify();
 783        })
 784        .ok();
 785    }
 786
 787    fn handle_load_error(
 788        &mut self,
 789        err: anyhow::Error,
 790        window: &mut Window,
 791        cx: &mut Context<Self>,
 792    ) {
 793        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 794            self.thread_state = ThreadState::LoadError(load_err.clone());
 795        } else {
 796            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 797        }
 798        if self.message_editor.focus_handle(cx).is_focused(window) {
 799            self.focus_handle.focus(window)
 800        }
 801        cx.notify();
 802    }
 803
 804    fn handle_agent_servers_updated(
 805        &mut self,
 806        _agent_server_store: &Entity<project::AgentServerStore>,
 807        _event: &project::AgentServersUpdated,
 808        window: &mut Window,
 809        cx: &mut Context<Self>,
 810    ) {
 811        // If we're in a LoadError state OR have a thread_error set (which can happen
 812        // when agent.connect() fails during loading), retry loading the thread.
 813        // This handles the case where a thread is restored before authentication completes.
 814        let should_retry =
 815            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 816
 817        if should_retry {
 818            self.thread_error = None;
 819            self.reset(window, cx);
 820        }
 821    }
 822
 823    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 824        &self.workspace
 825    }
 826
 827    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 828        match &self.thread_state {
 829            ThreadState::Ready { thread, .. } => Some(thread),
 830            ThreadState::Unauthenticated { .. }
 831            | ThreadState::Loading { .. }
 832            | ThreadState::LoadError { .. } => None,
 833        }
 834    }
 835
 836    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 837        match &self.thread_state {
 838            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 839            ThreadState::Unauthenticated { .. }
 840            | ThreadState::Loading { .. }
 841            | ThreadState::LoadError { .. } => None,
 842        }
 843    }
 844
 845    pub fn title(&self, cx: &App) -> SharedString {
 846        match &self.thread_state {
 847            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 848            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 849            ThreadState::LoadError(error) => match error {
 850                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 851                LoadError::FailedToInstall(_) => {
 852                    format!("Failed to Install {}", self.agent.name()).into()
 853                }
 854                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 855                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 856            },
 857        }
 858    }
 859
 860    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 861        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 862            title_editor.clone()
 863        } else {
 864            None
 865        }
 866    }
 867
 868    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 869        self.thread_error.take();
 870        self.thread_retry_status.take();
 871
 872        if let Some(thread) = self.thread() {
 873            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 874        }
 875    }
 876
 877    pub fn expand_message_editor(
 878        &mut self,
 879        _: &ExpandMessageEditor,
 880        _window: &mut Window,
 881        cx: &mut Context<Self>,
 882    ) {
 883        self.set_editor_is_expanded(!self.editor_expanded, cx);
 884        cx.notify();
 885    }
 886
 887    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 888        self.editor_expanded = is_expanded;
 889        self.message_editor.update(cx, |editor, cx| {
 890            if is_expanded {
 891                editor.set_mode(
 892                    EditorMode::Full {
 893                        scale_ui_elements_with_buffer_font_size: false,
 894                        show_active_line_background: false,
 895                        sized_by_content: false,
 896                    },
 897                    cx,
 898                )
 899            } else {
 900                let agent_settings = AgentSettings::get_global(cx);
 901                editor.set_mode(
 902                    EditorMode::AutoHeight {
 903                        min_lines: agent_settings.message_editor_min_lines,
 904                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 905                    },
 906                    cx,
 907                )
 908            }
 909        });
 910        cx.notify();
 911    }
 912
 913    pub fn handle_title_editor_event(
 914        &mut self,
 915        title_editor: &Entity<Editor>,
 916        event: &EditorEvent,
 917        window: &mut Window,
 918        cx: &mut Context<Self>,
 919    ) {
 920        let Some(thread) = self.thread() else { return };
 921
 922        match event {
 923            EditorEvent::BufferEdited => {
 924                let new_title = title_editor.read(cx).text(cx);
 925                thread.update(cx, |thread, cx| {
 926                    thread
 927                        .set_title(new_title.into(), cx)
 928                        .detach_and_log_err(cx);
 929                })
 930            }
 931            EditorEvent::Blurred => {
 932                if title_editor.read(cx).text(cx).is_empty() {
 933                    title_editor.update(cx, |editor, cx| {
 934                        editor.set_text("New Thread", window, cx);
 935                    });
 936                }
 937            }
 938            _ => {}
 939        }
 940    }
 941
 942    pub fn handle_message_editor_event(
 943        &mut self,
 944        _: &Entity<MessageEditor>,
 945        event: &MessageEditorEvent,
 946        window: &mut Window,
 947        cx: &mut Context<Self>,
 948    ) {
 949        match event {
 950            MessageEditorEvent::Send => self.send(window, cx),
 951            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 952            MessageEditorEvent::Focus => {
 953                self.cancel_editing(&Default::default(), window, cx);
 954            }
 955            MessageEditorEvent::LostFocus => {}
 956        }
 957    }
 958
 959    pub fn handle_entry_view_event(
 960        &mut self,
 961        _: &Entity<EntryViewState>,
 962        event: &EntryViewEvent,
 963        window: &mut Window,
 964        cx: &mut Context<Self>,
 965    ) {
 966        match &event.view_event {
 967            ViewEvent::NewDiff(tool_call_id) => {
 968                if AgentSettings::get_global(cx).expand_edit_card {
 969                    self.expanded_tool_calls.insert(tool_call_id.clone());
 970                }
 971            }
 972            ViewEvent::NewTerminal(tool_call_id) => {
 973                if AgentSettings::get_global(cx).expand_terminal_card {
 974                    self.expanded_tool_calls.insert(tool_call_id.clone());
 975                }
 976            }
 977            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 978                self.expanded_tool_calls.remove(tool_call_id);
 979            }
 980            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 981                if let Some(thread) = self.thread()
 982                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 983                        thread.read(cx).entries().get(event.entry_index)
 984                    && user_message.id.is_some()
 985                {
 986                    self.editing_message = Some(event.entry_index);
 987                    cx.notify();
 988                }
 989            }
 990            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 991                if let Some(thread) = self.thread()
 992                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 993                        thread.read(cx).entries().get(event.entry_index)
 994                    && user_message.id.is_some()
 995                {
 996                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 997                        self.editing_message = None;
 998                        cx.notify();
 999                    }
1000                }
1001            }
1002            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
1003                self.regenerate(event.entry_index, editor.clone(), window, cx);
1004            }
1005            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
1006                self.cancel_editing(&Default::default(), window, cx);
1007            }
1008        }
1009    }
1010
1011    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1012        self.thread_error.take();
1013        let Some(thread) = self.thread() else {
1014            return;
1015        };
1016        if !thread.read(cx).can_resume(cx) {
1017            return;
1018        }
1019
1020        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1021        cx.spawn(async move |this, cx| {
1022            let result = task.await;
1023
1024            this.update(cx, |this, cx| {
1025                if let Err(err) = result {
1026                    this.handle_thread_error(err, cx);
1027                }
1028            })
1029        })
1030        .detach();
1031    }
1032
1033    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1034        let Some(thread) = self.thread() else { return };
1035
1036        if self.is_loading_contents {
1037            return;
1038        }
1039
1040        self.history_store.update(cx, |history, cx| {
1041            history.push_recently_opened_entry(
1042                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1043                cx,
1044            );
1045        });
1046
1047        if thread.read(cx).status() != ThreadStatus::Idle {
1048            self.stop_current_and_send_new_message(window, cx);
1049            return;
1050        }
1051
1052        let text = self.message_editor.read(cx).text(cx);
1053        let text = text.trim();
1054        if text == "/login" || text == "/logout" {
1055            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1056                return;
1057            };
1058
1059            let connection = thread.read(cx).connection().clone();
1060            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1061            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1062            let logout_supported = text == "/logout"
1063                && self
1064                    .available_commands
1065                    .borrow()
1066                    .iter()
1067                    .any(|command| command.name == "logout");
1068            if can_login && !logout_supported {
1069                self.message_editor
1070                    .update(cx, |editor, cx| editor.clear(window, cx));
1071
1072                let this = cx.weak_entity();
1073                let agent = self.agent.clone();
1074                window.defer(cx, |window, cx| {
1075                    Self::handle_auth_required(
1076                        this,
1077                        AuthRequired {
1078                            description: None,
1079                            provider_id: None,
1080                        },
1081                        agent,
1082                        connection,
1083                        window,
1084                        cx,
1085                    );
1086                });
1087                cx.notify();
1088                return;
1089            }
1090        }
1091
1092        self.send_impl(self.message_editor.clone(), window, cx)
1093    }
1094
1095    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1096        let Some(thread) = self.thread().cloned() else {
1097            return;
1098        };
1099
1100        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1101
1102        cx.spawn_in(window, async move |this, cx| {
1103            cancelled.await;
1104
1105            this.update_in(cx, |this, window, cx| {
1106                this.send_impl(this.message_editor.clone(), window, cx);
1107            })
1108            .ok();
1109        })
1110        .detach();
1111    }
1112
1113    fn send_impl(
1114        &mut self,
1115        message_editor: Entity<MessageEditor>,
1116        window: &mut Window,
1117        cx: &mut Context<Self>,
1118    ) {
1119        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1120            // Include full contents when using minimal profile
1121            let thread = thread.read(cx);
1122            AgentSettings::get_global(cx)
1123                .profiles
1124                .get(thread.profile())
1125                .is_some_and(|profile| profile.tools.is_empty())
1126        });
1127
1128        let contents = message_editor.update(cx, |message_editor, cx| {
1129            message_editor.contents(full_mention_content, cx)
1130        });
1131
1132        let agent_telemetry_id = self.agent.telemetry_id();
1133
1134        self.thread_error.take();
1135        self.editing_message.take();
1136        self.thread_feedback.clear();
1137
1138        let Some(thread) = self.thread() else {
1139            return;
1140        };
1141        let thread = thread.downgrade();
1142        if self.should_be_following {
1143            self.workspace
1144                .update(cx, |workspace, cx| {
1145                    workspace.follow(CollaboratorId::Agent, window, cx);
1146                })
1147                .ok();
1148        }
1149
1150        self.is_loading_contents = true;
1151        let guard = cx.new(|_| ());
1152        cx.observe_release(&guard, |this, _guard, cx| {
1153            this.is_loading_contents = false;
1154            cx.notify();
1155        })
1156        .detach();
1157
1158        let task = cx.spawn_in(window, async move |this, cx| {
1159            let (contents, tracked_buffers) = contents.await?;
1160
1161            if contents.is_empty() {
1162                return Ok(());
1163            }
1164
1165            this.update_in(cx, |this, window, cx| {
1166                this.set_editor_is_expanded(false, cx);
1167                this.scroll_to_bottom(cx);
1168                this.message_editor.update(cx, |message_editor, cx| {
1169                    message_editor.clear(window, cx);
1170                });
1171            })?;
1172            let send = thread.update(cx, |thread, cx| {
1173                thread.action_log().update(cx, |action_log, cx| {
1174                    for buffer in tracked_buffers {
1175                        action_log.buffer_read(buffer, cx)
1176                    }
1177                });
1178                drop(guard);
1179
1180                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1181
1182                thread.send(contents, cx)
1183            })?;
1184            send.await
1185        });
1186
1187        cx.spawn(async move |this, cx| {
1188            if let Err(err) = task.await {
1189                this.update(cx, |this, cx| {
1190                    this.handle_thread_error(err, cx);
1191                })
1192                .ok();
1193            } else {
1194                this.update(cx, |this, cx| {
1195                    this.should_be_following = this
1196                        .workspace
1197                        .update(cx, |workspace, _| {
1198                            workspace.is_being_followed(CollaboratorId::Agent)
1199                        })
1200                        .unwrap_or_default();
1201                })
1202                .ok();
1203            }
1204        })
1205        .detach();
1206    }
1207
1208    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1209        let Some(thread) = self.thread().cloned() else {
1210            return;
1211        };
1212
1213        if let Some(index) = self.editing_message.take()
1214            && let Some(editor) = self
1215                .entry_view_state
1216                .read(cx)
1217                .entry(index)
1218                .and_then(|e| e.message_editor())
1219                .cloned()
1220        {
1221            editor.update(cx, |editor, cx| {
1222                if let Some(user_message) = thread
1223                    .read(cx)
1224                    .entries()
1225                    .get(index)
1226                    .and_then(|e| e.user_message())
1227                {
1228                    editor.set_message(user_message.chunks.clone(), window, cx);
1229                }
1230            })
1231        };
1232        self.focus_handle(cx).focus(window);
1233        cx.notify();
1234    }
1235
1236    fn regenerate(
1237        &mut self,
1238        entry_ix: usize,
1239        message_editor: Entity<MessageEditor>,
1240        window: &mut Window,
1241        cx: &mut Context<Self>,
1242    ) {
1243        let Some(thread) = self.thread().cloned() else {
1244            return;
1245        };
1246        if self.is_loading_contents {
1247            return;
1248        }
1249
1250        let Some(user_message_id) = thread.update(cx, |thread, _| {
1251            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1252        }) else {
1253            return;
1254        };
1255
1256        cx.spawn_in(window, async move |this, cx| {
1257            thread
1258                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1259                .await?;
1260            this.update_in(cx, |this, window, cx| {
1261                this.send_impl(message_editor, window, cx);
1262            })?;
1263            anyhow::Ok(())
1264        })
1265        .detach();
1266    }
1267
1268    fn open_edited_buffer(
1269        &mut self,
1270        buffer: &Entity<Buffer>,
1271        window: &mut Window,
1272        cx: &mut Context<Self>,
1273    ) {
1274        let Some(thread) = self.thread() else {
1275            return;
1276        };
1277
1278        let Some(diff) =
1279            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1280        else {
1281            return;
1282        };
1283
1284        diff.update(cx, |diff, cx| {
1285            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1286        })
1287    }
1288
1289    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1290        let Some(thread) = self.as_native_thread(cx) else {
1291            return;
1292        };
1293        let project_context = thread.read(cx).project_context().read(cx);
1294
1295        let project_entry_ids = project_context
1296            .worktrees
1297            .iter()
1298            .flat_map(|worktree| worktree.rules_file.as_ref())
1299            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1300            .collect::<Vec<_>>();
1301
1302        self.workspace
1303            .update(cx, move |workspace, cx| {
1304                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1305                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1306                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1307                let project = workspace.project().read(cx);
1308                let project_paths = project_entry_ids
1309                    .into_iter()
1310                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1311                    .collect::<Vec<_>>();
1312                for project_path in project_paths {
1313                    workspace
1314                        .open_path(project_path, None, true, window, cx)
1315                        .detach_and_log_err(cx);
1316                }
1317            })
1318            .ok();
1319    }
1320
1321    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1322        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1323        cx.notify();
1324    }
1325
1326    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1327        self.thread_error = None;
1328        cx.notify();
1329    }
1330
1331    fn handle_thread_event(
1332        &mut self,
1333        thread: &Entity<AcpThread>,
1334        event: &AcpThreadEvent,
1335        window: &mut Window,
1336        cx: &mut Context<Self>,
1337    ) {
1338        match event {
1339            AcpThreadEvent::NewEntry => {
1340                let len = thread.read(cx).entries().len();
1341                let index = len - 1;
1342                self.entry_view_state.update(cx, |view_state, cx| {
1343                    view_state.sync_entry(index, thread, window, cx);
1344                    self.list_state.splice_focusable(
1345                        index..index,
1346                        [view_state
1347                            .entry(index)
1348                            .and_then(|entry| entry.focus_handle(cx))],
1349                    );
1350                });
1351            }
1352            AcpThreadEvent::EntryUpdated(index) => {
1353                self.entry_view_state.update(cx, |view_state, cx| {
1354                    view_state.sync_entry(*index, thread, window, cx)
1355                });
1356            }
1357            AcpThreadEvent::EntriesRemoved(range) => {
1358                self.entry_view_state
1359                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1360                self.list_state.splice(range.clone(), 0);
1361            }
1362            AcpThreadEvent::ToolAuthorizationRequired => {
1363                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1364            }
1365            AcpThreadEvent::Retry(retry) => {
1366                self.thread_retry_status = Some(retry.clone());
1367            }
1368            AcpThreadEvent::Stopped => {
1369                self.thread_retry_status.take();
1370                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1371                self.notify_with_sound(
1372                    if used_tools {
1373                        "Finished running tools"
1374                    } else {
1375                        "New message"
1376                    },
1377                    IconName::ZedAssistant,
1378                    window,
1379                    cx,
1380                );
1381            }
1382            AcpThreadEvent::Refusal => {
1383                self.thread_retry_status.take();
1384                self.thread_error = Some(ThreadError::Refusal);
1385                let model_or_agent_name = self.get_current_model_name(cx);
1386                let notification_message =
1387                    format!("{} refused to respond to this request", model_or_agent_name);
1388                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1389            }
1390            AcpThreadEvent::Error => {
1391                self.thread_retry_status.take();
1392                self.notify_with_sound(
1393                    "Agent stopped due to an error",
1394                    IconName::Warning,
1395                    window,
1396                    cx,
1397                );
1398            }
1399            AcpThreadEvent::LoadError(error) => {
1400                self.thread_retry_status.take();
1401                self.thread_state = ThreadState::LoadError(error.clone());
1402                if self.message_editor.focus_handle(cx).is_focused(window) {
1403                    self.focus_handle.focus(window)
1404                }
1405            }
1406            AcpThreadEvent::TitleUpdated => {
1407                let title = thread.read(cx).title();
1408                if let Some(title_editor) = self.title_editor() {
1409                    title_editor.update(cx, |editor, cx| {
1410                        if editor.text(cx) != title {
1411                            editor.set_text(title, window, cx);
1412                        }
1413                    });
1414                }
1415            }
1416            AcpThreadEvent::PromptCapabilitiesUpdated => {
1417                self.prompt_capabilities
1418                    .replace(thread.read(cx).prompt_capabilities());
1419            }
1420            AcpThreadEvent::TokenUsageUpdated => {}
1421            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1422                let mut available_commands = available_commands.clone();
1423
1424                if thread
1425                    .read(cx)
1426                    .connection()
1427                    .auth_methods()
1428                    .iter()
1429                    .any(|method| method.id.0.as_ref() == "claude-login")
1430                {
1431                    available_commands.push(acp::AvailableCommand {
1432                        name: "login".to_owned(),
1433                        description: "Authenticate".to_owned(),
1434                        input: None,
1435                        meta: None,
1436                    });
1437                    available_commands.push(acp::AvailableCommand {
1438                        name: "logout".to_owned(),
1439                        description: "Authenticate".to_owned(),
1440                        input: None,
1441                        meta: None,
1442                    });
1443                }
1444
1445                self.available_commands.replace(available_commands);
1446            }
1447            AcpThreadEvent::ModeUpdated(_mode) => {
1448                // The connection keeps track of the mode
1449                cx.notify();
1450            }
1451        }
1452        cx.notify();
1453    }
1454
1455    fn authenticate(
1456        &mut self,
1457        method: acp::AuthMethodId,
1458        window: &mut Window,
1459        cx: &mut Context<Self>,
1460    ) {
1461        let ThreadState::Unauthenticated {
1462            connection,
1463            pending_auth_method,
1464            configuration_view,
1465            ..
1466        } = &mut self.thread_state
1467        else {
1468            return;
1469        };
1470
1471        if method.0.as_ref() == "gemini-api-key" {
1472            let registry = LanguageModelRegistry::global(cx);
1473            let provider = registry
1474                .read(cx)
1475                .provider(&language_model::GOOGLE_PROVIDER_ID)
1476                .unwrap();
1477            if !provider.is_authenticated(cx) {
1478                let this = cx.weak_entity();
1479                let agent = self.agent.clone();
1480                let connection = connection.clone();
1481                window.defer(cx, |window, cx| {
1482                    Self::handle_auth_required(
1483                        this,
1484                        AuthRequired {
1485                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1486                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1487                        },
1488                        agent,
1489                        connection,
1490                        window,
1491                        cx,
1492                    );
1493                });
1494                return;
1495            }
1496        } else if method.0.as_ref() == "anthropic-api-key" {
1497            let registry = LanguageModelRegistry::global(cx);
1498            let provider = registry
1499                .read(cx)
1500                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1501                .unwrap();
1502            let this = cx.weak_entity();
1503            let agent = self.agent.clone();
1504            let connection = connection.clone();
1505            window.defer(cx, move |window, cx| {
1506                if !provider.is_authenticated(cx) {
1507                    Self::handle_auth_required(
1508                        this,
1509                        AuthRequired {
1510                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1511                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1512                        },
1513                        agent,
1514                        connection,
1515                        window,
1516                        cx,
1517                    );
1518                } else {
1519                    this.update(cx, |this, cx| {
1520                        this.thread_state = Self::initial_state(
1521                            agent,
1522                            None,
1523                            this.workspace.clone(),
1524                            this.project.clone(),
1525                            window,
1526                            cx,
1527                        )
1528                    })
1529                    .ok();
1530                }
1531            });
1532            return;
1533        } else if method.0.as_ref() == "vertex-ai"
1534            && std::env::var("GOOGLE_API_KEY").is_err()
1535            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1536                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1537        {
1538            let this = cx.weak_entity();
1539            let agent = self.agent.clone();
1540            let connection = connection.clone();
1541
1542            window.defer(cx, |window, cx| {
1543                    Self::handle_auth_required(
1544                        this,
1545                        AuthRequired {
1546                            description: Some(
1547                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1548                                    .to_owned(),
1549                            ),
1550                            provider_id: None,
1551                        },
1552                        agent,
1553                        connection,
1554                        window,
1555                        cx,
1556                    )
1557                });
1558            return;
1559        }
1560
1561        self.thread_error.take();
1562        configuration_view.take();
1563        pending_auth_method.replace(method.clone());
1564        let authenticate = if (method.0.as_ref() == "claude-login"
1565            || method.0.as_ref() == "spawn-gemini-cli")
1566            && let Some(login) = self.login.clone()
1567        {
1568            if let Some(workspace) = self.workspace.upgrade() {
1569                Self::spawn_external_agent_login(login, workspace, false, window, cx)
1570            } else {
1571                Task::ready(Ok(()))
1572            }
1573        } else {
1574            connection.authenticate(method, cx)
1575        };
1576        cx.notify();
1577        self.auth_task =
1578            Some(cx.spawn_in(window, {
1579                let agent = self.agent.clone();
1580                async move |this, cx| {
1581                    let result = authenticate.await;
1582
1583                    match &result {
1584                        Ok(_) => telemetry::event!(
1585                            "Authenticate Agent Succeeded",
1586                            agent = agent.telemetry_id()
1587                        ),
1588                        Err(_) => {
1589                            telemetry::event!(
1590                                "Authenticate Agent Failed",
1591                                agent = agent.telemetry_id(),
1592                            )
1593                        }
1594                    }
1595
1596                    this.update_in(cx, |this, window, cx| {
1597                        if let Err(err) = result {
1598                            if let ThreadState::Unauthenticated {
1599                                pending_auth_method,
1600                                ..
1601                            } = &mut this.thread_state
1602                            {
1603                                pending_auth_method.take();
1604                            }
1605                            this.handle_thread_error(err, cx);
1606                        } else {
1607                            this.reset(window, cx);
1608                        }
1609                        this.auth_task.take()
1610                    })
1611                    .ok();
1612                }
1613            }));
1614    }
1615
1616    fn spawn_external_agent_login(
1617        login: task::SpawnInTerminal,
1618        workspace: Entity<Workspace>,
1619        previous_attempt: bool,
1620        window: &mut Window,
1621        cx: &mut App,
1622    ) -> Task<Result<()>> {
1623        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1624            return Task::ready(Ok(()));
1625        };
1626        let project = workspace.read(cx).project().clone();
1627
1628        window.spawn(cx, async move |cx| {
1629            let mut task = login.clone();
1630            task.shell = task::Shell::WithArguments {
1631                program: task.command.take().expect("login command should be set"),
1632                args: std::mem::take(&mut task.args),
1633                title_override: None
1634            };
1635            task.full_label = task.label.clone();
1636            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1637            task.command_label = task.label.clone();
1638            task.use_new_terminal = true;
1639            task.allow_concurrent_runs = true;
1640            task.hide = task::HideStrategy::Always;
1641
1642            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1643                terminal_panel.spawn_task(&task, window, cx)
1644            })?;
1645
1646            let terminal = terminal.await?;
1647            let mut exit_status = terminal
1648                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1649                .fuse();
1650
1651            let logged_in = cx
1652                .spawn({
1653                    let terminal = terminal.clone();
1654                    async move |cx| {
1655                        loop {
1656                            cx.background_executor().timer(Duration::from_secs(1)).await;
1657                            let content =
1658                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1659                            if content.contains("Login successful")
1660                                || content.contains("Type your message")
1661                            {
1662                                return anyhow::Ok(());
1663                            }
1664                        }
1665                    }
1666                })
1667                .fuse();
1668            futures::pin_mut!(logged_in);
1669            futures::select_biased! {
1670                result = logged_in => {
1671                    if let Err(e) = result {
1672                        log::error!("{e}");
1673                        return Err(anyhow!("exited before logging in"));
1674                    }
1675                }
1676                _ = exit_status => {
1677                    if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1678                        return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, true, window, cx))?.await
1679                    }
1680                    return Err(anyhow!("exited before logging in"));
1681                }
1682            }
1683            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1684            Ok(())
1685        })
1686    }
1687
1688    fn authorize_tool_call(
1689        &mut self,
1690        tool_call_id: acp::ToolCallId,
1691        option_id: acp::PermissionOptionId,
1692        option_kind: acp::PermissionOptionKind,
1693        window: &mut Window,
1694        cx: &mut Context<Self>,
1695    ) {
1696        let Some(thread) = self.thread() else {
1697            return;
1698        };
1699        thread.update(cx, |thread, cx| {
1700            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1701        });
1702        if self.should_be_following {
1703            self.workspace
1704                .update(cx, |workspace, cx| {
1705                    workspace.follow(CollaboratorId::Agent, window, cx);
1706                })
1707                .ok();
1708        }
1709        cx.notify();
1710    }
1711
1712    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1713        let Some(thread) = self.thread() else {
1714            return;
1715        };
1716
1717        thread
1718            .update(cx, |thread, cx| {
1719                thread.restore_checkpoint(message_id.clone(), cx)
1720            })
1721            .detach_and_log_err(cx);
1722    }
1723
1724    fn render_entry(
1725        &self,
1726        entry_ix: usize,
1727        total_entries: usize,
1728        entry: &AgentThreadEntry,
1729        window: &mut Window,
1730        cx: &Context<Self>,
1731    ) -> AnyElement {
1732        let primary = match &entry {
1733            AgentThreadEntry::UserMessage(message) => {
1734                let Some(editor) = self
1735                    .entry_view_state
1736                    .read(cx)
1737                    .entry(entry_ix)
1738                    .and_then(|entry| entry.message_editor())
1739                    .cloned()
1740                else {
1741                    return Empty.into_any_element();
1742                };
1743
1744                let editing = self.editing_message == Some(entry_ix);
1745                let editor_focus = editor.focus_handle(cx).is_focused(window);
1746                let focus_border = cx.theme().colors().border_focused;
1747
1748                let rules_item = if entry_ix == 0 {
1749                    self.render_rules_item(cx)
1750                } else {
1751                    None
1752                };
1753
1754                let has_checkpoint_button = message
1755                    .checkpoint
1756                    .as_ref()
1757                    .is_some_and(|checkpoint| checkpoint.show);
1758
1759                let agent_name = self.agent.name();
1760
1761                v_flex()
1762                    .id(("user_message", entry_ix))
1763                    .map(|this| {
1764                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1765                            this.pt(rems_from_px(18.))
1766                        } else if rules_item.is_some() {
1767                            this.pt_3()
1768                        } else {
1769                            this.pt_2()
1770                        }
1771                    })
1772                    .pb_3()
1773                    .px_2()
1774                    .gap_1p5()
1775                    .w_full()
1776                    .children(rules_item)
1777                    .children(message.id.clone().and_then(|message_id| {
1778                        message.checkpoint.as_ref()?.show.then(|| {
1779                            h_flex()
1780                                .px_3()
1781                                .gap_2()
1782                                .child(Divider::horizontal())
1783                                .child(
1784                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1785                                        .icon(IconName::Undo)
1786                                        .icon_size(IconSize::XSmall)
1787                                        .icon_position(IconPosition::Start)
1788                                        .label_size(LabelSize::XSmall)
1789                                        .icon_color(Color::Muted)
1790                                        .color(Color::Muted)
1791                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1792                                        .on_click(cx.listener(move |this, _, _window, cx| {
1793                                            this.restore_checkpoint(&message_id, cx);
1794                                        }))
1795                                )
1796                                .child(Divider::horizontal())
1797                        })
1798                    }))
1799                    .child(
1800                        div()
1801                            .relative()
1802                            .child(
1803                                div()
1804                                    .py_3()
1805                                    .px_2()
1806                                    .rounded_md()
1807                                    .shadow_md()
1808                                    .bg(cx.theme().colors().editor_background)
1809                                    .border_1()
1810                                    .when(editing && !editor_focus, |this| this.border_dashed())
1811                                    .border_color(cx.theme().colors().border)
1812                                    .map(|this|{
1813                                        if editing && editor_focus {
1814                                            this.border_color(focus_border)
1815                                        } else if message.id.is_some() {
1816                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1817                                        } else {
1818                                            this
1819                                        }
1820                                    })
1821                                    .text_xs()
1822                                    .child(editor.clone().into_any_element()),
1823                            )
1824                            .when(editor_focus, |this| {
1825                                let base_container = h_flex()
1826                                    .absolute()
1827                                    .top_neg_3p5()
1828                                    .right_3()
1829                                    .gap_1()
1830                                    .rounded_sm()
1831                                    .border_1()
1832                                    .border_color(cx.theme().colors().border)
1833                                    .bg(cx.theme().colors().editor_background)
1834                                    .overflow_hidden();
1835
1836                                if message.id.is_some() {
1837                                    this.child(
1838                                        base_container
1839                                            .child(
1840                                                IconButton::new("cancel", IconName::Close)
1841                                                    .disabled(self.is_loading_contents)
1842                                                    .icon_color(Color::Error)
1843                                                    .icon_size(IconSize::XSmall)
1844                                                    .on_click(cx.listener(Self::cancel_editing))
1845                                            )
1846                                            .child(
1847                                                if self.is_loading_contents {
1848                                                    div()
1849                                                        .id("loading-edited-message-content")
1850                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1851                                                        .child(loading_contents_spinner(IconSize::XSmall))
1852                                                        .into_any_element()
1853                                                } else {
1854                                                    IconButton::new("regenerate", IconName::Return)
1855                                                        .icon_color(Color::Muted)
1856                                                        .icon_size(IconSize::XSmall)
1857                                                        .tooltip(Tooltip::text(
1858                                                            "Editing will restart the thread from this point."
1859                                                        ))
1860                                                        .on_click(cx.listener({
1861                                                            let editor = editor.clone();
1862                                                            move |this, _, window, cx| {
1863                                                                this.regenerate(
1864                                                                    entry_ix, editor.clone(), window, cx,
1865                                                                );
1866                                                            }
1867                                                        })).into_any_element()
1868                                                }
1869                                            )
1870                                    )
1871                                } else {
1872                                    this.child(
1873                                        base_container
1874                                            .border_dashed()
1875                                            .child(
1876                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1877                                                    .icon_size(IconSize::Small)
1878                                                    .icon_color(Color::Muted)
1879                                                    .style(ButtonStyle::Transparent)
1880                                                    .tooltip(move |_window, cx| {
1881                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1882                                                            .into()
1883                                                    })
1884                                            )
1885                                    )
1886                                }
1887                            }),
1888                    )
1889                    .into_any()
1890            }
1891            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1892                let is_last = entry_ix + 1 == total_entries;
1893
1894                let style = default_markdown_style(false, false, window, cx);
1895                let message_body = v_flex()
1896                    .w_full()
1897                    .gap_3()
1898                    .children(chunks.iter().enumerate().filter_map(
1899                        |(chunk_ix, chunk)| match chunk {
1900                            AssistantMessageChunk::Message { block } => {
1901                                block.markdown().map(|md| {
1902                                    self.render_markdown(md.clone(), style.clone())
1903                                        .into_any_element()
1904                                })
1905                            }
1906                            AssistantMessageChunk::Thought { block } => {
1907                                block.markdown().map(|md| {
1908                                    self.render_thinking_block(
1909                                        entry_ix,
1910                                        chunk_ix,
1911                                        md.clone(),
1912                                        window,
1913                                        cx,
1914                                    )
1915                                    .into_any_element()
1916                                })
1917                            }
1918                        },
1919                    ))
1920                    .into_any();
1921
1922                v_flex()
1923                    .px_5()
1924                    .py_1p5()
1925                    .when(is_last, |this| this.pb_4())
1926                    .w_full()
1927                    .text_ui(cx)
1928                    .child(message_body)
1929                    .into_any()
1930            }
1931            AgentThreadEntry::ToolCall(tool_call) => {
1932                let has_terminals = tool_call.terminals().next().is_some();
1933
1934                div().w_full().map(|this| {
1935                    if has_terminals {
1936                        this.children(tool_call.terminals().map(|terminal| {
1937                            self.render_terminal_tool_call(
1938                                entry_ix, terminal, tool_call, window, cx,
1939                            )
1940                        }))
1941                    } else {
1942                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1943                    }
1944                })
1945            }
1946            .into_any(),
1947        };
1948
1949        let Some(thread) = self.thread() else {
1950            return primary;
1951        };
1952
1953        let primary = if entry_ix == total_entries - 1 {
1954            v_flex()
1955                .w_full()
1956                .child(primary)
1957                .child(self.render_thread_controls(&thread, cx))
1958                .when_some(
1959                    self.thread_feedback.comments_editor.clone(),
1960                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1961                )
1962                .into_any_element()
1963        } else {
1964            primary
1965        };
1966
1967        if let Some(editing_index) = self.editing_message.as_ref()
1968            && *editing_index < entry_ix
1969        {
1970            let backdrop = div()
1971                .id(("backdrop", entry_ix))
1972                .size_full()
1973                .absolute()
1974                .inset_0()
1975                .bg(cx.theme().colors().panel_background)
1976                .opacity(0.8)
1977                .block_mouse_except_scroll()
1978                .on_click(cx.listener(Self::cancel_editing));
1979
1980            div()
1981                .relative()
1982                .child(primary)
1983                .child(backdrop)
1984                .into_any_element()
1985        } else {
1986            primary
1987        }
1988    }
1989
1990    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1991        cx.theme()
1992            .colors()
1993            .element_background
1994            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1995    }
1996
1997    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1998        cx.theme().colors().border.opacity(0.8)
1999    }
2000
2001    fn tool_name_font_size(&self) -> Rems {
2002        rems_from_px(13.)
2003    }
2004
2005    fn render_thinking_block(
2006        &self,
2007        entry_ix: usize,
2008        chunk_ix: usize,
2009        chunk: Entity<Markdown>,
2010        window: &Window,
2011        cx: &Context<Self>,
2012    ) -> AnyElement {
2013        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2014        let card_header_id = SharedString::from("inner-card-header");
2015
2016        let key = (entry_ix, chunk_ix);
2017
2018        let is_open = self.expanded_thinking_blocks.contains(&key);
2019
2020        let scroll_handle = self
2021            .entry_view_state
2022            .read(cx)
2023            .entry(entry_ix)
2024            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2025
2026        let thinking_content = {
2027            div()
2028                .id(("thinking-content", chunk_ix))
2029                .when_some(scroll_handle, |this, scroll_handle| {
2030                    this.track_scroll(&scroll_handle)
2031                })
2032                .text_ui_sm(cx)
2033                .overflow_hidden()
2034                .child(
2035                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2036                )
2037        };
2038
2039        v_flex()
2040            .gap_1()
2041            .child(
2042                h_flex()
2043                    .id(header_id)
2044                    .group(&card_header_id)
2045                    .relative()
2046                    .w_full()
2047                    .pr_1()
2048                    .justify_between()
2049                    .child(
2050                        h_flex()
2051                            .h(window.line_height() - px(2.))
2052                            .gap_1p5()
2053                            .overflow_hidden()
2054                            .child(
2055                                Icon::new(IconName::ToolThink)
2056                                    .size(IconSize::Small)
2057                                    .color(Color::Muted),
2058                            )
2059                            .child(
2060                                div()
2061                                    .text_size(self.tool_name_font_size())
2062                                    .text_color(cx.theme().colors().text_muted)
2063                                    .child("Thinking"),
2064                            ),
2065                    )
2066                    .child(
2067                        Disclosure::new(("expand", entry_ix), is_open)
2068                            .opened_icon(IconName::ChevronUp)
2069                            .closed_icon(IconName::ChevronDown)
2070                            .visible_on_hover(&card_header_id)
2071                            .on_click(cx.listener({
2072                                move |this, _event, _window, cx| {
2073                                    if is_open {
2074                                        this.expanded_thinking_blocks.remove(&key);
2075                                    } else {
2076                                        this.expanded_thinking_blocks.insert(key);
2077                                    }
2078                                    cx.notify();
2079                                }
2080                            })),
2081                    )
2082                    .on_click(cx.listener({
2083                        move |this, _event, _window, cx| {
2084                            if is_open {
2085                                this.expanded_thinking_blocks.remove(&key);
2086                            } else {
2087                                this.expanded_thinking_blocks.insert(key);
2088                            }
2089                            cx.notify();
2090                        }
2091                    })),
2092            )
2093            .when(is_open, |this| {
2094                this.child(
2095                    div()
2096                        .ml_1p5()
2097                        .pl_3p5()
2098                        .border_l_1()
2099                        .border_color(self.tool_card_border_color(cx))
2100                        .child(thinking_content),
2101                )
2102            })
2103            .into_any_element()
2104    }
2105
2106    fn render_tool_call(
2107        &self,
2108        entry_ix: usize,
2109        tool_call: &ToolCall,
2110        window: &Window,
2111        cx: &Context<Self>,
2112    ) -> Div {
2113        let has_location = tool_call.locations.len() == 1;
2114        let card_header_id = SharedString::from("inner-tool-call-header");
2115
2116        let failed_or_canceled = match &tool_call.status {
2117            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2118            _ => false,
2119        };
2120
2121        let needs_confirmation = matches!(
2122            tool_call.status,
2123            ToolCallStatus::WaitingForConfirmation { .. }
2124        );
2125        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2126        let is_edit =
2127            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2128
2129        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2130
2131        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2132
2133        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2134
2135        let tool_output_display =
2136            if is_open {
2137                match &tool_call.status {
2138                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2139                        .w_full()
2140                        .children(tool_call.content.iter().enumerate().map(
2141                            |(content_ix, content)| {
2142                                div()
2143                                    .child(self.render_tool_call_content(
2144                                        entry_ix,
2145                                        content,
2146                                        content_ix,
2147                                        tool_call,
2148                                        use_card_layout,
2149                                        window,
2150                                        cx,
2151                                    ))
2152                                    .into_any_element()
2153                            },
2154                        ))
2155                        .child(self.render_permission_buttons(
2156                            tool_call.kind,
2157                            options,
2158                            entry_ix,
2159                            tool_call.id.clone(),
2160                            cx,
2161                        ))
2162                        .into_any(),
2163                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2164                        if is_edit
2165                            && tool_call.content.is_empty()
2166                            && self.as_native_connection(cx).is_some() =>
2167                    {
2168                        self.render_diff_loading(cx).into_any()
2169                    }
2170                    ToolCallStatus::Pending
2171                    | ToolCallStatus::InProgress
2172                    | ToolCallStatus::Completed
2173                    | ToolCallStatus::Failed
2174                    | ToolCallStatus::Canceled => v_flex()
2175                        .w_full()
2176                        .children(tool_call.content.iter().enumerate().map(
2177                            |(content_ix, content)| {
2178                                div().child(self.render_tool_call_content(
2179                                    entry_ix,
2180                                    content,
2181                                    content_ix,
2182                                    tool_call,
2183                                    use_card_layout,
2184                                    window,
2185                                    cx,
2186                                ))
2187                            },
2188                        ))
2189                        .into_any(),
2190                    ToolCallStatus::Rejected => Empty.into_any(),
2191                }
2192                .into()
2193            } else {
2194                None
2195            };
2196
2197        v_flex()
2198            .map(|this| {
2199                if use_card_layout {
2200                    this.my_1p5()
2201                        .rounded_md()
2202                        .border_1()
2203                        .border_color(self.tool_card_border_color(cx))
2204                        .bg(cx.theme().colors().editor_background)
2205                        .overflow_hidden()
2206                } else {
2207                    this.my_1()
2208                }
2209            })
2210            .map(|this| {
2211                if has_location && !use_card_layout {
2212                    this.ml_4()
2213                } else {
2214                    this.ml_5()
2215                }
2216            })
2217            .mr_5()
2218            .map(|this| {
2219                if is_terminal_tool {
2220                    this.child(
2221                        v_flex()
2222                            .p_1p5()
2223                            .gap_0p5()
2224                            .text_ui_sm(cx)
2225                            .bg(self.tool_card_header_bg(cx))
2226                            .child(
2227                                Label::new("Run Command")
2228                                    .buffer_font(cx)
2229                                    .size(LabelSize::XSmall)
2230                                    .color(Color::Muted),
2231                            )
2232                            .child(
2233                                MarkdownElement::new(
2234                                    tool_call.label.clone(),
2235                                    terminal_command_markdown_style(window, cx),
2236                                )
2237                                .code_block_renderer(
2238                                    markdown::CodeBlockRenderer::Default {
2239                                        copy_button: false,
2240                                        copy_button_on_hover: false,
2241                                        border: false,
2242                                    },
2243                                )
2244                            ),
2245                    )
2246                } else {
2247                   this.child(
2248                        h_flex()
2249                            .group(&card_header_id)
2250                            .relative()
2251                            .w_full()
2252                            .gap_1()
2253                            .justify_between()
2254                            .when(use_card_layout, |this| {
2255                                this.p_0p5()
2256                                    .rounded_t(rems_from_px(5.))
2257                                    .bg(self.tool_card_header_bg(cx))
2258                            })
2259                            .child(self.render_tool_call_label(
2260                                entry_ix,
2261                                tool_call,
2262                                is_edit,
2263                                use_card_layout,
2264                                window,
2265                                cx,
2266                            ))
2267                            .when(is_collapsible || failed_or_canceled, |this| {
2268                                this.child(
2269                                    h_flex()
2270                                        .px_1()
2271                                        .gap_px()
2272                                        .when(is_collapsible, |this| {
2273                                            this.child(
2274                                            Disclosure::new(("expand", entry_ix), is_open)
2275                                                .opened_icon(IconName::ChevronUp)
2276                                                .closed_icon(IconName::ChevronDown)
2277                                                .visible_on_hover(&card_header_id)
2278                                                .on_click(cx.listener({
2279                                                    let id = tool_call.id.clone();
2280                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2281                                                        if is_open {
2282                                                            this.expanded_tool_calls.remove(&id);
2283                                                        } else {
2284                                                            this.expanded_tool_calls.insert(id.clone());
2285                                                        }
2286                                                        cx.notify();
2287                                                    }
2288                                                })),
2289                                        )
2290                                        })
2291                                        .when(failed_or_canceled, |this| {
2292                                            this.child(
2293                                                Icon::new(IconName::Close)
2294                                                    .color(Color::Error)
2295                                                    .size(IconSize::Small),
2296                                            )
2297                                        }),
2298                                )
2299                            }),
2300                    )
2301                }
2302            })
2303            .children(tool_output_display)
2304    }
2305
2306    fn render_tool_call_label(
2307        &self,
2308        entry_ix: usize,
2309        tool_call: &ToolCall,
2310        is_edit: bool,
2311        use_card_layout: bool,
2312        window: &Window,
2313        cx: &Context<Self>,
2314    ) -> Div {
2315        let has_location = tool_call.locations.len() == 1;
2316
2317        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2318            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2319                .map(Icon::from_path)
2320                .unwrap_or(Icon::new(IconName::ToolPencil))
2321        } else {
2322            Icon::new(match tool_call.kind {
2323                acp::ToolKind::Read => IconName::ToolSearch,
2324                acp::ToolKind::Edit => IconName::ToolPencil,
2325                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2326                acp::ToolKind::Move => IconName::ArrowRightLeft,
2327                acp::ToolKind::Search => IconName::ToolSearch,
2328                acp::ToolKind::Execute => IconName::ToolTerminal,
2329                acp::ToolKind::Think => IconName::ToolThink,
2330                acp::ToolKind::Fetch => IconName::ToolWeb,
2331                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2332                acp::ToolKind::Other => IconName::ToolHammer,
2333            })
2334        }
2335        .size(IconSize::Small)
2336        .color(Color::Muted);
2337
2338        let gradient_overlay = {
2339            div()
2340                .absolute()
2341                .top_0()
2342                .right_0()
2343                .w_12()
2344                .h_full()
2345                .map(|this| {
2346                    if use_card_layout {
2347                        this.bg(linear_gradient(
2348                            90.,
2349                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2350                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2351                        ))
2352                    } else {
2353                        this.bg(linear_gradient(
2354                            90.,
2355                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2356                            linear_color_stop(
2357                                cx.theme().colors().panel_background.opacity(0.2),
2358                                0.,
2359                            ),
2360                        ))
2361                    }
2362                })
2363        };
2364
2365        h_flex()
2366            .relative()
2367            .w_full()
2368            .h(window.line_height() - px(2.))
2369            .text_size(self.tool_name_font_size())
2370            .gap_1p5()
2371            .when(has_location || use_card_layout, |this| this.px_1())
2372            .when(has_location, |this| {
2373                this.cursor(CursorStyle::PointingHand)
2374                    .rounded(rems_from_px(3.)) // Concentric border radius
2375                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2376            })
2377            .overflow_hidden()
2378            .child(tool_icon)
2379            .child(if has_location {
2380                h_flex()
2381                    .id(("open-tool-call-location", entry_ix))
2382                    .w_full()
2383                    .map(|this| {
2384                        if use_card_layout {
2385                            this.text_color(cx.theme().colors().text)
2386                        } else {
2387                            this.text_color(cx.theme().colors().text_muted)
2388                        }
2389                    })
2390                    .child(self.render_markdown(
2391                        tool_call.label.clone(),
2392                        MarkdownStyle {
2393                            prevent_mouse_interaction: true,
2394                            ..default_markdown_style(false, true, window, cx)
2395                        },
2396                    ))
2397                    .tooltip(Tooltip::text("Jump to File"))
2398                    .on_click(cx.listener(move |this, _, window, cx| {
2399                        this.open_tool_call_location(entry_ix, 0, window, cx);
2400                    }))
2401                    .into_any_element()
2402            } else {
2403                h_flex()
2404                    .w_full()
2405                    .child(self.render_markdown(
2406                        tool_call.label.clone(),
2407                        default_markdown_style(false, true, window, cx),
2408                    ))
2409                    .into_any()
2410            })
2411            .when(!is_edit, |this| this.child(gradient_overlay))
2412    }
2413
2414    fn render_tool_call_content(
2415        &self,
2416        entry_ix: usize,
2417        content: &ToolCallContent,
2418        context_ix: usize,
2419        tool_call: &ToolCall,
2420        card_layout: bool,
2421        window: &Window,
2422        cx: &Context<Self>,
2423    ) -> AnyElement {
2424        match content {
2425            ToolCallContent::ContentBlock(content) => {
2426                if let Some(resource_link) = content.resource_link() {
2427                    self.render_resource_link(resource_link, cx)
2428                } else if let Some(markdown) = content.markdown() {
2429                    self.render_markdown_output(
2430                        markdown.clone(),
2431                        tool_call.id.clone(),
2432                        context_ix,
2433                        card_layout,
2434                        window,
2435                        cx,
2436                    )
2437                } else {
2438                    Empty.into_any_element()
2439                }
2440            }
2441            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2442            ToolCallContent::Terminal(terminal) => {
2443                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2444            }
2445        }
2446    }
2447
2448    fn render_markdown_output(
2449        &self,
2450        markdown: Entity<Markdown>,
2451        tool_call_id: acp::ToolCallId,
2452        context_ix: usize,
2453        card_layout: bool,
2454        window: &Window,
2455        cx: &Context<Self>,
2456    ) -> AnyElement {
2457        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2458
2459        v_flex()
2460            .mt_1p5()
2461            .gap_2()
2462            .when(!card_layout, |this| {
2463                this.ml(rems(0.4))
2464                    .px_3p5()
2465                    .border_l_1()
2466                    .border_color(self.tool_card_border_color(cx))
2467            })
2468            .when(card_layout, |this| {
2469                this.px_2().pb_2().when(context_ix > 0, |this| {
2470                    this.border_t_1()
2471                        .pt_2()
2472                        .border_color(self.tool_card_border_color(cx))
2473                })
2474            })
2475            .text_xs()
2476            .text_color(cx.theme().colors().text_muted)
2477            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2478            .when(!card_layout, |this| {
2479                this.child(
2480                    IconButton::new(button_id, IconName::ChevronUp)
2481                        .full_width()
2482                        .style(ButtonStyle::Outlined)
2483                        .icon_color(Color::Muted)
2484                        .on_click(cx.listener({
2485                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2486                                this.expanded_tool_calls.remove(&tool_call_id);
2487                                cx.notify();
2488                            }
2489                        })),
2490                )
2491            })
2492            .into_any_element()
2493    }
2494
2495    fn render_resource_link(
2496        &self,
2497        resource_link: &acp::ResourceLink,
2498        cx: &Context<Self>,
2499    ) -> AnyElement {
2500        let uri: SharedString = resource_link.uri.clone().into();
2501        let is_file = resource_link.uri.strip_prefix("file://");
2502
2503        let label: SharedString = if let Some(abs_path) = is_file {
2504            if let Some(project_path) = self
2505                .project
2506                .read(cx)
2507                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2508                && let Some(worktree) = self
2509                    .project
2510                    .read(cx)
2511                    .worktree_for_id(project_path.worktree_id, cx)
2512            {
2513                worktree
2514                    .read(cx)
2515                    .full_path(&project_path.path)
2516                    .to_string_lossy()
2517                    .to_string()
2518                    .into()
2519            } else {
2520                abs_path.to_string().into()
2521            }
2522        } else {
2523            uri.clone()
2524        };
2525
2526        let button_id = SharedString::from(format!("item-{}", uri));
2527
2528        div()
2529            .ml(rems(0.4))
2530            .pl_2p5()
2531            .border_l_1()
2532            .border_color(self.tool_card_border_color(cx))
2533            .overflow_hidden()
2534            .child(
2535                Button::new(button_id, label)
2536                    .label_size(LabelSize::Small)
2537                    .color(Color::Muted)
2538                    .truncate(true)
2539                    .when(is_file.is_none(), |this| {
2540                        this.icon(IconName::ArrowUpRight)
2541                            .icon_size(IconSize::XSmall)
2542                            .icon_color(Color::Muted)
2543                    })
2544                    .on_click(cx.listener({
2545                        let workspace = self.workspace.clone();
2546                        move |_, _, window, cx: &mut Context<Self>| {
2547                            Self::open_link(uri.clone(), &workspace, window, cx);
2548                        }
2549                    })),
2550            )
2551            .into_any_element()
2552    }
2553
2554    fn render_permission_buttons(
2555        &self,
2556        kind: acp::ToolKind,
2557        options: &[acp::PermissionOption],
2558        entry_ix: usize,
2559        tool_call_id: acp::ToolCallId,
2560        cx: &Context<Self>,
2561    ) -> Div {
2562        let is_first = self.thread().is_some_and(|thread| {
2563            thread
2564                .read(cx)
2565                .first_tool_awaiting_confirmation()
2566                .is_some_and(|call| call.id == tool_call_id)
2567        });
2568        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2569
2570        div()
2571            .p_1()
2572            .border_t_1()
2573            .border_color(self.tool_card_border_color(cx))
2574            .w_full()
2575            .map(|this| {
2576                if kind == acp::ToolKind::SwitchMode {
2577                    this.v_flex()
2578                } else {
2579                    this.h_flex().justify_end().flex_wrap()
2580                }
2581            })
2582            .gap_0p5()
2583            .children(options.iter().map(move |option| {
2584                let option_id = SharedString::from(option.id.0.clone());
2585                Button::new((option_id, entry_ix), option.name.clone())
2586                    .map(|this| {
2587                        let (this, action) = match option.kind {
2588                            acp::PermissionOptionKind::AllowOnce => (
2589                                this.icon(IconName::Check).icon_color(Color::Success),
2590                                Some(&AllowOnce as &dyn Action),
2591                            ),
2592                            acp::PermissionOptionKind::AllowAlways => (
2593                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2594                                Some(&AllowAlways as &dyn Action),
2595                            ),
2596                            acp::PermissionOptionKind::RejectOnce => (
2597                                this.icon(IconName::Close).icon_color(Color::Error),
2598                                Some(&RejectOnce as &dyn Action),
2599                            ),
2600                            acp::PermissionOptionKind::RejectAlways => {
2601                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2602                            }
2603                        };
2604
2605                        let Some(action) = action else {
2606                            return this;
2607                        };
2608
2609                        if !is_first || seen_kinds.contains(&option.kind) {
2610                            return this;
2611                        }
2612
2613                        seen_kinds.push(option.kind);
2614
2615                        this.key_binding(
2616                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
2617                                .map(|kb| kb.size(rems_from_px(10.))),
2618                        )
2619                    })
2620                    .icon_position(IconPosition::Start)
2621                    .icon_size(IconSize::XSmall)
2622                    .label_size(LabelSize::Small)
2623                    .on_click(cx.listener({
2624                        let tool_call_id = tool_call_id.clone();
2625                        let option_id = option.id.clone();
2626                        let option_kind = option.kind;
2627                        move |this, _, window, cx| {
2628                            this.authorize_tool_call(
2629                                tool_call_id.clone(),
2630                                option_id.clone(),
2631                                option_kind,
2632                                window,
2633                                cx,
2634                            );
2635                        }
2636                    }))
2637            }))
2638    }
2639
2640    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2641        let bar = |n: u64, width_class: &str| {
2642            let bg_color = cx.theme().colors().element_active;
2643            let base = h_flex().h_1().rounded_full();
2644
2645            let modified = match width_class {
2646                "w_4_5" => base.w_3_4(),
2647                "w_1_4" => base.w_1_4(),
2648                "w_2_4" => base.w_2_4(),
2649                "w_3_5" => base.w_3_5(),
2650                "w_2_5" => base.w_2_5(),
2651                _ => base.w_1_2(),
2652            };
2653
2654            modified.with_animation(
2655                ElementId::Integer(n),
2656                Animation::new(Duration::from_secs(2)).repeat(),
2657                move |tab, delta| {
2658                    let delta = (delta - 0.15 * n as f32) / 0.7;
2659                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2660                    let delta = ease_in_out(delta.clamp(0., 1.));
2661                    let delta = 0.1 + 0.9 * delta;
2662
2663                    tab.bg(bg_color.opacity(delta))
2664                },
2665            )
2666        };
2667
2668        v_flex()
2669            .p_3()
2670            .gap_1()
2671            .rounded_b_md()
2672            .bg(cx.theme().colors().editor_background)
2673            .child(bar(0, "w_4_5"))
2674            .child(bar(1, "w_1_4"))
2675            .child(bar(2, "w_2_4"))
2676            .child(bar(3, "w_3_5"))
2677            .child(bar(4, "w_2_5"))
2678            .into_any_element()
2679    }
2680
2681    fn render_diff_editor(
2682        &self,
2683        entry_ix: usize,
2684        diff: &Entity<acp_thread::Diff>,
2685        tool_call: &ToolCall,
2686        cx: &Context<Self>,
2687    ) -> AnyElement {
2688        let tool_progress = matches!(
2689            &tool_call.status,
2690            ToolCallStatus::InProgress | ToolCallStatus::Pending
2691        );
2692
2693        v_flex()
2694            .h_full()
2695            .border_t_1()
2696            .border_color(self.tool_card_border_color(cx))
2697            .child(
2698                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2699                    && let Some(editor) = entry.editor_for_diff(diff)
2700                    && diff.read(cx).has_revealed_range(cx)
2701                {
2702                    editor.into_any_element()
2703                } else if tool_progress && self.as_native_connection(cx).is_some() {
2704                    self.render_diff_loading(cx)
2705                } else {
2706                    Empty.into_any()
2707                },
2708            )
2709            .into_any()
2710    }
2711
2712    fn render_terminal_tool_call(
2713        &self,
2714        entry_ix: usize,
2715        terminal: &Entity<acp_thread::Terminal>,
2716        tool_call: &ToolCall,
2717        window: &Window,
2718        cx: &Context<Self>,
2719    ) -> AnyElement {
2720        let terminal_data = terminal.read(cx);
2721        let working_dir = terminal_data.working_dir();
2722        let command = terminal_data.command();
2723        let started_at = terminal_data.started_at();
2724
2725        let tool_failed = matches!(
2726            &tool_call.status,
2727            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2728        );
2729
2730        let output = terminal_data.output();
2731        let command_finished = output.is_some();
2732        let truncated_output =
2733            output.is_some_and(|output| output.original_content_len > output.content.len());
2734        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2735
2736        let command_failed = command_finished
2737            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
2738
2739        let time_elapsed = if let Some(output) = output {
2740            output.ended_at.duration_since(started_at)
2741        } else {
2742            started_at.elapsed()
2743        };
2744
2745        let header_id =
2746            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2747        let header_group = SharedString::from(format!(
2748            "terminal-tool-header-group-{}",
2749            terminal.entity_id()
2750        ));
2751        let header_bg = cx
2752            .theme()
2753            .colors()
2754            .element_background
2755            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2756        let border_color = cx.theme().colors().border.opacity(0.6);
2757
2758        let working_dir = working_dir
2759            .as_ref()
2760            .map(|path| path.display().to_string())
2761            .unwrap_or_else(|| "current directory".to_string());
2762
2763        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2764
2765        let header = h_flex()
2766            .id(header_id)
2767            .flex_none()
2768            .gap_1()
2769            .justify_between()
2770            .rounded_t_md()
2771            .child(
2772                div()
2773                    .id(("command-target-path", terminal.entity_id()))
2774                    .w_full()
2775                    .max_w_full()
2776                    .overflow_x_scroll()
2777                    .child(
2778                        Label::new(working_dir)
2779                            .buffer_font(cx)
2780                            .size(LabelSize::XSmall)
2781                            .color(Color::Muted),
2782                    ),
2783            )
2784            .when(!command_finished, |header| {
2785                header
2786                    .gap_1p5()
2787                    .child(
2788                        Button::new(
2789                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2790                            "Stop",
2791                        )
2792                        .icon(IconName::Stop)
2793                        .icon_position(IconPosition::Start)
2794                        .icon_size(IconSize::Small)
2795                        .icon_color(Color::Error)
2796                        .label_size(LabelSize::Small)
2797                        .tooltip(move |_window, cx| {
2798                            Tooltip::with_meta(
2799                                "Stop This Command",
2800                                None,
2801                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2802                                cx,
2803                            )
2804                        })
2805                        .on_click({
2806                            let terminal = terminal.clone();
2807                            cx.listener(move |_this, _event, _window, cx| {
2808                                let inner_terminal = terminal.read(cx).inner().clone();
2809                                inner_terminal.update(cx, |inner_terminal, _cx| {
2810                                    inner_terminal.kill_active_task();
2811                                });
2812                            })
2813                        }),
2814                    )
2815                    .child(Divider::vertical())
2816                    .child(
2817                        Icon::new(IconName::ArrowCircle)
2818                            .size(IconSize::XSmall)
2819                            .color(Color::Info)
2820                            .with_rotate_animation(2)
2821                    )
2822            })
2823            .when(truncated_output, |header| {
2824                let tooltip = if let Some(output) = output {
2825                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2826                       format!("Output exceeded terminal max lines and was \
2827                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2828                    } else {
2829                        format!(
2830                            "Output is {} long, and to avoid unexpected token usage, \
2831                                only {} was sent back to the agent.",
2832                            format_file_size(output.original_content_len as u64, true),
2833                             format_file_size(output.content.len() as u64, true)
2834                        )
2835                    }
2836                } else {
2837                    "Output was truncated".to_string()
2838                };
2839
2840                header.child(
2841                    h_flex()
2842                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2843                        .gap_1()
2844                        .child(
2845                            Icon::new(IconName::Info)
2846                                .size(IconSize::XSmall)
2847                                .color(Color::Ignored),
2848                        )
2849                        .child(
2850                            Label::new("Truncated")
2851                                .color(Color::Muted)
2852                                .size(LabelSize::XSmall),
2853                        )
2854                        .tooltip(Tooltip::text(tooltip)),
2855                )
2856            })
2857            .when(time_elapsed > Duration::from_secs(10), |header| {
2858                header.child(
2859                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2860                        .buffer_font(cx)
2861                        .color(Color::Muted)
2862                        .size(LabelSize::XSmall),
2863                )
2864            })
2865            .when(tool_failed || command_failed, |header| {
2866                header.child(
2867                    div()
2868                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2869                        .child(
2870                            Icon::new(IconName::Close)
2871                                .size(IconSize::Small)
2872                                .color(Color::Error),
2873                        )
2874                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2875                            this.tooltip(Tooltip::text(format!(
2876                                "Exited with code {}",
2877                                status.code().unwrap_or(-1),
2878                            )))
2879                        }),
2880                )
2881            })
2882            .child(
2883                Disclosure::new(
2884                    SharedString::from(format!(
2885                        "terminal-tool-disclosure-{}",
2886                        terminal.entity_id()
2887                    )),
2888                    is_expanded,
2889                )
2890                .opened_icon(IconName::ChevronUp)
2891                .closed_icon(IconName::ChevronDown)
2892                .visible_on_hover(&header_group)
2893                .on_click(cx.listener({
2894                    let id = tool_call.id.clone();
2895                    move |this, _event, _window, _cx| {
2896                        if is_expanded {
2897                            this.expanded_tool_calls.remove(&id);
2898                        } else {
2899                            this.expanded_tool_calls.insert(id.clone());
2900                        }
2901                    }
2902                })),
2903            );
2904
2905        let terminal_view = self
2906            .entry_view_state
2907            .read(cx)
2908            .entry(entry_ix)
2909            .and_then(|entry| entry.terminal(terminal));
2910        let show_output = is_expanded && terminal_view.is_some();
2911
2912        v_flex()
2913            .my_1p5()
2914            .mx_5()
2915            .border_1()
2916            .when(tool_failed || command_failed, |card| card.border_dashed())
2917            .border_color(border_color)
2918            .rounded_md()
2919            .overflow_hidden()
2920            .child(
2921                v_flex()
2922                    .group(&header_group)
2923                    .py_1p5()
2924                    .pr_1p5()
2925                    .pl_2()
2926                    .gap_0p5()
2927                    .bg(header_bg)
2928                    .text_xs()
2929                    .child(header)
2930                    .child(
2931                        MarkdownElement::new(
2932                            command.clone(),
2933                            terminal_command_markdown_style(window, cx),
2934                        )
2935                        .code_block_renderer(
2936                            markdown::CodeBlockRenderer::Default {
2937                                copy_button: false,
2938                                copy_button_on_hover: true,
2939                                border: false,
2940                            },
2941                        ),
2942                    ),
2943            )
2944            .when(show_output, |this| {
2945                this.child(
2946                    div()
2947                        .pt_2()
2948                        .border_t_1()
2949                        .when(tool_failed || command_failed, |card| card.border_dashed())
2950                        .border_color(border_color)
2951                        .bg(cx.theme().colors().editor_background)
2952                        .rounded_b_md()
2953                        .text_ui_sm(cx)
2954                        .h_full()
2955                        .children(terminal_view.map(|terminal_view| {
2956                            if terminal_view
2957                                .read(cx)
2958                                .content_mode(window, cx)
2959                                .is_scrollable()
2960                            {
2961                                div().h_72().child(terminal_view).into_any_element()
2962                            } else {
2963                                terminal_view.into_any_element()
2964                            }
2965                        })),
2966                )
2967            })
2968            .into_any()
2969    }
2970
2971    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2972        let project_context = self
2973            .as_native_thread(cx)?
2974            .read(cx)
2975            .project_context()
2976            .read(cx);
2977
2978        let user_rules_text = if project_context.user_rules.is_empty() {
2979            None
2980        } else if project_context.user_rules.len() == 1 {
2981            let user_rules = &project_context.user_rules[0];
2982
2983            match user_rules.title.as_ref() {
2984                Some(title) => Some(format!("Using \"{title}\" user rule")),
2985                None => Some("Using user rule".into()),
2986            }
2987        } else {
2988            Some(format!(
2989                "Using {} user rules",
2990                project_context.user_rules.len()
2991            ))
2992        };
2993
2994        let first_user_rules_id = project_context
2995            .user_rules
2996            .first()
2997            .map(|user_rules| user_rules.uuid.0);
2998
2999        let rules_files = project_context
3000            .worktrees
3001            .iter()
3002            .filter_map(|worktree| worktree.rules_file.as_ref())
3003            .collect::<Vec<_>>();
3004
3005        let rules_file_text = match rules_files.as_slice() {
3006            &[] => None,
3007            &[rules_file] => Some(format!(
3008                "Using project {:?} file",
3009                rules_file.path_in_worktree
3010            )),
3011            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3012        };
3013
3014        if user_rules_text.is_none() && rules_file_text.is_none() {
3015            return None;
3016        }
3017
3018        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3019
3020        Some(
3021            h_flex()
3022                .px_2p5()
3023                .child(
3024                    Icon::new(IconName::Attach)
3025                        .size(IconSize::XSmall)
3026                        .color(Color::Disabled),
3027                )
3028                .when_some(user_rules_text, |parent, user_rules_text| {
3029                    parent.child(
3030                        h_flex()
3031                            .id("user-rules")
3032                            .ml_1()
3033                            .mr_1p5()
3034                            .child(
3035                                Label::new(user_rules_text)
3036                                    .size(LabelSize::XSmall)
3037                                    .color(Color::Muted)
3038                                    .truncate(),
3039                            )
3040                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3041                            .tooltip(Tooltip::text("View User Rules"))
3042                            .on_click(move |_event, window, cx| {
3043                                window.dispatch_action(
3044                                    Box::new(OpenRulesLibrary {
3045                                        prompt_to_select: first_user_rules_id,
3046                                    }),
3047                                    cx,
3048                                )
3049                            }),
3050                    )
3051                })
3052                .when(has_both, |this| {
3053                    this.child(
3054                        Label::new("")
3055                            .size(LabelSize::XSmall)
3056                            .color(Color::Disabled),
3057                    )
3058                })
3059                .when_some(rules_file_text, |parent, rules_file_text| {
3060                    parent.child(
3061                        h_flex()
3062                            .id("project-rules")
3063                            .ml_1p5()
3064                            .child(
3065                                Label::new(rules_file_text)
3066                                    .size(LabelSize::XSmall)
3067                                    .color(Color::Muted),
3068                            )
3069                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3070                            .tooltip(Tooltip::text("View Project Rules"))
3071                            .on_click(cx.listener(Self::handle_open_rules)),
3072                    )
3073                })
3074                .into_any(),
3075        )
3076    }
3077
3078    fn render_empty_state_section_header(
3079        &self,
3080        label: impl Into<SharedString>,
3081        action_slot: Option<AnyElement>,
3082        cx: &mut Context<Self>,
3083    ) -> impl IntoElement {
3084        div().pl_1().pr_1p5().child(
3085            h_flex()
3086                .mt_2()
3087                .pl_1p5()
3088                .pb_1()
3089                .w_full()
3090                .justify_between()
3091                .border_b_1()
3092                .border_color(cx.theme().colors().border_variant)
3093                .child(
3094                    Label::new(label.into())
3095                        .size(LabelSize::Small)
3096                        .color(Color::Muted),
3097                )
3098                .children(action_slot),
3099        )
3100    }
3101
3102    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3103        let render_history = self
3104            .agent
3105            .clone()
3106            .downcast::<agent::NativeAgentServer>()
3107            .is_some()
3108            && self
3109                .history_store
3110                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3111
3112        v_flex()
3113            .size_full()
3114            .when(render_history, |this| {
3115                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3116                    history_store.entries().take(3).collect()
3117                });
3118                this.justify_end().child(
3119                    v_flex()
3120                        .child(
3121                            self.render_empty_state_section_header(
3122                                "Recent",
3123                                Some(
3124                                    Button::new("view-history", "View All")
3125                                        .style(ButtonStyle::Subtle)
3126                                        .label_size(LabelSize::Small)
3127                                        .key_binding(
3128                                            KeyBinding::for_action_in(
3129                                                &OpenHistory,
3130                                                &self.focus_handle(cx),
3131                                                cx,
3132                                            )
3133                                            .map(|kb| kb.size(rems_from_px(12.))),
3134                                        )
3135                                        .on_click(move |_event, window, cx| {
3136                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3137                                        })
3138                                        .into_any_element(),
3139                                ),
3140                                cx,
3141                            ),
3142                        )
3143                        .child(
3144                            v_flex().p_1().pr_1p5().gap_1().children(
3145                                recent_history
3146                                    .into_iter()
3147                                    .enumerate()
3148                                    .map(|(index, entry)| {
3149                                        // TODO: Add keyboard navigation.
3150                                        let is_hovered =
3151                                            self.hovered_recent_history_item == Some(index);
3152                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3153                                            entry,
3154                                            cx.entity().downgrade(),
3155                                        )
3156                                        .hovered(is_hovered)
3157                                        .on_hover(cx.listener(
3158                                            move |this, is_hovered, _window, cx| {
3159                                                if *is_hovered {
3160                                                    this.hovered_recent_history_item = Some(index);
3161                                                } else if this.hovered_recent_history_item
3162                                                    == Some(index)
3163                                                {
3164                                                    this.hovered_recent_history_item = None;
3165                                                }
3166                                                cx.notify();
3167                                            },
3168                                        ))
3169                                        .into_any_element()
3170                                    }),
3171                            ),
3172                        ),
3173                )
3174            })
3175            .into_any()
3176    }
3177
3178    fn render_auth_required_state(
3179        &self,
3180        connection: &Rc<dyn AgentConnection>,
3181        description: Option<&Entity<Markdown>>,
3182        configuration_view: Option<&AnyView>,
3183        pending_auth_method: Option<&acp::AuthMethodId>,
3184        window: &mut Window,
3185        cx: &Context<Self>,
3186    ) -> Div {
3187        let show_description =
3188            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3189
3190        let auth_methods = connection.auth_methods();
3191
3192        v_flex().flex_1().size_full().justify_end().child(
3193            v_flex()
3194                .p_2()
3195                .pr_3()
3196                .w_full()
3197                .gap_1()
3198                .border_t_1()
3199                .border_color(cx.theme().colors().border)
3200                .bg(cx.theme().status().warning.opacity(0.04))
3201                .child(
3202                    h_flex()
3203                        .gap_1p5()
3204                        .child(
3205                            Icon::new(IconName::Warning)
3206                                .color(Color::Warning)
3207                                .size(IconSize::Small),
3208                        )
3209                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3210                )
3211                .children(description.map(|desc| {
3212                    div().text_ui(cx).child(self.render_markdown(
3213                        desc.clone(),
3214                        default_markdown_style(false, false, window, cx),
3215                    ))
3216                }))
3217                .children(
3218                    configuration_view
3219                        .cloned()
3220                        .map(|view| div().w_full().child(view)),
3221                )
3222                .when(show_description, |el| {
3223                    el.child(
3224                        Label::new(format!(
3225                            "You are not currently authenticated with {}.{}",
3226                            self.agent.name(),
3227                            if auth_methods.len() > 1 {
3228                                " Please choose one of the following options:"
3229                            } else {
3230                                ""
3231                            }
3232                        ))
3233                        .size(LabelSize::Small)
3234                        .color(Color::Muted)
3235                        .mb_1()
3236                        .ml_5(),
3237                    )
3238                })
3239                .when_some(pending_auth_method, |el, _| {
3240                    el.child(
3241                        h_flex()
3242                            .py_4()
3243                            .w_full()
3244                            .justify_center()
3245                            .gap_1()
3246                            .child(
3247                                Icon::new(IconName::ArrowCircle)
3248                                    .size(IconSize::Small)
3249                                    .color(Color::Muted)
3250                                    .with_rotate_animation(2),
3251                            )
3252                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3253                    )
3254                })
3255                .when(!auth_methods.is_empty(), |this| {
3256                    this.child(
3257                        h_flex()
3258                            .justify_end()
3259                            .flex_wrap()
3260                            .gap_1()
3261                            .when(!show_description, |this| {
3262                                this.border_t_1()
3263                                    .mt_1()
3264                                    .pt_2()
3265                                    .border_color(cx.theme().colors().border.opacity(0.8))
3266                            })
3267                            .children(connection.auth_methods().iter().enumerate().rev().map(
3268                                |(ix, method)| {
3269                                    let (method_id, name) = if self
3270                                        .project
3271                                        .read(cx)
3272                                        .is_via_remote_server()
3273                                        && method.id.0.as_ref() == "oauth-personal"
3274                                        && method.name == "Log in with Google"
3275                                    {
3276                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3277                                    } else {
3278                                        (method.id.0.clone(), method.name.clone())
3279                                    };
3280
3281                                    Button::new(SharedString::from(method_id.clone()), name)
3282                                        .label_size(LabelSize::Small)
3283                                        .map(|this| {
3284                                            if ix == 0 {
3285                                                this.style(ButtonStyle::Tinted(TintColor::Warning))
3286                                            } else {
3287                                                this.style(ButtonStyle::Outlined)
3288                                            }
3289                                        })
3290                                        .when_some(
3291                                            method.description.clone(),
3292                                            |this, description| {
3293                                                this.tooltip(Tooltip::text(description))
3294                                            },
3295                                        )
3296                                        .on_click({
3297                                            cx.listener(move |this, _, window, cx| {
3298                                                telemetry::event!(
3299                                                    "Authenticate Agent Started",
3300                                                    agent = this.agent.telemetry_id(),
3301                                                    method = method_id
3302                                                );
3303
3304                                                this.authenticate(
3305                                                    acp::AuthMethodId(method_id.clone()),
3306                                                    window,
3307                                                    cx,
3308                                                )
3309                                            })
3310                                        })
3311                                },
3312                            )),
3313                    )
3314                }),
3315        )
3316    }
3317
3318    fn render_load_error(
3319        &self,
3320        e: &LoadError,
3321        window: &mut Window,
3322        cx: &mut Context<Self>,
3323    ) -> AnyElement {
3324        let (title, message, action_slot): (_, SharedString, _) = match e {
3325            LoadError::Unsupported {
3326                command: path,
3327                current_version,
3328                minimum_version,
3329            } => {
3330                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3331            }
3332            LoadError::FailedToInstall(msg) => (
3333                "Failed to Install",
3334                msg.into(),
3335                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3336            ),
3337            LoadError::Exited { status } => (
3338                "Failed to Launch",
3339                format!("Server exited with status {status}").into(),
3340                None,
3341            ),
3342            LoadError::Other(msg) => (
3343                "Failed to Launch",
3344                msg.into(),
3345                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3346            ),
3347        };
3348
3349        Callout::new()
3350            .severity(Severity::Error)
3351            .icon(IconName::XCircleFilled)
3352            .title(title)
3353            .description(message)
3354            .actions_slot(div().children(action_slot))
3355            .into_any_element()
3356    }
3357
3358    fn render_unsupported(
3359        &self,
3360        path: &SharedString,
3361        version: &SharedString,
3362        minimum_version: &SharedString,
3363        _window: &mut Window,
3364        cx: &mut Context<Self>,
3365    ) -> AnyElement {
3366        let (heading_label, description_label) = (
3367            format!("Upgrade {} to work with Zed", self.agent.name()),
3368            if version.is_empty() {
3369                format!(
3370                    "Currently using {}, which does not report a valid --version",
3371                    path,
3372                )
3373            } else {
3374                format!(
3375                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3376                    path, version
3377                )
3378            },
3379        );
3380
3381        v_flex()
3382            .w_full()
3383            .p_3p5()
3384            .gap_2p5()
3385            .border_t_1()
3386            .border_color(cx.theme().colors().border)
3387            .bg(linear_gradient(
3388                180.,
3389                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3390                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3391            ))
3392            .child(
3393                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3394                    Label::new(description_label)
3395                        .size(LabelSize::Small)
3396                        .color(Color::Muted),
3397                ),
3398            )
3399            .into_any_element()
3400    }
3401
3402    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3403        let editor_bg_color = cx.theme().colors().editor_background;
3404        let active_color = cx.theme().colors().element_selected;
3405        editor_bg_color.blend(active_color.opacity(0.3))
3406    }
3407
3408    fn render_activity_bar(
3409        &self,
3410        thread_entity: &Entity<AcpThread>,
3411        window: &mut Window,
3412        cx: &Context<Self>,
3413    ) -> Option<AnyElement> {
3414        let thread = thread_entity.read(cx);
3415        let action_log = thread.action_log();
3416        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3417        let plan = thread.plan();
3418
3419        if changed_buffers.is_empty() && plan.is_empty() {
3420            return None;
3421        }
3422
3423        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3424        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3425        // be, which blocks you from being able to accept or reject edits. This switches the
3426        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3427        // block you from using the panel.
3428        let pending_edits = false;
3429
3430        v_flex()
3431            .mt_1()
3432            .mx_2()
3433            .bg(self.activity_bar_bg(cx))
3434            .border_1()
3435            .border_b_0()
3436            .border_color(cx.theme().colors().border)
3437            .rounded_t_md()
3438            .shadow(vec![gpui::BoxShadow {
3439                color: gpui::black().opacity(0.15),
3440                offset: point(px(1.), px(-1.)),
3441                blur_radius: px(3.),
3442                spread_radius: px(0.),
3443            }])
3444            .when(!plan.is_empty(), |this| {
3445                this.child(self.render_plan_summary(plan, window, cx))
3446                    .when(self.plan_expanded, |parent| {
3447                        parent.child(self.render_plan_entries(plan, window, cx))
3448                    })
3449            })
3450            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3451                this.child(Divider::horizontal().color(DividerColor::Border))
3452            })
3453            .when(!changed_buffers.is_empty(), |this| {
3454                this.child(self.render_edits_summary(
3455                    &changed_buffers,
3456                    self.edits_expanded,
3457                    pending_edits,
3458                    cx,
3459                ))
3460                .when(self.edits_expanded, |parent| {
3461                    parent.child(self.render_edited_files(
3462                        action_log,
3463                        &changed_buffers,
3464                        pending_edits,
3465                        cx,
3466                    ))
3467                })
3468            })
3469            .into_any()
3470            .into()
3471    }
3472
3473    fn render_plan_summary(
3474        &self,
3475        plan: &Plan,
3476        window: &mut Window,
3477        cx: &Context<Self>,
3478    ) -> impl IntoElement {
3479        let stats = plan.stats();
3480
3481        let title = if let Some(entry) = stats.in_progress_entry
3482            && !self.plan_expanded
3483        {
3484            h_flex()
3485                .cursor_default()
3486                .relative()
3487                .w_full()
3488                .gap_1()
3489                .truncate()
3490                .child(
3491                    Label::new("Current:")
3492                        .size(LabelSize::Small)
3493                        .color(Color::Muted),
3494                )
3495                .child(
3496                    div()
3497                        .text_xs()
3498                        .text_color(cx.theme().colors().text_muted)
3499                        .line_clamp(1)
3500                        .child(MarkdownElement::new(
3501                            entry.content.clone(),
3502                            plan_label_markdown_style(&entry.status, window, cx),
3503                        )),
3504                )
3505                .when(stats.pending > 0, |this| {
3506                    this.child(
3507                        h_flex()
3508                            .absolute()
3509                            .top_0()
3510                            .right_0()
3511                            .h_full()
3512                            .child(div().min_w_8().h_full().bg(linear_gradient(
3513                                90.,
3514                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3515                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3516                            )))
3517                            .child(
3518                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3519                                    Label::new(format!("{} left", stats.pending))
3520                                        .size(LabelSize::Small)
3521                                        .color(Color::Muted),
3522                                ),
3523                            ),
3524                    )
3525                })
3526        } else {
3527            let status_label = if stats.pending == 0 {
3528                "All Done".to_string()
3529            } else if stats.completed == 0 {
3530                format!("{} Tasks", plan.entries.len())
3531            } else {
3532                format!("{}/{}", stats.completed, plan.entries.len())
3533            };
3534
3535            h_flex()
3536                .w_full()
3537                .gap_1()
3538                .justify_between()
3539                .child(
3540                    Label::new("Plan")
3541                        .size(LabelSize::Small)
3542                        .color(Color::Muted),
3543                )
3544                .child(
3545                    Label::new(status_label)
3546                        .size(LabelSize::Small)
3547                        .color(Color::Muted)
3548                        .mr_1(),
3549                )
3550        };
3551
3552        h_flex()
3553            .id("plan_summary")
3554            .p_1()
3555            .w_full()
3556            .gap_1()
3557            .when(self.plan_expanded, |this| {
3558                this.border_b_1().border_color(cx.theme().colors().border)
3559            })
3560            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3561            .child(title)
3562            .on_click(cx.listener(|this, _, _, cx| {
3563                this.plan_expanded = !this.plan_expanded;
3564                cx.notify();
3565            }))
3566    }
3567
3568    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3569        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3570            let element = h_flex()
3571                .py_1()
3572                .px_2()
3573                .gap_2()
3574                .justify_between()
3575                .bg(cx.theme().colors().editor_background)
3576                .when(index < plan.entries.len() - 1, |parent| {
3577                    parent.border_color(cx.theme().colors().border).border_b_1()
3578                })
3579                .child(
3580                    h_flex()
3581                        .id(("plan_entry", index))
3582                        .gap_1p5()
3583                        .max_w_full()
3584                        .overflow_x_scroll()
3585                        .text_xs()
3586                        .text_color(cx.theme().colors().text_muted)
3587                        .child(match entry.status {
3588                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3589                                .size(IconSize::Small)
3590                                .color(Color::Muted)
3591                                .into_any_element(),
3592                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3593                                .size(IconSize::Small)
3594                                .color(Color::Accent)
3595                                .with_rotate_animation(2)
3596                                .into_any_element(),
3597                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3598                                .size(IconSize::Small)
3599                                .color(Color::Success)
3600                                .into_any_element(),
3601                        })
3602                        .child(MarkdownElement::new(
3603                            entry.content.clone(),
3604                            plan_label_markdown_style(&entry.status, window, cx),
3605                        )),
3606                );
3607
3608            Some(element)
3609        }))
3610    }
3611
3612    fn render_edits_summary(
3613        &self,
3614        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3615        expanded: bool,
3616        pending_edits: bool,
3617        cx: &Context<Self>,
3618    ) -> Div {
3619        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3620
3621        let focus_handle = self.focus_handle(cx);
3622
3623        h_flex()
3624            .p_1()
3625            .justify_between()
3626            .flex_wrap()
3627            .when(expanded, |this| {
3628                this.border_b_1().border_color(cx.theme().colors().border)
3629            })
3630            .child(
3631                h_flex()
3632                    .id("edits-container")
3633                    .gap_1()
3634                    .child(Disclosure::new("edits-disclosure", expanded))
3635                    .map(|this| {
3636                        if pending_edits {
3637                            this.child(
3638                                Label::new(format!(
3639                                    "Editing {} {}",
3640                                    changed_buffers.len(),
3641                                    if changed_buffers.len() == 1 {
3642                                        "file"
3643                                    } else {
3644                                        "files"
3645                                    }
3646                                ))
3647                                .color(Color::Muted)
3648                                .size(LabelSize::Small)
3649                                .with_animation(
3650                                    "edit-label",
3651                                    Animation::new(Duration::from_secs(2))
3652                                        .repeat()
3653                                        .with_easing(pulsating_between(0.3, 0.7)),
3654                                    |label, delta| label.alpha(delta),
3655                                ),
3656                            )
3657                        } else {
3658                            this.child(
3659                                Label::new("Edits")
3660                                    .size(LabelSize::Small)
3661                                    .color(Color::Muted),
3662                            )
3663                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3664                            .child(
3665                                Label::new(format!(
3666                                    "{} {}",
3667                                    changed_buffers.len(),
3668                                    if changed_buffers.len() == 1 {
3669                                        "file"
3670                                    } else {
3671                                        "files"
3672                                    }
3673                                ))
3674                                .size(LabelSize::Small)
3675                                .color(Color::Muted),
3676                            )
3677                        }
3678                    })
3679                    .on_click(cx.listener(|this, _, _, cx| {
3680                        this.edits_expanded = !this.edits_expanded;
3681                        cx.notify();
3682                    })),
3683            )
3684            .child(
3685                h_flex()
3686                    .gap_1()
3687                    .child(
3688                        IconButton::new("review-changes", IconName::ListTodo)
3689                            .icon_size(IconSize::Small)
3690                            .tooltip({
3691                                let focus_handle = focus_handle.clone();
3692                                move |_window, cx| {
3693                                    Tooltip::for_action_in(
3694                                        "Review Changes",
3695                                        &OpenAgentDiff,
3696                                        &focus_handle,
3697                                        cx,
3698                                    )
3699                                }
3700                            })
3701                            .on_click(cx.listener(|_, _, window, cx| {
3702                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3703                            })),
3704                    )
3705                    .child(Divider::vertical().color(DividerColor::Border))
3706                    .child(
3707                        Button::new("reject-all-changes", "Reject All")
3708                            .label_size(LabelSize::Small)
3709                            .disabled(pending_edits)
3710                            .when(pending_edits, |this| {
3711                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3712                            })
3713                            .key_binding(
3714                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
3715                                    .map(|kb| kb.size(rems_from_px(10.))),
3716                            )
3717                            .on_click(cx.listener(move |this, _, window, cx| {
3718                                this.reject_all(&RejectAll, window, cx);
3719                            })),
3720                    )
3721                    .child(
3722                        Button::new("keep-all-changes", "Keep All")
3723                            .label_size(LabelSize::Small)
3724                            .disabled(pending_edits)
3725                            .when(pending_edits, |this| {
3726                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3727                            })
3728                            .key_binding(
3729                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
3730                                    .map(|kb| kb.size(rems_from_px(10.))),
3731                            )
3732                            .on_click(cx.listener(move |this, _, window, cx| {
3733                                this.keep_all(&KeepAll, window, cx);
3734                            })),
3735                    ),
3736            )
3737    }
3738
3739    fn render_edited_files(
3740        &self,
3741        action_log: &Entity<ActionLog>,
3742        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3743        pending_edits: bool,
3744        cx: &Context<Self>,
3745    ) -> Div {
3746        let editor_bg_color = cx.theme().colors().editor_background;
3747
3748        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3749            |(index, (buffer, _diff))| {
3750                let file = buffer.read(cx).file()?;
3751                let path = file.path();
3752                let path_style = file.path_style(cx);
3753                let separator = file.path_style(cx).separator();
3754
3755                let file_path = path.parent().and_then(|parent| {
3756                    if parent.is_empty() {
3757                        None
3758                    } else {
3759                        Some(
3760                            Label::new(format!("{}{separator}", parent.display(path_style)))
3761                                .color(Color::Muted)
3762                                .size(LabelSize::XSmall)
3763                                .buffer_font(cx),
3764                        )
3765                    }
3766                });
3767
3768                let file_name = path.file_name().map(|name| {
3769                    Label::new(name.to_string())
3770                        .size(LabelSize::XSmall)
3771                        .buffer_font(cx)
3772                });
3773
3774                let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
3775                    .map(Icon::from_path)
3776                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3777                    .unwrap_or_else(|| {
3778                        Icon::new(IconName::File)
3779                            .color(Color::Muted)
3780                            .size(IconSize::Small)
3781                    });
3782
3783                let overlay_gradient = linear_gradient(
3784                    90.,
3785                    linear_color_stop(editor_bg_color, 1.),
3786                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3787                );
3788
3789                let element = h_flex()
3790                    .group("edited-code")
3791                    .id(("file-container", index))
3792                    .py_1()
3793                    .pl_2()
3794                    .pr_1()
3795                    .gap_2()
3796                    .justify_between()
3797                    .bg(editor_bg_color)
3798                    .when(index < changed_buffers.len() - 1, |parent| {
3799                        parent.border_color(cx.theme().colors().border).border_b_1()
3800                    })
3801                    .child(
3802                        h_flex()
3803                            .relative()
3804                            .id(("file-name", index))
3805                            .pr_8()
3806                            .gap_1p5()
3807                            .w_full()
3808                            .overflow_x_scroll()
3809                            .child(file_icon)
3810                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3811                            .child(
3812                                div()
3813                                    .absolute()
3814                                    .h_full()
3815                                    .w_12()
3816                                    .top_0()
3817                                    .bottom_0()
3818                                    .right_0()
3819                                    .bg(overlay_gradient),
3820                            )
3821                            .on_click({
3822                                let buffer = buffer.clone();
3823                                cx.listener(move |this, _, window, cx| {
3824                                    this.open_edited_buffer(&buffer, window, cx);
3825                                })
3826                            }),
3827                    )
3828                    .child(
3829                        h_flex()
3830                            .gap_1()
3831                            .visible_on_hover("edited-code")
3832                            .child(
3833                                Button::new("review", "Review")
3834                                    .label_size(LabelSize::Small)
3835                                    .on_click({
3836                                        let buffer = buffer.clone();
3837                                        cx.listener(move |this, _, window, cx| {
3838                                            this.open_edited_buffer(&buffer, window, cx);
3839                                        })
3840                                    }),
3841                            )
3842                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3843                            .child(
3844                                Button::new("reject-file", "Reject")
3845                                    .label_size(LabelSize::Small)
3846                                    .disabled(pending_edits)
3847                                    .on_click({
3848                                        let buffer = buffer.clone();
3849                                        let action_log = action_log.clone();
3850                                        move |_, _, cx| {
3851                                            action_log.update(cx, |action_log, cx| {
3852                                                action_log
3853                                                    .reject_edits_in_ranges(
3854                                                        buffer.clone(),
3855                                                        vec![Anchor::MIN..Anchor::MAX],
3856                                                        cx,
3857                                                    )
3858                                                    .detach_and_log_err(cx);
3859                                            })
3860                                        }
3861                                    }),
3862                            )
3863                            .child(
3864                                Button::new("keep-file", "Keep")
3865                                    .label_size(LabelSize::Small)
3866                                    .disabled(pending_edits)
3867                                    .on_click({
3868                                        let buffer = buffer.clone();
3869                                        let action_log = action_log.clone();
3870                                        move |_, _, cx| {
3871                                            action_log.update(cx, |action_log, cx| {
3872                                                action_log.keep_edits_in_range(
3873                                                    buffer.clone(),
3874                                                    Anchor::MIN..Anchor::MAX,
3875                                                    cx,
3876                                                );
3877                                            })
3878                                        }
3879                                    }),
3880                            ),
3881                    );
3882
3883                Some(element)
3884            },
3885        ))
3886    }
3887
3888    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3889        let focus_handle = self.message_editor.focus_handle(cx);
3890        let editor_bg_color = cx.theme().colors().editor_background;
3891        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3892            (IconName::Minimize, "Minimize Message Editor")
3893        } else {
3894            (IconName::Maximize, "Expand Message Editor")
3895        };
3896
3897        let backdrop = div()
3898            .size_full()
3899            .absolute()
3900            .inset_0()
3901            .bg(cx.theme().colors().panel_background)
3902            .opacity(0.8)
3903            .block_mouse_except_scroll();
3904
3905        let enable_editor = match self.thread_state {
3906            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3907            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3908        };
3909
3910        v_flex()
3911            .on_action(cx.listener(Self::expand_message_editor))
3912            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3913                if let Some(profile_selector) = this.profile_selector.as_ref() {
3914                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3915                } else if let Some(mode_selector) = this.mode_selector() {
3916                    mode_selector.read(cx).menu_handle().toggle(window, cx);
3917                }
3918            }))
3919            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
3920                if let Some(mode_selector) = this.mode_selector() {
3921                    mode_selector.update(cx, |mode_selector, cx| {
3922                        mode_selector.cycle_mode(window, cx);
3923                    });
3924                }
3925            }))
3926            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3927                if let Some(model_selector) = this.model_selector.as_ref() {
3928                    model_selector
3929                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3930                }
3931            }))
3932            .p_2()
3933            .gap_2()
3934            .border_t_1()
3935            .border_color(cx.theme().colors().border)
3936            .bg(editor_bg_color)
3937            .when(self.editor_expanded, |this| {
3938                this.h(vh(0.8, window)).size_full().justify_between()
3939            })
3940            .child(
3941                v_flex()
3942                    .relative()
3943                    .size_full()
3944                    .pt_1()
3945                    .pr_2p5()
3946                    .child(self.message_editor.clone())
3947                    .child(
3948                        h_flex()
3949                            .absolute()
3950                            .top_0()
3951                            .right_0()
3952                            .opacity(0.5)
3953                            .hover(|this| this.opacity(1.0))
3954                            .child(
3955                                IconButton::new("toggle-height", expand_icon)
3956                                    .icon_size(IconSize::Small)
3957                                    .icon_color(Color::Muted)
3958                                    .tooltip({
3959                                        move |_window, cx| {
3960                                            Tooltip::for_action_in(
3961                                                expand_tooltip,
3962                                                &ExpandMessageEditor,
3963                                                &focus_handle,
3964                                                cx,
3965                                            )
3966                                        }
3967                                    })
3968                                    .on_click(cx.listener(|_, _, window, cx| {
3969                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3970                                    })),
3971                            ),
3972                    ),
3973            )
3974            .child(
3975                h_flex()
3976                    .flex_none()
3977                    .flex_wrap()
3978                    .justify_between()
3979                    .child(
3980                        h_flex()
3981                            .child(self.render_follow_toggle(cx))
3982                            .children(self.render_burn_mode_toggle(cx)),
3983                    )
3984                    .child(
3985                        h_flex()
3986                            .gap_1()
3987                            .children(self.render_token_usage(cx))
3988                            .children(self.profile_selector.clone())
3989                            .children(self.mode_selector().cloned())
3990                            .children(self.model_selector.clone())
3991                            .child(self.render_send_button(cx)),
3992                    ),
3993            )
3994            .when(!enable_editor, |this| this.child(backdrop))
3995            .into_any()
3996    }
3997
3998    pub(crate) fn as_native_connection(
3999        &self,
4000        cx: &App,
4001    ) -> Option<Rc<agent::NativeAgentConnection>> {
4002        let acp_thread = self.thread()?.read(cx);
4003        acp_thread.connection().clone().downcast()
4004    }
4005
4006    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4007        let acp_thread = self.thread()?.read(cx);
4008        self.as_native_connection(cx)?
4009            .thread(acp_thread.session_id(), cx)
4010    }
4011
4012    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4013        self.as_native_thread(cx)
4014            .and_then(|thread| thread.read(cx).model())
4015            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4016    }
4017
4018    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4019        let thread = self.thread()?.read(cx);
4020        let usage = thread.token_usage()?;
4021        let is_generating = thread.status() != ThreadStatus::Idle;
4022
4023        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4024        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4025
4026        Some(
4027            h_flex()
4028                .flex_shrink_0()
4029                .gap_0p5()
4030                .mr_1p5()
4031                .child(
4032                    Label::new(used)
4033                        .size(LabelSize::Small)
4034                        .color(Color::Muted)
4035                        .map(|label| {
4036                            if is_generating {
4037                                label
4038                                    .with_animation(
4039                                        "used-tokens-label",
4040                                        Animation::new(Duration::from_secs(2))
4041                                            .repeat()
4042                                            .with_easing(pulsating_between(0.3, 0.8)),
4043                                        |label, delta| label.alpha(delta),
4044                                    )
4045                                    .into_any()
4046                            } else {
4047                                label.into_any_element()
4048                            }
4049                        }),
4050                )
4051                .child(
4052                    Label::new("/")
4053                        .size(LabelSize::Small)
4054                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4055                )
4056                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4057        )
4058    }
4059
4060    fn toggle_burn_mode(
4061        &mut self,
4062        _: &ToggleBurnMode,
4063        _window: &mut Window,
4064        cx: &mut Context<Self>,
4065    ) {
4066        let Some(thread) = self.as_native_thread(cx) else {
4067            return;
4068        };
4069
4070        thread.update(cx, |thread, cx| {
4071            let current_mode = thread.completion_mode();
4072            thread.set_completion_mode(
4073                match current_mode {
4074                    CompletionMode::Burn => CompletionMode::Normal,
4075                    CompletionMode::Normal => CompletionMode::Burn,
4076                },
4077                cx,
4078            );
4079        });
4080    }
4081
4082    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4083        let Some(thread) = self.thread() else {
4084            return;
4085        };
4086        let action_log = thread.read(cx).action_log().clone();
4087        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
4088    }
4089
4090    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4091        let Some(thread) = self.thread() else {
4092            return;
4093        };
4094        let action_log = thread.read(cx).action_log().clone();
4095        action_log
4096            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
4097            .detach();
4098    }
4099
4100    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4101        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4102    }
4103
4104    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4105        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4106    }
4107
4108    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4109        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4110    }
4111
4112    fn authorize_pending_tool_call(
4113        &mut self,
4114        kind: acp::PermissionOptionKind,
4115        window: &mut Window,
4116        cx: &mut Context<Self>,
4117    ) -> Option<()> {
4118        let thread = self.thread()?.read(cx);
4119        let tool_call = thread.first_tool_awaiting_confirmation()?;
4120        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4121            return None;
4122        };
4123        let option = options.iter().find(|o| o.kind == kind)?;
4124
4125        self.authorize_tool_call(
4126            tool_call.id.clone(),
4127            option.id.clone(),
4128            option.kind,
4129            window,
4130            cx,
4131        );
4132
4133        Some(())
4134    }
4135
4136    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4137        let thread = self.as_native_thread(cx)?.read(cx);
4138
4139        if thread
4140            .model()
4141            .is_none_or(|model| !model.supports_burn_mode())
4142        {
4143            return None;
4144        }
4145
4146        let active_completion_mode = thread.completion_mode();
4147        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4148        let icon = if burn_mode_enabled {
4149            IconName::ZedBurnModeOn
4150        } else {
4151            IconName::ZedBurnMode
4152        };
4153
4154        Some(
4155            IconButton::new("burn-mode", icon)
4156                .icon_size(IconSize::Small)
4157                .icon_color(Color::Muted)
4158                .toggle_state(burn_mode_enabled)
4159                .selected_icon_color(Color::Error)
4160                .on_click(cx.listener(|this, _event, window, cx| {
4161                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4162                }))
4163                .tooltip(move |_window, cx| {
4164                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4165                        .into()
4166                })
4167                .into_any_element(),
4168        )
4169    }
4170
4171    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4172        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4173        let is_generating = self
4174            .thread()
4175            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4176
4177        if self.is_loading_contents {
4178            div()
4179                .id("loading-message-content")
4180                .px_1()
4181                .tooltip(Tooltip::text("Loading Added Context…"))
4182                .child(loading_contents_spinner(IconSize::default()))
4183                .into_any_element()
4184        } else if is_generating && is_editor_empty {
4185            IconButton::new("stop-generation", IconName::Stop)
4186                .icon_color(Color::Error)
4187                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4188                .tooltip(move |_window, cx| {
4189                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4190                })
4191                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4192                .into_any_element()
4193        } else {
4194            let send_btn_tooltip = if is_editor_empty && !is_generating {
4195                "Type to Send"
4196            } else if is_generating {
4197                "Stop and Send Message"
4198            } else {
4199                "Send"
4200            };
4201
4202            IconButton::new("send-message", IconName::Send)
4203                .style(ButtonStyle::Filled)
4204                .map(|this| {
4205                    if is_editor_empty && !is_generating {
4206                        this.disabled(true).icon_color(Color::Muted)
4207                    } else {
4208                        this.icon_color(Color::Accent)
4209                    }
4210                })
4211                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4212                .on_click(cx.listener(|this, _, window, cx| {
4213                    this.send(window, cx);
4214                }))
4215                .into_any_element()
4216        }
4217    }
4218
4219    fn is_following(&self, cx: &App) -> bool {
4220        match self.thread().map(|thread| thread.read(cx).status()) {
4221            Some(ThreadStatus::Generating) => self
4222                .workspace
4223                .read_with(cx, |workspace, _| {
4224                    workspace.is_being_followed(CollaboratorId::Agent)
4225                })
4226                .unwrap_or(false),
4227            _ => self.should_be_following,
4228        }
4229    }
4230
4231    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4232        let following = self.is_following(cx);
4233
4234        self.should_be_following = !following;
4235        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4236            self.workspace
4237                .update(cx, |workspace, cx| {
4238                    if following {
4239                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4240                    } else {
4241                        workspace.follow(CollaboratorId::Agent, window, cx);
4242                    }
4243                })
4244                .ok();
4245        }
4246
4247        telemetry::event!("Follow Agent Selected", following = !following);
4248    }
4249
4250    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4251        let following = self.is_following(cx);
4252
4253        let tooltip_label = if following {
4254            if self.agent.name() == "Zed Agent" {
4255                format!("Stop Following the {}", self.agent.name())
4256            } else {
4257                format!("Stop Following {}", self.agent.name())
4258            }
4259        } else {
4260            if self.agent.name() == "Zed Agent" {
4261                format!("Follow the {}", self.agent.name())
4262            } else {
4263                format!("Follow {}", self.agent.name())
4264            }
4265        };
4266
4267        IconButton::new("follow-agent", IconName::Crosshair)
4268            .icon_size(IconSize::Small)
4269            .icon_color(Color::Muted)
4270            .toggle_state(following)
4271            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4272            .tooltip(move |_window, cx| {
4273                if following {
4274                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4275                } else {
4276                    Tooltip::with_meta(
4277                        tooltip_label.clone(),
4278                        Some(&Follow),
4279                        "Track the agent's location as it reads and edits files.",
4280                        cx,
4281                    )
4282                }
4283            })
4284            .on_click(cx.listener(move |this, _, window, cx| {
4285                this.toggle_following(window, cx);
4286            }))
4287    }
4288
4289    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4290        let workspace = self.workspace.clone();
4291        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4292            Self::open_link(text, &workspace, window, cx);
4293        })
4294    }
4295
4296    fn open_link(
4297        url: SharedString,
4298        workspace: &WeakEntity<Workspace>,
4299        window: &mut Window,
4300        cx: &mut App,
4301    ) {
4302        let Some(workspace) = workspace.upgrade() else {
4303            cx.open_url(&url);
4304            return;
4305        };
4306
4307        if let Some(mention) = MentionUri::parse(&url).log_err() {
4308            workspace.update(cx, |workspace, cx| match mention {
4309                MentionUri::File { abs_path } => {
4310                    let project = workspace.project();
4311                    let Some(path) =
4312                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4313                    else {
4314                        return;
4315                    };
4316
4317                    workspace
4318                        .open_path(path, None, true, window, cx)
4319                        .detach_and_log_err(cx);
4320                }
4321                MentionUri::PastedImage => {}
4322                MentionUri::Directory { abs_path } => {
4323                    let project = workspace.project();
4324                    let Some(entry_id) = project.update(cx, |project, cx| {
4325                        let path = project.find_project_path(abs_path, cx)?;
4326                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4327                    }) else {
4328                        return;
4329                    };
4330
4331                    project.update(cx, |_, cx| {
4332                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4333                    });
4334                }
4335                MentionUri::Symbol {
4336                    abs_path: path,
4337                    line_range,
4338                    ..
4339                }
4340                | MentionUri::Selection {
4341                    abs_path: Some(path),
4342                    line_range,
4343                } => {
4344                    let project = workspace.project();
4345                    let Some(path) =
4346                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4347                    else {
4348                        return;
4349                    };
4350
4351                    let item = workspace.open_path(path, None, true, window, cx);
4352                    window
4353                        .spawn(cx, async move |cx| {
4354                            let Some(editor) = item.await?.downcast::<Editor>() else {
4355                                return Ok(());
4356                            };
4357                            let range = Point::new(*line_range.start(), 0)
4358                                ..Point::new(*line_range.start(), 0);
4359                            editor
4360                                .update_in(cx, |editor, window, cx| {
4361                                    editor.change_selections(
4362                                        SelectionEffects::scroll(Autoscroll::center()),
4363                                        window,
4364                                        cx,
4365                                        |s| s.select_ranges(vec![range]),
4366                                    );
4367                                })
4368                                .ok();
4369                            anyhow::Ok(())
4370                        })
4371                        .detach_and_log_err(cx);
4372                }
4373                MentionUri::Selection { abs_path: None, .. } => {}
4374                MentionUri::Thread { id, name } => {
4375                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4376                        panel.update(cx, |panel, cx| {
4377                            panel.load_agent_thread(
4378                                DbThreadMetadata {
4379                                    id,
4380                                    title: name.into(),
4381                                    updated_at: Default::default(),
4382                                },
4383                                window,
4384                                cx,
4385                            )
4386                        });
4387                    }
4388                }
4389                MentionUri::TextThread { path, .. } => {
4390                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4391                        panel.update(cx, |panel, cx| {
4392                            panel
4393                                .open_saved_text_thread(path.as_path().into(), window, cx)
4394                                .detach_and_log_err(cx);
4395                        });
4396                    }
4397                }
4398                MentionUri::Rule { id, .. } => {
4399                    let PromptId::User { uuid } = id else {
4400                        return;
4401                    };
4402                    window.dispatch_action(
4403                        Box::new(OpenRulesLibrary {
4404                            prompt_to_select: Some(uuid.0),
4405                        }),
4406                        cx,
4407                    )
4408                }
4409                MentionUri::Fetch { url } => {
4410                    cx.open_url(url.as_str());
4411                }
4412            })
4413        } else {
4414            cx.open_url(&url);
4415        }
4416    }
4417
4418    fn open_tool_call_location(
4419        &self,
4420        entry_ix: usize,
4421        location_ix: usize,
4422        window: &mut Window,
4423        cx: &mut Context<Self>,
4424    ) -> Option<()> {
4425        let (tool_call_location, agent_location) = self
4426            .thread()?
4427            .read(cx)
4428            .entries()
4429            .get(entry_ix)?
4430            .location(location_ix)?;
4431
4432        let project_path = self
4433            .project
4434            .read(cx)
4435            .find_project_path(&tool_call_location.path, cx)?;
4436
4437        let open_task = self
4438            .workspace
4439            .update(cx, |workspace, cx| {
4440                workspace.open_path(project_path, None, true, window, cx)
4441            })
4442            .log_err()?;
4443        window
4444            .spawn(cx, async move |cx| {
4445                let item = open_task.await?;
4446
4447                let Some(active_editor) = item.downcast::<Editor>() else {
4448                    return anyhow::Ok(());
4449                };
4450
4451                active_editor.update_in(cx, |editor, window, cx| {
4452                    let multibuffer = editor.buffer().read(cx);
4453                    let buffer = multibuffer.as_singleton();
4454                    if agent_location.buffer.upgrade() == buffer {
4455                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4456                        let anchor = editor::Anchor::in_buffer(
4457                            excerpt_id.unwrap(),
4458                            buffer.unwrap().read(cx).remote_id(),
4459                            agent_location.position,
4460                        );
4461                        editor.change_selections(Default::default(), window, cx, |selections| {
4462                            selections.select_anchor_ranges([anchor..anchor]);
4463                        })
4464                    } else {
4465                        let row = tool_call_location.line.unwrap_or_default();
4466                        editor.change_selections(Default::default(), window, cx, |selections| {
4467                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4468                        })
4469                    }
4470                })?;
4471
4472                anyhow::Ok(())
4473            })
4474            .detach_and_log_err(cx);
4475
4476        None
4477    }
4478
4479    pub fn open_thread_as_markdown(
4480        &self,
4481        workspace: Entity<Workspace>,
4482        window: &mut Window,
4483        cx: &mut App,
4484    ) -> Task<Result<()>> {
4485        let markdown_language_task = workspace
4486            .read(cx)
4487            .app_state()
4488            .languages
4489            .language_for_name("Markdown");
4490
4491        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4492            let thread = thread.read(cx);
4493            (thread.title().to_string(), thread.to_markdown(cx))
4494        } else {
4495            return Task::ready(Ok(()));
4496        };
4497
4498        window.spawn(cx, async move |cx| {
4499            let markdown_language = markdown_language_task.await?;
4500
4501            workspace.update_in(cx, |workspace, window, cx| {
4502                let project = workspace.project().clone();
4503
4504                if !project.read(cx).is_local() {
4505                    bail!("failed to open active thread as markdown in remote project");
4506                }
4507
4508                let buffer = project.update(cx, |project, cx| {
4509                    project.create_local_buffer(&markdown, Some(markdown_language), true, cx)
4510                });
4511                let buffer = cx.new(|cx| {
4512                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4513                });
4514
4515                workspace.add_item_to_active_pane(
4516                    Box::new(cx.new(|cx| {
4517                        let mut editor =
4518                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4519                        editor.set_breadcrumb_header(thread_summary);
4520                        editor
4521                    })),
4522                    None,
4523                    true,
4524                    window,
4525                    cx,
4526                );
4527
4528                anyhow::Ok(())
4529            })??;
4530            anyhow::Ok(())
4531        })
4532    }
4533
4534    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4535        self.list_state.scroll_to(ListOffset::default());
4536        cx.notify();
4537    }
4538
4539    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4540        if let Some(thread) = self.thread() {
4541            let entry_count = thread.read(cx).entries().len();
4542            self.list_state.reset(entry_count);
4543            cx.notify();
4544        }
4545    }
4546
4547    fn notify_with_sound(
4548        &mut self,
4549        caption: impl Into<SharedString>,
4550        icon: IconName,
4551        window: &mut Window,
4552        cx: &mut Context<Self>,
4553    ) {
4554        self.play_notification_sound(window, cx);
4555        self.show_notification(caption, icon, window, cx);
4556    }
4557
4558    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4559        let settings = AgentSettings::get_global(cx);
4560        if settings.play_sound_when_agent_done && !window.is_window_active() {
4561            Audio::play_sound(Sound::AgentDone, cx);
4562        }
4563    }
4564
4565    fn show_notification(
4566        &mut self,
4567        caption: impl Into<SharedString>,
4568        icon: IconName,
4569        window: &mut Window,
4570        cx: &mut Context<Self>,
4571    ) {
4572        if window.is_window_active() || !self.notifications.is_empty() {
4573            return;
4574        }
4575
4576        // TODO: Change this once we have title summarization for external agents.
4577        let title = self.agent.name();
4578
4579        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4580            NotifyWhenAgentWaiting::PrimaryScreen => {
4581                if let Some(primary) = cx.primary_display() {
4582                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4583                }
4584            }
4585            NotifyWhenAgentWaiting::AllScreens => {
4586                let caption = caption.into();
4587                for screen in cx.displays() {
4588                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4589                }
4590            }
4591            NotifyWhenAgentWaiting::Never => {
4592                // Don't show anything
4593            }
4594        }
4595    }
4596
4597    fn pop_up(
4598        &mut self,
4599        icon: IconName,
4600        caption: SharedString,
4601        title: SharedString,
4602        window: &mut Window,
4603        screen: Rc<dyn PlatformDisplay>,
4604        cx: &mut Context<Self>,
4605    ) {
4606        let options = AgentNotification::window_options(screen, cx);
4607
4608        let project_name = self.workspace.upgrade().and_then(|workspace| {
4609            workspace
4610                .read(cx)
4611                .project()
4612                .read(cx)
4613                .visible_worktrees(cx)
4614                .next()
4615                .map(|worktree| worktree.read(cx).root_name_str().to_string())
4616        });
4617
4618        if let Some(screen_window) = cx
4619            .open_window(options, |_, cx| {
4620                cx.new(|_| {
4621                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4622                })
4623            })
4624            .log_err()
4625            && let Some(pop_up) = screen_window.entity(cx).log_err()
4626        {
4627            self.notification_subscriptions
4628                .entry(screen_window)
4629                .or_insert_with(Vec::new)
4630                .push(cx.subscribe_in(&pop_up, window, {
4631                    |this, _, event, window, cx| match event {
4632                        AgentNotificationEvent::Accepted => {
4633                            let handle = window.window_handle();
4634                            cx.activate(true);
4635
4636                            let workspace_handle = this.workspace.clone();
4637
4638                            // If there are multiple Zed windows, activate the correct one.
4639                            cx.defer(move |cx| {
4640                                handle
4641                                    .update(cx, |_view, window, _cx| {
4642                                        window.activate_window();
4643
4644                                        if let Some(workspace) = workspace_handle.upgrade() {
4645                                            workspace.update(_cx, |workspace, cx| {
4646                                                workspace.focus_panel::<AgentPanel>(window, cx);
4647                                            });
4648                                        }
4649                                    })
4650                                    .log_err();
4651                            });
4652
4653                            this.dismiss_notifications(cx);
4654                        }
4655                        AgentNotificationEvent::Dismissed => {
4656                            this.dismiss_notifications(cx);
4657                        }
4658                    }
4659                }));
4660
4661            self.notifications.push(screen_window);
4662
4663            // If the user manually refocuses the original window, dismiss the popup.
4664            self.notification_subscriptions
4665                .entry(screen_window)
4666                .or_insert_with(Vec::new)
4667                .push({
4668                    let pop_up_weak = pop_up.downgrade();
4669
4670                    cx.observe_window_activation(window, move |_, window, cx| {
4671                        if window.is_window_active()
4672                            && let Some(pop_up) = pop_up_weak.upgrade()
4673                        {
4674                            pop_up.update(cx, |_, cx| {
4675                                cx.emit(AgentNotificationEvent::Dismissed);
4676                            });
4677                        }
4678                    })
4679                });
4680        }
4681    }
4682
4683    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4684        for window in self.notifications.drain(..) {
4685            window
4686                .update(cx, |_, window, _| {
4687                    window.remove_window();
4688                })
4689                .ok();
4690
4691            self.notification_subscriptions.remove(&window);
4692        }
4693    }
4694
4695    fn render_thread_controls(
4696        &self,
4697        thread: &Entity<AcpThread>,
4698        cx: &Context<Self>,
4699    ) -> impl IntoElement {
4700        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4701        if is_generating {
4702            return h_flex().id("thread-controls-container").child(
4703                div()
4704                    .py_2()
4705                    .px(rems_from_px(22.))
4706                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4707            );
4708        }
4709
4710        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4711            .shape(ui::IconButtonShape::Square)
4712            .icon_size(IconSize::Small)
4713            .icon_color(Color::Ignored)
4714            .tooltip(Tooltip::text("Open Thread as Markdown"))
4715            .on_click(cx.listener(move |this, _, window, cx| {
4716                if let Some(workspace) = this.workspace.upgrade() {
4717                    this.open_thread_as_markdown(workspace, window, cx)
4718                        .detach_and_log_err(cx);
4719                }
4720            }));
4721
4722        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4723            .shape(ui::IconButtonShape::Square)
4724            .icon_size(IconSize::Small)
4725            .icon_color(Color::Ignored)
4726            .tooltip(Tooltip::text("Scroll To Top"))
4727            .on_click(cx.listener(move |this, _, _, cx| {
4728                this.scroll_to_top(cx);
4729            }));
4730
4731        let mut container = h_flex()
4732            .id("thread-controls-container")
4733            .group("thread-controls-container")
4734            .w_full()
4735            .py_2()
4736            .px_5()
4737            .gap_px()
4738            .opacity(0.6)
4739            .hover(|style| style.opacity(1.))
4740            .flex_wrap()
4741            .justify_end();
4742
4743        if AgentSettings::get_global(cx).enable_feedback
4744            && self
4745                .thread()
4746                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4747        {
4748            let feedback = self.thread_feedback.feedback;
4749
4750            container = container
4751                .child(
4752                    div().visible_on_hover("thread-controls-container").child(
4753                        Label::new(match feedback {
4754                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4755                            Some(ThreadFeedback::Negative) => {
4756                                "We appreciate your feedback and will use it to improve."
4757                            }
4758                            None => {
4759                                "Rating the thread sends all of your current conversation to the Zed team."
4760                            }
4761                        })
4762                        .color(Color::Muted)
4763                        .size(LabelSize::XSmall)
4764                        .truncate(),
4765                    ),
4766                )
4767                .child(
4768                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4769                        .shape(ui::IconButtonShape::Square)
4770                        .icon_size(IconSize::Small)
4771                        .icon_color(match feedback {
4772                            Some(ThreadFeedback::Positive) => Color::Accent,
4773                            _ => Color::Ignored,
4774                        })
4775                        .tooltip(Tooltip::text("Helpful Response"))
4776                        .on_click(cx.listener(move |this, _, window, cx| {
4777                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4778                        })),
4779                )
4780                .child(
4781                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4782                        .shape(ui::IconButtonShape::Square)
4783                        .icon_size(IconSize::Small)
4784                        .icon_color(match feedback {
4785                            Some(ThreadFeedback::Negative) => Color::Accent,
4786                            _ => Color::Ignored,
4787                        })
4788                        .tooltip(Tooltip::text("Not Helpful"))
4789                        .on_click(cx.listener(move |this, _, window, cx| {
4790                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4791                        })),
4792                );
4793        }
4794
4795        container.child(open_as_markdown).child(scroll_to_top)
4796    }
4797
4798    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4799        h_flex()
4800            .key_context("AgentFeedbackMessageEditor")
4801            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4802                this.thread_feedback.dismiss_comments();
4803                cx.notify();
4804            }))
4805            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4806                this.submit_feedback_message(cx);
4807            }))
4808            .p_2()
4809            .mb_2()
4810            .mx_5()
4811            .gap_1()
4812            .rounded_md()
4813            .border_1()
4814            .border_color(cx.theme().colors().border)
4815            .bg(cx.theme().colors().editor_background)
4816            .child(div().w_full().child(editor))
4817            .child(
4818                h_flex()
4819                    .child(
4820                        IconButton::new("dismiss-feedback-message", IconName::Close)
4821                            .icon_color(Color::Error)
4822                            .icon_size(IconSize::XSmall)
4823                            .shape(ui::IconButtonShape::Square)
4824                            .on_click(cx.listener(move |this, _, _window, cx| {
4825                                this.thread_feedback.dismiss_comments();
4826                                cx.notify();
4827                            })),
4828                    )
4829                    .child(
4830                        IconButton::new("submit-feedback-message", IconName::Return)
4831                            .icon_size(IconSize::XSmall)
4832                            .shape(ui::IconButtonShape::Square)
4833                            .on_click(cx.listener(move |this, _, _window, cx| {
4834                                this.submit_feedback_message(cx);
4835                            })),
4836                    ),
4837            )
4838    }
4839
4840    fn handle_feedback_click(
4841        &mut self,
4842        feedback: ThreadFeedback,
4843        window: &mut Window,
4844        cx: &mut Context<Self>,
4845    ) {
4846        let Some(thread) = self.thread().cloned() else {
4847            return;
4848        };
4849
4850        self.thread_feedback.submit(thread, feedback, window, cx);
4851        cx.notify();
4852    }
4853
4854    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4855        let Some(thread) = self.thread().cloned() else {
4856            return;
4857        };
4858
4859        self.thread_feedback.submit_comments(thread, cx);
4860        cx.notify();
4861    }
4862
4863    fn render_token_limit_callout(
4864        &self,
4865        line_height: Pixels,
4866        cx: &mut Context<Self>,
4867    ) -> Option<Callout> {
4868        let token_usage = self.thread()?.read(cx).token_usage()?;
4869        let ratio = token_usage.ratio();
4870
4871        let (severity, title) = match ratio {
4872            acp_thread::TokenUsageRatio::Normal => return None,
4873            acp_thread::TokenUsageRatio::Warning => {
4874                (Severity::Warning, "Thread reaching the token limit soon")
4875            }
4876            acp_thread::TokenUsageRatio::Exceeded => {
4877                (Severity::Error, "Thread reached the token limit")
4878            }
4879        };
4880
4881        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4882            thread.read(cx).completion_mode() == CompletionMode::Normal
4883                && thread
4884                    .read(cx)
4885                    .model()
4886                    .is_some_and(|model| model.supports_burn_mode())
4887        });
4888
4889        let description = if burn_mode_available {
4890            "To continue, start a new thread from a summary or turn Burn Mode on."
4891        } else {
4892            "To continue, start a new thread from a summary."
4893        };
4894
4895        Some(
4896            Callout::new()
4897                .severity(severity)
4898                .line_height(line_height)
4899                .title(title)
4900                .description(description)
4901                .actions_slot(
4902                    h_flex()
4903                        .gap_0p5()
4904                        .child(
4905                            Button::new("start-new-thread", "Start New Thread")
4906                                .label_size(LabelSize::Small)
4907                                .on_click(cx.listener(|this, _, window, cx| {
4908                                    let Some(thread) = this.thread() else {
4909                                        return;
4910                                    };
4911                                    let session_id = thread.read(cx).session_id().clone();
4912                                    window.dispatch_action(
4913                                        crate::NewNativeAgentThreadFromSummary {
4914                                            from_session_id: session_id,
4915                                        }
4916                                        .boxed_clone(),
4917                                        cx,
4918                                    );
4919                                })),
4920                        )
4921                        .when(burn_mode_available, |this| {
4922                            this.child(
4923                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4924                                    .icon_size(IconSize::XSmall)
4925                                    .on_click(cx.listener(|this, _event, window, cx| {
4926                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4927                                    })),
4928                            )
4929                        }),
4930                ),
4931        )
4932    }
4933
4934    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4935        if !self.is_using_zed_ai_models(cx) {
4936            return None;
4937        }
4938
4939        let user_store = self.project.read(cx).user_store().read(cx);
4940        if user_store.is_usage_based_billing_enabled() {
4941            return None;
4942        }
4943
4944        let plan = user_store
4945            .plan()
4946            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
4947
4948        let usage = user_store.model_request_usage()?;
4949
4950        Some(
4951            div()
4952                .child(UsageCallout::new(plan, usage))
4953                .line_height(line_height),
4954        )
4955    }
4956
4957    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4958        self.entry_view_state.update(cx, |entry_view_state, cx| {
4959            entry_view_state.agent_ui_font_size_changed(cx);
4960        });
4961    }
4962
4963    pub(crate) fn insert_dragged_files(
4964        &self,
4965        paths: Vec<project::ProjectPath>,
4966        added_worktrees: Vec<Entity<project::Worktree>>,
4967        window: &mut Window,
4968        cx: &mut Context<Self>,
4969    ) {
4970        self.message_editor.update(cx, |message_editor, cx| {
4971            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4972        })
4973    }
4974
4975    /// Inserts the selected text into the message editor or the message being
4976    /// edited, if any.
4977    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4978        self.active_editor(cx).update(cx, |editor, cx| {
4979            editor.insert_selections(window, cx);
4980        });
4981    }
4982
4983    fn render_thread_retry_status_callout(
4984        &self,
4985        _window: &mut Window,
4986        _cx: &mut Context<Self>,
4987    ) -> Option<Callout> {
4988        let state = self.thread_retry_status.as_ref()?;
4989
4990        let next_attempt_in = state
4991            .duration
4992            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4993        if next_attempt_in.is_zero() {
4994            return None;
4995        }
4996
4997        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4998
4999        let retry_message = if state.max_attempts == 1 {
5000            if next_attempt_in_secs == 1 {
5001                "Retrying. Next attempt in 1 second.".to_string()
5002            } else {
5003                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5004            }
5005        } else if next_attempt_in_secs == 1 {
5006            format!(
5007                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5008                state.attempt, state.max_attempts,
5009            )
5010        } else {
5011            format!(
5012                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5013                state.attempt, state.max_attempts,
5014            )
5015        };
5016
5017        Some(
5018            Callout::new()
5019                .severity(Severity::Warning)
5020                .title(state.last_error.clone())
5021                .description(retry_message),
5022        )
5023    }
5024
5025    #[cfg(target_os = "windows")]
5026    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Option<Callout> {
5027        if self.show_codex_windows_warning {
5028            Some(
5029                Callout::new()
5030                    .icon(IconName::Warning)
5031                    .severity(Severity::Warning)
5032                    .title("Codex on Windows")
5033                    .description(
5034                        "For best performance, run Codex in Windows Subsystem for Linux (WSL2)",
5035                    )
5036                    .actions_slot(
5037                        Button::new("open-wsl-modal", "Open in WSL")
5038                            .icon_size(IconSize::Small)
5039                            .icon_color(Color::Muted)
5040                            .on_click(cx.listener({
5041                                move |_, _, window, cx| {
5042                                    window.dispatch_action(
5043                                        zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5044                                        cx,
5045                                    );
5046                                    cx.notify();
5047                                }
5048                            })),
5049                    )
5050                    .dismiss_action(
5051                        IconButton::new("dismiss", IconName::Close)
5052                            .icon_size(IconSize::Small)
5053                            .icon_color(Color::Muted)
5054                            .tooltip(Tooltip::text("Dismiss Warning"))
5055                            .on_click(cx.listener({
5056                                move |this, _, _, cx| {
5057                                    this.show_codex_windows_warning = false;
5058                                    cx.notify();
5059                                }
5060                            })),
5061                    ),
5062            )
5063        } else {
5064            None
5065        }
5066    }
5067
5068    fn render_thread_error(&self, cx: &mut Context<Self>) -> Option<Div> {
5069        let content = match self.thread_error.as_ref()? {
5070            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
5071            ThreadError::Refusal => self.render_refusal_error(cx),
5072            ThreadError::AuthenticationRequired(error) => {
5073                self.render_authentication_required_error(error.clone(), cx)
5074            }
5075            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5076            ThreadError::ModelRequestLimitReached(plan) => {
5077                self.render_model_request_limit_reached_error(*plan, cx)
5078            }
5079            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5080        };
5081
5082        Some(div().child(content))
5083    }
5084
5085    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5086        v_flex().w_full().justify_end().child(
5087            h_flex()
5088                .p_2()
5089                .pr_3()
5090                .w_full()
5091                .gap_1p5()
5092                .border_t_1()
5093                .border_color(cx.theme().colors().border)
5094                .bg(cx.theme().colors().element_background)
5095                .child(
5096                    h_flex()
5097                        .flex_1()
5098                        .gap_1p5()
5099                        .child(
5100                            Icon::new(IconName::Download)
5101                                .color(Color::Accent)
5102                                .size(IconSize::Small),
5103                        )
5104                        .child(Label::new("New version available").size(LabelSize::Small)),
5105                )
5106                .child(
5107                    Button::new("update-button", format!("Update to v{}", version))
5108                        .label_size(LabelSize::Small)
5109                        .style(ButtonStyle::Tinted(TintColor::Accent))
5110                        .on_click(cx.listener(|this, _, window, cx| {
5111                            this.reset(window, cx);
5112                        })),
5113                ),
5114        )
5115    }
5116
5117    fn get_current_model_name(&self, cx: &App) -> SharedString {
5118        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5119        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5120        // This provides better clarity about what refused the request
5121        if self
5122            .agent
5123            .clone()
5124            .downcast::<agent::NativeAgentServer>()
5125            .is_some()
5126        {
5127            // Native agent - use the model name
5128            self.model_selector
5129                .as_ref()
5130                .and_then(|selector| selector.read(cx).active_model_name(cx))
5131                .unwrap_or_else(|| SharedString::from("The model"))
5132        } else {
5133            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5134            self.agent.name()
5135        }
5136    }
5137
5138    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5139        let model_or_agent_name = self.get_current_model_name(cx);
5140        let refusal_message = format!(
5141            "{} 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.",
5142            model_or_agent_name
5143        );
5144
5145        Callout::new()
5146            .severity(Severity::Error)
5147            .title("Request Refused")
5148            .icon(IconName::XCircle)
5149            .description(refusal_message.clone())
5150            .actions_slot(self.create_copy_button(&refusal_message))
5151            .dismiss_action(self.dismiss_error_button(cx))
5152    }
5153
5154    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
5155        let can_resume = self
5156            .thread()
5157            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5158
5159        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5160            let thread = thread.read(cx);
5161            let supports_burn_mode = thread
5162                .model()
5163                .map_or(false, |model| model.supports_burn_mode());
5164            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5165        });
5166
5167        Callout::new()
5168            .severity(Severity::Error)
5169            .title("Error")
5170            .icon(IconName::XCircle)
5171            .description(error.clone())
5172            .actions_slot(
5173                h_flex()
5174                    .gap_0p5()
5175                    .when(can_resume && can_enable_burn_mode, |this| {
5176                        this.child(
5177                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5178                                .icon(IconName::ZedBurnMode)
5179                                .icon_position(IconPosition::Start)
5180                                .icon_size(IconSize::Small)
5181                                .label_size(LabelSize::Small)
5182                                .on_click(cx.listener(|this, _, window, cx| {
5183                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5184                                    this.resume_chat(cx);
5185                                })),
5186                        )
5187                    })
5188                    .when(can_resume, |this| {
5189                        this.child(
5190                            Button::new("retry", "Retry")
5191                                .icon(IconName::RotateCw)
5192                                .icon_position(IconPosition::Start)
5193                                .icon_size(IconSize::Small)
5194                                .label_size(LabelSize::Small)
5195                                .on_click(cx.listener(|this, _, _window, cx| {
5196                                    this.resume_chat(cx);
5197                                })),
5198                        )
5199                    })
5200                    .child(self.create_copy_button(error.to_string())),
5201            )
5202            .dismiss_action(self.dismiss_error_button(cx))
5203    }
5204
5205    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5206        const ERROR_MESSAGE: &str =
5207            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5208
5209        Callout::new()
5210            .severity(Severity::Error)
5211            .icon(IconName::XCircle)
5212            .title("Free Usage Exceeded")
5213            .description(ERROR_MESSAGE)
5214            .actions_slot(
5215                h_flex()
5216                    .gap_0p5()
5217                    .child(self.upgrade_button(cx))
5218                    .child(self.create_copy_button(ERROR_MESSAGE)),
5219            )
5220            .dismiss_action(self.dismiss_error_button(cx))
5221    }
5222
5223    fn render_authentication_required_error(
5224        &self,
5225        error: SharedString,
5226        cx: &mut Context<Self>,
5227    ) -> Callout {
5228        Callout::new()
5229            .severity(Severity::Error)
5230            .title("Authentication Required")
5231            .icon(IconName::XCircle)
5232            .description(error.clone())
5233            .actions_slot(
5234                h_flex()
5235                    .gap_0p5()
5236                    .child(self.authenticate_button(cx))
5237                    .child(self.create_copy_button(error)),
5238            )
5239            .dismiss_action(self.dismiss_error_button(cx))
5240    }
5241
5242    fn render_model_request_limit_reached_error(
5243        &self,
5244        plan: cloud_llm_client::Plan,
5245        cx: &mut Context<Self>,
5246    ) -> Callout {
5247        let error_message = match plan {
5248            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5249                "Upgrade to usage-based billing for more prompts."
5250            }
5251            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5252            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5253            cloud_llm_client::Plan::V2(_) => "",
5254        };
5255
5256        Callout::new()
5257            .severity(Severity::Error)
5258            .title("Model Prompt Limit Reached")
5259            .icon(IconName::XCircle)
5260            .description(error_message)
5261            .actions_slot(
5262                h_flex()
5263                    .gap_0p5()
5264                    .child(self.upgrade_button(cx))
5265                    .child(self.create_copy_button(error_message)),
5266            )
5267            .dismiss_action(self.dismiss_error_button(cx))
5268    }
5269
5270    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5271        let thread = self.as_native_thread(cx)?;
5272        let supports_burn_mode = thread
5273            .read(cx)
5274            .model()
5275            .is_some_and(|model| model.supports_burn_mode());
5276
5277        let focus_handle = self.focus_handle(cx);
5278
5279        Some(
5280            Callout::new()
5281                .icon(IconName::Info)
5282                .title("Consecutive tool use limit reached.")
5283                .actions_slot(
5284                    h_flex()
5285                        .gap_0p5()
5286                        .when(supports_burn_mode, |this| {
5287                            this.child(
5288                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5289                                    .style(ButtonStyle::Filled)
5290                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5291                                    .layer(ElevationIndex::ModalSurface)
5292                                    .label_size(LabelSize::Small)
5293                                    .key_binding(
5294                                        KeyBinding::for_action_in(
5295                                            &ContinueWithBurnMode,
5296                                            &focus_handle,
5297                                            cx,
5298                                        )
5299                                        .map(|kb| kb.size(rems_from_px(10.))),
5300                                    )
5301                                    .tooltip(Tooltip::text(
5302                                        "Enable Burn Mode for unlimited tool use.",
5303                                    ))
5304                                    .on_click({
5305                                        cx.listener(move |this, _, _window, cx| {
5306                                            thread.update(cx, |thread, cx| {
5307                                                thread
5308                                                    .set_completion_mode(CompletionMode::Burn, cx);
5309                                            });
5310                                            this.resume_chat(cx);
5311                                        })
5312                                    }),
5313                            )
5314                        })
5315                        .child(
5316                            Button::new("continue-conversation", "Continue")
5317                                .layer(ElevationIndex::ModalSurface)
5318                                .label_size(LabelSize::Small)
5319                                .key_binding(
5320                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5321                                        .map(|kb| kb.size(rems_from_px(10.))),
5322                                )
5323                                .on_click(cx.listener(|this, _, _window, cx| {
5324                                    this.resume_chat(cx);
5325                                })),
5326                        ),
5327                ),
5328        )
5329    }
5330
5331    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5332        let message = message.into();
5333
5334        IconButton::new("copy", IconName::Copy)
5335            .icon_size(IconSize::Small)
5336            .icon_color(Color::Muted)
5337            .tooltip(Tooltip::text("Copy Error Message"))
5338            .on_click(move |_, _, cx| {
5339                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5340            })
5341    }
5342
5343    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5344        IconButton::new("dismiss", IconName::Close)
5345            .icon_size(IconSize::Small)
5346            .icon_color(Color::Muted)
5347            .tooltip(Tooltip::text("Dismiss Error"))
5348            .on_click(cx.listener({
5349                move |this, _, _, cx| {
5350                    this.clear_thread_error(cx);
5351                    cx.notify();
5352                }
5353            }))
5354    }
5355
5356    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5357        Button::new("authenticate", "Authenticate")
5358            .label_size(LabelSize::Small)
5359            .style(ButtonStyle::Filled)
5360            .on_click(cx.listener({
5361                move |this, _, window, cx| {
5362                    let agent = this.agent.clone();
5363                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5364                        return;
5365                    };
5366
5367                    let connection = thread.read(cx).connection().clone();
5368                    let err = AuthRequired {
5369                        description: None,
5370                        provider_id: None,
5371                    };
5372                    this.clear_thread_error(cx);
5373                    let this = cx.weak_entity();
5374                    window.defer(cx, |window, cx| {
5375                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5376                    })
5377                }
5378            }))
5379    }
5380
5381    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5382        let agent = self.agent.clone();
5383        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5384            return;
5385        };
5386
5387        let connection = thread.read(cx).connection().clone();
5388        let err = AuthRequired {
5389            description: None,
5390            provider_id: None,
5391        };
5392        self.clear_thread_error(cx);
5393        let this = cx.weak_entity();
5394        window.defer(cx, |window, cx| {
5395            Self::handle_auth_required(this, err, agent, connection, window, cx);
5396        })
5397    }
5398
5399    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5400        Button::new("upgrade", "Upgrade")
5401            .label_size(LabelSize::Small)
5402            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5403            .on_click(cx.listener({
5404                move |this, _, _, cx| {
5405                    this.clear_thread_error(cx);
5406                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5407                }
5408            }))
5409    }
5410
5411    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5412        let task = match entry {
5413            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5414                history.delete_thread(thread.id.clone(), cx)
5415            }),
5416            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
5417                history.delete_text_thread(context.path.clone(), cx)
5418            }),
5419        };
5420        task.detach_and_log_err(cx);
5421    }
5422
5423    /// Returns the currently active editor, either for a message that is being
5424    /// edited or the editor for a new message.
5425    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5426        if let Some(index) = self.editing_message
5427            && let Some(editor) = self
5428                .entry_view_state
5429                .read(cx)
5430                .entry(index)
5431                .and_then(|e| e.message_editor())
5432                .cloned()
5433        {
5434            editor
5435        } else {
5436            self.message_editor.clone()
5437        }
5438    }
5439}
5440
5441fn loading_contents_spinner(size: IconSize) -> AnyElement {
5442    Icon::new(IconName::LoadCircle)
5443        .size(size)
5444        .color(Color::Accent)
5445        .with_rotate_animation(3)
5446        .into_any_element()
5447}
5448
5449impl Focusable for AcpThreadView {
5450    fn focus_handle(&self, cx: &App) -> FocusHandle {
5451        match self.thread_state {
5452            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5453                self.active_editor(cx).focus_handle(cx)
5454            }
5455            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5456                self.focus_handle.clone()
5457            }
5458        }
5459    }
5460}
5461
5462impl Render for AcpThreadView {
5463    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5464        let has_messages = self.list_state.item_count() > 0;
5465        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5466
5467        v_flex()
5468            .size_full()
5469            .key_context("AcpThread")
5470            .on_action(cx.listener(Self::toggle_burn_mode))
5471            .on_action(cx.listener(Self::keep_all))
5472            .on_action(cx.listener(Self::reject_all))
5473            .on_action(cx.listener(Self::allow_always))
5474            .on_action(cx.listener(Self::allow_once))
5475            .on_action(cx.listener(Self::reject_once))
5476            .track_focus(&self.focus_handle)
5477            .bg(cx.theme().colors().panel_background)
5478            .child(match &self.thread_state {
5479                ThreadState::Unauthenticated {
5480                    connection,
5481                    description,
5482                    configuration_view,
5483                    pending_auth_method,
5484                    ..
5485                } => self
5486                    .render_auth_required_state(
5487                        connection,
5488                        description.as_ref(),
5489                        configuration_view.as_ref(),
5490                        pending_auth_method.as_ref(),
5491                        window,
5492                        cx,
5493                    )
5494                    .into_any(),
5495                ThreadState::Loading { .. } => v_flex()
5496                    .flex_1()
5497                    .child(self.render_recent_history(cx))
5498                    .into_any(),
5499                ThreadState::LoadError(e) => v_flex()
5500                    .flex_1()
5501                    .size_full()
5502                    .items_center()
5503                    .justify_end()
5504                    .child(self.render_load_error(e, window, cx))
5505                    .into_any(),
5506                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5507                    if has_messages {
5508                        this.child(
5509                            list(
5510                                self.list_state.clone(),
5511                                cx.processor(|this, index: usize, window, cx| {
5512                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5513                                        let entries = &thread.read(cx).entries();
5514                                        Some((entries.get(index)?, entries.len()))
5515                                    }) else {
5516                                        return Empty.into_any();
5517                                    };
5518                                    this.render_entry(index, len, entry, window, cx)
5519                                }),
5520                            )
5521                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5522                            .flex_grow()
5523                            .into_any(),
5524                        )
5525                        .vertical_scrollbar_for(self.list_state.clone(), window, cx)
5526                        .into_any()
5527                    } else {
5528                        this.child(self.render_recent_history(cx)).into_any()
5529                    }
5530                }),
5531            })
5532            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5533            // above so that the scrollbar doesn't render behind it. The current setup allows
5534            // the scrollbar to stop exactly at the activity bar start.
5535            .when(has_messages, |this| match &self.thread_state {
5536                ThreadState::Ready { thread, .. } => {
5537                    this.children(self.render_activity_bar(thread, window, cx))
5538                }
5539                _ => this,
5540            })
5541            .children(self.render_thread_retry_status_callout(window, cx))
5542            .children({
5543                #[cfg(target_os = "windows")]
5544                {
5545                    self.render_codex_windows_warning(cx)
5546                }
5547                #[cfg(not(target_os = "windows"))]
5548                {
5549                    Vec::<Empty>::new()
5550                }
5551            })
5552            .children(self.render_thread_error(cx))
5553            .when_some(
5554                self.new_server_version_available.as_ref().filter(|_| {
5555                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5556                }),
5557                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5558            )
5559            .children(
5560                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5561                    Some(usage_callout.into_any_element())
5562                } else {
5563                    self.render_token_limit_callout(line_height, cx)
5564                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5565                },
5566            )
5567            .child(self.render_message_editor(window, cx))
5568    }
5569}
5570
5571fn default_markdown_style(
5572    buffer_font: bool,
5573    muted_text: bool,
5574    window: &Window,
5575    cx: &App,
5576) -> MarkdownStyle {
5577    let theme_settings = ThemeSettings::get_global(cx);
5578    let colors = cx.theme().colors();
5579
5580    let buffer_font_size = TextSize::Small.rems(cx);
5581
5582    let mut text_style = window.text_style();
5583    let line_height = buffer_font_size * 1.75;
5584
5585    let font_family = if buffer_font {
5586        theme_settings.buffer_font.family.clone()
5587    } else {
5588        theme_settings.ui_font.family.clone()
5589    };
5590
5591    let font_size = if buffer_font {
5592        TextSize::Small.rems(cx)
5593    } else {
5594        TextSize::Default.rems(cx)
5595    };
5596
5597    let text_color = if muted_text {
5598        colors.text_muted
5599    } else {
5600        colors.text
5601    };
5602
5603    text_style.refine(&TextStyleRefinement {
5604        font_family: Some(font_family),
5605        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5606        font_features: Some(theme_settings.ui_font.features.clone()),
5607        font_size: Some(font_size.into()),
5608        line_height: Some(line_height.into()),
5609        color: Some(text_color),
5610        ..Default::default()
5611    });
5612
5613    MarkdownStyle {
5614        base_text_style: text_style.clone(),
5615        syntax: cx.theme().syntax().clone(),
5616        selection_background_color: colors.element_selection_background,
5617        code_block_overflow_x_scroll: true,
5618        table_overflow_x_scroll: true,
5619        heading_level_styles: Some(HeadingLevelStyles {
5620            h1: Some(TextStyleRefinement {
5621                font_size: Some(rems(1.15).into()),
5622                ..Default::default()
5623            }),
5624            h2: Some(TextStyleRefinement {
5625                font_size: Some(rems(1.1).into()),
5626                ..Default::default()
5627            }),
5628            h3: Some(TextStyleRefinement {
5629                font_size: Some(rems(1.05).into()),
5630                ..Default::default()
5631            }),
5632            h4: Some(TextStyleRefinement {
5633                font_size: Some(rems(1.).into()),
5634                ..Default::default()
5635            }),
5636            h5: Some(TextStyleRefinement {
5637                font_size: Some(rems(0.95).into()),
5638                ..Default::default()
5639            }),
5640            h6: Some(TextStyleRefinement {
5641                font_size: Some(rems(0.875).into()),
5642                ..Default::default()
5643            }),
5644        }),
5645        code_block: StyleRefinement {
5646            padding: EdgesRefinement {
5647                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5648                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5649                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5650                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5651            },
5652            margin: EdgesRefinement {
5653                top: Some(Length::Definite(px(8.).into())),
5654                left: Some(Length::Definite(px(0.).into())),
5655                right: Some(Length::Definite(px(0.).into())),
5656                bottom: Some(Length::Definite(px(12.).into())),
5657            },
5658            border_style: Some(BorderStyle::Solid),
5659            border_widths: EdgesRefinement {
5660                top: Some(AbsoluteLength::Pixels(px(1.))),
5661                left: Some(AbsoluteLength::Pixels(px(1.))),
5662                right: Some(AbsoluteLength::Pixels(px(1.))),
5663                bottom: Some(AbsoluteLength::Pixels(px(1.))),
5664            },
5665            border_color: Some(colors.border_variant),
5666            background: Some(colors.editor_background.into()),
5667            text: Some(TextStyleRefinement {
5668                font_family: Some(theme_settings.buffer_font.family.clone()),
5669                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5670                font_features: Some(theme_settings.buffer_font.features.clone()),
5671                font_size: Some(buffer_font_size.into()),
5672                ..Default::default()
5673            }),
5674            ..Default::default()
5675        },
5676        inline_code: TextStyleRefinement {
5677            font_family: Some(theme_settings.buffer_font.family.clone()),
5678            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5679            font_features: Some(theme_settings.buffer_font.features.clone()),
5680            font_size: Some(buffer_font_size.into()),
5681            background_color: Some(colors.editor_foreground.opacity(0.08)),
5682            ..Default::default()
5683        },
5684        link: TextStyleRefinement {
5685            background_color: Some(colors.editor_foreground.opacity(0.025)),
5686            underline: Some(UnderlineStyle {
5687                color: Some(colors.text_accent.opacity(0.5)),
5688                thickness: px(1.),
5689                ..Default::default()
5690            }),
5691            ..Default::default()
5692        },
5693        ..Default::default()
5694    }
5695}
5696
5697fn plan_label_markdown_style(
5698    status: &acp::PlanEntryStatus,
5699    window: &Window,
5700    cx: &App,
5701) -> MarkdownStyle {
5702    let default_md_style = default_markdown_style(false, false, window, cx);
5703
5704    MarkdownStyle {
5705        base_text_style: TextStyle {
5706            color: cx.theme().colors().text_muted,
5707            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5708                Some(gpui::StrikethroughStyle {
5709                    thickness: px(1.),
5710                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5711                })
5712            } else {
5713                None
5714            },
5715            ..default_md_style.base_text_style
5716        },
5717        ..default_md_style
5718    }
5719}
5720
5721fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5722    let default_md_style = default_markdown_style(true, false, window, cx);
5723
5724    MarkdownStyle {
5725        base_text_style: TextStyle {
5726            ..default_md_style.base_text_style
5727        },
5728        selection_background_color: cx.theme().colors().element_selection_background,
5729        ..Default::default()
5730    }
5731}
5732
5733#[cfg(test)]
5734pub(crate) mod tests {
5735    use acp_thread::StubAgentConnection;
5736    use agent_client_protocol::SessionId;
5737    use assistant_context::ContextStore;
5738    use editor::EditorSettings;
5739    use fs::FakeFs;
5740    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5741    use project::Project;
5742    use serde_json::json;
5743    use settings::SettingsStore;
5744    use std::any::Any;
5745    use std::path::Path;
5746    use workspace::Item;
5747
5748    use super::*;
5749
5750    #[gpui::test]
5751    async fn test_drop(cx: &mut TestAppContext) {
5752        init_test(cx);
5753
5754        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5755        let weak_view = thread_view.downgrade();
5756        drop(thread_view);
5757        assert!(!weak_view.is_upgradable());
5758    }
5759
5760    #[gpui::test]
5761    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5762        init_test(cx);
5763
5764        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5765
5766        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5767        message_editor.update_in(cx, |editor, window, cx| {
5768            editor.set_text("Hello", window, cx);
5769        });
5770
5771        cx.deactivate_window();
5772
5773        thread_view.update_in(cx, |thread_view, window, cx| {
5774            thread_view.send(window, cx);
5775        });
5776
5777        cx.run_until_parked();
5778
5779        assert!(
5780            cx.windows()
5781                .iter()
5782                .any(|window| window.downcast::<AgentNotification>().is_some())
5783        );
5784    }
5785
5786    #[gpui::test]
5787    async fn test_notification_for_error(cx: &mut TestAppContext) {
5788        init_test(cx);
5789
5790        let (thread_view, cx) =
5791            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5792
5793        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5794        message_editor.update_in(cx, |editor, window, cx| {
5795            editor.set_text("Hello", window, cx);
5796        });
5797
5798        cx.deactivate_window();
5799
5800        thread_view.update_in(cx, |thread_view, window, cx| {
5801            thread_view.send(window, cx);
5802        });
5803
5804        cx.run_until_parked();
5805
5806        assert!(
5807            cx.windows()
5808                .iter()
5809                .any(|window| window.downcast::<AgentNotification>().is_some())
5810        );
5811    }
5812
5813    #[gpui::test]
5814    async fn test_refusal_handling(cx: &mut TestAppContext) {
5815        init_test(cx);
5816
5817        let (thread_view, cx) =
5818            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
5819
5820        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5821        message_editor.update_in(cx, |editor, window, cx| {
5822            editor.set_text("Do something harmful", window, cx);
5823        });
5824
5825        thread_view.update_in(cx, |thread_view, window, cx| {
5826            thread_view.send(window, cx);
5827        });
5828
5829        cx.run_until_parked();
5830
5831        // Check that the refusal error is set
5832        thread_view.read_with(cx, |thread_view, _cx| {
5833            assert!(
5834                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5835                "Expected refusal error to be set"
5836            );
5837        });
5838    }
5839
5840    #[gpui::test]
5841    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5842        init_test(cx);
5843
5844        let tool_call_id = acp::ToolCallId("1".into());
5845        let tool_call = acp::ToolCall {
5846            id: tool_call_id.clone(),
5847            title: "Label".into(),
5848            kind: acp::ToolKind::Edit,
5849            status: acp::ToolCallStatus::Pending,
5850            content: vec!["hi".into()],
5851            locations: vec![],
5852            raw_input: None,
5853            raw_output: None,
5854            meta: None,
5855        };
5856        let connection =
5857            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5858                tool_call_id,
5859                vec![acp::PermissionOption {
5860                    id: acp::PermissionOptionId("1".into()),
5861                    name: "Allow".into(),
5862                    kind: acp::PermissionOptionKind::AllowOnce,
5863                    meta: None,
5864                }],
5865            )]));
5866
5867        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5868
5869        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5870
5871        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5872        message_editor.update_in(cx, |editor, window, cx| {
5873            editor.set_text("Hello", window, cx);
5874        });
5875
5876        cx.deactivate_window();
5877
5878        thread_view.update_in(cx, |thread_view, window, cx| {
5879            thread_view.send(window, cx);
5880        });
5881
5882        cx.run_until_parked();
5883
5884        assert!(
5885            cx.windows()
5886                .iter()
5887                .any(|window| window.downcast::<AgentNotification>().is_some())
5888        );
5889    }
5890
5891    async fn setup_thread_view(
5892        agent: impl AgentServer + 'static,
5893        cx: &mut TestAppContext,
5894    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5895        let fs = FakeFs::new(cx.executor());
5896        let project = Project::test(fs, [], cx).await;
5897        let (workspace, cx) =
5898            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5899
5900        let context_store =
5901            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5902        let history_store =
5903            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5904
5905        let thread_view = cx.update(|window, cx| {
5906            cx.new(|cx| {
5907                AcpThreadView::new(
5908                    Rc::new(agent),
5909                    None,
5910                    None,
5911                    workspace.downgrade(),
5912                    project,
5913                    history_store,
5914                    None,
5915                    window,
5916                    cx,
5917                )
5918            })
5919        });
5920        cx.run_until_parked();
5921        (thread_view, cx)
5922    }
5923
5924    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5925        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5926
5927        workspace
5928            .update_in(cx, |workspace, window, cx| {
5929                workspace.add_item_to_active_pane(
5930                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5931                    None,
5932                    true,
5933                    window,
5934                    cx,
5935                );
5936            })
5937            .unwrap();
5938    }
5939
5940    struct ThreadViewItem(Entity<AcpThreadView>);
5941
5942    impl Item for ThreadViewItem {
5943        type Event = ();
5944
5945        fn include_in_nav_history() -> bool {
5946            false
5947        }
5948
5949        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5950            "Test".into()
5951        }
5952    }
5953
5954    impl EventEmitter<()> for ThreadViewItem {}
5955
5956    impl Focusable for ThreadViewItem {
5957        fn focus_handle(&self, cx: &App) -> FocusHandle {
5958            self.0.read(cx).focus_handle(cx)
5959        }
5960    }
5961
5962    impl Render for ThreadViewItem {
5963        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5964            self.0.clone().into_any_element()
5965        }
5966    }
5967
5968    struct StubAgentServer<C> {
5969        connection: C,
5970    }
5971
5972    impl<C> StubAgentServer<C> {
5973        fn new(connection: C) -> Self {
5974            Self { connection }
5975        }
5976    }
5977
5978    impl StubAgentServer<StubAgentConnection> {
5979        fn default_response() -> Self {
5980            let conn = StubAgentConnection::new();
5981            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5982                content: "Default response".into(),
5983            }]);
5984            Self::new(conn)
5985        }
5986    }
5987
5988    impl<C> AgentServer for StubAgentServer<C>
5989    where
5990        C: 'static + AgentConnection + Send + Clone,
5991    {
5992        fn telemetry_id(&self) -> &'static str {
5993            "test"
5994        }
5995
5996        fn logo(&self) -> ui::IconName {
5997            ui::IconName::Ai
5998        }
5999
6000        fn name(&self) -> SharedString {
6001            "Test".into()
6002        }
6003
6004        fn connect(
6005            &self,
6006            _root_dir: Option<&Path>,
6007            _delegate: AgentServerDelegate,
6008            _cx: &mut App,
6009        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6010            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6011        }
6012
6013        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6014            self
6015        }
6016    }
6017
6018    #[derive(Clone)]
6019    struct SaboteurAgentConnection;
6020
6021    impl AgentConnection for SaboteurAgentConnection {
6022        fn new_thread(
6023            self: Rc<Self>,
6024            project: Entity<Project>,
6025            _cwd: &Path,
6026            cx: &mut gpui::App,
6027        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6028            Task::ready(Ok(cx.new(|cx| {
6029                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6030                AcpThread::new(
6031                    "SaboteurAgentConnection",
6032                    self,
6033                    project,
6034                    action_log,
6035                    SessionId("test".into()),
6036                    watch::Receiver::constant(acp::PromptCapabilities {
6037                        image: true,
6038                        audio: true,
6039                        embedded_context: true,
6040                        meta: None,
6041                    }),
6042                    cx,
6043                )
6044            })))
6045        }
6046
6047        fn auth_methods(&self) -> &[acp::AuthMethod] {
6048            &[]
6049        }
6050
6051        fn authenticate(
6052            &self,
6053            _method_id: acp::AuthMethodId,
6054            _cx: &mut App,
6055        ) -> Task<gpui::Result<()>> {
6056            unimplemented!()
6057        }
6058
6059        fn prompt(
6060            &self,
6061            _id: Option<acp_thread::UserMessageId>,
6062            _params: acp::PromptRequest,
6063            _cx: &mut App,
6064        ) -> Task<gpui::Result<acp::PromptResponse>> {
6065            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6066        }
6067
6068        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6069            unimplemented!()
6070        }
6071
6072        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6073            self
6074        }
6075    }
6076
6077    /// Simulates a model which always returns a refusal response
6078    #[derive(Clone)]
6079    struct RefusalAgentConnection;
6080
6081    impl AgentConnection for RefusalAgentConnection {
6082        fn new_thread(
6083            self: Rc<Self>,
6084            project: Entity<Project>,
6085            _cwd: &Path,
6086            cx: &mut gpui::App,
6087        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6088            Task::ready(Ok(cx.new(|cx| {
6089                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6090                AcpThread::new(
6091                    "RefusalAgentConnection",
6092                    self,
6093                    project,
6094                    action_log,
6095                    SessionId("test".into()),
6096                    watch::Receiver::constant(acp::PromptCapabilities {
6097                        image: true,
6098                        audio: true,
6099                        embedded_context: true,
6100                        meta: None,
6101                    }),
6102                    cx,
6103                )
6104            })))
6105        }
6106
6107        fn auth_methods(&self) -> &[acp::AuthMethod] {
6108            &[]
6109        }
6110
6111        fn authenticate(
6112            &self,
6113            _method_id: acp::AuthMethodId,
6114            _cx: &mut App,
6115        ) -> Task<gpui::Result<()>> {
6116            unimplemented!()
6117        }
6118
6119        fn prompt(
6120            &self,
6121            _id: Option<acp_thread::UserMessageId>,
6122            _params: acp::PromptRequest,
6123            _cx: &mut App,
6124        ) -> Task<gpui::Result<acp::PromptResponse>> {
6125            Task::ready(Ok(acp::PromptResponse {
6126                stop_reason: acp::StopReason::Refusal,
6127                meta: None,
6128            }))
6129        }
6130
6131        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6132            unimplemented!()
6133        }
6134
6135        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6136            self
6137        }
6138    }
6139
6140    pub(crate) fn init_test(cx: &mut TestAppContext) {
6141        cx.update(|cx| {
6142            let settings_store = SettingsStore::test(cx);
6143            cx.set_global(settings_store);
6144            language::init(cx);
6145            Project::init_settings(cx);
6146            AgentSettings::register(cx);
6147            workspace::init_settings(cx);
6148            theme::init(theme::LoadThemes::JustBase, cx);
6149            release_channel::init(SemanticVersion::default(), cx);
6150            EditorSettings::register(cx);
6151            prompt_store::init(cx)
6152        });
6153    }
6154
6155    #[gpui::test]
6156    async fn test_rewind_views(cx: &mut TestAppContext) {
6157        init_test(cx);
6158
6159        let fs = FakeFs::new(cx.executor());
6160        fs.insert_tree(
6161            "/project",
6162            json!({
6163                "test1.txt": "old content 1",
6164                "test2.txt": "old content 2"
6165            }),
6166        )
6167        .await;
6168        let project = Project::test(fs, [Path::new("/project")], cx).await;
6169        let (workspace, cx) =
6170            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6171
6172        let context_store =
6173            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
6174        let history_store =
6175            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
6176
6177        let connection = Rc::new(StubAgentConnection::new());
6178        let thread_view = cx.update(|window, cx| {
6179            cx.new(|cx| {
6180                AcpThreadView::new(
6181                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6182                    None,
6183                    None,
6184                    workspace.downgrade(),
6185                    project.clone(),
6186                    history_store.clone(),
6187                    None,
6188                    window,
6189                    cx,
6190                )
6191            })
6192        });
6193
6194        cx.run_until_parked();
6195
6196        let thread = thread_view
6197            .read_with(cx, |view, _| view.thread().cloned())
6198            .unwrap();
6199
6200        // First user message
6201        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6202            id: acp::ToolCallId("tool1".into()),
6203            title: "Edit file 1".into(),
6204            kind: acp::ToolKind::Edit,
6205            status: acp::ToolCallStatus::Completed,
6206            content: vec![acp::ToolCallContent::Diff {
6207                diff: acp::Diff {
6208                    path: "/project/test1.txt".into(),
6209                    old_text: Some("old content 1".into()),
6210                    new_text: "new content 1".into(),
6211                    meta: None,
6212                },
6213            }],
6214            locations: vec![],
6215            raw_input: None,
6216            raw_output: None,
6217            meta: None,
6218        })]);
6219
6220        thread
6221            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6222            .await
6223            .unwrap();
6224        cx.run_until_parked();
6225
6226        thread.read_with(cx, |thread, _| {
6227            assert_eq!(thread.entries().len(), 2);
6228        });
6229
6230        thread_view.read_with(cx, |view, cx| {
6231            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6232                assert!(
6233                    entry_view_state
6234                        .entry(0)
6235                        .unwrap()
6236                        .message_editor()
6237                        .is_some()
6238                );
6239                assert!(entry_view_state.entry(1).unwrap().has_content());
6240            });
6241        });
6242
6243        // Second user message
6244        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6245            id: acp::ToolCallId("tool2".into()),
6246            title: "Edit file 2".into(),
6247            kind: acp::ToolKind::Edit,
6248            status: acp::ToolCallStatus::Completed,
6249            content: vec![acp::ToolCallContent::Diff {
6250                diff: acp::Diff {
6251                    path: "/project/test2.txt".into(),
6252                    old_text: Some("old content 2".into()),
6253                    new_text: "new content 2".into(),
6254                    meta: None,
6255                },
6256            }],
6257            locations: vec![],
6258            raw_input: None,
6259            raw_output: None,
6260            meta: None,
6261        })]);
6262
6263        thread
6264            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6265            .await
6266            .unwrap();
6267        cx.run_until_parked();
6268
6269        let second_user_message_id = thread.read_with(cx, |thread, _| {
6270            assert_eq!(thread.entries().len(), 4);
6271            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6272                panic!();
6273            };
6274            user_message.id.clone().unwrap()
6275        });
6276
6277        thread_view.read_with(cx, |view, cx| {
6278            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6279                assert!(
6280                    entry_view_state
6281                        .entry(0)
6282                        .unwrap()
6283                        .message_editor()
6284                        .is_some()
6285                );
6286                assert!(entry_view_state.entry(1).unwrap().has_content());
6287                assert!(
6288                    entry_view_state
6289                        .entry(2)
6290                        .unwrap()
6291                        .message_editor()
6292                        .is_some()
6293                );
6294                assert!(entry_view_state.entry(3).unwrap().has_content());
6295            });
6296        });
6297
6298        // Rewind to first message
6299        thread
6300            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6301            .await
6302            .unwrap();
6303
6304        cx.run_until_parked();
6305
6306        thread.read_with(cx, |thread, _| {
6307            assert_eq!(thread.entries().len(), 2);
6308        });
6309
6310        thread_view.read_with(cx, |view, cx| {
6311            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6312                assert!(
6313                    entry_view_state
6314                        .entry(0)
6315                        .unwrap()
6316                        .message_editor()
6317                        .is_some()
6318                );
6319                assert!(entry_view_state.entry(1).unwrap().has_content());
6320
6321                // Old views should be dropped
6322                assert!(entry_view_state.entry(2).is_none());
6323                assert!(entry_view_state.entry(3).is_none());
6324            });
6325        });
6326    }
6327
6328    #[gpui::test]
6329    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6330        init_test(cx);
6331
6332        let connection = StubAgentConnection::new();
6333
6334        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6335            content: acp::ContentBlock::Text(acp::TextContent {
6336                text: "Response".into(),
6337                annotations: None,
6338                meta: None,
6339            }),
6340        }]);
6341
6342        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6343        add_to_workspace(thread_view.clone(), cx);
6344
6345        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6346        message_editor.update_in(cx, |editor, window, cx| {
6347            editor.set_text("Original message to edit", window, cx);
6348        });
6349        thread_view.update_in(cx, |thread_view, window, cx| {
6350            thread_view.send(window, cx);
6351        });
6352
6353        cx.run_until_parked();
6354
6355        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6356            assert_eq!(view.editing_message, None);
6357
6358            view.entry_view_state
6359                .read(cx)
6360                .entry(0)
6361                .unwrap()
6362                .message_editor()
6363                .unwrap()
6364                .clone()
6365        });
6366
6367        // Focus
6368        cx.focus(&user_message_editor);
6369        thread_view.read_with(cx, |view, _cx| {
6370            assert_eq!(view.editing_message, Some(0));
6371        });
6372
6373        // Edit
6374        user_message_editor.update_in(cx, |editor, window, cx| {
6375            editor.set_text("Edited message content", window, cx);
6376        });
6377
6378        // Cancel
6379        user_message_editor.update_in(cx, |_editor, window, cx| {
6380            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6381        });
6382
6383        thread_view.read_with(cx, |view, _cx| {
6384            assert_eq!(view.editing_message, None);
6385        });
6386
6387        user_message_editor.read_with(cx, |editor, cx| {
6388            assert_eq!(editor.text(cx), "Original message to edit");
6389        });
6390    }
6391
6392    #[gpui::test]
6393    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6394        init_test(cx);
6395
6396        let connection = StubAgentConnection::new();
6397
6398        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6399        add_to_workspace(thread_view.clone(), cx);
6400
6401        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6402        let mut events = cx.events(&message_editor);
6403        message_editor.update_in(cx, |editor, window, cx| {
6404            editor.set_text("", window, cx);
6405        });
6406
6407        message_editor.update_in(cx, |_editor, window, cx| {
6408            window.dispatch_action(Box::new(Chat), cx);
6409        });
6410        cx.run_until_parked();
6411        // We shouldn't have received any messages
6412        assert!(matches!(
6413            events.try_next(),
6414            Err(futures::channel::mpsc::TryRecvError { .. })
6415        ));
6416    }
6417
6418    #[gpui::test]
6419    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6420        init_test(cx);
6421
6422        let connection = StubAgentConnection::new();
6423
6424        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6425            content: acp::ContentBlock::Text(acp::TextContent {
6426                text: "Response".into(),
6427                annotations: None,
6428                meta: None,
6429            }),
6430        }]);
6431
6432        let (thread_view, cx) =
6433            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6434        add_to_workspace(thread_view.clone(), cx);
6435
6436        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6437        message_editor.update_in(cx, |editor, window, cx| {
6438            editor.set_text("Original message to edit", window, cx);
6439        });
6440        thread_view.update_in(cx, |thread_view, window, cx| {
6441            thread_view.send(window, cx);
6442        });
6443
6444        cx.run_until_parked();
6445
6446        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6447            assert_eq!(view.editing_message, None);
6448            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6449
6450            view.entry_view_state
6451                .read(cx)
6452                .entry(0)
6453                .unwrap()
6454                .message_editor()
6455                .unwrap()
6456                .clone()
6457        });
6458
6459        // Focus
6460        cx.focus(&user_message_editor);
6461
6462        // Edit
6463        user_message_editor.update_in(cx, |editor, window, cx| {
6464            editor.set_text("Edited message content", window, cx);
6465        });
6466
6467        // Send
6468        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6469            content: acp::ContentBlock::Text(acp::TextContent {
6470                text: "New Response".into(),
6471                annotations: None,
6472                meta: None,
6473            }),
6474        }]);
6475
6476        user_message_editor.update_in(cx, |_editor, window, cx| {
6477            window.dispatch_action(Box::new(Chat), cx);
6478        });
6479
6480        cx.run_until_parked();
6481
6482        thread_view.read_with(cx, |view, cx| {
6483            assert_eq!(view.editing_message, None);
6484
6485            let entries = view.thread().unwrap().read(cx).entries();
6486            assert_eq!(entries.len(), 2);
6487            assert_eq!(
6488                entries[0].to_markdown(cx),
6489                "## User\n\nEdited message content\n\n"
6490            );
6491            assert_eq!(
6492                entries[1].to_markdown(cx),
6493                "## Assistant\n\nNew Response\n\n"
6494            );
6495
6496            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6497                assert!(!state.entry(1).unwrap().has_content());
6498                state.entry(0).unwrap().message_editor().unwrap().clone()
6499            });
6500
6501            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6502        })
6503    }
6504
6505    #[gpui::test]
6506    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6507        init_test(cx);
6508
6509        let connection = StubAgentConnection::new();
6510
6511        let (thread_view, cx) =
6512            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6513        add_to_workspace(thread_view.clone(), cx);
6514
6515        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6516        message_editor.update_in(cx, |editor, window, cx| {
6517            editor.set_text("Original message to edit", window, cx);
6518        });
6519        thread_view.update_in(cx, |thread_view, window, cx| {
6520            thread_view.send(window, cx);
6521        });
6522
6523        cx.run_until_parked();
6524
6525        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6526            let thread = view.thread().unwrap().read(cx);
6527            assert_eq!(thread.entries().len(), 1);
6528
6529            let editor = view
6530                .entry_view_state
6531                .read(cx)
6532                .entry(0)
6533                .unwrap()
6534                .message_editor()
6535                .unwrap()
6536                .clone();
6537
6538            (editor, thread.session_id().clone())
6539        });
6540
6541        // Focus
6542        cx.focus(&user_message_editor);
6543
6544        thread_view.read_with(cx, |view, _cx| {
6545            assert_eq!(view.editing_message, Some(0));
6546        });
6547
6548        // Edit
6549        user_message_editor.update_in(cx, |editor, window, cx| {
6550            editor.set_text("Edited message content", window, cx);
6551        });
6552
6553        thread_view.read_with(cx, |view, _cx| {
6554            assert_eq!(view.editing_message, Some(0));
6555        });
6556
6557        // Finish streaming response
6558        cx.update(|_, cx| {
6559            connection.send_update(
6560                session_id.clone(),
6561                acp::SessionUpdate::AgentMessageChunk {
6562                    content: acp::ContentBlock::Text(acp::TextContent {
6563                        text: "Response".into(),
6564                        annotations: None,
6565                        meta: None,
6566                    }),
6567                },
6568                cx,
6569            );
6570            connection.end_turn(session_id, acp::StopReason::EndTurn);
6571        });
6572
6573        thread_view.read_with(cx, |view, _cx| {
6574            assert_eq!(view.editing_message, Some(0));
6575        });
6576
6577        cx.run_until_parked();
6578
6579        // Should still be editing
6580        cx.update(|window, cx| {
6581            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6582            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6583            assert_eq!(
6584                user_message_editor.read(cx).text(cx),
6585                "Edited message content"
6586            );
6587        });
6588    }
6589
6590    #[gpui::test]
6591    async fn test_interrupt(cx: &mut TestAppContext) {
6592        init_test(cx);
6593
6594        let connection = StubAgentConnection::new();
6595
6596        let (thread_view, cx) =
6597            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6598        add_to_workspace(thread_view.clone(), cx);
6599
6600        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6601        message_editor.update_in(cx, |editor, window, cx| {
6602            editor.set_text("Message 1", window, cx);
6603        });
6604        thread_view.update_in(cx, |thread_view, window, cx| {
6605            thread_view.send(window, cx);
6606        });
6607
6608        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6609            let thread = view.thread().unwrap();
6610
6611            (thread.clone(), thread.read(cx).session_id().clone())
6612        });
6613
6614        cx.run_until_parked();
6615
6616        cx.update(|_, cx| {
6617            connection.send_update(
6618                session_id.clone(),
6619                acp::SessionUpdate::AgentMessageChunk {
6620                    content: "Message 1 resp".into(),
6621                },
6622                cx,
6623            );
6624        });
6625
6626        cx.run_until_parked();
6627
6628        thread.read_with(cx, |thread, cx| {
6629            assert_eq!(
6630                thread.to_markdown(cx),
6631                indoc::indoc! {"
6632                    ## User
6633
6634                    Message 1
6635
6636                    ## Assistant
6637
6638                    Message 1 resp
6639
6640                "}
6641            )
6642        });
6643
6644        message_editor.update_in(cx, |editor, window, cx| {
6645            editor.set_text("Message 2", window, cx);
6646        });
6647        thread_view.update_in(cx, |thread_view, window, cx| {
6648            thread_view.send(window, cx);
6649        });
6650
6651        cx.update(|_, cx| {
6652            // Simulate a response sent after beginning to cancel
6653            connection.send_update(
6654                session_id.clone(),
6655                acp::SessionUpdate::AgentMessageChunk {
6656                    content: "onse".into(),
6657                },
6658                cx,
6659            );
6660        });
6661
6662        cx.run_until_parked();
6663
6664        // Last Message 1 response should appear before Message 2
6665        thread.read_with(cx, |thread, cx| {
6666            assert_eq!(
6667                thread.to_markdown(cx),
6668                indoc::indoc! {"
6669                    ## User
6670
6671                    Message 1
6672
6673                    ## Assistant
6674
6675                    Message 1 response
6676
6677                    ## User
6678
6679                    Message 2
6680
6681                "}
6682            )
6683        });
6684
6685        cx.update(|_, cx| {
6686            connection.send_update(
6687                session_id.clone(),
6688                acp::SessionUpdate::AgentMessageChunk {
6689                    content: "Message 2 response".into(),
6690                },
6691                cx,
6692            );
6693            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6694        });
6695
6696        cx.run_until_parked();
6697
6698        thread.read_with(cx, |thread, cx| {
6699            assert_eq!(
6700                thread.to_markdown(cx),
6701                indoc::indoc! {"
6702                    ## User
6703
6704                    Message 1
6705
6706                    ## Assistant
6707
6708                    Message 1 response
6709
6710                    ## User
6711
6712                    Message 2
6713
6714                    ## Assistant
6715
6716                    Message 2 response
6717
6718                "}
6719            )
6720        });
6721    }
6722
6723    #[gpui::test]
6724    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
6725        init_test(cx);
6726
6727        let connection = StubAgentConnection::new();
6728        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6729            content: acp::ContentBlock::Text(acp::TextContent {
6730                text: "Response".into(),
6731                annotations: None,
6732                meta: None,
6733            }),
6734        }]);
6735
6736        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6737        add_to_workspace(thread_view.clone(), cx);
6738
6739        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6740        message_editor.update_in(cx, |editor, window, cx| {
6741            editor.set_text("Original message to edit", window, cx)
6742        });
6743        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
6744        cx.run_until_parked();
6745
6746        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
6747            thread_view
6748                .entry_view_state
6749                .read(cx)
6750                .entry(0)
6751                .expect("Should have at least one entry")
6752                .message_editor()
6753                .expect("Should have message editor")
6754                .clone()
6755        });
6756
6757        cx.focus(&user_message_editor);
6758        thread_view.read_with(cx, |thread_view, _cx| {
6759            assert_eq!(thread_view.editing_message, Some(0));
6760        });
6761
6762        // Ensure to edit the focused message before proceeding otherwise, since
6763        // its content is not different from what was sent, focus will be lost.
6764        user_message_editor.update_in(cx, |editor, window, cx| {
6765            editor.set_text("Original message to edit with ", window, cx)
6766        });
6767
6768        // Create a simple buffer with some text so we can create a selection
6769        // that will then be added to the message being edited.
6770        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
6771            (thread_view.workspace.clone(), thread_view.project.clone())
6772        });
6773        let buffer = project.update(cx, |project, cx| {
6774            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
6775        });
6776
6777        workspace
6778            .update_in(cx, |workspace, window, cx| {
6779                let editor = cx.new(|cx| {
6780                    let mut editor =
6781                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
6782
6783                    editor.change_selections(Default::default(), window, cx, |selections| {
6784                        selections.select_ranges([8..15]);
6785                    });
6786
6787                    editor
6788                });
6789                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
6790            })
6791            .unwrap();
6792
6793        thread_view.update_in(cx, |thread_view, window, cx| {
6794            assert_eq!(thread_view.editing_message, Some(0));
6795            thread_view.insert_selections(window, cx);
6796        });
6797
6798        user_message_editor.read_with(cx, |editor, cx| {
6799            let text = editor.editor().read(cx).text(cx);
6800            let expected_text = String::from("Original message to edit with selection ");
6801
6802            assert_eq!(text, expected_text);
6803        });
6804    }
6805
6806    #[gpui::test]
6807    async fn test_insert_selections(cx: &mut TestAppContext) {
6808        init_test(cx);
6809
6810        let connection = StubAgentConnection::new();
6811        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6812            content: acp::ContentBlock::Text(acp::TextContent {
6813                text: "Response".into(),
6814                annotations: None,
6815                meta: None,
6816            }),
6817        }]);
6818
6819        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6820        add_to_workspace(thread_view.clone(), cx);
6821
6822        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6823        message_editor.update_in(cx, |editor, window, cx| {
6824            editor.set_text("Can you review this snippet ", window, cx)
6825        });
6826
6827        // Create a simple buffer with some text so we can create a selection
6828        // that will then be added to the message being edited.
6829        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
6830            (thread_view.workspace.clone(), thread_view.project.clone())
6831        });
6832        let buffer = project.update(cx, |project, cx| {
6833            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
6834        });
6835
6836        workspace
6837            .update_in(cx, |workspace, window, cx| {
6838                let editor = cx.new(|cx| {
6839                    let mut editor =
6840                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
6841
6842                    editor.change_selections(Default::default(), window, cx, |selections| {
6843                        selections.select_ranges([8..15]);
6844                    });
6845
6846                    editor
6847                });
6848                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
6849            })
6850            .unwrap();
6851
6852        thread_view.update_in(cx, |thread_view, window, cx| {
6853            assert_eq!(thread_view.editing_message, None);
6854            thread_view.insert_selections(window, cx);
6855        });
6856
6857        thread_view.read_with(cx, |thread_view, cx| {
6858            let text = thread_view.message_editor.read(cx).text(cx);
6859            let expected_txt = String::from("Can you review this snippet selection ");
6860
6861            assert_eq!(text, expected_txt);
6862        })
6863    }
6864}