thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent_client_protocol::{self as acp, PromptCapabilities};
   9use agent_servers::{AgentServer, AgentServerDelegate, ClaudeCode};
  10use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
  11use agent2::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
  12use anyhow::{Context as _, Result, anyhow, bail};
  13use audio::{Audio, Sound};
  14use buffer_diff::BufferDiff;
  15use client::zed_urls;
  16use collections::{HashMap, HashSet};
  17use editor::scroll::Autoscroll;
  18use editor::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  19use file_icons::FileIcons;
  20use fs::Fs;
  21use futures::FutureExt as _;
  22use gpui::{
  23    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  24    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  25    ListOffset, ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement,
  26    Subscription, Task, TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity,
  27    Window, WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, percentage,
  28    point, prelude::*, pulsating_between,
  29};
  30use language::Buffer;
  31
  32use language_model::LanguageModelRegistry;
  33use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  34use project::{Project, ProjectEntryId};
  35use prompt_store::{PromptId, PromptStore};
  36use rope::Point;
  37use settings::{Settings as _, SettingsStore};
  38use std::cell::{Cell, RefCell};
  39use std::path::Path;
  40use std::sync::Arc;
  41use std::time::Instant;
  42use std::{collections::BTreeMap, rc::Rc, time::Duration};
  43use task::SpawnInTerminal;
  44use terminal_view::terminal_panel::TerminalPanel;
  45use text::Anchor;
  46use theme::ThemeSettings;
  47use ui::{
  48    Callout, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle,
  49    Scrollbar, ScrollbarState, SpinnerLabel, Tooltip, 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::entry_view_state::{EntryViewEvent, ViewEvent};
  59use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  60use crate::agent_diff::AgentDiff;
  61use crate::profile_selector::{ProfileProvider, ProfileSelector};
  62
  63use crate::ui::preview::UsageCallout;
  64use crate::ui::{
  65    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  66};
  67use crate::{
  68    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, ExpandMessageEditor, Follow,
  69    KeepAll, OpenAgentDiff, OpenHistory, RejectAll, ToggleBurnMode, ToggleProfileSelector,
  70};
  71
  72pub const MIN_EDITOR_LINES: usize = 4;
  73pub const MAX_EDITOR_LINES: usize = 8;
  74
  75#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  76enum ThreadFeedback {
  77    Positive,
  78    Negative,
  79}
  80
  81#[derive(Debug)]
  82enum ThreadError {
  83    PaymentRequired,
  84    ModelRequestLimitReached(cloud_llm_client::Plan),
  85    ToolUseLimitReached,
  86    Refusal,
  87    AuthenticationRequired(SharedString),
  88    Other(SharedString),
  89}
  90
  91impl ThreadError {
  92    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  93        if error.is::<language_model::PaymentRequiredError>() {
  94            Self::PaymentRequired
  95        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  96            Self::ToolUseLimitReached
  97        } else if let Some(error) =
  98            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  99        {
 100            Self::ModelRequestLimitReached(error.plan)
 101        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 102            && acp_error.code == acp::ErrorCode::AUTH_REQUIRED.code
 103        {
 104            Self::AuthenticationRequired(acp_error.message.clone().into())
 105        } else {
 106            let string = error.to_string();
 107            // TODO: we should have Gemini return better errors here.
 108            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 109                && string.contains("Could not load the default credentials")
 110                || string.contains("API key not valid")
 111                || string.contains("Request had invalid authentication credentials")
 112            {
 113                Self::AuthenticationRequired(string.into())
 114            } else {
 115                Self::Other(error.to_string().into())
 116            }
 117        }
 118    }
 119}
 120
 121impl ProfileProvider for Entity<agent2::Thread> {
 122    fn profile_id(&self, cx: &App) -> AgentProfileId {
 123        self.read(cx).profile().clone()
 124    }
 125
 126    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 127        self.update(cx, |thread, _cx| {
 128            thread.set_profile(profile_id);
 129        });
 130    }
 131
 132    fn profiles_supported(&self, cx: &App) -> bool {
 133        self.read(cx)
 134            .model()
 135            .is_some_and(|model| model.supports_tools())
 136    }
 137}
 138
 139#[derive(Default)]
 140struct ThreadFeedbackState {
 141    feedback: Option<ThreadFeedback>,
 142    comments_editor: Option<Entity<Editor>>,
 143}
 144
 145impl ThreadFeedbackState {
 146    pub fn submit(
 147        &mut self,
 148        thread: Entity<AcpThread>,
 149        feedback: ThreadFeedback,
 150        window: &mut Window,
 151        cx: &mut App,
 152    ) {
 153        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 154            return;
 155        };
 156
 157        if self.feedback == Some(feedback) {
 158            return;
 159        }
 160
 161        self.feedback = Some(feedback);
 162        match feedback {
 163            ThreadFeedback::Positive => {
 164                self.comments_editor = None;
 165            }
 166            ThreadFeedback::Negative => {
 167                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 168            }
 169        }
 170        let session_id = thread.read(cx).session_id().clone();
 171        let agent_name = telemetry.agent_name();
 172        let task = telemetry.thread_data(&session_id, cx);
 173        let rating = match feedback {
 174            ThreadFeedback::Positive => "positive",
 175            ThreadFeedback::Negative => "negative",
 176        };
 177        cx.background_spawn(async move {
 178            let thread = task.await?;
 179            telemetry::event!(
 180                "Agent Thread Rated",
 181                session_id = session_id,
 182                rating = rating,
 183                agent = agent_name,
 184                thread = thread
 185            );
 186            anyhow::Ok(())
 187        })
 188        .detach_and_log_err(cx);
 189    }
 190
 191    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 192        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 193            return;
 194        };
 195
 196        let Some(comments) = self
 197            .comments_editor
 198            .as_ref()
 199            .map(|editor| editor.read(cx).text(cx))
 200            .filter(|text| !text.trim().is_empty())
 201        else {
 202            return;
 203        };
 204
 205        self.comments_editor.take();
 206
 207        let session_id = thread.read(cx).session_id().clone();
 208        let agent_name = telemetry.agent_name();
 209        let task = telemetry.thread_data(&session_id, cx);
 210        cx.background_spawn(async move {
 211            let thread = task.await?;
 212            telemetry::event!(
 213                "Agent Thread Feedback Comments",
 214                session_id = session_id,
 215                comments = comments,
 216                agent = agent_name,
 217                thread = thread
 218            );
 219            anyhow::Ok(())
 220        })
 221        .detach_and_log_err(cx);
 222    }
 223
 224    pub fn clear(&mut self) {
 225        *self = Self::default()
 226    }
 227
 228    pub fn dismiss_comments(&mut self) {
 229        self.comments_editor.take();
 230    }
 231
 232    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 233        let buffer = cx.new(|cx| {
 234            let empty_string = String::new();
 235            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 236        });
 237
 238        let editor = cx.new(|cx| {
 239            let mut editor = Editor::new(
 240                editor::EditorMode::AutoHeight {
 241                    min_lines: 1,
 242                    max_lines: Some(4),
 243                },
 244                buffer,
 245                None,
 246                window,
 247                cx,
 248            );
 249            editor.set_placeholder_text(
 250                "What went wrong? Share your feedback so we can improve.",
 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    history_store: Entity<HistoryStore>,
 267    hovered_recent_history_item: Option<usize>,
 268    entry_view_state: Entity<EntryViewState>,
 269    message_editor: Entity<MessageEditor>,
 270    focus_handle: FocusHandle,
 271    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 272    profile_selector: Option<Entity<ProfileSelector>>,
 273    notifications: Vec<WindowHandle<AgentNotification>>,
 274    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 275    thread_retry_status: Option<RetryStatus>,
 276    thread_error: Option<ThreadError>,
 277    thread_feedback: ThreadFeedbackState,
 278    list_state: ListState,
 279    scrollbar_state: ScrollbarState,
 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<Cell<PromptCapabilities>>,
 289    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 290    is_loading_contents: bool,
 291    _cancel_task: Option<Task<()>>,
 292    _subscriptions: [Subscription; 3],
 293}
 294
 295enum ThreadState {
 296    Loading(Entity<LoadingView>),
 297    Ready {
 298        thread: Entity<AcpThread>,
 299        title_editor: Option<Entity<Editor>>,
 300        _subscriptions: Vec<Subscription>,
 301    },
 302    LoadError(LoadError),
 303    Unauthenticated {
 304        connection: Rc<dyn AgentConnection>,
 305        description: Option<Entity<Markdown>>,
 306        configuration_view: Option<AnyView>,
 307        pending_auth_method: Option<acp::AuthMethodId>,
 308        _subscription: Option<Subscription>,
 309    },
 310}
 311
 312struct LoadingView {
 313    title: SharedString,
 314    _load_task: Task<()>,
 315    _update_title_task: Task<anyhow::Result<()>>,
 316}
 317
 318impl AcpThreadView {
 319    pub fn new(
 320        agent: Rc<dyn AgentServer>,
 321        resume_thread: Option<DbThreadMetadata>,
 322        summarize_thread: Option<DbThreadMetadata>,
 323        workspace: WeakEntity<Workspace>,
 324        project: Entity<Project>,
 325        history_store: Entity<HistoryStore>,
 326        prompt_store: Option<Entity<PromptStore>>,
 327        window: &mut Window,
 328        cx: &mut Context<Self>,
 329    ) -> Self {
 330        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
 331        let available_commands = Rc::new(RefCell::new(vec![]));
 332
 333        let placeholder = if agent.name() == "Zed Agent" {
 334            format!("Message the {} — @ to include context", agent.name())
 335        } else if agent.name() == "Claude Code" || !available_commands.borrow().is_empty() {
 336            format!(
 337                "Message {} — @ to include context, / for commands",
 338                agent.name()
 339            )
 340        } else {
 341            format!("Message {} — @ to include context", agent.name())
 342        };
 343
 344        let message_editor = cx.new(|cx| {
 345            let mut editor = MessageEditor::new(
 346                workspace.clone(),
 347                project.clone(),
 348                history_store.clone(),
 349                prompt_store.clone(),
 350                prompt_capabilities.clone(),
 351                available_commands.clone(),
 352                agent.name(),
 353                placeholder,
 354                editor::EditorMode::AutoHeight {
 355                    min_lines: MIN_EDITOR_LINES,
 356                    max_lines: Some(MAX_EDITOR_LINES),
 357                },
 358                window,
 359                cx,
 360            );
 361            if let Some(entry) = summarize_thread {
 362                editor.insert_thread_summary(entry, window, cx);
 363            }
 364            editor
 365        });
 366
 367        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 368
 369        let entry_view_state = cx.new(|_| {
 370            EntryViewState::new(
 371                workspace.clone(),
 372                project.clone(),
 373                history_store.clone(),
 374                prompt_store.clone(),
 375                prompt_capabilities.clone(),
 376                available_commands.clone(),
 377                agent.name(),
 378            )
 379        });
 380
 381        let subscriptions = [
 382            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 383            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 384            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 385        ];
 386
 387        Self {
 388            agent: agent.clone(),
 389            workspace: workspace.clone(),
 390            project: project.clone(),
 391            entry_view_state,
 392            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 393            message_editor,
 394            model_selector: None,
 395            profile_selector: None,
 396            notifications: Vec::new(),
 397            notification_subscriptions: HashMap::default(),
 398            list_state: list_state.clone(),
 399            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 400            thread_retry_status: None,
 401            thread_error: None,
 402            thread_feedback: Default::default(),
 403            auth_task: None,
 404            expanded_tool_calls: HashSet::default(),
 405            expanded_thinking_blocks: HashSet::default(),
 406            editing_message: None,
 407            edits_expanded: false,
 408            plan_expanded: false,
 409            prompt_capabilities,
 410            available_commands,
 411            editor_expanded: false,
 412            should_be_following: false,
 413            history_store,
 414            hovered_recent_history_item: None,
 415            is_loading_contents: false,
 416            _subscriptions: subscriptions,
 417            _cancel_task: None,
 418            focus_handle: cx.focus_handle(),
 419        }
 420    }
 421
 422    fn initial_state(
 423        agent: Rc<dyn AgentServer>,
 424        resume_thread: Option<DbThreadMetadata>,
 425        workspace: WeakEntity<Workspace>,
 426        project: Entity<Project>,
 427        window: &mut Window,
 428        cx: &mut Context<Self>,
 429    ) -> ThreadState {
 430        if !project.read(cx).is_local() && agent.clone().downcast::<NativeAgentServer>().is_none() {
 431            return ThreadState::LoadError(LoadError::Other(
 432                "External agents are not yet supported for remote projects.".into(),
 433            ));
 434        }
 435        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 436        // Pick the first non-single-file worktree for the root directory if there are any,
 437        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 438        worktrees.sort_by(|l, r| {
 439            l.read(cx)
 440                .is_single_file()
 441                .cmp(&r.read(cx).is_single_file())
 442        });
 443        let root_dir = worktrees
 444            .into_iter()
 445            .filter_map(|worktree| {
 446                if worktree.read(cx).is_single_file() {
 447                    Some(worktree.read(cx).abs_path().parent()?.into())
 448                } else {
 449                    Some(worktree.read(cx).abs_path())
 450                }
 451            })
 452            .next()
 453            .unwrap_or_else(|| paths::home_dir().as_path().into());
 454        let (tx, mut rx) = watch::channel("Loading…".into());
 455        let delegate = AgentServerDelegate::new(project.clone(), Some(tx));
 456
 457        let connect_task = agent.connect(&root_dir, delegate, cx);
 458        let load_task = cx.spawn_in(window, async move |this, cx| {
 459            let connection = match connect_task.await {
 460                Ok(connection) => connection,
 461                Err(err) => {
 462                    this.update_in(cx, |this, window, cx| {
 463                        if err.downcast_ref::<LoadError>().is_some() {
 464                            this.handle_load_error(err, window, cx);
 465                        } else {
 466                            this.handle_thread_error(err, cx);
 467                        }
 468                        cx.notify();
 469                    })
 470                    .log_err();
 471                    return;
 472                }
 473            };
 474
 475            let result = if let Some(native_agent) = connection
 476                .clone()
 477                .downcast::<agent2::NativeAgentConnection>()
 478                && let Some(resume) = resume_thread.clone()
 479            {
 480                cx.update(|_, cx| {
 481                    native_agent
 482                        .0
 483                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 484                })
 485                .log_err()
 486            } else {
 487                cx.update(|_, cx| {
 488                    connection
 489                        .clone()
 490                        .new_thread(project.clone(), &root_dir, cx)
 491                })
 492                .log_err()
 493            };
 494
 495            let Some(result) = result else {
 496                return;
 497            };
 498
 499            let result = match result.await {
 500                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 501                    Ok(err) => {
 502                        cx.update(|window, cx| {
 503                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 504                        })
 505                        .log_err();
 506                        return;
 507                    }
 508                    Err(err) => Err(err),
 509                },
 510                Ok(thread) => Ok(thread),
 511            };
 512
 513            this.update_in(cx, |this, window, cx| {
 514                match result {
 515                    Ok(thread) => {
 516                        let action_log = thread.read(cx).action_log().clone();
 517
 518                        let mut available_commands = thread.read(cx).available_commands();
 519
 520                        if connection
 521                            .auth_methods()
 522                            .iter()
 523                            .any(|method| method.id.0.as_ref() == "claude-login")
 524                        {
 525                            available_commands.push(acp::AvailableCommand {
 526                                name: "login".to_owned(),
 527                                description: "Authenticate".to_owned(),
 528                                input: None,
 529                            });
 530                            available_commands.push(acp::AvailableCommand {
 531                                name: "logout".to_owned(),
 532                                description: "Authenticate".to_owned(),
 533                                input: None,
 534                            });
 535                        }
 536                        this.available_commands.replace(available_commands);
 537
 538                        this.prompt_capabilities
 539                            .set(thread.read(cx).prompt_capabilities());
 540
 541                        let count = thread.read(cx).entries().len();
 542                        this.entry_view_state.update(cx, |view_state, cx| {
 543                            for ix in 0..count {
 544                                view_state.sync_entry(ix, &thread, window, cx);
 545                            }
 546                            this.list_state.splice_focusable(
 547                                0..0,
 548                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 549                            );
 550                        });
 551
 552                        if let Some(resume) = resume_thread {
 553                            this.history_store.update(cx, |history, cx| {
 554                                history.push_recently_opened_entry(
 555                                    HistoryEntryId::AcpThread(resume.id),
 556                                    cx,
 557                                );
 558                            });
 559                        }
 560
 561                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 562
 563                        this.model_selector =
 564                            thread
 565                                .read(cx)
 566                                .connection()
 567                                .model_selector()
 568                                .map(|selector| {
 569                                    cx.new(|cx| {
 570                                        AcpModelSelectorPopover::new(
 571                                            thread.read(cx).session_id().clone(),
 572                                            selector,
 573                                            PopoverMenuHandle::default(),
 574                                            this.focus_handle(cx),
 575                                            window,
 576                                            cx,
 577                                        )
 578                                    })
 579                                });
 580
 581                        let mut subscriptions = vec![
 582                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 583                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 584                        ];
 585
 586                        let title_editor =
 587                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 588                                let editor = cx.new(|cx| {
 589                                    let mut editor = Editor::single_line(window, cx);
 590                                    editor.set_text(thread.read(cx).title(), window, cx);
 591                                    editor
 592                                });
 593                                subscriptions.push(cx.subscribe_in(
 594                                    &editor,
 595                                    window,
 596                                    Self::handle_title_editor_event,
 597                                ));
 598                                Some(editor)
 599                            } else {
 600                                None
 601                            };
 602                        this.thread_state = ThreadState::Ready {
 603                            thread,
 604                            title_editor,
 605                            _subscriptions: subscriptions,
 606                        };
 607                        this.message_editor.focus_handle(cx).focus(window);
 608
 609                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 610                            cx.new(|cx| {
 611                                ProfileSelector::new(
 612                                    <dyn Fs>::global(cx),
 613                                    Arc::new(thread.clone()),
 614                                    this.focus_handle(cx),
 615                                    cx,
 616                                )
 617                            })
 618                        });
 619
 620                        cx.notify();
 621                    }
 622                    Err(err) => {
 623                        this.handle_load_error(err, window, cx);
 624                    }
 625                };
 626            })
 627            .log_err();
 628        });
 629
 630        let loading_view = cx.new(|cx| {
 631            let update_title_task = cx.spawn(async move |this, cx| {
 632                loop {
 633                    let status = rx.recv().await?;
 634                    this.update(cx, |this: &mut LoadingView, cx| {
 635                        this.title = status;
 636                        cx.notify();
 637                    })?;
 638                }
 639            });
 640
 641            LoadingView {
 642                title: "Loading…".into(),
 643                _load_task: load_task,
 644                _update_title_task: update_title_task,
 645            }
 646        });
 647
 648        ThreadState::Loading(loading_view)
 649    }
 650
 651    fn handle_auth_required(
 652        this: WeakEntity<Self>,
 653        err: AuthRequired,
 654        agent: Rc<dyn AgentServer>,
 655        connection: Rc<dyn AgentConnection>,
 656        window: &mut Window,
 657        cx: &mut App,
 658    ) {
 659        let agent_name = agent.name();
 660        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 661            let registry = LanguageModelRegistry::global(cx);
 662
 663            let sub = window.subscribe(&registry, cx, {
 664                let provider_id = provider_id.clone();
 665                let this = this.clone();
 666                move |_, ev, window, cx| {
 667                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 668                        && &provider_id == updated_provider_id
 669                    {
 670                        this.update(cx, |this, cx| {
 671                            this.thread_state = Self::initial_state(
 672                                agent.clone(),
 673                                None,
 674                                this.workspace.clone(),
 675                                this.project.clone(),
 676                                window,
 677                                cx,
 678                            );
 679                            cx.notify();
 680                        })
 681                        .ok();
 682                    }
 683                }
 684            });
 685
 686            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 687                provider.configuration_view(
 688                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 689                    window,
 690                    cx,
 691                )
 692            });
 693
 694            (view, Some(sub))
 695        } else {
 696            (None, None)
 697        };
 698
 699        this.update(cx, |this, cx| {
 700            this.thread_state = ThreadState::Unauthenticated {
 701                pending_auth_method: None,
 702                connection,
 703                configuration_view,
 704                description: err
 705                    .description
 706                    .clone()
 707                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 708                _subscription: subscription,
 709            };
 710            if this.message_editor.focus_handle(cx).is_focused(window) {
 711                this.focus_handle.focus(window)
 712            }
 713            cx.notify();
 714        })
 715        .ok();
 716    }
 717
 718    fn handle_load_error(
 719        &mut self,
 720        err: anyhow::Error,
 721        window: &mut Window,
 722        cx: &mut Context<Self>,
 723    ) {
 724        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 725            self.thread_state = ThreadState::LoadError(load_err.clone());
 726        } else {
 727            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 728        }
 729        if self.message_editor.focus_handle(cx).is_focused(window) {
 730            self.focus_handle.focus(window)
 731        }
 732        cx.notify();
 733    }
 734
 735    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 736        &self.workspace
 737    }
 738
 739    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 740        match &self.thread_state {
 741            ThreadState::Ready { thread, .. } => Some(thread),
 742            ThreadState::Unauthenticated { .. }
 743            | ThreadState::Loading { .. }
 744            | ThreadState::LoadError { .. } => None,
 745        }
 746    }
 747
 748    pub fn title(&self, cx: &App) -> SharedString {
 749        match &self.thread_state {
 750            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 751            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 752            ThreadState::LoadError(error) => match error {
 753                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 754                LoadError::FailedToInstall(_) => {
 755                    format!("Failed to Install {}", self.agent.name()).into()
 756                }
 757                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 758                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 759            },
 760        }
 761    }
 762
 763    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 764        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 765            title_editor.clone()
 766        } else {
 767            None
 768        }
 769    }
 770
 771    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 772        self.thread_error.take();
 773        self.thread_retry_status.take();
 774
 775        if let Some(thread) = self.thread() {
 776            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 777        }
 778    }
 779
 780    pub fn expand_message_editor(
 781        &mut self,
 782        _: &ExpandMessageEditor,
 783        _window: &mut Window,
 784        cx: &mut Context<Self>,
 785    ) {
 786        self.set_editor_is_expanded(!self.editor_expanded, cx);
 787        cx.notify();
 788    }
 789
 790    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 791        self.editor_expanded = is_expanded;
 792        self.message_editor.update(cx, |editor, cx| {
 793            if is_expanded {
 794                editor.set_mode(
 795                    EditorMode::Full {
 796                        scale_ui_elements_with_buffer_font_size: false,
 797                        show_active_line_background: false,
 798                        sized_by_content: false,
 799                    },
 800                    cx,
 801                )
 802            } else {
 803                editor.set_mode(
 804                    EditorMode::AutoHeight {
 805                        min_lines: MIN_EDITOR_LINES,
 806                        max_lines: Some(MAX_EDITOR_LINES),
 807                    },
 808                    cx,
 809                )
 810            }
 811        });
 812        cx.notify();
 813    }
 814
 815    pub fn handle_title_editor_event(
 816        &mut self,
 817        title_editor: &Entity<Editor>,
 818        event: &EditorEvent,
 819        window: &mut Window,
 820        cx: &mut Context<Self>,
 821    ) {
 822        let Some(thread) = self.thread() else { return };
 823
 824        match event {
 825            EditorEvent::BufferEdited => {
 826                let new_title = title_editor.read(cx).text(cx);
 827                thread.update(cx, |thread, cx| {
 828                    thread
 829                        .set_title(new_title.into(), cx)
 830                        .detach_and_log_err(cx);
 831                })
 832            }
 833            EditorEvent::Blurred => {
 834                if title_editor.read(cx).text(cx).is_empty() {
 835                    title_editor.update(cx, |editor, cx| {
 836                        editor.set_text("New Thread", window, cx);
 837                    });
 838                }
 839            }
 840            _ => {}
 841        }
 842    }
 843
 844    pub fn handle_message_editor_event(
 845        &mut self,
 846        _: &Entity<MessageEditor>,
 847        event: &MessageEditorEvent,
 848        window: &mut Window,
 849        cx: &mut Context<Self>,
 850    ) {
 851        match event {
 852            MessageEditorEvent::Send => self.send(window, cx),
 853            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 854            MessageEditorEvent::Focus => {
 855                self.cancel_editing(&Default::default(), window, cx);
 856            }
 857            MessageEditorEvent::LostFocus => {}
 858        }
 859    }
 860
 861    pub fn handle_entry_view_event(
 862        &mut self,
 863        _: &Entity<EntryViewState>,
 864        event: &EntryViewEvent,
 865        window: &mut Window,
 866        cx: &mut Context<Self>,
 867    ) {
 868        match &event.view_event {
 869            ViewEvent::NewDiff(tool_call_id) => {
 870                if AgentSettings::get_global(cx).expand_edit_card {
 871                    self.expanded_tool_calls.insert(tool_call_id.clone());
 872                }
 873            }
 874            ViewEvent::NewTerminal(tool_call_id) => {
 875                if AgentSettings::get_global(cx).expand_terminal_card {
 876                    self.expanded_tool_calls.insert(tool_call_id.clone());
 877                }
 878            }
 879            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 880                self.expanded_tool_calls.remove(tool_call_id);
 881            }
 882            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 883                if let Some(thread) = self.thread()
 884                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 885                        thread.read(cx).entries().get(event.entry_index)
 886                    && user_message.id.is_some()
 887                {
 888                    self.editing_message = Some(event.entry_index);
 889                    cx.notify();
 890                }
 891            }
 892            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 893                if let Some(thread) = self.thread()
 894                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 895                        thread.read(cx).entries().get(event.entry_index)
 896                    && user_message.id.is_some()
 897                {
 898                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 899                        self.editing_message = None;
 900                        cx.notify();
 901                    }
 902                }
 903            }
 904            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 905                self.regenerate(event.entry_index, editor, window, cx);
 906            }
 907            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 908                self.cancel_editing(&Default::default(), window, cx);
 909            }
 910        }
 911    }
 912
 913    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 914        self.thread_error.take();
 915        let Some(thread) = self.thread() else {
 916            return;
 917        };
 918        if !thread.read(cx).can_resume(cx) {
 919            return;
 920        }
 921
 922        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 923        cx.spawn(async move |this, cx| {
 924            let result = task.await;
 925
 926            this.update(cx, |this, cx| {
 927                if let Err(err) = result {
 928                    this.handle_thread_error(err, cx);
 929                }
 930            })
 931        })
 932        .detach();
 933    }
 934
 935    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 936        let Some(thread) = self.thread() else { return };
 937
 938        if self.is_loading_contents {
 939            return;
 940        }
 941
 942        self.history_store.update(cx, |history, cx| {
 943            history.push_recently_opened_entry(
 944                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 945                cx,
 946            );
 947        });
 948
 949        if thread.read(cx).status() != ThreadStatus::Idle {
 950            self.stop_current_and_send_new_message(window, cx);
 951            return;
 952        }
 953
 954        let text = self.message_editor.read(cx).text(cx);
 955        let text = text.trim();
 956        if text == "/login" || text == "/logout" {
 957            let ThreadState::Ready { thread, .. } = &self.thread_state else {
 958                return;
 959            };
 960
 961            let connection = thread.read(cx).connection().clone();
 962            if !connection
 963                .auth_methods()
 964                .iter()
 965                .any(|method| method.id.0.as_ref() == "claude-login")
 966            {
 967                return;
 968            };
 969            let this = cx.weak_entity();
 970            let agent = self.agent.clone();
 971            window.defer(cx, |window, cx| {
 972                Self::handle_auth_required(
 973                    this,
 974                    AuthRequired {
 975                        description: None,
 976                        provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
 977                    },
 978                    agent,
 979                    connection,
 980                    window,
 981                    cx,
 982                );
 983            });
 984            cx.notify();
 985            return;
 986        }
 987
 988        let contents = self
 989            .message_editor
 990            .update(cx, |message_editor, cx| message_editor.contents(cx));
 991        self.send_impl(contents, window, cx)
 992    }
 993
 994    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 995        let Some(thread) = self.thread().cloned() else {
 996            return;
 997        };
 998
 999        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1000
1001        let contents = self
1002            .message_editor
1003            .update(cx, |message_editor, cx| message_editor.contents(cx));
1004
1005        cx.spawn_in(window, async move |this, cx| {
1006            cancelled.await;
1007
1008            this.update_in(cx, |this, window, cx| {
1009                this.send_impl(contents, window, cx);
1010            })
1011            .ok();
1012        })
1013        .detach();
1014    }
1015
1016    fn send_impl(
1017        &mut self,
1018        contents: Task<Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
1019        window: &mut Window,
1020        cx: &mut Context<Self>,
1021    ) {
1022        let agent_telemetry_id = self.agent.telemetry_id();
1023
1024        self.thread_error.take();
1025        self.editing_message.take();
1026        self.thread_feedback.clear();
1027
1028        let Some(thread) = self.thread() else {
1029            return;
1030        };
1031        let thread = thread.downgrade();
1032        if self.should_be_following {
1033            self.workspace
1034                .update(cx, |workspace, cx| {
1035                    workspace.follow(CollaboratorId::Agent, window, cx);
1036                })
1037                .ok();
1038        }
1039
1040        self.is_loading_contents = true;
1041        let guard = cx.new(|_| ());
1042        cx.observe_release(&guard, |this, _guard, cx| {
1043            this.is_loading_contents = false;
1044            cx.notify();
1045        })
1046        .detach();
1047
1048        let task = cx.spawn_in(window, async move |this, cx| {
1049            let (contents, tracked_buffers) = contents.await?;
1050
1051            if contents.is_empty() {
1052                return Ok(());
1053            }
1054
1055            this.update_in(cx, |this, window, cx| {
1056                this.set_editor_is_expanded(false, cx);
1057                this.scroll_to_bottom(cx);
1058                this.message_editor.update(cx, |message_editor, cx| {
1059                    message_editor.clear(window, cx);
1060                });
1061            })?;
1062            let send = thread.update(cx, |thread, cx| {
1063                thread.action_log().update(cx, |action_log, cx| {
1064                    for buffer in tracked_buffers {
1065                        action_log.buffer_read(buffer, cx)
1066                    }
1067                });
1068                drop(guard);
1069
1070                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1071
1072                thread.send(contents, cx)
1073            })?;
1074            send.await
1075        });
1076
1077        cx.spawn(async move |this, cx| {
1078            if let Err(err) = task.await {
1079                this.update(cx, |this, cx| {
1080                    this.handle_thread_error(err, cx);
1081                })
1082                .ok();
1083            } else {
1084                this.update(cx, |this, cx| {
1085                    this.should_be_following = this
1086                        .workspace
1087                        .update(cx, |workspace, _| {
1088                            workspace.is_being_followed(CollaboratorId::Agent)
1089                        })
1090                        .unwrap_or_default();
1091                })
1092                .ok();
1093            }
1094        })
1095        .detach();
1096    }
1097
1098    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1099        let Some(thread) = self.thread().cloned() else {
1100            return;
1101        };
1102
1103        if let Some(index) = self.editing_message.take()
1104            && let Some(editor) = self
1105                .entry_view_state
1106                .read(cx)
1107                .entry(index)
1108                .and_then(|e| e.message_editor())
1109                .cloned()
1110        {
1111            editor.update(cx, |editor, cx| {
1112                if let Some(user_message) = thread
1113                    .read(cx)
1114                    .entries()
1115                    .get(index)
1116                    .and_then(|e| e.user_message())
1117                {
1118                    editor.set_message(user_message.chunks.clone(), window, cx);
1119                }
1120            })
1121        };
1122        self.focus_handle(cx).focus(window);
1123        cx.notify();
1124    }
1125
1126    fn regenerate(
1127        &mut self,
1128        entry_ix: usize,
1129        message_editor: &Entity<MessageEditor>,
1130        window: &mut Window,
1131        cx: &mut Context<Self>,
1132    ) {
1133        let Some(thread) = self.thread().cloned() else {
1134            return;
1135        };
1136        if self.is_loading_contents {
1137            return;
1138        }
1139
1140        let Some(user_message_id) = thread.update(cx, |thread, _| {
1141            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1142        }) else {
1143            return;
1144        };
1145
1146        let contents = message_editor.update(cx, |message_editor, cx| message_editor.contents(cx));
1147
1148        let task = cx.spawn(async move |_, cx| {
1149            let contents = contents.await?;
1150            thread
1151                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1152                .await?;
1153            Ok(contents)
1154        });
1155        self.send_impl(task, window, cx);
1156    }
1157
1158    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
1159        if let Some(thread) = self.thread() {
1160            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
1161        }
1162    }
1163
1164    fn open_edited_buffer(
1165        &mut self,
1166        buffer: &Entity<Buffer>,
1167        window: &mut Window,
1168        cx: &mut Context<Self>,
1169    ) {
1170        let Some(thread) = self.thread() else {
1171            return;
1172        };
1173
1174        let Some(diff) =
1175            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1176        else {
1177            return;
1178        };
1179
1180        diff.update(cx, |diff, cx| {
1181            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1182        })
1183    }
1184
1185    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1186        let Some(thread) = self.as_native_thread(cx) else {
1187            return;
1188        };
1189        let project_context = thread.read(cx).project_context().read(cx);
1190
1191        let project_entry_ids = project_context
1192            .worktrees
1193            .iter()
1194            .flat_map(|worktree| worktree.rules_file.as_ref())
1195            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1196            .collect::<Vec<_>>();
1197
1198        self.workspace
1199            .update(cx, move |workspace, cx| {
1200                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1201                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1202                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1203                let project = workspace.project().read(cx);
1204                let project_paths = project_entry_ids
1205                    .into_iter()
1206                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1207                    .collect::<Vec<_>>();
1208                for project_path in project_paths {
1209                    workspace
1210                        .open_path(project_path, None, true, window, cx)
1211                        .detach_and_log_err(cx);
1212                }
1213            })
1214            .ok();
1215    }
1216
1217    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1218        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1219        cx.notify();
1220    }
1221
1222    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1223        self.thread_error = None;
1224        cx.notify();
1225    }
1226
1227    fn handle_thread_event(
1228        &mut self,
1229        thread: &Entity<AcpThread>,
1230        event: &AcpThreadEvent,
1231        window: &mut Window,
1232        cx: &mut Context<Self>,
1233    ) {
1234        match event {
1235            AcpThreadEvent::NewEntry => {
1236                let len = thread.read(cx).entries().len();
1237                let index = len - 1;
1238                self.entry_view_state.update(cx, |view_state, cx| {
1239                    view_state.sync_entry(index, thread, window, cx);
1240                    self.list_state.splice_focusable(
1241                        index..index,
1242                        [view_state
1243                            .entry(index)
1244                            .and_then(|entry| entry.focus_handle(cx))],
1245                    );
1246                });
1247            }
1248            AcpThreadEvent::EntryUpdated(index) => {
1249                self.entry_view_state.update(cx, |view_state, cx| {
1250                    view_state.sync_entry(*index, thread, window, cx)
1251                });
1252            }
1253            AcpThreadEvent::EntriesRemoved(range) => {
1254                self.entry_view_state
1255                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1256                self.list_state.splice(range.clone(), 0);
1257            }
1258            AcpThreadEvent::ToolAuthorizationRequired => {
1259                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1260            }
1261            AcpThreadEvent::Retry(retry) => {
1262                self.thread_retry_status = Some(retry.clone());
1263            }
1264            AcpThreadEvent::Stopped => {
1265                self.thread_retry_status.take();
1266                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1267                self.notify_with_sound(
1268                    if used_tools {
1269                        "Finished running tools"
1270                    } else {
1271                        "New message"
1272                    },
1273                    IconName::ZedAssistant,
1274                    window,
1275                    cx,
1276                );
1277            }
1278            AcpThreadEvent::Refusal => {
1279                self.thread_retry_status.take();
1280                self.thread_error = Some(ThreadError::Refusal);
1281                let model_or_agent_name = self.get_current_model_name(cx);
1282                let notification_message =
1283                    format!("{} refused to respond to this request", model_or_agent_name);
1284                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1285            }
1286            AcpThreadEvent::Error => {
1287                self.thread_retry_status.take();
1288                self.notify_with_sound(
1289                    "Agent stopped due to an error",
1290                    IconName::Warning,
1291                    window,
1292                    cx,
1293                );
1294            }
1295            AcpThreadEvent::LoadError(error) => {
1296                self.thread_retry_status.take();
1297                self.thread_state = ThreadState::LoadError(error.clone());
1298                if self.message_editor.focus_handle(cx).is_focused(window) {
1299                    self.focus_handle.focus(window)
1300                }
1301            }
1302            AcpThreadEvent::TitleUpdated => {
1303                let title = thread.read(cx).title();
1304                if let Some(title_editor) = self.title_editor() {
1305                    title_editor.update(cx, |editor, cx| {
1306                        if editor.text(cx) != title {
1307                            editor.set_text(title, window, cx);
1308                        }
1309                    });
1310                }
1311            }
1312            AcpThreadEvent::PromptCapabilitiesUpdated => {
1313                self.prompt_capabilities
1314                    .set(thread.read(cx).prompt_capabilities());
1315            }
1316            AcpThreadEvent::TokenUsageUpdated => {}
1317        }
1318        cx.notify();
1319    }
1320
1321    fn authenticate(
1322        &mut self,
1323        method: acp::AuthMethodId,
1324        window: &mut Window,
1325        cx: &mut Context<Self>,
1326    ) {
1327        let ThreadState::Unauthenticated {
1328            connection,
1329            pending_auth_method,
1330            configuration_view,
1331            ..
1332        } = &mut self.thread_state
1333        else {
1334            return;
1335        };
1336
1337        if method.0.as_ref() == "gemini-api-key" {
1338            let registry = LanguageModelRegistry::global(cx);
1339            let provider = registry
1340                .read(cx)
1341                .provider(&language_model::GOOGLE_PROVIDER_ID)
1342                .unwrap();
1343            if !provider.is_authenticated(cx) {
1344                let this = cx.weak_entity();
1345                let agent = self.agent.clone();
1346                let connection = connection.clone();
1347                window.defer(cx, |window, cx| {
1348                    Self::handle_auth_required(
1349                        this,
1350                        AuthRequired {
1351                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1352                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1353                        },
1354                        agent,
1355                        connection,
1356                        window,
1357                        cx,
1358                    );
1359                });
1360                return;
1361            }
1362        } else if method.0.as_ref() == "anthropic-api-key" {
1363            let registry = LanguageModelRegistry::global(cx);
1364            let provider = registry
1365                .read(cx)
1366                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1367                .unwrap();
1368            if !provider.is_authenticated(cx) {
1369                let this = cx.weak_entity();
1370                let agent = self.agent.clone();
1371                let connection = connection.clone();
1372                window.defer(cx, |window, cx| {
1373                    Self::handle_auth_required(
1374                        this,
1375                        AuthRequired {
1376                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1377                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1378                        },
1379                        agent,
1380                        connection,
1381                        window,
1382                        cx,
1383                    );
1384                });
1385                return;
1386            }
1387        } else if method.0.as_ref() == "vertex-ai"
1388            && std::env::var("GOOGLE_API_KEY").is_err()
1389            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1390                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1391        {
1392            let this = cx.weak_entity();
1393            let agent = self.agent.clone();
1394            let connection = connection.clone();
1395
1396            window.defer(cx, |window, cx| {
1397                    Self::handle_auth_required(
1398                        this,
1399                        AuthRequired {
1400                            description: Some(
1401                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1402                                    .to_owned(),
1403                            ),
1404                            provider_id: None,
1405                        },
1406                        agent,
1407                        connection,
1408                        window,
1409                        cx,
1410                    )
1411                });
1412            return;
1413        }
1414
1415        self.thread_error.take();
1416        configuration_view.take();
1417        pending_auth_method.replace(method.clone());
1418        let authenticate = if method.0.as_ref() == "claude-login" {
1419            if let Some(workspace) = self.workspace.upgrade() {
1420                Self::spawn_claude_login(&workspace, window, cx)
1421            } else {
1422                Task::ready(Ok(()))
1423            }
1424        } else {
1425            connection.authenticate(method, cx)
1426        };
1427        cx.notify();
1428        self.auth_task =
1429            Some(cx.spawn_in(window, {
1430                let project = self.project.clone();
1431                let agent = self.agent.clone();
1432                async move |this, cx| {
1433                    let result = authenticate.await;
1434
1435                    match &result {
1436                        Ok(_) => telemetry::event!(
1437                            "Authenticate Agent Succeeded",
1438                            agent = agent.telemetry_id()
1439                        ),
1440                        Err(_) => {
1441                            telemetry::event!(
1442                                "Authenticate Agent Failed",
1443                                agent = agent.telemetry_id(),
1444                            )
1445                        }
1446                    }
1447
1448                    this.update_in(cx, |this, window, cx| {
1449                        if let Err(err) = result {
1450                            if let ThreadState::Unauthenticated {
1451                                pending_auth_method,
1452                                ..
1453                            } = &mut this.thread_state
1454                            {
1455                                pending_auth_method.take();
1456                            }
1457                            this.handle_thread_error(err, cx);
1458                        } else {
1459                            this.thread_state = Self::initial_state(
1460                                agent,
1461                                None,
1462                                this.workspace.clone(),
1463                                project.clone(),
1464                                window,
1465                                cx,
1466                            )
1467                        }
1468                        this.auth_task.take()
1469                    })
1470                    .ok();
1471                }
1472            }));
1473    }
1474
1475    fn spawn_claude_login(
1476        workspace: &Entity<Workspace>,
1477        window: &mut Window,
1478        cx: &mut App,
1479    ) -> Task<Result<()>> {
1480        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1481            return Task::ready(Ok(()));
1482        };
1483        let project_entity = workspace.read(cx).project();
1484        let project = project_entity.read(cx);
1485        let cwd = project.first_project_directory(cx);
1486        let shell = project.terminal_settings(&cwd, cx).shell.clone();
1487
1488        let delegate = AgentServerDelegate::new(project_entity.clone(), None);
1489        let command = ClaudeCode::login_command(delegate, cx);
1490
1491        window.spawn(cx, async move |cx| {
1492            let login_command = command.await?;
1493            let command = login_command
1494                .path
1495                .to_str()
1496                .with_context(|| format!("invalid login command: {:?}", login_command.path))?;
1497            let command = shlex::try_quote(command)?;
1498            let args = login_command
1499                .arguments
1500                .iter()
1501                .map(|arg| {
1502                    Ok(shlex::try_quote(arg)
1503                        .context("Failed to quote argument")?
1504                        .to_string())
1505                })
1506                .collect::<Result<Vec<_>>>()?;
1507
1508            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1509                terminal_panel.spawn_task(
1510                    &SpawnInTerminal {
1511                        id: task::TaskId("claude-login".into()),
1512                        full_label: "claude /login".to_owned(),
1513                        label: "claude /login".to_owned(),
1514                        command: Some(command.into()),
1515                        args,
1516                        command_label: "claude /login".to_owned(),
1517                        cwd,
1518                        use_new_terminal: true,
1519                        allow_concurrent_runs: true,
1520                        hide: task::HideStrategy::Always,
1521                        shell,
1522                        ..Default::default()
1523                    },
1524                    window,
1525                    cx,
1526                )
1527            })?;
1528
1529            let terminal = terminal.await?;
1530            let mut exit_status = terminal
1531                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1532                .fuse();
1533
1534            let logged_in = cx
1535                .spawn({
1536                    let terminal = terminal.clone();
1537                    async move |cx| {
1538                        loop {
1539                            cx.background_executor().timer(Duration::from_secs(1)).await;
1540                            let content =
1541                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1542                            if content.contains("Login successful") {
1543                                return anyhow::Ok(());
1544                            }
1545                        }
1546                    }
1547                })
1548                .fuse();
1549            futures::pin_mut!(logged_in);
1550            futures::select_biased! {
1551                result = logged_in => {
1552                    if let Err(e) = result {
1553                        log::error!("{e}");
1554                        return Err(anyhow!("exited before logging in"));
1555                    }
1556                }
1557                _ = exit_status => {
1558                    return Err(anyhow!("exited before logging in"));
1559                }
1560            }
1561            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1562            Ok(())
1563        })
1564    }
1565
1566    fn authorize_tool_call(
1567        &mut self,
1568        tool_call_id: acp::ToolCallId,
1569        option_id: acp::PermissionOptionId,
1570        option_kind: acp::PermissionOptionKind,
1571        window: &mut Window,
1572        cx: &mut Context<Self>,
1573    ) {
1574        let Some(thread) = self.thread() else {
1575            return;
1576        };
1577        thread.update(cx, |thread, cx| {
1578            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1579        });
1580        if self.should_be_following {
1581            self.workspace
1582                .update(cx, |workspace, cx| {
1583                    workspace.follow(CollaboratorId::Agent, window, cx);
1584                })
1585                .ok();
1586        }
1587        cx.notify();
1588    }
1589
1590    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1591        let Some(thread) = self.thread() else {
1592            return;
1593        };
1594        thread
1595            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1596            .detach_and_log_err(cx);
1597        cx.notify();
1598    }
1599
1600    fn render_entry(
1601        &self,
1602        entry_ix: usize,
1603        total_entries: usize,
1604        entry: &AgentThreadEntry,
1605        window: &mut Window,
1606        cx: &Context<Self>,
1607    ) -> AnyElement {
1608        let primary = match &entry {
1609            AgentThreadEntry::UserMessage(message) => {
1610                let Some(editor) = self
1611                    .entry_view_state
1612                    .read(cx)
1613                    .entry(entry_ix)
1614                    .and_then(|entry| entry.message_editor())
1615                    .cloned()
1616                else {
1617                    return Empty.into_any_element();
1618                };
1619
1620                let editing = self.editing_message == Some(entry_ix);
1621                let editor_focus = editor.focus_handle(cx).is_focused(window);
1622                let focus_border = cx.theme().colors().border_focused;
1623
1624                let rules_item = if entry_ix == 0 {
1625                    self.render_rules_item(cx)
1626                } else {
1627                    None
1628                };
1629
1630                let has_checkpoint_button = message
1631                    .checkpoint
1632                    .as_ref()
1633                    .is_some_and(|checkpoint| checkpoint.show);
1634
1635                let agent_name = self.agent.name();
1636
1637                v_flex()
1638                    .id(("user_message", entry_ix))
1639                    .map(|this| {
1640                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1641                            this.pt(rems_from_px(18.))
1642                        } else if rules_item.is_some() {
1643                            this.pt_3()
1644                        } else {
1645                            this.pt_2()
1646                        }
1647                    })
1648                    .pb_3()
1649                    .px_2()
1650                    .gap_1p5()
1651                    .w_full()
1652                    .children(rules_item)
1653                    .children(message.id.clone().and_then(|message_id| {
1654                        message.checkpoint.as_ref()?.show.then(|| {
1655                            h_flex()
1656                                .px_3()
1657                                .gap_2()
1658                                .child(Divider::horizontal())
1659                                .child(
1660                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1661                                        .icon(IconName::Undo)
1662                                        .icon_size(IconSize::XSmall)
1663                                        .icon_position(IconPosition::Start)
1664                                        .label_size(LabelSize::XSmall)
1665                                        .icon_color(Color::Muted)
1666                                        .color(Color::Muted)
1667                                        .on_click(cx.listener(move |this, _, _window, cx| {
1668                                            this.rewind(&message_id, cx);
1669                                        }))
1670                                )
1671                                .child(Divider::horizontal())
1672                        })
1673                    }))
1674                    .child(
1675                        div()
1676                            .relative()
1677                            .child(
1678                                div()
1679                                    .py_3()
1680                                    .px_2()
1681                                    .rounded_md()
1682                                    .shadow_md()
1683                                    .bg(cx.theme().colors().editor_background)
1684                                    .border_1()
1685                                    .when(editing && !editor_focus, |this| this.border_dashed())
1686                                    .border_color(cx.theme().colors().border)
1687                                    .map(|this|{
1688                                        if editing && editor_focus {
1689                                            this.border_color(focus_border)
1690                                        } else if message.id.is_some() {
1691                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1692                                        } else {
1693                                            this
1694                                        }
1695                                    })
1696                                    .text_xs()
1697                                    .child(editor.clone().into_any_element()),
1698                            )
1699                            .when(editor_focus, |this| {
1700                                let base_container = h_flex()
1701                                    .absolute()
1702                                    .top_neg_3p5()
1703                                    .right_3()
1704                                    .gap_1()
1705                                    .rounded_sm()
1706                                    .border_1()
1707                                    .border_color(cx.theme().colors().border)
1708                                    .bg(cx.theme().colors().editor_background)
1709                                    .overflow_hidden();
1710
1711                                if message.id.is_some() {
1712                                    this.child(
1713                                        base_container
1714                                            .child(
1715                                                IconButton::new("cancel", IconName::Close)
1716                                                    .disabled(self.is_loading_contents)
1717                                                    .icon_color(Color::Error)
1718                                                    .icon_size(IconSize::XSmall)
1719                                                    .on_click(cx.listener(Self::cancel_editing))
1720                                            )
1721                                            .child(
1722                                                if self.is_loading_contents {
1723                                                    div()
1724                                                        .id("loading-edited-message-content")
1725                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1726                                                        .child(loading_contents_spinner(IconSize::XSmall))
1727                                                        .into_any_element()
1728                                                } else {
1729                                                    IconButton::new("regenerate", IconName::Return)
1730                                                        .icon_color(Color::Muted)
1731                                                        .icon_size(IconSize::XSmall)
1732                                                        .tooltip(Tooltip::text(
1733                                                            "Editing will restart the thread from this point."
1734                                                        ))
1735                                                        .on_click(cx.listener({
1736                                                            let editor = editor.clone();
1737                                                            move |this, _, window, cx| {
1738                                                                this.regenerate(
1739                                                                    entry_ix, &editor, window, cx,
1740                                                                );
1741                                                            }
1742                                                        })).into_any_element()
1743                                                }
1744                                            )
1745                                    )
1746                                } else {
1747                                    this.child(
1748                                        base_container
1749                                            .border_dashed()
1750                                            .child(
1751                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1752                                                    .icon_size(IconSize::Small)
1753                                                    .icon_color(Color::Muted)
1754                                                    .style(ButtonStyle::Transparent)
1755                                                    .tooltip(move |_window, cx| {
1756                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1757                                                            .into()
1758                                                    })
1759                                            )
1760                                    )
1761                                }
1762                            }),
1763                    )
1764                    .into_any()
1765            }
1766            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1767                let is_last = entry_ix + 1 == total_entries;
1768
1769                let style = default_markdown_style(false, false, window, cx);
1770                let message_body = v_flex()
1771                    .w_full()
1772                    .gap_3()
1773                    .children(chunks.iter().enumerate().filter_map(
1774                        |(chunk_ix, chunk)| match chunk {
1775                            AssistantMessageChunk::Message { block } => {
1776                                block.markdown().map(|md| {
1777                                    self.render_markdown(md.clone(), style.clone())
1778                                        .into_any_element()
1779                                })
1780                            }
1781                            AssistantMessageChunk::Thought { block } => {
1782                                block.markdown().map(|md| {
1783                                    self.render_thinking_block(
1784                                        entry_ix,
1785                                        chunk_ix,
1786                                        md.clone(),
1787                                        window,
1788                                        cx,
1789                                    )
1790                                    .into_any_element()
1791                                })
1792                            }
1793                        },
1794                    ))
1795                    .into_any();
1796
1797                v_flex()
1798                    .px_5()
1799                    .py_1p5()
1800                    .when(is_last, |this| this.pb_4())
1801                    .w_full()
1802                    .text_ui(cx)
1803                    .child(message_body)
1804                    .into_any()
1805            }
1806            AgentThreadEntry::ToolCall(tool_call) => {
1807                let has_terminals = tool_call.terminals().next().is_some();
1808
1809                div().w_full().map(|this| {
1810                    if has_terminals {
1811                        this.children(tool_call.terminals().map(|terminal| {
1812                            self.render_terminal_tool_call(
1813                                entry_ix, terminal, tool_call, window, cx,
1814                            )
1815                        }))
1816                    } else {
1817                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1818                    }
1819                })
1820            }
1821            .into_any(),
1822        };
1823
1824        let Some(thread) = self.thread() else {
1825            return primary;
1826        };
1827
1828        let primary = if entry_ix == total_entries - 1 {
1829            v_flex()
1830                .w_full()
1831                .child(primary)
1832                .child(self.render_thread_controls(&thread, cx))
1833                .when_some(
1834                    self.thread_feedback.comments_editor.clone(),
1835                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1836                )
1837                .into_any_element()
1838        } else {
1839            primary
1840        };
1841
1842        if let Some(editing_index) = self.editing_message.as_ref()
1843            && *editing_index < entry_ix
1844        {
1845            let backdrop = div()
1846                .id(("backdrop", entry_ix))
1847                .size_full()
1848                .absolute()
1849                .inset_0()
1850                .bg(cx.theme().colors().panel_background)
1851                .opacity(0.8)
1852                .block_mouse_except_scroll()
1853                .on_click(cx.listener(Self::cancel_editing));
1854
1855            div()
1856                .relative()
1857                .child(primary)
1858                .child(backdrop)
1859                .into_any_element()
1860        } else {
1861            primary
1862        }
1863    }
1864
1865    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1866        cx.theme()
1867            .colors()
1868            .element_background
1869            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1870    }
1871
1872    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1873        cx.theme().colors().border.opacity(0.8)
1874    }
1875
1876    fn tool_name_font_size(&self) -> Rems {
1877        rems_from_px(13.)
1878    }
1879
1880    fn render_thinking_block(
1881        &self,
1882        entry_ix: usize,
1883        chunk_ix: usize,
1884        chunk: Entity<Markdown>,
1885        window: &Window,
1886        cx: &Context<Self>,
1887    ) -> AnyElement {
1888        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1889        let card_header_id = SharedString::from("inner-card-header");
1890
1891        let key = (entry_ix, chunk_ix);
1892
1893        let is_open = self.expanded_thinking_blocks.contains(&key);
1894
1895        let scroll_handle = self
1896            .entry_view_state
1897            .read(cx)
1898            .entry(entry_ix)
1899            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
1900
1901        let thinking_content = {
1902            div()
1903                .id(("thinking-content", chunk_ix))
1904                .when_some(scroll_handle, |this, scroll_handle| {
1905                    this.track_scroll(&scroll_handle)
1906                })
1907                .text_ui_sm(cx)
1908                .overflow_hidden()
1909                .child(
1910                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
1911                )
1912        };
1913
1914        v_flex()
1915            .gap_1()
1916            .child(
1917                h_flex()
1918                    .id(header_id)
1919                    .group(&card_header_id)
1920                    .relative()
1921                    .w_full()
1922                    .pr_1()
1923                    .justify_between()
1924                    .child(
1925                        h_flex()
1926                            .h(window.line_height() - px(2.))
1927                            .gap_1p5()
1928                            .overflow_hidden()
1929                            .child(
1930                                Icon::new(IconName::ToolThink)
1931                                    .size(IconSize::Small)
1932                                    .color(Color::Muted),
1933                            )
1934                            .child(
1935                                div()
1936                                    .text_size(self.tool_name_font_size())
1937                                    .text_color(cx.theme().colors().text_muted)
1938                                    .child("Thinking"),
1939                            ),
1940                    )
1941                    .child(
1942                        Disclosure::new(("expand", entry_ix), is_open)
1943                            .opened_icon(IconName::ChevronUp)
1944                            .closed_icon(IconName::ChevronDown)
1945                            .visible_on_hover(&card_header_id)
1946                            .on_click(cx.listener({
1947                                move |this, _event, _window, cx| {
1948                                    if is_open {
1949                                        this.expanded_thinking_blocks.remove(&key);
1950                                    } else {
1951                                        this.expanded_thinking_blocks.insert(key);
1952                                    }
1953                                    cx.notify();
1954                                }
1955                            })),
1956                    )
1957                    .on_click(cx.listener({
1958                        move |this, _event, _window, cx| {
1959                            if is_open {
1960                                this.expanded_thinking_blocks.remove(&key);
1961                            } else {
1962                                this.expanded_thinking_blocks.insert(key);
1963                            }
1964                            cx.notify();
1965                        }
1966                    })),
1967            )
1968            .when(is_open, |this| {
1969                this.child(
1970                    div()
1971                        .ml_1p5()
1972                        .pl_3p5()
1973                        .border_l_1()
1974                        .border_color(self.tool_card_border_color(cx))
1975                        .child(thinking_content),
1976                )
1977            })
1978            .into_any_element()
1979    }
1980
1981    fn render_tool_call(
1982        &self,
1983        entry_ix: usize,
1984        tool_call: &ToolCall,
1985        window: &Window,
1986        cx: &Context<Self>,
1987    ) -> Div {
1988        let card_header_id = SharedString::from("inner-tool-call-header");
1989
1990        let tool_icon =
1991            if tool_call.kind == acp::ToolKind::Edit && tool_call.locations.len() == 1 {
1992                FileIcons::get_icon(&tool_call.locations[0].path, cx)
1993                    .map(Icon::from_path)
1994                    .unwrap_or(Icon::new(IconName::ToolPencil))
1995            } else {
1996                Icon::new(match tool_call.kind {
1997                    acp::ToolKind::Read => IconName::ToolSearch,
1998                    acp::ToolKind::Edit => IconName::ToolPencil,
1999                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
2000                    acp::ToolKind::Move => IconName::ArrowRightLeft,
2001                    acp::ToolKind::Search => IconName::ToolSearch,
2002                    acp::ToolKind::Execute => IconName::ToolTerminal,
2003                    acp::ToolKind::Think => IconName::ToolThink,
2004                    acp::ToolKind::Fetch => IconName::ToolWeb,
2005                    acp::ToolKind::Other => IconName::ToolHammer,
2006                })
2007            }
2008            .size(IconSize::Small)
2009            .color(Color::Muted);
2010
2011        let failed_or_canceled = match &tool_call.status {
2012            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2013            _ => false,
2014        };
2015
2016        let has_location = tool_call.locations.len() == 1;
2017        let needs_confirmation = matches!(
2018            tool_call.status,
2019            ToolCallStatus::WaitingForConfirmation { .. }
2020        );
2021        let is_edit =
2022            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2023        let use_card_layout = needs_confirmation || is_edit;
2024
2025        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2026
2027        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2028
2029        let gradient_overlay = {
2030            div()
2031                .absolute()
2032                .top_0()
2033                .right_0()
2034                .w_12()
2035                .h_full()
2036                .map(|this| {
2037                    if use_card_layout {
2038                        this.bg(linear_gradient(
2039                            90.,
2040                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2041                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2042                        ))
2043                    } else {
2044                        this.bg(linear_gradient(
2045                            90.,
2046                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2047                            linear_color_stop(
2048                                cx.theme().colors().panel_background.opacity(0.2),
2049                                0.,
2050                            ),
2051                        ))
2052                    }
2053                })
2054        };
2055
2056        let tool_output_display = if is_open {
2057            match &tool_call.status {
2058                ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2059                    .w_full()
2060                    .children(tool_call.content.iter().map(|content| {
2061                        div()
2062                            .child(self.render_tool_call_content(
2063                                entry_ix,
2064                                content,
2065                                tool_call,
2066                                use_card_layout,
2067                                window,
2068                                cx,
2069                            ))
2070                            .into_any_element()
2071                    }))
2072                    .child(self.render_permission_buttons(
2073                        options,
2074                        entry_ix,
2075                        tool_call.id.clone(),
2076                        cx,
2077                    ))
2078                    .into_any(),
2079                ToolCallStatus::Pending | ToolCallStatus::InProgress
2080                    if is_edit
2081                        && tool_call.content.is_empty()
2082                        && self.as_native_connection(cx).is_some() =>
2083                {
2084                    self.render_diff_loading(cx).into_any()
2085                }
2086                ToolCallStatus::Pending
2087                | ToolCallStatus::InProgress
2088                | ToolCallStatus::Completed
2089                | ToolCallStatus::Failed
2090                | ToolCallStatus::Canceled => v_flex()
2091                    .w_full()
2092                    .children(tool_call.content.iter().map(|content| {
2093                        div().child(self.render_tool_call_content(
2094                            entry_ix,
2095                            content,
2096                            tool_call,
2097                            use_card_layout,
2098                            window,
2099                            cx,
2100                        ))
2101                    }))
2102                    .into_any(),
2103                ToolCallStatus::Rejected => Empty.into_any(),
2104            }
2105            .into()
2106        } else {
2107            None
2108        };
2109
2110        v_flex()
2111            .map(|this| {
2112                if use_card_layout {
2113                    this.my_1p5()
2114                        .rounded_md()
2115                        .border_1()
2116                        .border_color(self.tool_card_border_color(cx))
2117                        .bg(cx.theme().colors().editor_background)
2118                        .overflow_hidden()
2119                } else {
2120                    this.my_1()
2121                }
2122            })
2123            .map(|this| {
2124                if has_location && !use_card_layout {
2125                    this.ml_4()
2126                } else {
2127                    this.ml_5()
2128                }
2129            })
2130            .mr_5()
2131            .child(
2132                h_flex()
2133                    .group(&card_header_id)
2134                    .relative()
2135                    .w_full()
2136                    .gap_1()
2137                    .justify_between()
2138                    .when(use_card_layout, |this| {
2139                        this.p_0p5()
2140                            .rounded_t(rems_from_px(5.))
2141                            .bg(self.tool_card_header_bg(cx))
2142                    })
2143                    .child(
2144                        h_flex()
2145                            .relative()
2146                            .w_full()
2147                            .h(window.line_height() - px(2.))
2148                            .text_size(self.tool_name_font_size())
2149                            .gap_1p5()
2150                            .when(has_location || use_card_layout, |this| this.px_1())
2151                            .when(has_location, |this| {
2152                                this.cursor(CursorStyle::PointingHand)
2153                                    .rounded(rems_from_px(3.)) // Concentric border radius
2154                                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2155                            })
2156                            .overflow_hidden()
2157                            .child(tool_icon)
2158                            .child(if has_location {
2159                                let name = tool_call.locations[0]
2160                                    .path
2161                                    .file_name()
2162                                    .unwrap_or_default()
2163                                    .display()
2164                                    .to_string();
2165
2166                                h_flex()
2167                                    .id(("open-tool-call-location", entry_ix))
2168                                    .w_full()
2169                                    .map(|this| {
2170                                        if use_card_layout {
2171                                            this.text_color(cx.theme().colors().text)
2172                                        } else {
2173                                            this.text_color(cx.theme().colors().text_muted)
2174                                        }
2175                                    })
2176                                    .child(name)
2177                                    .tooltip(Tooltip::text("Jump to File"))
2178                                    .on_click(cx.listener(move |this, _, window, cx| {
2179                                        this.open_tool_call_location(entry_ix, 0, window, cx);
2180                                    }))
2181                                    .into_any_element()
2182                            } else {
2183                                h_flex()
2184                                    .w_full()
2185                                    .child(self.render_markdown(
2186                                        tool_call.label.clone(),
2187                                        default_markdown_style(false, true, window, cx),
2188                                    ))
2189                                    .into_any()
2190                            })
2191                            .when(!has_location, |this| this.child(gradient_overlay)),
2192                    )
2193                    .when(is_collapsible || failed_or_canceled, |this| {
2194                        this.child(
2195                            h_flex()
2196                                .px_1()
2197                                .gap_px()
2198                                .when(is_collapsible, |this| {
2199                                    this.child(
2200                                    Disclosure::new(("expand", entry_ix), is_open)
2201                                        .opened_icon(IconName::ChevronUp)
2202                                        .closed_icon(IconName::ChevronDown)
2203                                        .visible_on_hover(&card_header_id)
2204                                        .on_click(cx.listener({
2205                                            let id = tool_call.id.clone();
2206                                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2207                                                if is_open {
2208                                                    this.expanded_tool_calls.remove(&id);
2209                                                } else {
2210                                                    this.expanded_tool_calls.insert(id.clone());
2211                                                }
2212                                                cx.notify();
2213                                            }
2214                                        })),
2215                                )
2216                                })
2217                                .when(failed_or_canceled, |this| {
2218                                    this.child(
2219                                        Icon::new(IconName::Close)
2220                                            .color(Color::Error)
2221                                            .size(IconSize::Small),
2222                                    )
2223                                }),
2224                        )
2225                    }),
2226            )
2227            .children(tool_output_display)
2228    }
2229
2230    fn render_tool_call_content(
2231        &self,
2232        entry_ix: usize,
2233        content: &ToolCallContent,
2234        tool_call: &ToolCall,
2235        card_layout: bool,
2236        window: &Window,
2237        cx: &Context<Self>,
2238    ) -> AnyElement {
2239        match content {
2240            ToolCallContent::ContentBlock(content) => {
2241                if let Some(resource_link) = content.resource_link() {
2242                    self.render_resource_link(resource_link, cx)
2243                } else if let Some(markdown) = content.markdown() {
2244                    self.render_markdown_output(
2245                        markdown.clone(),
2246                        tool_call.id.clone(),
2247                        card_layout,
2248                        window,
2249                        cx,
2250                    )
2251                } else {
2252                    Empty.into_any_element()
2253                }
2254            }
2255            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2256            ToolCallContent::Terminal(terminal) => {
2257                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2258            }
2259        }
2260    }
2261
2262    fn render_markdown_output(
2263        &self,
2264        markdown: Entity<Markdown>,
2265        tool_call_id: acp::ToolCallId,
2266        card_layout: bool,
2267        window: &Window,
2268        cx: &Context<Self>,
2269    ) -> AnyElement {
2270        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2271
2272        v_flex()
2273            .mt_1p5()
2274            .gap_2()
2275            .when(!card_layout, |this| {
2276                this.ml(rems(0.4))
2277                    .px_3p5()
2278                    .border_l_1()
2279                    .border_color(self.tool_card_border_color(cx))
2280            })
2281            .when(card_layout, |this| {
2282                this.p_2()
2283                    .border_t_1()
2284                    .border_color(self.tool_card_border_color(cx))
2285            })
2286            .text_sm()
2287            .text_color(cx.theme().colors().text_muted)
2288            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2289            .when(!card_layout, |this| {
2290                this.child(
2291                    IconButton::new(button_id, IconName::ChevronUp)
2292                        .full_width()
2293                        .style(ButtonStyle::Outlined)
2294                        .icon_color(Color::Muted)
2295                        .on_click(cx.listener({
2296                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2297                                this.expanded_tool_calls.remove(&tool_call_id);
2298                                cx.notify();
2299                            }
2300                        })),
2301                )
2302            })
2303            .into_any_element()
2304    }
2305
2306    fn render_resource_link(
2307        &self,
2308        resource_link: &acp::ResourceLink,
2309        cx: &Context<Self>,
2310    ) -> AnyElement {
2311        let uri: SharedString = resource_link.uri.clone().into();
2312        let is_file = resource_link.uri.strip_prefix("file://");
2313
2314        let label: SharedString = if let Some(abs_path) = is_file {
2315            if let Some(project_path) = self
2316                .project
2317                .read(cx)
2318                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2319                && let Some(worktree) = self
2320                    .project
2321                    .read(cx)
2322                    .worktree_for_id(project_path.worktree_id, cx)
2323            {
2324                worktree
2325                    .read(cx)
2326                    .full_path(&project_path.path)
2327                    .to_string_lossy()
2328                    .to_string()
2329                    .into()
2330            } else {
2331                abs_path.to_string().into()
2332            }
2333        } else {
2334            uri.clone()
2335        };
2336
2337        let button_id = SharedString::from(format!("item-{}", uri));
2338
2339        div()
2340            .ml(rems(0.4))
2341            .pl_2p5()
2342            .border_l_1()
2343            .border_color(self.tool_card_border_color(cx))
2344            .overflow_hidden()
2345            .child(
2346                Button::new(button_id, label)
2347                    .label_size(LabelSize::Small)
2348                    .color(Color::Muted)
2349                    .truncate(true)
2350                    .when(is_file.is_none(), |this| {
2351                        this.icon(IconName::ArrowUpRight)
2352                            .icon_size(IconSize::XSmall)
2353                            .icon_color(Color::Muted)
2354                    })
2355                    .on_click(cx.listener({
2356                        let workspace = self.workspace.clone();
2357                        move |_, _, window, cx: &mut Context<Self>| {
2358                            Self::open_link(uri.clone(), &workspace, window, cx);
2359                        }
2360                    })),
2361            )
2362            .into_any_element()
2363    }
2364
2365    fn render_permission_buttons(
2366        &self,
2367        options: &[acp::PermissionOption],
2368        entry_ix: usize,
2369        tool_call_id: acp::ToolCallId,
2370        cx: &Context<Self>,
2371    ) -> Div {
2372        h_flex()
2373            .py_1()
2374            .pl_2()
2375            .pr_1()
2376            .gap_1()
2377            .justify_between()
2378            .flex_wrap()
2379            .border_t_1()
2380            .border_color(self.tool_card_border_color(cx))
2381            .child(
2382                div()
2383                    .min_w(rems_from_px(145.))
2384                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
2385            )
2386            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
2387                let option_id = SharedString::from(option.id.0.clone());
2388                Button::new((option_id, entry_ix), option.name.clone())
2389                    .map(|this| match option.kind {
2390                        acp::PermissionOptionKind::AllowOnce => {
2391                            this.icon(IconName::Check).icon_color(Color::Success)
2392                        }
2393                        acp::PermissionOptionKind::AllowAlways => {
2394                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
2395                        }
2396                        acp::PermissionOptionKind::RejectOnce => {
2397                            this.icon(IconName::Close).icon_color(Color::Error)
2398                        }
2399                        acp::PermissionOptionKind::RejectAlways => {
2400                            this.icon(IconName::Close).icon_color(Color::Error)
2401                        }
2402                    })
2403                    .icon_position(IconPosition::Start)
2404                    .icon_size(IconSize::XSmall)
2405                    .label_size(LabelSize::Small)
2406                    .on_click(cx.listener({
2407                        let tool_call_id = tool_call_id.clone();
2408                        let option_id = option.id.clone();
2409                        let option_kind = option.kind;
2410                        move |this, _, window, cx| {
2411                            this.authorize_tool_call(
2412                                tool_call_id.clone(),
2413                                option_id.clone(),
2414                                option_kind,
2415                                window,
2416                                cx,
2417                            );
2418                        }
2419                    }))
2420            })))
2421    }
2422
2423    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2424        let bar = |n: u64, width_class: &str| {
2425            let bg_color = cx.theme().colors().element_active;
2426            let base = h_flex().h_1().rounded_full();
2427
2428            let modified = match width_class {
2429                "w_4_5" => base.w_3_4(),
2430                "w_1_4" => base.w_1_4(),
2431                "w_2_4" => base.w_2_4(),
2432                "w_3_5" => base.w_3_5(),
2433                "w_2_5" => base.w_2_5(),
2434                _ => base.w_1_2(),
2435            };
2436
2437            modified.with_animation(
2438                ElementId::Integer(n),
2439                Animation::new(Duration::from_secs(2)).repeat(),
2440                move |tab, delta| {
2441                    let delta = (delta - 0.15 * n as f32) / 0.7;
2442                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2443                    let delta = ease_in_out(delta.clamp(0., 1.));
2444                    let delta = 0.1 + 0.9 * delta;
2445
2446                    tab.bg(bg_color.opacity(delta))
2447                },
2448            )
2449        };
2450
2451        v_flex()
2452            .p_3()
2453            .gap_1()
2454            .rounded_b_md()
2455            .bg(cx.theme().colors().editor_background)
2456            .child(bar(0, "w_4_5"))
2457            .child(bar(1, "w_1_4"))
2458            .child(bar(2, "w_2_4"))
2459            .child(bar(3, "w_3_5"))
2460            .child(bar(4, "w_2_5"))
2461            .into_any_element()
2462    }
2463
2464    fn render_diff_editor(
2465        &self,
2466        entry_ix: usize,
2467        diff: &Entity<acp_thread::Diff>,
2468        tool_call: &ToolCall,
2469        cx: &Context<Self>,
2470    ) -> AnyElement {
2471        let tool_progress = matches!(
2472            &tool_call.status,
2473            ToolCallStatus::InProgress | ToolCallStatus::Pending
2474        );
2475
2476        v_flex()
2477            .h_full()
2478            .border_t_1()
2479            .border_color(self.tool_card_border_color(cx))
2480            .child(
2481                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2482                    && let Some(editor) = entry.editor_for_diff(diff)
2483                    && diff.read(cx).has_revealed_range(cx)
2484                {
2485                    editor.into_any_element()
2486                } else if tool_progress && self.as_native_connection(cx).is_some() {
2487                    self.render_diff_loading(cx)
2488                } else {
2489                    Empty.into_any()
2490                },
2491            )
2492            .into_any()
2493    }
2494
2495    fn render_terminal_tool_call(
2496        &self,
2497        entry_ix: usize,
2498        terminal: &Entity<acp_thread::Terminal>,
2499        tool_call: &ToolCall,
2500        window: &Window,
2501        cx: &Context<Self>,
2502    ) -> AnyElement {
2503        let terminal_data = terminal.read(cx);
2504        let working_dir = terminal_data.working_dir();
2505        let command = terminal_data.command();
2506        let started_at = terminal_data.started_at();
2507
2508        let tool_failed = matches!(
2509            &tool_call.status,
2510            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2511        );
2512
2513        let output = terminal_data.output();
2514        let command_finished = output.is_some();
2515        let truncated_output =
2516            output.is_some_and(|output| output.original_content_len > output.content.len());
2517        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2518
2519        let command_failed = command_finished
2520            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2521
2522        let time_elapsed = if let Some(output) = output {
2523            output.ended_at.duration_since(started_at)
2524        } else {
2525            started_at.elapsed()
2526        };
2527
2528        let header_id =
2529            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2530        let header_group = SharedString::from(format!(
2531            "terminal-tool-header-group-{}",
2532            terminal.entity_id()
2533        ));
2534        let header_bg = cx
2535            .theme()
2536            .colors()
2537            .element_background
2538            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2539        let border_color = cx.theme().colors().border.opacity(0.6);
2540
2541        let working_dir = working_dir
2542            .as_ref()
2543            .map(|path| format!("{}", path.display()))
2544            .unwrap_or_else(|| "current directory".to_string());
2545
2546        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2547
2548        let header = h_flex()
2549            .id(header_id)
2550            .flex_none()
2551            .gap_1()
2552            .justify_between()
2553            .rounded_t_md()
2554            .child(
2555                div()
2556                    .id(("command-target-path", terminal.entity_id()))
2557                    .w_full()
2558                    .max_w_full()
2559                    .overflow_x_scroll()
2560                    .child(
2561                        Label::new(working_dir)
2562                            .buffer_font(cx)
2563                            .size(LabelSize::XSmall)
2564                            .color(Color::Muted),
2565                    ),
2566            )
2567            .when(!command_finished, |header| {
2568                header
2569                    .gap_1p5()
2570                    .child(
2571                        Button::new(
2572                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2573                            "Stop",
2574                        )
2575                        .icon(IconName::Stop)
2576                        .icon_position(IconPosition::Start)
2577                        .icon_size(IconSize::Small)
2578                        .icon_color(Color::Error)
2579                        .label_size(LabelSize::Small)
2580                        .tooltip(move |window, cx| {
2581                            Tooltip::with_meta(
2582                                "Stop This Command",
2583                                None,
2584                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2585                                window,
2586                                cx,
2587                            )
2588                        })
2589                        .on_click({
2590                            let terminal = terminal.clone();
2591                            cx.listener(move |_this, _event, _window, cx| {
2592                                let inner_terminal = terminal.read(cx).inner().clone();
2593                                inner_terminal.update(cx, |inner_terminal, _cx| {
2594                                    inner_terminal.kill_active_task();
2595                                });
2596                            })
2597                        }),
2598                    )
2599                    .child(Divider::vertical())
2600                    .child(
2601                        Icon::new(IconName::ArrowCircle)
2602                            .size(IconSize::XSmall)
2603                            .color(Color::Info)
2604                            .with_animation(
2605                                "arrow-circle",
2606                                Animation::new(Duration::from_secs(2)).repeat(),
2607                                |icon, delta| {
2608                                    icon.transform(Transformation::rotate(percentage(delta)))
2609                                },
2610                            ),
2611                    )
2612            })
2613            .child(
2614                Disclosure::new(
2615                    SharedString::from(format!(
2616                        "terminal-tool-disclosure-{}",
2617                        terminal.entity_id()
2618                    )),
2619                    is_expanded,
2620                )
2621                .opened_icon(IconName::ChevronUp)
2622                .closed_icon(IconName::ChevronDown)
2623                .visible_on_hover(&header_group)
2624                .on_click(cx.listener({
2625                    let id = tool_call.id.clone();
2626                    move |this, _event, _window, _cx| {
2627                        if is_expanded {
2628                            this.expanded_tool_calls.remove(&id);
2629                        } else {
2630                            this.expanded_tool_calls.insert(id.clone());
2631                        }
2632                    }
2633                })),
2634            )
2635            .when(truncated_output, |header| {
2636                let tooltip = if let Some(output) = output {
2637                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2638                       format!("Output exceeded terminal max lines and was \
2639                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2640                    } else {
2641                        format!(
2642                            "Output is {} long, and to avoid unexpected token usage, \
2643                                only {} was sent back to the agent.",
2644                            format_file_size(output.original_content_len as u64, true),
2645                             format_file_size(output.content.len() as u64, true)
2646                        )
2647                    }
2648                } else {
2649                    "Output was truncated".to_string()
2650                };
2651
2652                header.child(
2653                    h_flex()
2654                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2655                        .gap_1()
2656                        .child(
2657                            Icon::new(IconName::Info)
2658                                .size(IconSize::XSmall)
2659                                .color(Color::Ignored),
2660                        )
2661                        .child(
2662                            Label::new("Truncated")
2663                                .color(Color::Muted)
2664                                .size(LabelSize::XSmall),
2665                        )
2666                        .tooltip(Tooltip::text(tooltip)),
2667                )
2668            })
2669            .when(time_elapsed > Duration::from_secs(10), |header| {
2670                header.child(
2671                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2672                        .buffer_font(cx)
2673                        .color(Color::Muted)
2674                        .size(LabelSize::XSmall),
2675                )
2676            })
2677            .when(tool_failed || command_failed, |header| {
2678                header.child(
2679                    div()
2680                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2681                        .child(
2682                            Icon::new(IconName::Close)
2683                                .size(IconSize::Small)
2684                                .color(Color::Error),
2685                        )
2686                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2687                            this.tooltip(Tooltip::text(format!(
2688                                "Exited with code {}",
2689                                status.code().unwrap_or(-1),
2690                            )))
2691                        }),
2692                )
2693            });
2694
2695        let terminal_view = self
2696            .entry_view_state
2697            .read(cx)
2698            .entry(entry_ix)
2699            .and_then(|entry| entry.terminal(terminal));
2700        let show_output = is_expanded && terminal_view.is_some();
2701
2702        v_flex()
2703            .my_1p5()
2704            .mx_5()
2705            .border_1()
2706            .when(tool_failed || command_failed, |card| card.border_dashed())
2707            .border_color(border_color)
2708            .rounded_md()
2709            .overflow_hidden()
2710            .child(
2711                v_flex()
2712                    .group(&header_group)
2713                    .py_1p5()
2714                    .pr_1p5()
2715                    .pl_2()
2716                    .gap_0p5()
2717                    .bg(header_bg)
2718                    .text_xs()
2719                    .child(header)
2720                    .child(
2721                        MarkdownElement::new(
2722                            command.clone(),
2723                            terminal_command_markdown_style(window, cx),
2724                        )
2725                        .code_block_renderer(
2726                            markdown::CodeBlockRenderer::Default {
2727                                copy_button: false,
2728                                copy_button_on_hover: true,
2729                                border: false,
2730                            },
2731                        ),
2732                    ),
2733            )
2734            .when(show_output, |this| {
2735                this.child(
2736                    div()
2737                        .pt_2()
2738                        .border_t_1()
2739                        .when(tool_failed || command_failed, |card| card.border_dashed())
2740                        .border_color(border_color)
2741                        .bg(cx.theme().colors().editor_background)
2742                        .rounded_b_md()
2743                        .text_ui_sm(cx)
2744                        .h_full()
2745                        .children(terminal_view.map(|terminal_view| {
2746                            if terminal_view
2747                                .read(cx)
2748                                .content_mode(window, cx)
2749                                .is_scrollable()
2750                            {
2751                                div().h_72().child(terminal_view).into_any_element()
2752                            } else {
2753                                terminal_view.into_any_element()
2754                            }
2755                        })),
2756                )
2757            })
2758            .into_any()
2759    }
2760
2761    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2762        let project_context = self
2763            .as_native_thread(cx)?
2764            .read(cx)
2765            .project_context()
2766            .read(cx);
2767
2768        let user_rules_text = if project_context.user_rules.is_empty() {
2769            None
2770        } else if project_context.user_rules.len() == 1 {
2771            let user_rules = &project_context.user_rules[0];
2772
2773            match user_rules.title.as_ref() {
2774                Some(title) => Some(format!("Using \"{title}\" user rule")),
2775                None => Some("Using user rule".into()),
2776            }
2777        } else {
2778            Some(format!(
2779                "Using {} user rules",
2780                project_context.user_rules.len()
2781            ))
2782        };
2783
2784        let first_user_rules_id = project_context
2785            .user_rules
2786            .first()
2787            .map(|user_rules| user_rules.uuid.0);
2788
2789        let rules_files = project_context
2790            .worktrees
2791            .iter()
2792            .filter_map(|worktree| worktree.rules_file.as_ref())
2793            .collect::<Vec<_>>();
2794
2795        let rules_file_text = match rules_files.as_slice() {
2796            &[] => None,
2797            &[rules_file] => Some(format!(
2798                "Using project {:?} file",
2799                rules_file.path_in_worktree
2800            )),
2801            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2802        };
2803
2804        if user_rules_text.is_none() && rules_file_text.is_none() {
2805            return None;
2806        }
2807
2808        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2809
2810        Some(
2811            h_flex()
2812                .px_2p5()
2813                .child(
2814                    Icon::new(IconName::Attach)
2815                        .size(IconSize::XSmall)
2816                        .color(Color::Disabled),
2817                )
2818                .when_some(user_rules_text, |parent, user_rules_text| {
2819                    parent.child(
2820                        h_flex()
2821                            .id("user-rules")
2822                            .ml_1()
2823                            .mr_1p5()
2824                            .child(
2825                                Label::new(user_rules_text)
2826                                    .size(LabelSize::XSmall)
2827                                    .color(Color::Muted)
2828                                    .truncate(),
2829                            )
2830                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2831                            .tooltip(Tooltip::text("View User Rules"))
2832                            .on_click(move |_event, window, cx| {
2833                                window.dispatch_action(
2834                                    Box::new(OpenRulesLibrary {
2835                                        prompt_to_select: first_user_rules_id,
2836                                    }),
2837                                    cx,
2838                                )
2839                            }),
2840                    )
2841                })
2842                .when(has_both, |this| {
2843                    this.child(
2844                        Label::new("")
2845                            .size(LabelSize::XSmall)
2846                            .color(Color::Disabled),
2847                    )
2848                })
2849                .when_some(rules_file_text, |parent, rules_file_text| {
2850                    parent.child(
2851                        h_flex()
2852                            .id("project-rules")
2853                            .ml_1p5()
2854                            .child(
2855                                Label::new(rules_file_text)
2856                                    .size(LabelSize::XSmall)
2857                                    .color(Color::Muted),
2858                            )
2859                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2860                            .tooltip(Tooltip::text("View Project Rules"))
2861                            .on_click(cx.listener(Self::handle_open_rules)),
2862                    )
2863                })
2864                .into_any(),
2865        )
2866    }
2867
2868    fn render_empty_state_section_header(
2869        &self,
2870        label: impl Into<SharedString>,
2871        action_slot: Option<AnyElement>,
2872        cx: &mut Context<Self>,
2873    ) -> impl IntoElement {
2874        div().pl_1().pr_1p5().child(
2875            h_flex()
2876                .mt_2()
2877                .pl_1p5()
2878                .pb_1()
2879                .w_full()
2880                .justify_between()
2881                .border_b_1()
2882                .border_color(cx.theme().colors().border_variant)
2883                .child(
2884                    Label::new(label.into())
2885                        .size(LabelSize::Small)
2886                        .color(Color::Muted),
2887                )
2888                .children(action_slot),
2889        )
2890    }
2891
2892    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2893        let render_history = self
2894            .agent
2895            .clone()
2896            .downcast::<agent2::NativeAgentServer>()
2897            .is_some()
2898            && self
2899                .history_store
2900                .update(cx, |history_store, cx| !history_store.is_empty(cx));
2901
2902        v_flex()
2903            .size_full()
2904            .when(render_history, |this| {
2905                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
2906                    history_store.entries().take(3).collect()
2907                });
2908                this.justify_end().child(
2909                    v_flex()
2910                        .child(
2911                            self.render_empty_state_section_header(
2912                                "Recent",
2913                                Some(
2914                                    Button::new("view-history", "View All")
2915                                        .style(ButtonStyle::Subtle)
2916                                        .label_size(LabelSize::Small)
2917                                        .key_binding(
2918                                            KeyBinding::for_action_in(
2919                                                &OpenHistory,
2920                                                &self.focus_handle(cx),
2921                                                window,
2922                                                cx,
2923                                            )
2924                                            .map(|kb| kb.size(rems_from_px(12.))),
2925                                        )
2926                                        .on_click(move |_event, window, cx| {
2927                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2928                                        })
2929                                        .into_any_element(),
2930                                ),
2931                                cx,
2932                            ),
2933                        )
2934                        .child(
2935                            v_flex().p_1().pr_1p5().gap_1().children(
2936                                recent_history
2937                                    .into_iter()
2938                                    .enumerate()
2939                                    .map(|(index, entry)| {
2940                                        // TODO: Add keyboard navigation.
2941                                        let is_hovered =
2942                                            self.hovered_recent_history_item == Some(index);
2943                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2944                                            entry,
2945                                            cx.entity().downgrade(),
2946                                        )
2947                                        .hovered(is_hovered)
2948                                        .on_hover(cx.listener(
2949                                            move |this, is_hovered, _window, cx| {
2950                                                if *is_hovered {
2951                                                    this.hovered_recent_history_item = Some(index);
2952                                                } else if this.hovered_recent_history_item
2953                                                    == Some(index)
2954                                                {
2955                                                    this.hovered_recent_history_item = None;
2956                                                }
2957                                                cx.notify();
2958                                            },
2959                                        ))
2960                                        .into_any_element()
2961                                    }),
2962                            ),
2963                        ),
2964                )
2965            })
2966            .into_any()
2967    }
2968
2969    fn render_auth_required_state(
2970        &self,
2971        connection: &Rc<dyn AgentConnection>,
2972        description: Option<&Entity<Markdown>>,
2973        configuration_view: Option<&AnyView>,
2974        pending_auth_method: Option<&acp::AuthMethodId>,
2975        window: &mut Window,
2976        cx: &Context<Self>,
2977    ) -> Div {
2978        let show_description =
2979            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
2980
2981        v_flex().flex_1().size_full().justify_end().child(
2982            v_flex()
2983                .p_2()
2984                .pr_3()
2985                .w_full()
2986                .gap_1()
2987                .border_t_1()
2988                .border_color(cx.theme().colors().border)
2989                .bg(cx.theme().status().warning.opacity(0.04))
2990                .child(
2991                    h_flex()
2992                        .gap_1p5()
2993                        .child(
2994                            Icon::new(IconName::Warning)
2995                                .color(Color::Warning)
2996                                .size(IconSize::Small),
2997                        )
2998                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
2999                )
3000                .children(description.map(|desc| {
3001                    div().text_ui(cx).child(self.render_markdown(
3002                        desc.clone(),
3003                        default_markdown_style(false, false, window, cx),
3004                    ))
3005                }))
3006                .children(
3007                    configuration_view
3008                        .cloned()
3009                        .map(|view| div().w_full().child(view)),
3010                )
3011                .when(
3012                    show_description,
3013                    |el| {
3014                        el.child(
3015                            Label::new(format!(
3016                                "You are not currently authenticated with {}. Please choose one of the following options:",
3017                                self.agent.name()
3018                            ))
3019                            .size(LabelSize::Small)
3020                            .color(Color::Muted)
3021                            .mb_1()
3022                            .ml_5(),
3023                        )
3024                    },
3025                )
3026                .when_some(pending_auth_method, |el, _| {
3027                    el.child(
3028                        h_flex()
3029                            .py_4()
3030                            .w_full()
3031                            .justify_center()
3032                            .gap_1()
3033                            .child(
3034                                Icon::new(IconName::ArrowCircle)
3035                                    .size(IconSize::Small)
3036                                    .color(Color::Muted)
3037                                    .with_animation(
3038                                        "arrow-circle",
3039                                        Animation::new(Duration::from_secs(2)).repeat(),
3040                                        |icon, delta| {
3041                                            icon.transform(Transformation::rotate(percentage(
3042                                                delta,
3043                                            )))
3044                                        },
3045                                    )
3046                                    .into_any_element(),
3047                            )
3048                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3049                    )
3050                })
3051                .when(!connection.auth_methods().is_empty(), |this| {
3052                    this.child(
3053                        h_flex()
3054                            .justify_end()
3055                            .flex_wrap()
3056                            .gap_1()
3057                            .when(!show_description, |this| {
3058                                this.border_t_1()
3059                                    .mt_1()
3060                                    .pt_2()
3061                                    .border_color(cx.theme().colors().border.opacity(0.8))
3062                            })
3063                            .children(
3064                                connection
3065                                    .auth_methods()
3066                                    .iter()
3067                                    .enumerate()
3068                                    .rev()
3069                                    .map(|(ix, method)| {
3070                                        Button::new(
3071                                            SharedString::from(method.id.0.clone()),
3072                                            method.name.clone(),
3073                                        )
3074                                        .when(ix == 0, |el| {
3075                                            el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
3076                                        })
3077                                        .label_size(LabelSize::Small)
3078                                        .on_click({
3079                                            let method_id = method.id.clone();
3080                                            cx.listener(move |this, _, window, cx| {
3081                                                telemetry::event!(
3082                                                    "Authenticate Agent Started",
3083                                                    agent = this.agent.telemetry_id(),
3084                                                    method = method_id
3085                                                );
3086
3087                                                this.authenticate(method_id.clone(), window, cx)
3088                                            })
3089                                        })
3090                                    }),
3091                            ),
3092                    )
3093                })
3094
3095        )
3096    }
3097
3098    fn render_load_error(
3099        &self,
3100        e: &LoadError,
3101        window: &mut Window,
3102        cx: &mut Context<Self>,
3103    ) -> AnyElement {
3104        let (title, message, action_slot): (_, SharedString, _) = match e {
3105            LoadError::Unsupported {
3106                command: path,
3107                current_version,
3108                minimum_version,
3109            } => {
3110                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3111            }
3112            LoadError::FailedToInstall(msg) => (
3113                "Failed to Install",
3114                msg.into(),
3115                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3116            ),
3117            LoadError::Exited { status } => (
3118                "Failed to Launch",
3119                format!("Server exited with status {status}").into(),
3120                None,
3121            ),
3122            LoadError::Other(msg) => (
3123                "Failed to Launch",
3124                msg.into(),
3125                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3126            ),
3127        };
3128
3129        Callout::new()
3130            .severity(Severity::Error)
3131            .icon(IconName::XCircleFilled)
3132            .title(title)
3133            .description(message)
3134            .actions_slot(div().children(action_slot))
3135            .into_any_element()
3136    }
3137
3138    fn render_unsupported(
3139        &self,
3140        path: &SharedString,
3141        version: &SharedString,
3142        minimum_version: &SharedString,
3143        _window: &mut Window,
3144        cx: &mut Context<Self>,
3145    ) -> AnyElement {
3146        let (heading_label, description_label) = (
3147            format!("Upgrade {} to work with Zed", self.agent.name()),
3148            if version.is_empty() {
3149                format!(
3150                    "Currently using {}, which does not report a valid --version",
3151                    path,
3152                )
3153            } else {
3154                format!(
3155                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3156                    path, version
3157                )
3158            },
3159        );
3160
3161        v_flex()
3162            .w_full()
3163            .p_3p5()
3164            .gap_2p5()
3165            .border_t_1()
3166            .border_color(cx.theme().colors().border)
3167            .bg(linear_gradient(
3168                180.,
3169                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3170                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3171            ))
3172            .child(
3173                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3174                    Label::new(description_label)
3175                        .size(LabelSize::Small)
3176                        .color(Color::Muted),
3177                ),
3178            )
3179            .into_any_element()
3180    }
3181
3182    fn render_activity_bar(
3183        &self,
3184        thread_entity: &Entity<AcpThread>,
3185        window: &mut Window,
3186        cx: &Context<Self>,
3187    ) -> Option<AnyElement> {
3188        let thread = thread_entity.read(cx);
3189        let action_log = thread.action_log();
3190        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3191        let plan = thread.plan();
3192
3193        if changed_buffers.is_empty() && plan.is_empty() {
3194            return None;
3195        }
3196
3197        let editor_bg_color = cx.theme().colors().editor_background;
3198        let active_color = cx.theme().colors().element_selected;
3199        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
3200
3201        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3202        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3203        // be, which blocks you from being able to accept or reject edits. This switches the
3204        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3205        // block you from using the panel.
3206        let pending_edits = false;
3207
3208        v_flex()
3209            .mt_1()
3210            .mx_2()
3211            .bg(bg_edit_files_disclosure)
3212            .border_1()
3213            .border_b_0()
3214            .border_color(cx.theme().colors().border)
3215            .rounded_t_md()
3216            .shadow(vec![gpui::BoxShadow {
3217                color: gpui::black().opacity(0.15),
3218                offset: point(px(1.), px(-1.)),
3219                blur_radius: px(3.),
3220                spread_radius: px(0.),
3221            }])
3222            .when(!plan.is_empty(), |this| {
3223                this.child(self.render_plan_summary(plan, window, cx))
3224                    .when(self.plan_expanded, |parent| {
3225                        parent.child(self.render_plan_entries(plan, window, cx))
3226                    })
3227            })
3228            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3229                this.child(Divider::horizontal().color(DividerColor::Border))
3230            })
3231            .when(!changed_buffers.is_empty(), |this| {
3232                this.child(self.render_edits_summary(
3233                    &changed_buffers,
3234                    self.edits_expanded,
3235                    pending_edits,
3236                    window,
3237                    cx,
3238                ))
3239                .when(self.edits_expanded, |parent| {
3240                    parent.child(self.render_edited_files(
3241                        action_log,
3242                        &changed_buffers,
3243                        pending_edits,
3244                        cx,
3245                    ))
3246                })
3247            })
3248            .into_any()
3249            .into()
3250    }
3251
3252    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3253        let stats = plan.stats();
3254
3255        let title = if let Some(entry) = stats.in_progress_entry
3256            && !self.plan_expanded
3257        {
3258            h_flex()
3259                .w_full()
3260                .cursor_default()
3261                .gap_1()
3262                .text_xs()
3263                .text_color(cx.theme().colors().text_muted)
3264                .justify_between()
3265                .child(
3266                    h_flex()
3267                        .gap_1()
3268                        .child(
3269                            Label::new("Current:")
3270                                .size(LabelSize::Small)
3271                                .color(Color::Muted),
3272                        )
3273                        .child(MarkdownElement::new(
3274                            entry.content.clone(),
3275                            plan_label_markdown_style(&entry.status, window, cx),
3276                        )),
3277                )
3278                .when(stats.pending > 0, |this| {
3279                    this.child(
3280                        Label::new(format!("{} left", stats.pending))
3281                            .size(LabelSize::Small)
3282                            .color(Color::Muted)
3283                            .mr_1(),
3284                    )
3285                })
3286        } else {
3287            let status_label = if stats.pending == 0 {
3288                "All Done".to_string()
3289            } else if stats.completed == 0 {
3290                format!("{} Tasks", plan.entries.len())
3291            } else {
3292                format!("{}/{}", stats.completed, plan.entries.len())
3293            };
3294
3295            h_flex()
3296                .w_full()
3297                .gap_1()
3298                .justify_between()
3299                .child(
3300                    Label::new("Plan")
3301                        .size(LabelSize::Small)
3302                        .color(Color::Muted),
3303                )
3304                .child(
3305                    Label::new(status_label)
3306                        .size(LabelSize::Small)
3307                        .color(Color::Muted)
3308                        .mr_1(),
3309                )
3310        };
3311
3312        h_flex()
3313            .p_1()
3314            .justify_between()
3315            .when(self.plan_expanded, |this| {
3316                this.border_b_1().border_color(cx.theme().colors().border)
3317            })
3318            .child(
3319                h_flex()
3320                    .id("plan_summary")
3321                    .w_full()
3322                    .gap_1()
3323                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3324                    .child(title)
3325                    .on_click(cx.listener(|this, _, _, cx| {
3326                        this.plan_expanded = !this.plan_expanded;
3327                        cx.notify();
3328                    })),
3329            )
3330    }
3331
3332    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3333        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3334            let element = h_flex()
3335                .py_1()
3336                .px_2()
3337                .gap_2()
3338                .justify_between()
3339                .bg(cx.theme().colors().editor_background)
3340                .when(index < plan.entries.len() - 1, |parent| {
3341                    parent.border_color(cx.theme().colors().border).border_b_1()
3342                })
3343                .child(
3344                    h_flex()
3345                        .id(("plan_entry", index))
3346                        .gap_1p5()
3347                        .max_w_full()
3348                        .overflow_x_scroll()
3349                        .text_xs()
3350                        .text_color(cx.theme().colors().text_muted)
3351                        .child(match entry.status {
3352                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3353                                .size(IconSize::Small)
3354                                .color(Color::Muted)
3355                                .into_any_element(),
3356                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3357                                .size(IconSize::Small)
3358                                .color(Color::Accent)
3359                                .with_animation(
3360                                    "running",
3361                                    Animation::new(Duration::from_secs(2)).repeat(),
3362                                    |icon, delta| {
3363                                        icon.transform(Transformation::rotate(percentage(delta)))
3364                                    },
3365                                )
3366                                .into_any_element(),
3367                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3368                                .size(IconSize::Small)
3369                                .color(Color::Success)
3370                                .into_any_element(),
3371                        })
3372                        .child(MarkdownElement::new(
3373                            entry.content.clone(),
3374                            plan_label_markdown_style(&entry.status, window, cx),
3375                        )),
3376                );
3377
3378            Some(element)
3379        }))
3380    }
3381
3382    fn render_edits_summary(
3383        &self,
3384        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3385        expanded: bool,
3386        pending_edits: bool,
3387        window: &mut Window,
3388        cx: &Context<Self>,
3389    ) -> Div {
3390        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3391
3392        let focus_handle = self.focus_handle(cx);
3393
3394        h_flex()
3395            .p_1()
3396            .justify_between()
3397            .flex_wrap()
3398            .when(expanded, |this| {
3399                this.border_b_1().border_color(cx.theme().colors().border)
3400            })
3401            .child(
3402                h_flex()
3403                    .id("edits-container")
3404                    .gap_1()
3405                    .child(Disclosure::new("edits-disclosure", expanded))
3406                    .map(|this| {
3407                        if pending_edits {
3408                            this.child(
3409                                Label::new(format!(
3410                                    "Editing {} {}",
3411                                    changed_buffers.len(),
3412                                    if changed_buffers.len() == 1 {
3413                                        "file"
3414                                    } else {
3415                                        "files"
3416                                    }
3417                                ))
3418                                .color(Color::Muted)
3419                                .size(LabelSize::Small)
3420                                .with_animation(
3421                                    "edit-label",
3422                                    Animation::new(Duration::from_secs(2))
3423                                        .repeat()
3424                                        .with_easing(pulsating_between(0.3, 0.7)),
3425                                    |label, delta| label.alpha(delta),
3426                                ),
3427                            )
3428                        } else {
3429                            this.child(
3430                                Label::new("Edits")
3431                                    .size(LabelSize::Small)
3432                                    .color(Color::Muted),
3433                            )
3434                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3435                            .child(
3436                                Label::new(format!(
3437                                    "{} {}",
3438                                    changed_buffers.len(),
3439                                    if changed_buffers.len() == 1 {
3440                                        "file"
3441                                    } else {
3442                                        "files"
3443                                    }
3444                                ))
3445                                .size(LabelSize::Small)
3446                                .color(Color::Muted),
3447                            )
3448                        }
3449                    })
3450                    .on_click(cx.listener(|this, _, _, cx| {
3451                        this.edits_expanded = !this.edits_expanded;
3452                        cx.notify();
3453                    })),
3454            )
3455            .child(
3456                h_flex()
3457                    .gap_1()
3458                    .child(
3459                        IconButton::new("review-changes", IconName::ListTodo)
3460                            .icon_size(IconSize::Small)
3461                            .tooltip({
3462                                let focus_handle = focus_handle.clone();
3463                                move |window, cx| {
3464                                    Tooltip::for_action_in(
3465                                        "Review Changes",
3466                                        &OpenAgentDiff,
3467                                        &focus_handle,
3468                                        window,
3469                                        cx,
3470                                    )
3471                                }
3472                            })
3473                            .on_click(cx.listener(|_, _, window, cx| {
3474                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3475                            })),
3476                    )
3477                    .child(Divider::vertical().color(DividerColor::Border))
3478                    .child(
3479                        Button::new("reject-all-changes", "Reject All")
3480                            .label_size(LabelSize::Small)
3481                            .disabled(pending_edits)
3482                            .when(pending_edits, |this| {
3483                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3484                            })
3485                            .key_binding(
3486                                KeyBinding::for_action_in(
3487                                    &RejectAll,
3488                                    &focus_handle.clone(),
3489                                    window,
3490                                    cx,
3491                                )
3492                                .map(|kb| kb.size(rems_from_px(10.))),
3493                            )
3494                            .on_click(cx.listener(move |this, _, window, cx| {
3495                                this.reject_all(&RejectAll, window, cx);
3496                            })),
3497                    )
3498                    .child(
3499                        Button::new("keep-all-changes", "Keep All")
3500                            .label_size(LabelSize::Small)
3501                            .disabled(pending_edits)
3502                            .when(pending_edits, |this| {
3503                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3504                            })
3505                            .key_binding(
3506                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3507                                    .map(|kb| kb.size(rems_from_px(10.))),
3508                            )
3509                            .on_click(cx.listener(move |this, _, window, cx| {
3510                                this.keep_all(&KeepAll, window, cx);
3511                            })),
3512                    ),
3513            )
3514    }
3515
3516    fn render_edited_files(
3517        &self,
3518        action_log: &Entity<ActionLog>,
3519        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3520        pending_edits: bool,
3521        cx: &Context<Self>,
3522    ) -> Div {
3523        let editor_bg_color = cx.theme().colors().editor_background;
3524
3525        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3526            |(index, (buffer, _diff))| {
3527                let file = buffer.read(cx).file()?;
3528                let path = file.path();
3529
3530                let file_path = path.parent().and_then(|parent| {
3531                    let parent_str = parent.to_string_lossy();
3532
3533                    if parent_str.is_empty() {
3534                        None
3535                    } else {
3536                        Some(
3537                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3538                                .color(Color::Muted)
3539                                .size(LabelSize::XSmall)
3540                                .buffer_font(cx),
3541                        )
3542                    }
3543                });
3544
3545                let file_name = path.file_name().map(|name| {
3546                    Label::new(name.to_string_lossy().to_string())
3547                        .size(LabelSize::XSmall)
3548                        .buffer_font(cx)
3549                });
3550
3551                let file_icon = FileIcons::get_icon(path, cx)
3552                    .map(Icon::from_path)
3553                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3554                    .unwrap_or_else(|| {
3555                        Icon::new(IconName::File)
3556                            .color(Color::Muted)
3557                            .size(IconSize::Small)
3558                    });
3559
3560                let overlay_gradient = linear_gradient(
3561                    90.,
3562                    linear_color_stop(editor_bg_color, 1.),
3563                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3564                );
3565
3566                let element = h_flex()
3567                    .group("edited-code")
3568                    .id(("file-container", index))
3569                    .py_1()
3570                    .pl_2()
3571                    .pr_1()
3572                    .gap_2()
3573                    .justify_between()
3574                    .bg(editor_bg_color)
3575                    .when(index < changed_buffers.len() - 1, |parent| {
3576                        parent.border_color(cx.theme().colors().border).border_b_1()
3577                    })
3578                    .child(
3579                        h_flex()
3580                            .relative()
3581                            .id(("file-name", index))
3582                            .pr_8()
3583                            .gap_1p5()
3584                            .max_w_full()
3585                            .overflow_x_scroll()
3586                            .child(file_icon)
3587                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3588                            .child(
3589                                div()
3590                                    .absolute()
3591                                    .h_full()
3592                                    .w_12()
3593                                    .top_0()
3594                                    .bottom_0()
3595                                    .right_0()
3596                                    .bg(overlay_gradient),
3597                            )
3598                            .on_click({
3599                                let buffer = buffer.clone();
3600                                cx.listener(move |this, _, window, cx| {
3601                                    this.open_edited_buffer(&buffer, window, cx);
3602                                })
3603                            }),
3604                    )
3605                    .child(
3606                        h_flex()
3607                            .gap_1()
3608                            .visible_on_hover("edited-code")
3609                            .child(
3610                                Button::new("review", "Review")
3611                                    .label_size(LabelSize::Small)
3612                                    .on_click({
3613                                        let buffer = buffer.clone();
3614                                        cx.listener(move |this, _, window, cx| {
3615                                            this.open_edited_buffer(&buffer, window, cx);
3616                                        })
3617                                    }),
3618                            )
3619                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3620                            .child(
3621                                Button::new("reject-file", "Reject")
3622                                    .label_size(LabelSize::Small)
3623                                    .disabled(pending_edits)
3624                                    .on_click({
3625                                        let buffer = buffer.clone();
3626                                        let action_log = action_log.clone();
3627                                        move |_, _, cx| {
3628                                            action_log.update(cx, |action_log, cx| {
3629                                                action_log
3630                                                    .reject_edits_in_ranges(
3631                                                        buffer.clone(),
3632                                                        vec![Anchor::MIN..Anchor::MAX],
3633                                                        cx,
3634                                                    )
3635                                                    .detach_and_log_err(cx);
3636                                            })
3637                                        }
3638                                    }),
3639                            )
3640                            .child(
3641                                Button::new("keep-file", "Keep")
3642                                    .label_size(LabelSize::Small)
3643                                    .disabled(pending_edits)
3644                                    .on_click({
3645                                        let buffer = buffer.clone();
3646                                        let action_log = action_log.clone();
3647                                        move |_, _, cx| {
3648                                            action_log.update(cx, |action_log, cx| {
3649                                                action_log.keep_edits_in_range(
3650                                                    buffer.clone(),
3651                                                    Anchor::MIN..Anchor::MAX,
3652                                                    cx,
3653                                                );
3654                                            })
3655                                        }
3656                                    }),
3657                            ),
3658                    );
3659
3660                Some(element)
3661            },
3662        ))
3663    }
3664
3665    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3666        let focus_handle = self.message_editor.focus_handle(cx);
3667        let editor_bg_color = cx.theme().colors().editor_background;
3668        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3669            (IconName::Minimize, "Minimize Message Editor")
3670        } else {
3671            (IconName::Maximize, "Expand Message Editor")
3672        };
3673
3674        let backdrop = div()
3675            .size_full()
3676            .absolute()
3677            .inset_0()
3678            .bg(cx.theme().colors().panel_background)
3679            .opacity(0.8)
3680            .block_mouse_except_scroll();
3681
3682        let enable_editor = match self.thread_state {
3683            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3684            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3685        };
3686
3687        v_flex()
3688            .on_action(cx.listener(Self::expand_message_editor))
3689            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3690                if let Some(profile_selector) = this.profile_selector.as_ref() {
3691                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3692                }
3693            }))
3694            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3695                if let Some(model_selector) = this.model_selector.as_ref() {
3696                    model_selector
3697                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3698                }
3699            }))
3700            .p_2()
3701            .gap_2()
3702            .border_t_1()
3703            .border_color(cx.theme().colors().border)
3704            .bg(editor_bg_color)
3705            .when(self.editor_expanded, |this| {
3706                this.h(vh(0.8, window)).size_full().justify_between()
3707            })
3708            .child(
3709                v_flex()
3710                    .relative()
3711                    .size_full()
3712                    .pt_1()
3713                    .pr_2p5()
3714                    .child(self.message_editor.clone())
3715                    .child(
3716                        h_flex()
3717                            .absolute()
3718                            .top_0()
3719                            .right_0()
3720                            .opacity(0.5)
3721                            .hover(|this| this.opacity(1.0))
3722                            .child(
3723                                IconButton::new("toggle-height", expand_icon)
3724                                    .icon_size(IconSize::Small)
3725                                    .icon_color(Color::Muted)
3726                                    .tooltip({
3727                                        move |window, cx| {
3728                                            Tooltip::for_action_in(
3729                                                expand_tooltip,
3730                                                &ExpandMessageEditor,
3731                                                &focus_handle,
3732                                                window,
3733                                                cx,
3734                                            )
3735                                        }
3736                                    })
3737                                    .on_click(cx.listener(|_, _, window, cx| {
3738                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3739                                    })),
3740                            ),
3741                    ),
3742            )
3743            .child(
3744                h_flex()
3745                    .flex_none()
3746                    .flex_wrap()
3747                    .justify_between()
3748                    .child(
3749                        h_flex()
3750                            .child(self.render_follow_toggle(cx))
3751                            .children(self.render_burn_mode_toggle(cx)),
3752                    )
3753                    .child(
3754                        h_flex()
3755                            .gap_1()
3756                            .children(self.render_token_usage(cx))
3757                            .children(self.profile_selector.clone())
3758                            .children(self.model_selector.clone())
3759                            .child(self.render_send_button(cx)),
3760                    ),
3761            )
3762            .when(!enable_editor, |this| this.child(backdrop))
3763            .into_any()
3764    }
3765
3766    pub(crate) fn as_native_connection(
3767        &self,
3768        cx: &App,
3769    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3770        let acp_thread = self.thread()?.read(cx);
3771        acp_thread.connection().clone().downcast()
3772    }
3773
3774    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3775        let acp_thread = self.thread()?.read(cx);
3776        self.as_native_connection(cx)?
3777            .thread(acp_thread.session_id(), cx)
3778    }
3779
3780    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3781        self.as_native_thread(cx)
3782            .and_then(|thread| thread.read(cx).model())
3783            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3784    }
3785
3786    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3787        let thread = self.thread()?.read(cx);
3788        let usage = thread.token_usage()?;
3789        let is_generating = thread.status() != ThreadStatus::Idle;
3790
3791        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3792        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3793
3794        Some(
3795            h_flex()
3796                .flex_shrink_0()
3797                .gap_0p5()
3798                .mr_1p5()
3799                .child(
3800                    Label::new(used)
3801                        .size(LabelSize::Small)
3802                        .color(Color::Muted)
3803                        .map(|label| {
3804                            if is_generating {
3805                                label
3806                                    .with_animation(
3807                                        "used-tokens-label",
3808                                        Animation::new(Duration::from_secs(2))
3809                                            .repeat()
3810                                            .with_easing(pulsating_between(0.3, 0.8)),
3811                                        |label, delta| label.alpha(delta),
3812                                    )
3813                                    .into_any()
3814                            } else {
3815                                label.into_any_element()
3816                            }
3817                        }),
3818                )
3819                .child(
3820                    Label::new("/")
3821                        .size(LabelSize::Small)
3822                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3823                )
3824                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3825        )
3826    }
3827
3828    fn toggle_burn_mode(
3829        &mut self,
3830        _: &ToggleBurnMode,
3831        _window: &mut Window,
3832        cx: &mut Context<Self>,
3833    ) {
3834        let Some(thread) = self.as_native_thread(cx) else {
3835            return;
3836        };
3837
3838        thread.update(cx, |thread, cx| {
3839            let current_mode = thread.completion_mode();
3840            thread.set_completion_mode(
3841                match current_mode {
3842                    CompletionMode::Burn => CompletionMode::Normal,
3843                    CompletionMode::Normal => CompletionMode::Burn,
3844                },
3845                cx,
3846            );
3847        });
3848    }
3849
3850    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3851        let Some(thread) = self.thread() else {
3852            return;
3853        };
3854        let action_log = thread.read(cx).action_log().clone();
3855        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3856    }
3857
3858    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3859        let Some(thread) = self.thread() else {
3860            return;
3861        };
3862        let action_log = thread.read(cx).action_log().clone();
3863        action_log
3864            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3865            .detach();
3866    }
3867
3868    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3869        let thread = self.as_native_thread(cx)?.read(cx);
3870
3871        if thread
3872            .model()
3873            .is_none_or(|model| !model.supports_burn_mode())
3874        {
3875            return None;
3876        }
3877
3878        let active_completion_mode = thread.completion_mode();
3879        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3880        let icon = if burn_mode_enabled {
3881            IconName::ZedBurnModeOn
3882        } else {
3883            IconName::ZedBurnMode
3884        };
3885
3886        Some(
3887            IconButton::new("burn-mode", icon)
3888                .icon_size(IconSize::Small)
3889                .icon_color(Color::Muted)
3890                .toggle_state(burn_mode_enabled)
3891                .selected_icon_color(Color::Error)
3892                .on_click(cx.listener(|this, _event, window, cx| {
3893                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3894                }))
3895                .tooltip(move |_window, cx| {
3896                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3897                        .into()
3898                })
3899                .into_any_element(),
3900        )
3901    }
3902
3903    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3904        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3905        let is_generating = self
3906            .thread()
3907            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3908
3909        if self.is_loading_contents {
3910            div()
3911                .id("loading-message-content")
3912                .px_1()
3913                .tooltip(Tooltip::text("Loading Added Context…"))
3914                .child(loading_contents_spinner(IconSize::default()))
3915                .into_any_element()
3916        } else if is_generating && is_editor_empty {
3917            IconButton::new("stop-generation", IconName::Stop)
3918                .icon_color(Color::Error)
3919                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3920                .tooltip(move |window, cx| {
3921                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3922                })
3923                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3924                .into_any_element()
3925        } else {
3926            let send_btn_tooltip = if is_editor_empty && !is_generating {
3927                "Type to Send"
3928            } else if is_generating {
3929                "Stop and Send Message"
3930            } else {
3931                "Send"
3932            };
3933
3934            IconButton::new("send-message", IconName::Send)
3935                .style(ButtonStyle::Filled)
3936                .map(|this| {
3937                    if is_editor_empty && !is_generating {
3938                        this.disabled(true).icon_color(Color::Muted)
3939                    } else {
3940                        this.icon_color(Color::Accent)
3941                    }
3942                })
3943                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3944                .on_click(cx.listener(|this, _, window, cx| {
3945                    this.send(window, cx);
3946                }))
3947                .into_any_element()
3948        }
3949    }
3950
3951    fn is_following(&self, cx: &App) -> bool {
3952        match self.thread().map(|thread| thread.read(cx).status()) {
3953            Some(ThreadStatus::Generating) => self
3954                .workspace
3955                .read_with(cx, |workspace, _| {
3956                    workspace.is_being_followed(CollaboratorId::Agent)
3957                })
3958                .unwrap_or(false),
3959            _ => self.should_be_following,
3960        }
3961    }
3962
3963    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3964        let following = self.is_following(cx);
3965
3966        self.should_be_following = !following;
3967        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
3968            self.workspace
3969                .update(cx, |workspace, cx| {
3970                    if following {
3971                        workspace.unfollow(CollaboratorId::Agent, window, cx);
3972                    } else {
3973                        workspace.follow(CollaboratorId::Agent, window, cx);
3974                    }
3975                })
3976                .ok();
3977        }
3978
3979        telemetry::event!("Follow Agent Selected", following = !following);
3980    }
3981
3982    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3983        let following = self.is_following(cx);
3984
3985        let tooltip_label = if following {
3986            if self.agent.name() == "Zed Agent" {
3987                format!("Stop Following the {}", self.agent.name())
3988            } else {
3989                format!("Stop Following {}", self.agent.name())
3990            }
3991        } else {
3992            if self.agent.name() == "Zed Agent" {
3993                format!("Follow the {}", self.agent.name())
3994            } else {
3995                format!("Follow {}", self.agent.name())
3996            }
3997        };
3998
3999        IconButton::new("follow-agent", IconName::Crosshair)
4000            .icon_size(IconSize::Small)
4001            .icon_color(Color::Muted)
4002            .toggle_state(following)
4003            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4004            .tooltip(move |window, cx| {
4005                if following {
4006                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
4007                } else {
4008                    Tooltip::with_meta(
4009                        tooltip_label.clone(),
4010                        Some(&Follow),
4011                        "Track the agent's location as it reads and edits files.",
4012                        window,
4013                        cx,
4014                    )
4015                }
4016            })
4017            .on_click(cx.listener(move |this, _, window, cx| {
4018                this.toggle_following(window, cx);
4019            }))
4020    }
4021
4022    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4023        let workspace = self.workspace.clone();
4024        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4025            Self::open_link(text, &workspace, window, cx);
4026        })
4027    }
4028
4029    fn open_link(
4030        url: SharedString,
4031        workspace: &WeakEntity<Workspace>,
4032        window: &mut Window,
4033        cx: &mut App,
4034    ) {
4035        let Some(workspace) = workspace.upgrade() else {
4036            cx.open_url(&url);
4037            return;
4038        };
4039
4040        if let Some(mention) = MentionUri::parse(&url).log_err() {
4041            workspace.update(cx, |workspace, cx| match mention {
4042                MentionUri::File { abs_path } => {
4043                    let project = workspace.project();
4044                    let Some(path) =
4045                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4046                    else {
4047                        return;
4048                    };
4049
4050                    workspace
4051                        .open_path(path, None, true, window, cx)
4052                        .detach_and_log_err(cx);
4053                }
4054                MentionUri::PastedImage => {}
4055                MentionUri::Directory { abs_path } => {
4056                    let project = workspace.project();
4057                    let Some(entry) = project.update(cx, |project, cx| {
4058                        let path = project.find_project_path(abs_path, cx)?;
4059                        project.entry_for_path(&path, cx)
4060                    }) else {
4061                        return;
4062                    };
4063
4064                    project.update(cx, |_, cx| {
4065                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
4066                    });
4067                }
4068                MentionUri::Symbol {
4069                    abs_path: path,
4070                    line_range,
4071                    ..
4072                }
4073                | MentionUri::Selection {
4074                    abs_path: Some(path),
4075                    line_range,
4076                } => {
4077                    let project = workspace.project();
4078                    let Some((path, _)) = project.update(cx, |project, cx| {
4079                        let path = project.find_project_path(path, cx)?;
4080                        let entry = project.entry_for_path(&path, cx)?;
4081                        Some((path, entry))
4082                    }) else {
4083                        return;
4084                    };
4085
4086                    let item = workspace.open_path(path, None, true, window, cx);
4087                    window
4088                        .spawn(cx, async move |cx| {
4089                            let Some(editor) = item.await?.downcast::<Editor>() else {
4090                                return Ok(());
4091                            };
4092                            let range = Point::new(*line_range.start(), 0)
4093                                ..Point::new(*line_range.start(), 0);
4094                            editor
4095                                .update_in(cx, |editor, window, cx| {
4096                                    editor.change_selections(
4097                                        SelectionEffects::scroll(Autoscroll::center()),
4098                                        window,
4099                                        cx,
4100                                        |s| s.select_ranges(vec![range]),
4101                                    );
4102                                })
4103                                .ok();
4104                            anyhow::Ok(())
4105                        })
4106                        .detach_and_log_err(cx);
4107                }
4108                MentionUri::Selection { abs_path: None, .. } => {}
4109                MentionUri::Thread { id, name } => {
4110                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4111                        panel.update(cx, |panel, cx| {
4112                            panel.load_agent_thread(
4113                                DbThreadMetadata {
4114                                    id,
4115                                    title: name.into(),
4116                                    updated_at: Default::default(),
4117                                },
4118                                window,
4119                                cx,
4120                            )
4121                        });
4122                    }
4123                }
4124                MentionUri::TextThread { path, .. } => {
4125                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4126                        panel.update(cx, |panel, cx| {
4127                            panel
4128                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
4129                                .detach_and_log_err(cx);
4130                        });
4131                    }
4132                }
4133                MentionUri::Rule { id, .. } => {
4134                    let PromptId::User { uuid } = id else {
4135                        return;
4136                    };
4137                    window.dispatch_action(
4138                        Box::new(OpenRulesLibrary {
4139                            prompt_to_select: Some(uuid.0),
4140                        }),
4141                        cx,
4142                    )
4143                }
4144                MentionUri::Fetch { url } => {
4145                    cx.open_url(url.as_str());
4146                }
4147            })
4148        } else {
4149            cx.open_url(&url);
4150        }
4151    }
4152
4153    fn open_tool_call_location(
4154        &self,
4155        entry_ix: usize,
4156        location_ix: usize,
4157        window: &mut Window,
4158        cx: &mut Context<Self>,
4159    ) -> Option<()> {
4160        let (tool_call_location, agent_location) = self
4161            .thread()?
4162            .read(cx)
4163            .entries()
4164            .get(entry_ix)?
4165            .location(location_ix)?;
4166
4167        let project_path = self
4168            .project
4169            .read(cx)
4170            .find_project_path(&tool_call_location.path, cx)?;
4171
4172        let open_task = self
4173            .workspace
4174            .update(cx, |workspace, cx| {
4175                workspace.open_path(project_path, None, true, window, cx)
4176            })
4177            .log_err()?;
4178        window
4179            .spawn(cx, async move |cx| {
4180                let item = open_task.await?;
4181
4182                let Some(active_editor) = item.downcast::<Editor>() else {
4183                    return anyhow::Ok(());
4184                };
4185
4186                active_editor.update_in(cx, |editor, window, cx| {
4187                    let multibuffer = editor.buffer().read(cx);
4188                    let buffer = multibuffer.as_singleton();
4189                    if agent_location.buffer.upgrade() == buffer {
4190                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4191                        let anchor = editor::Anchor::in_buffer(
4192                            excerpt_id.unwrap(),
4193                            buffer.unwrap().read(cx).remote_id(),
4194                            agent_location.position,
4195                        );
4196                        editor.change_selections(Default::default(), window, cx, |selections| {
4197                            selections.select_anchor_ranges([anchor..anchor]);
4198                        })
4199                    } else {
4200                        let row = tool_call_location.line.unwrap_or_default();
4201                        editor.change_selections(Default::default(), window, cx, |selections| {
4202                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4203                        })
4204                    }
4205                })?;
4206
4207                anyhow::Ok(())
4208            })
4209            .detach_and_log_err(cx);
4210
4211        None
4212    }
4213
4214    pub fn open_thread_as_markdown(
4215        &self,
4216        workspace: Entity<Workspace>,
4217        window: &mut Window,
4218        cx: &mut App,
4219    ) -> Task<Result<()>> {
4220        let markdown_language_task = workspace
4221            .read(cx)
4222            .app_state()
4223            .languages
4224            .language_for_name("Markdown");
4225
4226        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4227            let thread = thread.read(cx);
4228            (thread.title().to_string(), thread.to_markdown(cx))
4229        } else {
4230            return Task::ready(Ok(()));
4231        };
4232
4233        window.spawn(cx, async move |cx| {
4234            let markdown_language = markdown_language_task.await?;
4235
4236            workspace.update_in(cx, |workspace, window, cx| {
4237                let project = workspace.project().clone();
4238
4239                if !project.read(cx).is_local() {
4240                    bail!("failed to open active thread as markdown in remote project");
4241                }
4242
4243                let buffer = project.update(cx, |project, cx| {
4244                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
4245                });
4246                let buffer = cx.new(|cx| {
4247                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4248                });
4249
4250                workspace.add_item_to_active_pane(
4251                    Box::new(cx.new(|cx| {
4252                        let mut editor =
4253                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4254                        editor.set_breadcrumb_header(thread_summary);
4255                        editor
4256                    })),
4257                    None,
4258                    true,
4259                    window,
4260                    cx,
4261                );
4262
4263                anyhow::Ok(())
4264            })??;
4265            anyhow::Ok(())
4266        })
4267    }
4268
4269    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4270        self.list_state.scroll_to(ListOffset::default());
4271        cx.notify();
4272    }
4273
4274    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4275        if let Some(thread) = self.thread() {
4276            let entry_count = thread.read(cx).entries().len();
4277            self.list_state.reset(entry_count);
4278            cx.notify();
4279        }
4280    }
4281
4282    fn notify_with_sound(
4283        &mut self,
4284        caption: impl Into<SharedString>,
4285        icon: IconName,
4286        window: &mut Window,
4287        cx: &mut Context<Self>,
4288    ) {
4289        self.play_notification_sound(window, cx);
4290        self.show_notification(caption, icon, window, cx);
4291    }
4292
4293    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4294        let settings = AgentSettings::get_global(cx);
4295        if settings.play_sound_when_agent_done && !window.is_window_active() {
4296            Audio::play_sound(Sound::AgentDone, cx);
4297        }
4298    }
4299
4300    fn show_notification(
4301        &mut self,
4302        caption: impl Into<SharedString>,
4303        icon: IconName,
4304        window: &mut Window,
4305        cx: &mut Context<Self>,
4306    ) {
4307        if window.is_window_active() || !self.notifications.is_empty() {
4308            return;
4309        }
4310
4311        // TODO: Change this once we have title summarization for external agents.
4312        let title = self.agent.name();
4313
4314        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4315            NotifyWhenAgentWaiting::PrimaryScreen => {
4316                if let Some(primary) = cx.primary_display() {
4317                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4318                }
4319            }
4320            NotifyWhenAgentWaiting::AllScreens => {
4321                let caption = caption.into();
4322                for screen in cx.displays() {
4323                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4324                }
4325            }
4326            NotifyWhenAgentWaiting::Never => {
4327                // Don't show anything
4328            }
4329        }
4330    }
4331
4332    fn pop_up(
4333        &mut self,
4334        icon: IconName,
4335        caption: SharedString,
4336        title: SharedString,
4337        window: &mut Window,
4338        screen: Rc<dyn PlatformDisplay>,
4339        cx: &mut Context<Self>,
4340    ) {
4341        let options = AgentNotification::window_options(screen, cx);
4342
4343        let project_name = self.workspace.upgrade().and_then(|workspace| {
4344            workspace
4345                .read(cx)
4346                .project()
4347                .read(cx)
4348                .visible_worktrees(cx)
4349                .next()
4350                .map(|worktree| worktree.read(cx).root_name().to_string())
4351        });
4352
4353        if let Some(screen_window) = cx
4354            .open_window(options, |_, cx| {
4355                cx.new(|_| {
4356                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4357                })
4358            })
4359            .log_err()
4360            && let Some(pop_up) = screen_window.entity(cx).log_err()
4361        {
4362            self.notification_subscriptions
4363                .entry(screen_window)
4364                .or_insert_with(Vec::new)
4365                .push(cx.subscribe_in(&pop_up, window, {
4366                    |this, _, event, window, cx| match event {
4367                        AgentNotificationEvent::Accepted => {
4368                            let handle = window.window_handle();
4369                            cx.activate(true);
4370
4371                            let workspace_handle = this.workspace.clone();
4372
4373                            // If there are multiple Zed windows, activate the correct one.
4374                            cx.defer(move |cx| {
4375                                handle
4376                                    .update(cx, |_view, window, _cx| {
4377                                        window.activate_window();
4378
4379                                        if let Some(workspace) = workspace_handle.upgrade() {
4380                                            workspace.update(_cx, |workspace, cx| {
4381                                                workspace.focus_panel::<AgentPanel>(window, cx);
4382                                            });
4383                                        }
4384                                    })
4385                                    .log_err();
4386                            });
4387
4388                            this.dismiss_notifications(cx);
4389                        }
4390                        AgentNotificationEvent::Dismissed => {
4391                            this.dismiss_notifications(cx);
4392                        }
4393                    }
4394                }));
4395
4396            self.notifications.push(screen_window);
4397
4398            // If the user manually refocuses the original window, dismiss the popup.
4399            self.notification_subscriptions
4400                .entry(screen_window)
4401                .or_insert_with(Vec::new)
4402                .push({
4403                    let pop_up_weak = pop_up.downgrade();
4404
4405                    cx.observe_window_activation(window, move |_, window, cx| {
4406                        if window.is_window_active()
4407                            && let Some(pop_up) = pop_up_weak.upgrade()
4408                        {
4409                            pop_up.update(cx, |_, cx| {
4410                                cx.emit(AgentNotificationEvent::Dismissed);
4411                            });
4412                        }
4413                    })
4414                });
4415        }
4416    }
4417
4418    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4419        for window in self.notifications.drain(..) {
4420            window
4421                .update(cx, |_, window, _| {
4422                    window.remove_window();
4423                })
4424                .ok();
4425
4426            self.notification_subscriptions.remove(&window);
4427        }
4428    }
4429
4430    fn render_thread_controls(
4431        &self,
4432        thread: &Entity<AcpThread>,
4433        cx: &Context<Self>,
4434    ) -> impl IntoElement {
4435        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4436        if is_generating {
4437            return h_flex().id("thread-controls-container").child(
4438                div()
4439                    .py_2()
4440                    .px(rems_from_px(22.))
4441                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4442            );
4443        }
4444
4445        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4446            .shape(ui::IconButtonShape::Square)
4447            .icon_size(IconSize::Small)
4448            .icon_color(Color::Ignored)
4449            .tooltip(Tooltip::text("Open Thread as Markdown"))
4450            .on_click(cx.listener(move |this, _, window, cx| {
4451                if let Some(workspace) = this.workspace.upgrade() {
4452                    this.open_thread_as_markdown(workspace, window, cx)
4453                        .detach_and_log_err(cx);
4454                }
4455            }));
4456
4457        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4458            .shape(ui::IconButtonShape::Square)
4459            .icon_size(IconSize::Small)
4460            .icon_color(Color::Ignored)
4461            .tooltip(Tooltip::text("Scroll To Top"))
4462            .on_click(cx.listener(move |this, _, _, cx| {
4463                this.scroll_to_top(cx);
4464            }));
4465
4466        let mut container = h_flex()
4467            .id("thread-controls-container")
4468            .group("thread-controls-container")
4469            .w_full()
4470            .py_2()
4471            .px_5()
4472            .gap_px()
4473            .opacity(0.6)
4474            .hover(|style| style.opacity(1.))
4475            .flex_wrap()
4476            .justify_end();
4477
4478        if AgentSettings::get_global(cx).enable_feedback
4479            && self
4480                .thread()
4481                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4482        {
4483            let feedback = self.thread_feedback.feedback;
4484
4485            container = container
4486                .child(
4487                    div().visible_on_hover("thread-controls-container").child(
4488                        Label::new(match feedback {
4489                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4490                            Some(ThreadFeedback::Negative) => {
4491                                "We appreciate your feedback and will use it to improve."
4492                            }
4493                            None => {
4494                                "Rating the thread sends all of your current conversation to the Zed team."
4495                            }
4496                        })
4497                        .color(Color::Muted)
4498                        .size(LabelSize::XSmall)
4499                        .truncate(),
4500                    ),
4501                )
4502                .child(
4503                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4504                        .shape(ui::IconButtonShape::Square)
4505                        .icon_size(IconSize::Small)
4506                        .icon_color(match feedback {
4507                            Some(ThreadFeedback::Positive) => Color::Accent,
4508                            _ => Color::Ignored,
4509                        })
4510                        .tooltip(Tooltip::text("Helpful Response"))
4511                        .on_click(cx.listener(move |this, _, window, cx| {
4512                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4513                        })),
4514                )
4515                .child(
4516                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4517                        .shape(ui::IconButtonShape::Square)
4518                        .icon_size(IconSize::Small)
4519                        .icon_color(match feedback {
4520                            Some(ThreadFeedback::Negative) => Color::Accent,
4521                            _ => Color::Ignored,
4522                        })
4523                        .tooltip(Tooltip::text("Not Helpful"))
4524                        .on_click(cx.listener(move |this, _, window, cx| {
4525                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4526                        })),
4527                );
4528        }
4529
4530        container.child(open_as_markdown).child(scroll_to_top)
4531    }
4532
4533    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4534        h_flex()
4535            .key_context("AgentFeedbackMessageEditor")
4536            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4537                this.thread_feedback.dismiss_comments();
4538                cx.notify();
4539            }))
4540            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4541                this.submit_feedback_message(cx);
4542            }))
4543            .p_2()
4544            .mb_2()
4545            .mx_5()
4546            .gap_1()
4547            .rounded_md()
4548            .border_1()
4549            .border_color(cx.theme().colors().border)
4550            .bg(cx.theme().colors().editor_background)
4551            .child(div().w_full().child(editor))
4552            .child(
4553                h_flex()
4554                    .child(
4555                        IconButton::new("dismiss-feedback-message", IconName::Close)
4556                            .icon_color(Color::Error)
4557                            .icon_size(IconSize::XSmall)
4558                            .shape(ui::IconButtonShape::Square)
4559                            .on_click(cx.listener(move |this, _, _window, cx| {
4560                                this.thread_feedback.dismiss_comments();
4561                                cx.notify();
4562                            })),
4563                    )
4564                    .child(
4565                        IconButton::new("submit-feedback-message", IconName::Return)
4566                            .icon_size(IconSize::XSmall)
4567                            .shape(ui::IconButtonShape::Square)
4568                            .on_click(cx.listener(move |this, _, _window, cx| {
4569                                this.submit_feedback_message(cx);
4570                            })),
4571                    ),
4572            )
4573    }
4574
4575    fn handle_feedback_click(
4576        &mut self,
4577        feedback: ThreadFeedback,
4578        window: &mut Window,
4579        cx: &mut Context<Self>,
4580    ) {
4581        let Some(thread) = self.thread().cloned() else {
4582            return;
4583        };
4584
4585        self.thread_feedback.submit(thread, feedback, window, cx);
4586        cx.notify();
4587    }
4588
4589    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4590        let Some(thread) = self.thread().cloned() else {
4591            return;
4592        };
4593
4594        self.thread_feedback.submit_comments(thread, cx);
4595        cx.notify();
4596    }
4597
4598    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4599        div()
4600            .id("acp-thread-scrollbar")
4601            .occlude()
4602            .on_mouse_move(cx.listener(|_, _, _, cx| {
4603                cx.notify();
4604                cx.stop_propagation()
4605            }))
4606            .on_hover(|_, _, cx| {
4607                cx.stop_propagation();
4608            })
4609            .on_any_mouse_down(|_, _, cx| {
4610                cx.stop_propagation();
4611            })
4612            .on_mouse_up(
4613                MouseButton::Left,
4614                cx.listener(|_, _, _, cx| {
4615                    cx.stop_propagation();
4616                }),
4617            )
4618            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4619                cx.notify();
4620            }))
4621            .h_full()
4622            .absolute()
4623            .right_1()
4624            .top_1()
4625            .bottom_0()
4626            .w(px(12.))
4627            .cursor_default()
4628            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4629    }
4630
4631    fn render_token_limit_callout(
4632        &self,
4633        line_height: Pixels,
4634        cx: &mut Context<Self>,
4635    ) -> Option<Callout> {
4636        let token_usage = self.thread()?.read(cx).token_usage()?;
4637        let ratio = token_usage.ratio();
4638
4639        let (severity, title) = match ratio {
4640            acp_thread::TokenUsageRatio::Normal => return None,
4641            acp_thread::TokenUsageRatio::Warning => {
4642                (Severity::Warning, "Thread reaching the token limit soon")
4643            }
4644            acp_thread::TokenUsageRatio::Exceeded => {
4645                (Severity::Error, "Thread reached the token limit")
4646            }
4647        };
4648
4649        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4650            thread.read(cx).completion_mode() == CompletionMode::Normal
4651                && thread
4652                    .read(cx)
4653                    .model()
4654                    .is_some_and(|model| model.supports_burn_mode())
4655        });
4656
4657        let description = if burn_mode_available {
4658            "To continue, start a new thread from a summary or turn Burn Mode on."
4659        } else {
4660            "To continue, start a new thread from a summary."
4661        };
4662
4663        Some(
4664            Callout::new()
4665                .severity(severity)
4666                .line_height(line_height)
4667                .title(title)
4668                .description(description)
4669                .actions_slot(
4670                    h_flex()
4671                        .gap_0p5()
4672                        .child(
4673                            Button::new("start-new-thread", "Start New Thread")
4674                                .label_size(LabelSize::Small)
4675                                .on_click(cx.listener(|this, _, window, cx| {
4676                                    let Some(thread) = this.thread() else {
4677                                        return;
4678                                    };
4679                                    let session_id = thread.read(cx).session_id().clone();
4680                                    window.dispatch_action(
4681                                        crate::NewNativeAgentThreadFromSummary {
4682                                            from_session_id: session_id,
4683                                        }
4684                                        .boxed_clone(),
4685                                        cx,
4686                                    );
4687                                })),
4688                        )
4689                        .when(burn_mode_available, |this| {
4690                            this.child(
4691                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4692                                    .icon_size(IconSize::XSmall)
4693                                    .on_click(cx.listener(|this, _event, window, cx| {
4694                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4695                                    })),
4696                            )
4697                        }),
4698                ),
4699        )
4700    }
4701
4702    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4703        if !self.is_using_zed_ai_models(cx) {
4704            return None;
4705        }
4706
4707        let user_store = self.project.read(cx).user_store().read(cx);
4708        if user_store.is_usage_based_billing_enabled() {
4709            return None;
4710        }
4711
4712        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4713
4714        let usage = user_store.model_request_usage()?;
4715
4716        Some(
4717            div()
4718                .child(UsageCallout::new(plan, usage))
4719                .line_height(line_height),
4720        )
4721    }
4722
4723    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4724        self.entry_view_state.update(cx, |entry_view_state, cx| {
4725            entry_view_state.settings_changed(cx);
4726        });
4727    }
4728
4729    pub(crate) fn insert_dragged_files(
4730        &self,
4731        paths: Vec<project::ProjectPath>,
4732        added_worktrees: Vec<Entity<project::Worktree>>,
4733        window: &mut Window,
4734        cx: &mut Context<Self>,
4735    ) {
4736        self.message_editor.update(cx, |message_editor, cx| {
4737            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4738        })
4739    }
4740
4741    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4742        self.message_editor.update(cx, |message_editor, cx| {
4743            message_editor.insert_selections(window, cx);
4744        })
4745    }
4746
4747    fn render_thread_retry_status_callout(
4748        &self,
4749        _window: &mut Window,
4750        _cx: &mut Context<Self>,
4751    ) -> Option<Callout> {
4752        let state = self.thread_retry_status.as_ref()?;
4753
4754        let next_attempt_in = state
4755            .duration
4756            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4757        if next_attempt_in.is_zero() {
4758            return None;
4759        }
4760
4761        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4762
4763        let retry_message = if state.max_attempts == 1 {
4764            if next_attempt_in_secs == 1 {
4765                "Retrying. Next attempt in 1 second.".to_string()
4766            } else {
4767                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4768            }
4769        } else if next_attempt_in_secs == 1 {
4770            format!(
4771                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4772                state.attempt, state.max_attempts,
4773            )
4774        } else {
4775            format!(
4776                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4777                state.attempt, state.max_attempts,
4778            )
4779        };
4780
4781        Some(
4782            Callout::new()
4783                .severity(Severity::Warning)
4784                .title(state.last_error.clone())
4785                .description(retry_message),
4786        )
4787    }
4788
4789    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4790        let content = match self.thread_error.as_ref()? {
4791            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4792            ThreadError::Refusal => self.render_refusal_error(cx),
4793            ThreadError::AuthenticationRequired(error) => {
4794                self.render_authentication_required_error(error.clone(), cx)
4795            }
4796            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4797            ThreadError::ModelRequestLimitReached(plan) => {
4798                self.render_model_request_limit_reached_error(*plan, cx)
4799            }
4800            ThreadError::ToolUseLimitReached => {
4801                self.render_tool_use_limit_reached_error(window, cx)?
4802            }
4803        };
4804
4805        Some(div().child(content))
4806    }
4807
4808    fn get_current_model_name(&self, cx: &App) -> SharedString {
4809        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
4810        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
4811        // This provides better clarity about what refused the request
4812        if self
4813            .agent
4814            .clone()
4815            .downcast::<agent2::NativeAgentServer>()
4816            .is_some()
4817        {
4818            // Native agent - use the model name
4819            self.model_selector
4820                .as_ref()
4821                .and_then(|selector| selector.read(cx).active_model_name(cx))
4822                .unwrap_or_else(|| SharedString::from("The model"))
4823        } else {
4824            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
4825            self.agent.name()
4826        }
4827    }
4828
4829    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
4830        let model_or_agent_name = self.get_current_model_name(cx);
4831        let refusal_message = format!(
4832            "{} 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.",
4833            model_or_agent_name
4834        );
4835
4836        Callout::new()
4837            .severity(Severity::Error)
4838            .title("Request Refused")
4839            .icon(IconName::XCircle)
4840            .description(refusal_message.clone())
4841            .actions_slot(self.create_copy_button(&refusal_message))
4842            .dismiss_action(self.dismiss_error_button(cx))
4843    }
4844
4845    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4846        let can_resume = self
4847            .thread()
4848            .map_or(false, |thread| thread.read(cx).can_resume(cx));
4849
4850        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
4851            let thread = thread.read(cx);
4852            let supports_burn_mode = thread
4853                .model()
4854                .map_or(false, |model| model.supports_burn_mode());
4855            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
4856        });
4857
4858        Callout::new()
4859            .severity(Severity::Error)
4860            .title("Error")
4861            .icon(IconName::XCircle)
4862            .description(error.clone())
4863            .actions_slot(
4864                h_flex()
4865                    .gap_0p5()
4866                    .when(can_resume && can_enable_burn_mode, |this| {
4867                        this.child(
4868                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
4869                                .icon(IconName::ZedBurnMode)
4870                                .icon_position(IconPosition::Start)
4871                                .icon_size(IconSize::Small)
4872                                .label_size(LabelSize::Small)
4873                                .on_click(cx.listener(|this, _, window, cx| {
4874                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4875                                    this.resume_chat(cx);
4876                                })),
4877                        )
4878                    })
4879                    .when(can_resume, |this| {
4880                        this.child(
4881                            Button::new("retry", "Retry")
4882                                .icon(IconName::RotateCw)
4883                                .icon_position(IconPosition::Start)
4884                                .icon_size(IconSize::Small)
4885                                .label_size(LabelSize::Small)
4886                                .on_click(cx.listener(|this, _, _window, cx| {
4887                                    this.resume_chat(cx);
4888                                })),
4889                        )
4890                    })
4891                    .child(self.create_copy_button(error.to_string())),
4892            )
4893            .dismiss_action(self.dismiss_error_button(cx))
4894    }
4895
4896    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4897        const ERROR_MESSAGE: &str =
4898            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4899
4900        Callout::new()
4901            .severity(Severity::Error)
4902            .icon(IconName::XCircle)
4903            .title("Free Usage Exceeded")
4904            .description(ERROR_MESSAGE)
4905            .actions_slot(
4906                h_flex()
4907                    .gap_0p5()
4908                    .child(self.upgrade_button(cx))
4909                    .child(self.create_copy_button(ERROR_MESSAGE)),
4910            )
4911            .dismiss_action(self.dismiss_error_button(cx))
4912    }
4913
4914    fn render_authentication_required_error(
4915        &self,
4916        error: SharedString,
4917        cx: &mut Context<Self>,
4918    ) -> Callout {
4919        Callout::new()
4920            .severity(Severity::Error)
4921            .title("Authentication Required")
4922            .icon(IconName::XCircle)
4923            .description(error.clone())
4924            .actions_slot(
4925                h_flex()
4926                    .gap_0p5()
4927                    .child(self.authenticate_button(cx))
4928                    .child(self.create_copy_button(error)),
4929            )
4930            .dismiss_action(self.dismiss_error_button(cx))
4931    }
4932
4933    fn render_model_request_limit_reached_error(
4934        &self,
4935        plan: cloud_llm_client::Plan,
4936        cx: &mut Context<Self>,
4937    ) -> Callout {
4938        let error_message = match plan {
4939            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4940            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4941                "Upgrade to Zed Pro for more prompts."
4942            }
4943        };
4944
4945        Callout::new()
4946            .severity(Severity::Error)
4947            .title("Model Prompt Limit Reached")
4948            .icon(IconName::XCircle)
4949            .description(error_message)
4950            .actions_slot(
4951                h_flex()
4952                    .gap_0p5()
4953                    .child(self.upgrade_button(cx))
4954                    .child(self.create_copy_button(error_message)),
4955            )
4956            .dismiss_action(self.dismiss_error_button(cx))
4957    }
4958
4959    fn render_tool_use_limit_reached_error(
4960        &self,
4961        window: &mut Window,
4962        cx: &mut Context<Self>,
4963    ) -> Option<Callout> {
4964        let thread = self.as_native_thread(cx)?;
4965        let supports_burn_mode = thread
4966            .read(cx)
4967            .model()
4968            .is_some_and(|model| model.supports_burn_mode());
4969
4970        let focus_handle = self.focus_handle(cx);
4971
4972        Some(
4973            Callout::new()
4974                .icon(IconName::Info)
4975                .title("Consecutive tool use limit reached.")
4976                .actions_slot(
4977                    h_flex()
4978                        .gap_0p5()
4979                        .when(supports_burn_mode, |this| {
4980                            this.child(
4981                                Button::new("continue-burn-mode", "Continue with Burn Mode")
4982                                    .style(ButtonStyle::Filled)
4983                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4984                                    .layer(ElevationIndex::ModalSurface)
4985                                    .label_size(LabelSize::Small)
4986                                    .key_binding(
4987                                        KeyBinding::for_action_in(
4988                                            &ContinueWithBurnMode,
4989                                            &focus_handle,
4990                                            window,
4991                                            cx,
4992                                        )
4993                                        .map(|kb| kb.size(rems_from_px(10.))),
4994                                    )
4995                                    .tooltip(Tooltip::text(
4996                                        "Enable Burn Mode for unlimited tool use.",
4997                                    ))
4998                                    .on_click({
4999                                        cx.listener(move |this, _, _window, cx| {
5000                                            thread.update(cx, |thread, cx| {
5001                                                thread
5002                                                    .set_completion_mode(CompletionMode::Burn, cx);
5003                                            });
5004                                            this.resume_chat(cx);
5005                                        })
5006                                    }),
5007                            )
5008                        })
5009                        .child(
5010                            Button::new("continue-conversation", "Continue")
5011                                .layer(ElevationIndex::ModalSurface)
5012                                .label_size(LabelSize::Small)
5013                                .key_binding(
5014                                    KeyBinding::for_action_in(
5015                                        &ContinueThread,
5016                                        &focus_handle,
5017                                        window,
5018                                        cx,
5019                                    )
5020                                    .map(|kb| kb.size(rems_from_px(10.))),
5021                                )
5022                                .on_click(cx.listener(|this, _, _window, cx| {
5023                                    this.resume_chat(cx);
5024                                })),
5025                        ),
5026                ),
5027        )
5028    }
5029
5030    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5031        let message = message.into();
5032
5033        IconButton::new("copy", IconName::Copy)
5034            .icon_size(IconSize::Small)
5035            .icon_color(Color::Muted)
5036            .tooltip(Tooltip::text("Copy Error Message"))
5037            .on_click(move |_, _, cx| {
5038                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5039            })
5040    }
5041
5042    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5043        IconButton::new("dismiss", IconName::Close)
5044            .icon_size(IconSize::Small)
5045            .icon_color(Color::Muted)
5046            .tooltip(Tooltip::text("Dismiss Error"))
5047            .on_click(cx.listener({
5048                move |this, _, _, cx| {
5049                    this.clear_thread_error(cx);
5050                    cx.notify();
5051                }
5052            }))
5053    }
5054
5055    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5056        Button::new("authenticate", "Authenticate")
5057            .label_size(LabelSize::Small)
5058            .style(ButtonStyle::Filled)
5059            .on_click(cx.listener({
5060                move |this, _, window, cx| {
5061                    let agent = this.agent.clone();
5062                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5063                        return;
5064                    };
5065
5066                    let connection = thread.read(cx).connection().clone();
5067                    let err = AuthRequired {
5068                        description: None,
5069                        provider_id: None,
5070                    };
5071                    this.clear_thread_error(cx);
5072                    let this = cx.weak_entity();
5073                    window.defer(cx, |window, cx| {
5074                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5075                    })
5076                }
5077            }))
5078    }
5079
5080    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5081        let agent = self.agent.clone();
5082        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5083            return;
5084        };
5085
5086        let connection = thread.read(cx).connection().clone();
5087        let err = AuthRequired {
5088            description: None,
5089            provider_id: None,
5090        };
5091        self.clear_thread_error(cx);
5092        let this = cx.weak_entity();
5093        window.defer(cx, |window, cx| {
5094            Self::handle_auth_required(this, err, agent, connection, window, cx);
5095        })
5096    }
5097
5098    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5099        Button::new("upgrade", "Upgrade")
5100            .label_size(LabelSize::Small)
5101            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5102            .on_click(cx.listener({
5103                move |this, _, _, cx| {
5104                    this.clear_thread_error(cx);
5105                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5106                }
5107            }))
5108    }
5109
5110    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5111        let task = match entry {
5112            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5113                history.delete_thread(thread.id.clone(), cx)
5114            }),
5115            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
5116                history.delete_text_thread(context.path.clone(), cx)
5117            }),
5118        };
5119        task.detach_and_log_err(cx);
5120    }
5121}
5122
5123fn loading_contents_spinner(size: IconSize) -> AnyElement {
5124    Icon::new(IconName::LoadCircle)
5125        .size(size)
5126        .color(Color::Accent)
5127        .with_animation(
5128            "load_context_circle",
5129            Animation::new(Duration::from_secs(3)).repeat(),
5130            |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
5131        )
5132        .into_any_element()
5133}
5134
5135impl Focusable for AcpThreadView {
5136    fn focus_handle(&self, cx: &App) -> FocusHandle {
5137        match self.thread_state {
5138            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5139                self.message_editor.focus_handle(cx)
5140            }
5141            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5142                self.focus_handle.clone()
5143            }
5144        }
5145    }
5146}
5147
5148impl Render for AcpThreadView {
5149    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5150        let has_messages = self.list_state.item_count() > 0;
5151        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5152
5153        v_flex()
5154            .size_full()
5155            .key_context("AcpThread")
5156            .on_action(cx.listener(Self::open_agent_diff))
5157            .on_action(cx.listener(Self::toggle_burn_mode))
5158            .on_action(cx.listener(Self::keep_all))
5159            .on_action(cx.listener(Self::reject_all))
5160            .track_focus(&self.focus_handle)
5161            .bg(cx.theme().colors().panel_background)
5162            .child(match &self.thread_state {
5163                ThreadState::Unauthenticated {
5164                    connection,
5165                    description,
5166                    configuration_view,
5167                    pending_auth_method,
5168                    ..
5169                } => self.render_auth_required_state(
5170                    connection,
5171                    description.as_ref(),
5172                    configuration_view.as_ref(),
5173                    pending_auth_method.as_ref(),
5174                    window,
5175                    cx,
5176                ),
5177                ThreadState::Loading { .. } => v_flex()
5178                    .flex_1()
5179                    .child(self.render_recent_history(window, cx)),
5180                ThreadState::LoadError(e) => v_flex()
5181                    .flex_1()
5182                    .size_full()
5183                    .items_center()
5184                    .justify_end()
5185                    .child(self.render_load_error(e, window, cx)),
5186                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5187                    if has_messages {
5188                        this.child(
5189                            list(
5190                                self.list_state.clone(),
5191                                cx.processor(|this, index: usize, window, cx| {
5192                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5193                                        let entries = &thread.read(cx).entries();
5194                                        Some((entries.get(index)?, entries.len()))
5195                                    }) else {
5196                                        return Empty.into_any();
5197                                    };
5198                                    this.render_entry(index, len, entry, window, cx)
5199                                }),
5200                            )
5201                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5202                            .flex_grow()
5203                            .into_any(),
5204                        )
5205                        .child(self.render_vertical_scrollbar(cx))
5206                    } else {
5207                        this.child(self.render_recent_history(window, cx))
5208                    }
5209                }),
5210            })
5211            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5212            // above so that the scrollbar doesn't render behind it. The current setup allows
5213            // the scrollbar to stop exactly at the activity bar start.
5214            .when(has_messages, |this| match &self.thread_state {
5215                ThreadState::Ready { thread, .. } => {
5216                    this.children(self.render_activity_bar(thread, window, cx))
5217                }
5218                _ => this,
5219            })
5220            .children(self.render_thread_retry_status_callout(window, cx))
5221            .children(self.render_thread_error(window, cx))
5222            .children(
5223                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5224                    Some(usage_callout.into_any_element())
5225                } else {
5226                    self.render_token_limit_callout(line_height, cx)
5227                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5228                },
5229            )
5230            .child(self.render_message_editor(window, cx))
5231    }
5232}
5233
5234fn default_markdown_style(
5235    buffer_font: bool,
5236    muted_text: bool,
5237    window: &Window,
5238    cx: &App,
5239) -> MarkdownStyle {
5240    let theme_settings = ThemeSettings::get_global(cx);
5241    let colors = cx.theme().colors();
5242
5243    let buffer_font_size = TextSize::Small.rems(cx);
5244
5245    let mut text_style = window.text_style();
5246    let line_height = buffer_font_size * 1.75;
5247
5248    let font_family = if buffer_font {
5249        theme_settings.buffer_font.family.clone()
5250    } else {
5251        theme_settings.ui_font.family.clone()
5252    };
5253
5254    let font_size = if buffer_font {
5255        TextSize::Small.rems(cx)
5256    } else {
5257        TextSize::Default.rems(cx)
5258    };
5259
5260    let text_color = if muted_text {
5261        colors.text_muted
5262    } else {
5263        colors.text
5264    };
5265
5266    text_style.refine(&TextStyleRefinement {
5267        font_family: Some(font_family),
5268        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5269        font_features: Some(theme_settings.ui_font.features.clone()),
5270        font_size: Some(font_size.into()),
5271        line_height: Some(line_height.into()),
5272        color: Some(text_color),
5273        ..Default::default()
5274    });
5275
5276    MarkdownStyle {
5277        base_text_style: text_style.clone(),
5278        syntax: cx.theme().syntax().clone(),
5279        selection_background_color: colors.element_selection_background,
5280        code_block_overflow_x_scroll: true,
5281        table_overflow_x_scroll: true,
5282        heading_level_styles: Some(HeadingLevelStyles {
5283            h1: Some(TextStyleRefinement {
5284                font_size: Some(rems(1.15).into()),
5285                ..Default::default()
5286            }),
5287            h2: Some(TextStyleRefinement {
5288                font_size: Some(rems(1.1).into()),
5289                ..Default::default()
5290            }),
5291            h3: Some(TextStyleRefinement {
5292                font_size: Some(rems(1.05).into()),
5293                ..Default::default()
5294            }),
5295            h4: Some(TextStyleRefinement {
5296                font_size: Some(rems(1.).into()),
5297                ..Default::default()
5298            }),
5299            h5: Some(TextStyleRefinement {
5300                font_size: Some(rems(0.95).into()),
5301                ..Default::default()
5302            }),
5303            h6: Some(TextStyleRefinement {
5304                font_size: Some(rems(0.875).into()),
5305                ..Default::default()
5306            }),
5307        }),
5308        code_block: StyleRefinement {
5309            padding: EdgesRefinement {
5310                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5311                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5312                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5313                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5314            },
5315            margin: EdgesRefinement {
5316                top: Some(Length::Definite(Pixels(8.).into())),
5317                left: Some(Length::Definite(Pixels(0.).into())),
5318                right: Some(Length::Definite(Pixels(0.).into())),
5319                bottom: Some(Length::Definite(Pixels(12.).into())),
5320            },
5321            border_style: Some(BorderStyle::Solid),
5322            border_widths: EdgesRefinement {
5323                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
5324                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
5325                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
5326                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
5327            },
5328            border_color: Some(colors.border_variant),
5329            background: Some(colors.editor_background.into()),
5330            text: Some(TextStyleRefinement {
5331                font_family: Some(theme_settings.buffer_font.family.clone()),
5332                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5333                font_features: Some(theme_settings.buffer_font.features.clone()),
5334                font_size: Some(buffer_font_size.into()),
5335                ..Default::default()
5336            }),
5337            ..Default::default()
5338        },
5339        inline_code: TextStyleRefinement {
5340            font_family: Some(theme_settings.buffer_font.family.clone()),
5341            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5342            font_features: Some(theme_settings.buffer_font.features.clone()),
5343            font_size: Some(buffer_font_size.into()),
5344            background_color: Some(colors.editor_foreground.opacity(0.08)),
5345            ..Default::default()
5346        },
5347        link: TextStyleRefinement {
5348            background_color: Some(colors.editor_foreground.opacity(0.025)),
5349            underline: Some(UnderlineStyle {
5350                color: Some(colors.text_accent.opacity(0.5)),
5351                thickness: px(1.),
5352                ..Default::default()
5353            }),
5354            ..Default::default()
5355        },
5356        ..Default::default()
5357    }
5358}
5359
5360fn plan_label_markdown_style(
5361    status: &acp::PlanEntryStatus,
5362    window: &Window,
5363    cx: &App,
5364) -> MarkdownStyle {
5365    let default_md_style = default_markdown_style(false, false, window, cx);
5366
5367    MarkdownStyle {
5368        base_text_style: TextStyle {
5369            color: cx.theme().colors().text_muted,
5370            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5371                Some(gpui::StrikethroughStyle {
5372                    thickness: px(1.),
5373                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5374                })
5375            } else {
5376                None
5377            },
5378            ..default_md_style.base_text_style
5379        },
5380        ..default_md_style
5381    }
5382}
5383
5384fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5385    let default_md_style = default_markdown_style(true, false, window, cx);
5386
5387    MarkdownStyle {
5388        base_text_style: TextStyle {
5389            ..default_md_style.base_text_style
5390        },
5391        selection_background_color: cx.theme().colors().element_selection_background,
5392        ..Default::default()
5393    }
5394}
5395
5396#[cfg(test)]
5397pub(crate) mod tests {
5398    use acp_thread::StubAgentConnection;
5399    use agent_client_protocol::SessionId;
5400    use assistant_context::ContextStore;
5401    use editor::EditorSettings;
5402    use fs::FakeFs;
5403    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5404    use project::Project;
5405    use serde_json::json;
5406    use settings::SettingsStore;
5407    use std::any::Any;
5408    use std::path::Path;
5409    use workspace::Item;
5410
5411    use super::*;
5412
5413    #[gpui::test]
5414    async fn test_drop(cx: &mut TestAppContext) {
5415        init_test(cx);
5416
5417        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5418        let weak_view = thread_view.downgrade();
5419        drop(thread_view);
5420        assert!(!weak_view.is_upgradable());
5421    }
5422
5423    #[gpui::test]
5424    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5425        init_test(cx);
5426
5427        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5428
5429        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5430        message_editor.update_in(cx, |editor, window, cx| {
5431            editor.set_text("Hello", window, cx);
5432        });
5433
5434        cx.deactivate_window();
5435
5436        thread_view.update_in(cx, |thread_view, window, cx| {
5437            thread_view.send(window, cx);
5438        });
5439
5440        cx.run_until_parked();
5441
5442        assert!(
5443            cx.windows()
5444                .iter()
5445                .any(|window| window.downcast::<AgentNotification>().is_some())
5446        );
5447    }
5448
5449    #[gpui::test]
5450    async fn test_notification_for_error(cx: &mut TestAppContext) {
5451        init_test(cx);
5452
5453        let (thread_view, cx) =
5454            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5455
5456        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5457        message_editor.update_in(cx, |editor, window, cx| {
5458            editor.set_text("Hello", window, cx);
5459        });
5460
5461        cx.deactivate_window();
5462
5463        thread_view.update_in(cx, |thread_view, window, cx| {
5464            thread_view.send(window, cx);
5465        });
5466
5467        cx.run_until_parked();
5468
5469        assert!(
5470            cx.windows()
5471                .iter()
5472                .any(|window| window.downcast::<AgentNotification>().is_some())
5473        );
5474    }
5475
5476    #[gpui::test]
5477    async fn test_refusal_handling(cx: &mut TestAppContext) {
5478        init_test(cx);
5479
5480        let (thread_view, cx) =
5481            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
5482
5483        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5484        message_editor.update_in(cx, |editor, window, cx| {
5485            editor.set_text("Do something harmful", window, cx);
5486        });
5487
5488        thread_view.update_in(cx, |thread_view, window, cx| {
5489            thread_view.send(window, cx);
5490        });
5491
5492        cx.run_until_parked();
5493
5494        // Check that the refusal error is set
5495        thread_view.read_with(cx, |thread_view, _cx| {
5496            assert!(
5497                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5498                "Expected refusal error to be set"
5499            );
5500        });
5501    }
5502
5503    #[gpui::test]
5504    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5505        init_test(cx);
5506
5507        let tool_call_id = acp::ToolCallId("1".into());
5508        let tool_call = acp::ToolCall {
5509            id: tool_call_id.clone(),
5510            title: "Label".into(),
5511            kind: acp::ToolKind::Edit,
5512            status: acp::ToolCallStatus::Pending,
5513            content: vec!["hi".into()],
5514            locations: vec![],
5515            raw_input: None,
5516            raw_output: None,
5517        };
5518        let connection =
5519            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5520                tool_call_id,
5521                vec![acp::PermissionOption {
5522                    id: acp::PermissionOptionId("1".into()),
5523                    name: "Allow".into(),
5524                    kind: acp::PermissionOptionKind::AllowOnce,
5525                }],
5526            )]));
5527
5528        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5529
5530        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5531
5532        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5533        message_editor.update_in(cx, |editor, window, cx| {
5534            editor.set_text("Hello", window, cx);
5535        });
5536
5537        cx.deactivate_window();
5538
5539        thread_view.update_in(cx, |thread_view, window, cx| {
5540            thread_view.send(window, cx);
5541        });
5542
5543        cx.run_until_parked();
5544
5545        assert!(
5546            cx.windows()
5547                .iter()
5548                .any(|window| window.downcast::<AgentNotification>().is_some())
5549        );
5550    }
5551
5552    async fn setup_thread_view(
5553        agent: impl AgentServer + 'static,
5554        cx: &mut TestAppContext,
5555    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5556        let fs = FakeFs::new(cx.executor());
5557        let project = Project::test(fs, [], cx).await;
5558        let (workspace, cx) =
5559            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5560
5561        let context_store =
5562            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5563        let history_store =
5564            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5565
5566        let thread_view = cx.update(|window, cx| {
5567            cx.new(|cx| {
5568                AcpThreadView::new(
5569                    Rc::new(agent),
5570                    None,
5571                    None,
5572                    workspace.downgrade(),
5573                    project,
5574                    history_store,
5575                    None,
5576                    window,
5577                    cx,
5578                )
5579            })
5580        });
5581        cx.run_until_parked();
5582        (thread_view, cx)
5583    }
5584
5585    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5586        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5587
5588        workspace
5589            .update_in(cx, |workspace, window, cx| {
5590                workspace.add_item_to_active_pane(
5591                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5592                    None,
5593                    true,
5594                    window,
5595                    cx,
5596                );
5597            })
5598            .unwrap();
5599    }
5600
5601    struct ThreadViewItem(Entity<AcpThreadView>);
5602
5603    impl Item for ThreadViewItem {
5604        type Event = ();
5605
5606        fn include_in_nav_history() -> bool {
5607            false
5608        }
5609
5610        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5611            "Test".into()
5612        }
5613    }
5614
5615    impl EventEmitter<()> for ThreadViewItem {}
5616
5617    impl Focusable for ThreadViewItem {
5618        fn focus_handle(&self, cx: &App) -> FocusHandle {
5619            self.0.read(cx).focus_handle(cx)
5620        }
5621    }
5622
5623    impl Render for ThreadViewItem {
5624        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5625            self.0.clone().into_any_element()
5626        }
5627    }
5628
5629    struct StubAgentServer<C> {
5630        connection: C,
5631    }
5632
5633    impl<C> StubAgentServer<C> {
5634        fn new(connection: C) -> Self {
5635            Self { connection }
5636        }
5637    }
5638
5639    impl StubAgentServer<StubAgentConnection> {
5640        fn default_response() -> Self {
5641            let conn = StubAgentConnection::new();
5642            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5643                content: "Default response".into(),
5644            }]);
5645            Self::new(conn)
5646        }
5647    }
5648
5649    impl<C> AgentServer for StubAgentServer<C>
5650    where
5651        C: 'static + AgentConnection + Send + Clone,
5652    {
5653        fn telemetry_id(&self) -> &'static str {
5654            "test"
5655        }
5656
5657        fn logo(&self) -> ui::IconName {
5658            ui::IconName::Ai
5659        }
5660
5661        fn name(&self) -> SharedString {
5662            "Test".into()
5663        }
5664
5665        fn connect(
5666            &self,
5667            _root_dir: &Path,
5668            _delegate: AgentServerDelegate,
5669            _cx: &mut App,
5670        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
5671            Task::ready(Ok(Rc::new(self.connection.clone())))
5672        }
5673
5674        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5675            self
5676        }
5677    }
5678
5679    #[derive(Clone)]
5680    struct SaboteurAgentConnection;
5681
5682    impl AgentConnection for SaboteurAgentConnection {
5683        fn new_thread(
5684            self: Rc<Self>,
5685            project: Entity<Project>,
5686            _cwd: &Path,
5687            cx: &mut gpui::App,
5688        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5689            Task::ready(Ok(cx.new(|cx| {
5690                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5691                AcpThread::new(
5692                    "SaboteurAgentConnection",
5693                    self,
5694                    project,
5695                    action_log,
5696                    SessionId("test".into()),
5697                    watch::Receiver::constant(acp::PromptCapabilities {
5698                        image: true,
5699                        audio: true,
5700                        embedded_context: true,
5701                    }),
5702                    vec![],
5703                    cx,
5704                )
5705            })))
5706        }
5707
5708        fn auth_methods(&self) -> &[acp::AuthMethod] {
5709            &[]
5710        }
5711
5712        fn authenticate(
5713            &self,
5714            _method_id: acp::AuthMethodId,
5715            _cx: &mut App,
5716        ) -> Task<gpui::Result<()>> {
5717            unimplemented!()
5718        }
5719
5720        fn prompt(
5721            &self,
5722            _id: Option<acp_thread::UserMessageId>,
5723            _params: acp::PromptRequest,
5724            _cx: &mut App,
5725        ) -> Task<gpui::Result<acp::PromptResponse>> {
5726            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5727        }
5728
5729        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5730            unimplemented!()
5731        }
5732
5733        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5734            self
5735        }
5736    }
5737
5738    /// Simulates a model which always returns a refusal response
5739    #[derive(Clone)]
5740    struct RefusalAgentConnection;
5741
5742    impl AgentConnection for RefusalAgentConnection {
5743        fn new_thread(
5744            self: Rc<Self>,
5745            project: Entity<Project>,
5746            _cwd: &Path,
5747            cx: &mut gpui::App,
5748        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5749            Task::ready(Ok(cx.new(|cx| {
5750                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5751                AcpThread::new(
5752                    "RefusalAgentConnection",
5753                    self,
5754                    project,
5755                    action_log,
5756                    SessionId("test".into()),
5757                    watch::Receiver::constant(acp::PromptCapabilities {
5758                        image: true,
5759                        audio: true,
5760                        embedded_context: true,
5761                    }),
5762                    Vec::new(),
5763                    cx,
5764                )
5765            })))
5766        }
5767
5768        fn auth_methods(&self) -> &[acp::AuthMethod] {
5769            &[]
5770        }
5771
5772        fn authenticate(
5773            &self,
5774            _method_id: acp::AuthMethodId,
5775            _cx: &mut App,
5776        ) -> Task<gpui::Result<()>> {
5777            unimplemented!()
5778        }
5779
5780        fn prompt(
5781            &self,
5782            _id: Option<acp_thread::UserMessageId>,
5783            _params: acp::PromptRequest,
5784            _cx: &mut App,
5785        ) -> Task<gpui::Result<acp::PromptResponse>> {
5786            Task::ready(Ok(acp::PromptResponse {
5787                stop_reason: acp::StopReason::Refusal,
5788            }))
5789        }
5790
5791        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5792            unimplemented!()
5793        }
5794
5795        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5796            self
5797        }
5798    }
5799
5800    pub(crate) fn init_test(cx: &mut TestAppContext) {
5801        cx.update(|cx| {
5802            let settings_store = SettingsStore::test(cx);
5803            cx.set_global(settings_store);
5804            language::init(cx);
5805            Project::init_settings(cx);
5806            AgentSettings::register(cx);
5807            workspace::init_settings(cx);
5808            ThemeSettings::register(cx);
5809            release_channel::init(SemanticVersion::default(), cx);
5810            EditorSettings::register(cx);
5811            prompt_store::init(cx)
5812        });
5813    }
5814
5815    #[gpui::test]
5816    async fn test_rewind_views(cx: &mut TestAppContext) {
5817        init_test(cx);
5818
5819        let fs = FakeFs::new(cx.executor());
5820        fs.insert_tree(
5821            "/project",
5822            json!({
5823                "test1.txt": "old content 1",
5824                "test2.txt": "old content 2"
5825            }),
5826        )
5827        .await;
5828        let project = Project::test(fs, [Path::new("/project")], cx).await;
5829        let (workspace, cx) =
5830            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5831
5832        let context_store =
5833            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5834        let history_store =
5835            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5836
5837        let connection = Rc::new(StubAgentConnection::new());
5838        let thread_view = cx.update(|window, cx| {
5839            cx.new(|cx| {
5840                AcpThreadView::new(
5841                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5842                    None,
5843                    None,
5844                    workspace.downgrade(),
5845                    project.clone(),
5846                    history_store.clone(),
5847                    None,
5848                    window,
5849                    cx,
5850                )
5851            })
5852        });
5853
5854        cx.run_until_parked();
5855
5856        let thread = thread_view
5857            .read_with(cx, |view, _| view.thread().cloned())
5858            .unwrap();
5859
5860        // First user message
5861        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5862            id: acp::ToolCallId("tool1".into()),
5863            title: "Edit file 1".into(),
5864            kind: acp::ToolKind::Edit,
5865            status: acp::ToolCallStatus::Completed,
5866            content: vec![acp::ToolCallContent::Diff {
5867                diff: acp::Diff {
5868                    path: "/project/test1.txt".into(),
5869                    old_text: Some("old content 1".into()),
5870                    new_text: "new content 1".into(),
5871                },
5872            }],
5873            locations: vec![],
5874            raw_input: None,
5875            raw_output: None,
5876        })]);
5877
5878        thread
5879            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
5880            .await
5881            .unwrap();
5882        cx.run_until_parked();
5883
5884        thread.read_with(cx, |thread, _| {
5885            assert_eq!(thread.entries().len(), 2);
5886        });
5887
5888        thread_view.read_with(cx, |view, cx| {
5889            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5890                assert!(
5891                    entry_view_state
5892                        .entry(0)
5893                        .unwrap()
5894                        .message_editor()
5895                        .is_some()
5896                );
5897                assert!(entry_view_state.entry(1).unwrap().has_content());
5898            });
5899        });
5900
5901        // Second user message
5902        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5903            id: acp::ToolCallId("tool2".into()),
5904            title: "Edit file 2".into(),
5905            kind: acp::ToolKind::Edit,
5906            status: acp::ToolCallStatus::Completed,
5907            content: vec![acp::ToolCallContent::Diff {
5908                diff: acp::Diff {
5909                    path: "/project/test2.txt".into(),
5910                    old_text: Some("old content 2".into()),
5911                    new_text: "new content 2".into(),
5912                },
5913            }],
5914            locations: vec![],
5915            raw_input: None,
5916            raw_output: None,
5917        })]);
5918
5919        thread
5920            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5921            .await
5922            .unwrap();
5923        cx.run_until_parked();
5924
5925        let second_user_message_id = thread.read_with(cx, |thread, _| {
5926            assert_eq!(thread.entries().len(), 4);
5927            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5928                panic!();
5929            };
5930            user_message.id.clone().unwrap()
5931        });
5932
5933        thread_view.read_with(cx, |view, cx| {
5934            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5935                assert!(
5936                    entry_view_state
5937                        .entry(0)
5938                        .unwrap()
5939                        .message_editor()
5940                        .is_some()
5941                );
5942                assert!(entry_view_state.entry(1).unwrap().has_content());
5943                assert!(
5944                    entry_view_state
5945                        .entry(2)
5946                        .unwrap()
5947                        .message_editor()
5948                        .is_some()
5949                );
5950                assert!(entry_view_state.entry(3).unwrap().has_content());
5951            });
5952        });
5953
5954        // Rewind to first message
5955        thread
5956            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
5957            .await
5958            .unwrap();
5959
5960        cx.run_until_parked();
5961
5962        thread.read_with(cx, |thread, _| {
5963            assert_eq!(thread.entries().len(), 2);
5964        });
5965
5966        thread_view.read_with(cx, |view, cx| {
5967            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5968                assert!(
5969                    entry_view_state
5970                        .entry(0)
5971                        .unwrap()
5972                        .message_editor()
5973                        .is_some()
5974                );
5975                assert!(entry_view_state.entry(1).unwrap().has_content());
5976
5977                // Old views should be dropped
5978                assert!(entry_view_state.entry(2).is_none());
5979                assert!(entry_view_state.entry(3).is_none());
5980            });
5981        });
5982    }
5983
5984    #[gpui::test]
5985    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
5986        init_test(cx);
5987
5988        let connection = StubAgentConnection::new();
5989
5990        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5991            content: acp::ContentBlock::Text(acp::TextContent {
5992                text: "Response".into(),
5993                annotations: None,
5994            }),
5995        }]);
5996
5997        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5998        add_to_workspace(thread_view.clone(), cx);
5999
6000        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6001        message_editor.update_in(cx, |editor, window, cx| {
6002            editor.set_text("Original message to edit", window, cx);
6003        });
6004        thread_view.update_in(cx, |thread_view, window, cx| {
6005            thread_view.send(window, cx);
6006        });
6007
6008        cx.run_until_parked();
6009
6010        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6011            assert_eq!(view.editing_message, None);
6012
6013            view.entry_view_state
6014                .read(cx)
6015                .entry(0)
6016                .unwrap()
6017                .message_editor()
6018                .unwrap()
6019                .clone()
6020        });
6021
6022        // Focus
6023        cx.focus(&user_message_editor);
6024        thread_view.read_with(cx, |view, _cx| {
6025            assert_eq!(view.editing_message, Some(0));
6026        });
6027
6028        // Edit
6029        user_message_editor.update_in(cx, |editor, window, cx| {
6030            editor.set_text("Edited message content", window, cx);
6031        });
6032
6033        // Cancel
6034        user_message_editor.update_in(cx, |_editor, window, cx| {
6035            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6036        });
6037
6038        thread_view.read_with(cx, |view, _cx| {
6039            assert_eq!(view.editing_message, None);
6040        });
6041
6042        user_message_editor.read_with(cx, |editor, cx| {
6043            assert_eq!(editor.text(cx), "Original message to edit");
6044        });
6045    }
6046
6047    #[gpui::test]
6048    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6049        init_test(cx);
6050
6051        let connection = StubAgentConnection::new();
6052
6053        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6054        add_to_workspace(thread_view.clone(), cx);
6055
6056        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6057        let mut events = cx.events(&message_editor);
6058        message_editor.update_in(cx, |editor, window, cx| {
6059            editor.set_text("", window, cx);
6060        });
6061
6062        message_editor.update_in(cx, |_editor, window, cx| {
6063            window.dispatch_action(Box::new(Chat), cx);
6064        });
6065        cx.run_until_parked();
6066        // We shouldn't have received any messages
6067        assert!(matches!(
6068            events.try_next(),
6069            Err(futures::channel::mpsc::TryRecvError { .. })
6070        ));
6071    }
6072
6073    #[gpui::test]
6074    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6075        init_test(cx);
6076
6077        let connection = StubAgentConnection::new();
6078
6079        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6080            content: acp::ContentBlock::Text(acp::TextContent {
6081                text: "Response".into(),
6082                annotations: None,
6083            }),
6084        }]);
6085
6086        let (thread_view, cx) =
6087            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6088        add_to_workspace(thread_view.clone(), cx);
6089
6090        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6091        message_editor.update_in(cx, |editor, window, cx| {
6092            editor.set_text("Original message to edit", window, cx);
6093        });
6094        thread_view.update_in(cx, |thread_view, window, cx| {
6095            thread_view.send(window, cx);
6096        });
6097
6098        cx.run_until_parked();
6099
6100        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6101            assert_eq!(view.editing_message, None);
6102            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6103
6104            view.entry_view_state
6105                .read(cx)
6106                .entry(0)
6107                .unwrap()
6108                .message_editor()
6109                .unwrap()
6110                .clone()
6111        });
6112
6113        // Focus
6114        cx.focus(&user_message_editor);
6115
6116        // Edit
6117        user_message_editor.update_in(cx, |editor, window, cx| {
6118            editor.set_text("Edited message content", window, cx);
6119        });
6120
6121        // Send
6122        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6123            content: acp::ContentBlock::Text(acp::TextContent {
6124                text: "New Response".into(),
6125                annotations: None,
6126            }),
6127        }]);
6128
6129        user_message_editor.update_in(cx, |_editor, window, cx| {
6130            window.dispatch_action(Box::new(Chat), cx);
6131        });
6132
6133        cx.run_until_parked();
6134
6135        thread_view.read_with(cx, |view, cx| {
6136            assert_eq!(view.editing_message, None);
6137
6138            let entries = view.thread().unwrap().read(cx).entries();
6139            assert_eq!(entries.len(), 2);
6140            assert_eq!(
6141                entries[0].to_markdown(cx),
6142                "## User\n\nEdited message content\n\n"
6143            );
6144            assert_eq!(
6145                entries[1].to_markdown(cx),
6146                "## Assistant\n\nNew Response\n\n"
6147            );
6148
6149            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6150                assert!(!state.entry(1).unwrap().has_content());
6151                state.entry(0).unwrap().message_editor().unwrap().clone()
6152            });
6153
6154            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6155        })
6156    }
6157
6158    #[gpui::test]
6159    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6160        init_test(cx);
6161
6162        let connection = StubAgentConnection::new();
6163
6164        let (thread_view, cx) =
6165            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6166        add_to_workspace(thread_view.clone(), cx);
6167
6168        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6169        message_editor.update_in(cx, |editor, window, cx| {
6170            editor.set_text("Original message to edit", window, cx);
6171        });
6172        thread_view.update_in(cx, |thread_view, window, cx| {
6173            thread_view.send(window, cx);
6174        });
6175
6176        cx.run_until_parked();
6177
6178        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6179            let thread = view.thread().unwrap().read(cx);
6180            assert_eq!(thread.entries().len(), 1);
6181
6182            let editor = view
6183                .entry_view_state
6184                .read(cx)
6185                .entry(0)
6186                .unwrap()
6187                .message_editor()
6188                .unwrap()
6189                .clone();
6190
6191            (editor, thread.session_id().clone())
6192        });
6193
6194        // Focus
6195        cx.focus(&user_message_editor);
6196
6197        thread_view.read_with(cx, |view, _cx| {
6198            assert_eq!(view.editing_message, Some(0));
6199        });
6200
6201        // Edit
6202        user_message_editor.update_in(cx, |editor, window, cx| {
6203            editor.set_text("Edited message content", window, cx);
6204        });
6205
6206        thread_view.read_with(cx, |view, _cx| {
6207            assert_eq!(view.editing_message, Some(0));
6208        });
6209
6210        // Finish streaming response
6211        cx.update(|_, cx| {
6212            connection.send_update(
6213                session_id.clone(),
6214                acp::SessionUpdate::AgentMessageChunk {
6215                    content: acp::ContentBlock::Text(acp::TextContent {
6216                        text: "Response".into(),
6217                        annotations: None,
6218                    }),
6219                },
6220                cx,
6221            );
6222            connection.end_turn(session_id, acp::StopReason::EndTurn);
6223        });
6224
6225        thread_view.read_with(cx, |view, _cx| {
6226            assert_eq!(view.editing_message, Some(0));
6227        });
6228
6229        cx.run_until_parked();
6230
6231        // Should still be editing
6232        cx.update(|window, cx| {
6233            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6234            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6235            assert_eq!(
6236                user_message_editor.read(cx).text(cx),
6237                "Edited message content"
6238            );
6239        });
6240    }
6241
6242    #[gpui::test]
6243    async fn test_interrupt(cx: &mut TestAppContext) {
6244        init_test(cx);
6245
6246        let connection = StubAgentConnection::new();
6247
6248        let (thread_view, cx) =
6249            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6250        add_to_workspace(thread_view.clone(), cx);
6251
6252        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6253        message_editor.update_in(cx, |editor, window, cx| {
6254            editor.set_text("Message 1", window, cx);
6255        });
6256        thread_view.update_in(cx, |thread_view, window, cx| {
6257            thread_view.send(window, cx);
6258        });
6259
6260        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6261            let thread = view.thread().unwrap();
6262
6263            (thread.clone(), thread.read(cx).session_id().clone())
6264        });
6265
6266        cx.run_until_parked();
6267
6268        cx.update(|_, cx| {
6269            connection.send_update(
6270                session_id.clone(),
6271                acp::SessionUpdate::AgentMessageChunk {
6272                    content: "Message 1 resp".into(),
6273                },
6274                cx,
6275            );
6276        });
6277
6278        cx.run_until_parked();
6279
6280        thread.read_with(cx, |thread, cx| {
6281            assert_eq!(
6282                thread.to_markdown(cx),
6283                indoc::indoc! {"
6284                    ## User
6285
6286                    Message 1
6287
6288                    ## Assistant
6289
6290                    Message 1 resp
6291
6292                "}
6293            )
6294        });
6295
6296        message_editor.update_in(cx, |editor, window, cx| {
6297            editor.set_text("Message 2", window, cx);
6298        });
6299        thread_view.update_in(cx, |thread_view, window, cx| {
6300            thread_view.send(window, cx);
6301        });
6302
6303        cx.update(|_, cx| {
6304            // Simulate a response sent after beginning to cancel
6305            connection.send_update(
6306                session_id.clone(),
6307                acp::SessionUpdate::AgentMessageChunk {
6308                    content: "onse".into(),
6309                },
6310                cx,
6311            );
6312        });
6313
6314        cx.run_until_parked();
6315
6316        // Last Message 1 response should appear before Message 2
6317        thread.read_with(cx, |thread, cx| {
6318            assert_eq!(
6319                thread.to_markdown(cx),
6320                indoc::indoc! {"
6321                    ## User
6322
6323                    Message 1
6324
6325                    ## Assistant
6326
6327                    Message 1 response
6328
6329                    ## User
6330
6331                    Message 2
6332
6333                "}
6334            )
6335        });
6336
6337        cx.update(|_, cx| {
6338            connection.send_update(
6339                session_id.clone(),
6340                acp::SessionUpdate::AgentMessageChunk {
6341                    content: "Message 2 response".into(),
6342                },
6343                cx,
6344            );
6345            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6346        });
6347
6348        cx.run_until_parked();
6349
6350        thread.read_with(cx, |thread, cx| {
6351            assert_eq!(
6352                thread.to_markdown(cx),
6353                indoc::indoc! {"
6354                    ## User
6355
6356                    Message 1
6357
6358                    ## Assistant
6359
6360                    Message 1 response
6361
6362                    ## User
6363
6364                    Message 2
6365
6366                    ## Assistant
6367
6368                    Message 2 response
6369
6370                "}
6371            )
6372        });
6373    }
6374}