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, UnderlineStyle, WeakEntity, Window,
  27    WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, point, prelude::*,
  28    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, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  49    PopoverMenuHandle, 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
  81enum ThreadError {
  82    PaymentRequired,
  83    ModelRequestLimitReached(cloud_llm_client::Plan),
  84    ToolUseLimitReached,
  85    AuthenticationRequired(SharedString),
  86    Other(SharedString),
  87}
  88
  89impl ThreadError {
  90    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  91        if error.is::<language_model::PaymentRequiredError>() {
  92            Self::PaymentRequired
  93        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  94            Self::ToolUseLimitReached
  95        } else if let Some(error) =
  96            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  97        {
  98            Self::ModelRequestLimitReached(error.plan)
  99        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 100            && acp_error.code == acp::ErrorCode::AUTH_REQUIRED.code
 101        {
 102            Self::AuthenticationRequired(acp_error.message.clone().into())
 103        } else {
 104            let string = error.to_string();
 105            // TODO: we should have Gemini return better errors here.
 106            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 107                && string.contains("Could not load the default credentials")
 108                || string.contains("API key not valid")
 109                || string.contains("Request had invalid authentication credentials")
 110            {
 111                Self::AuthenticationRequired(string.into())
 112            } else {
 113                Self::Other(error.to_string().into())
 114            }
 115        }
 116    }
 117}
 118
 119impl ProfileProvider for Entity<agent2::Thread> {
 120    fn profile_id(&self, cx: &App) -> AgentProfileId {
 121        self.read(cx).profile().clone()
 122    }
 123
 124    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 125        self.update(cx, |thread, _cx| {
 126            thread.set_profile(profile_id);
 127        });
 128    }
 129
 130    fn profiles_supported(&self, cx: &App) -> bool {
 131        self.read(cx)
 132            .model()
 133            .is_some_and(|model| model.supports_tools())
 134    }
 135}
 136
 137#[derive(Default)]
 138struct ThreadFeedbackState {
 139    feedback: Option<ThreadFeedback>,
 140    comments_editor: Option<Entity<Editor>>,
 141}
 142
 143impl ThreadFeedbackState {
 144    pub fn submit(
 145        &mut self,
 146        thread: Entity<AcpThread>,
 147        feedback: ThreadFeedback,
 148        window: &mut Window,
 149        cx: &mut App,
 150    ) {
 151        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 152            return;
 153        };
 154
 155        if self.feedback == Some(feedback) {
 156            return;
 157        }
 158
 159        self.feedback = Some(feedback);
 160        match feedback {
 161            ThreadFeedback::Positive => {
 162                self.comments_editor = None;
 163            }
 164            ThreadFeedback::Negative => {
 165                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 166            }
 167        }
 168        let session_id = thread.read(cx).session_id().clone();
 169        let agent_name = telemetry.agent_name();
 170        let task = telemetry.thread_data(&session_id, cx);
 171        let rating = match feedback {
 172            ThreadFeedback::Positive => "positive",
 173            ThreadFeedback::Negative => "negative",
 174        };
 175        cx.background_spawn(async move {
 176            let thread = task.await?;
 177            telemetry::event!(
 178                "Agent Thread Rated",
 179                session_id = session_id,
 180                rating = rating,
 181                agent = agent_name,
 182                thread = thread
 183            );
 184            anyhow::Ok(())
 185        })
 186        .detach_and_log_err(cx);
 187    }
 188
 189    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 190        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 191            return;
 192        };
 193
 194        let Some(comments) = self
 195            .comments_editor
 196            .as_ref()
 197            .map(|editor| editor.read(cx).text(cx))
 198            .filter(|text| !text.trim().is_empty())
 199        else {
 200            return;
 201        };
 202
 203        self.comments_editor.take();
 204
 205        let session_id = thread.read(cx).session_id().clone();
 206        let agent_name = telemetry.agent_name();
 207        let task = telemetry.thread_data(&session_id, cx);
 208        cx.background_spawn(async move {
 209            let thread = task.await?;
 210            telemetry::event!(
 211                "Agent Thread Feedback Comments",
 212                session_id = session_id,
 213                comments = comments,
 214                agent = agent_name,
 215                thread = thread
 216            );
 217            anyhow::Ok(())
 218        })
 219        .detach_and_log_err(cx);
 220    }
 221
 222    pub fn clear(&mut self) {
 223        *self = Self::default()
 224    }
 225
 226    pub fn dismiss_comments(&mut self) {
 227        self.comments_editor.take();
 228    }
 229
 230    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 231        let buffer = cx.new(|cx| {
 232            let empty_string = String::new();
 233            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 234        });
 235
 236        let editor = cx.new(|cx| {
 237            let mut editor = Editor::new(
 238                editor::EditorMode::AutoHeight {
 239                    min_lines: 1,
 240                    max_lines: Some(4),
 241                },
 242                buffer,
 243                None,
 244                window,
 245                cx,
 246            );
 247            editor.set_placeholder_text(
 248                "What went wrong? Share your feedback so we can improve.",
 249                cx,
 250            );
 251            editor
 252        });
 253
 254        editor.read(cx).focus_handle(cx).focus(window);
 255        editor
 256    }
 257}
 258
 259pub struct AcpThreadView {
 260    agent: Rc<dyn AgentServer>,
 261    workspace: WeakEntity<Workspace>,
 262    project: Entity<Project>,
 263    thread_state: ThreadState,
 264    history_store: Entity<HistoryStore>,
 265    hovered_recent_history_item: Option<usize>,
 266    entry_view_state: Entity<EntryViewState>,
 267    message_editor: Entity<MessageEditor>,
 268    focus_handle: FocusHandle,
 269    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 270    profile_selector: Option<Entity<ProfileSelector>>,
 271    notifications: Vec<WindowHandle<AgentNotification>>,
 272    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 273    thread_retry_status: Option<RetryStatus>,
 274    thread_error: Option<ThreadError>,
 275    thread_feedback: ThreadFeedbackState,
 276    list_state: ListState,
 277    scrollbar_state: ScrollbarState,
 278    auth_task: Option<Task<()>>,
 279    expanded_tool_calls: HashSet<acp::ToolCallId>,
 280    expanded_thinking_blocks: HashSet<(usize, usize)>,
 281    edits_expanded: bool,
 282    plan_expanded: bool,
 283    editor_expanded: bool,
 284    should_be_following: bool,
 285    editing_message: Option<usize>,
 286    prompt_capabilities: Rc<Cell<PromptCapabilities>>,
 287    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 288    is_loading_contents: bool,
 289    _cancel_task: Option<Task<()>>,
 290    _subscriptions: [Subscription; 3],
 291}
 292
 293enum ThreadState {
 294    Loading(Entity<LoadingView>),
 295    Ready {
 296        thread: Entity<AcpThread>,
 297        title_editor: Option<Entity<Editor>>,
 298        _subscriptions: Vec<Subscription>,
 299    },
 300    LoadError(LoadError),
 301    Unauthenticated {
 302        connection: Rc<dyn AgentConnection>,
 303        description: Option<Entity<Markdown>>,
 304        configuration_view: Option<AnyView>,
 305        pending_auth_method: Option<acp::AuthMethodId>,
 306        _subscription: Option<Subscription>,
 307    },
 308}
 309
 310struct LoadingView {
 311    title: SharedString,
 312    _load_task: Task<()>,
 313    _update_title_task: Task<anyhow::Result<()>>,
 314}
 315
 316impl AcpThreadView {
 317    pub fn new(
 318        agent: Rc<dyn AgentServer>,
 319        resume_thread: Option<DbThreadMetadata>,
 320        summarize_thread: Option<DbThreadMetadata>,
 321        workspace: WeakEntity<Workspace>,
 322        project: Entity<Project>,
 323        history_store: Entity<HistoryStore>,
 324        prompt_store: Option<Entity<PromptStore>>,
 325        window: &mut Window,
 326        cx: &mut Context<Self>,
 327    ) -> Self {
 328        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
 329        let available_commands = Rc::new(RefCell::new(vec![]));
 330
 331        let placeholder = if agent.name() == "Zed Agent" {
 332            format!("Message the {} — @ to include context", agent.name())
 333        } else {
 334            format!("Message {} — @ to include context", agent.name())
 335        };
 336
 337        let message_editor = cx.new(|cx| {
 338            let mut editor = MessageEditor::new(
 339                workspace.clone(),
 340                project.clone(),
 341                history_store.clone(),
 342                prompt_store.clone(),
 343                prompt_capabilities.clone(),
 344                available_commands.clone(),
 345                agent.name(),
 346                placeholder,
 347                editor::EditorMode::AutoHeight {
 348                    min_lines: MIN_EDITOR_LINES,
 349                    max_lines: Some(MAX_EDITOR_LINES),
 350                },
 351                window,
 352                cx,
 353            );
 354            if let Some(entry) = summarize_thread {
 355                editor.insert_thread_summary(entry, window, cx);
 356            }
 357            editor
 358        });
 359
 360        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 361
 362        let entry_view_state = cx.new(|_| {
 363            EntryViewState::new(
 364                workspace.clone(),
 365                project.clone(),
 366                history_store.clone(),
 367                prompt_store.clone(),
 368                prompt_capabilities.clone(),
 369                available_commands.clone(),
 370                agent.name(),
 371            )
 372        });
 373
 374        let subscriptions = [
 375            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 376            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 377            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 378        ];
 379
 380        Self {
 381            agent: agent.clone(),
 382            workspace: workspace.clone(),
 383            project: project.clone(),
 384            entry_view_state,
 385            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 386            message_editor,
 387            model_selector: None,
 388            profile_selector: None,
 389            notifications: Vec::new(),
 390            notification_subscriptions: HashMap::default(),
 391            list_state: list_state.clone(),
 392            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 393            thread_retry_status: None,
 394            thread_error: None,
 395            thread_feedback: Default::default(),
 396            auth_task: None,
 397            expanded_tool_calls: HashSet::default(),
 398            expanded_thinking_blocks: HashSet::default(),
 399            editing_message: None,
 400            edits_expanded: false,
 401            plan_expanded: false,
 402            prompt_capabilities,
 403            available_commands,
 404            editor_expanded: false,
 405            should_be_following: false,
 406            history_store,
 407            hovered_recent_history_item: None,
 408            is_loading_contents: false,
 409            _subscriptions: subscriptions,
 410            _cancel_task: None,
 411            focus_handle: cx.focus_handle(),
 412        }
 413    }
 414
 415    fn initial_state(
 416        agent: Rc<dyn AgentServer>,
 417        resume_thread: Option<DbThreadMetadata>,
 418        workspace: WeakEntity<Workspace>,
 419        project: Entity<Project>,
 420        window: &mut Window,
 421        cx: &mut Context<Self>,
 422    ) -> ThreadState {
 423        if project.read(cx).is_via_collab()
 424            && agent.clone().downcast::<NativeAgentServer>().is_none()
 425        {
 426            return ThreadState::LoadError(LoadError::Other(
 427                "External agents are not yet supported for remote projects.".into(),
 428            ));
 429        }
 430        let root_dir = project
 431            .read(cx)
 432            .visible_worktrees(cx)
 433            .next()
 434            .map(|worktree| worktree.read(cx).abs_path())
 435            .unwrap_or_else(|| paths::home_dir().as_path().into());
 436        let (tx, mut rx) = watch::channel("Loading…".into());
 437        let delegate = AgentServerDelegate::new(project.clone(), Some(tx));
 438
 439        let connect_task = agent.connect(&root_dir, delegate, cx);
 440        let load_task = cx.spawn_in(window, async move |this, cx| {
 441            let connection = match connect_task.await {
 442                Ok(connection) => connection,
 443                Err(err) => {
 444                    this.update_in(cx, |this, window, cx| {
 445                        if err.downcast_ref::<LoadError>().is_some() {
 446                            this.handle_load_error(err, window, cx);
 447                        } else {
 448                            this.handle_thread_error(err, cx);
 449                        }
 450                        cx.notify();
 451                    })
 452                    .log_err();
 453                    return;
 454                }
 455            };
 456
 457            let result = if let Some(native_agent) = connection
 458                .clone()
 459                .downcast::<agent2::NativeAgentConnection>()
 460                && let Some(resume) = resume_thread.clone()
 461            {
 462                cx.update(|_, cx| {
 463                    native_agent
 464                        .0
 465                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 466                })
 467                .log_err()
 468            } else {
 469                cx.update(|_, cx| {
 470                    connection
 471                        .clone()
 472                        .new_thread(project.clone(), &root_dir, cx)
 473                })
 474                .log_err()
 475            };
 476
 477            let Some(result) = result else {
 478                return;
 479            };
 480
 481            let result = match result.await {
 482                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 483                    Ok(err) => {
 484                        cx.update(|window, cx| {
 485                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 486                        })
 487                        .log_err();
 488                        return;
 489                    }
 490                    Err(err) => Err(err),
 491                },
 492                Ok(thread) => Ok(thread),
 493            };
 494
 495            this.update_in(cx, |this, window, cx| {
 496                match result {
 497                    Ok(thread) => {
 498                        let action_log = thread.read(cx).action_log().clone();
 499
 500                        let mut available_commands = thread.read(cx).available_commands();
 501
 502                        if connection
 503                            .auth_methods()
 504                            .iter()
 505                            .any(|method| method.id.0.as_ref() == "claude-login")
 506                        {
 507                            available_commands.push(acp::AvailableCommand {
 508                                name: "login".to_owned(),
 509                                description: "Authenticate".to_owned(),
 510                                input: None,
 511                            });
 512                            available_commands.push(acp::AvailableCommand {
 513                                name: "logout".to_owned(),
 514                                description: "Authenticate".to_owned(),
 515                                input: None,
 516                            });
 517                        }
 518                        this.available_commands.replace(available_commands);
 519
 520                        this.prompt_capabilities
 521                            .set(thread.read(cx).prompt_capabilities());
 522
 523                        let count = thread.read(cx).entries().len();
 524                        this.entry_view_state.update(cx, |view_state, cx| {
 525                            for ix in 0..count {
 526                                view_state.sync_entry(ix, &thread, window, cx);
 527                            }
 528                            this.list_state.splice_focusable(
 529                                0..0,
 530                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 531                            );
 532                        });
 533
 534                        if let Some(resume) = resume_thread {
 535                            this.history_store.update(cx, |history, cx| {
 536                                history.push_recently_opened_entry(
 537                                    HistoryEntryId::AcpThread(resume.id),
 538                                    cx,
 539                                );
 540                            });
 541                        }
 542
 543                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 544
 545                        this.model_selector =
 546                            thread
 547                                .read(cx)
 548                                .connection()
 549                                .model_selector()
 550                                .map(|selector| {
 551                                    cx.new(|cx| {
 552                                        AcpModelSelectorPopover::new(
 553                                            thread.read(cx).session_id().clone(),
 554                                            selector,
 555                                            PopoverMenuHandle::default(),
 556                                            this.focus_handle(cx),
 557                                            window,
 558                                            cx,
 559                                        )
 560                                    })
 561                                });
 562
 563                        let mut subscriptions = vec![
 564                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 565                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 566                        ];
 567
 568                        let title_editor =
 569                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 570                                let editor = cx.new(|cx| {
 571                                    let mut editor = Editor::single_line(window, cx);
 572                                    editor.set_text(thread.read(cx).title(), window, cx);
 573                                    editor
 574                                });
 575                                subscriptions.push(cx.subscribe_in(
 576                                    &editor,
 577                                    window,
 578                                    Self::handle_title_editor_event,
 579                                ));
 580                                Some(editor)
 581                            } else {
 582                                None
 583                            };
 584                        this.thread_state = ThreadState::Ready {
 585                            thread,
 586                            title_editor,
 587                            _subscriptions: subscriptions,
 588                        };
 589                        this.message_editor.focus_handle(cx).focus(window);
 590
 591                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 592                            cx.new(|cx| {
 593                                ProfileSelector::new(
 594                                    <dyn Fs>::global(cx),
 595                                    Arc::new(thread.clone()),
 596                                    this.focus_handle(cx),
 597                                    cx,
 598                                )
 599                            })
 600                        });
 601
 602                        cx.notify();
 603                    }
 604                    Err(err) => {
 605                        this.handle_load_error(err, window, cx);
 606                    }
 607                };
 608            })
 609            .log_err();
 610        });
 611
 612        let loading_view = cx.new(|cx| {
 613            let update_title_task = cx.spawn(async move |this, cx| {
 614                loop {
 615                    let status = rx.recv().await?;
 616                    this.update(cx, |this: &mut LoadingView, cx| {
 617                        this.title = status;
 618                        cx.notify();
 619                    })?;
 620                }
 621            });
 622
 623            LoadingView {
 624                title: "Loading…".into(),
 625                _load_task: load_task,
 626                _update_title_task: update_title_task,
 627            }
 628        });
 629
 630        ThreadState::Loading(loading_view)
 631    }
 632
 633    fn handle_auth_required(
 634        this: WeakEntity<Self>,
 635        err: AuthRequired,
 636        agent: Rc<dyn AgentServer>,
 637        connection: Rc<dyn AgentConnection>,
 638        window: &mut Window,
 639        cx: &mut App,
 640    ) {
 641        let agent_name = agent.name();
 642        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 643            let registry = LanguageModelRegistry::global(cx);
 644
 645            let sub = window.subscribe(&registry, cx, {
 646                let provider_id = provider_id.clone();
 647                let this = this.clone();
 648                move |_, ev, window, cx| {
 649                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 650                        && &provider_id == updated_provider_id
 651                    {
 652                        this.update(cx, |this, cx| {
 653                            this.thread_state = Self::initial_state(
 654                                agent.clone(),
 655                                None,
 656                                this.workspace.clone(),
 657                                this.project.clone(),
 658                                window,
 659                                cx,
 660                            );
 661                            cx.notify();
 662                        })
 663                        .ok();
 664                    }
 665                }
 666            });
 667
 668            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 669                provider.configuration_view(
 670                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 671                    window,
 672                    cx,
 673                )
 674            });
 675
 676            (view, Some(sub))
 677        } else {
 678            (None, None)
 679        };
 680
 681        this.update(cx, |this, cx| {
 682            this.thread_state = ThreadState::Unauthenticated {
 683                pending_auth_method: None,
 684                connection,
 685                configuration_view,
 686                description: err
 687                    .description
 688                    .clone()
 689                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 690                _subscription: subscription,
 691            };
 692            if this.message_editor.focus_handle(cx).is_focused(window) {
 693                this.focus_handle.focus(window)
 694            }
 695            cx.notify();
 696        })
 697        .ok();
 698    }
 699
 700    fn handle_load_error(
 701        &mut self,
 702        err: anyhow::Error,
 703        window: &mut Window,
 704        cx: &mut Context<Self>,
 705    ) {
 706        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 707            self.thread_state = ThreadState::LoadError(load_err.clone());
 708        } else {
 709            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 710        }
 711        if self.message_editor.focus_handle(cx).is_focused(window) {
 712            self.focus_handle.focus(window)
 713        }
 714        cx.notify();
 715    }
 716
 717    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 718        &self.workspace
 719    }
 720
 721    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 722        match &self.thread_state {
 723            ThreadState::Ready { thread, .. } => Some(thread),
 724            ThreadState::Unauthenticated { .. }
 725            | ThreadState::Loading { .. }
 726            | ThreadState::LoadError { .. } => None,
 727        }
 728    }
 729
 730    pub fn title(&self, cx: &App) -> SharedString {
 731        match &self.thread_state {
 732            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 733            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 734            ThreadState::LoadError(error) => match error {
 735                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 736                LoadError::FailedToInstall(_) => {
 737                    format!("Failed to Install {}", self.agent.name()).into()
 738                }
 739                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 740                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 741            },
 742        }
 743    }
 744
 745    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 746        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 747            title_editor.clone()
 748        } else {
 749            None
 750        }
 751    }
 752
 753    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 754        self.thread_error.take();
 755        self.thread_retry_status.take();
 756
 757        if let Some(thread) = self.thread() {
 758            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 759        }
 760    }
 761
 762    pub fn expand_message_editor(
 763        &mut self,
 764        _: &ExpandMessageEditor,
 765        _window: &mut Window,
 766        cx: &mut Context<Self>,
 767    ) {
 768        self.set_editor_is_expanded(!self.editor_expanded, cx);
 769        cx.notify();
 770    }
 771
 772    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 773        self.editor_expanded = is_expanded;
 774        self.message_editor.update(cx, |editor, cx| {
 775            if is_expanded {
 776                editor.set_mode(
 777                    EditorMode::Full {
 778                        scale_ui_elements_with_buffer_font_size: false,
 779                        show_active_line_background: false,
 780                        sized_by_content: false,
 781                    },
 782                    cx,
 783                )
 784            } else {
 785                editor.set_mode(
 786                    EditorMode::AutoHeight {
 787                        min_lines: MIN_EDITOR_LINES,
 788                        max_lines: Some(MAX_EDITOR_LINES),
 789                    },
 790                    cx,
 791                )
 792            }
 793        });
 794        cx.notify();
 795    }
 796
 797    pub fn handle_title_editor_event(
 798        &mut self,
 799        title_editor: &Entity<Editor>,
 800        event: &EditorEvent,
 801        window: &mut Window,
 802        cx: &mut Context<Self>,
 803    ) {
 804        let Some(thread) = self.thread() else { return };
 805
 806        match event {
 807            EditorEvent::BufferEdited => {
 808                let new_title = title_editor.read(cx).text(cx);
 809                thread.update(cx, |thread, cx| {
 810                    thread
 811                        .set_title(new_title.into(), cx)
 812                        .detach_and_log_err(cx);
 813                })
 814            }
 815            EditorEvent::Blurred => {
 816                if title_editor.read(cx).text(cx).is_empty() {
 817                    title_editor.update(cx, |editor, cx| {
 818                        editor.set_text("New Thread", window, cx);
 819                    });
 820                }
 821            }
 822            _ => {}
 823        }
 824    }
 825
 826    pub fn handle_message_editor_event(
 827        &mut self,
 828        _: &Entity<MessageEditor>,
 829        event: &MessageEditorEvent,
 830        window: &mut Window,
 831        cx: &mut Context<Self>,
 832    ) {
 833        match event {
 834            MessageEditorEvent::Send => self.send(window, cx),
 835            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 836            MessageEditorEvent::Focus => {
 837                self.cancel_editing(&Default::default(), window, cx);
 838            }
 839            MessageEditorEvent::LostFocus => {}
 840        }
 841    }
 842
 843    pub fn handle_entry_view_event(
 844        &mut self,
 845        _: &Entity<EntryViewState>,
 846        event: &EntryViewEvent,
 847        window: &mut Window,
 848        cx: &mut Context<Self>,
 849    ) {
 850        match &event.view_event {
 851            ViewEvent::NewDiff(tool_call_id) => {
 852                if AgentSettings::get_global(cx).expand_edit_card {
 853                    self.expanded_tool_calls.insert(tool_call_id.clone());
 854                }
 855            }
 856            ViewEvent::NewTerminal(tool_call_id) => {
 857                if AgentSettings::get_global(cx).expand_terminal_card {
 858                    self.expanded_tool_calls.insert(tool_call_id.clone());
 859                }
 860            }
 861            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 862                self.expanded_tool_calls.remove(tool_call_id);
 863            }
 864            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 865                if let Some(thread) = self.thread()
 866                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 867                        thread.read(cx).entries().get(event.entry_index)
 868                    && user_message.id.is_some()
 869                {
 870                    self.editing_message = Some(event.entry_index);
 871                    cx.notify();
 872                }
 873            }
 874            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 875                if let Some(thread) = self.thread()
 876                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 877                        thread.read(cx).entries().get(event.entry_index)
 878                    && user_message.id.is_some()
 879                {
 880                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 881                        self.editing_message = None;
 882                        cx.notify();
 883                    }
 884                }
 885            }
 886            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 887                self.regenerate(event.entry_index, editor, window, cx);
 888            }
 889            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 890                self.cancel_editing(&Default::default(), window, cx);
 891            }
 892        }
 893    }
 894
 895    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 896        self.thread_error.take();
 897        let Some(thread) = self.thread() else {
 898            return;
 899        };
 900        if !thread.read(cx).can_resume(cx) {
 901            return;
 902        }
 903
 904        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 905        cx.spawn(async move |this, cx| {
 906            let result = task.await;
 907
 908            this.update(cx, |this, cx| {
 909                if let Err(err) = result {
 910                    this.handle_thread_error(err, cx);
 911                }
 912            })
 913        })
 914        .detach();
 915    }
 916
 917    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 918        let Some(thread) = self.thread() else { return };
 919
 920        if self.is_loading_contents {
 921            return;
 922        }
 923
 924        self.history_store.update(cx, |history, cx| {
 925            history.push_recently_opened_entry(
 926                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 927                cx,
 928            );
 929        });
 930
 931        if thread.read(cx).status() != ThreadStatus::Idle {
 932            self.stop_current_and_send_new_message(window, cx);
 933            return;
 934        }
 935
 936        let text = self.message_editor.read(cx).text(cx);
 937        let text = text.trim();
 938        if text == "/login" || text == "/logout" {
 939            let ThreadState::Ready { thread, .. } = &self.thread_state else {
 940                return;
 941            };
 942
 943            let connection = thread.read(cx).connection().clone();
 944            if !connection
 945                .auth_methods()
 946                .iter()
 947                .any(|method| method.id.0.as_ref() == "claude-login")
 948            {
 949                return;
 950            };
 951            let this = cx.weak_entity();
 952            let agent = self.agent.clone();
 953            window.defer(cx, |window, cx| {
 954                Self::handle_auth_required(
 955                    this,
 956                    AuthRequired {
 957                        description: None,
 958                        provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
 959                    },
 960                    agent,
 961                    connection,
 962                    window,
 963                    cx,
 964                );
 965            });
 966            cx.notify();
 967            return;
 968        }
 969
 970        let contents = self
 971            .message_editor
 972            .update(cx, |message_editor, cx| message_editor.contents(cx));
 973        self.send_impl(contents, window, cx)
 974    }
 975
 976    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 977        let Some(thread) = self.thread().cloned() else {
 978            return;
 979        };
 980
 981        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
 982
 983        let contents = self
 984            .message_editor
 985            .update(cx, |message_editor, cx| message_editor.contents(cx));
 986
 987        cx.spawn_in(window, async move |this, cx| {
 988            cancelled.await;
 989
 990            this.update_in(cx, |this, window, cx| {
 991                this.send_impl(contents, window, cx);
 992            })
 993            .ok();
 994        })
 995        .detach();
 996    }
 997
 998    fn send_impl(
 999        &mut self,
1000        contents: Task<Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
1001        window: &mut Window,
1002        cx: &mut Context<Self>,
1003    ) {
1004        let agent_telemetry_id = self.agent.telemetry_id();
1005
1006        self.thread_error.take();
1007        self.editing_message.take();
1008        self.thread_feedback.clear();
1009
1010        let Some(thread) = self.thread() else {
1011            return;
1012        };
1013        let thread = thread.downgrade();
1014        if self.should_be_following {
1015            self.workspace
1016                .update(cx, |workspace, cx| {
1017                    workspace.follow(CollaboratorId::Agent, window, cx);
1018                })
1019                .ok();
1020        }
1021
1022        self.is_loading_contents = true;
1023        let guard = cx.new(|_| ());
1024        cx.observe_release(&guard, |this, _guard, cx| {
1025            this.is_loading_contents = false;
1026            cx.notify();
1027        })
1028        .detach();
1029
1030        let task = cx.spawn_in(window, async move |this, cx| {
1031            let (contents, tracked_buffers) = contents.await?;
1032
1033            if contents.is_empty() {
1034                return Ok(());
1035            }
1036
1037            this.update_in(cx, |this, window, cx| {
1038                this.set_editor_is_expanded(false, cx);
1039                this.scroll_to_bottom(cx);
1040                this.message_editor.update(cx, |message_editor, cx| {
1041                    message_editor.clear(window, cx);
1042                });
1043            })?;
1044            let send = thread.update(cx, |thread, cx| {
1045                thread.action_log().update(cx, |action_log, cx| {
1046                    for buffer in tracked_buffers {
1047                        action_log.buffer_read(buffer, cx)
1048                    }
1049                });
1050                drop(guard);
1051
1052                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1053
1054                thread.send(contents, cx)
1055            })?;
1056            send.await
1057        });
1058
1059        cx.spawn(async move |this, cx| {
1060            if let Err(err) = task.await {
1061                this.update(cx, |this, cx| {
1062                    this.handle_thread_error(err, cx);
1063                })
1064                .ok();
1065            } else {
1066                this.update(cx, |this, cx| {
1067                    this.should_be_following = this
1068                        .workspace
1069                        .update(cx, |workspace, _| {
1070                            workspace.is_being_followed(CollaboratorId::Agent)
1071                        })
1072                        .unwrap_or_default();
1073                })
1074                .ok();
1075            }
1076        })
1077        .detach();
1078    }
1079
1080    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1081        let Some(thread) = self.thread().cloned() else {
1082            return;
1083        };
1084
1085        if let Some(index) = self.editing_message.take()
1086            && let Some(editor) = self
1087                .entry_view_state
1088                .read(cx)
1089                .entry(index)
1090                .and_then(|e| e.message_editor())
1091                .cloned()
1092        {
1093            editor.update(cx, |editor, cx| {
1094                if let Some(user_message) = thread
1095                    .read(cx)
1096                    .entries()
1097                    .get(index)
1098                    .and_then(|e| e.user_message())
1099                {
1100                    editor.set_message(user_message.chunks.clone(), window, cx);
1101                }
1102            })
1103        };
1104        self.focus_handle(cx).focus(window);
1105        cx.notify();
1106    }
1107
1108    fn regenerate(
1109        &mut self,
1110        entry_ix: usize,
1111        message_editor: &Entity<MessageEditor>,
1112        window: &mut Window,
1113        cx: &mut Context<Self>,
1114    ) {
1115        let Some(thread) = self.thread().cloned() else {
1116            return;
1117        };
1118        if self.is_loading_contents {
1119            return;
1120        }
1121
1122        let Some(user_message_id) = thread.update(cx, |thread, _| {
1123            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1124        }) else {
1125            return;
1126        };
1127
1128        let contents = message_editor.update(cx, |message_editor, cx| message_editor.contents(cx));
1129
1130        let task = cx.spawn(async move |_, cx| {
1131            let contents = contents.await?;
1132            thread
1133                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1134                .await?;
1135            Ok(contents)
1136        });
1137        self.send_impl(task, window, cx);
1138    }
1139
1140    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
1141        if let Some(thread) = self.thread() {
1142            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
1143        }
1144    }
1145
1146    fn open_edited_buffer(
1147        &mut self,
1148        buffer: &Entity<Buffer>,
1149        window: &mut Window,
1150        cx: &mut Context<Self>,
1151    ) {
1152        let Some(thread) = self.thread() else {
1153            return;
1154        };
1155
1156        let Some(diff) =
1157            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1158        else {
1159            return;
1160        };
1161
1162        diff.update(cx, |diff, cx| {
1163            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1164        })
1165    }
1166
1167    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1168        let Some(thread) = self.as_native_thread(cx) else {
1169            return;
1170        };
1171        let project_context = thread.read(cx).project_context().read(cx);
1172
1173        let project_entry_ids = project_context
1174            .worktrees
1175            .iter()
1176            .flat_map(|worktree| worktree.rules_file.as_ref())
1177            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1178            .collect::<Vec<_>>();
1179
1180        self.workspace
1181            .update(cx, move |workspace, cx| {
1182                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1183                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1184                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1185                let project = workspace.project().read(cx);
1186                let project_paths = project_entry_ids
1187                    .into_iter()
1188                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1189                    .collect::<Vec<_>>();
1190                for project_path in project_paths {
1191                    workspace
1192                        .open_path(project_path, None, true, window, cx)
1193                        .detach_and_log_err(cx);
1194                }
1195            })
1196            .ok();
1197    }
1198
1199    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1200        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1201        cx.notify();
1202    }
1203
1204    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1205        self.thread_error = None;
1206        cx.notify();
1207    }
1208
1209    fn handle_thread_event(
1210        &mut self,
1211        thread: &Entity<AcpThread>,
1212        event: &AcpThreadEvent,
1213        window: &mut Window,
1214        cx: &mut Context<Self>,
1215    ) {
1216        match event {
1217            AcpThreadEvent::NewEntry => {
1218                let len = thread.read(cx).entries().len();
1219                let index = len - 1;
1220                self.entry_view_state.update(cx, |view_state, cx| {
1221                    view_state.sync_entry(index, thread, window, cx);
1222                    self.list_state.splice_focusable(
1223                        index..index,
1224                        [view_state
1225                            .entry(index)
1226                            .and_then(|entry| entry.focus_handle(cx))],
1227                    );
1228                });
1229            }
1230            AcpThreadEvent::EntryUpdated(index) => {
1231                self.entry_view_state.update(cx, |view_state, cx| {
1232                    view_state.sync_entry(*index, thread, window, cx)
1233                });
1234            }
1235            AcpThreadEvent::EntriesRemoved(range) => {
1236                self.entry_view_state
1237                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1238                self.list_state.splice(range.clone(), 0);
1239            }
1240            AcpThreadEvent::ToolAuthorizationRequired => {
1241                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1242            }
1243            AcpThreadEvent::Retry(retry) => {
1244                self.thread_retry_status = Some(retry.clone());
1245            }
1246            AcpThreadEvent::Stopped => {
1247                self.thread_retry_status.take();
1248                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1249                self.notify_with_sound(
1250                    if used_tools {
1251                        "Finished running tools"
1252                    } else {
1253                        "New message"
1254                    },
1255                    IconName::ZedAssistant,
1256                    window,
1257                    cx,
1258                );
1259            }
1260            AcpThreadEvent::Error => {
1261                self.thread_retry_status.take();
1262                self.notify_with_sound(
1263                    "Agent stopped due to an error",
1264                    IconName::Warning,
1265                    window,
1266                    cx,
1267                );
1268            }
1269            AcpThreadEvent::LoadError(error) => {
1270                self.thread_retry_status.take();
1271                self.thread_state = ThreadState::LoadError(error.clone());
1272                if self.message_editor.focus_handle(cx).is_focused(window) {
1273                    self.focus_handle.focus(window)
1274                }
1275            }
1276            AcpThreadEvent::TitleUpdated => {
1277                let title = thread.read(cx).title();
1278                if let Some(title_editor) = self.title_editor() {
1279                    title_editor.update(cx, |editor, cx| {
1280                        if editor.text(cx) != title {
1281                            editor.set_text(title, window, cx);
1282                        }
1283                    });
1284                }
1285            }
1286            AcpThreadEvent::PromptCapabilitiesUpdated => {
1287                self.prompt_capabilities
1288                    .set(thread.read(cx).prompt_capabilities());
1289            }
1290            AcpThreadEvent::TokenUsageUpdated => {}
1291        }
1292        cx.notify();
1293    }
1294
1295    fn authenticate(
1296        &mut self,
1297        method: acp::AuthMethodId,
1298        window: &mut Window,
1299        cx: &mut Context<Self>,
1300    ) {
1301        let ThreadState::Unauthenticated {
1302            connection,
1303            pending_auth_method,
1304            configuration_view,
1305            ..
1306        } = &mut self.thread_state
1307        else {
1308            return;
1309        };
1310
1311        if method.0.as_ref() == "gemini-api-key" {
1312            let registry = LanguageModelRegistry::global(cx);
1313            let provider = registry
1314                .read(cx)
1315                .provider(&language_model::GOOGLE_PROVIDER_ID)
1316                .unwrap();
1317            if !provider.is_authenticated(cx) {
1318                let this = cx.weak_entity();
1319                let agent = self.agent.clone();
1320                let connection = connection.clone();
1321                window.defer(cx, |window, cx| {
1322                    Self::handle_auth_required(
1323                        this,
1324                        AuthRequired {
1325                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1326                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1327                        },
1328                        agent,
1329                        connection,
1330                        window,
1331                        cx,
1332                    );
1333                });
1334                return;
1335            }
1336        } else if method.0.as_ref() == "anthropic-api-key" {
1337            let registry = LanguageModelRegistry::global(cx);
1338            let provider = registry
1339                .read(cx)
1340                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1341                .unwrap();
1342            if !provider.is_authenticated(cx) {
1343                let this = cx.weak_entity();
1344                let agent = self.agent.clone();
1345                let connection = connection.clone();
1346                window.defer(cx, |window, cx| {
1347                    Self::handle_auth_required(
1348                        this,
1349                        AuthRequired {
1350                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1351                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1352                        },
1353                        agent,
1354                        connection,
1355                        window,
1356                        cx,
1357                    );
1358                });
1359                return;
1360            }
1361        } else if method.0.as_ref() == "vertex-ai"
1362            && std::env::var("GOOGLE_API_KEY").is_err()
1363            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1364                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1365        {
1366            let this = cx.weak_entity();
1367            let agent = self.agent.clone();
1368            let connection = connection.clone();
1369
1370            window.defer(cx, |window, cx| {
1371                    Self::handle_auth_required(
1372                        this,
1373                        AuthRequired {
1374                            description: Some(
1375                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1376                                    .to_owned(),
1377                            ),
1378                            provider_id: None,
1379                        },
1380                        agent,
1381                        connection,
1382                        window,
1383                        cx,
1384                    )
1385                });
1386            return;
1387        }
1388
1389        self.thread_error.take();
1390        configuration_view.take();
1391        pending_auth_method.replace(method.clone());
1392        let authenticate = if method.0.as_ref() == "claude-login" {
1393            if let Some(workspace) = self.workspace.upgrade() {
1394                Self::spawn_claude_login(&workspace, window, cx)
1395            } else {
1396                Task::ready(Ok(()))
1397            }
1398        } else {
1399            connection.authenticate(method, cx)
1400        };
1401        cx.notify();
1402        self.auth_task =
1403            Some(cx.spawn_in(window, {
1404                let project = self.project.clone();
1405                let agent = self.agent.clone();
1406                async move |this, cx| {
1407                    let result = authenticate.await;
1408
1409                    match &result {
1410                        Ok(_) => telemetry::event!(
1411                            "Authenticate Agent Succeeded",
1412                            agent = agent.telemetry_id()
1413                        ),
1414                        Err(_) => {
1415                            telemetry::event!(
1416                                "Authenticate Agent Failed",
1417                                agent = agent.telemetry_id(),
1418                            )
1419                        }
1420                    }
1421
1422                    this.update_in(cx, |this, window, cx| {
1423                        if let Err(err) = result {
1424                            if let ThreadState::Unauthenticated {
1425                                pending_auth_method,
1426                                ..
1427                            } = &mut this.thread_state
1428                            {
1429                                pending_auth_method.take();
1430                            }
1431                            this.handle_thread_error(err, cx);
1432                        } else {
1433                            this.thread_state = Self::initial_state(
1434                                agent,
1435                                None,
1436                                this.workspace.clone(),
1437                                project.clone(),
1438                                window,
1439                                cx,
1440                            )
1441                        }
1442                        this.auth_task.take()
1443                    })
1444                    .ok();
1445                }
1446            }));
1447    }
1448
1449    fn spawn_claude_login(
1450        workspace: &Entity<Workspace>,
1451        window: &mut Window,
1452        cx: &mut App,
1453    ) -> Task<Result<()>> {
1454        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1455            return Task::ready(Ok(()));
1456        };
1457        let project_entity = workspace.read(cx).project();
1458        let project = project_entity.read(cx);
1459        let cwd = project.first_project_directory(cx);
1460        let shell = project.terminal_settings(&cwd, cx).shell.clone();
1461
1462        let delegate = AgentServerDelegate::new(project_entity.clone(), None);
1463        let command = ClaudeCode::login_command(delegate, cx);
1464
1465        window.spawn(cx, async move |cx| {
1466            let login_command = command.await?;
1467            let command = login_command
1468                .path
1469                .to_str()
1470                .with_context(|| format!("invalid login command: {:?}", login_command.path))?;
1471            let command = shlex::try_quote(command)?;
1472            let args = login_command
1473                .arguments
1474                .iter()
1475                .map(|arg| {
1476                    Ok(shlex::try_quote(arg)
1477                        .context("Failed to quote argument")?
1478                        .to_string())
1479                })
1480                .collect::<Result<Vec<_>>>()?;
1481
1482            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1483                terminal_panel.spawn_task(
1484                    &SpawnInTerminal {
1485                        id: task::TaskId("claude-login".into()),
1486                        full_label: "claude /login".to_owned(),
1487                        label: "claude /login".to_owned(),
1488                        command: Some(command.into()),
1489                        args,
1490                        command_label: "claude /login".to_owned(),
1491                        cwd,
1492                        use_new_terminal: true,
1493                        allow_concurrent_runs: true,
1494                        hide: task::HideStrategy::Always,
1495                        shell,
1496                        ..Default::default()
1497                    },
1498                    window,
1499                    cx,
1500                )
1501            })?;
1502
1503            let terminal = terminal.await?;
1504            let mut exit_status = terminal
1505                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1506                .fuse();
1507
1508            let logged_in = cx
1509                .spawn({
1510                    let terminal = terminal.clone();
1511                    async move |cx| {
1512                        loop {
1513                            cx.background_executor().timer(Duration::from_secs(1)).await;
1514                            let content =
1515                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1516                            if content.contains("Login successful") {
1517                                return anyhow::Ok(());
1518                            }
1519                        }
1520                    }
1521                })
1522                .fuse();
1523            futures::pin_mut!(logged_in);
1524            futures::select_biased! {
1525                result = logged_in => {
1526                    if let Err(e) = result {
1527                        log::error!("{e}");
1528                        return Err(anyhow!("exited before logging in"));
1529                    }
1530                }
1531                _ = exit_status => {
1532                    return Err(anyhow!("exited before logging in"));
1533                }
1534            }
1535            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1536            Ok(())
1537        })
1538    }
1539
1540    fn authorize_tool_call(
1541        &mut self,
1542        tool_call_id: acp::ToolCallId,
1543        option_id: acp::PermissionOptionId,
1544        option_kind: acp::PermissionOptionKind,
1545        window: &mut Window,
1546        cx: &mut Context<Self>,
1547    ) {
1548        let Some(thread) = self.thread() else {
1549            return;
1550        };
1551        thread.update(cx, |thread, cx| {
1552            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1553        });
1554        if self.should_be_following {
1555            self.workspace
1556                .update(cx, |workspace, cx| {
1557                    workspace.follow(CollaboratorId::Agent, window, cx);
1558                })
1559                .ok();
1560        }
1561        cx.notify();
1562    }
1563
1564    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1565        let Some(thread) = self.thread() else {
1566            return;
1567        };
1568        thread
1569            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1570            .detach_and_log_err(cx);
1571        cx.notify();
1572    }
1573
1574    fn render_entry(
1575        &self,
1576        entry_ix: usize,
1577        total_entries: usize,
1578        entry: &AgentThreadEntry,
1579        window: &mut Window,
1580        cx: &Context<Self>,
1581    ) -> AnyElement {
1582        let primary = match &entry {
1583            AgentThreadEntry::UserMessage(message) => {
1584                let Some(editor) = self
1585                    .entry_view_state
1586                    .read(cx)
1587                    .entry(entry_ix)
1588                    .and_then(|entry| entry.message_editor())
1589                    .cloned()
1590                else {
1591                    return Empty.into_any_element();
1592                };
1593
1594                let editing = self.editing_message == Some(entry_ix);
1595                let editor_focus = editor.focus_handle(cx).is_focused(window);
1596                let focus_border = cx.theme().colors().border_focused;
1597
1598                let rules_item = if entry_ix == 0 {
1599                    self.render_rules_item(cx)
1600                } else {
1601                    None
1602                };
1603
1604                let has_checkpoint_button = message
1605                    .checkpoint
1606                    .as_ref()
1607                    .is_some_and(|checkpoint| checkpoint.show);
1608
1609                let agent_name = self.agent.name();
1610
1611                v_flex()
1612                    .id(("user_message", entry_ix))
1613                    .map(|this| {
1614                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1615                            this.pt(rems_from_px(18.))
1616                        } else if rules_item.is_some() {
1617                            this.pt_3()
1618                        } else {
1619                            this.pt_2()
1620                        }
1621                    })
1622                    .pb_3()
1623                    .px_2()
1624                    .gap_1p5()
1625                    .w_full()
1626                    .children(rules_item)
1627                    .children(message.id.clone().and_then(|message_id| {
1628                        message.checkpoint.as_ref()?.show.then(|| {
1629                            h_flex()
1630                                .px_3()
1631                                .gap_2()
1632                                .child(Divider::horizontal())
1633                                .child(
1634                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1635                                        .icon(IconName::Undo)
1636                                        .icon_size(IconSize::XSmall)
1637                                        .icon_position(IconPosition::Start)
1638                                        .label_size(LabelSize::XSmall)
1639                                        .icon_color(Color::Muted)
1640                                        .color(Color::Muted)
1641                                        .on_click(cx.listener(move |this, _, _window, cx| {
1642                                            this.rewind(&message_id, cx);
1643                                        }))
1644                                )
1645                                .child(Divider::horizontal())
1646                        })
1647                    }))
1648                    .child(
1649                        div()
1650                            .relative()
1651                            .child(
1652                                div()
1653                                    .py_3()
1654                                    .px_2()
1655                                    .rounded_md()
1656                                    .shadow_md()
1657                                    .bg(cx.theme().colors().editor_background)
1658                                    .border_1()
1659                                    .when(editing && !editor_focus, |this| this.border_dashed())
1660                                    .border_color(cx.theme().colors().border)
1661                                    .map(|this|{
1662                                        if editing && editor_focus {
1663                                            this.border_color(focus_border)
1664                                        } else if message.id.is_some() {
1665                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1666                                        } else {
1667                                            this
1668                                        }
1669                                    })
1670                                    .text_xs()
1671                                    .child(editor.clone().into_any_element()),
1672                            )
1673                            .when(editor_focus, |this| {
1674                                let base_container = h_flex()
1675                                    .absolute()
1676                                    .top_neg_3p5()
1677                                    .right_3()
1678                                    .gap_1()
1679                                    .rounded_sm()
1680                                    .border_1()
1681                                    .border_color(cx.theme().colors().border)
1682                                    .bg(cx.theme().colors().editor_background)
1683                                    .overflow_hidden();
1684
1685                                if message.id.is_some() {
1686                                    this.child(
1687                                        base_container
1688                                            .child(
1689                                                IconButton::new("cancel", IconName::Close)
1690                                                    .disabled(self.is_loading_contents)
1691                                                    .icon_color(Color::Error)
1692                                                    .icon_size(IconSize::XSmall)
1693                                                    .on_click(cx.listener(Self::cancel_editing))
1694                                            )
1695                                            .child(
1696                                                if self.is_loading_contents {
1697                                                    div()
1698                                                        .id("loading-edited-message-content")
1699                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1700                                                        .child(loading_contents_spinner(IconSize::XSmall))
1701                                                        .into_any_element()
1702                                                } else {
1703                                                    IconButton::new("regenerate", IconName::Return)
1704                                                        .icon_color(Color::Muted)
1705                                                        .icon_size(IconSize::XSmall)
1706                                                        .tooltip(Tooltip::text(
1707                                                            "Editing will restart the thread from this point."
1708                                                        ))
1709                                                        .on_click(cx.listener({
1710                                                            let editor = editor.clone();
1711                                                            move |this, _, window, cx| {
1712                                                                this.regenerate(
1713                                                                    entry_ix, &editor, window, cx,
1714                                                                );
1715                                                            }
1716                                                        })).into_any_element()
1717                                                }
1718                                            )
1719                                    )
1720                                } else {
1721                                    this.child(
1722                                        base_container
1723                                            .border_dashed()
1724                                            .child(
1725                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1726                                                    .icon_size(IconSize::Small)
1727                                                    .icon_color(Color::Muted)
1728                                                    .style(ButtonStyle::Transparent)
1729                                                    .tooltip(move |_window, cx| {
1730                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1731                                                            .into()
1732                                                    })
1733                                            )
1734                                    )
1735                                }
1736                            }),
1737                    )
1738                    .into_any()
1739            }
1740            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1741                let is_last = entry_ix + 1 == total_entries;
1742
1743                let style = default_markdown_style(false, false, window, cx);
1744                let message_body = v_flex()
1745                    .w_full()
1746                    .gap_3()
1747                    .children(chunks.iter().enumerate().filter_map(
1748                        |(chunk_ix, chunk)| match chunk {
1749                            AssistantMessageChunk::Message { block } => {
1750                                block.markdown().map(|md| {
1751                                    self.render_markdown(md.clone(), style.clone())
1752                                        .into_any_element()
1753                                })
1754                            }
1755                            AssistantMessageChunk::Thought { block } => {
1756                                block.markdown().map(|md| {
1757                                    self.render_thinking_block(
1758                                        entry_ix,
1759                                        chunk_ix,
1760                                        md.clone(),
1761                                        window,
1762                                        cx,
1763                                    )
1764                                    .into_any_element()
1765                                })
1766                            }
1767                        },
1768                    ))
1769                    .into_any();
1770
1771                v_flex()
1772                    .px_5()
1773                    .py_1p5()
1774                    .when(is_last, |this| this.pb_4())
1775                    .w_full()
1776                    .text_ui(cx)
1777                    .child(message_body)
1778                    .into_any()
1779            }
1780            AgentThreadEntry::ToolCall(tool_call) => {
1781                let has_terminals = tool_call.terminals().next().is_some();
1782
1783                div().w_full().map(|this| {
1784                    if has_terminals {
1785                        this.children(tool_call.terminals().map(|terminal| {
1786                            self.render_terminal_tool_call(
1787                                entry_ix, terminal, tool_call, window, cx,
1788                            )
1789                        }))
1790                    } else {
1791                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1792                    }
1793                })
1794            }
1795            .into_any(),
1796        };
1797
1798        let Some(thread) = self.thread() else {
1799            return primary;
1800        };
1801
1802        let primary = if entry_ix == total_entries - 1 {
1803            v_flex()
1804                .w_full()
1805                .child(primary)
1806                .child(self.render_thread_controls(&thread, cx))
1807                .when_some(
1808                    self.thread_feedback.comments_editor.clone(),
1809                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1810                )
1811                .into_any_element()
1812        } else {
1813            primary
1814        };
1815
1816        if let Some(editing_index) = self.editing_message.as_ref()
1817            && *editing_index < entry_ix
1818        {
1819            let backdrop = div()
1820                .id(("backdrop", entry_ix))
1821                .size_full()
1822                .absolute()
1823                .inset_0()
1824                .bg(cx.theme().colors().panel_background)
1825                .opacity(0.8)
1826                .block_mouse_except_scroll()
1827                .on_click(cx.listener(Self::cancel_editing));
1828
1829            div()
1830                .relative()
1831                .child(primary)
1832                .child(backdrop)
1833                .into_any_element()
1834        } else {
1835            primary
1836        }
1837    }
1838
1839    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1840        cx.theme()
1841            .colors()
1842            .element_background
1843            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1844    }
1845
1846    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1847        cx.theme().colors().border.opacity(0.8)
1848    }
1849
1850    fn tool_name_font_size(&self) -> Rems {
1851        rems_from_px(13.)
1852    }
1853
1854    fn render_thinking_block(
1855        &self,
1856        entry_ix: usize,
1857        chunk_ix: usize,
1858        chunk: Entity<Markdown>,
1859        window: &Window,
1860        cx: &Context<Self>,
1861    ) -> AnyElement {
1862        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1863        let card_header_id = SharedString::from("inner-card-header");
1864
1865        let key = (entry_ix, chunk_ix);
1866
1867        let is_open = self.expanded_thinking_blocks.contains(&key);
1868
1869        let scroll_handle = self
1870            .entry_view_state
1871            .read(cx)
1872            .entry(entry_ix)
1873            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
1874
1875        let thinking_content = {
1876            div()
1877                .id(("thinking-content", chunk_ix))
1878                .when_some(scroll_handle, |this, scroll_handle| {
1879                    this.track_scroll(&scroll_handle)
1880                })
1881                .text_ui_sm(cx)
1882                .overflow_hidden()
1883                .child(
1884                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
1885                )
1886        };
1887
1888        v_flex()
1889            .gap_1()
1890            .child(
1891                h_flex()
1892                    .id(header_id)
1893                    .group(&card_header_id)
1894                    .relative()
1895                    .w_full()
1896                    .pr_1()
1897                    .justify_between()
1898                    .child(
1899                        h_flex()
1900                            .h(window.line_height() - px(2.))
1901                            .gap_1p5()
1902                            .overflow_hidden()
1903                            .child(
1904                                Icon::new(IconName::ToolThink)
1905                                    .size(IconSize::Small)
1906                                    .color(Color::Muted),
1907                            )
1908                            .child(
1909                                div()
1910                                    .text_size(self.tool_name_font_size())
1911                                    .text_color(cx.theme().colors().text_muted)
1912                                    .child("Thinking"),
1913                            ),
1914                    )
1915                    .child(
1916                        Disclosure::new(("expand", entry_ix), is_open)
1917                            .opened_icon(IconName::ChevronUp)
1918                            .closed_icon(IconName::ChevronDown)
1919                            .visible_on_hover(&card_header_id)
1920                            .on_click(cx.listener({
1921                                move |this, _event, _window, cx| {
1922                                    if is_open {
1923                                        this.expanded_thinking_blocks.remove(&key);
1924                                    } else {
1925                                        this.expanded_thinking_blocks.insert(key);
1926                                    }
1927                                    cx.notify();
1928                                }
1929                            })),
1930                    )
1931                    .on_click(cx.listener({
1932                        move |this, _event, _window, cx| {
1933                            if is_open {
1934                                this.expanded_thinking_blocks.remove(&key);
1935                            } else {
1936                                this.expanded_thinking_blocks.insert(key);
1937                            }
1938                            cx.notify();
1939                        }
1940                    })),
1941            )
1942            .when(is_open, |this| {
1943                this.child(
1944                    div()
1945                        .ml_1p5()
1946                        .pl_3p5()
1947                        .border_l_1()
1948                        .border_color(self.tool_card_border_color(cx))
1949                        .child(thinking_content),
1950                )
1951            })
1952            .into_any_element()
1953    }
1954
1955    fn render_tool_call(
1956        &self,
1957        entry_ix: usize,
1958        tool_call: &ToolCall,
1959        window: &Window,
1960        cx: &Context<Self>,
1961    ) -> Div {
1962        let card_header_id = SharedString::from("inner-tool-call-header");
1963
1964        let tool_icon =
1965            if tool_call.kind == acp::ToolKind::Edit && tool_call.locations.len() == 1 {
1966                FileIcons::get_icon(&tool_call.locations[0].path, cx)
1967                    .map(Icon::from_path)
1968                    .unwrap_or(Icon::new(IconName::ToolPencil))
1969            } else {
1970                Icon::new(match tool_call.kind {
1971                    acp::ToolKind::Read => IconName::ToolSearch,
1972                    acp::ToolKind::Edit => IconName::ToolPencil,
1973                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
1974                    acp::ToolKind::Move => IconName::ArrowRightLeft,
1975                    acp::ToolKind::Search => IconName::ToolSearch,
1976                    acp::ToolKind::Execute => IconName::ToolTerminal,
1977                    acp::ToolKind::Think => IconName::ToolThink,
1978                    acp::ToolKind::Fetch => IconName::ToolWeb,
1979                    acp::ToolKind::Other => IconName::ToolHammer,
1980                })
1981            }
1982            .size(IconSize::Small)
1983            .color(Color::Muted);
1984
1985        let failed_or_canceled = match &tool_call.status {
1986            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
1987            _ => false,
1988        };
1989
1990        let has_location = tool_call.locations.len() == 1;
1991        let needs_confirmation = matches!(
1992            tool_call.status,
1993            ToolCallStatus::WaitingForConfirmation { .. }
1994        );
1995        let is_edit =
1996            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
1997        let use_card_layout = needs_confirmation || is_edit;
1998
1999        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2000
2001        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2002
2003        let gradient_overlay = {
2004            div()
2005                .absolute()
2006                .top_0()
2007                .right_0()
2008                .w_12()
2009                .h_full()
2010                .map(|this| {
2011                    if use_card_layout {
2012                        this.bg(linear_gradient(
2013                            90.,
2014                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2015                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2016                        ))
2017                    } else {
2018                        this.bg(linear_gradient(
2019                            90.,
2020                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2021                            linear_color_stop(
2022                                cx.theme().colors().panel_background.opacity(0.2),
2023                                0.,
2024                            ),
2025                        ))
2026                    }
2027                })
2028        };
2029
2030        let tool_output_display = if is_open {
2031            match &tool_call.status {
2032                ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2033                    .w_full()
2034                    .children(tool_call.content.iter().map(|content| {
2035                        div()
2036                            .child(self.render_tool_call_content(
2037                                entry_ix,
2038                                content,
2039                                tool_call,
2040                                use_card_layout,
2041                                window,
2042                                cx,
2043                            ))
2044                            .into_any_element()
2045                    }))
2046                    .child(self.render_permission_buttons(
2047                        options,
2048                        entry_ix,
2049                        tool_call.id.clone(),
2050                        cx,
2051                    ))
2052                    .into_any(),
2053                ToolCallStatus::Pending | ToolCallStatus::InProgress
2054                    if is_edit
2055                        && tool_call.content.is_empty()
2056                        && self.as_native_connection(cx).is_some() =>
2057                {
2058                    self.render_diff_loading(cx).into_any()
2059                }
2060                ToolCallStatus::Pending
2061                | ToolCallStatus::InProgress
2062                | ToolCallStatus::Completed
2063                | ToolCallStatus::Failed
2064                | ToolCallStatus::Canceled => v_flex()
2065                    .w_full()
2066                    .children(tool_call.content.iter().map(|content| {
2067                        div().child(self.render_tool_call_content(
2068                            entry_ix,
2069                            content,
2070                            tool_call,
2071                            use_card_layout,
2072                            window,
2073                            cx,
2074                        ))
2075                    }))
2076                    .into_any(),
2077                ToolCallStatus::Rejected => Empty.into_any(),
2078            }
2079            .into()
2080        } else {
2081            None
2082        };
2083
2084        v_flex()
2085            .map(|this| {
2086                if use_card_layout {
2087                    this.my_1p5()
2088                        .rounded_md()
2089                        .border_1()
2090                        .border_color(self.tool_card_border_color(cx))
2091                        .bg(cx.theme().colors().editor_background)
2092                        .overflow_hidden()
2093                } else {
2094                    this.my_1()
2095                }
2096            })
2097            .map(|this| {
2098                if has_location && !use_card_layout {
2099                    this.ml_4()
2100                } else {
2101                    this.ml_5()
2102                }
2103            })
2104            .mr_5()
2105            .child(
2106                h_flex()
2107                    .group(&card_header_id)
2108                    .relative()
2109                    .w_full()
2110                    .gap_1()
2111                    .justify_between()
2112                    .when(use_card_layout, |this| {
2113                        this.p_0p5()
2114                            .rounded_t(rems_from_px(5.))
2115                            .bg(self.tool_card_header_bg(cx))
2116                    })
2117                    .child(
2118                        h_flex()
2119                            .relative()
2120                            .w_full()
2121                            .h(window.line_height() - px(2.))
2122                            .text_size(self.tool_name_font_size())
2123                            .gap_1p5()
2124                            .when(has_location || use_card_layout, |this| this.px_1())
2125                            .when(has_location, |this| {
2126                                this.cursor(CursorStyle::PointingHand)
2127                                    .rounded(rems_from_px(3.)) // Concentric border radius
2128                                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2129                            })
2130                            .overflow_hidden()
2131                            .child(tool_icon)
2132                            .child(if has_location {
2133                                let name = tool_call.locations[0]
2134                                    .path
2135                                    .file_name()
2136                                    .unwrap_or_default()
2137                                    .display()
2138                                    .to_string();
2139
2140                                h_flex()
2141                                    .id(("open-tool-call-location", entry_ix))
2142                                    .w_full()
2143                                    .map(|this| {
2144                                        if use_card_layout {
2145                                            this.text_color(cx.theme().colors().text)
2146                                        } else {
2147                                            this.text_color(cx.theme().colors().text_muted)
2148                                        }
2149                                    })
2150                                    .child(name)
2151                                    .tooltip(Tooltip::text("Jump to File"))
2152                                    .on_click(cx.listener(move |this, _, window, cx| {
2153                                        this.open_tool_call_location(entry_ix, 0, window, cx);
2154                                    }))
2155                                    .into_any_element()
2156                            } else {
2157                                h_flex()
2158                                    .w_full()
2159                                    .child(self.render_markdown(
2160                                        tool_call.label.clone(),
2161                                        default_markdown_style(false, true, window, cx),
2162                                    ))
2163                                    .into_any()
2164                            })
2165                            .when(!has_location, |this| this.child(gradient_overlay)),
2166                    )
2167                    .when(is_collapsible || failed_or_canceled, |this| {
2168                        this.child(
2169                            h_flex()
2170                                .px_1()
2171                                .gap_px()
2172                                .when(is_collapsible, |this| {
2173                                    this.child(
2174                                    Disclosure::new(("expand", entry_ix), is_open)
2175                                        .opened_icon(IconName::ChevronUp)
2176                                        .closed_icon(IconName::ChevronDown)
2177                                        .visible_on_hover(&card_header_id)
2178                                        .on_click(cx.listener({
2179                                            let id = tool_call.id.clone();
2180                                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2181                                                if is_open {
2182                                                    this.expanded_tool_calls.remove(&id);
2183                                                } else {
2184                                                    this.expanded_tool_calls.insert(id.clone());
2185                                                }
2186                                                cx.notify();
2187                                            }
2188                                        })),
2189                                )
2190                                })
2191                                .when(failed_or_canceled, |this| {
2192                                    this.child(
2193                                        Icon::new(IconName::Close)
2194                                            .color(Color::Error)
2195                                            .size(IconSize::Small),
2196                                    )
2197                                }),
2198                        )
2199                    }),
2200            )
2201            .children(tool_output_display)
2202    }
2203
2204    fn render_tool_call_content(
2205        &self,
2206        entry_ix: usize,
2207        content: &ToolCallContent,
2208        tool_call: &ToolCall,
2209        card_layout: bool,
2210        window: &Window,
2211        cx: &Context<Self>,
2212    ) -> AnyElement {
2213        match content {
2214            ToolCallContent::ContentBlock(content) => {
2215                if let Some(resource_link) = content.resource_link() {
2216                    self.render_resource_link(resource_link, cx)
2217                } else if let Some(markdown) = content.markdown() {
2218                    self.render_markdown_output(
2219                        markdown.clone(),
2220                        tool_call.id.clone(),
2221                        card_layout,
2222                        window,
2223                        cx,
2224                    )
2225                } else {
2226                    Empty.into_any_element()
2227                }
2228            }
2229            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2230            ToolCallContent::Terminal(terminal) => {
2231                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2232            }
2233        }
2234    }
2235
2236    fn render_markdown_output(
2237        &self,
2238        markdown: Entity<Markdown>,
2239        tool_call_id: acp::ToolCallId,
2240        card_layout: bool,
2241        window: &Window,
2242        cx: &Context<Self>,
2243    ) -> AnyElement {
2244        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2245
2246        v_flex()
2247            .mt_1p5()
2248            .gap_2()
2249            .when(!card_layout, |this| {
2250                this.ml(rems(0.4))
2251                    .px_3p5()
2252                    .border_l_1()
2253                    .border_color(self.tool_card_border_color(cx))
2254            })
2255            .when(card_layout, |this| {
2256                this.p_2()
2257                    .border_t_1()
2258                    .border_color(self.tool_card_border_color(cx))
2259            })
2260            .text_sm()
2261            .text_color(cx.theme().colors().text_muted)
2262            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2263            .when(!card_layout, |this| {
2264                this.child(
2265                    IconButton::new(button_id, IconName::ChevronUp)
2266                        .full_width()
2267                        .style(ButtonStyle::Outlined)
2268                        .icon_color(Color::Muted)
2269                        .on_click(cx.listener({
2270                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2271                                this.expanded_tool_calls.remove(&tool_call_id);
2272                                cx.notify();
2273                            }
2274                        })),
2275                )
2276            })
2277            .into_any_element()
2278    }
2279
2280    fn render_resource_link(
2281        &self,
2282        resource_link: &acp::ResourceLink,
2283        cx: &Context<Self>,
2284    ) -> AnyElement {
2285        let uri: SharedString = resource_link.uri.clone().into();
2286        let is_file = resource_link.uri.strip_prefix("file://");
2287
2288        let label: SharedString = if let Some(abs_path) = is_file {
2289            if let Some(project_path) = self
2290                .project
2291                .read(cx)
2292                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2293                && let Some(worktree) = self
2294                    .project
2295                    .read(cx)
2296                    .worktree_for_id(project_path.worktree_id, cx)
2297            {
2298                worktree
2299                    .read(cx)
2300                    .full_path(&project_path.path)
2301                    .to_string_lossy()
2302                    .to_string()
2303                    .into()
2304            } else {
2305                abs_path.to_string().into()
2306            }
2307        } else {
2308            uri.clone()
2309        };
2310
2311        let button_id = SharedString::from(format!("item-{}", uri));
2312
2313        div()
2314            .ml(rems(0.4))
2315            .pl_2p5()
2316            .border_l_1()
2317            .border_color(self.tool_card_border_color(cx))
2318            .overflow_hidden()
2319            .child(
2320                Button::new(button_id, label)
2321                    .label_size(LabelSize::Small)
2322                    .color(Color::Muted)
2323                    .truncate(true)
2324                    .when(is_file.is_none(), |this| {
2325                        this.icon(IconName::ArrowUpRight)
2326                            .icon_size(IconSize::XSmall)
2327                            .icon_color(Color::Muted)
2328                    })
2329                    .on_click(cx.listener({
2330                        let workspace = self.workspace.clone();
2331                        move |_, _, window, cx: &mut Context<Self>| {
2332                            Self::open_link(uri.clone(), &workspace, window, cx);
2333                        }
2334                    })),
2335            )
2336            .into_any_element()
2337    }
2338
2339    fn render_permission_buttons(
2340        &self,
2341        options: &[acp::PermissionOption],
2342        entry_ix: usize,
2343        tool_call_id: acp::ToolCallId,
2344        cx: &Context<Self>,
2345    ) -> Div {
2346        h_flex()
2347            .py_1()
2348            .pl_2()
2349            .pr_1()
2350            .gap_1()
2351            .justify_between()
2352            .flex_wrap()
2353            .border_t_1()
2354            .border_color(self.tool_card_border_color(cx))
2355            .child(
2356                div()
2357                    .min_w(rems_from_px(145.))
2358                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
2359            )
2360            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
2361                let option_id = SharedString::from(option.id.0.clone());
2362                Button::new((option_id, entry_ix), option.name.clone())
2363                    .map(|this| match option.kind {
2364                        acp::PermissionOptionKind::AllowOnce => {
2365                            this.icon(IconName::Check).icon_color(Color::Success)
2366                        }
2367                        acp::PermissionOptionKind::AllowAlways => {
2368                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
2369                        }
2370                        acp::PermissionOptionKind::RejectOnce => {
2371                            this.icon(IconName::Close).icon_color(Color::Error)
2372                        }
2373                        acp::PermissionOptionKind::RejectAlways => {
2374                            this.icon(IconName::Close).icon_color(Color::Error)
2375                        }
2376                    })
2377                    .icon_position(IconPosition::Start)
2378                    .icon_size(IconSize::XSmall)
2379                    .label_size(LabelSize::Small)
2380                    .on_click(cx.listener({
2381                        let tool_call_id = tool_call_id.clone();
2382                        let option_id = option.id.clone();
2383                        let option_kind = option.kind;
2384                        move |this, _, window, cx| {
2385                            this.authorize_tool_call(
2386                                tool_call_id.clone(),
2387                                option_id.clone(),
2388                                option_kind,
2389                                window,
2390                                cx,
2391                            );
2392                        }
2393                    }))
2394            })))
2395    }
2396
2397    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2398        let bar = |n: u64, width_class: &str| {
2399            let bg_color = cx.theme().colors().element_active;
2400            let base = h_flex().h_1().rounded_full();
2401
2402            let modified = match width_class {
2403                "w_4_5" => base.w_3_4(),
2404                "w_1_4" => base.w_1_4(),
2405                "w_2_4" => base.w_2_4(),
2406                "w_3_5" => base.w_3_5(),
2407                "w_2_5" => base.w_2_5(),
2408                _ => base.w_1_2(),
2409            };
2410
2411            modified.with_animation(
2412                ElementId::Integer(n),
2413                Animation::new(Duration::from_secs(2)).repeat(),
2414                move |tab, delta| {
2415                    let delta = (delta - 0.15 * n as f32) / 0.7;
2416                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2417                    let delta = ease_in_out(delta.clamp(0., 1.));
2418                    let delta = 0.1 + 0.9 * delta;
2419
2420                    tab.bg(bg_color.opacity(delta))
2421                },
2422            )
2423        };
2424
2425        v_flex()
2426            .p_3()
2427            .gap_1()
2428            .rounded_b_md()
2429            .bg(cx.theme().colors().editor_background)
2430            .child(bar(0, "w_4_5"))
2431            .child(bar(1, "w_1_4"))
2432            .child(bar(2, "w_2_4"))
2433            .child(bar(3, "w_3_5"))
2434            .child(bar(4, "w_2_5"))
2435            .into_any_element()
2436    }
2437
2438    fn render_diff_editor(
2439        &self,
2440        entry_ix: usize,
2441        diff: &Entity<acp_thread::Diff>,
2442        tool_call: &ToolCall,
2443        cx: &Context<Self>,
2444    ) -> AnyElement {
2445        let tool_progress = matches!(
2446            &tool_call.status,
2447            ToolCallStatus::InProgress | ToolCallStatus::Pending
2448        );
2449
2450        v_flex()
2451            .h_full()
2452            .border_t_1()
2453            .border_color(self.tool_card_border_color(cx))
2454            .child(
2455                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2456                    && let Some(editor) = entry.editor_for_diff(diff)
2457                    && diff.read(cx).has_revealed_range(cx)
2458                {
2459                    editor.into_any_element()
2460                } else if tool_progress && self.as_native_connection(cx).is_some() {
2461                    self.render_diff_loading(cx)
2462                } else {
2463                    Empty.into_any()
2464                },
2465            )
2466            .into_any()
2467    }
2468
2469    fn render_terminal_tool_call(
2470        &self,
2471        entry_ix: usize,
2472        terminal: &Entity<acp_thread::Terminal>,
2473        tool_call: &ToolCall,
2474        window: &Window,
2475        cx: &Context<Self>,
2476    ) -> AnyElement {
2477        let terminal_data = terminal.read(cx);
2478        let working_dir = terminal_data.working_dir();
2479        let command = terminal_data.command();
2480        let started_at = terminal_data.started_at();
2481
2482        let tool_failed = matches!(
2483            &tool_call.status,
2484            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2485        );
2486
2487        let output = terminal_data.output();
2488        let command_finished = output.is_some();
2489        let truncated_output =
2490            output.is_some_and(|output| output.original_content_len > output.content.len());
2491        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2492
2493        let command_failed = command_finished
2494            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2495
2496        let time_elapsed = if let Some(output) = output {
2497            output.ended_at.duration_since(started_at)
2498        } else {
2499            started_at.elapsed()
2500        };
2501
2502        let header_id =
2503            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2504        let header_group = SharedString::from(format!(
2505            "terminal-tool-header-group-{}",
2506            terminal.entity_id()
2507        ));
2508        let header_bg = cx
2509            .theme()
2510            .colors()
2511            .element_background
2512            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2513        let border_color = cx.theme().colors().border.opacity(0.6);
2514
2515        let working_dir = working_dir
2516            .as_ref()
2517            .map(|path| format!("{}", path.display()))
2518            .unwrap_or_else(|| "current directory".to_string());
2519
2520        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2521
2522        let header = h_flex()
2523            .id(header_id)
2524            .flex_none()
2525            .gap_1()
2526            .justify_between()
2527            .rounded_t_md()
2528            .child(
2529                div()
2530                    .id(("command-target-path", terminal.entity_id()))
2531                    .w_full()
2532                    .max_w_full()
2533                    .overflow_x_scroll()
2534                    .child(
2535                        Label::new(working_dir)
2536                            .buffer_font(cx)
2537                            .size(LabelSize::XSmall)
2538                            .color(Color::Muted),
2539                    ),
2540            )
2541            .when(!command_finished, |header| {
2542                header
2543                    .gap_1p5()
2544                    .child(
2545                        Button::new(
2546                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2547                            "Stop",
2548                        )
2549                        .icon(IconName::Stop)
2550                        .icon_position(IconPosition::Start)
2551                        .icon_size(IconSize::Small)
2552                        .icon_color(Color::Error)
2553                        .label_size(LabelSize::Small)
2554                        .tooltip(move |window, cx| {
2555                            Tooltip::with_meta(
2556                                "Stop This Command",
2557                                None,
2558                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2559                                window,
2560                                cx,
2561                            )
2562                        })
2563                        .on_click({
2564                            let terminal = terminal.clone();
2565                            cx.listener(move |_this, _event, _window, cx| {
2566                                let inner_terminal = terminal.read(cx).inner().clone();
2567                                inner_terminal.update(cx, |inner_terminal, _cx| {
2568                                    inner_terminal.kill_active_task();
2569                                });
2570                            })
2571                        }),
2572                    )
2573                    .child(Divider::vertical())
2574                    .child(
2575                        Icon::new(IconName::ArrowCircle)
2576                            .size(IconSize::XSmall)
2577                            .color(Color::Info)
2578                            .with_rotate_animation(2)
2579                    )
2580            })
2581            .child(
2582                Disclosure::new(
2583                    SharedString::from(format!(
2584                        "terminal-tool-disclosure-{}",
2585                        terminal.entity_id()
2586                    )),
2587                    is_expanded,
2588                )
2589                .opened_icon(IconName::ChevronUp)
2590                .closed_icon(IconName::ChevronDown)
2591                .visible_on_hover(&header_group)
2592                .on_click(cx.listener({
2593                    let id = tool_call.id.clone();
2594                    move |this, _event, _window, _cx| {
2595                        if is_expanded {
2596                            this.expanded_tool_calls.remove(&id);
2597                        } else {
2598                            this.expanded_tool_calls.insert(id.clone());
2599                        }
2600                    }
2601                })),
2602            )
2603            .when(truncated_output, |header| {
2604                let tooltip = if let Some(output) = output {
2605                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2606                       format!("Output exceeded terminal max lines and was \
2607                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2608                    } else {
2609                        format!(
2610                            "Output is {} long, and to avoid unexpected token usage, \
2611                                only {} was sent back to the agent.",
2612                            format_file_size(output.original_content_len as u64, true),
2613                             format_file_size(output.content.len() as u64, true)
2614                        )
2615                    }
2616                } else {
2617                    "Output was truncated".to_string()
2618                };
2619
2620                header.child(
2621                    h_flex()
2622                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2623                        .gap_1()
2624                        .child(
2625                            Icon::new(IconName::Info)
2626                                .size(IconSize::XSmall)
2627                                .color(Color::Ignored),
2628                        )
2629                        .child(
2630                            Label::new("Truncated")
2631                                .color(Color::Muted)
2632                                .size(LabelSize::XSmall),
2633                        )
2634                        .tooltip(Tooltip::text(tooltip)),
2635                )
2636            })
2637            .when(time_elapsed > Duration::from_secs(10), |header| {
2638                header.child(
2639                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2640                        .buffer_font(cx)
2641                        .color(Color::Muted)
2642                        .size(LabelSize::XSmall),
2643                )
2644            })
2645            .when(tool_failed || command_failed, |header| {
2646                header.child(
2647                    div()
2648                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2649                        .child(
2650                            Icon::new(IconName::Close)
2651                                .size(IconSize::Small)
2652                                .color(Color::Error),
2653                        )
2654                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2655                            this.tooltip(Tooltip::text(format!(
2656                                "Exited with code {}",
2657                                status.code().unwrap_or(-1),
2658                            )))
2659                        }),
2660                )
2661            });
2662
2663        let terminal_view = self
2664            .entry_view_state
2665            .read(cx)
2666            .entry(entry_ix)
2667            .and_then(|entry| entry.terminal(terminal));
2668        let show_output = is_expanded && terminal_view.is_some();
2669
2670        v_flex()
2671            .my_1p5()
2672            .mx_5()
2673            .border_1()
2674            .when(tool_failed || command_failed, |card| card.border_dashed())
2675            .border_color(border_color)
2676            .rounded_md()
2677            .overflow_hidden()
2678            .child(
2679                v_flex()
2680                    .group(&header_group)
2681                    .py_1p5()
2682                    .pr_1p5()
2683                    .pl_2()
2684                    .gap_0p5()
2685                    .bg(header_bg)
2686                    .text_xs()
2687                    .child(header)
2688                    .child(
2689                        MarkdownElement::new(
2690                            command.clone(),
2691                            terminal_command_markdown_style(window, cx),
2692                        )
2693                        .code_block_renderer(
2694                            markdown::CodeBlockRenderer::Default {
2695                                copy_button: false,
2696                                copy_button_on_hover: true,
2697                                border: false,
2698                            },
2699                        ),
2700                    ),
2701            )
2702            .when(show_output, |this| {
2703                this.child(
2704                    div()
2705                        .pt_2()
2706                        .border_t_1()
2707                        .when(tool_failed || command_failed, |card| card.border_dashed())
2708                        .border_color(border_color)
2709                        .bg(cx.theme().colors().editor_background)
2710                        .rounded_b_md()
2711                        .text_ui_sm(cx)
2712                        .h_full()
2713                        .children(terminal_view.map(|terminal_view| {
2714                            if terminal_view
2715                                .read(cx)
2716                                .content_mode(window, cx)
2717                                .is_scrollable()
2718                            {
2719                                div().h_72().child(terminal_view).into_any_element()
2720                            } else {
2721                                terminal_view.into_any_element()
2722                            }
2723                        })),
2724                )
2725            })
2726            .into_any()
2727    }
2728
2729    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2730        let project_context = self
2731            .as_native_thread(cx)?
2732            .read(cx)
2733            .project_context()
2734            .read(cx);
2735
2736        let user_rules_text = if project_context.user_rules.is_empty() {
2737            None
2738        } else if project_context.user_rules.len() == 1 {
2739            let user_rules = &project_context.user_rules[0];
2740
2741            match user_rules.title.as_ref() {
2742                Some(title) => Some(format!("Using \"{title}\" user rule")),
2743                None => Some("Using user rule".into()),
2744            }
2745        } else {
2746            Some(format!(
2747                "Using {} user rules",
2748                project_context.user_rules.len()
2749            ))
2750        };
2751
2752        let first_user_rules_id = project_context
2753            .user_rules
2754            .first()
2755            .map(|user_rules| user_rules.uuid.0);
2756
2757        let rules_files = project_context
2758            .worktrees
2759            .iter()
2760            .filter_map(|worktree| worktree.rules_file.as_ref())
2761            .collect::<Vec<_>>();
2762
2763        let rules_file_text = match rules_files.as_slice() {
2764            &[] => None,
2765            &[rules_file] => Some(format!(
2766                "Using project {:?} file",
2767                rules_file.path_in_worktree
2768            )),
2769            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2770        };
2771
2772        if user_rules_text.is_none() && rules_file_text.is_none() {
2773            return None;
2774        }
2775
2776        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2777
2778        Some(
2779            h_flex()
2780                .px_2p5()
2781                .child(
2782                    Icon::new(IconName::Attach)
2783                        .size(IconSize::XSmall)
2784                        .color(Color::Disabled),
2785                )
2786                .when_some(user_rules_text, |parent, user_rules_text| {
2787                    parent.child(
2788                        h_flex()
2789                            .id("user-rules")
2790                            .ml_1()
2791                            .mr_1p5()
2792                            .child(
2793                                Label::new(user_rules_text)
2794                                    .size(LabelSize::XSmall)
2795                                    .color(Color::Muted)
2796                                    .truncate(),
2797                            )
2798                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2799                            .tooltip(Tooltip::text("View User Rules"))
2800                            .on_click(move |_event, window, cx| {
2801                                window.dispatch_action(
2802                                    Box::new(OpenRulesLibrary {
2803                                        prompt_to_select: first_user_rules_id,
2804                                    }),
2805                                    cx,
2806                                )
2807                            }),
2808                    )
2809                })
2810                .when(has_both, |this| {
2811                    this.child(
2812                        Label::new("")
2813                            .size(LabelSize::XSmall)
2814                            .color(Color::Disabled),
2815                    )
2816                })
2817                .when_some(rules_file_text, |parent, rules_file_text| {
2818                    parent.child(
2819                        h_flex()
2820                            .id("project-rules")
2821                            .ml_1p5()
2822                            .child(
2823                                Label::new(rules_file_text)
2824                                    .size(LabelSize::XSmall)
2825                                    .color(Color::Muted),
2826                            )
2827                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2828                            .tooltip(Tooltip::text("View Project Rules"))
2829                            .on_click(cx.listener(Self::handle_open_rules)),
2830                    )
2831                })
2832                .into_any(),
2833        )
2834    }
2835
2836    fn render_empty_state_section_header(
2837        &self,
2838        label: impl Into<SharedString>,
2839        action_slot: Option<AnyElement>,
2840        cx: &mut Context<Self>,
2841    ) -> impl IntoElement {
2842        div().pl_1().pr_1p5().child(
2843            h_flex()
2844                .mt_2()
2845                .pl_1p5()
2846                .pb_1()
2847                .w_full()
2848                .justify_between()
2849                .border_b_1()
2850                .border_color(cx.theme().colors().border_variant)
2851                .child(
2852                    Label::new(label.into())
2853                        .size(LabelSize::Small)
2854                        .color(Color::Muted),
2855                )
2856                .children(action_slot),
2857        )
2858    }
2859
2860    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2861        let render_history = self
2862            .agent
2863            .clone()
2864            .downcast::<agent2::NativeAgentServer>()
2865            .is_some()
2866            && self
2867                .history_store
2868                .update(cx, |history_store, cx| !history_store.is_empty(cx));
2869
2870        v_flex()
2871            .size_full()
2872            .when(render_history, |this| {
2873                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
2874                    history_store.entries().take(3).collect()
2875                });
2876                this.justify_end().child(
2877                    v_flex()
2878                        .child(
2879                            self.render_empty_state_section_header(
2880                                "Recent",
2881                                Some(
2882                                    Button::new("view-history", "View All")
2883                                        .style(ButtonStyle::Subtle)
2884                                        .label_size(LabelSize::Small)
2885                                        .key_binding(
2886                                            KeyBinding::for_action_in(
2887                                                &OpenHistory,
2888                                                &self.focus_handle(cx),
2889                                                window,
2890                                                cx,
2891                                            )
2892                                            .map(|kb| kb.size(rems_from_px(12.))),
2893                                        )
2894                                        .on_click(move |_event, window, cx| {
2895                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2896                                        })
2897                                        .into_any_element(),
2898                                ),
2899                                cx,
2900                            ),
2901                        )
2902                        .child(
2903                            v_flex().p_1().pr_1p5().gap_1().children(
2904                                recent_history
2905                                    .into_iter()
2906                                    .enumerate()
2907                                    .map(|(index, entry)| {
2908                                        // TODO: Add keyboard navigation.
2909                                        let is_hovered =
2910                                            self.hovered_recent_history_item == Some(index);
2911                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2912                                            entry,
2913                                            cx.entity().downgrade(),
2914                                        )
2915                                        .hovered(is_hovered)
2916                                        .on_hover(cx.listener(
2917                                            move |this, is_hovered, _window, cx| {
2918                                                if *is_hovered {
2919                                                    this.hovered_recent_history_item = Some(index);
2920                                                } else if this.hovered_recent_history_item
2921                                                    == Some(index)
2922                                                {
2923                                                    this.hovered_recent_history_item = None;
2924                                                }
2925                                                cx.notify();
2926                                            },
2927                                        ))
2928                                        .into_any_element()
2929                                    }),
2930                            ),
2931                        ),
2932                )
2933            })
2934            .into_any()
2935    }
2936
2937    fn render_auth_required_state(
2938        &self,
2939        connection: &Rc<dyn AgentConnection>,
2940        description: Option<&Entity<Markdown>>,
2941        configuration_view: Option<&AnyView>,
2942        pending_auth_method: Option<&acp::AuthMethodId>,
2943        window: &mut Window,
2944        cx: &Context<Self>,
2945    ) -> Div {
2946        let show_description =
2947            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
2948
2949        v_flex().flex_1().size_full().justify_end().child(
2950            v_flex()
2951                .p_2()
2952                .pr_3()
2953                .w_full()
2954                .gap_1()
2955                .border_t_1()
2956                .border_color(cx.theme().colors().border)
2957                .bg(cx.theme().status().warning.opacity(0.04))
2958                .child(
2959                    h_flex()
2960                        .gap_1p5()
2961                        .child(
2962                            Icon::new(IconName::Warning)
2963                                .color(Color::Warning)
2964                                .size(IconSize::Small),
2965                        )
2966                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
2967                )
2968                .children(description.map(|desc| {
2969                    div().text_ui(cx).child(self.render_markdown(
2970                        desc.clone(),
2971                        default_markdown_style(false, false, window, cx),
2972                    ))
2973                }))
2974                .children(
2975                    configuration_view
2976                        .cloned()
2977                        .map(|view| div().w_full().child(view)),
2978                )
2979                .when(
2980                    show_description,
2981                    |el| {
2982                        el.child(
2983                            Label::new(format!(
2984                                "You are not currently authenticated with {}. Please choose one of the following options:",
2985                                self.agent.name()
2986                            ))
2987                            .size(LabelSize::Small)
2988                            .color(Color::Muted)
2989                            .mb_1()
2990                            .ml_5(),
2991                        )
2992                    },
2993                )
2994                .when_some(pending_auth_method, |el, _| {
2995                    el.child(
2996                        h_flex()
2997                            .py_4()
2998                            .w_full()
2999                            .justify_center()
3000                            .gap_1()
3001                            .child(
3002                                Icon::new(IconName::ArrowCircle)
3003                                    .size(IconSize::Small)
3004                                    .color(Color::Muted)
3005                                    .with_rotate_animation(2)
3006                            )
3007                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3008                    )
3009                })
3010                .when(!connection.auth_methods().is_empty(), |this| {
3011                    this.child(
3012                        h_flex()
3013                            .justify_end()
3014                            .flex_wrap()
3015                            .gap_1()
3016                            .when(!show_description, |this| {
3017                                this.border_t_1()
3018                                    .mt_1()
3019                                    .pt_2()
3020                                    .border_color(cx.theme().colors().border.opacity(0.8))
3021                            })
3022                            .children(
3023                                connection
3024                                    .auth_methods()
3025                                    .iter()
3026                                    .enumerate()
3027                                    .rev()
3028                                    .map(|(ix, method)| {
3029                                        Button::new(
3030                                            SharedString::from(method.id.0.clone()),
3031                                            method.name.clone(),
3032                                        )
3033                                        .when(ix == 0, |el| {
3034                                            el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
3035                                        })
3036                                        .label_size(LabelSize::Small)
3037                                        .on_click({
3038                                            let method_id = method.id.clone();
3039                                            cx.listener(move |this, _, window, cx| {
3040                                                telemetry::event!(
3041                                                    "Authenticate Agent Started",
3042                                                    agent = this.agent.telemetry_id(),
3043                                                    method = method_id
3044                                                );
3045
3046                                                this.authenticate(method_id.clone(), window, cx)
3047                                            })
3048                                        })
3049                                    }),
3050                            ),
3051                    )
3052                })
3053
3054        )
3055    }
3056
3057    fn render_load_error(
3058        &self,
3059        e: &LoadError,
3060        window: &mut Window,
3061        cx: &mut Context<Self>,
3062    ) -> AnyElement {
3063        let (title, message, action_slot): (_, SharedString, _) = match e {
3064            LoadError::Unsupported {
3065                command: path,
3066                current_version,
3067                minimum_version,
3068            } => {
3069                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3070            }
3071            LoadError::FailedToInstall(msg) => (
3072                "Failed to Install",
3073                msg.into(),
3074                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3075            ),
3076            LoadError::Exited { status } => (
3077                "Failed to Launch",
3078                format!("Server exited with status {status}").into(),
3079                None,
3080            ),
3081            LoadError::Other(msg) => (
3082                "Failed to Launch",
3083                msg.into(),
3084                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3085            ),
3086        };
3087
3088        Callout::new()
3089            .severity(Severity::Error)
3090            .icon(IconName::XCircleFilled)
3091            .title(title)
3092            .description(message)
3093            .actions_slot(div().children(action_slot))
3094            .into_any_element()
3095    }
3096
3097    fn render_unsupported(
3098        &self,
3099        path: &SharedString,
3100        version: &SharedString,
3101        minimum_version: &SharedString,
3102        _window: &mut Window,
3103        cx: &mut Context<Self>,
3104    ) -> AnyElement {
3105        let (heading_label, description_label) = (
3106            format!("Upgrade {} to work with Zed", self.agent.name()),
3107            if version.is_empty() {
3108                format!(
3109                    "Currently using {}, which does not report a valid --version",
3110                    path,
3111                )
3112            } else {
3113                format!(
3114                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3115                    path, version
3116                )
3117            },
3118        );
3119
3120        v_flex()
3121            .w_full()
3122            .p_3p5()
3123            .gap_2p5()
3124            .border_t_1()
3125            .border_color(cx.theme().colors().border)
3126            .bg(linear_gradient(
3127                180.,
3128                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3129                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3130            ))
3131            .child(
3132                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3133                    Label::new(description_label)
3134                        .size(LabelSize::Small)
3135                        .color(Color::Muted),
3136                ),
3137            )
3138            .into_any_element()
3139    }
3140
3141    fn render_activity_bar(
3142        &self,
3143        thread_entity: &Entity<AcpThread>,
3144        window: &mut Window,
3145        cx: &Context<Self>,
3146    ) -> Option<AnyElement> {
3147        let thread = thread_entity.read(cx);
3148        let action_log = thread.action_log();
3149        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3150        let plan = thread.plan();
3151
3152        if changed_buffers.is_empty() && plan.is_empty() {
3153            return None;
3154        }
3155
3156        let editor_bg_color = cx.theme().colors().editor_background;
3157        let active_color = cx.theme().colors().element_selected;
3158        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
3159
3160        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3161        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3162        // be, which blocks you from being able to accept or reject edits. This switches the
3163        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3164        // block you from using the panel.
3165        let pending_edits = false;
3166
3167        v_flex()
3168            .mt_1()
3169            .mx_2()
3170            .bg(bg_edit_files_disclosure)
3171            .border_1()
3172            .border_b_0()
3173            .border_color(cx.theme().colors().border)
3174            .rounded_t_md()
3175            .shadow(vec![gpui::BoxShadow {
3176                color: gpui::black().opacity(0.15),
3177                offset: point(px(1.), px(-1.)),
3178                blur_radius: px(3.),
3179                spread_radius: px(0.),
3180            }])
3181            .when(!plan.is_empty(), |this| {
3182                this.child(self.render_plan_summary(plan, window, cx))
3183                    .when(self.plan_expanded, |parent| {
3184                        parent.child(self.render_plan_entries(plan, window, cx))
3185                    })
3186            })
3187            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3188                this.child(Divider::horizontal().color(DividerColor::Border))
3189            })
3190            .when(!changed_buffers.is_empty(), |this| {
3191                this.child(self.render_edits_summary(
3192                    &changed_buffers,
3193                    self.edits_expanded,
3194                    pending_edits,
3195                    window,
3196                    cx,
3197                ))
3198                .when(self.edits_expanded, |parent| {
3199                    parent.child(self.render_edited_files(
3200                        action_log,
3201                        &changed_buffers,
3202                        pending_edits,
3203                        cx,
3204                    ))
3205                })
3206            })
3207            .into_any()
3208            .into()
3209    }
3210
3211    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3212        let stats = plan.stats();
3213
3214        let title = if let Some(entry) = stats.in_progress_entry
3215            && !self.plan_expanded
3216        {
3217            h_flex()
3218                .w_full()
3219                .cursor_default()
3220                .gap_1()
3221                .text_xs()
3222                .text_color(cx.theme().colors().text_muted)
3223                .justify_between()
3224                .child(
3225                    h_flex()
3226                        .gap_1()
3227                        .child(
3228                            Label::new("Current:")
3229                                .size(LabelSize::Small)
3230                                .color(Color::Muted),
3231                        )
3232                        .child(MarkdownElement::new(
3233                            entry.content.clone(),
3234                            plan_label_markdown_style(&entry.status, window, cx),
3235                        )),
3236                )
3237                .when(stats.pending > 0, |this| {
3238                    this.child(
3239                        Label::new(format!("{} left", stats.pending))
3240                            .size(LabelSize::Small)
3241                            .color(Color::Muted)
3242                            .mr_1(),
3243                    )
3244                })
3245        } else {
3246            let status_label = if stats.pending == 0 {
3247                "All Done".to_string()
3248            } else if stats.completed == 0 {
3249                format!("{} Tasks", plan.entries.len())
3250            } else {
3251                format!("{}/{}", stats.completed, plan.entries.len())
3252            };
3253
3254            h_flex()
3255                .w_full()
3256                .gap_1()
3257                .justify_between()
3258                .child(
3259                    Label::new("Plan")
3260                        .size(LabelSize::Small)
3261                        .color(Color::Muted),
3262                )
3263                .child(
3264                    Label::new(status_label)
3265                        .size(LabelSize::Small)
3266                        .color(Color::Muted)
3267                        .mr_1(),
3268                )
3269        };
3270
3271        h_flex()
3272            .p_1()
3273            .justify_between()
3274            .when(self.plan_expanded, |this| {
3275                this.border_b_1().border_color(cx.theme().colors().border)
3276            })
3277            .child(
3278                h_flex()
3279                    .id("plan_summary")
3280                    .w_full()
3281                    .gap_1()
3282                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3283                    .child(title)
3284                    .on_click(cx.listener(|this, _, _, cx| {
3285                        this.plan_expanded = !this.plan_expanded;
3286                        cx.notify();
3287                    })),
3288            )
3289    }
3290
3291    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3292        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3293            let element = h_flex()
3294                .py_1()
3295                .px_2()
3296                .gap_2()
3297                .justify_between()
3298                .bg(cx.theme().colors().editor_background)
3299                .when(index < plan.entries.len() - 1, |parent| {
3300                    parent.border_color(cx.theme().colors().border).border_b_1()
3301                })
3302                .child(
3303                    h_flex()
3304                        .id(("plan_entry", index))
3305                        .gap_1p5()
3306                        .max_w_full()
3307                        .overflow_x_scroll()
3308                        .text_xs()
3309                        .text_color(cx.theme().colors().text_muted)
3310                        .child(match entry.status {
3311                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3312                                .size(IconSize::Small)
3313                                .color(Color::Muted)
3314                                .into_any_element(),
3315                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3316                                .size(IconSize::Small)
3317                                .color(Color::Accent)
3318                                .with_rotate_animation(2)
3319                                .into_any_element(),
3320                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3321                                .size(IconSize::Small)
3322                                .color(Color::Success)
3323                                .into_any_element(),
3324                        })
3325                        .child(MarkdownElement::new(
3326                            entry.content.clone(),
3327                            plan_label_markdown_style(&entry.status, window, cx),
3328                        )),
3329                );
3330
3331            Some(element)
3332        }))
3333    }
3334
3335    fn render_edits_summary(
3336        &self,
3337        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3338        expanded: bool,
3339        pending_edits: bool,
3340        window: &mut Window,
3341        cx: &Context<Self>,
3342    ) -> Div {
3343        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3344
3345        let focus_handle = self.focus_handle(cx);
3346
3347        h_flex()
3348            .p_1()
3349            .justify_between()
3350            .flex_wrap()
3351            .when(expanded, |this| {
3352                this.border_b_1().border_color(cx.theme().colors().border)
3353            })
3354            .child(
3355                h_flex()
3356                    .id("edits-container")
3357                    .gap_1()
3358                    .child(Disclosure::new("edits-disclosure", expanded))
3359                    .map(|this| {
3360                        if pending_edits {
3361                            this.child(
3362                                Label::new(format!(
3363                                    "Editing {} {}",
3364                                    changed_buffers.len(),
3365                                    if changed_buffers.len() == 1 {
3366                                        "file"
3367                                    } else {
3368                                        "files"
3369                                    }
3370                                ))
3371                                .color(Color::Muted)
3372                                .size(LabelSize::Small)
3373                                .with_animation(
3374                                    "edit-label",
3375                                    Animation::new(Duration::from_secs(2))
3376                                        .repeat()
3377                                        .with_easing(pulsating_between(0.3, 0.7)),
3378                                    |label, delta| label.alpha(delta),
3379                                ),
3380                            )
3381                        } else {
3382                            this.child(
3383                                Label::new("Edits")
3384                                    .size(LabelSize::Small)
3385                                    .color(Color::Muted),
3386                            )
3387                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3388                            .child(
3389                                Label::new(format!(
3390                                    "{} {}",
3391                                    changed_buffers.len(),
3392                                    if changed_buffers.len() == 1 {
3393                                        "file"
3394                                    } else {
3395                                        "files"
3396                                    }
3397                                ))
3398                                .size(LabelSize::Small)
3399                                .color(Color::Muted),
3400                            )
3401                        }
3402                    })
3403                    .on_click(cx.listener(|this, _, _, cx| {
3404                        this.edits_expanded = !this.edits_expanded;
3405                        cx.notify();
3406                    })),
3407            )
3408            .child(
3409                h_flex()
3410                    .gap_1()
3411                    .child(
3412                        IconButton::new("review-changes", IconName::ListTodo)
3413                            .icon_size(IconSize::Small)
3414                            .tooltip({
3415                                let focus_handle = focus_handle.clone();
3416                                move |window, cx| {
3417                                    Tooltip::for_action_in(
3418                                        "Review Changes",
3419                                        &OpenAgentDiff,
3420                                        &focus_handle,
3421                                        window,
3422                                        cx,
3423                                    )
3424                                }
3425                            })
3426                            .on_click(cx.listener(|_, _, window, cx| {
3427                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3428                            })),
3429                    )
3430                    .child(Divider::vertical().color(DividerColor::Border))
3431                    .child(
3432                        Button::new("reject-all-changes", "Reject All")
3433                            .label_size(LabelSize::Small)
3434                            .disabled(pending_edits)
3435                            .when(pending_edits, |this| {
3436                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3437                            })
3438                            .key_binding(
3439                                KeyBinding::for_action_in(
3440                                    &RejectAll,
3441                                    &focus_handle.clone(),
3442                                    window,
3443                                    cx,
3444                                )
3445                                .map(|kb| kb.size(rems_from_px(10.))),
3446                            )
3447                            .on_click(cx.listener(move |this, _, window, cx| {
3448                                this.reject_all(&RejectAll, window, cx);
3449                            })),
3450                    )
3451                    .child(
3452                        Button::new("keep-all-changes", "Keep All")
3453                            .label_size(LabelSize::Small)
3454                            .disabled(pending_edits)
3455                            .when(pending_edits, |this| {
3456                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3457                            })
3458                            .key_binding(
3459                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3460                                    .map(|kb| kb.size(rems_from_px(10.))),
3461                            )
3462                            .on_click(cx.listener(move |this, _, window, cx| {
3463                                this.keep_all(&KeepAll, window, cx);
3464                            })),
3465                    ),
3466            )
3467    }
3468
3469    fn render_edited_files(
3470        &self,
3471        action_log: &Entity<ActionLog>,
3472        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3473        pending_edits: bool,
3474        cx: &Context<Self>,
3475    ) -> Div {
3476        let editor_bg_color = cx.theme().colors().editor_background;
3477
3478        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3479            |(index, (buffer, _diff))| {
3480                let file = buffer.read(cx).file()?;
3481                let path = file.path();
3482
3483                let file_path = path.parent().and_then(|parent| {
3484                    let parent_str = parent.to_string_lossy();
3485
3486                    if parent_str.is_empty() {
3487                        None
3488                    } else {
3489                        Some(
3490                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3491                                .color(Color::Muted)
3492                                .size(LabelSize::XSmall)
3493                                .buffer_font(cx),
3494                        )
3495                    }
3496                });
3497
3498                let file_name = path.file_name().map(|name| {
3499                    Label::new(name.to_string_lossy().to_string())
3500                        .size(LabelSize::XSmall)
3501                        .buffer_font(cx)
3502                });
3503
3504                let file_icon = FileIcons::get_icon(path, cx)
3505                    .map(Icon::from_path)
3506                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3507                    .unwrap_or_else(|| {
3508                        Icon::new(IconName::File)
3509                            .color(Color::Muted)
3510                            .size(IconSize::Small)
3511                    });
3512
3513                let overlay_gradient = linear_gradient(
3514                    90.,
3515                    linear_color_stop(editor_bg_color, 1.),
3516                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3517                );
3518
3519                let element = h_flex()
3520                    .group("edited-code")
3521                    .id(("file-container", index))
3522                    .py_1()
3523                    .pl_2()
3524                    .pr_1()
3525                    .gap_2()
3526                    .justify_between()
3527                    .bg(editor_bg_color)
3528                    .when(index < changed_buffers.len() - 1, |parent| {
3529                        parent.border_color(cx.theme().colors().border).border_b_1()
3530                    })
3531                    .child(
3532                        h_flex()
3533                            .relative()
3534                            .id(("file-name", index))
3535                            .pr_8()
3536                            .gap_1p5()
3537                            .max_w_full()
3538                            .overflow_x_scroll()
3539                            .child(file_icon)
3540                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3541                            .child(
3542                                div()
3543                                    .absolute()
3544                                    .h_full()
3545                                    .w_12()
3546                                    .top_0()
3547                                    .bottom_0()
3548                                    .right_0()
3549                                    .bg(overlay_gradient),
3550                            )
3551                            .on_click({
3552                                let buffer = buffer.clone();
3553                                cx.listener(move |this, _, window, cx| {
3554                                    this.open_edited_buffer(&buffer, window, cx);
3555                                })
3556                            }),
3557                    )
3558                    .child(
3559                        h_flex()
3560                            .gap_1()
3561                            .visible_on_hover("edited-code")
3562                            .child(
3563                                Button::new("review", "Review")
3564                                    .label_size(LabelSize::Small)
3565                                    .on_click({
3566                                        let buffer = buffer.clone();
3567                                        cx.listener(move |this, _, window, cx| {
3568                                            this.open_edited_buffer(&buffer, window, cx);
3569                                        })
3570                                    }),
3571                            )
3572                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3573                            .child(
3574                                Button::new("reject-file", "Reject")
3575                                    .label_size(LabelSize::Small)
3576                                    .disabled(pending_edits)
3577                                    .on_click({
3578                                        let buffer = buffer.clone();
3579                                        let action_log = action_log.clone();
3580                                        move |_, _, cx| {
3581                                            action_log.update(cx, |action_log, cx| {
3582                                                action_log
3583                                                    .reject_edits_in_ranges(
3584                                                        buffer.clone(),
3585                                                        vec![Anchor::MIN..Anchor::MAX],
3586                                                        cx,
3587                                                    )
3588                                                    .detach_and_log_err(cx);
3589                                            })
3590                                        }
3591                                    }),
3592                            )
3593                            .child(
3594                                Button::new("keep-file", "Keep")
3595                                    .label_size(LabelSize::Small)
3596                                    .disabled(pending_edits)
3597                                    .on_click({
3598                                        let buffer = buffer.clone();
3599                                        let action_log = action_log.clone();
3600                                        move |_, _, cx| {
3601                                            action_log.update(cx, |action_log, cx| {
3602                                                action_log.keep_edits_in_range(
3603                                                    buffer.clone(),
3604                                                    Anchor::MIN..Anchor::MAX,
3605                                                    cx,
3606                                                );
3607                                            })
3608                                        }
3609                                    }),
3610                            ),
3611                    );
3612
3613                Some(element)
3614            },
3615        ))
3616    }
3617
3618    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3619        let focus_handle = self.message_editor.focus_handle(cx);
3620        let editor_bg_color = cx.theme().colors().editor_background;
3621        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3622            (IconName::Minimize, "Minimize Message Editor")
3623        } else {
3624            (IconName::Maximize, "Expand Message Editor")
3625        };
3626
3627        let backdrop = div()
3628            .size_full()
3629            .absolute()
3630            .inset_0()
3631            .bg(cx.theme().colors().panel_background)
3632            .opacity(0.8)
3633            .block_mouse_except_scroll();
3634
3635        let enable_editor = match self.thread_state {
3636            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3637            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3638        };
3639
3640        v_flex()
3641            .on_action(cx.listener(Self::expand_message_editor))
3642            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3643                if let Some(profile_selector) = this.profile_selector.as_ref() {
3644                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3645                }
3646            }))
3647            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3648                if let Some(model_selector) = this.model_selector.as_ref() {
3649                    model_selector
3650                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3651                }
3652            }))
3653            .p_2()
3654            .gap_2()
3655            .border_t_1()
3656            .border_color(cx.theme().colors().border)
3657            .bg(editor_bg_color)
3658            .when(self.editor_expanded, |this| {
3659                this.h(vh(0.8, window)).size_full().justify_between()
3660            })
3661            .child(
3662                v_flex()
3663                    .relative()
3664                    .size_full()
3665                    .pt_1()
3666                    .pr_2p5()
3667                    .child(self.message_editor.clone())
3668                    .child(
3669                        h_flex()
3670                            .absolute()
3671                            .top_0()
3672                            .right_0()
3673                            .opacity(0.5)
3674                            .hover(|this| this.opacity(1.0))
3675                            .child(
3676                                IconButton::new("toggle-height", expand_icon)
3677                                    .icon_size(IconSize::Small)
3678                                    .icon_color(Color::Muted)
3679                                    .tooltip({
3680                                        move |window, cx| {
3681                                            Tooltip::for_action_in(
3682                                                expand_tooltip,
3683                                                &ExpandMessageEditor,
3684                                                &focus_handle,
3685                                                window,
3686                                                cx,
3687                                            )
3688                                        }
3689                                    })
3690                                    .on_click(cx.listener(|_, _, window, cx| {
3691                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3692                                    })),
3693                            ),
3694                    ),
3695            )
3696            .child(
3697                h_flex()
3698                    .flex_none()
3699                    .flex_wrap()
3700                    .justify_between()
3701                    .child(
3702                        h_flex()
3703                            .child(self.render_follow_toggle(cx))
3704                            .children(self.render_burn_mode_toggle(cx)),
3705                    )
3706                    .child(
3707                        h_flex()
3708                            .gap_1()
3709                            .children(self.render_token_usage(cx))
3710                            .children(self.profile_selector.clone())
3711                            .children(self.model_selector.clone())
3712                            .child(self.render_send_button(cx)),
3713                    ),
3714            )
3715            .when(!enable_editor, |this| this.child(backdrop))
3716            .into_any()
3717    }
3718
3719    pub(crate) fn as_native_connection(
3720        &self,
3721        cx: &App,
3722    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3723        let acp_thread = self.thread()?.read(cx);
3724        acp_thread.connection().clone().downcast()
3725    }
3726
3727    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3728        let acp_thread = self.thread()?.read(cx);
3729        self.as_native_connection(cx)?
3730            .thread(acp_thread.session_id(), cx)
3731    }
3732
3733    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3734        self.as_native_thread(cx)
3735            .and_then(|thread| thread.read(cx).model())
3736            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3737    }
3738
3739    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3740        let thread = self.thread()?.read(cx);
3741        let usage = thread.token_usage()?;
3742        let is_generating = thread.status() != ThreadStatus::Idle;
3743
3744        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3745        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3746
3747        Some(
3748            h_flex()
3749                .flex_shrink_0()
3750                .gap_0p5()
3751                .mr_1p5()
3752                .child(
3753                    Label::new(used)
3754                        .size(LabelSize::Small)
3755                        .color(Color::Muted)
3756                        .map(|label| {
3757                            if is_generating {
3758                                label
3759                                    .with_animation(
3760                                        "used-tokens-label",
3761                                        Animation::new(Duration::from_secs(2))
3762                                            .repeat()
3763                                            .with_easing(pulsating_between(0.3, 0.8)),
3764                                        |label, delta| label.alpha(delta),
3765                                    )
3766                                    .into_any()
3767                            } else {
3768                                label.into_any_element()
3769                            }
3770                        }),
3771                )
3772                .child(
3773                    Label::new("/")
3774                        .size(LabelSize::Small)
3775                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3776                )
3777                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3778        )
3779    }
3780
3781    fn toggle_burn_mode(
3782        &mut self,
3783        _: &ToggleBurnMode,
3784        _window: &mut Window,
3785        cx: &mut Context<Self>,
3786    ) {
3787        let Some(thread) = self.as_native_thread(cx) else {
3788            return;
3789        };
3790
3791        thread.update(cx, |thread, cx| {
3792            let current_mode = thread.completion_mode();
3793            thread.set_completion_mode(
3794                match current_mode {
3795                    CompletionMode::Burn => CompletionMode::Normal,
3796                    CompletionMode::Normal => CompletionMode::Burn,
3797                },
3798                cx,
3799            );
3800        });
3801    }
3802
3803    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3804        let Some(thread) = self.thread() else {
3805            return;
3806        };
3807        let action_log = thread.read(cx).action_log().clone();
3808        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3809    }
3810
3811    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3812        let Some(thread) = self.thread() else {
3813            return;
3814        };
3815        let action_log = thread.read(cx).action_log().clone();
3816        action_log
3817            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3818            .detach();
3819    }
3820
3821    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3822        let thread = self.as_native_thread(cx)?.read(cx);
3823
3824        if thread
3825            .model()
3826            .is_none_or(|model| !model.supports_burn_mode())
3827        {
3828            return None;
3829        }
3830
3831        let active_completion_mode = thread.completion_mode();
3832        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3833        let icon = if burn_mode_enabled {
3834            IconName::ZedBurnModeOn
3835        } else {
3836            IconName::ZedBurnMode
3837        };
3838
3839        Some(
3840            IconButton::new("burn-mode", icon)
3841                .icon_size(IconSize::Small)
3842                .icon_color(Color::Muted)
3843                .toggle_state(burn_mode_enabled)
3844                .selected_icon_color(Color::Error)
3845                .on_click(cx.listener(|this, _event, window, cx| {
3846                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3847                }))
3848                .tooltip(move |_window, cx| {
3849                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3850                        .into()
3851                })
3852                .into_any_element(),
3853        )
3854    }
3855
3856    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3857        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3858        let is_generating = self
3859            .thread()
3860            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3861
3862        if self.is_loading_contents {
3863            div()
3864                .id("loading-message-content")
3865                .px_1()
3866                .tooltip(Tooltip::text("Loading Added Context…"))
3867                .child(loading_contents_spinner(IconSize::default()))
3868                .into_any_element()
3869        } else if is_generating && is_editor_empty {
3870            IconButton::new("stop-generation", IconName::Stop)
3871                .icon_color(Color::Error)
3872                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3873                .tooltip(move |window, cx| {
3874                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3875                })
3876                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3877                .into_any_element()
3878        } else {
3879            let send_btn_tooltip = if is_editor_empty && !is_generating {
3880                "Type to Send"
3881            } else if is_generating {
3882                "Stop and Send Message"
3883            } else {
3884                "Send"
3885            };
3886
3887            IconButton::new("send-message", IconName::Send)
3888                .style(ButtonStyle::Filled)
3889                .map(|this| {
3890                    if is_editor_empty && !is_generating {
3891                        this.disabled(true).icon_color(Color::Muted)
3892                    } else {
3893                        this.icon_color(Color::Accent)
3894                    }
3895                })
3896                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3897                .on_click(cx.listener(|this, _, window, cx| {
3898                    this.send(window, cx);
3899                }))
3900                .into_any_element()
3901        }
3902    }
3903
3904    fn is_following(&self, cx: &App) -> bool {
3905        match self.thread().map(|thread| thread.read(cx).status()) {
3906            Some(ThreadStatus::Generating) => self
3907                .workspace
3908                .read_with(cx, |workspace, _| {
3909                    workspace.is_being_followed(CollaboratorId::Agent)
3910                })
3911                .unwrap_or(false),
3912            _ => self.should_be_following,
3913        }
3914    }
3915
3916    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3917        let following = self.is_following(cx);
3918
3919        self.should_be_following = !following;
3920        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
3921            self.workspace
3922                .update(cx, |workspace, cx| {
3923                    if following {
3924                        workspace.unfollow(CollaboratorId::Agent, window, cx);
3925                    } else {
3926                        workspace.follow(CollaboratorId::Agent, window, cx);
3927                    }
3928                })
3929                .ok();
3930        }
3931
3932        telemetry::event!("Follow Agent Selected", following = !following);
3933    }
3934
3935    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3936        let following = self.is_following(cx);
3937
3938        let tooltip_label = if following {
3939            if self.agent.name() == "Zed Agent" {
3940                format!("Stop Following the {}", self.agent.name())
3941            } else {
3942                format!("Stop Following {}", self.agent.name())
3943            }
3944        } else {
3945            if self.agent.name() == "Zed Agent" {
3946                format!("Follow the {}", self.agent.name())
3947            } else {
3948                format!("Follow {}", self.agent.name())
3949            }
3950        };
3951
3952        IconButton::new("follow-agent", IconName::Crosshair)
3953            .icon_size(IconSize::Small)
3954            .icon_color(Color::Muted)
3955            .toggle_state(following)
3956            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3957            .tooltip(move |window, cx| {
3958                if following {
3959                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
3960                } else {
3961                    Tooltip::with_meta(
3962                        tooltip_label.clone(),
3963                        Some(&Follow),
3964                        "Track the agent's location as it reads and edits files.",
3965                        window,
3966                        cx,
3967                    )
3968                }
3969            })
3970            .on_click(cx.listener(move |this, _, window, cx| {
3971                this.toggle_following(window, cx);
3972            }))
3973    }
3974
3975    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
3976        let workspace = self.workspace.clone();
3977        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
3978            Self::open_link(text, &workspace, window, cx);
3979        })
3980    }
3981
3982    fn open_link(
3983        url: SharedString,
3984        workspace: &WeakEntity<Workspace>,
3985        window: &mut Window,
3986        cx: &mut App,
3987    ) {
3988        let Some(workspace) = workspace.upgrade() else {
3989            cx.open_url(&url);
3990            return;
3991        };
3992
3993        if let Some(mention) = MentionUri::parse(&url).log_err() {
3994            workspace.update(cx, |workspace, cx| match mention {
3995                MentionUri::File { abs_path } => {
3996                    let project = workspace.project();
3997                    let Some(path) =
3998                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
3999                    else {
4000                        return;
4001                    };
4002
4003                    workspace
4004                        .open_path(path, None, true, window, cx)
4005                        .detach_and_log_err(cx);
4006                }
4007                MentionUri::PastedImage => {}
4008                MentionUri::Directory { abs_path } => {
4009                    let project = workspace.project();
4010                    let Some(entry) = project.update(cx, |project, cx| {
4011                        let path = project.find_project_path(abs_path, cx)?;
4012                        project.entry_for_path(&path, cx)
4013                    }) else {
4014                        return;
4015                    };
4016
4017                    project.update(cx, |_, cx| {
4018                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
4019                    });
4020                }
4021                MentionUri::Symbol {
4022                    abs_path: path,
4023                    line_range,
4024                    ..
4025                }
4026                | MentionUri::Selection {
4027                    abs_path: Some(path),
4028                    line_range,
4029                } => {
4030                    let project = workspace.project();
4031                    let Some((path, _)) = project.update(cx, |project, cx| {
4032                        let path = project.find_project_path(path, cx)?;
4033                        let entry = project.entry_for_path(&path, cx)?;
4034                        Some((path, entry))
4035                    }) else {
4036                        return;
4037                    };
4038
4039                    let item = workspace.open_path(path, None, true, window, cx);
4040                    window
4041                        .spawn(cx, async move |cx| {
4042                            let Some(editor) = item.await?.downcast::<Editor>() else {
4043                                return Ok(());
4044                            };
4045                            let range = Point::new(*line_range.start(), 0)
4046                                ..Point::new(*line_range.start(), 0);
4047                            editor
4048                                .update_in(cx, |editor, window, cx| {
4049                                    editor.change_selections(
4050                                        SelectionEffects::scroll(Autoscroll::center()),
4051                                        window,
4052                                        cx,
4053                                        |s| s.select_ranges(vec![range]),
4054                                    );
4055                                })
4056                                .ok();
4057                            anyhow::Ok(())
4058                        })
4059                        .detach_and_log_err(cx);
4060                }
4061                MentionUri::Selection { abs_path: None, .. } => {}
4062                MentionUri::Thread { id, name } => {
4063                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4064                        panel.update(cx, |panel, cx| {
4065                            panel.load_agent_thread(
4066                                DbThreadMetadata {
4067                                    id,
4068                                    title: name.into(),
4069                                    updated_at: Default::default(),
4070                                },
4071                                window,
4072                                cx,
4073                            )
4074                        });
4075                    }
4076                }
4077                MentionUri::TextThread { path, .. } => {
4078                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4079                        panel.update(cx, |panel, cx| {
4080                            panel
4081                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
4082                                .detach_and_log_err(cx);
4083                        });
4084                    }
4085                }
4086                MentionUri::Rule { id, .. } => {
4087                    let PromptId::User { uuid } = id else {
4088                        return;
4089                    };
4090                    window.dispatch_action(
4091                        Box::new(OpenRulesLibrary {
4092                            prompt_to_select: Some(uuid.0),
4093                        }),
4094                        cx,
4095                    )
4096                }
4097                MentionUri::Fetch { url } => {
4098                    cx.open_url(url.as_str());
4099                }
4100            })
4101        } else {
4102            cx.open_url(&url);
4103        }
4104    }
4105
4106    fn open_tool_call_location(
4107        &self,
4108        entry_ix: usize,
4109        location_ix: usize,
4110        window: &mut Window,
4111        cx: &mut Context<Self>,
4112    ) -> Option<()> {
4113        let (tool_call_location, agent_location) = self
4114            .thread()?
4115            .read(cx)
4116            .entries()
4117            .get(entry_ix)?
4118            .location(location_ix)?;
4119
4120        let project_path = self
4121            .project
4122            .read(cx)
4123            .find_project_path(&tool_call_location.path, cx)?;
4124
4125        let open_task = self
4126            .workspace
4127            .update(cx, |workspace, cx| {
4128                workspace.open_path(project_path, None, true, window, cx)
4129            })
4130            .log_err()?;
4131        window
4132            .spawn(cx, async move |cx| {
4133                let item = open_task.await?;
4134
4135                let Some(active_editor) = item.downcast::<Editor>() else {
4136                    return anyhow::Ok(());
4137                };
4138
4139                active_editor.update_in(cx, |editor, window, cx| {
4140                    let multibuffer = editor.buffer().read(cx);
4141                    let buffer = multibuffer.as_singleton();
4142                    if agent_location.buffer.upgrade() == buffer {
4143                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4144                        let anchor = editor::Anchor::in_buffer(
4145                            excerpt_id.unwrap(),
4146                            buffer.unwrap().read(cx).remote_id(),
4147                            agent_location.position,
4148                        );
4149                        editor.change_selections(Default::default(), window, cx, |selections| {
4150                            selections.select_anchor_ranges([anchor..anchor]);
4151                        })
4152                    } else {
4153                        let row = tool_call_location.line.unwrap_or_default();
4154                        editor.change_selections(Default::default(), window, cx, |selections| {
4155                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4156                        })
4157                    }
4158                })?;
4159
4160                anyhow::Ok(())
4161            })
4162            .detach_and_log_err(cx);
4163
4164        None
4165    }
4166
4167    pub fn open_thread_as_markdown(
4168        &self,
4169        workspace: Entity<Workspace>,
4170        window: &mut Window,
4171        cx: &mut App,
4172    ) -> Task<Result<()>> {
4173        let markdown_language_task = workspace
4174            .read(cx)
4175            .app_state()
4176            .languages
4177            .language_for_name("Markdown");
4178
4179        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4180            let thread = thread.read(cx);
4181            (thread.title().to_string(), thread.to_markdown(cx))
4182        } else {
4183            return Task::ready(Ok(()));
4184        };
4185
4186        window.spawn(cx, async move |cx| {
4187            let markdown_language = markdown_language_task.await?;
4188
4189            workspace.update_in(cx, |workspace, window, cx| {
4190                let project = workspace.project().clone();
4191
4192                if !project.read(cx).is_local() {
4193                    bail!("failed to open active thread as markdown in remote project");
4194                }
4195
4196                let buffer = project.update(cx, |project, cx| {
4197                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
4198                });
4199                let buffer = cx.new(|cx| {
4200                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4201                });
4202
4203                workspace.add_item_to_active_pane(
4204                    Box::new(cx.new(|cx| {
4205                        let mut editor =
4206                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4207                        editor.set_breadcrumb_header(thread_summary);
4208                        editor
4209                    })),
4210                    None,
4211                    true,
4212                    window,
4213                    cx,
4214                );
4215
4216                anyhow::Ok(())
4217            })??;
4218            anyhow::Ok(())
4219        })
4220    }
4221
4222    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4223        self.list_state.scroll_to(ListOffset::default());
4224        cx.notify();
4225    }
4226
4227    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4228        if let Some(thread) = self.thread() {
4229            let entry_count = thread.read(cx).entries().len();
4230            self.list_state.reset(entry_count);
4231            cx.notify();
4232        }
4233    }
4234
4235    fn notify_with_sound(
4236        &mut self,
4237        caption: impl Into<SharedString>,
4238        icon: IconName,
4239        window: &mut Window,
4240        cx: &mut Context<Self>,
4241    ) {
4242        self.play_notification_sound(window, cx);
4243        self.show_notification(caption, icon, window, cx);
4244    }
4245
4246    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4247        let settings = AgentSettings::get_global(cx);
4248        if settings.play_sound_when_agent_done && !window.is_window_active() {
4249            Audio::play_sound(Sound::AgentDone, cx);
4250        }
4251    }
4252
4253    fn show_notification(
4254        &mut self,
4255        caption: impl Into<SharedString>,
4256        icon: IconName,
4257        window: &mut Window,
4258        cx: &mut Context<Self>,
4259    ) {
4260        if window.is_window_active() || !self.notifications.is_empty() {
4261            return;
4262        }
4263
4264        // TODO: Change this once we have title summarization for external agents.
4265        let title = self.agent.name();
4266
4267        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4268            NotifyWhenAgentWaiting::PrimaryScreen => {
4269                if let Some(primary) = cx.primary_display() {
4270                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4271                }
4272            }
4273            NotifyWhenAgentWaiting::AllScreens => {
4274                let caption = caption.into();
4275                for screen in cx.displays() {
4276                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4277                }
4278            }
4279            NotifyWhenAgentWaiting::Never => {
4280                // Don't show anything
4281            }
4282        }
4283    }
4284
4285    fn pop_up(
4286        &mut self,
4287        icon: IconName,
4288        caption: SharedString,
4289        title: SharedString,
4290        window: &mut Window,
4291        screen: Rc<dyn PlatformDisplay>,
4292        cx: &mut Context<Self>,
4293    ) {
4294        let options = AgentNotification::window_options(screen, cx);
4295
4296        let project_name = self.workspace.upgrade().and_then(|workspace| {
4297            workspace
4298                .read(cx)
4299                .project()
4300                .read(cx)
4301                .visible_worktrees(cx)
4302                .next()
4303                .map(|worktree| worktree.read(cx).root_name().to_string())
4304        });
4305
4306        if let Some(screen_window) = cx
4307            .open_window(options, |_, cx| {
4308                cx.new(|_| {
4309                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4310                })
4311            })
4312            .log_err()
4313            && let Some(pop_up) = screen_window.entity(cx).log_err()
4314        {
4315            self.notification_subscriptions
4316                .entry(screen_window)
4317                .or_insert_with(Vec::new)
4318                .push(cx.subscribe_in(&pop_up, window, {
4319                    |this, _, event, window, cx| match event {
4320                        AgentNotificationEvent::Accepted => {
4321                            let handle = window.window_handle();
4322                            cx.activate(true);
4323
4324                            let workspace_handle = this.workspace.clone();
4325
4326                            // If there are multiple Zed windows, activate the correct one.
4327                            cx.defer(move |cx| {
4328                                handle
4329                                    .update(cx, |_view, window, _cx| {
4330                                        window.activate_window();
4331
4332                                        if let Some(workspace) = workspace_handle.upgrade() {
4333                                            workspace.update(_cx, |workspace, cx| {
4334                                                workspace.focus_panel::<AgentPanel>(window, cx);
4335                                            });
4336                                        }
4337                                    })
4338                                    .log_err();
4339                            });
4340
4341                            this.dismiss_notifications(cx);
4342                        }
4343                        AgentNotificationEvent::Dismissed => {
4344                            this.dismiss_notifications(cx);
4345                        }
4346                    }
4347                }));
4348
4349            self.notifications.push(screen_window);
4350
4351            // If the user manually refocuses the original window, dismiss the popup.
4352            self.notification_subscriptions
4353                .entry(screen_window)
4354                .or_insert_with(Vec::new)
4355                .push({
4356                    let pop_up_weak = pop_up.downgrade();
4357
4358                    cx.observe_window_activation(window, move |_, window, cx| {
4359                        if window.is_window_active()
4360                            && let Some(pop_up) = pop_up_weak.upgrade()
4361                        {
4362                            pop_up.update(cx, |_, cx| {
4363                                cx.emit(AgentNotificationEvent::Dismissed);
4364                            });
4365                        }
4366                    })
4367                });
4368        }
4369    }
4370
4371    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4372        for window in self.notifications.drain(..) {
4373            window
4374                .update(cx, |_, window, _| {
4375                    window.remove_window();
4376                })
4377                .ok();
4378
4379            self.notification_subscriptions.remove(&window);
4380        }
4381    }
4382
4383    fn render_thread_controls(
4384        &self,
4385        thread: &Entity<AcpThread>,
4386        cx: &Context<Self>,
4387    ) -> impl IntoElement {
4388        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4389        if is_generating {
4390            return h_flex().id("thread-controls-container").child(
4391                div()
4392                    .py_2()
4393                    .px(rems_from_px(22.))
4394                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4395            );
4396        }
4397
4398        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4399            .shape(ui::IconButtonShape::Square)
4400            .icon_size(IconSize::Small)
4401            .icon_color(Color::Ignored)
4402            .tooltip(Tooltip::text("Open Thread as Markdown"))
4403            .on_click(cx.listener(move |this, _, window, cx| {
4404                if let Some(workspace) = this.workspace.upgrade() {
4405                    this.open_thread_as_markdown(workspace, window, cx)
4406                        .detach_and_log_err(cx);
4407                }
4408            }));
4409
4410        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4411            .shape(ui::IconButtonShape::Square)
4412            .icon_size(IconSize::Small)
4413            .icon_color(Color::Ignored)
4414            .tooltip(Tooltip::text("Scroll To Top"))
4415            .on_click(cx.listener(move |this, _, _, cx| {
4416                this.scroll_to_top(cx);
4417            }));
4418
4419        let mut container = h_flex()
4420            .id("thread-controls-container")
4421            .group("thread-controls-container")
4422            .w_full()
4423            .py_2()
4424            .px_5()
4425            .gap_px()
4426            .opacity(0.6)
4427            .hover(|style| style.opacity(1.))
4428            .flex_wrap()
4429            .justify_end();
4430
4431        if AgentSettings::get_global(cx).enable_feedback
4432            && self
4433                .thread()
4434                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4435        {
4436            let feedback = self.thread_feedback.feedback;
4437
4438            container = container
4439                .child(
4440                    div().visible_on_hover("thread-controls-container").child(
4441                        Label::new(match feedback {
4442                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4443                            Some(ThreadFeedback::Negative) => {
4444                                "We appreciate your feedback and will use it to improve."
4445                            }
4446                            None => {
4447                                "Rating the thread sends all of your current conversation to the Zed team."
4448                            }
4449                        })
4450                        .color(Color::Muted)
4451                        .size(LabelSize::XSmall)
4452                        .truncate(),
4453                    ),
4454                )
4455                .child(
4456                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4457                        .shape(ui::IconButtonShape::Square)
4458                        .icon_size(IconSize::Small)
4459                        .icon_color(match feedback {
4460                            Some(ThreadFeedback::Positive) => Color::Accent,
4461                            _ => Color::Ignored,
4462                        })
4463                        .tooltip(Tooltip::text("Helpful Response"))
4464                        .on_click(cx.listener(move |this, _, window, cx| {
4465                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4466                        })),
4467                )
4468                .child(
4469                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4470                        .shape(ui::IconButtonShape::Square)
4471                        .icon_size(IconSize::Small)
4472                        .icon_color(match feedback {
4473                            Some(ThreadFeedback::Negative) => Color::Accent,
4474                            _ => Color::Ignored,
4475                        })
4476                        .tooltip(Tooltip::text("Not Helpful"))
4477                        .on_click(cx.listener(move |this, _, window, cx| {
4478                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4479                        })),
4480                );
4481        }
4482
4483        container.child(open_as_markdown).child(scroll_to_top)
4484    }
4485
4486    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4487        h_flex()
4488            .key_context("AgentFeedbackMessageEditor")
4489            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4490                this.thread_feedback.dismiss_comments();
4491                cx.notify();
4492            }))
4493            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4494                this.submit_feedback_message(cx);
4495            }))
4496            .p_2()
4497            .mb_2()
4498            .mx_5()
4499            .gap_1()
4500            .rounded_md()
4501            .border_1()
4502            .border_color(cx.theme().colors().border)
4503            .bg(cx.theme().colors().editor_background)
4504            .child(div().w_full().child(editor))
4505            .child(
4506                h_flex()
4507                    .child(
4508                        IconButton::new("dismiss-feedback-message", IconName::Close)
4509                            .icon_color(Color::Error)
4510                            .icon_size(IconSize::XSmall)
4511                            .shape(ui::IconButtonShape::Square)
4512                            .on_click(cx.listener(move |this, _, _window, cx| {
4513                                this.thread_feedback.dismiss_comments();
4514                                cx.notify();
4515                            })),
4516                    )
4517                    .child(
4518                        IconButton::new("submit-feedback-message", IconName::Return)
4519                            .icon_size(IconSize::XSmall)
4520                            .shape(ui::IconButtonShape::Square)
4521                            .on_click(cx.listener(move |this, _, _window, cx| {
4522                                this.submit_feedback_message(cx);
4523                            })),
4524                    ),
4525            )
4526    }
4527
4528    fn handle_feedback_click(
4529        &mut self,
4530        feedback: ThreadFeedback,
4531        window: &mut Window,
4532        cx: &mut Context<Self>,
4533    ) {
4534        let Some(thread) = self.thread().cloned() else {
4535            return;
4536        };
4537
4538        self.thread_feedback.submit(thread, feedback, window, cx);
4539        cx.notify();
4540    }
4541
4542    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4543        let Some(thread) = self.thread().cloned() else {
4544            return;
4545        };
4546
4547        self.thread_feedback.submit_comments(thread, cx);
4548        cx.notify();
4549    }
4550
4551    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4552        div()
4553            .id("acp-thread-scrollbar")
4554            .occlude()
4555            .on_mouse_move(cx.listener(|_, _, _, cx| {
4556                cx.notify();
4557                cx.stop_propagation()
4558            }))
4559            .on_hover(|_, _, cx| {
4560                cx.stop_propagation();
4561            })
4562            .on_any_mouse_down(|_, _, cx| {
4563                cx.stop_propagation();
4564            })
4565            .on_mouse_up(
4566                MouseButton::Left,
4567                cx.listener(|_, _, _, cx| {
4568                    cx.stop_propagation();
4569                }),
4570            )
4571            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4572                cx.notify();
4573            }))
4574            .h_full()
4575            .absolute()
4576            .right_1()
4577            .top_1()
4578            .bottom_0()
4579            .w(px(12.))
4580            .cursor_default()
4581            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4582    }
4583
4584    fn render_token_limit_callout(
4585        &self,
4586        line_height: Pixels,
4587        cx: &mut Context<Self>,
4588    ) -> Option<Callout> {
4589        let token_usage = self.thread()?.read(cx).token_usage()?;
4590        let ratio = token_usage.ratio();
4591
4592        let (severity, title) = match ratio {
4593            acp_thread::TokenUsageRatio::Normal => return None,
4594            acp_thread::TokenUsageRatio::Warning => {
4595                (Severity::Warning, "Thread reaching the token limit soon")
4596            }
4597            acp_thread::TokenUsageRatio::Exceeded => {
4598                (Severity::Error, "Thread reached the token limit")
4599            }
4600        };
4601
4602        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4603            thread.read(cx).completion_mode() == CompletionMode::Normal
4604                && thread
4605                    .read(cx)
4606                    .model()
4607                    .is_some_and(|model| model.supports_burn_mode())
4608        });
4609
4610        let description = if burn_mode_available {
4611            "To continue, start a new thread from a summary or turn Burn Mode on."
4612        } else {
4613            "To continue, start a new thread from a summary."
4614        };
4615
4616        Some(
4617            Callout::new()
4618                .severity(severity)
4619                .line_height(line_height)
4620                .title(title)
4621                .description(description)
4622                .actions_slot(
4623                    h_flex()
4624                        .gap_0p5()
4625                        .child(
4626                            Button::new("start-new-thread", "Start New Thread")
4627                                .label_size(LabelSize::Small)
4628                                .on_click(cx.listener(|this, _, window, cx| {
4629                                    let Some(thread) = this.thread() else {
4630                                        return;
4631                                    };
4632                                    let session_id = thread.read(cx).session_id().clone();
4633                                    window.dispatch_action(
4634                                        crate::NewNativeAgentThreadFromSummary {
4635                                            from_session_id: session_id,
4636                                        }
4637                                        .boxed_clone(),
4638                                        cx,
4639                                    );
4640                                })),
4641                        )
4642                        .when(burn_mode_available, |this| {
4643                            this.child(
4644                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4645                                    .icon_size(IconSize::XSmall)
4646                                    .on_click(cx.listener(|this, _event, window, cx| {
4647                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4648                                    })),
4649                            )
4650                        }),
4651                ),
4652        )
4653    }
4654
4655    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4656        if !self.is_using_zed_ai_models(cx) {
4657            return None;
4658        }
4659
4660        let user_store = self.project.read(cx).user_store().read(cx);
4661        if user_store.is_usage_based_billing_enabled() {
4662            return None;
4663        }
4664
4665        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4666
4667        let usage = user_store.model_request_usage()?;
4668
4669        Some(
4670            div()
4671                .child(UsageCallout::new(plan, usage))
4672                .line_height(line_height),
4673        )
4674    }
4675
4676    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4677        self.entry_view_state.update(cx, |entry_view_state, cx| {
4678            entry_view_state.settings_changed(cx);
4679        });
4680    }
4681
4682    pub(crate) fn insert_dragged_files(
4683        &self,
4684        paths: Vec<project::ProjectPath>,
4685        added_worktrees: Vec<Entity<project::Worktree>>,
4686        window: &mut Window,
4687        cx: &mut Context<Self>,
4688    ) {
4689        self.message_editor.update(cx, |message_editor, cx| {
4690            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4691        })
4692    }
4693
4694    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4695        self.message_editor.update(cx, |message_editor, cx| {
4696            message_editor.insert_selections(window, cx);
4697        })
4698    }
4699
4700    fn render_thread_retry_status_callout(
4701        &self,
4702        _window: &mut Window,
4703        _cx: &mut Context<Self>,
4704    ) -> Option<Callout> {
4705        let state = self.thread_retry_status.as_ref()?;
4706
4707        let next_attempt_in = state
4708            .duration
4709            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4710        if next_attempt_in.is_zero() {
4711            return None;
4712        }
4713
4714        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4715
4716        let retry_message = if state.max_attempts == 1 {
4717            if next_attempt_in_secs == 1 {
4718                "Retrying. Next attempt in 1 second.".to_string()
4719            } else {
4720                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4721            }
4722        } else if next_attempt_in_secs == 1 {
4723            format!(
4724                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4725                state.attempt, state.max_attempts,
4726            )
4727        } else {
4728            format!(
4729                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4730                state.attempt, state.max_attempts,
4731            )
4732        };
4733
4734        Some(
4735            Callout::new()
4736                .severity(Severity::Warning)
4737                .title(state.last_error.clone())
4738                .description(retry_message),
4739        )
4740    }
4741
4742    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4743        let content = match self.thread_error.as_ref()? {
4744            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4745            ThreadError::AuthenticationRequired(error) => {
4746                self.render_authentication_required_error(error.clone(), cx)
4747            }
4748            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4749            ThreadError::ModelRequestLimitReached(plan) => {
4750                self.render_model_request_limit_reached_error(*plan, cx)
4751            }
4752            ThreadError::ToolUseLimitReached => {
4753                self.render_tool_use_limit_reached_error(window, cx)?
4754            }
4755        };
4756
4757        Some(div().child(content))
4758    }
4759
4760    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4761        let can_resume = self
4762            .thread()
4763            .map_or(false, |thread| thread.read(cx).can_resume(cx));
4764
4765        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
4766            let thread = thread.read(cx);
4767            let supports_burn_mode = thread
4768                .model()
4769                .map_or(false, |model| model.supports_burn_mode());
4770            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
4771        });
4772
4773        Callout::new()
4774            .severity(Severity::Error)
4775            .title("Error")
4776            .icon(IconName::XCircle)
4777            .description(error.clone())
4778            .actions_slot(
4779                h_flex()
4780                    .gap_0p5()
4781                    .when(can_resume && can_enable_burn_mode, |this| {
4782                        this.child(
4783                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
4784                                .icon(IconName::ZedBurnMode)
4785                                .icon_position(IconPosition::Start)
4786                                .icon_size(IconSize::Small)
4787                                .label_size(LabelSize::Small)
4788                                .on_click(cx.listener(|this, _, window, cx| {
4789                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4790                                    this.resume_chat(cx);
4791                                })),
4792                        )
4793                    })
4794                    .when(can_resume, |this| {
4795                        this.child(
4796                            Button::new("retry", "Retry")
4797                                .icon(IconName::RotateCw)
4798                                .icon_position(IconPosition::Start)
4799                                .icon_size(IconSize::Small)
4800                                .label_size(LabelSize::Small)
4801                                .on_click(cx.listener(|this, _, _window, cx| {
4802                                    this.resume_chat(cx);
4803                                })),
4804                        )
4805                    })
4806                    .child(self.create_copy_button(error.to_string())),
4807            )
4808            .dismiss_action(self.dismiss_error_button(cx))
4809    }
4810
4811    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4812        const ERROR_MESSAGE: &str =
4813            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4814
4815        Callout::new()
4816            .severity(Severity::Error)
4817            .icon(IconName::XCircle)
4818            .title("Free Usage Exceeded")
4819            .description(ERROR_MESSAGE)
4820            .actions_slot(
4821                h_flex()
4822                    .gap_0p5()
4823                    .child(self.upgrade_button(cx))
4824                    .child(self.create_copy_button(ERROR_MESSAGE)),
4825            )
4826            .dismiss_action(self.dismiss_error_button(cx))
4827    }
4828
4829    fn render_authentication_required_error(
4830        &self,
4831        error: SharedString,
4832        cx: &mut Context<Self>,
4833    ) -> Callout {
4834        Callout::new()
4835            .severity(Severity::Error)
4836            .title("Authentication Required")
4837            .icon(IconName::XCircle)
4838            .description(error.clone())
4839            .actions_slot(
4840                h_flex()
4841                    .gap_0p5()
4842                    .child(self.authenticate_button(cx))
4843                    .child(self.create_copy_button(error)),
4844            )
4845            .dismiss_action(self.dismiss_error_button(cx))
4846    }
4847
4848    fn render_model_request_limit_reached_error(
4849        &self,
4850        plan: cloud_llm_client::Plan,
4851        cx: &mut Context<Self>,
4852    ) -> Callout {
4853        let error_message = match plan {
4854            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4855            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4856                "Upgrade to Zed Pro for more prompts."
4857            }
4858        };
4859
4860        Callout::new()
4861            .severity(Severity::Error)
4862            .title("Model Prompt Limit Reached")
4863            .icon(IconName::XCircle)
4864            .description(error_message)
4865            .actions_slot(
4866                h_flex()
4867                    .gap_0p5()
4868                    .child(self.upgrade_button(cx))
4869                    .child(self.create_copy_button(error_message)),
4870            )
4871            .dismiss_action(self.dismiss_error_button(cx))
4872    }
4873
4874    fn render_tool_use_limit_reached_error(
4875        &self,
4876        window: &mut Window,
4877        cx: &mut Context<Self>,
4878    ) -> Option<Callout> {
4879        let thread = self.as_native_thread(cx)?;
4880        let supports_burn_mode = thread
4881            .read(cx)
4882            .model()
4883            .is_some_and(|model| model.supports_burn_mode());
4884
4885        let focus_handle = self.focus_handle(cx);
4886
4887        Some(
4888            Callout::new()
4889                .icon(IconName::Info)
4890                .title("Consecutive tool use limit reached.")
4891                .actions_slot(
4892                    h_flex()
4893                        .gap_0p5()
4894                        .when(supports_burn_mode, |this| {
4895                            this.child(
4896                                Button::new("continue-burn-mode", "Continue with Burn Mode")
4897                                    .style(ButtonStyle::Filled)
4898                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4899                                    .layer(ElevationIndex::ModalSurface)
4900                                    .label_size(LabelSize::Small)
4901                                    .key_binding(
4902                                        KeyBinding::for_action_in(
4903                                            &ContinueWithBurnMode,
4904                                            &focus_handle,
4905                                            window,
4906                                            cx,
4907                                        )
4908                                        .map(|kb| kb.size(rems_from_px(10.))),
4909                                    )
4910                                    .tooltip(Tooltip::text(
4911                                        "Enable Burn Mode for unlimited tool use.",
4912                                    ))
4913                                    .on_click({
4914                                        cx.listener(move |this, _, _window, cx| {
4915                                            thread.update(cx, |thread, cx| {
4916                                                thread
4917                                                    .set_completion_mode(CompletionMode::Burn, cx);
4918                                            });
4919                                            this.resume_chat(cx);
4920                                        })
4921                                    }),
4922                            )
4923                        })
4924                        .child(
4925                            Button::new("continue-conversation", "Continue")
4926                                .layer(ElevationIndex::ModalSurface)
4927                                .label_size(LabelSize::Small)
4928                                .key_binding(
4929                                    KeyBinding::for_action_in(
4930                                        &ContinueThread,
4931                                        &focus_handle,
4932                                        window,
4933                                        cx,
4934                                    )
4935                                    .map(|kb| kb.size(rems_from_px(10.))),
4936                                )
4937                                .on_click(cx.listener(|this, _, _window, cx| {
4938                                    this.resume_chat(cx);
4939                                })),
4940                        ),
4941                ),
4942        )
4943    }
4944
4945    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
4946        let message = message.into();
4947
4948        IconButton::new("copy", IconName::Copy)
4949            .icon_size(IconSize::Small)
4950            .icon_color(Color::Muted)
4951            .tooltip(Tooltip::text("Copy Error Message"))
4952            .on_click(move |_, _, cx| {
4953                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
4954            })
4955    }
4956
4957    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4958        IconButton::new("dismiss", IconName::Close)
4959            .icon_size(IconSize::Small)
4960            .icon_color(Color::Muted)
4961            .tooltip(Tooltip::text("Dismiss Error"))
4962            .on_click(cx.listener({
4963                move |this, _, _, cx| {
4964                    this.clear_thread_error(cx);
4965                    cx.notify();
4966                }
4967            }))
4968    }
4969
4970    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4971        Button::new("authenticate", "Authenticate")
4972            .label_size(LabelSize::Small)
4973            .style(ButtonStyle::Filled)
4974            .on_click(cx.listener({
4975                move |this, _, window, cx| {
4976                    let agent = this.agent.clone();
4977                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
4978                        return;
4979                    };
4980
4981                    let connection = thread.read(cx).connection().clone();
4982                    let err = AuthRequired {
4983                        description: None,
4984                        provider_id: None,
4985                    };
4986                    this.clear_thread_error(cx);
4987                    let this = cx.weak_entity();
4988                    window.defer(cx, |window, cx| {
4989                        Self::handle_auth_required(this, err, agent, connection, window, cx);
4990                    })
4991                }
4992            }))
4993    }
4994
4995    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4996        let agent = self.agent.clone();
4997        let ThreadState::Ready { thread, .. } = &self.thread_state else {
4998            return;
4999        };
5000
5001        let connection = thread.read(cx).connection().clone();
5002        let err = AuthRequired {
5003            description: None,
5004            provider_id: None,
5005        };
5006        self.clear_thread_error(cx);
5007        let this = cx.weak_entity();
5008        window.defer(cx, |window, cx| {
5009            Self::handle_auth_required(this, err, agent, connection, window, cx);
5010        })
5011    }
5012
5013    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5014        Button::new("upgrade", "Upgrade")
5015            .label_size(LabelSize::Small)
5016            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5017            .on_click(cx.listener({
5018                move |this, _, _, cx| {
5019                    this.clear_thread_error(cx);
5020                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5021                }
5022            }))
5023    }
5024
5025    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5026        let task = match entry {
5027            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5028                history.delete_thread(thread.id.clone(), cx)
5029            }),
5030            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
5031                history.delete_text_thread(context.path.clone(), cx)
5032            }),
5033        };
5034        task.detach_and_log_err(cx);
5035    }
5036}
5037
5038fn loading_contents_spinner(size: IconSize) -> AnyElement {
5039    Icon::new(IconName::LoadCircle)
5040        .size(size)
5041        .color(Color::Accent)
5042        .with_rotate_animation(3)
5043        .into_any_element()
5044}
5045
5046impl Focusable for AcpThreadView {
5047    fn focus_handle(&self, cx: &App) -> FocusHandle {
5048        match self.thread_state {
5049            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5050                self.message_editor.focus_handle(cx)
5051            }
5052            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5053                self.focus_handle.clone()
5054            }
5055        }
5056    }
5057}
5058
5059impl Render for AcpThreadView {
5060    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5061        let has_messages = self.list_state.item_count() > 0;
5062        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5063
5064        v_flex()
5065            .size_full()
5066            .key_context("AcpThread")
5067            .on_action(cx.listener(Self::open_agent_diff))
5068            .on_action(cx.listener(Self::toggle_burn_mode))
5069            .on_action(cx.listener(Self::keep_all))
5070            .on_action(cx.listener(Self::reject_all))
5071            .track_focus(&self.focus_handle)
5072            .bg(cx.theme().colors().panel_background)
5073            .child(match &self.thread_state {
5074                ThreadState::Unauthenticated {
5075                    connection,
5076                    description,
5077                    configuration_view,
5078                    pending_auth_method,
5079                    ..
5080                } => self.render_auth_required_state(
5081                    connection,
5082                    description.as_ref(),
5083                    configuration_view.as_ref(),
5084                    pending_auth_method.as_ref(),
5085                    window,
5086                    cx,
5087                ),
5088                ThreadState::Loading { .. } => v_flex()
5089                    .flex_1()
5090                    .child(self.render_recent_history(window, cx)),
5091                ThreadState::LoadError(e) => v_flex()
5092                    .flex_1()
5093                    .size_full()
5094                    .items_center()
5095                    .justify_end()
5096                    .child(self.render_load_error(e, window, cx)),
5097                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5098                    if has_messages {
5099                        this.child(
5100                            list(
5101                                self.list_state.clone(),
5102                                cx.processor(|this, index: usize, window, cx| {
5103                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5104                                        let entries = &thread.read(cx).entries();
5105                                        Some((entries.get(index)?, entries.len()))
5106                                    }) else {
5107                                        return Empty.into_any();
5108                                    };
5109                                    this.render_entry(index, len, entry, window, cx)
5110                                }),
5111                            )
5112                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5113                            .flex_grow()
5114                            .into_any(),
5115                        )
5116                        .child(self.render_vertical_scrollbar(cx))
5117                    } else {
5118                        this.child(self.render_recent_history(window, cx))
5119                    }
5120                }),
5121            })
5122            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5123            // above so that the scrollbar doesn't render behind it. The current setup allows
5124            // the scrollbar to stop exactly at the activity bar start.
5125            .when(has_messages, |this| match &self.thread_state {
5126                ThreadState::Ready { thread, .. } => {
5127                    this.children(self.render_activity_bar(thread, window, cx))
5128                }
5129                _ => this,
5130            })
5131            .children(self.render_thread_retry_status_callout(window, cx))
5132            .children(self.render_thread_error(window, cx))
5133            .children(
5134                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5135                    Some(usage_callout.into_any_element())
5136                } else {
5137                    self.render_token_limit_callout(line_height, cx)
5138                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5139                },
5140            )
5141            .child(self.render_message_editor(window, cx))
5142    }
5143}
5144
5145fn default_markdown_style(
5146    buffer_font: bool,
5147    muted_text: bool,
5148    window: &Window,
5149    cx: &App,
5150) -> MarkdownStyle {
5151    let theme_settings = ThemeSettings::get_global(cx);
5152    let colors = cx.theme().colors();
5153
5154    let buffer_font_size = TextSize::Small.rems(cx);
5155
5156    let mut text_style = window.text_style();
5157    let line_height = buffer_font_size * 1.75;
5158
5159    let font_family = if buffer_font {
5160        theme_settings.buffer_font.family.clone()
5161    } else {
5162        theme_settings.ui_font.family.clone()
5163    };
5164
5165    let font_size = if buffer_font {
5166        TextSize::Small.rems(cx)
5167    } else {
5168        TextSize::Default.rems(cx)
5169    };
5170
5171    let text_color = if muted_text {
5172        colors.text_muted
5173    } else {
5174        colors.text
5175    };
5176
5177    text_style.refine(&TextStyleRefinement {
5178        font_family: Some(font_family),
5179        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5180        font_features: Some(theme_settings.ui_font.features.clone()),
5181        font_size: Some(font_size.into()),
5182        line_height: Some(line_height.into()),
5183        color: Some(text_color),
5184        ..Default::default()
5185    });
5186
5187    MarkdownStyle {
5188        base_text_style: text_style.clone(),
5189        syntax: cx.theme().syntax().clone(),
5190        selection_background_color: colors.element_selection_background,
5191        code_block_overflow_x_scroll: true,
5192        table_overflow_x_scroll: true,
5193        heading_level_styles: Some(HeadingLevelStyles {
5194            h1: Some(TextStyleRefinement {
5195                font_size: Some(rems(1.15).into()),
5196                ..Default::default()
5197            }),
5198            h2: Some(TextStyleRefinement {
5199                font_size: Some(rems(1.1).into()),
5200                ..Default::default()
5201            }),
5202            h3: Some(TextStyleRefinement {
5203                font_size: Some(rems(1.05).into()),
5204                ..Default::default()
5205            }),
5206            h4: Some(TextStyleRefinement {
5207                font_size: Some(rems(1.).into()),
5208                ..Default::default()
5209            }),
5210            h5: Some(TextStyleRefinement {
5211                font_size: Some(rems(0.95).into()),
5212                ..Default::default()
5213            }),
5214            h6: Some(TextStyleRefinement {
5215                font_size: Some(rems(0.875).into()),
5216                ..Default::default()
5217            }),
5218        }),
5219        code_block: StyleRefinement {
5220            padding: EdgesRefinement {
5221                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5222                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5223                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5224                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5225            },
5226            margin: EdgesRefinement {
5227                top: Some(Length::Definite(Pixels(8.).into())),
5228                left: Some(Length::Definite(Pixels(0.).into())),
5229                right: Some(Length::Definite(Pixels(0.).into())),
5230                bottom: Some(Length::Definite(Pixels(12.).into())),
5231            },
5232            border_style: Some(BorderStyle::Solid),
5233            border_widths: EdgesRefinement {
5234                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
5235                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
5236                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
5237                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
5238            },
5239            border_color: Some(colors.border_variant),
5240            background: Some(colors.editor_background.into()),
5241            text: Some(TextStyleRefinement {
5242                font_family: Some(theme_settings.buffer_font.family.clone()),
5243                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5244                font_features: Some(theme_settings.buffer_font.features.clone()),
5245                font_size: Some(buffer_font_size.into()),
5246                ..Default::default()
5247            }),
5248            ..Default::default()
5249        },
5250        inline_code: TextStyleRefinement {
5251            font_family: Some(theme_settings.buffer_font.family.clone()),
5252            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5253            font_features: Some(theme_settings.buffer_font.features.clone()),
5254            font_size: Some(buffer_font_size.into()),
5255            background_color: Some(colors.editor_foreground.opacity(0.08)),
5256            ..Default::default()
5257        },
5258        link: TextStyleRefinement {
5259            background_color: Some(colors.editor_foreground.opacity(0.025)),
5260            underline: Some(UnderlineStyle {
5261                color: Some(colors.text_accent.opacity(0.5)),
5262                thickness: px(1.),
5263                ..Default::default()
5264            }),
5265            ..Default::default()
5266        },
5267        ..Default::default()
5268    }
5269}
5270
5271fn plan_label_markdown_style(
5272    status: &acp::PlanEntryStatus,
5273    window: &Window,
5274    cx: &App,
5275) -> MarkdownStyle {
5276    let default_md_style = default_markdown_style(false, false, window, cx);
5277
5278    MarkdownStyle {
5279        base_text_style: TextStyle {
5280            color: cx.theme().colors().text_muted,
5281            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5282                Some(gpui::StrikethroughStyle {
5283                    thickness: px(1.),
5284                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5285                })
5286            } else {
5287                None
5288            },
5289            ..default_md_style.base_text_style
5290        },
5291        ..default_md_style
5292    }
5293}
5294
5295fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5296    let default_md_style = default_markdown_style(true, false, window, cx);
5297
5298    MarkdownStyle {
5299        base_text_style: TextStyle {
5300            ..default_md_style.base_text_style
5301        },
5302        selection_background_color: cx.theme().colors().element_selection_background,
5303        ..Default::default()
5304    }
5305}
5306
5307#[cfg(test)]
5308pub(crate) mod tests {
5309    use acp_thread::StubAgentConnection;
5310    use agent_client_protocol::SessionId;
5311    use assistant_context::ContextStore;
5312    use editor::EditorSettings;
5313    use fs::FakeFs;
5314    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5315    use project::Project;
5316    use serde_json::json;
5317    use settings::SettingsStore;
5318    use std::any::Any;
5319    use std::path::Path;
5320    use workspace::Item;
5321
5322    use super::*;
5323
5324    #[gpui::test]
5325    async fn test_drop(cx: &mut TestAppContext) {
5326        init_test(cx);
5327
5328        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5329        let weak_view = thread_view.downgrade();
5330        drop(thread_view);
5331        assert!(!weak_view.is_upgradable());
5332    }
5333
5334    #[gpui::test]
5335    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5336        init_test(cx);
5337
5338        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5339
5340        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5341        message_editor.update_in(cx, |editor, window, cx| {
5342            editor.set_text("Hello", window, cx);
5343        });
5344
5345        cx.deactivate_window();
5346
5347        thread_view.update_in(cx, |thread_view, window, cx| {
5348            thread_view.send(window, cx);
5349        });
5350
5351        cx.run_until_parked();
5352
5353        assert!(
5354            cx.windows()
5355                .iter()
5356                .any(|window| window.downcast::<AgentNotification>().is_some())
5357        );
5358    }
5359
5360    #[gpui::test]
5361    async fn test_notification_for_error(cx: &mut TestAppContext) {
5362        init_test(cx);
5363
5364        let (thread_view, cx) =
5365            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5366
5367        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5368        message_editor.update_in(cx, |editor, window, cx| {
5369            editor.set_text("Hello", window, cx);
5370        });
5371
5372        cx.deactivate_window();
5373
5374        thread_view.update_in(cx, |thread_view, window, cx| {
5375            thread_view.send(window, cx);
5376        });
5377
5378        cx.run_until_parked();
5379
5380        assert!(
5381            cx.windows()
5382                .iter()
5383                .any(|window| window.downcast::<AgentNotification>().is_some())
5384        );
5385    }
5386
5387    #[gpui::test]
5388    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5389        init_test(cx);
5390
5391        let tool_call_id = acp::ToolCallId("1".into());
5392        let tool_call = acp::ToolCall {
5393            id: tool_call_id.clone(),
5394            title: "Label".into(),
5395            kind: acp::ToolKind::Edit,
5396            status: acp::ToolCallStatus::Pending,
5397            content: vec!["hi".into()],
5398            locations: vec![],
5399            raw_input: None,
5400            raw_output: None,
5401        };
5402        let connection =
5403            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5404                tool_call_id,
5405                vec![acp::PermissionOption {
5406                    id: acp::PermissionOptionId("1".into()),
5407                    name: "Allow".into(),
5408                    kind: acp::PermissionOptionKind::AllowOnce,
5409                }],
5410            )]));
5411
5412        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5413
5414        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5415
5416        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5417        message_editor.update_in(cx, |editor, window, cx| {
5418            editor.set_text("Hello", window, cx);
5419        });
5420
5421        cx.deactivate_window();
5422
5423        thread_view.update_in(cx, |thread_view, window, cx| {
5424            thread_view.send(window, cx);
5425        });
5426
5427        cx.run_until_parked();
5428
5429        assert!(
5430            cx.windows()
5431                .iter()
5432                .any(|window| window.downcast::<AgentNotification>().is_some())
5433        );
5434    }
5435
5436    async fn setup_thread_view(
5437        agent: impl AgentServer + 'static,
5438        cx: &mut TestAppContext,
5439    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5440        let fs = FakeFs::new(cx.executor());
5441        let project = Project::test(fs, [], cx).await;
5442        let (workspace, cx) =
5443            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5444
5445        let context_store =
5446            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5447        let history_store =
5448            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5449
5450        let thread_view = cx.update(|window, cx| {
5451            cx.new(|cx| {
5452                AcpThreadView::new(
5453                    Rc::new(agent),
5454                    None,
5455                    None,
5456                    workspace.downgrade(),
5457                    project,
5458                    history_store,
5459                    None,
5460                    window,
5461                    cx,
5462                )
5463            })
5464        });
5465        cx.run_until_parked();
5466        (thread_view, cx)
5467    }
5468
5469    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5470        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5471
5472        workspace
5473            .update_in(cx, |workspace, window, cx| {
5474                workspace.add_item_to_active_pane(
5475                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5476                    None,
5477                    true,
5478                    window,
5479                    cx,
5480                );
5481            })
5482            .unwrap();
5483    }
5484
5485    struct ThreadViewItem(Entity<AcpThreadView>);
5486
5487    impl Item for ThreadViewItem {
5488        type Event = ();
5489
5490        fn include_in_nav_history() -> bool {
5491            false
5492        }
5493
5494        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5495            "Test".into()
5496        }
5497    }
5498
5499    impl EventEmitter<()> for ThreadViewItem {}
5500
5501    impl Focusable for ThreadViewItem {
5502        fn focus_handle(&self, cx: &App) -> FocusHandle {
5503            self.0.read(cx).focus_handle(cx)
5504        }
5505    }
5506
5507    impl Render for ThreadViewItem {
5508        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5509            self.0.clone().into_any_element()
5510        }
5511    }
5512
5513    struct StubAgentServer<C> {
5514        connection: C,
5515    }
5516
5517    impl<C> StubAgentServer<C> {
5518        fn new(connection: C) -> Self {
5519            Self { connection }
5520        }
5521    }
5522
5523    impl StubAgentServer<StubAgentConnection> {
5524        fn default_response() -> Self {
5525            let conn = StubAgentConnection::new();
5526            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5527                content: "Default response".into(),
5528            }]);
5529            Self::new(conn)
5530        }
5531    }
5532
5533    impl<C> AgentServer for StubAgentServer<C>
5534    where
5535        C: 'static + AgentConnection + Send + Clone,
5536    {
5537        fn telemetry_id(&self) -> &'static str {
5538            "test"
5539        }
5540
5541        fn logo(&self) -> ui::IconName {
5542            ui::IconName::Ai
5543        }
5544
5545        fn name(&self) -> SharedString {
5546            "Test".into()
5547        }
5548
5549        fn connect(
5550            &self,
5551            _root_dir: &Path,
5552            _delegate: AgentServerDelegate,
5553            _cx: &mut App,
5554        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
5555            Task::ready(Ok(Rc::new(self.connection.clone())))
5556        }
5557
5558        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5559            self
5560        }
5561    }
5562
5563    #[derive(Clone)]
5564    struct SaboteurAgentConnection;
5565
5566    impl AgentConnection for SaboteurAgentConnection {
5567        fn new_thread(
5568            self: Rc<Self>,
5569            project: Entity<Project>,
5570            _cwd: &Path,
5571            cx: &mut gpui::App,
5572        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5573            Task::ready(Ok(cx.new(|cx| {
5574                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5575                AcpThread::new(
5576                    "SaboteurAgentConnection",
5577                    self,
5578                    project,
5579                    action_log,
5580                    SessionId("test".into()),
5581                    watch::Receiver::constant(acp::PromptCapabilities {
5582                        image: true,
5583                        audio: true,
5584                        embedded_context: true,
5585                    }),
5586                    vec![],
5587                    cx,
5588                )
5589            })))
5590        }
5591
5592        fn auth_methods(&self) -> &[acp::AuthMethod] {
5593            &[]
5594        }
5595
5596        fn authenticate(
5597            &self,
5598            _method_id: acp::AuthMethodId,
5599            _cx: &mut App,
5600        ) -> Task<gpui::Result<()>> {
5601            unimplemented!()
5602        }
5603
5604        fn prompt(
5605            &self,
5606            _id: Option<acp_thread::UserMessageId>,
5607            _params: acp::PromptRequest,
5608            _cx: &mut App,
5609        ) -> Task<gpui::Result<acp::PromptResponse>> {
5610            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5611        }
5612
5613        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5614            unimplemented!()
5615        }
5616
5617        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5618            self
5619        }
5620    }
5621
5622    pub(crate) fn init_test(cx: &mut TestAppContext) {
5623        cx.update(|cx| {
5624            let settings_store = SettingsStore::test(cx);
5625            cx.set_global(settings_store);
5626            language::init(cx);
5627            Project::init_settings(cx);
5628            AgentSettings::register(cx);
5629            workspace::init_settings(cx);
5630            ThemeSettings::register(cx);
5631            release_channel::init(SemanticVersion::default(), cx);
5632            EditorSettings::register(cx);
5633            prompt_store::init(cx)
5634        });
5635    }
5636
5637    #[gpui::test]
5638    async fn test_rewind_views(cx: &mut TestAppContext) {
5639        init_test(cx);
5640
5641        let fs = FakeFs::new(cx.executor());
5642        fs.insert_tree(
5643            "/project",
5644            json!({
5645                "test1.txt": "old content 1",
5646                "test2.txt": "old content 2"
5647            }),
5648        )
5649        .await;
5650        let project = Project::test(fs, [Path::new("/project")], cx).await;
5651        let (workspace, cx) =
5652            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5653
5654        let context_store =
5655            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5656        let history_store =
5657            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5658
5659        let connection = Rc::new(StubAgentConnection::new());
5660        let thread_view = cx.update(|window, cx| {
5661            cx.new(|cx| {
5662                AcpThreadView::new(
5663                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5664                    None,
5665                    None,
5666                    workspace.downgrade(),
5667                    project.clone(),
5668                    history_store.clone(),
5669                    None,
5670                    window,
5671                    cx,
5672                )
5673            })
5674        });
5675
5676        cx.run_until_parked();
5677
5678        let thread = thread_view
5679            .read_with(cx, |view, _| view.thread().cloned())
5680            .unwrap();
5681
5682        // First user message
5683        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5684            id: acp::ToolCallId("tool1".into()),
5685            title: "Edit file 1".into(),
5686            kind: acp::ToolKind::Edit,
5687            status: acp::ToolCallStatus::Completed,
5688            content: vec![acp::ToolCallContent::Diff {
5689                diff: acp::Diff {
5690                    path: "/project/test1.txt".into(),
5691                    old_text: Some("old content 1".into()),
5692                    new_text: "new content 1".into(),
5693                },
5694            }],
5695            locations: vec![],
5696            raw_input: None,
5697            raw_output: None,
5698        })]);
5699
5700        thread
5701            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
5702            .await
5703            .unwrap();
5704        cx.run_until_parked();
5705
5706        thread.read_with(cx, |thread, _| {
5707            assert_eq!(thread.entries().len(), 2);
5708        });
5709
5710        thread_view.read_with(cx, |view, cx| {
5711            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5712                assert!(
5713                    entry_view_state
5714                        .entry(0)
5715                        .unwrap()
5716                        .message_editor()
5717                        .is_some()
5718                );
5719                assert!(entry_view_state.entry(1).unwrap().has_content());
5720            });
5721        });
5722
5723        // Second user message
5724        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5725            id: acp::ToolCallId("tool2".into()),
5726            title: "Edit file 2".into(),
5727            kind: acp::ToolKind::Edit,
5728            status: acp::ToolCallStatus::Completed,
5729            content: vec![acp::ToolCallContent::Diff {
5730                diff: acp::Diff {
5731                    path: "/project/test2.txt".into(),
5732                    old_text: Some("old content 2".into()),
5733                    new_text: "new content 2".into(),
5734                },
5735            }],
5736            locations: vec![],
5737            raw_input: None,
5738            raw_output: None,
5739        })]);
5740
5741        thread
5742            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5743            .await
5744            .unwrap();
5745        cx.run_until_parked();
5746
5747        let second_user_message_id = thread.read_with(cx, |thread, _| {
5748            assert_eq!(thread.entries().len(), 4);
5749            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5750                panic!();
5751            };
5752            user_message.id.clone().unwrap()
5753        });
5754
5755        thread_view.read_with(cx, |view, cx| {
5756            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5757                assert!(
5758                    entry_view_state
5759                        .entry(0)
5760                        .unwrap()
5761                        .message_editor()
5762                        .is_some()
5763                );
5764                assert!(entry_view_state.entry(1).unwrap().has_content());
5765                assert!(
5766                    entry_view_state
5767                        .entry(2)
5768                        .unwrap()
5769                        .message_editor()
5770                        .is_some()
5771                );
5772                assert!(entry_view_state.entry(3).unwrap().has_content());
5773            });
5774        });
5775
5776        // Rewind to first message
5777        thread
5778            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
5779            .await
5780            .unwrap();
5781
5782        cx.run_until_parked();
5783
5784        thread.read_with(cx, |thread, _| {
5785            assert_eq!(thread.entries().len(), 2);
5786        });
5787
5788        thread_view.read_with(cx, |view, cx| {
5789            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5790                assert!(
5791                    entry_view_state
5792                        .entry(0)
5793                        .unwrap()
5794                        .message_editor()
5795                        .is_some()
5796                );
5797                assert!(entry_view_state.entry(1).unwrap().has_content());
5798
5799                // Old views should be dropped
5800                assert!(entry_view_state.entry(2).is_none());
5801                assert!(entry_view_state.entry(3).is_none());
5802            });
5803        });
5804    }
5805
5806    #[gpui::test]
5807    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
5808        init_test(cx);
5809
5810        let connection = StubAgentConnection::new();
5811
5812        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5813            content: acp::ContentBlock::Text(acp::TextContent {
5814                text: "Response".into(),
5815                annotations: None,
5816            }),
5817        }]);
5818
5819        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5820        add_to_workspace(thread_view.clone(), cx);
5821
5822        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5823        message_editor.update_in(cx, |editor, window, cx| {
5824            editor.set_text("Original message to edit", window, cx);
5825        });
5826        thread_view.update_in(cx, |thread_view, window, cx| {
5827            thread_view.send(window, cx);
5828        });
5829
5830        cx.run_until_parked();
5831
5832        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5833            assert_eq!(view.editing_message, None);
5834
5835            view.entry_view_state
5836                .read(cx)
5837                .entry(0)
5838                .unwrap()
5839                .message_editor()
5840                .unwrap()
5841                .clone()
5842        });
5843
5844        // Focus
5845        cx.focus(&user_message_editor);
5846        thread_view.read_with(cx, |view, _cx| {
5847            assert_eq!(view.editing_message, Some(0));
5848        });
5849
5850        // Edit
5851        user_message_editor.update_in(cx, |editor, window, cx| {
5852            editor.set_text("Edited message content", window, cx);
5853        });
5854
5855        // Cancel
5856        user_message_editor.update_in(cx, |_editor, window, cx| {
5857            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
5858        });
5859
5860        thread_view.read_with(cx, |view, _cx| {
5861            assert_eq!(view.editing_message, None);
5862        });
5863
5864        user_message_editor.read_with(cx, |editor, cx| {
5865            assert_eq!(editor.text(cx), "Original message to edit");
5866        });
5867    }
5868
5869    #[gpui::test]
5870    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
5871        init_test(cx);
5872
5873        let connection = StubAgentConnection::new();
5874
5875        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5876        add_to_workspace(thread_view.clone(), cx);
5877
5878        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5879        let mut events = cx.events(&message_editor);
5880        message_editor.update_in(cx, |editor, window, cx| {
5881            editor.set_text("", window, cx);
5882        });
5883
5884        message_editor.update_in(cx, |_editor, window, cx| {
5885            window.dispatch_action(Box::new(Chat), cx);
5886        });
5887        cx.run_until_parked();
5888        // We shouldn't have received any messages
5889        assert!(matches!(
5890            events.try_next(),
5891            Err(futures::channel::mpsc::TryRecvError { .. })
5892        ));
5893    }
5894
5895    #[gpui::test]
5896    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
5897        init_test(cx);
5898
5899        let connection = StubAgentConnection::new();
5900
5901        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5902            content: acp::ContentBlock::Text(acp::TextContent {
5903                text: "Response".into(),
5904                annotations: None,
5905            }),
5906        }]);
5907
5908        let (thread_view, cx) =
5909            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5910        add_to_workspace(thread_view.clone(), cx);
5911
5912        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5913        message_editor.update_in(cx, |editor, window, cx| {
5914            editor.set_text("Original message to edit", window, cx);
5915        });
5916        thread_view.update_in(cx, |thread_view, window, cx| {
5917            thread_view.send(window, cx);
5918        });
5919
5920        cx.run_until_parked();
5921
5922        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5923            assert_eq!(view.editing_message, None);
5924            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
5925
5926            view.entry_view_state
5927                .read(cx)
5928                .entry(0)
5929                .unwrap()
5930                .message_editor()
5931                .unwrap()
5932                .clone()
5933        });
5934
5935        // Focus
5936        cx.focus(&user_message_editor);
5937
5938        // Edit
5939        user_message_editor.update_in(cx, |editor, window, cx| {
5940            editor.set_text("Edited message content", window, cx);
5941        });
5942
5943        // Send
5944        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5945            content: acp::ContentBlock::Text(acp::TextContent {
5946                text: "New Response".into(),
5947                annotations: None,
5948            }),
5949        }]);
5950
5951        user_message_editor.update_in(cx, |_editor, window, cx| {
5952            window.dispatch_action(Box::new(Chat), cx);
5953        });
5954
5955        cx.run_until_parked();
5956
5957        thread_view.read_with(cx, |view, cx| {
5958            assert_eq!(view.editing_message, None);
5959
5960            let entries = view.thread().unwrap().read(cx).entries();
5961            assert_eq!(entries.len(), 2);
5962            assert_eq!(
5963                entries[0].to_markdown(cx),
5964                "## User\n\nEdited message content\n\n"
5965            );
5966            assert_eq!(
5967                entries[1].to_markdown(cx),
5968                "## Assistant\n\nNew Response\n\n"
5969            );
5970
5971            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
5972                assert!(!state.entry(1).unwrap().has_content());
5973                state.entry(0).unwrap().message_editor().unwrap().clone()
5974            });
5975
5976            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
5977        })
5978    }
5979
5980    #[gpui::test]
5981    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
5982        init_test(cx);
5983
5984        let connection = StubAgentConnection::new();
5985
5986        let (thread_view, cx) =
5987            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5988        add_to_workspace(thread_view.clone(), cx);
5989
5990        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5991        message_editor.update_in(cx, |editor, window, cx| {
5992            editor.set_text("Original message to edit", window, cx);
5993        });
5994        thread_view.update_in(cx, |thread_view, window, cx| {
5995            thread_view.send(window, cx);
5996        });
5997
5998        cx.run_until_parked();
5999
6000        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6001            let thread = view.thread().unwrap().read(cx);
6002            assert_eq!(thread.entries().len(), 1);
6003
6004            let editor = view
6005                .entry_view_state
6006                .read(cx)
6007                .entry(0)
6008                .unwrap()
6009                .message_editor()
6010                .unwrap()
6011                .clone();
6012
6013            (editor, thread.session_id().clone())
6014        });
6015
6016        // Focus
6017        cx.focus(&user_message_editor);
6018
6019        thread_view.read_with(cx, |view, _cx| {
6020            assert_eq!(view.editing_message, Some(0));
6021        });
6022
6023        // Edit
6024        user_message_editor.update_in(cx, |editor, window, cx| {
6025            editor.set_text("Edited message content", window, cx);
6026        });
6027
6028        thread_view.read_with(cx, |view, _cx| {
6029            assert_eq!(view.editing_message, Some(0));
6030        });
6031
6032        // Finish streaming response
6033        cx.update(|_, cx| {
6034            connection.send_update(
6035                session_id.clone(),
6036                acp::SessionUpdate::AgentMessageChunk {
6037                    content: acp::ContentBlock::Text(acp::TextContent {
6038                        text: "Response".into(),
6039                        annotations: None,
6040                    }),
6041                },
6042                cx,
6043            );
6044            connection.end_turn(session_id, acp::StopReason::EndTurn);
6045        });
6046
6047        thread_view.read_with(cx, |view, _cx| {
6048            assert_eq!(view.editing_message, Some(0));
6049        });
6050
6051        cx.run_until_parked();
6052
6053        // Should still be editing
6054        cx.update(|window, cx| {
6055            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6056            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6057            assert_eq!(
6058                user_message_editor.read(cx).text(cx),
6059                "Edited message content"
6060            );
6061        });
6062    }
6063
6064    #[gpui::test]
6065    async fn test_interrupt(cx: &mut TestAppContext) {
6066        init_test(cx);
6067
6068        let connection = StubAgentConnection::new();
6069
6070        let (thread_view, cx) =
6071            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6072        add_to_workspace(thread_view.clone(), cx);
6073
6074        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6075        message_editor.update_in(cx, |editor, window, cx| {
6076            editor.set_text("Message 1", window, cx);
6077        });
6078        thread_view.update_in(cx, |thread_view, window, cx| {
6079            thread_view.send(window, cx);
6080        });
6081
6082        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6083            let thread = view.thread().unwrap();
6084
6085            (thread.clone(), thread.read(cx).session_id().clone())
6086        });
6087
6088        cx.run_until_parked();
6089
6090        cx.update(|_, cx| {
6091            connection.send_update(
6092                session_id.clone(),
6093                acp::SessionUpdate::AgentMessageChunk {
6094                    content: "Message 1 resp".into(),
6095                },
6096                cx,
6097            );
6098        });
6099
6100        cx.run_until_parked();
6101
6102        thread.read_with(cx, |thread, cx| {
6103            assert_eq!(
6104                thread.to_markdown(cx),
6105                indoc::indoc! {"
6106                    ## User
6107
6108                    Message 1
6109
6110                    ## Assistant
6111
6112                    Message 1 resp
6113
6114                "}
6115            )
6116        });
6117
6118        message_editor.update_in(cx, |editor, window, cx| {
6119            editor.set_text("Message 2", window, cx);
6120        });
6121        thread_view.update_in(cx, |thread_view, window, cx| {
6122            thread_view.send(window, cx);
6123        });
6124
6125        cx.update(|_, cx| {
6126            // Simulate a response sent after beginning to cancel
6127            connection.send_update(
6128                session_id.clone(),
6129                acp::SessionUpdate::AgentMessageChunk {
6130                    content: "onse".into(),
6131                },
6132                cx,
6133            );
6134        });
6135
6136        cx.run_until_parked();
6137
6138        // Last Message 1 response should appear before Message 2
6139        thread.read_with(cx, |thread, cx| {
6140            assert_eq!(
6141                thread.to_markdown(cx),
6142                indoc::indoc! {"
6143                    ## User
6144
6145                    Message 1
6146
6147                    ## Assistant
6148
6149                    Message 1 response
6150
6151                    ## User
6152
6153                    Message 2
6154
6155                "}
6156            )
6157        });
6158
6159        cx.update(|_, cx| {
6160            connection.send_update(
6161                session_id.clone(),
6162                acp::SessionUpdate::AgentMessageChunk {
6163                    content: "Message 2 response".into(),
6164                },
6165                cx,
6166            );
6167            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6168        });
6169
6170        cx.run_until_parked();
6171
6172        thread.read_with(cx, |thread, cx| {
6173            assert_eq!(
6174                thread.to_markdown(cx),
6175                indoc::indoc! {"
6176                    ## User
6177
6178                    Message 1
6179
6180                    ## Assistant
6181
6182                    Message 1 response
6183
6184                    ## User
6185
6186                    Message 2
6187
6188                    ## Assistant
6189
6190                    Message 2 response
6191
6192                "}
6193            )
6194        });
6195    }
6196}