thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent_client_protocol::{self as acp, PromptCapabilities};
   9use agent_servers::{AgentServer, AgentServerDelegate, ClaudeCode};
  10use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
  11use agent2::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
  12use anyhow::{Context as _, Result, anyhow, bail};
  13use audio::{Audio, Sound};
  14use buffer_diff::BufferDiff;
  15use client::zed_urls;
  16use collections::{HashMap, HashSet};
  17use editor::scroll::Autoscroll;
  18use editor::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  19use file_icons::FileIcons;
  20use fs::Fs;
  21use futures::FutureExt as _;
  22use gpui::{
  23    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  24    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  25    ListOffset, ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement,
  26    Subscription, Task, TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity,
  27    Window, WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, percentage,
  28    point, prelude::*, pulsating_between,
  29};
  30use language::Buffer;
  31
  32use language_model::LanguageModelRegistry;
  33use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  34use project::{Project, ProjectEntryId};
  35use prompt_store::{PromptId, PromptStore};
  36use rope::Point;
  37use settings::{Settings as _, SettingsStore};
  38use std::cell::{Cell, RefCell};
  39use std::path::Path;
  40use std::sync::Arc;
  41use std::time::Instant;
  42use std::{collections::BTreeMap, rc::Rc, time::Duration};
  43use task::SpawnInTerminal;
  44use terminal_view::terminal_panel::TerminalPanel;
  45use text::Anchor;
  46use theme::ThemeSettings;
  47use ui::{
  48    Callout, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle,
  49    Scrollbar, ScrollbarState, SpinnerLabel, Tooltip, prelude::*,
  50};
  51use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  52use workspace::{CollaboratorId, Workspace};
  53use zed_actions::agent::{Chat, ToggleModelSelector};
  54use zed_actions::assistant::OpenRulesLibrary;
  55
  56use super::entry_view_state::EntryViewState;
  57use crate::acp::AcpModelSelectorPopover;
  58use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  59use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  60use crate::agent_diff::AgentDiff;
  61use crate::profile_selector::{ProfileProvider, ProfileSelector};
  62
  63use crate::ui::preview::UsageCallout;
  64use crate::ui::{
  65    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  66};
  67use crate::{
  68    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, ExpandMessageEditor, Follow,
  69    KeepAll, OpenAgentDiff, OpenHistory, RejectAll, ToggleBurnMode, ToggleProfileSelector,
  70};
  71
  72pub const MIN_EDITOR_LINES: usize = 4;
  73pub const MAX_EDITOR_LINES: usize = 8;
  74
  75#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  76enum ThreadFeedback {
  77    Positive,
  78    Negative,
  79}
  80
  81#[derive(Debug)]
  82enum ThreadError {
  83    PaymentRequired,
  84    ModelRequestLimitReached(cloud_llm_client::Plan),
  85    ToolUseLimitReached,
  86    Refusal,
  87    AuthenticationRequired(SharedString),
  88    Other(SharedString),
  89}
  90
  91impl ThreadError {
  92    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  93        if error.is::<language_model::PaymentRequiredError>() {
  94            Self::PaymentRequired
  95        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  96            Self::ToolUseLimitReached
  97        } else if let Some(error) =
  98            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  99        {
 100            Self::ModelRequestLimitReached(error.plan)
 101        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 102            && acp_error.code == acp::ErrorCode::AUTH_REQUIRED.code
 103        {
 104            Self::AuthenticationRequired(acp_error.message.clone().into())
 105        } else {
 106            let string = error.to_string();
 107            // TODO: we should have Gemini return better errors here.
 108            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 109                && string.contains("Could not load the default credentials")
 110                || string.contains("API key not valid")
 111                || string.contains("Request had invalid authentication credentials")
 112            {
 113                Self::AuthenticationRequired(string.into())
 114            } else {
 115                Self::Other(error.to_string().into())
 116            }
 117        }
 118    }
 119}
 120
 121impl ProfileProvider for Entity<agent2::Thread> {
 122    fn profile_id(&self, cx: &App) -> AgentProfileId {
 123        self.read(cx).profile().clone()
 124    }
 125
 126    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 127        self.update(cx, |thread, _cx| {
 128            thread.set_profile(profile_id);
 129        });
 130    }
 131
 132    fn profiles_supported(&self, cx: &App) -> bool {
 133        self.read(cx)
 134            .model()
 135            .is_some_and(|model| model.supports_tools())
 136    }
 137}
 138
 139#[derive(Default)]
 140struct ThreadFeedbackState {
 141    feedback: Option<ThreadFeedback>,
 142    comments_editor: Option<Entity<Editor>>,
 143}
 144
 145impl ThreadFeedbackState {
 146    pub fn submit(
 147        &mut self,
 148        thread: Entity<AcpThread>,
 149        feedback: ThreadFeedback,
 150        window: &mut Window,
 151        cx: &mut App,
 152    ) {
 153        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 154            return;
 155        };
 156
 157        if self.feedback == Some(feedback) {
 158            return;
 159        }
 160
 161        self.feedback = Some(feedback);
 162        match feedback {
 163            ThreadFeedback::Positive => {
 164                self.comments_editor = None;
 165            }
 166            ThreadFeedback::Negative => {
 167                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 168            }
 169        }
 170        let session_id = thread.read(cx).session_id().clone();
 171        let agent_name = telemetry.agent_name();
 172        let task = telemetry.thread_data(&session_id, cx);
 173        let rating = match feedback {
 174            ThreadFeedback::Positive => "positive",
 175            ThreadFeedback::Negative => "negative",
 176        };
 177        cx.background_spawn(async move {
 178            let thread = task.await?;
 179            telemetry::event!(
 180                "Agent Thread Rated",
 181                session_id = session_id,
 182                rating = rating,
 183                agent = agent_name,
 184                thread = thread
 185            );
 186            anyhow::Ok(())
 187        })
 188        .detach_and_log_err(cx);
 189    }
 190
 191    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 192        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 193            return;
 194        };
 195
 196        let Some(comments) = self
 197            .comments_editor
 198            .as_ref()
 199            .map(|editor| editor.read(cx).text(cx))
 200            .filter(|text| !text.trim().is_empty())
 201        else {
 202            return;
 203        };
 204
 205        self.comments_editor.take();
 206
 207        let session_id = thread.read(cx).session_id().clone();
 208        let agent_name = telemetry.agent_name();
 209        let task = telemetry.thread_data(&session_id, cx);
 210        cx.background_spawn(async move {
 211            let thread = task.await?;
 212            telemetry::event!(
 213                "Agent Thread Feedback Comments",
 214                session_id = session_id,
 215                comments = comments,
 216                agent = agent_name,
 217                thread = thread
 218            );
 219            anyhow::Ok(())
 220        })
 221        .detach_and_log_err(cx);
 222    }
 223
 224    pub fn clear(&mut self) {
 225        *self = Self::default()
 226    }
 227
 228    pub fn dismiss_comments(&mut self) {
 229        self.comments_editor.take();
 230    }
 231
 232    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 233        let buffer = cx.new(|cx| {
 234            let empty_string = String::new();
 235            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 236        });
 237
 238        let editor = cx.new(|cx| {
 239            let mut editor = Editor::new(
 240                editor::EditorMode::AutoHeight {
 241                    min_lines: 1,
 242                    max_lines: Some(4),
 243                },
 244                buffer,
 245                None,
 246                window,
 247                cx,
 248            );
 249            editor.set_placeholder_text(
 250                "What went wrong? Share your feedback so we can improve.",
 251                cx,
 252            );
 253            editor
 254        });
 255
 256        editor.read(cx).focus_handle(cx).focus(window);
 257        editor
 258    }
 259}
 260
 261pub struct AcpThreadView {
 262    agent: Rc<dyn AgentServer>,
 263    workspace: WeakEntity<Workspace>,
 264    project: Entity<Project>,
 265    thread_state: ThreadState,
 266    history_store: Entity<HistoryStore>,
 267    hovered_recent_history_item: Option<usize>,
 268    entry_view_state: Entity<EntryViewState>,
 269    message_editor: Entity<MessageEditor>,
 270    focus_handle: FocusHandle,
 271    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 272    profile_selector: Option<Entity<ProfileSelector>>,
 273    notifications: Vec<WindowHandle<AgentNotification>>,
 274    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 275    thread_retry_status: Option<RetryStatus>,
 276    thread_error: Option<ThreadError>,
 277    thread_feedback: ThreadFeedbackState,
 278    list_state: ListState,
 279    scrollbar_state: ScrollbarState,
 280    auth_task: Option<Task<()>>,
 281    expanded_tool_calls: HashSet<acp::ToolCallId>,
 282    expanded_thinking_blocks: HashSet<(usize, usize)>,
 283    edits_expanded: bool,
 284    plan_expanded: bool,
 285    editor_expanded: bool,
 286    should_be_following: bool,
 287    editing_message: Option<usize>,
 288    prompt_capabilities: Rc<Cell<PromptCapabilities>>,
 289    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 290    is_loading_contents: bool,
 291    _cancel_task: Option<Task<()>>,
 292    _subscriptions: [Subscription; 3],
 293}
 294
 295enum ThreadState {
 296    Loading(Entity<LoadingView>),
 297    Ready {
 298        thread: Entity<AcpThread>,
 299        title_editor: Option<Entity<Editor>>,
 300        _subscriptions: Vec<Subscription>,
 301    },
 302    LoadError(LoadError),
 303    Unauthenticated {
 304        connection: Rc<dyn AgentConnection>,
 305        description: Option<Entity<Markdown>>,
 306        configuration_view: Option<AnyView>,
 307        pending_auth_method: Option<acp::AuthMethodId>,
 308        _subscription: Option<Subscription>,
 309    },
 310}
 311
 312struct LoadingView {
 313    title: SharedString,
 314    _load_task: Task<()>,
 315    _update_title_task: Task<anyhow::Result<()>>,
 316}
 317
 318impl AcpThreadView {
 319    pub fn new(
 320        agent: Rc<dyn AgentServer>,
 321        resume_thread: Option<DbThreadMetadata>,
 322        summarize_thread: Option<DbThreadMetadata>,
 323        workspace: WeakEntity<Workspace>,
 324        project: Entity<Project>,
 325        history_store: Entity<HistoryStore>,
 326        prompt_store: Option<Entity<PromptStore>>,
 327        window: &mut Window,
 328        cx: &mut Context<Self>,
 329    ) -> Self {
 330        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
 331        let available_commands = Rc::new(RefCell::new(vec![]));
 332
 333        let placeholder = if agent.name() == "Zed Agent" {
 334            format!("Message the {} — @ to include context", agent.name())
 335        } else {
 336            format!("Message {} — @ to include context", agent.name())
 337        };
 338
 339        let message_editor = cx.new(|cx| {
 340            let mut editor = MessageEditor::new(
 341                workspace.clone(),
 342                project.clone(),
 343                history_store.clone(),
 344                prompt_store.clone(),
 345                prompt_capabilities.clone(),
 346                available_commands.clone(),
 347                agent.name(),
 348                placeholder,
 349                editor::EditorMode::AutoHeight {
 350                    min_lines: MIN_EDITOR_LINES,
 351                    max_lines: Some(MAX_EDITOR_LINES),
 352                },
 353                window,
 354                cx,
 355            );
 356            if let Some(entry) = summarize_thread {
 357                editor.insert_thread_summary(entry, window, cx);
 358            }
 359            editor
 360        });
 361
 362        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 363
 364        let entry_view_state = cx.new(|_| {
 365            EntryViewState::new(
 366                workspace.clone(),
 367                project.clone(),
 368                history_store.clone(),
 369                prompt_store.clone(),
 370                prompt_capabilities.clone(),
 371                available_commands.clone(),
 372                agent.name(),
 373            )
 374        });
 375
 376        let subscriptions = [
 377            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 378            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 379            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 380        ];
 381
 382        Self {
 383            agent: agent.clone(),
 384            workspace: workspace.clone(),
 385            project: project.clone(),
 386            entry_view_state,
 387            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 388            message_editor,
 389            model_selector: None,
 390            profile_selector: None,
 391            notifications: Vec::new(),
 392            notification_subscriptions: HashMap::default(),
 393            list_state: list_state.clone(),
 394            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 395            thread_retry_status: None,
 396            thread_error: None,
 397            thread_feedback: Default::default(),
 398            auth_task: None,
 399            expanded_tool_calls: HashSet::default(),
 400            expanded_thinking_blocks: HashSet::default(),
 401            editing_message: None,
 402            edits_expanded: false,
 403            plan_expanded: false,
 404            prompt_capabilities,
 405            available_commands,
 406            editor_expanded: false,
 407            should_be_following: false,
 408            history_store,
 409            hovered_recent_history_item: None,
 410            is_loading_contents: false,
 411            _subscriptions: subscriptions,
 412            _cancel_task: None,
 413            focus_handle: cx.focus_handle(),
 414        }
 415    }
 416
 417    fn initial_state(
 418        agent: Rc<dyn AgentServer>,
 419        resume_thread: Option<DbThreadMetadata>,
 420        workspace: WeakEntity<Workspace>,
 421        project: Entity<Project>,
 422        window: &mut Window,
 423        cx: &mut Context<Self>,
 424    ) -> ThreadState {
 425        if !project.read(cx).is_local() && agent.clone().downcast::<NativeAgentServer>().is_none() {
 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::Refusal => {
1261                self.thread_retry_status.take();
1262                self.thread_error = Some(ThreadError::Refusal);
1263                let model_or_agent_name = self.get_current_model_name(cx);
1264                let notification_message =
1265                    format!("{} refused to respond to this request", model_or_agent_name);
1266                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1267            }
1268            AcpThreadEvent::Error => {
1269                self.thread_retry_status.take();
1270                self.notify_with_sound(
1271                    "Agent stopped due to an error",
1272                    IconName::Warning,
1273                    window,
1274                    cx,
1275                );
1276            }
1277            AcpThreadEvent::LoadError(error) => {
1278                self.thread_retry_status.take();
1279                self.thread_state = ThreadState::LoadError(error.clone());
1280                if self.message_editor.focus_handle(cx).is_focused(window) {
1281                    self.focus_handle.focus(window)
1282                }
1283            }
1284            AcpThreadEvent::TitleUpdated => {
1285                let title = thread.read(cx).title();
1286                if let Some(title_editor) = self.title_editor() {
1287                    title_editor.update(cx, |editor, cx| {
1288                        if editor.text(cx) != title {
1289                            editor.set_text(title, window, cx);
1290                        }
1291                    });
1292                }
1293            }
1294            AcpThreadEvent::PromptCapabilitiesUpdated => {
1295                self.prompt_capabilities
1296                    .set(thread.read(cx).prompt_capabilities());
1297            }
1298            AcpThreadEvent::TokenUsageUpdated => {}
1299        }
1300        cx.notify();
1301    }
1302
1303    fn authenticate(
1304        &mut self,
1305        method: acp::AuthMethodId,
1306        window: &mut Window,
1307        cx: &mut Context<Self>,
1308    ) {
1309        let ThreadState::Unauthenticated {
1310            connection,
1311            pending_auth_method,
1312            configuration_view,
1313            ..
1314        } = &mut self.thread_state
1315        else {
1316            return;
1317        };
1318
1319        if method.0.as_ref() == "gemini-api-key" {
1320            let registry = LanguageModelRegistry::global(cx);
1321            let provider = registry
1322                .read(cx)
1323                .provider(&language_model::GOOGLE_PROVIDER_ID)
1324                .unwrap();
1325            if !provider.is_authenticated(cx) {
1326                let this = cx.weak_entity();
1327                let agent = self.agent.clone();
1328                let connection = connection.clone();
1329                window.defer(cx, |window, cx| {
1330                    Self::handle_auth_required(
1331                        this,
1332                        AuthRequired {
1333                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1334                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1335                        },
1336                        agent,
1337                        connection,
1338                        window,
1339                        cx,
1340                    );
1341                });
1342                return;
1343            }
1344        } else if method.0.as_ref() == "anthropic-api-key" {
1345            let registry = LanguageModelRegistry::global(cx);
1346            let provider = registry
1347                .read(cx)
1348                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1349                .unwrap();
1350            if !provider.is_authenticated(cx) {
1351                let this = cx.weak_entity();
1352                let agent = self.agent.clone();
1353                let connection = connection.clone();
1354                window.defer(cx, |window, cx| {
1355                    Self::handle_auth_required(
1356                        this,
1357                        AuthRequired {
1358                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1359                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1360                        },
1361                        agent,
1362                        connection,
1363                        window,
1364                        cx,
1365                    );
1366                });
1367                return;
1368            }
1369        } else if method.0.as_ref() == "vertex-ai"
1370            && std::env::var("GOOGLE_API_KEY").is_err()
1371            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1372                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1373        {
1374            let this = cx.weak_entity();
1375            let agent = self.agent.clone();
1376            let connection = connection.clone();
1377
1378            window.defer(cx, |window, cx| {
1379                    Self::handle_auth_required(
1380                        this,
1381                        AuthRequired {
1382                            description: Some(
1383                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1384                                    .to_owned(),
1385                            ),
1386                            provider_id: None,
1387                        },
1388                        agent,
1389                        connection,
1390                        window,
1391                        cx,
1392                    )
1393                });
1394            return;
1395        }
1396
1397        self.thread_error.take();
1398        configuration_view.take();
1399        pending_auth_method.replace(method.clone());
1400        let authenticate = if method.0.as_ref() == "claude-login" {
1401            if let Some(workspace) = self.workspace.upgrade() {
1402                Self::spawn_claude_login(&workspace, window, cx)
1403            } else {
1404                Task::ready(Ok(()))
1405            }
1406        } else {
1407            connection.authenticate(method, cx)
1408        };
1409        cx.notify();
1410        self.auth_task =
1411            Some(cx.spawn_in(window, {
1412                let project = self.project.clone();
1413                let agent = self.agent.clone();
1414                async move |this, cx| {
1415                    let result = authenticate.await;
1416
1417                    match &result {
1418                        Ok(_) => telemetry::event!(
1419                            "Authenticate Agent Succeeded",
1420                            agent = agent.telemetry_id()
1421                        ),
1422                        Err(_) => {
1423                            telemetry::event!(
1424                                "Authenticate Agent Failed",
1425                                agent = agent.telemetry_id(),
1426                            )
1427                        }
1428                    }
1429
1430                    this.update_in(cx, |this, window, cx| {
1431                        if let Err(err) = result {
1432                            if let ThreadState::Unauthenticated {
1433                                pending_auth_method,
1434                                ..
1435                            } = &mut this.thread_state
1436                            {
1437                                pending_auth_method.take();
1438                            }
1439                            this.handle_thread_error(err, cx);
1440                        } else {
1441                            this.thread_state = Self::initial_state(
1442                                agent,
1443                                None,
1444                                this.workspace.clone(),
1445                                project.clone(),
1446                                window,
1447                                cx,
1448                            )
1449                        }
1450                        this.auth_task.take()
1451                    })
1452                    .ok();
1453                }
1454            }));
1455    }
1456
1457    fn spawn_claude_login(
1458        workspace: &Entity<Workspace>,
1459        window: &mut Window,
1460        cx: &mut App,
1461    ) -> Task<Result<()>> {
1462        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1463            return Task::ready(Ok(()));
1464        };
1465        let project_entity = workspace.read(cx).project();
1466        let project = project_entity.read(cx);
1467        let cwd = project.first_project_directory(cx);
1468        let shell = project.terminal_settings(&cwd, cx).shell.clone();
1469
1470        let delegate = AgentServerDelegate::new(project_entity.clone(), None);
1471        let command = ClaudeCode::login_command(delegate, cx);
1472
1473        window.spawn(cx, async move |cx| {
1474            let login_command = command.await?;
1475            let command = login_command
1476                .path
1477                .to_str()
1478                .with_context(|| format!("invalid login command: {:?}", login_command.path))?;
1479            let command = shlex::try_quote(command)?;
1480            let args = login_command
1481                .arguments
1482                .iter()
1483                .map(|arg| {
1484                    Ok(shlex::try_quote(arg)
1485                        .context("Failed to quote argument")?
1486                        .to_string())
1487                })
1488                .collect::<Result<Vec<_>>>()?;
1489
1490            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1491                terminal_panel.spawn_task(
1492                    &SpawnInTerminal {
1493                        id: task::TaskId("claude-login".into()),
1494                        full_label: "claude /login".to_owned(),
1495                        label: "claude /login".to_owned(),
1496                        command: Some(command.into()),
1497                        args,
1498                        command_label: "claude /login".to_owned(),
1499                        cwd,
1500                        use_new_terminal: true,
1501                        allow_concurrent_runs: true,
1502                        hide: task::HideStrategy::Always,
1503                        shell,
1504                        ..Default::default()
1505                    },
1506                    window,
1507                    cx,
1508                )
1509            })?;
1510
1511            let terminal = terminal.await?;
1512            let mut exit_status = terminal
1513                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1514                .fuse();
1515
1516            let logged_in = cx
1517                .spawn({
1518                    let terminal = terminal.clone();
1519                    async move |cx| {
1520                        loop {
1521                            cx.background_executor().timer(Duration::from_secs(1)).await;
1522                            let content =
1523                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1524                            if content.contains("Login successful") {
1525                                return anyhow::Ok(());
1526                            }
1527                        }
1528                    }
1529                })
1530                .fuse();
1531            futures::pin_mut!(logged_in);
1532            futures::select_biased! {
1533                result = logged_in => {
1534                    if let Err(e) = result {
1535                        log::error!("{e}");
1536                        return Err(anyhow!("exited before logging in"));
1537                    }
1538                }
1539                _ = exit_status => {
1540                    return Err(anyhow!("exited before logging in"));
1541                }
1542            }
1543            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1544            Ok(())
1545        })
1546    }
1547
1548    fn authorize_tool_call(
1549        &mut self,
1550        tool_call_id: acp::ToolCallId,
1551        option_id: acp::PermissionOptionId,
1552        option_kind: acp::PermissionOptionKind,
1553        window: &mut Window,
1554        cx: &mut Context<Self>,
1555    ) {
1556        let Some(thread) = self.thread() else {
1557            return;
1558        };
1559        thread.update(cx, |thread, cx| {
1560            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1561        });
1562        if self.should_be_following {
1563            self.workspace
1564                .update(cx, |workspace, cx| {
1565                    workspace.follow(CollaboratorId::Agent, window, cx);
1566                })
1567                .ok();
1568        }
1569        cx.notify();
1570    }
1571
1572    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1573        let Some(thread) = self.thread() else {
1574            return;
1575        };
1576        thread
1577            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1578            .detach_and_log_err(cx);
1579        cx.notify();
1580    }
1581
1582    fn render_entry(
1583        &self,
1584        entry_ix: usize,
1585        total_entries: usize,
1586        entry: &AgentThreadEntry,
1587        window: &mut Window,
1588        cx: &Context<Self>,
1589    ) -> AnyElement {
1590        let primary = match &entry {
1591            AgentThreadEntry::UserMessage(message) => {
1592                let Some(editor) = self
1593                    .entry_view_state
1594                    .read(cx)
1595                    .entry(entry_ix)
1596                    .and_then(|entry| entry.message_editor())
1597                    .cloned()
1598                else {
1599                    return Empty.into_any_element();
1600                };
1601
1602                let editing = self.editing_message == Some(entry_ix);
1603                let editor_focus = editor.focus_handle(cx).is_focused(window);
1604                let focus_border = cx.theme().colors().border_focused;
1605
1606                let rules_item = if entry_ix == 0 {
1607                    self.render_rules_item(cx)
1608                } else {
1609                    None
1610                };
1611
1612                let has_checkpoint_button = message
1613                    .checkpoint
1614                    .as_ref()
1615                    .is_some_and(|checkpoint| checkpoint.show);
1616
1617                let agent_name = self.agent.name();
1618
1619                v_flex()
1620                    .id(("user_message", entry_ix))
1621                    .map(|this| {
1622                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1623                            this.pt(rems_from_px(18.))
1624                        } else if rules_item.is_some() {
1625                            this.pt_3()
1626                        } else {
1627                            this.pt_2()
1628                        }
1629                    })
1630                    .pb_3()
1631                    .px_2()
1632                    .gap_1p5()
1633                    .w_full()
1634                    .children(rules_item)
1635                    .children(message.id.clone().and_then(|message_id| {
1636                        message.checkpoint.as_ref()?.show.then(|| {
1637                            h_flex()
1638                                .px_3()
1639                                .gap_2()
1640                                .child(Divider::horizontal())
1641                                .child(
1642                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1643                                        .icon(IconName::Undo)
1644                                        .icon_size(IconSize::XSmall)
1645                                        .icon_position(IconPosition::Start)
1646                                        .label_size(LabelSize::XSmall)
1647                                        .icon_color(Color::Muted)
1648                                        .color(Color::Muted)
1649                                        .on_click(cx.listener(move |this, _, _window, cx| {
1650                                            this.rewind(&message_id, cx);
1651                                        }))
1652                                )
1653                                .child(Divider::horizontal())
1654                        })
1655                    }))
1656                    .child(
1657                        div()
1658                            .relative()
1659                            .child(
1660                                div()
1661                                    .py_3()
1662                                    .px_2()
1663                                    .rounded_md()
1664                                    .shadow_md()
1665                                    .bg(cx.theme().colors().editor_background)
1666                                    .border_1()
1667                                    .when(editing && !editor_focus, |this| this.border_dashed())
1668                                    .border_color(cx.theme().colors().border)
1669                                    .map(|this|{
1670                                        if editing && editor_focus {
1671                                            this.border_color(focus_border)
1672                                        } else if message.id.is_some() {
1673                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1674                                        } else {
1675                                            this
1676                                        }
1677                                    })
1678                                    .text_xs()
1679                                    .child(editor.clone().into_any_element()),
1680                            )
1681                            .when(editor_focus, |this| {
1682                                let base_container = h_flex()
1683                                    .absolute()
1684                                    .top_neg_3p5()
1685                                    .right_3()
1686                                    .gap_1()
1687                                    .rounded_sm()
1688                                    .border_1()
1689                                    .border_color(cx.theme().colors().border)
1690                                    .bg(cx.theme().colors().editor_background)
1691                                    .overflow_hidden();
1692
1693                                if message.id.is_some() {
1694                                    this.child(
1695                                        base_container
1696                                            .child(
1697                                                IconButton::new("cancel", IconName::Close)
1698                                                    .disabled(self.is_loading_contents)
1699                                                    .icon_color(Color::Error)
1700                                                    .icon_size(IconSize::XSmall)
1701                                                    .on_click(cx.listener(Self::cancel_editing))
1702                                            )
1703                                            .child(
1704                                                if self.is_loading_contents {
1705                                                    div()
1706                                                        .id("loading-edited-message-content")
1707                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1708                                                        .child(loading_contents_spinner(IconSize::XSmall))
1709                                                        .into_any_element()
1710                                                } else {
1711                                                    IconButton::new("regenerate", IconName::Return)
1712                                                        .icon_color(Color::Muted)
1713                                                        .icon_size(IconSize::XSmall)
1714                                                        .tooltip(Tooltip::text(
1715                                                            "Editing will restart the thread from this point."
1716                                                        ))
1717                                                        .on_click(cx.listener({
1718                                                            let editor = editor.clone();
1719                                                            move |this, _, window, cx| {
1720                                                                this.regenerate(
1721                                                                    entry_ix, &editor, window, cx,
1722                                                                );
1723                                                            }
1724                                                        })).into_any_element()
1725                                                }
1726                                            )
1727                                    )
1728                                } else {
1729                                    this.child(
1730                                        base_container
1731                                            .border_dashed()
1732                                            .child(
1733                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1734                                                    .icon_size(IconSize::Small)
1735                                                    .icon_color(Color::Muted)
1736                                                    .style(ButtonStyle::Transparent)
1737                                                    .tooltip(move |_window, cx| {
1738                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1739                                                            .into()
1740                                                    })
1741                                            )
1742                                    )
1743                                }
1744                            }),
1745                    )
1746                    .into_any()
1747            }
1748            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1749                let is_last = entry_ix + 1 == total_entries;
1750
1751                let style = default_markdown_style(false, false, window, cx);
1752                let message_body = v_flex()
1753                    .w_full()
1754                    .gap_3()
1755                    .children(chunks.iter().enumerate().filter_map(
1756                        |(chunk_ix, chunk)| match chunk {
1757                            AssistantMessageChunk::Message { block } => {
1758                                block.markdown().map(|md| {
1759                                    self.render_markdown(md.clone(), style.clone())
1760                                        .into_any_element()
1761                                })
1762                            }
1763                            AssistantMessageChunk::Thought { block } => {
1764                                block.markdown().map(|md| {
1765                                    self.render_thinking_block(
1766                                        entry_ix,
1767                                        chunk_ix,
1768                                        md.clone(),
1769                                        window,
1770                                        cx,
1771                                    )
1772                                    .into_any_element()
1773                                })
1774                            }
1775                        },
1776                    ))
1777                    .into_any();
1778
1779                v_flex()
1780                    .px_5()
1781                    .py_1p5()
1782                    .when(is_last, |this| this.pb_4())
1783                    .w_full()
1784                    .text_ui(cx)
1785                    .child(message_body)
1786                    .into_any()
1787            }
1788            AgentThreadEntry::ToolCall(tool_call) => {
1789                let has_terminals = tool_call.terminals().next().is_some();
1790
1791                div().w_full().map(|this| {
1792                    if has_terminals {
1793                        this.children(tool_call.terminals().map(|terminal| {
1794                            self.render_terminal_tool_call(
1795                                entry_ix, terminal, tool_call, window, cx,
1796                            )
1797                        }))
1798                    } else {
1799                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1800                    }
1801                })
1802            }
1803            .into_any(),
1804        };
1805
1806        let Some(thread) = self.thread() else {
1807            return primary;
1808        };
1809
1810        let primary = if entry_ix == total_entries - 1 {
1811            v_flex()
1812                .w_full()
1813                .child(primary)
1814                .child(self.render_thread_controls(&thread, cx))
1815                .when_some(
1816                    self.thread_feedback.comments_editor.clone(),
1817                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1818                )
1819                .into_any_element()
1820        } else {
1821            primary
1822        };
1823
1824        if let Some(editing_index) = self.editing_message.as_ref()
1825            && *editing_index < entry_ix
1826        {
1827            let backdrop = div()
1828                .id(("backdrop", entry_ix))
1829                .size_full()
1830                .absolute()
1831                .inset_0()
1832                .bg(cx.theme().colors().panel_background)
1833                .opacity(0.8)
1834                .block_mouse_except_scroll()
1835                .on_click(cx.listener(Self::cancel_editing));
1836
1837            div()
1838                .relative()
1839                .child(primary)
1840                .child(backdrop)
1841                .into_any_element()
1842        } else {
1843            primary
1844        }
1845    }
1846
1847    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1848        cx.theme()
1849            .colors()
1850            .element_background
1851            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1852    }
1853
1854    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1855        cx.theme().colors().border.opacity(0.8)
1856    }
1857
1858    fn tool_name_font_size(&self) -> Rems {
1859        rems_from_px(13.)
1860    }
1861
1862    fn render_thinking_block(
1863        &self,
1864        entry_ix: usize,
1865        chunk_ix: usize,
1866        chunk: Entity<Markdown>,
1867        window: &Window,
1868        cx: &Context<Self>,
1869    ) -> AnyElement {
1870        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1871        let card_header_id = SharedString::from("inner-card-header");
1872
1873        let key = (entry_ix, chunk_ix);
1874
1875        let is_open = self.expanded_thinking_blocks.contains(&key);
1876
1877        let scroll_handle = self
1878            .entry_view_state
1879            .read(cx)
1880            .entry(entry_ix)
1881            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
1882
1883        let thinking_content = {
1884            div()
1885                .id(("thinking-content", chunk_ix))
1886                .when_some(scroll_handle, |this, scroll_handle| {
1887                    this.track_scroll(&scroll_handle)
1888                })
1889                .text_ui_sm(cx)
1890                .overflow_hidden()
1891                .child(
1892                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
1893                )
1894        };
1895
1896        v_flex()
1897            .gap_1()
1898            .child(
1899                h_flex()
1900                    .id(header_id)
1901                    .group(&card_header_id)
1902                    .relative()
1903                    .w_full()
1904                    .pr_1()
1905                    .justify_between()
1906                    .child(
1907                        h_flex()
1908                            .h(window.line_height() - px(2.))
1909                            .gap_1p5()
1910                            .overflow_hidden()
1911                            .child(
1912                                Icon::new(IconName::ToolThink)
1913                                    .size(IconSize::Small)
1914                                    .color(Color::Muted),
1915                            )
1916                            .child(
1917                                div()
1918                                    .text_size(self.tool_name_font_size())
1919                                    .text_color(cx.theme().colors().text_muted)
1920                                    .child("Thinking"),
1921                            ),
1922                    )
1923                    .child(
1924                        Disclosure::new(("expand", entry_ix), is_open)
1925                            .opened_icon(IconName::ChevronUp)
1926                            .closed_icon(IconName::ChevronDown)
1927                            .visible_on_hover(&card_header_id)
1928                            .on_click(cx.listener({
1929                                move |this, _event, _window, cx| {
1930                                    if is_open {
1931                                        this.expanded_thinking_blocks.remove(&key);
1932                                    } else {
1933                                        this.expanded_thinking_blocks.insert(key);
1934                                    }
1935                                    cx.notify();
1936                                }
1937                            })),
1938                    )
1939                    .on_click(cx.listener({
1940                        move |this, _event, _window, cx| {
1941                            if is_open {
1942                                this.expanded_thinking_blocks.remove(&key);
1943                            } else {
1944                                this.expanded_thinking_blocks.insert(key);
1945                            }
1946                            cx.notify();
1947                        }
1948                    })),
1949            )
1950            .when(is_open, |this| {
1951                this.child(
1952                    div()
1953                        .ml_1p5()
1954                        .pl_3p5()
1955                        .border_l_1()
1956                        .border_color(self.tool_card_border_color(cx))
1957                        .child(thinking_content),
1958                )
1959            })
1960            .into_any_element()
1961    }
1962
1963    fn render_tool_call(
1964        &self,
1965        entry_ix: usize,
1966        tool_call: &ToolCall,
1967        window: &Window,
1968        cx: &Context<Self>,
1969    ) -> Div {
1970        let card_header_id = SharedString::from("inner-tool-call-header");
1971
1972        let tool_icon =
1973            if tool_call.kind == acp::ToolKind::Edit && tool_call.locations.len() == 1 {
1974                FileIcons::get_icon(&tool_call.locations[0].path, cx)
1975                    .map(Icon::from_path)
1976                    .unwrap_or(Icon::new(IconName::ToolPencil))
1977            } else {
1978                Icon::new(match tool_call.kind {
1979                    acp::ToolKind::Read => IconName::ToolSearch,
1980                    acp::ToolKind::Edit => IconName::ToolPencil,
1981                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
1982                    acp::ToolKind::Move => IconName::ArrowRightLeft,
1983                    acp::ToolKind::Search => IconName::ToolSearch,
1984                    acp::ToolKind::Execute => IconName::ToolTerminal,
1985                    acp::ToolKind::Think => IconName::ToolThink,
1986                    acp::ToolKind::Fetch => IconName::ToolWeb,
1987                    acp::ToolKind::Other => IconName::ToolHammer,
1988                })
1989            }
1990            .size(IconSize::Small)
1991            .color(Color::Muted);
1992
1993        let failed_or_canceled = match &tool_call.status {
1994            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
1995            _ => false,
1996        };
1997
1998        let has_location = tool_call.locations.len() == 1;
1999        let needs_confirmation = matches!(
2000            tool_call.status,
2001            ToolCallStatus::WaitingForConfirmation { .. }
2002        );
2003        let is_edit =
2004            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2005        let use_card_layout = needs_confirmation || is_edit;
2006
2007        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2008
2009        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2010
2011        let gradient_overlay = {
2012            div()
2013                .absolute()
2014                .top_0()
2015                .right_0()
2016                .w_12()
2017                .h_full()
2018                .map(|this| {
2019                    if use_card_layout {
2020                        this.bg(linear_gradient(
2021                            90.,
2022                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2023                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2024                        ))
2025                    } else {
2026                        this.bg(linear_gradient(
2027                            90.,
2028                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2029                            linear_color_stop(
2030                                cx.theme().colors().panel_background.opacity(0.2),
2031                                0.,
2032                            ),
2033                        ))
2034                    }
2035                })
2036        };
2037
2038        let tool_output_display = if is_open {
2039            match &tool_call.status {
2040                ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2041                    .w_full()
2042                    .children(tool_call.content.iter().map(|content| {
2043                        div()
2044                            .child(self.render_tool_call_content(
2045                                entry_ix,
2046                                content,
2047                                tool_call,
2048                                use_card_layout,
2049                                window,
2050                                cx,
2051                            ))
2052                            .into_any_element()
2053                    }))
2054                    .child(self.render_permission_buttons(
2055                        options,
2056                        entry_ix,
2057                        tool_call.id.clone(),
2058                        cx,
2059                    ))
2060                    .into_any(),
2061                ToolCallStatus::Pending | ToolCallStatus::InProgress
2062                    if is_edit
2063                        && tool_call.content.is_empty()
2064                        && self.as_native_connection(cx).is_some() =>
2065                {
2066                    self.render_diff_loading(cx).into_any()
2067                }
2068                ToolCallStatus::Pending
2069                | ToolCallStatus::InProgress
2070                | ToolCallStatus::Completed
2071                | ToolCallStatus::Failed
2072                | ToolCallStatus::Canceled => v_flex()
2073                    .w_full()
2074                    .children(tool_call.content.iter().map(|content| {
2075                        div().child(self.render_tool_call_content(
2076                            entry_ix,
2077                            content,
2078                            tool_call,
2079                            use_card_layout,
2080                            window,
2081                            cx,
2082                        ))
2083                    }))
2084                    .into_any(),
2085                ToolCallStatus::Rejected => Empty.into_any(),
2086            }
2087            .into()
2088        } else {
2089            None
2090        };
2091
2092        v_flex()
2093            .map(|this| {
2094                if use_card_layout {
2095                    this.my_1p5()
2096                        .rounded_md()
2097                        .border_1()
2098                        .border_color(self.tool_card_border_color(cx))
2099                        .bg(cx.theme().colors().editor_background)
2100                        .overflow_hidden()
2101                } else {
2102                    this.my_1()
2103                }
2104            })
2105            .map(|this| {
2106                if has_location && !use_card_layout {
2107                    this.ml_4()
2108                } else {
2109                    this.ml_5()
2110                }
2111            })
2112            .mr_5()
2113            .child(
2114                h_flex()
2115                    .group(&card_header_id)
2116                    .relative()
2117                    .w_full()
2118                    .gap_1()
2119                    .justify_between()
2120                    .when(use_card_layout, |this| {
2121                        this.p_0p5()
2122                            .rounded_t(rems_from_px(5.))
2123                            .bg(self.tool_card_header_bg(cx))
2124                    })
2125                    .child(
2126                        h_flex()
2127                            .relative()
2128                            .w_full()
2129                            .h(window.line_height() - px(2.))
2130                            .text_size(self.tool_name_font_size())
2131                            .gap_1p5()
2132                            .when(has_location || use_card_layout, |this| this.px_1())
2133                            .when(has_location, |this| {
2134                                this.cursor(CursorStyle::PointingHand)
2135                                    .rounded(rems_from_px(3.)) // Concentric border radius
2136                                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2137                            })
2138                            .overflow_hidden()
2139                            .child(tool_icon)
2140                            .child(if has_location {
2141                                let name = tool_call.locations[0]
2142                                    .path
2143                                    .file_name()
2144                                    .unwrap_or_default()
2145                                    .display()
2146                                    .to_string();
2147
2148                                h_flex()
2149                                    .id(("open-tool-call-location", entry_ix))
2150                                    .w_full()
2151                                    .map(|this| {
2152                                        if use_card_layout {
2153                                            this.text_color(cx.theme().colors().text)
2154                                        } else {
2155                                            this.text_color(cx.theme().colors().text_muted)
2156                                        }
2157                                    })
2158                                    .child(name)
2159                                    .tooltip(Tooltip::text("Jump to File"))
2160                                    .on_click(cx.listener(move |this, _, window, cx| {
2161                                        this.open_tool_call_location(entry_ix, 0, window, cx);
2162                                    }))
2163                                    .into_any_element()
2164                            } else {
2165                                h_flex()
2166                                    .w_full()
2167                                    .child(self.render_markdown(
2168                                        tool_call.label.clone(),
2169                                        default_markdown_style(false, true, window, cx),
2170                                    ))
2171                                    .into_any()
2172                            })
2173                            .when(!has_location, |this| this.child(gradient_overlay)),
2174                    )
2175                    .when(is_collapsible || failed_or_canceled, |this| {
2176                        this.child(
2177                            h_flex()
2178                                .px_1()
2179                                .gap_px()
2180                                .when(is_collapsible, |this| {
2181                                    this.child(
2182                                    Disclosure::new(("expand", entry_ix), is_open)
2183                                        .opened_icon(IconName::ChevronUp)
2184                                        .closed_icon(IconName::ChevronDown)
2185                                        .visible_on_hover(&card_header_id)
2186                                        .on_click(cx.listener({
2187                                            let id = tool_call.id.clone();
2188                                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2189                                                if is_open {
2190                                                    this.expanded_tool_calls.remove(&id);
2191                                                } else {
2192                                                    this.expanded_tool_calls.insert(id.clone());
2193                                                }
2194                                                cx.notify();
2195                                            }
2196                                        })),
2197                                )
2198                                })
2199                                .when(failed_or_canceled, |this| {
2200                                    this.child(
2201                                        Icon::new(IconName::Close)
2202                                            .color(Color::Error)
2203                                            .size(IconSize::Small),
2204                                    )
2205                                }),
2206                        )
2207                    }),
2208            )
2209            .children(tool_output_display)
2210    }
2211
2212    fn render_tool_call_content(
2213        &self,
2214        entry_ix: usize,
2215        content: &ToolCallContent,
2216        tool_call: &ToolCall,
2217        card_layout: bool,
2218        window: &Window,
2219        cx: &Context<Self>,
2220    ) -> AnyElement {
2221        match content {
2222            ToolCallContent::ContentBlock(content) => {
2223                if let Some(resource_link) = content.resource_link() {
2224                    self.render_resource_link(resource_link, cx)
2225                } else if let Some(markdown) = content.markdown() {
2226                    self.render_markdown_output(
2227                        markdown.clone(),
2228                        tool_call.id.clone(),
2229                        card_layout,
2230                        window,
2231                        cx,
2232                    )
2233                } else {
2234                    Empty.into_any_element()
2235                }
2236            }
2237            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2238            ToolCallContent::Terminal(terminal) => {
2239                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2240            }
2241        }
2242    }
2243
2244    fn render_markdown_output(
2245        &self,
2246        markdown: Entity<Markdown>,
2247        tool_call_id: acp::ToolCallId,
2248        card_layout: bool,
2249        window: &Window,
2250        cx: &Context<Self>,
2251    ) -> AnyElement {
2252        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2253
2254        v_flex()
2255            .mt_1p5()
2256            .gap_2()
2257            .when(!card_layout, |this| {
2258                this.ml(rems(0.4))
2259                    .px_3p5()
2260                    .border_l_1()
2261                    .border_color(self.tool_card_border_color(cx))
2262            })
2263            .when(card_layout, |this| {
2264                this.p_2()
2265                    .border_t_1()
2266                    .border_color(self.tool_card_border_color(cx))
2267            })
2268            .text_sm()
2269            .text_color(cx.theme().colors().text_muted)
2270            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2271            .when(!card_layout, |this| {
2272                this.child(
2273                    IconButton::new(button_id, IconName::ChevronUp)
2274                        .full_width()
2275                        .style(ButtonStyle::Outlined)
2276                        .icon_color(Color::Muted)
2277                        .on_click(cx.listener({
2278                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2279                                this.expanded_tool_calls.remove(&tool_call_id);
2280                                cx.notify();
2281                            }
2282                        })),
2283                )
2284            })
2285            .into_any_element()
2286    }
2287
2288    fn render_resource_link(
2289        &self,
2290        resource_link: &acp::ResourceLink,
2291        cx: &Context<Self>,
2292    ) -> AnyElement {
2293        let uri: SharedString = resource_link.uri.clone().into();
2294        let is_file = resource_link.uri.strip_prefix("file://");
2295
2296        let label: SharedString = if let Some(abs_path) = is_file {
2297            if let Some(project_path) = self
2298                .project
2299                .read(cx)
2300                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2301                && let Some(worktree) = self
2302                    .project
2303                    .read(cx)
2304                    .worktree_for_id(project_path.worktree_id, cx)
2305            {
2306                worktree
2307                    .read(cx)
2308                    .full_path(&project_path.path)
2309                    .to_string_lossy()
2310                    .to_string()
2311                    .into()
2312            } else {
2313                abs_path.to_string().into()
2314            }
2315        } else {
2316            uri.clone()
2317        };
2318
2319        let button_id = SharedString::from(format!("item-{}", uri));
2320
2321        div()
2322            .ml(rems(0.4))
2323            .pl_2p5()
2324            .border_l_1()
2325            .border_color(self.tool_card_border_color(cx))
2326            .overflow_hidden()
2327            .child(
2328                Button::new(button_id, label)
2329                    .label_size(LabelSize::Small)
2330                    .color(Color::Muted)
2331                    .truncate(true)
2332                    .when(is_file.is_none(), |this| {
2333                        this.icon(IconName::ArrowUpRight)
2334                            .icon_size(IconSize::XSmall)
2335                            .icon_color(Color::Muted)
2336                    })
2337                    .on_click(cx.listener({
2338                        let workspace = self.workspace.clone();
2339                        move |_, _, window, cx: &mut Context<Self>| {
2340                            Self::open_link(uri.clone(), &workspace, window, cx);
2341                        }
2342                    })),
2343            )
2344            .into_any_element()
2345    }
2346
2347    fn render_permission_buttons(
2348        &self,
2349        options: &[acp::PermissionOption],
2350        entry_ix: usize,
2351        tool_call_id: acp::ToolCallId,
2352        cx: &Context<Self>,
2353    ) -> Div {
2354        h_flex()
2355            .py_1()
2356            .pl_2()
2357            .pr_1()
2358            .gap_1()
2359            .justify_between()
2360            .flex_wrap()
2361            .border_t_1()
2362            .border_color(self.tool_card_border_color(cx))
2363            .child(
2364                div()
2365                    .min_w(rems_from_px(145.))
2366                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
2367            )
2368            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
2369                let option_id = SharedString::from(option.id.0.clone());
2370                Button::new((option_id, entry_ix), option.name.clone())
2371                    .map(|this| match option.kind {
2372                        acp::PermissionOptionKind::AllowOnce => {
2373                            this.icon(IconName::Check).icon_color(Color::Success)
2374                        }
2375                        acp::PermissionOptionKind::AllowAlways => {
2376                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
2377                        }
2378                        acp::PermissionOptionKind::RejectOnce => {
2379                            this.icon(IconName::Close).icon_color(Color::Error)
2380                        }
2381                        acp::PermissionOptionKind::RejectAlways => {
2382                            this.icon(IconName::Close).icon_color(Color::Error)
2383                        }
2384                    })
2385                    .icon_position(IconPosition::Start)
2386                    .icon_size(IconSize::XSmall)
2387                    .label_size(LabelSize::Small)
2388                    .on_click(cx.listener({
2389                        let tool_call_id = tool_call_id.clone();
2390                        let option_id = option.id.clone();
2391                        let option_kind = option.kind;
2392                        move |this, _, window, cx| {
2393                            this.authorize_tool_call(
2394                                tool_call_id.clone(),
2395                                option_id.clone(),
2396                                option_kind,
2397                                window,
2398                                cx,
2399                            );
2400                        }
2401                    }))
2402            })))
2403    }
2404
2405    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2406        let bar = |n: u64, width_class: &str| {
2407            let bg_color = cx.theme().colors().element_active;
2408            let base = h_flex().h_1().rounded_full();
2409
2410            let modified = match width_class {
2411                "w_4_5" => base.w_3_4(),
2412                "w_1_4" => base.w_1_4(),
2413                "w_2_4" => base.w_2_4(),
2414                "w_3_5" => base.w_3_5(),
2415                "w_2_5" => base.w_2_5(),
2416                _ => base.w_1_2(),
2417            };
2418
2419            modified.with_animation(
2420                ElementId::Integer(n),
2421                Animation::new(Duration::from_secs(2)).repeat(),
2422                move |tab, delta| {
2423                    let delta = (delta - 0.15 * n as f32) / 0.7;
2424                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2425                    let delta = ease_in_out(delta.clamp(0., 1.));
2426                    let delta = 0.1 + 0.9 * delta;
2427
2428                    tab.bg(bg_color.opacity(delta))
2429                },
2430            )
2431        };
2432
2433        v_flex()
2434            .p_3()
2435            .gap_1()
2436            .rounded_b_md()
2437            .bg(cx.theme().colors().editor_background)
2438            .child(bar(0, "w_4_5"))
2439            .child(bar(1, "w_1_4"))
2440            .child(bar(2, "w_2_4"))
2441            .child(bar(3, "w_3_5"))
2442            .child(bar(4, "w_2_5"))
2443            .into_any_element()
2444    }
2445
2446    fn render_diff_editor(
2447        &self,
2448        entry_ix: usize,
2449        diff: &Entity<acp_thread::Diff>,
2450        tool_call: &ToolCall,
2451        cx: &Context<Self>,
2452    ) -> AnyElement {
2453        let tool_progress = matches!(
2454            &tool_call.status,
2455            ToolCallStatus::InProgress | ToolCallStatus::Pending
2456        );
2457
2458        v_flex()
2459            .h_full()
2460            .border_t_1()
2461            .border_color(self.tool_card_border_color(cx))
2462            .child(
2463                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2464                    && let Some(editor) = entry.editor_for_diff(diff)
2465                    && diff.read(cx).has_revealed_range(cx)
2466                {
2467                    editor.into_any_element()
2468                } else if tool_progress && self.as_native_connection(cx).is_some() {
2469                    self.render_diff_loading(cx)
2470                } else {
2471                    Empty.into_any()
2472                },
2473            )
2474            .into_any()
2475    }
2476
2477    fn render_terminal_tool_call(
2478        &self,
2479        entry_ix: usize,
2480        terminal: &Entity<acp_thread::Terminal>,
2481        tool_call: &ToolCall,
2482        window: &Window,
2483        cx: &Context<Self>,
2484    ) -> AnyElement {
2485        let terminal_data = terminal.read(cx);
2486        let working_dir = terminal_data.working_dir();
2487        let command = terminal_data.command();
2488        let started_at = terminal_data.started_at();
2489
2490        let tool_failed = matches!(
2491            &tool_call.status,
2492            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2493        );
2494
2495        let output = terminal_data.output();
2496        let command_finished = output.is_some();
2497        let truncated_output =
2498            output.is_some_and(|output| output.original_content_len > output.content.len());
2499        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2500
2501        let command_failed = command_finished
2502            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2503
2504        let time_elapsed = if let Some(output) = output {
2505            output.ended_at.duration_since(started_at)
2506        } else {
2507            started_at.elapsed()
2508        };
2509
2510        let header_id =
2511            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2512        let header_group = SharedString::from(format!(
2513            "terminal-tool-header-group-{}",
2514            terminal.entity_id()
2515        ));
2516        let header_bg = cx
2517            .theme()
2518            .colors()
2519            .element_background
2520            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2521        let border_color = cx.theme().colors().border.opacity(0.6);
2522
2523        let working_dir = working_dir
2524            .as_ref()
2525            .map(|path| format!("{}", path.display()))
2526            .unwrap_or_else(|| "current directory".to_string());
2527
2528        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2529
2530        let header = h_flex()
2531            .id(header_id)
2532            .flex_none()
2533            .gap_1()
2534            .justify_between()
2535            .rounded_t_md()
2536            .child(
2537                div()
2538                    .id(("command-target-path", terminal.entity_id()))
2539                    .w_full()
2540                    .max_w_full()
2541                    .overflow_x_scroll()
2542                    .child(
2543                        Label::new(working_dir)
2544                            .buffer_font(cx)
2545                            .size(LabelSize::XSmall)
2546                            .color(Color::Muted),
2547                    ),
2548            )
2549            .when(!command_finished, |header| {
2550                header
2551                    .gap_1p5()
2552                    .child(
2553                        Button::new(
2554                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2555                            "Stop",
2556                        )
2557                        .icon(IconName::Stop)
2558                        .icon_position(IconPosition::Start)
2559                        .icon_size(IconSize::Small)
2560                        .icon_color(Color::Error)
2561                        .label_size(LabelSize::Small)
2562                        .tooltip(move |window, cx| {
2563                            Tooltip::with_meta(
2564                                "Stop This Command",
2565                                None,
2566                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2567                                window,
2568                                cx,
2569                            )
2570                        })
2571                        .on_click({
2572                            let terminal = terminal.clone();
2573                            cx.listener(move |_this, _event, _window, cx| {
2574                                let inner_terminal = terminal.read(cx).inner().clone();
2575                                inner_terminal.update(cx, |inner_terminal, _cx| {
2576                                    inner_terminal.kill_active_task();
2577                                });
2578                            })
2579                        }),
2580                    )
2581                    .child(Divider::vertical())
2582                    .child(
2583                        Icon::new(IconName::ArrowCircle)
2584                            .size(IconSize::XSmall)
2585                            .color(Color::Info)
2586                            .with_animation(
2587                                "arrow-circle",
2588                                Animation::new(Duration::from_secs(2)).repeat(),
2589                                |icon, delta| {
2590                                    icon.transform(Transformation::rotate(percentage(delta)))
2591                                },
2592                            ),
2593                    )
2594            })
2595            .child(
2596                Disclosure::new(
2597                    SharedString::from(format!(
2598                        "terminal-tool-disclosure-{}",
2599                        terminal.entity_id()
2600                    )),
2601                    is_expanded,
2602                )
2603                .opened_icon(IconName::ChevronUp)
2604                .closed_icon(IconName::ChevronDown)
2605                .visible_on_hover(&header_group)
2606                .on_click(cx.listener({
2607                    let id = tool_call.id.clone();
2608                    move |this, _event, _window, _cx| {
2609                        if is_expanded {
2610                            this.expanded_tool_calls.remove(&id);
2611                        } else {
2612                            this.expanded_tool_calls.insert(id.clone());
2613                        }
2614                    }
2615                })),
2616            )
2617            .when(truncated_output, |header| {
2618                let tooltip = if let Some(output) = output {
2619                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2620                       format!("Output exceeded terminal max lines and was \
2621                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2622                    } else {
2623                        format!(
2624                            "Output is {} long, and to avoid unexpected token usage, \
2625                                only {} was sent back to the agent.",
2626                            format_file_size(output.original_content_len as u64, true),
2627                             format_file_size(output.content.len() as u64, true)
2628                        )
2629                    }
2630                } else {
2631                    "Output was truncated".to_string()
2632                };
2633
2634                header.child(
2635                    h_flex()
2636                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2637                        .gap_1()
2638                        .child(
2639                            Icon::new(IconName::Info)
2640                                .size(IconSize::XSmall)
2641                                .color(Color::Ignored),
2642                        )
2643                        .child(
2644                            Label::new("Truncated")
2645                                .color(Color::Muted)
2646                                .size(LabelSize::XSmall),
2647                        )
2648                        .tooltip(Tooltip::text(tooltip)),
2649                )
2650            })
2651            .when(time_elapsed > Duration::from_secs(10), |header| {
2652                header.child(
2653                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2654                        .buffer_font(cx)
2655                        .color(Color::Muted)
2656                        .size(LabelSize::XSmall),
2657                )
2658            })
2659            .when(tool_failed || command_failed, |header| {
2660                header.child(
2661                    div()
2662                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2663                        .child(
2664                            Icon::new(IconName::Close)
2665                                .size(IconSize::Small)
2666                                .color(Color::Error),
2667                        )
2668                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2669                            this.tooltip(Tooltip::text(format!(
2670                                "Exited with code {}",
2671                                status.code().unwrap_or(-1),
2672                            )))
2673                        }),
2674                )
2675            });
2676
2677        let terminal_view = self
2678            .entry_view_state
2679            .read(cx)
2680            .entry(entry_ix)
2681            .and_then(|entry| entry.terminal(terminal));
2682        let show_output = is_expanded && terminal_view.is_some();
2683
2684        v_flex()
2685            .my_1p5()
2686            .mx_5()
2687            .border_1()
2688            .when(tool_failed || command_failed, |card| card.border_dashed())
2689            .border_color(border_color)
2690            .rounded_md()
2691            .overflow_hidden()
2692            .child(
2693                v_flex()
2694                    .group(&header_group)
2695                    .py_1p5()
2696                    .pr_1p5()
2697                    .pl_2()
2698                    .gap_0p5()
2699                    .bg(header_bg)
2700                    .text_xs()
2701                    .child(header)
2702                    .child(
2703                        MarkdownElement::new(
2704                            command.clone(),
2705                            terminal_command_markdown_style(window, cx),
2706                        )
2707                        .code_block_renderer(
2708                            markdown::CodeBlockRenderer::Default {
2709                                copy_button: false,
2710                                copy_button_on_hover: true,
2711                                border: false,
2712                            },
2713                        ),
2714                    ),
2715            )
2716            .when(show_output, |this| {
2717                this.child(
2718                    div()
2719                        .pt_2()
2720                        .border_t_1()
2721                        .when(tool_failed || command_failed, |card| card.border_dashed())
2722                        .border_color(border_color)
2723                        .bg(cx.theme().colors().editor_background)
2724                        .rounded_b_md()
2725                        .text_ui_sm(cx)
2726                        .h_full()
2727                        .children(terminal_view.map(|terminal_view| {
2728                            if terminal_view
2729                                .read(cx)
2730                                .content_mode(window, cx)
2731                                .is_scrollable()
2732                            {
2733                                div().h_72().child(terminal_view).into_any_element()
2734                            } else {
2735                                terminal_view.into_any_element()
2736                            }
2737                        })),
2738                )
2739            })
2740            .into_any()
2741    }
2742
2743    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2744        let project_context = self
2745            .as_native_thread(cx)?
2746            .read(cx)
2747            .project_context()
2748            .read(cx);
2749
2750        let user_rules_text = if project_context.user_rules.is_empty() {
2751            None
2752        } else if project_context.user_rules.len() == 1 {
2753            let user_rules = &project_context.user_rules[0];
2754
2755            match user_rules.title.as_ref() {
2756                Some(title) => Some(format!("Using \"{title}\" user rule")),
2757                None => Some("Using user rule".into()),
2758            }
2759        } else {
2760            Some(format!(
2761                "Using {} user rules",
2762                project_context.user_rules.len()
2763            ))
2764        };
2765
2766        let first_user_rules_id = project_context
2767            .user_rules
2768            .first()
2769            .map(|user_rules| user_rules.uuid.0);
2770
2771        let rules_files = project_context
2772            .worktrees
2773            .iter()
2774            .filter_map(|worktree| worktree.rules_file.as_ref())
2775            .collect::<Vec<_>>();
2776
2777        let rules_file_text = match rules_files.as_slice() {
2778            &[] => None,
2779            &[rules_file] => Some(format!(
2780                "Using project {:?} file",
2781                rules_file.path_in_worktree
2782            )),
2783            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2784        };
2785
2786        if user_rules_text.is_none() && rules_file_text.is_none() {
2787            return None;
2788        }
2789
2790        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2791
2792        Some(
2793            h_flex()
2794                .px_2p5()
2795                .child(
2796                    Icon::new(IconName::Attach)
2797                        .size(IconSize::XSmall)
2798                        .color(Color::Disabled),
2799                )
2800                .when_some(user_rules_text, |parent, user_rules_text| {
2801                    parent.child(
2802                        h_flex()
2803                            .id("user-rules")
2804                            .ml_1()
2805                            .mr_1p5()
2806                            .child(
2807                                Label::new(user_rules_text)
2808                                    .size(LabelSize::XSmall)
2809                                    .color(Color::Muted)
2810                                    .truncate(),
2811                            )
2812                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2813                            .tooltip(Tooltip::text("View User Rules"))
2814                            .on_click(move |_event, window, cx| {
2815                                window.dispatch_action(
2816                                    Box::new(OpenRulesLibrary {
2817                                        prompt_to_select: first_user_rules_id,
2818                                    }),
2819                                    cx,
2820                                )
2821                            }),
2822                    )
2823                })
2824                .when(has_both, |this| {
2825                    this.child(
2826                        Label::new("")
2827                            .size(LabelSize::XSmall)
2828                            .color(Color::Disabled),
2829                    )
2830                })
2831                .when_some(rules_file_text, |parent, rules_file_text| {
2832                    parent.child(
2833                        h_flex()
2834                            .id("project-rules")
2835                            .ml_1p5()
2836                            .child(
2837                                Label::new(rules_file_text)
2838                                    .size(LabelSize::XSmall)
2839                                    .color(Color::Muted),
2840                            )
2841                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2842                            .tooltip(Tooltip::text("View Project Rules"))
2843                            .on_click(cx.listener(Self::handle_open_rules)),
2844                    )
2845                })
2846                .into_any(),
2847        )
2848    }
2849
2850    fn render_empty_state_section_header(
2851        &self,
2852        label: impl Into<SharedString>,
2853        action_slot: Option<AnyElement>,
2854        cx: &mut Context<Self>,
2855    ) -> impl IntoElement {
2856        div().pl_1().pr_1p5().child(
2857            h_flex()
2858                .mt_2()
2859                .pl_1p5()
2860                .pb_1()
2861                .w_full()
2862                .justify_between()
2863                .border_b_1()
2864                .border_color(cx.theme().colors().border_variant)
2865                .child(
2866                    Label::new(label.into())
2867                        .size(LabelSize::Small)
2868                        .color(Color::Muted),
2869                )
2870                .children(action_slot),
2871        )
2872    }
2873
2874    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2875        let render_history = self
2876            .agent
2877            .clone()
2878            .downcast::<agent2::NativeAgentServer>()
2879            .is_some()
2880            && self
2881                .history_store
2882                .update(cx, |history_store, cx| !history_store.is_empty(cx));
2883
2884        v_flex()
2885            .size_full()
2886            .when(render_history, |this| {
2887                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
2888                    history_store.entries().take(3).collect()
2889                });
2890                this.justify_end().child(
2891                    v_flex()
2892                        .child(
2893                            self.render_empty_state_section_header(
2894                                "Recent",
2895                                Some(
2896                                    Button::new("view-history", "View All")
2897                                        .style(ButtonStyle::Subtle)
2898                                        .label_size(LabelSize::Small)
2899                                        .key_binding(
2900                                            KeyBinding::for_action_in(
2901                                                &OpenHistory,
2902                                                &self.focus_handle(cx),
2903                                                window,
2904                                                cx,
2905                                            )
2906                                            .map(|kb| kb.size(rems_from_px(12.))),
2907                                        )
2908                                        .on_click(move |_event, window, cx| {
2909                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2910                                        })
2911                                        .into_any_element(),
2912                                ),
2913                                cx,
2914                            ),
2915                        )
2916                        .child(
2917                            v_flex().p_1().pr_1p5().gap_1().children(
2918                                recent_history
2919                                    .into_iter()
2920                                    .enumerate()
2921                                    .map(|(index, entry)| {
2922                                        // TODO: Add keyboard navigation.
2923                                        let is_hovered =
2924                                            self.hovered_recent_history_item == Some(index);
2925                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2926                                            entry,
2927                                            cx.entity().downgrade(),
2928                                        )
2929                                        .hovered(is_hovered)
2930                                        .on_hover(cx.listener(
2931                                            move |this, is_hovered, _window, cx| {
2932                                                if *is_hovered {
2933                                                    this.hovered_recent_history_item = Some(index);
2934                                                } else if this.hovered_recent_history_item
2935                                                    == Some(index)
2936                                                {
2937                                                    this.hovered_recent_history_item = None;
2938                                                }
2939                                                cx.notify();
2940                                            },
2941                                        ))
2942                                        .into_any_element()
2943                                    }),
2944                            ),
2945                        ),
2946                )
2947            })
2948            .into_any()
2949    }
2950
2951    fn render_auth_required_state(
2952        &self,
2953        connection: &Rc<dyn AgentConnection>,
2954        description: Option<&Entity<Markdown>>,
2955        configuration_view: Option<&AnyView>,
2956        pending_auth_method: Option<&acp::AuthMethodId>,
2957        window: &mut Window,
2958        cx: &Context<Self>,
2959    ) -> Div {
2960        let show_description =
2961            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
2962
2963        v_flex().flex_1().size_full().justify_end().child(
2964            v_flex()
2965                .p_2()
2966                .pr_3()
2967                .w_full()
2968                .gap_1()
2969                .border_t_1()
2970                .border_color(cx.theme().colors().border)
2971                .bg(cx.theme().status().warning.opacity(0.04))
2972                .child(
2973                    h_flex()
2974                        .gap_1p5()
2975                        .child(
2976                            Icon::new(IconName::Warning)
2977                                .color(Color::Warning)
2978                                .size(IconSize::Small),
2979                        )
2980                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
2981                )
2982                .children(description.map(|desc| {
2983                    div().text_ui(cx).child(self.render_markdown(
2984                        desc.clone(),
2985                        default_markdown_style(false, false, window, cx),
2986                    ))
2987                }))
2988                .children(
2989                    configuration_view
2990                        .cloned()
2991                        .map(|view| div().w_full().child(view)),
2992                )
2993                .when(
2994                    show_description,
2995                    |el| {
2996                        el.child(
2997                            Label::new(format!(
2998                                "You are not currently authenticated with {}. Please choose one of the following options:",
2999                                self.agent.name()
3000                            ))
3001                            .size(LabelSize::Small)
3002                            .color(Color::Muted)
3003                            .mb_1()
3004                            .ml_5(),
3005                        )
3006                    },
3007                )
3008                .when_some(pending_auth_method, |el, _| {
3009                    el.child(
3010                        h_flex()
3011                            .py_4()
3012                            .w_full()
3013                            .justify_center()
3014                            .gap_1()
3015                            .child(
3016                                Icon::new(IconName::ArrowCircle)
3017                                    .size(IconSize::Small)
3018                                    .color(Color::Muted)
3019                                    .with_animation(
3020                                        "arrow-circle",
3021                                        Animation::new(Duration::from_secs(2)).repeat(),
3022                                        |icon, delta| {
3023                                            icon.transform(Transformation::rotate(percentage(
3024                                                delta,
3025                                            )))
3026                                        },
3027                                    )
3028                                    .into_any_element(),
3029                            )
3030                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3031                    )
3032                })
3033                .when(!connection.auth_methods().is_empty(), |this| {
3034                    this.child(
3035                        h_flex()
3036                            .justify_end()
3037                            .flex_wrap()
3038                            .gap_1()
3039                            .when(!show_description, |this| {
3040                                this.border_t_1()
3041                                    .mt_1()
3042                                    .pt_2()
3043                                    .border_color(cx.theme().colors().border.opacity(0.8))
3044                            })
3045                            .children(
3046                                connection
3047                                    .auth_methods()
3048                                    .iter()
3049                                    .enumerate()
3050                                    .rev()
3051                                    .map(|(ix, method)| {
3052                                        Button::new(
3053                                            SharedString::from(method.id.0.clone()),
3054                                            method.name.clone(),
3055                                        )
3056                                        .when(ix == 0, |el| {
3057                                            el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
3058                                        })
3059                                        .label_size(LabelSize::Small)
3060                                        .on_click({
3061                                            let method_id = method.id.clone();
3062                                            cx.listener(move |this, _, window, cx| {
3063                                                telemetry::event!(
3064                                                    "Authenticate Agent Started",
3065                                                    agent = this.agent.telemetry_id(),
3066                                                    method = method_id
3067                                                );
3068
3069                                                this.authenticate(method_id.clone(), window, cx)
3070                                            })
3071                                        })
3072                                    }),
3073                            ),
3074                    )
3075                })
3076
3077        )
3078    }
3079
3080    fn render_load_error(
3081        &self,
3082        e: &LoadError,
3083        window: &mut Window,
3084        cx: &mut Context<Self>,
3085    ) -> AnyElement {
3086        let (title, message, action_slot): (_, SharedString, _) = match e {
3087            LoadError::Unsupported {
3088                command: path,
3089                current_version,
3090                minimum_version,
3091            } => {
3092                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3093            }
3094            LoadError::FailedToInstall(msg) => (
3095                "Failed to Install",
3096                msg.into(),
3097                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3098            ),
3099            LoadError::Exited { status } => (
3100                "Failed to Launch",
3101                format!("Server exited with status {status}").into(),
3102                None,
3103            ),
3104            LoadError::Other(msg) => (
3105                "Failed to Launch",
3106                msg.into(),
3107                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3108            ),
3109        };
3110
3111        Callout::new()
3112            .severity(Severity::Error)
3113            .icon(IconName::XCircleFilled)
3114            .title(title)
3115            .description(message)
3116            .actions_slot(div().children(action_slot))
3117            .into_any_element()
3118    }
3119
3120    fn render_unsupported(
3121        &self,
3122        path: &SharedString,
3123        version: &SharedString,
3124        minimum_version: &SharedString,
3125        _window: &mut Window,
3126        cx: &mut Context<Self>,
3127    ) -> AnyElement {
3128        let (heading_label, description_label) = (
3129            format!("Upgrade {} to work with Zed", self.agent.name()),
3130            if version.is_empty() {
3131                format!(
3132                    "Currently using {}, which does not report a valid --version",
3133                    path,
3134                )
3135            } else {
3136                format!(
3137                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3138                    path, version
3139                )
3140            },
3141        );
3142
3143        v_flex()
3144            .w_full()
3145            .p_3p5()
3146            .gap_2p5()
3147            .border_t_1()
3148            .border_color(cx.theme().colors().border)
3149            .bg(linear_gradient(
3150                180.,
3151                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3152                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3153            ))
3154            .child(
3155                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3156                    Label::new(description_label)
3157                        .size(LabelSize::Small)
3158                        .color(Color::Muted),
3159                ),
3160            )
3161            .into_any_element()
3162    }
3163
3164    fn render_activity_bar(
3165        &self,
3166        thread_entity: &Entity<AcpThread>,
3167        window: &mut Window,
3168        cx: &Context<Self>,
3169    ) -> Option<AnyElement> {
3170        let thread = thread_entity.read(cx);
3171        let action_log = thread.action_log();
3172        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3173        let plan = thread.plan();
3174
3175        if changed_buffers.is_empty() && plan.is_empty() {
3176            return None;
3177        }
3178
3179        let editor_bg_color = cx.theme().colors().editor_background;
3180        let active_color = cx.theme().colors().element_selected;
3181        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
3182
3183        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3184        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3185        // be, which blocks you from being able to accept or reject edits. This switches the
3186        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3187        // block you from using the panel.
3188        let pending_edits = false;
3189
3190        v_flex()
3191            .mt_1()
3192            .mx_2()
3193            .bg(bg_edit_files_disclosure)
3194            .border_1()
3195            .border_b_0()
3196            .border_color(cx.theme().colors().border)
3197            .rounded_t_md()
3198            .shadow(vec![gpui::BoxShadow {
3199                color: gpui::black().opacity(0.15),
3200                offset: point(px(1.), px(-1.)),
3201                blur_radius: px(3.),
3202                spread_radius: px(0.),
3203            }])
3204            .when(!plan.is_empty(), |this| {
3205                this.child(self.render_plan_summary(plan, window, cx))
3206                    .when(self.plan_expanded, |parent| {
3207                        parent.child(self.render_plan_entries(plan, window, cx))
3208                    })
3209            })
3210            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3211                this.child(Divider::horizontal().color(DividerColor::Border))
3212            })
3213            .when(!changed_buffers.is_empty(), |this| {
3214                this.child(self.render_edits_summary(
3215                    &changed_buffers,
3216                    self.edits_expanded,
3217                    pending_edits,
3218                    window,
3219                    cx,
3220                ))
3221                .when(self.edits_expanded, |parent| {
3222                    parent.child(self.render_edited_files(
3223                        action_log,
3224                        &changed_buffers,
3225                        pending_edits,
3226                        cx,
3227                    ))
3228                })
3229            })
3230            .into_any()
3231            .into()
3232    }
3233
3234    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3235        let stats = plan.stats();
3236
3237        let title = if let Some(entry) = stats.in_progress_entry
3238            && !self.plan_expanded
3239        {
3240            h_flex()
3241                .w_full()
3242                .cursor_default()
3243                .gap_1()
3244                .text_xs()
3245                .text_color(cx.theme().colors().text_muted)
3246                .justify_between()
3247                .child(
3248                    h_flex()
3249                        .gap_1()
3250                        .child(
3251                            Label::new("Current:")
3252                                .size(LabelSize::Small)
3253                                .color(Color::Muted),
3254                        )
3255                        .child(MarkdownElement::new(
3256                            entry.content.clone(),
3257                            plan_label_markdown_style(&entry.status, window, cx),
3258                        )),
3259                )
3260                .when(stats.pending > 0, |this| {
3261                    this.child(
3262                        Label::new(format!("{} left", stats.pending))
3263                            .size(LabelSize::Small)
3264                            .color(Color::Muted)
3265                            .mr_1(),
3266                    )
3267                })
3268        } else {
3269            let status_label = if stats.pending == 0 {
3270                "All Done".to_string()
3271            } else if stats.completed == 0 {
3272                format!("{} Tasks", plan.entries.len())
3273            } else {
3274                format!("{}/{}", stats.completed, plan.entries.len())
3275            };
3276
3277            h_flex()
3278                .w_full()
3279                .gap_1()
3280                .justify_between()
3281                .child(
3282                    Label::new("Plan")
3283                        .size(LabelSize::Small)
3284                        .color(Color::Muted),
3285                )
3286                .child(
3287                    Label::new(status_label)
3288                        .size(LabelSize::Small)
3289                        .color(Color::Muted)
3290                        .mr_1(),
3291                )
3292        };
3293
3294        h_flex()
3295            .p_1()
3296            .justify_between()
3297            .when(self.plan_expanded, |this| {
3298                this.border_b_1().border_color(cx.theme().colors().border)
3299            })
3300            .child(
3301                h_flex()
3302                    .id("plan_summary")
3303                    .w_full()
3304                    .gap_1()
3305                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3306                    .child(title)
3307                    .on_click(cx.listener(|this, _, _, cx| {
3308                        this.plan_expanded = !this.plan_expanded;
3309                        cx.notify();
3310                    })),
3311            )
3312    }
3313
3314    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3315        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3316            let element = h_flex()
3317                .py_1()
3318                .px_2()
3319                .gap_2()
3320                .justify_between()
3321                .bg(cx.theme().colors().editor_background)
3322                .when(index < plan.entries.len() - 1, |parent| {
3323                    parent.border_color(cx.theme().colors().border).border_b_1()
3324                })
3325                .child(
3326                    h_flex()
3327                        .id(("plan_entry", index))
3328                        .gap_1p5()
3329                        .max_w_full()
3330                        .overflow_x_scroll()
3331                        .text_xs()
3332                        .text_color(cx.theme().colors().text_muted)
3333                        .child(match entry.status {
3334                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3335                                .size(IconSize::Small)
3336                                .color(Color::Muted)
3337                                .into_any_element(),
3338                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3339                                .size(IconSize::Small)
3340                                .color(Color::Accent)
3341                                .with_animation(
3342                                    "running",
3343                                    Animation::new(Duration::from_secs(2)).repeat(),
3344                                    |icon, delta| {
3345                                        icon.transform(Transformation::rotate(percentage(delta)))
3346                                    },
3347                                )
3348                                .into_any_element(),
3349                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3350                                .size(IconSize::Small)
3351                                .color(Color::Success)
3352                                .into_any_element(),
3353                        })
3354                        .child(MarkdownElement::new(
3355                            entry.content.clone(),
3356                            plan_label_markdown_style(&entry.status, window, cx),
3357                        )),
3358                );
3359
3360            Some(element)
3361        }))
3362    }
3363
3364    fn render_edits_summary(
3365        &self,
3366        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3367        expanded: bool,
3368        pending_edits: bool,
3369        window: &mut Window,
3370        cx: &Context<Self>,
3371    ) -> Div {
3372        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3373
3374        let focus_handle = self.focus_handle(cx);
3375
3376        h_flex()
3377            .p_1()
3378            .justify_between()
3379            .flex_wrap()
3380            .when(expanded, |this| {
3381                this.border_b_1().border_color(cx.theme().colors().border)
3382            })
3383            .child(
3384                h_flex()
3385                    .id("edits-container")
3386                    .gap_1()
3387                    .child(Disclosure::new("edits-disclosure", expanded))
3388                    .map(|this| {
3389                        if pending_edits {
3390                            this.child(
3391                                Label::new(format!(
3392                                    "Editing {} {}",
3393                                    changed_buffers.len(),
3394                                    if changed_buffers.len() == 1 {
3395                                        "file"
3396                                    } else {
3397                                        "files"
3398                                    }
3399                                ))
3400                                .color(Color::Muted)
3401                                .size(LabelSize::Small)
3402                                .with_animation(
3403                                    "edit-label",
3404                                    Animation::new(Duration::from_secs(2))
3405                                        .repeat()
3406                                        .with_easing(pulsating_between(0.3, 0.7)),
3407                                    |label, delta| label.alpha(delta),
3408                                ),
3409                            )
3410                        } else {
3411                            this.child(
3412                                Label::new("Edits")
3413                                    .size(LabelSize::Small)
3414                                    .color(Color::Muted),
3415                            )
3416                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3417                            .child(
3418                                Label::new(format!(
3419                                    "{} {}",
3420                                    changed_buffers.len(),
3421                                    if changed_buffers.len() == 1 {
3422                                        "file"
3423                                    } else {
3424                                        "files"
3425                                    }
3426                                ))
3427                                .size(LabelSize::Small)
3428                                .color(Color::Muted),
3429                            )
3430                        }
3431                    })
3432                    .on_click(cx.listener(|this, _, _, cx| {
3433                        this.edits_expanded = !this.edits_expanded;
3434                        cx.notify();
3435                    })),
3436            )
3437            .child(
3438                h_flex()
3439                    .gap_1()
3440                    .child(
3441                        IconButton::new("review-changes", IconName::ListTodo)
3442                            .icon_size(IconSize::Small)
3443                            .tooltip({
3444                                let focus_handle = focus_handle.clone();
3445                                move |window, cx| {
3446                                    Tooltip::for_action_in(
3447                                        "Review Changes",
3448                                        &OpenAgentDiff,
3449                                        &focus_handle,
3450                                        window,
3451                                        cx,
3452                                    )
3453                                }
3454                            })
3455                            .on_click(cx.listener(|_, _, window, cx| {
3456                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3457                            })),
3458                    )
3459                    .child(Divider::vertical().color(DividerColor::Border))
3460                    .child(
3461                        Button::new("reject-all-changes", "Reject All")
3462                            .label_size(LabelSize::Small)
3463                            .disabled(pending_edits)
3464                            .when(pending_edits, |this| {
3465                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3466                            })
3467                            .key_binding(
3468                                KeyBinding::for_action_in(
3469                                    &RejectAll,
3470                                    &focus_handle.clone(),
3471                                    window,
3472                                    cx,
3473                                )
3474                                .map(|kb| kb.size(rems_from_px(10.))),
3475                            )
3476                            .on_click(cx.listener(move |this, _, window, cx| {
3477                                this.reject_all(&RejectAll, window, cx);
3478                            })),
3479                    )
3480                    .child(
3481                        Button::new("keep-all-changes", "Keep All")
3482                            .label_size(LabelSize::Small)
3483                            .disabled(pending_edits)
3484                            .when(pending_edits, |this| {
3485                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3486                            })
3487                            .key_binding(
3488                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3489                                    .map(|kb| kb.size(rems_from_px(10.))),
3490                            )
3491                            .on_click(cx.listener(move |this, _, window, cx| {
3492                                this.keep_all(&KeepAll, window, cx);
3493                            })),
3494                    ),
3495            )
3496    }
3497
3498    fn render_edited_files(
3499        &self,
3500        action_log: &Entity<ActionLog>,
3501        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3502        pending_edits: bool,
3503        cx: &Context<Self>,
3504    ) -> Div {
3505        let editor_bg_color = cx.theme().colors().editor_background;
3506
3507        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3508            |(index, (buffer, _diff))| {
3509                let file = buffer.read(cx).file()?;
3510                let path = file.path();
3511
3512                let file_path = path.parent().and_then(|parent| {
3513                    let parent_str = parent.to_string_lossy();
3514
3515                    if parent_str.is_empty() {
3516                        None
3517                    } else {
3518                        Some(
3519                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3520                                .color(Color::Muted)
3521                                .size(LabelSize::XSmall)
3522                                .buffer_font(cx),
3523                        )
3524                    }
3525                });
3526
3527                let file_name = path.file_name().map(|name| {
3528                    Label::new(name.to_string_lossy().to_string())
3529                        .size(LabelSize::XSmall)
3530                        .buffer_font(cx)
3531                });
3532
3533                let file_icon = FileIcons::get_icon(path, cx)
3534                    .map(Icon::from_path)
3535                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3536                    .unwrap_or_else(|| {
3537                        Icon::new(IconName::File)
3538                            .color(Color::Muted)
3539                            .size(IconSize::Small)
3540                    });
3541
3542                let overlay_gradient = linear_gradient(
3543                    90.,
3544                    linear_color_stop(editor_bg_color, 1.),
3545                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3546                );
3547
3548                let element = h_flex()
3549                    .group("edited-code")
3550                    .id(("file-container", index))
3551                    .py_1()
3552                    .pl_2()
3553                    .pr_1()
3554                    .gap_2()
3555                    .justify_between()
3556                    .bg(editor_bg_color)
3557                    .when(index < changed_buffers.len() - 1, |parent| {
3558                        parent.border_color(cx.theme().colors().border).border_b_1()
3559                    })
3560                    .child(
3561                        h_flex()
3562                            .relative()
3563                            .id(("file-name", index))
3564                            .pr_8()
3565                            .gap_1p5()
3566                            .max_w_full()
3567                            .overflow_x_scroll()
3568                            .child(file_icon)
3569                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3570                            .child(
3571                                div()
3572                                    .absolute()
3573                                    .h_full()
3574                                    .w_12()
3575                                    .top_0()
3576                                    .bottom_0()
3577                                    .right_0()
3578                                    .bg(overlay_gradient),
3579                            )
3580                            .on_click({
3581                                let buffer = buffer.clone();
3582                                cx.listener(move |this, _, window, cx| {
3583                                    this.open_edited_buffer(&buffer, window, cx);
3584                                })
3585                            }),
3586                    )
3587                    .child(
3588                        h_flex()
3589                            .gap_1()
3590                            .visible_on_hover("edited-code")
3591                            .child(
3592                                Button::new("review", "Review")
3593                                    .label_size(LabelSize::Small)
3594                                    .on_click({
3595                                        let buffer = buffer.clone();
3596                                        cx.listener(move |this, _, window, cx| {
3597                                            this.open_edited_buffer(&buffer, window, cx);
3598                                        })
3599                                    }),
3600                            )
3601                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3602                            .child(
3603                                Button::new("reject-file", "Reject")
3604                                    .label_size(LabelSize::Small)
3605                                    .disabled(pending_edits)
3606                                    .on_click({
3607                                        let buffer = buffer.clone();
3608                                        let action_log = action_log.clone();
3609                                        move |_, _, cx| {
3610                                            action_log.update(cx, |action_log, cx| {
3611                                                action_log
3612                                                    .reject_edits_in_ranges(
3613                                                        buffer.clone(),
3614                                                        vec![Anchor::MIN..Anchor::MAX],
3615                                                        cx,
3616                                                    )
3617                                                    .detach_and_log_err(cx);
3618                                            })
3619                                        }
3620                                    }),
3621                            )
3622                            .child(
3623                                Button::new("keep-file", "Keep")
3624                                    .label_size(LabelSize::Small)
3625                                    .disabled(pending_edits)
3626                                    .on_click({
3627                                        let buffer = buffer.clone();
3628                                        let action_log = action_log.clone();
3629                                        move |_, _, cx| {
3630                                            action_log.update(cx, |action_log, cx| {
3631                                                action_log.keep_edits_in_range(
3632                                                    buffer.clone(),
3633                                                    Anchor::MIN..Anchor::MAX,
3634                                                    cx,
3635                                                );
3636                                            })
3637                                        }
3638                                    }),
3639                            ),
3640                    );
3641
3642                Some(element)
3643            },
3644        ))
3645    }
3646
3647    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3648        let focus_handle = self.message_editor.focus_handle(cx);
3649        let editor_bg_color = cx.theme().colors().editor_background;
3650        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3651            (IconName::Minimize, "Minimize Message Editor")
3652        } else {
3653            (IconName::Maximize, "Expand Message Editor")
3654        };
3655
3656        let backdrop = div()
3657            .size_full()
3658            .absolute()
3659            .inset_0()
3660            .bg(cx.theme().colors().panel_background)
3661            .opacity(0.8)
3662            .block_mouse_except_scroll();
3663
3664        let enable_editor = match self.thread_state {
3665            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3666            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3667        };
3668
3669        v_flex()
3670            .on_action(cx.listener(Self::expand_message_editor))
3671            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3672                if let Some(profile_selector) = this.profile_selector.as_ref() {
3673                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3674                }
3675            }))
3676            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3677                if let Some(model_selector) = this.model_selector.as_ref() {
3678                    model_selector
3679                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3680                }
3681            }))
3682            .p_2()
3683            .gap_2()
3684            .border_t_1()
3685            .border_color(cx.theme().colors().border)
3686            .bg(editor_bg_color)
3687            .when(self.editor_expanded, |this| {
3688                this.h(vh(0.8, window)).size_full().justify_between()
3689            })
3690            .child(
3691                v_flex()
3692                    .relative()
3693                    .size_full()
3694                    .pt_1()
3695                    .pr_2p5()
3696                    .child(self.message_editor.clone())
3697                    .child(
3698                        h_flex()
3699                            .absolute()
3700                            .top_0()
3701                            .right_0()
3702                            .opacity(0.5)
3703                            .hover(|this| this.opacity(1.0))
3704                            .child(
3705                                IconButton::new("toggle-height", expand_icon)
3706                                    .icon_size(IconSize::Small)
3707                                    .icon_color(Color::Muted)
3708                                    .tooltip({
3709                                        move |window, cx| {
3710                                            Tooltip::for_action_in(
3711                                                expand_tooltip,
3712                                                &ExpandMessageEditor,
3713                                                &focus_handle,
3714                                                window,
3715                                                cx,
3716                                            )
3717                                        }
3718                                    })
3719                                    .on_click(cx.listener(|_, _, window, cx| {
3720                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3721                                    })),
3722                            ),
3723                    ),
3724            )
3725            .child(
3726                h_flex()
3727                    .flex_none()
3728                    .flex_wrap()
3729                    .justify_between()
3730                    .child(
3731                        h_flex()
3732                            .child(self.render_follow_toggle(cx))
3733                            .children(self.render_burn_mode_toggle(cx)),
3734                    )
3735                    .child(
3736                        h_flex()
3737                            .gap_1()
3738                            .children(self.render_token_usage(cx))
3739                            .children(self.profile_selector.clone())
3740                            .children(self.model_selector.clone())
3741                            .child(self.render_send_button(cx)),
3742                    ),
3743            )
3744            .when(!enable_editor, |this| this.child(backdrop))
3745            .into_any()
3746    }
3747
3748    pub(crate) fn as_native_connection(
3749        &self,
3750        cx: &App,
3751    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3752        let acp_thread = self.thread()?.read(cx);
3753        acp_thread.connection().clone().downcast()
3754    }
3755
3756    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3757        let acp_thread = self.thread()?.read(cx);
3758        self.as_native_connection(cx)?
3759            .thread(acp_thread.session_id(), cx)
3760    }
3761
3762    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3763        self.as_native_thread(cx)
3764            .and_then(|thread| thread.read(cx).model())
3765            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3766    }
3767
3768    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3769        let thread = self.thread()?.read(cx);
3770        let usage = thread.token_usage()?;
3771        let is_generating = thread.status() != ThreadStatus::Idle;
3772
3773        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3774        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3775
3776        Some(
3777            h_flex()
3778                .flex_shrink_0()
3779                .gap_0p5()
3780                .mr_1p5()
3781                .child(
3782                    Label::new(used)
3783                        .size(LabelSize::Small)
3784                        .color(Color::Muted)
3785                        .map(|label| {
3786                            if is_generating {
3787                                label
3788                                    .with_animation(
3789                                        "used-tokens-label",
3790                                        Animation::new(Duration::from_secs(2))
3791                                            .repeat()
3792                                            .with_easing(pulsating_between(0.3, 0.8)),
3793                                        |label, delta| label.alpha(delta),
3794                                    )
3795                                    .into_any()
3796                            } else {
3797                                label.into_any_element()
3798                            }
3799                        }),
3800                )
3801                .child(
3802                    Label::new("/")
3803                        .size(LabelSize::Small)
3804                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3805                )
3806                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3807        )
3808    }
3809
3810    fn toggle_burn_mode(
3811        &mut self,
3812        _: &ToggleBurnMode,
3813        _window: &mut Window,
3814        cx: &mut Context<Self>,
3815    ) {
3816        let Some(thread) = self.as_native_thread(cx) else {
3817            return;
3818        };
3819
3820        thread.update(cx, |thread, cx| {
3821            let current_mode = thread.completion_mode();
3822            thread.set_completion_mode(
3823                match current_mode {
3824                    CompletionMode::Burn => CompletionMode::Normal,
3825                    CompletionMode::Normal => CompletionMode::Burn,
3826                },
3827                cx,
3828            );
3829        });
3830    }
3831
3832    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3833        let Some(thread) = self.thread() else {
3834            return;
3835        };
3836        let action_log = thread.read(cx).action_log().clone();
3837        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3838    }
3839
3840    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3841        let Some(thread) = self.thread() else {
3842            return;
3843        };
3844        let action_log = thread.read(cx).action_log().clone();
3845        action_log
3846            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3847            .detach();
3848    }
3849
3850    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3851        let thread = self.as_native_thread(cx)?.read(cx);
3852
3853        if thread
3854            .model()
3855            .is_none_or(|model| !model.supports_burn_mode())
3856        {
3857            return None;
3858        }
3859
3860        let active_completion_mode = thread.completion_mode();
3861        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3862        let icon = if burn_mode_enabled {
3863            IconName::ZedBurnModeOn
3864        } else {
3865            IconName::ZedBurnMode
3866        };
3867
3868        Some(
3869            IconButton::new("burn-mode", icon)
3870                .icon_size(IconSize::Small)
3871                .icon_color(Color::Muted)
3872                .toggle_state(burn_mode_enabled)
3873                .selected_icon_color(Color::Error)
3874                .on_click(cx.listener(|this, _event, window, cx| {
3875                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3876                }))
3877                .tooltip(move |_window, cx| {
3878                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3879                        .into()
3880                })
3881                .into_any_element(),
3882        )
3883    }
3884
3885    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3886        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3887        let is_generating = self
3888            .thread()
3889            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3890
3891        if self.is_loading_contents {
3892            div()
3893                .id("loading-message-content")
3894                .px_1()
3895                .tooltip(Tooltip::text("Loading Added Context…"))
3896                .child(loading_contents_spinner(IconSize::default()))
3897                .into_any_element()
3898        } else if is_generating && is_editor_empty {
3899            IconButton::new("stop-generation", IconName::Stop)
3900                .icon_color(Color::Error)
3901                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3902                .tooltip(move |window, cx| {
3903                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3904                })
3905                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3906                .into_any_element()
3907        } else {
3908            let send_btn_tooltip = if is_editor_empty && !is_generating {
3909                "Type to Send"
3910            } else if is_generating {
3911                "Stop and Send Message"
3912            } else {
3913                "Send"
3914            };
3915
3916            IconButton::new("send-message", IconName::Send)
3917                .style(ButtonStyle::Filled)
3918                .map(|this| {
3919                    if is_editor_empty && !is_generating {
3920                        this.disabled(true).icon_color(Color::Muted)
3921                    } else {
3922                        this.icon_color(Color::Accent)
3923                    }
3924                })
3925                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3926                .on_click(cx.listener(|this, _, window, cx| {
3927                    this.send(window, cx);
3928                }))
3929                .into_any_element()
3930        }
3931    }
3932
3933    fn is_following(&self, cx: &App) -> bool {
3934        match self.thread().map(|thread| thread.read(cx).status()) {
3935            Some(ThreadStatus::Generating) => self
3936                .workspace
3937                .read_with(cx, |workspace, _| {
3938                    workspace.is_being_followed(CollaboratorId::Agent)
3939                })
3940                .unwrap_or(false),
3941            _ => self.should_be_following,
3942        }
3943    }
3944
3945    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3946        let following = self.is_following(cx);
3947
3948        self.should_be_following = !following;
3949        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
3950            self.workspace
3951                .update(cx, |workspace, cx| {
3952                    if following {
3953                        workspace.unfollow(CollaboratorId::Agent, window, cx);
3954                    } else {
3955                        workspace.follow(CollaboratorId::Agent, window, cx);
3956                    }
3957                })
3958                .ok();
3959        }
3960
3961        telemetry::event!("Follow Agent Selected", following = !following);
3962    }
3963
3964    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3965        let following = self.is_following(cx);
3966
3967        let tooltip_label = if following {
3968            if self.agent.name() == "Zed Agent" {
3969                format!("Stop Following the {}", self.agent.name())
3970            } else {
3971                format!("Stop Following {}", self.agent.name())
3972            }
3973        } else {
3974            if self.agent.name() == "Zed Agent" {
3975                format!("Follow the {}", self.agent.name())
3976            } else {
3977                format!("Follow {}", self.agent.name())
3978            }
3979        };
3980
3981        IconButton::new("follow-agent", IconName::Crosshair)
3982            .icon_size(IconSize::Small)
3983            .icon_color(Color::Muted)
3984            .toggle_state(following)
3985            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3986            .tooltip(move |window, cx| {
3987                if following {
3988                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
3989                } else {
3990                    Tooltip::with_meta(
3991                        tooltip_label.clone(),
3992                        Some(&Follow),
3993                        "Track the agent's location as it reads and edits files.",
3994                        window,
3995                        cx,
3996                    )
3997                }
3998            })
3999            .on_click(cx.listener(move |this, _, window, cx| {
4000                this.toggle_following(window, cx);
4001            }))
4002    }
4003
4004    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4005        let workspace = self.workspace.clone();
4006        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4007            Self::open_link(text, &workspace, window, cx);
4008        })
4009    }
4010
4011    fn open_link(
4012        url: SharedString,
4013        workspace: &WeakEntity<Workspace>,
4014        window: &mut Window,
4015        cx: &mut App,
4016    ) {
4017        let Some(workspace) = workspace.upgrade() else {
4018            cx.open_url(&url);
4019            return;
4020        };
4021
4022        if let Some(mention) = MentionUri::parse(&url).log_err() {
4023            workspace.update(cx, |workspace, cx| match mention {
4024                MentionUri::File { abs_path } => {
4025                    let project = workspace.project();
4026                    let Some(path) =
4027                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4028                    else {
4029                        return;
4030                    };
4031
4032                    workspace
4033                        .open_path(path, None, true, window, cx)
4034                        .detach_and_log_err(cx);
4035                }
4036                MentionUri::PastedImage => {}
4037                MentionUri::Directory { abs_path } => {
4038                    let project = workspace.project();
4039                    let Some(entry) = project.update(cx, |project, cx| {
4040                        let path = project.find_project_path(abs_path, cx)?;
4041                        project.entry_for_path(&path, cx)
4042                    }) else {
4043                        return;
4044                    };
4045
4046                    project.update(cx, |_, cx| {
4047                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
4048                    });
4049                }
4050                MentionUri::Symbol {
4051                    abs_path: path,
4052                    line_range,
4053                    ..
4054                }
4055                | MentionUri::Selection {
4056                    abs_path: Some(path),
4057                    line_range,
4058                } => {
4059                    let project = workspace.project();
4060                    let Some((path, _)) = project.update(cx, |project, cx| {
4061                        let path = project.find_project_path(path, cx)?;
4062                        let entry = project.entry_for_path(&path, cx)?;
4063                        Some((path, entry))
4064                    }) else {
4065                        return;
4066                    };
4067
4068                    let item = workspace.open_path(path, None, true, window, cx);
4069                    window
4070                        .spawn(cx, async move |cx| {
4071                            let Some(editor) = item.await?.downcast::<Editor>() else {
4072                                return Ok(());
4073                            };
4074                            let range = Point::new(*line_range.start(), 0)
4075                                ..Point::new(*line_range.start(), 0);
4076                            editor
4077                                .update_in(cx, |editor, window, cx| {
4078                                    editor.change_selections(
4079                                        SelectionEffects::scroll(Autoscroll::center()),
4080                                        window,
4081                                        cx,
4082                                        |s| s.select_ranges(vec![range]),
4083                                    );
4084                                })
4085                                .ok();
4086                            anyhow::Ok(())
4087                        })
4088                        .detach_and_log_err(cx);
4089                }
4090                MentionUri::Selection { abs_path: None, .. } => {}
4091                MentionUri::Thread { id, name } => {
4092                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4093                        panel.update(cx, |panel, cx| {
4094                            panel.load_agent_thread(
4095                                DbThreadMetadata {
4096                                    id,
4097                                    title: name.into(),
4098                                    updated_at: Default::default(),
4099                                },
4100                                window,
4101                                cx,
4102                            )
4103                        });
4104                    }
4105                }
4106                MentionUri::TextThread { path, .. } => {
4107                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4108                        panel.update(cx, |panel, cx| {
4109                            panel
4110                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
4111                                .detach_and_log_err(cx);
4112                        });
4113                    }
4114                }
4115                MentionUri::Rule { id, .. } => {
4116                    let PromptId::User { uuid } = id else {
4117                        return;
4118                    };
4119                    window.dispatch_action(
4120                        Box::new(OpenRulesLibrary {
4121                            prompt_to_select: Some(uuid.0),
4122                        }),
4123                        cx,
4124                    )
4125                }
4126                MentionUri::Fetch { url } => {
4127                    cx.open_url(url.as_str());
4128                }
4129            })
4130        } else {
4131            cx.open_url(&url);
4132        }
4133    }
4134
4135    fn open_tool_call_location(
4136        &self,
4137        entry_ix: usize,
4138        location_ix: usize,
4139        window: &mut Window,
4140        cx: &mut Context<Self>,
4141    ) -> Option<()> {
4142        let (tool_call_location, agent_location) = self
4143            .thread()?
4144            .read(cx)
4145            .entries()
4146            .get(entry_ix)?
4147            .location(location_ix)?;
4148
4149        let project_path = self
4150            .project
4151            .read(cx)
4152            .find_project_path(&tool_call_location.path, cx)?;
4153
4154        let open_task = self
4155            .workspace
4156            .update(cx, |workspace, cx| {
4157                workspace.open_path(project_path, None, true, window, cx)
4158            })
4159            .log_err()?;
4160        window
4161            .spawn(cx, async move |cx| {
4162                let item = open_task.await?;
4163
4164                let Some(active_editor) = item.downcast::<Editor>() else {
4165                    return anyhow::Ok(());
4166                };
4167
4168                active_editor.update_in(cx, |editor, window, cx| {
4169                    let multibuffer = editor.buffer().read(cx);
4170                    let buffer = multibuffer.as_singleton();
4171                    if agent_location.buffer.upgrade() == buffer {
4172                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4173                        let anchor = editor::Anchor::in_buffer(
4174                            excerpt_id.unwrap(),
4175                            buffer.unwrap().read(cx).remote_id(),
4176                            agent_location.position,
4177                        );
4178                        editor.change_selections(Default::default(), window, cx, |selections| {
4179                            selections.select_anchor_ranges([anchor..anchor]);
4180                        })
4181                    } else {
4182                        let row = tool_call_location.line.unwrap_or_default();
4183                        editor.change_selections(Default::default(), window, cx, |selections| {
4184                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4185                        })
4186                    }
4187                })?;
4188
4189                anyhow::Ok(())
4190            })
4191            .detach_and_log_err(cx);
4192
4193        None
4194    }
4195
4196    pub fn open_thread_as_markdown(
4197        &self,
4198        workspace: Entity<Workspace>,
4199        window: &mut Window,
4200        cx: &mut App,
4201    ) -> Task<Result<()>> {
4202        let markdown_language_task = workspace
4203            .read(cx)
4204            .app_state()
4205            .languages
4206            .language_for_name("Markdown");
4207
4208        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4209            let thread = thread.read(cx);
4210            (thread.title().to_string(), thread.to_markdown(cx))
4211        } else {
4212            return Task::ready(Ok(()));
4213        };
4214
4215        window.spawn(cx, async move |cx| {
4216            let markdown_language = markdown_language_task.await?;
4217
4218            workspace.update_in(cx, |workspace, window, cx| {
4219                let project = workspace.project().clone();
4220
4221                if !project.read(cx).is_local() {
4222                    bail!("failed to open active thread as markdown in remote project");
4223                }
4224
4225                let buffer = project.update(cx, |project, cx| {
4226                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
4227                });
4228                let buffer = cx.new(|cx| {
4229                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4230                });
4231
4232                workspace.add_item_to_active_pane(
4233                    Box::new(cx.new(|cx| {
4234                        let mut editor =
4235                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4236                        editor.set_breadcrumb_header(thread_summary);
4237                        editor
4238                    })),
4239                    None,
4240                    true,
4241                    window,
4242                    cx,
4243                );
4244
4245                anyhow::Ok(())
4246            })??;
4247            anyhow::Ok(())
4248        })
4249    }
4250
4251    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4252        self.list_state.scroll_to(ListOffset::default());
4253        cx.notify();
4254    }
4255
4256    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4257        if let Some(thread) = self.thread() {
4258            let entry_count = thread.read(cx).entries().len();
4259            self.list_state.reset(entry_count);
4260            cx.notify();
4261        }
4262    }
4263
4264    fn notify_with_sound(
4265        &mut self,
4266        caption: impl Into<SharedString>,
4267        icon: IconName,
4268        window: &mut Window,
4269        cx: &mut Context<Self>,
4270    ) {
4271        self.play_notification_sound(window, cx);
4272        self.show_notification(caption, icon, window, cx);
4273    }
4274
4275    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4276        let settings = AgentSettings::get_global(cx);
4277        if settings.play_sound_when_agent_done && !window.is_window_active() {
4278            Audio::play_sound(Sound::AgentDone, cx);
4279        }
4280    }
4281
4282    fn show_notification(
4283        &mut self,
4284        caption: impl Into<SharedString>,
4285        icon: IconName,
4286        window: &mut Window,
4287        cx: &mut Context<Self>,
4288    ) {
4289        if window.is_window_active() || !self.notifications.is_empty() {
4290            return;
4291        }
4292
4293        // TODO: Change this once we have title summarization for external agents.
4294        let title = self.agent.name();
4295
4296        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4297            NotifyWhenAgentWaiting::PrimaryScreen => {
4298                if let Some(primary) = cx.primary_display() {
4299                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4300                }
4301            }
4302            NotifyWhenAgentWaiting::AllScreens => {
4303                let caption = caption.into();
4304                for screen in cx.displays() {
4305                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4306                }
4307            }
4308            NotifyWhenAgentWaiting::Never => {
4309                // Don't show anything
4310            }
4311        }
4312    }
4313
4314    fn pop_up(
4315        &mut self,
4316        icon: IconName,
4317        caption: SharedString,
4318        title: SharedString,
4319        window: &mut Window,
4320        screen: Rc<dyn PlatformDisplay>,
4321        cx: &mut Context<Self>,
4322    ) {
4323        let options = AgentNotification::window_options(screen, cx);
4324
4325        let project_name = self.workspace.upgrade().and_then(|workspace| {
4326            workspace
4327                .read(cx)
4328                .project()
4329                .read(cx)
4330                .visible_worktrees(cx)
4331                .next()
4332                .map(|worktree| worktree.read(cx).root_name().to_string())
4333        });
4334
4335        if let Some(screen_window) = cx
4336            .open_window(options, |_, cx| {
4337                cx.new(|_| {
4338                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4339                })
4340            })
4341            .log_err()
4342            && let Some(pop_up) = screen_window.entity(cx).log_err()
4343        {
4344            self.notification_subscriptions
4345                .entry(screen_window)
4346                .or_insert_with(Vec::new)
4347                .push(cx.subscribe_in(&pop_up, window, {
4348                    |this, _, event, window, cx| match event {
4349                        AgentNotificationEvent::Accepted => {
4350                            let handle = window.window_handle();
4351                            cx.activate(true);
4352
4353                            let workspace_handle = this.workspace.clone();
4354
4355                            // If there are multiple Zed windows, activate the correct one.
4356                            cx.defer(move |cx| {
4357                                handle
4358                                    .update(cx, |_view, window, _cx| {
4359                                        window.activate_window();
4360
4361                                        if let Some(workspace) = workspace_handle.upgrade() {
4362                                            workspace.update(_cx, |workspace, cx| {
4363                                                workspace.focus_panel::<AgentPanel>(window, cx);
4364                                            });
4365                                        }
4366                                    })
4367                                    .log_err();
4368                            });
4369
4370                            this.dismiss_notifications(cx);
4371                        }
4372                        AgentNotificationEvent::Dismissed => {
4373                            this.dismiss_notifications(cx);
4374                        }
4375                    }
4376                }));
4377
4378            self.notifications.push(screen_window);
4379
4380            // If the user manually refocuses the original window, dismiss the popup.
4381            self.notification_subscriptions
4382                .entry(screen_window)
4383                .or_insert_with(Vec::new)
4384                .push({
4385                    let pop_up_weak = pop_up.downgrade();
4386
4387                    cx.observe_window_activation(window, move |_, window, cx| {
4388                        if window.is_window_active()
4389                            && let Some(pop_up) = pop_up_weak.upgrade()
4390                        {
4391                            pop_up.update(cx, |_, cx| {
4392                                cx.emit(AgentNotificationEvent::Dismissed);
4393                            });
4394                        }
4395                    })
4396                });
4397        }
4398    }
4399
4400    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4401        for window in self.notifications.drain(..) {
4402            window
4403                .update(cx, |_, window, _| {
4404                    window.remove_window();
4405                })
4406                .ok();
4407
4408            self.notification_subscriptions.remove(&window);
4409        }
4410    }
4411
4412    fn render_thread_controls(
4413        &self,
4414        thread: &Entity<AcpThread>,
4415        cx: &Context<Self>,
4416    ) -> impl IntoElement {
4417        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4418        if is_generating {
4419            return h_flex().id("thread-controls-container").child(
4420                div()
4421                    .py_2()
4422                    .px(rems_from_px(22.))
4423                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4424            );
4425        }
4426
4427        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4428            .shape(ui::IconButtonShape::Square)
4429            .icon_size(IconSize::Small)
4430            .icon_color(Color::Ignored)
4431            .tooltip(Tooltip::text("Open Thread as Markdown"))
4432            .on_click(cx.listener(move |this, _, window, cx| {
4433                if let Some(workspace) = this.workspace.upgrade() {
4434                    this.open_thread_as_markdown(workspace, window, cx)
4435                        .detach_and_log_err(cx);
4436                }
4437            }));
4438
4439        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4440            .shape(ui::IconButtonShape::Square)
4441            .icon_size(IconSize::Small)
4442            .icon_color(Color::Ignored)
4443            .tooltip(Tooltip::text("Scroll To Top"))
4444            .on_click(cx.listener(move |this, _, _, cx| {
4445                this.scroll_to_top(cx);
4446            }));
4447
4448        let mut container = h_flex()
4449            .id("thread-controls-container")
4450            .group("thread-controls-container")
4451            .w_full()
4452            .py_2()
4453            .px_5()
4454            .gap_px()
4455            .opacity(0.6)
4456            .hover(|style| style.opacity(1.))
4457            .flex_wrap()
4458            .justify_end();
4459
4460        if AgentSettings::get_global(cx).enable_feedback
4461            && self
4462                .thread()
4463                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4464        {
4465            let feedback = self.thread_feedback.feedback;
4466
4467            container = container
4468                .child(
4469                    div().visible_on_hover("thread-controls-container").child(
4470                        Label::new(match feedback {
4471                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4472                            Some(ThreadFeedback::Negative) => {
4473                                "We appreciate your feedback and will use it to improve."
4474                            }
4475                            None => {
4476                                "Rating the thread sends all of your current conversation to the Zed team."
4477                            }
4478                        })
4479                        .color(Color::Muted)
4480                        .size(LabelSize::XSmall)
4481                        .truncate(),
4482                    ),
4483                )
4484                .child(
4485                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4486                        .shape(ui::IconButtonShape::Square)
4487                        .icon_size(IconSize::Small)
4488                        .icon_color(match feedback {
4489                            Some(ThreadFeedback::Positive) => Color::Accent,
4490                            _ => Color::Ignored,
4491                        })
4492                        .tooltip(Tooltip::text("Helpful Response"))
4493                        .on_click(cx.listener(move |this, _, window, cx| {
4494                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4495                        })),
4496                )
4497                .child(
4498                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4499                        .shape(ui::IconButtonShape::Square)
4500                        .icon_size(IconSize::Small)
4501                        .icon_color(match feedback {
4502                            Some(ThreadFeedback::Negative) => Color::Accent,
4503                            _ => Color::Ignored,
4504                        })
4505                        .tooltip(Tooltip::text("Not Helpful"))
4506                        .on_click(cx.listener(move |this, _, window, cx| {
4507                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4508                        })),
4509                );
4510        }
4511
4512        container.child(open_as_markdown).child(scroll_to_top)
4513    }
4514
4515    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4516        h_flex()
4517            .key_context("AgentFeedbackMessageEditor")
4518            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4519                this.thread_feedback.dismiss_comments();
4520                cx.notify();
4521            }))
4522            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4523                this.submit_feedback_message(cx);
4524            }))
4525            .p_2()
4526            .mb_2()
4527            .mx_5()
4528            .gap_1()
4529            .rounded_md()
4530            .border_1()
4531            .border_color(cx.theme().colors().border)
4532            .bg(cx.theme().colors().editor_background)
4533            .child(div().w_full().child(editor))
4534            .child(
4535                h_flex()
4536                    .child(
4537                        IconButton::new("dismiss-feedback-message", IconName::Close)
4538                            .icon_color(Color::Error)
4539                            .icon_size(IconSize::XSmall)
4540                            .shape(ui::IconButtonShape::Square)
4541                            .on_click(cx.listener(move |this, _, _window, cx| {
4542                                this.thread_feedback.dismiss_comments();
4543                                cx.notify();
4544                            })),
4545                    )
4546                    .child(
4547                        IconButton::new("submit-feedback-message", IconName::Return)
4548                            .icon_size(IconSize::XSmall)
4549                            .shape(ui::IconButtonShape::Square)
4550                            .on_click(cx.listener(move |this, _, _window, cx| {
4551                                this.submit_feedback_message(cx);
4552                            })),
4553                    ),
4554            )
4555    }
4556
4557    fn handle_feedback_click(
4558        &mut self,
4559        feedback: ThreadFeedback,
4560        window: &mut Window,
4561        cx: &mut Context<Self>,
4562    ) {
4563        let Some(thread) = self.thread().cloned() else {
4564            return;
4565        };
4566
4567        self.thread_feedback.submit(thread, feedback, window, cx);
4568        cx.notify();
4569    }
4570
4571    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4572        let Some(thread) = self.thread().cloned() else {
4573            return;
4574        };
4575
4576        self.thread_feedback.submit_comments(thread, cx);
4577        cx.notify();
4578    }
4579
4580    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4581        div()
4582            .id("acp-thread-scrollbar")
4583            .occlude()
4584            .on_mouse_move(cx.listener(|_, _, _, cx| {
4585                cx.notify();
4586                cx.stop_propagation()
4587            }))
4588            .on_hover(|_, _, cx| {
4589                cx.stop_propagation();
4590            })
4591            .on_any_mouse_down(|_, _, cx| {
4592                cx.stop_propagation();
4593            })
4594            .on_mouse_up(
4595                MouseButton::Left,
4596                cx.listener(|_, _, _, cx| {
4597                    cx.stop_propagation();
4598                }),
4599            )
4600            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4601                cx.notify();
4602            }))
4603            .h_full()
4604            .absolute()
4605            .right_1()
4606            .top_1()
4607            .bottom_0()
4608            .w(px(12.))
4609            .cursor_default()
4610            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4611    }
4612
4613    fn render_token_limit_callout(
4614        &self,
4615        line_height: Pixels,
4616        cx: &mut Context<Self>,
4617    ) -> Option<Callout> {
4618        let token_usage = self.thread()?.read(cx).token_usage()?;
4619        let ratio = token_usage.ratio();
4620
4621        let (severity, title) = match ratio {
4622            acp_thread::TokenUsageRatio::Normal => return None,
4623            acp_thread::TokenUsageRatio::Warning => {
4624                (Severity::Warning, "Thread reaching the token limit soon")
4625            }
4626            acp_thread::TokenUsageRatio::Exceeded => {
4627                (Severity::Error, "Thread reached the token limit")
4628            }
4629        };
4630
4631        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4632            thread.read(cx).completion_mode() == CompletionMode::Normal
4633                && thread
4634                    .read(cx)
4635                    .model()
4636                    .is_some_and(|model| model.supports_burn_mode())
4637        });
4638
4639        let description = if burn_mode_available {
4640            "To continue, start a new thread from a summary or turn Burn Mode on."
4641        } else {
4642            "To continue, start a new thread from a summary."
4643        };
4644
4645        Some(
4646            Callout::new()
4647                .severity(severity)
4648                .line_height(line_height)
4649                .title(title)
4650                .description(description)
4651                .actions_slot(
4652                    h_flex()
4653                        .gap_0p5()
4654                        .child(
4655                            Button::new("start-new-thread", "Start New Thread")
4656                                .label_size(LabelSize::Small)
4657                                .on_click(cx.listener(|this, _, window, cx| {
4658                                    let Some(thread) = this.thread() else {
4659                                        return;
4660                                    };
4661                                    let session_id = thread.read(cx).session_id().clone();
4662                                    window.dispatch_action(
4663                                        crate::NewNativeAgentThreadFromSummary {
4664                                            from_session_id: session_id,
4665                                        }
4666                                        .boxed_clone(),
4667                                        cx,
4668                                    );
4669                                })),
4670                        )
4671                        .when(burn_mode_available, |this| {
4672                            this.child(
4673                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4674                                    .icon_size(IconSize::XSmall)
4675                                    .on_click(cx.listener(|this, _event, window, cx| {
4676                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4677                                    })),
4678                            )
4679                        }),
4680                ),
4681        )
4682    }
4683
4684    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4685        if !self.is_using_zed_ai_models(cx) {
4686            return None;
4687        }
4688
4689        let user_store = self.project.read(cx).user_store().read(cx);
4690        if user_store.is_usage_based_billing_enabled() {
4691            return None;
4692        }
4693
4694        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4695
4696        let usage = user_store.model_request_usage()?;
4697
4698        Some(
4699            div()
4700                .child(UsageCallout::new(plan, usage))
4701                .line_height(line_height),
4702        )
4703    }
4704
4705    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4706        self.entry_view_state.update(cx, |entry_view_state, cx| {
4707            entry_view_state.settings_changed(cx);
4708        });
4709    }
4710
4711    pub(crate) fn insert_dragged_files(
4712        &self,
4713        paths: Vec<project::ProjectPath>,
4714        added_worktrees: Vec<Entity<project::Worktree>>,
4715        window: &mut Window,
4716        cx: &mut Context<Self>,
4717    ) {
4718        self.message_editor.update(cx, |message_editor, cx| {
4719            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4720        })
4721    }
4722
4723    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4724        self.message_editor.update(cx, |message_editor, cx| {
4725            message_editor.insert_selections(window, cx);
4726        })
4727    }
4728
4729    fn render_thread_retry_status_callout(
4730        &self,
4731        _window: &mut Window,
4732        _cx: &mut Context<Self>,
4733    ) -> Option<Callout> {
4734        let state = self.thread_retry_status.as_ref()?;
4735
4736        let next_attempt_in = state
4737            .duration
4738            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4739        if next_attempt_in.is_zero() {
4740            return None;
4741        }
4742
4743        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4744
4745        let retry_message = if state.max_attempts == 1 {
4746            if next_attempt_in_secs == 1 {
4747                "Retrying. Next attempt in 1 second.".to_string()
4748            } else {
4749                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4750            }
4751        } else if next_attempt_in_secs == 1 {
4752            format!(
4753                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4754                state.attempt, state.max_attempts,
4755            )
4756        } else {
4757            format!(
4758                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4759                state.attempt, state.max_attempts,
4760            )
4761        };
4762
4763        Some(
4764            Callout::new()
4765                .severity(Severity::Warning)
4766                .title(state.last_error.clone())
4767                .description(retry_message),
4768        )
4769    }
4770
4771    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4772        let content = match self.thread_error.as_ref()? {
4773            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4774            ThreadError::Refusal => self.render_refusal_error(cx),
4775            ThreadError::AuthenticationRequired(error) => {
4776                self.render_authentication_required_error(error.clone(), cx)
4777            }
4778            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4779            ThreadError::ModelRequestLimitReached(plan) => {
4780                self.render_model_request_limit_reached_error(*plan, cx)
4781            }
4782            ThreadError::ToolUseLimitReached => {
4783                self.render_tool_use_limit_reached_error(window, cx)?
4784            }
4785        };
4786
4787        Some(div().child(content))
4788    }
4789
4790    fn get_current_model_name(&self, cx: &App) -> SharedString {
4791        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
4792        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
4793        // This provides better clarity about what refused the request
4794        if self
4795            .agent
4796            .clone()
4797            .downcast::<agent2::NativeAgentServer>()
4798            .is_some()
4799        {
4800            // Native agent - use the model name
4801            self.model_selector
4802                .as_ref()
4803                .and_then(|selector| selector.read(cx).active_model_name(cx))
4804                .unwrap_or_else(|| SharedString::from("The model"))
4805        } else {
4806            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
4807            self.agent.name()
4808        }
4809    }
4810
4811    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
4812        let model_or_agent_name = self.get_current_model_name(cx);
4813        let refusal_message = format!(
4814            "{} refused to respond to this prompt. This can happen when a model believes the prompt violates its content policy or safety guidelines, so rephrasing it can sometimes address the issue.",
4815            model_or_agent_name
4816        );
4817
4818        Callout::new()
4819            .severity(Severity::Error)
4820            .title("Request Refused")
4821            .icon(IconName::XCircle)
4822            .description(refusal_message.clone())
4823            .actions_slot(self.create_copy_button(&refusal_message))
4824            .dismiss_action(self.dismiss_error_button(cx))
4825    }
4826
4827    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4828        let can_resume = self
4829            .thread()
4830            .map_or(false, |thread| thread.read(cx).can_resume(cx));
4831
4832        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
4833            let thread = thread.read(cx);
4834            let supports_burn_mode = thread
4835                .model()
4836                .map_or(false, |model| model.supports_burn_mode());
4837            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
4838        });
4839
4840        Callout::new()
4841            .severity(Severity::Error)
4842            .title("Error")
4843            .icon(IconName::XCircle)
4844            .description(error.clone())
4845            .actions_slot(
4846                h_flex()
4847                    .gap_0p5()
4848                    .when(can_resume && can_enable_burn_mode, |this| {
4849                        this.child(
4850                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
4851                                .icon(IconName::ZedBurnMode)
4852                                .icon_position(IconPosition::Start)
4853                                .icon_size(IconSize::Small)
4854                                .label_size(LabelSize::Small)
4855                                .on_click(cx.listener(|this, _, window, cx| {
4856                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4857                                    this.resume_chat(cx);
4858                                })),
4859                        )
4860                    })
4861                    .when(can_resume, |this| {
4862                        this.child(
4863                            Button::new("retry", "Retry")
4864                                .icon(IconName::RotateCw)
4865                                .icon_position(IconPosition::Start)
4866                                .icon_size(IconSize::Small)
4867                                .label_size(LabelSize::Small)
4868                                .on_click(cx.listener(|this, _, _window, cx| {
4869                                    this.resume_chat(cx);
4870                                })),
4871                        )
4872                    })
4873                    .child(self.create_copy_button(error.to_string())),
4874            )
4875            .dismiss_action(self.dismiss_error_button(cx))
4876    }
4877
4878    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4879        const ERROR_MESSAGE: &str =
4880            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4881
4882        Callout::new()
4883            .severity(Severity::Error)
4884            .icon(IconName::XCircle)
4885            .title("Free Usage Exceeded")
4886            .description(ERROR_MESSAGE)
4887            .actions_slot(
4888                h_flex()
4889                    .gap_0p5()
4890                    .child(self.upgrade_button(cx))
4891                    .child(self.create_copy_button(ERROR_MESSAGE)),
4892            )
4893            .dismiss_action(self.dismiss_error_button(cx))
4894    }
4895
4896    fn render_authentication_required_error(
4897        &self,
4898        error: SharedString,
4899        cx: &mut Context<Self>,
4900    ) -> Callout {
4901        Callout::new()
4902            .severity(Severity::Error)
4903            .title("Authentication Required")
4904            .icon(IconName::XCircle)
4905            .description(error.clone())
4906            .actions_slot(
4907                h_flex()
4908                    .gap_0p5()
4909                    .child(self.authenticate_button(cx))
4910                    .child(self.create_copy_button(error)),
4911            )
4912            .dismiss_action(self.dismiss_error_button(cx))
4913    }
4914
4915    fn render_model_request_limit_reached_error(
4916        &self,
4917        plan: cloud_llm_client::Plan,
4918        cx: &mut Context<Self>,
4919    ) -> Callout {
4920        let error_message = match plan {
4921            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4922            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4923                "Upgrade to Zed Pro for more prompts."
4924            }
4925        };
4926
4927        Callout::new()
4928            .severity(Severity::Error)
4929            .title("Model Prompt Limit Reached")
4930            .icon(IconName::XCircle)
4931            .description(error_message)
4932            .actions_slot(
4933                h_flex()
4934                    .gap_0p5()
4935                    .child(self.upgrade_button(cx))
4936                    .child(self.create_copy_button(error_message)),
4937            )
4938            .dismiss_action(self.dismiss_error_button(cx))
4939    }
4940
4941    fn render_tool_use_limit_reached_error(
4942        &self,
4943        window: &mut Window,
4944        cx: &mut Context<Self>,
4945    ) -> Option<Callout> {
4946        let thread = self.as_native_thread(cx)?;
4947        let supports_burn_mode = thread
4948            .read(cx)
4949            .model()
4950            .is_some_and(|model| model.supports_burn_mode());
4951
4952        let focus_handle = self.focus_handle(cx);
4953
4954        Some(
4955            Callout::new()
4956                .icon(IconName::Info)
4957                .title("Consecutive tool use limit reached.")
4958                .actions_slot(
4959                    h_flex()
4960                        .gap_0p5()
4961                        .when(supports_burn_mode, |this| {
4962                            this.child(
4963                                Button::new("continue-burn-mode", "Continue with Burn Mode")
4964                                    .style(ButtonStyle::Filled)
4965                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4966                                    .layer(ElevationIndex::ModalSurface)
4967                                    .label_size(LabelSize::Small)
4968                                    .key_binding(
4969                                        KeyBinding::for_action_in(
4970                                            &ContinueWithBurnMode,
4971                                            &focus_handle,
4972                                            window,
4973                                            cx,
4974                                        )
4975                                        .map(|kb| kb.size(rems_from_px(10.))),
4976                                    )
4977                                    .tooltip(Tooltip::text(
4978                                        "Enable Burn Mode for unlimited tool use.",
4979                                    ))
4980                                    .on_click({
4981                                        cx.listener(move |this, _, _window, cx| {
4982                                            thread.update(cx, |thread, cx| {
4983                                                thread
4984                                                    .set_completion_mode(CompletionMode::Burn, cx);
4985                                            });
4986                                            this.resume_chat(cx);
4987                                        })
4988                                    }),
4989                            )
4990                        })
4991                        .child(
4992                            Button::new("continue-conversation", "Continue")
4993                                .layer(ElevationIndex::ModalSurface)
4994                                .label_size(LabelSize::Small)
4995                                .key_binding(
4996                                    KeyBinding::for_action_in(
4997                                        &ContinueThread,
4998                                        &focus_handle,
4999                                        window,
5000                                        cx,
5001                                    )
5002                                    .map(|kb| kb.size(rems_from_px(10.))),
5003                                )
5004                                .on_click(cx.listener(|this, _, _window, cx| {
5005                                    this.resume_chat(cx);
5006                                })),
5007                        ),
5008                ),
5009        )
5010    }
5011
5012    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5013        let message = message.into();
5014
5015        IconButton::new("copy", IconName::Copy)
5016            .icon_size(IconSize::Small)
5017            .icon_color(Color::Muted)
5018            .tooltip(Tooltip::text("Copy Error Message"))
5019            .on_click(move |_, _, cx| {
5020                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5021            })
5022    }
5023
5024    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5025        IconButton::new("dismiss", IconName::Close)
5026            .icon_size(IconSize::Small)
5027            .icon_color(Color::Muted)
5028            .tooltip(Tooltip::text("Dismiss Error"))
5029            .on_click(cx.listener({
5030                move |this, _, _, cx| {
5031                    this.clear_thread_error(cx);
5032                    cx.notify();
5033                }
5034            }))
5035    }
5036
5037    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5038        Button::new("authenticate", "Authenticate")
5039            .label_size(LabelSize::Small)
5040            .style(ButtonStyle::Filled)
5041            .on_click(cx.listener({
5042                move |this, _, window, cx| {
5043                    let agent = this.agent.clone();
5044                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5045                        return;
5046                    };
5047
5048                    let connection = thread.read(cx).connection().clone();
5049                    let err = AuthRequired {
5050                        description: None,
5051                        provider_id: None,
5052                    };
5053                    this.clear_thread_error(cx);
5054                    let this = cx.weak_entity();
5055                    window.defer(cx, |window, cx| {
5056                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5057                    })
5058                }
5059            }))
5060    }
5061
5062    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5063        let agent = self.agent.clone();
5064        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5065            return;
5066        };
5067
5068        let connection = thread.read(cx).connection().clone();
5069        let err = AuthRequired {
5070            description: None,
5071            provider_id: None,
5072        };
5073        self.clear_thread_error(cx);
5074        let this = cx.weak_entity();
5075        window.defer(cx, |window, cx| {
5076            Self::handle_auth_required(this, err, agent, connection, window, cx);
5077        })
5078    }
5079
5080    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5081        Button::new("upgrade", "Upgrade")
5082            .label_size(LabelSize::Small)
5083            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5084            .on_click(cx.listener({
5085                move |this, _, _, cx| {
5086                    this.clear_thread_error(cx);
5087                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5088                }
5089            }))
5090    }
5091
5092    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5093        let task = match entry {
5094            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5095                history.delete_thread(thread.id.clone(), cx)
5096            }),
5097            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
5098                history.delete_text_thread(context.path.clone(), cx)
5099            }),
5100        };
5101        task.detach_and_log_err(cx);
5102    }
5103}
5104
5105fn loading_contents_spinner(size: IconSize) -> AnyElement {
5106    Icon::new(IconName::LoadCircle)
5107        .size(size)
5108        .color(Color::Accent)
5109        .with_animation(
5110            "load_context_circle",
5111            Animation::new(Duration::from_secs(3)).repeat(),
5112            |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
5113        )
5114        .into_any_element()
5115}
5116
5117impl Focusable for AcpThreadView {
5118    fn focus_handle(&self, cx: &App) -> FocusHandle {
5119        match self.thread_state {
5120            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5121                self.message_editor.focus_handle(cx)
5122            }
5123            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5124                self.focus_handle.clone()
5125            }
5126        }
5127    }
5128}
5129
5130impl Render for AcpThreadView {
5131    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5132        let has_messages = self.list_state.item_count() > 0;
5133        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5134
5135        v_flex()
5136            .size_full()
5137            .key_context("AcpThread")
5138            .on_action(cx.listener(Self::open_agent_diff))
5139            .on_action(cx.listener(Self::toggle_burn_mode))
5140            .on_action(cx.listener(Self::keep_all))
5141            .on_action(cx.listener(Self::reject_all))
5142            .track_focus(&self.focus_handle)
5143            .bg(cx.theme().colors().panel_background)
5144            .child(match &self.thread_state {
5145                ThreadState::Unauthenticated {
5146                    connection,
5147                    description,
5148                    configuration_view,
5149                    pending_auth_method,
5150                    ..
5151                } => self.render_auth_required_state(
5152                    connection,
5153                    description.as_ref(),
5154                    configuration_view.as_ref(),
5155                    pending_auth_method.as_ref(),
5156                    window,
5157                    cx,
5158                ),
5159                ThreadState::Loading { .. } => v_flex()
5160                    .flex_1()
5161                    .child(self.render_recent_history(window, cx)),
5162                ThreadState::LoadError(e) => v_flex()
5163                    .flex_1()
5164                    .size_full()
5165                    .items_center()
5166                    .justify_end()
5167                    .child(self.render_load_error(e, window, cx)),
5168                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5169                    if has_messages {
5170                        this.child(
5171                            list(
5172                                self.list_state.clone(),
5173                                cx.processor(|this, index: usize, window, cx| {
5174                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5175                                        let entries = &thread.read(cx).entries();
5176                                        Some((entries.get(index)?, entries.len()))
5177                                    }) else {
5178                                        return Empty.into_any();
5179                                    };
5180                                    this.render_entry(index, len, entry, window, cx)
5181                                }),
5182                            )
5183                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5184                            .flex_grow()
5185                            .into_any(),
5186                        )
5187                        .child(self.render_vertical_scrollbar(cx))
5188                    } else {
5189                        this.child(self.render_recent_history(window, cx))
5190                    }
5191                }),
5192            })
5193            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5194            // above so that the scrollbar doesn't render behind it. The current setup allows
5195            // the scrollbar to stop exactly at the activity bar start.
5196            .when(has_messages, |this| match &self.thread_state {
5197                ThreadState::Ready { thread, .. } => {
5198                    this.children(self.render_activity_bar(thread, window, cx))
5199                }
5200                _ => this,
5201            })
5202            .children(self.render_thread_retry_status_callout(window, cx))
5203            .children(self.render_thread_error(window, cx))
5204            .children(
5205                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5206                    Some(usage_callout.into_any_element())
5207                } else {
5208                    self.render_token_limit_callout(line_height, cx)
5209                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5210                },
5211            )
5212            .child(self.render_message_editor(window, cx))
5213    }
5214}
5215
5216fn default_markdown_style(
5217    buffer_font: bool,
5218    muted_text: bool,
5219    window: &Window,
5220    cx: &App,
5221) -> MarkdownStyle {
5222    let theme_settings = ThemeSettings::get_global(cx);
5223    let colors = cx.theme().colors();
5224
5225    let buffer_font_size = TextSize::Small.rems(cx);
5226
5227    let mut text_style = window.text_style();
5228    let line_height = buffer_font_size * 1.75;
5229
5230    let font_family = if buffer_font {
5231        theme_settings.buffer_font.family.clone()
5232    } else {
5233        theme_settings.ui_font.family.clone()
5234    };
5235
5236    let font_size = if buffer_font {
5237        TextSize::Small.rems(cx)
5238    } else {
5239        TextSize::Default.rems(cx)
5240    };
5241
5242    let text_color = if muted_text {
5243        colors.text_muted
5244    } else {
5245        colors.text
5246    };
5247
5248    text_style.refine(&TextStyleRefinement {
5249        font_family: Some(font_family),
5250        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5251        font_features: Some(theme_settings.ui_font.features.clone()),
5252        font_size: Some(font_size.into()),
5253        line_height: Some(line_height.into()),
5254        color: Some(text_color),
5255        ..Default::default()
5256    });
5257
5258    MarkdownStyle {
5259        base_text_style: text_style.clone(),
5260        syntax: cx.theme().syntax().clone(),
5261        selection_background_color: colors.element_selection_background,
5262        code_block_overflow_x_scroll: true,
5263        table_overflow_x_scroll: true,
5264        heading_level_styles: Some(HeadingLevelStyles {
5265            h1: Some(TextStyleRefinement {
5266                font_size: Some(rems(1.15).into()),
5267                ..Default::default()
5268            }),
5269            h2: Some(TextStyleRefinement {
5270                font_size: Some(rems(1.1).into()),
5271                ..Default::default()
5272            }),
5273            h3: Some(TextStyleRefinement {
5274                font_size: Some(rems(1.05).into()),
5275                ..Default::default()
5276            }),
5277            h4: Some(TextStyleRefinement {
5278                font_size: Some(rems(1.).into()),
5279                ..Default::default()
5280            }),
5281            h5: Some(TextStyleRefinement {
5282                font_size: Some(rems(0.95).into()),
5283                ..Default::default()
5284            }),
5285            h6: Some(TextStyleRefinement {
5286                font_size: Some(rems(0.875).into()),
5287                ..Default::default()
5288            }),
5289        }),
5290        code_block: StyleRefinement {
5291            padding: EdgesRefinement {
5292                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5293                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5294                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5295                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5296            },
5297            margin: EdgesRefinement {
5298                top: Some(Length::Definite(Pixels(8.).into())),
5299                left: Some(Length::Definite(Pixels(0.).into())),
5300                right: Some(Length::Definite(Pixels(0.).into())),
5301                bottom: Some(Length::Definite(Pixels(12.).into())),
5302            },
5303            border_style: Some(BorderStyle::Solid),
5304            border_widths: EdgesRefinement {
5305                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
5306                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
5307                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
5308                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
5309            },
5310            border_color: Some(colors.border_variant),
5311            background: Some(colors.editor_background.into()),
5312            text: Some(TextStyleRefinement {
5313                font_family: Some(theme_settings.buffer_font.family.clone()),
5314                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5315                font_features: Some(theme_settings.buffer_font.features.clone()),
5316                font_size: Some(buffer_font_size.into()),
5317                ..Default::default()
5318            }),
5319            ..Default::default()
5320        },
5321        inline_code: TextStyleRefinement {
5322            font_family: Some(theme_settings.buffer_font.family.clone()),
5323            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5324            font_features: Some(theme_settings.buffer_font.features.clone()),
5325            font_size: Some(buffer_font_size.into()),
5326            background_color: Some(colors.editor_foreground.opacity(0.08)),
5327            ..Default::default()
5328        },
5329        link: TextStyleRefinement {
5330            background_color: Some(colors.editor_foreground.opacity(0.025)),
5331            underline: Some(UnderlineStyle {
5332                color: Some(colors.text_accent.opacity(0.5)),
5333                thickness: px(1.),
5334                ..Default::default()
5335            }),
5336            ..Default::default()
5337        },
5338        ..Default::default()
5339    }
5340}
5341
5342fn plan_label_markdown_style(
5343    status: &acp::PlanEntryStatus,
5344    window: &Window,
5345    cx: &App,
5346) -> MarkdownStyle {
5347    let default_md_style = default_markdown_style(false, false, window, cx);
5348
5349    MarkdownStyle {
5350        base_text_style: TextStyle {
5351            color: cx.theme().colors().text_muted,
5352            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5353                Some(gpui::StrikethroughStyle {
5354                    thickness: px(1.),
5355                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5356                })
5357            } else {
5358                None
5359            },
5360            ..default_md_style.base_text_style
5361        },
5362        ..default_md_style
5363    }
5364}
5365
5366fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5367    let default_md_style = default_markdown_style(true, false, window, cx);
5368
5369    MarkdownStyle {
5370        base_text_style: TextStyle {
5371            ..default_md_style.base_text_style
5372        },
5373        selection_background_color: cx.theme().colors().element_selection_background,
5374        ..Default::default()
5375    }
5376}
5377
5378#[cfg(test)]
5379pub(crate) mod tests {
5380    use acp_thread::StubAgentConnection;
5381    use agent_client_protocol::SessionId;
5382    use assistant_context::ContextStore;
5383    use editor::EditorSettings;
5384    use fs::FakeFs;
5385    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5386    use project::Project;
5387    use serde_json::json;
5388    use settings::SettingsStore;
5389    use std::any::Any;
5390    use std::path::Path;
5391    use workspace::Item;
5392
5393    use super::*;
5394
5395    #[gpui::test]
5396    async fn test_drop(cx: &mut TestAppContext) {
5397        init_test(cx);
5398
5399        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5400        let weak_view = thread_view.downgrade();
5401        drop(thread_view);
5402        assert!(!weak_view.is_upgradable());
5403    }
5404
5405    #[gpui::test]
5406    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5407        init_test(cx);
5408
5409        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5410
5411        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5412        message_editor.update_in(cx, |editor, window, cx| {
5413            editor.set_text("Hello", window, cx);
5414        });
5415
5416        cx.deactivate_window();
5417
5418        thread_view.update_in(cx, |thread_view, window, cx| {
5419            thread_view.send(window, cx);
5420        });
5421
5422        cx.run_until_parked();
5423
5424        assert!(
5425            cx.windows()
5426                .iter()
5427                .any(|window| window.downcast::<AgentNotification>().is_some())
5428        );
5429    }
5430
5431    #[gpui::test]
5432    async fn test_notification_for_error(cx: &mut TestAppContext) {
5433        init_test(cx);
5434
5435        let (thread_view, cx) =
5436            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5437
5438        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5439        message_editor.update_in(cx, |editor, window, cx| {
5440            editor.set_text("Hello", window, cx);
5441        });
5442
5443        cx.deactivate_window();
5444
5445        thread_view.update_in(cx, |thread_view, window, cx| {
5446            thread_view.send(window, cx);
5447        });
5448
5449        cx.run_until_parked();
5450
5451        assert!(
5452            cx.windows()
5453                .iter()
5454                .any(|window| window.downcast::<AgentNotification>().is_some())
5455        );
5456    }
5457
5458    #[gpui::test]
5459    async fn test_refusal_handling(cx: &mut TestAppContext) {
5460        init_test(cx);
5461
5462        let (thread_view, cx) =
5463            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
5464
5465        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5466        message_editor.update_in(cx, |editor, window, cx| {
5467            editor.set_text("Do something harmful", window, cx);
5468        });
5469
5470        thread_view.update_in(cx, |thread_view, window, cx| {
5471            thread_view.send(window, cx);
5472        });
5473
5474        cx.run_until_parked();
5475
5476        // Check that the refusal error is set
5477        thread_view.read_with(cx, |thread_view, _cx| {
5478            assert!(
5479                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5480                "Expected refusal error to be set"
5481            );
5482        });
5483    }
5484
5485    #[gpui::test]
5486    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5487        init_test(cx);
5488
5489        let tool_call_id = acp::ToolCallId("1".into());
5490        let tool_call = acp::ToolCall {
5491            id: tool_call_id.clone(),
5492            title: "Label".into(),
5493            kind: acp::ToolKind::Edit,
5494            status: acp::ToolCallStatus::Pending,
5495            content: vec!["hi".into()],
5496            locations: vec![],
5497            raw_input: None,
5498            raw_output: None,
5499        };
5500        let connection =
5501            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5502                tool_call_id,
5503                vec![acp::PermissionOption {
5504                    id: acp::PermissionOptionId("1".into()),
5505                    name: "Allow".into(),
5506                    kind: acp::PermissionOptionKind::AllowOnce,
5507                }],
5508            )]));
5509
5510        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5511
5512        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5513
5514        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5515        message_editor.update_in(cx, |editor, window, cx| {
5516            editor.set_text("Hello", window, cx);
5517        });
5518
5519        cx.deactivate_window();
5520
5521        thread_view.update_in(cx, |thread_view, window, cx| {
5522            thread_view.send(window, cx);
5523        });
5524
5525        cx.run_until_parked();
5526
5527        assert!(
5528            cx.windows()
5529                .iter()
5530                .any(|window| window.downcast::<AgentNotification>().is_some())
5531        );
5532    }
5533
5534    async fn setup_thread_view(
5535        agent: impl AgentServer + 'static,
5536        cx: &mut TestAppContext,
5537    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5538        let fs = FakeFs::new(cx.executor());
5539        let project = Project::test(fs, [], cx).await;
5540        let (workspace, cx) =
5541            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5542
5543        let context_store =
5544            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5545        let history_store =
5546            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5547
5548        let thread_view = cx.update(|window, cx| {
5549            cx.new(|cx| {
5550                AcpThreadView::new(
5551                    Rc::new(agent),
5552                    None,
5553                    None,
5554                    workspace.downgrade(),
5555                    project,
5556                    history_store,
5557                    None,
5558                    window,
5559                    cx,
5560                )
5561            })
5562        });
5563        cx.run_until_parked();
5564        (thread_view, cx)
5565    }
5566
5567    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5568        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5569
5570        workspace
5571            .update_in(cx, |workspace, window, cx| {
5572                workspace.add_item_to_active_pane(
5573                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5574                    None,
5575                    true,
5576                    window,
5577                    cx,
5578                );
5579            })
5580            .unwrap();
5581    }
5582
5583    struct ThreadViewItem(Entity<AcpThreadView>);
5584
5585    impl Item for ThreadViewItem {
5586        type Event = ();
5587
5588        fn include_in_nav_history() -> bool {
5589            false
5590        }
5591
5592        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5593            "Test".into()
5594        }
5595    }
5596
5597    impl EventEmitter<()> for ThreadViewItem {}
5598
5599    impl Focusable for ThreadViewItem {
5600        fn focus_handle(&self, cx: &App) -> FocusHandle {
5601            self.0.read(cx).focus_handle(cx)
5602        }
5603    }
5604
5605    impl Render for ThreadViewItem {
5606        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5607            self.0.clone().into_any_element()
5608        }
5609    }
5610
5611    struct StubAgentServer<C> {
5612        connection: C,
5613    }
5614
5615    impl<C> StubAgentServer<C> {
5616        fn new(connection: C) -> Self {
5617            Self { connection }
5618        }
5619    }
5620
5621    impl StubAgentServer<StubAgentConnection> {
5622        fn default_response() -> Self {
5623            let conn = StubAgentConnection::new();
5624            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5625                content: "Default response".into(),
5626            }]);
5627            Self::new(conn)
5628        }
5629    }
5630
5631    impl<C> AgentServer for StubAgentServer<C>
5632    where
5633        C: 'static + AgentConnection + Send + Clone,
5634    {
5635        fn telemetry_id(&self) -> &'static str {
5636            "test"
5637        }
5638
5639        fn logo(&self) -> ui::IconName {
5640            ui::IconName::Ai
5641        }
5642
5643        fn name(&self) -> SharedString {
5644            "Test".into()
5645        }
5646
5647        fn connect(
5648            &self,
5649            _root_dir: &Path,
5650            _delegate: AgentServerDelegate,
5651            _cx: &mut App,
5652        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
5653            Task::ready(Ok(Rc::new(self.connection.clone())))
5654        }
5655
5656        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5657            self
5658        }
5659    }
5660
5661    #[derive(Clone)]
5662    struct SaboteurAgentConnection;
5663
5664    impl AgentConnection for SaboteurAgentConnection {
5665        fn new_thread(
5666            self: Rc<Self>,
5667            project: Entity<Project>,
5668            _cwd: &Path,
5669            cx: &mut gpui::App,
5670        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5671            Task::ready(Ok(cx.new(|cx| {
5672                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5673                AcpThread::new(
5674                    "SaboteurAgentConnection",
5675                    self,
5676                    project,
5677                    action_log,
5678                    SessionId("test".into()),
5679                    watch::Receiver::constant(acp::PromptCapabilities {
5680                        image: true,
5681                        audio: true,
5682                        embedded_context: true,
5683                    }),
5684                    vec![],
5685                    cx,
5686                )
5687            })))
5688        }
5689
5690        fn auth_methods(&self) -> &[acp::AuthMethod] {
5691            &[]
5692        }
5693
5694        fn authenticate(
5695            &self,
5696            _method_id: acp::AuthMethodId,
5697            _cx: &mut App,
5698        ) -> Task<gpui::Result<()>> {
5699            unimplemented!()
5700        }
5701
5702        fn prompt(
5703            &self,
5704            _id: Option<acp_thread::UserMessageId>,
5705            _params: acp::PromptRequest,
5706            _cx: &mut App,
5707        ) -> Task<gpui::Result<acp::PromptResponse>> {
5708            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5709        }
5710
5711        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5712            unimplemented!()
5713        }
5714
5715        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5716            self
5717        }
5718    }
5719
5720    /// Simulates a model which always returns a refusal response
5721    #[derive(Clone)]
5722    struct RefusalAgentConnection;
5723
5724    impl AgentConnection for RefusalAgentConnection {
5725        fn new_thread(
5726            self: Rc<Self>,
5727            project: Entity<Project>,
5728            _cwd: &Path,
5729            cx: &mut gpui::App,
5730        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5731            Task::ready(Ok(cx.new(|cx| {
5732                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5733                AcpThread::new(
5734                    "RefusalAgentConnection",
5735                    self,
5736                    project,
5737                    action_log,
5738                    SessionId("test".into()),
5739                    watch::Receiver::constant(acp::PromptCapabilities {
5740                        image: true,
5741                        audio: true,
5742                        embedded_context: true,
5743                    }),
5744                    Vec::new(),
5745                    cx,
5746                )
5747            })))
5748        }
5749
5750        fn auth_methods(&self) -> &[acp::AuthMethod] {
5751            &[]
5752        }
5753
5754        fn authenticate(
5755            &self,
5756            _method_id: acp::AuthMethodId,
5757            _cx: &mut App,
5758        ) -> Task<gpui::Result<()>> {
5759            unimplemented!()
5760        }
5761
5762        fn prompt(
5763            &self,
5764            _id: Option<acp_thread::UserMessageId>,
5765            _params: acp::PromptRequest,
5766            _cx: &mut App,
5767        ) -> Task<gpui::Result<acp::PromptResponse>> {
5768            Task::ready(Ok(acp::PromptResponse {
5769                stop_reason: acp::StopReason::Refusal,
5770            }))
5771        }
5772
5773        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5774            unimplemented!()
5775        }
5776
5777        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5778            self
5779        }
5780    }
5781
5782    pub(crate) fn init_test(cx: &mut TestAppContext) {
5783        cx.update(|cx| {
5784            let settings_store = SettingsStore::test(cx);
5785            cx.set_global(settings_store);
5786            language::init(cx);
5787            Project::init_settings(cx);
5788            AgentSettings::register(cx);
5789            workspace::init_settings(cx);
5790            ThemeSettings::register(cx);
5791            release_channel::init(SemanticVersion::default(), cx);
5792            EditorSettings::register(cx);
5793            prompt_store::init(cx)
5794        });
5795    }
5796
5797    #[gpui::test]
5798    async fn test_rewind_views(cx: &mut TestAppContext) {
5799        init_test(cx);
5800
5801        let fs = FakeFs::new(cx.executor());
5802        fs.insert_tree(
5803            "/project",
5804            json!({
5805                "test1.txt": "old content 1",
5806                "test2.txt": "old content 2"
5807            }),
5808        )
5809        .await;
5810        let project = Project::test(fs, [Path::new("/project")], cx).await;
5811        let (workspace, cx) =
5812            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5813
5814        let context_store =
5815            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5816        let history_store =
5817            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5818
5819        let connection = Rc::new(StubAgentConnection::new());
5820        let thread_view = cx.update(|window, cx| {
5821            cx.new(|cx| {
5822                AcpThreadView::new(
5823                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5824                    None,
5825                    None,
5826                    workspace.downgrade(),
5827                    project.clone(),
5828                    history_store.clone(),
5829                    None,
5830                    window,
5831                    cx,
5832                )
5833            })
5834        });
5835
5836        cx.run_until_parked();
5837
5838        let thread = thread_view
5839            .read_with(cx, |view, _| view.thread().cloned())
5840            .unwrap();
5841
5842        // First user message
5843        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5844            id: acp::ToolCallId("tool1".into()),
5845            title: "Edit file 1".into(),
5846            kind: acp::ToolKind::Edit,
5847            status: acp::ToolCallStatus::Completed,
5848            content: vec![acp::ToolCallContent::Diff {
5849                diff: acp::Diff {
5850                    path: "/project/test1.txt".into(),
5851                    old_text: Some("old content 1".into()),
5852                    new_text: "new content 1".into(),
5853                },
5854            }],
5855            locations: vec![],
5856            raw_input: None,
5857            raw_output: None,
5858        })]);
5859
5860        thread
5861            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
5862            .await
5863            .unwrap();
5864        cx.run_until_parked();
5865
5866        thread.read_with(cx, |thread, _| {
5867            assert_eq!(thread.entries().len(), 2);
5868        });
5869
5870        thread_view.read_with(cx, |view, cx| {
5871            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5872                assert!(
5873                    entry_view_state
5874                        .entry(0)
5875                        .unwrap()
5876                        .message_editor()
5877                        .is_some()
5878                );
5879                assert!(entry_view_state.entry(1).unwrap().has_content());
5880            });
5881        });
5882
5883        // Second user message
5884        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5885            id: acp::ToolCallId("tool2".into()),
5886            title: "Edit file 2".into(),
5887            kind: acp::ToolKind::Edit,
5888            status: acp::ToolCallStatus::Completed,
5889            content: vec![acp::ToolCallContent::Diff {
5890                diff: acp::Diff {
5891                    path: "/project/test2.txt".into(),
5892                    old_text: Some("old content 2".into()),
5893                    new_text: "new content 2".into(),
5894                },
5895            }],
5896            locations: vec![],
5897            raw_input: None,
5898            raw_output: None,
5899        })]);
5900
5901        thread
5902            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5903            .await
5904            .unwrap();
5905        cx.run_until_parked();
5906
5907        let second_user_message_id = thread.read_with(cx, |thread, _| {
5908            assert_eq!(thread.entries().len(), 4);
5909            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5910                panic!();
5911            };
5912            user_message.id.clone().unwrap()
5913        });
5914
5915        thread_view.read_with(cx, |view, cx| {
5916            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5917                assert!(
5918                    entry_view_state
5919                        .entry(0)
5920                        .unwrap()
5921                        .message_editor()
5922                        .is_some()
5923                );
5924                assert!(entry_view_state.entry(1).unwrap().has_content());
5925                assert!(
5926                    entry_view_state
5927                        .entry(2)
5928                        .unwrap()
5929                        .message_editor()
5930                        .is_some()
5931                );
5932                assert!(entry_view_state.entry(3).unwrap().has_content());
5933            });
5934        });
5935
5936        // Rewind to first message
5937        thread
5938            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
5939            .await
5940            .unwrap();
5941
5942        cx.run_until_parked();
5943
5944        thread.read_with(cx, |thread, _| {
5945            assert_eq!(thread.entries().len(), 2);
5946        });
5947
5948        thread_view.read_with(cx, |view, cx| {
5949            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5950                assert!(
5951                    entry_view_state
5952                        .entry(0)
5953                        .unwrap()
5954                        .message_editor()
5955                        .is_some()
5956                );
5957                assert!(entry_view_state.entry(1).unwrap().has_content());
5958
5959                // Old views should be dropped
5960                assert!(entry_view_state.entry(2).is_none());
5961                assert!(entry_view_state.entry(3).is_none());
5962            });
5963        });
5964    }
5965
5966    #[gpui::test]
5967    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
5968        init_test(cx);
5969
5970        let connection = StubAgentConnection::new();
5971
5972        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5973            content: acp::ContentBlock::Text(acp::TextContent {
5974                text: "Response".into(),
5975                annotations: None,
5976            }),
5977        }]);
5978
5979        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5980        add_to_workspace(thread_view.clone(), cx);
5981
5982        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5983        message_editor.update_in(cx, |editor, window, cx| {
5984            editor.set_text("Original message to edit", window, cx);
5985        });
5986        thread_view.update_in(cx, |thread_view, window, cx| {
5987            thread_view.send(window, cx);
5988        });
5989
5990        cx.run_until_parked();
5991
5992        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5993            assert_eq!(view.editing_message, None);
5994
5995            view.entry_view_state
5996                .read(cx)
5997                .entry(0)
5998                .unwrap()
5999                .message_editor()
6000                .unwrap()
6001                .clone()
6002        });
6003
6004        // Focus
6005        cx.focus(&user_message_editor);
6006        thread_view.read_with(cx, |view, _cx| {
6007            assert_eq!(view.editing_message, Some(0));
6008        });
6009
6010        // Edit
6011        user_message_editor.update_in(cx, |editor, window, cx| {
6012            editor.set_text("Edited message content", window, cx);
6013        });
6014
6015        // Cancel
6016        user_message_editor.update_in(cx, |_editor, window, cx| {
6017            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6018        });
6019
6020        thread_view.read_with(cx, |view, _cx| {
6021            assert_eq!(view.editing_message, None);
6022        });
6023
6024        user_message_editor.read_with(cx, |editor, cx| {
6025            assert_eq!(editor.text(cx), "Original message to edit");
6026        });
6027    }
6028
6029    #[gpui::test]
6030    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6031        init_test(cx);
6032
6033        let connection = StubAgentConnection::new();
6034
6035        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6036        add_to_workspace(thread_view.clone(), cx);
6037
6038        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6039        let mut events = cx.events(&message_editor);
6040        message_editor.update_in(cx, |editor, window, cx| {
6041            editor.set_text("", window, cx);
6042        });
6043
6044        message_editor.update_in(cx, |_editor, window, cx| {
6045            window.dispatch_action(Box::new(Chat), cx);
6046        });
6047        cx.run_until_parked();
6048        // We shouldn't have received any messages
6049        assert!(matches!(
6050            events.try_next(),
6051            Err(futures::channel::mpsc::TryRecvError { .. })
6052        ));
6053    }
6054
6055    #[gpui::test]
6056    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6057        init_test(cx);
6058
6059        let connection = StubAgentConnection::new();
6060
6061        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6062            content: acp::ContentBlock::Text(acp::TextContent {
6063                text: "Response".into(),
6064                annotations: None,
6065            }),
6066        }]);
6067
6068        let (thread_view, cx) =
6069            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6070        add_to_workspace(thread_view.clone(), cx);
6071
6072        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6073        message_editor.update_in(cx, |editor, window, cx| {
6074            editor.set_text("Original message to edit", window, cx);
6075        });
6076        thread_view.update_in(cx, |thread_view, window, cx| {
6077            thread_view.send(window, cx);
6078        });
6079
6080        cx.run_until_parked();
6081
6082        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6083            assert_eq!(view.editing_message, None);
6084            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6085
6086            view.entry_view_state
6087                .read(cx)
6088                .entry(0)
6089                .unwrap()
6090                .message_editor()
6091                .unwrap()
6092                .clone()
6093        });
6094
6095        // Focus
6096        cx.focus(&user_message_editor);
6097
6098        // Edit
6099        user_message_editor.update_in(cx, |editor, window, cx| {
6100            editor.set_text("Edited message content", window, cx);
6101        });
6102
6103        // Send
6104        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6105            content: acp::ContentBlock::Text(acp::TextContent {
6106                text: "New Response".into(),
6107                annotations: None,
6108            }),
6109        }]);
6110
6111        user_message_editor.update_in(cx, |_editor, window, cx| {
6112            window.dispatch_action(Box::new(Chat), cx);
6113        });
6114
6115        cx.run_until_parked();
6116
6117        thread_view.read_with(cx, |view, cx| {
6118            assert_eq!(view.editing_message, None);
6119
6120            let entries = view.thread().unwrap().read(cx).entries();
6121            assert_eq!(entries.len(), 2);
6122            assert_eq!(
6123                entries[0].to_markdown(cx),
6124                "## User\n\nEdited message content\n\n"
6125            );
6126            assert_eq!(
6127                entries[1].to_markdown(cx),
6128                "## Assistant\n\nNew Response\n\n"
6129            );
6130
6131            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6132                assert!(!state.entry(1).unwrap().has_content());
6133                state.entry(0).unwrap().message_editor().unwrap().clone()
6134            });
6135
6136            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6137        })
6138    }
6139
6140    #[gpui::test]
6141    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6142        init_test(cx);
6143
6144        let connection = StubAgentConnection::new();
6145
6146        let (thread_view, cx) =
6147            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6148        add_to_workspace(thread_view.clone(), cx);
6149
6150        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6151        message_editor.update_in(cx, |editor, window, cx| {
6152            editor.set_text("Original message to edit", window, cx);
6153        });
6154        thread_view.update_in(cx, |thread_view, window, cx| {
6155            thread_view.send(window, cx);
6156        });
6157
6158        cx.run_until_parked();
6159
6160        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6161            let thread = view.thread().unwrap().read(cx);
6162            assert_eq!(thread.entries().len(), 1);
6163
6164            let editor = view
6165                .entry_view_state
6166                .read(cx)
6167                .entry(0)
6168                .unwrap()
6169                .message_editor()
6170                .unwrap()
6171                .clone();
6172
6173            (editor, thread.session_id().clone())
6174        });
6175
6176        // Focus
6177        cx.focus(&user_message_editor);
6178
6179        thread_view.read_with(cx, |view, _cx| {
6180            assert_eq!(view.editing_message, Some(0));
6181        });
6182
6183        // Edit
6184        user_message_editor.update_in(cx, |editor, window, cx| {
6185            editor.set_text("Edited message content", window, cx);
6186        });
6187
6188        thread_view.read_with(cx, |view, _cx| {
6189            assert_eq!(view.editing_message, Some(0));
6190        });
6191
6192        // Finish streaming response
6193        cx.update(|_, cx| {
6194            connection.send_update(
6195                session_id.clone(),
6196                acp::SessionUpdate::AgentMessageChunk {
6197                    content: acp::ContentBlock::Text(acp::TextContent {
6198                        text: "Response".into(),
6199                        annotations: None,
6200                    }),
6201                },
6202                cx,
6203            );
6204            connection.end_turn(session_id, acp::StopReason::EndTurn);
6205        });
6206
6207        thread_view.read_with(cx, |view, _cx| {
6208            assert_eq!(view.editing_message, Some(0));
6209        });
6210
6211        cx.run_until_parked();
6212
6213        // Should still be editing
6214        cx.update(|window, cx| {
6215            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6216            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6217            assert_eq!(
6218                user_message_editor.read(cx).text(cx),
6219                "Edited message content"
6220            );
6221        });
6222    }
6223
6224    #[gpui::test]
6225    async fn test_interrupt(cx: &mut TestAppContext) {
6226        init_test(cx);
6227
6228        let connection = StubAgentConnection::new();
6229
6230        let (thread_view, cx) =
6231            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6232        add_to_workspace(thread_view.clone(), cx);
6233
6234        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6235        message_editor.update_in(cx, |editor, window, cx| {
6236            editor.set_text("Message 1", window, cx);
6237        });
6238        thread_view.update_in(cx, |thread_view, window, cx| {
6239            thread_view.send(window, cx);
6240        });
6241
6242        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6243            let thread = view.thread().unwrap();
6244
6245            (thread.clone(), thread.read(cx).session_id().clone())
6246        });
6247
6248        cx.run_until_parked();
6249
6250        cx.update(|_, cx| {
6251            connection.send_update(
6252                session_id.clone(),
6253                acp::SessionUpdate::AgentMessageChunk {
6254                    content: "Message 1 resp".into(),
6255                },
6256                cx,
6257            );
6258        });
6259
6260        cx.run_until_parked();
6261
6262        thread.read_with(cx, |thread, cx| {
6263            assert_eq!(
6264                thread.to_markdown(cx),
6265                indoc::indoc! {"
6266                    ## User
6267
6268                    Message 1
6269
6270                    ## Assistant
6271
6272                    Message 1 resp
6273
6274                "}
6275            )
6276        });
6277
6278        message_editor.update_in(cx, |editor, window, cx| {
6279            editor.set_text("Message 2", window, cx);
6280        });
6281        thread_view.update_in(cx, |thread_view, window, cx| {
6282            thread_view.send(window, cx);
6283        });
6284
6285        cx.update(|_, cx| {
6286            // Simulate a response sent after beginning to cancel
6287            connection.send_update(
6288                session_id.clone(),
6289                acp::SessionUpdate::AgentMessageChunk {
6290                    content: "onse".into(),
6291                },
6292                cx,
6293            );
6294        });
6295
6296        cx.run_until_parked();
6297
6298        // Last Message 1 response should appear before Message 2
6299        thread.read_with(cx, |thread, cx| {
6300            assert_eq!(
6301                thread.to_markdown(cx),
6302                indoc::indoc! {"
6303                    ## User
6304
6305                    Message 1
6306
6307                    ## Assistant
6308
6309                    Message 1 response
6310
6311                    ## User
6312
6313                    Message 2
6314
6315                "}
6316            )
6317        });
6318
6319        cx.update(|_, cx| {
6320            connection.send_update(
6321                session_id.clone(),
6322                acp::SessionUpdate::AgentMessageChunk {
6323                    content: "Message 2 response".into(),
6324                },
6325                cx,
6326            );
6327            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6328        });
6329
6330        cx.run_until_parked();
6331
6332        thread.read_with(cx, |thread, cx| {
6333            assert_eq!(
6334                thread.to_markdown(cx),
6335                indoc::indoc! {"
6336                    ## User
6337
6338                    Message 1
6339
6340                    ## Assistant
6341
6342                    Message 1 response
6343
6344                    ## User
6345
6346                    Message 2
6347
6348                    ## Assistant
6349
6350                    Message 2 response
6351
6352                "}
6353            )
6354        });
6355    }
6356}