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                        .children(terminal_view.clone()),
2727                )
2728            })
2729            .into_any()
2730    }
2731
2732    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2733        let project_context = self
2734            .as_native_thread(cx)?
2735            .read(cx)
2736            .project_context()
2737            .read(cx);
2738
2739        let user_rules_text = if project_context.user_rules.is_empty() {
2740            None
2741        } else if project_context.user_rules.len() == 1 {
2742            let user_rules = &project_context.user_rules[0];
2743
2744            match user_rules.title.as_ref() {
2745                Some(title) => Some(format!("Using \"{title}\" user rule")),
2746                None => Some("Using user rule".into()),
2747            }
2748        } else {
2749            Some(format!(
2750                "Using {} user rules",
2751                project_context.user_rules.len()
2752            ))
2753        };
2754
2755        let first_user_rules_id = project_context
2756            .user_rules
2757            .first()
2758            .map(|user_rules| user_rules.uuid.0);
2759
2760        let rules_files = project_context
2761            .worktrees
2762            .iter()
2763            .filter_map(|worktree| worktree.rules_file.as_ref())
2764            .collect::<Vec<_>>();
2765
2766        let rules_file_text = match rules_files.as_slice() {
2767            &[] => None,
2768            &[rules_file] => Some(format!(
2769                "Using project {:?} file",
2770                rules_file.path_in_worktree
2771            )),
2772            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2773        };
2774
2775        if user_rules_text.is_none() && rules_file_text.is_none() {
2776            return None;
2777        }
2778
2779        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2780
2781        Some(
2782            h_flex()
2783                .px_2p5()
2784                .child(
2785                    Icon::new(IconName::Attach)
2786                        .size(IconSize::XSmall)
2787                        .color(Color::Disabled),
2788                )
2789                .when_some(user_rules_text, |parent, user_rules_text| {
2790                    parent.child(
2791                        h_flex()
2792                            .id("user-rules")
2793                            .ml_1()
2794                            .mr_1p5()
2795                            .child(
2796                                Label::new(user_rules_text)
2797                                    .size(LabelSize::XSmall)
2798                                    .color(Color::Muted)
2799                                    .truncate(),
2800                            )
2801                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2802                            .tooltip(Tooltip::text("View User Rules"))
2803                            .on_click(move |_event, window, cx| {
2804                                window.dispatch_action(
2805                                    Box::new(OpenRulesLibrary {
2806                                        prompt_to_select: first_user_rules_id,
2807                                    }),
2808                                    cx,
2809                                )
2810                            }),
2811                    )
2812                })
2813                .when(has_both, |this| {
2814                    this.child(
2815                        Label::new("")
2816                            .size(LabelSize::XSmall)
2817                            .color(Color::Disabled),
2818                    )
2819                })
2820                .when_some(rules_file_text, |parent, rules_file_text| {
2821                    parent.child(
2822                        h_flex()
2823                            .id("project-rules")
2824                            .ml_1p5()
2825                            .child(
2826                                Label::new(rules_file_text)
2827                                    .size(LabelSize::XSmall)
2828                                    .color(Color::Muted),
2829                            )
2830                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2831                            .tooltip(Tooltip::text("View Project Rules"))
2832                            .on_click(cx.listener(Self::handle_open_rules)),
2833                    )
2834                })
2835                .into_any(),
2836        )
2837    }
2838
2839    fn render_empty_state_section_header(
2840        &self,
2841        label: impl Into<SharedString>,
2842        action_slot: Option<AnyElement>,
2843        cx: &mut Context<Self>,
2844    ) -> impl IntoElement {
2845        div().pl_1().pr_1p5().child(
2846            h_flex()
2847                .mt_2()
2848                .pl_1p5()
2849                .pb_1()
2850                .w_full()
2851                .justify_between()
2852                .border_b_1()
2853                .border_color(cx.theme().colors().border_variant)
2854                .child(
2855                    Label::new(label.into())
2856                        .size(LabelSize::Small)
2857                        .color(Color::Muted),
2858                )
2859                .children(action_slot),
2860        )
2861    }
2862
2863    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2864        let render_history = self
2865            .agent
2866            .clone()
2867            .downcast::<agent2::NativeAgentServer>()
2868            .is_some()
2869            && self
2870                .history_store
2871                .update(cx, |history_store, cx| !history_store.is_empty(cx));
2872
2873        v_flex()
2874            .size_full()
2875            .when(render_history, |this| {
2876                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
2877                    history_store.entries().take(3).collect()
2878                });
2879                this.justify_end().child(
2880                    v_flex()
2881                        .child(
2882                            self.render_empty_state_section_header(
2883                                "Recent",
2884                                Some(
2885                                    Button::new("view-history", "View All")
2886                                        .style(ButtonStyle::Subtle)
2887                                        .label_size(LabelSize::Small)
2888                                        .key_binding(
2889                                            KeyBinding::for_action_in(
2890                                                &OpenHistory,
2891                                                &self.focus_handle(cx),
2892                                                window,
2893                                                cx,
2894                                            )
2895                                            .map(|kb| kb.size(rems_from_px(12.))),
2896                                        )
2897                                        .on_click(move |_event, window, cx| {
2898                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2899                                        })
2900                                        .into_any_element(),
2901                                ),
2902                                cx,
2903                            ),
2904                        )
2905                        .child(
2906                            v_flex().p_1().pr_1p5().gap_1().children(
2907                                recent_history
2908                                    .into_iter()
2909                                    .enumerate()
2910                                    .map(|(index, entry)| {
2911                                        // TODO: Add keyboard navigation.
2912                                        let is_hovered =
2913                                            self.hovered_recent_history_item == Some(index);
2914                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2915                                            entry,
2916                                            cx.entity().downgrade(),
2917                                        )
2918                                        .hovered(is_hovered)
2919                                        .on_hover(cx.listener(
2920                                            move |this, is_hovered, _window, cx| {
2921                                                if *is_hovered {
2922                                                    this.hovered_recent_history_item = Some(index);
2923                                                } else if this.hovered_recent_history_item
2924                                                    == Some(index)
2925                                                {
2926                                                    this.hovered_recent_history_item = None;
2927                                                }
2928                                                cx.notify();
2929                                            },
2930                                        ))
2931                                        .into_any_element()
2932                                    }),
2933                            ),
2934                        ),
2935                )
2936            })
2937            .into_any()
2938    }
2939
2940    fn render_auth_required_state(
2941        &self,
2942        connection: &Rc<dyn AgentConnection>,
2943        description: Option<&Entity<Markdown>>,
2944        configuration_view: Option<&AnyView>,
2945        pending_auth_method: Option<&acp::AuthMethodId>,
2946        window: &mut Window,
2947        cx: &Context<Self>,
2948    ) -> Div {
2949        let show_description =
2950            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
2951
2952        v_flex().flex_1().size_full().justify_end().child(
2953            v_flex()
2954                .p_2()
2955                .pr_3()
2956                .w_full()
2957                .gap_1()
2958                .border_t_1()
2959                .border_color(cx.theme().colors().border)
2960                .bg(cx.theme().status().warning.opacity(0.04))
2961                .child(
2962                    h_flex()
2963                        .gap_1p5()
2964                        .child(
2965                            Icon::new(IconName::Warning)
2966                                .color(Color::Warning)
2967                                .size(IconSize::Small),
2968                        )
2969                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
2970                )
2971                .children(description.map(|desc| {
2972                    div().text_ui(cx).child(self.render_markdown(
2973                        desc.clone(),
2974                        default_markdown_style(false, false, window, cx),
2975                    ))
2976                }))
2977                .children(
2978                    configuration_view
2979                        .cloned()
2980                        .map(|view| div().w_full().child(view)),
2981                )
2982                .when(
2983                    show_description,
2984                    |el| {
2985                        el.child(
2986                            Label::new(format!(
2987                                "You are not currently authenticated with {}. Please choose one of the following options:",
2988                                self.agent.name()
2989                            ))
2990                            .size(LabelSize::Small)
2991                            .color(Color::Muted)
2992                            .mb_1()
2993                            .ml_5(),
2994                        )
2995                    },
2996                )
2997                .when_some(pending_auth_method, |el, _| {
2998                    el.child(
2999                        h_flex()
3000                            .py_4()
3001                            .w_full()
3002                            .justify_center()
3003                            .gap_1()
3004                            .child(
3005                                Icon::new(IconName::ArrowCircle)
3006                                    .size(IconSize::Small)
3007                                    .color(Color::Muted)
3008                                    .with_animation(
3009                                        "arrow-circle",
3010                                        Animation::new(Duration::from_secs(2)).repeat(),
3011                                        |icon, delta| {
3012                                            icon.transform(Transformation::rotate(percentage(
3013                                                delta,
3014                                            )))
3015                                        },
3016                                    )
3017                                    .into_any_element(),
3018                            )
3019                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3020                    )
3021                })
3022                .when(!connection.auth_methods().is_empty(), |this| {
3023                    this.child(
3024                        h_flex()
3025                            .justify_end()
3026                            .flex_wrap()
3027                            .gap_1()
3028                            .when(!show_description, |this| {
3029                                this.border_t_1()
3030                                    .mt_1()
3031                                    .pt_2()
3032                                    .border_color(cx.theme().colors().border.opacity(0.8))
3033                            })
3034                            .children(
3035                                connection
3036                                    .auth_methods()
3037                                    .iter()
3038                                    .enumerate()
3039                                    .rev()
3040                                    .map(|(ix, method)| {
3041                                        Button::new(
3042                                            SharedString::from(method.id.0.clone()),
3043                                            method.name.clone(),
3044                                        )
3045                                        .when(ix == 0, |el| {
3046                                            el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
3047                                        })
3048                                        .label_size(LabelSize::Small)
3049                                        .on_click({
3050                                            let method_id = method.id.clone();
3051                                            cx.listener(move |this, _, window, cx| {
3052                                                telemetry::event!(
3053                                                    "Authenticate Agent Started",
3054                                                    agent = this.agent.telemetry_id(),
3055                                                    method = method_id
3056                                                );
3057
3058                                                this.authenticate(method_id.clone(), window, cx)
3059                                            })
3060                                        })
3061                                    }),
3062                            ),
3063                    )
3064                })
3065
3066        )
3067    }
3068
3069    fn render_load_error(
3070        &self,
3071        e: &LoadError,
3072        window: &mut Window,
3073        cx: &mut Context<Self>,
3074    ) -> AnyElement {
3075        let (title, message, action_slot): (_, SharedString, _) = match e {
3076            LoadError::Unsupported {
3077                command: path,
3078                current_version,
3079                minimum_version,
3080            } => {
3081                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3082            }
3083            LoadError::FailedToInstall(msg) => (
3084                "Failed to Install",
3085                msg.into(),
3086                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3087            ),
3088            LoadError::Exited { status } => (
3089                "Failed to Launch",
3090                format!("Server exited with status {status}").into(),
3091                None,
3092            ),
3093            LoadError::Other(msg) => (
3094                "Failed to Launch",
3095                msg.into(),
3096                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3097            ),
3098        };
3099
3100        Callout::new()
3101            .severity(Severity::Error)
3102            .icon(IconName::XCircleFilled)
3103            .title(title)
3104            .description(message)
3105            .actions_slot(div().children(action_slot))
3106            .into_any_element()
3107    }
3108
3109    fn render_unsupported(
3110        &self,
3111        path: &SharedString,
3112        version: &SharedString,
3113        minimum_version: &SharedString,
3114        _window: &mut Window,
3115        cx: &mut Context<Self>,
3116    ) -> AnyElement {
3117        let (heading_label, description_label) = (
3118            format!("Upgrade {} to work with Zed", self.agent.name()),
3119            if version.is_empty() {
3120                format!(
3121                    "Currently using {}, which does not report a valid --version",
3122                    path,
3123                )
3124            } else {
3125                format!(
3126                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3127                    path, version
3128                )
3129            },
3130        );
3131
3132        v_flex()
3133            .w_full()
3134            .p_3p5()
3135            .gap_2p5()
3136            .border_t_1()
3137            .border_color(cx.theme().colors().border)
3138            .bg(linear_gradient(
3139                180.,
3140                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3141                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3142            ))
3143            .child(
3144                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3145                    Label::new(description_label)
3146                        .size(LabelSize::Small)
3147                        .color(Color::Muted),
3148                ),
3149            )
3150            .into_any_element()
3151    }
3152
3153    fn render_activity_bar(
3154        &self,
3155        thread_entity: &Entity<AcpThread>,
3156        window: &mut Window,
3157        cx: &Context<Self>,
3158    ) -> Option<AnyElement> {
3159        let thread = thread_entity.read(cx);
3160        let action_log = thread.action_log();
3161        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3162        let plan = thread.plan();
3163
3164        if changed_buffers.is_empty() && plan.is_empty() {
3165            return None;
3166        }
3167
3168        let editor_bg_color = cx.theme().colors().editor_background;
3169        let active_color = cx.theme().colors().element_selected;
3170        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
3171
3172        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3173        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3174        // be, which blocks you from being able to accept or reject edits. This switches the
3175        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3176        // block you from using the panel.
3177        let pending_edits = false;
3178
3179        v_flex()
3180            .mt_1()
3181            .mx_2()
3182            .bg(bg_edit_files_disclosure)
3183            .border_1()
3184            .border_b_0()
3185            .border_color(cx.theme().colors().border)
3186            .rounded_t_md()
3187            .shadow(vec![gpui::BoxShadow {
3188                color: gpui::black().opacity(0.15),
3189                offset: point(px(1.), px(-1.)),
3190                blur_radius: px(3.),
3191                spread_radius: px(0.),
3192            }])
3193            .when(!plan.is_empty(), |this| {
3194                this.child(self.render_plan_summary(plan, window, cx))
3195                    .when(self.plan_expanded, |parent| {
3196                        parent.child(self.render_plan_entries(plan, window, cx))
3197                    })
3198            })
3199            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3200                this.child(Divider::horizontal().color(DividerColor::Border))
3201            })
3202            .when(!changed_buffers.is_empty(), |this| {
3203                this.child(self.render_edits_summary(
3204                    &changed_buffers,
3205                    self.edits_expanded,
3206                    pending_edits,
3207                    window,
3208                    cx,
3209                ))
3210                .when(self.edits_expanded, |parent| {
3211                    parent.child(self.render_edited_files(
3212                        action_log,
3213                        &changed_buffers,
3214                        pending_edits,
3215                        cx,
3216                    ))
3217                })
3218            })
3219            .into_any()
3220            .into()
3221    }
3222
3223    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3224        let stats = plan.stats();
3225
3226        let title = if let Some(entry) = stats.in_progress_entry
3227            && !self.plan_expanded
3228        {
3229            h_flex()
3230                .w_full()
3231                .cursor_default()
3232                .gap_1()
3233                .text_xs()
3234                .text_color(cx.theme().colors().text_muted)
3235                .justify_between()
3236                .child(
3237                    h_flex()
3238                        .gap_1()
3239                        .child(
3240                            Label::new("Current:")
3241                                .size(LabelSize::Small)
3242                                .color(Color::Muted),
3243                        )
3244                        .child(MarkdownElement::new(
3245                            entry.content.clone(),
3246                            plan_label_markdown_style(&entry.status, window, cx),
3247                        )),
3248                )
3249                .when(stats.pending > 0, |this| {
3250                    this.child(
3251                        Label::new(format!("{} left", stats.pending))
3252                            .size(LabelSize::Small)
3253                            .color(Color::Muted)
3254                            .mr_1(),
3255                    )
3256                })
3257        } else {
3258            let status_label = if stats.pending == 0 {
3259                "All Done".to_string()
3260            } else if stats.completed == 0 {
3261                format!("{} Tasks", plan.entries.len())
3262            } else {
3263                format!("{}/{}", stats.completed, plan.entries.len())
3264            };
3265
3266            h_flex()
3267                .w_full()
3268                .gap_1()
3269                .justify_between()
3270                .child(
3271                    Label::new("Plan")
3272                        .size(LabelSize::Small)
3273                        .color(Color::Muted),
3274                )
3275                .child(
3276                    Label::new(status_label)
3277                        .size(LabelSize::Small)
3278                        .color(Color::Muted)
3279                        .mr_1(),
3280                )
3281        };
3282
3283        h_flex()
3284            .p_1()
3285            .justify_between()
3286            .when(self.plan_expanded, |this| {
3287                this.border_b_1().border_color(cx.theme().colors().border)
3288            })
3289            .child(
3290                h_flex()
3291                    .id("plan_summary")
3292                    .w_full()
3293                    .gap_1()
3294                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3295                    .child(title)
3296                    .on_click(cx.listener(|this, _, _, cx| {
3297                        this.plan_expanded = !this.plan_expanded;
3298                        cx.notify();
3299                    })),
3300            )
3301    }
3302
3303    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3304        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3305            let element = h_flex()
3306                .py_1()
3307                .px_2()
3308                .gap_2()
3309                .justify_between()
3310                .bg(cx.theme().colors().editor_background)
3311                .when(index < plan.entries.len() - 1, |parent| {
3312                    parent.border_color(cx.theme().colors().border).border_b_1()
3313                })
3314                .child(
3315                    h_flex()
3316                        .id(("plan_entry", index))
3317                        .gap_1p5()
3318                        .max_w_full()
3319                        .overflow_x_scroll()
3320                        .text_xs()
3321                        .text_color(cx.theme().colors().text_muted)
3322                        .child(match entry.status {
3323                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3324                                .size(IconSize::Small)
3325                                .color(Color::Muted)
3326                                .into_any_element(),
3327                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3328                                .size(IconSize::Small)
3329                                .color(Color::Accent)
3330                                .with_animation(
3331                                    "running",
3332                                    Animation::new(Duration::from_secs(2)).repeat(),
3333                                    |icon, delta| {
3334                                        icon.transform(Transformation::rotate(percentage(delta)))
3335                                    },
3336                                )
3337                                .into_any_element(),
3338                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3339                                .size(IconSize::Small)
3340                                .color(Color::Success)
3341                                .into_any_element(),
3342                        })
3343                        .child(MarkdownElement::new(
3344                            entry.content.clone(),
3345                            plan_label_markdown_style(&entry.status, window, cx),
3346                        )),
3347                );
3348
3349            Some(element)
3350        }))
3351    }
3352
3353    fn render_edits_summary(
3354        &self,
3355        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3356        expanded: bool,
3357        pending_edits: bool,
3358        window: &mut Window,
3359        cx: &Context<Self>,
3360    ) -> Div {
3361        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3362
3363        let focus_handle = self.focus_handle(cx);
3364
3365        h_flex()
3366            .p_1()
3367            .justify_between()
3368            .flex_wrap()
3369            .when(expanded, |this| {
3370                this.border_b_1().border_color(cx.theme().colors().border)
3371            })
3372            .child(
3373                h_flex()
3374                    .id("edits-container")
3375                    .gap_1()
3376                    .child(Disclosure::new("edits-disclosure", expanded))
3377                    .map(|this| {
3378                        if pending_edits {
3379                            this.child(
3380                                Label::new(format!(
3381                                    "Editing {} {}",
3382                                    changed_buffers.len(),
3383                                    if changed_buffers.len() == 1 {
3384                                        "file"
3385                                    } else {
3386                                        "files"
3387                                    }
3388                                ))
3389                                .color(Color::Muted)
3390                                .size(LabelSize::Small)
3391                                .with_animation(
3392                                    "edit-label",
3393                                    Animation::new(Duration::from_secs(2))
3394                                        .repeat()
3395                                        .with_easing(pulsating_between(0.3, 0.7)),
3396                                    |label, delta| label.alpha(delta),
3397                                ),
3398                            )
3399                        } else {
3400                            this.child(
3401                                Label::new("Edits")
3402                                    .size(LabelSize::Small)
3403                                    .color(Color::Muted),
3404                            )
3405                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3406                            .child(
3407                                Label::new(format!(
3408                                    "{} {}",
3409                                    changed_buffers.len(),
3410                                    if changed_buffers.len() == 1 {
3411                                        "file"
3412                                    } else {
3413                                        "files"
3414                                    }
3415                                ))
3416                                .size(LabelSize::Small)
3417                                .color(Color::Muted),
3418                            )
3419                        }
3420                    })
3421                    .on_click(cx.listener(|this, _, _, cx| {
3422                        this.edits_expanded = !this.edits_expanded;
3423                        cx.notify();
3424                    })),
3425            )
3426            .child(
3427                h_flex()
3428                    .gap_1()
3429                    .child(
3430                        IconButton::new("review-changes", IconName::ListTodo)
3431                            .icon_size(IconSize::Small)
3432                            .tooltip({
3433                                let focus_handle = focus_handle.clone();
3434                                move |window, cx| {
3435                                    Tooltip::for_action_in(
3436                                        "Review Changes",
3437                                        &OpenAgentDiff,
3438                                        &focus_handle,
3439                                        window,
3440                                        cx,
3441                                    )
3442                                }
3443                            })
3444                            .on_click(cx.listener(|_, _, window, cx| {
3445                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3446                            })),
3447                    )
3448                    .child(Divider::vertical().color(DividerColor::Border))
3449                    .child(
3450                        Button::new("reject-all-changes", "Reject All")
3451                            .label_size(LabelSize::Small)
3452                            .disabled(pending_edits)
3453                            .when(pending_edits, |this| {
3454                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3455                            })
3456                            .key_binding(
3457                                KeyBinding::for_action_in(
3458                                    &RejectAll,
3459                                    &focus_handle.clone(),
3460                                    window,
3461                                    cx,
3462                                )
3463                                .map(|kb| kb.size(rems_from_px(10.))),
3464                            )
3465                            .on_click(cx.listener(move |this, _, window, cx| {
3466                                this.reject_all(&RejectAll, window, cx);
3467                            })),
3468                    )
3469                    .child(
3470                        Button::new("keep-all-changes", "Keep All")
3471                            .label_size(LabelSize::Small)
3472                            .disabled(pending_edits)
3473                            .when(pending_edits, |this| {
3474                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3475                            })
3476                            .key_binding(
3477                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3478                                    .map(|kb| kb.size(rems_from_px(10.))),
3479                            )
3480                            .on_click(cx.listener(move |this, _, window, cx| {
3481                                this.keep_all(&KeepAll, window, cx);
3482                            })),
3483                    ),
3484            )
3485    }
3486
3487    fn render_edited_files(
3488        &self,
3489        action_log: &Entity<ActionLog>,
3490        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3491        pending_edits: bool,
3492        cx: &Context<Self>,
3493    ) -> Div {
3494        let editor_bg_color = cx.theme().colors().editor_background;
3495
3496        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3497            |(index, (buffer, _diff))| {
3498                let file = buffer.read(cx).file()?;
3499                let path = file.path();
3500
3501                let file_path = path.parent().and_then(|parent| {
3502                    let parent_str = parent.to_string_lossy();
3503
3504                    if parent_str.is_empty() {
3505                        None
3506                    } else {
3507                        Some(
3508                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3509                                .color(Color::Muted)
3510                                .size(LabelSize::XSmall)
3511                                .buffer_font(cx),
3512                        )
3513                    }
3514                });
3515
3516                let file_name = path.file_name().map(|name| {
3517                    Label::new(name.to_string_lossy().to_string())
3518                        .size(LabelSize::XSmall)
3519                        .buffer_font(cx)
3520                });
3521
3522                let file_icon = FileIcons::get_icon(path, cx)
3523                    .map(Icon::from_path)
3524                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3525                    .unwrap_or_else(|| {
3526                        Icon::new(IconName::File)
3527                            .color(Color::Muted)
3528                            .size(IconSize::Small)
3529                    });
3530
3531                let overlay_gradient = linear_gradient(
3532                    90.,
3533                    linear_color_stop(editor_bg_color, 1.),
3534                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3535                );
3536
3537                let element = h_flex()
3538                    .group("edited-code")
3539                    .id(("file-container", index))
3540                    .py_1()
3541                    .pl_2()
3542                    .pr_1()
3543                    .gap_2()
3544                    .justify_between()
3545                    .bg(editor_bg_color)
3546                    .when(index < changed_buffers.len() - 1, |parent| {
3547                        parent.border_color(cx.theme().colors().border).border_b_1()
3548                    })
3549                    .child(
3550                        h_flex()
3551                            .relative()
3552                            .id(("file-name", index))
3553                            .pr_8()
3554                            .gap_1p5()
3555                            .max_w_full()
3556                            .overflow_x_scroll()
3557                            .child(file_icon)
3558                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3559                            .child(
3560                                div()
3561                                    .absolute()
3562                                    .h_full()
3563                                    .w_12()
3564                                    .top_0()
3565                                    .bottom_0()
3566                                    .right_0()
3567                                    .bg(overlay_gradient),
3568                            )
3569                            .on_click({
3570                                let buffer = buffer.clone();
3571                                cx.listener(move |this, _, window, cx| {
3572                                    this.open_edited_buffer(&buffer, window, cx);
3573                                })
3574                            }),
3575                    )
3576                    .child(
3577                        h_flex()
3578                            .gap_1()
3579                            .visible_on_hover("edited-code")
3580                            .child(
3581                                Button::new("review", "Review")
3582                                    .label_size(LabelSize::Small)
3583                                    .on_click({
3584                                        let buffer = buffer.clone();
3585                                        cx.listener(move |this, _, window, cx| {
3586                                            this.open_edited_buffer(&buffer, window, cx);
3587                                        })
3588                                    }),
3589                            )
3590                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3591                            .child(
3592                                Button::new("reject-file", "Reject")
3593                                    .label_size(LabelSize::Small)
3594                                    .disabled(pending_edits)
3595                                    .on_click({
3596                                        let buffer = buffer.clone();
3597                                        let action_log = action_log.clone();
3598                                        move |_, _, cx| {
3599                                            action_log.update(cx, |action_log, cx| {
3600                                                action_log
3601                                                    .reject_edits_in_ranges(
3602                                                        buffer.clone(),
3603                                                        vec![Anchor::MIN..Anchor::MAX],
3604                                                        cx,
3605                                                    )
3606                                                    .detach_and_log_err(cx);
3607                                            })
3608                                        }
3609                                    }),
3610                            )
3611                            .child(
3612                                Button::new("keep-file", "Keep")
3613                                    .label_size(LabelSize::Small)
3614                                    .disabled(pending_edits)
3615                                    .on_click({
3616                                        let buffer = buffer.clone();
3617                                        let action_log = action_log.clone();
3618                                        move |_, _, cx| {
3619                                            action_log.update(cx, |action_log, cx| {
3620                                                action_log.keep_edits_in_range(
3621                                                    buffer.clone(),
3622                                                    Anchor::MIN..Anchor::MAX,
3623                                                    cx,
3624                                                );
3625                                            })
3626                                        }
3627                                    }),
3628                            ),
3629                    );
3630
3631                Some(element)
3632            },
3633        ))
3634    }
3635
3636    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3637        let focus_handle = self.message_editor.focus_handle(cx);
3638        let editor_bg_color = cx.theme().colors().editor_background;
3639        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3640            (IconName::Minimize, "Minimize Message Editor")
3641        } else {
3642            (IconName::Maximize, "Expand Message Editor")
3643        };
3644
3645        let backdrop = div()
3646            .size_full()
3647            .absolute()
3648            .inset_0()
3649            .bg(cx.theme().colors().panel_background)
3650            .opacity(0.8)
3651            .block_mouse_except_scroll();
3652
3653        let enable_editor = match self.thread_state {
3654            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3655            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3656        };
3657
3658        v_flex()
3659            .on_action(cx.listener(Self::expand_message_editor))
3660            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3661                if let Some(profile_selector) = this.profile_selector.as_ref() {
3662                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3663                }
3664            }))
3665            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3666                if let Some(model_selector) = this.model_selector.as_ref() {
3667                    model_selector
3668                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3669                }
3670            }))
3671            .p_2()
3672            .gap_2()
3673            .border_t_1()
3674            .border_color(cx.theme().colors().border)
3675            .bg(editor_bg_color)
3676            .when(self.editor_expanded, |this| {
3677                this.h(vh(0.8, window)).size_full().justify_between()
3678            })
3679            .child(
3680                v_flex()
3681                    .relative()
3682                    .size_full()
3683                    .pt_1()
3684                    .pr_2p5()
3685                    .child(self.message_editor.clone())
3686                    .child(
3687                        h_flex()
3688                            .absolute()
3689                            .top_0()
3690                            .right_0()
3691                            .opacity(0.5)
3692                            .hover(|this| this.opacity(1.0))
3693                            .child(
3694                                IconButton::new("toggle-height", expand_icon)
3695                                    .icon_size(IconSize::Small)
3696                                    .icon_color(Color::Muted)
3697                                    .tooltip({
3698                                        move |window, cx| {
3699                                            Tooltip::for_action_in(
3700                                                expand_tooltip,
3701                                                &ExpandMessageEditor,
3702                                                &focus_handle,
3703                                                window,
3704                                                cx,
3705                                            )
3706                                        }
3707                                    })
3708                                    .on_click(cx.listener(|_, _, window, cx| {
3709                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3710                                    })),
3711                            ),
3712                    ),
3713            )
3714            .child(
3715                h_flex()
3716                    .flex_none()
3717                    .flex_wrap()
3718                    .justify_between()
3719                    .child(
3720                        h_flex()
3721                            .child(self.render_follow_toggle(cx))
3722                            .children(self.render_burn_mode_toggle(cx)),
3723                    )
3724                    .child(
3725                        h_flex()
3726                            .gap_1()
3727                            .children(self.render_token_usage(cx))
3728                            .children(self.profile_selector.clone())
3729                            .children(self.model_selector.clone())
3730                            .child(self.render_send_button(cx)),
3731                    ),
3732            )
3733            .when(!enable_editor, |this| this.child(backdrop))
3734            .into_any()
3735    }
3736
3737    pub(crate) fn as_native_connection(
3738        &self,
3739        cx: &App,
3740    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3741        let acp_thread = self.thread()?.read(cx);
3742        acp_thread.connection().clone().downcast()
3743    }
3744
3745    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3746        let acp_thread = self.thread()?.read(cx);
3747        self.as_native_connection(cx)?
3748            .thread(acp_thread.session_id(), cx)
3749    }
3750
3751    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3752        self.as_native_thread(cx)
3753            .and_then(|thread| thread.read(cx).model())
3754            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3755    }
3756
3757    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3758        let thread = self.thread()?.read(cx);
3759        let usage = thread.token_usage()?;
3760        let is_generating = thread.status() != ThreadStatus::Idle;
3761
3762        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3763        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3764
3765        Some(
3766            h_flex()
3767                .flex_shrink_0()
3768                .gap_0p5()
3769                .mr_1p5()
3770                .child(
3771                    Label::new(used)
3772                        .size(LabelSize::Small)
3773                        .color(Color::Muted)
3774                        .map(|label| {
3775                            if is_generating {
3776                                label
3777                                    .with_animation(
3778                                        "used-tokens-label",
3779                                        Animation::new(Duration::from_secs(2))
3780                                            .repeat()
3781                                            .with_easing(pulsating_between(0.3, 0.8)),
3782                                        |label, delta| label.alpha(delta),
3783                                    )
3784                                    .into_any()
3785                            } else {
3786                                label.into_any_element()
3787                            }
3788                        }),
3789                )
3790                .child(
3791                    Label::new("/")
3792                        .size(LabelSize::Small)
3793                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3794                )
3795                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3796        )
3797    }
3798
3799    fn toggle_burn_mode(
3800        &mut self,
3801        _: &ToggleBurnMode,
3802        _window: &mut Window,
3803        cx: &mut Context<Self>,
3804    ) {
3805        let Some(thread) = self.as_native_thread(cx) else {
3806            return;
3807        };
3808
3809        thread.update(cx, |thread, cx| {
3810            let current_mode = thread.completion_mode();
3811            thread.set_completion_mode(
3812                match current_mode {
3813                    CompletionMode::Burn => CompletionMode::Normal,
3814                    CompletionMode::Normal => CompletionMode::Burn,
3815                },
3816                cx,
3817            );
3818        });
3819    }
3820
3821    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3822        let Some(thread) = self.thread() else {
3823            return;
3824        };
3825        let action_log = thread.read(cx).action_log().clone();
3826        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3827    }
3828
3829    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3830        let Some(thread) = self.thread() else {
3831            return;
3832        };
3833        let action_log = thread.read(cx).action_log().clone();
3834        action_log
3835            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3836            .detach();
3837    }
3838
3839    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3840        let thread = self.as_native_thread(cx)?.read(cx);
3841
3842        if thread
3843            .model()
3844            .is_none_or(|model| !model.supports_burn_mode())
3845        {
3846            return None;
3847        }
3848
3849        let active_completion_mode = thread.completion_mode();
3850        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3851        let icon = if burn_mode_enabled {
3852            IconName::ZedBurnModeOn
3853        } else {
3854            IconName::ZedBurnMode
3855        };
3856
3857        Some(
3858            IconButton::new("burn-mode", icon)
3859                .icon_size(IconSize::Small)
3860                .icon_color(Color::Muted)
3861                .toggle_state(burn_mode_enabled)
3862                .selected_icon_color(Color::Error)
3863                .on_click(cx.listener(|this, _event, window, cx| {
3864                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3865                }))
3866                .tooltip(move |_window, cx| {
3867                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3868                        .into()
3869                })
3870                .into_any_element(),
3871        )
3872    }
3873
3874    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3875        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3876        let is_generating = self
3877            .thread()
3878            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3879
3880        if self.is_loading_contents {
3881            div()
3882                .id("loading-message-content")
3883                .px_1()
3884                .tooltip(Tooltip::text("Loading Added Context…"))
3885                .child(loading_contents_spinner(IconSize::default()))
3886                .into_any_element()
3887        } else if is_generating && is_editor_empty {
3888            IconButton::new("stop-generation", IconName::Stop)
3889                .icon_color(Color::Error)
3890                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3891                .tooltip(move |window, cx| {
3892                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3893                })
3894                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3895                .into_any_element()
3896        } else {
3897            let send_btn_tooltip = if is_editor_empty && !is_generating {
3898                "Type to Send"
3899            } else if is_generating {
3900                "Stop and Send Message"
3901            } else {
3902                "Send"
3903            };
3904
3905            IconButton::new("send-message", IconName::Send)
3906                .style(ButtonStyle::Filled)
3907                .map(|this| {
3908                    if is_editor_empty && !is_generating {
3909                        this.disabled(true).icon_color(Color::Muted)
3910                    } else {
3911                        this.icon_color(Color::Accent)
3912                    }
3913                })
3914                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3915                .on_click(cx.listener(|this, _, window, cx| {
3916                    this.send(window, cx);
3917                }))
3918                .into_any_element()
3919        }
3920    }
3921
3922    fn is_following(&self, cx: &App) -> bool {
3923        match self.thread().map(|thread| thread.read(cx).status()) {
3924            Some(ThreadStatus::Generating) => self
3925                .workspace
3926                .read_with(cx, |workspace, _| {
3927                    workspace.is_being_followed(CollaboratorId::Agent)
3928                })
3929                .unwrap_or(false),
3930            _ => self.should_be_following,
3931        }
3932    }
3933
3934    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3935        let following = self.is_following(cx);
3936
3937        self.should_be_following = !following;
3938        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
3939            self.workspace
3940                .update(cx, |workspace, cx| {
3941                    if following {
3942                        workspace.unfollow(CollaboratorId::Agent, window, cx);
3943                    } else {
3944                        workspace.follow(CollaboratorId::Agent, window, cx);
3945                    }
3946                })
3947                .ok();
3948        }
3949
3950        telemetry::event!("Follow Agent Selected", following = !following);
3951    }
3952
3953    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3954        let following = self.is_following(cx);
3955
3956        let tooltip_label = if following {
3957            if self.agent.name() == "Zed Agent" {
3958                format!("Stop Following the {}", self.agent.name())
3959            } else {
3960                format!("Stop Following {}", self.agent.name())
3961            }
3962        } else {
3963            if self.agent.name() == "Zed Agent" {
3964                format!("Follow the {}", self.agent.name())
3965            } else {
3966                format!("Follow {}", self.agent.name())
3967            }
3968        };
3969
3970        IconButton::new("follow-agent", IconName::Crosshair)
3971            .icon_size(IconSize::Small)
3972            .icon_color(Color::Muted)
3973            .toggle_state(following)
3974            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3975            .tooltip(move |window, cx| {
3976                if following {
3977                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
3978                } else {
3979                    Tooltip::with_meta(
3980                        tooltip_label.clone(),
3981                        Some(&Follow),
3982                        "Track the agent's location as it reads and edits files.",
3983                        window,
3984                        cx,
3985                    )
3986                }
3987            })
3988            .on_click(cx.listener(move |this, _, window, cx| {
3989                this.toggle_following(window, cx);
3990            }))
3991    }
3992
3993    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
3994        let workspace = self.workspace.clone();
3995        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
3996            Self::open_link(text, &workspace, window, cx);
3997        })
3998    }
3999
4000    fn open_link(
4001        url: SharedString,
4002        workspace: &WeakEntity<Workspace>,
4003        window: &mut Window,
4004        cx: &mut App,
4005    ) {
4006        let Some(workspace) = workspace.upgrade() else {
4007            cx.open_url(&url);
4008            return;
4009        };
4010
4011        if let Some(mention) = MentionUri::parse(&url).log_err() {
4012            workspace.update(cx, |workspace, cx| match mention {
4013                MentionUri::File { abs_path } => {
4014                    let project = workspace.project();
4015                    let Some(path) =
4016                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4017                    else {
4018                        return;
4019                    };
4020
4021                    workspace
4022                        .open_path(path, None, true, window, cx)
4023                        .detach_and_log_err(cx);
4024                }
4025                MentionUri::PastedImage => {}
4026                MentionUri::Directory { abs_path } => {
4027                    let project = workspace.project();
4028                    let Some(entry) = project.update(cx, |project, cx| {
4029                        let path = project.find_project_path(abs_path, cx)?;
4030                        project.entry_for_path(&path, cx)
4031                    }) else {
4032                        return;
4033                    };
4034
4035                    project.update(cx, |_, cx| {
4036                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
4037                    });
4038                }
4039                MentionUri::Symbol {
4040                    abs_path: path,
4041                    line_range,
4042                    ..
4043                }
4044                | MentionUri::Selection {
4045                    abs_path: Some(path),
4046                    line_range,
4047                } => {
4048                    let project = workspace.project();
4049                    let Some((path, _)) = project.update(cx, |project, cx| {
4050                        let path = project.find_project_path(path, cx)?;
4051                        let entry = project.entry_for_path(&path, cx)?;
4052                        Some((path, entry))
4053                    }) else {
4054                        return;
4055                    };
4056
4057                    let item = workspace.open_path(path, None, true, window, cx);
4058                    window
4059                        .spawn(cx, async move |cx| {
4060                            let Some(editor) = item.await?.downcast::<Editor>() else {
4061                                return Ok(());
4062                            };
4063                            let range = Point::new(*line_range.start(), 0)
4064                                ..Point::new(*line_range.start(), 0);
4065                            editor
4066                                .update_in(cx, |editor, window, cx| {
4067                                    editor.change_selections(
4068                                        SelectionEffects::scroll(Autoscroll::center()),
4069                                        window,
4070                                        cx,
4071                                        |s| s.select_ranges(vec![range]),
4072                                    );
4073                                })
4074                                .ok();
4075                            anyhow::Ok(())
4076                        })
4077                        .detach_and_log_err(cx);
4078                }
4079                MentionUri::Selection { abs_path: None, .. } => {}
4080                MentionUri::Thread { id, name } => {
4081                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4082                        panel.update(cx, |panel, cx| {
4083                            panel.load_agent_thread(
4084                                DbThreadMetadata {
4085                                    id,
4086                                    title: name.into(),
4087                                    updated_at: Default::default(),
4088                                },
4089                                window,
4090                                cx,
4091                            )
4092                        });
4093                    }
4094                }
4095                MentionUri::TextThread { path, .. } => {
4096                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4097                        panel.update(cx, |panel, cx| {
4098                            panel
4099                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
4100                                .detach_and_log_err(cx);
4101                        });
4102                    }
4103                }
4104                MentionUri::Rule { id, .. } => {
4105                    let PromptId::User { uuid } = id else {
4106                        return;
4107                    };
4108                    window.dispatch_action(
4109                        Box::new(OpenRulesLibrary {
4110                            prompt_to_select: Some(uuid.0),
4111                        }),
4112                        cx,
4113                    )
4114                }
4115                MentionUri::Fetch { url } => {
4116                    cx.open_url(url.as_str());
4117                }
4118            })
4119        } else {
4120            cx.open_url(&url);
4121        }
4122    }
4123
4124    fn open_tool_call_location(
4125        &self,
4126        entry_ix: usize,
4127        location_ix: usize,
4128        window: &mut Window,
4129        cx: &mut Context<Self>,
4130    ) -> Option<()> {
4131        let (tool_call_location, agent_location) = self
4132            .thread()?
4133            .read(cx)
4134            .entries()
4135            .get(entry_ix)?
4136            .location(location_ix)?;
4137
4138        let project_path = self
4139            .project
4140            .read(cx)
4141            .find_project_path(&tool_call_location.path, cx)?;
4142
4143        let open_task = self
4144            .workspace
4145            .update(cx, |workspace, cx| {
4146                workspace.open_path(project_path, None, true, window, cx)
4147            })
4148            .log_err()?;
4149        window
4150            .spawn(cx, async move |cx| {
4151                let item = open_task.await?;
4152
4153                let Some(active_editor) = item.downcast::<Editor>() else {
4154                    return anyhow::Ok(());
4155                };
4156
4157                active_editor.update_in(cx, |editor, window, cx| {
4158                    let multibuffer = editor.buffer().read(cx);
4159                    let buffer = multibuffer.as_singleton();
4160                    if agent_location.buffer.upgrade() == buffer {
4161                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4162                        let anchor = editor::Anchor::in_buffer(
4163                            excerpt_id.unwrap(),
4164                            buffer.unwrap().read(cx).remote_id(),
4165                            agent_location.position,
4166                        );
4167                        editor.change_selections(Default::default(), window, cx, |selections| {
4168                            selections.select_anchor_ranges([anchor..anchor]);
4169                        })
4170                    } else {
4171                        let row = tool_call_location.line.unwrap_or_default();
4172                        editor.change_selections(Default::default(), window, cx, |selections| {
4173                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4174                        })
4175                    }
4176                })?;
4177
4178                anyhow::Ok(())
4179            })
4180            .detach_and_log_err(cx);
4181
4182        None
4183    }
4184
4185    pub fn open_thread_as_markdown(
4186        &self,
4187        workspace: Entity<Workspace>,
4188        window: &mut Window,
4189        cx: &mut App,
4190    ) -> Task<Result<()>> {
4191        let markdown_language_task = workspace
4192            .read(cx)
4193            .app_state()
4194            .languages
4195            .language_for_name("Markdown");
4196
4197        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4198            let thread = thread.read(cx);
4199            (thread.title().to_string(), thread.to_markdown(cx))
4200        } else {
4201            return Task::ready(Ok(()));
4202        };
4203
4204        window.spawn(cx, async move |cx| {
4205            let markdown_language = markdown_language_task.await?;
4206
4207            workspace.update_in(cx, |workspace, window, cx| {
4208                let project = workspace.project().clone();
4209
4210                if !project.read(cx).is_local() {
4211                    bail!("failed to open active thread as markdown in remote project");
4212                }
4213
4214                let buffer = project.update(cx, |project, cx| {
4215                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
4216                });
4217                let buffer = cx.new(|cx| {
4218                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4219                });
4220
4221                workspace.add_item_to_active_pane(
4222                    Box::new(cx.new(|cx| {
4223                        let mut editor =
4224                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4225                        editor.set_breadcrumb_header(thread_summary);
4226                        editor
4227                    })),
4228                    None,
4229                    true,
4230                    window,
4231                    cx,
4232                );
4233
4234                anyhow::Ok(())
4235            })??;
4236            anyhow::Ok(())
4237        })
4238    }
4239
4240    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4241        self.list_state.scroll_to(ListOffset::default());
4242        cx.notify();
4243    }
4244
4245    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4246        if let Some(thread) = self.thread() {
4247            let entry_count = thread.read(cx).entries().len();
4248            self.list_state.reset(entry_count);
4249            cx.notify();
4250        }
4251    }
4252
4253    fn notify_with_sound(
4254        &mut self,
4255        caption: impl Into<SharedString>,
4256        icon: IconName,
4257        window: &mut Window,
4258        cx: &mut Context<Self>,
4259    ) {
4260        self.play_notification_sound(window, cx);
4261        self.show_notification(caption, icon, window, cx);
4262    }
4263
4264    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4265        let settings = AgentSettings::get_global(cx);
4266        if settings.play_sound_when_agent_done && !window.is_window_active() {
4267            Audio::play_sound(Sound::AgentDone, cx);
4268        }
4269    }
4270
4271    fn show_notification(
4272        &mut self,
4273        caption: impl Into<SharedString>,
4274        icon: IconName,
4275        window: &mut Window,
4276        cx: &mut Context<Self>,
4277    ) {
4278        if window.is_window_active() || !self.notifications.is_empty() {
4279            return;
4280        }
4281
4282        // TODO: Change this once we have title summarization for external agents.
4283        let title = self.agent.name();
4284
4285        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4286            NotifyWhenAgentWaiting::PrimaryScreen => {
4287                if let Some(primary) = cx.primary_display() {
4288                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4289                }
4290            }
4291            NotifyWhenAgentWaiting::AllScreens => {
4292                let caption = caption.into();
4293                for screen in cx.displays() {
4294                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4295                }
4296            }
4297            NotifyWhenAgentWaiting::Never => {
4298                // Don't show anything
4299            }
4300        }
4301    }
4302
4303    fn pop_up(
4304        &mut self,
4305        icon: IconName,
4306        caption: SharedString,
4307        title: SharedString,
4308        window: &mut Window,
4309        screen: Rc<dyn PlatformDisplay>,
4310        cx: &mut Context<Self>,
4311    ) {
4312        let options = AgentNotification::window_options(screen, cx);
4313
4314        let project_name = self.workspace.upgrade().and_then(|workspace| {
4315            workspace
4316                .read(cx)
4317                .project()
4318                .read(cx)
4319                .visible_worktrees(cx)
4320                .next()
4321                .map(|worktree| worktree.read(cx).root_name().to_string())
4322        });
4323
4324        if let Some(screen_window) = cx
4325            .open_window(options, |_, cx| {
4326                cx.new(|_| {
4327                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4328                })
4329            })
4330            .log_err()
4331            && let Some(pop_up) = screen_window.entity(cx).log_err()
4332        {
4333            self.notification_subscriptions
4334                .entry(screen_window)
4335                .or_insert_with(Vec::new)
4336                .push(cx.subscribe_in(&pop_up, window, {
4337                    |this, _, event, window, cx| match event {
4338                        AgentNotificationEvent::Accepted => {
4339                            let handle = window.window_handle();
4340                            cx.activate(true);
4341
4342                            let workspace_handle = this.workspace.clone();
4343
4344                            // If there are multiple Zed windows, activate the correct one.
4345                            cx.defer(move |cx| {
4346                                handle
4347                                    .update(cx, |_view, window, _cx| {
4348                                        window.activate_window();
4349
4350                                        if let Some(workspace) = workspace_handle.upgrade() {
4351                                            workspace.update(_cx, |workspace, cx| {
4352                                                workspace.focus_panel::<AgentPanel>(window, cx);
4353                                            });
4354                                        }
4355                                    })
4356                                    .log_err();
4357                            });
4358
4359                            this.dismiss_notifications(cx);
4360                        }
4361                        AgentNotificationEvent::Dismissed => {
4362                            this.dismiss_notifications(cx);
4363                        }
4364                    }
4365                }));
4366
4367            self.notifications.push(screen_window);
4368
4369            // If the user manually refocuses the original window, dismiss the popup.
4370            self.notification_subscriptions
4371                .entry(screen_window)
4372                .or_insert_with(Vec::new)
4373                .push({
4374                    let pop_up_weak = pop_up.downgrade();
4375
4376                    cx.observe_window_activation(window, move |_, window, cx| {
4377                        if window.is_window_active()
4378                            && let Some(pop_up) = pop_up_weak.upgrade()
4379                        {
4380                            pop_up.update(cx, |_, cx| {
4381                                cx.emit(AgentNotificationEvent::Dismissed);
4382                            });
4383                        }
4384                    })
4385                });
4386        }
4387    }
4388
4389    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4390        for window in self.notifications.drain(..) {
4391            window
4392                .update(cx, |_, window, _| {
4393                    window.remove_window();
4394                })
4395                .ok();
4396
4397            self.notification_subscriptions.remove(&window);
4398        }
4399    }
4400
4401    fn render_thread_controls(
4402        &self,
4403        thread: &Entity<AcpThread>,
4404        cx: &Context<Self>,
4405    ) -> impl IntoElement {
4406        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4407        if is_generating {
4408            return h_flex().id("thread-controls-container").child(
4409                div()
4410                    .py_2()
4411                    .px(rems_from_px(22.))
4412                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4413            );
4414        }
4415
4416        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4417            .shape(ui::IconButtonShape::Square)
4418            .icon_size(IconSize::Small)
4419            .icon_color(Color::Ignored)
4420            .tooltip(Tooltip::text("Open Thread as Markdown"))
4421            .on_click(cx.listener(move |this, _, window, cx| {
4422                if let Some(workspace) = this.workspace.upgrade() {
4423                    this.open_thread_as_markdown(workspace, window, cx)
4424                        .detach_and_log_err(cx);
4425                }
4426            }));
4427
4428        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4429            .shape(ui::IconButtonShape::Square)
4430            .icon_size(IconSize::Small)
4431            .icon_color(Color::Ignored)
4432            .tooltip(Tooltip::text("Scroll To Top"))
4433            .on_click(cx.listener(move |this, _, _, cx| {
4434                this.scroll_to_top(cx);
4435            }));
4436
4437        let mut container = h_flex()
4438            .id("thread-controls-container")
4439            .group("thread-controls-container")
4440            .w_full()
4441            .py_2()
4442            .px_5()
4443            .gap_px()
4444            .opacity(0.6)
4445            .hover(|style| style.opacity(1.))
4446            .flex_wrap()
4447            .justify_end();
4448
4449        if AgentSettings::get_global(cx).enable_feedback
4450            && self
4451                .thread()
4452                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4453        {
4454            let feedback = self.thread_feedback.feedback;
4455
4456            container = container
4457                .child(
4458                    div().visible_on_hover("thread-controls-container").child(
4459                        Label::new(match feedback {
4460                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4461                            Some(ThreadFeedback::Negative) => {
4462                                "We appreciate your feedback and will use it to improve."
4463                            }
4464                            None => {
4465                                "Rating the thread sends all of your current conversation to the Zed team."
4466                            }
4467                        })
4468                        .color(Color::Muted)
4469                        .size(LabelSize::XSmall)
4470                        .truncate(),
4471                    ),
4472                )
4473                .child(
4474                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4475                        .shape(ui::IconButtonShape::Square)
4476                        .icon_size(IconSize::Small)
4477                        .icon_color(match feedback {
4478                            Some(ThreadFeedback::Positive) => Color::Accent,
4479                            _ => Color::Ignored,
4480                        })
4481                        .tooltip(Tooltip::text("Helpful Response"))
4482                        .on_click(cx.listener(move |this, _, window, cx| {
4483                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4484                        })),
4485                )
4486                .child(
4487                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4488                        .shape(ui::IconButtonShape::Square)
4489                        .icon_size(IconSize::Small)
4490                        .icon_color(match feedback {
4491                            Some(ThreadFeedback::Negative) => Color::Accent,
4492                            _ => Color::Ignored,
4493                        })
4494                        .tooltip(Tooltip::text("Not Helpful"))
4495                        .on_click(cx.listener(move |this, _, window, cx| {
4496                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4497                        })),
4498                );
4499        }
4500
4501        container.child(open_as_markdown).child(scroll_to_top)
4502    }
4503
4504    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4505        h_flex()
4506            .key_context("AgentFeedbackMessageEditor")
4507            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4508                this.thread_feedback.dismiss_comments();
4509                cx.notify();
4510            }))
4511            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4512                this.submit_feedback_message(cx);
4513            }))
4514            .p_2()
4515            .mb_2()
4516            .mx_5()
4517            .gap_1()
4518            .rounded_md()
4519            .border_1()
4520            .border_color(cx.theme().colors().border)
4521            .bg(cx.theme().colors().editor_background)
4522            .child(div().w_full().child(editor))
4523            .child(
4524                h_flex()
4525                    .child(
4526                        IconButton::new("dismiss-feedback-message", IconName::Close)
4527                            .icon_color(Color::Error)
4528                            .icon_size(IconSize::XSmall)
4529                            .shape(ui::IconButtonShape::Square)
4530                            .on_click(cx.listener(move |this, _, _window, cx| {
4531                                this.thread_feedback.dismiss_comments();
4532                                cx.notify();
4533                            })),
4534                    )
4535                    .child(
4536                        IconButton::new("submit-feedback-message", IconName::Return)
4537                            .icon_size(IconSize::XSmall)
4538                            .shape(ui::IconButtonShape::Square)
4539                            .on_click(cx.listener(move |this, _, _window, cx| {
4540                                this.submit_feedback_message(cx);
4541                            })),
4542                    ),
4543            )
4544    }
4545
4546    fn handle_feedback_click(
4547        &mut self,
4548        feedback: ThreadFeedback,
4549        window: &mut Window,
4550        cx: &mut Context<Self>,
4551    ) {
4552        let Some(thread) = self.thread().cloned() else {
4553            return;
4554        };
4555
4556        self.thread_feedback.submit(thread, feedback, window, cx);
4557        cx.notify();
4558    }
4559
4560    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4561        let Some(thread) = self.thread().cloned() else {
4562            return;
4563        };
4564
4565        self.thread_feedback.submit_comments(thread, cx);
4566        cx.notify();
4567    }
4568
4569    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4570        div()
4571            .id("acp-thread-scrollbar")
4572            .occlude()
4573            .on_mouse_move(cx.listener(|_, _, _, cx| {
4574                cx.notify();
4575                cx.stop_propagation()
4576            }))
4577            .on_hover(|_, _, cx| {
4578                cx.stop_propagation();
4579            })
4580            .on_any_mouse_down(|_, _, cx| {
4581                cx.stop_propagation();
4582            })
4583            .on_mouse_up(
4584                MouseButton::Left,
4585                cx.listener(|_, _, _, cx| {
4586                    cx.stop_propagation();
4587                }),
4588            )
4589            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4590                cx.notify();
4591            }))
4592            .h_full()
4593            .absolute()
4594            .right_1()
4595            .top_1()
4596            .bottom_0()
4597            .w(px(12.))
4598            .cursor_default()
4599            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4600    }
4601
4602    fn render_token_limit_callout(
4603        &self,
4604        line_height: Pixels,
4605        cx: &mut Context<Self>,
4606    ) -> Option<Callout> {
4607        let token_usage = self.thread()?.read(cx).token_usage()?;
4608        let ratio = token_usage.ratio();
4609
4610        let (severity, title) = match ratio {
4611            acp_thread::TokenUsageRatio::Normal => return None,
4612            acp_thread::TokenUsageRatio::Warning => {
4613                (Severity::Warning, "Thread reaching the token limit soon")
4614            }
4615            acp_thread::TokenUsageRatio::Exceeded => {
4616                (Severity::Error, "Thread reached the token limit")
4617            }
4618        };
4619
4620        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4621            thread.read(cx).completion_mode() == CompletionMode::Normal
4622                && thread
4623                    .read(cx)
4624                    .model()
4625                    .is_some_and(|model| model.supports_burn_mode())
4626        });
4627
4628        let description = if burn_mode_available {
4629            "To continue, start a new thread from a summary or turn Burn Mode on."
4630        } else {
4631            "To continue, start a new thread from a summary."
4632        };
4633
4634        Some(
4635            Callout::new()
4636                .severity(severity)
4637                .line_height(line_height)
4638                .title(title)
4639                .description(description)
4640                .actions_slot(
4641                    h_flex()
4642                        .gap_0p5()
4643                        .child(
4644                            Button::new("start-new-thread", "Start New Thread")
4645                                .label_size(LabelSize::Small)
4646                                .on_click(cx.listener(|this, _, window, cx| {
4647                                    let Some(thread) = this.thread() else {
4648                                        return;
4649                                    };
4650                                    let session_id = thread.read(cx).session_id().clone();
4651                                    window.dispatch_action(
4652                                        crate::NewNativeAgentThreadFromSummary {
4653                                            from_session_id: session_id,
4654                                        }
4655                                        .boxed_clone(),
4656                                        cx,
4657                                    );
4658                                })),
4659                        )
4660                        .when(burn_mode_available, |this| {
4661                            this.child(
4662                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4663                                    .icon_size(IconSize::XSmall)
4664                                    .on_click(cx.listener(|this, _event, window, cx| {
4665                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4666                                    })),
4667                            )
4668                        }),
4669                ),
4670        )
4671    }
4672
4673    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4674        if !self.is_using_zed_ai_models(cx) {
4675            return None;
4676        }
4677
4678        let user_store = self.project.read(cx).user_store().read(cx);
4679        if user_store.is_usage_based_billing_enabled() {
4680            return None;
4681        }
4682
4683        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4684
4685        let usage = user_store.model_request_usage()?;
4686
4687        Some(
4688            div()
4689                .child(UsageCallout::new(plan, usage))
4690                .line_height(line_height),
4691        )
4692    }
4693
4694    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4695        self.entry_view_state.update(cx, |entry_view_state, cx| {
4696            entry_view_state.settings_changed(cx);
4697        });
4698    }
4699
4700    pub(crate) fn insert_dragged_files(
4701        &self,
4702        paths: Vec<project::ProjectPath>,
4703        added_worktrees: Vec<Entity<project::Worktree>>,
4704        window: &mut Window,
4705        cx: &mut Context<Self>,
4706    ) {
4707        self.message_editor.update(cx, |message_editor, cx| {
4708            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4709        })
4710    }
4711
4712    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4713        self.message_editor.update(cx, |message_editor, cx| {
4714            message_editor.insert_selections(window, cx);
4715        })
4716    }
4717
4718    fn render_thread_retry_status_callout(
4719        &self,
4720        _window: &mut Window,
4721        _cx: &mut Context<Self>,
4722    ) -> Option<Callout> {
4723        let state = self.thread_retry_status.as_ref()?;
4724
4725        let next_attempt_in = state
4726            .duration
4727            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4728        if next_attempt_in.is_zero() {
4729            return None;
4730        }
4731
4732        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4733
4734        let retry_message = if state.max_attempts == 1 {
4735            if next_attempt_in_secs == 1 {
4736                "Retrying. Next attempt in 1 second.".to_string()
4737            } else {
4738                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4739            }
4740        } else if next_attempt_in_secs == 1 {
4741            format!(
4742                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4743                state.attempt, state.max_attempts,
4744            )
4745        } else {
4746            format!(
4747                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4748                state.attempt, state.max_attempts,
4749            )
4750        };
4751
4752        Some(
4753            Callout::new()
4754                .severity(Severity::Warning)
4755                .title(state.last_error.clone())
4756                .description(retry_message),
4757        )
4758    }
4759
4760    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4761        let content = match self.thread_error.as_ref()? {
4762            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4763            ThreadError::Refusal => self.render_refusal_error(cx),
4764            ThreadError::AuthenticationRequired(error) => {
4765                self.render_authentication_required_error(error.clone(), cx)
4766            }
4767            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4768            ThreadError::ModelRequestLimitReached(plan) => {
4769                self.render_model_request_limit_reached_error(*plan, cx)
4770            }
4771            ThreadError::ToolUseLimitReached => {
4772                self.render_tool_use_limit_reached_error(window, cx)?
4773            }
4774        };
4775
4776        Some(div().child(content))
4777    }
4778
4779    fn get_current_model_name(&self, cx: &App) -> SharedString {
4780        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
4781        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
4782        // This provides better clarity about what refused the request
4783        if self
4784            .agent
4785            .clone()
4786            .downcast::<agent2::NativeAgentServer>()
4787            .is_some()
4788        {
4789            // Native agent - use the model name
4790            self.model_selector
4791                .as_ref()
4792                .and_then(|selector| selector.read(cx).active_model_name(cx))
4793                .unwrap_or_else(|| SharedString::from("The model"))
4794        } else {
4795            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
4796            self.agent.name()
4797        }
4798    }
4799
4800    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
4801        let model_or_agent_name = self.get_current_model_name(cx);
4802        let refusal_message = format!(
4803            "{} 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.",
4804            model_or_agent_name
4805        );
4806
4807        Callout::new()
4808            .severity(Severity::Error)
4809            .title("Request Refused")
4810            .icon(IconName::XCircle)
4811            .description(refusal_message.clone())
4812            .actions_slot(self.create_copy_button(&refusal_message))
4813            .dismiss_action(self.dismiss_error_button(cx))
4814    }
4815
4816    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4817        let can_resume = self
4818            .thread()
4819            .map_or(false, |thread| thread.read(cx).can_resume(cx));
4820
4821        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
4822            let thread = thread.read(cx);
4823            let supports_burn_mode = thread
4824                .model()
4825                .map_or(false, |model| model.supports_burn_mode());
4826            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
4827        });
4828
4829        Callout::new()
4830            .severity(Severity::Error)
4831            .title("Error")
4832            .icon(IconName::XCircle)
4833            .description(error.clone())
4834            .actions_slot(
4835                h_flex()
4836                    .gap_0p5()
4837                    .when(can_resume && can_enable_burn_mode, |this| {
4838                        this.child(
4839                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
4840                                .icon(IconName::ZedBurnMode)
4841                                .icon_position(IconPosition::Start)
4842                                .icon_size(IconSize::Small)
4843                                .label_size(LabelSize::Small)
4844                                .on_click(cx.listener(|this, _, window, cx| {
4845                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4846                                    this.resume_chat(cx);
4847                                })),
4848                        )
4849                    })
4850                    .when(can_resume, |this| {
4851                        this.child(
4852                            Button::new("retry", "Retry")
4853                                .icon(IconName::RotateCw)
4854                                .icon_position(IconPosition::Start)
4855                                .icon_size(IconSize::Small)
4856                                .label_size(LabelSize::Small)
4857                                .on_click(cx.listener(|this, _, _window, cx| {
4858                                    this.resume_chat(cx);
4859                                })),
4860                        )
4861                    })
4862                    .child(self.create_copy_button(error.to_string())),
4863            )
4864            .dismiss_action(self.dismiss_error_button(cx))
4865    }
4866
4867    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4868        const ERROR_MESSAGE: &str =
4869            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4870
4871        Callout::new()
4872            .severity(Severity::Error)
4873            .icon(IconName::XCircle)
4874            .title("Free Usage Exceeded")
4875            .description(ERROR_MESSAGE)
4876            .actions_slot(
4877                h_flex()
4878                    .gap_0p5()
4879                    .child(self.upgrade_button(cx))
4880                    .child(self.create_copy_button(ERROR_MESSAGE)),
4881            )
4882            .dismiss_action(self.dismiss_error_button(cx))
4883    }
4884
4885    fn render_authentication_required_error(
4886        &self,
4887        error: SharedString,
4888        cx: &mut Context<Self>,
4889    ) -> Callout {
4890        Callout::new()
4891            .severity(Severity::Error)
4892            .title("Authentication Required")
4893            .icon(IconName::XCircle)
4894            .description(error.clone())
4895            .actions_slot(
4896                h_flex()
4897                    .gap_0p5()
4898                    .child(self.authenticate_button(cx))
4899                    .child(self.create_copy_button(error)),
4900            )
4901            .dismiss_action(self.dismiss_error_button(cx))
4902    }
4903
4904    fn render_model_request_limit_reached_error(
4905        &self,
4906        plan: cloud_llm_client::Plan,
4907        cx: &mut Context<Self>,
4908    ) -> Callout {
4909        let error_message = match plan {
4910            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4911            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4912                "Upgrade to Zed Pro for more prompts."
4913            }
4914        };
4915
4916        Callout::new()
4917            .severity(Severity::Error)
4918            .title("Model Prompt Limit Reached")
4919            .icon(IconName::XCircle)
4920            .description(error_message)
4921            .actions_slot(
4922                h_flex()
4923                    .gap_0p5()
4924                    .child(self.upgrade_button(cx))
4925                    .child(self.create_copy_button(error_message)),
4926            )
4927            .dismiss_action(self.dismiss_error_button(cx))
4928    }
4929
4930    fn render_tool_use_limit_reached_error(
4931        &self,
4932        window: &mut Window,
4933        cx: &mut Context<Self>,
4934    ) -> Option<Callout> {
4935        let thread = self.as_native_thread(cx)?;
4936        let supports_burn_mode = thread
4937            .read(cx)
4938            .model()
4939            .is_some_and(|model| model.supports_burn_mode());
4940
4941        let focus_handle = self.focus_handle(cx);
4942
4943        Some(
4944            Callout::new()
4945                .icon(IconName::Info)
4946                .title("Consecutive tool use limit reached.")
4947                .actions_slot(
4948                    h_flex()
4949                        .gap_0p5()
4950                        .when(supports_burn_mode, |this| {
4951                            this.child(
4952                                Button::new("continue-burn-mode", "Continue with Burn Mode")
4953                                    .style(ButtonStyle::Filled)
4954                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4955                                    .layer(ElevationIndex::ModalSurface)
4956                                    .label_size(LabelSize::Small)
4957                                    .key_binding(
4958                                        KeyBinding::for_action_in(
4959                                            &ContinueWithBurnMode,
4960                                            &focus_handle,
4961                                            window,
4962                                            cx,
4963                                        )
4964                                        .map(|kb| kb.size(rems_from_px(10.))),
4965                                    )
4966                                    .tooltip(Tooltip::text(
4967                                        "Enable Burn Mode for unlimited tool use.",
4968                                    ))
4969                                    .on_click({
4970                                        cx.listener(move |this, _, _window, cx| {
4971                                            thread.update(cx, |thread, cx| {
4972                                                thread
4973                                                    .set_completion_mode(CompletionMode::Burn, cx);
4974                                            });
4975                                            this.resume_chat(cx);
4976                                        })
4977                                    }),
4978                            )
4979                        })
4980                        .child(
4981                            Button::new("continue-conversation", "Continue")
4982                                .layer(ElevationIndex::ModalSurface)
4983                                .label_size(LabelSize::Small)
4984                                .key_binding(
4985                                    KeyBinding::for_action_in(
4986                                        &ContinueThread,
4987                                        &focus_handle,
4988                                        window,
4989                                        cx,
4990                                    )
4991                                    .map(|kb| kb.size(rems_from_px(10.))),
4992                                )
4993                                .on_click(cx.listener(|this, _, _window, cx| {
4994                                    this.resume_chat(cx);
4995                                })),
4996                        ),
4997                ),
4998        )
4999    }
5000
5001    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5002        let message = message.into();
5003
5004        IconButton::new("copy", IconName::Copy)
5005            .icon_size(IconSize::Small)
5006            .icon_color(Color::Muted)
5007            .tooltip(Tooltip::text("Copy Error Message"))
5008            .on_click(move |_, _, cx| {
5009                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5010            })
5011    }
5012
5013    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5014        IconButton::new("dismiss", IconName::Close)
5015            .icon_size(IconSize::Small)
5016            .icon_color(Color::Muted)
5017            .tooltip(Tooltip::text("Dismiss Error"))
5018            .on_click(cx.listener({
5019                move |this, _, _, cx| {
5020                    this.clear_thread_error(cx);
5021                    cx.notify();
5022                }
5023            }))
5024    }
5025
5026    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5027        Button::new("authenticate", "Authenticate")
5028            .label_size(LabelSize::Small)
5029            .style(ButtonStyle::Filled)
5030            .on_click(cx.listener({
5031                move |this, _, window, cx| {
5032                    let agent = this.agent.clone();
5033                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5034                        return;
5035                    };
5036
5037                    let connection = thread.read(cx).connection().clone();
5038                    let err = AuthRequired {
5039                        description: None,
5040                        provider_id: None,
5041                    };
5042                    this.clear_thread_error(cx);
5043                    let this = cx.weak_entity();
5044                    window.defer(cx, |window, cx| {
5045                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5046                    })
5047                }
5048            }))
5049    }
5050
5051    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5052        let agent = self.agent.clone();
5053        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5054            return;
5055        };
5056
5057        let connection = thread.read(cx).connection().clone();
5058        let err = AuthRequired {
5059            description: None,
5060            provider_id: None,
5061        };
5062        self.clear_thread_error(cx);
5063        let this = cx.weak_entity();
5064        window.defer(cx, |window, cx| {
5065            Self::handle_auth_required(this, err, agent, connection, window, cx);
5066        })
5067    }
5068
5069    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5070        Button::new("upgrade", "Upgrade")
5071            .label_size(LabelSize::Small)
5072            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5073            .on_click(cx.listener({
5074                move |this, _, _, cx| {
5075                    this.clear_thread_error(cx);
5076                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5077                }
5078            }))
5079    }
5080
5081    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5082        let task = match entry {
5083            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5084                history.delete_thread(thread.id.clone(), cx)
5085            }),
5086            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
5087                history.delete_text_thread(context.path.clone(), cx)
5088            }),
5089        };
5090        task.detach_and_log_err(cx);
5091    }
5092}
5093
5094fn loading_contents_spinner(size: IconSize) -> AnyElement {
5095    Icon::new(IconName::LoadCircle)
5096        .size(size)
5097        .color(Color::Accent)
5098        .with_animation(
5099            "load_context_circle",
5100            Animation::new(Duration::from_secs(3)).repeat(),
5101            |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
5102        )
5103        .into_any_element()
5104}
5105
5106impl Focusable for AcpThreadView {
5107    fn focus_handle(&self, cx: &App) -> FocusHandle {
5108        match self.thread_state {
5109            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5110                self.message_editor.focus_handle(cx)
5111            }
5112            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5113                self.focus_handle.clone()
5114            }
5115        }
5116    }
5117}
5118
5119impl Render for AcpThreadView {
5120    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5121        let has_messages = self.list_state.item_count() > 0;
5122        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5123
5124        v_flex()
5125            .size_full()
5126            .key_context("AcpThread")
5127            .on_action(cx.listener(Self::open_agent_diff))
5128            .on_action(cx.listener(Self::toggle_burn_mode))
5129            .on_action(cx.listener(Self::keep_all))
5130            .on_action(cx.listener(Self::reject_all))
5131            .track_focus(&self.focus_handle)
5132            .bg(cx.theme().colors().panel_background)
5133            .child(match &self.thread_state {
5134                ThreadState::Unauthenticated {
5135                    connection,
5136                    description,
5137                    configuration_view,
5138                    pending_auth_method,
5139                    ..
5140                } => self.render_auth_required_state(
5141                    connection,
5142                    description.as_ref(),
5143                    configuration_view.as_ref(),
5144                    pending_auth_method.as_ref(),
5145                    window,
5146                    cx,
5147                ),
5148                ThreadState::Loading { .. } => v_flex()
5149                    .flex_1()
5150                    .child(self.render_recent_history(window, cx)),
5151                ThreadState::LoadError(e) => v_flex()
5152                    .flex_1()
5153                    .size_full()
5154                    .items_center()
5155                    .justify_end()
5156                    .child(self.render_load_error(e, window, cx)),
5157                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5158                    if has_messages {
5159                        this.child(
5160                            list(
5161                                self.list_state.clone(),
5162                                cx.processor(|this, index: usize, window, cx| {
5163                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5164                                        let entries = &thread.read(cx).entries();
5165                                        Some((entries.get(index)?, entries.len()))
5166                                    }) else {
5167                                        return Empty.into_any();
5168                                    };
5169                                    this.render_entry(index, len, entry, window, cx)
5170                                }),
5171                            )
5172                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5173                            .flex_grow()
5174                            .into_any(),
5175                        )
5176                        .child(self.render_vertical_scrollbar(cx))
5177                    } else {
5178                        this.child(self.render_recent_history(window, cx))
5179                    }
5180                }),
5181            })
5182            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5183            // above so that the scrollbar doesn't render behind it. The current setup allows
5184            // the scrollbar to stop exactly at the activity bar start.
5185            .when(has_messages, |this| match &self.thread_state {
5186                ThreadState::Ready { thread, .. } => {
5187                    this.children(self.render_activity_bar(thread, window, cx))
5188                }
5189                _ => this,
5190            })
5191            .children(self.render_thread_retry_status_callout(window, cx))
5192            .children(self.render_thread_error(window, cx))
5193            .children(
5194                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5195                    Some(usage_callout.into_any_element())
5196                } else {
5197                    self.render_token_limit_callout(line_height, cx)
5198                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5199                },
5200            )
5201            .child(self.render_message_editor(window, cx))
5202    }
5203}
5204
5205fn default_markdown_style(
5206    buffer_font: bool,
5207    muted_text: bool,
5208    window: &Window,
5209    cx: &App,
5210) -> MarkdownStyle {
5211    let theme_settings = ThemeSettings::get_global(cx);
5212    let colors = cx.theme().colors();
5213
5214    let buffer_font_size = TextSize::Small.rems(cx);
5215
5216    let mut text_style = window.text_style();
5217    let line_height = buffer_font_size * 1.75;
5218
5219    let font_family = if buffer_font {
5220        theme_settings.buffer_font.family.clone()
5221    } else {
5222        theme_settings.ui_font.family.clone()
5223    };
5224
5225    let font_size = if buffer_font {
5226        TextSize::Small.rems(cx)
5227    } else {
5228        TextSize::Default.rems(cx)
5229    };
5230
5231    let text_color = if muted_text {
5232        colors.text_muted
5233    } else {
5234        colors.text
5235    };
5236
5237    text_style.refine(&TextStyleRefinement {
5238        font_family: Some(font_family),
5239        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5240        font_features: Some(theme_settings.ui_font.features.clone()),
5241        font_size: Some(font_size.into()),
5242        line_height: Some(line_height.into()),
5243        color: Some(text_color),
5244        ..Default::default()
5245    });
5246
5247    MarkdownStyle {
5248        base_text_style: text_style.clone(),
5249        syntax: cx.theme().syntax().clone(),
5250        selection_background_color: colors.element_selection_background,
5251        code_block_overflow_x_scroll: true,
5252        table_overflow_x_scroll: true,
5253        heading_level_styles: Some(HeadingLevelStyles {
5254            h1: Some(TextStyleRefinement {
5255                font_size: Some(rems(1.15).into()),
5256                ..Default::default()
5257            }),
5258            h2: Some(TextStyleRefinement {
5259                font_size: Some(rems(1.1).into()),
5260                ..Default::default()
5261            }),
5262            h3: Some(TextStyleRefinement {
5263                font_size: Some(rems(1.05).into()),
5264                ..Default::default()
5265            }),
5266            h4: Some(TextStyleRefinement {
5267                font_size: Some(rems(1.).into()),
5268                ..Default::default()
5269            }),
5270            h5: Some(TextStyleRefinement {
5271                font_size: Some(rems(0.95).into()),
5272                ..Default::default()
5273            }),
5274            h6: Some(TextStyleRefinement {
5275                font_size: Some(rems(0.875).into()),
5276                ..Default::default()
5277            }),
5278        }),
5279        code_block: StyleRefinement {
5280            padding: EdgesRefinement {
5281                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5282                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5283                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5284                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5285            },
5286            margin: EdgesRefinement {
5287                top: Some(Length::Definite(Pixels(8.).into())),
5288                left: Some(Length::Definite(Pixels(0.).into())),
5289                right: Some(Length::Definite(Pixels(0.).into())),
5290                bottom: Some(Length::Definite(Pixels(12.).into())),
5291            },
5292            border_style: Some(BorderStyle::Solid),
5293            border_widths: EdgesRefinement {
5294                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
5295                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
5296                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
5297                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
5298            },
5299            border_color: Some(colors.border_variant),
5300            background: Some(colors.editor_background.into()),
5301            text: Some(TextStyleRefinement {
5302                font_family: Some(theme_settings.buffer_font.family.clone()),
5303                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5304                font_features: Some(theme_settings.buffer_font.features.clone()),
5305                font_size: Some(buffer_font_size.into()),
5306                ..Default::default()
5307            }),
5308            ..Default::default()
5309        },
5310        inline_code: TextStyleRefinement {
5311            font_family: Some(theme_settings.buffer_font.family.clone()),
5312            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5313            font_features: Some(theme_settings.buffer_font.features.clone()),
5314            font_size: Some(buffer_font_size.into()),
5315            background_color: Some(colors.editor_foreground.opacity(0.08)),
5316            ..Default::default()
5317        },
5318        link: TextStyleRefinement {
5319            background_color: Some(colors.editor_foreground.opacity(0.025)),
5320            underline: Some(UnderlineStyle {
5321                color: Some(colors.text_accent.opacity(0.5)),
5322                thickness: px(1.),
5323                ..Default::default()
5324            }),
5325            ..Default::default()
5326        },
5327        ..Default::default()
5328    }
5329}
5330
5331fn plan_label_markdown_style(
5332    status: &acp::PlanEntryStatus,
5333    window: &Window,
5334    cx: &App,
5335) -> MarkdownStyle {
5336    let default_md_style = default_markdown_style(false, false, window, cx);
5337
5338    MarkdownStyle {
5339        base_text_style: TextStyle {
5340            color: cx.theme().colors().text_muted,
5341            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5342                Some(gpui::StrikethroughStyle {
5343                    thickness: px(1.),
5344                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5345                })
5346            } else {
5347                None
5348            },
5349            ..default_md_style.base_text_style
5350        },
5351        ..default_md_style
5352    }
5353}
5354
5355fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5356    let default_md_style = default_markdown_style(true, false, window, cx);
5357
5358    MarkdownStyle {
5359        base_text_style: TextStyle {
5360            ..default_md_style.base_text_style
5361        },
5362        selection_background_color: cx.theme().colors().element_selection_background,
5363        ..Default::default()
5364    }
5365}
5366
5367#[cfg(test)]
5368pub(crate) mod tests {
5369    use acp_thread::StubAgentConnection;
5370    use agent_client_protocol::SessionId;
5371    use assistant_context::ContextStore;
5372    use editor::EditorSettings;
5373    use fs::FakeFs;
5374    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5375    use project::Project;
5376    use serde_json::json;
5377    use settings::SettingsStore;
5378    use std::any::Any;
5379    use std::path::Path;
5380    use workspace::Item;
5381
5382    use super::*;
5383
5384    #[gpui::test]
5385    async fn test_drop(cx: &mut TestAppContext) {
5386        init_test(cx);
5387
5388        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5389        let weak_view = thread_view.downgrade();
5390        drop(thread_view);
5391        assert!(!weak_view.is_upgradable());
5392    }
5393
5394    #[gpui::test]
5395    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5396        init_test(cx);
5397
5398        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5399
5400        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5401        message_editor.update_in(cx, |editor, window, cx| {
5402            editor.set_text("Hello", window, cx);
5403        });
5404
5405        cx.deactivate_window();
5406
5407        thread_view.update_in(cx, |thread_view, window, cx| {
5408            thread_view.send(window, cx);
5409        });
5410
5411        cx.run_until_parked();
5412
5413        assert!(
5414            cx.windows()
5415                .iter()
5416                .any(|window| window.downcast::<AgentNotification>().is_some())
5417        );
5418    }
5419
5420    #[gpui::test]
5421    async fn test_notification_for_error(cx: &mut TestAppContext) {
5422        init_test(cx);
5423
5424        let (thread_view, cx) =
5425            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5426
5427        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5428        message_editor.update_in(cx, |editor, window, cx| {
5429            editor.set_text("Hello", window, cx);
5430        });
5431
5432        cx.deactivate_window();
5433
5434        thread_view.update_in(cx, |thread_view, window, cx| {
5435            thread_view.send(window, cx);
5436        });
5437
5438        cx.run_until_parked();
5439
5440        assert!(
5441            cx.windows()
5442                .iter()
5443                .any(|window| window.downcast::<AgentNotification>().is_some())
5444        );
5445    }
5446
5447    #[gpui::test]
5448    async fn test_refusal_handling(cx: &mut TestAppContext) {
5449        init_test(cx);
5450
5451        let (thread_view, cx) =
5452            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
5453
5454        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5455        message_editor.update_in(cx, |editor, window, cx| {
5456            editor.set_text("Do something harmful", window, cx);
5457        });
5458
5459        thread_view.update_in(cx, |thread_view, window, cx| {
5460            thread_view.send(window, cx);
5461        });
5462
5463        cx.run_until_parked();
5464
5465        // Check that the refusal error is set
5466        thread_view.read_with(cx, |thread_view, _cx| {
5467            assert!(
5468                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5469                "Expected refusal error to be set"
5470            );
5471        });
5472    }
5473
5474    #[gpui::test]
5475    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5476        init_test(cx);
5477
5478        let tool_call_id = acp::ToolCallId("1".into());
5479        let tool_call = acp::ToolCall {
5480            id: tool_call_id.clone(),
5481            title: "Label".into(),
5482            kind: acp::ToolKind::Edit,
5483            status: acp::ToolCallStatus::Pending,
5484            content: vec!["hi".into()],
5485            locations: vec![],
5486            raw_input: None,
5487            raw_output: None,
5488        };
5489        let connection =
5490            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5491                tool_call_id,
5492                vec![acp::PermissionOption {
5493                    id: acp::PermissionOptionId("1".into()),
5494                    name: "Allow".into(),
5495                    kind: acp::PermissionOptionKind::AllowOnce,
5496                }],
5497            )]));
5498
5499        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5500
5501        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5502
5503        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5504        message_editor.update_in(cx, |editor, window, cx| {
5505            editor.set_text("Hello", window, cx);
5506        });
5507
5508        cx.deactivate_window();
5509
5510        thread_view.update_in(cx, |thread_view, window, cx| {
5511            thread_view.send(window, cx);
5512        });
5513
5514        cx.run_until_parked();
5515
5516        assert!(
5517            cx.windows()
5518                .iter()
5519                .any(|window| window.downcast::<AgentNotification>().is_some())
5520        );
5521    }
5522
5523    async fn setup_thread_view(
5524        agent: impl AgentServer + 'static,
5525        cx: &mut TestAppContext,
5526    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5527        let fs = FakeFs::new(cx.executor());
5528        let project = Project::test(fs, [], cx).await;
5529        let (workspace, cx) =
5530            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5531
5532        let context_store =
5533            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5534        let history_store =
5535            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5536
5537        let thread_view = cx.update(|window, cx| {
5538            cx.new(|cx| {
5539                AcpThreadView::new(
5540                    Rc::new(agent),
5541                    None,
5542                    None,
5543                    workspace.downgrade(),
5544                    project,
5545                    history_store,
5546                    None,
5547                    window,
5548                    cx,
5549                )
5550            })
5551        });
5552        cx.run_until_parked();
5553        (thread_view, cx)
5554    }
5555
5556    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5557        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5558
5559        workspace
5560            .update_in(cx, |workspace, window, cx| {
5561                workspace.add_item_to_active_pane(
5562                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5563                    None,
5564                    true,
5565                    window,
5566                    cx,
5567                );
5568            })
5569            .unwrap();
5570    }
5571
5572    struct ThreadViewItem(Entity<AcpThreadView>);
5573
5574    impl Item for ThreadViewItem {
5575        type Event = ();
5576
5577        fn include_in_nav_history() -> bool {
5578            false
5579        }
5580
5581        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5582            "Test".into()
5583        }
5584    }
5585
5586    impl EventEmitter<()> for ThreadViewItem {}
5587
5588    impl Focusable for ThreadViewItem {
5589        fn focus_handle(&self, cx: &App) -> FocusHandle {
5590            self.0.read(cx).focus_handle(cx)
5591        }
5592    }
5593
5594    impl Render for ThreadViewItem {
5595        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5596            self.0.clone().into_any_element()
5597        }
5598    }
5599
5600    struct StubAgentServer<C> {
5601        connection: C,
5602    }
5603
5604    impl<C> StubAgentServer<C> {
5605        fn new(connection: C) -> Self {
5606            Self { connection }
5607        }
5608    }
5609
5610    impl StubAgentServer<StubAgentConnection> {
5611        fn default_response() -> Self {
5612            let conn = StubAgentConnection::new();
5613            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5614                content: "Default response".into(),
5615            }]);
5616            Self::new(conn)
5617        }
5618    }
5619
5620    impl<C> AgentServer for StubAgentServer<C>
5621    where
5622        C: 'static + AgentConnection + Send + Clone,
5623    {
5624        fn telemetry_id(&self) -> &'static str {
5625            "test"
5626        }
5627
5628        fn logo(&self) -> ui::IconName {
5629            ui::IconName::Ai
5630        }
5631
5632        fn name(&self) -> SharedString {
5633            "Test".into()
5634        }
5635
5636        fn connect(
5637            &self,
5638            _root_dir: &Path,
5639            _delegate: AgentServerDelegate,
5640            _cx: &mut App,
5641        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
5642            Task::ready(Ok(Rc::new(self.connection.clone())))
5643        }
5644
5645        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5646            self
5647        }
5648    }
5649
5650    #[derive(Clone)]
5651    struct SaboteurAgentConnection;
5652
5653    impl AgentConnection for SaboteurAgentConnection {
5654        fn new_thread(
5655            self: Rc<Self>,
5656            project: Entity<Project>,
5657            _cwd: &Path,
5658            cx: &mut gpui::App,
5659        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5660            Task::ready(Ok(cx.new(|cx| {
5661                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5662                AcpThread::new(
5663                    "SaboteurAgentConnection",
5664                    self,
5665                    project,
5666                    action_log,
5667                    SessionId("test".into()),
5668                    watch::Receiver::constant(acp::PromptCapabilities {
5669                        image: true,
5670                        audio: true,
5671                        embedded_context: true,
5672                    }),
5673                    vec![],
5674                    cx,
5675                )
5676            })))
5677        }
5678
5679        fn auth_methods(&self) -> &[acp::AuthMethod] {
5680            &[]
5681        }
5682
5683        fn authenticate(
5684            &self,
5685            _method_id: acp::AuthMethodId,
5686            _cx: &mut App,
5687        ) -> Task<gpui::Result<()>> {
5688            unimplemented!()
5689        }
5690
5691        fn prompt(
5692            &self,
5693            _id: Option<acp_thread::UserMessageId>,
5694            _params: acp::PromptRequest,
5695            _cx: &mut App,
5696        ) -> Task<gpui::Result<acp::PromptResponse>> {
5697            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5698        }
5699
5700        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5701            unimplemented!()
5702        }
5703
5704        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5705            self
5706        }
5707    }
5708
5709    /// Simulates a model which always returns a refusal response
5710    #[derive(Clone)]
5711    struct RefusalAgentConnection;
5712
5713    impl AgentConnection for RefusalAgentConnection {
5714        fn new_thread(
5715            self: Rc<Self>,
5716            project: Entity<Project>,
5717            _cwd: &Path,
5718            cx: &mut gpui::App,
5719        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5720            Task::ready(Ok(cx.new(|cx| {
5721                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5722                AcpThread::new(
5723                    "RefusalAgentConnection",
5724                    self,
5725                    project,
5726                    action_log,
5727                    SessionId("test".into()),
5728                    watch::Receiver::constant(acp::PromptCapabilities {
5729                        image: true,
5730                        audio: true,
5731                        embedded_context: true,
5732                    }),
5733                    Vec::new(),
5734                    cx,
5735                )
5736            })))
5737        }
5738
5739        fn auth_methods(&self) -> &[acp::AuthMethod] {
5740            &[]
5741        }
5742
5743        fn authenticate(
5744            &self,
5745            _method_id: acp::AuthMethodId,
5746            _cx: &mut App,
5747        ) -> Task<gpui::Result<()>> {
5748            unimplemented!()
5749        }
5750
5751        fn prompt(
5752            &self,
5753            _id: Option<acp_thread::UserMessageId>,
5754            _params: acp::PromptRequest,
5755            _cx: &mut App,
5756        ) -> Task<gpui::Result<acp::PromptResponse>> {
5757            Task::ready(Ok(acp::PromptResponse {
5758                stop_reason: acp::StopReason::Refusal,
5759            }))
5760        }
5761
5762        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5763            unimplemented!()
5764        }
5765
5766        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5767            self
5768        }
5769    }
5770
5771    pub(crate) fn init_test(cx: &mut TestAppContext) {
5772        cx.update(|cx| {
5773            let settings_store = SettingsStore::test(cx);
5774            cx.set_global(settings_store);
5775            language::init(cx);
5776            Project::init_settings(cx);
5777            AgentSettings::register(cx);
5778            workspace::init_settings(cx);
5779            ThemeSettings::register(cx);
5780            release_channel::init(SemanticVersion::default(), cx);
5781            EditorSettings::register(cx);
5782            prompt_store::init(cx)
5783        });
5784    }
5785
5786    #[gpui::test]
5787    async fn test_rewind_views(cx: &mut TestAppContext) {
5788        init_test(cx);
5789
5790        let fs = FakeFs::new(cx.executor());
5791        fs.insert_tree(
5792            "/project",
5793            json!({
5794                "test1.txt": "old content 1",
5795                "test2.txt": "old content 2"
5796            }),
5797        )
5798        .await;
5799        let project = Project::test(fs, [Path::new("/project")], cx).await;
5800        let (workspace, cx) =
5801            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5802
5803        let context_store =
5804            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5805        let history_store =
5806            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5807
5808        let connection = Rc::new(StubAgentConnection::new());
5809        let thread_view = cx.update(|window, cx| {
5810            cx.new(|cx| {
5811                AcpThreadView::new(
5812                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5813                    None,
5814                    None,
5815                    workspace.downgrade(),
5816                    project.clone(),
5817                    history_store.clone(),
5818                    None,
5819                    window,
5820                    cx,
5821                )
5822            })
5823        });
5824
5825        cx.run_until_parked();
5826
5827        let thread = thread_view
5828            .read_with(cx, |view, _| view.thread().cloned())
5829            .unwrap();
5830
5831        // First user message
5832        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5833            id: acp::ToolCallId("tool1".into()),
5834            title: "Edit file 1".into(),
5835            kind: acp::ToolKind::Edit,
5836            status: acp::ToolCallStatus::Completed,
5837            content: vec![acp::ToolCallContent::Diff {
5838                diff: acp::Diff {
5839                    path: "/project/test1.txt".into(),
5840                    old_text: Some("old content 1".into()),
5841                    new_text: "new content 1".into(),
5842                },
5843            }],
5844            locations: vec![],
5845            raw_input: None,
5846            raw_output: None,
5847        })]);
5848
5849        thread
5850            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
5851            .await
5852            .unwrap();
5853        cx.run_until_parked();
5854
5855        thread.read_with(cx, |thread, _| {
5856            assert_eq!(thread.entries().len(), 2);
5857        });
5858
5859        thread_view.read_with(cx, |view, cx| {
5860            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5861                assert!(
5862                    entry_view_state
5863                        .entry(0)
5864                        .unwrap()
5865                        .message_editor()
5866                        .is_some()
5867                );
5868                assert!(entry_view_state.entry(1).unwrap().has_content());
5869            });
5870        });
5871
5872        // Second user message
5873        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5874            id: acp::ToolCallId("tool2".into()),
5875            title: "Edit file 2".into(),
5876            kind: acp::ToolKind::Edit,
5877            status: acp::ToolCallStatus::Completed,
5878            content: vec![acp::ToolCallContent::Diff {
5879                diff: acp::Diff {
5880                    path: "/project/test2.txt".into(),
5881                    old_text: Some("old content 2".into()),
5882                    new_text: "new content 2".into(),
5883                },
5884            }],
5885            locations: vec![],
5886            raw_input: None,
5887            raw_output: None,
5888        })]);
5889
5890        thread
5891            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5892            .await
5893            .unwrap();
5894        cx.run_until_parked();
5895
5896        let second_user_message_id = thread.read_with(cx, |thread, _| {
5897            assert_eq!(thread.entries().len(), 4);
5898            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5899                panic!();
5900            };
5901            user_message.id.clone().unwrap()
5902        });
5903
5904        thread_view.read_with(cx, |view, cx| {
5905            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5906                assert!(
5907                    entry_view_state
5908                        .entry(0)
5909                        .unwrap()
5910                        .message_editor()
5911                        .is_some()
5912                );
5913                assert!(entry_view_state.entry(1).unwrap().has_content());
5914                assert!(
5915                    entry_view_state
5916                        .entry(2)
5917                        .unwrap()
5918                        .message_editor()
5919                        .is_some()
5920                );
5921                assert!(entry_view_state.entry(3).unwrap().has_content());
5922            });
5923        });
5924
5925        // Rewind to first message
5926        thread
5927            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
5928            .await
5929            .unwrap();
5930
5931        cx.run_until_parked();
5932
5933        thread.read_with(cx, |thread, _| {
5934            assert_eq!(thread.entries().len(), 2);
5935        });
5936
5937        thread_view.read_with(cx, |view, cx| {
5938            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5939                assert!(
5940                    entry_view_state
5941                        .entry(0)
5942                        .unwrap()
5943                        .message_editor()
5944                        .is_some()
5945                );
5946                assert!(entry_view_state.entry(1).unwrap().has_content());
5947
5948                // Old views should be dropped
5949                assert!(entry_view_state.entry(2).is_none());
5950                assert!(entry_view_state.entry(3).is_none());
5951            });
5952        });
5953    }
5954
5955    #[gpui::test]
5956    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
5957        init_test(cx);
5958
5959        let connection = StubAgentConnection::new();
5960
5961        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5962            content: acp::ContentBlock::Text(acp::TextContent {
5963                text: "Response".into(),
5964                annotations: None,
5965            }),
5966        }]);
5967
5968        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5969        add_to_workspace(thread_view.clone(), cx);
5970
5971        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5972        message_editor.update_in(cx, |editor, window, cx| {
5973            editor.set_text("Original message to edit", window, cx);
5974        });
5975        thread_view.update_in(cx, |thread_view, window, cx| {
5976            thread_view.send(window, cx);
5977        });
5978
5979        cx.run_until_parked();
5980
5981        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5982            assert_eq!(view.editing_message, None);
5983
5984            view.entry_view_state
5985                .read(cx)
5986                .entry(0)
5987                .unwrap()
5988                .message_editor()
5989                .unwrap()
5990                .clone()
5991        });
5992
5993        // Focus
5994        cx.focus(&user_message_editor);
5995        thread_view.read_with(cx, |view, _cx| {
5996            assert_eq!(view.editing_message, Some(0));
5997        });
5998
5999        // Edit
6000        user_message_editor.update_in(cx, |editor, window, cx| {
6001            editor.set_text("Edited message content", window, cx);
6002        });
6003
6004        // Cancel
6005        user_message_editor.update_in(cx, |_editor, window, cx| {
6006            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6007        });
6008
6009        thread_view.read_with(cx, |view, _cx| {
6010            assert_eq!(view.editing_message, None);
6011        });
6012
6013        user_message_editor.read_with(cx, |editor, cx| {
6014            assert_eq!(editor.text(cx), "Original message to edit");
6015        });
6016    }
6017
6018    #[gpui::test]
6019    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6020        init_test(cx);
6021
6022        let connection = StubAgentConnection::new();
6023
6024        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6025        add_to_workspace(thread_view.clone(), cx);
6026
6027        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6028        let mut events = cx.events(&message_editor);
6029        message_editor.update_in(cx, |editor, window, cx| {
6030            editor.set_text("", window, cx);
6031        });
6032
6033        message_editor.update_in(cx, |_editor, window, cx| {
6034            window.dispatch_action(Box::new(Chat), cx);
6035        });
6036        cx.run_until_parked();
6037        // We shouldn't have received any messages
6038        assert!(matches!(
6039            events.try_next(),
6040            Err(futures::channel::mpsc::TryRecvError { .. })
6041        ));
6042    }
6043
6044    #[gpui::test]
6045    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6046        init_test(cx);
6047
6048        let connection = StubAgentConnection::new();
6049
6050        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6051            content: acp::ContentBlock::Text(acp::TextContent {
6052                text: "Response".into(),
6053                annotations: None,
6054            }),
6055        }]);
6056
6057        let (thread_view, cx) =
6058            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6059        add_to_workspace(thread_view.clone(), cx);
6060
6061        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6062        message_editor.update_in(cx, |editor, window, cx| {
6063            editor.set_text("Original message to edit", window, cx);
6064        });
6065        thread_view.update_in(cx, |thread_view, window, cx| {
6066            thread_view.send(window, cx);
6067        });
6068
6069        cx.run_until_parked();
6070
6071        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6072            assert_eq!(view.editing_message, None);
6073            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6074
6075            view.entry_view_state
6076                .read(cx)
6077                .entry(0)
6078                .unwrap()
6079                .message_editor()
6080                .unwrap()
6081                .clone()
6082        });
6083
6084        // Focus
6085        cx.focus(&user_message_editor);
6086
6087        // Edit
6088        user_message_editor.update_in(cx, |editor, window, cx| {
6089            editor.set_text("Edited message content", window, cx);
6090        });
6091
6092        // Send
6093        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6094            content: acp::ContentBlock::Text(acp::TextContent {
6095                text: "New Response".into(),
6096                annotations: None,
6097            }),
6098        }]);
6099
6100        user_message_editor.update_in(cx, |_editor, window, cx| {
6101            window.dispatch_action(Box::new(Chat), cx);
6102        });
6103
6104        cx.run_until_parked();
6105
6106        thread_view.read_with(cx, |view, cx| {
6107            assert_eq!(view.editing_message, None);
6108
6109            let entries = view.thread().unwrap().read(cx).entries();
6110            assert_eq!(entries.len(), 2);
6111            assert_eq!(
6112                entries[0].to_markdown(cx),
6113                "## User\n\nEdited message content\n\n"
6114            );
6115            assert_eq!(
6116                entries[1].to_markdown(cx),
6117                "## Assistant\n\nNew Response\n\n"
6118            );
6119
6120            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6121                assert!(!state.entry(1).unwrap().has_content());
6122                state.entry(0).unwrap().message_editor().unwrap().clone()
6123            });
6124
6125            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6126        })
6127    }
6128
6129    #[gpui::test]
6130    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6131        init_test(cx);
6132
6133        let connection = StubAgentConnection::new();
6134
6135        let (thread_view, cx) =
6136            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6137        add_to_workspace(thread_view.clone(), cx);
6138
6139        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6140        message_editor.update_in(cx, |editor, window, cx| {
6141            editor.set_text("Original message to edit", window, cx);
6142        });
6143        thread_view.update_in(cx, |thread_view, window, cx| {
6144            thread_view.send(window, cx);
6145        });
6146
6147        cx.run_until_parked();
6148
6149        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6150            let thread = view.thread().unwrap().read(cx);
6151            assert_eq!(thread.entries().len(), 1);
6152
6153            let editor = view
6154                .entry_view_state
6155                .read(cx)
6156                .entry(0)
6157                .unwrap()
6158                .message_editor()
6159                .unwrap()
6160                .clone();
6161
6162            (editor, thread.session_id().clone())
6163        });
6164
6165        // Focus
6166        cx.focus(&user_message_editor);
6167
6168        thread_view.read_with(cx, |view, _cx| {
6169            assert_eq!(view.editing_message, Some(0));
6170        });
6171
6172        // Edit
6173        user_message_editor.update_in(cx, |editor, window, cx| {
6174            editor.set_text("Edited message content", window, cx);
6175        });
6176
6177        thread_view.read_with(cx, |view, _cx| {
6178            assert_eq!(view.editing_message, Some(0));
6179        });
6180
6181        // Finish streaming response
6182        cx.update(|_, cx| {
6183            connection.send_update(
6184                session_id.clone(),
6185                acp::SessionUpdate::AgentMessageChunk {
6186                    content: acp::ContentBlock::Text(acp::TextContent {
6187                        text: "Response".into(),
6188                        annotations: None,
6189                    }),
6190                },
6191                cx,
6192            );
6193            connection.end_turn(session_id, acp::StopReason::EndTurn);
6194        });
6195
6196        thread_view.read_with(cx, |view, _cx| {
6197            assert_eq!(view.editing_message, Some(0));
6198        });
6199
6200        cx.run_until_parked();
6201
6202        // Should still be editing
6203        cx.update(|window, cx| {
6204            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6205            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6206            assert_eq!(
6207                user_message_editor.read(cx).text(cx),
6208                "Edited message content"
6209            );
6210        });
6211    }
6212
6213    #[gpui::test]
6214    async fn test_interrupt(cx: &mut TestAppContext) {
6215        init_test(cx);
6216
6217        let connection = StubAgentConnection::new();
6218
6219        let (thread_view, cx) =
6220            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6221        add_to_workspace(thread_view.clone(), cx);
6222
6223        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6224        message_editor.update_in(cx, |editor, window, cx| {
6225            editor.set_text("Message 1", window, cx);
6226        });
6227        thread_view.update_in(cx, |thread_view, window, cx| {
6228            thread_view.send(window, cx);
6229        });
6230
6231        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6232            let thread = view.thread().unwrap();
6233
6234            (thread.clone(), thread.read(cx).session_id().clone())
6235        });
6236
6237        cx.run_until_parked();
6238
6239        cx.update(|_, cx| {
6240            connection.send_update(
6241                session_id.clone(),
6242                acp::SessionUpdate::AgentMessageChunk {
6243                    content: "Message 1 resp".into(),
6244                },
6245                cx,
6246            );
6247        });
6248
6249        cx.run_until_parked();
6250
6251        thread.read_with(cx, |thread, cx| {
6252            assert_eq!(
6253                thread.to_markdown(cx),
6254                indoc::indoc! {"
6255                    ## User
6256
6257                    Message 1
6258
6259                    ## Assistant
6260
6261                    Message 1 resp
6262
6263                "}
6264            )
6265        });
6266
6267        message_editor.update_in(cx, |editor, window, cx| {
6268            editor.set_text("Message 2", window, cx);
6269        });
6270        thread_view.update_in(cx, |thread_view, window, cx| {
6271            thread_view.send(window, cx);
6272        });
6273
6274        cx.update(|_, cx| {
6275            // Simulate a response sent after beginning to cancel
6276            connection.send_update(
6277                session_id.clone(),
6278                acp::SessionUpdate::AgentMessageChunk {
6279                    content: "onse".into(),
6280                },
6281                cx,
6282            );
6283        });
6284
6285        cx.run_until_parked();
6286
6287        // Last Message 1 response should appear before Message 2
6288        thread.read_with(cx, |thread, cx| {
6289            assert_eq!(
6290                thread.to_markdown(cx),
6291                indoc::indoc! {"
6292                    ## User
6293
6294                    Message 1
6295
6296                    ## Assistant
6297
6298                    Message 1 response
6299
6300                    ## User
6301
6302                    Message 2
6303
6304                "}
6305            )
6306        });
6307
6308        cx.update(|_, cx| {
6309            connection.send_update(
6310                session_id.clone(),
6311                acp::SessionUpdate::AgentMessageChunk {
6312                    content: "Message 2 response".into(),
6313                },
6314                cx,
6315            );
6316            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6317        });
6318
6319        cx.run_until_parked();
6320
6321        thread.read_with(cx, |thread, cx| {
6322            assert_eq!(
6323                thread.to_markdown(cx),
6324                indoc::indoc! {"
6325                    ## User
6326
6327                    Message 1
6328
6329                    ## Assistant
6330
6331                    Message 1 response
6332
6333                    ## User
6334
6335                    Message 2
6336
6337                    ## Assistant
6338
6339                    Message 2 response
6340
6341                "}
6342            )
6343        });
6344    }
6345}