thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent_client_protocol::{self as acp, PromptCapabilities};
   9use agent_servers::{AgentServer, AgentServerDelegate, ClaudeCode};
  10use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
  11use agent2::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
  12use anyhow::{Context as _, Result, anyhow, bail};
  13use audio::{Audio, Sound};
  14use buffer_diff::BufferDiff;
  15use client::zed_urls;
  16use collections::{HashMap, HashSet};
  17use editor::scroll::Autoscroll;
  18use editor::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  19use file_icons::FileIcons;
  20use fs::Fs;
  21use futures::FutureExt as _;
  22use gpui::{
  23    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  24    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  25    ListOffset, ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement,
  26    Subscription, Task, TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window,
  27    WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, point, prelude::*,
  28    pulsating_between,
  29};
  30use language::Buffer;
  31
  32use language_model::{ANTHROPIC_PROVIDER_ID, 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::{AgentFontSize, ThemeSettings};
  47use ui::{
  48    Callout, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  49    PopoverMenuHandle, Scrollbar, ScrollbarState, SpinnerLabel, TintColor, 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    new_server_version_available: Option<SharedString>,
 292    _cancel_task: Option<Task<()>>,
 293    _subscriptions: [Subscription; 4],
 294}
 295
 296enum ThreadState {
 297    Loading(Entity<LoadingView>),
 298    Ready {
 299        thread: Entity<AcpThread>,
 300        title_editor: Option<Entity<Editor>>,
 301        _subscriptions: Vec<Subscription>,
 302    },
 303    LoadError(LoadError),
 304    Unauthenticated {
 305        connection: Rc<dyn AgentConnection>,
 306        description: Option<Entity<Markdown>>,
 307        configuration_view: Option<AnyView>,
 308        pending_auth_method: Option<acp::AuthMethodId>,
 309        _subscription: Option<Subscription>,
 310    },
 311}
 312
 313struct LoadingView {
 314    title: SharedString,
 315    _load_task: Task<()>,
 316    _update_title_task: Task<anyhow::Result<()>>,
 317}
 318
 319impl AcpThreadView {
 320    pub fn new(
 321        agent: Rc<dyn AgentServer>,
 322        resume_thread: Option<DbThreadMetadata>,
 323        summarize_thread: Option<DbThreadMetadata>,
 324        workspace: WeakEntity<Workspace>,
 325        project: Entity<Project>,
 326        history_store: Entity<HistoryStore>,
 327        prompt_store: Option<Entity<PromptStore>>,
 328        window: &mut Window,
 329        cx: &mut Context<Self>,
 330    ) -> Self {
 331        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
 332        let available_commands = Rc::new(RefCell::new(vec![]));
 333
 334        let placeholder = if agent.name() == "Zed Agent" {
 335            format!("Message the {} — @ to include context", agent.name())
 336        } else if agent.name() == "Claude Code" || !available_commands.borrow().is_empty() {
 337            format!(
 338                "Message {} — @ to include context, / for commands",
 339                agent.name()
 340            )
 341        } else {
 342            format!("Message {} — @ to include context", agent.name())
 343        };
 344
 345        let message_editor = cx.new(|cx| {
 346            let mut editor = MessageEditor::new(
 347                workspace.clone(),
 348                project.clone(),
 349                history_store.clone(),
 350                prompt_store.clone(),
 351                prompt_capabilities.clone(),
 352                available_commands.clone(),
 353                agent.name(),
 354                placeholder,
 355                editor::EditorMode::AutoHeight {
 356                    min_lines: MIN_EDITOR_LINES,
 357                    max_lines: Some(MAX_EDITOR_LINES),
 358                },
 359                window,
 360                cx,
 361            );
 362            if let Some(entry) = summarize_thread {
 363                editor.insert_thread_summary(entry, window, cx);
 364            }
 365            editor
 366        });
 367
 368        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 369
 370        let entry_view_state = cx.new(|_| {
 371            EntryViewState::new(
 372                workspace.clone(),
 373                project.clone(),
 374                history_store.clone(),
 375                prompt_store.clone(),
 376                prompt_capabilities.clone(),
 377                available_commands.clone(),
 378                agent.name(),
 379            )
 380        });
 381
 382        let subscriptions = [
 383            cx.observe_global_in::<SettingsStore>(window, Self::agent_font_size_changed),
 384            cx.observe_global_in::<AgentFontSize>(window, Self::agent_font_size_changed),
 385            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 386            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 387        ];
 388
 389        Self {
 390            agent: agent.clone(),
 391            workspace: workspace.clone(),
 392            project: project.clone(),
 393            entry_view_state,
 394            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 395            message_editor,
 396            model_selector: None,
 397            profile_selector: None,
 398            notifications: Vec::new(),
 399            notification_subscriptions: HashMap::default(),
 400            list_state: list_state.clone(),
 401            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 402            thread_retry_status: None,
 403            thread_error: None,
 404            thread_feedback: Default::default(),
 405            auth_task: None,
 406            expanded_tool_calls: HashSet::default(),
 407            expanded_thinking_blocks: HashSet::default(),
 408            editing_message: None,
 409            edits_expanded: false,
 410            plan_expanded: false,
 411            prompt_capabilities,
 412            available_commands,
 413            editor_expanded: false,
 414            should_be_following: false,
 415            history_store,
 416            hovered_recent_history_item: None,
 417            is_loading_contents: false,
 418            _subscriptions: subscriptions,
 419            _cancel_task: None,
 420            focus_handle: cx.focus_handle(),
 421            new_server_version_available: None,
 422        }
 423    }
 424
 425    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 426        self.thread_state = Self::initial_state(
 427            self.agent.clone(),
 428            None,
 429            self.workspace.clone(),
 430            self.project.clone(),
 431            window,
 432            cx,
 433        );
 434        self.available_commands.replace(vec![]);
 435        self.new_server_version_available.take();
 436        cx.notify();
 437    }
 438
 439    fn initial_state(
 440        agent: Rc<dyn AgentServer>,
 441        resume_thread: Option<DbThreadMetadata>,
 442        workspace: WeakEntity<Workspace>,
 443        project: Entity<Project>,
 444        window: &mut Window,
 445        cx: &mut Context<Self>,
 446    ) -> ThreadState {
 447        if !project.read(cx).is_local() && agent.clone().downcast::<NativeAgentServer>().is_none() {
 448            return ThreadState::LoadError(LoadError::Other(
 449                "External agents are not yet supported for remote projects.".into(),
 450            ));
 451        }
 452        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 453        // Pick the first non-single-file worktree for the root directory if there are any,
 454        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 455        worktrees.sort_by(|l, r| {
 456            l.read(cx)
 457                .is_single_file()
 458                .cmp(&r.read(cx).is_single_file())
 459        });
 460        let root_dir = worktrees
 461            .into_iter()
 462            .filter_map(|worktree| {
 463                if worktree.read(cx).is_single_file() {
 464                    Some(worktree.read(cx).abs_path().parent()?.into())
 465                } else {
 466                    Some(worktree.read(cx).abs_path())
 467                }
 468            })
 469            .next()
 470            .unwrap_or_else(|| paths::home_dir().as_path().into());
 471        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 472        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 473        let delegate = AgentServerDelegate::new(
 474            project.clone(),
 475            Some(status_tx),
 476            Some(new_version_available_tx),
 477        );
 478
 479        let connect_task = agent.connect(&root_dir, delegate, cx);
 480        let load_task = cx.spawn_in(window, async move |this, cx| {
 481            let connection = match connect_task.await {
 482                Ok(connection) => connection,
 483                Err(err) => {
 484                    this.update_in(cx, |this, window, cx| {
 485                        if err.downcast_ref::<LoadError>().is_some() {
 486                            this.handle_load_error(err, window, cx);
 487                        } else {
 488                            this.handle_thread_error(err, cx);
 489                        }
 490                        cx.notify();
 491                    })
 492                    .log_err();
 493                    return;
 494                }
 495            };
 496
 497            let result = if let Some(native_agent) = connection
 498                .clone()
 499                .downcast::<agent2::NativeAgentConnection>()
 500                && let Some(resume) = resume_thread.clone()
 501            {
 502                cx.update(|_, cx| {
 503                    native_agent
 504                        .0
 505                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 506                })
 507                .log_err()
 508            } else {
 509                cx.update(|_, cx| {
 510                    connection
 511                        .clone()
 512                        .new_thread(project.clone(), &root_dir, cx)
 513                })
 514                .log_err()
 515            };
 516
 517            let Some(result) = result else {
 518                return;
 519            };
 520
 521            let result = match result.await {
 522                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 523                    Ok(err) => {
 524                        cx.update(|window, cx| {
 525                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 526                        })
 527                        .log_err();
 528                        return;
 529                    }
 530                    Err(err) => Err(err),
 531                },
 532                Ok(thread) => Ok(thread),
 533            };
 534
 535            this.update_in(cx, |this, window, cx| {
 536                match result {
 537                    Ok(thread) => {
 538                        let action_log = thread.read(cx).action_log().clone();
 539
 540                        this.prompt_capabilities
 541                            .set(thread.read(cx).prompt_capabilities());
 542
 543                        let count = thread.read(cx).entries().len();
 544                        this.entry_view_state.update(cx, |view_state, cx| {
 545                            for ix in 0..count {
 546                                view_state.sync_entry(ix, &thread, window, cx);
 547                            }
 548                            this.list_state.splice_focusable(
 549                                0..0,
 550                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 551                            );
 552                        });
 553
 554                        if let Some(resume) = resume_thread {
 555                            this.history_store.update(cx, |history, cx| {
 556                                history.push_recently_opened_entry(
 557                                    HistoryEntryId::AcpThread(resume.id),
 558                                    cx,
 559                                );
 560                            });
 561                        }
 562
 563                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 564
 565                        this.model_selector =
 566                            thread
 567                                .read(cx)
 568                                .connection()
 569                                .model_selector()
 570                                .map(|selector| {
 571                                    cx.new(|cx| {
 572                                        AcpModelSelectorPopover::new(
 573                                            thread.read(cx).session_id().clone(),
 574                                            selector,
 575                                            PopoverMenuHandle::default(),
 576                                            this.focus_handle(cx),
 577                                            window,
 578                                            cx,
 579                                        )
 580                                    })
 581                                });
 582
 583                        let mut subscriptions = vec![
 584                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 585                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 586                        ];
 587
 588                        let title_editor =
 589                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 590                                let editor = cx.new(|cx| {
 591                                    let mut editor = Editor::single_line(window, cx);
 592                                    editor.set_text(thread.read(cx).title(), window, cx);
 593                                    editor
 594                                });
 595                                subscriptions.push(cx.subscribe_in(
 596                                    &editor,
 597                                    window,
 598                                    Self::handle_title_editor_event,
 599                                ));
 600                                Some(editor)
 601                            } else {
 602                                None
 603                            };
 604                        this.thread_state = ThreadState::Ready {
 605                            thread,
 606                            title_editor,
 607                            _subscriptions: subscriptions,
 608                        };
 609                        this.message_editor.focus_handle(cx).focus(window);
 610
 611                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 612                            cx.new(|cx| {
 613                                ProfileSelector::new(
 614                                    <dyn Fs>::global(cx),
 615                                    Arc::new(thread.clone()),
 616                                    this.focus_handle(cx),
 617                                    cx,
 618                                )
 619                            })
 620                        });
 621
 622                        cx.notify();
 623                    }
 624                    Err(err) => {
 625                        this.handle_load_error(err, window, cx);
 626                    }
 627                };
 628            })
 629            .log_err();
 630        });
 631
 632        cx.spawn(async move |this, cx| {
 633            while let Ok(new_version) = new_version_available_rx.recv().await {
 634                if let Some(new_version) = new_version {
 635                    this.update(cx, |this, cx| {
 636                        this.new_server_version_available = Some(new_version.into());
 637                        cx.notify();
 638                    })
 639                    .log_err();
 640                }
 641            }
 642        })
 643        .detach();
 644
 645        let loading_view = cx.new(|cx| {
 646            let update_title_task = cx.spawn(async move |this, cx| {
 647                loop {
 648                    let status = status_rx.recv().await?;
 649                    this.update(cx, |this: &mut LoadingView, cx| {
 650                        this.title = status;
 651                        cx.notify();
 652                    })?;
 653                }
 654            });
 655
 656            LoadingView {
 657                title: "Loading…".into(),
 658                _load_task: load_task,
 659                _update_title_task: update_title_task,
 660            }
 661        });
 662
 663        ThreadState::Loading(loading_view)
 664    }
 665
 666    fn handle_auth_required(
 667        this: WeakEntity<Self>,
 668        err: AuthRequired,
 669        agent: Rc<dyn AgentServer>,
 670        connection: Rc<dyn AgentConnection>,
 671        window: &mut Window,
 672        cx: &mut App,
 673    ) {
 674        let agent_name = agent.name();
 675        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id
 676            && provider_id != ANTHROPIC_PROVIDER_ID
 677        {
 678            let registry = LanguageModelRegistry::global(cx);
 679
 680            let sub = window.subscribe(&registry, cx, {
 681                let provider_id = provider_id.clone();
 682                let this = this.clone();
 683                move |_, ev, window, cx| {
 684                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 685                        && &provider_id == updated_provider_id
 686                        && LanguageModelRegistry::global(cx)
 687                            .read(cx)
 688                            .provider(&provider_id)
 689                            .map_or(false, |provider| provider.is_authenticated(cx))
 690                    {
 691                        this.update(cx, |this, cx| {
 692                            this.reset(window, cx);
 693                        })
 694                        .ok();
 695                    }
 696                }
 697            });
 698
 699            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 700                provider.configuration_view(
 701                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 702                    window,
 703                    cx,
 704                )
 705            });
 706
 707            (view, Some(sub))
 708        } else {
 709            (None, None)
 710        };
 711
 712        this.update(cx, |this, cx| {
 713            this.thread_state = ThreadState::Unauthenticated {
 714                pending_auth_method: None,
 715                connection,
 716                configuration_view,
 717                description: err
 718                    .description
 719                    .clone()
 720                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 721                _subscription: subscription,
 722            };
 723            if this.message_editor.focus_handle(cx).is_focused(window) {
 724                this.focus_handle.focus(window)
 725            }
 726            cx.notify();
 727        })
 728        .ok();
 729    }
 730
 731    fn handle_load_error(
 732        &mut self,
 733        err: anyhow::Error,
 734        window: &mut Window,
 735        cx: &mut Context<Self>,
 736    ) {
 737        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 738            self.thread_state = ThreadState::LoadError(load_err.clone());
 739        } else {
 740            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 741        }
 742        if self.message_editor.focus_handle(cx).is_focused(window) {
 743            self.focus_handle.focus(window)
 744        }
 745        cx.notify();
 746    }
 747
 748    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 749        &self.workspace
 750    }
 751
 752    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 753        match &self.thread_state {
 754            ThreadState::Ready { thread, .. } => Some(thread),
 755            ThreadState::Unauthenticated { .. }
 756            | ThreadState::Loading { .. }
 757            | ThreadState::LoadError { .. } => None,
 758        }
 759    }
 760
 761    pub fn title(&self, cx: &App) -> SharedString {
 762        match &self.thread_state {
 763            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 764            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 765            ThreadState::LoadError(error) => match error {
 766                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 767                LoadError::FailedToInstall(_) => {
 768                    format!("Failed to Install {}", self.agent.name()).into()
 769                }
 770                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 771                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 772            },
 773        }
 774    }
 775
 776    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 777        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 778            title_editor.clone()
 779        } else {
 780            None
 781        }
 782    }
 783
 784    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 785        self.thread_error.take();
 786        self.thread_retry_status.take();
 787
 788        if let Some(thread) = self.thread() {
 789            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 790        }
 791    }
 792
 793    pub fn expand_message_editor(
 794        &mut self,
 795        _: &ExpandMessageEditor,
 796        _window: &mut Window,
 797        cx: &mut Context<Self>,
 798    ) {
 799        self.set_editor_is_expanded(!self.editor_expanded, cx);
 800        cx.notify();
 801    }
 802
 803    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 804        self.editor_expanded = is_expanded;
 805        self.message_editor.update(cx, |editor, cx| {
 806            if is_expanded {
 807                editor.set_mode(
 808                    EditorMode::Full {
 809                        scale_ui_elements_with_buffer_font_size: false,
 810                        show_active_line_background: false,
 811                        sized_by_content: false,
 812                    },
 813                    cx,
 814                )
 815            } else {
 816                editor.set_mode(
 817                    EditorMode::AutoHeight {
 818                        min_lines: MIN_EDITOR_LINES,
 819                        max_lines: Some(MAX_EDITOR_LINES),
 820                    },
 821                    cx,
 822                )
 823            }
 824        });
 825        cx.notify();
 826    }
 827
 828    pub fn handle_title_editor_event(
 829        &mut self,
 830        title_editor: &Entity<Editor>,
 831        event: &EditorEvent,
 832        window: &mut Window,
 833        cx: &mut Context<Self>,
 834    ) {
 835        let Some(thread) = self.thread() else { return };
 836
 837        match event {
 838            EditorEvent::BufferEdited => {
 839                let new_title = title_editor.read(cx).text(cx);
 840                thread.update(cx, |thread, cx| {
 841                    thread
 842                        .set_title(new_title.into(), cx)
 843                        .detach_and_log_err(cx);
 844                })
 845            }
 846            EditorEvent::Blurred => {
 847                if title_editor.read(cx).text(cx).is_empty() {
 848                    title_editor.update(cx, |editor, cx| {
 849                        editor.set_text("New Thread", window, cx);
 850                    });
 851                }
 852            }
 853            _ => {}
 854        }
 855    }
 856
 857    pub fn handle_message_editor_event(
 858        &mut self,
 859        _: &Entity<MessageEditor>,
 860        event: &MessageEditorEvent,
 861        window: &mut Window,
 862        cx: &mut Context<Self>,
 863    ) {
 864        match event {
 865            MessageEditorEvent::Send => self.send(window, cx),
 866            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 867            MessageEditorEvent::Focus => {
 868                self.cancel_editing(&Default::default(), window, cx);
 869            }
 870            MessageEditorEvent::LostFocus => {}
 871        }
 872    }
 873
 874    pub fn handle_entry_view_event(
 875        &mut self,
 876        _: &Entity<EntryViewState>,
 877        event: &EntryViewEvent,
 878        window: &mut Window,
 879        cx: &mut Context<Self>,
 880    ) {
 881        match &event.view_event {
 882            ViewEvent::NewDiff(tool_call_id) => {
 883                if AgentSettings::get_global(cx).expand_edit_card {
 884                    self.expanded_tool_calls.insert(tool_call_id.clone());
 885                }
 886            }
 887            ViewEvent::NewTerminal(tool_call_id) => {
 888                if AgentSettings::get_global(cx).expand_terminal_card {
 889                    self.expanded_tool_calls.insert(tool_call_id.clone());
 890                }
 891            }
 892            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 893                self.expanded_tool_calls.remove(tool_call_id);
 894            }
 895            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 896                if let Some(thread) = self.thread()
 897                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 898                        thread.read(cx).entries().get(event.entry_index)
 899                    && user_message.id.is_some()
 900                {
 901                    self.editing_message = Some(event.entry_index);
 902                    cx.notify();
 903                }
 904            }
 905            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 906                if let Some(thread) = self.thread()
 907                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 908                        thread.read(cx).entries().get(event.entry_index)
 909                    && user_message.id.is_some()
 910                {
 911                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 912                        self.editing_message = None;
 913                        cx.notify();
 914                    }
 915                }
 916            }
 917            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 918                self.regenerate(event.entry_index, editor, window, cx);
 919            }
 920            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 921                self.cancel_editing(&Default::default(), window, cx);
 922            }
 923        }
 924    }
 925
 926    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 927        self.thread_error.take();
 928        let Some(thread) = self.thread() else {
 929            return;
 930        };
 931        if !thread.read(cx).can_resume(cx) {
 932            return;
 933        }
 934
 935        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 936        cx.spawn(async move |this, cx| {
 937            let result = task.await;
 938
 939            this.update(cx, |this, cx| {
 940                if let Err(err) = result {
 941                    this.handle_thread_error(err, cx);
 942                }
 943            })
 944        })
 945        .detach();
 946    }
 947
 948    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 949        let Some(thread) = self.thread() else { return };
 950
 951        if self.is_loading_contents {
 952            return;
 953        }
 954
 955        self.history_store.update(cx, |history, cx| {
 956            history.push_recently_opened_entry(
 957                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 958                cx,
 959            );
 960        });
 961
 962        if thread.read(cx).status() != ThreadStatus::Idle {
 963            self.stop_current_and_send_new_message(window, cx);
 964            return;
 965        }
 966
 967        let text = self.message_editor.read(cx).text(cx);
 968        let text = text.trim();
 969        if text == "/login" || text == "/logout" {
 970            let ThreadState::Ready { thread, .. } = &self.thread_state else {
 971                return;
 972            };
 973
 974            let connection = thread.read(cx).connection().clone();
 975            if !connection
 976                .auth_methods()
 977                .iter()
 978                .any(|method| method.id.0.as_ref() == "claude-login")
 979            {
 980                return;
 981            };
 982            let this = cx.weak_entity();
 983            let agent = self.agent.clone();
 984            window.defer(cx, |window, cx| {
 985                Self::handle_auth_required(
 986                    this,
 987                    AuthRequired {
 988                        description: None,
 989                        provider_id: None,
 990                    },
 991                    agent,
 992                    connection,
 993                    window,
 994                    cx,
 995                );
 996            });
 997            cx.notify();
 998            return;
 999        }
1000
1001        let contents = self
1002            .message_editor
1003            .update(cx, |message_editor, cx| message_editor.contents(cx));
1004        self.send_impl(contents, window, cx)
1005    }
1006
1007    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1008        let Some(thread) = self.thread().cloned() else {
1009            return;
1010        };
1011
1012        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1013
1014        let contents = self
1015            .message_editor
1016            .update(cx, |message_editor, cx| message_editor.contents(cx));
1017
1018        cx.spawn_in(window, async move |this, cx| {
1019            cancelled.await;
1020
1021            this.update_in(cx, |this, window, cx| {
1022                this.send_impl(contents, window, cx);
1023            })
1024            .ok();
1025        })
1026        .detach();
1027    }
1028
1029    fn send_impl(
1030        &mut self,
1031        contents: Task<Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
1032        window: &mut Window,
1033        cx: &mut Context<Self>,
1034    ) {
1035        let agent_telemetry_id = self.agent.telemetry_id();
1036
1037        self.thread_error.take();
1038        self.editing_message.take();
1039        self.thread_feedback.clear();
1040
1041        let Some(thread) = self.thread() else {
1042            return;
1043        };
1044        let thread = thread.downgrade();
1045        if self.should_be_following {
1046            self.workspace
1047                .update(cx, |workspace, cx| {
1048                    workspace.follow(CollaboratorId::Agent, window, cx);
1049                })
1050                .ok();
1051        }
1052
1053        self.is_loading_contents = true;
1054        let guard = cx.new(|_| ());
1055        cx.observe_release(&guard, |this, _guard, cx| {
1056            this.is_loading_contents = false;
1057            cx.notify();
1058        })
1059        .detach();
1060
1061        let task = cx.spawn_in(window, async move |this, cx| {
1062            let (contents, tracked_buffers) = contents.await?;
1063
1064            if contents.is_empty() {
1065                return Ok(());
1066            }
1067
1068            this.update_in(cx, |this, window, cx| {
1069                this.set_editor_is_expanded(false, cx);
1070                this.scroll_to_bottom(cx);
1071                this.message_editor.update(cx, |message_editor, cx| {
1072                    message_editor.clear(window, cx);
1073                });
1074            })?;
1075            let send = thread.update(cx, |thread, cx| {
1076                thread.action_log().update(cx, |action_log, cx| {
1077                    for buffer in tracked_buffers {
1078                        action_log.buffer_read(buffer, cx)
1079                    }
1080                });
1081                drop(guard);
1082
1083                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1084
1085                thread.send(contents, cx)
1086            })?;
1087            send.await
1088        });
1089
1090        cx.spawn(async move |this, cx| {
1091            if let Err(err) = task.await {
1092                this.update(cx, |this, cx| {
1093                    this.handle_thread_error(err, cx);
1094                })
1095                .ok();
1096            } else {
1097                this.update(cx, |this, cx| {
1098                    this.should_be_following = this
1099                        .workspace
1100                        .update(cx, |workspace, _| {
1101                            workspace.is_being_followed(CollaboratorId::Agent)
1102                        })
1103                        .unwrap_or_default();
1104                })
1105                .ok();
1106            }
1107        })
1108        .detach();
1109    }
1110
1111    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1112        let Some(thread) = self.thread().cloned() else {
1113            return;
1114        };
1115
1116        if let Some(index) = self.editing_message.take()
1117            && let Some(editor) = self
1118                .entry_view_state
1119                .read(cx)
1120                .entry(index)
1121                .and_then(|e| e.message_editor())
1122                .cloned()
1123        {
1124            editor.update(cx, |editor, cx| {
1125                if let Some(user_message) = thread
1126                    .read(cx)
1127                    .entries()
1128                    .get(index)
1129                    .and_then(|e| e.user_message())
1130                {
1131                    editor.set_message(user_message.chunks.clone(), window, cx);
1132                }
1133            })
1134        };
1135        self.focus_handle(cx).focus(window);
1136        cx.notify();
1137    }
1138
1139    fn regenerate(
1140        &mut self,
1141        entry_ix: usize,
1142        message_editor: &Entity<MessageEditor>,
1143        window: &mut Window,
1144        cx: &mut Context<Self>,
1145    ) {
1146        let Some(thread) = self.thread().cloned() else {
1147            return;
1148        };
1149        if self.is_loading_contents {
1150            return;
1151        }
1152
1153        let Some(user_message_id) = thread.update(cx, |thread, _| {
1154            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1155        }) else {
1156            return;
1157        };
1158
1159        let contents = message_editor.update(cx, |message_editor, cx| message_editor.contents(cx));
1160
1161        let task = cx.spawn(async move |_, cx| {
1162            let contents = contents.await?;
1163            thread
1164                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1165                .await?;
1166            Ok(contents)
1167        });
1168        self.send_impl(task, window, cx);
1169    }
1170
1171    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
1172        if let Some(thread) = self.thread() {
1173            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
1174        }
1175    }
1176
1177    fn open_edited_buffer(
1178        &mut self,
1179        buffer: &Entity<Buffer>,
1180        window: &mut Window,
1181        cx: &mut Context<Self>,
1182    ) {
1183        let Some(thread) = self.thread() else {
1184            return;
1185        };
1186
1187        let Some(diff) =
1188            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1189        else {
1190            return;
1191        };
1192
1193        diff.update(cx, |diff, cx| {
1194            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1195        })
1196    }
1197
1198    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1199        let Some(thread) = self.as_native_thread(cx) else {
1200            return;
1201        };
1202        let project_context = thread.read(cx).project_context().read(cx);
1203
1204        let project_entry_ids = project_context
1205            .worktrees
1206            .iter()
1207            .flat_map(|worktree| worktree.rules_file.as_ref())
1208            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1209            .collect::<Vec<_>>();
1210
1211        self.workspace
1212            .update(cx, move |workspace, cx| {
1213                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1214                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1215                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1216                let project = workspace.project().read(cx);
1217                let project_paths = project_entry_ids
1218                    .into_iter()
1219                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1220                    .collect::<Vec<_>>();
1221                for project_path in project_paths {
1222                    workspace
1223                        .open_path(project_path, None, true, window, cx)
1224                        .detach_and_log_err(cx);
1225                }
1226            })
1227            .ok();
1228    }
1229
1230    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1231        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1232        cx.notify();
1233    }
1234
1235    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1236        self.thread_error = None;
1237        cx.notify();
1238    }
1239
1240    fn handle_thread_event(
1241        &mut self,
1242        thread: &Entity<AcpThread>,
1243        event: &AcpThreadEvent,
1244        window: &mut Window,
1245        cx: &mut Context<Self>,
1246    ) {
1247        match event {
1248            AcpThreadEvent::NewEntry => {
1249                let len = thread.read(cx).entries().len();
1250                let index = len - 1;
1251                self.entry_view_state.update(cx, |view_state, cx| {
1252                    view_state.sync_entry(index, thread, window, cx);
1253                    self.list_state.splice_focusable(
1254                        index..index,
1255                        [view_state
1256                            .entry(index)
1257                            .and_then(|entry| entry.focus_handle(cx))],
1258                    );
1259                });
1260            }
1261            AcpThreadEvent::EntryUpdated(index) => {
1262                self.entry_view_state.update(cx, |view_state, cx| {
1263                    view_state.sync_entry(*index, thread, window, cx)
1264                });
1265            }
1266            AcpThreadEvent::EntriesRemoved(range) => {
1267                self.entry_view_state
1268                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1269                self.list_state.splice(range.clone(), 0);
1270            }
1271            AcpThreadEvent::ToolAuthorizationRequired => {
1272                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1273            }
1274            AcpThreadEvent::Retry(retry) => {
1275                self.thread_retry_status = Some(retry.clone());
1276            }
1277            AcpThreadEvent::Stopped => {
1278                self.thread_retry_status.take();
1279                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1280                self.notify_with_sound(
1281                    if used_tools {
1282                        "Finished running tools"
1283                    } else {
1284                        "New message"
1285                    },
1286                    IconName::ZedAssistant,
1287                    window,
1288                    cx,
1289                );
1290            }
1291            AcpThreadEvent::Refusal => {
1292                self.thread_retry_status.take();
1293                self.thread_error = Some(ThreadError::Refusal);
1294                let model_or_agent_name = self.get_current_model_name(cx);
1295                let notification_message =
1296                    format!("{} refused to respond to this request", model_or_agent_name);
1297                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1298            }
1299            AcpThreadEvent::Error => {
1300                self.thread_retry_status.take();
1301                self.notify_with_sound(
1302                    "Agent stopped due to an error",
1303                    IconName::Warning,
1304                    window,
1305                    cx,
1306                );
1307            }
1308            AcpThreadEvent::LoadError(error) => {
1309                self.thread_retry_status.take();
1310                self.thread_state = ThreadState::LoadError(error.clone());
1311                if self.message_editor.focus_handle(cx).is_focused(window) {
1312                    self.focus_handle.focus(window)
1313                }
1314            }
1315            AcpThreadEvent::TitleUpdated => {
1316                let title = thread.read(cx).title();
1317                if let Some(title_editor) = self.title_editor() {
1318                    title_editor.update(cx, |editor, cx| {
1319                        if editor.text(cx) != title {
1320                            editor.set_text(title, window, cx);
1321                        }
1322                    });
1323                }
1324            }
1325            AcpThreadEvent::PromptCapabilitiesUpdated => {
1326                self.prompt_capabilities
1327                    .set(thread.read(cx).prompt_capabilities());
1328            }
1329            AcpThreadEvent::TokenUsageUpdated => {}
1330            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1331                let mut available_commands = available_commands.clone();
1332
1333                if thread
1334                    .read(cx)
1335                    .connection()
1336                    .auth_methods()
1337                    .iter()
1338                    .any(|method| method.id.0.as_ref() == "claude-login")
1339                {
1340                    available_commands.push(acp::AvailableCommand {
1341                        name: "login".to_owned(),
1342                        description: "Authenticate".to_owned(),
1343                        input: None,
1344                    });
1345                    available_commands.push(acp::AvailableCommand {
1346                        name: "logout".to_owned(),
1347                        description: "Authenticate".to_owned(),
1348                        input: None,
1349                    });
1350                }
1351
1352                self.available_commands.replace(available_commands);
1353            }
1354        }
1355        cx.notify();
1356    }
1357
1358    fn authenticate(
1359        &mut self,
1360        method: acp::AuthMethodId,
1361        window: &mut Window,
1362        cx: &mut Context<Self>,
1363    ) {
1364        let ThreadState::Unauthenticated {
1365            connection,
1366            pending_auth_method,
1367            configuration_view,
1368            ..
1369        } = &mut self.thread_state
1370        else {
1371            return;
1372        };
1373
1374        if method.0.as_ref() == "gemini-api-key" {
1375            let registry = LanguageModelRegistry::global(cx);
1376            let provider = registry
1377                .read(cx)
1378                .provider(&language_model::GOOGLE_PROVIDER_ID)
1379                .unwrap();
1380            if !provider.is_authenticated(cx) {
1381                let this = cx.weak_entity();
1382                let agent = self.agent.clone();
1383                let connection = connection.clone();
1384                window.defer(cx, |window, cx| {
1385                    Self::handle_auth_required(
1386                        this,
1387                        AuthRequired {
1388                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1389                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1390                        },
1391                        agent,
1392                        connection,
1393                        window,
1394                        cx,
1395                    );
1396                });
1397                return;
1398            }
1399        } else if method.0.as_ref() == "anthropic-api-key" {
1400            let registry = LanguageModelRegistry::global(cx);
1401            let provider = registry
1402                .read(cx)
1403                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1404                .unwrap();
1405            let this = cx.weak_entity();
1406            let agent = self.agent.clone();
1407            let connection = connection.clone();
1408            window.defer(cx, move |window, cx| {
1409                if !provider.is_authenticated(cx) {
1410                    Self::handle_auth_required(
1411                        this,
1412                        AuthRequired {
1413                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1414                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1415                        },
1416                        agent,
1417                        connection,
1418                        window,
1419                        cx,
1420                    );
1421                } else {
1422                    this.update(cx, |this, cx| {
1423                        this.thread_state = Self::initial_state(
1424                            agent,
1425                            None,
1426                            this.workspace.clone(),
1427                            this.project.clone(),
1428                            window,
1429                            cx,
1430                        )
1431                    })
1432                    .ok();
1433                }
1434            });
1435            return;
1436        } else if method.0.as_ref() == "vertex-ai"
1437            && std::env::var("GOOGLE_API_KEY").is_err()
1438            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1439                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1440        {
1441            let this = cx.weak_entity();
1442            let agent = self.agent.clone();
1443            let connection = connection.clone();
1444
1445            window.defer(cx, |window, cx| {
1446                    Self::handle_auth_required(
1447                        this,
1448                        AuthRequired {
1449                            description: Some(
1450                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1451                                    .to_owned(),
1452                            ),
1453                            provider_id: None,
1454                        },
1455                        agent,
1456                        connection,
1457                        window,
1458                        cx,
1459                    )
1460                });
1461            return;
1462        }
1463
1464        self.thread_error.take();
1465        configuration_view.take();
1466        pending_auth_method.replace(method.clone());
1467        let authenticate = if method.0.as_ref() == "claude-login" {
1468            if let Some(workspace) = self.workspace.upgrade() {
1469                Self::spawn_claude_login(&workspace, window, cx)
1470            } else {
1471                Task::ready(Ok(()))
1472            }
1473        } else {
1474            connection.authenticate(method, cx)
1475        };
1476        cx.notify();
1477        self.auth_task =
1478            Some(cx.spawn_in(window, {
1479                let agent = self.agent.clone();
1480                async move |this, cx| {
1481                    let result = authenticate.await;
1482
1483                    match &result {
1484                        Ok(_) => telemetry::event!(
1485                            "Authenticate Agent Succeeded",
1486                            agent = agent.telemetry_id()
1487                        ),
1488                        Err(_) => {
1489                            telemetry::event!(
1490                                "Authenticate Agent Failed",
1491                                agent = agent.telemetry_id(),
1492                            )
1493                        }
1494                    }
1495
1496                    this.update_in(cx, |this, window, cx| {
1497                        if let Err(err) = result {
1498                            if let ThreadState::Unauthenticated {
1499                                pending_auth_method,
1500                                ..
1501                            } = &mut this.thread_state
1502                            {
1503                                pending_auth_method.take();
1504                            }
1505                            this.handle_thread_error(err, cx);
1506                        } else {
1507                            this.reset(window, cx);
1508                        }
1509                        this.auth_task.take()
1510                    })
1511                    .ok();
1512                }
1513            }));
1514    }
1515
1516    fn spawn_claude_login(
1517        workspace: &Entity<Workspace>,
1518        window: &mut Window,
1519        cx: &mut App,
1520    ) -> Task<Result<()>> {
1521        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1522            return Task::ready(Ok(()));
1523        };
1524        let project_entity = workspace.read(cx).project();
1525        let project = project_entity.read(cx);
1526        let cwd = project.first_project_directory(cx);
1527        let shell = project.terminal_settings(&cwd, cx).shell.clone();
1528
1529        let delegate = AgentServerDelegate::new(project_entity.clone(), None, None);
1530        let command = ClaudeCode::login_command(delegate, cx);
1531
1532        window.spawn(cx, async move |cx| {
1533            let login_command = command.await?;
1534            let command = login_command
1535                .path
1536                .to_str()
1537                .with_context(|| format!("invalid login command: {:?}", login_command.path))?;
1538            let command = shlex::try_quote(command)?;
1539            let args = login_command
1540                .arguments
1541                .iter()
1542                .map(|arg| {
1543                    Ok(shlex::try_quote(arg)
1544                        .context("Failed to quote argument")?
1545                        .to_string())
1546                })
1547                .collect::<Result<Vec<_>>>()?;
1548
1549            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1550                terminal_panel.spawn_task(
1551                    &SpawnInTerminal {
1552                        id: task::TaskId("claude-login".into()),
1553                        full_label: "claude /login".to_owned(),
1554                        label: "claude /login".to_owned(),
1555                        command: Some(command.into()),
1556                        args,
1557                        command_label: "claude /login".to_owned(),
1558                        cwd,
1559                        use_new_terminal: true,
1560                        allow_concurrent_runs: true,
1561                        hide: task::HideStrategy::Always,
1562                        shell,
1563                        ..Default::default()
1564                    },
1565                    window,
1566                    cx,
1567                )
1568            })?;
1569
1570            let terminal = terminal.await?;
1571            let mut exit_status = terminal
1572                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1573                .fuse();
1574
1575            let logged_in = cx
1576                .spawn({
1577                    let terminal = terminal.clone();
1578                    async move |cx| {
1579                        loop {
1580                            cx.background_executor().timer(Duration::from_secs(1)).await;
1581                            let content =
1582                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1583                            if content.contains("Login successful") {
1584                                return anyhow::Ok(());
1585                            }
1586                        }
1587                    }
1588                })
1589                .fuse();
1590            futures::pin_mut!(logged_in);
1591            futures::select_biased! {
1592                result = logged_in => {
1593                    if let Err(e) = result {
1594                        log::error!("{e}");
1595                        return Err(anyhow!("exited before logging in"));
1596                    }
1597                }
1598                _ = exit_status => {
1599                    return Err(anyhow!("exited before logging in"));
1600                }
1601            }
1602            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1603            Ok(())
1604        })
1605    }
1606
1607    fn authorize_tool_call(
1608        &mut self,
1609        tool_call_id: acp::ToolCallId,
1610        option_id: acp::PermissionOptionId,
1611        option_kind: acp::PermissionOptionKind,
1612        window: &mut Window,
1613        cx: &mut Context<Self>,
1614    ) {
1615        let Some(thread) = self.thread() else {
1616            return;
1617        };
1618        thread.update(cx, |thread, cx| {
1619            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1620        });
1621        if self.should_be_following {
1622            self.workspace
1623                .update(cx, |workspace, cx| {
1624                    workspace.follow(CollaboratorId::Agent, window, cx);
1625                })
1626                .ok();
1627        }
1628        cx.notify();
1629    }
1630
1631    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1632        let Some(thread) = self.thread() else {
1633            return;
1634        };
1635        thread
1636            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1637            .detach_and_log_err(cx);
1638        cx.notify();
1639    }
1640
1641    fn render_entry(
1642        &self,
1643        entry_ix: usize,
1644        total_entries: usize,
1645        entry: &AgentThreadEntry,
1646        window: &mut Window,
1647        cx: &Context<Self>,
1648    ) -> AnyElement {
1649        let primary = match &entry {
1650            AgentThreadEntry::UserMessage(message) => {
1651                let Some(editor) = self
1652                    .entry_view_state
1653                    .read(cx)
1654                    .entry(entry_ix)
1655                    .and_then(|entry| entry.message_editor())
1656                    .cloned()
1657                else {
1658                    return Empty.into_any_element();
1659                };
1660
1661                let editing = self.editing_message == Some(entry_ix);
1662                let editor_focus = editor.focus_handle(cx).is_focused(window);
1663                let focus_border = cx.theme().colors().border_focused;
1664
1665                let rules_item = if entry_ix == 0 {
1666                    self.render_rules_item(cx)
1667                } else {
1668                    None
1669                };
1670
1671                let has_checkpoint_button = message
1672                    .checkpoint
1673                    .as_ref()
1674                    .is_some_and(|checkpoint| checkpoint.show);
1675
1676                let agent_name = self.agent.name();
1677
1678                v_flex()
1679                    .id(("user_message", entry_ix))
1680                    .map(|this| {
1681                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1682                            this.pt(rems_from_px(18.))
1683                        } else if rules_item.is_some() {
1684                            this.pt_3()
1685                        } else {
1686                            this.pt_2()
1687                        }
1688                    })
1689                    .pb_3()
1690                    .px_2()
1691                    .gap_1p5()
1692                    .w_full()
1693                    .children(rules_item)
1694                    .children(message.id.clone().and_then(|message_id| {
1695                        message.checkpoint.as_ref()?.show.then(|| {
1696                            h_flex()
1697                                .px_3()
1698                                .gap_2()
1699                                .child(Divider::horizontal())
1700                                .child(
1701                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1702                                        .icon(IconName::Undo)
1703                                        .icon_size(IconSize::XSmall)
1704                                        .icon_position(IconPosition::Start)
1705                                        .label_size(LabelSize::XSmall)
1706                                        .icon_color(Color::Muted)
1707                                        .color(Color::Muted)
1708                                        .on_click(cx.listener(move |this, _, _window, cx| {
1709                                            this.rewind(&message_id, cx);
1710                                        }))
1711                                )
1712                                .child(Divider::horizontal())
1713                        })
1714                    }))
1715                    .child(
1716                        div()
1717                            .relative()
1718                            .child(
1719                                div()
1720                                    .py_3()
1721                                    .px_2()
1722                                    .rounded_md()
1723                                    .shadow_md()
1724                                    .bg(cx.theme().colors().editor_background)
1725                                    .border_1()
1726                                    .when(editing && !editor_focus, |this| this.border_dashed())
1727                                    .border_color(cx.theme().colors().border)
1728                                    .map(|this|{
1729                                        if editing && editor_focus {
1730                                            this.border_color(focus_border)
1731                                        } else if message.id.is_some() {
1732                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1733                                        } else {
1734                                            this
1735                                        }
1736                                    })
1737                                    .text_xs()
1738                                    .child(editor.clone().into_any_element()),
1739                            )
1740                            .when(editor_focus, |this| {
1741                                let base_container = h_flex()
1742                                    .absolute()
1743                                    .top_neg_3p5()
1744                                    .right_3()
1745                                    .gap_1()
1746                                    .rounded_sm()
1747                                    .border_1()
1748                                    .border_color(cx.theme().colors().border)
1749                                    .bg(cx.theme().colors().editor_background)
1750                                    .overflow_hidden();
1751
1752                                if message.id.is_some() {
1753                                    this.child(
1754                                        base_container
1755                                            .child(
1756                                                IconButton::new("cancel", IconName::Close)
1757                                                    .disabled(self.is_loading_contents)
1758                                                    .icon_color(Color::Error)
1759                                                    .icon_size(IconSize::XSmall)
1760                                                    .on_click(cx.listener(Self::cancel_editing))
1761                                            )
1762                                            .child(
1763                                                if self.is_loading_contents {
1764                                                    div()
1765                                                        .id("loading-edited-message-content")
1766                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1767                                                        .child(loading_contents_spinner(IconSize::XSmall))
1768                                                        .into_any_element()
1769                                                } else {
1770                                                    IconButton::new("regenerate", IconName::Return)
1771                                                        .icon_color(Color::Muted)
1772                                                        .icon_size(IconSize::XSmall)
1773                                                        .tooltip(Tooltip::text(
1774                                                            "Editing will restart the thread from this point."
1775                                                        ))
1776                                                        .on_click(cx.listener({
1777                                                            let editor = editor.clone();
1778                                                            move |this, _, window, cx| {
1779                                                                this.regenerate(
1780                                                                    entry_ix, &editor, window, cx,
1781                                                                );
1782                                                            }
1783                                                        })).into_any_element()
1784                                                }
1785                                            )
1786                                    )
1787                                } else {
1788                                    this.child(
1789                                        base_container
1790                                            .border_dashed()
1791                                            .child(
1792                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1793                                                    .icon_size(IconSize::Small)
1794                                                    .icon_color(Color::Muted)
1795                                                    .style(ButtonStyle::Transparent)
1796                                                    .tooltip(move |_window, cx| {
1797                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1798                                                            .into()
1799                                                    })
1800                                            )
1801                                    )
1802                                }
1803                            }),
1804                    )
1805                    .into_any()
1806            }
1807            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1808                let is_last = entry_ix + 1 == total_entries;
1809
1810                let style = default_markdown_style(false, false, window, cx);
1811                let message_body = v_flex()
1812                    .w_full()
1813                    .gap_3()
1814                    .children(chunks.iter().enumerate().filter_map(
1815                        |(chunk_ix, chunk)| match chunk {
1816                            AssistantMessageChunk::Message { block } => {
1817                                block.markdown().map(|md| {
1818                                    self.render_markdown(md.clone(), style.clone())
1819                                        .into_any_element()
1820                                })
1821                            }
1822                            AssistantMessageChunk::Thought { block } => {
1823                                block.markdown().map(|md| {
1824                                    self.render_thinking_block(
1825                                        entry_ix,
1826                                        chunk_ix,
1827                                        md.clone(),
1828                                        window,
1829                                        cx,
1830                                    )
1831                                    .into_any_element()
1832                                })
1833                            }
1834                        },
1835                    ))
1836                    .into_any();
1837
1838                v_flex()
1839                    .px_5()
1840                    .py_1p5()
1841                    .when(is_last, |this| this.pb_4())
1842                    .w_full()
1843                    .text_ui(cx)
1844                    .child(message_body)
1845                    .into_any()
1846            }
1847            AgentThreadEntry::ToolCall(tool_call) => {
1848                let has_terminals = tool_call.terminals().next().is_some();
1849
1850                div().w_full().map(|this| {
1851                    if has_terminals {
1852                        this.children(tool_call.terminals().map(|terminal| {
1853                            self.render_terminal_tool_call(
1854                                entry_ix, terminal, tool_call, window, cx,
1855                            )
1856                        }))
1857                    } else {
1858                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1859                    }
1860                })
1861            }
1862            .into_any(),
1863        };
1864
1865        let Some(thread) = self.thread() else {
1866            return primary;
1867        };
1868
1869        let primary = if entry_ix == total_entries - 1 {
1870            v_flex()
1871                .w_full()
1872                .child(primary)
1873                .child(self.render_thread_controls(&thread, cx))
1874                .when_some(
1875                    self.thread_feedback.comments_editor.clone(),
1876                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1877                )
1878                .into_any_element()
1879        } else {
1880            primary
1881        };
1882
1883        if let Some(editing_index) = self.editing_message.as_ref()
1884            && *editing_index < entry_ix
1885        {
1886            let backdrop = div()
1887                .id(("backdrop", entry_ix))
1888                .size_full()
1889                .absolute()
1890                .inset_0()
1891                .bg(cx.theme().colors().panel_background)
1892                .opacity(0.8)
1893                .block_mouse_except_scroll()
1894                .on_click(cx.listener(Self::cancel_editing));
1895
1896            div()
1897                .relative()
1898                .child(primary)
1899                .child(backdrop)
1900                .into_any_element()
1901        } else {
1902            primary
1903        }
1904    }
1905
1906    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1907        cx.theme()
1908            .colors()
1909            .element_background
1910            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1911    }
1912
1913    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1914        cx.theme().colors().border.opacity(0.8)
1915    }
1916
1917    fn tool_name_font_size(&self) -> Rems {
1918        rems_from_px(13.)
1919    }
1920
1921    fn render_thinking_block(
1922        &self,
1923        entry_ix: usize,
1924        chunk_ix: usize,
1925        chunk: Entity<Markdown>,
1926        window: &Window,
1927        cx: &Context<Self>,
1928    ) -> AnyElement {
1929        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1930        let card_header_id = SharedString::from("inner-card-header");
1931
1932        let key = (entry_ix, chunk_ix);
1933
1934        let is_open = self.expanded_thinking_blocks.contains(&key);
1935
1936        let scroll_handle = self
1937            .entry_view_state
1938            .read(cx)
1939            .entry(entry_ix)
1940            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
1941
1942        let thinking_content = {
1943            div()
1944                .id(("thinking-content", chunk_ix))
1945                .when_some(scroll_handle, |this, scroll_handle| {
1946                    this.track_scroll(&scroll_handle)
1947                })
1948                .text_ui_sm(cx)
1949                .overflow_hidden()
1950                .child(
1951                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
1952                )
1953        };
1954
1955        v_flex()
1956            .gap_1()
1957            .child(
1958                h_flex()
1959                    .id(header_id)
1960                    .group(&card_header_id)
1961                    .relative()
1962                    .w_full()
1963                    .pr_1()
1964                    .justify_between()
1965                    .child(
1966                        h_flex()
1967                            .h(window.line_height() - px(2.))
1968                            .gap_1p5()
1969                            .overflow_hidden()
1970                            .child(
1971                                Icon::new(IconName::ToolThink)
1972                                    .size(IconSize::Small)
1973                                    .color(Color::Muted),
1974                            )
1975                            .child(
1976                                div()
1977                                    .text_size(self.tool_name_font_size())
1978                                    .text_color(cx.theme().colors().text_muted)
1979                                    .child("Thinking"),
1980                            ),
1981                    )
1982                    .child(
1983                        Disclosure::new(("expand", entry_ix), is_open)
1984                            .opened_icon(IconName::ChevronUp)
1985                            .closed_icon(IconName::ChevronDown)
1986                            .visible_on_hover(&card_header_id)
1987                            .on_click(cx.listener({
1988                                move |this, _event, _window, cx| {
1989                                    if is_open {
1990                                        this.expanded_thinking_blocks.remove(&key);
1991                                    } else {
1992                                        this.expanded_thinking_blocks.insert(key);
1993                                    }
1994                                    cx.notify();
1995                                }
1996                            })),
1997                    )
1998                    .on_click(cx.listener({
1999                        move |this, _event, _window, cx| {
2000                            if is_open {
2001                                this.expanded_thinking_blocks.remove(&key);
2002                            } else {
2003                                this.expanded_thinking_blocks.insert(key);
2004                            }
2005                            cx.notify();
2006                        }
2007                    })),
2008            )
2009            .when(is_open, |this| {
2010                this.child(
2011                    div()
2012                        .ml_1p5()
2013                        .pl_3p5()
2014                        .border_l_1()
2015                        .border_color(self.tool_card_border_color(cx))
2016                        .child(thinking_content),
2017                )
2018            })
2019            .into_any_element()
2020    }
2021
2022    fn render_tool_call(
2023        &self,
2024        entry_ix: usize,
2025        tool_call: &ToolCall,
2026        window: &Window,
2027        cx: &Context<Self>,
2028    ) -> Div {
2029        let card_header_id = SharedString::from("inner-tool-call-header");
2030
2031        let tool_icon =
2032            if tool_call.kind == acp::ToolKind::Edit && tool_call.locations.len() == 1 {
2033                FileIcons::get_icon(&tool_call.locations[0].path, cx)
2034                    .map(Icon::from_path)
2035                    .unwrap_or(Icon::new(IconName::ToolPencil))
2036            } else {
2037                Icon::new(match tool_call.kind {
2038                    acp::ToolKind::Read => IconName::ToolSearch,
2039                    acp::ToolKind::Edit => IconName::ToolPencil,
2040                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
2041                    acp::ToolKind::Move => IconName::ArrowRightLeft,
2042                    acp::ToolKind::Search => IconName::ToolSearch,
2043                    acp::ToolKind::Execute => IconName::ToolTerminal,
2044                    acp::ToolKind::Think => IconName::ToolThink,
2045                    acp::ToolKind::Fetch => IconName::ToolWeb,
2046                    acp::ToolKind::Other => IconName::ToolHammer,
2047                })
2048            }
2049            .size(IconSize::Small)
2050            .color(Color::Muted);
2051
2052        let failed_or_canceled = match &tool_call.status {
2053            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2054            _ => false,
2055        };
2056
2057        let has_location = tool_call.locations.len() == 1;
2058        let needs_confirmation = matches!(
2059            tool_call.status,
2060            ToolCallStatus::WaitingForConfirmation { .. }
2061        );
2062        let is_edit =
2063            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2064        let use_card_layout = needs_confirmation || is_edit;
2065
2066        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2067
2068        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2069
2070        let gradient_overlay = {
2071            div()
2072                .absolute()
2073                .top_0()
2074                .right_0()
2075                .w_12()
2076                .h_full()
2077                .map(|this| {
2078                    if use_card_layout {
2079                        this.bg(linear_gradient(
2080                            90.,
2081                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2082                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2083                        ))
2084                    } else {
2085                        this.bg(linear_gradient(
2086                            90.,
2087                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2088                            linear_color_stop(
2089                                cx.theme().colors().panel_background.opacity(0.2),
2090                                0.,
2091                            ),
2092                        ))
2093                    }
2094                })
2095        };
2096
2097        let tool_output_display = if is_open {
2098            match &tool_call.status {
2099                ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2100                    .w_full()
2101                    .children(tool_call.content.iter().map(|content| {
2102                        div()
2103                            .child(self.render_tool_call_content(
2104                                entry_ix,
2105                                content,
2106                                tool_call,
2107                                use_card_layout,
2108                                window,
2109                                cx,
2110                            ))
2111                            .into_any_element()
2112                    }))
2113                    .child(self.render_permission_buttons(
2114                        options,
2115                        entry_ix,
2116                        tool_call.id.clone(),
2117                        cx,
2118                    ))
2119                    .into_any(),
2120                ToolCallStatus::Pending | ToolCallStatus::InProgress
2121                    if is_edit
2122                        && tool_call.content.is_empty()
2123                        && self.as_native_connection(cx).is_some() =>
2124                {
2125                    self.render_diff_loading(cx).into_any()
2126                }
2127                ToolCallStatus::Pending
2128                | ToolCallStatus::InProgress
2129                | ToolCallStatus::Completed
2130                | ToolCallStatus::Failed
2131                | ToolCallStatus::Canceled => v_flex()
2132                    .w_full()
2133                    .children(tool_call.content.iter().map(|content| {
2134                        div().child(self.render_tool_call_content(
2135                            entry_ix,
2136                            content,
2137                            tool_call,
2138                            use_card_layout,
2139                            window,
2140                            cx,
2141                        ))
2142                    }))
2143                    .into_any(),
2144                ToolCallStatus::Rejected => Empty.into_any(),
2145            }
2146            .into()
2147        } else {
2148            None
2149        };
2150
2151        v_flex()
2152            .map(|this| {
2153                if use_card_layout {
2154                    this.my_1p5()
2155                        .rounded_md()
2156                        .border_1()
2157                        .border_color(self.tool_card_border_color(cx))
2158                        .bg(cx.theme().colors().editor_background)
2159                        .overflow_hidden()
2160                } else {
2161                    this.my_1()
2162                }
2163            })
2164            .map(|this| {
2165                if has_location && !use_card_layout {
2166                    this.ml_4()
2167                } else {
2168                    this.ml_5()
2169                }
2170            })
2171            .mr_5()
2172            .child(
2173                h_flex()
2174                    .group(&card_header_id)
2175                    .relative()
2176                    .w_full()
2177                    .gap_1()
2178                    .justify_between()
2179                    .when(use_card_layout, |this| {
2180                        this.p_0p5()
2181                            .rounded_t(rems_from_px(5.))
2182                            .bg(self.tool_card_header_bg(cx))
2183                    })
2184                    .child(
2185                        h_flex()
2186                            .relative()
2187                            .w_full()
2188                            .h(window.line_height() - px(2.))
2189                            .text_size(self.tool_name_font_size())
2190                            .gap_1p5()
2191                            .when(has_location || use_card_layout, |this| this.px_1())
2192                            .when(has_location, |this| {
2193                                this.cursor(CursorStyle::PointingHand)
2194                                    .rounded(rems_from_px(3.)) // Concentric border radius
2195                                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2196                            })
2197                            .overflow_hidden()
2198                            .child(tool_icon)
2199                            .child(if has_location {
2200                                let name = tool_call.locations[0]
2201                                    .path
2202                                    .file_name()
2203                                    .unwrap_or_default()
2204                                    .display()
2205                                    .to_string();
2206
2207                                h_flex()
2208                                    .id(("open-tool-call-location", entry_ix))
2209                                    .w_full()
2210                                    .map(|this| {
2211                                        if use_card_layout {
2212                                            this.text_color(cx.theme().colors().text)
2213                                        } else {
2214                                            this.text_color(cx.theme().colors().text_muted)
2215                                        }
2216                                    })
2217                                    .child(name)
2218                                    .tooltip(Tooltip::text("Jump to File"))
2219                                    .on_click(cx.listener(move |this, _, window, cx| {
2220                                        this.open_tool_call_location(entry_ix, 0, window, cx);
2221                                    }))
2222                                    .into_any_element()
2223                            } else {
2224                                h_flex()
2225                                    .w_full()
2226                                    .child(self.render_markdown(
2227                                        tool_call.label.clone(),
2228                                        default_markdown_style(false, true, window, cx),
2229                                    ))
2230                                    .into_any()
2231                            })
2232                            .when(!has_location, |this| this.child(gradient_overlay)),
2233                    )
2234                    .when(is_collapsible || failed_or_canceled, |this| {
2235                        this.child(
2236                            h_flex()
2237                                .px_1()
2238                                .gap_px()
2239                                .when(is_collapsible, |this| {
2240                                    this.child(
2241                                    Disclosure::new(("expand", entry_ix), is_open)
2242                                        .opened_icon(IconName::ChevronUp)
2243                                        .closed_icon(IconName::ChevronDown)
2244                                        .visible_on_hover(&card_header_id)
2245                                        .on_click(cx.listener({
2246                                            let id = tool_call.id.clone();
2247                                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2248                                                if is_open {
2249                                                    this.expanded_tool_calls.remove(&id);
2250                                                } else {
2251                                                    this.expanded_tool_calls.insert(id.clone());
2252                                                }
2253                                                cx.notify();
2254                                            }
2255                                        })),
2256                                )
2257                                })
2258                                .when(failed_or_canceled, |this| {
2259                                    this.child(
2260                                        Icon::new(IconName::Close)
2261                                            .color(Color::Error)
2262                                            .size(IconSize::Small),
2263                                    )
2264                                }),
2265                        )
2266                    }),
2267            )
2268            .children(tool_output_display)
2269    }
2270
2271    fn render_tool_call_content(
2272        &self,
2273        entry_ix: usize,
2274        content: &ToolCallContent,
2275        tool_call: &ToolCall,
2276        card_layout: bool,
2277        window: &Window,
2278        cx: &Context<Self>,
2279    ) -> AnyElement {
2280        match content {
2281            ToolCallContent::ContentBlock(content) => {
2282                if let Some(resource_link) = content.resource_link() {
2283                    self.render_resource_link(resource_link, cx)
2284                } else if let Some(markdown) = content.markdown() {
2285                    self.render_markdown_output(
2286                        markdown.clone(),
2287                        tool_call.id.clone(),
2288                        card_layout,
2289                        window,
2290                        cx,
2291                    )
2292                } else {
2293                    Empty.into_any_element()
2294                }
2295            }
2296            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2297            ToolCallContent::Terminal(terminal) => {
2298                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2299            }
2300        }
2301    }
2302
2303    fn render_markdown_output(
2304        &self,
2305        markdown: Entity<Markdown>,
2306        tool_call_id: acp::ToolCallId,
2307        card_layout: bool,
2308        window: &Window,
2309        cx: &Context<Self>,
2310    ) -> AnyElement {
2311        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2312
2313        v_flex()
2314            .mt_1p5()
2315            .gap_2()
2316            .when(!card_layout, |this| {
2317                this.ml(rems(0.4))
2318                    .px_3p5()
2319                    .border_l_1()
2320                    .border_color(self.tool_card_border_color(cx))
2321            })
2322            .when(card_layout, |this| {
2323                this.p_2()
2324                    .border_t_1()
2325                    .border_color(self.tool_card_border_color(cx))
2326            })
2327            .text_sm()
2328            .text_color(cx.theme().colors().text_muted)
2329            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2330            .when(!card_layout, |this| {
2331                this.child(
2332                    IconButton::new(button_id, IconName::ChevronUp)
2333                        .full_width()
2334                        .style(ButtonStyle::Outlined)
2335                        .icon_color(Color::Muted)
2336                        .on_click(cx.listener({
2337                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2338                                this.expanded_tool_calls.remove(&tool_call_id);
2339                                cx.notify();
2340                            }
2341                        })),
2342                )
2343            })
2344            .into_any_element()
2345    }
2346
2347    fn render_resource_link(
2348        &self,
2349        resource_link: &acp::ResourceLink,
2350        cx: &Context<Self>,
2351    ) -> AnyElement {
2352        let uri: SharedString = resource_link.uri.clone().into();
2353        let is_file = resource_link.uri.strip_prefix("file://");
2354
2355        let label: SharedString = if let Some(abs_path) = is_file {
2356            if let Some(project_path) = self
2357                .project
2358                .read(cx)
2359                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2360                && let Some(worktree) = self
2361                    .project
2362                    .read(cx)
2363                    .worktree_for_id(project_path.worktree_id, cx)
2364            {
2365                worktree
2366                    .read(cx)
2367                    .full_path(&project_path.path)
2368                    .to_string_lossy()
2369                    .to_string()
2370                    .into()
2371            } else {
2372                abs_path.to_string().into()
2373            }
2374        } else {
2375            uri.clone()
2376        };
2377
2378        let button_id = SharedString::from(format!("item-{}", uri));
2379
2380        div()
2381            .ml(rems(0.4))
2382            .pl_2p5()
2383            .border_l_1()
2384            .border_color(self.tool_card_border_color(cx))
2385            .overflow_hidden()
2386            .child(
2387                Button::new(button_id, label)
2388                    .label_size(LabelSize::Small)
2389                    .color(Color::Muted)
2390                    .truncate(true)
2391                    .when(is_file.is_none(), |this| {
2392                        this.icon(IconName::ArrowUpRight)
2393                            .icon_size(IconSize::XSmall)
2394                            .icon_color(Color::Muted)
2395                    })
2396                    .on_click(cx.listener({
2397                        let workspace = self.workspace.clone();
2398                        move |_, _, window, cx: &mut Context<Self>| {
2399                            Self::open_link(uri.clone(), &workspace, window, cx);
2400                        }
2401                    })),
2402            )
2403            .into_any_element()
2404    }
2405
2406    fn render_permission_buttons(
2407        &self,
2408        options: &[acp::PermissionOption],
2409        entry_ix: usize,
2410        tool_call_id: acp::ToolCallId,
2411        cx: &Context<Self>,
2412    ) -> Div {
2413        h_flex()
2414            .py_1()
2415            .pl_2()
2416            .pr_1()
2417            .gap_1()
2418            .justify_between()
2419            .flex_wrap()
2420            .border_t_1()
2421            .border_color(self.tool_card_border_color(cx))
2422            .child(
2423                div()
2424                    .min_w(rems_from_px(145.))
2425                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
2426            )
2427            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
2428                let option_id = SharedString::from(option.id.0.clone());
2429                Button::new((option_id, entry_ix), option.name.clone())
2430                    .map(|this| match option.kind {
2431                        acp::PermissionOptionKind::AllowOnce => {
2432                            this.icon(IconName::Check).icon_color(Color::Success)
2433                        }
2434                        acp::PermissionOptionKind::AllowAlways => {
2435                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
2436                        }
2437                        acp::PermissionOptionKind::RejectOnce => {
2438                            this.icon(IconName::Close).icon_color(Color::Error)
2439                        }
2440                        acp::PermissionOptionKind::RejectAlways => {
2441                            this.icon(IconName::Close).icon_color(Color::Error)
2442                        }
2443                    })
2444                    .icon_position(IconPosition::Start)
2445                    .icon_size(IconSize::XSmall)
2446                    .label_size(LabelSize::Small)
2447                    .on_click(cx.listener({
2448                        let tool_call_id = tool_call_id.clone();
2449                        let option_id = option.id.clone();
2450                        let option_kind = option.kind;
2451                        move |this, _, window, cx| {
2452                            this.authorize_tool_call(
2453                                tool_call_id.clone(),
2454                                option_id.clone(),
2455                                option_kind,
2456                                window,
2457                                cx,
2458                            );
2459                        }
2460                    }))
2461            })))
2462    }
2463
2464    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2465        let bar = |n: u64, width_class: &str| {
2466            let bg_color = cx.theme().colors().element_active;
2467            let base = h_flex().h_1().rounded_full();
2468
2469            let modified = match width_class {
2470                "w_4_5" => base.w_3_4(),
2471                "w_1_4" => base.w_1_4(),
2472                "w_2_4" => base.w_2_4(),
2473                "w_3_5" => base.w_3_5(),
2474                "w_2_5" => base.w_2_5(),
2475                _ => base.w_1_2(),
2476            };
2477
2478            modified.with_animation(
2479                ElementId::Integer(n),
2480                Animation::new(Duration::from_secs(2)).repeat(),
2481                move |tab, delta| {
2482                    let delta = (delta - 0.15 * n as f32) / 0.7;
2483                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2484                    let delta = ease_in_out(delta.clamp(0., 1.));
2485                    let delta = 0.1 + 0.9 * delta;
2486
2487                    tab.bg(bg_color.opacity(delta))
2488                },
2489            )
2490        };
2491
2492        v_flex()
2493            .p_3()
2494            .gap_1()
2495            .rounded_b_md()
2496            .bg(cx.theme().colors().editor_background)
2497            .child(bar(0, "w_4_5"))
2498            .child(bar(1, "w_1_4"))
2499            .child(bar(2, "w_2_4"))
2500            .child(bar(3, "w_3_5"))
2501            .child(bar(4, "w_2_5"))
2502            .into_any_element()
2503    }
2504
2505    fn render_diff_editor(
2506        &self,
2507        entry_ix: usize,
2508        diff: &Entity<acp_thread::Diff>,
2509        tool_call: &ToolCall,
2510        cx: &Context<Self>,
2511    ) -> AnyElement {
2512        let tool_progress = matches!(
2513            &tool_call.status,
2514            ToolCallStatus::InProgress | ToolCallStatus::Pending
2515        );
2516
2517        v_flex()
2518            .h_full()
2519            .border_t_1()
2520            .border_color(self.tool_card_border_color(cx))
2521            .child(
2522                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2523                    && let Some(editor) = entry.editor_for_diff(diff)
2524                    && diff.read(cx).has_revealed_range(cx)
2525                {
2526                    editor.into_any_element()
2527                } else if tool_progress && self.as_native_connection(cx).is_some() {
2528                    self.render_diff_loading(cx)
2529                } else {
2530                    Empty.into_any()
2531                },
2532            )
2533            .into_any()
2534    }
2535
2536    fn render_terminal_tool_call(
2537        &self,
2538        entry_ix: usize,
2539        terminal: &Entity<acp_thread::Terminal>,
2540        tool_call: &ToolCall,
2541        window: &Window,
2542        cx: &Context<Self>,
2543    ) -> AnyElement {
2544        let terminal_data = terminal.read(cx);
2545        let working_dir = terminal_data.working_dir();
2546        let command = terminal_data.command();
2547        let started_at = terminal_data.started_at();
2548
2549        let tool_failed = matches!(
2550            &tool_call.status,
2551            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2552        );
2553
2554        let output = terminal_data.output();
2555        let command_finished = output.is_some();
2556        let truncated_output =
2557            output.is_some_and(|output| output.original_content_len > output.content.len());
2558        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2559
2560        let command_failed = command_finished
2561            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2562
2563        let time_elapsed = if let Some(output) = output {
2564            output.ended_at.duration_since(started_at)
2565        } else {
2566            started_at.elapsed()
2567        };
2568
2569        let header_id =
2570            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2571        let header_group = SharedString::from(format!(
2572            "terminal-tool-header-group-{}",
2573            terminal.entity_id()
2574        ));
2575        let header_bg = cx
2576            .theme()
2577            .colors()
2578            .element_background
2579            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2580        let border_color = cx.theme().colors().border.opacity(0.6);
2581
2582        let working_dir = working_dir
2583            .as_ref()
2584            .map(|path| format!("{}", path.display()))
2585            .unwrap_or_else(|| "current directory".to_string());
2586
2587        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2588
2589        let header = h_flex()
2590            .id(header_id)
2591            .flex_none()
2592            .gap_1()
2593            .justify_between()
2594            .rounded_t_md()
2595            .child(
2596                div()
2597                    .id(("command-target-path", terminal.entity_id()))
2598                    .w_full()
2599                    .max_w_full()
2600                    .overflow_x_scroll()
2601                    .child(
2602                        Label::new(working_dir)
2603                            .buffer_font(cx)
2604                            .size(LabelSize::XSmall)
2605                            .color(Color::Muted),
2606                    ),
2607            )
2608            .when(!command_finished, |header| {
2609                header
2610                    .gap_1p5()
2611                    .child(
2612                        Button::new(
2613                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2614                            "Stop",
2615                        )
2616                        .icon(IconName::Stop)
2617                        .icon_position(IconPosition::Start)
2618                        .icon_size(IconSize::Small)
2619                        .icon_color(Color::Error)
2620                        .label_size(LabelSize::Small)
2621                        .tooltip(move |window, cx| {
2622                            Tooltip::with_meta(
2623                                "Stop This Command",
2624                                None,
2625                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2626                                window,
2627                                cx,
2628                            )
2629                        })
2630                        .on_click({
2631                            let terminal = terminal.clone();
2632                            cx.listener(move |_this, _event, _window, cx| {
2633                                let inner_terminal = terminal.read(cx).inner().clone();
2634                                inner_terminal.update(cx, |inner_terminal, _cx| {
2635                                    inner_terminal.kill_active_task();
2636                                });
2637                            })
2638                        }),
2639                    )
2640                    .child(Divider::vertical())
2641                    .child(
2642                        Icon::new(IconName::ArrowCircle)
2643                            .size(IconSize::XSmall)
2644                            .color(Color::Info)
2645                            .with_rotate_animation(2)
2646                    )
2647            })
2648            .when(truncated_output, |header| {
2649                let tooltip = if let Some(output) = output {
2650                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2651                       format!("Output exceeded terminal max lines and was \
2652                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2653                    } else {
2654                        format!(
2655                            "Output is {} long, and to avoid unexpected token usage, \
2656                                only {} was sent back to the agent.",
2657                            format_file_size(output.original_content_len as u64, true),
2658                             format_file_size(output.content.len() as u64, true)
2659                        )
2660                    }
2661                } else {
2662                    "Output was truncated".to_string()
2663                };
2664
2665                header.child(
2666                    h_flex()
2667                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2668                        .gap_1()
2669                        .child(
2670                            Icon::new(IconName::Info)
2671                                .size(IconSize::XSmall)
2672                                .color(Color::Ignored),
2673                        )
2674                        .child(
2675                            Label::new("Truncated")
2676                                .color(Color::Muted)
2677                                .size(LabelSize::XSmall),
2678                        )
2679                        .tooltip(Tooltip::text(tooltip)),
2680                )
2681            })
2682            .when(time_elapsed > Duration::from_secs(10), |header| {
2683                header.child(
2684                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2685                        .buffer_font(cx)
2686                        .color(Color::Muted)
2687                        .size(LabelSize::XSmall),
2688                )
2689            })
2690            .when(tool_failed || command_failed, |header| {
2691                header.child(
2692                    div()
2693                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2694                        .child(
2695                            Icon::new(IconName::Close)
2696                                .size(IconSize::Small)
2697                                .color(Color::Error),
2698                        )
2699                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2700                            this.tooltip(Tooltip::text(format!(
2701                                "Exited with code {}",
2702                                status.code().unwrap_or(-1),
2703                            )))
2704                        }),
2705                )
2706            })
2707            .child(
2708                Disclosure::new(
2709                    SharedString::from(format!(
2710                        "terminal-tool-disclosure-{}",
2711                        terminal.entity_id()
2712                    )),
2713                    is_expanded,
2714                )
2715                .opened_icon(IconName::ChevronUp)
2716                .closed_icon(IconName::ChevronDown)
2717                .visible_on_hover(&header_group)
2718                .on_click(cx.listener({
2719                    let id = tool_call.id.clone();
2720                    move |this, _event, _window, _cx| {
2721                        if is_expanded {
2722                            this.expanded_tool_calls.remove(&id);
2723                        } else {
2724                            this.expanded_tool_calls.insert(id.clone());
2725                        }
2726                    }
2727                })),
2728            );
2729
2730        let terminal_view = self
2731            .entry_view_state
2732            .read(cx)
2733            .entry(entry_ix)
2734            .and_then(|entry| entry.terminal(terminal));
2735        let show_output = is_expanded && terminal_view.is_some();
2736
2737        v_flex()
2738            .my_1p5()
2739            .mx_5()
2740            .border_1()
2741            .when(tool_failed || command_failed, |card| card.border_dashed())
2742            .border_color(border_color)
2743            .rounded_md()
2744            .overflow_hidden()
2745            .child(
2746                v_flex()
2747                    .group(&header_group)
2748                    .py_1p5()
2749                    .pr_1p5()
2750                    .pl_2()
2751                    .gap_0p5()
2752                    .bg(header_bg)
2753                    .text_xs()
2754                    .child(header)
2755                    .child(
2756                        MarkdownElement::new(
2757                            command.clone(),
2758                            terminal_command_markdown_style(window, cx),
2759                        )
2760                        .code_block_renderer(
2761                            markdown::CodeBlockRenderer::Default {
2762                                copy_button: false,
2763                                copy_button_on_hover: true,
2764                                border: false,
2765                            },
2766                        ),
2767                    ),
2768            )
2769            .when(show_output, |this| {
2770                this.child(
2771                    div()
2772                        .pt_2()
2773                        .border_t_1()
2774                        .when(tool_failed || command_failed, |card| card.border_dashed())
2775                        .border_color(border_color)
2776                        .bg(cx.theme().colors().editor_background)
2777                        .rounded_b_md()
2778                        .text_ui_sm(cx)
2779                        .h_full()
2780                        .children(terminal_view.map(|terminal_view| {
2781                            if terminal_view
2782                                .read(cx)
2783                                .content_mode(window, cx)
2784                                .is_scrollable()
2785                            {
2786                                div().h_72().child(terminal_view).into_any_element()
2787                            } else {
2788                                terminal_view.into_any_element()
2789                            }
2790                        })),
2791                )
2792            })
2793            .into_any()
2794    }
2795
2796    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2797        let project_context = self
2798            .as_native_thread(cx)?
2799            .read(cx)
2800            .project_context()
2801            .read(cx);
2802
2803        let user_rules_text = if project_context.user_rules.is_empty() {
2804            None
2805        } else if project_context.user_rules.len() == 1 {
2806            let user_rules = &project_context.user_rules[0];
2807
2808            match user_rules.title.as_ref() {
2809                Some(title) => Some(format!("Using \"{title}\" user rule")),
2810                None => Some("Using user rule".into()),
2811            }
2812        } else {
2813            Some(format!(
2814                "Using {} user rules",
2815                project_context.user_rules.len()
2816            ))
2817        };
2818
2819        let first_user_rules_id = project_context
2820            .user_rules
2821            .first()
2822            .map(|user_rules| user_rules.uuid.0);
2823
2824        let rules_files = project_context
2825            .worktrees
2826            .iter()
2827            .filter_map(|worktree| worktree.rules_file.as_ref())
2828            .collect::<Vec<_>>();
2829
2830        let rules_file_text = match rules_files.as_slice() {
2831            &[] => None,
2832            &[rules_file] => Some(format!(
2833                "Using project {:?} file",
2834                rules_file.path_in_worktree
2835            )),
2836            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2837        };
2838
2839        if user_rules_text.is_none() && rules_file_text.is_none() {
2840            return None;
2841        }
2842
2843        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2844
2845        Some(
2846            h_flex()
2847                .px_2p5()
2848                .child(
2849                    Icon::new(IconName::Attach)
2850                        .size(IconSize::XSmall)
2851                        .color(Color::Disabled),
2852                )
2853                .when_some(user_rules_text, |parent, user_rules_text| {
2854                    parent.child(
2855                        h_flex()
2856                            .id("user-rules")
2857                            .ml_1()
2858                            .mr_1p5()
2859                            .child(
2860                                Label::new(user_rules_text)
2861                                    .size(LabelSize::XSmall)
2862                                    .color(Color::Muted)
2863                                    .truncate(),
2864                            )
2865                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2866                            .tooltip(Tooltip::text("View User Rules"))
2867                            .on_click(move |_event, window, cx| {
2868                                window.dispatch_action(
2869                                    Box::new(OpenRulesLibrary {
2870                                        prompt_to_select: first_user_rules_id,
2871                                    }),
2872                                    cx,
2873                                )
2874                            }),
2875                    )
2876                })
2877                .when(has_both, |this| {
2878                    this.child(
2879                        Label::new("")
2880                            .size(LabelSize::XSmall)
2881                            .color(Color::Disabled),
2882                    )
2883                })
2884                .when_some(rules_file_text, |parent, rules_file_text| {
2885                    parent.child(
2886                        h_flex()
2887                            .id("project-rules")
2888                            .ml_1p5()
2889                            .child(
2890                                Label::new(rules_file_text)
2891                                    .size(LabelSize::XSmall)
2892                                    .color(Color::Muted),
2893                            )
2894                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2895                            .tooltip(Tooltip::text("View Project Rules"))
2896                            .on_click(cx.listener(Self::handle_open_rules)),
2897                    )
2898                })
2899                .into_any(),
2900        )
2901    }
2902
2903    fn render_empty_state_section_header(
2904        &self,
2905        label: impl Into<SharedString>,
2906        action_slot: Option<AnyElement>,
2907        cx: &mut Context<Self>,
2908    ) -> impl IntoElement {
2909        div().pl_1().pr_1p5().child(
2910            h_flex()
2911                .mt_2()
2912                .pl_1p5()
2913                .pb_1()
2914                .w_full()
2915                .justify_between()
2916                .border_b_1()
2917                .border_color(cx.theme().colors().border_variant)
2918                .child(
2919                    Label::new(label.into())
2920                        .size(LabelSize::Small)
2921                        .color(Color::Muted),
2922                )
2923                .children(action_slot),
2924        )
2925    }
2926
2927    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2928        let render_history = self
2929            .agent
2930            .clone()
2931            .downcast::<agent2::NativeAgentServer>()
2932            .is_some()
2933            && self
2934                .history_store
2935                .update(cx, |history_store, cx| !history_store.is_empty(cx));
2936
2937        v_flex()
2938            .size_full()
2939            .when(render_history, |this| {
2940                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
2941                    history_store.entries().take(3).collect()
2942                });
2943                this.justify_end().child(
2944                    v_flex()
2945                        .child(
2946                            self.render_empty_state_section_header(
2947                                "Recent",
2948                                Some(
2949                                    Button::new("view-history", "View All")
2950                                        .style(ButtonStyle::Subtle)
2951                                        .label_size(LabelSize::Small)
2952                                        .key_binding(
2953                                            KeyBinding::for_action_in(
2954                                                &OpenHistory,
2955                                                &self.focus_handle(cx),
2956                                                window,
2957                                                cx,
2958                                            )
2959                                            .map(|kb| kb.size(rems_from_px(12.))),
2960                                        )
2961                                        .on_click(move |_event, window, cx| {
2962                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2963                                        })
2964                                        .into_any_element(),
2965                                ),
2966                                cx,
2967                            ),
2968                        )
2969                        .child(
2970                            v_flex().p_1().pr_1p5().gap_1().children(
2971                                recent_history
2972                                    .into_iter()
2973                                    .enumerate()
2974                                    .map(|(index, entry)| {
2975                                        // TODO: Add keyboard navigation.
2976                                        let is_hovered =
2977                                            self.hovered_recent_history_item == Some(index);
2978                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2979                                            entry,
2980                                            cx.entity().downgrade(),
2981                                        )
2982                                        .hovered(is_hovered)
2983                                        .on_hover(cx.listener(
2984                                            move |this, is_hovered, _window, cx| {
2985                                                if *is_hovered {
2986                                                    this.hovered_recent_history_item = Some(index);
2987                                                } else if this.hovered_recent_history_item
2988                                                    == Some(index)
2989                                                {
2990                                                    this.hovered_recent_history_item = None;
2991                                                }
2992                                                cx.notify();
2993                                            },
2994                                        ))
2995                                        .into_any_element()
2996                                    }),
2997                            ),
2998                        ),
2999                )
3000            })
3001            .into_any()
3002    }
3003
3004    fn render_auth_required_state(
3005        &self,
3006        connection: &Rc<dyn AgentConnection>,
3007        description: Option<&Entity<Markdown>>,
3008        configuration_view: Option<&AnyView>,
3009        pending_auth_method: Option<&acp::AuthMethodId>,
3010        window: &mut Window,
3011        cx: &Context<Self>,
3012    ) -> Div {
3013        let show_description =
3014            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3015
3016        let auth_methods = connection.auth_methods();
3017
3018        v_flex().flex_1().size_full().justify_end().child(
3019            v_flex()
3020                .p_2()
3021                .pr_3()
3022                .w_full()
3023                .gap_1()
3024                .border_t_1()
3025                .border_color(cx.theme().colors().border)
3026                .bg(cx.theme().status().warning.opacity(0.04))
3027                .child(
3028                    h_flex()
3029                        .gap_1p5()
3030                        .child(
3031                            Icon::new(IconName::Warning)
3032                                .color(Color::Warning)
3033                                .size(IconSize::Small),
3034                        )
3035                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3036                )
3037                .children(description.map(|desc| {
3038                    div().text_ui(cx).child(self.render_markdown(
3039                        desc.clone(),
3040                        default_markdown_style(false, false, window, cx),
3041                    ))
3042                }))
3043                .children(
3044                    configuration_view
3045                        .cloned()
3046                        .map(|view| div().w_full().child(view)),
3047                )
3048                .when(show_description, |el| {
3049                    el.child(
3050                        Label::new(format!(
3051                            "You are not currently authenticated with {}.{}",
3052                            self.agent.name(),
3053                            if auth_methods.len() > 1 {
3054                                " Please choose one of the following options:"
3055                            } else {
3056                                ""
3057                            }
3058                        ))
3059                        .size(LabelSize::Small)
3060                        .color(Color::Muted)
3061                        .mb_1()
3062                        .ml_5(),
3063                    )
3064                })
3065                .when_some(pending_auth_method, |el, _| {
3066                    el.child(
3067                        h_flex()
3068                            .py_4()
3069                            .w_full()
3070                            .justify_center()
3071                            .gap_1()
3072                            .child(
3073                                Icon::new(IconName::ArrowCircle)
3074                                    .size(IconSize::Small)
3075                                    .color(Color::Muted)
3076                                    .with_rotate_animation(2),
3077                            )
3078                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3079                    )
3080                })
3081                .when(!auth_methods.is_empty(), |this| {
3082                    this.child(
3083                        h_flex()
3084                            .justify_end()
3085                            .flex_wrap()
3086                            .gap_1()
3087                            .when(!show_description, |this| {
3088                                this.border_t_1()
3089                                    .mt_1()
3090                                    .pt_2()
3091                                    .border_color(cx.theme().colors().border.opacity(0.8))
3092                            })
3093                            .children(connection.auth_methods().iter().enumerate().rev().map(
3094                                |(ix, method)| {
3095                                    Button::new(
3096                                        SharedString::from(method.id.0.clone()),
3097                                        method.name.clone(),
3098                                    )
3099                                    .when(ix == 0, |el| {
3100                                        el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
3101                                    })
3102                                    .label_size(LabelSize::Small)
3103                                    .on_click({
3104                                        let method_id = method.id.clone();
3105                                        cx.listener(move |this, _, window, cx| {
3106                                            telemetry::event!(
3107                                                "Authenticate Agent Started",
3108                                                agent = this.agent.telemetry_id(),
3109                                                method = method_id
3110                                            );
3111
3112                                            this.authenticate(method_id.clone(), window, cx)
3113                                        })
3114                                    })
3115                                },
3116                            )),
3117                    )
3118                }),
3119        )
3120    }
3121
3122    fn render_load_error(
3123        &self,
3124        e: &LoadError,
3125        window: &mut Window,
3126        cx: &mut Context<Self>,
3127    ) -> AnyElement {
3128        let (title, message, action_slot): (_, SharedString, _) = match e {
3129            LoadError::Unsupported {
3130                command: path,
3131                current_version,
3132                minimum_version,
3133            } => {
3134                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3135            }
3136            LoadError::FailedToInstall(msg) => (
3137                "Failed to Install",
3138                msg.into(),
3139                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3140            ),
3141            LoadError::Exited { status } => (
3142                "Failed to Launch",
3143                format!("Server exited with status {status}").into(),
3144                None,
3145            ),
3146            LoadError::Other(msg) => (
3147                "Failed to Launch",
3148                msg.into(),
3149                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3150            ),
3151        };
3152
3153        Callout::new()
3154            .severity(Severity::Error)
3155            .icon(IconName::XCircleFilled)
3156            .title(title)
3157            .description(message)
3158            .actions_slot(div().children(action_slot))
3159            .into_any_element()
3160    }
3161
3162    fn render_unsupported(
3163        &self,
3164        path: &SharedString,
3165        version: &SharedString,
3166        minimum_version: &SharedString,
3167        _window: &mut Window,
3168        cx: &mut Context<Self>,
3169    ) -> AnyElement {
3170        let (heading_label, description_label) = (
3171            format!("Upgrade {} to work with Zed", self.agent.name()),
3172            if version.is_empty() {
3173                format!(
3174                    "Currently using {}, which does not report a valid --version",
3175                    path,
3176                )
3177            } else {
3178                format!(
3179                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3180                    path, version
3181                )
3182            },
3183        );
3184
3185        v_flex()
3186            .w_full()
3187            .p_3p5()
3188            .gap_2p5()
3189            .border_t_1()
3190            .border_color(cx.theme().colors().border)
3191            .bg(linear_gradient(
3192                180.,
3193                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3194                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3195            ))
3196            .child(
3197                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3198                    Label::new(description_label)
3199                        .size(LabelSize::Small)
3200                        .color(Color::Muted),
3201                ),
3202            )
3203            .into_any_element()
3204    }
3205
3206    fn render_activity_bar(
3207        &self,
3208        thread_entity: &Entity<AcpThread>,
3209        window: &mut Window,
3210        cx: &Context<Self>,
3211    ) -> Option<AnyElement> {
3212        let thread = thread_entity.read(cx);
3213        let action_log = thread.action_log();
3214        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3215        let plan = thread.plan();
3216
3217        if changed_buffers.is_empty() && plan.is_empty() {
3218            return None;
3219        }
3220
3221        let editor_bg_color = cx.theme().colors().editor_background;
3222        let active_color = cx.theme().colors().element_selected;
3223        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
3224
3225        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3226        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3227        // be, which blocks you from being able to accept or reject edits. This switches the
3228        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3229        // block you from using the panel.
3230        let pending_edits = false;
3231
3232        v_flex()
3233            .mt_1()
3234            .mx_2()
3235            .bg(bg_edit_files_disclosure)
3236            .border_1()
3237            .border_b_0()
3238            .border_color(cx.theme().colors().border)
3239            .rounded_t_md()
3240            .shadow(vec![gpui::BoxShadow {
3241                color: gpui::black().opacity(0.15),
3242                offset: point(px(1.), px(-1.)),
3243                blur_radius: px(3.),
3244                spread_radius: px(0.),
3245            }])
3246            .when(!plan.is_empty(), |this| {
3247                this.child(self.render_plan_summary(plan, window, cx))
3248                    .when(self.plan_expanded, |parent| {
3249                        parent.child(self.render_plan_entries(plan, window, cx))
3250                    })
3251            })
3252            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3253                this.child(Divider::horizontal().color(DividerColor::Border))
3254            })
3255            .when(!changed_buffers.is_empty(), |this| {
3256                this.child(self.render_edits_summary(
3257                    &changed_buffers,
3258                    self.edits_expanded,
3259                    pending_edits,
3260                    window,
3261                    cx,
3262                ))
3263                .when(self.edits_expanded, |parent| {
3264                    parent.child(self.render_edited_files(
3265                        action_log,
3266                        &changed_buffers,
3267                        pending_edits,
3268                        cx,
3269                    ))
3270                })
3271            })
3272            .into_any()
3273            .into()
3274    }
3275
3276    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3277        let stats = plan.stats();
3278
3279        let title = if let Some(entry) = stats.in_progress_entry
3280            && !self.plan_expanded
3281        {
3282            h_flex()
3283                .w_full()
3284                .cursor_default()
3285                .gap_1()
3286                .text_xs()
3287                .text_color(cx.theme().colors().text_muted)
3288                .justify_between()
3289                .child(
3290                    h_flex()
3291                        .gap_1()
3292                        .child(
3293                            Label::new("Current:")
3294                                .size(LabelSize::Small)
3295                                .color(Color::Muted),
3296                        )
3297                        .child(MarkdownElement::new(
3298                            entry.content.clone(),
3299                            plan_label_markdown_style(&entry.status, window, cx),
3300                        )),
3301                )
3302                .when(stats.pending > 0, |this| {
3303                    this.child(
3304                        Label::new(format!("{} left", stats.pending))
3305                            .size(LabelSize::Small)
3306                            .color(Color::Muted)
3307                            .mr_1(),
3308                    )
3309                })
3310        } else {
3311            let status_label = if stats.pending == 0 {
3312                "All Done".to_string()
3313            } else if stats.completed == 0 {
3314                format!("{} Tasks", plan.entries.len())
3315            } else {
3316                format!("{}/{}", stats.completed, plan.entries.len())
3317            };
3318
3319            h_flex()
3320                .w_full()
3321                .gap_1()
3322                .justify_between()
3323                .child(
3324                    Label::new("Plan")
3325                        .size(LabelSize::Small)
3326                        .color(Color::Muted),
3327                )
3328                .child(
3329                    Label::new(status_label)
3330                        .size(LabelSize::Small)
3331                        .color(Color::Muted)
3332                        .mr_1(),
3333                )
3334        };
3335
3336        h_flex()
3337            .p_1()
3338            .justify_between()
3339            .when(self.plan_expanded, |this| {
3340                this.border_b_1().border_color(cx.theme().colors().border)
3341            })
3342            .child(
3343                h_flex()
3344                    .id("plan_summary")
3345                    .w_full()
3346                    .gap_1()
3347                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3348                    .child(title)
3349                    .on_click(cx.listener(|this, _, _, cx| {
3350                        this.plan_expanded = !this.plan_expanded;
3351                        cx.notify();
3352                    })),
3353            )
3354    }
3355
3356    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3357        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3358            let element = h_flex()
3359                .py_1()
3360                .px_2()
3361                .gap_2()
3362                .justify_between()
3363                .bg(cx.theme().colors().editor_background)
3364                .when(index < plan.entries.len() - 1, |parent| {
3365                    parent.border_color(cx.theme().colors().border).border_b_1()
3366                })
3367                .child(
3368                    h_flex()
3369                        .id(("plan_entry", index))
3370                        .gap_1p5()
3371                        .max_w_full()
3372                        .overflow_x_scroll()
3373                        .text_xs()
3374                        .text_color(cx.theme().colors().text_muted)
3375                        .child(match entry.status {
3376                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3377                                .size(IconSize::Small)
3378                                .color(Color::Muted)
3379                                .into_any_element(),
3380                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3381                                .size(IconSize::Small)
3382                                .color(Color::Accent)
3383                                .with_rotate_animation(2)
3384                                .into_any_element(),
3385                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3386                                .size(IconSize::Small)
3387                                .color(Color::Success)
3388                                .into_any_element(),
3389                        })
3390                        .child(MarkdownElement::new(
3391                            entry.content.clone(),
3392                            plan_label_markdown_style(&entry.status, window, cx),
3393                        )),
3394                );
3395
3396            Some(element)
3397        }))
3398    }
3399
3400    fn render_edits_summary(
3401        &self,
3402        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3403        expanded: bool,
3404        pending_edits: bool,
3405        window: &mut Window,
3406        cx: &Context<Self>,
3407    ) -> Div {
3408        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3409
3410        let focus_handle = self.focus_handle(cx);
3411
3412        h_flex()
3413            .p_1()
3414            .justify_between()
3415            .flex_wrap()
3416            .when(expanded, |this| {
3417                this.border_b_1().border_color(cx.theme().colors().border)
3418            })
3419            .child(
3420                h_flex()
3421                    .id("edits-container")
3422                    .gap_1()
3423                    .child(Disclosure::new("edits-disclosure", expanded))
3424                    .map(|this| {
3425                        if pending_edits {
3426                            this.child(
3427                                Label::new(format!(
3428                                    "Editing {} {}",
3429                                    changed_buffers.len(),
3430                                    if changed_buffers.len() == 1 {
3431                                        "file"
3432                                    } else {
3433                                        "files"
3434                                    }
3435                                ))
3436                                .color(Color::Muted)
3437                                .size(LabelSize::Small)
3438                                .with_animation(
3439                                    "edit-label",
3440                                    Animation::new(Duration::from_secs(2))
3441                                        .repeat()
3442                                        .with_easing(pulsating_between(0.3, 0.7)),
3443                                    |label, delta| label.alpha(delta),
3444                                ),
3445                            )
3446                        } else {
3447                            this.child(
3448                                Label::new("Edits")
3449                                    .size(LabelSize::Small)
3450                                    .color(Color::Muted),
3451                            )
3452                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3453                            .child(
3454                                Label::new(format!(
3455                                    "{} {}",
3456                                    changed_buffers.len(),
3457                                    if changed_buffers.len() == 1 {
3458                                        "file"
3459                                    } else {
3460                                        "files"
3461                                    }
3462                                ))
3463                                .size(LabelSize::Small)
3464                                .color(Color::Muted),
3465                            )
3466                        }
3467                    })
3468                    .on_click(cx.listener(|this, _, _, cx| {
3469                        this.edits_expanded = !this.edits_expanded;
3470                        cx.notify();
3471                    })),
3472            )
3473            .child(
3474                h_flex()
3475                    .gap_1()
3476                    .child(
3477                        IconButton::new("review-changes", IconName::ListTodo)
3478                            .icon_size(IconSize::Small)
3479                            .tooltip({
3480                                let focus_handle = focus_handle.clone();
3481                                move |window, cx| {
3482                                    Tooltip::for_action_in(
3483                                        "Review Changes",
3484                                        &OpenAgentDiff,
3485                                        &focus_handle,
3486                                        window,
3487                                        cx,
3488                                    )
3489                                }
3490                            })
3491                            .on_click(cx.listener(|_, _, window, cx| {
3492                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3493                            })),
3494                    )
3495                    .child(Divider::vertical().color(DividerColor::Border))
3496                    .child(
3497                        Button::new("reject-all-changes", "Reject All")
3498                            .label_size(LabelSize::Small)
3499                            .disabled(pending_edits)
3500                            .when(pending_edits, |this| {
3501                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3502                            })
3503                            .key_binding(
3504                                KeyBinding::for_action_in(
3505                                    &RejectAll,
3506                                    &focus_handle.clone(),
3507                                    window,
3508                                    cx,
3509                                )
3510                                .map(|kb| kb.size(rems_from_px(10.))),
3511                            )
3512                            .on_click(cx.listener(move |this, _, window, cx| {
3513                                this.reject_all(&RejectAll, window, cx);
3514                            })),
3515                    )
3516                    .child(
3517                        Button::new("keep-all-changes", "Keep All")
3518                            .label_size(LabelSize::Small)
3519                            .disabled(pending_edits)
3520                            .when(pending_edits, |this| {
3521                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3522                            })
3523                            .key_binding(
3524                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3525                                    .map(|kb| kb.size(rems_from_px(10.))),
3526                            )
3527                            .on_click(cx.listener(move |this, _, window, cx| {
3528                                this.keep_all(&KeepAll, window, cx);
3529                            })),
3530                    ),
3531            )
3532    }
3533
3534    fn render_edited_files(
3535        &self,
3536        action_log: &Entity<ActionLog>,
3537        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3538        pending_edits: bool,
3539        cx: &Context<Self>,
3540    ) -> Div {
3541        let editor_bg_color = cx.theme().colors().editor_background;
3542
3543        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3544            |(index, (buffer, _diff))| {
3545                let file = buffer.read(cx).file()?;
3546                let path = file.path();
3547
3548                let file_path = path.parent().and_then(|parent| {
3549                    let parent_str = parent.to_string_lossy();
3550
3551                    if parent_str.is_empty() {
3552                        None
3553                    } else {
3554                        Some(
3555                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3556                                .color(Color::Muted)
3557                                .size(LabelSize::XSmall)
3558                                .buffer_font(cx),
3559                        )
3560                    }
3561                });
3562
3563                let file_name = path.file_name().map(|name| {
3564                    Label::new(name.to_string_lossy().to_string())
3565                        .size(LabelSize::XSmall)
3566                        .buffer_font(cx)
3567                });
3568
3569                let file_icon = FileIcons::get_icon(path, cx)
3570                    .map(Icon::from_path)
3571                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3572                    .unwrap_or_else(|| {
3573                        Icon::new(IconName::File)
3574                            .color(Color::Muted)
3575                            .size(IconSize::Small)
3576                    });
3577
3578                let overlay_gradient = linear_gradient(
3579                    90.,
3580                    linear_color_stop(editor_bg_color, 1.),
3581                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3582                );
3583
3584                let element = h_flex()
3585                    .group("edited-code")
3586                    .id(("file-container", index))
3587                    .py_1()
3588                    .pl_2()
3589                    .pr_1()
3590                    .gap_2()
3591                    .justify_between()
3592                    .bg(editor_bg_color)
3593                    .when(index < changed_buffers.len() - 1, |parent| {
3594                        parent.border_color(cx.theme().colors().border).border_b_1()
3595                    })
3596                    .child(
3597                        h_flex()
3598                            .relative()
3599                            .id(("file-name", index))
3600                            .pr_8()
3601                            .gap_1p5()
3602                            .max_w_full()
3603                            .overflow_x_scroll()
3604                            .child(file_icon)
3605                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3606                            .child(
3607                                div()
3608                                    .absolute()
3609                                    .h_full()
3610                                    .w_12()
3611                                    .top_0()
3612                                    .bottom_0()
3613                                    .right_0()
3614                                    .bg(overlay_gradient),
3615                            )
3616                            .on_click({
3617                                let buffer = buffer.clone();
3618                                cx.listener(move |this, _, window, cx| {
3619                                    this.open_edited_buffer(&buffer, window, cx);
3620                                })
3621                            }),
3622                    )
3623                    .child(
3624                        h_flex()
3625                            .gap_1()
3626                            .visible_on_hover("edited-code")
3627                            .child(
3628                                Button::new("review", "Review")
3629                                    .label_size(LabelSize::Small)
3630                                    .on_click({
3631                                        let buffer = buffer.clone();
3632                                        cx.listener(move |this, _, window, cx| {
3633                                            this.open_edited_buffer(&buffer, window, cx);
3634                                        })
3635                                    }),
3636                            )
3637                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3638                            .child(
3639                                Button::new("reject-file", "Reject")
3640                                    .label_size(LabelSize::Small)
3641                                    .disabled(pending_edits)
3642                                    .on_click({
3643                                        let buffer = buffer.clone();
3644                                        let action_log = action_log.clone();
3645                                        move |_, _, cx| {
3646                                            action_log.update(cx, |action_log, cx| {
3647                                                action_log
3648                                                    .reject_edits_in_ranges(
3649                                                        buffer.clone(),
3650                                                        vec![Anchor::MIN..Anchor::MAX],
3651                                                        cx,
3652                                                    )
3653                                                    .detach_and_log_err(cx);
3654                                            })
3655                                        }
3656                                    }),
3657                            )
3658                            .child(
3659                                Button::new("keep-file", "Keep")
3660                                    .label_size(LabelSize::Small)
3661                                    .disabled(pending_edits)
3662                                    .on_click({
3663                                        let buffer = buffer.clone();
3664                                        let action_log = action_log.clone();
3665                                        move |_, _, cx| {
3666                                            action_log.update(cx, |action_log, cx| {
3667                                                action_log.keep_edits_in_range(
3668                                                    buffer.clone(),
3669                                                    Anchor::MIN..Anchor::MAX,
3670                                                    cx,
3671                                                );
3672                                            })
3673                                        }
3674                                    }),
3675                            ),
3676                    );
3677
3678                Some(element)
3679            },
3680        ))
3681    }
3682
3683    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3684        let focus_handle = self.message_editor.focus_handle(cx);
3685        let editor_bg_color = cx.theme().colors().editor_background;
3686        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3687            (IconName::Minimize, "Minimize Message Editor")
3688        } else {
3689            (IconName::Maximize, "Expand Message Editor")
3690        };
3691
3692        let backdrop = div()
3693            .size_full()
3694            .absolute()
3695            .inset_0()
3696            .bg(cx.theme().colors().panel_background)
3697            .opacity(0.8)
3698            .block_mouse_except_scroll();
3699
3700        let enable_editor = match self.thread_state {
3701            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3702            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3703        };
3704
3705        v_flex()
3706            .on_action(cx.listener(Self::expand_message_editor))
3707            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3708                if let Some(profile_selector) = this.profile_selector.as_ref() {
3709                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3710                }
3711            }))
3712            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3713                if let Some(model_selector) = this.model_selector.as_ref() {
3714                    model_selector
3715                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3716                }
3717            }))
3718            .p_2()
3719            .gap_2()
3720            .border_t_1()
3721            .border_color(cx.theme().colors().border)
3722            .bg(editor_bg_color)
3723            .when(self.editor_expanded, |this| {
3724                this.h(vh(0.8, window)).size_full().justify_between()
3725            })
3726            .child(
3727                v_flex()
3728                    .relative()
3729                    .size_full()
3730                    .pt_1()
3731                    .pr_2p5()
3732                    .child(self.message_editor.clone())
3733                    .child(
3734                        h_flex()
3735                            .absolute()
3736                            .top_0()
3737                            .right_0()
3738                            .opacity(0.5)
3739                            .hover(|this| this.opacity(1.0))
3740                            .child(
3741                                IconButton::new("toggle-height", expand_icon)
3742                                    .icon_size(IconSize::Small)
3743                                    .icon_color(Color::Muted)
3744                                    .tooltip({
3745                                        move |window, cx| {
3746                                            Tooltip::for_action_in(
3747                                                expand_tooltip,
3748                                                &ExpandMessageEditor,
3749                                                &focus_handle,
3750                                                window,
3751                                                cx,
3752                                            )
3753                                        }
3754                                    })
3755                                    .on_click(cx.listener(|_, _, window, cx| {
3756                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3757                                    })),
3758                            ),
3759                    ),
3760            )
3761            .child(
3762                h_flex()
3763                    .flex_none()
3764                    .flex_wrap()
3765                    .justify_between()
3766                    .child(
3767                        h_flex()
3768                            .child(self.render_follow_toggle(cx))
3769                            .children(self.render_burn_mode_toggle(cx)),
3770                    )
3771                    .child(
3772                        h_flex()
3773                            .gap_1()
3774                            .children(self.render_token_usage(cx))
3775                            .children(self.profile_selector.clone())
3776                            .children(self.model_selector.clone())
3777                            .child(self.render_send_button(cx)),
3778                    ),
3779            )
3780            .when(!enable_editor, |this| this.child(backdrop))
3781            .into_any()
3782    }
3783
3784    pub(crate) fn as_native_connection(
3785        &self,
3786        cx: &App,
3787    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3788        let acp_thread = self.thread()?.read(cx);
3789        acp_thread.connection().clone().downcast()
3790    }
3791
3792    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3793        let acp_thread = self.thread()?.read(cx);
3794        self.as_native_connection(cx)?
3795            .thread(acp_thread.session_id(), cx)
3796    }
3797
3798    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3799        self.as_native_thread(cx)
3800            .and_then(|thread| thread.read(cx).model())
3801            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3802    }
3803
3804    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3805        let thread = self.thread()?.read(cx);
3806        let usage = thread.token_usage()?;
3807        let is_generating = thread.status() != ThreadStatus::Idle;
3808
3809        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3810        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3811
3812        Some(
3813            h_flex()
3814                .flex_shrink_0()
3815                .gap_0p5()
3816                .mr_1p5()
3817                .child(
3818                    Label::new(used)
3819                        .size(LabelSize::Small)
3820                        .color(Color::Muted)
3821                        .map(|label| {
3822                            if is_generating {
3823                                label
3824                                    .with_animation(
3825                                        "used-tokens-label",
3826                                        Animation::new(Duration::from_secs(2))
3827                                            .repeat()
3828                                            .with_easing(pulsating_between(0.3, 0.8)),
3829                                        |label, delta| label.alpha(delta),
3830                                    )
3831                                    .into_any()
3832                            } else {
3833                                label.into_any_element()
3834                            }
3835                        }),
3836                )
3837                .child(
3838                    Label::new("/")
3839                        .size(LabelSize::Small)
3840                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3841                )
3842                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3843        )
3844    }
3845
3846    fn toggle_burn_mode(
3847        &mut self,
3848        _: &ToggleBurnMode,
3849        _window: &mut Window,
3850        cx: &mut Context<Self>,
3851    ) {
3852        let Some(thread) = self.as_native_thread(cx) else {
3853            return;
3854        };
3855
3856        thread.update(cx, |thread, cx| {
3857            let current_mode = thread.completion_mode();
3858            thread.set_completion_mode(
3859                match current_mode {
3860                    CompletionMode::Burn => CompletionMode::Normal,
3861                    CompletionMode::Normal => CompletionMode::Burn,
3862                },
3863                cx,
3864            );
3865        });
3866    }
3867
3868    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3869        let Some(thread) = self.thread() else {
3870            return;
3871        };
3872        let action_log = thread.read(cx).action_log().clone();
3873        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3874    }
3875
3876    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3877        let Some(thread) = self.thread() else {
3878            return;
3879        };
3880        let action_log = thread.read(cx).action_log().clone();
3881        action_log
3882            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3883            .detach();
3884    }
3885
3886    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3887        let thread = self.as_native_thread(cx)?.read(cx);
3888
3889        if thread
3890            .model()
3891            .is_none_or(|model| !model.supports_burn_mode())
3892        {
3893            return None;
3894        }
3895
3896        let active_completion_mode = thread.completion_mode();
3897        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3898        let icon = if burn_mode_enabled {
3899            IconName::ZedBurnModeOn
3900        } else {
3901            IconName::ZedBurnMode
3902        };
3903
3904        Some(
3905            IconButton::new("burn-mode", icon)
3906                .icon_size(IconSize::Small)
3907                .icon_color(Color::Muted)
3908                .toggle_state(burn_mode_enabled)
3909                .selected_icon_color(Color::Error)
3910                .on_click(cx.listener(|this, _event, window, cx| {
3911                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3912                }))
3913                .tooltip(move |_window, cx| {
3914                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3915                        .into()
3916                })
3917                .into_any_element(),
3918        )
3919    }
3920
3921    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3922        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3923        let is_generating = self
3924            .thread()
3925            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3926
3927        if self.is_loading_contents {
3928            div()
3929                .id("loading-message-content")
3930                .px_1()
3931                .tooltip(Tooltip::text("Loading Added Context…"))
3932                .child(loading_contents_spinner(IconSize::default()))
3933                .into_any_element()
3934        } else if is_generating && is_editor_empty {
3935            IconButton::new("stop-generation", IconName::Stop)
3936                .icon_color(Color::Error)
3937                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3938                .tooltip(move |window, cx| {
3939                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3940                })
3941                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3942                .into_any_element()
3943        } else {
3944            let send_btn_tooltip = if is_editor_empty && !is_generating {
3945                "Type to Send"
3946            } else if is_generating {
3947                "Stop and Send Message"
3948            } else {
3949                "Send"
3950            };
3951
3952            IconButton::new("send-message", IconName::Send)
3953                .style(ButtonStyle::Filled)
3954                .map(|this| {
3955                    if is_editor_empty && !is_generating {
3956                        this.disabled(true).icon_color(Color::Muted)
3957                    } else {
3958                        this.icon_color(Color::Accent)
3959                    }
3960                })
3961                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3962                .on_click(cx.listener(|this, _, window, cx| {
3963                    this.send(window, cx);
3964                }))
3965                .into_any_element()
3966        }
3967    }
3968
3969    fn is_following(&self, cx: &App) -> bool {
3970        match self.thread().map(|thread| thread.read(cx).status()) {
3971            Some(ThreadStatus::Generating) => self
3972                .workspace
3973                .read_with(cx, |workspace, _| {
3974                    workspace.is_being_followed(CollaboratorId::Agent)
3975                })
3976                .unwrap_or(false),
3977            _ => self.should_be_following,
3978        }
3979    }
3980
3981    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3982        let following = self.is_following(cx);
3983
3984        self.should_be_following = !following;
3985        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
3986            self.workspace
3987                .update(cx, |workspace, cx| {
3988                    if following {
3989                        workspace.unfollow(CollaboratorId::Agent, window, cx);
3990                    } else {
3991                        workspace.follow(CollaboratorId::Agent, window, cx);
3992                    }
3993                })
3994                .ok();
3995        }
3996
3997        telemetry::event!("Follow Agent Selected", following = !following);
3998    }
3999
4000    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4001        let following = self.is_following(cx);
4002
4003        let tooltip_label = if following {
4004            if self.agent.name() == "Zed Agent" {
4005                format!("Stop Following the {}", self.agent.name())
4006            } else {
4007                format!("Stop Following {}", self.agent.name())
4008            }
4009        } else {
4010            if self.agent.name() == "Zed Agent" {
4011                format!("Follow the {}", self.agent.name())
4012            } else {
4013                format!("Follow {}", self.agent.name())
4014            }
4015        };
4016
4017        IconButton::new("follow-agent", IconName::Crosshair)
4018            .icon_size(IconSize::Small)
4019            .icon_color(Color::Muted)
4020            .toggle_state(following)
4021            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4022            .tooltip(move |window, cx| {
4023                if following {
4024                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
4025                } else {
4026                    Tooltip::with_meta(
4027                        tooltip_label.clone(),
4028                        Some(&Follow),
4029                        "Track the agent's location as it reads and edits files.",
4030                        window,
4031                        cx,
4032                    )
4033                }
4034            })
4035            .on_click(cx.listener(move |this, _, window, cx| {
4036                this.toggle_following(window, cx);
4037            }))
4038    }
4039
4040    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4041        let workspace = self.workspace.clone();
4042        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4043            Self::open_link(text, &workspace, window, cx);
4044        })
4045    }
4046
4047    fn open_link(
4048        url: SharedString,
4049        workspace: &WeakEntity<Workspace>,
4050        window: &mut Window,
4051        cx: &mut App,
4052    ) {
4053        let Some(workspace) = workspace.upgrade() else {
4054            cx.open_url(&url);
4055            return;
4056        };
4057
4058        if let Some(mention) = MentionUri::parse(&url).log_err() {
4059            workspace.update(cx, |workspace, cx| match mention {
4060                MentionUri::File { abs_path } => {
4061                    let project = workspace.project();
4062                    let Some(path) =
4063                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4064                    else {
4065                        return;
4066                    };
4067
4068                    workspace
4069                        .open_path(path, None, true, window, cx)
4070                        .detach_and_log_err(cx);
4071                }
4072                MentionUri::PastedImage => {}
4073                MentionUri::Directory { abs_path } => {
4074                    let project = workspace.project();
4075                    let Some(entry_id) = project.update(cx, |project, cx| {
4076                        let path = project.find_project_path(abs_path, cx)?;
4077                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4078                    }) else {
4079                        return;
4080                    };
4081
4082                    project.update(cx, |_, cx| {
4083                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4084                    });
4085                }
4086                MentionUri::Symbol {
4087                    abs_path: path,
4088                    line_range,
4089                    ..
4090                }
4091                | MentionUri::Selection {
4092                    abs_path: Some(path),
4093                    line_range,
4094                } => {
4095                    let project = workspace.project();
4096                    let Some(path) =
4097                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4098                    else {
4099                        return;
4100                    };
4101
4102                    let item = workspace.open_path(path, None, true, window, cx);
4103                    window
4104                        .spawn(cx, async move |cx| {
4105                            let Some(editor) = item.await?.downcast::<Editor>() else {
4106                                return Ok(());
4107                            };
4108                            let range = Point::new(*line_range.start(), 0)
4109                                ..Point::new(*line_range.start(), 0);
4110                            editor
4111                                .update_in(cx, |editor, window, cx| {
4112                                    editor.change_selections(
4113                                        SelectionEffects::scroll(Autoscroll::center()),
4114                                        window,
4115                                        cx,
4116                                        |s| s.select_ranges(vec![range]),
4117                                    );
4118                                })
4119                                .ok();
4120                            anyhow::Ok(())
4121                        })
4122                        .detach_and_log_err(cx);
4123                }
4124                MentionUri::Selection { abs_path: None, .. } => {}
4125                MentionUri::Thread { id, name } => {
4126                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4127                        panel.update(cx, |panel, cx| {
4128                            panel.load_agent_thread(
4129                                DbThreadMetadata {
4130                                    id,
4131                                    title: name.into(),
4132                                    updated_at: Default::default(),
4133                                },
4134                                window,
4135                                cx,
4136                            )
4137                        });
4138                    }
4139                }
4140                MentionUri::TextThread { path, .. } => {
4141                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4142                        panel.update(cx, |panel, cx| {
4143                            panel
4144                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
4145                                .detach_and_log_err(cx);
4146                        });
4147                    }
4148                }
4149                MentionUri::Rule { id, .. } => {
4150                    let PromptId::User { uuid } = id else {
4151                        return;
4152                    };
4153                    window.dispatch_action(
4154                        Box::new(OpenRulesLibrary {
4155                            prompt_to_select: Some(uuid.0),
4156                        }),
4157                        cx,
4158                    )
4159                }
4160                MentionUri::Fetch { url } => {
4161                    cx.open_url(url.as_str());
4162                }
4163            })
4164        } else {
4165            cx.open_url(&url);
4166        }
4167    }
4168
4169    fn open_tool_call_location(
4170        &self,
4171        entry_ix: usize,
4172        location_ix: usize,
4173        window: &mut Window,
4174        cx: &mut Context<Self>,
4175    ) -> Option<()> {
4176        let (tool_call_location, agent_location) = self
4177            .thread()?
4178            .read(cx)
4179            .entries()
4180            .get(entry_ix)?
4181            .location(location_ix)?;
4182
4183        let project_path = self
4184            .project
4185            .read(cx)
4186            .find_project_path(&tool_call_location.path, cx)?;
4187
4188        let open_task = self
4189            .workspace
4190            .update(cx, |workspace, cx| {
4191                workspace.open_path(project_path, None, true, window, cx)
4192            })
4193            .log_err()?;
4194        window
4195            .spawn(cx, async move |cx| {
4196                let item = open_task.await?;
4197
4198                let Some(active_editor) = item.downcast::<Editor>() else {
4199                    return anyhow::Ok(());
4200                };
4201
4202                active_editor.update_in(cx, |editor, window, cx| {
4203                    let multibuffer = editor.buffer().read(cx);
4204                    let buffer = multibuffer.as_singleton();
4205                    if agent_location.buffer.upgrade() == buffer {
4206                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4207                        let anchor = editor::Anchor::in_buffer(
4208                            excerpt_id.unwrap(),
4209                            buffer.unwrap().read(cx).remote_id(),
4210                            agent_location.position,
4211                        );
4212                        editor.change_selections(Default::default(), window, cx, |selections| {
4213                            selections.select_anchor_ranges([anchor..anchor]);
4214                        })
4215                    } else {
4216                        let row = tool_call_location.line.unwrap_or_default();
4217                        editor.change_selections(Default::default(), window, cx, |selections| {
4218                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4219                        })
4220                    }
4221                })?;
4222
4223                anyhow::Ok(())
4224            })
4225            .detach_and_log_err(cx);
4226
4227        None
4228    }
4229
4230    pub fn open_thread_as_markdown(
4231        &self,
4232        workspace: Entity<Workspace>,
4233        window: &mut Window,
4234        cx: &mut App,
4235    ) -> Task<Result<()>> {
4236        let markdown_language_task = workspace
4237            .read(cx)
4238            .app_state()
4239            .languages
4240            .language_for_name("Markdown");
4241
4242        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4243            let thread = thread.read(cx);
4244            (thread.title().to_string(), thread.to_markdown(cx))
4245        } else {
4246            return Task::ready(Ok(()));
4247        };
4248
4249        window.spawn(cx, async move |cx| {
4250            let markdown_language = markdown_language_task.await?;
4251
4252            workspace.update_in(cx, |workspace, window, cx| {
4253                let project = workspace.project().clone();
4254
4255                if !project.read(cx).is_local() {
4256                    bail!("failed to open active thread as markdown in remote project");
4257                }
4258
4259                let buffer = project.update(cx, |project, cx| {
4260                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
4261                });
4262                let buffer = cx.new(|cx| {
4263                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4264                });
4265
4266                workspace.add_item_to_active_pane(
4267                    Box::new(cx.new(|cx| {
4268                        let mut editor =
4269                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4270                        editor.set_breadcrumb_header(thread_summary);
4271                        editor
4272                    })),
4273                    None,
4274                    true,
4275                    window,
4276                    cx,
4277                );
4278
4279                anyhow::Ok(())
4280            })??;
4281            anyhow::Ok(())
4282        })
4283    }
4284
4285    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4286        self.list_state.scroll_to(ListOffset::default());
4287        cx.notify();
4288    }
4289
4290    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4291        if let Some(thread) = self.thread() {
4292            let entry_count = thread.read(cx).entries().len();
4293            self.list_state.reset(entry_count);
4294            cx.notify();
4295        }
4296    }
4297
4298    fn notify_with_sound(
4299        &mut self,
4300        caption: impl Into<SharedString>,
4301        icon: IconName,
4302        window: &mut Window,
4303        cx: &mut Context<Self>,
4304    ) {
4305        self.play_notification_sound(window, cx);
4306        self.show_notification(caption, icon, window, cx);
4307    }
4308
4309    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4310        let settings = AgentSettings::get_global(cx);
4311        if settings.play_sound_when_agent_done && !window.is_window_active() {
4312            Audio::play_sound(Sound::AgentDone, cx);
4313        }
4314    }
4315
4316    fn show_notification(
4317        &mut self,
4318        caption: impl Into<SharedString>,
4319        icon: IconName,
4320        window: &mut Window,
4321        cx: &mut Context<Self>,
4322    ) {
4323        if window.is_window_active() || !self.notifications.is_empty() {
4324            return;
4325        }
4326
4327        // TODO: Change this once we have title summarization for external agents.
4328        let title = self.agent.name();
4329
4330        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4331            NotifyWhenAgentWaiting::PrimaryScreen => {
4332                if let Some(primary) = cx.primary_display() {
4333                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4334                }
4335            }
4336            NotifyWhenAgentWaiting::AllScreens => {
4337                let caption = caption.into();
4338                for screen in cx.displays() {
4339                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4340                }
4341            }
4342            NotifyWhenAgentWaiting::Never => {
4343                // Don't show anything
4344            }
4345        }
4346    }
4347
4348    fn pop_up(
4349        &mut self,
4350        icon: IconName,
4351        caption: SharedString,
4352        title: SharedString,
4353        window: &mut Window,
4354        screen: Rc<dyn PlatformDisplay>,
4355        cx: &mut Context<Self>,
4356    ) {
4357        let options = AgentNotification::window_options(screen, cx);
4358
4359        let project_name = self.workspace.upgrade().and_then(|workspace| {
4360            workspace
4361                .read(cx)
4362                .project()
4363                .read(cx)
4364                .visible_worktrees(cx)
4365                .next()
4366                .map(|worktree| worktree.read(cx).root_name().to_string())
4367        });
4368
4369        if let Some(screen_window) = cx
4370            .open_window(options, |_, cx| {
4371                cx.new(|_| {
4372                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4373                })
4374            })
4375            .log_err()
4376            && let Some(pop_up) = screen_window.entity(cx).log_err()
4377        {
4378            self.notification_subscriptions
4379                .entry(screen_window)
4380                .or_insert_with(Vec::new)
4381                .push(cx.subscribe_in(&pop_up, window, {
4382                    |this, _, event, window, cx| match event {
4383                        AgentNotificationEvent::Accepted => {
4384                            let handle = window.window_handle();
4385                            cx.activate(true);
4386
4387                            let workspace_handle = this.workspace.clone();
4388
4389                            // If there are multiple Zed windows, activate the correct one.
4390                            cx.defer(move |cx| {
4391                                handle
4392                                    .update(cx, |_view, window, _cx| {
4393                                        window.activate_window();
4394
4395                                        if let Some(workspace) = workspace_handle.upgrade() {
4396                                            workspace.update(_cx, |workspace, cx| {
4397                                                workspace.focus_panel::<AgentPanel>(window, cx);
4398                                            });
4399                                        }
4400                                    })
4401                                    .log_err();
4402                            });
4403
4404                            this.dismiss_notifications(cx);
4405                        }
4406                        AgentNotificationEvent::Dismissed => {
4407                            this.dismiss_notifications(cx);
4408                        }
4409                    }
4410                }));
4411
4412            self.notifications.push(screen_window);
4413
4414            // If the user manually refocuses the original window, dismiss the popup.
4415            self.notification_subscriptions
4416                .entry(screen_window)
4417                .or_insert_with(Vec::new)
4418                .push({
4419                    let pop_up_weak = pop_up.downgrade();
4420
4421                    cx.observe_window_activation(window, move |_, window, cx| {
4422                        if window.is_window_active()
4423                            && let Some(pop_up) = pop_up_weak.upgrade()
4424                        {
4425                            pop_up.update(cx, |_, cx| {
4426                                cx.emit(AgentNotificationEvent::Dismissed);
4427                            });
4428                        }
4429                    })
4430                });
4431        }
4432    }
4433
4434    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4435        for window in self.notifications.drain(..) {
4436            window
4437                .update(cx, |_, window, _| {
4438                    window.remove_window();
4439                })
4440                .ok();
4441
4442            self.notification_subscriptions.remove(&window);
4443        }
4444    }
4445
4446    fn render_thread_controls(
4447        &self,
4448        thread: &Entity<AcpThread>,
4449        cx: &Context<Self>,
4450    ) -> impl IntoElement {
4451        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4452        if is_generating {
4453            return h_flex().id("thread-controls-container").child(
4454                div()
4455                    .py_2()
4456                    .px(rems_from_px(22.))
4457                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4458            );
4459        }
4460
4461        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4462            .shape(ui::IconButtonShape::Square)
4463            .icon_size(IconSize::Small)
4464            .icon_color(Color::Ignored)
4465            .tooltip(Tooltip::text("Open Thread as Markdown"))
4466            .on_click(cx.listener(move |this, _, window, cx| {
4467                if let Some(workspace) = this.workspace.upgrade() {
4468                    this.open_thread_as_markdown(workspace, window, cx)
4469                        .detach_and_log_err(cx);
4470                }
4471            }));
4472
4473        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4474            .shape(ui::IconButtonShape::Square)
4475            .icon_size(IconSize::Small)
4476            .icon_color(Color::Ignored)
4477            .tooltip(Tooltip::text("Scroll To Top"))
4478            .on_click(cx.listener(move |this, _, _, cx| {
4479                this.scroll_to_top(cx);
4480            }));
4481
4482        let mut container = h_flex()
4483            .id("thread-controls-container")
4484            .group("thread-controls-container")
4485            .w_full()
4486            .py_2()
4487            .px_5()
4488            .gap_px()
4489            .opacity(0.6)
4490            .hover(|style| style.opacity(1.))
4491            .flex_wrap()
4492            .justify_end();
4493
4494        if AgentSettings::get_global(cx).enable_feedback
4495            && self
4496                .thread()
4497                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4498        {
4499            let feedback = self.thread_feedback.feedback;
4500
4501            container = container
4502                .child(
4503                    div().visible_on_hover("thread-controls-container").child(
4504                        Label::new(match feedback {
4505                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4506                            Some(ThreadFeedback::Negative) => {
4507                                "We appreciate your feedback and will use it to improve."
4508                            }
4509                            None => {
4510                                "Rating the thread sends all of your current conversation to the Zed team."
4511                            }
4512                        })
4513                        .color(Color::Muted)
4514                        .size(LabelSize::XSmall)
4515                        .truncate(),
4516                    ),
4517                )
4518                .child(
4519                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4520                        .shape(ui::IconButtonShape::Square)
4521                        .icon_size(IconSize::Small)
4522                        .icon_color(match feedback {
4523                            Some(ThreadFeedback::Positive) => Color::Accent,
4524                            _ => Color::Ignored,
4525                        })
4526                        .tooltip(Tooltip::text("Helpful Response"))
4527                        .on_click(cx.listener(move |this, _, window, cx| {
4528                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4529                        })),
4530                )
4531                .child(
4532                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4533                        .shape(ui::IconButtonShape::Square)
4534                        .icon_size(IconSize::Small)
4535                        .icon_color(match feedback {
4536                            Some(ThreadFeedback::Negative) => Color::Accent,
4537                            _ => Color::Ignored,
4538                        })
4539                        .tooltip(Tooltip::text("Not Helpful"))
4540                        .on_click(cx.listener(move |this, _, window, cx| {
4541                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4542                        })),
4543                );
4544        }
4545
4546        container.child(open_as_markdown).child(scroll_to_top)
4547    }
4548
4549    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4550        h_flex()
4551            .key_context("AgentFeedbackMessageEditor")
4552            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4553                this.thread_feedback.dismiss_comments();
4554                cx.notify();
4555            }))
4556            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4557                this.submit_feedback_message(cx);
4558            }))
4559            .p_2()
4560            .mb_2()
4561            .mx_5()
4562            .gap_1()
4563            .rounded_md()
4564            .border_1()
4565            .border_color(cx.theme().colors().border)
4566            .bg(cx.theme().colors().editor_background)
4567            .child(div().w_full().child(editor))
4568            .child(
4569                h_flex()
4570                    .child(
4571                        IconButton::new("dismiss-feedback-message", IconName::Close)
4572                            .icon_color(Color::Error)
4573                            .icon_size(IconSize::XSmall)
4574                            .shape(ui::IconButtonShape::Square)
4575                            .on_click(cx.listener(move |this, _, _window, cx| {
4576                                this.thread_feedback.dismiss_comments();
4577                                cx.notify();
4578                            })),
4579                    )
4580                    .child(
4581                        IconButton::new("submit-feedback-message", IconName::Return)
4582                            .icon_size(IconSize::XSmall)
4583                            .shape(ui::IconButtonShape::Square)
4584                            .on_click(cx.listener(move |this, _, _window, cx| {
4585                                this.submit_feedback_message(cx);
4586                            })),
4587                    ),
4588            )
4589    }
4590
4591    fn handle_feedback_click(
4592        &mut self,
4593        feedback: ThreadFeedback,
4594        window: &mut Window,
4595        cx: &mut Context<Self>,
4596    ) {
4597        let Some(thread) = self.thread().cloned() else {
4598            return;
4599        };
4600
4601        self.thread_feedback.submit(thread, feedback, window, cx);
4602        cx.notify();
4603    }
4604
4605    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4606        let Some(thread) = self.thread().cloned() else {
4607            return;
4608        };
4609
4610        self.thread_feedback.submit_comments(thread, cx);
4611        cx.notify();
4612    }
4613
4614    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4615        div()
4616            .id("acp-thread-scrollbar")
4617            .occlude()
4618            .on_mouse_move(cx.listener(|_, _, _, cx| {
4619                cx.notify();
4620                cx.stop_propagation()
4621            }))
4622            .on_hover(|_, _, cx| {
4623                cx.stop_propagation();
4624            })
4625            .on_any_mouse_down(|_, _, cx| {
4626                cx.stop_propagation();
4627            })
4628            .on_mouse_up(
4629                MouseButton::Left,
4630                cx.listener(|_, _, _, cx| {
4631                    cx.stop_propagation();
4632                }),
4633            )
4634            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4635                cx.notify();
4636            }))
4637            .h_full()
4638            .absolute()
4639            .right_1()
4640            .top_1()
4641            .bottom_0()
4642            .w(px(12.))
4643            .cursor_default()
4644            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4645    }
4646
4647    fn render_token_limit_callout(
4648        &self,
4649        line_height: Pixels,
4650        cx: &mut Context<Self>,
4651    ) -> Option<Callout> {
4652        let token_usage = self.thread()?.read(cx).token_usage()?;
4653        let ratio = token_usage.ratio();
4654
4655        let (severity, title) = match ratio {
4656            acp_thread::TokenUsageRatio::Normal => return None,
4657            acp_thread::TokenUsageRatio::Warning => {
4658                (Severity::Warning, "Thread reaching the token limit soon")
4659            }
4660            acp_thread::TokenUsageRatio::Exceeded => {
4661                (Severity::Error, "Thread reached the token limit")
4662            }
4663        };
4664
4665        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4666            thread.read(cx).completion_mode() == CompletionMode::Normal
4667                && thread
4668                    .read(cx)
4669                    .model()
4670                    .is_some_and(|model| model.supports_burn_mode())
4671        });
4672
4673        let description = if burn_mode_available {
4674            "To continue, start a new thread from a summary or turn Burn Mode on."
4675        } else {
4676            "To continue, start a new thread from a summary."
4677        };
4678
4679        Some(
4680            Callout::new()
4681                .severity(severity)
4682                .line_height(line_height)
4683                .title(title)
4684                .description(description)
4685                .actions_slot(
4686                    h_flex()
4687                        .gap_0p5()
4688                        .child(
4689                            Button::new("start-new-thread", "Start New Thread")
4690                                .label_size(LabelSize::Small)
4691                                .on_click(cx.listener(|this, _, window, cx| {
4692                                    let Some(thread) = this.thread() else {
4693                                        return;
4694                                    };
4695                                    let session_id = thread.read(cx).session_id().clone();
4696                                    window.dispatch_action(
4697                                        crate::NewNativeAgentThreadFromSummary {
4698                                            from_session_id: session_id,
4699                                        }
4700                                        .boxed_clone(),
4701                                        cx,
4702                                    );
4703                                })),
4704                        )
4705                        .when(burn_mode_available, |this| {
4706                            this.child(
4707                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4708                                    .icon_size(IconSize::XSmall)
4709                                    .on_click(cx.listener(|this, _event, window, cx| {
4710                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4711                                    })),
4712                            )
4713                        }),
4714                ),
4715        )
4716    }
4717
4718    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4719        if !self.is_using_zed_ai_models(cx) {
4720            return None;
4721        }
4722
4723        let user_store = self.project.read(cx).user_store().read(cx);
4724        if user_store.is_usage_based_billing_enabled() {
4725            return None;
4726        }
4727
4728        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4729
4730        let usage = user_store.model_request_usage()?;
4731
4732        Some(
4733            div()
4734                .child(UsageCallout::new(plan, usage))
4735                .line_height(line_height),
4736        )
4737    }
4738
4739    fn agent_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4740        self.entry_view_state.update(cx, |entry_view_state, cx| {
4741            entry_view_state.agent_font_size_changed(cx);
4742        });
4743    }
4744
4745    pub(crate) fn insert_dragged_files(
4746        &self,
4747        paths: Vec<project::ProjectPath>,
4748        added_worktrees: Vec<Entity<project::Worktree>>,
4749        window: &mut Window,
4750        cx: &mut Context<Self>,
4751    ) {
4752        self.message_editor.update(cx, |message_editor, cx| {
4753            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4754        })
4755    }
4756
4757    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4758        self.message_editor.update(cx, |message_editor, cx| {
4759            message_editor.insert_selections(window, cx);
4760        })
4761    }
4762
4763    fn render_thread_retry_status_callout(
4764        &self,
4765        _window: &mut Window,
4766        _cx: &mut Context<Self>,
4767    ) -> Option<Callout> {
4768        let state = self.thread_retry_status.as_ref()?;
4769
4770        let next_attempt_in = state
4771            .duration
4772            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4773        if next_attempt_in.is_zero() {
4774            return None;
4775        }
4776
4777        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4778
4779        let retry_message = if state.max_attempts == 1 {
4780            if next_attempt_in_secs == 1 {
4781                "Retrying. Next attempt in 1 second.".to_string()
4782            } else {
4783                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4784            }
4785        } else if next_attempt_in_secs == 1 {
4786            format!(
4787                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4788                state.attempt, state.max_attempts,
4789            )
4790        } else {
4791            format!(
4792                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4793                state.attempt, state.max_attempts,
4794            )
4795        };
4796
4797        Some(
4798            Callout::new()
4799                .severity(Severity::Warning)
4800                .title(state.last_error.clone())
4801                .description(retry_message),
4802        )
4803    }
4804
4805    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4806        let content = match self.thread_error.as_ref()? {
4807            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4808            ThreadError::Refusal => self.render_refusal_error(cx),
4809            ThreadError::AuthenticationRequired(error) => {
4810                self.render_authentication_required_error(error.clone(), cx)
4811            }
4812            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4813            ThreadError::ModelRequestLimitReached(plan) => {
4814                self.render_model_request_limit_reached_error(*plan, cx)
4815            }
4816            ThreadError::ToolUseLimitReached => {
4817                self.render_tool_use_limit_reached_error(window, cx)?
4818            }
4819        };
4820
4821        Some(div().child(content))
4822    }
4823
4824    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
4825        v_flex().w_full().justify_end().child(
4826            h_flex()
4827                .p_2()
4828                .pr_3()
4829                .w_full()
4830                .gap_1p5()
4831                .border_t_1()
4832                .border_color(cx.theme().colors().border)
4833                .bg(cx.theme().colors().element_background)
4834                .child(
4835                    h_flex()
4836                        .flex_1()
4837                        .gap_1p5()
4838                        .child(
4839                            Icon::new(IconName::Download)
4840                                .color(Color::Accent)
4841                                .size(IconSize::Small),
4842                        )
4843                        .child(Label::new("New version available").size(LabelSize::Small)),
4844                )
4845                .child(
4846                    Button::new("update-button", format!("Update to v{}", version))
4847                        .label_size(LabelSize::Small)
4848                        .style(ButtonStyle::Tinted(TintColor::Accent))
4849                        .on_click(cx.listener(|this, _, window, cx| {
4850                            this.reset(window, cx);
4851                        })),
4852                ),
4853        )
4854    }
4855
4856    fn get_current_model_name(&self, cx: &App) -> SharedString {
4857        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
4858        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
4859        // This provides better clarity about what refused the request
4860        if self
4861            .agent
4862            .clone()
4863            .downcast::<agent2::NativeAgentServer>()
4864            .is_some()
4865        {
4866            // Native agent - use the model name
4867            self.model_selector
4868                .as_ref()
4869                .and_then(|selector| selector.read(cx).active_model_name(cx))
4870                .unwrap_or_else(|| SharedString::from("The model"))
4871        } else {
4872            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
4873            self.agent.name()
4874        }
4875    }
4876
4877    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
4878        let model_or_agent_name = self.get_current_model_name(cx);
4879        let refusal_message = format!(
4880            "{} 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.",
4881            model_or_agent_name
4882        );
4883
4884        Callout::new()
4885            .severity(Severity::Error)
4886            .title("Request Refused")
4887            .icon(IconName::XCircle)
4888            .description(refusal_message.clone())
4889            .actions_slot(self.create_copy_button(&refusal_message))
4890            .dismiss_action(self.dismiss_error_button(cx))
4891    }
4892
4893    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4894        let can_resume = self
4895            .thread()
4896            .map_or(false, |thread| thread.read(cx).can_resume(cx));
4897
4898        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
4899            let thread = thread.read(cx);
4900            let supports_burn_mode = thread
4901                .model()
4902                .map_or(false, |model| model.supports_burn_mode());
4903            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
4904        });
4905
4906        Callout::new()
4907            .severity(Severity::Error)
4908            .title("Error")
4909            .icon(IconName::XCircle)
4910            .description(error.clone())
4911            .actions_slot(
4912                h_flex()
4913                    .gap_0p5()
4914                    .when(can_resume && can_enable_burn_mode, |this| {
4915                        this.child(
4916                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
4917                                .icon(IconName::ZedBurnMode)
4918                                .icon_position(IconPosition::Start)
4919                                .icon_size(IconSize::Small)
4920                                .label_size(LabelSize::Small)
4921                                .on_click(cx.listener(|this, _, window, cx| {
4922                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4923                                    this.resume_chat(cx);
4924                                })),
4925                        )
4926                    })
4927                    .when(can_resume, |this| {
4928                        this.child(
4929                            Button::new("retry", "Retry")
4930                                .icon(IconName::RotateCw)
4931                                .icon_position(IconPosition::Start)
4932                                .icon_size(IconSize::Small)
4933                                .label_size(LabelSize::Small)
4934                                .on_click(cx.listener(|this, _, _window, cx| {
4935                                    this.resume_chat(cx);
4936                                })),
4937                        )
4938                    })
4939                    .child(self.create_copy_button(error.to_string())),
4940            )
4941            .dismiss_action(self.dismiss_error_button(cx))
4942    }
4943
4944    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4945        const ERROR_MESSAGE: &str =
4946            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4947
4948        Callout::new()
4949            .severity(Severity::Error)
4950            .icon(IconName::XCircle)
4951            .title("Free Usage Exceeded")
4952            .description(ERROR_MESSAGE)
4953            .actions_slot(
4954                h_flex()
4955                    .gap_0p5()
4956                    .child(self.upgrade_button(cx))
4957                    .child(self.create_copy_button(ERROR_MESSAGE)),
4958            )
4959            .dismiss_action(self.dismiss_error_button(cx))
4960    }
4961
4962    fn render_authentication_required_error(
4963        &self,
4964        error: SharedString,
4965        cx: &mut Context<Self>,
4966    ) -> Callout {
4967        Callout::new()
4968            .severity(Severity::Error)
4969            .title("Authentication Required")
4970            .icon(IconName::XCircle)
4971            .description(error.clone())
4972            .actions_slot(
4973                h_flex()
4974                    .gap_0p5()
4975                    .child(self.authenticate_button(cx))
4976                    .child(self.create_copy_button(error)),
4977            )
4978            .dismiss_action(self.dismiss_error_button(cx))
4979    }
4980
4981    fn render_model_request_limit_reached_error(
4982        &self,
4983        plan: cloud_llm_client::Plan,
4984        cx: &mut Context<Self>,
4985    ) -> Callout {
4986        let error_message = match plan {
4987            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4988            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4989                "Upgrade to Zed Pro for more prompts."
4990            }
4991        };
4992
4993        Callout::new()
4994            .severity(Severity::Error)
4995            .title("Model Prompt Limit Reached")
4996            .icon(IconName::XCircle)
4997            .description(error_message)
4998            .actions_slot(
4999                h_flex()
5000                    .gap_0p5()
5001                    .child(self.upgrade_button(cx))
5002                    .child(self.create_copy_button(error_message)),
5003            )
5004            .dismiss_action(self.dismiss_error_button(cx))
5005    }
5006
5007    fn render_tool_use_limit_reached_error(
5008        &self,
5009        window: &mut Window,
5010        cx: &mut Context<Self>,
5011    ) -> Option<Callout> {
5012        let thread = self.as_native_thread(cx)?;
5013        let supports_burn_mode = thread
5014            .read(cx)
5015            .model()
5016            .is_some_and(|model| model.supports_burn_mode());
5017
5018        let focus_handle = self.focus_handle(cx);
5019
5020        Some(
5021            Callout::new()
5022                .icon(IconName::Info)
5023                .title("Consecutive tool use limit reached.")
5024                .actions_slot(
5025                    h_flex()
5026                        .gap_0p5()
5027                        .when(supports_burn_mode, |this| {
5028                            this.child(
5029                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5030                                    .style(ButtonStyle::Filled)
5031                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5032                                    .layer(ElevationIndex::ModalSurface)
5033                                    .label_size(LabelSize::Small)
5034                                    .key_binding(
5035                                        KeyBinding::for_action_in(
5036                                            &ContinueWithBurnMode,
5037                                            &focus_handle,
5038                                            window,
5039                                            cx,
5040                                        )
5041                                        .map(|kb| kb.size(rems_from_px(10.))),
5042                                    )
5043                                    .tooltip(Tooltip::text(
5044                                        "Enable Burn Mode for unlimited tool use.",
5045                                    ))
5046                                    .on_click({
5047                                        cx.listener(move |this, _, _window, cx| {
5048                                            thread.update(cx, |thread, cx| {
5049                                                thread
5050                                                    .set_completion_mode(CompletionMode::Burn, cx);
5051                                            });
5052                                            this.resume_chat(cx);
5053                                        })
5054                                    }),
5055                            )
5056                        })
5057                        .child(
5058                            Button::new("continue-conversation", "Continue")
5059                                .layer(ElevationIndex::ModalSurface)
5060                                .label_size(LabelSize::Small)
5061                                .key_binding(
5062                                    KeyBinding::for_action_in(
5063                                        &ContinueThread,
5064                                        &focus_handle,
5065                                        window,
5066                                        cx,
5067                                    )
5068                                    .map(|kb| kb.size(rems_from_px(10.))),
5069                                )
5070                                .on_click(cx.listener(|this, _, _window, cx| {
5071                                    this.resume_chat(cx);
5072                                })),
5073                        ),
5074                ),
5075        )
5076    }
5077
5078    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5079        let message = message.into();
5080
5081        IconButton::new("copy", IconName::Copy)
5082            .icon_size(IconSize::Small)
5083            .icon_color(Color::Muted)
5084            .tooltip(Tooltip::text("Copy Error Message"))
5085            .on_click(move |_, _, cx| {
5086                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5087            })
5088    }
5089
5090    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5091        IconButton::new("dismiss", IconName::Close)
5092            .icon_size(IconSize::Small)
5093            .icon_color(Color::Muted)
5094            .tooltip(Tooltip::text("Dismiss Error"))
5095            .on_click(cx.listener({
5096                move |this, _, _, cx| {
5097                    this.clear_thread_error(cx);
5098                    cx.notify();
5099                }
5100            }))
5101    }
5102
5103    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5104        Button::new("authenticate", "Authenticate")
5105            .label_size(LabelSize::Small)
5106            .style(ButtonStyle::Filled)
5107            .on_click(cx.listener({
5108                move |this, _, window, cx| {
5109                    let agent = this.agent.clone();
5110                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5111                        return;
5112                    };
5113
5114                    let connection = thread.read(cx).connection().clone();
5115                    let err = AuthRequired {
5116                        description: None,
5117                        provider_id: None,
5118                    };
5119                    this.clear_thread_error(cx);
5120                    let this = cx.weak_entity();
5121                    window.defer(cx, |window, cx| {
5122                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5123                    })
5124                }
5125            }))
5126    }
5127
5128    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5129        let agent = self.agent.clone();
5130        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5131            return;
5132        };
5133
5134        let connection = thread.read(cx).connection().clone();
5135        let err = AuthRequired {
5136            description: None,
5137            provider_id: None,
5138        };
5139        self.clear_thread_error(cx);
5140        let this = cx.weak_entity();
5141        window.defer(cx, |window, cx| {
5142            Self::handle_auth_required(this, err, agent, connection, window, cx);
5143        })
5144    }
5145
5146    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5147        Button::new("upgrade", "Upgrade")
5148            .label_size(LabelSize::Small)
5149            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5150            .on_click(cx.listener({
5151                move |this, _, _, cx| {
5152                    this.clear_thread_error(cx);
5153                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5154                }
5155            }))
5156    }
5157
5158    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5159        let task = match entry {
5160            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5161                history.delete_thread(thread.id.clone(), cx)
5162            }),
5163            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
5164                history.delete_text_thread(context.path.clone(), cx)
5165            }),
5166        };
5167        task.detach_and_log_err(cx);
5168    }
5169}
5170
5171fn loading_contents_spinner(size: IconSize) -> AnyElement {
5172    Icon::new(IconName::LoadCircle)
5173        .size(size)
5174        .color(Color::Accent)
5175        .with_rotate_animation(3)
5176        .into_any_element()
5177}
5178
5179impl Focusable for AcpThreadView {
5180    fn focus_handle(&self, cx: &App) -> FocusHandle {
5181        match self.thread_state {
5182            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5183                self.message_editor.focus_handle(cx)
5184            }
5185            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5186                self.focus_handle.clone()
5187            }
5188        }
5189    }
5190}
5191
5192impl Render for AcpThreadView {
5193    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5194        let has_messages = self.list_state.item_count() > 0;
5195        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5196
5197        v_flex()
5198            .size_full()
5199            .key_context("AcpThread")
5200            .on_action(cx.listener(Self::open_agent_diff))
5201            .on_action(cx.listener(Self::toggle_burn_mode))
5202            .on_action(cx.listener(Self::keep_all))
5203            .on_action(cx.listener(Self::reject_all))
5204            .track_focus(&self.focus_handle)
5205            .bg(cx.theme().colors().panel_background)
5206            .child(match &self.thread_state {
5207                ThreadState::Unauthenticated {
5208                    connection,
5209                    description,
5210                    configuration_view,
5211                    pending_auth_method,
5212                    ..
5213                } => self.render_auth_required_state(
5214                    connection,
5215                    description.as_ref(),
5216                    configuration_view.as_ref(),
5217                    pending_auth_method.as_ref(),
5218                    window,
5219                    cx,
5220                ),
5221                ThreadState::Loading { .. } => v_flex()
5222                    .flex_1()
5223                    .child(self.render_recent_history(window, cx)),
5224                ThreadState::LoadError(e) => v_flex()
5225                    .flex_1()
5226                    .size_full()
5227                    .items_center()
5228                    .justify_end()
5229                    .child(self.render_load_error(e, window, cx)),
5230                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5231                    if has_messages {
5232                        this.child(
5233                            list(
5234                                self.list_state.clone(),
5235                                cx.processor(|this, index: usize, window, cx| {
5236                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5237                                        let entries = &thread.read(cx).entries();
5238                                        Some((entries.get(index)?, entries.len()))
5239                                    }) else {
5240                                        return Empty.into_any();
5241                                    };
5242                                    this.render_entry(index, len, entry, window, cx)
5243                                }),
5244                            )
5245                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5246                            .flex_grow()
5247                            .into_any(),
5248                        )
5249                        .child(self.render_vertical_scrollbar(cx))
5250                    } else {
5251                        this.child(self.render_recent_history(window, cx))
5252                    }
5253                }),
5254            })
5255            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5256            // above so that the scrollbar doesn't render behind it. The current setup allows
5257            // the scrollbar to stop exactly at the activity bar start.
5258            .when(has_messages, |this| match &self.thread_state {
5259                ThreadState::Ready { thread, .. } => {
5260                    this.children(self.render_activity_bar(thread, window, cx))
5261                }
5262                _ => this,
5263            })
5264            .children(self.render_thread_retry_status_callout(window, cx))
5265            .children(self.render_thread_error(window, cx))
5266            .when_some(
5267                self.new_server_version_available.as_ref().filter(|_| {
5268                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5269                }),
5270                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5271            )
5272            .children(
5273                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5274                    Some(usage_callout.into_any_element())
5275                } else {
5276                    self.render_token_limit_callout(line_height, cx)
5277                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5278                },
5279            )
5280            .child(self.render_message_editor(window, cx))
5281    }
5282}
5283
5284fn default_markdown_style(
5285    buffer_font: bool,
5286    muted_text: bool,
5287    window: &Window,
5288    cx: &App,
5289) -> MarkdownStyle {
5290    let theme_settings = ThemeSettings::get_global(cx);
5291    let colors = cx.theme().colors();
5292
5293    let buffer_font_size = TextSize::Small.rems(cx);
5294
5295    let mut text_style = window.text_style();
5296    let line_height = buffer_font_size * 1.75;
5297
5298    let font_family = if buffer_font {
5299        theme_settings.buffer_font.family.clone()
5300    } else {
5301        theme_settings.ui_font.family.clone()
5302    };
5303
5304    let font_size = if buffer_font {
5305        TextSize::Small.rems(cx)
5306    } else {
5307        TextSize::Default.rems(cx)
5308    };
5309
5310    let text_color = if muted_text {
5311        colors.text_muted
5312    } else {
5313        colors.text
5314    };
5315
5316    text_style.refine(&TextStyleRefinement {
5317        font_family: Some(font_family),
5318        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5319        font_features: Some(theme_settings.ui_font.features.clone()),
5320        font_size: Some(font_size.into()),
5321        line_height: Some(line_height.into()),
5322        color: Some(text_color),
5323        ..Default::default()
5324    });
5325
5326    MarkdownStyle {
5327        base_text_style: text_style.clone(),
5328        syntax: cx.theme().syntax().clone(),
5329        selection_background_color: colors.element_selection_background,
5330        code_block_overflow_x_scroll: true,
5331        table_overflow_x_scroll: true,
5332        heading_level_styles: Some(HeadingLevelStyles {
5333            h1: Some(TextStyleRefinement {
5334                font_size: Some(rems(1.15).into()),
5335                ..Default::default()
5336            }),
5337            h2: Some(TextStyleRefinement {
5338                font_size: Some(rems(1.1).into()),
5339                ..Default::default()
5340            }),
5341            h3: Some(TextStyleRefinement {
5342                font_size: Some(rems(1.05).into()),
5343                ..Default::default()
5344            }),
5345            h4: Some(TextStyleRefinement {
5346                font_size: Some(rems(1.).into()),
5347                ..Default::default()
5348            }),
5349            h5: Some(TextStyleRefinement {
5350                font_size: Some(rems(0.95).into()),
5351                ..Default::default()
5352            }),
5353            h6: Some(TextStyleRefinement {
5354                font_size: Some(rems(0.875).into()),
5355                ..Default::default()
5356            }),
5357        }),
5358        code_block: StyleRefinement {
5359            padding: EdgesRefinement {
5360                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5361                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5362                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5363                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5364            },
5365            margin: EdgesRefinement {
5366                top: Some(Length::Definite(Pixels(8.).into())),
5367                left: Some(Length::Definite(Pixels(0.).into())),
5368                right: Some(Length::Definite(Pixels(0.).into())),
5369                bottom: Some(Length::Definite(Pixels(12.).into())),
5370            },
5371            border_style: Some(BorderStyle::Solid),
5372            border_widths: EdgesRefinement {
5373                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
5374                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
5375                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
5376                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
5377            },
5378            border_color: Some(colors.border_variant),
5379            background: Some(colors.editor_background.into()),
5380            text: Some(TextStyleRefinement {
5381                font_family: Some(theme_settings.buffer_font.family.clone()),
5382                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5383                font_features: Some(theme_settings.buffer_font.features.clone()),
5384                font_size: Some(buffer_font_size.into()),
5385                ..Default::default()
5386            }),
5387            ..Default::default()
5388        },
5389        inline_code: TextStyleRefinement {
5390            font_family: Some(theme_settings.buffer_font.family.clone()),
5391            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5392            font_features: Some(theme_settings.buffer_font.features.clone()),
5393            font_size: Some(buffer_font_size.into()),
5394            background_color: Some(colors.editor_foreground.opacity(0.08)),
5395            ..Default::default()
5396        },
5397        link: TextStyleRefinement {
5398            background_color: Some(colors.editor_foreground.opacity(0.025)),
5399            underline: Some(UnderlineStyle {
5400                color: Some(colors.text_accent.opacity(0.5)),
5401                thickness: px(1.),
5402                ..Default::default()
5403            }),
5404            ..Default::default()
5405        },
5406        ..Default::default()
5407    }
5408}
5409
5410fn plan_label_markdown_style(
5411    status: &acp::PlanEntryStatus,
5412    window: &Window,
5413    cx: &App,
5414) -> MarkdownStyle {
5415    let default_md_style = default_markdown_style(false, false, window, cx);
5416
5417    MarkdownStyle {
5418        base_text_style: TextStyle {
5419            color: cx.theme().colors().text_muted,
5420            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5421                Some(gpui::StrikethroughStyle {
5422                    thickness: px(1.),
5423                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5424                })
5425            } else {
5426                None
5427            },
5428            ..default_md_style.base_text_style
5429        },
5430        ..default_md_style
5431    }
5432}
5433
5434fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5435    let default_md_style = default_markdown_style(true, false, window, cx);
5436
5437    MarkdownStyle {
5438        base_text_style: TextStyle {
5439            ..default_md_style.base_text_style
5440        },
5441        selection_background_color: cx.theme().colors().element_selection_background,
5442        ..Default::default()
5443    }
5444}
5445
5446#[cfg(test)]
5447pub(crate) mod tests {
5448    use acp_thread::StubAgentConnection;
5449    use agent_client_protocol::SessionId;
5450    use assistant_context::ContextStore;
5451    use editor::EditorSettings;
5452    use fs::FakeFs;
5453    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5454    use project::Project;
5455    use serde_json::json;
5456    use settings::SettingsStore;
5457    use std::any::Any;
5458    use std::path::Path;
5459    use workspace::Item;
5460
5461    use super::*;
5462
5463    #[gpui::test]
5464    async fn test_drop(cx: &mut TestAppContext) {
5465        init_test(cx);
5466
5467        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5468        let weak_view = thread_view.downgrade();
5469        drop(thread_view);
5470        assert!(!weak_view.is_upgradable());
5471    }
5472
5473    #[gpui::test]
5474    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5475        init_test(cx);
5476
5477        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5478
5479        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5480        message_editor.update_in(cx, |editor, window, cx| {
5481            editor.set_text("Hello", window, cx);
5482        });
5483
5484        cx.deactivate_window();
5485
5486        thread_view.update_in(cx, |thread_view, window, cx| {
5487            thread_view.send(window, cx);
5488        });
5489
5490        cx.run_until_parked();
5491
5492        assert!(
5493            cx.windows()
5494                .iter()
5495                .any(|window| window.downcast::<AgentNotification>().is_some())
5496        );
5497    }
5498
5499    #[gpui::test]
5500    async fn test_notification_for_error(cx: &mut TestAppContext) {
5501        init_test(cx);
5502
5503        let (thread_view, cx) =
5504            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5505
5506        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5507        message_editor.update_in(cx, |editor, window, cx| {
5508            editor.set_text("Hello", window, cx);
5509        });
5510
5511        cx.deactivate_window();
5512
5513        thread_view.update_in(cx, |thread_view, window, cx| {
5514            thread_view.send(window, cx);
5515        });
5516
5517        cx.run_until_parked();
5518
5519        assert!(
5520            cx.windows()
5521                .iter()
5522                .any(|window| window.downcast::<AgentNotification>().is_some())
5523        );
5524    }
5525
5526    #[gpui::test]
5527    async fn test_refusal_handling(cx: &mut TestAppContext) {
5528        init_test(cx);
5529
5530        let (thread_view, cx) =
5531            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
5532
5533        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5534        message_editor.update_in(cx, |editor, window, cx| {
5535            editor.set_text("Do something harmful", window, cx);
5536        });
5537
5538        thread_view.update_in(cx, |thread_view, window, cx| {
5539            thread_view.send(window, cx);
5540        });
5541
5542        cx.run_until_parked();
5543
5544        // Check that the refusal error is set
5545        thread_view.read_with(cx, |thread_view, _cx| {
5546            assert!(
5547                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5548                "Expected refusal error to be set"
5549            );
5550        });
5551    }
5552
5553    #[gpui::test]
5554    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5555        init_test(cx);
5556
5557        let tool_call_id = acp::ToolCallId("1".into());
5558        let tool_call = acp::ToolCall {
5559            id: tool_call_id.clone(),
5560            title: "Label".into(),
5561            kind: acp::ToolKind::Edit,
5562            status: acp::ToolCallStatus::Pending,
5563            content: vec!["hi".into()],
5564            locations: vec![],
5565            raw_input: None,
5566            raw_output: None,
5567        };
5568        let connection =
5569            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5570                tool_call_id,
5571                vec![acp::PermissionOption {
5572                    id: acp::PermissionOptionId("1".into()),
5573                    name: "Allow".into(),
5574                    kind: acp::PermissionOptionKind::AllowOnce,
5575                }],
5576            )]));
5577
5578        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5579
5580        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5581
5582        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5583        message_editor.update_in(cx, |editor, window, cx| {
5584            editor.set_text("Hello", window, cx);
5585        });
5586
5587        cx.deactivate_window();
5588
5589        thread_view.update_in(cx, |thread_view, window, cx| {
5590            thread_view.send(window, cx);
5591        });
5592
5593        cx.run_until_parked();
5594
5595        assert!(
5596            cx.windows()
5597                .iter()
5598                .any(|window| window.downcast::<AgentNotification>().is_some())
5599        );
5600    }
5601
5602    async fn setup_thread_view(
5603        agent: impl AgentServer + 'static,
5604        cx: &mut TestAppContext,
5605    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5606        let fs = FakeFs::new(cx.executor());
5607        let project = Project::test(fs, [], cx).await;
5608        let (workspace, cx) =
5609            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5610
5611        let context_store =
5612            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5613        let history_store =
5614            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5615
5616        let thread_view = cx.update(|window, cx| {
5617            cx.new(|cx| {
5618                AcpThreadView::new(
5619                    Rc::new(agent),
5620                    None,
5621                    None,
5622                    workspace.downgrade(),
5623                    project,
5624                    history_store,
5625                    None,
5626                    window,
5627                    cx,
5628                )
5629            })
5630        });
5631        cx.run_until_parked();
5632        (thread_view, cx)
5633    }
5634
5635    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5636        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5637
5638        workspace
5639            .update_in(cx, |workspace, window, cx| {
5640                workspace.add_item_to_active_pane(
5641                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5642                    None,
5643                    true,
5644                    window,
5645                    cx,
5646                );
5647            })
5648            .unwrap();
5649    }
5650
5651    struct ThreadViewItem(Entity<AcpThreadView>);
5652
5653    impl Item for ThreadViewItem {
5654        type Event = ();
5655
5656        fn include_in_nav_history() -> bool {
5657            false
5658        }
5659
5660        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5661            "Test".into()
5662        }
5663    }
5664
5665    impl EventEmitter<()> for ThreadViewItem {}
5666
5667    impl Focusable for ThreadViewItem {
5668        fn focus_handle(&self, cx: &App) -> FocusHandle {
5669            self.0.read(cx).focus_handle(cx)
5670        }
5671    }
5672
5673    impl Render for ThreadViewItem {
5674        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5675            self.0.clone().into_any_element()
5676        }
5677    }
5678
5679    struct StubAgentServer<C> {
5680        connection: C,
5681    }
5682
5683    impl<C> StubAgentServer<C> {
5684        fn new(connection: C) -> Self {
5685            Self { connection }
5686        }
5687    }
5688
5689    impl StubAgentServer<StubAgentConnection> {
5690        fn default_response() -> Self {
5691            let conn = StubAgentConnection::new();
5692            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5693                content: "Default response".into(),
5694            }]);
5695            Self::new(conn)
5696        }
5697    }
5698
5699    impl<C> AgentServer for StubAgentServer<C>
5700    where
5701        C: 'static + AgentConnection + Send + Clone,
5702    {
5703        fn telemetry_id(&self) -> &'static str {
5704            "test"
5705        }
5706
5707        fn logo(&self) -> ui::IconName {
5708            ui::IconName::Ai
5709        }
5710
5711        fn name(&self) -> SharedString {
5712            "Test".into()
5713        }
5714
5715        fn connect(
5716            &self,
5717            _root_dir: &Path,
5718            _delegate: AgentServerDelegate,
5719            _cx: &mut App,
5720        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
5721            Task::ready(Ok(Rc::new(self.connection.clone())))
5722        }
5723
5724        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5725            self
5726        }
5727    }
5728
5729    #[derive(Clone)]
5730    struct SaboteurAgentConnection;
5731
5732    impl AgentConnection for SaboteurAgentConnection {
5733        fn new_thread(
5734            self: Rc<Self>,
5735            project: Entity<Project>,
5736            _cwd: &Path,
5737            cx: &mut gpui::App,
5738        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5739            Task::ready(Ok(cx.new(|cx| {
5740                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5741                AcpThread::new(
5742                    "SaboteurAgentConnection",
5743                    self,
5744                    project,
5745                    action_log,
5746                    SessionId("test".into()),
5747                    watch::Receiver::constant(acp::PromptCapabilities {
5748                        image: true,
5749                        audio: true,
5750                        embedded_context: true,
5751                    }),
5752                    cx,
5753                )
5754            })))
5755        }
5756
5757        fn auth_methods(&self) -> &[acp::AuthMethod] {
5758            &[]
5759        }
5760
5761        fn authenticate(
5762            &self,
5763            _method_id: acp::AuthMethodId,
5764            _cx: &mut App,
5765        ) -> Task<gpui::Result<()>> {
5766            unimplemented!()
5767        }
5768
5769        fn prompt(
5770            &self,
5771            _id: Option<acp_thread::UserMessageId>,
5772            _params: acp::PromptRequest,
5773            _cx: &mut App,
5774        ) -> Task<gpui::Result<acp::PromptResponse>> {
5775            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5776        }
5777
5778        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5779            unimplemented!()
5780        }
5781
5782        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5783            self
5784        }
5785    }
5786
5787    /// Simulates a model which always returns a refusal response
5788    #[derive(Clone)]
5789    struct RefusalAgentConnection;
5790
5791    impl AgentConnection for RefusalAgentConnection {
5792        fn new_thread(
5793            self: Rc<Self>,
5794            project: Entity<Project>,
5795            _cwd: &Path,
5796            cx: &mut gpui::App,
5797        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5798            Task::ready(Ok(cx.new(|cx| {
5799                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5800                AcpThread::new(
5801                    "RefusalAgentConnection",
5802                    self,
5803                    project,
5804                    action_log,
5805                    SessionId("test".into()),
5806                    watch::Receiver::constant(acp::PromptCapabilities {
5807                        image: true,
5808                        audio: true,
5809                        embedded_context: true,
5810                    }),
5811                    cx,
5812                )
5813            })))
5814        }
5815
5816        fn auth_methods(&self) -> &[acp::AuthMethod] {
5817            &[]
5818        }
5819
5820        fn authenticate(
5821            &self,
5822            _method_id: acp::AuthMethodId,
5823            _cx: &mut App,
5824        ) -> Task<gpui::Result<()>> {
5825            unimplemented!()
5826        }
5827
5828        fn prompt(
5829            &self,
5830            _id: Option<acp_thread::UserMessageId>,
5831            _params: acp::PromptRequest,
5832            _cx: &mut App,
5833        ) -> Task<gpui::Result<acp::PromptResponse>> {
5834            Task::ready(Ok(acp::PromptResponse {
5835                stop_reason: acp::StopReason::Refusal,
5836            }))
5837        }
5838
5839        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5840            unimplemented!()
5841        }
5842
5843        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5844            self
5845        }
5846    }
5847
5848    pub(crate) fn init_test(cx: &mut TestAppContext) {
5849        cx.update(|cx| {
5850            let settings_store = SettingsStore::test(cx);
5851            cx.set_global(settings_store);
5852            language::init(cx);
5853            Project::init_settings(cx);
5854            AgentSettings::register(cx);
5855            workspace::init_settings(cx);
5856            ThemeSettings::register(cx);
5857            release_channel::init(SemanticVersion::default(), cx);
5858            EditorSettings::register(cx);
5859            prompt_store::init(cx)
5860        });
5861    }
5862
5863    #[gpui::test]
5864    async fn test_rewind_views(cx: &mut TestAppContext) {
5865        init_test(cx);
5866
5867        let fs = FakeFs::new(cx.executor());
5868        fs.insert_tree(
5869            "/project",
5870            json!({
5871                "test1.txt": "old content 1",
5872                "test2.txt": "old content 2"
5873            }),
5874        )
5875        .await;
5876        let project = Project::test(fs, [Path::new("/project")], cx).await;
5877        let (workspace, cx) =
5878            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5879
5880        let context_store =
5881            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5882        let history_store =
5883            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5884
5885        let connection = Rc::new(StubAgentConnection::new());
5886        let thread_view = cx.update(|window, cx| {
5887            cx.new(|cx| {
5888                AcpThreadView::new(
5889                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5890                    None,
5891                    None,
5892                    workspace.downgrade(),
5893                    project.clone(),
5894                    history_store.clone(),
5895                    None,
5896                    window,
5897                    cx,
5898                )
5899            })
5900        });
5901
5902        cx.run_until_parked();
5903
5904        let thread = thread_view
5905            .read_with(cx, |view, _| view.thread().cloned())
5906            .unwrap();
5907
5908        // First user message
5909        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5910            id: acp::ToolCallId("tool1".into()),
5911            title: "Edit file 1".into(),
5912            kind: acp::ToolKind::Edit,
5913            status: acp::ToolCallStatus::Completed,
5914            content: vec![acp::ToolCallContent::Diff {
5915                diff: acp::Diff {
5916                    path: "/project/test1.txt".into(),
5917                    old_text: Some("old content 1".into()),
5918                    new_text: "new content 1".into(),
5919                },
5920            }],
5921            locations: vec![],
5922            raw_input: None,
5923            raw_output: None,
5924        })]);
5925
5926        thread
5927            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
5928            .await
5929            .unwrap();
5930        cx.run_until_parked();
5931
5932        thread.read_with(cx, |thread, _| {
5933            assert_eq!(thread.entries().len(), 2);
5934        });
5935
5936        thread_view.read_with(cx, |view, cx| {
5937            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5938                assert!(
5939                    entry_view_state
5940                        .entry(0)
5941                        .unwrap()
5942                        .message_editor()
5943                        .is_some()
5944                );
5945                assert!(entry_view_state.entry(1).unwrap().has_content());
5946            });
5947        });
5948
5949        // Second user message
5950        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5951            id: acp::ToolCallId("tool2".into()),
5952            title: "Edit file 2".into(),
5953            kind: acp::ToolKind::Edit,
5954            status: acp::ToolCallStatus::Completed,
5955            content: vec![acp::ToolCallContent::Diff {
5956                diff: acp::Diff {
5957                    path: "/project/test2.txt".into(),
5958                    old_text: Some("old content 2".into()),
5959                    new_text: "new content 2".into(),
5960                },
5961            }],
5962            locations: vec![],
5963            raw_input: None,
5964            raw_output: None,
5965        })]);
5966
5967        thread
5968            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5969            .await
5970            .unwrap();
5971        cx.run_until_parked();
5972
5973        let second_user_message_id = thread.read_with(cx, |thread, _| {
5974            assert_eq!(thread.entries().len(), 4);
5975            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5976                panic!();
5977            };
5978            user_message.id.clone().unwrap()
5979        });
5980
5981        thread_view.read_with(cx, |view, cx| {
5982            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5983                assert!(
5984                    entry_view_state
5985                        .entry(0)
5986                        .unwrap()
5987                        .message_editor()
5988                        .is_some()
5989                );
5990                assert!(entry_view_state.entry(1).unwrap().has_content());
5991                assert!(
5992                    entry_view_state
5993                        .entry(2)
5994                        .unwrap()
5995                        .message_editor()
5996                        .is_some()
5997                );
5998                assert!(entry_view_state.entry(3).unwrap().has_content());
5999            });
6000        });
6001
6002        // Rewind to first message
6003        thread
6004            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6005            .await
6006            .unwrap();
6007
6008        cx.run_until_parked();
6009
6010        thread.read_with(cx, |thread, _| {
6011            assert_eq!(thread.entries().len(), 2);
6012        });
6013
6014        thread_view.read_with(cx, |view, cx| {
6015            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6016                assert!(
6017                    entry_view_state
6018                        .entry(0)
6019                        .unwrap()
6020                        .message_editor()
6021                        .is_some()
6022                );
6023                assert!(entry_view_state.entry(1).unwrap().has_content());
6024
6025                // Old views should be dropped
6026                assert!(entry_view_state.entry(2).is_none());
6027                assert!(entry_view_state.entry(3).is_none());
6028            });
6029        });
6030    }
6031
6032    #[gpui::test]
6033    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6034        init_test(cx);
6035
6036        let connection = StubAgentConnection::new();
6037
6038        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6039            content: acp::ContentBlock::Text(acp::TextContent {
6040                text: "Response".into(),
6041                annotations: None,
6042            }),
6043        }]);
6044
6045        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6046        add_to_workspace(thread_view.clone(), cx);
6047
6048        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6049        message_editor.update_in(cx, |editor, window, cx| {
6050            editor.set_text("Original message to edit", window, cx);
6051        });
6052        thread_view.update_in(cx, |thread_view, window, cx| {
6053            thread_view.send(window, cx);
6054        });
6055
6056        cx.run_until_parked();
6057
6058        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6059            assert_eq!(view.editing_message, None);
6060
6061            view.entry_view_state
6062                .read(cx)
6063                .entry(0)
6064                .unwrap()
6065                .message_editor()
6066                .unwrap()
6067                .clone()
6068        });
6069
6070        // Focus
6071        cx.focus(&user_message_editor);
6072        thread_view.read_with(cx, |view, _cx| {
6073            assert_eq!(view.editing_message, Some(0));
6074        });
6075
6076        // Edit
6077        user_message_editor.update_in(cx, |editor, window, cx| {
6078            editor.set_text("Edited message content", window, cx);
6079        });
6080
6081        // Cancel
6082        user_message_editor.update_in(cx, |_editor, window, cx| {
6083            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6084        });
6085
6086        thread_view.read_with(cx, |view, _cx| {
6087            assert_eq!(view.editing_message, None);
6088        });
6089
6090        user_message_editor.read_with(cx, |editor, cx| {
6091            assert_eq!(editor.text(cx), "Original message to edit");
6092        });
6093    }
6094
6095    #[gpui::test]
6096    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6097        init_test(cx);
6098
6099        let connection = StubAgentConnection::new();
6100
6101        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6102        add_to_workspace(thread_view.clone(), cx);
6103
6104        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6105        let mut events = cx.events(&message_editor);
6106        message_editor.update_in(cx, |editor, window, cx| {
6107            editor.set_text("", window, cx);
6108        });
6109
6110        message_editor.update_in(cx, |_editor, window, cx| {
6111            window.dispatch_action(Box::new(Chat), cx);
6112        });
6113        cx.run_until_parked();
6114        // We shouldn't have received any messages
6115        assert!(matches!(
6116            events.try_next(),
6117            Err(futures::channel::mpsc::TryRecvError { .. })
6118        ));
6119    }
6120
6121    #[gpui::test]
6122    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6123        init_test(cx);
6124
6125        let connection = StubAgentConnection::new();
6126
6127        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6128            content: acp::ContentBlock::Text(acp::TextContent {
6129                text: "Response".into(),
6130                annotations: None,
6131            }),
6132        }]);
6133
6134        let (thread_view, cx) =
6135            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6136        add_to_workspace(thread_view.clone(), cx);
6137
6138        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6139        message_editor.update_in(cx, |editor, window, cx| {
6140            editor.set_text("Original message to edit", window, cx);
6141        });
6142        thread_view.update_in(cx, |thread_view, window, cx| {
6143            thread_view.send(window, cx);
6144        });
6145
6146        cx.run_until_parked();
6147
6148        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6149            assert_eq!(view.editing_message, None);
6150            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6151
6152            view.entry_view_state
6153                .read(cx)
6154                .entry(0)
6155                .unwrap()
6156                .message_editor()
6157                .unwrap()
6158                .clone()
6159        });
6160
6161        // Focus
6162        cx.focus(&user_message_editor);
6163
6164        // Edit
6165        user_message_editor.update_in(cx, |editor, window, cx| {
6166            editor.set_text("Edited message content", window, cx);
6167        });
6168
6169        // Send
6170        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6171            content: acp::ContentBlock::Text(acp::TextContent {
6172                text: "New Response".into(),
6173                annotations: None,
6174            }),
6175        }]);
6176
6177        user_message_editor.update_in(cx, |_editor, window, cx| {
6178            window.dispatch_action(Box::new(Chat), cx);
6179        });
6180
6181        cx.run_until_parked();
6182
6183        thread_view.read_with(cx, |view, cx| {
6184            assert_eq!(view.editing_message, None);
6185
6186            let entries = view.thread().unwrap().read(cx).entries();
6187            assert_eq!(entries.len(), 2);
6188            assert_eq!(
6189                entries[0].to_markdown(cx),
6190                "## User\n\nEdited message content\n\n"
6191            );
6192            assert_eq!(
6193                entries[1].to_markdown(cx),
6194                "## Assistant\n\nNew Response\n\n"
6195            );
6196
6197            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6198                assert!(!state.entry(1).unwrap().has_content());
6199                state.entry(0).unwrap().message_editor().unwrap().clone()
6200            });
6201
6202            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6203        })
6204    }
6205
6206    #[gpui::test]
6207    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6208        init_test(cx);
6209
6210        let connection = StubAgentConnection::new();
6211
6212        let (thread_view, cx) =
6213            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6214        add_to_workspace(thread_view.clone(), cx);
6215
6216        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6217        message_editor.update_in(cx, |editor, window, cx| {
6218            editor.set_text("Original message to edit", window, cx);
6219        });
6220        thread_view.update_in(cx, |thread_view, window, cx| {
6221            thread_view.send(window, cx);
6222        });
6223
6224        cx.run_until_parked();
6225
6226        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6227            let thread = view.thread().unwrap().read(cx);
6228            assert_eq!(thread.entries().len(), 1);
6229
6230            let editor = view
6231                .entry_view_state
6232                .read(cx)
6233                .entry(0)
6234                .unwrap()
6235                .message_editor()
6236                .unwrap()
6237                .clone();
6238
6239            (editor, thread.session_id().clone())
6240        });
6241
6242        // Focus
6243        cx.focus(&user_message_editor);
6244
6245        thread_view.read_with(cx, |view, _cx| {
6246            assert_eq!(view.editing_message, Some(0));
6247        });
6248
6249        // Edit
6250        user_message_editor.update_in(cx, |editor, window, cx| {
6251            editor.set_text("Edited message content", window, cx);
6252        });
6253
6254        thread_view.read_with(cx, |view, _cx| {
6255            assert_eq!(view.editing_message, Some(0));
6256        });
6257
6258        // Finish streaming response
6259        cx.update(|_, cx| {
6260            connection.send_update(
6261                session_id.clone(),
6262                acp::SessionUpdate::AgentMessageChunk {
6263                    content: acp::ContentBlock::Text(acp::TextContent {
6264                        text: "Response".into(),
6265                        annotations: None,
6266                    }),
6267                },
6268                cx,
6269            );
6270            connection.end_turn(session_id, acp::StopReason::EndTurn);
6271        });
6272
6273        thread_view.read_with(cx, |view, _cx| {
6274            assert_eq!(view.editing_message, Some(0));
6275        });
6276
6277        cx.run_until_parked();
6278
6279        // Should still be editing
6280        cx.update(|window, cx| {
6281            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6282            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6283            assert_eq!(
6284                user_message_editor.read(cx).text(cx),
6285                "Edited message content"
6286            );
6287        });
6288    }
6289
6290    #[gpui::test]
6291    async fn test_interrupt(cx: &mut TestAppContext) {
6292        init_test(cx);
6293
6294        let connection = StubAgentConnection::new();
6295
6296        let (thread_view, cx) =
6297            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6298        add_to_workspace(thread_view.clone(), cx);
6299
6300        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6301        message_editor.update_in(cx, |editor, window, cx| {
6302            editor.set_text("Message 1", window, cx);
6303        });
6304        thread_view.update_in(cx, |thread_view, window, cx| {
6305            thread_view.send(window, cx);
6306        });
6307
6308        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6309            let thread = view.thread().unwrap();
6310
6311            (thread.clone(), thread.read(cx).session_id().clone())
6312        });
6313
6314        cx.run_until_parked();
6315
6316        cx.update(|_, cx| {
6317            connection.send_update(
6318                session_id.clone(),
6319                acp::SessionUpdate::AgentMessageChunk {
6320                    content: "Message 1 resp".into(),
6321                },
6322                cx,
6323            );
6324        });
6325
6326        cx.run_until_parked();
6327
6328        thread.read_with(cx, |thread, cx| {
6329            assert_eq!(
6330                thread.to_markdown(cx),
6331                indoc::indoc! {"
6332                    ## User
6333
6334                    Message 1
6335
6336                    ## Assistant
6337
6338                    Message 1 resp
6339
6340                "}
6341            )
6342        });
6343
6344        message_editor.update_in(cx, |editor, window, cx| {
6345            editor.set_text("Message 2", window, cx);
6346        });
6347        thread_view.update_in(cx, |thread_view, window, cx| {
6348            thread_view.send(window, cx);
6349        });
6350
6351        cx.update(|_, cx| {
6352            // Simulate a response sent after beginning to cancel
6353            connection.send_update(
6354                session_id.clone(),
6355                acp::SessionUpdate::AgentMessageChunk {
6356                    content: "onse".into(),
6357                },
6358                cx,
6359            );
6360        });
6361
6362        cx.run_until_parked();
6363
6364        // Last Message 1 response should appear before Message 2
6365        thread.read_with(cx, |thread, cx| {
6366            assert_eq!(
6367                thread.to_markdown(cx),
6368                indoc::indoc! {"
6369                    ## User
6370
6371                    Message 1
6372
6373                    ## Assistant
6374
6375                    Message 1 response
6376
6377                    ## User
6378
6379                    Message 2
6380
6381                "}
6382            )
6383        });
6384
6385        cx.update(|_, cx| {
6386            connection.send_update(
6387                session_id.clone(),
6388                acp::SessionUpdate::AgentMessageChunk {
6389                    content: "Message 2 response".into(),
6390                },
6391                cx,
6392            );
6393            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6394        });
6395
6396        cx.run_until_parked();
6397
6398        thread.read_with(cx, |thread, cx| {
6399            assert_eq!(
6400                thread.to_markdown(cx),
6401                indoc::indoc! {"
6402                    ## User
6403
6404                    Message 1
6405
6406                    ## Assistant
6407
6408                    Message 1 response
6409
6410                    ## User
6411
6412                    Message 2
6413
6414                    ## Assistant
6415
6416                    Message 2 response
6417
6418                "}
6419            )
6420        });
6421    }
6422}