thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent_client_protocol::{self as acp, PromptCapabilities};
   9use agent_servers::{AgentServer, AgentServerDelegate, ClaudeCode};
  10use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
  11use agent2::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
  12use anyhow::{Context as _, Result, anyhow, bail};
  13use audio::{Audio, Sound};
  14use buffer_diff::BufferDiff;
  15use client::zed_urls;
  16use collections::{HashMap, HashSet};
  17use editor::scroll::Autoscroll;
  18use editor::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  19use file_icons::FileIcons;
  20use fs::Fs;
  21use futures::FutureExt as _;
  22use gpui::{
  23    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  24    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  25    ListOffset, ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement,
  26    Subscription, Task, TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window,
  27    WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, point, prelude::*,
  28    pulsating_between,
  29};
  30use language::Buffer;
  31
  32use language_model::LanguageModelRegistry;
  33use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  34use project::{Project, ProjectEntryId};
  35use prompt_store::{PromptId, PromptStore};
  36use rope::Point;
  37use settings::{Settings as _, SettingsStore};
  38use std::cell::{Cell, RefCell};
  39use std::path::Path;
  40use std::sync::Arc;
  41use std::time::Instant;
  42use std::{collections::BTreeMap, rc::Rc, time::Duration};
  43use task::SpawnInTerminal;
  44use terminal_view::terminal_panel::TerminalPanel;
  45use text::Anchor;
  46use theme::{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            let registry = LanguageModelRegistry::global(cx);
 677
 678            let sub = window.subscribe(&registry, cx, {
 679                let provider_id = provider_id.clone();
 680                let this = this.clone();
 681                move |_, ev, window, cx| {
 682                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 683                        && &provider_id == updated_provider_id
 684                        && LanguageModelRegistry::global(cx)
 685                            .read(cx)
 686                            .provider(&provider_id)
 687                            .map_or(false, |provider| provider.is_authenticated(cx))
 688                    {
 689                        this.update(cx, |this, cx| {
 690                            this.reset(window, cx);
 691                        })
 692                        .ok();
 693                    }
 694                }
 695            });
 696
 697            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 698                provider.configuration_view(
 699                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 700                    window,
 701                    cx,
 702                )
 703            });
 704
 705            (view, Some(sub))
 706        } else {
 707            (None, None)
 708        };
 709
 710        this.update(cx, |this, cx| {
 711            this.thread_state = ThreadState::Unauthenticated {
 712                pending_auth_method: None,
 713                connection,
 714                configuration_view,
 715                description: err
 716                    .description
 717                    .clone()
 718                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 719                _subscription: subscription,
 720            };
 721            if this.message_editor.focus_handle(cx).is_focused(window) {
 722                this.focus_handle.focus(window)
 723            }
 724            cx.notify();
 725        })
 726        .ok();
 727    }
 728
 729    fn handle_load_error(
 730        &mut self,
 731        err: anyhow::Error,
 732        window: &mut Window,
 733        cx: &mut Context<Self>,
 734    ) {
 735        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 736            self.thread_state = ThreadState::LoadError(load_err.clone());
 737        } else {
 738            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 739        }
 740        if self.message_editor.focus_handle(cx).is_focused(window) {
 741            self.focus_handle.focus(window)
 742        }
 743        cx.notify();
 744    }
 745
 746    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 747        &self.workspace
 748    }
 749
 750    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 751        match &self.thread_state {
 752            ThreadState::Ready { thread, .. } => Some(thread),
 753            ThreadState::Unauthenticated { .. }
 754            | ThreadState::Loading { .. }
 755            | ThreadState::LoadError { .. } => None,
 756        }
 757    }
 758
 759    pub fn title(&self, cx: &App) -> SharedString {
 760        match &self.thread_state {
 761            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 762            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 763            ThreadState::LoadError(error) => match error {
 764                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 765                LoadError::FailedToInstall(_) => {
 766                    format!("Failed to Install {}", self.agent.name()).into()
 767                }
 768                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 769                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 770            },
 771        }
 772    }
 773
 774    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 775        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 776            title_editor.clone()
 777        } else {
 778            None
 779        }
 780    }
 781
 782    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 783        self.thread_error.take();
 784        self.thread_retry_status.take();
 785
 786        if let Some(thread) = self.thread() {
 787            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 788        }
 789    }
 790
 791    pub fn expand_message_editor(
 792        &mut self,
 793        _: &ExpandMessageEditor,
 794        _window: &mut Window,
 795        cx: &mut Context<Self>,
 796    ) {
 797        self.set_editor_is_expanded(!self.editor_expanded, cx);
 798        cx.notify();
 799    }
 800
 801    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 802        self.editor_expanded = is_expanded;
 803        self.message_editor.update(cx, |editor, cx| {
 804            if is_expanded {
 805                editor.set_mode(
 806                    EditorMode::Full {
 807                        scale_ui_elements_with_buffer_font_size: false,
 808                        show_active_line_background: false,
 809                        sized_by_content: false,
 810                    },
 811                    cx,
 812                )
 813            } else {
 814                editor.set_mode(
 815                    EditorMode::AutoHeight {
 816                        min_lines: MIN_EDITOR_LINES,
 817                        max_lines: Some(MAX_EDITOR_LINES),
 818                    },
 819                    cx,
 820                )
 821            }
 822        });
 823        cx.notify();
 824    }
 825
 826    pub fn handle_title_editor_event(
 827        &mut self,
 828        title_editor: &Entity<Editor>,
 829        event: &EditorEvent,
 830        window: &mut Window,
 831        cx: &mut Context<Self>,
 832    ) {
 833        let Some(thread) = self.thread() else { return };
 834
 835        match event {
 836            EditorEvent::BufferEdited => {
 837                let new_title = title_editor.read(cx).text(cx);
 838                thread.update(cx, |thread, cx| {
 839                    thread
 840                        .set_title(new_title.into(), cx)
 841                        .detach_and_log_err(cx);
 842                })
 843            }
 844            EditorEvent::Blurred => {
 845                if title_editor.read(cx).text(cx).is_empty() {
 846                    title_editor.update(cx, |editor, cx| {
 847                        editor.set_text("New Thread", window, cx);
 848                    });
 849                }
 850            }
 851            _ => {}
 852        }
 853    }
 854
 855    pub fn handle_message_editor_event(
 856        &mut self,
 857        _: &Entity<MessageEditor>,
 858        event: &MessageEditorEvent,
 859        window: &mut Window,
 860        cx: &mut Context<Self>,
 861    ) {
 862        match event {
 863            MessageEditorEvent::Send => self.send(window, cx),
 864            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 865            MessageEditorEvent::Focus => {
 866                self.cancel_editing(&Default::default(), window, cx);
 867            }
 868            MessageEditorEvent::LostFocus => {}
 869        }
 870    }
 871
 872    pub fn handle_entry_view_event(
 873        &mut self,
 874        _: &Entity<EntryViewState>,
 875        event: &EntryViewEvent,
 876        window: &mut Window,
 877        cx: &mut Context<Self>,
 878    ) {
 879        match &event.view_event {
 880            ViewEvent::NewDiff(tool_call_id) => {
 881                if AgentSettings::get_global(cx).expand_edit_card {
 882                    self.expanded_tool_calls.insert(tool_call_id.clone());
 883                }
 884            }
 885            ViewEvent::NewTerminal(tool_call_id) => {
 886                if AgentSettings::get_global(cx).expand_terminal_card {
 887                    self.expanded_tool_calls.insert(tool_call_id.clone());
 888                }
 889            }
 890            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 891                self.expanded_tool_calls.remove(tool_call_id);
 892            }
 893            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 894                if let Some(thread) = self.thread()
 895                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 896                        thread.read(cx).entries().get(event.entry_index)
 897                    && user_message.id.is_some()
 898                {
 899                    self.editing_message = Some(event.entry_index);
 900                    cx.notify();
 901                }
 902            }
 903            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 904                if let Some(thread) = self.thread()
 905                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 906                        thread.read(cx).entries().get(event.entry_index)
 907                    && user_message.id.is_some()
 908                {
 909                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 910                        self.editing_message = None;
 911                        cx.notify();
 912                    }
 913                }
 914            }
 915            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 916                self.regenerate(event.entry_index, editor, window, cx);
 917            }
 918            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 919                self.cancel_editing(&Default::default(), window, cx);
 920            }
 921        }
 922    }
 923
 924    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 925        self.thread_error.take();
 926        let Some(thread) = self.thread() else {
 927            return;
 928        };
 929        if !thread.read(cx).can_resume(cx) {
 930            return;
 931        }
 932
 933        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 934        cx.spawn(async move |this, cx| {
 935            let result = task.await;
 936
 937            this.update(cx, |this, cx| {
 938                if let Err(err) = result {
 939                    this.handle_thread_error(err, cx);
 940                }
 941            })
 942        })
 943        .detach();
 944    }
 945
 946    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 947        let Some(thread) = self.thread() else { return };
 948
 949        if self.is_loading_contents {
 950            return;
 951        }
 952
 953        self.history_store.update(cx, |history, cx| {
 954            history.push_recently_opened_entry(
 955                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 956                cx,
 957            );
 958        });
 959
 960        if thread.read(cx).status() != ThreadStatus::Idle {
 961            self.stop_current_and_send_new_message(window, cx);
 962            return;
 963        }
 964
 965        let text = self.message_editor.read(cx).text(cx);
 966        let text = text.trim();
 967        if text == "/login" || text == "/logout" {
 968            let ThreadState::Ready { thread, .. } = &self.thread_state else {
 969                return;
 970            };
 971
 972            let connection = thread.read(cx).connection().clone();
 973            if !connection
 974                .auth_methods()
 975                .iter()
 976                .any(|method| method.id.0.as_ref() == "claude-login")
 977            {
 978                return;
 979            };
 980            let this = cx.weak_entity();
 981            let agent = self.agent.clone();
 982            window.defer(cx, |window, cx| {
 983                Self::handle_auth_required(
 984                    this,
 985                    AuthRequired {
 986                        description: None,
 987                        provider_id: None,
 988                    },
 989                    agent,
 990                    connection,
 991                    window,
 992                    cx,
 993                );
 994            });
 995            cx.notify();
 996            return;
 997        }
 998
 999        let contents = self
1000            .message_editor
1001            .update(cx, |message_editor, cx| message_editor.contents(cx));
1002        self.send_impl(contents, window, cx)
1003    }
1004
1005    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1006        let Some(thread) = self.thread().cloned() else {
1007            return;
1008        };
1009
1010        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1011
1012        let contents = self
1013            .message_editor
1014            .update(cx, |message_editor, cx| message_editor.contents(cx));
1015
1016        cx.spawn_in(window, async move |this, cx| {
1017            cancelled.await;
1018
1019            this.update_in(cx, |this, window, cx| {
1020                this.send_impl(contents, window, cx);
1021            })
1022            .ok();
1023        })
1024        .detach();
1025    }
1026
1027    fn send_impl(
1028        &mut self,
1029        contents: Task<Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
1030        window: &mut Window,
1031        cx: &mut Context<Self>,
1032    ) {
1033        let agent_telemetry_id = self.agent.telemetry_id();
1034
1035        self.thread_error.take();
1036        self.editing_message.take();
1037        self.thread_feedback.clear();
1038
1039        let Some(thread) = self.thread() else {
1040            return;
1041        };
1042        let thread = thread.downgrade();
1043        if self.should_be_following {
1044            self.workspace
1045                .update(cx, |workspace, cx| {
1046                    workspace.follow(CollaboratorId::Agent, window, cx);
1047                })
1048                .ok();
1049        }
1050
1051        self.is_loading_contents = true;
1052        let guard = cx.new(|_| ());
1053        cx.observe_release(&guard, |this, _guard, cx| {
1054            this.is_loading_contents = false;
1055            cx.notify();
1056        })
1057        .detach();
1058
1059        let task = cx.spawn_in(window, async move |this, cx| {
1060            let (contents, tracked_buffers) = contents.await?;
1061
1062            if contents.is_empty() {
1063                return Ok(());
1064            }
1065
1066            this.update_in(cx, |this, window, cx| {
1067                this.set_editor_is_expanded(false, cx);
1068                this.scroll_to_bottom(cx);
1069                this.message_editor.update(cx, |message_editor, cx| {
1070                    message_editor.clear(window, cx);
1071                });
1072            })?;
1073            let send = thread.update(cx, |thread, cx| {
1074                thread.action_log().update(cx, |action_log, cx| {
1075                    for buffer in tracked_buffers {
1076                        action_log.buffer_read(buffer, cx)
1077                    }
1078                });
1079                drop(guard);
1080
1081                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1082
1083                thread.send(contents, cx)
1084            })?;
1085            send.await
1086        });
1087
1088        cx.spawn(async move |this, cx| {
1089            if let Err(err) = task.await {
1090                this.update(cx, |this, cx| {
1091                    this.handle_thread_error(err, cx);
1092                })
1093                .ok();
1094            } else {
1095                this.update(cx, |this, cx| {
1096                    this.should_be_following = this
1097                        .workspace
1098                        .update(cx, |workspace, _| {
1099                            workspace.is_being_followed(CollaboratorId::Agent)
1100                        })
1101                        .unwrap_or_default();
1102                })
1103                .ok();
1104            }
1105        })
1106        .detach();
1107    }
1108
1109    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1110        let Some(thread) = self.thread().cloned() else {
1111            return;
1112        };
1113
1114        if let Some(index) = self.editing_message.take()
1115            && let Some(editor) = self
1116                .entry_view_state
1117                .read(cx)
1118                .entry(index)
1119                .and_then(|e| e.message_editor())
1120                .cloned()
1121        {
1122            editor.update(cx, |editor, cx| {
1123                if let Some(user_message) = thread
1124                    .read(cx)
1125                    .entries()
1126                    .get(index)
1127                    .and_then(|e| e.user_message())
1128                {
1129                    editor.set_message(user_message.chunks.clone(), window, cx);
1130                }
1131            })
1132        };
1133        self.focus_handle(cx).focus(window);
1134        cx.notify();
1135    }
1136
1137    fn regenerate(
1138        &mut self,
1139        entry_ix: usize,
1140        message_editor: &Entity<MessageEditor>,
1141        window: &mut Window,
1142        cx: &mut Context<Self>,
1143    ) {
1144        let Some(thread) = self.thread().cloned() else {
1145            return;
1146        };
1147        if self.is_loading_contents {
1148            return;
1149        }
1150
1151        let Some(user_message_id) = thread.update(cx, |thread, _| {
1152            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1153        }) else {
1154            return;
1155        };
1156
1157        let contents = message_editor.update(cx, |message_editor, cx| message_editor.contents(cx));
1158
1159        let task = cx.spawn(async move |_, cx| {
1160            let contents = contents.await?;
1161            thread
1162                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1163                .await?;
1164            Ok(contents)
1165        });
1166        self.send_impl(task, window, cx);
1167    }
1168
1169    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
1170        if let Some(thread) = self.thread() {
1171            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
1172        }
1173    }
1174
1175    fn open_edited_buffer(
1176        &mut self,
1177        buffer: &Entity<Buffer>,
1178        window: &mut Window,
1179        cx: &mut Context<Self>,
1180    ) {
1181        let Some(thread) = self.thread() else {
1182            return;
1183        };
1184
1185        let Some(diff) =
1186            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1187        else {
1188            return;
1189        };
1190
1191        diff.update(cx, |diff, cx| {
1192            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1193        })
1194    }
1195
1196    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1197        let Some(thread) = self.as_native_thread(cx) else {
1198            return;
1199        };
1200        let project_context = thread.read(cx).project_context().read(cx);
1201
1202        let project_entry_ids = project_context
1203            .worktrees
1204            .iter()
1205            .flat_map(|worktree| worktree.rules_file.as_ref())
1206            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1207            .collect::<Vec<_>>();
1208
1209        self.workspace
1210            .update(cx, move |workspace, cx| {
1211                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1212                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1213                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1214                let project = workspace.project().read(cx);
1215                let project_paths = project_entry_ids
1216                    .into_iter()
1217                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1218                    .collect::<Vec<_>>();
1219                for project_path in project_paths {
1220                    workspace
1221                        .open_path(project_path, None, true, window, cx)
1222                        .detach_and_log_err(cx);
1223                }
1224            })
1225            .ok();
1226    }
1227
1228    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1229        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1230        cx.notify();
1231    }
1232
1233    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1234        self.thread_error = None;
1235        cx.notify();
1236    }
1237
1238    fn handle_thread_event(
1239        &mut self,
1240        thread: &Entity<AcpThread>,
1241        event: &AcpThreadEvent,
1242        window: &mut Window,
1243        cx: &mut Context<Self>,
1244    ) {
1245        match event {
1246            AcpThreadEvent::NewEntry => {
1247                let len = thread.read(cx).entries().len();
1248                let index = len - 1;
1249                self.entry_view_state.update(cx, |view_state, cx| {
1250                    view_state.sync_entry(index, thread, window, cx);
1251                    self.list_state.splice_focusable(
1252                        index..index,
1253                        [view_state
1254                            .entry(index)
1255                            .and_then(|entry| entry.focus_handle(cx))],
1256                    );
1257                });
1258            }
1259            AcpThreadEvent::EntryUpdated(index) => {
1260                self.entry_view_state.update(cx, |view_state, cx| {
1261                    view_state.sync_entry(*index, thread, window, cx)
1262                });
1263            }
1264            AcpThreadEvent::EntriesRemoved(range) => {
1265                self.entry_view_state
1266                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1267                self.list_state.splice(range.clone(), 0);
1268            }
1269            AcpThreadEvent::ToolAuthorizationRequired => {
1270                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1271            }
1272            AcpThreadEvent::Retry(retry) => {
1273                self.thread_retry_status = Some(retry.clone());
1274            }
1275            AcpThreadEvent::Stopped => {
1276                self.thread_retry_status.take();
1277                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1278                self.notify_with_sound(
1279                    if used_tools {
1280                        "Finished running tools"
1281                    } else {
1282                        "New message"
1283                    },
1284                    IconName::ZedAssistant,
1285                    window,
1286                    cx,
1287                );
1288            }
1289            AcpThreadEvent::Refusal => {
1290                self.thread_retry_status.take();
1291                self.thread_error = Some(ThreadError::Refusal);
1292                let model_or_agent_name = self.get_current_model_name(cx);
1293                let notification_message =
1294                    format!("{} refused to respond to this request", model_or_agent_name);
1295                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1296            }
1297            AcpThreadEvent::Error => {
1298                self.thread_retry_status.take();
1299                self.notify_with_sound(
1300                    "Agent stopped due to an error",
1301                    IconName::Warning,
1302                    window,
1303                    cx,
1304                );
1305            }
1306            AcpThreadEvent::LoadError(error) => {
1307                self.thread_retry_status.take();
1308                self.thread_state = ThreadState::LoadError(error.clone());
1309                if self.message_editor.focus_handle(cx).is_focused(window) {
1310                    self.focus_handle.focus(window)
1311                }
1312            }
1313            AcpThreadEvent::TitleUpdated => {
1314                let title = thread.read(cx).title();
1315                if let Some(title_editor) = self.title_editor() {
1316                    title_editor.update(cx, |editor, cx| {
1317                        if editor.text(cx) != title {
1318                            editor.set_text(title, window, cx);
1319                        }
1320                    });
1321                }
1322            }
1323            AcpThreadEvent::PromptCapabilitiesUpdated => {
1324                self.prompt_capabilities
1325                    .set(thread.read(cx).prompt_capabilities());
1326            }
1327            AcpThreadEvent::TokenUsageUpdated => {}
1328            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1329                let mut available_commands = available_commands.clone();
1330
1331                if thread
1332                    .read(cx)
1333                    .connection()
1334                    .auth_methods()
1335                    .iter()
1336                    .any(|method| method.id.0.as_ref() == "claude-login")
1337                {
1338                    available_commands.push(acp::AvailableCommand {
1339                        name: "login".to_owned(),
1340                        description: "Authenticate".to_owned(),
1341                        input: None,
1342                    });
1343                    available_commands.push(acp::AvailableCommand {
1344                        name: "logout".to_owned(),
1345                        description: "Authenticate".to_owned(),
1346                        input: None,
1347                    });
1348                }
1349
1350                self.available_commands.replace(available_commands);
1351            }
1352        }
1353        cx.notify();
1354    }
1355
1356    fn authenticate(
1357        &mut self,
1358        method: acp::AuthMethodId,
1359        window: &mut Window,
1360        cx: &mut Context<Self>,
1361    ) {
1362        let ThreadState::Unauthenticated {
1363            connection,
1364            pending_auth_method,
1365            configuration_view,
1366            ..
1367        } = &mut self.thread_state
1368        else {
1369            return;
1370        };
1371
1372        if method.0.as_ref() == "gemini-api-key" {
1373            let registry = LanguageModelRegistry::global(cx);
1374            let provider = registry
1375                .read(cx)
1376                .provider(&language_model::GOOGLE_PROVIDER_ID)
1377                .unwrap();
1378            if !provider.is_authenticated(cx) {
1379                let this = cx.weak_entity();
1380                let agent = self.agent.clone();
1381                let connection = connection.clone();
1382                window.defer(cx, |window, cx| {
1383                    Self::handle_auth_required(
1384                        this,
1385                        AuthRequired {
1386                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1387                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1388                        },
1389                        agent,
1390                        connection,
1391                        window,
1392                        cx,
1393                    );
1394                });
1395                return;
1396            }
1397        } else if method.0.as_ref() == "anthropic-api-key" {
1398            let registry = LanguageModelRegistry::global(cx);
1399            let provider = registry
1400                .read(cx)
1401                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1402                .unwrap();
1403            let this = cx.weak_entity();
1404            let agent = self.agent.clone();
1405            let connection = connection.clone();
1406            window.defer(cx, move |window, cx| {
1407                if !provider.is_authenticated(cx) {
1408                    Self::handle_auth_required(
1409                        this,
1410                        AuthRequired {
1411                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1412                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1413                        },
1414                        agent,
1415                        connection,
1416                        window,
1417                        cx,
1418                    );
1419                } else {
1420                    this.update(cx, |this, cx| {
1421                        this.thread_state = Self::initial_state(
1422                            agent,
1423                            None,
1424                            this.workspace.clone(),
1425                            this.project.clone(),
1426                            window,
1427                            cx,
1428                        )
1429                    })
1430                    .ok();
1431                }
1432            });
1433            return;
1434        } else if method.0.as_ref() == "vertex-ai"
1435            && std::env::var("GOOGLE_API_KEY").is_err()
1436            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1437                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1438        {
1439            let this = cx.weak_entity();
1440            let agent = self.agent.clone();
1441            let connection = connection.clone();
1442
1443            window.defer(cx, |window, cx| {
1444                    Self::handle_auth_required(
1445                        this,
1446                        AuthRequired {
1447                            description: Some(
1448                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1449                                    .to_owned(),
1450                            ),
1451                            provider_id: None,
1452                        },
1453                        agent,
1454                        connection,
1455                        window,
1456                        cx,
1457                    )
1458                });
1459            return;
1460        }
1461
1462        self.thread_error.take();
1463        configuration_view.take();
1464        pending_auth_method.replace(method.clone());
1465        let authenticate = if method.0.as_ref() == "claude-login" {
1466            if let Some(workspace) = self.workspace.upgrade() {
1467                Self::spawn_claude_login(&workspace, window, cx)
1468            } else {
1469                Task::ready(Ok(()))
1470            }
1471        } else {
1472            connection.authenticate(method, cx)
1473        };
1474        cx.notify();
1475        self.auth_task =
1476            Some(cx.spawn_in(window, {
1477                let agent = self.agent.clone();
1478                async move |this, cx| {
1479                    let result = authenticate.await;
1480
1481                    match &result {
1482                        Ok(_) => telemetry::event!(
1483                            "Authenticate Agent Succeeded",
1484                            agent = agent.telemetry_id()
1485                        ),
1486                        Err(_) => {
1487                            telemetry::event!(
1488                                "Authenticate Agent Failed",
1489                                agent = agent.telemetry_id(),
1490                            )
1491                        }
1492                    }
1493
1494                    this.update_in(cx, |this, window, cx| {
1495                        if let Err(err) = result {
1496                            if let ThreadState::Unauthenticated {
1497                                pending_auth_method,
1498                                ..
1499                            } = &mut this.thread_state
1500                            {
1501                                pending_auth_method.take();
1502                            }
1503                            this.handle_thread_error(err, cx);
1504                        } else {
1505                            this.reset(window, cx);
1506                        }
1507                        this.auth_task.take()
1508                    })
1509                    .ok();
1510                }
1511            }));
1512    }
1513
1514    fn spawn_claude_login(
1515        workspace: &Entity<Workspace>,
1516        window: &mut Window,
1517        cx: &mut App,
1518    ) -> Task<Result<()>> {
1519        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1520            return Task::ready(Ok(()));
1521        };
1522        let project_entity = workspace.read(cx).project();
1523        let project = project_entity.read(cx);
1524        let cwd = project.first_project_directory(cx);
1525        let shell = project.terminal_settings(&cwd, cx).shell.clone();
1526
1527        let delegate = AgentServerDelegate::new(project_entity.clone(), None, None);
1528        let command = ClaudeCode::login_command(delegate, cx);
1529
1530        window.spawn(cx, async move |cx| {
1531            let login_command = command.await?;
1532            let command = login_command
1533                .path
1534                .to_str()
1535                .with_context(|| format!("invalid login command: {:?}", login_command.path))?;
1536            let command = shlex::try_quote(command)?;
1537            let args = login_command
1538                .arguments
1539                .iter()
1540                .map(|arg| {
1541                    Ok(shlex::try_quote(arg)
1542                        .context("Failed to quote argument")?
1543                        .to_string())
1544                })
1545                .collect::<Result<Vec<_>>>()?;
1546
1547            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1548                terminal_panel.spawn_task(
1549                    &SpawnInTerminal {
1550                        id: task::TaskId("claude-login".into()),
1551                        full_label: "claude /login".to_owned(),
1552                        label: "claude /login".to_owned(),
1553                        command: Some(command.into()),
1554                        args,
1555                        command_label: "claude /login".to_owned(),
1556                        cwd,
1557                        use_new_terminal: true,
1558                        allow_concurrent_runs: true,
1559                        hide: task::HideStrategy::Always,
1560                        shell,
1561                        ..Default::default()
1562                    },
1563                    window,
1564                    cx,
1565                )
1566            })?;
1567
1568            let terminal = terminal.await?;
1569            let mut exit_status = terminal
1570                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1571                .fuse();
1572
1573            let logged_in = cx
1574                .spawn({
1575                    let terminal = terminal.clone();
1576                    async move |cx| {
1577                        loop {
1578                            cx.background_executor().timer(Duration::from_secs(1)).await;
1579                            let content =
1580                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1581                            if content.contains("Login successful") {
1582                                return anyhow::Ok(());
1583                            }
1584                        }
1585                    }
1586                })
1587                .fuse();
1588            futures::pin_mut!(logged_in);
1589            futures::select_biased! {
1590                result = logged_in => {
1591                    if let Err(e) = result {
1592                        log::error!("{e}");
1593                        return Err(anyhow!("exited before logging in"));
1594                    }
1595                }
1596                _ = exit_status => {
1597                    return Err(anyhow!("exited before logging in"));
1598                }
1599            }
1600            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1601            Ok(())
1602        })
1603    }
1604
1605    fn authorize_tool_call(
1606        &mut self,
1607        tool_call_id: acp::ToolCallId,
1608        option_id: acp::PermissionOptionId,
1609        option_kind: acp::PermissionOptionKind,
1610        window: &mut Window,
1611        cx: &mut Context<Self>,
1612    ) {
1613        let Some(thread) = self.thread() else {
1614            return;
1615        };
1616        thread.update(cx, |thread, cx| {
1617            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1618        });
1619        if self.should_be_following {
1620            self.workspace
1621                .update(cx, |workspace, cx| {
1622                    workspace.follow(CollaboratorId::Agent, window, cx);
1623                })
1624                .ok();
1625        }
1626        cx.notify();
1627    }
1628
1629    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1630        let Some(thread) = self.thread() else {
1631            return;
1632        };
1633        thread
1634            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1635            .detach_and_log_err(cx);
1636        cx.notify();
1637    }
1638
1639    fn render_entry(
1640        &self,
1641        entry_ix: usize,
1642        total_entries: usize,
1643        entry: &AgentThreadEntry,
1644        window: &mut Window,
1645        cx: &Context<Self>,
1646    ) -> AnyElement {
1647        let primary = match &entry {
1648            AgentThreadEntry::UserMessage(message) => {
1649                let Some(editor) = self
1650                    .entry_view_state
1651                    .read(cx)
1652                    .entry(entry_ix)
1653                    .and_then(|entry| entry.message_editor())
1654                    .cloned()
1655                else {
1656                    return Empty.into_any_element();
1657                };
1658
1659                let editing = self.editing_message == Some(entry_ix);
1660                let editor_focus = editor.focus_handle(cx).is_focused(window);
1661                let focus_border = cx.theme().colors().border_focused;
1662
1663                let rules_item = if entry_ix == 0 {
1664                    self.render_rules_item(cx)
1665                } else {
1666                    None
1667                };
1668
1669                let has_checkpoint_button = message
1670                    .checkpoint
1671                    .as_ref()
1672                    .is_some_and(|checkpoint| checkpoint.show);
1673
1674                let agent_name = self.agent.name();
1675
1676                v_flex()
1677                    .id(("user_message", entry_ix))
1678                    .map(|this| {
1679                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1680                            this.pt(rems_from_px(18.))
1681                        } else if rules_item.is_some() {
1682                            this.pt_3()
1683                        } else {
1684                            this.pt_2()
1685                        }
1686                    })
1687                    .pb_3()
1688                    .px_2()
1689                    .gap_1p5()
1690                    .w_full()
1691                    .children(rules_item)
1692                    .children(message.id.clone().and_then(|message_id| {
1693                        message.checkpoint.as_ref()?.show.then(|| {
1694                            h_flex()
1695                                .px_3()
1696                                .gap_2()
1697                                .child(Divider::horizontal())
1698                                .child(
1699                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1700                                        .icon(IconName::Undo)
1701                                        .icon_size(IconSize::XSmall)
1702                                        .icon_position(IconPosition::Start)
1703                                        .label_size(LabelSize::XSmall)
1704                                        .icon_color(Color::Muted)
1705                                        .color(Color::Muted)
1706                                        .on_click(cx.listener(move |this, _, _window, cx| {
1707                                            this.rewind(&message_id, cx);
1708                                        }))
1709                                )
1710                                .child(Divider::horizontal())
1711                        })
1712                    }))
1713                    .child(
1714                        div()
1715                            .relative()
1716                            .child(
1717                                div()
1718                                    .py_3()
1719                                    .px_2()
1720                                    .rounded_md()
1721                                    .shadow_md()
1722                                    .bg(cx.theme().colors().editor_background)
1723                                    .border_1()
1724                                    .when(editing && !editor_focus, |this| this.border_dashed())
1725                                    .border_color(cx.theme().colors().border)
1726                                    .map(|this|{
1727                                        if editing && editor_focus {
1728                                            this.border_color(focus_border)
1729                                        } else if message.id.is_some() {
1730                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1731                                        } else {
1732                                            this
1733                                        }
1734                                    })
1735                                    .text_xs()
1736                                    .child(editor.clone().into_any_element()),
1737                            )
1738                            .when(editor_focus, |this| {
1739                                let base_container = h_flex()
1740                                    .absolute()
1741                                    .top_neg_3p5()
1742                                    .right_3()
1743                                    .gap_1()
1744                                    .rounded_sm()
1745                                    .border_1()
1746                                    .border_color(cx.theme().colors().border)
1747                                    .bg(cx.theme().colors().editor_background)
1748                                    .overflow_hidden();
1749
1750                                if message.id.is_some() {
1751                                    this.child(
1752                                        base_container
1753                                            .child(
1754                                                IconButton::new("cancel", IconName::Close)
1755                                                    .disabled(self.is_loading_contents)
1756                                                    .icon_color(Color::Error)
1757                                                    .icon_size(IconSize::XSmall)
1758                                                    .on_click(cx.listener(Self::cancel_editing))
1759                                            )
1760                                            .child(
1761                                                if self.is_loading_contents {
1762                                                    div()
1763                                                        .id("loading-edited-message-content")
1764                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1765                                                        .child(loading_contents_spinner(IconSize::XSmall))
1766                                                        .into_any_element()
1767                                                } else {
1768                                                    IconButton::new("regenerate", IconName::Return)
1769                                                        .icon_color(Color::Muted)
1770                                                        .icon_size(IconSize::XSmall)
1771                                                        .tooltip(Tooltip::text(
1772                                                            "Editing will restart the thread from this point."
1773                                                        ))
1774                                                        .on_click(cx.listener({
1775                                                            let editor = editor.clone();
1776                                                            move |this, _, window, cx| {
1777                                                                this.regenerate(
1778                                                                    entry_ix, &editor, window, cx,
1779                                                                );
1780                                                            }
1781                                                        })).into_any_element()
1782                                                }
1783                                            )
1784                                    )
1785                                } else {
1786                                    this.child(
1787                                        base_container
1788                                            .border_dashed()
1789                                            .child(
1790                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1791                                                    .icon_size(IconSize::Small)
1792                                                    .icon_color(Color::Muted)
1793                                                    .style(ButtonStyle::Transparent)
1794                                                    .tooltip(move |_window, cx| {
1795                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1796                                                            .into()
1797                                                    })
1798                                            )
1799                                    )
1800                                }
1801                            }),
1802                    )
1803                    .into_any()
1804            }
1805            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1806                let is_last = entry_ix + 1 == total_entries;
1807
1808                let style = default_markdown_style(false, false, window, cx);
1809                let message_body = v_flex()
1810                    .w_full()
1811                    .gap_3()
1812                    .children(chunks.iter().enumerate().filter_map(
1813                        |(chunk_ix, chunk)| match chunk {
1814                            AssistantMessageChunk::Message { block } => {
1815                                block.markdown().map(|md| {
1816                                    self.render_markdown(md.clone(), style.clone())
1817                                        .into_any_element()
1818                                })
1819                            }
1820                            AssistantMessageChunk::Thought { block } => {
1821                                block.markdown().map(|md| {
1822                                    self.render_thinking_block(
1823                                        entry_ix,
1824                                        chunk_ix,
1825                                        md.clone(),
1826                                        window,
1827                                        cx,
1828                                    )
1829                                    .into_any_element()
1830                                })
1831                            }
1832                        },
1833                    ))
1834                    .into_any();
1835
1836                v_flex()
1837                    .px_5()
1838                    .py_1p5()
1839                    .when(is_last, |this| this.pb_4())
1840                    .w_full()
1841                    .text_ui(cx)
1842                    .child(message_body)
1843                    .into_any()
1844            }
1845            AgentThreadEntry::ToolCall(tool_call) => {
1846                let has_terminals = tool_call.terminals().next().is_some();
1847
1848                div().w_full().map(|this| {
1849                    if has_terminals {
1850                        this.children(tool_call.terminals().map(|terminal| {
1851                            self.render_terminal_tool_call(
1852                                entry_ix, terminal, tool_call, window, cx,
1853                            )
1854                        }))
1855                    } else {
1856                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1857                    }
1858                })
1859            }
1860            .into_any(),
1861        };
1862
1863        let Some(thread) = self.thread() else {
1864            return primary;
1865        };
1866
1867        let primary = if entry_ix == total_entries - 1 {
1868            v_flex()
1869                .w_full()
1870                .child(primary)
1871                .child(self.render_thread_controls(&thread, cx))
1872                .when_some(
1873                    self.thread_feedback.comments_editor.clone(),
1874                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1875                )
1876                .into_any_element()
1877        } else {
1878            primary
1879        };
1880
1881        if let Some(editing_index) = self.editing_message.as_ref()
1882            && *editing_index < entry_ix
1883        {
1884            let backdrop = div()
1885                .id(("backdrop", entry_ix))
1886                .size_full()
1887                .absolute()
1888                .inset_0()
1889                .bg(cx.theme().colors().panel_background)
1890                .opacity(0.8)
1891                .block_mouse_except_scroll()
1892                .on_click(cx.listener(Self::cancel_editing));
1893
1894            div()
1895                .relative()
1896                .child(primary)
1897                .child(backdrop)
1898                .into_any_element()
1899        } else {
1900            primary
1901        }
1902    }
1903
1904    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1905        cx.theme()
1906            .colors()
1907            .element_background
1908            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1909    }
1910
1911    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1912        cx.theme().colors().border.opacity(0.8)
1913    }
1914
1915    fn tool_name_font_size(&self) -> Rems {
1916        rems_from_px(13.)
1917    }
1918
1919    fn render_thinking_block(
1920        &self,
1921        entry_ix: usize,
1922        chunk_ix: usize,
1923        chunk: Entity<Markdown>,
1924        window: &Window,
1925        cx: &Context<Self>,
1926    ) -> AnyElement {
1927        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1928        let card_header_id = SharedString::from("inner-card-header");
1929
1930        let key = (entry_ix, chunk_ix);
1931
1932        let is_open = self.expanded_thinking_blocks.contains(&key);
1933
1934        let scroll_handle = self
1935            .entry_view_state
1936            .read(cx)
1937            .entry(entry_ix)
1938            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
1939
1940        let thinking_content = {
1941            div()
1942                .id(("thinking-content", chunk_ix))
1943                .when_some(scroll_handle, |this, scroll_handle| {
1944                    this.track_scroll(&scroll_handle)
1945                })
1946                .text_ui_sm(cx)
1947                .overflow_hidden()
1948                .child(
1949                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
1950                )
1951        };
1952
1953        v_flex()
1954            .gap_1()
1955            .child(
1956                h_flex()
1957                    .id(header_id)
1958                    .group(&card_header_id)
1959                    .relative()
1960                    .w_full()
1961                    .pr_1()
1962                    .justify_between()
1963                    .child(
1964                        h_flex()
1965                            .h(window.line_height() - px(2.))
1966                            .gap_1p5()
1967                            .overflow_hidden()
1968                            .child(
1969                                Icon::new(IconName::ToolThink)
1970                                    .size(IconSize::Small)
1971                                    .color(Color::Muted),
1972                            )
1973                            .child(
1974                                div()
1975                                    .text_size(self.tool_name_font_size())
1976                                    .text_color(cx.theme().colors().text_muted)
1977                                    .child("Thinking"),
1978                            ),
1979                    )
1980                    .child(
1981                        Disclosure::new(("expand", entry_ix), is_open)
1982                            .opened_icon(IconName::ChevronUp)
1983                            .closed_icon(IconName::ChevronDown)
1984                            .visible_on_hover(&card_header_id)
1985                            .on_click(cx.listener({
1986                                move |this, _event, _window, cx| {
1987                                    if is_open {
1988                                        this.expanded_thinking_blocks.remove(&key);
1989                                    } else {
1990                                        this.expanded_thinking_blocks.insert(key);
1991                                    }
1992                                    cx.notify();
1993                                }
1994                            })),
1995                    )
1996                    .on_click(cx.listener({
1997                        move |this, _event, _window, cx| {
1998                            if is_open {
1999                                this.expanded_thinking_blocks.remove(&key);
2000                            } else {
2001                                this.expanded_thinking_blocks.insert(key);
2002                            }
2003                            cx.notify();
2004                        }
2005                    })),
2006            )
2007            .when(is_open, |this| {
2008                this.child(
2009                    div()
2010                        .ml_1p5()
2011                        .pl_3p5()
2012                        .border_l_1()
2013                        .border_color(self.tool_card_border_color(cx))
2014                        .child(thinking_content),
2015                )
2016            })
2017            .into_any_element()
2018    }
2019
2020    fn render_tool_call(
2021        &self,
2022        entry_ix: usize,
2023        tool_call: &ToolCall,
2024        window: &Window,
2025        cx: &Context<Self>,
2026    ) -> Div {
2027        let card_header_id = SharedString::from("inner-tool-call-header");
2028
2029        let tool_icon =
2030            if tool_call.kind == acp::ToolKind::Edit && tool_call.locations.len() == 1 {
2031                FileIcons::get_icon(&tool_call.locations[0].path, cx)
2032                    .map(Icon::from_path)
2033                    .unwrap_or(Icon::new(IconName::ToolPencil))
2034            } else {
2035                Icon::new(match tool_call.kind {
2036                    acp::ToolKind::Read => IconName::ToolSearch,
2037                    acp::ToolKind::Edit => IconName::ToolPencil,
2038                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
2039                    acp::ToolKind::Move => IconName::ArrowRightLeft,
2040                    acp::ToolKind::Search => IconName::ToolSearch,
2041                    acp::ToolKind::Execute => IconName::ToolTerminal,
2042                    acp::ToolKind::Think => IconName::ToolThink,
2043                    acp::ToolKind::Fetch => IconName::ToolWeb,
2044                    acp::ToolKind::Other => IconName::ToolHammer,
2045                })
2046            }
2047            .size(IconSize::Small)
2048            .color(Color::Muted);
2049
2050        let failed_or_canceled = match &tool_call.status {
2051            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2052            _ => false,
2053        };
2054
2055        let has_location = tool_call.locations.len() == 1;
2056        let needs_confirmation = matches!(
2057            tool_call.status,
2058            ToolCallStatus::WaitingForConfirmation { .. }
2059        );
2060        let is_edit =
2061            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2062        let use_card_layout = needs_confirmation || is_edit;
2063
2064        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2065
2066        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2067
2068        let gradient_overlay = {
2069            div()
2070                .absolute()
2071                .top_0()
2072                .right_0()
2073                .w_12()
2074                .h_full()
2075                .map(|this| {
2076                    if use_card_layout {
2077                        this.bg(linear_gradient(
2078                            90.,
2079                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2080                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2081                        ))
2082                    } else {
2083                        this.bg(linear_gradient(
2084                            90.,
2085                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2086                            linear_color_stop(
2087                                cx.theme().colors().panel_background.opacity(0.2),
2088                                0.,
2089                            ),
2090                        ))
2091                    }
2092                })
2093        };
2094
2095        let tool_output_display = if is_open {
2096            match &tool_call.status {
2097                ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2098                    .w_full()
2099                    .children(tool_call.content.iter().map(|content| {
2100                        div()
2101                            .child(self.render_tool_call_content(
2102                                entry_ix,
2103                                content,
2104                                tool_call,
2105                                use_card_layout,
2106                                window,
2107                                cx,
2108                            ))
2109                            .into_any_element()
2110                    }))
2111                    .child(self.render_permission_buttons(
2112                        options,
2113                        entry_ix,
2114                        tool_call.id.clone(),
2115                        cx,
2116                    ))
2117                    .into_any(),
2118                ToolCallStatus::Pending | ToolCallStatus::InProgress
2119                    if is_edit
2120                        && tool_call.content.is_empty()
2121                        && self.as_native_connection(cx).is_some() =>
2122                {
2123                    self.render_diff_loading(cx).into_any()
2124                }
2125                ToolCallStatus::Pending
2126                | ToolCallStatus::InProgress
2127                | ToolCallStatus::Completed
2128                | ToolCallStatus::Failed
2129                | ToolCallStatus::Canceled => v_flex()
2130                    .w_full()
2131                    .children(tool_call.content.iter().map(|content| {
2132                        div().child(self.render_tool_call_content(
2133                            entry_ix,
2134                            content,
2135                            tool_call,
2136                            use_card_layout,
2137                            window,
2138                            cx,
2139                        ))
2140                    }))
2141                    .into_any(),
2142                ToolCallStatus::Rejected => Empty.into_any(),
2143            }
2144            .into()
2145        } else {
2146            None
2147        };
2148
2149        v_flex()
2150            .map(|this| {
2151                if use_card_layout {
2152                    this.my_1p5()
2153                        .rounded_md()
2154                        .border_1()
2155                        .border_color(self.tool_card_border_color(cx))
2156                        .bg(cx.theme().colors().editor_background)
2157                        .overflow_hidden()
2158                } else {
2159                    this.my_1()
2160                }
2161            })
2162            .map(|this| {
2163                if has_location && !use_card_layout {
2164                    this.ml_4()
2165                } else {
2166                    this.ml_5()
2167                }
2168            })
2169            .mr_5()
2170            .child(
2171                h_flex()
2172                    .group(&card_header_id)
2173                    .relative()
2174                    .w_full()
2175                    .gap_1()
2176                    .justify_between()
2177                    .when(use_card_layout, |this| {
2178                        this.p_0p5()
2179                            .rounded_t(rems_from_px(5.))
2180                            .bg(self.tool_card_header_bg(cx))
2181                    })
2182                    .child(
2183                        h_flex()
2184                            .relative()
2185                            .w_full()
2186                            .h(window.line_height() - px(2.))
2187                            .text_size(self.tool_name_font_size())
2188                            .gap_1p5()
2189                            .when(has_location || use_card_layout, |this| this.px_1())
2190                            .when(has_location, |this| {
2191                                this.cursor(CursorStyle::PointingHand)
2192                                    .rounded(rems_from_px(3.)) // Concentric border radius
2193                                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2194                            })
2195                            .overflow_hidden()
2196                            .child(tool_icon)
2197                            .child(if has_location {
2198                                let name = tool_call.locations[0]
2199                                    .path
2200                                    .file_name()
2201                                    .unwrap_or_default()
2202                                    .display()
2203                                    .to_string();
2204
2205                                h_flex()
2206                                    .id(("open-tool-call-location", entry_ix))
2207                                    .w_full()
2208                                    .map(|this| {
2209                                        if use_card_layout {
2210                                            this.text_color(cx.theme().colors().text)
2211                                        } else {
2212                                            this.text_color(cx.theme().colors().text_muted)
2213                                        }
2214                                    })
2215                                    .child(name)
2216                                    .tooltip(Tooltip::text("Jump to File"))
2217                                    .on_click(cx.listener(move |this, _, window, cx| {
2218                                        this.open_tool_call_location(entry_ix, 0, window, cx);
2219                                    }))
2220                                    .into_any_element()
2221                            } else {
2222                                h_flex()
2223                                    .w_full()
2224                                    .child(self.render_markdown(
2225                                        tool_call.label.clone(),
2226                                        default_markdown_style(false, true, window, cx),
2227                                    ))
2228                                    .into_any()
2229                            })
2230                            .when(!has_location, |this| this.child(gradient_overlay)),
2231                    )
2232                    .when(is_collapsible || failed_or_canceled, |this| {
2233                        this.child(
2234                            h_flex()
2235                                .px_1()
2236                                .gap_px()
2237                                .when(is_collapsible, |this| {
2238                                    this.child(
2239                                    Disclosure::new(("expand", entry_ix), is_open)
2240                                        .opened_icon(IconName::ChevronUp)
2241                                        .closed_icon(IconName::ChevronDown)
2242                                        .visible_on_hover(&card_header_id)
2243                                        .on_click(cx.listener({
2244                                            let id = tool_call.id.clone();
2245                                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2246                                                if is_open {
2247                                                    this.expanded_tool_calls.remove(&id);
2248                                                } else {
2249                                                    this.expanded_tool_calls.insert(id.clone());
2250                                                }
2251                                                cx.notify();
2252                                            }
2253                                        })),
2254                                )
2255                                })
2256                                .when(failed_or_canceled, |this| {
2257                                    this.child(
2258                                        Icon::new(IconName::Close)
2259                                            .color(Color::Error)
2260                                            .size(IconSize::Small),
2261                                    )
2262                                }),
2263                        )
2264                    }),
2265            )
2266            .children(tool_output_display)
2267    }
2268
2269    fn render_tool_call_content(
2270        &self,
2271        entry_ix: usize,
2272        content: &ToolCallContent,
2273        tool_call: &ToolCall,
2274        card_layout: bool,
2275        window: &Window,
2276        cx: &Context<Self>,
2277    ) -> AnyElement {
2278        match content {
2279            ToolCallContent::ContentBlock(content) => {
2280                if let Some(resource_link) = content.resource_link() {
2281                    self.render_resource_link(resource_link, cx)
2282                } else if let Some(markdown) = content.markdown() {
2283                    self.render_markdown_output(
2284                        markdown.clone(),
2285                        tool_call.id.clone(),
2286                        card_layout,
2287                        window,
2288                        cx,
2289                    )
2290                } else {
2291                    Empty.into_any_element()
2292                }
2293            }
2294            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2295            ToolCallContent::Terminal(terminal) => {
2296                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2297            }
2298        }
2299    }
2300
2301    fn render_markdown_output(
2302        &self,
2303        markdown: Entity<Markdown>,
2304        tool_call_id: acp::ToolCallId,
2305        card_layout: bool,
2306        window: &Window,
2307        cx: &Context<Self>,
2308    ) -> AnyElement {
2309        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2310
2311        v_flex()
2312            .mt_1p5()
2313            .gap_2()
2314            .when(!card_layout, |this| {
2315                this.ml(rems(0.4))
2316                    .px_3p5()
2317                    .border_l_1()
2318                    .border_color(self.tool_card_border_color(cx))
2319            })
2320            .when(card_layout, |this| {
2321                this.p_2()
2322                    .border_t_1()
2323                    .border_color(self.tool_card_border_color(cx))
2324            })
2325            .text_sm()
2326            .text_color(cx.theme().colors().text_muted)
2327            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2328            .when(!card_layout, |this| {
2329                this.child(
2330                    IconButton::new(button_id, IconName::ChevronUp)
2331                        .full_width()
2332                        .style(ButtonStyle::Outlined)
2333                        .icon_color(Color::Muted)
2334                        .on_click(cx.listener({
2335                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2336                                this.expanded_tool_calls.remove(&tool_call_id);
2337                                cx.notify();
2338                            }
2339                        })),
2340                )
2341            })
2342            .into_any_element()
2343    }
2344
2345    fn render_resource_link(
2346        &self,
2347        resource_link: &acp::ResourceLink,
2348        cx: &Context<Self>,
2349    ) -> AnyElement {
2350        let uri: SharedString = resource_link.uri.clone().into();
2351        let is_file = resource_link.uri.strip_prefix("file://");
2352
2353        let label: SharedString = if let Some(abs_path) = is_file {
2354            if let Some(project_path) = self
2355                .project
2356                .read(cx)
2357                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2358                && let Some(worktree) = self
2359                    .project
2360                    .read(cx)
2361                    .worktree_for_id(project_path.worktree_id, cx)
2362            {
2363                worktree
2364                    .read(cx)
2365                    .full_path(&project_path.path)
2366                    .to_string_lossy()
2367                    .to_string()
2368                    .into()
2369            } else {
2370                abs_path.to_string().into()
2371            }
2372        } else {
2373            uri.clone()
2374        };
2375
2376        let button_id = SharedString::from(format!("item-{}", uri));
2377
2378        div()
2379            .ml(rems(0.4))
2380            .pl_2p5()
2381            .border_l_1()
2382            .border_color(self.tool_card_border_color(cx))
2383            .overflow_hidden()
2384            .child(
2385                Button::new(button_id, label)
2386                    .label_size(LabelSize::Small)
2387                    .color(Color::Muted)
2388                    .truncate(true)
2389                    .when(is_file.is_none(), |this| {
2390                        this.icon(IconName::ArrowUpRight)
2391                            .icon_size(IconSize::XSmall)
2392                            .icon_color(Color::Muted)
2393                    })
2394                    .on_click(cx.listener({
2395                        let workspace = self.workspace.clone();
2396                        move |_, _, window, cx: &mut Context<Self>| {
2397                            Self::open_link(uri.clone(), &workspace, window, cx);
2398                        }
2399                    })),
2400            )
2401            .into_any_element()
2402    }
2403
2404    fn render_permission_buttons(
2405        &self,
2406        options: &[acp::PermissionOption],
2407        entry_ix: usize,
2408        tool_call_id: acp::ToolCallId,
2409        cx: &Context<Self>,
2410    ) -> Div {
2411        h_flex()
2412            .py_1()
2413            .pl_2()
2414            .pr_1()
2415            .gap_1()
2416            .justify_between()
2417            .flex_wrap()
2418            .border_t_1()
2419            .border_color(self.tool_card_border_color(cx))
2420            .child(
2421                div()
2422                    .min_w(rems_from_px(145.))
2423                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
2424            )
2425            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
2426                let option_id = SharedString::from(option.id.0.clone());
2427                Button::new((option_id, entry_ix), option.name.clone())
2428                    .map(|this| match option.kind {
2429                        acp::PermissionOptionKind::AllowOnce => {
2430                            this.icon(IconName::Check).icon_color(Color::Success)
2431                        }
2432                        acp::PermissionOptionKind::AllowAlways => {
2433                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
2434                        }
2435                        acp::PermissionOptionKind::RejectOnce => {
2436                            this.icon(IconName::Close).icon_color(Color::Error)
2437                        }
2438                        acp::PermissionOptionKind::RejectAlways => {
2439                            this.icon(IconName::Close).icon_color(Color::Error)
2440                        }
2441                    })
2442                    .icon_position(IconPosition::Start)
2443                    .icon_size(IconSize::XSmall)
2444                    .label_size(LabelSize::Small)
2445                    .on_click(cx.listener({
2446                        let tool_call_id = tool_call_id.clone();
2447                        let option_id = option.id.clone();
2448                        let option_kind = option.kind;
2449                        move |this, _, window, cx| {
2450                            this.authorize_tool_call(
2451                                tool_call_id.clone(),
2452                                option_id.clone(),
2453                                option_kind,
2454                                window,
2455                                cx,
2456                            );
2457                        }
2458                    }))
2459            })))
2460    }
2461
2462    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2463        let bar = |n: u64, width_class: &str| {
2464            let bg_color = cx.theme().colors().element_active;
2465            let base = h_flex().h_1().rounded_full();
2466
2467            let modified = match width_class {
2468                "w_4_5" => base.w_3_4(),
2469                "w_1_4" => base.w_1_4(),
2470                "w_2_4" => base.w_2_4(),
2471                "w_3_5" => base.w_3_5(),
2472                "w_2_5" => base.w_2_5(),
2473                _ => base.w_1_2(),
2474            };
2475
2476            modified.with_animation(
2477                ElementId::Integer(n),
2478                Animation::new(Duration::from_secs(2)).repeat(),
2479                move |tab, delta| {
2480                    let delta = (delta - 0.15 * n as f32) / 0.7;
2481                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2482                    let delta = ease_in_out(delta.clamp(0., 1.));
2483                    let delta = 0.1 + 0.9 * delta;
2484
2485                    tab.bg(bg_color.opacity(delta))
2486                },
2487            )
2488        };
2489
2490        v_flex()
2491            .p_3()
2492            .gap_1()
2493            .rounded_b_md()
2494            .bg(cx.theme().colors().editor_background)
2495            .child(bar(0, "w_4_5"))
2496            .child(bar(1, "w_1_4"))
2497            .child(bar(2, "w_2_4"))
2498            .child(bar(3, "w_3_5"))
2499            .child(bar(4, "w_2_5"))
2500            .into_any_element()
2501    }
2502
2503    fn render_diff_editor(
2504        &self,
2505        entry_ix: usize,
2506        diff: &Entity<acp_thread::Diff>,
2507        tool_call: &ToolCall,
2508        cx: &Context<Self>,
2509    ) -> AnyElement {
2510        let tool_progress = matches!(
2511            &tool_call.status,
2512            ToolCallStatus::InProgress | ToolCallStatus::Pending
2513        );
2514
2515        v_flex()
2516            .h_full()
2517            .border_t_1()
2518            .border_color(self.tool_card_border_color(cx))
2519            .child(
2520                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2521                    && let Some(editor) = entry.editor_for_diff(diff)
2522                    && diff.read(cx).has_revealed_range(cx)
2523                {
2524                    editor.into_any_element()
2525                } else if tool_progress && self.as_native_connection(cx).is_some() {
2526                    self.render_diff_loading(cx)
2527                } else {
2528                    Empty.into_any()
2529                },
2530            )
2531            .into_any()
2532    }
2533
2534    fn render_terminal_tool_call(
2535        &self,
2536        entry_ix: usize,
2537        terminal: &Entity<acp_thread::Terminal>,
2538        tool_call: &ToolCall,
2539        window: &Window,
2540        cx: &Context<Self>,
2541    ) -> AnyElement {
2542        let terminal_data = terminal.read(cx);
2543        let working_dir = terminal_data.working_dir();
2544        let command = terminal_data.command();
2545        let started_at = terminal_data.started_at();
2546
2547        let tool_failed = matches!(
2548            &tool_call.status,
2549            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2550        );
2551
2552        let output = terminal_data.output();
2553        let command_finished = output.is_some();
2554        let truncated_output =
2555            output.is_some_and(|output| output.original_content_len > output.content.len());
2556        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2557
2558        let command_failed = command_finished
2559            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2560
2561        let time_elapsed = if let Some(output) = output {
2562            output.ended_at.duration_since(started_at)
2563        } else {
2564            started_at.elapsed()
2565        };
2566
2567        let header_id =
2568            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2569        let header_group = SharedString::from(format!(
2570            "terminal-tool-header-group-{}",
2571            terminal.entity_id()
2572        ));
2573        let header_bg = cx
2574            .theme()
2575            .colors()
2576            .element_background
2577            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2578        let border_color = cx.theme().colors().border.opacity(0.6);
2579
2580        let working_dir = working_dir
2581            .as_ref()
2582            .map(|path| format!("{}", path.display()))
2583            .unwrap_or_else(|| "current directory".to_string());
2584
2585        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2586
2587        let header = h_flex()
2588            .id(header_id)
2589            .flex_none()
2590            .gap_1()
2591            .justify_between()
2592            .rounded_t_md()
2593            .child(
2594                div()
2595                    .id(("command-target-path", terminal.entity_id()))
2596                    .w_full()
2597                    .max_w_full()
2598                    .overflow_x_scroll()
2599                    .child(
2600                        Label::new(working_dir)
2601                            .buffer_font(cx)
2602                            .size(LabelSize::XSmall)
2603                            .color(Color::Muted),
2604                    ),
2605            )
2606            .when(!command_finished, |header| {
2607                header
2608                    .gap_1p5()
2609                    .child(
2610                        Button::new(
2611                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2612                            "Stop",
2613                        )
2614                        .icon(IconName::Stop)
2615                        .icon_position(IconPosition::Start)
2616                        .icon_size(IconSize::Small)
2617                        .icon_color(Color::Error)
2618                        .label_size(LabelSize::Small)
2619                        .tooltip(move |window, cx| {
2620                            Tooltip::with_meta(
2621                                "Stop This Command",
2622                                None,
2623                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2624                                window,
2625                                cx,
2626                            )
2627                        })
2628                        .on_click({
2629                            let terminal = terminal.clone();
2630                            cx.listener(move |_this, _event, _window, cx| {
2631                                let inner_terminal = terminal.read(cx).inner().clone();
2632                                inner_terminal.update(cx, |inner_terminal, _cx| {
2633                                    inner_terminal.kill_active_task();
2634                                });
2635                            })
2636                        }),
2637                    )
2638                    .child(Divider::vertical())
2639                    .child(
2640                        Icon::new(IconName::ArrowCircle)
2641                            .size(IconSize::XSmall)
2642                            .color(Color::Info)
2643                            .with_rotate_animation(2)
2644                    )
2645            })
2646            .when(truncated_output, |header| {
2647                let tooltip = if let Some(output) = output {
2648                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2649                       format!("Output exceeded terminal max lines and was \
2650                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2651                    } else {
2652                        format!(
2653                            "Output is {} long, and to avoid unexpected token usage, \
2654                                only {} was sent back to the agent.",
2655                            format_file_size(output.original_content_len as u64, true),
2656                             format_file_size(output.content.len() as u64, true)
2657                        )
2658                    }
2659                } else {
2660                    "Output was truncated".to_string()
2661                };
2662
2663                header.child(
2664                    h_flex()
2665                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2666                        .gap_1()
2667                        .child(
2668                            Icon::new(IconName::Info)
2669                                .size(IconSize::XSmall)
2670                                .color(Color::Ignored),
2671                        )
2672                        .child(
2673                            Label::new("Truncated")
2674                                .color(Color::Muted)
2675                                .size(LabelSize::XSmall),
2676                        )
2677                        .tooltip(Tooltip::text(tooltip)),
2678                )
2679            })
2680            .when(time_elapsed > Duration::from_secs(10), |header| {
2681                header.child(
2682                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2683                        .buffer_font(cx)
2684                        .color(Color::Muted)
2685                        .size(LabelSize::XSmall),
2686                )
2687            })
2688            .when(tool_failed || command_failed, |header| {
2689                header.child(
2690                    div()
2691                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2692                        .child(
2693                            Icon::new(IconName::Close)
2694                                .size(IconSize::Small)
2695                                .color(Color::Error),
2696                        )
2697                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2698                            this.tooltip(Tooltip::text(format!(
2699                                "Exited with code {}",
2700                                status.code().unwrap_or(-1),
2701                            )))
2702                        }),
2703                )
2704            })
2705            .child(
2706                Disclosure::new(
2707                    SharedString::from(format!(
2708                        "terminal-tool-disclosure-{}",
2709                        terminal.entity_id()
2710                    )),
2711                    is_expanded,
2712                )
2713                .opened_icon(IconName::ChevronUp)
2714                .closed_icon(IconName::ChevronDown)
2715                .visible_on_hover(&header_group)
2716                .on_click(cx.listener({
2717                    let id = tool_call.id.clone();
2718                    move |this, _event, _window, _cx| {
2719                        if is_expanded {
2720                            this.expanded_tool_calls.remove(&id);
2721                        } else {
2722                            this.expanded_tool_calls.insert(id.clone());
2723                        }
2724                    }
2725                })),
2726            );
2727
2728        let terminal_view = self
2729            .entry_view_state
2730            .read(cx)
2731            .entry(entry_ix)
2732            .and_then(|entry| entry.terminal(terminal));
2733        let show_output = is_expanded && terminal_view.is_some();
2734
2735        v_flex()
2736            .my_1p5()
2737            .mx_5()
2738            .border_1()
2739            .when(tool_failed || command_failed, |card| card.border_dashed())
2740            .border_color(border_color)
2741            .rounded_md()
2742            .overflow_hidden()
2743            .child(
2744                v_flex()
2745                    .group(&header_group)
2746                    .py_1p5()
2747                    .pr_1p5()
2748                    .pl_2()
2749                    .gap_0p5()
2750                    .bg(header_bg)
2751                    .text_xs()
2752                    .child(header)
2753                    .child(
2754                        MarkdownElement::new(
2755                            command.clone(),
2756                            terminal_command_markdown_style(window, cx),
2757                        )
2758                        .code_block_renderer(
2759                            markdown::CodeBlockRenderer::Default {
2760                                copy_button: false,
2761                                copy_button_on_hover: true,
2762                                border: false,
2763                            },
2764                        ),
2765                    ),
2766            )
2767            .when(show_output, |this| {
2768                this.child(
2769                    div()
2770                        .pt_2()
2771                        .border_t_1()
2772                        .when(tool_failed || command_failed, |card| card.border_dashed())
2773                        .border_color(border_color)
2774                        .bg(cx.theme().colors().editor_background)
2775                        .rounded_b_md()
2776                        .text_ui_sm(cx)
2777                        .h_full()
2778                        .children(terminal_view.map(|terminal_view| {
2779                            if terminal_view
2780                                .read(cx)
2781                                .content_mode(window, cx)
2782                                .is_scrollable()
2783                            {
2784                                div().h_72().child(terminal_view).into_any_element()
2785                            } else {
2786                                terminal_view.into_any_element()
2787                            }
2788                        })),
2789                )
2790            })
2791            .into_any()
2792    }
2793
2794    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2795        let project_context = self
2796            .as_native_thread(cx)?
2797            .read(cx)
2798            .project_context()
2799            .read(cx);
2800
2801        let user_rules_text = if project_context.user_rules.is_empty() {
2802            None
2803        } else if project_context.user_rules.len() == 1 {
2804            let user_rules = &project_context.user_rules[0];
2805
2806            match user_rules.title.as_ref() {
2807                Some(title) => Some(format!("Using \"{title}\" user rule")),
2808                None => Some("Using user rule".into()),
2809            }
2810        } else {
2811            Some(format!(
2812                "Using {} user rules",
2813                project_context.user_rules.len()
2814            ))
2815        };
2816
2817        let first_user_rules_id = project_context
2818            .user_rules
2819            .first()
2820            .map(|user_rules| user_rules.uuid.0);
2821
2822        let rules_files = project_context
2823            .worktrees
2824            .iter()
2825            .filter_map(|worktree| worktree.rules_file.as_ref())
2826            .collect::<Vec<_>>();
2827
2828        let rules_file_text = match rules_files.as_slice() {
2829            &[] => None,
2830            &[rules_file] => Some(format!(
2831                "Using project {:?} file",
2832                rules_file.path_in_worktree
2833            )),
2834            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2835        };
2836
2837        if user_rules_text.is_none() && rules_file_text.is_none() {
2838            return None;
2839        }
2840
2841        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2842
2843        Some(
2844            h_flex()
2845                .px_2p5()
2846                .child(
2847                    Icon::new(IconName::Attach)
2848                        .size(IconSize::XSmall)
2849                        .color(Color::Disabled),
2850                )
2851                .when_some(user_rules_text, |parent, user_rules_text| {
2852                    parent.child(
2853                        h_flex()
2854                            .id("user-rules")
2855                            .ml_1()
2856                            .mr_1p5()
2857                            .child(
2858                                Label::new(user_rules_text)
2859                                    .size(LabelSize::XSmall)
2860                                    .color(Color::Muted)
2861                                    .truncate(),
2862                            )
2863                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2864                            .tooltip(Tooltip::text("View User Rules"))
2865                            .on_click(move |_event, window, cx| {
2866                                window.dispatch_action(
2867                                    Box::new(OpenRulesLibrary {
2868                                        prompt_to_select: first_user_rules_id,
2869                                    }),
2870                                    cx,
2871                                )
2872                            }),
2873                    )
2874                })
2875                .when(has_both, |this| {
2876                    this.child(
2877                        Label::new("")
2878                            .size(LabelSize::XSmall)
2879                            .color(Color::Disabled),
2880                    )
2881                })
2882                .when_some(rules_file_text, |parent, rules_file_text| {
2883                    parent.child(
2884                        h_flex()
2885                            .id("project-rules")
2886                            .ml_1p5()
2887                            .child(
2888                                Label::new(rules_file_text)
2889                                    .size(LabelSize::XSmall)
2890                                    .color(Color::Muted),
2891                            )
2892                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2893                            .tooltip(Tooltip::text("View Project Rules"))
2894                            .on_click(cx.listener(Self::handle_open_rules)),
2895                    )
2896                })
2897                .into_any(),
2898        )
2899    }
2900
2901    fn render_empty_state_section_header(
2902        &self,
2903        label: impl Into<SharedString>,
2904        action_slot: Option<AnyElement>,
2905        cx: &mut Context<Self>,
2906    ) -> impl IntoElement {
2907        div().pl_1().pr_1p5().child(
2908            h_flex()
2909                .mt_2()
2910                .pl_1p5()
2911                .pb_1()
2912                .w_full()
2913                .justify_between()
2914                .border_b_1()
2915                .border_color(cx.theme().colors().border_variant)
2916                .child(
2917                    Label::new(label.into())
2918                        .size(LabelSize::Small)
2919                        .color(Color::Muted),
2920                )
2921                .children(action_slot),
2922        )
2923    }
2924
2925    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2926        let render_history = self
2927            .agent
2928            .clone()
2929            .downcast::<agent2::NativeAgentServer>()
2930            .is_some()
2931            && self
2932                .history_store
2933                .update(cx, |history_store, cx| !history_store.is_empty(cx));
2934
2935        v_flex()
2936            .size_full()
2937            .when(render_history, |this| {
2938                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
2939                    history_store.entries().take(3).collect()
2940                });
2941                this.justify_end().child(
2942                    v_flex()
2943                        .child(
2944                            self.render_empty_state_section_header(
2945                                "Recent",
2946                                Some(
2947                                    Button::new("view-history", "View All")
2948                                        .style(ButtonStyle::Subtle)
2949                                        .label_size(LabelSize::Small)
2950                                        .key_binding(
2951                                            KeyBinding::for_action_in(
2952                                                &OpenHistory,
2953                                                &self.focus_handle(cx),
2954                                                window,
2955                                                cx,
2956                                            )
2957                                            .map(|kb| kb.size(rems_from_px(12.))),
2958                                        )
2959                                        .on_click(move |_event, window, cx| {
2960                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2961                                        })
2962                                        .into_any_element(),
2963                                ),
2964                                cx,
2965                            ),
2966                        )
2967                        .child(
2968                            v_flex().p_1().pr_1p5().gap_1().children(
2969                                recent_history
2970                                    .into_iter()
2971                                    .enumerate()
2972                                    .map(|(index, entry)| {
2973                                        // TODO: Add keyboard navigation.
2974                                        let is_hovered =
2975                                            self.hovered_recent_history_item == Some(index);
2976                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2977                                            entry,
2978                                            cx.entity().downgrade(),
2979                                        )
2980                                        .hovered(is_hovered)
2981                                        .on_hover(cx.listener(
2982                                            move |this, is_hovered, _window, cx| {
2983                                                if *is_hovered {
2984                                                    this.hovered_recent_history_item = Some(index);
2985                                                } else if this.hovered_recent_history_item
2986                                                    == Some(index)
2987                                                {
2988                                                    this.hovered_recent_history_item = None;
2989                                                }
2990                                                cx.notify();
2991                                            },
2992                                        ))
2993                                        .into_any_element()
2994                                    }),
2995                            ),
2996                        ),
2997                )
2998            })
2999            .into_any()
3000    }
3001
3002    fn render_auth_required_state(
3003        &self,
3004        connection: &Rc<dyn AgentConnection>,
3005        description: Option<&Entity<Markdown>>,
3006        configuration_view: Option<&AnyView>,
3007        pending_auth_method: Option<&acp::AuthMethodId>,
3008        window: &mut Window,
3009        cx: &Context<Self>,
3010    ) -> Div {
3011        let show_description =
3012            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3013
3014        let auth_methods = connection.auth_methods();
3015
3016        v_flex().flex_1().size_full().justify_end().child(
3017            v_flex()
3018                .p_2()
3019                .pr_3()
3020                .w_full()
3021                .gap_1()
3022                .border_t_1()
3023                .border_color(cx.theme().colors().border)
3024                .bg(cx.theme().status().warning.opacity(0.04))
3025                .child(
3026                    h_flex()
3027                        .gap_1p5()
3028                        .child(
3029                            Icon::new(IconName::Warning)
3030                                .color(Color::Warning)
3031                                .size(IconSize::Small),
3032                        )
3033                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3034                )
3035                .children(description.map(|desc| {
3036                    div().text_ui(cx).child(self.render_markdown(
3037                        desc.clone(),
3038                        default_markdown_style(false, false, window, cx),
3039                    ))
3040                }))
3041                .children(
3042                    configuration_view
3043                        .cloned()
3044                        .map(|view| div().w_full().child(view)),
3045                )
3046                .when(show_description, |el| {
3047                    el.child(
3048                        Label::new(format!(
3049                            "You are not currently authenticated with {}.{}",
3050                            self.agent.name(),
3051                            if auth_methods.len() > 1 {
3052                                " Please choose one of the following options:"
3053                            } else {
3054                                ""
3055                            }
3056                        ))
3057                        .size(LabelSize::Small)
3058                        .color(Color::Muted)
3059                        .mb_1()
3060                        .ml_5(),
3061                    )
3062                })
3063                .when_some(pending_auth_method, |el, _| {
3064                    el.child(
3065                        h_flex()
3066                            .py_4()
3067                            .w_full()
3068                            .justify_center()
3069                            .gap_1()
3070                            .child(
3071                                Icon::new(IconName::ArrowCircle)
3072                                    .size(IconSize::Small)
3073                                    .color(Color::Muted)
3074                                    .with_rotate_animation(2),
3075                            )
3076                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3077                    )
3078                })
3079                .when(!auth_methods.is_empty(), |this| {
3080                    this.child(
3081                        h_flex()
3082                            .justify_end()
3083                            .flex_wrap()
3084                            .gap_1()
3085                            .when(!show_description, |this| {
3086                                this.border_t_1()
3087                                    .mt_1()
3088                                    .pt_2()
3089                                    .border_color(cx.theme().colors().border.opacity(0.8))
3090                            })
3091                            .children(connection.auth_methods().iter().enumerate().rev().map(
3092                                |(ix, method)| {
3093                                    Button::new(
3094                                        SharedString::from(method.id.0.clone()),
3095                                        method.name.clone(),
3096                                    )
3097                                    .when(ix == 0, |el| {
3098                                        el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
3099                                    })
3100                                    .label_size(LabelSize::Small)
3101                                    .on_click({
3102                                        let method_id = method.id.clone();
3103                                        cx.listener(move |this, _, window, cx| {
3104                                            telemetry::event!(
3105                                                "Authenticate Agent Started",
3106                                                agent = this.agent.telemetry_id(),
3107                                                method = method_id
3108                                            );
3109
3110                                            this.authenticate(method_id.clone(), window, cx)
3111                                        })
3112                                    })
3113                                },
3114                            )),
3115                    )
3116                }),
3117        )
3118    }
3119
3120    fn render_load_error(
3121        &self,
3122        e: &LoadError,
3123        window: &mut Window,
3124        cx: &mut Context<Self>,
3125    ) -> AnyElement {
3126        let (title, message, action_slot): (_, SharedString, _) = match e {
3127            LoadError::Unsupported {
3128                command: path,
3129                current_version,
3130                minimum_version,
3131            } => {
3132                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3133            }
3134            LoadError::FailedToInstall(msg) => (
3135                "Failed to Install",
3136                msg.into(),
3137                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3138            ),
3139            LoadError::Exited { status } => (
3140                "Failed to Launch",
3141                format!("Server exited with status {status}").into(),
3142                None,
3143            ),
3144            LoadError::Other(msg) => (
3145                "Failed to Launch",
3146                msg.into(),
3147                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3148            ),
3149        };
3150
3151        Callout::new()
3152            .severity(Severity::Error)
3153            .icon(IconName::XCircleFilled)
3154            .title(title)
3155            .description(message)
3156            .actions_slot(div().children(action_slot))
3157            .into_any_element()
3158    }
3159
3160    fn render_unsupported(
3161        &self,
3162        path: &SharedString,
3163        version: &SharedString,
3164        minimum_version: &SharedString,
3165        _window: &mut Window,
3166        cx: &mut Context<Self>,
3167    ) -> AnyElement {
3168        let (heading_label, description_label) = (
3169            format!("Upgrade {} to work with Zed", self.agent.name()),
3170            if version.is_empty() {
3171                format!(
3172                    "Currently using {}, which does not report a valid --version",
3173                    path,
3174                )
3175            } else {
3176                format!(
3177                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3178                    path, version
3179                )
3180            },
3181        );
3182
3183        v_flex()
3184            .w_full()
3185            .p_3p5()
3186            .gap_2p5()
3187            .border_t_1()
3188            .border_color(cx.theme().colors().border)
3189            .bg(linear_gradient(
3190                180.,
3191                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3192                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3193            ))
3194            .child(
3195                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3196                    Label::new(description_label)
3197                        .size(LabelSize::Small)
3198                        .color(Color::Muted),
3199                ),
3200            )
3201            .into_any_element()
3202    }
3203
3204    fn render_activity_bar(
3205        &self,
3206        thread_entity: &Entity<AcpThread>,
3207        window: &mut Window,
3208        cx: &Context<Self>,
3209    ) -> Option<AnyElement> {
3210        let thread = thread_entity.read(cx);
3211        let action_log = thread.action_log();
3212        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3213        let plan = thread.plan();
3214
3215        if changed_buffers.is_empty() && plan.is_empty() {
3216            return None;
3217        }
3218
3219        let editor_bg_color = cx.theme().colors().editor_background;
3220        let active_color = cx.theme().colors().element_selected;
3221        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
3222
3223        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3224        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3225        // be, which blocks you from being able to accept or reject edits. This switches the
3226        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3227        // block you from using the panel.
3228        let pending_edits = false;
3229
3230        v_flex()
3231            .mt_1()
3232            .mx_2()
3233            .bg(bg_edit_files_disclosure)
3234            .border_1()
3235            .border_b_0()
3236            .border_color(cx.theme().colors().border)
3237            .rounded_t_md()
3238            .shadow(vec![gpui::BoxShadow {
3239                color: gpui::black().opacity(0.15),
3240                offset: point(px(1.), px(-1.)),
3241                blur_radius: px(3.),
3242                spread_radius: px(0.),
3243            }])
3244            .when(!plan.is_empty(), |this| {
3245                this.child(self.render_plan_summary(plan, window, cx))
3246                    .when(self.plan_expanded, |parent| {
3247                        parent.child(self.render_plan_entries(plan, window, cx))
3248                    })
3249            })
3250            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3251                this.child(Divider::horizontal().color(DividerColor::Border))
3252            })
3253            .when(!changed_buffers.is_empty(), |this| {
3254                this.child(self.render_edits_summary(
3255                    &changed_buffers,
3256                    self.edits_expanded,
3257                    pending_edits,
3258                    window,
3259                    cx,
3260                ))
3261                .when(self.edits_expanded, |parent| {
3262                    parent.child(self.render_edited_files(
3263                        action_log,
3264                        &changed_buffers,
3265                        pending_edits,
3266                        cx,
3267                    ))
3268                })
3269            })
3270            .into_any()
3271            .into()
3272    }
3273
3274    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3275        let stats = plan.stats();
3276
3277        let title = if let Some(entry) = stats.in_progress_entry
3278            && !self.plan_expanded
3279        {
3280            h_flex()
3281                .w_full()
3282                .cursor_default()
3283                .gap_1()
3284                .text_xs()
3285                .text_color(cx.theme().colors().text_muted)
3286                .justify_between()
3287                .child(
3288                    h_flex()
3289                        .gap_1()
3290                        .child(
3291                            Label::new("Current:")
3292                                .size(LabelSize::Small)
3293                                .color(Color::Muted),
3294                        )
3295                        .child(MarkdownElement::new(
3296                            entry.content.clone(),
3297                            plan_label_markdown_style(&entry.status, window, cx),
3298                        )),
3299                )
3300                .when(stats.pending > 0, |this| {
3301                    this.child(
3302                        Label::new(format!("{} left", stats.pending))
3303                            .size(LabelSize::Small)
3304                            .color(Color::Muted)
3305                            .mr_1(),
3306                    )
3307                })
3308        } else {
3309            let status_label = if stats.pending == 0 {
3310                "All Done".to_string()
3311            } else if stats.completed == 0 {
3312                format!("{} Tasks", plan.entries.len())
3313            } else {
3314                format!("{}/{}", stats.completed, plan.entries.len())
3315            };
3316
3317            h_flex()
3318                .w_full()
3319                .gap_1()
3320                .justify_between()
3321                .child(
3322                    Label::new("Plan")
3323                        .size(LabelSize::Small)
3324                        .color(Color::Muted),
3325                )
3326                .child(
3327                    Label::new(status_label)
3328                        .size(LabelSize::Small)
3329                        .color(Color::Muted)
3330                        .mr_1(),
3331                )
3332        };
3333
3334        h_flex()
3335            .p_1()
3336            .justify_between()
3337            .when(self.plan_expanded, |this| {
3338                this.border_b_1().border_color(cx.theme().colors().border)
3339            })
3340            .child(
3341                h_flex()
3342                    .id("plan_summary")
3343                    .w_full()
3344                    .gap_1()
3345                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3346                    .child(title)
3347                    .on_click(cx.listener(|this, _, _, cx| {
3348                        this.plan_expanded = !this.plan_expanded;
3349                        cx.notify();
3350                    })),
3351            )
3352    }
3353
3354    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3355        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3356            let element = h_flex()
3357                .py_1()
3358                .px_2()
3359                .gap_2()
3360                .justify_between()
3361                .bg(cx.theme().colors().editor_background)
3362                .when(index < plan.entries.len() - 1, |parent| {
3363                    parent.border_color(cx.theme().colors().border).border_b_1()
3364                })
3365                .child(
3366                    h_flex()
3367                        .id(("plan_entry", index))
3368                        .gap_1p5()
3369                        .max_w_full()
3370                        .overflow_x_scroll()
3371                        .text_xs()
3372                        .text_color(cx.theme().colors().text_muted)
3373                        .child(match entry.status {
3374                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3375                                .size(IconSize::Small)
3376                                .color(Color::Muted)
3377                                .into_any_element(),
3378                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3379                                .size(IconSize::Small)
3380                                .color(Color::Accent)
3381                                .with_rotate_animation(2)
3382                                .into_any_element(),
3383                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3384                                .size(IconSize::Small)
3385                                .color(Color::Success)
3386                                .into_any_element(),
3387                        })
3388                        .child(MarkdownElement::new(
3389                            entry.content.clone(),
3390                            plan_label_markdown_style(&entry.status, window, cx),
3391                        )),
3392                );
3393
3394            Some(element)
3395        }))
3396    }
3397
3398    fn render_edits_summary(
3399        &self,
3400        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3401        expanded: bool,
3402        pending_edits: bool,
3403        window: &mut Window,
3404        cx: &Context<Self>,
3405    ) -> Div {
3406        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3407
3408        let focus_handle = self.focus_handle(cx);
3409
3410        h_flex()
3411            .p_1()
3412            .justify_between()
3413            .flex_wrap()
3414            .when(expanded, |this| {
3415                this.border_b_1().border_color(cx.theme().colors().border)
3416            })
3417            .child(
3418                h_flex()
3419                    .id("edits-container")
3420                    .gap_1()
3421                    .child(Disclosure::new("edits-disclosure", expanded))
3422                    .map(|this| {
3423                        if pending_edits {
3424                            this.child(
3425                                Label::new(format!(
3426                                    "Editing {} {}",
3427                                    changed_buffers.len(),
3428                                    if changed_buffers.len() == 1 {
3429                                        "file"
3430                                    } else {
3431                                        "files"
3432                                    }
3433                                ))
3434                                .color(Color::Muted)
3435                                .size(LabelSize::Small)
3436                                .with_animation(
3437                                    "edit-label",
3438                                    Animation::new(Duration::from_secs(2))
3439                                        .repeat()
3440                                        .with_easing(pulsating_between(0.3, 0.7)),
3441                                    |label, delta| label.alpha(delta),
3442                                ),
3443                            )
3444                        } else {
3445                            this.child(
3446                                Label::new("Edits")
3447                                    .size(LabelSize::Small)
3448                                    .color(Color::Muted),
3449                            )
3450                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3451                            .child(
3452                                Label::new(format!(
3453                                    "{} {}",
3454                                    changed_buffers.len(),
3455                                    if changed_buffers.len() == 1 {
3456                                        "file"
3457                                    } else {
3458                                        "files"
3459                                    }
3460                                ))
3461                                .size(LabelSize::Small)
3462                                .color(Color::Muted),
3463                            )
3464                        }
3465                    })
3466                    .on_click(cx.listener(|this, _, _, cx| {
3467                        this.edits_expanded = !this.edits_expanded;
3468                        cx.notify();
3469                    })),
3470            )
3471            .child(
3472                h_flex()
3473                    .gap_1()
3474                    .child(
3475                        IconButton::new("review-changes", IconName::ListTodo)
3476                            .icon_size(IconSize::Small)
3477                            .tooltip({
3478                                let focus_handle = focus_handle.clone();
3479                                move |window, cx| {
3480                                    Tooltip::for_action_in(
3481                                        "Review Changes",
3482                                        &OpenAgentDiff,
3483                                        &focus_handle,
3484                                        window,
3485                                        cx,
3486                                    )
3487                                }
3488                            })
3489                            .on_click(cx.listener(|_, _, window, cx| {
3490                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3491                            })),
3492                    )
3493                    .child(Divider::vertical().color(DividerColor::Border))
3494                    .child(
3495                        Button::new("reject-all-changes", "Reject All")
3496                            .label_size(LabelSize::Small)
3497                            .disabled(pending_edits)
3498                            .when(pending_edits, |this| {
3499                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3500                            })
3501                            .key_binding(
3502                                KeyBinding::for_action_in(
3503                                    &RejectAll,
3504                                    &focus_handle.clone(),
3505                                    window,
3506                                    cx,
3507                                )
3508                                .map(|kb| kb.size(rems_from_px(10.))),
3509                            )
3510                            .on_click(cx.listener(move |this, _, window, cx| {
3511                                this.reject_all(&RejectAll, window, cx);
3512                            })),
3513                    )
3514                    .child(
3515                        Button::new("keep-all-changes", "Keep All")
3516                            .label_size(LabelSize::Small)
3517                            .disabled(pending_edits)
3518                            .when(pending_edits, |this| {
3519                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3520                            })
3521                            .key_binding(
3522                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3523                                    .map(|kb| kb.size(rems_from_px(10.))),
3524                            )
3525                            .on_click(cx.listener(move |this, _, window, cx| {
3526                                this.keep_all(&KeepAll, window, cx);
3527                            })),
3528                    ),
3529            )
3530    }
3531
3532    fn render_edited_files(
3533        &self,
3534        action_log: &Entity<ActionLog>,
3535        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3536        pending_edits: bool,
3537        cx: &Context<Self>,
3538    ) -> Div {
3539        let editor_bg_color = cx.theme().colors().editor_background;
3540
3541        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3542            |(index, (buffer, _diff))| {
3543                let file = buffer.read(cx).file()?;
3544                let path = file.path();
3545
3546                let file_path = path.parent().and_then(|parent| {
3547                    let parent_str = parent.to_string_lossy();
3548
3549                    if parent_str.is_empty() {
3550                        None
3551                    } else {
3552                        Some(
3553                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3554                                .color(Color::Muted)
3555                                .size(LabelSize::XSmall)
3556                                .buffer_font(cx),
3557                        )
3558                    }
3559                });
3560
3561                let file_name = path.file_name().map(|name| {
3562                    Label::new(name.to_string_lossy().to_string())
3563                        .size(LabelSize::XSmall)
3564                        .buffer_font(cx)
3565                });
3566
3567                let file_icon = FileIcons::get_icon(path, cx)
3568                    .map(Icon::from_path)
3569                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3570                    .unwrap_or_else(|| {
3571                        Icon::new(IconName::File)
3572                            .color(Color::Muted)
3573                            .size(IconSize::Small)
3574                    });
3575
3576                let overlay_gradient = linear_gradient(
3577                    90.,
3578                    linear_color_stop(editor_bg_color, 1.),
3579                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3580                );
3581
3582                let element = h_flex()
3583                    .group("edited-code")
3584                    .id(("file-container", index))
3585                    .py_1()
3586                    .pl_2()
3587                    .pr_1()
3588                    .gap_2()
3589                    .justify_between()
3590                    .bg(editor_bg_color)
3591                    .when(index < changed_buffers.len() - 1, |parent| {
3592                        parent.border_color(cx.theme().colors().border).border_b_1()
3593                    })
3594                    .child(
3595                        h_flex()
3596                            .relative()
3597                            .id(("file-name", index))
3598                            .pr_8()
3599                            .gap_1p5()
3600                            .max_w_full()
3601                            .overflow_x_scroll()
3602                            .child(file_icon)
3603                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3604                            .child(
3605                                div()
3606                                    .absolute()
3607                                    .h_full()
3608                                    .w_12()
3609                                    .top_0()
3610                                    .bottom_0()
3611                                    .right_0()
3612                                    .bg(overlay_gradient),
3613                            )
3614                            .on_click({
3615                                let buffer = buffer.clone();
3616                                cx.listener(move |this, _, window, cx| {
3617                                    this.open_edited_buffer(&buffer, window, cx);
3618                                })
3619                            }),
3620                    )
3621                    .child(
3622                        h_flex()
3623                            .gap_1()
3624                            .visible_on_hover("edited-code")
3625                            .child(
3626                                Button::new("review", "Review")
3627                                    .label_size(LabelSize::Small)
3628                                    .on_click({
3629                                        let buffer = buffer.clone();
3630                                        cx.listener(move |this, _, window, cx| {
3631                                            this.open_edited_buffer(&buffer, window, cx);
3632                                        })
3633                                    }),
3634                            )
3635                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3636                            .child(
3637                                Button::new("reject-file", "Reject")
3638                                    .label_size(LabelSize::Small)
3639                                    .disabled(pending_edits)
3640                                    .on_click({
3641                                        let buffer = buffer.clone();
3642                                        let action_log = action_log.clone();
3643                                        move |_, _, cx| {
3644                                            action_log.update(cx, |action_log, cx| {
3645                                                action_log
3646                                                    .reject_edits_in_ranges(
3647                                                        buffer.clone(),
3648                                                        vec![Anchor::MIN..Anchor::MAX],
3649                                                        cx,
3650                                                    )
3651                                                    .detach_and_log_err(cx);
3652                                            })
3653                                        }
3654                                    }),
3655                            )
3656                            .child(
3657                                Button::new("keep-file", "Keep")
3658                                    .label_size(LabelSize::Small)
3659                                    .disabled(pending_edits)
3660                                    .on_click({
3661                                        let buffer = buffer.clone();
3662                                        let action_log = action_log.clone();
3663                                        move |_, _, cx| {
3664                                            action_log.update(cx, |action_log, cx| {
3665                                                action_log.keep_edits_in_range(
3666                                                    buffer.clone(),
3667                                                    Anchor::MIN..Anchor::MAX,
3668                                                    cx,
3669                                                );
3670                                            })
3671                                        }
3672                                    }),
3673                            ),
3674                    );
3675
3676                Some(element)
3677            },
3678        ))
3679    }
3680
3681    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3682        let focus_handle = self.message_editor.focus_handle(cx);
3683        let editor_bg_color = cx.theme().colors().editor_background;
3684        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3685            (IconName::Minimize, "Minimize Message Editor")
3686        } else {
3687            (IconName::Maximize, "Expand Message Editor")
3688        };
3689
3690        let backdrop = div()
3691            .size_full()
3692            .absolute()
3693            .inset_0()
3694            .bg(cx.theme().colors().panel_background)
3695            .opacity(0.8)
3696            .block_mouse_except_scroll();
3697
3698        let enable_editor = match self.thread_state {
3699            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3700            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3701        };
3702
3703        v_flex()
3704            .on_action(cx.listener(Self::expand_message_editor))
3705            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3706                if let Some(profile_selector) = this.profile_selector.as_ref() {
3707                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3708                }
3709            }))
3710            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3711                if let Some(model_selector) = this.model_selector.as_ref() {
3712                    model_selector
3713                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3714                }
3715            }))
3716            .p_2()
3717            .gap_2()
3718            .border_t_1()
3719            .border_color(cx.theme().colors().border)
3720            .bg(editor_bg_color)
3721            .when(self.editor_expanded, |this| {
3722                this.h(vh(0.8, window)).size_full().justify_between()
3723            })
3724            .child(
3725                v_flex()
3726                    .relative()
3727                    .size_full()
3728                    .pt_1()
3729                    .pr_2p5()
3730                    .child(self.message_editor.clone())
3731                    .child(
3732                        h_flex()
3733                            .absolute()
3734                            .top_0()
3735                            .right_0()
3736                            .opacity(0.5)
3737                            .hover(|this| this.opacity(1.0))
3738                            .child(
3739                                IconButton::new("toggle-height", expand_icon)
3740                                    .icon_size(IconSize::Small)
3741                                    .icon_color(Color::Muted)
3742                                    .tooltip({
3743                                        move |window, cx| {
3744                                            Tooltip::for_action_in(
3745                                                expand_tooltip,
3746                                                &ExpandMessageEditor,
3747                                                &focus_handle,
3748                                                window,
3749                                                cx,
3750                                            )
3751                                        }
3752                                    })
3753                                    .on_click(cx.listener(|_, _, window, cx| {
3754                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3755                                    })),
3756                            ),
3757                    ),
3758            )
3759            .child(
3760                h_flex()
3761                    .flex_none()
3762                    .flex_wrap()
3763                    .justify_between()
3764                    .child(
3765                        h_flex()
3766                            .child(self.render_follow_toggle(cx))
3767                            .children(self.render_burn_mode_toggle(cx)),
3768                    )
3769                    .child(
3770                        h_flex()
3771                            .gap_1()
3772                            .children(self.render_token_usage(cx))
3773                            .children(self.profile_selector.clone())
3774                            .children(self.model_selector.clone())
3775                            .child(self.render_send_button(cx)),
3776                    ),
3777            )
3778            .when(!enable_editor, |this| this.child(backdrop))
3779            .into_any()
3780    }
3781
3782    pub(crate) fn as_native_connection(
3783        &self,
3784        cx: &App,
3785    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3786        let acp_thread = self.thread()?.read(cx);
3787        acp_thread.connection().clone().downcast()
3788    }
3789
3790    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3791        let acp_thread = self.thread()?.read(cx);
3792        self.as_native_connection(cx)?
3793            .thread(acp_thread.session_id(), cx)
3794    }
3795
3796    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3797        self.as_native_thread(cx)
3798            .and_then(|thread| thread.read(cx).model())
3799            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3800    }
3801
3802    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3803        let thread = self.thread()?.read(cx);
3804        let usage = thread.token_usage()?;
3805        let is_generating = thread.status() != ThreadStatus::Idle;
3806
3807        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3808        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3809
3810        Some(
3811            h_flex()
3812                .flex_shrink_0()
3813                .gap_0p5()
3814                .mr_1p5()
3815                .child(
3816                    Label::new(used)
3817                        .size(LabelSize::Small)
3818                        .color(Color::Muted)
3819                        .map(|label| {
3820                            if is_generating {
3821                                label
3822                                    .with_animation(
3823                                        "used-tokens-label",
3824                                        Animation::new(Duration::from_secs(2))
3825                                            .repeat()
3826                                            .with_easing(pulsating_between(0.3, 0.8)),
3827                                        |label, delta| label.alpha(delta),
3828                                    )
3829                                    .into_any()
3830                            } else {
3831                                label.into_any_element()
3832                            }
3833                        }),
3834                )
3835                .child(
3836                    Label::new("/")
3837                        .size(LabelSize::Small)
3838                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3839                )
3840                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3841        )
3842    }
3843
3844    fn toggle_burn_mode(
3845        &mut self,
3846        _: &ToggleBurnMode,
3847        _window: &mut Window,
3848        cx: &mut Context<Self>,
3849    ) {
3850        let Some(thread) = self.as_native_thread(cx) else {
3851            return;
3852        };
3853
3854        thread.update(cx, |thread, cx| {
3855            let current_mode = thread.completion_mode();
3856            thread.set_completion_mode(
3857                match current_mode {
3858                    CompletionMode::Burn => CompletionMode::Normal,
3859                    CompletionMode::Normal => CompletionMode::Burn,
3860                },
3861                cx,
3862            );
3863        });
3864    }
3865
3866    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3867        let Some(thread) = self.thread() else {
3868            return;
3869        };
3870        let action_log = thread.read(cx).action_log().clone();
3871        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3872    }
3873
3874    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3875        let Some(thread) = self.thread() else {
3876            return;
3877        };
3878        let action_log = thread.read(cx).action_log().clone();
3879        action_log
3880            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3881            .detach();
3882    }
3883
3884    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3885        let thread = self.as_native_thread(cx)?.read(cx);
3886
3887        if thread
3888            .model()
3889            .is_none_or(|model| !model.supports_burn_mode())
3890        {
3891            return None;
3892        }
3893
3894        let active_completion_mode = thread.completion_mode();
3895        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3896        let icon = if burn_mode_enabled {
3897            IconName::ZedBurnModeOn
3898        } else {
3899            IconName::ZedBurnMode
3900        };
3901
3902        Some(
3903            IconButton::new("burn-mode", icon)
3904                .icon_size(IconSize::Small)
3905                .icon_color(Color::Muted)
3906                .toggle_state(burn_mode_enabled)
3907                .selected_icon_color(Color::Error)
3908                .on_click(cx.listener(|this, _event, window, cx| {
3909                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3910                }))
3911                .tooltip(move |_window, cx| {
3912                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3913                        .into()
3914                })
3915                .into_any_element(),
3916        )
3917    }
3918
3919    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3920        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3921        let is_generating = self
3922            .thread()
3923            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3924
3925        if self.is_loading_contents {
3926            div()
3927                .id("loading-message-content")
3928                .px_1()
3929                .tooltip(Tooltip::text("Loading Added Context…"))
3930                .child(loading_contents_spinner(IconSize::default()))
3931                .into_any_element()
3932        } else if is_generating && is_editor_empty {
3933            IconButton::new("stop-generation", IconName::Stop)
3934                .icon_color(Color::Error)
3935                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3936                .tooltip(move |window, cx| {
3937                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3938                })
3939                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3940                .into_any_element()
3941        } else {
3942            let send_btn_tooltip = if is_editor_empty && !is_generating {
3943                "Type to Send"
3944            } else if is_generating {
3945                "Stop and Send Message"
3946            } else {
3947                "Send"
3948            };
3949
3950            IconButton::new("send-message", IconName::Send)
3951                .style(ButtonStyle::Filled)
3952                .map(|this| {
3953                    if is_editor_empty && !is_generating {
3954                        this.disabled(true).icon_color(Color::Muted)
3955                    } else {
3956                        this.icon_color(Color::Accent)
3957                    }
3958                })
3959                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3960                .on_click(cx.listener(|this, _, window, cx| {
3961                    this.send(window, cx);
3962                }))
3963                .into_any_element()
3964        }
3965    }
3966
3967    fn is_following(&self, cx: &App) -> bool {
3968        match self.thread().map(|thread| thread.read(cx).status()) {
3969            Some(ThreadStatus::Generating) => self
3970                .workspace
3971                .read_with(cx, |workspace, _| {
3972                    workspace.is_being_followed(CollaboratorId::Agent)
3973                })
3974                .unwrap_or(false),
3975            _ => self.should_be_following,
3976        }
3977    }
3978
3979    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3980        let following = self.is_following(cx);
3981
3982        self.should_be_following = !following;
3983        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
3984            self.workspace
3985                .update(cx, |workspace, cx| {
3986                    if following {
3987                        workspace.unfollow(CollaboratorId::Agent, window, cx);
3988                    } else {
3989                        workspace.follow(CollaboratorId::Agent, window, cx);
3990                    }
3991                })
3992                .ok();
3993        }
3994
3995        telemetry::event!("Follow Agent Selected", following = !following);
3996    }
3997
3998    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3999        let following = self.is_following(cx);
4000
4001        let tooltip_label = if following {
4002            if self.agent.name() == "Zed Agent" {
4003                format!("Stop Following the {}", self.agent.name())
4004            } else {
4005                format!("Stop Following {}", self.agent.name())
4006            }
4007        } else {
4008            if self.agent.name() == "Zed Agent" {
4009                format!("Follow the {}", self.agent.name())
4010            } else {
4011                format!("Follow {}", self.agent.name())
4012            }
4013        };
4014
4015        IconButton::new("follow-agent", IconName::Crosshair)
4016            .icon_size(IconSize::Small)
4017            .icon_color(Color::Muted)
4018            .toggle_state(following)
4019            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4020            .tooltip(move |window, cx| {
4021                if following {
4022                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
4023                } else {
4024                    Tooltip::with_meta(
4025                        tooltip_label.clone(),
4026                        Some(&Follow),
4027                        "Track the agent's location as it reads and edits files.",
4028                        window,
4029                        cx,
4030                    )
4031                }
4032            })
4033            .on_click(cx.listener(move |this, _, window, cx| {
4034                this.toggle_following(window, cx);
4035            }))
4036    }
4037
4038    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4039        let workspace = self.workspace.clone();
4040        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4041            Self::open_link(text, &workspace, window, cx);
4042        })
4043    }
4044
4045    fn open_link(
4046        url: SharedString,
4047        workspace: &WeakEntity<Workspace>,
4048        window: &mut Window,
4049        cx: &mut App,
4050    ) {
4051        let Some(workspace) = workspace.upgrade() else {
4052            cx.open_url(&url);
4053            return;
4054        };
4055
4056        if let Some(mention) = MentionUri::parse(&url).log_err() {
4057            workspace.update(cx, |workspace, cx| match mention {
4058                MentionUri::File { abs_path } => {
4059                    let project = workspace.project();
4060                    let Some(path) =
4061                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4062                    else {
4063                        return;
4064                    };
4065
4066                    workspace
4067                        .open_path(path, None, true, window, cx)
4068                        .detach_and_log_err(cx);
4069                }
4070                MentionUri::PastedImage => {}
4071                MentionUri::Directory { abs_path } => {
4072                    let project = workspace.project();
4073                    let Some(entry) = project.update(cx, |project, cx| {
4074                        let path = project.find_project_path(abs_path, cx)?;
4075                        project.entry_for_path(&path, cx)
4076                    }) else {
4077                        return;
4078                    };
4079
4080                    project.update(cx, |_, cx| {
4081                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
4082                    });
4083                }
4084                MentionUri::Symbol {
4085                    abs_path: path,
4086                    line_range,
4087                    ..
4088                }
4089                | MentionUri::Selection {
4090                    abs_path: Some(path),
4091                    line_range,
4092                } => {
4093                    let project = workspace.project();
4094                    let Some((path, _)) = project.update(cx, |project, cx| {
4095                        let path = project.find_project_path(path, cx)?;
4096                        let entry = project.entry_for_path(&path, cx)?;
4097                        Some((path, entry))
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}