project.rs

   1pub mod agent_registry_store;
   2pub mod agent_server_store;
   3pub mod buffer_store;
   4pub mod color_extractor;
   5pub mod connection_manager;
   6pub mod context_server_store;
   7pub mod debounced_delay;
   8pub mod debugger;
   9pub mod git_store;
  10pub mod image_store;
  11pub mod lsp_command;
  12pub mod lsp_store;
  13pub mod manifest_tree;
  14pub mod prettier_store;
  15pub mod project_search;
  16pub mod project_settings;
  17pub mod search;
  18pub mod task_inventory;
  19pub mod task_store;
  20pub mod telemetry_snapshot;
  21pub mod terminals;
  22pub mod toolchain_store;
  23pub mod trusted_worktrees;
  24pub mod worktree_store;
  25
  26mod environment;
  27use buffer_diff::BufferDiff;
  28use context_server_store::ContextServerStore;
  29pub use environment::ProjectEnvironmentEvent;
  30use git::repository::get_git_committer;
  31use git_store::{Repository, RepositoryId};
  32pub mod search_history;
  33pub mod yarn;
  34
  35use dap::inline_value::{InlineValueLocation, VariableLookupKind, VariableScope};
  36use itertools::{Either, Itertools};
  37
  38use crate::{
  39    git_store::GitStore,
  40    lsp_store::{SymbolLocation, log_store::LogKind},
  41    project_search::SearchResultsHandle,
  42    trusted_worktrees::{PathTrust, RemoteHostLocation, TrustedWorktrees},
  43    worktree_store::WorktreeIdCounter,
  44};
  45pub use agent_registry_store::{AgentRegistryStore, RegistryAgent};
  46pub use agent_server_store::{AgentId, AgentServerStore, AgentServersUpdated, ExternalAgentSource};
  47pub use git_store::{
  48    ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate,
  49    git_traversal::{ChildEntriesGitIter, GitEntry, GitEntryRef, GitTraversal},
  50    linked_worktree_short_name, worktrees_directory_for_repo,
  51};
  52pub use manifest_tree::ManifestTree;
  53pub use project_search::{Search, SearchResults};
  54
  55use anyhow::{Context as _, Result, anyhow};
  56use buffer_store::{BufferStore, BufferStoreEvent};
  57use client::{
  58    Client, Collaborator, PendingEntitySubscription, ProjectId, TypedEnvelope, UserStore, proto,
  59};
  60use clock::ReplicaId;
  61
  62use dap::client::DebugAdapterClient;
  63
  64use collections::{BTreeSet, HashMap, HashSet, IndexSet};
  65use debounced_delay::DebouncedDelay;
  66pub use debugger::breakpoint_store::BreakpointWithPosition;
  67use debugger::{
  68    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  69    dap_store::{DapStore, DapStoreEvent},
  70    session::Session,
  71};
  72
  73pub use environment::ProjectEnvironment;
  74
  75use futures::{
  76    StreamExt,
  77    channel::mpsc::{self, UnboundedReceiver},
  78    future::try_join_all,
  79};
  80pub use image_store::{ImageItem, ImageStore};
  81use image_store::{ImageItemEvent, ImageStoreEvent};
  82
  83use ::git::{blame::Blame, status::FileStatus};
  84use gpui::{
  85    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  86    Task, WeakEntity, Window,
  87};
  88use language::{
  89    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, DiskState, Language, LanguageName,
  90    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainMetadata,
  91    ToolchainScope, Transaction, Unclipped, language_settings::InlayHintKind,
  92    proto::split_operations,
  93};
  94use lsp::{
  95    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  96    LanguageServerBinary, LanguageServerId, LanguageServerName, LanguageServerSelector,
  97    MessageActionItem,
  98};
  99use lsp_command::*;
 100use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
 101pub use manifest_tree::ManifestProvidersStore;
 102use node_runtime::NodeRuntime;
 103use parking_lot::Mutex;
 104pub use prettier_store::PrettierStore;
 105use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
 106#[cfg(target_os = "windows")]
 107use remote::wsl_path_to_windows_path;
 108use remote::{RemoteClient, RemoteConnectionOptions};
 109use rpc::{
 110    AnyProtoClient, ErrorCode,
 111    proto::{LanguageServerPromptResponse, REMOTE_SERVER_PROJECT_ID},
 112};
 113use search::{SearchInputKind, SearchQuery, SearchResult};
 114use search_history::SearchHistory;
 115use settings::{InvalidSettingsError, RegisterSetting, Settings, SettingsLocation, SettingsStore};
 116use snippet::Snippet;
 117pub use snippet_provider;
 118use snippet_provider::SnippetProvider;
 119use std::{
 120    borrow::Cow,
 121    collections::BTreeMap,
 122    ffi::OsString,
 123    future::Future,
 124    ops::{Not as _, Range},
 125    path::{Path, PathBuf},
 126    pin::pin,
 127    str::{self, FromStr},
 128    sync::Arc,
 129    time::Duration,
 130};
 131
 132use task_store::TaskStore;
 133use terminals::Terminals;
 134use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 135use toolchain_store::EmptyToolchainStore;
 136use util::{
 137    ResultExt as _, maybe,
 138    path_list::PathList,
 139    paths::{PathStyle, SanitizedPath, is_absolute},
 140    rel_path::RelPath,
 141};
 142use worktree::{CreatedEntry, Snapshot, Traversal};
 143pub use worktree::{
 144    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 145    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 146};
 147use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 148
 149pub use fs::*;
 150pub use language::Location;
 151#[cfg(any(test, feature = "test-support"))]
 152pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 153pub use task_inventory::{
 154    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 155    TaskSourceKind,
 156};
 157
 158pub use buffer_store::ProjectTransaction;
 159pub use lsp_store::{
 160    DiagnosticSummary, InvalidationStrategy, LanguageServerLogType, LanguageServerProgress,
 161    LanguageServerPromptRequest, LanguageServerStatus, LanguageServerToQuery, LspStore,
 162    LspStoreEvent, ProgressToken, SERVER_PROGRESS_THROTTLE_TIMEOUT,
 163};
 164pub use toolchain_store::{ToolchainStore, Toolchains};
 165const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 166
 167#[derive(Clone, Copy, Debug)]
 168pub struct LocalProjectFlags {
 169    pub init_worktree_trust: bool,
 170    pub watch_global_configs: bool,
 171}
 172
 173impl Default for LocalProjectFlags {
 174    fn default() -> Self {
 175        Self {
 176            init_worktree_trust: true,
 177            watch_global_configs: true,
 178        }
 179    }
 180}
 181
 182pub trait ProjectItem: 'static {
 183    fn try_open(
 184        project: &Entity<Project>,
 185        path: &ProjectPath,
 186        cx: &mut App,
 187    ) -> Option<Task<Result<Entity<Self>>>>
 188    where
 189        Self: Sized;
 190    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 191    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 192    fn is_dirty(&self) -> bool;
 193}
 194
 195#[derive(Clone)]
 196pub enum OpenedBufferEvent {
 197    Disconnected,
 198    Ok(BufferId),
 199    Err(BufferId, Arc<anyhow::Error>),
 200}
 201
 202/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 203/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 204/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 205///
 206/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 207pub struct Project {
 208    active_entry: Option<ProjectEntryId>,
 209    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 210    languages: Arc<LanguageRegistry>,
 211    dap_store: Entity<DapStore>,
 212    agent_server_store: Entity<AgentServerStore>,
 213
 214    breakpoint_store: Entity<BreakpointStore>,
 215    collab_client: Arc<client::Client>,
 216    join_project_response_message_id: u32,
 217    task_store: Entity<TaskStore>,
 218    user_store: Entity<UserStore>,
 219    fs: Arc<dyn Fs>,
 220    remote_client: Option<Entity<RemoteClient>>,
 221    // todo lw explain the client_state x remote_client matrix, its super confusing
 222    client_state: ProjectClientState,
 223    git_store: Entity<GitStore>,
 224    collaborators: HashMap<proto::PeerId, Collaborator>,
 225    client_subscriptions: Vec<client::Subscription>,
 226    worktree_store: Entity<WorktreeStore>,
 227    buffer_store: Entity<BufferStore>,
 228    context_server_store: Entity<ContextServerStore>,
 229    image_store: Entity<ImageStore>,
 230    lsp_store: Entity<LspStore>,
 231    _subscriptions: Vec<gpui::Subscription>,
 232    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 233    git_diff_debouncer: DebouncedDelay<Self>,
 234    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 235    terminals: Terminals,
 236    node: Option<NodeRuntime>,
 237    search_history: SearchHistory,
 238    search_included_history: SearchHistory,
 239    search_excluded_history: SearchHistory,
 240    snippets: Entity<SnippetProvider>,
 241    environment: Entity<ProjectEnvironment>,
 242    settings_observer: Entity<SettingsObserver>,
 243    toolchain_store: Option<Entity<ToolchainStore>>,
 244    agent_location: Option<AgentLocation>,
 245    downloading_files: Arc<Mutex<HashMap<(WorktreeId, String), DownloadingFile>>>,
 246}
 247
 248struct DownloadingFile {
 249    destination_path: PathBuf,
 250    chunks: Vec<u8>,
 251    total_size: u64,
 252    file_id: Option<u64>, // Set when we receive the State message
 253}
 254
 255#[derive(Clone, Debug, PartialEq, Eq)]
 256pub struct AgentLocation {
 257    pub buffer: WeakEntity<Buffer>,
 258    pub position: Anchor,
 259}
 260
 261#[derive(Default)]
 262struct RemotelyCreatedModels {
 263    worktrees: Vec<Entity<Worktree>>,
 264    buffers: Vec<Entity<Buffer>>,
 265    retain_count: usize,
 266}
 267
 268struct RemotelyCreatedModelGuard {
 269    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 270}
 271
 272impl Drop for RemotelyCreatedModelGuard {
 273    fn drop(&mut self) {
 274        if let Some(remote_models) = self.remote_models.upgrade() {
 275            let mut remote_models = remote_models.lock();
 276            assert!(
 277                remote_models.retain_count > 0,
 278                "RemotelyCreatedModelGuard dropped too many times"
 279            );
 280            remote_models.retain_count -= 1;
 281            if remote_models.retain_count == 0 {
 282                remote_models.buffers.clear();
 283                remote_models.worktrees.clear();
 284            }
 285        }
 286    }
 287}
 288/// Message ordered with respect to buffer operations
 289#[derive(Debug)]
 290enum BufferOrderedMessage {
 291    Operation {
 292        buffer_id: BufferId,
 293        operation: proto::Operation,
 294    },
 295    LanguageServerUpdate {
 296        language_server_id: LanguageServerId,
 297        message: proto::update_language_server::Variant,
 298        name: Option<LanguageServerName>,
 299    },
 300    Resync,
 301}
 302
 303#[derive(Debug)]
 304enum ProjectClientState {
 305    /// Single-player mode.
 306    Local,
 307    /// Multi-player mode but still a local project.
 308    Shared { remote_id: u64 },
 309    /// Multi-player mode but working on a remote project.
 310    Collab {
 311        sharing_has_stopped: bool,
 312        capability: Capability,
 313        remote_id: u64,
 314        replica_id: ReplicaId,
 315    },
 316}
 317
 318/// A link to display in a toast notification, useful to point to documentation.
 319#[derive(PartialEq, Debug, Clone)]
 320pub struct ToastLink {
 321    pub label: &'static str,
 322    pub url: &'static str,
 323}
 324
 325#[derive(Clone, Debug, PartialEq)]
 326pub enum Event {
 327    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 328    LanguageServerRemoved(LanguageServerId),
 329    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 330    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 331    // Zed's buffer-related data is updated accordingly.
 332    LanguageServerBufferRegistered {
 333        server_id: LanguageServerId,
 334        buffer_id: BufferId,
 335        buffer_abs_path: PathBuf,
 336        name: Option<LanguageServerName>,
 337    },
 338    ToggleLspLogs {
 339        server_id: LanguageServerId,
 340        enabled: bool,
 341        toggled_log_kind: LogKind,
 342    },
 343    Toast {
 344        notification_id: SharedString,
 345        message: String,
 346        /// Optional link to display as a button in the toast.
 347        link: Option<ToastLink>,
 348    },
 349    HideToast {
 350        notification_id: SharedString,
 351    },
 352    LanguageServerPrompt(LanguageServerPromptRequest),
 353    LanguageNotFound(Entity<Buffer>),
 354    ActiveEntryChanged(Option<ProjectEntryId>),
 355    ActivateProjectPanel,
 356    WorktreeAdded(WorktreeId),
 357    WorktreeOrderChanged,
 358    WorktreeRemoved(WorktreeId),
 359    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 360    DiskBasedDiagnosticsStarted {
 361        language_server_id: LanguageServerId,
 362    },
 363    DiskBasedDiagnosticsFinished {
 364        language_server_id: LanguageServerId,
 365    },
 366    DiagnosticsUpdated {
 367        paths: Vec<ProjectPath>,
 368        language_server_id: LanguageServerId,
 369    },
 370    RemoteIdChanged(Option<u64>),
 371    DisconnectedFromHost,
 372    DisconnectedFromRemote {
 373        server_not_running: bool,
 374    },
 375    Closed,
 376    DeletedEntry(WorktreeId, ProjectEntryId),
 377    CollaboratorUpdated {
 378        old_peer_id: proto::PeerId,
 379        new_peer_id: proto::PeerId,
 380    },
 381    CollaboratorJoined(proto::PeerId),
 382    CollaboratorLeft(proto::PeerId),
 383    HostReshared,
 384    Reshared,
 385    Rejoined,
 386    RefreshInlayHints {
 387        server_id: LanguageServerId,
 388        request_id: Option<usize>,
 389    },
 390    RefreshSemanticTokens {
 391        server_id: LanguageServerId,
 392        request_id: Option<usize>,
 393    },
 394    RefreshCodeLens,
 395    RevealInProjectPanel(ProjectEntryId),
 396    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 397    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 398    EntryRenamed(ProjectTransaction, ProjectPath, PathBuf),
 399    WorkspaceEditApplied(ProjectTransaction),
 400    AgentLocationChanged,
 401    BufferEdited,
 402}
 403
 404pub struct AgentLocationChanged;
 405
 406pub enum DebugAdapterClientState {
 407    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 408    Running(Arc<DebugAdapterClient>),
 409}
 410
 411#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 412pub struct ProjectPath {
 413    pub worktree_id: WorktreeId,
 414    pub path: Arc<RelPath>,
 415}
 416
 417impl ProjectPath {
 418    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 419        ProjectPath {
 420            worktree_id: value.worktree_id(cx),
 421            path: value.path().clone(),
 422        }
 423    }
 424
 425    pub fn from_proto(p: proto::ProjectPath) -> Option<Self> {
 426        Some(Self {
 427            worktree_id: WorktreeId::from_proto(p.worktree_id),
 428            path: RelPath::from_proto(&p.path).log_err()?,
 429        })
 430    }
 431
 432    pub fn to_proto(&self) -> proto::ProjectPath {
 433        proto::ProjectPath {
 434            worktree_id: self.worktree_id.to_proto(),
 435            path: self.path.as_ref().to_proto(),
 436        }
 437    }
 438
 439    pub fn root_path(worktree_id: WorktreeId) -> Self {
 440        Self {
 441            worktree_id,
 442            path: RelPath::empty().into(),
 443        }
 444    }
 445
 446    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 447        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 448    }
 449}
 450
 451#[derive(Debug, Default)]
 452pub enum PrepareRenameResponse {
 453    Success(Range<Anchor>),
 454    OnlyUnpreparedRenameSupported,
 455    #[default]
 456    InvalidPosition,
 457}
 458
 459#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 460pub enum InlayId {
 461    EditPrediction(usize),
 462    DebuggerValue(usize),
 463    // LSP
 464    Hint(usize),
 465    Color(usize),
 466    ReplResult(usize),
 467}
 468
 469impl InlayId {
 470    pub fn id(&self) -> usize {
 471        match self {
 472            Self::EditPrediction(id) => *id,
 473            Self::DebuggerValue(id) => *id,
 474            Self::Hint(id) => *id,
 475            Self::Color(id) => *id,
 476            Self::ReplResult(id) => *id,
 477        }
 478    }
 479}
 480
 481#[derive(Debug, Clone, PartialEq, Eq)]
 482pub struct InlayHint {
 483    pub position: language::Anchor,
 484    pub label: InlayHintLabel,
 485    pub kind: Option<InlayHintKind>,
 486    pub padding_left: bool,
 487    pub padding_right: bool,
 488    pub tooltip: Option<InlayHintTooltip>,
 489    pub resolve_state: ResolveState,
 490}
 491
 492/// The user's intent behind a given completion confirmation.
 493#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 494pub enum CompletionIntent {
 495    /// The user intends to 'commit' this result, if possible.
 496    /// Completion confirmations should run side effects.
 497    ///
 498    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 499    Complete,
 500    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 501    CompleteWithInsert,
 502    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 503    CompleteWithReplace,
 504    /// The user intends to continue 'composing' this completion.
 505    /// Completion confirmations should not run side effects and
 506    /// let the user continue composing their action.
 507    Compose,
 508}
 509
 510impl CompletionIntent {
 511    pub fn is_complete(&self) -> bool {
 512        self == &Self::Complete
 513    }
 514
 515    pub fn is_compose(&self) -> bool {
 516        self == &Self::Compose
 517    }
 518}
 519
 520/// Similar to `CoreCompletion`, but with extra metadata attached.
 521#[derive(Clone)]
 522pub struct Completion {
 523    /// The range of text that will be replaced by this completion.
 524    pub replace_range: Range<Anchor>,
 525    /// The new text that will be inserted.
 526    pub new_text: String,
 527    /// A label for this completion that is shown in the menu.
 528    pub label: CodeLabel,
 529    /// The documentation for this completion.
 530    pub documentation: Option<CompletionDocumentation>,
 531    /// Completion data source which it was constructed from.
 532    pub source: CompletionSource,
 533    /// A path to an icon for this completion that is shown in the menu.
 534    pub icon_path: Option<SharedString>,
 535    /// Text starting here and ending at the cursor will be used as the query for filtering this completion.
 536    ///
 537    /// If None, the start of the surrounding word is used.
 538    pub match_start: Option<text::Anchor>,
 539    /// Key used for de-duplicating snippets. If None, always considered unique.
 540    pub snippet_deduplication_key: Option<(usize, usize)>,
 541    /// Whether to adjust indentation (the default) or not.
 542    pub insert_text_mode: Option<InsertTextMode>,
 543    /// An optional callback to invoke when this completion is confirmed.
 544    /// Returns whether new completions should be retriggered after the current one.
 545    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 546    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 547    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 548}
 549
 550#[derive(Debug, Clone)]
 551pub enum CompletionSource {
 552    Lsp {
 553        /// The alternate `insert` range, if provided by the LSP server.
 554        insert_range: Option<Range<Anchor>>,
 555        /// The id of the language server that produced this completion.
 556        server_id: LanguageServerId,
 557        /// The raw completion provided by the language server.
 558        lsp_completion: Box<lsp::CompletionItem>,
 559        /// A set of defaults for this completion item.
 560        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 561        /// Whether this completion has been resolved, to ensure it happens once per completion.
 562        resolved: bool,
 563    },
 564    Dap {
 565        /// The sort text for this completion.
 566        sort_text: String,
 567    },
 568    Custom,
 569    BufferWord {
 570        word_range: Range<Anchor>,
 571        resolved: bool,
 572    },
 573}
 574
 575impl CompletionSource {
 576    pub fn server_id(&self) -> Option<LanguageServerId> {
 577        if let CompletionSource::Lsp { server_id, .. } = self {
 578            Some(*server_id)
 579        } else {
 580            None
 581        }
 582    }
 583
 584    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 585        if let Self::Lsp {
 586            lsp_completion,
 587            lsp_defaults,
 588            ..
 589        } = self
 590        {
 591            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
 592                let mut completion_with_defaults = *lsp_completion.clone();
 593                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 594                let default_edit_range = lsp_defaults.edit_range.as_ref();
 595                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 596                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 597
 598                if default_commit_characters.is_some()
 599                    || default_edit_range.is_some()
 600                    || default_insert_text_format.is_some()
 601                    || default_insert_text_mode.is_some()
 602                {
 603                    if completion_with_defaults.commit_characters.is_none()
 604                        && default_commit_characters.is_some()
 605                    {
 606                        completion_with_defaults.commit_characters =
 607                            default_commit_characters.cloned()
 608                    }
 609                    if completion_with_defaults.text_edit.is_none() {
 610                        match default_edit_range {
 611                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 612                                completion_with_defaults.text_edit =
 613                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 614                                        range: *range,
 615                                        new_text: completion_with_defaults.label.clone(),
 616                                    }))
 617                            }
 618                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 619                                insert,
 620                                replace,
 621                            }) => {
 622                                completion_with_defaults.text_edit =
 623                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 624                                        lsp::InsertReplaceEdit {
 625                                            new_text: completion_with_defaults.label.clone(),
 626                                            insert: *insert,
 627                                            replace: *replace,
 628                                        },
 629                                    ))
 630                            }
 631                            None => {}
 632                        }
 633                    }
 634                    if completion_with_defaults.insert_text_format.is_none()
 635                        && default_insert_text_format.is_some()
 636                    {
 637                        completion_with_defaults.insert_text_format =
 638                            default_insert_text_format.cloned()
 639                    }
 640                    if completion_with_defaults.insert_text_mode.is_none()
 641                        && default_insert_text_mode.is_some()
 642                    {
 643                        completion_with_defaults.insert_text_mode =
 644                            default_insert_text_mode.cloned()
 645                    }
 646                }
 647                return Some(Cow::Owned(completion_with_defaults));
 648            }
 649            Some(Cow::Borrowed(lsp_completion))
 650        } else {
 651            None
 652        }
 653    }
 654}
 655
 656impl std::fmt::Debug for Completion {
 657    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 658        f.debug_struct("Completion")
 659            .field("replace_range", &self.replace_range)
 660            .field("new_text", &self.new_text)
 661            .field("label", &self.label)
 662            .field("documentation", &self.documentation)
 663            .field("source", &self.source)
 664            .finish()
 665    }
 666}
 667
 668/// Response from a source of completions.
 669pub struct CompletionResponse {
 670    pub completions: Vec<Completion>,
 671    pub display_options: CompletionDisplayOptions,
 672    /// When false, indicates that the list is complete and does not need to be re-queried if it
 673    /// can be filtered instead.
 674    pub is_incomplete: bool,
 675}
 676
 677#[derive(Default)]
 678pub struct CompletionDisplayOptions {
 679    pub dynamic_width: bool,
 680}
 681
 682impl CompletionDisplayOptions {
 683    pub fn merge(&mut self, other: &CompletionDisplayOptions) {
 684        self.dynamic_width = self.dynamic_width && other.dynamic_width;
 685    }
 686}
 687
 688/// Response from language server completion request.
 689#[derive(Clone, Debug, Default)]
 690pub(crate) struct CoreCompletionResponse {
 691    pub completions: Vec<CoreCompletion>,
 692    /// When false, indicates that the list is complete and does not need to be re-queried if it
 693    /// can be filtered instead.
 694    pub is_incomplete: bool,
 695}
 696
 697/// A generic completion that can come from different sources.
 698#[derive(Clone, Debug)]
 699pub(crate) struct CoreCompletion {
 700    replace_range: Range<Anchor>,
 701    new_text: String,
 702    source: CompletionSource,
 703}
 704
 705/// A code action provided by a language server.
 706#[derive(Clone, Debug, PartialEq)]
 707pub struct CodeAction {
 708    /// The id of the language server that produced this code action.
 709    pub server_id: LanguageServerId,
 710    /// The range of the buffer where this code action is applicable.
 711    pub range: Range<Anchor>,
 712    /// The raw code action provided by the language server.
 713    /// Can be either an action or a command.
 714    pub lsp_action: LspAction,
 715    /// Whether the action needs to be resolved using the language server.
 716    pub resolved: bool,
 717}
 718
 719/// An action sent back by a language server.
 720#[derive(Clone, Debug, PartialEq)]
 721pub enum LspAction {
 722    /// An action with the full data, may have a command or may not.
 723    /// May require resolving.
 724    Action(Box<lsp::CodeAction>),
 725    /// A command data to run as an action.
 726    Command(lsp::Command),
 727    /// A code lens data to run as an action.
 728    CodeLens(lsp::CodeLens),
 729}
 730
 731impl LspAction {
 732    pub fn title(&self) -> &str {
 733        match self {
 734            Self::Action(action) => &action.title,
 735            Self::Command(command) => &command.title,
 736            Self::CodeLens(lens) => lens
 737                .command
 738                .as_ref()
 739                .map(|command| command.title.as_str())
 740                .unwrap_or("Unknown command"),
 741        }
 742    }
 743
 744    pub fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 745        match self {
 746            Self::Action(action) => action.kind.clone(),
 747            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 748            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 749        }
 750    }
 751
 752    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 753        match self {
 754            Self::Action(action) => action.edit.as_ref(),
 755            Self::Command(_) => None,
 756            Self::CodeLens(_) => None,
 757        }
 758    }
 759
 760    fn command(&self) -> Option<&lsp::Command> {
 761        match self {
 762            Self::Action(action) => action.command.as_ref(),
 763            Self::Command(command) => Some(command),
 764            Self::CodeLens(lens) => lens.command.as_ref(),
 765        }
 766    }
 767}
 768
 769#[derive(Debug, Clone, PartialEq, Eq)]
 770pub enum ResolveState {
 771    Resolved,
 772    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 773    Resolving,
 774}
 775impl InlayHint {
 776    pub fn text(&self) -> Rope {
 777        match &self.label {
 778            InlayHintLabel::String(s) => Rope::from(s),
 779            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
 780        }
 781    }
 782}
 783
 784#[derive(Debug, Clone, PartialEq, Eq)]
 785pub enum InlayHintLabel {
 786    String(String),
 787    LabelParts(Vec<InlayHintLabelPart>),
 788}
 789
 790#[derive(Debug, Clone, PartialEq, Eq)]
 791pub struct InlayHintLabelPart {
 792    pub value: String,
 793    pub tooltip: Option<InlayHintLabelPartTooltip>,
 794    pub location: Option<(LanguageServerId, lsp::Location)>,
 795}
 796
 797#[derive(Debug, Clone, PartialEq, Eq)]
 798pub enum InlayHintTooltip {
 799    String(String),
 800    MarkupContent(MarkupContent),
 801}
 802
 803#[derive(Debug, Clone, PartialEq, Eq)]
 804pub enum InlayHintLabelPartTooltip {
 805    String(String),
 806    MarkupContent(MarkupContent),
 807}
 808
 809#[derive(Debug, Clone, PartialEq, Eq)]
 810pub struct MarkupContent {
 811    pub kind: HoverBlockKind,
 812    pub value: String,
 813}
 814
 815#[derive(Debug, Clone, PartialEq)]
 816pub struct LocationLink {
 817    pub origin: Option<Location>,
 818    pub target: Location,
 819}
 820
 821#[derive(Debug)]
 822pub struct DocumentHighlight {
 823    pub range: Range<language::Anchor>,
 824    pub kind: DocumentHighlightKind,
 825}
 826
 827#[derive(Clone, Debug)]
 828pub struct Symbol {
 829    pub language_server_name: LanguageServerName,
 830    pub source_worktree_id: WorktreeId,
 831    pub source_language_server_id: LanguageServerId,
 832    pub path: SymbolLocation,
 833    pub label: CodeLabel,
 834    pub name: String,
 835    pub kind: lsp::SymbolKind,
 836    pub range: Range<Unclipped<PointUtf16>>,
 837    pub container_name: Option<String>,
 838}
 839
 840#[derive(Clone, Debug)]
 841pub struct DocumentSymbol {
 842    pub name: String,
 843    pub kind: lsp::SymbolKind,
 844    pub range: Range<Unclipped<PointUtf16>>,
 845    pub selection_range: Range<Unclipped<PointUtf16>>,
 846    pub children: Vec<DocumentSymbol>,
 847}
 848
 849#[derive(Clone, Debug, PartialEq)]
 850pub struct HoverBlock {
 851    pub text: String,
 852    pub kind: HoverBlockKind,
 853}
 854
 855#[derive(Clone, Debug, PartialEq, Eq)]
 856pub enum HoverBlockKind {
 857    PlainText,
 858    Markdown,
 859    Code { language: String },
 860}
 861
 862#[derive(Debug, Clone)]
 863pub struct Hover {
 864    pub contents: Vec<HoverBlock>,
 865    pub range: Option<Range<language::Anchor>>,
 866    pub language: Option<Arc<Language>>,
 867}
 868
 869impl Hover {
 870    pub fn is_empty(&self) -> bool {
 871        self.contents.iter().all(|block| block.text.is_empty())
 872    }
 873}
 874
 875enum EntitySubscription {
 876    Project(PendingEntitySubscription<Project>),
 877    BufferStore(PendingEntitySubscription<BufferStore>),
 878    GitStore(PendingEntitySubscription<GitStore>),
 879    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 880    LspStore(PendingEntitySubscription<LspStore>),
 881    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 882    DapStore(PendingEntitySubscription<DapStore>),
 883    BreakpointStore(PendingEntitySubscription<BreakpointStore>),
 884}
 885
 886#[derive(Debug, Clone)]
 887pub struct DirectoryItem {
 888    pub path: PathBuf,
 889    pub is_dir: bool,
 890}
 891
 892#[derive(Clone, Debug, PartialEq)]
 893pub struct DocumentColor {
 894    pub lsp_range: lsp::Range,
 895    pub color: lsp::Color,
 896    pub resolved: bool,
 897    pub color_presentations: Vec<ColorPresentation>,
 898}
 899
 900impl Eq for DocumentColor {}
 901
 902impl std::hash::Hash for DocumentColor {
 903    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 904        self.lsp_range.hash(state);
 905        self.color.red.to_bits().hash(state);
 906        self.color.green.to_bits().hash(state);
 907        self.color.blue.to_bits().hash(state);
 908        self.color.alpha.to_bits().hash(state);
 909        self.resolved.hash(state);
 910        self.color_presentations.hash(state);
 911    }
 912}
 913
 914#[derive(Clone, Debug, PartialEq, Eq)]
 915pub struct ColorPresentation {
 916    pub label: SharedString,
 917    pub text_edit: Option<lsp::TextEdit>,
 918    pub additional_text_edits: Vec<lsp::TextEdit>,
 919}
 920
 921impl std::hash::Hash for ColorPresentation {
 922    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 923        self.label.hash(state);
 924        if let Some(ref edit) = self.text_edit {
 925            edit.range.hash(state);
 926            edit.new_text.hash(state);
 927        }
 928        self.additional_text_edits.len().hash(state);
 929        for edit in &self.additional_text_edits {
 930            edit.range.hash(state);
 931            edit.new_text.hash(state);
 932        }
 933    }
 934}
 935
 936#[derive(Clone)]
 937pub enum DirectoryLister {
 938    Project(Entity<Project>),
 939    Local(Entity<Project>, Arc<dyn Fs>),
 940}
 941
 942impl std::fmt::Debug for DirectoryLister {
 943    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 944        match self {
 945            DirectoryLister::Project(project) => {
 946                write!(f, "DirectoryLister::Project({project:?})")
 947            }
 948            DirectoryLister::Local(project, _) => {
 949                write!(f, "DirectoryLister::Local({project:?})")
 950            }
 951        }
 952    }
 953}
 954
 955impl DirectoryLister {
 956    pub fn is_local(&self, cx: &App) -> bool {
 957        match self {
 958            DirectoryLister::Local(..) => true,
 959            DirectoryLister::Project(project) => project.read(cx).is_local(),
 960        }
 961    }
 962
 963    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 964        if self.is_local(cx) {
 965            shellexpand::tilde(path)
 966        } else {
 967            Cow::from(path)
 968        }
 969    }
 970
 971    pub fn default_query(&self, cx: &mut App) -> String {
 972        let project = match self {
 973            DirectoryLister::Project(project) => project,
 974            DirectoryLister::Local(project, _) => project,
 975        }
 976        .read(cx);
 977        let path_style = project.path_style(cx);
 978        project
 979            .visible_worktrees(cx)
 980            .next()
 981            .map(|worktree| worktree.read(cx).abs_path().to_string_lossy().into_owned())
 982            .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().into_owned()))
 983            .map(|mut s| {
 984                s.push_str(path_style.primary_separator());
 985                s
 986            })
 987            .unwrap_or_else(|| {
 988                if path_style.is_windows() {
 989                    "C:\\"
 990                } else {
 991                    "~/"
 992                }
 993                .to_string()
 994            })
 995    }
 996
 997    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 998        match self {
 999            DirectoryLister::Project(project) => {
1000                project.update(cx, |project, cx| project.list_directory(path, cx))
1001            }
1002            DirectoryLister::Local(_, fs) => {
1003                let fs = fs.clone();
1004                cx.background_spawn(async move {
1005                    let mut results = vec![];
1006                    let expanded = shellexpand::tilde(&path);
1007                    let query = Path::new(expanded.as_ref());
1008                    let mut response = fs.read_dir(query).await?;
1009                    while let Some(path) = response.next().await {
1010                        let path = path?;
1011                        if let Some(file_name) = path.file_name() {
1012                            results.push(DirectoryItem {
1013                                path: PathBuf::from(file_name.to_os_string()),
1014                                is_dir: fs.is_dir(&path).await,
1015                            });
1016                        }
1017                    }
1018                    Ok(results)
1019                })
1020            }
1021        }
1022    }
1023
1024    pub fn path_style(&self, cx: &App) -> PathStyle {
1025        match self {
1026            Self::Local(project, ..) | Self::Project(project, ..) => {
1027                project.read(cx).path_style(cx)
1028            }
1029        }
1030    }
1031}
1032
1033#[cfg(feature = "test-support")]
1034pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
1035    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
1036    trigger_character: None,
1037};
1038
1039/// An LSP diagnostics associated with a certain language server.
1040#[derive(Clone, Debug, Default)]
1041pub enum LspPullDiagnostics {
1042    #[default]
1043    Default,
1044    Response {
1045        /// The id of the language server that produced diagnostics.
1046        server_id: LanguageServerId,
1047        /// URI of the resource,
1048        uri: lsp::Uri,
1049        /// The ID provided by the dynamic registration that produced diagnostics.
1050        registration_id: Option<SharedString>,
1051        /// The diagnostics produced by this language server.
1052        diagnostics: PulledDiagnostics,
1053    },
1054}
1055
1056#[derive(Clone, Debug)]
1057pub enum PulledDiagnostics {
1058    Unchanged {
1059        /// An ID the current pulled batch for this file.
1060        /// If given, can be used to query workspace diagnostics partially.
1061        result_id: SharedString,
1062    },
1063    Changed {
1064        result_id: Option<SharedString>,
1065        diagnostics: Vec<lsp::Diagnostic>,
1066    },
1067}
1068
1069/// Whether to disable all AI features in Zed.
1070///
1071/// Default: false
1072#[derive(Copy, Clone, Debug, RegisterSetting)]
1073pub struct DisableAiSettings {
1074    pub disable_ai: bool,
1075}
1076
1077impl settings::Settings for DisableAiSettings {
1078    fn from_settings(content: &settings::SettingsContent) -> Self {
1079        Self {
1080            disable_ai: content.project.disable_ai.unwrap().0,
1081        }
1082    }
1083}
1084
1085impl DisableAiSettings {
1086    /// Returns whether AI is disabled for the given file.
1087    ///
1088    /// This checks the project-level settings for the file's worktree,
1089    /// allowing `disable_ai` to be configured per-project in `.zed/settings.json`.
1090    pub fn is_ai_disabled_for_buffer(buffer: Option<&Entity<Buffer>>, cx: &App) -> bool {
1091        Self::is_ai_disabled_for_file(buffer.and_then(|buffer| buffer.read(cx).file()), cx)
1092    }
1093
1094    pub fn is_ai_disabled_for_file(file: Option<&Arc<dyn language::File>>, cx: &App) -> bool {
1095        let location = file.map(|f| settings::SettingsLocation {
1096            worktree_id: f.worktree_id(cx),
1097            path: f.path().as_ref(),
1098        });
1099        Self::get(location, cx).disable_ai
1100    }
1101}
1102
1103impl Project {
1104    pub fn init(client: &Arc<Client>, cx: &mut App) {
1105        connection_manager::init(client.clone(), cx);
1106
1107        let client: AnyProtoClient = client.clone().into();
1108        client.add_entity_message_handler(Self::handle_add_collaborator);
1109        client.add_entity_message_handler(Self::handle_update_project_collaborator);
1110        client.add_entity_message_handler(Self::handle_remove_collaborator);
1111        client.add_entity_message_handler(Self::handle_update_project);
1112        client.add_entity_message_handler(Self::handle_unshare_project);
1113        client.add_entity_request_handler(Self::handle_update_buffer);
1114        client.add_entity_message_handler(Self::handle_update_worktree);
1115        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1116
1117        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1118        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1119        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1120        client.add_entity_request_handler(Self::handle_open_new_buffer);
1121        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1122        client.add_entity_message_handler(Self::handle_toggle_lsp_logs);
1123        client.add_entity_message_handler(Self::handle_create_image_for_peer);
1124        client.add_entity_request_handler(Self::handle_find_search_candidates_chunk);
1125        client.add_entity_message_handler(Self::handle_find_search_candidates_cancel);
1126        client.add_entity_message_handler(Self::handle_create_file_for_peer);
1127
1128        WorktreeStore::init(&client);
1129        BufferStore::init(&client);
1130        LspStore::init(&client);
1131        GitStore::init(&client);
1132        SettingsObserver::init(&client);
1133        TaskStore::init(Some(&client));
1134        ToolchainStore::init(&client);
1135        DapStore::init(&client, cx);
1136        BreakpointStore::init(&client);
1137        context_server_store::init(cx);
1138    }
1139
1140    pub fn local(
1141        client: Arc<Client>,
1142        node: NodeRuntime,
1143        user_store: Entity<UserStore>,
1144        languages: Arc<LanguageRegistry>,
1145        fs: Arc<dyn Fs>,
1146        env: Option<HashMap<String, String>>,
1147        flags: LocalProjectFlags,
1148        cx: &mut App,
1149    ) -> Entity<Self> {
1150        cx.new(|cx: &mut Context<Self>| {
1151            let (tx, rx) = mpsc::unbounded();
1152            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1153                .detach();
1154            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1155            let worktree_store =
1156                cx.new(|cx| WorktreeStore::local(false, fs.clone(), WorktreeIdCounter::get(cx)));
1157            if flags.init_worktree_trust {
1158                trusted_worktrees::track_worktree_trust(
1159                    worktree_store.clone(),
1160                    None,
1161                    None,
1162                    None,
1163                    cx,
1164                );
1165            }
1166            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1167                .detach();
1168
1169            let weak_self = cx.weak_entity();
1170            let context_server_store = cx.new(|cx| {
1171                ContextServerStore::local(
1172                    worktree_store.clone(),
1173                    Some(weak_self.clone()),
1174                    false,
1175                    cx,
1176                )
1177            });
1178
1179            let environment = cx.new(|cx| {
1180                ProjectEnvironment::new(env, worktree_store.downgrade(), None, false, cx)
1181            });
1182            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1183            let toolchain_store = cx.new(|cx| {
1184                ToolchainStore::local(
1185                    languages.clone(),
1186                    worktree_store.clone(),
1187                    environment.clone(),
1188                    manifest_tree.clone(),
1189                    fs.clone(),
1190                    cx,
1191                )
1192            });
1193
1194            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1195            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1196                .detach();
1197
1198            let breakpoint_store =
1199                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1200
1201            let dap_store = cx.new(|cx| {
1202                DapStore::new_local(
1203                    client.http_client(),
1204                    node.clone(),
1205                    fs.clone(),
1206                    environment.clone(),
1207                    toolchain_store.read(cx).as_language_toolchain_store(),
1208                    worktree_store.clone(),
1209                    breakpoint_store.clone(),
1210                    false,
1211                    cx,
1212                )
1213            });
1214            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1215
1216            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1217            cx.subscribe(&image_store, Self::on_image_store_event)
1218                .detach();
1219
1220            let prettier_store = cx.new(|cx| {
1221                PrettierStore::new(
1222                    node.clone(),
1223                    fs.clone(),
1224                    languages.clone(),
1225                    worktree_store.clone(),
1226                    cx,
1227                )
1228            });
1229
1230            let task_store = cx.new(|cx| {
1231                TaskStore::local(
1232                    buffer_store.downgrade(),
1233                    worktree_store.clone(),
1234                    toolchain_store.read(cx).as_language_toolchain_store(),
1235                    environment.clone(),
1236                    cx,
1237                )
1238            });
1239
1240            let settings_observer = cx.new(|cx| {
1241                SettingsObserver::new_local(
1242                    fs.clone(),
1243                    worktree_store.clone(),
1244                    task_store.clone(),
1245                    flags.watch_global_configs,
1246                    cx,
1247                )
1248            });
1249            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1250                .detach();
1251
1252            let lsp_store = cx.new(|cx| {
1253                LspStore::new_local(
1254                    buffer_store.clone(),
1255                    worktree_store.clone(),
1256                    prettier_store.clone(),
1257                    toolchain_store
1258                        .read(cx)
1259                        .as_local_store()
1260                        .expect("Toolchain store to be local")
1261                        .clone(),
1262                    environment.clone(),
1263                    manifest_tree,
1264                    languages.clone(),
1265                    client.http_client(),
1266                    fs.clone(),
1267                    cx,
1268                )
1269            });
1270
1271            let git_store = cx.new(|cx| {
1272                GitStore::local(
1273                    &worktree_store,
1274                    buffer_store.clone(),
1275                    environment.clone(),
1276                    fs.clone(),
1277                    cx,
1278                )
1279            });
1280
1281            let agent_server_store = cx.new(|cx| {
1282                AgentServerStore::local(
1283                    node.clone(),
1284                    fs.clone(),
1285                    environment.clone(),
1286                    client.http_client(),
1287                    cx,
1288                )
1289            });
1290
1291            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1292
1293            Self {
1294                buffer_ordered_messages_tx: tx,
1295                collaborators: Default::default(),
1296                worktree_store,
1297                buffer_store,
1298                image_store,
1299                lsp_store,
1300                context_server_store,
1301                join_project_response_message_id: 0,
1302                client_state: ProjectClientState::Local,
1303                git_store,
1304                client_subscriptions: Vec::new(),
1305                _subscriptions: vec![cx.on_release(Self::release)],
1306                active_entry: None,
1307                snippets,
1308                languages,
1309                collab_client: client,
1310                task_store,
1311                user_store,
1312                settings_observer,
1313                fs,
1314                remote_client: None,
1315                breakpoint_store,
1316                dap_store,
1317                agent_server_store,
1318
1319                buffers_needing_diff: Default::default(),
1320                git_diff_debouncer: DebouncedDelay::new(),
1321                terminals: Terminals {
1322                    local_handles: Vec::new(),
1323                },
1324                node: Some(node),
1325                search_history: Self::new_search_history(),
1326                environment,
1327                remotely_created_models: Default::default(),
1328
1329                search_included_history: Self::new_search_history(),
1330                search_excluded_history: Self::new_search_history(),
1331
1332                toolchain_store: Some(toolchain_store),
1333
1334                agent_location: None,
1335                downloading_files: Default::default(),
1336            }
1337        })
1338    }
1339
1340    pub fn remote(
1341        remote: Entity<RemoteClient>,
1342        client: Arc<Client>,
1343        node: NodeRuntime,
1344        user_store: Entity<UserStore>,
1345        languages: Arc<LanguageRegistry>,
1346        fs: Arc<dyn Fs>,
1347        init_worktree_trust: bool,
1348        cx: &mut App,
1349    ) -> Entity<Self> {
1350        cx.new(|cx: &mut Context<Self>| {
1351            let (tx, rx) = mpsc::unbounded();
1352            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1353                .detach();
1354            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1355
1356            let (remote_proto, path_style, connection_options) =
1357                remote.read_with(cx, |remote, _| {
1358                    (
1359                        remote.proto_client(),
1360                        remote.path_style(),
1361                        remote.connection_options(),
1362                    )
1363                });
1364            let worktree_store = cx.new(|cx| {
1365                WorktreeStore::remote(
1366                    false,
1367                    remote_proto.clone(),
1368                    REMOTE_SERVER_PROJECT_ID,
1369                    path_style,
1370                    WorktreeIdCounter::get(cx),
1371                )
1372            });
1373
1374            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1375                .detach();
1376            if init_worktree_trust {
1377                trusted_worktrees::track_worktree_trust(
1378                    worktree_store.clone(),
1379                    Some(RemoteHostLocation::from(connection_options)),
1380                    None,
1381                    Some((remote_proto.clone(), ProjectId(REMOTE_SERVER_PROJECT_ID))),
1382                    cx,
1383                );
1384            }
1385
1386            let weak_self = cx.weak_entity();
1387
1388            let buffer_store = cx.new(|cx| {
1389                BufferStore::remote(
1390                    worktree_store.clone(),
1391                    remote.read(cx).proto_client(),
1392                    REMOTE_SERVER_PROJECT_ID,
1393                    cx,
1394                )
1395            });
1396            let image_store = cx.new(|cx| {
1397                ImageStore::remote(
1398                    worktree_store.clone(),
1399                    remote.read(cx).proto_client(),
1400                    REMOTE_SERVER_PROJECT_ID,
1401                    cx,
1402                )
1403            });
1404            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1405                .detach();
1406            let toolchain_store = cx.new(|cx| {
1407                ToolchainStore::remote(
1408                    REMOTE_SERVER_PROJECT_ID,
1409                    worktree_store.clone(),
1410                    remote.read(cx).proto_client(),
1411                    cx,
1412                )
1413            });
1414
1415            let task_store = cx.new(|cx| {
1416                TaskStore::remote(
1417                    buffer_store.downgrade(),
1418                    worktree_store.clone(),
1419                    toolchain_store.read(cx).as_language_toolchain_store(),
1420                    remote.read(cx).proto_client(),
1421                    REMOTE_SERVER_PROJECT_ID,
1422                    cx,
1423                )
1424            });
1425
1426            let settings_observer = cx.new(|cx| {
1427                SettingsObserver::new_remote(
1428                    fs.clone(),
1429                    worktree_store.clone(),
1430                    task_store.clone(),
1431                    Some(remote_proto.clone()),
1432                    false,
1433                    cx,
1434                )
1435            });
1436            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1437                .detach();
1438
1439            let context_server_store = cx.new(|cx| {
1440                ContextServerStore::remote(
1441                    rpc::proto::REMOTE_SERVER_PROJECT_ID,
1442                    remote.clone(),
1443                    worktree_store.clone(),
1444                    Some(weak_self.clone()),
1445                    cx,
1446                )
1447            });
1448
1449            let environment = cx.new(|cx| {
1450                ProjectEnvironment::new(
1451                    None,
1452                    worktree_store.downgrade(),
1453                    Some(remote.downgrade()),
1454                    false,
1455                    cx,
1456                )
1457            });
1458
1459            let lsp_store = cx.new(|cx| {
1460                LspStore::new_remote(
1461                    buffer_store.clone(),
1462                    worktree_store.clone(),
1463                    languages.clone(),
1464                    remote_proto.clone(),
1465                    REMOTE_SERVER_PROJECT_ID,
1466                    cx,
1467                )
1468            });
1469            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1470
1471            let breakpoint_store = cx.new(|_| {
1472                BreakpointStore::remote(
1473                    REMOTE_SERVER_PROJECT_ID,
1474                    remote_proto.clone(),
1475                    buffer_store.clone(),
1476                    worktree_store.clone(),
1477                )
1478            });
1479
1480            let dap_store = cx.new(|cx| {
1481                DapStore::new_remote(
1482                    REMOTE_SERVER_PROJECT_ID,
1483                    remote.clone(),
1484                    breakpoint_store.clone(),
1485                    worktree_store.clone(),
1486                    node.clone(),
1487                    client.http_client(),
1488                    fs.clone(),
1489                    cx,
1490                )
1491            });
1492
1493            let git_store = cx.new(|cx| {
1494                GitStore::remote(
1495                    &worktree_store,
1496                    buffer_store.clone(),
1497                    remote_proto.clone(),
1498                    REMOTE_SERVER_PROJECT_ID,
1499                    cx,
1500                )
1501            });
1502
1503            let agent_server_store =
1504                cx.new(|_| AgentServerStore::remote(REMOTE_SERVER_PROJECT_ID, remote.clone()));
1505
1506            cx.subscribe(&remote, Self::on_remote_client_event).detach();
1507
1508            let this = Self {
1509                buffer_ordered_messages_tx: tx,
1510                collaborators: Default::default(),
1511                worktree_store,
1512                buffer_store,
1513                image_store,
1514                lsp_store,
1515                context_server_store,
1516                breakpoint_store,
1517                dap_store,
1518                join_project_response_message_id: 0,
1519                client_state: ProjectClientState::Local,
1520                git_store,
1521                agent_server_store,
1522                client_subscriptions: Vec::new(),
1523                _subscriptions: vec![
1524                    cx.on_release(Self::release),
1525                    cx.on_app_quit(|this, cx| {
1526                        let shutdown = this.remote_client.take().and_then(|client| {
1527                            client.update(cx, |client, cx| {
1528                                client.shutdown_processes(
1529                                    Some(proto::ShutdownRemoteServer {}),
1530                                    cx.background_executor().clone(),
1531                                )
1532                            })
1533                        });
1534
1535                        cx.background_executor().spawn(async move {
1536                            if let Some(shutdown) = shutdown {
1537                                shutdown.await;
1538                            }
1539                        })
1540                    }),
1541                ],
1542                active_entry: None,
1543                snippets,
1544                languages,
1545                collab_client: client,
1546                task_store,
1547                user_store,
1548                settings_observer,
1549                fs,
1550                remote_client: Some(remote.clone()),
1551                buffers_needing_diff: Default::default(),
1552                git_diff_debouncer: DebouncedDelay::new(),
1553                terminals: Terminals {
1554                    local_handles: Vec::new(),
1555                },
1556                node: Some(node),
1557                search_history: Self::new_search_history(),
1558                environment,
1559                remotely_created_models: Default::default(),
1560
1561                search_included_history: Self::new_search_history(),
1562                search_excluded_history: Self::new_search_history(),
1563
1564                toolchain_store: Some(toolchain_store),
1565                agent_location: None,
1566                downloading_files: Default::default(),
1567            };
1568
1569            // remote server -> local machine handlers
1570            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &cx.entity());
1571            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.buffer_store);
1572            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.worktree_store);
1573            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.lsp_store);
1574            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.dap_store);
1575            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.breakpoint_store);
1576            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.settings_observer);
1577            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.git_store);
1578            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.agent_server_store);
1579
1580            remote_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1581            remote_proto.add_entity_message_handler(Self::handle_create_image_for_peer);
1582            remote_proto.add_entity_message_handler(Self::handle_create_file_for_peer);
1583            remote_proto.add_entity_message_handler(Self::handle_update_worktree);
1584            remote_proto.add_entity_message_handler(Self::handle_update_project);
1585            remote_proto.add_entity_message_handler(Self::handle_toast);
1586            remote_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1587            remote_proto.add_entity_message_handler(Self::handle_hide_toast);
1588            remote_proto.add_entity_request_handler(Self::handle_update_buffer_from_remote_server);
1589            remote_proto.add_entity_request_handler(Self::handle_trust_worktrees);
1590            remote_proto.add_entity_request_handler(Self::handle_restrict_worktrees);
1591            remote_proto.add_entity_request_handler(Self::handle_find_search_candidates_chunk);
1592
1593            remote_proto.add_entity_message_handler(Self::handle_find_search_candidates_cancel);
1594            BufferStore::init(&remote_proto);
1595            WorktreeStore::init_remote(&remote_proto);
1596            LspStore::init(&remote_proto);
1597            SettingsObserver::init(&remote_proto);
1598            TaskStore::init(Some(&remote_proto));
1599            ToolchainStore::init(&remote_proto);
1600            DapStore::init(&remote_proto, cx);
1601            BreakpointStore::init(&remote_proto);
1602            GitStore::init(&remote_proto);
1603            AgentServerStore::init_remote(&remote_proto);
1604
1605            this
1606        })
1607    }
1608
1609    pub async fn in_room(
1610        remote_id: u64,
1611        client: Arc<Client>,
1612        user_store: Entity<UserStore>,
1613        languages: Arc<LanguageRegistry>,
1614        fs: Arc<dyn Fs>,
1615        cx: AsyncApp,
1616    ) -> Result<Entity<Self>> {
1617        client.connect(true, &cx).await.into_response()?;
1618
1619        let subscriptions = [
1620            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1621            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1622            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1623            EntitySubscription::WorktreeStore(
1624                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1625            ),
1626            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1627            EntitySubscription::SettingsObserver(
1628                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1629            ),
1630            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1631            EntitySubscription::BreakpointStore(
1632                client.subscribe_to_entity::<BreakpointStore>(remote_id)?,
1633            ),
1634        ];
1635        let committer = get_git_committer(&cx).await;
1636        let response = client
1637            .request_envelope(proto::JoinProject {
1638                project_id: remote_id,
1639                committer_email: committer.email,
1640                committer_name: committer.name,
1641            })
1642            .await?;
1643        Self::from_join_project_response(
1644            response,
1645            subscriptions,
1646            client,
1647            false,
1648            user_store,
1649            languages,
1650            fs,
1651            cx,
1652        )
1653        .await
1654    }
1655
1656    async fn from_join_project_response(
1657        response: TypedEnvelope<proto::JoinProjectResponse>,
1658        subscriptions: [EntitySubscription; 8],
1659        client: Arc<Client>,
1660        run_tasks: bool,
1661        user_store: Entity<UserStore>,
1662        languages: Arc<LanguageRegistry>,
1663        fs: Arc<dyn Fs>,
1664        mut cx: AsyncApp,
1665    ) -> Result<Entity<Self>> {
1666        let remote_id = response.payload.project_id;
1667        let role = response.payload.role();
1668
1669        let path_style = if response.payload.windows_paths {
1670            PathStyle::Windows
1671        } else {
1672            PathStyle::Posix
1673        };
1674
1675        let worktree_store = cx.new(|cx| {
1676            WorktreeStore::remote(
1677                true,
1678                client.clone().into(),
1679                response.payload.project_id,
1680                path_style,
1681                WorktreeIdCounter::get(cx),
1682            )
1683        });
1684        let buffer_store = cx.new(|cx| {
1685            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1686        });
1687        let image_store = cx.new(|cx| {
1688            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1689        });
1690
1691        let environment =
1692            cx.new(|cx| ProjectEnvironment::new(None, worktree_store.downgrade(), None, true, cx));
1693        let breakpoint_store = cx.new(|_| {
1694            BreakpointStore::remote(
1695                remote_id,
1696                client.clone().into(),
1697                buffer_store.clone(),
1698                worktree_store.clone(),
1699            )
1700        });
1701        let dap_store = cx.new(|cx| {
1702            DapStore::new_collab(
1703                remote_id,
1704                client.clone().into(),
1705                breakpoint_store.clone(),
1706                worktree_store.clone(),
1707                fs.clone(),
1708                cx,
1709            )
1710        });
1711
1712        let lsp_store = cx.new(|cx| {
1713            LspStore::new_remote(
1714                buffer_store.clone(),
1715                worktree_store.clone(),
1716                languages.clone(),
1717                client.clone().into(),
1718                remote_id,
1719                cx,
1720            )
1721        });
1722
1723        let task_store = cx.new(|cx| {
1724            if run_tasks {
1725                TaskStore::remote(
1726                    buffer_store.downgrade(),
1727                    worktree_store.clone(),
1728                    Arc::new(EmptyToolchainStore),
1729                    client.clone().into(),
1730                    remote_id,
1731                    cx,
1732                )
1733            } else {
1734                TaskStore::Noop
1735            }
1736        });
1737
1738        let settings_observer = cx.new(|cx| {
1739            SettingsObserver::new_remote(
1740                fs.clone(),
1741                worktree_store.clone(),
1742                task_store.clone(),
1743                None,
1744                true,
1745                cx,
1746            )
1747        });
1748
1749        let git_store = cx.new(|cx| {
1750            GitStore::remote(
1751                // In this remote case we pass None for the environment
1752                &worktree_store,
1753                buffer_store.clone(),
1754                client.clone().into(),
1755                remote_id,
1756                cx,
1757            )
1758        });
1759
1760        let agent_server_store = cx.new(|_cx| AgentServerStore::collab());
1761        let replica_id = ReplicaId::new(response.payload.replica_id as u16);
1762
1763        let project = cx.new(|cx| {
1764            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1765
1766            let weak_self = cx.weak_entity();
1767            let context_server_store = cx.new(|cx| {
1768                ContextServerStore::local(worktree_store.clone(), Some(weak_self), false, cx)
1769            });
1770
1771            let mut worktrees = Vec::new();
1772            for worktree in response.payload.worktrees {
1773                let worktree = Worktree::remote(
1774                    remote_id,
1775                    replica_id,
1776                    worktree,
1777                    client.clone().into(),
1778                    path_style,
1779                    cx,
1780                );
1781                worktrees.push(worktree);
1782            }
1783
1784            let (tx, rx) = mpsc::unbounded();
1785            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1786                .detach();
1787
1788            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1789                .detach();
1790
1791            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1792                .detach();
1793            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1794            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1795                .detach();
1796
1797            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1798
1799            let mut project = Self {
1800                buffer_ordered_messages_tx: tx,
1801                buffer_store: buffer_store.clone(),
1802                image_store,
1803                worktree_store: worktree_store.clone(),
1804                lsp_store: lsp_store.clone(),
1805                context_server_store,
1806                active_entry: None,
1807                collaborators: Default::default(),
1808                join_project_response_message_id: response.message_id,
1809                languages,
1810                user_store: user_store.clone(),
1811                task_store,
1812                snippets,
1813                fs,
1814                remote_client: None,
1815                settings_observer: settings_observer.clone(),
1816                client_subscriptions: Default::default(),
1817                _subscriptions: vec![cx.on_release(Self::release)],
1818                collab_client: client.clone(),
1819                client_state: ProjectClientState::Collab {
1820                    sharing_has_stopped: false,
1821                    capability: Capability::ReadWrite,
1822                    remote_id,
1823                    replica_id,
1824                },
1825                breakpoint_store: breakpoint_store.clone(),
1826                dap_store: dap_store.clone(),
1827                git_store: git_store.clone(),
1828                agent_server_store,
1829                buffers_needing_diff: Default::default(),
1830                git_diff_debouncer: DebouncedDelay::new(),
1831                terminals: Terminals {
1832                    local_handles: Vec::new(),
1833                },
1834                node: None,
1835                search_history: Self::new_search_history(),
1836                search_included_history: Self::new_search_history(),
1837                search_excluded_history: Self::new_search_history(),
1838                environment,
1839                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1840                toolchain_store: None,
1841                agent_location: None,
1842                downloading_files: Default::default(),
1843            };
1844            project.set_role(role, cx);
1845            for worktree in worktrees {
1846                project.add_worktree(&worktree, cx);
1847            }
1848            project
1849        });
1850
1851        let weak_project = project.downgrade();
1852        lsp_store.update(&mut cx, |lsp_store, cx| {
1853            lsp_store.set_language_server_statuses_from_proto(
1854                weak_project,
1855                response.payload.language_servers,
1856                response.payload.language_server_capabilities,
1857                cx,
1858            );
1859        });
1860
1861        let subscriptions = subscriptions
1862            .into_iter()
1863            .map(|s| match s {
1864                EntitySubscription::BufferStore(subscription) => {
1865                    subscription.set_entity(&buffer_store, &cx)
1866                }
1867                EntitySubscription::WorktreeStore(subscription) => {
1868                    subscription.set_entity(&worktree_store, &cx)
1869                }
1870                EntitySubscription::GitStore(subscription) => {
1871                    subscription.set_entity(&git_store, &cx)
1872                }
1873                EntitySubscription::SettingsObserver(subscription) => {
1874                    subscription.set_entity(&settings_observer, &cx)
1875                }
1876                EntitySubscription::Project(subscription) => subscription.set_entity(&project, &cx),
1877                EntitySubscription::LspStore(subscription) => {
1878                    subscription.set_entity(&lsp_store, &cx)
1879                }
1880                EntitySubscription::DapStore(subscription) => {
1881                    subscription.set_entity(&dap_store, &cx)
1882                }
1883                EntitySubscription::BreakpointStore(subscription) => {
1884                    subscription.set_entity(&breakpoint_store, &cx)
1885                }
1886            })
1887            .collect::<Vec<_>>();
1888
1889        let user_ids = response
1890            .payload
1891            .collaborators
1892            .iter()
1893            .map(|peer| peer.user_id)
1894            .collect();
1895        user_store
1896            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))
1897            .await?;
1898
1899        project.update(&mut cx, |this, cx| {
1900            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1901            this.client_subscriptions.extend(subscriptions);
1902            anyhow::Ok(())
1903        })?;
1904
1905        Ok(project)
1906    }
1907
1908    fn new_search_history() -> SearchHistory {
1909        SearchHistory::new(
1910            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1911            search_history::QueryInsertionBehavior::AlwaysInsert,
1912        )
1913    }
1914
1915    fn release(&mut self, cx: &mut App) {
1916        if let Some(client) = self.remote_client.take() {
1917            let shutdown = client.update(cx, |client, cx| {
1918                client.shutdown_processes(
1919                    Some(proto::ShutdownRemoteServer {}),
1920                    cx.background_executor().clone(),
1921                )
1922            });
1923
1924            cx.background_spawn(async move {
1925                if let Some(shutdown) = shutdown {
1926                    shutdown.await;
1927                }
1928            })
1929            .detach()
1930        }
1931
1932        match &self.client_state {
1933            ProjectClientState::Local => {}
1934            ProjectClientState::Shared { .. } => {
1935                let _ = self.unshare_internal(cx);
1936            }
1937            ProjectClientState::Collab { remote_id, .. } => {
1938                let _ = self.collab_client.send(proto::LeaveProject {
1939                    project_id: *remote_id,
1940                });
1941                self.disconnected_from_host_internal(cx);
1942            }
1943        }
1944    }
1945
1946    #[cfg(feature = "test-support")]
1947    pub fn client_subscriptions(&self) -> &Vec<client::Subscription> {
1948        &self.client_subscriptions
1949    }
1950
1951    #[cfg(feature = "test-support")]
1952    pub async fn example(
1953        root_paths: impl IntoIterator<Item = &Path>,
1954        cx: &mut AsyncApp,
1955    ) -> Entity<Project> {
1956        use clock::FakeSystemClock;
1957
1958        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1959        let languages = LanguageRegistry::test(cx.background_executor().clone());
1960        let clock = Arc::new(FakeSystemClock::new());
1961        let http_client = http_client::FakeHttpClient::with_404_response();
1962        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1963        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1964        let project = cx.update(|cx| {
1965            Project::local(
1966                client,
1967                node_runtime::NodeRuntime::unavailable(),
1968                user_store,
1969                Arc::new(languages),
1970                fs,
1971                None,
1972                LocalProjectFlags {
1973                    init_worktree_trust: false,
1974                    ..Default::default()
1975                },
1976                cx,
1977            )
1978        });
1979        for path in root_paths {
1980            let (tree, _): (Entity<Worktree>, _) = project
1981                .update(cx, |project, cx| {
1982                    project.find_or_create_worktree(path, true, cx)
1983                })
1984                .await
1985                .unwrap();
1986            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1987                .await;
1988        }
1989        project
1990    }
1991
1992    #[cfg(feature = "test-support")]
1993    pub async fn test(
1994        fs: Arc<dyn Fs>,
1995        root_paths: impl IntoIterator<Item = &Path>,
1996        cx: &mut gpui::TestAppContext,
1997    ) -> Entity<Project> {
1998        Self::test_project(fs, root_paths, false, cx).await
1999    }
2000
2001    #[cfg(feature = "test-support")]
2002    pub async fn test_with_worktree_trust(
2003        fs: Arc<dyn Fs>,
2004        root_paths: impl IntoIterator<Item = &Path>,
2005        cx: &mut gpui::TestAppContext,
2006    ) -> Entity<Project> {
2007        Self::test_project(fs, root_paths, true, cx).await
2008    }
2009
2010    #[cfg(feature = "test-support")]
2011    async fn test_project(
2012        fs: Arc<dyn Fs>,
2013        root_paths: impl IntoIterator<Item = &Path>,
2014        init_worktree_trust: bool,
2015        cx: &mut gpui::TestAppContext,
2016    ) -> Entity<Project> {
2017        use clock::FakeSystemClock;
2018
2019        let languages = LanguageRegistry::test(cx.executor());
2020        let clock = Arc::new(FakeSystemClock::new());
2021        let http_client = http_client::FakeHttpClient::with_404_response();
2022        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
2023        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
2024        let project = cx.update(|cx| {
2025            Project::local(
2026                client,
2027                node_runtime::NodeRuntime::unavailable(),
2028                user_store,
2029                Arc::new(languages),
2030                fs,
2031                None,
2032                LocalProjectFlags {
2033                    init_worktree_trust,
2034                    ..Default::default()
2035                },
2036                cx,
2037            )
2038        });
2039        for path in root_paths {
2040            let (tree, _) = project
2041                .update(cx, |project, cx| {
2042                    project.find_or_create_worktree(path, true, cx)
2043                })
2044                .await
2045                .unwrap();
2046
2047            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
2048                .await;
2049        }
2050        project
2051    }
2052
2053    #[inline]
2054    pub fn dap_store(&self) -> Entity<DapStore> {
2055        self.dap_store.clone()
2056    }
2057
2058    #[inline]
2059    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
2060        self.breakpoint_store.clone()
2061    }
2062
2063    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
2064        let active_position = self.breakpoint_store.read(cx).active_position()?;
2065        let session = self
2066            .dap_store
2067            .read(cx)
2068            .session_by_id(active_position.session_id)?;
2069        Some((session, active_position.clone()))
2070    }
2071
2072    #[inline]
2073    pub fn lsp_store(&self) -> Entity<LspStore> {
2074        self.lsp_store.clone()
2075    }
2076
2077    #[inline]
2078    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
2079        self.worktree_store.clone()
2080    }
2081
2082    /// Returns a future that resolves when all visible worktrees have completed
2083    /// their initial scan.
2084    pub fn wait_for_initial_scan(&self, cx: &App) -> impl Future<Output = ()> + use<> {
2085        self.worktree_store.read(cx).wait_for_initial_scan()
2086    }
2087
2088    #[inline]
2089    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
2090        self.context_server_store.clone()
2091    }
2092
2093    #[inline]
2094    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
2095        self.buffer_store.read(cx).get(remote_id)
2096    }
2097
2098    #[inline]
2099    pub fn languages(&self) -> &Arc<LanguageRegistry> {
2100        &self.languages
2101    }
2102
2103    #[inline]
2104    pub fn client(&self) -> Arc<Client> {
2105        self.collab_client.clone()
2106    }
2107
2108    #[inline]
2109    pub fn remote_client(&self) -> Option<Entity<RemoteClient>> {
2110        self.remote_client.clone()
2111    }
2112
2113    #[inline]
2114    pub fn user_store(&self) -> Entity<UserStore> {
2115        self.user_store.clone()
2116    }
2117
2118    #[inline]
2119    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
2120        self.node.as_ref()
2121    }
2122
2123    #[inline]
2124    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
2125        self.buffer_store.read(cx).buffers().collect()
2126    }
2127
2128    #[inline]
2129    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
2130        &self.environment
2131    }
2132
2133    #[inline]
2134    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
2135        self.environment.read(cx).get_cli_environment()
2136    }
2137
2138    #[inline]
2139    pub fn peek_environment_error<'a>(&'a self, cx: &'a App) -> Option<&'a String> {
2140        self.environment.read(cx).peek_environment_error()
2141    }
2142
2143    #[inline]
2144    pub fn pop_environment_error(&mut self, cx: &mut Context<Self>) {
2145        self.environment.update(cx, |environment, _| {
2146            environment.pop_environment_error();
2147        });
2148    }
2149
2150    #[cfg(feature = "test-support")]
2151    #[inline]
2152    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
2153        self.buffer_store
2154            .read(cx)
2155            .get_by_path(&path.into())
2156            .is_some()
2157    }
2158
2159    #[inline]
2160    pub fn fs(&self) -> &Arc<dyn Fs> {
2161        &self.fs
2162    }
2163
2164    #[inline]
2165    pub fn remote_id(&self) -> Option<u64> {
2166        match self.client_state {
2167            ProjectClientState::Local => None,
2168            ProjectClientState::Shared { remote_id, .. }
2169            | ProjectClientState::Collab { remote_id, .. } => Some(remote_id),
2170        }
2171    }
2172
2173    #[inline]
2174    pub fn supports_terminal(&self, _cx: &App) -> bool {
2175        if self.is_local() {
2176            return true;
2177        }
2178        if self.is_via_remote_server() {
2179            return true;
2180        }
2181
2182        false
2183    }
2184
2185    #[inline]
2186    pub fn remote_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
2187        self.remote_client
2188            .as_ref()
2189            .map(|remote| remote.read(cx).connection_state())
2190    }
2191
2192    #[inline]
2193    pub fn remote_connection_options(&self, cx: &App) -> Option<RemoteConnectionOptions> {
2194        self.remote_client
2195            .as_ref()
2196            .map(|remote| remote.read(cx).connection_options())
2197    }
2198
2199    /// Reveals the given path in the system file manager.
2200    ///
2201    /// On Windows with a WSL remote connection, this converts the POSIX path
2202    /// to a Windows UNC path before revealing.
2203    pub fn reveal_path(&self, path: &Path, cx: &mut Context<Self>) {
2204        #[cfg(target_os = "windows")]
2205        if let Some(RemoteConnectionOptions::Wsl(wsl_options)) = self.remote_connection_options(cx)
2206        {
2207            let path = path.to_path_buf();
2208            cx.spawn(async move |_, cx| {
2209                wsl_path_to_windows_path(&wsl_options, &path)
2210                    .await
2211                    .map(|windows_path| cx.update(|cx| cx.reveal_path(&windows_path)))
2212            })
2213            .detach_and_log_err(cx);
2214            return;
2215        }
2216
2217        cx.reveal_path(path);
2218    }
2219
2220    #[inline]
2221    pub fn replica_id(&self) -> ReplicaId {
2222        match self.client_state {
2223            ProjectClientState::Collab { replica_id, .. } => replica_id,
2224            _ => {
2225                if self.remote_client.is_some() {
2226                    ReplicaId::REMOTE_SERVER
2227                } else {
2228                    ReplicaId::LOCAL
2229                }
2230            }
2231        }
2232    }
2233
2234    #[inline]
2235    pub fn task_store(&self) -> &Entity<TaskStore> {
2236        &self.task_store
2237    }
2238
2239    #[inline]
2240    pub fn snippets(&self) -> &Entity<SnippetProvider> {
2241        &self.snippets
2242    }
2243
2244    #[inline]
2245    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
2246        match kind {
2247            SearchInputKind::Query => &self.search_history,
2248            SearchInputKind::Include => &self.search_included_history,
2249            SearchInputKind::Exclude => &self.search_excluded_history,
2250        }
2251    }
2252
2253    #[inline]
2254    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
2255        match kind {
2256            SearchInputKind::Query => &mut self.search_history,
2257            SearchInputKind::Include => &mut self.search_included_history,
2258            SearchInputKind::Exclude => &mut self.search_excluded_history,
2259        }
2260    }
2261
2262    #[inline]
2263    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
2264        &self.collaborators
2265    }
2266
2267    #[inline]
2268    pub fn host(&self) -> Option<&Collaborator> {
2269        self.collaborators.values().find(|c| c.is_host)
2270    }
2271
2272    #[inline]
2273    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
2274        self.worktree_store.update(cx, |store, _| {
2275            store.set_worktrees_reordered(worktrees_reordered);
2276        });
2277    }
2278
2279    /// Collect all worktrees, including ones that don't appear in the project panel
2280    #[inline]
2281    pub fn worktrees<'a>(
2282        &self,
2283        cx: &'a App,
2284    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2285        self.worktree_store.read(cx).worktrees()
2286    }
2287
2288    /// Collect all user-visible worktrees, the ones that appear in the project panel.
2289    #[inline]
2290    pub fn visible_worktrees<'a>(
2291        &'a self,
2292        cx: &'a App,
2293    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2294        self.worktree_store.read(cx).visible_worktrees(cx)
2295    }
2296
2297    pub fn default_path_list(&self, cx: &App) -> PathList {
2298        let worktree_roots = self
2299            .visible_worktrees(cx)
2300            .sorted_by(|left, right| {
2301                left.read(cx)
2302                    .is_single_file()
2303                    .cmp(&right.read(cx).is_single_file())
2304            })
2305            .filter_map(|worktree| {
2306                let worktree = worktree.read(cx);
2307                let path = worktree.abs_path();
2308                if worktree.is_single_file() {
2309                    Some(path.parent()?.to_path_buf())
2310                } else {
2311                    Some(path.to_path_buf())
2312                }
2313            })
2314            .collect::<Vec<_>>();
2315
2316        if worktree_roots.is_empty() {
2317            PathList::new(&[paths::home_dir().as_path()])
2318        } else {
2319            PathList::new(&worktree_roots)
2320        }
2321    }
2322
2323    #[inline]
2324    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
2325        self.visible_worktrees(cx)
2326            .find(|tree| tree.read(cx).root_name() == root_name)
2327    }
2328
2329    #[inline]
2330    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2331        self.visible_worktrees(cx)
2332            .map(|tree| tree.read(cx).root_name().as_unix_str())
2333    }
2334
2335    #[inline]
2336    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2337        self.worktree_store.read(cx).worktree_for_id(id, cx)
2338    }
2339
2340    pub fn worktree_for_entry(
2341        &self,
2342        entry_id: ProjectEntryId,
2343        cx: &App,
2344    ) -> Option<Entity<Worktree>> {
2345        self.worktree_store
2346            .read(cx)
2347            .worktree_for_entry(entry_id, cx)
2348    }
2349
2350    #[inline]
2351    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2352        self.worktree_for_entry(entry_id, cx)
2353            .map(|worktree| worktree.read(cx).id())
2354    }
2355
2356    /// Checks if the entry is the root of a worktree.
2357    #[inline]
2358    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2359        self.worktree_for_entry(entry_id, cx)
2360            .map(|worktree| {
2361                worktree
2362                    .read(cx)
2363                    .root_entry()
2364                    .is_some_and(|e| e.id == entry_id)
2365            })
2366            .unwrap_or(false)
2367    }
2368
2369    #[inline]
2370    pub fn project_path_git_status(
2371        &self,
2372        project_path: &ProjectPath,
2373        cx: &App,
2374    ) -> Option<FileStatus> {
2375        self.git_store
2376            .read(cx)
2377            .project_path_git_status(project_path, cx)
2378    }
2379
2380    #[inline]
2381    pub fn visibility_for_paths(
2382        &self,
2383        paths: &[PathBuf],
2384        exclude_sub_dirs: bool,
2385        cx: &App,
2386    ) -> Option<bool> {
2387        paths
2388            .iter()
2389            .map(|path| self.visibility_for_path(path, exclude_sub_dirs, cx))
2390            .max()
2391            .flatten()
2392    }
2393
2394    pub fn visibility_for_path(
2395        &self,
2396        path: &Path,
2397        exclude_sub_dirs: bool,
2398        cx: &App,
2399    ) -> Option<bool> {
2400        let path = SanitizedPath::new(path).as_path();
2401        let path_style = self.path_style(cx);
2402        self.worktrees(cx)
2403            .filter_map(|worktree| {
2404                let worktree = worktree.read(cx);
2405                let abs_path = worktree.abs_path();
2406                let relative_path = path_style.strip_prefix(path, abs_path.as_ref());
2407                let is_dir = relative_path
2408                    .as_ref()
2409                    .and_then(|p| worktree.entry_for_path(p))
2410                    .is_some_and(|e| e.is_dir());
2411                // Don't exclude the worktree root itself, only actual subdirectories
2412                let is_subdir = relative_path
2413                    .as_ref()
2414                    .is_some_and(|p| !p.as_ref().as_unix_str().is_empty());
2415                let contains =
2416                    relative_path.is_some() && (!exclude_sub_dirs || !is_dir || !is_subdir);
2417                contains.then(|| worktree.is_visible())
2418            })
2419            .max()
2420    }
2421
2422    pub fn create_entry(
2423        &mut self,
2424        project_path: impl Into<ProjectPath>,
2425        is_directory: bool,
2426        cx: &mut Context<Self>,
2427    ) -> Task<Result<CreatedEntry>> {
2428        let project_path = project_path.into();
2429        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2430            return Task::ready(Err(anyhow!(format!(
2431                "No worktree for path {project_path:?}"
2432            ))));
2433        };
2434        worktree.update(cx, |worktree, cx| {
2435            worktree.create_entry(project_path.path, is_directory, None, cx)
2436        })
2437    }
2438
2439    #[inline]
2440    pub fn copy_entry(
2441        &mut self,
2442        entry_id: ProjectEntryId,
2443        new_project_path: ProjectPath,
2444        cx: &mut Context<Self>,
2445    ) -> Task<Result<Option<Entry>>> {
2446        self.worktree_store.update(cx, |worktree_store, cx| {
2447            worktree_store.copy_entry(entry_id, new_project_path, cx)
2448        })
2449    }
2450
2451    /// Renames the project entry with given `entry_id`.
2452    ///
2453    /// `new_path` is a relative path to worktree root.
2454    /// If root entry is renamed then its new root name is used instead.
2455    pub fn rename_entry(
2456        &mut self,
2457        entry_id: ProjectEntryId,
2458        new_path: ProjectPath,
2459        cx: &mut Context<Self>,
2460    ) -> Task<Result<CreatedEntry>> {
2461        let worktree_store = self.worktree_store.clone();
2462        let Some((worktree, old_path, is_dir)) = worktree_store
2463            .read(cx)
2464            .worktree_and_entry_for_id(entry_id, cx)
2465            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2466        else {
2467            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2468        };
2469
2470        let worktree_id = worktree.read(cx).id();
2471        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2472
2473        let lsp_store = self.lsp_store().downgrade();
2474        cx.spawn(async move |project, cx| {
2475            let (old_abs_path, new_abs_path) = {
2476                let root_path = worktree.read_with(cx, |this, _| this.abs_path());
2477                let new_abs_path = if is_root_entry {
2478                    root_path
2479                        .parent()
2480                        .unwrap()
2481                        .join(new_path.path.as_std_path())
2482                } else {
2483                    root_path.join(&new_path.path.as_std_path())
2484                };
2485                (root_path.join(old_path.as_std_path()), new_abs_path)
2486            };
2487            let transaction = LspStore::will_rename_entry(
2488                lsp_store.clone(),
2489                worktree_id,
2490                &old_abs_path,
2491                &new_abs_path,
2492                is_dir,
2493                cx.clone(),
2494            )
2495            .await;
2496
2497            let entry = worktree_store
2498                .update(cx, |worktree_store, cx| {
2499                    worktree_store.rename_entry(entry_id, new_path.clone(), cx)
2500                })
2501                .await?;
2502
2503            project
2504                .update(cx, |_, cx| {
2505                    cx.emit(Event::EntryRenamed(
2506                        transaction,
2507                        new_path.clone(),
2508                        new_abs_path.clone(),
2509                    ));
2510                })
2511                .ok();
2512
2513            lsp_store
2514                .read_with(cx, |this, _| {
2515                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2516                })
2517                .ok();
2518            Ok(entry)
2519        })
2520    }
2521
2522    #[inline]
2523    pub fn delete_file(
2524        &mut self,
2525        path: ProjectPath,
2526        trash: bool,
2527        cx: &mut Context<Self>,
2528    ) -> Option<Task<Result<()>>> {
2529        let entry = self.entry_for_path(&path, cx)?;
2530        self.delete_entry(entry.id, trash, cx)
2531    }
2532
2533    #[inline]
2534    pub fn delete_entry(
2535        &mut self,
2536        entry_id: ProjectEntryId,
2537        trash: bool,
2538        cx: &mut Context<Self>,
2539    ) -> Option<Task<Result<()>>> {
2540        let worktree = self.worktree_for_entry(entry_id, cx)?;
2541        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2542        worktree.update(cx, |worktree, cx| {
2543            worktree.delete_entry(entry_id, trash, cx)
2544        })
2545    }
2546
2547    #[inline]
2548    pub fn expand_entry(
2549        &mut self,
2550        worktree_id: WorktreeId,
2551        entry_id: ProjectEntryId,
2552        cx: &mut Context<Self>,
2553    ) -> Option<Task<Result<()>>> {
2554        let worktree = self.worktree_for_id(worktree_id, cx)?;
2555        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2556    }
2557
2558    pub fn expand_all_for_entry(
2559        &mut self,
2560        worktree_id: WorktreeId,
2561        entry_id: ProjectEntryId,
2562        cx: &mut Context<Self>,
2563    ) -> Option<Task<Result<()>>> {
2564        let worktree = self.worktree_for_id(worktree_id, cx)?;
2565        let task = worktree.update(cx, |worktree, cx| {
2566            worktree.expand_all_for_entry(entry_id, cx)
2567        });
2568        Some(cx.spawn(async move |this, cx| {
2569            task.context("no task")?.await?;
2570            this.update(cx, |_, cx| {
2571                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2572            })?;
2573            Ok(())
2574        }))
2575    }
2576
2577    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2578        anyhow::ensure!(
2579            matches!(self.client_state, ProjectClientState::Local),
2580            "project was already shared"
2581        );
2582
2583        self.client_subscriptions.extend([
2584            self.collab_client
2585                .subscribe_to_entity(project_id)?
2586                .set_entity(&cx.entity(), &cx.to_async()),
2587            self.collab_client
2588                .subscribe_to_entity(project_id)?
2589                .set_entity(&self.worktree_store, &cx.to_async()),
2590            self.collab_client
2591                .subscribe_to_entity(project_id)?
2592                .set_entity(&self.buffer_store, &cx.to_async()),
2593            self.collab_client
2594                .subscribe_to_entity(project_id)?
2595                .set_entity(&self.lsp_store, &cx.to_async()),
2596            self.collab_client
2597                .subscribe_to_entity(project_id)?
2598                .set_entity(&self.settings_observer, &cx.to_async()),
2599            self.collab_client
2600                .subscribe_to_entity(project_id)?
2601                .set_entity(&self.dap_store, &cx.to_async()),
2602            self.collab_client
2603                .subscribe_to_entity(project_id)?
2604                .set_entity(&self.breakpoint_store, &cx.to_async()),
2605            self.collab_client
2606                .subscribe_to_entity(project_id)?
2607                .set_entity(&self.git_store, &cx.to_async()),
2608        ]);
2609
2610        self.buffer_store.update(cx, |buffer_store, cx| {
2611            buffer_store.shared(project_id, self.collab_client.clone().into(), cx)
2612        });
2613        self.worktree_store.update(cx, |worktree_store, cx| {
2614            worktree_store.shared(project_id, self.collab_client.clone().into(), cx);
2615        });
2616        self.lsp_store.update(cx, |lsp_store, cx| {
2617            lsp_store.shared(project_id, self.collab_client.clone().into(), cx)
2618        });
2619        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2620            breakpoint_store.shared(project_id, self.collab_client.clone().into())
2621        });
2622        self.dap_store.update(cx, |dap_store, cx| {
2623            dap_store.shared(project_id, self.collab_client.clone().into(), cx);
2624        });
2625        self.task_store.update(cx, |task_store, cx| {
2626            task_store.shared(project_id, self.collab_client.clone().into(), cx);
2627        });
2628        self.settings_observer.update(cx, |settings_observer, cx| {
2629            settings_observer.shared(project_id, self.collab_client.clone().into(), cx)
2630        });
2631        self.git_store.update(cx, |git_store, cx| {
2632            git_store.shared(project_id, self.collab_client.clone().into(), cx)
2633        });
2634
2635        self.client_state = ProjectClientState::Shared {
2636            remote_id: project_id,
2637        };
2638
2639        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2640        Ok(())
2641    }
2642
2643    pub fn reshared(
2644        &mut self,
2645        message: proto::ResharedProject,
2646        cx: &mut Context<Self>,
2647    ) -> Result<()> {
2648        self.buffer_store
2649            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2650        self.set_collaborators_from_proto(message.collaborators, cx)?;
2651
2652        self.worktree_store.update(cx, |worktree_store, cx| {
2653            worktree_store.send_project_updates(cx);
2654        });
2655        if let Some(remote_id) = self.remote_id() {
2656            self.git_store.update(cx, |git_store, cx| {
2657                git_store.shared(remote_id, self.collab_client.clone().into(), cx)
2658            });
2659        }
2660        cx.emit(Event::Reshared);
2661        Ok(())
2662    }
2663
2664    pub fn rejoined(
2665        &mut self,
2666        message: proto::RejoinedProject,
2667        message_id: u32,
2668        cx: &mut Context<Self>,
2669    ) -> Result<()> {
2670        cx.update_global::<SettingsStore, _>(|store, cx| {
2671            for worktree_metadata in &message.worktrees {
2672                store
2673                    .clear_local_settings(WorktreeId::from_proto(worktree_metadata.id), cx)
2674                    .log_err();
2675            }
2676        });
2677
2678        self.join_project_response_message_id = message_id;
2679        self.set_worktrees_from_proto(message.worktrees, cx)?;
2680        self.set_collaborators_from_proto(message.collaborators, cx)?;
2681
2682        let project = cx.weak_entity();
2683        self.lsp_store.update(cx, |lsp_store, cx| {
2684            lsp_store.set_language_server_statuses_from_proto(
2685                project,
2686                message.language_servers,
2687                message.language_server_capabilities,
2688                cx,
2689            )
2690        });
2691        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2692            .unwrap();
2693        cx.emit(Event::Rejoined);
2694        Ok(())
2695    }
2696
2697    #[inline]
2698    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2699        self.unshare_internal(cx)?;
2700        cx.emit(Event::RemoteIdChanged(None));
2701        Ok(())
2702    }
2703
2704    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2705        anyhow::ensure!(
2706            !self.is_via_collab(),
2707            "attempted to unshare a remote project"
2708        );
2709
2710        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2711            self.client_state = ProjectClientState::Local;
2712            self.collaborators.clear();
2713            self.client_subscriptions.clear();
2714            self.worktree_store.update(cx, |store, cx| {
2715                store.unshared(cx);
2716            });
2717            self.buffer_store.update(cx, |buffer_store, cx| {
2718                buffer_store.forget_shared_buffers();
2719                buffer_store.unshared(cx)
2720            });
2721            self.task_store.update(cx, |task_store, cx| {
2722                task_store.unshared(cx);
2723            });
2724            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2725                breakpoint_store.unshared(cx);
2726            });
2727            self.dap_store.update(cx, |dap_store, cx| {
2728                dap_store.unshared(cx);
2729            });
2730            self.settings_observer.update(cx, |settings_observer, cx| {
2731                settings_observer.unshared(cx);
2732            });
2733            self.git_store.update(cx, |git_store, cx| {
2734                git_store.unshared(cx);
2735            });
2736
2737            self.collab_client
2738                .send(proto::UnshareProject {
2739                    project_id: remote_id,
2740                })
2741                .ok();
2742            Ok(())
2743        } else {
2744            anyhow::bail!("attempted to unshare an unshared project");
2745        }
2746    }
2747
2748    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2749        if self.is_disconnected(cx) {
2750            return;
2751        }
2752        self.disconnected_from_host_internal(cx);
2753        cx.emit(Event::DisconnectedFromHost);
2754    }
2755
2756    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2757        let new_capability =
2758            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2759                Capability::ReadWrite
2760            } else {
2761                Capability::ReadOnly
2762            };
2763        if let ProjectClientState::Collab { capability, .. } = &mut self.client_state {
2764            if *capability == new_capability {
2765                return;
2766            }
2767
2768            *capability = new_capability;
2769            for buffer in self.opened_buffers(cx) {
2770                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2771            }
2772        }
2773    }
2774
2775    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2776        if let ProjectClientState::Collab {
2777            sharing_has_stopped,
2778            ..
2779        } = &mut self.client_state
2780        {
2781            *sharing_has_stopped = true;
2782            self.client_subscriptions.clear();
2783            self.collaborators.clear();
2784            self.worktree_store.update(cx, |store, cx| {
2785                store.disconnected_from_host(cx);
2786            });
2787            self.buffer_store.update(cx, |buffer_store, cx| {
2788                buffer_store.disconnected_from_host(cx)
2789            });
2790            self.lsp_store
2791                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2792        }
2793    }
2794
2795    #[inline]
2796    pub fn close(&mut self, cx: &mut Context<Self>) {
2797        cx.emit(Event::Closed);
2798    }
2799
2800    #[inline]
2801    pub fn is_disconnected(&self, cx: &App) -> bool {
2802        match &self.client_state {
2803            ProjectClientState::Collab {
2804                sharing_has_stopped,
2805                ..
2806            } => *sharing_has_stopped,
2807            ProjectClientState::Local if self.is_via_remote_server() => {
2808                self.remote_client_is_disconnected(cx)
2809            }
2810            _ => false,
2811        }
2812    }
2813
2814    #[inline]
2815    fn remote_client_is_disconnected(&self, cx: &App) -> bool {
2816        self.remote_client
2817            .as_ref()
2818            .map(|remote| remote.read(cx).is_disconnected())
2819            .unwrap_or(false)
2820    }
2821
2822    #[inline]
2823    pub fn capability(&self) -> Capability {
2824        match &self.client_state {
2825            ProjectClientState::Collab { capability, .. } => *capability,
2826            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2827        }
2828    }
2829
2830    #[inline]
2831    pub fn is_read_only(&self, cx: &App) -> bool {
2832        self.is_disconnected(cx) || !self.capability().editable()
2833    }
2834
2835    #[inline]
2836    pub fn is_local(&self) -> bool {
2837        match &self.client_state {
2838            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2839                self.remote_client.is_none()
2840            }
2841            ProjectClientState::Collab { .. } => false,
2842        }
2843    }
2844
2845    /// Whether this project is a remote server (not counting collab).
2846    #[inline]
2847    pub fn is_via_remote_server(&self) -> bool {
2848        match &self.client_state {
2849            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2850                self.remote_client.is_some()
2851            }
2852            ProjectClientState::Collab { .. } => false,
2853        }
2854    }
2855
2856    /// Whether this project is from collab (not counting remote servers).
2857    #[inline]
2858    pub fn is_via_collab(&self) -> bool {
2859        match &self.client_state {
2860            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2861            ProjectClientState::Collab { .. } => true,
2862        }
2863    }
2864
2865    /// `!self.is_local()`
2866    #[inline]
2867    pub fn is_remote(&self) -> bool {
2868        debug_assert_eq!(
2869            !self.is_local(),
2870            self.is_via_collab() || self.is_via_remote_server()
2871        );
2872        !self.is_local()
2873    }
2874
2875    #[inline]
2876    pub fn is_via_wsl_with_host_interop(&self, cx: &App) -> bool {
2877        match &self.client_state {
2878            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2879                matches!(
2880                    &self.remote_client, Some(remote_client)
2881                    if remote_client.read(cx).has_wsl_interop()
2882                )
2883            }
2884            _ => false,
2885        }
2886    }
2887
2888    pub fn disable_worktree_scanner(&mut self, cx: &mut Context<Self>) {
2889        self.worktree_store.update(cx, |worktree_store, _cx| {
2890            worktree_store.disable_scanner();
2891        });
2892    }
2893
2894    #[inline]
2895    pub fn create_buffer(
2896        &mut self,
2897        language: Option<Arc<Language>>,
2898        project_searchable: bool,
2899        cx: &mut Context<Self>,
2900    ) -> Task<Result<Entity<Buffer>>> {
2901        self.buffer_store.update(cx, |buffer_store, cx| {
2902            buffer_store.create_buffer(language, project_searchable, cx)
2903        })
2904    }
2905
2906    #[inline]
2907    pub fn create_local_buffer(
2908        &mut self,
2909        text: &str,
2910        language: Option<Arc<Language>>,
2911        project_searchable: bool,
2912        cx: &mut Context<Self>,
2913    ) -> Entity<Buffer> {
2914        if self.is_remote() {
2915            panic!("called create_local_buffer on a remote project")
2916        }
2917        self.buffer_store.update(cx, |buffer_store, cx| {
2918            buffer_store.create_local_buffer(text, language, project_searchable, cx)
2919        })
2920    }
2921
2922    pub fn open_path(
2923        &mut self,
2924        path: ProjectPath,
2925        cx: &mut Context<Self>,
2926    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2927        let task = self.open_buffer(path, cx);
2928        cx.spawn(async move |_project, cx| {
2929            let buffer = task.await?;
2930            let project_entry_id = buffer.read_with(cx, |buffer, _cx| {
2931                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id())
2932            });
2933
2934            Ok((project_entry_id, buffer))
2935        })
2936    }
2937
2938    pub fn open_local_buffer(
2939        &mut self,
2940        abs_path: impl AsRef<Path>,
2941        cx: &mut Context<Self>,
2942    ) -> Task<Result<Entity<Buffer>>> {
2943        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2944        cx.spawn(async move |this, cx| {
2945            let (worktree, relative_path) = worktree_task.await?;
2946            this.update(cx, |this, cx| {
2947                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2948            })?
2949            .await
2950        })
2951    }
2952
2953    #[cfg(feature = "test-support")]
2954    pub fn open_local_buffer_with_lsp(
2955        &mut self,
2956        abs_path: impl AsRef<Path>,
2957        cx: &mut Context<Self>,
2958    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2959        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2960            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2961        } else {
2962            Task::ready(Err(anyhow!("no such path")))
2963        }
2964    }
2965
2966    pub fn download_file(
2967        &mut self,
2968        worktree_id: WorktreeId,
2969        path: Arc<RelPath>,
2970        destination_path: PathBuf,
2971        cx: &mut Context<Self>,
2972    ) -> Task<Result<()>> {
2973        log::debug!(
2974            "download_file called: worktree_id={:?}, path={:?}, destination={:?}",
2975            worktree_id,
2976            path,
2977            destination_path
2978        );
2979
2980        let Some(remote_client) = &self.remote_client else {
2981            log::error!("download_file: not a remote project");
2982            return Task::ready(Err(anyhow!("not a remote project")));
2983        };
2984
2985        let proto_client = remote_client.read(cx).proto_client();
2986        // For SSH remote projects, use REMOTE_SERVER_PROJECT_ID instead of remote_id()
2987        // because SSH projects have client_state: Local but still need to communicate with remote server
2988        let project_id = self.remote_id().unwrap_or(REMOTE_SERVER_PROJECT_ID);
2989        let downloading_files = self.downloading_files.clone();
2990        let path_str = path.to_proto();
2991
2992        static NEXT_FILE_ID: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(1);
2993        let file_id = NEXT_FILE_ID.fetch_add(1, std::sync::atomic::Ordering::SeqCst);
2994
2995        // Register BEFORE sending request to avoid race condition
2996        let key = (worktree_id, path_str.clone());
2997        log::debug!(
2998            "download_file: pre-registering download with key={:?}, file_id={}",
2999            key,
3000            file_id
3001        );
3002        downloading_files.lock().insert(
3003            key,
3004            DownloadingFile {
3005                destination_path: destination_path,
3006                chunks: Vec::new(),
3007                total_size: 0,
3008                file_id: Some(file_id),
3009            },
3010        );
3011        log::debug!(
3012            "download_file: sending DownloadFileByPath request, path_str={}",
3013            path_str
3014        );
3015
3016        cx.spawn(async move |_this, _cx| {
3017            log::debug!("download_file: sending request with file_id={}...", file_id);
3018            let response = proto_client
3019                .request(proto::DownloadFileByPath {
3020                    project_id,
3021                    worktree_id: worktree_id.to_proto(),
3022                    path: path_str.clone(),
3023                    file_id,
3024                })
3025                .await?;
3026
3027            log::debug!("download_file: got response, file_id={}", response.file_id);
3028            // The file_id is set from the State message, we just confirm the request succeeded
3029            Ok(())
3030        })
3031    }
3032
3033    #[ztracing::instrument(skip_all)]
3034    pub fn open_buffer(
3035        &mut self,
3036        path: impl Into<ProjectPath>,
3037        cx: &mut App,
3038    ) -> Task<Result<Entity<Buffer>>> {
3039        if self.is_disconnected(cx) {
3040            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3041        }
3042
3043        self.buffer_store.update(cx, |buffer_store, cx| {
3044            buffer_store.open_buffer(path.into(), cx)
3045        })
3046    }
3047
3048    #[cfg(feature = "test-support")]
3049    pub fn open_buffer_with_lsp(
3050        &mut self,
3051        path: impl Into<ProjectPath>,
3052        cx: &mut Context<Self>,
3053    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
3054        let buffer = self.open_buffer(path, cx);
3055        cx.spawn(async move |this, cx| {
3056            let buffer = buffer.await?;
3057            let handle = this.update(cx, |project, cx| {
3058                project.register_buffer_with_language_servers(&buffer, cx)
3059            })?;
3060            Ok((buffer, handle))
3061        })
3062    }
3063
3064    pub fn register_buffer_with_language_servers(
3065        &self,
3066        buffer: &Entity<Buffer>,
3067        cx: &mut App,
3068    ) -> OpenLspBufferHandle {
3069        self.lsp_store.update(cx, |lsp_store, cx| {
3070            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
3071        })
3072    }
3073
3074    pub fn open_unstaged_diff(
3075        &mut self,
3076        buffer: Entity<Buffer>,
3077        cx: &mut Context<Self>,
3078    ) -> Task<Result<Entity<BufferDiff>>> {
3079        if self.is_disconnected(cx) {
3080            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3081        }
3082        self.git_store
3083            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
3084    }
3085
3086    #[ztracing::instrument(skip_all)]
3087    pub fn open_uncommitted_diff(
3088        &mut self,
3089        buffer: Entity<Buffer>,
3090        cx: &mut Context<Self>,
3091    ) -> Task<Result<Entity<BufferDiff>>> {
3092        if self.is_disconnected(cx) {
3093            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3094        }
3095        self.git_store.update(cx, |git_store, cx| {
3096            git_store.open_uncommitted_diff(buffer, cx)
3097        })
3098    }
3099
3100    pub fn open_buffer_by_id(
3101        &mut self,
3102        id: BufferId,
3103        cx: &mut Context<Self>,
3104    ) -> Task<Result<Entity<Buffer>>> {
3105        if let Some(buffer) = self.buffer_for_id(id, cx) {
3106            Task::ready(Ok(buffer))
3107        } else if self.is_local() || self.is_via_remote_server() {
3108            Task::ready(Err(anyhow!("buffer {id} does not exist")))
3109        } else if let Some(project_id) = self.remote_id() {
3110            let request = self.collab_client.request(proto::OpenBufferById {
3111                project_id,
3112                id: id.into(),
3113            });
3114            cx.spawn(async move |project, cx| {
3115                let buffer_id = BufferId::new(request.await?.buffer_id)?;
3116                project
3117                    .update(cx, |project, cx| {
3118                        project.buffer_store.update(cx, |buffer_store, cx| {
3119                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
3120                        })
3121                    })?
3122                    .await
3123            })
3124        } else {
3125            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
3126        }
3127    }
3128
3129    pub fn save_buffers(
3130        &self,
3131        buffers: HashSet<Entity<Buffer>>,
3132        cx: &mut Context<Self>,
3133    ) -> Task<Result<()>> {
3134        cx.spawn(async move |this, cx| {
3135            let save_tasks = buffers.into_iter().filter_map(|buffer| {
3136                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
3137                    .ok()
3138            });
3139            try_join_all(save_tasks).await?;
3140            Ok(())
3141        })
3142    }
3143
3144    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
3145        self.buffer_store
3146            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
3147    }
3148
3149    pub fn save_buffer_as(
3150        &mut self,
3151        buffer: Entity<Buffer>,
3152        path: ProjectPath,
3153        cx: &mut Context<Self>,
3154    ) -> Task<Result<()>> {
3155        self.buffer_store.update(cx, |buffer_store, cx| {
3156            buffer_store.save_buffer_as(buffer.clone(), path, cx)
3157        })
3158    }
3159
3160    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
3161        self.buffer_store.read(cx).get_by_path(path)
3162    }
3163
3164    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
3165        {
3166            let mut remotely_created_models = self.remotely_created_models.lock();
3167            if remotely_created_models.retain_count > 0 {
3168                remotely_created_models.buffers.push(buffer.clone())
3169            }
3170        }
3171
3172        self.request_buffer_diff_recalculation(buffer, cx);
3173
3174        cx.subscribe(buffer, |this, buffer, event, cx| {
3175            this.on_buffer_event(buffer, event, cx);
3176        })
3177        .detach();
3178
3179        Ok(())
3180    }
3181
3182    pub fn open_image(
3183        &mut self,
3184        path: impl Into<ProjectPath>,
3185        cx: &mut Context<Self>,
3186    ) -> Task<Result<Entity<ImageItem>>> {
3187        if self.is_disconnected(cx) {
3188            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3189        }
3190
3191        let open_image_task = self.image_store.update(cx, |image_store, cx| {
3192            image_store.open_image(path.into(), cx)
3193        });
3194
3195        let weak_project = cx.entity().downgrade();
3196        cx.spawn(async move |_, cx| {
3197            let image_item = open_image_task.await?;
3198
3199            // Check if metadata already exists (e.g., for remote images)
3200            let needs_metadata =
3201                cx.read_entity(&image_item, |item, _| item.image_metadata.is_none());
3202
3203            if needs_metadata {
3204                let project = weak_project.upgrade().context("Project dropped")?;
3205                let metadata =
3206                    ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
3207                image_item.update(cx, |image_item, cx| {
3208                    image_item.image_metadata = Some(metadata);
3209                    cx.emit(ImageItemEvent::MetadataUpdated);
3210                });
3211            }
3212
3213            Ok(image_item)
3214        })
3215    }
3216
3217    async fn send_buffer_ordered_messages(
3218        project: WeakEntity<Self>,
3219        rx: UnboundedReceiver<BufferOrderedMessage>,
3220        cx: &mut AsyncApp,
3221    ) -> Result<()> {
3222        const MAX_BATCH_SIZE: usize = 128;
3223
3224        let mut operations_by_buffer_id = HashMap::default();
3225        async fn flush_operations(
3226            this: &WeakEntity<Project>,
3227            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
3228            needs_resync_with_host: &mut bool,
3229            is_local: bool,
3230            cx: &mut AsyncApp,
3231        ) -> Result<()> {
3232            for (buffer_id, operations) in operations_by_buffer_id.drain() {
3233                let request = this.read_with(cx, |this, _| {
3234                    let project_id = this.remote_id()?;
3235                    Some(this.collab_client.request(proto::UpdateBuffer {
3236                        buffer_id: buffer_id.into(),
3237                        project_id,
3238                        operations,
3239                    }))
3240                })?;
3241                if let Some(request) = request
3242                    && request.await.is_err()
3243                    && !is_local
3244                {
3245                    *needs_resync_with_host = true;
3246                    break;
3247                }
3248            }
3249            Ok(())
3250        }
3251
3252        let mut needs_resync_with_host = false;
3253        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
3254
3255        while let Some(changes) = changes.next().await {
3256            let is_local = project.read_with(cx, |this, _| this.is_local())?;
3257
3258            for change in changes {
3259                match change {
3260                    BufferOrderedMessage::Operation {
3261                        buffer_id,
3262                        operation,
3263                    } => {
3264                        if needs_resync_with_host {
3265                            continue;
3266                        }
3267
3268                        operations_by_buffer_id
3269                            .entry(buffer_id)
3270                            .or_insert(Vec::new())
3271                            .push(operation);
3272                    }
3273
3274                    BufferOrderedMessage::Resync => {
3275                        operations_by_buffer_id.clear();
3276                        if project
3277                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
3278                            .await
3279                            .is_ok()
3280                        {
3281                            needs_resync_with_host = false;
3282                        }
3283                    }
3284
3285                    BufferOrderedMessage::LanguageServerUpdate {
3286                        language_server_id,
3287                        message,
3288                        name,
3289                    } => {
3290                        flush_operations(
3291                            &project,
3292                            &mut operations_by_buffer_id,
3293                            &mut needs_resync_with_host,
3294                            is_local,
3295                            cx,
3296                        )
3297                        .await?;
3298
3299                        project.read_with(cx, |project, _| {
3300                            if let Some(project_id) = project.remote_id() {
3301                                project
3302                                    .collab_client
3303                                    .send(proto::UpdateLanguageServer {
3304                                        project_id,
3305                                        server_name: name.map(|name| String::from(name.0)),
3306                                        language_server_id: language_server_id.to_proto(),
3307                                        variant: Some(message),
3308                                    })
3309                                    .log_err();
3310                            }
3311                        })?;
3312                    }
3313                }
3314            }
3315
3316            flush_operations(
3317                &project,
3318                &mut operations_by_buffer_id,
3319                &mut needs_resync_with_host,
3320                is_local,
3321                cx,
3322            )
3323            .await?;
3324        }
3325
3326        Ok(())
3327    }
3328
3329    fn on_buffer_store_event(
3330        &mut self,
3331        _: Entity<BufferStore>,
3332        event: &BufferStoreEvent,
3333        cx: &mut Context<Self>,
3334    ) {
3335        match event {
3336            BufferStoreEvent::BufferAdded(buffer) => {
3337                self.register_buffer(buffer, cx).log_err();
3338            }
3339            BufferStoreEvent::BufferDropped(buffer_id) => {
3340                if let Some(ref remote_client) = self.remote_client {
3341                    remote_client
3342                        .read(cx)
3343                        .proto_client()
3344                        .send(proto::CloseBuffer {
3345                            project_id: 0,
3346                            buffer_id: buffer_id.to_proto(),
3347                        })
3348                        .log_err();
3349                }
3350            }
3351            _ => {}
3352        }
3353    }
3354
3355    fn on_image_store_event(
3356        &mut self,
3357        _: Entity<ImageStore>,
3358        event: &ImageStoreEvent,
3359        cx: &mut Context<Self>,
3360    ) {
3361        match event {
3362            ImageStoreEvent::ImageAdded(image) => {
3363                cx.subscribe(image, |this, image, event, cx| {
3364                    this.on_image_event(image, event, cx);
3365                })
3366                .detach();
3367            }
3368        }
3369    }
3370
3371    fn on_dap_store_event(
3372        &mut self,
3373        _: Entity<DapStore>,
3374        event: &DapStoreEvent,
3375        cx: &mut Context<Self>,
3376    ) {
3377        if let DapStoreEvent::Notification(message) = event {
3378            cx.emit(Event::Toast {
3379                notification_id: "dap".into(),
3380                message: message.clone(),
3381                link: None,
3382            });
3383        }
3384    }
3385
3386    fn on_lsp_store_event(
3387        &mut self,
3388        _: Entity<LspStore>,
3389        event: &LspStoreEvent,
3390        cx: &mut Context<Self>,
3391    ) {
3392        match event {
3393            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
3394                cx.emit(Event::DiagnosticsUpdated {
3395                    paths: paths.clone(),
3396                    language_server_id: *server_id,
3397                })
3398            }
3399            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
3400                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
3401            ),
3402            LspStoreEvent::LanguageServerRemoved(server_id) => {
3403                cx.emit(Event::LanguageServerRemoved(*server_id))
3404            }
3405            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
3406                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
3407            ),
3408            LspStoreEvent::LanguageDetected {
3409                buffer,
3410                new_language,
3411            } => {
3412                let Some(_) = new_language else {
3413                    cx.emit(Event::LanguageNotFound(buffer.clone()));
3414                    return;
3415                };
3416            }
3417            LspStoreEvent::RefreshInlayHints {
3418                server_id,
3419                request_id,
3420            } => cx.emit(Event::RefreshInlayHints {
3421                server_id: *server_id,
3422                request_id: *request_id,
3423            }),
3424            LspStoreEvent::RefreshSemanticTokens {
3425                server_id,
3426                request_id,
3427            } => cx.emit(Event::RefreshSemanticTokens {
3428                server_id: *server_id,
3429                request_id: *request_id,
3430            }),
3431            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
3432            LspStoreEvent::LanguageServerPrompt(prompt) => {
3433                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
3434            }
3435            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
3436                cx.emit(Event::DiskBasedDiagnosticsStarted {
3437                    language_server_id: *language_server_id,
3438                });
3439            }
3440            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
3441                cx.emit(Event::DiskBasedDiagnosticsFinished {
3442                    language_server_id: *language_server_id,
3443                });
3444            }
3445            LspStoreEvent::LanguageServerUpdate {
3446                language_server_id,
3447                name,
3448                message,
3449            } => {
3450                if self.is_local() {
3451                    self.enqueue_buffer_ordered_message(
3452                        BufferOrderedMessage::LanguageServerUpdate {
3453                            language_server_id: *language_server_id,
3454                            message: message.clone(),
3455                            name: name.clone(),
3456                        },
3457                    )
3458                    .ok();
3459                }
3460
3461                match message {
3462                    proto::update_language_server::Variant::MetadataUpdated(update) => {
3463                        self.lsp_store.update(cx, |lsp_store, _| {
3464                            if let Some(capabilities) = update
3465                                .capabilities
3466                                .as_ref()
3467                                .and_then(|capabilities| serde_json::from_str(capabilities).ok())
3468                            {
3469                                lsp_store
3470                                    .lsp_server_capabilities
3471                                    .insert(*language_server_id, capabilities);
3472                            }
3473
3474                            if let Some(language_server_status) = lsp_store
3475                                .language_server_statuses
3476                                .get_mut(language_server_id)
3477                            {
3478                                if let Some(binary) = &update.binary {
3479                                    language_server_status.binary = Some(LanguageServerBinary {
3480                                        path: PathBuf::from(&binary.path),
3481                                        arguments: binary
3482                                            .arguments
3483                                            .iter()
3484                                            .map(OsString::from)
3485                                            .collect(),
3486                                        env: None,
3487                                    });
3488                                }
3489
3490                                language_server_status.configuration = update
3491                                    .configuration
3492                                    .as_ref()
3493                                    .and_then(|config_str| serde_json::from_str(config_str).ok());
3494
3495                                language_server_status.workspace_folders = update
3496                                    .workspace_folders
3497                                    .iter()
3498                                    .filter_map(|uri_str| lsp::Uri::from_str(uri_str).ok())
3499                                    .collect();
3500                            }
3501                        });
3502                    }
3503                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
3504                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
3505                            cx.emit(Event::LanguageServerBufferRegistered {
3506                                buffer_id,
3507                                server_id: *language_server_id,
3508                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
3509                                name: name.clone(),
3510                            });
3511                        }
3512                    }
3513                    _ => (),
3514                }
3515            }
3516            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
3517                notification_id: "lsp".into(),
3518                message: message.clone(),
3519                link: None,
3520            }),
3521            LspStoreEvent::SnippetEdit {
3522                buffer_id,
3523                edits,
3524                most_recent_edit,
3525            } => {
3526                if most_recent_edit.replica_id == self.replica_id() {
3527                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3528                }
3529            }
3530            LspStoreEvent::WorkspaceEditApplied(transaction) => {
3531                cx.emit(Event::WorkspaceEditApplied(transaction.clone()))
3532            }
3533        }
3534    }
3535
3536    fn on_remote_client_event(
3537        &mut self,
3538        _: Entity<RemoteClient>,
3539        event: &remote::RemoteClientEvent,
3540        cx: &mut Context<Self>,
3541    ) {
3542        match event {
3543            &remote::RemoteClientEvent::Disconnected { server_not_running } => {
3544                self.worktree_store.update(cx, |store, cx| {
3545                    store.disconnected_from_host(cx);
3546                });
3547                self.buffer_store.update(cx, |buffer_store, cx| {
3548                    buffer_store.disconnected_from_host(cx)
3549                });
3550                self.lsp_store.update(cx, |lsp_store, _cx| {
3551                    lsp_store.disconnected_from_ssh_remote()
3552                });
3553                cx.emit(Event::DisconnectedFromRemote { server_not_running });
3554            }
3555        }
3556    }
3557
3558    fn on_settings_observer_event(
3559        &mut self,
3560        _: Entity<SettingsObserver>,
3561        event: &SettingsObserverEvent,
3562        cx: &mut Context<Self>,
3563    ) {
3564        match event {
3565            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3566                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3567                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3568                    cx.emit(Event::Toast {
3569                        notification_id: format!("local-settings-{path:?}").into(),
3570                        link: None,
3571                        message,
3572                    });
3573                }
3574                Ok(path) => cx.emit(Event::HideToast {
3575                    notification_id: format!("local-settings-{path:?}").into(),
3576                }),
3577                Err(_) => {}
3578            },
3579            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3580                Err(InvalidSettingsError::Tasks { message, path }) => {
3581                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3582                    cx.emit(Event::Toast {
3583                        notification_id: format!("local-tasks-{path:?}").into(),
3584                        link: Some(ToastLink {
3585                            label: "Open Tasks Documentation",
3586                            url: "https://zed.dev/docs/tasks",
3587                        }),
3588                        message,
3589                    });
3590                }
3591                Ok(path) => cx.emit(Event::HideToast {
3592                    notification_id: format!("local-tasks-{path:?}").into(),
3593                }),
3594                Err(_) => {}
3595            },
3596            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3597                Err(InvalidSettingsError::Debug { message, path }) => {
3598                    let message =
3599                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3600                    cx.emit(Event::Toast {
3601                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3602                        link: None,
3603                        message,
3604                    });
3605                }
3606                Ok(path) => cx.emit(Event::HideToast {
3607                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3608                }),
3609                Err(_) => {}
3610            },
3611        }
3612    }
3613
3614    fn on_worktree_store_event(
3615        &mut self,
3616        _: Entity<WorktreeStore>,
3617        event: &WorktreeStoreEvent,
3618        cx: &mut Context<Self>,
3619    ) {
3620        match event {
3621            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3622                self.on_worktree_added(worktree, cx);
3623                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3624            }
3625            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3626                cx.emit(Event::WorktreeRemoved(*id));
3627            }
3628            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3629                self.on_worktree_released(*id, cx);
3630            }
3631            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3632            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3633            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3634                self.client()
3635                    .telemetry()
3636                    .report_discovered_project_type_events(*worktree_id, changes);
3637                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3638            }
3639            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3640                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3641            }
3642            // Listen to the GitStore instead.
3643            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3644        }
3645    }
3646
3647    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3648        let mut remotely_created_models = self.remotely_created_models.lock();
3649        if remotely_created_models.retain_count > 0 {
3650            remotely_created_models.worktrees.push(worktree.clone())
3651        }
3652    }
3653
3654    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3655        if let Some(remote) = &self.remote_client {
3656            remote
3657                .read(cx)
3658                .proto_client()
3659                .send(proto::RemoveWorktree {
3660                    worktree_id: id_to_remove.to_proto(),
3661                })
3662                .log_err();
3663        }
3664    }
3665
3666    fn on_buffer_event(
3667        &mut self,
3668        buffer: Entity<Buffer>,
3669        event: &BufferEvent,
3670        cx: &mut Context<Self>,
3671    ) -> Option<()> {
3672        if matches!(event, BufferEvent::Edited { .. } | BufferEvent::Reloaded) {
3673            self.request_buffer_diff_recalculation(&buffer, cx);
3674        }
3675
3676        if matches!(event, BufferEvent::Edited { .. }) {
3677            cx.emit(Event::BufferEdited);
3678        }
3679
3680        let buffer_id = buffer.read(cx).remote_id();
3681        match event {
3682            BufferEvent::ReloadNeeded => {
3683                if !self.is_via_collab() {
3684                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3685                        .detach_and_log_err(cx);
3686                }
3687            }
3688            BufferEvent::Operation {
3689                operation,
3690                is_local: true,
3691            } => {
3692                let operation = language::proto::serialize_operation(operation);
3693
3694                if let Some(remote) = &self.remote_client {
3695                    remote
3696                        .read(cx)
3697                        .proto_client()
3698                        .send(proto::UpdateBuffer {
3699                            project_id: 0,
3700                            buffer_id: buffer_id.to_proto(),
3701                            operations: vec![operation.clone()],
3702                        })
3703                        .ok();
3704                }
3705
3706                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3707                    buffer_id,
3708                    operation,
3709                })
3710                .ok();
3711            }
3712
3713            _ => {}
3714        }
3715
3716        None
3717    }
3718
3719    fn on_image_event(
3720        &mut self,
3721        image: Entity<ImageItem>,
3722        event: &ImageItemEvent,
3723        cx: &mut Context<Self>,
3724    ) -> Option<()> {
3725        // TODO: handle image events from remote
3726        if let ImageItemEvent::ReloadNeeded = event
3727            && !self.is_via_collab()
3728        {
3729            self.reload_images([image].into_iter().collect(), cx)
3730                .detach_and_log_err(cx);
3731        }
3732
3733        None
3734    }
3735
3736    fn request_buffer_diff_recalculation(
3737        &mut self,
3738        buffer: &Entity<Buffer>,
3739        cx: &mut Context<Self>,
3740    ) {
3741        self.buffers_needing_diff.insert(buffer.downgrade());
3742        let first_insertion = self.buffers_needing_diff.len() == 1;
3743        let settings = ProjectSettings::get_global(cx);
3744        let delay = settings.git.gutter_debounce;
3745
3746        if delay == 0 {
3747            if first_insertion {
3748                let this = cx.weak_entity();
3749                cx.defer(move |cx| {
3750                    if let Some(this) = this.upgrade() {
3751                        this.update(cx, |this, cx| {
3752                            this.recalculate_buffer_diffs(cx).detach();
3753                        });
3754                    }
3755                });
3756            }
3757            return;
3758        }
3759
3760        const MIN_DELAY: u64 = 50;
3761        let delay = delay.max(MIN_DELAY);
3762        let duration = Duration::from_millis(delay);
3763
3764        self.git_diff_debouncer
3765            .fire_new(duration, cx, move |this, cx| {
3766                this.recalculate_buffer_diffs(cx)
3767            });
3768    }
3769
3770    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3771        cx.spawn(async move |this, cx| {
3772            loop {
3773                let task = this
3774                    .update(cx, |this, cx| {
3775                        let buffers = this
3776                            .buffers_needing_diff
3777                            .drain()
3778                            .filter_map(|buffer| buffer.upgrade())
3779                            .collect::<Vec<_>>();
3780                        if buffers.is_empty() {
3781                            None
3782                        } else {
3783                            Some(this.git_store.update(cx, |git_store, cx| {
3784                                git_store.recalculate_buffer_diffs(buffers, cx)
3785                            }))
3786                        }
3787                    })
3788                    .ok()
3789                    .flatten();
3790
3791                if let Some(task) = task {
3792                    task.await;
3793                } else {
3794                    break;
3795                }
3796            }
3797        })
3798    }
3799
3800    pub fn set_language_for_buffer(
3801        &mut self,
3802        buffer: &Entity<Buffer>,
3803        new_language: Arc<Language>,
3804        cx: &mut Context<Self>,
3805    ) {
3806        self.lsp_store.update(cx, |lsp_store, cx| {
3807            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3808        })
3809    }
3810
3811    pub fn restart_language_servers_for_buffers(
3812        &mut self,
3813        buffers: Vec<Entity<Buffer>>,
3814        only_restart_servers: HashSet<LanguageServerSelector>,
3815        cx: &mut Context<Self>,
3816    ) {
3817        self.lsp_store.update(cx, |lsp_store, cx| {
3818            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3819        })
3820    }
3821
3822    pub fn stop_language_servers_for_buffers(
3823        &mut self,
3824        buffers: Vec<Entity<Buffer>>,
3825        also_restart_servers: HashSet<LanguageServerSelector>,
3826        cx: &mut Context<Self>,
3827    ) {
3828        self.lsp_store
3829            .update(cx, |lsp_store, cx| {
3830                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3831            })
3832            .detach_and_log_err(cx);
3833    }
3834
3835    pub fn cancel_language_server_work_for_buffers(
3836        &mut self,
3837        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3838        cx: &mut Context<Self>,
3839    ) {
3840        self.lsp_store.update(cx, |lsp_store, cx| {
3841            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3842        })
3843    }
3844
3845    pub fn cancel_language_server_work(
3846        &mut self,
3847        server_id: LanguageServerId,
3848        token_to_cancel: Option<ProgressToken>,
3849        cx: &mut Context<Self>,
3850    ) {
3851        self.lsp_store.update(cx, |lsp_store, cx| {
3852            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3853        })
3854    }
3855
3856    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3857        self.buffer_ordered_messages_tx
3858            .unbounded_send(message)
3859            .map_err(|e| anyhow!(e))
3860    }
3861
3862    pub fn available_toolchains(
3863        &self,
3864        path: ProjectPath,
3865        language_name: LanguageName,
3866        cx: &App,
3867    ) -> Task<Option<Toolchains>> {
3868        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3869            cx.spawn(async move |cx| {
3870                toolchain_store
3871                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3872                    .ok()?
3873                    .await
3874            })
3875        } else {
3876            Task::ready(None)
3877        }
3878    }
3879
3880    pub async fn toolchain_metadata(
3881        languages: Arc<LanguageRegistry>,
3882        language_name: LanguageName,
3883    ) -> Option<ToolchainMetadata> {
3884        languages
3885            .language_for_name(language_name.as_ref())
3886            .await
3887            .ok()?
3888            .toolchain_lister()
3889            .map(|lister| lister.meta())
3890    }
3891
3892    pub fn add_toolchain(
3893        &self,
3894        toolchain: Toolchain,
3895        scope: ToolchainScope,
3896        cx: &mut Context<Self>,
3897    ) {
3898        maybe!({
3899            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3900                this.add_toolchain(toolchain, scope, cx);
3901            });
3902            Some(())
3903        });
3904    }
3905
3906    pub fn remove_toolchain(
3907        &self,
3908        toolchain: Toolchain,
3909        scope: ToolchainScope,
3910        cx: &mut Context<Self>,
3911    ) {
3912        maybe!({
3913            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3914                this.remove_toolchain(toolchain, scope, cx);
3915            });
3916            Some(())
3917        });
3918    }
3919
3920    pub fn user_toolchains(
3921        &self,
3922        cx: &App,
3923    ) -> Option<BTreeMap<ToolchainScope, IndexSet<Toolchain>>> {
3924        Some(self.toolchain_store.as_ref()?.read(cx).user_toolchains())
3925    }
3926
3927    pub fn resolve_toolchain(
3928        &self,
3929        path: PathBuf,
3930        language_name: LanguageName,
3931        cx: &App,
3932    ) -> Task<Result<Toolchain>> {
3933        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3934            cx.spawn(async move |cx| {
3935                toolchain_store
3936                    .update(cx, |this, cx| {
3937                        this.resolve_toolchain(path, language_name, cx)
3938                    })?
3939                    .await
3940            })
3941        } else {
3942            Task::ready(Err(anyhow!("This project does not support toolchains")))
3943        }
3944    }
3945
3946    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3947        self.toolchain_store.clone()
3948    }
3949    pub fn activate_toolchain(
3950        &self,
3951        path: ProjectPath,
3952        toolchain: Toolchain,
3953        cx: &mut App,
3954    ) -> Task<Option<()>> {
3955        let Some(toolchain_store) = self.toolchain_store.clone() else {
3956            return Task::ready(None);
3957        };
3958        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3959    }
3960    pub fn active_toolchain(
3961        &self,
3962        path: ProjectPath,
3963        language_name: LanguageName,
3964        cx: &App,
3965    ) -> Task<Option<Toolchain>> {
3966        let Some(toolchain_store) = self.toolchain_store.clone() else {
3967            return Task::ready(None);
3968        };
3969        toolchain_store
3970            .read(cx)
3971            .active_toolchain(path, language_name, cx)
3972    }
3973    pub fn language_server_statuses<'a>(
3974        &'a self,
3975        cx: &'a App,
3976    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3977        self.lsp_store.read(cx).language_server_statuses()
3978    }
3979
3980    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3981        self.lsp_store.read(cx).last_formatting_failure()
3982    }
3983
3984    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3985        self.lsp_store
3986            .update(cx, |store, _| store.reset_last_formatting_failure());
3987    }
3988
3989    pub fn reload_buffers(
3990        &self,
3991        buffers: HashSet<Entity<Buffer>>,
3992        push_to_history: bool,
3993        cx: &mut Context<Self>,
3994    ) -> Task<Result<ProjectTransaction>> {
3995        self.buffer_store.update(cx, |buffer_store, cx| {
3996            buffer_store.reload_buffers(buffers, push_to_history, cx)
3997        })
3998    }
3999
4000    pub fn reload_images(
4001        &self,
4002        images: HashSet<Entity<ImageItem>>,
4003        cx: &mut Context<Self>,
4004    ) -> Task<Result<()>> {
4005        self.image_store
4006            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
4007    }
4008
4009    pub fn format(
4010        &mut self,
4011        buffers: HashSet<Entity<Buffer>>,
4012        target: LspFormatTarget,
4013        push_to_history: bool,
4014        trigger: lsp_store::FormatTrigger,
4015        cx: &mut Context<Project>,
4016    ) -> Task<anyhow::Result<ProjectTransaction>> {
4017        self.lsp_store.update(cx, |lsp_store, cx| {
4018            lsp_store.format(buffers, target, push_to_history, trigger, cx)
4019        })
4020    }
4021
4022    pub fn definitions<T: ToPointUtf16>(
4023        &mut self,
4024        buffer: &Entity<Buffer>,
4025        position: T,
4026        cx: &mut Context<Self>,
4027    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4028        let position = position.to_point_utf16(buffer.read(cx));
4029        let guard = self.retain_remotely_created_models(cx);
4030        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4031            lsp_store.definitions(buffer, position, cx)
4032        });
4033        cx.background_spawn(async move {
4034            let result = task.await;
4035            drop(guard);
4036            result
4037        })
4038    }
4039
4040    pub fn declarations<T: ToPointUtf16>(
4041        &mut self,
4042        buffer: &Entity<Buffer>,
4043        position: T,
4044        cx: &mut Context<Self>,
4045    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4046        let position = position.to_point_utf16(buffer.read(cx));
4047        let guard = self.retain_remotely_created_models(cx);
4048        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4049            lsp_store.declarations(buffer, position, cx)
4050        });
4051        cx.background_spawn(async move {
4052            let result = task.await;
4053            drop(guard);
4054            result
4055        })
4056    }
4057
4058    pub fn type_definitions<T: ToPointUtf16>(
4059        &mut self,
4060        buffer: &Entity<Buffer>,
4061        position: T,
4062        cx: &mut Context<Self>,
4063    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4064        let position = position.to_point_utf16(buffer.read(cx));
4065        let guard = self.retain_remotely_created_models(cx);
4066        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4067            lsp_store.type_definitions(buffer, position, cx)
4068        });
4069        cx.background_spawn(async move {
4070            let result = task.await;
4071            drop(guard);
4072            result
4073        })
4074    }
4075
4076    pub fn implementations<T: ToPointUtf16>(
4077        &mut self,
4078        buffer: &Entity<Buffer>,
4079        position: T,
4080        cx: &mut Context<Self>,
4081    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4082        let position = position.to_point_utf16(buffer.read(cx));
4083        let guard = self.retain_remotely_created_models(cx);
4084        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4085            lsp_store.implementations(buffer, position, cx)
4086        });
4087        cx.background_spawn(async move {
4088            let result = task.await;
4089            drop(guard);
4090            result
4091        })
4092    }
4093
4094    pub fn references<T: ToPointUtf16>(
4095        &mut self,
4096        buffer: &Entity<Buffer>,
4097        position: T,
4098        cx: &mut Context<Self>,
4099    ) -> Task<Result<Option<Vec<Location>>>> {
4100        let position = position.to_point_utf16(buffer.read(cx));
4101        let guard = self.retain_remotely_created_models(cx);
4102        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4103            lsp_store.references(buffer, position, cx)
4104        });
4105        cx.background_spawn(async move {
4106            let result = task.await;
4107            drop(guard);
4108            result
4109        })
4110    }
4111
4112    pub fn document_highlights<T: ToPointUtf16>(
4113        &mut self,
4114        buffer: &Entity<Buffer>,
4115        position: T,
4116        cx: &mut Context<Self>,
4117    ) -> Task<Result<Vec<DocumentHighlight>>> {
4118        let position = position.to_point_utf16(buffer.read(cx));
4119        self.request_lsp(
4120            buffer.clone(),
4121            LanguageServerToQuery::FirstCapable,
4122            GetDocumentHighlights { position },
4123            cx,
4124        )
4125    }
4126
4127    pub fn document_symbols(
4128        &mut self,
4129        buffer: &Entity<Buffer>,
4130        cx: &mut Context<Self>,
4131    ) -> Task<Result<Vec<DocumentSymbol>>> {
4132        self.request_lsp(
4133            buffer.clone(),
4134            LanguageServerToQuery::FirstCapable,
4135            GetDocumentSymbols,
4136            cx,
4137        )
4138    }
4139
4140    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
4141        self.lsp_store
4142            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
4143    }
4144
4145    pub fn open_buffer_for_symbol(
4146        &mut self,
4147        symbol: &Symbol,
4148        cx: &mut Context<Self>,
4149    ) -> Task<Result<Entity<Buffer>>> {
4150        self.lsp_store.update(cx, |lsp_store, cx| {
4151            lsp_store.open_buffer_for_symbol(symbol, cx)
4152        })
4153    }
4154
4155    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
4156        let guard = self.retain_remotely_created_models(cx);
4157        let Some(remote) = self.remote_client.as_ref() else {
4158            return Task::ready(Err(anyhow!("not an ssh project")));
4159        };
4160
4161        let proto_client = remote.read(cx).proto_client();
4162
4163        cx.spawn(async move |project, cx| {
4164            let buffer = proto_client
4165                .request(proto::OpenServerSettings {
4166                    project_id: REMOTE_SERVER_PROJECT_ID,
4167                })
4168                .await?;
4169
4170            let buffer = project
4171                .update(cx, |project, cx| {
4172                    project.buffer_store.update(cx, |buffer_store, cx| {
4173                        anyhow::Ok(
4174                            buffer_store
4175                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
4176                        )
4177                    })
4178                })??
4179                .await;
4180
4181            drop(guard);
4182            buffer
4183        })
4184    }
4185
4186    pub fn open_local_buffer_via_lsp(
4187        &mut self,
4188        abs_path: lsp::Uri,
4189        language_server_id: LanguageServerId,
4190        cx: &mut Context<Self>,
4191    ) -> Task<Result<Entity<Buffer>>> {
4192        self.lsp_store.update(cx, |lsp_store, cx| {
4193            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
4194        })
4195    }
4196
4197    pub fn hover<T: ToPointUtf16>(
4198        &self,
4199        buffer: &Entity<Buffer>,
4200        position: T,
4201        cx: &mut Context<Self>,
4202    ) -> Task<Option<Vec<Hover>>> {
4203        let position = position.to_point_utf16(buffer.read(cx));
4204        self.lsp_store
4205            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
4206    }
4207
4208    pub fn linked_edits(
4209        &self,
4210        buffer: &Entity<Buffer>,
4211        position: Anchor,
4212        cx: &mut Context<Self>,
4213    ) -> Task<Result<Vec<Range<Anchor>>>> {
4214        self.lsp_store.update(cx, |lsp_store, cx| {
4215            lsp_store.linked_edits(buffer, position, cx)
4216        })
4217    }
4218
4219    pub fn completions<T: ToOffset + ToPointUtf16>(
4220        &self,
4221        buffer: &Entity<Buffer>,
4222        position: T,
4223        context: CompletionContext,
4224        cx: &mut Context<Self>,
4225    ) -> Task<Result<Vec<CompletionResponse>>> {
4226        let position = position.to_point_utf16(buffer.read(cx));
4227        self.lsp_store.update(cx, |lsp_store, cx| {
4228            lsp_store.completions(buffer, position, context, cx)
4229        })
4230    }
4231
4232    pub fn code_actions<T: Clone + ToOffset>(
4233        &mut self,
4234        buffer_handle: &Entity<Buffer>,
4235        range: Range<T>,
4236        kinds: Option<Vec<CodeActionKind>>,
4237        cx: &mut Context<Self>,
4238    ) -> Task<Result<Option<Vec<CodeAction>>>> {
4239        let buffer = buffer_handle.read(cx);
4240        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
4241        self.lsp_store.update(cx, |lsp_store, cx| {
4242            lsp_store.code_actions(buffer_handle, range, kinds, cx)
4243        })
4244    }
4245
4246    pub fn code_lens_actions<T: Clone + ToOffset>(
4247        &mut self,
4248        buffer: &Entity<Buffer>,
4249        range: Range<T>,
4250        cx: &mut Context<Self>,
4251    ) -> Task<Result<Option<Vec<CodeAction>>>> {
4252        let snapshot = buffer.read(cx).snapshot();
4253        let range = range.to_point(&snapshot);
4254        let range_start = snapshot.anchor_before(range.start);
4255        let range_end = if range.start == range.end {
4256            range_start
4257        } else {
4258            snapshot.anchor_after(range.end)
4259        };
4260        let range = range_start..range_end;
4261        let code_lens_actions = self
4262            .lsp_store
4263            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
4264
4265        cx.background_spawn(async move {
4266            let mut code_lens_actions = code_lens_actions
4267                .await
4268                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
4269            if let Some(code_lens_actions) = &mut code_lens_actions {
4270                code_lens_actions.retain(|code_lens_action| {
4271                    range
4272                        .start
4273                        .cmp(&code_lens_action.range.start, &snapshot)
4274                        .is_ge()
4275                        && range
4276                            .end
4277                            .cmp(&code_lens_action.range.end, &snapshot)
4278                            .is_le()
4279                });
4280            }
4281            Ok(code_lens_actions)
4282        })
4283    }
4284
4285    pub fn apply_code_action(
4286        &self,
4287        buffer_handle: Entity<Buffer>,
4288        action: CodeAction,
4289        push_to_history: bool,
4290        cx: &mut Context<Self>,
4291    ) -> Task<Result<ProjectTransaction>> {
4292        self.lsp_store.update(cx, |lsp_store, cx| {
4293            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
4294        })
4295    }
4296
4297    pub fn apply_code_action_kind(
4298        &self,
4299        buffers: HashSet<Entity<Buffer>>,
4300        kind: CodeActionKind,
4301        push_to_history: bool,
4302        cx: &mut Context<Self>,
4303    ) -> Task<Result<ProjectTransaction>> {
4304        self.lsp_store.update(cx, |lsp_store, cx| {
4305            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
4306        })
4307    }
4308
4309    pub fn prepare_rename<T: ToPointUtf16>(
4310        &mut self,
4311        buffer: Entity<Buffer>,
4312        position: T,
4313        cx: &mut Context<Self>,
4314    ) -> Task<Result<PrepareRenameResponse>> {
4315        let position = position.to_point_utf16(buffer.read(cx));
4316        self.request_lsp(
4317            buffer,
4318            LanguageServerToQuery::FirstCapable,
4319            PrepareRename { position },
4320            cx,
4321        )
4322    }
4323
4324    pub fn perform_rename<T: ToPointUtf16>(
4325        &mut self,
4326        buffer: Entity<Buffer>,
4327        position: T,
4328        new_name: String,
4329        cx: &mut Context<Self>,
4330    ) -> Task<Result<ProjectTransaction>> {
4331        let push_to_history = true;
4332        let position = position.to_point_utf16(buffer.read(cx));
4333        self.request_lsp(
4334            buffer,
4335            LanguageServerToQuery::FirstCapable,
4336            PerformRename {
4337                position,
4338                new_name,
4339                push_to_history,
4340            },
4341            cx,
4342        )
4343    }
4344
4345    pub fn on_type_format<T: ToPointUtf16>(
4346        &mut self,
4347        buffer: Entity<Buffer>,
4348        position: T,
4349        trigger: String,
4350        push_to_history: bool,
4351        cx: &mut Context<Self>,
4352    ) -> Task<Result<Option<Transaction>>> {
4353        self.lsp_store.update(cx, |lsp_store, cx| {
4354            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
4355        })
4356    }
4357
4358    pub fn inline_values(
4359        &mut self,
4360        session: Entity<Session>,
4361        active_stack_frame: ActiveStackFrame,
4362        buffer_handle: Entity<Buffer>,
4363        range: Range<text::Anchor>,
4364        cx: &mut Context<Self>,
4365    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
4366        let snapshot = buffer_handle.read(cx).snapshot();
4367
4368        let captures =
4369            snapshot.debug_variables_query(Anchor::min_for_buffer(snapshot.remote_id())..range.end);
4370
4371        let row = snapshot
4372            .summary_for_anchor::<text::PointUtf16>(&range.end)
4373            .row as usize;
4374
4375        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
4376
4377        let stack_frame_id = active_stack_frame.stack_frame_id;
4378        cx.spawn(async move |this, cx| {
4379            this.update(cx, |project, cx| {
4380                project.dap_store().update(cx, |dap_store, cx| {
4381                    dap_store.resolve_inline_value_locations(
4382                        session,
4383                        stack_frame_id,
4384                        buffer_handle,
4385                        inline_value_locations,
4386                        cx,
4387                    )
4388                })
4389            })?
4390            .await
4391        })
4392    }
4393
4394    fn search_impl(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> SearchResultsHandle {
4395        let client: Option<(AnyProtoClient, _)> = if let Some(ssh_client) = &self.remote_client {
4396            Some((ssh_client.read(cx).proto_client(), 0))
4397        } else if let Some(remote_id) = self.remote_id() {
4398            self.is_local()
4399                .not()
4400                .then(|| (self.collab_client.clone().into(), remote_id))
4401        } else {
4402            None
4403        };
4404        let searcher = if query.is_opened_only() {
4405            project_search::Search::open_buffers_only(
4406                self.buffer_store.clone(),
4407                self.worktree_store.clone(),
4408                project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4409            )
4410        } else {
4411            match client {
4412                Some((client, remote_id)) => project_search::Search::remote(
4413                    self.buffer_store.clone(),
4414                    self.worktree_store.clone(),
4415                    project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4416                    (client, remote_id, self.remotely_created_models.clone()),
4417                ),
4418                None => project_search::Search::local(
4419                    self.fs.clone(),
4420                    self.buffer_store.clone(),
4421                    self.worktree_store.clone(),
4422                    project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4423                    cx,
4424                ),
4425            }
4426        };
4427        searcher.into_handle(query, cx)
4428    }
4429
4430    pub fn search(
4431        &mut self,
4432        query: SearchQuery,
4433        cx: &mut Context<Self>,
4434    ) -> SearchResults<SearchResult> {
4435        self.search_impl(query, cx).results(cx)
4436    }
4437
4438    pub fn request_lsp<R: LspCommand>(
4439        &mut self,
4440        buffer_handle: Entity<Buffer>,
4441        server: LanguageServerToQuery,
4442        request: R,
4443        cx: &mut Context<Self>,
4444    ) -> Task<Result<R::Response>>
4445    where
4446        <R::LspRequest as lsp::request::Request>::Result: Send,
4447        <R::LspRequest as lsp::request::Request>::Params: Send,
4448    {
4449        let guard = self.retain_remotely_created_models(cx);
4450        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4451            lsp_store.request_lsp(buffer_handle, server, request, cx)
4452        });
4453        cx.background_spawn(async move {
4454            let result = task.await;
4455            drop(guard);
4456            result
4457        })
4458    }
4459
4460    /// Move a worktree to a new position in the worktree order.
4461    ///
4462    /// The worktree will moved to the opposite side of the destination worktree.
4463    ///
4464    /// # Example
4465    ///
4466    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4467    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4468    ///
4469    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4470    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4471    ///
4472    /// # Errors
4473    ///
4474    /// An error will be returned if the worktree or destination worktree are not found.
4475    pub fn move_worktree(
4476        &mut self,
4477        source: WorktreeId,
4478        destination: WorktreeId,
4479        cx: &mut Context<Self>,
4480    ) -> Result<()> {
4481        self.worktree_store.update(cx, |worktree_store, cx| {
4482            worktree_store.move_worktree(source, destination, cx)
4483        })
4484    }
4485
4486    /// Attempts to convert the input path to a WSL path if this is a wsl remote project and the input path is a host windows path.
4487    pub fn try_windows_path_to_wsl(
4488        &self,
4489        abs_path: &Path,
4490        cx: &App,
4491    ) -> impl Future<Output = Result<PathBuf>> + use<> {
4492        let fut = if cfg!(windows)
4493            && let (
4494                ProjectClientState::Local | ProjectClientState::Shared { .. },
4495                Some(remote_client),
4496            ) = (&self.client_state, &self.remote_client)
4497            && let RemoteConnectionOptions::Wsl(wsl) = remote_client.read(cx).connection_options()
4498        {
4499            Either::Left(wsl.abs_windows_path_to_wsl_path(abs_path))
4500        } else {
4501            Either::Right(abs_path.to_owned())
4502        };
4503        async move {
4504            match fut {
4505                Either::Left(fut) => fut.await.map(Into::into),
4506                Either::Right(path) => Ok(path),
4507            }
4508        }
4509    }
4510
4511    pub fn find_or_create_worktree(
4512        &mut self,
4513        abs_path: impl AsRef<Path>,
4514        visible: bool,
4515        cx: &mut Context<Self>,
4516    ) -> Task<Result<(Entity<Worktree>, Arc<RelPath>)>> {
4517        self.worktree_store.update(cx, |worktree_store, cx| {
4518            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4519        })
4520    }
4521
4522    pub fn find_worktree(
4523        &self,
4524        abs_path: &Path,
4525        cx: &App,
4526    ) -> Option<(Entity<Worktree>, Arc<RelPath>)> {
4527        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4528    }
4529
4530    pub fn is_shared(&self) -> bool {
4531        match &self.client_state {
4532            ProjectClientState::Shared { .. } => true,
4533            ProjectClientState::Local => false,
4534            ProjectClientState::Collab { .. } => true,
4535        }
4536    }
4537
4538    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4539    pub fn resolve_path_in_buffer(
4540        &self,
4541        path: &str,
4542        buffer: &Entity<Buffer>,
4543        cx: &mut Context<Self>,
4544    ) -> Task<Option<ResolvedPath>> {
4545        if util::paths::is_absolute(path, self.path_style(cx)) || path.starts_with("~") {
4546            self.resolve_abs_path(path, cx)
4547        } else {
4548            self.resolve_path_in_worktrees(path, buffer, cx)
4549        }
4550    }
4551
4552    pub fn resolve_abs_file_path(
4553        &self,
4554        path: &str,
4555        cx: &mut Context<Self>,
4556    ) -> Task<Option<ResolvedPath>> {
4557        let resolve_task = self.resolve_abs_path(path, cx);
4558        cx.background_spawn(async move {
4559            let resolved_path = resolve_task.await;
4560            resolved_path.filter(|path| path.is_file())
4561        })
4562    }
4563
4564    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4565        if self.is_local() {
4566            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4567            let fs = self.fs.clone();
4568            cx.background_spawn(async move {
4569                let metadata = fs.metadata(&expanded).await.ok().flatten();
4570
4571                metadata.map(|metadata| ResolvedPath::AbsPath {
4572                    path: expanded.to_string_lossy().into_owned(),
4573                    is_dir: metadata.is_dir,
4574                })
4575            })
4576        } else if let Some(ssh_client) = self.remote_client.as_ref() {
4577            let request = ssh_client
4578                .read(cx)
4579                .proto_client()
4580                .request(proto::GetPathMetadata {
4581                    project_id: REMOTE_SERVER_PROJECT_ID,
4582                    path: path.into(),
4583                });
4584            cx.background_spawn(async move {
4585                let response = request.await.log_err()?;
4586                if response.exists {
4587                    Some(ResolvedPath::AbsPath {
4588                        path: response.path,
4589                        is_dir: response.is_dir,
4590                    })
4591                } else {
4592                    None
4593                }
4594            })
4595        } else {
4596            Task::ready(None)
4597        }
4598    }
4599
4600    fn resolve_path_in_worktrees(
4601        &self,
4602        path: &str,
4603        buffer: &Entity<Buffer>,
4604        cx: &mut Context<Self>,
4605    ) -> Task<Option<ResolvedPath>> {
4606        let mut candidates = vec![];
4607        let path_style = self.path_style(cx);
4608        if let Ok(path) = RelPath::new(path.as_ref(), path_style) {
4609            candidates.push(path.into_arc());
4610        }
4611
4612        if let Some(file) = buffer.read(cx).file()
4613            && let Some(dir) = file.path().parent()
4614        {
4615            if let Some(joined) = path_style.join(&*dir.display(path_style), path)
4616                && let Some(joined) = RelPath::new(joined.as_ref(), path_style).ok()
4617            {
4618                candidates.push(joined.into_arc());
4619            }
4620        }
4621
4622        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4623        let worktrees_with_ids: Vec<_> = self
4624            .worktrees(cx)
4625            .map(|worktree| {
4626                let id = worktree.read(cx).id();
4627                (worktree, id)
4628            })
4629            .collect();
4630
4631        cx.spawn(async move |_, cx| {
4632            if let Some(buffer_worktree_id) = buffer_worktree_id
4633                && let Some((worktree, _)) = worktrees_with_ids
4634                    .iter()
4635                    .find(|(_, id)| *id == buffer_worktree_id)
4636            {
4637                for candidate in candidates.iter() {
4638                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4639                        return Some(path);
4640                    }
4641                }
4642            }
4643            for (worktree, id) in worktrees_with_ids {
4644                if Some(id) == buffer_worktree_id {
4645                    continue;
4646                }
4647                for candidate in candidates.iter() {
4648                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4649                        return Some(path);
4650                    }
4651                }
4652            }
4653            None
4654        })
4655    }
4656
4657    fn resolve_path_in_worktree(
4658        worktree: &Entity<Worktree>,
4659        path: &RelPath,
4660        cx: &mut AsyncApp,
4661    ) -> Option<ResolvedPath> {
4662        worktree.read_with(cx, |worktree, _| {
4663            worktree.entry_for_path(path).map(|entry| {
4664                let project_path = ProjectPath {
4665                    worktree_id: worktree.id(),
4666                    path: entry.path.clone(),
4667                };
4668                ResolvedPath::ProjectPath {
4669                    project_path,
4670                    is_dir: entry.is_dir(),
4671                }
4672            })
4673        })
4674    }
4675
4676    pub fn list_directory(
4677        &self,
4678        query: String,
4679        cx: &mut Context<Self>,
4680    ) -> Task<Result<Vec<DirectoryItem>>> {
4681        if self.is_local() {
4682            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4683        } else if let Some(session) = self.remote_client.as_ref() {
4684            let request = proto::ListRemoteDirectory {
4685                dev_server_id: REMOTE_SERVER_PROJECT_ID,
4686                path: query,
4687                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4688            };
4689
4690            let response = session.read(cx).proto_client().request(request);
4691            cx.background_spawn(async move {
4692                let proto::ListRemoteDirectoryResponse {
4693                    entries,
4694                    entry_info,
4695                } = response.await?;
4696                Ok(entries
4697                    .into_iter()
4698                    .zip(entry_info)
4699                    .map(|(entry, info)| DirectoryItem {
4700                        path: PathBuf::from(entry),
4701                        is_dir: info.is_dir,
4702                    })
4703                    .collect())
4704            })
4705        } else {
4706            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4707        }
4708    }
4709
4710    pub fn create_worktree(
4711        &mut self,
4712        abs_path: impl AsRef<Path>,
4713        visible: bool,
4714        cx: &mut Context<Self>,
4715    ) -> Task<Result<Entity<Worktree>>> {
4716        self.worktree_store.update(cx, |worktree_store, cx| {
4717            worktree_store.create_worktree(abs_path, visible, cx)
4718        })
4719    }
4720
4721    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4722        self.worktree_store.update(cx, |worktree_store, cx| {
4723            worktree_store.remove_worktree(id_to_remove, cx);
4724        });
4725    }
4726
4727    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4728        self.worktree_store.update(cx, |worktree_store, cx| {
4729            worktree_store.add(worktree, cx);
4730        });
4731    }
4732
4733    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4734        let new_active_entry = entry.and_then(|project_path| {
4735            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4736            let entry = worktree.read(cx).entry_for_path(&project_path.path)?;
4737            Some(entry.id)
4738        });
4739        if new_active_entry != self.active_entry {
4740            self.active_entry = new_active_entry;
4741            self.lsp_store.update(cx, |lsp_store, _| {
4742                lsp_store.set_active_entry(new_active_entry);
4743            });
4744            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4745        }
4746    }
4747
4748    pub fn language_servers_running_disk_based_diagnostics<'a>(
4749        &'a self,
4750        cx: &'a App,
4751    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4752        self.lsp_store
4753            .read(cx)
4754            .language_servers_running_disk_based_diagnostics()
4755    }
4756
4757    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4758        self.lsp_store
4759            .read(cx)
4760            .diagnostic_summary(include_ignored, cx)
4761    }
4762
4763    /// Returns a summary of the diagnostics for the provided project path only.
4764    pub fn diagnostic_summary_for_path(&self, path: &ProjectPath, cx: &App) -> DiagnosticSummary {
4765        self.lsp_store
4766            .read(cx)
4767            .diagnostic_summary_for_path(path, cx)
4768    }
4769
4770    pub fn diagnostic_summaries<'a>(
4771        &'a self,
4772        include_ignored: bool,
4773        cx: &'a App,
4774    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4775        self.lsp_store
4776            .read(cx)
4777            .diagnostic_summaries(include_ignored, cx)
4778    }
4779
4780    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4781        self.active_entry
4782    }
4783
4784    pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
4785        self.worktree_store.read(cx).entry_for_path(path, cx)
4786    }
4787
4788    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4789        let worktree = self.worktree_for_entry(entry_id, cx)?;
4790        let worktree = worktree.read(cx);
4791        let worktree_id = worktree.id();
4792        let path = worktree.entry_for_id(entry_id)?.path.clone();
4793        Some(ProjectPath { worktree_id, path })
4794    }
4795
4796    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4797        Some(
4798            self.worktree_for_id(project_path.worktree_id, cx)?
4799                .read(cx)
4800                .absolutize(&project_path.path),
4801        )
4802    }
4803
4804    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4805    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4806    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4807    /// the first visible worktree that has an entry for that relative path.
4808    ///
4809    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4810    /// root name from paths.
4811    ///
4812    /// # Arguments
4813    ///
4814    /// * `path` - An absolute path, or a full path that starts with a worktree root name, or a
4815    ///   relative path within a visible worktree.
4816    /// * `cx` - A reference to the `AppContext`.
4817    ///
4818    /// # Returns
4819    ///
4820    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4821    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4822        let path_style = self.path_style(cx);
4823        let path = path.as_ref();
4824        let worktree_store = self.worktree_store.read(cx);
4825
4826        if is_absolute(&path.to_string_lossy(), path_style) {
4827            for worktree in worktree_store.visible_worktrees(cx) {
4828                let worktree_abs_path = worktree.read(cx).abs_path();
4829
4830                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path)
4831                    && let Ok(path) = RelPath::new(relative_path, path_style)
4832                {
4833                    return Some(ProjectPath {
4834                        worktree_id: worktree.read(cx).id(),
4835                        path: path.into_arc(),
4836                    });
4837                }
4838            }
4839        } else {
4840            for worktree in worktree_store.visible_worktrees(cx) {
4841                let worktree = worktree.read(cx);
4842                if let Ok(rel_path) = RelPath::new(path, path_style) {
4843                    if let Some(entry) = worktree.entry_for_path(&rel_path) {
4844                        return Some(ProjectPath {
4845                            worktree_id: worktree.id(),
4846                            path: entry.path.clone(),
4847                        });
4848                    }
4849                }
4850            }
4851
4852            for worktree in worktree_store.visible_worktrees(cx) {
4853                let worktree_root_name = worktree.read(cx).root_name();
4854                if let Ok(relative_path) = path.strip_prefix(worktree_root_name.as_std_path())
4855                    && let Ok(path) = RelPath::new(relative_path, path_style)
4856                {
4857                    return Some(ProjectPath {
4858                        worktree_id: worktree.read(cx).id(),
4859                        path: path.into_arc(),
4860                    });
4861                }
4862            }
4863        }
4864
4865        None
4866    }
4867
4868    /// If there's only one visible worktree, returns the given worktree-relative path with no prefix.
4869    ///
4870    /// Otherwise, returns the full path for the project path (obtained by prefixing the worktree-relative path with the name of the worktree).
4871    pub fn short_full_path_for_project_path(
4872        &self,
4873        project_path: &ProjectPath,
4874        cx: &App,
4875    ) -> Option<String> {
4876        let path_style = self.path_style(cx);
4877        if self.visible_worktrees(cx).take(2).count() < 2 {
4878            return Some(project_path.path.display(path_style).to_string());
4879        }
4880        self.worktree_for_id(project_path.worktree_id, cx)
4881            .map(|worktree| {
4882                let worktree_name = worktree.read(cx).root_name();
4883                worktree_name
4884                    .join(&project_path.path)
4885                    .display(path_style)
4886                    .to_string()
4887            })
4888    }
4889
4890    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4891        self.worktree_store
4892            .read(cx)
4893            .project_path_for_absolute_path(abs_path, cx)
4894    }
4895
4896    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4897        Some(
4898            self.worktree_for_id(project_path.worktree_id, cx)?
4899                .read(cx)
4900                .abs_path()
4901                .to_path_buf(),
4902        )
4903    }
4904
4905    pub fn blame_buffer(
4906        &self,
4907        buffer: &Entity<Buffer>,
4908        version: Option<clock::Global>,
4909        cx: &mut App,
4910    ) -> Task<Result<Option<Blame>>> {
4911        self.git_store.update(cx, |git_store, cx| {
4912            git_store.blame_buffer(buffer, version, cx)
4913        })
4914    }
4915
4916    pub fn get_permalink_to_line(
4917        &self,
4918        buffer: &Entity<Buffer>,
4919        selection: Range<u32>,
4920        cx: &mut App,
4921    ) -> Task<Result<url::Url>> {
4922        self.git_store.update(cx, |git_store, cx| {
4923            git_store.get_permalink_to_line(buffer, selection, cx)
4924        })
4925    }
4926
4927    // RPC message handlers
4928
4929    async fn handle_unshare_project(
4930        this: Entity<Self>,
4931        _: TypedEnvelope<proto::UnshareProject>,
4932        mut cx: AsyncApp,
4933    ) -> Result<()> {
4934        this.update(&mut cx, |this, cx| {
4935            if this.is_local() || this.is_via_remote_server() {
4936                this.unshare(cx)?;
4937            } else {
4938                this.disconnected_from_host(cx);
4939            }
4940            Ok(())
4941        })
4942    }
4943
4944    async fn handle_add_collaborator(
4945        this: Entity<Self>,
4946        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4947        mut cx: AsyncApp,
4948    ) -> Result<()> {
4949        let collaborator = envelope
4950            .payload
4951            .collaborator
4952            .take()
4953            .context("empty collaborator")?;
4954
4955        let collaborator = Collaborator::from_proto(collaborator)?;
4956        this.update(&mut cx, |this, cx| {
4957            this.buffer_store.update(cx, |buffer_store, _| {
4958                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4959            });
4960            this.breakpoint_store.read(cx).broadcast();
4961            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4962            this.collaborators
4963                .insert(collaborator.peer_id, collaborator);
4964        });
4965
4966        Ok(())
4967    }
4968
4969    async fn handle_update_project_collaborator(
4970        this: Entity<Self>,
4971        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4972        mut cx: AsyncApp,
4973    ) -> Result<()> {
4974        let old_peer_id = envelope
4975            .payload
4976            .old_peer_id
4977            .context("missing old peer id")?;
4978        let new_peer_id = envelope
4979            .payload
4980            .new_peer_id
4981            .context("missing new peer id")?;
4982        this.update(&mut cx, |this, cx| {
4983            let collaborator = this
4984                .collaborators
4985                .remove(&old_peer_id)
4986                .context("received UpdateProjectCollaborator for unknown peer")?;
4987            let is_host = collaborator.is_host;
4988            this.collaborators.insert(new_peer_id, collaborator);
4989
4990            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4991            this.buffer_store.update(cx, |buffer_store, _| {
4992                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4993            });
4994
4995            if is_host {
4996                this.buffer_store
4997                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4998                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4999                    .unwrap();
5000                cx.emit(Event::HostReshared);
5001            }
5002
5003            cx.emit(Event::CollaboratorUpdated {
5004                old_peer_id,
5005                new_peer_id,
5006            });
5007            Ok(())
5008        })
5009    }
5010
5011    async fn handle_remove_collaborator(
5012        this: Entity<Self>,
5013        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
5014        mut cx: AsyncApp,
5015    ) -> Result<()> {
5016        this.update(&mut cx, |this, cx| {
5017            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
5018            let replica_id = this
5019                .collaborators
5020                .remove(&peer_id)
5021                .with_context(|| format!("unknown peer {peer_id:?}"))?
5022                .replica_id;
5023            this.buffer_store.update(cx, |buffer_store, cx| {
5024                buffer_store.forget_shared_buffers_for(&peer_id);
5025                for buffer in buffer_store.buffers() {
5026                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
5027                }
5028            });
5029            this.git_store.update(cx, |git_store, _| {
5030                git_store.forget_shared_diffs_for(&peer_id);
5031            });
5032
5033            cx.emit(Event::CollaboratorLeft(peer_id));
5034            Ok(())
5035        })
5036    }
5037
5038    async fn handle_update_project(
5039        this: Entity<Self>,
5040        envelope: TypedEnvelope<proto::UpdateProject>,
5041        mut cx: AsyncApp,
5042    ) -> Result<()> {
5043        this.update(&mut cx, |this, cx| {
5044            // Don't handle messages that were sent before the response to us joining the project
5045            if envelope.message_id > this.join_project_response_message_id {
5046                cx.update_global::<SettingsStore, _>(|store, cx| {
5047                    for worktree_metadata in &envelope.payload.worktrees {
5048                        store
5049                            .clear_local_settings(WorktreeId::from_proto(worktree_metadata.id), cx)
5050                            .log_err();
5051                    }
5052                });
5053
5054                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
5055            }
5056            Ok(())
5057        })
5058    }
5059
5060    async fn handle_toast(
5061        this: Entity<Self>,
5062        envelope: TypedEnvelope<proto::Toast>,
5063        mut cx: AsyncApp,
5064    ) -> Result<()> {
5065        this.update(&mut cx, |_, cx| {
5066            cx.emit(Event::Toast {
5067                notification_id: envelope.payload.notification_id.into(),
5068                message: envelope.payload.message,
5069                link: None,
5070            });
5071            Ok(())
5072        })
5073    }
5074
5075    async fn handle_language_server_prompt_request(
5076        this: Entity<Self>,
5077        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
5078        mut cx: AsyncApp,
5079    ) -> Result<proto::LanguageServerPromptResponse> {
5080        let (tx, rx) = smol::channel::bounded(1);
5081        let actions: Vec<_> = envelope
5082            .payload
5083            .actions
5084            .into_iter()
5085            .map(|action| MessageActionItem {
5086                title: action,
5087                properties: Default::default(),
5088            })
5089            .collect();
5090        this.update(&mut cx, |_, cx| {
5091            cx.emit(Event::LanguageServerPrompt(
5092                LanguageServerPromptRequest::new(
5093                    proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
5094                    envelope.payload.message,
5095                    actions.clone(),
5096                    envelope.payload.lsp_name,
5097                    tx,
5098                ),
5099            ));
5100
5101            anyhow::Ok(())
5102        })?;
5103
5104        // We drop `this` to avoid holding a reference in this future for too
5105        // long.
5106        // If we keep the reference, we might not drop the `Project` early
5107        // enough when closing a window and it will only get releases on the
5108        // next `flush_effects()` call.
5109        drop(this);
5110
5111        let mut rx = pin!(rx);
5112        let answer = rx.next().await;
5113
5114        Ok(LanguageServerPromptResponse {
5115            action_response: answer.and_then(|answer| {
5116                actions
5117                    .iter()
5118                    .position(|action| *action == answer)
5119                    .map(|index| index as u64)
5120            }),
5121        })
5122    }
5123
5124    async fn handle_hide_toast(
5125        this: Entity<Self>,
5126        envelope: TypedEnvelope<proto::HideToast>,
5127        mut cx: AsyncApp,
5128    ) -> Result<()> {
5129        this.update(&mut cx, |_, cx| {
5130            cx.emit(Event::HideToast {
5131                notification_id: envelope.payload.notification_id.into(),
5132            });
5133            Ok(())
5134        })
5135    }
5136
5137    // Collab sends UpdateWorktree protos as messages
5138    async fn handle_update_worktree(
5139        this: Entity<Self>,
5140        envelope: TypedEnvelope<proto::UpdateWorktree>,
5141        mut cx: AsyncApp,
5142    ) -> Result<()> {
5143        this.update(&mut cx, |project, cx| {
5144            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5145            if let Some(worktree) = project.worktree_for_id(worktree_id, cx) {
5146                worktree.update(cx, |worktree, _| {
5147                    let worktree = worktree.as_remote_mut().unwrap();
5148                    worktree.update_from_remote(envelope.payload);
5149                });
5150            }
5151            Ok(())
5152        })
5153    }
5154
5155    async fn handle_update_buffer_from_remote_server(
5156        this: Entity<Self>,
5157        envelope: TypedEnvelope<proto::UpdateBuffer>,
5158        cx: AsyncApp,
5159    ) -> Result<proto::Ack> {
5160        let buffer_store = this.read_with(&cx, |this, cx| {
5161            if let Some(remote_id) = this.remote_id() {
5162                let mut payload = envelope.payload.clone();
5163                payload.project_id = remote_id;
5164                cx.background_spawn(this.collab_client.request(payload))
5165                    .detach_and_log_err(cx);
5166            }
5167            this.buffer_store.clone()
5168        });
5169        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
5170    }
5171
5172    async fn handle_trust_worktrees(
5173        this: Entity<Self>,
5174        envelope: TypedEnvelope<proto::TrustWorktrees>,
5175        mut cx: AsyncApp,
5176    ) -> Result<proto::Ack> {
5177        if this.read_with(&cx, |project, _| project.is_via_collab()) {
5178            return Ok(proto::Ack {});
5179        }
5180
5181        let trusted_worktrees = cx
5182            .update(|cx| TrustedWorktrees::try_get_global(cx))
5183            .context("missing trusted worktrees")?;
5184        trusted_worktrees.update(&mut cx, |trusted_worktrees, cx| {
5185            trusted_worktrees.trust(
5186                &this.read(cx).worktree_store(),
5187                envelope
5188                    .payload
5189                    .trusted_paths
5190                    .into_iter()
5191                    .filter_map(|proto_path| PathTrust::from_proto(proto_path))
5192                    .collect(),
5193                cx,
5194            );
5195        });
5196        Ok(proto::Ack {})
5197    }
5198
5199    async fn handle_restrict_worktrees(
5200        this: Entity<Self>,
5201        envelope: TypedEnvelope<proto::RestrictWorktrees>,
5202        mut cx: AsyncApp,
5203    ) -> Result<proto::Ack> {
5204        if this.read_with(&cx, |project, _| project.is_via_collab()) {
5205            return Ok(proto::Ack {});
5206        }
5207
5208        let trusted_worktrees = cx
5209            .update(|cx| TrustedWorktrees::try_get_global(cx))
5210            .context("missing trusted worktrees")?;
5211        trusted_worktrees.update(&mut cx, |trusted_worktrees, cx| {
5212            let worktree_store = this.read(cx).worktree_store().downgrade();
5213            let restricted_paths = envelope
5214                .payload
5215                .worktree_ids
5216                .into_iter()
5217                .map(WorktreeId::from_proto)
5218                .map(PathTrust::Worktree)
5219                .collect::<HashSet<_>>();
5220            trusted_worktrees.restrict(worktree_store, restricted_paths, cx);
5221        });
5222        Ok(proto::Ack {})
5223    }
5224
5225    // Goes from host to client.
5226    async fn handle_find_search_candidates_chunk(
5227        this: Entity<Self>,
5228        envelope: TypedEnvelope<proto::FindSearchCandidatesChunk>,
5229        mut cx: AsyncApp,
5230    ) -> Result<proto::Ack> {
5231        let buffer_store = this.read_with(&mut cx, |this, _| this.buffer_store.clone());
5232        BufferStore::handle_find_search_candidates_chunk(buffer_store, envelope, cx).await
5233    }
5234
5235    // Goes from client to host.
5236    async fn handle_find_search_candidates_cancel(
5237        this: Entity<Self>,
5238        envelope: TypedEnvelope<proto::FindSearchCandidatesCancelled>,
5239        mut cx: AsyncApp,
5240    ) -> Result<()> {
5241        let buffer_store = this.read_with(&mut cx, |this, _| this.buffer_store.clone());
5242        BufferStore::handle_find_search_candidates_cancel(buffer_store, envelope, cx).await
5243    }
5244
5245    async fn handle_update_buffer(
5246        this: Entity<Self>,
5247        envelope: TypedEnvelope<proto::UpdateBuffer>,
5248        cx: AsyncApp,
5249    ) -> Result<proto::Ack> {
5250        let buffer_store = this.read_with(&cx, |this, cx| {
5251            if let Some(ssh) = &this.remote_client {
5252                let mut payload = envelope.payload.clone();
5253                payload.project_id = REMOTE_SERVER_PROJECT_ID;
5254                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
5255                    .detach_and_log_err(cx);
5256            }
5257            this.buffer_store.clone()
5258        });
5259        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
5260    }
5261
5262    fn retain_remotely_created_models(
5263        &mut self,
5264        cx: &mut Context<Self>,
5265    ) -> RemotelyCreatedModelGuard {
5266        Self::retain_remotely_created_models_impl(
5267            &self.remotely_created_models,
5268            &self.buffer_store,
5269            &self.worktree_store,
5270            cx,
5271        )
5272    }
5273
5274    fn retain_remotely_created_models_impl(
5275        models: &Arc<Mutex<RemotelyCreatedModels>>,
5276        buffer_store: &Entity<BufferStore>,
5277        worktree_store: &Entity<WorktreeStore>,
5278        cx: &mut App,
5279    ) -> RemotelyCreatedModelGuard {
5280        {
5281            let mut remotely_create_models = models.lock();
5282            if remotely_create_models.retain_count == 0 {
5283                remotely_create_models.buffers = buffer_store.read(cx).buffers().collect();
5284                remotely_create_models.worktrees = worktree_store.read(cx).worktrees().collect();
5285            }
5286            remotely_create_models.retain_count += 1;
5287        }
5288        RemotelyCreatedModelGuard {
5289            remote_models: Arc::downgrade(&models),
5290        }
5291    }
5292
5293    async fn handle_create_buffer_for_peer(
5294        this: Entity<Self>,
5295        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
5296        mut cx: AsyncApp,
5297    ) -> Result<()> {
5298        this.update(&mut cx, |this, cx| {
5299            this.buffer_store.update(cx, |buffer_store, cx| {
5300                buffer_store.handle_create_buffer_for_peer(
5301                    envelope,
5302                    this.replica_id(),
5303                    this.capability(),
5304                    cx,
5305                )
5306            })
5307        })
5308    }
5309
5310    async fn handle_toggle_lsp_logs(
5311        project: Entity<Self>,
5312        envelope: TypedEnvelope<proto::ToggleLspLogs>,
5313        mut cx: AsyncApp,
5314    ) -> Result<()> {
5315        let toggled_log_kind =
5316            match proto::toggle_lsp_logs::LogType::from_i32(envelope.payload.log_type)
5317                .context("invalid log type")?
5318            {
5319                proto::toggle_lsp_logs::LogType::Log => LogKind::Logs,
5320                proto::toggle_lsp_logs::LogType::Trace => LogKind::Trace,
5321                proto::toggle_lsp_logs::LogType::Rpc => LogKind::Rpc,
5322            };
5323        project.update(&mut cx, |_, cx| {
5324            cx.emit(Event::ToggleLspLogs {
5325                server_id: LanguageServerId::from_proto(envelope.payload.server_id),
5326                enabled: envelope.payload.enabled,
5327                toggled_log_kind,
5328            })
5329        });
5330        Ok(())
5331    }
5332
5333    async fn handle_synchronize_buffers(
5334        this: Entity<Self>,
5335        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
5336        mut cx: AsyncApp,
5337    ) -> Result<proto::SynchronizeBuffersResponse> {
5338        let response = this.update(&mut cx, |this, cx| {
5339            let client = this.collab_client.clone();
5340            this.buffer_store.update(cx, |this, cx| {
5341                this.handle_synchronize_buffers(envelope, cx, client)
5342            })
5343        })?;
5344
5345        Ok(response)
5346    }
5347
5348    // Goes from client to host.
5349    async fn handle_search_candidate_buffers(
5350        this: Entity<Self>,
5351        envelope: TypedEnvelope<proto::FindSearchCandidates>,
5352        mut cx: AsyncApp,
5353    ) -> Result<proto::Ack> {
5354        let peer_id = envelope.original_sender_id.unwrap_or(envelope.sender_id);
5355        let message = envelope.payload;
5356        let project_id = message.project_id;
5357        let path_style = this.read_with(&cx, |this, cx| this.path_style(cx));
5358        let query =
5359            SearchQuery::from_proto(message.query.context("missing query field")?, path_style)?;
5360
5361        let handle = message.handle;
5362        let buffer_store = this.read_with(&cx, |this, _| this.buffer_store().clone());
5363        let client = this.read_with(&cx, |this, _| this.client());
5364        let task = cx.spawn(async move |cx| {
5365            let results = this.update(cx, |this, cx| {
5366                this.search_impl(query, cx).matching_buffers(cx)
5367            });
5368            let (batcher, batches) = project_search::AdaptiveBatcher::new(cx.background_executor());
5369            let mut new_matches = Box::pin(results.rx);
5370
5371            let sender_task = cx.background_executor().spawn({
5372                let client = client.clone();
5373                async move {
5374                    let mut batches = std::pin::pin!(batches);
5375                    while let Some(buffer_ids) = batches.next().await {
5376                        client
5377                            .request(proto::FindSearchCandidatesChunk {
5378                                handle,
5379                                peer_id: Some(peer_id),
5380                                project_id,
5381                                variant: Some(
5382                                    proto::find_search_candidates_chunk::Variant::Matches(
5383                                        proto::FindSearchCandidatesMatches { buffer_ids },
5384                                    ),
5385                                ),
5386                            })
5387                            .await?;
5388                    }
5389                    anyhow::Ok(())
5390                }
5391            });
5392
5393            while let Some(buffer) = new_matches.next().await {
5394                let buffer_id = this.update(cx, |this, cx| {
5395                    this.create_buffer_for_peer(&buffer, peer_id, cx).to_proto()
5396                });
5397                batcher.push(buffer_id).await;
5398            }
5399            batcher.flush().await;
5400
5401            sender_task.await?;
5402
5403            let _ = client
5404                .request(proto::FindSearchCandidatesChunk {
5405                    handle,
5406                    peer_id: Some(peer_id),
5407                    project_id,
5408                    variant: Some(proto::find_search_candidates_chunk::Variant::Done(
5409                        proto::FindSearchCandidatesDone {},
5410                    )),
5411                })
5412                .await?;
5413            anyhow::Ok(())
5414        });
5415        buffer_store.update(&mut cx, |this, _| {
5416            this.register_ongoing_project_search((peer_id, handle), task);
5417        });
5418
5419        Ok(proto::Ack {})
5420    }
5421
5422    async fn handle_open_buffer_by_id(
5423        this: Entity<Self>,
5424        envelope: TypedEnvelope<proto::OpenBufferById>,
5425        mut cx: AsyncApp,
5426    ) -> Result<proto::OpenBufferResponse> {
5427        let peer_id = envelope.original_sender_id()?;
5428        let buffer_id = BufferId::new(envelope.payload.id)?;
5429        let buffer = this
5430            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))
5431            .await?;
5432        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5433    }
5434
5435    async fn handle_open_buffer_by_path(
5436        this: Entity<Self>,
5437        envelope: TypedEnvelope<proto::OpenBufferByPath>,
5438        mut cx: AsyncApp,
5439    ) -> Result<proto::OpenBufferResponse> {
5440        let peer_id = envelope.original_sender_id()?;
5441        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5442        let path = RelPath::from_proto(&envelope.payload.path)?;
5443        let open_buffer = this
5444            .update(&mut cx, |this, cx| {
5445                this.open_buffer(ProjectPath { worktree_id, path }, cx)
5446            })
5447            .await?;
5448        Project::respond_to_open_buffer_request(this, open_buffer, peer_id, &mut cx)
5449    }
5450
5451    async fn handle_open_new_buffer(
5452        this: Entity<Self>,
5453        envelope: TypedEnvelope<proto::OpenNewBuffer>,
5454        mut cx: AsyncApp,
5455    ) -> Result<proto::OpenBufferResponse> {
5456        let buffer = this
5457            .update(&mut cx, |this, cx| this.create_buffer(None, true, cx))
5458            .await?;
5459        let peer_id = envelope.original_sender_id()?;
5460
5461        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5462    }
5463
5464    fn respond_to_open_buffer_request(
5465        this: Entity<Self>,
5466        buffer: Entity<Buffer>,
5467        peer_id: proto::PeerId,
5468        cx: &mut AsyncApp,
5469    ) -> Result<proto::OpenBufferResponse> {
5470        this.update(cx, |this, cx| {
5471            let is_private = buffer
5472                .read(cx)
5473                .file()
5474                .map(|f| f.is_private())
5475                .unwrap_or_default();
5476            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
5477            Ok(proto::OpenBufferResponse {
5478                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
5479            })
5480        })
5481    }
5482
5483    fn create_buffer_for_peer(
5484        &mut self,
5485        buffer: &Entity<Buffer>,
5486        peer_id: proto::PeerId,
5487        cx: &mut App,
5488    ) -> BufferId {
5489        self.buffer_store
5490            .update(cx, |buffer_store, cx| {
5491                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
5492            })
5493            .detach_and_log_err(cx);
5494        buffer.read(cx).remote_id()
5495    }
5496
5497    async fn handle_create_image_for_peer(
5498        this: Entity<Self>,
5499        envelope: TypedEnvelope<proto::CreateImageForPeer>,
5500        mut cx: AsyncApp,
5501    ) -> Result<()> {
5502        this.update(&mut cx, |this, cx| {
5503            this.image_store.update(cx, |image_store, cx| {
5504                image_store.handle_create_image_for_peer(envelope, cx)
5505            })
5506        })
5507    }
5508
5509    async fn handle_create_file_for_peer(
5510        this: Entity<Self>,
5511        envelope: TypedEnvelope<proto::CreateFileForPeer>,
5512        mut cx: AsyncApp,
5513    ) -> Result<()> {
5514        use proto::create_file_for_peer::Variant;
5515        log::debug!("handle_create_file_for_peer: received message");
5516
5517        let downloading_files: Arc<Mutex<HashMap<(WorktreeId, String), DownloadingFile>>> =
5518            this.update(&mut cx, |this, _| this.downloading_files.clone());
5519
5520        match &envelope.payload.variant {
5521            Some(Variant::State(state)) => {
5522                log::debug!(
5523                    "handle_create_file_for_peer: got State: id={}, content_size={}",
5524                    state.id,
5525                    state.content_size
5526                );
5527
5528                // Extract worktree_id and path from the File field
5529                if let Some(ref file) = state.file {
5530                    let worktree_id = WorktreeId::from_proto(file.worktree_id);
5531                    let path = file.path.clone();
5532                    let key = (worktree_id, path);
5533                    log::debug!("handle_create_file_for_peer: looking up key={:?}", key);
5534
5535                    let empty_file_destination: Option<PathBuf> = {
5536                        let mut files = downloading_files.lock();
5537                        log::trace!(
5538                            "handle_create_file_for_peer: current downloading_files keys: {:?}",
5539                            files.keys().collect::<Vec<_>>()
5540                        );
5541
5542                        if let Some(file_entry) = files.get_mut(&key) {
5543                            file_entry.total_size = state.content_size;
5544                            file_entry.file_id = Some(state.id);
5545                            log::debug!(
5546                                "handle_create_file_for_peer: updated file entry: total_size={}, file_id={}",
5547                                state.content_size,
5548                                state.id
5549                            );
5550                        } else {
5551                            log::warn!(
5552                                "handle_create_file_for_peer: key={:?} not found in downloading_files",
5553                                key
5554                            );
5555                        }
5556
5557                        if state.content_size == 0 {
5558                            // No chunks will arrive for an empty file; write it now.
5559                            files.remove(&key).map(|entry| entry.destination_path)
5560                        } else {
5561                            None
5562                        }
5563                    };
5564
5565                    if let Some(destination) = empty_file_destination {
5566                        log::debug!(
5567                            "handle_create_file_for_peer: writing empty file to {:?}",
5568                            destination
5569                        );
5570                        match smol::fs::write(&destination, &[] as &[u8]).await {
5571                            Ok(_) => log::info!(
5572                                "handle_create_file_for_peer: successfully wrote file to {:?}",
5573                                destination
5574                            ),
5575                            Err(e) => log::error!(
5576                                "handle_create_file_for_peer: failed to write empty file: {:?}",
5577                                e
5578                            ),
5579                        }
5580                    }
5581                } else {
5582                    log::warn!("handle_create_file_for_peer: State has no file field");
5583                }
5584            }
5585            Some(Variant::Chunk(chunk)) => {
5586                log::debug!(
5587                    "handle_create_file_for_peer: got Chunk: file_id={}, data_len={}",
5588                    chunk.file_id,
5589                    chunk.data.len()
5590                );
5591
5592                // Extract data while holding the lock, then release it before await
5593                let (key_to_remove, write_info): (
5594                    Option<(WorktreeId, String)>,
5595                    Option<(PathBuf, Vec<u8>)>,
5596                ) = {
5597                    let mut files = downloading_files.lock();
5598                    let mut found_key: Option<(WorktreeId, String)> = None;
5599                    let mut write_data: Option<(PathBuf, Vec<u8>)> = None;
5600
5601                    for (key, file_entry) in files.iter_mut() {
5602                        if file_entry.file_id == Some(chunk.file_id) {
5603                            file_entry.chunks.extend_from_slice(&chunk.data);
5604                            log::debug!(
5605                                "handle_create_file_for_peer: accumulated {} bytes, total_size={}",
5606                                file_entry.chunks.len(),
5607                                file_entry.total_size
5608                            );
5609
5610                            if file_entry.chunks.len() as u64 >= file_entry.total_size
5611                                && file_entry.total_size > 0
5612                            {
5613                                let destination = file_entry.destination_path.clone();
5614                                let content = std::mem::take(&mut file_entry.chunks);
5615                                found_key = Some(key.clone());
5616                                write_data = Some((destination, content));
5617                            }
5618                            break;
5619                        }
5620                    }
5621                    (found_key, write_data)
5622                }; // MutexGuard is dropped here
5623
5624                // Perform the async write outside the lock
5625                if let Some((destination, content)) = write_info {
5626                    log::debug!(
5627                        "handle_create_file_for_peer: writing {} bytes to {:?}",
5628                        content.len(),
5629                        destination
5630                    );
5631                    match smol::fs::write(&destination, &content).await {
5632                        Ok(_) => log::info!(
5633                            "handle_create_file_for_peer: successfully wrote file to {:?}",
5634                            destination
5635                        ),
5636                        Err(e) => log::error!(
5637                            "handle_create_file_for_peer: failed to write file: {:?}",
5638                            e
5639                        ),
5640                    }
5641                }
5642
5643                // Remove the completed entry
5644                if let Some(key) = key_to_remove {
5645                    downloading_files.lock().remove(&key);
5646                    log::debug!("handle_create_file_for_peer: removed completed download entry");
5647                }
5648            }
5649            None => {
5650                log::warn!("handle_create_file_for_peer: got None variant");
5651            }
5652        }
5653
5654        Ok(())
5655    }
5656
5657    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
5658        let project_id = match self.client_state {
5659            ProjectClientState::Collab {
5660                sharing_has_stopped,
5661                remote_id,
5662                ..
5663            } => {
5664                if sharing_has_stopped {
5665                    return Task::ready(Err(anyhow!(
5666                        "can't synchronize remote buffers on a readonly project"
5667                    )));
5668                } else {
5669                    remote_id
5670                }
5671            }
5672            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
5673                return Task::ready(Err(anyhow!(
5674                    "can't synchronize remote buffers on a local project"
5675                )));
5676            }
5677        };
5678
5679        let client = self.collab_client.clone();
5680        cx.spawn(async move |this, cx| {
5681            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
5682                this.buffer_store.read(cx).buffer_version_info(cx)
5683            })?;
5684            let response = client
5685                .request(proto::SynchronizeBuffers {
5686                    project_id,
5687                    buffers,
5688                })
5689                .await?;
5690
5691            let send_updates_for_buffers = this.update(cx, |this, cx| {
5692                response
5693                    .buffers
5694                    .into_iter()
5695                    .map(|buffer| {
5696                        let client = client.clone();
5697                        let buffer_id = match BufferId::new(buffer.id) {
5698                            Ok(id) => id,
5699                            Err(e) => {
5700                                return Task::ready(Err(e));
5701                            }
5702                        };
5703                        let remote_version = language::proto::deserialize_version(&buffer.version);
5704                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
5705                            let operations =
5706                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
5707                            cx.background_spawn(async move {
5708                                let operations = operations.await;
5709                                for chunk in split_operations(operations) {
5710                                    client
5711                                        .request(proto::UpdateBuffer {
5712                                            project_id,
5713                                            buffer_id: buffer_id.into(),
5714                                            operations: chunk,
5715                                        })
5716                                        .await?;
5717                                }
5718                                anyhow::Ok(())
5719                            })
5720                        } else {
5721                            Task::ready(Ok(()))
5722                        }
5723                    })
5724                    .collect::<Vec<_>>()
5725            })?;
5726
5727            // Any incomplete buffers have open requests waiting. Request that the host sends
5728            // creates these buffers for us again to unblock any waiting futures.
5729            for id in incomplete_buffer_ids {
5730                cx.background_spawn(client.request(proto::OpenBufferById {
5731                    project_id,
5732                    id: id.into(),
5733                }))
5734                .detach();
5735            }
5736
5737            futures::future::join_all(send_updates_for_buffers)
5738                .await
5739                .into_iter()
5740                .collect()
5741        })
5742    }
5743
5744    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
5745        self.worktree_store.read(cx).worktree_metadata_protos(cx)
5746    }
5747
5748    /// Iterator of all open buffers that have unsaved changes
5749    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
5750        self.buffer_store.read(cx).buffers().filter_map(|buf| {
5751            let buf = buf.read(cx);
5752            if buf.is_dirty() {
5753                buf.project_path(cx)
5754            } else {
5755                None
5756            }
5757        })
5758    }
5759
5760    fn set_worktrees_from_proto(
5761        &mut self,
5762        worktrees: Vec<proto::WorktreeMetadata>,
5763        cx: &mut Context<Project>,
5764    ) -> Result<()> {
5765        self.worktree_store.update(cx, |worktree_store, cx| {
5766            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
5767        })
5768    }
5769
5770    fn set_collaborators_from_proto(
5771        &mut self,
5772        messages: Vec<proto::Collaborator>,
5773        cx: &mut Context<Self>,
5774    ) -> Result<()> {
5775        let mut collaborators = HashMap::default();
5776        for message in messages {
5777            let collaborator = Collaborator::from_proto(message)?;
5778            collaborators.insert(collaborator.peer_id, collaborator);
5779        }
5780        for old_peer_id in self.collaborators.keys() {
5781            if !collaborators.contains_key(old_peer_id) {
5782                cx.emit(Event::CollaboratorLeft(*old_peer_id));
5783            }
5784        }
5785        self.collaborators = collaborators;
5786        Ok(())
5787    }
5788
5789    pub fn supplementary_language_servers<'a>(
5790        &'a self,
5791        cx: &'a App,
5792    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5793        self.lsp_store.read(cx).supplementary_language_servers()
5794    }
5795
5796    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5797        let Some(language) = buffer.language().cloned() else {
5798            return false;
5799        };
5800        self.lsp_store.update(cx, |lsp_store, _| {
5801            let relevant_language_servers = lsp_store
5802                .languages
5803                .lsp_adapters(&language.name())
5804                .into_iter()
5805                .map(|lsp_adapter| lsp_adapter.name())
5806                .collect::<HashSet<_>>();
5807            lsp_store
5808                .language_server_statuses()
5809                .filter_map(|(server_id, server_status)| {
5810                    relevant_language_servers
5811                        .contains(&server_status.name)
5812                        .then_some(server_id)
5813                })
5814                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5815                .any(InlayHints::check_capabilities)
5816        })
5817    }
5818
5819    pub fn any_language_server_supports_semantic_tokens(
5820        &self,
5821        buffer: &Buffer,
5822        cx: &mut App,
5823    ) -> bool {
5824        let Some(language) = buffer.language().cloned() else {
5825            return false;
5826        };
5827        let lsp_store = self.lsp_store.read(cx);
5828        let relevant_language_servers = lsp_store
5829            .languages
5830            .lsp_adapters(&language.name())
5831            .into_iter()
5832            .map(|lsp_adapter| lsp_adapter.name())
5833            .collect::<HashSet<_>>();
5834        lsp_store
5835            .language_server_statuses()
5836            .filter_map(|(server_id, server_status)| {
5837                relevant_language_servers
5838                    .contains(&server_status.name)
5839                    .then_some(server_id)
5840            })
5841            .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5842            .any(|capabilities| capabilities.semantic_tokens_provider.is_some())
5843    }
5844
5845    pub fn language_server_id_for_name(
5846        &self,
5847        buffer: &Buffer,
5848        name: &LanguageServerName,
5849        cx: &App,
5850    ) -> Option<LanguageServerId> {
5851        let language = buffer.language()?;
5852        let relevant_language_servers = self
5853            .languages
5854            .lsp_adapters(&language.name())
5855            .into_iter()
5856            .map(|lsp_adapter| lsp_adapter.name())
5857            .collect::<HashSet<_>>();
5858        if !relevant_language_servers.contains(name) {
5859            return None;
5860        }
5861        self.language_server_statuses(cx)
5862            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5863            .find_map(|(server_id, server_status)| {
5864                if &server_status.name == name {
5865                    Some(server_id)
5866                } else {
5867                    None
5868                }
5869            })
5870    }
5871
5872    #[cfg(feature = "test-support")]
5873    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5874        self.lsp_store.update(cx, |this, cx| {
5875            this.running_language_servers_for_local_buffer(buffer, cx)
5876                .next()
5877                .is_some()
5878        })
5879    }
5880
5881    pub fn git_init(
5882        &self,
5883        path: Arc<Path>,
5884        fallback_branch_name: String,
5885        cx: &App,
5886    ) -> Task<Result<()>> {
5887        self.git_store
5888            .read(cx)
5889            .git_init(path, fallback_branch_name, cx)
5890    }
5891
5892    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5893        &self.buffer_store
5894    }
5895
5896    pub fn git_store(&self) -> &Entity<GitStore> {
5897        &self.git_store
5898    }
5899
5900    pub fn agent_server_store(&self) -> &Entity<AgentServerStore> {
5901        &self.agent_server_store
5902    }
5903
5904    #[cfg(feature = "test-support")]
5905    pub fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
5906        use futures::future::join_all;
5907        cx.spawn(async move |this, cx| {
5908            let scans_complete = this
5909                .read_with(cx, |this, cx| {
5910                    this.worktrees(cx)
5911                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
5912                        .collect::<Vec<_>>()
5913                })
5914                .unwrap();
5915            join_all(scans_complete).await;
5916            let barriers = this
5917                .update(cx, |this, cx| {
5918                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
5919                    repos
5920                        .into_iter()
5921                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
5922                        .collect::<Vec<_>>()
5923                })
5924                .unwrap();
5925            join_all(barriers).await;
5926        })
5927    }
5928
5929    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
5930        self.git_store.read(cx).active_repository()
5931    }
5932
5933    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
5934        self.git_store.read(cx).repositories()
5935    }
5936
5937    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
5938        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
5939    }
5940
5941    pub fn set_agent_location(
5942        &mut self,
5943        new_location: Option<AgentLocation>,
5944        cx: &mut Context<Self>,
5945    ) {
5946        if let Some(old_location) = self.agent_location.as_ref() {
5947            old_location
5948                .buffer
5949                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
5950                .ok();
5951        }
5952
5953        if let Some(location) = new_location.as_ref() {
5954            location
5955                .buffer
5956                .update(cx, |buffer, cx| {
5957                    buffer.set_agent_selections(
5958                        Arc::from([language::Selection {
5959                            id: 0,
5960                            start: location.position,
5961                            end: location.position,
5962                            reversed: false,
5963                            goal: language::SelectionGoal::None,
5964                        }]),
5965                        false,
5966                        CursorShape::Hollow,
5967                        cx,
5968                    )
5969                })
5970                .ok();
5971        }
5972
5973        self.agent_location = new_location;
5974        cx.emit(Event::AgentLocationChanged);
5975    }
5976
5977    pub fn agent_location(&self) -> Option<AgentLocation> {
5978        self.agent_location.clone()
5979    }
5980
5981    pub fn path_style(&self, cx: &App) -> PathStyle {
5982        self.worktree_store.read(cx).path_style()
5983    }
5984
5985    pub fn contains_local_settings_file(
5986        &self,
5987        worktree_id: WorktreeId,
5988        rel_path: &RelPath,
5989        cx: &App,
5990    ) -> bool {
5991        self.worktree_for_id(worktree_id, cx)
5992            .map_or(false, |worktree| {
5993                worktree.read(cx).entry_for_path(rel_path).is_some()
5994            })
5995    }
5996}
5997
5998pub struct PathMatchCandidateSet {
5999    pub snapshot: Snapshot,
6000    pub include_ignored: bool,
6001    pub include_root_name: bool,
6002    pub candidates: Candidates,
6003}
6004
6005pub enum Candidates {
6006    /// Only consider directories.
6007    Directories,
6008    /// Only consider files.
6009    Files,
6010    /// Consider directories and files.
6011    Entries,
6012}
6013
6014impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
6015    type Candidates = PathMatchCandidateSetIter<'a>;
6016
6017    fn id(&self) -> usize {
6018        self.snapshot.id().to_usize()
6019    }
6020
6021    fn len(&self) -> usize {
6022        match self.candidates {
6023            Candidates::Files => {
6024                if self.include_ignored {
6025                    self.snapshot.file_count()
6026                } else {
6027                    self.snapshot.visible_file_count()
6028                }
6029            }
6030
6031            Candidates::Directories => {
6032                if self.include_ignored {
6033                    self.snapshot.dir_count()
6034                } else {
6035                    self.snapshot.visible_dir_count()
6036                }
6037            }
6038
6039            Candidates::Entries => {
6040                if self.include_ignored {
6041                    self.snapshot.entry_count()
6042                } else {
6043                    self.snapshot.visible_entry_count()
6044                }
6045            }
6046        }
6047    }
6048
6049    fn prefix(&self) -> Arc<RelPath> {
6050        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
6051            self.snapshot.root_name().into()
6052        } else {
6053            RelPath::empty().into()
6054        }
6055    }
6056
6057    fn root_is_file(&self) -> bool {
6058        self.snapshot.root_entry().is_some_and(|f| f.is_file())
6059    }
6060
6061    fn path_style(&self) -> PathStyle {
6062        self.snapshot.path_style()
6063    }
6064
6065    fn candidates(&'a self, start: usize) -> Self::Candidates {
6066        PathMatchCandidateSetIter {
6067            traversal: match self.candidates {
6068                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
6069                Candidates::Files => self.snapshot.files(self.include_ignored, start),
6070                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
6071            },
6072        }
6073    }
6074}
6075
6076pub struct PathMatchCandidateSetIter<'a> {
6077    traversal: Traversal<'a>,
6078}
6079
6080impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
6081    type Item = fuzzy::PathMatchCandidate<'a>;
6082
6083    fn next(&mut self) -> Option<Self::Item> {
6084        self.traversal
6085            .next()
6086            .map(|entry| fuzzy::PathMatchCandidate {
6087                is_dir: entry.kind.is_dir(),
6088                path: &entry.path,
6089                char_bag: entry.char_bag,
6090            })
6091    }
6092}
6093
6094impl EventEmitter<Event> for Project {}
6095
6096impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
6097    fn from(val: &'a ProjectPath) -> Self {
6098        SettingsLocation {
6099            worktree_id: val.worktree_id,
6100            path: val.path.as_ref(),
6101        }
6102    }
6103}
6104
6105impl<P: Into<Arc<RelPath>>> From<(WorktreeId, P)> for ProjectPath {
6106    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
6107        Self {
6108            worktree_id,
6109            path: path.into(),
6110        }
6111    }
6112}
6113
6114/// ResolvedPath is a path that has been resolved to either a ProjectPath
6115/// or an AbsPath and that *exists*.
6116#[derive(Debug, Clone)]
6117pub enum ResolvedPath {
6118    ProjectPath {
6119        project_path: ProjectPath,
6120        is_dir: bool,
6121    },
6122    AbsPath {
6123        path: String,
6124        is_dir: bool,
6125    },
6126}
6127
6128impl ResolvedPath {
6129    pub fn abs_path(&self) -> Option<&str> {
6130        match self {
6131            Self::AbsPath { path, .. } => Some(path),
6132            _ => None,
6133        }
6134    }
6135
6136    pub fn into_abs_path(self) -> Option<String> {
6137        match self {
6138            Self::AbsPath { path, .. } => Some(path),
6139            _ => None,
6140        }
6141    }
6142
6143    pub fn project_path(&self) -> Option<&ProjectPath> {
6144        match self {
6145            Self::ProjectPath { project_path, .. } => Some(project_path),
6146            _ => None,
6147        }
6148    }
6149
6150    pub fn is_file(&self) -> bool {
6151        !self.is_dir()
6152    }
6153
6154    pub fn is_dir(&self) -> bool {
6155        match self {
6156            Self::ProjectPath { is_dir, .. } => *is_dir,
6157            Self::AbsPath { is_dir, .. } => *is_dir,
6158        }
6159    }
6160}
6161
6162impl ProjectItem for Buffer {
6163    fn try_open(
6164        project: &Entity<Project>,
6165        path: &ProjectPath,
6166        cx: &mut App,
6167    ) -> Option<Task<Result<Entity<Self>>>> {
6168        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
6169    }
6170
6171    fn entry_id(&self, _cx: &App) -> Option<ProjectEntryId> {
6172        File::from_dyn(self.file()).and_then(|file| file.project_entry_id())
6173    }
6174
6175    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
6176        let file = self.file()?;
6177
6178        (!matches!(file.disk_state(), DiskState::Historic { .. })).then(|| ProjectPath {
6179            worktree_id: file.worktree_id(cx),
6180            path: file.path().clone(),
6181        })
6182    }
6183
6184    fn is_dirty(&self) -> bool {
6185        self.is_dirty()
6186    }
6187}
6188
6189impl Completion {
6190    pub fn kind(&self) -> Option<CompletionItemKind> {
6191        self.source
6192            // `lsp::CompletionListItemDefaults` has no `kind` field
6193            .lsp_completion(false)
6194            .and_then(|lsp_completion| lsp_completion.kind)
6195    }
6196
6197    pub fn label(&self) -> Option<String> {
6198        self.source
6199            .lsp_completion(false)
6200            .map(|lsp_completion| lsp_completion.label.clone())
6201    }
6202
6203    /// A key that can be used to sort completions when displaying
6204    /// them to the user.
6205    pub fn sort_key(&self) -> (usize, &str) {
6206        const DEFAULT_KIND_KEY: usize = 4;
6207        let kind_key = self
6208            .kind()
6209            .and_then(|lsp_completion_kind| match lsp_completion_kind {
6210                lsp::CompletionItemKind::KEYWORD => Some(0),
6211                lsp::CompletionItemKind::VARIABLE => Some(1),
6212                lsp::CompletionItemKind::CONSTANT => Some(2),
6213                lsp::CompletionItemKind::PROPERTY => Some(3),
6214                _ => None,
6215            })
6216            .unwrap_or(DEFAULT_KIND_KEY);
6217        (kind_key, self.label.filter_text())
6218    }
6219
6220    /// Whether this completion is a snippet.
6221    pub fn is_snippet_kind(&self) -> bool {
6222        matches!(
6223            &self.source,
6224            CompletionSource::Lsp { lsp_completion, .. }
6225            if lsp_completion.kind == Some(CompletionItemKind::SNIPPET)
6226        )
6227    }
6228
6229    /// Whether this completion is a snippet or snippet-style LSP completion.
6230    pub fn is_snippet(&self) -> bool {
6231        self.source
6232            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
6233            .lsp_completion(true)
6234            .is_some_and(|lsp_completion| {
6235                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
6236            })
6237    }
6238
6239    /// Returns the corresponding color for this completion.
6240    ///
6241    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
6242    pub fn color(&self) -> Option<Hsla> {
6243        // `lsp::CompletionListItemDefaults` has no `kind` field
6244        let lsp_completion = self.source.lsp_completion(false)?;
6245        if lsp_completion.kind? == CompletionItemKind::COLOR {
6246            return color_extractor::extract_color(&lsp_completion);
6247        }
6248        None
6249    }
6250}
6251
6252fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
6253    match level {
6254        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
6255        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
6256        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
6257    }
6258}
6259
6260fn provide_inline_values(
6261    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
6262    snapshot: &language::BufferSnapshot,
6263    max_row: usize,
6264) -> Vec<InlineValueLocation> {
6265    let mut variables = Vec::new();
6266    let mut variable_position = HashSet::default();
6267    let mut scopes = Vec::new();
6268
6269    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
6270
6271    for (capture_range, capture_kind) in captures {
6272        match capture_kind {
6273            language::DebuggerTextObject::Variable => {
6274                let variable_name = snapshot
6275                    .text_for_range(capture_range.clone())
6276                    .collect::<String>();
6277                let point = snapshot.offset_to_point(capture_range.end);
6278
6279                while scopes
6280                    .last()
6281                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
6282                {
6283                    scopes.pop();
6284                }
6285
6286                if point.row as usize > max_row {
6287                    break;
6288                }
6289
6290                let scope = if scopes
6291                    .last()
6292                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
6293                {
6294                    VariableScope::Global
6295                } else {
6296                    VariableScope::Local
6297                };
6298
6299                if variable_position.insert(capture_range.end) {
6300                    variables.push(InlineValueLocation {
6301                        variable_name,
6302                        scope,
6303                        lookup: VariableLookupKind::Variable,
6304                        row: point.row as usize,
6305                        column: point.column as usize,
6306                    });
6307                }
6308            }
6309            language::DebuggerTextObject::Scope => {
6310                while scopes.last().map_or_else(
6311                    || false,
6312                    |scope: &Range<usize>| {
6313                        !(scope.contains(&capture_range.start)
6314                            && scope.contains(&capture_range.end))
6315                    },
6316                ) {
6317                    scopes.pop();
6318                }
6319                scopes.push(capture_range);
6320            }
6321        }
6322    }
6323
6324    variables
6325}