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    discover_root_repo_common_dir,
 147};
 148use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 149
 150pub use fs::*;
 151pub use language::Location;
 152#[cfg(any(test, feature = "test-support"))]
 153pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 154#[cfg(any(test, feature = "test-support"))]
 155pub use prettier::RANGE_FORMAT_SUFFIX as TEST_PRETTIER_RANGE_FORMAT_SUFFIX;
 156pub use task_inventory::{
 157    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 158    TaskSourceKind,
 159};
 160
 161pub use buffer_store::ProjectTransaction;
 162pub use lsp_store::{
 163    DiagnosticSummary, InvalidationStrategy, LanguageServerLogType, LanguageServerProgress,
 164    LanguageServerPromptRequest, LanguageServerStatus, LanguageServerToQuery, LspStore,
 165    LspStoreEvent, ProgressToken, SERVER_PROGRESS_THROTTLE_TIMEOUT,
 166};
 167pub use toolchain_store::{ToolchainStore, Toolchains};
 168const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 169
 170#[derive(Clone, Copy, Debug)]
 171pub struct LocalProjectFlags {
 172    pub init_worktree_trust: bool,
 173    pub watch_global_configs: bool,
 174}
 175
 176impl Default for LocalProjectFlags {
 177    fn default() -> Self {
 178        Self {
 179            init_worktree_trust: true,
 180            watch_global_configs: true,
 181        }
 182    }
 183}
 184
 185pub trait ProjectItem: 'static {
 186    fn try_open(
 187        project: &Entity<Project>,
 188        path: &ProjectPath,
 189        cx: &mut App,
 190    ) -> Option<Task<Result<Entity<Self>>>>
 191    where
 192        Self: Sized;
 193    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 194    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 195    fn is_dirty(&self) -> bool;
 196}
 197
 198#[derive(Clone)]
 199pub enum OpenedBufferEvent {
 200    Disconnected,
 201    Ok(BufferId),
 202    Err(BufferId, Arc<anyhow::Error>),
 203}
 204
 205/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 206/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 207/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 208///
 209/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 210pub struct Project {
 211    active_entry: Option<ProjectEntryId>,
 212    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 213    languages: Arc<LanguageRegistry>,
 214    dap_store: Entity<DapStore>,
 215    agent_server_store: Entity<AgentServerStore>,
 216
 217    breakpoint_store: Entity<BreakpointStore>,
 218    collab_client: Arc<client::Client>,
 219    join_project_response_message_id: u32,
 220    task_store: Entity<TaskStore>,
 221    user_store: Entity<UserStore>,
 222    fs: Arc<dyn Fs>,
 223    remote_client: Option<Entity<RemoteClient>>,
 224    // todo lw explain the client_state x remote_client matrix, its super confusing
 225    client_state: ProjectClientState,
 226    git_store: Entity<GitStore>,
 227    collaborators: HashMap<proto::PeerId, Collaborator>,
 228    client_subscriptions: Vec<client::Subscription>,
 229    worktree_store: Entity<WorktreeStore>,
 230    buffer_store: Entity<BufferStore>,
 231    context_server_store: Entity<ContextServerStore>,
 232    image_store: Entity<ImageStore>,
 233    lsp_store: Entity<LspStore>,
 234    _subscriptions: Vec<gpui::Subscription>,
 235    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 236    git_diff_debouncer: DebouncedDelay<Self>,
 237    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 238    terminals: Terminals,
 239    node: Option<NodeRuntime>,
 240    search_history: SearchHistory,
 241    search_included_history: SearchHistory,
 242    search_excluded_history: SearchHistory,
 243    snippets: Entity<SnippetProvider>,
 244    environment: Entity<ProjectEnvironment>,
 245    settings_observer: Entity<SettingsObserver>,
 246    toolchain_store: Option<Entity<ToolchainStore>>,
 247    agent_location: Option<AgentLocation>,
 248    downloading_files: Arc<Mutex<HashMap<(WorktreeId, String), DownloadingFile>>>,
 249}
 250
 251struct DownloadingFile {
 252    destination_path: PathBuf,
 253    chunks: Vec<u8>,
 254    total_size: u64,
 255    file_id: Option<u64>, // Set when we receive the State message
 256}
 257
 258#[derive(Clone, Debug, PartialEq, Eq)]
 259pub struct AgentLocation {
 260    pub buffer: WeakEntity<Buffer>,
 261    pub position: Anchor,
 262}
 263
 264#[derive(Default)]
 265struct RemotelyCreatedModels {
 266    worktrees: Vec<Entity<Worktree>>,
 267    buffers: Vec<Entity<Buffer>>,
 268    retain_count: usize,
 269}
 270
 271struct RemotelyCreatedModelGuard {
 272    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 273}
 274
 275impl Drop for RemotelyCreatedModelGuard {
 276    fn drop(&mut self) {
 277        if let Some(remote_models) = self.remote_models.upgrade() {
 278            let mut remote_models = remote_models.lock();
 279            assert!(
 280                remote_models.retain_count > 0,
 281                "RemotelyCreatedModelGuard dropped too many times"
 282            );
 283            remote_models.retain_count -= 1;
 284            if remote_models.retain_count == 0 {
 285                remote_models.buffers.clear();
 286                remote_models.worktrees.clear();
 287            }
 288        }
 289    }
 290}
 291/// Message ordered with respect to buffer operations
 292#[derive(Debug)]
 293enum BufferOrderedMessage {
 294    Operation {
 295        buffer_id: BufferId,
 296        operation: proto::Operation,
 297    },
 298    LanguageServerUpdate {
 299        language_server_id: LanguageServerId,
 300        message: proto::update_language_server::Variant,
 301        name: Option<LanguageServerName>,
 302    },
 303    Resync,
 304}
 305
 306#[derive(Debug)]
 307enum ProjectClientState {
 308    /// Single-player mode.
 309    Local,
 310    /// Multi-player mode but still a local project.
 311    Shared { remote_id: u64 },
 312    /// Multi-player mode but working on a remote project.
 313    Collab {
 314        sharing_has_stopped: bool,
 315        capability: Capability,
 316        remote_id: u64,
 317        replica_id: ReplicaId,
 318    },
 319}
 320
 321/// A link to display in a toast notification, useful to point to documentation.
 322#[derive(PartialEq, Debug, Clone)]
 323pub struct ToastLink {
 324    pub label: &'static str,
 325    pub url: &'static str,
 326}
 327
 328#[derive(Clone, Debug, PartialEq)]
 329pub enum Event {
 330    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 331    LanguageServerRemoved(LanguageServerId),
 332    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 333    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 334    // Zed's buffer-related data is updated accordingly.
 335    LanguageServerBufferRegistered {
 336        server_id: LanguageServerId,
 337        buffer_id: BufferId,
 338        buffer_abs_path: PathBuf,
 339        name: Option<LanguageServerName>,
 340    },
 341    ToggleLspLogs {
 342        server_id: LanguageServerId,
 343        enabled: bool,
 344        toggled_log_kind: LogKind,
 345    },
 346    Toast {
 347        notification_id: SharedString,
 348        message: String,
 349        /// Optional link to display as a button in the toast.
 350        link: Option<ToastLink>,
 351    },
 352    HideToast {
 353        notification_id: SharedString,
 354    },
 355    LanguageServerPrompt(LanguageServerPromptRequest),
 356    LanguageNotFound(Entity<Buffer>),
 357    ActiveEntryChanged(Option<ProjectEntryId>),
 358    ActivateProjectPanel,
 359    WorktreeAdded(WorktreeId),
 360    WorktreeOrderChanged,
 361    WorktreeRemoved(WorktreeId),
 362    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 363    WorktreeUpdatedRootRepoCommonDir(WorktreeId),
 364    DiskBasedDiagnosticsStarted {
 365        language_server_id: LanguageServerId,
 366    },
 367    DiskBasedDiagnosticsFinished {
 368        language_server_id: LanguageServerId,
 369    },
 370    DiagnosticsUpdated {
 371        paths: Vec<ProjectPath>,
 372        language_server_id: LanguageServerId,
 373    },
 374    RemoteIdChanged(Option<u64>),
 375    DisconnectedFromHost,
 376    DisconnectedFromRemote {
 377        server_not_running: bool,
 378    },
 379    Closed,
 380    DeletedEntry(WorktreeId, ProjectEntryId),
 381    CollaboratorUpdated {
 382        old_peer_id: proto::PeerId,
 383        new_peer_id: proto::PeerId,
 384    },
 385    CollaboratorJoined(proto::PeerId),
 386    CollaboratorLeft(proto::PeerId),
 387    HostReshared,
 388    Reshared,
 389    Rejoined,
 390    RefreshInlayHints {
 391        server_id: LanguageServerId,
 392        request_id: Option<usize>,
 393    },
 394    RefreshSemanticTokens {
 395        server_id: LanguageServerId,
 396        request_id: Option<usize>,
 397    },
 398    RefreshCodeLens,
 399    RevealInProjectPanel(ProjectEntryId),
 400    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 401    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 402    EntryRenamed(ProjectTransaction, ProjectPath, PathBuf),
 403    WorkspaceEditApplied(ProjectTransaction),
 404    AgentLocationChanged,
 405    BufferEdited,
 406}
 407
 408pub struct AgentLocationChanged;
 409
 410pub enum DebugAdapterClientState {
 411    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 412    Running(Arc<DebugAdapterClient>),
 413}
 414
 415#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 416pub struct ProjectPath {
 417    pub worktree_id: WorktreeId,
 418    pub path: Arc<RelPath>,
 419}
 420
 421impl ProjectPath {
 422    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 423        ProjectPath {
 424            worktree_id: value.worktree_id(cx),
 425            path: value.path().clone(),
 426        }
 427    }
 428
 429    pub fn from_proto(p: proto::ProjectPath) -> Option<Self> {
 430        Some(Self {
 431            worktree_id: WorktreeId::from_proto(p.worktree_id),
 432            path: RelPath::from_proto(&p.path).log_err()?,
 433        })
 434    }
 435
 436    pub fn to_proto(&self) -> proto::ProjectPath {
 437        proto::ProjectPath {
 438            worktree_id: self.worktree_id.to_proto(),
 439            path: self.path.as_ref().to_proto(),
 440        }
 441    }
 442
 443    pub fn root_path(worktree_id: WorktreeId) -> Self {
 444        Self {
 445            worktree_id,
 446            path: RelPath::empty().into(),
 447        }
 448    }
 449
 450    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 451        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 452    }
 453}
 454
 455#[derive(Debug, Default)]
 456pub enum PrepareRenameResponse {
 457    Success(Range<Anchor>),
 458    OnlyUnpreparedRenameSupported,
 459    #[default]
 460    InvalidPosition,
 461}
 462
 463#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 464pub enum InlayId {
 465    EditPrediction(usize),
 466    DebuggerValue(usize),
 467    // LSP
 468    Hint(usize),
 469    Color(usize),
 470    ReplResult(usize),
 471}
 472
 473impl InlayId {
 474    pub fn id(&self) -> usize {
 475        match self {
 476            Self::EditPrediction(id) => *id,
 477            Self::DebuggerValue(id) => *id,
 478            Self::Hint(id) => *id,
 479            Self::Color(id) => *id,
 480            Self::ReplResult(id) => *id,
 481        }
 482    }
 483}
 484
 485#[derive(Debug, Clone, PartialEq, Eq)]
 486pub struct InlayHint {
 487    pub position: language::Anchor,
 488    pub label: InlayHintLabel,
 489    pub kind: Option<InlayHintKind>,
 490    pub padding_left: bool,
 491    pub padding_right: bool,
 492    pub tooltip: Option<InlayHintTooltip>,
 493    pub resolve_state: ResolveState,
 494}
 495
 496/// The user's intent behind a given completion confirmation.
 497#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 498pub enum CompletionIntent {
 499    /// The user intends to 'commit' this result, if possible.
 500    /// Completion confirmations should run side effects.
 501    ///
 502    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 503    Complete,
 504    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 505    CompleteWithInsert,
 506    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 507    CompleteWithReplace,
 508    /// The user intends to continue 'composing' this completion.
 509    /// Completion confirmations should not run side effects and
 510    /// let the user continue composing their action.
 511    Compose,
 512}
 513
 514impl CompletionIntent {
 515    pub fn is_complete(&self) -> bool {
 516        self == &Self::Complete
 517    }
 518
 519    pub fn is_compose(&self) -> bool {
 520        self == &Self::Compose
 521    }
 522}
 523
 524/// Similar to `CoreCompletion`, but with extra metadata attached.
 525#[derive(Clone)]
 526pub struct Completion {
 527    /// The range of text that will be replaced by this completion.
 528    pub replace_range: Range<Anchor>,
 529    /// The new text that will be inserted.
 530    pub new_text: String,
 531    /// A label for this completion that is shown in the menu.
 532    pub label: CodeLabel,
 533    /// The documentation for this completion.
 534    pub documentation: Option<CompletionDocumentation>,
 535    /// Completion data source which it was constructed from.
 536    pub source: CompletionSource,
 537    /// A path to an icon for this completion that is shown in the menu.
 538    pub icon_path: Option<SharedString>,
 539    /// Text starting here and ending at the cursor will be used as the query for filtering this completion.
 540    ///
 541    /// If None, the start of the surrounding word is used.
 542    pub match_start: Option<text::Anchor>,
 543    /// Key used for de-duplicating snippets. If None, always considered unique.
 544    pub snippet_deduplication_key: Option<(usize, usize)>,
 545    /// Whether to adjust indentation (the default) or not.
 546    pub insert_text_mode: Option<InsertTextMode>,
 547    /// An optional callback to invoke when this completion is confirmed.
 548    /// Returns whether new completions should be retriggered after the current one.
 549    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 550    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 551    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 552}
 553
 554#[derive(Debug, Clone)]
 555pub enum CompletionSource {
 556    Lsp {
 557        /// The alternate `insert` range, if provided by the LSP server.
 558        insert_range: Option<Range<Anchor>>,
 559        /// The id of the language server that produced this completion.
 560        server_id: LanguageServerId,
 561        /// The raw completion provided by the language server.
 562        lsp_completion: Box<lsp::CompletionItem>,
 563        /// A set of defaults for this completion item.
 564        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 565        /// Whether this completion has been resolved, to ensure it happens once per completion.
 566        resolved: bool,
 567    },
 568    Dap {
 569        /// The sort text for this completion.
 570        sort_text: String,
 571    },
 572    Custom,
 573    BufferWord {
 574        word_range: Range<Anchor>,
 575        resolved: bool,
 576    },
 577}
 578
 579impl CompletionSource {
 580    pub fn server_id(&self) -> Option<LanguageServerId> {
 581        if let CompletionSource::Lsp { server_id, .. } = self {
 582            Some(*server_id)
 583        } else {
 584            None
 585        }
 586    }
 587
 588    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 589        if let Self::Lsp {
 590            lsp_completion,
 591            lsp_defaults,
 592            ..
 593        } = self
 594        {
 595            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
 596                let mut completion_with_defaults = *lsp_completion.clone();
 597                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 598                let default_edit_range = lsp_defaults.edit_range.as_ref();
 599                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 600                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 601
 602                if default_commit_characters.is_some()
 603                    || default_edit_range.is_some()
 604                    || default_insert_text_format.is_some()
 605                    || default_insert_text_mode.is_some()
 606                {
 607                    if completion_with_defaults.commit_characters.is_none()
 608                        && default_commit_characters.is_some()
 609                    {
 610                        completion_with_defaults.commit_characters =
 611                            default_commit_characters.cloned()
 612                    }
 613                    if completion_with_defaults.text_edit.is_none() {
 614                        match default_edit_range {
 615                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 616                                completion_with_defaults.text_edit =
 617                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 618                                        range: *range,
 619                                        new_text: completion_with_defaults.label.clone(),
 620                                    }))
 621                            }
 622                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 623                                insert,
 624                                replace,
 625                            }) => {
 626                                completion_with_defaults.text_edit =
 627                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 628                                        lsp::InsertReplaceEdit {
 629                                            new_text: completion_with_defaults.label.clone(),
 630                                            insert: *insert,
 631                                            replace: *replace,
 632                                        },
 633                                    ))
 634                            }
 635                            None => {}
 636                        }
 637                    }
 638                    if completion_with_defaults.insert_text_format.is_none()
 639                        && default_insert_text_format.is_some()
 640                    {
 641                        completion_with_defaults.insert_text_format =
 642                            default_insert_text_format.cloned()
 643                    }
 644                    if completion_with_defaults.insert_text_mode.is_none()
 645                        && default_insert_text_mode.is_some()
 646                    {
 647                        completion_with_defaults.insert_text_mode =
 648                            default_insert_text_mode.cloned()
 649                    }
 650                }
 651                return Some(Cow::Owned(completion_with_defaults));
 652            }
 653            Some(Cow::Borrowed(lsp_completion))
 654        } else {
 655            None
 656        }
 657    }
 658}
 659
 660impl std::fmt::Debug for Completion {
 661    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 662        f.debug_struct("Completion")
 663            .field("replace_range", &self.replace_range)
 664            .field("new_text", &self.new_text)
 665            .field("label", &self.label)
 666            .field("documentation", &self.documentation)
 667            .field("source", &self.source)
 668            .finish()
 669    }
 670}
 671
 672/// Response from a source of completions.
 673pub struct CompletionResponse {
 674    pub completions: Vec<Completion>,
 675    pub display_options: CompletionDisplayOptions,
 676    /// When false, indicates that the list is complete and does not need to be re-queried if it
 677    /// can be filtered instead.
 678    pub is_incomplete: bool,
 679}
 680
 681#[derive(Default)]
 682pub struct CompletionDisplayOptions {
 683    pub dynamic_width: bool,
 684}
 685
 686impl CompletionDisplayOptions {
 687    pub fn merge(&mut self, other: &CompletionDisplayOptions) {
 688        self.dynamic_width = self.dynamic_width && other.dynamic_width;
 689    }
 690}
 691
 692/// Response from language server completion request.
 693#[derive(Clone, Debug, Default)]
 694pub(crate) struct CoreCompletionResponse {
 695    pub completions: Vec<CoreCompletion>,
 696    /// When false, indicates that the list is complete and does not need to be re-queried if it
 697    /// can be filtered instead.
 698    pub is_incomplete: bool,
 699}
 700
 701/// A generic completion that can come from different sources.
 702#[derive(Clone, Debug)]
 703pub(crate) struct CoreCompletion {
 704    replace_range: Range<Anchor>,
 705    new_text: String,
 706    source: CompletionSource,
 707}
 708
 709/// A code action provided by a language server.
 710#[derive(Clone, Debug, PartialEq)]
 711pub struct CodeAction {
 712    /// The id of the language server that produced this code action.
 713    pub server_id: LanguageServerId,
 714    /// The range of the buffer where this code action is applicable.
 715    pub range: Range<Anchor>,
 716    /// The raw code action provided by the language server.
 717    /// Can be either an action or a command.
 718    pub lsp_action: LspAction,
 719    /// Whether the action needs to be resolved using the language server.
 720    pub resolved: bool,
 721}
 722
 723/// An action sent back by a language server.
 724#[derive(Clone, Debug, PartialEq)]
 725pub enum LspAction {
 726    /// An action with the full data, may have a command or may not.
 727    /// May require resolving.
 728    Action(Box<lsp::CodeAction>),
 729    /// A command data to run as an action.
 730    Command(lsp::Command),
 731    /// A code lens data to run as an action.
 732    CodeLens(lsp::CodeLens),
 733}
 734
 735impl LspAction {
 736    pub fn title(&self) -> &str {
 737        match self {
 738            Self::Action(action) => &action.title,
 739            Self::Command(command) => &command.title,
 740            Self::CodeLens(lens) => lens
 741                .command
 742                .as_ref()
 743                .map(|command| command.title.as_str())
 744                .unwrap_or("Unknown command"),
 745        }
 746    }
 747
 748    pub fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 749        match self {
 750            Self::Action(action) => action.kind.clone(),
 751            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 752            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 753        }
 754    }
 755
 756    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 757        match self {
 758            Self::Action(action) => action.edit.as_ref(),
 759            Self::Command(_) => None,
 760            Self::CodeLens(_) => None,
 761        }
 762    }
 763
 764    fn command(&self) -> Option<&lsp::Command> {
 765        match self {
 766            Self::Action(action) => action.command.as_ref(),
 767            Self::Command(command) => Some(command),
 768            Self::CodeLens(lens) => lens.command.as_ref(),
 769        }
 770    }
 771}
 772
 773#[derive(Debug, Clone, PartialEq, Eq)]
 774pub enum ResolveState {
 775    Resolved,
 776    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 777    Resolving,
 778}
 779impl InlayHint {
 780    pub fn text(&self) -> Rope {
 781        match &self.label {
 782            InlayHintLabel::String(s) => Rope::from(s),
 783            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
 784        }
 785    }
 786}
 787
 788#[derive(Debug, Clone, PartialEq, Eq)]
 789pub enum InlayHintLabel {
 790    String(String),
 791    LabelParts(Vec<InlayHintLabelPart>),
 792}
 793
 794#[derive(Debug, Clone, PartialEq, Eq)]
 795pub struct InlayHintLabelPart {
 796    pub value: String,
 797    pub tooltip: Option<InlayHintLabelPartTooltip>,
 798    pub location: Option<(LanguageServerId, lsp::Location)>,
 799}
 800
 801#[derive(Debug, Clone, PartialEq, Eq)]
 802pub enum InlayHintTooltip {
 803    String(String),
 804    MarkupContent(MarkupContent),
 805}
 806
 807#[derive(Debug, Clone, PartialEq, Eq)]
 808pub enum InlayHintLabelPartTooltip {
 809    String(String),
 810    MarkupContent(MarkupContent),
 811}
 812
 813#[derive(Debug, Clone, PartialEq, Eq)]
 814pub struct MarkupContent {
 815    pub kind: HoverBlockKind,
 816    pub value: String,
 817}
 818
 819#[derive(Debug, Clone, PartialEq)]
 820pub struct LocationLink {
 821    pub origin: Option<Location>,
 822    pub target: Location,
 823}
 824
 825#[derive(Debug)]
 826pub struct DocumentHighlight {
 827    pub range: Range<language::Anchor>,
 828    pub kind: DocumentHighlightKind,
 829}
 830
 831#[derive(Clone, Debug)]
 832pub struct Symbol {
 833    pub language_server_name: LanguageServerName,
 834    pub source_worktree_id: WorktreeId,
 835    pub source_language_server_id: LanguageServerId,
 836    pub path: SymbolLocation,
 837    pub label: CodeLabel,
 838    pub name: String,
 839    pub kind: lsp::SymbolKind,
 840    pub range: Range<Unclipped<PointUtf16>>,
 841    pub container_name: Option<String>,
 842}
 843
 844#[derive(Clone, Debug)]
 845pub struct DocumentSymbol {
 846    pub name: String,
 847    pub kind: lsp::SymbolKind,
 848    pub range: Range<Unclipped<PointUtf16>>,
 849    pub selection_range: Range<Unclipped<PointUtf16>>,
 850    pub children: Vec<DocumentSymbol>,
 851}
 852
 853#[derive(Clone, Debug, PartialEq)]
 854pub struct HoverBlock {
 855    pub text: String,
 856    pub kind: HoverBlockKind,
 857}
 858
 859#[derive(Clone, Debug, PartialEq, Eq)]
 860pub enum HoverBlockKind {
 861    PlainText,
 862    Markdown,
 863    Code { language: String },
 864}
 865
 866#[derive(Debug, Clone)]
 867pub struct Hover {
 868    pub contents: Vec<HoverBlock>,
 869    pub range: Option<Range<language::Anchor>>,
 870    pub language: Option<Arc<Language>>,
 871}
 872
 873impl Hover {
 874    pub fn is_empty(&self) -> bool {
 875        self.contents.iter().all(|block| block.text.is_empty())
 876    }
 877}
 878
 879enum EntitySubscription {
 880    Project(PendingEntitySubscription<Project>),
 881    BufferStore(PendingEntitySubscription<BufferStore>),
 882    GitStore(PendingEntitySubscription<GitStore>),
 883    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 884    LspStore(PendingEntitySubscription<LspStore>),
 885    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 886    DapStore(PendingEntitySubscription<DapStore>),
 887    BreakpointStore(PendingEntitySubscription<BreakpointStore>),
 888}
 889
 890#[derive(Debug, Clone)]
 891pub struct DirectoryItem {
 892    pub path: PathBuf,
 893    pub is_dir: bool,
 894}
 895
 896#[derive(Clone, Debug, PartialEq)]
 897pub struct DocumentColor {
 898    pub lsp_range: lsp::Range,
 899    pub color: lsp::Color,
 900    pub resolved: bool,
 901    pub color_presentations: Vec<ColorPresentation>,
 902}
 903
 904impl Eq for DocumentColor {}
 905
 906impl std::hash::Hash for DocumentColor {
 907    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 908        self.lsp_range.hash(state);
 909        self.color.red.to_bits().hash(state);
 910        self.color.green.to_bits().hash(state);
 911        self.color.blue.to_bits().hash(state);
 912        self.color.alpha.to_bits().hash(state);
 913        self.resolved.hash(state);
 914        self.color_presentations.hash(state);
 915    }
 916}
 917
 918#[derive(Clone, Debug, PartialEq, Eq)]
 919pub struct ColorPresentation {
 920    pub label: SharedString,
 921    pub text_edit: Option<lsp::TextEdit>,
 922    pub additional_text_edits: Vec<lsp::TextEdit>,
 923}
 924
 925impl std::hash::Hash for ColorPresentation {
 926    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 927        self.label.hash(state);
 928        if let Some(ref edit) = self.text_edit {
 929            edit.range.hash(state);
 930            edit.new_text.hash(state);
 931        }
 932        self.additional_text_edits.len().hash(state);
 933        for edit in &self.additional_text_edits {
 934            edit.range.hash(state);
 935            edit.new_text.hash(state);
 936        }
 937    }
 938}
 939
 940#[derive(Clone)]
 941pub enum DirectoryLister {
 942    Project(Entity<Project>),
 943    Local(Entity<Project>, Arc<dyn Fs>),
 944}
 945
 946impl std::fmt::Debug for DirectoryLister {
 947    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 948        match self {
 949            DirectoryLister::Project(project) => {
 950                write!(f, "DirectoryLister::Project({project:?})")
 951            }
 952            DirectoryLister::Local(project, _) => {
 953                write!(f, "DirectoryLister::Local({project:?})")
 954            }
 955        }
 956    }
 957}
 958
 959impl DirectoryLister {
 960    pub fn is_local(&self, cx: &App) -> bool {
 961        match self {
 962            DirectoryLister::Local(..) => true,
 963            DirectoryLister::Project(project) => project.read(cx).is_local(),
 964        }
 965    }
 966
 967    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 968        if self.is_local(cx) {
 969            shellexpand::tilde(path)
 970        } else {
 971            Cow::from(path)
 972        }
 973    }
 974
 975    pub fn default_query(&self, cx: &mut App) -> String {
 976        let project = match self {
 977            DirectoryLister::Project(project) => project,
 978            DirectoryLister::Local(project, _) => project,
 979        }
 980        .read(cx);
 981        let path_style = project.path_style(cx);
 982        project
 983            .visible_worktrees(cx)
 984            .next()
 985            .map(|worktree| worktree.read(cx).abs_path().to_string_lossy().into_owned())
 986            .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().into_owned()))
 987            .map(|mut s| {
 988                s.push_str(path_style.primary_separator());
 989                s
 990            })
 991            .unwrap_or_else(|| {
 992                if path_style.is_windows() {
 993                    "C:\\"
 994                } else {
 995                    "~/"
 996                }
 997                .to_string()
 998            })
 999    }
1000
1001    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
1002        match self {
1003            DirectoryLister::Project(project) => {
1004                project.update(cx, |project, cx| project.list_directory(path, cx))
1005            }
1006            DirectoryLister::Local(_, fs) => {
1007                let fs = fs.clone();
1008                cx.background_spawn(async move {
1009                    let mut results = vec![];
1010                    let expanded = shellexpand::tilde(&path);
1011                    let query = Path::new(expanded.as_ref());
1012                    let mut response = fs.read_dir(query).await?;
1013                    while let Some(path) = response.next().await {
1014                        let path = path?;
1015                        if let Some(file_name) = path.file_name() {
1016                            results.push(DirectoryItem {
1017                                path: PathBuf::from(file_name.to_os_string()),
1018                                is_dir: fs.is_dir(&path).await,
1019                            });
1020                        }
1021                    }
1022                    Ok(results)
1023                })
1024            }
1025        }
1026    }
1027
1028    pub fn path_style(&self, cx: &App) -> PathStyle {
1029        match self {
1030            Self::Local(project, ..) | Self::Project(project, ..) => {
1031                project.read(cx).path_style(cx)
1032            }
1033        }
1034    }
1035}
1036
1037pub const CURRENT_PROJECT_FEATURES: &[&str] = &["new-style-anchors"];
1038
1039#[cfg(feature = "test-support")]
1040pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
1041    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
1042    trigger_character: None,
1043};
1044
1045/// An LSP diagnostics associated with a certain language server.
1046#[derive(Clone, Debug, Default)]
1047pub enum LspPullDiagnostics {
1048    #[default]
1049    Default,
1050    Response {
1051        /// The id of the language server that produced diagnostics.
1052        server_id: LanguageServerId,
1053        /// URI of the resource,
1054        uri: lsp::Uri,
1055        /// The ID provided by the dynamic registration that produced diagnostics.
1056        registration_id: Option<SharedString>,
1057        /// The diagnostics produced by this language server.
1058        diagnostics: PulledDiagnostics,
1059    },
1060}
1061
1062#[derive(Clone, Debug)]
1063pub enum PulledDiagnostics {
1064    Unchanged {
1065        /// An ID the current pulled batch for this file.
1066        /// If given, can be used to query workspace diagnostics partially.
1067        result_id: SharedString,
1068    },
1069    Changed {
1070        result_id: Option<SharedString>,
1071        diagnostics: Vec<lsp::Diagnostic>,
1072    },
1073}
1074
1075/// Whether to disable all AI features in Zed.
1076///
1077/// Default: false
1078#[derive(Copy, Clone, Debug, RegisterSetting)]
1079pub struct DisableAiSettings {
1080    pub disable_ai: bool,
1081}
1082
1083impl settings::Settings for DisableAiSettings {
1084    fn from_settings(content: &settings::SettingsContent) -> Self {
1085        Self {
1086            disable_ai: content.project.disable_ai.unwrap().0,
1087        }
1088    }
1089}
1090
1091impl DisableAiSettings {
1092    /// Returns whether AI is disabled for the given file.
1093    ///
1094    /// This checks the project-level settings for the file's worktree,
1095    /// allowing `disable_ai` to be configured per-project in `.zed/settings.json`.
1096    pub fn is_ai_disabled_for_buffer(buffer: Option<&Entity<Buffer>>, cx: &App) -> bool {
1097        Self::is_ai_disabled_for_file(buffer.and_then(|buffer| buffer.read(cx).file()), cx)
1098    }
1099
1100    pub fn is_ai_disabled_for_file(file: Option<&Arc<dyn language::File>>, cx: &App) -> bool {
1101        let location = file.map(|f| settings::SettingsLocation {
1102            worktree_id: f.worktree_id(cx),
1103            path: f.path().as_ref(),
1104        });
1105        Self::get(location, cx).disable_ai
1106    }
1107}
1108
1109impl Project {
1110    pub fn init(client: &Arc<Client>, cx: &mut App) {
1111        connection_manager::init(client.clone(), cx);
1112
1113        let client: AnyProtoClient = client.clone().into();
1114        client.add_entity_message_handler(Self::handle_add_collaborator);
1115        client.add_entity_message_handler(Self::handle_update_project_collaborator);
1116        client.add_entity_message_handler(Self::handle_remove_collaborator);
1117        client.add_entity_message_handler(Self::handle_update_project);
1118        client.add_entity_message_handler(Self::handle_unshare_project);
1119        client.add_entity_request_handler(Self::handle_update_buffer);
1120        client.add_entity_message_handler(Self::handle_update_worktree);
1121        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1122
1123        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1124        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1125        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1126        client.add_entity_request_handler(Self::handle_open_new_buffer);
1127        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1128        client.add_entity_message_handler(Self::handle_toggle_lsp_logs);
1129        client.add_entity_message_handler(Self::handle_create_image_for_peer);
1130        client.add_entity_request_handler(Self::handle_find_search_candidates_chunk);
1131        client.add_entity_message_handler(Self::handle_find_search_candidates_cancel);
1132        client.add_entity_message_handler(Self::handle_create_file_for_peer);
1133
1134        WorktreeStore::init(&client);
1135        BufferStore::init(&client);
1136        LspStore::init(&client);
1137        GitStore::init(&client);
1138        SettingsObserver::init(&client);
1139        TaskStore::init(Some(&client));
1140        ToolchainStore::init(&client);
1141        DapStore::init(&client, cx);
1142        BreakpointStore::init(&client);
1143        context_server_store::init(cx);
1144    }
1145
1146    pub fn local(
1147        client: Arc<Client>,
1148        node: NodeRuntime,
1149        user_store: Entity<UserStore>,
1150        languages: Arc<LanguageRegistry>,
1151        fs: Arc<dyn Fs>,
1152        env: Option<HashMap<String, String>>,
1153        flags: LocalProjectFlags,
1154        cx: &mut App,
1155    ) -> Entity<Self> {
1156        cx.new(|cx: &mut Context<Self>| {
1157            let (tx, rx) = mpsc::unbounded();
1158            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1159                .detach();
1160            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1161            let worktree_store =
1162                cx.new(|cx| WorktreeStore::local(false, fs.clone(), WorktreeIdCounter::get(cx)));
1163            if flags.init_worktree_trust {
1164                trusted_worktrees::track_worktree_trust(
1165                    worktree_store.clone(),
1166                    None,
1167                    None,
1168                    None,
1169                    cx,
1170                );
1171            }
1172            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1173                .detach();
1174
1175            let weak_self = cx.weak_entity();
1176            let context_server_store = cx.new(|cx| {
1177                ContextServerStore::local(
1178                    worktree_store.clone(),
1179                    Some(weak_self.clone()),
1180                    false,
1181                    cx,
1182                )
1183            });
1184
1185            let environment = cx.new(|cx| {
1186                ProjectEnvironment::new(env, worktree_store.downgrade(), None, false, cx)
1187            });
1188            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1189            let toolchain_store = cx.new(|cx| {
1190                ToolchainStore::local(
1191                    languages.clone(),
1192                    worktree_store.clone(),
1193                    environment.clone(),
1194                    manifest_tree.clone(),
1195                    cx,
1196                )
1197            });
1198
1199            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1200            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1201                .detach();
1202
1203            let breakpoint_store =
1204                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1205
1206            let dap_store = cx.new(|cx| {
1207                DapStore::new_local(
1208                    client.http_client(),
1209                    node.clone(),
1210                    fs.clone(),
1211                    environment.clone(),
1212                    toolchain_store.read(cx).as_language_toolchain_store(),
1213                    worktree_store.clone(),
1214                    breakpoint_store.clone(),
1215                    false,
1216                    cx,
1217                )
1218            });
1219            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1220
1221            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1222            cx.subscribe(&image_store, Self::on_image_store_event)
1223                .detach();
1224
1225            let prettier_store = cx.new(|cx| {
1226                PrettierStore::new(
1227                    node.clone(),
1228                    fs.clone(),
1229                    languages.clone(),
1230                    worktree_store.clone(),
1231                    cx,
1232                )
1233            });
1234
1235            let git_store = cx.new(|cx| {
1236                GitStore::local(
1237                    &worktree_store,
1238                    buffer_store.clone(),
1239                    environment.clone(),
1240                    fs.clone(),
1241                    cx,
1242                )
1243            });
1244
1245            let task_store = cx.new(|cx| {
1246                TaskStore::local(
1247                    buffer_store.downgrade(),
1248                    worktree_store.clone(),
1249                    toolchain_store.read(cx).as_language_toolchain_store(),
1250                    environment.clone(),
1251                    git_store.clone(),
1252                    cx,
1253                )
1254            });
1255
1256            let settings_observer = cx.new(|cx| {
1257                SettingsObserver::new_local(
1258                    fs.clone(),
1259                    worktree_store.clone(),
1260                    task_store.clone(),
1261                    flags.watch_global_configs,
1262                    cx,
1263                )
1264            });
1265            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1266                .detach();
1267
1268            let lsp_store = cx.new(|cx| {
1269                LspStore::new_local(
1270                    buffer_store.clone(),
1271                    worktree_store.clone(),
1272                    prettier_store.clone(),
1273                    toolchain_store
1274                        .read(cx)
1275                        .as_local_store()
1276                        .expect("Toolchain store to be local")
1277                        .clone(),
1278                    environment.clone(),
1279                    manifest_tree,
1280                    languages.clone(),
1281                    client.http_client(),
1282                    fs.clone(),
1283                    cx,
1284                )
1285            });
1286
1287            let agent_server_store = cx.new(|cx| {
1288                AgentServerStore::local(
1289                    node.clone(),
1290                    fs.clone(),
1291                    environment.clone(),
1292                    client.http_client(),
1293                    cx,
1294                )
1295            });
1296
1297            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1298
1299            Self {
1300                buffer_ordered_messages_tx: tx,
1301                collaborators: Default::default(),
1302                worktree_store,
1303                buffer_store,
1304                image_store,
1305                lsp_store,
1306                context_server_store,
1307                join_project_response_message_id: 0,
1308                client_state: ProjectClientState::Local,
1309                git_store,
1310                client_subscriptions: Vec::new(),
1311                _subscriptions: vec![cx.on_release(Self::release)],
1312                active_entry: None,
1313                snippets,
1314                languages,
1315                collab_client: client,
1316                task_store,
1317                user_store,
1318                settings_observer,
1319                fs,
1320                remote_client: None,
1321                breakpoint_store,
1322                dap_store,
1323                agent_server_store,
1324
1325                buffers_needing_diff: Default::default(),
1326                git_diff_debouncer: DebouncedDelay::new(),
1327                terminals: Terminals {
1328                    local_handles: Vec::new(),
1329                },
1330                node: Some(node),
1331                search_history: Self::new_search_history(),
1332                environment,
1333                remotely_created_models: Default::default(),
1334
1335                search_included_history: Self::new_search_history(),
1336                search_excluded_history: Self::new_search_history(),
1337
1338                toolchain_store: Some(toolchain_store),
1339
1340                agent_location: None,
1341                downloading_files: Default::default(),
1342            }
1343        })
1344    }
1345
1346    pub fn remote(
1347        remote: Entity<RemoteClient>,
1348        client: Arc<Client>,
1349        node: NodeRuntime,
1350        user_store: Entity<UserStore>,
1351        languages: Arc<LanguageRegistry>,
1352        fs: Arc<dyn Fs>,
1353        init_worktree_trust: bool,
1354        cx: &mut App,
1355    ) -> Entity<Self> {
1356        cx.new(|cx: &mut Context<Self>| {
1357            let (tx, rx) = mpsc::unbounded();
1358            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1359                .detach();
1360            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1361
1362            let (remote_proto, path_style, connection_options) =
1363                remote.read_with(cx, |remote, _| {
1364                    (
1365                        remote.proto_client(),
1366                        remote.path_style(),
1367                        remote.connection_options(),
1368                    )
1369                });
1370            let worktree_store = cx.new(|cx| {
1371                WorktreeStore::remote(
1372                    false,
1373                    remote_proto.clone(),
1374                    REMOTE_SERVER_PROJECT_ID,
1375                    path_style,
1376                    WorktreeIdCounter::get(cx),
1377                )
1378            });
1379
1380            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1381                .detach();
1382            if init_worktree_trust {
1383                trusted_worktrees::track_worktree_trust(
1384                    worktree_store.clone(),
1385                    Some(RemoteHostLocation::from(connection_options)),
1386                    None,
1387                    Some((remote_proto.clone(), ProjectId(REMOTE_SERVER_PROJECT_ID))),
1388                    cx,
1389                );
1390            }
1391
1392            let weak_self = cx.weak_entity();
1393
1394            let buffer_store = cx.new(|cx| {
1395                BufferStore::remote(
1396                    worktree_store.clone(),
1397                    remote.read(cx).proto_client(),
1398                    REMOTE_SERVER_PROJECT_ID,
1399                    cx,
1400                )
1401            });
1402            let image_store = cx.new(|cx| {
1403                ImageStore::remote(
1404                    worktree_store.clone(),
1405                    remote.read(cx).proto_client(),
1406                    REMOTE_SERVER_PROJECT_ID,
1407                    cx,
1408                )
1409            });
1410            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1411                .detach();
1412            let toolchain_store = cx.new(|cx| {
1413                ToolchainStore::remote(
1414                    REMOTE_SERVER_PROJECT_ID,
1415                    worktree_store.clone(),
1416                    remote.read(cx).proto_client(),
1417                    cx,
1418                )
1419            });
1420
1421            let context_server_store = cx.new(|cx| {
1422                ContextServerStore::remote(
1423                    rpc::proto::REMOTE_SERVER_PROJECT_ID,
1424                    remote.clone(),
1425                    worktree_store.clone(),
1426                    Some(weak_self.clone()),
1427                    cx,
1428                )
1429            });
1430
1431            let environment = cx.new(|cx| {
1432                ProjectEnvironment::new(
1433                    None,
1434                    worktree_store.downgrade(),
1435                    Some(remote.downgrade()),
1436                    false,
1437                    cx,
1438                )
1439            });
1440
1441            let lsp_store = cx.new(|cx| {
1442                LspStore::new_remote(
1443                    buffer_store.clone(),
1444                    worktree_store.clone(),
1445                    languages.clone(),
1446                    remote_proto.clone(),
1447                    REMOTE_SERVER_PROJECT_ID,
1448                    cx,
1449                )
1450            });
1451            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1452
1453            let breakpoint_store = cx.new(|_| {
1454                BreakpointStore::remote(
1455                    REMOTE_SERVER_PROJECT_ID,
1456                    remote_proto.clone(),
1457                    buffer_store.clone(),
1458                    worktree_store.clone(),
1459                )
1460            });
1461
1462            let dap_store = cx.new(|cx| {
1463                DapStore::new_remote(
1464                    REMOTE_SERVER_PROJECT_ID,
1465                    remote.clone(),
1466                    breakpoint_store.clone(),
1467                    worktree_store.clone(),
1468                    node.clone(),
1469                    client.http_client(),
1470                    fs.clone(),
1471                    cx,
1472                )
1473            });
1474
1475            let git_store = cx.new(|cx| {
1476                GitStore::remote(
1477                    &worktree_store,
1478                    buffer_store.clone(),
1479                    remote_proto.clone(),
1480                    REMOTE_SERVER_PROJECT_ID,
1481                    cx,
1482                )
1483            });
1484
1485            let task_store = cx.new(|cx| {
1486                TaskStore::remote(
1487                    buffer_store.downgrade(),
1488                    worktree_store.clone(),
1489                    toolchain_store.read(cx).as_language_toolchain_store(),
1490                    remote.read(cx).proto_client(),
1491                    REMOTE_SERVER_PROJECT_ID,
1492                    git_store.clone(),
1493                    cx,
1494                )
1495            });
1496
1497            let settings_observer = cx.new(|cx| {
1498                SettingsObserver::new_remote(
1499                    fs.clone(),
1500                    worktree_store.clone(),
1501                    task_store.clone(),
1502                    Some(remote_proto.clone()),
1503                    false,
1504                    cx,
1505                )
1506            });
1507            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1508                .detach();
1509
1510            let agent_server_store = cx.new(|_| {
1511                AgentServerStore::remote(
1512                    REMOTE_SERVER_PROJECT_ID,
1513                    remote.clone(),
1514                    worktree_store.clone(),
1515                )
1516            });
1517
1518            cx.subscribe(&remote, Self::on_remote_client_event).detach();
1519
1520            let this = Self {
1521                buffer_ordered_messages_tx: tx,
1522                collaborators: Default::default(),
1523                worktree_store,
1524                buffer_store,
1525                image_store,
1526                lsp_store,
1527                context_server_store,
1528                breakpoint_store,
1529                dap_store,
1530                join_project_response_message_id: 0,
1531                client_state: ProjectClientState::Local,
1532                git_store,
1533                agent_server_store,
1534                client_subscriptions: Vec::new(),
1535                _subscriptions: vec![
1536                    cx.on_release(Self::release),
1537                    cx.on_app_quit(|this, cx| {
1538                        let shutdown = this.remote_client.take().and_then(|client| {
1539                            client.update(cx, |client, cx| {
1540                                client.shutdown_processes(
1541                                    Some(proto::ShutdownRemoteServer {}),
1542                                    cx.background_executor().clone(),
1543                                )
1544                            })
1545                        });
1546
1547                        cx.background_executor().spawn(async move {
1548                            if let Some(shutdown) = shutdown {
1549                                shutdown.await;
1550                            }
1551                        })
1552                    }),
1553                ],
1554                active_entry: None,
1555                snippets,
1556                languages,
1557                collab_client: client,
1558                task_store,
1559                user_store,
1560                settings_observer,
1561                fs,
1562                remote_client: Some(remote.clone()),
1563                buffers_needing_diff: Default::default(),
1564                git_diff_debouncer: DebouncedDelay::new(),
1565                terminals: Terminals {
1566                    local_handles: Vec::new(),
1567                },
1568                node: Some(node),
1569                search_history: Self::new_search_history(),
1570                environment,
1571                remotely_created_models: Default::default(),
1572
1573                search_included_history: Self::new_search_history(),
1574                search_excluded_history: Self::new_search_history(),
1575
1576                toolchain_store: Some(toolchain_store),
1577                agent_location: None,
1578                downloading_files: Default::default(),
1579            };
1580
1581            // remote server -> local machine handlers
1582            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &cx.entity());
1583            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.buffer_store);
1584            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.worktree_store);
1585            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.lsp_store);
1586            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.dap_store);
1587            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.breakpoint_store);
1588            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.settings_observer);
1589            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.git_store);
1590            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.agent_server_store);
1591
1592            remote_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1593            remote_proto.add_entity_message_handler(Self::handle_create_image_for_peer);
1594            remote_proto.add_entity_message_handler(Self::handle_create_file_for_peer);
1595            remote_proto.add_entity_message_handler(Self::handle_update_worktree);
1596            remote_proto.add_entity_message_handler(Self::handle_update_project);
1597            remote_proto.add_entity_message_handler(Self::handle_toast);
1598            remote_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1599            remote_proto.add_entity_message_handler(Self::handle_hide_toast);
1600            remote_proto.add_entity_request_handler(Self::handle_update_buffer_from_remote_server);
1601            remote_proto.add_entity_request_handler(Self::handle_trust_worktrees);
1602            remote_proto.add_entity_request_handler(Self::handle_restrict_worktrees);
1603            remote_proto.add_entity_request_handler(Self::handle_find_search_candidates_chunk);
1604
1605            remote_proto.add_entity_message_handler(Self::handle_find_search_candidates_cancel);
1606            BufferStore::init(&remote_proto);
1607            WorktreeStore::init_remote(&remote_proto);
1608            LspStore::init(&remote_proto);
1609            SettingsObserver::init(&remote_proto);
1610            TaskStore::init(Some(&remote_proto));
1611            ToolchainStore::init(&remote_proto);
1612            DapStore::init(&remote_proto, cx);
1613            BreakpointStore::init(&remote_proto);
1614            GitStore::init(&remote_proto);
1615            AgentServerStore::init_remote(&remote_proto);
1616
1617            this
1618        })
1619    }
1620
1621    pub async fn in_room(
1622        remote_id: u64,
1623        client: Arc<Client>,
1624        user_store: Entity<UserStore>,
1625        languages: Arc<LanguageRegistry>,
1626        fs: Arc<dyn Fs>,
1627        cx: AsyncApp,
1628    ) -> Result<Entity<Self>> {
1629        client.connect(true, &cx).await.into_response()?;
1630
1631        let subscriptions = [
1632            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1633            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1634            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1635            EntitySubscription::WorktreeStore(
1636                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1637            ),
1638            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1639            EntitySubscription::SettingsObserver(
1640                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1641            ),
1642            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1643            EntitySubscription::BreakpointStore(
1644                client.subscribe_to_entity::<BreakpointStore>(remote_id)?,
1645            ),
1646        ];
1647        let committer = get_git_committer(&cx).await;
1648        let response = client
1649            .request_envelope(proto::JoinProject {
1650                project_id: remote_id,
1651                committer_email: committer.email,
1652                committer_name: committer.name,
1653                features: CURRENT_PROJECT_FEATURES
1654                    .iter()
1655                    .map(|s| s.to_string())
1656                    .collect(),
1657            })
1658            .await?;
1659        Self::from_join_project_response(
1660            response,
1661            subscriptions,
1662            client,
1663            false,
1664            user_store,
1665            languages,
1666            fs,
1667            cx,
1668        )
1669        .await
1670    }
1671
1672    async fn from_join_project_response(
1673        response: TypedEnvelope<proto::JoinProjectResponse>,
1674        subscriptions: [EntitySubscription; 8],
1675        client: Arc<Client>,
1676        run_tasks: bool,
1677        user_store: Entity<UserStore>,
1678        languages: Arc<LanguageRegistry>,
1679        fs: Arc<dyn Fs>,
1680        mut cx: AsyncApp,
1681    ) -> Result<Entity<Self>> {
1682        let remote_id = response.payload.project_id;
1683        let role = response.payload.role();
1684
1685        let path_style = if response.payload.windows_paths {
1686            PathStyle::Windows
1687        } else {
1688            PathStyle::Posix
1689        };
1690
1691        let worktree_store = cx.new(|cx| {
1692            WorktreeStore::remote(
1693                true,
1694                client.clone().into(),
1695                response.payload.project_id,
1696                path_style,
1697                WorktreeIdCounter::get(cx),
1698            )
1699        });
1700        let buffer_store = cx.new(|cx| {
1701            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1702        });
1703        let image_store = cx.new(|cx| {
1704            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1705        });
1706
1707        let environment =
1708            cx.new(|cx| ProjectEnvironment::new(None, worktree_store.downgrade(), None, true, cx));
1709        let breakpoint_store = cx.new(|_| {
1710            BreakpointStore::remote(
1711                remote_id,
1712                client.clone().into(),
1713                buffer_store.clone(),
1714                worktree_store.clone(),
1715            )
1716        });
1717        let dap_store = cx.new(|cx| {
1718            DapStore::new_collab(
1719                remote_id,
1720                client.clone().into(),
1721                breakpoint_store.clone(),
1722                worktree_store.clone(),
1723                fs.clone(),
1724                cx,
1725            )
1726        });
1727
1728        let lsp_store = cx.new(|cx| {
1729            LspStore::new_remote(
1730                buffer_store.clone(),
1731                worktree_store.clone(),
1732                languages.clone(),
1733                client.clone().into(),
1734                remote_id,
1735                cx,
1736            )
1737        });
1738
1739        let git_store = cx.new(|cx| {
1740            GitStore::remote(
1741                // In this remote case we pass None for the environment
1742                &worktree_store,
1743                buffer_store.clone(),
1744                client.clone().into(),
1745                remote_id,
1746                cx,
1747            )
1748        });
1749
1750        let task_store = cx.new(|cx| {
1751            if run_tasks {
1752                TaskStore::remote(
1753                    buffer_store.downgrade(),
1754                    worktree_store.clone(),
1755                    Arc::new(EmptyToolchainStore),
1756                    client.clone().into(),
1757                    remote_id,
1758                    git_store.clone(),
1759                    cx,
1760                )
1761            } else {
1762                TaskStore::Noop
1763            }
1764        });
1765
1766        let settings_observer = cx.new(|cx| {
1767            SettingsObserver::new_remote(
1768                fs.clone(),
1769                worktree_store.clone(),
1770                task_store.clone(),
1771                None,
1772                true,
1773                cx,
1774            )
1775        });
1776
1777        let agent_server_store = cx.new(|_cx| AgentServerStore::collab());
1778        let replica_id = ReplicaId::new(response.payload.replica_id as u16);
1779
1780        let project = cx.new(|cx| {
1781            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1782
1783            let weak_self = cx.weak_entity();
1784            let context_server_store = cx.new(|cx| {
1785                ContextServerStore::local(worktree_store.clone(), Some(weak_self), false, cx)
1786            });
1787
1788            let mut worktrees = Vec::new();
1789            for worktree in response.payload.worktrees {
1790                let worktree = Worktree::remote(
1791                    remote_id,
1792                    replica_id,
1793                    worktree,
1794                    client.clone().into(),
1795                    path_style,
1796                    cx,
1797                );
1798                worktrees.push(worktree);
1799            }
1800
1801            let (tx, rx) = mpsc::unbounded();
1802            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1803                .detach();
1804
1805            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1806                .detach();
1807
1808            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1809                .detach();
1810            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1811            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1812                .detach();
1813
1814            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1815
1816            let mut project = Self {
1817                buffer_ordered_messages_tx: tx,
1818                buffer_store: buffer_store.clone(),
1819                image_store,
1820                worktree_store: worktree_store.clone(),
1821                lsp_store: lsp_store.clone(),
1822                context_server_store,
1823                active_entry: None,
1824                collaborators: Default::default(),
1825                join_project_response_message_id: response.message_id,
1826                languages,
1827                user_store: user_store.clone(),
1828                task_store,
1829                snippets,
1830                fs,
1831                remote_client: None,
1832                settings_observer: settings_observer.clone(),
1833                client_subscriptions: Default::default(),
1834                _subscriptions: vec![cx.on_release(Self::release)],
1835                collab_client: client.clone(),
1836                client_state: ProjectClientState::Collab {
1837                    sharing_has_stopped: false,
1838                    capability: Capability::ReadWrite,
1839                    remote_id,
1840                    replica_id,
1841                },
1842                breakpoint_store: breakpoint_store.clone(),
1843                dap_store: dap_store.clone(),
1844                git_store: git_store.clone(),
1845                agent_server_store,
1846                buffers_needing_diff: Default::default(),
1847                git_diff_debouncer: DebouncedDelay::new(),
1848                terminals: Terminals {
1849                    local_handles: Vec::new(),
1850                },
1851                node: None,
1852                search_history: Self::new_search_history(),
1853                search_included_history: Self::new_search_history(),
1854                search_excluded_history: Self::new_search_history(),
1855                environment,
1856                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1857                toolchain_store: None,
1858                agent_location: None,
1859                downloading_files: Default::default(),
1860            };
1861            project.set_role(role, cx);
1862            for worktree in worktrees {
1863                project.add_worktree(&worktree, cx);
1864            }
1865            project
1866        });
1867
1868        let weak_project = project.downgrade();
1869        lsp_store.update(&mut cx, |lsp_store, cx| {
1870            lsp_store.set_language_server_statuses_from_proto(
1871                weak_project,
1872                response.payload.language_servers,
1873                response.payload.language_server_capabilities,
1874                cx,
1875            );
1876        });
1877
1878        let subscriptions = subscriptions
1879            .into_iter()
1880            .map(|s| match s {
1881                EntitySubscription::BufferStore(subscription) => {
1882                    subscription.set_entity(&buffer_store, &cx)
1883                }
1884                EntitySubscription::WorktreeStore(subscription) => {
1885                    subscription.set_entity(&worktree_store, &cx)
1886                }
1887                EntitySubscription::GitStore(subscription) => {
1888                    subscription.set_entity(&git_store, &cx)
1889                }
1890                EntitySubscription::SettingsObserver(subscription) => {
1891                    subscription.set_entity(&settings_observer, &cx)
1892                }
1893                EntitySubscription::Project(subscription) => subscription.set_entity(&project, &cx),
1894                EntitySubscription::LspStore(subscription) => {
1895                    subscription.set_entity(&lsp_store, &cx)
1896                }
1897                EntitySubscription::DapStore(subscription) => {
1898                    subscription.set_entity(&dap_store, &cx)
1899                }
1900                EntitySubscription::BreakpointStore(subscription) => {
1901                    subscription.set_entity(&breakpoint_store, &cx)
1902                }
1903            })
1904            .collect::<Vec<_>>();
1905
1906        let user_ids = response
1907            .payload
1908            .collaborators
1909            .iter()
1910            .map(|peer| peer.user_id)
1911            .collect();
1912        user_store
1913            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))
1914            .await?;
1915
1916        project.update(&mut cx, |this, cx| {
1917            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1918            this.client_subscriptions.extend(subscriptions);
1919            anyhow::Ok(())
1920        })?;
1921
1922        Ok(project)
1923    }
1924
1925    fn new_search_history() -> SearchHistory {
1926        SearchHistory::new(
1927            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1928            search_history::QueryInsertionBehavior::AlwaysInsert,
1929        )
1930    }
1931
1932    fn release(&mut self, cx: &mut App) {
1933        if let Some(client) = self.remote_client.take() {
1934            let shutdown = client.update(cx, |client, cx| {
1935                client.shutdown_processes(
1936                    Some(proto::ShutdownRemoteServer {}),
1937                    cx.background_executor().clone(),
1938                )
1939            });
1940
1941            cx.background_spawn(async move {
1942                if let Some(shutdown) = shutdown {
1943                    shutdown.await;
1944                }
1945            })
1946            .detach()
1947        }
1948
1949        match &self.client_state {
1950            ProjectClientState::Local => {}
1951            ProjectClientState::Shared { .. } => {
1952                let _ = self.unshare_internal(cx);
1953            }
1954            ProjectClientState::Collab { remote_id, .. } => {
1955                let _ = self.collab_client.send(proto::LeaveProject {
1956                    project_id: *remote_id,
1957                });
1958                self.disconnected_from_host_internal(cx);
1959            }
1960        }
1961    }
1962
1963    #[cfg(feature = "test-support")]
1964    pub fn client_subscriptions(&self) -> &Vec<client::Subscription> {
1965        &self.client_subscriptions
1966    }
1967
1968    #[cfg(feature = "test-support")]
1969    pub async fn example(
1970        root_paths: impl IntoIterator<Item = &Path>,
1971        cx: &mut AsyncApp,
1972    ) -> Entity<Project> {
1973        use clock::FakeSystemClock;
1974
1975        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1976        let languages = LanguageRegistry::test(cx.background_executor().clone());
1977        let clock = Arc::new(FakeSystemClock::new());
1978        let http_client = http_client::FakeHttpClient::with_404_response();
1979        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1980        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1981        let project = cx.update(|cx| {
1982            Project::local(
1983                client,
1984                node_runtime::NodeRuntime::unavailable(),
1985                user_store,
1986                Arc::new(languages),
1987                fs,
1988                None,
1989                LocalProjectFlags {
1990                    init_worktree_trust: false,
1991                    ..Default::default()
1992                },
1993                cx,
1994            )
1995        });
1996        for path in root_paths {
1997            let (tree, _): (Entity<Worktree>, _) = project
1998                .update(cx, |project, cx| {
1999                    project.find_or_create_worktree(path, true, cx)
2000                })
2001                .await
2002                .unwrap();
2003            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
2004                .await;
2005        }
2006        project
2007    }
2008
2009    #[cfg(feature = "test-support")]
2010    pub async fn test(
2011        fs: Arc<dyn Fs>,
2012        root_paths: impl IntoIterator<Item = &Path>,
2013        cx: &mut gpui::TestAppContext,
2014    ) -> Entity<Project> {
2015        Self::test_project(fs, root_paths, false, cx).await
2016    }
2017
2018    #[cfg(feature = "test-support")]
2019    pub async fn test_with_worktree_trust(
2020        fs: Arc<dyn Fs>,
2021        root_paths: impl IntoIterator<Item = &Path>,
2022        cx: &mut gpui::TestAppContext,
2023    ) -> Entity<Project> {
2024        Self::test_project(fs, root_paths, true, cx).await
2025    }
2026
2027    #[cfg(feature = "test-support")]
2028    async fn test_project(
2029        fs: Arc<dyn Fs>,
2030        root_paths: impl IntoIterator<Item = &Path>,
2031        init_worktree_trust: bool,
2032        cx: &mut gpui::TestAppContext,
2033    ) -> Entity<Project> {
2034        use clock::FakeSystemClock;
2035
2036        let languages = LanguageRegistry::test(cx.executor());
2037        let clock = Arc::new(FakeSystemClock::new());
2038        let http_client = http_client::FakeHttpClient::with_404_response();
2039        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
2040        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
2041        let project = cx.update(|cx| {
2042            Project::local(
2043                client,
2044                node_runtime::NodeRuntime::unavailable(),
2045                user_store,
2046                Arc::new(languages),
2047                fs,
2048                None,
2049                LocalProjectFlags {
2050                    init_worktree_trust,
2051                    ..Default::default()
2052                },
2053                cx,
2054            )
2055        });
2056        for path in root_paths {
2057            let (tree, _) = project
2058                .update(cx, |project, cx| {
2059                    project.find_or_create_worktree(path, true, cx)
2060                })
2061                .await
2062                .unwrap();
2063
2064            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
2065                .await;
2066        }
2067        project
2068    }
2069
2070    #[inline]
2071    pub fn dap_store(&self) -> Entity<DapStore> {
2072        self.dap_store.clone()
2073    }
2074
2075    #[inline]
2076    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
2077        self.breakpoint_store.clone()
2078    }
2079
2080    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
2081        let active_position = self.breakpoint_store.read(cx).active_position()?;
2082        let session = self
2083            .dap_store
2084            .read(cx)
2085            .session_by_id(active_position.session_id)?;
2086        Some((session, active_position.clone()))
2087    }
2088
2089    #[inline]
2090    pub fn lsp_store(&self) -> Entity<LspStore> {
2091        self.lsp_store.clone()
2092    }
2093
2094    #[inline]
2095    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
2096        self.worktree_store.clone()
2097    }
2098
2099    /// Returns a future that resolves when all visible worktrees have completed
2100    /// their initial scan.
2101    pub fn wait_for_initial_scan(&self, cx: &App) -> impl Future<Output = ()> + use<> {
2102        self.worktree_store.read(cx).wait_for_initial_scan()
2103    }
2104
2105    #[inline]
2106    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
2107        self.context_server_store.clone()
2108    }
2109
2110    #[inline]
2111    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
2112        self.buffer_store.read(cx).get(remote_id)
2113    }
2114
2115    #[inline]
2116    pub fn languages(&self) -> &Arc<LanguageRegistry> {
2117        &self.languages
2118    }
2119
2120    #[inline]
2121    pub fn client(&self) -> Arc<Client> {
2122        self.collab_client.clone()
2123    }
2124
2125    #[inline]
2126    pub fn remote_client(&self) -> Option<Entity<RemoteClient>> {
2127        self.remote_client.clone()
2128    }
2129
2130    #[inline]
2131    pub fn user_store(&self) -> Entity<UserStore> {
2132        self.user_store.clone()
2133    }
2134
2135    #[inline]
2136    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
2137        self.node.as_ref()
2138    }
2139
2140    #[inline]
2141    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
2142        self.buffer_store.read(cx).buffers().collect()
2143    }
2144
2145    #[inline]
2146    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
2147        &self.environment
2148    }
2149
2150    #[inline]
2151    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
2152        self.environment.read(cx).get_cli_environment()
2153    }
2154
2155    #[inline]
2156    pub fn peek_environment_error<'a>(&'a self, cx: &'a App) -> Option<&'a String> {
2157        self.environment.read(cx).peek_environment_error()
2158    }
2159
2160    #[inline]
2161    pub fn pop_environment_error(&mut self, cx: &mut Context<Self>) {
2162        self.environment.update(cx, |environment, _| {
2163            environment.pop_environment_error();
2164        });
2165    }
2166
2167    #[cfg(feature = "test-support")]
2168    #[inline]
2169    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
2170        self.buffer_store
2171            .read(cx)
2172            .get_by_path(&path.into())
2173            .is_some()
2174    }
2175
2176    #[inline]
2177    pub fn fs(&self) -> &Arc<dyn Fs> {
2178        &self.fs
2179    }
2180
2181    #[inline]
2182    pub fn remote_id(&self) -> Option<u64> {
2183        match self.client_state {
2184            ProjectClientState::Local => None,
2185            ProjectClientState::Shared { remote_id, .. }
2186            | ProjectClientState::Collab { remote_id, .. } => Some(remote_id),
2187        }
2188    }
2189
2190    #[inline]
2191    pub fn supports_terminal(&self, _cx: &App) -> bool {
2192        if self.is_local() {
2193            return true;
2194        }
2195        if self.is_via_remote_server() {
2196            return true;
2197        }
2198
2199        false
2200    }
2201
2202    #[inline]
2203    pub fn remote_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
2204        self.remote_client
2205            .as_ref()
2206            .map(|remote| remote.read(cx).connection_state())
2207    }
2208
2209    #[inline]
2210    pub fn remote_connection_options(&self, cx: &App) -> Option<RemoteConnectionOptions> {
2211        self.remote_client
2212            .as_ref()
2213            .map(|remote| remote.read(cx).connection_options())
2214    }
2215
2216    /// Reveals the given path in the system file manager.
2217    ///
2218    /// On Windows with a WSL remote connection, this converts the POSIX path
2219    /// to a Windows UNC path before revealing.
2220    pub fn reveal_path(&self, path: &Path, cx: &mut Context<Self>) {
2221        #[cfg(target_os = "windows")]
2222        if let Some(RemoteConnectionOptions::Wsl(wsl_options)) = self.remote_connection_options(cx)
2223        {
2224            let path = path.to_path_buf();
2225            cx.spawn(async move |_, cx| {
2226                wsl_path_to_windows_path(&wsl_options, &path)
2227                    .await
2228                    .map(|windows_path| cx.update(|cx| cx.reveal_path(&windows_path)))
2229            })
2230            .detach_and_log_err(cx);
2231            return;
2232        }
2233
2234        cx.reveal_path(path);
2235    }
2236
2237    #[inline]
2238    pub fn replica_id(&self) -> ReplicaId {
2239        match self.client_state {
2240            ProjectClientState::Collab { replica_id, .. } => replica_id,
2241            _ => {
2242                if self.remote_client.is_some() {
2243                    ReplicaId::REMOTE_SERVER
2244                } else {
2245                    ReplicaId::LOCAL
2246                }
2247            }
2248        }
2249    }
2250
2251    #[inline]
2252    pub fn task_store(&self) -> &Entity<TaskStore> {
2253        &self.task_store
2254    }
2255
2256    #[inline]
2257    pub fn snippets(&self) -> &Entity<SnippetProvider> {
2258        &self.snippets
2259    }
2260
2261    #[inline]
2262    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
2263        match kind {
2264            SearchInputKind::Query => &self.search_history,
2265            SearchInputKind::Include => &self.search_included_history,
2266            SearchInputKind::Exclude => &self.search_excluded_history,
2267        }
2268    }
2269
2270    #[inline]
2271    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
2272        match kind {
2273            SearchInputKind::Query => &mut self.search_history,
2274            SearchInputKind::Include => &mut self.search_included_history,
2275            SearchInputKind::Exclude => &mut self.search_excluded_history,
2276        }
2277    }
2278
2279    #[inline]
2280    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
2281        &self.collaborators
2282    }
2283
2284    #[inline]
2285    pub fn host(&self) -> Option<&Collaborator> {
2286        self.collaborators.values().find(|c| c.is_host)
2287    }
2288
2289    #[inline]
2290    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
2291        self.worktree_store.update(cx, |store, _| {
2292            store.set_worktrees_reordered(worktrees_reordered);
2293        });
2294    }
2295
2296    /// Collect all worktrees, including ones that don't appear in the project panel
2297    #[inline]
2298    pub fn worktrees<'a>(
2299        &self,
2300        cx: &'a App,
2301    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2302        self.worktree_store.read(cx).worktrees()
2303    }
2304
2305    /// Collect all user-visible worktrees, the ones that appear in the project panel.
2306    #[inline]
2307    pub fn visible_worktrees<'a>(
2308        &'a self,
2309        cx: &'a App,
2310    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2311        self.worktree_store.read(cx).visible_worktrees(cx)
2312    }
2313
2314    pub(crate) fn default_visible_worktree_paths(
2315        worktree_store: &WorktreeStore,
2316        cx: &App,
2317    ) -> Vec<PathBuf> {
2318        worktree_store
2319            .visible_worktrees(cx)
2320            .sorted_by(|left, right| {
2321                left.read(cx)
2322                    .is_single_file()
2323                    .cmp(&right.read(cx).is_single_file())
2324            })
2325            .filter_map(|worktree| {
2326                let worktree = worktree.read(cx);
2327                let path = worktree.abs_path();
2328                if worktree.is_single_file() {
2329                    Some(path.parent()?.to_path_buf())
2330                } else {
2331                    Some(path.to_path_buf())
2332                }
2333            })
2334            .collect()
2335    }
2336
2337    pub fn default_path_list(&self, cx: &App) -> PathList {
2338        let worktree_roots =
2339            Self::default_visible_worktree_paths(&self.worktree_store.read(cx), cx);
2340
2341        if worktree_roots.is_empty() {
2342            PathList::new(&[paths::home_dir().as_path()])
2343        } else {
2344            PathList::new(&worktree_roots)
2345        }
2346    }
2347
2348    #[inline]
2349    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
2350        self.visible_worktrees(cx)
2351            .find(|tree| tree.read(cx).root_name() == root_name)
2352    }
2353
2354    pub fn project_group_key(&self, cx: &App) -> ProjectGroupKey {
2355        let roots = self
2356            .visible_worktrees(cx)
2357            .map(|worktree| {
2358                let snapshot = worktree.read(cx).snapshot();
2359                snapshot
2360                    .root_repo_common_dir()
2361                    .and_then(|dir| Some(dir.parent()?.to_path_buf()))
2362                    .unwrap_or(snapshot.abs_path().to_path_buf())
2363            })
2364            .collect::<Vec<_>>();
2365        let host = self.remote_connection_options(cx);
2366        let path_list = PathList::new(&roots);
2367        ProjectGroupKey::new(host, path_list)
2368    }
2369
2370    #[inline]
2371    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2372        self.visible_worktrees(cx)
2373            .map(|tree| tree.read(cx).root_name().as_unix_str())
2374    }
2375
2376    #[inline]
2377    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2378        self.worktree_store.read(cx).worktree_for_id(id, cx)
2379    }
2380
2381    pub fn worktree_for_entry(
2382        &self,
2383        entry_id: ProjectEntryId,
2384        cx: &App,
2385    ) -> Option<Entity<Worktree>> {
2386        self.worktree_store
2387            .read(cx)
2388            .worktree_for_entry(entry_id, cx)
2389    }
2390
2391    #[inline]
2392    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2393        self.worktree_for_entry(entry_id, cx)
2394            .map(|worktree| worktree.read(cx).id())
2395    }
2396
2397    /// Checks if the entry is the root of a worktree.
2398    #[inline]
2399    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2400        self.worktree_for_entry(entry_id, cx)
2401            .map(|worktree| {
2402                worktree
2403                    .read(cx)
2404                    .root_entry()
2405                    .is_some_and(|e| e.id == entry_id)
2406            })
2407            .unwrap_or(false)
2408    }
2409
2410    #[inline]
2411    pub fn project_path_git_status(
2412        &self,
2413        project_path: &ProjectPath,
2414        cx: &App,
2415    ) -> Option<FileStatus> {
2416        self.git_store
2417            .read(cx)
2418            .project_path_git_status(project_path, cx)
2419    }
2420
2421    #[inline]
2422    pub fn visibility_for_paths(
2423        &self,
2424        paths: &[PathBuf],
2425        exclude_sub_dirs: bool,
2426        cx: &App,
2427    ) -> Option<bool> {
2428        paths
2429            .iter()
2430            .map(|path| self.visibility_for_path(path, exclude_sub_dirs, cx))
2431            .max()
2432            .flatten()
2433    }
2434
2435    pub fn visibility_for_path(
2436        &self,
2437        path: &Path,
2438        exclude_sub_dirs: bool,
2439        cx: &App,
2440    ) -> Option<bool> {
2441        let path = SanitizedPath::new(path).as_path();
2442        let path_style = self.path_style(cx);
2443        self.worktrees(cx)
2444            .filter_map(|worktree| {
2445                let worktree = worktree.read(cx);
2446                let abs_path = worktree.abs_path();
2447                let relative_path = path_style.strip_prefix(path, abs_path.as_ref());
2448                let is_dir = relative_path
2449                    .as_ref()
2450                    .and_then(|p| worktree.entry_for_path(p))
2451                    .is_some_and(|e| e.is_dir());
2452                // Don't exclude the worktree root itself, only actual subdirectories
2453                let is_subdir = relative_path
2454                    .as_ref()
2455                    .is_some_and(|p| !p.as_ref().as_unix_str().is_empty());
2456                let contains =
2457                    relative_path.is_some() && (!exclude_sub_dirs || !is_dir || !is_subdir);
2458                contains.then(|| worktree.is_visible())
2459            })
2460            .max()
2461    }
2462
2463    pub fn create_entry(
2464        &mut self,
2465        project_path: impl Into<ProjectPath>,
2466        is_directory: bool,
2467        cx: &mut Context<Self>,
2468    ) -> Task<Result<CreatedEntry>> {
2469        let project_path = project_path.into();
2470        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2471            return Task::ready(Err(anyhow!(format!(
2472                "No worktree for path {project_path:?}"
2473            ))));
2474        };
2475        worktree.update(cx, |worktree, cx| {
2476            worktree.create_entry(project_path.path, is_directory, None, cx)
2477        })
2478    }
2479
2480    #[inline]
2481    pub fn copy_entry(
2482        &mut self,
2483        entry_id: ProjectEntryId,
2484        new_project_path: ProjectPath,
2485        cx: &mut Context<Self>,
2486    ) -> Task<Result<Option<Entry>>> {
2487        self.worktree_store.update(cx, |worktree_store, cx| {
2488            worktree_store.copy_entry(entry_id, new_project_path, cx)
2489        })
2490    }
2491
2492    /// Renames the project entry with given `entry_id`.
2493    ///
2494    /// `new_path` is a relative path to worktree root.
2495    /// If root entry is renamed then its new root name is used instead.
2496    pub fn rename_entry(
2497        &mut self,
2498        entry_id: ProjectEntryId,
2499        new_path: ProjectPath,
2500        cx: &mut Context<Self>,
2501    ) -> Task<Result<CreatedEntry>> {
2502        let worktree_store = self.worktree_store.clone();
2503        let Some((worktree, old_path, is_dir)) = worktree_store
2504            .read(cx)
2505            .worktree_and_entry_for_id(entry_id, cx)
2506            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2507        else {
2508            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2509        };
2510
2511        let worktree_id = worktree.read(cx).id();
2512        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2513
2514        let lsp_store = self.lsp_store().downgrade();
2515        cx.spawn(async move |project, cx| {
2516            let (old_abs_path, new_abs_path) = {
2517                let root_path = worktree.read_with(cx, |this, _| this.abs_path());
2518                let new_abs_path = if is_root_entry {
2519                    root_path
2520                        .parent()
2521                        .unwrap()
2522                        .join(new_path.path.as_std_path())
2523                } else {
2524                    root_path.join(&new_path.path.as_std_path())
2525                };
2526                (root_path.join(old_path.as_std_path()), new_abs_path)
2527            };
2528            let transaction = LspStore::will_rename_entry(
2529                lsp_store.clone(),
2530                worktree_id,
2531                &old_abs_path,
2532                &new_abs_path,
2533                is_dir,
2534                cx.clone(),
2535            )
2536            .await;
2537
2538            let entry = worktree_store
2539                .update(cx, |worktree_store, cx| {
2540                    worktree_store.rename_entry(entry_id, new_path.clone(), cx)
2541                })
2542                .await?;
2543
2544            project
2545                .update(cx, |_, cx| {
2546                    cx.emit(Event::EntryRenamed(
2547                        transaction,
2548                        new_path.clone(),
2549                        new_abs_path.clone(),
2550                    ));
2551                })
2552                .ok();
2553
2554            lsp_store
2555                .read_with(cx, |this, _| {
2556                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2557                })
2558                .ok();
2559            Ok(entry)
2560        })
2561    }
2562
2563    #[inline]
2564    pub fn delete_file(
2565        &mut self,
2566        path: ProjectPath,
2567        trash: bool,
2568        cx: &mut Context<Self>,
2569    ) -> Option<Task<Result<Option<TrashedEntry>>>> {
2570        let entry = self.entry_for_path(&path, cx)?;
2571        self.delete_entry(entry.id, trash, cx)
2572    }
2573
2574    #[inline]
2575    pub fn delete_entry(
2576        &mut self,
2577        entry_id: ProjectEntryId,
2578        trash: bool,
2579        cx: &mut Context<Self>,
2580    ) -> Option<Task<Result<Option<TrashedEntry>>>> {
2581        let worktree = self.worktree_for_entry(entry_id, cx)?;
2582        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2583        worktree.update(cx, |worktree, cx| {
2584            worktree.delete_entry(entry_id, trash, cx)
2585        })
2586    }
2587
2588    #[inline]
2589    pub fn restore_entry(
2590        &self,
2591        worktree_id: WorktreeId,
2592        trash_entry: TrashedEntry,
2593        cx: &mut Context<'_, Self>,
2594    ) -> Task<Result<ProjectPath>> {
2595        let Some(worktree) = self.worktree_for_id(worktree_id, cx) else {
2596            return Task::ready(Err(anyhow!("No worktree for id {worktree_id:?}")));
2597        };
2598
2599        cx.spawn(async move |_, cx| {
2600            Worktree::restore_entry(trash_entry, worktree, cx)
2601                .await
2602                .map(|rel_path_buf| ProjectPath {
2603                    worktree_id: worktree_id,
2604                    path: Arc::from(rel_path_buf.as_rel_path()),
2605                })
2606        })
2607    }
2608
2609    #[inline]
2610    pub fn expand_entry(
2611        &mut self,
2612        worktree_id: WorktreeId,
2613        entry_id: ProjectEntryId,
2614        cx: &mut Context<Self>,
2615    ) -> Option<Task<Result<()>>> {
2616        let worktree = self.worktree_for_id(worktree_id, cx)?;
2617        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2618    }
2619
2620    pub fn expand_all_for_entry(
2621        &mut self,
2622        worktree_id: WorktreeId,
2623        entry_id: ProjectEntryId,
2624        cx: &mut Context<Self>,
2625    ) -> Option<Task<Result<()>>> {
2626        let worktree = self.worktree_for_id(worktree_id, cx)?;
2627        let task = worktree.update(cx, |worktree, cx| {
2628            worktree.expand_all_for_entry(entry_id, cx)
2629        });
2630        Some(cx.spawn(async move |this, cx| {
2631            task.context("no task")?.await?;
2632            this.update(cx, |_, cx| {
2633                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2634            })?;
2635            Ok(())
2636        }))
2637    }
2638
2639    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2640        anyhow::ensure!(
2641            matches!(self.client_state, ProjectClientState::Local),
2642            "project was already shared"
2643        );
2644
2645        self.client_subscriptions.extend([
2646            self.collab_client
2647                .subscribe_to_entity(project_id)?
2648                .set_entity(&cx.entity(), &cx.to_async()),
2649            self.collab_client
2650                .subscribe_to_entity(project_id)?
2651                .set_entity(&self.worktree_store, &cx.to_async()),
2652            self.collab_client
2653                .subscribe_to_entity(project_id)?
2654                .set_entity(&self.buffer_store, &cx.to_async()),
2655            self.collab_client
2656                .subscribe_to_entity(project_id)?
2657                .set_entity(&self.lsp_store, &cx.to_async()),
2658            self.collab_client
2659                .subscribe_to_entity(project_id)?
2660                .set_entity(&self.settings_observer, &cx.to_async()),
2661            self.collab_client
2662                .subscribe_to_entity(project_id)?
2663                .set_entity(&self.dap_store, &cx.to_async()),
2664            self.collab_client
2665                .subscribe_to_entity(project_id)?
2666                .set_entity(&self.breakpoint_store, &cx.to_async()),
2667            self.collab_client
2668                .subscribe_to_entity(project_id)?
2669                .set_entity(&self.git_store, &cx.to_async()),
2670        ]);
2671
2672        self.buffer_store.update(cx, |buffer_store, cx| {
2673            buffer_store.shared(project_id, self.collab_client.clone().into(), cx)
2674        });
2675        self.worktree_store.update(cx, |worktree_store, cx| {
2676            worktree_store.shared(project_id, self.collab_client.clone().into(), cx);
2677        });
2678        self.lsp_store.update(cx, |lsp_store, cx| {
2679            lsp_store.shared(project_id, self.collab_client.clone().into(), cx)
2680        });
2681        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2682            breakpoint_store.shared(project_id, self.collab_client.clone().into())
2683        });
2684        self.dap_store.update(cx, |dap_store, cx| {
2685            dap_store.shared(project_id, self.collab_client.clone().into(), cx);
2686        });
2687        self.task_store.update(cx, |task_store, cx| {
2688            task_store.shared(project_id, self.collab_client.clone().into(), cx);
2689        });
2690        self.settings_observer.update(cx, |settings_observer, cx| {
2691            settings_observer.shared(project_id, self.collab_client.clone().into(), cx)
2692        });
2693        self.git_store.update(cx, |git_store, cx| {
2694            git_store.shared(project_id, self.collab_client.clone().into(), cx)
2695        });
2696
2697        self.client_state = ProjectClientState::Shared {
2698            remote_id: project_id,
2699        };
2700
2701        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2702        Ok(())
2703    }
2704
2705    pub fn reshared(
2706        &mut self,
2707        message: proto::ResharedProject,
2708        cx: &mut Context<Self>,
2709    ) -> Result<()> {
2710        self.buffer_store
2711            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2712        self.set_collaborators_from_proto(message.collaborators, cx)?;
2713
2714        self.worktree_store.update(cx, |worktree_store, cx| {
2715            worktree_store.send_project_updates(cx);
2716        });
2717        if let Some(remote_id) = self.remote_id() {
2718            self.git_store.update(cx, |git_store, cx| {
2719                git_store.shared(remote_id, self.collab_client.clone().into(), cx)
2720            });
2721        }
2722        cx.emit(Event::Reshared);
2723        Ok(())
2724    }
2725
2726    pub fn rejoined(
2727        &mut self,
2728        message: proto::RejoinedProject,
2729        message_id: u32,
2730        cx: &mut Context<Self>,
2731    ) -> Result<()> {
2732        cx.update_global::<SettingsStore, _>(|store, cx| {
2733            for worktree_metadata in &message.worktrees {
2734                store
2735                    .clear_local_settings(WorktreeId::from_proto(worktree_metadata.id), cx)
2736                    .log_err();
2737            }
2738        });
2739
2740        self.join_project_response_message_id = message_id;
2741        self.set_worktrees_from_proto(message.worktrees, cx)?;
2742        self.set_collaborators_from_proto(message.collaborators, cx)?;
2743
2744        let project = cx.weak_entity();
2745        self.lsp_store.update(cx, |lsp_store, cx| {
2746            lsp_store.set_language_server_statuses_from_proto(
2747                project,
2748                message.language_servers,
2749                message.language_server_capabilities,
2750                cx,
2751            )
2752        });
2753        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2754            .unwrap();
2755        cx.emit(Event::Rejoined);
2756        Ok(())
2757    }
2758
2759    #[inline]
2760    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2761        self.unshare_internal(cx)?;
2762        cx.emit(Event::RemoteIdChanged(None));
2763        Ok(())
2764    }
2765
2766    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2767        anyhow::ensure!(
2768            !self.is_via_collab(),
2769            "attempted to unshare a remote project"
2770        );
2771
2772        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2773            self.client_state = ProjectClientState::Local;
2774            self.collaborators.clear();
2775            self.client_subscriptions.clear();
2776            self.worktree_store.update(cx, |store, cx| {
2777                store.unshared(cx);
2778            });
2779            self.buffer_store.update(cx, |buffer_store, cx| {
2780                buffer_store.forget_shared_buffers();
2781                buffer_store.unshared(cx)
2782            });
2783            self.task_store.update(cx, |task_store, cx| {
2784                task_store.unshared(cx);
2785            });
2786            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2787                breakpoint_store.unshared(cx);
2788            });
2789            self.dap_store.update(cx, |dap_store, cx| {
2790                dap_store.unshared(cx);
2791            });
2792            self.settings_observer.update(cx, |settings_observer, cx| {
2793                settings_observer.unshared(cx);
2794            });
2795            self.git_store.update(cx, |git_store, cx| {
2796                git_store.unshared(cx);
2797            });
2798
2799            self.collab_client
2800                .send(proto::UnshareProject {
2801                    project_id: remote_id,
2802                })
2803                .ok();
2804            Ok(())
2805        } else {
2806            anyhow::bail!("attempted to unshare an unshared project");
2807        }
2808    }
2809
2810    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2811        if self.is_disconnected(cx) {
2812            return;
2813        }
2814        self.disconnected_from_host_internal(cx);
2815        cx.emit(Event::DisconnectedFromHost);
2816    }
2817
2818    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2819        let new_capability =
2820            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2821                Capability::ReadWrite
2822            } else {
2823                Capability::ReadOnly
2824            };
2825        if let ProjectClientState::Collab { capability, .. } = &mut self.client_state {
2826            if *capability == new_capability {
2827                return;
2828            }
2829
2830            *capability = new_capability;
2831            for buffer in self.opened_buffers(cx) {
2832                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2833            }
2834        }
2835    }
2836
2837    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2838        if let ProjectClientState::Collab {
2839            sharing_has_stopped,
2840            ..
2841        } = &mut self.client_state
2842        {
2843            *sharing_has_stopped = true;
2844            self.client_subscriptions.clear();
2845            self.collaborators.clear();
2846            self.worktree_store.update(cx, |store, cx| {
2847                store.disconnected_from_host(cx);
2848            });
2849            self.buffer_store.update(cx, |buffer_store, cx| {
2850                buffer_store.disconnected_from_host(cx)
2851            });
2852            self.lsp_store
2853                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2854        }
2855    }
2856
2857    #[inline]
2858    pub fn close(&mut self, cx: &mut Context<Self>) {
2859        cx.emit(Event::Closed);
2860    }
2861
2862    #[inline]
2863    pub fn is_disconnected(&self, cx: &App) -> bool {
2864        match &self.client_state {
2865            ProjectClientState::Collab {
2866                sharing_has_stopped,
2867                ..
2868            } => *sharing_has_stopped,
2869            ProjectClientState::Local if self.is_via_remote_server() => {
2870                self.remote_client_is_disconnected(cx)
2871            }
2872            _ => false,
2873        }
2874    }
2875
2876    #[inline]
2877    fn remote_client_is_disconnected(&self, cx: &App) -> bool {
2878        self.remote_client
2879            .as_ref()
2880            .map(|remote| remote.read(cx).is_disconnected())
2881            .unwrap_or(false)
2882    }
2883
2884    #[inline]
2885    pub fn capability(&self) -> Capability {
2886        match &self.client_state {
2887            ProjectClientState::Collab { capability, .. } => *capability,
2888            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2889        }
2890    }
2891
2892    #[inline]
2893    pub fn is_read_only(&self, cx: &App) -> bool {
2894        self.is_disconnected(cx) || !self.capability().editable()
2895    }
2896
2897    #[inline]
2898    pub fn is_local(&self) -> bool {
2899        match &self.client_state {
2900            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2901                self.remote_client.is_none()
2902            }
2903            ProjectClientState::Collab { .. } => false,
2904        }
2905    }
2906
2907    /// Whether this project is a remote server (not counting collab).
2908    #[inline]
2909    pub fn is_via_remote_server(&self) -> bool {
2910        match &self.client_state {
2911            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2912                self.remote_client.is_some()
2913            }
2914            ProjectClientState::Collab { .. } => false,
2915        }
2916    }
2917
2918    /// Whether this project is from collab (not counting remote servers).
2919    #[inline]
2920    pub fn is_via_collab(&self) -> bool {
2921        match &self.client_state {
2922            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2923            ProjectClientState::Collab { .. } => true,
2924        }
2925    }
2926
2927    /// `!self.is_local()`
2928    #[inline]
2929    pub fn is_remote(&self) -> bool {
2930        debug_assert_eq!(
2931            !self.is_local(),
2932            self.is_via_collab() || self.is_via_remote_server()
2933        );
2934        !self.is_local()
2935    }
2936
2937    #[inline]
2938    pub fn is_via_wsl_with_host_interop(&self, cx: &App) -> bool {
2939        match &self.client_state {
2940            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2941                matches!(
2942                    &self.remote_client, Some(remote_client)
2943                    if remote_client.read(cx).has_wsl_interop()
2944                )
2945            }
2946            _ => false,
2947        }
2948    }
2949
2950    pub fn disable_worktree_scanner(&mut self, cx: &mut Context<Self>) {
2951        self.worktree_store.update(cx, |worktree_store, _cx| {
2952            worktree_store.disable_scanner();
2953        });
2954    }
2955
2956    #[inline]
2957    pub fn create_buffer(
2958        &mut self,
2959        language: Option<Arc<Language>>,
2960        project_searchable: bool,
2961        cx: &mut Context<Self>,
2962    ) -> Task<Result<Entity<Buffer>>> {
2963        self.buffer_store.update(cx, |buffer_store, cx| {
2964            buffer_store.create_buffer(language, project_searchable, cx)
2965        })
2966    }
2967
2968    #[inline]
2969    pub fn create_local_buffer(
2970        &mut self,
2971        text: &str,
2972        language: Option<Arc<Language>>,
2973        project_searchable: bool,
2974        cx: &mut Context<Self>,
2975    ) -> Entity<Buffer> {
2976        if self.is_remote() {
2977            panic!("called create_local_buffer on a remote project")
2978        }
2979        self.buffer_store.update(cx, |buffer_store, cx| {
2980            buffer_store.create_local_buffer(text, language, project_searchable, cx)
2981        })
2982    }
2983
2984    pub fn open_path(
2985        &mut self,
2986        path: ProjectPath,
2987        cx: &mut Context<Self>,
2988    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2989        let task = self.open_buffer(path, cx);
2990        cx.spawn(async move |_project, cx| {
2991            let buffer = task.await?;
2992            let project_entry_id = buffer.read_with(cx, |buffer, _cx| {
2993                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id())
2994            });
2995
2996            Ok((project_entry_id, buffer))
2997        })
2998    }
2999
3000    pub fn open_local_buffer(
3001        &mut self,
3002        abs_path: impl AsRef<Path>,
3003        cx: &mut Context<Self>,
3004    ) -> Task<Result<Entity<Buffer>>> {
3005        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
3006        cx.spawn(async move |this, cx| {
3007            let (worktree, relative_path) = worktree_task.await?;
3008            this.update(cx, |this, cx| {
3009                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
3010            })?
3011            .await
3012        })
3013    }
3014
3015    #[cfg(feature = "test-support")]
3016    pub fn open_local_buffer_with_lsp(
3017        &mut self,
3018        abs_path: impl AsRef<Path>,
3019        cx: &mut Context<Self>,
3020    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
3021        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
3022            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
3023        } else {
3024            Task::ready(Err(anyhow!("no such path")))
3025        }
3026    }
3027
3028    pub fn download_file(
3029        &mut self,
3030        worktree_id: WorktreeId,
3031        path: Arc<RelPath>,
3032        destination_path: PathBuf,
3033        cx: &mut Context<Self>,
3034    ) -> Task<Result<()>> {
3035        log::debug!(
3036            "download_file called: worktree_id={:?}, path={:?}, destination={:?}",
3037            worktree_id,
3038            path,
3039            destination_path
3040        );
3041
3042        let Some(remote_client) = &self.remote_client else {
3043            log::error!("download_file: not a remote project");
3044            return Task::ready(Err(anyhow!("not a remote project")));
3045        };
3046
3047        let proto_client = remote_client.read(cx).proto_client();
3048        // For SSH remote projects, use REMOTE_SERVER_PROJECT_ID instead of remote_id()
3049        // because SSH projects have client_state: Local but still need to communicate with remote server
3050        let project_id = self.remote_id().unwrap_or(REMOTE_SERVER_PROJECT_ID);
3051        let downloading_files = self.downloading_files.clone();
3052        let path_str = path.to_proto();
3053
3054        static NEXT_FILE_ID: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(1);
3055        let file_id = NEXT_FILE_ID.fetch_add(1, std::sync::atomic::Ordering::SeqCst);
3056
3057        // Register BEFORE sending request to avoid race condition
3058        let key = (worktree_id, path_str.clone());
3059        log::debug!(
3060            "download_file: pre-registering download with key={:?}, file_id={}",
3061            key,
3062            file_id
3063        );
3064        downloading_files.lock().insert(
3065            key,
3066            DownloadingFile {
3067                destination_path: destination_path,
3068                chunks: Vec::new(),
3069                total_size: 0,
3070                file_id: Some(file_id),
3071            },
3072        );
3073        log::debug!(
3074            "download_file: sending DownloadFileByPath request, path_str={}",
3075            path_str
3076        );
3077
3078        cx.spawn(async move |_this, _cx| {
3079            log::debug!("download_file: sending request with file_id={}...", file_id);
3080            let response = proto_client
3081                .request(proto::DownloadFileByPath {
3082                    project_id,
3083                    worktree_id: worktree_id.to_proto(),
3084                    path: path_str.clone(),
3085                    file_id,
3086                })
3087                .await?;
3088
3089            log::debug!("download_file: got response, file_id={}", response.file_id);
3090            // The file_id is set from the State message, we just confirm the request succeeded
3091            Ok(())
3092        })
3093    }
3094
3095    #[ztracing::instrument(skip_all)]
3096    pub fn open_buffer(
3097        &mut self,
3098        path: impl Into<ProjectPath>,
3099        cx: &mut App,
3100    ) -> Task<Result<Entity<Buffer>>> {
3101        if self.is_disconnected(cx) {
3102            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3103        }
3104
3105        self.buffer_store.update(cx, |buffer_store, cx| {
3106            buffer_store.open_buffer(path.into(), cx)
3107        })
3108    }
3109
3110    #[cfg(feature = "test-support")]
3111    pub fn open_buffer_with_lsp(
3112        &mut self,
3113        path: impl Into<ProjectPath>,
3114        cx: &mut Context<Self>,
3115    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
3116        let buffer = self.open_buffer(path, cx);
3117        cx.spawn(async move |this, cx| {
3118            let buffer = buffer.await?;
3119            let handle = this.update(cx, |project, cx| {
3120                project.register_buffer_with_language_servers(&buffer, cx)
3121            })?;
3122            Ok((buffer, handle))
3123        })
3124    }
3125
3126    pub fn register_buffer_with_language_servers(
3127        &self,
3128        buffer: &Entity<Buffer>,
3129        cx: &mut App,
3130    ) -> OpenLspBufferHandle {
3131        self.lsp_store.update(cx, |lsp_store, cx| {
3132            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
3133        })
3134    }
3135
3136    pub fn open_unstaged_diff(
3137        &mut self,
3138        buffer: Entity<Buffer>,
3139        cx: &mut Context<Self>,
3140    ) -> Task<Result<Entity<BufferDiff>>> {
3141        if self.is_disconnected(cx) {
3142            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3143        }
3144        self.git_store
3145            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
3146    }
3147
3148    #[ztracing::instrument(skip_all)]
3149    pub fn open_uncommitted_diff(
3150        &mut self,
3151        buffer: Entity<Buffer>,
3152        cx: &mut Context<Self>,
3153    ) -> Task<Result<Entity<BufferDiff>>> {
3154        if self.is_disconnected(cx) {
3155            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3156        }
3157        self.git_store.update(cx, |git_store, cx| {
3158            git_store.open_uncommitted_diff(buffer, cx)
3159        })
3160    }
3161
3162    pub fn open_buffer_by_id(
3163        &mut self,
3164        id: BufferId,
3165        cx: &mut Context<Self>,
3166    ) -> Task<Result<Entity<Buffer>>> {
3167        if let Some(buffer) = self.buffer_for_id(id, cx) {
3168            Task::ready(Ok(buffer))
3169        } else if self.is_local() || self.is_via_remote_server() {
3170            Task::ready(Err(anyhow!("buffer {id} does not exist")))
3171        } else if let Some(project_id) = self.remote_id() {
3172            let request = self.collab_client.request(proto::OpenBufferById {
3173                project_id,
3174                id: id.into(),
3175            });
3176            cx.spawn(async move |project, cx| {
3177                let buffer_id = BufferId::new(request.await?.buffer_id)?;
3178                project
3179                    .update(cx, |project, cx| {
3180                        project.buffer_store.update(cx, |buffer_store, cx| {
3181                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
3182                        })
3183                    })?
3184                    .await
3185            })
3186        } else {
3187            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
3188        }
3189    }
3190
3191    pub fn save_buffers(
3192        &self,
3193        buffers: HashSet<Entity<Buffer>>,
3194        cx: &mut Context<Self>,
3195    ) -> Task<Result<()>> {
3196        cx.spawn(async move |this, cx| {
3197            let save_tasks = buffers.into_iter().filter_map(|buffer| {
3198                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
3199                    .ok()
3200            });
3201            try_join_all(save_tasks).await?;
3202            Ok(())
3203        })
3204    }
3205
3206    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
3207        self.buffer_store
3208            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
3209    }
3210
3211    pub fn save_buffer_as(
3212        &mut self,
3213        buffer: Entity<Buffer>,
3214        path: ProjectPath,
3215        cx: &mut Context<Self>,
3216    ) -> Task<Result<()>> {
3217        self.buffer_store.update(cx, |buffer_store, cx| {
3218            buffer_store.save_buffer_as(buffer.clone(), path, cx)
3219        })
3220    }
3221
3222    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
3223        self.buffer_store.read(cx).get_by_path(path)
3224    }
3225
3226    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
3227        {
3228            let mut remotely_created_models = self.remotely_created_models.lock();
3229            if remotely_created_models.retain_count > 0 {
3230                remotely_created_models.buffers.push(buffer.clone())
3231            }
3232        }
3233
3234        self.request_buffer_diff_recalculation(buffer, cx);
3235
3236        cx.subscribe(buffer, |this, buffer, event, cx| {
3237            this.on_buffer_event(buffer, event, cx);
3238        })
3239        .detach();
3240
3241        Ok(())
3242    }
3243
3244    pub fn open_image(
3245        &mut self,
3246        path: impl Into<ProjectPath>,
3247        cx: &mut Context<Self>,
3248    ) -> Task<Result<Entity<ImageItem>>> {
3249        if self.is_disconnected(cx) {
3250            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3251        }
3252
3253        let open_image_task = self.image_store.update(cx, |image_store, cx| {
3254            image_store.open_image(path.into(), cx)
3255        });
3256
3257        let weak_project = cx.entity().downgrade();
3258        cx.spawn(async move |_, cx| {
3259            let image_item = open_image_task.await?;
3260
3261            // Check if metadata already exists (e.g., for remote images)
3262            let needs_metadata =
3263                cx.read_entity(&image_item, |item, _| item.image_metadata.is_none());
3264
3265            if needs_metadata {
3266                let project = weak_project.upgrade().context("Project dropped")?;
3267                let metadata =
3268                    ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
3269                image_item.update(cx, |image_item, cx| {
3270                    image_item.image_metadata = Some(metadata);
3271                    cx.emit(ImageItemEvent::MetadataUpdated);
3272                });
3273            }
3274
3275            Ok(image_item)
3276        })
3277    }
3278
3279    async fn send_buffer_ordered_messages(
3280        project: WeakEntity<Self>,
3281        rx: UnboundedReceiver<BufferOrderedMessage>,
3282        cx: &mut AsyncApp,
3283    ) -> Result<()> {
3284        const MAX_BATCH_SIZE: usize = 128;
3285
3286        let mut operations_by_buffer_id = HashMap::default();
3287        async fn flush_operations(
3288            this: &WeakEntity<Project>,
3289            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
3290            needs_resync_with_host: &mut bool,
3291            is_local: bool,
3292            cx: &mut AsyncApp,
3293        ) -> Result<()> {
3294            for (buffer_id, operations) in operations_by_buffer_id.drain() {
3295                let request = this.read_with(cx, |this, _| {
3296                    let project_id = this.remote_id()?;
3297                    Some(this.collab_client.request(proto::UpdateBuffer {
3298                        buffer_id: buffer_id.into(),
3299                        project_id,
3300                        operations,
3301                    }))
3302                })?;
3303                if let Some(request) = request
3304                    && request.await.is_err()
3305                    && !is_local
3306                {
3307                    *needs_resync_with_host = true;
3308                    break;
3309                }
3310            }
3311            Ok(())
3312        }
3313
3314        let mut needs_resync_with_host = false;
3315        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
3316
3317        while let Some(changes) = changes.next().await {
3318            let is_local = project.read_with(cx, |this, _| this.is_local())?;
3319
3320            for change in changes {
3321                match change {
3322                    BufferOrderedMessage::Operation {
3323                        buffer_id,
3324                        operation,
3325                    } => {
3326                        if needs_resync_with_host {
3327                            continue;
3328                        }
3329
3330                        operations_by_buffer_id
3331                            .entry(buffer_id)
3332                            .or_insert(Vec::new())
3333                            .push(operation);
3334                    }
3335
3336                    BufferOrderedMessage::Resync => {
3337                        operations_by_buffer_id.clear();
3338                        if project
3339                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
3340                            .await
3341                            .is_ok()
3342                        {
3343                            needs_resync_with_host = false;
3344                        }
3345                    }
3346
3347                    BufferOrderedMessage::LanguageServerUpdate {
3348                        language_server_id,
3349                        message,
3350                        name,
3351                    } => {
3352                        flush_operations(
3353                            &project,
3354                            &mut operations_by_buffer_id,
3355                            &mut needs_resync_with_host,
3356                            is_local,
3357                            cx,
3358                        )
3359                        .await?;
3360
3361                        project.read_with(cx, |project, _| {
3362                            if let Some(project_id) = project.remote_id() {
3363                                project
3364                                    .collab_client
3365                                    .send(proto::UpdateLanguageServer {
3366                                        project_id,
3367                                        server_name: name.map(|name| String::from(name.0)),
3368                                        language_server_id: language_server_id.to_proto(),
3369                                        variant: Some(message),
3370                                    })
3371                                    .log_err();
3372                            }
3373                        })?;
3374                    }
3375                }
3376            }
3377
3378            flush_operations(
3379                &project,
3380                &mut operations_by_buffer_id,
3381                &mut needs_resync_with_host,
3382                is_local,
3383                cx,
3384            )
3385            .await?;
3386        }
3387
3388        Ok(())
3389    }
3390
3391    fn on_buffer_store_event(
3392        &mut self,
3393        _: Entity<BufferStore>,
3394        event: &BufferStoreEvent,
3395        cx: &mut Context<Self>,
3396    ) {
3397        match event {
3398            BufferStoreEvent::BufferAdded(buffer) => {
3399                self.register_buffer(buffer, cx).log_err();
3400            }
3401            BufferStoreEvent::BufferDropped(buffer_id) => {
3402                if let Some(ref remote_client) = self.remote_client {
3403                    remote_client
3404                        .read(cx)
3405                        .proto_client()
3406                        .send(proto::CloseBuffer {
3407                            project_id: 0,
3408                            buffer_id: buffer_id.to_proto(),
3409                        })
3410                        .log_err();
3411                }
3412            }
3413            _ => {}
3414        }
3415    }
3416
3417    fn on_image_store_event(
3418        &mut self,
3419        _: Entity<ImageStore>,
3420        event: &ImageStoreEvent,
3421        cx: &mut Context<Self>,
3422    ) {
3423        match event {
3424            ImageStoreEvent::ImageAdded(image) => {
3425                cx.subscribe(image, |this, image, event, cx| {
3426                    this.on_image_event(image, event, cx);
3427                })
3428                .detach();
3429            }
3430        }
3431    }
3432
3433    fn on_dap_store_event(
3434        &mut self,
3435        _: Entity<DapStore>,
3436        event: &DapStoreEvent,
3437        cx: &mut Context<Self>,
3438    ) {
3439        if let DapStoreEvent::Notification(message) = event {
3440            cx.emit(Event::Toast {
3441                notification_id: "dap".into(),
3442                message: message.clone(),
3443                link: None,
3444            });
3445        }
3446    }
3447
3448    fn on_lsp_store_event(
3449        &mut self,
3450        _: Entity<LspStore>,
3451        event: &LspStoreEvent,
3452        cx: &mut Context<Self>,
3453    ) {
3454        match event {
3455            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
3456                cx.emit(Event::DiagnosticsUpdated {
3457                    paths: paths.clone(),
3458                    language_server_id: *server_id,
3459                })
3460            }
3461            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
3462                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
3463            ),
3464            LspStoreEvent::LanguageServerRemoved(server_id) => {
3465                cx.emit(Event::LanguageServerRemoved(*server_id))
3466            }
3467            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
3468                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
3469            ),
3470            LspStoreEvent::LanguageDetected {
3471                buffer,
3472                new_language,
3473            } => {
3474                let Some(_) = new_language else {
3475                    cx.emit(Event::LanguageNotFound(buffer.clone()));
3476                    return;
3477                };
3478            }
3479            LspStoreEvent::RefreshInlayHints {
3480                server_id,
3481                request_id,
3482            } => cx.emit(Event::RefreshInlayHints {
3483                server_id: *server_id,
3484                request_id: *request_id,
3485            }),
3486            LspStoreEvent::RefreshSemanticTokens {
3487                server_id,
3488                request_id,
3489            } => cx.emit(Event::RefreshSemanticTokens {
3490                server_id: *server_id,
3491                request_id: *request_id,
3492            }),
3493            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
3494            LspStoreEvent::LanguageServerPrompt(prompt) => {
3495                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
3496            }
3497            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
3498                cx.emit(Event::DiskBasedDiagnosticsStarted {
3499                    language_server_id: *language_server_id,
3500                });
3501            }
3502            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
3503                cx.emit(Event::DiskBasedDiagnosticsFinished {
3504                    language_server_id: *language_server_id,
3505                });
3506            }
3507            LspStoreEvent::LanguageServerUpdate {
3508                language_server_id,
3509                name,
3510                message,
3511            } => {
3512                if self.is_local() {
3513                    self.enqueue_buffer_ordered_message(
3514                        BufferOrderedMessage::LanguageServerUpdate {
3515                            language_server_id: *language_server_id,
3516                            message: message.clone(),
3517                            name: name.clone(),
3518                        },
3519                    )
3520                    .ok();
3521                }
3522
3523                match message {
3524                    proto::update_language_server::Variant::MetadataUpdated(update) => {
3525                        self.lsp_store.update(cx, |lsp_store, _| {
3526                            if let Some(capabilities) = update
3527                                .capabilities
3528                                .as_ref()
3529                                .and_then(|capabilities| serde_json::from_str(capabilities).ok())
3530                            {
3531                                lsp_store
3532                                    .lsp_server_capabilities
3533                                    .insert(*language_server_id, capabilities);
3534                            }
3535
3536                            if let Some(language_server_status) = lsp_store
3537                                .language_server_statuses
3538                                .get_mut(language_server_id)
3539                            {
3540                                if let Some(binary) = &update.binary {
3541                                    language_server_status.binary = Some(LanguageServerBinary {
3542                                        path: PathBuf::from(&binary.path),
3543                                        arguments: binary
3544                                            .arguments
3545                                            .iter()
3546                                            .map(OsString::from)
3547                                            .collect(),
3548                                        env: None,
3549                                    });
3550                                }
3551
3552                                language_server_status.configuration = update
3553                                    .configuration
3554                                    .as_ref()
3555                                    .and_then(|config_str| serde_json::from_str(config_str).ok());
3556
3557                                language_server_status.workspace_folders = update
3558                                    .workspace_folders
3559                                    .iter()
3560                                    .filter_map(|uri_str| lsp::Uri::from_str(uri_str).ok())
3561                                    .collect();
3562                            }
3563                        });
3564                    }
3565                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
3566                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
3567                            cx.emit(Event::LanguageServerBufferRegistered {
3568                                buffer_id,
3569                                server_id: *language_server_id,
3570                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
3571                                name: name.clone(),
3572                            });
3573                        }
3574                    }
3575                    _ => (),
3576                }
3577            }
3578            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
3579                notification_id: "lsp".into(),
3580                message: message.clone(),
3581                link: None,
3582            }),
3583            LspStoreEvent::SnippetEdit {
3584                buffer_id,
3585                edits,
3586                most_recent_edit,
3587            } => {
3588                if most_recent_edit.replica_id == self.replica_id() {
3589                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3590                }
3591            }
3592            LspStoreEvent::WorkspaceEditApplied(transaction) => {
3593                cx.emit(Event::WorkspaceEditApplied(transaction.clone()))
3594            }
3595        }
3596    }
3597
3598    fn on_remote_client_event(
3599        &mut self,
3600        _: Entity<RemoteClient>,
3601        event: &remote::RemoteClientEvent,
3602        cx: &mut Context<Self>,
3603    ) {
3604        match event {
3605            &remote::RemoteClientEvent::Disconnected { server_not_running } => {
3606                self.worktree_store.update(cx, |store, cx| {
3607                    store.disconnected_from_host(cx);
3608                });
3609                self.buffer_store.update(cx, |buffer_store, cx| {
3610                    buffer_store.disconnected_from_host(cx)
3611                });
3612                self.lsp_store.update(cx, |lsp_store, _cx| {
3613                    lsp_store.disconnected_from_ssh_remote()
3614                });
3615                cx.emit(Event::DisconnectedFromRemote { server_not_running });
3616            }
3617        }
3618    }
3619
3620    fn on_settings_observer_event(
3621        &mut self,
3622        _: Entity<SettingsObserver>,
3623        event: &SettingsObserverEvent,
3624        cx: &mut Context<Self>,
3625    ) {
3626        match event {
3627            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3628                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3629                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3630                    cx.emit(Event::Toast {
3631                        notification_id: format!("local-settings-{path:?}").into(),
3632                        link: None,
3633                        message,
3634                    });
3635                }
3636                Ok(path) => cx.emit(Event::HideToast {
3637                    notification_id: format!("local-settings-{path:?}").into(),
3638                }),
3639                Err(_) => {}
3640            },
3641            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3642                Err(InvalidSettingsError::Tasks { message, path }) => {
3643                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3644                    cx.emit(Event::Toast {
3645                        notification_id: format!("local-tasks-{path:?}").into(),
3646                        link: Some(ToastLink {
3647                            label: "Open Tasks Documentation",
3648                            url: "https://zed.dev/docs/tasks",
3649                        }),
3650                        message,
3651                    });
3652                }
3653                Ok(path) => cx.emit(Event::HideToast {
3654                    notification_id: format!("local-tasks-{path:?}").into(),
3655                }),
3656                Err(_) => {}
3657            },
3658            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3659                Err(InvalidSettingsError::Debug { message, path }) => {
3660                    let message =
3661                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3662                    cx.emit(Event::Toast {
3663                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3664                        link: None,
3665                        message,
3666                    });
3667                }
3668                Ok(path) => cx.emit(Event::HideToast {
3669                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3670                }),
3671                Err(_) => {}
3672            },
3673        }
3674    }
3675
3676    fn on_worktree_store_event(
3677        &mut self,
3678        _: Entity<WorktreeStore>,
3679        event: &WorktreeStoreEvent,
3680        cx: &mut Context<Self>,
3681    ) {
3682        match event {
3683            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3684                self.on_worktree_added(worktree, cx);
3685                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3686            }
3687            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3688                cx.emit(Event::WorktreeRemoved(*id));
3689            }
3690            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3691                self.on_worktree_released(*id, cx);
3692            }
3693            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3694            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3695            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3696                self.client()
3697                    .telemetry()
3698                    .report_discovered_project_type_events(*worktree_id, changes);
3699                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3700            }
3701            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3702                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3703            }
3704            // Listen to the GitStore instead.
3705            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3706            WorktreeStoreEvent::WorktreeUpdatedRootRepoCommonDir(worktree_id) => {
3707                cx.emit(Event::WorktreeUpdatedRootRepoCommonDir(*worktree_id));
3708            }
3709        }
3710    }
3711
3712    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3713        let mut remotely_created_models = self.remotely_created_models.lock();
3714        if remotely_created_models.retain_count > 0 {
3715            remotely_created_models.worktrees.push(worktree.clone())
3716        }
3717    }
3718
3719    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3720        if let Some(remote) = &self.remote_client {
3721            remote
3722                .read(cx)
3723                .proto_client()
3724                .send(proto::RemoveWorktree {
3725                    worktree_id: id_to_remove.to_proto(),
3726                })
3727                .log_err();
3728        }
3729    }
3730
3731    fn on_buffer_event(
3732        &mut self,
3733        buffer: Entity<Buffer>,
3734        event: &BufferEvent,
3735        cx: &mut Context<Self>,
3736    ) -> Option<()> {
3737        if matches!(event, BufferEvent::Edited { .. } | BufferEvent::Reloaded) {
3738            self.request_buffer_diff_recalculation(&buffer, cx);
3739        }
3740
3741        if matches!(event, BufferEvent::Edited { .. }) {
3742            cx.emit(Event::BufferEdited);
3743        }
3744
3745        let buffer_id = buffer.read(cx).remote_id();
3746        match event {
3747            BufferEvent::ReloadNeeded => {
3748                if !self.is_via_collab() {
3749                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3750                        .detach_and_log_err(cx);
3751                }
3752            }
3753            BufferEvent::Operation {
3754                operation,
3755                is_local: true,
3756            } => {
3757                let operation = language::proto::serialize_operation(operation);
3758
3759                if let Some(remote) = &self.remote_client {
3760                    remote
3761                        .read(cx)
3762                        .proto_client()
3763                        .send(proto::UpdateBuffer {
3764                            project_id: 0,
3765                            buffer_id: buffer_id.to_proto(),
3766                            operations: vec![operation.clone()],
3767                        })
3768                        .ok();
3769                }
3770
3771                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3772                    buffer_id,
3773                    operation,
3774                })
3775                .ok();
3776            }
3777
3778            _ => {}
3779        }
3780
3781        None
3782    }
3783
3784    fn on_image_event(
3785        &mut self,
3786        image: Entity<ImageItem>,
3787        event: &ImageItemEvent,
3788        cx: &mut Context<Self>,
3789    ) -> Option<()> {
3790        // TODO: handle image events from remote
3791        if let ImageItemEvent::ReloadNeeded = event
3792            && !self.is_via_collab()
3793        {
3794            self.reload_images([image].into_iter().collect(), cx)
3795                .detach_and_log_err(cx);
3796        }
3797
3798        None
3799    }
3800
3801    fn request_buffer_diff_recalculation(
3802        &mut self,
3803        buffer: &Entity<Buffer>,
3804        cx: &mut Context<Self>,
3805    ) {
3806        self.buffers_needing_diff.insert(buffer.downgrade());
3807        let first_insertion = self.buffers_needing_diff.len() == 1;
3808        let settings = ProjectSettings::get_global(cx);
3809        let delay = settings.git.gutter_debounce;
3810
3811        if delay == 0 {
3812            if first_insertion {
3813                let this = cx.weak_entity();
3814                cx.defer(move |cx| {
3815                    if let Some(this) = this.upgrade() {
3816                        this.update(cx, |this, cx| {
3817                            this.recalculate_buffer_diffs(cx).detach();
3818                        });
3819                    }
3820                });
3821            }
3822            return;
3823        }
3824
3825        const MIN_DELAY: u64 = 50;
3826        let delay = delay.max(MIN_DELAY);
3827        let duration = Duration::from_millis(delay);
3828
3829        self.git_diff_debouncer
3830            .fire_new(duration, cx, move |this, cx| {
3831                this.recalculate_buffer_diffs(cx)
3832            });
3833    }
3834
3835    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3836        cx.spawn(async move |this, cx| {
3837            loop {
3838                let task = this
3839                    .update(cx, |this, cx| {
3840                        let buffers = this
3841                            .buffers_needing_diff
3842                            .drain()
3843                            .filter_map(|buffer| buffer.upgrade())
3844                            .collect::<Vec<_>>();
3845                        if buffers.is_empty() {
3846                            None
3847                        } else {
3848                            Some(this.git_store.update(cx, |git_store, cx| {
3849                                git_store.recalculate_buffer_diffs(buffers, cx)
3850                            }))
3851                        }
3852                    })
3853                    .ok()
3854                    .flatten();
3855
3856                if let Some(task) = task {
3857                    task.await;
3858                } else {
3859                    break;
3860                }
3861            }
3862        })
3863    }
3864
3865    pub fn set_language_for_buffer(
3866        &mut self,
3867        buffer: &Entity<Buffer>,
3868        new_language: Arc<Language>,
3869        cx: &mut Context<Self>,
3870    ) {
3871        self.lsp_store.update(cx, |lsp_store, cx| {
3872            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3873        })
3874    }
3875
3876    pub fn restart_language_servers_for_buffers(
3877        &mut self,
3878        buffers: Vec<Entity<Buffer>>,
3879        only_restart_servers: HashSet<LanguageServerSelector>,
3880        cx: &mut Context<Self>,
3881    ) {
3882        self.lsp_store.update(cx, |lsp_store, cx| {
3883            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3884        })
3885    }
3886
3887    pub fn stop_language_servers_for_buffers(
3888        &mut self,
3889        buffers: Vec<Entity<Buffer>>,
3890        also_restart_servers: HashSet<LanguageServerSelector>,
3891        cx: &mut Context<Self>,
3892    ) {
3893        self.lsp_store
3894            .update(cx, |lsp_store, cx| {
3895                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3896            })
3897            .detach_and_log_err(cx);
3898    }
3899
3900    pub fn cancel_language_server_work_for_buffers(
3901        &mut self,
3902        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3903        cx: &mut Context<Self>,
3904    ) {
3905        self.lsp_store.update(cx, |lsp_store, cx| {
3906            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3907        })
3908    }
3909
3910    pub fn cancel_language_server_work(
3911        &mut self,
3912        server_id: LanguageServerId,
3913        token_to_cancel: Option<ProgressToken>,
3914        cx: &mut Context<Self>,
3915    ) {
3916        self.lsp_store.update(cx, |lsp_store, cx| {
3917            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3918        })
3919    }
3920
3921    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3922        self.buffer_ordered_messages_tx
3923            .unbounded_send(message)
3924            .map_err(|e| anyhow!(e))
3925    }
3926
3927    pub fn available_toolchains(
3928        &self,
3929        path: ProjectPath,
3930        language_name: LanguageName,
3931        cx: &App,
3932    ) -> Task<Option<Toolchains>> {
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| this.list_toolchains(path, language_name, cx))
3937                    .ok()?
3938                    .await
3939            })
3940        } else {
3941            Task::ready(None)
3942        }
3943    }
3944
3945    pub async fn toolchain_metadata(
3946        languages: Arc<LanguageRegistry>,
3947        language_name: LanguageName,
3948    ) -> Option<ToolchainMetadata> {
3949        languages
3950            .language_for_name(language_name.as_ref())
3951            .await
3952            .ok()?
3953            .toolchain_lister()
3954            .map(|lister| lister.meta())
3955    }
3956
3957    pub fn add_toolchain(
3958        &self,
3959        toolchain: Toolchain,
3960        scope: ToolchainScope,
3961        cx: &mut Context<Self>,
3962    ) {
3963        maybe!({
3964            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3965                this.add_toolchain(toolchain, scope, cx);
3966            });
3967            Some(())
3968        });
3969    }
3970
3971    pub fn remove_toolchain(
3972        &self,
3973        toolchain: Toolchain,
3974        scope: ToolchainScope,
3975        cx: &mut Context<Self>,
3976    ) {
3977        maybe!({
3978            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3979                this.remove_toolchain(toolchain, scope, cx);
3980            });
3981            Some(())
3982        });
3983    }
3984
3985    pub fn user_toolchains(
3986        &self,
3987        cx: &App,
3988    ) -> Option<BTreeMap<ToolchainScope, IndexSet<Toolchain>>> {
3989        Some(self.toolchain_store.as_ref()?.read(cx).user_toolchains())
3990    }
3991
3992    pub fn resolve_toolchain(
3993        &self,
3994        path: PathBuf,
3995        language_name: LanguageName,
3996        cx: &App,
3997    ) -> Task<Result<Toolchain>> {
3998        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3999            cx.spawn(async move |cx| {
4000                toolchain_store
4001                    .update(cx, |this, cx| {
4002                        this.resolve_toolchain(path, language_name, cx)
4003                    })?
4004                    .await
4005            })
4006        } else {
4007            Task::ready(Err(anyhow!("This project does not support toolchains")))
4008        }
4009    }
4010
4011    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
4012        self.toolchain_store.clone()
4013    }
4014    pub fn activate_toolchain(
4015        &self,
4016        path: ProjectPath,
4017        toolchain: Toolchain,
4018        cx: &mut App,
4019    ) -> Task<Option<()>> {
4020        let Some(toolchain_store) = self.toolchain_store.clone() else {
4021            return Task::ready(None);
4022        };
4023        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
4024    }
4025    pub fn active_toolchain(
4026        &self,
4027        path: ProjectPath,
4028        language_name: LanguageName,
4029        cx: &App,
4030    ) -> Task<Option<Toolchain>> {
4031        let Some(toolchain_store) = self.toolchain_store.clone() else {
4032            return Task::ready(None);
4033        };
4034        toolchain_store
4035            .read(cx)
4036            .active_toolchain(path, language_name, cx)
4037    }
4038    pub fn language_server_statuses<'a>(
4039        &'a self,
4040        cx: &'a App,
4041    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
4042        self.lsp_store.read(cx).language_server_statuses()
4043    }
4044
4045    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
4046        self.lsp_store.read(cx).last_formatting_failure()
4047    }
4048
4049    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
4050        self.lsp_store
4051            .update(cx, |store, _| store.reset_last_formatting_failure());
4052    }
4053
4054    pub fn reload_buffers(
4055        &self,
4056        buffers: HashSet<Entity<Buffer>>,
4057        push_to_history: bool,
4058        cx: &mut Context<Self>,
4059    ) -> Task<Result<ProjectTransaction>> {
4060        self.buffer_store.update(cx, |buffer_store, cx| {
4061            buffer_store.reload_buffers(buffers, push_to_history, cx)
4062        })
4063    }
4064
4065    pub fn reload_images(
4066        &self,
4067        images: HashSet<Entity<ImageItem>>,
4068        cx: &mut Context<Self>,
4069    ) -> Task<Result<()>> {
4070        self.image_store
4071            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
4072    }
4073
4074    pub fn format(
4075        &mut self,
4076        buffers: HashSet<Entity<Buffer>>,
4077        target: LspFormatTarget,
4078        push_to_history: bool,
4079        trigger: lsp_store::FormatTrigger,
4080        cx: &mut Context<Project>,
4081    ) -> Task<anyhow::Result<ProjectTransaction>> {
4082        self.lsp_store.update(cx, |lsp_store, cx| {
4083            lsp_store.format(buffers, target, push_to_history, trigger, cx)
4084        })
4085    }
4086
4087    pub fn definitions<T: ToPointUtf16>(
4088        &mut self,
4089        buffer: &Entity<Buffer>,
4090        position: T,
4091        cx: &mut Context<Self>,
4092    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4093        let position = position.to_point_utf16(buffer.read(cx));
4094        let guard = self.retain_remotely_created_models(cx);
4095        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4096            lsp_store.definitions(buffer, position, cx)
4097        });
4098        cx.background_spawn(async move {
4099            let result = task.await;
4100            drop(guard);
4101            result
4102        })
4103    }
4104
4105    pub fn declarations<T: ToPointUtf16>(
4106        &mut self,
4107        buffer: &Entity<Buffer>,
4108        position: T,
4109        cx: &mut Context<Self>,
4110    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4111        let position = position.to_point_utf16(buffer.read(cx));
4112        let guard = self.retain_remotely_created_models(cx);
4113        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4114            lsp_store.declarations(buffer, position, cx)
4115        });
4116        cx.background_spawn(async move {
4117            let result = task.await;
4118            drop(guard);
4119            result
4120        })
4121    }
4122
4123    pub fn type_definitions<T: ToPointUtf16>(
4124        &mut self,
4125        buffer: &Entity<Buffer>,
4126        position: T,
4127        cx: &mut Context<Self>,
4128    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4129        let position = position.to_point_utf16(buffer.read(cx));
4130        let guard = self.retain_remotely_created_models(cx);
4131        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4132            lsp_store.type_definitions(buffer, position, cx)
4133        });
4134        cx.background_spawn(async move {
4135            let result = task.await;
4136            drop(guard);
4137            result
4138        })
4139    }
4140
4141    pub fn implementations<T: ToPointUtf16>(
4142        &mut self,
4143        buffer: &Entity<Buffer>,
4144        position: T,
4145        cx: &mut Context<Self>,
4146    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4147        let position = position.to_point_utf16(buffer.read(cx));
4148        let guard = self.retain_remotely_created_models(cx);
4149        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4150            lsp_store.implementations(buffer, position, cx)
4151        });
4152        cx.background_spawn(async move {
4153            let result = task.await;
4154            drop(guard);
4155            result
4156        })
4157    }
4158
4159    pub fn references<T: ToPointUtf16>(
4160        &mut self,
4161        buffer: &Entity<Buffer>,
4162        position: T,
4163        cx: &mut Context<Self>,
4164    ) -> Task<Result<Option<Vec<Location>>>> {
4165        let position = position.to_point_utf16(buffer.read(cx));
4166        let guard = self.retain_remotely_created_models(cx);
4167        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4168            lsp_store.references(buffer, position, cx)
4169        });
4170        cx.background_spawn(async move {
4171            let result = task.await;
4172            drop(guard);
4173            result
4174        })
4175    }
4176
4177    pub fn document_highlights<T: ToPointUtf16>(
4178        &mut self,
4179        buffer: &Entity<Buffer>,
4180        position: T,
4181        cx: &mut Context<Self>,
4182    ) -> Task<Result<Vec<DocumentHighlight>>> {
4183        let position = position.to_point_utf16(buffer.read(cx));
4184        self.request_lsp(
4185            buffer.clone(),
4186            LanguageServerToQuery::FirstCapable,
4187            GetDocumentHighlights { position },
4188            cx,
4189        )
4190    }
4191
4192    pub fn document_symbols(
4193        &mut self,
4194        buffer: &Entity<Buffer>,
4195        cx: &mut Context<Self>,
4196    ) -> Task<Result<Vec<DocumentSymbol>>> {
4197        self.request_lsp(
4198            buffer.clone(),
4199            LanguageServerToQuery::FirstCapable,
4200            GetDocumentSymbols,
4201            cx,
4202        )
4203    }
4204
4205    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
4206        self.lsp_store
4207            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
4208    }
4209
4210    pub fn open_buffer_for_symbol(
4211        &mut self,
4212        symbol: &Symbol,
4213        cx: &mut Context<Self>,
4214    ) -> Task<Result<Entity<Buffer>>> {
4215        self.lsp_store.update(cx, |lsp_store, cx| {
4216            lsp_store.open_buffer_for_symbol(symbol, cx)
4217        })
4218    }
4219
4220    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
4221        let guard = self.retain_remotely_created_models(cx);
4222        let Some(remote) = self.remote_client.as_ref() else {
4223            return Task::ready(Err(anyhow!("not an ssh project")));
4224        };
4225
4226        let proto_client = remote.read(cx).proto_client();
4227
4228        cx.spawn(async move |project, cx| {
4229            let buffer = proto_client
4230                .request(proto::OpenServerSettings {
4231                    project_id: REMOTE_SERVER_PROJECT_ID,
4232                })
4233                .await?;
4234
4235            let buffer = project
4236                .update(cx, |project, cx| {
4237                    project.buffer_store.update(cx, |buffer_store, cx| {
4238                        anyhow::Ok(
4239                            buffer_store
4240                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
4241                        )
4242                    })
4243                })??
4244                .await;
4245
4246            drop(guard);
4247            buffer
4248        })
4249    }
4250
4251    pub fn open_local_buffer_via_lsp(
4252        &mut self,
4253        abs_path: lsp::Uri,
4254        language_server_id: LanguageServerId,
4255        cx: &mut Context<Self>,
4256    ) -> Task<Result<Entity<Buffer>>> {
4257        self.lsp_store.update(cx, |lsp_store, cx| {
4258            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
4259        })
4260    }
4261
4262    pub fn hover<T: ToPointUtf16>(
4263        &self,
4264        buffer: &Entity<Buffer>,
4265        position: T,
4266        cx: &mut Context<Self>,
4267    ) -> Task<Option<Vec<Hover>>> {
4268        let position = position.to_point_utf16(buffer.read(cx));
4269        self.lsp_store
4270            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
4271    }
4272
4273    pub fn linked_edits(
4274        &self,
4275        buffer: &Entity<Buffer>,
4276        position: Anchor,
4277        cx: &mut Context<Self>,
4278    ) -> Task<Result<Vec<Range<Anchor>>>> {
4279        self.lsp_store.update(cx, |lsp_store, cx| {
4280            lsp_store.linked_edits(buffer, position, cx)
4281        })
4282    }
4283
4284    pub fn completions<T: ToOffset + ToPointUtf16>(
4285        &self,
4286        buffer: &Entity<Buffer>,
4287        position: T,
4288        context: CompletionContext,
4289        cx: &mut Context<Self>,
4290    ) -> Task<Result<Vec<CompletionResponse>>> {
4291        let position = position.to_point_utf16(buffer.read(cx));
4292        self.lsp_store.update(cx, |lsp_store, cx| {
4293            lsp_store.completions(buffer, position, context, cx)
4294        })
4295    }
4296
4297    pub fn code_actions<T: Clone + ToOffset>(
4298        &mut self,
4299        buffer_handle: &Entity<Buffer>,
4300        range: Range<T>,
4301        kinds: Option<Vec<CodeActionKind>>,
4302        cx: &mut Context<Self>,
4303    ) -> Task<Result<Option<Vec<CodeAction>>>> {
4304        let buffer = buffer_handle.read(cx);
4305        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
4306        self.lsp_store.update(cx, |lsp_store, cx| {
4307            lsp_store.code_actions(buffer_handle, range, kinds, cx)
4308        })
4309    }
4310
4311    pub fn code_lens_actions<T: Clone + ToOffset>(
4312        &mut self,
4313        buffer: &Entity<Buffer>,
4314        range: Range<T>,
4315        cx: &mut Context<Self>,
4316    ) -> Task<Result<Option<Vec<CodeAction>>>> {
4317        let snapshot = buffer.read(cx).snapshot();
4318        let range = range.to_point(&snapshot);
4319        let range_start = snapshot.anchor_before(range.start);
4320        let range_end = if range.start == range.end {
4321            range_start
4322        } else {
4323            snapshot.anchor_after(range.end)
4324        };
4325        let range = range_start..range_end;
4326        let code_lens_actions = self
4327            .lsp_store
4328            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
4329
4330        cx.background_spawn(async move {
4331            let mut code_lens_actions = code_lens_actions
4332                .await
4333                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
4334            if let Some(code_lens_actions) = &mut code_lens_actions {
4335                code_lens_actions.retain(|code_lens_action| {
4336                    range
4337                        .start
4338                        .cmp(&code_lens_action.range.start, &snapshot)
4339                        .is_ge()
4340                        && range
4341                            .end
4342                            .cmp(&code_lens_action.range.end, &snapshot)
4343                            .is_le()
4344                });
4345            }
4346            Ok(code_lens_actions)
4347        })
4348    }
4349
4350    pub fn apply_code_action(
4351        &self,
4352        buffer_handle: Entity<Buffer>,
4353        action: CodeAction,
4354        push_to_history: bool,
4355        cx: &mut Context<Self>,
4356    ) -> Task<Result<ProjectTransaction>> {
4357        self.lsp_store.update(cx, |lsp_store, cx| {
4358            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
4359        })
4360    }
4361
4362    pub fn apply_code_action_kind(
4363        &self,
4364        buffers: HashSet<Entity<Buffer>>,
4365        kind: CodeActionKind,
4366        push_to_history: bool,
4367        cx: &mut Context<Self>,
4368    ) -> Task<Result<ProjectTransaction>> {
4369        self.lsp_store.update(cx, |lsp_store, cx| {
4370            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
4371        })
4372    }
4373
4374    pub fn prepare_rename<T: ToPointUtf16>(
4375        &mut self,
4376        buffer: Entity<Buffer>,
4377        position: T,
4378        cx: &mut Context<Self>,
4379    ) -> Task<Result<PrepareRenameResponse>> {
4380        let position = position.to_point_utf16(buffer.read(cx));
4381        self.request_lsp(
4382            buffer,
4383            LanguageServerToQuery::FirstCapable,
4384            PrepareRename { position },
4385            cx,
4386        )
4387    }
4388
4389    pub fn perform_rename<T: ToPointUtf16>(
4390        &mut self,
4391        buffer: Entity<Buffer>,
4392        position: T,
4393        new_name: String,
4394        cx: &mut Context<Self>,
4395    ) -> Task<Result<ProjectTransaction>> {
4396        let push_to_history = true;
4397        let position = position.to_point_utf16(buffer.read(cx));
4398        self.request_lsp(
4399            buffer,
4400            LanguageServerToQuery::FirstCapable,
4401            PerformRename {
4402                position,
4403                new_name,
4404                push_to_history,
4405            },
4406            cx,
4407        )
4408    }
4409
4410    pub fn on_type_format<T: ToPointUtf16>(
4411        &mut self,
4412        buffer: Entity<Buffer>,
4413        position: T,
4414        trigger: String,
4415        push_to_history: bool,
4416        cx: &mut Context<Self>,
4417    ) -> Task<Result<Option<Transaction>>> {
4418        self.lsp_store.update(cx, |lsp_store, cx| {
4419            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
4420        })
4421    }
4422
4423    pub fn inline_values(
4424        &mut self,
4425        session: Entity<Session>,
4426        active_stack_frame: ActiveStackFrame,
4427        buffer_handle: Entity<Buffer>,
4428        range: Range<text::Anchor>,
4429        cx: &mut Context<Self>,
4430    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
4431        let snapshot = buffer_handle.read(cx).snapshot();
4432
4433        let captures =
4434            snapshot.debug_variables_query(Anchor::min_for_buffer(snapshot.remote_id())..range.end);
4435
4436        let row = snapshot
4437            .summary_for_anchor::<text::PointUtf16>(&range.end)
4438            .row as usize;
4439
4440        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
4441
4442        let stack_frame_id = active_stack_frame.stack_frame_id;
4443        cx.spawn(async move |this, cx| {
4444            this.update(cx, |project, cx| {
4445                project.dap_store().update(cx, |dap_store, cx| {
4446                    dap_store.resolve_inline_value_locations(
4447                        session,
4448                        stack_frame_id,
4449                        buffer_handle,
4450                        inline_value_locations,
4451                        cx,
4452                    )
4453                })
4454            })?
4455            .await
4456        })
4457    }
4458
4459    fn search_impl(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> SearchResultsHandle {
4460        let client: Option<(AnyProtoClient, _)> = if let Some(ssh_client) = &self.remote_client {
4461            Some((ssh_client.read(cx).proto_client(), 0))
4462        } else if let Some(remote_id) = self.remote_id() {
4463            self.is_local()
4464                .not()
4465                .then(|| (self.collab_client.clone().into(), remote_id))
4466        } else {
4467            None
4468        };
4469        let searcher = if query.is_opened_only() {
4470            project_search::Search::open_buffers_only(
4471                self.buffer_store.clone(),
4472                self.worktree_store.clone(),
4473                project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4474            )
4475        } else {
4476            match client {
4477                Some((client, remote_id)) => project_search::Search::remote(
4478                    self.buffer_store.clone(),
4479                    self.worktree_store.clone(),
4480                    project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4481                    (client, remote_id, self.remotely_created_models.clone()),
4482                ),
4483                None => project_search::Search::local(
4484                    self.fs.clone(),
4485                    self.buffer_store.clone(),
4486                    self.worktree_store.clone(),
4487                    project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4488                    cx,
4489                ),
4490            }
4491        };
4492        searcher.into_handle(query, cx)
4493    }
4494
4495    pub fn search(
4496        &mut self,
4497        query: SearchQuery,
4498        cx: &mut Context<Self>,
4499    ) -> SearchResults<SearchResult> {
4500        self.search_impl(query, cx).results(cx)
4501    }
4502
4503    pub fn request_lsp<R: LspCommand>(
4504        &mut self,
4505        buffer_handle: Entity<Buffer>,
4506        server: LanguageServerToQuery,
4507        request: R,
4508        cx: &mut Context<Self>,
4509    ) -> Task<Result<R::Response>>
4510    where
4511        <R::LspRequest as lsp::request::Request>::Result: Send,
4512        <R::LspRequest as lsp::request::Request>::Params: Send,
4513    {
4514        let guard = self.retain_remotely_created_models(cx);
4515        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4516            lsp_store.request_lsp(buffer_handle, server, request, cx)
4517        });
4518        cx.background_spawn(async move {
4519            let result = task.await;
4520            drop(guard);
4521            result
4522        })
4523    }
4524
4525    /// Move a worktree to a new position in the worktree order.
4526    ///
4527    /// The worktree will moved to the opposite side of the destination worktree.
4528    ///
4529    /// # Example
4530    ///
4531    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4532    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4533    ///
4534    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4535    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4536    ///
4537    /// # Errors
4538    ///
4539    /// An error will be returned if the worktree or destination worktree are not found.
4540    pub fn move_worktree(
4541        &mut self,
4542        source: WorktreeId,
4543        destination: WorktreeId,
4544        cx: &mut Context<Self>,
4545    ) -> Result<()> {
4546        self.worktree_store.update(cx, |worktree_store, cx| {
4547            worktree_store.move_worktree(source, destination, cx)
4548        })
4549    }
4550
4551    /// 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.
4552    pub fn try_windows_path_to_wsl(
4553        &self,
4554        abs_path: &Path,
4555        cx: &App,
4556    ) -> impl Future<Output = Result<PathBuf>> + use<> {
4557        let fut = if cfg!(windows)
4558            && let (
4559                ProjectClientState::Local | ProjectClientState::Shared { .. },
4560                Some(remote_client),
4561            ) = (&self.client_state, &self.remote_client)
4562            && let RemoteConnectionOptions::Wsl(wsl) = remote_client.read(cx).connection_options()
4563        {
4564            Either::Left(wsl.abs_windows_path_to_wsl_path(abs_path))
4565        } else {
4566            Either::Right(abs_path.to_owned())
4567        };
4568        async move {
4569            match fut {
4570                Either::Left(fut) => fut.await.map(Into::into),
4571                Either::Right(path) => Ok(path),
4572            }
4573        }
4574    }
4575
4576    pub fn find_or_create_worktree(
4577        &mut self,
4578        abs_path: impl AsRef<Path>,
4579        visible: bool,
4580        cx: &mut Context<Self>,
4581    ) -> Task<Result<(Entity<Worktree>, Arc<RelPath>)>> {
4582        self.worktree_store.update(cx, |worktree_store, cx| {
4583            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4584        })
4585    }
4586
4587    pub fn find_worktree(
4588        &self,
4589        abs_path: &Path,
4590        cx: &App,
4591    ) -> Option<(Entity<Worktree>, Arc<RelPath>)> {
4592        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4593    }
4594
4595    pub fn is_shared(&self) -> bool {
4596        match &self.client_state {
4597            ProjectClientState::Shared { .. } => true,
4598            ProjectClientState::Local => false,
4599            ProjectClientState::Collab { .. } => true,
4600        }
4601    }
4602
4603    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4604    pub fn resolve_path_in_buffer(
4605        &self,
4606        path: &str,
4607        buffer: &Entity<Buffer>,
4608        cx: &mut Context<Self>,
4609    ) -> Task<Option<ResolvedPath>> {
4610        if util::paths::is_absolute(path, self.path_style(cx)) || path.starts_with("~") {
4611            self.resolve_abs_path(path, cx)
4612        } else {
4613            self.resolve_path_in_worktrees(path, buffer, cx)
4614        }
4615    }
4616
4617    pub fn resolve_abs_file_path(
4618        &self,
4619        path: &str,
4620        cx: &mut Context<Self>,
4621    ) -> Task<Option<ResolvedPath>> {
4622        let resolve_task = self.resolve_abs_path(path, cx);
4623        cx.background_spawn(async move {
4624            let resolved_path = resolve_task.await;
4625            resolved_path.filter(|path| path.is_file())
4626        })
4627    }
4628
4629    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4630        if self.is_local() {
4631            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4632            let fs = self.fs.clone();
4633            cx.background_spawn(async move {
4634                let metadata = fs.metadata(&expanded).await.ok().flatten();
4635
4636                metadata.map(|metadata| ResolvedPath::AbsPath {
4637                    path: expanded.to_string_lossy().into_owned(),
4638                    is_dir: metadata.is_dir,
4639                })
4640            })
4641        } else if let Some(ssh_client) = self.remote_client.as_ref() {
4642            let request = ssh_client
4643                .read(cx)
4644                .proto_client()
4645                .request(proto::GetPathMetadata {
4646                    project_id: REMOTE_SERVER_PROJECT_ID,
4647                    path: path.into(),
4648                });
4649            cx.background_spawn(async move {
4650                let response = request.await.log_err()?;
4651                if response.exists {
4652                    Some(ResolvedPath::AbsPath {
4653                        path: response.path,
4654                        is_dir: response.is_dir,
4655                    })
4656                } else {
4657                    None
4658                }
4659            })
4660        } else {
4661            Task::ready(None)
4662        }
4663    }
4664
4665    fn resolve_path_in_worktrees(
4666        &self,
4667        path: &str,
4668        buffer: &Entity<Buffer>,
4669        cx: &mut Context<Self>,
4670    ) -> Task<Option<ResolvedPath>> {
4671        let mut candidates = vec![];
4672        let path_style = self.path_style(cx);
4673        if let Ok(path) = RelPath::new(path.as_ref(), path_style) {
4674            candidates.push(path.into_arc());
4675        }
4676
4677        if let Some(file) = buffer.read(cx).file()
4678            && let Some(dir) = file.path().parent()
4679        {
4680            if let Some(joined) = path_style.join(&*dir.display(path_style), path)
4681                && let Some(joined) = RelPath::new(joined.as_ref(), path_style).ok()
4682            {
4683                candidates.push(joined.into_arc());
4684            }
4685        }
4686
4687        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4688        let worktrees_with_ids: Vec<_> = self
4689            .worktrees(cx)
4690            .map(|worktree| {
4691                let id = worktree.read(cx).id();
4692                (worktree, id)
4693            })
4694            .collect();
4695
4696        cx.spawn(async move |_, cx| {
4697            if let Some(buffer_worktree_id) = buffer_worktree_id
4698                && let Some((worktree, _)) = worktrees_with_ids
4699                    .iter()
4700                    .find(|(_, id)| *id == buffer_worktree_id)
4701            {
4702                for candidate in candidates.iter() {
4703                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4704                        return Some(path);
4705                    }
4706                }
4707            }
4708            for (worktree, id) in worktrees_with_ids {
4709                if Some(id) == buffer_worktree_id {
4710                    continue;
4711                }
4712                for candidate in candidates.iter() {
4713                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4714                        return Some(path);
4715                    }
4716                }
4717            }
4718            None
4719        })
4720    }
4721
4722    fn resolve_path_in_worktree(
4723        worktree: &Entity<Worktree>,
4724        path: &RelPath,
4725        cx: &mut AsyncApp,
4726    ) -> Option<ResolvedPath> {
4727        worktree.read_with(cx, |worktree, _| {
4728            worktree.entry_for_path(path).map(|entry| {
4729                let project_path = ProjectPath {
4730                    worktree_id: worktree.id(),
4731                    path: entry.path.clone(),
4732                };
4733                ResolvedPath::ProjectPath {
4734                    project_path,
4735                    is_dir: entry.is_dir(),
4736                }
4737            })
4738        })
4739    }
4740
4741    pub fn list_directory(
4742        &self,
4743        query: String,
4744        cx: &mut Context<Self>,
4745    ) -> Task<Result<Vec<DirectoryItem>>> {
4746        if self.is_local() {
4747            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4748        } else if let Some(session) = self.remote_client.as_ref() {
4749            let request = proto::ListRemoteDirectory {
4750                dev_server_id: REMOTE_SERVER_PROJECT_ID,
4751                path: query,
4752                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4753            };
4754
4755            let response = session.read(cx).proto_client().request(request);
4756            cx.background_spawn(async move {
4757                let proto::ListRemoteDirectoryResponse {
4758                    entries,
4759                    entry_info,
4760                } = response.await?;
4761                Ok(entries
4762                    .into_iter()
4763                    .zip(entry_info)
4764                    .map(|(entry, info)| DirectoryItem {
4765                        path: PathBuf::from(entry),
4766                        is_dir: info.is_dir,
4767                    })
4768                    .collect())
4769            })
4770        } else {
4771            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4772        }
4773    }
4774
4775    pub fn create_worktree(
4776        &mut self,
4777        abs_path: impl AsRef<Path>,
4778        visible: bool,
4779        cx: &mut Context<Self>,
4780    ) -> Task<Result<Entity<Worktree>>> {
4781        self.worktree_store.update(cx, |worktree_store, cx| {
4782            worktree_store.create_worktree(abs_path, visible, cx)
4783        })
4784    }
4785
4786    /// Returns a task that resolves when the given worktree's `Entity` is
4787    /// fully dropped (all strong references released), not merely when
4788    /// `remove_worktree` is called. `remove_worktree` drops the store's
4789    /// reference and emits `WorktreeRemoved`, but other code may still
4790    /// hold a strong handle — the worktree isn't safe to delete from
4791    /// disk until every handle is gone.
4792    ///
4793    /// We use `observe_release` on the specific entity rather than
4794    /// listening for `WorktreeReleased` events because it's simpler at
4795    /// the call site (one awaitable task, no subscription / channel /
4796    /// ID filtering).
4797    pub fn wait_for_worktree_release(
4798        &mut self,
4799        worktree_id: WorktreeId,
4800        cx: &mut Context<Self>,
4801    ) -> Task<Result<()>> {
4802        let Some(worktree) = self.worktree_for_id(worktree_id, cx) else {
4803            return Task::ready(Ok(()));
4804        };
4805
4806        let (released_tx, released_rx) = futures::channel::oneshot::channel();
4807        let released_tx = std::sync::Arc::new(Mutex::new(Some(released_tx)));
4808        let release_subscription =
4809            cx.observe_release(&worktree, move |_project, _released_worktree, _cx| {
4810                if let Some(released_tx) = released_tx.lock().take() {
4811                    let _ = released_tx.send(());
4812                }
4813            });
4814
4815        cx.spawn(async move |_project, _cx| {
4816            let _release_subscription = release_subscription;
4817            released_rx
4818                .await
4819                .map_err(|_| anyhow!("worktree release observer dropped before release"))?;
4820            Ok(())
4821        })
4822    }
4823
4824    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4825        self.worktree_store.update(cx, |worktree_store, cx| {
4826            worktree_store.remove_worktree(id_to_remove, cx);
4827        });
4828    }
4829
4830    pub fn remove_worktree_for_main_worktree_path(
4831        &mut self,
4832        path: impl AsRef<Path>,
4833        cx: &mut Context<Self>,
4834    ) {
4835        let path = path.as_ref();
4836        self.worktree_store.update(cx, |worktree_store, cx| {
4837            if let Some(worktree) = worktree_store.worktree_for_main_worktree_path(path, cx) {
4838                worktree_store.remove_worktree(worktree.read(cx).id(), cx);
4839            }
4840        });
4841    }
4842
4843    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4844        self.worktree_store.update(cx, |worktree_store, cx| {
4845            worktree_store.add(worktree, cx);
4846        });
4847    }
4848
4849    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4850        let new_active_entry = entry.and_then(|project_path| {
4851            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4852            let entry = worktree.read(cx).entry_for_path(&project_path.path)?;
4853            Some(entry.id)
4854        });
4855        if new_active_entry != self.active_entry {
4856            self.active_entry = new_active_entry;
4857            self.lsp_store.update(cx, |lsp_store, _| {
4858                lsp_store.set_active_entry(new_active_entry);
4859            });
4860            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4861        }
4862    }
4863
4864    pub fn language_servers_running_disk_based_diagnostics<'a>(
4865        &'a self,
4866        cx: &'a App,
4867    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4868        self.lsp_store
4869            .read(cx)
4870            .language_servers_running_disk_based_diagnostics()
4871    }
4872
4873    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4874        self.lsp_store
4875            .read(cx)
4876            .diagnostic_summary(include_ignored, cx)
4877    }
4878
4879    /// Returns a summary of the diagnostics for the provided project path only.
4880    pub fn diagnostic_summary_for_path(&self, path: &ProjectPath, cx: &App) -> DiagnosticSummary {
4881        self.lsp_store
4882            .read(cx)
4883            .diagnostic_summary_for_path(path, cx)
4884    }
4885
4886    pub fn diagnostic_summaries<'a>(
4887        &'a self,
4888        include_ignored: bool,
4889        cx: &'a App,
4890    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4891        self.lsp_store
4892            .read(cx)
4893            .diagnostic_summaries(include_ignored, cx)
4894    }
4895
4896    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4897        self.active_entry
4898    }
4899
4900    pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
4901        self.worktree_store.read(cx).entry_for_path(path, cx)
4902    }
4903
4904    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4905        let worktree = self.worktree_for_entry(entry_id, cx)?;
4906        let worktree = worktree.read(cx);
4907        let worktree_id = worktree.id();
4908        let path = worktree.entry_for_id(entry_id)?.path.clone();
4909        Some(ProjectPath { worktree_id, path })
4910    }
4911
4912    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4913        Some(
4914            self.worktree_for_id(project_path.worktree_id, cx)?
4915                .read(cx)
4916                .absolutize(&project_path.path),
4917        )
4918    }
4919
4920    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4921    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4922    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4923    /// the first visible worktree that has an entry for that relative path.
4924    ///
4925    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4926    /// root name from paths.
4927    ///
4928    /// # Arguments
4929    ///
4930    /// * `path` - An absolute path, or a full path that starts with a worktree root name, or a
4931    ///   relative path within a visible worktree.
4932    /// * `cx` - A reference to the `AppContext`.
4933    ///
4934    /// # Returns
4935    ///
4936    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4937    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4938        let path_style = self.path_style(cx);
4939        let path = path.as_ref();
4940        let worktree_store = self.worktree_store.read(cx);
4941
4942        if is_absolute(&path.to_string_lossy(), path_style) {
4943            for worktree in worktree_store.visible_worktrees(cx) {
4944                let worktree_abs_path = worktree.read(cx).abs_path();
4945
4946                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path)
4947                    && let Ok(path) = RelPath::new(relative_path, path_style)
4948                {
4949                    return Some(ProjectPath {
4950                        worktree_id: worktree.read(cx).id(),
4951                        path: path.into_arc(),
4952                    });
4953                }
4954            }
4955        } else {
4956            for worktree in worktree_store.visible_worktrees(cx) {
4957                let worktree = worktree.read(cx);
4958                if let Ok(rel_path) = RelPath::new(path, path_style) {
4959                    if let Some(entry) = worktree.entry_for_path(&rel_path) {
4960                        return Some(ProjectPath {
4961                            worktree_id: worktree.id(),
4962                            path: entry.path.clone(),
4963                        });
4964                    }
4965                }
4966            }
4967
4968            for worktree in worktree_store.visible_worktrees(cx) {
4969                let worktree_root_name = worktree.read(cx).root_name();
4970                if let Ok(relative_path) = path.strip_prefix(worktree_root_name.as_std_path())
4971                    && let Ok(path) = RelPath::new(relative_path, path_style)
4972                {
4973                    return Some(ProjectPath {
4974                        worktree_id: worktree.read(cx).id(),
4975                        path: path.into_arc(),
4976                    });
4977                }
4978            }
4979        }
4980
4981        None
4982    }
4983
4984    /// If there's only one visible worktree, returns the given worktree-relative path with no prefix.
4985    ///
4986    /// Otherwise, returns the full path for the project path (obtained by prefixing the worktree-relative path with the name of the worktree).
4987    pub fn short_full_path_for_project_path(
4988        &self,
4989        project_path: &ProjectPath,
4990        cx: &App,
4991    ) -> Option<String> {
4992        let path_style = self.path_style(cx);
4993        if self.visible_worktrees(cx).take(2).count() < 2 {
4994            return Some(project_path.path.display(path_style).to_string());
4995        }
4996        self.worktree_for_id(project_path.worktree_id, cx)
4997            .map(|worktree| {
4998                let worktree_name = worktree.read(cx).root_name();
4999                worktree_name
5000                    .join(&project_path.path)
5001                    .display(path_style)
5002                    .to_string()
5003            })
5004    }
5005
5006    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
5007        self.worktree_store
5008            .read(cx)
5009            .project_path_for_absolute_path(abs_path, cx)
5010    }
5011
5012    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
5013        Some(
5014            self.worktree_for_id(project_path.worktree_id, cx)?
5015                .read(cx)
5016                .abs_path()
5017                .to_path_buf(),
5018        )
5019    }
5020
5021    pub fn blame_buffer(
5022        &self,
5023        buffer: &Entity<Buffer>,
5024        version: Option<clock::Global>,
5025        cx: &mut App,
5026    ) -> Task<Result<Option<Blame>>> {
5027        self.git_store.update(cx, |git_store, cx| {
5028            git_store.blame_buffer(buffer, version, cx)
5029        })
5030    }
5031
5032    pub fn get_permalink_to_line(
5033        &self,
5034        buffer: &Entity<Buffer>,
5035        selection: Range<u32>,
5036        cx: &mut App,
5037    ) -> Task<Result<url::Url>> {
5038        self.git_store.update(cx, |git_store, cx| {
5039            git_store.get_permalink_to_line(buffer, selection, cx)
5040        })
5041    }
5042
5043    // RPC message handlers
5044
5045    async fn handle_unshare_project(
5046        this: Entity<Self>,
5047        _: TypedEnvelope<proto::UnshareProject>,
5048        mut cx: AsyncApp,
5049    ) -> Result<()> {
5050        this.update(&mut cx, |this, cx| {
5051            if this.is_local() || this.is_via_remote_server() {
5052                this.unshare(cx)?;
5053            } else {
5054                this.disconnected_from_host(cx);
5055            }
5056            Ok(())
5057        })
5058    }
5059
5060    async fn handle_add_collaborator(
5061        this: Entity<Self>,
5062        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
5063        mut cx: AsyncApp,
5064    ) -> Result<()> {
5065        let collaborator = envelope
5066            .payload
5067            .collaborator
5068            .take()
5069            .context("empty collaborator")?;
5070
5071        let collaborator = Collaborator::from_proto(collaborator)?;
5072        this.update(&mut cx, |this, cx| {
5073            this.buffer_store.update(cx, |buffer_store, _| {
5074                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
5075            });
5076            this.breakpoint_store.read(cx).broadcast();
5077            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
5078            this.collaborators
5079                .insert(collaborator.peer_id, collaborator);
5080        });
5081
5082        Ok(())
5083    }
5084
5085    async fn handle_update_project_collaborator(
5086        this: Entity<Self>,
5087        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
5088        mut cx: AsyncApp,
5089    ) -> Result<()> {
5090        let old_peer_id = envelope
5091            .payload
5092            .old_peer_id
5093            .context("missing old peer id")?;
5094        let new_peer_id = envelope
5095            .payload
5096            .new_peer_id
5097            .context("missing new peer id")?;
5098        this.update(&mut cx, |this, cx| {
5099            let collaborator = this
5100                .collaborators
5101                .remove(&old_peer_id)
5102                .context("received UpdateProjectCollaborator for unknown peer")?;
5103            let is_host = collaborator.is_host;
5104            this.collaborators.insert(new_peer_id, collaborator);
5105
5106            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
5107            this.buffer_store.update(cx, |buffer_store, _| {
5108                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
5109            });
5110
5111            if is_host {
5112                this.buffer_store
5113                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
5114                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
5115                    .unwrap();
5116                cx.emit(Event::HostReshared);
5117            }
5118
5119            cx.emit(Event::CollaboratorUpdated {
5120                old_peer_id,
5121                new_peer_id,
5122            });
5123            Ok(())
5124        })
5125    }
5126
5127    async fn handle_remove_collaborator(
5128        this: Entity<Self>,
5129        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
5130        mut cx: AsyncApp,
5131    ) -> Result<()> {
5132        this.update(&mut cx, |this, cx| {
5133            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
5134            let replica_id = this
5135                .collaborators
5136                .remove(&peer_id)
5137                .with_context(|| format!("unknown peer {peer_id:?}"))?
5138                .replica_id;
5139            this.buffer_store.update(cx, |buffer_store, cx| {
5140                buffer_store.forget_shared_buffers_for(&peer_id);
5141                for buffer in buffer_store.buffers() {
5142                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
5143                }
5144            });
5145            this.git_store.update(cx, |git_store, _| {
5146                git_store.forget_shared_diffs_for(&peer_id);
5147            });
5148
5149            cx.emit(Event::CollaboratorLeft(peer_id));
5150            Ok(())
5151        })
5152    }
5153
5154    async fn handle_update_project(
5155        this: Entity<Self>,
5156        envelope: TypedEnvelope<proto::UpdateProject>,
5157        mut cx: AsyncApp,
5158    ) -> Result<()> {
5159        this.update(&mut cx, |this, cx| {
5160            // Don't handle messages that were sent before the response to us joining the project
5161            if envelope.message_id > this.join_project_response_message_id {
5162                cx.update_global::<SettingsStore, _>(|store, cx| {
5163                    for worktree_metadata in &envelope.payload.worktrees {
5164                        store
5165                            .clear_local_settings(WorktreeId::from_proto(worktree_metadata.id), cx)
5166                            .log_err();
5167                    }
5168                });
5169
5170                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
5171            }
5172            Ok(())
5173        })
5174    }
5175
5176    async fn handle_toast(
5177        this: Entity<Self>,
5178        envelope: TypedEnvelope<proto::Toast>,
5179        mut cx: AsyncApp,
5180    ) -> Result<()> {
5181        this.update(&mut cx, |_, cx| {
5182            cx.emit(Event::Toast {
5183                notification_id: envelope.payload.notification_id.into(),
5184                message: envelope.payload.message,
5185                link: None,
5186            });
5187            Ok(())
5188        })
5189    }
5190
5191    async fn handle_language_server_prompt_request(
5192        this: Entity<Self>,
5193        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
5194        mut cx: AsyncApp,
5195    ) -> Result<proto::LanguageServerPromptResponse> {
5196        let (tx, rx) = smol::channel::bounded(1);
5197        let actions: Vec<_> = envelope
5198            .payload
5199            .actions
5200            .into_iter()
5201            .map(|action| MessageActionItem {
5202                title: action,
5203                properties: Default::default(),
5204            })
5205            .collect();
5206        this.update(&mut cx, |_, cx| {
5207            cx.emit(Event::LanguageServerPrompt(
5208                LanguageServerPromptRequest::new(
5209                    proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
5210                    envelope.payload.message,
5211                    actions.clone(),
5212                    envelope.payload.lsp_name,
5213                    tx,
5214                ),
5215            ));
5216
5217            anyhow::Ok(())
5218        })?;
5219
5220        // We drop `this` to avoid holding a reference in this future for too
5221        // long.
5222        // If we keep the reference, we might not drop the `Project` early
5223        // enough when closing a window and it will only get releases on the
5224        // next `flush_effects()` call.
5225        drop(this);
5226
5227        let mut rx = pin!(rx);
5228        let answer = rx.next().await;
5229
5230        Ok(LanguageServerPromptResponse {
5231            action_response: answer.and_then(|answer| {
5232                actions
5233                    .iter()
5234                    .position(|action| *action == answer)
5235                    .map(|index| index as u64)
5236            }),
5237        })
5238    }
5239
5240    async fn handle_hide_toast(
5241        this: Entity<Self>,
5242        envelope: TypedEnvelope<proto::HideToast>,
5243        mut cx: AsyncApp,
5244    ) -> Result<()> {
5245        this.update(&mut cx, |_, cx| {
5246            cx.emit(Event::HideToast {
5247                notification_id: envelope.payload.notification_id.into(),
5248            });
5249            Ok(())
5250        })
5251    }
5252
5253    // Collab sends UpdateWorktree protos as messages
5254    async fn handle_update_worktree(
5255        this: Entity<Self>,
5256        envelope: TypedEnvelope<proto::UpdateWorktree>,
5257        mut cx: AsyncApp,
5258    ) -> Result<()> {
5259        this.update(&mut cx, |project, cx| {
5260            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5261            if let Some(worktree) = project.worktree_for_id(worktree_id, cx) {
5262                worktree.update(cx, |worktree, _| {
5263                    let worktree = worktree.as_remote_mut().unwrap();
5264                    worktree.update_from_remote(envelope.payload);
5265                });
5266            }
5267            Ok(())
5268        })
5269    }
5270
5271    async fn handle_update_buffer_from_remote_server(
5272        this: Entity<Self>,
5273        envelope: TypedEnvelope<proto::UpdateBuffer>,
5274        cx: AsyncApp,
5275    ) -> Result<proto::Ack> {
5276        let buffer_store = this.read_with(&cx, |this, cx| {
5277            if let Some(remote_id) = this.remote_id() {
5278                let mut payload = envelope.payload.clone();
5279                payload.project_id = remote_id;
5280                cx.background_spawn(this.collab_client.request(payload))
5281                    .detach_and_log_err(cx);
5282            }
5283            this.buffer_store.clone()
5284        });
5285        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
5286    }
5287
5288    async fn handle_trust_worktrees(
5289        this: Entity<Self>,
5290        envelope: TypedEnvelope<proto::TrustWorktrees>,
5291        mut cx: AsyncApp,
5292    ) -> Result<proto::Ack> {
5293        if this.read_with(&cx, |project, _| project.is_via_collab()) {
5294            return Ok(proto::Ack {});
5295        }
5296
5297        let trusted_worktrees = cx
5298            .update(|cx| TrustedWorktrees::try_get_global(cx))
5299            .context("missing trusted worktrees")?;
5300        trusted_worktrees.update(&mut cx, |trusted_worktrees, cx| {
5301            trusted_worktrees.trust(
5302                &this.read(cx).worktree_store(),
5303                envelope
5304                    .payload
5305                    .trusted_paths
5306                    .into_iter()
5307                    .filter_map(|proto_path| PathTrust::from_proto(proto_path))
5308                    .collect(),
5309                cx,
5310            );
5311        });
5312        Ok(proto::Ack {})
5313    }
5314
5315    async fn handle_restrict_worktrees(
5316        this: Entity<Self>,
5317        envelope: TypedEnvelope<proto::RestrictWorktrees>,
5318        mut cx: AsyncApp,
5319    ) -> Result<proto::Ack> {
5320        if this.read_with(&cx, |project, _| project.is_via_collab()) {
5321            return Ok(proto::Ack {});
5322        }
5323
5324        let trusted_worktrees = cx
5325            .update(|cx| TrustedWorktrees::try_get_global(cx))
5326            .context("missing trusted worktrees")?;
5327        trusted_worktrees.update(&mut cx, |trusted_worktrees, cx| {
5328            let worktree_store = this.read(cx).worktree_store().downgrade();
5329            let restricted_paths = envelope
5330                .payload
5331                .worktree_ids
5332                .into_iter()
5333                .map(WorktreeId::from_proto)
5334                .map(PathTrust::Worktree)
5335                .collect::<HashSet<_>>();
5336            trusted_worktrees.restrict(worktree_store, restricted_paths, cx);
5337        });
5338        Ok(proto::Ack {})
5339    }
5340
5341    // Goes from host to client.
5342    async fn handle_find_search_candidates_chunk(
5343        this: Entity<Self>,
5344        envelope: TypedEnvelope<proto::FindSearchCandidatesChunk>,
5345        mut cx: AsyncApp,
5346    ) -> Result<proto::Ack> {
5347        let buffer_store = this.read_with(&mut cx, |this, _| this.buffer_store.clone());
5348        BufferStore::handle_find_search_candidates_chunk(buffer_store, envelope, cx).await
5349    }
5350
5351    // Goes from client to host.
5352    async fn handle_find_search_candidates_cancel(
5353        this: Entity<Self>,
5354        envelope: TypedEnvelope<proto::FindSearchCandidatesCancelled>,
5355        mut cx: AsyncApp,
5356    ) -> Result<()> {
5357        let buffer_store = this.read_with(&mut cx, |this, _| this.buffer_store.clone());
5358        BufferStore::handle_find_search_candidates_cancel(buffer_store, envelope, cx).await
5359    }
5360
5361    async fn handle_update_buffer(
5362        this: Entity<Self>,
5363        envelope: TypedEnvelope<proto::UpdateBuffer>,
5364        cx: AsyncApp,
5365    ) -> Result<proto::Ack> {
5366        let buffer_store = this.read_with(&cx, |this, cx| {
5367            if let Some(ssh) = &this.remote_client {
5368                let mut payload = envelope.payload.clone();
5369                payload.project_id = REMOTE_SERVER_PROJECT_ID;
5370                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
5371                    .detach_and_log_err(cx);
5372            }
5373            this.buffer_store.clone()
5374        });
5375        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
5376    }
5377
5378    fn retain_remotely_created_models(
5379        &mut self,
5380        cx: &mut Context<Self>,
5381    ) -> RemotelyCreatedModelGuard {
5382        Self::retain_remotely_created_models_impl(
5383            &self.remotely_created_models,
5384            &self.buffer_store,
5385            &self.worktree_store,
5386            cx,
5387        )
5388    }
5389
5390    fn retain_remotely_created_models_impl(
5391        models: &Arc<Mutex<RemotelyCreatedModels>>,
5392        buffer_store: &Entity<BufferStore>,
5393        worktree_store: &Entity<WorktreeStore>,
5394        cx: &mut App,
5395    ) -> RemotelyCreatedModelGuard {
5396        {
5397            let mut remotely_create_models = models.lock();
5398            if remotely_create_models.retain_count == 0 {
5399                remotely_create_models.buffers = buffer_store.read(cx).buffers().collect();
5400                remotely_create_models.worktrees = worktree_store.read(cx).worktrees().collect();
5401            }
5402            remotely_create_models.retain_count += 1;
5403        }
5404        RemotelyCreatedModelGuard {
5405            remote_models: Arc::downgrade(&models),
5406        }
5407    }
5408
5409    async fn handle_create_buffer_for_peer(
5410        this: Entity<Self>,
5411        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
5412        mut cx: AsyncApp,
5413    ) -> Result<()> {
5414        this.update(&mut cx, |this, cx| {
5415            this.buffer_store.update(cx, |buffer_store, cx| {
5416                buffer_store.handle_create_buffer_for_peer(
5417                    envelope,
5418                    this.replica_id(),
5419                    this.capability(),
5420                    cx,
5421                )
5422            })
5423        })
5424    }
5425
5426    async fn handle_toggle_lsp_logs(
5427        project: Entity<Self>,
5428        envelope: TypedEnvelope<proto::ToggleLspLogs>,
5429        mut cx: AsyncApp,
5430    ) -> Result<()> {
5431        let toggled_log_kind =
5432            match proto::toggle_lsp_logs::LogType::from_i32(envelope.payload.log_type)
5433                .context("invalid log type")?
5434            {
5435                proto::toggle_lsp_logs::LogType::Log => LogKind::Logs,
5436                proto::toggle_lsp_logs::LogType::Trace => LogKind::Trace,
5437                proto::toggle_lsp_logs::LogType::Rpc => LogKind::Rpc,
5438            };
5439        project.update(&mut cx, |_, cx| {
5440            cx.emit(Event::ToggleLspLogs {
5441                server_id: LanguageServerId::from_proto(envelope.payload.server_id),
5442                enabled: envelope.payload.enabled,
5443                toggled_log_kind,
5444            })
5445        });
5446        Ok(())
5447    }
5448
5449    async fn handle_synchronize_buffers(
5450        this: Entity<Self>,
5451        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
5452        mut cx: AsyncApp,
5453    ) -> Result<proto::SynchronizeBuffersResponse> {
5454        let response = this.update(&mut cx, |this, cx| {
5455            let client = this.collab_client.clone();
5456            this.buffer_store.update(cx, |this, cx| {
5457                this.handle_synchronize_buffers(envelope, cx, client)
5458            })
5459        })?;
5460
5461        Ok(response)
5462    }
5463
5464    // Goes from client to host.
5465    async fn handle_search_candidate_buffers(
5466        this: Entity<Self>,
5467        envelope: TypedEnvelope<proto::FindSearchCandidates>,
5468        mut cx: AsyncApp,
5469    ) -> Result<proto::Ack> {
5470        let peer_id = envelope.original_sender_id.unwrap_or(envelope.sender_id);
5471        let message = envelope.payload;
5472        let project_id = message.project_id;
5473        let path_style = this.read_with(&cx, |this, cx| this.path_style(cx));
5474        let query =
5475            SearchQuery::from_proto(message.query.context("missing query field")?, path_style)?;
5476
5477        let handle = message.handle;
5478        let buffer_store = this.read_with(&cx, |this, _| this.buffer_store().clone());
5479        let client = this.read_with(&cx, |this, _| this.client());
5480        let task = cx.spawn(async move |cx| {
5481            let results = this.update(cx, |this, cx| {
5482                this.search_impl(query, cx).matching_buffers(cx)
5483            });
5484            let (batcher, batches) = project_search::AdaptiveBatcher::new(cx.background_executor());
5485            let mut new_matches = Box::pin(results.rx);
5486
5487            let sender_task = cx.background_executor().spawn({
5488                let client = client.clone();
5489                async move {
5490                    let mut batches = std::pin::pin!(batches);
5491                    while let Some(buffer_ids) = batches.next().await {
5492                        client
5493                            .request(proto::FindSearchCandidatesChunk {
5494                                handle,
5495                                peer_id: Some(peer_id),
5496                                project_id,
5497                                variant: Some(
5498                                    proto::find_search_candidates_chunk::Variant::Matches(
5499                                        proto::FindSearchCandidatesMatches { buffer_ids },
5500                                    ),
5501                                ),
5502                            })
5503                            .await?;
5504                    }
5505                    anyhow::Ok(())
5506                }
5507            });
5508
5509            while let Some(buffer) = new_matches.next().await {
5510                let buffer_id = this.update(cx, |this, cx| {
5511                    this.create_buffer_for_peer(&buffer, peer_id, cx).to_proto()
5512                });
5513                batcher.push(buffer_id).await;
5514            }
5515            batcher.flush().await;
5516
5517            sender_task.await?;
5518
5519            let _ = client
5520                .request(proto::FindSearchCandidatesChunk {
5521                    handle,
5522                    peer_id: Some(peer_id),
5523                    project_id,
5524                    variant: Some(proto::find_search_candidates_chunk::Variant::Done(
5525                        proto::FindSearchCandidatesDone {},
5526                    )),
5527                })
5528                .await?;
5529            anyhow::Ok(())
5530        });
5531        buffer_store.update(&mut cx, |this, _| {
5532            this.register_ongoing_project_search((peer_id, handle), task);
5533        });
5534
5535        Ok(proto::Ack {})
5536    }
5537
5538    async fn handle_open_buffer_by_id(
5539        this: Entity<Self>,
5540        envelope: TypedEnvelope<proto::OpenBufferById>,
5541        mut cx: AsyncApp,
5542    ) -> Result<proto::OpenBufferResponse> {
5543        let peer_id = envelope.original_sender_id()?;
5544        let buffer_id = BufferId::new(envelope.payload.id)?;
5545        let buffer = this
5546            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))
5547            .await?;
5548        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5549    }
5550
5551    async fn handle_open_buffer_by_path(
5552        this: Entity<Self>,
5553        envelope: TypedEnvelope<proto::OpenBufferByPath>,
5554        mut cx: AsyncApp,
5555    ) -> Result<proto::OpenBufferResponse> {
5556        let peer_id = envelope.original_sender_id()?;
5557        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5558        let path = RelPath::from_proto(&envelope.payload.path)?;
5559        let open_buffer = this
5560            .update(&mut cx, |this, cx| {
5561                this.open_buffer(ProjectPath { worktree_id, path }, cx)
5562            })
5563            .await?;
5564        Project::respond_to_open_buffer_request(this, open_buffer, peer_id, &mut cx)
5565    }
5566
5567    async fn handle_open_new_buffer(
5568        this: Entity<Self>,
5569        envelope: TypedEnvelope<proto::OpenNewBuffer>,
5570        mut cx: AsyncApp,
5571    ) -> Result<proto::OpenBufferResponse> {
5572        let buffer = this
5573            .update(&mut cx, |this, cx| this.create_buffer(None, true, cx))
5574            .await?;
5575        let peer_id = envelope.original_sender_id()?;
5576
5577        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5578    }
5579
5580    fn respond_to_open_buffer_request(
5581        this: Entity<Self>,
5582        buffer: Entity<Buffer>,
5583        peer_id: proto::PeerId,
5584        cx: &mut AsyncApp,
5585    ) -> Result<proto::OpenBufferResponse> {
5586        this.update(cx, |this, cx| {
5587            let is_private = buffer
5588                .read(cx)
5589                .file()
5590                .map(|f| f.is_private())
5591                .unwrap_or_default();
5592            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
5593            Ok(proto::OpenBufferResponse {
5594                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
5595            })
5596        })
5597    }
5598
5599    fn create_buffer_for_peer(
5600        &mut self,
5601        buffer: &Entity<Buffer>,
5602        peer_id: proto::PeerId,
5603        cx: &mut App,
5604    ) -> BufferId {
5605        self.buffer_store
5606            .update(cx, |buffer_store, cx| {
5607                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
5608            })
5609            .detach_and_log_err(cx);
5610        buffer.read(cx).remote_id()
5611    }
5612
5613    async fn handle_create_image_for_peer(
5614        this: Entity<Self>,
5615        envelope: TypedEnvelope<proto::CreateImageForPeer>,
5616        mut cx: AsyncApp,
5617    ) -> Result<()> {
5618        this.update(&mut cx, |this, cx| {
5619            this.image_store.update(cx, |image_store, cx| {
5620                image_store.handle_create_image_for_peer(envelope, cx)
5621            })
5622        })
5623    }
5624
5625    async fn handle_create_file_for_peer(
5626        this: Entity<Self>,
5627        envelope: TypedEnvelope<proto::CreateFileForPeer>,
5628        mut cx: AsyncApp,
5629    ) -> Result<()> {
5630        use proto::create_file_for_peer::Variant;
5631        log::debug!("handle_create_file_for_peer: received message");
5632
5633        let downloading_files: Arc<Mutex<HashMap<(WorktreeId, String), DownloadingFile>>> =
5634            this.update(&mut cx, |this, _| this.downloading_files.clone());
5635
5636        match &envelope.payload.variant {
5637            Some(Variant::State(state)) => {
5638                log::debug!(
5639                    "handle_create_file_for_peer: got State: id={}, content_size={}",
5640                    state.id,
5641                    state.content_size
5642                );
5643
5644                // Extract worktree_id and path from the File field
5645                if let Some(ref file) = state.file {
5646                    let worktree_id = WorktreeId::from_proto(file.worktree_id);
5647                    let path = file.path.clone();
5648                    let key = (worktree_id, path);
5649                    log::debug!("handle_create_file_for_peer: looking up key={:?}", key);
5650
5651                    let empty_file_destination: Option<PathBuf> = {
5652                        let mut files = downloading_files.lock();
5653                        log::trace!(
5654                            "handle_create_file_for_peer: current downloading_files keys: {:?}",
5655                            files.keys().collect::<Vec<_>>()
5656                        );
5657
5658                        if let Some(file_entry) = files.get_mut(&key) {
5659                            file_entry.total_size = state.content_size;
5660                            file_entry.file_id = Some(state.id);
5661                            log::debug!(
5662                                "handle_create_file_for_peer: updated file entry: total_size={}, file_id={}",
5663                                state.content_size,
5664                                state.id
5665                            );
5666                        } else {
5667                            log::warn!(
5668                                "handle_create_file_for_peer: key={:?} not found in downloading_files",
5669                                key
5670                            );
5671                        }
5672
5673                        if state.content_size == 0 {
5674                            // No chunks will arrive for an empty file; write it now.
5675                            files.remove(&key).map(|entry| entry.destination_path)
5676                        } else {
5677                            None
5678                        }
5679                    };
5680
5681                    if let Some(destination) = empty_file_destination {
5682                        log::debug!(
5683                            "handle_create_file_for_peer: writing empty file to {:?}",
5684                            destination
5685                        );
5686                        match smol::fs::write(&destination, &[] as &[u8]).await {
5687                            Ok(_) => log::info!(
5688                                "handle_create_file_for_peer: successfully wrote file to {:?}",
5689                                destination
5690                            ),
5691                            Err(e) => log::error!(
5692                                "handle_create_file_for_peer: failed to write empty file: {:?}",
5693                                e
5694                            ),
5695                        }
5696                    }
5697                } else {
5698                    log::warn!("handle_create_file_for_peer: State has no file field");
5699                }
5700            }
5701            Some(Variant::Chunk(chunk)) => {
5702                log::debug!(
5703                    "handle_create_file_for_peer: got Chunk: file_id={}, data_len={}",
5704                    chunk.file_id,
5705                    chunk.data.len()
5706                );
5707
5708                // Extract data while holding the lock, then release it before await
5709                let (key_to_remove, write_info): (
5710                    Option<(WorktreeId, String)>,
5711                    Option<(PathBuf, Vec<u8>)>,
5712                ) = {
5713                    let mut files = downloading_files.lock();
5714                    let mut found_key: Option<(WorktreeId, String)> = None;
5715                    let mut write_data: Option<(PathBuf, Vec<u8>)> = None;
5716
5717                    for (key, file_entry) in files.iter_mut() {
5718                        if file_entry.file_id == Some(chunk.file_id) {
5719                            file_entry.chunks.extend_from_slice(&chunk.data);
5720                            log::debug!(
5721                                "handle_create_file_for_peer: accumulated {} bytes, total_size={}",
5722                                file_entry.chunks.len(),
5723                                file_entry.total_size
5724                            );
5725
5726                            if file_entry.chunks.len() as u64 >= file_entry.total_size
5727                                && file_entry.total_size > 0
5728                            {
5729                                let destination = file_entry.destination_path.clone();
5730                                let content = std::mem::take(&mut file_entry.chunks);
5731                                found_key = Some(key.clone());
5732                                write_data = Some((destination, content));
5733                            }
5734                            break;
5735                        }
5736                    }
5737                    (found_key, write_data)
5738                }; // MutexGuard is dropped here
5739
5740                // Perform the async write outside the lock
5741                if let Some((destination, content)) = write_info {
5742                    log::debug!(
5743                        "handle_create_file_for_peer: writing {} bytes to {:?}",
5744                        content.len(),
5745                        destination
5746                    );
5747                    match smol::fs::write(&destination, &content).await {
5748                        Ok(_) => log::info!(
5749                            "handle_create_file_for_peer: successfully wrote file to {:?}",
5750                            destination
5751                        ),
5752                        Err(e) => log::error!(
5753                            "handle_create_file_for_peer: failed to write file: {:?}",
5754                            e
5755                        ),
5756                    }
5757                }
5758
5759                // Remove the completed entry
5760                if let Some(key) = key_to_remove {
5761                    downloading_files.lock().remove(&key);
5762                    log::debug!("handle_create_file_for_peer: removed completed download entry");
5763                }
5764            }
5765            None => {
5766                log::warn!("handle_create_file_for_peer: got None variant");
5767            }
5768        }
5769
5770        Ok(())
5771    }
5772
5773    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
5774        let project_id = match self.client_state {
5775            ProjectClientState::Collab {
5776                sharing_has_stopped,
5777                remote_id,
5778                ..
5779            } => {
5780                if sharing_has_stopped {
5781                    return Task::ready(Err(anyhow!(
5782                        "can't synchronize remote buffers on a readonly project"
5783                    )));
5784                } else {
5785                    remote_id
5786                }
5787            }
5788            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
5789                return Task::ready(Err(anyhow!(
5790                    "can't synchronize remote buffers on a local project"
5791                )));
5792            }
5793        };
5794
5795        let client = self.collab_client.clone();
5796        cx.spawn(async move |this, cx| {
5797            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
5798                this.buffer_store.read(cx).buffer_version_info(cx)
5799            })?;
5800            let response = client
5801                .request(proto::SynchronizeBuffers {
5802                    project_id,
5803                    buffers,
5804                })
5805                .await?;
5806
5807            let send_updates_for_buffers = this.update(cx, |this, cx| {
5808                response
5809                    .buffers
5810                    .into_iter()
5811                    .map(|buffer| {
5812                        let client = client.clone();
5813                        let buffer_id = match BufferId::new(buffer.id) {
5814                            Ok(id) => id,
5815                            Err(e) => {
5816                                return Task::ready(Err(e));
5817                            }
5818                        };
5819                        let remote_version = language::proto::deserialize_version(&buffer.version);
5820                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
5821                            let operations =
5822                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
5823                            cx.background_spawn(async move {
5824                                let operations = operations.await;
5825                                for chunk in split_operations(operations) {
5826                                    client
5827                                        .request(proto::UpdateBuffer {
5828                                            project_id,
5829                                            buffer_id: buffer_id.into(),
5830                                            operations: chunk,
5831                                        })
5832                                        .await?;
5833                                }
5834                                anyhow::Ok(())
5835                            })
5836                        } else {
5837                            Task::ready(Ok(()))
5838                        }
5839                    })
5840                    .collect::<Vec<_>>()
5841            })?;
5842
5843            // Any incomplete buffers have open requests waiting. Request that the host sends
5844            // creates these buffers for us again to unblock any waiting futures.
5845            for id in incomplete_buffer_ids {
5846                cx.background_spawn(client.request(proto::OpenBufferById {
5847                    project_id,
5848                    id: id.into(),
5849                }))
5850                .detach();
5851            }
5852
5853            futures::future::join_all(send_updates_for_buffers)
5854                .await
5855                .into_iter()
5856                .collect()
5857        })
5858    }
5859
5860    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
5861        self.worktree_store.read(cx).worktree_metadata_protos(cx)
5862    }
5863
5864    /// Iterator of all open buffers that have unsaved changes
5865    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
5866        self.buffer_store.read(cx).buffers().filter_map(|buf| {
5867            let buf = buf.read(cx);
5868            if buf.is_dirty() {
5869                buf.project_path(cx)
5870            } else {
5871                None
5872            }
5873        })
5874    }
5875
5876    fn set_worktrees_from_proto(
5877        &mut self,
5878        worktrees: Vec<proto::WorktreeMetadata>,
5879        cx: &mut Context<Project>,
5880    ) -> Result<()> {
5881        self.worktree_store.update(cx, |worktree_store, cx| {
5882            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
5883        })
5884    }
5885
5886    fn set_collaborators_from_proto(
5887        &mut self,
5888        messages: Vec<proto::Collaborator>,
5889        cx: &mut Context<Self>,
5890    ) -> Result<()> {
5891        let mut collaborators = HashMap::default();
5892        for message in messages {
5893            let collaborator = Collaborator::from_proto(message)?;
5894            collaborators.insert(collaborator.peer_id, collaborator);
5895        }
5896        for old_peer_id in self.collaborators.keys() {
5897            if !collaborators.contains_key(old_peer_id) {
5898                cx.emit(Event::CollaboratorLeft(*old_peer_id));
5899            }
5900        }
5901        self.collaborators = collaborators;
5902        Ok(())
5903    }
5904
5905    pub fn supplementary_language_servers<'a>(
5906        &'a self,
5907        cx: &'a App,
5908    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5909        self.lsp_store.read(cx).supplementary_language_servers()
5910    }
5911
5912    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5913        let Some(language) = buffer.language().cloned() else {
5914            return false;
5915        };
5916        self.lsp_store.update(cx, |lsp_store, _| {
5917            let relevant_language_servers = lsp_store
5918                .languages
5919                .lsp_adapters(&language.name())
5920                .into_iter()
5921                .map(|lsp_adapter| lsp_adapter.name())
5922                .collect::<HashSet<_>>();
5923            lsp_store
5924                .language_server_statuses()
5925                .filter_map(|(server_id, server_status)| {
5926                    relevant_language_servers
5927                        .contains(&server_status.name)
5928                        .then_some(server_id)
5929                })
5930                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5931                .any(InlayHints::check_capabilities)
5932        })
5933    }
5934
5935    pub fn any_language_server_supports_semantic_tokens(
5936        &self,
5937        buffer: &Buffer,
5938        cx: &mut App,
5939    ) -> bool {
5940        let Some(language) = buffer.language().cloned() else {
5941            return false;
5942        };
5943        let lsp_store = self.lsp_store.read(cx);
5944        let relevant_language_servers = lsp_store
5945            .languages
5946            .lsp_adapters(&language.name())
5947            .into_iter()
5948            .map(|lsp_adapter| lsp_adapter.name())
5949            .collect::<HashSet<_>>();
5950        lsp_store
5951            .language_server_statuses()
5952            .filter_map(|(server_id, server_status)| {
5953                relevant_language_servers
5954                    .contains(&server_status.name)
5955                    .then_some(server_id)
5956            })
5957            .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5958            .any(|capabilities| capabilities.semantic_tokens_provider.is_some())
5959    }
5960
5961    pub fn language_server_id_for_name(
5962        &self,
5963        buffer: &Buffer,
5964        name: &LanguageServerName,
5965        cx: &App,
5966    ) -> Option<LanguageServerId> {
5967        let language = buffer.language()?;
5968        let relevant_language_servers = self
5969            .languages
5970            .lsp_adapters(&language.name())
5971            .into_iter()
5972            .map(|lsp_adapter| lsp_adapter.name())
5973            .collect::<HashSet<_>>();
5974        if !relevant_language_servers.contains(name) {
5975            return None;
5976        }
5977        self.language_server_statuses(cx)
5978            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5979            .find_map(|(server_id, server_status)| {
5980                if &server_status.name == name {
5981                    Some(server_id)
5982                } else {
5983                    None
5984                }
5985            })
5986    }
5987
5988    #[cfg(feature = "test-support")]
5989    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5990        self.lsp_store.update(cx, |this, cx| {
5991            this.running_language_servers_for_local_buffer(buffer, cx)
5992                .next()
5993                .is_some()
5994        })
5995    }
5996
5997    pub fn git_init(
5998        &self,
5999        path: Arc<Path>,
6000        fallback_branch_name: String,
6001        cx: &App,
6002    ) -> Task<Result<()>> {
6003        self.git_store
6004            .read(cx)
6005            .git_init(path, fallback_branch_name, cx)
6006    }
6007
6008    pub fn buffer_store(&self) -> &Entity<BufferStore> {
6009        &self.buffer_store
6010    }
6011
6012    pub fn git_store(&self) -> &Entity<GitStore> {
6013        &self.git_store
6014    }
6015
6016    pub fn agent_server_store(&self) -> &Entity<AgentServerStore> {
6017        &self.agent_server_store
6018    }
6019
6020    #[cfg(feature = "test-support")]
6021    pub fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
6022        use futures::future::join_all;
6023        cx.spawn(async move |this, cx| {
6024            let scans_complete = this
6025                .read_with(cx, |this, cx| {
6026                    this.worktrees(cx)
6027                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
6028                        .collect::<Vec<_>>()
6029                })
6030                .unwrap();
6031            join_all(scans_complete).await;
6032            let barriers = this
6033                .update(cx, |this, cx| {
6034                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
6035                    repos
6036                        .into_iter()
6037                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
6038                        .collect::<Vec<_>>()
6039                })
6040                .unwrap();
6041            join_all(barriers).await;
6042        })
6043    }
6044
6045    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
6046        self.git_store.read(cx).active_repository()
6047    }
6048
6049    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
6050        self.git_store.read(cx).repositories()
6051    }
6052
6053    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
6054        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
6055    }
6056
6057    pub fn set_agent_location(
6058        &mut self,
6059        new_location: Option<AgentLocation>,
6060        cx: &mut Context<Self>,
6061    ) {
6062        if let Some(old_location) = self.agent_location.as_ref() {
6063            old_location
6064                .buffer
6065                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
6066                .ok();
6067        }
6068
6069        if let Some(location) = new_location.as_ref() {
6070            location
6071                .buffer
6072                .update(cx, |buffer, cx| {
6073                    buffer.set_agent_selections(
6074                        Arc::from([language::Selection {
6075                            id: 0,
6076                            start: location.position,
6077                            end: location.position,
6078                            reversed: false,
6079                            goal: language::SelectionGoal::None,
6080                        }]),
6081                        false,
6082                        CursorShape::Hollow,
6083                        cx,
6084                    )
6085                })
6086                .ok();
6087        }
6088
6089        self.agent_location = new_location;
6090        cx.emit(Event::AgentLocationChanged);
6091    }
6092
6093    pub fn agent_location(&self) -> Option<AgentLocation> {
6094        self.agent_location.clone()
6095    }
6096
6097    pub fn path_style(&self, cx: &App) -> PathStyle {
6098        self.worktree_store.read(cx).path_style()
6099    }
6100
6101    pub fn contains_local_settings_file(
6102        &self,
6103        worktree_id: WorktreeId,
6104        rel_path: &RelPath,
6105        cx: &App,
6106    ) -> bool {
6107        self.worktree_for_id(worktree_id, cx)
6108            .map_or(false, |worktree| {
6109                worktree.read(cx).entry_for_path(rel_path).is_some()
6110            })
6111    }
6112}
6113
6114/// Identifies a project group by a set of paths the workspaces in this group
6115/// have.
6116///
6117/// Paths are mapped to their main worktree path first so we can group
6118/// workspaces by main repos.
6119/// Stable identity for a project group. Unlike `ProjectGroupKey` (which is
6120/// derived from filesystem paths and changes when folders are added/removed),
6121/// a `ProjectGroupId` is assigned once when the group is created and never
6122/// changes.
6123#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, serde::Serialize, serde::Deserialize)]
6124pub struct ProjectGroupId(uuid::Uuid);
6125
6126impl ProjectGroupId {
6127    pub fn new() -> Self {
6128        Self(uuid::Uuid::new_v4())
6129    }
6130}
6131
6132/// A computed descriptor of a project's worktree paths + optional remote host.
6133/// Used for matching workspaces to existing groups. Equality is path-based.
6134#[derive(PartialEq, Eq, Hash, Clone, Debug)]
6135pub struct ProjectGroupKey {
6136    /// The paths of the main worktrees for this project group.
6137    paths: PathList,
6138    host: Option<RemoteConnectionOptions>,
6139}
6140
6141impl ProjectGroupKey {
6142    /// Creates a new `ProjectGroupKey` with the given path list.
6143    ///
6144    /// The path list should point to the git main worktree paths for a project.
6145    pub fn new(host: Option<RemoteConnectionOptions>, paths: PathList) -> Self {
6146        Self { paths, host }
6147    }
6148
6149    pub fn path_list(&self) -> &PathList {
6150        &self.paths
6151    }
6152
6153    pub fn display_name(
6154        &self,
6155        path_detail_map: &std::collections::HashMap<PathBuf, usize>,
6156    ) -> SharedString {
6157        let mut names = Vec::with_capacity(self.paths.paths().len());
6158        for abs_path in self.paths.paths() {
6159            let detail = path_detail_map.get(abs_path).copied().unwrap_or(0);
6160            let suffix = path_suffix(abs_path, detail);
6161            if !suffix.is_empty() {
6162                names.push(suffix);
6163            }
6164        }
6165        if names.is_empty() {
6166            "Empty Workspace".into()
6167        } else {
6168            names.join(", ").into()
6169        }
6170    }
6171
6172    pub fn host(&self) -> Option<RemoteConnectionOptions> {
6173        self.host.clone()
6174    }
6175}
6176
6177pub fn path_suffix(path: &Path, detail: usize) -> String {
6178    let mut components: Vec<_> = path
6179        .components()
6180        .rev()
6181        .filter_map(|component| match component {
6182            std::path::Component::Normal(s) => Some(s.to_string_lossy()),
6183            _ => None,
6184        })
6185        .take(detail + 1)
6186        .collect();
6187    components.reverse();
6188    components.join("/")
6189}
6190
6191pub struct PathMatchCandidateSet {
6192    pub snapshot: Snapshot,
6193    pub include_ignored: bool,
6194    pub include_root_name: bool,
6195    pub candidates: Candidates,
6196}
6197
6198pub enum Candidates {
6199    /// Only consider directories.
6200    Directories,
6201    /// Only consider files.
6202    Files,
6203    /// Consider directories and files.
6204    Entries,
6205}
6206
6207impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
6208    type Candidates = PathMatchCandidateSetIter<'a>;
6209
6210    fn id(&self) -> usize {
6211        self.snapshot.id().to_usize()
6212    }
6213
6214    fn len(&self) -> usize {
6215        match self.candidates {
6216            Candidates::Files => {
6217                if self.include_ignored {
6218                    self.snapshot.file_count()
6219                } else {
6220                    self.snapshot.visible_file_count()
6221                }
6222            }
6223
6224            Candidates::Directories => {
6225                if self.include_ignored {
6226                    self.snapshot.dir_count()
6227                } else {
6228                    self.snapshot.visible_dir_count()
6229                }
6230            }
6231
6232            Candidates::Entries => {
6233                if self.include_ignored {
6234                    self.snapshot.entry_count()
6235                } else {
6236                    self.snapshot.visible_entry_count()
6237                }
6238            }
6239        }
6240    }
6241
6242    fn prefix(&self) -> Arc<RelPath> {
6243        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
6244            self.snapshot.root_name().into()
6245        } else {
6246            RelPath::empty().into()
6247        }
6248    }
6249
6250    fn root_is_file(&self) -> bool {
6251        self.snapshot.root_entry().is_some_and(|f| f.is_file())
6252    }
6253
6254    fn path_style(&self) -> PathStyle {
6255        self.snapshot.path_style()
6256    }
6257
6258    fn candidates(&'a self, start: usize) -> Self::Candidates {
6259        PathMatchCandidateSetIter {
6260            traversal: match self.candidates {
6261                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
6262                Candidates::Files => self.snapshot.files(self.include_ignored, start),
6263                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
6264            },
6265        }
6266    }
6267}
6268
6269pub struct PathMatchCandidateSetIter<'a> {
6270    traversal: Traversal<'a>,
6271}
6272
6273impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
6274    type Item = fuzzy::PathMatchCandidate<'a>;
6275
6276    fn next(&mut self) -> Option<Self::Item> {
6277        self.traversal
6278            .next()
6279            .map(|entry| fuzzy::PathMatchCandidate {
6280                is_dir: entry.kind.is_dir(),
6281                path: &entry.path,
6282                char_bag: entry.char_bag,
6283            })
6284    }
6285}
6286
6287impl<'a> fuzzy_nucleo::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
6288    type Candidates = PathMatchCandidateSetNucleoIter<'a>;
6289    fn id(&self) -> usize {
6290        self.snapshot.id().to_usize()
6291    }
6292    fn len(&self) -> usize {
6293        match self.candidates {
6294            Candidates::Files => {
6295                if self.include_ignored {
6296                    self.snapshot.file_count()
6297                } else {
6298                    self.snapshot.visible_file_count()
6299                }
6300            }
6301            Candidates::Directories => {
6302                if self.include_ignored {
6303                    self.snapshot.dir_count()
6304                } else {
6305                    self.snapshot.visible_dir_count()
6306                }
6307            }
6308            Candidates::Entries => {
6309                if self.include_ignored {
6310                    self.snapshot.entry_count()
6311                } else {
6312                    self.snapshot.visible_entry_count()
6313                }
6314            }
6315        }
6316    }
6317    fn prefix(&self) -> Arc<RelPath> {
6318        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
6319            self.snapshot.root_name().into()
6320        } else {
6321            RelPath::empty().into()
6322        }
6323    }
6324    fn root_is_file(&self) -> bool {
6325        self.snapshot.root_entry().is_some_and(|f| f.is_file())
6326    }
6327    fn path_style(&self) -> PathStyle {
6328        self.snapshot.path_style()
6329    }
6330    fn candidates(&'a self, start: usize) -> Self::Candidates {
6331        PathMatchCandidateSetNucleoIter {
6332            traversal: match self.candidates {
6333                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
6334                Candidates::Files => self.snapshot.files(self.include_ignored, start),
6335                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
6336            },
6337        }
6338    }
6339}
6340
6341pub struct PathMatchCandidateSetNucleoIter<'a> {
6342    traversal: Traversal<'a>,
6343}
6344
6345impl<'a> Iterator for PathMatchCandidateSetNucleoIter<'a> {
6346    type Item = fuzzy_nucleo::PathMatchCandidate<'a>;
6347    fn next(&mut self) -> Option<Self::Item> {
6348        self.traversal
6349            .next()
6350            .map(|entry| fuzzy_nucleo::PathMatchCandidate {
6351                is_dir: entry.kind.is_dir(),
6352                path: &entry.path,
6353            })
6354    }
6355}
6356
6357impl EventEmitter<Event> for Project {}
6358
6359impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
6360    fn from(val: &'a ProjectPath) -> Self {
6361        SettingsLocation {
6362            worktree_id: val.worktree_id,
6363            path: val.path.as_ref(),
6364        }
6365    }
6366}
6367
6368impl<P: Into<Arc<RelPath>>> From<(WorktreeId, P)> for ProjectPath {
6369    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
6370        Self {
6371            worktree_id,
6372            path: path.into(),
6373        }
6374    }
6375}
6376
6377/// ResolvedPath is a path that has been resolved to either a ProjectPath
6378/// or an AbsPath and that *exists*.
6379#[derive(Debug, Clone)]
6380pub enum ResolvedPath {
6381    ProjectPath {
6382        project_path: ProjectPath,
6383        is_dir: bool,
6384    },
6385    AbsPath {
6386        path: String,
6387        is_dir: bool,
6388    },
6389}
6390
6391impl ResolvedPath {
6392    pub fn abs_path(&self) -> Option<&str> {
6393        match self {
6394            Self::AbsPath { path, .. } => Some(path),
6395            _ => None,
6396        }
6397    }
6398
6399    pub fn into_abs_path(self) -> Option<String> {
6400        match self {
6401            Self::AbsPath { path, .. } => Some(path),
6402            _ => None,
6403        }
6404    }
6405
6406    pub fn project_path(&self) -> Option<&ProjectPath> {
6407        match self {
6408            Self::ProjectPath { project_path, .. } => Some(project_path),
6409            _ => None,
6410        }
6411    }
6412
6413    pub fn is_file(&self) -> bool {
6414        !self.is_dir()
6415    }
6416
6417    pub fn is_dir(&self) -> bool {
6418        match self {
6419            Self::ProjectPath { is_dir, .. } => *is_dir,
6420            Self::AbsPath { is_dir, .. } => *is_dir,
6421        }
6422    }
6423}
6424
6425impl ProjectItem for Buffer {
6426    fn try_open(
6427        project: &Entity<Project>,
6428        path: &ProjectPath,
6429        cx: &mut App,
6430    ) -> Option<Task<Result<Entity<Self>>>> {
6431        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
6432    }
6433
6434    fn entry_id(&self, _cx: &App) -> Option<ProjectEntryId> {
6435        File::from_dyn(self.file()).and_then(|file| file.project_entry_id())
6436    }
6437
6438    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
6439        let file = self.file()?;
6440
6441        (!matches!(file.disk_state(), DiskState::Historic { .. })).then(|| ProjectPath {
6442            worktree_id: file.worktree_id(cx),
6443            path: file.path().clone(),
6444        })
6445    }
6446
6447    fn is_dirty(&self) -> bool {
6448        self.is_dirty()
6449    }
6450}
6451
6452impl Completion {
6453    pub fn kind(&self) -> Option<CompletionItemKind> {
6454        self.source
6455            // `lsp::CompletionListItemDefaults` has no `kind` field
6456            .lsp_completion(false)
6457            .and_then(|lsp_completion| lsp_completion.kind)
6458    }
6459
6460    pub fn label(&self) -> Option<String> {
6461        self.source
6462            .lsp_completion(false)
6463            .map(|lsp_completion| lsp_completion.label.clone())
6464    }
6465
6466    /// A key that can be used to sort completions when displaying
6467    /// them to the user.
6468    pub fn sort_key(&self) -> (usize, &str) {
6469        const DEFAULT_KIND_KEY: usize = 4;
6470        let kind_key = self
6471            .kind()
6472            .and_then(|lsp_completion_kind| match lsp_completion_kind {
6473                lsp::CompletionItemKind::KEYWORD => Some(0),
6474                lsp::CompletionItemKind::VARIABLE => Some(1),
6475                lsp::CompletionItemKind::CONSTANT => Some(2),
6476                lsp::CompletionItemKind::PROPERTY => Some(3),
6477                _ => None,
6478            })
6479            .unwrap_or(DEFAULT_KIND_KEY);
6480        (kind_key, self.label.filter_text())
6481    }
6482
6483    /// Whether this completion is a snippet.
6484    pub fn is_snippet_kind(&self) -> bool {
6485        matches!(
6486            &self.source,
6487            CompletionSource::Lsp { lsp_completion, .. }
6488            if lsp_completion.kind == Some(CompletionItemKind::SNIPPET)
6489        )
6490    }
6491
6492    /// Whether this completion is a snippet or snippet-style LSP completion.
6493    pub fn is_snippet(&self) -> bool {
6494        self.source
6495            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
6496            .lsp_completion(true)
6497            .is_some_and(|lsp_completion| {
6498                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
6499            })
6500    }
6501
6502    /// Returns the corresponding color for this completion.
6503    ///
6504    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
6505    pub fn color(&self) -> Option<Hsla> {
6506        // `lsp::CompletionListItemDefaults` has no `kind` field
6507        let lsp_completion = self.source.lsp_completion(false)?;
6508        if lsp_completion.kind? == CompletionItemKind::COLOR {
6509            return color_extractor::extract_color(&lsp_completion);
6510        }
6511        None
6512    }
6513}
6514
6515fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
6516    match level {
6517        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
6518        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
6519        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
6520    }
6521}
6522
6523fn provide_inline_values(
6524    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
6525    snapshot: &language::BufferSnapshot,
6526    max_row: usize,
6527) -> Vec<InlineValueLocation> {
6528    let mut variables = Vec::new();
6529    let mut variable_position = HashSet::default();
6530    let mut scopes = Vec::new();
6531
6532    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
6533
6534    for (capture_range, capture_kind) in captures {
6535        match capture_kind {
6536            language::DebuggerTextObject::Variable => {
6537                let variable_name = snapshot
6538                    .text_for_range(capture_range.clone())
6539                    .collect::<String>();
6540                let point = snapshot.offset_to_point(capture_range.end);
6541
6542                while scopes
6543                    .last()
6544                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
6545                {
6546                    scopes.pop();
6547                }
6548
6549                if point.row as usize > max_row {
6550                    break;
6551                }
6552
6553                let scope = if scopes
6554                    .last()
6555                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
6556                {
6557                    VariableScope::Global
6558                } else {
6559                    VariableScope::Local
6560                };
6561
6562                if variable_position.insert(capture_range.end) {
6563                    variables.push(InlineValueLocation {
6564                        variable_name,
6565                        scope,
6566                        lookup: VariableLookupKind::Variable,
6567                        row: point.row as usize,
6568                        column: point.column as usize,
6569                    });
6570                }
6571            }
6572            language::DebuggerTextObject::Scope => {
6573                while scopes.last().map_or_else(
6574                    || false,
6575                    |scope: &Range<usize>| {
6576                        !(scope.contains(&capture_range.start)
6577                            && scope.contains(&capture_range.end))
6578                    },
6579                ) {
6580                    scopes.pop();
6581                }
6582                scopes.push(capture_range);
6583            }
6584        }
6585    }
6586
6587    variables
6588}