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};
  54pub use worktree_store::WorktreePaths;
  55
  56use anyhow::{Context as _, Result, anyhow};
  57use buffer_store::{BufferStore, BufferStoreEvent};
  58use client::{
  59    Client, Collaborator, PendingEntitySubscription, ProjectId, TypedEnvelope, UserStore, proto,
  60};
  61use clock::ReplicaId;
  62
  63use dap::client::DebugAdapterClient;
  64
  65use collections::{BTreeSet, HashMap, HashSet, IndexSet};
  66use debounced_delay::DebouncedDelay;
  67pub use debugger::breakpoint_store::BreakpointWithPosition;
  68use debugger::{
  69    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  70    dap_store::{DapStore, DapStoreEvent},
  71    session::Session,
  72};
  73
  74pub use environment::ProjectEnvironment;
  75
  76use futures::{
  77    StreamExt,
  78    channel::mpsc::{self, UnboundedReceiver},
  79    future::try_join_all,
  80};
  81pub use image_store::{ImageItem, ImageStore};
  82use image_store::{ImageItemEvent, ImageStoreEvent};
  83
  84use ::git::{blame::Blame, status::FileStatus};
  85use gpui::{
  86    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  87    Task, WeakEntity, Window,
  88};
  89use language::{
  90    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, DiskState, Language, LanguageName,
  91    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainMetadata,
  92    ToolchainScope, Transaction, Unclipped, language_settings::InlayHintKind,
  93    proto::split_operations,
  94};
  95use lsp::{
  96    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  97    LanguageServerBinary, LanguageServerId, LanguageServerName, LanguageServerSelector,
  98    MessageActionItem,
  99};
 100use lsp_command::*;
 101use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
 102pub use manifest_tree::ManifestProvidersStore;
 103use node_runtime::NodeRuntime;
 104use parking_lot::Mutex;
 105pub use prettier_store::PrettierStore;
 106use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
 107#[cfg(target_os = "windows")]
 108use remote::wsl_path_to_windows_path;
 109use remote::{RemoteClient, RemoteConnectionOptions};
 110use rpc::{
 111    AnyProtoClient, ErrorCode,
 112    proto::{LanguageServerPromptResponse, REMOTE_SERVER_PROJECT_ID},
 113};
 114use search::{SearchInputKind, SearchQuery, SearchResult};
 115use search_history::SearchHistory;
 116use settings::{InvalidSettingsError, RegisterSetting, Settings, SettingsLocation, SettingsStore};
 117use snippet::Snippet;
 118pub use snippet_provider;
 119use snippet_provider::SnippetProvider;
 120use std::{
 121    borrow::Cow,
 122    collections::BTreeMap,
 123    ffi::OsString,
 124    future::Future,
 125    ops::{Not as _, Range},
 126    path::{Path, PathBuf},
 127    pin::pin,
 128    str::{self, FromStr},
 129    sync::Arc,
 130    time::Duration,
 131};
 132
 133use task_store::TaskStore;
 134use terminals::Terminals;
 135use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 136use toolchain_store::EmptyToolchainStore;
 137use util::{
 138    ResultExt as _, maybe,
 139    path_list::PathList,
 140    paths::{PathStyle, SanitizedPath, is_absolute},
 141    rel_path::RelPath,
 142};
 143use worktree::{CreatedEntry, Snapshot, Traversal};
 144pub use worktree::{
 145    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 146    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 147    discover_root_repo_common_dir,
 148};
 149use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 150
 151pub use fs::*;
 152pub use language::Location;
 153#[cfg(any(test, feature = "test-support"))]
 154pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 155#[cfg(any(test, feature = "test-support"))]
 156pub use prettier::RANGE_FORMAT_SUFFIX as TEST_PRETTIER_RANGE_FORMAT_SUFFIX;
 157pub use task_inventory::{
 158    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 159    TaskSourceKind,
 160};
 161
 162pub use buffer_store::ProjectTransaction;
 163pub use lsp_store::{
 164    DiagnosticSummary, InvalidationStrategy, LanguageServerLogType, LanguageServerProgress,
 165    LanguageServerPromptRequest, LanguageServerStatus, LanguageServerToQuery, LspStore,
 166    LspStoreEvent, ProgressToken, SERVER_PROGRESS_THROTTLE_TIMEOUT,
 167};
 168pub use toolchain_store::{ToolchainStore, Toolchains};
 169const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 170
 171#[derive(Clone, Copy, Debug)]
 172pub struct LocalProjectFlags {
 173    pub init_worktree_trust: bool,
 174    pub watch_global_configs: bool,
 175}
 176
 177impl Default for LocalProjectFlags {
 178    fn default() -> Self {
 179        Self {
 180            init_worktree_trust: true,
 181            watch_global_configs: true,
 182        }
 183    }
 184}
 185
 186pub trait ProjectItem: 'static {
 187    fn try_open(
 188        project: &Entity<Project>,
 189        path: &ProjectPath,
 190        cx: &mut App,
 191    ) -> Option<Task<Result<Entity<Self>>>>
 192    where
 193        Self: Sized;
 194    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 195    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 196    fn is_dirty(&self) -> bool;
 197}
 198
 199#[derive(Clone)]
 200pub enum OpenedBufferEvent {
 201    Disconnected,
 202    Ok(BufferId),
 203    Err(BufferId, Arc<anyhow::Error>),
 204}
 205
 206/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 207/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 208/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 209///
 210/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 211pub struct Project {
 212    active_entry: Option<ProjectEntryId>,
 213    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 214    languages: Arc<LanguageRegistry>,
 215    dap_store: Entity<DapStore>,
 216    agent_server_store: Entity<AgentServerStore>,
 217
 218    breakpoint_store: Entity<BreakpointStore>,
 219    collab_client: Arc<client::Client>,
 220    join_project_response_message_id: u32,
 221    task_store: Entity<TaskStore>,
 222    user_store: Entity<UserStore>,
 223    fs: Arc<dyn Fs>,
 224    remote_client: Option<Entity<RemoteClient>>,
 225    // todo lw explain the client_state x remote_client matrix, its super confusing
 226    client_state: ProjectClientState,
 227    git_store: Entity<GitStore>,
 228    collaborators: HashMap<proto::PeerId, Collaborator>,
 229    client_subscriptions: Vec<client::Subscription>,
 230    worktree_store: Entity<WorktreeStore>,
 231    buffer_store: Entity<BufferStore>,
 232    context_server_store: Entity<ContextServerStore>,
 233    image_store: Entity<ImageStore>,
 234    lsp_store: Entity<LspStore>,
 235    _subscriptions: Vec<gpui::Subscription>,
 236    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 237    git_diff_debouncer: DebouncedDelay<Self>,
 238    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 239    terminals: Terminals,
 240    node: Option<NodeRuntime>,
 241    search_history: SearchHistory,
 242    search_included_history: SearchHistory,
 243    search_excluded_history: SearchHistory,
 244    snippets: Entity<SnippetProvider>,
 245    environment: Entity<ProjectEnvironment>,
 246    settings_observer: Entity<SettingsObserver>,
 247    toolchain_store: Option<Entity<ToolchainStore>>,
 248    agent_location: Option<AgentLocation>,
 249    downloading_files: Arc<Mutex<HashMap<(WorktreeId, String), DownloadingFile>>>,
 250    last_worktree_paths: WorktreePaths,
 251}
 252
 253struct DownloadingFile {
 254    destination_path: PathBuf,
 255    chunks: Vec<u8>,
 256    total_size: u64,
 257    file_id: Option<u64>, // Set when we receive the State message
 258}
 259
 260#[derive(Clone, Debug, PartialEq, Eq)]
 261pub struct AgentLocation {
 262    pub buffer: WeakEntity<Buffer>,
 263    pub position: Anchor,
 264}
 265
 266#[derive(Default)]
 267struct RemotelyCreatedModels {
 268    worktrees: Vec<Entity<Worktree>>,
 269    buffers: Vec<Entity<Buffer>>,
 270    retain_count: usize,
 271}
 272
 273struct RemotelyCreatedModelGuard {
 274    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 275}
 276
 277impl Drop for RemotelyCreatedModelGuard {
 278    fn drop(&mut self) {
 279        if let Some(remote_models) = self.remote_models.upgrade() {
 280            let mut remote_models = remote_models.lock();
 281            assert!(
 282                remote_models.retain_count > 0,
 283                "RemotelyCreatedModelGuard dropped too many times"
 284            );
 285            remote_models.retain_count -= 1;
 286            if remote_models.retain_count == 0 {
 287                remote_models.buffers.clear();
 288                remote_models.worktrees.clear();
 289            }
 290        }
 291    }
 292}
 293/// Message ordered with respect to buffer operations
 294#[derive(Debug)]
 295enum BufferOrderedMessage {
 296    Operation {
 297        buffer_id: BufferId,
 298        operation: proto::Operation,
 299    },
 300    LanguageServerUpdate {
 301        language_server_id: LanguageServerId,
 302        message: proto::update_language_server::Variant,
 303        name: Option<LanguageServerName>,
 304    },
 305    Resync,
 306}
 307
 308#[derive(Debug)]
 309enum ProjectClientState {
 310    /// Single-player mode.
 311    Local,
 312    /// Multi-player mode but still a local project.
 313    Shared { remote_id: u64 },
 314    /// Multi-player mode but working on a remote project.
 315    Collab {
 316        sharing_has_stopped: bool,
 317        capability: Capability,
 318        remote_id: u64,
 319        replica_id: ReplicaId,
 320    },
 321}
 322
 323/// A link to display in a toast notification, useful to point to documentation.
 324#[derive(PartialEq, Debug, Clone)]
 325pub struct ToastLink {
 326    pub label: &'static str,
 327    pub url: &'static str,
 328}
 329
 330#[derive(Clone, Debug, PartialEq)]
 331pub enum Event {
 332    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 333    LanguageServerRemoved(LanguageServerId),
 334    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 335    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 336    // Zed's buffer-related data is updated accordingly.
 337    LanguageServerBufferRegistered {
 338        server_id: LanguageServerId,
 339        buffer_id: BufferId,
 340        buffer_abs_path: PathBuf,
 341        name: Option<LanguageServerName>,
 342    },
 343    ToggleLspLogs {
 344        server_id: LanguageServerId,
 345        enabled: bool,
 346        toggled_log_kind: LogKind,
 347    },
 348    Toast {
 349        notification_id: SharedString,
 350        message: String,
 351        /// Optional link to display as a button in the toast.
 352        link: Option<ToastLink>,
 353    },
 354    HideToast {
 355        notification_id: SharedString,
 356    },
 357    LanguageServerPrompt(LanguageServerPromptRequest),
 358    LanguageNotFound(Entity<Buffer>),
 359    ActiveEntryChanged(Option<ProjectEntryId>),
 360    ActivateProjectPanel,
 361    WorktreeAdded(WorktreeId),
 362    WorktreeOrderChanged,
 363    WorktreeRemoved(WorktreeId),
 364    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 365    WorktreeUpdatedRootRepoCommonDir(WorktreeId),
 366    WorktreePathsChanged {
 367        old_worktree_paths: WorktreePaths,
 368    },
 369    DiskBasedDiagnosticsStarted {
 370        language_server_id: LanguageServerId,
 371    },
 372    DiskBasedDiagnosticsFinished {
 373        language_server_id: LanguageServerId,
 374    },
 375    DiagnosticsUpdated {
 376        paths: Vec<ProjectPath>,
 377        language_server_id: LanguageServerId,
 378    },
 379    RemoteIdChanged(Option<u64>),
 380    DisconnectedFromHost,
 381    DisconnectedFromRemote {
 382        server_not_running: bool,
 383    },
 384    Closed,
 385    DeletedEntry(WorktreeId, ProjectEntryId),
 386    CollaboratorUpdated {
 387        old_peer_id: proto::PeerId,
 388        new_peer_id: proto::PeerId,
 389    },
 390    CollaboratorJoined(proto::PeerId),
 391    CollaboratorLeft(proto::PeerId),
 392    HostReshared,
 393    Reshared,
 394    Rejoined,
 395    RefreshInlayHints {
 396        server_id: LanguageServerId,
 397        request_id: Option<usize>,
 398    },
 399    RefreshSemanticTokens {
 400        server_id: LanguageServerId,
 401        request_id: Option<usize>,
 402    },
 403    RefreshCodeLens,
 404    RevealInProjectPanel(ProjectEntryId),
 405    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 406    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 407    EntryRenamed(ProjectTransaction, ProjectPath, PathBuf),
 408    WorkspaceEditApplied(ProjectTransaction),
 409    AgentLocationChanged,
 410    BufferEdited,
 411}
 412
 413pub struct AgentLocationChanged;
 414
 415pub enum DebugAdapterClientState {
 416    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 417    Running(Arc<DebugAdapterClient>),
 418}
 419
 420#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 421pub struct ProjectPath {
 422    pub worktree_id: WorktreeId,
 423    pub path: Arc<RelPath>,
 424}
 425
 426impl ProjectPath {
 427    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 428        ProjectPath {
 429            worktree_id: value.worktree_id(cx),
 430            path: value.path().clone(),
 431        }
 432    }
 433
 434    pub fn from_proto(p: proto::ProjectPath) -> Option<Self> {
 435        Some(Self {
 436            worktree_id: WorktreeId::from_proto(p.worktree_id),
 437            path: RelPath::from_proto(&p.path).log_err()?,
 438        })
 439    }
 440
 441    pub fn to_proto(&self) -> proto::ProjectPath {
 442        proto::ProjectPath {
 443            worktree_id: self.worktree_id.to_proto(),
 444            path: self.path.as_ref().to_proto(),
 445        }
 446    }
 447
 448    pub fn root_path(worktree_id: WorktreeId) -> Self {
 449        Self {
 450            worktree_id,
 451            path: RelPath::empty().into(),
 452        }
 453    }
 454
 455    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 456        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 457    }
 458}
 459
 460#[derive(Debug, Default)]
 461pub enum PrepareRenameResponse {
 462    Success(Range<Anchor>),
 463    OnlyUnpreparedRenameSupported,
 464    #[default]
 465    InvalidPosition,
 466}
 467
 468#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 469pub enum InlayId {
 470    EditPrediction(usize),
 471    DebuggerValue(usize),
 472    // LSP
 473    Hint(usize),
 474    Color(usize),
 475    ReplResult(usize),
 476}
 477
 478impl InlayId {
 479    pub fn id(&self) -> usize {
 480        match self {
 481            Self::EditPrediction(id) => *id,
 482            Self::DebuggerValue(id) => *id,
 483            Self::Hint(id) => *id,
 484            Self::Color(id) => *id,
 485            Self::ReplResult(id) => *id,
 486        }
 487    }
 488}
 489
 490#[derive(Debug, Clone, PartialEq, Eq)]
 491pub struct InlayHint {
 492    pub position: language::Anchor,
 493    pub label: InlayHintLabel,
 494    pub kind: Option<InlayHintKind>,
 495    pub padding_left: bool,
 496    pub padding_right: bool,
 497    pub tooltip: Option<InlayHintTooltip>,
 498    pub resolve_state: ResolveState,
 499}
 500
 501/// The user's intent behind a given completion confirmation.
 502#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 503pub enum CompletionIntent {
 504    /// The user intends to 'commit' this result, if possible.
 505    /// Completion confirmations should run side effects.
 506    ///
 507    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 508    Complete,
 509    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 510    CompleteWithInsert,
 511    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 512    CompleteWithReplace,
 513    /// The user intends to continue 'composing' this completion.
 514    /// Completion confirmations should not run side effects and
 515    /// let the user continue composing their action.
 516    Compose,
 517}
 518
 519impl CompletionIntent {
 520    pub fn is_complete(&self) -> bool {
 521        self == &Self::Complete
 522    }
 523
 524    pub fn is_compose(&self) -> bool {
 525        self == &Self::Compose
 526    }
 527}
 528
 529/// Similar to `CoreCompletion`, but with extra metadata attached.
 530#[derive(Clone)]
 531pub struct Completion {
 532    /// The range of text that will be replaced by this completion.
 533    pub replace_range: Range<Anchor>,
 534    /// The new text that will be inserted.
 535    pub new_text: String,
 536    /// A label for this completion that is shown in the menu.
 537    pub label: CodeLabel,
 538    /// The documentation for this completion.
 539    pub documentation: Option<CompletionDocumentation>,
 540    /// Completion data source which it was constructed from.
 541    pub source: CompletionSource,
 542    /// A path to an icon for this completion that is shown in the menu.
 543    pub icon_path: Option<SharedString>,
 544    /// Text starting here and ending at the cursor will be used as the query for filtering this completion.
 545    ///
 546    /// If None, the start of the surrounding word is used.
 547    pub match_start: Option<text::Anchor>,
 548    /// Key used for de-duplicating snippets. If None, always considered unique.
 549    pub snippet_deduplication_key: Option<(usize, usize)>,
 550    /// Whether to adjust indentation (the default) or not.
 551    pub insert_text_mode: Option<InsertTextMode>,
 552    /// An optional callback to invoke when this completion is confirmed.
 553    /// Returns whether new completions should be retriggered after the current one.
 554    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 555    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 556    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 557}
 558
 559#[derive(Debug, Clone)]
 560pub enum CompletionSource {
 561    Lsp {
 562        /// The alternate `insert` range, if provided by the LSP server.
 563        insert_range: Option<Range<Anchor>>,
 564        /// The id of the language server that produced this completion.
 565        server_id: LanguageServerId,
 566        /// The raw completion provided by the language server.
 567        lsp_completion: Box<lsp::CompletionItem>,
 568        /// A set of defaults for this completion item.
 569        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 570        /// Whether this completion has been resolved, to ensure it happens once per completion.
 571        resolved: bool,
 572    },
 573    Dap {
 574        /// The sort text for this completion.
 575        sort_text: String,
 576    },
 577    Custom,
 578    BufferWord {
 579        word_range: Range<Anchor>,
 580        resolved: bool,
 581    },
 582}
 583
 584impl CompletionSource {
 585    pub fn server_id(&self) -> Option<LanguageServerId> {
 586        if let CompletionSource::Lsp { server_id, .. } = self {
 587            Some(*server_id)
 588        } else {
 589            None
 590        }
 591    }
 592
 593    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 594        if let Self::Lsp {
 595            lsp_completion,
 596            lsp_defaults,
 597            ..
 598        } = self
 599        {
 600            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
 601                let mut completion_with_defaults = *lsp_completion.clone();
 602                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 603                let default_edit_range = lsp_defaults.edit_range.as_ref();
 604                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 605                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 606
 607                if default_commit_characters.is_some()
 608                    || default_edit_range.is_some()
 609                    || default_insert_text_format.is_some()
 610                    || default_insert_text_mode.is_some()
 611                {
 612                    if completion_with_defaults.commit_characters.is_none()
 613                        && default_commit_characters.is_some()
 614                    {
 615                        completion_with_defaults.commit_characters =
 616                            default_commit_characters.cloned()
 617                    }
 618                    if completion_with_defaults.text_edit.is_none() {
 619                        match default_edit_range {
 620                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 621                                completion_with_defaults.text_edit =
 622                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 623                                        range: *range,
 624                                        new_text: completion_with_defaults.label.clone(),
 625                                    }))
 626                            }
 627                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 628                                insert,
 629                                replace,
 630                            }) => {
 631                                completion_with_defaults.text_edit =
 632                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 633                                        lsp::InsertReplaceEdit {
 634                                            new_text: completion_with_defaults.label.clone(),
 635                                            insert: *insert,
 636                                            replace: *replace,
 637                                        },
 638                                    ))
 639                            }
 640                            None => {}
 641                        }
 642                    }
 643                    if completion_with_defaults.insert_text_format.is_none()
 644                        && default_insert_text_format.is_some()
 645                    {
 646                        completion_with_defaults.insert_text_format =
 647                            default_insert_text_format.cloned()
 648                    }
 649                    if completion_with_defaults.insert_text_mode.is_none()
 650                        && default_insert_text_mode.is_some()
 651                    {
 652                        completion_with_defaults.insert_text_mode =
 653                            default_insert_text_mode.cloned()
 654                    }
 655                }
 656                return Some(Cow::Owned(completion_with_defaults));
 657            }
 658            Some(Cow::Borrowed(lsp_completion))
 659        } else {
 660            None
 661        }
 662    }
 663}
 664
 665impl std::fmt::Debug for Completion {
 666    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 667        f.debug_struct("Completion")
 668            .field("replace_range", &self.replace_range)
 669            .field("new_text", &self.new_text)
 670            .field("label", &self.label)
 671            .field("documentation", &self.documentation)
 672            .field("source", &self.source)
 673            .finish()
 674    }
 675}
 676
 677/// Response from a source of completions.
 678pub struct CompletionResponse {
 679    pub completions: Vec<Completion>,
 680    pub display_options: CompletionDisplayOptions,
 681    /// When false, indicates that the list is complete and does not need to be re-queried if it
 682    /// can be filtered instead.
 683    pub is_incomplete: bool,
 684}
 685
 686#[derive(Default)]
 687pub struct CompletionDisplayOptions {
 688    pub dynamic_width: bool,
 689}
 690
 691impl CompletionDisplayOptions {
 692    pub fn merge(&mut self, other: &CompletionDisplayOptions) {
 693        self.dynamic_width = self.dynamic_width && other.dynamic_width;
 694    }
 695}
 696
 697/// Response from language server completion request.
 698#[derive(Clone, Debug, Default)]
 699pub(crate) struct CoreCompletionResponse {
 700    pub completions: Vec<CoreCompletion>,
 701    /// When false, indicates that the list is complete and does not need to be re-queried if it
 702    /// can be filtered instead.
 703    pub is_incomplete: bool,
 704}
 705
 706/// A generic completion that can come from different sources.
 707#[derive(Clone, Debug)]
 708pub(crate) struct CoreCompletion {
 709    replace_range: Range<Anchor>,
 710    new_text: String,
 711    source: CompletionSource,
 712}
 713
 714/// A code action provided by a language server.
 715#[derive(Clone, Debug, PartialEq)]
 716pub struct CodeAction {
 717    /// The id of the language server that produced this code action.
 718    pub server_id: LanguageServerId,
 719    /// The range of the buffer where this code action is applicable.
 720    pub range: Range<Anchor>,
 721    /// The raw code action provided by the language server.
 722    /// Can be either an action or a command.
 723    pub lsp_action: LspAction,
 724    /// Whether the action needs to be resolved using the language server.
 725    pub resolved: bool,
 726}
 727
 728/// An action sent back by a language server.
 729#[derive(Clone, Debug, PartialEq)]
 730pub enum LspAction {
 731    /// An action with the full data, may have a command or may not.
 732    /// May require resolving.
 733    Action(Box<lsp::CodeAction>),
 734    /// A command data to run as an action.
 735    Command(lsp::Command),
 736    /// A code lens data to run as an action.
 737    CodeLens(lsp::CodeLens),
 738}
 739
 740impl LspAction {
 741    pub fn title(&self) -> &str {
 742        match self {
 743            Self::Action(action) => &action.title,
 744            Self::Command(command) => &command.title,
 745            Self::CodeLens(lens) => lens
 746                .command
 747                .as_ref()
 748                .map(|command| command.title.as_str())
 749                .unwrap_or("Unknown command"),
 750        }
 751    }
 752
 753    pub fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 754        match self {
 755            Self::Action(action) => action.kind.clone(),
 756            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 757            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 758        }
 759    }
 760
 761    pub fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 762        match self {
 763            Self::Action(action) => action.edit.as_ref(),
 764            Self::Command(_) => None,
 765            Self::CodeLens(_) => None,
 766        }
 767    }
 768
 769    pub fn command(&self) -> Option<&lsp::Command> {
 770        match self {
 771            Self::Action(action) => action.command.as_ref(),
 772            Self::Command(command) => Some(command),
 773            Self::CodeLens(lens) => lens.command.as_ref(),
 774        }
 775    }
 776}
 777
 778#[derive(Debug, Clone, PartialEq, Eq)]
 779pub enum ResolveState {
 780    Resolved,
 781    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 782    Resolving,
 783}
 784impl InlayHint {
 785    pub fn text(&self) -> Rope {
 786        match &self.label {
 787            InlayHintLabel::String(s) => Rope::from(s),
 788            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
 789        }
 790    }
 791}
 792
 793#[derive(Debug, Clone, PartialEq, Eq)]
 794pub enum InlayHintLabel {
 795    String(String),
 796    LabelParts(Vec<InlayHintLabelPart>),
 797}
 798
 799#[derive(Debug, Clone, PartialEq, Eq)]
 800pub struct InlayHintLabelPart {
 801    pub value: String,
 802    pub tooltip: Option<InlayHintLabelPartTooltip>,
 803    pub location: Option<(LanguageServerId, lsp::Location)>,
 804}
 805
 806#[derive(Debug, Clone, PartialEq, Eq)]
 807pub enum InlayHintTooltip {
 808    String(String),
 809    MarkupContent(MarkupContent),
 810}
 811
 812#[derive(Debug, Clone, PartialEq, Eq)]
 813pub enum InlayHintLabelPartTooltip {
 814    String(String),
 815    MarkupContent(MarkupContent),
 816}
 817
 818#[derive(Debug, Clone, PartialEq, Eq)]
 819pub struct MarkupContent {
 820    pub kind: HoverBlockKind,
 821    pub value: String,
 822}
 823
 824#[derive(Debug, Clone, PartialEq)]
 825pub struct LocationLink {
 826    pub origin: Option<Location>,
 827    pub target: Location,
 828}
 829
 830#[derive(Debug)]
 831pub struct DocumentHighlight {
 832    pub range: Range<language::Anchor>,
 833    pub kind: DocumentHighlightKind,
 834}
 835
 836#[derive(Clone, Debug)]
 837pub struct Symbol {
 838    pub language_server_name: LanguageServerName,
 839    pub source_worktree_id: WorktreeId,
 840    pub source_language_server_id: LanguageServerId,
 841    pub path: SymbolLocation,
 842    pub label: CodeLabel,
 843    pub name: String,
 844    pub kind: lsp::SymbolKind,
 845    pub range: Range<Unclipped<PointUtf16>>,
 846    pub container_name: Option<String>,
 847}
 848
 849#[derive(Clone, Debug)]
 850pub struct DocumentSymbol {
 851    pub name: String,
 852    pub kind: lsp::SymbolKind,
 853    pub range: Range<Unclipped<PointUtf16>>,
 854    pub selection_range: Range<Unclipped<PointUtf16>>,
 855    pub children: Vec<DocumentSymbol>,
 856}
 857
 858#[derive(Clone, Debug, PartialEq)]
 859pub struct HoverBlock {
 860    pub text: String,
 861    pub kind: HoverBlockKind,
 862}
 863
 864#[derive(Clone, Debug, PartialEq, Eq)]
 865pub enum HoverBlockKind {
 866    PlainText,
 867    Markdown,
 868    Code { language: String },
 869}
 870
 871#[derive(Debug, Clone)]
 872pub struct Hover {
 873    pub contents: Vec<HoverBlock>,
 874    pub range: Option<Range<language::Anchor>>,
 875    pub language: Option<Arc<Language>>,
 876}
 877
 878impl Hover {
 879    pub fn is_empty(&self) -> bool {
 880        self.contents.iter().all(|block| block.text.is_empty())
 881    }
 882}
 883
 884enum EntitySubscription {
 885    Project(PendingEntitySubscription<Project>),
 886    BufferStore(PendingEntitySubscription<BufferStore>),
 887    GitStore(PendingEntitySubscription<GitStore>),
 888    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 889    LspStore(PendingEntitySubscription<LspStore>),
 890    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 891    DapStore(PendingEntitySubscription<DapStore>),
 892    BreakpointStore(PendingEntitySubscription<BreakpointStore>),
 893}
 894
 895#[derive(Debug, Clone)]
 896pub struct DirectoryItem {
 897    pub path: PathBuf,
 898    pub is_dir: bool,
 899}
 900
 901#[derive(Clone, Debug, PartialEq)]
 902pub struct DocumentColor {
 903    pub lsp_range: lsp::Range,
 904    pub color: lsp::Color,
 905    pub resolved: bool,
 906    pub color_presentations: Vec<ColorPresentation>,
 907}
 908
 909impl Eq for DocumentColor {}
 910
 911impl std::hash::Hash for DocumentColor {
 912    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 913        self.lsp_range.hash(state);
 914        self.color.red.to_bits().hash(state);
 915        self.color.green.to_bits().hash(state);
 916        self.color.blue.to_bits().hash(state);
 917        self.color.alpha.to_bits().hash(state);
 918        self.resolved.hash(state);
 919        self.color_presentations.hash(state);
 920    }
 921}
 922
 923#[derive(Clone, Debug, PartialEq, Eq)]
 924pub struct ColorPresentation {
 925    pub label: SharedString,
 926    pub text_edit: Option<lsp::TextEdit>,
 927    pub additional_text_edits: Vec<lsp::TextEdit>,
 928}
 929
 930impl std::hash::Hash for ColorPresentation {
 931    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 932        self.label.hash(state);
 933        if let Some(ref edit) = self.text_edit {
 934            edit.range.hash(state);
 935            edit.new_text.hash(state);
 936        }
 937        self.additional_text_edits.len().hash(state);
 938        for edit in &self.additional_text_edits {
 939            edit.range.hash(state);
 940            edit.new_text.hash(state);
 941        }
 942    }
 943}
 944
 945#[derive(Clone)]
 946pub enum DirectoryLister {
 947    Project(Entity<Project>),
 948    Local(Entity<Project>, Arc<dyn Fs>),
 949}
 950
 951impl std::fmt::Debug for DirectoryLister {
 952    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 953        match self {
 954            DirectoryLister::Project(project) => {
 955                write!(f, "DirectoryLister::Project({project:?})")
 956            }
 957            DirectoryLister::Local(project, _) => {
 958                write!(f, "DirectoryLister::Local({project:?})")
 959            }
 960        }
 961    }
 962}
 963
 964impl DirectoryLister {
 965    pub fn is_local(&self, cx: &App) -> bool {
 966        match self {
 967            DirectoryLister::Local(..) => true,
 968            DirectoryLister::Project(project) => project.read(cx).is_local(),
 969        }
 970    }
 971
 972    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 973        if self.is_local(cx) {
 974            shellexpand::tilde(path)
 975        } else {
 976            Cow::from(path)
 977        }
 978    }
 979
 980    pub fn default_query(&self, cx: &mut App) -> String {
 981        let project = match self {
 982            DirectoryLister::Project(project) => project,
 983            DirectoryLister::Local(project, _) => project,
 984        }
 985        .read(cx);
 986        let path_style = project.path_style(cx);
 987        project
 988            .visible_worktrees(cx)
 989            .next()
 990            .map(|worktree| worktree.read(cx).abs_path().to_string_lossy().into_owned())
 991            .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().into_owned()))
 992            .map(|mut s| {
 993                s.push_str(path_style.primary_separator());
 994                s
 995            })
 996            .unwrap_or_else(|| {
 997                if path_style.is_windows() {
 998                    "C:\\"
 999                } else {
1000                    "~/"
1001                }
1002                .to_string()
1003            })
1004    }
1005
1006    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
1007        match self {
1008            DirectoryLister::Project(project) => {
1009                project.update(cx, |project, cx| project.list_directory(path, cx))
1010            }
1011            DirectoryLister::Local(_, fs) => {
1012                let fs = fs.clone();
1013                cx.background_spawn(async move {
1014                    let mut results = vec![];
1015                    let expanded = shellexpand::tilde(&path);
1016                    let query = Path::new(expanded.as_ref());
1017                    let mut response = fs.read_dir(query).await?;
1018                    while let Some(path) = response.next().await {
1019                        let path = path?;
1020                        if let Some(file_name) = path.file_name() {
1021                            results.push(DirectoryItem {
1022                                path: PathBuf::from(file_name.to_os_string()),
1023                                is_dir: fs.is_dir(&path).await,
1024                            });
1025                        }
1026                    }
1027                    Ok(results)
1028                })
1029            }
1030        }
1031    }
1032
1033    pub fn path_style(&self, cx: &App) -> PathStyle {
1034        match self {
1035            Self::Local(project, ..) | Self::Project(project, ..) => {
1036                project.read(cx).path_style(cx)
1037            }
1038        }
1039    }
1040}
1041
1042pub const CURRENT_PROJECT_FEATURES: &[&str] = &["new-style-anchors"];
1043
1044#[cfg(feature = "test-support")]
1045pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
1046    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
1047    trigger_character: None,
1048};
1049
1050/// An LSP diagnostics associated with a certain language server.
1051#[derive(Clone, Debug, Default)]
1052pub enum LspPullDiagnostics {
1053    #[default]
1054    Default,
1055    Response {
1056        /// The id of the language server that produced diagnostics.
1057        server_id: LanguageServerId,
1058        /// URI of the resource,
1059        uri: lsp::Uri,
1060        /// The ID provided by the dynamic registration that produced diagnostics.
1061        registration_id: Option<SharedString>,
1062        /// The diagnostics produced by this language server.
1063        diagnostics: PulledDiagnostics,
1064    },
1065}
1066
1067#[derive(Clone, Debug)]
1068pub enum PulledDiagnostics {
1069    Unchanged {
1070        /// An ID the current pulled batch for this file.
1071        /// If given, can be used to query workspace diagnostics partially.
1072        result_id: SharedString,
1073    },
1074    Changed {
1075        result_id: Option<SharedString>,
1076        diagnostics: Vec<lsp::Diagnostic>,
1077    },
1078}
1079
1080/// Whether to disable all AI features in Zed.
1081///
1082/// Default: false
1083#[derive(Copy, Clone, Debug, RegisterSetting)]
1084pub struct DisableAiSettings {
1085    pub disable_ai: bool,
1086}
1087
1088impl settings::Settings for DisableAiSettings {
1089    fn from_settings(content: &settings::SettingsContent) -> Self {
1090        Self {
1091            disable_ai: content.project.disable_ai.unwrap().0,
1092        }
1093    }
1094}
1095
1096impl DisableAiSettings {
1097    /// Returns whether AI is disabled for the given file.
1098    ///
1099    /// This checks the project-level settings for the file's worktree,
1100    /// allowing `disable_ai` to be configured per-project in `.zed/settings.json`.
1101    pub fn is_ai_disabled_for_buffer(buffer: Option<&Entity<Buffer>>, cx: &App) -> bool {
1102        Self::is_ai_disabled_for_file(buffer.and_then(|buffer| buffer.read(cx).file()), cx)
1103    }
1104
1105    pub fn is_ai_disabled_for_file(file: Option<&Arc<dyn language::File>>, cx: &App) -> bool {
1106        let location = file.map(|f| settings::SettingsLocation {
1107            worktree_id: f.worktree_id(cx),
1108            path: f.path().as_ref(),
1109        });
1110        Self::get(location, cx).disable_ai
1111    }
1112}
1113
1114impl Project {
1115    pub fn init(client: &Arc<Client>, cx: &mut App) {
1116        connection_manager::init(client.clone(), cx);
1117
1118        let client: AnyProtoClient = client.clone().into();
1119        client.add_entity_message_handler(Self::handle_add_collaborator);
1120        client.add_entity_message_handler(Self::handle_update_project_collaborator);
1121        client.add_entity_message_handler(Self::handle_remove_collaborator);
1122        client.add_entity_message_handler(Self::handle_update_project);
1123        client.add_entity_message_handler(Self::handle_unshare_project);
1124        client.add_entity_request_handler(Self::handle_update_buffer);
1125        client.add_entity_message_handler(Self::handle_update_worktree);
1126        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1127
1128        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1129        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1130        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1131        client.add_entity_request_handler(Self::handle_open_new_buffer);
1132        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1133        client.add_entity_message_handler(Self::handle_toggle_lsp_logs);
1134        client.add_entity_message_handler(Self::handle_create_image_for_peer);
1135        client.add_entity_request_handler(Self::handle_find_search_candidates_chunk);
1136        client.add_entity_message_handler(Self::handle_find_search_candidates_cancel);
1137        client.add_entity_message_handler(Self::handle_create_file_for_peer);
1138
1139        WorktreeStore::init(&client);
1140        BufferStore::init(&client);
1141        LspStore::init(&client);
1142        GitStore::init(&client);
1143        SettingsObserver::init(&client);
1144        TaskStore::init(Some(&client));
1145        ToolchainStore::init(&client);
1146        DapStore::init(&client, cx);
1147        BreakpointStore::init(&client);
1148        context_server_store::init(cx);
1149    }
1150
1151    pub fn local(
1152        client: Arc<Client>,
1153        node: NodeRuntime,
1154        user_store: Entity<UserStore>,
1155        languages: Arc<LanguageRegistry>,
1156        fs: Arc<dyn Fs>,
1157        env: Option<HashMap<String, String>>,
1158        flags: LocalProjectFlags,
1159        cx: &mut App,
1160    ) -> Entity<Self> {
1161        cx.new(|cx: &mut Context<Self>| {
1162            let (tx, rx) = mpsc::unbounded();
1163            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1164                .detach();
1165            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1166            let worktree_store =
1167                cx.new(|cx| WorktreeStore::local(false, fs.clone(), WorktreeIdCounter::get(cx)));
1168            if flags.init_worktree_trust {
1169                trusted_worktrees::track_worktree_trust(
1170                    worktree_store.clone(),
1171                    None,
1172                    None,
1173                    None,
1174                    cx,
1175                );
1176            }
1177            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1178                .detach();
1179
1180            let weak_self = cx.weak_entity();
1181            let context_server_store = cx.new(|cx| {
1182                ContextServerStore::local(
1183                    worktree_store.clone(),
1184                    Some(weak_self.clone()),
1185                    false,
1186                    cx,
1187                )
1188            });
1189
1190            let environment = cx.new(|cx| {
1191                ProjectEnvironment::new(env, worktree_store.downgrade(), None, false, cx)
1192            });
1193            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1194            let toolchain_store = cx.new(|cx| {
1195                ToolchainStore::local(
1196                    languages.clone(),
1197                    worktree_store.clone(),
1198                    environment.clone(),
1199                    manifest_tree.clone(),
1200                    cx,
1201                )
1202            });
1203
1204            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1205            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1206                .detach();
1207
1208            let breakpoint_store =
1209                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1210
1211            let dap_store = cx.new(|cx| {
1212                DapStore::new_local(
1213                    client.http_client(),
1214                    node.clone(),
1215                    fs.clone(),
1216                    environment.clone(),
1217                    toolchain_store.read(cx).as_language_toolchain_store(),
1218                    worktree_store.clone(),
1219                    breakpoint_store.clone(),
1220                    false,
1221                    cx,
1222                )
1223            });
1224            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1225
1226            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1227            cx.subscribe(&image_store, Self::on_image_store_event)
1228                .detach();
1229
1230            let prettier_store = cx.new(|cx| {
1231                PrettierStore::new(
1232                    node.clone(),
1233                    fs.clone(),
1234                    languages.clone(),
1235                    worktree_store.clone(),
1236                    cx,
1237                )
1238            });
1239
1240            let git_store = cx.new(|cx| {
1241                GitStore::local(
1242                    &worktree_store,
1243                    buffer_store.clone(),
1244                    environment.clone(),
1245                    fs.clone(),
1246                    cx,
1247                )
1248            });
1249
1250            let task_store = cx.new(|cx| {
1251                TaskStore::local(
1252                    buffer_store.downgrade(),
1253                    worktree_store.clone(),
1254                    toolchain_store.read(cx).as_language_toolchain_store(),
1255                    environment.clone(),
1256                    git_store.clone(),
1257                    cx,
1258                )
1259            });
1260
1261            let settings_observer = cx.new(|cx| {
1262                SettingsObserver::new_local(
1263                    fs.clone(),
1264                    worktree_store.clone(),
1265                    task_store.clone(),
1266                    flags.watch_global_configs,
1267                    cx,
1268                )
1269            });
1270            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1271                .detach();
1272
1273            let lsp_store = cx.new(|cx| {
1274                LspStore::new_local(
1275                    buffer_store.clone(),
1276                    worktree_store.clone(),
1277                    prettier_store.clone(),
1278                    toolchain_store
1279                        .read(cx)
1280                        .as_local_store()
1281                        .expect("Toolchain store to be local")
1282                        .clone(),
1283                    environment.clone(),
1284                    manifest_tree,
1285                    languages.clone(),
1286                    client.http_client(),
1287                    fs.clone(),
1288                    cx,
1289                )
1290            });
1291
1292            let agent_server_store = cx.new(|cx| {
1293                AgentServerStore::local(
1294                    node.clone(),
1295                    fs.clone(),
1296                    environment.clone(),
1297                    client.http_client(),
1298                    cx,
1299                )
1300            });
1301
1302            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1303
1304            Self {
1305                buffer_ordered_messages_tx: tx,
1306                collaborators: Default::default(),
1307                worktree_store,
1308                buffer_store,
1309                image_store,
1310                lsp_store,
1311                context_server_store,
1312                join_project_response_message_id: 0,
1313                client_state: ProjectClientState::Local,
1314                git_store,
1315                client_subscriptions: Vec::new(),
1316                _subscriptions: vec![cx.on_release(Self::release)],
1317                active_entry: None,
1318                snippets,
1319                languages,
1320                collab_client: client,
1321                task_store,
1322                user_store,
1323                settings_observer,
1324                fs,
1325                remote_client: None,
1326                breakpoint_store,
1327                dap_store,
1328                agent_server_store,
1329
1330                buffers_needing_diff: Default::default(),
1331                git_diff_debouncer: DebouncedDelay::new(),
1332                terminals: Terminals {
1333                    local_handles: Vec::new(),
1334                },
1335                node: Some(node),
1336                search_history: Self::new_search_history(),
1337                environment,
1338                remotely_created_models: Default::default(),
1339
1340                search_included_history: Self::new_search_history(),
1341                search_excluded_history: Self::new_search_history(),
1342
1343                toolchain_store: Some(toolchain_store),
1344
1345                agent_location: None,
1346                downloading_files: Default::default(),
1347                last_worktree_paths: WorktreePaths::default(),
1348            }
1349        })
1350    }
1351
1352    pub fn remote(
1353        remote: Entity<RemoteClient>,
1354        client: Arc<Client>,
1355        node: NodeRuntime,
1356        user_store: Entity<UserStore>,
1357        languages: Arc<LanguageRegistry>,
1358        fs: Arc<dyn Fs>,
1359        init_worktree_trust: bool,
1360        cx: &mut App,
1361    ) -> Entity<Self> {
1362        cx.new(|cx: &mut Context<Self>| {
1363            let (tx, rx) = mpsc::unbounded();
1364            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1365                .detach();
1366            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1367
1368            let (remote_proto, path_style, connection_options) =
1369                remote.read_with(cx, |remote, _| {
1370                    (
1371                        remote.proto_client(),
1372                        remote.path_style(),
1373                        remote.connection_options(),
1374                    )
1375                });
1376            let worktree_store = cx.new(|cx| {
1377                WorktreeStore::remote(
1378                    false,
1379                    remote_proto.clone(),
1380                    REMOTE_SERVER_PROJECT_ID,
1381                    path_style,
1382                    WorktreeIdCounter::get(cx),
1383                )
1384            });
1385
1386            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1387                .detach();
1388            if init_worktree_trust {
1389                trusted_worktrees::track_worktree_trust(
1390                    worktree_store.clone(),
1391                    Some(RemoteHostLocation::from(connection_options)),
1392                    None,
1393                    Some((remote_proto.clone(), ProjectId(REMOTE_SERVER_PROJECT_ID))),
1394                    cx,
1395                );
1396            }
1397
1398            let weak_self = cx.weak_entity();
1399
1400            let buffer_store = cx.new(|cx| {
1401                BufferStore::remote(
1402                    worktree_store.clone(),
1403                    remote.read(cx).proto_client(),
1404                    REMOTE_SERVER_PROJECT_ID,
1405                    cx,
1406                )
1407            });
1408            let image_store = cx.new(|cx| {
1409                ImageStore::remote(
1410                    worktree_store.clone(),
1411                    remote.read(cx).proto_client(),
1412                    REMOTE_SERVER_PROJECT_ID,
1413                    cx,
1414                )
1415            });
1416            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1417                .detach();
1418            let toolchain_store = cx.new(|cx| {
1419                ToolchainStore::remote(
1420                    REMOTE_SERVER_PROJECT_ID,
1421                    worktree_store.clone(),
1422                    remote.read(cx).proto_client(),
1423                    cx,
1424                )
1425            });
1426
1427            let context_server_store = cx.new(|cx| {
1428                ContextServerStore::remote(
1429                    rpc::proto::REMOTE_SERVER_PROJECT_ID,
1430                    remote.clone(),
1431                    worktree_store.clone(),
1432                    Some(weak_self.clone()),
1433                    cx,
1434                )
1435            });
1436
1437            let environment = cx.new(|cx| {
1438                ProjectEnvironment::new(
1439                    None,
1440                    worktree_store.downgrade(),
1441                    Some(remote.downgrade()),
1442                    false,
1443                    cx,
1444                )
1445            });
1446
1447            let lsp_store = cx.new(|cx| {
1448                LspStore::new_remote(
1449                    buffer_store.clone(),
1450                    worktree_store.clone(),
1451                    languages.clone(),
1452                    remote_proto.clone(),
1453                    REMOTE_SERVER_PROJECT_ID,
1454                    cx,
1455                )
1456            });
1457            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1458
1459            let breakpoint_store = cx.new(|_| {
1460                BreakpointStore::remote(
1461                    REMOTE_SERVER_PROJECT_ID,
1462                    remote_proto.clone(),
1463                    buffer_store.clone(),
1464                    worktree_store.clone(),
1465                )
1466            });
1467
1468            let dap_store = cx.new(|cx| {
1469                DapStore::new_remote(
1470                    REMOTE_SERVER_PROJECT_ID,
1471                    remote.clone(),
1472                    breakpoint_store.clone(),
1473                    worktree_store.clone(),
1474                    node.clone(),
1475                    client.http_client(),
1476                    fs.clone(),
1477                    cx,
1478                )
1479            });
1480
1481            let git_store = cx.new(|cx| {
1482                GitStore::remote(
1483                    &worktree_store,
1484                    buffer_store.clone(),
1485                    remote_proto.clone(),
1486                    REMOTE_SERVER_PROJECT_ID,
1487                    cx,
1488                )
1489            });
1490
1491            let task_store = cx.new(|cx| {
1492                TaskStore::remote(
1493                    buffer_store.downgrade(),
1494                    worktree_store.clone(),
1495                    toolchain_store.read(cx).as_language_toolchain_store(),
1496                    remote.read(cx).proto_client(),
1497                    REMOTE_SERVER_PROJECT_ID,
1498                    git_store.clone(),
1499                    cx,
1500                )
1501            });
1502
1503            let settings_observer = cx.new(|cx| {
1504                SettingsObserver::new_remote(
1505                    fs.clone(),
1506                    worktree_store.clone(),
1507                    task_store.clone(),
1508                    Some(remote_proto.clone()),
1509                    false,
1510                    cx,
1511                )
1512            });
1513            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1514                .detach();
1515
1516            let agent_server_store = cx.new(|_| {
1517                AgentServerStore::remote(
1518                    REMOTE_SERVER_PROJECT_ID,
1519                    remote.clone(),
1520                    worktree_store.clone(),
1521                )
1522            });
1523
1524            cx.subscribe(&remote, Self::on_remote_client_event).detach();
1525
1526            let this = Self {
1527                buffer_ordered_messages_tx: tx,
1528                collaborators: Default::default(),
1529                worktree_store,
1530                buffer_store,
1531                image_store,
1532                lsp_store,
1533                context_server_store,
1534                breakpoint_store,
1535                dap_store,
1536                join_project_response_message_id: 0,
1537                client_state: ProjectClientState::Local,
1538                git_store,
1539                agent_server_store,
1540                client_subscriptions: Vec::new(),
1541                _subscriptions: vec![
1542                    cx.on_release(Self::release),
1543                    cx.on_app_quit(|this, cx| {
1544                        let shutdown = this.remote_client.take().and_then(|client| {
1545                            client.update(cx, |client, cx| {
1546                                client.shutdown_processes(
1547                                    Some(proto::ShutdownRemoteServer {}),
1548                                    cx.background_executor().clone(),
1549                                )
1550                            })
1551                        });
1552
1553                        cx.background_executor().spawn(async move {
1554                            if let Some(shutdown) = shutdown {
1555                                shutdown.await;
1556                            }
1557                        })
1558                    }),
1559                ],
1560                active_entry: None,
1561                snippets,
1562                languages,
1563                collab_client: client,
1564                task_store,
1565                user_store,
1566                settings_observer,
1567                fs,
1568                remote_client: Some(remote.clone()),
1569                buffers_needing_diff: Default::default(),
1570                git_diff_debouncer: DebouncedDelay::new(),
1571                terminals: Terminals {
1572                    local_handles: Vec::new(),
1573                },
1574                node: Some(node),
1575                search_history: Self::new_search_history(),
1576                environment,
1577                remotely_created_models: Default::default(),
1578
1579                search_included_history: Self::new_search_history(),
1580                search_excluded_history: Self::new_search_history(),
1581
1582                toolchain_store: Some(toolchain_store),
1583                agent_location: None,
1584                downloading_files: Default::default(),
1585                last_worktree_paths: WorktreePaths::default(),
1586            };
1587
1588            // remote server -> local machine handlers
1589            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &cx.entity());
1590            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.buffer_store);
1591            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.worktree_store);
1592            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.lsp_store);
1593            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.dap_store);
1594            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.breakpoint_store);
1595            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.settings_observer);
1596            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.git_store);
1597            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.agent_server_store);
1598
1599            remote_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1600            remote_proto.add_entity_message_handler(Self::handle_create_image_for_peer);
1601            remote_proto.add_entity_message_handler(Self::handle_create_file_for_peer);
1602            remote_proto.add_entity_message_handler(Self::handle_update_worktree);
1603            remote_proto.add_entity_message_handler(Self::handle_update_project);
1604            remote_proto.add_entity_message_handler(Self::handle_toast);
1605            remote_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1606            remote_proto.add_entity_message_handler(Self::handle_hide_toast);
1607            remote_proto.add_entity_request_handler(Self::handle_update_buffer_from_remote_server);
1608            remote_proto.add_entity_request_handler(Self::handle_trust_worktrees);
1609            remote_proto.add_entity_request_handler(Self::handle_restrict_worktrees);
1610            remote_proto.add_entity_request_handler(Self::handle_find_search_candidates_chunk);
1611
1612            remote_proto.add_entity_message_handler(Self::handle_find_search_candidates_cancel);
1613            BufferStore::init(&remote_proto);
1614            WorktreeStore::init_remote(&remote_proto);
1615            LspStore::init(&remote_proto);
1616            SettingsObserver::init(&remote_proto);
1617            TaskStore::init(Some(&remote_proto));
1618            ToolchainStore::init(&remote_proto);
1619            DapStore::init(&remote_proto, cx);
1620            BreakpointStore::init(&remote_proto);
1621            GitStore::init(&remote_proto);
1622            AgentServerStore::init_remote(&remote_proto);
1623
1624            this
1625        })
1626    }
1627
1628    pub async fn in_room(
1629        remote_id: u64,
1630        client: Arc<Client>,
1631        user_store: Entity<UserStore>,
1632        languages: Arc<LanguageRegistry>,
1633        fs: Arc<dyn Fs>,
1634        cx: AsyncApp,
1635    ) -> Result<Entity<Self>> {
1636        client.connect(true, &cx).await.into_response()?;
1637
1638        let subscriptions = [
1639            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1640            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1641            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1642            EntitySubscription::WorktreeStore(
1643                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1644            ),
1645            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1646            EntitySubscription::SettingsObserver(
1647                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1648            ),
1649            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1650            EntitySubscription::BreakpointStore(
1651                client.subscribe_to_entity::<BreakpointStore>(remote_id)?,
1652            ),
1653        ];
1654        let committer = get_git_committer(&cx).await;
1655        let response = client
1656            .request_envelope(proto::JoinProject {
1657                project_id: remote_id,
1658                committer_email: committer.email,
1659                committer_name: committer.name,
1660                features: CURRENT_PROJECT_FEATURES
1661                    .iter()
1662                    .map(|s| s.to_string())
1663                    .collect(),
1664            })
1665            .await?;
1666        Self::from_join_project_response(
1667            response,
1668            subscriptions,
1669            client,
1670            false,
1671            user_store,
1672            languages,
1673            fs,
1674            cx,
1675        )
1676        .await
1677    }
1678
1679    async fn from_join_project_response(
1680        response: TypedEnvelope<proto::JoinProjectResponse>,
1681        subscriptions: [EntitySubscription; 8],
1682        client: Arc<Client>,
1683        run_tasks: bool,
1684        user_store: Entity<UserStore>,
1685        languages: Arc<LanguageRegistry>,
1686        fs: Arc<dyn Fs>,
1687        mut cx: AsyncApp,
1688    ) -> Result<Entity<Self>> {
1689        let remote_id = response.payload.project_id;
1690        let role = response.payload.role();
1691
1692        let path_style = if response.payload.windows_paths {
1693            PathStyle::Windows
1694        } else {
1695            PathStyle::Posix
1696        };
1697
1698        let worktree_store = cx.new(|cx| {
1699            WorktreeStore::remote(
1700                true,
1701                client.clone().into(),
1702                response.payload.project_id,
1703                path_style,
1704                WorktreeIdCounter::get(cx),
1705            )
1706        });
1707        let buffer_store = cx.new(|cx| {
1708            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1709        });
1710        let image_store = cx.new(|cx| {
1711            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1712        });
1713
1714        let environment =
1715            cx.new(|cx| ProjectEnvironment::new(None, worktree_store.downgrade(), None, true, cx));
1716        let breakpoint_store = cx.new(|_| {
1717            BreakpointStore::remote(
1718                remote_id,
1719                client.clone().into(),
1720                buffer_store.clone(),
1721                worktree_store.clone(),
1722            )
1723        });
1724        let dap_store = cx.new(|cx| {
1725            DapStore::new_collab(
1726                remote_id,
1727                client.clone().into(),
1728                breakpoint_store.clone(),
1729                worktree_store.clone(),
1730                fs.clone(),
1731                cx,
1732            )
1733        });
1734
1735        let lsp_store = cx.new(|cx| {
1736            LspStore::new_remote(
1737                buffer_store.clone(),
1738                worktree_store.clone(),
1739                languages.clone(),
1740                client.clone().into(),
1741                remote_id,
1742                cx,
1743            )
1744        });
1745
1746        let git_store = cx.new(|cx| {
1747            GitStore::remote(
1748                // In this remote case we pass None for the environment
1749                &worktree_store,
1750                buffer_store.clone(),
1751                client.clone().into(),
1752                remote_id,
1753                cx,
1754            )
1755        });
1756
1757        let task_store = cx.new(|cx| {
1758            if run_tasks {
1759                TaskStore::remote(
1760                    buffer_store.downgrade(),
1761                    worktree_store.clone(),
1762                    Arc::new(EmptyToolchainStore),
1763                    client.clone().into(),
1764                    remote_id,
1765                    git_store.clone(),
1766                    cx,
1767                )
1768            } else {
1769                TaskStore::Noop
1770            }
1771        });
1772
1773        let settings_observer = cx.new(|cx| {
1774            SettingsObserver::new_remote(
1775                fs.clone(),
1776                worktree_store.clone(),
1777                task_store.clone(),
1778                None,
1779                true,
1780                cx,
1781            )
1782        });
1783
1784        let agent_server_store = cx.new(|_cx| AgentServerStore::collab());
1785        let replica_id = ReplicaId::new(response.payload.replica_id as u16);
1786
1787        let project = cx.new(|cx| {
1788            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1789
1790            let weak_self = cx.weak_entity();
1791            let context_server_store = cx.new(|cx| {
1792                ContextServerStore::local(worktree_store.clone(), Some(weak_self), false, cx)
1793            });
1794
1795            let mut worktrees = Vec::new();
1796            for worktree in response.payload.worktrees {
1797                let worktree = Worktree::remote(
1798                    remote_id,
1799                    replica_id,
1800                    worktree,
1801                    client.clone().into(),
1802                    path_style,
1803                    cx,
1804                );
1805                worktrees.push(worktree);
1806            }
1807
1808            let (tx, rx) = mpsc::unbounded();
1809            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1810                .detach();
1811
1812            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1813                .detach();
1814
1815            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1816                .detach();
1817            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1818            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1819                .detach();
1820
1821            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1822
1823            let mut project = Self {
1824                buffer_ordered_messages_tx: tx,
1825                buffer_store: buffer_store.clone(),
1826                image_store,
1827                worktree_store: worktree_store.clone(),
1828                lsp_store: lsp_store.clone(),
1829                context_server_store,
1830                active_entry: None,
1831                collaborators: Default::default(),
1832                join_project_response_message_id: response.message_id,
1833                languages,
1834                user_store: user_store.clone(),
1835                task_store,
1836                snippets,
1837                fs,
1838                remote_client: None,
1839                settings_observer: settings_observer.clone(),
1840                client_subscriptions: Default::default(),
1841                _subscriptions: vec![cx.on_release(Self::release)],
1842                collab_client: client.clone(),
1843                client_state: ProjectClientState::Collab {
1844                    sharing_has_stopped: false,
1845                    capability: Capability::ReadWrite,
1846                    remote_id,
1847                    replica_id,
1848                },
1849                breakpoint_store: breakpoint_store.clone(),
1850                dap_store: dap_store.clone(),
1851                git_store: git_store.clone(),
1852                agent_server_store,
1853                buffers_needing_diff: Default::default(),
1854                git_diff_debouncer: DebouncedDelay::new(),
1855                terminals: Terminals {
1856                    local_handles: Vec::new(),
1857                },
1858                node: None,
1859                search_history: Self::new_search_history(),
1860                search_included_history: Self::new_search_history(),
1861                search_excluded_history: Self::new_search_history(),
1862                environment,
1863                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1864                toolchain_store: None,
1865                agent_location: None,
1866                downloading_files: Default::default(),
1867                last_worktree_paths: WorktreePaths::default(),
1868            };
1869            project.set_role(role, cx);
1870            for worktree in worktrees {
1871                project.add_worktree(&worktree, cx);
1872            }
1873            project
1874        });
1875
1876        let weak_project = project.downgrade();
1877        lsp_store.update(&mut cx, |lsp_store, cx| {
1878            lsp_store.set_language_server_statuses_from_proto(
1879                weak_project,
1880                response.payload.language_servers,
1881                response.payload.language_server_capabilities,
1882                cx,
1883            );
1884        });
1885
1886        let subscriptions = subscriptions
1887            .into_iter()
1888            .map(|s| match s {
1889                EntitySubscription::BufferStore(subscription) => {
1890                    subscription.set_entity(&buffer_store, &cx)
1891                }
1892                EntitySubscription::WorktreeStore(subscription) => {
1893                    subscription.set_entity(&worktree_store, &cx)
1894                }
1895                EntitySubscription::GitStore(subscription) => {
1896                    subscription.set_entity(&git_store, &cx)
1897                }
1898                EntitySubscription::SettingsObserver(subscription) => {
1899                    subscription.set_entity(&settings_observer, &cx)
1900                }
1901                EntitySubscription::Project(subscription) => subscription.set_entity(&project, &cx),
1902                EntitySubscription::LspStore(subscription) => {
1903                    subscription.set_entity(&lsp_store, &cx)
1904                }
1905                EntitySubscription::DapStore(subscription) => {
1906                    subscription.set_entity(&dap_store, &cx)
1907                }
1908                EntitySubscription::BreakpointStore(subscription) => {
1909                    subscription.set_entity(&breakpoint_store, &cx)
1910                }
1911            })
1912            .collect::<Vec<_>>();
1913
1914        let user_ids = response
1915            .payload
1916            .collaborators
1917            .iter()
1918            .map(|peer| peer.user_id)
1919            .collect();
1920        user_store
1921            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))
1922            .await?;
1923
1924        project.update(&mut cx, |this, cx| {
1925            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1926            this.client_subscriptions.extend(subscriptions);
1927            anyhow::Ok(())
1928        })?;
1929
1930        Ok(project)
1931    }
1932
1933    fn new_search_history() -> SearchHistory {
1934        SearchHistory::new(
1935            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1936            search_history::QueryInsertionBehavior::AlwaysInsert,
1937        )
1938    }
1939
1940    fn release(&mut self, cx: &mut App) {
1941        if let Some(client) = self.remote_client.take() {
1942            let shutdown = client.update(cx, |client, cx| {
1943                client.shutdown_processes(
1944                    Some(proto::ShutdownRemoteServer {}),
1945                    cx.background_executor().clone(),
1946                )
1947            });
1948
1949            cx.background_spawn(async move {
1950                if let Some(shutdown) = shutdown {
1951                    shutdown.await;
1952                }
1953            })
1954            .detach()
1955        }
1956
1957        match &self.client_state {
1958            ProjectClientState::Local => {}
1959            ProjectClientState::Shared { .. } => {
1960                let _ = self.unshare_internal(cx);
1961            }
1962            ProjectClientState::Collab { remote_id, .. } => {
1963                let _ = self.collab_client.send(proto::LeaveProject {
1964                    project_id: *remote_id,
1965                });
1966                self.disconnected_from_host_internal(cx);
1967            }
1968        }
1969    }
1970
1971    #[cfg(feature = "test-support")]
1972    pub fn client_subscriptions(&self) -> &Vec<client::Subscription> {
1973        &self.client_subscriptions
1974    }
1975
1976    #[cfg(feature = "test-support")]
1977    pub async fn example(
1978        root_paths: impl IntoIterator<Item = &Path>,
1979        cx: &mut AsyncApp,
1980    ) -> Entity<Project> {
1981        use clock::FakeSystemClock;
1982
1983        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1984        let languages = LanguageRegistry::test(cx.background_executor().clone());
1985        let clock = Arc::new(FakeSystemClock::new());
1986        let http_client = http_client::FakeHttpClient::with_404_response();
1987        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1988        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1989        let project = cx.update(|cx| {
1990            Project::local(
1991                client,
1992                node_runtime::NodeRuntime::unavailable(),
1993                user_store,
1994                Arc::new(languages),
1995                fs,
1996                None,
1997                LocalProjectFlags {
1998                    init_worktree_trust: false,
1999                    ..Default::default()
2000                },
2001                cx,
2002            )
2003        });
2004        for path in root_paths {
2005            let (tree, _): (Entity<Worktree>, _) = project
2006                .update(cx, |project, cx| {
2007                    project.find_or_create_worktree(path, true, cx)
2008                })
2009                .await
2010                .unwrap();
2011            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
2012                .await;
2013        }
2014        project
2015    }
2016
2017    #[cfg(feature = "test-support")]
2018    pub async fn test(
2019        fs: Arc<dyn Fs>,
2020        root_paths: impl IntoIterator<Item = &Path>,
2021        cx: &mut gpui::TestAppContext,
2022    ) -> Entity<Project> {
2023        Self::test_project(fs, root_paths, false, cx).await
2024    }
2025
2026    #[cfg(feature = "test-support")]
2027    pub async fn test_with_worktree_trust(
2028        fs: Arc<dyn Fs>,
2029        root_paths: impl IntoIterator<Item = &Path>,
2030        cx: &mut gpui::TestAppContext,
2031    ) -> Entity<Project> {
2032        Self::test_project(fs, root_paths, true, cx).await
2033    }
2034
2035    #[cfg(feature = "test-support")]
2036    async fn test_project(
2037        fs: Arc<dyn Fs>,
2038        root_paths: impl IntoIterator<Item = &Path>,
2039        init_worktree_trust: bool,
2040        cx: &mut gpui::TestAppContext,
2041    ) -> Entity<Project> {
2042        use clock::FakeSystemClock;
2043
2044        let languages = LanguageRegistry::test(cx.executor());
2045        let clock = Arc::new(FakeSystemClock::new());
2046        let http_client = http_client::FakeHttpClient::with_404_response();
2047        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
2048        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
2049        let project = cx.update(|cx| {
2050            Project::local(
2051                client,
2052                node_runtime::NodeRuntime::unavailable(),
2053                user_store,
2054                Arc::new(languages),
2055                fs,
2056                None,
2057                LocalProjectFlags {
2058                    init_worktree_trust,
2059                    ..Default::default()
2060                },
2061                cx,
2062            )
2063        });
2064        for path in root_paths {
2065            let (tree, _) = project
2066                .update(cx, |project, cx| {
2067                    project.find_or_create_worktree(path, true, cx)
2068                })
2069                .await
2070                .unwrap();
2071
2072            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
2073                .await;
2074        }
2075        project
2076    }
2077
2078    #[cfg(any(test, feature = "test-support"))]
2079    pub fn add_test_remote_worktree(
2080        &mut self,
2081        abs_path: &str,
2082        cx: &mut Context<Self>,
2083    ) -> Entity<Worktree> {
2084        use rpc::NoopProtoClient;
2085        use util::paths::PathStyle;
2086
2087        let root_name = std::path::Path::new(abs_path)
2088            .file_name()
2089            .map(|n| n.to_string_lossy().to_string())
2090            .unwrap_or_default();
2091
2092        let client = AnyProtoClient::new(NoopProtoClient::new());
2093        let worktree = Worktree::remote(
2094            0,
2095            ReplicaId::new(1),
2096            proto::WorktreeMetadata {
2097                id: 100 + self.visible_worktrees(cx).count() as u64,
2098                root_name,
2099                visible: true,
2100                abs_path: abs_path.to_string(),
2101                root_repo_common_dir: None,
2102            },
2103            client,
2104            PathStyle::Posix,
2105            cx,
2106        );
2107        self.worktree_store
2108            .update(cx, |store, cx| store.add(&worktree, cx));
2109        worktree
2110    }
2111
2112    #[inline]
2113    pub fn dap_store(&self) -> Entity<DapStore> {
2114        self.dap_store.clone()
2115    }
2116
2117    #[inline]
2118    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
2119        self.breakpoint_store.clone()
2120    }
2121
2122    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
2123        let active_position = self.breakpoint_store.read(cx).active_position()?;
2124        let session = self
2125            .dap_store
2126            .read(cx)
2127            .session_by_id(active_position.session_id)?;
2128        Some((session, active_position.clone()))
2129    }
2130
2131    #[inline]
2132    pub fn lsp_store(&self) -> Entity<LspStore> {
2133        self.lsp_store.clone()
2134    }
2135
2136    #[inline]
2137    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
2138        self.worktree_store.clone()
2139    }
2140
2141    /// Returns a future that resolves when all visible worktrees have completed
2142    /// their initial scan.
2143    pub fn wait_for_initial_scan(&self, cx: &App) -> impl Future<Output = ()> + use<> {
2144        self.worktree_store.read(cx).wait_for_initial_scan()
2145    }
2146
2147    #[inline]
2148    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
2149        self.context_server_store.clone()
2150    }
2151
2152    #[inline]
2153    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
2154        self.buffer_store.read(cx).get(remote_id)
2155    }
2156
2157    #[inline]
2158    pub fn languages(&self) -> &Arc<LanguageRegistry> {
2159        &self.languages
2160    }
2161
2162    #[inline]
2163    pub fn client(&self) -> Arc<Client> {
2164        self.collab_client.clone()
2165    }
2166
2167    #[inline]
2168    pub fn remote_client(&self) -> Option<Entity<RemoteClient>> {
2169        self.remote_client.clone()
2170    }
2171
2172    #[inline]
2173    pub fn user_store(&self) -> Entity<UserStore> {
2174        self.user_store.clone()
2175    }
2176
2177    #[inline]
2178    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
2179        self.node.as_ref()
2180    }
2181
2182    #[inline]
2183    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
2184        self.buffer_store.read(cx).buffers().collect()
2185    }
2186
2187    #[inline]
2188    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
2189        &self.environment
2190    }
2191
2192    #[inline]
2193    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
2194        self.environment.read(cx).get_cli_environment()
2195    }
2196
2197    #[inline]
2198    pub fn peek_environment_error<'a>(&'a self, cx: &'a App) -> Option<&'a String> {
2199        self.environment.read(cx).peek_environment_error()
2200    }
2201
2202    #[inline]
2203    pub fn pop_environment_error(&mut self, cx: &mut Context<Self>) {
2204        self.environment.update(cx, |environment, _| {
2205            environment.pop_environment_error();
2206        });
2207    }
2208
2209    #[cfg(feature = "test-support")]
2210    #[inline]
2211    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
2212        self.buffer_store
2213            .read(cx)
2214            .get_by_path(&path.into())
2215            .is_some()
2216    }
2217
2218    #[inline]
2219    pub fn fs(&self) -> &Arc<dyn Fs> {
2220        &self.fs
2221    }
2222
2223    #[inline]
2224    pub fn remote_id(&self) -> Option<u64> {
2225        match self.client_state {
2226            ProjectClientState::Local => None,
2227            ProjectClientState::Shared { remote_id, .. }
2228            | ProjectClientState::Collab { remote_id, .. } => Some(remote_id),
2229        }
2230    }
2231
2232    #[inline]
2233    pub fn supports_terminal(&self, _cx: &App) -> bool {
2234        if self.is_local() {
2235            return true;
2236        }
2237        if self.is_via_remote_server() {
2238            return true;
2239        }
2240
2241        false
2242    }
2243
2244    #[inline]
2245    pub fn remote_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
2246        self.remote_client
2247            .as_ref()
2248            .map(|remote| remote.read(cx).connection_state())
2249    }
2250
2251    #[inline]
2252    pub fn remote_connection_options(&self, cx: &App) -> Option<RemoteConnectionOptions> {
2253        self.remote_client
2254            .as_ref()
2255            .map(|remote| remote.read(cx).connection_options())
2256    }
2257
2258    /// Reveals the given path in the system file manager.
2259    ///
2260    /// On Windows with a WSL remote connection, this converts the POSIX path
2261    /// to a Windows UNC path before revealing.
2262    pub fn reveal_path(&self, path: &Path, cx: &mut Context<Self>) {
2263        #[cfg(target_os = "windows")]
2264        if let Some(RemoteConnectionOptions::Wsl(wsl_options)) = self.remote_connection_options(cx)
2265        {
2266            let path = path.to_path_buf();
2267            cx.spawn(async move |_, cx| {
2268                wsl_path_to_windows_path(&wsl_options, &path)
2269                    .await
2270                    .map(|windows_path| cx.update(|cx| cx.reveal_path(&windows_path)))
2271            })
2272            .detach_and_log_err(cx);
2273            return;
2274        }
2275
2276        cx.reveal_path(path);
2277    }
2278
2279    #[inline]
2280    pub fn replica_id(&self) -> ReplicaId {
2281        match self.client_state {
2282            ProjectClientState::Collab { replica_id, .. } => replica_id,
2283            _ => {
2284                if self.remote_client.is_some() {
2285                    ReplicaId::REMOTE_SERVER
2286                } else {
2287                    ReplicaId::LOCAL
2288                }
2289            }
2290        }
2291    }
2292
2293    #[inline]
2294    pub fn task_store(&self) -> &Entity<TaskStore> {
2295        &self.task_store
2296    }
2297
2298    #[inline]
2299    pub fn snippets(&self) -> &Entity<SnippetProvider> {
2300        &self.snippets
2301    }
2302
2303    #[inline]
2304    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
2305        match kind {
2306            SearchInputKind::Query => &self.search_history,
2307            SearchInputKind::Include => &self.search_included_history,
2308            SearchInputKind::Exclude => &self.search_excluded_history,
2309        }
2310    }
2311
2312    #[inline]
2313    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
2314        match kind {
2315            SearchInputKind::Query => &mut self.search_history,
2316            SearchInputKind::Include => &mut self.search_included_history,
2317            SearchInputKind::Exclude => &mut self.search_excluded_history,
2318        }
2319    }
2320
2321    #[inline]
2322    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
2323        &self.collaborators
2324    }
2325
2326    #[inline]
2327    pub fn host(&self) -> Option<&Collaborator> {
2328        self.collaborators.values().find(|c| c.is_host)
2329    }
2330
2331    #[inline]
2332    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
2333        self.worktree_store.update(cx, |store, _| {
2334            store.set_worktrees_reordered(worktrees_reordered);
2335        });
2336    }
2337
2338    /// Collect all worktrees, including ones that don't appear in the project panel
2339    #[inline]
2340    pub fn worktrees<'a>(
2341        &self,
2342        cx: &'a App,
2343    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2344        self.worktree_store.read(cx).worktrees()
2345    }
2346
2347    /// Collect all user-visible worktrees, the ones that appear in the project panel.
2348    #[inline]
2349    pub fn visible_worktrees<'a>(
2350        &'a self,
2351        cx: &'a App,
2352    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2353        self.worktree_store.read(cx).visible_worktrees(cx)
2354    }
2355
2356    pub(crate) fn default_visible_worktree_paths(
2357        worktree_store: &WorktreeStore,
2358        cx: &App,
2359    ) -> Vec<PathBuf> {
2360        worktree_store
2361            .visible_worktrees(cx)
2362            .sorted_by(|left, right| {
2363                left.read(cx)
2364                    .is_single_file()
2365                    .cmp(&right.read(cx).is_single_file())
2366            })
2367            .filter_map(|worktree| {
2368                let worktree = worktree.read(cx);
2369                let path = worktree.abs_path();
2370                if worktree.is_single_file() {
2371                    Some(path.parent()?.to_path_buf())
2372                } else {
2373                    Some(path.to_path_buf())
2374                }
2375            })
2376            .collect()
2377    }
2378
2379    pub fn default_path_list(&self, cx: &App) -> PathList {
2380        let worktree_roots =
2381            Self::default_visible_worktree_paths(&self.worktree_store.read(cx), cx);
2382
2383        if worktree_roots.is_empty() {
2384            PathList::new(&[paths::home_dir().as_path()])
2385        } else {
2386            PathList::new(&worktree_roots)
2387        }
2388    }
2389
2390    #[inline]
2391    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
2392        self.visible_worktrees(cx)
2393            .find(|tree| tree.read(cx).root_name() == root_name)
2394    }
2395
2396    fn emit_group_key_changed_if_needed(&mut self, cx: &mut Context<Self>) {
2397        let new_worktree_paths = self.worktree_paths(cx);
2398        if new_worktree_paths != self.last_worktree_paths {
2399            let old_worktree_paths =
2400                std::mem::replace(&mut self.last_worktree_paths, new_worktree_paths);
2401            cx.emit(Event::WorktreePathsChanged { old_worktree_paths });
2402        }
2403    }
2404
2405    #[inline]
2406    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2407        self.visible_worktrees(cx)
2408            .map(|tree| tree.read(cx).root_name().as_unix_str())
2409    }
2410
2411    #[inline]
2412    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2413        self.worktree_store.read(cx).worktree_for_id(id, cx)
2414    }
2415
2416    pub fn worktree_for_entry(
2417        &self,
2418        entry_id: ProjectEntryId,
2419        cx: &App,
2420    ) -> Option<Entity<Worktree>> {
2421        self.worktree_store
2422            .read(cx)
2423            .worktree_for_entry(entry_id, cx)
2424    }
2425
2426    #[inline]
2427    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2428        self.worktree_for_entry(entry_id, cx)
2429            .map(|worktree| worktree.read(cx).id())
2430    }
2431
2432    /// Checks if the entry is the root of a worktree.
2433    #[inline]
2434    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2435        self.worktree_for_entry(entry_id, cx)
2436            .map(|worktree| {
2437                worktree
2438                    .read(cx)
2439                    .root_entry()
2440                    .is_some_and(|e| e.id == entry_id)
2441            })
2442            .unwrap_or(false)
2443    }
2444
2445    #[inline]
2446    pub fn project_path_git_status(
2447        &self,
2448        project_path: &ProjectPath,
2449        cx: &App,
2450    ) -> Option<FileStatus> {
2451        self.git_store
2452            .read(cx)
2453            .project_path_git_status(project_path, cx)
2454    }
2455
2456    #[inline]
2457    pub fn visibility_for_paths(
2458        &self,
2459        paths: &[PathBuf],
2460        exclude_sub_dirs: bool,
2461        cx: &App,
2462    ) -> Option<bool> {
2463        paths
2464            .iter()
2465            .map(|path| self.visibility_for_path(path, exclude_sub_dirs, cx))
2466            .max()
2467            .flatten()
2468    }
2469
2470    pub fn visibility_for_path(
2471        &self,
2472        path: &Path,
2473        exclude_sub_dirs: bool,
2474        cx: &App,
2475    ) -> Option<bool> {
2476        let path = SanitizedPath::new(path).as_path();
2477        let path_style = self.path_style(cx);
2478        self.worktrees(cx)
2479            .filter_map(|worktree| {
2480                let worktree = worktree.read(cx);
2481                let abs_path = worktree.abs_path();
2482                let relative_path = path_style.strip_prefix(path, abs_path.as_ref());
2483                let is_dir = relative_path
2484                    .as_ref()
2485                    .and_then(|p| worktree.entry_for_path(p))
2486                    .is_some_and(|e| e.is_dir());
2487                // Don't exclude the worktree root itself, only actual subdirectories
2488                let is_subdir = relative_path
2489                    .as_ref()
2490                    .is_some_and(|p| !p.as_ref().as_unix_str().is_empty());
2491                let contains =
2492                    relative_path.is_some() && (!exclude_sub_dirs || !is_dir || !is_subdir);
2493                contains.then(|| worktree.is_visible())
2494            })
2495            .max()
2496    }
2497
2498    pub fn create_entry(
2499        &mut self,
2500        project_path: impl Into<ProjectPath>,
2501        is_directory: bool,
2502        cx: &mut Context<Self>,
2503    ) -> Task<Result<CreatedEntry>> {
2504        let project_path = project_path.into();
2505        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2506            return Task::ready(Err(anyhow!(format!(
2507                "No worktree for path {project_path:?}"
2508            ))));
2509        };
2510        worktree.update(cx, |worktree, cx| {
2511            worktree.create_entry(project_path.path, is_directory, None, cx)
2512        })
2513    }
2514
2515    #[inline]
2516    pub fn copy_entry(
2517        &mut self,
2518        entry_id: ProjectEntryId,
2519        new_project_path: ProjectPath,
2520        cx: &mut Context<Self>,
2521    ) -> Task<Result<Option<Entry>>> {
2522        self.worktree_store.update(cx, |worktree_store, cx| {
2523            worktree_store.copy_entry(entry_id, new_project_path, cx)
2524        })
2525    }
2526
2527    /// Renames the project entry with given `entry_id`.
2528    ///
2529    /// `new_path` is a relative path to worktree root.
2530    /// If root entry is renamed then its new root name is used instead.
2531    pub fn rename_entry(
2532        &mut self,
2533        entry_id: ProjectEntryId,
2534        new_path: ProjectPath,
2535        cx: &mut Context<Self>,
2536    ) -> Task<Result<CreatedEntry>> {
2537        let worktree_store = self.worktree_store.clone();
2538        let Some((worktree, old_path, is_dir)) = worktree_store
2539            .read(cx)
2540            .worktree_and_entry_for_id(entry_id, cx)
2541            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2542        else {
2543            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2544        };
2545
2546        let worktree_id = worktree.read(cx).id();
2547        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2548
2549        let lsp_store = self.lsp_store().downgrade();
2550        cx.spawn(async move |project, cx| {
2551            let (old_abs_path, new_abs_path) = {
2552                let root_path = worktree.read_with(cx, |this, _| this.abs_path());
2553                let new_abs_path = if is_root_entry {
2554                    root_path
2555                        .parent()
2556                        .unwrap()
2557                        .join(new_path.path.as_std_path())
2558                } else {
2559                    root_path.join(&new_path.path.as_std_path())
2560                };
2561                (root_path.join(old_path.as_std_path()), new_abs_path)
2562            };
2563            let transaction = LspStore::will_rename_entry(
2564                lsp_store.clone(),
2565                worktree_id,
2566                &old_abs_path,
2567                &new_abs_path,
2568                is_dir,
2569                cx.clone(),
2570            )
2571            .await;
2572
2573            let entry = worktree_store
2574                .update(cx, |worktree_store, cx| {
2575                    worktree_store.rename_entry(entry_id, new_path.clone(), cx)
2576                })
2577                .await?;
2578
2579            project
2580                .update(cx, |_, cx| {
2581                    cx.emit(Event::EntryRenamed(
2582                        transaction,
2583                        new_path.clone(),
2584                        new_abs_path.clone(),
2585                    ));
2586                })
2587                .ok();
2588
2589            lsp_store
2590                .read_with(cx, |this, _| {
2591                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2592                })
2593                .ok();
2594            Ok(entry)
2595        })
2596    }
2597
2598    #[inline]
2599    pub fn delete_file(
2600        &mut self,
2601        path: ProjectPath,
2602        trash: bool,
2603        cx: &mut Context<Self>,
2604    ) -> Option<Task<Result<Option<TrashedEntry>>>> {
2605        let entry = self.entry_for_path(&path, cx)?;
2606        self.delete_entry(entry.id, trash, cx)
2607    }
2608
2609    #[inline]
2610    pub fn delete_entry(
2611        &mut self,
2612        entry_id: ProjectEntryId,
2613        trash: bool,
2614        cx: &mut Context<Self>,
2615    ) -> Option<Task<Result<Option<TrashedEntry>>>> {
2616        let worktree = self.worktree_for_entry(entry_id, cx)?;
2617        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2618        worktree.update(cx, |worktree, cx| {
2619            worktree.delete_entry(entry_id, trash, cx)
2620        })
2621    }
2622
2623    #[inline]
2624    pub fn restore_entry(
2625        &self,
2626        worktree_id: WorktreeId,
2627        trash_entry: TrashedEntry,
2628        cx: &mut Context<'_, Self>,
2629    ) -> Task<Result<ProjectPath>> {
2630        let Some(worktree) = self.worktree_for_id(worktree_id, cx) else {
2631            return Task::ready(Err(anyhow!("No worktree for id {worktree_id:?}")));
2632        };
2633
2634        cx.spawn(async move |_, cx| {
2635            Worktree::restore_entry(trash_entry, worktree, cx)
2636                .await
2637                .map(|rel_path_buf| ProjectPath {
2638                    worktree_id: worktree_id,
2639                    path: Arc::from(rel_path_buf.as_rel_path()),
2640                })
2641        })
2642    }
2643
2644    #[inline]
2645    pub fn expand_entry(
2646        &mut self,
2647        worktree_id: WorktreeId,
2648        entry_id: ProjectEntryId,
2649        cx: &mut Context<Self>,
2650    ) -> Option<Task<Result<()>>> {
2651        let worktree = self.worktree_for_id(worktree_id, cx)?;
2652        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2653    }
2654
2655    pub fn expand_all_for_entry(
2656        &mut self,
2657        worktree_id: WorktreeId,
2658        entry_id: ProjectEntryId,
2659        cx: &mut Context<Self>,
2660    ) -> Option<Task<Result<()>>> {
2661        let worktree = self.worktree_for_id(worktree_id, cx)?;
2662        let task = worktree.update(cx, |worktree, cx| {
2663            worktree.expand_all_for_entry(entry_id, cx)
2664        });
2665        Some(cx.spawn(async move |this, cx| {
2666            task.context("no task")?.await?;
2667            this.update(cx, |_, cx| {
2668                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2669            })?;
2670            Ok(())
2671        }))
2672    }
2673
2674    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2675        anyhow::ensure!(
2676            matches!(self.client_state, ProjectClientState::Local),
2677            "project was already shared"
2678        );
2679
2680        self.client_subscriptions.extend([
2681            self.collab_client
2682                .subscribe_to_entity(project_id)?
2683                .set_entity(&cx.entity(), &cx.to_async()),
2684            self.collab_client
2685                .subscribe_to_entity(project_id)?
2686                .set_entity(&self.worktree_store, &cx.to_async()),
2687            self.collab_client
2688                .subscribe_to_entity(project_id)?
2689                .set_entity(&self.buffer_store, &cx.to_async()),
2690            self.collab_client
2691                .subscribe_to_entity(project_id)?
2692                .set_entity(&self.lsp_store, &cx.to_async()),
2693            self.collab_client
2694                .subscribe_to_entity(project_id)?
2695                .set_entity(&self.settings_observer, &cx.to_async()),
2696            self.collab_client
2697                .subscribe_to_entity(project_id)?
2698                .set_entity(&self.dap_store, &cx.to_async()),
2699            self.collab_client
2700                .subscribe_to_entity(project_id)?
2701                .set_entity(&self.breakpoint_store, &cx.to_async()),
2702            self.collab_client
2703                .subscribe_to_entity(project_id)?
2704                .set_entity(&self.git_store, &cx.to_async()),
2705        ]);
2706
2707        self.buffer_store.update(cx, |buffer_store, cx| {
2708            buffer_store.shared(project_id, self.collab_client.clone().into(), cx)
2709        });
2710        self.worktree_store.update(cx, |worktree_store, cx| {
2711            worktree_store.shared(project_id, self.collab_client.clone().into(), cx);
2712        });
2713        self.lsp_store.update(cx, |lsp_store, cx| {
2714            lsp_store.shared(project_id, self.collab_client.clone().into(), cx)
2715        });
2716        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2717            breakpoint_store.shared(project_id, self.collab_client.clone().into())
2718        });
2719        self.dap_store.update(cx, |dap_store, cx| {
2720            dap_store.shared(project_id, self.collab_client.clone().into(), cx);
2721        });
2722        self.task_store.update(cx, |task_store, cx| {
2723            task_store.shared(project_id, self.collab_client.clone().into(), cx);
2724        });
2725        self.settings_observer.update(cx, |settings_observer, cx| {
2726            settings_observer.shared(project_id, self.collab_client.clone().into(), cx)
2727        });
2728        self.git_store.update(cx, |git_store, cx| {
2729            git_store.shared(project_id, self.collab_client.clone().into(), cx)
2730        });
2731
2732        self.client_state = ProjectClientState::Shared {
2733            remote_id: project_id,
2734        };
2735
2736        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2737        Ok(())
2738    }
2739
2740    pub fn reshared(
2741        &mut self,
2742        message: proto::ResharedProject,
2743        cx: &mut Context<Self>,
2744    ) -> Result<()> {
2745        self.buffer_store
2746            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2747        self.set_collaborators_from_proto(message.collaborators, cx)?;
2748
2749        self.worktree_store.update(cx, |worktree_store, cx| {
2750            worktree_store.send_project_updates(cx);
2751        });
2752        if let Some(remote_id) = self.remote_id() {
2753            self.git_store.update(cx, |git_store, cx| {
2754                git_store.shared(remote_id, self.collab_client.clone().into(), cx)
2755            });
2756        }
2757        cx.emit(Event::Reshared);
2758        Ok(())
2759    }
2760
2761    pub fn rejoined(
2762        &mut self,
2763        message: proto::RejoinedProject,
2764        message_id: u32,
2765        cx: &mut Context<Self>,
2766    ) -> Result<()> {
2767        cx.update_global::<SettingsStore, _>(|store, cx| {
2768            for worktree_metadata in &message.worktrees {
2769                store
2770                    .clear_local_settings(WorktreeId::from_proto(worktree_metadata.id), cx)
2771                    .log_err();
2772            }
2773        });
2774
2775        self.join_project_response_message_id = message_id;
2776        self.set_worktrees_from_proto(message.worktrees, cx)?;
2777        self.set_collaborators_from_proto(message.collaborators, cx)?;
2778
2779        let project = cx.weak_entity();
2780        self.lsp_store.update(cx, |lsp_store, cx| {
2781            lsp_store.set_language_server_statuses_from_proto(
2782                project,
2783                message.language_servers,
2784                message.language_server_capabilities,
2785                cx,
2786            )
2787        });
2788        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2789            .unwrap();
2790        cx.emit(Event::Rejoined);
2791        Ok(())
2792    }
2793
2794    #[inline]
2795    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2796        self.unshare_internal(cx)?;
2797        cx.emit(Event::RemoteIdChanged(None));
2798        Ok(())
2799    }
2800
2801    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2802        anyhow::ensure!(
2803            !self.is_via_collab(),
2804            "attempted to unshare a remote project"
2805        );
2806
2807        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2808            self.client_state = ProjectClientState::Local;
2809            self.collaborators.clear();
2810            self.client_subscriptions.clear();
2811            self.worktree_store.update(cx, |store, cx| {
2812                store.unshared(cx);
2813            });
2814            self.buffer_store.update(cx, |buffer_store, cx| {
2815                buffer_store.forget_shared_buffers();
2816                buffer_store.unshared(cx)
2817            });
2818            self.task_store.update(cx, |task_store, cx| {
2819                task_store.unshared(cx);
2820            });
2821            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2822                breakpoint_store.unshared(cx);
2823            });
2824            self.dap_store.update(cx, |dap_store, cx| {
2825                dap_store.unshared(cx);
2826            });
2827            self.settings_observer.update(cx, |settings_observer, cx| {
2828                settings_observer.unshared(cx);
2829            });
2830            self.git_store.update(cx, |git_store, cx| {
2831                git_store.unshared(cx);
2832            });
2833
2834            self.collab_client
2835                .send(proto::UnshareProject {
2836                    project_id: remote_id,
2837                })
2838                .ok();
2839            Ok(())
2840        } else {
2841            anyhow::bail!("attempted to unshare an unshared project");
2842        }
2843    }
2844
2845    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2846        if self.is_disconnected(cx) {
2847            return;
2848        }
2849        self.disconnected_from_host_internal(cx);
2850        cx.emit(Event::DisconnectedFromHost);
2851    }
2852
2853    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2854        let new_capability =
2855            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2856                Capability::ReadWrite
2857            } else {
2858                Capability::ReadOnly
2859            };
2860        if let ProjectClientState::Collab { capability, .. } = &mut self.client_state {
2861            if *capability == new_capability {
2862                return;
2863            }
2864
2865            *capability = new_capability;
2866            for buffer in self.opened_buffers(cx) {
2867                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2868            }
2869        }
2870    }
2871
2872    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2873        if let ProjectClientState::Collab {
2874            sharing_has_stopped,
2875            ..
2876        } = &mut self.client_state
2877        {
2878            *sharing_has_stopped = true;
2879            self.client_subscriptions.clear();
2880            self.collaborators.clear();
2881            self.worktree_store.update(cx, |store, cx| {
2882                store.disconnected_from_host(cx);
2883            });
2884            self.buffer_store.update(cx, |buffer_store, cx| {
2885                buffer_store.disconnected_from_host(cx)
2886            });
2887            self.lsp_store
2888                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2889        }
2890    }
2891
2892    #[inline]
2893    pub fn close(&mut self, cx: &mut Context<Self>) {
2894        cx.emit(Event::Closed);
2895    }
2896
2897    #[inline]
2898    pub fn is_disconnected(&self, cx: &App) -> bool {
2899        match &self.client_state {
2900            ProjectClientState::Collab {
2901                sharing_has_stopped,
2902                ..
2903            } => *sharing_has_stopped,
2904            ProjectClientState::Local if self.is_via_remote_server() => {
2905                self.remote_client_is_disconnected(cx)
2906            }
2907            _ => false,
2908        }
2909    }
2910
2911    #[inline]
2912    fn remote_client_is_disconnected(&self, cx: &App) -> bool {
2913        self.remote_client
2914            .as_ref()
2915            .map(|remote| remote.read(cx).is_disconnected())
2916            .unwrap_or(false)
2917    }
2918
2919    #[inline]
2920    pub fn capability(&self) -> Capability {
2921        match &self.client_state {
2922            ProjectClientState::Collab { capability, .. } => *capability,
2923            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2924        }
2925    }
2926
2927    #[inline]
2928    pub fn is_read_only(&self, cx: &App) -> bool {
2929        self.is_disconnected(cx) || !self.capability().editable()
2930    }
2931
2932    #[inline]
2933    pub fn is_local(&self) -> bool {
2934        match &self.client_state {
2935            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2936                self.remote_client.is_none()
2937            }
2938            ProjectClientState::Collab { .. } => false,
2939        }
2940    }
2941
2942    /// Whether this project is a remote server (not counting collab).
2943    #[inline]
2944    pub fn is_via_remote_server(&self) -> bool {
2945        match &self.client_state {
2946            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2947                self.remote_client.is_some()
2948            }
2949            ProjectClientState::Collab { .. } => false,
2950        }
2951    }
2952
2953    /// Whether this project is from collab (not counting remote servers).
2954    #[inline]
2955    pub fn is_via_collab(&self) -> bool {
2956        match &self.client_state {
2957            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2958            ProjectClientState::Collab { .. } => true,
2959        }
2960    }
2961
2962    /// `!self.is_local()`
2963    #[inline]
2964    pub fn is_remote(&self) -> bool {
2965        debug_assert_eq!(
2966            !self.is_local(),
2967            self.is_via_collab() || self.is_via_remote_server()
2968        );
2969        !self.is_local()
2970    }
2971
2972    #[inline]
2973    pub fn is_via_wsl_with_host_interop(&self, cx: &App) -> bool {
2974        match &self.client_state {
2975            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2976                matches!(
2977                    &self.remote_client, Some(remote_client)
2978                    if remote_client.read(cx).has_wsl_interop()
2979                )
2980            }
2981            _ => false,
2982        }
2983    }
2984
2985    pub fn disable_worktree_scanner(&mut self, cx: &mut Context<Self>) {
2986        self.worktree_store.update(cx, |worktree_store, _cx| {
2987            worktree_store.disable_scanner();
2988        });
2989    }
2990
2991    #[inline]
2992    pub fn create_buffer(
2993        &mut self,
2994        language: Option<Arc<Language>>,
2995        project_searchable: bool,
2996        cx: &mut Context<Self>,
2997    ) -> Task<Result<Entity<Buffer>>> {
2998        self.buffer_store.update(cx, |buffer_store, cx| {
2999            buffer_store.create_buffer(language, project_searchable, cx)
3000        })
3001    }
3002
3003    #[inline]
3004    pub fn create_local_buffer(
3005        &mut self,
3006        text: &str,
3007        language: Option<Arc<Language>>,
3008        project_searchable: bool,
3009        cx: &mut Context<Self>,
3010    ) -> Entity<Buffer> {
3011        if self.is_remote() {
3012            panic!("called create_local_buffer on a remote project")
3013        }
3014        self.buffer_store.update(cx, |buffer_store, cx| {
3015            buffer_store.create_local_buffer(text, language, project_searchable, cx)
3016        })
3017    }
3018
3019    pub fn open_path(
3020        &mut self,
3021        path: ProjectPath,
3022        cx: &mut Context<Self>,
3023    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
3024        let task = self.open_buffer(path, cx);
3025        cx.spawn(async move |_project, cx| {
3026            let buffer = task.await?;
3027            let project_entry_id = buffer.read_with(cx, |buffer, _cx| {
3028                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id())
3029            });
3030
3031            Ok((project_entry_id, buffer))
3032        })
3033    }
3034
3035    pub fn open_local_buffer(
3036        &mut self,
3037        abs_path: impl AsRef<Path>,
3038        cx: &mut Context<Self>,
3039    ) -> Task<Result<Entity<Buffer>>> {
3040        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
3041        cx.spawn(async move |this, cx| {
3042            let (worktree, relative_path) = worktree_task.await?;
3043            this.update(cx, |this, cx| {
3044                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
3045            })?
3046            .await
3047        })
3048    }
3049
3050    #[cfg(feature = "test-support")]
3051    pub fn open_local_buffer_with_lsp(
3052        &mut self,
3053        abs_path: impl AsRef<Path>,
3054        cx: &mut Context<Self>,
3055    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
3056        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
3057            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
3058        } else {
3059            Task::ready(Err(anyhow!("no such path")))
3060        }
3061    }
3062
3063    pub fn download_file(
3064        &mut self,
3065        worktree_id: WorktreeId,
3066        path: Arc<RelPath>,
3067        destination_path: PathBuf,
3068        cx: &mut Context<Self>,
3069    ) -> Task<Result<()>> {
3070        log::debug!(
3071            "download_file called: worktree_id={:?}, path={:?}, destination={:?}",
3072            worktree_id,
3073            path,
3074            destination_path
3075        );
3076
3077        let Some(remote_client) = &self.remote_client else {
3078            log::error!("download_file: not a remote project");
3079            return Task::ready(Err(anyhow!("not a remote project")));
3080        };
3081
3082        let proto_client = remote_client.read(cx).proto_client();
3083        // For SSH remote projects, use REMOTE_SERVER_PROJECT_ID instead of remote_id()
3084        // because SSH projects have client_state: Local but still need to communicate with remote server
3085        let project_id = self.remote_id().unwrap_or(REMOTE_SERVER_PROJECT_ID);
3086        let downloading_files = self.downloading_files.clone();
3087        let path_str = path.to_proto();
3088
3089        static NEXT_FILE_ID: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(1);
3090        let file_id = NEXT_FILE_ID.fetch_add(1, std::sync::atomic::Ordering::SeqCst);
3091
3092        // Register BEFORE sending request to avoid race condition
3093        let key = (worktree_id, path_str.clone());
3094        log::debug!(
3095            "download_file: pre-registering download with key={:?}, file_id={}",
3096            key,
3097            file_id
3098        );
3099        downloading_files.lock().insert(
3100            key,
3101            DownloadingFile {
3102                destination_path: destination_path,
3103                chunks: Vec::new(),
3104                total_size: 0,
3105                file_id: Some(file_id),
3106            },
3107        );
3108        log::debug!(
3109            "download_file: sending DownloadFileByPath request, path_str={}",
3110            path_str
3111        );
3112
3113        cx.spawn(async move |_this, _cx| {
3114            log::debug!("download_file: sending request with file_id={}...", file_id);
3115            let response = proto_client
3116                .request(proto::DownloadFileByPath {
3117                    project_id,
3118                    worktree_id: worktree_id.to_proto(),
3119                    path: path_str.clone(),
3120                    file_id,
3121                })
3122                .await?;
3123
3124            log::debug!("download_file: got response, file_id={}", response.file_id);
3125            // The file_id is set from the State message, we just confirm the request succeeded
3126            Ok(())
3127        })
3128    }
3129
3130    #[ztracing::instrument(skip_all)]
3131    pub fn open_buffer(
3132        &mut self,
3133        path: impl Into<ProjectPath>,
3134        cx: &mut App,
3135    ) -> Task<Result<Entity<Buffer>>> {
3136        if self.is_disconnected(cx) {
3137            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3138        }
3139
3140        self.buffer_store.update(cx, |buffer_store, cx| {
3141            buffer_store.open_buffer(path.into(), cx)
3142        })
3143    }
3144
3145    #[cfg(feature = "test-support")]
3146    pub fn open_buffer_with_lsp(
3147        &mut self,
3148        path: impl Into<ProjectPath>,
3149        cx: &mut Context<Self>,
3150    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
3151        let buffer = self.open_buffer(path, cx);
3152        cx.spawn(async move |this, cx| {
3153            let buffer = buffer.await?;
3154            let handle = this.update(cx, |project, cx| {
3155                project.register_buffer_with_language_servers(&buffer, cx)
3156            })?;
3157            Ok((buffer, handle))
3158        })
3159    }
3160
3161    pub fn register_buffer_with_language_servers(
3162        &self,
3163        buffer: &Entity<Buffer>,
3164        cx: &mut App,
3165    ) -> OpenLspBufferHandle {
3166        self.lsp_store.update(cx, |lsp_store, cx| {
3167            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
3168        })
3169    }
3170
3171    pub fn open_unstaged_diff(
3172        &mut self,
3173        buffer: Entity<Buffer>,
3174        cx: &mut Context<Self>,
3175    ) -> Task<Result<Entity<BufferDiff>>> {
3176        if self.is_disconnected(cx) {
3177            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3178        }
3179        self.git_store
3180            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
3181    }
3182
3183    #[ztracing::instrument(skip_all)]
3184    pub fn open_uncommitted_diff(
3185        &mut self,
3186        buffer: Entity<Buffer>,
3187        cx: &mut Context<Self>,
3188    ) -> Task<Result<Entity<BufferDiff>>> {
3189        if self.is_disconnected(cx) {
3190            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3191        }
3192        self.git_store.update(cx, |git_store, cx| {
3193            git_store.open_uncommitted_diff(buffer, cx)
3194        })
3195    }
3196
3197    pub fn open_buffer_by_id(
3198        &mut self,
3199        id: BufferId,
3200        cx: &mut Context<Self>,
3201    ) -> Task<Result<Entity<Buffer>>> {
3202        if let Some(buffer) = self.buffer_for_id(id, cx) {
3203            Task::ready(Ok(buffer))
3204        } else if self.is_local() || self.is_via_remote_server() {
3205            Task::ready(Err(anyhow!("buffer {id} does not exist")))
3206        } else if let Some(project_id) = self.remote_id() {
3207            let request = self.collab_client.request(proto::OpenBufferById {
3208                project_id,
3209                id: id.into(),
3210            });
3211            cx.spawn(async move |project, cx| {
3212                let buffer_id = BufferId::new(request.await?.buffer_id)?;
3213                project
3214                    .update(cx, |project, cx| {
3215                        project.buffer_store.update(cx, |buffer_store, cx| {
3216                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
3217                        })
3218                    })?
3219                    .await
3220            })
3221        } else {
3222            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
3223        }
3224    }
3225
3226    pub fn save_buffers(
3227        &self,
3228        buffers: HashSet<Entity<Buffer>>,
3229        cx: &mut Context<Self>,
3230    ) -> Task<Result<()>> {
3231        cx.spawn(async move |this, cx| {
3232            let save_tasks = buffers.into_iter().filter_map(|buffer| {
3233                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
3234                    .ok()
3235            });
3236            try_join_all(save_tasks).await?;
3237            Ok(())
3238        })
3239    }
3240
3241    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
3242        self.buffer_store
3243            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
3244    }
3245
3246    pub fn save_buffer_as(
3247        &mut self,
3248        buffer: Entity<Buffer>,
3249        path: ProjectPath,
3250        cx: &mut Context<Self>,
3251    ) -> Task<Result<()>> {
3252        self.buffer_store.update(cx, |buffer_store, cx| {
3253            buffer_store.save_buffer_as(buffer.clone(), path, cx)
3254        })
3255    }
3256
3257    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
3258        self.buffer_store.read(cx).get_by_path(path)
3259    }
3260
3261    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
3262        {
3263            let mut remotely_created_models = self.remotely_created_models.lock();
3264            if remotely_created_models.retain_count > 0 {
3265                remotely_created_models.buffers.push(buffer.clone())
3266            }
3267        }
3268
3269        self.request_buffer_diff_recalculation(buffer, cx);
3270
3271        cx.subscribe(buffer, |this, buffer, event, cx| {
3272            this.on_buffer_event(buffer, event, cx);
3273        })
3274        .detach();
3275
3276        Ok(())
3277    }
3278
3279    pub fn open_image(
3280        &mut self,
3281        path: impl Into<ProjectPath>,
3282        cx: &mut Context<Self>,
3283    ) -> Task<Result<Entity<ImageItem>>> {
3284        if self.is_disconnected(cx) {
3285            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3286        }
3287
3288        let open_image_task = self.image_store.update(cx, |image_store, cx| {
3289            image_store.open_image(path.into(), cx)
3290        });
3291
3292        let weak_project = cx.entity().downgrade();
3293        cx.spawn(async move |_, cx| {
3294            let image_item = open_image_task.await?;
3295
3296            // Check if metadata already exists (e.g., for remote images)
3297            let needs_metadata =
3298                cx.read_entity(&image_item, |item, _| item.image_metadata.is_none());
3299
3300            if needs_metadata {
3301                let project = weak_project.upgrade().context("Project dropped")?;
3302                let metadata =
3303                    ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
3304                image_item.update(cx, |image_item, cx| {
3305                    image_item.image_metadata = Some(metadata);
3306                    cx.emit(ImageItemEvent::MetadataUpdated);
3307                });
3308            }
3309
3310            Ok(image_item)
3311        })
3312    }
3313
3314    async fn send_buffer_ordered_messages(
3315        project: WeakEntity<Self>,
3316        rx: UnboundedReceiver<BufferOrderedMessage>,
3317        cx: &mut AsyncApp,
3318    ) -> Result<()> {
3319        const MAX_BATCH_SIZE: usize = 128;
3320
3321        let mut operations_by_buffer_id = HashMap::default();
3322        async fn flush_operations(
3323            this: &WeakEntity<Project>,
3324            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
3325            needs_resync_with_host: &mut bool,
3326            is_local: bool,
3327            cx: &mut AsyncApp,
3328        ) -> Result<()> {
3329            for (buffer_id, operations) in operations_by_buffer_id.drain() {
3330                let request = this.read_with(cx, |this, _| {
3331                    let project_id = this.remote_id()?;
3332                    Some(this.collab_client.request(proto::UpdateBuffer {
3333                        buffer_id: buffer_id.into(),
3334                        project_id,
3335                        operations,
3336                    }))
3337                })?;
3338                if let Some(request) = request
3339                    && request.await.is_err()
3340                    && !is_local
3341                {
3342                    *needs_resync_with_host = true;
3343                    break;
3344                }
3345            }
3346            Ok(())
3347        }
3348
3349        let mut needs_resync_with_host = false;
3350        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
3351
3352        while let Some(changes) = changes.next().await {
3353            let is_local = project.read_with(cx, |this, _| this.is_local())?;
3354
3355            for change in changes {
3356                match change {
3357                    BufferOrderedMessage::Operation {
3358                        buffer_id,
3359                        operation,
3360                    } => {
3361                        if needs_resync_with_host {
3362                            continue;
3363                        }
3364
3365                        operations_by_buffer_id
3366                            .entry(buffer_id)
3367                            .or_insert(Vec::new())
3368                            .push(operation);
3369                    }
3370
3371                    BufferOrderedMessage::Resync => {
3372                        operations_by_buffer_id.clear();
3373                        if project
3374                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
3375                            .await
3376                            .is_ok()
3377                        {
3378                            needs_resync_with_host = false;
3379                        }
3380                    }
3381
3382                    BufferOrderedMessage::LanguageServerUpdate {
3383                        language_server_id,
3384                        message,
3385                        name,
3386                    } => {
3387                        flush_operations(
3388                            &project,
3389                            &mut operations_by_buffer_id,
3390                            &mut needs_resync_with_host,
3391                            is_local,
3392                            cx,
3393                        )
3394                        .await?;
3395
3396                        project.read_with(cx, |project, _| {
3397                            if let Some(project_id) = project.remote_id() {
3398                                project
3399                                    .collab_client
3400                                    .send(proto::UpdateLanguageServer {
3401                                        project_id,
3402                                        server_name: name.map(|name| String::from(name.0)),
3403                                        language_server_id: language_server_id.to_proto(),
3404                                        variant: Some(message),
3405                                    })
3406                                    .log_err();
3407                            }
3408                        })?;
3409                    }
3410                }
3411            }
3412
3413            flush_operations(
3414                &project,
3415                &mut operations_by_buffer_id,
3416                &mut needs_resync_with_host,
3417                is_local,
3418                cx,
3419            )
3420            .await?;
3421        }
3422
3423        Ok(())
3424    }
3425
3426    fn on_buffer_store_event(
3427        &mut self,
3428        _: Entity<BufferStore>,
3429        event: &BufferStoreEvent,
3430        cx: &mut Context<Self>,
3431    ) {
3432        match event {
3433            BufferStoreEvent::BufferAdded(buffer) => {
3434                self.register_buffer(buffer, cx).log_err();
3435            }
3436            BufferStoreEvent::BufferDropped(buffer_id) => {
3437                if let Some(ref remote_client) = self.remote_client {
3438                    remote_client
3439                        .read(cx)
3440                        .proto_client()
3441                        .send(proto::CloseBuffer {
3442                            project_id: 0,
3443                            buffer_id: buffer_id.to_proto(),
3444                        })
3445                        .log_err();
3446                }
3447            }
3448            _ => {}
3449        }
3450    }
3451
3452    fn on_image_store_event(
3453        &mut self,
3454        _: Entity<ImageStore>,
3455        event: &ImageStoreEvent,
3456        cx: &mut Context<Self>,
3457    ) {
3458        match event {
3459            ImageStoreEvent::ImageAdded(image) => {
3460                cx.subscribe(image, |this, image, event, cx| {
3461                    this.on_image_event(image, event, cx);
3462                })
3463                .detach();
3464            }
3465        }
3466    }
3467
3468    fn on_dap_store_event(
3469        &mut self,
3470        _: Entity<DapStore>,
3471        event: &DapStoreEvent,
3472        cx: &mut Context<Self>,
3473    ) {
3474        if let DapStoreEvent::Notification(message) = event {
3475            cx.emit(Event::Toast {
3476                notification_id: "dap".into(),
3477                message: message.clone(),
3478                link: None,
3479            });
3480        }
3481    }
3482
3483    fn on_lsp_store_event(
3484        &mut self,
3485        _: Entity<LspStore>,
3486        event: &LspStoreEvent,
3487        cx: &mut Context<Self>,
3488    ) {
3489        match event {
3490            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
3491                cx.emit(Event::DiagnosticsUpdated {
3492                    paths: paths.clone(),
3493                    language_server_id: *server_id,
3494                })
3495            }
3496            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
3497                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
3498            ),
3499            LspStoreEvent::LanguageServerRemoved(server_id) => {
3500                cx.emit(Event::LanguageServerRemoved(*server_id))
3501            }
3502            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
3503                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
3504            ),
3505            LspStoreEvent::LanguageDetected {
3506                buffer,
3507                new_language,
3508            } => {
3509                let Some(_) = new_language else {
3510                    cx.emit(Event::LanguageNotFound(buffer.clone()));
3511                    return;
3512                };
3513            }
3514            LspStoreEvent::RefreshInlayHints {
3515                server_id,
3516                request_id,
3517            } => cx.emit(Event::RefreshInlayHints {
3518                server_id: *server_id,
3519                request_id: *request_id,
3520            }),
3521            LspStoreEvent::RefreshSemanticTokens {
3522                server_id,
3523                request_id,
3524            } => cx.emit(Event::RefreshSemanticTokens {
3525                server_id: *server_id,
3526                request_id: *request_id,
3527            }),
3528            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
3529            LspStoreEvent::LanguageServerPrompt(prompt) => {
3530                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
3531            }
3532            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
3533                cx.emit(Event::DiskBasedDiagnosticsStarted {
3534                    language_server_id: *language_server_id,
3535                });
3536            }
3537            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
3538                cx.emit(Event::DiskBasedDiagnosticsFinished {
3539                    language_server_id: *language_server_id,
3540                });
3541            }
3542            LspStoreEvent::LanguageServerUpdate {
3543                language_server_id,
3544                name,
3545                message,
3546            } => {
3547                if self.is_local() {
3548                    self.enqueue_buffer_ordered_message(
3549                        BufferOrderedMessage::LanguageServerUpdate {
3550                            language_server_id: *language_server_id,
3551                            message: message.clone(),
3552                            name: name.clone(),
3553                        },
3554                    )
3555                    .ok();
3556                }
3557
3558                match message {
3559                    proto::update_language_server::Variant::MetadataUpdated(update) => {
3560                        self.lsp_store.update(cx, |lsp_store, _| {
3561                            if let Some(capabilities) = update
3562                                .capabilities
3563                                .as_ref()
3564                                .and_then(|capabilities| serde_json::from_str(capabilities).ok())
3565                            {
3566                                lsp_store
3567                                    .lsp_server_capabilities
3568                                    .insert(*language_server_id, capabilities);
3569                            }
3570
3571                            if let Some(language_server_status) = lsp_store
3572                                .language_server_statuses
3573                                .get_mut(language_server_id)
3574                            {
3575                                if let Some(binary) = &update.binary {
3576                                    language_server_status.binary = Some(LanguageServerBinary {
3577                                        path: PathBuf::from(&binary.path),
3578                                        arguments: binary
3579                                            .arguments
3580                                            .iter()
3581                                            .map(OsString::from)
3582                                            .collect(),
3583                                        env: None,
3584                                    });
3585                                }
3586
3587                                language_server_status.configuration = update
3588                                    .configuration
3589                                    .as_ref()
3590                                    .and_then(|config_str| serde_json::from_str(config_str).ok());
3591
3592                                language_server_status.workspace_folders = update
3593                                    .workspace_folders
3594                                    .iter()
3595                                    .filter_map(|uri_str| lsp::Uri::from_str(uri_str).ok())
3596                                    .collect();
3597                            }
3598                        });
3599                    }
3600                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
3601                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
3602                            cx.emit(Event::LanguageServerBufferRegistered {
3603                                buffer_id,
3604                                server_id: *language_server_id,
3605                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
3606                                name: name.clone(),
3607                            });
3608                        }
3609                    }
3610                    _ => (),
3611                }
3612            }
3613            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
3614                notification_id: "lsp".into(),
3615                message: message.clone(),
3616                link: None,
3617            }),
3618            LspStoreEvent::SnippetEdit {
3619                buffer_id,
3620                edits,
3621                most_recent_edit,
3622            } => {
3623                if most_recent_edit.replica_id == self.replica_id() {
3624                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3625                }
3626            }
3627            LspStoreEvent::WorkspaceEditApplied(transaction) => {
3628                cx.emit(Event::WorkspaceEditApplied(transaction.clone()))
3629            }
3630        }
3631    }
3632
3633    fn on_remote_client_event(
3634        &mut self,
3635        _: Entity<RemoteClient>,
3636        event: &remote::RemoteClientEvent,
3637        cx: &mut Context<Self>,
3638    ) {
3639        match event {
3640            &remote::RemoteClientEvent::Disconnected { server_not_running } => {
3641                self.worktree_store.update(cx, |store, cx| {
3642                    store.disconnected_from_host(cx);
3643                });
3644                self.buffer_store.update(cx, |buffer_store, cx| {
3645                    buffer_store.disconnected_from_host(cx)
3646                });
3647                self.lsp_store.update(cx, |lsp_store, _cx| {
3648                    lsp_store.disconnected_from_ssh_remote()
3649                });
3650                cx.emit(Event::DisconnectedFromRemote { server_not_running });
3651            }
3652        }
3653    }
3654
3655    fn on_settings_observer_event(
3656        &mut self,
3657        _: Entity<SettingsObserver>,
3658        event: &SettingsObserverEvent,
3659        cx: &mut Context<Self>,
3660    ) {
3661        match event {
3662            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3663                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3664                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3665                    cx.emit(Event::Toast {
3666                        notification_id: format!("local-settings-{path:?}").into(),
3667                        link: None,
3668                        message,
3669                    });
3670                }
3671                Ok(path) => cx.emit(Event::HideToast {
3672                    notification_id: format!("local-settings-{path:?}").into(),
3673                }),
3674                Err(_) => {}
3675            },
3676            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3677                Err(InvalidSettingsError::Tasks { message, path }) => {
3678                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3679                    cx.emit(Event::Toast {
3680                        notification_id: format!("local-tasks-{path:?}").into(),
3681                        link: Some(ToastLink {
3682                            label: "Open Tasks Documentation",
3683                            url: "https://zed.dev/docs/tasks",
3684                        }),
3685                        message,
3686                    });
3687                }
3688                Ok(path) => cx.emit(Event::HideToast {
3689                    notification_id: format!("local-tasks-{path:?}").into(),
3690                }),
3691                Err(_) => {}
3692            },
3693            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3694                Err(InvalidSettingsError::Debug { message, path }) => {
3695                    let message =
3696                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3697                    cx.emit(Event::Toast {
3698                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3699                        link: None,
3700                        message,
3701                    });
3702                }
3703                Ok(path) => cx.emit(Event::HideToast {
3704                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3705                }),
3706                Err(_) => {}
3707            },
3708        }
3709    }
3710
3711    fn on_worktree_store_event(
3712        &mut self,
3713        _: Entity<WorktreeStore>,
3714        event: &WorktreeStoreEvent,
3715        cx: &mut Context<Self>,
3716    ) {
3717        match event {
3718            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3719                self.on_worktree_added(worktree, cx);
3720                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3721                self.emit_group_key_changed_if_needed(cx);
3722            }
3723            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3724                cx.emit(Event::WorktreeRemoved(*id));
3725                self.emit_group_key_changed_if_needed(cx);
3726            }
3727            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3728                self.on_worktree_released(*id, cx);
3729            }
3730            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3731            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3732            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3733                self.client()
3734                    .telemetry()
3735                    .report_discovered_project_type_events(*worktree_id, changes);
3736                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3737            }
3738            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3739                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3740            }
3741            // Listen to the GitStore instead.
3742            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3743            WorktreeStoreEvent::WorktreeUpdatedRootRepoCommonDir(worktree_id) => {
3744                cx.emit(Event::WorktreeUpdatedRootRepoCommonDir(*worktree_id));
3745                self.emit_group_key_changed_if_needed(cx);
3746            }
3747        }
3748    }
3749
3750    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3751        let mut remotely_created_models = self.remotely_created_models.lock();
3752        if remotely_created_models.retain_count > 0 {
3753            remotely_created_models.worktrees.push(worktree.clone())
3754        }
3755    }
3756
3757    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3758        if let Some(remote) = &self.remote_client {
3759            remote
3760                .read(cx)
3761                .proto_client()
3762                .send(proto::RemoveWorktree {
3763                    worktree_id: id_to_remove.to_proto(),
3764                })
3765                .log_err();
3766        }
3767    }
3768
3769    fn on_buffer_event(
3770        &mut self,
3771        buffer: Entity<Buffer>,
3772        event: &BufferEvent,
3773        cx: &mut Context<Self>,
3774    ) -> Option<()> {
3775        if matches!(event, BufferEvent::Edited { .. } | BufferEvent::Reloaded) {
3776            self.request_buffer_diff_recalculation(&buffer, cx);
3777        }
3778
3779        if matches!(event, BufferEvent::Edited { .. }) {
3780            cx.emit(Event::BufferEdited);
3781        }
3782
3783        let buffer_id = buffer.read(cx).remote_id();
3784        match event {
3785            BufferEvent::ReloadNeeded => {
3786                if !self.is_via_collab() {
3787                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3788                        .detach_and_log_err(cx);
3789                }
3790            }
3791            BufferEvent::Operation {
3792                operation,
3793                is_local: true,
3794            } => {
3795                let operation = language::proto::serialize_operation(operation);
3796
3797                if let Some(remote) = &self.remote_client {
3798                    remote
3799                        .read(cx)
3800                        .proto_client()
3801                        .send(proto::UpdateBuffer {
3802                            project_id: 0,
3803                            buffer_id: buffer_id.to_proto(),
3804                            operations: vec![operation.clone()],
3805                        })
3806                        .ok();
3807                }
3808
3809                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3810                    buffer_id,
3811                    operation,
3812                })
3813                .ok();
3814            }
3815
3816            _ => {}
3817        }
3818
3819        None
3820    }
3821
3822    fn on_image_event(
3823        &mut self,
3824        image: Entity<ImageItem>,
3825        event: &ImageItemEvent,
3826        cx: &mut Context<Self>,
3827    ) -> Option<()> {
3828        // TODO: handle image events from remote
3829        if let ImageItemEvent::ReloadNeeded = event
3830            && !self.is_via_collab()
3831        {
3832            self.reload_images([image].into_iter().collect(), cx)
3833                .detach_and_log_err(cx);
3834        }
3835
3836        None
3837    }
3838
3839    fn request_buffer_diff_recalculation(
3840        &mut self,
3841        buffer: &Entity<Buffer>,
3842        cx: &mut Context<Self>,
3843    ) {
3844        self.buffers_needing_diff.insert(buffer.downgrade());
3845        let first_insertion = self.buffers_needing_diff.len() == 1;
3846        let settings = ProjectSettings::get_global(cx);
3847        let delay = settings.git.gutter_debounce;
3848
3849        if delay == 0 {
3850            if first_insertion {
3851                let this = cx.weak_entity();
3852                cx.defer(move |cx| {
3853                    if let Some(this) = this.upgrade() {
3854                        this.update(cx, |this, cx| {
3855                            this.recalculate_buffer_diffs(cx).detach();
3856                        });
3857                    }
3858                });
3859            }
3860            return;
3861        }
3862
3863        const MIN_DELAY: u64 = 50;
3864        let delay = delay.max(MIN_DELAY);
3865        let duration = Duration::from_millis(delay);
3866
3867        self.git_diff_debouncer
3868            .fire_new(duration, cx, move |this, cx| {
3869                this.recalculate_buffer_diffs(cx)
3870            });
3871    }
3872
3873    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3874        cx.spawn(async move |this, cx| {
3875            loop {
3876                let task = this
3877                    .update(cx, |this, cx| {
3878                        let buffers = this
3879                            .buffers_needing_diff
3880                            .drain()
3881                            .filter_map(|buffer| buffer.upgrade())
3882                            .collect::<Vec<_>>();
3883                        if buffers.is_empty() {
3884                            None
3885                        } else {
3886                            Some(this.git_store.update(cx, |git_store, cx| {
3887                                git_store.recalculate_buffer_diffs(buffers, cx)
3888                            }))
3889                        }
3890                    })
3891                    .ok()
3892                    .flatten();
3893
3894                if let Some(task) = task {
3895                    task.await;
3896                } else {
3897                    break;
3898                }
3899            }
3900        })
3901    }
3902
3903    pub fn set_language_for_buffer(
3904        &mut self,
3905        buffer: &Entity<Buffer>,
3906        new_language: Arc<Language>,
3907        cx: &mut Context<Self>,
3908    ) {
3909        self.lsp_store.update(cx, |lsp_store, cx| {
3910            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3911        })
3912    }
3913
3914    pub fn restart_language_servers_for_buffers(
3915        &mut self,
3916        buffers: Vec<Entity<Buffer>>,
3917        only_restart_servers: HashSet<LanguageServerSelector>,
3918        cx: &mut Context<Self>,
3919    ) {
3920        self.lsp_store.update(cx, |lsp_store, cx| {
3921            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3922        })
3923    }
3924
3925    pub fn stop_language_servers_for_buffers(
3926        &mut self,
3927        buffers: Vec<Entity<Buffer>>,
3928        also_restart_servers: HashSet<LanguageServerSelector>,
3929        cx: &mut Context<Self>,
3930    ) {
3931        self.lsp_store
3932            .update(cx, |lsp_store, cx| {
3933                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3934            })
3935            .detach_and_log_err(cx);
3936    }
3937
3938    pub fn cancel_language_server_work_for_buffers(
3939        &mut self,
3940        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3941        cx: &mut Context<Self>,
3942    ) {
3943        self.lsp_store.update(cx, |lsp_store, cx| {
3944            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3945        })
3946    }
3947
3948    pub fn cancel_language_server_work(
3949        &mut self,
3950        server_id: LanguageServerId,
3951        token_to_cancel: Option<ProgressToken>,
3952        cx: &mut Context<Self>,
3953    ) {
3954        self.lsp_store.update(cx, |lsp_store, cx| {
3955            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3956        })
3957    }
3958
3959    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3960        self.buffer_ordered_messages_tx
3961            .unbounded_send(message)
3962            .map_err(|e| anyhow!(e))
3963    }
3964
3965    pub fn available_toolchains(
3966        &self,
3967        path: ProjectPath,
3968        language_name: LanguageName,
3969        cx: &App,
3970    ) -> Task<Option<Toolchains>> {
3971        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3972            cx.spawn(async move |cx| {
3973                toolchain_store
3974                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3975                    .ok()?
3976                    .await
3977            })
3978        } else {
3979            Task::ready(None)
3980        }
3981    }
3982
3983    pub async fn toolchain_metadata(
3984        languages: Arc<LanguageRegistry>,
3985        language_name: LanguageName,
3986    ) -> Option<ToolchainMetadata> {
3987        languages
3988            .language_for_name(language_name.as_ref())
3989            .await
3990            .ok()?
3991            .toolchain_lister()
3992            .map(|lister| lister.meta())
3993    }
3994
3995    pub fn add_toolchain(
3996        &self,
3997        toolchain: Toolchain,
3998        scope: ToolchainScope,
3999        cx: &mut Context<Self>,
4000    ) {
4001        maybe!({
4002            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
4003                this.add_toolchain(toolchain, scope, cx);
4004            });
4005            Some(())
4006        });
4007    }
4008
4009    pub fn remove_toolchain(
4010        &self,
4011        toolchain: Toolchain,
4012        scope: ToolchainScope,
4013        cx: &mut Context<Self>,
4014    ) {
4015        maybe!({
4016            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
4017                this.remove_toolchain(toolchain, scope, cx);
4018            });
4019            Some(())
4020        });
4021    }
4022
4023    pub fn user_toolchains(
4024        &self,
4025        cx: &App,
4026    ) -> Option<BTreeMap<ToolchainScope, IndexSet<Toolchain>>> {
4027        Some(self.toolchain_store.as_ref()?.read(cx).user_toolchains())
4028    }
4029
4030    pub fn resolve_toolchain(
4031        &self,
4032        path: PathBuf,
4033        language_name: LanguageName,
4034        cx: &App,
4035    ) -> Task<Result<Toolchain>> {
4036        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
4037            cx.spawn(async move |cx| {
4038                toolchain_store
4039                    .update(cx, |this, cx| {
4040                        this.resolve_toolchain(path, language_name, cx)
4041                    })?
4042                    .await
4043            })
4044        } else {
4045            Task::ready(Err(anyhow!("This project does not support toolchains")))
4046        }
4047    }
4048
4049    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
4050        self.toolchain_store.clone()
4051    }
4052    pub fn activate_toolchain(
4053        &self,
4054        path: ProjectPath,
4055        toolchain: Toolchain,
4056        cx: &mut App,
4057    ) -> Task<Option<()>> {
4058        let Some(toolchain_store) = self.toolchain_store.clone() else {
4059            return Task::ready(None);
4060        };
4061        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
4062    }
4063    pub fn active_toolchain(
4064        &self,
4065        path: ProjectPath,
4066        language_name: LanguageName,
4067        cx: &App,
4068    ) -> Task<Option<Toolchain>> {
4069        let Some(toolchain_store) = self.toolchain_store.clone() else {
4070            return Task::ready(None);
4071        };
4072        toolchain_store
4073            .read(cx)
4074            .active_toolchain(path, language_name, cx)
4075    }
4076    pub fn language_server_statuses<'a>(
4077        &'a self,
4078        cx: &'a App,
4079    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
4080        self.lsp_store.read(cx).language_server_statuses()
4081    }
4082
4083    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
4084        self.lsp_store.read(cx).last_formatting_failure()
4085    }
4086
4087    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
4088        self.lsp_store
4089            .update(cx, |store, _| store.reset_last_formatting_failure());
4090    }
4091
4092    pub fn reload_buffers(
4093        &self,
4094        buffers: HashSet<Entity<Buffer>>,
4095        push_to_history: bool,
4096        cx: &mut Context<Self>,
4097    ) -> Task<Result<ProjectTransaction>> {
4098        self.buffer_store.update(cx, |buffer_store, cx| {
4099            buffer_store.reload_buffers(buffers, push_to_history, cx)
4100        })
4101    }
4102
4103    pub fn reload_images(
4104        &self,
4105        images: HashSet<Entity<ImageItem>>,
4106        cx: &mut Context<Self>,
4107    ) -> Task<Result<()>> {
4108        self.image_store
4109            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
4110    }
4111
4112    pub fn format(
4113        &mut self,
4114        buffers: HashSet<Entity<Buffer>>,
4115        target: LspFormatTarget,
4116        push_to_history: bool,
4117        trigger: lsp_store::FormatTrigger,
4118        cx: &mut Context<Project>,
4119    ) -> Task<anyhow::Result<ProjectTransaction>> {
4120        self.lsp_store.update(cx, |lsp_store, cx| {
4121            lsp_store.format(buffers, target, push_to_history, trigger, cx)
4122        })
4123    }
4124
4125    pub fn definitions<T: ToPointUtf16>(
4126        &mut self,
4127        buffer: &Entity<Buffer>,
4128        position: T,
4129        cx: &mut Context<Self>,
4130    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4131        let position = position.to_point_utf16(buffer.read(cx));
4132        let guard = self.retain_remotely_created_models(cx);
4133        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4134            lsp_store.definitions(buffer, position, cx)
4135        });
4136        cx.background_spawn(async move {
4137            let result = task.await;
4138            drop(guard);
4139            result
4140        })
4141    }
4142
4143    pub fn declarations<T: ToPointUtf16>(
4144        &mut self,
4145        buffer: &Entity<Buffer>,
4146        position: T,
4147        cx: &mut Context<Self>,
4148    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4149        let position = position.to_point_utf16(buffer.read(cx));
4150        let guard = self.retain_remotely_created_models(cx);
4151        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4152            lsp_store.declarations(buffer, position, cx)
4153        });
4154        cx.background_spawn(async move {
4155            let result = task.await;
4156            drop(guard);
4157            result
4158        })
4159    }
4160
4161    pub fn type_definitions<T: ToPointUtf16>(
4162        &mut self,
4163        buffer: &Entity<Buffer>,
4164        position: T,
4165        cx: &mut Context<Self>,
4166    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4167        let position = position.to_point_utf16(buffer.read(cx));
4168        let guard = self.retain_remotely_created_models(cx);
4169        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4170            lsp_store.type_definitions(buffer, position, cx)
4171        });
4172        cx.background_spawn(async move {
4173            let result = task.await;
4174            drop(guard);
4175            result
4176        })
4177    }
4178
4179    pub fn implementations<T: ToPointUtf16>(
4180        &mut self,
4181        buffer: &Entity<Buffer>,
4182        position: T,
4183        cx: &mut Context<Self>,
4184    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4185        let position = position.to_point_utf16(buffer.read(cx));
4186        let guard = self.retain_remotely_created_models(cx);
4187        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4188            lsp_store.implementations(buffer, position, cx)
4189        });
4190        cx.background_spawn(async move {
4191            let result = task.await;
4192            drop(guard);
4193            result
4194        })
4195    }
4196
4197    pub fn references<T: ToPointUtf16>(
4198        &mut self,
4199        buffer: &Entity<Buffer>,
4200        position: T,
4201        cx: &mut Context<Self>,
4202    ) -> Task<Result<Option<Vec<Location>>>> {
4203        let position = position.to_point_utf16(buffer.read(cx));
4204        let guard = self.retain_remotely_created_models(cx);
4205        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4206            lsp_store.references(buffer, position, cx)
4207        });
4208        cx.background_spawn(async move {
4209            let result = task.await;
4210            drop(guard);
4211            result
4212        })
4213    }
4214
4215    pub fn document_highlights<T: ToPointUtf16>(
4216        &mut self,
4217        buffer: &Entity<Buffer>,
4218        position: T,
4219        cx: &mut Context<Self>,
4220    ) -> Task<Result<Vec<DocumentHighlight>>> {
4221        let position = position.to_point_utf16(buffer.read(cx));
4222        self.request_lsp(
4223            buffer.clone(),
4224            LanguageServerToQuery::FirstCapable,
4225            GetDocumentHighlights { position },
4226            cx,
4227        )
4228    }
4229
4230    pub fn document_symbols(
4231        &mut self,
4232        buffer: &Entity<Buffer>,
4233        cx: &mut Context<Self>,
4234    ) -> Task<Result<Vec<DocumentSymbol>>> {
4235        self.request_lsp(
4236            buffer.clone(),
4237            LanguageServerToQuery::FirstCapable,
4238            GetDocumentSymbols,
4239            cx,
4240        )
4241    }
4242
4243    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
4244        self.lsp_store
4245            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
4246    }
4247
4248    pub fn open_buffer_for_symbol(
4249        &mut self,
4250        symbol: &Symbol,
4251        cx: &mut Context<Self>,
4252    ) -> Task<Result<Entity<Buffer>>> {
4253        self.lsp_store.update(cx, |lsp_store, cx| {
4254            lsp_store.open_buffer_for_symbol(symbol, cx)
4255        })
4256    }
4257
4258    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
4259        let guard = self.retain_remotely_created_models(cx);
4260        let Some(remote) = self.remote_client.as_ref() else {
4261            return Task::ready(Err(anyhow!("not an ssh project")));
4262        };
4263
4264        let proto_client = remote.read(cx).proto_client();
4265
4266        cx.spawn(async move |project, cx| {
4267            let buffer = proto_client
4268                .request(proto::OpenServerSettings {
4269                    project_id: REMOTE_SERVER_PROJECT_ID,
4270                })
4271                .await?;
4272
4273            let buffer = project
4274                .update(cx, |project, cx| {
4275                    project.buffer_store.update(cx, |buffer_store, cx| {
4276                        anyhow::Ok(
4277                            buffer_store
4278                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
4279                        )
4280                    })
4281                })??
4282                .await;
4283
4284            drop(guard);
4285            buffer
4286        })
4287    }
4288
4289    pub fn open_local_buffer_via_lsp(
4290        &mut self,
4291        abs_path: lsp::Uri,
4292        language_server_id: LanguageServerId,
4293        cx: &mut Context<Self>,
4294    ) -> Task<Result<Entity<Buffer>>> {
4295        self.lsp_store.update(cx, |lsp_store, cx| {
4296            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
4297        })
4298    }
4299
4300    pub fn hover<T: ToPointUtf16>(
4301        &self,
4302        buffer: &Entity<Buffer>,
4303        position: T,
4304        cx: &mut Context<Self>,
4305    ) -> Task<Option<Vec<Hover>>> {
4306        let position = position.to_point_utf16(buffer.read(cx));
4307        self.lsp_store
4308            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
4309    }
4310
4311    pub fn linked_edits(
4312        &self,
4313        buffer: &Entity<Buffer>,
4314        position: Anchor,
4315        cx: &mut Context<Self>,
4316    ) -> Task<Result<Vec<Range<Anchor>>>> {
4317        self.lsp_store.update(cx, |lsp_store, cx| {
4318            lsp_store.linked_edits(buffer, position, cx)
4319        })
4320    }
4321
4322    pub fn completions<T: ToOffset + ToPointUtf16>(
4323        &self,
4324        buffer: &Entity<Buffer>,
4325        position: T,
4326        context: CompletionContext,
4327        cx: &mut Context<Self>,
4328    ) -> Task<Result<Vec<CompletionResponse>>> {
4329        let position = position.to_point_utf16(buffer.read(cx));
4330        self.lsp_store.update(cx, |lsp_store, cx| {
4331            lsp_store.completions(buffer, position, context, cx)
4332        })
4333    }
4334
4335    pub fn code_actions<T: Clone + ToOffset>(
4336        &mut self,
4337        buffer_handle: &Entity<Buffer>,
4338        range: Range<T>,
4339        kinds: Option<Vec<CodeActionKind>>,
4340        cx: &mut Context<Self>,
4341    ) -> Task<Result<Option<Vec<CodeAction>>>> {
4342        let buffer = buffer_handle.read(cx);
4343        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
4344        self.lsp_store.update(cx, |lsp_store, cx| {
4345            lsp_store.code_actions(buffer_handle, range, kinds, cx)
4346        })
4347    }
4348
4349    pub fn code_lens_actions<T: Clone + ToOffset>(
4350        &mut self,
4351        buffer: &Entity<Buffer>,
4352        range: Range<T>,
4353        cx: &mut Context<Self>,
4354    ) -> Task<Result<Option<Vec<CodeAction>>>> {
4355        let snapshot = buffer.read(cx).snapshot();
4356        let range = range.to_point(&snapshot);
4357        let range_start = snapshot.anchor_before(range.start);
4358        let range_end = if range.start == range.end {
4359            range_start
4360        } else {
4361            snapshot.anchor_after(range.end)
4362        };
4363        let range = range_start..range_end;
4364        let code_lens_actions = self
4365            .lsp_store
4366            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
4367
4368        cx.background_spawn(async move {
4369            let mut code_lens_actions = code_lens_actions
4370                .await
4371                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
4372            if let Some(code_lens_actions) = &mut code_lens_actions {
4373                code_lens_actions.retain(|code_lens_action| {
4374                    range
4375                        .start
4376                        .cmp(&code_lens_action.range.start, &snapshot)
4377                        .is_ge()
4378                        && range
4379                            .end
4380                            .cmp(&code_lens_action.range.end, &snapshot)
4381                            .is_le()
4382                });
4383            }
4384            Ok(code_lens_actions)
4385        })
4386    }
4387
4388    pub fn apply_code_action(
4389        &self,
4390        buffer_handle: Entity<Buffer>,
4391        action: CodeAction,
4392        push_to_history: bool,
4393        cx: &mut Context<Self>,
4394    ) -> Task<Result<ProjectTransaction>> {
4395        self.lsp_store.update(cx, |lsp_store, cx| {
4396            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
4397        })
4398    }
4399
4400    pub fn apply_code_action_kind(
4401        &self,
4402        buffers: HashSet<Entity<Buffer>>,
4403        kind: CodeActionKind,
4404        push_to_history: bool,
4405        cx: &mut Context<Self>,
4406    ) -> Task<Result<ProjectTransaction>> {
4407        self.lsp_store.update(cx, |lsp_store, cx| {
4408            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
4409        })
4410    }
4411
4412    pub fn prepare_rename<T: ToPointUtf16>(
4413        &mut self,
4414        buffer: Entity<Buffer>,
4415        position: T,
4416        cx: &mut Context<Self>,
4417    ) -> Task<Result<PrepareRenameResponse>> {
4418        let position = position.to_point_utf16(buffer.read(cx));
4419        self.request_lsp(
4420            buffer,
4421            LanguageServerToQuery::FirstCapable,
4422            PrepareRename { position },
4423            cx,
4424        )
4425    }
4426
4427    pub fn perform_rename<T: ToPointUtf16>(
4428        &mut self,
4429        buffer: Entity<Buffer>,
4430        position: T,
4431        new_name: String,
4432        cx: &mut Context<Self>,
4433    ) -> Task<Result<ProjectTransaction>> {
4434        let push_to_history = true;
4435        let position = position.to_point_utf16(buffer.read(cx));
4436        self.request_lsp(
4437            buffer,
4438            LanguageServerToQuery::FirstCapable,
4439            PerformRename {
4440                position,
4441                new_name,
4442                push_to_history,
4443            },
4444            cx,
4445        )
4446    }
4447
4448    pub fn on_type_format<T: ToPointUtf16>(
4449        &mut self,
4450        buffer: Entity<Buffer>,
4451        position: T,
4452        trigger: String,
4453        push_to_history: bool,
4454        cx: &mut Context<Self>,
4455    ) -> Task<Result<Option<Transaction>>> {
4456        self.lsp_store.update(cx, |lsp_store, cx| {
4457            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
4458        })
4459    }
4460
4461    pub fn inline_values(
4462        &mut self,
4463        session: Entity<Session>,
4464        active_stack_frame: ActiveStackFrame,
4465        buffer_handle: Entity<Buffer>,
4466        range: Range<text::Anchor>,
4467        cx: &mut Context<Self>,
4468    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
4469        let snapshot = buffer_handle.read(cx).snapshot();
4470
4471        let captures =
4472            snapshot.debug_variables_query(Anchor::min_for_buffer(snapshot.remote_id())..range.end);
4473
4474        let row = snapshot
4475            .summary_for_anchor::<text::PointUtf16>(&range.end)
4476            .row as usize;
4477
4478        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
4479
4480        let stack_frame_id = active_stack_frame.stack_frame_id;
4481        cx.spawn(async move |this, cx| {
4482            this.update(cx, |project, cx| {
4483                project.dap_store().update(cx, |dap_store, cx| {
4484                    dap_store.resolve_inline_value_locations(
4485                        session,
4486                        stack_frame_id,
4487                        buffer_handle,
4488                        inline_value_locations,
4489                        cx,
4490                    )
4491                })
4492            })?
4493            .await
4494        })
4495    }
4496
4497    fn search_impl(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> SearchResultsHandle {
4498        let client: Option<(AnyProtoClient, _)> = if let Some(ssh_client) = &self.remote_client {
4499            Some((ssh_client.read(cx).proto_client(), 0))
4500        } else if let Some(remote_id) = self.remote_id() {
4501            self.is_local()
4502                .not()
4503                .then(|| (self.collab_client.clone().into(), remote_id))
4504        } else {
4505            None
4506        };
4507        let searcher = if query.is_opened_only() {
4508            project_search::Search::open_buffers_only(
4509                self.buffer_store.clone(),
4510                self.worktree_store.clone(),
4511                project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4512            )
4513        } else {
4514            match client {
4515                Some((client, remote_id)) => project_search::Search::remote(
4516                    self.buffer_store.clone(),
4517                    self.worktree_store.clone(),
4518                    project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4519                    (client, remote_id, self.remotely_created_models.clone()),
4520                ),
4521                None => project_search::Search::local(
4522                    self.fs.clone(),
4523                    self.buffer_store.clone(),
4524                    self.worktree_store.clone(),
4525                    project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4526                    cx,
4527                ),
4528            }
4529        };
4530        searcher.into_handle(query, cx)
4531    }
4532
4533    pub fn search(
4534        &mut self,
4535        query: SearchQuery,
4536        cx: &mut Context<Self>,
4537    ) -> SearchResults<SearchResult> {
4538        self.search_impl(query, cx).results(cx)
4539    }
4540
4541    pub fn request_lsp<R: LspCommand>(
4542        &mut self,
4543        buffer_handle: Entity<Buffer>,
4544        server: LanguageServerToQuery,
4545        request: R,
4546        cx: &mut Context<Self>,
4547    ) -> Task<Result<R::Response>>
4548    where
4549        <R::LspRequest as lsp::request::Request>::Result: Send,
4550        <R::LspRequest as lsp::request::Request>::Params: Send,
4551    {
4552        let guard = self.retain_remotely_created_models(cx);
4553        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4554            lsp_store.request_lsp(buffer_handle, server, request, cx)
4555        });
4556        cx.background_spawn(async move {
4557            let result = task.await;
4558            drop(guard);
4559            result
4560        })
4561    }
4562
4563    /// Move a worktree to a new position in the worktree order.
4564    ///
4565    /// The worktree will moved to the opposite side of the destination worktree.
4566    ///
4567    /// # Example
4568    ///
4569    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4570    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4571    ///
4572    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4573    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4574    ///
4575    /// # Errors
4576    ///
4577    /// An error will be returned if the worktree or destination worktree are not found.
4578    pub fn move_worktree(
4579        &mut self,
4580        source: WorktreeId,
4581        destination: WorktreeId,
4582        cx: &mut Context<Self>,
4583    ) -> Result<()> {
4584        self.worktree_store.update(cx, |worktree_store, cx| {
4585            worktree_store.move_worktree(source, destination, cx)
4586        })
4587    }
4588
4589    /// 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.
4590    pub fn try_windows_path_to_wsl(
4591        &self,
4592        abs_path: &Path,
4593        cx: &App,
4594    ) -> impl Future<Output = Result<PathBuf>> + use<> {
4595        let fut = if cfg!(windows)
4596            && let (
4597                ProjectClientState::Local | ProjectClientState::Shared { .. },
4598                Some(remote_client),
4599            ) = (&self.client_state, &self.remote_client)
4600            && let RemoteConnectionOptions::Wsl(wsl) = remote_client.read(cx).connection_options()
4601        {
4602            Either::Left(wsl.abs_windows_path_to_wsl_path(abs_path))
4603        } else {
4604            Either::Right(abs_path.to_owned())
4605        };
4606        async move {
4607            match fut {
4608                Either::Left(fut) => fut.await.map(Into::into),
4609                Either::Right(path) => Ok(path),
4610            }
4611        }
4612    }
4613
4614    pub fn find_or_create_worktree(
4615        &mut self,
4616        abs_path: impl AsRef<Path>,
4617        visible: bool,
4618        cx: &mut Context<Self>,
4619    ) -> Task<Result<(Entity<Worktree>, Arc<RelPath>)>> {
4620        self.worktree_store.update(cx, |worktree_store, cx| {
4621            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4622        })
4623    }
4624
4625    pub fn find_worktree(
4626        &self,
4627        abs_path: &Path,
4628        cx: &App,
4629    ) -> Option<(Entity<Worktree>, Arc<RelPath>)> {
4630        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4631    }
4632
4633    pub fn is_shared(&self) -> bool {
4634        match &self.client_state {
4635            ProjectClientState::Shared { .. } => true,
4636            ProjectClientState::Local => false,
4637            ProjectClientState::Collab { .. } => true,
4638        }
4639    }
4640
4641    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4642    pub fn resolve_path_in_buffer(
4643        &self,
4644        path: &str,
4645        buffer: &Entity<Buffer>,
4646        cx: &mut Context<Self>,
4647    ) -> Task<Option<ResolvedPath>> {
4648        if util::paths::is_absolute(path, self.path_style(cx)) || path.starts_with("~") {
4649            self.resolve_abs_path(path, cx)
4650        } else {
4651            self.resolve_path_in_worktrees(path, buffer, cx)
4652        }
4653    }
4654
4655    pub fn resolve_abs_file_path(
4656        &self,
4657        path: &str,
4658        cx: &mut Context<Self>,
4659    ) -> Task<Option<ResolvedPath>> {
4660        let resolve_task = self.resolve_abs_path(path, cx);
4661        cx.background_spawn(async move {
4662            let resolved_path = resolve_task.await;
4663            resolved_path.filter(|path| path.is_file())
4664        })
4665    }
4666
4667    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4668        if self.is_local() {
4669            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4670            let fs = self.fs.clone();
4671            cx.background_spawn(async move {
4672                let metadata = fs.metadata(&expanded).await.ok().flatten();
4673
4674                metadata.map(|metadata| ResolvedPath::AbsPath {
4675                    path: expanded.to_string_lossy().into_owned(),
4676                    is_dir: metadata.is_dir,
4677                })
4678            })
4679        } else if let Some(ssh_client) = self.remote_client.as_ref() {
4680            let request = ssh_client
4681                .read(cx)
4682                .proto_client()
4683                .request(proto::GetPathMetadata {
4684                    project_id: REMOTE_SERVER_PROJECT_ID,
4685                    path: path.into(),
4686                });
4687            cx.background_spawn(async move {
4688                let response = request.await.log_err()?;
4689                if response.exists {
4690                    Some(ResolvedPath::AbsPath {
4691                        path: response.path,
4692                        is_dir: response.is_dir,
4693                    })
4694                } else {
4695                    None
4696                }
4697            })
4698        } else {
4699            Task::ready(None)
4700        }
4701    }
4702
4703    fn resolve_path_in_worktrees(
4704        &self,
4705        path: &str,
4706        buffer: &Entity<Buffer>,
4707        cx: &mut Context<Self>,
4708    ) -> Task<Option<ResolvedPath>> {
4709        let mut candidates = vec![];
4710        let path_style = self.path_style(cx);
4711        if let Ok(path) = RelPath::new(path.as_ref(), path_style) {
4712            candidates.push(path.into_arc());
4713        }
4714
4715        if let Some(file) = buffer.read(cx).file()
4716            && let Some(dir) = file.path().parent()
4717        {
4718            if let Some(joined) = path_style.join(&*dir.display(path_style), path)
4719                && let Some(joined) = RelPath::new(joined.as_ref(), path_style).ok()
4720            {
4721                candidates.push(joined.into_arc());
4722            }
4723        }
4724
4725        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4726        let worktrees_with_ids: Vec<_> = self
4727            .worktrees(cx)
4728            .map(|worktree| {
4729                let id = worktree.read(cx).id();
4730                (worktree, id)
4731            })
4732            .collect();
4733
4734        cx.spawn(async move |_, cx| {
4735            if let Some(buffer_worktree_id) = buffer_worktree_id
4736                && let Some((worktree, _)) = worktrees_with_ids
4737                    .iter()
4738                    .find(|(_, id)| *id == buffer_worktree_id)
4739            {
4740                for candidate in candidates.iter() {
4741                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4742                        return Some(path);
4743                    }
4744                }
4745            }
4746            for (worktree, id) in worktrees_with_ids {
4747                if Some(id) == buffer_worktree_id {
4748                    continue;
4749                }
4750                for candidate in candidates.iter() {
4751                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4752                        return Some(path);
4753                    }
4754                }
4755            }
4756            None
4757        })
4758    }
4759
4760    fn resolve_path_in_worktree(
4761        worktree: &Entity<Worktree>,
4762        path: &RelPath,
4763        cx: &mut AsyncApp,
4764    ) -> Option<ResolvedPath> {
4765        worktree.read_with(cx, |worktree, _| {
4766            worktree.entry_for_path(path).map(|entry| {
4767                let project_path = ProjectPath {
4768                    worktree_id: worktree.id(),
4769                    path: entry.path.clone(),
4770                };
4771                ResolvedPath::ProjectPath {
4772                    project_path,
4773                    is_dir: entry.is_dir(),
4774                }
4775            })
4776        })
4777    }
4778
4779    pub fn list_directory(
4780        &self,
4781        query: String,
4782        cx: &mut Context<Self>,
4783    ) -> Task<Result<Vec<DirectoryItem>>> {
4784        if self.is_local() {
4785            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4786        } else if let Some(session) = self.remote_client.as_ref() {
4787            let request = proto::ListRemoteDirectory {
4788                dev_server_id: REMOTE_SERVER_PROJECT_ID,
4789                path: query,
4790                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4791            };
4792
4793            let response = session.read(cx).proto_client().request(request);
4794            cx.background_spawn(async move {
4795                let proto::ListRemoteDirectoryResponse {
4796                    entries,
4797                    entry_info,
4798                } = response.await?;
4799                Ok(entries
4800                    .into_iter()
4801                    .zip(entry_info)
4802                    .map(|(entry, info)| DirectoryItem {
4803                        path: PathBuf::from(entry),
4804                        is_dir: info.is_dir,
4805                    })
4806                    .collect())
4807            })
4808        } else {
4809            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4810        }
4811    }
4812
4813    pub fn create_worktree(
4814        &mut self,
4815        abs_path: impl AsRef<Path>,
4816        visible: bool,
4817        cx: &mut Context<Self>,
4818    ) -> Task<Result<Entity<Worktree>>> {
4819        self.worktree_store.update(cx, |worktree_store, cx| {
4820            worktree_store.create_worktree(abs_path, visible, cx)
4821        })
4822    }
4823
4824    /// Returns a task that resolves when the given worktree's `Entity` is
4825    /// fully dropped (all strong references released), not merely when
4826    /// `remove_worktree` is called. `remove_worktree` drops the store's
4827    /// reference and emits `WorktreeRemoved`, but other code may still
4828    /// hold a strong handle — the worktree isn't safe to delete from
4829    /// disk until every handle is gone.
4830    ///
4831    /// We use `observe_release` on the specific entity rather than
4832    /// listening for `WorktreeReleased` events because it's simpler at
4833    /// the call site (one awaitable task, no subscription / channel /
4834    /// ID filtering).
4835    pub fn wait_for_worktree_release(
4836        &mut self,
4837        worktree_id: WorktreeId,
4838        cx: &mut Context<Self>,
4839    ) -> Task<Result<()>> {
4840        let Some(worktree) = self.worktree_for_id(worktree_id, cx) else {
4841            return Task::ready(Ok(()));
4842        };
4843
4844        let (released_tx, released_rx) = futures::channel::oneshot::channel();
4845        let released_tx = std::sync::Arc::new(Mutex::new(Some(released_tx)));
4846        let release_subscription =
4847            cx.observe_release(&worktree, move |_project, _released_worktree, _cx| {
4848                if let Some(released_tx) = released_tx.lock().take() {
4849                    let _ = released_tx.send(());
4850                }
4851            });
4852
4853        cx.spawn(async move |_project, _cx| {
4854            let _release_subscription = release_subscription;
4855            released_rx
4856                .await
4857                .map_err(|_| anyhow!("worktree release observer dropped before release"))?;
4858            Ok(())
4859        })
4860    }
4861
4862    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4863        self.worktree_store.update(cx, |worktree_store, cx| {
4864            worktree_store.remove_worktree(id_to_remove, cx);
4865        });
4866    }
4867
4868    pub fn remove_worktree_for_main_worktree_path(
4869        &mut self,
4870        path: impl AsRef<Path>,
4871        cx: &mut Context<Self>,
4872    ) {
4873        let path = path.as_ref();
4874        self.worktree_store.update(cx, |worktree_store, cx| {
4875            if let Some(worktree) = worktree_store.worktree_for_main_worktree_path(path, cx) {
4876                worktree_store.remove_worktree(worktree.read(cx).id(), cx);
4877            }
4878        });
4879    }
4880
4881    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4882        self.worktree_store.update(cx, |worktree_store, cx| {
4883            worktree_store.add(worktree, cx);
4884        });
4885    }
4886
4887    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4888        let new_active_entry = entry.and_then(|project_path| {
4889            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4890            let entry = worktree.read(cx).entry_for_path(&project_path.path)?;
4891            Some(entry.id)
4892        });
4893        if new_active_entry != self.active_entry {
4894            self.active_entry = new_active_entry;
4895            self.lsp_store.update(cx, |lsp_store, _| {
4896                lsp_store.set_active_entry(new_active_entry);
4897            });
4898            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4899        }
4900    }
4901
4902    pub fn language_servers_running_disk_based_diagnostics<'a>(
4903        &'a self,
4904        cx: &'a App,
4905    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4906        self.lsp_store
4907            .read(cx)
4908            .language_servers_running_disk_based_diagnostics()
4909    }
4910
4911    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4912        self.lsp_store
4913            .read(cx)
4914            .diagnostic_summary(include_ignored, cx)
4915    }
4916
4917    /// Returns a summary of the diagnostics for the provided project path only.
4918    pub fn diagnostic_summary_for_path(&self, path: &ProjectPath, cx: &App) -> DiagnosticSummary {
4919        self.lsp_store
4920            .read(cx)
4921            .diagnostic_summary_for_path(path, cx)
4922    }
4923
4924    pub fn diagnostic_summaries<'a>(
4925        &'a self,
4926        include_ignored: bool,
4927        cx: &'a App,
4928    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4929        self.lsp_store
4930            .read(cx)
4931            .diagnostic_summaries(include_ignored, cx)
4932    }
4933
4934    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4935        self.active_entry
4936    }
4937
4938    pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
4939        self.worktree_store.read(cx).entry_for_path(path, cx)
4940    }
4941
4942    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4943        let worktree = self.worktree_for_entry(entry_id, cx)?;
4944        let worktree = worktree.read(cx);
4945        let worktree_id = worktree.id();
4946        let path = worktree.entry_for_id(entry_id)?.path.clone();
4947        Some(ProjectPath { worktree_id, path })
4948    }
4949
4950    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4951        Some(
4952            self.worktree_for_id(project_path.worktree_id, cx)?
4953                .read(cx)
4954                .absolutize(&project_path.path),
4955        )
4956    }
4957
4958    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4959    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4960    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4961    /// the first visible worktree that has an entry for that relative path.
4962    ///
4963    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4964    /// root name from paths.
4965    ///
4966    /// # Arguments
4967    ///
4968    /// * `path` - An absolute path, or a full path that starts with a worktree root name, or a
4969    ///   relative path within a visible worktree.
4970    /// * `cx` - A reference to the `AppContext`.
4971    ///
4972    /// # Returns
4973    ///
4974    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4975    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4976        let path_style = self.path_style(cx);
4977        let path = path.as_ref();
4978        let worktree_store = self.worktree_store.read(cx);
4979
4980        if is_absolute(&path.to_string_lossy(), path_style) {
4981            for worktree in worktree_store.visible_worktrees(cx) {
4982                let worktree_abs_path = worktree.read(cx).abs_path();
4983
4984                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path)
4985                    && let Ok(path) = RelPath::new(relative_path, path_style)
4986                {
4987                    return Some(ProjectPath {
4988                        worktree_id: worktree.read(cx).id(),
4989                        path: path.into_arc(),
4990                    });
4991                }
4992            }
4993        } else {
4994            for worktree in worktree_store.visible_worktrees(cx) {
4995                let worktree = worktree.read(cx);
4996                if let Ok(rel_path) = RelPath::new(path, path_style) {
4997                    if let Some(entry) = worktree.entry_for_path(&rel_path) {
4998                        return Some(ProjectPath {
4999                            worktree_id: worktree.id(),
5000                            path: entry.path.clone(),
5001                        });
5002                    }
5003                }
5004            }
5005
5006            for worktree in worktree_store.visible_worktrees(cx) {
5007                let worktree_root_name = worktree.read(cx).root_name();
5008                if let Ok(relative_path) = path.strip_prefix(worktree_root_name.as_std_path())
5009                    && let Ok(path) = RelPath::new(relative_path, path_style)
5010                {
5011                    return Some(ProjectPath {
5012                        worktree_id: worktree.read(cx).id(),
5013                        path: path.into_arc(),
5014                    });
5015                }
5016            }
5017        }
5018
5019        None
5020    }
5021
5022    /// If there's only one visible worktree, returns the given worktree-relative path with no prefix.
5023    ///
5024    /// Otherwise, returns the full path for the project path (obtained by prefixing the worktree-relative path with the name of the worktree).
5025    pub fn short_full_path_for_project_path(
5026        &self,
5027        project_path: &ProjectPath,
5028        cx: &App,
5029    ) -> Option<String> {
5030        let path_style = self.path_style(cx);
5031        if self.visible_worktrees(cx).take(2).count() < 2 {
5032            return Some(project_path.path.display(path_style).to_string());
5033        }
5034        self.worktree_for_id(project_path.worktree_id, cx)
5035            .map(|worktree| {
5036                let worktree_name = worktree.read(cx).root_name();
5037                worktree_name
5038                    .join(&project_path.path)
5039                    .display(path_style)
5040                    .to_string()
5041            })
5042    }
5043
5044    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
5045        self.worktree_store
5046            .read(cx)
5047            .project_path_for_absolute_path(abs_path, cx)
5048    }
5049
5050    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
5051        Some(
5052            self.worktree_for_id(project_path.worktree_id, cx)?
5053                .read(cx)
5054                .abs_path()
5055                .to_path_buf(),
5056        )
5057    }
5058
5059    pub fn blame_buffer(
5060        &self,
5061        buffer: &Entity<Buffer>,
5062        version: Option<clock::Global>,
5063        cx: &mut App,
5064    ) -> Task<Result<Option<Blame>>> {
5065        self.git_store.update(cx, |git_store, cx| {
5066            git_store.blame_buffer(buffer, version, cx)
5067        })
5068    }
5069
5070    pub fn get_permalink_to_line(
5071        &self,
5072        buffer: &Entity<Buffer>,
5073        selection: Range<u32>,
5074        cx: &mut App,
5075    ) -> Task<Result<url::Url>> {
5076        self.git_store.update(cx, |git_store, cx| {
5077            git_store.get_permalink_to_line(buffer, selection, cx)
5078        })
5079    }
5080
5081    // RPC message handlers
5082
5083    async fn handle_unshare_project(
5084        this: Entity<Self>,
5085        _: TypedEnvelope<proto::UnshareProject>,
5086        mut cx: AsyncApp,
5087    ) -> Result<()> {
5088        this.update(&mut cx, |this, cx| {
5089            if this.is_local() || this.is_via_remote_server() {
5090                this.unshare(cx)?;
5091            } else {
5092                this.disconnected_from_host(cx);
5093            }
5094            Ok(())
5095        })
5096    }
5097
5098    async fn handle_add_collaborator(
5099        this: Entity<Self>,
5100        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
5101        mut cx: AsyncApp,
5102    ) -> Result<()> {
5103        let collaborator = envelope
5104            .payload
5105            .collaborator
5106            .take()
5107            .context("empty collaborator")?;
5108
5109        let collaborator = Collaborator::from_proto(collaborator)?;
5110        this.update(&mut cx, |this, cx| {
5111            this.buffer_store.update(cx, |buffer_store, _| {
5112                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
5113            });
5114            this.breakpoint_store.read(cx).broadcast();
5115            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
5116            this.collaborators
5117                .insert(collaborator.peer_id, collaborator);
5118        });
5119
5120        Ok(())
5121    }
5122
5123    async fn handle_update_project_collaborator(
5124        this: Entity<Self>,
5125        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
5126        mut cx: AsyncApp,
5127    ) -> Result<()> {
5128        let old_peer_id = envelope
5129            .payload
5130            .old_peer_id
5131            .context("missing old peer id")?;
5132        let new_peer_id = envelope
5133            .payload
5134            .new_peer_id
5135            .context("missing new peer id")?;
5136        this.update(&mut cx, |this, cx| {
5137            let collaborator = this
5138                .collaborators
5139                .remove(&old_peer_id)
5140                .context("received UpdateProjectCollaborator for unknown peer")?;
5141            let is_host = collaborator.is_host;
5142            this.collaborators.insert(new_peer_id, collaborator);
5143
5144            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
5145            this.buffer_store.update(cx, |buffer_store, _| {
5146                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
5147            });
5148
5149            if is_host {
5150                this.buffer_store
5151                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
5152                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
5153                    .unwrap();
5154                cx.emit(Event::HostReshared);
5155            }
5156
5157            cx.emit(Event::CollaboratorUpdated {
5158                old_peer_id,
5159                new_peer_id,
5160            });
5161            Ok(())
5162        })
5163    }
5164
5165    async fn handle_remove_collaborator(
5166        this: Entity<Self>,
5167        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
5168        mut cx: AsyncApp,
5169    ) -> Result<()> {
5170        this.update(&mut cx, |this, cx| {
5171            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
5172            let replica_id = this
5173                .collaborators
5174                .remove(&peer_id)
5175                .with_context(|| format!("unknown peer {peer_id:?}"))?
5176                .replica_id;
5177            this.buffer_store.update(cx, |buffer_store, cx| {
5178                buffer_store.forget_shared_buffers_for(&peer_id);
5179                for buffer in buffer_store.buffers() {
5180                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
5181                }
5182            });
5183            this.git_store.update(cx, |git_store, _| {
5184                git_store.forget_shared_diffs_for(&peer_id);
5185            });
5186
5187            cx.emit(Event::CollaboratorLeft(peer_id));
5188            Ok(())
5189        })
5190    }
5191
5192    async fn handle_update_project(
5193        this: Entity<Self>,
5194        envelope: TypedEnvelope<proto::UpdateProject>,
5195        mut cx: AsyncApp,
5196    ) -> Result<()> {
5197        this.update(&mut cx, |this, cx| {
5198            // Don't handle messages that were sent before the response to us joining the project
5199            if envelope.message_id > this.join_project_response_message_id {
5200                cx.update_global::<SettingsStore, _>(|store, cx| {
5201                    for worktree_metadata in &envelope.payload.worktrees {
5202                        store
5203                            .clear_local_settings(WorktreeId::from_proto(worktree_metadata.id), cx)
5204                            .log_err();
5205                    }
5206                });
5207
5208                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
5209            }
5210            Ok(())
5211        })
5212    }
5213
5214    async fn handle_toast(
5215        this: Entity<Self>,
5216        envelope: TypedEnvelope<proto::Toast>,
5217        mut cx: AsyncApp,
5218    ) -> Result<()> {
5219        this.update(&mut cx, |_, cx| {
5220            cx.emit(Event::Toast {
5221                notification_id: envelope.payload.notification_id.into(),
5222                message: envelope.payload.message,
5223                link: None,
5224            });
5225            Ok(())
5226        })
5227    }
5228
5229    async fn handle_language_server_prompt_request(
5230        this: Entity<Self>,
5231        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
5232        mut cx: AsyncApp,
5233    ) -> Result<proto::LanguageServerPromptResponse> {
5234        let (tx, rx) = smol::channel::bounded(1);
5235        let actions: Vec<_> = envelope
5236            .payload
5237            .actions
5238            .into_iter()
5239            .map(|action| MessageActionItem {
5240                title: action,
5241                properties: Default::default(),
5242            })
5243            .collect();
5244        this.update(&mut cx, |_, cx| {
5245            cx.emit(Event::LanguageServerPrompt(
5246                LanguageServerPromptRequest::new(
5247                    proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
5248                    envelope.payload.message,
5249                    actions.clone(),
5250                    envelope.payload.lsp_name,
5251                    tx,
5252                ),
5253            ));
5254
5255            anyhow::Ok(())
5256        })?;
5257
5258        // We drop `this` to avoid holding a reference in this future for too
5259        // long.
5260        // If we keep the reference, we might not drop the `Project` early
5261        // enough when closing a window and it will only get releases on the
5262        // next `flush_effects()` call.
5263        drop(this);
5264
5265        let mut rx = pin!(rx);
5266        let answer = rx.next().await;
5267
5268        Ok(LanguageServerPromptResponse {
5269            action_response: answer.and_then(|answer| {
5270                actions
5271                    .iter()
5272                    .position(|action| *action == answer)
5273                    .map(|index| index as u64)
5274            }),
5275        })
5276    }
5277
5278    async fn handle_hide_toast(
5279        this: Entity<Self>,
5280        envelope: TypedEnvelope<proto::HideToast>,
5281        mut cx: AsyncApp,
5282    ) -> Result<()> {
5283        this.update(&mut cx, |_, cx| {
5284            cx.emit(Event::HideToast {
5285                notification_id: envelope.payload.notification_id.into(),
5286            });
5287            Ok(())
5288        })
5289    }
5290
5291    // Collab sends UpdateWorktree protos as messages
5292    async fn handle_update_worktree(
5293        this: Entity<Self>,
5294        envelope: TypedEnvelope<proto::UpdateWorktree>,
5295        mut cx: AsyncApp,
5296    ) -> Result<()> {
5297        this.update(&mut cx, |project, cx| {
5298            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5299            if let Some(worktree) = project.worktree_for_id(worktree_id, cx) {
5300                worktree.update(cx, |worktree, _| {
5301                    let worktree = worktree.as_remote_mut().unwrap();
5302                    worktree.update_from_remote(envelope.payload);
5303                });
5304            }
5305            Ok(())
5306        })
5307    }
5308
5309    async fn handle_update_buffer_from_remote_server(
5310        this: Entity<Self>,
5311        envelope: TypedEnvelope<proto::UpdateBuffer>,
5312        cx: AsyncApp,
5313    ) -> Result<proto::Ack> {
5314        let buffer_store = this.read_with(&cx, |this, cx| {
5315            if let Some(remote_id) = this.remote_id() {
5316                let mut payload = envelope.payload.clone();
5317                payload.project_id = remote_id;
5318                cx.background_spawn(this.collab_client.request(payload))
5319                    .detach_and_log_err(cx);
5320            }
5321            this.buffer_store.clone()
5322        });
5323        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
5324    }
5325
5326    async fn handle_trust_worktrees(
5327        this: Entity<Self>,
5328        envelope: TypedEnvelope<proto::TrustWorktrees>,
5329        mut cx: AsyncApp,
5330    ) -> Result<proto::Ack> {
5331        if this.read_with(&cx, |project, _| project.is_via_collab()) {
5332            return Ok(proto::Ack {});
5333        }
5334
5335        let trusted_worktrees = cx
5336            .update(|cx| TrustedWorktrees::try_get_global(cx))
5337            .context("missing trusted worktrees")?;
5338        trusted_worktrees.update(&mut cx, |trusted_worktrees, cx| {
5339            trusted_worktrees.trust(
5340                &this.read(cx).worktree_store(),
5341                envelope
5342                    .payload
5343                    .trusted_paths
5344                    .into_iter()
5345                    .filter_map(|proto_path| PathTrust::from_proto(proto_path))
5346                    .collect(),
5347                cx,
5348            );
5349        });
5350        Ok(proto::Ack {})
5351    }
5352
5353    async fn handle_restrict_worktrees(
5354        this: Entity<Self>,
5355        envelope: TypedEnvelope<proto::RestrictWorktrees>,
5356        mut cx: AsyncApp,
5357    ) -> Result<proto::Ack> {
5358        if this.read_with(&cx, |project, _| project.is_via_collab()) {
5359            return Ok(proto::Ack {});
5360        }
5361
5362        let trusted_worktrees = cx
5363            .update(|cx| TrustedWorktrees::try_get_global(cx))
5364            .context("missing trusted worktrees")?;
5365        trusted_worktrees.update(&mut cx, |trusted_worktrees, cx| {
5366            let worktree_store = this.read(cx).worktree_store().downgrade();
5367            let restricted_paths = envelope
5368                .payload
5369                .worktree_ids
5370                .into_iter()
5371                .map(WorktreeId::from_proto)
5372                .map(PathTrust::Worktree)
5373                .collect::<HashSet<_>>();
5374            trusted_worktrees.restrict(worktree_store, restricted_paths, cx);
5375        });
5376        Ok(proto::Ack {})
5377    }
5378
5379    // Goes from host to client.
5380    async fn handle_find_search_candidates_chunk(
5381        this: Entity<Self>,
5382        envelope: TypedEnvelope<proto::FindSearchCandidatesChunk>,
5383        mut cx: AsyncApp,
5384    ) -> Result<proto::Ack> {
5385        let buffer_store = this.read_with(&mut cx, |this, _| this.buffer_store.clone());
5386        BufferStore::handle_find_search_candidates_chunk(buffer_store, envelope, cx).await
5387    }
5388
5389    // Goes from client to host.
5390    async fn handle_find_search_candidates_cancel(
5391        this: Entity<Self>,
5392        envelope: TypedEnvelope<proto::FindSearchCandidatesCancelled>,
5393        mut cx: AsyncApp,
5394    ) -> Result<()> {
5395        let buffer_store = this.read_with(&mut cx, |this, _| this.buffer_store.clone());
5396        BufferStore::handle_find_search_candidates_cancel(buffer_store, envelope, cx).await
5397    }
5398
5399    async fn handle_update_buffer(
5400        this: Entity<Self>,
5401        envelope: TypedEnvelope<proto::UpdateBuffer>,
5402        cx: AsyncApp,
5403    ) -> Result<proto::Ack> {
5404        let buffer_store = this.read_with(&cx, |this, cx| {
5405            if let Some(ssh) = &this.remote_client {
5406                let mut payload = envelope.payload.clone();
5407                payload.project_id = REMOTE_SERVER_PROJECT_ID;
5408                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
5409                    .detach_and_log_err(cx);
5410            }
5411            this.buffer_store.clone()
5412        });
5413        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
5414    }
5415
5416    fn retain_remotely_created_models(
5417        &mut self,
5418        cx: &mut Context<Self>,
5419    ) -> RemotelyCreatedModelGuard {
5420        Self::retain_remotely_created_models_impl(
5421            &self.remotely_created_models,
5422            &self.buffer_store,
5423            &self.worktree_store,
5424            cx,
5425        )
5426    }
5427
5428    fn retain_remotely_created_models_impl(
5429        models: &Arc<Mutex<RemotelyCreatedModels>>,
5430        buffer_store: &Entity<BufferStore>,
5431        worktree_store: &Entity<WorktreeStore>,
5432        cx: &mut App,
5433    ) -> RemotelyCreatedModelGuard {
5434        {
5435            let mut remotely_create_models = models.lock();
5436            if remotely_create_models.retain_count == 0 {
5437                remotely_create_models.buffers = buffer_store.read(cx).buffers().collect();
5438                remotely_create_models.worktrees = worktree_store.read(cx).worktrees().collect();
5439            }
5440            remotely_create_models.retain_count += 1;
5441        }
5442        RemotelyCreatedModelGuard {
5443            remote_models: Arc::downgrade(&models),
5444        }
5445    }
5446
5447    async fn handle_create_buffer_for_peer(
5448        this: Entity<Self>,
5449        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
5450        mut cx: AsyncApp,
5451    ) -> Result<()> {
5452        this.update(&mut cx, |this, cx| {
5453            this.buffer_store.update(cx, |buffer_store, cx| {
5454                buffer_store.handle_create_buffer_for_peer(
5455                    envelope,
5456                    this.replica_id(),
5457                    this.capability(),
5458                    cx,
5459                )
5460            })
5461        })
5462    }
5463
5464    async fn handle_toggle_lsp_logs(
5465        project: Entity<Self>,
5466        envelope: TypedEnvelope<proto::ToggleLspLogs>,
5467        mut cx: AsyncApp,
5468    ) -> Result<()> {
5469        let toggled_log_kind =
5470            match proto::toggle_lsp_logs::LogType::from_i32(envelope.payload.log_type)
5471                .context("invalid log type")?
5472            {
5473                proto::toggle_lsp_logs::LogType::Log => LogKind::Logs,
5474                proto::toggle_lsp_logs::LogType::Trace => LogKind::Trace,
5475                proto::toggle_lsp_logs::LogType::Rpc => LogKind::Rpc,
5476            };
5477        project.update(&mut cx, |_, cx| {
5478            cx.emit(Event::ToggleLspLogs {
5479                server_id: LanguageServerId::from_proto(envelope.payload.server_id),
5480                enabled: envelope.payload.enabled,
5481                toggled_log_kind,
5482            })
5483        });
5484        Ok(())
5485    }
5486
5487    async fn handle_synchronize_buffers(
5488        this: Entity<Self>,
5489        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
5490        mut cx: AsyncApp,
5491    ) -> Result<proto::SynchronizeBuffersResponse> {
5492        let response = this.update(&mut cx, |this, cx| {
5493            let client = this.collab_client.clone();
5494            this.buffer_store.update(cx, |this, cx| {
5495                this.handle_synchronize_buffers(envelope, cx, client)
5496            })
5497        })?;
5498
5499        Ok(response)
5500    }
5501
5502    // Goes from client to host.
5503    async fn handle_search_candidate_buffers(
5504        this: Entity<Self>,
5505        envelope: TypedEnvelope<proto::FindSearchCandidates>,
5506        mut cx: AsyncApp,
5507    ) -> Result<proto::Ack> {
5508        let peer_id = envelope.original_sender_id.unwrap_or(envelope.sender_id);
5509        let message = envelope.payload;
5510        let project_id = message.project_id;
5511        let path_style = this.read_with(&cx, |this, cx| this.path_style(cx));
5512        let query =
5513            SearchQuery::from_proto(message.query.context("missing query field")?, path_style)?;
5514
5515        let handle = message.handle;
5516        let buffer_store = this.read_with(&cx, |this, _| this.buffer_store().clone());
5517        let client = this.read_with(&cx, |this, _| this.client());
5518        let task = cx.spawn(async move |cx| {
5519            let results = this.update(cx, |this, cx| {
5520                this.search_impl(query, cx).matching_buffers(cx)
5521            });
5522            let (batcher, batches) = project_search::AdaptiveBatcher::new(cx.background_executor());
5523            let mut new_matches = Box::pin(results.rx);
5524
5525            let sender_task = cx.background_executor().spawn({
5526                let client = client.clone();
5527                async move {
5528                    let mut batches = std::pin::pin!(batches);
5529                    while let Some(buffer_ids) = batches.next().await {
5530                        client
5531                            .request(proto::FindSearchCandidatesChunk {
5532                                handle,
5533                                peer_id: Some(peer_id),
5534                                project_id,
5535                                variant: Some(
5536                                    proto::find_search_candidates_chunk::Variant::Matches(
5537                                        proto::FindSearchCandidatesMatches { buffer_ids },
5538                                    ),
5539                                ),
5540                            })
5541                            .await?;
5542                    }
5543                    anyhow::Ok(())
5544                }
5545            });
5546
5547            while let Some(buffer) = new_matches.next().await {
5548                let buffer_id = this.update(cx, |this, cx| {
5549                    this.create_buffer_for_peer(&buffer, peer_id, cx).to_proto()
5550                });
5551                batcher.push(buffer_id).await;
5552            }
5553            batcher.flush().await;
5554
5555            sender_task.await?;
5556
5557            let _ = client
5558                .request(proto::FindSearchCandidatesChunk {
5559                    handle,
5560                    peer_id: Some(peer_id),
5561                    project_id,
5562                    variant: Some(proto::find_search_candidates_chunk::Variant::Done(
5563                        proto::FindSearchCandidatesDone {},
5564                    )),
5565                })
5566                .await?;
5567            anyhow::Ok(())
5568        });
5569        buffer_store.update(&mut cx, |this, _| {
5570            this.register_ongoing_project_search((peer_id, handle), task);
5571        });
5572
5573        Ok(proto::Ack {})
5574    }
5575
5576    async fn handle_open_buffer_by_id(
5577        this: Entity<Self>,
5578        envelope: TypedEnvelope<proto::OpenBufferById>,
5579        mut cx: AsyncApp,
5580    ) -> Result<proto::OpenBufferResponse> {
5581        let peer_id = envelope.original_sender_id()?;
5582        let buffer_id = BufferId::new(envelope.payload.id)?;
5583        let buffer = this
5584            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))
5585            .await?;
5586        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5587    }
5588
5589    async fn handle_open_buffer_by_path(
5590        this: Entity<Self>,
5591        envelope: TypedEnvelope<proto::OpenBufferByPath>,
5592        mut cx: AsyncApp,
5593    ) -> Result<proto::OpenBufferResponse> {
5594        let peer_id = envelope.original_sender_id()?;
5595        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5596        let path = RelPath::from_proto(&envelope.payload.path)?;
5597        let open_buffer = this
5598            .update(&mut cx, |this, cx| {
5599                this.open_buffer(ProjectPath { worktree_id, path }, cx)
5600            })
5601            .await?;
5602        Project::respond_to_open_buffer_request(this, open_buffer, peer_id, &mut cx)
5603    }
5604
5605    async fn handle_open_new_buffer(
5606        this: Entity<Self>,
5607        envelope: TypedEnvelope<proto::OpenNewBuffer>,
5608        mut cx: AsyncApp,
5609    ) -> Result<proto::OpenBufferResponse> {
5610        let buffer = this
5611            .update(&mut cx, |this, cx| this.create_buffer(None, true, cx))
5612            .await?;
5613        let peer_id = envelope.original_sender_id()?;
5614
5615        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5616    }
5617
5618    fn respond_to_open_buffer_request(
5619        this: Entity<Self>,
5620        buffer: Entity<Buffer>,
5621        peer_id: proto::PeerId,
5622        cx: &mut AsyncApp,
5623    ) -> Result<proto::OpenBufferResponse> {
5624        this.update(cx, |this, cx| {
5625            let is_private = buffer
5626                .read(cx)
5627                .file()
5628                .map(|f| f.is_private())
5629                .unwrap_or_default();
5630            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
5631            Ok(proto::OpenBufferResponse {
5632                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
5633            })
5634        })
5635    }
5636
5637    fn create_buffer_for_peer(
5638        &mut self,
5639        buffer: &Entity<Buffer>,
5640        peer_id: proto::PeerId,
5641        cx: &mut App,
5642    ) -> BufferId {
5643        self.buffer_store
5644            .update(cx, |buffer_store, cx| {
5645                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
5646            })
5647            .detach_and_log_err(cx);
5648        buffer.read(cx).remote_id()
5649    }
5650
5651    async fn handle_create_image_for_peer(
5652        this: Entity<Self>,
5653        envelope: TypedEnvelope<proto::CreateImageForPeer>,
5654        mut cx: AsyncApp,
5655    ) -> Result<()> {
5656        this.update(&mut cx, |this, cx| {
5657            this.image_store.update(cx, |image_store, cx| {
5658                image_store.handle_create_image_for_peer(envelope, cx)
5659            })
5660        })
5661    }
5662
5663    async fn handle_create_file_for_peer(
5664        this: Entity<Self>,
5665        envelope: TypedEnvelope<proto::CreateFileForPeer>,
5666        mut cx: AsyncApp,
5667    ) -> Result<()> {
5668        use proto::create_file_for_peer::Variant;
5669        log::debug!("handle_create_file_for_peer: received message");
5670
5671        let downloading_files: Arc<Mutex<HashMap<(WorktreeId, String), DownloadingFile>>> =
5672            this.update(&mut cx, |this, _| this.downloading_files.clone());
5673
5674        match &envelope.payload.variant {
5675            Some(Variant::State(state)) => {
5676                log::debug!(
5677                    "handle_create_file_for_peer: got State: id={}, content_size={}",
5678                    state.id,
5679                    state.content_size
5680                );
5681
5682                // Extract worktree_id and path from the File field
5683                if let Some(ref file) = state.file {
5684                    let worktree_id = WorktreeId::from_proto(file.worktree_id);
5685                    let path = file.path.clone();
5686                    let key = (worktree_id, path);
5687                    log::debug!("handle_create_file_for_peer: looking up key={:?}", key);
5688
5689                    let empty_file_destination: Option<PathBuf> = {
5690                        let mut files = downloading_files.lock();
5691                        log::trace!(
5692                            "handle_create_file_for_peer: current downloading_files keys: {:?}",
5693                            files.keys().collect::<Vec<_>>()
5694                        );
5695
5696                        if let Some(file_entry) = files.get_mut(&key) {
5697                            file_entry.total_size = state.content_size;
5698                            file_entry.file_id = Some(state.id);
5699                            log::debug!(
5700                                "handle_create_file_for_peer: updated file entry: total_size={}, file_id={}",
5701                                state.content_size,
5702                                state.id
5703                            );
5704                        } else {
5705                            log::warn!(
5706                                "handle_create_file_for_peer: key={:?} not found in downloading_files",
5707                                key
5708                            );
5709                        }
5710
5711                        if state.content_size == 0 {
5712                            // No chunks will arrive for an empty file; write it now.
5713                            files.remove(&key).map(|entry| entry.destination_path)
5714                        } else {
5715                            None
5716                        }
5717                    };
5718
5719                    if let Some(destination) = empty_file_destination {
5720                        log::debug!(
5721                            "handle_create_file_for_peer: writing empty file to {:?}",
5722                            destination
5723                        );
5724                        match smol::fs::write(&destination, &[] as &[u8]).await {
5725                            Ok(_) => log::info!(
5726                                "handle_create_file_for_peer: successfully wrote file to {:?}",
5727                                destination
5728                            ),
5729                            Err(e) => log::error!(
5730                                "handle_create_file_for_peer: failed to write empty file: {:?}",
5731                                e
5732                            ),
5733                        }
5734                    }
5735                } else {
5736                    log::warn!("handle_create_file_for_peer: State has no file field");
5737                }
5738            }
5739            Some(Variant::Chunk(chunk)) => {
5740                log::debug!(
5741                    "handle_create_file_for_peer: got Chunk: file_id={}, data_len={}",
5742                    chunk.file_id,
5743                    chunk.data.len()
5744                );
5745
5746                // Extract data while holding the lock, then release it before await
5747                let (key_to_remove, write_info): (
5748                    Option<(WorktreeId, String)>,
5749                    Option<(PathBuf, Vec<u8>)>,
5750                ) = {
5751                    let mut files = downloading_files.lock();
5752                    let mut found_key: Option<(WorktreeId, String)> = None;
5753                    let mut write_data: Option<(PathBuf, Vec<u8>)> = None;
5754
5755                    for (key, file_entry) in files.iter_mut() {
5756                        if file_entry.file_id == Some(chunk.file_id) {
5757                            file_entry.chunks.extend_from_slice(&chunk.data);
5758                            log::debug!(
5759                                "handle_create_file_for_peer: accumulated {} bytes, total_size={}",
5760                                file_entry.chunks.len(),
5761                                file_entry.total_size
5762                            );
5763
5764                            if file_entry.chunks.len() as u64 >= file_entry.total_size
5765                                && file_entry.total_size > 0
5766                            {
5767                                let destination = file_entry.destination_path.clone();
5768                                let content = std::mem::take(&mut file_entry.chunks);
5769                                found_key = Some(key.clone());
5770                                write_data = Some((destination, content));
5771                            }
5772                            break;
5773                        }
5774                    }
5775                    (found_key, write_data)
5776                }; // MutexGuard is dropped here
5777
5778                // Perform the async write outside the lock
5779                if let Some((destination, content)) = write_info {
5780                    log::debug!(
5781                        "handle_create_file_for_peer: writing {} bytes to {:?}",
5782                        content.len(),
5783                        destination
5784                    );
5785                    match smol::fs::write(&destination, &content).await {
5786                        Ok(_) => log::info!(
5787                            "handle_create_file_for_peer: successfully wrote file to {:?}",
5788                            destination
5789                        ),
5790                        Err(e) => log::error!(
5791                            "handle_create_file_for_peer: failed to write file: {:?}",
5792                            e
5793                        ),
5794                    }
5795                }
5796
5797                // Remove the completed entry
5798                if let Some(key) = key_to_remove {
5799                    downloading_files.lock().remove(&key);
5800                    log::debug!("handle_create_file_for_peer: removed completed download entry");
5801                }
5802            }
5803            None => {
5804                log::warn!("handle_create_file_for_peer: got None variant");
5805            }
5806        }
5807
5808        Ok(())
5809    }
5810
5811    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
5812        let project_id = match self.client_state {
5813            ProjectClientState::Collab {
5814                sharing_has_stopped,
5815                remote_id,
5816                ..
5817            } => {
5818                if sharing_has_stopped {
5819                    return Task::ready(Err(anyhow!(
5820                        "can't synchronize remote buffers on a readonly project"
5821                    )));
5822                } else {
5823                    remote_id
5824                }
5825            }
5826            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
5827                return Task::ready(Err(anyhow!(
5828                    "can't synchronize remote buffers on a local project"
5829                )));
5830            }
5831        };
5832
5833        let client = self.collab_client.clone();
5834        cx.spawn(async move |this, cx| {
5835            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
5836                this.buffer_store.read(cx).buffer_version_info(cx)
5837            })?;
5838            let response = client
5839                .request(proto::SynchronizeBuffers {
5840                    project_id,
5841                    buffers,
5842                })
5843                .await?;
5844
5845            let send_updates_for_buffers = this.update(cx, |this, cx| {
5846                response
5847                    .buffers
5848                    .into_iter()
5849                    .map(|buffer| {
5850                        let client = client.clone();
5851                        let buffer_id = match BufferId::new(buffer.id) {
5852                            Ok(id) => id,
5853                            Err(e) => {
5854                                return Task::ready(Err(e));
5855                            }
5856                        };
5857                        let remote_version = language::proto::deserialize_version(&buffer.version);
5858                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
5859                            let operations =
5860                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
5861                            cx.background_spawn(async move {
5862                                let operations = operations.await;
5863                                for chunk in split_operations(operations) {
5864                                    client
5865                                        .request(proto::UpdateBuffer {
5866                                            project_id,
5867                                            buffer_id: buffer_id.into(),
5868                                            operations: chunk,
5869                                        })
5870                                        .await?;
5871                                }
5872                                anyhow::Ok(())
5873                            })
5874                        } else {
5875                            Task::ready(Ok(()))
5876                        }
5877                    })
5878                    .collect::<Vec<_>>()
5879            })?;
5880
5881            // Any incomplete buffers have open requests waiting. Request that the host sends
5882            // creates these buffers for us again to unblock any waiting futures.
5883            for id in incomplete_buffer_ids {
5884                cx.background_spawn(client.request(proto::OpenBufferById {
5885                    project_id,
5886                    id: id.into(),
5887                }))
5888                .detach();
5889            }
5890
5891            futures::future::join_all(send_updates_for_buffers)
5892                .await
5893                .into_iter()
5894                .collect()
5895        })
5896    }
5897
5898    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
5899        self.worktree_store.read(cx).worktree_metadata_protos(cx)
5900    }
5901
5902    /// Iterator of all open buffers that have unsaved changes
5903    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
5904        self.buffer_store.read(cx).buffers().filter_map(|buf| {
5905            let buf = buf.read(cx);
5906            if buf.is_dirty() {
5907                buf.project_path(cx)
5908            } else {
5909                None
5910            }
5911        })
5912    }
5913
5914    fn set_worktrees_from_proto(
5915        &mut self,
5916        worktrees: Vec<proto::WorktreeMetadata>,
5917        cx: &mut Context<Project>,
5918    ) -> Result<()> {
5919        self.worktree_store.update(cx, |worktree_store, cx| {
5920            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
5921        })
5922    }
5923
5924    fn set_collaborators_from_proto(
5925        &mut self,
5926        messages: Vec<proto::Collaborator>,
5927        cx: &mut Context<Self>,
5928    ) -> Result<()> {
5929        let mut collaborators = HashMap::default();
5930        for message in messages {
5931            let collaborator = Collaborator::from_proto(message)?;
5932            collaborators.insert(collaborator.peer_id, collaborator);
5933        }
5934        for old_peer_id in self.collaborators.keys() {
5935            if !collaborators.contains_key(old_peer_id) {
5936                cx.emit(Event::CollaboratorLeft(*old_peer_id));
5937            }
5938        }
5939        self.collaborators = collaborators;
5940        Ok(())
5941    }
5942
5943    pub fn supplementary_language_servers<'a>(
5944        &'a self,
5945        cx: &'a App,
5946    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5947        self.lsp_store.read(cx).supplementary_language_servers()
5948    }
5949
5950    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5951        let Some(language) = buffer.language().cloned() else {
5952            return false;
5953        };
5954        self.lsp_store.update(cx, |lsp_store, _| {
5955            let relevant_language_servers = lsp_store
5956                .languages
5957                .lsp_adapters(&language.name())
5958                .into_iter()
5959                .map(|lsp_adapter| lsp_adapter.name())
5960                .collect::<HashSet<_>>();
5961            lsp_store
5962                .language_server_statuses()
5963                .filter_map(|(server_id, server_status)| {
5964                    relevant_language_servers
5965                        .contains(&server_status.name)
5966                        .then_some(server_id)
5967                })
5968                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5969                .any(InlayHints::check_capabilities)
5970        })
5971    }
5972
5973    pub fn any_language_server_supports_semantic_tokens(
5974        &self,
5975        buffer: &Buffer,
5976        cx: &mut App,
5977    ) -> bool {
5978        let Some(language) = buffer.language().cloned() else {
5979            return false;
5980        };
5981        let lsp_store = self.lsp_store.read(cx);
5982        let relevant_language_servers = lsp_store
5983            .languages
5984            .lsp_adapters(&language.name())
5985            .into_iter()
5986            .map(|lsp_adapter| lsp_adapter.name())
5987            .collect::<HashSet<_>>();
5988        lsp_store
5989            .language_server_statuses()
5990            .filter_map(|(server_id, server_status)| {
5991                relevant_language_servers
5992                    .contains(&server_status.name)
5993                    .then_some(server_id)
5994            })
5995            .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5996            .any(|capabilities| capabilities.semantic_tokens_provider.is_some())
5997    }
5998
5999    pub fn language_server_id_for_name(
6000        &self,
6001        buffer: &Buffer,
6002        name: &LanguageServerName,
6003        cx: &App,
6004    ) -> Option<LanguageServerId> {
6005        let language = buffer.language()?;
6006        let relevant_language_servers = self
6007            .languages
6008            .lsp_adapters(&language.name())
6009            .into_iter()
6010            .map(|lsp_adapter| lsp_adapter.name())
6011            .collect::<HashSet<_>>();
6012        if !relevant_language_servers.contains(name) {
6013            return None;
6014        }
6015        self.language_server_statuses(cx)
6016            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
6017            .find_map(|(server_id, server_status)| {
6018                if &server_status.name == name {
6019                    Some(server_id)
6020                } else {
6021                    None
6022                }
6023            })
6024    }
6025
6026    #[cfg(feature = "test-support")]
6027    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
6028        self.lsp_store.update(cx, |this, cx| {
6029            this.running_language_servers_for_local_buffer(buffer, cx)
6030                .next()
6031                .is_some()
6032        })
6033    }
6034
6035    pub fn git_init(
6036        &self,
6037        path: Arc<Path>,
6038        fallback_branch_name: String,
6039        cx: &App,
6040    ) -> Task<Result<()>> {
6041        self.git_store
6042            .read(cx)
6043            .git_init(path, fallback_branch_name, cx)
6044    }
6045
6046    pub fn buffer_store(&self) -> &Entity<BufferStore> {
6047        &self.buffer_store
6048    }
6049
6050    pub fn git_store(&self) -> &Entity<GitStore> {
6051        &self.git_store
6052    }
6053
6054    pub fn agent_server_store(&self) -> &Entity<AgentServerStore> {
6055        &self.agent_server_store
6056    }
6057
6058    #[cfg(feature = "test-support")]
6059    pub fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
6060        use futures::future::join_all;
6061        cx.spawn(async move |this, cx| {
6062            let scans_complete = this
6063                .read_with(cx, |this, cx| {
6064                    this.worktrees(cx)
6065                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
6066                        .collect::<Vec<_>>()
6067                })
6068                .unwrap();
6069            join_all(scans_complete).await;
6070            let barriers = this
6071                .update(cx, |this, cx| {
6072                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
6073                    repos
6074                        .into_iter()
6075                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
6076                        .collect::<Vec<_>>()
6077                })
6078                .unwrap();
6079            join_all(barriers).await;
6080        })
6081    }
6082
6083    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
6084        self.git_store.read(cx).active_repository()
6085    }
6086
6087    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
6088        self.git_store.read(cx).repositories()
6089    }
6090
6091    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
6092        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
6093    }
6094
6095    pub fn set_agent_location(
6096        &mut self,
6097        new_location: Option<AgentLocation>,
6098        cx: &mut Context<Self>,
6099    ) {
6100        if let Some(old_location) = self.agent_location.as_ref() {
6101            old_location
6102                .buffer
6103                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
6104                .ok();
6105        }
6106
6107        if let Some(location) = new_location.as_ref() {
6108            location
6109                .buffer
6110                .update(cx, |buffer, cx| {
6111                    buffer.set_agent_selections(
6112                        Arc::from([language::Selection {
6113                            id: 0,
6114                            start: location.position,
6115                            end: location.position,
6116                            reversed: false,
6117                            goal: language::SelectionGoal::None,
6118                        }]),
6119                        false,
6120                        CursorShape::Hollow,
6121                        cx,
6122                    )
6123                })
6124                .ok();
6125        }
6126
6127        self.agent_location = new_location;
6128        cx.emit(Event::AgentLocationChanged);
6129    }
6130
6131    pub fn agent_location(&self) -> Option<AgentLocation> {
6132        self.agent_location.clone()
6133    }
6134
6135    pub fn path_style(&self, cx: &App) -> PathStyle {
6136        self.worktree_store.read(cx).path_style()
6137    }
6138
6139    pub fn contains_local_settings_file(
6140        &self,
6141        worktree_id: WorktreeId,
6142        rel_path: &RelPath,
6143        cx: &App,
6144    ) -> bool {
6145        self.worktree_for_id(worktree_id, cx)
6146            .map_or(false, |worktree| {
6147                worktree.read(cx).entry_for_path(rel_path).is_some()
6148            })
6149    }
6150
6151    pub fn worktree_paths(&self, cx: &App) -> WorktreePaths {
6152        self.worktree_store.read(cx).paths(cx)
6153    }
6154
6155    pub fn project_group_key(&self, cx: &App) -> ProjectGroupKey {
6156        ProjectGroupKey::from_project(self, cx)
6157    }
6158}
6159
6160/// Identifies a project group by a set of paths the workspaces in this group
6161/// have.
6162///
6163/// Paths are mapped to their main worktree path first so we can group
6164/// workspaces by main repos.
6165#[derive(PartialEq, Eq, Hash, Clone, Debug, Default)]
6166pub struct ProjectGroupKey {
6167    /// The paths of the main worktrees for this project group.
6168    paths: PathList,
6169    host: Option<RemoteConnectionOptions>,
6170}
6171
6172impl ProjectGroupKey {
6173    /// Creates a new `ProjectGroupKey` with the given path list.
6174    ///
6175    /// The path list should point to the git main worktree paths for a project.
6176    pub fn new(host: Option<RemoteConnectionOptions>, paths: PathList) -> Self {
6177        Self { paths, host }
6178    }
6179
6180    pub fn from_project(project: &Project, cx: &App) -> Self {
6181        let paths = project.worktree_paths(cx);
6182        let host = project.remote_connection_options(cx);
6183        Self {
6184            paths: paths.main_worktree_path_list().clone(),
6185            host,
6186        }
6187    }
6188
6189    pub fn from_worktree_paths(
6190        paths: &WorktreePaths,
6191        host: Option<RemoteConnectionOptions>,
6192    ) -> Self {
6193        Self {
6194            paths: paths.main_worktree_path_list().clone(),
6195            host,
6196        }
6197    }
6198
6199    pub fn path_list(&self) -> &PathList {
6200        &self.paths
6201    }
6202
6203    pub fn display_name(
6204        &self,
6205        path_detail_map: &std::collections::HashMap<PathBuf, usize>,
6206    ) -> SharedString {
6207        let mut names = Vec::with_capacity(self.paths.paths().len());
6208        for abs_path in self.paths.ordered_paths() {
6209            let detail = path_detail_map.get(abs_path).copied().unwrap_or(0);
6210            let suffix = path_suffix(abs_path, detail);
6211            if !suffix.is_empty() {
6212                names.push(suffix);
6213            }
6214        }
6215        if names.is_empty() {
6216            "Empty Workspace".into()
6217        } else {
6218            names.join(", ").into()
6219        }
6220    }
6221
6222    pub fn host(&self) -> Option<RemoteConnectionOptions> {
6223        self.host.clone()
6224    }
6225}
6226
6227pub fn path_suffix(path: &Path, detail: usize) -> String {
6228    let mut components: Vec<_> = path
6229        .components()
6230        .rev()
6231        .filter_map(|component| match component {
6232            std::path::Component::Normal(s) => Some(s.to_string_lossy()),
6233            _ => None,
6234        })
6235        .take(detail + 1)
6236        .collect();
6237    components.reverse();
6238    components.join("/")
6239}
6240
6241pub struct PathMatchCandidateSet {
6242    pub snapshot: Snapshot,
6243    pub include_ignored: bool,
6244    pub include_root_name: bool,
6245    pub candidates: Candidates,
6246}
6247
6248pub enum Candidates {
6249    /// Only consider directories.
6250    Directories,
6251    /// Only consider files.
6252    Files,
6253    /// Consider directories and files.
6254    Entries,
6255}
6256
6257impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
6258    type Candidates = PathMatchCandidateSetIter<'a>;
6259
6260    fn id(&self) -> usize {
6261        self.snapshot.id().to_usize()
6262    }
6263
6264    fn len(&self) -> usize {
6265        match self.candidates {
6266            Candidates::Files => {
6267                if self.include_ignored {
6268                    self.snapshot.file_count()
6269                } else {
6270                    self.snapshot.visible_file_count()
6271                }
6272            }
6273
6274            Candidates::Directories => {
6275                if self.include_ignored {
6276                    self.snapshot.dir_count()
6277                } else {
6278                    self.snapshot.visible_dir_count()
6279                }
6280            }
6281
6282            Candidates::Entries => {
6283                if self.include_ignored {
6284                    self.snapshot.entry_count()
6285                } else {
6286                    self.snapshot.visible_entry_count()
6287                }
6288            }
6289        }
6290    }
6291
6292    fn prefix(&self) -> Arc<RelPath> {
6293        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
6294            self.snapshot.root_name().into()
6295        } else {
6296            RelPath::empty().into()
6297        }
6298    }
6299
6300    fn root_is_file(&self) -> bool {
6301        self.snapshot.root_entry().is_some_and(|f| f.is_file())
6302    }
6303
6304    fn path_style(&self) -> PathStyle {
6305        self.snapshot.path_style()
6306    }
6307
6308    fn candidates(&'a self, start: usize) -> Self::Candidates {
6309        PathMatchCandidateSetIter {
6310            traversal: match self.candidates {
6311                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
6312                Candidates::Files => self.snapshot.files(self.include_ignored, start),
6313                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
6314            },
6315        }
6316    }
6317}
6318
6319pub struct PathMatchCandidateSetIter<'a> {
6320    traversal: Traversal<'a>,
6321}
6322
6323impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
6324    type Item = fuzzy::PathMatchCandidate<'a>;
6325
6326    fn next(&mut self) -> Option<Self::Item> {
6327        self.traversal
6328            .next()
6329            .map(|entry| fuzzy::PathMatchCandidate {
6330                is_dir: entry.kind.is_dir(),
6331                path: &entry.path,
6332                char_bag: entry.char_bag,
6333            })
6334    }
6335}
6336
6337impl<'a> fuzzy_nucleo::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
6338    type Candidates = PathMatchCandidateSetNucleoIter<'a>;
6339    fn id(&self) -> usize {
6340        self.snapshot.id().to_usize()
6341    }
6342    fn len(&self) -> usize {
6343        match self.candidates {
6344            Candidates::Files => {
6345                if self.include_ignored {
6346                    self.snapshot.file_count()
6347                } else {
6348                    self.snapshot.visible_file_count()
6349                }
6350            }
6351            Candidates::Directories => {
6352                if self.include_ignored {
6353                    self.snapshot.dir_count()
6354                } else {
6355                    self.snapshot.visible_dir_count()
6356                }
6357            }
6358            Candidates::Entries => {
6359                if self.include_ignored {
6360                    self.snapshot.entry_count()
6361                } else {
6362                    self.snapshot.visible_entry_count()
6363                }
6364            }
6365        }
6366    }
6367    fn prefix(&self) -> Arc<RelPath> {
6368        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
6369            self.snapshot.root_name().into()
6370        } else {
6371            RelPath::empty().into()
6372        }
6373    }
6374    fn root_is_file(&self) -> bool {
6375        self.snapshot.root_entry().is_some_and(|f| f.is_file())
6376    }
6377    fn path_style(&self) -> PathStyle {
6378        self.snapshot.path_style()
6379    }
6380    fn candidates(&'a self, start: usize) -> Self::Candidates {
6381        PathMatchCandidateSetNucleoIter {
6382            traversal: match self.candidates {
6383                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
6384                Candidates::Files => self.snapshot.files(self.include_ignored, start),
6385                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
6386            },
6387        }
6388    }
6389}
6390
6391pub struct PathMatchCandidateSetNucleoIter<'a> {
6392    traversal: Traversal<'a>,
6393}
6394
6395impl<'a> Iterator for PathMatchCandidateSetNucleoIter<'a> {
6396    type Item = fuzzy_nucleo::PathMatchCandidate<'a>;
6397    fn next(&mut self) -> Option<Self::Item> {
6398        self.traversal
6399            .next()
6400            .map(|entry| fuzzy_nucleo::PathMatchCandidate {
6401                is_dir: entry.kind.is_dir(),
6402                path: &entry.path,
6403            })
6404    }
6405}
6406
6407impl EventEmitter<Event> for Project {}
6408
6409impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
6410    fn from(val: &'a ProjectPath) -> Self {
6411        SettingsLocation {
6412            worktree_id: val.worktree_id,
6413            path: val.path.as_ref(),
6414        }
6415    }
6416}
6417
6418impl<P: Into<Arc<RelPath>>> From<(WorktreeId, P)> for ProjectPath {
6419    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
6420        Self {
6421            worktree_id,
6422            path: path.into(),
6423        }
6424    }
6425}
6426
6427/// ResolvedPath is a path that has been resolved to either a ProjectPath
6428/// or an AbsPath and that *exists*.
6429#[derive(Debug, Clone)]
6430pub enum ResolvedPath {
6431    ProjectPath {
6432        project_path: ProjectPath,
6433        is_dir: bool,
6434    },
6435    AbsPath {
6436        path: String,
6437        is_dir: bool,
6438    },
6439}
6440
6441impl ResolvedPath {
6442    pub fn abs_path(&self) -> Option<&str> {
6443        match self {
6444            Self::AbsPath { path, .. } => Some(path),
6445            _ => None,
6446        }
6447    }
6448
6449    pub fn into_abs_path(self) -> Option<String> {
6450        match self {
6451            Self::AbsPath { path, .. } => Some(path),
6452            _ => None,
6453        }
6454    }
6455
6456    pub fn project_path(&self) -> Option<&ProjectPath> {
6457        match self {
6458            Self::ProjectPath { project_path, .. } => Some(project_path),
6459            _ => None,
6460        }
6461    }
6462
6463    pub fn is_file(&self) -> bool {
6464        !self.is_dir()
6465    }
6466
6467    pub fn is_dir(&self) -> bool {
6468        match self {
6469            Self::ProjectPath { is_dir, .. } => *is_dir,
6470            Self::AbsPath { is_dir, .. } => *is_dir,
6471        }
6472    }
6473}
6474
6475impl ProjectItem for Buffer {
6476    fn try_open(
6477        project: &Entity<Project>,
6478        path: &ProjectPath,
6479        cx: &mut App,
6480    ) -> Option<Task<Result<Entity<Self>>>> {
6481        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
6482    }
6483
6484    fn entry_id(&self, _cx: &App) -> Option<ProjectEntryId> {
6485        File::from_dyn(self.file()).and_then(|file| file.project_entry_id())
6486    }
6487
6488    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
6489        let file = self.file()?;
6490
6491        (!matches!(file.disk_state(), DiskState::Historic { .. })).then(|| ProjectPath {
6492            worktree_id: file.worktree_id(cx),
6493            path: file.path().clone(),
6494        })
6495    }
6496
6497    fn is_dirty(&self) -> bool {
6498        self.is_dirty()
6499    }
6500}
6501
6502impl Completion {
6503    pub fn kind(&self) -> Option<CompletionItemKind> {
6504        self.source
6505            // `lsp::CompletionListItemDefaults` has no `kind` field
6506            .lsp_completion(false)
6507            .and_then(|lsp_completion| lsp_completion.kind)
6508    }
6509
6510    pub fn label(&self) -> Option<String> {
6511        self.source
6512            .lsp_completion(false)
6513            .map(|lsp_completion| lsp_completion.label.clone())
6514    }
6515
6516    /// A key that can be used to sort completions when displaying
6517    /// them to the user.
6518    pub fn sort_key(&self) -> (usize, &str) {
6519        const DEFAULT_KIND_KEY: usize = 4;
6520        let kind_key = self
6521            .kind()
6522            .and_then(|lsp_completion_kind| match lsp_completion_kind {
6523                lsp::CompletionItemKind::KEYWORD => Some(0),
6524                lsp::CompletionItemKind::VARIABLE => Some(1),
6525                lsp::CompletionItemKind::CONSTANT => Some(2),
6526                lsp::CompletionItemKind::PROPERTY => Some(3),
6527                _ => None,
6528            })
6529            .unwrap_or(DEFAULT_KIND_KEY);
6530        (kind_key, self.label.filter_text())
6531    }
6532
6533    /// Whether this completion is a snippet.
6534    pub fn is_snippet_kind(&self) -> bool {
6535        matches!(
6536            &self.source,
6537            CompletionSource::Lsp { lsp_completion, .. }
6538            if lsp_completion.kind == Some(CompletionItemKind::SNIPPET)
6539        )
6540    }
6541
6542    /// Whether this completion is a snippet or snippet-style LSP completion.
6543    pub fn is_snippet(&self) -> bool {
6544        self.source
6545            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
6546            .lsp_completion(true)
6547            .is_some_and(|lsp_completion| {
6548                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
6549            })
6550    }
6551
6552    /// Returns the corresponding color for this completion.
6553    ///
6554    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
6555    pub fn color(&self) -> Option<Hsla> {
6556        // `lsp::CompletionListItemDefaults` has no `kind` field
6557        let lsp_completion = self.source.lsp_completion(false)?;
6558        if lsp_completion.kind? == CompletionItemKind::COLOR {
6559            return color_extractor::extract_color(&lsp_completion);
6560        }
6561        None
6562    }
6563}
6564
6565fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
6566    match level {
6567        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
6568        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
6569        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
6570    }
6571}
6572
6573fn provide_inline_values(
6574    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
6575    snapshot: &language::BufferSnapshot,
6576    max_row: usize,
6577) -> Vec<InlineValueLocation> {
6578    let mut variables = Vec::new();
6579    let mut variable_position = HashSet::default();
6580    let mut scopes = Vec::new();
6581
6582    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
6583
6584    for (capture_range, capture_kind) in captures {
6585        match capture_kind {
6586            language::DebuggerTextObject::Variable => {
6587                let variable_name = snapshot
6588                    .text_for_range(capture_range.clone())
6589                    .collect::<String>();
6590                let point = snapshot.offset_to_point(capture_range.end);
6591
6592                while scopes
6593                    .last()
6594                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
6595                {
6596                    scopes.pop();
6597                }
6598
6599                if point.row as usize > max_row {
6600                    break;
6601                }
6602
6603                let scope = if scopes
6604                    .last()
6605                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
6606                {
6607                    VariableScope::Global
6608                } else {
6609                    VariableScope::Local
6610                };
6611
6612                if variable_position.insert(capture_range.end) {
6613                    variables.push(InlineValueLocation {
6614                        variable_name,
6615                        scope,
6616                        lookup: VariableLookupKind::Variable,
6617                        row: point.row as usize,
6618                        column: point.column as usize,
6619                    });
6620                }
6621            }
6622            language::DebuggerTextObject::Scope => {
6623                while scopes.last().map_or_else(
6624                    || false,
6625                    |scope: &Range<usize>| {
6626                        !(scope.contains(&capture_range.start)
6627                            && scope.contains(&capture_range.end))
6628                    },
6629                ) {
6630                    scopes.pop();
6631                }
6632                scopes.push(capture_range);
6633            }
6634        }
6635    }
6636
6637    variables
6638}