project.rs

   1pub mod agent_registry_store;
   2pub mod agent_server_store;
   3pub mod buffer_store;
   4pub mod color_extractor;
   5pub mod connection_manager;
   6pub mod context_server_store;
   7pub mod debounced_delay;
   8pub mod debugger;
   9pub mod git_store;
  10pub mod image_store;
  11pub mod lsp_command;
  12pub mod lsp_store;
  13pub mod manifest_tree;
  14pub mod prettier_store;
  15pub mod project_search;
  16pub mod project_settings;
  17pub mod search;
  18pub mod task_inventory;
  19pub mod task_store;
  20pub mod telemetry_snapshot;
  21pub mod terminals;
  22pub mod toolchain_store;
  23pub mod trusted_worktrees;
  24pub mod worktree_store;
  25
  26mod environment;
  27use buffer_diff::BufferDiff;
  28use context_server_store::ContextServerStore;
  29pub use environment::ProjectEnvironmentEvent;
  30use git::repository::get_git_committer;
  31use git_store::{Repository, RepositoryId};
  32pub mod search_history;
  33pub mod yarn;
  34
  35use dap::inline_value::{InlineValueLocation, VariableLookupKind, VariableScope};
  36use itertools::{Either, Itertools};
  37
  38use crate::{
  39    git_store::GitStore,
  40    lsp_store::{SymbolLocation, log_store::LogKind},
  41    project_search::SearchResultsHandle,
  42    trusted_worktrees::{PathTrust, RemoteHostLocation, TrustedWorktrees},
  43    worktree_store::WorktreeIdCounter,
  44};
  45pub use agent_registry_store::{AgentRegistryStore, RegistryAgent};
  46pub use agent_server_store::{AgentId, AgentServerStore, AgentServersUpdated, ExternalAgentSource};
  47pub use git_store::{
  48    ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate,
  49    git_traversal::{ChildEntriesGitIter, GitEntry, GitEntryRef, GitTraversal},
  50    linked_worktree_short_name, worktrees_directory_for_repo,
  51};
  52pub use manifest_tree::ManifestTree;
  53pub use project_search::{Search, SearchResults};
  54
  55use anyhow::{Context as _, Result, anyhow};
  56use buffer_store::{BufferStore, BufferStoreEvent};
  57use client::{
  58    Client, Collaborator, PendingEntitySubscription, ProjectId, TypedEnvelope, UserStore, proto,
  59};
  60use clock::ReplicaId;
  61
  62use dap::client::DebugAdapterClient;
  63
  64use collections::{BTreeSet, HashMap, HashSet, IndexSet};
  65use debounced_delay::DebouncedDelay;
  66pub use debugger::breakpoint_store::BreakpointWithPosition;
  67use debugger::{
  68    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  69    dap_store::{DapStore, DapStoreEvent},
  70    session::Session,
  71};
  72
  73pub use environment::ProjectEnvironment;
  74
  75use futures::{
  76    StreamExt,
  77    channel::mpsc::{self, UnboundedReceiver},
  78    future::try_join_all,
  79};
  80pub use image_store::{ImageItem, ImageStore};
  81use image_store::{ImageItemEvent, ImageStoreEvent};
  82
  83use ::git::{blame::Blame, status::FileStatus};
  84use gpui::{
  85    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  86    Task, WeakEntity, Window,
  87};
  88use language::{
  89    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, DiskState, Language, LanguageName,
  90    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainMetadata,
  91    ToolchainScope, Transaction, Unclipped, language_settings::InlayHintKind,
  92    proto::split_operations,
  93};
  94use lsp::{
  95    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  96    LanguageServerBinary, LanguageServerId, LanguageServerName, LanguageServerSelector,
  97    MessageActionItem,
  98};
  99use lsp_command::*;
 100use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
 101pub use manifest_tree::ManifestProvidersStore;
 102use node_runtime::NodeRuntime;
 103use parking_lot::Mutex;
 104pub use prettier_store::PrettierStore;
 105use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
 106#[cfg(target_os = "windows")]
 107use remote::wsl_path_to_windows_path;
 108use remote::{RemoteClient, RemoteConnectionOptions};
 109use rpc::{
 110    AnyProtoClient, ErrorCode,
 111    proto::{LanguageServerPromptResponse, REMOTE_SERVER_PROJECT_ID},
 112};
 113use search::{SearchInputKind, SearchQuery, SearchResult};
 114use search_history::SearchHistory;
 115use settings::{InvalidSettingsError, RegisterSetting, Settings, SettingsLocation, SettingsStore};
 116use snippet::Snippet;
 117pub use snippet_provider;
 118use snippet_provider::SnippetProvider;
 119use std::{
 120    borrow::Cow,
 121    collections::BTreeMap,
 122    ffi::OsString,
 123    future::Future,
 124    ops::{Not as _, Range},
 125    path::{Path, PathBuf},
 126    pin::pin,
 127    str::{self, FromStr},
 128    sync::Arc,
 129    time::Duration,
 130};
 131
 132use task_store::TaskStore;
 133use terminals::Terminals;
 134use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 135use toolchain_store::EmptyToolchainStore;
 136use util::{
 137    ResultExt as _, maybe,
 138    path_list::PathList,
 139    paths::{PathStyle, SanitizedPath, is_absolute},
 140    rel_path::RelPath,
 141};
 142use worktree::{CreatedEntry, Snapshot, Traversal};
 143pub use worktree::{
 144    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 145    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 146    discover_root_repo_common_dir,
 147};
 148use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 149
 150pub use fs::*;
 151pub use language::Location;
 152#[cfg(any(test, feature = "test-support"))]
 153pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 154#[cfg(any(test, feature = "test-support"))]
 155pub use prettier::RANGE_FORMAT_SUFFIX as TEST_PRETTIER_RANGE_FORMAT_SUFFIX;
 156pub use task_inventory::{
 157    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 158    TaskSourceKind,
 159};
 160
 161pub use buffer_store::ProjectTransaction;
 162pub use lsp_store::{
 163    DiagnosticSummary, InvalidationStrategy, LanguageServerLogType, LanguageServerProgress,
 164    LanguageServerPromptRequest, LanguageServerStatus, LanguageServerToQuery, LspStore,
 165    LspStoreEvent, ProgressToken, SERVER_PROGRESS_THROTTLE_TIMEOUT,
 166};
 167pub use toolchain_store::{ToolchainStore, Toolchains};
 168const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 169
 170#[derive(Clone, Copy, Debug)]
 171pub struct LocalProjectFlags {
 172    pub init_worktree_trust: bool,
 173    pub watch_global_configs: bool,
 174}
 175
 176impl Default for LocalProjectFlags {
 177    fn default() -> Self {
 178        Self {
 179            init_worktree_trust: true,
 180            watch_global_configs: true,
 181        }
 182    }
 183}
 184
 185pub trait ProjectItem: 'static {
 186    fn try_open(
 187        project: &Entity<Project>,
 188        path: &ProjectPath,
 189        cx: &mut App,
 190    ) -> Option<Task<Result<Entity<Self>>>>
 191    where
 192        Self: Sized;
 193    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 194    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 195    fn is_dirty(&self) -> bool;
 196}
 197
 198#[derive(Clone)]
 199pub enum OpenedBufferEvent {
 200    Disconnected,
 201    Ok(BufferId),
 202    Err(BufferId, Arc<anyhow::Error>),
 203}
 204
 205/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 206/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 207/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 208///
 209/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 210pub struct Project {
 211    active_entry: Option<ProjectEntryId>,
 212    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 213    languages: Arc<LanguageRegistry>,
 214    dap_store: Entity<DapStore>,
 215    agent_server_store: Entity<AgentServerStore>,
 216
 217    breakpoint_store: Entity<BreakpointStore>,
 218    collab_client: Arc<client::Client>,
 219    join_project_response_message_id: u32,
 220    task_store: Entity<TaskStore>,
 221    user_store: Entity<UserStore>,
 222    fs: Arc<dyn Fs>,
 223    remote_client: Option<Entity<RemoteClient>>,
 224    // todo lw explain the client_state x remote_client matrix, its super confusing
 225    client_state: ProjectClientState,
 226    git_store: Entity<GitStore>,
 227    collaborators: HashMap<proto::PeerId, Collaborator>,
 228    client_subscriptions: Vec<client::Subscription>,
 229    worktree_store: Entity<WorktreeStore>,
 230    buffer_store: Entity<BufferStore>,
 231    context_server_store: Entity<ContextServerStore>,
 232    image_store: Entity<ImageStore>,
 233    lsp_store: Entity<LspStore>,
 234    _subscriptions: Vec<gpui::Subscription>,
 235    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 236    git_diff_debouncer: DebouncedDelay<Self>,
 237    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 238    terminals: Terminals,
 239    node: Option<NodeRuntime>,
 240    search_history: SearchHistory,
 241    search_included_history: SearchHistory,
 242    search_excluded_history: SearchHistory,
 243    snippets: Entity<SnippetProvider>,
 244    environment: Entity<ProjectEnvironment>,
 245    settings_observer: Entity<SettingsObserver>,
 246    toolchain_store: Option<Entity<ToolchainStore>>,
 247    agent_location: Option<AgentLocation>,
 248    downloading_files: Arc<Mutex<HashMap<(WorktreeId, String), DownloadingFile>>>,
 249}
 250
 251struct DownloadingFile {
 252    destination_path: PathBuf,
 253    chunks: Vec<u8>,
 254    total_size: u64,
 255    file_id: Option<u64>, // Set when we receive the State message
 256}
 257
 258#[derive(Clone, Debug, PartialEq, Eq)]
 259pub struct AgentLocation {
 260    pub buffer: WeakEntity<Buffer>,
 261    pub position: Anchor,
 262}
 263
 264#[derive(Default)]
 265struct RemotelyCreatedModels {
 266    worktrees: Vec<Entity<Worktree>>,
 267    buffers: Vec<Entity<Buffer>>,
 268    retain_count: usize,
 269}
 270
 271struct RemotelyCreatedModelGuard {
 272    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 273}
 274
 275impl Drop for RemotelyCreatedModelGuard {
 276    fn drop(&mut self) {
 277        if let Some(remote_models) = self.remote_models.upgrade() {
 278            let mut remote_models = remote_models.lock();
 279            assert!(
 280                remote_models.retain_count > 0,
 281                "RemotelyCreatedModelGuard dropped too many times"
 282            );
 283            remote_models.retain_count -= 1;
 284            if remote_models.retain_count == 0 {
 285                remote_models.buffers.clear();
 286                remote_models.worktrees.clear();
 287            }
 288        }
 289    }
 290}
 291/// Message ordered with respect to buffer operations
 292#[derive(Debug)]
 293enum BufferOrderedMessage {
 294    Operation {
 295        buffer_id: BufferId,
 296        operation: proto::Operation,
 297    },
 298    LanguageServerUpdate {
 299        language_server_id: LanguageServerId,
 300        message: proto::update_language_server::Variant,
 301        name: Option<LanguageServerName>,
 302    },
 303    Resync,
 304}
 305
 306#[derive(Debug)]
 307enum ProjectClientState {
 308    /// Single-player mode.
 309    Local,
 310    /// Multi-player mode but still a local project.
 311    Shared { remote_id: u64 },
 312    /// Multi-player mode but working on a remote project.
 313    Collab {
 314        sharing_has_stopped: bool,
 315        capability: Capability,
 316        remote_id: u64,
 317        replica_id: ReplicaId,
 318    },
 319}
 320
 321/// A link to display in a toast notification, useful to point to documentation.
 322#[derive(PartialEq, Debug, Clone)]
 323pub struct ToastLink {
 324    pub label: &'static str,
 325    pub url: &'static str,
 326}
 327
 328#[derive(Clone, Debug, PartialEq)]
 329pub enum Event {
 330    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 331    LanguageServerRemoved(LanguageServerId),
 332    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 333    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 334    // Zed's buffer-related data is updated accordingly.
 335    LanguageServerBufferRegistered {
 336        server_id: LanguageServerId,
 337        buffer_id: BufferId,
 338        buffer_abs_path: PathBuf,
 339        name: Option<LanguageServerName>,
 340    },
 341    ToggleLspLogs {
 342        server_id: LanguageServerId,
 343        enabled: bool,
 344        toggled_log_kind: LogKind,
 345    },
 346    Toast {
 347        notification_id: SharedString,
 348        message: String,
 349        /// Optional link to display as a button in the toast.
 350        link: Option<ToastLink>,
 351    },
 352    HideToast {
 353        notification_id: SharedString,
 354    },
 355    LanguageServerPrompt(LanguageServerPromptRequest),
 356    LanguageNotFound(Entity<Buffer>),
 357    ActiveEntryChanged(Option<ProjectEntryId>),
 358    ActivateProjectPanel,
 359    WorktreeAdded(WorktreeId),
 360    WorktreeOrderChanged,
 361    WorktreeRemoved(WorktreeId),
 362    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 363    WorktreeUpdatedRootRepoCommonDir(WorktreeId),
 364    DiskBasedDiagnosticsStarted {
 365        language_server_id: LanguageServerId,
 366    },
 367    DiskBasedDiagnosticsFinished {
 368        language_server_id: LanguageServerId,
 369    },
 370    DiagnosticsUpdated {
 371        paths: Vec<ProjectPath>,
 372        language_server_id: LanguageServerId,
 373    },
 374    RemoteIdChanged(Option<u64>),
 375    DisconnectedFromHost,
 376    DisconnectedFromRemote {
 377        server_not_running: bool,
 378    },
 379    Closed,
 380    DeletedEntry(WorktreeId, ProjectEntryId),
 381    CollaboratorUpdated {
 382        old_peer_id: proto::PeerId,
 383        new_peer_id: proto::PeerId,
 384    },
 385    CollaboratorJoined(proto::PeerId),
 386    CollaboratorLeft(proto::PeerId),
 387    HostReshared,
 388    Reshared,
 389    Rejoined,
 390    RefreshInlayHints {
 391        server_id: LanguageServerId,
 392        request_id: Option<usize>,
 393    },
 394    RefreshSemanticTokens {
 395        server_id: LanguageServerId,
 396        request_id: Option<usize>,
 397    },
 398    RefreshCodeLens,
 399    RevealInProjectPanel(ProjectEntryId),
 400    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 401    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 402    EntryRenamed(ProjectTransaction, ProjectPath, PathBuf),
 403    WorkspaceEditApplied(ProjectTransaction),
 404    AgentLocationChanged,
 405    BufferEdited,
 406}
 407
 408pub struct AgentLocationChanged;
 409
 410pub enum DebugAdapterClientState {
 411    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 412    Running(Arc<DebugAdapterClient>),
 413}
 414
 415#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 416pub struct ProjectPath {
 417    pub worktree_id: WorktreeId,
 418    pub path: Arc<RelPath>,
 419}
 420
 421impl ProjectPath {
 422    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 423        ProjectPath {
 424            worktree_id: value.worktree_id(cx),
 425            path: value.path().clone(),
 426        }
 427    }
 428
 429    pub fn from_proto(p: proto::ProjectPath) -> Option<Self> {
 430        Some(Self {
 431            worktree_id: WorktreeId::from_proto(p.worktree_id),
 432            path: RelPath::from_proto(&p.path).log_err()?,
 433        })
 434    }
 435
 436    pub fn to_proto(&self) -> proto::ProjectPath {
 437        proto::ProjectPath {
 438            worktree_id: self.worktree_id.to_proto(),
 439            path: self.path.as_ref().to_proto(),
 440        }
 441    }
 442
 443    pub fn root_path(worktree_id: WorktreeId) -> Self {
 444        Self {
 445            worktree_id,
 446            path: RelPath::empty().into(),
 447        }
 448    }
 449
 450    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 451        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 452    }
 453}
 454
 455#[derive(Debug, Default)]
 456pub enum PrepareRenameResponse {
 457    Success(Range<Anchor>),
 458    OnlyUnpreparedRenameSupported,
 459    #[default]
 460    InvalidPosition,
 461}
 462
 463#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 464pub enum InlayId {
 465    EditPrediction(usize),
 466    DebuggerValue(usize),
 467    // LSP
 468    Hint(usize),
 469    Color(usize),
 470    ReplResult(usize),
 471}
 472
 473impl InlayId {
 474    pub fn id(&self) -> usize {
 475        match self {
 476            Self::EditPrediction(id) => *id,
 477            Self::DebuggerValue(id) => *id,
 478            Self::Hint(id) => *id,
 479            Self::Color(id) => *id,
 480            Self::ReplResult(id) => *id,
 481        }
 482    }
 483}
 484
 485#[derive(Debug, Clone, PartialEq, Eq)]
 486pub struct InlayHint {
 487    pub position: language::Anchor,
 488    pub label: InlayHintLabel,
 489    pub kind: Option<InlayHintKind>,
 490    pub padding_left: bool,
 491    pub padding_right: bool,
 492    pub tooltip: Option<InlayHintTooltip>,
 493    pub resolve_state: ResolveState,
 494}
 495
 496/// The user's intent behind a given completion confirmation.
 497#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 498pub enum CompletionIntent {
 499    /// The user intends to 'commit' this result, if possible.
 500    /// Completion confirmations should run side effects.
 501    ///
 502    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 503    Complete,
 504    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 505    CompleteWithInsert,
 506    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 507    CompleteWithReplace,
 508    /// The user intends to continue 'composing' this completion.
 509    /// Completion confirmations should not run side effects and
 510    /// let the user continue composing their action.
 511    Compose,
 512}
 513
 514impl CompletionIntent {
 515    pub fn is_complete(&self) -> bool {
 516        self == &Self::Complete
 517    }
 518
 519    pub fn is_compose(&self) -> bool {
 520        self == &Self::Compose
 521    }
 522}
 523
 524/// Similar to `CoreCompletion`, but with extra metadata attached.
 525#[derive(Clone)]
 526pub struct Completion {
 527    /// The range of text that will be replaced by this completion.
 528    pub replace_range: Range<Anchor>,
 529    /// The new text that will be inserted.
 530    pub new_text: String,
 531    /// A label for this completion that is shown in the menu.
 532    pub label: CodeLabel,
 533    /// The documentation for this completion.
 534    pub documentation: Option<CompletionDocumentation>,
 535    /// Completion data source which it was constructed from.
 536    pub source: CompletionSource,
 537    /// A path to an icon for this completion that is shown in the menu.
 538    pub icon_path: Option<SharedString>,
 539    /// Text starting here and ending at the cursor will be used as the query for filtering this completion.
 540    ///
 541    /// If None, the start of the surrounding word is used.
 542    pub match_start: Option<text::Anchor>,
 543    /// Key used for de-duplicating snippets. If None, always considered unique.
 544    pub snippet_deduplication_key: Option<(usize, usize)>,
 545    /// Whether to adjust indentation (the default) or not.
 546    pub insert_text_mode: Option<InsertTextMode>,
 547    /// An optional callback to invoke when this completion is confirmed.
 548    /// Returns whether new completions should be retriggered after the current one.
 549    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 550    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 551    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 552}
 553
 554#[derive(Debug, Clone)]
 555pub enum CompletionSource {
 556    Lsp {
 557        /// The alternate `insert` range, if provided by the LSP server.
 558        insert_range: Option<Range<Anchor>>,
 559        /// The id of the language server that produced this completion.
 560        server_id: LanguageServerId,
 561        /// The raw completion provided by the language server.
 562        lsp_completion: Box<lsp::CompletionItem>,
 563        /// A set of defaults for this completion item.
 564        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 565        /// Whether this completion has been resolved, to ensure it happens once per completion.
 566        resolved: bool,
 567    },
 568    Dap {
 569        /// The sort text for this completion.
 570        sort_text: String,
 571    },
 572    Custom,
 573    BufferWord {
 574        word_range: Range<Anchor>,
 575        resolved: bool,
 576    },
 577}
 578
 579impl CompletionSource {
 580    pub fn server_id(&self) -> Option<LanguageServerId> {
 581        if let CompletionSource::Lsp { server_id, .. } = self {
 582            Some(*server_id)
 583        } else {
 584            None
 585        }
 586    }
 587
 588    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 589        if let Self::Lsp {
 590            lsp_completion,
 591            lsp_defaults,
 592            ..
 593        } = self
 594        {
 595            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
 596                let mut completion_with_defaults = *lsp_completion.clone();
 597                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 598                let default_edit_range = lsp_defaults.edit_range.as_ref();
 599                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 600                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 601
 602                if default_commit_characters.is_some()
 603                    || default_edit_range.is_some()
 604                    || default_insert_text_format.is_some()
 605                    || default_insert_text_mode.is_some()
 606                {
 607                    if completion_with_defaults.commit_characters.is_none()
 608                        && default_commit_characters.is_some()
 609                    {
 610                        completion_with_defaults.commit_characters =
 611                            default_commit_characters.cloned()
 612                    }
 613                    if completion_with_defaults.text_edit.is_none() {
 614                        match default_edit_range {
 615                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 616                                completion_with_defaults.text_edit =
 617                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 618                                        range: *range,
 619                                        new_text: completion_with_defaults.label.clone(),
 620                                    }))
 621                            }
 622                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 623                                insert,
 624                                replace,
 625                            }) => {
 626                                completion_with_defaults.text_edit =
 627                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 628                                        lsp::InsertReplaceEdit {
 629                                            new_text: completion_with_defaults.label.clone(),
 630                                            insert: *insert,
 631                                            replace: *replace,
 632                                        },
 633                                    ))
 634                            }
 635                            None => {}
 636                        }
 637                    }
 638                    if completion_with_defaults.insert_text_format.is_none()
 639                        && default_insert_text_format.is_some()
 640                    {
 641                        completion_with_defaults.insert_text_format =
 642                            default_insert_text_format.cloned()
 643                    }
 644                    if completion_with_defaults.insert_text_mode.is_none()
 645                        && default_insert_text_mode.is_some()
 646                    {
 647                        completion_with_defaults.insert_text_mode =
 648                            default_insert_text_mode.cloned()
 649                    }
 650                }
 651                return Some(Cow::Owned(completion_with_defaults));
 652            }
 653            Some(Cow::Borrowed(lsp_completion))
 654        } else {
 655            None
 656        }
 657    }
 658}
 659
 660impl std::fmt::Debug for Completion {
 661    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 662        f.debug_struct("Completion")
 663            .field("replace_range", &self.replace_range)
 664            .field("new_text", &self.new_text)
 665            .field("label", &self.label)
 666            .field("documentation", &self.documentation)
 667            .field("source", &self.source)
 668            .finish()
 669    }
 670}
 671
 672/// Response from a source of completions.
 673pub struct CompletionResponse {
 674    pub completions: Vec<Completion>,
 675    pub display_options: CompletionDisplayOptions,
 676    /// When false, indicates that the list is complete and does not need to be re-queried if it
 677    /// can be filtered instead.
 678    pub is_incomplete: bool,
 679}
 680
 681#[derive(Default)]
 682pub struct CompletionDisplayOptions {
 683    pub dynamic_width: bool,
 684}
 685
 686impl CompletionDisplayOptions {
 687    pub fn merge(&mut self, other: &CompletionDisplayOptions) {
 688        self.dynamic_width = self.dynamic_width && other.dynamic_width;
 689    }
 690}
 691
 692/// Response from language server completion request.
 693#[derive(Clone, Debug, Default)]
 694pub(crate) struct CoreCompletionResponse {
 695    pub completions: Vec<CoreCompletion>,
 696    /// When false, indicates that the list is complete and does not need to be re-queried if it
 697    /// can be filtered instead.
 698    pub is_incomplete: bool,
 699}
 700
 701/// A generic completion that can come from different sources.
 702#[derive(Clone, Debug)]
 703pub(crate) struct CoreCompletion {
 704    replace_range: Range<Anchor>,
 705    new_text: String,
 706    source: CompletionSource,
 707}
 708
 709/// A code action provided by a language server.
 710#[derive(Clone, Debug, PartialEq)]
 711pub struct CodeAction {
 712    /// The id of the language server that produced this code action.
 713    pub server_id: LanguageServerId,
 714    /// The range of the buffer where this code action is applicable.
 715    pub range: Range<Anchor>,
 716    /// The raw code action provided by the language server.
 717    /// Can be either an action or a command.
 718    pub lsp_action: LspAction,
 719    /// Whether the action needs to be resolved using the language server.
 720    pub resolved: bool,
 721}
 722
 723/// An action sent back by a language server.
 724#[derive(Clone, Debug, PartialEq)]
 725pub enum LspAction {
 726    /// An action with the full data, may have a command or may not.
 727    /// May require resolving.
 728    Action(Box<lsp::CodeAction>),
 729    /// A command data to run as an action.
 730    Command(lsp::Command),
 731    /// A code lens data to run as an action.
 732    CodeLens(lsp::CodeLens),
 733}
 734
 735impl LspAction {
 736    pub fn title(&self) -> &str {
 737        match self {
 738            Self::Action(action) => &action.title,
 739            Self::Command(command) => &command.title,
 740            Self::CodeLens(lens) => lens
 741                .command
 742                .as_ref()
 743                .map(|command| command.title.as_str())
 744                .unwrap_or("Unknown command"),
 745        }
 746    }
 747
 748    pub fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 749        match self {
 750            Self::Action(action) => action.kind.clone(),
 751            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 752            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 753        }
 754    }
 755
 756    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 757        match self {
 758            Self::Action(action) => action.edit.as_ref(),
 759            Self::Command(_) => None,
 760            Self::CodeLens(_) => None,
 761        }
 762    }
 763
 764    fn command(&self) -> Option<&lsp::Command> {
 765        match self {
 766            Self::Action(action) => action.command.as_ref(),
 767            Self::Command(command) => Some(command),
 768            Self::CodeLens(lens) => lens.command.as_ref(),
 769        }
 770    }
 771}
 772
 773#[derive(Debug, Clone, PartialEq, Eq)]
 774pub enum ResolveState {
 775    Resolved,
 776    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 777    Resolving,
 778}
 779impl InlayHint {
 780    pub fn text(&self) -> Rope {
 781        match &self.label {
 782            InlayHintLabel::String(s) => Rope::from(s),
 783            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
 784        }
 785    }
 786}
 787
 788#[derive(Debug, Clone, PartialEq, Eq)]
 789pub enum InlayHintLabel {
 790    String(String),
 791    LabelParts(Vec<InlayHintLabelPart>),
 792}
 793
 794#[derive(Debug, Clone, PartialEq, Eq)]
 795pub struct InlayHintLabelPart {
 796    pub value: String,
 797    pub tooltip: Option<InlayHintLabelPartTooltip>,
 798    pub location: Option<(LanguageServerId, lsp::Location)>,
 799}
 800
 801#[derive(Debug, Clone, PartialEq, Eq)]
 802pub enum InlayHintTooltip {
 803    String(String),
 804    MarkupContent(MarkupContent),
 805}
 806
 807#[derive(Debug, Clone, PartialEq, Eq)]
 808pub enum InlayHintLabelPartTooltip {
 809    String(String),
 810    MarkupContent(MarkupContent),
 811}
 812
 813#[derive(Debug, Clone, PartialEq, Eq)]
 814pub struct MarkupContent {
 815    pub kind: HoverBlockKind,
 816    pub value: String,
 817}
 818
 819#[derive(Debug, Clone, PartialEq)]
 820pub struct LocationLink {
 821    pub origin: Option<Location>,
 822    pub target: Location,
 823}
 824
 825#[derive(Debug)]
 826pub struct DocumentHighlight {
 827    pub range: Range<language::Anchor>,
 828    pub kind: DocumentHighlightKind,
 829}
 830
 831#[derive(Clone, Debug)]
 832pub struct Symbol {
 833    pub language_server_name: LanguageServerName,
 834    pub source_worktree_id: WorktreeId,
 835    pub source_language_server_id: LanguageServerId,
 836    pub path: SymbolLocation,
 837    pub label: CodeLabel,
 838    pub name: String,
 839    pub kind: lsp::SymbolKind,
 840    pub range: Range<Unclipped<PointUtf16>>,
 841    pub container_name: Option<String>,
 842}
 843
 844#[derive(Clone, Debug)]
 845pub struct DocumentSymbol {
 846    pub name: String,
 847    pub kind: lsp::SymbolKind,
 848    pub range: Range<Unclipped<PointUtf16>>,
 849    pub selection_range: Range<Unclipped<PointUtf16>>,
 850    pub children: Vec<DocumentSymbol>,
 851}
 852
 853#[derive(Clone, Debug, PartialEq)]
 854pub struct HoverBlock {
 855    pub text: String,
 856    pub kind: HoverBlockKind,
 857}
 858
 859#[derive(Clone, Debug, PartialEq, Eq)]
 860pub enum HoverBlockKind {
 861    PlainText,
 862    Markdown,
 863    Code { language: String },
 864}
 865
 866#[derive(Debug, Clone)]
 867pub struct Hover {
 868    pub contents: Vec<HoverBlock>,
 869    pub range: Option<Range<language::Anchor>>,
 870    pub language: Option<Arc<Language>>,
 871}
 872
 873impl Hover {
 874    pub fn is_empty(&self) -> bool {
 875        self.contents.iter().all(|block| block.text.is_empty())
 876    }
 877}
 878
 879enum EntitySubscription {
 880    Project(PendingEntitySubscription<Project>),
 881    BufferStore(PendingEntitySubscription<BufferStore>),
 882    GitStore(PendingEntitySubscription<GitStore>),
 883    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 884    LspStore(PendingEntitySubscription<LspStore>),
 885    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 886    DapStore(PendingEntitySubscription<DapStore>),
 887    BreakpointStore(PendingEntitySubscription<BreakpointStore>),
 888}
 889
 890#[derive(Debug, Clone)]
 891pub struct DirectoryItem {
 892    pub path: PathBuf,
 893    pub is_dir: bool,
 894}
 895
 896#[derive(Clone, Debug, PartialEq)]
 897pub struct DocumentColor {
 898    pub lsp_range: lsp::Range,
 899    pub color: lsp::Color,
 900    pub resolved: bool,
 901    pub color_presentations: Vec<ColorPresentation>,
 902}
 903
 904impl Eq for DocumentColor {}
 905
 906impl std::hash::Hash for DocumentColor {
 907    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 908        self.lsp_range.hash(state);
 909        self.color.red.to_bits().hash(state);
 910        self.color.green.to_bits().hash(state);
 911        self.color.blue.to_bits().hash(state);
 912        self.color.alpha.to_bits().hash(state);
 913        self.resolved.hash(state);
 914        self.color_presentations.hash(state);
 915    }
 916}
 917
 918#[derive(Clone, Debug, PartialEq, Eq)]
 919pub struct ColorPresentation {
 920    pub label: SharedString,
 921    pub text_edit: Option<lsp::TextEdit>,
 922    pub additional_text_edits: Vec<lsp::TextEdit>,
 923}
 924
 925impl std::hash::Hash for ColorPresentation {
 926    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 927        self.label.hash(state);
 928        if let Some(ref edit) = self.text_edit {
 929            edit.range.hash(state);
 930            edit.new_text.hash(state);
 931        }
 932        self.additional_text_edits.len().hash(state);
 933        for edit in &self.additional_text_edits {
 934            edit.range.hash(state);
 935            edit.new_text.hash(state);
 936        }
 937    }
 938}
 939
 940#[derive(Clone)]
 941pub enum DirectoryLister {
 942    Project(Entity<Project>),
 943    Local(Entity<Project>, Arc<dyn Fs>),
 944}
 945
 946impl std::fmt::Debug for DirectoryLister {
 947    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 948        match self {
 949            DirectoryLister::Project(project) => {
 950                write!(f, "DirectoryLister::Project({project:?})")
 951            }
 952            DirectoryLister::Local(project, _) => {
 953                write!(f, "DirectoryLister::Local({project:?})")
 954            }
 955        }
 956    }
 957}
 958
 959impl DirectoryLister {
 960    pub fn is_local(&self, cx: &App) -> bool {
 961        match self {
 962            DirectoryLister::Local(..) => true,
 963            DirectoryLister::Project(project) => project.read(cx).is_local(),
 964        }
 965    }
 966
 967    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 968        if self.is_local(cx) {
 969            shellexpand::tilde(path)
 970        } else {
 971            Cow::from(path)
 972        }
 973    }
 974
 975    pub fn default_query(&self, cx: &mut App) -> String {
 976        let project = match self {
 977            DirectoryLister::Project(project) => project,
 978            DirectoryLister::Local(project, _) => project,
 979        }
 980        .read(cx);
 981        let path_style = project.path_style(cx);
 982        project
 983            .visible_worktrees(cx)
 984            .next()
 985            .map(|worktree| worktree.read(cx).abs_path().to_string_lossy().into_owned())
 986            .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().into_owned()))
 987            .map(|mut s| {
 988                s.push_str(path_style.primary_separator());
 989                s
 990            })
 991            .unwrap_or_else(|| {
 992                if path_style.is_windows() {
 993                    "C:\\"
 994                } else {
 995                    "~/"
 996                }
 997                .to_string()
 998            })
 999    }
1000
1001    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
1002        match self {
1003            DirectoryLister::Project(project) => {
1004                project.update(cx, |project, cx| project.list_directory(path, cx))
1005            }
1006            DirectoryLister::Local(_, fs) => {
1007                let fs = fs.clone();
1008                cx.background_spawn(async move {
1009                    let mut results = vec![];
1010                    let expanded = shellexpand::tilde(&path);
1011                    let query = Path::new(expanded.as_ref());
1012                    let mut response = fs.read_dir(query).await?;
1013                    while let Some(path) = response.next().await {
1014                        let path = path?;
1015                        if let Some(file_name) = path.file_name() {
1016                            results.push(DirectoryItem {
1017                                path: PathBuf::from(file_name.to_os_string()),
1018                                is_dir: fs.is_dir(&path).await,
1019                            });
1020                        }
1021                    }
1022                    Ok(results)
1023                })
1024            }
1025        }
1026    }
1027
1028    pub fn path_style(&self, cx: &App) -> PathStyle {
1029        match self {
1030            Self::Local(project, ..) | Self::Project(project, ..) => {
1031                project.read(cx).path_style(cx)
1032            }
1033        }
1034    }
1035}
1036
1037pub const CURRENT_PROJECT_FEATURES: &[&str] = &["new-style-anchors"];
1038
1039#[cfg(feature = "test-support")]
1040pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
1041    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
1042    trigger_character: None,
1043};
1044
1045/// An LSP diagnostics associated with a certain language server.
1046#[derive(Clone, Debug, Default)]
1047pub enum LspPullDiagnostics {
1048    #[default]
1049    Default,
1050    Response {
1051        /// The id of the language server that produced diagnostics.
1052        server_id: LanguageServerId,
1053        /// URI of the resource,
1054        uri: lsp::Uri,
1055        /// The ID provided by the dynamic registration that produced diagnostics.
1056        registration_id: Option<SharedString>,
1057        /// The diagnostics produced by this language server.
1058        diagnostics: PulledDiagnostics,
1059    },
1060}
1061
1062#[derive(Clone, Debug)]
1063pub enum PulledDiagnostics {
1064    Unchanged {
1065        /// An ID the current pulled batch for this file.
1066        /// If given, can be used to query workspace diagnostics partially.
1067        result_id: SharedString,
1068    },
1069    Changed {
1070        result_id: Option<SharedString>,
1071        diagnostics: Vec<lsp::Diagnostic>,
1072    },
1073}
1074
1075/// Whether to disable all AI features in Zed.
1076///
1077/// Default: false
1078#[derive(Copy, Clone, Debug, RegisterSetting)]
1079pub struct DisableAiSettings {
1080    pub disable_ai: bool,
1081}
1082
1083impl settings::Settings for DisableAiSettings {
1084    fn from_settings(content: &settings::SettingsContent) -> Self {
1085        Self {
1086            disable_ai: content.project.disable_ai.unwrap().0,
1087        }
1088    }
1089}
1090
1091impl DisableAiSettings {
1092    /// Returns whether AI is disabled for the given file.
1093    ///
1094    /// This checks the project-level settings for the file's worktree,
1095    /// allowing `disable_ai` to be configured per-project in `.zed/settings.json`.
1096    pub fn is_ai_disabled_for_buffer(buffer: Option<&Entity<Buffer>>, cx: &App) -> bool {
1097        Self::is_ai_disabled_for_file(buffer.and_then(|buffer| buffer.read(cx).file()), cx)
1098    }
1099
1100    pub fn is_ai_disabled_for_file(file: Option<&Arc<dyn language::File>>, cx: &App) -> bool {
1101        let location = file.map(|f| settings::SettingsLocation {
1102            worktree_id: f.worktree_id(cx),
1103            path: f.path().as_ref(),
1104        });
1105        Self::get(location, cx).disable_ai
1106    }
1107}
1108
1109impl Project {
1110    pub fn init(client: &Arc<Client>, cx: &mut App) {
1111        connection_manager::init(client.clone(), cx);
1112
1113        let client: AnyProtoClient = client.clone().into();
1114        client.add_entity_message_handler(Self::handle_add_collaborator);
1115        client.add_entity_message_handler(Self::handle_update_project_collaborator);
1116        client.add_entity_message_handler(Self::handle_remove_collaborator);
1117        client.add_entity_message_handler(Self::handle_update_project);
1118        client.add_entity_message_handler(Self::handle_unshare_project);
1119        client.add_entity_request_handler(Self::handle_update_buffer);
1120        client.add_entity_message_handler(Self::handle_update_worktree);
1121        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1122
1123        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1124        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1125        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1126        client.add_entity_request_handler(Self::handle_open_new_buffer);
1127        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1128        client.add_entity_message_handler(Self::handle_toggle_lsp_logs);
1129        client.add_entity_message_handler(Self::handle_create_image_for_peer);
1130        client.add_entity_request_handler(Self::handle_find_search_candidates_chunk);
1131        client.add_entity_message_handler(Self::handle_find_search_candidates_cancel);
1132        client.add_entity_message_handler(Self::handle_create_file_for_peer);
1133
1134        WorktreeStore::init(&client);
1135        BufferStore::init(&client);
1136        LspStore::init(&client);
1137        GitStore::init(&client);
1138        SettingsObserver::init(&client);
1139        TaskStore::init(Some(&client));
1140        ToolchainStore::init(&client);
1141        DapStore::init(&client, cx);
1142        BreakpointStore::init(&client);
1143        context_server_store::init(cx);
1144    }
1145
1146    pub fn local(
1147        client: Arc<Client>,
1148        node: NodeRuntime,
1149        user_store: Entity<UserStore>,
1150        languages: Arc<LanguageRegistry>,
1151        fs: Arc<dyn Fs>,
1152        env: Option<HashMap<String, String>>,
1153        flags: LocalProjectFlags,
1154        cx: &mut App,
1155    ) -> Entity<Self> {
1156        cx.new(|cx: &mut Context<Self>| {
1157            let (tx, rx) = mpsc::unbounded();
1158            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1159                .detach();
1160            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1161            let worktree_store =
1162                cx.new(|cx| WorktreeStore::local(false, fs.clone(), WorktreeIdCounter::get(cx)));
1163            if flags.init_worktree_trust {
1164                trusted_worktrees::track_worktree_trust(
1165                    worktree_store.clone(),
1166                    None,
1167                    None,
1168                    None,
1169                    cx,
1170                );
1171            }
1172            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1173                .detach();
1174
1175            let weak_self = cx.weak_entity();
1176            let context_server_store = cx.new(|cx| {
1177                ContextServerStore::local(
1178                    worktree_store.clone(),
1179                    Some(weak_self.clone()),
1180                    false,
1181                    cx,
1182                )
1183            });
1184
1185            let environment = cx.new(|cx| {
1186                ProjectEnvironment::new(env, worktree_store.downgrade(), None, false, cx)
1187            });
1188            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1189            let toolchain_store = cx.new(|cx| {
1190                ToolchainStore::local(
1191                    languages.clone(),
1192                    worktree_store.clone(),
1193                    environment.clone(),
1194                    manifest_tree.clone(),
1195                    cx,
1196                )
1197            });
1198
1199            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1200            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1201                .detach();
1202
1203            let breakpoint_store =
1204                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1205
1206            let dap_store = cx.new(|cx| {
1207                DapStore::new_local(
1208                    client.http_client(),
1209                    node.clone(),
1210                    fs.clone(),
1211                    environment.clone(),
1212                    toolchain_store.read(cx).as_language_toolchain_store(),
1213                    worktree_store.clone(),
1214                    breakpoint_store.clone(),
1215                    false,
1216                    cx,
1217                )
1218            });
1219            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1220
1221            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1222            cx.subscribe(&image_store, Self::on_image_store_event)
1223                .detach();
1224
1225            let prettier_store = cx.new(|cx| {
1226                PrettierStore::new(
1227                    node.clone(),
1228                    fs.clone(),
1229                    languages.clone(),
1230                    worktree_store.clone(),
1231                    cx,
1232                )
1233            });
1234
1235            let git_store = cx.new(|cx| {
1236                GitStore::local(
1237                    &worktree_store,
1238                    buffer_store.clone(),
1239                    environment.clone(),
1240                    fs.clone(),
1241                    cx,
1242                )
1243            });
1244
1245            let task_store = cx.new(|cx| {
1246                TaskStore::local(
1247                    buffer_store.downgrade(),
1248                    worktree_store.clone(),
1249                    toolchain_store.read(cx).as_language_toolchain_store(),
1250                    environment.clone(),
1251                    git_store.clone(),
1252                    cx,
1253                )
1254            });
1255
1256            let settings_observer = cx.new(|cx| {
1257                SettingsObserver::new_local(
1258                    fs.clone(),
1259                    worktree_store.clone(),
1260                    task_store.clone(),
1261                    flags.watch_global_configs,
1262                    cx,
1263                )
1264            });
1265            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1266                .detach();
1267
1268            let lsp_store = cx.new(|cx| {
1269                LspStore::new_local(
1270                    buffer_store.clone(),
1271                    worktree_store.clone(),
1272                    prettier_store.clone(),
1273                    toolchain_store
1274                        .read(cx)
1275                        .as_local_store()
1276                        .expect("Toolchain store to be local")
1277                        .clone(),
1278                    environment.clone(),
1279                    manifest_tree,
1280                    languages.clone(),
1281                    client.http_client(),
1282                    fs.clone(),
1283                    cx,
1284                )
1285            });
1286
1287            let agent_server_store = cx.new(|cx| {
1288                AgentServerStore::local(
1289                    node.clone(),
1290                    fs.clone(),
1291                    environment.clone(),
1292                    client.http_client(),
1293                    cx,
1294                )
1295            });
1296
1297            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1298
1299            Self {
1300                buffer_ordered_messages_tx: tx,
1301                collaborators: Default::default(),
1302                worktree_store,
1303                buffer_store,
1304                image_store,
1305                lsp_store,
1306                context_server_store,
1307                join_project_response_message_id: 0,
1308                client_state: ProjectClientState::Local,
1309                git_store,
1310                client_subscriptions: Vec::new(),
1311                _subscriptions: vec![cx.on_release(Self::release)],
1312                active_entry: None,
1313                snippets,
1314                languages,
1315                collab_client: client,
1316                task_store,
1317                user_store,
1318                settings_observer,
1319                fs,
1320                remote_client: None,
1321                breakpoint_store,
1322                dap_store,
1323                agent_server_store,
1324
1325                buffers_needing_diff: Default::default(),
1326                git_diff_debouncer: DebouncedDelay::new(),
1327                terminals: Terminals {
1328                    local_handles: Vec::new(),
1329                },
1330                node: Some(node),
1331                search_history: Self::new_search_history(),
1332                environment,
1333                remotely_created_models: Default::default(),
1334
1335                search_included_history: Self::new_search_history(),
1336                search_excluded_history: Self::new_search_history(),
1337
1338                toolchain_store: Some(toolchain_store),
1339
1340                agent_location: None,
1341                downloading_files: Default::default(),
1342            }
1343        })
1344    }
1345
1346    pub fn remote(
1347        remote: Entity<RemoteClient>,
1348        client: Arc<Client>,
1349        node: NodeRuntime,
1350        user_store: Entity<UserStore>,
1351        languages: Arc<LanguageRegistry>,
1352        fs: Arc<dyn Fs>,
1353        init_worktree_trust: bool,
1354        cx: &mut App,
1355    ) -> Entity<Self> {
1356        cx.new(|cx: &mut Context<Self>| {
1357            let (tx, rx) = mpsc::unbounded();
1358            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1359                .detach();
1360            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1361
1362            let (remote_proto, path_style, connection_options) =
1363                remote.read_with(cx, |remote, _| {
1364                    (
1365                        remote.proto_client(),
1366                        remote.path_style(),
1367                        remote.connection_options(),
1368                    )
1369                });
1370            let worktree_store = cx.new(|cx| {
1371                WorktreeStore::remote(
1372                    false,
1373                    remote_proto.clone(),
1374                    REMOTE_SERVER_PROJECT_ID,
1375                    path_style,
1376                    WorktreeIdCounter::get(cx),
1377                )
1378            });
1379
1380            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1381                .detach();
1382            if init_worktree_trust {
1383                trusted_worktrees::track_worktree_trust(
1384                    worktree_store.clone(),
1385                    Some(RemoteHostLocation::from(connection_options)),
1386                    None,
1387                    Some((remote_proto.clone(), ProjectId(REMOTE_SERVER_PROJECT_ID))),
1388                    cx,
1389                );
1390            }
1391
1392            let weak_self = cx.weak_entity();
1393
1394            let buffer_store = cx.new(|cx| {
1395                BufferStore::remote(
1396                    worktree_store.clone(),
1397                    remote.read(cx).proto_client(),
1398                    REMOTE_SERVER_PROJECT_ID,
1399                    cx,
1400                )
1401            });
1402            let image_store = cx.new(|cx| {
1403                ImageStore::remote(
1404                    worktree_store.clone(),
1405                    remote.read(cx).proto_client(),
1406                    REMOTE_SERVER_PROJECT_ID,
1407                    cx,
1408                )
1409            });
1410            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1411                .detach();
1412            let toolchain_store = cx.new(|cx| {
1413                ToolchainStore::remote(
1414                    REMOTE_SERVER_PROJECT_ID,
1415                    worktree_store.clone(),
1416                    remote.read(cx).proto_client(),
1417                    cx,
1418                )
1419            });
1420
1421            let context_server_store = cx.new(|cx| {
1422                ContextServerStore::remote(
1423                    rpc::proto::REMOTE_SERVER_PROJECT_ID,
1424                    remote.clone(),
1425                    worktree_store.clone(),
1426                    Some(weak_self.clone()),
1427                    cx,
1428                )
1429            });
1430
1431            let environment = cx.new(|cx| {
1432                ProjectEnvironment::new(
1433                    None,
1434                    worktree_store.downgrade(),
1435                    Some(remote.downgrade()),
1436                    false,
1437                    cx,
1438                )
1439            });
1440
1441            let lsp_store = cx.new(|cx| {
1442                LspStore::new_remote(
1443                    buffer_store.clone(),
1444                    worktree_store.clone(),
1445                    languages.clone(),
1446                    remote_proto.clone(),
1447                    REMOTE_SERVER_PROJECT_ID,
1448                    cx,
1449                )
1450            });
1451            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1452
1453            let breakpoint_store = cx.new(|_| {
1454                BreakpointStore::remote(
1455                    REMOTE_SERVER_PROJECT_ID,
1456                    remote_proto.clone(),
1457                    buffer_store.clone(),
1458                    worktree_store.clone(),
1459                )
1460            });
1461
1462            let dap_store = cx.new(|cx| {
1463                DapStore::new_remote(
1464                    REMOTE_SERVER_PROJECT_ID,
1465                    remote.clone(),
1466                    breakpoint_store.clone(),
1467                    worktree_store.clone(),
1468                    node.clone(),
1469                    client.http_client(),
1470                    fs.clone(),
1471                    cx,
1472                )
1473            });
1474
1475            let git_store = cx.new(|cx| {
1476                GitStore::remote(
1477                    &worktree_store,
1478                    buffer_store.clone(),
1479                    remote_proto.clone(),
1480                    REMOTE_SERVER_PROJECT_ID,
1481                    cx,
1482                )
1483            });
1484
1485            let task_store = cx.new(|cx| {
1486                TaskStore::remote(
1487                    buffer_store.downgrade(),
1488                    worktree_store.clone(),
1489                    toolchain_store.read(cx).as_language_toolchain_store(),
1490                    remote.read(cx).proto_client(),
1491                    REMOTE_SERVER_PROJECT_ID,
1492                    git_store.clone(),
1493                    cx,
1494                )
1495            });
1496
1497            let settings_observer = cx.new(|cx| {
1498                SettingsObserver::new_remote(
1499                    fs.clone(),
1500                    worktree_store.clone(),
1501                    task_store.clone(),
1502                    Some(remote_proto.clone()),
1503                    false,
1504                    cx,
1505                )
1506            });
1507            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1508                .detach();
1509
1510            let agent_server_store = cx.new(|_| {
1511                AgentServerStore::remote(
1512                    REMOTE_SERVER_PROJECT_ID,
1513                    remote.clone(),
1514                    worktree_store.clone(),
1515                )
1516            });
1517
1518            cx.subscribe(&remote, Self::on_remote_client_event).detach();
1519
1520            let this = Self {
1521                buffer_ordered_messages_tx: tx,
1522                collaborators: Default::default(),
1523                worktree_store,
1524                buffer_store,
1525                image_store,
1526                lsp_store,
1527                context_server_store,
1528                breakpoint_store,
1529                dap_store,
1530                join_project_response_message_id: 0,
1531                client_state: ProjectClientState::Local,
1532                git_store,
1533                agent_server_store,
1534                client_subscriptions: Vec::new(),
1535                _subscriptions: vec![
1536                    cx.on_release(Self::release),
1537                    cx.on_app_quit(|this, cx| {
1538                        let shutdown = this.remote_client.take().and_then(|client| {
1539                            client.update(cx, |client, cx| {
1540                                client.shutdown_processes(
1541                                    Some(proto::ShutdownRemoteServer {}),
1542                                    cx.background_executor().clone(),
1543                                )
1544                            })
1545                        });
1546
1547                        cx.background_executor().spawn(async move {
1548                            if let Some(shutdown) = shutdown {
1549                                shutdown.await;
1550                            }
1551                        })
1552                    }),
1553                ],
1554                active_entry: None,
1555                snippets,
1556                languages,
1557                collab_client: client,
1558                task_store,
1559                user_store,
1560                settings_observer,
1561                fs,
1562                remote_client: Some(remote.clone()),
1563                buffers_needing_diff: Default::default(),
1564                git_diff_debouncer: DebouncedDelay::new(),
1565                terminals: Terminals {
1566                    local_handles: Vec::new(),
1567                },
1568                node: Some(node),
1569                search_history: Self::new_search_history(),
1570                environment,
1571                remotely_created_models: Default::default(),
1572
1573                search_included_history: Self::new_search_history(),
1574                search_excluded_history: Self::new_search_history(),
1575
1576                toolchain_store: Some(toolchain_store),
1577                agent_location: None,
1578                downloading_files: Default::default(),
1579            };
1580
1581            // remote server -> local machine handlers
1582            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &cx.entity());
1583            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.buffer_store);
1584            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.worktree_store);
1585            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.lsp_store);
1586            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.dap_store);
1587            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.breakpoint_store);
1588            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.settings_observer);
1589            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.git_store);
1590            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.agent_server_store);
1591
1592            remote_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1593            remote_proto.add_entity_message_handler(Self::handle_create_image_for_peer);
1594            remote_proto.add_entity_message_handler(Self::handle_create_file_for_peer);
1595            remote_proto.add_entity_message_handler(Self::handle_update_worktree);
1596            remote_proto.add_entity_message_handler(Self::handle_update_project);
1597            remote_proto.add_entity_message_handler(Self::handle_toast);
1598            remote_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1599            remote_proto.add_entity_message_handler(Self::handle_hide_toast);
1600            remote_proto.add_entity_request_handler(Self::handle_update_buffer_from_remote_server);
1601            remote_proto.add_entity_request_handler(Self::handle_trust_worktrees);
1602            remote_proto.add_entity_request_handler(Self::handle_restrict_worktrees);
1603            remote_proto.add_entity_request_handler(Self::handle_find_search_candidates_chunk);
1604
1605            remote_proto.add_entity_message_handler(Self::handle_find_search_candidates_cancel);
1606            BufferStore::init(&remote_proto);
1607            WorktreeStore::init_remote(&remote_proto);
1608            LspStore::init(&remote_proto);
1609            SettingsObserver::init(&remote_proto);
1610            TaskStore::init(Some(&remote_proto));
1611            ToolchainStore::init(&remote_proto);
1612            DapStore::init(&remote_proto, cx);
1613            BreakpointStore::init(&remote_proto);
1614            GitStore::init(&remote_proto);
1615            AgentServerStore::init_remote(&remote_proto);
1616
1617            this
1618        })
1619    }
1620
1621    pub async fn in_room(
1622        remote_id: u64,
1623        client: Arc<Client>,
1624        user_store: Entity<UserStore>,
1625        languages: Arc<LanguageRegistry>,
1626        fs: Arc<dyn Fs>,
1627        cx: AsyncApp,
1628    ) -> Result<Entity<Self>> {
1629        client.connect(true, &cx).await.into_response()?;
1630
1631        let subscriptions = [
1632            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1633            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1634            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1635            EntitySubscription::WorktreeStore(
1636                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1637            ),
1638            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1639            EntitySubscription::SettingsObserver(
1640                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1641            ),
1642            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1643            EntitySubscription::BreakpointStore(
1644                client.subscribe_to_entity::<BreakpointStore>(remote_id)?,
1645            ),
1646        ];
1647        let committer = get_git_committer(&cx).await;
1648        let response = client
1649            .request_envelope(proto::JoinProject {
1650                project_id: remote_id,
1651                committer_email: committer.email,
1652                committer_name: committer.name,
1653                features: CURRENT_PROJECT_FEATURES
1654                    .iter()
1655                    .map(|s| s.to_string())
1656                    .collect(),
1657            })
1658            .await?;
1659        Self::from_join_project_response(
1660            response,
1661            subscriptions,
1662            client,
1663            false,
1664            user_store,
1665            languages,
1666            fs,
1667            cx,
1668        )
1669        .await
1670    }
1671
1672    async fn from_join_project_response(
1673        response: TypedEnvelope<proto::JoinProjectResponse>,
1674        subscriptions: [EntitySubscription; 8],
1675        client: Arc<Client>,
1676        run_tasks: bool,
1677        user_store: Entity<UserStore>,
1678        languages: Arc<LanguageRegistry>,
1679        fs: Arc<dyn Fs>,
1680        mut cx: AsyncApp,
1681    ) -> Result<Entity<Self>> {
1682        let remote_id = response.payload.project_id;
1683        let role = response.payload.role();
1684
1685        let path_style = if response.payload.windows_paths {
1686            PathStyle::Windows
1687        } else {
1688            PathStyle::Posix
1689        };
1690
1691        let worktree_store = cx.new(|cx| {
1692            WorktreeStore::remote(
1693                true,
1694                client.clone().into(),
1695                response.payload.project_id,
1696                path_style,
1697                WorktreeIdCounter::get(cx),
1698            )
1699        });
1700        let buffer_store = cx.new(|cx| {
1701            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1702        });
1703        let image_store = cx.new(|cx| {
1704            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1705        });
1706
1707        let environment =
1708            cx.new(|cx| ProjectEnvironment::new(None, worktree_store.downgrade(), None, true, cx));
1709        let breakpoint_store = cx.new(|_| {
1710            BreakpointStore::remote(
1711                remote_id,
1712                client.clone().into(),
1713                buffer_store.clone(),
1714                worktree_store.clone(),
1715            )
1716        });
1717        let dap_store = cx.new(|cx| {
1718            DapStore::new_collab(
1719                remote_id,
1720                client.clone().into(),
1721                breakpoint_store.clone(),
1722                worktree_store.clone(),
1723                fs.clone(),
1724                cx,
1725            )
1726        });
1727
1728        let lsp_store = cx.new(|cx| {
1729            LspStore::new_remote(
1730                buffer_store.clone(),
1731                worktree_store.clone(),
1732                languages.clone(),
1733                client.clone().into(),
1734                remote_id,
1735                cx,
1736            )
1737        });
1738
1739        let git_store = cx.new(|cx| {
1740            GitStore::remote(
1741                // In this remote case we pass None for the environment
1742                &worktree_store,
1743                buffer_store.clone(),
1744                client.clone().into(),
1745                remote_id,
1746                cx,
1747            )
1748        });
1749
1750        let task_store = cx.new(|cx| {
1751            if run_tasks {
1752                TaskStore::remote(
1753                    buffer_store.downgrade(),
1754                    worktree_store.clone(),
1755                    Arc::new(EmptyToolchainStore),
1756                    client.clone().into(),
1757                    remote_id,
1758                    git_store.clone(),
1759                    cx,
1760                )
1761            } else {
1762                TaskStore::Noop
1763            }
1764        });
1765
1766        let settings_observer = cx.new(|cx| {
1767            SettingsObserver::new_remote(
1768                fs.clone(),
1769                worktree_store.clone(),
1770                task_store.clone(),
1771                None,
1772                true,
1773                cx,
1774            )
1775        });
1776
1777        let agent_server_store = cx.new(|_cx| AgentServerStore::collab());
1778        let replica_id = ReplicaId::new(response.payload.replica_id as u16);
1779
1780        let project = cx.new(|cx| {
1781            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1782
1783            let weak_self = cx.weak_entity();
1784            let context_server_store = cx.new(|cx| {
1785                ContextServerStore::local(worktree_store.clone(), Some(weak_self), false, cx)
1786            });
1787
1788            let mut worktrees = Vec::new();
1789            for worktree in response.payload.worktrees {
1790                let worktree = Worktree::remote(
1791                    remote_id,
1792                    replica_id,
1793                    worktree,
1794                    client.clone().into(),
1795                    path_style,
1796                    cx,
1797                );
1798                worktrees.push(worktree);
1799            }
1800
1801            let (tx, rx) = mpsc::unbounded();
1802            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1803                .detach();
1804
1805            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1806                .detach();
1807
1808            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1809                .detach();
1810            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1811            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1812                .detach();
1813
1814            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1815
1816            let mut project = Self {
1817                buffer_ordered_messages_tx: tx,
1818                buffer_store: buffer_store.clone(),
1819                image_store,
1820                worktree_store: worktree_store.clone(),
1821                lsp_store: lsp_store.clone(),
1822                context_server_store,
1823                active_entry: None,
1824                collaborators: Default::default(),
1825                join_project_response_message_id: response.message_id,
1826                languages,
1827                user_store: user_store.clone(),
1828                task_store,
1829                snippets,
1830                fs,
1831                remote_client: None,
1832                settings_observer: settings_observer.clone(),
1833                client_subscriptions: Default::default(),
1834                _subscriptions: vec![cx.on_release(Self::release)],
1835                collab_client: client.clone(),
1836                client_state: ProjectClientState::Collab {
1837                    sharing_has_stopped: false,
1838                    capability: Capability::ReadWrite,
1839                    remote_id,
1840                    replica_id,
1841                },
1842                breakpoint_store: breakpoint_store.clone(),
1843                dap_store: dap_store.clone(),
1844                git_store: git_store.clone(),
1845                agent_server_store,
1846                buffers_needing_diff: Default::default(),
1847                git_diff_debouncer: DebouncedDelay::new(),
1848                terminals: Terminals {
1849                    local_handles: Vec::new(),
1850                },
1851                node: None,
1852                search_history: Self::new_search_history(),
1853                search_included_history: Self::new_search_history(),
1854                search_excluded_history: Self::new_search_history(),
1855                environment,
1856                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1857                toolchain_store: None,
1858                agent_location: None,
1859                downloading_files: Default::default(),
1860            };
1861            project.set_role(role, cx);
1862            for worktree in worktrees {
1863                project.add_worktree(&worktree, cx);
1864            }
1865            project
1866        });
1867
1868        let weak_project = project.downgrade();
1869        lsp_store.update(&mut cx, |lsp_store, cx| {
1870            lsp_store.set_language_server_statuses_from_proto(
1871                weak_project,
1872                response.payload.language_servers,
1873                response.payload.language_server_capabilities,
1874                cx,
1875            );
1876        });
1877
1878        let subscriptions = subscriptions
1879            .into_iter()
1880            .map(|s| match s {
1881                EntitySubscription::BufferStore(subscription) => {
1882                    subscription.set_entity(&buffer_store, &cx)
1883                }
1884                EntitySubscription::WorktreeStore(subscription) => {
1885                    subscription.set_entity(&worktree_store, &cx)
1886                }
1887                EntitySubscription::GitStore(subscription) => {
1888                    subscription.set_entity(&git_store, &cx)
1889                }
1890                EntitySubscription::SettingsObserver(subscription) => {
1891                    subscription.set_entity(&settings_observer, &cx)
1892                }
1893                EntitySubscription::Project(subscription) => subscription.set_entity(&project, &cx),
1894                EntitySubscription::LspStore(subscription) => {
1895                    subscription.set_entity(&lsp_store, &cx)
1896                }
1897                EntitySubscription::DapStore(subscription) => {
1898                    subscription.set_entity(&dap_store, &cx)
1899                }
1900                EntitySubscription::BreakpointStore(subscription) => {
1901                    subscription.set_entity(&breakpoint_store, &cx)
1902                }
1903            })
1904            .collect::<Vec<_>>();
1905
1906        let user_ids = response
1907            .payload
1908            .collaborators
1909            .iter()
1910            .map(|peer| peer.user_id)
1911            .collect();
1912        user_store
1913            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))
1914            .await?;
1915
1916        project.update(&mut cx, |this, cx| {
1917            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1918            this.client_subscriptions.extend(subscriptions);
1919            anyhow::Ok(())
1920        })?;
1921
1922        Ok(project)
1923    }
1924
1925    fn new_search_history() -> SearchHistory {
1926        SearchHistory::new(
1927            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1928            search_history::QueryInsertionBehavior::AlwaysInsert,
1929        )
1930    }
1931
1932    fn release(&mut self, cx: &mut App) {
1933        if let Some(client) = self.remote_client.take() {
1934            let shutdown = client.update(cx, |client, cx| {
1935                client.shutdown_processes(
1936                    Some(proto::ShutdownRemoteServer {}),
1937                    cx.background_executor().clone(),
1938                )
1939            });
1940
1941            cx.background_spawn(async move {
1942                if let Some(shutdown) = shutdown {
1943                    shutdown.await;
1944                }
1945            })
1946            .detach()
1947        }
1948
1949        match &self.client_state {
1950            ProjectClientState::Local => {}
1951            ProjectClientState::Shared { .. } => {
1952                let _ = self.unshare_internal(cx);
1953            }
1954            ProjectClientState::Collab { remote_id, .. } => {
1955                let _ = self.collab_client.send(proto::LeaveProject {
1956                    project_id: *remote_id,
1957                });
1958                self.disconnected_from_host_internal(cx);
1959            }
1960        }
1961    }
1962
1963    #[cfg(feature = "test-support")]
1964    pub fn client_subscriptions(&self) -> &Vec<client::Subscription> {
1965        &self.client_subscriptions
1966    }
1967
1968    #[cfg(feature = "test-support")]
1969    pub async fn example(
1970        root_paths: impl IntoIterator<Item = &Path>,
1971        cx: &mut AsyncApp,
1972    ) -> Entity<Project> {
1973        use clock::FakeSystemClock;
1974
1975        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1976        let languages = LanguageRegistry::test(cx.background_executor().clone());
1977        let clock = Arc::new(FakeSystemClock::new());
1978        let http_client = http_client::FakeHttpClient::with_404_response();
1979        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1980        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1981        let project = cx.update(|cx| {
1982            Project::local(
1983                client,
1984                node_runtime::NodeRuntime::unavailable(),
1985                user_store,
1986                Arc::new(languages),
1987                fs,
1988                None,
1989                LocalProjectFlags {
1990                    init_worktree_trust: false,
1991                    ..Default::default()
1992                },
1993                cx,
1994            )
1995        });
1996        for path in root_paths {
1997            let (tree, _): (Entity<Worktree>, _) = project
1998                .update(cx, |project, cx| {
1999                    project.find_or_create_worktree(path, true, cx)
2000                })
2001                .await
2002                .unwrap();
2003            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
2004                .await;
2005        }
2006        project
2007    }
2008
2009    #[cfg(feature = "test-support")]
2010    pub async fn test(
2011        fs: Arc<dyn Fs>,
2012        root_paths: impl IntoIterator<Item = &Path>,
2013        cx: &mut gpui::TestAppContext,
2014    ) -> Entity<Project> {
2015        Self::test_project(fs, root_paths, false, cx).await
2016    }
2017
2018    #[cfg(feature = "test-support")]
2019    pub async fn test_with_worktree_trust(
2020        fs: Arc<dyn Fs>,
2021        root_paths: impl IntoIterator<Item = &Path>,
2022        cx: &mut gpui::TestAppContext,
2023    ) -> Entity<Project> {
2024        Self::test_project(fs, root_paths, true, cx).await
2025    }
2026
2027    #[cfg(feature = "test-support")]
2028    async fn test_project(
2029        fs: Arc<dyn Fs>,
2030        root_paths: impl IntoIterator<Item = &Path>,
2031        init_worktree_trust: bool,
2032        cx: &mut gpui::TestAppContext,
2033    ) -> Entity<Project> {
2034        use clock::FakeSystemClock;
2035
2036        let languages = LanguageRegistry::test(cx.executor());
2037        let clock = Arc::new(FakeSystemClock::new());
2038        let http_client = http_client::FakeHttpClient::with_404_response();
2039        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
2040        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
2041        let project = cx.update(|cx| {
2042            Project::local(
2043                client,
2044                node_runtime::NodeRuntime::unavailable(),
2045                user_store,
2046                Arc::new(languages),
2047                fs,
2048                None,
2049                LocalProjectFlags {
2050                    init_worktree_trust,
2051                    ..Default::default()
2052                },
2053                cx,
2054            )
2055        });
2056        for path in root_paths {
2057            let (tree, _) = project
2058                .update(cx, |project, cx| {
2059                    project.find_or_create_worktree(path, true, cx)
2060                })
2061                .await
2062                .unwrap();
2063
2064            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
2065                .await;
2066        }
2067        project
2068    }
2069
2070    #[inline]
2071    pub fn dap_store(&self) -> Entity<DapStore> {
2072        self.dap_store.clone()
2073    }
2074
2075    #[inline]
2076    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
2077        self.breakpoint_store.clone()
2078    }
2079
2080    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
2081        let active_position = self.breakpoint_store.read(cx).active_position()?;
2082        let session = self
2083            .dap_store
2084            .read(cx)
2085            .session_by_id(active_position.session_id)?;
2086        Some((session, active_position.clone()))
2087    }
2088
2089    #[inline]
2090    pub fn lsp_store(&self) -> Entity<LspStore> {
2091        self.lsp_store.clone()
2092    }
2093
2094    #[inline]
2095    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
2096        self.worktree_store.clone()
2097    }
2098
2099    /// Returns a future that resolves when all visible worktrees have completed
2100    /// their initial scan.
2101    pub fn wait_for_initial_scan(&self, cx: &App) -> impl Future<Output = ()> + use<> {
2102        self.worktree_store.read(cx).wait_for_initial_scan()
2103    }
2104
2105    #[inline]
2106    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
2107        self.context_server_store.clone()
2108    }
2109
2110    #[inline]
2111    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
2112        self.buffer_store.read(cx).get(remote_id)
2113    }
2114
2115    #[inline]
2116    pub fn languages(&self) -> &Arc<LanguageRegistry> {
2117        &self.languages
2118    }
2119
2120    #[inline]
2121    pub fn client(&self) -> Arc<Client> {
2122        self.collab_client.clone()
2123    }
2124
2125    #[inline]
2126    pub fn remote_client(&self) -> Option<Entity<RemoteClient>> {
2127        self.remote_client.clone()
2128    }
2129
2130    #[inline]
2131    pub fn user_store(&self) -> Entity<UserStore> {
2132        self.user_store.clone()
2133    }
2134
2135    #[inline]
2136    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
2137        self.node.as_ref()
2138    }
2139
2140    #[inline]
2141    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
2142        self.buffer_store.read(cx).buffers().collect()
2143    }
2144
2145    #[inline]
2146    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
2147        &self.environment
2148    }
2149
2150    #[inline]
2151    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
2152        self.environment.read(cx).get_cli_environment()
2153    }
2154
2155    #[inline]
2156    pub fn peek_environment_error<'a>(&'a self, cx: &'a App) -> Option<&'a String> {
2157        self.environment.read(cx).peek_environment_error()
2158    }
2159
2160    #[inline]
2161    pub fn pop_environment_error(&mut self, cx: &mut Context<Self>) {
2162        self.environment.update(cx, |environment, _| {
2163            environment.pop_environment_error();
2164        });
2165    }
2166
2167    #[cfg(feature = "test-support")]
2168    #[inline]
2169    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
2170        self.buffer_store
2171            .read(cx)
2172            .get_by_path(&path.into())
2173            .is_some()
2174    }
2175
2176    #[inline]
2177    pub fn fs(&self) -> &Arc<dyn Fs> {
2178        &self.fs
2179    }
2180
2181    #[inline]
2182    pub fn remote_id(&self) -> Option<u64> {
2183        match self.client_state {
2184            ProjectClientState::Local => None,
2185            ProjectClientState::Shared { remote_id, .. }
2186            | ProjectClientState::Collab { remote_id, .. } => Some(remote_id),
2187        }
2188    }
2189
2190    #[inline]
2191    pub fn supports_terminal(&self, _cx: &App) -> bool {
2192        if self.is_local() {
2193            return true;
2194        }
2195        if self.is_via_remote_server() {
2196            return true;
2197        }
2198
2199        false
2200    }
2201
2202    #[inline]
2203    pub fn remote_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
2204        self.remote_client
2205            .as_ref()
2206            .map(|remote| remote.read(cx).connection_state())
2207    }
2208
2209    #[inline]
2210    pub fn remote_connection_options(&self, cx: &App) -> Option<RemoteConnectionOptions> {
2211        self.remote_client
2212            .as_ref()
2213            .map(|remote| remote.read(cx).connection_options())
2214    }
2215
2216    /// Reveals the given path in the system file manager.
2217    ///
2218    /// On Windows with a WSL remote connection, this converts the POSIX path
2219    /// to a Windows UNC path before revealing.
2220    pub fn reveal_path(&self, path: &Path, cx: &mut Context<Self>) {
2221        #[cfg(target_os = "windows")]
2222        if let Some(RemoteConnectionOptions::Wsl(wsl_options)) = self.remote_connection_options(cx)
2223        {
2224            let path = path.to_path_buf();
2225            cx.spawn(async move |_, cx| {
2226                wsl_path_to_windows_path(&wsl_options, &path)
2227                    .await
2228                    .map(|windows_path| cx.update(|cx| cx.reveal_path(&windows_path)))
2229            })
2230            .detach_and_log_err(cx);
2231            return;
2232        }
2233
2234        cx.reveal_path(path);
2235    }
2236
2237    #[inline]
2238    pub fn replica_id(&self) -> ReplicaId {
2239        match self.client_state {
2240            ProjectClientState::Collab { replica_id, .. } => replica_id,
2241            _ => {
2242                if self.remote_client.is_some() {
2243                    ReplicaId::REMOTE_SERVER
2244                } else {
2245                    ReplicaId::LOCAL
2246                }
2247            }
2248        }
2249    }
2250
2251    #[inline]
2252    pub fn task_store(&self) -> &Entity<TaskStore> {
2253        &self.task_store
2254    }
2255
2256    #[inline]
2257    pub fn snippets(&self) -> &Entity<SnippetProvider> {
2258        &self.snippets
2259    }
2260
2261    #[inline]
2262    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
2263        match kind {
2264            SearchInputKind::Query => &self.search_history,
2265            SearchInputKind::Include => &self.search_included_history,
2266            SearchInputKind::Exclude => &self.search_excluded_history,
2267        }
2268    }
2269
2270    #[inline]
2271    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
2272        match kind {
2273            SearchInputKind::Query => &mut self.search_history,
2274            SearchInputKind::Include => &mut self.search_included_history,
2275            SearchInputKind::Exclude => &mut self.search_excluded_history,
2276        }
2277    }
2278
2279    #[inline]
2280    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
2281        &self.collaborators
2282    }
2283
2284    #[inline]
2285    pub fn host(&self) -> Option<&Collaborator> {
2286        self.collaborators.values().find(|c| c.is_host)
2287    }
2288
2289    #[inline]
2290    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
2291        self.worktree_store.update(cx, |store, _| {
2292            store.set_worktrees_reordered(worktrees_reordered);
2293        });
2294    }
2295
2296    /// Collect all worktrees, including ones that don't appear in the project panel
2297    #[inline]
2298    pub fn worktrees<'a>(
2299        &self,
2300        cx: &'a App,
2301    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2302        self.worktree_store.read(cx).worktrees()
2303    }
2304
2305    /// Collect all user-visible worktrees, the ones that appear in the project panel.
2306    #[inline]
2307    pub fn visible_worktrees<'a>(
2308        &'a self,
2309        cx: &'a App,
2310    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2311        self.worktree_store.read(cx).visible_worktrees(cx)
2312    }
2313
2314    pub(crate) fn default_visible_worktree_paths(
2315        worktree_store: &WorktreeStore,
2316        cx: &App,
2317    ) -> Vec<PathBuf> {
2318        worktree_store
2319            .visible_worktrees(cx)
2320            .sorted_by(|left, right| {
2321                left.read(cx)
2322                    .is_single_file()
2323                    .cmp(&right.read(cx).is_single_file())
2324            })
2325            .filter_map(|worktree| {
2326                let worktree = worktree.read(cx);
2327                let path = worktree.abs_path();
2328                if worktree.is_single_file() {
2329                    Some(path.parent()?.to_path_buf())
2330                } else {
2331                    Some(path.to_path_buf())
2332                }
2333            })
2334            .collect()
2335    }
2336
2337    pub fn default_path_list(&self, cx: &App) -> PathList {
2338        let worktree_roots =
2339            Self::default_visible_worktree_paths(&self.worktree_store.read(cx), cx);
2340
2341        if worktree_roots.is_empty() {
2342            PathList::new(&[paths::home_dir().as_path()])
2343        } else {
2344            PathList::new(&worktree_roots)
2345        }
2346    }
2347
2348    #[inline]
2349    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
2350        self.visible_worktrees(cx)
2351            .find(|tree| tree.read(cx).root_name() == root_name)
2352    }
2353
2354    pub fn project_group_key(&self, cx: &App) -> ProjectGroupKey {
2355        let roots = self
2356            .visible_worktrees(cx)
2357            .map(|worktree| {
2358                let snapshot = worktree.read(cx).snapshot();
2359                snapshot
2360                    .root_repo_common_dir()
2361                    .and_then(|dir| Some(dir.parent()?.to_path_buf()))
2362                    .unwrap_or(snapshot.abs_path().to_path_buf())
2363            })
2364            .collect::<Vec<_>>();
2365        let host = self.remote_connection_options(cx);
2366        let path_list = PathList::new(&roots);
2367        ProjectGroupKey::new(host, path_list)
2368    }
2369
2370    #[inline]
2371    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2372        self.visible_worktrees(cx)
2373            .map(|tree| tree.read(cx).root_name().as_unix_str())
2374    }
2375
2376    #[inline]
2377    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2378        self.worktree_store.read(cx).worktree_for_id(id, cx)
2379    }
2380
2381    pub fn worktree_for_entry(
2382        &self,
2383        entry_id: ProjectEntryId,
2384        cx: &App,
2385    ) -> Option<Entity<Worktree>> {
2386        self.worktree_store
2387            .read(cx)
2388            .worktree_for_entry(entry_id, cx)
2389    }
2390
2391    #[inline]
2392    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2393        self.worktree_for_entry(entry_id, cx)
2394            .map(|worktree| worktree.read(cx).id())
2395    }
2396
2397    /// Checks if the entry is the root of a worktree.
2398    #[inline]
2399    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2400        self.worktree_for_entry(entry_id, cx)
2401            .map(|worktree| {
2402                worktree
2403                    .read(cx)
2404                    .root_entry()
2405                    .is_some_and(|e| e.id == entry_id)
2406            })
2407            .unwrap_or(false)
2408    }
2409
2410    #[inline]
2411    pub fn project_path_git_status(
2412        &self,
2413        project_path: &ProjectPath,
2414        cx: &App,
2415    ) -> Option<FileStatus> {
2416        self.git_store
2417            .read(cx)
2418            .project_path_git_status(project_path, cx)
2419    }
2420
2421    #[inline]
2422    pub fn visibility_for_paths(
2423        &self,
2424        paths: &[PathBuf],
2425        exclude_sub_dirs: bool,
2426        cx: &App,
2427    ) -> Option<bool> {
2428        paths
2429            .iter()
2430            .map(|path| self.visibility_for_path(path, exclude_sub_dirs, cx))
2431            .max()
2432            .flatten()
2433    }
2434
2435    pub fn visibility_for_path(
2436        &self,
2437        path: &Path,
2438        exclude_sub_dirs: bool,
2439        cx: &App,
2440    ) -> Option<bool> {
2441        let path = SanitizedPath::new(path).as_path();
2442        let path_style = self.path_style(cx);
2443        self.worktrees(cx)
2444            .filter_map(|worktree| {
2445                let worktree = worktree.read(cx);
2446                let abs_path = worktree.abs_path();
2447                let relative_path = path_style.strip_prefix(path, abs_path.as_ref());
2448                let is_dir = relative_path
2449                    .as_ref()
2450                    .and_then(|p| worktree.entry_for_path(p))
2451                    .is_some_and(|e| e.is_dir());
2452                // Don't exclude the worktree root itself, only actual subdirectories
2453                let is_subdir = relative_path
2454                    .as_ref()
2455                    .is_some_and(|p| !p.as_ref().as_unix_str().is_empty());
2456                let contains =
2457                    relative_path.is_some() && (!exclude_sub_dirs || !is_dir || !is_subdir);
2458                contains.then(|| worktree.is_visible())
2459            })
2460            .max()
2461    }
2462
2463    pub fn create_entry(
2464        &mut self,
2465        project_path: impl Into<ProjectPath>,
2466        is_directory: bool,
2467        cx: &mut Context<Self>,
2468    ) -> Task<Result<CreatedEntry>> {
2469        let project_path = project_path.into();
2470        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2471            return Task::ready(Err(anyhow!(format!(
2472                "No worktree for path {project_path:?}"
2473            ))));
2474        };
2475        worktree.update(cx, |worktree, cx| {
2476            worktree.create_entry(project_path.path, is_directory, None, cx)
2477        })
2478    }
2479
2480    #[inline]
2481    pub fn copy_entry(
2482        &mut self,
2483        entry_id: ProjectEntryId,
2484        new_project_path: ProjectPath,
2485        cx: &mut Context<Self>,
2486    ) -> Task<Result<Option<Entry>>> {
2487        self.worktree_store.update(cx, |worktree_store, cx| {
2488            worktree_store.copy_entry(entry_id, new_project_path, cx)
2489        })
2490    }
2491
2492    /// Renames the project entry with given `entry_id`.
2493    ///
2494    /// `new_path` is a relative path to worktree root.
2495    /// If root entry is renamed then its new root name is used instead.
2496    pub fn rename_entry(
2497        &mut self,
2498        entry_id: ProjectEntryId,
2499        new_path: ProjectPath,
2500        cx: &mut Context<Self>,
2501    ) -> Task<Result<CreatedEntry>> {
2502        let worktree_store = self.worktree_store.clone();
2503        let Some((worktree, old_path, is_dir)) = worktree_store
2504            .read(cx)
2505            .worktree_and_entry_for_id(entry_id, cx)
2506            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2507        else {
2508            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2509        };
2510
2511        let worktree_id = worktree.read(cx).id();
2512        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2513
2514        let lsp_store = self.lsp_store().downgrade();
2515        cx.spawn(async move |project, cx| {
2516            let (old_abs_path, new_abs_path) = {
2517                let root_path = worktree.read_with(cx, |this, _| this.abs_path());
2518                let new_abs_path = if is_root_entry {
2519                    root_path
2520                        .parent()
2521                        .unwrap()
2522                        .join(new_path.path.as_std_path())
2523                } else {
2524                    root_path.join(&new_path.path.as_std_path())
2525                };
2526                (root_path.join(old_path.as_std_path()), new_abs_path)
2527            };
2528            let transaction = LspStore::will_rename_entry(
2529                lsp_store.clone(),
2530                worktree_id,
2531                &old_abs_path,
2532                &new_abs_path,
2533                is_dir,
2534                cx.clone(),
2535            )
2536            .await;
2537
2538            let entry = worktree_store
2539                .update(cx, |worktree_store, cx| {
2540                    worktree_store.rename_entry(entry_id, new_path.clone(), cx)
2541                })
2542                .await?;
2543
2544            project
2545                .update(cx, |_, cx| {
2546                    cx.emit(Event::EntryRenamed(
2547                        transaction,
2548                        new_path.clone(),
2549                        new_abs_path.clone(),
2550                    ));
2551                })
2552                .ok();
2553
2554            lsp_store
2555                .read_with(cx, |this, _| {
2556                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2557                })
2558                .ok();
2559            Ok(entry)
2560        })
2561    }
2562
2563    #[inline]
2564    pub fn delete_file(
2565        &mut self,
2566        path: ProjectPath,
2567        trash: bool,
2568        cx: &mut Context<Self>,
2569    ) -> Option<Task<Result<()>>> {
2570        let entry = self.entry_for_path(&path, cx)?;
2571        self.delete_entry(entry.id, trash, cx)
2572    }
2573
2574    #[inline]
2575    pub fn delete_entry(
2576        &mut self,
2577        entry_id: ProjectEntryId,
2578        trash: bool,
2579        cx: &mut Context<Self>,
2580    ) -> Option<Task<Result<()>>> {
2581        let worktree = self.worktree_for_entry(entry_id, cx)?;
2582        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2583        worktree.update(cx, |worktree, cx| {
2584            worktree.delete_entry(entry_id, trash, cx)
2585        })
2586    }
2587
2588    #[inline]
2589    pub fn expand_entry(
2590        &mut self,
2591        worktree_id: WorktreeId,
2592        entry_id: ProjectEntryId,
2593        cx: &mut Context<Self>,
2594    ) -> Option<Task<Result<()>>> {
2595        let worktree = self.worktree_for_id(worktree_id, cx)?;
2596        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2597    }
2598
2599    pub fn expand_all_for_entry(
2600        &mut self,
2601        worktree_id: WorktreeId,
2602        entry_id: ProjectEntryId,
2603        cx: &mut Context<Self>,
2604    ) -> Option<Task<Result<()>>> {
2605        let worktree = self.worktree_for_id(worktree_id, cx)?;
2606        let task = worktree.update(cx, |worktree, cx| {
2607            worktree.expand_all_for_entry(entry_id, cx)
2608        });
2609        Some(cx.spawn(async move |this, cx| {
2610            task.context("no task")?.await?;
2611            this.update(cx, |_, cx| {
2612                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2613            })?;
2614            Ok(())
2615        }))
2616    }
2617
2618    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2619        anyhow::ensure!(
2620            matches!(self.client_state, ProjectClientState::Local),
2621            "project was already shared"
2622        );
2623
2624        self.client_subscriptions.extend([
2625            self.collab_client
2626                .subscribe_to_entity(project_id)?
2627                .set_entity(&cx.entity(), &cx.to_async()),
2628            self.collab_client
2629                .subscribe_to_entity(project_id)?
2630                .set_entity(&self.worktree_store, &cx.to_async()),
2631            self.collab_client
2632                .subscribe_to_entity(project_id)?
2633                .set_entity(&self.buffer_store, &cx.to_async()),
2634            self.collab_client
2635                .subscribe_to_entity(project_id)?
2636                .set_entity(&self.lsp_store, &cx.to_async()),
2637            self.collab_client
2638                .subscribe_to_entity(project_id)?
2639                .set_entity(&self.settings_observer, &cx.to_async()),
2640            self.collab_client
2641                .subscribe_to_entity(project_id)?
2642                .set_entity(&self.dap_store, &cx.to_async()),
2643            self.collab_client
2644                .subscribe_to_entity(project_id)?
2645                .set_entity(&self.breakpoint_store, &cx.to_async()),
2646            self.collab_client
2647                .subscribe_to_entity(project_id)?
2648                .set_entity(&self.git_store, &cx.to_async()),
2649        ]);
2650
2651        self.buffer_store.update(cx, |buffer_store, cx| {
2652            buffer_store.shared(project_id, self.collab_client.clone().into(), cx)
2653        });
2654        self.worktree_store.update(cx, |worktree_store, cx| {
2655            worktree_store.shared(project_id, self.collab_client.clone().into(), cx);
2656        });
2657        self.lsp_store.update(cx, |lsp_store, cx| {
2658            lsp_store.shared(project_id, self.collab_client.clone().into(), cx)
2659        });
2660        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2661            breakpoint_store.shared(project_id, self.collab_client.clone().into())
2662        });
2663        self.dap_store.update(cx, |dap_store, cx| {
2664            dap_store.shared(project_id, self.collab_client.clone().into(), cx);
2665        });
2666        self.task_store.update(cx, |task_store, cx| {
2667            task_store.shared(project_id, self.collab_client.clone().into(), cx);
2668        });
2669        self.settings_observer.update(cx, |settings_observer, cx| {
2670            settings_observer.shared(project_id, self.collab_client.clone().into(), cx)
2671        });
2672        self.git_store.update(cx, |git_store, cx| {
2673            git_store.shared(project_id, self.collab_client.clone().into(), cx)
2674        });
2675
2676        self.client_state = ProjectClientState::Shared {
2677            remote_id: project_id,
2678        };
2679
2680        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2681        Ok(())
2682    }
2683
2684    pub fn reshared(
2685        &mut self,
2686        message: proto::ResharedProject,
2687        cx: &mut Context<Self>,
2688    ) -> Result<()> {
2689        self.buffer_store
2690            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2691        self.set_collaborators_from_proto(message.collaborators, cx)?;
2692
2693        self.worktree_store.update(cx, |worktree_store, cx| {
2694            worktree_store.send_project_updates(cx);
2695        });
2696        if let Some(remote_id) = self.remote_id() {
2697            self.git_store.update(cx, |git_store, cx| {
2698                git_store.shared(remote_id, self.collab_client.clone().into(), cx)
2699            });
2700        }
2701        cx.emit(Event::Reshared);
2702        Ok(())
2703    }
2704
2705    pub fn rejoined(
2706        &mut self,
2707        message: proto::RejoinedProject,
2708        message_id: u32,
2709        cx: &mut Context<Self>,
2710    ) -> Result<()> {
2711        cx.update_global::<SettingsStore, _>(|store, cx| {
2712            for worktree_metadata in &message.worktrees {
2713                store
2714                    .clear_local_settings(WorktreeId::from_proto(worktree_metadata.id), cx)
2715                    .log_err();
2716            }
2717        });
2718
2719        self.join_project_response_message_id = message_id;
2720        self.set_worktrees_from_proto(message.worktrees, cx)?;
2721        self.set_collaborators_from_proto(message.collaborators, cx)?;
2722
2723        let project = cx.weak_entity();
2724        self.lsp_store.update(cx, |lsp_store, cx| {
2725            lsp_store.set_language_server_statuses_from_proto(
2726                project,
2727                message.language_servers,
2728                message.language_server_capabilities,
2729                cx,
2730            )
2731        });
2732        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2733            .unwrap();
2734        cx.emit(Event::Rejoined);
2735        Ok(())
2736    }
2737
2738    #[inline]
2739    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2740        self.unshare_internal(cx)?;
2741        cx.emit(Event::RemoteIdChanged(None));
2742        Ok(())
2743    }
2744
2745    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2746        anyhow::ensure!(
2747            !self.is_via_collab(),
2748            "attempted to unshare a remote project"
2749        );
2750
2751        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2752            self.client_state = ProjectClientState::Local;
2753            self.collaborators.clear();
2754            self.client_subscriptions.clear();
2755            self.worktree_store.update(cx, |store, cx| {
2756                store.unshared(cx);
2757            });
2758            self.buffer_store.update(cx, |buffer_store, cx| {
2759                buffer_store.forget_shared_buffers();
2760                buffer_store.unshared(cx)
2761            });
2762            self.task_store.update(cx, |task_store, cx| {
2763                task_store.unshared(cx);
2764            });
2765            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2766                breakpoint_store.unshared(cx);
2767            });
2768            self.dap_store.update(cx, |dap_store, cx| {
2769                dap_store.unshared(cx);
2770            });
2771            self.settings_observer.update(cx, |settings_observer, cx| {
2772                settings_observer.unshared(cx);
2773            });
2774            self.git_store.update(cx, |git_store, cx| {
2775                git_store.unshared(cx);
2776            });
2777
2778            self.collab_client
2779                .send(proto::UnshareProject {
2780                    project_id: remote_id,
2781                })
2782                .ok();
2783            Ok(())
2784        } else {
2785            anyhow::bail!("attempted to unshare an unshared project");
2786        }
2787    }
2788
2789    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2790        if self.is_disconnected(cx) {
2791            return;
2792        }
2793        self.disconnected_from_host_internal(cx);
2794        cx.emit(Event::DisconnectedFromHost);
2795    }
2796
2797    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2798        let new_capability =
2799            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2800                Capability::ReadWrite
2801            } else {
2802                Capability::ReadOnly
2803            };
2804        if let ProjectClientState::Collab { capability, .. } = &mut self.client_state {
2805            if *capability == new_capability {
2806                return;
2807            }
2808
2809            *capability = new_capability;
2810            for buffer in self.opened_buffers(cx) {
2811                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2812            }
2813        }
2814    }
2815
2816    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2817        if let ProjectClientState::Collab {
2818            sharing_has_stopped,
2819            ..
2820        } = &mut self.client_state
2821        {
2822            *sharing_has_stopped = true;
2823            self.client_subscriptions.clear();
2824            self.collaborators.clear();
2825            self.worktree_store.update(cx, |store, cx| {
2826                store.disconnected_from_host(cx);
2827            });
2828            self.buffer_store.update(cx, |buffer_store, cx| {
2829                buffer_store.disconnected_from_host(cx)
2830            });
2831            self.lsp_store
2832                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2833        }
2834    }
2835
2836    #[inline]
2837    pub fn close(&mut self, cx: &mut Context<Self>) {
2838        cx.emit(Event::Closed);
2839    }
2840
2841    #[inline]
2842    pub fn is_disconnected(&self, cx: &App) -> bool {
2843        match &self.client_state {
2844            ProjectClientState::Collab {
2845                sharing_has_stopped,
2846                ..
2847            } => *sharing_has_stopped,
2848            ProjectClientState::Local if self.is_via_remote_server() => {
2849                self.remote_client_is_disconnected(cx)
2850            }
2851            _ => false,
2852        }
2853    }
2854
2855    #[inline]
2856    fn remote_client_is_disconnected(&self, cx: &App) -> bool {
2857        self.remote_client
2858            .as_ref()
2859            .map(|remote| remote.read(cx).is_disconnected())
2860            .unwrap_or(false)
2861    }
2862
2863    #[inline]
2864    pub fn capability(&self) -> Capability {
2865        match &self.client_state {
2866            ProjectClientState::Collab { capability, .. } => *capability,
2867            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2868        }
2869    }
2870
2871    #[inline]
2872    pub fn is_read_only(&self, cx: &App) -> bool {
2873        self.is_disconnected(cx) || !self.capability().editable()
2874    }
2875
2876    #[inline]
2877    pub fn is_local(&self) -> bool {
2878        match &self.client_state {
2879            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2880                self.remote_client.is_none()
2881            }
2882            ProjectClientState::Collab { .. } => false,
2883        }
2884    }
2885
2886    /// Whether this project is a remote server (not counting collab).
2887    #[inline]
2888    pub fn is_via_remote_server(&self) -> bool {
2889        match &self.client_state {
2890            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2891                self.remote_client.is_some()
2892            }
2893            ProjectClientState::Collab { .. } => false,
2894        }
2895    }
2896
2897    /// Whether this project is from collab (not counting remote servers).
2898    #[inline]
2899    pub fn is_via_collab(&self) -> bool {
2900        match &self.client_state {
2901            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2902            ProjectClientState::Collab { .. } => true,
2903        }
2904    }
2905
2906    /// `!self.is_local()`
2907    #[inline]
2908    pub fn is_remote(&self) -> bool {
2909        debug_assert_eq!(
2910            !self.is_local(),
2911            self.is_via_collab() || self.is_via_remote_server()
2912        );
2913        !self.is_local()
2914    }
2915
2916    #[inline]
2917    pub fn is_via_wsl_with_host_interop(&self, cx: &App) -> bool {
2918        match &self.client_state {
2919            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2920                matches!(
2921                    &self.remote_client, Some(remote_client)
2922                    if remote_client.read(cx).has_wsl_interop()
2923                )
2924            }
2925            _ => false,
2926        }
2927    }
2928
2929    pub fn disable_worktree_scanner(&mut self, cx: &mut Context<Self>) {
2930        self.worktree_store.update(cx, |worktree_store, _cx| {
2931            worktree_store.disable_scanner();
2932        });
2933    }
2934
2935    #[inline]
2936    pub fn create_buffer(
2937        &mut self,
2938        language: Option<Arc<Language>>,
2939        project_searchable: bool,
2940        cx: &mut Context<Self>,
2941    ) -> Task<Result<Entity<Buffer>>> {
2942        self.buffer_store.update(cx, |buffer_store, cx| {
2943            buffer_store.create_buffer(language, project_searchable, cx)
2944        })
2945    }
2946
2947    #[inline]
2948    pub fn create_local_buffer(
2949        &mut self,
2950        text: &str,
2951        language: Option<Arc<Language>>,
2952        project_searchable: bool,
2953        cx: &mut Context<Self>,
2954    ) -> Entity<Buffer> {
2955        if self.is_remote() {
2956            panic!("called create_local_buffer on a remote project")
2957        }
2958        self.buffer_store.update(cx, |buffer_store, cx| {
2959            buffer_store.create_local_buffer(text, language, project_searchable, cx)
2960        })
2961    }
2962
2963    pub fn open_path(
2964        &mut self,
2965        path: ProjectPath,
2966        cx: &mut Context<Self>,
2967    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2968        let task = self.open_buffer(path, cx);
2969        cx.spawn(async move |_project, cx| {
2970            let buffer = task.await?;
2971            let project_entry_id = buffer.read_with(cx, |buffer, _cx| {
2972                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id())
2973            });
2974
2975            Ok((project_entry_id, buffer))
2976        })
2977    }
2978
2979    pub fn open_local_buffer(
2980        &mut self,
2981        abs_path: impl AsRef<Path>,
2982        cx: &mut Context<Self>,
2983    ) -> Task<Result<Entity<Buffer>>> {
2984        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2985        cx.spawn(async move |this, cx| {
2986            let (worktree, relative_path) = worktree_task.await?;
2987            this.update(cx, |this, cx| {
2988                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2989            })?
2990            .await
2991        })
2992    }
2993
2994    #[cfg(feature = "test-support")]
2995    pub fn open_local_buffer_with_lsp(
2996        &mut self,
2997        abs_path: impl AsRef<Path>,
2998        cx: &mut Context<Self>,
2999    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
3000        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
3001            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
3002        } else {
3003            Task::ready(Err(anyhow!("no such path")))
3004        }
3005    }
3006
3007    pub fn download_file(
3008        &mut self,
3009        worktree_id: WorktreeId,
3010        path: Arc<RelPath>,
3011        destination_path: PathBuf,
3012        cx: &mut Context<Self>,
3013    ) -> Task<Result<()>> {
3014        log::debug!(
3015            "download_file called: worktree_id={:?}, path={:?}, destination={:?}",
3016            worktree_id,
3017            path,
3018            destination_path
3019        );
3020
3021        let Some(remote_client) = &self.remote_client else {
3022            log::error!("download_file: not a remote project");
3023            return Task::ready(Err(anyhow!("not a remote project")));
3024        };
3025
3026        let proto_client = remote_client.read(cx).proto_client();
3027        // For SSH remote projects, use REMOTE_SERVER_PROJECT_ID instead of remote_id()
3028        // because SSH projects have client_state: Local but still need to communicate with remote server
3029        let project_id = self.remote_id().unwrap_or(REMOTE_SERVER_PROJECT_ID);
3030        let downloading_files = self.downloading_files.clone();
3031        let path_str = path.to_proto();
3032
3033        static NEXT_FILE_ID: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(1);
3034        let file_id = NEXT_FILE_ID.fetch_add(1, std::sync::atomic::Ordering::SeqCst);
3035
3036        // Register BEFORE sending request to avoid race condition
3037        let key = (worktree_id, path_str.clone());
3038        log::debug!(
3039            "download_file: pre-registering download with key={:?}, file_id={}",
3040            key,
3041            file_id
3042        );
3043        downloading_files.lock().insert(
3044            key,
3045            DownloadingFile {
3046                destination_path: destination_path,
3047                chunks: Vec::new(),
3048                total_size: 0,
3049                file_id: Some(file_id),
3050            },
3051        );
3052        log::debug!(
3053            "download_file: sending DownloadFileByPath request, path_str={}",
3054            path_str
3055        );
3056
3057        cx.spawn(async move |_this, _cx| {
3058            log::debug!("download_file: sending request with file_id={}...", file_id);
3059            let response = proto_client
3060                .request(proto::DownloadFileByPath {
3061                    project_id,
3062                    worktree_id: worktree_id.to_proto(),
3063                    path: path_str.clone(),
3064                    file_id,
3065                })
3066                .await?;
3067
3068            log::debug!("download_file: got response, file_id={}", response.file_id);
3069            // The file_id is set from the State message, we just confirm the request succeeded
3070            Ok(())
3071        })
3072    }
3073
3074    #[ztracing::instrument(skip_all)]
3075    pub fn open_buffer(
3076        &mut self,
3077        path: impl Into<ProjectPath>,
3078        cx: &mut App,
3079    ) -> Task<Result<Entity<Buffer>>> {
3080        if self.is_disconnected(cx) {
3081            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3082        }
3083
3084        self.buffer_store.update(cx, |buffer_store, cx| {
3085            buffer_store.open_buffer(path.into(), cx)
3086        })
3087    }
3088
3089    #[cfg(feature = "test-support")]
3090    pub fn open_buffer_with_lsp(
3091        &mut self,
3092        path: impl Into<ProjectPath>,
3093        cx: &mut Context<Self>,
3094    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
3095        let buffer = self.open_buffer(path, cx);
3096        cx.spawn(async move |this, cx| {
3097            let buffer = buffer.await?;
3098            let handle = this.update(cx, |project, cx| {
3099                project.register_buffer_with_language_servers(&buffer, cx)
3100            })?;
3101            Ok((buffer, handle))
3102        })
3103    }
3104
3105    pub fn register_buffer_with_language_servers(
3106        &self,
3107        buffer: &Entity<Buffer>,
3108        cx: &mut App,
3109    ) -> OpenLspBufferHandle {
3110        self.lsp_store.update(cx, |lsp_store, cx| {
3111            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
3112        })
3113    }
3114
3115    pub fn open_unstaged_diff(
3116        &mut self,
3117        buffer: Entity<Buffer>,
3118        cx: &mut Context<Self>,
3119    ) -> Task<Result<Entity<BufferDiff>>> {
3120        if self.is_disconnected(cx) {
3121            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3122        }
3123        self.git_store
3124            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
3125    }
3126
3127    #[ztracing::instrument(skip_all)]
3128    pub fn open_uncommitted_diff(
3129        &mut self,
3130        buffer: Entity<Buffer>,
3131        cx: &mut Context<Self>,
3132    ) -> Task<Result<Entity<BufferDiff>>> {
3133        if self.is_disconnected(cx) {
3134            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3135        }
3136        self.git_store.update(cx, |git_store, cx| {
3137            git_store.open_uncommitted_diff(buffer, cx)
3138        })
3139    }
3140
3141    pub fn open_buffer_by_id(
3142        &mut self,
3143        id: BufferId,
3144        cx: &mut Context<Self>,
3145    ) -> Task<Result<Entity<Buffer>>> {
3146        if let Some(buffer) = self.buffer_for_id(id, cx) {
3147            Task::ready(Ok(buffer))
3148        } else if self.is_local() || self.is_via_remote_server() {
3149            Task::ready(Err(anyhow!("buffer {id} does not exist")))
3150        } else if let Some(project_id) = self.remote_id() {
3151            let request = self.collab_client.request(proto::OpenBufferById {
3152                project_id,
3153                id: id.into(),
3154            });
3155            cx.spawn(async move |project, cx| {
3156                let buffer_id = BufferId::new(request.await?.buffer_id)?;
3157                project
3158                    .update(cx, |project, cx| {
3159                        project.buffer_store.update(cx, |buffer_store, cx| {
3160                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
3161                        })
3162                    })?
3163                    .await
3164            })
3165        } else {
3166            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
3167        }
3168    }
3169
3170    pub fn save_buffers(
3171        &self,
3172        buffers: HashSet<Entity<Buffer>>,
3173        cx: &mut Context<Self>,
3174    ) -> Task<Result<()>> {
3175        cx.spawn(async move |this, cx| {
3176            let save_tasks = buffers.into_iter().filter_map(|buffer| {
3177                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
3178                    .ok()
3179            });
3180            try_join_all(save_tasks).await?;
3181            Ok(())
3182        })
3183    }
3184
3185    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
3186        self.buffer_store
3187            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
3188    }
3189
3190    pub fn save_buffer_as(
3191        &mut self,
3192        buffer: Entity<Buffer>,
3193        path: ProjectPath,
3194        cx: &mut Context<Self>,
3195    ) -> Task<Result<()>> {
3196        self.buffer_store.update(cx, |buffer_store, cx| {
3197            buffer_store.save_buffer_as(buffer.clone(), path, cx)
3198        })
3199    }
3200
3201    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
3202        self.buffer_store.read(cx).get_by_path(path)
3203    }
3204
3205    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
3206        {
3207            let mut remotely_created_models = self.remotely_created_models.lock();
3208            if remotely_created_models.retain_count > 0 {
3209                remotely_created_models.buffers.push(buffer.clone())
3210            }
3211        }
3212
3213        self.request_buffer_diff_recalculation(buffer, cx);
3214
3215        cx.subscribe(buffer, |this, buffer, event, cx| {
3216            this.on_buffer_event(buffer, event, cx);
3217        })
3218        .detach();
3219
3220        Ok(())
3221    }
3222
3223    pub fn open_image(
3224        &mut self,
3225        path: impl Into<ProjectPath>,
3226        cx: &mut Context<Self>,
3227    ) -> Task<Result<Entity<ImageItem>>> {
3228        if self.is_disconnected(cx) {
3229            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3230        }
3231
3232        let open_image_task = self.image_store.update(cx, |image_store, cx| {
3233            image_store.open_image(path.into(), cx)
3234        });
3235
3236        let weak_project = cx.entity().downgrade();
3237        cx.spawn(async move |_, cx| {
3238            let image_item = open_image_task.await?;
3239
3240            // Check if metadata already exists (e.g., for remote images)
3241            let needs_metadata =
3242                cx.read_entity(&image_item, |item, _| item.image_metadata.is_none());
3243
3244            if needs_metadata {
3245                let project = weak_project.upgrade().context("Project dropped")?;
3246                let metadata =
3247                    ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
3248                image_item.update(cx, |image_item, cx| {
3249                    image_item.image_metadata = Some(metadata);
3250                    cx.emit(ImageItemEvent::MetadataUpdated);
3251                });
3252            }
3253
3254            Ok(image_item)
3255        })
3256    }
3257
3258    async fn send_buffer_ordered_messages(
3259        project: WeakEntity<Self>,
3260        rx: UnboundedReceiver<BufferOrderedMessage>,
3261        cx: &mut AsyncApp,
3262    ) -> Result<()> {
3263        const MAX_BATCH_SIZE: usize = 128;
3264
3265        let mut operations_by_buffer_id = HashMap::default();
3266        async fn flush_operations(
3267            this: &WeakEntity<Project>,
3268            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
3269            needs_resync_with_host: &mut bool,
3270            is_local: bool,
3271            cx: &mut AsyncApp,
3272        ) -> Result<()> {
3273            for (buffer_id, operations) in operations_by_buffer_id.drain() {
3274                let request = this.read_with(cx, |this, _| {
3275                    let project_id = this.remote_id()?;
3276                    Some(this.collab_client.request(proto::UpdateBuffer {
3277                        buffer_id: buffer_id.into(),
3278                        project_id,
3279                        operations,
3280                    }))
3281                })?;
3282                if let Some(request) = request
3283                    && request.await.is_err()
3284                    && !is_local
3285                {
3286                    *needs_resync_with_host = true;
3287                    break;
3288                }
3289            }
3290            Ok(())
3291        }
3292
3293        let mut needs_resync_with_host = false;
3294        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
3295
3296        while let Some(changes) = changes.next().await {
3297            let is_local = project.read_with(cx, |this, _| this.is_local())?;
3298
3299            for change in changes {
3300                match change {
3301                    BufferOrderedMessage::Operation {
3302                        buffer_id,
3303                        operation,
3304                    } => {
3305                        if needs_resync_with_host {
3306                            continue;
3307                        }
3308
3309                        operations_by_buffer_id
3310                            .entry(buffer_id)
3311                            .or_insert(Vec::new())
3312                            .push(operation);
3313                    }
3314
3315                    BufferOrderedMessage::Resync => {
3316                        operations_by_buffer_id.clear();
3317                        if project
3318                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
3319                            .await
3320                            .is_ok()
3321                        {
3322                            needs_resync_with_host = false;
3323                        }
3324                    }
3325
3326                    BufferOrderedMessage::LanguageServerUpdate {
3327                        language_server_id,
3328                        message,
3329                        name,
3330                    } => {
3331                        flush_operations(
3332                            &project,
3333                            &mut operations_by_buffer_id,
3334                            &mut needs_resync_with_host,
3335                            is_local,
3336                            cx,
3337                        )
3338                        .await?;
3339
3340                        project.read_with(cx, |project, _| {
3341                            if let Some(project_id) = project.remote_id() {
3342                                project
3343                                    .collab_client
3344                                    .send(proto::UpdateLanguageServer {
3345                                        project_id,
3346                                        server_name: name.map(|name| String::from(name.0)),
3347                                        language_server_id: language_server_id.to_proto(),
3348                                        variant: Some(message),
3349                                    })
3350                                    .log_err();
3351                            }
3352                        })?;
3353                    }
3354                }
3355            }
3356
3357            flush_operations(
3358                &project,
3359                &mut operations_by_buffer_id,
3360                &mut needs_resync_with_host,
3361                is_local,
3362                cx,
3363            )
3364            .await?;
3365        }
3366
3367        Ok(())
3368    }
3369
3370    fn on_buffer_store_event(
3371        &mut self,
3372        _: Entity<BufferStore>,
3373        event: &BufferStoreEvent,
3374        cx: &mut Context<Self>,
3375    ) {
3376        match event {
3377            BufferStoreEvent::BufferAdded(buffer) => {
3378                self.register_buffer(buffer, cx).log_err();
3379            }
3380            BufferStoreEvent::BufferDropped(buffer_id) => {
3381                if let Some(ref remote_client) = self.remote_client {
3382                    remote_client
3383                        .read(cx)
3384                        .proto_client()
3385                        .send(proto::CloseBuffer {
3386                            project_id: 0,
3387                            buffer_id: buffer_id.to_proto(),
3388                        })
3389                        .log_err();
3390                }
3391            }
3392            _ => {}
3393        }
3394    }
3395
3396    fn on_image_store_event(
3397        &mut self,
3398        _: Entity<ImageStore>,
3399        event: &ImageStoreEvent,
3400        cx: &mut Context<Self>,
3401    ) {
3402        match event {
3403            ImageStoreEvent::ImageAdded(image) => {
3404                cx.subscribe(image, |this, image, event, cx| {
3405                    this.on_image_event(image, event, cx);
3406                })
3407                .detach();
3408            }
3409        }
3410    }
3411
3412    fn on_dap_store_event(
3413        &mut self,
3414        _: Entity<DapStore>,
3415        event: &DapStoreEvent,
3416        cx: &mut Context<Self>,
3417    ) {
3418        if let DapStoreEvent::Notification(message) = event {
3419            cx.emit(Event::Toast {
3420                notification_id: "dap".into(),
3421                message: message.clone(),
3422                link: None,
3423            });
3424        }
3425    }
3426
3427    fn on_lsp_store_event(
3428        &mut self,
3429        _: Entity<LspStore>,
3430        event: &LspStoreEvent,
3431        cx: &mut Context<Self>,
3432    ) {
3433        match event {
3434            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
3435                cx.emit(Event::DiagnosticsUpdated {
3436                    paths: paths.clone(),
3437                    language_server_id: *server_id,
3438                })
3439            }
3440            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
3441                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
3442            ),
3443            LspStoreEvent::LanguageServerRemoved(server_id) => {
3444                cx.emit(Event::LanguageServerRemoved(*server_id))
3445            }
3446            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
3447                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
3448            ),
3449            LspStoreEvent::LanguageDetected {
3450                buffer,
3451                new_language,
3452            } => {
3453                let Some(_) = new_language else {
3454                    cx.emit(Event::LanguageNotFound(buffer.clone()));
3455                    return;
3456                };
3457            }
3458            LspStoreEvent::RefreshInlayHints {
3459                server_id,
3460                request_id,
3461            } => cx.emit(Event::RefreshInlayHints {
3462                server_id: *server_id,
3463                request_id: *request_id,
3464            }),
3465            LspStoreEvent::RefreshSemanticTokens {
3466                server_id,
3467                request_id,
3468            } => cx.emit(Event::RefreshSemanticTokens {
3469                server_id: *server_id,
3470                request_id: *request_id,
3471            }),
3472            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
3473            LspStoreEvent::LanguageServerPrompt(prompt) => {
3474                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
3475            }
3476            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
3477                cx.emit(Event::DiskBasedDiagnosticsStarted {
3478                    language_server_id: *language_server_id,
3479                });
3480            }
3481            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
3482                cx.emit(Event::DiskBasedDiagnosticsFinished {
3483                    language_server_id: *language_server_id,
3484                });
3485            }
3486            LspStoreEvent::LanguageServerUpdate {
3487                language_server_id,
3488                name,
3489                message,
3490            } => {
3491                if self.is_local() {
3492                    self.enqueue_buffer_ordered_message(
3493                        BufferOrderedMessage::LanguageServerUpdate {
3494                            language_server_id: *language_server_id,
3495                            message: message.clone(),
3496                            name: name.clone(),
3497                        },
3498                    )
3499                    .ok();
3500                }
3501
3502                match message {
3503                    proto::update_language_server::Variant::MetadataUpdated(update) => {
3504                        self.lsp_store.update(cx, |lsp_store, _| {
3505                            if let Some(capabilities) = update
3506                                .capabilities
3507                                .as_ref()
3508                                .and_then(|capabilities| serde_json::from_str(capabilities).ok())
3509                            {
3510                                lsp_store
3511                                    .lsp_server_capabilities
3512                                    .insert(*language_server_id, capabilities);
3513                            }
3514
3515                            if let Some(language_server_status) = lsp_store
3516                                .language_server_statuses
3517                                .get_mut(language_server_id)
3518                            {
3519                                if let Some(binary) = &update.binary {
3520                                    language_server_status.binary = Some(LanguageServerBinary {
3521                                        path: PathBuf::from(&binary.path),
3522                                        arguments: binary
3523                                            .arguments
3524                                            .iter()
3525                                            .map(OsString::from)
3526                                            .collect(),
3527                                        env: None,
3528                                    });
3529                                }
3530
3531                                language_server_status.configuration = update
3532                                    .configuration
3533                                    .as_ref()
3534                                    .and_then(|config_str| serde_json::from_str(config_str).ok());
3535
3536                                language_server_status.workspace_folders = update
3537                                    .workspace_folders
3538                                    .iter()
3539                                    .filter_map(|uri_str| lsp::Uri::from_str(uri_str).ok())
3540                                    .collect();
3541                            }
3542                        });
3543                    }
3544                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
3545                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
3546                            cx.emit(Event::LanguageServerBufferRegistered {
3547                                buffer_id,
3548                                server_id: *language_server_id,
3549                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
3550                                name: name.clone(),
3551                            });
3552                        }
3553                    }
3554                    _ => (),
3555                }
3556            }
3557            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
3558                notification_id: "lsp".into(),
3559                message: message.clone(),
3560                link: None,
3561            }),
3562            LspStoreEvent::SnippetEdit {
3563                buffer_id,
3564                edits,
3565                most_recent_edit,
3566            } => {
3567                if most_recent_edit.replica_id == self.replica_id() {
3568                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3569                }
3570            }
3571            LspStoreEvent::WorkspaceEditApplied(transaction) => {
3572                cx.emit(Event::WorkspaceEditApplied(transaction.clone()))
3573            }
3574        }
3575    }
3576
3577    fn on_remote_client_event(
3578        &mut self,
3579        _: Entity<RemoteClient>,
3580        event: &remote::RemoteClientEvent,
3581        cx: &mut Context<Self>,
3582    ) {
3583        match event {
3584            &remote::RemoteClientEvent::Disconnected { server_not_running } => {
3585                self.worktree_store.update(cx, |store, cx| {
3586                    store.disconnected_from_host(cx);
3587                });
3588                self.buffer_store.update(cx, |buffer_store, cx| {
3589                    buffer_store.disconnected_from_host(cx)
3590                });
3591                self.lsp_store.update(cx, |lsp_store, _cx| {
3592                    lsp_store.disconnected_from_ssh_remote()
3593                });
3594                cx.emit(Event::DisconnectedFromRemote { server_not_running });
3595            }
3596        }
3597    }
3598
3599    fn on_settings_observer_event(
3600        &mut self,
3601        _: Entity<SettingsObserver>,
3602        event: &SettingsObserverEvent,
3603        cx: &mut Context<Self>,
3604    ) {
3605        match event {
3606            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3607                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3608                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3609                    cx.emit(Event::Toast {
3610                        notification_id: format!("local-settings-{path:?}").into(),
3611                        link: None,
3612                        message,
3613                    });
3614                }
3615                Ok(path) => cx.emit(Event::HideToast {
3616                    notification_id: format!("local-settings-{path:?}").into(),
3617                }),
3618                Err(_) => {}
3619            },
3620            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3621                Err(InvalidSettingsError::Tasks { message, path }) => {
3622                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3623                    cx.emit(Event::Toast {
3624                        notification_id: format!("local-tasks-{path:?}").into(),
3625                        link: Some(ToastLink {
3626                            label: "Open Tasks Documentation",
3627                            url: "https://zed.dev/docs/tasks",
3628                        }),
3629                        message,
3630                    });
3631                }
3632                Ok(path) => cx.emit(Event::HideToast {
3633                    notification_id: format!("local-tasks-{path:?}").into(),
3634                }),
3635                Err(_) => {}
3636            },
3637            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3638                Err(InvalidSettingsError::Debug { message, path }) => {
3639                    let message =
3640                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3641                    cx.emit(Event::Toast {
3642                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3643                        link: None,
3644                        message,
3645                    });
3646                }
3647                Ok(path) => cx.emit(Event::HideToast {
3648                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3649                }),
3650                Err(_) => {}
3651            },
3652        }
3653    }
3654
3655    fn on_worktree_store_event(
3656        &mut self,
3657        _: Entity<WorktreeStore>,
3658        event: &WorktreeStoreEvent,
3659        cx: &mut Context<Self>,
3660    ) {
3661        match event {
3662            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3663                self.on_worktree_added(worktree, cx);
3664                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3665            }
3666            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3667                cx.emit(Event::WorktreeRemoved(*id));
3668            }
3669            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3670                self.on_worktree_released(*id, cx);
3671            }
3672            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3673            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3674            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3675                self.client()
3676                    .telemetry()
3677                    .report_discovered_project_type_events(*worktree_id, changes);
3678                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3679            }
3680            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3681                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3682            }
3683            // Listen to the GitStore instead.
3684            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3685            WorktreeStoreEvent::WorktreeUpdatedRootRepoCommonDir(worktree_id) => {
3686                cx.emit(Event::WorktreeUpdatedRootRepoCommonDir(*worktree_id));
3687            }
3688        }
3689    }
3690
3691    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3692        let mut remotely_created_models = self.remotely_created_models.lock();
3693        if remotely_created_models.retain_count > 0 {
3694            remotely_created_models.worktrees.push(worktree.clone())
3695        }
3696    }
3697
3698    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3699        if let Some(remote) = &self.remote_client {
3700            remote
3701                .read(cx)
3702                .proto_client()
3703                .send(proto::RemoveWorktree {
3704                    worktree_id: id_to_remove.to_proto(),
3705                })
3706                .log_err();
3707        }
3708    }
3709
3710    fn on_buffer_event(
3711        &mut self,
3712        buffer: Entity<Buffer>,
3713        event: &BufferEvent,
3714        cx: &mut Context<Self>,
3715    ) -> Option<()> {
3716        if matches!(event, BufferEvent::Edited { .. } | BufferEvent::Reloaded) {
3717            self.request_buffer_diff_recalculation(&buffer, cx);
3718        }
3719
3720        if matches!(event, BufferEvent::Edited { .. }) {
3721            cx.emit(Event::BufferEdited);
3722        }
3723
3724        let buffer_id = buffer.read(cx).remote_id();
3725        match event {
3726            BufferEvent::ReloadNeeded => {
3727                if !self.is_via_collab() {
3728                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3729                        .detach_and_log_err(cx);
3730                }
3731            }
3732            BufferEvent::Operation {
3733                operation,
3734                is_local: true,
3735            } => {
3736                let operation = language::proto::serialize_operation(operation);
3737
3738                if let Some(remote) = &self.remote_client {
3739                    remote
3740                        .read(cx)
3741                        .proto_client()
3742                        .send(proto::UpdateBuffer {
3743                            project_id: 0,
3744                            buffer_id: buffer_id.to_proto(),
3745                            operations: vec![operation.clone()],
3746                        })
3747                        .ok();
3748                }
3749
3750                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3751                    buffer_id,
3752                    operation,
3753                })
3754                .ok();
3755            }
3756
3757            _ => {}
3758        }
3759
3760        None
3761    }
3762
3763    fn on_image_event(
3764        &mut self,
3765        image: Entity<ImageItem>,
3766        event: &ImageItemEvent,
3767        cx: &mut Context<Self>,
3768    ) -> Option<()> {
3769        // TODO: handle image events from remote
3770        if let ImageItemEvent::ReloadNeeded = event
3771            && !self.is_via_collab()
3772        {
3773            self.reload_images([image].into_iter().collect(), cx)
3774                .detach_and_log_err(cx);
3775        }
3776
3777        None
3778    }
3779
3780    fn request_buffer_diff_recalculation(
3781        &mut self,
3782        buffer: &Entity<Buffer>,
3783        cx: &mut Context<Self>,
3784    ) {
3785        self.buffers_needing_diff.insert(buffer.downgrade());
3786        let first_insertion = self.buffers_needing_diff.len() == 1;
3787        let settings = ProjectSettings::get_global(cx);
3788        let delay = settings.git.gutter_debounce;
3789
3790        if delay == 0 {
3791            if first_insertion {
3792                let this = cx.weak_entity();
3793                cx.defer(move |cx| {
3794                    if let Some(this) = this.upgrade() {
3795                        this.update(cx, |this, cx| {
3796                            this.recalculate_buffer_diffs(cx).detach();
3797                        });
3798                    }
3799                });
3800            }
3801            return;
3802        }
3803
3804        const MIN_DELAY: u64 = 50;
3805        let delay = delay.max(MIN_DELAY);
3806        let duration = Duration::from_millis(delay);
3807
3808        self.git_diff_debouncer
3809            .fire_new(duration, cx, move |this, cx| {
3810                this.recalculate_buffer_diffs(cx)
3811            });
3812    }
3813
3814    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3815        cx.spawn(async move |this, cx| {
3816            loop {
3817                let task = this
3818                    .update(cx, |this, cx| {
3819                        let buffers = this
3820                            .buffers_needing_diff
3821                            .drain()
3822                            .filter_map(|buffer| buffer.upgrade())
3823                            .collect::<Vec<_>>();
3824                        if buffers.is_empty() {
3825                            None
3826                        } else {
3827                            Some(this.git_store.update(cx, |git_store, cx| {
3828                                git_store.recalculate_buffer_diffs(buffers, cx)
3829                            }))
3830                        }
3831                    })
3832                    .ok()
3833                    .flatten();
3834
3835                if let Some(task) = task {
3836                    task.await;
3837                } else {
3838                    break;
3839                }
3840            }
3841        })
3842    }
3843
3844    pub fn set_language_for_buffer(
3845        &mut self,
3846        buffer: &Entity<Buffer>,
3847        new_language: Arc<Language>,
3848        cx: &mut Context<Self>,
3849    ) {
3850        self.lsp_store.update(cx, |lsp_store, cx| {
3851            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3852        })
3853    }
3854
3855    pub fn restart_language_servers_for_buffers(
3856        &mut self,
3857        buffers: Vec<Entity<Buffer>>,
3858        only_restart_servers: HashSet<LanguageServerSelector>,
3859        cx: &mut Context<Self>,
3860    ) {
3861        self.lsp_store.update(cx, |lsp_store, cx| {
3862            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3863        })
3864    }
3865
3866    pub fn stop_language_servers_for_buffers(
3867        &mut self,
3868        buffers: Vec<Entity<Buffer>>,
3869        also_restart_servers: HashSet<LanguageServerSelector>,
3870        cx: &mut Context<Self>,
3871    ) {
3872        self.lsp_store
3873            .update(cx, |lsp_store, cx| {
3874                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3875            })
3876            .detach_and_log_err(cx);
3877    }
3878
3879    pub fn cancel_language_server_work_for_buffers(
3880        &mut self,
3881        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3882        cx: &mut Context<Self>,
3883    ) {
3884        self.lsp_store.update(cx, |lsp_store, cx| {
3885            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3886        })
3887    }
3888
3889    pub fn cancel_language_server_work(
3890        &mut self,
3891        server_id: LanguageServerId,
3892        token_to_cancel: Option<ProgressToken>,
3893        cx: &mut Context<Self>,
3894    ) {
3895        self.lsp_store.update(cx, |lsp_store, cx| {
3896            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3897        })
3898    }
3899
3900    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3901        self.buffer_ordered_messages_tx
3902            .unbounded_send(message)
3903            .map_err(|e| anyhow!(e))
3904    }
3905
3906    pub fn available_toolchains(
3907        &self,
3908        path: ProjectPath,
3909        language_name: LanguageName,
3910        cx: &App,
3911    ) -> Task<Option<Toolchains>> {
3912        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3913            cx.spawn(async move |cx| {
3914                toolchain_store
3915                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3916                    .ok()?
3917                    .await
3918            })
3919        } else {
3920            Task::ready(None)
3921        }
3922    }
3923
3924    pub async fn toolchain_metadata(
3925        languages: Arc<LanguageRegistry>,
3926        language_name: LanguageName,
3927    ) -> Option<ToolchainMetadata> {
3928        languages
3929            .language_for_name(language_name.as_ref())
3930            .await
3931            .ok()?
3932            .toolchain_lister()
3933            .map(|lister| lister.meta())
3934    }
3935
3936    pub fn add_toolchain(
3937        &self,
3938        toolchain: Toolchain,
3939        scope: ToolchainScope,
3940        cx: &mut Context<Self>,
3941    ) {
3942        maybe!({
3943            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3944                this.add_toolchain(toolchain, scope, cx);
3945            });
3946            Some(())
3947        });
3948    }
3949
3950    pub fn remove_toolchain(
3951        &self,
3952        toolchain: Toolchain,
3953        scope: ToolchainScope,
3954        cx: &mut Context<Self>,
3955    ) {
3956        maybe!({
3957            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3958                this.remove_toolchain(toolchain, scope, cx);
3959            });
3960            Some(())
3961        });
3962    }
3963
3964    pub fn user_toolchains(
3965        &self,
3966        cx: &App,
3967    ) -> Option<BTreeMap<ToolchainScope, IndexSet<Toolchain>>> {
3968        Some(self.toolchain_store.as_ref()?.read(cx).user_toolchains())
3969    }
3970
3971    pub fn resolve_toolchain(
3972        &self,
3973        path: PathBuf,
3974        language_name: LanguageName,
3975        cx: &App,
3976    ) -> Task<Result<Toolchain>> {
3977        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3978            cx.spawn(async move |cx| {
3979                toolchain_store
3980                    .update(cx, |this, cx| {
3981                        this.resolve_toolchain(path, language_name, cx)
3982                    })?
3983                    .await
3984            })
3985        } else {
3986            Task::ready(Err(anyhow!("This project does not support toolchains")))
3987        }
3988    }
3989
3990    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3991        self.toolchain_store.clone()
3992    }
3993    pub fn activate_toolchain(
3994        &self,
3995        path: ProjectPath,
3996        toolchain: Toolchain,
3997        cx: &mut App,
3998    ) -> Task<Option<()>> {
3999        let Some(toolchain_store) = self.toolchain_store.clone() else {
4000            return Task::ready(None);
4001        };
4002        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
4003    }
4004    pub fn active_toolchain(
4005        &self,
4006        path: ProjectPath,
4007        language_name: LanguageName,
4008        cx: &App,
4009    ) -> Task<Option<Toolchain>> {
4010        let Some(toolchain_store) = self.toolchain_store.clone() else {
4011            return Task::ready(None);
4012        };
4013        toolchain_store
4014            .read(cx)
4015            .active_toolchain(path, language_name, cx)
4016    }
4017    pub fn language_server_statuses<'a>(
4018        &'a self,
4019        cx: &'a App,
4020    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
4021        self.lsp_store.read(cx).language_server_statuses()
4022    }
4023
4024    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
4025        self.lsp_store.read(cx).last_formatting_failure()
4026    }
4027
4028    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
4029        self.lsp_store
4030            .update(cx, |store, _| store.reset_last_formatting_failure());
4031    }
4032
4033    pub fn reload_buffers(
4034        &self,
4035        buffers: HashSet<Entity<Buffer>>,
4036        push_to_history: bool,
4037        cx: &mut Context<Self>,
4038    ) -> Task<Result<ProjectTransaction>> {
4039        self.buffer_store.update(cx, |buffer_store, cx| {
4040            buffer_store.reload_buffers(buffers, push_to_history, cx)
4041        })
4042    }
4043
4044    pub fn reload_images(
4045        &self,
4046        images: HashSet<Entity<ImageItem>>,
4047        cx: &mut Context<Self>,
4048    ) -> Task<Result<()>> {
4049        self.image_store
4050            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
4051    }
4052
4053    pub fn format(
4054        &mut self,
4055        buffers: HashSet<Entity<Buffer>>,
4056        target: LspFormatTarget,
4057        push_to_history: bool,
4058        trigger: lsp_store::FormatTrigger,
4059        cx: &mut Context<Project>,
4060    ) -> Task<anyhow::Result<ProjectTransaction>> {
4061        self.lsp_store.update(cx, |lsp_store, cx| {
4062            lsp_store.format(buffers, target, push_to_history, trigger, cx)
4063        })
4064    }
4065
4066    pub fn definitions<T: ToPointUtf16>(
4067        &mut self,
4068        buffer: &Entity<Buffer>,
4069        position: T,
4070        cx: &mut Context<Self>,
4071    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4072        let position = position.to_point_utf16(buffer.read(cx));
4073        let guard = self.retain_remotely_created_models(cx);
4074        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4075            lsp_store.definitions(buffer, position, cx)
4076        });
4077        cx.background_spawn(async move {
4078            let result = task.await;
4079            drop(guard);
4080            result
4081        })
4082    }
4083
4084    pub fn declarations<T: ToPointUtf16>(
4085        &mut self,
4086        buffer: &Entity<Buffer>,
4087        position: T,
4088        cx: &mut Context<Self>,
4089    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4090        let position = position.to_point_utf16(buffer.read(cx));
4091        let guard = self.retain_remotely_created_models(cx);
4092        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4093            lsp_store.declarations(buffer, position, cx)
4094        });
4095        cx.background_spawn(async move {
4096            let result = task.await;
4097            drop(guard);
4098            result
4099        })
4100    }
4101
4102    pub fn type_definitions<T: ToPointUtf16>(
4103        &mut self,
4104        buffer: &Entity<Buffer>,
4105        position: T,
4106        cx: &mut Context<Self>,
4107    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4108        let position = position.to_point_utf16(buffer.read(cx));
4109        let guard = self.retain_remotely_created_models(cx);
4110        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4111            lsp_store.type_definitions(buffer, position, cx)
4112        });
4113        cx.background_spawn(async move {
4114            let result = task.await;
4115            drop(guard);
4116            result
4117        })
4118    }
4119
4120    pub fn implementations<T: ToPointUtf16>(
4121        &mut self,
4122        buffer: &Entity<Buffer>,
4123        position: T,
4124        cx: &mut Context<Self>,
4125    ) -> Task<Result<Option<Vec<LocationLink>>>> {
4126        let position = position.to_point_utf16(buffer.read(cx));
4127        let guard = self.retain_remotely_created_models(cx);
4128        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4129            lsp_store.implementations(buffer, position, cx)
4130        });
4131        cx.background_spawn(async move {
4132            let result = task.await;
4133            drop(guard);
4134            result
4135        })
4136    }
4137
4138    pub fn references<T: ToPointUtf16>(
4139        &mut self,
4140        buffer: &Entity<Buffer>,
4141        position: T,
4142        cx: &mut Context<Self>,
4143    ) -> Task<Result<Option<Vec<Location>>>> {
4144        let position = position.to_point_utf16(buffer.read(cx));
4145        let guard = self.retain_remotely_created_models(cx);
4146        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4147            lsp_store.references(buffer, position, cx)
4148        });
4149        cx.background_spawn(async move {
4150            let result = task.await;
4151            drop(guard);
4152            result
4153        })
4154    }
4155
4156    pub fn document_highlights<T: ToPointUtf16>(
4157        &mut self,
4158        buffer: &Entity<Buffer>,
4159        position: T,
4160        cx: &mut Context<Self>,
4161    ) -> Task<Result<Vec<DocumentHighlight>>> {
4162        let position = position.to_point_utf16(buffer.read(cx));
4163        self.request_lsp(
4164            buffer.clone(),
4165            LanguageServerToQuery::FirstCapable,
4166            GetDocumentHighlights { position },
4167            cx,
4168        )
4169    }
4170
4171    pub fn document_symbols(
4172        &mut self,
4173        buffer: &Entity<Buffer>,
4174        cx: &mut Context<Self>,
4175    ) -> Task<Result<Vec<DocumentSymbol>>> {
4176        self.request_lsp(
4177            buffer.clone(),
4178            LanguageServerToQuery::FirstCapable,
4179            GetDocumentSymbols,
4180            cx,
4181        )
4182    }
4183
4184    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
4185        self.lsp_store
4186            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
4187    }
4188
4189    pub fn open_buffer_for_symbol(
4190        &mut self,
4191        symbol: &Symbol,
4192        cx: &mut Context<Self>,
4193    ) -> Task<Result<Entity<Buffer>>> {
4194        self.lsp_store.update(cx, |lsp_store, cx| {
4195            lsp_store.open_buffer_for_symbol(symbol, cx)
4196        })
4197    }
4198
4199    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
4200        let guard = self.retain_remotely_created_models(cx);
4201        let Some(remote) = self.remote_client.as_ref() else {
4202            return Task::ready(Err(anyhow!("not an ssh project")));
4203        };
4204
4205        let proto_client = remote.read(cx).proto_client();
4206
4207        cx.spawn(async move |project, cx| {
4208            let buffer = proto_client
4209                .request(proto::OpenServerSettings {
4210                    project_id: REMOTE_SERVER_PROJECT_ID,
4211                })
4212                .await?;
4213
4214            let buffer = project
4215                .update(cx, |project, cx| {
4216                    project.buffer_store.update(cx, |buffer_store, cx| {
4217                        anyhow::Ok(
4218                            buffer_store
4219                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
4220                        )
4221                    })
4222                })??
4223                .await;
4224
4225            drop(guard);
4226            buffer
4227        })
4228    }
4229
4230    pub fn open_local_buffer_via_lsp(
4231        &mut self,
4232        abs_path: lsp::Uri,
4233        language_server_id: LanguageServerId,
4234        cx: &mut Context<Self>,
4235    ) -> Task<Result<Entity<Buffer>>> {
4236        self.lsp_store.update(cx, |lsp_store, cx| {
4237            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
4238        })
4239    }
4240
4241    pub fn hover<T: ToPointUtf16>(
4242        &self,
4243        buffer: &Entity<Buffer>,
4244        position: T,
4245        cx: &mut Context<Self>,
4246    ) -> Task<Option<Vec<Hover>>> {
4247        let position = position.to_point_utf16(buffer.read(cx));
4248        self.lsp_store
4249            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
4250    }
4251
4252    pub fn linked_edits(
4253        &self,
4254        buffer: &Entity<Buffer>,
4255        position: Anchor,
4256        cx: &mut Context<Self>,
4257    ) -> Task<Result<Vec<Range<Anchor>>>> {
4258        self.lsp_store.update(cx, |lsp_store, cx| {
4259            lsp_store.linked_edits(buffer, position, cx)
4260        })
4261    }
4262
4263    pub fn completions<T: ToOffset + ToPointUtf16>(
4264        &self,
4265        buffer: &Entity<Buffer>,
4266        position: T,
4267        context: CompletionContext,
4268        cx: &mut Context<Self>,
4269    ) -> Task<Result<Vec<CompletionResponse>>> {
4270        let position = position.to_point_utf16(buffer.read(cx));
4271        self.lsp_store.update(cx, |lsp_store, cx| {
4272            lsp_store.completions(buffer, position, context, cx)
4273        })
4274    }
4275
4276    pub fn code_actions<T: Clone + ToOffset>(
4277        &mut self,
4278        buffer_handle: &Entity<Buffer>,
4279        range: Range<T>,
4280        kinds: Option<Vec<CodeActionKind>>,
4281        cx: &mut Context<Self>,
4282    ) -> Task<Result<Option<Vec<CodeAction>>>> {
4283        let buffer = buffer_handle.read(cx);
4284        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
4285        self.lsp_store.update(cx, |lsp_store, cx| {
4286            lsp_store.code_actions(buffer_handle, range, kinds, cx)
4287        })
4288    }
4289
4290    pub fn code_lens_actions<T: Clone + ToOffset>(
4291        &mut self,
4292        buffer: &Entity<Buffer>,
4293        range: Range<T>,
4294        cx: &mut Context<Self>,
4295    ) -> Task<Result<Option<Vec<CodeAction>>>> {
4296        let snapshot = buffer.read(cx).snapshot();
4297        let range = range.to_point(&snapshot);
4298        let range_start = snapshot.anchor_before(range.start);
4299        let range_end = if range.start == range.end {
4300            range_start
4301        } else {
4302            snapshot.anchor_after(range.end)
4303        };
4304        let range = range_start..range_end;
4305        let code_lens_actions = self
4306            .lsp_store
4307            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
4308
4309        cx.background_spawn(async move {
4310            let mut code_lens_actions = code_lens_actions
4311                .await
4312                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
4313            if let Some(code_lens_actions) = &mut code_lens_actions {
4314                code_lens_actions.retain(|code_lens_action| {
4315                    range
4316                        .start
4317                        .cmp(&code_lens_action.range.start, &snapshot)
4318                        .is_ge()
4319                        && range
4320                            .end
4321                            .cmp(&code_lens_action.range.end, &snapshot)
4322                            .is_le()
4323                });
4324            }
4325            Ok(code_lens_actions)
4326        })
4327    }
4328
4329    pub fn apply_code_action(
4330        &self,
4331        buffer_handle: Entity<Buffer>,
4332        action: CodeAction,
4333        push_to_history: bool,
4334        cx: &mut Context<Self>,
4335    ) -> Task<Result<ProjectTransaction>> {
4336        self.lsp_store.update(cx, |lsp_store, cx| {
4337            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
4338        })
4339    }
4340
4341    pub fn apply_code_action_kind(
4342        &self,
4343        buffers: HashSet<Entity<Buffer>>,
4344        kind: CodeActionKind,
4345        push_to_history: bool,
4346        cx: &mut Context<Self>,
4347    ) -> Task<Result<ProjectTransaction>> {
4348        self.lsp_store.update(cx, |lsp_store, cx| {
4349            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
4350        })
4351    }
4352
4353    pub fn prepare_rename<T: ToPointUtf16>(
4354        &mut self,
4355        buffer: Entity<Buffer>,
4356        position: T,
4357        cx: &mut Context<Self>,
4358    ) -> Task<Result<PrepareRenameResponse>> {
4359        let position = position.to_point_utf16(buffer.read(cx));
4360        self.request_lsp(
4361            buffer,
4362            LanguageServerToQuery::FirstCapable,
4363            PrepareRename { position },
4364            cx,
4365        )
4366    }
4367
4368    pub fn perform_rename<T: ToPointUtf16>(
4369        &mut self,
4370        buffer: Entity<Buffer>,
4371        position: T,
4372        new_name: String,
4373        cx: &mut Context<Self>,
4374    ) -> Task<Result<ProjectTransaction>> {
4375        let push_to_history = true;
4376        let position = position.to_point_utf16(buffer.read(cx));
4377        self.request_lsp(
4378            buffer,
4379            LanguageServerToQuery::FirstCapable,
4380            PerformRename {
4381                position,
4382                new_name,
4383                push_to_history,
4384            },
4385            cx,
4386        )
4387    }
4388
4389    pub fn on_type_format<T: ToPointUtf16>(
4390        &mut self,
4391        buffer: Entity<Buffer>,
4392        position: T,
4393        trigger: String,
4394        push_to_history: bool,
4395        cx: &mut Context<Self>,
4396    ) -> Task<Result<Option<Transaction>>> {
4397        self.lsp_store.update(cx, |lsp_store, cx| {
4398            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
4399        })
4400    }
4401
4402    pub fn inline_values(
4403        &mut self,
4404        session: Entity<Session>,
4405        active_stack_frame: ActiveStackFrame,
4406        buffer_handle: Entity<Buffer>,
4407        range: Range<text::Anchor>,
4408        cx: &mut Context<Self>,
4409    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
4410        let snapshot = buffer_handle.read(cx).snapshot();
4411
4412        let captures =
4413            snapshot.debug_variables_query(Anchor::min_for_buffer(snapshot.remote_id())..range.end);
4414
4415        let row = snapshot
4416            .summary_for_anchor::<text::PointUtf16>(&range.end)
4417            .row as usize;
4418
4419        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
4420
4421        let stack_frame_id = active_stack_frame.stack_frame_id;
4422        cx.spawn(async move |this, cx| {
4423            this.update(cx, |project, cx| {
4424                project.dap_store().update(cx, |dap_store, cx| {
4425                    dap_store.resolve_inline_value_locations(
4426                        session,
4427                        stack_frame_id,
4428                        buffer_handle,
4429                        inline_value_locations,
4430                        cx,
4431                    )
4432                })
4433            })?
4434            .await
4435        })
4436    }
4437
4438    fn search_impl(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> SearchResultsHandle {
4439        let client: Option<(AnyProtoClient, _)> = if let Some(ssh_client) = &self.remote_client {
4440            Some((ssh_client.read(cx).proto_client(), 0))
4441        } else if let Some(remote_id) = self.remote_id() {
4442            self.is_local()
4443                .not()
4444                .then(|| (self.collab_client.clone().into(), remote_id))
4445        } else {
4446            None
4447        };
4448        let searcher = if query.is_opened_only() {
4449            project_search::Search::open_buffers_only(
4450                self.buffer_store.clone(),
4451                self.worktree_store.clone(),
4452                project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4453            )
4454        } else {
4455            match client {
4456                Some((client, remote_id)) => project_search::Search::remote(
4457                    self.buffer_store.clone(),
4458                    self.worktree_store.clone(),
4459                    project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4460                    (client, remote_id, self.remotely_created_models.clone()),
4461                ),
4462                None => project_search::Search::local(
4463                    self.fs.clone(),
4464                    self.buffer_store.clone(),
4465                    self.worktree_store.clone(),
4466                    project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4467                    cx,
4468                ),
4469            }
4470        };
4471        searcher.into_handle(query, cx)
4472    }
4473
4474    pub fn search(
4475        &mut self,
4476        query: SearchQuery,
4477        cx: &mut Context<Self>,
4478    ) -> SearchResults<SearchResult> {
4479        self.search_impl(query, cx).results(cx)
4480    }
4481
4482    pub fn request_lsp<R: LspCommand>(
4483        &mut self,
4484        buffer_handle: Entity<Buffer>,
4485        server: LanguageServerToQuery,
4486        request: R,
4487        cx: &mut Context<Self>,
4488    ) -> Task<Result<R::Response>>
4489    where
4490        <R::LspRequest as lsp::request::Request>::Result: Send,
4491        <R::LspRequest as lsp::request::Request>::Params: Send,
4492    {
4493        let guard = self.retain_remotely_created_models(cx);
4494        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4495            lsp_store.request_lsp(buffer_handle, server, request, cx)
4496        });
4497        cx.background_spawn(async move {
4498            let result = task.await;
4499            drop(guard);
4500            result
4501        })
4502    }
4503
4504    /// Move a worktree to a new position in the worktree order.
4505    ///
4506    /// The worktree will moved to the opposite side of the destination worktree.
4507    ///
4508    /// # Example
4509    ///
4510    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4511    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4512    ///
4513    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4514    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4515    ///
4516    /// # Errors
4517    ///
4518    /// An error will be returned if the worktree or destination worktree are not found.
4519    pub fn move_worktree(
4520        &mut self,
4521        source: WorktreeId,
4522        destination: WorktreeId,
4523        cx: &mut Context<Self>,
4524    ) -> Result<()> {
4525        self.worktree_store.update(cx, |worktree_store, cx| {
4526            worktree_store.move_worktree(source, destination, cx)
4527        })
4528    }
4529
4530    /// 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.
4531    pub fn try_windows_path_to_wsl(
4532        &self,
4533        abs_path: &Path,
4534        cx: &App,
4535    ) -> impl Future<Output = Result<PathBuf>> + use<> {
4536        let fut = if cfg!(windows)
4537            && let (
4538                ProjectClientState::Local | ProjectClientState::Shared { .. },
4539                Some(remote_client),
4540            ) = (&self.client_state, &self.remote_client)
4541            && let RemoteConnectionOptions::Wsl(wsl) = remote_client.read(cx).connection_options()
4542        {
4543            Either::Left(wsl.abs_windows_path_to_wsl_path(abs_path))
4544        } else {
4545            Either::Right(abs_path.to_owned())
4546        };
4547        async move {
4548            match fut {
4549                Either::Left(fut) => fut.await.map(Into::into),
4550                Either::Right(path) => Ok(path),
4551            }
4552        }
4553    }
4554
4555    pub fn find_or_create_worktree(
4556        &mut self,
4557        abs_path: impl AsRef<Path>,
4558        visible: bool,
4559        cx: &mut Context<Self>,
4560    ) -> Task<Result<(Entity<Worktree>, Arc<RelPath>)>> {
4561        self.worktree_store.update(cx, |worktree_store, cx| {
4562            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4563        })
4564    }
4565
4566    pub fn find_worktree(
4567        &self,
4568        abs_path: &Path,
4569        cx: &App,
4570    ) -> Option<(Entity<Worktree>, Arc<RelPath>)> {
4571        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4572    }
4573
4574    pub fn is_shared(&self) -> bool {
4575        match &self.client_state {
4576            ProjectClientState::Shared { .. } => true,
4577            ProjectClientState::Local => false,
4578            ProjectClientState::Collab { .. } => true,
4579        }
4580    }
4581
4582    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4583    pub fn resolve_path_in_buffer(
4584        &self,
4585        path: &str,
4586        buffer: &Entity<Buffer>,
4587        cx: &mut Context<Self>,
4588    ) -> Task<Option<ResolvedPath>> {
4589        if util::paths::is_absolute(path, self.path_style(cx)) || path.starts_with("~") {
4590            self.resolve_abs_path(path, cx)
4591        } else {
4592            self.resolve_path_in_worktrees(path, buffer, cx)
4593        }
4594    }
4595
4596    pub fn resolve_abs_file_path(
4597        &self,
4598        path: &str,
4599        cx: &mut Context<Self>,
4600    ) -> Task<Option<ResolvedPath>> {
4601        let resolve_task = self.resolve_abs_path(path, cx);
4602        cx.background_spawn(async move {
4603            let resolved_path = resolve_task.await;
4604            resolved_path.filter(|path| path.is_file())
4605        })
4606    }
4607
4608    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4609        if self.is_local() {
4610            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4611            let fs = self.fs.clone();
4612            cx.background_spawn(async move {
4613                let metadata = fs.metadata(&expanded).await.ok().flatten();
4614
4615                metadata.map(|metadata| ResolvedPath::AbsPath {
4616                    path: expanded.to_string_lossy().into_owned(),
4617                    is_dir: metadata.is_dir,
4618                })
4619            })
4620        } else if let Some(ssh_client) = self.remote_client.as_ref() {
4621            let request = ssh_client
4622                .read(cx)
4623                .proto_client()
4624                .request(proto::GetPathMetadata {
4625                    project_id: REMOTE_SERVER_PROJECT_ID,
4626                    path: path.into(),
4627                });
4628            cx.background_spawn(async move {
4629                let response = request.await.log_err()?;
4630                if response.exists {
4631                    Some(ResolvedPath::AbsPath {
4632                        path: response.path,
4633                        is_dir: response.is_dir,
4634                    })
4635                } else {
4636                    None
4637                }
4638            })
4639        } else {
4640            Task::ready(None)
4641        }
4642    }
4643
4644    fn resolve_path_in_worktrees(
4645        &self,
4646        path: &str,
4647        buffer: &Entity<Buffer>,
4648        cx: &mut Context<Self>,
4649    ) -> Task<Option<ResolvedPath>> {
4650        let mut candidates = vec![];
4651        let path_style = self.path_style(cx);
4652        if let Ok(path) = RelPath::new(path.as_ref(), path_style) {
4653            candidates.push(path.into_arc());
4654        }
4655
4656        if let Some(file) = buffer.read(cx).file()
4657            && let Some(dir) = file.path().parent()
4658        {
4659            if let Some(joined) = path_style.join(&*dir.display(path_style), path)
4660                && let Some(joined) = RelPath::new(joined.as_ref(), path_style).ok()
4661            {
4662                candidates.push(joined.into_arc());
4663            }
4664        }
4665
4666        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4667        let worktrees_with_ids: Vec<_> = self
4668            .worktrees(cx)
4669            .map(|worktree| {
4670                let id = worktree.read(cx).id();
4671                (worktree, id)
4672            })
4673            .collect();
4674
4675        cx.spawn(async move |_, cx| {
4676            if let Some(buffer_worktree_id) = buffer_worktree_id
4677                && let Some((worktree, _)) = worktrees_with_ids
4678                    .iter()
4679                    .find(|(_, id)| *id == buffer_worktree_id)
4680            {
4681                for candidate in candidates.iter() {
4682                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4683                        return Some(path);
4684                    }
4685                }
4686            }
4687            for (worktree, id) in worktrees_with_ids {
4688                if Some(id) == buffer_worktree_id {
4689                    continue;
4690                }
4691                for candidate in candidates.iter() {
4692                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4693                        return Some(path);
4694                    }
4695                }
4696            }
4697            None
4698        })
4699    }
4700
4701    fn resolve_path_in_worktree(
4702        worktree: &Entity<Worktree>,
4703        path: &RelPath,
4704        cx: &mut AsyncApp,
4705    ) -> Option<ResolvedPath> {
4706        worktree.read_with(cx, |worktree, _| {
4707            worktree.entry_for_path(path).map(|entry| {
4708                let project_path = ProjectPath {
4709                    worktree_id: worktree.id(),
4710                    path: entry.path.clone(),
4711                };
4712                ResolvedPath::ProjectPath {
4713                    project_path,
4714                    is_dir: entry.is_dir(),
4715                }
4716            })
4717        })
4718    }
4719
4720    pub fn list_directory(
4721        &self,
4722        query: String,
4723        cx: &mut Context<Self>,
4724    ) -> Task<Result<Vec<DirectoryItem>>> {
4725        if self.is_local() {
4726            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4727        } else if let Some(session) = self.remote_client.as_ref() {
4728            let request = proto::ListRemoteDirectory {
4729                dev_server_id: REMOTE_SERVER_PROJECT_ID,
4730                path: query,
4731                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4732            };
4733
4734            let response = session.read(cx).proto_client().request(request);
4735            cx.background_spawn(async move {
4736                let proto::ListRemoteDirectoryResponse {
4737                    entries,
4738                    entry_info,
4739                } = response.await?;
4740                Ok(entries
4741                    .into_iter()
4742                    .zip(entry_info)
4743                    .map(|(entry, info)| DirectoryItem {
4744                        path: PathBuf::from(entry),
4745                        is_dir: info.is_dir,
4746                    })
4747                    .collect())
4748            })
4749        } else {
4750            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4751        }
4752    }
4753
4754    pub fn create_worktree(
4755        &mut self,
4756        abs_path: impl AsRef<Path>,
4757        visible: bool,
4758        cx: &mut Context<Self>,
4759    ) -> Task<Result<Entity<Worktree>>> {
4760        self.worktree_store.update(cx, |worktree_store, cx| {
4761            worktree_store.create_worktree(abs_path, visible, cx)
4762        })
4763    }
4764
4765    /// Returns a task that resolves when the given worktree's `Entity` is
4766    /// fully dropped (all strong references released), not merely when
4767    /// `remove_worktree` is called. `remove_worktree` drops the store's
4768    /// reference and emits `WorktreeRemoved`, but other code may still
4769    /// hold a strong handle — the worktree isn't safe to delete from
4770    /// disk until every handle is gone.
4771    ///
4772    /// We use `observe_release` on the specific entity rather than
4773    /// listening for `WorktreeReleased` events because it's simpler at
4774    /// the call site (one awaitable task, no subscription / channel /
4775    /// ID filtering).
4776    pub fn wait_for_worktree_release(
4777        &mut self,
4778        worktree_id: WorktreeId,
4779        cx: &mut Context<Self>,
4780    ) -> Task<Result<()>> {
4781        let Some(worktree) = self.worktree_for_id(worktree_id, cx) else {
4782            return Task::ready(Ok(()));
4783        };
4784
4785        let (released_tx, released_rx) = futures::channel::oneshot::channel();
4786        let released_tx = std::sync::Arc::new(Mutex::new(Some(released_tx)));
4787        let release_subscription =
4788            cx.observe_release(&worktree, move |_project, _released_worktree, _cx| {
4789                if let Some(released_tx) = released_tx.lock().take() {
4790                    let _ = released_tx.send(());
4791                }
4792            });
4793
4794        cx.spawn(async move |_project, _cx| {
4795            let _release_subscription = release_subscription;
4796            released_rx
4797                .await
4798                .map_err(|_| anyhow!("worktree release observer dropped before release"))?;
4799            Ok(())
4800        })
4801    }
4802
4803    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4804        self.worktree_store.update(cx, |worktree_store, cx| {
4805            worktree_store.remove_worktree(id_to_remove, cx);
4806        });
4807    }
4808
4809    pub fn remove_worktree_for_main_worktree_path(
4810        &mut self,
4811        path: impl AsRef<Path>,
4812        cx: &mut Context<Self>,
4813    ) {
4814        let path = path.as_ref();
4815        self.worktree_store.update(cx, |worktree_store, cx| {
4816            if let Some(worktree) = worktree_store.worktree_for_main_worktree_path(path, cx) {
4817                worktree_store.remove_worktree(worktree.read(cx).id(), cx);
4818            }
4819        });
4820    }
4821
4822    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4823        self.worktree_store.update(cx, |worktree_store, cx| {
4824            worktree_store.add(worktree, cx);
4825        });
4826    }
4827
4828    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4829        let new_active_entry = entry.and_then(|project_path| {
4830            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4831            let entry = worktree.read(cx).entry_for_path(&project_path.path)?;
4832            Some(entry.id)
4833        });
4834        if new_active_entry != self.active_entry {
4835            self.active_entry = new_active_entry;
4836            self.lsp_store.update(cx, |lsp_store, _| {
4837                lsp_store.set_active_entry(new_active_entry);
4838            });
4839            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4840        }
4841    }
4842
4843    pub fn language_servers_running_disk_based_diagnostics<'a>(
4844        &'a self,
4845        cx: &'a App,
4846    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4847        self.lsp_store
4848            .read(cx)
4849            .language_servers_running_disk_based_diagnostics()
4850    }
4851
4852    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4853        self.lsp_store
4854            .read(cx)
4855            .diagnostic_summary(include_ignored, cx)
4856    }
4857
4858    /// Returns a summary of the diagnostics for the provided project path only.
4859    pub fn diagnostic_summary_for_path(&self, path: &ProjectPath, cx: &App) -> DiagnosticSummary {
4860        self.lsp_store
4861            .read(cx)
4862            .diagnostic_summary_for_path(path, cx)
4863    }
4864
4865    pub fn diagnostic_summaries<'a>(
4866        &'a self,
4867        include_ignored: bool,
4868        cx: &'a App,
4869    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4870        self.lsp_store
4871            .read(cx)
4872            .diagnostic_summaries(include_ignored, cx)
4873    }
4874
4875    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4876        self.active_entry
4877    }
4878
4879    pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
4880        self.worktree_store.read(cx).entry_for_path(path, cx)
4881    }
4882
4883    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4884        let worktree = self.worktree_for_entry(entry_id, cx)?;
4885        let worktree = worktree.read(cx);
4886        let worktree_id = worktree.id();
4887        let path = worktree.entry_for_id(entry_id)?.path.clone();
4888        Some(ProjectPath { worktree_id, path })
4889    }
4890
4891    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4892        Some(
4893            self.worktree_for_id(project_path.worktree_id, cx)?
4894                .read(cx)
4895                .absolutize(&project_path.path),
4896        )
4897    }
4898
4899    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4900    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4901    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4902    /// the first visible worktree that has an entry for that relative path.
4903    ///
4904    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4905    /// root name from paths.
4906    ///
4907    /// # Arguments
4908    ///
4909    /// * `path` - An absolute path, or a full path that starts with a worktree root name, or a
4910    ///   relative path within a visible worktree.
4911    /// * `cx` - A reference to the `AppContext`.
4912    ///
4913    /// # Returns
4914    ///
4915    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4916    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4917        let path_style = self.path_style(cx);
4918        let path = path.as_ref();
4919        let worktree_store = self.worktree_store.read(cx);
4920
4921        if is_absolute(&path.to_string_lossy(), path_style) {
4922            for worktree in worktree_store.visible_worktrees(cx) {
4923                let worktree_abs_path = worktree.read(cx).abs_path();
4924
4925                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path)
4926                    && let Ok(path) = RelPath::new(relative_path, path_style)
4927                {
4928                    return Some(ProjectPath {
4929                        worktree_id: worktree.read(cx).id(),
4930                        path: path.into_arc(),
4931                    });
4932                }
4933            }
4934        } else {
4935            for worktree in worktree_store.visible_worktrees(cx) {
4936                let worktree = worktree.read(cx);
4937                if let Ok(rel_path) = RelPath::new(path, path_style) {
4938                    if let Some(entry) = worktree.entry_for_path(&rel_path) {
4939                        return Some(ProjectPath {
4940                            worktree_id: worktree.id(),
4941                            path: entry.path.clone(),
4942                        });
4943                    }
4944                }
4945            }
4946
4947            for worktree in worktree_store.visible_worktrees(cx) {
4948                let worktree_root_name = worktree.read(cx).root_name();
4949                if let Ok(relative_path) = path.strip_prefix(worktree_root_name.as_std_path())
4950                    && let Ok(path) = RelPath::new(relative_path, path_style)
4951                {
4952                    return Some(ProjectPath {
4953                        worktree_id: worktree.read(cx).id(),
4954                        path: path.into_arc(),
4955                    });
4956                }
4957            }
4958        }
4959
4960        None
4961    }
4962
4963    /// If there's only one visible worktree, returns the given worktree-relative path with no prefix.
4964    ///
4965    /// Otherwise, returns the full path for the project path (obtained by prefixing the worktree-relative path with the name of the worktree).
4966    pub fn short_full_path_for_project_path(
4967        &self,
4968        project_path: &ProjectPath,
4969        cx: &App,
4970    ) -> Option<String> {
4971        let path_style = self.path_style(cx);
4972        if self.visible_worktrees(cx).take(2).count() < 2 {
4973            return Some(project_path.path.display(path_style).to_string());
4974        }
4975        self.worktree_for_id(project_path.worktree_id, cx)
4976            .map(|worktree| {
4977                let worktree_name = worktree.read(cx).root_name();
4978                worktree_name
4979                    .join(&project_path.path)
4980                    .display(path_style)
4981                    .to_string()
4982            })
4983    }
4984
4985    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4986        self.worktree_store
4987            .read(cx)
4988            .project_path_for_absolute_path(abs_path, cx)
4989    }
4990
4991    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4992        Some(
4993            self.worktree_for_id(project_path.worktree_id, cx)?
4994                .read(cx)
4995                .abs_path()
4996                .to_path_buf(),
4997        )
4998    }
4999
5000    pub fn blame_buffer(
5001        &self,
5002        buffer: &Entity<Buffer>,
5003        version: Option<clock::Global>,
5004        cx: &mut App,
5005    ) -> Task<Result<Option<Blame>>> {
5006        self.git_store.update(cx, |git_store, cx| {
5007            git_store.blame_buffer(buffer, version, cx)
5008        })
5009    }
5010
5011    pub fn get_permalink_to_line(
5012        &self,
5013        buffer: &Entity<Buffer>,
5014        selection: Range<u32>,
5015        cx: &mut App,
5016    ) -> Task<Result<url::Url>> {
5017        self.git_store.update(cx, |git_store, cx| {
5018            git_store.get_permalink_to_line(buffer, selection, cx)
5019        })
5020    }
5021
5022    // RPC message handlers
5023
5024    async fn handle_unshare_project(
5025        this: Entity<Self>,
5026        _: TypedEnvelope<proto::UnshareProject>,
5027        mut cx: AsyncApp,
5028    ) -> Result<()> {
5029        this.update(&mut cx, |this, cx| {
5030            if this.is_local() || this.is_via_remote_server() {
5031                this.unshare(cx)?;
5032            } else {
5033                this.disconnected_from_host(cx);
5034            }
5035            Ok(())
5036        })
5037    }
5038
5039    async fn handle_add_collaborator(
5040        this: Entity<Self>,
5041        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
5042        mut cx: AsyncApp,
5043    ) -> Result<()> {
5044        let collaborator = envelope
5045            .payload
5046            .collaborator
5047            .take()
5048            .context("empty collaborator")?;
5049
5050        let collaborator = Collaborator::from_proto(collaborator)?;
5051        this.update(&mut cx, |this, cx| {
5052            this.buffer_store.update(cx, |buffer_store, _| {
5053                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
5054            });
5055            this.breakpoint_store.read(cx).broadcast();
5056            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
5057            this.collaborators
5058                .insert(collaborator.peer_id, collaborator);
5059        });
5060
5061        Ok(())
5062    }
5063
5064    async fn handle_update_project_collaborator(
5065        this: Entity<Self>,
5066        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
5067        mut cx: AsyncApp,
5068    ) -> Result<()> {
5069        let old_peer_id = envelope
5070            .payload
5071            .old_peer_id
5072            .context("missing old peer id")?;
5073        let new_peer_id = envelope
5074            .payload
5075            .new_peer_id
5076            .context("missing new peer id")?;
5077        this.update(&mut cx, |this, cx| {
5078            let collaborator = this
5079                .collaborators
5080                .remove(&old_peer_id)
5081                .context("received UpdateProjectCollaborator for unknown peer")?;
5082            let is_host = collaborator.is_host;
5083            this.collaborators.insert(new_peer_id, collaborator);
5084
5085            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
5086            this.buffer_store.update(cx, |buffer_store, _| {
5087                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
5088            });
5089
5090            if is_host {
5091                this.buffer_store
5092                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
5093                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
5094                    .unwrap();
5095                cx.emit(Event::HostReshared);
5096            }
5097
5098            cx.emit(Event::CollaboratorUpdated {
5099                old_peer_id,
5100                new_peer_id,
5101            });
5102            Ok(())
5103        })
5104    }
5105
5106    async fn handle_remove_collaborator(
5107        this: Entity<Self>,
5108        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
5109        mut cx: AsyncApp,
5110    ) -> Result<()> {
5111        this.update(&mut cx, |this, cx| {
5112            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
5113            let replica_id = this
5114                .collaborators
5115                .remove(&peer_id)
5116                .with_context(|| format!("unknown peer {peer_id:?}"))?
5117                .replica_id;
5118            this.buffer_store.update(cx, |buffer_store, cx| {
5119                buffer_store.forget_shared_buffers_for(&peer_id);
5120                for buffer in buffer_store.buffers() {
5121                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
5122                }
5123            });
5124            this.git_store.update(cx, |git_store, _| {
5125                git_store.forget_shared_diffs_for(&peer_id);
5126            });
5127
5128            cx.emit(Event::CollaboratorLeft(peer_id));
5129            Ok(())
5130        })
5131    }
5132
5133    async fn handle_update_project(
5134        this: Entity<Self>,
5135        envelope: TypedEnvelope<proto::UpdateProject>,
5136        mut cx: AsyncApp,
5137    ) -> Result<()> {
5138        this.update(&mut cx, |this, cx| {
5139            // Don't handle messages that were sent before the response to us joining the project
5140            if envelope.message_id > this.join_project_response_message_id {
5141                cx.update_global::<SettingsStore, _>(|store, cx| {
5142                    for worktree_metadata in &envelope.payload.worktrees {
5143                        store
5144                            .clear_local_settings(WorktreeId::from_proto(worktree_metadata.id), cx)
5145                            .log_err();
5146                    }
5147                });
5148
5149                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
5150            }
5151            Ok(())
5152        })
5153    }
5154
5155    async fn handle_toast(
5156        this: Entity<Self>,
5157        envelope: TypedEnvelope<proto::Toast>,
5158        mut cx: AsyncApp,
5159    ) -> Result<()> {
5160        this.update(&mut cx, |_, cx| {
5161            cx.emit(Event::Toast {
5162                notification_id: envelope.payload.notification_id.into(),
5163                message: envelope.payload.message,
5164                link: None,
5165            });
5166            Ok(())
5167        })
5168    }
5169
5170    async fn handle_language_server_prompt_request(
5171        this: Entity<Self>,
5172        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
5173        mut cx: AsyncApp,
5174    ) -> Result<proto::LanguageServerPromptResponse> {
5175        let (tx, rx) = smol::channel::bounded(1);
5176        let actions: Vec<_> = envelope
5177            .payload
5178            .actions
5179            .into_iter()
5180            .map(|action| MessageActionItem {
5181                title: action,
5182                properties: Default::default(),
5183            })
5184            .collect();
5185        this.update(&mut cx, |_, cx| {
5186            cx.emit(Event::LanguageServerPrompt(
5187                LanguageServerPromptRequest::new(
5188                    proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
5189                    envelope.payload.message,
5190                    actions.clone(),
5191                    envelope.payload.lsp_name,
5192                    tx,
5193                ),
5194            ));
5195
5196            anyhow::Ok(())
5197        })?;
5198
5199        // We drop `this` to avoid holding a reference in this future for too
5200        // long.
5201        // If we keep the reference, we might not drop the `Project` early
5202        // enough when closing a window and it will only get releases on the
5203        // next `flush_effects()` call.
5204        drop(this);
5205
5206        let mut rx = pin!(rx);
5207        let answer = rx.next().await;
5208
5209        Ok(LanguageServerPromptResponse {
5210            action_response: answer.and_then(|answer| {
5211                actions
5212                    .iter()
5213                    .position(|action| *action == answer)
5214                    .map(|index| index as u64)
5215            }),
5216        })
5217    }
5218
5219    async fn handle_hide_toast(
5220        this: Entity<Self>,
5221        envelope: TypedEnvelope<proto::HideToast>,
5222        mut cx: AsyncApp,
5223    ) -> Result<()> {
5224        this.update(&mut cx, |_, cx| {
5225            cx.emit(Event::HideToast {
5226                notification_id: envelope.payload.notification_id.into(),
5227            });
5228            Ok(())
5229        })
5230    }
5231
5232    // Collab sends UpdateWorktree protos as messages
5233    async fn handle_update_worktree(
5234        this: Entity<Self>,
5235        envelope: TypedEnvelope<proto::UpdateWorktree>,
5236        mut cx: AsyncApp,
5237    ) -> Result<()> {
5238        this.update(&mut cx, |project, cx| {
5239            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5240            if let Some(worktree) = project.worktree_for_id(worktree_id, cx) {
5241                worktree.update(cx, |worktree, _| {
5242                    let worktree = worktree.as_remote_mut().unwrap();
5243                    worktree.update_from_remote(envelope.payload);
5244                });
5245            }
5246            Ok(())
5247        })
5248    }
5249
5250    async fn handle_update_buffer_from_remote_server(
5251        this: Entity<Self>,
5252        envelope: TypedEnvelope<proto::UpdateBuffer>,
5253        cx: AsyncApp,
5254    ) -> Result<proto::Ack> {
5255        let buffer_store = this.read_with(&cx, |this, cx| {
5256            if let Some(remote_id) = this.remote_id() {
5257                let mut payload = envelope.payload.clone();
5258                payload.project_id = remote_id;
5259                cx.background_spawn(this.collab_client.request(payload))
5260                    .detach_and_log_err(cx);
5261            }
5262            this.buffer_store.clone()
5263        });
5264        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
5265    }
5266
5267    async fn handle_trust_worktrees(
5268        this: Entity<Self>,
5269        envelope: TypedEnvelope<proto::TrustWorktrees>,
5270        mut cx: AsyncApp,
5271    ) -> Result<proto::Ack> {
5272        if this.read_with(&cx, |project, _| project.is_via_collab()) {
5273            return Ok(proto::Ack {});
5274        }
5275
5276        let trusted_worktrees = cx
5277            .update(|cx| TrustedWorktrees::try_get_global(cx))
5278            .context("missing trusted worktrees")?;
5279        trusted_worktrees.update(&mut cx, |trusted_worktrees, cx| {
5280            trusted_worktrees.trust(
5281                &this.read(cx).worktree_store(),
5282                envelope
5283                    .payload
5284                    .trusted_paths
5285                    .into_iter()
5286                    .filter_map(|proto_path| PathTrust::from_proto(proto_path))
5287                    .collect(),
5288                cx,
5289            );
5290        });
5291        Ok(proto::Ack {})
5292    }
5293
5294    async fn handle_restrict_worktrees(
5295        this: Entity<Self>,
5296        envelope: TypedEnvelope<proto::RestrictWorktrees>,
5297        mut cx: AsyncApp,
5298    ) -> Result<proto::Ack> {
5299        if this.read_with(&cx, |project, _| project.is_via_collab()) {
5300            return Ok(proto::Ack {});
5301        }
5302
5303        let trusted_worktrees = cx
5304            .update(|cx| TrustedWorktrees::try_get_global(cx))
5305            .context("missing trusted worktrees")?;
5306        trusted_worktrees.update(&mut cx, |trusted_worktrees, cx| {
5307            let worktree_store = this.read(cx).worktree_store().downgrade();
5308            let restricted_paths = envelope
5309                .payload
5310                .worktree_ids
5311                .into_iter()
5312                .map(WorktreeId::from_proto)
5313                .map(PathTrust::Worktree)
5314                .collect::<HashSet<_>>();
5315            trusted_worktrees.restrict(worktree_store, restricted_paths, cx);
5316        });
5317        Ok(proto::Ack {})
5318    }
5319
5320    // Goes from host to client.
5321    async fn handle_find_search_candidates_chunk(
5322        this: Entity<Self>,
5323        envelope: TypedEnvelope<proto::FindSearchCandidatesChunk>,
5324        mut cx: AsyncApp,
5325    ) -> Result<proto::Ack> {
5326        let buffer_store = this.read_with(&mut cx, |this, _| this.buffer_store.clone());
5327        BufferStore::handle_find_search_candidates_chunk(buffer_store, envelope, cx).await
5328    }
5329
5330    // Goes from client to host.
5331    async fn handle_find_search_candidates_cancel(
5332        this: Entity<Self>,
5333        envelope: TypedEnvelope<proto::FindSearchCandidatesCancelled>,
5334        mut cx: AsyncApp,
5335    ) -> Result<()> {
5336        let buffer_store = this.read_with(&mut cx, |this, _| this.buffer_store.clone());
5337        BufferStore::handle_find_search_candidates_cancel(buffer_store, envelope, cx).await
5338    }
5339
5340    async fn handle_update_buffer(
5341        this: Entity<Self>,
5342        envelope: TypedEnvelope<proto::UpdateBuffer>,
5343        cx: AsyncApp,
5344    ) -> Result<proto::Ack> {
5345        let buffer_store = this.read_with(&cx, |this, cx| {
5346            if let Some(ssh) = &this.remote_client {
5347                let mut payload = envelope.payload.clone();
5348                payload.project_id = REMOTE_SERVER_PROJECT_ID;
5349                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
5350                    .detach_and_log_err(cx);
5351            }
5352            this.buffer_store.clone()
5353        });
5354        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
5355    }
5356
5357    fn retain_remotely_created_models(
5358        &mut self,
5359        cx: &mut Context<Self>,
5360    ) -> RemotelyCreatedModelGuard {
5361        Self::retain_remotely_created_models_impl(
5362            &self.remotely_created_models,
5363            &self.buffer_store,
5364            &self.worktree_store,
5365            cx,
5366        )
5367    }
5368
5369    fn retain_remotely_created_models_impl(
5370        models: &Arc<Mutex<RemotelyCreatedModels>>,
5371        buffer_store: &Entity<BufferStore>,
5372        worktree_store: &Entity<WorktreeStore>,
5373        cx: &mut App,
5374    ) -> RemotelyCreatedModelGuard {
5375        {
5376            let mut remotely_create_models = models.lock();
5377            if remotely_create_models.retain_count == 0 {
5378                remotely_create_models.buffers = buffer_store.read(cx).buffers().collect();
5379                remotely_create_models.worktrees = worktree_store.read(cx).worktrees().collect();
5380            }
5381            remotely_create_models.retain_count += 1;
5382        }
5383        RemotelyCreatedModelGuard {
5384            remote_models: Arc::downgrade(&models),
5385        }
5386    }
5387
5388    async fn handle_create_buffer_for_peer(
5389        this: Entity<Self>,
5390        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
5391        mut cx: AsyncApp,
5392    ) -> Result<()> {
5393        this.update(&mut cx, |this, cx| {
5394            this.buffer_store.update(cx, |buffer_store, cx| {
5395                buffer_store.handle_create_buffer_for_peer(
5396                    envelope,
5397                    this.replica_id(),
5398                    this.capability(),
5399                    cx,
5400                )
5401            })
5402        })
5403    }
5404
5405    async fn handle_toggle_lsp_logs(
5406        project: Entity<Self>,
5407        envelope: TypedEnvelope<proto::ToggleLspLogs>,
5408        mut cx: AsyncApp,
5409    ) -> Result<()> {
5410        let toggled_log_kind =
5411            match proto::toggle_lsp_logs::LogType::from_i32(envelope.payload.log_type)
5412                .context("invalid log type")?
5413            {
5414                proto::toggle_lsp_logs::LogType::Log => LogKind::Logs,
5415                proto::toggle_lsp_logs::LogType::Trace => LogKind::Trace,
5416                proto::toggle_lsp_logs::LogType::Rpc => LogKind::Rpc,
5417            };
5418        project.update(&mut cx, |_, cx| {
5419            cx.emit(Event::ToggleLspLogs {
5420                server_id: LanguageServerId::from_proto(envelope.payload.server_id),
5421                enabled: envelope.payload.enabled,
5422                toggled_log_kind,
5423            })
5424        });
5425        Ok(())
5426    }
5427
5428    async fn handle_synchronize_buffers(
5429        this: Entity<Self>,
5430        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
5431        mut cx: AsyncApp,
5432    ) -> Result<proto::SynchronizeBuffersResponse> {
5433        let response = this.update(&mut cx, |this, cx| {
5434            let client = this.collab_client.clone();
5435            this.buffer_store.update(cx, |this, cx| {
5436                this.handle_synchronize_buffers(envelope, cx, client)
5437            })
5438        })?;
5439
5440        Ok(response)
5441    }
5442
5443    // Goes from client to host.
5444    async fn handle_search_candidate_buffers(
5445        this: Entity<Self>,
5446        envelope: TypedEnvelope<proto::FindSearchCandidates>,
5447        mut cx: AsyncApp,
5448    ) -> Result<proto::Ack> {
5449        let peer_id = envelope.original_sender_id.unwrap_or(envelope.sender_id);
5450        let message = envelope.payload;
5451        let project_id = message.project_id;
5452        let path_style = this.read_with(&cx, |this, cx| this.path_style(cx));
5453        let query =
5454            SearchQuery::from_proto(message.query.context("missing query field")?, path_style)?;
5455
5456        let handle = message.handle;
5457        let buffer_store = this.read_with(&cx, |this, _| this.buffer_store().clone());
5458        let client = this.read_with(&cx, |this, _| this.client());
5459        let task = cx.spawn(async move |cx| {
5460            let results = this.update(cx, |this, cx| {
5461                this.search_impl(query, cx).matching_buffers(cx)
5462            });
5463            let (batcher, batches) = project_search::AdaptiveBatcher::new(cx.background_executor());
5464            let mut new_matches = Box::pin(results.rx);
5465
5466            let sender_task = cx.background_executor().spawn({
5467                let client = client.clone();
5468                async move {
5469                    let mut batches = std::pin::pin!(batches);
5470                    while let Some(buffer_ids) = batches.next().await {
5471                        client
5472                            .request(proto::FindSearchCandidatesChunk {
5473                                handle,
5474                                peer_id: Some(peer_id),
5475                                project_id,
5476                                variant: Some(
5477                                    proto::find_search_candidates_chunk::Variant::Matches(
5478                                        proto::FindSearchCandidatesMatches { buffer_ids },
5479                                    ),
5480                                ),
5481                            })
5482                            .await?;
5483                    }
5484                    anyhow::Ok(())
5485                }
5486            });
5487
5488            while let Some(buffer) = new_matches.next().await {
5489                let buffer_id = this.update(cx, |this, cx| {
5490                    this.create_buffer_for_peer(&buffer, peer_id, cx).to_proto()
5491                });
5492                batcher.push(buffer_id).await;
5493            }
5494            batcher.flush().await;
5495
5496            sender_task.await?;
5497
5498            let _ = client
5499                .request(proto::FindSearchCandidatesChunk {
5500                    handle,
5501                    peer_id: Some(peer_id),
5502                    project_id,
5503                    variant: Some(proto::find_search_candidates_chunk::Variant::Done(
5504                        proto::FindSearchCandidatesDone {},
5505                    )),
5506                })
5507                .await?;
5508            anyhow::Ok(())
5509        });
5510        buffer_store.update(&mut cx, |this, _| {
5511            this.register_ongoing_project_search((peer_id, handle), task);
5512        });
5513
5514        Ok(proto::Ack {})
5515    }
5516
5517    async fn handle_open_buffer_by_id(
5518        this: Entity<Self>,
5519        envelope: TypedEnvelope<proto::OpenBufferById>,
5520        mut cx: AsyncApp,
5521    ) -> Result<proto::OpenBufferResponse> {
5522        let peer_id = envelope.original_sender_id()?;
5523        let buffer_id = BufferId::new(envelope.payload.id)?;
5524        let buffer = this
5525            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))
5526            .await?;
5527        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5528    }
5529
5530    async fn handle_open_buffer_by_path(
5531        this: Entity<Self>,
5532        envelope: TypedEnvelope<proto::OpenBufferByPath>,
5533        mut cx: AsyncApp,
5534    ) -> Result<proto::OpenBufferResponse> {
5535        let peer_id = envelope.original_sender_id()?;
5536        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5537        let path = RelPath::from_proto(&envelope.payload.path)?;
5538        let open_buffer = this
5539            .update(&mut cx, |this, cx| {
5540                this.open_buffer(ProjectPath { worktree_id, path }, cx)
5541            })
5542            .await?;
5543        Project::respond_to_open_buffer_request(this, open_buffer, peer_id, &mut cx)
5544    }
5545
5546    async fn handle_open_new_buffer(
5547        this: Entity<Self>,
5548        envelope: TypedEnvelope<proto::OpenNewBuffer>,
5549        mut cx: AsyncApp,
5550    ) -> Result<proto::OpenBufferResponse> {
5551        let buffer = this
5552            .update(&mut cx, |this, cx| this.create_buffer(None, true, cx))
5553            .await?;
5554        let peer_id = envelope.original_sender_id()?;
5555
5556        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5557    }
5558
5559    fn respond_to_open_buffer_request(
5560        this: Entity<Self>,
5561        buffer: Entity<Buffer>,
5562        peer_id: proto::PeerId,
5563        cx: &mut AsyncApp,
5564    ) -> Result<proto::OpenBufferResponse> {
5565        this.update(cx, |this, cx| {
5566            let is_private = buffer
5567                .read(cx)
5568                .file()
5569                .map(|f| f.is_private())
5570                .unwrap_or_default();
5571            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
5572            Ok(proto::OpenBufferResponse {
5573                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
5574            })
5575        })
5576    }
5577
5578    fn create_buffer_for_peer(
5579        &mut self,
5580        buffer: &Entity<Buffer>,
5581        peer_id: proto::PeerId,
5582        cx: &mut App,
5583    ) -> BufferId {
5584        self.buffer_store
5585            .update(cx, |buffer_store, cx| {
5586                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
5587            })
5588            .detach_and_log_err(cx);
5589        buffer.read(cx).remote_id()
5590    }
5591
5592    async fn handle_create_image_for_peer(
5593        this: Entity<Self>,
5594        envelope: TypedEnvelope<proto::CreateImageForPeer>,
5595        mut cx: AsyncApp,
5596    ) -> Result<()> {
5597        this.update(&mut cx, |this, cx| {
5598            this.image_store.update(cx, |image_store, cx| {
5599                image_store.handle_create_image_for_peer(envelope, cx)
5600            })
5601        })
5602    }
5603
5604    async fn handle_create_file_for_peer(
5605        this: Entity<Self>,
5606        envelope: TypedEnvelope<proto::CreateFileForPeer>,
5607        mut cx: AsyncApp,
5608    ) -> Result<()> {
5609        use proto::create_file_for_peer::Variant;
5610        log::debug!("handle_create_file_for_peer: received message");
5611
5612        let downloading_files: Arc<Mutex<HashMap<(WorktreeId, String), DownloadingFile>>> =
5613            this.update(&mut cx, |this, _| this.downloading_files.clone());
5614
5615        match &envelope.payload.variant {
5616            Some(Variant::State(state)) => {
5617                log::debug!(
5618                    "handle_create_file_for_peer: got State: id={}, content_size={}",
5619                    state.id,
5620                    state.content_size
5621                );
5622
5623                // Extract worktree_id and path from the File field
5624                if let Some(ref file) = state.file {
5625                    let worktree_id = WorktreeId::from_proto(file.worktree_id);
5626                    let path = file.path.clone();
5627                    let key = (worktree_id, path);
5628                    log::debug!("handle_create_file_for_peer: looking up key={:?}", key);
5629
5630                    let empty_file_destination: Option<PathBuf> = {
5631                        let mut files = downloading_files.lock();
5632                        log::trace!(
5633                            "handle_create_file_for_peer: current downloading_files keys: {:?}",
5634                            files.keys().collect::<Vec<_>>()
5635                        );
5636
5637                        if let Some(file_entry) = files.get_mut(&key) {
5638                            file_entry.total_size = state.content_size;
5639                            file_entry.file_id = Some(state.id);
5640                            log::debug!(
5641                                "handle_create_file_for_peer: updated file entry: total_size={}, file_id={}",
5642                                state.content_size,
5643                                state.id
5644                            );
5645                        } else {
5646                            log::warn!(
5647                                "handle_create_file_for_peer: key={:?} not found in downloading_files",
5648                                key
5649                            );
5650                        }
5651
5652                        if state.content_size == 0 {
5653                            // No chunks will arrive for an empty file; write it now.
5654                            files.remove(&key).map(|entry| entry.destination_path)
5655                        } else {
5656                            None
5657                        }
5658                    };
5659
5660                    if let Some(destination) = empty_file_destination {
5661                        log::debug!(
5662                            "handle_create_file_for_peer: writing empty file to {:?}",
5663                            destination
5664                        );
5665                        match smol::fs::write(&destination, &[] as &[u8]).await {
5666                            Ok(_) => log::info!(
5667                                "handle_create_file_for_peer: successfully wrote file to {:?}",
5668                                destination
5669                            ),
5670                            Err(e) => log::error!(
5671                                "handle_create_file_for_peer: failed to write empty file: {:?}",
5672                                e
5673                            ),
5674                        }
5675                    }
5676                } else {
5677                    log::warn!("handle_create_file_for_peer: State has no file field");
5678                }
5679            }
5680            Some(Variant::Chunk(chunk)) => {
5681                log::debug!(
5682                    "handle_create_file_for_peer: got Chunk: file_id={}, data_len={}",
5683                    chunk.file_id,
5684                    chunk.data.len()
5685                );
5686
5687                // Extract data while holding the lock, then release it before await
5688                let (key_to_remove, write_info): (
5689                    Option<(WorktreeId, String)>,
5690                    Option<(PathBuf, Vec<u8>)>,
5691                ) = {
5692                    let mut files = downloading_files.lock();
5693                    let mut found_key: Option<(WorktreeId, String)> = None;
5694                    let mut write_data: Option<(PathBuf, Vec<u8>)> = None;
5695
5696                    for (key, file_entry) in files.iter_mut() {
5697                        if file_entry.file_id == Some(chunk.file_id) {
5698                            file_entry.chunks.extend_from_slice(&chunk.data);
5699                            log::debug!(
5700                                "handle_create_file_for_peer: accumulated {} bytes, total_size={}",
5701                                file_entry.chunks.len(),
5702                                file_entry.total_size
5703                            );
5704
5705                            if file_entry.chunks.len() as u64 >= file_entry.total_size
5706                                && file_entry.total_size > 0
5707                            {
5708                                let destination = file_entry.destination_path.clone();
5709                                let content = std::mem::take(&mut file_entry.chunks);
5710                                found_key = Some(key.clone());
5711                                write_data = Some((destination, content));
5712                            }
5713                            break;
5714                        }
5715                    }
5716                    (found_key, write_data)
5717                }; // MutexGuard is dropped here
5718
5719                // Perform the async write outside the lock
5720                if let Some((destination, content)) = write_info {
5721                    log::debug!(
5722                        "handle_create_file_for_peer: writing {} bytes to {:?}",
5723                        content.len(),
5724                        destination
5725                    );
5726                    match smol::fs::write(&destination, &content).await {
5727                        Ok(_) => log::info!(
5728                            "handle_create_file_for_peer: successfully wrote file to {:?}",
5729                            destination
5730                        ),
5731                        Err(e) => log::error!(
5732                            "handle_create_file_for_peer: failed to write file: {:?}",
5733                            e
5734                        ),
5735                    }
5736                }
5737
5738                // Remove the completed entry
5739                if let Some(key) = key_to_remove {
5740                    downloading_files.lock().remove(&key);
5741                    log::debug!("handle_create_file_for_peer: removed completed download entry");
5742                }
5743            }
5744            None => {
5745                log::warn!("handle_create_file_for_peer: got None variant");
5746            }
5747        }
5748
5749        Ok(())
5750    }
5751
5752    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
5753        let project_id = match self.client_state {
5754            ProjectClientState::Collab {
5755                sharing_has_stopped,
5756                remote_id,
5757                ..
5758            } => {
5759                if sharing_has_stopped {
5760                    return Task::ready(Err(anyhow!(
5761                        "can't synchronize remote buffers on a readonly project"
5762                    )));
5763                } else {
5764                    remote_id
5765                }
5766            }
5767            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
5768                return Task::ready(Err(anyhow!(
5769                    "can't synchronize remote buffers on a local project"
5770                )));
5771            }
5772        };
5773
5774        let client = self.collab_client.clone();
5775        cx.spawn(async move |this, cx| {
5776            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
5777                this.buffer_store.read(cx).buffer_version_info(cx)
5778            })?;
5779            let response = client
5780                .request(proto::SynchronizeBuffers {
5781                    project_id,
5782                    buffers,
5783                })
5784                .await?;
5785
5786            let send_updates_for_buffers = this.update(cx, |this, cx| {
5787                response
5788                    .buffers
5789                    .into_iter()
5790                    .map(|buffer| {
5791                        let client = client.clone();
5792                        let buffer_id = match BufferId::new(buffer.id) {
5793                            Ok(id) => id,
5794                            Err(e) => {
5795                                return Task::ready(Err(e));
5796                            }
5797                        };
5798                        let remote_version = language::proto::deserialize_version(&buffer.version);
5799                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
5800                            let operations =
5801                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
5802                            cx.background_spawn(async move {
5803                                let operations = operations.await;
5804                                for chunk in split_operations(operations) {
5805                                    client
5806                                        .request(proto::UpdateBuffer {
5807                                            project_id,
5808                                            buffer_id: buffer_id.into(),
5809                                            operations: chunk,
5810                                        })
5811                                        .await?;
5812                                }
5813                                anyhow::Ok(())
5814                            })
5815                        } else {
5816                            Task::ready(Ok(()))
5817                        }
5818                    })
5819                    .collect::<Vec<_>>()
5820            })?;
5821
5822            // Any incomplete buffers have open requests waiting. Request that the host sends
5823            // creates these buffers for us again to unblock any waiting futures.
5824            for id in incomplete_buffer_ids {
5825                cx.background_spawn(client.request(proto::OpenBufferById {
5826                    project_id,
5827                    id: id.into(),
5828                }))
5829                .detach();
5830            }
5831
5832            futures::future::join_all(send_updates_for_buffers)
5833                .await
5834                .into_iter()
5835                .collect()
5836        })
5837    }
5838
5839    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
5840        self.worktree_store.read(cx).worktree_metadata_protos(cx)
5841    }
5842
5843    /// Iterator of all open buffers that have unsaved changes
5844    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
5845        self.buffer_store.read(cx).buffers().filter_map(|buf| {
5846            let buf = buf.read(cx);
5847            if buf.is_dirty() {
5848                buf.project_path(cx)
5849            } else {
5850                None
5851            }
5852        })
5853    }
5854
5855    fn set_worktrees_from_proto(
5856        &mut self,
5857        worktrees: Vec<proto::WorktreeMetadata>,
5858        cx: &mut Context<Project>,
5859    ) -> Result<()> {
5860        self.worktree_store.update(cx, |worktree_store, cx| {
5861            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
5862        })
5863    }
5864
5865    fn set_collaborators_from_proto(
5866        &mut self,
5867        messages: Vec<proto::Collaborator>,
5868        cx: &mut Context<Self>,
5869    ) -> Result<()> {
5870        let mut collaborators = HashMap::default();
5871        for message in messages {
5872            let collaborator = Collaborator::from_proto(message)?;
5873            collaborators.insert(collaborator.peer_id, collaborator);
5874        }
5875        for old_peer_id in self.collaborators.keys() {
5876            if !collaborators.contains_key(old_peer_id) {
5877                cx.emit(Event::CollaboratorLeft(*old_peer_id));
5878            }
5879        }
5880        self.collaborators = collaborators;
5881        Ok(())
5882    }
5883
5884    pub fn supplementary_language_servers<'a>(
5885        &'a self,
5886        cx: &'a App,
5887    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5888        self.lsp_store.read(cx).supplementary_language_servers()
5889    }
5890
5891    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5892        let Some(language) = buffer.language().cloned() else {
5893            return false;
5894        };
5895        self.lsp_store.update(cx, |lsp_store, _| {
5896            let relevant_language_servers = lsp_store
5897                .languages
5898                .lsp_adapters(&language.name())
5899                .into_iter()
5900                .map(|lsp_adapter| lsp_adapter.name())
5901                .collect::<HashSet<_>>();
5902            lsp_store
5903                .language_server_statuses()
5904                .filter_map(|(server_id, server_status)| {
5905                    relevant_language_servers
5906                        .contains(&server_status.name)
5907                        .then_some(server_id)
5908                })
5909                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5910                .any(InlayHints::check_capabilities)
5911        })
5912    }
5913
5914    pub fn any_language_server_supports_semantic_tokens(
5915        &self,
5916        buffer: &Buffer,
5917        cx: &mut App,
5918    ) -> bool {
5919        let Some(language) = buffer.language().cloned() else {
5920            return false;
5921        };
5922        let lsp_store = self.lsp_store.read(cx);
5923        let relevant_language_servers = lsp_store
5924            .languages
5925            .lsp_adapters(&language.name())
5926            .into_iter()
5927            .map(|lsp_adapter| lsp_adapter.name())
5928            .collect::<HashSet<_>>();
5929        lsp_store
5930            .language_server_statuses()
5931            .filter_map(|(server_id, server_status)| {
5932                relevant_language_servers
5933                    .contains(&server_status.name)
5934                    .then_some(server_id)
5935            })
5936            .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5937            .any(|capabilities| capabilities.semantic_tokens_provider.is_some())
5938    }
5939
5940    pub fn language_server_id_for_name(
5941        &self,
5942        buffer: &Buffer,
5943        name: &LanguageServerName,
5944        cx: &App,
5945    ) -> Option<LanguageServerId> {
5946        let language = buffer.language()?;
5947        let relevant_language_servers = self
5948            .languages
5949            .lsp_adapters(&language.name())
5950            .into_iter()
5951            .map(|lsp_adapter| lsp_adapter.name())
5952            .collect::<HashSet<_>>();
5953        if !relevant_language_servers.contains(name) {
5954            return None;
5955        }
5956        self.language_server_statuses(cx)
5957            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5958            .find_map(|(server_id, server_status)| {
5959                if &server_status.name == name {
5960                    Some(server_id)
5961                } else {
5962                    None
5963                }
5964            })
5965    }
5966
5967    #[cfg(feature = "test-support")]
5968    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5969        self.lsp_store.update(cx, |this, cx| {
5970            this.running_language_servers_for_local_buffer(buffer, cx)
5971                .next()
5972                .is_some()
5973        })
5974    }
5975
5976    pub fn git_init(
5977        &self,
5978        path: Arc<Path>,
5979        fallback_branch_name: String,
5980        cx: &App,
5981    ) -> Task<Result<()>> {
5982        self.git_store
5983            .read(cx)
5984            .git_init(path, fallback_branch_name, cx)
5985    }
5986
5987    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5988        &self.buffer_store
5989    }
5990
5991    pub fn git_store(&self) -> &Entity<GitStore> {
5992        &self.git_store
5993    }
5994
5995    pub fn agent_server_store(&self) -> &Entity<AgentServerStore> {
5996        &self.agent_server_store
5997    }
5998
5999    #[cfg(feature = "test-support")]
6000    pub fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
6001        use futures::future::join_all;
6002        cx.spawn(async move |this, cx| {
6003            let scans_complete = this
6004                .read_with(cx, |this, cx| {
6005                    this.worktrees(cx)
6006                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
6007                        .collect::<Vec<_>>()
6008                })
6009                .unwrap();
6010            join_all(scans_complete).await;
6011            let barriers = this
6012                .update(cx, |this, cx| {
6013                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
6014                    repos
6015                        .into_iter()
6016                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
6017                        .collect::<Vec<_>>()
6018                })
6019                .unwrap();
6020            join_all(barriers).await;
6021        })
6022    }
6023
6024    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
6025        self.git_store.read(cx).active_repository()
6026    }
6027
6028    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
6029        self.git_store.read(cx).repositories()
6030    }
6031
6032    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
6033        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
6034    }
6035
6036    pub fn set_agent_location(
6037        &mut self,
6038        new_location: Option<AgentLocation>,
6039        cx: &mut Context<Self>,
6040    ) {
6041        if let Some(old_location) = self.agent_location.as_ref() {
6042            old_location
6043                .buffer
6044                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
6045                .ok();
6046        }
6047
6048        if let Some(location) = new_location.as_ref() {
6049            location
6050                .buffer
6051                .update(cx, |buffer, cx| {
6052                    buffer.set_agent_selections(
6053                        Arc::from([language::Selection {
6054                            id: 0,
6055                            start: location.position,
6056                            end: location.position,
6057                            reversed: false,
6058                            goal: language::SelectionGoal::None,
6059                        }]),
6060                        false,
6061                        CursorShape::Hollow,
6062                        cx,
6063                    )
6064                })
6065                .ok();
6066        }
6067
6068        self.agent_location = new_location;
6069        cx.emit(Event::AgentLocationChanged);
6070    }
6071
6072    pub fn agent_location(&self) -> Option<AgentLocation> {
6073        self.agent_location.clone()
6074    }
6075
6076    pub fn path_style(&self, cx: &App) -> PathStyle {
6077        self.worktree_store.read(cx).path_style()
6078    }
6079
6080    pub fn contains_local_settings_file(
6081        &self,
6082        worktree_id: WorktreeId,
6083        rel_path: &RelPath,
6084        cx: &App,
6085    ) -> bool {
6086        self.worktree_for_id(worktree_id, cx)
6087            .map_or(false, |worktree| {
6088                worktree.read(cx).entry_for_path(rel_path).is_some()
6089            })
6090    }
6091}
6092
6093/// Identifies a project group by a set of paths the workspaces in this group
6094/// have.
6095///
6096/// Paths are mapped to their main worktree path first so we can group
6097/// workspaces by main repos.
6098#[derive(PartialEq, Eq, Hash, Clone, Debug)]
6099pub struct ProjectGroupKey {
6100    /// The paths of the main worktrees for this project group.
6101    paths: PathList,
6102    host: Option<RemoteConnectionOptions>,
6103}
6104
6105impl ProjectGroupKey {
6106    /// Creates a new `ProjectGroupKey` with the given path list.
6107    ///
6108    /// The path list should point to the git main worktree paths for a project.
6109    pub fn new(host: Option<RemoteConnectionOptions>, paths: PathList) -> Self {
6110        Self { paths, host }
6111    }
6112
6113    pub fn display_name(&self) -> SharedString {
6114        let mut names = Vec::with_capacity(self.paths.paths().len());
6115        for abs_path in self.paths.paths() {
6116            if let Some(name) = abs_path.file_name() {
6117                names.push(name.to_string_lossy().to_string());
6118            }
6119        }
6120        if names.is_empty() {
6121            // TODO: Can we do something better in this case?
6122            "Empty Workspace".into()
6123        } else {
6124            names.join(", ").into()
6125        }
6126    }
6127
6128    pub fn path_list(&self) -> &PathList {
6129        &self.paths
6130    }
6131
6132    pub fn host(&self) -> Option<RemoteConnectionOptions> {
6133        self.host.clone()
6134    }
6135}
6136
6137pub struct PathMatchCandidateSet {
6138    pub snapshot: Snapshot,
6139    pub include_ignored: bool,
6140    pub include_root_name: bool,
6141    pub candidates: Candidates,
6142}
6143
6144pub enum Candidates {
6145    /// Only consider directories.
6146    Directories,
6147    /// Only consider files.
6148    Files,
6149    /// Consider directories and files.
6150    Entries,
6151}
6152
6153impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
6154    type Candidates = PathMatchCandidateSetIter<'a>;
6155
6156    fn id(&self) -> usize {
6157        self.snapshot.id().to_usize()
6158    }
6159
6160    fn len(&self) -> usize {
6161        match self.candidates {
6162            Candidates::Files => {
6163                if self.include_ignored {
6164                    self.snapshot.file_count()
6165                } else {
6166                    self.snapshot.visible_file_count()
6167                }
6168            }
6169
6170            Candidates::Directories => {
6171                if self.include_ignored {
6172                    self.snapshot.dir_count()
6173                } else {
6174                    self.snapshot.visible_dir_count()
6175                }
6176            }
6177
6178            Candidates::Entries => {
6179                if self.include_ignored {
6180                    self.snapshot.entry_count()
6181                } else {
6182                    self.snapshot.visible_entry_count()
6183                }
6184            }
6185        }
6186    }
6187
6188    fn prefix(&self) -> Arc<RelPath> {
6189        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
6190            self.snapshot.root_name().into()
6191        } else {
6192            RelPath::empty().into()
6193        }
6194    }
6195
6196    fn root_is_file(&self) -> bool {
6197        self.snapshot.root_entry().is_some_and(|f| f.is_file())
6198    }
6199
6200    fn path_style(&self) -> PathStyle {
6201        self.snapshot.path_style()
6202    }
6203
6204    fn candidates(&'a self, start: usize) -> Self::Candidates {
6205        PathMatchCandidateSetIter {
6206            traversal: match self.candidates {
6207                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
6208                Candidates::Files => self.snapshot.files(self.include_ignored, start),
6209                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
6210            },
6211        }
6212    }
6213}
6214
6215pub struct PathMatchCandidateSetIter<'a> {
6216    traversal: Traversal<'a>,
6217}
6218
6219impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
6220    type Item = fuzzy::PathMatchCandidate<'a>;
6221
6222    fn next(&mut self) -> Option<Self::Item> {
6223        self.traversal
6224            .next()
6225            .map(|entry| fuzzy::PathMatchCandidate {
6226                is_dir: entry.kind.is_dir(),
6227                path: &entry.path,
6228                char_bag: entry.char_bag,
6229            })
6230    }
6231}
6232
6233impl<'a> fuzzy_nucleo::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
6234    type Candidates = PathMatchCandidateSetNucleoIter<'a>;
6235    fn id(&self) -> usize {
6236        self.snapshot.id().to_usize()
6237    }
6238    fn len(&self) -> usize {
6239        match self.candidates {
6240            Candidates::Files => {
6241                if self.include_ignored {
6242                    self.snapshot.file_count()
6243                } else {
6244                    self.snapshot.visible_file_count()
6245                }
6246            }
6247            Candidates::Directories => {
6248                if self.include_ignored {
6249                    self.snapshot.dir_count()
6250                } else {
6251                    self.snapshot.visible_dir_count()
6252                }
6253            }
6254            Candidates::Entries => {
6255                if self.include_ignored {
6256                    self.snapshot.entry_count()
6257                } else {
6258                    self.snapshot.visible_entry_count()
6259                }
6260            }
6261        }
6262    }
6263    fn prefix(&self) -> Arc<RelPath> {
6264        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
6265            self.snapshot.root_name().into()
6266        } else {
6267            RelPath::empty().into()
6268        }
6269    }
6270    fn root_is_file(&self) -> bool {
6271        self.snapshot.root_entry().is_some_and(|f| f.is_file())
6272    }
6273    fn path_style(&self) -> PathStyle {
6274        self.snapshot.path_style()
6275    }
6276    fn candidates(&'a self, start: usize) -> Self::Candidates {
6277        PathMatchCandidateSetNucleoIter {
6278            traversal: match self.candidates {
6279                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
6280                Candidates::Files => self.snapshot.files(self.include_ignored, start),
6281                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
6282            },
6283        }
6284    }
6285}
6286
6287pub struct PathMatchCandidateSetNucleoIter<'a> {
6288    traversal: Traversal<'a>,
6289}
6290
6291impl<'a> Iterator for PathMatchCandidateSetNucleoIter<'a> {
6292    type Item = fuzzy_nucleo::PathMatchCandidate<'a>;
6293    fn next(&mut self) -> Option<Self::Item> {
6294        self.traversal
6295            .next()
6296            .map(|entry| fuzzy_nucleo::PathMatchCandidate {
6297                is_dir: entry.kind.is_dir(),
6298                path: &entry.path,
6299            })
6300    }
6301}
6302
6303impl EventEmitter<Event> for Project {}
6304
6305impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
6306    fn from(val: &'a ProjectPath) -> Self {
6307        SettingsLocation {
6308            worktree_id: val.worktree_id,
6309            path: val.path.as_ref(),
6310        }
6311    }
6312}
6313
6314impl<P: Into<Arc<RelPath>>> From<(WorktreeId, P)> for ProjectPath {
6315    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
6316        Self {
6317            worktree_id,
6318            path: path.into(),
6319        }
6320    }
6321}
6322
6323/// ResolvedPath is a path that has been resolved to either a ProjectPath
6324/// or an AbsPath and that *exists*.
6325#[derive(Debug, Clone)]
6326pub enum ResolvedPath {
6327    ProjectPath {
6328        project_path: ProjectPath,
6329        is_dir: bool,
6330    },
6331    AbsPath {
6332        path: String,
6333        is_dir: bool,
6334    },
6335}
6336
6337impl ResolvedPath {
6338    pub fn abs_path(&self) -> Option<&str> {
6339        match self {
6340            Self::AbsPath { path, .. } => Some(path),
6341            _ => None,
6342        }
6343    }
6344
6345    pub fn into_abs_path(self) -> Option<String> {
6346        match self {
6347            Self::AbsPath { path, .. } => Some(path),
6348            _ => None,
6349        }
6350    }
6351
6352    pub fn project_path(&self) -> Option<&ProjectPath> {
6353        match self {
6354            Self::ProjectPath { project_path, .. } => Some(project_path),
6355            _ => None,
6356        }
6357    }
6358
6359    pub fn is_file(&self) -> bool {
6360        !self.is_dir()
6361    }
6362
6363    pub fn is_dir(&self) -> bool {
6364        match self {
6365            Self::ProjectPath { is_dir, .. } => *is_dir,
6366            Self::AbsPath { is_dir, .. } => *is_dir,
6367        }
6368    }
6369}
6370
6371impl ProjectItem for Buffer {
6372    fn try_open(
6373        project: &Entity<Project>,
6374        path: &ProjectPath,
6375        cx: &mut App,
6376    ) -> Option<Task<Result<Entity<Self>>>> {
6377        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
6378    }
6379
6380    fn entry_id(&self, _cx: &App) -> Option<ProjectEntryId> {
6381        File::from_dyn(self.file()).and_then(|file| file.project_entry_id())
6382    }
6383
6384    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
6385        let file = self.file()?;
6386
6387        (!matches!(file.disk_state(), DiskState::Historic { .. })).then(|| ProjectPath {
6388            worktree_id: file.worktree_id(cx),
6389            path: file.path().clone(),
6390        })
6391    }
6392
6393    fn is_dirty(&self) -> bool {
6394        self.is_dirty()
6395    }
6396}
6397
6398impl Completion {
6399    pub fn kind(&self) -> Option<CompletionItemKind> {
6400        self.source
6401            // `lsp::CompletionListItemDefaults` has no `kind` field
6402            .lsp_completion(false)
6403            .and_then(|lsp_completion| lsp_completion.kind)
6404    }
6405
6406    pub fn label(&self) -> Option<String> {
6407        self.source
6408            .lsp_completion(false)
6409            .map(|lsp_completion| lsp_completion.label.clone())
6410    }
6411
6412    /// A key that can be used to sort completions when displaying
6413    /// them to the user.
6414    pub fn sort_key(&self) -> (usize, &str) {
6415        const DEFAULT_KIND_KEY: usize = 4;
6416        let kind_key = self
6417            .kind()
6418            .and_then(|lsp_completion_kind| match lsp_completion_kind {
6419                lsp::CompletionItemKind::KEYWORD => Some(0),
6420                lsp::CompletionItemKind::VARIABLE => Some(1),
6421                lsp::CompletionItemKind::CONSTANT => Some(2),
6422                lsp::CompletionItemKind::PROPERTY => Some(3),
6423                _ => None,
6424            })
6425            .unwrap_or(DEFAULT_KIND_KEY);
6426        (kind_key, self.label.filter_text())
6427    }
6428
6429    /// Whether this completion is a snippet.
6430    pub fn is_snippet_kind(&self) -> bool {
6431        matches!(
6432            &self.source,
6433            CompletionSource::Lsp { lsp_completion, .. }
6434            if lsp_completion.kind == Some(CompletionItemKind::SNIPPET)
6435        )
6436    }
6437
6438    /// Whether this completion is a snippet or snippet-style LSP completion.
6439    pub fn is_snippet(&self) -> bool {
6440        self.source
6441            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
6442            .lsp_completion(true)
6443            .is_some_and(|lsp_completion| {
6444                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
6445            })
6446    }
6447
6448    /// Returns the corresponding color for this completion.
6449    ///
6450    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
6451    pub fn color(&self) -> Option<Hsla> {
6452        // `lsp::CompletionListItemDefaults` has no `kind` field
6453        let lsp_completion = self.source.lsp_completion(false)?;
6454        if lsp_completion.kind? == CompletionItemKind::COLOR {
6455            return color_extractor::extract_color(&lsp_completion);
6456        }
6457        None
6458    }
6459}
6460
6461fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
6462    match level {
6463        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
6464        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
6465        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
6466    }
6467}
6468
6469fn provide_inline_values(
6470    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
6471    snapshot: &language::BufferSnapshot,
6472    max_row: usize,
6473) -> Vec<InlineValueLocation> {
6474    let mut variables = Vec::new();
6475    let mut variable_position = HashSet::default();
6476    let mut scopes = Vec::new();
6477
6478    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
6479
6480    for (capture_range, capture_kind) in captures {
6481        match capture_kind {
6482            language::DebuggerTextObject::Variable => {
6483                let variable_name = snapshot
6484                    .text_for_range(capture_range.clone())
6485                    .collect::<String>();
6486                let point = snapshot.offset_to_point(capture_range.end);
6487
6488                while scopes
6489                    .last()
6490                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
6491                {
6492                    scopes.pop();
6493                }
6494
6495                if point.row as usize > max_row {
6496                    break;
6497                }
6498
6499                let scope = if scopes
6500                    .last()
6501                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
6502                {
6503                    VariableScope::Global
6504                } else {
6505                    VariableScope::Local
6506                };
6507
6508                if variable_position.insert(capture_range.end) {
6509                    variables.push(InlineValueLocation {
6510                        variable_name,
6511                        scope,
6512                        lookup: VariableLookupKind::Variable,
6513                        row: point.row as usize,
6514                        column: point.column as usize,
6515                    });
6516                }
6517            }
6518            language::DebuggerTextObject::Scope => {
6519                while scopes.last().map_or_else(
6520                    || false,
6521                    |scope: &Range<usize>| {
6522                        !(scope.contains(&capture_range.start)
6523                            && scope.contains(&capture_range.end))
6524                    },
6525                ) {
6526                    scopes.pop();
6527                }
6528                scopes.push(capture_range);
6529            }
6530        }
6531    }
6532
6533    variables
6534}