project.rs

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