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