project.rs

   1pub mod buffer_store;
   2mod color_extractor;
   3pub mod connection_manager;
   4pub mod context_server_store;
   5pub mod debounced_delay;
   6pub mod debugger;
   7pub mod git_store;
   8pub mod image_store;
   9pub mod lsp_command;
  10pub mod lsp_store;
  11mod manifest_tree;
  12pub mod prettier_store;
  13pub mod project_settings;
  14pub mod search;
  15mod task_inventory;
  16pub mod task_store;
  17pub mod terminals;
  18pub mod toolchain_store;
  19pub mod worktree_store;
  20
  21#[cfg(test)]
  22mod project_tests;
  23
  24mod direnv;
  25mod environment;
  26use buffer_diff::BufferDiff;
  27use context_server_store::ContextServerStore;
  28pub use environment::{EnvironmentErrorMessage, ProjectEnvironmentEvent};
  29use git_store::{Repository, RepositoryId};
  30pub mod search_history;
  31mod yarn;
  32
  33use crate::git_store::GitStore;
  34pub use git_store::{
  35    ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate,
  36    git_traversal::{ChildEntriesGitIter, GitEntry, GitEntryRef, GitTraversal},
  37};
  38
  39use anyhow::{Context as _, Result, anyhow};
  40use buffer_store::{BufferStore, BufferStoreEvent};
  41use client::{
  42    Client, Collaborator, PendingEntitySubscription, ProjectId, TypedEnvelope, UserStore, proto,
  43};
  44use clock::ReplicaId;
  45
  46use dap::{DapRegistry, client::DebugAdapterClient};
  47
  48use collections::{BTreeSet, HashMap, HashSet};
  49use debounced_delay::DebouncedDelay;
  50pub use debugger::breakpoint_store::BreakpointWithPosition;
  51use debugger::{
  52    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  53    dap_store::{DapStore, DapStoreEvent},
  54    session::Session,
  55};
  56pub use environment::ProjectEnvironment;
  57#[cfg(test)]
  58use futures::future::join_all;
  59use futures::{
  60    StreamExt,
  61    channel::mpsc::{self, UnboundedReceiver},
  62    future::{Shared, try_join_all},
  63};
  64pub use image_store::{ImageItem, ImageStore};
  65use image_store::{ImageItemEvent, ImageStoreEvent};
  66
  67use ::git::{blame::Blame, status::FileStatus};
  68use gpui::{
  69    AnyEntity, App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla,
  70    SharedString, Task, WeakEntity, Window,
  71};
  72use itertools::Itertools;
  73use language::{
  74    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, Language, LanguageName,
  75    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainList, Transaction,
  76    Unclipped, language_settings::InlayHintKind, proto::split_operations,
  77};
  78use lsp::{
  79    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  80    LanguageServerId, LanguageServerName, MessageActionItem,
  81};
  82use lsp_command::*;
  83use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
  84pub use manifest_tree::ManifestProviders;
  85use node_runtime::NodeRuntime;
  86use parking_lot::Mutex;
  87pub use prettier_store::PrettierStore;
  88use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
  89use remote::{SshConnectionOptions, SshRemoteClient};
  90use rpc::{
  91    AnyProtoClient, ErrorCode,
  92    proto::{FromProto, LanguageServerPromptResponse, SSH_PROJECT_ID, ToProto},
  93};
  94use search::{SearchInputKind, SearchQuery, SearchResult};
  95use search_history::SearchHistory;
  96use settings::{InvalidSettingsError, Settings, SettingsLocation, SettingsStore};
  97use smol::channel::Receiver;
  98use snippet::Snippet;
  99use snippet_provider::SnippetProvider;
 100use std::{
 101    borrow::Cow,
 102    ops::Range,
 103    path::{Component, Path, PathBuf},
 104    pin::pin,
 105    str,
 106    sync::Arc,
 107    time::Duration,
 108};
 109
 110use task_store::TaskStore;
 111use terminals::Terminals;
 112use text::{Anchor, BufferId};
 113use toolchain_store::EmptyToolchainStore;
 114use util::{
 115    ResultExt as _,
 116    paths::{SanitizedPath, compare_paths},
 117};
 118use worktree::{CreatedEntry, Snapshot, Traversal};
 119pub use worktree::{
 120    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 121    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 122};
 123use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 124
 125pub use fs::*;
 126pub use language::Location;
 127#[cfg(any(test, feature = "test-support"))]
 128pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 129pub use task_inventory::{
 130    BasicContextProvider, ContextProviderWithTasks, Inventory, TaskContexts, TaskSourceKind,
 131};
 132
 133pub use buffer_store::ProjectTransaction;
 134pub use lsp_store::{
 135    DiagnosticSummary, LanguageServerLogType, LanguageServerProgress, LanguageServerPromptRequest,
 136    LanguageServerStatus, LanguageServerToQuery, LspStore, LspStoreEvent,
 137    SERVER_PROGRESS_THROTTLE_TIMEOUT,
 138};
 139pub use toolchain_store::ToolchainStore;
 140const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 141const MAX_SEARCH_RESULT_FILES: usize = 5_000;
 142const MAX_SEARCH_RESULT_RANGES: usize = 10_000;
 143
 144pub trait ProjectItem: 'static {
 145    fn try_open(
 146        project: &Entity<Project>,
 147        path: &ProjectPath,
 148        cx: &mut App,
 149    ) -> Option<Task<Result<Entity<Self>>>>
 150    where
 151        Self: Sized;
 152    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 153    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 154    fn is_dirty(&self) -> bool;
 155}
 156
 157#[derive(Clone)]
 158pub enum OpenedBufferEvent {
 159    Disconnected,
 160    Ok(BufferId),
 161    Err(BufferId, Arc<anyhow::Error>),
 162}
 163
 164/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 165/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 166/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 167///
 168/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 169pub struct Project {
 170    active_entry: Option<ProjectEntryId>,
 171    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 172    languages: Arc<LanguageRegistry>,
 173    dap_store: Entity<DapStore>,
 174
 175    breakpoint_store: Entity<BreakpointStore>,
 176    client: Arc<client::Client>,
 177    join_project_response_message_id: u32,
 178    task_store: Entity<TaskStore>,
 179    user_store: Entity<UserStore>,
 180    fs: Arc<dyn Fs>,
 181    ssh_client: Option<Entity<SshRemoteClient>>,
 182    client_state: ProjectClientState,
 183    git_store: Entity<GitStore>,
 184    collaborators: HashMap<proto::PeerId, Collaborator>,
 185    client_subscriptions: Vec<client::Subscription>,
 186    worktree_store: Entity<WorktreeStore>,
 187    buffer_store: Entity<BufferStore>,
 188    context_server_store: Entity<ContextServerStore>,
 189    image_store: Entity<ImageStore>,
 190    lsp_store: Entity<LspStore>,
 191    _subscriptions: Vec<gpui::Subscription>,
 192    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 193    git_diff_debouncer: DebouncedDelay<Self>,
 194    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 195    terminals: Terminals,
 196    node: Option<NodeRuntime>,
 197    search_history: SearchHistory,
 198    search_included_history: SearchHistory,
 199    search_excluded_history: SearchHistory,
 200    snippets: Entity<SnippetProvider>,
 201    environment: Entity<ProjectEnvironment>,
 202    settings_observer: Entity<SettingsObserver>,
 203    toolchain_store: Option<Entity<ToolchainStore>>,
 204    agent_location: Option<AgentLocation>,
 205}
 206
 207#[derive(Clone, Debug, PartialEq, Eq)]
 208pub struct AgentLocation {
 209    pub buffer: WeakEntity<Buffer>,
 210    pub position: Anchor,
 211}
 212
 213#[derive(Default)]
 214struct RemotelyCreatedModels {
 215    worktrees: Vec<Entity<Worktree>>,
 216    buffers: Vec<Entity<Buffer>>,
 217    retain_count: usize,
 218}
 219
 220struct RemotelyCreatedModelGuard {
 221    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 222}
 223
 224impl Drop for RemotelyCreatedModelGuard {
 225    fn drop(&mut self) {
 226        if let Some(remote_models) = self.remote_models.upgrade() {
 227            let mut remote_models = remote_models.lock();
 228            assert!(
 229                remote_models.retain_count > 0,
 230                "RemotelyCreatedModelGuard dropped too many times"
 231            );
 232            remote_models.retain_count -= 1;
 233            if remote_models.retain_count == 0 {
 234                remote_models.buffers.clear();
 235                remote_models.worktrees.clear();
 236            }
 237        }
 238    }
 239}
 240/// Message ordered with respect to buffer operations
 241#[derive(Debug)]
 242enum BufferOrderedMessage {
 243    Operation {
 244        buffer_id: BufferId,
 245        operation: proto::Operation,
 246    },
 247    LanguageServerUpdate {
 248        language_server_id: LanguageServerId,
 249        message: proto::update_language_server::Variant,
 250    },
 251    Resync,
 252}
 253
 254#[derive(Debug)]
 255enum ProjectClientState {
 256    /// Single-player mode.
 257    Local,
 258    /// Multi-player mode but still a local project.
 259    Shared { remote_id: u64 },
 260    /// Multi-player mode but working on a remote project.
 261    Remote {
 262        sharing_has_stopped: bool,
 263        capability: Capability,
 264        remote_id: u64,
 265        replica_id: ReplicaId,
 266    },
 267}
 268
 269#[derive(Clone, Debug, PartialEq)]
 270pub enum Event {
 271    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 272    LanguageServerRemoved(LanguageServerId),
 273    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 274    Toast {
 275        notification_id: SharedString,
 276        message: String,
 277    },
 278    HideToast {
 279        notification_id: SharedString,
 280    },
 281    LanguageServerPrompt(LanguageServerPromptRequest),
 282    LanguageNotFound(Entity<Buffer>),
 283    ActiveEntryChanged(Option<ProjectEntryId>),
 284    ActivateProjectPanel,
 285    WorktreeAdded(WorktreeId),
 286    WorktreeOrderChanged,
 287    WorktreeRemoved(WorktreeId),
 288    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 289    DiskBasedDiagnosticsStarted {
 290        language_server_id: LanguageServerId,
 291    },
 292    DiskBasedDiagnosticsFinished {
 293        language_server_id: LanguageServerId,
 294    },
 295    DiagnosticsUpdated {
 296        path: ProjectPath,
 297        language_server_id: LanguageServerId,
 298    },
 299    RemoteIdChanged(Option<u64>),
 300    DisconnectedFromHost,
 301    DisconnectedFromSshRemote,
 302    Closed,
 303    DeletedEntry(WorktreeId, ProjectEntryId),
 304    CollaboratorUpdated {
 305        old_peer_id: proto::PeerId,
 306        new_peer_id: proto::PeerId,
 307    },
 308    CollaboratorJoined(proto::PeerId),
 309    CollaboratorLeft(proto::PeerId),
 310    HostReshared,
 311    Reshared,
 312    Rejoined,
 313    RefreshInlayHints,
 314    RefreshCodeLens,
 315    RevealInProjectPanel(ProjectEntryId),
 316    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 317    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 318    AgentLocationChanged,
 319}
 320
 321pub struct AgentLocationChanged;
 322
 323pub enum DebugAdapterClientState {
 324    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 325    Running(Arc<DebugAdapterClient>),
 326}
 327
 328#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 329pub struct ProjectPath {
 330    pub worktree_id: WorktreeId,
 331    pub path: Arc<Path>,
 332}
 333
 334impl ProjectPath {
 335    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 336        ProjectPath {
 337            worktree_id: value.worktree_id(cx),
 338            path: value.path().clone(),
 339        }
 340    }
 341
 342    pub fn from_proto(p: proto::ProjectPath) -> Self {
 343        Self {
 344            worktree_id: WorktreeId::from_proto(p.worktree_id),
 345            path: Arc::<Path>::from_proto(p.path),
 346        }
 347    }
 348
 349    pub fn to_proto(&self) -> proto::ProjectPath {
 350        proto::ProjectPath {
 351            worktree_id: self.worktree_id.to_proto(),
 352            path: self.path.as_ref().to_proto(),
 353        }
 354    }
 355
 356    pub fn root_path(worktree_id: WorktreeId) -> Self {
 357        Self {
 358            worktree_id,
 359            path: Path::new("").into(),
 360        }
 361    }
 362
 363    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 364        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 365    }
 366}
 367
 368#[derive(Debug, Default)]
 369pub enum PrepareRenameResponse {
 370    Success(Range<Anchor>),
 371    OnlyUnpreparedRenameSupported,
 372    #[default]
 373    InvalidPosition,
 374}
 375
 376#[derive(Debug, Clone, PartialEq, Eq)]
 377pub struct InlayHint {
 378    pub position: language::Anchor,
 379    pub label: InlayHintLabel,
 380    pub kind: Option<InlayHintKind>,
 381    pub padding_left: bool,
 382    pub padding_right: bool,
 383    pub tooltip: Option<InlayHintTooltip>,
 384    pub resolve_state: ResolveState,
 385}
 386
 387/// The user's intent behind a given completion confirmation
 388#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 389pub enum CompletionIntent {
 390    /// The user intends to 'commit' this result, if possible
 391    /// completion confirmations should run side effects.
 392    ///
 393    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 394    Complete,
 395    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 396    CompleteWithInsert,
 397    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 398    CompleteWithReplace,
 399    /// The user intends to continue 'composing' this completion
 400    /// completion confirmations should not run side effects and
 401    /// let the user continue composing their action
 402    Compose,
 403}
 404
 405impl CompletionIntent {
 406    pub fn is_complete(&self) -> bool {
 407        self == &Self::Complete
 408    }
 409
 410    pub fn is_compose(&self) -> bool {
 411        self == &Self::Compose
 412    }
 413}
 414
 415/// Similar to `CoreCompletion`, but with extra metadata attached.
 416#[derive(Clone)]
 417pub struct Completion {
 418    /// The range of text that will be replaced by this completion.
 419    pub replace_range: Range<Anchor>,
 420    /// The new text that will be inserted.
 421    pub new_text: String,
 422    /// A label for this completion that is shown in the menu.
 423    pub label: CodeLabel,
 424    /// The documentation for this completion.
 425    pub documentation: Option<CompletionDocumentation>,
 426    /// Completion data source which it was constructed from.
 427    pub source: CompletionSource,
 428    /// A path to an icon for this completion that is shown in the menu.
 429    pub icon_path: Option<SharedString>,
 430    /// Whether to adjust indentation (the default) or not.
 431    pub insert_text_mode: Option<InsertTextMode>,
 432    /// An optional callback to invoke when this completion is confirmed.
 433    /// Returns, whether new completions should be retriggered after the current one.
 434    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 435    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 436    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 437}
 438
 439#[derive(Debug, Clone)]
 440pub enum CompletionSource {
 441    Lsp {
 442        /// The alternate `insert` range, if provided by the LSP server.
 443        insert_range: Option<Range<Anchor>>,
 444        /// The id of the language server that produced this completion.
 445        server_id: LanguageServerId,
 446        /// The raw completion provided by the language server.
 447        lsp_completion: Box<lsp::CompletionItem>,
 448        /// A set of defaults for this completion item.
 449        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 450        /// Whether this completion has been resolved, to ensure it happens once per completion.
 451        resolved: bool,
 452    },
 453    Custom,
 454    BufferWord {
 455        word_range: Range<Anchor>,
 456        resolved: bool,
 457    },
 458}
 459
 460impl CompletionSource {
 461    pub fn server_id(&self) -> Option<LanguageServerId> {
 462        if let CompletionSource::Lsp { server_id, .. } = self {
 463            Some(*server_id)
 464        } else {
 465            None
 466        }
 467    }
 468
 469    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<lsp::CompletionItem>> {
 470        if let Self::Lsp {
 471            lsp_completion,
 472            lsp_defaults,
 473            ..
 474        } = self
 475        {
 476            if apply_defaults {
 477                if let Some(lsp_defaults) = lsp_defaults {
 478                    let mut completion_with_defaults = *lsp_completion.clone();
 479                    let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 480                    let default_edit_range = lsp_defaults.edit_range.as_ref();
 481                    let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 482                    let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 483
 484                    if default_commit_characters.is_some()
 485                        || default_edit_range.is_some()
 486                        || default_insert_text_format.is_some()
 487                        || default_insert_text_mode.is_some()
 488                    {
 489                        if completion_with_defaults.commit_characters.is_none()
 490                            && default_commit_characters.is_some()
 491                        {
 492                            completion_with_defaults.commit_characters =
 493                                default_commit_characters.cloned()
 494                        }
 495                        if completion_with_defaults.text_edit.is_none() {
 496                            match default_edit_range {
 497                                Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 498                                    completion_with_defaults.text_edit =
 499                                        Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 500                                            range: *range,
 501                                            new_text: completion_with_defaults.label.clone(),
 502                                        }))
 503                                }
 504                                Some(
 505                                    lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 506                                        insert,
 507                                        replace,
 508                                    },
 509                                ) => {
 510                                    completion_with_defaults.text_edit =
 511                                        Some(lsp::CompletionTextEdit::InsertAndReplace(
 512                                            lsp::InsertReplaceEdit {
 513                                                new_text: completion_with_defaults.label.clone(),
 514                                                insert: *insert,
 515                                                replace: *replace,
 516                                            },
 517                                        ))
 518                                }
 519                                None => {}
 520                            }
 521                        }
 522                        if completion_with_defaults.insert_text_format.is_none()
 523                            && default_insert_text_format.is_some()
 524                        {
 525                            completion_with_defaults.insert_text_format =
 526                                default_insert_text_format.cloned()
 527                        }
 528                        if completion_with_defaults.insert_text_mode.is_none()
 529                            && default_insert_text_mode.is_some()
 530                        {
 531                            completion_with_defaults.insert_text_mode =
 532                                default_insert_text_mode.cloned()
 533                        }
 534                    }
 535                    return Some(Cow::Owned(completion_with_defaults));
 536                }
 537            }
 538            Some(Cow::Borrowed(lsp_completion))
 539        } else {
 540            None
 541        }
 542    }
 543}
 544
 545impl std::fmt::Debug for Completion {
 546    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 547        f.debug_struct("Completion")
 548            .field("replace_range", &self.replace_range)
 549            .field("new_text", &self.new_text)
 550            .field("label", &self.label)
 551            .field("documentation", &self.documentation)
 552            .field("source", &self.source)
 553            .finish()
 554    }
 555}
 556
 557/// A generic completion that can come from different sources.
 558#[derive(Clone, Debug)]
 559pub(crate) struct CoreCompletion {
 560    replace_range: Range<Anchor>,
 561    new_text: String,
 562    source: CompletionSource,
 563}
 564
 565/// A code action provided by a language server.
 566#[derive(Clone, Debug)]
 567pub struct CodeAction {
 568    /// The id of the language server that produced this code action.
 569    pub server_id: LanguageServerId,
 570    /// The range of the buffer where this code action is applicable.
 571    pub range: Range<Anchor>,
 572    /// The raw code action provided by the language server.
 573    /// Can be either an action or a command.
 574    pub lsp_action: LspAction,
 575    /// Whether the action needs to be resolved using the language server.
 576    pub resolved: bool,
 577}
 578
 579/// An action sent back by a language server.
 580#[derive(Clone, Debug)]
 581pub enum LspAction {
 582    /// An action with the full data, may have a command or may not.
 583    /// May require resolving.
 584    Action(Box<lsp::CodeAction>),
 585    /// A command data to run as an action.
 586    Command(lsp::Command),
 587    /// A code lens data to run as an action.
 588    CodeLens(lsp::CodeLens),
 589}
 590
 591impl LspAction {
 592    pub fn title(&self) -> &str {
 593        match self {
 594            Self::Action(action) => &action.title,
 595            Self::Command(command) => &command.title,
 596            Self::CodeLens(lens) => lens
 597                .command
 598                .as_ref()
 599                .map(|command| command.title.as_str())
 600                .unwrap_or("Unknown command"),
 601        }
 602    }
 603
 604    fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 605        match self {
 606            Self::Action(action) => action.kind.clone(),
 607            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 608            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 609        }
 610    }
 611
 612    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 613        match self {
 614            Self::Action(action) => action.edit.as_ref(),
 615            Self::Command(_) => None,
 616            Self::CodeLens(_) => None,
 617        }
 618    }
 619
 620    fn command(&self) -> Option<&lsp::Command> {
 621        match self {
 622            Self::Action(action) => action.command.as_ref(),
 623            Self::Command(command) => Some(command),
 624            Self::CodeLens(lens) => lens.command.as_ref(),
 625        }
 626    }
 627}
 628
 629#[derive(Debug, Clone, PartialEq, Eq)]
 630pub enum ResolveState {
 631    Resolved,
 632    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 633    Resolving,
 634}
 635
 636impl InlayHint {
 637    pub fn text(&self) -> String {
 638        match &self.label {
 639            InlayHintLabel::String(s) => s.to_owned(),
 640            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &part.value).join(""),
 641        }
 642    }
 643}
 644
 645#[derive(Debug, Clone, PartialEq, Eq)]
 646pub enum InlayHintLabel {
 647    String(String),
 648    LabelParts(Vec<InlayHintLabelPart>),
 649}
 650
 651#[derive(Debug, Clone, PartialEq, Eq)]
 652pub struct InlayHintLabelPart {
 653    pub value: String,
 654    pub tooltip: Option<InlayHintLabelPartTooltip>,
 655    pub location: Option<(LanguageServerId, lsp::Location)>,
 656}
 657
 658#[derive(Debug, Clone, PartialEq, Eq)]
 659pub enum InlayHintTooltip {
 660    String(String),
 661    MarkupContent(MarkupContent),
 662}
 663
 664#[derive(Debug, Clone, PartialEq, Eq)]
 665pub enum InlayHintLabelPartTooltip {
 666    String(String),
 667    MarkupContent(MarkupContent),
 668}
 669
 670#[derive(Debug, Clone, PartialEq, Eq)]
 671pub struct MarkupContent {
 672    pub kind: HoverBlockKind,
 673    pub value: String,
 674}
 675
 676#[derive(Debug, Clone)]
 677pub struct LocationLink {
 678    pub origin: Option<Location>,
 679    pub target: Location,
 680}
 681
 682#[derive(Debug)]
 683pub struct DocumentHighlight {
 684    pub range: Range<language::Anchor>,
 685    pub kind: DocumentHighlightKind,
 686}
 687
 688#[derive(Clone, Debug)]
 689pub struct Symbol {
 690    pub language_server_name: LanguageServerName,
 691    pub source_worktree_id: WorktreeId,
 692    pub source_language_server_id: LanguageServerId,
 693    pub path: ProjectPath,
 694    pub label: CodeLabel,
 695    pub name: String,
 696    pub kind: lsp::SymbolKind,
 697    pub range: Range<Unclipped<PointUtf16>>,
 698    pub signature: [u8; 32],
 699}
 700
 701#[derive(Clone, Debug)]
 702pub struct DocumentSymbol {
 703    pub name: String,
 704    pub kind: lsp::SymbolKind,
 705    pub range: Range<Unclipped<PointUtf16>>,
 706    pub selection_range: Range<Unclipped<PointUtf16>>,
 707    pub children: Vec<DocumentSymbol>,
 708}
 709
 710#[derive(Clone, Debug, PartialEq)]
 711pub struct HoverBlock {
 712    pub text: String,
 713    pub kind: HoverBlockKind,
 714}
 715
 716#[derive(Clone, Debug, PartialEq, Eq)]
 717pub enum HoverBlockKind {
 718    PlainText,
 719    Markdown,
 720    Code { language: String },
 721}
 722
 723#[derive(Debug, Clone)]
 724pub struct Hover {
 725    pub contents: Vec<HoverBlock>,
 726    pub range: Option<Range<language::Anchor>>,
 727    pub language: Option<Arc<Language>>,
 728}
 729
 730impl Hover {
 731    pub fn is_empty(&self) -> bool {
 732        self.contents.iter().all(|block| block.text.is_empty())
 733    }
 734}
 735
 736enum EntitySubscription {
 737    Project(PendingEntitySubscription<Project>),
 738    BufferStore(PendingEntitySubscription<BufferStore>),
 739    GitStore(PendingEntitySubscription<GitStore>),
 740    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 741    LspStore(PendingEntitySubscription<LspStore>),
 742    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 743    DapStore(PendingEntitySubscription<DapStore>),
 744}
 745
 746#[derive(Debug, Clone)]
 747pub struct DirectoryItem {
 748    pub path: PathBuf,
 749    pub is_dir: bool,
 750}
 751
 752#[derive(Clone)]
 753pub enum DirectoryLister {
 754    Project(Entity<Project>),
 755    Local(Arc<dyn Fs>),
 756}
 757
 758impl DirectoryLister {
 759    pub fn is_local(&self, cx: &App) -> bool {
 760        match self {
 761            DirectoryLister::Local(_) => true,
 762            DirectoryLister::Project(project) => project.read(cx).is_local(),
 763        }
 764    }
 765
 766    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 767        if self.is_local(cx) {
 768            shellexpand::tilde(path)
 769        } else {
 770            Cow::from(path)
 771        }
 772    }
 773
 774    pub fn default_query(&self, cx: &mut App) -> String {
 775        if let DirectoryLister::Project(project) = self {
 776            if let Some(worktree) = project.read(cx).visible_worktrees(cx).next() {
 777                return worktree.read(cx).abs_path().to_string_lossy().to_string();
 778            }
 779        };
 780        format!("~{}", std::path::MAIN_SEPARATOR_STR)
 781    }
 782
 783    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 784        match self {
 785            DirectoryLister::Project(project) => {
 786                project.update(cx, |project, cx| project.list_directory(path, cx))
 787            }
 788            DirectoryLister::Local(fs) => {
 789                let fs = fs.clone();
 790                cx.background_spawn(async move {
 791                    let mut results = vec![];
 792                    let expanded = shellexpand::tilde(&path);
 793                    let query = Path::new(expanded.as_ref());
 794                    let mut response = fs.read_dir(query).await?;
 795                    while let Some(path) = response.next().await {
 796                        let path = path?;
 797                        if let Some(file_name) = path.file_name() {
 798                            results.push(DirectoryItem {
 799                                path: PathBuf::from(file_name.to_os_string()),
 800                                is_dir: fs.is_dir(&path).await,
 801                            });
 802                        }
 803                    }
 804                    Ok(results)
 805                })
 806            }
 807        }
 808    }
 809}
 810
 811#[cfg(any(test, feature = "test-support"))]
 812pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
 813    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
 814    trigger_character: None,
 815};
 816
 817impl Project {
 818    pub fn init_settings(cx: &mut App) {
 819        WorktreeSettings::register(cx);
 820        ProjectSettings::register(cx);
 821    }
 822
 823    pub fn init(client: &Arc<Client>, cx: &mut App) {
 824        connection_manager::init(client.clone(), cx);
 825        Self::init_settings(cx);
 826
 827        let client: AnyProtoClient = client.clone().into();
 828        client.add_entity_message_handler(Self::handle_add_collaborator);
 829        client.add_entity_message_handler(Self::handle_update_project_collaborator);
 830        client.add_entity_message_handler(Self::handle_remove_collaborator);
 831        client.add_entity_message_handler(Self::handle_update_project);
 832        client.add_entity_message_handler(Self::handle_unshare_project);
 833        client.add_entity_request_handler(Self::handle_update_buffer);
 834        client.add_entity_message_handler(Self::handle_update_worktree);
 835        client.add_entity_request_handler(Self::handle_synchronize_buffers);
 836
 837        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
 838        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
 839        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
 840        client.add_entity_request_handler(Self::handle_open_new_buffer);
 841        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
 842
 843        WorktreeStore::init(&client);
 844        BufferStore::init(&client);
 845        LspStore::init(&client);
 846        GitStore::init(&client);
 847        SettingsObserver::init(&client);
 848        TaskStore::init(Some(&client));
 849        ToolchainStore::init(&client);
 850        DapStore::init(&client, cx);
 851        BreakpointStore::init(&client);
 852        context_server_store::init(cx);
 853    }
 854
 855    pub fn local(
 856        client: Arc<Client>,
 857        node: NodeRuntime,
 858        user_store: Entity<UserStore>,
 859        languages: Arc<LanguageRegistry>,
 860        fs: Arc<dyn Fs>,
 861        env: Option<HashMap<String, String>>,
 862        cx: &mut App,
 863    ) -> Entity<Self> {
 864        cx.new(|cx: &mut Context<Self>| {
 865            let (tx, rx) = mpsc::unbounded();
 866            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
 867                .detach();
 868            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
 869            let worktree_store = cx.new(|_| WorktreeStore::local(false, fs.clone()));
 870            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
 871                .detach();
 872
 873            let context_server_store =
 874                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), cx));
 875
 876            let environment = cx.new(|_| ProjectEnvironment::new(env));
 877            let toolchain_store = cx.new(|cx| {
 878                ToolchainStore::local(
 879                    languages.clone(),
 880                    worktree_store.clone(),
 881                    environment.clone(),
 882                    cx,
 883                )
 884            });
 885
 886            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
 887            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
 888                .detach();
 889
 890            let breakpoint_store =
 891                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
 892
 893            let dap_store = cx.new(|cx| {
 894                DapStore::new_local(
 895                    client.http_client(),
 896                    node.clone(),
 897                    fs.clone(),
 898                    environment.clone(),
 899                    toolchain_store.read(cx).as_language_toolchain_store(),
 900                    worktree_store.clone(),
 901                    breakpoint_store.clone(),
 902                    cx,
 903                )
 904            });
 905            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
 906
 907            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
 908            cx.subscribe(&image_store, Self::on_image_store_event)
 909                .detach();
 910
 911            let prettier_store = cx.new(|cx| {
 912                PrettierStore::new(
 913                    node.clone(),
 914                    fs.clone(),
 915                    languages.clone(),
 916                    worktree_store.clone(),
 917                    cx,
 918                )
 919            });
 920
 921            let task_store = cx.new(|cx| {
 922                TaskStore::local(
 923                    buffer_store.downgrade(),
 924                    worktree_store.clone(),
 925                    toolchain_store.read(cx).as_language_toolchain_store(),
 926                    environment.clone(),
 927                    cx,
 928                )
 929            });
 930
 931            let settings_observer = cx.new(|cx| {
 932                SettingsObserver::new_local(
 933                    fs.clone(),
 934                    worktree_store.clone(),
 935                    task_store.clone(),
 936                    cx,
 937                )
 938            });
 939            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
 940                .detach();
 941
 942            let lsp_store = cx.new(|cx| {
 943                LspStore::new_local(
 944                    buffer_store.clone(),
 945                    worktree_store.clone(),
 946                    prettier_store.clone(),
 947                    toolchain_store.clone(),
 948                    environment.clone(),
 949                    languages.clone(),
 950                    client.http_client(),
 951                    fs.clone(),
 952                    cx,
 953                )
 954            });
 955
 956            let git_store = cx.new(|cx| {
 957                GitStore::local(
 958                    &worktree_store,
 959                    buffer_store.clone(),
 960                    environment.clone(),
 961                    fs.clone(),
 962                    cx,
 963                )
 964            });
 965
 966            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
 967
 968            Self {
 969                buffer_ordered_messages_tx: tx,
 970                collaborators: Default::default(),
 971                worktree_store,
 972                buffer_store,
 973                image_store,
 974                lsp_store,
 975                context_server_store,
 976                join_project_response_message_id: 0,
 977                client_state: ProjectClientState::Local,
 978                git_store,
 979                client_subscriptions: Vec::new(),
 980                _subscriptions: vec![cx.on_release(Self::release)],
 981                active_entry: None,
 982                snippets,
 983                languages,
 984                client,
 985                task_store,
 986                user_store,
 987                settings_observer,
 988                fs,
 989                ssh_client: None,
 990                breakpoint_store,
 991                dap_store,
 992
 993                buffers_needing_diff: Default::default(),
 994                git_diff_debouncer: DebouncedDelay::new(),
 995                terminals: Terminals {
 996                    local_handles: Vec::new(),
 997                },
 998                node: Some(node),
 999                search_history: Self::new_search_history(),
1000                environment,
1001                remotely_created_models: Default::default(),
1002
1003                search_included_history: Self::new_search_history(),
1004                search_excluded_history: Self::new_search_history(),
1005
1006                toolchain_store: Some(toolchain_store),
1007
1008                agent_location: None,
1009            }
1010        })
1011    }
1012
1013    pub fn ssh(
1014        ssh: Entity<SshRemoteClient>,
1015        client: Arc<Client>,
1016        node: NodeRuntime,
1017        user_store: Entity<UserStore>,
1018        languages: Arc<LanguageRegistry>,
1019        fs: Arc<dyn Fs>,
1020        cx: &mut App,
1021    ) -> Entity<Self> {
1022        cx.new(|cx: &mut Context<Self>| {
1023            let (tx, rx) = mpsc::unbounded();
1024            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1025                .detach();
1026            let global_snippets_dir = paths::config_dir().join("snippets");
1027            let snippets =
1028                SnippetProvider::new(fs.clone(), BTreeSet::from_iter([global_snippets_dir]), cx);
1029
1030            let ssh_proto = ssh.read(cx).proto_client();
1031            let worktree_store =
1032                cx.new(|_| WorktreeStore::remote(false, ssh_proto.clone(), SSH_PROJECT_ID));
1033            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1034                .detach();
1035
1036            let context_server_store =
1037                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), cx));
1038
1039            let buffer_store = cx.new(|cx| {
1040                BufferStore::remote(
1041                    worktree_store.clone(),
1042                    ssh.read(cx).proto_client(),
1043                    SSH_PROJECT_ID,
1044                    cx,
1045                )
1046            });
1047            let image_store = cx.new(|cx| {
1048                ImageStore::remote(
1049                    worktree_store.clone(),
1050                    ssh.read(cx).proto_client(),
1051                    SSH_PROJECT_ID,
1052                    cx,
1053                )
1054            });
1055            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1056                .detach();
1057            let toolchain_store = cx
1058                .new(|cx| ToolchainStore::remote(SSH_PROJECT_ID, ssh.read(cx).proto_client(), cx));
1059            let task_store = cx.new(|cx| {
1060                TaskStore::remote(
1061                    buffer_store.downgrade(),
1062                    worktree_store.clone(),
1063                    toolchain_store.read(cx).as_language_toolchain_store(),
1064                    ssh.read(cx).proto_client(),
1065                    SSH_PROJECT_ID,
1066                    cx,
1067                )
1068            });
1069
1070            let settings_observer = cx.new(|cx| {
1071                SettingsObserver::new_remote(
1072                    fs.clone(),
1073                    worktree_store.clone(),
1074                    task_store.clone(),
1075                    cx,
1076                )
1077            });
1078            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1079                .detach();
1080
1081            let environment = cx.new(|_| ProjectEnvironment::new(None));
1082
1083            let lsp_store = cx.new(|cx| {
1084                LspStore::new_remote(
1085                    buffer_store.clone(),
1086                    worktree_store.clone(),
1087                    Some(toolchain_store.clone()),
1088                    languages.clone(),
1089                    ssh_proto.clone(),
1090                    SSH_PROJECT_ID,
1091                    fs.clone(),
1092                    cx,
1093                )
1094            });
1095            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1096
1097            let breakpoint_store =
1098                cx.new(|_| BreakpointStore::remote(SSH_PROJECT_ID, ssh_proto.clone()));
1099
1100            let dap_store = cx.new(|cx| {
1101                DapStore::new_ssh(
1102                    SSH_PROJECT_ID,
1103                    ssh.clone(),
1104                    breakpoint_store.clone(),
1105                    worktree_store.clone(),
1106                    cx,
1107                )
1108            });
1109
1110            let git_store = cx.new(|cx| {
1111                GitStore::ssh(&worktree_store, buffer_store.clone(), ssh_proto.clone(), cx)
1112            });
1113
1114            cx.subscribe(&ssh, Self::on_ssh_event).detach();
1115
1116            let this = Self {
1117                buffer_ordered_messages_tx: tx,
1118                collaborators: Default::default(),
1119                worktree_store,
1120                buffer_store,
1121                image_store,
1122                lsp_store,
1123                context_server_store,
1124                breakpoint_store,
1125                dap_store,
1126                join_project_response_message_id: 0,
1127                client_state: ProjectClientState::Local,
1128                git_store,
1129                client_subscriptions: Vec::new(),
1130                _subscriptions: vec![
1131                    cx.on_release(Self::release),
1132                    cx.on_app_quit(|this, cx| {
1133                        let shutdown = this.ssh_client.take().and_then(|client| {
1134                            client.read(cx).shutdown_processes(
1135                                Some(proto::ShutdownRemoteServer {}),
1136                                cx.background_executor().clone(),
1137                            )
1138                        });
1139
1140                        cx.background_executor().spawn(async move {
1141                            if let Some(shutdown) = shutdown {
1142                                shutdown.await;
1143                            }
1144                        })
1145                    }),
1146                ],
1147                active_entry: None,
1148                snippets,
1149                languages,
1150                client,
1151                task_store,
1152                user_store,
1153                settings_observer,
1154                fs,
1155                ssh_client: Some(ssh.clone()),
1156                buffers_needing_diff: Default::default(),
1157                git_diff_debouncer: DebouncedDelay::new(),
1158                terminals: Terminals {
1159                    local_handles: Vec::new(),
1160                },
1161                node: Some(node),
1162                search_history: Self::new_search_history(),
1163                environment,
1164                remotely_created_models: Default::default(),
1165
1166                search_included_history: Self::new_search_history(),
1167                search_excluded_history: Self::new_search_history(),
1168
1169                toolchain_store: Some(toolchain_store),
1170                agent_location: None,
1171            };
1172
1173            // ssh -> local machine handlers
1174            let ssh = ssh.read(cx);
1175            ssh.subscribe_to_entity(SSH_PROJECT_ID, &cx.entity());
1176            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.buffer_store);
1177            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.worktree_store);
1178            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.lsp_store);
1179            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.dap_store);
1180            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.settings_observer);
1181            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.git_store);
1182
1183            ssh_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1184            ssh_proto.add_entity_message_handler(Self::handle_update_worktree);
1185            ssh_proto.add_entity_message_handler(Self::handle_update_project);
1186            ssh_proto.add_entity_message_handler(Self::handle_toast);
1187            ssh_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1188            ssh_proto.add_entity_message_handler(Self::handle_hide_toast);
1189            ssh_proto.add_entity_request_handler(Self::handle_update_buffer_from_ssh);
1190            BufferStore::init(&ssh_proto);
1191            LspStore::init(&ssh_proto);
1192            SettingsObserver::init(&ssh_proto);
1193            TaskStore::init(Some(&ssh_proto));
1194            ToolchainStore::init(&ssh_proto);
1195            DapStore::init(&ssh_proto, cx);
1196            GitStore::init(&ssh_proto);
1197
1198            this
1199        })
1200    }
1201
1202    pub async fn remote(
1203        remote_id: u64,
1204        client: Arc<Client>,
1205        user_store: Entity<UserStore>,
1206        languages: Arc<LanguageRegistry>,
1207        fs: Arc<dyn Fs>,
1208        cx: AsyncApp,
1209    ) -> Result<Entity<Self>> {
1210        let project =
1211            Self::in_room(remote_id, client, user_store, languages, fs, cx.clone()).await?;
1212        cx.update(|cx| {
1213            connection_manager::Manager::global(cx).update(cx, |manager, cx| {
1214                manager.maintain_project_connection(&project, cx)
1215            })
1216        })?;
1217        Ok(project)
1218    }
1219
1220    pub async fn in_room(
1221        remote_id: u64,
1222        client: Arc<Client>,
1223        user_store: Entity<UserStore>,
1224        languages: Arc<LanguageRegistry>,
1225        fs: Arc<dyn Fs>,
1226        cx: AsyncApp,
1227    ) -> Result<Entity<Self>> {
1228        client
1229            .authenticate_and_connect(true, &cx)
1230            .await
1231            .into_response()?;
1232
1233        let subscriptions = [
1234            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1235            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1236            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1237            EntitySubscription::WorktreeStore(
1238                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1239            ),
1240            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1241            EntitySubscription::SettingsObserver(
1242                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1243            ),
1244            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1245        ];
1246        let response = client
1247            .request_envelope(proto::JoinProject {
1248                project_id: remote_id,
1249            })
1250            .await?;
1251        Self::from_join_project_response(
1252            response,
1253            subscriptions,
1254            client,
1255            false,
1256            user_store,
1257            languages,
1258            fs,
1259            cx,
1260        )
1261        .await
1262    }
1263
1264    async fn from_join_project_response(
1265        response: TypedEnvelope<proto::JoinProjectResponse>,
1266        subscriptions: [EntitySubscription; 7],
1267        client: Arc<Client>,
1268        run_tasks: bool,
1269        user_store: Entity<UserStore>,
1270        languages: Arc<LanguageRegistry>,
1271        fs: Arc<dyn Fs>,
1272        mut cx: AsyncApp,
1273    ) -> Result<Entity<Self>> {
1274        let remote_id = response.payload.project_id;
1275        let role = response.payload.role();
1276
1277        let worktree_store = cx.new(|_| {
1278            WorktreeStore::remote(true, client.clone().into(), response.payload.project_id)
1279        })?;
1280        let buffer_store = cx.new(|cx| {
1281            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1282        })?;
1283        let image_store = cx.new(|cx| {
1284            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1285        })?;
1286        let context_server_store =
1287            cx.new(|cx| ContextServerStore::new(worktree_store.clone(), cx))?;
1288
1289        let environment = cx.new(|_| ProjectEnvironment::new(None))?;
1290
1291        let breakpoint_store =
1292            cx.new(|_| BreakpointStore::remote(remote_id, client.clone().into()))?;
1293        let dap_store = cx.new(|cx| {
1294            DapStore::new_collab(
1295                remote_id,
1296                client.clone().into(),
1297                breakpoint_store.clone(),
1298                worktree_store.clone(),
1299                cx,
1300            )
1301        })?;
1302
1303        let lsp_store = cx.new(|cx| {
1304            let mut lsp_store = LspStore::new_remote(
1305                buffer_store.clone(),
1306                worktree_store.clone(),
1307                None,
1308                languages.clone(),
1309                client.clone().into(),
1310                remote_id,
1311                fs.clone(),
1312                cx,
1313            );
1314            lsp_store.set_language_server_statuses_from_proto(response.payload.language_servers);
1315            lsp_store
1316        })?;
1317
1318        let task_store = cx.new(|cx| {
1319            if run_tasks {
1320                TaskStore::remote(
1321                    buffer_store.downgrade(),
1322                    worktree_store.clone(),
1323                    Arc::new(EmptyToolchainStore),
1324                    client.clone().into(),
1325                    remote_id,
1326                    cx,
1327                )
1328            } else {
1329                TaskStore::Noop
1330            }
1331        })?;
1332
1333        let settings_observer = cx.new(|cx| {
1334            SettingsObserver::new_remote(fs.clone(), worktree_store.clone(), task_store.clone(), cx)
1335        })?;
1336
1337        let git_store = cx.new(|cx| {
1338            GitStore::remote(
1339                // In this remote case we pass None for the environment
1340                &worktree_store,
1341                buffer_store.clone(),
1342                client.clone().into(),
1343                ProjectId(remote_id),
1344                cx,
1345            )
1346        })?;
1347
1348        let this = cx.new(|cx| {
1349            let replica_id = response.payload.replica_id as ReplicaId;
1350
1351            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1352
1353            let mut worktrees = Vec::new();
1354            for worktree in response.payload.worktrees {
1355                let worktree =
1356                    Worktree::remote(remote_id, replica_id, worktree, client.clone().into(), cx);
1357                worktrees.push(worktree);
1358            }
1359
1360            let (tx, rx) = mpsc::unbounded();
1361            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1362                .detach();
1363
1364            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1365                .detach();
1366
1367            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1368                .detach();
1369            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1370            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1371                .detach();
1372
1373            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1374
1375            let mut this = Self {
1376                buffer_ordered_messages_tx: tx,
1377                buffer_store: buffer_store.clone(),
1378                image_store,
1379                worktree_store: worktree_store.clone(),
1380                lsp_store: lsp_store.clone(),
1381                context_server_store,
1382                active_entry: None,
1383                collaborators: Default::default(),
1384                join_project_response_message_id: response.message_id,
1385                languages,
1386                user_store: user_store.clone(),
1387                task_store,
1388                snippets,
1389                fs,
1390                ssh_client: None,
1391                settings_observer: settings_observer.clone(),
1392                client_subscriptions: Default::default(),
1393                _subscriptions: vec![cx.on_release(Self::release)],
1394                client: client.clone(),
1395                client_state: ProjectClientState::Remote {
1396                    sharing_has_stopped: false,
1397                    capability: Capability::ReadWrite,
1398                    remote_id,
1399                    replica_id,
1400                },
1401                breakpoint_store,
1402                dap_store: dap_store.clone(),
1403                git_store: git_store.clone(),
1404                buffers_needing_diff: Default::default(),
1405                git_diff_debouncer: DebouncedDelay::new(),
1406                terminals: Terminals {
1407                    local_handles: Vec::new(),
1408                },
1409                node: None,
1410                search_history: Self::new_search_history(),
1411                search_included_history: Self::new_search_history(),
1412                search_excluded_history: Self::new_search_history(),
1413                environment,
1414                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1415                toolchain_store: None,
1416                agent_location: None,
1417            };
1418            this.set_role(role, cx);
1419            for worktree in worktrees {
1420                this.add_worktree(&worktree, cx);
1421            }
1422            this
1423        })?;
1424
1425        let subscriptions = subscriptions
1426            .into_iter()
1427            .map(|s| match s {
1428                EntitySubscription::BufferStore(subscription) => {
1429                    subscription.set_entity(&buffer_store, &mut cx)
1430                }
1431                EntitySubscription::WorktreeStore(subscription) => {
1432                    subscription.set_entity(&worktree_store, &mut cx)
1433                }
1434                EntitySubscription::GitStore(subscription) => {
1435                    subscription.set_entity(&git_store, &mut cx)
1436                }
1437                EntitySubscription::SettingsObserver(subscription) => {
1438                    subscription.set_entity(&settings_observer, &mut cx)
1439                }
1440                EntitySubscription::Project(subscription) => {
1441                    subscription.set_entity(&this, &mut cx)
1442                }
1443                EntitySubscription::LspStore(subscription) => {
1444                    subscription.set_entity(&lsp_store, &mut cx)
1445                }
1446                EntitySubscription::DapStore(subscription) => {
1447                    subscription.set_entity(&dap_store, &mut cx)
1448                }
1449            })
1450            .collect::<Vec<_>>();
1451
1452        let user_ids = response
1453            .payload
1454            .collaborators
1455            .iter()
1456            .map(|peer| peer.user_id)
1457            .collect();
1458        user_store
1459            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))?
1460            .await?;
1461
1462        this.update(&mut cx, |this, cx| {
1463            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1464            this.client_subscriptions.extend(subscriptions);
1465            anyhow::Ok(())
1466        })??;
1467
1468        Ok(this)
1469    }
1470
1471    fn new_search_history() -> SearchHistory {
1472        SearchHistory::new(
1473            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1474            search_history::QueryInsertionBehavior::AlwaysInsert,
1475        )
1476    }
1477
1478    fn release(&mut self, cx: &mut App) {
1479        if let Some(client) = self.ssh_client.take() {
1480            let shutdown = client.read(cx).shutdown_processes(
1481                Some(proto::ShutdownRemoteServer {}),
1482                cx.background_executor().clone(),
1483            );
1484
1485            cx.background_spawn(async move {
1486                if let Some(shutdown) = shutdown {
1487                    shutdown.await;
1488                }
1489            })
1490            .detach()
1491        }
1492
1493        match &self.client_state {
1494            ProjectClientState::Local => {}
1495            ProjectClientState::Shared { .. } => {
1496                let _ = self.unshare_internal(cx);
1497            }
1498            ProjectClientState::Remote { remote_id, .. } => {
1499                let _ = self.client.send(proto::LeaveProject {
1500                    project_id: *remote_id,
1501                });
1502                self.disconnected_from_host_internal(cx);
1503            }
1504        }
1505    }
1506
1507    #[cfg(any(test, feature = "test-support"))]
1508    pub async fn example(
1509        root_paths: impl IntoIterator<Item = &Path>,
1510        cx: &mut AsyncApp,
1511    ) -> Entity<Project> {
1512        use clock::FakeSystemClock;
1513
1514        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1515        let languages = LanguageRegistry::test(cx.background_executor().clone());
1516        let clock = Arc::new(FakeSystemClock::new());
1517        let http_client = http_client::FakeHttpClient::with_404_response();
1518        let client = cx
1519            .update(|cx| client::Client::new(clock, http_client.clone(), cx))
1520            .unwrap();
1521        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx)).unwrap();
1522        let project = cx
1523            .update(|cx| {
1524                Project::local(
1525                    client,
1526                    node_runtime::NodeRuntime::unavailable(),
1527                    user_store,
1528                    Arc::new(languages),
1529                    fs,
1530                    None,
1531                    cx,
1532                )
1533            })
1534            .unwrap();
1535        for path in root_paths {
1536            let (tree, _) = project
1537                .update(cx, |project, cx| {
1538                    project.find_or_create_worktree(path, true, cx)
1539                })
1540                .unwrap()
1541                .await
1542                .unwrap();
1543            tree.update(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1544                .unwrap()
1545                .await;
1546        }
1547        project
1548    }
1549
1550    #[cfg(any(test, feature = "test-support"))]
1551    pub async fn test(
1552        fs: Arc<dyn Fs>,
1553        root_paths: impl IntoIterator<Item = &Path>,
1554        cx: &mut gpui::TestAppContext,
1555    ) -> Entity<Project> {
1556        use clock::FakeSystemClock;
1557
1558        let languages = LanguageRegistry::test(cx.executor());
1559        let clock = Arc::new(FakeSystemClock::new());
1560        let http_client = http_client::FakeHttpClient::with_404_response();
1561        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1562        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1563        let project = cx.update(|cx| {
1564            Project::local(
1565                client,
1566                node_runtime::NodeRuntime::unavailable(),
1567                user_store,
1568                Arc::new(languages),
1569                fs,
1570                None,
1571                cx,
1572            )
1573        });
1574        for path in root_paths {
1575            let (tree, _) = project
1576                .update(cx, |project, cx| {
1577                    project.find_or_create_worktree(path, true, cx)
1578                })
1579                .await
1580                .unwrap();
1581
1582            tree.update(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1583                .await;
1584        }
1585        project
1586    }
1587
1588    pub fn dap_store(&self) -> Entity<DapStore> {
1589        self.dap_store.clone()
1590    }
1591
1592    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
1593        self.breakpoint_store.clone()
1594    }
1595
1596    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
1597        let active_position = self.breakpoint_store.read(cx).active_position()?;
1598        let session = self
1599            .dap_store
1600            .read(cx)
1601            .session_by_id(active_position.session_id)?;
1602        Some((session, active_position.clone()))
1603    }
1604
1605    pub fn lsp_store(&self) -> Entity<LspStore> {
1606        self.lsp_store.clone()
1607    }
1608
1609    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
1610        self.worktree_store.clone()
1611    }
1612
1613    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
1614        self.context_server_store.clone()
1615    }
1616
1617    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
1618        self.buffer_store.read(cx).get(remote_id)
1619    }
1620
1621    pub fn languages(&self) -> &Arc<LanguageRegistry> {
1622        &self.languages
1623    }
1624
1625    pub fn client(&self) -> Arc<Client> {
1626        self.client.clone()
1627    }
1628
1629    pub fn ssh_client(&self) -> Option<Entity<SshRemoteClient>> {
1630        self.ssh_client.clone()
1631    }
1632
1633    pub fn user_store(&self) -> Entity<UserStore> {
1634        self.user_store.clone()
1635    }
1636
1637    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
1638        self.node.as_ref()
1639    }
1640
1641    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
1642        self.buffer_store.read(cx).buffers().collect()
1643    }
1644
1645    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
1646        &self.environment
1647    }
1648
1649    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
1650        self.environment.read(cx).get_cli_environment()
1651    }
1652
1653    pub fn buffer_environment<'a>(
1654        &'a self,
1655        buffer: &Entity<Buffer>,
1656        worktree_store: &Entity<WorktreeStore>,
1657        cx: &'a mut App,
1658    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1659        self.environment.update(cx, |environment, cx| {
1660            environment.get_buffer_environment(&buffer, &worktree_store, cx)
1661        })
1662    }
1663
1664    pub fn directory_environment(
1665        &self,
1666        abs_path: Arc<Path>,
1667        cx: &mut App,
1668    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1669        self.environment.update(cx, |environment, cx| {
1670            environment.get_directory_environment(abs_path, cx)
1671        })
1672    }
1673
1674    pub fn shell_environment_errors<'a>(
1675        &'a self,
1676        cx: &'a App,
1677    ) -> impl Iterator<Item = (&'a Arc<Path>, &'a EnvironmentErrorMessage)> {
1678        self.environment.read(cx).environment_errors()
1679    }
1680
1681    pub fn remove_environment_error(&mut self, abs_path: &Path, cx: &mut Context<Self>) {
1682        self.environment.update(cx, |environment, cx| {
1683            environment.remove_environment_error(abs_path, cx);
1684        });
1685    }
1686
1687    #[cfg(any(test, feature = "test-support"))]
1688    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
1689        self.buffer_store
1690            .read(cx)
1691            .get_by_path(&path.into(), cx)
1692            .is_some()
1693    }
1694
1695    pub fn fs(&self) -> &Arc<dyn Fs> {
1696        &self.fs
1697    }
1698
1699    pub fn remote_id(&self) -> Option<u64> {
1700        match self.client_state {
1701            ProjectClientState::Local => None,
1702            ProjectClientState::Shared { remote_id, .. }
1703            | ProjectClientState::Remote { remote_id, .. } => Some(remote_id),
1704        }
1705    }
1706
1707    pub fn supports_terminal(&self, _cx: &App) -> bool {
1708        if self.is_local() {
1709            return true;
1710        }
1711        if self.is_via_ssh() {
1712            return true;
1713        }
1714
1715        return false;
1716    }
1717
1718    pub fn ssh_connection_string(&self, cx: &App) -> Option<SharedString> {
1719        if let Some(ssh_state) = &self.ssh_client {
1720            return Some(ssh_state.read(cx).connection_string().into());
1721        }
1722
1723        return None;
1724    }
1725
1726    pub fn ssh_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
1727        self.ssh_client
1728            .as_ref()
1729            .map(|ssh| ssh.read(cx).connection_state())
1730    }
1731
1732    pub fn ssh_connection_options(&self, cx: &App) -> Option<SshConnectionOptions> {
1733        self.ssh_client
1734            .as_ref()
1735            .map(|ssh| ssh.read(cx).connection_options())
1736    }
1737
1738    pub fn replica_id(&self) -> ReplicaId {
1739        match self.client_state {
1740            ProjectClientState::Remote { replica_id, .. } => replica_id,
1741            _ => {
1742                if self.ssh_client.is_some() {
1743                    1
1744                } else {
1745                    0
1746                }
1747            }
1748        }
1749    }
1750
1751    pub fn task_store(&self) -> &Entity<TaskStore> {
1752        &self.task_store
1753    }
1754
1755    pub fn snippets(&self) -> &Entity<SnippetProvider> {
1756        &self.snippets
1757    }
1758
1759    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
1760        match kind {
1761            SearchInputKind::Query => &self.search_history,
1762            SearchInputKind::Include => &self.search_included_history,
1763            SearchInputKind::Exclude => &self.search_excluded_history,
1764        }
1765    }
1766
1767    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
1768        match kind {
1769            SearchInputKind::Query => &mut self.search_history,
1770            SearchInputKind::Include => &mut self.search_included_history,
1771            SearchInputKind::Exclude => &mut self.search_excluded_history,
1772        }
1773    }
1774
1775    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
1776        &self.collaborators
1777    }
1778
1779    pub fn host(&self) -> Option<&Collaborator> {
1780        self.collaborators.values().find(|c| c.is_host)
1781    }
1782
1783    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
1784        self.worktree_store.update(cx, |store, _| {
1785            store.set_worktrees_reordered(worktrees_reordered);
1786        });
1787    }
1788
1789    /// Collect all worktrees, including ones that don't appear in the project panel
1790    pub fn worktrees<'a>(
1791        &self,
1792        cx: &'a App,
1793    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
1794        self.worktree_store.read(cx).worktrees()
1795    }
1796
1797    /// Collect all user-visible worktrees, the ones that appear in the project panel.
1798    pub fn visible_worktrees<'a>(
1799        &'a self,
1800        cx: &'a App,
1801    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
1802        self.worktree_store.read(cx).visible_worktrees(cx)
1803    }
1804
1805    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
1806        self.visible_worktrees(cx)
1807            .find(|tree| tree.read(cx).root_name() == root_name)
1808    }
1809
1810    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
1811        self.visible_worktrees(cx)
1812            .map(|tree| tree.read(cx).root_name())
1813    }
1814
1815    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
1816        self.worktree_store.read(cx).worktree_for_id(id, cx)
1817    }
1818
1819    pub fn worktree_for_entry(
1820        &self,
1821        entry_id: ProjectEntryId,
1822        cx: &App,
1823    ) -> Option<Entity<Worktree>> {
1824        self.worktree_store
1825            .read(cx)
1826            .worktree_for_entry(entry_id, cx)
1827    }
1828
1829    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
1830        self.worktree_for_entry(entry_id, cx)
1831            .map(|worktree| worktree.read(cx).id())
1832    }
1833
1834    /// Checks if the entry is the root of a worktree.
1835    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
1836        self.worktree_for_entry(entry_id, cx)
1837            .map(|worktree| {
1838                worktree
1839                    .read(cx)
1840                    .root_entry()
1841                    .is_some_and(|e| e.id == entry_id)
1842            })
1843            .unwrap_or(false)
1844    }
1845
1846    pub fn project_path_git_status(
1847        &self,
1848        project_path: &ProjectPath,
1849        cx: &App,
1850    ) -> Option<FileStatus> {
1851        self.git_store
1852            .read(cx)
1853            .project_path_git_status(project_path, cx)
1854    }
1855
1856    pub fn visibility_for_paths(
1857        &self,
1858        paths: &[PathBuf],
1859        metadatas: &[Metadata],
1860        exclude_sub_dirs: bool,
1861        cx: &App,
1862    ) -> Option<bool> {
1863        paths
1864            .iter()
1865            .zip(metadatas)
1866            .map(|(path, metadata)| self.visibility_for_path(path, metadata, exclude_sub_dirs, cx))
1867            .max()
1868            .flatten()
1869    }
1870
1871    pub fn visibility_for_path(
1872        &self,
1873        path: &Path,
1874        metadata: &Metadata,
1875        exclude_sub_dirs: bool,
1876        cx: &App,
1877    ) -> Option<bool> {
1878        let sanitized_path = SanitizedPath::from(path);
1879        let path = sanitized_path.as_path();
1880        self.worktrees(cx)
1881            .filter_map(|worktree| {
1882                let worktree = worktree.read(cx);
1883                let abs_path = worktree.as_local()?.abs_path();
1884                let contains = path == abs_path
1885                    || (path.starts_with(abs_path) && (!exclude_sub_dirs || !metadata.is_dir));
1886                contains.then(|| worktree.is_visible())
1887            })
1888            .max()
1889    }
1890
1891    pub fn create_entry(
1892        &mut self,
1893        project_path: impl Into<ProjectPath>,
1894        is_directory: bool,
1895        cx: &mut Context<Self>,
1896    ) -> Task<Result<CreatedEntry>> {
1897        let project_path = project_path.into();
1898        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
1899            return Task::ready(Err(anyhow!(format!(
1900                "No worktree for path {project_path:?}"
1901            ))));
1902        };
1903        worktree.update(cx, |worktree, cx| {
1904            worktree.create_entry(project_path.path, is_directory, None, cx)
1905        })
1906    }
1907
1908    pub fn copy_entry(
1909        &mut self,
1910        entry_id: ProjectEntryId,
1911        relative_worktree_source_path: Option<PathBuf>,
1912        new_path: impl Into<Arc<Path>>,
1913        cx: &mut Context<Self>,
1914    ) -> Task<Result<Option<Entry>>> {
1915        let Some(worktree) = self.worktree_for_entry(entry_id, cx) else {
1916            return Task::ready(Ok(None));
1917        };
1918        worktree.update(cx, |worktree, cx| {
1919            worktree.copy_entry(entry_id, relative_worktree_source_path, new_path, cx)
1920        })
1921    }
1922
1923    /// Renames the project entry with given `entry_id`.
1924    ///
1925    /// `new_path` is a relative path to worktree root.
1926    /// If root entry is renamed then its new root name is used instead.
1927    pub fn rename_entry(
1928        &mut self,
1929        entry_id: ProjectEntryId,
1930        new_path: impl Into<Arc<Path>>,
1931        cx: &mut Context<Self>,
1932    ) -> Task<Result<CreatedEntry>> {
1933        let worktree_store = self.worktree_store.read(cx);
1934        let new_path = new_path.into();
1935        let Some((worktree, old_path, is_dir)) = worktree_store
1936            .worktree_and_entry_for_id(entry_id, cx)
1937            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
1938        else {
1939            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
1940        };
1941
1942        let worktree_id = worktree.read(cx).id();
1943        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
1944
1945        let lsp_store = self.lsp_store().downgrade();
1946        cx.spawn(async move |_, cx| {
1947            let (old_abs_path, new_abs_path) = {
1948                let root_path = worktree.update(cx, |this, _| this.abs_path())?;
1949                let new_abs_path = if is_root_entry {
1950                    root_path.parent().unwrap().join(&new_path)
1951                } else {
1952                    root_path.join(&new_path)
1953                };
1954                (root_path.join(&old_path), new_abs_path)
1955            };
1956            LspStore::will_rename_entry(
1957                lsp_store.clone(),
1958                worktree_id,
1959                &old_abs_path,
1960                &new_abs_path,
1961                is_dir,
1962                cx.clone(),
1963            )
1964            .await;
1965
1966            let entry = worktree
1967                .update(cx, |worktree, cx| {
1968                    worktree.rename_entry(entry_id, new_path.clone(), cx)
1969                })?
1970                .await?;
1971
1972            lsp_store
1973                .update(cx, |this, _| {
1974                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
1975                })
1976                .ok();
1977            Ok(entry)
1978        })
1979    }
1980
1981    pub fn delete_file(
1982        &mut self,
1983        path: ProjectPath,
1984        trash: bool,
1985        cx: &mut Context<Self>,
1986    ) -> Option<Task<Result<()>>> {
1987        let entry = self.entry_for_path(&path, cx)?;
1988        self.delete_entry(entry.id, trash, cx)
1989    }
1990
1991    pub fn delete_entry(
1992        &mut self,
1993        entry_id: ProjectEntryId,
1994        trash: bool,
1995        cx: &mut Context<Self>,
1996    ) -> Option<Task<Result<()>>> {
1997        let worktree = self.worktree_for_entry(entry_id, cx)?;
1998        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
1999        worktree.update(cx, |worktree, cx| {
2000            worktree.delete_entry(entry_id, trash, cx)
2001        })
2002    }
2003
2004    pub fn expand_entry(
2005        &mut self,
2006        worktree_id: WorktreeId,
2007        entry_id: ProjectEntryId,
2008        cx: &mut Context<Self>,
2009    ) -> Option<Task<Result<()>>> {
2010        let worktree = self.worktree_for_id(worktree_id, cx)?;
2011        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2012    }
2013
2014    pub fn expand_all_for_entry(
2015        &mut self,
2016        worktree_id: WorktreeId,
2017        entry_id: ProjectEntryId,
2018        cx: &mut Context<Self>,
2019    ) -> Option<Task<Result<()>>> {
2020        let worktree = self.worktree_for_id(worktree_id, cx)?;
2021        let task = worktree.update(cx, |worktree, cx| {
2022            worktree.expand_all_for_entry(entry_id, cx)
2023        });
2024        Some(cx.spawn(async move |this, cx| {
2025            task.context("no task")?.await?;
2026            this.update(cx, |_, cx| {
2027                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2028            })?;
2029            Ok(())
2030        }))
2031    }
2032
2033    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2034        anyhow::ensure!(
2035            matches!(self.client_state, ProjectClientState::Local),
2036            "project was already shared"
2037        );
2038
2039        self.client_subscriptions.extend([
2040            self.client
2041                .subscribe_to_entity(project_id)?
2042                .set_entity(&cx.entity(), &mut cx.to_async()),
2043            self.client
2044                .subscribe_to_entity(project_id)?
2045                .set_entity(&self.worktree_store, &mut cx.to_async()),
2046            self.client
2047                .subscribe_to_entity(project_id)?
2048                .set_entity(&self.buffer_store, &mut cx.to_async()),
2049            self.client
2050                .subscribe_to_entity(project_id)?
2051                .set_entity(&self.lsp_store, &mut cx.to_async()),
2052            self.client
2053                .subscribe_to_entity(project_id)?
2054                .set_entity(&self.settings_observer, &mut cx.to_async()),
2055            self.client
2056                .subscribe_to_entity(project_id)?
2057                .set_entity(&self.dap_store, &mut cx.to_async()),
2058            self.client
2059                .subscribe_to_entity(project_id)?
2060                .set_entity(&self.breakpoint_store, &mut cx.to_async()),
2061            self.client
2062                .subscribe_to_entity(project_id)?
2063                .set_entity(&self.git_store, &mut cx.to_async()),
2064        ]);
2065
2066        self.buffer_store.update(cx, |buffer_store, cx| {
2067            buffer_store.shared(project_id, self.client.clone().into(), cx)
2068        });
2069        self.worktree_store.update(cx, |worktree_store, cx| {
2070            worktree_store.shared(project_id, self.client.clone().into(), cx);
2071        });
2072        self.lsp_store.update(cx, |lsp_store, cx| {
2073            lsp_store.shared(project_id, self.client.clone().into(), cx)
2074        });
2075        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2076            breakpoint_store.shared(project_id, self.client.clone().into())
2077        });
2078        self.dap_store.update(cx, |dap_store, cx| {
2079            dap_store.shared(project_id, self.client.clone().into(), cx);
2080        });
2081        self.task_store.update(cx, |task_store, cx| {
2082            task_store.shared(project_id, self.client.clone().into(), cx);
2083        });
2084        self.settings_observer.update(cx, |settings_observer, cx| {
2085            settings_observer.shared(project_id, self.client.clone().into(), cx)
2086        });
2087        self.git_store.update(cx, |git_store, cx| {
2088            git_store.shared(project_id, self.client.clone().into(), cx)
2089        });
2090
2091        self.client_state = ProjectClientState::Shared {
2092            remote_id: project_id,
2093        };
2094
2095        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2096        Ok(())
2097    }
2098
2099    pub fn reshared(
2100        &mut self,
2101        message: proto::ResharedProject,
2102        cx: &mut Context<Self>,
2103    ) -> Result<()> {
2104        self.buffer_store
2105            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2106        self.set_collaborators_from_proto(message.collaborators, cx)?;
2107
2108        self.worktree_store.update(cx, |worktree_store, cx| {
2109            worktree_store.send_project_updates(cx);
2110        });
2111        if let Some(remote_id) = self.remote_id() {
2112            self.git_store.update(cx, |git_store, cx| {
2113                git_store.shared(remote_id, self.client.clone().into(), cx)
2114            });
2115        }
2116        cx.emit(Event::Reshared);
2117        Ok(())
2118    }
2119
2120    pub fn rejoined(
2121        &mut self,
2122        message: proto::RejoinedProject,
2123        message_id: u32,
2124        cx: &mut Context<Self>,
2125    ) -> Result<()> {
2126        cx.update_global::<SettingsStore, _>(|store, cx| {
2127            self.worktree_store.update(cx, |worktree_store, cx| {
2128                for worktree in worktree_store.worktrees() {
2129                    store
2130                        .clear_local_settings(worktree.read(cx).id(), cx)
2131                        .log_err();
2132                }
2133            });
2134        });
2135
2136        self.join_project_response_message_id = message_id;
2137        self.set_worktrees_from_proto(message.worktrees, cx)?;
2138        self.set_collaborators_from_proto(message.collaborators, cx)?;
2139        self.lsp_store.update(cx, |lsp_store, _| {
2140            lsp_store.set_language_server_statuses_from_proto(message.language_servers)
2141        });
2142        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2143            .unwrap();
2144        cx.emit(Event::Rejoined);
2145        Ok(())
2146    }
2147
2148    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2149        self.unshare_internal(cx)?;
2150        cx.emit(Event::RemoteIdChanged(None));
2151        Ok(())
2152    }
2153
2154    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2155        anyhow::ensure!(
2156            !self.is_via_collab(),
2157            "attempted to unshare a remote project"
2158        );
2159
2160        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2161            self.client_state = ProjectClientState::Local;
2162            self.collaborators.clear();
2163            self.client_subscriptions.clear();
2164            self.worktree_store.update(cx, |store, cx| {
2165                store.unshared(cx);
2166            });
2167            self.buffer_store.update(cx, |buffer_store, cx| {
2168                buffer_store.forget_shared_buffers();
2169                buffer_store.unshared(cx)
2170            });
2171            self.task_store.update(cx, |task_store, cx| {
2172                task_store.unshared(cx);
2173            });
2174            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2175                breakpoint_store.unshared(cx);
2176            });
2177            self.dap_store.update(cx, |dap_store, cx| {
2178                dap_store.unshared(cx);
2179            });
2180            self.settings_observer.update(cx, |settings_observer, cx| {
2181                settings_observer.unshared(cx);
2182            });
2183            self.git_store.update(cx, |git_store, cx| {
2184                git_store.unshared(cx);
2185            });
2186
2187            self.client
2188                .send(proto::UnshareProject {
2189                    project_id: remote_id,
2190                })
2191                .ok();
2192            Ok(())
2193        } else {
2194            anyhow::bail!("attempted to unshare an unshared project");
2195        }
2196    }
2197
2198    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2199        if self.is_disconnected(cx) {
2200            return;
2201        }
2202        self.disconnected_from_host_internal(cx);
2203        cx.emit(Event::DisconnectedFromHost);
2204    }
2205
2206    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2207        let new_capability =
2208            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2209                Capability::ReadWrite
2210            } else {
2211                Capability::ReadOnly
2212            };
2213        if let ProjectClientState::Remote { capability, .. } = &mut self.client_state {
2214            if *capability == new_capability {
2215                return;
2216            }
2217
2218            *capability = new_capability;
2219            for buffer in self.opened_buffers(cx) {
2220                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2221            }
2222        }
2223    }
2224
2225    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2226        if let ProjectClientState::Remote {
2227            sharing_has_stopped,
2228            ..
2229        } = &mut self.client_state
2230        {
2231            *sharing_has_stopped = true;
2232            self.collaborators.clear();
2233            self.worktree_store.update(cx, |store, cx| {
2234                store.disconnected_from_host(cx);
2235            });
2236            self.buffer_store.update(cx, |buffer_store, cx| {
2237                buffer_store.disconnected_from_host(cx)
2238            });
2239            self.lsp_store
2240                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2241        }
2242    }
2243
2244    pub fn close(&mut self, cx: &mut Context<Self>) {
2245        cx.emit(Event::Closed);
2246    }
2247
2248    pub fn is_disconnected(&self, cx: &App) -> bool {
2249        match &self.client_state {
2250            ProjectClientState::Remote {
2251                sharing_has_stopped,
2252                ..
2253            } => *sharing_has_stopped,
2254            ProjectClientState::Local if self.is_via_ssh() => self.ssh_is_disconnected(cx),
2255            _ => false,
2256        }
2257    }
2258
2259    fn ssh_is_disconnected(&self, cx: &App) -> bool {
2260        self.ssh_client
2261            .as_ref()
2262            .map(|ssh| ssh.read(cx).is_disconnected())
2263            .unwrap_or(false)
2264    }
2265
2266    pub fn capability(&self) -> Capability {
2267        match &self.client_state {
2268            ProjectClientState::Remote { capability, .. } => *capability,
2269            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2270        }
2271    }
2272
2273    pub fn is_read_only(&self, cx: &App) -> bool {
2274        self.is_disconnected(cx) || self.capability() == Capability::ReadOnly
2275    }
2276
2277    pub fn is_local(&self) -> bool {
2278        match &self.client_state {
2279            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2280                self.ssh_client.is_none()
2281            }
2282            ProjectClientState::Remote { .. } => false,
2283        }
2284    }
2285
2286    pub fn is_via_ssh(&self) -> bool {
2287        match &self.client_state {
2288            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2289                self.ssh_client.is_some()
2290            }
2291            ProjectClientState::Remote { .. } => false,
2292        }
2293    }
2294
2295    pub fn is_via_collab(&self) -> bool {
2296        match &self.client_state {
2297            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2298            ProjectClientState::Remote { .. } => true,
2299        }
2300    }
2301
2302    pub fn create_buffer(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
2303        self.buffer_store
2304            .update(cx, |buffer_store, cx| buffer_store.create_buffer(cx))
2305    }
2306
2307    pub fn create_local_buffer(
2308        &mut self,
2309        text: &str,
2310        language: Option<Arc<Language>>,
2311        cx: &mut Context<Self>,
2312    ) -> Entity<Buffer> {
2313        if self.is_via_collab() || self.is_via_ssh() {
2314            panic!("called create_local_buffer on a remote project")
2315        }
2316        self.buffer_store.update(cx, |buffer_store, cx| {
2317            buffer_store.create_local_buffer(text, language, cx)
2318        })
2319    }
2320
2321    pub fn open_path(
2322        &mut self,
2323        path: ProjectPath,
2324        cx: &mut Context<Self>,
2325    ) -> Task<Result<(Option<ProjectEntryId>, AnyEntity)>> {
2326        let task = self.open_buffer(path.clone(), cx);
2327        cx.spawn(async move |_project, cx| {
2328            let buffer = task.await?;
2329            let project_entry_id = buffer.read_with(cx, |buffer, cx| {
2330                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id(cx))
2331            })?;
2332
2333            let buffer: &AnyEntity = &buffer;
2334            Ok((project_entry_id, buffer.clone()))
2335        })
2336    }
2337
2338    pub fn open_local_buffer(
2339        &mut self,
2340        abs_path: impl AsRef<Path>,
2341        cx: &mut Context<Self>,
2342    ) -> Task<Result<Entity<Buffer>>> {
2343        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2344            self.open_buffer((worktree.read(cx).id(), relative_path), cx)
2345        } else {
2346            Task::ready(Err(anyhow!("no such path")))
2347        }
2348    }
2349
2350    #[cfg(any(test, feature = "test-support"))]
2351    pub fn open_local_buffer_with_lsp(
2352        &mut self,
2353        abs_path: impl AsRef<Path>,
2354        cx: &mut Context<Self>,
2355    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2356        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2357            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2358        } else {
2359            Task::ready(Err(anyhow!("no such path")))
2360        }
2361    }
2362
2363    pub fn open_buffer(
2364        &mut self,
2365        path: impl Into<ProjectPath>,
2366        cx: &mut App,
2367    ) -> Task<Result<Entity<Buffer>>> {
2368        if self.is_disconnected(cx) {
2369            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2370        }
2371
2372        self.buffer_store.update(cx, |buffer_store, cx| {
2373            buffer_store.open_buffer(path.into(), cx)
2374        })
2375    }
2376
2377    #[cfg(any(test, feature = "test-support"))]
2378    pub fn open_buffer_with_lsp(
2379        &mut self,
2380        path: impl Into<ProjectPath>,
2381        cx: &mut Context<Self>,
2382    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2383        let buffer = self.open_buffer(path, cx);
2384        cx.spawn(async move |this, cx| {
2385            let buffer = buffer.await?;
2386            let handle = this.update(cx, |project, cx| {
2387                project.register_buffer_with_language_servers(&buffer, cx)
2388            })?;
2389            Ok((buffer, handle))
2390        })
2391    }
2392
2393    pub fn register_buffer_with_language_servers(
2394        &self,
2395        buffer: &Entity<Buffer>,
2396        cx: &mut App,
2397    ) -> OpenLspBufferHandle {
2398        self.lsp_store.update(cx, |lsp_store, cx| {
2399            lsp_store.register_buffer_with_language_servers(&buffer, false, cx)
2400        })
2401    }
2402
2403    pub fn open_unstaged_diff(
2404        &mut self,
2405        buffer: Entity<Buffer>,
2406        cx: &mut Context<Self>,
2407    ) -> Task<Result<Entity<BufferDiff>>> {
2408        if self.is_disconnected(cx) {
2409            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2410        }
2411        self.git_store
2412            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2413    }
2414
2415    pub fn open_uncommitted_diff(
2416        &mut self,
2417        buffer: Entity<Buffer>,
2418        cx: &mut Context<Self>,
2419    ) -> Task<Result<Entity<BufferDiff>>> {
2420        if self.is_disconnected(cx) {
2421            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2422        }
2423        self.git_store.update(cx, |git_store, cx| {
2424            git_store.open_uncommitted_diff(buffer, cx)
2425        })
2426    }
2427
2428    pub fn open_buffer_by_id(
2429        &mut self,
2430        id: BufferId,
2431        cx: &mut Context<Self>,
2432    ) -> Task<Result<Entity<Buffer>>> {
2433        if let Some(buffer) = self.buffer_for_id(id, cx) {
2434            Task::ready(Ok(buffer))
2435        } else if self.is_local() || self.is_via_ssh() {
2436            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2437        } else if let Some(project_id) = self.remote_id() {
2438            let request = self.client.request(proto::OpenBufferById {
2439                project_id,
2440                id: id.into(),
2441            });
2442            cx.spawn(async move |project, cx| {
2443                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2444                project
2445                    .update(cx, |project, cx| {
2446                        project.buffer_store.update(cx, |buffer_store, cx| {
2447                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2448                        })
2449                    })?
2450                    .await
2451            })
2452        } else {
2453            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2454        }
2455    }
2456
2457    pub fn save_buffers(
2458        &self,
2459        buffers: HashSet<Entity<Buffer>>,
2460        cx: &mut Context<Self>,
2461    ) -> Task<Result<()>> {
2462        cx.spawn(async move |this, cx| {
2463            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2464                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2465                    .ok()
2466            });
2467            try_join_all(save_tasks).await?;
2468            Ok(())
2469        })
2470    }
2471
2472    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2473        self.buffer_store
2474            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2475    }
2476
2477    pub fn save_buffer_as(
2478        &mut self,
2479        buffer: Entity<Buffer>,
2480        path: ProjectPath,
2481        cx: &mut Context<Self>,
2482    ) -> Task<Result<()>> {
2483        self.buffer_store.update(cx, |buffer_store, cx| {
2484            buffer_store.save_buffer_as(buffer.clone(), path, cx)
2485        })
2486    }
2487
2488    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
2489        self.buffer_store.read(cx).get_by_path(path, cx)
2490    }
2491
2492    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
2493        {
2494            let mut remotely_created_models = self.remotely_created_models.lock();
2495            if remotely_created_models.retain_count > 0 {
2496                remotely_created_models.buffers.push(buffer.clone())
2497            }
2498        }
2499
2500        self.request_buffer_diff_recalculation(buffer, cx);
2501
2502        cx.subscribe(buffer, |this, buffer, event, cx| {
2503            this.on_buffer_event(buffer, event, cx);
2504        })
2505        .detach();
2506
2507        Ok(())
2508    }
2509
2510    pub fn open_image(
2511        &mut self,
2512        path: impl Into<ProjectPath>,
2513        cx: &mut Context<Self>,
2514    ) -> Task<Result<Entity<ImageItem>>> {
2515        if self.is_disconnected(cx) {
2516            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2517        }
2518
2519        let open_image_task = self.image_store.update(cx, |image_store, cx| {
2520            image_store.open_image(path.into(), cx)
2521        });
2522
2523        let weak_project = cx.entity().downgrade();
2524        cx.spawn(async move |_, cx| {
2525            let image_item = open_image_task.await?;
2526            let project = weak_project.upgrade().context("Project dropped")?;
2527
2528            let metadata = ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
2529            image_item.update(cx, |image_item, cx| {
2530                image_item.image_metadata = Some(metadata);
2531                cx.emit(ImageItemEvent::MetadataUpdated);
2532            })?;
2533
2534            Ok(image_item)
2535        })
2536    }
2537
2538    async fn send_buffer_ordered_messages(
2539        this: WeakEntity<Self>,
2540        rx: UnboundedReceiver<BufferOrderedMessage>,
2541        cx: &mut AsyncApp,
2542    ) -> Result<()> {
2543        const MAX_BATCH_SIZE: usize = 128;
2544
2545        let mut operations_by_buffer_id = HashMap::default();
2546        async fn flush_operations(
2547            this: &WeakEntity<Project>,
2548            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
2549            needs_resync_with_host: &mut bool,
2550            is_local: bool,
2551            cx: &mut AsyncApp,
2552        ) -> Result<()> {
2553            for (buffer_id, operations) in operations_by_buffer_id.drain() {
2554                let request = this.update(cx, |this, _| {
2555                    let project_id = this.remote_id()?;
2556                    Some(this.client.request(proto::UpdateBuffer {
2557                        buffer_id: buffer_id.into(),
2558                        project_id,
2559                        operations,
2560                    }))
2561                })?;
2562                if let Some(request) = request {
2563                    if request.await.is_err() && !is_local {
2564                        *needs_resync_with_host = true;
2565                        break;
2566                    }
2567                }
2568            }
2569            Ok(())
2570        }
2571
2572        let mut needs_resync_with_host = false;
2573        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2574
2575        while let Some(changes) = changes.next().await {
2576            let is_local = this.update(cx, |this, _| this.is_local())?;
2577
2578            for change in changes {
2579                match change {
2580                    BufferOrderedMessage::Operation {
2581                        buffer_id,
2582                        operation,
2583                    } => {
2584                        if needs_resync_with_host {
2585                            continue;
2586                        }
2587
2588                        operations_by_buffer_id
2589                            .entry(buffer_id)
2590                            .or_insert(Vec::new())
2591                            .push(operation);
2592                    }
2593
2594                    BufferOrderedMessage::Resync => {
2595                        operations_by_buffer_id.clear();
2596                        if this
2597                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
2598                            .await
2599                            .is_ok()
2600                        {
2601                            needs_resync_with_host = false;
2602                        }
2603                    }
2604
2605                    BufferOrderedMessage::LanguageServerUpdate {
2606                        language_server_id,
2607                        message,
2608                    } => {
2609                        flush_operations(
2610                            &this,
2611                            &mut operations_by_buffer_id,
2612                            &mut needs_resync_with_host,
2613                            is_local,
2614                            cx,
2615                        )
2616                        .await?;
2617
2618                        this.update(cx, |this, _| {
2619                            if let Some(project_id) = this.remote_id() {
2620                                this.client
2621                                    .send(proto::UpdateLanguageServer {
2622                                        project_id,
2623                                        language_server_id: language_server_id.0 as u64,
2624                                        variant: Some(message),
2625                                    })
2626                                    .log_err();
2627                            }
2628                        })?;
2629                    }
2630                }
2631            }
2632
2633            flush_operations(
2634                &this,
2635                &mut operations_by_buffer_id,
2636                &mut needs_resync_with_host,
2637                is_local,
2638                cx,
2639            )
2640            .await?;
2641        }
2642
2643        Ok(())
2644    }
2645
2646    fn on_buffer_store_event(
2647        &mut self,
2648        _: Entity<BufferStore>,
2649        event: &BufferStoreEvent,
2650        cx: &mut Context<Self>,
2651    ) {
2652        match event {
2653            BufferStoreEvent::BufferAdded(buffer) => {
2654                self.register_buffer(buffer, cx).log_err();
2655            }
2656            BufferStoreEvent::BufferDropped(buffer_id) => {
2657                if let Some(ref ssh_client) = self.ssh_client {
2658                    ssh_client
2659                        .read(cx)
2660                        .proto_client()
2661                        .send(proto::CloseBuffer {
2662                            project_id: 0,
2663                            buffer_id: buffer_id.to_proto(),
2664                        })
2665                        .log_err();
2666                }
2667            }
2668            _ => {}
2669        }
2670    }
2671
2672    fn on_image_store_event(
2673        &mut self,
2674        _: Entity<ImageStore>,
2675        event: &ImageStoreEvent,
2676        cx: &mut Context<Self>,
2677    ) {
2678        match event {
2679            ImageStoreEvent::ImageAdded(image) => {
2680                cx.subscribe(image, |this, image, event, cx| {
2681                    this.on_image_event(image, event, cx);
2682                })
2683                .detach();
2684            }
2685        }
2686    }
2687
2688    fn on_dap_store_event(
2689        &mut self,
2690        _: Entity<DapStore>,
2691        event: &DapStoreEvent,
2692        cx: &mut Context<Self>,
2693    ) {
2694        match event {
2695            DapStoreEvent::Notification(message) => {
2696                cx.emit(Event::Toast {
2697                    notification_id: "dap".into(),
2698                    message: message.clone(),
2699                });
2700            }
2701            _ => {}
2702        }
2703    }
2704
2705    fn on_lsp_store_event(
2706        &mut self,
2707        _: Entity<LspStore>,
2708        event: &LspStoreEvent,
2709        cx: &mut Context<Self>,
2710    ) {
2711        match event {
2712            LspStoreEvent::DiagnosticsUpdated {
2713                language_server_id,
2714                path,
2715            } => cx.emit(Event::DiagnosticsUpdated {
2716                path: path.clone(),
2717                language_server_id: *language_server_id,
2718            }),
2719            LspStoreEvent::LanguageServerAdded(language_server_id, name, worktree_id) => cx.emit(
2720                Event::LanguageServerAdded(*language_server_id, name.clone(), *worktree_id),
2721            ),
2722            LspStoreEvent::LanguageServerRemoved(language_server_id) => {
2723                cx.emit(Event::LanguageServerRemoved(*language_server_id))
2724            }
2725            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
2726                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
2727            ),
2728            LspStoreEvent::LanguageDetected {
2729                buffer,
2730                new_language,
2731            } => {
2732                let Some(_) = new_language else {
2733                    cx.emit(Event::LanguageNotFound(buffer.clone()));
2734                    return;
2735                };
2736            }
2737            LspStoreEvent::RefreshInlayHints => cx.emit(Event::RefreshInlayHints),
2738            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
2739            LspStoreEvent::LanguageServerPrompt(prompt) => {
2740                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
2741            }
2742            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
2743                cx.emit(Event::DiskBasedDiagnosticsStarted {
2744                    language_server_id: *language_server_id,
2745                });
2746            }
2747            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
2748                cx.emit(Event::DiskBasedDiagnosticsFinished {
2749                    language_server_id: *language_server_id,
2750                });
2751            }
2752            LspStoreEvent::LanguageServerUpdate {
2753                language_server_id,
2754                message,
2755            } => {
2756                if self.is_local() {
2757                    self.enqueue_buffer_ordered_message(
2758                        BufferOrderedMessage::LanguageServerUpdate {
2759                            language_server_id: *language_server_id,
2760                            message: message.clone(),
2761                        },
2762                    )
2763                    .ok();
2764                }
2765            }
2766            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
2767                notification_id: "lsp".into(),
2768                message: message.clone(),
2769            }),
2770            LspStoreEvent::SnippetEdit {
2771                buffer_id,
2772                edits,
2773                most_recent_edit,
2774            } => {
2775                if most_recent_edit.replica_id == self.replica_id() {
2776                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
2777                }
2778            }
2779        }
2780    }
2781
2782    fn on_ssh_event(
2783        &mut self,
2784        _: Entity<SshRemoteClient>,
2785        event: &remote::SshRemoteEvent,
2786        cx: &mut Context<Self>,
2787    ) {
2788        match event {
2789            remote::SshRemoteEvent::Disconnected => {
2790                // if self.is_via_ssh() {
2791                // self.collaborators.clear();
2792                self.worktree_store.update(cx, |store, cx| {
2793                    store.disconnected_from_host(cx);
2794                });
2795                self.buffer_store.update(cx, |buffer_store, cx| {
2796                    buffer_store.disconnected_from_host(cx)
2797                });
2798                self.lsp_store.update(cx, |lsp_store, _cx| {
2799                    lsp_store.disconnected_from_ssh_remote()
2800                });
2801                cx.emit(Event::DisconnectedFromSshRemote);
2802            }
2803        }
2804    }
2805
2806    fn on_settings_observer_event(
2807        &mut self,
2808        _: Entity<SettingsObserver>,
2809        event: &SettingsObserverEvent,
2810        cx: &mut Context<Self>,
2811    ) {
2812        match event {
2813            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
2814                Err(InvalidSettingsError::LocalSettings { message, path }) => {
2815                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
2816                    cx.emit(Event::Toast {
2817                        notification_id: format!("local-settings-{path:?}").into(),
2818                        message,
2819                    });
2820                }
2821                Ok(path) => cx.emit(Event::HideToast {
2822                    notification_id: format!("local-settings-{path:?}").into(),
2823                }),
2824                Err(_) => {}
2825            },
2826            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
2827                Err(InvalidSettingsError::Tasks { message, path }) => {
2828                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
2829                    cx.emit(Event::Toast {
2830                        notification_id: format!("local-tasks-{path:?}").into(),
2831                        message,
2832                    });
2833                }
2834                Ok(path) => cx.emit(Event::HideToast {
2835                    notification_id: format!("local-tasks-{path:?}").into(),
2836                }),
2837                Err(_) => {}
2838            },
2839        }
2840    }
2841
2842    fn on_worktree_store_event(
2843        &mut self,
2844        _: Entity<WorktreeStore>,
2845        event: &WorktreeStoreEvent,
2846        cx: &mut Context<Self>,
2847    ) {
2848        match event {
2849            WorktreeStoreEvent::WorktreeAdded(worktree) => {
2850                self.on_worktree_added(worktree, cx);
2851                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
2852            }
2853            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
2854                cx.emit(Event::WorktreeRemoved(*id));
2855            }
2856            WorktreeStoreEvent::WorktreeReleased(_, id) => {
2857                self.on_worktree_released(*id, cx);
2858            }
2859            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
2860            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
2861            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
2862                self.client()
2863                    .telemetry()
2864                    .report_discovered_project_events(*worktree_id, changes);
2865                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
2866            }
2867            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
2868                cx.emit(Event::DeletedEntry(*worktree_id, *id))
2869            }
2870            // Listen to the GitStore instead.
2871            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
2872        }
2873    }
2874
2875    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
2876        let mut remotely_created_models = self.remotely_created_models.lock();
2877        if remotely_created_models.retain_count > 0 {
2878            remotely_created_models.worktrees.push(worktree.clone())
2879        }
2880    }
2881
2882    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
2883        if let Some(ssh) = &self.ssh_client {
2884            ssh.read(cx)
2885                .proto_client()
2886                .send(proto::RemoveWorktree {
2887                    worktree_id: id_to_remove.to_proto(),
2888                })
2889                .log_err();
2890        }
2891    }
2892
2893    fn on_buffer_event(
2894        &mut self,
2895        buffer: Entity<Buffer>,
2896        event: &BufferEvent,
2897        cx: &mut Context<Self>,
2898    ) -> Option<()> {
2899        if matches!(event, BufferEvent::Edited { .. } | BufferEvent::Reloaded) {
2900            self.request_buffer_diff_recalculation(&buffer, cx);
2901        }
2902
2903        let buffer_id = buffer.read(cx).remote_id();
2904        match event {
2905            BufferEvent::ReloadNeeded => {
2906                if !self.is_via_collab() {
2907                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
2908                        .detach_and_log_err(cx);
2909                }
2910            }
2911            BufferEvent::Operation {
2912                operation,
2913                is_local: true,
2914            } => {
2915                let operation = language::proto::serialize_operation(operation);
2916
2917                if let Some(ssh) = &self.ssh_client {
2918                    ssh.read(cx)
2919                        .proto_client()
2920                        .send(proto::UpdateBuffer {
2921                            project_id: 0,
2922                            buffer_id: buffer_id.to_proto(),
2923                            operations: vec![operation.clone()],
2924                        })
2925                        .ok();
2926                }
2927
2928                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
2929                    buffer_id,
2930                    operation,
2931                })
2932                .ok();
2933            }
2934
2935            _ => {}
2936        }
2937
2938        None
2939    }
2940
2941    fn on_image_event(
2942        &mut self,
2943        image: Entity<ImageItem>,
2944        event: &ImageItemEvent,
2945        cx: &mut Context<Self>,
2946    ) -> Option<()> {
2947        match event {
2948            ImageItemEvent::ReloadNeeded => {
2949                if !self.is_via_collab() {
2950                    self.reload_images([image.clone()].into_iter().collect(), cx)
2951                        .detach_and_log_err(cx);
2952                }
2953            }
2954            _ => {}
2955        }
2956
2957        None
2958    }
2959
2960    fn request_buffer_diff_recalculation(
2961        &mut self,
2962        buffer: &Entity<Buffer>,
2963        cx: &mut Context<Self>,
2964    ) {
2965        self.buffers_needing_diff.insert(buffer.downgrade());
2966        let first_insertion = self.buffers_needing_diff.len() == 1;
2967
2968        let settings = ProjectSettings::get_global(cx);
2969        let delay = if let Some(delay) = settings.git.gutter_debounce {
2970            delay
2971        } else {
2972            if first_insertion {
2973                let this = cx.weak_entity();
2974                cx.defer(move |cx| {
2975                    if let Some(this) = this.upgrade() {
2976                        this.update(cx, |this, cx| {
2977                            this.recalculate_buffer_diffs(cx).detach();
2978                        });
2979                    }
2980                });
2981            }
2982            return;
2983        };
2984
2985        const MIN_DELAY: u64 = 50;
2986        let delay = delay.max(MIN_DELAY);
2987        let duration = Duration::from_millis(delay);
2988
2989        self.git_diff_debouncer
2990            .fire_new(duration, cx, move |this, cx| {
2991                this.recalculate_buffer_diffs(cx)
2992            });
2993    }
2994
2995    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
2996        cx.spawn(async move |this, cx| {
2997            loop {
2998                let task = this
2999                    .update(cx, |this, cx| {
3000                        let buffers = this
3001                            .buffers_needing_diff
3002                            .drain()
3003                            .filter_map(|buffer| buffer.upgrade())
3004                            .collect::<Vec<_>>();
3005                        if buffers.is_empty() {
3006                            None
3007                        } else {
3008                            Some(this.git_store.update(cx, |git_store, cx| {
3009                                git_store.recalculate_buffer_diffs(buffers, cx)
3010                            }))
3011                        }
3012                    })
3013                    .ok()
3014                    .flatten();
3015
3016                if let Some(task) = task {
3017                    task.await;
3018                } else {
3019                    break;
3020                }
3021            }
3022        })
3023    }
3024
3025    pub fn set_language_for_buffer(
3026        &mut self,
3027        buffer: &Entity<Buffer>,
3028        new_language: Arc<Language>,
3029        cx: &mut Context<Self>,
3030    ) {
3031        self.lsp_store.update(cx, |lsp_store, cx| {
3032            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3033        })
3034    }
3035
3036    pub fn restart_language_servers_for_buffers(
3037        &mut self,
3038        buffers: Vec<Entity<Buffer>>,
3039        cx: &mut Context<Self>,
3040    ) {
3041        self.lsp_store.update(cx, |lsp_store, cx| {
3042            lsp_store.restart_language_servers_for_buffers(buffers, cx)
3043        })
3044    }
3045
3046    pub fn stop_language_servers_for_buffers(
3047        &mut self,
3048        buffers: Vec<Entity<Buffer>>,
3049        cx: &mut Context<Self>,
3050    ) {
3051        self.lsp_store.update(cx, |lsp_store, cx| {
3052            lsp_store.stop_language_servers_for_buffers(buffers, cx)
3053        })
3054    }
3055
3056    pub fn cancel_language_server_work_for_buffers(
3057        &mut self,
3058        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3059        cx: &mut Context<Self>,
3060    ) {
3061        self.lsp_store.update(cx, |lsp_store, cx| {
3062            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3063        })
3064    }
3065
3066    pub fn cancel_language_server_work(
3067        &mut self,
3068        server_id: LanguageServerId,
3069        token_to_cancel: Option<String>,
3070        cx: &mut Context<Self>,
3071    ) {
3072        self.lsp_store.update(cx, |lsp_store, cx| {
3073            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3074        })
3075    }
3076
3077    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3078        self.buffer_ordered_messages_tx
3079            .unbounded_send(message)
3080            .map_err(|e| anyhow!(e))
3081    }
3082
3083    pub fn available_toolchains(
3084        &self,
3085        path: ProjectPath,
3086        language_name: LanguageName,
3087        cx: &App,
3088    ) -> Task<Option<ToolchainList>> {
3089        if let Some(toolchain_store) = self.toolchain_store.clone() {
3090            cx.spawn(async move |cx| {
3091                cx.update(|cx| {
3092                    toolchain_store
3093                        .read(cx)
3094                        .list_toolchains(path, language_name, cx)
3095                })
3096                .ok()?
3097                .await
3098            })
3099        } else {
3100            Task::ready(None)
3101        }
3102    }
3103
3104    pub async fn toolchain_term(
3105        languages: Arc<LanguageRegistry>,
3106        language_name: LanguageName,
3107    ) -> Option<SharedString> {
3108        languages
3109            .language_for_name(language_name.as_ref())
3110            .await
3111            .ok()?
3112            .toolchain_lister()
3113            .map(|lister| lister.term())
3114    }
3115
3116    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3117        self.toolchain_store.clone()
3118    }
3119    pub fn activate_toolchain(
3120        &self,
3121        path: ProjectPath,
3122        toolchain: Toolchain,
3123        cx: &mut App,
3124    ) -> Task<Option<()>> {
3125        let Some(toolchain_store) = self.toolchain_store.clone() else {
3126            return Task::ready(None);
3127        };
3128        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3129    }
3130    pub fn active_toolchain(
3131        &self,
3132        path: ProjectPath,
3133        language_name: LanguageName,
3134        cx: &App,
3135    ) -> Task<Option<Toolchain>> {
3136        let Some(toolchain_store) = self.toolchain_store.clone() else {
3137            return Task::ready(None);
3138        };
3139        toolchain_store
3140            .read(cx)
3141            .active_toolchain(path, language_name, cx)
3142    }
3143    pub fn language_server_statuses<'a>(
3144        &'a self,
3145        cx: &'a App,
3146    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3147        self.lsp_store.read(cx).language_server_statuses()
3148    }
3149
3150    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3151        self.lsp_store.read(cx).last_formatting_failure()
3152    }
3153
3154    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3155        self.lsp_store
3156            .update(cx, |store, _| store.reset_last_formatting_failure());
3157    }
3158
3159    pub fn reload_buffers(
3160        &self,
3161        buffers: HashSet<Entity<Buffer>>,
3162        push_to_history: bool,
3163        cx: &mut Context<Self>,
3164    ) -> Task<Result<ProjectTransaction>> {
3165        self.buffer_store.update(cx, |buffer_store, cx| {
3166            buffer_store.reload_buffers(buffers, push_to_history, cx)
3167        })
3168    }
3169
3170    pub fn reload_images(
3171        &self,
3172        images: HashSet<Entity<ImageItem>>,
3173        cx: &mut Context<Self>,
3174    ) -> Task<Result<()>> {
3175        self.image_store
3176            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3177    }
3178
3179    pub fn format(
3180        &mut self,
3181        buffers: HashSet<Entity<Buffer>>,
3182        target: LspFormatTarget,
3183        push_to_history: bool,
3184        trigger: lsp_store::FormatTrigger,
3185        cx: &mut Context<Project>,
3186    ) -> Task<anyhow::Result<ProjectTransaction>> {
3187        self.lsp_store.update(cx, |lsp_store, cx| {
3188            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3189        })
3190    }
3191
3192    #[inline(never)]
3193    fn definition_impl(
3194        &mut self,
3195        buffer: &Entity<Buffer>,
3196        position: PointUtf16,
3197        cx: &mut Context<Self>,
3198    ) -> Task<Result<Vec<LocationLink>>> {
3199        self.request_lsp(
3200            buffer.clone(),
3201            LanguageServerToQuery::FirstCapable,
3202            GetDefinition { position },
3203            cx,
3204        )
3205    }
3206    pub fn definition<T: ToPointUtf16>(
3207        &mut self,
3208        buffer: &Entity<Buffer>,
3209        position: T,
3210        cx: &mut Context<Self>,
3211    ) -> Task<Result<Vec<LocationLink>>> {
3212        let position = position.to_point_utf16(buffer.read(cx));
3213        self.definition_impl(buffer, position, cx)
3214    }
3215
3216    fn declaration_impl(
3217        &mut self,
3218        buffer: &Entity<Buffer>,
3219        position: PointUtf16,
3220        cx: &mut Context<Self>,
3221    ) -> Task<Result<Vec<LocationLink>>> {
3222        self.request_lsp(
3223            buffer.clone(),
3224            LanguageServerToQuery::FirstCapable,
3225            GetDeclaration { position },
3226            cx,
3227        )
3228    }
3229
3230    pub fn declaration<T: ToPointUtf16>(
3231        &mut self,
3232        buffer: &Entity<Buffer>,
3233        position: T,
3234        cx: &mut Context<Self>,
3235    ) -> Task<Result<Vec<LocationLink>>> {
3236        let position = position.to_point_utf16(buffer.read(cx));
3237        self.declaration_impl(buffer, position, cx)
3238    }
3239
3240    fn type_definition_impl(
3241        &mut self,
3242        buffer: &Entity<Buffer>,
3243        position: PointUtf16,
3244        cx: &mut Context<Self>,
3245    ) -> Task<Result<Vec<LocationLink>>> {
3246        self.request_lsp(
3247            buffer.clone(),
3248            LanguageServerToQuery::FirstCapable,
3249            GetTypeDefinition { position },
3250            cx,
3251        )
3252    }
3253
3254    pub fn type_definition<T: ToPointUtf16>(
3255        &mut self,
3256        buffer: &Entity<Buffer>,
3257        position: T,
3258        cx: &mut Context<Self>,
3259    ) -> Task<Result<Vec<LocationLink>>> {
3260        let position = position.to_point_utf16(buffer.read(cx));
3261        self.type_definition_impl(buffer, position, cx)
3262    }
3263
3264    pub fn implementation<T: ToPointUtf16>(
3265        &mut self,
3266        buffer: &Entity<Buffer>,
3267        position: T,
3268        cx: &mut Context<Self>,
3269    ) -> Task<Result<Vec<LocationLink>>> {
3270        let position = position.to_point_utf16(buffer.read(cx));
3271        self.request_lsp(
3272            buffer.clone(),
3273            LanguageServerToQuery::FirstCapable,
3274            GetImplementation { position },
3275            cx,
3276        )
3277    }
3278
3279    pub fn references<T: ToPointUtf16>(
3280        &mut self,
3281        buffer: &Entity<Buffer>,
3282        position: T,
3283        cx: &mut Context<Self>,
3284    ) -> Task<Result<Vec<Location>>> {
3285        let position = position.to_point_utf16(buffer.read(cx));
3286        self.request_lsp(
3287            buffer.clone(),
3288            LanguageServerToQuery::FirstCapable,
3289            GetReferences { position },
3290            cx,
3291        )
3292    }
3293
3294    fn document_highlights_impl(
3295        &mut self,
3296        buffer: &Entity<Buffer>,
3297        position: PointUtf16,
3298        cx: &mut Context<Self>,
3299    ) -> Task<Result<Vec<DocumentHighlight>>> {
3300        self.request_lsp(
3301            buffer.clone(),
3302            LanguageServerToQuery::FirstCapable,
3303            GetDocumentHighlights { position },
3304            cx,
3305        )
3306    }
3307
3308    pub fn document_highlights<T: ToPointUtf16>(
3309        &mut self,
3310        buffer: &Entity<Buffer>,
3311        position: T,
3312        cx: &mut Context<Self>,
3313    ) -> Task<Result<Vec<DocumentHighlight>>> {
3314        let position = position.to_point_utf16(buffer.read(cx));
3315        self.document_highlights_impl(buffer, position, cx)
3316    }
3317
3318    pub fn document_symbols(
3319        &mut self,
3320        buffer: &Entity<Buffer>,
3321        cx: &mut Context<Self>,
3322    ) -> Task<Result<Vec<DocumentSymbol>>> {
3323        self.request_lsp(
3324            buffer.clone(),
3325            LanguageServerToQuery::FirstCapable,
3326            GetDocumentSymbols,
3327            cx,
3328        )
3329    }
3330
3331    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3332        self.lsp_store
3333            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3334    }
3335
3336    pub fn open_buffer_for_symbol(
3337        &mut self,
3338        symbol: &Symbol,
3339        cx: &mut Context<Self>,
3340    ) -> Task<Result<Entity<Buffer>>> {
3341        self.lsp_store.update(cx, |lsp_store, cx| {
3342            lsp_store.open_buffer_for_symbol(symbol, cx)
3343        })
3344    }
3345
3346    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
3347        let guard = self.retain_remotely_created_models(cx);
3348        let Some(ssh_client) = self.ssh_client.as_ref() else {
3349            return Task::ready(Err(anyhow!("not an ssh project")));
3350        };
3351
3352        let proto_client = ssh_client.read(cx).proto_client();
3353
3354        cx.spawn(async move |project, cx| {
3355            let buffer = proto_client
3356                .request(proto::OpenServerSettings {
3357                    project_id: SSH_PROJECT_ID,
3358                })
3359                .await?;
3360
3361            let buffer = project
3362                .update(cx, |project, cx| {
3363                    project.buffer_store.update(cx, |buffer_store, cx| {
3364                        anyhow::Ok(
3365                            buffer_store
3366                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
3367                        )
3368                    })
3369                })??
3370                .await;
3371
3372            drop(guard);
3373            buffer
3374        })
3375    }
3376
3377    pub fn open_local_buffer_via_lsp(
3378        &mut self,
3379        abs_path: lsp::Url,
3380        language_server_id: LanguageServerId,
3381        language_server_name: LanguageServerName,
3382        cx: &mut Context<Self>,
3383    ) -> Task<Result<Entity<Buffer>>> {
3384        self.lsp_store.update(cx, |lsp_store, cx| {
3385            lsp_store.open_local_buffer_via_lsp(
3386                abs_path,
3387                language_server_id,
3388                language_server_name,
3389                cx,
3390            )
3391        })
3392    }
3393
3394    pub fn signature_help<T: ToPointUtf16>(
3395        &self,
3396        buffer: &Entity<Buffer>,
3397        position: T,
3398        cx: &mut Context<Self>,
3399    ) -> Task<Vec<SignatureHelp>> {
3400        self.lsp_store.update(cx, |lsp_store, cx| {
3401            lsp_store.signature_help(buffer, position, cx)
3402        })
3403    }
3404
3405    pub fn hover<T: ToPointUtf16>(
3406        &self,
3407        buffer: &Entity<Buffer>,
3408        position: T,
3409        cx: &mut Context<Self>,
3410    ) -> Task<Vec<Hover>> {
3411        let position = position.to_point_utf16(buffer.read(cx));
3412        self.lsp_store
3413            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
3414    }
3415
3416    pub fn linked_edit(
3417        &self,
3418        buffer: &Entity<Buffer>,
3419        position: Anchor,
3420        cx: &mut Context<Self>,
3421    ) -> Task<Result<Vec<Range<Anchor>>>> {
3422        self.lsp_store.update(cx, |lsp_store, cx| {
3423            lsp_store.linked_edit(buffer, position, cx)
3424        })
3425    }
3426
3427    pub fn completions<T: ToOffset + ToPointUtf16>(
3428        &self,
3429        buffer: &Entity<Buffer>,
3430        position: T,
3431        context: CompletionContext,
3432        cx: &mut Context<Self>,
3433    ) -> Task<Result<Option<Vec<Completion>>>> {
3434        let position = position.to_point_utf16(buffer.read(cx));
3435        self.lsp_store.update(cx, |lsp_store, cx| {
3436            lsp_store.completions(buffer, position, context, cx)
3437        })
3438    }
3439
3440    pub fn code_actions<T: Clone + ToOffset>(
3441        &mut self,
3442        buffer_handle: &Entity<Buffer>,
3443        range: Range<T>,
3444        kinds: Option<Vec<CodeActionKind>>,
3445        cx: &mut Context<Self>,
3446    ) -> Task<Result<Vec<CodeAction>>> {
3447        let buffer = buffer_handle.read(cx);
3448        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3449        self.lsp_store.update(cx, |lsp_store, cx| {
3450            lsp_store.code_actions(buffer_handle, range, kinds, cx)
3451        })
3452    }
3453
3454    pub fn code_lens<T: Clone + ToOffset>(
3455        &mut self,
3456        buffer_handle: &Entity<Buffer>,
3457        range: Range<T>,
3458        cx: &mut Context<Self>,
3459    ) -> Task<Result<Vec<CodeAction>>> {
3460        let snapshot = buffer_handle.read(cx).snapshot();
3461        let range = snapshot.anchor_before(range.start)..snapshot.anchor_after(range.end);
3462        let code_lens_actions = self
3463            .lsp_store
3464            .update(cx, |lsp_store, cx| lsp_store.code_lens(buffer_handle, cx));
3465
3466        cx.background_spawn(async move {
3467            let mut code_lens_actions = code_lens_actions.await?;
3468            code_lens_actions.retain(|code_lens_action| {
3469                range
3470                    .start
3471                    .cmp(&code_lens_action.range.start, &snapshot)
3472                    .is_ge()
3473                    && range
3474                        .end
3475                        .cmp(&code_lens_action.range.end, &snapshot)
3476                        .is_le()
3477            });
3478            Ok(code_lens_actions)
3479        })
3480    }
3481
3482    pub fn apply_code_action(
3483        &self,
3484        buffer_handle: Entity<Buffer>,
3485        action: CodeAction,
3486        push_to_history: bool,
3487        cx: &mut Context<Self>,
3488    ) -> Task<Result<ProjectTransaction>> {
3489        self.lsp_store.update(cx, |lsp_store, cx| {
3490            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
3491        })
3492    }
3493
3494    pub fn apply_code_action_kind(
3495        &self,
3496        buffers: HashSet<Entity<Buffer>>,
3497        kind: CodeActionKind,
3498        push_to_history: bool,
3499        cx: &mut Context<Self>,
3500    ) -> Task<Result<ProjectTransaction>> {
3501        self.lsp_store.update(cx, |lsp_store, cx| {
3502            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
3503        })
3504    }
3505
3506    fn prepare_rename_impl(
3507        &mut self,
3508        buffer: Entity<Buffer>,
3509        position: PointUtf16,
3510        cx: &mut Context<Self>,
3511    ) -> Task<Result<PrepareRenameResponse>> {
3512        self.request_lsp(
3513            buffer,
3514            LanguageServerToQuery::FirstCapable,
3515            PrepareRename { position },
3516            cx,
3517        )
3518    }
3519    pub fn prepare_rename<T: ToPointUtf16>(
3520        &mut self,
3521        buffer: Entity<Buffer>,
3522        position: T,
3523        cx: &mut Context<Self>,
3524    ) -> Task<Result<PrepareRenameResponse>> {
3525        let position = position.to_point_utf16(buffer.read(cx));
3526        self.prepare_rename_impl(buffer, position, cx)
3527    }
3528
3529    pub fn perform_rename<T: ToPointUtf16>(
3530        &mut self,
3531        buffer: Entity<Buffer>,
3532        position: T,
3533        new_name: String,
3534        cx: &mut Context<Self>,
3535    ) -> Task<Result<ProjectTransaction>> {
3536        let push_to_history = true;
3537        let position = position.to_point_utf16(buffer.read(cx));
3538        self.request_lsp(
3539            buffer,
3540            LanguageServerToQuery::FirstCapable,
3541            PerformRename {
3542                position,
3543                new_name,
3544                push_to_history,
3545            },
3546            cx,
3547        )
3548    }
3549
3550    pub fn on_type_format<T: ToPointUtf16>(
3551        &mut self,
3552        buffer: Entity<Buffer>,
3553        position: T,
3554        trigger: String,
3555        push_to_history: bool,
3556        cx: &mut Context<Self>,
3557    ) -> Task<Result<Option<Transaction>>> {
3558        self.lsp_store.update(cx, |lsp_store, cx| {
3559            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
3560        })
3561    }
3562
3563    pub fn inline_values(
3564        &mut self,
3565        session: Entity<Session>,
3566        active_stack_frame: ActiveStackFrame,
3567        buffer_handle: Entity<Buffer>,
3568        range: Range<text::Anchor>,
3569        cx: &mut Context<Self>,
3570    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3571        let language_name = buffer_handle
3572            .read(cx)
3573            .language()
3574            .map(|language| language.name().to_string());
3575
3576        let Some(inline_value_provider) = language_name
3577            .and_then(|language| DapRegistry::global(cx).inline_value_provider(&language))
3578        else {
3579            return Task::ready(Err(anyhow::anyhow!("Inline value provider not found")));
3580        };
3581
3582        let snapshot = buffer_handle.read(cx).snapshot();
3583
3584        let Some(root_node) = snapshot.syntax_root_ancestor(range.end) else {
3585            return Task::ready(Ok(vec![]));
3586        };
3587
3588        let row = snapshot
3589            .summary_for_anchor::<text::PointUtf16>(&range.end)
3590            .row as usize;
3591
3592        let inline_value_locations = inline_value_provider.provide(
3593            root_node,
3594            snapshot
3595                .text_for_range(Anchor::MIN..range.end)
3596                .collect::<String>()
3597                .as_str(),
3598            row,
3599        );
3600
3601        let stack_frame_id = active_stack_frame.stack_frame_id;
3602        cx.spawn(async move |this, cx| {
3603            this.update(cx, |project, cx| {
3604                project.dap_store().update(cx, |dap_store, cx| {
3605                    dap_store.resolve_inline_value_locations(
3606                        session,
3607                        stack_frame_id,
3608                        buffer_handle,
3609                        inline_value_locations,
3610                        cx,
3611                    )
3612                })
3613            })?
3614            .await
3615        })
3616    }
3617
3618    pub fn inlay_hints<T: ToOffset>(
3619        &mut self,
3620        buffer_handle: Entity<Buffer>,
3621        range: Range<T>,
3622        cx: &mut Context<Self>,
3623    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3624        let buffer = buffer_handle.read(cx);
3625        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3626        self.lsp_store.update(cx, |lsp_store, cx| {
3627            lsp_store.inlay_hints(buffer_handle, range, cx)
3628        })
3629    }
3630
3631    pub fn resolve_inlay_hint(
3632        &self,
3633        hint: InlayHint,
3634        buffer_handle: Entity<Buffer>,
3635        server_id: LanguageServerId,
3636        cx: &mut Context<Self>,
3637    ) -> Task<anyhow::Result<InlayHint>> {
3638        self.lsp_store.update(cx, |lsp_store, cx| {
3639            lsp_store.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
3640        })
3641    }
3642
3643    pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
3644        let (result_tx, result_rx) = smol::channel::unbounded();
3645
3646        let matching_buffers_rx = if query.is_opened_only() {
3647            self.sort_search_candidates(&query, cx)
3648        } else {
3649            self.find_search_candidate_buffers(&query, MAX_SEARCH_RESULT_FILES + 1, cx)
3650        };
3651
3652        cx.spawn(async move |_, cx| {
3653            let mut range_count = 0;
3654            let mut buffer_count = 0;
3655            let mut limit_reached = false;
3656            let query = Arc::new(query);
3657            let chunks = matching_buffers_rx.ready_chunks(64);
3658
3659            // Now that we know what paths match the query, we will load at most
3660            // 64 buffers at a time to avoid overwhelming the main thread. For each
3661            // opened buffer, we will spawn a background task that retrieves all the
3662            // ranges in the buffer matched by the query.
3663            let mut chunks = pin!(chunks);
3664            'outer: while let Some(matching_buffer_chunk) = chunks.next().await {
3665                let mut chunk_results = Vec::new();
3666                for buffer in matching_buffer_chunk {
3667                    let buffer = buffer.clone();
3668                    let query = query.clone();
3669                    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
3670                    chunk_results.push(cx.background_spawn(async move {
3671                        let ranges = query
3672                            .search(&snapshot, None)
3673                            .await
3674                            .iter()
3675                            .map(|range| {
3676                                snapshot.anchor_before(range.start)
3677                                    ..snapshot.anchor_after(range.end)
3678                            })
3679                            .collect::<Vec<_>>();
3680                        anyhow::Ok((buffer, ranges))
3681                    }));
3682                }
3683
3684                let chunk_results = futures::future::join_all(chunk_results).await;
3685                for result in chunk_results {
3686                    if let Some((buffer, ranges)) = result.log_err() {
3687                        range_count += ranges.len();
3688                        buffer_count += 1;
3689                        result_tx
3690                            .send(SearchResult::Buffer { buffer, ranges })
3691                            .await?;
3692                        if buffer_count > MAX_SEARCH_RESULT_FILES
3693                            || range_count > MAX_SEARCH_RESULT_RANGES
3694                        {
3695                            limit_reached = true;
3696                            break 'outer;
3697                        }
3698                    }
3699                }
3700            }
3701
3702            if limit_reached {
3703                result_tx.send(SearchResult::LimitReached).await?;
3704            }
3705
3706            anyhow::Ok(())
3707        })
3708        .detach();
3709
3710        result_rx
3711    }
3712
3713    fn find_search_candidate_buffers(
3714        &mut self,
3715        query: &SearchQuery,
3716        limit: usize,
3717        cx: &mut Context<Project>,
3718    ) -> Receiver<Entity<Buffer>> {
3719        if self.is_local() {
3720            let fs = self.fs.clone();
3721            self.buffer_store.update(cx, |buffer_store, cx| {
3722                buffer_store.find_search_candidates(query, limit, fs, cx)
3723            })
3724        } else {
3725            self.find_search_candidates_remote(query, limit, cx)
3726        }
3727    }
3728
3729    fn sort_search_candidates(
3730        &mut self,
3731        search_query: &SearchQuery,
3732        cx: &mut Context<Project>,
3733    ) -> Receiver<Entity<Buffer>> {
3734        let worktree_store = self.worktree_store.read(cx);
3735        let mut buffers = search_query
3736            .buffers()
3737            .into_iter()
3738            .flatten()
3739            .filter(|buffer| {
3740                let b = buffer.read(cx);
3741                if let Some(file) = b.file() {
3742                    if !search_query.match_path(file.path()) {
3743                        return false;
3744                    }
3745                    if let Some(entry) = b
3746                        .entry_id(cx)
3747                        .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
3748                    {
3749                        if entry.is_ignored && !search_query.include_ignored() {
3750                            return false;
3751                        }
3752                    }
3753                }
3754                true
3755            })
3756            .collect::<Vec<_>>();
3757        let (tx, rx) = smol::channel::unbounded();
3758        buffers.sort_by(|a, b| match (a.read(cx).file(), b.read(cx).file()) {
3759            (None, None) => a.read(cx).remote_id().cmp(&b.read(cx).remote_id()),
3760            (None, Some(_)) => std::cmp::Ordering::Less,
3761            (Some(_), None) => std::cmp::Ordering::Greater,
3762            (Some(a), Some(b)) => compare_paths((a.path(), true), (b.path(), true)),
3763        });
3764        for buffer in buffers {
3765            tx.send_blocking(buffer.clone()).unwrap()
3766        }
3767
3768        rx
3769    }
3770
3771    fn find_search_candidates_remote(
3772        &mut self,
3773        query: &SearchQuery,
3774        limit: usize,
3775        cx: &mut Context<Project>,
3776    ) -> Receiver<Entity<Buffer>> {
3777        let (tx, rx) = smol::channel::unbounded();
3778
3779        let (client, remote_id): (AnyProtoClient, _) = if let Some(ssh_client) = &self.ssh_client {
3780            (ssh_client.read(cx).proto_client(), 0)
3781        } else if let Some(remote_id) = self.remote_id() {
3782            (self.client.clone().into(), remote_id)
3783        } else {
3784            return rx;
3785        };
3786
3787        let request = client.request(proto::FindSearchCandidates {
3788            project_id: remote_id,
3789            query: Some(query.to_proto()),
3790            limit: limit as _,
3791        });
3792        let guard = self.retain_remotely_created_models(cx);
3793
3794        cx.spawn(async move |project, cx| {
3795            let response = request.await?;
3796            for buffer_id in response.buffer_ids {
3797                let buffer_id = BufferId::new(buffer_id)?;
3798                let buffer = project
3799                    .update(cx, |project, cx| {
3800                        project.buffer_store.update(cx, |buffer_store, cx| {
3801                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
3802                        })
3803                    })?
3804                    .await?;
3805                let _ = tx.send(buffer).await;
3806            }
3807
3808            drop(guard);
3809            anyhow::Ok(())
3810        })
3811        .detach_and_log_err(cx);
3812        rx
3813    }
3814
3815    pub fn request_lsp<R: LspCommand>(
3816        &mut self,
3817        buffer_handle: Entity<Buffer>,
3818        server: LanguageServerToQuery,
3819        request: R,
3820        cx: &mut Context<Self>,
3821    ) -> Task<Result<R::Response>>
3822    where
3823        <R::LspRequest as lsp::request::Request>::Result: Send,
3824        <R::LspRequest as lsp::request::Request>::Params: Send,
3825    {
3826        let guard = self.retain_remotely_created_models(cx);
3827        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3828            lsp_store.request_lsp(buffer_handle, server, request, cx)
3829        });
3830        cx.spawn(async move |_, _| {
3831            let result = task.await;
3832            drop(guard);
3833            result
3834        })
3835    }
3836
3837    /// Move a worktree to a new position in the worktree order.
3838    ///
3839    /// The worktree will moved to the opposite side of the destination worktree.
3840    ///
3841    /// # Example
3842    ///
3843    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
3844    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
3845    ///
3846    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
3847    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
3848    ///
3849    /// # Errors
3850    ///
3851    /// An error will be returned if the worktree or destination worktree are not found.
3852    pub fn move_worktree(
3853        &mut self,
3854        source: WorktreeId,
3855        destination: WorktreeId,
3856        cx: &mut Context<Self>,
3857    ) -> Result<()> {
3858        self.worktree_store.update(cx, |worktree_store, cx| {
3859            worktree_store.move_worktree(source, destination, cx)
3860        })
3861    }
3862
3863    pub fn find_or_create_worktree(
3864        &mut self,
3865        abs_path: impl AsRef<Path>,
3866        visible: bool,
3867        cx: &mut Context<Self>,
3868    ) -> Task<Result<(Entity<Worktree>, PathBuf)>> {
3869        self.worktree_store.update(cx, |worktree_store, cx| {
3870            worktree_store.find_or_create_worktree(abs_path, visible, cx)
3871        })
3872    }
3873
3874    pub fn find_worktree(&self, abs_path: &Path, cx: &App) -> Option<(Entity<Worktree>, PathBuf)> {
3875        self.worktree_store.read_with(cx, |worktree_store, cx| {
3876            worktree_store.find_worktree(abs_path, cx)
3877        })
3878    }
3879
3880    pub fn is_shared(&self) -> bool {
3881        match &self.client_state {
3882            ProjectClientState::Shared { .. } => true,
3883            ProjectClientState::Local => false,
3884            ProjectClientState::Remote { .. } => true,
3885        }
3886    }
3887
3888    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
3889    pub fn resolve_path_in_buffer(
3890        &self,
3891        path: &str,
3892        buffer: &Entity<Buffer>,
3893        cx: &mut Context<Self>,
3894    ) -> Task<Option<ResolvedPath>> {
3895        let path_buf = PathBuf::from(path);
3896        if path_buf.is_absolute() || path.starts_with("~") {
3897            self.resolve_abs_path(path, cx)
3898        } else {
3899            self.resolve_path_in_worktrees(path_buf, buffer, cx)
3900        }
3901    }
3902
3903    pub fn resolve_abs_file_path(
3904        &self,
3905        path: &str,
3906        cx: &mut Context<Self>,
3907    ) -> Task<Option<ResolvedPath>> {
3908        let resolve_task = self.resolve_abs_path(path, cx);
3909        cx.background_spawn(async move {
3910            let resolved_path = resolve_task.await;
3911            resolved_path.filter(|path| path.is_file())
3912        })
3913    }
3914
3915    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
3916        if self.is_local() {
3917            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
3918            let fs = self.fs.clone();
3919            cx.background_spawn(async move {
3920                let path = expanded.as_path();
3921                let metadata = fs.metadata(path).await.ok().flatten();
3922
3923                metadata.map(|metadata| ResolvedPath::AbsPath {
3924                    path: expanded,
3925                    is_dir: metadata.is_dir,
3926                })
3927            })
3928        } else if let Some(ssh_client) = self.ssh_client.as_ref() {
3929            let request_path = Path::new(path);
3930            let request = ssh_client
3931                .read(cx)
3932                .proto_client()
3933                .request(proto::GetPathMetadata {
3934                    project_id: SSH_PROJECT_ID,
3935                    path: request_path.to_proto(),
3936                });
3937            cx.background_spawn(async move {
3938                let response = request.await.log_err()?;
3939                if response.exists {
3940                    Some(ResolvedPath::AbsPath {
3941                        path: PathBuf::from_proto(response.path),
3942                        is_dir: response.is_dir,
3943                    })
3944                } else {
3945                    None
3946                }
3947            })
3948        } else {
3949            return Task::ready(None);
3950        }
3951    }
3952
3953    fn resolve_path_in_worktrees(
3954        &self,
3955        path: PathBuf,
3956        buffer: &Entity<Buffer>,
3957        cx: &mut Context<Self>,
3958    ) -> Task<Option<ResolvedPath>> {
3959        let mut candidates = vec![path.clone()];
3960
3961        if let Some(file) = buffer.read(cx).file() {
3962            if let Some(dir) = file.path().parent() {
3963                let joined = dir.to_path_buf().join(path);
3964                candidates.push(joined);
3965            }
3966        }
3967
3968        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
3969        let worktrees_with_ids: Vec<_> = self
3970            .worktrees(cx)
3971            .map(|worktree| {
3972                let id = worktree.read(cx).id();
3973                (worktree, id)
3974            })
3975            .collect();
3976
3977        cx.spawn(async move |_, mut cx| {
3978            if let Some(buffer_worktree_id) = buffer_worktree_id {
3979                if let Some((worktree, _)) = worktrees_with_ids
3980                    .iter()
3981                    .find(|(_, id)| *id == buffer_worktree_id)
3982                {
3983                    for candidate in candidates.iter() {
3984                        if let Some(path) =
3985                            Self::resolve_path_in_worktree(&worktree, candidate, &mut cx)
3986                        {
3987                            return Some(path);
3988                        }
3989                    }
3990                }
3991            }
3992            for (worktree, id) in worktrees_with_ids {
3993                if Some(id) == buffer_worktree_id {
3994                    continue;
3995                }
3996                for candidate in candidates.iter() {
3997                    if let Some(path) =
3998                        Self::resolve_path_in_worktree(&worktree, candidate, &mut cx)
3999                    {
4000                        return Some(path);
4001                    }
4002                }
4003            }
4004            None
4005        })
4006    }
4007
4008    fn resolve_path_in_worktree(
4009        worktree: &Entity<Worktree>,
4010        path: &PathBuf,
4011        cx: &mut AsyncApp,
4012    ) -> Option<ResolvedPath> {
4013        worktree
4014            .update(cx, |worktree, _| {
4015                let root_entry_path = &worktree.root_entry()?.path;
4016                let resolved = resolve_path(root_entry_path, path);
4017                let stripped = resolved.strip_prefix(root_entry_path).unwrap_or(&resolved);
4018                worktree.entry_for_path(stripped).map(|entry| {
4019                    let project_path = ProjectPath {
4020                        worktree_id: worktree.id(),
4021                        path: entry.path.clone(),
4022                    };
4023                    ResolvedPath::ProjectPath {
4024                        project_path,
4025                        is_dir: entry.is_dir(),
4026                    }
4027                })
4028            })
4029            .ok()?
4030    }
4031
4032    pub fn list_directory(
4033        &self,
4034        query: String,
4035        cx: &mut Context<Self>,
4036    ) -> Task<Result<Vec<DirectoryItem>>> {
4037        if self.is_local() {
4038            DirectoryLister::Local(self.fs.clone()).list_directory(query, cx)
4039        } else if let Some(session) = self.ssh_client.as_ref() {
4040            let path_buf = PathBuf::from(query);
4041            let request = proto::ListRemoteDirectory {
4042                dev_server_id: SSH_PROJECT_ID,
4043                path: path_buf.to_proto(),
4044                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4045            };
4046
4047            let response = session.read(cx).proto_client().request(request);
4048            cx.background_spawn(async move {
4049                let proto::ListRemoteDirectoryResponse {
4050                    entries,
4051                    entry_info,
4052                } = response.await?;
4053                Ok(entries
4054                    .into_iter()
4055                    .zip(entry_info)
4056                    .map(|(entry, info)| DirectoryItem {
4057                        path: PathBuf::from(entry),
4058                        is_dir: info.is_dir,
4059                    })
4060                    .collect())
4061            })
4062        } else {
4063            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4064        }
4065    }
4066
4067    pub fn create_worktree(
4068        &mut self,
4069        abs_path: impl AsRef<Path>,
4070        visible: bool,
4071        cx: &mut Context<Self>,
4072    ) -> Task<Result<Entity<Worktree>>> {
4073        self.worktree_store.update(cx, |worktree_store, cx| {
4074            worktree_store.create_worktree(abs_path, visible, cx)
4075        })
4076    }
4077
4078    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4079        self.worktree_store.update(cx, |worktree_store, cx| {
4080            worktree_store.remove_worktree(id_to_remove, cx);
4081        });
4082    }
4083
4084    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4085        self.worktree_store.update(cx, |worktree_store, cx| {
4086            worktree_store.add(worktree, cx);
4087        });
4088    }
4089
4090    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4091        let new_active_entry = entry.and_then(|project_path| {
4092            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4093            let entry = worktree.read(cx).entry_for_path(project_path.path)?;
4094            Some(entry.id)
4095        });
4096        if new_active_entry != self.active_entry {
4097            self.active_entry = new_active_entry;
4098            self.lsp_store.update(cx, |lsp_store, _| {
4099                lsp_store.set_active_entry(new_active_entry);
4100            });
4101            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4102        }
4103    }
4104
4105    pub fn language_servers_running_disk_based_diagnostics<'a>(
4106        &'a self,
4107        cx: &'a App,
4108    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4109        self.lsp_store
4110            .read(cx)
4111            .language_servers_running_disk_based_diagnostics()
4112    }
4113
4114    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4115        self.lsp_store
4116            .read(cx)
4117            .diagnostic_summary(include_ignored, cx)
4118    }
4119
4120    pub fn diagnostic_summaries<'a>(
4121        &'a self,
4122        include_ignored: bool,
4123        cx: &'a App,
4124    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4125        self.lsp_store
4126            .read(cx)
4127            .diagnostic_summaries(include_ignored, cx)
4128    }
4129
4130    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4131        self.active_entry
4132    }
4133
4134    pub fn entry_for_path(&self, path: &ProjectPath, cx: &App) -> Option<Entry> {
4135        self.worktree_store.read(cx).entry_for_path(path, cx)
4136    }
4137
4138    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4139        let worktree = self.worktree_for_entry(entry_id, cx)?;
4140        let worktree = worktree.read(cx);
4141        let worktree_id = worktree.id();
4142        let path = worktree.entry_for_id(entry_id)?.path.clone();
4143        Some(ProjectPath { worktree_id, path })
4144    }
4145
4146    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4147        self.worktree_for_id(project_path.worktree_id, cx)?
4148            .read(cx)
4149            .absolutize(&project_path.path)
4150            .ok()
4151    }
4152
4153    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4154    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4155    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4156    /// the first visible worktree that has an entry for that relative path.
4157    ///
4158    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4159    /// root name from paths.
4160    ///
4161    /// # Arguments
4162    ///
4163    /// * `path` - A full path that starts with a worktree root name, or alternatively a
4164    ///            relative path within a visible worktree.
4165    /// * `cx` - A reference to the `AppContext`.
4166    ///
4167    /// # Returns
4168    ///
4169    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4170    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4171        let path = path.as_ref();
4172        let worktree_store = self.worktree_store.read(cx);
4173
4174        if path.is_absolute() {
4175            for worktree in worktree_store.visible_worktrees(cx) {
4176                let worktree_abs_path = worktree.read(cx).abs_path();
4177
4178                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path) {
4179                    return Some(ProjectPath {
4180                        worktree_id: worktree.read(cx).id(),
4181                        path: relative_path.into(),
4182                    });
4183                }
4184            }
4185        } else {
4186            for worktree in worktree_store.visible_worktrees(cx) {
4187                let worktree_root_name = worktree.read(cx).root_name();
4188                if let Ok(relative_path) = path.strip_prefix(worktree_root_name) {
4189                    return Some(ProjectPath {
4190                        worktree_id: worktree.read(cx).id(),
4191                        path: relative_path.into(),
4192                    });
4193                }
4194            }
4195
4196            for worktree in worktree_store.visible_worktrees(cx) {
4197                let worktree = worktree.read(cx);
4198                if let Some(entry) = worktree.entry_for_path(path) {
4199                    return Some(ProjectPath {
4200                        worktree_id: worktree.id(),
4201                        path: entry.path.clone(),
4202                    });
4203                }
4204            }
4205        }
4206
4207        None
4208    }
4209
4210    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4211        self.find_worktree(abs_path, cx)
4212            .map(|(worktree, relative_path)| ProjectPath {
4213                worktree_id: worktree.read(cx).id(),
4214                path: relative_path.into(),
4215            })
4216    }
4217
4218    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4219        Some(
4220            self.worktree_for_id(project_path.worktree_id, cx)?
4221                .read(cx)
4222                .abs_path()
4223                .to_path_buf(),
4224        )
4225    }
4226
4227    pub fn blame_buffer(
4228        &self,
4229        buffer: &Entity<Buffer>,
4230        version: Option<clock::Global>,
4231        cx: &mut App,
4232    ) -> Task<Result<Option<Blame>>> {
4233        self.git_store.update(cx, |git_store, cx| {
4234            git_store.blame_buffer(buffer, version, cx)
4235        })
4236    }
4237
4238    pub fn get_permalink_to_line(
4239        &self,
4240        buffer: &Entity<Buffer>,
4241        selection: Range<u32>,
4242        cx: &mut App,
4243    ) -> Task<Result<url::Url>> {
4244        self.git_store.update(cx, |git_store, cx| {
4245            git_store.get_permalink_to_line(buffer, selection, cx)
4246        })
4247    }
4248
4249    // RPC message handlers
4250
4251    async fn handle_unshare_project(
4252        this: Entity<Self>,
4253        _: TypedEnvelope<proto::UnshareProject>,
4254        mut cx: AsyncApp,
4255    ) -> Result<()> {
4256        this.update(&mut cx, |this, cx| {
4257            if this.is_local() || this.is_via_ssh() {
4258                this.unshare(cx)?;
4259            } else {
4260                this.disconnected_from_host(cx);
4261            }
4262            Ok(())
4263        })?
4264    }
4265
4266    async fn handle_add_collaborator(
4267        this: Entity<Self>,
4268        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4269        mut cx: AsyncApp,
4270    ) -> Result<()> {
4271        let collaborator = envelope
4272            .payload
4273            .collaborator
4274            .take()
4275            .context("empty collaborator")?;
4276
4277        let collaborator = Collaborator::from_proto(collaborator)?;
4278        this.update(&mut cx, |this, cx| {
4279            this.buffer_store.update(cx, |buffer_store, _| {
4280                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4281            });
4282            this.breakpoint_store.read(cx).broadcast();
4283            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4284            this.collaborators
4285                .insert(collaborator.peer_id, collaborator);
4286        })?;
4287
4288        Ok(())
4289    }
4290
4291    async fn handle_update_project_collaborator(
4292        this: Entity<Self>,
4293        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4294        mut cx: AsyncApp,
4295    ) -> Result<()> {
4296        let old_peer_id = envelope
4297            .payload
4298            .old_peer_id
4299            .context("missing old peer id")?;
4300        let new_peer_id = envelope
4301            .payload
4302            .new_peer_id
4303            .context("missing new peer id")?;
4304        this.update(&mut cx, |this, cx| {
4305            let collaborator = this
4306                .collaborators
4307                .remove(&old_peer_id)
4308                .context("received UpdateProjectCollaborator for unknown peer")?;
4309            let is_host = collaborator.is_host;
4310            this.collaborators.insert(new_peer_id, collaborator);
4311
4312            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4313            this.buffer_store.update(cx, |buffer_store, _| {
4314                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4315            });
4316
4317            if is_host {
4318                this.buffer_store
4319                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4320                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4321                    .unwrap();
4322                cx.emit(Event::HostReshared);
4323            }
4324
4325            cx.emit(Event::CollaboratorUpdated {
4326                old_peer_id,
4327                new_peer_id,
4328            });
4329            Ok(())
4330        })?
4331    }
4332
4333    async fn handle_remove_collaborator(
4334        this: Entity<Self>,
4335        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4336        mut cx: AsyncApp,
4337    ) -> Result<()> {
4338        this.update(&mut cx, |this, cx| {
4339            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4340            let replica_id = this
4341                .collaborators
4342                .remove(&peer_id)
4343                .with_context(|| format!("unknown peer {peer_id:?}"))?
4344                .replica_id;
4345            this.buffer_store.update(cx, |buffer_store, cx| {
4346                buffer_store.forget_shared_buffers_for(&peer_id);
4347                for buffer in buffer_store.buffers() {
4348                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4349                }
4350            });
4351            this.git_store.update(cx, |git_store, _| {
4352                git_store.forget_shared_diffs_for(&peer_id);
4353            });
4354
4355            cx.emit(Event::CollaboratorLeft(peer_id));
4356            Ok(())
4357        })?
4358    }
4359
4360    async fn handle_update_project(
4361        this: Entity<Self>,
4362        envelope: TypedEnvelope<proto::UpdateProject>,
4363        mut cx: AsyncApp,
4364    ) -> Result<()> {
4365        this.update(&mut cx, |this, cx| {
4366            // Don't handle messages that were sent before the response to us joining the project
4367            if envelope.message_id > this.join_project_response_message_id {
4368                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4369            }
4370            Ok(())
4371        })?
4372    }
4373
4374    async fn handle_toast(
4375        this: Entity<Self>,
4376        envelope: TypedEnvelope<proto::Toast>,
4377        mut cx: AsyncApp,
4378    ) -> Result<()> {
4379        this.update(&mut cx, |_, cx| {
4380            cx.emit(Event::Toast {
4381                notification_id: envelope.payload.notification_id.into(),
4382                message: envelope.payload.message,
4383            });
4384            Ok(())
4385        })?
4386    }
4387
4388    async fn handle_language_server_prompt_request(
4389        this: Entity<Self>,
4390        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4391        mut cx: AsyncApp,
4392    ) -> Result<proto::LanguageServerPromptResponse> {
4393        let (tx, rx) = smol::channel::bounded(1);
4394        let actions: Vec<_> = envelope
4395            .payload
4396            .actions
4397            .into_iter()
4398            .map(|action| MessageActionItem {
4399                title: action,
4400                properties: Default::default(),
4401            })
4402            .collect();
4403        this.update(&mut cx, |_, cx| {
4404            cx.emit(Event::LanguageServerPrompt(LanguageServerPromptRequest {
4405                level: proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4406                message: envelope.payload.message,
4407                actions: actions.clone(),
4408                lsp_name: envelope.payload.lsp_name,
4409                response_channel: tx,
4410            }));
4411
4412            anyhow::Ok(())
4413        })??;
4414
4415        // We drop `this` to avoid holding a reference in this future for too
4416        // long.
4417        // If we keep the reference, we might not drop the `Project` early
4418        // enough when closing a window and it will only get releases on the
4419        // next `flush_effects()` call.
4420        drop(this);
4421
4422        let mut rx = pin!(rx);
4423        let answer = rx.next().await;
4424
4425        Ok(LanguageServerPromptResponse {
4426            action_response: answer.and_then(|answer| {
4427                actions
4428                    .iter()
4429                    .position(|action| *action == answer)
4430                    .map(|index| index as u64)
4431            }),
4432        })
4433    }
4434
4435    async fn handle_hide_toast(
4436        this: Entity<Self>,
4437        envelope: TypedEnvelope<proto::HideToast>,
4438        mut cx: AsyncApp,
4439    ) -> Result<()> {
4440        this.update(&mut cx, |_, cx| {
4441            cx.emit(Event::HideToast {
4442                notification_id: envelope.payload.notification_id.into(),
4443            });
4444            Ok(())
4445        })?
4446    }
4447
4448    // Collab sends UpdateWorktree protos as messages
4449    async fn handle_update_worktree(
4450        this: Entity<Self>,
4451        envelope: TypedEnvelope<proto::UpdateWorktree>,
4452        mut cx: AsyncApp,
4453    ) -> Result<()> {
4454        this.update(&mut cx, |this, cx| {
4455            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4456            if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
4457                worktree.update(cx, |worktree, _| {
4458                    let worktree = worktree.as_remote_mut().unwrap();
4459                    worktree.update_from_remote(envelope.payload);
4460                });
4461            }
4462            Ok(())
4463        })?
4464    }
4465
4466    async fn handle_update_buffer_from_ssh(
4467        this: Entity<Self>,
4468        envelope: TypedEnvelope<proto::UpdateBuffer>,
4469        cx: AsyncApp,
4470    ) -> Result<proto::Ack> {
4471        let buffer_store = this.read_with(&cx, |this, cx| {
4472            if let Some(remote_id) = this.remote_id() {
4473                let mut payload = envelope.payload.clone();
4474                payload.project_id = remote_id;
4475                cx.background_spawn(this.client.request(payload))
4476                    .detach_and_log_err(cx);
4477            }
4478            this.buffer_store.clone()
4479        })?;
4480        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4481    }
4482
4483    async fn handle_update_buffer(
4484        this: Entity<Self>,
4485        envelope: TypedEnvelope<proto::UpdateBuffer>,
4486        cx: AsyncApp,
4487    ) -> Result<proto::Ack> {
4488        let buffer_store = this.read_with(&cx, |this, cx| {
4489            if let Some(ssh) = &this.ssh_client {
4490                let mut payload = envelope.payload.clone();
4491                payload.project_id = SSH_PROJECT_ID;
4492                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
4493                    .detach_and_log_err(cx);
4494            }
4495            this.buffer_store.clone()
4496        })?;
4497        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4498    }
4499
4500    fn retain_remotely_created_models(
4501        &mut self,
4502        cx: &mut Context<Self>,
4503    ) -> RemotelyCreatedModelGuard {
4504        {
4505            let mut remotely_create_models = self.remotely_created_models.lock();
4506            if remotely_create_models.retain_count == 0 {
4507                remotely_create_models.buffers = self.buffer_store.read(cx).buffers().collect();
4508                remotely_create_models.worktrees =
4509                    self.worktree_store.read(cx).worktrees().collect();
4510            }
4511            remotely_create_models.retain_count += 1;
4512        }
4513        RemotelyCreatedModelGuard {
4514            remote_models: Arc::downgrade(&self.remotely_created_models),
4515        }
4516    }
4517
4518    async fn handle_create_buffer_for_peer(
4519        this: Entity<Self>,
4520        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
4521        mut cx: AsyncApp,
4522    ) -> Result<()> {
4523        this.update(&mut cx, |this, cx| {
4524            this.buffer_store.update(cx, |buffer_store, cx| {
4525                buffer_store.handle_create_buffer_for_peer(
4526                    envelope,
4527                    this.replica_id(),
4528                    this.capability(),
4529                    cx,
4530                )
4531            })
4532        })?
4533    }
4534
4535    async fn handle_synchronize_buffers(
4536        this: Entity<Self>,
4537        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
4538        mut cx: AsyncApp,
4539    ) -> Result<proto::SynchronizeBuffersResponse> {
4540        let response = this.update(&mut cx, |this, cx| {
4541            let client = this.client.clone();
4542            this.buffer_store.update(cx, |this, cx| {
4543                this.handle_synchronize_buffers(envelope, cx, client)
4544            })
4545        })??;
4546
4547        Ok(response)
4548    }
4549
4550    async fn handle_search_candidate_buffers(
4551        this: Entity<Self>,
4552        envelope: TypedEnvelope<proto::FindSearchCandidates>,
4553        mut cx: AsyncApp,
4554    ) -> Result<proto::FindSearchCandidatesResponse> {
4555        let peer_id = envelope.original_sender_id()?;
4556        let message = envelope.payload;
4557        let query = SearchQuery::from_proto(message.query.context("missing query field")?)?;
4558        let results = this.update(&mut cx, |this, cx| {
4559            this.find_search_candidate_buffers(&query, message.limit as _, cx)
4560        })?;
4561
4562        let mut response = proto::FindSearchCandidatesResponse {
4563            buffer_ids: Vec::new(),
4564        };
4565
4566        while let Ok(buffer) = results.recv().await {
4567            this.update(&mut cx, |this, cx| {
4568                let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
4569                response.buffer_ids.push(buffer_id.to_proto());
4570            })?;
4571        }
4572
4573        Ok(response)
4574    }
4575
4576    async fn handle_open_buffer_by_id(
4577        this: Entity<Self>,
4578        envelope: TypedEnvelope<proto::OpenBufferById>,
4579        mut cx: AsyncApp,
4580    ) -> Result<proto::OpenBufferResponse> {
4581        let peer_id = envelope.original_sender_id()?;
4582        let buffer_id = BufferId::new(envelope.payload.id)?;
4583        let buffer = this
4584            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))?
4585            .await?;
4586        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4587    }
4588
4589    async fn handle_open_buffer_by_path(
4590        this: Entity<Self>,
4591        envelope: TypedEnvelope<proto::OpenBufferByPath>,
4592        mut cx: AsyncApp,
4593    ) -> Result<proto::OpenBufferResponse> {
4594        let peer_id = envelope.original_sender_id()?;
4595        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4596        let open_buffer = this.update(&mut cx, |this, cx| {
4597            this.open_buffer(
4598                ProjectPath {
4599                    worktree_id,
4600                    path: Arc::<Path>::from_proto(envelope.payload.path),
4601                },
4602                cx,
4603            )
4604        })?;
4605
4606        let buffer = open_buffer.await?;
4607        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4608    }
4609
4610    async fn handle_open_new_buffer(
4611        this: Entity<Self>,
4612        envelope: TypedEnvelope<proto::OpenNewBuffer>,
4613        mut cx: AsyncApp,
4614    ) -> Result<proto::OpenBufferResponse> {
4615        let buffer = this
4616            .update(&mut cx, |this, cx| this.create_buffer(cx))?
4617            .await?;
4618        let peer_id = envelope.original_sender_id()?;
4619
4620        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4621    }
4622
4623    fn respond_to_open_buffer_request(
4624        this: Entity<Self>,
4625        buffer: Entity<Buffer>,
4626        peer_id: proto::PeerId,
4627        cx: &mut AsyncApp,
4628    ) -> Result<proto::OpenBufferResponse> {
4629        this.update(cx, |this, cx| {
4630            let is_private = buffer
4631                .read(cx)
4632                .file()
4633                .map(|f| f.is_private())
4634                .unwrap_or_default();
4635            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
4636            Ok(proto::OpenBufferResponse {
4637                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
4638            })
4639        })?
4640    }
4641
4642    fn create_buffer_for_peer(
4643        &mut self,
4644        buffer: &Entity<Buffer>,
4645        peer_id: proto::PeerId,
4646        cx: &mut App,
4647    ) -> BufferId {
4648        self.buffer_store
4649            .update(cx, |buffer_store, cx| {
4650                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
4651            })
4652            .detach_and_log_err(cx);
4653        buffer.read(cx).remote_id()
4654    }
4655
4656    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
4657        let project_id = match self.client_state {
4658            ProjectClientState::Remote {
4659                sharing_has_stopped,
4660                remote_id,
4661                ..
4662            } => {
4663                if sharing_has_stopped {
4664                    return Task::ready(Err(anyhow!(
4665                        "can't synchronize remote buffers on a readonly project"
4666                    )));
4667                } else {
4668                    remote_id
4669                }
4670            }
4671            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
4672                return Task::ready(Err(anyhow!(
4673                    "can't synchronize remote buffers on a local project"
4674                )));
4675            }
4676        };
4677
4678        let client = self.client.clone();
4679        cx.spawn(async move |this, cx| {
4680            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
4681                this.buffer_store.read(cx).buffer_version_info(cx)
4682            })?;
4683            let response = client
4684                .request(proto::SynchronizeBuffers {
4685                    project_id,
4686                    buffers,
4687                })
4688                .await?;
4689
4690            let send_updates_for_buffers = this.update(cx, |this, cx| {
4691                response
4692                    .buffers
4693                    .into_iter()
4694                    .map(|buffer| {
4695                        let client = client.clone();
4696                        let buffer_id = match BufferId::new(buffer.id) {
4697                            Ok(id) => id,
4698                            Err(e) => {
4699                                return Task::ready(Err(e));
4700                            }
4701                        };
4702                        let remote_version = language::proto::deserialize_version(&buffer.version);
4703                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
4704                            let operations =
4705                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
4706                            cx.background_spawn(async move {
4707                                let operations = operations.await;
4708                                for chunk in split_operations(operations) {
4709                                    client
4710                                        .request(proto::UpdateBuffer {
4711                                            project_id,
4712                                            buffer_id: buffer_id.into(),
4713                                            operations: chunk,
4714                                        })
4715                                        .await?;
4716                                }
4717                                anyhow::Ok(())
4718                            })
4719                        } else {
4720                            Task::ready(Ok(()))
4721                        }
4722                    })
4723                    .collect::<Vec<_>>()
4724            })?;
4725
4726            // Any incomplete buffers have open requests waiting. Request that the host sends
4727            // creates these buffers for us again to unblock any waiting futures.
4728            for id in incomplete_buffer_ids {
4729                cx.background_spawn(client.request(proto::OpenBufferById {
4730                    project_id,
4731                    id: id.into(),
4732                }))
4733                .detach();
4734            }
4735
4736            futures::future::join_all(send_updates_for_buffers)
4737                .await
4738                .into_iter()
4739                .collect()
4740        })
4741    }
4742
4743    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
4744        self.worktree_store.read(cx).worktree_metadata_protos(cx)
4745    }
4746
4747    /// Iterator of all open buffers that have unsaved changes
4748    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
4749        self.buffer_store.read(cx).buffers().filter_map(|buf| {
4750            let buf = buf.read(cx);
4751            if buf.is_dirty() {
4752                buf.project_path(cx)
4753            } else {
4754                None
4755            }
4756        })
4757    }
4758
4759    fn set_worktrees_from_proto(
4760        &mut self,
4761        worktrees: Vec<proto::WorktreeMetadata>,
4762        cx: &mut Context<Project>,
4763    ) -> Result<()> {
4764        self.worktree_store.update(cx, |worktree_store, cx| {
4765            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
4766        })
4767    }
4768
4769    fn set_collaborators_from_proto(
4770        &mut self,
4771        messages: Vec<proto::Collaborator>,
4772        cx: &mut Context<Self>,
4773    ) -> Result<()> {
4774        let mut collaborators = HashMap::default();
4775        for message in messages {
4776            let collaborator = Collaborator::from_proto(message)?;
4777            collaborators.insert(collaborator.peer_id, collaborator);
4778        }
4779        for old_peer_id in self.collaborators.keys() {
4780            if !collaborators.contains_key(old_peer_id) {
4781                cx.emit(Event::CollaboratorLeft(*old_peer_id));
4782            }
4783        }
4784        self.collaborators = collaborators;
4785        Ok(())
4786    }
4787
4788    pub fn supplementary_language_servers<'a>(
4789        &'a self,
4790        cx: &'a App,
4791    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
4792        self.lsp_store.read(cx).supplementary_language_servers()
4793    }
4794
4795    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
4796        self.lsp_store.update(cx, |this, cx| {
4797            this.language_servers_for_local_buffer(buffer, cx)
4798                .any(
4799                    |(_, server)| match server.capabilities().inlay_hint_provider {
4800                        Some(lsp::OneOf::Left(enabled)) => enabled,
4801                        Some(lsp::OneOf::Right(_)) => true,
4802                        None => false,
4803                    },
4804                )
4805        })
4806    }
4807
4808    pub fn language_server_id_for_name(
4809        &self,
4810        buffer: &Buffer,
4811        name: &str,
4812        cx: &mut App,
4813    ) -> Task<Option<LanguageServerId>> {
4814        if self.is_local() {
4815            Task::ready(self.lsp_store.update(cx, |lsp_store, cx| {
4816                lsp_store
4817                    .language_servers_for_local_buffer(buffer, cx)
4818                    .find_map(|(adapter, server)| {
4819                        if adapter.name.0 == name {
4820                            Some(server.server_id())
4821                        } else {
4822                            None
4823                        }
4824                    })
4825            }))
4826        } else if let Some(project_id) = self.remote_id() {
4827            let request = self.client.request(proto::LanguageServerIdForName {
4828                project_id,
4829                buffer_id: buffer.remote_id().to_proto(),
4830                name: name.to_string(),
4831            });
4832            cx.background_spawn(async move {
4833                let response = request.await.log_err()?;
4834                response.server_id.map(LanguageServerId::from_proto)
4835            })
4836        } else if let Some(ssh_client) = self.ssh_client.as_ref() {
4837            let request =
4838                ssh_client
4839                    .read(cx)
4840                    .proto_client()
4841                    .request(proto::LanguageServerIdForName {
4842                        project_id: SSH_PROJECT_ID,
4843                        buffer_id: buffer.remote_id().to_proto(),
4844                        name: name.to_string(),
4845                    });
4846            cx.background_spawn(async move {
4847                let response = request.await.log_err()?;
4848                response.server_id.map(LanguageServerId::from_proto)
4849            })
4850        } else {
4851            Task::ready(None)
4852        }
4853    }
4854
4855    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
4856        self.lsp_store.update(cx, |this, cx| {
4857            this.language_servers_for_local_buffer(buffer, cx)
4858                .next()
4859                .is_some()
4860        })
4861    }
4862
4863    pub fn git_init(
4864        &self,
4865        path: Arc<Path>,
4866        fallback_branch_name: String,
4867        cx: &App,
4868    ) -> Task<Result<()>> {
4869        self.git_store
4870            .read(cx)
4871            .git_init(path, fallback_branch_name, cx)
4872    }
4873
4874    pub fn buffer_store(&self) -> &Entity<BufferStore> {
4875        &self.buffer_store
4876    }
4877
4878    pub fn git_store(&self) -> &Entity<GitStore> {
4879        &self.git_store
4880    }
4881
4882    #[cfg(test)]
4883    fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
4884        cx.spawn(async move |this, cx| {
4885            let scans_complete = this
4886                .read_with(cx, |this, cx| {
4887                    this.worktrees(cx)
4888                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
4889                        .collect::<Vec<_>>()
4890                })
4891                .unwrap();
4892            join_all(scans_complete).await;
4893            let barriers = this
4894                .update(cx, |this, cx| {
4895                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
4896                    repos
4897                        .into_iter()
4898                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
4899                        .collect::<Vec<_>>()
4900                })
4901                .unwrap();
4902            join_all(barriers).await;
4903        })
4904    }
4905
4906    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
4907        self.git_store.read(cx).active_repository()
4908    }
4909
4910    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
4911        self.git_store.read(cx).repositories()
4912    }
4913
4914    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
4915        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
4916    }
4917
4918    pub fn set_agent_location(
4919        &mut self,
4920        new_location: Option<AgentLocation>,
4921        cx: &mut Context<Self>,
4922    ) {
4923        if let Some(old_location) = self.agent_location.as_ref() {
4924            old_location
4925                .buffer
4926                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
4927                .ok();
4928        }
4929
4930        if let Some(location) = new_location.as_ref() {
4931            location
4932                .buffer
4933                .update(cx, |buffer, cx| {
4934                    buffer.set_agent_selections(
4935                        Arc::from([language::Selection {
4936                            id: 0,
4937                            start: location.position,
4938                            end: location.position,
4939                            reversed: false,
4940                            goal: language::SelectionGoal::None,
4941                        }]),
4942                        false,
4943                        CursorShape::Hollow,
4944                        cx,
4945                    )
4946                })
4947                .ok();
4948        }
4949
4950        self.agent_location = new_location;
4951        cx.emit(Event::AgentLocationChanged);
4952    }
4953
4954    pub fn agent_location(&self) -> Option<AgentLocation> {
4955        self.agent_location.clone()
4956    }
4957}
4958
4959pub struct PathMatchCandidateSet {
4960    pub snapshot: Snapshot,
4961    pub include_ignored: bool,
4962    pub include_root_name: bool,
4963    pub candidates: Candidates,
4964}
4965
4966pub enum Candidates {
4967    /// Only consider directories.
4968    Directories,
4969    /// Only consider files.
4970    Files,
4971    /// Consider directories and files.
4972    Entries,
4973}
4974
4975impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
4976    type Candidates = PathMatchCandidateSetIter<'a>;
4977
4978    fn id(&self) -> usize {
4979        self.snapshot.id().to_usize()
4980    }
4981
4982    fn len(&self) -> usize {
4983        match self.candidates {
4984            Candidates::Files => {
4985                if self.include_ignored {
4986                    self.snapshot.file_count()
4987                } else {
4988                    self.snapshot.visible_file_count()
4989                }
4990            }
4991
4992            Candidates::Directories => {
4993                if self.include_ignored {
4994                    self.snapshot.dir_count()
4995                } else {
4996                    self.snapshot.visible_dir_count()
4997                }
4998            }
4999
5000            Candidates::Entries => {
5001                if self.include_ignored {
5002                    self.snapshot.entry_count()
5003                } else {
5004                    self.snapshot.visible_entry_count()
5005                }
5006            }
5007        }
5008    }
5009
5010    fn prefix(&self) -> Arc<str> {
5011        if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
5012            self.snapshot.root_name().into()
5013        } else if self.include_root_name {
5014            format!("{}{}", self.snapshot.root_name(), std::path::MAIN_SEPARATOR).into()
5015        } else {
5016            Arc::default()
5017        }
5018    }
5019
5020    fn candidates(&'a self, start: usize) -> Self::Candidates {
5021        PathMatchCandidateSetIter {
5022            traversal: match self.candidates {
5023                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5024                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5025                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5026            },
5027        }
5028    }
5029}
5030
5031pub struct PathMatchCandidateSetIter<'a> {
5032    traversal: Traversal<'a>,
5033}
5034
5035impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5036    type Item = fuzzy::PathMatchCandidate<'a>;
5037
5038    fn next(&mut self) -> Option<Self::Item> {
5039        self.traversal
5040            .next()
5041            .map(|entry| fuzzy::PathMatchCandidate {
5042                is_dir: entry.kind.is_dir(),
5043                path: &entry.path,
5044                char_bag: entry.char_bag,
5045            })
5046    }
5047}
5048
5049impl EventEmitter<Event> for Project {}
5050
5051impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5052    fn from(val: &'a ProjectPath) -> Self {
5053        SettingsLocation {
5054            worktree_id: val.worktree_id,
5055            path: val.path.as_ref(),
5056        }
5057    }
5058}
5059
5060impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
5061    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5062        Self {
5063            worktree_id,
5064            path: path.as_ref().into(),
5065        }
5066    }
5067}
5068
5069pub fn relativize_path(base: &Path, path: &Path) -> PathBuf {
5070    let mut path_components = path.components();
5071    let mut base_components = base.components();
5072    let mut components: Vec<Component> = Vec::new();
5073    loop {
5074        match (path_components.next(), base_components.next()) {
5075            (None, None) => break,
5076            (Some(a), None) => {
5077                components.push(a);
5078                components.extend(path_components.by_ref());
5079                break;
5080            }
5081            (None, _) => components.push(Component::ParentDir),
5082            (Some(a), Some(b)) if components.is_empty() && a == b => (),
5083            (Some(a), Some(Component::CurDir)) => components.push(a),
5084            (Some(a), Some(_)) => {
5085                components.push(Component::ParentDir);
5086                for _ in base_components {
5087                    components.push(Component::ParentDir);
5088                }
5089                components.push(a);
5090                components.extend(path_components.by_ref());
5091                break;
5092            }
5093        }
5094    }
5095    components.iter().map(|c| c.as_os_str()).collect()
5096}
5097
5098fn resolve_path(base: &Path, path: &Path) -> PathBuf {
5099    let mut result = base.to_path_buf();
5100    for component in path.components() {
5101        match component {
5102            Component::ParentDir => {
5103                result.pop();
5104            }
5105            Component::CurDir => (),
5106            _ => result.push(component),
5107        }
5108    }
5109    result
5110}
5111
5112/// ResolvedPath is a path that has been resolved to either a ProjectPath
5113/// or an AbsPath and that *exists*.
5114#[derive(Debug, Clone)]
5115pub enum ResolvedPath {
5116    ProjectPath {
5117        project_path: ProjectPath,
5118        is_dir: bool,
5119    },
5120    AbsPath {
5121        path: PathBuf,
5122        is_dir: bool,
5123    },
5124}
5125
5126impl ResolvedPath {
5127    pub fn abs_path(&self) -> Option<&Path> {
5128        match self {
5129            Self::AbsPath { path, .. } => Some(path.as_path()),
5130            _ => None,
5131        }
5132    }
5133
5134    pub fn into_abs_path(self) -> Option<PathBuf> {
5135        match self {
5136            Self::AbsPath { path, .. } => Some(path),
5137            _ => None,
5138        }
5139    }
5140
5141    pub fn project_path(&self) -> Option<&ProjectPath> {
5142        match self {
5143            Self::ProjectPath { project_path, .. } => Some(&project_path),
5144            _ => None,
5145        }
5146    }
5147
5148    pub fn is_file(&self) -> bool {
5149        !self.is_dir()
5150    }
5151
5152    pub fn is_dir(&self) -> bool {
5153        match self {
5154            Self::ProjectPath { is_dir, .. } => *is_dir,
5155            Self::AbsPath { is_dir, .. } => *is_dir,
5156        }
5157    }
5158}
5159
5160impl ProjectItem for Buffer {
5161    fn try_open(
5162        project: &Entity<Project>,
5163        path: &ProjectPath,
5164        cx: &mut App,
5165    ) -> Option<Task<Result<Entity<Self>>>> {
5166        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5167    }
5168
5169    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId> {
5170        File::from_dyn(self.file()).and_then(|file| file.project_entry_id(cx))
5171    }
5172
5173    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5174        self.file().map(|file| ProjectPath {
5175            worktree_id: file.worktree_id(cx),
5176            path: file.path().clone(),
5177        })
5178    }
5179
5180    fn is_dirty(&self) -> bool {
5181        self.is_dirty()
5182    }
5183}
5184
5185impl Completion {
5186    pub fn kind(&self) -> Option<CompletionItemKind> {
5187        self.source
5188            // `lsp::CompletionListItemDefaults` has no `kind` field
5189            .lsp_completion(false)
5190            .and_then(|lsp_completion| lsp_completion.kind)
5191    }
5192
5193    pub fn label(&self) -> Option<String> {
5194        self.source
5195            .lsp_completion(false)
5196            .map(|lsp_completion| lsp_completion.label.clone())
5197    }
5198
5199    /// A key that can be used to sort completions when displaying
5200    /// them to the user.
5201    pub fn sort_key(&self) -> (usize, &str) {
5202        const DEFAULT_KIND_KEY: usize = 3;
5203        let kind_key = self
5204            .kind()
5205            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5206                lsp::CompletionItemKind::KEYWORD => Some(0),
5207                lsp::CompletionItemKind::VARIABLE => Some(1),
5208                lsp::CompletionItemKind::CONSTANT => Some(2),
5209                _ => None,
5210            })
5211            .unwrap_or(DEFAULT_KIND_KEY);
5212        (kind_key, &self.label.text[self.label.filter_range.clone()])
5213    }
5214
5215    /// Whether this completion is a snippet.
5216    pub fn is_snippet(&self) -> bool {
5217        self.source
5218            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5219            .lsp_completion(true)
5220            .map_or(false, |lsp_completion| {
5221                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5222            })
5223    }
5224
5225    /// Returns the corresponding color for this completion.
5226    ///
5227    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5228    pub fn color(&self) -> Option<Hsla> {
5229        // `lsp::CompletionListItemDefaults` has no `kind` field
5230        let lsp_completion = self.source.lsp_completion(false)?;
5231        if lsp_completion.kind? == CompletionItemKind::COLOR {
5232            return color_extractor::extract_color(&lsp_completion);
5233        }
5234        None
5235    }
5236}
5237
5238pub fn sort_worktree_entries(entries: &mut [impl AsRef<Entry>]) {
5239    entries.sort_by(|entry_a, entry_b| {
5240        let entry_a = entry_a.as_ref();
5241        let entry_b = entry_b.as_ref();
5242        compare_paths(
5243            (&entry_a.path, entry_a.is_file()),
5244            (&entry_b.path, entry_b.is_file()),
5245        )
5246    });
5247}
5248
5249fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5250    match level {
5251        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5252        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5253        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5254    }
5255}