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    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  70    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::snippets_dir().to_owned();
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>, Entity<Buffer>)>> {
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            Ok((project_entry_id, buffer))
2334        })
2335    }
2336
2337    pub fn open_local_buffer(
2338        &mut self,
2339        abs_path: impl AsRef<Path>,
2340        cx: &mut Context<Self>,
2341    ) -> Task<Result<Entity<Buffer>>> {
2342        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2343            self.open_buffer((worktree.read(cx).id(), relative_path), cx)
2344        } else {
2345            Task::ready(Err(anyhow!("no such path")))
2346        }
2347    }
2348
2349    #[cfg(any(test, feature = "test-support"))]
2350    pub fn open_local_buffer_with_lsp(
2351        &mut self,
2352        abs_path: impl AsRef<Path>,
2353        cx: &mut Context<Self>,
2354    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2355        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2356            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2357        } else {
2358            Task::ready(Err(anyhow!("no such path")))
2359        }
2360    }
2361
2362    pub fn open_buffer(
2363        &mut self,
2364        path: impl Into<ProjectPath>,
2365        cx: &mut App,
2366    ) -> Task<Result<Entity<Buffer>>> {
2367        if self.is_disconnected(cx) {
2368            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2369        }
2370
2371        self.buffer_store.update(cx, |buffer_store, cx| {
2372            buffer_store.open_buffer(path.into(), cx)
2373        })
2374    }
2375
2376    #[cfg(any(test, feature = "test-support"))]
2377    pub fn open_buffer_with_lsp(
2378        &mut self,
2379        path: impl Into<ProjectPath>,
2380        cx: &mut Context<Self>,
2381    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2382        let buffer = self.open_buffer(path, cx);
2383        cx.spawn(async move |this, cx| {
2384            let buffer = buffer.await?;
2385            let handle = this.update(cx, |project, cx| {
2386                project.register_buffer_with_language_servers(&buffer, cx)
2387            })?;
2388            Ok((buffer, handle))
2389        })
2390    }
2391
2392    pub fn register_buffer_with_language_servers(
2393        &self,
2394        buffer: &Entity<Buffer>,
2395        cx: &mut App,
2396    ) -> OpenLspBufferHandle {
2397        self.lsp_store.update(cx, |lsp_store, cx| {
2398            lsp_store.register_buffer_with_language_servers(&buffer, false, cx)
2399        })
2400    }
2401
2402    pub fn open_unstaged_diff(
2403        &mut self,
2404        buffer: Entity<Buffer>,
2405        cx: &mut Context<Self>,
2406    ) -> Task<Result<Entity<BufferDiff>>> {
2407        if self.is_disconnected(cx) {
2408            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2409        }
2410        self.git_store
2411            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2412    }
2413
2414    pub fn open_uncommitted_diff(
2415        &mut self,
2416        buffer: Entity<Buffer>,
2417        cx: &mut Context<Self>,
2418    ) -> Task<Result<Entity<BufferDiff>>> {
2419        if self.is_disconnected(cx) {
2420            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2421        }
2422        self.git_store.update(cx, |git_store, cx| {
2423            git_store.open_uncommitted_diff(buffer, cx)
2424        })
2425    }
2426
2427    pub fn open_buffer_by_id(
2428        &mut self,
2429        id: BufferId,
2430        cx: &mut Context<Self>,
2431    ) -> Task<Result<Entity<Buffer>>> {
2432        if let Some(buffer) = self.buffer_for_id(id, cx) {
2433            Task::ready(Ok(buffer))
2434        } else if self.is_local() || self.is_via_ssh() {
2435            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2436        } else if let Some(project_id) = self.remote_id() {
2437            let request = self.client.request(proto::OpenBufferById {
2438                project_id,
2439                id: id.into(),
2440            });
2441            cx.spawn(async move |project, cx| {
2442                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2443                project
2444                    .update(cx, |project, cx| {
2445                        project.buffer_store.update(cx, |buffer_store, cx| {
2446                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2447                        })
2448                    })?
2449                    .await
2450            })
2451        } else {
2452            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2453        }
2454    }
2455
2456    pub fn save_buffers(
2457        &self,
2458        buffers: HashSet<Entity<Buffer>>,
2459        cx: &mut Context<Self>,
2460    ) -> Task<Result<()>> {
2461        cx.spawn(async move |this, cx| {
2462            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2463                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2464                    .ok()
2465            });
2466            try_join_all(save_tasks).await?;
2467            Ok(())
2468        })
2469    }
2470
2471    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2472        self.buffer_store
2473            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2474    }
2475
2476    pub fn save_buffer_as(
2477        &mut self,
2478        buffer: Entity<Buffer>,
2479        path: ProjectPath,
2480        cx: &mut Context<Self>,
2481    ) -> Task<Result<()>> {
2482        self.buffer_store.update(cx, |buffer_store, cx| {
2483            buffer_store.save_buffer_as(buffer.clone(), path, cx)
2484        })
2485    }
2486
2487    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
2488        self.buffer_store.read(cx).get_by_path(path, cx)
2489    }
2490
2491    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
2492        {
2493            let mut remotely_created_models = self.remotely_created_models.lock();
2494            if remotely_created_models.retain_count > 0 {
2495                remotely_created_models.buffers.push(buffer.clone())
2496            }
2497        }
2498
2499        self.request_buffer_diff_recalculation(buffer, cx);
2500
2501        cx.subscribe(buffer, |this, buffer, event, cx| {
2502            this.on_buffer_event(buffer, event, cx);
2503        })
2504        .detach();
2505
2506        Ok(())
2507    }
2508
2509    pub fn open_image(
2510        &mut self,
2511        path: impl Into<ProjectPath>,
2512        cx: &mut Context<Self>,
2513    ) -> Task<Result<Entity<ImageItem>>> {
2514        if self.is_disconnected(cx) {
2515            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2516        }
2517
2518        let open_image_task = self.image_store.update(cx, |image_store, cx| {
2519            image_store.open_image(path.into(), cx)
2520        });
2521
2522        let weak_project = cx.entity().downgrade();
2523        cx.spawn(async move |_, cx| {
2524            let image_item = open_image_task.await?;
2525            let project = weak_project.upgrade().context("Project dropped")?;
2526
2527            let metadata = ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
2528            image_item.update(cx, |image_item, cx| {
2529                image_item.image_metadata = Some(metadata);
2530                cx.emit(ImageItemEvent::MetadataUpdated);
2531            })?;
2532
2533            Ok(image_item)
2534        })
2535    }
2536
2537    async fn send_buffer_ordered_messages(
2538        this: WeakEntity<Self>,
2539        rx: UnboundedReceiver<BufferOrderedMessage>,
2540        cx: &mut AsyncApp,
2541    ) -> Result<()> {
2542        const MAX_BATCH_SIZE: usize = 128;
2543
2544        let mut operations_by_buffer_id = HashMap::default();
2545        async fn flush_operations(
2546            this: &WeakEntity<Project>,
2547            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
2548            needs_resync_with_host: &mut bool,
2549            is_local: bool,
2550            cx: &mut AsyncApp,
2551        ) -> Result<()> {
2552            for (buffer_id, operations) in operations_by_buffer_id.drain() {
2553                let request = this.update(cx, |this, _| {
2554                    let project_id = this.remote_id()?;
2555                    Some(this.client.request(proto::UpdateBuffer {
2556                        buffer_id: buffer_id.into(),
2557                        project_id,
2558                        operations,
2559                    }))
2560                })?;
2561                if let Some(request) = request {
2562                    if request.await.is_err() && !is_local {
2563                        *needs_resync_with_host = true;
2564                        break;
2565                    }
2566                }
2567            }
2568            Ok(())
2569        }
2570
2571        let mut needs_resync_with_host = false;
2572        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2573
2574        while let Some(changes) = changes.next().await {
2575            let is_local = this.update(cx, |this, _| this.is_local())?;
2576
2577            for change in changes {
2578                match change {
2579                    BufferOrderedMessage::Operation {
2580                        buffer_id,
2581                        operation,
2582                    } => {
2583                        if needs_resync_with_host {
2584                            continue;
2585                        }
2586
2587                        operations_by_buffer_id
2588                            .entry(buffer_id)
2589                            .or_insert(Vec::new())
2590                            .push(operation);
2591                    }
2592
2593                    BufferOrderedMessage::Resync => {
2594                        operations_by_buffer_id.clear();
2595                        if this
2596                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
2597                            .await
2598                            .is_ok()
2599                        {
2600                            needs_resync_with_host = false;
2601                        }
2602                    }
2603
2604                    BufferOrderedMessage::LanguageServerUpdate {
2605                        language_server_id,
2606                        message,
2607                    } => {
2608                        flush_operations(
2609                            &this,
2610                            &mut operations_by_buffer_id,
2611                            &mut needs_resync_with_host,
2612                            is_local,
2613                            cx,
2614                        )
2615                        .await?;
2616
2617                        this.update(cx, |this, _| {
2618                            if let Some(project_id) = this.remote_id() {
2619                                this.client
2620                                    .send(proto::UpdateLanguageServer {
2621                                        project_id,
2622                                        language_server_id: language_server_id.0 as u64,
2623                                        variant: Some(message),
2624                                    })
2625                                    .log_err();
2626                            }
2627                        })?;
2628                    }
2629                }
2630            }
2631
2632            flush_operations(
2633                &this,
2634                &mut operations_by_buffer_id,
2635                &mut needs_resync_with_host,
2636                is_local,
2637                cx,
2638            )
2639            .await?;
2640        }
2641
2642        Ok(())
2643    }
2644
2645    fn on_buffer_store_event(
2646        &mut self,
2647        _: Entity<BufferStore>,
2648        event: &BufferStoreEvent,
2649        cx: &mut Context<Self>,
2650    ) {
2651        match event {
2652            BufferStoreEvent::BufferAdded(buffer) => {
2653                self.register_buffer(buffer, cx).log_err();
2654            }
2655            BufferStoreEvent::BufferDropped(buffer_id) => {
2656                if let Some(ref ssh_client) = self.ssh_client {
2657                    ssh_client
2658                        .read(cx)
2659                        .proto_client()
2660                        .send(proto::CloseBuffer {
2661                            project_id: 0,
2662                            buffer_id: buffer_id.to_proto(),
2663                        })
2664                        .log_err();
2665                }
2666            }
2667            _ => {}
2668        }
2669    }
2670
2671    fn on_image_store_event(
2672        &mut self,
2673        _: Entity<ImageStore>,
2674        event: &ImageStoreEvent,
2675        cx: &mut Context<Self>,
2676    ) {
2677        match event {
2678            ImageStoreEvent::ImageAdded(image) => {
2679                cx.subscribe(image, |this, image, event, cx| {
2680                    this.on_image_event(image, event, cx);
2681                })
2682                .detach();
2683            }
2684        }
2685    }
2686
2687    fn on_dap_store_event(
2688        &mut self,
2689        _: Entity<DapStore>,
2690        event: &DapStoreEvent,
2691        cx: &mut Context<Self>,
2692    ) {
2693        match event {
2694            DapStoreEvent::Notification(message) => {
2695                cx.emit(Event::Toast {
2696                    notification_id: "dap".into(),
2697                    message: message.clone(),
2698                });
2699            }
2700            _ => {}
2701        }
2702    }
2703
2704    fn on_lsp_store_event(
2705        &mut self,
2706        _: Entity<LspStore>,
2707        event: &LspStoreEvent,
2708        cx: &mut Context<Self>,
2709    ) {
2710        match event {
2711            LspStoreEvent::DiagnosticsUpdated {
2712                language_server_id,
2713                path,
2714            } => cx.emit(Event::DiagnosticsUpdated {
2715                path: path.clone(),
2716                language_server_id: *language_server_id,
2717            }),
2718            LspStoreEvent::LanguageServerAdded(language_server_id, name, worktree_id) => cx.emit(
2719                Event::LanguageServerAdded(*language_server_id, name.clone(), *worktree_id),
2720            ),
2721            LspStoreEvent::LanguageServerRemoved(language_server_id) => {
2722                cx.emit(Event::LanguageServerRemoved(*language_server_id))
2723            }
2724            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
2725                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
2726            ),
2727            LspStoreEvent::LanguageDetected {
2728                buffer,
2729                new_language,
2730            } => {
2731                let Some(_) = new_language else {
2732                    cx.emit(Event::LanguageNotFound(buffer.clone()));
2733                    return;
2734                };
2735            }
2736            LspStoreEvent::RefreshInlayHints => cx.emit(Event::RefreshInlayHints),
2737            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
2738            LspStoreEvent::LanguageServerPrompt(prompt) => {
2739                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
2740            }
2741            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
2742                cx.emit(Event::DiskBasedDiagnosticsStarted {
2743                    language_server_id: *language_server_id,
2744                });
2745            }
2746            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
2747                cx.emit(Event::DiskBasedDiagnosticsFinished {
2748                    language_server_id: *language_server_id,
2749                });
2750            }
2751            LspStoreEvent::LanguageServerUpdate {
2752                language_server_id,
2753                message,
2754            } => {
2755                if self.is_local() {
2756                    self.enqueue_buffer_ordered_message(
2757                        BufferOrderedMessage::LanguageServerUpdate {
2758                            language_server_id: *language_server_id,
2759                            message: message.clone(),
2760                        },
2761                    )
2762                    .ok();
2763                }
2764            }
2765            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
2766                notification_id: "lsp".into(),
2767                message: message.clone(),
2768            }),
2769            LspStoreEvent::SnippetEdit {
2770                buffer_id,
2771                edits,
2772                most_recent_edit,
2773            } => {
2774                if most_recent_edit.replica_id == self.replica_id() {
2775                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
2776                }
2777            }
2778        }
2779    }
2780
2781    fn on_ssh_event(
2782        &mut self,
2783        _: Entity<SshRemoteClient>,
2784        event: &remote::SshRemoteEvent,
2785        cx: &mut Context<Self>,
2786    ) {
2787        match event {
2788            remote::SshRemoteEvent::Disconnected => {
2789                // if self.is_via_ssh() {
2790                // self.collaborators.clear();
2791                self.worktree_store.update(cx, |store, cx| {
2792                    store.disconnected_from_host(cx);
2793                });
2794                self.buffer_store.update(cx, |buffer_store, cx| {
2795                    buffer_store.disconnected_from_host(cx)
2796                });
2797                self.lsp_store.update(cx, |lsp_store, _cx| {
2798                    lsp_store.disconnected_from_ssh_remote()
2799                });
2800                cx.emit(Event::DisconnectedFromSshRemote);
2801            }
2802        }
2803    }
2804
2805    fn on_settings_observer_event(
2806        &mut self,
2807        _: Entity<SettingsObserver>,
2808        event: &SettingsObserverEvent,
2809        cx: &mut Context<Self>,
2810    ) {
2811        match event {
2812            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
2813                Err(InvalidSettingsError::LocalSettings { message, path }) => {
2814                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
2815                    cx.emit(Event::Toast {
2816                        notification_id: format!("local-settings-{path:?}").into(),
2817                        message,
2818                    });
2819                }
2820                Ok(path) => cx.emit(Event::HideToast {
2821                    notification_id: format!("local-settings-{path:?}").into(),
2822                }),
2823                Err(_) => {}
2824            },
2825            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
2826                Err(InvalidSettingsError::Tasks { message, path }) => {
2827                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
2828                    cx.emit(Event::Toast {
2829                        notification_id: format!("local-tasks-{path:?}").into(),
2830                        message,
2831                    });
2832                }
2833                Ok(path) => cx.emit(Event::HideToast {
2834                    notification_id: format!("local-tasks-{path:?}").into(),
2835                }),
2836                Err(_) => {}
2837            },
2838        }
2839    }
2840
2841    fn on_worktree_store_event(
2842        &mut self,
2843        _: Entity<WorktreeStore>,
2844        event: &WorktreeStoreEvent,
2845        cx: &mut Context<Self>,
2846    ) {
2847        match event {
2848            WorktreeStoreEvent::WorktreeAdded(worktree) => {
2849                self.on_worktree_added(worktree, cx);
2850                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
2851            }
2852            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
2853                cx.emit(Event::WorktreeRemoved(*id));
2854            }
2855            WorktreeStoreEvent::WorktreeReleased(_, id) => {
2856                self.on_worktree_released(*id, cx);
2857            }
2858            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
2859            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
2860            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
2861                self.client()
2862                    .telemetry()
2863                    .report_discovered_project_events(*worktree_id, changes);
2864                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
2865            }
2866            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
2867                cx.emit(Event::DeletedEntry(*worktree_id, *id))
2868            }
2869            // Listen to the GitStore instead.
2870            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
2871        }
2872    }
2873
2874    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
2875        let mut remotely_created_models = self.remotely_created_models.lock();
2876        if remotely_created_models.retain_count > 0 {
2877            remotely_created_models.worktrees.push(worktree.clone())
2878        }
2879    }
2880
2881    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
2882        if let Some(ssh) = &self.ssh_client {
2883            ssh.read(cx)
2884                .proto_client()
2885                .send(proto::RemoveWorktree {
2886                    worktree_id: id_to_remove.to_proto(),
2887                })
2888                .log_err();
2889        }
2890    }
2891
2892    fn on_buffer_event(
2893        &mut self,
2894        buffer: Entity<Buffer>,
2895        event: &BufferEvent,
2896        cx: &mut Context<Self>,
2897    ) -> Option<()> {
2898        if matches!(event, BufferEvent::Edited { .. } | BufferEvent::Reloaded) {
2899            self.request_buffer_diff_recalculation(&buffer, cx);
2900        }
2901
2902        let buffer_id = buffer.read(cx).remote_id();
2903        match event {
2904            BufferEvent::ReloadNeeded => {
2905                if !self.is_via_collab() {
2906                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
2907                        .detach_and_log_err(cx);
2908                }
2909            }
2910            BufferEvent::Operation {
2911                operation,
2912                is_local: true,
2913            } => {
2914                let operation = language::proto::serialize_operation(operation);
2915
2916                if let Some(ssh) = &self.ssh_client {
2917                    ssh.read(cx)
2918                        .proto_client()
2919                        .send(proto::UpdateBuffer {
2920                            project_id: 0,
2921                            buffer_id: buffer_id.to_proto(),
2922                            operations: vec![operation.clone()],
2923                        })
2924                        .ok();
2925                }
2926
2927                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
2928                    buffer_id,
2929                    operation,
2930                })
2931                .ok();
2932            }
2933
2934            _ => {}
2935        }
2936
2937        None
2938    }
2939
2940    fn on_image_event(
2941        &mut self,
2942        image: Entity<ImageItem>,
2943        event: &ImageItemEvent,
2944        cx: &mut Context<Self>,
2945    ) -> Option<()> {
2946        match event {
2947            ImageItemEvent::ReloadNeeded => {
2948                if !self.is_via_collab() {
2949                    self.reload_images([image.clone()].into_iter().collect(), cx)
2950                        .detach_and_log_err(cx);
2951                }
2952            }
2953            _ => {}
2954        }
2955
2956        None
2957    }
2958
2959    fn request_buffer_diff_recalculation(
2960        &mut self,
2961        buffer: &Entity<Buffer>,
2962        cx: &mut Context<Self>,
2963    ) {
2964        self.buffers_needing_diff.insert(buffer.downgrade());
2965        let first_insertion = self.buffers_needing_diff.len() == 1;
2966
2967        let settings = ProjectSettings::get_global(cx);
2968        let delay = if let Some(delay) = settings.git.gutter_debounce {
2969            delay
2970        } else {
2971            if first_insertion {
2972                let this = cx.weak_entity();
2973                cx.defer(move |cx| {
2974                    if let Some(this) = this.upgrade() {
2975                        this.update(cx, |this, cx| {
2976                            this.recalculate_buffer_diffs(cx).detach();
2977                        });
2978                    }
2979                });
2980            }
2981            return;
2982        };
2983
2984        const MIN_DELAY: u64 = 50;
2985        let delay = delay.max(MIN_DELAY);
2986        let duration = Duration::from_millis(delay);
2987
2988        self.git_diff_debouncer
2989            .fire_new(duration, cx, move |this, cx| {
2990                this.recalculate_buffer_diffs(cx)
2991            });
2992    }
2993
2994    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
2995        cx.spawn(async move |this, cx| {
2996            loop {
2997                let task = this
2998                    .update(cx, |this, cx| {
2999                        let buffers = this
3000                            .buffers_needing_diff
3001                            .drain()
3002                            .filter_map(|buffer| buffer.upgrade())
3003                            .collect::<Vec<_>>();
3004                        if buffers.is_empty() {
3005                            None
3006                        } else {
3007                            Some(this.git_store.update(cx, |git_store, cx| {
3008                                git_store.recalculate_buffer_diffs(buffers, cx)
3009                            }))
3010                        }
3011                    })
3012                    .ok()
3013                    .flatten();
3014
3015                if let Some(task) = task {
3016                    task.await;
3017                } else {
3018                    break;
3019                }
3020            }
3021        })
3022    }
3023
3024    pub fn set_language_for_buffer(
3025        &mut self,
3026        buffer: &Entity<Buffer>,
3027        new_language: Arc<Language>,
3028        cx: &mut Context<Self>,
3029    ) {
3030        self.lsp_store.update(cx, |lsp_store, cx| {
3031            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3032        })
3033    }
3034
3035    pub fn restart_language_servers_for_buffers(
3036        &mut self,
3037        buffers: Vec<Entity<Buffer>>,
3038        cx: &mut Context<Self>,
3039    ) {
3040        self.lsp_store.update(cx, |lsp_store, cx| {
3041            lsp_store.restart_language_servers_for_buffers(buffers, cx)
3042        })
3043    }
3044
3045    pub fn stop_language_servers_for_buffers(
3046        &mut self,
3047        buffers: Vec<Entity<Buffer>>,
3048        cx: &mut Context<Self>,
3049    ) {
3050        self.lsp_store.update(cx, |lsp_store, cx| {
3051            lsp_store.stop_language_servers_for_buffers(buffers, cx)
3052        })
3053    }
3054
3055    pub fn cancel_language_server_work_for_buffers(
3056        &mut self,
3057        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3058        cx: &mut Context<Self>,
3059    ) {
3060        self.lsp_store.update(cx, |lsp_store, cx| {
3061            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3062        })
3063    }
3064
3065    pub fn cancel_language_server_work(
3066        &mut self,
3067        server_id: LanguageServerId,
3068        token_to_cancel: Option<String>,
3069        cx: &mut Context<Self>,
3070    ) {
3071        self.lsp_store.update(cx, |lsp_store, cx| {
3072            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3073        })
3074    }
3075
3076    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3077        self.buffer_ordered_messages_tx
3078            .unbounded_send(message)
3079            .map_err(|e| anyhow!(e))
3080    }
3081
3082    pub fn available_toolchains(
3083        &self,
3084        path: ProjectPath,
3085        language_name: LanguageName,
3086        cx: &App,
3087    ) -> Task<Option<ToolchainList>> {
3088        if let Some(toolchain_store) = self.toolchain_store.clone() {
3089            cx.spawn(async move |cx| {
3090                cx.update(|cx| {
3091                    toolchain_store
3092                        .read(cx)
3093                        .list_toolchains(path, language_name, cx)
3094                })
3095                .ok()?
3096                .await
3097            })
3098        } else {
3099            Task::ready(None)
3100        }
3101    }
3102
3103    pub async fn toolchain_term(
3104        languages: Arc<LanguageRegistry>,
3105        language_name: LanguageName,
3106    ) -> Option<SharedString> {
3107        languages
3108            .language_for_name(language_name.as_ref())
3109            .await
3110            .ok()?
3111            .toolchain_lister()
3112            .map(|lister| lister.term())
3113    }
3114
3115    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3116        self.toolchain_store.clone()
3117    }
3118    pub fn activate_toolchain(
3119        &self,
3120        path: ProjectPath,
3121        toolchain: Toolchain,
3122        cx: &mut App,
3123    ) -> Task<Option<()>> {
3124        let Some(toolchain_store) = self.toolchain_store.clone() else {
3125            return Task::ready(None);
3126        };
3127        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3128    }
3129    pub fn active_toolchain(
3130        &self,
3131        path: ProjectPath,
3132        language_name: LanguageName,
3133        cx: &App,
3134    ) -> Task<Option<Toolchain>> {
3135        let Some(toolchain_store) = self.toolchain_store.clone() else {
3136            return Task::ready(None);
3137        };
3138        toolchain_store
3139            .read(cx)
3140            .active_toolchain(path, language_name, cx)
3141    }
3142    pub fn language_server_statuses<'a>(
3143        &'a self,
3144        cx: &'a App,
3145    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3146        self.lsp_store.read(cx).language_server_statuses()
3147    }
3148
3149    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3150        self.lsp_store.read(cx).last_formatting_failure()
3151    }
3152
3153    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3154        self.lsp_store
3155            .update(cx, |store, _| store.reset_last_formatting_failure());
3156    }
3157
3158    pub fn reload_buffers(
3159        &self,
3160        buffers: HashSet<Entity<Buffer>>,
3161        push_to_history: bool,
3162        cx: &mut Context<Self>,
3163    ) -> Task<Result<ProjectTransaction>> {
3164        self.buffer_store.update(cx, |buffer_store, cx| {
3165            buffer_store.reload_buffers(buffers, push_to_history, cx)
3166        })
3167    }
3168
3169    pub fn reload_images(
3170        &self,
3171        images: HashSet<Entity<ImageItem>>,
3172        cx: &mut Context<Self>,
3173    ) -> Task<Result<()>> {
3174        self.image_store
3175            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3176    }
3177
3178    pub fn format(
3179        &mut self,
3180        buffers: HashSet<Entity<Buffer>>,
3181        target: LspFormatTarget,
3182        push_to_history: bool,
3183        trigger: lsp_store::FormatTrigger,
3184        cx: &mut Context<Project>,
3185    ) -> Task<anyhow::Result<ProjectTransaction>> {
3186        self.lsp_store.update(cx, |lsp_store, cx| {
3187            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3188        })
3189    }
3190
3191    #[inline(never)]
3192    fn definition_impl(
3193        &mut self,
3194        buffer: &Entity<Buffer>,
3195        position: PointUtf16,
3196        cx: &mut Context<Self>,
3197    ) -> Task<Result<Vec<LocationLink>>> {
3198        self.request_lsp(
3199            buffer.clone(),
3200            LanguageServerToQuery::FirstCapable,
3201            GetDefinition { position },
3202            cx,
3203        )
3204    }
3205    pub fn definition<T: ToPointUtf16>(
3206        &mut self,
3207        buffer: &Entity<Buffer>,
3208        position: T,
3209        cx: &mut Context<Self>,
3210    ) -> Task<Result<Vec<LocationLink>>> {
3211        let position = position.to_point_utf16(buffer.read(cx));
3212        self.definition_impl(buffer, position, cx)
3213    }
3214
3215    fn declaration_impl(
3216        &mut self,
3217        buffer: &Entity<Buffer>,
3218        position: PointUtf16,
3219        cx: &mut Context<Self>,
3220    ) -> Task<Result<Vec<LocationLink>>> {
3221        self.request_lsp(
3222            buffer.clone(),
3223            LanguageServerToQuery::FirstCapable,
3224            GetDeclaration { position },
3225            cx,
3226        )
3227    }
3228
3229    pub fn declaration<T: ToPointUtf16>(
3230        &mut self,
3231        buffer: &Entity<Buffer>,
3232        position: T,
3233        cx: &mut Context<Self>,
3234    ) -> Task<Result<Vec<LocationLink>>> {
3235        let position = position.to_point_utf16(buffer.read(cx));
3236        self.declaration_impl(buffer, position, cx)
3237    }
3238
3239    fn type_definition_impl(
3240        &mut self,
3241        buffer: &Entity<Buffer>,
3242        position: PointUtf16,
3243        cx: &mut Context<Self>,
3244    ) -> Task<Result<Vec<LocationLink>>> {
3245        self.request_lsp(
3246            buffer.clone(),
3247            LanguageServerToQuery::FirstCapable,
3248            GetTypeDefinition { position },
3249            cx,
3250        )
3251    }
3252
3253    pub fn type_definition<T: ToPointUtf16>(
3254        &mut self,
3255        buffer: &Entity<Buffer>,
3256        position: T,
3257        cx: &mut Context<Self>,
3258    ) -> Task<Result<Vec<LocationLink>>> {
3259        let position = position.to_point_utf16(buffer.read(cx));
3260        self.type_definition_impl(buffer, position, cx)
3261    }
3262
3263    pub fn implementation<T: ToPointUtf16>(
3264        &mut self,
3265        buffer: &Entity<Buffer>,
3266        position: T,
3267        cx: &mut Context<Self>,
3268    ) -> Task<Result<Vec<LocationLink>>> {
3269        let position = position.to_point_utf16(buffer.read(cx));
3270        self.request_lsp(
3271            buffer.clone(),
3272            LanguageServerToQuery::FirstCapable,
3273            GetImplementation { position },
3274            cx,
3275        )
3276    }
3277
3278    pub fn references<T: ToPointUtf16>(
3279        &mut self,
3280        buffer: &Entity<Buffer>,
3281        position: T,
3282        cx: &mut Context<Self>,
3283    ) -> Task<Result<Vec<Location>>> {
3284        let position = position.to_point_utf16(buffer.read(cx));
3285        self.request_lsp(
3286            buffer.clone(),
3287            LanguageServerToQuery::FirstCapable,
3288            GetReferences { position },
3289            cx,
3290        )
3291    }
3292
3293    fn document_highlights_impl(
3294        &mut self,
3295        buffer: &Entity<Buffer>,
3296        position: PointUtf16,
3297        cx: &mut Context<Self>,
3298    ) -> Task<Result<Vec<DocumentHighlight>>> {
3299        self.request_lsp(
3300            buffer.clone(),
3301            LanguageServerToQuery::FirstCapable,
3302            GetDocumentHighlights { position },
3303            cx,
3304        )
3305    }
3306
3307    pub fn document_highlights<T: ToPointUtf16>(
3308        &mut self,
3309        buffer: &Entity<Buffer>,
3310        position: T,
3311        cx: &mut Context<Self>,
3312    ) -> Task<Result<Vec<DocumentHighlight>>> {
3313        let position = position.to_point_utf16(buffer.read(cx));
3314        self.document_highlights_impl(buffer, position, cx)
3315    }
3316
3317    pub fn document_symbols(
3318        &mut self,
3319        buffer: &Entity<Buffer>,
3320        cx: &mut Context<Self>,
3321    ) -> Task<Result<Vec<DocumentSymbol>>> {
3322        self.request_lsp(
3323            buffer.clone(),
3324            LanguageServerToQuery::FirstCapable,
3325            GetDocumentSymbols,
3326            cx,
3327        )
3328    }
3329
3330    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3331        self.lsp_store
3332            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3333    }
3334
3335    pub fn open_buffer_for_symbol(
3336        &mut self,
3337        symbol: &Symbol,
3338        cx: &mut Context<Self>,
3339    ) -> Task<Result<Entity<Buffer>>> {
3340        self.lsp_store.update(cx, |lsp_store, cx| {
3341            lsp_store.open_buffer_for_symbol(symbol, cx)
3342        })
3343    }
3344
3345    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
3346        let guard = self.retain_remotely_created_models(cx);
3347        let Some(ssh_client) = self.ssh_client.as_ref() else {
3348            return Task::ready(Err(anyhow!("not an ssh project")));
3349        };
3350
3351        let proto_client = ssh_client.read(cx).proto_client();
3352
3353        cx.spawn(async move |project, cx| {
3354            let buffer = proto_client
3355                .request(proto::OpenServerSettings {
3356                    project_id: SSH_PROJECT_ID,
3357                })
3358                .await?;
3359
3360            let buffer = project
3361                .update(cx, |project, cx| {
3362                    project.buffer_store.update(cx, |buffer_store, cx| {
3363                        anyhow::Ok(
3364                            buffer_store
3365                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
3366                        )
3367                    })
3368                })??
3369                .await;
3370
3371            drop(guard);
3372            buffer
3373        })
3374    }
3375
3376    pub fn open_local_buffer_via_lsp(
3377        &mut self,
3378        abs_path: lsp::Url,
3379        language_server_id: LanguageServerId,
3380        language_server_name: LanguageServerName,
3381        cx: &mut Context<Self>,
3382    ) -> Task<Result<Entity<Buffer>>> {
3383        self.lsp_store.update(cx, |lsp_store, cx| {
3384            lsp_store.open_local_buffer_via_lsp(
3385                abs_path,
3386                language_server_id,
3387                language_server_name,
3388                cx,
3389            )
3390        })
3391    }
3392
3393    pub fn signature_help<T: ToPointUtf16>(
3394        &self,
3395        buffer: &Entity<Buffer>,
3396        position: T,
3397        cx: &mut Context<Self>,
3398    ) -> Task<Vec<SignatureHelp>> {
3399        self.lsp_store.update(cx, |lsp_store, cx| {
3400            lsp_store.signature_help(buffer, position, cx)
3401        })
3402    }
3403
3404    pub fn hover<T: ToPointUtf16>(
3405        &self,
3406        buffer: &Entity<Buffer>,
3407        position: T,
3408        cx: &mut Context<Self>,
3409    ) -> Task<Vec<Hover>> {
3410        let position = position.to_point_utf16(buffer.read(cx));
3411        self.lsp_store
3412            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
3413    }
3414
3415    pub fn linked_edit(
3416        &self,
3417        buffer: &Entity<Buffer>,
3418        position: Anchor,
3419        cx: &mut Context<Self>,
3420    ) -> Task<Result<Vec<Range<Anchor>>>> {
3421        self.lsp_store.update(cx, |lsp_store, cx| {
3422            lsp_store.linked_edit(buffer, position, cx)
3423        })
3424    }
3425
3426    pub fn completions<T: ToOffset + ToPointUtf16>(
3427        &self,
3428        buffer: &Entity<Buffer>,
3429        position: T,
3430        context: CompletionContext,
3431        cx: &mut Context<Self>,
3432    ) -> Task<Result<Option<Vec<Completion>>>> {
3433        let position = position.to_point_utf16(buffer.read(cx));
3434        self.lsp_store.update(cx, |lsp_store, cx| {
3435            lsp_store.completions(buffer, position, context, cx)
3436        })
3437    }
3438
3439    pub fn code_actions<T: Clone + ToOffset>(
3440        &mut self,
3441        buffer_handle: &Entity<Buffer>,
3442        range: Range<T>,
3443        kinds: Option<Vec<CodeActionKind>>,
3444        cx: &mut Context<Self>,
3445    ) -> Task<Result<Vec<CodeAction>>> {
3446        let buffer = buffer_handle.read(cx);
3447        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3448        self.lsp_store.update(cx, |lsp_store, cx| {
3449            lsp_store.code_actions(buffer_handle, range, kinds, cx)
3450        })
3451    }
3452
3453    pub fn code_lens<T: Clone + ToOffset>(
3454        &mut self,
3455        buffer_handle: &Entity<Buffer>,
3456        range: Range<T>,
3457        cx: &mut Context<Self>,
3458    ) -> Task<Result<Vec<CodeAction>>> {
3459        let snapshot = buffer_handle.read(cx).snapshot();
3460        let range = snapshot.anchor_before(range.start)..snapshot.anchor_after(range.end);
3461        let code_lens_actions = self
3462            .lsp_store
3463            .update(cx, |lsp_store, cx| lsp_store.code_lens(buffer_handle, cx));
3464
3465        cx.background_spawn(async move {
3466            let mut code_lens_actions = code_lens_actions.await?;
3467            code_lens_actions.retain(|code_lens_action| {
3468                range
3469                    .start
3470                    .cmp(&code_lens_action.range.start, &snapshot)
3471                    .is_ge()
3472                    && range
3473                        .end
3474                        .cmp(&code_lens_action.range.end, &snapshot)
3475                        .is_le()
3476            });
3477            Ok(code_lens_actions)
3478        })
3479    }
3480
3481    pub fn apply_code_action(
3482        &self,
3483        buffer_handle: Entity<Buffer>,
3484        action: CodeAction,
3485        push_to_history: bool,
3486        cx: &mut Context<Self>,
3487    ) -> Task<Result<ProjectTransaction>> {
3488        self.lsp_store.update(cx, |lsp_store, cx| {
3489            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
3490        })
3491    }
3492
3493    pub fn apply_code_action_kind(
3494        &self,
3495        buffers: HashSet<Entity<Buffer>>,
3496        kind: CodeActionKind,
3497        push_to_history: bool,
3498        cx: &mut Context<Self>,
3499    ) -> Task<Result<ProjectTransaction>> {
3500        self.lsp_store.update(cx, |lsp_store, cx| {
3501            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
3502        })
3503    }
3504
3505    fn prepare_rename_impl(
3506        &mut self,
3507        buffer: Entity<Buffer>,
3508        position: PointUtf16,
3509        cx: &mut Context<Self>,
3510    ) -> Task<Result<PrepareRenameResponse>> {
3511        self.request_lsp(
3512            buffer,
3513            LanguageServerToQuery::FirstCapable,
3514            PrepareRename { position },
3515            cx,
3516        )
3517    }
3518    pub fn prepare_rename<T: ToPointUtf16>(
3519        &mut self,
3520        buffer: Entity<Buffer>,
3521        position: T,
3522        cx: &mut Context<Self>,
3523    ) -> Task<Result<PrepareRenameResponse>> {
3524        let position = position.to_point_utf16(buffer.read(cx));
3525        self.prepare_rename_impl(buffer, position, cx)
3526    }
3527
3528    pub fn perform_rename<T: ToPointUtf16>(
3529        &mut self,
3530        buffer: Entity<Buffer>,
3531        position: T,
3532        new_name: String,
3533        cx: &mut Context<Self>,
3534    ) -> Task<Result<ProjectTransaction>> {
3535        let push_to_history = true;
3536        let position = position.to_point_utf16(buffer.read(cx));
3537        self.request_lsp(
3538            buffer,
3539            LanguageServerToQuery::FirstCapable,
3540            PerformRename {
3541                position,
3542                new_name,
3543                push_to_history,
3544            },
3545            cx,
3546        )
3547    }
3548
3549    pub fn on_type_format<T: ToPointUtf16>(
3550        &mut self,
3551        buffer: Entity<Buffer>,
3552        position: T,
3553        trigger: String,
3554        push_to_history: bool,
3555        cx: &mut Context<Self>,
3556    ) -> Task<Result<Option<Transaction>>> {
3557        self.lsp_store.update(cx, |lsp_store, cx| {
3558            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
3559        })
3560    }
3561
3562    pub fn inline_values(
3563        &mut self,
3564        session: Entity<Session>,
3565        active_stack_frame: ActiveStackFrame,
3566        buffer_handle: Entity<Buffer>,
3567        range: Range<text::Anchor>,
3568        cx: &mut Context<Self>,
3569    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3570        let language_name = buffer_handle
3571            .read(cx)
3572            .language()
3573            .map(|language| language.name().to_string());
3574
3575        let Some(inline_value_provider) = language_name
3576            .and_then(|language| DapRegistry::global(cx).inline_value_provider(&language))
3577        else {
3578            return Task::ready(Err(anyhow::anyhow!("Inline value provider not found")));
3579        };
3580
3581        let snapshot = buffer_handle.read(cx).snapshot();
3582
3583        let Some(root_node) = snapshot.syntax_root_ancestor(range.end) else {
3584            return Task::ready(Ok(vec![]));
3585        };
3586
3587        let row = snapshot
3588            .summary_for_anchor::<text::PointUtf16>(&range.end)
3589            .row as usize;
3590
3591        let inline_value_locations = inline_value_provider.provide(
3592            root_node,
3593            snapshot
3594                .text_for_range(Anchor::MIN..range.end)
3595                .collect::<String>()
3596                .as_str(),
3597            row,
3598        );
3599
3600        let stack_frame_id = active_stack_frame.stack_frame_id;
3601        cx.spawn(async move |this, cx| {
3602            this.update(cx, |project, cx| {
3603                project.dap_store().update(cx, |dap_store, cx| {
3604                    dap_store.resolve_inline_value_locations(
3605                        session,
3606                        stack_frame_id,
3607                        buffer_handle,
3608                        inline_value_locations,
3609                        cx,
3610                    )
3611                })
3612            })?
3613            .await
3614        })
3615    }
3616
3617    pub fn inlay_hints<T: ToOffset>(
3618        &mut self,
3619        buffer_handle: Entity<Buffer>,
3620        range: Range<T>,
3621        cx: &mut Context<Self>,
3622    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3623        let buffer = buffer_handle.read(cx);
3624        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3625        self.lsp_store.update(cx, |lsp_store, cx| {
3626            lsp_store.inlay_hints(buffer_handle, range, cx)
3627        })
3628    }
3629
3630    pub fn resolve_inlay_hint(
3631        &self,
3632        hint: InlayHint,
3633        buffer_handle: Entity<Buffer>,
3634        server_id: LanguageServerId,
3635        cx: &mut Context<Self>,
3636    ) -> Task<anyhow::Result<InlayHint>> {
3637        self.lsp_store.update(cx, |lsp_store, cx| {
3638            lsp_store.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
3639        })
3640    }
3641
3642    pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
3643        let (result_tx, result_rx) = smol::channel::unbounded();
3644
3645        let matching_buffers_rx = if query.is_opened_only() {
3646            self.sort_search_candidates(&query, cx)
3647        } else {
3648            self.find_search_candidate_buffers(&query, MAX_SEARCH_RESULT_FILES + 1, cx)
3649        };
3650
3651        cx.spawn(async move |_, cx| {
3652            let mut range_count = 0;
3653            let mut buffer_count = 0;
3654            let mut limit_reached = false;
3655            let query = Arc::new(query);
3656            let chunks = matching_buffers_rx.ready_chunks(64);
3657
3658            // Now that we know what paths match the query, we will load at most
3659            // 64 buffers at a time to avoid overwhelming the main thread. For each
3660            // opened buffer, we will spawn a background task that retrieves all the
3661            // ranges in the buffer matched by the query.
3662            let mut chunks = pin!(chunks);
3663            'outer: while let Some(matching_buffer_chunk) = chunks.next().await {
3664                let mut chunk_results = Vec::with_capacity(matching_buffer_chunk.len());
3665                for buffer in matching_buffer_chunk {
3666                    let query = query.clone();
3667                    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
3668                    chunk_results.push(cx.background_spawn(async move {
3669                        let ranges = query
3670                            .search(&snapshot, None)
3671                            .await
3672                            .iter()
3673                            .map(|range| {
3674                                snapshot.anchor_before(range.start)
3675                                    ..snapshot.anchor_after(range.end)
3676                            })
3677                            .collect::<Vec<_>>();
3678                        anyhow::Ok((buffer, ranges))
3679                    }));
3680                }
3681
3682                let chunk_results = futures::future::join_all(chunk_results).await;
3683                for result in chunk_results {
3684                    if let Some((buffer, ranges)) = result.log_err() {
3685                        range_count += ranges.len();
3686                        buffer_count += 1;
3687                        result_tx
3688                            .send(SearchResult::Buffer { buffer, ranges })
3689                            .await?;
3690                        if buffer_count > MAX_SEARCH_RESULT_FILES
3691                            || range_count > MAX_SEARCH_RESULT_RANGES
3692                        {
3693                            limit_reached = true;
3694                            break 'outer;
3695                        }
3696                    }
3697                }
3698            }
3699
3700            if limit_reached {
3701                result_tx.send(SearchResult::LimitReached).await?;
3702            }
3703
3704            anyhow::Ok(())
3705        })
3706        .detach();
3707
3708        result_rx
3709    }
3710
3711    fn find_search_candidate_buffers(
3712        &mut self,
3713        query: &SearchQuery,
3714        limit: usize,
3715        cx: &mut Context<Project>,
3716    ) -> Receiver<Entity<Buffer>> {
3717        if self.is_local() {
3718            let fs = self.fs.clone();
3719            self.buffer_store.update(cx, |buffer_store, cx| {
3720                buffer_store.find_search_candidates(query, limit, fs, cx)
3721            })
3722        } else {
3723            self.find_search_candidates_remote(query, limit, cx)
3724        }
3725    }
3726
3727    fn sort_search_candidates(
3728        &mut self,
3729        search_query: &SearchQuery,
3730        cx: &mut Context<Project>,
3731    ) -> Receiver<Entity<Buffer>> {
3732        let worktree_store = self.worktree_store.read(cx);
3733        let mut buffers = search_query
3734            .buffers()
3735            .into_iter()
3736            .flatten()
3737            .filter(|buffer| {
3738                let b = buffer.read(cx);
3739                if let Some(file) = b.file() {
3740                    if !search_query.match_path(file.path()) {
3741                        return false;
3742                    }
3743                    if let Some(entry) = b
3744                        .entry_id(cx)
3745                        .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
3746                    {
3747                        if entry.is_ignored && !search_query.include_ignored() {
3748                            return false;
3749                        }
3750                    }
3751                }
3752                true
3753            })
3754            .collect::<Vec<_>>();
3755        let (tx, rx) = smol::channel::unbounded();
3756        buffers.sort_by(|a, b| match (a.read(cx).file(), b.read(cx).file()) {
3757            (None, None) => a.read(cx).remote_id().cmp(&b.read(cx).remote_id()),
3758            (None, Some(_)) => std::cmp::Ordering::Less,
3759            (Some(_), None) => std::cmp::Ordering::Greater,
3760            (Some(a), Some(b)) => compare_paths((a.path(), true), (b.path(), true)),
3761        });
3762        for buffer in buffers {
3763            tx.send_blocking(buffer.clone()).unwrap()
3764        }
3765
3766        rx
3767    }
3768
3769    fn find_search_candidates_remote(
3770        &mut self,
3771        query: &SearchQuery,
3772        limit: usize,
3773        cx: &mut Context<Project>,
3774    ) -> Receiver<Entity<Buffer>> {
3775        let (tx, rx) = smol::channel::unbounded();
3776
3777        let (client, remote_id): (AnyProtoClient, _) = if let Some(ssh_client) = &self.ssh_client {
3778            (ssh_client.read(cx).proto_client(), 0)
3779        } else if let Some(remote_id) = self.remote_id() {
3780            (self.client.clone().into(), remote_id)
3781        } else {
3782            return rx;
3783        };
3784
3785        let request = client.request(proto::FindSearchCandidates {
3786            project_id: remote_id,
3787            query: Some(query.to_proto()),
3788            limit: limit as _,
3789        });
3790        let guard = self.retain_remotely_created_models(cx);
3791
3792        cx.spawn(async move |project, cx| {
3793            let response = request.await?;
3794            for buffer_id in response.buffer_ids {
3795                let buffer_id = BufferId::new(buffer_id)?;
3796                let buffer = project
3797                    .update(cx, |project, cx| {
3798                        project.buffer_store.update(cx, |buffer_store, cx| {
3799                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
3800                        })
3801                    })?
3802                    .await?;
3803                let _ = tx.send(buffer).await;
3804            }
3805
3806            drop(guard);
3807            anyhow::Ok(())
3808        })
3809        .detach_and_log_err(cx);
3810        rx
3811    }
3812
3813    pub fn request_lsp<R: LspCommand>(
3814        &mut self,
3815        buffer_handle: Entity<Buffer>,
3816        server: LanguageServerToQuery,
3817        request: R,
3818        cx: &mut Context<Self>,
3819    ) -> Task<Result<R::Response>>
3820    where
3821        <R::LspRequest as lsp::request::Request>::Result: Send,
3822        <R::LspRequest as lsp::request::Request>::Params: Send,
3823    {
3824        let guard = self.retain_remotely_created_models(cx);
3825        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3826            lsp_store.request_lsp(buffer_handle, server, request, cx)
3827        });
3828        cx.spawn(async move |_, _| {
3829            let result = task.await;
3830            drop(guard);
3831            result
3832        })
3833    }
3834
3835    /// Move a worktree to a new position in the worktree order.
3836    ///
3837    /// The worktree will moved to the opposite side of the destination worktree.
3838    ///
3839    /// # Example
3840    ///
3841    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
3842    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
3843    ///
3844    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
3845    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
3846    ///
3847    /// # Errors
3848    ///
3849    /// An error will be returned if the worktree or destination worktree are not found.
3850    pub fn move_worktree(
3851        &mut self,
3852        source: WorktreeId,
3853        destination: WorktreeId,
3854        cx: &mut Context<Self>,
3855    ) -> Result<()> {
3856        self.worktree_store.update(cx, |worktree_store, cx| {
3857            worktree_store.move_worktree(source, destination, cx)
3858        })
3859    }
3860
3861    pub fn find_or_create_worktree(
3862        &mut self,
3863        abs_path: impl AsRef<Path>,
3864        visible: bool,
3865        cx: &mut Context<Self>,
3866    ) -> Task<Result<(Entity<Worktree>, PathBuf)>> {
3867        self.worktree_store.update(cx, |worktree_store, cx| {
3868            worktree_store.find_or_create_worktree(abs_path, visible, cx)
3869        })
3870    }
3871
3872    pub fn find_worktree(&self, abs_path: &Path, cx: &App) -> Option<(Entity<Worktree>, PathBuf)> {
3873        self.worktree_store.read_with(cx, |worktree_store, cx| {
3874            worktree_store.find_worktree(abs_path, cx)
3875        })
3876    }
3877
3878    pub fn is_shared(&self) -> bool {
3879        match &self.client_state {
3880            ProjectClientState::Shared { .. } => true,
3881            ProjectClientState::Local => false,
3882            ProjectClientState::Remote { .. } => true,
3883        }
3884    }
3885
3886    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
3887    pub fn resolve_path_in_buffer(
3888        &self,
3889        path: &str,
3890        buffer: &Entity<Buffer>,
3891        cx: &mut Context<Self>,
3892    ) -> Task<Option<ResolvedPath>> {
3893        let path_buf = PathBuf::from(path);
3894        if path_buf.is_absolute() || path.starts_with("~") {
3895            self.resolve_abs_path(path, cx)
3896        } else {
3897            self.resolve_path_in_worktrees(path_buf, buffer, cx)
3898        }
3899    }
3900
3901    pub fn resolve_abs_file_path(
3902        &self,
3903        path: &str,
3904        cx: &mut Context<Self>,
3905    ) -> Task<Option<ResolvedPath>> {
3906        let resolve_task = self.resolve_abs_path(path, cx);
3907        cx.background_spawn(async move {
3908            let resolved_path = resolve_task.await;
3909            resolved_path.filter(|path| path.is_file())
3910        })
3911    }
3912
3913    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
3914        if self.is_local() {
3915            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
3916            let fs = self.fs.clone();
3917            cx.background_spawn(async move {
3918                let path = expanded.as_path();
3919                let metadata = fs.metadata(path).await.ok().flatten();
3920
3921                metadata.map(|metadata| ResolvedPath::AbsPath {
3922                    path: expanded,
3923                    is_dir: metadata.is_dir,
3924                })
3925            })
3926        } else if let Some(ssh_client) = self.ssh_client.as_ref() {
3927            let request_path = Path::new(path);
3928            let request = ssh_client
3929                .read(cx)
3930                .proto_client()
3931                .request(proto::GetPathMetadata {
3932                    project_id: SSH_PROJECT_ID,
3933                    path: request_path.to_proto(),
3934                });
3935            cx.background_spawn(async move {
3936                let response = request.await.log_err()?;
3937                if response.exists {
3938                    Some(ResolvedPath::AbsPath {
3939                        path: PathBuf::from_proto(response.path),
3940                        is_dir: response.is_dir,
3941                    })
3942                } else {
3943                    None
3944                }
3945            })
3946        } else {
3947            return Task::ready(None);
3948        }
3949    }
3950
3951    fn resolve_path_in_worktrees(
3952        &self,
3953        path: PathBuf,
3954        buffer: &Entity<Buffer>,
3955        cx: &mut Context<Self>,
3956    ) -> Task<Option<ResolvedPath>> {
3957        let mut candidates = vec![path.clone()];
3958
3959        if let Some(file) = buffer.read(cx).file() {
3960            if let Some(dir) = file.path().parent() {
3961                let joined = dir.to_path_buf().join(path);
3962                candidates.push(joined);
3963            }
3964        }
3965
3966        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
3967        let worktrees_with_ids: Vec<_> = self
3968            .worktrees(cx)
3969            .map(|worktree| {
3970                let id = worktree.read(cx).id();
3971                (worktree, id)
3972            })
3973            .collect();
3974
3975        cx.spawn(async move |_, mut cx| {
3976            if let Some(buffer_worktree_id) = buffer_worktree_id {
3977                if let Some((worktree, _)) = worktrees_with_ids
3978                    .iter()
3979                    .find(|(_, id)| *id == buffer_worktree_id)
3980                {
3981                    for candidate in candidates.iter() {
3982                        if let Some(path) =
3983                            Self::resolve_path_in_worktree(&worktree, candidate, &mut cx)
3984                        {
3985                            return Some(path);
3986                        }
3987                    }
3988                }
3989            }
3990            for (worktree, id) in worktrees_with_ids {
3991                if Some(id) == buffer_worktree_id {
3992                    continue;
3993                }
3994                for candidate in candidates.iter() {
3995                    if let Some(path) =
3996                        Self::resolve_path_in_worktree(&worktree, candidate, &mut cx)
3997                    {
3998                        return Some(path);
3999                    }
4000                }
4001            }
4002            None
4003        })
4004    }
4005
4006    fn resolve_path_in_worktree(
4007        worktree: &Entity<Worktree>,
4008        path: &PathBuf,
4009        cx: &mut AsyncApp,
4010    ) -> Option<ResolvedPath> {
4011        worktree
4012            .update(cx, |worktree, _| {
4013                let root_entry_path = &worktree.root_entry()?.path;
4014                let resolved = resolve_path(root_entry_path, path);
4015                let stripped = resolved.strip_prefix(root_entry_path).unwrap_or(&resolved);
4016                worktree.entry_for_path(stripped).map(|entry| {
4017                    let project_path = ProjectPath {
4018                        worktree_id: worktree.id(),
4019                        path: entry.path.clone(),
4020                    };
4021                    ResolvedPath::ProjectPath {
4022                        project_path,
4023                        is_dir: entry.is_dir(),
4024                    }
4025                })
4026            })
4027            .ok()?
4028    }
4029
4030    pub fn list_directory(
4031        &self,
4032        query: String,
4033        cx: &mut Context<Self>,
4034    ) -> Task<Result<Vec<DirectoryItem>>> {
4035        if self.is_local() {
4036            DirectoryLister::Local(self.fs.clone()).list_directory(query, cx)
4037        } else if let Some(session) = self.ssh_client.as_ref() {
4038            let path_buf = PathBuf::from(query);
4039            let request = proto::ListRemoteDirectory {
4040                dev_server_id: SSH_PROJECT_ID,
4041                path: path_buf.to_proto(),
4042                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4043            };
4044
4045            let response = session.read(cx).proto_client().request(request);
4046            cx.background_spawn(async move {
4047                let proto::ListRemoteDirectoryResponse {
4048                    entries,
4049                    entry_info,
4050                } = response.await?;
4051                Ok(entries
4052                    .into_iter()
4053                    .zip(entry_info)
4054                    .map(|(entry, info)| DirectoryItem {
4055                        path: PathBuf::from(entry),
4056                        is_dir: info.is_dir,
4057                    })
4058                    .collect())
4059            })
4060        } else {
4061            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4062        }
4063    }
4064
4065    pub fn create_worktree(
4066        &mut self,
4067        abs_path: impl AsRef<Path>,
4068        visible: bool,
4069        cx: &mut Context<Self>,
4070    ) -> Task<Result<Entity<Worktree>>> {
4071        self.worktree_store.update(cx, |worktree_store, cx| {
4072            worktree_store.create_worktree(abs_path, visible, cx)
4073        })
4074    }
4075
4076    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4077        self.worktree_store.update(cx, |worktree_store, cx| {
4078            worktree_store.remove_worktree(id_to_remove, cx);
4079        });
4080    }
4081
4082    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4083        self.worktree_store.update(cx, |worktree_store, cx| {
4084            worktree_store.add(worktree, cx);
4085        });
4086    }
4087
4088    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4089        let new_active_entry = entry.and_then(|project_path| {
4090            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4091            let entry = worktree.read(cx).entry_for_path(project_path.path)?;
4092            Some(entry.id)
4093        });
4094        if new_active_entry != self.active_entry {
4095            self.active_entry = new_active_entry;
4096            self.lsp_store.update(cx, |lsp_store, _| {
4097                lsp_store.set_active_entry(new_active_entry);
4098            });
4099            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4100        }
4101    }
4102
4103    pub fn language_servers_running_disk_based_diagnostics<'a>(
4104        &'a self,
4105        cx: &'a App,
4106    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4107        self.lsp_store
4108            .read(cx)
4109            .language_servers_running_disk_based_diagnostics()
4110    }
4111
4112    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4113        self.lsp_store
4114            .read(cx)
4115            .diagnostic_summary(include_ignored, cx)
4116    }
4117
4118    pub fn diagnostic_summaries<'a>(
4119        &'a self,
4120        include_ignored: bool,
4121        cx: &'a App,
4122    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4123        self.lsp_store
4124            .read(cx)
4125            .diagnostic_summaries(include_ignored, cx)
4126    }
4127
4128    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4129        self.active_entry
4130    }
4131
4132    pub fn entry_for_path(&self, path: &ProjectPath, cx: &App) -> Option<Entry> {
4133        self.worktree_store.read(cx).entry_for_path(path, cx)
4134    }
4135
4136    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4137        let worktree = self.worktree_for_entry(entry_id, cx)?;
4138        let worktree = worktree.read(cx);
4139        let worktree_id = worktree.id();
4140        let path = worktree.entry_for_id(entry_id)?.path.clone();
4141        Some(ProjectPath { worktree_id, path })
4142    }
4143
4144    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4145        self.worktree_for_id(project_path.worktree_id, cx)?
4146            .read(cx)
4147            .absolutize(&project_path.path)
4148            .ok()
4149    }
4150
4151    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4152    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4153    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4154    /// the first visible worktree that has an entry for that relative path.
4155    ///
4156    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4157    /// root name from paths.
4158    ///
4159    /// # Arguments
4160    ///
4161    /// * `path` - A full path that starts with a worktree root name, or alternatively a
4162    ///            relative path within a visible worktree.
4163    /// * `cx` - A reference to the `AppContext`.
4164    ///
4165    /// # Returns
4166    ///
4167    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4168    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4169        let path = path.as_ref();
4170        let worktree_store = self.worktree_store.read(cx);
4171
4172        if path.is_absolute() {
4173            for worktree in worktree_store.visible_worktrees(cx) {
4174                let worktree_abs_path = worktree.read(cx).abs_path();
4175
4176                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path) {
4177                    return Some(ProjectPath {
4178                        worktree_id: worktree.read(cx).id(),
4179                        path: relative_path.into(),
4180                    });
4181                }
4182            }
4183        } else {
4184            for worktree in worktree_store.visible_worktrees(cx) {
4185                let worktree_root_name = worktree.read(cx).root_name();
4186                if let Ok(relative_path) = path.strip_prefix(worktree_root_name) {
4187                    return Some(ProjectPath {
4188                        worktree_id: worktree.read(cx).id(),
4189                        path: relative_path.into(),
4190                    });
4191                }
4192            }
4193
4194            for worktree in worktree_store.visible_worktrees(cx) {
4195                let worktree = worktree.read(cx);
4196                if let Some(entry) = worktree.entry_for_path(path) {
4197                    return Some(ProjectPath {
4198                        worktree_id: worktree.id(),
4199                        path: entry.path.clone(),
4200                    });
4201                }
4202            }
4203        }
4204
4205        None
4206    }
4207
4208    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4209        self.find_worktree(abs_path, cx)
4210            .map(|(worktree, relative_path)| ProjectPath {
4211                worktree_id: worktree.read(cx).id(),
4212                path: relative_path.into(),
4213            })
4214    }
4215
4216    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4217        Some(
4218            self.worktree_for_id(project_path.worktree_id, cx)?
4219                .read(cx)
4220                .abs_path()
4221                .to_path_buf(),
4222        )
4223    }
4224
4225    pub fn blame_buffer(
4226        &self,
4227        buffer: &Entity<Buffer>,
4228        version: Option<clock::Global>,
4229        cx: &mut App,
4230    ) -> Task<Result<Option<Blame>>> {
4231        self.git_store.update(cx, |git_store, cx| {
4232            git_store.blame_buffer(buffer, version, cx)
4233        })
4234    }
4235
4236    pub fn get_permalink_to_line(
4237        &self,
4238        buffer: &Entity<Buffer>,
4239        selection: Range<u32>,
4240        cx: &mut App,
4241    ) -> Task<Result<url::Url>> {
4242        self.git_store.update(cx, |git_store, cx| {
4243            git_store.get_permalink_to_line(buffer, selection, cx)
4244        })
4245    }
4246
4247    // RPC message handlers
4248
4249    async fn handle_unshare_project(
4250        this: Entity<Self>,
4251        _: TypedEnvelope<proto::UnshareProject>,
4252        mut cx: AsyncApp,
4253    ) -> Result<()> {
4254        this.update(&mut cx, |this, cx| {
4255            if this.is_local() || this.is_via_ssh() {
4256                this.unshare(cx)?;
4257            } else {
4258                this.disconnected_from_host(cx);
4259            }
4260            Ok(())
4261        })?
4262    }
4263
4264    async fn handle_add_collaborator(
4265        this: Entity<Self>,
4266        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4267        mut cx: AsyncApp,
4268    ) -> Result<()> {
4269        let collaborator = envelope
4270            .payload
4271            .collaborator
4272            .take()
4273            .context("empty collaborator")?;
4274
4275        let collaborator = Collaborator::from_proto(collaborator)?;
4276        this.update(&mut cx, |this, cx| {
4277            this.buffer_store.update(cx, |buffer_store, _| {
4278                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4279            });
4280            this.breakpoint_store.read(cx).broadcast();
4281            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4282            this.collaborators
4283                .insert(collaborator.peer_id, collaborator);
4284        })?;
4285
4286        Ok(())
4287    }
4288
4289    async fn handle_update_project_collaborator(
4290        this: Entity<Self>,
4291        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4292        mut cx: AsyncApp,
4293    ) -> Result<()> {
4294        let old_peer_id = envelope
4295            .payload
4296            .old_peer_id
4297            .context("missing old peer id")?;
4298        let new_peer_id = envelope
4299            .payload
4300            .new_peer_id
4301            .context("missing new peer id")?;
4302        this.update(&mut cx, |this, cx| {
4303            let collaborator = this
4304                .collaborators
4305                .remove(&old_peer_id)
4306                .context("received UpdateProjectCollaborator for unknown peer")?;
4307            let is_host = collaborator.is_host;
4308            this.collaborators.insert(new_peer_id, collaborator);
4309
4310            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4311            this.buffer_store.update(cx, |buffer_store, _| {
4312                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4313            });
4314
4315            if is_host {
4316                this.buffer_store
4317                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4318                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4319                    .unwrap();
4320                cx.emit(Event::HostReshared);
4321            }
4322
4323            cx.emit(Event::CollaboratorUpdated {
4324                old_peer_id,
4325                new_peer_id,
4326            });
4327            Ok(())
4328        })?
4329    }
4330
4331    async fn handle_remove_collaborator(
4332        this: Entity<Self>,
4333        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4334        mut cx: AsyncApp,
4335    ) -> Result<()> {
4336        this.update(&mut cx, |this, cx| {
4337            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4338            let replica_id = this
4339                .collaborators
4340                .remove(&peer_id)
4341                .with_context(|| format!("unknown peer {peer_id:?}"))?
4342                .replica_id;
4343            this.buffer_store.update(cx, |buffer_store, cx| {
4344                buffer_store.forget_shared_buffers_for(&peer_id);
4345                for buffer in buffer_store.buffers() {
4346                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4347                }
4348            });
4349            this.git_store.update(cx, |git_store, _| {
4350                git_store.forget_shared_diffs_for(&peer_id);
4351            });
4352
4353            cx.emit(Event::CollaboratorLeft(peer_id));
4354            Ok(())
4355        })?
4356    }
4357
4358    async fn handle_update_project(
4359        this: Entity<Self>,
4360        envelope: TypedEnvelope<proto::UpdateProject>,
4361        mut cx: AsyncApp,
4362    ) -> Result<()> {
4363        this.update(&mut cx, |this, cx| {
4364            // Don't handle messages that were sent before the response to us joining the project
4365            if envelope.message_id > this.join_project_response_message_id {
4366                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4367            }
4368            Ok(())
4369        })?
4370    }
4371
4372    async fn handle_toast(
4373        this: Entity<Self>,
4374        envelope: TypedEnvelope<proto::Toast>,
4375        mut cx: AsyncApp,
4376    ) -> Result<()> {
4377        this.update(&mut cx, |_, cx| {
4378            cx.emit(Event::Toast {
4379                notification_id: envelope.payload.notification_id.into(),
4380                message: envelope.payload.message,
4381            });
4382            Ok(())
4383        })?
4384    }
4385
4386    async fn handle_language_server_prompt_request(
4387        this: Entity<Self>,
4388        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4389        mut cx: AsyncApp,
4390    ) -> Result<proto::LanguageServerPromptResponse> {
4391        let (tx, rx) = smol::channel::bounded(1);
4392        let actions: Vec<_> = envelope
4393            .payload
4394            .actions
4395            .into_iter()
4396            .map(|action| MessageActionItem {
4397                title: action,
4398                properties: Default::default(),
4399            })
4400            .collect();
4401        this.update(&mut cx, |_, cx| {
4402            cx.emit(Event::LanguageServerPrompt(LanguageServerPromptRequest {
4403                level: proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4404                message: envelope.payload.message,
4405                actions: actions.clone(),
4406                lsp_name: envelope.payload.lsp_name,
4407                response_channel: tx,
4408            }));
4409
4410            anyhow::Ok(())
4411        })??;
4412
4413        // We drop `this` to avoid holding a reference in this future for too
4414        // long.
4415        // If we keep the reference, we might not drop the `Project` early
4416        // enough when closing a window and it will only get releases on the
4417        // next `flush_effects()` call.
4418        drop(this);
4419
4420        let mut rx = pin!(rx);
4421        let answer = rx.next().await;
4422
4423        Ok(LanguageServerPromptResponse {
4424            action_response: answer.and_then(|answer| {
4425                actions
4426                    .iter()
4427                    .position(|action| *action == answer)
4428                    .map(|index| index as u64)
4429            }),
4430        })
4431    }
4432
4433    async fn handle_hide_toast(
4434        this: Entity<Self>,
4435        envelope: TypedEnvelope<proto::HideToast>,
4436        mut cx: AsyncApp,
4437    ) -> Result<()> {
4438        this.update(&mut cx, |_, cx| {
4439            cx.emit(Event::HideToast {
4440                notification_id: envelope.payload.notification_id.into(),
4441            });
4442            Ok(())
4443        })?
4444    }
4445
4446    // Collab sends UpdateWorktree protos as messages
4447    async fn handle_update_worktree(
4448        this: Entity<Self>,
4449        envelope: TypedEnvelope<proto::UpdateWorktree>,
4450        mut cx: AsyncApp,
4451    ) -> Result<()> {
4452        this.update(&mut cx, |this, cx| {
4453            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4454            if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
4455                worktree.update(cx, |worktree, _| {
4456                    let worktree = worktree.as_remote_mut().unwrap();
4457                    worktree.update_from_remote(envelope.payload);
4458                });
4459            }
4460            Ok(())
4461        })?
4462    }
4463
4464    async fn handle_update_buffer_from_ssh(
4465        this: Entity<Self>,
4466        envelope: TypedEnvelope<proto::UpdateBuffer>,
4467        cx: AsyncApp,
4468    ) -> Result<proto::Ack> {
4469        let buffer_store = this.read_with(&cx, |this, cx| {
4470            if let Some(remote_id) = this.remote_id() {
4471                let mut payload = envelope.payload.clone();
4472                payload.project_id = remote_id;
4473                cx.background_spawn(this.client.request(payload))
4474                    .detach_and_log_err(cx);
4475            }
4476            this.buffer_store.clone()
4477        })?;
4478        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4479    }
4480
4481    async fn handle_update_buffer(
4482        this: Entity<Self>,
4483        envelope: TypedEnvelope<proto::UpdateBuffer>,
4484        cx: AsyncApp,
4485    ) -> Result<proto::Ack> {
4486        let buffer_store = this.read_with(&cx, |this, cx| {
4487            if let Some(ssh) = &this.ssh_client {
4488                let mut payload = envelope.payload.clone();
4489                payload.project_id = SSH_PROJECT_ID;
4490                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
4491                    .detach_and_log_err(cx);
4492            }
4493            this.buffer_store.clone()
4494        })?;
4495        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4496    }
4497
4498    fn retain_remotely_created_models(
4499        &mut self,
4500        cx: &mut Context<Self>,
4501    ) -> RemotelyCreatedModelGuard {
4502        {
4503            let mut remotely_create_models = self.remotely_created_models.lock();
4504            if remotely_create_models.retain_count == 0 {
4505                remotely_create_models.buffers = self.buffer_store.read(cx).buffers().collect();
4506                remotely_create_models.worktrees =
4507                    self.worktree_store.read(cx).worktrees().collect();
4508            }
4509            remotely_create_models.retain_count += 1;
4510        }
4511        RemotelyCreatedModelGuard {
4512            remote_models: Arc::downgrade(&self.remotely_created_models),
4513        }
4514    }
4515
4516    async fn handle_create_buffer_for_peer(
4517        this: Entity<Self>,
4518        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
4519        mut cx: AsyncApp,
4520    ) -> Result<()> {
4521        this.update(&mut cx, |this, cx| {
4522            this.buffer_store.update(cx, |buffer_store, cx| {
4523                buffer_store.handle_create_buffer_for_peer(
4524                    envelope,
4525                    this.replica_id(),
4526                    this.capability(),
4527                    cx,
4528                )
4529            })
4530        })?
4531    }
4532
4533    async fn handle_synchronize_buffers(
4534        this: Entity<Self>,
4535        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
4536        mut cx: AsyncApp,
4537    ) -> Result<proto::SynchronizeBuffersResponse> {
4538        let response = this.update(&mut cx, |this, cx| {
4539            let client = this.client.clone();
4540            this.buffer_store.update(cx, |this, cx| {
4541                this.handle_synchronize_buffers(envelope, cx, client)
4542            })
4543        })??;
4544
4545        Ok(response)
4546    }
4547
4548    async fn handle_search_candidate_buffers(
4549        this: Entity<Self>,
4550        envelope: TypedEnvelope<proto::FindSearchCandidates>,
4551        mut cx: AsyncApp,
4552    ) -> Result<proto::FindSearchCandidatesResponse> {
4553        let peer_id = envelope.original_sender_id()?;
4554        let message = envelope.payload;
4555        let query = SearchQuery::from_proto(message.query.context("missing query field")?)?;
4556        let results = this.update(&mut cx, |this, cx| {
4557            this.find_search_candidate_buffers(&query, message.limit as _, cx)
4558        })?;
4559
4560        let mut response = proto::FindSearchCandidatesResponse {
4561            buffer_ids: Vec::new(),
4562        };
4563
4564        while let Ok(buffer) = results.recv().await {
4565            this.update(&mut cx, |this, cx| {
4566                let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
4567                response.buffer_ids.push(buffer_id.to_proto());
4568            })?;
4569        }
4570
4571        Ok(response)
4572    }
4573
4574    async fn handle_open_buffer_by_id(
4575        this: Entity<Self>,
4576        envelope: TypedEnvelope<proto::OpenBufferById>,
4577        mut cx: AsyncApp,
4578    ) -> Result<proto::OpenBufferResponse> {
4579        let peer_id = envelope.original_sender_id()?;
4580        let buffer_id = BufferId::new(envelope.payload.id)?;
4581        let buffer = this
4582            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))?
4583            .await?;
4584        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4585    }
4586
4587    async fn handle_open_buffer_by_path(
4588        this: Entity<Self>,
4589        envelope: TypedEnvelope<proto::OpenBufferByPath>,
4590        mut cx: AsyncApp,
4591    ) -> Result<proto::OpenBufferResponse> {
4592        let peer_id = envelope.original_sender_id()?;
4593        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4594        let open_buffer = this.update(&mut cx, |this, cx| {
4595            this.open_buffer(
4596                ProjectPath {
4597                    worktree_id,
4598                    path: Arc::<Path>::from_proto(envelope.payload.path),
4599                },
4600                cx,
4601            )
4602        })?;
4603
4604        let buffer = open_buffer.await?;
4605        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4606    }
4607
4608    async fn handle_open_new_buffer(
4609        this: Entity<Self>,
4610        envelope: TypedEnvelope<proto::OpenNewBuffer>,
4611        mut cx: AsyncApp,
4612    ) -> Result<proto::OpenBufferResponse> {
4613        let buffer = this
4614            .update(&mut cx, |this, cx| this.create_buffer(cx))?
4615            .await?;
4616        let peer_id = envelope.original_sender_id()?;
4617
4618        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4619    }
4620
4621    fn respond_to_open_buffer_request(
4622        this: Entity<Self>,
4623        buffer: Entity<Buffer>,
4624        peer_id: proto::PeerId,
4625        cx: &mut AsyncApp,
4626    ) -> Result<proto::OpenBufferResponse> {
4627        this.update(cx, |this, cx| {
4628            let is_private = buffer
4629                .read(cx)
4630                .file()
4631                .map(|f| f.is_private())
4632                .unwrap_or_default();
4633            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
4634            Ok(proto::OpenBufferResponse {
4635                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
4636            })
4637        })?
4638    }
4639
4640    fn create_buffer_for_peer(
4641        &mut self,
4642        buffer: &Entity<Buffer>,
4643        peer_id: proto::PeerId,
4644        cx: &mut App,
4645    ) -> BufferId {
4646        self.buffer_store
4647            .update(cx, |buffer_store, cx| {
4648                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
4649            })
4650            .detach_and_log_err(cx);
4651        buffer.read(cx).remote_id()
4652    }
4653
4654    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
4655        let project_id = match self.client_state {
4656            ProjectClientState::Remote {
4657                sharing_has_stopped,
4658                remote_id,
4659                ..
4660            } => {
4661                if sharing_has_stopped {
4662                    return Task::ready(Err(anyhow!(
4663                        "can't synchronize remote buffers on a readonly project"
4664                    )));
4665                } else {
4666                    remote_id
4667                }
4668            }
4669            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
4670                return Task::ready(Err(anyhow!(
4671                    "can't synchronize remote buffers on a local project"
4672                )));
4673            }
4674        };
4675
4676        let client = self.client.clone();
4677        cx.spawn(async move |this, cx| {
4678            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
4679                this.buffer_store.read(cx).buffer_version_info(cx)
4680            })?;
4681            let response = client
4682                .request(proto::SynchronizeBuffers {
4683                    project_id,
4684                    buffers,
4685                })
4686                .await?;
4687
4688            let send_updates_for_buffers = this.update(cx, |this, cx| {
4689                response
4690                    .buffers
4691                    .into_iter()
4692                    .map(|buffer| {
4693                        let client = client.clone();
4694                        let buffer_id = match BufferId::new(buffer.id) {
4695                            Ok(id) => id,
4696                            Err(e) => {
4697                                return Task::ready(Err(e));
4698                            }
4699                        };
4700                        let remote_version = language::proto::deserialize_version(&buffer.version);
4701                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
4702                            let operations =
4703                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
4704                            cx.background_spawn(async move {
4705                                let operations = operations.await;
4706                                for chunk in split_operations(operations) {
4707                                    client
4708                                        .request(proto::UpdateBuffer {
4709                                            project_id,
4710                                            buffer_id: buffer_id.into(),
4711                                            operations: chunk,
4712                                        })
4713                                        .await?;
4714                                }
4715                                anyhow::Ok(())
4716                            })
4717                        } else {
4718                            Task::ready(Ok(()))
4719                        }
4720                    })
4721                    .collect::<Vec<_>>()
4722            })?;
4723
4724            // Any incomplete buffers have open requests waiting. Request that the host sends
4725            // creates these buffers for us again to unblock any waiting futures.
4726            for id in incomplete_buffer_ids {
4727                cx.background_spawn(client.request(proto::OpenBufferById {
4728                    project_id,
4729                    id: id.into(),
4730                }))
4731                .detach();
4732            }
4733
4734            futures::future::join_all(send_updates_for_buffers)
4735                .await
4736                .into_iter()
4737                .collect()
4738        })
4739    }
4740
4741    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
4742        self.worktree_store.read(cx).worktree_metadata_protos(cx)
4743    }
4744
4745    /// Iterator of all open buffers that have unsaved changes
4746    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
4747        self.buffer_store.read(cx).buffers().filter_map(|buf| {
4748            let buf = buf.read(cx);
4749            if buf.is_dirty() {
4750                buf.project_path(cx)
4751            } else {
4752                None
4753            }
4754        })
4755    }
4756
4757    fn set_worktrees_from_proto(
4758        &mut self,
4759        worktrees: Vec<proto::WorktreeMetadata>,
4760        cx: &mut Context<Project>,
4761    ) -> Result<()> {
4762        self.worktree_store.update(cx, |worktree_store, cx| {
4763            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
4764        })
4765    }
4766
4767    fn set_collaborators_from_proto(
4768        &mut self,
4769        messages: Vec<proto::Collaborator>,
4770        cx: &mut Context<Self>,
4771    ) -> Result<()> {
4772        let mut collaborators = HashMap::default();
4773        for message in messages {
4774            let collaborator = Collaborator::from_proto(message)?;
4775            collaborators.insert(collaborator.peer_id, collaborator);
4776        }
4777        for old_peer_id in self.collaborators.keys() {
4778            if !collaborators.contains_key(old_peer_id) {
4779                cx.emit(Event::CollaboratorLeft(*old_peer_id));
4780            }
4781        }
4782        self.collaborators = collaborators;
4783        Ok(())
4784    }
4785
4786    pub fn supplementary_language_servers<'a>(
4787        &'a self,
4788        cx: &'a App,
4789    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
4790        self.lsp_store.read(cx).supplementary_language_servers()
4791    }
4792
4793    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
4794        self.lsp_store.update(cx, |this, cx| {
4795            this.language_servers_for_local_buffer(buffer, cx)
4796                .any(
4797                    |(_, server)| match server.capabilities().inlay_hint_provider {
4798                        Some(lsp::OneOf::Left(enabled)) => enabled,
4799                        Some(lsp::OneOf::Right(_)) => true,
4800                        None => false,
4801                    },
4802                )
4803        })
4804    }
4805
4806    pub fn language_server_id_for_name(
4807        &self,
4808        buffer: &Buffer,
4809        name: &str,
4810        cx: &mut App,
4811    ) -> Task<Option<LanguageServerId>> {
4812        if self.is_local() {
4813            Task::ready(self.lsp_store.update(cx, |lsp_store, cx| {
4814                lsp_store
4815                    .language_servers_for_local_buffer(buffer, cx)
4816                    .find_map(|(adapter, server)| {
4817                        if adapter.name.0 == name {
4818                            Some(server.server_id())
4819                        } else {
4820                            None
4821                        }
4822                    })
4823            }))
4824        } else if let Some(project_id) = self.remote_id() {
4825            let request = self.client.request(proto::LanguageServerIdForName {
4826                project_id,
4827                buffer_id: buffer.remote_id().to_proto(),
4828                name: name.to_string(),
4829            });
4830            cx.background_spawn(async move {
4831                let response = request.await.log_err()?;
4832                response.server_id.map(LanguageServerId::from_proto)
4833            })
4834        } else if let Some(ssh_client) = self.ssh_client.as_ref() {
4835            let request =
4836                ssh_client
4837                    .read(cx)
4838                    .proto_client()
4839                    .request(proto::LanguageServerIdForName {
4840                        project_id: SSH_PROJECT_ID,
4841                        buffer_id: buffer.remote_id().to_proto(),
4842                        name: name.to_string(),
4843                    });
4844            cx.background_spawn(async move {
4845                let response = request.await.log_err()?;
4846                response.server_id.map(LanguageServerId::from_proto)
4847            })
4848        } else {
4849            Task::ready(None)
4850        }
4851    }
4852
4853    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
4854        self.lsp_store.update(cx, |this, cx| {
4855            this.language_servers_for_local_buffer(buffer, cx)
4856                .next()
4857                .is_some()
4858        })
4859    }
4860
4861    pub fn git_init(
4862        &self,
4863        path: Arc<Path>,
4864        fallback_branch_name: String,
4865        cx: &App,
4866    ) -> Task<Result<()>> {
4867        self.git_store
4868            .read(cx)
4869            .git_init(path, fallback_branch_name, cx)
4870    }
4871
4872    pub fn buffer_store(&self) -> &Entity<BufferStore> {
4873        &self.buffer_store
4874    }
4875
4876    pub fn git_store(&self) -> &Entity<GitStore> {
4877        &self.git_store
4878    }
4879
4880    #[cfg(test)]
4881    fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
4882        cx.spawn(async move |this, cx| {
4883            let scans_complete = this
4884                .read_with(cx, |this, cx| {
4885                    this.worktrees(cx)
4886                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
4887                        .collect::<Vec<_>>()
4888                })
4889                .unwrap();
4890            join_all(scans_complete).await;
4891            let barriers = this
4892                .update(cx, |this, cx| {
4893                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
4894                    repos
4895                        .into_iter()
4896                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
4897                        .collect::<Vec<_>>()
4898                })
4899                .unwrap();
4900            join_all(barriers).await;
4901        })
4902    }
4903
4904    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
4905        self.git_store.read(cx).active_repository()
4906    }
4907
4908    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
4909        self.git_store.read(cx).repositories()
4910    }
4911
4912    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
4913        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
4914    }
4915
4916    pub fn set_agent_location(
4917        &mut self,
4918        new_location: Option<AgentLocation>,
4919        cx: &mut Context<Self>,
4920    ) {
4921        if let Some(old_location) = self.agent_location.as_ref() {
4922            old_location
4923                .buffer
4924                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
4925                .ok();
4926        }
4927
4928        if let Some(location) = new_location.as_ref() {
4929            location
4930                .buffer
4931                .update(cx, |buffer, cx| {
4932                    buffer.set_agent_selections(
4933                        Arc::from([language::Selection {
4934                            id: 0,
4935                            start: location.position,
4936                            end: location.position,
4937                            reversed: false,
4938                            goal: language::SelectionGoal::None,
4939                        }]),
4940                        false,
4941                        CursorShape::Hollow,
4942                        cx,
4943                    )
4944                })
4945                .ok();
4946        }
4947
4948        self.agent_location = new_location;
4949        cx.emit(Event::AgentLocationChanged);
4950    }
4951
4952    pub fn agent_location(&self) -> Option<AgentLocation> {
4953        self.agent_location.clone()
4954    }
4955}
4956
4957pub struct PathMatchCandidateSet {
4958    pub snapshot: Snapshot,
4959    pub include_ignored: bool,
4960    pub include_root_name: bool,
4961    pub candidates: Candidates,
4962}
4963
4964pub enum Candidates {
4965    /// Only consider directories.
4966    Directories,
4967    /// Only consider files.
4968    Files,
4969    /// Consider directories and files.
4970    Entries,
4971}
4972
4973impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
4974    type Candidates = PathMatchCandidateSetIter<'a>;
4975
4976    fn id(&self) -> usize {
4977        self.snapshot.id().to_usize()
4978    }
4979
4980    fn len(&self) -> usize {
4981        match self.candidates {
4982            Candidates::Files => {
4983                if self.include_ignored {
4984                    self.snapshot.file_count()
4985                } else {
4986                    self.snapshot.visible_file_count()
4987                }
4988            }
4989
4990            Candidates::Directories => {
4991                if self.include_ignored {
4992                    self.snapshot.dir_count()
4993                } else {
4994                    self.snapshot.visible_dir_count()
4995                }
4996            }
4997
4998            Candidates::Entries => {
4999                if self.include_ignored {
5000                    self.snapshot.entry_count()
5001                } else {
5002                    self.snapshot.visible_entry_count()
5003                }
5004            }
5005        }
5006    }
5007
5008    fn prefix(&self) -> Arc<str> {
5009        if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
5010            self.snapshot.root_name().into()
5011        } else if self.include_root_name {
5012            format!("{}{}", self.snapshot.root_name(), std::path::MAIN_SEPARATOR).into()
5013        } else {
5014            Arc::default()
5015        }
5016    }
5017
5018    fn candidates(&'a self, start: usize) -> Self::Candidates {
5019        PathMatchCandidateSetIter {
5020            traversal: match self.candidates {
5021                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5022                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5023                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5024            },
5025        }
5026    }
5027}
5028
5029pub struct PathMatchCandidateSetIter<'a> {
5030    traversal: Traversal<'a>,
5031}
5032
5033impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5034    type Item = fuzzy::PathMatchCandidate<'a>;
5035
5036    fn next(&mut self) -> Option<Self::Item> {
5037        self.traversal
5038            .next()
5039            .map(|entry| fuzzy::PathMatchCandidate {
5040                is_dir: entry.kind.is_dir(),
5041                path: &entry.path,
5042                char_bag: entry.char_bag,
5043            })
5044    }
5045}
5046
5047impl EventEmitter<Event> for Project {}
5048
5049impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5050    fn from(val: &'a ProjectPath) -> Self {
5051        SettingsLocation {
5052            worktree_id: val.worktree_id,
5053            path: val.path.as_ref(),
5054        }
5055    }
5056}
5057
5058impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
5059    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5060        Self {
5061            worktree_id,
5062            path: path.as_ref().into(),
5063        }
5064    }
5065}
5066
5067pub fn relativize_path(base: &Path, path: &Path) -> PathBuf {
5068    let mut path_components = path.components();
5069    let mut base_components = base.components();
5070    let mut components: Vec<Component> = Vec::new();
5071    loop {
5072        match (path_components.next(), base_components.next()) {
5073            (None, None) => break,
5074            (Some(a), None) => {
5075                components.push(a);
5076                components.extend(path_components.by_ref());
5077                break;
5078            }
5079            (None, _) => components.push(Component::ParentDir),
5080            (Some(a), Some(b)) if components.is_empty() && a == b => (),
5081            (Some(a), Some(Component::CurDir)) => components.push(a),
5082            (Some(a), Some(_)) => {
5083                components.push(Component::ParentDir);
5084                for _ in base_components {
5085                    components.push(Component::ParentDir);
5086                }
5087                components.push(a);
5088                components.extend(path_components.by_ref());
5089                break;
5090            }
5091        }
5092    }
5093    components.iter().map(|c| c.as_os_str()).collect()
5094}
5095
5096fn resolve_path(base: &Path, path: &Path) -> PathBuf {
5097    let mut result = base.to_path_buf();
5098    for component in path.components() {
5099        match component {
5100            Component::ParentDir => {
5101                result.pop();
5102            }
5103            Component::CurDir => (),
5104            _ => result.push(component),
5105        }
5106    }
5107    result
5108}
5109
5110/// ResolvedPath is a path that has been resolved to either a ProjectPath
5111/// or an AbsPath and that *exists*.
5112#[derive(Debug, Clone)]
5113pub enum ResolvedPath {
5114    ProjectPath {
5115        project_path: ProjectPath,
5116        is_dir: bool,
5117    },
5118    AbsPath {
5119        path: PathBuf,
5120        is_dir: bool,
5121    },
5122}
5123
5124impl ResolvedPath {
5125    pub fn abs_path(&self) -> Option<&Path> {
5126        match self {
5127            Self::AbsPath { path, .. } => Some(path.as_path()),
5128            _ => None,
5129        }
5130    }
5131
5132    pub fn into_abs_path(self) -> Option<PathBuf> {
5133        match self {
5134            Self::AbsPath { path, .. } => Some(path),
5135            _ => None,
5136        }
5137    }
5138
5139    pub fn project_path(&self) -> Option<&ProjectPath> {
5140        match self {
5141            Self::ProjectPath { project_path, .. } => Some(&project_path),
5142            _ => None,
5143        }
5144    }
5145
5146    pub fn is_file(&self) -> bool {
5147        !self.is_dir()
5148    }
5149
5150    pub fn is_dir(&self) -> bool {
5151        match self {
5152            Self::ProjectPath { is_dir, .. } => *is_dir,
5153            Self::AbsPath { is_dir, .. } => *is_dir,
5154        }
5155    }
5156}
5157
5158impl ProjectItem for Buffer {
5159    fn try_open(
5160        project: &Entity<Project>,
5161        path: &ProjectPath,
5162        cx: &mut App,
5163    ) -> Option<Task<Result<Entity<Self>>>> {
5164        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5165    }
5166
5167    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId> {
5168        File::from_dyn(self.file()).and_then(|file| file.project_entry_id(cx))
5169    }
5170
5171    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5172        self.file().map(|file| ProjectPath {
5173            worktree_id: file.worktree_id(cx),
5174            path: file.path().clone(),
5175        })
5176    }
5177
5178    fn is_dirty(&self) -> bool {
5179        self.is_dirty()
5180    }
5181}
5182
5183impl Completion {
5184    pub fn kind(&self) -> Option<CompletionItemKind> {
5185        self.source
5186            // `lsp::CompletionListItemDefaults` has no `kind` field
5187            .lsp_completion(false)
5188            .and_then(|lsp_completion| lsp_completion.kind)
5189    }
5190
5191    pub fn label(&self) -> Option<String> {
5192        self.source
5193            .lsp_completion(false)
5194            .map(|lsp_completion| lsp_completion.label.clone())
5195    }
5196
5197    /// A key that can be used to sort completions when displaying
5198    /// them to the user.
5199    pub fn sort_key(&self) -> (usize, &str) {
5200        const DEFAULT_KIND_KEY: usize = 3;
5201        let kind_key = self
5202            .kind()
5203            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5204                lsp::CompletionItemKind::KEYWORD => Some(0),
5205                lsp::CompletionItemKind::VARIABLE => Some(1),
5206                lsp::CompletionItemKind::CONSTANT => Some(2),
5207                _ => None,
5208            })
5209            .unwrap_or(DEFAULT_KIND_KEY);
5210        (kind_key, &self.label.text[self.label.filter_range.clone()])
5211    }
5212
5213    /// Whether this completion is a snippet.
5214    pub fn is_snippet(&self) -> bool {
5215        self.source
5216            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5217            .lsp_completion(true)
5218            .map_or(false, |lsp_completion| {
5219                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5220            })
5221    }
5222
5223    /// Returns the corresponding color for this completion.
5224    ///
5225    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5226    pub fn color(&self) -> Option<Hsla> {
5227        // `lsp::CompletionListItemDefaults` has no `kind` field
5228        let lsp_completion = self.source.lsp_completion(false)?;
5229        if lsp_completion.kind? == CompletionItemKind::COLOR {
5230            return color_extractor::extract_color(&lsp_completion);
5231        }
5232        None
5233    }
5234}
5235
5236pub fn sort_worktree_entries(entries: &mut [impl AsRef<Entry>]) {
5237    entries.sort_by(|entry_a, entry_b| {
5238        let entry_a = entry_a.as_ref();
5239        let entry_b = entry_b.as_ref();
5240        compare_paths(
5241            (&entry_a.path, entry_a.is_file()),
5242            (&entry_b.path, entry_b.is_file()),
5243        )
5244    });
5245}
5246
5247fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5248    match level {
5249        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5250        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5251        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5252    }
5253}