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::repository::get_git_committer;
  30use git_store::{Repository, RepositoryId};
  31pub mod search_history;
  32mod yarn;
  33
  34use dap::inline_value::{InlineValueLocation, VariableLookupKind, VariableScope};
  35
  36use crate::git_store::GitStore;
  37pub use git_store::{
  38    ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate,
  39    git_traversal::{ChildEntriesGitIter, GitEntry, GitEntryRef, GitTraversal},
  40};
  41pub use manifest_tree::ManifestTree;
  42
  43use anyhow::{Context as _, Result, anyhow};
  44use buffer_store::{BufferStore, BufferStoreEvent};
  45use client::{
  46    Client, Collaborator, PendingEntitySubscription, ProjectId, TypedEnvelope, UserStore, proto,
  47};
  48use clock::ReplicaId;
  49
  50use dap::client::DebugAdapterClient;
  51
  52use collections::{BTreeSet, HashMap, HashSet};
  53use debounced_delay::DebouncedDelay;
  54pub use debugger::breakpoint_store::BreakpointWithPosition;
  55use debugger::{
  56    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  57    dap_store::{DapStore, DapStoreEvent},
  58    session::Session,
  59};
  60pub use environment::ProjectEnvironment;
  61#[cfg(test)]
  62use futures::future::join_all;
  63use futures::{
  64    StreamExt,
  65    channel::mpsc::{self, UnboundedReceiver},
  66    future::{Shared, try_join_all},
  67};
  68pub use image_store::{ImageItem, ImageStore};
  69use image_store::{ImageItemEvent, ImageStoreEvent};
  70
  71use ::git::{blame::Blame, status::FileStatus};
  72use gpui::{
  73    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  74    Task, WeakEntity, Window,
  75};
  76use language::{
  77    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, DiagnosticSourceKind, Language,
  78    LanguageName, LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainList,
  79    Transaction, Unclipped, language_settings::InlayHintKind, proto::split_operations,
  80};
  81use lsp::{
  82    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  83    LanguageServerId, LanguageServerName, LanguageServerSelector, MessageActionItem,
  84};
  85use lsp_command::*;
  86use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
  87pub use manifest_tree::ManifestProviders;
  88use node_runtime::NodeRuntime;
  89use parking_lot::Mutex;
  90pub use prettier_store::PrettierStore;
  91use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
  92use remote::{SshConnectionOptions, SshRemoteClient};
  93use rpc::{
  94    AnyProtoClient, ErrorCode,
  95    proto::{FromProto, LanguageServerPromptResponse, SSH_PROJECT_ID, ToProto},
  96};
  97use search::{SearchInputKind, SearchQuery, SearchResult};
  98use search_history::SearchHistory;
  99use settings::{InvalidSettingsError, Settings, SettingsLocation, SettingsSources, SettingsStore};
 100use smol::channel::Receiver;
 101use snippet::Snippet;
 102use snippet_provider::SnippetProvider;
 103use std::{
 104    borrow::Cow,
 105    ops::Range,
 106    path::{Component, Path, PathBuf},
 107    pin::pin,
 108    str,
 109    sync::Arc,
 110    time::Duration,
 111};
 112
 113use task_store::TaskStore;
 114use terminals::Terminals;
 115use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 116use toolchain_store::EmptyToolchainStore;
 117use util::{
 118    ResultExt as _,
 119    paths::{PathStyle, RemotePathBuf, SanitizedPath, compare_paths},
 120};
 121use worktree::{CreatedEntry, Snapshot, Traversal};
 122pub use worktree::{
 123    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 124    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 125};
 126use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 127
 128pub use fs::*;
 129pub use language::Location;
 130#[cfg(any(test, feature = "test-support"))]
 131pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 132pub use task_inventory::{
 133    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 134    TaskSourceKind,
 135};
 136
 137pub use buffer_store::ProjectTransaction;
 138pub use lsp_store::{
 139    DiagnosticSummary, LanguageServerLogType, LanguageServerProgress, LanguageServerPromptRequest,
 140    LanguageServerStatus, LanguageServerToQuery, LspStore, LspStoreEvent,
 141    SERVER_PROGRESS_THROTTLE_TIMEOUT,
 142};
 143pub use toolchain_store::ToolchainStore;
 144const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 145const MAX_SEARCH_RESULT_FILES: usize = 5_000;
 146const MAX_SEARCH_RESULT_RANGES: usize = 10_000;
 147
 148pub trait ProjectItem: 'static {
 149    fn try_open(
 150        project: &Entity<Project>,
 151        path: &ProjectPath,
 152        cx: &mut App,
 153    ) -> Option<Task<Result<Entity<Self>>>>
 154    where
 155        Self: Sized;
 156    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 157    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 158    fn is_dirty(&self) -> bool;
 159}
 160
 161#[derive(Clone)]
 162pub enum OpenedBufferEvent {
 163    Disconnected,
 164    Ok(BufferId),
 165    Err(BufferId, Arc<anyhow::Error>),
 166}
 167
 168/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 169/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 170/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 171///
 172/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 173pub struct Project {
 174    active_entry: Option<ProjectEntryId>,
 175    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 176    languages: Arc<LanguageRegistry>,
 177    dap_store: Entity<DapStore>,
 178
 179    breakpoint_store: Entity<BreakpointStore>,
 180    client: Arc<client::Client>,
 181    join_project_response_message_id: u32,
 182    task_store: Entity<TaskStore>,
 183    user_store: Entity<UserStore>,
 184    fs: Arc<dyn Fs>,
 185    ssh_client: Option<Entity<SshRemoteClient>>,
 186    client_state: ProjectClientState,
 187    git_store: Entity<GitStore>,
 188    collaborators: HashMap<proto::PeerId, Collaborator>,
 189    client_subscriptions: Vec<client::Subscription>,
 190    worktree_store: Entity<WorktreeStore>,
 191    buffer_store: Entity<BufferStore>,
 192    context_server_store: Entity<ContextServerStore>,
 193    image_store: Entity<ImageStore>,
 194    lsp_store: Entity<LspStore>,
 195    _subscriptions: Vec<gpui::Subscription>,
 196    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 197    git_diff_debouncer: DebouncedDelay<Self>,
 198    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 199    terminals: Terminals,
 200    node: Option<NodeRuntime>,
 201    search_history: SearchHistory,
 202    search_included_history: SearchHistory,
 203    search_excluded_history: SearchHistory,
 204    snippets: Entity<SnippetProvider>,
 205    environment: Entity<ProjectEnvironment>,
 206    settings_observer: Entity<SettingsObserver>,
 207    toolchain_store: Option<Entity<ToolchainStore>>,
 208    agent_location: Option<AgentLocation>,
 209}
 210
 211#[derive(Clone, Debug, PartialEq, Eq)]
 212pub struct AgentLocation {
 213    pub buffer: WeakEntity<Buffer>,
 214    pub position: Anchor,
 215}
 216
 217#[derive(Default)]
 218struct RemotelyCreatedModels {
 219    worktrees: Vec<Entity<Worktree>>,
 220    buffers: Vec<Entity<Buffer>>,
 221    retain_count: usize,
 222}
 223
 224struct RemotelyCreatedModelGuard {
 225    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 226}
 227
 228impl Drop for RemotelyCreatedModelGuard {
 229    fn drop(&mut self) {
 230        if let Some(remote_models) = self.remote_models.upgrade() {
 231            let mut remote_models = remote_models.lock();
 232            assert!(
 233                remote_models.retain_count > 0,
 234                "RemotelyCreatedModelGuard dropped too many times"
 235            );
 236            remote_models.retain_count -= 1;
 237            if remote_models.retain_count == 0 {
 238                remote_models.buffers.clear();
 239                remote_models.worktrees.clear();
 240            }
 241        }
 242    }
 243}
 244/// Message ordered with respect to buffer operations
 245#[derive(Debug)]
 246enum BufferOrderedMessage {
 247    Operation {
 248        buffer_id: BufferId,
 249        operation: proto::Operation,
 250    },
 251    LanguageServerUpdate {
 252        language_server_id: LanguageServerId,
 253        message: proto::update_language_server::Variant,
 254        name: Option<LanguageServerName>,
 255    },
 256    Resync,
 257}
 258
 259#[derive(Debug)]
 260enum ProjectClientState {
 261    /// Single-player mode.
 262    Local,
 263    /// Multi-player mode but still a local project.
 264    Shared { remote_id: u64 },
 265    /// Multi-player mode but working on a remote project.
 266    Remote {
 267        sharing_has_stopped: bool,
 268        capability: Capability,
 269        remote_id: u64,
 270        replica_id: ReplicaId,
 271    },
 272}
 273
 274#[derive(Clone, Debug, PartialEq)]
 275pub enum Event {
 276    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 277    LanguageServerRemoved(LanguageServerId),
 278    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 279    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 280    // Zed's buffer-related data is updated accordingly.
 281    LanguageServerBufferRegistered {
 282        server_id: LanguageServerId,
 283        buffer_id: BufferId,
 284        buffer_abs_path: PathBuf,
 285    },
 286    Toast {
 287        notification_id: SharedString,
 288        message: String,
 289    },
 290    HideToast {
 291        notification_id: SharedString,
 292    },
 293    LanguageServerPrompt(LanguageServerPromptRequest),
 294    LanguageNotFound(Entity<Buffer>),
 295    ActiveEntryChanged(Option<ProjectEntryId>),
 296    ActivateProjectPanel,
 297    WorktreeAdded(WorktreeId),
 298    WorktreeOrderChanged,
 299    WorktreeRemoved(WorktreeId),
 300    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 301    DiskBasedDiagnosticsStarted {
 302        language_server_id: LanguageServerId,
 303    },
 304    DiskBasedDiagnosticsFinished {
 305        language_server_id: LanguageServerId,
 306    },
 307    DiagnosticsUpdated {
 308        path: ProjectPath,
 309        language_server_id: LanguageServerId,
 310    },
 311    RemoteIdChanged(Option<u64>),
 312    DisconnectedFromHost,
 313    DisconnectedFromSshRemote,
 314    Closed,
 315    DeletedEntry(WorktreeId, ProjectEntryId),
 316    CollaboratorUpdated {
 317        old_peer_id: proto::PeerId,
 318        new_peer_id: proto::PeerId,
 319    },
 320    CollaboratorJoined(proto::PeerId),
 321    CollaboratorLeft(proto::PeerId),
 322    HostReshared,
 323    Reshared,
 324    Rejoined,
 325    RefreshInlayHints,
 326    RefreshCodeLens,
 327    RevealInProjectPanel(ProjectEntryId),
 328    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 329    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 330    AgentLocationChanged,
 331}
 332
 333pub struct AgentLocationChanged;
 334
 335pub enum DebugAdapterClientState {
 336    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 337    Running(Arc<DebugAdapterClient>),
 338}
 339
 340#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 341pub struct ProjectPath {
 342    pub worktree_id: WorktreeId,
 343    pub path: Arc<Path>,
 344}
 345
 346impl ProjectPath {
 347    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 348        ProjectPath {
 349            worktree_id: value.worktree_id(cx),
 350            path: value.path().clone(),
 351        }
 352    }
 353
 354    pub fn from_proto(p: proto::ProjectPath) -> Self {
 355        Self {
 356            worktree_id: WorktreeId::from_proto(p.worktree_id),
 357            path: Arc::<Path>::from_proto(p.path),
 358        }
 359    }
 360
 361    pub fn to_proto(&self) -> proto::ProjectPath {
 362        proto::ProjectPath {
 363            worktree_id: self.worktree_id.to_proto(),
 364            path: self.path.as_ref().to_proto(),
 365        }
 366    }
 367
 368    pub fn root_path(worktree_id: WorktreeId) -> Self {
 369        Self {
 370            worktree_id,
 371            path: Path::new("").into(),
 372        }
 373    }
 374
 375    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 376        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 377    }
 378}
 379
 380#[derive(Debug, Default)]
 381pub enum PrepareRenameResponse {
 382    Success(Range<Anchor>),
 383    OnlyUnpreparedRenameSupported,
 384    #[default]
 385    InvalidPosition,
 386}
 387
 388#[derive(Debug, Clone, PartialEq, Eq)]
 389pub struct InlayHint {
 390    pub position: language::Anchor,
 391    pub label: InlayHintLabel,
 392    pub kind: Option<InlayHintKind>,
 393    pub padding_left: bool,
 394    pub padding_right: bool,
 395    pub tooltip: Option<InlayHintTooltip>,
 396    pub resolve_state: ResolveState,
 397}
 398
 399/// The user's intent behind a given completion confirmation
 400#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 401pub enum CompletionIntent {
 402    /// The user intends to 'commit' this result, if possible
 403    /// completion confirmations should run side effects.
 404    ///
 405    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 406    Complete,
 407    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 408    CompleteWithInsert,
 409    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 410    CompleteWithReplace,
 411    /// The user intends to continue 'composing' this completion
 412    /// completion confirmations should not run side effects and
 413    /// let the user continue composing their action
 414    Compose,
 415}
 416
 417impl CompletionIntent {
 418    pub fn is_complete(&self) -> bool {
 419        self == &Self::Complete
 420    }
 421
 422    pub fn is_compose(&self) -> bool {
 423        self == &Self::Compose
 424    }
 425}
 426
 427/// Similar to `CoreCompletion`, but with extra metadata attached.
 428#[derive(Clone)]
 429pub struct Completion {
 430    /// The range of text that will be replaced by this completion.
 431    pub replace_range: Range<Anchor>,
 432    /// The new text that will be inserted.
 433    pub new_text: String,
 434    /// A label for this completion that is shown in the menu.
 435    pub label: CodeLabel,
 436    /// The documentation for this completion.
 437    pub documentation: Option<CompletionDocumentation>,
 438    /// Completion data source which it was constructed from.
 439    pub source: CompletionSource,
 440    /// A path to an icon for this completion that is shown in the menu.
 441    pub icon_path: Option<SharedString>,
 442    /// Whether to adjust indentation (the default) or not.
 443    pub insert_text_mode: Option<InsertTextMode>,
 444    /// An optional callback to invoke when this completion is confirmed.
 445    /// Returns, whether new completions should be retriggered after the current one.
 446    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 447    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 448    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 449}
 450
 451#[derive(Debug, Clone)]
 452pub enum CompletionSource {
 453    Lsp {
 454        /// The alternate `insert` range, if provided by the LSP server.
 455        insert_range: Option<Range<Anchor>>,
 456        /// The id of the language server that produced this completion.
 457        server_id: LanguageServerId,
 458        /// The raw completion provided by the language server.
 459        lsp_completion: Box<lsp::CompletionItem>,
 460        /// A set of defaults for this completion item.
 461        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 462        /// Whether this completion has been resolved, to ensure it happens once per completion.
 463        resolved: bool,
 464    },
 465    Dap {
 466        /// The sort text for this completion.
 467        sort_text: String,
 468    },
 469    Custom,
 470    BufferWord {
 471        word_range: Range<Anchor>,
 472        resolved: bool,
 473    },
 474}
 475
 476impl CompletionSource {
 477    pub fn server_id(&self) -> Option<LanguageServerId> {
 478        if let CompletionSource::Lsp { server_id, .. } = self {
 479            Some(*server_id)
 480        } else {
 481            None
 482        }
 483    }
 484
 485    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 486        if let Self::Lsp {
 487            lsp_completion,
 488            lsp_defaults,
 489            ..
 490        } = self
 491        {
 492            if apply_defaults {
 493                if let Some(lsp_defaults) = lsp_defaults {
 494                    let mut completion_with_defaults = *lsp_completion.clone();
 495                    let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 496                    let default_edit_range = lsp_defaults.edit_range.as_ref();
 497                    let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 498                    let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 499
 500                    if default_commit_characters.is_some()
 501                        || default_edit_range.is_some()
 502                        || default_insert_text_format.is_some()
 503                        || default_insert_text_mode.is_some()
 504                    {
 505                        if completion_with_defaults.commit_characters.is_none()
 506                            && default_commit_characters.is_some()
 507                        {
 508                            completion_with_defaults.commit_characters =
 509                                default_commit_characters.cloned()
 510                        }
 511                        if completion_with_defaults.text_edit.is_none() {
 512                            match default_edit_range {
 513                                Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 514                                    completion_with_defaults.text_edit =
 515                                        Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 516                                            range: *range,
 517                                            new_text: completion_with_defaults.label.clone(),
 518                                        }))
 519                                }
 520                                Some(
 521                                    lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 522                                        insert,
 523                                        replace,
 524                                    },
 525                                ) => {
 526                                    completion_with_defaults.text_edit =
 527                                        Some(lsp::CompletionTextEdit::InsertAndReplace(
 528                                            lsp::InsertReplaceEdit {
 529                                                new_text: completion_with_defaults.label.clone(),
 530                                                insert: *insert,
 531                                                replace: *replace,
 532                                            },
 533                                        ))
 534                                }
 535                                None => {}
 536                            }
 537                        }
 538                        if completion_with_defaults.insert_text_format.is_none()
 539                            && default_insert_text_format.is_some()
 540                        {
 541                            completion_with_defaults.insert_text_format =
 542                                default_insert_text_format.cloned()
 543                        }
 544                        if completion_with_defaults.insert_text_mode.is_none()
 545                            && default_insert_text_mode.is_some()
 546                        {
 547                            completion_with_defaults.insert_text_mode =
 548                                default_insert_text_mode.cloned()
 549                        }
 550                    }
 551                    return Some(Cow::Owned(completion_with_defaults));
 552                }
 553            }
 554            Some(Cow::Borrowed(lsp_completion))
 555        } else {
 556            None
 557        }
 558    }
 559}
 560
 561impl std::fmt::Debug for Completion {
 562    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 563        f.debug_struct("Completion")
 564            .field("replace_range", &self.replace_range)
 565            .field("new_text", &self.new_text)
 566            .field("label", &self.label)
 567            .field("documentation", &self.documentation)
 568            .field("source", &self.source)
 569            .finish()
 570    }
 571}
 572
 573/// Response from a source of completions.
 574pub struct CompletionResponse {
 575    pub completions: Vec<Completion>,
 576    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 577    /// can be filtered instead.
 578    pub is_incomplete: bool,
 579}
 580
 581/// Response from language server completion request.
 582#[derive(Clone, Debug, Default)]
 583pub(crate) struct CoreCompletionResponse {
 584    pub completions: Vec<CoreCompletion>,
 585    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 586    /// can be filtered instead.
 587    pub is_incomplete: bool,
 588}
 589
 590/// A generic completion that can come from different sources.
 591#[derive(Clone, Debug)]
 592pub(crate) struct CoreCompletion {
 593    replace_range: Range<Anchor>,
 594    new_text: String,
 595    source: CompletionSource,
 596}
 597
 598/// A code action provided by a language server.
 599#[derive(Clone, Debug, PartialEq)]
 600pub struct CodeAction {
 601    /// The id of the language server that produced this code action.
 602    pub server_id: LanguageServerId,
 603    /// The range of the buffer where this code action is applicable.
 604    pub range: Range<Anchor>,
 605    /// The raw code action provided by the language server.
 606    /// Can be either an action or a command.
 607    pub lsp_action: LspAction,
 608    /// Whether the action needs to be resolved using the language server.
 609    pub resolved: bool,
 610}
 611
 612/// An action sent back by a language server.
 613#[derive(Clone, Debug, PartialEq)]
 614pub enum LspAction {
 615    /// An action with the full data, may have a command or may not.
 616    /// May require resolving.
 617    Action(Box<lsp::CodeAction>),
 618    /// A command data to run as an action.
 619    Command(lsp::Command),
 620    /// A code lens data to run as an action.
 621    CodeLens(lsp::CodeLens),
 622}
 623
 624impl LspAction {
 625    pub fn title(&self) -> &str {
 626        match self {
 627            Self::Action(action) => &action.title,
 628            Self::Command(command) => &command.title,
 629            Self::CodeLens(lens) => lens
 630                .command
 631                .as_ref()
 632                .map(|command| command.title.as_str())
 633                .unwrap_or("Unknown command"),
 634        }
 635    }
 636
 637    fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 638        match self {
 639            Self::Action(action) => action.kind.clone(),
 640            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 641            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 642        }
 643    }
 644
 645    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 646        match self {
 647            Self::Action(action) => action.edit.as_ref(),
 648            Self::Command(_) => None,
 649            Self::CodeLens(_) => None,
 650        }
 651    }
 652
 653    fn command(&self) -> Option<&lsp::Command> {
 654        match self {
 655            Self::Action(action) => action.command.as_ref(),
 656            Self::Command(command) => Some(command),
 657            Self::CodeLens(lens) => lens.command.as_ref(),
 658        }
 659    }
 660}
 661
 662#[derive(Debug, Clone, PartialEq, Eq)]
 663pub enum ResolveState {
 664    Resolved,
 665    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 666    Resolving,
 667}
 668
 669impl InlayHint {
 670    pub fn text(&self) -> Rope {
 671        match &self.label {
 672            InlayHintLabel::String(s) => Rope::from(s),
 673            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
 674        }
 675    }
 676}
 677
 678#[derive(Debug, Clone, PartialEq, Eq)]
 679pub enum InlayHintLabel {
 680    String(String),
 681    LabelParts(Vec<InlayHintLabelPart>),
 682}
 683
 684#[derive(Debug, Clone, PartialEq, Eq)]
 685pub struct InlayHintLabelPart {
 686    pub value: String,
 687    pub tooltip: Option<InlayHintLabelPartTooltip>,
 688    pub location: Option<(LanguageServerId, lsp::Location)>,
 689}
 690
 691#[derive(Debug, Clone, PartialEq, Eq)]
 692pub enum InlayHintTooltip {
 693    String(String),
 694    MarkupContent(MarkupContent),
 695}
 696
 697#[derive(Debug, Clone, PartialEq, Eq)]
 698pub enum InlayHintLabelPartTooltip {
 699    String(String),
 700    MarkupContent(MarkupContent),
 701}
 702
 703#[derive(Debug, Clone, PartialEq, Eq)]
 704pub struct MarkupContent {
 705    pub kind: HoverBlockKind,
 706    pub value: String,
 707}
 708
 709#[derive(Debug, Clone, PartialEq)]
 710pub struct LocationLink {
 711    pub origin: Option<Location>,
 712    pub target: Location,
 713}
 714
 715#[derive(Debug)]
 716pub struct DocumentHighlight {
 717    pub range: Range<language::Anchor>,
 718    pub kind: DocumentHighlightKind,
 719}
 720
 721#[derive(Clone, Debug)]
 722pub struct Symbol {
 723    pub language_server_name: LanguageServerName,
 724    pub source_worktree_id: WorktreeId,
 725    pub source_language_server_id: LanguageServerId,
 726    pub path: ProjectPath,
 727    pub label: CodeLabel,
 728    pub name: String,
 729    pub kind: lsp::SymbolKind,
 730    pub range: Range<Unclipped<PointUtf16>>,
 731    pub signature: [u8; 32],
 732}
 733
 734#[derive(Clone, Debug)]
 735pub struct DocumentSymbol {
 736    pub name: String,
 737    pub kind: lsp::SymbolKind,
 738    pub range: Range<Unclipped<PointUtf16>>,
 739    pub selection_range: Range<Unclipped<PointUtf16>>,
 740    pub children: Vec<DocumentSymbol>,
 741}
 742
 743#[derive(Clone, Debug, PartialEq)]
 744pub struct HoverBlock {
 745    pub text: String,
 746    pub kind: HoverBlockKind,
 747}
 748
 749#[derive(Clone, Debug, PartialEq, Eq)]
 750pub enum HoverBlockKind {
 751    PlainText,
 752    Markdown,
 753    Code { language: String },
 754}
 755
 756#[derive(Debug, Clone)]
 757pub struct Hover {
 758    pub contents: Vec<HoverBlock>,
 759    pub range: Option<Range<language::Anchor>>,
 760    pub language: Option<Arc<Language>>,
 761}
 762
 763impl Hover {
 764    pub fn is_empty(&self) -> bool {
 765        self.contents.iter().all(|block| block.text.is_empty())
 766    }
 767}
 768
 769enum EntitySubscription {
 770    Project(PendingEntitySubscription<Project>),
 771    BufferStore(PendingEntitySubscription<BufferStore>),
 772    GitStore(PendingEntitySubscription<GitStore>),
 773    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 774    LspStore(PendingEntitySubscription<LspStore>),
 775    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 776    DapStore(PendingEntitySubscription<DapStore>),
 777}
 778
 779#[derive(Debug, Clone)]
 780pub struct DirectoryItem {
 781    pub path: PathBuf,
 782    pub is_dir: bool,
 783}
 784
 785#[derive(Clone, Debug, PartialEq)]
 786pub struct DocumentColor {
 787    pub lsp_range: lsp::Range,
 788    pub color: lsp::Color,
 789    pub resolved: bool,
 790    pub color_presentations: Vec<ColorPresentation>,
 791}
 792
 793impl Eq for DocumentColor {}
 794
 795impl std::hash::Hash for DocumentColor {
 796    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 797        self.lsp_range.hash(state);
 798        self.color.red.to_bits().hash(state);
 799        self.color.green.to_bits().hash(state);
 800        self.color.blue.to_bits().hash(state);
 801        self.color.alpha.to_bits().hash(state);
 802        self.resolved.hash(state);
 803        self.color_presentations.hash(state);
 804    }
 805}
 806
 807#[derive(Clone, Debug, PartialEq, Eq)]
 808pub struct ColorPresentation {
 809    pub label: SharedString,
 810    pub text_edit: Option<lsp::TextEdit>,
 811    pub additional_text_edits: Vec<lsp::TextEdit>,
 812}
 813
 814impl std::hash::Hash for ColorPresentation {
 815    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 816        self.label.hash(state);
 817        if let Some(ref edit) = self.text_edit {
 818            edit.range.hash(state);
 819            edit.new_text.hash(state);
 820        }
 821        self.additional_text_edits.len().hash(state);
 822        for edit in &self.additional_text_edits {
 823            edit.range.hash(state);
 824            edit.new_text.hash(state);
 825        }
 826    }
 827}
 828
 829#[derive(Clone)]
 830pub enum DirectoryLister {
 831    Project(Entity<Project>),
 832    Local(Entity<Project>, Arc<dyn Fs>),
 833}
 834
 835impl std::fmt::Debug for DirectoryLister {
 836    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 837        match self {
 838            DirectoryLister::Project(project) => {
 839                write!(f, "DirectoryLister::Project({project:?})")
 840            }
 841            DirectoryLister::Local(project, _) => {
 842                write!(f, "DirectoryLister::Local({project:?})")
 843            }
 844        }
 845    }
 846}
 847
 848impl DirectoryLister {
 849    pub fn is_local(&self, cx: &App) -> bool {
 850        match self {
 851            DirectoryLister::Local(..) => true,
 852            DirectoryLister::Project(project) => project.read(cx).is_local(),
 853        }
 854    }
 855
 856    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 857        if self.is_local(cx) {
 858            shellexpand::tilde(path)
 859        } else {
 860            Cow::from(path)
 861        }
 862    }
 863
 864    pub fn default_query(&self, cx: &mut App) -> String {
 865        let separator = std::path::MAIN_SEPARATOR_STR;
 866        match self {
 867            DirectoryLister::Project(project) => project,
 868            DirectoryLister::Local(project, _) => project,
 869        }
 870        .read(cx)
 871        .visible_worktrees(cx)
 872        .next()
 873        .map(|worktree| worktree.read(cx).abs_path())
 874        .map(|dir| dir.to_string_lossy().to_string())
 875        .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().to_string()))
 876        .map(|mut s| {
 877            s.push_str(separator);
 878            s
 879        })
 880        .unwrap_or_else(|| {
 881            if cfg!(target_os = "windows") {
 882                format!("C:{separator}")
 883            } else {
 884                format!("~{separator}")
 885            }
 886        })
 887    }
 888
 889    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 890        match self {
 891            DirectoryLister::Project(project) => {
 892                project.update(cx, |project, cx| project.list_directory(path, cx))
 893            }
 894            DirectoryLister::Local(_, fs) => {
 895                let fs = fs.clone();
 896                cx.background_spawn(async move {
 897                    let mut results = vec![];
 898                    let expanded = shellexpand::tilde(&path);
 899                    let query = Path::new(expanded.as_ref());
 900                    let mut response = fs.read_dir(query).await?;
 901                    while let Some(path) = response.next().await {
 902                        let path = path?;
 903                        if let Some(file_name) = path.file_name() {
 904                            results.push(DirectoryItem {
 905                                path: PathBuf::from(file_name.to_os_string()),
 906                                is_dir: fs.is_dir(&path).await,
 907                            });
 908                        }
 909                    }
 910                    Ok(results)
 911                })
 912            }
 913        }
 914    }
 915}
 916
 917#[cfg(any(test, feature = "test-support"))]
 918pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
 919    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
 920    trigger_character: None,
 921};
 922
 923/// An LSP diagnostics associated with a certain language server.
 924#[derive(Clone, Debug, Default)]
 925pub enum LspPullDiagnostics {
 926    #[default]
 927    Default,
 928    Response {
 929        /// The id of the language server that produced diagnostics.
 930        server_id: LanguageServerId,
 931        /// URI of the resource,
 932        uri: lsp::Url,
 933        /// The diagnostics produced by this language server.
 934        diagnostics: PulledDiagnostics,
 935    },
 936}
 937
 938#[derive(Clone, Debug)]
 939pub enum PulledDiagnostics {
 940    Unchanged {
 941        /// An ID the current pulled batch for this file.
 942        /// If given, can be used to query workspace diagnostics partially.
 943        result_id: String,
 944    },
 945    Changed {
 946        result_id: Option<String>,
 947        diagnostics: Vec<lsp::Diagnostic>,
 948    },
 949}
 950
 951/// Whether to disable all AI features in Zed.
 952///
 953/// Default: false
 954#[derive(Copy, Clone, Debug)]
 955pub struct DisableAiSettings {
 956    pub disable_ai: bool,
 957}
 958
 959impl settings::Settings for DisableAiSettings {
 960    const KEY: Option<&'static str> = Some("disable_ai");
 961
 962    type FileContent = Option<bool>;
 963
 964    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
 965        Ok(Self {
 966            disable_ai: sources
 967                .user
 968                .or(sources.server)
 969                .copied()
 970                .flatten()
 971                .unwrap_or(sources.default.ok_or_else(Self::missing_default)?),
 972        })
 973    }
 974
 975    fn import_from_vscode(_vscode: &settings::VsCodeSettings, _current: &mut Self::FileContent) {}
 976}
 977
 978impl Project {
 979    pub fn init_settings(cx: &mut App) {
 980        WorktreeSettings::register(cx);
 981        ProjectSettings::register(cx);
 982        DisableAiSettings::register(cx);
 983    }
 984
 985    pub fn init(client: &Arc<Client>, cx: &mut App) {
 986        connection_manager::init(client.clone(), cx);
 987        Self::init_settings(cx);
 988
 989        let client: AnyProtoClient = client.clone().into();
 990        client.add_entity_message_handler(Self::handle_add_collaborator);
 991        client.add_entity_message_handler(Self::handle_update_project_collaborator);
 992        client.add_entity_message_handler(Self::handle_remove_collaborator);
 993        client.add_entity_message_handler(Self::handle_update_project);
 994        client.add_entity_message_handler(Self::handle_unshare_project);
 995        client.add_entity_request_handler(Self::handle_update_buffer);
 996        client.add_entity_message_handler(Self::handle_update_worktree);
 997        client.add_entity_request_handler(Self::handle_synchronize_buffers);
 998
 999        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1000        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1001        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1002        client.add_entity_request_handler(Self::handle_open_new_buffer);
1003        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1004
1005        WorktreeStore::init(&client);
1006        BufferStore::init(&client);
1007        LspStore::init(&client);
1008        GitStore::init(&client);
1009        SettingsObserver::init(&client);
1010        TaskStore::init(Some(&client));
1011        ToolchainStore::init(&client);
1012        DapStore::init(&client, cx);
1013        BreakpointStore::init(&client);
1014        context_server_store::init(cx);
1015    }
1016
1017    pub fn local(
1018        client: Arc<Client>,
1019        node: NodeRuntime,
1020        user_store: Entity<UserStore>,
1021        languages: Arc<LanguageRegistry>,
1022        fs: Arc<dyn Fs>,
1023        env: Option<HashMap<String, String>>,
1024        cx: &mut App,
1025    ) -> Entity<Self> {
1026        cx.new(|cx: &mut Context<Self>| {
1027            let (tx, rx) = mpsc::unbounded();
1028            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1029                .detach();
1030            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1031            let worktree_store = cx.new(|_| WorktreeStore::local(false, fs.clone()));
1032            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1033                .detach();
1034
1035            let weak_self = cx.weak_entity();
1036            let context_server_store =
1037                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1038
1039            let environment = cx.new(|_| ProjectEnvironment::new(env));
1040            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1041            let toolchain_store = cx.new(|cx| {
1042                ToolchainStore::local(
1043                    languages.clone(),
1044                    worktree_store.clone(),
1045                    environment.clone(),
1046                    manifest_tree.clone(),
1047                    cx,
1048                )
1049            });
1050
1051            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1052            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1053                .detach();
1054
1055            let breakpoint_store =
1056                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1057
1058            let dap_store = cx.new(|cx| {
1059                DapStore::new_local(
1060                    client.http_client(),
1061                    node.clone(),
1062                    fs.clone(),
1063                    environment.clone(),
1064                    toolchain_store.read(cx).as_language_toolchain_store(),
1065                    worktree_store.clone(),
1066                    breakpoint_store.clone(),
1067                    cx,
1068                )
1069            });
1070            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1071
1072            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1073            cx.subscribe(&image_store, Self::on_image_store_event)
1074                .detach();
1075
1076            let prettier_store = cx.new(|cx| {
1077                PrettierStore::new(
1078                    node.clone(),
1079                    fs.clone(),
1080                    languages.clone(),
1081                    worktree_store.clone(),
1082                    cx,
1083                )
1084            });
1085
1086            let task_store = cx.new(|cx| {
1087                TaskStore::local(
1088                    fs.clone(),
1089                    buffer_store.downgrade(),
1090                    worktree_store.clone(),
1091                    toolchain_store.read(cx).as_language_toolchain_store(),
1092                    environment.clone(),
1093                    cx,
1094                )
1095            });
1096
1097            let settings_observer = cx.new(|cx| {
1098                SettingsObserver::new_local(
1099                    fs.clone(),
1100                    worktree_store.clone(),
1101                    task_store.clone(),
1102                    cx,
1103                )
1104            });
1105            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1106                .detach();
1107
1108            let lsp_store = cx.new(|cx| {
1109                LspStore::new_local(
1110                    buffer_store.clone(),
1111                    worktree_store.clone(),
1112                    prettier_store.clone(),
1113                    toolchain_store.clone(),
1114                    environment.clone(),
1115                    manifest_tree,
1116                    languages.clone(),
1117                    client.http_client(),
1118                    fs.clone(),
1119                    cx,
1120                )
1121            });
1122
1123            let git_store = cx.new(|cx| {
1124                GitStore::local(
1125                    &worktree_store,
1126                    buffer_store.clone(),
1127                    environment.clone(),
1128                    fs.clone(),
1129                    cx,
1130                )
1131            });
1132
1133            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1134
1135            Self {
1136                buffer_ordered_messages_tx: tx,
1137                collaborators: Default::default(),
1138                worktree_store,
1139                buffer_store,
1140                image_store,
1141                lsp_store,
1142                context_server_store,
1143                join_project_response_message_id: 0,
1144                client_state: ProjectClientState::Local,
1145                git_store,
1146                client_subscriptions: Vec::new(),
1147                _subscriptions: vec![cx.on_release(Self::release)],
1148                active_entry: None,
1149                snippets,
1150                languages,
1151                client,
1152                task_store,
1153                user_store,
1154                settings_observer,
1155                fs,
1156                ssh_client: None,
1157                breakpoint_store,
1158                dap_store,
1159
1160                buffers_needing_diff: Default::default(),
1161                git_diff_debouncer: DebouncedDelay::new(),
1162                terminals: Terminals {
1163                    local_handles: Vec::new(),
1164                },
1165                node: Some(node),
1166                search_history: Self::new_search_history(),
1167                environment,
1168                remotely_created_models: Default::default(),
1169
1170                search_included_history: Self::new_search_history(),
1171                search_excluded_history: Self::new_search_history(),
1172
1173                toolchain_store: Some(toolchain_store),
1174
1175                agent_location: None,
1176            }
1177        })
1178    }
1179
1180    pub fn ssh(
1181        ssh: Entity<SshRemoteClient>,
1182        client: Arc<Client>,
1183        node: NodeRuntime,
1184        user_store: Entity<UserStore>,
1185        languages: Arc<LanguageRegistry>,
1186        fs: Arc<dyn Fs>,
1187        cx: &mut App,
1188    ) -> Entity<Self> {
1189        cx.new(|cx: &mut Context<Self>| {
1190            let (tx, rx) = mpsc::unbounded();
1191            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1192                .detach();
1193            let global_snippets_dir = paths::snippets_dir().to_owned();
1194            let snippets =
1195                SnippetProvider::new(fs.clone(), BTreeSet::from_iter([global_snippets_dir]), cx);
1196
1197            let (ssh_proto, path_style) =
1198                ssh.read_with(cx, |ssh, _| (ssh.proto_client(), ssh.path_style()));
1199            let worktree_store = cx.new(|_| {
1200                WorktreeStore::remote(false, ssh_proto.clone(), SSH_PROJECT_ID, path_style)
1201            });
1202            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1203                .detach();
1204
1205            let weak_self = cx.weak_entity();
1206            let context_server_store =
1207                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1208
1209            let buffer_store = cx.new(|cx| {
1210                BufferStore::remote(
1211                    worktree_store.clone(),
1212                    ssh.read(cx).proto_client(),
1213                    SSH_PROJECT_ID,
1214                    cx,
1215                )
1216            });
1217            let image_store = cx.new(|cx| {
1218                ImageStore::remote(
1219                    worktree_store.clone(),
1220                    ssh.read(cx).proto_client(),
1221                    SSH_PROJECT_ID,
1222                    cx,
1223                )
1224            });
1225            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1226                .detach();
1227            let toolchain_store = cx
1228                .new(|cx| ToolchainStore::remote(SSH_PROJECT_ID, ssh.read(cx).proto_client(), cx));
1229            let task_store = cx.new(|cx| {
1230                TaskStore::remote(
1231                    fs.clone(),
1232                    buffer_store.downgrade(),
1233                    worktree_store.clone(),
1234                    toolchain_store.read(cx).as_language_toolchain_store(),
1235                    ssh.read(cx).proto_client(),
1236                    SSH_PROJECT_ID,
1237                    cx,
1238                )
1239            });
1240
1241            let settings_observer = cx.new(|cx| {
1242                SettingsObserver::new_remote(
1243                    fs.clone(),
1244                    worktree_store.clone(),
1245                    task_store.clone(),
1246                    cx,
1247                )
1248            });
1249            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1250                .detach();
1251
1252            let environment = cx.new(|_| ProjectEnvironment::new(None));
1253
1254            let lsp_store = cx.new(|cx| {
1255                LspStore::new_remote(
1256                    buffer_store.clone(),
1257                    worktree_store.clone(),
1258                    Some(toolchain_store.clone()),
1259                    languages.clone(),
1260                    ssh_proto.clone(),
1261                    SSH_PROJECT_ID,
1262                    fs.clone(),
1263                    cx,
1264                )
1265            });
1266            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1267
1268            let breakpoint_store =
1269                cx.new(|_| BreakpointStore::remote(SSH_PROJECT_ID, ssh_proto.clone()));
1270
1271            let dap_store = cx.new(|cx| {
1272                DapStore::new_ssh(
1273                    SSH_PROJECT_ID,
1274                    ssh.clone(),
1275                    breakpoint_store.clone(),
1276                    worktree_store.clone(),
1277                    cx,
1278                )
1279            });
1280
1281            let git_store = cx.new(|cx| {
1282                GitStore::ssh(&worktree_store, buffer_store.clone(), ssh_proto.clone(), cx)
1283            });
1284
1285            cx.subscribe(&ssh, Self::on_ssh_event).detach();
1286
1287            let this = Self {
1288                buffer_ordered_messages_tx: tx,
1289                collaborators: Default::default(),
1290                worktree_store,
1291                buffer_store,
1292                image_store,
1293                lsp_store,
1294                context_server_store,
1295                breakpoint_store,
1296                dap_store,
1297                join_project_response_message_id: 0,
1298                client_state: ProjectClientState::Local,
1299                git_store,
1300                client_subscriptions: Vec::new(),
1301                _subscriptions: vec![
1302                    cx.on_release(Self::release),
1303                    cx.on_app_quit(|this, cx| {
1304                        let shutdown = this.ssh_client.take().and_then(|client| {
1305                            client.read(cx).shutdown_processes(
1306                                Some(proto::ShutdownRemoteServer {}),
1307                                cx.background_executor().clone(),
1308                            )
1309                        });
1310
1311                        cx.background_executor().spawn(async move {
1312                            if let Some(shutdown) = shutdown {
1313                                shutdown.await;
1314                            }
1315                        })
1316                    }),
1317                ],
1318                active_entry: None,
1319                snippets,
1320                languages,
1321                client,
1322                task_store,
1323                user_store,
1324                settings_observer,
1325                fs,
1326                ssh_client: Some(ssh.clone()),
1327                buffers_needing_diff: Default::default(),
1328                git_diff_debouncer: DebouncedDelay::new(),
1329                terminals: Terminals {
1330                    local_handles: Vec::new(),
1331                },
1332                node: Some(node),
1333                search_history: Self::new_search_history(),
1334                environment,
1335                remotely_created_models: Default::default(),
1336
1337                search_included_history: Self::new_search_history(),
1338                search_excluded_history: Self::new_search_history(),
1339
1340                toolchain_store: Some(toolchain_store),
1341                agent_location: None,
1342            };
1343
1344            // ssh -> local machine handlers
1345            let ssh = ssh.read(cx);
1346            ssh.subscribe_to_entity(SSH_PROJECT_ID, &cx.entity());
1347            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.buffer_store);
1348            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.worktree_store);
1349            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.lsp_store);
1350            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.dap_store);
1351            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.settings_observer);
1352            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.git_store);
1353
1354            ssh_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1355            ssh_proto.add_entity_message_handler(Self::handle_update_worktree);
1356            ssh_proto.add_entity_message_handler(Self::handle_update_project);
1357            ssh_proto.add_entity_message_handler(Self::handle_toast);
1358            ssh_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1359            ssh_proto.add_entity_message_handler(Self::handle_hide_toast);
1360            ssh_proto.add_entity_request_handler(Self::handle_update_buffer_from_ssh);
1361            BufferStore::init(&ssh_proto);
1362            LspStore::init(&ssh_proto);
1363            SettingsObserver::init(&ssh_proto);
1364            TaskStore::init(Some(&ssh_proto));
1365            ToolchainStore::init(&ssh_proto);
1366            DapStore::init(&ssh_proto, cx);
1367            GitStore::init(&ssh_proto);
1368
1369            this
1370        })
1371    }
1372
1373    pub async fn remote(
1374        remote_id: u64,
1375        client: Arc<Client>,
1376        user_store: Entity<UserStore>,
1377        languages: Arc<LanguageRegistry>,
1378        fs: Arc<dyn Fs>,
1379        cx: AsyncApp,
1380    ) -> Result<Entity<Self>> {
1381        let project =
1382            Self::in_room(remote_id, client, user_store, languages, fs, cx.clone()).await?;
1383        cx.update(|cx| {
1384            connection_manager::Manager::global(cx).update(cx, |manager, cx| {
1385                manager.maintain_project_connection(&project, cx)
1386            })
1387        })?;
1388        Ok(project)
1389    }
1390
1391    pub async fn in_room(
1392        remote_id: u64,
1393        client: Arc<Client>,
1394        user_store: Entity<UserStore>,
1395        languages: Arc<LanguageRegistry>,
1396        fs: Arc<dyn Fs>,
1397        cx: AsyncApp,
1398    ) -> Result<Entity<Self>> {
1399        client.connect(true, &cx).await.into_response()?;
1400
1401        let subscriptions = [
1402            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1403            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1404            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1405            EntitySubscription::WorktreeStore(
1406                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1407            ),
1408            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1409            EntitySubscription::SettingsObserver(
1410                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1411            ),
1412            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1413        ];
1414        let committer = get_git_committer(&cx).await;
1415        let response = client
1416            .request_envelope(proto::JoinProject {
1417                project_id: remote_id,
1418                committer_email: committer.email,
1419                committer_name: committer.name,
1420            })
1421            .await?;
1422        Self::from_join_project_response(
1423            response,
1424            subscriptions,
1425            client,
1426            false,
1427            user_store,
1428            languages,
1429            fs,
1430            cx,
1431        )
1432        .await
1433    }
1434
1435    async fn from_join_project_response(
1436        response: TypedEnvelope<proto::JoinProjectResponse>,
1437        subscriptions: [EntitySubscription; 7],
1438        client: Arc<Client>,
1439        run_tasks: bool,
1440        user_store: Entity<UserStore>,
1441        languages: Arc<LanguageRegistry>,
1442        fs: Arc<dyn Fs>,
1443        mut cx: AsyncApp,
1444    ) -> Result<Entity<Self>> {
1445        let remote_id = response.payload.project_id;
1446        let role = response.payload.role();
1447
1448        // todo(zjk)
1449        // Set the proper path style based on the remote
1450        let worktree_store = cx.new(|_| {
1451            WorktreeStore::remote(
1452                true,
1453                client.clone().into(),
1454                response.payload.project_id,
1455                PathStyle::Posix,
1456            )
1457        })?;
1458        let buffer_store = cx.new(|cx| {
1459            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1460        })?;
1461        let image_store = cx.new(|cx| {
1462            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1463        })?;
1464
1465        let environment = cx.new(|_| ProjectEnvironment::new(None))?;
1466
1467        let breakpoint_store =
1468            cx.new(|_| BreakpointStore::remote(remote_id, client.clone().into()))?;
1469        let dap_store = cx.new(|cx| {
1470            DapStore::new_collab(
1471                remote_id,
1472                client.clone().into(),
1473                breakpoint_store.clone(),
1474                worktree_store.clone(),
1475                cx,
1476            )
1477        })?;
1478
1479        let lsp_store = cx.new(|cx| {
1480            let mut lsp_store = LspStore::new_remote(
1481                buffer_store.clone(),
1482                worktree_store.clone(),
1483                None,
1484                languages.clone(),
1485                client.clone().into(),
1486                remote_id,
1487                fs.clone(),
1488                cx,
1489            );
1490            lsp_store.set_language_server_statuses_from_proto(response.payload.language_servers);
1491            lsp_store
1492        })?;
1493
1494        let task_store = cx.new(|cx| {
1495            if run_tasks {
1496                TaskStore::remote(
1497                    fs.clone(),
1498                    buffer_store.downgrade(),
1499                    worktree_store.clone(),
1500                    Arc::new(EmptyToolchainStore),
1501                    client.clone().into(),
1502                    remote_id,
1503                    cx,
1504                )
1505            } else {
1506                TaskStore::Noop
1507            }
1508        })?;
1509
1510        let settings_observer = cx.new(|cx| {
1511            SettingsObserver::new_remote(fs.clone(), worktree_store.clone(), task_store.clone(), cx)
1512        })?;
1513
1514        let git_store = cx.new(|cx| {
1515            GitStore::remote(
1516                // In this remote case we pass None for the environment
1517                &worktree_store,
1518                buffer_store.clone(),
1519                client.clone().into(),
1520                ProjectId(remote_id),
1521                cx,
1522            )
1523        })?;
1524
1525        let this = cx.new(|cx| {
1526            let replica_id = response.payload.replica_id as ReplicaId;
1527
1528            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1529
1530            let weak_self = cx.weak_entity();
1531            let context_server_store =
1532                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1533
1534            let mut worktrees = Vec::new();
1535            for worktree in response.payload.worktrees {
1536                let worktree =
1537                    Worktree::remote(remote_id, replica_id, worktree, client.clone().into(), cx);
1538                worktrees.push(worktree);
1539            }
1540
1541            let (tx, rx) = mpsc::unbounded();
1542            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1543                .detach();
1544
1545            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1546                .detach();
1547
1548            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1549                .detach();
1550            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1551            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1552                .detach();
1553
1554            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1555
1556            let mut this = Self {
1557                buffer_ordered_messages_tx: tx,
1558                buffer_store: buffer_store.clone(),
1559                image_store,
1560                worktree_store: worktree_store.clone(),
1561                lsp_store: lsp_store.clone(),
1562                context_server_store,
1563                active_entry: None,
1564                collaborators: Default::default(),
1565                join_project_response_message_id: response.message_id,
1566                languages,
1567                user_store: user_store.clone(),
1568                task_store,
1569                snippets,
1570                fs,
1571                ssh_client: None,
1572                settings_observer: settings_observer.clone(),
1573                client_subscriptions: Default::default(),
1574                _subscriptions: vec![cx.on_release(Self::release)],
1575                client: client.clone(),
1576                client_state: ProjectClientState::Remote {
1577                    sharing_has_stopped: false,
1578                    capability: Capability::ReadWrite,
1579                    remote_id,
1580                    replica_id,
1581                },
1582                breakpoint_store,
1583                dap_store: dap_store.clone(),
1584                git_store: git_store.clone(),
1585                buffers_needing_diff: Default::default(),
1586                git_diff_debouncer: DebouncedDelay::new(),
1587                terminals: Terminals {
1588                    local_handles: Vec::new(),
1589                },
1590                node: None,
1591                search_history: Self::new_search_history(),
1592                search_included_history: Self::new_search_history(),
1593                search_excluded_history: Self::new_search_history(),
1594                environment,
1595                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1596                toolchain_store: None,
1597                agent_location: None,
1598            };
1599            this.set_role(role, cx);
1600            for worktree in worktrees {
1601                this.add_worktree(&worktree, cx);
1602            }
1603            this
1604        })?;
1605
1606        let subscriptions = subscriptions
1607            .into_iter()
1608            .map(|s| match s {
1609                EntitySubscription::BufferStore(subscription) => {
1610                    subscription.set_entity(&buffer_store, &mut cx)
1611                }
1612                EntitySubscription::WorktreeStore(subscription) => {
1613                    subscription.set_entity(&worktree_store, &mut cx)
1614                }
1615                EntitySubscription::GitStore(subscription) => {
1616                    subscription.set_entity(&git_store, &mut cx)
1617                }
1618                EntitySubscription::SettingsObserver(subscription) => {
1619                    subscription.set_entity(&settings_observer, &mut cx)
1620                }
1621                EntitySubscription::Project(subscription) => {
1622                    subscription.set_entity(&this, &mut cx)
1623                }
1624                EntitySubscription::LspStore(subscription) => {
1625                    subscription.set_entity(&lsp_store, &mut cx)
1626                }
1627                EntitySubscription::DapStore(subscription) => {
1628                    subscription.set_entity(&dap_store, &mut cx)
1629                }
1630            })
1631            .collect::<Vec<_>>();
1632
1633        let user_ids = response
1634            .payload
1635            .collaborators
1636            .iter()
1637            .map(|peer| peer.user_id)
1638            .collect();
1639        user_store
1640            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))?
1641            .await?;
1642
1643        this.update(&mut cx, |this, cx| {
1644            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1645            this.client_subscriptions.extend(subscriptions);
1646            anyhow::Ok(())
1647        })??;
1648
1649        Ok(this)
1650    }
1651
1652    fn new_search_history() -> SearchHistory {
1653        SearchHistory::new(
1654            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1655            search_history::QueryInsertionBehavior::AlwaysInsert,
1656        )
1657    }
1658
1659    fn release(&mut self, cx: &mut App) {
1660        if let Some(client) = self.ssh_client.take() {
1661            let shutdown = client.read(cx).shutdown_processes(
1662                Some(proto::ShutdownRemoteServer {}),
1663                cx.background_executor().clone(),
1664            );
1665
1666            cx.background_spawn(async move {
1667                if let Some(shutdown) = shutdown {
1668                    shutdown.await;
1669                }
1670            })
1671            .detach()
1672        }
1673
1674        match &self.client_state {
1675            ProjectClientState::Local => {}
1676            ProjectClientState::Shared { .. } => {
1677                let _ = self.unshare_internal(cx);
1678            }
1679            ProjectClientState::Remote { remote_id, .. } => {
1680                let _ = self.client.send(proto::LeaveProject {
1681                    project_id: *remote_id,
1682                });
1683                self.disconnected_from_host_internal(cx);
1684            }
1685        }
1686    }
1687
1688    #[cfg(any(test, feature = "test-support"))]
1689    pub async fn example(
1690        root_paths: impl IntoIterator<Item = &Path>,
1691        cx: &mut AsyncApp,
1692    ) -> Entity<Project> {
1693        use clock::FakeSystemClock;
1694
1695        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1696        let languages = LanguageRegistry::test(cx.background_executor().clone());
1697        let clock = Arc::new(FakeSystemClock::new());
1698        let http_client = http_client::FakeHttpClient::with_404_response();
1699        let client = cx
1700            .update(|cx| client::Client::new(clock, http_client.clone(), cx))
1701            .unwrap();
1702        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx)).unwrap();
1703        let project = cx
1704            .update(|cx| {
1705                Project::local(
1706                    client,
1707                    node_runtime::NodeRuntime::unavailable(),
1708                    user_store,
1709                    Arc::new(languages),
1710                    fs,
1711                    None,
1712                    cx,
1713                )
1714            })
1715            .unwrap();
1716        for path in root_paths {
1717            let (tree, _) = project
1718                .update(cx, |project, cx| {
1719                    project.find_or_create_worktree(path, true, cx)
1720                })
1721                .unwrap()
1722                .await
1723                .unwrap();
1724            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1725                .unwrap()
1726                .await;
1727        }
1728        project
1729    }
1730
1731    #[cfg(any(test, feature = "test-support"))]
1732    pub async fn test(
1733        fs: Arc<dyn Fs>,
1734        root_paths: impl IntoIterator<Item = &Path>,
1735        cx: &mut gpui::TestAppContext,
1736    ) -> Entity<Project> {
1737        use clock::FakeSystemClock;
1738
1739        let languages = LanguageRegistry::test(cx.executor());
1740        let clock = Arc::new(FakeSystemClock::new());
1741        let http_client = http_client::FakeHttpClient::with_404_response();
1742        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1743        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1744        let project = cx.update(|cx| {
1745            Project::local(
1746                client,
1747                node_runtime::NodeRuntime::unavailable(),
1748                user_store,
1749                Arc::new(languages),
1750                fs,
1751                None,
1752                cx,
1753            )
1754        });
1755        for path in root_paths {
1756            let (tree, _) = project
1757                .update(cx, |project, cx| {
1758                    project.find_or_create_worktree(path, true, cx)
1759                })
1760                .await
1761                .unwrap();
1762
1763            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1764                .await;
1765        }
1766        project
1767    }
1768
1769    pub fn dap_store(&self) -> Entity<DapStore> {
1770        self.dap_store.clone()
1771    }
1772
1773    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
1774        self.breakpoint_store.clone()
1775    }
1776
1777    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
1778        let active_position = self.breakpoint_store.read(cx).active_position()?;
1779        let session = self
1780            .dap_store
1781            .read(cx)
1782            .session_by_id(active_position.session_id)?;
1783        Some((session, active_position.clone()))
1784    }
1785
1786    pub fn lsp_store(&self) -> Entity<LspStore> {
1787        self.lsp_store.clone()
1788    }
1789
1790    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
1791        self.worktree_store.clone()
1792    }
1793
1794    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
1795        self.context_server_store.clone()
1796    }
1797
1798    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
1799        self.buffer_store.read(cx).get(remote_id)
1800    }
1801
1802    pub fn languages(&self) -> &Arc<LanguageRegistry> {
1803        &self.languages
1804    }
1805
1806    pub fn client(&self) -> Arc<Client> {
1807        self.client.clone()
1808    }
1809
1810    pub fn ssh_client(&self) -> Option<Entity<SshRemoteClient>> {
1811        self.ssh_client.clone()
1812    }
1813
1814    pub fn user_store(&self) -> Entity<UserStore> {
1815        self.user_store.clone()
1816    }
1817
1818    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
1819        self.node.as_ref()
1820    }
1821
1822    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
1823        self.buffer_store.read(cx).buffers().collect()
1824    }
1825
1826    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
1827        &self.environment
1828    }
1829
1830    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
1831        self.environment.read(cx).get_cli_environment()
1832    }
1833
1834    pub fn buffer_environment<'a>(
1835        &'a self,
1836        buffer: &Entity<Buffer>,
1837        worktree_store: &Entity<WorktreeStore>,
1838        cx: &'a mut App,
1839    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1840        self.environment.update(cx, |environment, cx| {
1841            environment.get_buffer_environment(&buffer, &worktree_store, cx)
1842        })
1843    }
1844
1845    pub fn directory_environment(
1846        &self,
1847        abs_path: Arc<Path>,
1848        cx: &mut App,
1849    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1850        self.environment.update(cx, |environment, cx| {
1851            environment.get_directory_environment(abs_path, cx)
1852        })
1853    }
1854
1855    pub fn shell_environment_errors<'a>(
1856        &'a self,
1857        cx: &'a App,
1858    ) -> impl Iterator<Item = (&'a Arc<Path>, &'a EnvironmentErrorMessage)> {
1859        self.environment.read(cx).environment_errors()
1860    }
1861
1862    pub fn remove_environment_error(&mut self, abs_path: &Path, cx: &mut Context<Self>) {
1863        self.environment.update(cx, |environment, cx| {
1864            environment.remove_environment_error(abs_path, cx);
1865        });
1866    }
1867
1868    #[cfg(any(test, feature = "test-support"))]
1869    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
1870        self.buffer_store
1871            .read(cx)
1872            .get_by_path(&path.into())
1873            .is_some()
1874    }
1875
1876    pub fn fs(&self) -> &Arc<dyn Fs> {
1877        &self.fs
1878    }
1879
1880    pub fn remote_id(&self) -> Option<u64> {
1881        match self.client_state {
1882            ProjectClientState::Local => None,
1883            ProjectClientState::Shared { remote_id, .. }
1884            | ProjectClientState::Remote { remote_id, .. } => Some(remote_id),
1885        }
1886    }
1887
1888    pub fn supports_terminal(&self, _cx: &App) -> bool {
1889        if self.is_local() {
1890            return true;
1891        }
1892        if self.is_via_ssh() {
1893            return true;
1894        }
1895
1896        return false;
1897    }
1898
1899    pub fn ssh_connection_string(&self, cx: &App) -> Option<SharedString> {
1900        if let Some(ssh_state) = &self.ssh_client {
1901            return Some(ssh_state.read(cx).connection_string().into());
1902        }
1903
1904        return None;
1905    }
1906
1907    pub fn ssh_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
1908        self.ssh_client
1909            .as_ref()
1910            .map(|ssh| ssh.read(cx).connection_state())
1911    }
1912
1913    pub fn ssh_connection_options(&self, cx: &App) -> Option<SshConnectionOptions> {
1914        self.ssh_client
1915            .as_ref()
1916            .map(|ssh| ssh.read(cx).connection_options())
1917    }
1918
1919    pub fn replica_id(&self) -> ReplicaId {
1920        match self.client_state {
1921            ProjectClientState::Remote { replica_id, .. } => replica_id,
1922            _ => {
1923                if self.ssh_client.is_some() {
1924                    1
1925                } else {
1926                    0
1927                }
1928            }
1929        }
1930    }
1931
1932    pub fn task_store(&self) -> &Entity<TaskStore> {
1933        &self.task_store
1934    }
1935
1936    pub fn snippets(&self) -> &Entity<SnippetProvider> {
1937        &self.snippets
1938    }
1939
1940    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
1941        match kind {
1942            SearchInputKind::Query => &self.search_history,
1943            SearchInputKind::Include => &self.search_included_history,
1944            SearchInputKind::Exclude => &self.search_excluded_history,
1945        }
1946    }
1947
1948    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
1949        match kind {
1950            SearchInputKind::Query => &mut self.search_history,
1951            SearchInputKind::Include => &mut self.search_included_history,
1952            SearchInputKind::Exclude => &mut self.search_excluded_history,
1953        }
1954    }
1955
1956    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
1957        &self.collaborators
1958    }
1959
1960    pub fn host(&self) -> Option<&Collaborator> {
1961        self.collaborators.values().find(|c| c.is_host)
1962    }
1963
1964    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
1965        self.worktree_store.update(cx, |store, _| {
1966            store.set_worktrees_reordered(worktrees_reordered);
1967        });
1968    }
1969
1970    /// Collect all worktrees, including ones that don't appear in the project panel
1971    pub fn worktrees<'a>(
1972        &self,
1973        cx: &'a App,
1974    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
1975        self.worktree_store.read(cx).worktrees()
1976    }
1977
1978    /// Collect all user-visible worktrees, the ones that appear in the project panel.
1979    pub fn visible_worktrees<'a>(
1980        &'a self,
1981        cx: &'a App,
1982    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
1983        self.worktree_store.read(cx).visible_worktrees(cx)
1984    }
1985
1986    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
1987        self.visible_worktrees(cx)
1988            .find(|tree| tree.read(cx).root_name() == root_name)
1989    }
1990
1991    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
1992        self.visible_worktrees(cx)
1993            .map(|tree| tree.read(cx).root_name())
1994    }
1995
1996    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
1997        self.worktree_store.read(cx).worktree_for_id(id, cx)
1998    }
1999
2000    pub fn worktree_for_entry(
2001        &self,
2002        entry_id: ProjectEntryId,
2003        cx: &App,
2004    ) -> Option<Entity<Worktree>> {
2005        self.worktree_store
2006            .read(cx)
2007            .worktree_for_entry(entry_id, cx)
2008    }
2009
2010    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2011        self.worktree_for_entry(entry_id, cx)
2012            .map(|worktree| worktree.read(cx).id())
2013    }
2014
2015    /// Checks if the entry is the root of a worktree.
2016    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2017        self.worktree_for_entry(entry_id, cx)
2018            .map(|worktree| {
2019                worktree
2020                    .read(cx)
2021                    .root_entry()
2022                    .is_some_and(|e| e.id == entry_id)
2023            })
2024            .unwrap_or(false)
2025    }
2026
2027    pub fn project_path_git_status(
2028        &self,
2029        project_path: &ProjectPath,
2030        cx: &App,
2031    ) -> Option<FileStatus> {
2032        self.git_store
2033            .read(cx)
2034            .project_path_git_status(project_path, cx)
2035    }
2036
2037    pub fn visibility_for_paths(
2038        &self,
2039        paths: &[PathBuf],
2040        metadatas: &[Metadata],
2041        exclude_sub_dirs: bool,
2042        cx: &App,
2043    ) -> Option<bool> {
2044        paths
2045            .iter()
2046            .zip(metadatas)
2047            .map(|(path, metadata)| self.visibility_for_path(path, metadata, exclude_sub_dirs, cx))
2048            .max()
2049            .flatten()
2050    }
2051
2052    pub fn visibility_for_path(
2053        &self,
2054        path: &Path,
2055        metadata: &Metadata,
2056        exclude_sub_dirs: bool,
2057        cx: &App,
2058    ) -> Option<bool> {
2059        let sanitized_path = SanitizedPath::from(path);
2060        let path = sanitized_path.as_path();
2061        self.worktrees(cx)
2062            .filter_map(|worktree| {
2063                let worktree = worktree.read(cx);
2064                let abs_path = worktree.as_local()?.abs_path();
2065                let contains = path == abs_path
2066                    || (path.starts_with(abs_path) && (!exclude_sub_dirs || !metadata.is_dir));
2067                contains.then(|| worktree.is_visible())
2068            })
2069            .max()
2070    }
2071
2072    pub fn create_entry(
2073        &mut self,
2074        project_path: impl Into<ProjectPath>,
2075        is_directory: bool,
2076        cx: &mut Context<Self>,
2077    ) -> Task<Result<CreatedEntry>> {
2078        let project_path = project_path.into();
2079        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2080            return Task::ready(Err(anyhow!(format!(
2081                "No worktree for path {project_path:?}"
2082            ))));
2083        };
2084        worktree.update(cx, |worktree, cx| {
2085            worktree.create_entry(project_path.path, is_directory, None, cx)
2086        })
2087    }
2088
2089    pub fn copy_entry(
2090        &mut self,
2091        entry_id: ProjectEntryId,
2092        relative_worktree_source_path: Option<PathBuf>,
2093        new_path: impl Into<Arc<Path>>,
2094        cx: &mut Context<Self>,
2095    ) -> Task<Result<Option<Entry>>> {
2096        let Some(worktree) = self.worktree_for_entry(entry_id, cx) else {
2097            return Task::ready(Ok(None));
2098        };
2099        worktree.update(cx, |worktree, cx| {
2100            worktree.copy_entry(entry_id, relative_worktree_source_path, new_path, cx)
2101        })
2102    }
2103
2104    /// Renames the project entry with given `entry_id`.
2105    ///
2106    /// `new_path` is a relative path to worktree root.
2107    /// If root entry is renamed then its new root name is used instead.
2108    pub fn rename_entry(
2109        &mut self,
2110        entry_id: ProjectEntryId,
2111        new_path: impl Into<Arc<Path>>,
2112        cx: &mut Context<Self>,
2113    ) -> Task<Result<CreatedEntry>> {
2114        let worktree_store = self.worktree_store.read(cx);
2115        let new_path = new_path.into();
2116        let Some((worktree, old_path, is_dir)) = worktree_store
2117            .worktree_and_entry_for_id(entry_id, cx)
2118            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2119        else {
2120            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2121        };
2122
2123        let worktree_id = worktree.read(cx).id();
2124        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2125
2126        let lsp_store = self.lsp_store().downgrade();
2127        cx.spawn(async move |_, cx| {
2128            let (old_abs_path, new_abs_path) = {
2129                let root_path = worktree.read_with(cx, |this, _| this.abs_path())?;
2130                let new_abs_path = if is_root_entry {
2131                    root_path.parent().unwrap().join(&new_path)
2132                } else {
2133                    root_path.join(&new_path)
2134                };
2135                (root_path.join(&old_path), new_abs_path)
2136            };
2137            LspStore::will_rename_entry(
2138                lsp_store.clone(),
2139                worktree_id,
2140                &old_abs_path,
2141                &new_abs_path,
2142                is_dir,
2143                cx.clone(),
2144            )
2145            .await;
2146
2147            let entry = worktree
2148                .update(cx, |worktree, cx| {
2149                    worktree.rename_entry(entry_id, new_path.clone(), cx)
2150                })?
2151                .await?;
2152
2153            lsp_store
2154                .read_with(cx, |this, _| {
2155                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2156                })
2157                .ok();
2158            Ok(entry)
2159        })
2160    }
2161
2162    pub fn delete_file(
2163        &mut self,
2164        path: ProjectPath,
2165        trash: bool,
2166        cx: &mut Context<Self>,
2167    ) -> Option<Task<Result<()>>> {
2168        let entry = self.entry_for_path(&path, cx)?;
2169        self.delete_entry(entry.id, trash, cx)
2170    }
2171
2172    pub fn delete_entry(
2173        &mut self,
2174        entry_id: ProjectEntryId,
2175        trash: bool,
2176        cx: &mut Context<Self>,
2177    ) -> Option<Task<Result<()>>> {
2178        let worktree = self.worktree_for_entry(entry_id, cx)?;
2179        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2180        worktree.update(cx, |worktree, cx| {
2181            worktree.delete_entry(entry_id, trash, cx)
2182        })
2183    }
2184
2185    pub fn expand_entry(
2186        &mut self,
2187        worktree_id: WorktreeId,
2188        entry_id: ProjectEntryId,
2189        cx: &mut Context<Self>,
2190    ) -> Option<Task<Result<()>>> {
2191        let worktree = self.worktree_for_id(worktree_id, cx)?;
2192        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2193    }
2194
2195    pub fn expand_all_for_entry(
2196        &mut self,
2197        worktree_id: WorktreeId,
2198        entry_id: ProjectEntryId,
2199        cx: &mut Context<Self>,
2200    ) -> Option<Task<Result<()>>> {
2201        let worktree = self.worktree_for_id(worktree_id, cx)?;
2202        let task = worktree.update(cx, |worktree, cx| {
2203            worktree.expand_all_for_entry(entry_id, cx)
2204        });
2205        Some(cx.spawn(async move |this, cx| {
2206            task.context("no task")?.await?;
2207            this.update(cx, |_, cx| {
2208                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2209            })?;
2210            Ok(())
2211        }))
2212    }
2213
2214    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2215        anyhow::ensure!(
2216            matches!(self.client_state, ProjectClientState::Local),
2217            "project was already shared"
2218        );
2219
2220        self.client_subscriptions.extend([
2221            self.client
2222                .subscribe_to_entity(project_id)?
2223                .set_entity(&cx.entity(), &mut cx.to_async()),
2224            self.client
2225                .subscribe_to_entity(project_id)?
2226                .set_entity(&self.worktree_store, &mut cx.to_async()),
2227            self.client
2228                .subscribe_to_entity(project_id)?
2229                .set_entity(&self.buffer_store, &mut cx.to_async()),
2230            self.client
2231                .subscribe_to_entity(project_id)?
2232                .set_entity(&self.lsp_store, &mut cx.to_async()),
2233            self.client
2234                .subscribe_to_entity(project_id)?
2235                .set_entity(&self.settings_observer, &mut cx.to_async()),
2236            self.client
2237                .subscribe_to_entity(project_id)?
2238                .set_entity(&self.dap_store, &mut cx.to_async()),
2239            self.client
2240                .subscribe_to_entity(project_id)?
2241                .set_entity(&self.breakpoint_store, &mut cx.to_async()),
2242            self.client
2243                .subscribe_to_entity(project_id)?
2244                .set_entity(&self.git_store, &mut cx.to_async()),
2245        ]);
2246
2247        self.buffer_store.update(cx, |buffer_store, cx| {
2248            buffer_store.shared(project_id, self.client.clone().into(), cx)
2249        });
2250        self.worktree_store.update(cx, |worktree_store, cx| {
2251            worktree_store.shared(project_id, self.client.clone().into(), cx);
2252        });
2253        self.lsp_store.update(cx, |lsp_store, cx| {
2254            lsp_store.shared(project_id, self.client.clone().into(), cx)
2255        });
2256        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2257            breakpoint_store.shared(project_id, self.client.clone().into())
2258        });
2259        self.dap_store.update(cx, |dap_store, cx| {
2260            dap_store.shared(project_id, self.client.clone().into(), cx);
2261        });
2262        self.task_store.update(cx, |task_store, cx| {
2263            task_store.shared(project_id, self.client.clone().into(), cx);
2264        });
2265        self.settings_observer.update(cx, |settings_observer, cx| {
2266            settings_observer.shared(project_id, self.client.clone().into(), cx)
2267        });
2268        self.git_store.update(cx, |git_store, cx| {
2269            git_store.shared(project_id, self.client.clone().into(), cx)
2270        });
2271
2272        self.client_state = ProjectClientState::Shared {
2273            remote_id: project_id,
2274        };
2275
2276        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2277        Ok(())
2278    }
2279
2280    pub fn reshared(
2281        &mut self,
2282        message: proto::ResharedProject,
2283        cx: &mut Context<Self>,
2284    ) -> Result<()> {
2285        self.buffer_store
2286            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2287        self.set_collaborators_from_proto(message.collaborators, cx)?;
2288
2289        self.worktree_store.update(cx, |worktree_store, cx| {
2290            worktree_store.send_project_updates(cx);
2291        });
2292        if let Some(remote_id) = self.remote_id() {
2293            self.git_store.update(cx, |git_store, cx| {
2294                git_store.shared(remote_id, self.client.clone().into(), cx)
2295            });
2296        }
2297        cx.emit(Event::Reshared);
2298        Ok(())
2299    }
2300
2301    pub fn rejoined(
2302        &mut self,
2303        message: proto::RejoinedProject,
2304        message_id: u32,
2305        cx: &mut Context<Self>,
2306    ) -> Result<()> {
2307        cx.update_global::<SettingsStore, _>(|store, cx| {
2308            self.worktree_store.update(cx, |worktree_store, cx| {
2309                for worktree in worktree_store.worktrees() {
2310                    store
2311                        .clear_local_settings(worktree.read(cx).id(), cx)
2312                        .log_err();
2313                }
2314            });
2315        });
2316
2317        self.join_project_response_message_id = message_id;
2318        self.set_worktrees_from_proto(message.worktrees, cx)?;
2319        self.set_collaborators_from_proto(message.collaborators, cx)?;
2320        self.lsp_store.update(cx, |lsp_store, _| {
2321            lsp_store.set_language_server_statuses_from_proto(message.language_servers)
2322        });
2323        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2324            .unwrap();
2325        cx.emit(Event::Rejoined);
2326        Ok(())
2327    }
2328
2329    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2330        self.unshare_internal(cx)?;
2331        cx.emit(Event::RemoteIdChanged(None));
2332        Ok(())
2333    }
2334
2335    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2336        anyhow::ensure!(
2337            !self.is_via_collab(),
2338            "attempted to unshare a remote project"
2339        );
2340
2341        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2342            self.client_state = ProjectClientState::Local;
2343            self.collaborators.clear();
2344            self.client_subscriptions.clear();
2345            self.worktree_store.update(cx, |store, cx| {
2346                store.unshared(cx);
2347            });
2348            self.buffer_store.update(cx, |buffer_store, cx| {
2349                buffer_store.forget_shared_buffers();
2350                buffer_store.unshared(cx)
2351            });
2352            self.task_store.update(cx, |task_store, cx| {
2353                task_store.unshared(cx);
2354            });
2355            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2356                breakpoint_store.unshared(cx);
2357            });
2358            self.dap_store.update(cx, |dap_store, cx| {
2359                dap_store.unshared(cx);
2360            });
2361            self.settings_observer.update(cx, |settings_observer, cx| {
2362                settings_observer.unshared(cx);
2363            });
2364            self.git_store.update(cx, |git_store, cx| {
2365                git_store.unshared(cx);
2366            });
2367
2368            self.client
2369                .send(proto::UnshareProject {
2370                    project_id: remote_id,
2371                })
2372                .ok();
2373            Ok(())
2374        } else {
2375            anyhow::bail!("attempted to unshare an unshared project");
2376        }
2377    }
2378
2379    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2380        if self.is_disconnected(cx) {
2381            return;
2382        }
2383        self.disconnected_from_host_internal(cx);
2384        cx.emit(Event::DisconnectedFromHost);
2385    }
2386
2387    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2388        let new_capability =
2389            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2390                Capability::ReadWrite
2391            } else {
2392                Capability::ReadOnly
2393            };
2394        if let ProjectClientState::Remote { capability, .. } = &mut self.client_state {
2395            if *capability == new_capability {
2396                return;
2397            }
2398
2399            *capability = new_capability;
2400            for buffer in self.opened_buffers(cx) {
2401                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2402            }
2403        }
2404    }
2405
2406    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2407        if let ProjectClientState::Remote {
2408            sharing_has_stopped,
2409            ..
2410        } = &mut self.client_state
2411        {
2412            *sharing_has_stopped = true;
2413            self.collaborators.clear();
2414            self.worktree_store.update(cx, |store, cx| {
2415                store.disconnected_from_host(cx);
2416            });
2417            self.buffer_store.update(cx, |buffer_store, cx| {
2418                buffer_store.disconnected_from_host(cx)
2419            });
2420            self.lsp_store
2421                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2422        }
2423    }
2424
2425    pub fn close(&mut self, cx: &mut Context<Self>) {
2426        cx.emit(Event::Closed);
2427    }
2428
2429    pub fn is_disconnected(&self, cx: &App) -> bool {
2430        match &self.client_state {
2431            ProjectClientState::Remote {
2432                sharing_has_stopped,
2433                ..
2434            } => *sharing_has_stopped,
2435            ProjectClientState::Local if self.is_via_ssh() => self.ssh_is_disconnected(cx),
2436            _ => false,
2437        }
2438    }
2439
2440    fn ssh_is_disconnected(&self, cx: &App) -> bool {
2441        self.ssh_client
2442            .as_ref()
2443            .map(|ssh| ssh.read(cx).is_disconnected())
2444            .unwrap_or(false)
2445    }
2446
2447    pub fn capability(&self) -> Capability {
2448        match &self.client_state {
2449            ProjectClientState::Remote { capability, .. } => *capability,
2450            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2451        }
2452    }
2453
2454    pub fn is_read_only(&self, cx: &App) -> bool {
2455        self.is_disconnected(cx) || self.capability() == Capability::ReadOnly
2456    }
2457
2458    pub fn is_local(&self) -> bool {
2459        match &self.client_state {
2460            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2461                self.ssh_client.is_none()
2462            }
2463            ProjectClientState::Remote { .. } => false,
2464        }
2465    }
2466
2467    pub fn is_via_ssh(&self) -> bool {
2468        match &self.client_state {
2469            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2470                self.ssh_client.is_some()
2471            }
2472            ProjectClientState::Remote { .. } => false,
2473        }
2474    }
2475
2476    pub fn is_via_collab(&self) -> bool {
2477        match &self.client_state {
2478            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2479            ProjectClientState::Remote { .. } => true,
2480        }
2481    }
2482
2483    pub fn create_buffer(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
2484        self.buffer_store
2485            .update(cx, |buffer_store, cx| buffer_store.create_buffer(cx))
2486    }
2487
2488    pub fn create_local_buffer(
2489        &mut self,
2490        text: &str,
2491        language: Option<Arc<Language>>,
2492        cx: &mut Context<Self>,
2493    ) -> Entity<Buffer> {
2494        if self.is_via_collab() || self.is_via_ssh() {
2495            panic!("called create_local_buffer on a remote project")
2496        }
2497        self.buffer_store.update(cx, |buffer_store, cx| {
2498            buffer_store.create_local_buffer(text, language, cx)
2499        })
2500    }
2501
2502    pub fn open_path(
2503        &mut self,
2504        path: ProjectPath,
2505        cx: &mut Context<Self>,
2506    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2507        let task = self.open_buffer(path.clone(), cx);
2508        cx.spawn(async move |_project, cx| {
2509            let buffer = task.await?;
2510            let project_entry_id = buffer.read_with(cx, |buffer, cx| {
2511                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id(cx))
2512            })?;
2513
2514            Ok((project_entry_id, buffer))
2515        })
2516    }
2517
2518    pub fn open_local_buffer(
2519        &mut self,
2520        abs_path: impl AsRef<Path>,
2521        cx: &mut Context<Self>,
2522    ) -> Task<Result<Entity<Buffer>>> {
2523        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2524        cx.spawn(async move |this, cx| {
2525            let (worktree, relative_path) = worktree_task.await?;
2526            this.update(cx, |this, cx| {
2527                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2528            })?
2529            .await
2530        })
2531    }
2532
2533    #[cfg(any(test, feature = "test-support"))]
2534    pub fn open_local_buffer_with_lsp(
2535        &mut self,
2536        abs_path: impl AsRef<Path>,
2537        cx: &mut Context<Self>,
2538    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2539        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2540            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2541        } else {
2542            Task::ready(Err(anyhow!("no such path")))
2543        }
2544    }
2545
2546    pub fn open_buffer(
2547        &mut self,
2548        path: impl Into<ProjectPath>,
2549        cx: &mut App,
2550    ) -> Task<Result<Entity<Buffer>>> {
2551        if self.is_disconnected(cx) {
2552            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2553        }
2554
2555        self.buffer_store.update(cx, |buffer_store, cx| {
2556            buffer_store.open_buffer(path.into(), cx)
2557        })
2558    }
2559
2560    #[cfg(any(test, feature = "test-support"))]
2561    pub fn open_buffer_with_lsp(
2562        &mut self,
2563        path: impl Into<ProjectPath>,
2564        cx: &mut Context<Self>,
2565    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2566        let buffer = self.open_buffer(path, cx);
2567        cx.spawn(async move |this, cx| {
2568            let buffer = buffer.await?;
2569            let handle = this.update(cx, |project, cx| {
2570                project.register_buffer_with_language_servers(&buffer, cx)
2571            })?;
2572            Ok((buffer, handle))
2573        })
2574    }
2575
2576    pub fn register_buffer_with_language_servers(
2577        &self,
2578        buffer: &Entity<Buffer>,
2579        cx: &mut App,
2580    ) -> OpenLspBufferHandle {
2581        self.lsp_store.update(cx, |lsp_store, cx| {
2582            lsp_store.register_buffer_with_language_servers(&buffer, HashSet::default(), false, cx)
2583        })
2584    }
2585
2586    pub fn open_unstaged_diff(
2587        &mut self,
2588        buffer: Entity<Buffer>,
2589        cx: &mut Context<Self>,
2590    ) -> Task<Result<Entity<BufferDiff>>> {
2591        if self.is_disconnected(cx) {
2592            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2593        }
2594        self.git_store
2595            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2596    }
2597
2598    pub fn open_uncommitted_diff(
2599        &mut self,
2600        buffer: Entity<Buffer>,
2601        cx: &mut Context<Self>,
2602    ) -> Task<Result<Entity<BufferDiff>>> {
2603        if self.is_disconnected(cx) {
2604            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2605        }
2606        self.git_store.update(cx, |git_store, cx| {
2607            git_store.open_uncommitted_diff(buffer, cx)
2608        })
2609    }
2610
2611    pub fn open_buffer_by_id(
2612        &mut self,
2613        id: BufferId,
2614        cx: &mut Context<Self>,
2615    ) -> Task<Result<Entity<Buffer>>> {
2616        if let Some(buffer) = self.buffer_for_id(id, cx) {
2617            Task::ready(Ok(buffer))
2618        } else if self.is_local() || self.is_via_ssh() {
2619            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2620        } else if let Some(project_id) = self.remote_id() {
2621            let request = self.client.request(proto::OpenBufferById {
2622                project_id,
2623                id: id.into(),
2624            });
2625            cx.spawn(async move |project, cx| {
2626                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2627                project
2628                    .update(cx, |project, cx| {
2629                        project.buffer_store.update(cx, |buffer_store, cx| {
2630                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2631                        })
2632                    })?
2633                    .await
2634            })
2635        } else {
2636            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2637        }
2638    }
2639
2640    pub fn save_buffers(
2641        &self,
2642        buffers: HashSet<Entity<Buffer>>,
2643        cx: &mut Context<Self>,
2644    ) -> Task<Result<()>> {
2645        cx.spawn(async move |this, cx| {
2646            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2647                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2648                    .ok()
2649            });
2650            try_join_all(save_tasks).await?;
2651            Ok(())
2652        })
2653    }
2654
2655    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2656        self.buffer_store
2657            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2658    }
2659
2660    pub fn save_buffer_as(
2661        &mut self,
2662        buffer: Entity<Buffer>,
2663        path: ProjectPath,
2664        cx: &mut Context<Self>,
2665    ) -> Task<Result<()>> {
2666        self.buffer_store.update(cx, |buffer_store, cx| {
2667            buffer_store.save_buffer_as(buffer.clone(), path, cx)
2668        })
2669    }
2670
2671    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
2672        self.buffer_store.read(cx).get_by_path(path)
2673    }
2674
2675    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
2676        {
2677            let mut remotely_created_models = self.remotely_created_models.lock();
2678            if remotely_created_models.retain_count > 0 {
2679                remotely_created_models.buffers.push(buffer.clone())
2680            }
2681        }
2682
2683        self.request_buffer_diff_recalculation(buffer, cx);
2684
2685        cx.subscribe(buffer, |this, buffer, event, cx| {
2686            this.on_buffer_event(buffer, event, cx);
2687        })
2688        .detach();
2689
2690        Ok(())
2691    }
2692
2693    pub fn open_image(
2694        &mut self,
2695        path: impl Into<ProjectPath>,
2696        cx: &mut Context<Self>,
2697    ) -> Task<Result<Entity<ImageItem>>> {
2698        if self.is_disconnected(cx) {
2699            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2700        }
2701
2702        let open_image_task = self.image_store.update(cx, |image_store, cx| {
2703            image_store.open_image(path.into(), cx)
2704        });
2705
2706        let weak_project = cx.entity().downgrade();
2707        cx.spawn(async move |_, cx| {
2708            let image_item = open_image_task.await?;
2709            let project = weak_project.upgrade().context("Project dropped")?;
2710
2711            let metadata = ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
2712            image_item.update(cx, |image_item, cx| {
2713                image_item.image_metadata = Some(metadata);
2714                cx.emit(ImageItemEvent::MetadataUpdated);
2715            })?;
2716
2717            Ok(image_item)
2718        })
2719    }
2720
2721    async fn send_buffer_ordered_messages(
2722        project: WeakEntity<Self>,
2723        rx: UnboundedReceiver<BufferOrderedMessage>,
2724        cx: &mut AsyncApp,
2725    ) -> Result<()> {
2726        const MAX_BATCH_SIZE: usize = 128;
2727
2728        let mut operations_by_buffer_id = HashMap::default();
2729        async fn flush_operations(
2730            this: &WeakEntity<Project>,
2731            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
2732            needs_resync_with_host: &mut bool,
2733            is_local: bool,
2734            cx: &mut AsyncApp,
2735        ) -> Result<()> {
2736            for (buffer_id, operations) in operations_by_buffer_id.drain() {
2737                let request = this.read_with(cx, |this, _| {
2738                    let project_id = this.remote_id()?;
2739                    Some(this.client.request(proto::UpdateBuffer {
2740                        buffer_id: buffer_id.into(),
2741                        project_id,
2742                        operations,
2743                    }))
2744                })?;
2745                if let Some(request) = request {
2746                    if request.await.is_err() && !is_local {
2747                        *needs_resync_with_host = true;
2748                        break;
2749                    }
2750                }
2751            }
2752            Ok(())
2753        }
2754
2755        let mut needs_resync_with_host = false;
2756        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2757
2758        while let Some(changes) = changes.next().await {
2759            let is_local = project.read_with(cx, |this, _| this.is_local())?;
2760
2761            for change in changes {
2762                match change {
2763                    BufferOrderedMessage::Operation {
2764                        buffer_id,
2765                        operation,
2766                    } => {
2767                        if needs_resync_with_host {
2768                            continue;
2769                        }
2770
2771                        operations_by_buffer_id
2772                            .entry(buffer_id)
2773                            .or_insert(Vec::new())
2774                            .push(operation);
2775                    }
2776
2777                    BufferOrderedMessage::Resync => {
2778                        operations_by_buffer_id.clear();
2779                        if project
2780                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
2781                            .await
2782                            .is_ok()
2783                        {
2784                            needs_resync_with_host = false;
2785                        }
2786                    }
2787
2788                    BufferOrderedMessage::LanguageServerUpdate {
2789                        language_server_id,
2790                        message,
2791                        name,
2792                    } => {
2793                        flush_operations(
2794                            &project,
2795                            &mut operations_by_buffer_id,
2796                            &mut needs_resync_with_host,
2797                            is_local,
2798                            cx,
2799                        )
2800                        .await?;
2801
2802                        project.read_with(cx, |project, _| {
2803                            if let Some(project_id) = project.remote_id() {
2804                                project
2805                                    .client
2806                                    .send(proto::UpdateLanguageServer {
2807                                        project_id,
2808                                        server_name: name.map(|name| String::from(name.0)),
2809                                        language_server_id: language_server_id.to_proto(),
2810                                        variant: Some(message),
2811                                    })
2812                                    .log_err();
2813                            }
2814                        })?;
2815                    }
2816                }
2817            }
2818
2819            flush_operations(
2820                &project,
2821                &mut operations_by_buffer_id,
2822                &mut needs_resync_with_host,
2823                is_local,
2824                cx,
2825            )
2826            .await?;
2827        }
2828
2829        Ok(())
2830    }
2831
2832    fn on_buffer_store_event(
2833        &mut self,
2834        _: Entity<BufferStore>,
2835        event: &BufferStoreEvent,
2836        cx: &mut Context<Self>,
2837    ) {
2838        match event {
2839            BufferStoreEvent::BufferAdded(buffer) => {
2840                self.register_buffer(buffer, cx).log_err();
2841            }
2842            BufferStoreEvent::BufferDropped(buffer_id) => {
2843                if let Some(ref ssh_client) = self.ssh_client {
2844                    ssh_client
2845                        .read(cx)
2846                        .proto_client()
2847                        .send(proto::CloseBuffer {
2848                            project_id: 0,
2849                            buffer_id: buffer_id.to_proto(),
2850                        })
2851                        .log_err();
2852                }
2853            }
2854            _ => {}
2855        }
2856    }
2857
2858    fn on_image_store_event(
2859        &mut self,
2860        _: Entity<ImageStore>,
2861        event: &ImageStoreEvent,
2862        cx: &mut Context<Self>,
2863    ) {
2864        match event {
2865            ImageStoreEvent::ImageAdded(image) => {
2866                cx.subscribe(image, |this, image, event, cx| {
2867                    this.on_image_event(image, event, cx);
2868                })
2869                .detach();
2870            }
2871        }
2872    }
2873
2874    fn on_dap_store_event(
2875        &mut self,
2876        _: Entity<DapStore>,
2877        event: &DapStoreEvent,
2878        cx: &mut Context<Self>,
2879    ) {
2880        match event {
2881            DapStoreEvent::Notification(message) => {
2882                cx.emit(Event::Toast {
2883                    notification_id: "dap".into(),
2884                    message: message.clone(),
2885                });
2886            }
2887            _ => {}
2888        }
2889    }
2890
2891    fn on_lsp_store_event(
2892        &mut self,
2893        _: Entity<LspStore>,
2894        event: &LspStoreEvent,
2895        cx: &mut Context<Self>,
2896    ) {
2897        match event {
2898            LspStoreEvent::DiagnosticsUpdated {
2899                language_server_id,
2900                path,
2901            } => cx.emit(Event::DiagnosticsUpdated {
2902                path: path.clone(),
2903                language_server_id: *language_server_id,
2904            }),
2905            LspStoreEvent::LanguageServerAdded(language_server_id, name, worktree_id) => cx.emit(
2906                Event::LanguageServerAdded(*language_server_id, name.clone(), *worktree_id),
2907            ),
2908            LspStoreEvent::LanguageServerRemoved(language_server_id) => {
2909                cx.emit(Event::LanguageServerRemoved(*language_server_id))
2910            }
2911            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
2912                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
2913            ),
2914            LspStoreEvent::LanguageDetected {
2915                buffer,
2916                new_language,
2917            } => {
2918                let Some(_) = new_language else {
2919                    cx.emit(Event::LanguageNotFound(buffer.clone()));
2920                    return;
2921                };
2922            }
2923            LspStoreEvent::RefreshInlayHints => cx.emit(Event::RefreshInlayHints),
2924            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
2925            LspStoreEvent::LanguageServerPrompt(prompt) => {
2926                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
2927            }
2928            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
2929                cx.emit(Event::DiskBasedDiagnosticsStarted {
2930                    language_server_id: *language_server_id,
2931                });
2932            }
2933            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
2934                cx.emit(Event::DiskBasedDiagnosticsFinished {
2935                    language_server_id: *language_server_id,
2936                });
2937            }
2938            LspStoreEvent::LanguageServerUpdate {
2939                language_server_id,
2940                name,
2941                message,
2942            } => {
2943                if self.is_local() {
2944                    self.enqueue_buffer_ordered_message(
2945                        BufferOrderedMessage::LanguageServerUpdate {
2946                            language_server_id: *language_server_id,
2947                            message: message.clone(),
2948                            name: name.clone(),
2949                        },
2950                    )
2951                    .ok();
2952                }
2953
2954                match message {
2955                    proto::update_language_server::Variant::MetadataUpdated(update) => {
2956                        if let Some(capabilities) = update
2957                            .capabilities
2958                            .as_ref()
2959                            .and_then(|capabilities| serde_json::from_str(capabilities).ok())
2960                        {
2961                            self.lsp_store.update(cx, |lsp_store, _| {
2962                                lsp_store
2963                                    .lsp_server_capabilities
2964                                    .insert(*language_server_id, capabilities);
2965                            });
2966                        }
2967                    }
2968                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
2969                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
2970                            cx.emit(Event::LanguageServerBufferRegistered {
2971                                buffer_id,
2972                                server_id: *language_server_id,
2973                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
2974                            });
2975                        }
2976                    }
2977                    _ => (),
2978                }
2979            }
2980            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
2981                notification_id: "lsp".into(),
2982                message: message.clone(),
2983            }),
2984            LspStoreEvent::SnippetEdit {
2985                buffer_id,
2986                edits,
2987                most_recent_edit,
2988            } => {
2989                if most_recent_edit.replica_id == self.replica_id() {
2990                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
2991                }
2992            }
2993        }
2994    }
2995
2996    fn on_ssh_event(
2997        &mut self,
2998        _: Entity<SshRemoteClient>,
2999        event: &remote::SshRemoteEvent,
3000        cx: &mut Context<Self>,
3001    ) {
3002        match event {
3003            remote::SshRemoteEvent::Disconnected => {
3004                // if self.is_via_ssh() {
3005                // self.collaborators.clear();
3006                self.worktree_store.update(cx, |store, cx| {
3007                    store.disconnected_from_host(cx);
3008                });
3009                self.buffer_store.update(cx, |buffer_store, cx| {
3010                    buffer_store.disconnected_from_host(cx)
3011                });
3012                self.lsp_store.update(cx, |lsp_store, _cx| {
3013                    lsp_store.disconnected_from_ssh_remote()
3014                });
3015                cx.emit(Event::DisconnectedFromSshRemote);
3016            }
3017        }
3018    }
3019
3020    fn on_settings_observer_event(
3021        &mut self,
3022        _: Entity<SettingsObserver>,
3023        event: &SettingsObserverEvent,
3024        cx: &mut Context<Self>,
3025    ) {
3026        match event {
3027            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3028                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3029                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3030                    cx.emit(Event::Toast {
3031                        notification_id: format!("local-settings-{path:?}").into(),
3032                        message,
3033                    });
3034                }
3035                Ok(path) => cx.emit(Event::HideToast {
3036                    notification_id: format!("local-settings-{path:?}").into(),
3037                }),
3038                Err(_) => {}
3039            },
3040            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3041                Err(InvalidSettingsError::Tasks { message, path }) => {
3042                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3043                    cx.emit(Event::Toast {
3044                        notification_id: format!("local-tasks-{path:?}").into(),
3045                        message,
3046                    });
3047                }
3048                Ok(path) => cx.emit(Event::HideToast {
3049                    notification_id: format!("local-tasks-{path:?}").into(),
3050                }),
3051                Err(_) => {}
3052            },
3053            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3054                Err(InvalidSettingsError::Debug { message, path }) => {
3055                    let message =
3056                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3057                    cx.emit(Event::Toast {
3058                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3059                        message,
3060                    });
3061                }
3062                Ok(path) => cx.emit(Event::HideToast {
3063                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3064                }),
3065                Err(_) => {}
3066            },
3067        }
3068    }
3069
3070    fn on_worktree_store_event(
3071        &mut self,
3072        _: Entity<WorktreeStore>,
3073        event: &WorktreeStoreEvent,
3074        cx: &mut Context<Self>,
3075    ) {
3076        match event {
3077            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3078                self.on_worktree_added(worktree, cx);
3079                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3080            }
3081            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3082                cx.emit(Event::WorktreeRemoved(*id));
3083            }
3084            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3085                self.on_worktree_released(*id, cx);
3086            }
3087            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3088            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3089            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3090                self.client()
3091                    .telemetry()
3092                    .report_discovered_project_type_events(*worktree_id, changes);
3093                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3094            }
3095            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3096                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3097            }
3098            // Listen to the GitStore instead.
3099            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3100        }
3101    }
3102
3103    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3104        let mut remotely_created_models = self.remotely_created_models.lock();
3105        if remotely_created_models.retain_count > 0 {
3106            remotely_created_models.worktrees.push(worktree.clone())
3107        }
3108    }
3109
3110    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3111        if let Some(ssh) = &self.ssh_client {
3112            ssh.read(cx)
3113                .proto_client()
3114                .send(proto::RemoveWorktree {
3115                    worktree_id: id_to_remove.to_proto(),
3116                })
3117                .log_err();
3118        }
3119    }
3120
3121    fn on_buffer_event(
3122        &mut self,
3123        buffer: Entity<Buffer>,
3124        event: &BufferEvent,
3125        cx: &mut Context<Self>,
3126    ) -> Option<()> {
3127        if matches!(event, BufferEvent::Edited { .. } | BufferEvent::Reloaded) {
3128            self.request_buffer_diff_recalculation(&buffer, cx);
3129        }
3130
3131        let buffer_id = buffer.read(cx).remote_id();
3132        match event {
3133            BufferEvent::ReloadNeeded => {
3134                if !self.is_via_collab() {
3135                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3136                        .detach_and_log_err(cx);
3137                }
3138            }
3139            BufferEvent::Operation {
3140                operation,
3141                is_local: true,
3142            } => {
3143                let operation = language::proto::serialize_operation(operation);
3144
3145                if let Some(ssh) = &self.ssh_client {
3146                    ssh.read(cx)
3147                        .proto_client()
3148                        .send(proto::UpdateBuffer {
3149                            project_id: 0,
3150                            buffer_id: buffer_id.to_proto(),
3151                            operations: vec![operation.clone()],
3152                        })
3153                        .ok();
3154                }
3155
3156                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3157                    buffer_id,
3158                    operation,
3159                })
3160                .ok();
3161            }
3162
3163            _ => {}
3164        }
3165
3166        None
3167    }
3168
3169    fn on_image_event(
3170        &mut self,
3171        image: Entity<ImageItem>,
3172        event: &ImageItemEvent,
3173        cx: &mut Context<Self>,
3174    ) -> Option<()> {
3175        match event {
3176            ImageItemEvent::ReloadNeeded => {
3177                if !self.is_via_collab() {
3178                    self.reload_images([image.clone()].into_iter().collect(), cx)
3179                        .detach_and_log_err(cx);
3180                }
3181            }
3182            _ => {}
3183        }
3184
3185        None
3186    }
3187
3188    fn request_buffer_diff_recalculation(
3189        &mut self,
3190        buffer: &Entity<Buffer>,
3191        cx: &mut Context<Self>,
3192    ) {
3193        self.buffers_needing_diff.insert(buffer.downgrade());
3194        let first_insertion = self.buffers_needing_diff.len() == 1;
3195
3196        let settings = ProjectSettings::get_global(cx);
3197        let delay = if let Some(delay) = settings.git.gutter_debounce {
3198            delay
3199        } else {
3200            if first_insertion {
3201                let this = cx.weak_entity();
3202                cx.defer(move |cx| {
3203                    if let Some(this) = this.upgrade() {
3204                        this.update(cx, |this, cx| {
3205                            this.recalculate_buffer_diffs(cx).detach();
3206                        });
3207                    }
3208                });
3209            }
3210            return;
3211        };
3212
3213        const MIN_DELAY: u64 = 50;
3214        let delay = delay.max(MIN_DELAY);
3215        let duration = Duration::from_millis(delay);
3216
3217        self.git_diff_debouncer
3218            .fire_new(duration, cx, move |this, cx| {
3219                this.recalculate_buffer_diffs(cx)
3220            });
3221    }
3222
3223    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3224        cx.spawn(async move |this, cx| {
3225            loop {
3226                let task = this
3227                    .update(cx, |this, cx| {
3228                        let buffers = this
3229                            .buffers_needing_diff
3230                            .drain()
3231                            .filter_map(|buffer| buffer.upgrade())
3232                            .collect::<Vec<_>>();
3233                        if buffers.is_empty() {
3234                            None
3235                        } else {
3236                            Some(this.git_store.update(cx, |git_store, cx| {
3237                                git_store.recalculate_buffer_diffs(buffers, cx)
3238                            }))
3239                        }
3240                    })
3241                    .ok()
3242                    .flatten();
3243
3244                if let Some(task) = task {
3245                    task.await;
3246                } else {
3247                    break;
3248                }
3249            }
3250        })
3251    }
3252
3253    pub fn set_language_for_buffer(
3254        &mut self,
3255        buffer: &Entity<Buffer>,
3256        new_language: Arc<Language>,
3257        cx: &mut Context<Self>,
3258    ) {
3259        self.lsp_store.update(cx, |lsp_store, cx| {
3260            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3261        })
3262    }
3263
3264    pub fn restart_language_servers_for_buffers(
3265        &mut self,
3266        buffers: Vec<Entity<Buffer>>,
3267        only_restart_servers: HashSet<LanguageServerSelector>,
3268        cx: &mut Context<Self>,
3269    ) {
3270        self.lsp_store.update(cx, |lsp_store, cx| {
3271            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3272        })
3273    }
3274
3275    pub fn stop_language_servers_for_buffers(
3276        &mut self,
3277        buffers: Vec<Entity<Buffer>>,
3278        also_restart_servers: HashSet<LanguageServerSelector>,
3279        cx: &mut Context<Self>,
3280    ) {
3281        self.lsp_store
3282            .update(cx, |lsp_store, cx| {
3283                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3284            })
3285            .detach_and_log_err(cx);
3286    }
3287
3288    pub fn cancel_language_server_work_for_buffers(
3289        &mut self,
3290        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3291        cx: &mut Context<Self>,
3292    ) {
3293        self.lsp_store.update(cx, |lsp_store, cx| {
3294            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3295        })
3296    }
3297
3298    pub fn cancel_language_server_work(
3299        &mut self,
3300        server_id: LanguageServerId,
3301        token_to_cancel: Option<String>,
3302        cx: &mut Context<Self>,
3303    ) {
3304        self.lsp_store.update(cx, |lsp_store, cx| {
3305            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3306        })
3307    }
3308
3309    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3310        self.buffer_ordered_messages_tx
3311            .unbounded_send(message)
3312            .map_err(|e| anyhow!(e))
3313    }
3314
3315    pub fn available_toolchains(
3316        &self,
3317        path: ProjectPath,
3318        language_name: LanguageName,
3319        cx: &App,
3320    ) -> Task<Option<(ToolchainList, Arc<Path>)>> {
3321        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3322            cx.spawn(async move |cx| {
3323                toolchain_store
3324                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3325                    .ok()?
3326                    .await
3327            })
3328        } else {
3329            Task::ready(None)
3330        }
3331    }
3332
3333    pub async fn toolchain_term(
3334        languages: Arc<LanguageRegistry>,
3335        language_name: LanguageName,
3336    ) -> Option<SharedString> {
3337        languages
3338            .language_for_name(language_name.as_ref())
3339            .await
3340            .ok()?
3341            .toolchain_lister()
3342            .map(|lister| lister.term())
3343    }
3344
3345    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3346        self.toolchain_store.clone()
3347    }
3348    pub fn activate_toolchain(
3349        &self,
3350        path: ProjectPath,
3351        toolchain: Toolchain,
3352        cx: &mut App,
3353    ) -> Task<Option<()>> {
3354        let Some(toolchain_store) = self.toolchain_store.clone() else {
3355            return Task::ready(None);
3356        };
3357        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3358    }
3359    pub fn active_toolchain(
3360        &self,
3361        path: ProjectPath,
3362        language_name: LanguageName,
3363        cx: &App,
3364    ) -> Task<Option<Toolchain>> {
3365        let Some(toolchain_store) = self.toolchain_store.clone() else {
3366            return Task::ready(None);
3367        };
3368        toolchain_store
3369            .read(cx)
3370            .active_toolchain(path, language_name, cx)
3371    }
3372    pub fn language_server_statuses<'a>(
3373        &'a self,
3374        cx: &'a App,
3375    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3376        self.lsp_store.read(cx).language_server_statuses()
3377    }
3378
3379    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3380        self.lsp_store.read(cx).last_formatting_failure()
3381    }
3382
3383    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3384        self.lsp_store
3385            .update(cx, |store, _| store.reset_last_formatting_failure());
3386    }
3387
3388    pub fn reload_buffers(
3389        &self,
3390        buffers: HashSet<Entity<Buffer>>,
3391        push_to_history: bool,
3392        cx: &mut Context<Self>,
3393    ) -> Task<Result<ProjectTransaction>> {
3394        self.buffer_store.update(cx, |buffer_store, cx| {
3395            buffer_store.reload_buffers(buffers, push_to_history, cx)
3396        })
3397    }
3398
3399    pub fn reload_images(
3400        &self,
3401        images: HashSet<Entity<ImageItem>>,
3402        cx: &mut Context<Self>,
3403    ) -> Task<Result<()>> {
3404        self.image_store
3405            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3406    }
3407
3408    pub fn format(
3409        &mut self,
3410        buffers: HashSet<Entity<Buffer>>,
3411        target: LspFormatTarget,
3412        push_to_history: bool,
3413        trigger: lsp_store::FormatTrigger,
3414        cx: &mut Context<Project>,
3415    ) -> Task<anyhow::Result<ProjectTransaction>> {
3416        self.lsp_store.update(cx, |lsp_store, cx| {
3417            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3418        })
3419    }
3420
3421    pub fn definitions<T: ToPointUtf16>(
3422        &mut self,
3423        buffer: &Entity<Buffer>,
3424        position: T,
3425        cx: &mut Context<Self>,
3426    ) -> Task<Result<Vec<LocationLink>>> {
3427        let position = position.to_point_utf16(buffer.read(cx));
3428        let guard = self.retain_remotely_created_models(cx);
3429        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3430            lsp_store.definitions(buffer, position, cx)
3431        });
3432        cx.background_spawn(async move {
3433            let result = task.await;
3434            drop(guard);
3435            result
3436        })
3437    }
3438
3439    pub fn declarations<T: ToPointUtf16>(
3440        &mut self,
3441        buffer: &Entity<Buffer>,
3442        position: T,
3443        cx: &mut Context<Self>,
3444    ) -> Task<Result<Vec<LocationLink>>> {
3445        let position = position.to_point_utf16(buffer.read(cx));
3446        let guard = self.retain_remotely_created_models(cx);
3447        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3448            lsp_store.declarations(buffer, position, cx)
3449        });
3450        cx.background_spawn(async move {
3451            let result = task.await;
3452            drop(guard);
3453            result
3454        })
3455    }
3456
3457    pub fn type_definitions<T: ToPointUtf16>(
3458        &mut self,
3459        buffer: &Entity<Buffer>,
3460        position: T,
3461        cx: &mut Context<Self>,
3462    ) -> Task<Result<Vec<LocationLink>>> {
3463        let position = position.to_point_utf16(buffer.read(cx));
3464        let guard = self.retain_remotely_created_models(cx);
3465        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3466            lsp_store.type_definitions(buffer, position, cx)
3467        });
3468        cx.background_spawn(async move {
3469            let result = task.await;
3470            drop(guard);
3471            result
3472        })
3473    }
3474
3475    pub fn implementations<T: ToPointUtf16>(
3476        &mut self,
3477        buffer: &Entity<Buffer>,
3478        position: T,
3479        cx: &mut Context<Self>,
3480    ) -> Task<Result<Vec<LocationLink>>> {
3481        let position = position.to_point_utf16(buffer.read(cx));
3482        let guard = self.retain_remotely_created_models(cx);
3483        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3484            lsp_store.implementations(buffer, position, cx)
3485        });
3486        cx.background_spawn(async move {
3487            let result = task.await;
3488            drop(guard);
3489            result
3490        })
3491    }
3492
3493    pub fn references<T: ToPointUtf16>(
3494        &mut self,
3495        buffer: &Entity<Buffer>,
3496        position: T,
3497        cx: &mut Context<Self>,
3498    ) -> Task<Result<Vec<Location>>> {
3499        let position = position.to_point_utf16(buffer.read(cx));
3500        let guard = self.retain_remotely_created_models(cx);
3501        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3502            lsp_store.references(buffer, position, cx)
3503        });
3504        cx.background_spawn(async move {
3505            let result = task.await;
3506            drop(guard);
3507            result
3508        })
3509    }
3510
3511    pub fn document_highlights<T: ToPointUtf16>(
3512        &mut self,
3513        buffer: &Entity<Buffer>,
3514        position: T,
3515        cx: &mut Context<Self>,
3516    ) -> Task<Result<Vec<DocumentHighlight>>> {
3517        let position = position.to_point_utf16(buffer.read(cx));
3518        self.request_lsp(
3519            buffer.clone(),
3520            LanguageServerToQuery::FirstCapable,
3521            GetDocumentHighlights { position },
3522            cx,
3523        )
3524    }
3525
3526    pub fn document_symbols(
3527        &mut self,
3528        buffer: &Entity<Buffer>,
3529        cx: &mut Context<Self>,
3530    ) -> Task<Result<Vec<DocumentSymbol>>> {
3531        self.request_lsp(
3532            buffer.clone(),
3533            LanguageServerToQuery::FirstCapable,
3534            GetDocumentSymbols,
3535            cx,
3536        )
3537    }
3538
3539    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3540        self.lsp_store
3541            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3542    }
3543
3544    pub fn open_buffer_for_symbol(
3545        &mut self,
3546        symbol: &Symbol,
3547        cx: &mut Context<Self>,
3548    ) -> Task<Result<Entity<Buffer>>> {
3549        self.lsp_store.update(cx, |lsp_store, cx| {
3550            lsp_store.open_buffer_for_symbol(symbol, cx)
3551        })
3552    }
3553
3554    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
3555        let guard = self.retain_remotely_created_models(cx);
3556        let Some(ssh_client) = self.ssh_client.as_ref() else {
3557            return Task::ready(Err(anyhow!("not an ssh project")));
3558        };
3559
3560        let proto_client = ssh_client.read(cx).proto_client();
3561
3562        cx.spawn(async move |project, cx| {
3563            let buffer = proto_client
3564                .request(proto::OpenServerSettings {
3565                    project_id: SSH_PROJECT_ID,
3566                })
3567                .await?;
3568
3569            let buffer = project
3570                .update(cx, |project, cx| {
3571                    project.buffer_store.update(cx, |buffer_store, cx| {
3572                        anyhow::Ok(
3573                            buffer_store
3574                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
3575                        )
3576                    })
3577                })??
3578                .await;
3579
3580            drop(guard);
3581            buffer
3582        })
3583    }
3584
3585    pub fn open_local_buffer_via_lsp(
3586        &mut self,
3587        abs_path: lsp::Url,
3588        language_server_id: LanguageServerId,
3589        language_server_name: LanguageServerName,
3590        cx: &mut Context<Self>,
3591    ) -> Task<Result<Entity<Buffer>>> {
3592        self.lsp_store.update(cx, |lsp_store, cx| {
3593            lsp_store.open_local_buffer_via_lsp(
3594                abs_path,
3595                language_server_id,
3596                language_server_name,
3597                cx,
3598            )
3599        })
3600    }
3601
3602    pub fn signature_help<T: ToPointUtf16>(
3603        &self,
3604        buffer: &Entity<Buffer>,
3605        position: T,
3606        cx: &mut Context<Self>,
3607    ) -> Task<Vec<SignatureHelp>> {
3608        self.lsp_store.update(cx, |lsp_store, cx| {
3609            lsp_store.signature_help(buffer, position, cx)
3610        })
3611    }
3612
3613    pub fn hover<T: ToPointUtf16>(
3614        &self,
3615        buffer: &Entity<Buffer>,
3616        position: T,
3617        cx: &mut Context<Self>,
3618    ) -> Task<Vec<Hover>> {
3619        let position = position.to_point_utf16(buffer.read(cx));
3620        self.lsp_store
3621            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
3622    }
3623
3624    pub fn linked_edits(
3625        &self,
3626        buffer: &Entity<Buffer>,
3627        position: Anchor,
3628        cx: &mut Context<Self>,
3629    ) -> Task<Result<Vec<Range<Anchor>>>> {
3630        self.lsp_store.update(cx, |lsp_store, cx| {
3631            lsp_store.linked_edits(buffer, position, cx)
3632        })
3633    }
3634
3635    pub fn completions<T: ToOffset + ToPointUtf16>(
3636        &self,
3637        buffer: &Entity<Buffer>,
3638        position: T,
3639        context: CompletionContext,
3640        cx: &mut Context<Self>,
3641    ) -> Task<Result<Vec<CompletionResponse>>> {
3642        let position = position.to_point_utf16(buffer.read(cx));
3643        self.lsp_store.update(cx, |lsp_store, cx| {
3644            lsp_store.completions(buffer, position, context, cx)
3645        })
3646    }
3647
3648    pub fn code_actions<T: Clone + ToOffset>(
3649        &mut self,
3650        buffer_handle: &Entity<Buffer>,
3651        range: Range<T>,
3652        kinds: Option<Vec<CodeActionKind>>,
3653        cx: &mut Context<Self>,
3654    ) -> Task<Result<Vec<CodeAction>>> {
3655        let buffer = buffer_handle.read(cx);
3656        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3657        self.lsp_store.update(cx, |lsp_store, cx| {
3658            lsp_store.code_actions(buffer_handle, range, kinds, cx)
3659        })
3660    }
3661
3662    pub fn code_lens_actions<T: Clone + ToOffset>(
3663        &mut self,
3664        buffer: &Entity<Buffer>,
3665        range: Range<T>,
3666        cx: &mut Context<Self>,
3667    ) -> Task<Result<Vec<CodeAction>>> {
3668        let snapshot = buffer.read(cx).snapshot();
3669        let range = range.clone().to_owned().to_point(&snapshot);
3670        let range_start = snapshot.anchor_before(range.start);
3671        let range_end = if range.start == range.end {
3672            range_start
3673        } else {
3674            snapshot.anchor_after(range.end)
3675        };
3676        let range = range_start..range_end;
3677        let code_lens_actions = self
3678            .lsp_store
3679            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
3680
3681        cx.background_spawn(async move {
3682            let mut code_lens_actions = code_lens_actions
3683                .await
3684                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
3685            code_lens_actions.retain(|code_lens_action| {
3686                range
3687                    .start
3688                    .cmp(&code_lens_action.range.start, &snapshot)
3689                    .is_ge()
3690                    && range
3691                        .end
3692                        .cmp(&code_lens_action.range.end, &snapshot)
3693                        .is_le()
3694            });
3695            Ok(code_lens_actions)
3696        })
3697    }
3698
3699    pub fn apply_code_action(
3700        &self,
3701        buffer_handle: Entity<Buffer>,
3702        action: CodeAction,
3703        push_to_history: bool,
3704        cx: &mut Context<Self>,
3705    ) -> Task<Result<ProjectTransaction>> {
3706        self.lsp_store.update(cx, |lsp_store, cx| {
3707            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
3708        })
3709    }
3710
3711    pub fn apply_code_action_kind(
3712        &self,
3713        buffers: HashSet<Entity<Buffer>>,
3714        kind: CodeActionKind,
3715        push_to_history: bool,
3716        cx: &mut Context<Self>,
3717    ) -> Task<Result<ProjectTransaction>> {
3718        self.lsp_store.update(cx, |lsp_store, cx| {
3719            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
3720        })
3721    }
3722
3723    pub fn prepare_rename<T: ToPointUtf16>(
3724        &mut self,
3725        buffer: Entity<Buffer>,
3726        position: T,
3727        cx: &mut Context<Self>,
3728    ) -> Task<Result<PrepareRenameResponse>> {
3729        let position = position.to_point_utf16(buffer.read(cx));
3730        self.request_lsp(
3731            buffer,
3732            LanguageServerToQuery::FirstCapable,
3733            PrepareRename { position },
3734            cx,
3735        )
3736    }
3737
3738    pub fn perform_rename<T: ToPointUtf16>(
3739        &mut self,
3740        buffer: Entity<Buffer>,
3741        position: T,
3742        new_name: String,
3743        cx: &mut Context<Self>,
3744    ) -> Task<Result<ProjectTransaction>> {
3745        let push_to_history = true;
3746        let position = position.to_point_utf16(buffer.read(cx));
3747        self.request_lsp(
3748            buffer,
3749            LanguageServerToQuery::FirstCapable,
3750            PerformRename {
3751                position,
3752                new_name,
3753                push_to_history,
3754            },
3755            cx,
3756        )
3757    }
3758
3759    pub fn on_type_format<T: ToPointUtf16>(
3760        &mut self,
3761        buffer: Entity<Buffer>,
3762        position: T,
3763        trigger: String,
3764        push_to_history: bool,
3765        cx: &mut Context<Self>,
3766    ) -> Task<Result<Option<Transaction>>> {
3767        self.lsp_store.update(cx, |lsp_store, cx| {
3768            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
3769        })
3770    }
3771
3772    pub fn inline_values(
3773        &mut self,
3774        session: Entity<Session>,
3775        active_stack_frame: ActiveStackFrame,
3776        buffer_handle: Entity<Buffer>,
3777        range: Range<text::Anchor>,
3778        cx: &mut Context<Self>,
3779    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3780        let snapshot = buffer_handle.read(cx).snapshot();
3781
3782        let captures = snapshot.debug_variables_query(Anchor::MIN..range.end);
3783
3784        let row = snapshot
3785            .summary_for_anchor::<text::PointUtf16>(&range.end)
3786            .row as usize;
3787
3788        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
3789
3790        let stack_frame_id = active_stack_frame.stack_frame_id;
3791        cx.spawn(async move |this, cx| {
3792            this.update(cx, |project, cx| {
3793                project.dap_store().update(cx, |dap_store, cx| {
3794                    dap_store.resolve_inline_value_locations(
3795                        session,
3796                        stack_frame_id,
3797                        buffer_handle,
3798                        inline_value_locations,
3799                        cx,
3800                    )
3801                })
3802            })?
3803            .await
3804        })
3805    }
3806
3807    pub fn inlay_hints<T: ToOffset>(
3808        &mut self,
3809        buffer_handle: Entity<Buffer>,
3810        range: Range<T>,
3811        cx: &mut Context<Self>,
3812    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3813        let buffer = buffer_handle.read(cx);
3814        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3815        self.lsp_store.update(cx, |lsp_store, cx| {
3816            lsp_store.inlay_hints(buffer_handle, range, cx)
3817        })
3818    }
3819
3820    pub fn resolve_inlay_hint(
3821        &self,
3822        hint: InlayHint,
3823        buffer_handle: Entity<Buffer>,
3824        server_id: LanguageServerId,
3825        cx: &mut Context<Self>,
3826    ) -> Task<anyhow::Result<InlayHint>> {
3827        self.lsp_store.update(cx, |lsp_store, cx| {
3828            lsp_store.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
3829        })
3830    }
3831
3832    pub fn update_diagnostics(
3833        &mut self,
3834        language_server_id: LanguageServerId,
3835        source_kind: DiagnosticSourceKind,
3836        result_id: Option<String>,
3837        params: lsp::PublishDiagnosticsParams,
3838        disk_based_sources: &[String],
3839        cx: &mut Context<Self>,
3840    ) -> Result<(), anyhow::Error> {
3841        self.lsp_store.update(cx, |lsp_store, cx| {
3842            lsp_store.update_diagnostics(
3843                language_server_id,
3844                params,
3845                result_id,
3846                source_kind,
3847                disk_based_sources,
3848                cx,
3849            )
3850        })
3851    }
3852
3853    pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
3854        let (result_tx, result_rx) = smol::channel::unbounded();
3855
3856        let matching_buffers_rx = if query.is_opened_only() {
3857            self.sort_search_candidates(&query, cx)
3858        } else {
3859            self.find_search_candidate_buffers(&query, MAX_SEARCH_RESULT_FILES + 1, cx)
3860        };
3861
3862        cx.spawn(async move |_, cx| {
3863            let mut range_count = 0;
3864            let mut buffer_count = 0;
3865            let mut limit_reached = false;
3866            let query = Arc::new(query);
3867            let chunks = matching_buffers_rx.ready_chunks(64);
3868
3869            // Now that we know what paths match the query, we will load at most
3870            // 64 buffers at a time to avoid overwhelming the main thread. For each
3871            // opened buffer, we will spawn a background task that retrieves all the
3872            // ranges in the buffer matched by the query.
3873            let mut chunks = pin!(chunks);
3874            'outer: while let Some(matching_buffer_chunk) = chunks.next().await {
3875                let mut chunk_results = Vec::with_capacity(matching_buffer_chunk.len());
3876                for buffer in matching_buffer_chunk {
3877                    let query = query.clone();
3878                    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
3879                    chunk_results.push(cx.background_spawn(async move {
3880                        let ranges = query
3881                            .search(&snapshot, None)
3882                            .await
3883                            .iter()
3884                            .map(|range| {
3885                                snapshot.anchor_before(range.start)
3886                                    ..snapshot.anchor_after(range.end)
3887                            })
3888                            .collect::<Vec<_>>();
3889                        anyhow::Ok((buffer, ranges))
3890                    }));
3891                }
3892
3893                let chunk_results = futures::future::join_all(chunk_results).await;
3894                for result in chunk_results {
3895                    if let Some((buffer, ranges)) = result.log_err() {
3896                        range_count += ranges.len();
3897                        buffer_count += 1;
3898                        result_tx
3899                            .send(SearchResult::Buffer { buffer, ranges })
3900                            .await?;
3901                        if buffer_count > MAX_SEARCH_RESULT_FILES
3902                            || range_count > MAX_SEARCH_RESULT_RANGES
3903                        {
3904                            limit_reached = true;
3905                            break 'outer;
3906                        }
3907                    }
3908                }
3909            }
3910
3911            if limit_reached {
3912                result_tx.send(SearchResult::LimitReached).await?;
3913            }
3914
3915            anyhow::Ok(())
3916        })
3917        .detach();
3918
3919        result_rx
3920    }
3921
3922    fn find_search_candidate_buffers(
3923        &mut self,
3924        query: &SearchQuery,
3925        limit: usize,
3926        cx: &mut Context<Project>,
3927    ) -> Receiver<Entity<Buffer>> {
3928        if self.is_local() {
3929            let fs = self.fs.clone();
3930            self.buffer_store.update(cx, |buffer_store, cx| {
3931                buffer_store.find_search_candidates(query, limit, fs, cx)
3932            })
3933        } else {
3934            self.find_search_candidates_remote(query, limit, cx)
3935        }
3936    }
3937
3938    fn sort_search_candidates(
3939        &mut self,
3940        search_query: &SearchQuery,
3941        cx: &mut Context<Project>,
3942    ) -> Receiver<Entity<Buffer>> {
3943        let worktree_store = self.worktree_store.read(cx);
3944        let mut buffers = search_query
3945            .buffers()
3946            .into_iter()
3947            .flatten()
3948            .filter(|buffer| {
3949                let b = buffer.read(cx);
3950                if let Some(file) = b.file() {
3951                    if !search_query.match_path(file.path()) {
3952                        return false;
3953                    }
3954                    if let Some(entry) = b
3955                        .entry_id(cx)
3956                        .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
3957                    {
3958                        if entry.is_ignored && !search_query.include_ignored() {
3959                            return false;
3960                        }
3961                    }
3962                }
3963                true
3964            })
3965            .collect::<Vec<_>>();
3966        let (tx, rx) = smol::channel::unbounded();
3967        buffers.sort_by(|a, b| match (a.read(cx).file(), b.read(cx).file()) {
3968            (None, None) => a.read(cx).remote_id().cmp(&b.read(cx).remote_id()),
3969            (None, Some(_)) => std::cmp::Ordering::Less,
3970            (Some(_), None) => std::cmp::Ordering::Greater,
3971            (Some(a), Some(b)) => compare_paths((a.path(), true), (b.path(), true)),
3972        });
3973        for buffer in buffers {
3974            tx.send_blocking(buffer.clone()).unwrap()
3975        }
3976
3977        rx
3978    }
3979
3980    fn find_search_candidates_remote(
3981        &mut self,
3982        query: &SearchQuery,
3983        limit: usize,
3984        cx: &mut Context<Project>,
3985    ) -> Receiver<Entity<Buffer>> {
3986        let (tx, rx) = smol::channel::unbounded();
3987
3988        let (client, remote_id): (AnyProtoClient, _) = if let Some(ssh_client) = &self.ssh_client {
3989            (ssh_client.read(cx).proto_client(), 0)
3990        } else if let Some(remote_id) = self.remote_id() {
3991            (self.client.clone().into(), remote_id)
3992        } else {
3993            return rx;
3994        };
3995
3996        let request = client.request(proto::FindSearchCandidates {
3997            project_id: remote_id,
3998            query: Some(query.to_proto()),
3999            limit: limit as _,
4000        });
4001        let guard = self.retain_remotely_created_models(cx);
4002
4003        cx.spawn(async move |project, cx| {
4004            let response = request.await?;
4005            for buffer_id in response.buffer_ids {
4006                let buffer_id = BufferId::new(buffer_id)?;
4007                let buffer = project
4008                    .update(cx, |project, cx| {
4009                        project.buffer_store.update(cx, |buffer_store, cx| {
4010                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
4011                        })
4012                    })?
4013                    .await?;
4014                let _ = tx.send(buffer).await;
4015            }
4016
4017            drop(guard);
4018            anyhow::Ok(())
4019        })
4020        .detach_and_log_err(cx);
4021        rx
4022    }
4023
4024    pub fn request_lsp<R: LspCommand>(
4025        &mut self,
4026        buffer_handle: Entity<Buffer>,
4027        server: LanguageServerToQuery,
4028        request: R,
4029        cx: &mut Context<Self>,
4030    ) -> Task<Result<R::Response>>
4031    where
4032        <R::LspRequest as lsp::request::Request>::Result: Send,
4033        <R::LspRequest as lsp::request::Request>::Params: Send,
4034    {
4035        let guard = self.retain_remotely_created_models(cx);
4036        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4037            lsp_store.request_lsp(buffer_handle, server, request, cx)
4038        });
4039        cx.background_spawn(async move {
4040            let result = task.await;
4041            drop(guard);
4042            result
4043        })
4044    }
4045
4046    /// Move a worktree to a new position in the worktree order.
4047    ///
4048    /// The worktree will moved to the opposite side of the destination worktree.
4049    ///
4050    /// # Example
4051    ///
4052    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4053    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4054    ///
4055    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4056    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4057    ///
4058    /// # Errors
4059    ///
4060    /// An error will be returned if the worktree or destination worktree are not found.
4061    pub fn move_worktree(
4062        &mut self,
4063        source: WorktreeId,
4064        destination: WorktreeId,
4065        cx: &mut Context<Self>,
4066    ) -> Result<()> {
4067        self.worktree_store.update(cx, |worktree_store, cx| {
4068            worktree_store.move_worktree(source, destination, cx)
4069        })
4070    }
4071
4072    pub fn find_or_create_worktree(
4073        &mut self,
4074        abs_path: impl AsRef<Path>,
4075        visible: bool,
4076        cx: &mut Context<Self>,
4077    ) -> Task<Result<(Entity<Worktree>, PathBuf)>> {
4078        self.worktree_store.update(cx, |worktree_store, cx| {
4079            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4080        })
4081    }
4082
4083    pub fn find_worktree(&self, abs_path: &Path, cx: &App) -> Option<(Entity<Worktree>, PathBuf)> {
4084        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4085    }
4086
4087    pub fn is_shared(&self) -> bool {
4088        match &self.client_state {
4089            ProjectClientState::Shared { .. } => true,
4090            ProjectClientState::Local => false,
4091            ProjectClientState::Remote { .. } => true,
4092        }
4093    }
4094
4095    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4096    pub fn resolve_path_in_buffer(
4097        &self,
4098        path: &str,
4099        buffer: &Entity<Buffer>,
4100        cx: &mut Context<Self>,
4101    ) -> Task<Option<ResolvedPath>> {
4102        let path_buf = PathBuf::from(path);
4103        if path_buf.is_absolute() || path.starts_with("~") {
4104            self.resolve_abs_path(path, cx)
4105        } else {
4106            self.resolve_path_in_worktrees(path_buf, buffer, cx)
4107        }
4108    }
4109
4110    pub fn resolve_abs_file_path(
4111        &self,
4112        path: &str,
4113        cx: &mut Context<Self>,
4114    ) -> Task<Option<ResolvedPath>> {
4115        let resolve_task = self.resolve_abs_path(path, cx);
4116        cx.background_spawn(async move {
4117            let resolved_path = resolve_task.await;
4118            resolved_path.filter(|path| path.is_file())
4119        })
4120    }
4121
4122    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4123        if self.is_local() {
4124            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4125            let fs = self.fs.clone();
4126            cx.background_spawn(async move {
4127                let path = expanded.as_path();
4128                let metadata = fs.metadata(path).await.ok().flatten();
4129
4130                metadata.map(|metadata| ResolvedPath::AbsPath {
4131                    path: expanded,
4132                    is_dir: metadata.is_dir,
4133                })
4134            })
4135        } else if let Some(ssh_client) = self.ssh_client.as_ref() {
4136            let path_style = ssh_client.read(cx).path_style();
4137            let request_path = RemotePathBuf::from_str(path, path_style);
4138            let request = ssh_client
4139                .read(cx)
4140                .proto_client()
4141                .request(proto::GetPathMetadata {
4142                    project_id: SSH_PROJECT_ID,
4143                    path: request_path.to_proto(),
4144                });
4145            cx.background_spawn(async move {
4146                let response = request.await.log_err()?;
4147                if response.exists {
4148                    Some(ResolvedPath::AbsPath {
4149                        path: PathBuf::from_proto(response.path),
4150                        is_dir: response.is_dir,
4151                    })
4152                } else {
4153                    None
4154                }
4155            })
4156        } else {
4157            return Task::ready(None);
4158        }
4159    }
4160
4161    fn resolve_path_in_worktrees(
4162        &self,
4163        path: PathBuf,
4164        buffer: &Entity<Buffer>,
4165        cx: &mut Context<Self>,
4166    ) -> Task<Option<ResolvedPath>> {
4167        let mut candidates = vec![path.clone()];
4168
4169        if let Some(file) = buffer.read(cx).file() {
4170            if let Some(dir) = file.path().parent() {
4171                let joined = dir.to_path_buf().join(path);
4172                candidates.push(joined);
4173            }
4174        }
4175
4176        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4177        let worktrees_with_ids: Vec<_> = self
4178            .worktrees(cx)
4179            .map(|worktree| {
4180                let id = worktree.read(cx).id();
4181                (worktree, id)
4182            })
4183            .collect();
4184
4185        cx.spawn(async move |_, mut cx| {
4186            if let Some(buffer_worktree_id) = buffer_worktree_id {
4187                if let Some((worktree, _)) = worktrees_with_ids
4188                    .iter()
4189                    .find(|(_, id)| *id == buffer_worktree_id)
4190                {
4191                    for candidate in candidates.iter() {
4192                        if let Some(path) =
4193                            Self::resolve_path_in_worktree(&worktree, candidate, &mut cx)
4194                        {
4195                            return Some(path);
4196                        }
4197                    }
4198                }
4199            }
4200            for (worktree, id) in worktrees_with_ids {
4201                if Some(id) == buffer_worktree_id {
4202                    continue;
4203                }
4204                for candidate in candidates.iter() {
4205                    if let Some(path) =
4206                        Self::resolve_path_in_worktree(&worktree, candidate, &mut cx)
4207                    {
4208                        return Some(path);
4209                    }
4210                }
4211            }
4212            None
4213        })
4214    }
4215
4216    fn resolve_path_in_worktree(
4217        worktree: &Entity<Worktree>,
4218        path: &PathBuf,
4219        cx: &mut AsyncApp,
4220    ) -> Option<ResolvedPath> {
4221        worktree
4222            .read_with(cx, |worktree, _| {
4223                let root_entry_path = &worktree.root_entry()?.path;
4224                let resolved = resolve_path(root_entry_path, path);
4225                let stripped = resolved.strip_prefix(root_entry_path).unwrap_or(&resolved);
4226                worktree.entry_for_path(stripped).map(|entry| {
4227                    let project_path = ProjectPath {
4228                        worktree_id: worktree.id(),
4229                        path: entry.path.clone(),
4230                    };
4231                    ResolvedPath::ProjectPath {
4232                        project_path,
4233                        is_dir: entry.is_dir(),
4234                    }
4235                })
4236            })
4237            .ok()?
4238    }
4239
4240    pub fn list_directory(
4241        &self,
4242        query: String,
4243        cx: &mut Context<Self>,
4244    ) -> Task<Result<Vec<DirectoryItem>>> {
4245        if self.is_local() {
4246            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4247        } else if let Some(session) = self.ssh_client.as_ref() {
4248            let path_buf = PathBuf::from(query);
4249            let request = proto::ListRemoteDirectory {
4250                dev_server_id: SSH_PROJECT_ID,
4251                path: path_buf.to_proto(),
4252                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4253            };
4254
4255            let response = session.read(cx).proto_client().request(request);
4256            cx.background_spawn(async move {
4257                let proto::ListRemoteDirectoryResponse {
4258                    entries,
4259                    entry_info,
4260                } = response.await?;
4261                Ok(entries
4262                    .into_iter()
4263                    .zip(entry_info)
4264                    .map(|(entry, info)| DirectoryItem {
4265                        path: PathBuf::from(entry),
4266                        is_dir: info.is_dir,
4267                    })
4268                    .collect())
4269            })
4270        } else {
4271            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4272        }
4273    }
4274
4275    pub fn create_worktree(
4276        &mut self,
4277        abs_path: impl AsRef<Path>,
4278        visible: bool,
4279        cx: &mut Context<Self>,
4280    ) -> Task<Result<Entity<Worktree>>> {
4281        self.worktree_store.update(cx, |worktree_store, cx| {
4282            worktree_store.create_worktree(abs_path, visible, cx)
4283        })
4284    }
4285
4286    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4287        self.worktree_store.update(cx, |worktree_store, cx| {
4288            worktree_store.remove_worktree(id_to_remove, cx);
4289        });
4290    }
4291
4292    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4293        self.worktree_store.update(cx, |worktree_store, cx| {
4294            worktree_store.add(worktree, cx);
4295        });
4296    }
4297
4298    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4299        let new_active_entry = entry.and_then(|project_path| {
4300            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4301            let entry = worktree.read(cx).entry_for_path(project_path.path)?;
4302            Some(entry.id)
4303        });
4304        if new_active_entry != self.active_entry {
4305            self.active_entry = new_active_entry;
4306            self.lsp_store.update(cx, |lsp_store, _| {
4307                lsp_store.set_active_entry(new_active_entry);
4308            });
4309            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4310        }
4311    }
4312
4313    pub fn language_servers_running_disk_based_diagnostics<'a>(
4314        &'a self,
4315        cx: &'a App,
4316    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4317        self.lsp_store
4318            .read(cx)
4319            .language_servers_running_disk_based_diagnostics()
4320    }
4321
4322    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4323        self.lsp_store
4324            .read(cx)
4325            .diagnostic_summary(include_ignored, cx)
4326    }
4327
4328    pub fn diagnostic_summaries<'a>(
4329        &'a self,
4330        include_ignored: bool,
4331        cx: &'a App,
4332    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4333        self.lsp_store
4334            .read(cx)
4335            .diagnostic_summaries(include_ignored, cx)
4336    }
4337
4338    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4339        self.active_entry
4340    }
4341
4342    pub fn entry_for_path(&self, path: &ProjectPath, cx: &App) -> Option<Entry> {
4343        self.worktree_store.read(cx).entry_for_path(path, cx)
4344    }
4345
4346    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4347        let worktree = self.worktree_for_entry(entry_id, cx)?;
4348        let worktree = worktree.read(cx);
4349        let worktree_id = worktree.id();
4350        let path = worktree.entry_for_id(entry_id)?.path.clone();
4351        Some(ProjectPath { worktree_id, path })
4352    }
4353
4354    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4355        self.worktree_for_id(project_path.worktree_id, cx)?
4356            .read(cx)
4357            .absolutize(&project_path.path)
4358            .ok()
4359    }
4360
4361    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4362    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4363    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4364    /// the first visible worktree that has an entry for that relative path.
4365    ///
4366    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4367    /// root name from paths.
4368    ///
4369    /// # Arguments
4370    ///
4371    /// * `path` - A full path that starts with a worktree root name, or alternatively a
4372    ///            relative path within a visible worktree.
4373    /// * `cx` - A reference to the `AppContext`.
4374    ///
4375    /// # Returns
4376    ///
4377    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4378    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4379        let path = path.as_ref();
4380        let worktree_store = self.worktree_store.read(cx);
4381
4382        if path.is_absolute() {
4383            for worktree in worktree_store.visible_worktrees(cx) {
4384                let worktree_abs_path = worktree.read(cx).abs_path();
4385
4386                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path) {
4387                    return Some(ProjectPath {
4388                        worktree_id: worktree.read(cx).id(),
4389                        path: relative_path.into(),
4390                    });
4391                }
4392            }
4393        } else {
4394            for worktree in worktree_store.visible_worktrees(cx) {
4395                let worktree_root_name = worktree.read(cx).root_name();
4396                if let Ok(relative_path) = path.strip_prefix(worktree_root_name) {
4397                    return Some(ProjectPath {
4398                        worktree_id: worktree.read(cx).id(),
4399                        path: relative_path.into(),
4400                    });
4401                }
4402            }
4403
4404            for worktree in worktree_store.visible_worktrees(cx) {
4405                let worktree = worktree.read(cx);
4406                if let Some(entry) = worktree.entry_for_path(path) {
4407                    return Some(ProjectPath {
4408                        worktree_id: worktree.id(),
4409                        path: entry.path.clone(),
4410                    });
4411                }
4412            }
4413        }
4414
4415        None
4416    }
4417
4418    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4419        self.find_worktree(abs_path, cx)
4420            .map(|(worktree, relative_path)| ProjectPath {
4421                worktree_id: worktree.read(cx).id(),
4422                path: relative_path.into(),
4423            })
4424    }
4425
4426    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4427        Some(
4428            self.worktree_for_id(project_path.worktree_id, cx)?
4429                .read(cx)
4430                .abs_path()
4431                .to_path_buf(),
4432        )
4433    }
4434
4435    pub fn blame_buffer(
4436        &self,
4437        buffer: &Entity<Buffer>,
4438        version: Option<clock::Global>,
4439        cx: &mut App,
4440    ) -> Task<Result<Option<Blame>>> {
4441        self.git_store.update(cx, |git_store, cx| {
4442            git_store.blame_buffer(buffer, version, cx)
4443        })
4444    }
4445
4446    pub fn get_permalink_to_line(
4447        &self,
4448        buffer: &Entity<Buffer>,
4449        selection: Range<u32>,
4450        cx: &mut App,
4451    ) -> Task<Result<url::Url>> {
4452        self.git_store.update(cx, |git_store, cx| {
4453            git_store.get_permalink_to_line(buffer, selection, cx)
4454        })
4455    }
4456
4457    // RPC message handlers
4458
4459    async fn handle_unshare_project(
4460        this: Entity<Self>,
4461        _: TypedEnvelope<proto::UnshareProject>,
4462        mut cx: AsyncApp,
4463    ) -> Result<()> {
4464        this.update(&mut cx, |this, cx| {
4465            if this.is_local() || this.is_via_ssh() {
4466                this.unshare(cx)?;
4467            } else {
4468                this.disconnected_from_host(cx);
4469            }
4470            Ok(())
4471        })?
4472    }
4473
4474    async fn handle_add_collaborator(
4475        this: Entity<Self>,
4476        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4477        mut cx: AsyncApp,
4478    ) -> Result<()> {
4479        let collaborator = envelope
4480            .payload
4481            .collaborator
4482            .take()
4483            .context("empty collaborator")?;
4484
4485        let collaborator = Collaborator::from_proto(collaborator)?;
4486        this.update(&mut cx, |this, cx| {
4487            this.buffer_store.update(cx, |buffer_store, _| {
4488                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4489            });
4490            this.breakpoint_store.read(cx).broadcast();
4491            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4492            this.collaborators
4493                .insert(collaborator.peer_id, collaborator);
4494        })?;
4495
4496        Ok(())
4497    }
4498
4499    async fn handle_update_project_collaborator(
4500        this: Entity<Self>,
4501        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4502        mut cx: AsyncApp,
4503    ) -> Result<()> {
4504        let old_peer_id = envelope
4505            .payload
4506            .old_peer_id
4507            .context("missing old peer id")?;
4508        let new_peer_id = envelope
4509            .payload
4510            .new_peer_id
4511            .context("missing new peer id")?;
4512        this.update(&mut cx, |this, cx| {
4513            let collaborator = this
4514                .collaborators
4515                .remove(&old_peer_id)
4516                .context("received UpdateProjectCollaborator for unknown peer")?;
4517            let is_host = collaborator.is_host;
4518            this.collaborators.insert(new_peer_id, collaborator);
4519
4520            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4521            this.buffer_store.update(cx, |buffer_store, _| {
4522                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4523            });
4524
4525            if is_host {
4526                this.buffer_store
4527                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4528                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4529                    .unwrap();
4530                cx.emit(Event::HostReshared);
4531            }
4532
4533            cx.emit(Event::CollaboratorUpdated {
4534                old_peer_id,
4535                new_peer_id,
4536            });
4537            Ok(())
4538        })?
4539    }
4540
4541    async fn handle_remove_collaborator(
4542        this: Entity<Self>,
4543        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4544        mut cx: AsyncApp,
4545    ) -> Result<()> {
4546        this.update(&mut cx, |this, cx| {
4547            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4548            let replica_id = this
4549                .collaborators
4550                .remove(&peer_id)
4551                .with_context(|| format!("unknown peer {peer_id:?}"))?
4552                .replica_id;
4553            this.buffer_store.update(cx, |buffer_store, cx| {
4554                buffer_store.forget_shared_buffers_for(&peer_id);
4555                for buffer in buffer_store.buffers() {
4556                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4557                }
4558            });
4559            this.git_store.update(cx, |git_store, _| {
4560                git_store.forget_shared_diffs_for(&peer_id);
4561            });
4562
4563            cx.emit(Event::CollaboratorLeft(peer_id));
4564            Ok(())
4565        })?
4566    }
4567
4568    async fn handle_update_project(
4569        this: Entity<Self>,
4570        envelope: TypedEnvelope<proto::UpdateProject>,
4571        mut cx: AsyncApp,
4572    ) -> Result<()> {
4573        this.update(&mut cx, |this, cx| {
4574            // Don't handle messages that were sent before the response to us joining the project
4575            if envelope.message_id > this.join_project_response_message_id {
4576                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4577            }
4578            Ok(())
4579        })?
4580    }
4581
4582    async fn handle_toast(
4583        this: Entity<Self>,
4584        envelope: TypedEnvelope<proto::Toast>,
4585        mut cx: AsyncApp,
4586    ) -> Result<()> {
4587        this.update(&mut cx, |_, cx| {
4588            cx.emit(Event::Toast {
4589                notification_id: envelope.payload.notification_id.into(),
4590                message: envelope.payload.message,
4591            });
4592            Ok(())
4593        })?
4594    }
4595
4596    async fn handle_language_server_prompt_request(
4597        this: Entity<Self>,
4598        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4599        mut cx: AsyncApp,
4600    ) -> Result<proto::LanguageServerPromptResponse> {
4601        let (tx, rx) = smol::channel::bounded(1);
4602        let actions: Vec<_> = envelope
4603            .payload
4604            .actions
4605            .into_iter()
4606            .map(|action| MessageActionItem {
4607                title: action,
4608                properties: Default::default(),
4609            })
4610            .collect();
4611        this.update(&mut cx, |_, cx| {
4612            cx.emit(Event::LanguageServerPrompt(LanguageServerPromptRequest {
4613                level: proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4614                message: envelope.payload.message,
4615                actions: actions.clone(),
4616                lsp_name: envelope.payload.lsp_name,
4617                response_channel: tx,
4618            }));
4619
4620            anyhow::Ok(())
4621        })??;
4622
4623        // We drop `this` to avoid holding a reference in this future for too
4624        // long.
4625        // If we keep the reference, we might not drop the `Project` early
4626        // enough when closing a window and it will only get releases on the
4627        // next `flush_effects()` call.
4628        drop(this);
4629
4630        let mut rx = pin!(rx);
4631        let answer = rx.next().await;
4632
4633        Ok(LanguageServerPromptResponse {
4634            action_response: answer.and_then(|answer| {
4635                actions
4636                    .iter()
4637                    .position(|action| *action == answer)
4638                    .map(|index| index as u64)
4639            }),
4640        })
4641    }
4642
4643    async fn handle_hide_toast(
4644        this: Entity<Self>,
4645        envelope: TypedEnvelope<proto::HideToast>,
4646        mut cx: AsyncApp,
4647    ) -> Result<()> {
4648        this.update(&mut cx, |_, cx| {
4649            cx.emit(Event::HideToast {
4650                notification_id: envelope.payload.notification_id.into(),
4651            });
4652            Ok(())
4653        })?
4654    }
4655
4656    // Collab sends UpdateWorktree protos as messages
4657    async fn handle_update_worktree(
4658        this: Entity<Self>,
4659        envelope: TypedEnvelope<proto::UpdateWorktree>,
4660        mut cx: AsyncApp,
4661    ) -> Result<()> {
4662        this.update(&mut cx, |this, cx| {
4663            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4664            if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
4665                worktree.update(cx, |worktree, _| {
4666                    let worktree = worktree.as_remote_mut().unwrap();
4667                    worktree.update_from_remote(envelope.payload);
4668                });
4669            }
4670            Ok(())
4671        })?
4672    }
4673
4674    async fn handle_update_buffer_from_ssh(
4675        this: Entity<Self>,
4676        envelope: TypedEnvelope<proto::UpdateBuffer>,
4677        cx: AsyncApp,
4678    ) -> Result<proto::Ack> {
4679        let buffer_store = this.read_with(&cx, |this, cx| {
4680            if let Some(remote_id) = this.remote_id() {
4681                let mut payload = envelope.payload.clone();
4682                payload.project_id = remote_id;
4683                cx.background_spawn(this.client.request(payload))
4684                    .detach_and_log_err(cx);
4685            }
4686            this.buffer_store.clone()
4687        })?;
4688        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4689    }
4690
4691    async fn handle_update_buffer(
4692        this: Entity<Self>,
4693        envelope: TypedEnvelope<proto::UpdateBuffer>,
4694        cx: AsyncApp,
4695    ) -> Result<proto::Ack> {
4696        let buffer_store = this.read_with(&cx, |this, cx| {
4697            if let Some(ssh) = &this.ssh_client {
4698                let mut payload = envelope.payload.clone();
4699                payload.project_id = SSH_PROJECT_ID;
4700                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
4701                    .detach_and_log_err(cx);
4702            }
4703            this.buffer_store.clone()
4704        })?;
4705        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4706    }
4707
4708    fn retain_remotely_created_models(
4709        &mut self,
4710        cx: &mut Context<Self>,
4711    ) -> RemotelyCreatedModelGuard {
4712        {
4713            let mut remotely_create_models = self.remotely_created_models.lock();
4714            if remotely_create_models.retain_count == 0 {
4715                remotely_create_models.buffers = self.buffer_store.read(cx).buffers().collect();
4716                remotely_create_models.worktrees =
4717                    self.worktree_store.read(cx).worktrees().collect();
4718            }
4719            remotely_create_models.retain_count += 1;
4720        }
4721        RemotelyCreatedModelGuard {
4722            remote_models: Arc::downgrade(&self.remotely_created_models),
4723        }
4724    }
4725
4726    async fn handle_create_buffer_for_peer(
4727        this: Entity<Self>,
4728        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
4729        mut cx: AsyncApp,
4730    ) -> Result<()> {
4731        this.update(&mut cx, |this, cx| {
4732            this.buffer_store.update(cx, |buffer_store, cx| {
4733                buffer_store.handle_create_buffer_for_peer(
4734                    envelope,
4735                    this.replica_id(),
4736                    this.capability(),
4737                    cx,
4738                )
4739            })
4740        })?
4741    }
4742
4743    async fn handle_synchronize_buffers(
4744        this: Entity<Self>,
4745        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
4746        mut cx: AsyncApp,
4747    ) -> Result<proto::SynchronizeBuffersResponse> {
4748        let response = this.update(&mut cx, |this, cx| {
4749            let client = this.client.clone();
4750            this.buffer_store.update(cx, |this, cx| {
4751                this.handle_synchronize_buffers(envelope, cx, client)
4752            })
4753        })??;
4754
4755        Ok(response)
4756    }
4757
4758    async fn handle_search_candidate_buffers(
4759        this: Entity<Self>,
4760        envelope: TypedEnvelope<proto::FindSearchCandidates>,
4761        mut cx: AsyncApp,
4762    ) -> Result<proto::FindSearchCandidatesResponse> {
4763        let peer_id = envelope.original_sender_id()?;
4764        let message = envelope.payload;
4765        let query = SearchQuery::from_proto(message.query.context("missing query field")?)?;
4766        let results = this.update(&mut cx, |this, cx| {
4767            this.find_search_candidate_buffers(&query, message.limit as _, cx)
4768        })?;
4769
4770        let mut response = proto::FindSearchCandidatesResponse {
4771            buffer_ids: Vec::new(),
4772        };
4773
4774        while let Ok(buffer) = results.recv().await {
4775            this.update(&mut cx, |this, cx| {
4776                let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
4777                response.buffer_ids.push(buffer_id.to_proto());
4778            })?;
4779        }
4780
4781        Ok(response)
4782    }
4783
4784    async fn handle_open_buffer_by_id(
4785        this: Entity<Self>,
4786        envelope: TypedEnvelope<proto::OpenBufferById>,
4787        mut cx: AsyncApp,
4788    ) -> Result<proto::OpenBufferResponse> {
4789        let peer_id = envelope.original_sender_id()?;
4790        let buffer_id = BufferId::new(envelope.payload.id)?;
4791        let buffer = this
4792            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))?
4793            .await?;
4794        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4795    }
4796
4797    async fn handle_open_buffer_by_path(
4798        this: Entity<Self>,
4799        envelope: TypedEnvelope<proto::OpenBufferByPath>,
4800        mut cx: AsyncApp,
4801    ) -> Result<proto::OpenBufferResponse> {
4802        let peer_id = envelope.original_sender_id()?;
4803        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4804        let open_buffer = this.update(&mut cx, |this, cx| {
4805            this.open_buffer(
4806                ProjectPath {
4807                    worktree_id,
4808                    path: Arc::<Path>::from_proto(envelope.payload.path),
4809                },
4810                cx,
4811            )
4812        })?;
4813
4814        let buffer = open_buffer.await?;
4815        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4816    }
4817
4818    async fn handle_open_new_buffer(
4819        this: Entity<Self>,
4820        envelope: TypedEnvelope<proto::OpenNewBuffer>,
4821        mut cx: AsyncApp,
4822    ) -> Result<proto::OpenBufferResponse> {
4823        let buffer = this
4824            .update(&mut cx, |this, cx| this.create_buffer(cx))?
4825            .await?;
4826        let peer_id = envelope.original_sender_id()?;
4827
4828        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4829    }
4830
4831    fn respond_to_open_buffer_request(
4832        this: Entity<Self>,
4833        buffer: Entity<Buffer>,
4834        peer_id: proto::PeerId,
4835        cx: &mut AsyncApp,
4836    ) -> Result<proto::OpenBufferResponse> {
4837        this.update(cx, |this, cx| {
4838            let is_private = buffer
4839                .read(cx)
4840                .file()
4841                .map(|f| f.is_private())
4842                .unwrap_or_default();
4843            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
4844            Ok(proto::OpenBufferResponse {
4845                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
4846            })
4847        })?
4848    }
4849
4850    fn create_buffer_for_peer(
4851        &mut self,
4852        buffer: &Entity<Buffer>,
4853        peer_id: proto::PeerId,
4854        cx: &mut App,
4855    ) -> BufferId {
4856        self.buffer_store
4857            .update(cx, |buffer_store, cx| {
4858                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
4859            })
4860            .detach_and_log_err(cx);
4861        buffer.read(cx).remote_id()
4862    }
4863
4864    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
4865        let project_id = match self.client_state {
4866            ProjectClientState::Remote {
4867                sharing_has_stopped,
4868                remote_id,
4869                ..
4870            } => {
4871                if sharing_has_stopped {
4872                    return Task::ready(Err(anyhow!(
4873                        "can't synchronize remote buffers on a readonly project"
4874                    )));
4875                } else {
4876                    remote_id
4877                }
4878            }
4879            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
4880                return Task::ready(Err(anyhow!(
4881                    "can't synchronize remote buffers on a local project"
4882                )));
4883            }
4884        };
4885
4886        let client = self.client.clone();
4887        cx.spawn(async move |this, cx| {
4888            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
4889                this.buffer_store.read(cx).buffer_version_info(cx)
4890            })?;
4891            let response = client
4892                .request(proto::SynchronizeBuffers {
4893                    project_id,
4894                    buffers,
4895                })
4896                .await?;
4897
4898            let send_updates_for_buffers = this.update(cx, |this, cx| {
4899                response
4900                    .buffers
4901                    .into_iter()
4902                    .map(|buffer| {
4903                        let client = client.clone();
4904                        let buffer_id = match BufferId::new(buffer.id) {
4905                            Ok(id) => id,
4906                            Err(e) => {
4907                                return Task::ready(Err(e));
4908                            }
4909                        };
4910                        let remote_version = language::proto::deserialize_version(&buffer.version);
4911                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
4912                            let operations =
4913                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
4914                            cx.background_spawn(async move {
4915                                let operations = operations.await;
4916                                for chunk in split_operations(operations) {
4917                                    client
4918                                        .request(proto::UpdateBuffer {
4919                                            project_id,
4920                                            buffer_id: buffer_id.into(),
4921                                            operations: chunk,
4922                                        })
4923                                        .await?;
4924                                }
4925                                anyhow::Ok(())
4926                            })
4927                        } else {
4928                            Task::ready(Ok(()))
4929                        }
4930                    })
4931                    .collect::<Vec<_>>()
4932            })?;
4933
4934            // Any incomplete buffers have open requests waiting. Request that the host sends
4935            // creates these buffers for us again to unblock any waiting futures.
4936            for id in incomplete_buffer_ids {
4937                cx.background_spawn(client.request(proto::OpenBufferById {
4938                    project_id,
4939                    id: id.into(),
4940                }))
4941                .detach();
4942            }
4943
4944            futures::future::join_all(send_updates_for_buffers)
4945                .await
4946                .into_iter()
4947                .collect()
4948        })
4949    }
4950
4951    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
4952        self.worktree_store.read(cx).worktree_metadata_protos(cx)
4953    }
4954
4955    /// Iterator of all open buffers that have unsaved changes
4956    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
4957        self.buffer_store.read(cx).buffers().filter_map(|buf| {
4958            let buf = buf.read(cx);
4959            if buf.is_dirty() {
4960                buf.project_path(cx)
4961            } else {
4962                None
4963            }
4964        })
4965    }
4966
4967    fn set_worktrees_from_proto(
4968        &mut self,
4969        worktrees: Vec<proto::WorktreeMetadata>,
4970        cx: &mut Context<Project>,
4971    ) -> Result<()> {
4972        self.worktree_store.update(cx, |worktree_store, cx| {
4973            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
4974        })
4975    }
4976
4977    fn set_collaborators_from_proto(
4978        &mut self,
4979        messages: Vec<proto::Collaborator>,
4980        cx: &mut Context<Self>,
4981    ) -> Result<()> {
4982        let mut collaborators = HashMap::default();
4983        for message in messages {
4984            let collaborator = Collaborator::from_proto(message)?;
4985            collaborators.insert(collaborator.peer_id, collaborator);
4986        }
4987        for old_peer_id in self.collaborators.keys() {
4988            if !collaborators.contains_key(old_peer_id) {
4989                cx.emit(Event::CollaboratorLeft(*old_peer_id));
4990            }
4991        }
4992        self.collaborators = collaborators;
4993        Ok(())
4994    }
4995
4996    pub fn supplementary_language_servers<'a>(
4997        &'a self,
4998        cx: &'a App,
4999    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5000        self.lsp_store.read(cx).supplementary_language_servers()
5001    }
5002
5003    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5004        let Some(language) = buffer.language().cloned() else {
5005            return false;
5006        };
5007        self.lsp_store.update(cx, |lsp_store, _| {
5008            let relevant_language_servers = lsp_store
5009                .languages
5010                .lsp_adapters(&language.name())
5011                .into_iter()
5012                .map(|lsp_adapter| lsp_adapter.name())
5013                .collect::<HashSet<_>>();
5014            lsp_store
5015                .language_server_statuses()
5016                .filter_map(|(server_id, server_status)| {
5017                    relevant_language_servers
5018                        .contains(&server_status.name)
5019                        .then_some(server_id)
5020                })
5021                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5022                .any(InlayHints::check_capabilities)
5023        })
5024    }
5025
5026    pub fn language_server_id_for_name(
5027        &self,
5028        buffer: &Buffer,
5029        name: &LanguageServerName,
5030        cx: &App,
5031    ) -> Option<LanguageServerId> {
5032        let language = buffer.language()?;
5033        let relevant_language_servers = self
5034            .languages
5035            .lsp_adapters(&language.name())
5036            .into_iter()
5037            .map(|lsp_adapter| lsp_adapter.name())
5038            .collect::<HashSet<_>>();
5039        if !relevant_language_servers.contains(name) {
5040            return None;
5041        }
5042        self.language_server_statuses(cx)
5043            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5044            .find_map(|(server_id, server_status)| {
5045                if &server_status.name == name {
5046                    Some(server_id)
5047                } else {
5048                    None
5049                }
5050            })
5051    }
5052
5053    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5054        self.lsp_store.update(cx, |this, cx| {
5055            this.language_servers_for_local_buffer(buffer, cx)
5056                .next()
5057                .is_some()
5058        })
5059    }
5060
5061    pub fn git_init(
5062        &self,
5063        path: Arc<Path>,
5064        fallback_branch_name: String,
5065        cx: &App,
5066    ) -> Task<Result<()>> {
5067        self.git_store
5068            .read(cx)
5069            .git_init(path, fallback_branch_name, cx)
5070    }
5071
5072    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5073        &self.buffer_store
5074    }
5075
5076    pub fn git_store(&self) -> &Entity<GitStore> {
5077        &self.git_store
5078    }
5079
5080    #[cfg(test)]
5081    fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
5082        cx.spawn(async move |this, cx| {
5083            let scans_complete = this
5084                .read_with(cx, |this, cx| {
5085                    this.worktrees(cx)
5086                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
5087                        .collect::<Vec<_>>()
5088                })
5089                .unwrap();
5090            join_all(scans_complete).await;
5091            let barriers = this
5092                .update(cx, |this, cx| {
5093                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
5094                    repos
5095                        .into_iter()
5096                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
5097                        .collect::<Vec<_>>()
5098                })
5099                .unwrap();
5100            join_all(barriers).await;
5101        })
5102    }
5103
5104    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
5105        self.git_store.read(cx).active_repository()
5106    }
5107
5108    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
5109        self.git_store.read(cx).repositories()
5110    }
5111
5112    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
5113        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
5114    }
5115
5116    pub fn set_agent_location(
5117        &mut self,
5118        new_location: Option<AgentLocation>,
5119        cx: &mut Context<Self>,
5120    ) {
5121        if let Some(old_location) = self.agent_location.as_ref() {
5122            old_location
5123                .buffer
5124                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
5125                .ok();
5126        }
5127
5128        if let Some(location) = new_location.as_ref() {
5129            location
5130                .buffer
5131                .update(cx, |buffer, cx| {
5132                    buffer.set_agent_selections(
5133                        Arc::from([language::Selection {
5134                            id: 0,
5135                            start: location.position,
5136                            end: location.position,
5137                            reversed: false,
5138                            goal: language::SelectionGoal::None,
5139                        }]),
5140                        false,
5141                        CursorShape::Hollow,
5142                        cx,
5143                    )
5144                })
5145                .ok();
5146        }
5147
5148        self.agent_location = new_location;
5149        cx.emit(Event::AgentLocationChanged);
5150    }
5151
5152    pub fn agent_location(&self) -> Option<AgentLocation> {
5153        self.agent_location.clone()
5154    }
5155
5156    pub fn mark_buffer_as_non_searchable(&self, buffer_id: BufferId, cx: &mut Context<Project>) {
5157        self.buffer_store.update(cx, |buffer_store, _| {
5158            buffer_store.mark_buffer_as_non_searchable(buffer_id)
5159        });
5160    }
5161}
5162
5163pub struct PathMatchCandidateSet {
5164    pub snapshot: Snapshot,
5165    pub include_ignored: bool,
5166    pub include_root_name: bool,
5167    pub candidates: Candidates,
5168}
5169
5170pub enum Candidates {
5171    /// Only consider directories.
5172    Directories,
5173    /// Only consider files.
5174    Files,
5175    /// Consider directories and files.
5176    Entries,
5177}
5178
5179impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
5180    type Candidates = PathMatchCandidateSetIter<'a>;
5181
5182    fn id(&self) -> usize {
5183        self.snapshot.id().to_usize()
5184    }
5185
5186    fn len(&self) -> usize {
5187        match self.candidates {
5188            Candidates::Files => {
5189                if self.include_ignored {
5190                    self.snapshot.file_count()
5191                } else {
5192                    self.snapshot.visible_file_count()
5193                }
5194            }
5195
5196            Candidates::Directories => {
5197                if self.include_ignored {
5198                    self.snapshot.dir_count()
5199                } else {
5200                    self.snapshot.visible_dir_count()
5201                }
5202            }
5203
5204            Candidates::Entries => {
5205                if self.include_ignored {
5206                    self.snapshot.entry_count()
5207                } else {
5208                    self.snapshot.visible_entry_count()
5209                }
5210            }
5211        }
5212    }
5213
5214    fn prefix(&self) -> Arc<str> {
5215        if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
5216            self.snapshot.root_name().into()
5217        } else if self.include_root_name {
5218            format!("{}{}", self.snapshot.root_name(), std::path::MAIN_SEPARATOR).into()
5219        } else {
5220            Arc::default()
5221        }
5222    }
5223
5224    fn candidates(&'a self, start: usize) -> Self::Candidates {
5225        PathMatchCandidateSetIter {
5226            traversal: match self.candidates {
5227                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5228                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5229                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5230            },
5231        }
5232    }
5233}
5234
5235pub struct PathMatchCandidateSetIter<'a> {
5236    traversal: Traversal<'a>,
5237}
5238
5239impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5240    type Item = fuzzy::PathMatchCandidate<'a>;
5241
5242    fn next(&mut self) -> Option<Self::Item> {
5243        self.traversal
5244            .next()
5245            .map(|entry| fuzzy::PathMatchCandidate {
5246                is_dir: entry.kind.is_dir(),
5247                path: &entry.path,
5248                char_bag: entry.char_bag,
5249            })
5250    }
5251}
5252
5253impl EventEmitter<Event> for Project {}
5254
5255impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5256    fn from(val: &'a ProjectPath) -> Self {
5257        SettingsLocation {
5258            worktree_id: val.worktree_id,
5259            path: val.path.as_ref(),
5260        }
5261    }
5262}
5263
5264impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
5265    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5266        Self {
5267            worktree_id,
5268            path: path.as_ref().into(),
5269        }
5270    }
5271}
5272
5273pub fn relativize_path(base: &Path, path: &Path) -> PathBuf {
5274    let mut path_components = path.components();
5275    let mut base_components = base.components();
5276    let mut components: Vec<Component> = Vec::new();
5277    loop {
5278        match (path_components.next(), base_components.next()) {
5279            (None, None) => break,
5280            (Some(a), None) => {
5281                components.push(a);
5282                components.extend(path_components.by_ref());
5283                break;
5284            }
5285            (None, _) => components.push(Component::ParentDir),
5286            (Some(a), Some(b)) if components.is_empty() && a == b => (),
5287            (Some(a), Some(Component::CurDir)) => components.push(a),
5288            (Some(a), Some(_)) => {
5289                components.push(Component::ParentDir);
5290                for _ in base_components {
5291                    components.push(Component::ParentDir);
5292                }
5293                components.push(a);
5294                components.extend(path_components.by_ref());
5295                break;
5296            }
5297        }
5298    }
5299    components.iter().map(|c| c.as_os_str()).collect()
5300}
5301
5302fn resolve_path(base: &Path, path: &Path) -> PathBuf {
5303    let mut result = base.to_path_buf();
5304    for component in path.components() {
5305        match component {
5306            Component::ParentDir => {
5307                result.pop();
5308            }
5309            Component::CurDir => (),
5310            _ => result.push(component),
5311        }
5312    }
5313    result
5314}
5315
5316/// ResolvedPath is a path that has been resolved to either a ProjectPath
5317/// or an AbsPath and that *exists*.
5318#[derive(Debug, Clone)]
5319pub enum ResolvedPath {
5320    ProjectPath {
5321        project_path: ProjectPath,
5322        is_dir: bool,
5323    },
5324    AbsPath {
5325        path: PathBuf,
5326        is_dir: bool,
5327    },
5328}
5329
5330impl ResolvedPath {
5331    pub fn abs_path(&self) -> Option<&Path> {
5332        match self {
5333            Self::AbsPath { path, .. } => Some(path.as_path()),
5334            _ => None,
5335        }
5336    }
5337
5338    pub fn into_abs_path(self) -> Option<PathBuf> {
5339        match self {
5340            Self::AbsPath { path, .. } => Some(path),
5341            _ => None,
5342        }
5343    }
5344
5345    pub fn project_path(&self) -> Option<&ProjectPath> {
5346        match self {
5347            Self::ProjectPath { project_path, .. } => Some(&project_path),
5348            _ => None,
5349        }
5350    }
5351
5352    pub fn is_file(&self) -> bool {
5353        !self.is_dir()
5354    }
5355
5356    pub fn is_dir(&self) -> bool {
5357        match self {
5358            Self::ProjectPath { is_dir, .. } => *is_dir,
5359            Self::AbsPath { is_dir, .. } => *is_dir,
5360        }
5361    }
5362}
5363
5364impl ProjectItem for Buffer {
5365    fn try_open(
5366        project: &Entity<Project>,
5367        path: &ProjectPath,
5368        cx: &mut App,
5369    ) -> Option<Task<Result<Entity<Self>>>> {
5370        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5371    }
5372
5373    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId> {
5374        File::from_dyn(self.file()).and_then(|file| file.project_entry_id(cx))
5375    }
5376
5377    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5378        self.file().map(|file| ProjectPath {
5379            worktree_id: file.worktree_id(cx),
5380            path: file.path().clone(),
5381        })
5382    }
5383
5384    fn is_dirty(&self) -> bool {
5385        self.is_dirty()
5386    }
5387}
5388
5389impl Completion {
5390    pub fn kind(&self) -> Option<CompletionItemKind> {
5391        self.source
5392            // `lsp::CompletionListItemDefaults` has no `kind` field
5393            .lsp_completion(false)
5394            .and_then(|lsp_completion| lsp_completion.kind)
5395    }
5396
5397    pub fn label(&self) -> Option<String> {
5398        self.source
5399            .lsp_completion(false)
5400            .map(|lsp_completion| lsp_completion.label.clone())
5401    }
5402
5403    /// A key that can be used to sort completions when displaying
5404    /// them to the user.
5405    pub fn sort_key(&self) -> (usize, &str) {
5406        const DEFAULT_KIND_KEY: usize = 4;
5407        let kind_key = self
5408            .kind()
5409            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5410                lsp::CompletionItemKind::KEYWORD => Some(0),
5411                lsp::CompletionItemKind::VARIABLE => Some(1),
5412                lsp::CompletionItemKind::CONSTANT => Some(2),
5413                lsp::CompletionItemKind::PROPERTY => Some(3),
5414                _ => None,
5415            })
5416            .unwrap_or(DEFAULT_KIND_KEY);
5417        (kind_key, &self.label.filter_text())
5418    }
5419
5420    /// Whether this completion is a snippet.
5421    pub fn is_snippet(&self) -> bool {
5422        self.source
5423            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5424            .lsp_completion(true)
5425            .map_or(false, |lsp_completion| {
5426                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5427            })
5428    }
5429
5430    /// Returns the corresponding color for this completion.
5431    ///
5432    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5433    pub fn color(&self) -> Option<Hsla> {
5434        // `lsp::CompletionListItemDefaults` has no `kind` field
5435        let lsp_completion = self.source.lsp_completion(false)?;
5436        if lsp_completion.kind? == CompletionItemKind::COLOR {
5437            return color_extractor::extract_color(&lsp_completion);
5438        }
5439        None
5440    }
5441}
5442
5443pub fn sort_worktree_entries(entries: &mut [impl AsRef<Entry>]) {
5444    entries.sort_by(|entry_a, entry_b| {
5445        let entry_a = entry_a.as_ref();
5446        let entry_b = entry_b.as_ref();
5447        compare_paths(
5448            (&entry_a.path, entry_a.is_file()),
5449            (&entry_b.path, entry_b.is_file()),
5450        )
5451    });
5452}
5453
5454fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5455    match level {
5456        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5457        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5458        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5459    }
5460}
5461
5462fn provide_inline_values(
5463    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
5464    snapshot: &language::BufferSnapshot,
5465    max_row: usize,
5466) -> Vec<InlineValueLocation> {
5467    let mut variables = Vec::new();
5468    let mut variable_position = HashSet::default();
5469    let mut scopes = Vec::new();
5470
5471    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
5472
5473    for (capture_range, capture_kind) in captures {
5474        match capture_kind {
5475            language::DebuggerTextObject::Variable => {
5476                let variable_name = snapshot
5477                    .text_for_range(capture_range.clone())
5478                    .collect::<String>();
5479                let point = snapshot.offset_to_point(capture_range.end);
5480
5481                while scopes.last().map_or(false, |scope: &Range<_>| {
5482                    !scope.contains(&capture_range.start)
5483                }) {
5484                    scopes.pop();
5485                }
5486
5487                if point.row as usize > max_row {
5488                    break;
5489                }
5490
5491                let scope = if scopes
5492                    .last()
5493                    .map_or(true, |scope| !scope.contains(&active_debug_line_offset))
5494                {
5495                    VariableScope::Global
5496                } else {
5497                    VariableScope::Local
5498                };
5499
5500                if variable_position.insert(capture_range.end) {
5501                    variables.push(InlineValueLocation {
5502                        variable_name,
5503                        scope,
5504                        lookup: VariableLookupKind::Variable,
5505                        row: point.row as usize,
5506                        column: point.column as usize,
5507                    });
5508                }
5509            }
5510            language::DebuggerTextObject::Scope => {
5511                while scopes.last().map_or_else(
5512                    || false,
5513                    |scope: &Range<usize>| {
5514                        !(scope.contains(&capture_range.start)
5515                            && scope.contains(&capture_range.end))
5516                    },
5517                ) {
5518                    scopes.pop();
5519                }
5520                scopes.push(capture_range);
5521            }
5522        }
5523    }
5524
5525    variables
5526}