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, Language, LanguageName,
  78    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainList, Transaction,
  79    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::ManifestProvidersStore;
  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        paths: Vec<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                && 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            Some(Cow::Borrowed(lsp_completion))
 554        } else {
 555            None
 556        }
 557    }
 558}
 559
 560impl std::fmt::Debug for Completion {
 561    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 562        f.debug_struct("Completion")
 563            .field("replace_range", &self.replace_range)
 564            .field("new_text", &self.new_text)
 565            .field("label", &self.label)
 566            .field("documentation", &self.documentation)
 567            .field("source", &self.source)
 568            .finish()
 569    }
 570}
 571
 572/// Response from a source of completions.
 573pub struct CompletionResponse {
 574    pub completions: Vec<Completion>,
 575    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 576    /// can be filtered instead.
 577    pub is_incomplete: bool,
 578}
 579
 580/// Response from language server completion request.
 581#[derive(Clone, Debug, Default)]
 582pub(crate) struct CoreCompletionResponse {
 583    pub completions: Vec<CoreCompletion>,
 584    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 585    /// can be filtered instead.
 586    pub is_incomplete: bool,
 587}
 588
 589/// A generic completion that can come from different sources.
 590#[derive(Clone, Debug)]
 591pub(crate) struct CoreCompletion {
 592    replace_range: Range<Anchor>,
 593    new_text: String,
 594    source: CompletionSource,
 595}
 596
 597/// A code action provided by a language server.
 598#[derive(Clone, Debug, PartialEq)]
 599pub struct CodeAction {
 600    /// The id of the language server that produced this code action.
 601    pub server_id: LanguageServerId,
 602    /// The range of the buffer where this code action is applicable.
 603    pub range: Range<Anchor>,
 604    /// The raw code action provided by the language server.
 605    /// Can be either an action or a command.
 606    pub lsp_action: LspAction,
 607    /// Whether the action needs to be resolved using the language server.
 608    pub resolved: bool,
 609}
 610
 611/// An action sent back by a language server.
 612#[derive(Clone, Debug, PartialEq)]
 613pub enum LspAction {
 614    /// An action with the full data, may have a command or may not.
 615    /// May require resolving.
 616    Action(Box<lsp::CodeAction>),
 617    /// A command data to run as an action.
 618    Command(lsp::Command),
 619    /// A code lens data to run as an action.
 620    CodeLens(lsp::CodeLens),
 621}
 622
 623impl LspAction {
 624    pub fn title(&self) -> &str {
 625        match self {
 626            Self::Action(action) => &action.title,
 627            Self::Command(command) => &command.title,
 628            Self::CodeLens(lens) => lens
 629                .command
 630                .as_ref()
 631                .map(|command| command.title.as_str())
 632                .unwrap_or("Unknown command"),
 633        }
 634    }
 635
 636    fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 637        match self {
 638            Self::Action(action) => action.kind.clone(),
 639            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 640            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 641        }
 642    }
 643
 644    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 645        match self {
 646            Self::Action(action) => action.edit.as_ref(),
 647            Self::Command(_) => None,
 648            Self::CodeLens(_) => None,
 649        }
 650    }
 651
 652    fn command(&self) -> Option<&lsp::Command> {
 653        match self {
 654            Self::Action(action) => action.command.as_ref(),
 655            Self::Command(command) => Some(command),
 656            Self::CodeLens(lens) => lens.command.as_ref(),
 657        }
 658    }
 659}
 660
 661#[derive(Debug, Clone, PartialEq, Eq)]
 662pub enum ResolveState {
 663    Resolved,
 664    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 665    Resolving,
 666}
 667
 668impl InlayHint {
 669    pub fn text(&self) -> Rope {
 670        match &self.label {
 671            InlayHintLabel::String(s) => Rope::from(s),
 672            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
 673        }
 674    }
 675}
 676
 677#[derive(Debug, Clone, PartialEq, Eq)]
 678pub enum InlayHintLabel {
 679    String(String),
 680    LabelParts(Vec<InlayHintLabelPart>),
 681}
 682
 683#[derive(Debug, Clone, PartialEq, Eq)]
 684pub struct InlayHintLabelPart {
 685    pub value: String,
 686    pub tooltip: Option<InlayHintLabelPartTooltip>,
 687    pub location: Option<(LanguageServerId, lsp::Location)>,
 688}
 689
 690#[derive(Debug, Clone, PartialEq, Eq)]
 691pub enum InlayHintTooltip {
 692    String(String),
 693    MarkupContent(MarkupContent),
 694}
 695
 696#[derive(Debug, Clone, PartialEq, Eq)]
 697pub enum InlayHintLabelPartTooltip {
 698    String(String),
 699    MarkupContent(MarkupContent),
 700}
 701
 702#[derive(Debug, Clone, PartialEq, Eq)]
 703pub struct MarkupContent {
 704    pub kind: HoverBlockKind,
 705    pub value: String,
 706}
 707
 708#[derive(Debug, Clone, PartialEq)]
 709pub struct LocationLink {
 710    pub origin: Option<Location>,
 711    pub target: Location,
 712}
 713
 714#[derive(Debug)]
 715pub struct DocumentHighlight {
 716    pub range: Range<language::Anchor>,
 717    pub kind: DocumentHighlightKind,
 718}
 719
 720#[derive(Clone, Debug)]
 721pub struct Symbol {
 722    pub language_server_name: LanguageServerName,
 723    pub source_worktree_id: WorktreeId,
 724    pub source_language_server_id: LanguageServerId,
 725    pub path: ProjectPath,
 726    pub label: CodeLabel,
 727    pub name: String,
 728    pub kind: lsp::SymbolKind,
 729    pub range: Range<Unclipped<PointUtf16>>,
 730    pub signature: [u8; 32],
 731}
 732
 733#[derive(Clone, Debug)]
 734pub struct DocumentSymbol {
 735    pub name: String,
 736    pub kind: lsp::SymbolKind,
 737    pub range: Range<Unclipped<PointUtf16>>,
 738    pub selection_range: Range<Unclipped<PointUtf16>>,
 739    pub children: Vec<DocumentSymbol>,
 740}
 741
 742#[derive(Clone, Debug, PartialEq)]
 743pub struct HoverBlock {
 744    pub text: String,
 745    pub kind: HoverBlockKind,
 746}
 747
 748#[derive(Clone, Debug, PartialEq, Eq)]
 749pub enum HoverBlockKind {
 750    PlainText,
 751    Markdown,
 752    Code { language: String },
 753}
 754
 755#[derive(Debug, Clone)]
 756pub struct Hover {
 757    pub contents: Vec<HoverBlock>,
 758    pub range: Option<Range<language::Anchor>>,
 759    pub language: Option<Arc<Language>>,
 760}
 761
 762impl Hover {
 763    pub fn is_empty(&self) -> bool {
 764        self.contents.iter().all(|block| block.text.is_empty())
 765    }
 766}
 767
 768enum EntitySubscription {
 769    Project(PendingEntitySubscription<Project>),
 770    BufferStore(PendingEntitySubscription<BufferStore>),
 771    GitStore(PendingEntitySubscription<GitStore>),
 772    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 773    LspStore(PendingEntitySubscription<LspStore>),
 774    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 775    DapStore(PendingEntitySubscription<DapStore>),
 776}
 777
 778#[derive(Debug, Clone)]
 779pub struct DirectoryItem {
 780    pub path: PathBuf,
 781    pub is_dir: bool,
 782}
 783
 784#[derive(Clone, Debug, PartialEq)]
 785pub struct DocumentColor {
 786    pub lsp_range: lsp::Range,
 787    pub color: lsp::Color,
 788    pub resolved: bool,
 789    pub color_presentations: Vec<ColorPresentation>,
 790}
 791
 792impl Eq for DocumentColor {}
 793
 794impl std::hash::Hash for DocumentColor {
 795    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 796        self.lsp_range.hash(state);
 797        self.color.red.to_bits().hash(state);
 798        self.color.green.to_bits().hash(state);
 799        self.color.blue.to_bits().hash(state);
 800        self.color.alpha.to_bits().hash(state);
 801        self.resolved.hash(state);
 802        self.color_presentations.hash(state);
 803    }
 804}
 805
 806#[derive(Clone, Debug, PartialEq, Eq)]
 807pub struct ColorPresentation {
 808    pub label: SharedString,
 809    pub text_edit: Option<lsp::TextEdit>,
 810    pub additional_text_edits: Vec<lsp::TextEdit>,
 811}
 812
 813impl std::hash::Hash for ColorPresentation {
 814    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 815        self.label.hash(state);
 816        if let Some(ref edit) = self.text_edit {
 817            edit.range.hash(state);
 818            edit.new_text.hash(state);
 819        }
 820        self.additional_text_edits.len().hash(state);
 821        for edit in &self.additional_text_edits {
 822            edit.range.hash(state);
 823            edit.new_text.hash(state);
 824        }
 825    }
 826}
 827
 828#[derive(Clone)]
 829pub enum DirectoryLister {
 830    Project(Entity<Project>),
 831    Local(Entity<Project>, Arc<dyn Fs>),
 832}
 833
 834impl std::fmt::Debug for DirectoryLister {
 835    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 836        match self {
 837            DirectoryLister::Project(project) => {
 838                write!(f, "DirectoryLister::Project({project:?})")
 839            }
 840            DirectoryLister::Local(project, _) => {
 841                write!(f, "DirectoryLister::Local({project:?})")
 842            }
 843        }
 844    }
 845}
 846
 847impl DirectoryLister {
 848    pub fn is_local(&self, cx: &App) -> bool {
 849        match self {
 850            DirectoryLister::Local(..) => true,
 851            DirectoryLister::Project(project) => project.read(cx).is_local(),
 852        }
 853    }
 854
 855    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 856        if self.is_local(cx) {
 857            shellexpand::tilde(path)
 858        } else {
 859            Cow::from(path)
 860        }
 861    }
 862
 863    pub fn default_query(&self, cx: &mut App) -> String {
 864        let separator = std::path::MAIN_SEPARATOR_STR;
 865        match self {
 866            DirectoryLister::Project(project) => project,
 867            DirectoryLister::Local(project, _) => project,
 868        }
 869        .read(cx)
 870        .visible_worktrees(cx)
 871        .next()
 872        .map(|worktree| worktree.read(cx).abs_path())
 873        .map(|dir| dir.to_string_lossy().to_string())
 874        .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().to_string()))
 875        .map(|mut s| {
 876            s.push_str(separator);
 877            s
 878        })
 879        .unwrap_or_else(|| {
 880            if cfg!(target_os = "windows") {
 881                format!("C:{separator}")
 882            } else {
 883                format!("~{separator}")
 884            }
 885        })
 886    }
 887
 888    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 889        match self {
 890            DirectoryLister::Project(project) => {
 891                project.update(cx, |project, cx| project.list_directory(path, cx))
 892            }
 893            DirectoryLister::Local(_, fs) => {
 894                let fs = fs.clone();
 895                cx.background_spawn(async move {
 896                    let mut results = vec![];
 897                    let expanded = shellexpand::tilde(&path);
 898                    let query = Path::new(expanded.as_ref());
 899                    let mut response = fs.read_dir(query).await?;
 900                    while let Some(path) = response.next().await {
 901                        let path = path?;
 902                        if let Some(file_name) = path.file_name() {
 903                            results.push(DirectoryItem {
 904                                path: PathBuf::from(file_name.to_os_string()),
 905                                is_dir: fs.is_dir(&path).await,
 906                            });
 907                        }
 908                    }
 909                    Ok(results)
 910                })
 911            }
 912        }
 913    }
 914}
 915
 916#[cfg(any(test, feature = "test-support"))]
 917pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
 918    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
 919    trigger_character: None,
 920};
 921
 922/// An LSP diagnostics associated with a certain language server.
 923#[derive(Clone, Debug, Default)]
 924pub enum LspPullDiagnostics {
 925    #[default]
 926    Default,
 927    Response {
 928        /// The id of the language server that produced diagnostics.
 929        server_id: LanguageServerId,
 930        /// URI of the resource,
 931        uri: lsp::Url,
 932        /// The diagnostics produced by this language server.
 933        diagnostics: PulledDiagnostics,
 934    },
 935}
 936
 937#[derive(Clone, Debug)]
 938pub enum PulledDiagnostics {
 939    Unchanged {
 940        /// An ID the current pulled batch for this file.
 941        /// If given, can be used to query workspace diagnostics partially.
 942        result_id: String,
 943    },
 944    Changed {
 945        result_id: Option<String>,
 946        diagnostics: Vec<lsp::Diagnostic>,
 947    },
 948}
 949
 950/// Whether to disable all AI features in Zed.
 951///
 952/// Default: false
 953#[derive(Copy, Clone, Debug)]
 954pub struct DisableAiSettings {
 955    pub disable_ai: bool,
 956}
 957
 958impl settings::Settings for DisableAiSettings {
 959    const KEY: Option<&'static str> = Some("disable_ai");
 960
 961    type FileContent = Option<bool>;
 962
 963    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
 964        // For security reasons, settings can only make AI restrictions MORE strict, not less.
 965        // (For example, if someone is working on a project that contractually
 966        // requires no AI use, that should override the user's setting which
 967        // permits AI use.)
 968        // This also prevents an attacker from using project or server settings to enable AI when it should be disabled.
 969        let disable_ai = sources
 970            .project
 971            .iter()
 972            .chain(sources.user.iter())
 973            .chain(sources.server.iter())
 974            .any(|disabled| **disabled == Some(true));
 975
 976        Ok(Self { disable_ai })
 977    }
 978
 979    fn import_from_vscode(_vscode: &settings::VsCodeSettings, _current: &mut Self::FileContent) {}
 980}
 981
 982impl Project {
 983    pub fn init_settings(cx: &mut App) {
 984        WorktreeSettings::register(cx);
 985        ProjectSettings::register(cx);
 986        DisableAiSettings::register(cx);
 987    }
 988
 989    pub fn init(client: &Arc<Client>, cx: &mut App) {
 990        connection_manager::init(client.clone(), cx);
 991        Self::init_settings(cx);
 992
 993        let client: AnyProtoClient = client.clone().into();
 994        client.add_entity_message_handler(Self::handle_add_collaborator);
 995        client.add_entity_message_handler(Self::handle_update_project_collaborator);
 996        client.add_entity_message_handler(Self::handle_remove_collaborator);
 997        client.add_entity_message_handler(Self::handle_update_project);
 998        client.add_entity_message_handler(Self::handle_unshare_project);
 999        client.add_entity_request_handler(Self::handle_update_buffer);
1000        client.add_entity_message_handler(Self::handle_update_worktree);
1001        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1002
1003        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1004        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1005        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1006        client.add_entity_request_handler(Self::handle_open_new_buffer);
1007        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1008
1009        WorktreeStore::init(&client);
1010        BufferStore::init(&client);
1011        LspStore::init(&client);
1012        GitStore::init(&client);
1013        SettingsObserver::init(&client);
1014        TaskStore::init(Some(&client));
1015        ToolchainStore::init(&client);
1016        DapStore::init(&client, cx);
1017        BreakpointStore::init(&client);
1018        context_server_store::init(cx);
1019    }
1020
1021    pub fn local(
1022        client: Arc<Client>,
1023        node: NodeRuntime,
1024        user_store: Entity<UserStore>,
1025        languages: Arc<LanguageRegistry>,
1026        fs: Arc<dyn Fs>,
1027        env: Option<HashMap<String, String>>,
1028        cx: &mut App,
1029    ) -> Entity<Self> {
1030        cx.new(|cx: &mut Context<Self>| {
1031            let (tx, rx) = mpsc::unbounded();
1032            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1033                .detach();
1034            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1035            let worktree_store = cx.new(|_| WorktreeStore::local(false, fs.clone()));
1036            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1037                .detach();
1038
1039            let weak_self = cx.weak_entity();
1040            let context_server_store =
1041                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1042
1043            let environment = cx.new(|_| ProjectEnvironment::new(env));
1044            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1045            let toolchain_store = cx.new(|cx| {
1046                ToolchainStore::local(
1047                    languages.clone(),
1048                    worktree_store.clone(),
1049                    environment.clone(),
1050                    manifest_tree.clone(),
1051                    cx,
1052                )
1053            });
1054
1055            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1056            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1057                .detach();
1058
1059            let breakpoint_store =
1060                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1061
1062            let dap_store = cx.new(|cx| {
1063                DapStore::new_local(
1064                    client.http_client(),
1065                    node.clone(),
1066                    fs.clone(),
1067                    environment.clone(),
1068                    toolchain_store.read(cx).as_language_toolchain_store(),
1069                    worktree_store.clone(),
1070                    breakpoint_store.clone(),
1071                    cx,
1072                )
1073            });
1074            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1075
1076            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1077            cx.subscribe(&image_store, Self::on_image_store_event)
1078                .detach();
1079
1080            let prettier_store = cx.new(|cx| {
1081                PrettierStore::new(
1082                    node.clone(),
1083                    fs.clone(),
1084                    languages.clone(),
1085                    worktree_store.clone(),
1086                    cx,
1087                )
1088            });
1089
1090            let task_store = cx.new(|cx| {
1091                TaskStore::local(
1092                    fs.clone(),
1093                    buffer_store.downgrade(),
1094                    worktree_store.clone(),
1095                    toolchain_store.read(cx).as_language_toolchain_store(),
1096                    environment.clone(),
1097                    cx,
1098                )
1099            });
1100
1101            let settings_observer = cx.new(|cx| {
1102                SettingsObserver::new_local(
1103                    fs.clone(),
1104                    worktree_store.clone(),
1105                    task_store.clone(),
1106                    cx,
1107                )
1108            });
1109            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1110                .detach();
1111
1112            let lsp_store = cx.new(|cx| {
1113                LspStore::new_local(
1114                    buffer_store.clone(),
1115                    worktree_store.clone(),
1116                    prettier_store.clone(),
1117                    toolchain_store
1118                        .read(cx)
1119                        .as_local_store()
1120                        .expect("Toolchain store to be local")
1121                        .clone(),
1122                    environment.clone(),
1123                    manifest_tree,
1124                    languages.clone(),
1125                    client.http_client(),
1126                    fs.clone(),
1127                    cx,
1128                )
1129            });
1130
1131            let git_store = cx.new(|cx| {
1132                GitStore::local(
1133                    &worktree_store,
1134                    buffer_store.clone(),
1135                    environment.clone(),
1136                    fs.clone(),
1137                    cx,
1138                )
1139            });
1140
1141            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1142
1143            Self {
1144                buffer_ordered_messages_tx: tx,
1145                collaborators: Default::default(),
1146                worktree_store,
1147                buffer_store,
1148                image_store,
1149                lsp_store,
1150                context_server_store,
1151                join_project_response_message_id: 0,
1152                client_state: ProjectClientState::Local,
1153                git_store,
1154                client_subscriptions: Vec::new(),
1155                _subscriptions: vec![cx.on_release(Self::release)],
1156                active_entry: None,
1157                snippets,
1158                languages,
1159                client,
1160                task_store,
1161                user_store,
1162                settings_observer,
1163                fs,
1164                ssh_client: None,
1165                breakpoint_store,
1166                dap_store,
1167
1168                buffers_needing_diff: Default::default(),
1169                git_diff_debouncer: DebouncedDelay::new(),
1170                terminals: Terminals {
1171                    local_handles: Vec::new(),
1172                },
1173                node: Some(node),
1174                search_history: Self::new_search_history(),
1175                environment,
1176                remotely_created_models: Default::default(),
1177
1178                search_included_history: Self::new_search_history(),
1179                search_excluded_history: Self::new_search_history(),
1180
1181                toolchain_store: Some(toolchain_store),
1182
1183                agent_location: None,
1184            }
1185        })
1186    }
1187
1188    pub fn ssh(
1189        ssh: Entity<SshRemoteClient>,
1190        client: Arc<Client>,
1191        node: NodeRuntime,
1192        user_store: Entity<UserStore>,
1193        languages: Arc<LanguageRegistry>,
1194        fs: Arc<dyn Fs>,
1195        cx: &mut App,
1196    ) -> Entity<Self> {
1197        cx.new(|cx: &mut Context<Self>| {
1198            let (tx, rx) = mpsc::unbounded();
1199            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1200                .detach();
1201            let global_snippets_dir = paths::snippets_dir().to_owned();
1202            let snippets =
1203                SnippetProvider::new(fs.clone(), BTreeSet::from_iter([global_snippets_dir]), cx);
1204
1205            let (ssh_proto, path_style) =
1206                ssh.read_with(cx, |ssh, _| (ssh.proto_client(), ssh.path_style()));
1207            let worktree_store = cx.new(|_| {
1208                WorktreeStore::remote(false, ssh_proto.clone(), SSH_PROJECT_ID, path_style)
1209            });
1210            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1211                .detach();
1212
1213            let weak_self = cx.weak_entity();
1214            let context_server_store =
1215                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1216
1217            let buffer_store = cx.new(|cx| {
1218                BufferStore::remote(
1219                    worktree_store.clone(),
1220                    ssh.read(cx).proto_client(),
1221                    SSH_PROJECT_ID,
1222                    cx,
1223                )
1224            });
1225            let image_store = cx.new(|cx| {
1226                ImageStore::remote(
1227                    worktree_store.clone(),
1228                    ssh.read(cx).proto_client(),
1229                    SSH_PROJECT_ID,
1230                    cx,
1231                )
1232            });
1233            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1234                .detach();
1235            let toolchain_store = cx
1236                .new(|cx| ToolchainStore::remote(SSH_PROJECT_ID, ssh.read(cx).proto_client(), cx));
1237            let task_store = cx.new(|cx| {
1238                TaskStore::remote(
1239                    fs.clone(),
1240                    buffer_store.downgrade(),
1241                    worktree_store.clone(),
1242                    toolchain_store.read(cx).as_language_toolchain_store(),
1243                    ssh.read(cx).proto_client(),
1244                    SSH_PROJECT_ID,
1245                    cx,
1246                )
1247            });
1248
1249            let settings_observer = cx.new(|cx| {
1250                SettingsObserver::new_remote(
1251                    fs.clone(),
1252                    worktree_store.clone(),
1253                    task_store.clone(),
1254                    cx,
1255                )
1256            });
1257            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1258                .detach();
1259
1260            let environment = cx.new(|_| ProjectEnvironment::new(None));
1261
1262            let lsp_store = cx.new(|cx| {
1263                LspStore::new_remote(
1264                    buffer_store.clone(),
1265                    worktree_store.clone(),
1266                    languages.clone(),
1267                    ssh_proto.clone(),
1268                    SSH_PROJECT_ID,
1269                    fs.clone(),
1270                    cx,
1271                )
1272            });
1273            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1274
1275            let breakpoint_store =
1276                cx.new(|_| BreakpointStore::remote(SSH_PROJECT_ID, ssh_proto.clone()));
1277
1278            let dap_store = cx.new(|cx| {
1279                DapStore::new_ssh(
1280                    SSH_PROJECT_ID,
1281                    ssh.clone(),
1282                    breakpoint_store.clone(),
1283                    worktree_store.clone(),
1284                    cx,
1285                )
1286            });
1287
1288            let git_store = cx.new(|cx| {
1289                GitStore::ssh(&worktree_store, buffer_store.clone(), ssh_proto.clone(), cx)
1290            });
1291
1292            cx.subscribe(&ssh, Self::on_ssh_event).detach();
1293
1294            let this = Self {
1295                buffer_ordered_messages_tx: tx,
1296                collaborators: Default::default(),
1297                worktree_store,
1298                buffer_store,
1299                image_store,
1300                lsp_store,
1301                context_server_store,
1302                breakpoint_store,
1303                dap_store,
1304                join_project_response_message_id: 0,
1305                client_state: ProjectClientState::Local,
1306                git_store,
1307                client_subscriptions: Vec::new(),
1308                _subscriptions: vec![
1309                    cx.on_release(Self::release),
1310                    cx.on_app_quit(|this, cx| {
1311                        let shutdown = this.ssh_client.take().and_then(|client| {
1312                            client.read(cx).shutdown_processes(
1313                                Some(proto::ShutdownRemoteServer {}),
1314                                cx.background_executor().clone(),
1315                            )
1316                        });
1317
1318                        cx.background_executor().spawn(async move {
1319                            if let Some(shutdown) = shutdown {
1320                                shutdown.await;
1321                            }
1322                        })
1323                    }),
1324                ],
1325                active_entry: None,
1326                snippets,
1327                languages,
1328                client,
1329                task_store,
1330                user_store,
1331                settings_observer,
1332                fs,
1333                ssh_client: Some(ssh.clone()),
1334                buffers_needing_diff: Default::default(),
1335                git_diff_debouncer: DebouncedDelay::new(),
1336                terminals: Terminals {
1337                    local_handles: Vec::new(),
1338                },
1339                node: Some(node),
1340                search_history: Self::new_search_history(),
1341                environment,
1342                remotely_created_models: Default::default(),
1343
1344                search_included_history: Self::new_search_history(),
1345                search_excluded_history: Self::new_search_history(),
1346
1347                toolchain_store: Some(toolchain_store),
1348                agent_location: None,
1349            };
1350
1351            // ssh -> local machine handlers
1352            let ssh = ssh.read(cx);
1353            ssh.subscribe_to_entity(SSH_PROJECT_ID, &cx.entity());
1354            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.buffer_store);
1355            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.worktree_store);
1356            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.lsp_store);
1357            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.dap_store);
1358            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.settings_observer);
1359            ssh.subscribe_to_entity(SSH_PROJECT_ID, &this.git_store);
1360
1361            ssh_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1362            ssh_proto.add_entity_message_handler(Self::handle_update_worktree);
1363            ssh_proto.add_entity_message_handler(Self::handle_update_project);
1364            ssh_proto.add_entity_message_handler(Self::handle_toast);
1365            ssh_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1366            ssh_proto.add_entity_message_handler(Self::handle_hide_toast);
1367            ssh_proto.add_entity_request_handler(Self::handle_update_buffer_from_ssh);
1368            BufferStore::init(&ssh_proto);
1369            LspStore::init(&ssh_proto);
1370            SettingsObserver::init(&ssh_proto);
1371            TaskStore::init(Some(&ssh_proto));
1372            ToolchainStore::init(&ssh_proto);
1373            DapStore::init(&ssh_proto, cx);
1374            GitStore::init(&ssh_proto);
1375
1376            this
1377        })
1378    }
1379
1380    pub async fn remote(
1381        remote_id: u64,
1382        client: Arc<Client>,
1383        user_store: Entity<UserStore>,
1384        languages: Arc<LanguageRegistry>,
1385        fs: Arc<dyn Fs>,
1386        cx: AsyncApp,
1387    ) -> Result<Entity<Self>> {
1388        let project =
1389            Self::in_room(remote_id, client, user_store, languages, fs, cx.clone()).await?;
1390        cx.update(|cx| {
1391            connection_manager::Manager::global(cx).update(cx, |manager, cx| {
1392                manager.maintain_project_connection(&project, cx)
1393            })
1394        })?;
1395        Ok(project)
1396    }
1397
1398    pub async fn in_room(
1399        remote_id: u64,
1400        client: Arc<Client>,
1401        user_store: Entity<UserStore>,
1402        languages: Arc<LanguageRegistry>,
1403        fs: Arc<dyn Fs>,
1404        cx: AsyncApp,
1405    ) -> Result<Entity<Self>> {
1406        client.connect(true, &cx).await.into_response()?;
1407
1408        let subscriptions = [
1409            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1410            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1411            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1412            EntitySubscription::WorktreeStore(
1413                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1414            ),
1415            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1416            EntitySubscription::SettingsObserver(
1417                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1418            ),
1419            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1420        ];
1421        let committer = get_git_committer(&cx).await;
1422        let response = client
1423            .request_envelope(proto::JoinProject {
1424                project_id: remote_id,
1425                committer_email: committer.email,
1426                committer_name: committer.name,
1427            })
1428            .await?;
1429        Self::from_join_project_response(
1430            response,
1431            subscriptions,
1432            client,
1433            false,
1434            user_store,
1435            languages,
1436            fs,
1437            cx,
1438        )
1439        .await
1440    }
1441
1442    async fn from_join_project_response(
1443        response: TypedEnvelope<proto::JoinProjectResponse>,
1444        subscriptions: [EntitySubscription; 7],
1445        client: Arc<Client>,
1446        run_tasks: bool,
1447        user_store: Entity<UserStore>,
1448        languages: Arc<LanguageRegistry>,
1449        fs: Arc<dyn Fs>,
1450        mut cx: AsyncApp,
1451    ) -> Result<Entity<Self>> {
1452        let remote_id = response.payload.project_id;
1453        let role = response.payload.role();
1454
1455        // todo(zjk)
1456        // Set the proper path style based on the remote
1457        let worktree_store = cx.new(|_| {
1458            WorktreeStore::remote(
1459                true,
1460                client.clone().into(),
1461                response.payload.project_id,
1462                PathStyle::Posix,
1463            )
1464        })?;
1465        let buffer_store = cx.new(|cx| {
1466            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1467        })?;
1468        let image_store = cx.new(|cx| {
1469            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1470        })?;
1471
1472        let environment = cx.new(|_| ProjectEnvironment::new(None))?;
1473
1474        let breakpoint_store =
1475            cx.new(|_| BreakpointStore::remote(remote_id, client.clone().into()))?;
1476        let dap_store = cx.new(|cx| {
1477            DapStore::new_collab(
1478                remote_id,
1479                client.clone().into(),
1480                breakpoint_store.clone(),
1481                worktree_store.clone(),
1482                cx,
1483            )
1484        })?;
1485
1486        let lsp_store = cx.new(|cx| {
1487            let mut lsp_store = LspStore::new_remote(
1488                buffer_store.clone(),
1489                worktree_store.clone(),
1490                languages.clone(),
1491                client.clone().into(),
1492                remote_id,
1493                fs.clone(),
1494                cx,
1495            );
1496            lsp_store.set_language_server_statuses_from_proto(
1497                response.payload.language_servers,
1498                response.payload.language_server_capabilities,
1499            );
1500            lsp_store
1501        })?;
1502
1503        let task_store = cx.new(|cx| {
1504            if run_tasks {
1505                TaskStore::remote(
1506                    fs.clone(),
1507                    buffer_store.downgrade(),
1508                    worktree_store.clone(),
1509                    Arc::new(EmptyToolchainStore),
1510                    client.clone().into(),
1511                    remote_id,
1512                    cx,
1513                )
1514            } else {
1515                TaskStore::Noop
1516            }
1517        })?;
1518
1519        let settings_observer = cx.new(|cx| {
1520            SettingsObserver::new_remote(fs.clone(), worktree_store.clone(), task_store.clone(), cx)
1521        })?;
1522
1523        let git_store = cx.new(|cx| {
1524            GitStore::remote(
1525                // In this remote case we pass None for the environment
1526                &worktree_store,
1527                buffer_store.clone(),
1528                client.clone().into(),
1529                ProjectId(remote_id),
1530                cx,
1531            )
1532        })?;
1533
1534        let this = cx.new(|cx| {
1535            let replica_id = response.payload.replica_id as ReplicaId;
1536
1537            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1538
1539            let weak_self = cx.weak_entity();
1540            let context_server_store =
1541                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1542
1543            let mut worktrees = Vec::new();
1544            for worktree in response.payload.worktrees {
1545                let worktree =
1546                    Worktree::remote(remote_id, replica_id, worktree, client.clone().into(), cx);
1547                worktrees.push(worktree);
1548            }
1549
1550            let (tx, rx) = mpsc::unbounded();
1551            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1552                .detach();
1553
1554            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1555                .detach();
1556
1557            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1558                .detach();
1559            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1560            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1561                .detach();
1562
1563            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1564
1565            let mut this = Self {
1566                buffer_ordered_messages_tx: tx,
1567                buffer_store: buffer_store.clone(),
1568                image_store,
1569                worktree_store: worktree_store.clone(),
1570                lsp_store: lsp_store.clone(),
1571                context_server_store,
1572                active_entry: None,
1573                collaborators: Default::default(),
1574                join_project_response_message_id: response.message_id,
1575                languages,
1576                user_store: user_store.clone(),
1577                task_store,
1578                snippets,
1579                fs,
1580                ssh_client: None,
1581                settings_observer: settings_observer.clone(),
1582                client_subscriptions: Default::default(),
1583                _subscriptions: vec![cx.on_release(Self::release)],
1584                client: client.clone(),
1585                client_state: ProjectClientState::Remote {
1586                    sharing_has_stopped: false,
1587                    capability: Capability::ReadWrite,
1588                    remote_id,
1589                    replica_id,
1590                },
1591                breakpoint_store,
1592                dap_store: dap_store.clone(),
1593                git_store: git_store.clone(),
1594                buffers_needing_diff: Default::default(),
1595                git_diff_debouncer: DebouncedDelay::new(),
1596                terminals: Terminals {
1597                    local_handles: Vec::new(),
1598                },
1599                node: None,
1600                search_history: Self::new_search_history(),
1601                search_included_history: Self::new_search_history(),
1602                search_excluded_history: Self::new_search_history(),
1603                environment,
1604                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1605                toolchain_store: None,
1606                agent_location: None,
1607            };
1608            this.set_role(role, cx);
1609            for worktree in worktrees {
1610                this.add_worktree(&worktree, cx);
1611            }
1612            this
1613        })?;
1614
1615        let subscriptions = subscriptions
1616            .into_iter()
1617            .map(|s| match s {
1618                EntitySubscription::BufferStore(subscription) => {
1619                    subscription.set_entity(&buffer_store, &mut cx)
1620                }
1621                EntitySubscription::WorktreeStore(subscription) => {
1622                    subscription.set_entity(&worktree_store, &mut cx)
1623                }
1624                EntitySubscription::GitStore(subscription) => {
1625                    subscription.set_entity(&git_store, &mut cx)
1626                }
1627                EntitySubscription::SettingsObserver(subscription) => {
1628                    subscription.set_entity(&settings_observer, &mut cx)
1629                }
1630                EntitySubscription::Project(subscription) => {
1631                    subscription.set_entity(&this, &mut cx)
1632                }
1633                EntitySubscription::LspStore(subscription) => {
1634                    subscription.set_entity(&lsp_store, &mut cx)
1635                }
1636                EntitySubscription::DapStore(subscription) => {
1637                    subscription.set_entity(&dap_store, &mut cx)
1638                }
1639            })
1640            .collect::<Vec<_>>();
1641
1642        let user_ids = response
1643            .payload
1644            .collaborators
1645            .iter()
1646            .map(|peer| peer.user_id)
1647            .collect();
1648        user_store
1649            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))?
1650            .await?;
1651
1652        this.update(&mut cx, |this, cx| {
1653            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1654            this.client_subscriptions.extend(subscriptions);
1655            anyhow::Ok(())
1656        })??;
1657
1658        Ok(this)
1659    }
1660
1661    fn new_search_history() -> SearchHistory {
1662        SearchHistory::new(
1663            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1664            search_history::QueryInsertionBehavior::AlwaysInsert,
1665        )
1666    }
1667
1668    fn release(&mut self, cx: &mut App) {
1669        if let Some(client) = self.ssh_client.take() {
1670            let shutdown = client.read(cx).shutdown_processes(
1671                Some(proto::ShutdownRemoteServer {}),
1672                cx.background_executor().clone(),
1673            );
1674
1675            cx.background_spawn(async move {
1676                if let Some(shutdown) = shutdown {
1677                    shutdown.await;
1678                }
1679            })
1680            .detach()
1681        }
1682
1683        match &self.client_state {
1684            ProjectClientState::Local => {}
1685            ProjectClientState::Shared { .. } => {
1686                let _ = self.unshare_internal(cx);
1687            }
1688            ProjectClientState::Remote { remote_id, .. } => {
1689                let _ = self.client.send(proto::LeaveProject {
1690                    project_id: *remote_id,
1691                });
1692                self.disconnected_from_host_internal(cx);
1693            }
1694        }
1695    }
1696
1697    #[cfg(any(test, feature = "test-support"))]
1698    pub async fn example(
1699        root_paths: impl IntoIterator<Item = &Path>,
1700        cx: &mut AsyncApp,
1701    ) -> Entity<Project> {
1702        use clock::FakeSystemClock;
1703
1704        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1705        let languages = LanguageRegistry::test(cx.background_executor().clone());
1706        let clock = Arc::new(FakeSystemClock::new());
1707        let http_client = http_client::FakeHttpClient::with_404_response();
1708        let client = cx
1709            .update(|cx| client::Client::new(clock, http_client.clone(), cx))
1710            .unwrap();
1711        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx)).unwrap();
1712        let project = cx
1713            .update(|cx| {
1714                Project::local(
1715                    client,
1716                    node_runtime::NodeRuntime::unavailable(),
1717                    user_store,
1718                    Arc::new(languages),
1719                    fs,
1720                    None,
1721                    cx,
1722                )
1723            })
1724            .unwrap();
1725        for path in root_paths {
1726            let (tree, _) = project
1727                .update(cx, |project, cx| {
1728                    project.find_or_create_worktree(path, true, cx)
1729                })
1730                .unwrap()
1731                .await
1732                .unwrap();
1733            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1734                .unwrap()
1735                .await;
1736        }
1737        project
1738    }
1739
1740    #[cfg(any(test, feature = "test-support"))]
1741    pub async fn test(
1742        fs: Arc<dyn Fs>,
1743        root_paths: impl IntoIterator<Item = &Path>,
1744        cx: &mut gpui::TestAppContext,
1745    ) -> Entity<Project> {
1746        use clock::FakeSystemClock;
1747
1748        let languages = LanguageRegistry::test(cx.executor());
1749        let clock = Arc::new(FakeSystemClock::new());
1750        let http_client = http_client::FakeHttpClient::with_404_response();
1751        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1752        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1753        let project = cx.update(|cx| {
1754            Project::local(
1755                client,
1756                node_runtime::NodeRuntime::unavailable(),
1757                user_store,
1758                Arc::new(languages),
1759                fs,
1760                None,
1761                cx,
1762            )
1763        });
1764        for path in root_paths {
1765            let (tree, _) = project
1766                .update(cx, |project, cx| {
1767                    project.find_or_create_worktree(path, true, cx)
1768                })
1769                .await
1770                .unwrap();
1771
1772            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1773                .await;
1774        }
1775        project
1776    }
1777
1778    pub fn dap_store(&self) -> Entity<DapStore> {
1779        self.dap_store.clone()
1780    }
1781
1782    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
1783        self.breakpoint_store.clone()
1784    }
1785
1786    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
1787        let active_position = self.breakpoint_store.read(cx).active_position()?;
1788        let session = self
1789            .dap_store
1790            .read(cx)
1791            .session_by_id(active_position.session_id)?;
1792        Some((session, active_position.clone()))
1793    }
1794
1795    pub fn lsp_store(&self) -> Entity<LspStore> {
1796        self.lsp_store.clone()
1797    }
1798
1799    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
1800        self.worktree_store.clone()
1801    }
1802
1803    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
1804        self.context_server_store.clone()
1805    }
1806
1807    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
1808        self.buffer_store.read(cx).get(remote_id)
1809    }
1810
1811    pub fn languages(&self) -> &Arc<LanguageRegistry> {
1812        &self.languages
1813    }
1814
1815    pub fn client(&self) -> Arc<Client> {
1816        self.client.clone()
1817    }
1818
1819    pub fn ssh_client(&self) -> Option<Entity<SshRemoteClient>> {
1820        self.ssh_client.clone()
1821    }
1822
1823    pub fn user_store(&self) -> Entity<UserStore> {
1824        self.user_store.clone()
1825    }
1826
1827    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
1828        self.node.as_ref()
1829    }
1830
1831    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
1832        self.buffer_store.read(cx).buffers().collect()
1833    }
1834
1835    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
1836        &self.environment
1837    }
1838
1839    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
1840        self.environment.read(cx).get_cli_environment()
1841    }
1842
1843    pub fn buffer_environment<'a>(
1844        &'a self,
1845        buffer: &Entity<Buffer>,
1846        worktree_store: &Entity<WorktreeStore>,
1847        cx: &'a mut App,
1848    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1849        self.environment.update(cx, |environment, cx| {
1850            environment.get_buffer_environment(buffer, worktree_store, cx)
1851        })
1852    }
1853
1854    pub fn directory_environment(
1855        &self,
1856        abs_path: Arc<Path>,
1857        cx: &mut App,
1858    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1859        self.environment.update(cx, |environment, cx| {
1860            environment.get_directory_environment(abs_path, cx)
1861        })
1862    }
1863
1864    pub fn shell_environment_errors<'a>(
1865        &'a self,
1866        cx: &'a App,
1867    ) -> impl Iterator<Item = (&'a Arc<Path>, &'a EnvironmentErrorMessage)> {
1868        self.environment.read(cx).environment_errors()
1869    }
1870
1871    pub fn remove_environment_error(&mut self, abs_path: &Path, cx: &mut Context<Self>) {
1872        self.environment.update(cx, |environment, cx| {
1873            environment.remove_environment_error(abs_path, cx);
1874        });
1875    }
1876
1877    #[cfg(any(test, feature = "test-support"))]
1878    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
1879        self.buffer_store
1880            .read(cx)
1881            .get_by_path(&path.into())
1882            .is_some()
1883    }
1884
1885    pub fn fs(&self) -> &Arc<dyn Fs> {
1886        &self.fs
1887    }
1888
1889    pub fn remote_id(&self) -> Option<u64> {
1890        match self.client_state {
1891            ProjectClientState::Local => None,
1892            ProjectClientState::Shared { remote_id, .. }
1893            | ProjectClientState::Remote { remote_id, .. } => Some(remote_id),
1894        }
1895    }
1896
1897    pub fn supports_terminal(&self, _cx: &App) -> bool {
1898        if self.is_local() {
1899            return true;
1900        }
1901        if self.is_via_ssh() {
1902            return true;
1903        }
1904
1905        return false;
1906    }
1907
1908    pub fn ssh_connection_string(&self, cx: &App) -> Option<SharedString> {
1909        if let Some(ssh_state) = &self.ssh_client {
1910            return Some(ssh_state.read(cx).connection_string().into());
1911        }
1912
1913        return None;
1914    }
1915
1916    pub fn ssh_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
1917        self.ssh_client
1918            .as_ref()
1919            .map(|ssh| ssh.read(cx).connection_state())
1920    }
1921
1922    pub fn ssh_connection_options(&self, cx: &App) -> Option<SshConnectionOptions> {
1923        self.ssh_client
1924            .as_ref()
1925            .map(|ssh| ssh.read(cx).connection_options())
1926    }
1927
1928    pub fn replica_id(&self) -> ReplicaId {
1929        match self.client_state {
1930            ProjectClientState::Remote { replica_id, .. } => replica_id,
1931            _ => {
1932                if self.ssh_client.is_some() {
1933                    1
1934                } else {
1935                    0
1936                }
1937            }
1938        }
1939    }
1940
1941    pub fn task_store(&self) -> &Entity<TaskStore> {
1942        &self.task_store
1943    }
1944
1945    pub fn snippets(&self) -> &Entity<SnippetProvider> {
1946        &self.snippets
1947    }
1948
1949    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
1950        match kind {
1951            SearchInputKind::Query => &self.search_history,
1952            SearchInputKind::Include => &self.search_included_history,
1953            SearchInputKind::Exclude => &self.search_excluded_history,
1954        }
1955    }
1956
1957    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
1958        match kind {
1959            SearchInputKind::Query => &mut self.search_history,
1960            SearchInputKind::Include => &mut self.search_included_history,
1961            SearchInputKind::Exclude => &mut self.search_excluded_history,
1962        }
1963    }
1964
1965    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
1966        &self.collaborators
1967    }
1968
1969    pub fn host(&self) -> Option<&Collaborator> {
1970        self.collaborators.values().find(|c| c.is_host)
1971    }
1972
1973    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
1974        self.worktree_store.update(cx, |store, _| {
1975            store.set_worktrees_reordered(worktrees_reordered);
1976        });
1977    }
1978
1979    /// Collect all worktrees, including ones that don't appear in the project panel
1980    pub fn worktrees<'a>(
1981        &self,
1982        cx: &'a App,
1983    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
1984        self.worktree_store.read(cx).worktrees()
1985    }
1986
1987    /// Collect all user-visible worktrees, the ones that appear in the project panel.
1988    pub fn visible_worktrees<'a>(
1989        &'a self,
1990        cx: &'a App,
1991    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
1992        self.worktree_store.read(cx).visible_worktrees(cx)
1993    }
1994
1995    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
1996        self.visible_worktrees(cx)
1997            .find(|tree| tree.read(cx).root_name() == root_name)
1998    }
1999
2000    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2001        self.visible_worktrees(cx)
2002            .map(|tree| tree.read(cx).root_name())
2003    }
2004
2005    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2006        self.worktree_store.read(cx).worktree_for_id(id, cx)
2007    }
2008
2009    pub fn worktree_for_entry(
2010        &self,
2011        entry_id: ProjectEntryId,
2012        cx: &App,
2013    ) -> Option<Entity<Worktree>> {
2014        self.worktree_store
2015            .read(cx)
2016            .worktree_for_entry(entry_id, cx)
2017    }
2018
2019    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2020        self.worktree_for_entry(entry_id, cx)
2021            .map(|worktree| worktree.read(cx).id())
2022    }
2023
2024    /// Checks if the entry is the root of a worktree.
2025    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2026        self.worktree_for_entry(entry_id, cx)
2027            .map(|worktree| {
2028                worktree
2029                    .read(cx)
2030                    .root_entry()
2031                    .is_some_and(|e| e.id == entry_id)
2032            })
2033            .unwrap_or(false)
2034    }
2035
2036    pub fn project_path_git_status(
2037        &self,
2038        project_path: &ProjectPath,
2039        cx: &App,
2040    ) -> Option<FileStatus> {
2041        self.git_store
2042            .read(cx)
2043            .project_path_git_status(project_path, cx)
2044    }
2045
2046    pub fn visibility_for_paths(
2047        &self,
2048        paths: &[PathBuf],
2049        metadatas: &[Metadata],
2050        exclude_sub_dirs: bool,
2051        cx: &App,
2052    ) -> Option<bool> {
2053        paths
2054            .iter()
2055            .zip(metadatas)
2056            .map(|(path, metadata)| self.visibility_for_path(path, metadata, exclude_sub_dirs, cx))
2057            .max()
2058            .flatten()
2059    }
2060
2061    pub fn visibility_for_path(
2062        &self,
2063        path: &Path,
2064        metadata: &Metadata,
2065        exclude_sub_dirs: bool,
2066        cx: &App,
2067    ) -> Option<bool> {
2068        let sanitized_path = SanitizedPath::from(path);
2069        let path = sanitized_path.as_path();
2070        self.worktrees(cx)
2071            .filter_map(|worktree| {
2072                let worktree = worktree.read(cx);
2073                let abs_path = worktree.as_local()?.abs_path();
2074                let contains = path == abs_path
2075                    || (path.starts_with(abs_path) && (!exclude_sub_dirs || !metadata.is_dir));
2076                contains.then(|| worktree.is_visible())
2077            })
2078            .max()
2079    }
2080
2081    pub fn create_entry(
2082        &mut self,
2083        project_path: impl Into<ProjectPath>,
2084        is_directory: bool,
2085        cx: &mut Context<Self>,
2086    ) -> Task<Result<CreatedEntry>> {
2087        let project_path = project_path.into();
2088        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2089            return Task::ready(Err(anyhow!(format!(
2090                "No worktree for path {project_path:?}"
2091            ))));
2092        };
2093        worktree.update(cx, |worktree, cx| {
2094            worktree.create_entry(project_path.path, is_directory, None, cx)
2095        })
2096    }
2097
2098    pub fn copy_entry(
2099        &mut self,
2100        entry_id: ProjectEntryId,
2101        relative_worktree_source_path: Option<PathBuf>,
2102        new_path: impl Into<Arc<Path>>,
2103        cx: &mut Context<Self>,
2104    ) -> Task<Result<Option<Entry>>> {
2105        let Some(worktree) = self.worktree_for_entry(entry_id, cx) else {
2106            return Task::ready(Ok(None));
2107        };
2108        worktree.update(cx, |worktree, cx| {
2109            worktree.copy_entry(entry_id, relative_worktree_source_path, new_path, cx)
2110        })
2111    }
2112
2113    /// Renames the project entry with given `entry_id`.
2114    ///
2115    /// `new_path` is a relative path to worktree root.
2116    /// If root entry is renamed then its new root name is used instead.
2117    pub fn rename_entry(
2118        &mut self,
2119        entry_id: ProjectEntryId,
2120        new_path: impl Into<Arc<Path>>,
2121        cx: &mut Context<Self>,
2122    ) -> Task<Result<CreatedEntry>> {
2123        let worktree_store = self.worktree_store.read(cx);
2124        let new_path = new_path.into();
2125        let Some((worktree, old_path, is_dir)) = worktree_store
2126            .worktree_and_entry_for_id(entry_id, cx)
2127            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2128        else {
2129            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2130        };
2131
2132        let worktree_id = worktree.read(cx).id();
2133        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2134
2135        let lsp_store = self.lsp_store().downgrade();
2136        cx.spawn(async move |_, cx| {
2137            let (old_abs_path, new_abs_path) = {
2138                let root_path = worktree.read_with(cx, |this, _| this.abs_path())?;
2139                let new_abs_path = if is_root_entry {
2140                    root_path.parent().unwrap().join(&new_path)
2141                } else {
2142                    root_path.join(&new_path)
2143                };
2144                (root_path.join(&old_path), new_abs_path)
2145            };
2146            LspStore::will_rename_entry(
2147                lsp_store.clone(),
2148                worktree_id,
2149                &old_abs_path,
2150                &new_abs_path,
2151                is_dir,
2152                cx.clone(),
2153            )
2154            .await;
2155
2156            let entry = worktree
2157                .update(cx, |worktree, cx| {
2158                    worktree.rename_entry(entry_id, new_path.clone(), cx)
2159                })?
2160                .await?;
2161
2162            lsp_store
2163                .read_with(cx, |this, _| {
2164                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2165                })
2166                .ok();
2167            Ok(entry)
2168        })
2169    }
2170
2171    pub fn delete_file(
2172        &mut self,
2173        path: ProjectPath,
2174        trash: bool,
2175        cx: &mut Context<Self>,
2176    ) -> Option<Task<Result<()>>> {
2177        let entry = self.entry_for_path(&path, cx)?;
2178        self.delete_entry(entry.id, trash, cx)
2179    }
2180
2181    pub fn delete_entry(
2182        &mut self,
2183        entry_id: ProjectEntryId,
2184        trash: bool,
2185        cx: &mut Context<Self>,
2186    ) -> Option<Task<Result<()>>> {
2187        let worktree = self.worktree_for_entry(entry_id, cx)?;
2188        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2189        worktree.update(cx, |worktree, cx| {
2190            worktree.delete_entry(entry_id, trash, cx)
2191        })
2192    }
2193
2194    pub fn expand_entry(
2195        &mut self,
2196        worktree_id: WorktreeId,
2197        entry_id: ProjectEntryId,
2198        cx: &mut Context<Self>,
2199    ) -> Option<Task<Result<()>>> {
2200        let worktree = self.worktree_for_id(worktree_id, cx)?;
2201        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2202    }
2203
2204    pub fn expand_all_for_entry(
2205        &mut self,
2206        worktree_id: WorktreeId,
2207        entry_id: ProjectEntryId,
2208        cx: &mut Context<Self>,
2209    ) -> Option<Task<Result<()>>> {
2210        let worktree = self.worktree_for_id(worktree_id, cx)?;
2211        let task = worktree.update(cx, |worktree, cx| {
2212            worktree.expand_all_for_entry(entry_id, cx)
2213        });
2214        Some(cx.spawn(async move |this, cx| {
2215            task.context("no task")?.await?;
2216            this.update(cx, |_, cx| {
2217                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2218            })?;
2219            Ok(())
2220        }))
2221    }
2222
2223    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2224        anyhow::ensure!(
2225            matches!(self.client_state, ProjectClientState::Local),
2226            "project was already shared"
2227        );
2228
2229        self.client_subscriptions.extend([
2230            self.client
2231                .subscribe_to_entity(project_id)?
2232                .set_entity(&cx.entity(), &mut cx.to_async()),
2233            self.client
2234                .subscribe_to_entity(project_id)?
2235                .set_entity(&self.worktree_store, &mut cx.to_async()),
2236            self.client
2237                .subscribe_to_entity(project_id)?
2238                .set_entity(&self.buffer_store, &mut cx.to_async()),
2239            self.client
2240                .subscribe_to_entity(project_id)?
2241                .set_entity(&self.lsp_store, &mut cx.to_async()),
2242            self.client
2243                .subscribe_to_entity(project_id)?
2244                .set_entity(&self.settings_observer, &mut cx.to_async()),
2245            self.client
2246                .subscribe_to_entity(project_id)?
2247                .set_entity(&self.dap_store, &mut cx.to_async()),
2248            self.client
2249                .subscribe_to_entity(project_id)?
2250                .set_entity(&self.breakpoint_store, &mut cx.to_async()),
2251            self.client
2252                .subscribe_to_entity(project_id)?
2253                .set_entity(&self.git_store, &mut cx.to_async()),
2254        ]);
2255
2256        self.buffer_store.update(cx, |buffer_store, cx| {
2257            buffer_store.shared(project_id, self.client.clone().into(), cx)
2258        });
2259        self.worktree_store.update(cx, |worktree_store, cx| {
2260            worktree_store.shared(project_id, self.client.clone().into(), cx);
2261        });
2262        self.lsp_store.update(cx, |lsp_store, cx| {
2263            lsp_store.shared(project_id, self.client.clone().into(), cx)
2264        });
2265        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2266            breakpoint_store.shared(project_id, self.client.clone().into())
2267        });
2268        self.dap_store.update(cx, |dap_store, cx| {
2269            dap_store.shared(project_id, self.client.clone().into(), cx);
2270        });
2271        self.task_store.update(cx, |task_store, cx| {
2272            task_store.shared(project_id, self.client.clone().into(), cx);
2273        });
2274        self.settings_observer.update(cx, |settings_observer, cx| {
2275            settings_observer.shared(project_id, self.client.clone().into(), cx)
2276        });
2277        self.git_store.update(cx, |git_store, cx| {
2278            git_store.shared(project_id, self.client.clone().into(), cx)
2279        });
2280
2281        self.client_state = ProjectClientState::Shared {
2282            remote_id: project_id,
2283        };
2284
2285        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2286        Ok(())
2287    }
2288
2289    pub fn reshared(
2290        &mut self,
2291        message: proto::ResharedProject,
2292        cx: &mut Context<Self>,
2293    ) -> Result<()> {
2294        self.buffer_store
2295            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2296        self.set_collaborators_from_proto(message.collaborators, cx)?;
2297
2298        self.worktree_store.update(cx, |worktree_store, cx| {
2299            worktree_store.send_project_updates(cx);
2300        });
2301        if let Some(remote_id) = self.remote_id() {
2302            self.git_store.update(cx, |git_store, cx| {
2303                git_store.shared(remote_id, self.client.clone().into(), cx)
2304            });
2305        }
2306        cx.emit(Event::Reshared);
2307        Ok(())
2308    }
2309
2310    pub fn rejoined(
2311        &mut self,
2312        message: proto::RejoinedProject,
2313        message_id: u32,
2314        cx: &mut Context<Self>,
2315    ) -> Result<()> {
2316        cx.update_global::<SettingsStore, _>(|store, cx| {
2317            self.worktree_store.update(cx, |worktree_store, cx| {
2318                for worktree in worktree_store.worktrees() {
2319                    store
2320                        .clear_local_settings(worktree.read(cx).id(), cx)
2321                        .log_err();
2322                }
2323            });
2324        });
2325
2326        self.join_project_response_message_id = message_id;
2327        self.set_worktrees_from_proto(message.worktrees, cx)?;
2328        self.set_collaborators_from_proto(message.collaborators, cx)?;
2329        self.lsp_store.update(cx, |lsp_store, _| {
2330            lsp_store.set_language_server_statuses_from_proto(
2331                message.language_servers,
2332                message.language_server_capabilities,
2333            )
2334        });
2335        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2336            .unwrap();
2337        cx.emit(Event::Rejoined);
2338        Ok(())
2339    }
2340
2341    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2342        self.unshare_internal(cx)?;
2343        cx.emit(Event::RemoteIdChanged(None));
2344        Ok(())
2345    }
2346
2347    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2348        anyhow::ensure!(
2349            !self.is_via_collab(),
2350            "attempted to unshare a remote project"
2351        );
2352
2353        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2354            self.client_state = ProjectClientState::Local;
2355            self.collaborators.clear();
2356            self.client_subscriptions.clear();
2357            self.worktree_store.update(cx, |store, cx| {
2358                store.unshared(cx);
2359            });
2360            self.buffer_store.update(cx, |buffer_store, cx| {
2361                buffer_store.forget_shared_buffers();
2362                buffer_store.unshared(cx)
2363            });
2364            self.task_store.update(cx, |task_store, cx| {
2365                task_store.unshared(cx);
2366            });
2367            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2368                breakpoint_store.unshared(cx);
2369            });
2370            self.dap_store.update(cx, |dap_store, cx| {
2371                dap_store.unshared(cx);
2372            });
2373            self.settings_observer.update(cx, |settings_observer, cx| {
2374                settings_observer.unshared(cx);
2375            });
2376            self.git_store.update(cx, |git_store, cx| {
2377                git_store.unshared(cx);
2378            });
2379
2380            self.client
2381                .send(proto::UnshareProject {
2382                    project_id: remote_id,
2383                })
2384                .ok();
2385            Ok(())
2386        } else {
2387            anyhow::bail!("attempted to unshare an unshared project");
2388        }
2389    }
2390
2391    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2392        if self.is_disconnected(cx) {
2393            return;
2394        }
2395        self.disconnected_from_host_internal(cx);
2396        cx.emit(Event::DisconnectedFromHost);
2397    }
2398
2399    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2400        let new_capability =
2401            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2402                Capability::ReadWrite
2403            } else {
2404                Capability::ReadOnly
2405            };
2406        if let ProjectClientState::Remote { capability, .. } = &mut self.client_state {
2407            if *capability == new_capability {
2408                return;
2409            }
2410
2411            *capability = new_capability;
2412            for buffer in self.opened_buffers(cx) {
2413                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2414            }
2415        }
2416    }
2417
2418    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2419        if let ProjectClientState::Remote {
2420            sharing_has_stopped,
2421            ..
2422        } = &mut self.client_state
2423        {
2424            *sharing_has_stopped = true;
2425            self.collaborators.clear();
2426            self.worktree_store.update(cx, |store, cx| {
2427                store.disconnected_from_host(cx);
2428            });
2429            self.buffer_store.update(cx, |buffer_store, cx| {
2430                buffer_store.disconnected_from_host(cx)
2431            });
2432            self.lsp_store
2433                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2434        }
2435    }
2436
2437    pub fn close(&mut self, cx: &mut Context<Self>) {
2438        cx.emit(Event::Closed);
2439    }
2440
2441    pub fn is_disconnected(&self, cx: &App) -> bool {
2442        match &self.client_state {
2443            ProjectClientState::Remote {
2444                sharing_has_stopped,
2445                ..
2446            } => *sharing_has_stopped,
2447            ProjectClientState::Local if self.is_via_ssh() => self.ssh_is_disconnected(cx),
2448            _ => false,
2449        }
2450    }
2451
2452    fn ssh_is_disconnected(&self, cx: &App) -> bool {
2453        self.ssh_client
2454            .as_ref()
2455            .map(|ssh| ssh.read(cx).is_disconnected())
2456            .unwrap_or(false)
2457    }
2458
2459    pub fn capability(&self) -> Capability {
2460        match &self.client_state {
2461            ProjectClientState::Remote { capability, .. } => *capability,
2462            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2463        }
2464    }
2465
2466    pub fn is_read_only(&self, cx: &App) -> bool {
2467        self.is_disconnected(cx) || self.capability() == Capability::ReadOnly
2468    }
2469
2470    pub fn is_local(&self) -> bool {
2471        match &self.client_state {
2472            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2473                self.ssh_client.is_none()
2474            }
2475            ProjectClientState::Remote { .. } => false,
2476        }
2477    }
2478
2479    pub fn is_via_ssh(&self) -> bool {
2480        match &self.client_state {
2481            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2482                self.ssh_client.is_some()
2483            }
2484            ProjectClientState::Remote { .. } => false,
2485        }
2486    }
2487
2488    pub fn is_via_collab(&self) -> bool {
2489        match &self.client_state {
2490            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2491            ProjectClientState::Remote { .. } => true,
2492        }
2493    }
2494
2495    pub fn create_buffer(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
2496        self.buffer_store
2497            .update(cx, |buffer_store, cx| buffer_store.create_buffer(cx))
2498    }
2499
2500    pub fn create_local_buffer(
2501        &mut self,
2502        text: &str,
2503        language: Option<Arc<Language>>,
2504        cx: &mut Context<Self>,
2505    ) -> Entity<Buffer> {
2506        if self.is_via_collab() || self.is_via_ssh() {
2507            panic!("called create_local_buffer on a remote project")
2508        }
2509        self.buffer_store.update(cx, |buffer_store, cx| {
2510            buffer_store.create_local_buffer(text, language, cx)
2511        })
2512    }
2513
2514    pub fn open_path(
2515        &mut self,
2516        path: ProjectPath,
2517        cx: &mut Context<Self>,
2518    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2519        let task = self.open_buffer(path.clone(), cx);
2520        cx.spawn(async move |_project, cx| {
2521            let buffer = task.await?;
2522            let project_entry_id = buffer.read_with(cx, |buffer, cx| {
2523                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id(cx))
2524            })?;
2525
2526            Ok((project_entry_id, buffer))
2527        })
2528    }
2529
2530    pub fn open_local_buffer(
2531        &mut self,
2532        abs_path: impl AsRef<Path>,
2533        cx: &mut Context<Self>,
2534    ) -> Task<Result<Entity<Buffer>>> {
2535        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2536        cx.spawn(async move |this, cx| {
2537            let (worktree, relative_path) = worktree_task.await?;
2538            this.update(cx, |this, cx| {
2539                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2540            })?
2541            .await
2542        })
2543    }
2544
2545    #[cfg(any(test, feature = "test-support"))]
2546    pub fn open_local_buffer_with_lsp(
2547        &mut self,
2548        abs_path: impl AsRef<Path>,
2549        cx: &mut Context<Self>,
2550    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2551        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2552            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2553        } else {
2554            Task::ready(Err(anyhow!("no such path")))
2555        }
2556    }
2557
2558    pub fn open_buffer(
2559        &mut self,
2560        path: impl Into<ProjectPath>,
2561        cx: &mut App,
2562    ) -> Task<Result<Entity<Buffer>>> {
2563        if self.is_disconnected(cx) {
2564            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2565        }
2566
2567        self.buffer_store.update(cx, |buffer_store, cx| {
2568            buffer_store.open_buffer(path.into(), cx)
2569        })
2570    }
2571
2572    #[cfg(any(test, feature = "test-support"))]
2573    pub fn open_buffer_with_lsp(
2574        &mut self,
2575        path: impl Into<ProjectPath>,
2576        cx: &mut Context<Self>,
2577    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2578        let buffer = self.open_buffer(path, cx);
2579        cx.spawn(async move |this, cx| {
2580            let buffer = buffer.await?;
2581            let handle = this.update(cx, |project, cx| {
2582                project.register_buffer_with_language_servers(&buffer, cx)
2583            })?;
2584            Ok((buffer, handle))
2585        })
2586    }
2587
2588    pub fn register_buffer_with_language_servers(
2589        &self,
2590        buffer: &Entity<Buffer>,
2591        cx: &mut App,
2592    ) -> OpenLspBufferHandle {
2593        self.lsp_store.update(cx, |lsp_store, cx| {
2594            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
2595        })
2596    }
2597
2598    pub fn open_unstaged_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
2607            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2608    }
2609
2610    pub fn open_uncommitted_diff(
2611        &mut self,
2612        buffer: Entity<Buffer>,
2613        cx: &mut Context<Self>,
2614    ) -> Task<Result<Entity<BufferDiff>>> {
2615        if self.is_disconnected(cx) {
2616            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2617        }
2618        self.git_store.update(cx, |git_store, cx| {
2619            git_store.open_uncommitted_diff(buffer, cx)
2620        })
2621    }
2622
2623    pub fn open_buffer_by_id(
2624        &mut self,
2625        id: BufferId,
2626        cx: &mut Context<Self>,
2627    ) -> Task<Result<Entity<Buffer>>> {
2628        if let Some(buffer) = self.buffer_for_id(id, cx) {
2629            Task::ready(Ok(buffer))
2630        } else if self.is_local() || self.is_via_ssh() {
2631            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2632        } else if let Some(project_id) = self.remote_id() {
2633            let request = self.client.request(proto::OpenBufferById {
2634                project_id,
2635                id: id.into(),
2636            });
2637            cx.spawn(async move |project, cx| {
2638                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2639                project
2640                    .update(cx, |project, cx| {
2641                        project.buffer_store.update(cx, |buffer_store, cx| {
2642                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2643                        })
2644                    })?
2645                    .await
2646            })
2647        } else {
2648            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2649        }
2650    }
2651
2652    pub fn save_buffers(
2653        &self,
2654        buffers: HashSet<Entity<Buffer>>,
2655        cx: &mut Context<Self>,
2656    ) -> Task<Result<()>> {
2657        cx.spawn(async move |this, cx| {
2658            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2659                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2660                    .ok()
2661            });
2662            try_join_all(save_tasks).await?;
2663            Ok(())
2664        })
2665    }
2666
2667    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2668        self.buffer_store
2669            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2670    }
2671
2672    pub fn save_buffer_as(
2673        &mut self,
2674        buffer: Entity<Buffer>,
2675        path: ProjectPath,
2676        cx: &mut Context<Self>,
2677    ) -> Task<Result<()>> {
2678        self.buffer_store.update(cx, |buffer_store, cx| {
2679            buffer_store.save_buffer_as(buffer.clone(), path, cx)
2680        })
2681    }
2682
2683    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
2684        self.buffer_store.read(cx).get_by_path(path)
2685    }
2686
2687    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
2688        {
2689            let mut remotely_created_models = self.remotely_created_models.lock();
2690            if remotely_created_models.retain_count > 0 {
2691                remotely_created_models.buffers.push(buffer.clone())
2692            }
2693        }
2694
2695        self.request_buffer_diff_recalculation(buffer, cx);
2696
2697        cx.subscribe(buffer, |this, buffer, event, cx| {
2698            this.on_buffer_event(buffer, event, cx);
2699        })
2700        .detach();
2701
2702        Ok(())
2703    }
2704
2705    pub fn open_image(
2706        &mut self,
2707        path: impl Into<ProjectPath>,
2708        cx: &mut Context<Self>,
2709    ) -> Task<Result<Entity<ImageItem>>> {
2710        if self.is_disconnected(cx) {
2711            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2712        }
2713
2714        let open_image_task = self.image_store.update(cx, |image_store, cx| {
2715            image_store.open_image(path.into(), cx)
2716        });
2717
2718        let weak_project = cx.entity().downgrade();
2719        cx.spawn(async move |_, cx| {
2720            let image_item = open_image_task.await?;
2721            let project = weak_project.upgrade().context("Project dropped")?;
2722
2723            let metadata = ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
2724            image_item.update(cx, |image_item, cx| {
2725                image_item.image_metadata = Some(metadata);
2726                cx.emit(ImageItemEvent::MetadataUpdated);
2727            })?;
2728
2729            Ok(image_item)
2730        })
2731    }
2732
2733    async fn send_buffer_ordered_messages(
2734        project: WeakEntity<Self>,
2735        rx: UnboundedReceiver<BufferOrderedMessage>,
2736        cx: &mut AsyncApp,
2737    ) -> Result<()> {
2738        const MAX_BATCH_SIZE: usize = 128;
2739
2740        let mut operations_by_buffer_id = HashMap::default();
2741        async fn flush_operations(
2742            this: &WeakEntity<Project>,
2743            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
2744            needs_resync_with_host: &mut bool,
2745            is_local: bool,
2746            cx: &mut AsyncApp,
2747        ) -> Result<()> {
2748            for (buffer_id, operations) in operations_by_buffer_id.drain() {
2749                let request = this.read_with(cx, |this, _| {
2750                    let project_id = this.remote_id()?;
2751                    Some(this.client.request(proto::UpdateBuffer {
2752                        buffer_id: buffer_id.into(),
2753                        project_id,
2754                        operations,
2755                    }))
2756                })?;
2757                if let Some(request) = request
2758                    && request.await.is_err() && !is_local {
2759                        *needs_resync_with_host = true;
2760                        break;
2761                    }
2762            }
2763            Ok(())
2764        }
2765
2766        let mut needs_resync_with_host = false;
2767        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2768
2769        while let Some(changes) = changes.next().await {
2770            let is_local = project.read_with(cx, |this, _| this.is_local())?;
2771
2772            for change in changes {
2773                match change {
2774                    BufferOrderedMessage::Operation {
2775                        buffer_id,
2776                        operation,
2777                    } => {
2778                        if needs_resync_with_host {
2779                            continue;
2780                        }
2781
2782                        operations_by_buffer_id
2783                            .entry(buffer_id)
2784                            .or_insert(Vec::new())
2785                            .push(operation);
2786                    }
2787
2788                    BufferOrderedMessage::Resync => {
2789                        operations_by_buffer_id.clear();
2790                        if project
2791                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
2792                            .await
2793                            .is_ok()
2794                        {
2795                            needs_resync_with_host = false;
2796                        }
2797                    }
2798
2799                    BufferOrderedMessage::LanguageServerUpdate {
2800                        language_server_id,
2801                        message,
2802                        name,
2803                    } => {
2804                        flush_operations(
2805                            &project,
2806                            &mut operations_by_buffer_id,
2807                            &mut needs_resync_with_host,
2808                            is_local,
2809                            cx,
2810                        )
2811                        .await?;
2812
2813                        project.read_with(cx, |project, _| {
2814                            if let Some(project_id) = project.remote_id() {
2815                                project
2816                                    .client
2817                                    .send(proto::UpdateLanguageServer {
2818                                        project_id,
2819                                        server_name: name.map(|name| String::from(name.0)),
2820                                        language_server_id: language_server_id.to_proto(),
2821                                        variant: Some(message),
2822                                    })
2823                                    .log_err();
2824                            }
2825                        })?;
2826                    }
2827                }
2828            }
2829
2830            flush_operations(
2831                &project,
2832                &mut operations_by_buffer_id,
2833                &mut needs_resync_with_host,
2834                is_local,
2835                cx,
2836            )
2837            .await?;
2838        }
2839
2840        Ok(())
2841    }
2842
2843    fn on_buffer_store_event(
2844        &mut self,
2845        _: Entity<BufferStore>,
2846        event: &BufferStoreEvent,
2847        cx: &mut Context<Self>,
2848    ) {
2849        match event {
2850            BufferStoreEvent::BufferAdded(buffer) => {
2851                self.register_buffer(buffer, cx).log_err();
2852            }
2853            BufferStoreEvent::BufferDropped(buffer_id) => {
2854                if let Some(ref ssh_client) = self.ssh_client {
2855                    ssh_client
2856                        .read(cx)
2857                        .proto_client()
2858                        .send(proto::CloseBuffer {
2859                            project_id: 0,
2860                            buffer_id: buffer_id.to_proto(),
2861                        })
2862                        .log_err();
2863                }
2864            }
2865            _ => {}
2866        }
2867    }
2868
2869    fn on_image_store_event(
2870        &mut self,
2871        _: Entity<ImageStore>,
2872        event: &ImageStoreEvent,
2873        cx: &mut Context<Self>,
2874    ) {
2875        match event {
2876            ImageStoreEvent::ImageAdded(image) => {
2877                cx.subscribe(image, |this, image, event, cx| {
2878                    this.on_image_event(image, event, cx);
2879                })
2880                .detach();
2881            }
2882        }
2883    }
2884
2885    fn on_dap_store_event(
2886        &mut self,
2887        _: Entity<DapStore>,
2888        event: &DapStoreEvent,
2889        cx: &mut Context<Self>,
2890    ) {
2891        match event {
2892            DapStoreEvent::Notification(message) => {
2893                cx.emit(Event::Toast {
2894                    notification_id: "dap".into(),
2895                    message: message.clone(),
2896                });
2897            }
2898            _ => {}
2899        }
2900    }
2901
2902    fn on_lsp_store_event(
2903        &mut self,
2904        _: Entity<LspStore>,
2905        event: &LspStoreEvent,
2906        cx: &mut Context<Self>,
2907    ) {
2908        match event {
2909            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
2910                cx.emit(Event::DiagnosticsUpdated {
2911                    paths: paths.clone(),
2912                    language_server_id: *server_id,
2913                })
2914            }
2915            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
2916                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
2917            ),
2918            LspStoreEvent::LanguageServerRemoved(server_id) => {
2919                cx.emit(Event::LanguageServerRemoved(*server_id))
2920            }
2921            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
2922                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
2923            ),
2924            LspStoreEvent::LanguageDetected {
2925                buffer,
2926                new_language,
2927            } => {
2928                let Some(_) = new_language else {
2929                    cx.emit(Event::LanguageNotFound(buffer.clone()));
2930                    return;
2931                };
2932            }
2933            LspStoreEvent::RefreshInlayHints => cx.emit(Event::RefreshInlayHints),
2934            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
2935            LspStoreEvent::LanguageServerPrompt(prompt) => {
2936                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
2937            }
2938            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
2939                cx.emit(Event::DiskBasedDiagnosticsStarted {
2940                    language_server_id: *language_server_id,
2941                });
2942            }
2943            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
2944                cx.emit(Event::DiskBasedDiagnosticsFinished {
2945                    language_server_id: *language_server_id,
2946                });
2947            }
2948            LspStoreEvent::LanguageServerUpdate {
2949                language_server_id,
2950                name,
2951                message,
2952            } => {
2953                if self.is_local() {
2954                    self.enqueue_buffer_ordered_message(
2955                        BufferOrderedMessage::LanguageServerUpdate {
2956                            language_server_id: *language_server_id,
2957                            message: message.clone(),
2958                            name: name.clone(),
2959                        },
2960                    )
2961                    .ok();
2962                }
2963
2964                match message {
2965                    proto::update_language_server::Variant::MetadataUpdated(update) => {
2966                        if let Some(capabilities) = update
2967                            .capabilities
2968                            .as_ref()
2969                            .and_then(|capabilities| serde_json::from_str(capabilities).ok())
2970                        {
2971                            self.lsp_store.update(cx, |lsp_store, _| {
2972                                lsp_store
2973                                    .lsp_server_capabilities
2974                                    .insert(*language_server_id, capabilities);
2975                            });
2976                        }
2977                    }
2978                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
2979                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
2980                            cx.emit(Event::LanguageServerBufferRegistered {
2981                                buffer_id,
2982                                server_id: *language_server_id,
2983                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
2984                            });
2985                        }
2986                    }
2987                    _ => (),
2988                }
2989            }
2990            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
2991                notification_id: "lsp".into(),
2992                message: message.clone(),
2993            }),
2994            LspStoreEvent::SnippetEdit {
2995                buffer_id,
2996                edits,
2997                most_recent_edit,
2998            } => {
2999                if most_recent_edit.replica_id == self.replica_id() {
3000                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3001                }
3002            }
3003        }
3004    }
3005
3006    fn on_ssh_event(
3007        &mut self,
3008        _: Entity<SshRemoteClient>,
3009        event: &remote::SshRemoteEvent,
3010        cx: &mut Context<Self>,
3011    ) {
3012        match event {
3013            remote::SshRemoteEvent::Disconnected => {
3014                // if self.is_via_ssh() {
3015                // self.collaborators.clear();
3016                self.worktree_store.update(cx, |store, cx| {
3017                    store.disconnected_from_host(cx);
3018                });
3019                self.buffer_store.update(cx, |buffer_store, cx| {
3020                    buffer_store.disconnected_from_host(cx)
3021                });
3022                self.lsp_store.update(cx, |lsp_store, _cx| {
3023                    lsp_store.disconnected_from_ssh_remote()
3024                });
3025                cx.emit(Event::DisconnectedFromSshRemote);
3026            }
3027        }
3028    }
3029
3030    fn on_settings_observer_event(
3031        &mut self,
3032        _: Entity<SettingsObserver>,
3033        event: &SettingsObserverEvent,
3034        cx: &mut Context<Self>,
3035    ) {
3036        match event {
3037            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3038                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3039                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3040                    cx.emit(Event::Toast {
3041                        notification_id: format!("local-settings-{path:?}").into(),
3042                        message,
3043                    });
3044                }
3045                Ok(path) => cx.emit(Event::HideToast {
3046                    notification_id: format!("local-settings-{path:?}").into(),
3047                }),
3048                Err(_) => {}
3049            },
3050            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3051                Err(InvalidSettingsError::Tasks { message, path }) => {
3052                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3053                    cx.emit(Event::Toast {
3054                        notification_id: format!("local-tasks-{path:?}").into(),
3055                        message,
3056                    });
3057                }
3058                Ok(path) => cx.emit(Event::HideToast {
3059                    notification_id: format!("local-tasks-{path:?}").into(),
3060                }),
3061                Err(_) => {}
3062            },
3063            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3064                Err(InvalidSettingsError::Debug { message, path }) => {
3065                    let message =
3066                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3067                    cx.emit(Event::Toast {
3068                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3069                        message,
3070                    });
3071                }
3072                Ok(path) => cx.emit(Event::HideToast {
3073                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3074                }),
3075                Err(_) => {}
3076            },
3077        }
3078    }
3079
3080    fn on_worktree_store_event(
3081        &mut self,
3082        _: Entity<WorktreeStore>,
3083        event: &WorktreeStoreEvent,
3084        cx: &mut Context<Self>,
3085    ) {
3086        match event {
3087            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3088                self.on_worktree_added(worktree, cx);
3089                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3090            }
3091            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3092                cx.emit(Event::WorktreeRemoved(*id));
3093            }
3094            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3095                self.on_worktree_released(*id, cx);
3096            }
3097            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3098            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3099            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3100                self.client()
3101                    .telemetry()
3102                    .report_discovered_project_type_events(*worktree_id, changes);
3103                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3104            }
3105            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3106                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3107            }
3108            // Listen to the GitStore instead.
3109            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3110        }
3111    }
3112
3113    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3114        let mut remotely_created_models = self.remotely_created_models.lock();
3115        if remotely_created_models.retain_count > 0 {
3116            remotely_created_models.worktrees.push(worktree.clone())
3117        }
3118    }
3119
3120    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3121        if let Some(ssh) = &self.ssh_client {
3122            ssh.read(cx)
3123                .proto_client()
3124                .send(proto::RemoveWorktree {
3125                    worktree_id: id_to_remove.to_proto(),
3126                })
3127                .log_err();
3128        }
3129    }
3130
3131    fn on_buffer_event(
3132        &mut self,
3133        buffer: Entity<Buffer>,
3134        event: &BufferEvent,
3135        cx: &mut Context<Self>,
3136    ) -> Option<()> {
3137        if matches!(event, BufferEvent::Edited { .. } | BufferEvent::Reloaded) {
3138            self.request_buffer_diff_recalculation(&buffer, cx);
3139        }
3140
3141        let buffer_id = buffer.read(cx).remote_id();
3142        match event {
3143            BufferEvent::ReloadNeeded => {
3144                if !self.is_via_collab() {
3145                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3146                        .detach_and_log_err(cx);
3147                }
3148            }
3149            BufferEvent::Operation {
3150                operation,
3151                is_local: true,
3152            } => {
3153                let operation = language::proto::serialize_operation(operation);
3154
3155                if let Some(ssh) = &self.ssh_client {
3156                    ssh.read(cx)
3157                        .proto_client()
3158                        .send(proto::UpdateBuffer {
3159                            project_id: 0,
3160                            buffer_id: buffer_id.to_proto(),
3161                            operations: vec![operation.clone()],
3162                        })
3163                        .ok();
3164                }
3165
3166                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3167                    buffer_id,
3168                    operation,
3169                })
3170                .ok();
3171            }
3172
3173            _ => {}
3174        }
3175
3176        None
3177    }
3178
3179    fn on_image_event(
3180        &mut self,
3181        image: Entity<ImageItem>,
3182        event: &ImageItemEvent,
3183        cx: &mut Context<Self>,
3184    ) -> Option<()> {
3185        match event {
3186            ImageItemEvent::ReloadNeeded => {
3187                if !self.is_via_collab() {
3188                    self.reload_images([image.clone()].into_iter().collect(), cx)
3189                        .detach_and_log_err(cx);
3190                }
3191            }
3192            _ => {}
3193        }
3194
3195        None
3196    }
3197
3198    fn request_buffer_diff_recalculation(
3199        &mut self,
3200        buffer: &Entity<Buffer>,
3201        cx: &mut Context<Self>,
3202    ) {
3203        self.buffers_needing_diff.insert(buffer.downgrade());
3204        let first_insertion = self.buffers_needing_diff.len() == 1;
3205
3206        let settings = ProjectSettings::get_global(cx);
3207        let delay = if let Some(delay) = settings.git.gutter_debounce {
3208            delay
3209        } else {
3210            if first_insertion {
3211                let this = cx.weak_entity();
3212                cx.defer(move |cx| {
3213                    if let Some(this) = this.upgrade() {
3214                        this.update(cx, |this, cx| {
3215                            this.recalculate_buffer_diffs(cx).detach();
3216                        });
3217                    }
3218                });
3219            }
3220            return;
3221        };
3222
3223        const MIN_DELAY: u64 = 50;
3224        let delay = delay.max(MIN_DELAY);
3225        let duration = Duration::from_millis(delay);
3226
3227        self.git_diff_debouncer
3228            .fire_new(duration, cx, move |this, cx| {
3229                this.recalculate_buffer_diffs(cx)
3230            });
3231    }
3232
3233    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3234        cx.spawn(async move |this, cx| {
3235            loop {
3236                let task = this
3237                    .update(cx, |this, cx| {
3238                        let buffers = this
3239                            .buffers_needing_diff
3240                            .drain()
3241                            .filter_map(|buffer| buffer.upgrade())
3242                            .collect::<Vec<_>>();
3243                        if buffers.is_empty() {
3244                            None
3245                        } else {
3246                            Some(this.git_store.update(cx, |git_store, cx| {
3247                                git_store.recalculate_buffer_diffs(buffers, cx)
3248                            }))
3249                        }
3250                    })
3251                    .ok()
3252                    .flatten();
3253
3254                if let Some(task) = task {
3255                    task.await;
3256                } else {
3257                    break;
3258                }
3259            }
3260        })
3261    }
3262
3263    pub fn set_language_for_buffer(
3264        &mut self,
3265        buffer: &Entity<Buffer>,
3266        new_language: Arc<Language>,
3267        cx: &mut Context<Self>,
3268    ) {
3269        self.lsp_store.update(cx, |lsp_store, cx| {
3270            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3271        })
3272    }
3273
3274    pub fn restart_language_servers_for_buffers(
3275        &mut self,
3276        buffers: Vec<Entity<Buffer>>,
3277        only_restart_servers: HashSet<LanguageServerSelector>,
3278        cx: &mut Context<Self>,
3279    ) {
3280        self.lsp_store.update(cx, |lsp_store, cx| {
3281            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3282        })
3283    }
3284
3285    pub fn stop_language_servers_for_buffers(
3286        &mut self,
3287        buffers: Vec<Entity<Buffer>>,
3288        also_restart_servers: HashSet<LanguageServerSelector>,
3289        cx: &mut Context<Self>,
3290    ) {
3291        self.lsp_store
3292            .update(cx, |lsp_store, cx| {
3293                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3294            })
3295            .detach_and_log_err(cx);
3296    }
3297
3298    pub fn cancel_language_server_work_for_buffers(
3299        &mut self,
3300        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3301        cx: &mut Context<Self>,
3302    ) {
3303        self.lsp_store.update(cx, |lsp_store, cx| {
3304            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3305        })
3306    }
3307
3308    pub fn cancel_language_server_work(
3309        &mut self,
3310        server_id: LanguageServerId,
3311        token_to_cancel: Option<String>,
3312        cx: &mut Context<Self>,
3313    ) {
3314        self.lsp_store.update(cx, |lsp_store, cx| {
3315            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3316        })
3317    }
3318
3319    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3320        self.buffer_ordered_messages_tx
3321            .unbounded_send(message)
3322            .map_err(|e| anyhow!(e))
3323    }
3324
3325    pub fn available_toolchains(
3326        &self,
3327        path: ProjectPath,
3328        language_name: LanguageName,
3329        cx: &App,
3330    ) -> Task<Option<(ToolchainList, Arc<Path>)>> {
3331        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3332            cx.spawn(async move |cx| {
3333                toolchain_store
3334                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3335                    .ok()?
3336                    .await
3337            })
3338        } else {
3339            Task::ready(None)
3340        }
3341    }
3342
3343    pub async fn toolchain_term(
3344        languages: Arc<LanguageRegistry>,
3345        language_name: LanguageName,
3346    ) -> Option<SharedString> {
3347        languages
3348            .language_for_name(language_name.as_ref())
3349            .await
3350            .ok()?
3351            .toolchain_lister()
3352            .map(|lister| lister.term())
3353    }
3354
3355    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3356        self.toolchain_store.clone()
3357    }
3358    pub fn activate_toolchain(
3359        &self,
3360        path: ProjectPath,
3361        toolchain: Toolchain,
3362        cx: &mut App,
3363    ) -> Task<Option<()>> {
3364        let Some(toolchain_store) = self.toolchain_store.clone() else {
3365            return Task::ready(None);
3366        };
3367        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3368    }
3369    pub fn active_toolchain(
3370        &self,
3371        path: ProjectPath,
3372        language_name: LanguageName,
3373        cx: &App,
3374    ) -> Task<Option<Toolchain>> {
3375        let Some(toolchain_store) = self.toolchain_store.clone() else {
3376            return Task::ready(None);
3377        };
3378        toolchain_store
3379            .read(cx)
3380            .active_toolchain(path, language_name, cx)
3381    }
3382    pub fn language_server_statuses<'a>(
3383        &'a self,
3384        cx: &'a App,
3385    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3386        self.lsp_store.read(cx).language_server_statuses()
3387    }
3388
3389    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3390        self.lsp_store.read(cx).last_formatting_failure()
3391    }
3392
3393    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3394        self.lsp_store
3395            .update(cx, |store, _| store.reset_last_formatting_failure());
3396    }
3397
3398    pub fn reload_buffers(
3399        &self,
3400        buffers: HashSet<Entity<Buffer>>,
3401        push_to_history: bool,
3402        cx: &mut Context<Self>,
3403    ) -> Task<Result<ProjectTransaction>> {
3404        self.buffer_store.update(cx, |buffer_store, cx| {
3405            buffer_store.reload_buffers(buffers, push_to_history, cx)
3406        })
3407    }
3408
3409    pub fn reload_images(
3410        &self,
3411        images: HashSet<Entity<ImageItem>>,
3412        cx: &mut Context<Self>,
3413    ) -> Task<Result<()>> {
3414        self.image_store
3415            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3416    }
3417
3418    pub fn format(
3419        &mut self,
3420        buffers: HashSet<Entity<Buffer>>,
3421        target: LspFormatTarget,
3422        push_to_history: bool,
3423        trigger: lsp_store::FormatTrigger,
3424        cx: &mut Context<Project>,
3425    ) -> Task<anyhow::Result<ProjectTransaction>> {
3426        self.lsp_store.update(cx, |lsp_store, cx| {
3427            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3428        })
3429    }
3430
3431    pub fn definitions<T: ToPointUtf16>(
3432        &mut self,
3433        buffer: &Entity<Buffer>,
3434        position: T,
3435        cx: &mut Context<Self>,
3436    ) -> Task<Result<Vec<LocationLink>>> {
3437        let position = position.to_point_utf16(buffer.read(cx));
3438        let guard = self.retain_remotely_created_models(cx);
3439        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3440            lsp_store.definitions(buffer, position, cx)
3441        });
3442        cx.background_spawn(async move {
3443            let result = task.await;
3444            drop(guard);
3445            result
3446        })
3447    }
3448
3449    pub fn declarations<T: ToPointUtf16>(
3450        &mut self,
3451        buffer: &Entity<Buffer>,
3452        position: T,
3453        cx: &mut Context<Self>,
3454    ) -> Task<Result<Vec<LocationLink>>> {
3455        let position = position.to_point_utf16(buffer.read(cx));
3456        let guard = self.retain_remotely_created_models(cx);
3457        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3458            lsp_store.declarations(buffer, position, cx)
3459        });
3460        cx.background_spawn(async move {
3461            let result = task.await;
3462            drop(guard);
3463            result
3464        })
3465    }
3466
3467    pub fn type_definitions<T: ToPointUtf16>(
3468        &mut self,
3469        buffer: &Entity<Buffer>,
3470        position: T,
3471        cx: &mut Context<Self>,
3472    ) -> Task<Result<Vec<LocationLink>>> {
3473        let position = position.to_point_utf16(buffer.read(cx));
3474        let guard = self.retain_remotely_created_models(cx);
3475        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3476            lsp_store.type_definitions(buffer, position, cx)
3477        });
3478        cx.background_spawn(async move {
3479            let result = task.await;
3480            drop(guard);
3481            result
3482        })
3483    }
3484
3485    pub fn implementations<T: ToPointUtf16>(
3486        &mut self,
3487        buffer: &Entity<Buffer>,
3488        position: T,
3489        cx: &mut Context<Self>,
3490    ) -> Task<Result<Vec<LocationLink>>> {
3491        let position = position.to_point_utf16(buffer.read(cx));
3492        let guard = self.retain_remotely_created_models(cx);
3493        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3494            lsp_store.implementations(buffer, position, cx)
3495        });
3496        cx.background_spawn(async move {
3497            let result = task.await;
3498            drop(guard);
3499            result
3500        })
3501    }
3502
3503    pub fn references<T: ToPointUtf16>(
3504        &mut self,
3505        buffer: &Entity<Buffer>,
3506        position: T,
3507        cx: &mut Context<Self>,
3508    ) -> Task<Result<Vec<Location>>> {
3509        let position = position.to_point_utf16(buffer.read(cx));
3510        let guard = self.retain_remotely_created_models(cx);
3511        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3512            lsp_store.references(buffer, position, cx)
3513        });
3514        cx.background_spawn(async move {
3515            let result = task.await;
3516            drop(guard);
3517            result
3518        })
3519    }
3520
3521    pub fn document_highlights<T: ToPointUtf16>(
3522        &mut self,
3523        buffer: &Entity<Buffer>,
3524        position: T,
3525        cx: &mut Context<Self>,
3526    ) -> Task<Result<Vec<DocumentHighlight>>> {
3527        let position = position.to_point_utf16(buffer.read(cx));
3528        self.request_lsp(
3529            buffer.clone(),
3530            LanguageServerToQuery::FirstCapable,
3531            GetDocumentHighlights { position },
3532            cx,
3533        )
3534    }
3535
3536    pub fn document_symbols(
3537        &mut self,
3538        buffer: &Entity<Buffer>,
3539        cx: &mut Context<Self>,
3540    ) -> Task<Result<Vec<DocumentSymbol>>> {
3541        self.request_lsp(
3542            buffer.clone(),
3543            LanguageServerToQuery::FirstCapable,
3544            GetDocumentSymbols,
3545            cx,
3546        )
3547    }
3548
3549    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3550        self.lsp_store
3551            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3552    }
3553
3554    pub fn open_buffer_for_symbol(
3555        &mut self,
3556        symbol: &Symbol,
3557        cx: &mut Context<Self>,
3558    ) -> Task<Result<Entity<Buffer>>> {
3559        self.lsp_store.update(cx, |lsp_store, cx| {
3560            lsp_store.open_buffer_for_symbol(symbol, cx)
3561        })
3562    }
3563
3564    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
3565        let guard = self.retain_remotely_created_models(cx);
3566        let Some(ssh_client) = self.ssh_client.as_ref() else {
3567            return Task::ready(Err(anyhow!("not an ssh project")));
3568        };
3569
3570        let proto_client = ssh_client.read(cx).proto_client();
3571
3572        cx.spawn(async move |project, cx| {
3573            let buffer = proto_client
3574                .request(proto::OpenServerSettings {
3575                    project_id: SSH_PROJECT_ID,
3576                })
3577                .await?;
3578
3579            let buffer = project
3580                .update(cx, |project, cx| {
3581                    project.buffer_store.update(cx, |buffer_store, cx| {
3582                        anyhow::Ok(
3583                            buffer_store
3584                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
3585                        )
3586                    })
3587                })??
3588                .await;
3589
3590            drop(guard);
3591            buffer
3592        })
3593    }
3594
3595    pub fn open_local_buffer_via_lsp(
3596        &mut self,
3597        abs_path: lsp::Url,
3598        language_server_id: LanguageServerId,
3599        cx: &mut Context<Self>,
3600    ) -> Task<Result<Entity<Buffer>>> {
3601        self.lsp_store.update(cx, |lsp_store, cx| {
3602            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
3603        })
3604    }
3605
3606    pub fn signature_help<T: ToPointUtf16>(
3607        &self,
3608        buffer: &Entity<Buffer>,
3609        position: T,
3610        cx: &mut Context<Self>,
3611    ) -> Task<Vec<SignatureHelp>> {
3612        self.lsp_store.update(cx, |lsp_store, cx| {
3613            lsp_store.signature_help(buffer, position, cx)
3614        })
3615    }
3616
3617    pub fn hover<T: ToPointUtf16>(
3618        &self,
3619        buffer: &Entity<Buffer>,
3620        position: T,
3621        cx: &mut Context<Self>,
3622    ) -> Task<Vec<Hover>> {
3623        let position = position.to_point_utf16(buffer.read(cx));
3624        self.lsp_store
3625            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
3626    }
3627
3628    pub fn linked_edits(
3629        &self,
3630        buffer: &Entity<Buffer>,
3631        position: Anchor,
3632        cx: &mut Context<Self>,
3633    ) -> Task<Result<Vec<Range<Anchor>>>> {
3634        self.lsp_store.update(cx, |lsp_store, cx| {
3635            lsp_store.linked_edits(buffer, position, cx)
3636        })
3637    }
3638
3639    pub fn completions<T: ToOffset + ToPointUtf16>(
3640        &self,
3641        buffer: &Entity<Buffer>,
3642        position: T,
3643        context: CompletionContext,
3644        cx: &mut Context<Self>,
3645    ) -> Task<Result<Vec<CompletionResponse>>> {
3646        let position = position.to_point_utf16(buffer.read(cx));
3647        self.lsp_store.update(cx, |lsp_store, cx| {
3648            lsp_store.completions(buffer, position, context, cx)
3649        })
3650    }
3651
3652    pub fn code_actions<T: Clone + ToOffset>(
3653        &mut self,
3654        buffer_handle: &Entity<Buffer>,
3655        range: Range<T>,
3656        kinds: Option<Vec<CodeActionKind>>,
3657        cx: &mut Context<Self>,
3658    ) -> Task<Result<Vec<CodeAction>>> {
3659        let buffer = buffer_handle.read(cx);
3660        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3661        self.lsp_store.update(cx, |lsp_store, cx| {
3662            lsp_store.code_actions(buffer_handle, range, kinds, cx)
3663        })
3664    }
3665
3666    pub fn code_lens_actions<T: Clone + ToOffset>(
3667        &mut self,
3668        buffer: &Entity<Buffer>,
3669        range: Range<T>,
3670        cx: &mut Context<Self>,
3671    ) -> Task<Result<Vec<CodeAction>>> {
3672        let snapshot = buffer.read(cx).snapshot();
3673        let range = range.clone().to_owned().to_point(&snapshot);
3674        let range_start = snapshot.anchor_before(range.start);
3675        let range_end = if range.start == range.end {
3676            range_start
3677        } else {
3678            snapshot.anchor_after(range.end)
3679        };
3680        let range = range_start..range_end;
3681        let code_lens_actions = self
3682            .lsp_store
3683            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
3684
3685        cx.background_spawn(async move {
3686            let mut code_lens_actions = code_lens_actions
3687                .await
3688                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
3689            code_lens_actions.retain(|code_lens_action| {
3690                range
3691                    .start
3692                    .cmp(&code_lens_action.range.start, &snapshot)
3693                    .is_ge()
3694                    && range
3695                        .end
3696                        .cmp(&code_lens_action.range.end, &snapshot)
3697                        .is_le()
3698            });
3699            Ok(code_lens_actions)
3700        })
3701    }
3702
3703    pub fn apply_code_action(
3704        &self,
3705        buffer_handle: Entity<Buffer>,
3706        action: CodeAction,
3707        push_to_history: bool,
3708        cx: &mut Context<Self>,
3709    ) -> Task<Result<ProjectTransaction>> {
3710        self.lsp_store.update(cx, |lsp_store, cx| {
3711            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
3712        })
3713    }
3714
3715    pub fn apply_code_action_kind(
3716        &self,
3717        buffers: HashSet<Entity<Buffer>>,
3718        kind: CodeActionKind,
3719        push_to_history: bool,
3720        cx: &mut Context<Self>,
3721    ) -> Task<Result<ProjectTransaction>> {
3722        self.lsp_store.update(cx, |lsp_store, cx| {
3723            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
3724        })
3725    }
3726
3727    pub fn prepare_rename<T: ToPointUtf16>(
3728        &mut self,
3729        buffer: Entity<Buffer>,
3730        position: T,
3731        cx: &mut Context<Self>,
3732    ) -> Task<Result<PrepareRenameResponse>> {
3733        let position = position.to_point_utf16(buffer.read(cx));
3734        self.request_lsp(
3735            buffer,
3736            LanguageServerToQuery::FirstCapable,
3737            PrepareRename { position },
3738            cx,
3739        )
3740    }
3741
3742    pub fn perform_rename<T: ToPointUtf16>(
3743        &mut self,
3744        buffer: Entity<Buffer>,
3745        position: T,
3746        new_name: String,
3747        cx: &mut Context<Self>,
3748    ) -> Task<Result<ProjectTransaction>> {
3749        let push_to_history = true;
3750        let position = position.to_point_utf16(buffer.read(cx));
3751        self.request_lsp(
3752            buffer,
3753            LanguageServerToQuery::FirstCapable,
3754            PerformRename {
3755                position,
3756                new_name,
3757                push_to_history,
3758            },
3759            cx,
3760        )
3761    }
3762
3763    pub fn on_type_format<T: ToPointUtf16>(
3764        &mut self,
3765        buffer: Entity<Buffer>,
3766        position: T,
3767        trigger: String,
3768        push_to_history: bool,
3769        cx: &mut Context<Self>,
3770    ) -> Task<Result<Option<Transaction>>> {
3771        self.lsp_store.update(cx, |lsp_store, cx| {
3772            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
3773        })
3774    }
3775
3776    pub fn inline_values(
3777        &mut self,
3778        session: Entity<Session>,
3779        active_stack_frame: ActiveStackFrame,
3780        buffer_handle: Entity<Buffer>,
3781        range: Range<text::Anchor>,
3782        cx: &mut Context<Self>,
3783    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3784        let snapshot = buffer_handle.read(cx).snapshot();
3785
3786        let captures = snapshot.debug_variables_query(Anchor::MIN..range.end);
3787
3788        let row = snapshot
3789            .summary_for_anchor::<text::PointUtf16>(&range.end)
3790            .row as usize;
3791
3792        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
3793
3794        let stack_frame_id = active_stack_frame.stack_frame_id;
3795        cx.spawn(async move |this, cx| {
3796            this.update(cx, |project, cx| {
3797                project.dap_store().update(cx, |dap_store, cx| {
3798                    dap_store.resolve_inline_value_locations(
3799                        session,
3800                        stack_frame_id,
3801                        buffer_handle,
3802                        inline_value_locations,
3803                        cx,
3804                    )
3805                })
3806            })?
3807            .await
3808        })
3809    }
3810
3811    pub fn inlay_hints<T: ToOffset>(
3812        &mut self,
3813        buffer_handle: Entity<Buffer>,
3814        range: Range<T>,
3815        cx: &mut Context<Self>,
3816    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3817        let buffer = buffer_handle.read(cx);
3818        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3819        self.lsp_store.update(cx, |lsp_store, cx| {
3820            lsp_store.inlay_hints(buffer_handle, range, cx)
3821        })
3822    }
3823
3824    pub fn resolve_inlay_hint(
3825        &self,
3826        hint: InlayHint,
3827        buffer_handle: Entity<Buffer>,
3828        server_id: LanguageServerId,
3829        cx: &mut Context<Self>,
3830    ) -> Task<anyhow::Result<InlayHint>> {
3831        self.lsp_store.update(cx, |lsp_store, cx| {
3832            lsp_store.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
3833        })
3834    }
3835
3836    pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
3837        let (result_tx, result_rx) = smol::channel::unbounded();
3838
3839        let matching_buffers_rx = if query.is_opened_only() {
3840            self.sort_search_candidates(&query, cx)
3841        } else {
3842            self.find_search_candidate_buffers(&query, MAX_SEARCH_RESULT_FILES + 1, cx)
3843        };
3844
3845        cx.spawn(async move |_, cx| {
3846            let mut range_count = 0;
3847            let mut buffer_count = 0;
3848            let mut limit_reached = false;
3849            let query = Arc::new(query);
3850            let chunks = matching_buffers_rx.ready_chunks(64);
3851
3852            // Now that we know what paths match the query, we will load at most
3853            // 64 buffers at a time to avoid overwhelming the main thread. For each
3854            // opened buffer, we will spawn a background task that retrieves all the
3855            // ranges in the buffer matched by the query.
3856            let mut chunks = pin!(chunks);
3857            'outer: while let Some(matching_buffer_chunk) = chunks.next().await {
3858                let mut chunk_results = Vec::with_capacity(matching_buffer_chunk.len());
3859                for buffer in matching_buffer_chunk {
3860                    let query = query.clone();
3861                    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
3862                    chunk_results.push(cx.background_spawn(async move {
3863                        let ranges = query
3864                            .search(&snapshot, None)
3865                            .await
3866                            .iter()
3867                            .map(|range| {
3868                                snapshot.anchor_before(range.start)
3869                                    ..snapshot.anchor_after(range.end)
3870                            })
3871                            .collect::<Vec<_>>();
3872                        anyhow::Ok((buffer, ranges))
3873                    }));
3874                }
3875
3876                let chunk_results = futures::future::join_all(chunk_results).await;
3877                for result in chunk_results {
3878                    if let Some((buffer, ranges)) = result.log_err() {
3879                        range_count += ranges.len();
3880                        buffer_count += 1;
3881                        result_tx
3882                            .send(SearchResult::Buffer { buffer, ranges })
3883                            .await?;
3884                        if buffer_count > MAX_SEARCH_RESULT_FILES
3885                            || range_count > MAX_SEARCH_RESULT_RANGES
3886                        {
3887                            limit_reached = true;
3888                            break 'outer;
3889                        }
3890                    }
3891                }
3892            }
3893
3894            if limit_reached {
3895                result_tx.send(SearchResult::LimitReached).await?;
3896            }
3897
3898            anyhow::Ok(())
3899        })
3900        .detach();
3901
3902        result_rx
3903    }
3904
3905    fn find_search_candidate_buffers(
3906        &mut self,
3907        query: &SearchQuery,
3908        limit: usize,
3909        cx: &mut Context<Project>,
3910    ) -> Receiver<Entity<Buffer>> {
3911        if self.is_local() {
3912            let fs = self.fs.clone();
3913            self.buffer_store.update(cx, |buffer_store, cx| {
3914                buffer_store.find_search_candidates(query, limit, fs, cx)
3915            })
3916        } else {
3917            self.find_search_candidates_remote(query, limit, cx)
3918        }
3919    }
3920
3921    fn sort_search_candidates(
3922        &mut self,
3923        search_query: &SearchQuery,
3924        cx: &mut Context<Project>,
3925    ) -> Receiver<Entity<Buffer>> {
3926        let worktree_store = self.worktree_store.read(cx);
3927        let mut buffers = search_query
3928            .buffers()
3929            .into_iter()
3930            .flatten()
3931            .filter(|buffer| {
3932                let b = buffer.read(cx);
3933                if let Some(file) = b.file() {
3934                    if !search_query.match_path(file.path()) {
3935                        return false;
3936                    }
3937                    if let Some(entry) = b
3938                        .entry_id(cx)
3939                        .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
3940                        && entry.is_ignored && !search_query.include_ignored() {
3941                            return false;
3942                        }
3943                }
3944                true
3945            })
3946            .collect::<Vec<_>>();
3947        let (tx, rx) = smol::channel::unbounded();
3948        buffers.sort_by(|a, b| match (a.read(cx).file(), b.read(cx).file()) {
3949            (None, None) => a.read(cx).remote_id().cmp(&b.read(cx).remote_id()),
3950            (None, Some(_)) => std::cmp::Ordering::Less,
3951            (Some(_), None) => std::cmp::Ordering::Greater,
3952            (Some(a), Some(b)) => compare_paths((a.path(), true), (b.path(), true)),
3953        });
3954        for buffer in buffers {
3955            tx.send_blocking(buffer.clone()).unwrap()
3956        }
3957
3958        rx
3959    }
3960
3961    fn find_search_candidates_remote(
3962        &mut self,
3963        query: &SearchQuery,
3964        limit: usize,
3965        cx: &mut Context<Project>,
3966    ) -> Receiver<Entity<Buffer>> {
3967        let (tx, rx) = smol::channel::unbounded();
3968
3969        let (client, remote_id): (AnyProtoClient, _) = if let Some(ssh_client) = &self.ssh_client {
3970            (ssh_client.read(cx).proto_client(), 0)
3971        } else if let Some(remote_id) = self.remote_id() {
3972            (self.client.clone().into(), remote_id)
3973        } else {
3974            return rx;
3975        };
3976
3977        let request = client.request(proto::FindSearchCandidates {
3978            project_id: remote_id,
3979            query: Some(query.to_proto()),
3980            limit: limit as _,
3981        });
3982        let guard = self.retain_remotely_created_models(cx);
3983
3984        cx.spawn(async move |project, cx| {
3985            let response = request.await?;
3986            for buffer_id in response.buffer_ids {
3987                let buffer_id = BufferId::new(buffer_id)?;
3988                let buffer = project
3989                    .update(cx, |project, cx| {
3990                        project.buffer_store.update(cx, |buffer_store, cx| {
3991                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
3992                        })
3993                    })?
3994                    .await?;
3995                let _ = tx.send(buffer).await;
3996            }
3997
3998            drop(guard);
3999            anyhow::Ok(())
4000        })
4001        .detach_and_log_err(cx);
4002        rx
4003    }
4004
4005    pub fn request_lsp<R: LspCommand>(
4006        &mut self,
4007        buffer_handle: Entity<Buffer>,
4008        server: LanguageServerToQuery,
4009        request: R,
4010        cx: &mut Context<Self>,
4011    ) -> Task<Result<R::Response>>
4012    where
4013        <R::LspRequest as lsp::request::Request>::Result: Send,
4014        <R::LspRequest as lsp::request::Request>::Params: Send,
4015    {
4016        let guard = self.retain_remotely_created_models(cx);
4017        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4018            lsp_store.request_lsp(buffer_handle, server, request, cx)
4019        });
4020        cx.background_spawn(async move {
4021            let result = task.await;
4022            drop(guard);
4023            result
4024        })
4025    }
4026
4027    /// Move a worktree to a new position in the worktree order.
4028    ///
4029    /// The worktree will moved to the opposite side of the destination worktree.
4030    ///
4031    /// # Example
4032    ///
4033    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4034    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4035    ///
4036    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4037    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4038    ///
4039    /// # Errors
4040    ///
4041    /// An error will be returned if the worktree or destination worktree are not found.
4042    pub fn move_worktree(
4043        &mut self,
4044        source: WorktreeId,
4045        destination: WorktreeId,
4046        cx: &mut Context<Self>,
4047    ) -> Result<()> {
4048        self.worktree_store.update(cx, |worktree_store, cx| {
4049            worktree_store.move_worktree(source, destination, cx)
4050        })
4051    }
4052
4053    pub fn find_or_create_worktree(
4054        &mut self,
4055        abs_path: impl AsRef<Path>,
4056        visible: bool,
4057        cx: &mut Context<Self>,
4058    ) -> Task<Result<(Entity<Worktree>, PathBuf)>> {
4059        self.worktree_store.update(cx, |worktree_store, cx| {
4060            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4061        })
4062    }
4063
4064    pub fn find_worktree(&self, abs_path: &Path, cx: &App) -> Option<(Entity<Worktree>, PathBuf)> {
4065        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4066    }
4067
4068    pub fn is_shared(&self) -> bool {
4069        match &self.client_state {
4070            ProjectClientState::Shared { .. } => true,
4071            ProjectClientState::Local => false,
4072            ProjectClientState::Remote { .. } => true,
4073        }
4074    }
4075
4076    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4077    pub fn resolve_path_in_buffer(
4078        &self,
4079        path: &str,
4080        buffer: &Entity<Buffer>,
4081        cx: &mut Context<Self>,
4082    ) -> Task<Option<ResolvedPath>> {
4083        let path_buf = PathBuf::from(path);
4084        if path_buf.is_absolute() || path.starts_with("~") {
4085            self.resolve_abs_path(path, cx)
4086        } else {
4087            self.resolve_path_in_worktrees(path_buf, buffer, cx)
4088        }
4089    }
4090
4091    pub fn resolve_abs_file_path(
4092        &self,
4093        path: &str,
4094        cx: &mut Context<Self>,
4095    ) -> Task<Option<ResolvedPath>> {
4096        let resolve_task = self.resolve_abs_path(path, cx);
4097        cx.background_spawn(async move {
4098            let resolved_path = resolve_task.await;
4099            resolved_path.filter(|path| path.is_file())
4100        })
4101    }
4102
4103    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4104        if self.is_local() {
4105            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4106            let fs = self.fs.clone();
4107            cx.background_spawn(async move {
4108                let path = expanded.as_path();
4109                let metadata = fs.metadata(path).await.ok().flatten();
4110
4111                metadata.map(|metadata| ResolvedPath::AbsPath {
4112                    path: expanded,
4113                    is_dir: metadata.is_dir,
4114                })
4115            })
4116        } else if let Some(ssh_client) = self.ssh_client.as_ref() {
4117            let path_style = ssh_client.read(cx).path_style();
4118            let request_path = RemotePathBuf::from_str(path, path_style);
4119            let request = ssh_client
4120                .read(cx)
4121                .proto_client()
4122                .request(proto::GetPathMetadata {
4123                    project_id: SSH_PROJECT_ID,
4124                    path: request_path.to_proto(),
4125                });
4126            cx.background_spawn(async move {
4127                let response = request.await.log_err()?;
4128                if response.exists {
4129                    Some(ResolvedPath::AbsPath {
4130                        path: PathBuf::from_proto(response.path),
4131                        is_dir: response.is_dir,
4132                    })
4133                } else {
4134                    None
4135                }
4136            })
4137        } else {
4138            return Task::ready(None);
4139        }
4140    }
4141
4142    fn resolve_path_in_worktrees(
4143        &self,
4144        path: PathBuf,
4145        buffer: &Entity<Buffer>,
4146        cx: &mut Context<Self>,
4147    ) -> Task<Option<ResolvedPath>> {
4148        let mut candidates = vec![path.clone()];
4149
4150        if let Some(file) = buffer.read(cx).file()
4151            && let Some(dir) = file.path().parent() {
4152                let joined = dir.to_path_buf().join(path);
4153                candidates.push(joined);
4154            }
4155
4156        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4157        let worktrees_with_ids: Vec<_> = self
4158            .worktrees(cx)
4159            .map(|worktree| {
4160                let id = worktree.read(cx).id();
4161                (worktree, id)
4162            })
4163            .collect();
4164
4165        cx.spawn(async move |_, cx| {
4166            if let Some(buffer_worktree_id) = buffer_worktree_id
4167                && let Some((worktree, _)) = worktrees_with_ids
4168                    .iter()
4169                    .find(|(_, id)| *id == buffer_worktree_id)
4170                {
4171                    for candidate in candidates.iter() {
4172                        if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx)
4173                        {
4174                            return Some(path);
4175                        }
4176                    }
4177                }
4178            for (worktree, id) in worktrees_with_ids {
4179                if Some(id) == buffer_worktree_id {
4180                    continue;
4181                }
4182                for candidate in candidates.iter() {
4183                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4184                        return Some(path);
4185                    }
4186                }
4187            }
4188            None
4189        })
4190    }
4191
4192    fn resolve_path_in_worktree(
4193        worktree: &Entity<Worktree>,
4194        path: &PathBuf,
4195        cx: &mut AsyncApp,
4196    ) -> Option<ResolvedPath> {
4197        worktree
4198            .read_with(cx, |worktree, _| {
4199                let root_entry_path = &worktree.root_entry()?.path;
4200                let resolved = resolve_path(root_entry_path, path);
4201                let stripped = resolved.strip_prefix(root_entry_path).unwrap_or(&resolved);
4202                worktree.entry_for_path(stripped).map(|entry| {
4203                    let project_path = ProjectPath {
4204                        worktree_id: worktree.id(),
4205                        path: entry.path.clone(),
4206                    };
4207                    ResolvedPath::ProjectPath {
4208                        project_path,
4209                        is_dir: entry.is_dir(),
4210                    }
4211                })
4212            })
4213            .ok()?
4214    }
4215
4216    pub fn list_directory(
4217        &self,
4218        query: String,
4219        cx: &mut Context<Self>,
4220    ) -> Task<Result<Vec<DirectoryItem>>> {
4221        if self.is_local() {
4222            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4223        } else if let Some(session) = self.ssh_client.as_ref() {
4224            let path_buf = PathBuf::from(query);
4225            let request = proto::ListRemoteDirectory {
4226                dev_server_id: SSH_PROJECT_ID,
4227                path: path_buf.to_proto(),
4228                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4229            };
4230
4231            let response = session.read(cx).proto_client().request(request);
4232            cx.background_spawn(async move {
4233                let proto::ListRemoteDirectoryResponse {
4234                    entries,
4235                    entry_info,
4236                } = response.await?;
4237                Ok(entries
4238                    .into_iter()
4239                    .zip(entry_info)
4240                    .map(|(entry, info)| DirectoryItem {
4241                        path: PathBuf::from(entry),
4242                        is_dir: info.is_dir,
4243                    })
4244                    .collect())
4245            })
4246        } else {
4247            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4248        }
4249    }
4250
4251    pub fn create_worktree(
4252        &mut self,
4253        abs_path: impl AsRef<Path>,
4254        visible: bool,
4255        cx: &mut Context<Self>,
4256    ) -> Task<Result<Entity<Worktree>>> {
4257        self.worktree_store.update(cx, |worktree_store, cx| {
4258            worktree_store.create_worktree(abs_path, visible, cx)
4259        })
4260    }
4261
4262    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4263        self.worktree_store.update(cx, |worktree_store, cx| {
4264            worktree_store.remove_worktree(id_to_remove, cx);
4265        });
4266    }
4267
4268    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4269        self.worktree_store.update(cx, |worktree_store, cx| {
4270            worktree_store.add(worktree, cx);
4271        });
4272    }
4273
4274    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4275        let new_active_entry = entry.and_then(|project_path| {
4276            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4277            let entry = worktree.read(cx).entry_for_path(project_path.path)?;
4278            Some(entry.id)
4279        });
4280        if new_active_entry != self.active_entry {
4281            self.active_entry = new_active_entry;
4282            self.lsp_store.update(cx, |lsp_store, _| {
4283                lsp_store.set_active_entry(new_active_entry);
4284            });
4285            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4286        }
4287    }
4288
4289    pub fn language_servers_running_disk_based_diagnostics<'a>(
4290        &'a self,
4291        cx: &'a App,
4292    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4293        self.lsp_store
4294            .read(cx)
4295            .language_servers_running_disk_based_diagnostics()
4296    }
4297
4298    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4299        self.lsp_store
4300            .read(cx)
4301            .diagnostic_summary(include_ignored, cx)
4302    }
4303
4304    pub fn diagnostic_summaries<'a>(
4305        &'a self,
4306        include_ignored: bool,
4307        cx: &'a App,
4308    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4309        self.lsp_store
4310            .read(cx)
4311            .diagnostic_summaries(include_ignored, cx)
4312    }
4313
4314    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4315        self.active_entry
4316    }
4317
4318    pub fn entry_for_path(&self, path: &ProjectPath, cx: &App) -> Option<Entry> {
4319        self.worktree_store.read(cx).entry_for_path(path, cx)
4320    }
4321
4322    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4323        let worktree = self.worktree_for_entry(entry_id, cx)?;
4324        let worktree = worktree.read(cx);
4325        let worktree_id = worktree.id();
4326        let path = worktree.entry_for_id(entry_id)?.path.clone();
4327        Some(ProjectPath { worktree_id, path })
4328    }
4329
4330    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4331        self.worktree_for_id(project_path.worktree_id, cx)?
4332            .read(cx)
4333            .absolutize(&project_path.path)
4334            .ok()
4335    }
4336
4337    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4338    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4339    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4340    /// the first visible worktree that has an entry for that relative path.
4341    ///
4342    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4343    /// root name from paths.
4344    ///
4345    /// # Arguments
4346    ///
4347    /// * `path` - A full path that starts with a worktree root name, or alternatively a
4348    ///            relative path within a visible worktree.
4349    /// * `cx` - A reference to the `AppContext`.
4350    ///
4351    /// # Returns
4352    ///
4353    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4354    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4355        let path = path.as_ref();
4356        let worktree_store = self.worktree_store.read(cx);
4357
4358        if path.is_absolute() {
4359            for worktree in worktree_store.visible_worktrees(cx) {
4360                let worktree_abs_path = worktree.read(cx).abs_path();
4361
4362                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path) {
4363                    return Some(ProjectPath {
4364                        worktree_id: worktree.read(cx).id(),
4365                        path: relative_path.into(),
4366                    });
4367                }
4368            }
4369        } else {
4370            for worktree in worktree_store.visible_worktrees(cx) {
4371                let worktree_root_name = worktree.read(cx).root_name();
4372                if let Ok(relative_path) = path.strip_prefix(worktree_root_name) {
4373                    return Some(ProjectPath {
4374                        worktree_id: worktree.read(cx).id(),
4375                        path: relative_path.into(),
4376                    });
4377                }
4378            }
4379
4380            for worktree in worktree_store.visible_worktrees(cx) {
4381                let worktree = worktree.read(cx);
4382                if let Some(entry) = worktree.entry_for_path(path) {
4383                    return Some(ProjectPath {
4384                        worktree_id: worktree.id(),
4385                        path: entry.path.clone(),
4386                    });
4387                }
4388            }
4389        }
4390
4391        None
4392    }
4393
4394    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4395        self.find_worktree(abs_path, cx)
4396            .map(|(worktree, relative_path)| ProjectPath {
4397                worktree_id: worktree.read(cx).id(),
4398                path: relative_path.into(),
4399            })
4400    }
4401
4402    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4403        Some(
4404            self.worktree_for_id(project_path.worktree_id, cx)?
4405                .read(cx)
4406                .abs_path()
4407                .to_path_buf(),
4408        )
4409    }
4410
4411    pub fn blame_buffer(
4412        &self,
4413        buffer: &Entity<Buffer>,
4414        version: Option<clock::Global>,
4415        cx: &mut App,
4416    ) -> Task<Result<Option<Blame>>> {
4417        self.git_store.update(cx, |git_store, cx| {
4418            git_store.blame_buffer(buffer, version, cx)
4419        })
4420    }
4421
4422    pub fn get_permalink_to_line(
4423        &self,
4424        buffer: &Entity<Buffer>,
4425        selection: Range<u32>,
4426        cx: &mut App,
4427    ) -> Task<Result<url::Url>> {
4428        self.git_store.update(cx, |git_store, cx| {
4429            git_store.get_permalink_to_line(buffer, selection, cx)
4430        })
4431    }
4432
4433    // RPC message handlers
4434
4435    async fn handle_unshare_project(
4436        this: Entity<Self>,
4437        _: TypedEnvelope<proto::UnshareProject>,
4438        mut cx: AsyncApp,
4439    ) -> Result<()> {
4440        this.update(&mut cx, |this, cx| {
4441            if this.is_local() || this.is_via_ssh() {
4442                this.unshare(cx)?;
4443            } else {
4444                this.disconnected_from_host(cx);
4445            }
4446            Ok(())
4447        })?
4448    }
4449
4450    async fn handle_add_collaborator(
4451        this: Entity<Self>,
4452        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4453        mut cx: AsyncApp,
4454    ) -> Result<()> {
4455        let collaborator = envelope
4456            .payload
4457            .collaborator
4458            .take()
4459            .context("empty collaborator")?;
4460
4461        let collaborator = Collaborator::from_proto(collaborator)?;
4462        this.update(&mut cx, |this, cx| {
4463            this.buffer_store.update(cx, |buffer_store, _| {
4464                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4465            });
4466            this.breakpoint_store.read(cx).broadcast();
4467            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4468            this.collaborators
4469                .insert(collaborator.peer_id, collaborator);
4470        })?;
4471
4472        Ok(())
4473    }
4474
4475    async fn handle_update_project_collaborator(
4476        this: Entity<Self>,
4477        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4478        mut cx: AsyncApp,
4479    ) -> Result<()> {
4480        let old_peer_id = envelope
4481            .payload
4482            .old_peer_id
4483            .context("missing old peer id")?;
4484        let new_peer_id = envelope
4485            .payload
4486            .new_peer_id
4487            .context("missing new peer id")?;
4488        this.update(&mut cx, |this, cx| {
4489            let collaborator = this
4490                .collaborators
4491                .remove(&old_peer_id)
4492                .context("received UpdateProjectCollaborator for unknown peer")?;
4493            let is_host = collaborator.is_host;
4494            this.collaborators.insert(new_peer_id, collaborator);
4495
4496            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4497            this.buffer_store.update(cx, |buffer_store, _| {
4498                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4499            });
4500
4501            if is_host {
4502                this.buffer_store
4503                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4504                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4505                    .unwrap();
4506                cx.emit(Event::HostReshared);
4507            }
4508
4509            cx.emit(Event::CollaboratorUpdated {
4510                old_peer_id,
4511                new_peer_id,
4512            });
4513            Ok(())
4514        })?
4515    }
4516
4517    async fn handle_remove_collaborator(
4518        this: Entity<Self>,
4519        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4520        mut cx: AsyncApp,
4521    ) -> Result<()> {
4522        this.update(&mut cx, |this, cx| {
4523            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4524            let replica_id = this
4525                .collaborators
4526                .remove(&peer_id)
4527                .with_context(|| format!("unknown peer {peer_id:?}"))?
4528                .replica_id;
4529            this.buffer_store.update(cx, |buffer_store, cx| {
4530                buffer_store.forget_shared_buffers_for(&peer_id);
4531                for buffer in buffer_store.buffers() {
4532                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4533                }
4534            });
4535            this.git_store.update(cx, |git_store, _| {
4536                git_store.forget_shared_diffs_for(&peer_id);
4537            });
4538
4539            cx.emit(Event::CollaboratorLeft(peer_id));
4540            Ok(())
4541        })?
4542    }
4543
4544    async fn handle_update_project(
4545        this: Entity<Self>,
4546        envelope: TypedEnvelope<proto::UpdateProject>,
4547        mut cx: AsyncApp,
4548    ) -> Result<()> {
4549        this.update(&mut cx, |this, cx| {
4550            // Don't handle messages that were sent before the response to us joining the project
4551            if envelope.message_id > this.join_project_response_message_id {
4552                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4553            }
4554            Ok(())
4555        })?
4556    }
4557
4558    async fn handle_toast(
4559        this: Entity<Self>,
4560        envelope: TypedEnvelope<proto::Toast>,
4561        mut cx: AsyncApp,
4562    ) -> Result<()> {
4563        this.update(&mut cx, |_, cx| {
4564            cx.emit(Event::Toast {
4565                notification_id: envelope.payload.notification_id.into(),
4566                message: envelope.payload.message,
4567            });
4568            Ok(())
4569        })?
4570    }
4571
4572    async fn handle_language_server_prompt_request(
4573        this: Entity<Self>,
4574        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4575        mut cx: AsyncApp,
4576    ) -> Result<proto::LanguageServerPromptResponse> {
4577        let (tx, rx) = smol::channel::bounded(1);
4578        let actions: Vec<_> = envelope
4579            .payload
4580            .actions
4581            .into_iter()
4582            .map(|action| MessageActionItem {
4583                title: action,
4584                properties: Default::default(),
4585            })
4586            .collect();
4587        this.update(&mut cx, |_, cx| {
4588            cx.emit(Event::LanguageServerPrompt(LanguageServerPromptRequest {
4589                level: proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4590                message: envelope.payload.message,
4591                actions: actions.clone(),
4592                lsp_name: envelope.payload.lsp_name,
4593                response_channel: tx,
4594            }));
4595
4596            anyhow::Ok(())
4597        })??;
4598
4599        // We drop `this` to avoid holding a reference in this future for too
4600        // long.
4601        // If we keep the reference, we might not drop the `Project` early
4602        // enough when closing a window and it will only get releases on the
4603        // next `flush_effects()` call.
4604        drop(this);
4605
4606        let mut rx = pin!(rx);
4607        let answer = rx.next().await;
4608
4609        Ok(LanguageServerPromptResponse {
4610            action_response: answer.and_then(|answer| {
4611                actions
4612                    .iter()
4613                    .position(|action| *action == answer)
4614                    .map(|index| index as u64)
4615            }),
4616        })
4617    }
4618
4619    async fn handle_hide_toast(
4620        this: Entity<Self>,
4621        envelope: TypedEnvelope<proto::HideToast>,
4622        mut cx: AsyncApp,
4623    ) -> Result<()> {
4624        this.update(&mut cx, |_, cx| {
4625            cx.emit(Event::HideToast {
4626                notification_id: envelope.payload.notification_id.into(),
4627            });
4628            Ok(())
4629        })?
4630    }
4631
4632    // Collab sends UpdateWorktree protos as messages
4633    async fn handle_update_worktree(
4634        this: Entity<Self>,
4635        envelope: TypedEnvelope<proto::UpdateWorktree>,
4636        mut cx: AsyncApp,
4637    ) -> Result<()> {
4638        this.update(&mut cx, |this, cx| {
4639            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4640            if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
4641                worktree.update(cx, |worktree, _| {
4642                    let worktree = worktree.as_remote_mut().unwrap();
4643                    worktree.update_from_remote(envelope.payload);
4644                });
4645            }
4646            Ok(())
4647        })?
4648    }
4649
4650    async fn handle_update_buffer_from_ssh(
4651        this: Entity<Self>,
4652        envelope: TypedEnvelope<proto::UpdateBuffer>,
4653        cx: AsyncApp,
4654    ) -> Result<proto::Ack> {
4655        let buffer_store = this.read_with(&cx, |this, cx| {
4656            if let Some(remote_id) = this.remote_id() {
4657                let mut payload = envelope.payload.clone();
4658                payload.project_id = remote_id;
4659                cx.background_spawn(this.client.request(payload))
4660                    .detach_and_log_err(cx);
4661            }
4662            this.buffer_store.clone()
4663        })?;
4664        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4665    }
4666
4667    async fn handle_update_buffer(
4668        this: Entity<Self>,
4669        envelope: TypedEnvelope<proto::UpdateBuffer>,
4670        cx: AsyncApp,
4671    ) -> Result<proto::Ack> {
4672        let buffer_store = this.read_with(&cx, |this, cx| {
4673            if let Some(ssh) = &this.ssh_client {
4674                let mut payload = envelope.payload.clone();
4675                payload.project_id = SSH_PROJECT_ID;
4676                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
4677                    .detach_and_log_err(cx);
4678            }
4679            this.buffer_store.clone()
4680        })?;
4681        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4682    }
4683
4684    fn retain_remotely_created_models(
4685        &mut self,
4686        cx: &mut Context<Self>,
4687    ) -> RemotelyCreatedModelGuard {
4688        {
4689            let mut remotely_create_models = self.remotely_created_models.lock();
4690            if remotely_create_models.retain_count == 0 {
4691                remotely_create_models.buffers = self.buffer_store.read(cx).buffers().collect();
4692                remotely_create_models.worktrees =
4693                    self.worktree_store.read(cx).worktrees().collect();
4694            }
4695            remotely_create_models.retain_count += 1;
4696        }
4697        RemotelyCreatedModelGuard {
4698            remote_models: Arc::downgrade(&self.remotely_created_models),
4699        }
4700    }
4701
4702    async fn handle_create_buffer_for_peer(
4703        this: Entity<Self>,
4704        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
4705        mut cx: AsyncApp,
4706    ) -> Result<()> {
4707        this.update(&mut cx, |this, cx| {
4708            this.buffer_store.update(cx, |buffer_store, cx| {
4709                buffer_store.handle_create_buffer_for_peer(
4710                    envelope,
4711                    this.replica_id(),
4712                    this.capability(),
4713                    cx,
4714                )
4715            })
4716        })?
4717    }
4718
4719    async fn handle_synchronize_buffers(
4720        this: Entity<Self>,
4721        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
4722        mut cx: AsyncApp,
4723    ) -> Result<proto::SynchronizeBuffersResponse> {
4724        let response = this.update(&mut cx, |this, cx| {
4725            let client = this.client.clone();
4726            this.buffer_store.update(cx, |this, cx| {
4727                this.handle_synchronize_buffers(envelope, cx, client)
4728            })
4729        })??;
4730
4731        Ok(response)
4732    }
4733
4734    async fn handle_search_candidate_buffers(
4735        this: Entity<Self>,
4736        envelope: TypedEnvelope<proto::FindSearchCandidates>,
4737        mut cx: AsyncApp,
4738    ) -> Result<proto::FindSearchCandidatesResponse> {
4739        let peer_id = envelope.original_sender_id()?;
4740        let message = envelope.payload;
4741        let query = SearchQuery::from_proto(message.query.context("missing query field")?)?;
4742        let results = this.update(&mut cx, |this, cx| {
4743            this.find_search_candidate_buffers(&query, message.limit as _, cx)
4744        })?;
4745
4746        let mut response = proto::FindSearchCandidatesResponse {
4747            buffer_ids: Vec::new(),
4748        };
4749
4750        while let Ok(buffer) = results.recv().await {
4751            this.update(&mut cx, |this, cx| {
4752                let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
4753                response.buffer_ids.push(buffer_id.to_proto());
4754            })?;
4755        }
4756
4757        Ok(response)
4758    }
4759
4760    async fn handle_open_buffer_by_id(
4761        this: Entity<Self>,
4762        envelope: TypedEnvelope<proto::OpenBufferById>,
4763        mut cx: AsyncApp,
4764    ) -> Result<proto::OpenBufferResponse> {
4765        let peer_id = envelope.original_sender_id()?;
4766        let buffer_id = BufferId::new(envelope.payload.id)?;
4767        let buffer = this
4768            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))?
4769            .await?;
4770        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4771    }
4772
4773    async fn handle_open_buffer_by_path(
4774        this: Entity<Self>,
4775        envelope: TypedEnvelope<proto::OpenBufferByPath>,
4776        mut cx: AsyncApp,
4777    ) -> Result<proto::OpenBufferResponse> {
4778        let peer_id = envelope.original_sender_id()?;
4779        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4780        let open_buffer = this.update(&mut cx, |this, cx| {
4781            this.open_buffer(
4782                ProjectPath {
4783                    worktree_id,
4784                    path: Arc::<Path>::from_proto(envelope.payload.path),
4785                },
4786                cx,
4787            )
4788        })?;
4789
4790        let buffer = open_buffer.await?;
4791        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4792    }
4793
4794    async fn handle_open_new_buffer(
4795        this: Entity<Self>,
4796        envelope: TypedEnvelope<proto::OpenNewBuffer>,
4797        mut cx: AsyncApp,
4798    ) -> Result<proto::OpenBufferResponse> {
4799        let buffer = this
4800            .update(&mut cx, |this, cx| this.create_buffer(cx))?
4801            .await?;
4802        let peer_id = envelope.original_sender_id()?;
4803
4804        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4805    }
4806
4807    fn respond_to_open_buffer_request(
4808        this: Entity<Self>,
4809        buffer: Entity<Buffer>,
4810        peer_id: proto::PeerId,
4811        cx: &mut AsyncApp,
4812    ) -> Result<proto::OpenBufferResponse> {
4813        this.update(cx, |this, cx| {
4814            let is_private = buffer
4815                .read(cx)
4816                .file()
4817                .map(|f| f.is_private())
4818                .unwrap_or_default();
4819            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
4820            Ok(proto::OpenBufferResponse {
4821                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
4822            })
4823        })?
4824    }
4825
4826    fn create_buffer_for_peer(
4827        &mut self,
4828        buffer: &Entity<Buffer>,
4829        peer_id: proto::PeerId,
4830        cx: &mut App,
4831    ) -> BufferId {
4832        self.buffer_store
4833            .update(cx, |buffer_store, cx| {
4834                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
4835            })
4836            .detach_and_log_err(cx);
4837        buffer.read(cx).remote_id()
4838    }
4839
4840    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
4841        let project_id = match self.client_state {
4842            ProjectClientState::Remote {
4843                sharing_has_stopped,
4844                remote_id,
4845                ..
4846            } => {
4847                if sharing_has_stopped {
4848                    return Task::ready(Err(anyhow!(
4849                        "can't synchronize remote buffers on a readonly project"
4850                    )));
4851                } else {
4852                    remote_id
4853                }
4854            }
4855            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
4856                return Task::ready(Err(anyhow!(
4857                    "can't synchronize remote buffers on a local project"
4858                )));
4859            }
4860        };
4861
4862        let client = self.client.clone();
4863        cx.spawn(async move |this, cx| {
4864            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
4865                this.buffer_store.read(cx).buffer_version_info(cx)
4866            })?;
4867            let response = client
4868                .request(proto::SynchronizeBuffers {
4869                    project_id,
4870                    buffers,
4871                })
4872                .await?;
4873
4874            let send_updates_for_buffers = this.update(cx, |this, cx| {
4875                response
4876                    .buffers
4877                    .into_iter()
4878                    .map(|buffer| {
4879                        let client = client.clone();
4880                        let buffer_id = match BufferId::new(buffer.id) {
4881                            Ok(id) => id,
4882                            Err(e) => {
4883                                return Task::ready(Err(e));
4884                            }
4885                        };
4886                        let remote_version = language::proto::deserialize_version(&buffer.version);
4887                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
4888                            let operations =
4889                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
4890                            cx.background_spawn(async move {
4891                                let operations = operations.await;
4892                                for chunk in split_operations(operations) {
4893                                    client
4894                                        .request(proto::UpdateBuffer {
4895                                            project_id,
4896                                            buffer_id: buffer_id.into(),
4897                                            operations: chunk,
4898                                        })
4899                                        .await?;
4900                                }
4901                                anyhow::Ok(())
4902                            })
4903                        } else {
4904                            Task::ready(Ok(()))
4905                        }
4906                    })
4907                    .collect::<Vec<_>>()
4908            })?;
4909
4910            // Any incomplete buffers have open requests waiting. Request that the host sends
4911            // creates these buffers for us again to unblock any waiting futures.
4912            for id in incomplete_buffer_ids {
4913                cx.background_spawn(client.request(proto::OpenBufferById {
4914                    project_id,
4915                    id: id.into(),
4916                }))
4917                .detach();
4918            }
4919
4920            futures::future::join_all(send_updates_for_buffers)
4921                .await
4922                .into_iter()
4923                .collect()
4924        })
4925    }
4926
4927    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
4928        self.worktree_store.read(cx).worktree_metadata_protos(cx)
4929    }
4930
4931    /// Iterator of all open buffers that have unsaved changes
4932    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
4933        self.buffer_store.read(cx).buffers().filter_map(|buf| {
4934            let buf = buf.read(cx);
4935            if buf.is_dirty() {
4936                buf.project_path(cx)
4937            } else {
4938                None
4939            }
4940        })
4941    }
4942
4943    fn set_worktrees_from_proto(
4944        &mut self,
4945        worktrees: Vec<proto::WorktreeMetadata>,
4946        cx: &mut Context<Project>,
4947    ) -> Result<()> {
4948        self.worktree_store.update(cx, |worktree_store, cx| {
4949            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
4950        })
4951    }
4952
4953    fn set_collaborators_from_proto(
4954        &mut self,
4955        messages: Vec<proto::Collaborator>,
4956        cx: &mut Context<Self>,
4957    ) -> Result<()> {
4958        let mut collaborators = HashMap::default();
4959        for message in messages {
4960            let collaborator = Collaborator::from_proto(message)?;
4961            collaborators.insert(collaborator.peer_id, collaborator);
4962        }
4963        for old_peer_id in self.collaborators.keys() {
4964            if !collaborators.contains_key(old_peer_id) {
4965                cx.emit(Event::CollaboratorLeft(*old_peer_id));
4966            }
4967        }
4968        self.collaborators = collaborators;
4969        Ok(())
4970    }
4971
4972    pub fn supplementary_language_servers<'a>(
4973        &'a self,
4974        cx: &'a App,
4975    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
4976        self.lsp_store.read(cx).supplementary_language_servers()
4977    }
4978
4979    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
4980        let Some(language) = buffer.language().cloned() else {
4981            return false;
4982        };
4983        self.lsp_store.update(cx, |lsp_store, _| {
4984            let relevant_language_servers = lsp_store
4985                .languages
4986                .lsp_adapters(&language.name())
4987                .into_iter()
4988                .map(|lsp_adapter| lsp_adapter.name())
4989                .collect::<HashSet<_>>();
4990            lsp_store
4991                .language_server_statuses()
4992                .filter_map(|(server_id, server_status)| {
4993                    relevant_language_servers
4994                        .contains(&server_status.name)
4995                        .then_some(server_id)
4996                })
4997                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
4998                .any(InlayHints::check_capabilities)
4999        })
5000    }
5001
5002    pub fn language_server_id_for_name(
5003        &self,
5004        buffer: &Buffer,
5005        name: &LanguageServerName,
5006        cx: &App,
5007    ) -> Option<LanguageServerId> {
5008        let language = buffer.language()?;
5009        let relevant_language_servers = self
5010            .languages
5011            .lsp_adapters(&language.name())
5012            .into_iter()
5013            .map(|lsp_adapter| lsp_adapter.name())
5014            .collect::<HashSet<_>>();
5015        if !relevant_language_servers.contains(name) {
5016            return None;
5017        }
5018        self.language_server_statuses(cx)
5019            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5020            .find_map(|(server_id, server_status)| {
5021                if &server_status.name == name {
5022                    Some(server_id)
5023                } else {
5024                    None
5025                }
5026            })
5027    }
5028
5029    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5030        self.lsp_store.update(cx, |this, cx| {
5031            this.language_servers_for_local_buffer(buffer, cx)
5032                .next()
5033                .is_some()
5034        })
5035    }
5036
5037    pub fn git_init(
5038        &self,
5039        path: Arc<Path>,
5040        fallback_branch_name: String,
5041        cx: &App,
5042    ) -> Task<Result<()>> {
5043        self.git_store
5044            .read(cx)
5045            .git_init(path, fallback_branch_name, cx)
5046    }
5047
5048    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5049        &self.buffer_store
5050    }
5051
5052    pub fn git_store(&self) -> &Entity<GitStore> {
5053        &self.git_store
5054    }
5055
5056    #[cfg(test)]
5057    fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
5058        cx.spawn(async move |this, cx| {
5059            let scans_complete = this
5060                .read_with(cx, |this, cx| {
5061                    this.worktrees(cx)
5062                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
5063                        .collect::<Vec<_>>()
5064                })
5065                .unwrap();
5066            join_all(scans_complete).await;
5067            let barriers = this
5068                .update(cx, |this, cx| {
5069                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
5070                    repos
5071                        .into_iter()
5072                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
5073                        .collect::<Vec<_>>()
5074                })
5075                .unwrap();
5076            join_all(barriers).await;
5077        })
5078    }
5079
5080    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
5081        self.git_store.read(cx).active_repository()
5082    }
5083
5084    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
5085        self.git_store.read(cx).repositories()
5086    }
5087
5088    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
5089        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
5090    }
5091
5092    pub fn set_agent_location(
5093        &mut self,
5094        new_location: Option<AgentLocation>,
5095        cx: &mut Context<Self>,
5096    ) {
5097        if let Some(old_location) = self.agent_location.as_ref() {
5098            old_location
5099                .buffer
5100                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
5101                .ok();
5102        }
5103
5104        if let Some(location) = new_location.as_ref() {
5105            location
5106                .buffer
5107                .update(cx, |buffer, cx| {
5108                    buffer.set_agent_selections(
5109                        Arc::from([language::Selection {
5110                            id: 0,
5111                            start: location.position,
5112                            end: location.position,
5113                            reversed: false,
5114                            goal: language::SelectionGoal::None,
5115                        }]),
5116                        false,
5117                        CursorShape::Hollow,
5118                        cx,
5119                    )
5120                })
5121                .ok();
5122        }
5123
5124        self.agent_location = new_location;
5125        cx.emit(Event::AgentLocationChanged);
5126    }
5127
5128    pub fn agent_location(&self) -> Option<AgentLocation> {
5129        self.agent_location.clone()
5130    }
5131
5132    pub fn mark_buffer_as_non_searchable(&self, buffer_id: BufferId, cx: &mut Context<Project>) {
5133        self.buffer_store.update(cx, |buffer_store, _| {
5134            buffer_store.mark_buffer_as_non_searchable(buffer_id)
5135        });
5136    }
5137}
5138
5139pub struct PathMatchCandidateSet {
5140    pub snapshot: Snapshot,
5141    pub include_ignored: bool,
5142    pub include_root_name: bool,
5143    pub candidates: Candidates,
5144}
5145
5146pub enum Candidates {
5147    /// Only consider directories.
5148    Directories,
5149    /// Only consider files.
5150    Files,
5151    /// Consider directories and files.
5152    Entries,
5153}
5154
5155impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
5156    type Candidates = PathMatchCandidateSetIter<'a>;
5157
5158    fn id(&self) -> usize {
5159        self.snapshot.id().to_usize()
5160    }
5161
5162    fn len(&self) -> usize {
5163        match self.candidates {
5164            Candidates::Files => {
5165                if self.include_ignored {
5166                    self.snapshot.file_count()
5167                } else {
5168                    self.snapshot.visible_file_count()
5169                }
5170            }
5171
5172            Candidates::Directories => {
5173                if self.include_ignored {
5174                    self.snapshot.dir_count()
5175                } else {
5176                    self.snapshot.visible_dir_count()
5177                }
5178            }
5179
5180            Candidates::Entries => {
5181                if self.include_ignored {
5182                    self.snapshot.entry_count()
5183                } else {
5184                    self.snapshot.visible_entry_count()
5185                }
5186            }
5187        }
5188    }
5189
5190    fn prefix(&self) -> Arc<str> {
5191        if self.snapshot.root_entry().map_or(false, |e| e.is_file()) {
5192            self.snapshot.root_name().into()
5193        } else if self.include_root_name {
5194            format!("{}{}", self.snapshot.root_name(), std::path::MAIN_SEPARATOR).into()
5195        } else {
5196            Arc::default()
5197        }
5198    }
5199
5200    fn candidates(&'a self, start: usize) -> Self::Candidates {
5201        PathMatchCandidateSetIter {
5202            traversal: match self.candidates {
5203                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5204                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5205                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5206            },
5207        }
5208    }
5209}
5210
5211pub struct PathMatchCandidateSetIter<'a> {
5212    traversal: Traversal<'a>,
5213}
5214
5215impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5216    type Item = fuzzy::PathMatchCandidate<'a>;
5217
5218    fn next(&mut self) -> Option<Self::Item> {
5219        self.traversal
5220            .next()
5221            .map(|entry| fuzzy::PathMatchCandidate {
5222                is_dir: entry.kind.is_dir(),
5223                path: &entry.path,
5224                char_bag: entry.char_bag,
5225            })
5226    }
5227}
5228
5229impl EventEmitter<Event> for Project {}
5230
5231impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5232    fn from(val: &'a ProjectPath) -> Self {
5233        SettingsLocation {
5234            worktree_id: val.worktree_id,
5235            path: val.path.as_ref(),
5236        }
5237    }
5238}
5239
5240impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
5241    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5242        Self {
5243            worktree_id,
5244            path: path.as_ref().into(),
5245        }
5246    }
5247}
5248
5249pub fn relativize_path(base: &Path, path: &Path) -> PathBuf {
5250    let mut path_components = path.components();
5251    let mut base_components = base.components();
5252    let mut components: Vec<Component> = Vec::new();
5253    loop {
5254        match (path_components.next(), base_components.next()) {
5255            (None, None) => break,
5256            (Some(a), None) => {
5257                components.push(a);
5258                components.extend(path_components.by_ref());
5259                break;
5260            }
5261            (None, _) => components.push(Component::ParentDir),
5262            (Some(a), Some(b)) if components.is_empty() && a == b => (),
5263            (Some(a), Some(Component::CurDir)) => components.push(a),
5264            (Some(a), Some(_)) => {
5265                components.push(Component::ParentDir);
5266                for _ in base_components {
5267                    components.push(Component::ParentDir);
5268                }
5269                components.push(a);
5270                components.extend(path_components.by_ref());
5271                break;
5272            }
5273        }
5274    }
5275    components.iter().map(|c| c.as_os_str()).collect()
5276}
5277
5278fn resolve_path(base: &Path, path: &Path) -> PathBuf {
5279    let mut result = base.to_path_buf();
5280    for component in path.components() {
5281        match component {
5282            Component::ParentDir => {
5283                result.pop();
5284            }
5285            Component::CurDir => (),
5286            _ => result.push(component),
5287        }
5288    }
5289    result
5290}
5291
5292/// ResolvedPath is a path that has been resolved to either a ProjectPath
5293/// or an AbsPath and that *exists*.
5294#[derive(Debug, Clone)]
5295pub enum ResolvedPath {
5296    ProjectPath {
5297        project_path: ProjectPath,
5298        is_dir: bool,
5299    },
5300    AbsPath {
5301        path: PathBuf,
5302        is_dir: bool,
5303    },
5304}
5305
5306impl ResolvedPath {
5307    pub fn abs_path(&self) -> Option<&Path> {
5308        match self {
5309            Self::AbsPath { path, .. } => Some(path.as_path()),
5310            _ => None,
5311        }
5312    }
5313
5314    pub fn into_abs_path(self) -> Option<PathBuf> {
5315        match self {
5316            Self::AbsPath { path, .. } => Some(path),
5317            _ => None,
5318        }
5319    }
5320
5321    pub fn project_path(&self) -> Option<&ProjectPath> {
5322        match self {
5323            Self::ProjectPath { project_path, .. } => Some(project_path),
5324            _ => None,
5325        }
5326    }
5327
5328    pub fn is_file(&self) -> bool {
5329        !self.is_dir()
5330    }
5331
5332    pub fn is_dir(&self) -> bool {
5333        match self {
5334            Self::ProjectPath { is_dir, .. } => *is_dir,
5335            Self::AbsPath { is_dir, .. } => *is_dir,
5336        }
5337    }
5338}
5339
5340impl ProjectItem for Buffer {
5341    fn try_open(
5342        project: &Entity<Project>,
5343        path: &ProjectPath,
5344        cx: &mut App,
5345    ) -> Option<Task<Result<Entity<Self>>>> {
5346        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5347    }
5348
5349    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId> {
5350        File::from_dyn(self.file()).and_then(|file| file.project_entry_id(cx))
5351    }
5352
5353    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5354        self.file().map(|file| ProjectPath {
5355            worktree_id: file.worktree_id(cx),
5356            path: file.path().clone(),
5357        })
5358    }
5359
5360    fn is_dirty(&self) -> bool {
5361        self.is_dirty()
5362    }
5363}
5364
5365impl Completion {
5366    pub fn kind(&self) -> Option<CompletionItemKind> {
5367        self.source
5368            // `lsp::CompletionListItemDefaults` has no `kind` field
5369            .lsp_completion(false)
5370            .and_then(|lsp_completion| lsp_completion.kind)
5371    }
5372
5373    pub fn label(&self) -> Option<String> {
5374        self.source
5375            .lsp_completion(false)
5376            .map(|lsp_completion| lsp_completion.label.clone())
5377    }
5378
5379    /// A key that can be used to sort completions when displaying
5380    /// them to the user.
5381    pub fn sort_key(&self) -> (usize, &str) {
5382        const DEFAULT_KIND_KEY: usize = 4;
5383        let kind_key = self
5384            .kind()
5385            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5386                lsp::CompletionItemKind::KEYWORD => Some(0),
5387                lsp::CompletionItemKind::VARIABLE => Some(1),
5388                lsp::CompletionItemKind::CONSTANT => Some(2),
5389                lsp::CompletionItemKind::PROPERTY => Some(3),
5390                _ => None,
5391            })
5392            .unwrap_or(DEFAULT_KIND_KEY);
5393        (kind_key, self.label.filter_text())
5394    }
5395
5396    /// Whether this completion is a snippet.
5397    pub fn is_snippet(&self) -> bool {
5398        self.source
5399            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5400            .lsp_completion(true)
5401            .map_or(false, |lsp_completion| {
5402                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5403            })
5404    }
5405
5406    /// Returns the corresponding color for this completion.
5407    ///
5408    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5409    pub fn color(&self) -> Option<Hsla> {
5410        // `lsp::CompletionListItemDefaults` has no `kind` field
5411        let lsp_completion = self.source.lsp_completion(false)?;
5412        if lsp_completion.kind? == CompletionItemKind::COLOR {
5413            return color_extractor::extract_color(&lsp_completion);
5414        }
5415        None
5416    }
5417}
5418
5419pub fn sort_worktree_entries(entries: &mut [impl AsRef<Entry>]) {
5420    entries.sort_by(|entry_a, entry_b| {
5421        let entry_a = entry_a.as_ref();
5422        let entry_b = entry_b.as_ref();
5423        compare_paths(
5424            (&entry_a.path, entry_a.is_file()),
5425            (&entry_b.path, entry_b.is_file()),
5426        )
5427    });
5428}
5429
5430fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5431    match level {
5432        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5433        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5434        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5435    }
5436}
5437
5438fn provide_inline_values(
5439    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
5440    snapshot: &language::BufferSnapshot,
5441    max_row: usize,
5442) -> Vec<InlineValueLocation> {
5443    let mut variables = Vec::new();
5444    let mut variable_position = HashSet::default();
5445    let mut scopes = Vec::new();
5446
5447    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
5448
5449    for (capture_range, capture_kind) in captures {
5450        match capture_kind {
5451            language::DebuggerTextObject::Variable => {
5452                let variable_name = snapshot
5453                    .text_for_range(capture_range.clone())
5454                    .collect::<String>();
5455                let point = snapshot.offset_to_point(capture_range.end);
5456
5457                while scopes.last().map_or(false, |scope: &Range<_>| {
5458                    !scope.contains(&capture_range.start)
5459                }) {
5460                    scopes.pop();
5461                }
5462
5463                if point.row as usize > max_row {
5464                    break;
5465                }
5466
5467                let scope = if scopes
5468                    .last()
5469                    .map_or(true, |scope| !scope.contains(&active_debug_line_offset))
5470                {
5471                    VariableScope::Global
5472                } else {
5473                    VariableScope::Local
5474                };
5475
5476                if variable_position.insert(capture_range.end) {
5477                    variables.push(InlineValueLocation {
5478                        variable_name,
5479                        scope,
5480                        lookup: VariableLookupKind::Variable,
5481                        row: point.row as usize,
5482                        column: point.column as usize,
5483                    });
5484                }
5485            }
5486            language::DebuggerTextObject::Scope => {
5487                while scopes.last().map_or_else(
5488                    || false,
5489                    |scope: &Range<usize>| {
5490                        !(scope.contains(&capture_range.start)
5491                            && scope.contains(&capture_range.end))
5492                    },
5493                ) {
5494                    scopes.pop();
5495                }
5496                scopes.push(capture_range);
5497            }
5498        }
5499    }
5500
5501    variables
5502}
5503
5504#[cfg(test)]
5505mod disable_ai_settings_tests {
5506    use super::*;
5507    use gpui::TestAppContext;
5508    use settings::{Settings, SettingsSources};
5509
5510    #[gpui::test]
5511    async fn test_disable_ai_settings_security(cx: &mut TestAppContext) {
5512        cx.update(|cx| {
5513            // Test 1: Default is false (AI enabled)
5514            let sources = SettingsSources {
5515                default: &Some(false),
5516                global: None,
5517                extensions: None,
5518                user: None,
5519                release_channel: None,
5520                operating_system: None,
5521                profile: None,
5522                server: None,
5523                project: &[],
5524            };
5525            let settings = DisableAiSettings::load(sources, cx).unwrap();
5526            assert_eq!(settings.disable_ai, false, "Default should allow AI");
5527
5528            // Test 2: Global true, local false -> still disabled (local cannot re-enable)
5529            let global_true = Some(true);
5530            let local_false = Some(false);
5531            let sources = SettingsSources {
5532                default: &Some(false),
5533                global: None,
5534                extensions: None,
5535                user: Some(&global_true),
5536                release_channel: None,
5537                operating_system: None,
5538                profile: None,
5539                server: None,
5540                project: &[&local_false],
5541            };
5542            let settings = DisableAiSettings::load(sources, cx).unwrap();
5543            assert_eq!(
5544                settings.disable_ai, true,
5545                "Local false cannot override global true"
5546            );
5547
5548            // Test 3: Global false, local true -> disabled (local can make more restrictive)
5549            let global_false = Some(false);
5550            let local_true = Some(true);
5551            let sources = SettingsSources {
5552                default: &Some(false),
5553                global: None,
5554                extensions: None,
5555                user: Some(&global_false),
5556                release_channel: None,
5557                operating_system: None,
5558                profile: None,
5559                server: None,
5560                project: &[&local_true],
5561            };
5562            let settings = DisableAiSettings::load(sources, cx).unwrap();
5563            assert_eq!(
5564                settings.disable_ai, true,
5565                "Local true can override global false"
5566            );
5567
5568            // Test 4: Server can only make more restrictive (set to true)
5569            let user_false = Some(false);
5570            let server_true = Some(true);
5571            let sources = SettingsSources {
5572                default: &Some(false),
5573                global: None,
5574                extensions: None,
5575                user: Some(&user_false),
5576                release_channel: None,
5577                operating_system: None,
5578                profile: None,
5579                server: Some(&server_true),
5580                project: &[],
5581            };
5582            let settings = DisableAiSettings::load(sources, cx).unwrap();
5583            assert_eq!(
5584                settings.disable_ai, true,
5585                "Server can set to true even if user is false"
5586            );
5587
5588            // Test 5: Server false cannot override user true
5589            let user_true = Some(true);
5590            let server_false = Some(false);
5591            let sources = SettingsSources {
5592                default: &Some(false),
5593                global: None,
5594                extensions: None,
5595                user: Some(&user_true),
5596                release_channel: None,
5597                operating_system: None,
5598                profile: None,
5599                server: Some(&server_false),
5600                project: &[],
5601            };
5602            let settings = DisableAiSettings::load(sources, cx).unwrap();
5603            assert_eq!(
5604                settings.disable_ai, true,
5605                "Server false cannot override user true"
5606            );
5607
5608            // Test 6: Multiple local settings, any true disables AI
5609            let global_false = Some(false);
5610            let local_false3 = Some(false);
5611            let local_true2 = Some(true);
5612            let local_false4 = Some(false);
5613            let sources = SettingsSources {
5614                default: &Some(false),
5615                global: None,
5616                extensions: None,
5617                user: Some(&global_false),
5618                release_channel: None,
5619                operating_system: None,
5620                profile: None,
5621                server: None,
5622                project: &[&local_false3, &local_true2, &local_false4],
5623            };
5624            let settings = DisableAiSettings::load(sources, cx).unwrap();
5625            assert_eq!(
5626                settings.disable_ai, true,
5627                "Any local true should disable AI"
5628            );
5629
5630            // Test 7: All three sources can independently disable AI
5631            let user_false2 = Some(false);
5632            let server_false2 = Some(false);
5633            let local_true3 = Some(true);
5634            let sources = SettingsSources {
5635                default: &Some(false),
5636                global: None,
5637                extensions: None,
5638                user: Some(&user_false2),
5639                release_channel: None,
5640                operating_system: None,
5641                profile: None,
5642                server: Some(&server_false2),
5643                project: &[&local_true3],
5644            };
5645            let settings = DisableAiSettings::load(sources, cx).unwrap();
5646            assert_eq!(
5647                settings.disable_ai, true,
5648                "Local can disable even if user and server are false"
5649            );
5650        });
5651    }
5652}