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    UnsavedBufferEdit(Entity<Buffer>),
 330    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 331    AgentLocationChanged,
 332}
 333
 334pub struct AgentLocationChanged;
 335
 336pub enum DebugAdapterClientState {
 337    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 338    Running(Arc<DebugAdapterClient>),
 339}
 340
 341#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 342pub struct ProjectPath {
 343    pub worktree_id: WorktreeId,
 344    pub path: Arc<Path>,
 345}
 346
 347impl ProjectPath {
 348    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 349        ProjectPath {
 350            worktree_id: value.worktree_id(cx),
 351            path: value.path().clone(),
 352        }
 353    }
 354
 355    pub fn from_proto(p: proto::ProjectPath) -> Self {
 356        Self {
 357            worktree_id: WorktreeId::from_proto(p.worktree_id),
 358            path: Arc::<Path>::from_proto(p.path),
 359        }
 360    }
 361
 362    pub fn to_proto(&self) -> proto::ProjectPath {
 363        proto::ProjectPath {
 364            worktree_id: self.worktree_id.to_proto(),
 365            path: self.path.as_ref().to_proto(),
 366        }
 367    }
 368
 369    pub fn root_path(worktree_id: WorktreeId) -> Self {
 370        Self {
 371            worktree_id,
 372            path: Path::new("").into(),
 373        }
 374    }
 375
 376    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 377        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 378    }
 379}
 380
 381#[derive(Debug, Default)]
 382pub enum PrepareRenameResponse {
 383    Success(Range<Anchor>),
 384    OnlyUnpreparedRenameSupported,
 385    #[default]
 386    InvalidPosition,
 387}
 388
 389#[derive(Debug, Clone, PartialEq, Eq)]
 390pub struct InlayHint {
 391    pub position: language::Anchor,
 392    pub label: InlayHintLabel,
 393    pub kind: Option<InlayHintKind>,
 394    pub padding_left: bool,
 395    pub padding_right: bool,
 396    pub tooltip: Option<InlayHintTooltip>,
 397    pub resolve_state: ResolveState,
 398}
 399
 400/// The user's intent behind a given completion confirmation
 401#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 402pub enum CompletionIntent {
 403    /// The user intends to 'commit' this result, if possible
 404    /// completion confirmations should run side effects.
 405    ///
 406    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 407    Complete,
 408    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 409    CompleteWithInsert,
 410    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 411    CompleteWithReplace,
 412    /// The user intends to continue 'composing' this completion
 413    /// completion confirmations should not run side effects and
 414    /// let the user continue composing their action
 415    Compose,
 416}
 417
 418impl CompletionIntent {
 419    pub fn is_complete(&self) -> bool {
 420        self == &Self::Complete
 421    }
 422
 423    pub fn is_compose(&self) -> bool {
 424        self == &Self::Compose
 425    }
 426}
 427
 428/// Similar to `CoreCompletion`, but with extra metadata attached.
 429#[derive(Clone)]
 430pub struct Completion {
 431    /// The range of text that will be replaced by this completion.
 432    pub replace_range: Range<Anchor>,
 433    /// The new text that will be inserted.
 434    pub new_text: String,
 435    /// A label for this completion that is shown in the menu.
 436    pub label: CodeLabel,
 437    /// The documentation for this completion.
 438    pub documentation: Option<CompletionDocumentation>,
 439    /// Completion data source which it was constructed from.
 440    pub source: CompletionSource,
 441    /// A path to an icon for this completion that is shown in the menu.
 442    pub icon_path: Option<SharedString>,
 443    /// Whether to adjust indentation (the default) or not.
 444    pub insert_text_mode: Option<InsertTextMode>,
 445    /// An optional callback to invoke when this completion is confirmed.
 446    /// Returns, whether new completions should be retriggered after the current one.
 447    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 448    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 449    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 450}
 451
 452#[derive(Debug, Clone)]
 453pub enum CompletionSource {
 454    Lsp {
 455        /// The alternate `insert` range, if provided by the LSP server.
 456        insert_range: Option<Range<Anchor>>,
 457        /// The id of the language server that produced this completion.
 458        server_id: LanguageServerId,
 459        /// The raw completion provided by the language server.
 460        lsp_completion: Box<lsp::CompletionItem>,
 461        /// A set of defaults for this completion item.
 462        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 463        /// Whether this completion has been resolved, to ensure it happens once per completion.
 464        resolved: bool,
 465    },
 466    Dap {
 467        /// The sort text for this completion.
 468        sort_text: String,
 469    },
 470    Custom,
 471    BufferWord {
 472        word_range: Range<Anchor>,
 473        resolved: bool,
 474    },
 475}
 476
 477impl CompletionSource {
 478    pub fn server_id(&self) -> Option<LanguageServerId> {
 479        if let CompletionSource::Lsp { server_id, .. } = self {
 480            Some(*server_id)
 481        } else {
 482            None
 483        }
 484    }
 485
 486    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 487        if let Self::Lsp {
 488            lsp_completion,
 489            lsp_defaults,
 490            ..
 491        } = self
 492        {
 493            if apply_defaults && 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(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 521                                insert,
 522                                replace,
 523                            }) => {
 524                                completion_with_defaults.text_edit =
 525                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 526                                        lsp::InsertReplaceEdit {
 527                                            new_text: completion_with_defaults.label.clone(),
 528                                            insert: *insert,
 529                                            replace: *replace,
 530                                        },
 531                                    ))
 532                            }
 533                            None => {}
 534                        }
 535                    }
 536                    if completion_with_defaults.insert_text_format.is_none()
 537                        && default_insert_text_format.is_some()
 538                    {
 539                        completion_with_defaults.insert_text_format =
 540                            default_insert_text_format.cloned()
 541                    }
 542                    if completion_with_defaults.insert_text_mode.is_none()
 543                        && default_insert_text_mode.is_some()
 544                    {
 545                        completion_with_defaults.insert_text_mode =
 546                            default_insert_text_mode.cloned()
 547                    }
 548                }
 549                return Some(Cow::Owned(completion_with_defaults));
 550            }
 551            Some(Cow::Borrowed(lsp_completion))
 552        } else {
 553            None
 554        }
 555    }
 556}
 557
 558impl std::fmt::Debug for Completion {
 559    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 560        f.debug_struct("Completion")
 561            .field("replace_range", &self.replace_range)
 562            .field("new_text", &self.new_text)
 563            .field("label", &self.label)
 564            .field("documentation", &self.documentation)
 565            .field("source", &self.source)
 566            .finish()
 567    }
 568}
 569
 570/// Response from a source of completions.
 571pub struct CompletionResponse {
 572    pub completions: Vec<Completion>,
 573    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 574    /// can be filtered instead.
 575    pub is_incomplete: bool,
 576}
 577
 578/// Response from language server completion request.
 579#[derive(Clone, Debug, Default)]
 580pub(crate) struct CoreCompletionResponse {
 581    pub completions: Vec<CoreCompletion>,
 582    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 583    /// can be filtered instead.
 584    pub is_incomplete: bool,
 585}
 586
 587/// A generic completion that can come from different sources.
 588#[derive(Clone, Debug)]
 589pub(crate) struct CoreCompletion {
 590    replace_range: Range<Anchor>,
 591    new_text: String,
 592    source: CompletionSource,
 593}
 594
 595/// A code action provided by a language server.
 596#[derive(Clone, Debug, PartialEq)]
 597pub struct CodeAction {
 598    /// The id of the language server that produced this code action.
 599    pub server_id: LanguageServerId,
 600    /// The range of the buffer where this code action is applicable.
 601    pub range: Range<Anchor>,
 602    /// The raw code action provided by the language server.
 603    /// Can be either an action or a command.
 604    pub lsp_action: LspAction,
 605    /// Whether the action needs to be resolved using the language server.
 606    pub resolved: bool,
 607}
 608
 609/// An action sent back by a language server.
 610#[derive(Clone, Debug, PartialEq)]
 611pub enum LspAction {
 612    /// An action with the full data, may have a command or may not.
 613    /// May require resolving.
 614    Action(Box<lsp::CodeAction>),
 615    /// A command data to run as an action.
 616    Command(lsp::Command),
 617    /// A code lens data to run as an action.
 618    CodeLens(lsp::CodeLens),
 619}
 620
 621impl LspAction {
 622    pub fn title(&self) -> &str {
 623        match self {
 624            Self::Action(action) => &action.title,
 625            Self::Command(command) => &command.title,
 626            Self::CodeLens(lens) => lens
 627                .command
 628                .as_ref()
 629                .map(|command| command.title.as_str())
 630                .unwrap_or("Unknown command"),
 631        }
 632    }
 633
 634    fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 635        match self {
 636            Self::Action(action) => action.kind.clone(),
 637            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 638            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 639        }
 640    }
 641
 642    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 643        match self {
 644            Self::Action(action) => action.edit.as_ref(),
 645            Self::Command(_) => None,
 646            Self::CodeLens(_) => None,
 647        }
 648    }
 649
 650    fn command(&self) -> Option<&lsp::Command> {
 651        match self {
 652            Self::Action(action) => action.command.as_ref(),
 653            Self::Command(command) => Some(command),
 654            Self::CodeLens(lens) => lens.command.as_ref(),
 655        }
 656    }
 657}
 658
 659#[derive(Debug, Clone, PartialEq, Eq)]
 660pub enum ResolveState {
 661    Resolved,
 662    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 663    Resolving,
 664}
 665
 666impl InlayHint {
 667    pub fn text(&self) -> Rope {
 668        match &self.label {
 669            InlayHintLabel::String(s) => Rope::from(s),
 670            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
 671        }
 672    }
 673}
 674
 675#[derive(Debug, Clone, PartialEq, Eq)]
 676pub enum InlayHintLabel {
 677    String(String),
 678    LabelParts(Vec<InlayHintLabelPart>),
 679}
 680
 681#[derive(Debug, Clone, PartialEq, Eq)]
 682pub struct InlayHintLabelPart {
 683    pub value: String,
 684    pub tooltip: Option<InlayHintLabelPartTooltip>,
 685    pub location: Option<(LanguageServerId, lsp::Location)>,
 686}
 687
 688#[derive(Debug, Clone, PartialEq, Eq)]
 689pub enum InlayHintTooltip {
 690    String(String),
 691    MarkupContent(MarkupContent),
 692}
 693
 694#[derive(Debug, Clone, PartialEq, Eq)]
 695pub enum InlayHintLabelPartTooltip {
 696    String(String),
 697    MarkupContent(MarkupContent),
 698}
 699
 700#[derive(Debug, Clone, PartialEq, Eq)]
 701pub struct MarkupContent {
 702    pub kind: HoverBlockKind,
 703    pub value: String,
 704}
 705
 706#[derive(Debug, Clone, PartialEq)]
 707pub struct LocationLink {
 708    pub origin: Option<Location>,
 709    pub target: Location,
 710}
 711
 712#[derive(Debug)]
 713pub struct DocumentHighlight {
 714    pub range: Range<language::Anchor>,
 715    pub kind: DocumentHighlightKind,
 716}
 717
 718#[derive(Clone, Debug)]
 719pub struct Symbol {
 720    pub language_server_name: LanguageServerName,
 721    pub source_worktree_id: WorktreeId,
 722    pub source_language_server_id: LanguageServerId,
 723    pub path: ProjectPath,
 724    pub label: CodeLabel,
 725    pub name: String,
 726    pub kind: lsp::SymbolKind,
 727    pub range: Range<Unclipped<PointUtf16>>,
 728    pub signature: [u8; 32],
 729}
 730
 731#[derive(Clone, Debug)]
 732pub struct DocumentSymbol {
 733    pub name: String,
 734    pub kind: lsp::SymbolKind,
 735    pub range: Range<Unclipped<PointUtf16>>,
 736    pub selection_range: Range<Unclipped<PointUtf16>>,
 737    pub children: Vec<DocumentSymbol>,
 738}
 739
 740#[derive(Clone, Debug, PartialEq)]
 741pub struct HoverBlock {
 742    pub text: String,
 743    pub kind: HoverBlockKind,
 744}
 745
 746#[derive(Clone, Debug, PartialEq, Eq)]
 747pub enum HoverBlockKind {
 748    PlainText,
 749    Markdown,
 750    Code { language: String },
 751}
 752
 753#[derive(Debug, Clone)]
 754pub struct Hover {
 755    pub contents: Vec<HoverBlock>,
 756    pub range: Option<Range<language::Anchor>>,
 757    pub language: Option<Arc<Language>>,
 758}
 759
 760impl Hover {
 761    pub fn is_empty(&self) -> bool {
 762        self.contents.iter().all(|block| block.text.is_empty())
 763    }
 764}
 765
 766enum EntitySubscription {
 767    Project(PendingEntitySubscription<Project>),
 768    BufferStore(PendingEntitySubscription<BufferStore>),
 769    GitStore(PendingEntitySubscription<GitStore>),
 770    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 771    LspStore(PendingEntitySubscription<LspStore>),
 772    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 773    DapStore(PendingEntitySubscription<DapStore>),
 774}
 775
 776#[derive(Debug, Clone)]
 777pub struct DirectoryItem {
 778    pub path: PathBuf,
 779    pub is_dir: bool,
 780}
 781
 782#[derive(Clone, Debug, PartialEq)]
 783pub struct DocumentColor {
 784    pub lsp_range: lsp::Range,
 785    pub color: lsp::Color,
 786    pub resolved: bool,
 787    pub color_presentations: Vec<ColorPresentation>,
 788}
 789
 790impl Eq for DocumentColor {}
 791
 792impl std::hash::Hash for DocumentColor {
 793    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 794        self.lsp_range.hash(state);
 795        self.color.red.to_bits().hash(state);
 796        self.color.green.to_bits().hash(state);
 797        self.color.blue.to_bits().hash(state);
 798        self.color.alpha.to_bits().hash(state);
 799        self.resolved.hash(state);
 800        self.color_presentations.hash(state);
 801    }
 802}
 803
 804#[derive(Clone, Debug, PartialEq, Eq)]
 805pub struct ColorPresentation {
 806    pub label: SharedString,
 807    pub text_edit: Option<lsp::TextEdit>,
 808    pub additional_text_edits: Vec<lsp::TextEdit>,
 809}
 810
 811impl std::hash::Hash for ColorPresentation {
 812    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 813        self.label.hash(state);
 814        if let Some(ref edit) = self.text_edit {
 815            edit.range.hash(state);
 816            edit.new_text.hash(state);
 817        }
 818        self.additional_text_edits.len().hash(state);
 819        for edit in &self.additional_text_edits {
 820            edit.range.hash(state);
 821            edit.new_text.hash(state);
 822        }
 823    }
 824}
 825
 826#[derive(Clone)]
 827pub enum DirectoryLister {
 828    Project(Entity<Project>),
 829    Local(Entity<Project>, Arc<dyn Fs>),
 830}
 831
 832impl std::fmt::Debug for DirectoryLister {
 833    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 834        match self {
 835            DirectoryLister::Project(project) => {
 836                write!(f, "DirectoryLister::Project({project:?})")
 837            }
 838            DirectoryLister::Local(project, _) => {
 839                write!(f, "DirectoryLister::Local({project:?})")
 840            }
 841        }
 842    }
 843}
 844
 845impl DirectoryLister {
 846    pub fn is_local(&self, cx: &App) -> bool {
 847        match self {
 848            DirectoryLister::Local(..) => true,
 849            DirectoryLister::Project(project) => project.read(cx).is_local(),
 850        }
 851    }
 852
 853    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 854        if self.is_local(cx) {
 855            shellexpand::tilde(path)
 856        } else {
 857            Cow::from(path)
 858        }
 859    }
 860
 861    pub fn default_query(&self, cx: &mut App) -> String {
 862        let separator = std::path::MAIN_SEPARATOR_STR;
 863        match self {
 864            DirectoryLister::Project(project) => project,
 865            DirectoryLister::Local(project, _) => project,
 866        }
 867        .read(cx)
 868        .visible_worktrees(cx)
 869        .next()
 870        .map(|worktree| worktree.read(cx).abs_path())
 871        .map(|dir| dir.to_string_lossy().to_string())
 872        .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().to_string()))
 873        .map(|mut s| {
 874            s.push_str(separator);
 875            s
 876        })
 877        .unwrap_or_else(|| {
 878            if cfg!(target_os = "windows") {
 879                format!("C:{separator}")
 880            } else {
 881                format!("~{separator}")
 882            }
 883        })
 884    }
 885
 886    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 887        match self {
 888            DirectoryLister::Project(project) => {
 889                project.update(cx, |project, cx| project.list_directory(path, cx))
 890            }
 891            DirectoryLister::Local(_, fs) => {
 892                let fs = fs.clone();
 893                cx.background_spawn(async move {
 894                    let mut results = vec![];
 895                    let expanded = shellexpand::tilde(&path);
 896                    let query = Path::new(expanded.as_ref());
 897                    let mut response = fs.read_dir(query).await?;
 898                    while let Some(path) = response.next().await {
 899                        let path = path?;
 900                        if let Some(file_name) = path.file_name() {
 901                            results.push(DirectoryItem {
 902                                path: PathBuf::from(file_name.to_os_string()),
 903                                is_dir: fs.is_dir(&path).await,
 904                            });
 905                        }
 906                    }
 907                    Ok(results)
 908                })
 909            }
 910        }
 911    }
 912}
 913
 914#[cfg(any(test, feature = "test-support"))]
 915pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
 916    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
 917    trigger_character: None,
 918};
 919
 920/// An LSP diagnostics associated with a certain language server.
 921#[derive(Clone, Debug, Default)]
 922pub enum LspPullDiagnostics {
 923    #[default]
 924    Default,
 925    Response {
 926        /// The id of the language server that produced diagnostics.
 927        server_id: LanguageServerId,
 928        /// URI of the resource,
 929        uri: lsp::Url,
 930        /// The diagnostics produced by this language server.
 931        diagnostics: PulledDiagnostics,
 932    },
 933}
 934
 935#[derive(Clone, Debug)]
 936pub enum PulledDiagnostics {
 937    Unchanged {
 938        /// An ID the current pulled batch for this file.
 939        /// If given, can be used to query workspace diagnostics partially.
 940        result_id: String,
 941    },
 942    Changed {
 943        result_id: Option<String>,
 944        diagnostics: Vec<lsp::Diagnostic>,
 945    },
 946}
 947
 948/// Whether to disable all AI features in Zed.
 949///
 950/// Default: false
 951#[derive(Copy, Clone, Debug)]
 952pub struct DisableAiSettings {
 953    pub disable_ai: bool,
 954}
 955
 956impl settings::Settings for DisableAiSettings {
 957    const KEY: Option<&'static str> = Some("disable_ai");
 958
 959    type FileContent = Option<bool>;
 960
 961    fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
 962        // For security reasons, settings can only make AI restrictions MORE strict, not less.
 963        // (For example, if someone is working on a project that contractually
 964        // requires no AI use, that should override the user's setting which
 965        // permits AI use.)
 966        // This also prevents an attacker from using project or server settings to enable AI when it should be disabled.
 967        let disable_ai = sources
 968            .project
 969            .iter()
 970            .chain(sources.user.iter())
 971            .chain(sources.server.iter())
 972            .any(|disabled| **disabled == Some(true));
 973
 974        Ok(Self { disable_ai })
 975    }
 976
 977    fn import_from_vscode(_vscode: &settings::VsCodeSettings, _current: &mut Self::FileContent) {}
 978}
 979
 980impl Project {
 981    pub fn init_settings(cx: &mut App) {
 982        WorktreeSettings::register(cx);
 983        ProjectSettings::register(cx);
 984        DisableAiSettings::register(cx);
 985    }
 986
 987    pub fn init(client: &Arc<Client>, cx: &mut App) {
 988        connection_manager::init(client.clone(), cx);
 989        Self::init_settings(cx);
 990
 991        let client: AnyProtoClient = client.clone().into();
 992        client.add_entity_message_handler(Self::handle_add_collaborator);
 993        client.add_entity_message_handler(Self::handle_update_project_collaborator);
 994        client.add_entity_message_handler(Self::handle_remove_collaborator);
 995        client.add_entity_message_handler(Self::handle_update_project);
 996        client.add_entity_message_handler(Self::handle_unshare_project);
 997        client.add_entity_request_handler(Self::handle_update_buffer);
 998        client.add_entity_message_handler(Self::handle_update_worktree);
 999        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1000
1001        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1002        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1003        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1004        client.add_entity_request_handler(Self::handle_open_new_buffer);
1005        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1006
1007        WorktreeStore::init(&client);
1008        BufferStore::init(&client);
1009        LspStore::init(&client);
1010        GitStore::init(&client);
1011        SettingsObserver::init(&client);
1012        TaskStore::init(Some(&client));
1013        ToolchainStore::init(&client);
1014        DapStore::init(&client, cx);
1015        BreakpointStore::init(&client);
1016        context_server_store::init(cx);
1017    }
1018
1019    pub fn local(
1020        client: Arc<Client>,
1021        node: NodeRuntime,
1022        user_store: Entity<UserStore>,
1023        languages: Arc<LanguageRegistry>,
1024        fs: Arc<dyn Fs>,
1025        env: Option<HashMap<String, String>>,
1026        cx: &mut App,
1027    ) -> Entity<Self> {
1028        cx.new(|cx: &mut Context<Self>| {
1029            let (tx, rx) = mpsc::unbounded();
1030            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1031                .detach();
1032            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1033            let worktree_store = cx.new(|_| WorktreeStore::local(false, fs.clone()));
1034            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1035                .detach();
1036
1037            let weak_self = cx.weak_entity();
1038            let context_server_store =
1039                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1040
1041            let environment = cx.new(|_| ProjectEnvironment::new(env));
1042            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1043            let toolchain_store = cx.new(|cx| {
1044                ToolchainStore::local(
1045                    languages.clone(),
1046                    worktree_store.clone(),
1047                    environment.clone(),
1048                    manifest_tree.clone(),
1049                    cx,
1050                )
1051            });
1052
1053            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1054            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1055                .detach();
1056
1057            let breakpoint_store =
1058                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1059
1060            let dap_store = cx.new(|cx| {
1061                DapStore::new_local(
1062                    client.http_client(),
1063                    node.clone(),
1064                    fs.clone(),
1065                    environment.clone(),
1066                    toolchain_store.read(cx).as_language_toolchain_store(),
1067                    worktree_store.clone(),
1068                    breakpoint_store.clone(),
1069                    cx,
1070                )
1071            });
1072            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1073
1074            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1075            cx.subscribe(&image_store, Self::on_image_store_event)
1076                .detach();
1077
1078            let prettier_store = cx.new(|cx| {
1079                PrettierStore::new(
1080                    node.clone(),
1081                    fs.clone(),
1082                    languages.clone(),
1083                    worktree_store.clone(),
1084                    cx,
1085                )
1086            });
1087
1088            let task_store = cx.new(|cx| {
1089                TaskStore::local(
1090                    fs.clone(),
1091                    buffer_store.downgrade(),
1092                    worktree_store.clone(),
1093                    toolchain_store.read(cx).as_language_toolchain_store(),
1094                    environment.clone(),
1095                    cx,
1096                )
1097            });
1098
1099            let settings_observer = cx.new(|cx| {
1100                SettingsObserver::new_local(
1101                    fs.clone(),
1102                    worktree_store.clone(),
1103                    task_store.clone(),
1104                    cx,
1105                )
1106            });
1107            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1108                .detach();
1109
1110            let lsp_store = cx.new(|cx| {
1111                LspStore::new_local(
1112                    buffer_store.clone(),
1113                    worktree_store.clone(),
1114                    prettier_store.clone(),
1115                    toolchain_store
1116                        .read(cx)
1117                        .as_local_store()
1118                        .expect("Toolchain store to be local")
1119                        .clone(),
1120                    environment.clone(),
1121                    manifest_tree,
1122                    languages.clone(),
1123                    client.http_client(),
1124                    fs.clone(),
1125                    cx,
1126                )
1127            });
1128
1129            let git_store = cx.new(|cx| {
1130                GitStore::local(
1131                    &worktree_store,
1132                    buffer_store.clone(),
1133                    environment.clone(),
1134                    fs.clone(),
1135                    cx,
1136                )
1137            });
1138
1139            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1140
1141            Self {
1142                buffer_ordered_messages_tx: tx,
1143                collaborators: Default::default(),
1144                worktree_store,
1145                buffer_store,
1146                image_store,
1147                lsp_store,
1148                context_server_store,
1149                join_project_response_message_id: 0,
1150                client_state: ProjectClientState::Local,
1151                git_store,
1152                client_subscriptions: Vec::new(),
1153                _subscriptions: vec![cx.on_release(Self::release)],
1154                active_entry: None,
1155                snippets,
1156                languages,
1157                client,
1158                task_store,
1159                user_store,
1160                settings_observer,
1161                fs,
1162                ssh_client: None,
1163                breakpoint_store,
1164                dap_store,
1165
1166                buffers_needing_diff: Default::default(),
1167                git_diff_debouncer: DebouncedDelay::new(),
1168                terminals: Terminals {
1169                    local_handles: Vec::new(),
1170                },
1171                node: Some(node),
1172                search_history: Self::new_search_history(),
1173                environment,
1174                remotely_created_models: Default::default(),
1175
1176                search_included_history: Self::new_search_history(),
1177                search_excluded_history: Self::new_search_history(),
1178
1179                toolchain_store: Some(toolchain_store),
1180
1181                agent_location: None,
1182            }
1183        })
1184    }
1185
1186    pub fn ssh(
1187        ssh: Entity<SshRemoteClient>,
1188        client: Arc<Client>,
1189        node: NodeRuntime,
1190        user_store: Entity<UserStore>,
1191        languages: Arc<LanguageRegistry>,
1192        fs: Arc<dyn Fs>,
1193        cx: &mut App,
1194    ) -> Entity<Self> {
1195        cx.new(|cx: &mut Context<Self>| {
1196            let (tx, rx) = mpsc::unbounded();
1197            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1198                .detach();
1199            let global_snippets_dir = paths::snippets_dir().to_owned();
1200            let snippets =
1201                SnippetProvider::new(fs.clone(), BTreeSet::from_iter([global_snippets_dir]), cx);
1202
1203            let (ssh_proto, path_style) =
1204                ssh.read_with(cx, |ssh, _| (ssh.proto_client(), ssh.path_style()));
1205            let worktree_store = cx.new(|_| {
1206                WorktreeStore::remote(false, ssh_proto.clone(), SSH_PROJECT_ID, path_style)
1207            });
1208            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1209                .detach();
1210
1211            let weak_self = cx.weak_entity();
1212            let context_server_store =
1213                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1214
1215            let buffer_store = cx.new(|cx| {
1216                BufferStore::remote(
1217                    worktree_store.clone(),
1218                    ssh.read(cx).proto_client(),
1219                    SSH_PROJECT_ID,
1220                    cx,
1221                )
1222            });
1223            let image_store = cx.new(|cx| {
1224                ImageStore::remote(
1225                    worktree_store.clone(),
1226                    ssh.read(cx).proto_client(),
1227                    SSH_PROJECT_ID,
1228                    cx,
1229                )
1230            });
1231            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1232                .detach();
1233            let toolchain_store = cx
1234                .new(|cx| ToolchainStore::remote(SSH_PROJECT_ID, ssh.read(cx).proto_client(), cx));
1235            let task_store = cx.new(|cx| {
1236                TaskStore::remote(
1237                    fs.clone(),
1238                    buffer_store.downgrade(),
1239                    worktree_store.clone(),
1240                    toolchain_store.read(cx).as_language_toolchain_store(),
1241                    ssh.read(cx).proto_client(),
1242                    SSH_PROJECT_ID,
1243                    cx,
1244                )
1245            });
1246
1247            let settings_observer = cx.new(|cx| {
1248                SettingsObserver::new_remote(
1249                    fs.clone(),
1250                    worktree_store.clone(),
1251                    task_store.clone(),
1252                    cx,
1253                )
1254            });
1255            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1256                .detach();
1257
1258            let environment = cx.new(|_| ProjectEnvironment::new(None));
1259
1260            let lsp_store = cx.new(|cx| {
1261                LspStore::new_remote(
1262                    buffer_store.clone(),
1263                    worktree_store.clone(),
1264                    languages.clone(),
1265                    ssh_proto.clone(),
1266                    SSH_PROJECT_ID,
1267                    fs.clone(),
1268                    cx,
1269                )
1270            });
1271            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1272
1273            let breakpoint_store =
1274                cx.new(|_| BreakpointStore::remote(SSH_PROJECT_ID, ssh_proto.clone()));
1275
1276            let dap_store = cx.new(|cx| {
1277                DapStore::new_ssh(
1278                    SSH_PROJECT_ID,
1279                    ssh.clone(),
1280                    breakpoint_store.clone(),
1281                    worktree_store.clone(),
1282                    cx,
1283                )
1284            });
1285
1286            let git_store = cx.new(|cx| {
1287                GitStore::ssh(&worktree_store, buffer_store.clone(), ssh_proto.clone(), cx)
1288            });
1289
1290            cx.subscribe(&ssh, Self::on_ssh_event).detach();
1291
1292            let this = Self {
1293                buffer_ordered_messages_tx: tx,
1294                collaborators: Default::default(),
1295                worktree_store,
1296                buffer_store,
1297                image_store,
1298                lsp_store,
1299                context_server_store,
1300                breakpoint_store,
1301                dap_store,
1302                join_project_response_message_id: 0,
1303                client_state: ProjectClientState::Local,
1304                git_store,
1305                client_subscriptions: Vec::new(),
1306                _subscriptions: vec![
1307                    cx.on_release(Self::release),
1308                    cx.on_app_quit(|this, cx| {
1309                        let shutdown = this.ssh_client.take().and_then(|client| {
1310                            client.read(cx).shutdown_processes(
1311                                Some(proto::ShutdownRemoteServer {}),
1312                                cx.background_executor().clone(),
1313                            )
1314                        });
1315
1316                        cx.background_executor().spawn(async move {
1317                            if let Some(shutdown) = shutdown {
1318                                shutdown.await;
1319                            }
1320                        })
1321                    }),
1322                ],
1323                active_entry: None,
1324                snippets,
1325                languages,
1326                client,
1327                task_store,
1328                user_store,
1329                settings_observer,
1330                fs,
1331                ssh_client: Some(ssh.clone()),
1332                buffers_needing_diff: Default::default(),
1333                git_diff_debouncer: DebouncedDelay::new(),
1334                terminals: Terminals {
1335                    local_handles: Vec::new(),
1336                },
1337                node: Some(node),
1338                search_history: Self::new_search_history(),
1339                environment,
1340                remotely_created_models: Default::default(),
1341
1342                search_included_history: Self::new_search_history(),
1343                search_excluded_history: Self::new_search_history(),
1344
1345                toolchain_store: Some(toolchain_store),
1346                agent_location: None,
1347            };
1348
1349            // ssh -> local machine handlers
1350            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &cx.entity());
1351            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.buffer_store);
1352            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.worktree_store);
1353            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.lsp_store);
1354            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.dap_store);
1355            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.settings_observer);
1356            ssh_proto.subscribe_to_entity(SSH_PROJECT_ID, &this.git_store);
1357
1358            ssh_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1359            ssh_proto.add_entity_message_handler(Self::handle_update_worktree);
1360            ssh_proto.add_entity_message_handler(Self::handle_update_project);
1361            ssh_proto.add_entity_message_handler(Self::handle_toast);
1362            ssh_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1363            ssh_proto.add_entity_message_handler(Self::handle_hide_toast);
1364            ssh_proto.add_entity_request_handler(Self::handle_update_buffer_from_ssh);
1365            BufferStore::init(&ssh_proto);
1366            LspStore::init(&ssh_proto);
1367            SettingsObserver::init(&ssh_proto);
1368            TaskStore::init(Some(&ssh_proto));
1369            ToolchainStore::init(&ssh_proto);
1370            DapStore::init(&ssh_proto, cx);
1371            GitStore::init(&ssh_proto);
1372
1373            this
1374        })
1375    }
1376
1377    pub async fn remote(
1378        remote_id: u64,
1379        client: Arc<Client>,
1380        user_store: Entity<UserStore>,
1381        languages: Arc<LanguageRegistry>,
1382        fs: Arc<dyn Fs>,
1383        cx: AsyncApp,
1384    ) -> Result<Entity<Self>> {
1385        let project =
1386            Self::in_room(remote_id, client, user_store, languages, fs, cx.clone()).await?;
1387        cx.update(|cx| {
1388            connection_manager::Manager::global(cx).update(cx, |manager, cx| {
1389                manager.maintain_project_connection(&project, cx)
1390            })
1391        })?;
1392        Ok(project)
1393    }
1394
1395    pub async fn in_room(
1396        remote_id: u64,
1397        client: Arc<Client>,
1398        user_store: Entity<UserStore>,
1399        languages: Arc<LanguageRegistry>,
1400        fs: Arc<dyn Fs>,
1401        cx: AsyncApp,
1402    ) -> Result<Entity<Self>> {
1403        client.connect(true, &cx).await.into_response()?;
1404
1405        let subscriptions = [
1406            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1407            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1408            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1409            EntitySubscription::WorktreeStore(
1410                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1411            ),
1412            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1413            EntitySubscription::SettingsObserver(
1414                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1415            ),
1416            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1417        ];
1418        let committer = get_git_committer(&cx).await;
1419        let response = client
1420            .request_envelope(proto::JoinProject {
1421                project_id: remote_id,
1422                committer_email: committer.email,
1423                committer_name: committer.name,
1424            })
1425            .await?;
1426        Self::from_join_project_response(
1427            response,
1428            subscriptions,
1429            client,
1430            false,
1431            user_store,
1432            languages,
1433            fs,
1434            cx,
1435        )
1436        .await
1437    }
1438
1439    async fn from_join_project_response(
1440        response: TypedEnvelope<proto::JoinProjectResponse>,
1441        subscriptions: [EntitySubscription; 7],
1442        client: Arc<Client>,
1443        run_tasks: bool,
1444        user_store: Entity<UserStore>,
1445        languages: Arc<LanguageRegistry>,
1446        fs: Arc<dyn Fs>,
1447        mut cx: AsyncApp,
1448    ) -> Result<Entity<Self>> {
1449        let remote_id = response.payload.project_id;
1450        let role = response.payload.role();
1451
1452        // todo(zjk)
1453        // Set the proper path style based on the remote
1454        let worktree_store = cx.new(|_| {
1455            WorktreeStore::remote(
1456                true,
1457                client.clone().into(),
1458                response.payload.project_id,
1459                PathStyle::Posix,
1460            )
1461        })?;
1462        let buffer_store = cx.new(|cx| {
1463            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1464        })?;
1465        let image_store = cx.new(|cx| {
1466            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1467        })?;
1468
1469        let environment = cx.new(|_| ProjectEnvironment::new(None))?;
1470
1471        let breakpoint_store =
1472            cx.new(|_| BreakpointStore::remote(remote_id, client.clone().into()))?;
1473        let dap_store = cx.new(|cx| {
1474            DapStore::new_collab(
1475                remote_id,
1476                client.clone().into(),
1477                breakpoint_store.clone(),
1478                worktree_store.clone(),
1479                cx,
1480            )
1481        })?;
1482
1483        let lsp_store = cx.new(|cx| {
1484            let mut lsp_store = LspStore::new_remote(
1485                buffer_store.clone(),
1486                worktree_store.clone(),
1487                languages.clone(),
1488                client.clone().into(),
1489                remote_id,
1490                fs.clone(),
1491                cx,
1492            );
1493            lsp_store.set_language_server_statuses_from_proto(
1494                response.payload.language_servers,
1495                response.payload.language_server_capabilities,
1496            );
1497            lsp_store
1498        })?;
1499
1500        let task_store = cx.new(|cx| {
1501            if run_tasks {
1502                TaskStore::remote(
1503                    fs.clone(),
1504                    buffer_store.downgrade(),
1505                    worktree_store.clone(),
1506                    Arc::new(EmptyToolchainStore),
1507                    client.clone().into(),
1508                    remote_id,
1509                    cx,
1510                )
1511            } else {
1512                TaskStore::Noop
1513            }
1514        })?;
1515
1516        let settings_observer = cx.new(|cx| {
1517            SettingsObserver::new_remote(fs.clone(), worktree_store.clone(), task_store.clone(), cx)
1518        })?;
1519
1520        let git_store = cx.new(|cx| {
1521            GitStore::remote(
1522                // In this remote case we pass None for the environment
1523                &worktree_store,
1524                buffer_store.clone(),
1525                client.clone().into(),
1526                ProjectId(remote_id),
1527                cx,
1528            )
1529        })?;
1530
1531        let this = cx.new(|cx| {
1532            let replica_id = response.payload.replica_id as ReplicaId;
1533
1534            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1535
1536            let weak_self = cx.weak_entity();
1537            let context_server_store =
1538                cx.new(|cx| ContextServerStore::new(worktree_store.clone(), weak_self, cx));
1539
1540            let mut worktrees = Vec::new();
1541            for worktree in response.payload.worktrees {
1542                let worktree =
1543                    Worktree::remote(remote_id, replica_id, worktree, client.clone().into(), cx);
1544                worktrees.push(worktree);
1545            }
1546
1547            let (tx, rx) = mpsc::unbounded();
1548            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1549                .detach();
1550
1551            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1552                .detach();
1553
1554            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1555                .detach();
1556            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1557            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1558                .detach();
1559
1560            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1561
1562            let mut this = Self {
1563                buffer_ordered_messages_tx: tx,
1564                buffer_store: buffer_store.clone(),
1565                image_store,
1566                worktree_store: worktree_store.clone(),
1567                lsp_store: lsp_store.clone(),
1568                context_server_store,
1569                active_entry: None,
1570                collaborators: Default::default(),
1571                join_project_response_message_id: response.message_id,
1572                languages,
1573                user_store: user_store.clone(),
1574                task_store,
1575                snippets,
1576                fs,
1577                ssh_client: None,
1578                settings_observer: settings_observer.clone(),
1579                client_subscriptions: Default::default(),
1580                _subscriptions: vec![cx.on_release(Self::release)],
1581                client: client.clone(),
1582                client_state: ProjectClientState::Remote {
1583                    sharing_has_stopped: false,
1584                    capability: Capability::ReadWrite,
1585                    remote_id,
1586                    replica_id,
1587                },
1588                breakpoint_store,
1589                dap_store: dap_store.clone(),
1590                git_store: git_store.clone(),
1591                buffers_needing_diff: Default::default(),
1592                git_diff_debouncer: DebouncedDelay::new(),
1593                terminals: Terminals {
1594                    local_handles: Vec::new(),
1595                },
1596                node: None,
1597                search_history: Self::new_search_history(),
1598                search_included_history: Self::new_search_history(),
1599                search_excluded_history: Self::new_search_history(),
1600                environment,
1601                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1602                toolchain_store: None,
1603                agent_location: None,
1604            };
1605            this.set_role(role, cx);
1606            for worktree in worktrees {
1607                this.add_worktree(&worktree, cx);
1608            }
1609            this
1610        })?;
1611
1612        let subscriptions = subscriptions
1613            .into_iter()
1614            .map(|s| match s {
1615                EntitySubscription::BufferStore(subscription) => {
1616                    subscription.set_entity(&buffer_store, &cx)
1617                }
1618                EntitySubscription::WorktreeStore(subscription) => {
1619                    subscription.set_entity(&worktree_store, &cx)
1620                }
1621                EntitySubscription::GitStore(subscription) => {
1622                    subscription.set_entity(&git_store, &cx)
1623                }
1624                EntitySubscription::SettingsObserver(subscription) => {
1625                    subscription.set_entity(&settings_observer, &cx)
1626                }
1627                EntitySubscription::Project(subscription) => subscription.set_entity(&this, &cx),
1628                EntitySubscription::LspStore(subscription) => {
1629                    subscription.set_entity(&lsp_store, &cx)
1630                }
1631                EntitySubscription::DapStore(subscription) => {
1632                    subscription.set_entity(&dap_store, &cx)
1633                }
1634            })
1635            .collect::<Vec<_>>();
1636
1637        let user_ids = response
1638            .payload
1639            .collaborators
1640            .iter()
1641            .map(|peer| peer.user_id)
1642            .collect();
1643        user_store
1644            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))?
1645            .await?;
1646
1647        this.update(&mut cx, |this, cx| {
1648            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1649            this.client_subscriptions.extend(subscriptions);
1650            anyhow::Ok(())
1651        })??;
1652
1653        Ok(this)
1654    }
1655
1656    fn new_search_history() -> SearchHistory {
1657        SearchHistory::new(
1658            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1659            search_history::QueryInsertionBehavior::AlwaysInsert,
1660        )
1661    }
1662
1663    fn release(&mut self, cx: &mut App) {
1664        if let Some(client) = self.ssh_client.take() {
1665            let shutdown = client.read(cx).shutdown_processes(
1666                Some(proto::ShutdownRemoteServer {}),
1667                cx.background_executor().clone(),
1668            );
1669
1670            cx.background_spawn(async move {
1671                if let Some(shutdown) = shutdown {
1672                    shutdown.await;
1673                }
1674            })
1675            .detach()
1676        }
1677
1678        match &self.client_state {
1679            ProjectClientState::Local => {}
1680            ProjectClientState::Shared { .. } => {
1681                let _ = self.unshare_internal(cx);
1682            }
1683            ProjectClientState::Remote { remote_id, .. } => {
1684                let _ = self.client.send(proto::LeaveProject {
1685                    project_id: *remote_id,
1686                });
1687                self.disconnected_from_host_internal(cx);
1688            }
1689        }
1690    }
1691
1692    #[cfg(any(test, feature = "test-support"))]
1693    pub async fn example(
1694        root_paths: impl IntoIterator<Item = &Path>,
1695        cx: &mut AsyncApp,
1696    ) -> Entity<Project> {
1697        use clock::FakeSystemClock;
1698
1699        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1700        let languages = LanguageRegistry::test(cx.background_executor().clone());
1701        let clock = Arc::new(FakeSystemClock::new());
1702        let http_client = http_client::FakeHttpClient::with_404_response();
1703        let client = cx
1704            .update(|cx| client::Client::new(clock, http_client.clone(), cx))
1705            .unwrap();
1706        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx)).unwrap();
1707        let project = cx
1708            .update(|cx| {
1709                Project::local(
1710                    client,
1711                    node_runtime::NodeRuntime::unavailable(),
1712                    user_store,
1713                    Arc::new(languages),
1714                    fs,
1715                    None,
1716                    cx,
1717                )
1718            })
1719            .unwrap();
1720        for path in root_paths {
1721            let (tree, _) = project
1722                .update(cx, |project, cx| {
1723                    project.find_or_create_worktree(path, true, cx)
1724                })
1725                .unwrap()
1726                .await
1727                .unwrap();
1728            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1729                .unwrap()
1730                .await;
1731        }
1732        project
1733    }
1734
1735    #[cfg(any(test, feature = "test-support"))]
1736    pub async fn test(
1737        fs: Arc<dyn Fs>,
1738        root_paths: impl IntoIterator<Item = &Path>,
1739        cx: &mut gpui::TestAppContext,
1740    ) -> Entity<Project> {
1741        use clock::FakeSystemClock;
1742
1743        let languages = LanguageRegistry::test(cx.executor());
1744        let clock = Arc::new(FakeSystemClock::new());
1745        let http_client = http_client::FakeHttpClient::with_404_response();
1746        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1747        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1748        let project = cx.update(|cx| {
1749            Project::local(
1750                client,
1751                node_runtime::NodeRuntime::unavailable(),
1752                user_store,
1753                Arc::new(languages),
1754                fs,
1755                None,
1756                cx,
1757            )
1758        });
1759        for path in root_paths {
1760            let (tree, _) = project
1761                .update(cx, |project, cx| {
1762                    project.find_or_create_worktree(path, true, cx)
1763                })
1764                .await
1765                .unwrap();
1766
1767            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1768                .await;
1769        }
1770        project
1771    }
1772
1773    pub fn dap_store(&self) -> Entity<DapStore> {
1774        self.dap_store.clone()
1775    }
1776
1777    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
1778        self.breakpoint_store.clone()
1779    }
1780
1781    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
1782        let active_position = self.breakpoint_store.read(cx).active_position()?;
1783        let session = self
1784            .dap_store
1785            .read(cx)
1786            .session_by_id(active_position.session_id)?;
1787        Some((session, active_position.clone()))
1788    }
1789
1790    pub fn lsp_store(&self) -> Entity<LspStore> {
1791        self.lsp_store.clone()
1792    }
1793
1794    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
1795        self.worktree_store.clone()
1796    }
1797
1798    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
1799        self.context_server_store.clone()
1800    }
1801
1802    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
1803        self.buffer_store.read(cx).get(remote_id)
1804    }
1805
1806    pub fn languages(&self) -> &Arc<LanguageRegistry> {
1807        &self.languages
1808    }
1809
1810    pub fn client(&self) -> Arc<Client> {
1811        self.client.clone()
1812    }
1813
1814    pub fn ssh_client(&self) -> Option<Entity<SshRemoteClient>> {
1815        self.ssh_client.clone()
1816    }
1817
1818    pub fn user_store(&self) -> Entity<UserStore> {
1819        self.user_store.clone()
1820    }
1821
1822    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
1823        self.node.as_ref()
1824    }
1825
1826    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
1827        self.buffer_store.read(cx).buffers().collect()
1828    }
1829
1830    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
1831        &self.environment
1832    }
1833
1834    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
1835        self.environment.read(cx).get_cli_environment()
1836    }
1837
1838    pub fn buffer_environment<'a>(
1839        &'a self,
1840        buffer: &Entity<Buffer>,
1841        worktree_store: &Entity<WorktreeStore>,
1842        cx: &'a mut App,
1843    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1844        self.environment.update(cx, |environment, cx| {
1845            environment.get_buffer_environment(buffer, worktree_store, cx)
1846        })
1847    }
1848
1849    pub fn directory_environment(
1850        &self,
1851        abs_path: Arc<Path>,
1852        cx: &mut App,
1853    ) -> Shared<Task<Option<HashMap<String, String>>>> {
1854        self.environment.update(cx, |environment, cx| {
1855            environment.get_directory_environment(abs_path, cx)
1856        })
1857    }
1858
1859    pub fn shell_environment_errors<'a>(
1860        &'a self,
1861        cx: &'a App,
1862    ) -> impl Iterator<Item = (&'a Arc<Path>, &'a EnvironmentErrorMessage)> {
1863        self.environment.read(cx).environment_errors()
1864    }
1865
1866    pub fn remove_environment_error(&mut self, abs_path: &Path, cx: &mut Context<Self>) {
1867        self.environment.update(cx, |environment, cx| {
1868            environment.remove_environment_error(abs_path, cx);
1869        });
1870    }
1871
1872    #[cfg(any(test, feature = "test-support"))]
1873    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
1874        self.buffer_store
1875            .read(cx)
1876            .get_by_path(&path.into())
1877            .is_some()
1878    }
1879
1880    pub fn fs(&self) -> &Arc<dyn Fs> {
1881        &self.fs
1882    }
1883
1884    pub fn remote_id(&self) -> Option<u64> {
1885        match self.client_state {
1886            ProjectClientState::Local => None,
1887            ProjectClientState::Shared { remote_id, .. }
1888            | ProjectClientState::Remote { remote_id, .. } => Some(remote_id),
1889        }
1890    }
1891
1892    pub fn supports_terminal(&self, _cx: &App) -> bool {
1893        if self.is_local() {
1894            return true;
1895        }
1896        if self.is_via_ssh() {
1897            return true;
1898        }
1899
1900        false
1901    }
1902
1903    pub fn ssh_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
1904        self.ssh_client
1905            .as_ref()
1906            .map(|ssh| ssh.read(cx).connection_state())
1907    }
1908
1909    pub fn ssh_connection_options(&self, cx: &App) -> Option<SshConnectionOptions> {
1910        self.ssh_client
1911            .as_ref()
1912            .map(|ssh| ssh.read(cx).connection_options())
1913    }
1914
1915    pub fn replica_id(&self) -> ReplicaId {
1916        match self.client_state {
1917            ProjectClientState::Remote { replica_id, .. } => replica_id,
1918            _ => {
1919                if self.ssh_client.is_some() {
1920                    1
1921                } else {
1922                    0
1923                }
1924            }
1925        }
1926    }
1927
1928    pub fn task_store(&self) -> &Entity<TaskStore> {
1929        &self.task_store
1930    }
1931
1932    pub fn snippets(&self) -> &Entity<SnippetProvider> {
1933        &self.snippets
1934    }
1935
1936    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
1937        match kind {
1938            SearchInputKind::Query => &self.search_history,
1939            SearchInputKind::Include => &self.search_included_history,
1940            SearchInputKind::Exclude => &self.search_excluded_history,
1941        }
1942    }
1943
1944    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
1945        match kind {
1946            SearchInputKind::Query => &mut self.search_history,
1947            SearchInputKind::Include => &mut self.search_included_history,
1948            SearchInputKind::Exclude => &mut self.search_excluded_history,
1949        }
1950    }
1951
1952    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
1953        &self.collaborators
1954    }
1955
1956    pub fn host(&self) -> Option<&Collaborator> {
1957        self.collaborators.values().find(|c| c.is_host)
1958    }
1959
1960    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
1961        self.worktree_store.update(cx, |store, _| {
1962            store.set_worktrees_reordered(worktrees_reordered);
1963        });
1964    }
1965
1966    /// Collect all worktrees, including ones that don't appear in the project panel
1967    pub fn worktrees<'a>(
1968        &self,
1969        cx: &'a App,
1970    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
1971        self.worktree_store.read(cx).worktrees()
1972    }
1973
1974    /// Collect all user-visible worktrees, the ones that appear in the project panel.
1975    pub fn visible_worktrees<'a>(
1976        &'a self,
1977        cx: &'a App,
1978    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
1979        self.worktree_store.read(cx).visible_worktrees(cx)
1980    }
1981
1982    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
1983        self.visible_worktrees(cx)
1984            .find(|tree| tree.read(cx).root_name() == root_name)
1985    }
1986
1987    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
1988        self.visible_worktrees(cx)
1989            .map(|tree| tree.read(cx).root_name())
1990    }
1991
1992    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
1993        self.worktree_store.read(cx).worktree_for_id(id, cx)
1994    }
1995
1996    pub fn worktree_for_entry(
1997        &self,
1998        entry_id: ProjectEntryId,
1999        cx: &App,
2000    ) -> Option<Entity<Worktree>> {
2001        self.worktree_store
2002            .read(cx)
2003            .worktree_for_entry(entry_id, cx)
2004    }
2005
2006    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2007        self.worktree_for_entry(entry_id, cx)
2008            .map(|worktree| worktree.read(cx).id())
2009    }
2010
2011    /// Checks if the entry is the root of a worktree.
2012    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2013        self.worktree_for_entry(entry_id, cx)
2014            .map(|worktree| {
2015                worktree
2016                    .read(cx)
2017                    .root_entry()
2018                    .is_some_and(|e| e.id == entry_id)
2019            })
2020            .unwrap_or(false)
2021    }
2022
2023    pub fn project_path_git_status(
2024        &self,
2025        project_path: &ProjectPath,
2026        cx: &App,
2027    ) -> Option<FileStatus> {
2028        self.git_store
2029            .read(cx)
2030            .project_path_git_status(project_path, cx)
2031    }
2032
2033    pub fn visibility_for_paths(
2034        &self,
2035        paths: &[PathBuf],
2036        metadatas: &[Metadata],
2037        exclude_sub_dirs: bool,
2038        cx: &App,
2039    ) -> Option<bool> {
2040        paths
2041            .iter()
2042            .zip(metadatas)
2043            .map(|(path, metadata)| self.visibility_for_path(path, metadata, exclude_sub_dirs, cx))
2044            .max()
2045            .flatten()
2046    }
2047
2048    pub fn visibility_for_path(
2049        &self,
2050        path: &Path,
2051        metadata: &Metadata,
2052        exclude_sub_dirs: bool,
2053        cx: &App,
2054    ) -> Option<bool> {
2055        let sanitized_path = SanitizedPath::from(path);
2056        let path = sanitized_path.as_path();
2057        self.worktrees(cx)
2058            .filter_map(|worktree| {
2059                let worktree = worktree.read(cx);
2060                let abs_path = worktree.as_local()?.abs_path();
2061                let contains = path == abs_path
2062                    || (path.starts_with(abs_path) && (!exclude_sub_dirs || !metadata.is_dir));
2063                contains.then(|| worktree.is_visible())
2064            })
2065            .max()
2066    }
2067
2068    pub fn create_entry(
2069        &mut self,
2070        project_path: impl Into<ProjectPath>,
2071        is_directory: bool,
2072        cx: &mut Context<Self>,
2073    ) -> Task<Result<CreatedEntry>> {
2074        let project_path = project_path.into();
2075        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2076            return Task::ready(Err(anyhow!(format!(
2077                "No worktree for path {project_path:?}"
2078            ))));
2079        };
2080        worktree.update(cx, |worktree, cx| {
2081            worktree.create_entry(project_path.path, is_directory, None, cx)
2082        })
2083    }
2084
2085    pub fn copy_entry(
2086        &mut self,
2087        entry_id: ProjectEntryId,
2088        relative_worktree_source_path: Option<PathBuf>,
2089        new_path: impl Into<Arc<Path>>,
2090        cx: &mut Context<Self>,
2091    ) -> Task<Result<Option<Entry>>> {
2092        let Some(worktree) = self.worktree_for_entry(entry_id, cx) else {
2093            return Task::ready(Ok(None));
2094        };
2095        worktree.update(cx, |worktree, cx| {
2096            worktree.copy_entry(entry_id, relative_worktree_source_path, new_path, cx)
2097        })
2098    }
2099
2100    /// Renames the project entry with given `entry_id`.
2101    ///
2102    /// `new_path` is a relative path to worktree root.
2103    /// If root entry is renamed then its new root name is used instead.
2104    pub fn rename_entry(
2105        &mut self,
2106        entry_id: ProjectEntryId,
2107        new_path: impl Into<Arc<Path>>,
2108        cx: &mut Context<Self>,
2109    ) -> Task<Result<CreatedEntry>> {
2110        let worktree_store = self.worktree_store.read(cx);
2111        let new_path = new_path.into();
2112        let Some((worktree, old_path, is_dir)) = worktree_store
2113            .worktree_and_entry_for_id(entry_id, cx)
2114            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2115        else {
2116            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2117        };
2118
2119        let worktree_id = worktree.read(cx).id();
2120        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2121
2122        let lsp_store = self.lsp_store().downgrade();
2123        cx.spawn(async move |_, cx| {
2124            let (old_abs_path, new_abs_path) = {
2125                let root_path = worktree.read_with(cx, |this, _| this.abs_path())?;
2126                let new_abs_path = if is_root_entry {
2127                    root_path.parent().unwrap().join(&new_path)
2128                } else {
2129                    root_path.join(&new_path)
2130                };
2131                (root_path.join(&old_path), new_abs_path)
2132            };
2133            LspStore::will_rename_entry(
2134                lsp_store.clone(),
2135                worktree_id,
2136                &old_abs_path,
2137                &new_abs_path,
2138                is_dir,
2139                cx.clone(),
2140            )
2141            .await;
2142
2143            let entry = worktree
2144                .update(cx, |worktree, cx| {
2145                    worktree.rename_entry(entry_id, new_path.clone(), cx)
2146                })?
2147                .await?;
2148
2149            lsp_store
2150                .read_with(cx, |this, _| {
2151                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2152                })
2153                .ok();
2154            Ok(entry)
2155        })
2156    }
2157
2158    pub fn delete_file(
2159        &mut self,
2160        path: ProjectPath,
2161        trash: bool,
2162        cx: &mut Context<Self>,
2163    ) -> Option<Task<Result<()>>> {
2164        let entry = self.entry_for_path(&path, cx)?;
2165        self.delete_entry(entry.id, trash, cx)
2166    }
2167
2168    pub fn delete_entry(
2169        &mut self,
2170        entry_id: ProjectEntryId,
2171        trash: bool,
2172        cx: &mut Context<Self>,
2173    ) -> Option<Task<Result<()>>> {
2174        let worktree = self.worktree_for_entry(entry_id, cx)?;
2175        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2176        worktree.update(cx, |worktree, cx| {
2177            worktree.delete_entry(entry_id, trash, cx)
2178        })
2179    }
2180
2181    pub fn expand_entry(
2182        &mut self,
2183        worktree_id: WorktreeId,
2184        entry_id: ProjectEntryId,
2185        cx: &mut Context<Self>,
2186    ) -> Option<Task<Result<()>>> {
2187        let worktree = self.worktree_for_id(worktree_id, cx)?;
2188        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2189    }
2190
2191    pub fn expand_all_for_entry(
2192        &mut self,
2193        worktree_id: WorktreeId,
2194        entry_id: ProjectEntryId,
2195        cx: &mut Context<Self>,
2196    ) -> Option<Task<Result<()>>> {
2197        let worktree = self.worktree_for_id(worktree_id, cx)?;
2198        let task = worktree.update(cx, |worktree, cx| {
2199            worktree.expand_all_for_entry(entry_id, cx)
2200        });
2201        Some(cx.spawn(async move |this, cx| {
2202            task.context("no task")?.await?;
2203            this.update(cx, |_, cx| {
2204                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2205            })?;
2206            Ok(())
2207        }))
2208    }
2209
2210    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2211        anyhow::ensure!(
2212            matches!(self.client_state, ProjectClientState::Local),
2213            "project was already shared"
2214        );
2215
2216        self.client_subscriptions.extend([
2217            self.client
2218                .subscribe_to_entity(project_id)?
2219                .set_entity(&cx.entity(), &cx.to_async()),
2220            self.client
2221                .subscribe_to_entity(project_id)?
2222                .set_entity(&self.worktree_store, &cx.to_async()),
2223            self.client
2224                .subscribe_to_entity(project_id)?
2225                .set_entity(&self.buffer_store, &cx.to_async()),
2226            self.client
2227                .subscribe_to_entity(project_id)?
2228                .set_entity(&self.lsp_store, &cx.to_async()),
2229            self.client
2230                .subscribe_to_entity(project_id)?
2231                .set_entity(&self.settings_observer, &cx.to_async()),
2232            self.client
2233                .subscribe_to_entity(project_id)?
2234                .set_entity(&self.dap_store, &cx.to_async()),
2235            self.client
2236                .subscribe_to_entity(project_id)?
2237                .set_entity(&self.breakpoint_store, &cx.to_async()),
2238            self.client
2239                .subscribe_to_entity(project_id)?
2240                .set_entity(&self.git_store, &cx.to_async()),
2241        ]);
2242
2243        self.buffer_store.update(cx, |buffer_store, cx| {
2244            buffer_store.shared(project_id, self.client.clone().into(), cx)
2245        });
2246        self.worktree_store.update(cx, |worktree_store, cx| {
2247            worktree_store.shared(project_id, self.client.clone().into(), cx);
2248        });
2249        self.lsp_store.update(cx, |lsp_store, cx| {
2250            lsp_store.shared(project_id, self.client.clone().into(), cx)
2251        });
2252        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2253            breakpoint_store.shared(project_id, self.client.clone().into())
2254        });
2255        self.dap_store.update(cx, |dap_store, cx| {
2256            dap_store.shared(project_id, self.client.clone().into(), cx);
2257        });
2258        self.task_store.update(cx, |task_store, cx| {
2259            task_store.shared(project_id, self.client.clone().into(), cx);
2260        });
2261        self.settings_observer.update(cx, |settings_observer, cx| {
2262            settings_observer.shared(project_id, self.client.clone().into(), cx)
2263        });
2264        self.git_store.update(cx, |git_store, cx| {
2265            git_store.shared(project_id, self.client.clone().into(), cx)
2266        });
2267
2268        self.client_state = ProjectClientState::Shared {
2269            remote_id: project_id,
2270        };
2271
2272        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2273        Ok(())
2274    }
2275
2276    pub fn reshared(
2277        &mut self,
2278        message: proto::ResharedProject,
2279        cx: &mut Context<Self>,
2280    ) -> Result<()> {
2281        self.buffer_store
2282            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2283        self.set_collaborators_from_proto(message.collaborators, cx)?;
2284
2285        self.worktree_store.update(cx, |worktree_store, cx| {
2286            worktree_store.send_project_updates(cx);
2287        });
2288        if let Some(remote_id) = self.remote_id() {
2289            self.git_store.update(cx, |git_store, cx| {
2290                git_store.shared(remote_id, self.client.clone().into(), cx)
2291            });
2292        }
2293        cx.emit(Event::Reshared);
2294        Ok(())
2295    }
2296
2297    pub fn rejoined(
2298        &mut self,
2299        message: proto::RejoinedProject,
2300        message_id: u32,
2301        cx: &mut Context<Self>,
2302    ) -> Result<()> {
2303        cx.update_global::<SettingsStore, _>(|store, cx| {
2304            self.worktree_store.update(cx, |worktree_store, cx| {
2305                for worktree in worktree_store.worktrees() {
2306                    store
2307                        .clear_local_settings(worktree.read(cx).id(), cx)
2308                        .log_err();
2309                }
2310            });
2311        });
2312
2313        self.join_project_response_message_id = message_id;
2314        self.set_worktrees_from_proto(message.worktrees, cx)?;
2315        self.set_collaborators_from_proto(message.collaborators, cx)?;
2316        self.lsp_store.update(cx, |lsp_store, _| {
2317            lsp_store.set_language_server_statuses_from_proto(
2318                message.language_servers,
2319                message.language_server_capabilities,
2320            )
2321        });
2322        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2323            .unwrap();
2324        cx.emit(Event::Rejoined);
2325        Ok(())
2326    }
2327
2328    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2329        self.unshare_internal(cx)?;
2330        cx.emit(Event::RemoteIdChanged(None));
2331        Ok(())
2332    }
2333
2334    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2335        anyhow::ensure!(
2336            !self.is_via_collab(),
2337            "attempted to unshare a remote project"
2338        );
2339
2340        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2341            self.client_state = ProjectClientState::Local;
2342            self.collaborators.clear();
2343            self.client_subscriptions.clear();
2344            self.worktree_store.update(cx, |store, cx| {
2345                store.unshared(cx);
2346            });
2347            self.buffer_store.update(cx, |buffer_store, cx| {
2348                buffer_store.forget_shared_buffers();
2349                buffer_store.unshared(cx)
2350            });
2351            self.task_store.update(cx, |task_store, cx| {
2352                task_store.unshared(cx);
2353            });
2354            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2355                breakpoint_store.unshared(cx);
2356            });
2357            self.dap_store.update(cx, |dap_store, cx| {
2358                dap_store.unshared(cx);
2359            });
2360            self.settings_observer.update(cx, |settings_observer, cx| {
2361                settings_observer.unshared(cx);
2362            });
2363            self.git_store.update(cx, |git_store, cx| {
2364                git_store.unshared(cx);
2365            });
2366
2367            self.client
2368                .send(proto::UnshareProject {
2369                    project_id: remote_id,
2370                })
2371                .ok();
2372            Ok(())
2373        } else {
2374            anyhow::bail!("attempted to unshare an unshared project");
2375        }
2376    }
2377
2378    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2379        if self.is_disconnected(cx) {
2380            return;
2381        }
2382        self.disconnected_from_host_internal(cx);
2383        cx.emit(Event::DisconnectedFromHost);
2384    }
2385
2386    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2387        let new_capability =
2388            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2389                Capability::ReadWrite
2390            } else {
2391                Capability::ReadOnly
2392            };
2393        if let ProjectClientState::Remote { capability, .. } = &mut self.client_state {
2394            if *capability == new_capability {
2395                return;
2396            }
2397
2398            *capability = new_capability;
2399            for buffer in self.opened_buffers(cx) {
2400                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2401            }
2402        }
2403    }
2404
2405    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2406        if let ProjectClientState::Remote {
2407            sharing_has_stopped,
2408            ..
2409        } = &mut self.client_state
2410        {
2411            *sharing_has_stopped = true;
2412            self.collaborators.clear();
2413            self.worktree_store.update(cx, |store, cx| {
2414                store.disconnected_from_host(cx);
2415            });
2416            self.buffer_store.update(cx, |buffer_store, cx| {
2417                buffer_store.disconnected_from_host(cx)
2418            });
2419            self.lsp_store
2420                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2421        }
2422    }
2423
2424    pub fn close(&mut self, cx: &mut Context<Self>) {
2425        cx.emit(Event::Closed);
2426    }
2427
2428    pub fn is_disconnected(&self, cx: &App) -> bool {
2429        match &self.client_state {
2430            ProjectClientState::Remote {
2431                sharing_has_stopped,
2432                ..
2433            } => *sharing_has_stopped,
2434            ProjectClientState::Local if self.is_via_ssh() => self.ssh_is_disconnected(cx),
2435            _ => false,
2436        }
2437    }
2438
2439    fn ssh_is_disconnected(&self, cx: &App) -> bool {
2440        self.ssh_client
2441            .as_ref()
2442            .map(|ssh| ssh.read(cx).is_disconnected())
2443            .unwrap_or(false)
2444    }
2445
2446    pub fn capability(&self) -> Capability {
2447        match &self.client_state {
2448            ProjectClientState::Remote { capability, .. } => *capability,
2449            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2450        }
2451    }
2452
2453    pub fn is_read_only(&self, cx: &App) -> bool {
2454        self.is_disconnected(cx) || self.capability() == Capability::ReadOnly
2455    }
2456
2457    pub fn is_local(&self) -> bool {
2458        match &self.client_state {
2459            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2460                self.ssh_client.is_none()
2461            }
2462            ProjectClientState::Remote { .. } => false,
2463        }
2464    }
2465
2466    pub fn is_via_ssh(&self) -> bool {
2467        match &self.client_state {
2468            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2469                self.ssh_client.is_some()
2470            }
2471            ProjectClientState::Remote { .. } => false,
2472        }
2473    }
2474
2475    pub fn is_via_collab(&self) -> bool {
2476        match &self.client_state {
2477            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2478            ProjectClientState::Remote { .. } => true,
2479        }
2480    }
2481
2482    pub fn create_buffer(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
2483        self.buffer_store
2484            .update(cx, |buffer_store, cx| buffer_store.create_buffer(cx))
2485    }
2486
2487    pub fn create_local_buffer(
2488        &mut self,
2489        text: &str,
2490        language: Option<Arc<Language>>,
2491        cx: &mut Context<Self>,
2492    ) -> Entity<Buffer> {
2493        if self.is_via_collab() || self.is_via_ssh() {
2494            panic!("called create_local_buffer on a remote project")
2495        }
2496        self.buffer_store.update(cx, |buffer_store, cx| {
2497            buffer_store.create_local_buffer(text, language, cx)
2498        })
2499    }
2500
2501    pub fn open_path(
2502        &mut self,
2503        path: ProjectPath,
2504        cx: &mut Context<Self>,
2505    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2506        let task = self.open_buffer(path.clone(), cx);
2507        cx.spawn(async move |_project, cx| {
2508            let buffer = task.await?;
2509            let project_entry_id = buffer.read_with(cx, |buffer, cx| {
2510                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id(cx))
2511            })?;
2512
2513            Ok((project_entry_id, buffer))
2514        })
2515    }
2516
2517    pub fn open_local_buffer(
2518        &mut self,
2519        abs_path: impl AsRef<Path>,
2520        cx: &mut Context<Self>,
2521    ) -> Task<Result<Entity<Buffer>>> {
2522        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2523        cx.spawn(async move |this, cx| {
2524            let (worktree, relative_path) = worktree_task.await?;
2525            this.update(cx, |this, cx| {
2526                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2527            })?
2528            .await
2529        })
2530    }
2531
2532    #[cfg(any(test, feature = "test-support"))]
2533    pub fn open_local_buffer_with_lsp(
2534        &mut self,
2535        abs_path: impl AsRef<Path>,
2536        cx: &mut Context<Self>,
2537    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2538        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2539            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2540        } else {
2541            Task::ready(Err(anyhow!("no such path")))
2542        }
2543    }
2544
2545    pub fn open_buffer(
2546        &mut self,
2547        path: impl Into<ProjectPath>,
2548        cx: &mut App,
2549    ) -> Task<Result<Entity<Buffer>>> {
2550        if self.is_disconnected(cx) {
2551            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2552        }
2553
2554        self.buffer_store.update(cx, |buffer_store, cx| {
2555            buffer_store.open_buffer(path.into(), cx)
2556        })
2557    }
2558
2559    #[cfg(any(test, feature = "test-support"))]
2560    pub fn open_buffer_with_lsp(
2561        &mut self,
2562        path: impl Into<ProjectPath>,
2563        cx: &mut Context<Self>,
2564    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2565        let buffer = self.open_buffer(path, cx);
2566        cx.spawn(async move |this, cx| {
2567            let buffer = buffer.await?;
2568            let handle = this.update(cx, |project, cx| {
2569                project.register_buffer_with_language_servers(&buffer, cx)
2570            })?;
2571            Ok((buffer, handle))
2572        })
2573    }
2574
2575    pub fn register_buffer_with_language_servers(
2576        &self,
2577        buffer: &Entity<Buffer>,
2578        cx: &mut App,
2579    ) -> OpenLspBufferHandle {
2580        self.lsp_store.update(cx, |lsp_store, cx| {
2581            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
2582        })
2583    }
2584
2585    pub fn open_unstaged_diff(
2586        &mut self,
2587        buffer: Entity<Buffer>,
2588        cx: &mut Context<Self>,
2589    ) -> Task<Result<Entity<BufferDiff>>> {
2590        if self.is_disconnected(cx) {
2591            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2592        }
2593        self.git_store
2594            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2595    }
2596
2597    pub fn open_uncommitted_diff(
2598        &mut self,
2599        buffer: Entity<Buffer>,
2600        cx: &mut Context<Self>,
2601    ) -> Task<Result<Entity<BufferDiff>>> {
2602        if self.is_disconnected(cx) {
2603            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2604        }
2605        self.git_store.update(cx, |git_store, cx| {
2606            git_store.open_uncommitted_diff(buffer, cx)
2607        })
2608    }
2609
2610    pub fn open_buffer_by_id(
2611        &mut self,
2612        id: BufferId,
2613        cx: &mut Context<Self>,
2614    ) -> Task<Result<Entity<Buffer>>> {
2615        if let Some(buffer) = self.buffer_for_id(id, cx) {
2616            Task::ready(Ok(buffer))
2617        } else if self.is_local() || self.is_via_ssh() {
2618            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2619        } else if let Some(project_id) = self.remote_id() {
2620            let request = self.client.request(proto::OpenBufferById {
2621                project_id,
2622                id: id.into(),
2623            });
2624            cx.spawn(async move |project, cx| {
2625                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2626                project
2627                    .update(cx, |project, cx| {
2628                        project.buffer_store.update(cx, |buffer_store, cx| {
2629                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2630                        })
2631                    })?
2632                    .await
2633            })
2634        } else {
2635            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2636        }
2637    }
2638
2639    pub fn save_buffers(
2640        &self,
2641        buffers: HashSet<Entity<Buffer>>,
2642        cx: &mut Context<Self>,
2643    ) -> Task<Result<()>> {
2644        cx.spawn(async move |this, cx| {
2645            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2646                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2647                    .ok()
2648            });
2649            try_join_all(save_tasks).await?;
2650            Ok(())
2651        })
2652    }
2653
2654    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2655        self.buffer_store
2656            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2657    }
2658
2659    pub fn save_buffer_as(
2660        &mut self,
2661        buffer: Entity<Buffer>,
2662        path: ProjectPath,
2663        cx: &mut Context<Self>,
2664    ) -> Task<Result<()>> {
2665        self.buffer_store.update(cx, |buffer_store, cx| {
2666            buffer_store.save_buffer_as(buffer.clone(), path, cx)
2667        })
2668    }
2669
2670    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
2671        self.buffer_store.read(cx).get_by_path(path)
2672    }
2673
2674    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
2675        {
2676            let mut remotely_created_models = self.remotely_created_models.lock();
2677            if remotely_created_models.retain_count > 0 {
2678                remotely_created_models.buffers.push(buffer.clone())
2679            }
2680        }
2681
2682        self.request_buffer_diff_recalculation(buffer, cx);
2683
2684        cx.subscribe(buffer, |this, buffer, event, cx| {
2685            this.on_buffer_event(buffer, event, cx);
2686        })
2687        .detach();
2688
2689        Ok(())
2690    }
2691
2692    pub fn open_image(
2693        &mut self,
2694        path: impl Into<ProjectPath>,
2695        cx: &mut Context<Self>,
2696    ) -> Task<Result<Entity<ImageItem>>> {
2697        if self.is_disconnected(cx) {
2698            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2699        }
2700
2701        let open_image_task = self.image_store.update(cx, |image_store, cx| {
2702            image_store.open_image(path.into(), cx)
2703        });
2704
2705        let weak_project = cx.entity().downgrade();
2706        cx.spawn(async move |_, cx| {
2707            let image_item = open_image_task.await?;
2708            let project = weak_project.upgrade().context("Project dropped")?;
2709
2710            let metadata = ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
2711            image_item.update(cx, |image_item, cx| {
2712                image_item.image_metadata = Some(metadata);
2713                cx.emit(ImageItemEvent::MetadataUpdated);
2714            })?;
2715
2716            Ok(image_item)
2717        })
2718    }
2719
2720    async fn send_buffer_ordered_messages(
2721        project: WeakEntity<Self>,
2722        rx: UnboundedReceiver<BufferOrderedMessage>,
2723        cx: &mut AsyncApp,
2724    ) -> Result<()> {
2725        const MAX_BATCH_SIZE: usize = 128;
2726
2727        let mut operations_by_buffer_id = HashMap::default();
2728        async fn flush_operations(
2729            this: &WeakEntity<Project>,
2730            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
2731            needs_resync_with_host: &mut bool,
2732            is_local: bool,
2733            cx: &mut AsyncApp,
2734        ) -> Result<()> {
2735            for (buffer_id, operations) in operations_by_buffer_id.drain() {
2736                let request = this.read_with(cx, |this, _| {
2737                    let project_id = this.remote_id()?;
2738                    Some(this.client.request(proto::UpdateBuffer {
2739                        buffer_id: buffer_id.into(),
2740                        project_id,
2741                        operations,
2742                    }))
2743                })?;
2744                if let Some(request) = request
2745                    && request.await.is_err()
2746                    && !is_local
2747                {
2748                    *needs_resync_with_host = true;
2749                    break;
2750                }
2751            }
2752            Ok(())
2753        }
2754
2755        let mut needs_resync_with_host = false;
2756        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
2757
2758        while let Some(changes) = changes.next().await {
2759            let is_local = project.read_with(cx, |this, _| this.is_local())?;
2760
2761            for change in changes {
2762                match change {
2763                    BufferOrderedMessage::Operation {
2764                        buffer_id,
2765                        operation,
2766                    } => {
2767                        if needs_resync_with_host {
2768                            continue;
2769                        }
2770
2771                        operations_by_buffer_id
2772                            .entry(buffer_id)
2773                            .or_insert(Vec::new())
2774                            .push(operation);
2775                    }
2776
2777                    BufferOrderedMessage::Resync => {
2778                        operations_by_buffer_id.clear();
2779                        if project
2780                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
2781                            .await
2782                            .is_ok()
2783                        {
2784                            needs_resync_with_host = false;
2785                        }
2786                    }
2787
2788                    BufferOrderedMessage::LanguageServerUpdate {
2789                        language_server_id,
2790                        message,
2791                        name,
2792                    } => {
2793                        flush_operations(
2794                            &project,
2795                            &mut operations_by_buffer_id,
2796                            &mut needs_resync_with_host,
2797                            is_local,
2798                            cx,
2799                        )
2800                        .await?;
2801
2802                        project.read_with(cx, |project, _| {
2803                            if let Some(project_id) = project.remote_id() {
2804                                project
2805                                    .client
2806                                    .send(proto::UpdateLanguageServer {
2807                                        project_id,
2808                                        server_name: name.map(|name| String::from(name.0)),
2809                                        language_server_id: language_server_id.to_proto(),
2810                                        variant: Some(message),
2811                                    })
2812                                    .log_err();
2813                            }
2814                        })?;
2815                    }
2816                }
2817            }
2818
2819            flush_operations(
2820                &project,
2821                &mut operations_by_buffer_id,
2822                &mut needs_resync_with_host,
2823                is_local,
2824                cx,
2825            )
2826            .await?;
2827        }
2828
2829        Ok(())
2830    }
2831
2832    fn on_buffer_store_event(
2833        &mut self,
2834        _: Entity<BufferStore>,
2835        event: &BufferStoreEvent,
2836        cx: &mut Context<Self>,
2837    ) {
2838        match event {
2839            BufferStoreEvent::BufferAdded(buffer) => {
2840                self.register_buffer(buffer, cx).log_err();
2841            }
2842            BufferStoreEvent::BufferDropped(buffer_id) => {
2843                if let Some(ref ssh_client) = self.ssh_client {
2844                    ssh_client
2845                        .read(cx)
2846                        .proto_client()
2847                        .send(proto::CloseBuffer {
2848                            project_id: 0,
2849                            buffer_id: buffer_id.to_proto(),
2850                        })
2851                        .log_err();
2852                }
2853            }
2854            _ => {}
2855        }
2856    }
2857
2858    fn on_image_store_event(
2859        &mut self,
2860        _: Entity<ImageStore>,
2861        event: &ImageStoreEvent,
2862        cx: &mut Context<Self>,
2863    ) {
2864        match event {
2865            ImageStoreEvent::ImageAdded(image) => {
2866                cx.subscribe(image, |this, image, event, cx| {
2867                    this.on_image_event(image, event, cx);
2868                })
2869                .detach();
2870            }
2871        }
2872    }
2873
2874    fn on_dap_store_event(
2875        &mut self,
2876        _: Entity<DapStore>,
2877        event: &DapStoreEvent,
2878        cx: &mut Context<Self>,
2879    ) {
2880        if let DapStoreEvent::Notification(message) = event {
2881            cx.emit(Event::Toast {
2882                notification_id: "dap".into(),
2883                message: message.clone(),
2884            });
2885        }
2886    }
2887
2888    fn on_lsp_store_event(
2889        &mut self,
2890        _: Entity<LspStore>,
2891        event: &LspStoreEvent,
2892        cx: &mut Context<Self>,
2893    ) {
2894        match event {
2895            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
2896                cx.emit(Event::DiagnosticsUpdated {
2897                    paths: paths.clone(),
2898                    language_server_id: *server_id,
2899                })
2900            }
2901            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
2902                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
2903            ),
2904            LspStoreEvent::LanguageServerRemoved(server_id) => {
2905                cx.emit(Event::LanguageServerRemoved(*server_id))
2906            }
2907            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
2908                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
2909            ),
2910            LspStoreEvent::LanguageDetected {
2911                buffer,
2912                new_language,
2913            } => {
2914                let Some(_) = new_language else {
2915                    cx.emit(Event::LanguageNotFound(buffer.clone()));
2916                    return;
2917                };
2918            }
2919            LspStoreEvent::RefreshInlayHints => cx.emit(Event::RefreshInlayHints),
2920            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
2921            LspStoreEvent::LanguageServerPrompt(prompt) => {
2922                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
2923            }
2924            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
2925                cx.emit(Event::DiskBasedDiagnosticsStarted {
2926                    language_server_id: *language_server_id,
2927                });
2928            }
2929            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
2930                cx.emit(Event::DiskBasedDiagnosticsFinished {
2931                    language_server_id: *language_server_id,
2932                });
2933            }
2934            LspStoreEvent::LanguageServerUpdate {
2935                language_server_id,
2936                name,
2937                message,
2938            } => {
2939                if self.is_local() {
2940                    self.enqueue_buffer_ordered_message(
2941                        BufferOrderedMessage::LanguageServerUpdate {
2942                            language_server_id: *language_server_id,
2943                            message: message.clone(),
2944                            name: name.clone(),
2945                        },
2946                    )
2947                    .ok();
2948                }
2949
2950                match message {
2951                    proto::update_language_server::Variant::MetadataUpdated(update) => {
2952                        if let Some(capabilities) = update
2953                            .capabilities
2954                            .as_ref()
2955                            .and_then(|capabilities| serde_json::from_str(capabilities).ok())
2956                        {
2957                            self.lsp_store.update(cx, |lsp_store, _| {
2958                                lsp_store
2959                                    .lsp_server_capabilities
2960                                    .insert(*language_server_id, capabilities);
2961                            });
2962                        }
2963                    }
2964                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
2965                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
2966                            cx.emit(Event::LanguageServerBufferRegistered {
2967                                buffer_id,
2968                                server_id: *language_server_id,
2969                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
2970                            });
2971                        }
2972                    }
2973                    _ => (),
2974                }
2975            }
2976            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
2977                notification_id: "lsp".into(),
2978                message: message.clone(),
2979            }),
2980            LspStoreEvent::SnippetEdit {
2981                buffer_id,
2982                edits,
2983                most_recent_edit,
2984            } => {
2985                if most_recent_edit.replica_id == self.replica_id() {
2986                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
2987                }
2988            }
2989            LspStoreEvent::UnsavedBufferEdit(buffer) => {
2990                cx.emit(Event::UnsavedBufferEdit(buffer.clone()));
2991            }
2992        }
2993    }
2994
2995    fn on_ssh_event(
2996        &mut self,
2997        _: Entity<SshRemoteClient>,
2998        event: &remote::SshRemoteEvent,
2999        cx: &mut Context<Self>,
3000    ) {
3001        match event {
3002            remote::SshRemoteEvent::Disconnected => {
3003                // if self.is_via_ssh() {
3004                // self.collaborators.clear();
3005                self.worktree_store.update(cx, |store, cx| {
3006                    store.disconnected_from_host(cx);
3007                });
3008                self.buffer_store.update(cx, |buffer_store, cx| {
3009                    buffer_store.disconnected_from_host(cx)
3010                });
3011                self.lsp_store.update(cx, |lsp_store, _cx| {
3012                    lsp_store.disconnected_from_ssh_remote()
3013                });
3014                cx.emit(Event::DisconnectedFromSshRemote);
3015            }
3016        }
3017    }
3018
3019    fn on_settings_observer_event(
3020        &mut self,
3021        _: Entity<SettingsObserver>,
3022        event: &SettingsObserverEvent,
3023        cx: &mut Context<Self>,
3024    ) {
3025        match event {
3026            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3027                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3028                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3029                    cx.emit(Event::Toast {
3030                        notification_id: format!("local-settings-{path:?}").into(),
3031                        message,
3032                    });
3033                }
3034                Ok(path) => cx.emit(Event::HideToast {
3035                    notification_id: format!("local-settings-{path:?}").into(),
3036                }),
3037                Err(_) => {}
3038            },
3039            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3040                Err(InvalidSettingsError::Tasks { message, path }) => {
3041                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3042                    cx.emit(Event::Toast {
3043                        notification_id: format!("local-tasks-{path:?}").into(),
3044                        message,
3045                    });
3046                }
3047                Ok(path) => cx.emit(Event::HideToast {
3048                    notification_id: format!("local-tasks-{path:?}").into(),
3049                }),
3050                Err(_) => {}
3051            },
3052            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3053                Err(InvalidSettingsError::Debug { message, path }) => {
3054                    let message =
3055                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3056                    cx.emit(Event::Toast {
3057                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3058                        message,
3059                    });
3060                }
3061                Ok(path) => cx.emit(Event::HideToast {
3062                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3063                }),
3064                Err(_) => {}
3065            },
3066        }
3067    }
3068
3069    fn on_worktree_store_event(
3070        &mut self,
3071        _: Entity<WorktreeStore>,
3072        event: &WorktreeStoreEvent,
3073        cx: &mut Context<Self>,
3074    ) {
3075        match event {
3076            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3077                self.on_worktree_added(worktree, cx);
3078                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3079            }
3080            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3081                cx.emit(Event::WorktreeRemoved(*id));
3082            }
3083            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3084                self.on_worktree_released(*id, cx);
3085            }
3086            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3087            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3088            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3089                self.client()
3090                    .telemetry()
3091                    .report_discovered_project_type_events(*worktree_id, changes);
3092                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3093            }
3094            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3095                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3096            }
3097            // Listen to the GitStore instead.
3098            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3099        }
3100    }
3101
3102    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3103        let mut remotely_created_models = self.remotely_created_models.lock();
3104        if remotely_created_models.retain_count > 0 {
3105            remotely_created_models.worktrees.push(worktree.clone())
3106        }
3107    }
3108
3109    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3110        if let Some(ssh) = &self.ssh_client {
3111            ssh.read(cx)
3112                .proto_client()
3113                .send(proto::RemoveWorktree {
3114                    worktree_id: id_to_remove.to_proto(),
3115                })
3116                .log_err();
3117        }
3118    }
3119
3120    fn on_buffer_event(
3121        &mut self,
3122        buffer: Entity<Buffer>,
3123        event: &BufferEvent,
3124        cx: &mut Context<Self>,
3125    ) -> Option<()> {
3126        if matches!(event, BufferEvent::Edited { .. } | BufferEvent::Reloaded) {
3127            self.request_buffer_diff_recalculation(&buffer, cx);
3128        }
3129
3130        let buffer_id = buffer.read(cx).remote_id();
3131        match event {
3132            BufferEvent::ReloadNeeded => {
3133                if !self.is_via_collab() {
3134                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3135                        .detach_and_log_err(cx);
3136                }
3137            }
3138            BufferEvent::Operation {
3139                operation,
3140                is_local: true,
3141            } => {
3142                let operation = language::proto::serialize_operation(operation);
3143
3144                if let Some(ssh) = &self.ssh_client {
3145                    ssh.read(cx)
3146                        .proto_client()
3147                        .send(proto::UpdateBuffer {
3148                            project_id: 0,
3149                            buffer_id: buffer_id.to_proto(),
3150                            operations: vec![operation.clone()],
3151                        })
3152                        .ok();
3153                }
3154
3155                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3156                    buffer_id,
3157                    operation,
3158                })
3159                .ok();
3160            }
3161
3162            _ => {}
3163        }
3164
3165        None
3166    }
3167
3168    fn on_image_event(
3169        &mut self,
3170        image: Entity<ImageItem>,
3171        event: &ImageItemEvent,
3172        cx: &mut Context<Self>,
3173    ) -> Option<()> {
3174        if let ImageItemEvent::ReloadNeeded = event
3175            && !self.is_via_collab()
3176        {
3177            self.reload_images([image.clone()].into_iter().collect(), cx)
3178                .detach_and_log_err(cx);
3179        }
3180
3181        None
3182    }
3183
3184    fn request_buffer_diff_recalculation(
3185        &mut self,
3186        buffer: &Entity<Buffer>,
3187        cx: &mut Context<Self>,
3188    ) {
3189        self.buffers_needing_diff.insert(buffer.downgrade());
3190        let first_insertion = self.buffers_needing_diff.len() == 1;
3191
3192        let settings = ProjectSettings::get_global(cx);
3193        let delay = if let Some(delay) = settings.git.gutter_debounce {
3194            delay
3195        } else {
3196            if first_insertion {
3197                let this = cx.weak_entity();
3198                cx.defer(move |cx| {
3199                    if let Some(this) = this.upgrade() {
3200                        this.update(cx, |this, cx| {
3201                            this.recalculate_buffer_diffs(cx).detach();
3202                        });
3203                    }
3204                });
3205            }
3206            return;
3207        };
3208
3209        const MIN_DELAY: u64 = 50;
3210        let delay = delay.max(MIN_DELAY);
3211        let duration = Duration::from_millis(delay);
3212
3213        self.git_diff_debouncer
3214            .fire_new(duration, cx, move |this, cx| {
3215                this.recalculate_buffer_diffs(cx)
3216            });
3217    }
3218
3219    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3220        cx.spawn(async move |this, cx| {
3221            loop {
3222                let task = this
3223                    .update(cx, |this, cx| {
3224                        let buffers = this
3225                            .buffers_needing_diff
3226                            .drain()
3227                            .filter_map(|buffer| buffer.upgrade())
3228                            .collect::<Vec<_>>();
3229                        if buffers.is_empty() {
3230                            None
3231                        } else {
3232                            Some(this.git_store.update(cx, |git_store, cx| {
3233                                git_store.recalculate_buffer_diffs(buffers, cx)
3234                            }))
3235                        }
3236                    })
3237                    .ok()
3238                    .flatten();
3239
3240                if let Some(task) = task {
3241                    task.await;
3242                } else {
3243                    break;
3244                }
3245            }
3246        })
3247    }
3248
3249    pub fn set_language_for_buffer(
3250        &mut self,
3251        buffer: &Entity<Buffer>,
3252        new_language: Arc<Language>,
3253        cx: &mut Context<Self>,
3254    ) {
3255        self.lsp_store.update(cx, |lsp_store, cx| {
3256            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3257        })
3258    }
3259
3260    pub fn restart_language_servers_for_buffers(
3261        &mut self,
3262        buffers: Vec<Entity<Buffer>>,
3263        only_restart_servers: HashSet<LanguageServerSelector>,
3264        cx: &mut Context<Self>,
3265    ) {
3266        self.lsp_store.update(cx, |lsp_store, cx| {
3267            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3268        })
3269    }
3270
3271    pub fn stop_language_servers_for_buffers(
3272        &mut self,
3273        buffers: Vec<Entity<Buffer>>,
3274        also_restart_servers: HashSet<LanguageServerSelector>,
3275        cx: &mut Context<Self>,
3276    ) {
3277        self.lsp_store
3278            .update(cx, |lsp_store, cx| {
3279                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3280            })
3281            .detach_and_log_err(cx);
3282    }
3283
3284    pub fn cancel_language_server_work_for_buffers(
3285        &mut self,
3286        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3287        cx: &mut Context<Self>,
3288    ) {
3289        self.lsp_store.update(cx, |lsp_store, cx| {
3290            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3291        })
3292    }
3293
3294    pub fn cancel_language_server_work(
3295        &mut self,
3296        server_id: LanguageServerId,
3297        token_to_cancel: Option<String>,
3298        cx: &mut Context<Self>,
3299    ) {
3300        self.lsp_store.update(cx, |lsp_store, cx| {
3301            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3302        })
3303    }
3304
3305    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3306        self.buffer_ordered_messages_tx
3307            .unbounded_send(message)
3308            .map_err(|e| anyhow!(e))
3309    }
3310
3311    pub fn available_toolchains(
3312        &self,
3313        path: ProjectPath,
3314        language_name: LanguageName,
3315        cx: &App,
3316    ) -> Task<Option<(ToolchainList, Arc<Path>)>> {
3317        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3318            cx.spawn(async move |cx| {
3319                toolchain_store
3320                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3321                    .ok()?
3322                    .await
3323            })
3324        } else {
3325            Task::ready(None)
3326        }
3327    }
3328
3329    pub async fn toolchain_term(
3330        languages: Arc<LanguageRegistry>,
3331        language_name: LanguageName,
3332    ) -> Option<SharedString> {
3333        languages
3334            .language_for_name(language_name.as_ref())
3335            .await
3336            .ok()?
3337            .toolchain_lister()
3338            .map(|lister| lister.term())
3339    }
3340
3341    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3342        self.toolchain_store.clone()
3343    }
3344    pub fn activate_toolchain(
3345        &self,
3346        path: ProjectPath,
3347        toolchain: Toolchain,
3348        cx: &mut App,
3349    ) -> Task<Option<()>> {
3350        let Some(toolchain_store) = self.toolchain_store.clone() else {
3351            return Task::ready(None);
3352        };
3353        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3354    }
3355    pub fn active_toolchain(
3356        &self,
3357        path: ProjectPath,
3358        language_name: LanguageName,
3359        cx: &App,
3360    ) -> Task<Option<Toolchain>> {
3361        let Some(toolchain_store) = self.toolchain_store.clone() else {
3362            return Task::ready(None);
3363        };
3364        toolchain_store
3365            .read(cx)
3366            .active_toolchain(path, language_name, cx)
3367    }
3368    pub fn language_server_statuses<'a>(
3369        &'a self,
3370        cx: &'a App,
3371    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3372        self.lsp_store.read(cx).language_server_statuses()
3373    }
3374
3375    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3376        self.lsp_store.read(cx).last_formatting_failure()
3377    }
3378
3379    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3380        self.lsp_store
3381            .update(cx, |store, _| store.reset_last_formatting_failure());
3382    }
3383
3384    pub fn reload_buffers(
3385        &self,
3386        buffers: HashSet<Entity<Buffer>>,
3387        push_to_history: bool,
3388        cx: &mut Context<Self>,
3389    ) -> Task<Result<ProjectTransaction>> {
3390        self.buffer_store.update(cx, |buffer_store, cx| {
3391            buffer_store.reload_buffers(buffers, push_to_history, cx)
3392        })
3393    }
3394
3395    pub fn reload_images(
3396        &self,
3397        images: HashSet<Entity<ImageItem>>,
3398        cx: &mut Context<Self>,
3399    ) -> Task<Result<()>> {
3400        self.image_store
3401            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3402    }
3403
3404    pub fn format(
3405        &mut self,
3406        buffers: HashSet<Entity<Buffer>>,
3407        target: LspFormatTarget,
3408        push_to_history: bool,
3409        trigger: lsp_store::FormatTrigger,
3410        cx: &mut Context<Project>,
3411    ) -> Task<anyhow::Result<ProjectTransaction>> {
3412        self.lsp_store.update(cx, |lsp_store, cx| {
3413            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3414        })
3415    }
3416
3417    pub fn definitions<T: ToPointUtf16>(
3418        &mut self,
3419        buffer: &Entity<Buffer>,
3420        position: T,
3421        cx: &mut Context<Self>,
3422    ) -> Task<Result<Vec<LocationLink>>> {
3423        let position = position.to_point_utf16(buffer.read(cx));
3424        let guard = self.retain_remotely_created_models(cx);
3425        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3426            lsp_store.definitions(buffer, position, cx)
3427        });
3428        cx.background_spawn(async move {
3429            let result = task.await;
3430            drop(guard);
3431            result
3432        })
3433    }
3434
3435    pub fn declarations<T: ToPointUtf16>(
3436        &mut self,
3437        buffer: &Entity<Buffer>,
3438        position: T,
3439        cx: &mut Context<Self>,
3440    ) -> Task<Result<Vec<LocationLink>>> {
3441        let position = position.to_point_utf16(buffer.read(cx));
3442        let guard = self.retain_remotely_created_models(cx);
3443        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3444            lsp_store.declarations(buffer, position, cx)
3445        });
3446        cx.background_spawn(async move {
3447            let result = task.await;
3448            drop(guard);
3449            result
3450        })
3451    }
3452
3453    pub fn type_definitions<T: ToPointUtf16>(
3454        &mut self,
3455        buffer: &Entity<Buffer>,
3456        position: T,
3457        cx: &mut Context<Self>,
3458    ) -> Task<Result<Vec<LocationLink>>> {
3459        let position = position.to_point_utf16(buffer.read(cx));
3460        let guard = self.retain_remotely_created_models(cx);
3461        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3462            lsp_store.type_definitions(buffer, position, cx)
3463        });
3464        cx.background_spawn(async move {
3465            let result = task.await;
3466            drop(guard);
3467            result
3468        })
3469    }
3470
3471    pub fn implementations<T: ToPointUtf16>(
3472        &mut self,
3473        buffer: &Entity<Buffer>,
3474        position: T,
3475        cx: &mut Context<Self>,
3476    ) -> Task<Result<Vec<LocationLink>>> {
3477        let position = position.to_point_utf16(buffer.read(cx));
3478        let guard = self.retain_remotely_created_models(cx);
3479        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3480            lsp_store.implementations(buffer, position, cx)
3481        });
3482        cx.background_spawn(async move {
3483            let result = task.await;
3484            drop(guard);
3485            result
3486        })
3487    }
3488
3489    pub fn references<T: ToPointUtf16>(
3490        &mut self,
3491        buffer: &Entity<Buffer>,
3492        position: T,
3493        cx: &mut Context<Self>,
3494    ) -> Task<Result<Vec<Location>>> {
3495        let position = position.to_point_utf16(buffer.read(cx));
3496        let guard = self.retain_remotely_created_models(cx);
3497        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3498            lsp_store.references(buffer, position, cx)
3499        });
3500        cx.background_spawn(async move {
3501            let result = task.await;
3502            drop(guard);
3503            result
3504        })
3505    }
3506
3507    pub fn document_highlights<T: ToPointUtf16>(
3508        &mut self,
3509        buffer: &Entity<Buffer>,
3510        position: T,
3511        cx: &mut Context<Self>,
3512    ) -> Task<Result<Vec<DocumentHighlight>>> {
3513        let position = position.to_point_utf16(buffer.read(cx));
3514        self.request_lsp(
3515            buffer.clone(),
3516            LanguageServerToQuery::FirstCapable,
3517            GetDocumentHighlights { position },
3518            cx,
3519        )
3520    }
3521
3522    pub fn document_symbols(
3523        &mut self,
3524        buffer: &Entity<Buffer>,
3525        cx: &mut Context<Self>,
3526    ) -> Task<Result<Vec<DocumentSymbol>>> {
3527        self.request_lsp(
3528            buffer.clone(),
3529            LanguageServerToQuery::FirstCapable,
3530            GetDocumentSymbols,
3531            cx,
3532        )
3533    }
3534
3535    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3536        self.lsp_store
3537            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3538    }
3539
3540    pub fn open_buffer_for_symbol(
3541        &mut self,
3542        symbol: &Symbol,
3543        cx: &mut Context<Self>,
3544    ) -> Task<Result<Entity<Buffer>>> {
3545        self.lsp_store.update(cx, |lsp_store, cx| {
3546            lsp_store.open_buffer_for_symbol(symbol, cx)
3547        })
3548    }
3549
3550    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
3551        let guard = self.retain_remotely_created_models(cx);
3552        let Some(ssh_client) = self.ssh_client.as_ref() else {
3553            return Task::ready(Err(anyhow!("not an ssh project")));
3554        };
3555
3556        let proto_client = ssh_client.read(cx).proto_client();
3557
3558        cx.spawn(async move |project, cx| {
3559            let buffer = proto_client
3560                .request(proto::OpenServerSettings {
3561                    project_id: SSH_PROJECT_ID,
3562                })
3563                .await?;
3564
3565            let buffer = project
3566                .update(cx, |project, cx| {
3567                    project.buffer_store.update(cx, |buffer_store, cx| {
3568                        anyhow::Ok(
3569                            buffer_store
3570                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
3571                        )
3572                    })
3573                })??
3574                .await;
3575
3576            drop(guard);
3577            buffer
3578        })
3579    }
3580
3581    pub fn open_local_buffer_via_lsp(
3582        &mut self,
3583        abs_path: lsp::Url,
3584        language_server_id: LanguageServerId,
3585        cx: &mut Context<Self>,
3586    ) -> Task<Result<Entity<Buffer>>> {
3587        self.lsp_store.update(cx, |lsp_store, cx| {
3588            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
3589        })
3590    }
3591
3592    pub fn signature_help<T: ToPointUtf16>(
3593        &self,
3594        buffer: &Entity<Buffer>,
3595        position: T,
3596        cx: &mut Context<Self>,
3597    ) -> Task<Vec<SignatureHelp>> {
3598        self.lsp_store.update(cx, |lsp_store, cx| {
3599            lsp_store.signature_help(buffer, position, cx)
3600        })
3601    }
3602
3603    pub fn hover<T: ToPointUtf16>(
3604        &self,
3605        buffer: &Entity<Buffer>,
3606        position: T,
3607        cx: &mut Context<Self>,
3608    ) -> Task<Vec<Hover>> {
3609        let position = position.to_point_utf16(buffer.read(cx));
3610        self.lsp_store
3611            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
3612    }
3613
3614    pub fn linked_edits(
3615        &self,
3616        buffer: &Entity<Buffer>,
3617        position: Anchor,
3618        cx: &mut Context<Self>,
3619    ) -> Task<Result<Vec<Range<Anchor>>>> {
3620        self.lsp_store.update(cx, |lsp_store, cx| {
3621            lsp_store.linked_edits(buffer, position, cx)
3622        })
3623    }
3624
3625    pub fn completions<T: ToOffset + ToPointUtf16>(
3626        &self,
3627        buffer: &Entity<Buffer>,
3628        position: T,
3629        context: CompletionContext,
3630        cx: &mut Context<Self>,
3631    ) -> Task<Result<Vec<CompletionResponse>>> {
3632        let position = position.to_point_utf16(buffer.read(cx));
3633        self.lsp_store.update(cx, |lsp_store, cx| {
3634            lsp_store.completions(buffer, position, context, cx)
3635        })
3636    }
3637
3638    pub fn code_actions<T: Clone + ToOffset>(
3639        &mut self,
3640        buffer_handle: &Entity<Buffer>,
3641        range: Range<T>,
3642        kinds: Option<Vec<CodeActionKind>>,
3643        cx: &mut Context<Self>,
3644    ) -> Task<Result<Vec<CodeAction>>> {
3645        let buffer = buffer_handle.read(cx);
3646        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3647        self.lsp_store.update(cx, |lsp_store, cx| {
3648            lsp_store.code_actions(buffer_handle, range, kinds, cx)
3649        })
3650    }
3651
3652    pub fn code_lens_actions<T: Clone + ToOffset>(
3653        &mut self,
3654        buffer: &Entity<Buffer>,
3655        range: Range<T>,
3656        cx: &mut Context<Self>,
3657    ) -> Task<Result<Vec<CodeAction>>> {
3658        let snapshot = buffer.read(cx).snapshot();
3659        let range = range.clone().to_owned().to_point(&snapshot);
3660        let range_start = snapshot.anchor_before(range.start);
3661        let range_end = if range.start == range.end {
3662            range_start
3663        } else {
3664            snapshot.anchor_after(range.end)
3665        };
3666        let range = range_start..range_end;
3667        let code_lens_actions = self
3668            .lsp_store
3669            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
3670
3671        cx.background_spawn(async move {
3672            let mut code_lens_actions = code_lens_actions
3673                .await
3674                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
3675            code_lens_actions.retain(|code_lens_action| {
3676                range
3677                    .start
3678                    .cmp(&code_lens_action.range.start, &snapshot)
3679                    .is_ge()
3680                    && range
3681                        .end
3682                        .cmp(&code_lens_action.range.end, &snapshot)
3683                        .is_le()
3684            });
3685            Ok(code_lens_actions)
3686        })
3687    }
3688
3689    pub fn apply_code_action(
3690        &self,
3691        buffer_handle: Entity<Buffer>,
3692        action: CodeAction,
3693        push_to_history: bool,
3694        cx: &mut Context<Self>,
3695    ) -> Task<Result<ProjectTransaction>> {
3696        self.lsp_store.update(cx, |lsp_store, cx| {
3697            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
3698        })
3699    }
3700
3701    pub fn apply_code_action_kind(
3702        &self,
3703        buffers: HashSet<Entity<Buffer>>,
3704        kind: CodeActionKind,
3705        push_to_history: bool,
3706        cx: &mut Context<Self>,
3707    ) -> Task<Result<ProjectTransaction>> {
3708        self.lsp_store.update(cx, |lsp_store, cx| {
3709            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
3710        })
3711    }
3712
3713    pub fn prepare_rename<T: ToPointUtf16>(
3714        &mut self,
3715        buffer: Entity<Buffer>,
3716        position: T,
3717        cx: &mut Context<Self>,
3718    ) -> Task<Result<PrepareRenameResponse>> {
3719        let position = position.to_point_utf16(buffer.read(cx));
3720        self.request_lsp(
3721            buffer,
3722            LanguageServerToQuery::FirstCapable,
3723            PrepareRename { position },
3724            cx,
3725        )
3726    }
3727
3728    pub fn perform_rename<T: ToPointUtf16>(
3729        &mut self,
3730        buffer: Entity<Buffer>,
3731        position: T,
3732        new_name: String,
3733        cx: &mut Context<Self>,
3734    ) -> Task<Result<ProjectTransaction>> {
3735        let push_to_history = true;
3736        let position = position.to_point_utf16(buffer.read(cx));
3737        self.request_lsp(
3738            buffer,
3739            LanguageServerToQuery::FirstCapable,
3740            PerformRename {
3741                position,
3742                new_name,
3743                push_to_history,
3744            },
3745            cx,
3746        )
3747    }
3748
3749    pub fn on_type_format<T: ToPointUtf16>(
3750        &mut self,
3751        buffer: Entity<Buffer>,
3752        position: T,
3753        trigger: String,
3754        push_to_history: bool,
3755        cx: &mut Context<Self>,
3756    ) -> Task<Result<Option<Transaction>>> {
3757        self.lsp_store.update(cx, |lsp_store, cx| {
3758            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
3759        })
3760    }
3761
3762    pub fn inline_values(
3763        &mut self,
3764        session: Entity<Session>,
3765        active_stack_frame: ActiveStackFrame,
3766        buffer_handle: Entity<Buffer>,
3767        range: Range<text::Anchor>,
3768        cx: &mut Context<Self>,
3769    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3770        let snapshot = buffer_handle.read(cx).snapshot();
3771
3772        let captures = snapshot.debug_variables_query(Anchor::MIN..range.end);
3773
3774        let row = snapshot
3775            .summary_for_anchor::<text::PointUtf16>(&range.end)
3776            .row as usize;
3777
3778        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
3779
3780        let stack_frame_id = active_stack_frame.stack_frame_id;
3781        cx.spawn(async move |this, cx| {
3782            this.update(cx, |project, cx| {
3783                project.dap_store().update(cx, |dap_store, cx| {
3784                    dap_store.resolve_inline_value_locations(
3785                        session,
3786                        stack_frame_id,
3787                        buffer_handle,
3788                        inline_value_locations,
3789                        cx,
3790                    )
3791                })
3792            })?
3793            .await
3794        })
3795    }
3796
3797    pub fn inlay_hints<T: ToOffset>(
3798        &mut self,
3799        buffer_handle: Entity<Buffer>,
3800        range: Range<T>,
3801        cx: &mut Context<Self>,
3802    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
3803        let buffer = buffer_handle.read(cx);
3804        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
3805        self.lsp_store.update(cx, |lsp_store, cx| {
3806            lsp_store.inlay_hints(buffer_handle, range, cx)
3807        })
3808    }
3809
3810    pub fn resolve_inlay_hint(
3811        &self,
3812        hint: InlayHint,
3813        buffer_handle: Entity<Buffer>,
3814        server_id: LanguageServerId,
3815        cx: &mut Context<Self>,
3816    ) -> Task<anyhow::Result<InlayHint>> {
3817        self.lsp_store.update(cx, |lsp_store, cx| {
3818            lsp_store.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
3819        })
3820    }
3821
3822    pub fn search(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> Receiver<SearchResult> {
3823        let (result_tx, result_rx) = smol::channel::unbounded();
3824
3825        let matching_buffers_rx = if query.is_opened_only() {
3826            self.sort_search_candidates(&query, cx)
3827        } else {
3828            self.find_search_candidate_buffers(&query, MAX_SEARCH_RESULT_FILES + 1, cx)
3829        };
3830
3831        cx.spawn(async move |_, cx| {
3832            let mut range_count = 0;
3833            let mut buffer_count = 0;
3834            let mut limit_reached = false;
3835            let query = Arc::new(query);
3836            let chunks = matching_buffers_rx.ready_chunks(64);
3837
3838            // Now that we know what paths match the query, we will load at most
3839            // 64 buffers at a time to avoid overwhelming the main thread. For each
3840            // opened buffer, we will spawn a background task that retrieves all the
3841            // ranges in the buffer matched by the query.
3842            let mut chunks = pin!(chunks);
3843            'outer: while let Some(matching_buffer_chunk) = chunks.next().await {
3844                let mut chunk_results = Vec::with_capacity(matching_buffer_chunk.len());
3845                for buffer in matching_buffer_chunk {
3846                    let query = query.clone();
3847                    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
3848                    chunk_results.push(cx.background_spawn(async move {
3849                        let ranges = query
3850                            .search(&snapshot, None)
3851                            .await
3852                            .iter()
3853                            .map(|range| {
3854                                snapshot.anchor_before(range.start)
3855                                    ..snapshot.anchor_after(range.end)
3856                            })
3857                            .collect::<Vec<_>>();
3858                        anyhow::Ok((buffer, ranges))
3859                    }));
3860                }
3861
3862                let chunk_results = futures::future::join_all(chunk_results).await;
3863                for result in chunk_results {
3864                    if let Some((buffer, ranges)) = result.log_err() {
3865                        range_count += ranges.len();
3866                        buffer_count += 1;
3867                        result_tx
3868                            .send(SearchResult::Buffer { buffer, ranges })
3869                            .await?;
3870                        if buffer_count > MAX_SEARCH_RESULT_FILES
3871                            || range_count > MAX_SEARCH_RESULT_RANGES
3872                        {
3873                            limit_reached = true;
3874                            break 'outer;
3875                        }
3876                    }
3877                }
3878            }
3879
3880            if limit_reached {
3881                result_tx.send(SearchResult::LimitReached).await?;
3882            }
3883
3884            anyhow::Ok(())
3885        })
3886        .detach();
3887
3888        result_rx
3889    }
3890
3891    fn find_search_candidate_buffers(
3892        &mut self,
3893        query: &SearchQuery,
3894        limit: usize,
3895        cx: &mut Context<Project>,
3896    ) -> Receiver<Entity<Buffer>> {
3897        if self.is_local() {
3898            let fs = self.fs.clone();
3899            self.buffer_store.update(cx, |buffer_store, cx| {
3900                buffer_store.find_search_candidates(query, limit, fs, cx)
3901            })
3902        } else {
3903            self.find_search_candidates_remote(query, limit, cx)
3904        }
3905    }
3906
3907    fn sort_search_candidates(
3908        &mut self,
3909        search_query: &SearchQuery,
3910        cx: &mut Context<Project>,
3911    ) -> Receiver<Entity<Buffer>> {
3912        let worktree_store = self.worktree_store.read(cx);
3913        let mut buffers = search_query
3914            .buffers()
3915            .into_iter()
3916            .flatten()
3917            .filter(|buffer| {
3918                let b = buffer.read(cx);
3919                if let Some(file) = b.file() {
3920                    if !search_query.match_path(file.path()) {
3921                        return false;
3922                    }
3923                    if let Some(entry) = b
3924                        .entry_id(cx)
3925                        .and_then(|entry_id| worktree_store.entry_for_id(entry_id, cx))
3926                        && entry.is_ignored
3927                        && !search_query.include_ignored()
3928                    {
3929                        return false;
3930                    }
3931                }
3932                true
3933            })
3934            .collect::<Vec<_>>();
3935        let (tx, rx) = smol::channel::unbounded();
3936        buffers.sort_by(|a, b| match (a.read(cx).file(), b.read(cx).file()) {
3937            (None, None) => a.read(cx).remote_id().cmp(&b.read(cx).remote_id()),
3938            (None, Some(_)) => std::cmp::Ordering::Less,
3939            (Some(_), None) => std::cmp::Ordering::Greater,
3940            (Some(a), Some(b)) => compare_paths((a.path(), true), (b.path(), true)),
3941        });
3942        for buffer in buffers {
3943            tx.send_blocking(buffer.clone()).unwrap()
3944        }
3945
3946        rx
3947    }
3948
3949    fn find_search_candidates_remote(
3950        &mut self,
3951        query: &SearchQuery,
3952        limit: usize,
3953        cx: &mut Context<Project>,
3954    ) -> Receiver<Entity<Buffer>> {
3955        let (tx, rx) = smol::channel::unbounded();
3956
3957        let (client, remote_id): (AnyProtoClient, _) = if let Some(ssh_client) = &self.ssh_client {
3958            (ssh_client.read(cx).proto_client(), 0)
3959        } else if let Some(remote_id) = self.remote_id() {
3960            (self.client.clone().into(), remote_id)
3961        } else {
3962            return rx;
3963        };
3964
3965        let request = client.request(proto::FindSearchCandidates {
3966            project_id: remote_id,
3967            query: Some(query.to_proto()),
3968            limit: limit as _,
3969        });
3970        let guard = self.retain_remotely_created_models(cx);
3971
3972        cx.spawn(async move |project, cx| {
3973            let response = request.await?;
3974            for buffer_id in response.buffer_ids {
3975                let buffer_id = BufferId::new(buffer_id)?;
3976                let buffer = project
3977                    .update(cx, |project, cx| {
3978                        project.buffer_store.update(cx, |buffer_store, cx| {
3979                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
3980                        })
3981                    })?
3982                    .await?;
3983                let _ = tx.send(buffer).await;
3984            }
3985
3986            drop(guard);
3987            anyhow::Ok(())
3988        })
3989        .detach_and_log_err(cx);
3990        rx
3991    }
3992
3993    pub fn request_lsp<R: LspCommand>(
3994        &mut self,
3995        buffer_handle: Entity<Buffer>,
3996        server: LanguageServerToQuery,
3997        request: R,
3998        cx: &mut Context<Self>,
3999    ) -> Task<Result<R::Response>>
4000    where
4001        <R::LspRequest as lsp::request::Request>::Result: Send,
4002        <R::LspRequest as lsp::request::Request>::Params: Send,
4003    {
4004        let guard = self.retain_remotely_created_models(cx);
4005        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4006            lsp_store.request_lsp(buffer_handle, server, request, cx)
4007        });
4008        cx.background_spawn(async move {
4009            let result = task.await;
4010            drop(guard);
4011            result
4012        })
4013    }
4014
4015    /// Move a worktree to a new position in the worktree order.
4016    ///
4017    /// The worktree will moved to the opposite side of the destination worktree.
4018    ///
4019    /// # Example
4020    ///
4021    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4022    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4023    ///
4024    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4025    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4026    ///
4027    /// # Errors
4028    ///
4029    /// An error will be returned if the worktree or destination worktree are not found.
4030    pub fn move_worktree(
4031        &mut self,
4032        source: WorktreeId,
4033        destination: WorktreeId,
4034        cx: &mut Context<Self>,
4035    ) -> Result<()> {
4036        self.worktree_store.update(cx, |worktree_store, cx| {
4037            worktree_store.move_worktree(source, destination, cx)
4038        })
4039    }
4040
4041    pub fn find_or_create_worktree(
4042        &mut self,
4043        abs_path: impl AsRef<Path>,
4044        visible: bool,
4045        cx: &mut Context<Self>,
4046    ) -> Task<Result<(Entity<Worktree>, PathBuf)>> {
4047        self.worktree_store.update(cx, |worktree_store, cx| {
4048            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4049        })
4050    }
4051
4052    pub fn find_worktree(&self, abs_path: &Path, cx: &App) -> Option<(Entity<Worktree>, PathBuf)> {
4053        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4054    }
4055
4056    pub fn is_shared(&self) -> bool {
4057        match &self.client_state {
4058            ProjectClientState::Shared { .. } => true,
4059            ProjectClientState::Local => false,
4060            ProjectClientState::Remote { .. } => true,
4061        }
4062    }
4063
4064    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4065    pub fn resolve_path_in_buffer(
4066        &self,
4067        path: &str,
4068        buffer: &Entity<Buffer>,
4069        cx: &mut Context<Self>,
4070    ) -> Task<Option<ResolvedPath>> {
4071        let path_buf = PathBuf::from(path);
4072        if path_buf.is_absolute() || path.starts_with("~") {
4073            self.resolve_abs_path(path, cx)
4074        } else {
4075            self.resolve_path_in_worktrees(path_buf, buffer, cx)
4076        }
4077    }
4078
4079    pub fn resolve_abs_file_path(
4080        &self,
4081        path: &str,
4082        cx: &mut Context<Self>,
4083    ) -> Task<Option<ResolvedPath>> {
4084        let resolve_task = self.resolve_abs_path(path, cx);
4085        cx.background_spawn(async move {
4086            let resolved_path = resolve_task.await;
4087            resolved_path.filter(|path| path.is_file())
4088        })
4089    }
4090
4091    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4092        if self.is_local() {
4093            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4094            let fs = self.fs.clone();
4095            cx.background_spawn(async move {
4096                let path = expanded.as_path();
4097                let metadata = fs.metadata(path).await.ok().flatten();
4098
4099                metadata.map(|metadata| ResolvedPath::AbsPath {
4100                    path: expanded,
4101                    is_dir: metadata.is_dir,
4102                })
4103            })
4104        } else if let Some(ssh_client) = self.ssh_client.as_ref() {
4105            let path_style = ssh_client.read(cx).path_style();
4106            let request_path = RemotePathBuf::from_str(path, path_style);
4107            let request = ssh_client
4108                .read(cx)
4109                .proto_client()
4110                .request(proto::GetPathMetadata {
4111                    project_id: SSH_PROJECT_ID,
4112                    path: request_path.to_proto(),
4113                });
4114            cx.background_spawn(async move {
4115                let response = request.await.log_err()?;
4116                if response.exists {
4117                    Some(ResolvedPath::AbsPath {
4118                        path: PathBuf::from_proto(response.path),
4119                        is_dir: response.is_dir,
4120                    })
4121                } else {
4122                    None
4123                }
4124            })
4125        } else {
4126            Task::ready(None)
4127        }
4128    }
4129
4130    fn resolve_path_in_worktrees(
4131        &self,
4132        path: PathBuf,
4133        buffer: &Entity<Buffer>,
4134        cx: &mut Context<Self>,
4135    ) -> Task<Option<ResolvedPath>> {
4136        let mut candidates = vec![path.clone()];
4137
4138        if let Some(file) = buffer.read(cx).file()
4139            && let Some(dir) = file.path().parent()
4140        {
4141            let joined = dir.to_path_buf().join(path);
4142            candidates.push(joined);
4143        }
4144
4145        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4146        let worktrees_with_ids: Vec<_> = self
4147            .worktrees(cx)
4148            .map(|worktree| {
4149                let id = worktree.read(cx).id();
4150                (worktree, id)
4151            })
4152            .collect();
4153
4154        cx.spawn(async move |_, cx| {
4155            if let Some(buffer_worktree_id) = buffer_worktree_id
4156                && let Some((worktree, _)) = worktrees_with_ids
4157                    .iter()
4158                    .find(|(_, id)| *id == buffer_worktree_id)
4159            {
4160                for candidate in candidates.iter() {
4161                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4162                        return Some(path);
4163                    }
4164                }
4165            }
4166            for (worktree, id) in worktrees_with_ids {
4167                if Some(id) == buffer_worktree_id {
4168                    continue;
4169                }
4170                for candidate in candidates.iter() {
4171                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4172                        return Some(path);
4173                    }
4174                }
4175            }
4176            None
4177        })
4178    }
4179
4180    fn resolve_path_in_worktree(
4181        worktree: &Entity<Worktree>,
4182        path: &PathBuf,
4183        cx: &mut AsyncApp,
4184    ) -> Option<ResolvedPath> {
4185        worktree
4186            .read_with(cx, |worktree, _| {
4187                let root_entry_path = &worktree.root_entry()?.path;
4188                let resolved = resolve_path(root_entry_path, path);
4189                let stripped = resolved.strip_prefix(root_entry_path).unwrap_or(&resolved);
4190                worktree.entry_for_path(stripped).map(|entry| {
4191                    let project_path = ProjectPath {
4192                        worktree_id: worktree.id(),
4193                        path: entry.path.clone(),
4194                    };
4195                    ResolvedPath::ProjectPath {
4196                        project_path,
4197                        is_dir: entry.is_dir(),
4198                    }
4199                })
4200            })
4201            .ok()?
4202    }
4203
4204    pub fn list_directory(
4205        &self,
4206        query: String,
4207        cx: &mut Context<Self>,
4208    ) -> Task<Result<Vec<DirectoryItem>>> {
4209        if self.is_local() {
4210            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4211        } else if let Some(session) = self.ssh_client.as_ref() {
4212            let path_buf = PathBuf::from(query);
4213            let request = proto::ListRemoteDirectory {
4214                dev_server_id: SSH_PROJECT_ID,
4215                path: path_buf.to_proto(),
4216                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4217            };
4218
4219            let response = session.read(cx).proto_client().request(request);
4220            cx.background_spawn(async move {
4221                let proto::ListRemoteDirectoryResponse {
4222                    entries,
4223                    entry_info,
4224                } = response.await?;
4225                Ok(entries
4226                    .into_iter()
4227                    .zip(entry_info)
4228                    .map(|(entry, info)| DirectoryItem {
4229                        path: PathBuf::from(entry),
4230                        is_dir: info.is_dir,
4231                    })
4232                    .collect())
4233            })
4234        } else {
4235            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4236        }
4237    }
4238
4239    pub fn create_worktree(
4240        &mut self,
4241        abs_path: impl AsRef<Path>,
4242        visible: bool,
4243        cx: &mut Context<Self>,
4244    ) -> Task<Result<Entity<Worktree>>> {
4245        self.worktree_store.update(cx, |worktree_store, cx| {
4246            worktree_store.create_worktree(abs_path, visible, cx)
4247        })
4248    }
4249
4250    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4251        self.worktree_store.update(cx, |worktree_store, cx| {
4252            worktree_store.remove_worktree(id_to_remove, cx);
4253        });
4254    }
4255
4256    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4257        self.worktree_store.update(cx, |worktree_store, cx| {
4258            worktree_store.add(worktree, cx);
4259        });
4260    }
4261
4262    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4263        let new_active_entry = entry.and_then(|project_path| {
4264            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4265            let entry = worktree.read(cx).entry_for_path(project_path.path)?;
4266            Some(entry.id)
4267        });
4268        if new_active_entry != self.active_entry {
4269            self.active_entry = new_active_entry;
4270            self.lsp_store.update(cx, |lsp_store, _| {
4271                lsp_store.set_active_entry(new_active_entry);
4272            });
4273            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4274        }
4275    }
4276
4277    pub fn language_servers_running_disk_based_diagnostics<'a>(
4278        &'a self,
4279        cx: &'a App,
4280    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4281        self.lsp_store
4282            .read(cx)
4283            .language_servers_running_disk_based_diagnostics()
4284    }
4285
4286    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4287        self.lsp_store
4288            .read(cx)
4289            .diagnostic_summary(include_ignored, cx)
4290    }
4291
4292    pub fn diagnostic_summaries<'a>(
4293        &'a self,
4294        include_ignored: bool,
4295        cx: &'a App,
4296    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4297        self.lsp_store
4298            .read(cx)
4299            .diagnostic_summaries(include_ignored, cx)
4300    }
4301
4302    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4303        self.active_entry
4304    }
4305
4306    pub fn entry_for_path(&self, path: &ProjectPath, cx: &App) -> Option<Entry> {
4307        self.worktree_store.read(cx).entry_for_path(path, cx)
4308    }
4309
4310    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4311        let worktree = self.worktree_for_entry(entry_id, cx)?;
4312        let worktree = worktree.read(cx);
4313        let worktree_id = worktree.id();
4314        let path = worktree.entry_for_id(entry_id)?.path.clone();
4315        Some(ProjectPath { worktree_id, path })
4316    }
4317
4318    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4319        self.worktree_for_id(project_path.worktree_id, cx)?
4320            .read(cx)
4321            .absolutize(&project_path.path)
4322            .ok()
4323    }
4324
4325    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4326    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4327    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4328    /// the first visible worktree that has an entry for that relative path.
4329    ///
4330    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4331    /// root name from paths.
4332    ///
4333    /// # Arguments
4334    ///
4335    /// * `path` - A full path that starts with a worktree root name, or alternatively a
4336    ///            relative path within a visible worktree.
4337    /// * `cx` - A reference to the `AppContext`.
4338    ///
4339    /// # Returns
4340    ///
4341    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4342    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4343        let path = path.as_ref();
4344        let worktree_store = self.worktree_store.read(cx);
4345
4346        if path.is_absolute() {
4347            for worktree in worktree_store.visible_worktrees(cx) {
4348                let worktree_abs_path = worktree.read(cx).abs_path();
4349
4350                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path) {
4351                    return Some(ProjectPath {
4352                        worktree_id: worktree.read(cx).id(),
4353                        path: relative_path.into(),
4354                    });
4355                }
4356            }
4357        } else {
4358            for worktree in worktree_store.visible_worktrees(cx) {
4359                let worktree_root_name = worktree.read(cx).root_name();
4360                if let Ok(relative_path) = path.strip_prefix(worktree_root_name) {
4361                    return Some(ProjectPath {
4362                        worktree_id: worktree.read(cx).id(),
4363                        path: relative_path.into(),
4364                    });
4365                }
4366            }
4367
4368            for worktree in worktree_store.visible_worktrees(cx) {
4369                let worktree = worktree.read(cx);
4370                if let Some(entry) = worktree.entry_for_path(path) {
4371                    return Some(ProjectPath {
4372                        worktree_id: worktree.id(),
4373                        path: entry.path.clone(),
4374                    });
4375                }
4376            }
4377        }
4378
4379        None
4380    }
4381
4382    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4383        self.find_worktree(abs_path, cx)
4384            .map(|(worktree, relative_path)| ProjectPath {
4385                worktree_id: worktree.read(cx).id(),
4386                path: relative_path.into(),
4387            })
4388    }
4389
4390    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4391        Some(
4392            self.worktree_for_id(project_path.worktree_id, cx)?
4393                .read(cx)
4394                .abs_path()
4395                .to_path_buf(),
4396        )
4397    }
4398
4399    pub fn blame_buffer(
4400        &self,
4401        buffer: &Entity<Buffer>,
4402        version: Option<clock::Global>,
4403        cx: &mut App,
4404    ) -> Task<Result<Option<Blame>>> {
4405        self.git_store.update(cx, |git_store, cx| {
4406            git_store.blame_buffer(buffer, version, cx)
4407        })
4408    }
4409
4410    pub fn get_permalink_to_line(
4411        &self,
4412        buffer: &Entity<Buffer>,
4413        selection: Range<u32>,
4414        cx: &mut App,
4415    ) -> Task<Result<url::Url>> {
4416        self.git_store.update(cx, |git_store, cx| {
4417            git_store.get_permalink_to_line(buffer, selection, cx)
4418        })
4419    }
4420
4421    // RPC message handlers
4422
4423    async fn handle_unshare_project(
4424        this: Entity<Self>,
4425        _: TypedEnvelope<proto::UnshareProject>,
4426        mut cx: AsyncApp,
4427    ) -> Result<()> {
4428        this.update(&mut cx, |this, cx| {
4429            if this.is_local() || this.is_via_ssh() {
4430                this.unshare(cx)?;
4431            } else {
4432                this.disconnected_from_host(cx);
4433            }
4434            Ok(())
4435        })?
4436    }
4437
4438    async fn handle_add_collaborator(
4439        this: Entity<Self>,
4440        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4441        mut cx: AsyncApp,
4442    ) -> Result<()> {
4443        let collaborator = envelope
4444            .payload
4445            .collaborator
4446            .take()
4447            .context("empty collaborator")?;
4448
4449        let collaborator = Collaborator::from_proto(collaborator)?;
4450        this.update(&mut cx, |this, cx| {
4451            this.buffer_store.update(cx, |buffer_store, _| {
4452                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4453            });
4454            this.breakpoint_store.read(cx).broadcast();
4455            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4456            this.collaborators
4457                .insert(collaborator.peer_id, collaborator);
4458        })?;
4459
4460        Ok(())
4461    }
4462
4463    async fn handle_update_project_collaborator(
4464        this: Entity<Self>,
4465        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4466        mut cx: AsyncApp,
4467    ) -> Result<()> {
4468        let old_peer_id = envelope
4469            .payload
4470            .old_peer_id
4471            .context("missing old peer id")?;
4472        let new_peer_id = envelope
4473            .payload
4474            .new_peer_id
4475            .context("missing new peer id")?;
4476        this.update(&mut cx, |this, cx| {
4477            let collaborator = this
4478                .collaborators
4479                .remove(&old_peer_id)
4480                .context("received UpdateProjectCollaborator for unknown peer")?;
4481            let is_host = collaborator.is_host;
4482            this.collaborators.insert(new_peer_id, collaborator);
4483
4484            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4485            this.buffer_store.update(cx, |buffer_store, _| {
4486                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4487            });
4488
4489            if is_host {
4490                this.buffer_store
4491                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4492                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4493                    .unwrap();
4494                cx.emit(Event::HostReshared);
4495            }
4496
4497            cx.emit(Event::CollaboratorUpdated {
4498                old_peer_id,
4499                new_peer_id,
4500            });
4501            Ok(())
4502        })?
4503    }
4504
4505    async fn handle_remove_collaborator(
4506        this: Entity<Self>,
4507        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4508        mut cx: AsyncApp,
4509    ) -> Result<()> {
4510        this.update(&mut cx, |this, cx| {
4511            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4512            let replica_id = this
4513                .collaborators
4514                .remove(&peer_id)
4515                .with_context(|| format!("unknown peer {peer_id:?}"))?
4516                .replica_id;
4517            this.buffer_store.update(cx, |buffer_store, cx| {
4518                buffer_store.forget_shared_buffers_for(&peer_id);
4519                for buffer in buffer_store.buffers() {
4520                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4521                }
4522            });
4523            this.git_store.update(cx, |git_store, _| {
4524                git_store.forget_shared_diffs_for(&peer_id);
4525            });
4526
4527            cx.emit(Event::CollaboratorLeft(peer_id));
4528            Ok(())
4529        })?
4530    }
4531
4532    async fn handle_update_project(
4533        this: Entity<Self>,
4534        envelope: TypedEnvelope<proto::UpdateProject>,
4535        mut cx: AsyncApp,
4536    ) -> Result<()> {
4537        this.update(&mut cx, |this, cx| {
4538            // Don't handle messages that were sent before the response to us joining the project
4539            if envelope.message_id > this.join_project_response_message_id {
4540                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4541            }
4542            Ok(())
4543        })?
4544    }
4545
4546    async fn handle_toast(
4547        this: Entity<Self>,
4548        envelope: TypedEnvelope<proto::Toast>,
4549        mut cx: AsyncApp,
4550    ) -> Result<()> {
4551        this.update(&mut cx, |_, cx| {
4552            cx.emit(Event::Toast {
4553                notification_id: envelope.payload.notification_id.into(),
4554                message: envelope.payload.message,
4555            });
4556            Ok(())
4557        })?
4558    }
4559
4560    async fn handle_language_server_prompt_request(
4561        this: Entity<Self>,
4562        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4563        mut cx: AsyncApp,
4564    ) -> Result<proto::LanguageServerPromptResponse> {
4565        let (tx, rx) = smol::channel::bounded(1);
4566        let actions: Vec<_> = envelope
4567            .payload
4568            .actions
4569            .into_iter()
4570            .map(|action| MessageActionItem {
4571                title: action,
4572                properties: Default::default(),
4573            })
4574            .collect();
4575        this.update(&mut cx, |_, cx| {
4576            cx.emit(Event::LanguageServerPrompt(LanguageServerPromptRequest {
4577                level: proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4578                message: envelope.payload.message,
4579                actions: actions.clone(),
4580                lsp_name: envelope.payload.lsp_name,
4581                response_channel: tx,
4582            }));
4583
4584            anyhow::Ok(())
4585        })??;
4586
4587        // We drop `this` to avoid holding a reference in this future for too
4588        // long.
4589        // If we keep the reference, we might not drop the `Project` early
4590        // enough when closing a window and it will only get releases on the
4591        // next `flush_effects()` call.
4592        drop(this);
4593
4594        let mut rx = pin!(rx);
4595        let answer = rx.next().await;
4596
4597        Ok(LanguageServerPromptResponse {
4598            action_response: answer.and_then(|answer| {
4599                actions
4600                    .iter()
4601                    .position(|action| *action == answer)
4602                    .map(|index| index as u64)
4603            }),
4604        })
4605    }
4606
4607    async fn handle_hide_toast(
4608        this: Entity<Self>,
4609        envelope: TypedEnvelope<proto::HideToast>,
4610        mut cx: AsyncApp,
4611    ) -> Result<()> {
4612        this.update(&mut cx, |_, cx| {
4613            cx.emit(Event::HideToast {
4614                notification_id: envelope.payload.notification_id.into(),
4615            });
4616            Ok(())
4617        })?
4618    }
4619
4620    // Collab sends UpdateWorktree protos as messages
4621    async fn handle_update_worktree(
4622        this: Entity<Self>,
4623        envelope: TypedEnvelope<proto::UpdateWorktree>,
4624        mut cx: AsyncApp,
4625    ) -> Result<()> {
4626        this.update(&mut cx, |this, cx| {
4627            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4628            if let Some(worktree) = this.worktree_for_id(worktree_id, cx) {
4629                worktree.update(cx, |worktree, _| {
4630                    let worktree = worktree.as_remote_mut().unwrap();
4631                    worktree.update_from_remote(envelope.payload);
4632                });
4633            }
4634            Ok(())
4635        })?
4636    }
4637
4638    async fn handle_update_buffer_from_ssh(
4639        this: Entity<Self>,
4640        envelope: TypedEnvelope<proto::UpdateBuffer>,
4641        cx: AsyncApp,
4642    ) -> Result<proto::Ack> {
4643        let buffer_store = this.read_with(&cx, |this, cx| {
4644            if let Some(remote_id) = this.remote_id() {
4645                let mut payload = envelope.payload.clone();
4646                payload.project_id = remote_id;
4647                cx.background_spawn(this.client.request(payload))
4648                    .detach_and_log_err(cx);
4649            }
4650            this.buffer_store.clone()
4651        })?;
4652        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4653    }
4654
4655    async fn handle_update_buffer(
4656        this: Entity<Self>,
4657        envelope: TypedEnvelope<proto::UpdateBuffer>,
4658        cx: AsyncApp,
4659    ) -> Result<proto::Ack> {
4660        let buffer_store = this.read_with(&cx, |this, cx| {
4661            if let Some(ssh) = &this.ssh_client {
4662                let mut payload = envelope.payload.clone();
4663                payload.project_id = SSH_PROJECT_ID;
4664                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
4665                    .detach_and_log_err(cx);
4666            }
4667            this.buffer_store.clone()
4668        })?;
4669        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
4670    }
4671
4672    fn retain_remotely_created_models(
4673        &mut self,
4674        cx: &mut Context<Self>,
4675    ) -> RemotelyCreatedModelGuard {
4676        {
4677            let mut remotely_create_models = self.remotely_created_models.lock();
4678            if remotely_create_models.retain_count == 0 {
4679                remotely_create_models.buffers = self.buffer_store.read(cx).buffers().collect();
4680                remotely_create_models.worktrees =
4681                    self.worktree_store.read(cx).worktrees().collect();
4682            }
4683            remotely_create_models.retain_count += 1;
4684        }
4685        RemotelyCreatedModelGuard {
4686            remote_models: Arc::downgrade(&self.remotely_created_models),
4687        }
4688    }
4689
4690    async fn handle_create_buffer_for_peer(
4691        this: Entity<Self>,
4692        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
4693        mut cx: AsyncApp,
4694    ) -> Result<()> {
4695        this.update(&mut cx, |this, cx| {
4696            this.buffer_store.update(cx, |buffer_store, cx| {
4697                buffer_store.handle_create_buffer_for_peer(
4698                    envelope,
4699                    this.replica_id(),
4700                    this.capability(),
4701                    cx,
4702                )
4703            })
4704        })?
4705    }
4706
4707    async fn handle_synchronize_buffers(
4708        this: Entity<Self>,
4709        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
4710        mut cx: AsyncApp,
4711    ) -> Result<proto::SynchronizeBuffersResponse> {
4712        let response = this.update(&mut cx, |this, cx| {
4713            let client = this.client.clone();
4714            this.buffer_store.update(cx, |this, cx| {
4715                this.handle_synchronize_buffers(envelope, cx, client)
4716            })
4717        })??;
4718
4719        Ok(response)
4720    }
4721
4722    async fn handle_search_candidate_buffers(
4723        this: Entity<Self>,
4724        envelope: TypedEnvelope<proto::FindSearchCandidates>,
4725        mut cx: AsyncApp,
4726    ) -> Result<proto::FindSearchCandidatesResponse> {
4727        let peer_id = envelope.original_sender_id()?;
4728        let message = envelope.payload;
4729        let query = SearchQuery::from_proto(message.query.context("missing query field")?)?;
4730        let results = this.update(&mut cx, |this, cx| {
4731            this.find_search_candidate_buffers(&query, message.limit as _, cx)
4732        })?;
4733
4734        let mut response = proto::FindSearchCandidatesResponse {
4735            buffer_ids: Vec::new(),
4736        };
4737
4738        while let Ok(buffer) = results.recv().await {
4739            this.update(&mut cx, |this, cx| {
4740                let buffer_id = this.create_buffer_for_peer(&buffer, peer_id, cx);
4741                response.buffer_ids.push(buffer_id.to_proto());
4742            })?;
4743        }
4744
4745        Ok(response)
4746    }
4747
4748    async fn handle_open_buffer_by_id(
4749        this: Entity<Self>,
4750        envelope: TypedEnvelope<proto::OpenBufferById>,
4751        mut cx: AsyncApp,
4752    ) -> Result<proto::OpenBufferResponse> {
4753        let peer_id = envelope.original_sender_id()?;
4754        let buffer_id = BufferId::new(envelope.payload.id)?;
4755        let buffer = this
4756            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))?
4757            .await?;
4758        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4759    }
4760
4761    async fn handle_open_buffer_by_path(
4762        this: Entity<Self>,
4763        envelope: TypedEnvelope<proto::OpenBufferByPath>,
4764        mut cx: AsyncApp,
4765    ) -> Result<proto::OpenBufferResponse> {
4766        let peer_id = envelope.original_sender_id()?;
4767        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4768        let open_buffer = this.update(&mut cx, |this, cx| {
4769            this.open_buffer(
4770                ProjectPath {
4771                    worktree_id,
4772                    path: Arc::<Path>::from_proto(envelope.payload.path),
4773                },
4774                cx,
4775            )
4776        })?;
4777
4778        let buffer = open_buffer.await?;
4779        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4780    }
4781
4782    async fn handle_open_new_buffer(
4783        this: Entity<Self>,
4784        envelope: TypedEnvelope<proto::OpenNewBuffer>,
4785        mut cx: AsyncApp,
4786    ) -> Result<proto::OpenBufferResponse> {
4787        let buffer = this
4788            .update(&mut cx, |this, cx| this.create_buffer(cx))?
4789            .await?;
4790        let peer_id = envelope.original_sender_id()?;
4791
4792        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
4793    }
4794
4795    fn respond_to_open_buffer_request(
4796        this: Entity<Self>,
4797        buffer: Entity<Buffer>,
4798        peer_id: proto::PeerId,
4799        cx: &mut AsyncApp,
4800    ) -> Result<proto::OpenBufferResponse> {
4801        this.update(cx, |this, cx| {
4802            let is_private = buffer
4803                .read(cx)
4804                .file()
4805                .map(|f| f.is_private())
4806                .unwrap_or_default();
4807            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
4808            Ok(proto::OpenBufferResponse {
4809                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
4810            })
4811        })?
4812    }
4813
4814    fn create_buffer_for_peer(
4815        &mut self,
4816        buffer: &Entity<Buffer>,
4817        peer_id: proto::PeerId,
4818        cx: &mut App,
4819    ) -> BufferId {
4820        self.buffer_store
4821            .update(cx, |buffer_store, cx| {
4822                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
4823            })
4824            .detach_and_log_err(cx);
4825        buffer.read(cx).remote_id()
4826    }
4827
4828    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
4829        let project_id = match self.client_state {
4830            ProjectClientState::Remote {
4831                sharing_has_stopped,
4832                remote_id,
4833                ..
4834            } => {
4835                if sharing_has_stopped {
4836                    return Task::ready(Err(anyhow!(
4837                        "can't synchronize remote buffers on a readonly project"
4838                    )));
4839                } else {
4840                    remote_id
4841                }
4842            }
4843            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
4844                return Task::ready(Err(anyhow!(
4845                    "can't synchronize remote buffers on a local project"
4846                )));
4847            }
4848        };
4849
4850        let client = self.client.clone();
4851        cx.spawn(async move |this, cx| {
4852            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
4853                this.buffer_store.read(cx).buffer_version_info(cx)
4854            })?;
4855            let response = client
4856                .request(proto::SynchronizeBuffers {
4857                    project_id,
4858                    buffers,
4859                })
4860                .await?;
4861
4862            let send_updates_for_buffers = this.update(cx, |this, cx| {
4863                response
4864                    .buffers
4865                    .into_iter()
4866                    .map(|buffer| {
4867                        let client = client.clone();
4868                        let buffer_id = match BufferId::new(buffer.id) {
4869                            Ok(id) => id,
4870                            Err(e) => {
4871                                return Task::ready(Err(e));
4872                            }
4873                        };
4874                        let remote_version = language::proto::deserialize_version(&buffer.version);
4875                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
4876                            let operations =
4877                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
4878                            cx.background_spawn(async move {
4879                                let operations = operations.await;
4880                                for chunk in split_operations(operations) {
4881                                    client
4882                                        .request(proto::UpdateBuffer {
4883                                            project_id,
4884                                            buffer_id: buffer_id.into(),
4885                                            operations: chunk,
4886                                        })
4887                                        .await?;
4888                                }
4889                                anyhow::Ok(())
4890                            })
4891                        } else {
4892                            Task::ready(Ok(()))
4893                        }
4894                    })
4895                    .collect::<Vec<_>>()
4896            })?;
4897
4898            // Any incomplete buffers have open requests waiting. Request that the host sends
4899            // creates these buffers for us again to unblock any waiting futures.
4900            for id in incomplete_buffer_ids {
4901                cx.background_spawn(client.request(proto::OpenBufferById {
4902                    project_id,
4903                    id: id.into(),
4904                }))
4905                .detach();
4906            }
4907
4908            futures::future::join_all(send_updates_for_buffers)
4909                .await
4910                .into_iter()
4911                .collect()
4912        })
4913    }
4914
4915    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
4916        self.worktree_store.read(cx).worktree_metadata_protos(cx)
4917    }
4918
4919    /// Iterator of all open buffers that have unsaved changes
4920    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
4921        self.buffer_store.read(cx).buffers().filter_map(|buf| {
4922            let buf = buf.read(cx);
4923            if buf.is_dirty() {
4924                buf.project_path(cx)
4925            } else {
4926                None
4927            }
4928        })
4929    }
4930
4931    fn set_worktrees_from_proto(
4932        &mut self,
4933        worktrees: Vec<proto::WorktreeMetadata>,
4934        cx: &mut Context<Project>,
4935    ) -> Result<()> {
4936        self.worktree_store.update(cx, |worktree_store, cx| {
4937            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
4938        })
4939    }
4940
4941    fn set_collaborators_from_proto(
4942        &mut self,
4943        messages: Vec<proto::Collaborator>,
4944        cx: &mut Context<Self>,
4945    ) -> Result<()> {
4946        let mut collaborators = HashMap::default();
4947        for message in messages {
4948            let collaborator = Collaborator::from_proto(message)?;
4949            collaborators.insert(collaborator.peer_id, collaborator);
4950        }
4951        for old_peer_id in self.collaborators.keys() {
4952            if !collaborators.contains_key(old_peer_id) {
4953                cx.emit(Event::CollaboratorLeft(*old_peer_id));
4954            }
4955        }
4956        self.collaborators = collaborators;
4957        Ok(())
4958    }
4959
4960    pub fn supplementary_language_servers<'a>(
4961        &'a self,
4962        cx: &'a App,
4963    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
4964        self.lsp_store.read(cx).supplementary_language_servers()
4965    }
4966
4967    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
4968        let Some(language) = buffer.language().cloned() else {
4969            return false;
4970        };
4971        self.lsp_store.update(cx, |lsp_store, _| {
4972            let relevant_language_servers = lsp_store
4973                .languages
4974                .lsp_adapters(&language.name())
4975                .into_iter()
4976                .map(|lsp_adapter| lsp_adapter.name())
4977                .collect::<HashSet<_>>();
4978            lsp_store
4979                .language_server_statuses()
4980                .filter_map(|(server_id, server_status)| {
4981                    relevant_language_servers
4982                        .contains(&server_status.name)
4983                        .then_some(server_id)
4984                })
4985                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
4986                .any(InlayHints::check_capabilities)
4987        })
4988    }
4989
4990    pub fn language_server_id_for_name(
4991        &self,
4992        buffer: &Buffer,
4993        name: &LanguageServerName,
4994        cx: &App,
4995    ) -> Option<LanguageServerId> {
4996        let language = buffer.language()?;
4997        let relevant_language_servers = self
4998            .languages
4999            .lsp_adapters(&language.name())
5000            .into_iter()
5001            .map(|lsp_adapter| lsp_adapter.name())
5002            .collect::<HashSet<_>>();
5003        if !relevant_language_servers.contains(name) {
5004            return None;
5005        }
5006        self.language_server_statuses(cx)
5007            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5008            .find_map(|(server_id, server_status)| {
5009                if &server_status.name == name {
5010                    Some(server_id)
5011                } else {
5012                    None
5013                }
5014            })
5015    }
5016
5017    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5018        self.lsp_store.update(cx, |this, cx| {
5019            this.language_servers_for_local_buffer(buffer, cx)
5020                .next()
5021                .is_some()
5022        })
5023    }
5024
5025    pub fn git_init(
5026        &self,
5027        path: Arc<Path>,
5028        fallback_branch_name: String,
5029        cx: &App,
5030    ) -> Task<Result<()>> {
5031        self.git_store
5032            .read(cx)
5033            .git_init(path, fallback_branch_name, cx)
5034    }
5035
5036    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5037        &self.buffer_store
5038    }
5039
5040    pub fn git_store(&self) -> &Entity<GitStore> {
5041        &self.git_store
5042    }
5043
5044    #[cfg(test)]
5045    fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
5046        cx.spawn(async move |this, cx| {
5047            let scans_complete = this
5048                .read_with(cx, |this, cx| {
5049                    this.worktrees(cx)
5050                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
5051                        .collect::<Vec<_>>()
5052                })
5053                .unwrap();
5054            join_all(scans_complete).await;
5055            let barriers = this
5056                .update(cx, |this, cx| {
5057                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
5058                    repos
5059                        .into_iter()
5060                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
5061                        .collect::<Vec<_>>()
5062                })
5063                .unwrap();
5064            join_all(barriers).await;
5065        })
5066    }
5067
5068    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
5069        self.git_store.read(cx).active_repository()
5070    }
5071
5072    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
5073        self.git_store.read(cx).repositories()
5074    }
5075
5076    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
5077        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
5078    }
5079
5080    pub fn set_agent_location(
5081        &mut self,
5082        new_location: Option<AgentLocation>,
5083        cx: &mut Context<Self>,
5084    ) {
5085        if let Some(old_location) = self.agent_location.as_ref() {
5086            old_location
5087                .buffer
5088                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
5089                .ok();
5090        }
5091
5092        if let Some(location) = new_location.as_ref() {
5093            location
5094                .buffer
5095                .update(cx, |buffer, cx| {
5096                    buffer.set_agent_selections(
5097                        Arc::from([language::Selection {
5098                            id: 0,
5099                            start: location.position,
5100                            end: location.position,
5101                            reversed: false,
5102                            goal: language::SelectionGoal::None,
5103                        }]),
5104                        false,
5105                        CursorShape::Hollow,
5106                        cx,
5107                    )
5108                })
5109                .ok();
5110        }
5111
5112        self.agent_location = new_location;
5113        cx.emit(Event::AgentLocationChanged);
5114    }
5115
5116    pub fn agent_location(&self) -> Option<AgentLocation> {
5117        self.agent_location.clone()
5118    }
5119
5120    pub fn mark_buffer_as_non_searchable(&self, buffer_id: BufferId, cx: &mut Context<Project>) {
5121        self.buffer_store.update(cx, |buffer_store, _| {
5122            buffer_store.mark_buffer_as_non_searchable(buffer_id)
5123        });
5124    }
5125}
5126
5127pub struct PathMatchCandidateSet {
5128    pub snapshot: Snapshot,
5129    pub include_ignored: bool,
5130    pub include_root_name: bool,
5131    pub candidates: Candidates,
5132}
5133
5134pub enum Candidates {
5135    /// Only consider directories.
5136    Directories,
5137    /// Only consider files.
5138    Files,
5139    /// Consider directories and files.
5140    Entries,
5141}
5142
5143impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
5144    type Candidates = PathMatchCandidateSetIter<'a>;
5145
5146    fn id(&self) -> usize {
5147        self.snapshot.id().to_usize()
5148    }
5149
5150    fn len(&self) -> usize {
5151        match self.candidates {
5152            Candidates::Files => {
5153                if self.include_ignored {
5154                    self.snapshot.file_count()
5155                } else {
5156                    self.snapshot.visible_file_count()
5157                }
5158            }
5159
5160            Candidates::Directories => {
5161                if self.include_ignored {
5162                    self.snapshot.dir_count()
5163                } else {
5164                    self.snapshot.visible_dir_count()
5165                }
5166            }
5167
5168            Candidates::Entries => {
5169                if self.include_ignored {
5170                    self.snapshot.entry_count()
5171                } else {
5172                    self.snapshot.visible_entry_count()
5173                }
5174            }
5175        }
5176    }
5177
5178    fn prefix(&self) -> Arc<str> {
5179        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) {
5180            self.snapshot.root_name().into()
5181        } else if self.include_root_name {
5182            format!("{}{}", self.snapshot.root_name(), std::path::MAIN_SEPARATOR).into()
5183        } else {
5184            Arc::default()
5185        }
5186    }
5187
5188    fn candidates(&'a self, start: usize) -> Self::Candidates {
5189        PathMatchCandidateSetIter {
5190            traversal: match self.candidates {
5191                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5192                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5193                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5194            },
5195        }
5196    }
5197}
5198
5199pub struct PathMatchCandidateSetIter<'a> {
5200    traversal: Traversal<'a>,
5201}
5202
5203impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5204    type Item = fuzzy::PathMatchCandidate<'a>;
5205
5206    fn next(&mut self) -> Option<Self::Item> {
5207        self.traversal
5208            .next()
5209            .map(|entry| fuzzy::PathMatchCandidate {
5210                is_dir: entry.kind.is_dir(),
5211                path: &entry.path,
5212                char_bag: entry.char_bag,
5213            })
5214    }
5215}
5216
5217impl EventEmitter<Event> for Project {}
5218
5219impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5220    fn from(val: &'a ProjectPath) -> Self {
5221        SettingsLocation {
5222            worktree_id: val.worktree_id,
5223            path: val.path.as_ref(),
5224        }
5225    }
5226}
5227
5228impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
5229    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5230        Self {
5231            worktree_id,
5232            path: path.as_ref().into(),
5233        }
5234    }
5235}
5236
5237pub fn relativize_path(base: &Path, path: &Path) -> PathBuf {
5238    let mut path_components = path.components();
5239    let mut base_components = base.components();
5240    let mut components: Vec<Component> = Vec::new();
5241    loop {
5242        match (path_components.next(), base_components.next()) {
5243            (None, None) => break,
5244            (Some(a), None) => {
5245                components.push(a);
5246                components.extend(path_components.by_ref());
5247                break;
5248            }
5249            (None, _) => components.push(Component::ParentDir),
5250            (Some(a), Some(b)) if components.is_empty() && a == b => (),
5251            (Some(a), Some(Component::CurDir)) => components.push(a),
5252            (Some(a), Some(_)) => {
5253                components.push(Component::ParentDir);
5254                for _ in base_components {
5255                    components.push(Component::ParentDir);
5256                }
5257                components.push(a);
5258                components.extend(path_components.by_ref());
5259                break;
5260            }
5261        }
5262    }
5263    components.iter().map(|c| c.as_os_str()).collect()
5264}
5265
5266fn resolve_path(base: &Path, path: &Path) -> PathBuf {
5267    let mut result = base.to_path_buf();
5268    for component in path.components() {
5269        match component {
5270            Component::ParentDir => {
5271                result.pop();
5272            }
5273            Component::CurDir => (),
5274            _ => result.push(component),
5275        }
5276    }
5277    result
5278}
5279
5280/// ResolvedPath is a path that has been resolved to either a ProjectPath
5281/// or an AbsPath and that *exists*.
5282#[derive(Debug, Clone)]
5283pub enum ResolvedPath {
5284    ProjectPath {
5285        project_path: ProjectPath,
5286        is_dir: bool,
5287    },
5288    AbsPath {
5289        path: PathBuf,
5290        is_dir: bool,
5291    },
5292}
5293
5294impl ResolvedPath {
5295    pub fn abs_path(&self) -> Option<&Path> {
5296        match self {
5297            Self::AbsPath { path, .. } => Some(path.as_path()),
5298            _ => None,
5299        }
5300    }
5301
5302    pub fn into_abs_path(self) -> Option<PathBuf> {
5303        match self {
5304            Self::AbsPath { path, .. } => Some(path),
5305            _ => None,
5306        }
5307    }
5308
5309    pub fn project_path(&self) -> Option<&ProjectPath> {
5310        match self {
5311            Self::ProjectPath { project_path, .. } => Some(project_path),
5312            _ => None,
5313        }
5314    }
5315
5316    pub fn is_file(&self) -> bool {
5317        !self.is_dir()
5318    }
5319
5320    pub fn is_dir(&self) -> bool {
5321        match self {
5322            Self::ProjectPath { is_dir, .. } => *is_dir,
5323            Self::AbsPath { is_dir, .. } => *is_dir,
5324        }
5325    }
5326}
5327
5328impl ProjectItem for Buffer {
5329    fn try_open(
5330        project: &Entity<Project>,
5331        path: &ProjectPath,
5332        cx: &mut App,
5333    ) -> Option<Task<Result<Entity<Self>>>> {
5334        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5335    }
5336
5337    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId> {
5338        File::from_dyn(self.file()).and_then(|file| file.project_entry_id(cx))
5339    }
5340
5341    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5342        self.file().map(|file| ProjectPath {
5343            worktree_id: file.worktree_id(cx),
5344            path: file.path().clone(),
5345        })
5346    }
5347
5348    fn is_dirty(&self) -> bool {
5349        self.is_dirty()
5350    }
5351}
5352
5353impl Completion {
5354    pub fn kind(&self) -> Option<CompletionItemKind> {
5355        self.source
5356            // `lsp::CompletionListItemDefaults` has no `kind` field
5357            .lsp_completion(false)
5358            .and_then(|lsp_completion| lsp_completion.kind)
5359    }
5360
5361    pub fn label(&self) -> Option<String> {
5362        self.source
5363            .lsp_completion(false)
5364            .map(|lsp_completion| lsp_completion.label.clone())
5365    }
5366
5367    /// A key that can be used to sort completions when displaying
5368    /// them to the user.
5369    pub fn sort_key(&self) -> (usize, &str) {
5370        const DEFAULT_KIND_KEY: usize = 4;
5371        let kind_key = self
5372            .kind()
5373            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5374                lsp::CompletionItemKind::KEYWORD => Some(0),
5375                lsp::CompletionItemKind::VARIABLE => Some(1),
5376                lsp::CompletionItemKind::CONSTANT => Some(2),
5377                lsp::CompletionItemKind::PROPERTY => Some(3),
5378                _ => None,
5379            })
5380            .unwrap_or(DEFAULT_KIND_KEY);
5381        (kind_key, self.label.filter_text())
5382    }
5383
5384    /// Whether this completion is a snippet.
5385    pub fn is_snippet(&self) -> bool {
5386        self.source
5387            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5388            .lsp_completion(true)
5389            .is_some_and(|lsp_completion| {
5390                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5391            })
5392    }
5393
5394    /// Returns the corresponding color for this completion.
5395    ///
5396    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5397    pub fn color(&self) -> Option<Hsla> {
5398        // `lsp::CompletionListItemDefaults` has no `kind` field
5399        let lsp_completion = self.source.lsp_completion(false)?;
5400        if lsp_completion.kind? == CompletionItemKind::COLOR {
5401            return color_extractor::extract_color(&lsp_completion);
5402        }
5403        None
5404    }
5405}
5406
5407pub fn sort_worktree_entries(entries: &mut [impl AsRef<Entry>]) {
5408    entries.sort_by(|entry_a, entry_b| {
5409        let entry_a = entry_a.as_ref();
5410        let entry_b = entry_b.as_ref();
5411        compare_paths(
5412            (&entry_a.path, entry_a.is_file()),
5413            (&entry_b.path, entry_b.is_file()),
5414        )
5415    });
5416}
5417
5418fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5419    match level {
5420        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5421        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5422        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5423    }
5424}
5425
5426fn provide_inline_values(
5427    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
5428    snapshot: &language::BufferSnapshot,
5429    max_row: usize,
5430) -> Vec<InlineValueLocation> {
5431    let mut variables = Vec::new();
5432    let mut variable_position = HashSet::default();
5433    let mut scopes = Vec::new();
5434
5435    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
5436
5437    for (capture_range, capture_kind) in captures {
5438        match capture_kind {
5439            language::DebuggerTextObject::Variable => {
5440                let variable_name = snapshot
5441                    .text_for_range(capture_range.clone())
5442                    .collect::<String>();
5443                let point = snapshot.offset_to_point(capture_range.end);
5444
5445                while scopes
5446                    .last()
5447                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
5448                {
5449                    scopes.pop();
5450                }
5451
5452                if point.row as usize > max_row {
5453                    break;
5454                }
5455
5456                let scope = if scopes
5457                    .last()
5458                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
5459                {
5460                    VariableScope::Global
5461                } else {
5462                    VariableScope::Local
5463                };
5464
5465                if variable_position.insert(capture_range.end) {
5466                    variables.push(InlineValueLocation {
5467                        variable_name,
5468                        scope,
5469                        lookup: VariableLookupKind::Variable,
5470                        row: point.row as usize,
5471                        column: point.column as usize,
5472                    });
5473                }
5474            }
5475            language::DebuggerTextObject::Scope => {
5476                while scopes.last().map_or_else(
5477                    || false,
5478                    |scope: &Range<usize>| {
5479                        !(scope.contains(&capture_range.start)
5480                            && scope.contains(&capture_range.end))
5481                    },
5482                ) {
5483                    scopes.pop();
5484                }
5485                scopes.push(capture_range);
5486            }
5487        }
5488    }
5489
5490    variables
5491}
5492
5493#[cfg(test)]
5494mod disable_ai_settings_tests {
5495    use super::*;
5496    use gpui::TestAppContext;
5497    use settings::{Settings, SettingsSources};
5498
5499    #[gpui::test]
5500    async fn test_disable_ai_settings_security(cx: &mut TestAppContext) {
5501        cx.update(|cx| {
5502            // Test 1: Default is false (AI enabled)
5503            let sources = SettingsSources {
5504                default: &Some(false),
5505                global: None,
5506                extensions: None,
5507                user: None,
5508                release_channel: None,
5509                operating_system: None,
5510                profile: None,
5511                server: None,
5512                project: &[],
5513            };
5514            let settings = DisableAiSettings::load(sources, cx).unwrap();
5515            assert_eq!(settings.disable_ai, false, "Default should allow AI");
5516
5517            // Test 2: Global true, local false -> still disabled (local cannot re-enable)
5518            let global_true = Some(true);
5519            let local_false = Some(false);
5520            let sources = SettingsSources {
5521                default: &Some(false),
5522                global: None,
5523                extensions: None,
5524                user: Some(&global_true),
5525                release_channel: None,
5526                operating_system: None,
5527                profile: None,
5528                server: None,
5529                project: &[&local_false],
5530            };
5531            let settings = DisableAiSettings::load(sources, cx).unwrap();
5532            assert_eq!(
5533                settings.disable_ai, true,
5534                "Local false cannot override global true"
5535            );
5536
5537            // Test 3: Global false, local true -> disabled (local can make more restrictive)
5538            let global_false = Some(false);
5539            let local_true = Some(true);
5540            let sources = SettingsSources {
5541                default: &Some(false),
5542                global: None,
5543                extensions: None,
5544                user: Some(&global_false),
5545                release_channel: None,
5546                operating_system: None,
5547                profile: None,
5548                server: None,
5549                project: &[&local_true],
5550            };
5551            let settings = DisableAiSettings::load(sources, cx).unwrap();
5552            assert_eq!(
5553                settings.disable_ai, true,
5554                "Local true can override global false"
5555            );
5556
5557            // Test 4: Server can only make more restrictive (set to true)
5558            let user_false = Some(false);
5559            let server_true = Some(true);
5560            let sources = SettingsSources {
5561                default: &Some(false),
5562                global: None,
5563                extensions: None,
5564                user: Some(&user_false),
5565                release_channel: None,
5566                operating_system: None,
5567                profile: None,
5568                server: Some(&server_true),
5569                project: &[],
5570            };
5571            let settings = DisableAiSettings::load(sources, cx).unwrap();
5572            assert_eq!(
5573                settings.disable_ai, true,
5574                "Server can set to true even if user is false"
5575            );
5576
5577            // Test 5: Server false cannot override user true
5578            let user_true = Some(true);
5579            let server_false = Some(false);
5580            let sources = SettingsSources {
5581                default: &Some(false),
5582                global: None,
5583                extensions: None,
5584                user: Some(&user_true),
5585                release_channel: None,
5586                operating_system: None,
5587                profile: None,
5588                server: Some(&server_false),
5589                project: &[],
5590            };
5591            let settings = DisableAiSettings::load(sources, cx).unwrap();
5592            assert_eq!(
5593                settings.disable_ai, true,
5594                "Server false cannot override user true"
5595            );
5596
5597            // Test 6: Multiple local settings, any true disables AI
5598            let global_false = Some(false);
5599            let local_false3 = Some(false);
5600            let local_true2 = Some(true);
5601            let local_false4 = Some(false);
5602            let sources = SettingsSources {
5603                default: &Some(false),
5604                global: None,
5605                extensions: None,
5606                user: Some(&global_false),
5607                release_channel: None,
5608                operating_system: None,
5609                profile: None,
5610                server: None,
5611                project: &[&local_false3, &local_true2, &local_false4],
5612            };
5613            let settings = DisableAiSettings::load(sources, cx).unwrap();
5614            assert_eq!(
5615                settings.disable_ai, true,
5616                "Any local true should disable AI"
5617            );
5618
5619            // Test 7: All three sources can independently disable AI
5620            let user_false2 = Some(false);
5621            let server_false2 = Some(false);
5622            let local_true3 = Some(true);
5623            let sources = SettingsSources {
5624                default: &Some(false),
5625                global: None,
5626                extensions: None,
5627                user: Some(&user_false2),
5628                release_channel: None,
5629                operating_system: None,
5630                profile: None,
5631                server: Some(&server_false2),
5632                project: &[&local_true3],
5633            };
5634            let settings = DisableAiSettings::load(sources, cx).unwrap();
5635            assert_eq!(
5636                settings.disable_ai, true,
5637                "Local can disable even if user and server are false"
5638            );
5639        });
5640    }
5641}