project.rs

   1pub mod agent_registry_store;
   2pub mod agent_server_store;
   3pub mod buffer_store;
   4pub mod color_extractor;
   5pub mod connection_manager;
   6pub mod context_server_store;
   7pub mod debounced_delay;
   8pub mod debugger;
   9pub mod git_store;
  10pub mod image_store;
  11pub mod lsp_command;
  12pub mod lsp_store;
  13pub mod manifest_tree;
  14pub mod prettier_store;
  15pub mod project_search;
  16pub mod project_settings;
  17pub mod search;
  18pub mod task_inventory;
  19pub mod task_store;
  20pub mod telemetry_snapshot;
  21pub mod terminals;
  22pub mod toolchain_store;
  23pub mod trusted_worktrees;
  24pub mod worktree_store;
  25
  26mod environment;
  27use buffer_diff::BufferDiff;
  28use context_server_store::ContextServerStore;
  29pub use environment::ProjectEnvironmentEvent;
  30use git::repository::get_git_committer;
  31use git_store::{Repository, RepositoryId};
  32pub mod search_history;
  33pub mod yarn;
  34
  35use dap::inline_value::{InlineValueLocation, VariableLookupKind, VariableScope};
  36use itertools::Either;
  37
  38use crate::{
  39    git_store::GitStore,
  40    lsp_store::{SymbolLocation, log_store::LogKind},
  41    project_search::SearchResultsHandle,
  42    trusted_worktrees::{PathTrust, RemoteHostLocation, TrustedWorktrees},
  43    worktree_store::WorktreeIdCounter,
  44};
  45pub use agent_registry_store::{AgentRegistryStore, RegistryAgent};
  46pub use agent_server_store::{
  47    AgentServerStore, AgentServersUpdated, ExternalAgentServerName, ExternalAgentSource,
  48};
  49pub use git_store::{
  50    ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate,
  51    git_traversal::{ChildEntriesGitIter, GitEntry, GitEntryRef, GitTraversal},
  52};
  53pub use manifest_tree::ManifestTree;
  54pub use project_search::{Search, SearchResults};
  55
  56use anyhow::{Context as _, Result, anyhow};
  57use buffer_store::{BufferStore, BufferStoreEvent};
  58use client::{
  59    Client, Collaborator, PendingEntitySubscription, ProjectId, TypedEnvelope, UserStore, proto,
  60};
  61use clock::ReplicaId;
  62
  63use dap::client::DebugAdapterClient;
  64
  65use collections::{BTreeSet, HashMap, HashSet, IndexSet};
  66use debounced_delay::DebouncedDelay;
  67pub use debugger::breakpoint_store::BreakpointWithPosition;
  68use debugger::{
  69    breakpoint_store::{ActiveStackFrame, BreakpointStore},
  70    dap_store::{DapStore, DapStoreEvent},
  71    session::Session,
  72};
  73
  74pub use environment::ProjectEnvironment;
  75
  76use futures::{
  77    StreamExt,
  78    channel::mpsc::{self, UnboundedReceiver},
  79    future::try_join_all,
  80};
  81pub use image_store::{ImageItem, ImageStore};
  82use image_store::{ImageItemEvent, ImageStoreEvent};
  83
  84use ::git::{blame::Blame, status::FileStatus};
  85use gpui::{
  86    App, AppContext, AsyncApp, BorrowAppContext, Context, Entity, EventEmitter, Hsla, SharedString,
  87    Task, WeakEntity, Window,
  88};
  89use language::{
  90    Buffer, BufferEvent, Capability, CodeLabel, CursorShape, DiskState, Language, LanguageName,
  91    LanguageRegistry, PointUtf16, ToOffset, ToPointUtf16, Toolchain, ToolchainMetadata,
  92    ToolchainScope, Transaction, Unclipped, language_settings::InlayHintKind,
  93    proto::split_operations,
  94};
  95use lsp::{
  96    CodeActionKind, CompletionContext, CompletionItemKind, DocumentHighlightKind, InsertTextMode,
  97    LanguageServerBinary, LanguageServerId, LanguageServerName, LanguageServerSelector,
  98    MessageActionItem,
  99};
 100use lsp_command::*;
 101use lsp_store::{CompletionDocumentation, LspFormatTarget, OpenLspBufferHandle};
 102pub use manifest_tree::ManifestProvidersStore;
 103use node_runtime::NodeRuntime;
 104use parking_lot::Mutex;
 105pub use prettier_store::PrettierStore;
 106use project_settings::{ProjectSettings, SettingsObserver, SettingsObserverEvent};
 107#[cfg(target_os = "windows")]
 108use remote::wsl_path_to_windows_path;
 109use remote::{RemoteClient, RemoteConnectionOptions};
 110use rpc::{
 111    AnyProtoClient, ErrorCode,
 112    proto::{LanguageServerPromptResponse, REMOTE_SERVER_PROJECT_ID},
 113};
 114use search::{SearchInputKind, SearchQuery, SearchResult};
 115use search_history::SearchHistory;
 116use settings::{InvalidSettingsError, RegisterSetting, Settings, SettingsLocation, SettingsStore};
 117use snippet::Snippet;
 118pub use snippet_provider;
 119use snippet_provider::SnippetProvider;
 120use std::{
 121    borrow::Cow,
 122    collections::BTreeMap,
 123    ffi::OsString,
 124    ops::{Not as _, Range},
 125    path::{Path, PathBuf},
 126    pin::pin,
 127    str::{self, FromStr},
 128    sync::Arc,
 129    time::Duration,
 130};
 131
 132use task_store::TaskStore;
 133use terminals::Terminals;
 134use text::{Anchor, BufferId, OffsetRangeExt, Point, Rope};
 135use toolchain_store::EmptyToolchainStore;
 136use util::{
 137    ResultExt as _, maybe,
 138    paths::{PathStyle, SanitizedPath, is_absolute},
 139    rel_path::RelPath,
 140};
 141use worktree::{CreatedEntry, Snapshot, Traversal};
 142pub use worktree::{
 143    Entry, EntryKind, FS_WATCH_LATENCY, File, LocalWorktree, PathChange, ProjectEntryId,
 144    UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree, WorktreeId, WorktreeSettings,
 145};
 146use worktree_store::{WorktreeStore, WorktreeStoreEvent};
 147
 148pub use fs::*;
 149pub use language::Location;
 150#[cfg(any(test, feature = "test-support"))]
 151pub use prettier::FORMAT_SUFFIX as TEST_PRETTIER_FORMAT_SUFFIX;
 152pub use task_inventory::{
 153    BasicContextProvider, ContextProviderWithTasks, DebugScenarioContext, Inventory, TaskContexts,
 154    TaskSourceKind,
 155};
 156
 157pub use buffer_store::ProjectTransaction;
 158pub use lsp_store::{
 159    DiagnosticSummary, InvalidationStrategy, LanguageServerLogType, LanguageServerProgress,
 160    LanguageServerPromptRequest, LanguageServerStatus, LanguageServerToQuery, LspStore,
 161    LspStoreEvent, ProgressToken, SERVER_PROGRESS_THROTTLE_TIMEOUT,
 162};
 163pub use toolchain_store::{ToolchainStore, Toolchains};
 164const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
 165
 166#[derive(Clone, Copy, Debug)]
 167pub struct LocalProjectFlags {
 168    pub init_worktree_trust: bool,
 169    pub watch_global_configs: bool,
 170}
 171
 172impl Default for LocalProjectFlags {
 173    fn default() -> Self {
 174        Self {
 175            init_worktree_trust: true,
 176            watch_global_configs: true,
 177        }
 178    }
 179}
 180
 181pub trait ProjectItem: 'static {
 182    fn try_open(
 183        project: &Entity<Project>,
 184        path: &ProjectPath,
 185        cx: &mut App,
 186    ) -> Option<Task<Result<Entity<Self>>>>
 187    where
 188        Self: Sized;
 189    fn entry_id(&self, cx: &App) -> Option<ProjectEntryId>;
 190    fn project_path(&self, cx: &App) -> Option<ProjectPath>;
 191    fn is_dirty(&self) -> bool;
 192}
 193
 194#[derive(Clone)]
 195pub enum OpenedBufferEvent {
 196    Disconnected,
 197    Ok(BufferId),
 198    Err(BufferId, Arc<anyhow::Error>),
 199}
 200
 201/// Semantics-aware entity that is relevant to one or more [`Worktree`] with the files.
 202/// `Project` is responsible for tasks, LSP and collab queries, synchronizing worktree states accordingly.
 203/// Maps [`Worktree`] entries with its own logic using [`ProjectEntryId`] and [`ProjectPath`] structs.
 204///
 205/// Can be either local (for the project opened on the same host) or remote.(for collab projects, browsed by multiple remote users).
 206pub struct Project {
 207    active_entry: Option<ProjectEntryId>,
 208    buffer_ordered_messages_tx: mpsc::UnboundedSender<BufferOrderedMessage>,
 209    languages: Arc<LanguageRegistry>,
 210    dap_store: Entity<DapStore>,
 211    agent_server_store: Entity<AgentServerStore>,
 212
 213    breakpoint_store: Entity<BreakpointStore>,
 214    collab_client: Arc<client::Client>,
 215    join_project_response_message_id: u32,
 216    task_store: Entity<TaskStore>,
 217    user_store: Entity<UserStore>,
 218    fs: Arc<dyn Fs>,
 219    remote_client: Option<Entity<RemoteClient>>,
 220    // todo lw explain the client_state x remote_client matrix, its super confusing
 221    client_state: ProjectClientState,
 222    git_store: Entity<GitStore>,
 223    collaborators: HashMap<proto::PeerId, Collaborator>,
 224    client_subscriptions: Vec<client::Subscription>,
 225    worktree_store: Entity<WorktreeStore>,
 226    buffer_store: Entity<BufferStore>,
 227    context_server_store: Entity<ContextServerStore>,
 228    image_store: Entity<ImageStore>,
 229    lsp_store: Entity<LspStore>,
 230    _subscriptions: Vec<gpui::Subscription>,
 231    buffers_needing_diff: HashSet<WeakEntity<Buffer>>,
 232    git_diff_debouncer: DebouncedDelay<Self>,
 233    remotely_created_models: Arc<Mutex<RemotelyCreatedModels>>,
 234    terminals: Terminals,
 235    node: Option<NodeRuntime>,
 236    search_history: SearchHistory,
 237    search_included_history: SearchHistory,
 238    search_excluded_history: SearchHistory,
 239    snippets: Entity<SnippetProvider>,
 240    environment: Entity<ProjectEnvironment>,
 241    settings_observer: Entity<SettingsObserver>,
 242    toolchain_store: Option<Entity<ToolchainStore>>,
 243    agent_location: Option<AgentLocation>,
 244}
 245
 246#[derive(Clone, Debug, PartialEq, Eq)]
 247pub struct AgentLocation {
 248    pub buffer: WeakEntity<Buffer>,
 249    pub position: Anchor,
 250}
 251
 252#[derive(Default)]
 253struct RemotelyCreatedModels {
 254    worktrees: Vec<Entity<Worktree>>,
 255    buffers: Vec<Entity<Buffer>>,
 256    retain_count: usize,
 257}
 258
 259struct RemotelyCreatedModelGuard {
 260    remote_models: std::sync::Weak<Mutex<RemotelyCreatedModels>>,
 261}
 262
 263impl Drop for RemotelyCreatedModelGuard {
 264    fn drop(&mut self) {
 265        if let Some(remote_models) = self.remote_models.upgrade() {
 266            let mut remote_models = remote_models.lock();
 267            assert!(
 268                remote_models.retain_count > 0,
 269                "RemotelyCreatedModelGuard dropped too many times"
 270            );
 271            remote_models.retain_count -= 1;
 272            if remote_models.retain_count == 0 {
 273                remote_models.buffers.clear();
 274                remote_models.worktrees.clear();
 275            }
 276        }
 277    }
 278}
 279/// Message ordered with respect to buffer operations
 280#[derive(Debug)]
 281enum BufferOrderedMessage {
 282    Operation {
 283        buffer_id: BufferId,
 284        operation: proto::Operation,
 285    },
 286    LanguageServerUpdate {
 287        language_server_id: LanguageServerId,
 288        message: proto::update_language_server::Variant,
 289        name: Option<LanguageServerName>,
 290    },
 291    Resync,
 292}
 293
 294#[derive(Debug)]
 295enum ProjectClientState {
 296    /// Single-player mode.
 297    Local,
 298    /// Multi-player mode but still a local project.
 299    Shared { remote_id: u64 },
 300    /// Multi-player mode but working on a remote project.
 301    Remote {
 302        sharing_has_stopped: bool,
 303        capability: Capability,
 304        remote_id: u64,
 305        replica_id: ReplicaId,
 306    },
 307}
 308
 309/// A link to display in a toast notification, useful to point to documentation.
 310#[derive(PartialEq, Debug, Clone)]
 311pub struct ToastLink {
 312    pub label: &'static str,
 313    pub url: &'static str,
 314}
 315
 316#[derive(Clone, Debug, PartialEq)]
 317pub enum Event {
 318    LanguageServerAdded(LanguageServerId, LanguageServerName, Option<WorktreeId>),
 319    LanguageServerRemoved(LanguageServerId),
 320    LanguageServerLog(LanguageServerId, LanguageServerLogType, String),
 321    // [`lsp::notification::DidOpenTextDocument`] was sent to this server using the buffer data.
 322    // Zed's buffer-related data is updated accordingly.
 323    LanguageServerBufferRegistered {
 324        server_id: LanguageServerId,
 325        buffer_id: BufferId,
 326        buffer_abs_path: PathBuf,
 327        name: Option<LanguageServerName>,
 328    },
 329    ToggleLspLogs {
 330        server_id: LanguageServerId,
 331        enabled: bool,
 332        toggled_log_kind: LogKind,
 333    },
 334    Toast {
 335        notification_id: SharedString,
 336        message: String,
 337        /// Optional link to display as a button in the toast.
 338        link: Option<ToastLink>,
 339    },
 340    HideToast {
 341        notification_id: SharedString,
 342    },
 343    LanguageServerPrompt(LanguageServerPromptRequest),
 344    LanguageNotFound(Entity<Buffer>),
 345    ActiveEntryChanged(Option<ProjectEntryId>),
 346    ActivateProjectPanel,
 347    WorktreeAdded(WorktreeId),
 348    WorktreeOrderChanged,
 349    WorktreeRemoved(WorktreeId),
 350    WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
 351    DiskBasedDiagnosticsStarted {
 352        language_server_id: LanguageServerId,
 353    },
 354    DiskBasedDiagnosticsFinished {
 355        language_server_id: LanguageServerId,
 356    },
 357    DiagnosticsUpdated {
 358        paths: Vec<ProjectPath>,
 359        language_server_id: LanguageServerId,
 360    },
 361    RemoteIdChanged(Option<u64>),
 362    DisconnectedFromHost,
 363    DisconnectedFromRemote {
 364        server_not_running: bool,
 365    },
 366    Closed,
 367    DeletedEntry(WorktreeId, ProjectEntryId),
 368    CollaboratorUpdated {
 369        old_peer_id: proto::PeerId,
 370        new_peer_id: proto::PeerId,
 371    },
 372    CollaboratorJoined(proto::PeerId),
 373    CollaboratorLeft(proto::PeerId),
 374    HostReshared,
 375    Reshared,
 376    Rejoined,
 377    RefreshInlayHints {
 378        server_id: LanguageServerId,
 379        request_id: Option<usize>,
 380    },
 381    RefreshCodeLens,
 382    RevealInProjectPanel(ProjectEntryId),
 383    SnippetEdit(BufferId, Vec<(lsp::Range, Snippet)>),
 384    ExpandedAllForEntry(WorktreeId, ProjectEntryId),
 385    EntryRenamed(ProjectTransaction, ProjectPath, PathBuf),
 386    WorkspaceEditApplied(ProjectTransaction),
 387    AgentLocationChanged,
 388    BufferEdited,
 389}
 390
 391pub struct AgentLocationChanged;
 392
 393pub enum DebugAdapterClientState {
 394    Starting(Task<Option<Arc<DebugAdapterClient>>>),
 395    Running(Arc<DebugAdapterClient>),
 396}
 397
 398#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
 399pub struct ProjectPath {
 400    pub worktree_id: WorktreeId,
 401    pub path: Arc<RelPath>,
 402}
 403
 404impl ProjectPath {
 405    pub fn from_file(value: &dyn language::File, cx: &App) -> Self {
 406        ProjectPath {
 407            worktree_id: value.worktree_id(cx),
 408            path: value.path().clone(),
 409        }
 410    }
 411
 412    pub fn from_proto(p: proto::ProjectPath) -> Option<Self> {
 413        Some(Self {
 414            worktree_id: WorktreeId::from_proto(p.worktree_id),
 415            path: RelPath::from_proto(&p.path).log_err()?,
 416        })
 417    }
 418
 419    pub fn to_proto(&self) -> proto::ProjectPath {
 420        proto::ProjectPath {
 421            worktree_id: self.worktree_id.to_proto(),
 422            path: self.path.as_ref().to_proto(),
 423        }
 424    }
 425
 426    pub fn root_path(worktree_id: WorktreeId) -> Self {
 427        Self {
 428            worktree_id,
 429            path: RelPath::empty().into(),
 430        }
 431    }
 432
 433    pub fn starts_with(&self, other: &ProjectPath) -> bool {
 434        self.worktree_id == other.worktree_id && self.path.starts_with(&other.path)
 435    }
 436}
 437
 438#[derive(Debug, Default)]
 439pub enum PrepareRenameResponse {
 440    Success(Range<Anchor>),
 441    OnlyUnpreparedRenameSupported,
 442    #[default]
 443    InvalidPosition,
 444}
 445
 446#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 447pub enum InlayId {
 448    EditPrediction(usize),
 449    DebuggerValue(usize),
 450    // LSP
 451    Hint(usize),
 452    Color(usize),
 453    ReplResult(usize),
 454}
 455
 456impl InlayId {
 457    pub fn id(&self) -> usize {
 458        match self {
 459            Self::EditPrediction(id) => *id,
 460            Self::DebuggerValue(id) => *id,
 461            Self::Hint(id) => *id,
 462            Self::Color(id) => *id,
 463            Self::ReplResult(id) => *id,
 464        }
 465    }
 466}
 467
 468#[derive(Debug, Clone, PartialEq, Eq)]
 469pub struct InlayHint {
 470    pub position: language::Anchor,
 471    pub label: InlayHintLabel,
 472    pub kind: Option<InlayHintKind>,
 473    pub padding_left: bool,
 474    pub padding_right: bool,
 475    pub tooltip: Option<InlayHintTooltip>,
 476    pub resolve_state: ResolveState,
 477}
 478
 479/// The user's intent behind a given completion confirmation
 480#[derive(PartialEq, Eq, Hash, Debug, Clone, Copy)]
 481pub enum CompletionIntent {
 482    /// The user intends to 'commit' this result, if possible
 483    /// completion confirmations should run side effects.
 484    ///
 485    /// For LSP completions, will respect the setting `completions.lsp_insert_mode`.
 486    Complete,
 487    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `insert`.
 488    CompleteWithInsert,
 489    /// Similar to [Self::Complete], but behaves like `lsp_insert_mode` is set to `replace`.
 490    CompleteWithReplace,
 491    /// The user intends to continue 'composing' this completion
 492    /// completion confirmations should not run side effects and
 493    /// let the user continue composing their action
 494    Compose,
 495}
 496
 497impl CompletionIntent {
 498    pub fn is_complete(&self) -> bool {
 499        self == &Self::Complete
 500    }
 501
 502    pub fn is_compose(&self) -> bool {
 503        self == &Self::Compose
 504    }
 505}
 506
 507/// Similar to `CoreCompletion`, but with extra metadata attached.
 508#[derive(Clone)]
 509pub struct Completion {
 510    /// The range of text that will be replaced by this completion.
 511    pub replace_range: Range<Anchor>,
 512    /// The new text that will be inserted.
 513    pub new_text: String,
 514    /// A label for this completion that is shown in the menu.
 515    pub label: CodeLabel,
 516    /// The documentation for this completion.
 517    pub documentation: Option<CompletionDocumentation>,
 518    /// Completion data source which it was constructed from.
 519    pub source: CompletionSource,
 520    /// A path to an icon for this completion that is shown in the menu.
 521    pub icon_path: Option<SharedString>,
 522    /// Text starting here and ending at the cursor will be used as the query for filtering this completion.
 523    ///
 524    /// If None, the start of the surrounding word is used.
 525    pub match_start: Option<text::Anchor>,
 526    /// Key used for de-duplicating snippets. If None, always considered unique.
 527    pub snippet_deduplication_key: Option<(usize, usize)>,
 528    /// Whether to adjust indentation (the default) or not.
 529    pub insert_text_mode: Option<InsertTextMode>,
 530    /// An optional callback to invoke when this completion is confirmed.
 531    /// Returns, whether new completions should be retriggered after the current one.
 532    /// If `true` is returned, the editor will show a new completion menu after this completion is confirmed.
 533    /// if no confirmation is provided or `false` is returned, the completion will be committed.
 534    pub confirm: Option<Arc<dyn Send + Sync + Fn(CompletionIntent, &mut Window, &mut App) -> bool>>,
 535}
 536
 537#[derive(Debug, Clone)]
 538pub enum CompletionSource {
 539    Lsp {
 540        /// The alternate `insert` range, if provided by the LSP server.
 541        insert_range: Option<Range<Anchor>>,
 542        /// The id of the language server that produced this completion.
 543        server_id: LanguageServerId,
 544        /// The raw completion provided by the language server.
 545        lsp_completion: Box<lsp::CompletionItem>,
 546        /// A set of defaults for this completion item.
 547        lsp_defaults: Option<Arc<lsp::CompletionListItemDefaults>>,
 548        /// Whether this completion has been resolved, to ensure it happens once per completion.
 549        resolved: bool,
 550    },
 551    Dap {
 552        /// The sort text for this completion.
 553        sort_text: String,
 554    },
 555    Custom,
 556    BufferWord {
 557        word_range: Range<Anchor>,
 558        resolved: bool,
 559    },
 560}
 561
 562impl CompletionSource {
 563    pub fn server_id(&self) -> Option<LanguageServerId> {
 564        if let CompletionSource::Lsp { server_id, .. } = self {
 565            Some(*server_id)
 566        } else {
 567            None
 568        }
 569    }
 570
 571    pub fn lsp_completion(&self, apply_defaults: bool) -> Option<Cow<'_, lsp::CompletionItem>> {
 572        if let Self::Lsp {
 573            lsp_completion,
 574            lsp_defaults,
 575            ..
 576        } = self
 577        {
 578            if apply_defaults && let Some(lsp_defaults) = lsp_defaults {
 579                let mut completion_with_defaults = *lsp_completion.clone();
 580                let default_commit_characters = lsp_defaults.commit_characters.as_ref();
 581                let default_edit_range = lsp_defaults.edit_range.as_ref();
 582                let default_insert_text_format = lsp_defaults.insert_text_format.as_ref();
 583                let default_insert_text_mode = lsp_defaults.insert_text_mode.as_ref();
 584
 585                if default_commit_characters.is_some()
 586                    || default_edit_range.is_some()
 587                    || default_insert_text_format.is_some()
 588                    || default_insert_text_mode.is_some()
 589                {
 590                    if completion_with_defaults.commit_characters.is_none()
 591                        && default_commit_characters.is_some()
 592                    {
 593                        completion_with_defaults.commit_characters =
 594                            default_commit_characters.cloned()
 595                    }
 596                    if completion_with_defaults.text_edit.is_none() {
 597                        match default_edit_range {
 598                            Some(lsp::CompletionListItemDefaultsEditRange::Range(range)) => {
 599                                completion_with_defaults.text_edit =
 600                                    Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
 601                                        range: *range,
 602                                        new_text: completion_with_defaults.label.clone(),
 603                                    }))
 604                            }
 605                            Some(lsp::CompletionListItemDefaultsEditRange::InsertAndReplace {
 606                                insert,
 607                                replace,
 608                            }) => {
 609                                completion_with_defaults.text_edit =
 610                                    Some(lsp::CompletionTextEdit::InsertAndReplace(
 611                                        lsp::InsertReplaceEdit {
 612                                            new_text: completion_with_defaults.label.clone(),
 613                                            insert: *insert,
 614                                            replace: *replace,
 615                                        },
 616                                    ))
 617                            }
 618                            None => {}
 619                        }
 620                    }
 621                    if completion_with_defaults.insert_text_format.is_none()
 622                        && default_insert_text_format.is_some()
 623                    {
 624                        completion_with_defaults.insert_text_format =
 625                            default_insert_text_format.cloned()
 626                    }
 627                    if completion_with_defaults.insert_text_mode.is_none()
 628                        && default_insert_text_mode.is_some()
 629                    {
 630                        completion_with_defaults.insert_text_mode =
 631                            default_insert_text_mode.cloned()
 632                    }
 633                }
 634                return Some(Cow::Owned(completion_with_defaults));
 635            }
 636            Some(Cow::Borrowed(lsp_completion))
 637        } else {
 638            None
 639        }
 640    }
 641}
 642
 643impl std::fmt::Debug for Completion {
 644    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 645        f.debug_struct("Completion")
 646            .field("replace_range", &self.replace_range)
 647            .field("new_text", &self.new_text)
 648            .field("label", &self.label)
 649            .field("documentation", &self.documentation)
 650            .field("source", &self.source)
 651            .finish()
 652    }
 653}
 654
 655/// Response from a source of completions.
 656pub struct CompletionResponse {
 657    pub completions: Vec<Completion>,
 658    pub display_options: CompletionDisplayOptions,
 659    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 660    /// can be filtered instead.
 661    pub is_incomplete: bool,
 662}
 663
 664#[derive(Default)]
 665pub struct CompletionDisplayOptions {
 666    pub dynamic_width: bool,
 667}
 668
 669impl CompletionDisplayOptions {
 670    pub fn merge(&mut self, other: &CompletionDisplayOptions) {
 671        self.dynamic_width = self.dynamic_width && other.dynamic_width;
 672    }
 673}
 674
 675/// Response from language server completion request.
 676#[derive(Clone, Debug, Default)]
 677pub(crate) struct CoreCompletionResponse {
 678    pub completions: Vec<CoreCompletion>,
 679    /// When false, indicates that the list is complete and so does not need to be re-queried if it
 680    /// can be filtered instead.
 681    pub is_incomplete: bool,
 682}
 683
 684/// A generic completion that can come from different sources.
 685#[derive(Clone, Debug)]
 686pub(crate) struct CoreCompletion {
 687    replace_range: Range<Anchor>,
 688    new_text: String,
 689    source: CompletionSource,
 690}
 691
 692/// A code action provided by a language server.
 693#[derive(Clone, Debug, PartialEq)]
 694pub struct CodeAction {
 695    /// The id of the language server that produced this code action.
 696    pub server_id: LanguageServerId,
 697    /// The range of the buffer where this code action is applicable.
 698    pub range: Range<Anchor>,
 699    /// The raw code action provided by the language server.
 700    /// Can be either an action or a command.
 701    pub lsp_action: LspAction,
 702    /// Whether the action needs to be resolved using the language server.
 703    pub resolved: bool,
 704}
 705
 706/// An action sent back by a language server.
 707#[derive(Clone, Debug, PartialEq)]
 708pub enum LspAction {
 709    /// An action with the full data, may have a command or may not.
 710    /// May require resolving.
 711    Action(Box<lsp::CodeAction>),
 712    /// A command data to run as an action.
 713    Command(lsp::Command),
 714    /// A code lens data to run as an action.
 715    CodeLens(lsp::CodeLens),
 716}
 717
 718impl LspAction {
 719    pub fn title(&self) -> &str {
 720        match self {
 721            Self::Action(action) => &action.title,
 722            Self::Command(command) => &command.title,
 723            Self::CodeLens(lens) => lens
 724                .command
 725                .as_ref()
 726                .map(|command| command.title.as_str())
 727                .unwrap_or("Unknown command"),
 728        }
 729    }
 730
 731    pub fn action_kind(&self) -> Option<lsp::CodeActionKind> {
 732        match self {
 733            Self::Action(action) => action.kind.clone(),
 734            Self::Command(_) => Some(lsp::CodeActionKind::new("command")),
 735            Self::CodeLens(_) => Some(lsp::CodeActionKind::new("code lens")),
 736        }
 737    }
 738
 739    fn edit(&self) -> Option<&lsp::WorkspaceEdit> {
 740        match self {
 741            Self::Action(action) => action.edit.as_ref(),
 742            Self::Command(_) => None,
 743            Self::CodeLens(_) => None,
 744        }
 745    }
 746
 747    fn command(&self) -> Option<&lsp::Command> {
 748        match self {
 749            Self::Action(action) => action.command.as_ref(),
 750            Self::Command(command) => Some(command),
 751            Self::CodeLens(lens) => lens.command.as_ref(),
 752        }
 753    }
 754}
 755
 756#[derive(Debug, Clone, PartialEq, Eq)]
 757pub enum ResolveState {
 758    Resolved,
 759    CanResolve(LanguageServerId, Option<lsp::LSPAny>),
 760    Resolving,
 761}
 762impl InlayHint {
 763    pub fn text(&self) -> Rope {
 764        match &self.label {
 765            InlayHintLabel::String(s) => Rope::from(s),
 766            InlayHintLabel::LabelParts(parts) => parts.iter().map(|part| &*part.value).collect(),
 767        }
 768    }
 769}
 770
 771#[derive(Debug, Clone, PartialEq, Eq)]
 772pub enum InlayHintLabel {
 773    String(String),
 774    LabelParts(Vec<InlayHintLabelPart>),
 775}
 776
 777#[derive(Debug, Clone, PartialEq, Eq)]
 778pub struct InlayHintLabelPart {
 779    pub value: String,
 780    pub tooltip: Option<InlayHintLabelPartTooltip>,
 781    pub location: Option<(LanguageServerId, lsp::Location)>,
 782}
 783
 784#[derive(Debug, Clone, PartialEq, Eq)]
 785pub enum InlayHintTooltip {
 786    String(String),
 787    MarkupContent(MarkupContent),
 788}
 789
 790#[derive(Debug, Clone, PartialEq, Eq)]
 791pub enum InlayHintLabelPartTooltip {
 792    String(String),
 793    MarkupContent(MarkupContent),
 794}
 795
 796#[derive(Debug, Clone, PartialEq, Eq)]
 797pub struct MarkupContent {
 798    pub kind: HoverBlockKind,
 799    pub value: String,
 800}
 801
 802#[derive(Debug, Clone, PartialEq)]
 803pub struct LocationLink {
 804    pub origin: Option<Location>,
 805    pub target: Location,
 806}
 807
 808#[derive(Debug)]
 809pub struct DocumentHighlight {
 810    pub range: Range<language::Anchor>,
 811    pub kind: DocumentHighlightKind,
 812}
 813
 814#[derive(Clone, Debug)]
 815pub struct Symbol {
 816    pub language_server_name: LanguageServerName,
 817    pub source_worktree_id: WorktreeId,
 818    pub source_language_server_id: LanguageServerId,
 819    pub path: SymbolLocation,
 820    pub label: CodeLabel,
 821    pub name: String,
 822    pub kind: lsp::SymbolKind,
 823    pub range: Range<Unclipped<PointUtf16>>,
 824}
 825
 826#[derive(Clone, Debug)]
 827pub struct DocumentSymbol {
 828    pub name: String,
 829    pub kind: lsp::SymbolKind,
 830    pub range: Range<Unclipped<PointUtf16>>,
 831    pub selection_range: Range<Unclipped<PointUtf16>>,
 832    pub children: Vec<DocumentSymbol>,
 833}
 834
 835#[derive(Clone, Debug, PartialEq)]
 836pub struct HoverBlock {
 837    pub text: String,
 838    pub kind: HoverBlockKind,
 839}
 840
 841#[derive(Clone, Debug, PartialEq, Eq)]
 842pub enum HoverBlockKind {
 843    PlainText,
 844    Markdown,
 845    Code { language: String },
 846}
 847
 848#[derive(Debug, Clone)]
 849pub struct Hover {
 850    pub contents: Vec<HoverBlock>,
 851    pub range: Option<Range<language::Anchor>>,
 852    pub language: Option<Arc<Language>>,
 853}
 854
 855impl Hover {
 856    pub fn is_empty(&self) -> bool {
 857        self.contents.iter().all(|block| block.text.is_empty())
 858    }
 859}
 860
 861enum EntitySubscription {
 862    Project(PendingEntitySubscription<Project>),
 863    BufferStore(PendingEntitySubscription<BufferStore>),
 864    GitStore(PendingEntitySubscription<GitStore>),
 865    WorktreeStore(PendingEntitySubscription<WorktreeStore>),
 866    LspStore(PendingEntitySubscription<LspStore>),
 867    SettingsObserver(PendingEntitySubscription<SettingsObserver>),
 868    DapStore(PendingEntitySubscription<DapStore>),
 869    BreakpointStore(PendingEntitySubscription<BreakpointStore>),
 870}
 871
 872#[derive(Debug, Clone)]
 873pub struct DirectoryItem {
 874    pub path: PathBuf,
 875    pub is_dir: bool,
 876}
 877
 878#[derive(Clone, Debug, PartialEq)]
 879pub struct DocumentColor {
 880    pub lsp_range: lsp::Range,
 881    pub color: lsp::Color,
 882    pub resolved: bool,
 883    pub color_presentations: Vec<ColorPresentation>,
 884}
 885
 886impl Eq for DocumentColor {}
 887
 888impl std::hash::Hash for DocumentColor {
 889    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 890        self.lsp_range.hash(state);
 891        self.color.red.to_bits().hash(state);
 892        self.color.green.to_bits().hash(state);
 893        self.color.blue.to_bits().hash(state);
 894        self.color.alpha.to_bits().hash(state);
 895        self.resolved.hash(state);
 896        self.color_presentations.hash(state);
 897    }
 898}
 899
 900#[derive(Clone, Debug, PartialEq, Eq)]
 901pub struct ColorPresentation {
 902    pub label: SharedString,
 903    pub text_edit: Option<lsp::TextEdit>,
 904    pub additional_text_edits: Vec<lsp::TextEdit>,
 905}
 906
 907impl std::hash::Hash for ColorPresentation {
 908    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 909        self.label.hash(state);
 910        if let Some(ref edit) = self.text_edit {
 911            edit.range.hash(state);
 912            edit.new_text.hash(state);
 913        }
 914        self.additional_text_edits.len().hash(state);
 915        for edit in &self.additional_text_edits {
 916            edit.range.hash(state);
 917            edit.new_text.hash(state);
 918        }
 919    }
 920}
 921
 922#[derive(Clone)]
 923pub enum DirectoryLister {
 924    Project(Entity<Project>),
 925    Local(Entity<Project>, Arc<dyn Fs>),
 926}
 927
 928impl std::fmt::Debug for DirectoryLister {
 929    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 930        match self {
 931            DirectoryLister::Project(project) => {
 932                write!(f, "DirectoryLister::Project({project:?})")
 933            }
 934            DirectoryLister::Local(project, _) => {
 935                write!(f, "DirectoryLister::Local({project:?})")
 936            }
 937        }
 938    }
 939}
 940
 941impl DirectoryLister {
 942    pub fn is_local(&self, cx: &App) -> bool {
 943        match self {
 944            DirectoryLister::Local(..) => true,
 945            DirectoryLister::Project(project) => project.read(cx).is_local(),
 946        }
 947    }
 948
 949    pub fn resolve_tilde<'a>(&self, path: &'a String, cx: &App) -> Cow<'a, str> {
 950        if self.is_local(cx) {
 951            shellexpand::tilde(path)
 952        } else {
 953            Cow::from(path)
 954        }
 955    }
 956
 957    pub fn default_query(&self, cx: &mut App) -> String {
 958        let project = match self {
 959            DirectoryLister::Project(project) => project,
 960            DirectoryLister::Local(project, _) => project,
 961        }
 962        .read(cx);
 963        let path_style = project.path_style(cx);
 964        project
 965            .visible_worktrees(cx)
 966            .next()
 967            .map(|worktree| worktree.read(cx).abs_path().to_string_lossy().into_owned())
 968            .or_else(|| std::env::home_dir().map(|dir| dir.to_string_lossy().into_owned()))
 969            .map(|mut s| {
 970                s.push_str(path_style.primary_separator());
 971                s
 972            })
 973            .unwrap_or_else(|| {
 974                if path_style.is_windows() {
 975                    "C:\\"
 976                } else {
 977                    "~/"
 978                }
 979                .to_string()
 980            })
 981    }
 982
 983    pub fn list_directory(&self, path: String, cx: &mut App) -> Task<Result<Vec<DirectoryItem>>> {
 984        match self {
 985            DirectoryLister::Project(project) => {
 986                project.update(cx, |project, cx| project.list_directory(path, cx))
 987            }
 988            DirectoryLister::Local(_, fs) => {
 989                let fs = fs.clone();
 990                cx.background_spawn(async move {
 991                    let mut results = vec![];
 992                    let expanded = shellexpand::tilde(&path);
 993                    let query = Path::new(expanded.as_ref());
 994                    let mut response = fs.read_dir(query).await?;
 995                    while let Some(path) = response.next().await {
 996                        let path = path?;
 997                        if let Some(file_name) = path.file_name() {
 998                            results.push(DirectoryItem {
 999                                path: PathBuf::from(file_name.to_os_string()),
1000                                is_dir: fs.is_dir(&path).await,
1001                            });
1002                        }
1003                    }
1004                    Ok(results)
1005                })
1006            }
1007        }
1008    }
1009
1010    pub fn path_style(&self, cx: &App) -> PathStyle {
1011        match self {
1012            Self::Local(project, ..) | Self::Project(project, ..) => {
1013                project.read(cx).path_style(cx)
1014            }
1015        }
1016    }
1017}
1018
1019#[cfg(feature = "test-support")]
1020pub const DEFAULT_COMPLETION_CONTEXT: CompletionContext = CompletionContext {
1021    trigger_kind: lsp::CompletionTriggerKind::INVOKED,
1022    trigger_character: None,
1023};
1024
1025/// An LSP diagnostics associated with a certain language server.
1026#[derive(Clone, Debug, Default)]
1027pub enum LspPullDiagnostics {
1028    #[default]
1029    Default,
1030    Response {
1031        /// The id of the language server that produced diagnostics.
1032        server_id: LanguageServerId,
1033        /// URI of the resource,
1034        uri: lsp::Uri,
1035        /// The ID provided by the dynamic registration that produced diagnostics.
1036        registration_id: Option<SharedString>,
1037        /// The diagnostics produced by this language server.
1038        diagnostics: PulledDiagnostics,
1039    },
1040}
1041
1042#[derive(Clone, Debug)]
1043pub enum PulledDiagnostics {
1044    Unchanged {
1045        /// An ID the current pulled batch for this file.
1046        /// If given, can be used to query workspace diagnostics partially.
1047        result_id: SharedString,
1048    },
1049    Changed {
1050        result_id: Option<SharedString>,
1051        diagnostics: Vec<lsp::Diagnostic>,
1052    },
1053}
1054
1055/// Whether to disable all AI features in Zed.
1056///
1057/// Default: false
1058#[derive(Copy, Clone, Debug, RegisterSetting)]
1059pub struct DisableAiSettings {
1060    pub disable_ai: bool,
1061}
1062
1063impl settings::Settings for DisableAiSettings {
1064    fn from_settings(content: &settings::SettingsContent) -> Self {
1065        Self {
1066            disable_ai: content.disable_ai.unwrap().0,
1067        }
1068    }
1069}
1070
1071impl Project {
1072    pub fn init(client: &Arc<Client>, cx: &mut App) {
1073        connection_manager::init(client.clone(), cx);
1074
1075        let client: AnyProtoClient = client.clone().into();
1076        client.add_entity_message_handler(Self::handle_add_collaborator);
1077        client.add_entity_message_handler(Self::handle_update_project_collaborator);
1078        client.add_entity_message_handler(Self::handle_remove_collaborator);
1079        client.add_entity_message_handler(Self::handle_update_project);
1080        client.add_entity_message_handler(Self::handle_unshare_project);
1081        client.add_entity_request_handler(Self::handle_update_buffer);
1082        client.add_entity_message_handler(Self::handle_update_worktree);
1083        client.add_entity_request_handler(Self::handle_synchronize_buffers);
1084
1085        client.add_entity_request_handler(Self::handle_search_candidate_buffers);
1086        client.add_entity_request_handler(Self::handle_open_buffer_by_id);
1087        client.add_entity_request_handler(Self::handle_open_buffer_by_path);
1088        client.add_entity_request_handler(Self::handle_open_new_buffer);
1089        client.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1090        client.add_entity_message_handler(Self::handle_toggle_lsp_logs);
1091        client.add_entity_message_handler(Self::handle_create_image_for_peer);
1092        client.add_entity_request_handler(Self::handle_find_search_candidates_chunk);
1093        client.add_entity_message_handler(Self::handle_find_search_candidates_cancel);
1094
1095        WorktreeStore::init(&client);
1096        BufferStore::init(&client);
1097        LspStore::init(&client);
1098        GitStore::init(&client);
1099        SettingsObserver::init(&client);
1100        TaskStore::init(Some(&client));
1101        ToolchainStore::init(&client);
1102        DapStore::init(&client, cx);
1103        BreakpointStore::init(&client);
1104        context_server_store::init(cx);
1105    }
1106
1107    pub fn local(
1108        client: Arc<Client>,
1109        node: NodeRuntime,
1110        user_store: Entity<UserStore>,
1111        languages: Arc<LanguageRegistry>,
1112        fs: Arc<dyn Fs>,
1113        env: Option<HashMap<String, String>>,
1114        flags: LocalProjectFlags,
1115        cx: &mut App,
1116    ) -> Entity<Self> {
1117        cx.new(|cx: &mut Context<Self>| {
1118            let (tx, rx) = mpsc::unbounded();
1119            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1120                .detach();
1121            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1122            let worktree_store =
1123                cx.new(|cx| WorktreeStore::local(false, fs.clone(), WorktreeIdCounter::get(cx)));
1124            if flags.init_worktree_trust {
1125                trusted_worktrees::track_worktree_trust(
1126                    worktree_store.clone(),
1127                    None,
1128                    None,
1129                    None,
1130                    cx,
1131                );
1132            }
1133            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1134                .detach();
1135
1136            let weak_self = cx.weak_entity();
1137            let context_server_store = cx.new(|cx| {
1138                ContextServerStore::local(
1139                    worktree_store.clone(),
1140                    Some(weak_self.clone()),
1141                    false,
1142                    cx,
1143                )
1144            });
1145
1146            let environment = cx.new(|cx| {
1147                ProjectEnvironment::new(env, worktree_store.downgrade(), None, false, cx)
1148            });
1149            let manifest_tree = ManifestTree::new(worktree_store.clone(), cx);
1150            let toolchain_store = cx.new(|cx| {
1151                ToolchainStore::local(
1152                    languages.clone(),
1153                    worktree_store.clone(),
1154                    environment.clone(),
1155                    manifest_tree.clone(),
1156                    fs.clone(),
1157                    cx,
1158                )
1159            });
1160
1161            let buffer_store = cx.new(|cx| BufferStore::local(worktree_store.clone(), cx));
1162            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1163                .detach();
1164
1165            let breakpoint_store =
1166                cx.new(|_| BreakpointStore::local(worktree_store.clone(), buffer_store.clone()));
1167
1168            let dap_store = cx.new(|cx| {
1169                DapStore::new_local(
1170                    client.http_client(),
1171                    node.clone(),
1172                    fs.clone(),
1173                    environment.clone(),
1174                    toolchain_store.read(cx).as_language_toolchain_store(),
1175                    worktree_store.clone(),
1176                    breakpoint_store.clone(),
1177                    false,
1178                    cx,
1179                )
1180            });
1181            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1182
1183            let image_store = cx.new(|cx| ImageStore::local(worktree_store.clone(), cx));
1184            cx.subscribe(&image_store, Self::on_image_store_event)
1185                .detach();
1186
1187            let prettier_store = cx.new(|cx| {
1188                PrettierStore::new(
1189                    node.clone(),
1190                    fs.clone(),
1191                    languages.clone(),
1192                    worktree_store.clone(),
1193                    cx,
1194                )
1195            });
1196
1197            let task_store = cx.new(|cx| {
1198                TaskStore::local(
1199                    buffer_store.downgrade(),
1200                    worktree_store.clone(),
1201                    toolchain_store.read(cx).as_language_toolchain_store(),
1202                    environment.clone(),
1203                    cx,
1204                )
1205            });
1206
1207            let settings_observer = cx.new(|cx| {
1208                SettingsObserver::new_local(
1209                    fs.clone(),
1210                    worktree_store.clone(),
1211                    task_store.clone(),
1212                    flags.watch_global_configs,
1213                    cx,
1214                )
1215            });
1216            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1217                .detach();
1218
1219            let lsp_store = cx.new(|cx| {
1220                LspStore::new_local(
1221                    buffer_store.clone(),
1222                    worktree_store.clone(),
1223                    prettier_store.clone(),
1224                    toolchain_store
1225                        .read(cx)
1226                        .as_local_store()
1227                        .expect("Toolchain store to be local")
1228                        .clone(),
1229                    environment.clone(),
1230                    manifest_tree,
1231                    languages.clone(),
1232                    client.http_client(),
1233                    fs.clone(),
1234                    cx,
1235                )
1236            });
1237
1238            let git_store = cx.new(|cx| {
1239                GitStore::local(
1240                    &worktree_store,
1241                    buffer_store.clone(),
1242                    environment.clone(),
1243                    fs.clone(),
1244                    cx,
1245                )
1246            });
1247
1248            let agent_server_store = cx.new(|cx| {
1249                AgentServerStore::local(
1250                    node.clone(),
1251                    fs.clone(),
1252                    environment.clone(),
1253                    client.http_client(),
1254                    cx,
1255                )
1256            });
1257
1258            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1259
1260            Self {
1261                buffer_ordered_messages_tx: tx,
1262                collaborators: Default::default(),
1263                worktree_store,
1264                buffer_store,
1265                image_store,
1266                lsp_store,
1267                context_server_store,
1268                join_project_response_message_id: 0,
1269                client_state: ProjectClientState::Local,
1270                git_store,
1271                client_subscriptions: Vec::new(),
1272                _subscriptions: vec![cx.on_release(Self::release)],
1273                active_entry: None,
1274                snippets,
1275                languages,
1276                collab_client: client,
1277                task_store,
1278                user_store,
1279                settings_observer,
1280                fs,
1281                remote_client: None,
1282                breakpoint_store,
1283                dap_store,
1284                agent_server_store,
1285
1286                buffers_needing_diff: Default::default(),
1287                git_diff_debouncer: DebouncedDelay::new(),
1288                terminals: Terminals {
1289                    local_handles: Vec::new(),
1290                },
1291                node: Some(node),
1292                search_history: Self::new_search_history(),
1293                environment,
1294                remotely_created_models: Default::default(),
1295
1296                search_included_history: Self::new_search_history(),
1297                search_excluded_history: Self::new_search_history(),
1298
1299                toolchain_store: Some(toolchain_store),
1300
1301                agent_location: None,
1302            }
1303        })
1304    }
1305
1306    pub fn remote(
1307        remote: Entity<RemoteClient>,
1308        client: Arc<Client>,
1309        node: NodeRuntime,
1310        user_store: Entity<UserStore>,
1311        languages: Arc<LanguageRegistry>,
1312        fs: Arc<dyn Fs>,
1313        init_worktree_trust: bool,
1314        cx: &mut App,
1315    ) -> Entity<Self> {
1316        cx.new(|cx: &mut Context<Self>| {
1317            let (tx, rx) = mpsc::unbounded();
1318            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1319                .detach();
1320            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1321
1322            let (remote_proto, path_style, connection_options) =
1323                remote.read_with(cx, |remote, _| {
1324                    (
1325                        remote.proto_client(),
1326                        remote.path_style(),
1327                        remote.connection_options(),
1328                    )
1329                });
1330            let worktree_store = cx.new(|cx| {
1331                WorktreeStore::remote(
1332                    false,
1333                    remote_proto.clone(),
1334                    REMOTE_SERVER_PROJECT_ID,
1335                    path_style,
1336                    WorktreeIdCounter::get(cx),
1337                )
1338            });
1339
1340            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1341                .detach();
1342            if init_worktree_trust {
1343                trusted_worktrees::track_worktree_trust(
1344                    worktree_store.clone(),
1345                    Some(RemoteHostLocation::from(connection_options)),
1346                    None,
1347                    Some((remote_proto.clone(), ProjectId(REMOTE_SERVER_PROJECT_ID))),
1348                    cx,
1349                );
1350            }
1351
1352            let weak_self = cx.weak_entity();
1353
1354            let buffer_store = cx.new(|cx| {
1355                BufferStore::remote(
1356                    worktree_store.clone(),
1357                    remote.read(cx).proto_client(),
1358                    REMOTE_SERVER_PROJECT_ID,
1359                    cx,
1360                )
1361            });
1362            let image_store = cx.new(|cx| {
1363                ImageStore::remote(
1364                    worktree_store.clone(),
1365                    remote.read(cx).proto_client(),
1366                    REMOTE_SERVER_PROJECT_ID,
1367                    cx,
1368                )
1369            });
1370            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1371                .detach();
1372            let toolchain_store = cx.new(|cx| {
1373                ToolchainStore::remote(
1374                    REMOTE_SERVER_PROJECT_ID,
1375                    worktree_store.clone(),
1376                    remote.read(cx).proto_client(),
1377                    cx,
1378                )
1379            });
1380
1381            let task_store = cx.new(|cx| {
1382                TaskStore::remote(
1383                    buffer_store.downgrade(),
1384                    worktree_store.clone(),
1385                    toolchain_store.read(cx).as_language_toolchain_store(),
1386                    remote.read(cx).proto_client(),
1387                    REMOTE_SERVER_PROJECT_ID,
1388                    cx,
1389                )
1390            });
1391
1392            let settings_observer = cx.new(|cx| {
1393                SettingsObserver::new_remote(
1394                    fs.clone(),
1395                    worktree_store.clone(),
1396                    task_store.clone(),
1397                    Some(remote_proto.clone()),
1398                    false,
1399                    cx,
1400                )
1401            });
1402            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1403                .detach();
1404
1405            let context_server_store = cx.new(|cx| {
1406                ContextServerStore::remote(
1407                    rpc::proto::REMOTE_SERVER_PROJECT_ID,
1408                    remote.clone(),
1409                    worktree_store.clone(),
1410                    Some(weak_self.clone()),
1411                    cx,
1412                )
1413            });
1414
1415            let environment = cx.new(|cx| {
1416                ProjectEnvironment::new(
1417                    None,
1418                    worktree_store.downgrade(),
1419                    Some(remote.downgrade()),
1420                    false,
1421                    cx,
1422                )
1423            });
1424
1425            let lsp_store = cx.new(|cx| {
1426                LspStore::new_remote(
1427                    buffer_store.clone(),
1428                    worktree_store.clone(),
1429                    languages.clone(),
1430                    remote_proto.clone(),
1431                    REMOTE_SERVER_PROJECT_ID,
1432                    cx,
1433                )
1434            });
1435            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1436
1437            let breakpoint_store = cx.new(|_| {
1438                BreakpointStore::remote(
1439                    REMOTE_SERVER_PROJECT_ID,
1440                    remote_proto.clone(),
1441                    buffer_store.clone(),
1442                    worktree_store.clone(),
1443                )
1444            });
1445
1446            let dap_store = cx.new(|cx| {
1447                DapStore::new_remote(
1448                    REMOTE_SERVER_PROJECT_ID,
1449                    remote.clone(),
1450                    breakpoint_store.clone(),
1451                    worktree_store.clone(),
1452                    node.clone(),
1453                    client.http_client(),
1454                    fs.clone(),
1455                    cx,
1456                )
1457            });
1458
1459            let git_store = cx.new(|cx| {
1460                GitStore::remote(
1461                    &worktree_store,
1462                    buffer_store.clone(),
1463                    remote_proto.clone(),
1464                    REMOTE_SERVER_PROJECT_ID,
1465                    cx,
1466                )
1467            });
1468
1469            let agent_server_store =
1470                cx.new(|_| AgentServerStore::remote(REMOTE_SERVER_PROJECT_ID, remote.clone()));
1471
1472            cx.subscribe(&remote, Self::on_remote_client_event).detach();
1473
1474            let this = Self {
1475                buffer_ordered_messages_tx: tx,
1476                collaborators: Default::default(),
1477                worktree_store,
1478                buffer_store,
1479                image_store,
1480                lsp_store,
1481                context_server_store,
1482                breakpoint_store,
1483                dap_store,
1484                join_project_response_message_id: 0,
1485                client_state: ProjectClientState::Local,
1486                git_store,
1487                agent_server_store,
1488                client_subscriptions: Vec::new(),
1489                _subscriptions: vec![
1490                    cx.on_release(Self::release),
1491                    cx.on_app_quit(|this, cx| {
1492                        let shutdown = this.remote_client.take().and_then(|client| {
1493                            client.update(cx, |client, cx| {
1494                                client.shutdown_processes(
1495                                    Some(proto::ShutdownRemoteServer {}),
1496                                    cx.background_executor().clone(),
1497                                )
1498                            })
1499                        });
1500
1501                        cx.background_executor().spawn(async move {
1502                            if let Some(shutdown) = shutdown {
1503                                shutdown.await;
1504                            }
1505                        })
1506                    }),
1507                ],
1508                active_entry: None,
1509                snippets,
1510                languages,
1511                collab_client: client,
1512                task_store,
1513                user_store,
1514                settings_observer,
1515                fs,
1516                remote_client: Some(remote.clone()),
1517                buffers_needing_diff: Default::default(),
1518                git_diff_debouncer: DebouncedDelay::new(),
1519                terminals: Terminals {
1520                    local_handles: Vec::new(),
1521                },
1522                node: Some(node),
1523                search_history: Self::new_search_history(),
1524                environment,
1525                remotely_created_models: Default::default(),
1526
1527                search_included_history: Self::new_search_history(),
1528                search_excluded_history: Self::new_search_history(),
1529
1530                toolchain_store: Some(toolchain_store),
1531                agent_location: None,
1532            };
1533
1534            // remote server -> local machine handlers
1535            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &cx.entity());
1536            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.buffer_store);
1537            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.worktree_store);
1538            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.lsp_store);
1539            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.dap_store);
1540            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.breakpoint_store);
1541            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.settings_observer);
1542            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.git_store);
1543            remote_proto.subscribe_to_entity(REMOTE_SERVER_PROJECT_ID, &this.agent_server_store);
1544
1545            remote_proto.add_entity_message_handler(Self::handle_create_buffer_for_peer);
1546            remote_proto.add_entity_message_handler(Self::handle_create_image_for_peer);
1547            remote_proto.add_entity_message_handler(Self::handle_update_worktree);
1548            remote_proto.add_entity_message_handler(Self::handle_update_project);
1549            remote_proto.add_entity_message_handler(Self::handle_toast);
1550            remote_proto.add_entity_request_handler(Self::handle_language_server_prompt_request);
1551            remote_proto.add_entity_message_handler(Self::handle_hide_toast);
1552            remote_proto.add_entity_request_handler(Self::handle_update_buffer_from_remote_server);
1553            remote_proto.add_entity_request_handler(Self::handle_trust_worktrees);
1554            remote_proto.add_entity_request_handler(Self::handle_restrict_worktrees);
1555            remote_proto.add_entity_request_handler(Self::handle_find_search_candidates_chunk);
1556
1557            remote_proto.add_entity_message_handler(Self::handle_find_search_candidates_cancel);
1558            BufferStore::init(&remote_proto);
1559            WorktreeStore::init_remote(&remote_proto);
1560            LspStore::init(&remote_proto);
1561            SettingsObserver::init(&remote_proto);
1562            TaskStore::init(Some(&remote_proto));
1563            ToolchainStore::init(&remote_proto);
1564            DapStore::init(&remote_proto, cx);
1565            BreakpointStore::init(&remote_proto);
1566            GitStore::init(&remote_proto);
1567            AgentServerStore::init_remote(&remote_proto);
1568
1569            this
1570        })
1571    }
1572
1573    pub async fn in_room(
1574        remote_id: u64,
1575        client: Arc<Client>,
1576        user_store: Entity<UserStore>,
1577        languages: Arc<LanguageRegistry>,
1578        fs: Arc<dyn Fs>,
1579        cx: AsyncApp,
1580    ) -> Result<Entity<Self>> {
1581        client.connect(true, &cx).await.into_response()?;
1582
1583        let subscriptions = [
1584            EntitySubscription::Project(client.subscribe_to_entity::<Self>(remote_id)?),
1585            EntitySubscription::BufferStore(client.subscribe_to_entity::<BufferStore>(remote_id)?),
1586            EntitySubscription::GitStore(client.subscribe_to_entity::<GitStore>(remote_id)?),
1587            EntitySubscription::WorktreeStore(
1588                client.subscribe_to_entity::<WorktreeStore>(remote_id)?,
1589            ),
1590            EntitySubscription::LspStore(client.subscribe_to_entity::<LspStore>(remote_id)?),
1591            EntitySubscription::SettingsObserver(
1592                client.subscribe_to_entity::<SettingsObserver>(remote_id)?,
1593            ),
1594            EntitySubscription::DapStore(client.subscribe_to_entity::<DapStore>(remote_id)?),
1595            EntitySubscription::BreakpointStore(
1596                client.subscribe_to_entity::<BreakpointStore>(remote_id)?,
1597            ),
1598        ];
1599        let committer = get_git_committer(&cx).await;
1600        let response = client
1601            .request_envelope(proto::JoinProject {
1602                project_id: remote_id,
1603                committer_email: committer.email,
1604                committer_name: committer.name,
1605            })
1606            .await?;
1607        Self::from_join_project_response(
1608            response,
1609            subscriptions,
1610            client,
1611            false,
1612            user_store,
1613            languages,
1614            fs,
1615            cx,
1616        )
1617        .await
1618    }
1619
1620    async fn from_join_project_response(
1621        response: TypedEnvelope<proto::JoinProjectResponse>,
1622        subscriptions: [EntitySubscription; 8],
1623        client: Arc<Client>,
1624        run_tasks: bool,
1625        user_store: Entity<UserStore>,
1626        languages: Arc<LanguageRegistry>,
1627        fs: Arc<dyn Fs>,
1628        mut cx: AsyncApp,
1629    ) -> Result<Entity<Self>> {
1630        let remote_id = response.payload.project_id;
1631        let role = response.payload.role();
1632
1633        let path_style = if response.payload.windows_paths {
1634            PathStyle::Windows
1635        } else {
1636            PathStyle::Posix
1637        };
1638
1639        let worktree_store = cx.new(|cx| {
1640            WorktreeStore::remote(
1641                true,
1642                client.clone().into(),
1643                response.payload.project_id,
1644                path_style,
1645                WorktreeIdCounter::get(cx),
1646            )
1647        });
1648        let buffer_store = cx.new(|cx| {
1649            BufferStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1650        });
1651        let image_store = cx.new(|cx| {
1652            ImageStore::remote(worktree_store.clone(), client.clone().into(), remote_id, cx)
1653        });
1654
1655        let environment =
1656            cx.new(|cx| ProjectEnvironment::new(None, worktree_store.downgrade(), None, true, cx));
1657        let breakpoint_store = cx.new(|_| {
1658            BreakpointStore::remote(
1659                remote_id,
1660                client.clone().into(),
1661                buffer_store.clone(),
1662                worktree_store.clone(),
1663            )
1664        });
1665        let dap_store = cx.new(|cx| {
1666            DapStore::new_collab(
1667                remote_id,
1668                client.clone().into(),
1669                breakpoint_store.clone(),
1670                worktree_store.clone(),
1671                fs.clone(),
1672                cx,
1673            )
1674        });
1675
1676        let lsp_store = cx.new(|cx| {
1677            LspStore::new_remote(
1678                buffer_store.clone(),
1679                worktree_store.clone(),
1680                languages.clone(),
1681                client.clone().into(),
1682                remote_id,
1683                cx,
1684            )
1685        });
1686
1687        let task_store = cx.new(|cx| {
1688            if run_tasks {
1689                TaskStore::remote(
1690                    buffer_store.downgrade(),
1691                    worktree_store.clone(),
1692                    Arc::new(EmptyToolchainStore),
1693                    client.clone().into(),
1694                    remote_id,
1695                    cx,
1696                )
1697            } else {
1698                TaskStore::Noop
1699            }
1700        });
1701
1702        let settings_observer = cx.new(|cx| {
1703            SettingsObserver::new_remote(
1704                fs.clone(),
1705                worktree_store.clone(),
1706                task_store.clone(),
1707                None,
1708                true,
1709                cx,
1710            )
1711        });
1712
1713        let git_store = cx.new(|cx| {
1714            GitStore::remote(
1715                // In this remote case we pass None for the environment
1716                &worktree_store,
1717                buffer_store.clone(),
1718                client.clone().into(),
1719                remote_id,
1720                cx,
1721            )
1722        });
1723
1724        let agent_server_store = cx.new(|_cx| AgentServerStore::collab());
1725        let replica_id = ReplicaId::new(response.payload.replica_id as u16);
1726
1727        let project = cx.new(|cx| {
1728            let snippets = SnippetProvider::new(fs.clone(), BTreeSet::from_iter([]), cx);
1729
1730            let weak_self = cx.weak_entity();
1731            let context_server_store = cx.new(|cx| {
1732                ContextServerStore::local(worktree_store.clone(), Some(weak_self), false, cx)
1733            });
1734
1735            let mut worktrees = Vec::new();
1736            for worktree in response.payload.worktrees {
1737                let worktree = Worktree::remote(
1738                    remote_id,
1739                    replica_id,
1740                    worktree,
1741                    client.clone().into(),
1742                    path_style,
1743                    cx,
1744                );
1745                worktrees.push(worktree);
1746            }
1747
1748            let (tx, rx) = mpsc::unbounded();
1749            cx.spawn(async move |this, cx| Self::send_buffer_ordered_messages(this, rx, cx).await)
1750                .detach();
1751
1752            cx.subscribe(&worktree_store, Self::on_worktree_store_event)
1753                .detach();
1754
1755            cx.subscribe(&buffer_store, Self::on_buffer_store_event)
1756                .detach();
1757            cx.subscribe(&lsp_store, Self::on_lsp_store_event).detach();
1758            cx.subscribe(&settings_observer, Self::on_settings_observer_event)
1759                .detach();
1760
1761            cx.subscribe(&dap_store, Self::on_dap_store_event).detach();
1762
1763            let mut project = Self {
1764                buffer_ordered_messages_tx: tx,
1765                buffer_store: buffer_store.clone(),
1766                image_store,
1767                worktree_store: worktree_store.clone(),
1768                lsp_store: lsp_store.clone(),
1769                context_server_store,
1770                active_entry: None,
1771                collaborators: Default::default(),
1772                join_project_response_message_id: response.message_id,
1773                languages,
1774                user_store: user_store.clone(),
1775                task_store,
1776                snippets,
1777                fs,
1778                remote_client: None,
1779                settings_observer: settings_observer.clone(),
1780                client_subscriptions: Default::default(),
1781                _subscriptions: vec![cx.on_release(Self::release)],
1782                collab_client: client.clone(),
1783                client_state: ProjectClientState::Remote {
1784                    sharing_has_stopped: false,
1785                    capability: Capability::ReadWrite,
1786                    remote_id,
1787                    replica_id,
1788                },
1789                breakpoint_store: breakpoint_store.clone(),
1790                dap_store: dap_store.clone(),
1791                git_store: git_store.clone(),
1792                agent_server_store,
1793                buffers_needing_diff: Default::default(),
1794                git_diff_debouncer: DebouncedDelay::new(),
1795                terminals: Terminals {
1796                    local_handles: Vec::new(),
1797                },
1798                node: None,
1799                search_history: Self::new_search_history(),
1800                search_included_history: Self::new_search_history(),
1801                search_excluded_history: Self::new_search_history(),
1802                environment,
1803                remotely_created_models: Arc::new(Mutex::new(RemotelyCreatedModels::default())),
1804                toolchain_store: None,
1805                agent_location: None,
1806            };
1807            project.set_role(role, cx);
1808            for worktree in worktrees {
1809                project.add_worktree(&worktree, cx);
1810            }
1811            project
1812        });
1813
1814        let weak_project = project.downgrade();
1815        lsp_store.update(&mut cx, |lsp_store, cx| {
1816            lsp_store.set_language_server_statuses_from_proto(
1817                weak_project,
1818                response.payload.language_servers,
1819                response.payload.language_server_capabilities,
1820                cx,
1821            );
1822        });
1823
1824        let subscriptions = subscriptions
1825            .into_iter()
1826            .map(|s| match s {
1827                EntitySubscription::BufferStore(subscription) => {
1828                    subscription.set_entity(&buffer_store, &cx)
1829                }
1830                EntitySubscription::WorktreeStore(subscription) => {
1831                    subscription.set_entity(&worktree_store, &cx)
1832                }
1833                EntitySubscription::GitStore(subscription) => {
1834                    subscription.set_entity(&git_store, &cx)
1835                }
1836                EntitySubscription::SettingsObserver(subscription) => {
1837                    subscription.set_entity(&settings_observer, &cx)
1838                }
1839                EntitySubscription::Project(subscription) => subscription.set_entity(&project, &cx),
1840                EntitySubscription::LspStore(subscription) => {
1841                    subscription.set_entity(&lsp_store, &cx)
1842                }
1843                EntitySubscription::DapStore(subscription) => {
1844                    subscription.set_entity(&dap_store, &cx)
1845                }
1846                EntitySubscription::BreakpointStore(subscription) => {
1847                    subscription.set_entity(&breakpoint_store, &cx)
1848                }
1849            })
1850            .collect::<Vec<_>>();
1851
1852        let user_ids = response
1853            .payload
1854            .collaborators
1855            .iter()
1856            .map(|peer| peer.user_id)
1857            .collect();
1858        user_store
1859            .update(&mut cx, |user_store, cx| user_store.get_users(user_ids, cx))
1860            .await?;
1861
1862        project.update(&mut cx, |this, cx| {
1863            this.set_collaborators_from_proto(response.payload.collaborators, cx)?;
1864            this.client_subscriptions.extend(subscriptions);
1865            anyhow::Ok(())
1866        })?;
1867
1868        Ok(project)
1869    }
1870
1871    fn new_search_history() -> SearchHistory {
1872        SearchHistory::new(
1873            Some(MAX_PROJECT_SEARCH_HISTORY_SIZE),
1874            search_history::QueryInsertionBehavior::AlwaysInsert,
1875        )
1876    }
1877
1878    fn release(&mut self, cx: &mut App) {
1879        if let Some(client) = self.remote_client.take() {
1880            let shutdown = client.update(cx, |client, cx| {
1881                client.shutdown_processes(
1882                    Some(proto::ShutdownRemoteServer {}),
1883                    cx.background_executor().clone(),
1884                )
1885            });
1886
1887            cx.background_spawn(async move {
1888                if let Some(shutdown) = shutdown {
1889                    shutdown.await;
1890                }
1891            })
1892            .detach()
1893        }
1894
1895        match &self.client_state {
1896            ProjectClientState::Local => {}
1897            ProjectClientState::Shared { .. } => {
1898                let _ = self.unshare_internal(cx);
1899            }
1900            ProjectClientState::Remote { remote_id, .. } => {
1901                let _ = self.collab_client.send(proto::LeaveProject {
1902                    project_id: *remote_id,
1903                });
1904                self.disconnected_from_host_internal(cx);
1905            }
1906        }
1907    }
1908
1909    #[cfg(feature = "test-support")]
1910    pub async fn example(
1911        root_paths: impl IntoIterator<Item = &Path>,
1912        cx: &mut AsyncApp,
1913    ) -> Entity<Project> {
1914        use clock::FakeSystemClock;
1915
1916        let fs = Arc::new(RealFs::new(None, cx.background_executor().clone()));
1917        let languages = LanguageRegistry::test(cx.background_executor().clone());
1918        let clock = Arc::new(FakeSystemClock::new());
1919        let http_client = http_client::FakeHttpClient::with_404_response();
1920        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1921        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1922        let project = cx.update(|cx| {
1923            Project::local(
1924                client,
1925                node_runtime::NodeRuntime::unavailable(),
1926                user_store,
1927                Arc::new(languages),
1928                fs,
1929                None,
1930                LocalProjectFlags {
1931                    init_worktree_trust: false,
1932                    ..Default::default()
1933                },
1934                cx,
1935            )
1936        });
1937        for path in root_paths {
1938            let (tree, _): (Entity<Worktree>, _) = project
1939                .update(cx, |project, cx| {
1940                    project.find_or_create_worktree(path, true, cx)
1941                })
1942                .await
1943                .unwrap();
1944            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
1945                .await;
1946        }
1947        project
1948    }
1949
1950    #[cfg(feature = "test-support")]
1951    pub async fn test(
1952        fs: Arc<dyn Fs>,
1953        root_paths: impl IntoIterator<Item = &Path>,
1954        cx: &mut gpui::TestAppContext,
1955    ) -> Entity<Project> {
1956        Self::test_project(fs, root_paths, false, cx).await
1957    }
1958
1959    #[cfg(feature = "test-support")]
1960    pub async fn test_with_worktree_trust(
1961        fs: Arc<dyn Fs>,
1962        root_paths: impl IntoIterator<Item = &Path>,
1963        cx: &mut gpui::TestAppContext,
1964    ) -> Entity<Project> {
1965        Self::test_project(fs, root_paths, true, cx).await
1966    }
1967
1968    #[cfg(feature = "test-support")]
1969    async fn test_project(
1970        fs: Arc<dyn Fs>,
1971        root_paths: impl IntoIterator<Item = &Path>,
1972        init_worktree_trust: bool,
1973        cx: &mut gpui::TestAppContext,
1974    ) -> Entity<Project> {
1975        use clock::FakeSystemClock;
1976
1977        let languages = LanguageRegistry::test(cx.executor());
1978        let clock = Arc::new(FakeSystemClock::new());
1979        let http_client = http_client::FakeHttpClient::with_404_response();
1980        let client = cx.update(|cx| client::Client::new(clock, http_client.clone(), cx));
1981        let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
1982        let project = cx.update(|cx| {
1983            Project::local(
1984                client,
1985                node_runtime::NodeRuntime::unavailable(),
1986                user_store,
1987                Arc::new(languages),
1988                fs,
1989                None,
1990                LocalProjectFlags {
1991                    init_worktree_trust,
1992                    ..Default::default()
1993                },
1994                cx,
1995            )
1996        });
1997        for path in root_paths {
1998            let (tree, _) = project
1999                .update(cx, |project, cx| {
2000                    project.find_or_create_worktree(path, true, cx)
2001                })
2002                .await
2003                .unwrap();
2004
2005            tree.read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
2006                .await;
2007        }
2008        project
2009    }
2010
2011    #[inline]
2012    pub fn dap_store(&self) -> Entity<DapStore> {
2013        self.dap_store.clone()
2014    }
2015
2016    #[inline]
2017    pub fn breakpoint_store(&self) -> Entity<BreakpointStore> {
2018        self.breakpoint_store.clone()
2019    }
2020
2021    pub fn active_debug_session(&self, cx: &App) -> Option<(Entity<Session>, ActiveStackFrame)> {
2022        let active_position = self.breakpoint_store.read(cx).active_position()?;
2023        let session = self
2024            .dap_store
2025            .read(cx)
2026            .session_by_id(active_position.session_id)?;
2027        Some((session, active_position.clone()))
2028    }
2029
2030    #[inline]
2031    pub fn lsp_store(&self) -> Entity<LspStore> {
2032        self.lsp_store.clone()
2033    }
2034
2035    #[inline]
2036    pub fn worktree_store(&self) -> Entity<WorktreeStore> {
2037        self.worktree_store.clone()
2038    }
2039
2040    #[inline]
2041    pub fn context_server_store(&self) -> Entity<ContextServerStore> {
2042        self.context_server_store.clone()
2043    }
2044
2045    #[inline]
2046    pub fn buffer_for_id(&self, remote_id: BufferId, cx: &App) -> Option<Entity<Buffer>> {
2047        self.buffer_store.read(cx).get(remote_id)
2048    }
2049
2050    #[inline]
2051    pub fn languages(&self) -> &Arc<LanguageRegistry> {
2052        &self.languages
2053    }
2054
2055    #[inline]
2056    pub fn client(&self) -> Arc<Client> {
2057        self.collab_client.clone()
2058    }
2059
2060    #[inline]
2061    pub fn remote_client(&self) -> Option<Entity<RemoteClient>> {
2062        self.remote_client.clone()
2063    }
2064
2065    #[inline]
2066    pub fn user_store(&self) -> Entity<UserStore> {
2067        self.user_store.clone()
2068    }
2069
2070    #[inline]
2071    pub fn node_runtime(&self) -> Option<&NodeRuntime> {
2072        self.node.as_ref()
2073    }
2074
2075    #[inline]
2076    pub fn opened_buffers(&self, cx: &App) -> Vec<Entity<Buffer>> {
2077        self.buffer_store.read(cx).buffers().collect()
2078    }
2079
2080    #[inline]
2081    pub fn environment(&self) -> &Entity<ProjectEnvironment> {
2082        &self.environment
2083    }
2084
2085    #[inline]
2086    pub fn cli_environment(&self, cx: &App) -> Option<HashMap<String, String>> {
2087        self.environment.read(cx).get_cli_environment()
2088    }
2089
2090    #[inline]
2091    pub fn peek_environment_error<'a>(&'a self, cx: &'a App) -> Option<&'a String> {
2092        self.environment.read(cx).peek_environment_error()
2093    }
2094
2095    #[inline]
2096    pub fn pop_environment_error(&mut self, cx: &mut Context<Self>) {
2097        self.environment.update(cx, |environment, _| {
2098            environment.pop_environment_error();
2099        });
2100    }
2101
2102    #[cfg(feature = "test-support")]
2103    #[inline]
2104    pub fn has_open_buffer(&self, path: impl Into<ProjectPath>, cx: &App) -> bool {
2105        self.buffer_store
2106            .read(cx)
2107            .get_by_path(&path.into())
2108            .is_some()
2109    }
2110
2111    #[inline]
2112    pub fn fs(&self) -> &Arc<dyn Fs> {
2113        &self.fs
2114    }
2115
2116    #[inline]
2117    pub fn remote_id(&self) -> Option<u64> {
2118        match self.client_state {
2119            ProjectClientState::Local => None,
2120            ProjectClientState::Shared { remote_id, .. }
2121            | ProjectClientState::Remote { remote_id, .. } => Some(remote_id),
2122        }
2123    }
2124
2125    #[inline]
2126    pub fn supports_terminal(&self, _cx: &App) -> bool {
2127        if self.is_local() {
2128            return true;
2129        }
2130        if self.is_via_remote_server() {
2131            return true;
2132        }
2133
2134        false
2135    }
2136
2137    #[inline]
2138    pub fn remote_connection_state(&self, cx: &App) -> Option<remote::ConnectionState> {
2139        self.remote_client
2140            .as_ref()
2141            .map(|remote| remote.read(cx).connection_state())
2142    }
2143
2144    #[inline]
2145    pub fn remote_connection_options(&self, cx: &App) -> Option<RemoteConnectionOptions> {
2146        self.remote_client
2147            .as_ref()
2148            .map(|remote| remote.read(cx).connection_options())
2149    }
2150
2151    /// Reveals the given path in the system file manager.
2152    ///
2153    /// On Windows with a WSL remote connection, this converts the POSIX path
2154    /// to a Windows UNC path before revealing.
2155    pub fn reveal_path(&self, path: &Path, cx: &mut Context<Self>) {
2156        #[cfg(target_os = "windows")]
2157        if let Some(RemoteConnectionOptions::Wsl(wsl_options)) = self.remote_connection_options(cx)
2158        {
2159            let path = path.to_path_buf();
2160            cx.spawn(async move |_, cx| {
2161                wsl_path_to_windows_path(&wsl_options, &path)
2162                    .await
2163                    .map(|windows_path| cx.update(|cx| cx.reveal_path(&windows_path)))
2164            })
2165            .detach_and_log_err(cx);
2166            return;
2167        }
2168
2169        cx.reveal_path(path);
2170    }
2171
2172    #[inline]
2173    pub fn replica_id(&self) -> ReplicaId {
2174        match self.client_state {
2175            ProjectClientState::Remote { replica_id, .. } => replica_id,
2176            _ => {
2177                if self.remote_client.is_some() {
2178                    ReplicaId::REMOTE_SERVER
2179                } else {
2180                    ReplicaId::LOCAL
2181                }
2182            }
2183        }
2184    }
2185
2186    #[inline]
2187    pub fn task_store(&self) -> &Entity<TaskStore> {
2188        &self.task_store
2189    }
2190
2191    #[inline]
2192    pub fn snippets(&self) -> &Entity<SnippetProvider> {
2193        &self.snippets
2194    }
2195
2196    #[inline]
2197    pub fn search_history(&self, kind: SearchInputKind) -> &SearchHistory {
2198        match kind {
2199            SearchInputKind::Query => &self.search_history,
2200            SearchInputKind::Include => &self.search_included_history,
2201            SearchInputKind::Exclude => &self.search_excluded_history,
2202        }
2203    }
2204
2205    #[inline]
2206    pub fn search_history_mut(&mut self, kind: SearchInputKind) -> &mut SearchHistory {
2207        match kind {
2208            SearchInputKind::Query => &mut self.search_history,
2209            SearchInputKind::Include => &mut self.search_included_history,
2210            SearchInputKind::Exclude => &mut self.search_excluded_history,
2211        }
2212    }
2213
2214    #[inline]
2215    pub fn collaborators(&self) -> &HashMap<proto::PeerId, Collaborator> {
2216        &self.collaborators
2217    }
2218
2219    #[inline]
2220    pub fn host(&self) -> Option<&Collaborator> {
2221        self.collaborators.values().find(|c| c.is_host)
2222    }
2223
2224    #[inline]
2225    pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool, cx: &mut App) {
2226        self.worktree_store.update(cx, |store, _| {
2227            store.set_worktrees_reordered(worktrees_reordered);
2228        });
2229    }
2230
2231    /// Collect all worktrees, including ones that don't appear in the project panel
2232    #[inline]
2233    pub fn worktrees<'a>(
2234        &self,
2235        cx: &'a App,
2236    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2237        self.worktree_store.read(cx).worktrees()
2238    }
2239
2240    /// Collect all user-visible worktrees, the ones that appear in the project panel.
2241    #[inline]
2242    pub fn visible_worktrees<'a>(
2243        &'a self,
2244        cx: &'a App,
2245    ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
2246        self.worktree_store.read(cx).visible_worktrees(cx)
2247    }
2248
2249    #[inline]
2250    pub fn worktree_for_root_name(&self, root_name: &str, cx: &App) -> Option<Entity<Worktree>> {
2251        self.visible_worktrees(cx)
2252            .find(|tree| tree.read(cx).root_name() == root_name)
2253    }
2254
2255    #[inline]
2256    pub fn worktree_root_names<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = &'a str> {
2257        self.visible_worktrees(cx)
2258            .map(|tree| tree.read(cx).root_name().as_unix_str())
2259    }
2260
2261    #[inline]
2262    pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
2263        self.worktree_store.read(cx).worktree_for_id(id, cx)
2264    }
2265
2266    pub fn worktree_for_entry(
2267        &self,
2268        entry_id: ProjectEntryId,
2269        cx: &App,
2270    ) -> Option<Entity<Worktree>> {
2271        self.worktree_store
2272            .read(cx)
2273            .worktree_for_entry(entry_id, cx)
2274    }
2275
2276    #[inline]
2277    pub fn worktree_id_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<WorktreeId> {
2278        self.worktree_for_entry(entry_id, cx)
2279            .map(|worktree| worktree.read(cx).id())
2280    }
2281
2282    /// Checks if the entry is the root of a worktree.
2283    #[inline]
2284    pub fn entry_is_worktree_root(&self, entry_id: ProjectEntryId, cx: &App) -> bool {
2285        self.worktree_for_entry(entry_id, cx)
2286            .map(|worktree| {
2287                worktree
2288                    .read(cx)
2289                    .root_entry()
2290                    .is_some_and(|e| e.id == entry_id)
2291            })
2292            .unwrap_or(false)
2293    }
2294
2295    #[inline]
2296    pub fn project_path_git_status(
2297        &self,
2298        project_path: &ProjectPath,
2299        cx: &App,
2300    ) -> Option<FileStatus> {
2301        self.git_store
2302            .read(cx)
2303            .project_path_git_status(project_path, cx)
2304    }
2305
2306    #[inline]
2307    pub fn visibility_for_paths(
2308        &self,
2309        paths: &[PathBuf],
2310        metadatas: &[Metadata],
2311        exclude_sub_dirs: bool,
2312        cx: &App,
2313    ) -> Option<bool> {
2314        paths
2315            .iter()
2316            .zip(metadatas)
2317            .map(|(path, metadata)| self.visibility_for_path(path, metadata, exclude_sub_dirs, cx))
2318            .max()
2319            .flatten()
2320    }
2321
2322    pub fn visibility_for_path(
2323        &self,
2324        path: &Path,
2325        metadata: &Metadata,
2326        exclude_sub_dirs: bool,
2327        cx: &App,
2328    ) -> Option<bool> {
2329        let path = SanitizedPath::new(path).as_path();
2330        self.worktrees(cx)
2331            .filter_map(|worktree| {
2332                let worktree = worktree.read(cx);
2333                let abs_path = worktree.as_local()?.abs_path();
2334                let contains = path == abs_path.as_ref()
2335                    || (path.starts_with(abs_path) && (!exclude_sub_dirs || !metadata.is_dir));
2336                contains.then(|| worktree.is_visible())
2337            })
2338            .max()
2339    }
2340
2341    pub fn create_entry(
2342        &mut self,
2343        project_path: impl Into<ProjectPath>,
2344        is_directory: bool,
2345        cx: &mut Context<Self>,
2346    ) -> Task<Result<CreatedEntry>> {
2347        let project_path = project_path.into();
2348        let Some(worktree) = self.worktree_for_id(project_path.worktree_id, cx) else {
2349            return Task::ready(Err(anyhow!(format!(
2350                "No worktree for path {project_path:?}"
2351            ))));
2352        };
2353        worktree.update(cx, |worktree, cx| {
2354            worktree.create_entry(project_path.path, is_directory, None, cx)
2355        })
2356    }
2357
2358    #[inline]
2359    pub fn copy_entry(
2360        &mut self,
2361        entry_id: ProjectEntryId,
2362        new_project_path: ProjectPath,
2363        cx: &mut Context<Self>,
2364    ) -> Task<Result<Option<Entry>>> {
2365        self.worktree_store.update(cx, |worktree_store, cx| {
2366            worktree_store.copy_entry(entry_id, new_project_path, cx)
2367        })
2368    }
2369
2370    /// Renames the project entry with given `entry_id`.
2371    ///
2372    /// `new_path` is a relative path to worktree root.
2373    /// If root entry is renamed then its new root name is used instead.
2374    pub fn rename_entry(
2375        &mut self,
2376        entry_id: ProjectEntryId,
2377        new_path: ProjectPath,
2378        cx: &mut Context<Self>,
2379    ) -> Task<Result<CreatedEntry>> {
2380        let worktree_store = self.worktree_store.clone();
2381        let Some((worktree, old_path, is_dir)) = worktree_store
2382            .read(cx)
2383            .worktree_and_entry_for_id(entry_id, cx)
2384            .map(|(worktree, entry)| (worktree, entry.path.clone(), entry.is_dir()))
2385        else {
2386            return Task::ready(Err(anyhow!(format!("No worktree for entry {entry_id:?}"))));
2387        };
2388
2389        let worktree_id = worktree.read(cx).id();
2390        let is_root_entry = self.entry_is_worktree_root(entry_id, cx);
2391
2392        let lsp_store = self.lsp_store().downgrade();
2393        cx.spawn(async move |project, cx| {
2394            let (old_abs_path, new_abs_path) = {
2395                let root_path = worktree.read_with(cx, |this, _| this.abs_path());
2396                let new_abs_path = if is_root_entry {
2397                    root_path
2398                        .parent()
2399                        .unwrap()
2400                        .join(new_path.path.as_std_path())
2401                } else {
2402                    root_path.join(&new_path.path.as_std_path())
2403                };
2404                (root_path.join(old_path.as_std_path()), new_abs_path)
2405            };
2406            let transaction = LspStore::will_rename_entry(
2407                lsp_store.clone(),
2408                worktree_id,
2409                &old_abs_path,
2410                &new_abs_path,
2411                is_dir,
2412                cx.clone(),
2413            )
2414            .await;
2415
2416            let entry = worktree_store
2417                .update(cx, |worktree_store, cx| {
2418                    worktree_store.rename_entry(entry_id, new_path.clone(), cx)
2419                })
2420                .await?;
2421
2422            project
2423                .update(cx, |_, cx| {
2424                    cx.emit(Event::EntryRenamed(
2425                        transaction,
2426                        new_path.clone(),
2427                        new_abs_path.clone(),
2428                    ));
2429                })
2430                .ok();
2431
2432            lsp_store
2433                .read_with(cx, |this, _| {
2434                    this.did_rename_entry(worktree_id, &old_abs_path, &new_abs_path, is_dir);
2435                })
2436                .ok();
2437            Ok(entry)
2438        })
2439    }
2440
2441    #[inline]
2442    pub fn delete_file(
2443        &mut self,
2444        path: ProjectPath,
2445        trash: bool,
2446        cx: &mut Context<Self>,
2447    ) -> Option<Task<Result<()>>> {
2448        let entry = self.entry_for_path(&path, cx)?;
2449        self.delete_entry(entry.id, trash, cx)
2450    }
2451
2452    #[inline]
2453    pub fn delete_entry(
2454        &mut self,
2455        entry_id: ProjectEntryId,
2456        trash: bool,
2457        cx: &mut Context<Self>,
2458    ) -> Option<Task<Result<()>>> {
2459        let worktree = self.worktree_for_entry(entry_id, cx)?;
2460        cx.emit(Event::DeletedEntry(worktree.read(cx).id(), entry_id));
2461        worktree.update(cx, |worktree, cx| {
2462            worktree.delete_entry(entry_id, trash, cx)
2463        })
2464    }
2465
2466    #[inline]
2467    pub fn expand_entry(
2468        &mut self,
2469        worktree_id: WorktreeId,
2470        entry_id: ProjectEntryId,
2471        cx: &mut Context<Self>,
2472    ) -> Option<Task<Result<()>>> {
2473        let worktree = self.worktree_for_id(worktree_id, cx)?;
2474        worktree.update(cx, |worktree, cx| worktree.expand_entry(entry_id, cx))
2475    }
2476
2477    pub fn expand_all_for_entry(
2478        &mut self,
2479        worktree_id: WorktreeId,
2480        entry_id: ProjectEntryId,
2481        cx: &mut Context<Self>,
2482    ) -> Option<Task<Result<()>>> {
2483        let worktree = self.worktree_for_id(worktree_id, cx)?;
2484        let task = worktree.update(cx, |worktree, cx| {
2485            worktree.expand_all_for_entry(entry_id, cx)
2486        });
2487        Some(cx.spawn(async move |this, cx| {
2488            task.context("no task")?.await?;
2489            this.update(cx, |_, cx| {
2490                cx.emit(Event::ExpandedAllForEntry(worktree_id, entry_id));
2491            })?;
2492            Ok(())
2493        }))
2494    }
2495
2496    pub fn shared(&mut self, project_id: u64, cx: &mut Context<Self>) -> Result<()> {
2497        anyhow::ensure!(
2498            matches!(self.client_state, ProjectClientState::Local),
2499            "project was already shared"
2500        );
2501
2502        self.client_subscriptions.extend([
2503            self.collab_client
2504                .subscribe_to_entity(project_id)?
2505                .set_entity(&cx.entity(), &cx.to_async()),
2506            self.collab_client
2507                .subscribe_to_entity(project_id)?
2508                .set_entity(&self.worktree_store, &cx.to_async()),
2509            self.collab_client
2510                .subscribe_to_entity(project_id)?
2511                .set_entity(&self.buffer_store, &cx.to_async()),
2512            self.collab_client
2513                .subscribe_to_entity(project_id)?
2514                .set_entity(&self.lsp_store, &cx.to_async()),
2515            self.collab_client
2516                .subscribe_to_entity(project_id)?
2517                .set_entity(&self.settings_observer, &cx.to_async()),
2518            self.collab_client
2519                .subscribe_to_entity(project_id)?
2520                .set_entity(&self.dap_store, &cx.to_async()),
2521            self.collab_client
2522                .subscribe_to_entity(project_id)?
2523                .set_entity(&self.breakpoint_store, &cx.to_async()),
2524            self.collab_client
2525                .subscribe_to_entity(project_id)?
2526                .set_entity(&self.git_store, &cx.to_async()),
2527        ]);
2528
2529        self.buffer_store.update(cx, |buffer_store, cx| {
2530            buffer_store.shared(project_id, self.collab_client.clone().into(), cx)
2531        });
2532        self.worktree_store.update(cx, |worktree_store, cx| {
2533            worktree_store.shared(project_id, self.collab_client.clone().into(), cx);
2534        });
2535        self.lsp_store.update(cx, |lsp_store, cx| {
2536            lsp_store.shared(project_id, self.collab_client.clone().into(), cx)
2537        });
2538        self.breakpoint_store.update(cx, |breakpoint_store, _| {
2539            breakpoint_store.shared(project_id, self.collab_client.clone().into())
2540        });
2541        self.dap_store.update(cx, |dap_store, cx| {
2542            dap_store.shared(project_id, self.collab_client.clone().into(), cx);
2543        });
2544        self.task_store.update(cx, |task_store, cx| {
2545            task_store.shared(project_id, self.collab_client.clone().into(), cx);
2546        });
2547        self.settings_observer.update(cx, |settings_observer, cx| {
2548            settings_observer.shared(project_id, self.collab_client.clone().into(), cx)
2549        });
2550        self.git_store.update(cx, |git_store, cx| {
2551            git_store.shared(project_id, self.collab_client.clone().into(), cx)
2552        });
2553
2554        self.client_state = ProjectClientState::Shared {
2555            remote_id: project_id,
2556        };
2557
2558        cx.emit(Event::RemoteIdChanged(Some(project_id)));
2559        Ok(())
2560    }
2561
2562    pub fn reshared(
2563        &mut self,
2564        message: proto::ResharedProject,
2565        cx: &mut Context<Self>,
2566    ) -> Result<()> {
2567        self.buffer_store
2568            .update(cx, |buffer_store, _| buffer_store.forget_shared_buffers());
2569        self.set_collaborators_from_proto(message.collaborators, cx)?;
2570
2571        self.worktree_store.update(cx, |worktree_store, cx| {
2572            worktree_store.send_project_updates(cx);
2573        });
2574        if let Some(remote_id) = self.remote_id() {
2575            self.git_store.update(cx, |git_store, cx| {
2576                git_store.shared(remote_id, self.collab_client.clone().into(), cx)
2577            });
2578        }
2579        cx.emit(Event::Reshared);
2580        Ok(())
2581    }
2582
2583    pub fn rejoined(
2584        &mut self,
2585        message: proto::RejoinedProject,
2586        message_id: u32,
2587        cx: &mut Context<Self>,
2588    ) -> Result<()> {
2589        cx.update_global::<SettingsStore, _>(|store, cx| {
2590            for worktree_metadata in &message.worktrees {
2591                store
2592                    .clear_local_settings(WorktreeId::from_proto(worktree_metadata.id), cx)
2593                    .log_err();
2594            }
2595        });
2596
2597        self.join_project_response_message_id = message_id;
2598        self.set_worktrees_from_proto(message.worktrees, cx)?;
2599        self.set_collaborators_from_proto(message.collaborators, cx)?;
2600
2601        let project = cx.weak_entity();
2602        self.lsp_store.update(cx, |lsp_store, cx| {
2603            lsp_store.set_language_server_statuses_from_proto(
2604                project,
2605                message.language_servers,
2606                message.language_server_capabilities,
2607                cx,
2608            )
2609        });
2610        self.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
2611            .unwrap();
2612        cx.emit(Event::Rejoined);
2613        Ok(())
2614    }
2615
2616    #[inline]
2617    pub fn unshare(&mut self, cx: &mut Context<Self>) -> Result<()> {
2618        self.unshare_internal(cx)?;
2619        cx.emit(Event::RemoteIdChanged(None));
2620        Ok(())
2621    }
2622
2623    fn unshare_internal(&mut self, cx: &mut App) -> Result<()> {
2624        anyhow::ensure!(
2625            !self.is_via_collab(),
2626            "attempted to unshare a remote project"
2627        );
2628
2629        if let ProjectClientState::Shared { remote_id, .. } = self.client_state {
2630            self.client_state = ProjectClientState::Local;
2631            self.collaborators.clear();
2632            self.client_subscriptions.clear();
2633            self.worktree_store.update(cx, |store, cx| {
2634                store.unshared(cx);
2635            });
2636            self.buffer_store.update(cx, |buffer_store, cx| {
2637                buffer_store.forget_shared_buffers();
2638                buffer_store.unshared(cx)
2639            });
2640            self.task_store.update(cx, |task_store, cx| {
2641                task_store.unshared(cx);
2642            });
2643            self.breakpoint_store.update(cx, |breakpoint_store, cx| {
2644                breakpoint_store.unshared(cx);
2645            });
2646            self.dap_store.update(cx, |dap_store, cx| {
2647                dap_store.unshared(cx);
2648            });
2649            self.settings_observer.update(cx, |settings_observer, cx| {
2650                settings_observer.unshared(cx);
2651            });
2652            self.git_store.update(cx, |git_store, cx| {
2653                git_store.unshared(cx);
2654            });
2655
2656            self.collab_client
2657                .send(proto::UnshareProject {
2658                    project_id: remote_id,
2659                })
2660                .ok();
2661            Ok(())
2662        } else {
2663            anyhow::bail!("attempted to unshare an unshared project");
2664        }
2665    }
2666
2667    pub fn disconnected_from_host(&mut self, cx: &mut Context<Self>) {
2668        if self.is_disconnected(cx) {
2669            return;
2670        }
2671        self.disconnected_from_host_internal(cx);
2672        cx.emit(Event::DisconnectedFromHost);
2673    }
2674
2675    pub fn set_role(&mut self, role: proto::ChannelRole, cx: &mut Context<Self>) {
2676        let new_capability =
2677            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Admin {
2678                Capability::ReadWrite
2679            } else {
2680                Capability::ReadOnly
2681            };
2682        if let ProjectClientState::Remote { capability, .. } = &mut self.client_state {
2683            if *capability == new_capability {
2684                return;
2685            }
2686
2687            *capability = new_capability;
2688            for buffer in self.opened_buffers(cx) {
2689                buffer.update(cx, |buffer, cx| buffer.set_capability(new_capability, cx));
2690            }
2691        }
2692    }
2693
2694    fn disconnected_from_host_internal(&mut self, cx: &mut App) {
2695        if let ProjectClientState::Remote {
2696            sharing_has_stopped,
2697            ..
2698        } = &mut self.client_state
2699        {
2700            *sharing_has_stopped = true;
2701            self.collaborators.clear();
2702            self.worktree_store.update(cx, |store, cx| {
2703                store.disconnected_from_host(cx);
2704            });
2705            self.buffer_store.update(cx, |buffer_store, cx| {
2706                buffer_store.disconnected_from_host(cx)
2707            });
2708            self.lsp_store
2709                .update(cx, |lsp_store, _cx| lsp_store.disconnected_from_host());
2710        }
2711    }
2712
2713    #[inline]
2714    pub fn close(&mut self, cx: &mut Context<Self>) {
2715        cx.emit(Event::Closed);
2716    }
2717
2718    #[inline]
2719    pub fn is_disconnected(&self, cx: &App) -> bool {
2720        match &self.client_state {
2721            ProjectClientState::Remote {
2722                sharing_has_stopped,
2723                ..
2724            } => *sharing_has_stopped,
2725            ProjectClientState::Local if self.is_via_remote_server() => {
2726                self.remote_client_is_disconnected(cx)
2727            }
2728            _ => false,
2729        }
2730    }
2731
2732    #[inline]
2733    fn remote_client_is_disconnected(&self, cx: &App) -> bool {
2734        self.remote_client
2735            .as_ref()
2736            .map(|remote| remote.read(cx).is_disconnected())
2737            .unwrap_or(false)
2738    }
2739
2740    #[inline]
2741    pub fn capability(&self) -> Capability {
2742        match &self.client_state {
2743            ProjectClientState::Remote { capability, .. } => *capability,
2744            ProjectClientState::Shared { .. } | ProjectClientState::Local => Capability::ReadWrite,
2745        }
2746    }
2747
2748    #[inline]
2749    pub fn is_read_only(&self, cx: &App) -> bool {
2750        self.is_disconnected(cx) || !self.capability().editable()
2751    }
2752
2753    #[inline]
2754    pub fn is_local(&self) -> bool {
2755        match &self.client_state {
2756            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2757                self.remote_client.is_none()
2758            }
2759            ProjectClientState::Remote { .. } => false,
2760        }
2761    }
2762
2763    /// Whether this project is a remote server (not counting collab).
2764    #[inline]
2765    pub fn is_via_remote_server(&self) -> bool {
2766        match &self.client_state {
2767            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2768                self.remote_client.is_some()
2769            }
2770            ProjectClientState::Remote { .. } => false,
2771        }
2772    }
2773
2774    /// Whether this project is from collab (not counting remote servers).
2775    #[inline]
2776    pub fn is_via_collab(&self) -> bool {
2777        match &self.client_state {
2778            ProjectClientState::Local | ProjectClientState::Shared { .. } => false,
2779            ProjectClientState::Remote { .. } => true,
2780        }
2781    }
2782
2783    /// `!self.is_local()`
2784    #[inline]
2785    pub fn is_remote(&self) -> bool {
2786        debug_assert_eq!(
2787            !self.is_local(),
2788            self.is_via_collab() || self.is_via_remote_server()
2789        );
2790        !self.is_local()
2791    }
2792
2793    #[inline]
2794    pub fn is_via_wsl_with_host_interop(&self, cx: &App) -> bool {
2795        match &self.client_state {
2796            ProjectClientState::Local | ProjectClientState::Shared { .. } => {
2797                matches!(
2798                    &self.remote_client, Some(remote_client)
2799                    if remote_client.read(cx).has_wsl_interop()
2800                )
2801            }
2802            _ => false,
2803        }
2804    }
2805
2806    pub fn disable_worktree_scanner(&mut self, cx: &mut Context<Self>) {
2807        self.worktree_store.update(cx, |worktree_store, _cx| {
2808            worktree_store.disable_scanner();
2809        });
2810    }
2811
2812    #[inline]
2813    pub fn create_buffer(
2814        &mut self,
2815        language: Option<Arc<Language>>,
2816        project_searchable: bool,
2817        cx: &mut Context<Self>,
2818    ) -> Task<Result<Entity<Buffer>>> {
2819        self.buffer_store.update(cx, |buffer_store, cx| {
2820            buffer_store.create_buffer(language, project_searchable, cx)
2821        })
2822    }
2823
2824    #[inline]
2825    pub fn create_local_buffer(
2826        &mut self,
2827        text: &str,
2828        language: Option<Arc<Language>>,
2829        project_searchable: bool,
2830        cx: &mut Context<Self>,
2831    ) -> Entity<Buffer> {
2832        if self.is_remote() {
2833            panic!("called create_local_buffer on a remote project")
2834        }
2835        self.buffer_store.update(cx, |buffer_store, cx| {
2836            buffer_store.create_local_buffer(text, language, project_searchable, cx)
2837        })
2838    }
2839
2840    pub fn open_path(
2841        &mut self,
2842        path: ProjectPath,
2843        cx: &mut Context<Self>,
2844    ) -> Task<Result<(Option<ProjectEntryId>, Entity<Buffer>)>> {
2845        let task = self.open_buffer(path, cx);
2846        cx.spawn(async move |_project, cx| {
2847            let buffer = task.await?;
2848            let project_entry_id = buffer.read_with(cx, |buffer, _cx| {
2849                File::from_dyn(buffer.file()).and_then(|file| file.project_entry_id())
2850            });
2851
2852            Ok((project_entry_id, buffer))
2853        })
2854    }
2855
2856    pub fn open_local_buffer(
2857        &mut self,
2858        abs_path: impl AsRef<Path>,
2859        cx: &mut Context<Self>,
2860    ) -> Task<Result<Entity<Buffer>>> {
2861        let worktree_task = self.find_or_create_worktree(abs_path.as_ref(), false, cx);
2862        cx.spawn(async move |this, cx| {
2863            let (worktree, relative_path) = worktree_task.await?;
2864            this.update(cx, |this, cx| {
2865                this.open_buffer((worktree.read(cx).id(), relative_path), cx)
2866            })?
2867            .await
2868        })
2869    }
2870
2871    #[cfg(feature = "test-support")]
2872    pub fn open_local_buffer_with_lsp(
2873        &mut self,
2874        abs_path: impl AsRef<Path>,
2875        cx: &mut Context<Self>,
2876    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2877        if let Some((worktree, relative_path)) = self.find_worktree(abs_path.as_ref(), cx) {
2878            self.open_buffer_with_lsp((worktree.read(cx).id(), relative_path), cx)
2879        } else {
2880            Task::ready(Err(anyhow!("no such path")))
2881        }
2882    }
2883
2884    #[ztracing::instrument(skip_all)]
2885    pub fn open_buffer(
2886        &mut self,
2887        path: impl Into<ProjectPath>,
2888        cx: &mut App,
2889    ) -> Task<Result<Entity<Buffer>>> {
2890        if self.is_disconnected(cx) {
2891            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2892        }
2893
2894        self.buffer_store.update(cx, |buffer_store, cx| {
2895            buffer_store.open_buffer(path.into(), cx)
2896        })
2897    }
2898
2899    #[cfg(feature = "test-support")]
2900    pub fn open_buffer_with_lsp(
2901        &mut self,
2902        path: impl Into<ProjectPath>,
2903        cx: &mut Context<Self>,
2904    ) -> Task<Result<(Entity<Buffer>, lsp_store::OpenLspBufferHandle)>> {
2905        let buffer = self.open_buffer(path, cx);
2906        cx.spawn(async move |this, cx| {
2907            let buffer = buffer.await?;
2908            let handle = this.update(cx, |project, cx| {
2909                project.register_buffer_with_language_servers(&buffer, cx)
2910            })?;
2911            Ok((buffer, handle))
2912        })
2913    }
2914
2915    pub fn register_buffer_with_language_servers(
2916        &self,
2917        buffer: &Entity<Buffer>,
2918        cx: &mut App,
2919    ) -> OpenLspBufferHandle {
2920        self.lsp_store.update(cx, |lsp_store, cx| {
2921            lsp_store.register_buffer_with_language_servers(buffer, HashSet::default(), false, cx)
2922        })
2923    }
2924
2925    pub fn open_unstaged_diff(
2926        &mut self,
2927        buffer: Entity<Buffer>,
2928        cx: &mut Context<Self>,
2929    ) -> Task<Result<Entity<BufferDiff>>> {
2930        if self.is_disconnected(cx) {
2931            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2932        }
2933        self.git_store
2934            .update(cx, |git_store, cx| git_store.open_unstaged_diff(buffer, cx))
2935    }
2936
2937    #[ztracing::instrument(skip_all)]
2938    pub fn open_uncommitted_diff(
2939        &mut self,
2940        buffer: Entity<Buffer>,
2941        cx: &mut Context<Self>,
2942    ) -> Task<Result<Entity<BufferDiff>>> {
2943        if self.is_disconnected(cx) {
2944            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
2945        }
2946        self.git_store.update(cx, |git_store, cx| {
2947            git_store.open_uncommitted_diff(buffer, cx)
2948        })
2949    }
2950
2951    pub fn open_buffer_by_id(
2952        &mut self,
2953        id: BufferId,
2954        cx: &mut Context<Self>,
2955    ) -> Task<Result<Entity<Buffer>>> {
2956        if let Some(buffer) = self.buffer_for_id(id, cx) {
2957            Task::ready(Ok(buffer))
2958        } else if self.is_local() || self.is_via_remote_server() {
2959            Task::ready(Err(anyhow!("buffer {id} does not exist")))
2960        } else if let Some(project_id) = self.remote_id() {
2961            let request = self.collab_client.request(proto::OpenBufferById {
2962                project_id,
2963                id: id.into(),
2964            });
2965            cx.spawn(async move |project, cx| {
2966                let buffer_id = BufferId::new(request.await?.buffer_id)?;
2967                project
2968                    .update(cx, |project, cx| {
2969                        project.buffer_store.update(cx, |buffer_store, cx| {
2970                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
2971                        })
2972                    })?
2973                    .await
2974            })
2975        } else {
2976            Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
2977        }
2978    }
2979
2980    pub fn save_buffers(
2981        &self,
2982        buffers: HashSet<Entity<Buffer>>,
2983        cx: &mut Context<Self>,
2984    ) -> Task<Result<()>> {
2985        cx.spawn(async move |this, cx| {
2986            let save_tasks = buffers.into_iter().filter_map(|buffer| {
2987                this.update(cx, |this, cx| this.save_buffer(buffer, cx))
2988                    .ok()
2989            });
2990            try_join_all(save_tasks).await?;
2991            Ok(())
2992        })
2993    }
2994
2995    pub fn save_buffer(&self, buffer: Entity<Buffer>, cx: &mut Context<Self>) -> Task<Result<()>> {
2996        self.buffer_store
2997            .update(cx, |buffer_store, cx| buffer_store.save_buffer(buffer, cx))
2998    }
2999
3000    pub fn save_buffer_as(
3001        &mut self,
3002        buffer: Entity<Buffer>,
3003        path: ProjectPath,
3004        cx: &mut Context<Self>,
3005    ) -> Task<Result<()>> {
3006        self.buffer_store.update(cx, |buffer_store, cx| {
3007            buffer_store.save_buffer_as(buffer.clone(), path, cx)
3008        })
3009    }
3010
3011    pub fn get_open_buffer(&self, path: &ProjectPath, cx: &App) -> Option<Entity<Buffer>> {
3012        self.buffer_store.read(cx).get_by_path(path)
3013    }
3014
3015    fn register_buffer(&mut self, buffer: &Entity<Buffer>, cx: &mut Context<Self>) -> Result<()> {
3016        {
3017            let mut remotely_created_models = self.remotely_created_models.lock();
3018            if remotely_created_models.retain_count > 0 {
3019                remotely_created_models.buffers.push(buffer.clone())
3020            }
3021        }
3022
3023        self.request_buffer_diff_recalculation(buffer, cx);
3024
3025        cx.subscribe(buffer, |this, buffer, event, cx| {
3026            this.on_buffer_event(buffer, event, cx);
3027        })
3028        .detach();
3029
3030        Ok(())
3031    }
3032
3033    pub fn open_image(
3034        &mut self,
3035        path: impl Into<ProjectPath>,
3036        cx: &mut Context<Self>,
3037    ) -> Task<Result<Entity<ImageItem>>> {
3038        if self.is_disconnected(cx) {
3039            return Task::ready(Err(anyhow!(ErrorCode::Disconnected)));
3040        }
3041
3042        let open_image_task = self.image_store.update(cx, |image_store, cx| {
3043            image_store.open_image(path.into(), cx)
3044        });
3045
3046        let weak_project = cx.entity().downgrade();
3047        cx.spawn(async move |_, cx| {
3048            let image_item = open_image_task.await?;
3049
3050            // Check if metadata already exists (e.g., for remote images)
3051            let needs_metadata =
3052                cx.read_entity(&image_item, |item, _| item.image_metadata.is_none());
3053
3054            if needs_metadata {
3055                let project = weak_project.upgrade().context("Project dropped")?;
3056                let metadata =
3057                    ImageItem::load_image_metadata(image_item.clone(), project, cx).await?;
3058                image_item.update(cx, |image_item, cx| {
3059                    image_item.image_metadata = Some(metadata);
3060                    cx.emit(ImageItemEvent::MetadataUpdated);
3061                });
3062            }
3063
3064            Ok(image_item)
3065        })
3066    }
3067
3068    async fn send_buffer_ordered_messages(
3069        project: WeakEntity<Self>,
3070        rx: UnboundedReceiver<BufferOrderedMessage>,
3071        cx: &mut AsyncApp,
3072    ) -> Result<()> {
3073        const MAX_BATCH_SIZE: usize = 128;
3074
3075        let mut operations_by_buffer_id = HashMap::default();
3076        async fn flush_operations(
3077            this: &WeakEntity<Project>,
3078            operations_by_buffer_id: &mut HashMap<BufferId, Vec<proto::Operation>>,
3079            needs_resync_with_host: &mut bool,
3080            is_local: bool,
3081            cx: &mut AsyncApp,
3082        ) -> Result<()> {
3083            for (buffer_id, operations) in operations_by_buffer_id.drain() {
3084                let request = this.read_with(cx, |this, _| {
3085                    let project_id = this.remote_id()?;
3086                    Some(this.collab_client.request(proto::UpdateBuffer {
3087                        buffer_id: buffer_id.into(),
3088                        project_id,
3089                        operations,
3090                    }))
3091                })?;
3092                if let Some(request) = request
3093                    && request.await.is_err()
3094                    && !is_local
3095                {
3096                    *needs_resync_with_host = true;
3097                    break;
3098                }
3099            }
3100            Ok(())
3101        }
3102
3103        let mut needs_resync_with_host = false;
3104        let mut changes = rx.ready_chunks(MAX_BATCH_SIZE);
3105
3106        while let Some(changes) = changes.next().await {
3107            let is_local = project.read_with(cx, |this, _| this.is_local())?;
3108
3109            for change in changes {
3110                match change {
3111                    BufferOrderedMessage::Operation {
3112                        buffer_id,
3113                        operation,
3114                    } => {
3115                        if needs_resync_with_host {
3116                            continue;
3117                        }
3118
3119                        operations_by_buffer_id
3120                            .entry(buffer_id)
3121                            .or_insert(Vec::new())
3122                            .push(operation);
3123                    }
3124
3125                    BufferOrderedMessage::Resync => {
3126                        operations_by_buffer_id.clear();
3127                        if project
3128                            .update(cx, |this, cx| this.synchronize_remote_buffers(cx))?
3129                            .await
3130                            .is_ok()
3131                        {
3132                            needs_resync_with_host = false;
3133                        }
3134                    }
3135
3136                    BufferOrderedMessage::LanguageServerUpdate {
3137                        language_server_id,
3138                        message,
3139                        name,
3140                    } => {
3141                        flush_operations(
3142                            &project,
3143                            &mut operations_by_buffer_id,
3144                            &mut needs_resync_with_host,
3145                            is_local,
3146                            cx,
3147                        )
3148                        .await?;
3149
3150                        project.read_with(cx, |project, _| {
3151                            if let Some(project_id) = project.remote_id() {
3152                                project
3153                                    .collab_client
3154                                    .send(proto::UpdateLanguageServer {
3155                                        project_id,
3156                                        server_name: name.map(|name| String::from(name.0)),
3157                                        language_server_id: language_server_id.to_proto(),
3158                                        variant: Some(message),
3159                                    })
3160                                    .log_err();
3161                            }
3162                        })?;
3163                    }
3164                }
3165            }
3166
3167            flush_operations(
3168                &project,
3169                &mut operations_by_buffer_id,
3170                &mut needs_resync_with_host,
3171                is_local,
3172                cx,
3173            )
3174            .await?;
3175        }
3176
3177        Ok(())
3178    }
3179
3180    fn on_buffer_store_event(
3181        &mut self,
3182        _: Entity<BufferStore>,
3183        event: &BufferStoreEvent,
3184        cx: &mut Context<Self>,
3185    ) {
3186        match event {
3187            BufferStoreEvent::BufferAdded(buffer) => {
3188                self.register_buffer(buffer, cx).log_err();
3189            }
3190            BufferStoreEvent::BufferDropped(buffer_id) => {
3191                if let Some(ref remote_client) = self.remote_client {
3192                    remote_client
3193                        .read(cx)
3194                        .proto_client()
3195                        .send(proto::CloseBuffer {
3196                            project_id: 0,
3197                            buffer_id: buffer_id.to_proto(),
3198                        })
3199                        .log_err();
3200                }
3201            }
3202            _ => {}
3203        }
3204    }
3205
3206    fn on_image_store_event(
3207        &mut self,
3208        _: Entity<ImageStore>,
3209        event: &ImageStoreEvent,
3210        cx: &mut Context<Self>,
3211    ) {
3212        match event {
3213            ImageStoreEvent::ImageAdded(image) => {
3214                cx.subscribe(image, |this, image, event, cx| {
3215                    this.on_image_event(image, event, cx);
3216                })
3217                .detach();
3218            }
3219        }
3220    }
3221
3222    fn on_dap_store_event(
3223        &mut self,
3224        _: Entity<DapStore>,
3225        event: &DapStoreEvent,
3226        cx: &mut Context<Self>,
3227    ) {
3228        if let DapStoreEvent::Notification(message) = event {
3229            cx.emit(Event::Toast {
3230                notification_id: "dap".into(),
3231                message: message.clone(),
3232                link: None,
3233            });
3234        }
3235    }
3236
3237    fn on_lsp_store_event(
3238        &mut self,
3239        _: Entity<LspStore>,
3240        event: &LspStoreEvent,
3241        cx: &mut Context<Self>,
3242    ) {
3243        match event {
3244            LspStoreEvent::DiagnosticsUpdated { server_id, paths } => {
3245                cx.emit(Event::DiagnosticsUpdated {
3246                    paths: paths.clone(),
3247                    language_server_id: *server_id,
3248                })
3249            }
3250            LspStoreEvent::LanguageServerAdded(server_id, name, worktree_id) => cx.emit(
3251                Event::LanguageServerAdded(*server_id, name.clone(), *worktree_id),
3252            ),
3253            LspStoreEvent::LanguageServerRemoved(server_id) => {
3254                cx.emit(Event::LanguageServerRemoved(*server_id))
3255            }
3256            LspStoreEvent::LanguageServerLog(server_id, log_type, string) => cx.emit(
3257                Event::LanguageServerLog(*server_id, log_type.clone(), string.clone()),
3258            ),
3259            LspStoreEvent::LanguageDetected {
3260                buffer,
3261                new_language,
3262            } => {
3263                let Some(_) = new_language else {
3264                    cx.emit(Event::LanguageNotFound(buffer.clone()));
3265                    return;
3266                };
3267            }
3268            LspStoreEvent::RefreshInlayHints {
3269                server_id,
3270                request_id,
3271            } => cx.emit(Event::RefreshInlayHints {
3272                server_id: *server_id,
3273                request_id: *request_id,
3274            }),
3275            LspStoreEvent::RefreshCodeLens => cx.emit(Event::RefreshCodeLens),
3276            LspStoreEvent::LanguageServerPrompt(prompt) => {
3277                cx.emit(Event::LanguageServerPrompt(prompt.clone()))
3278            }
3279            LspStoreEvent::DiskBasedDiagnosticsStarted { language_server_id } => {
3280                cx.emit(Event::DiskBasedDiagnosticsStarted {
3281                    language_server_id: *language_server_id,
3282                });
3283            }
3284            LspStoreEvent::DiskBasedDiagnosticsFinished { language_server_id } => {
3285                cx.emit(Event::DiskBasedDiagnosticsFinished {
3286                    language_server_id: *language_server_id,
3287                });
3288            }
3289            LspStoreEvent::LanguageServerUpdate {
3290                language_server_id,
3291                name,
3292                message,
3293            } => {
3294                if self.is_local() {
3295                    self.enqueue_buffer_ordered_message(
3296                        BufferOrderedMessage::LanguageServerUpdate {
3297                            language_server_id: *language_server_id,
3298                            message: message.clone(),
3299                            name: name.clone(),
3300                        },
3301                    )
3302                    .ok();
3303                }
3304
3305                match message {
3306                    proto::update_language_server::Variant::MetadataUpdated(update) => {
3307                        self.lsp_store.update(cx, |lsp_store, _| {
3308                            if let Some(capabilities) = update
3309                                .capabilities
3310                                .as_ref()
3311                                .and_then(|capabilities| serde_json::from_str(capabilities).ok())
3312                            {
3313                                lsp_store
3314                                    .lsp_server_capabilities
3315                                    .insert(*language_server_id, capabilities);
3316                            }
3317
3318                            if let Some(language_server_status) = lsp_store
3319                                .language_server_statuses
3320                                .get_mut(language_server_id)
3321                            {
3322                                if let Some(binary) = &update.binary {
3323                                    language_server_status.binary = Some(LanguageServerBinary {
3324                                        path: PathBuf::from(&binary.path),
3325                                        arguments: binary
3326                                            .arguments
3327                                            .iter()
3328                                            .map(OsString::from)
3329                                            .collect(),
3330                                        env: None,
3331                                    });
3332                                }
3333
3334                                language_server_status.configuration = update
3335                                    .configuration
3336                                    .as_ref()
3337                                    .and_then(|config_str| serde_json::from_str(config_str).ok());
3338
3339                                language_server_status.workspace_folders = update
3340                                    .workspace_folders
3341                                    .iter()
3342                                    .filter_map(|uri_str| lsp::Uri::from_str(uri_str).ok())
3343                                    .collect();
3344                            }
3345                        });
3346                    }
3347                    proto::update_language_server::Variant::RegisteredForBuffer(update) => {
3348                        if let Some(buffer_id) = BufferId::new(update.buffer_id).ok() {
3349                            cx.emit(Event::LanguageServerBufferRegistered {
3350                                buffer_id,
3351                                server_id: *language_server_id,
3352                                buffer_abs_path: PathBuf::from(&update.buffer_abs_path),
3353                                name: name.clone(),
3354                            });
3355                        }
3356                    }
3357                    _ => (),
3358                }
3359            }
3360            LspStoreEvent::Notification(message) => cx.emit(Event::Toast {
3361                notification_id: "lsp".into(),
3362                message: message.clone(),
3363                link: None,
3364            }),
3365            LspStoreEvent::SnippetEdit {
3366                buffer_id,
3367                edits,
3368                most_recent_edit,
3369            } => {
3370                if most_recent_edit.replica_id == self.replica_id() {
3371                    cx.emit(Event::SnippetEdit(*buffer_id, edits.clone()))
3372                }
3373            }
3374            LspStoreEvent::WorkspaceEditApplied(transaction) => {
3375                cx.emit(Event::WorkspaceEditApplied(transaction.clone()))
3376            }
3377        }
3378    }
3379
3380    fn on_remote_client_event(
3381        &mut self,
3382        _: Entity<RemoteClient>,
3383        event: &remote::RemoteClientEvent,
3384        cx: &mut Context<Self>,
3385    ) {
3386        match event {
3387            &remote::RemoteClientEvent::Disconnected { server_not_running } => {
3388                self.worktree_store.update(cx, |store, cx| {
3389                    store.disconnected_from_host(cx);
3390                });
3391                self.buffer_store.update(cx, |buffer_store, cx| {
3392                    buffer_store.disconnected_from_host(cx)
3393                });
3394                self.lsp_store.update(cx, |lsp_store, _cx| {
3395                    lsp_store.disconnected_from_ssh_remote()
3396                });
3397                cx.emit(Event::DisconnectedFromRemote { server_not_running });
3398            }
3399        }
3400    }
3401
3402    fn on_settings_observer_event(
3403        &mut self,
3404        _: Entity<SettingsObserver>,
3405        event: &SettingsObserverEvent,
3406        cx: &mut Context<Self>,
3407    ) {
3408        match event {
3409            SettingsObserverEvent::LocalSettingsUpdated(result) => match result {
3410                Err(InvalidSettingsError::LocalSettings { message, path }) => {
3411                    let message = format!("Failed to set local settings in {path:?}:\n{message}");
3412                    cx.emit(Event::Toast {
3413                        notification_id: format!("local-settings-{path:?}").into(),
3414                        link: None,
3415                        message,
3416                    });
3417                }
3418                Ok(path) => cx.emit(Event::HideToast {
3419                    notification_id: format!("local-settings-{path:?}").into(),
3420                }),
3421                Err(_) => {}
3422            },
3423            SettingsObserverEvent::LocalTasksUpdated(result) => match result {
3424                Err(InvalidSettingsError::Tasks { message, path }) => {
3425                    let message = format!("Failed to set local tasks in {path:?}:\n{message}");
3426                    cx.emit(Event::Toast {
3427                        notification_id: format!("local-tasks-{path:?}").into(),
3428                        link: Some(ToastLink {
3429                            label: "Open Tasks Documentation",
3430                            url: "https://zed.dev/docs/tasks",
3431                        }),
3432                        message,
3433                    });
3434                }
3435                Ok(path) => cx.emit(Event::HideToast {
3436                    notification_id: format!("local-tasks-{path:?}").into(),
3437                }),
3438                Err(_) => {}
3439            },
3440            SettingsObserverEvent::LocalDebugScenariosUpdated(result) => match result {
3441                Err(InvalidSettingsError::Debug { message, path }) => {
3442                    let message =
3443                        format!("Failed to set local debug scenarios in {path:?}:\n{message}");
3444                    cx.emit(Event::Toast {
3445                        notification_id: format!("local-debug-scenarios-{path:?}").into(),
3446                        link: None,
3447                        message,
3448                    });
3449                }
3450                Ok(path) => cx.emit(Event::HideToast {
3451                    notification_id: format!("local-debug-scenarios-{path:?}").into(),
3452                }),
3453                Err(_) => {}
3454            },
3455        }
3456    }
3457
3458    fn on_worktree_store_event(
3459        &mut self,
3460        _: Entity<WorktreeStore>,
3461        event: &WorktreeStoreEvent,
3462        cx: &mut Context<Self>,
3463    ) {
3464        match event {
3465            WorktreeStoreEvent::WorktreeAdded(worktree) => {
3466                self.on_worktree_added(worktree, cx);
3467                cx.emit(Event::WorktreeAdded(worktree.read(cx).id()));
3468            }
3469            WorktreeStoreEvent::WorktreeRemoved(_, id) => {
3470                cx.emit(Event::WorktreeRemoved(*id));
3471            }
3472            WorktreeStoreEvent::WorktreeReleased(_, id) => {
3473                self.on_worktree_released(*id, cx);
3474            }
3475            WorktreeStoreEvent::WorktreeOrderChanged => cx.emit(Event::WorktreeOrderChanged),
3476            WorktreeStoreEvent::WorktreeUpdateSent(_) => {}
3477            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, changes) => {
3478                self.client()
3479                    .telemetry()
3480                    .report_discovered_project_type_events(*worktree_id, changes);
3481                cx.emit(Event::WorktreeUpdatedEntries(*worktree_id, changes.clone()))
3482            }
3483            WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, id) => {
3484                cx.emit(Event::DeletedEntry(*worktree_id, *id))
3485            }
3486            // Listen to the GitStore instead.
3487            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(_, _) => {}
3488        }
3489    }
3490
3491    fn on_worktree_added(&mut self, worktree: &Entity<Worktree>, _: &mut Context<Self>) {
3492        let mut remotely_created_models = self.remotely_created_models.lock();
3493        if remotely_created_models.retain_count > 0 {
3494            remotely_created_models.worktrees.push(worktree.clone())
3495        }
3496    }
3497
3498    fn on_worktree_released(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
3499        if let Some(remote) = &self.remote_client {
3500            remote
3501                .read(cx)
3502                .proto_client()
3503                .send(proto::RemoveWorktree {
3504                    worktree_id: id_to_remove.to_proto(),
3505                })
3506                .log_err();
3507        }
3508    }
3509
3510    fn on_buffer_event(
3511        &mut self,
3512        buffer: Entity<Buffer>,
3513        event: &BufferEvent,
3514        cx: &mut Context<Self>,
3515    ) -> Option<()> {
3516        if matches!(event, BufferEvent::Edited | BufferEvent::Reloaded) {
3517            self.request_buffer_diff_recalculation(&buffer, cx);
3518        }
3519
3520        if matches!(event, BufferEvent::Edited) {
3521            cx.emit(Event::BufferEdited);
3522        }
3523
3524        let buffer_id = buffer.read(cx).remote_id();
3525        match event {
3526            BufferEvent::ReloadNeeded => {
3527                if !self.is_via_collab() {
3528                    self.reload_buffers([buffer.clone()].into_iter().collect(), true, cx)
3529                        .detach_and_log_err(cx);
3530                }
3531            }
3532            BufferEvent::Operation {
3533                operation,
3534                is_local: true,
3535            } => {
3536                let operation = language::proto::serialize_operation(operation);
3537
3538                if let Some(remote) = &self.remote_client {
3539                    remote
3540                        .read(cx)
3541                        .proto_client()
3542                        .send(proto::UpdateBuffer {
3543                            project_id: 0,
3544                            buffer_id: buffer_id.to_proto(),
3545                            operations: vec![operation.clone()],
3546                        })
3547                        .ok();
3548                }
3549
3550                self.enqueue_buffer_ordered_message(BufferOrderedMessage::Operation {
3551                    buffer_id,
3552                    operation,
3553                })
3554                .ok();
3555            }
3556
3557            _ => {}
3558        }
3559
3560        None
3561    }
3562
3563    fn on_image_event(
3564        &mut self,
3565        image: Entity<ImageItem>,
3566        event: &ImageItemEvent,
3567        cx: &mut Context<Self>,
3568    ) -> Option<()> {
3569        // TODO: handle image events from remote
3570        if let ImageItemEvent::ReloadNeeded = event
3571            && !self.is_via_collab()
3572        {
3573            self.reload_images([image].into_iter().collect(), cx)
3574                .detach_and_log_err(cx);
3575        }
3576
3577        None
3578    }
3579
3580    fn request_buffer_diff_recalculation(
3581        &mut self,
3582        buffer: &Entity<Buffer>,
3583        cx: &mut Context<Self>,
3584    ) {
3585        self.buffers_needing_diff.insert(buffer.downgrade());
3586        let first_insertion = self.buffers_needing_diff.len() == 1;
3587        let settings = ProjectSettings::get_global(cx);
3588        let delay = settings.git.gutter_debounce;
3589
3590        if delay == 0 {
3591            if first_insertion {
3592                let this = cx.weak_entity();
3593                cx.defer(move |cx| {
3594                    if let Some(this) = this.upgrade() {
3595                        this.update(cx, |this, cx| {
3596                            this.recalculate_buffer_diffs(cx).detach();
3597                        });
3598                    }
3599                });
3600            }
3601            return;
3602        }
3603
3604        const MIN_DELAY: u64 = 50;
3605        let delay = delay.max(MIN_DELAY);
3606        let duration = Duration::from_millis(delay);
3607
3608        self.git_diff_debouncer
3609            .fire_new(duration, cx, move |this, cx| {
3610                this.recalculate_buffer_diffs(cx)
3611            });
3612    }
3613
3614    fn recalculate_buffer_diffs(&mut self, cx: &mut Context<Self>) -> Task<()> {
3615        cx.spawn(async move |this, cx| {
3616            loop {
3617                let task = this
3618                    .update(cx, |this, cx| {
3619                        let buffers = this
3620                            .buffers_needing_diff
3621                            .drain()
3622                            .filter_map(|buffer| buffer.upgrade())
3623                            .collect::<Vec<_>>();
3624                        if buffers.is_empty() {
3625                            None
3626                        } else {
3627                            Some(this.git_store.update(cx, |git_store, cx| {
3628                                git_store.recalculate_buffer_diffs(buffers, cx)
3629                            }))
3630                        }
3631                    })
3632                    .ok()
3633                    .flatten();
3634
3635                if let Some(task) = task {
3636                    task.await;
3637                } else {
3638                    break;
3639                }
3640            }
3641        })
3642    }
3643
3644    pub fn set_language_for_buffer(
3645        &mut self,
3646        buffer: &Entity<Buffer>,
3647        new_language: Arc<Language>,
3648        cx: &mut Context<Self>,
3649    ) {
3650        self.lsp_store.update(cx, |lsp_store, cx| {
3651            lsp_store.set_language_for_buffer(buffer, new_language, cx)
3652        })
3653    }
3654
3655    pub fn restart_language_servers_for_buffers(
3656        &mut self,
3657        buffers: Vec<Entity<Buffer>>,
3658        only_restart_servers: HashSet<LanguageServerSelector>,
3659        cx: &mut Context<Self>,
3660    ) {
3661        self.lsp_store.update(cx, |lsp_store, cx| {
3662            lsp_store.restart_language_servers_for_buffers(buffers, only_restart_servers, cx)
3663        })
3664    }
3665
3666    pub fn stop_language_servers_for_buffers(
3667        &mut self,
3668        buffers: Vec<Entity<Buffer>>,
3669        also_restart_servers: HashSet<LanguageServerSelector>,
3670        cx: &mut Context<Self>,
3671    ) {
3672        self.lsp_store
3673            .update(cx, |lsp_store, cx| {
3674                lsp_store.stop_language_servers_for_buffers(buffers, also_restart_servers, cx)
3675            })
3676            .detach_and_log_err(cx);
3677    }
3678
3679    pub fn cancel_language_server_work_for_buffers(
3680        &mut self,
3681        buffers: impl IntoIterator<Item = Entity<Buffer>>,
3682        cx: &mut Context<Self>,
3683    ) {
3684        self.lsp_store.update(cx, |lsp_store, cx| {
3685            lsp_store.cancel_language_server_work_for_buffers(buffers, cx)
3686        })
3687    }
3688
3689    pub fn cancel_language_server_work(
3690        &mut self,
3691        server_id: LanguageServerId,
3692        token_to_cancel: Option<ProgressToken>,
3693        cx: &mut Context<Self>,
3694    ) {
3695        self.lsp_store.update(cx, |lsp_store, cx| {
3696            lsp_store.cancel_language_server_work(server_id, token_to_cancel, cx)
3697        })
3698    }
3699
3700    fn enqueue_buffer_ordered_message(&mut self, message: BufferOrderedMessage) -> Result<()> {
3701        self.buffer_ordered_messages_tx
3702            .unbounded_send(message)
3703            .map_err(|e| anyhow!(e))
3704    }
3705
3706    pub fn available_toolchains(
3707        &self,
3708        path: ProjectPath,
3709        language_name: LanguageName,
3710        cx: &App,
3711    ) -> Task<Option<Toolchains>> {
3712        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3713            cx.spawn(async move |cx| {
3714                toolchain_store
3715                    .update(cx, |this, cx| this.list_toolchains(path, language_name, cx))
3716                    .ok()?
3717                    .await
3718            })
3719        } else {
3720            Task::ready(None)
3721        }
3722    }
3723
3724    pub async fn toolchain_metadata(
3725        languages: Arc<LanguageRegistry>,
3726        language_name: LanguageName,
3727    ) -> Option<ToolchainMetadata> {
3728        languages
3729            .language_for_name(language_name.as_ref())
3730            .await
3731            .ok()?
3732            .toolchain_lister()
3733            .map(|lister| lister.meta())
3734    }
3735
3736    pub fn add_toolchain(
3737        &self,
3738        toolchain: Toolchain,
3739        scope: ToolchainScope,
3740        cx: &mut Context<Self>,
3741    ) {
3742        maybe!({
3743            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3744                this.add_toolchain(toolchain, scope, cx);
3745            });
3746            Some(())
3747        });
3748    }
3749
3750    pub fn remove_toolchain(
3751        &self,
3752        toolchain: Toolchain,
3753        scope: ToolchainScope,
3754        cx: &mut Context<Self>,
3755    ) {
3756        maybe!({
3757            self.toolchain_store.as_ref()?.update(cx, |this, cx| {
3758                this.remove_toolchain(toolchain, scope, cx);
3759            });
3760            Some(())
3761        });
3762    }
3763
3764    pub fn user_toolchains(
3765        &self,
3766        cx: &App,
3767    ) -> Option<BTreeMap<ToolchainScope, IndexSet<Toolchain>>> {
3768        Some(self.toolchain_store.as_ref()?.read(cx).user_toolchains())
3769    }
3770
3771    pub fn resolve_toolchain(
3772        &self,
3773        path: PathBuf,
3774        language_name: LanguageName,
3775        cx: &App,
3776    ) -> Task<Result<Toolchain>> {
3777        if let Some(toolchain_store) = self.toolchain_store.as_ref().map(Entity::downgrade) {
3778            cx.spawn(async move |cx| {
3779                toolchain_store
3780                    .update(cx, |this, cx| {
3781                        this.resolve_toolchain(path, language_name, cx)
3782                    })?
3783                    .await
3784            })
3785        } else {
3786            Task::ready(Err(anyhow!("This project does not support toolchains")))
3787        }
3788    }
3789
3790    pub fn toolchain_store(&self) -> Option<Entity<ToolchainStore>> {
3791        self.toolchain_store.clone()
3792    }
3793    pub fn activate_toolchain(
3794        &self,
3795        path: ProjectPath,
3796        toolchain: Toolchain,
3797        cx: &mut App,
3798    ) -> Task<Option<()>> {
3799        let Some(toolchain_store) = self.toolchain_store.clone() else {
3800            return Task::ready(None);
3801        };
3802        toolchain_store.update(cx, |this, cx| this.activate_toolchain(path, toolchain, cx))
3803    }
3804    pub fn active_toolchain(
3805        &self,
3806        path: ProjectPath,
3807        language_name: LanguageName,
3808        cx: &App,
3809    ) -> Task<Option<Toolchain>> {
3810        let Some(toolchain_store) = self.toolchain_store.clone() else {
3811            return Task::ready(None);
3812        };
3813        toolchain_store
3814            .read(cx)
3815            .active_toolchain(path, language_name, cx)
3816    }
3817    pub fn language_server_statuses<'a>(
3818        &'a self,
3819        cx: &'a App,
3820    ) -> impl DoubleEndedIterator<Item = (LanguageServerId, &'a LanguageServerStatus)> {
3821        self.lsp_store.read(cx).language_server_statuses()
3822    }
3823
3824    pub fn last_formatting_failure<'a>(&self, cx: &'a App) -> Option<&'a str> {
3825        self.lsp_store.read(cx).last_formatting_failure()
3826    }
3827
3828    pub fn reset_last_formatting_failure(&self, cx: &mut App) {
3829        self.lsp_store
3830            .update(cx, |store, _| store.reset_last_formatting_failure());
3831    }
3832
3833    pub fn reload_buffers(
3834        &self,
3835        buffers: HashSet<Entity<Buffer>>,
3836        push_to_history: bool,
3837        cx: &mut Context<Self>,
3838    ) -> Task<Result<ProjectTransaction>> {
3839        self.buffer_store.update(cx, |buffer_store, cx| {
3840            buffer_store.reload_buffers(buffers, push_to_history, cx)
3841        })
3842    }
3843
3844    pub fn reload_images(
3845        &self,
3846        images: HashSet<Entity<ImageItem>>,
3847        cx: &mut Context<Self>,
3848    ) -> Task<Result<()>> {
3849        self.image_store
3850            .update(cx, |image_store, cx| image_store.reload_images(images, cx))
3851    }
3852
3853    pub fn format(
3854        &mut self,
3855        buffers: HashSet<Entity<Buffer>>,
3856        target: LspFormatTarget,
3857        push_to_history: bool,
3858        trigger: lsp_store::FormatTrigger,
3859        cx: &mut Context<Project>,
3860    ) -> Task<anyhow::Result<ProjectTransaction>> {
3861        self.lsp_store.update(cx, |lsp_store, cx| {
3862            lsp_store.format(buffers, target, push_to_history, trigger, cx)
3863        })
3864    }
3865
3866    pub fn definitions<T: ToPointUtf16>(
3867        &mut self,
3868        buffer: &Entity<Buffer>,
3869        position: T,
3870        cx: &mut Context<Self>,
3871    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3872        let position = position.to_point_utf16(buffer.read(cx));
3873        let guard = self.retain_remotely_created_models(cx);
3874        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3875            lsp_store.definitions(buffer, position, cx)
3876        });
3877        cx.background_spawn(async move {
3878            let result = task.await;
3879            drop(guard);
3880            result
3881        })
3882    }
3883
3884    pub fn declarations<T: ToPointUtf16>(
3885        &mut self,
3886        buffer: &Entity<Buffer>,
3887        position: T,
3888        cx: &mut Context<Self>,
3889    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3890        let position = position.to_point_utf16(buffer.read(cx));
3891        let guard = self.retain_remotely_created_models(cx);
3892        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3893            lsp_store.declarations(buffer, position, cx)
3894        });
3895        cx.background_spawn(async move {
3896            let result = task.await;
3897            drop(guard);
3898            result
3899        })
3900    }
3901
3902    pub fn type_definitions<T: ToPointUtf16>(
3903        &mut self,
3904        buffer: &Entity<Buffer>,
3905        position: T,
3906        cx: &mut Context<Self>,
3907    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3908        let position = position.to_point_utf16(buffer.read(cx));
3909        let guard = self.retain_remotely_created_models(cx);
3910        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3911            lsp_store.type_definitions(buffer, position, cx)
3912        });
3913        cx.background_spawn(async move {
3914            let result = task.await;
3915            drop(guard);
3916            result
3917        })
3918    }
3919
3920    pub fn implementations<T: ToPointUtf16>(
3921        &mut self,
3922        buffer: &Entity<Buffer>,
3923        position: T,
3924        cx: &mut Context<Self>,
3925    ) -> Task<Result<Option<Vec<LocationLink>>>> {
3926        let position = position.to_point_utf16(buffer.read(cx));
3927        let guard = self.retain_remotely_created_models(cx);
3928        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3929            lsp_store.implementations(buffer, position, cx)
3930        });
3931        cx.background_spawn(async move {
3932            let result = task.await;
3933            drop(guard);
3934            result
3935        })
3936    }
3937
3938    pub fn references<T: ToPointUtf16>(
3939        &mut self,
3940        buffer: &Entity<Buffer>,
3941        position: T,
3942        cx: &mut Context<Self>,
3943    ) -> Task<Result<Option<Vec<Location>>>> {
3944        let position = position.to_point_utf16(buffer.read(cx));
3945        let guard = self.retain_remotely_created_models(cx);
3946        let task = self.lsp_store.update(cx, |lsp_store, cx| {
3947            lsp_store.references(buffer, position, cx)
3948        });
3949        cx.background_spawn(async move {
3950            let result = task.await;
3951            drop(guard);
3952            result
3953        })
3954    }
3955
3956    pub fn document_highlights<T: ToPointUtf16>(
3957        &mut self,
3958        buffer: &Entity<Buffer>,
3959        position: T,
3960        cx: &mut Context<Self>,
3961    ) -> Task<Result<Vec<DocumentHighlight>>> {
3962        let position = position.to_point_utf16(buffer.read(cx));
3963        self.request_lsp(
3964            buffer.clone(),
3965            LanguageServerToQuery::FirstCapable,
3966            GetDocumentHighlights { position },
3967            cx,
3968        )
3969    }
3970
3971    pub fn document_symbols(
3972        &mut self,
3973        buffer: &Entity<Buffer>,
3974        cx: &mut Context<Self>,
3975    ) -> Task<Result<Vec<DocumentSymbol>>> {
3976        self.request_lsp(
3977            buffer.clone(),
3978            LanguageServerToQuery::FirstCapable,
3979            GetDocumentSymbols,
3980            cx,
3981        )
3982    }
3983
3984    pub fn symbols(&self, query: &str, cx: &mut Context<Self>) -> Task<Result<Vec<Symbol>>> {
3985        self.lsp_store
3986            .update(cx, |lsp_store, cx| lsp_store.symbols(query, cx))
3987    }
3988
3989    pub fn open_buffer_for_symbol(
3990        &mut self,
3991        symbol: &Symbol,
3992        cx: &mut Context<Self>,
3993    ) -> Task<Result<Entity<Buffer>>> {
3994        self.lsp_store.update(cx, |lsp_store, cx| {
3995            lsp_store.open_buffer_for_symbol(symbol, cx)
3996        })
3997    }
3998
3999    pub fn open_server_settings(&mut self, cx: &mut Context<Self>) -> Task<Result<Entity<Buffer>>> {
4000        let guard = self.retain_remotely_created_models(cx);
4001        let Some(remote) = self.remote_client.as_ref() else {
4002            return Task::ready(Err(anyhow!("not an ssh project")));
4003        };
4004
4005        let proto_client = remote.read(cx).proto_client();
4006
4007        cx.spawn(async move |project, cx| {
4008            let buffer = proto_client
4009                .request(proto::OpenServerSettings {
4010                    project_id: REMOTE_SERVER_PROJECT_ID,
4011                })
4012                .await?;
4013
4014            let buffer = project
4015                .update(cx, |project, cx| {
4016                    project.buffer_store.update(cx, |buffer_store, cx| {
4017                        anyhow::Ok(
4018                            buffer_store
4019                                .wait_for_remote_buffer(BufferId::new(buffer.buffer_id)?, cx),
4020                        )
4021                    })
4022                })??
4023                .await;
4024
4025            drop(guard);
4026            buffer
4027        })
4028    }
4029
4030    pub fn open_local_buffer_via_lsp(
4031        &mut self,
4032        abs_path: lsp::Uri,
4033        language_server_id: LanguageServerId,
4034        cx: &mut Context<Self>,
4035    ) -> Task<Result<Entity<Buffer>>> {
4036        self.lsp_store.update(cx, |lsp_store, cx| {
4037            lsp_store.open_local_buffer_via_lsp(abs_path, language_server_id, cx)
4038        })
4039    }
4040
4041    pub fn hover<T: ToPointUtf16>(
4042        &self,
4043        buffer: &Entity<Buffer>,
4044        position: T,
4045        cx: &mut Context<Self>,
4046    ) -> Task<Option<Vec<Hover>>> {
4047        let position = position.to_point_utf16(buffer.read(cx));
4048        self.lsp_store
4049            .update(cx, |lsp_store, cx| lsp_store.hover(buffer, position, cx))
4050    }
4051
4052    pub fn linked_edits(
4053        &self,
4054        buffer: &Entity<Buffer>,
4055        position: Anchor,
4056        cx: &mut Context<Self>,
4057    ) -> Task<Result<Vec<Range<Anchor>>>> {
4058        self.lsp_store.update(cx, |lsp_store, cx| {
4059            lsp_store.linked_edits(buffer, position, cx)
4060        })
4061    }
4062
4063    pub fn completions<T: ToOffset + ToPointUtf16>(
4064        &self,
4065        buffer: &Entity<Buffer>,
4066        position: T,
4067        context: CompletionContext,
4068        cx: &mut Context<Self>,
4069    ) -> Task<Result<Vec<CompletionResponse>>> {
4070        let position = position.to_point_utf16(buffer.read(cx));
4071        self.lsp_store.update(cx, |lsp_store, cx| {
4072            lsp_store.completions(buffer, position, context, cx)
4073        })
4074    }
4075
4076    pub fn code_actions<T: Clone + ToOffset>(
4077        &mut self,
4078        buffer_handle: &Entity<Buffer>,
4079        range: Range<T>,
4080        kinds: Option<Vec<CodeActionKind>>,
4081        cx: &mut Context<Self>,
4082    ) -> Task<Result<Option<Vec<CodeAction>>>> {
4083        let buffer = buffer_handle.read(cx);
4084        let range = buffer.anchor_before(range.start)..buffer.anchor_before(range.end);
4085        self.lsp_store.update(cx, |lsp_store, cx| {
4086            lsp_store.code_actions(buffer_handle, range, kinds, cx)
4087        })
4088    }
4089
4090    pub fn code_lens_actions<T: Clone + ToOffset>(
4091        &mut self,
4092        buffer: &Entity<Buffer>,
4093        range: Range<T>,
4094        cx: &mut Context<Self>,
4095    ) -> Task<Result<Option<Vec<CodeAction>>>> {
4096        let snapshot = buffer.read(cx).snapshot();
4097        let range = range.to_point(&snapshot);
4098        let range_start = snapshot.anchor_before(range.start);
4099        let range_end = if range.start == range.end {
4100            range_start
4101        } else {
4102            snapshot.anchor_after(range.end)
4103        };
4104        let range = range_start..range_end;
4105        let code_lens_actions = self
4106            .lsp_store
4107            .update(cx, |lsp_store, cx| lsp_store.code_lens_actions(buffer, cx));
4108
4109        cx.background_spawn(async move {
4110            let mut code_lens_actions = code_lens_actions
4111                .await
4112                .map_err(|e| anyhow!("code lens fetch failed: {e:#}"))?;
4113            if let Some(code_lens_actions) = &mut code_lens_actions {
4114                code_lens_actions.retain(|code_lens_action| {
4115                    range
4116                        .start
4117                        .cmp(&code_lens_action.range.start, &snapshot)
4118                        .is_ge()
4119                        && range
4120                            .end
4121                            .cmp(&code_lens_action.range.end, &snapshot)
4122                            .is_le()
4123                });
4124            }
4125            Ok(code_lens_actions)
4126        })
4127    }
4128
4129    pub fn apply_code_action(
4130        &self,
4131        buffer_handle: Entity<Buffer>,
4132        action: CodeAction,
4133        push_to_history: bool,
4134        cx: &mut Context<Self>,
4135    ) -> Task<Result<ProjectTransaction>> {
4136        self.lsp_store.update(cx, |lsp_store, cx| {
4137            lsp_store.apply_code_action(buffer_handle, action, push_to_history, cx)
4138        })
4139    }
4140
4141    pub fn apply_code_action_kind(
4142        &self,
4143        buffers: HashSet<Entity<Buffer>>,
4144        kind: CodeActionKind,
4145        push_to_history: bool,
4146        cx: &mut Context<Self>,
4147    ) -> Task<Result<ProjectTransaction>> {
4148        self.lsp_store.update(cx, |lsp_store, cx| {
4149            lsp_store.apply_code_action_kind(buffers, kind, push_to_history, cx)
4150        })
4151    }
4152
4153    pub fn prepare_rename<T: ToPointUtf16>(
4154        &mut self,
4155        buffer: Entity<Buffer>,
4156        position: T,
4157        cx: &mut Context<Self>,
4158    ) -> Task<Result<PrepareRenameResponse>> {
4159        let position = position.to_point_utf16(buffer.read(cx));
4160        self.request_lsp(
4161            buffer,
4162            LanguageServerToQuery::FirstCapable,
4163            PrepareRename { position },
4164            cx,
4165        )
4166    }
4167
4168    pub fn perform_rename<T: ToPointUtf16>(
4169        &mut self,
4170        buffer: Entity<Buffer>,
4171        position: T,
4172        new_name: String,
4173        cx: &mut Context<Self>,
4174    ) -> Task<Result<ProjectTransaction>> {
4175        let push_to_history = true;
4176        let position = position.to_point_utf16(buffer.read(cx));
4177        self.request_lsp(
4178            buffer,
4179            LanguageServerToQuery::FirstCapable,
4180            PerformRename {
4181                position,
4182                new_name,
4183                push_to_history,
4184            },
4185            cx,
4186        )
4187    }
4188
4189    pub fn on_type_format<T: ToPointUtf16>(
4190        &mut self,
4191        buffer: Entity<Buffer>,
4192        position: T,
4193        trigger: String,
4194        push_to_history: bool,
4195        cx: &mut Context<Self>,
4196    ) -> Task<Result<Option<Transaction>>> {
4197        self.lsp_store.update(cx, |lsp_store, cx| {
4198            lsp_store.on_type_format(buffer, position, trigger, push_to_history, cx)
4199        })
4200    }
4201
4202    pub fn inline_values(
4203        &mut self,
4204        session: Entity<Session>,
4205        active_stack_frame: ActiveStackFrame,
4206        buffer_handle: Entity<Buffer>,
4207        range: Range<text::Anchor>,
4208        cx: &mut Context<Self>,
4209    ) -> Task<anyhow::Result<Vec<InlayHint>>> {
4210        let snapshot = buffer_handle.read(cx).snapshot();
4211
4212        let captures =
4213            snapshot.debug_variables_query(Anchor::min_for_buffer(snapshot.remote_id())..range.end);
4214
4215        let row = snapshot
4216            .summary_for_anchor::<text::PointUtf16>(&range.end)
4217            .row as usize;
4218
4219        let inline_value_locations = provide_inline_values(captures, &snapshot, row);
4220
4221        let stack_frame_id = active_stack_frame.stack_frame_id;
4222        cx.spawn(async move |this, cx| {
4223            this.update(cx, |project, cx| {
4224                project.dap_store().update(cx, |dap_store, cx| {
4225                    dap_store.resolve_inline_value_locations(
4226                        session,
4227                        stack_frame_id,
4228                        buffer_handle,
4229                        inline_value_locations,
4230                        cx,
4231                    )
4232                })
4233            })?
4234            .await
4235        })
4236    }
4237
4238    fn search_impl(&mut self, query: SearchQuery, cx: &mut Context<Self>) -> SearchResultsHandle {
4239        let client: Option<(AnyProtoClient, _)> = if let Some(ssh_client) = &self.remote_client {
4240            Some((ssh_client.read(cx).proto_client(), 0))
4241        } else if let Some(remote_id) = self.remote_id() {
4242            self.is_local()
4243                .not()
4244                .then(|| (self.collab_client.clone().into(), remote_id))
4245        } else {
4246            None
4247        };
4248        let searcher = if query.is_opened_only() {
4249            project_search::Search::open_buffers_only(
4250                self.buffer_store.clone(),
4251                self.worktree_store.clone(),
4252                project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4253            )
4254        } else {
4255            match client {
4256                Some((client, remote_id)) => project_search::Search::remote(
4257                    self.buffer_store.clone(),
4258                    self.worktree_store.clone(),
4259                    project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4260                    (client, remote_id, self.remotely_created_models.clone()),
4261                ),
4262                None => project_search::Search::local(
4263                    self.fs.clone(),
4264                    self.buffer_store.clone(),
4265                    self.worktree_store.clone(),
4266                    project_search::Search::MAX_SEARCH_RESULT_FILES + 1,
4267                    cx,
4268                ),
4269            }
4270        };
4271        searcher.into_handle(query, cx)
4272    }
4273
4274    pub fn search(
4275        &mut self,
4276        query: SearchQuery,
4277        cx: &mut Context<Self>,
4278    ) -> SearchResults<SearchResult> {
4279        self.search_impl(query, cx).results(cx)
4280    }
4281
4282    pub fn request_lsp<R: LspCommand>(
4283        &mut self,
4284        buffer_handle: Entity<Buffer>,
4285        server: LanguageServerToQuery,
4286        request: R,
4287        cx: &mut Context<Self>,
4288    ) -> Task<Result<R::Response>>
4289    where
4290        <R::LspRequest as lsp::request::Request>::Result: Send,
4291        <R::LspRequest as lsp::request::Request>::Params: Send,
4292    {
4293        let guard = self.retain_remotely_created_models(cx);
4294        let task = self.lsp_store.update(cx, |lsp_store, cx| {
4295            lsp_store.request_lsp(buffer_handle, server, request, cx)
4296        });
4297        cx.background_spawn(async move {
4298            let result = task.await;
4299            drop(guard);
4300            result
4301        })
4302    }
4303
4304    /// Move a worktree to a new position in the worktree order.
4305    ///
4306    /// The worktree will moved to the opposite side of the destination worktree.
4307    ///
4308    /// # Example
4309    ///
4310    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `33`,
4311    /// worktree_order will be updated to produce the indexes `[11, 33, 22]`.
4312    ///
4313    /// Given the worktree order `[11, 22, 33]` and a call to move worktree `22` to `11`,
4314    /// worktree_order will be updated to produce the indexes `[22, 11, 33]`.
4315    ///
4316    /// # Errors
4317    ///
4318    /// An error will be returned if the worktree or destination worktree are not found.
4319    pub fn move_worktree(
4320        &mut self,
4321        source: WorktreeId,
4322        destination: WorktreeId,
4323        cx: &mut Context<Self>,
4324    ) -> Result<()> {
4325        self.worktree_store.update(cx, |worktree_store, cx| {
4326            worktree_store.move_worktree(source, destination, cx)
4327        })
4328    }
4329
4330    /// Attempts to convert the input path to a WSL path if this is a wsl remote project and the input path is a host windows path.
4331    pub fn try_windows_path_to_wsl(
4332        &self,
4333        abs_path: &Path,
4334        cx: &App,
4335    ) -> impl Future<Output = Result<PathBuf>> + use<> {
4336        let fut = if cfg!(windows)
4337            && let (
4338                ProjectClientState::Local | ProjectClientState::Shared { .. },
4339                Some(remote_client),
4340            ) = (&self.client_state, &self.remote_client)
4341            && let RemoteConnectionOptions::Wsl(wsl) = remote_client.read(cx).connection_options()
4342        {
4343            Either::Left(wsl.abs_windows_path_to_wsl_path(abs_path))
4344        } else {
4345            Either::Right(abs_path.to_owned())
4346        };
4347        async move {
4348            match fut {
4349                Either::Left(fut) => fut.await.map(Into::into),
4350                Either::Right(path) => Ok(path),
4351            }
4352        }
4353    }
4354
4355    pub fn find_or_create_worktree(
4356        &mut self,
4357        abs_path: impl AsRef<Path>,
4358        visible: bool,
4359        cx: &mut Context<Self>,
4360    ) -> Task<Result<(Entity<Worktree>, Arc<RelPath>)>> {
4361        self.worktree_store.update(cx, |worktree_store, cx| {
4362            worktree_store.find_or_create_worktree(abs_path, visible, cx)
4363        })
4364    }
4365
4366    pub fn find_worktree(
4367        &self,
4368        abs_path: &Path,
4369        cx: &App,
4370    ) -> Option<(Entity<Worktree>, Arc<RelPath>)> {
4371        self.worktree_store.read(cx).find_worktree(abs_path, cx)
4372    }
4373
4374    pub fn is_shared(&self) -> bool {
4375        match &self.client_state {
4376            ProjectClientState::Shared { .. } => true,
4377            ProjectClientState::Local => false,
4378            ProjectClientState::Remote { .. } => true,
4379        }
4380    }
4381
4382    /// Returns the resolved version of `path`, that was found in `buffer`, if it exists.
4383    pub fn resolve_path_in_buffer(
4384        &self,
4385        path: &str,
4386        buffer: &Entity<Buffer>,
4387        cx: &mut Context<Self>,
4388    ) -> Task<Option<ResolvedPath>> {
4389        if util::paths::is_absolute(path, self.path_style(cx)) || path.starts_with("~") {
4390            self.resolve_abs_path(path, cx)
4391        } else {
4392            self.resolve_path_in_worktrees(path, buffer, cx)
4393        }
4394    }
4395
4396    pub fn resolve_abs_file_path(
4397        &self,
4398        path: &str,
4399        cx: &mut Context<Self>,
4400    ) -> Task<Option<ResolvedPath>> {
4401        let resolve_task = self.resolve_abs_path(path, cx);
4402        cx.background_spawn(async move {
4403            let resolved_path = resolve_task.await;
4404            resolved_path.filter(|path| path.is_file())
4405        })
4406    }
4407
4408    pub fn resolve_abs_path(&self, path: &str, cx: &App) -> Task<Option<ResolvedPath>> {
4409        if self.is_local() {
4410            let expanded = PathBuf::from(shellexpand::tilde(&path).into_owned());
4411            let fs = self.fs.clone();
4412            cx.background_spawn(async move {
4413                let metadata = fs.metadata(&expanded).await.ok().flatten();
4414
4415                metadata.map(|metadata| ResolvedPath::AbsPath {
4416                    path: expanded.to_string_lossy().into_owned(),
4417                    is_dir: metadata.is_dir,
4418                })
4419            })
4420        } else if let Some(ssh_client) = self.remote_client.as_ref() {
4421            let request = ssh_client
4422                .read(cx)
4423                .proto_client()
4424                .request(proto::GetPathMetadata {
4425                    project_id: REMOTE_SERVER_PROJECT_ID,
4426                    path: path.into(),
4427                });
4428            cx.background_spawn(async move {
4429                let response = request.await.log_err()?;
4430                if response.exists {
4431                    Some(ResolvedPath::AbsPath {
4432                        path: response.path,
4433                        is_dir: response.is_dir,
4434                    })
4435                } else {
4436                    None
4437                }
4438            })
4439        } else {
4440            Task::ready(None)
4441        }
4442    }
4443
4444    fn resolve_path_in_worktrees(
4445        &self,
4446        path: &str,
4447        buffer: &Entity<Buffer>,
4448        cx: &mut Context<Self>,
4449    ) -> Task<Option<ResolvedPath>> {
4450        let mut candidates = vec![];
4451        let path_style = self.path_style(cx);
4452        if let Ok(path) = RelPath::new(path.as_ref(), path_style) {
4453            candidates.push(path.into_arc());
4454        }
4455
4456        if let Some(file) = buffer.read(cx).file()
4457            && let Some(dir) = file.path().parent()
4458        {
4459            if let Some(joined) = path_style.join(&*dir.display(path_style), path)
4460                && let Some(joined) = RelPath::new(joined.as_ref(), path_style).ok()
4461            {
4462                candidates.push(joined.into_arc());
4463            }
4464        }
4465
4466        let buffer_worktree_id = buffer.read(cx).file().map(|file| file.worktree_id(cx));
4467        let worktrees_with_ids: Vec<_> = self
4468            .worktrees(cx)
4469            .map(|worktree| {
4470                let id = worktree.read(cx).id();
4471                (worktree, id)
4472            })
4473            .collect();
4474
4475        cx.spawn(async move |_, cx| {
4476            if let Some(buffer_worktree_id) = buffer_worktree_id
4477                && let Some((worktree, _)) = worktrees_with_ids
4478                    .iter()
4479                    .find(|(_, id)| *id == buffer_worktree_id)
4480            {
4481                for candidate in candidates.iter() {
4482                    if let Some(path) = Self::resolve_path_in_worktree(worktree, candidate, cx) {
4483                        return Some(path);
4484                    }
4485                }
4486            }
4487            for (worktree, id) in worktrees_with_ids {
4488                if Some(id) == buffer_worktree_id {
4489                    continue;
4490                }
4491                for candidate in candidates.iter() {
4492                    if let Some(path) = Self::resolve_path_in_worktree(&worktree, candidate, cx) {
4493                        return Some(path);
4494                    }
4495                }
4496            }
4497            None
4498        })
4499    }
4500
4501    fn resolve_path_in_worktree(
4502        worktree: &Entity<Worktree>,
4503        path: &RelPath,
4504        cx: &mut AsyncApp,
4505    ) -> Option<ResolvedPath> {
4506        worktree.read_with(cx, |worktree, _| {
4507            worktree.entry_for_path(path).map(|entry| {
4508                let project_path = ProjectPath {
4509                    worktree_id: worktree.id(),
4510                    path: entry.path.clone(),
4511                };
4512                ResolvedPath::ProjectPath {
4513                    project_path,
4514                    is_dir: entry.is_dir(),
4515                }
4516            })
4517        })
4518    }
4519
4520    pub fn list_directory(
4521        &self,
4522        query: String,
4523        cx: &mut Context<Self>,
4524    ) -> Task<Result<Vec<DirectoryItem>>> {
4525        if self.is_local() {
4526            DirectoryLister::Local(cx.entity(), self.fs.clone()).list_directory(query, cx)
4527        } else if let Some(session) = self.remote_client.as_ref() {
4528            let request = proto::ListRemoteDirectory {
4529                dev_server_id: REMOTE_SERVER_PROJECT_ID,
4530                path: query,
4531                config: Some(proto::ListRemoteDirectoryConfig { is_dir: true }),
4532            };
4533
4534            let response = session.read(cx).proto_client().request(request);
4535            cx.background_spawn(async move {
4536                let proto::ListRemoteDirectoryResponse {
4537                    entries,
4538                    entry_info,
4539                } = response.await?;
4540                Ok(entries
4541                    .into_iter()
4542                    .zip(entry_info)
4543                    .map(|(entry, info)| DirectoryItem {
4544                        path: PathBuf::from(entry),
4545                        is_dir: info.is_dir,
4546                    })
4547                    .collect())
4548            })
4549        } else {
4550            Task::ready(Err(anyhow!("cannot list directory in remote project")))
4551        }
4552    }
4553
4554    pub fn create_worktree(
4555        &mut self,
4556        abs_path: impl AsRef<Path>,
4557        visible: bool,
4558        cx: &mut Context<Self>,
4559    ) -> Task<Result<Entity<Worktree>>> {
4560        self.worktree_store.update(cx, |worktree_store, cx| {
4561            worktree_store.create_worktree(abs_path, visible, cx)
4562        })
4563    }
4564
4565    pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
4566        self.worktree_store.update(cx, |worktree_store, cx| {
4567            worktree_store.remove_worktree(id_to_remove, cx);
4568        });
4569    }
4570
4571    fn add_worktree(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
4572        self.worktree_store.update(cx, |worktree_store, cx| {
4573            worktree_store.add(worktree, cx);
4574        });
4575    }
4576
4577    pub fn set_active_path(&mut self, entry: Option<ProjectPath>, cx: &mut Context<Self>) {
4578        let new_active_entry = entry.and_then(|project_path| {
4579            let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
4580            let entry = worktree.read(cx).entry_for_path(&project_path.path)?;
4581            Some(entry.id)
4582        });
4583        if new_active_entry != self.active_entry {
4584            self.active_entry = new_active_entry;
4585            self.lsp_store.update(cx, |lsp_store, _| {
4586                lsp_store.set_active_entry(new_active_entry);
4587            });
4588            cx.emit(Event::ActiveEntryChanged(new_active_entry));
4589        }
4590    }
4591
4592    pub fn language_servers_running_disk_based_diagnostics<'a>(
4593        &'a self,
4594        cx: &'a App,
4595    ) -> impl Iterator<Item = LanguageServerId> + 'a {
4596        self.lsp_store
4597            .read(cx)
4598            .language_servers_running_disk_based_diagnostics()
4599    }
4600
4601    pub fn diagnostic_summary(&self, include_ignored: bool, cx: &App) -> DiagnosticSummary {
4602        self.lsp_store
4603            .read(cx)
4604            .diagnostic_summary(include_ignored, cx)
4605    }
4606
4607    /// Returns a summary of the diagnostics for the provided project path only.
4608    pub fn diagnostic_summary_for_path(&self, path: &ProjectPath, cx: &App) -> DiagnosticSummary {
4609        self.lsp_store
4610            .read(cx)
4611            .diagnostic_summary_for_path(path, cx)
4612    }
4613
4614    pub fn diagnostic_summaries<'a>(
4615        &'a self,
4616        include_ignored: bool,
4617        cx: &'a App,
4618    ) -> impl Iterator<Item = (ProjectPath, LanguageServerId, DiagnosticSummary)> + 'a {
4619        self.lsp_store
4620            .read(cx)
4621            .diagnostic_summaries(include_ignored, cx)
4622    }
4623
4624    pub fn active_entry(&self) -> Option<ProjectEntryId> {
4625        self.active_entry
4626    }
4627
4628    pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
4629        self.worktree_store.read(cx).entry_for_path(path, cx)
4630    }
4631
4632    pub fn path_for_entry(&self, entry_id: ProjectEntryId, cx: &App) -> Option<ProjectPath> {
4633        let worktree = self.worktree_for_entry(entry_id, cx)?;
4634        let worktree = worktree.read(cx);
4635        let worktree_id = worktree.id();
4636        let path = worktree.entry_for_id(entry_id)?.path.clone();
4637        Some(ProjectPath { worktree_id, path })
4638    }
4639
4640    pub fn absolute_path(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4641        Some(
4642            self.worktree_for_id(project_path.worktree_id, cx)?
4643                .read(cx)
4644                .absolutize(&project_path.path),
4645        )
4646    }
4647
4648    /// Attempts to find a `ProjectPath` corresponding to the given path. If the path
4649    /// is a *full path*, meaning it starts with the root name of a worktree, we'll locate
4650    /// it in that worktree. Otherwise, we'll attempt to find it as a relative path in
4651    /// the first visible worktree that has an entry for that relative path.
4652    ///
4653    /// We use this to resolve edit steps, when there's a chance an LLM may omit the workree
4654    /// root name from paths.
4655    ///
4656    /// # Arguments
4657    ///
4658    /// * `path` - An absolute path, or a full path that starts with a worktree root name, or a
4659    ///   relative path within a visible worktree.
4660    /// * `cx` - A reference to the `AppContext`.
4661    ///
4662    /// # Returns
4663    ///
4664    /// Returns `Some(ProjectPath)` if a matching worktree is found, otherwise `None`.
4665    pub fn find_project_path(&self, path: impl AsRef<Path>, cx: &App) -> Option<ProjectPath> {
4666        let path_style = self.path_style(cx);
4667        let path = path.as_ref();
4668        let worktree_store = self.worktree_store.read(cx);
4669
4670        if is_absolute(&path.to_string_lossy(), path_style) {
4671            for worktree in worktree_store.visible_worktrees(cx) {
4672                let worktree_abs_path = worktree.read(cx).abs_path();
4673
4674                if let Ok(relative_path) = path.strip_prefix(worktree_abs_path)
4675                    && let Ok(path) = RelPath::new(relative_path, path_style)
4676                {
4677                    return Some(ProjectPath {
4678                        worktree_id: worktree.read(cx).id(),
4679                        path: path.into_arc(),
4680                    });
4681                }
4682            }
4683        } else {
4684            for worktree in worktree_store.visible_worktrees(cx) {
4685                let worktree = worktree.read(cx);
4686                if let Ok(rel_path) = RelPath::new(path, path_style) {
4687                    if let Some(entry) = worktree.entry_for_path(&rel_path) {
4688                        return Some(ProjectPath {
4689                            worktree_id: worktree.id(),
4690                            path: entry.path.clone(),
4691                        });
4692                    }
4693                }
4694            }
4695
4696            for worktree in worktree_store.visible_worktrees(cx) {
4697                let worktree_root_name = worktree.read(cx).root_name();
4698                if let Ok(relative_path) = path.strip_prefix(worktree_root_name.as_std_path())
4699                    && let Ok(path) = RelPath::new(relative_path, path_style)
4700                {
4701                    return Some(ProjectPath {
4702                        worktree_id: worktree.read(cx).id(),
4703                        path: path.into_arc(),
4704                    });
4705                }
4706            }
4707        }
4708
4709        None
4710    }
4711
4712    /// If there's only one visible worktree, returns the given worktree-relative path with no prefix.
4713    ///
4714    /// Otherwise, returns the full path for the project path (obtained by prefixing the worktree-relative path with the name of the worktree).
4715    pub fn short_full_path_for_project_path(
4716        &self,
4717        project_path: &ProjectPath,
4718        cx: &App,
4719    ) -> Option<String> {
4720        let path_style = self.path_style(cx);
4721        if self.visible_worktrees(cx).take(2).count() < 2 {
4722            return Some(project_path.path.display(path_style).to_string());
4723        }
4724        self.worktree_for_id(project_path.worktree_id, cx)
4725            .map(|worktree| {
4726                let worktree_name = worktree.read(cx).root_name();
4727                worktree_name
4728                    .join(&project_path.path)
4729                    .display(path_style)
4730                    .to_string()
4731            })
4732    }
4733
4734    pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
4735        self.worktree_store
4736            .read(cx)
4737            .project_path_for_absolute_path(abs_path, cx)
4738    }
4739
4740    pub fn get_workspace_root(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
4741        Some(
4742            self.worktree_for_id(project_path.worktree_id, cx)?
4743                .read(cx)
4744                .abs_path()
4745                .to_path_buf(),
4746        )
4747    }
4748
4749    pub fn blame_buffer(
4750        &self,
4751        buffer: &Entity<Buffer>,
4752        version: Option<clock::Global>,
4753        cx: &mut App,
4754    ) -> Task<Result<Option<Blame>>> {
4755        self.git_store.update(cx, |git_store, cx| {
4756            git_store.blame_buffer(buffer, version, cx)
4757        })
4758    }
4759
4760    pub fn get_permalink_to_line(
4761        &self,
4762        buffer: &Entity<Buffer>,
4763        selection: Range<u32>,
4764        cx: &mut App,
4765    ) -> Task<Result<url::Url>> {
4766        self.git_store.update(cx, |git_store, cx| {
4767            git_store.get_permalink_to_line(buffer, selection, cx)
4768        })
4769    }
4770
4771    // RPC message handlers
4772
4773    async fn handle_unshare_project(
4774        this: Entity<Self>,
4775        _: TypedEnvelope<proto::UnshareProject>,
4776        mut cx: AsyncApp,
4777    ) -> Result<()> {
4778        this.update(&mut cx, |this, cx| {
4779            if this.is_local() || this.is_via_remote_server() {
4780                this.unshare(cx)?;
4781            } else {
4782                this.disconnected_from_host(cx);
4783            }
4784            Ok(())
4785        })
4786    }
4787
4788    async fn handle_add_collaborator(
4789        this: Entity<Self>,
4790        mut envelope: TypedEnvelope<proto::AddProjectCollaborator>,
4791        mut cx: AsyncApp,
4792    ) -> Result<()> {
4793        let collaborator = envelope
4794            .payload
4795            .collaborator
4796            .take()
4797            .context("empty collaborator")?;
4798
4799        let collaborator = Collaborator::from_proto(collaborator)?;
4800        this.update(&mut cx, |this, cx| {
4801            this.buffer_store.update(cx, |buffer_store, _| {
4802                buffer_store.forget_shared_buffers_for(&collaborator.peer_id);
4803            });
4804            this.breakpoint_store.read(cx).broadcast();
4805            cx.emit(Event::CollaboratorJoined(collaborator.peer_id));
4806            this.collaborators
4807                .insert(collaborator.peer_id, collaborator);
4808        });
4809
4810        Ok(())
4811    }
4812
4813    async fn handle_update_project_collaborator(
4814        this: Entity<Self>,
4815        envelope: TypedEnvelope<proto::UpdateProjectCollaborator>,
4816        mut cx: AsyncApp,
4817    ) -> Result<()> {
4818        let old_peer_id = envelope
4819            .payload
4820            .old_peer_id
4821            .context("missing old peer id")?;
4822        let new_peer_id = envelope
4823            .payload
4824            .new_peer_id
4825            .context("missing new peer id")?;
4826        this.update(&mut cx, |this, cx| {
4827            let collaborator = this
4828                .collaborators
4829                .remove(&old_peer_id)
4830                .context("received UpdateProjectCollaborator for unknown peer")?;
4831            let is_host = collaborator.is_host;
4832            this.collaborators.insert(new_peer_id, collaborator);
4833
4834            log::info!("peer {} became {}", old_peer_id, new_peer_id,);
4835            this.buffer_store.update(cx, |buffer_store, _| {
4836                buffer_store.update_peer_id(&old_peer_id, new_peer_id)
4837            });
4838
4839            if is_host {
4840                this.buffer_store
4841                    .update(cx, |buffer_store, _| buffer_store.discard_incomplete());
4842                this.enqueue_buffer_ordered_message(BufferOrderedMessage::Resync)
4843                    .unwrap();
4844                cx.emit(Event::HostReshared);
4845            }
4846
4847            cx.emit(Event::CollaboratorUpdated {
4848                old_peer_id,
4849                new_peer_id,
4850            });
4851            Ok(())
4852        })
4853    }
4854
4855    async fn handle_remove_collaborator(
4856        this: Entity<Self>,
4857        envelope: TypedEnvelope<proto::RemoveProjectCollaborator>,
4858        mut cx: AsyncApp,
4859    ) -> Result<()> {
4860        this.update(&mut cx, |this, cx| {
4861            let peer_id = envelope.payload.peer_id.context("invalid peer id")?;
4862            let replica_id = this
4863                .collaborators
4864                .remove(&peer_id)
4865                .with_context(|| format!("unknown peer {peer_id:?}"))?
4866                .replica_id;
4867            this.buffer_store.update(cx, |buffer_store, cx| {
4868                buffer_store.forget_shared_buffers_for(&peer_id);
4869                for buffer in buffer_store.buffers() {
4870                    buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
4871                }
4872            });
4873            this.git_store.update(cx, |git_store, _| {
4874                git_store.forget_shared_diffs_for(&peer_id);
4875            });
4876
4877            cx.emit(Event::CollaboratorLeft(peer_id));
4878            Ok(())
4879        })
4880    }
4881
4882    async fn handle_update_project(
4883        this: Entity<Self>,
4884        envelope: TypedEnvelope<proto::UpdateProject>,
4885        mut cx: AsyncApp,
4886    ) -> Result<()> {
4887        this.update(&mut cx, |this, cx| {
4888            // Don't handle messages that were sent before the response to us joining the project
4889            if envelope.message_id > this.join_project_response_message_id {
4890                cx.update_global::<SettingsStore, _>(|store, cx| {
4891                    for worktree_metadata in &envelope.payload.worktrees {
4892                        store
4893                            .clear_local_settings(WorktreeId::from_proto(worktree_metadata.id), cx)
4894                            .log_err();
4895                    }
4896                });
4897
4898                this.set_worktrees_from_proto(envelope.payload.worktrees, cx)?;
4899            }
4900            Ok(())
4901        })
4902    }
4903
4904    async fn handle_toast(
4905        this: Entity<Self>,
4906        envelope: TypedEnvelope<proto::Toast>,
4907        mut cx: AsyncApp,
4908    ) -> Result<()> {
4909        this.update(&mut cx, |_, cx| {
4910            cx.emit(Event::Toast {
4911                notification_id: envelope.payload.notification_id.into(),
4912                message: envelope.payload.message,
4913                link: None,
4914            });
4915            Ok(())
4916        })
4917    }
4918
4919    async fn handle_language_server_prompt_request(
4920        this: Entity<Self>,
4921        envelope: TypedEnvelope<proto::LanguageServerPromptRequest>,
4922        mut cx: AsyncApp,
4923    ) -> Result<proto::LanguageServerPromptResponse> {
4924        let (tx, rx) = smol::channel::bounded(1);
4925        let actions: Vec<_> = envelope
4926            .payload
4927            .actions
4928            .into_iter()
4929            .map(|action| MessageActionItem {
4930                title: action,
4931                properties: Default::default(),
4932            })
4933            .collect();
4934        this.update(&mut cx, |_, cx| {
4935            cx.emit(Event::LanguageServerPrompt(
4936                LanguageServerPromptRequest::new(
4937                    proto_to_prompt(envelope.payload.level.context("Invalid prompt level")?),
4938                    envelope.payload.message,
4939                    actions.clone(),
4940                    envelope.payload.lsp_name,
4941                    tx,
4942                ),
4943            ));
4944
4945            anyhow::Ok(())
4946        })?;
4947
4948        // We drop `this` to avoid holding a reference in this future for too
4949        // long.
4950        // If we keep the reference, we might not drop the `Project` early
4951        // enough when closing a window and it will only get releases on the
4952        // next `flush_effects()` call.
4953        drop(this);
4954
4955        let mut rx = pin!(rx);
4956        let answer = rx.next().await;
4957
4958        Ok(LanguageServerPromptResponse {
4959            action_response: answer.and_then(|answer| {
4960                actions
4961                    .iter()
4962                    .position(|action| *action == answer)
4963                    .map(|index| index as u64)
4964            }),
4965        })
4966    }
4967
4968    async fn handle_hide_toast(
4969        this: Entity<Self>,
4970        envelope: TypedEnvelope<proto::HideToast>,
4971        mut cx: AsyncApp,
4972    ) -> Result<()> {
4973        this.update(&mut cx, |_, cx| {
4974            cx.emit(Event::HideToast {
4975                notification_id: envelope.payload.notification_id.into(),
4976            });
4977            Ok(())
4978        })
4979    }
4980
4981    // Collab sends UpdateWorktree protos as messages
4982    async fn handle_update_worktree(
4983        this: Entity<Self>,
4984        envelope: TypedEnvelope<proto::UpdateWorktree>,
4985        mut cx: AsyncApp,
4986    ) -> Result<()> {
4987        this.update(&mut cx, |project, cx| {
4988            let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
4989            if let Some(worktree) = project.worktree_for_id(worktree_id, cx) {
4990                worktree.update(cx, |worktree, _| {
4991                    let worktree = worktree.as_remote_mut().unwrap();
4992                    worktree.update_from_remote(envelope.payload);
4993                });
4994            }
4995            Ok(())
4996        })
4997    }
4998
4999    async fn handle_update_buffer_from_remote_server(
5000        this: Entity<Self>,
5001        envelope: TypedEnvelope<proto::UpdateBuffer>,
5002        cx: AsyncApp,
5003    ) -> Result<proto::Ack> {
5004        let buffer_store = this.read_with(&cx, |this, cx| {
5005            if let Some(remote_id) = this.remote_id() {
5006                let mut payload = envelope.payload.clone();
5007                payload.project_id = remote_id;
5008                cx.background_spawn(this.collab_client.request(payload))
5009                    .detach_and_log_err(cx);
5010            }
5011            this.buffer_store.clone()
5012        });
5013        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
5014    }
5015
5016    async fn handle_trust_worktrees(
5017        this: Entity<Self>,
5018        envelope: TypedEnvelope<proto::TrustWorktrees>,
5019        mut cx: AsyncApp,
5020    ) -> Result<proto::Ack> {
5021        if this.read_with(&cx, |project, _| project.is_via_collab()) {
5022            return Ok(proto::Ack {});
5023        }
5024
5025        let trusted_worktrees = cx
5026            .update(|cx| TrustedWorktrees::try_get_global(cx))
5027            .context("missing trusted worktrees")?;
5028        trusted_worktrees.update(&mut cx, |trusted_worktrees, cx| {
5029            trusted_worktrees.trust(
5030                &this.read(cx).worktree_store(),
5031                envelope
5032                    .payload
5033                    .trusted_paths
5034                    .into_iter()
5035                    .filter_map(|proto_path| PathTrust::from_proto(proto_path))
5036                    .collect(),
5037                cx,
5038            );
5039        });
5040        Ok(proto::Ack {})
5041    }
5042
5043    async fn handle_restrict_worktrees(
5044        this: Entity<Self>,
5045        envelope: TypedEnvelope<proto::RestrictWorktrees>,
5046        mut cx: AsyncApp,
5047    ) -> Result<proto::Ack> {
5048        if this.read_with(&cx, |project, _| project.is_via_collab()) {
5049            return Ok(proto::Ack {});
5050        }
5051
5052        let trusted_worktrees = cx
5053            .update(|cx| TrustedWorktrees::try_get_global(cx))
5054            .context("missing trusted worktrees")?;
5055        trusted_worktrees.update(&mut cx, |trusted_worktrees, cx| {
5056            let worktree_store = this.read(cx).worktree_store().downgrade();
5057            let restricted_paths = envelope
5058                .payload
5059                .worktree_ids
5060                .into_iter()
5061                .map(WorktreeId::from_proto)
5062                .map(PathTrust::Worktree)
5063                .collect::<HashSet<_>>();
5064            trusted_worktrees.restrict(worktree_store, restricted_paths, cx);
5065        });
5066        Ok(proto::Ack {})
5067    }
5068
5069    // Goes from host to client.
5070    async fn handle_find_search_candidates_chunk(
5071        this: Entity<Self>,
5072        envelope: TypedEnvelope<proto::FindSearchCandidatesChunk>,
5073        mut cx: AsyncApp,
5074    ) -> Result<proto::Ack> {
5075        let buffer_store = this.read_with(&mut cx, |this, _| this.buffer_store.clone());
5076        BufferStore::handle_find_search_candidates_chunk(buffer_store, envelope, cx).await
5077    }
5078
5079    // Goes from client to host.
5080    async fn handle_find_search_candidates_cancel(
5081        this: Entity<Self>,
5082        envelope: TypedEnvelope<proto::FindSearchCandidatesCancelled>,
5083        mut cx: AsyncApp,
5084    ) -> Result<()> {
5085        let buffer_store = this.read_with(&mut cx, |this, _| this.buffer_store.clone());
5086        BufferStore::handle_find_search_candidates_cancel(buffer_store, envelope, cx).await
5087    }
5088
5089    async fn handle_update_buffer(
5090        this: Entity<Self>,
5091        envelope: TypedEnvelope<proto::UpdateBuffer>,
5092        cx: AsyncApp,
5093    ) -> Result<proto::Ack> {
5094        let buffer_store = this.read_with(&cx, |this, cx| {
5095            if let Some(ssh) = &this.remote_client {
5096                let mut payload = envelope.payload.clone();
5097                payload.project_id = REMOTE_SERVER_PROJECT_ID;
5098                cx.background_spawn(ssh.read(cx).proto_client().request(payload))
5099                    .detach_and_log_err(cx);
5100            }
5101            this.buffer_store.clone()
5102        });
5103        BufferStore::handle_update_buffer(buffer_store, envelope, cx).await
5104    }
5105
5106    fn retain_remotely_created_models(
5107        &mut self,
5108        cx: &mut Context<Self>,
5109    ) -> RemotelyCreatedModelGuard {
5110        Self::retain_remotely_created_models_impl(
5111            &self.remotely_created_models,
5112            &self.buffer_store,
5113            &self.worktree_store,
5114            cx,
5115        )
5116    }
5117
5118    fn retain_remotely_created_models_impl(
5119        models: &Arc<Mutex<RemotelyCreatedModels>>,
5120        buffer_store: &Entity<BufferStore>,
5121        worktree_store: &Entity<WorktreeStore>,
5122        cx: &mut App,
5123    ) -> RemotelyCreatedModelGuard {
5124        {
5125            let mut remotely_create_models = models.lock();
5126            if remotely_create_models.retain_count == 0 {
5127                remotely_create_models.buffers = buffer_store.read(cx).buffers().collect();
5128                remotely_create_models.worktrees = worktree_store.read(cx).worktrees().collect();
5129            }
5130            remotely_create_models.retain_count += 1;
5131        }
5132        RemotelyCreatedModelGuard {
5133            remote_models: Arc::downgrade(&models),
5134        }
5135    }
5136
5137    async fn handle_create_buffer_for_peer(
5138        this: Entity<Self>,
5139        envelope: TypedEnvelope<proto::CreateBufferForPeer>,
5140        mut cx: AsyncApp,
5141    ) -> Result<()> {
5142        this.update(&mut cx, |this, cx| {
5143            this.buffer_store.update(cx, |buffer_store, cx| {
5144                buffer_store.handle_create_buffer_for_peer(
5145                    envelope,
5146                    this.replica_id(),
5147                    this.capability(),
5148                    cx,
5149                )
5150            })
5151        })
5152    }
5153
5154    async fn handle_toggle_lsp_logs(
5155        project: Entity<Self>,
5156        envelope: TypedEnvelope<proto::ToggleLspLogs>,
5157        mut cx: AsyncApp,
5158    ) -> Result<()> {
5159        let toggled_log_kind =
5160            match proto::toggle_lsp_logs::LogType::from_i32(envelope.payload.log_type)
5161                .context("invalid log type")?
5162            {
5163                proto::toggle_lsp_logs::LogType::Log => LogKind::Logs,
5164                proto::toggle_lsp_logs::LogType::Trace => LogKind::Trace,
5165                proto::toggle_lsp_logs::LogType::Rpc => LogKind::Rpc,
5166            };
5167        project.update(&mut cx, |_, cx| {
5168            cx.emit(Event::ToggleLspLogs {
5169                server_id: LanguageServerId::from_proto(envelope.payload.server_id),
5170                enabled: envelope.payload.enabled,
5171                toggled_log_kind,
5172            })
5173        });
5174        Ok(())
5175    }
5176
5177    async fn handle_synchronize_buffers(
5178        this: Entity<Self>,
5179        envelope: TypedEnvelope<proto::SynchronizeBuffers>,
5180        mut cx: AsyncApp,
5181    ) -> Result<proto::SynchronizeBuffersResponse> {
5182        let response = this.update(&mut cx, |this, cx| {
5183            let client = this.collab_client.clone();
5184            this.buffer_store.update(cx, |this, cx| {
5185                this.handle_synchronize_buffers(envelope, cx, client)
5186            })
5187        })?;
5188
5189        Ok(response)
5190    }
5191
5192    // Goes from client to host.
5193    async fn handle_search_candidate_buffers(
5194        this: Entity<Self>,
5195        envelope: TypedEnvelope<proto::FindSearchCandidates>,
5196        mut cx: AsyncApp,
5197    ) -> Result<proto::Ack> {
5198        let peer_id = envelope.original_sender_id.unwrap_or(envelope.sender_id);
5199        let message = envelope.payload;
5200        let project_id = message.project_id;
5201        let path_style = this.read_with(&cx, |this, cx| this.path_style(cx));
5202        let query =
5203            SearchQuery::from_proto(message.query.context("missing query field")?, path_style)?;
5204
5205        let handle = message.handle;
5206        let buffer_store = this.read_with(&cx, |this, _| this.buffer_store().clone());
5207        let client = this.read_with(&cx, |this, _| this.client());
5208        let task = cx.spawn(async move |cx| {
5209            let results = this.update(cx, |this, cx| {
5210                this.search_impl(query, cx).matching_buffers(cx)
5211            });
5212            let (batcher, batches) = project_search::AdaptiveBatcher::new(cx.background_executor());
5213            let mut new_matches = Box::pin(results.rx);
5214
5215            let sender_task = cx.background_executor().spawn({
5216                let client = client.clone();
5217                async move {
5218                    let mut batches = std::pin::pin!(batches);
5219                    while let Some(buffer_ids) = batches.next().await {
5220                        client
5221                            .request(proto::FindSearchCandidatesChunk {
5222                                handle,
5223                                peer_id: Some(peer_id),
5224                                project_id,
5225                                variant: Some(
5226                                    proto::find_search_candidates_chunk::Variant::Matches(
5227                                        proto::FindSearchCandidatesMatches { buffer_ids },
5228                                    ),
5229                                ),
5230                            })
5231                            .await?;
5232                    }
5233                    anyhow::Ok(())
5234                }
5235            });
5236
5237            while let Some(buffer) = new_matches.next().await {
5238                let buffer_id = this.update(cx, |this, cx| {
5239                    this.create_buffer_for_peer(&buffer, peer_id, cx).to_proto()
5240                });
5241                batcher.push(buffer_id).await;
5242            }
5243            batcher.flush().await;
5244
5245            sender_task.await?;
5246
5247            let _ = client
5248                .request(proto::FindSearchCandidatesChunk {
5249                    handle,
5250                    peer_id: Some(peer_id),
5251                    project_id,
5252                    variant: Some(proto::find_search_candidates_chunk::Variant::Done(
5253                        proto::FindSearchCandidatesDone {},
5254                    )),
5255                })
5256                .await?;
5257            anyhow::Ok(())
5258        });
5259        buffer_store.update(&mut cx, |this, _| {
5260            this.register_ongoing_project_search((peer_id, handle), task);
5261        });
5262
5263        Ok(proto::Ack {})
5264    }
5265
5266    async fn handle_open_buffer_by_id(
5267        this: Entity<Self>,
5268        envelope: TypedEnvelope<proto::OpenBufferById>,
5269        mut cx: AsyncApp,
5270    ) -> Result<proto::OpenBufferResponse> {
5271        let peer_id = envelope.original_sender_id()?;
5272        let buffer_id = BufferId::new(envelope.payload.id)?;
5273        let buffer = this
5274            .update(&mut cx, |this, cx| this.open_buffer_by_id(buffer_id, cx))
5275            .await?;
5276        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5277    }
5278
5279    async fn handle_open_buffer_by_path(
5280        this: Entity<Self>,
5281        envelope: TypedEnvelope<proto::OpenBufferByPath>,
5282        mut cx: AsyncApp,
5283    ) -> Result<proto::OpenBufferResponse> {
5284        let peer_id = envelope.original_sender_id()?;
5285        let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
5286        let path = RelPath::from_proto(&envelope.payload.path)?;
5287        let open_buffer = this
5288            .update(&mut cx, |this, cx| {
5289                this.open_buffer(ProjectPath { worktree_id, path }, cx)
5290            })
5291            .await?;
5292        Project::respond_to_open_buffer_request(this, open_buffer, peer_id, &mut cx)
5293    }
5294
5295    async fn handle_open_new_buffer(
5296        this: Entity<Self>,
5297        envelope: TypedEnvelope<proto::OpenNewBuffer>,
5298        mut cx: AsyncApp,
5299    ) -> Result<proto::OpenBufferResponse> {
5300        let buffer = this
5301            .update(&mut cx, |this, cx| this.create_buffer(None, true, cx))
5302            .await?;
5303        let peer_id = envelope.original_sender_id()?;
5304
5305        Project::respond_to_open_buffer_request(this, buffer, peer_id, &mut cx)
5306    }
5307
5308    fn respond_to_open_buffer_request(
5309        this: Entity<Self>,
5310        buffer: Entity<Buffer>,
5311        peer_id: proto::PeerId,
5312        cx: &mut AsyncApp,
5313    ) -> Result<proto::OpenBufferResponse> {
5314        this.update(cx, |this, cx| {
5315            let is_private = buffer
5316                .read(cx)
5317                .file()
5318                .map(|f| f.is_private())
5319                .unwrap_or_default();
5320            anyhow::ensure!(!is_private, ErrorCode::UnsharedItem);
5321            Ok(proto::OpenBufferResponse {
5322                buffer_id: this.create_buffer_for_peer(&buffer, peer_id, cx).into(),
5323            })
5324        })
5325    }
5326
5327    fn create_buffer_for_peer(
5328        &mut self,
5329        buffer: &Entity<Buffer>,
5330        peer_id: proto::PeerId,
5331        cx: &mut App,
5332    ) -> BufferId {
5333        self.buffer_store
5334            .update(cx, |buffer_store, cx| {
5335                buffer_store.create_buffer_for_peer(buffer, peer_id, cx)
5336            })
5337            .detach_and_log_err(cx);
5338        buffer.read(cx).remote_id()
5339    }
5340
5341    async fn handle_create_image_for_peer(
5342        this: Entity<Self>,
5343        envelope: TypedEnvelope<proto::CreateImageForPeer>,
5344        mut cx: AsyncApp,
5345    ) -> Result<()> {
5346        this.update(&mut cx, |this, cx| {
5347            this.image_store.update(cx, |image_store, cx| {
5348                image_store.handle_create_image_for_peer(envelope, cx)
5349            })
5350        })
5351    }
5352
5353    fn synchronize_remote_buffers(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
5354        let project_id = match self.client_state {
5355            ProjectClientState::Remote {
5356                sharing_has_stopped,
5357                remote_id,
5358                ..
5359            } => {
5360                if sharing_has_stopped {
5361                    return Task::ready(Err(anyhow!(
5362                        "can't synchronize remote buffers on a readonly project"
5363                    )));
5364                } else {
5365                    remote_id
5366                }
5367            }
5368            ProjectClientState::Shared { .. } | ProjectClientState::Local => {
5369                return Task::ready(Err(anyhow!(
5370                    "can't synchronize remote buffers on a local project"
5371                )));
5372            }
5373        };
5374
5375        let client = self.collab_client.clone();
5376        cx.spawn(async move |this, cx| {
5377            let (buffers, incomplete_buffer_ids) = this.update(cx, |this, cx| {
5378                this.buffer_store.read(cx).buffer_version_info(cx)
5379            })?;
5380            let response = client
5381                .request(proto::SynchronizeBuffers {
5382                    project_id,
5383                    buffers,
5384                })
5385                .await?;
5386
5387            let send_updates_for_buffers = this.update(cx, |this, cx| {
5388                response
5389                    .buffers
5390                    .into_iter()
5391                    .map(|buffer| {
5392                        let client = client.clone();
5393                        let buffer_id = match BufferId::new(buffer.id) {
5394                            Ok(id) => id,
5395                            Err(e) => {
5396                                return Task::ready(Err(e));
5397                            }
5398                        };
5399                        let remote_version = language::proto::deserialize_version(&buffer.version);
5400                        if let Some(buffer) = this.buffer_for_id(buffer_id, cx) {
5401                            let operations =
5402                                buffer.read(cx).serialize_ops(Some(remote_version), cx);
5403                            cx.background_spawn(async move {
5404                                let operations = operations.await;
5405                                for chunk in split_operations(operations) {
5406                                    client
5407                                        .request(proto::UpdateBuffer {
5408                                            project_id,
5409                                            buffer_id: buffer_id.into(),
5410                                            operations: chunk,
5411                                        })
5412                                        .await?;
5413                                }
5414                                anyhow::Ok(())
5415                            })
5416                        } else {
5417                            Task::ready(Ok(()))
5418                        }
5419                    })
5420                    .collect::<Vec<_>>()
5421            })?;
5422
5423            // Any incomplete buffers have open requests waiting. Request that the host sends
5424            // creates these buffers for us again to unblock any waiting futures.
5425            for id in incomplete_buffer_ids {
5426                cx.background_spawn(client.request(proto::OpenBufferById {
5427                    project_id,
5428                    id: id.into(),
5429                }))
5430                .detach();
5431            }
5432
5433            futures::future::join_all(send_updates_for_buffers)
5434                .await
5435                .into_iter()
5436                .collect()
5437        })
5438    }
5439
5440    pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
5441        self.worktree_store.read(cx).worktree_metadata_protos(cx)
5442    }
5443
5444    /// Iterator of all open buffers that have unsaved changes
5445    pub fn dirty_buffers<'a>(&'a self, cx: &'a App) -> impl Iterator<Item = ProjectPath> + 'a {
5446        self.buffer_store.read(cx).buffers().filter_map(|buf| {
5447            let buf = buf.read(cx);
5448            if buf.is_dirty() {
5449                buf.project_path(cx)
5450            } else {
5451                None
5452            }
5453        })
5454    }
5455
5456    fn set_worktrees_from_proto(
5457        &mut self,
5458        worktrees: Vec<proto::WorktreeMetadata>,
5459        cx: &mut Context<Project>,
5460    ) -> Result<()> {
5461        self.worktree_store.update(cx, |worktree_store, cx| {
5462            worktree_store.set_worktrees_from_proto(worktrees, self.replica_id(), cx)
5463        })
5464    }
5465
5466    fn set_collaborators_from_proto(
5467        &mut self,
5468        messages: Vec<proto::Collaborator>,
5469        cx: &mut Context<Self>,
5470    ) -> Result<()> {
5471        let mut collaborators = HashMap::default();
5472        for message in messages {
5473            let collaborator = Collaborator::from_proto(message)?;
5474            collaborators.insert(collaborator.peer_id, collaborator);
5475        }
5476        for old_peer_id in self.collaborators.keys() {
5477            if !collaborators.contains_key(old_peer_id) {
5478                cx.emit(Event::CollaboratorLeft(*old_peer_id));
5479            }
5480        }
5481        self.collaborators = collaborators;
5482        Ok(())
5483    }
5484
5485    pub fn supplementary_language_servers<'a>(
5486        &'a self,
5487        cx: &'a App,
5488    ) -> impl 'a + Iterator<Item = (LanguageServerId, LanguageServerName)> {
5489        self.lsp_store.read(cx).supplementary_language_servers()
5490    }
5491
5492    pub fn any_language_server_supports_inlay_hints(&self, buffer: &Buffer, cx: &mut App) -> bool {
5493        let Some(language) = buffer.language().cloned() else {
5494            return false;
5495        };
5496        self.lsp_store.update(cx, |lsp_store, _| {
5497            let relevant_language_servers = lsp_store
5498                .languages
5499                .lsp_adapters(&language.name())
5500                .into_iter()
5501                .map(|lsp_adapter| lsp_adapter.name())
5502                .collect::<HashSet<_>>();
5503            lsp_store
5504                .language_server_statuses()
5505                .filter_map(|(server_id, server_status)| {
5506                    relevant_language_servers
5507                        .contains(&server_status.name)
5508                        .then_some(server_id)
5509                })
5510                .filter_map(|server_id| lsp_store.lsp_server_capabilities.get(&server_id))
5511                .any(InlayHints::check_capabilities)
5512        })
5513    }
5514
5515    pub fn language_server_id_for_name(
5516        &self,
5517        buffer: &Buffer,
5518        name: &LanguageServerName,
5519        cx: &App,
5520    ) -> Option<LanguageServerId> {
5521        let language = buffer.language()?;
5522        let relevant_language_servers = self
5523            .languages
5524            .lsp_adapters(&language.name())
5525            .into_iter()
5526            .map(|lsp_adapter| lsp_adapter.name())
5527            .collect::<HashSet<_>>();
5528        if !relevant_language_servers.contains(name) {
5529            return None;
5530        }
5531        self.language_server_statuses(cx)
5532            .filter(|(_, server_status)| relevant_language_servers.contains(&server_status.name))
5533            .find_map(|(server_id, server_status)| {
5534                if &server_status.name == name {
5535                    Some(server_id)
5536                } else {
5537                    None
5538                }
5539            })
5540    }
5541
5542    #[cfg(feature = "test-support")]
5543    pub fn has_language_servers_for(&self, buffer: &Buffer, cx: &mut App) -> bool {
5544        self.lsp_store.update(cx, |this, cx| {
5545            this.running_language_servers_for_local_buffer(buffer, cx)
5546                .next()
5547                .is_some()
5548        })
5549    }
5550
5551    pub fn git_init(
5552        &self,
5553        path: Arc<Path>,
5554        fallback_branch_name: String,
5555        cx: &App,
5556    ) -> Task<Result<()>> {
5557        self.git_store
5558            .read(cx)
5559            .git_init(path, fallback_branch_name, cx)
5560    }
5561
5562    pub fn buffer_store(&self) -> &Entity<BufferStore> {
5563        &self.buffer_store
5564    }
5565
5566    pub fn git_store(&self) -> &Entity<GitStore> {
5567        &self.git_store
5568    }
5569
5570    pub fn agent_server_store(&self) -> &Entity<AgentServerStore> {
5571        &self.agent_server_store
5572    }
5573
5574    #[cfg(feature = "test-support")]
5575    pub fn git_scans_complete(&self, cx: &Context<Self>) -> Task<()> {
5576        use futures::future::join_all;
5577        cx.spawn(async move |this, cx| {
5578            let scans_complete = this
5579                .read_with(cx, |this, cx| {
5580                    this.worktrees(cx)
5581                        .filter_map(|worktree| Some(worktree.read(cx).as_local()?.scan_complete()))
5582                        .collect::<Vec<_>>()
5583                })
5584                .unwrap();
5585            join_all(scans_complete).await;
5586            let barriers = this
5587                .update(cx, |this, cx| {
5588                    let repos = this.repositories(cx).values().cloned().collect::<Vec<_>>();
5589                    repos
5590                        .into_iter()
5591                        .map(|repo| repo.update(cx, |repo, _| repo.barrier()))
5592                        .collect::<Vec<_>>()
5593                })
5594                .unwrap();
5595            join_all(barriers).await;
5596        })
5597    }
5598
5599    pub fn active_repository(&self, cx: &App) -> Option<Entity<Repository>> {
5600        self.git_store.read(cx).active_repository()
5601    }
5602
5603    pub fn repositories<'a>(&self, cx: &'a App) -> &'a HashMap<RepositoryId, Entity<Repository>> {
5604        self.git_store.read(cx).repositories()
5605    }
5606
5607    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
5608        self.git_store.read(cx).status_for_buffer_id(buffer_id, cx)
5609    }
5610
5611    pub fn set_agent_location(
5612        &mut self,
5613        new_location: Option<AgentLocation>,
5614        cx: &mut Context<Self>,
5615    ) {
5616        if let Some(old_location) = self.agent_location.as_ref() {
5617            old_location
5618                .buffer
5619                .update(cx, |buffer, cx| buffer.remove_agent_selections(cx))
5620                .ok();
5621        }
5622
5623        if let Some(location) = new_location.as_ref() {
5624            location
5625                .buffer
5626                .update(cx, |buffer, cx| {
5627                    buffer.set_agent_selections(
5628                        Arc::from([language::Selection {
5629                            id: 0,
5630                            start: location.position,
5631                            end: location.position,
5632                            reversed: false,
5633                            goal: language::SelectionGoal::None,
5634                        }]),
5635                        false,
5636                        CursorShape::Hollow,
5637                        cx,
5638                    )
5639                })
5640                .ok();
5641        }
5642
5643        self.agent_location = new_location;
5644        cx.emit(Event::AgentLocationChanged);
5645    }
5646
5647    pub fn agent_location(&self) -> Option<AgentLocation> {
5648        self.agent_location.clone()
5649    }
5650
5651    pub fn path_style(&self, cx: &App) -> PathStyle {
5652        self.worktree_store.read(cx).path_style()
5653    }
5654
5655    pub fn contains_local_settings_file(
5656        &self,
5657        worktree_id: WorktreeId,
5658        rel_path: &RelPath,
5659        cx: &App,
5660    ) -> bool {
5661        self.worktree_for_id(worktree_id, cx)
5662            .map_or(false, |worktree| {
5663                worktree.read(cx).entry_for_path(rel_path).is_some()
5664            })
5665    }
5666}
5667
5668pub struct PathMatchCandidateSet {
5669    pub snapshot: Snapshot,
5670    pub include_ignored: bool,
5671    pub include_root_name: bool,
5672    pub candidates: Candidates,
5673}
5674
5675pub enum Candidates {
5676    /// Only consider directories.
5677    Directories,
5678    /// Only consider files.
5679    Files,
5680    /// Consider directories and files.
5681    Entries,
5682}
5683
5684impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
5685    type Candidates = PathMatchCandidateSetIter<'a>;
5686
5687    fn id(&self) -> usize {
5688        self.snapshot.id().to_usize()
5689    }
5690
5691    fn len(&self) -> usize {
5692        match self.candidates {
5693            Candidates::Files => {
5694                if self.include_ignored {
5695                    self.snapshot.file_count()
5696                } else {
5697                    self.snapshot.visible_file_count()
5698                }
5699            }
5700
5701            Candidates::Directories => {
5702                if self.include_ignored {
5703                    self.snapshot.dir_count()
5704                } else {
5705                    self.snapshot.visible_dir_count()
5706                }
5707            }
5708
5709            Candidates::Entries => {
5710                if self.include_ignored {
5711                    self.snapshot.entry_count()
5712                } else {
5713                    self.snapshot.visible_entry_count()
5714                }
5715            }
5716        }
5717    }
5718
5719    fn prefix(&self) -> Arc<RelPath> {
5720        if self.snapshot.root_entry().is_some_and(|e| e.is_file()) || self.include_root_name {
5721            self.snapshot.root_name().into()
5722        } else {
5723            RelPath::empty().into()
5724        }
5725    }
5726
5727    fn root_is_file(&self) -> bool {
5728        self.snapshot.root_entry().is_some_and(|f| f.is_file())
5729    }
5730
5731    fn path_style(&self) -> PathStyle {
5732        self.snapshot.path_style()
5733    }
5734
5735    fn candidates(&'a self, start: usize) -> Self::Candidates {
5736        PathMatchCandidateSetIter {
5737            traversal: match self.candidates {
5738                Candidates::Directories => self.snapshot.directories(self.include_ignored, start),
5739                Candidates::Files => self.snapshot.files(self.include_ignored, start),
5740                Candidates::Entries => self.snapshot.entries(self.include_ignored, start),
5741            },
5742        }
5743    }
5744}
5745
5746pub struct PathMatchCandidateSetIter<'a> {
5747    traversal: Traversal<'a>,
5748}
5749
5750impl<'a> Iterator for PathMatchCandidateSetIter<'a> {
5751    type Item = fuzzy::PathMatchCandidate<'a>;
5752
5753    fn next(&mut self) -> Option<Self::Item> {
5754        self.traversal
5755            .next()
5756            .map(|entry| fuzzy::PathMatchCandidate {
5757                is_dir: entry.kind.is_dir(),
5758                path: &entry.path,
5759                char_bag: entry.char_bag,
5760            })
5761    }
5762}
5763
5764impl EventEmitter<Event> for Project {}
5765
5766impl<'a> From<&'a ProjectPath> for SettingsLocation<'a> {
5767    fn from(val: &'a ProjectPath) -> Self {
5768        SettingsLocation {
5769            worktree_id: val.worktree_id,
5770            path: val.path.as_ref(),
5771        }
5772    }
5773}
5774
5775impl<P: Into<Arc<RelPath>>> From<(WorktreeId, P)> for ProjectPath {
5776    fn from((worktree_id, path): (WorktreeId, P)) -> Self {
5777        Self {
5778            worktree_id,
5779            path: path.into(),
5780        }
5781    }
5782}
5783
5784/// ResolvedPath is a path that has been resolved to either a ProjectPath
5785/// or an AbsPath and that *exists*.
5786#[derive(Debug, Clone)]
5787pub enum ResolvedPath {
5788    ProjectPath {
5789        project_path: ProjectPath,
5790        is_dir: bool,
5791    },
5792    AbsPath {
5793        path: String,
5794        is_dir: bool,
5795    },
5796}
5797
5798impl ResolvedPath {
5799    pub fn abs_path(&self) -> Option<&str> {
5800        match self {
5801            Self::AbsPath { path, .. } => Some(path),
5802            _ => None,
5803        }
5804    }
5805
5806    pub fn into_abs_path(self) -> Option<String> {
5807        match self {
5808            Self::AbsPath { path, .. } => Some(path),
5809            _ => None,
5810        }
5811    }
5812
5813    pub fn project_path(&self) -> Option<&ProjectPath> {
5814        match self {
5815            Self::ProjectPath { project_path, .. } => Some(project_path),
5816            _ => None,
5817        }
5818    }
5819
5820    pub fn is_file(&self) -> bool {
5821        !self.is_dir()
5822    }
5823
5824    pub fn is_dir(&self) -> bool {
5825        match self {
5826            Self::ProjectPath { is_dir, .. } => *is_dir,
5827            Self::AbsPath { is_dir, .. } => *is_dir,
5828        }
5829    }
5830}
5831
5832impl ProjectItem for Buffer {
5833    fn try_open(
5834        project: &Entity<Project>,
5835        path: &ProjectPath,
5836        cx: &mut App,
5837    ) -> Option<Task<Result<Entity<Self>>>> {
5838        Some(project.update(cx, |project, cx| project.open_buffer(path.clone(), cx)))
5839    }
5840
5841    fn entry_id(&self, _cx: &App) -> Option<ProjectEntryId> {
5842        File::from_dyn(self.file()).and_then(|file| file.project_entry_id())
5843    }
5844
5845    fn project_path(&self, cx: &App) -> Option<ProjectPath> {
5846        let file = self.file()?;
5847
5848        (!matches!(file.disk_state(), DiskState::Historic { .. })).then(|| ProjectPath {
5849            worktree_id: file.worktree_id(cx),
5850            path: file.path().clone(),
5851        })
5852    }
5853
5854    fn is_dirty(&self) -> bool {
5855        self.is_dirty()
5856    }
5857}
5858
5859impl Completion {
5860    pub fn kind(&self) -> Option<CompletionItemKind> {
5861        self.source
5862            // `lsp::CompletionListItemDefaults` has no `kind` field
5863            .lsp_completion(false)
5864            .and_then(|lsp_completion| lsp_completion.kind)
5865    }
5866
5867    pub fn label(&self) -> Option<String> {
5868        self.source
5869            .lsp_completion(false)
5870            .map(|lsp_completion| lsp_completion.label.clone())
5871    }
5872
5873    /// A key that can be used to sort completions when displaying
5874    /// them to the user.
5875    pub fn sort_key(&self) -> (usize, &str) {
5876        const DEFAULT_KIND_KEY: usize = 4;
5877        let kind_key = self
5878            .kind()
5879            .and_then(|lsp_completion_kind| match lsp_completion_kind {
5880                lsp::CompletionItemKind::KEYWORD => Some(0),
5881                lsp::CompletionItemKind::VARIABLE => Some(1),
5882                lsp::CompletionItemKind::CONSTANT => Some(2),
5883                lsp::CompletionItemKind::PROPERTY => Some(3),
5884                _ => None,
5885            })
5886            .unwrap_or(DEFAULT_KIND_KEY);
5887        (kind_key, self.label.filter_text())
5888    }
5889
5890    /// Whether this completion is a snippet.
5891    pub fn is_snippet_kind(&self) -> bool {
5892        matches!(
5893            &self.source,
5894            CompletionSource::Lsp { lsp_completion, .. }
5895            if lsp_completion.kind == Some(CompletionItemKind::SNIPPET)
5896        )
5897    }
5898
5899    /// Whether this completion is a snippet or snippet-style LSP completion.
5900    pub fn is_snippet(&self) -> bool {
5901        self.source
5902            // `lsp::CompletionListItemDefaults` has `insert_text_format` field
5903            .lsp_completion(true)
5904            .is_some_and(|lsp_completion| {
5905                lsp_completion.insert_text_format == Some(lsp::InsertTextFormat::SNIPPET)
5906            })
5907    }
5908
5909    /// Returns the corresponding color for this completion.
5910    ///
5911    /// Will return `None` if this completion's kind is not [`CompletionItemKind::COLOR`].
5912    pub fn color(&self) -> Option<Hsla> {
5913        // `lsp::CompletionListItemDefaults` has no `kind` field
5914        let lsp_completion = self.source.lsp_completion(false)?;
5915        if lsp_completion.kind? == CompletionItemKind::COLOR {
5916            return color_extractor::extract_color(&lsp_completion);
5917        }
5918        None
5919    }
5920}
5921
5922fn proto_to_prompt(level: proto::language_server_prompt_request::Level) -> gpui::PromptLevel {
5923    match level {
5924        proto::language_server_prompt_request::Level::Info(_) => gpui::PromptLevel::Info,
5925        proto::language_server_prompt_request::Level::Warning(_) => gpui::PromptLevel::Warning,
5926        proto::language_server_prompt_request::Level::Critical(_) => gpui::PromptLevel::Critical,
5927    }
5928}
5929
5930fn provide_inline_values(
5931    captures: impl Iterator<Item = (Range<usize>, language::DebuggerTextObject)>,
5932    snapshot: &language::BufferSnapshot,
5933    max_row: usize,
5934) -> Vec<InlineValueLocation> {
5935    let mut variables = Vec::new();
5936    let mut variable_position = HashSet::default();
5937    let mut scopes = Vec::new();
5938
5939    let active_debug_line_offset = snapshot.point_to_offset(Point::new(max_row as u32, 0));
5940
5941    for (capture_range, capture_kind) in captures {
5942        match capture_kind {
5943            language::DebuggerTextObject::Variable => {
5944                let variable_name = snapshot
5945                    .text_for_range(capture_range.clone())
5946                    .collect::<String>();
5947                let point = snapshot.offset_to_point(capture_range.end);
5948
5949                while scopes
5950                    .last()
5951                    .is_some_and(|scope: &Range<_>| !scope.contains(&capture_range.start))
5952                {
5953                    scopes.pop();
5954                }
5955
5956                if point.row as usize > max_row {
5957                    break;
5958                }
5959
5960                let scope = if scopes
5961                    .last()
5962                    .is_none_or(|scope| !scope.contains(&active_debug_line_offset))
5963                {
5964                    VariableScope::Global
5965                } else {
5966                    VariableScope::Local
5967                };
5968
5969                if variable_position.insert(capture_range.end) {
5970                    variables.push(InlineValueLocation {
5971                        variable_name,
5972                        scope,
5973                        lookup: VariableLookupKind::Variable,
5974                        row: point.row as usize,
5975                        column: point.column as usize,
5976                    });
5977                }
5978            }
5979            language::DebuggerTextObject::Scope => {
5980                while scopes.last().map_or_else(
5981                    || false,
5982                    |scope: &Range<usize>| {
5983                        !(scope.contains(&capture_range.start)
5984                            && scope.contains(&capture_range.end))
5985                    },
5986                ) {
5987                    scopes.pop();
5988                }
5989                scopes.push(capture_range);
5990            }
5991        }
5992    }
5993
5994    variables
5995}